CN117388366B - Laser positioning device for power transmission line detection - Google Patents
Laser positioning device for power transmission line detection Download PDFInfo
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- CN117388366B CN117388366B CN202311685825.7A CN202311685825A CN117388366B CN 117388366 B CN117388366 B CN 117388366B CN 202311685825 A CN202311685825 A CN 202311685825A CN 117388366 B CN117388366 B CN 117388366B
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N29/00—Investigating or analysing materials by the use of ultrasonic, sonic or infrasonic waves; Visualisation of the interior of objects by transmitting ultrasonic or sonic waves through the object
- G01N29/04—Analysing solids
- G01N29/045—Analysing solids by imparting shocks to the workpiece and detecting the vibrations or the acoustic waves caused by the shocks
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B5/00—Cleaning by methods involving the use of air flow or gas flow
- B08B5/02—Cleaning by the force of jets, e.g. blowing-out cavities
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N29/00—Investigating or analysing materials by the use of ultrasonic, sonic or infrasonic waves; Visualisation of the interior of objects by transmitting ultrasonic or sonic waves through the object
- G01N29/04—Analysing solids
- G01N29/12—Analysing solids by measuring frequency or resonance of acoustic waves
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N29/00—Investigating or analysing materials by the use of ultrasonic, sonic or infrasonic waves; Visualisation of the interior of objects by transmitting ultrasonic or sonic waves through the object
- G01N29/22—Details, e.g. general constructional or apparatus details
- G01N29/223—Supports, positioning or alignment in fixed situation
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2291/00—Indexing codes associated with group G01N29/00
- G01N2291/01—Indexing codes associated with the measuring variable
- G01N2291/014—Resonance or resonant frequency
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2291/00—Indexing codes associated with group G01N29/00
- G01N2291/02—Indexing codes associated with the analysed material
- G01N2291/023—Solids
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2291/00—Indexing codes associated with group G01N29/00
- G01N2291/26—Scanned objects
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Abstract
The invention discloses a laser positioning device for detecting a power transmission line, which relates to the technical field of power transmission line detection equipment and comprises an adjusting component, a supporting component, a detection positioning component and a supporting leg component, wherein a push plate is arranged at the top of a moving block, a sleeve plate is sleeved at the top of the push plate, a plate frame is arranged on the upper surface of the supporting plate, a flat plate is arranged on the side surface of the plate frame, and a shrinkage air bag is arranged between the plate frame and the sleeve plate; according to the invention, when the shrinkage air bag is expanded, the air pressure of the shrinkage air bag is increased, the air pressure in the shrinkage air bag can be released through the light source spray head and the bottom spray head, so that the bottom spray head can clean bottom dust of the wave collector, when the dust removal air bag is shrunk, the air pressure in the dust removal air bag is increased, and the air pressure is sprayed out from the top spray head, so that the top dust of the wave collector can be cleaned, normal receiving signals of the wave collector can be ensured, and the accuracy of the device can be increased.
Description
Technical Field
The invention relates to the technical field of transmission line detection equipment, in particular to a laser positioning device for transmission line detection.
Background
Faults such as flashover, grounding or porcelain insulator explosion and the like often occur to the high-voltage distribution network and the power transmission and transformation equipment due to insulator degradation, production and personal safety are affected, insulator faults are found and removed in time, and the high-voltage distribution network and the power transmission and transformation equipment have great importance for safe and continuous operation of a high-voltage power transmission and transformation line, and no positioning device capable of specially aiming at the accurate positions of the insulator faults in power plants and transformer substation power transmission lines exists at present. The detection methods commonly used at present are as follows: 1. a spark fork method; 2. a pellet discharge method; 4. an insulation resistance method; 5. there is also a laser doppler vibration method; the laser Doppler vibration method has higher application frequency, and utilizes the characteristic that the vibration center frequency of a cracked insulator is different from that of a normal insulator, uses external force such as ultrasonic waves generated by knocking an iron tower or an ultrasonic generator to align the tested insulator with a parabolic reflector or align the tested insulator with a laser source so as to excite micro vibration of the insulator, then aligns laser emitted by a laser Doppler instrument with the tested insulator, and obtains the vibration center frequency value of the insulator according to analysis of the frequency spectrum of a reflected signal, thereby judging whether the insulator is good or bad. However, the device has the defects of ineffective detection of the insulator which is not cracked, large and heavy volume, complex use and maintenance, high manufacturing cost and the like, so that the application range of the device is limited. The invention of a comparison document CN116465913A relates to the technical field of transmission line detection, and discloses X-ray detection equipment for transmission line detection, which solves the problems that when a worker is required to hold an X-ray detection device to rotate around a transmission line, the worker is required to hold the X-ray detection device to move in an intermittent horizontal direction, and actual operation is inconvenient; the invention has the advantages of poor measurement effect and inconvenient use.
This detection device is convenient to use, and sensitivity is high, but in order to make things convenient for the location of wave collector when placing, set up the round hole that is used for placing the gun sight on the wave collector, the seting up of round hole can produce the destruction to a certain extent to the arc structure of wave collector, has produced certain influence to the signal acquisition effect of wave collector, moreover, in the testing process, the hand-held device is difficult to guarantee the stability of device, can also influence the acquisition effect of signal.
Meanwhile, dust is easy to generate on the surface of an emission port of the light source when the light source is used for a long time, and the dust is accumulated to influence the emission of emitted light waves and the collection and acquisition of signals; the irradiation position of the solar rays is changed along with long-time detection, the irradiation angle of the solar rays is sometimes large, the irradiation angle is sometimes small, the solar rays are easy to dazzle when positioned under sunlight, the cable is positioned in a fuzzy way, and the precision efficiency is reduced; when the angle of the laser positioning device is adjusted, shaking can occur, positioning is not accurate enough, and accurate efficiency is further reduced.
Therefore, it is necessary to invent a laser positioning device for transmission line detection to solve the above problems.
Disclosure of Invention
The invention aims to provide a laser positioning device for detecting a power transmission line, so as to solve the problems in the background technology.
In order to achieve the above purpose, the present invention provides the following technical solutions: the laser positioning device for detecting the power transmission line comprises an adjusting component, a supporting component, a detecting and positioning component and a supporting leg component, wherein the supporting component is arranged at the top end of the adjusting component, the detecting and positioning component is arranged at the top end of the supporting component, and the supporting leg component is arranged at the bottom end of the adjusting component;
the supporting assembly comprises a supporting plate and an adjusting stud, the surface of the adjusting stud is in threaded connection with a moving block, the top of the moving block is provided with a pushing plate, the top of the pushing plate is sleeved with a sleeve plate, the upper surface of the supporting plate is provided with a plate frame, the side surface of the plate frame is provided with a flat plate, and a contraction air bag is arranged between the plate frame and the sleeve plate;
the detection positioning assembly comprises a wave collector, the wave collector is arranged above the supporting plate, a laser source is arranged on one side of the wave collector, a high-frequency sensor is arranged at one end of the laser source, and the high-frequency sensor corresponds to the wave collector;
the middle part of the laser source is fixedly provided with a support frame, one side of the top of the support frame is provided with a light source spray head, the other side of the bottom of the support frame is provided with a bottom spray head, and the top of the front face of the wave collector is provided with a top spray head;
A shading cover is arranged at the top of the back of the wave collector, and a telescopic rod is arranged at one side of the shading cover;
the landing leg assembly comprises supporting feet, and dust removal air bags and adjusting air bags are respectively arranged on the inner sides of the supporting feet.
Preferentially, the supporting plate is fixedly arranged at the top end of the supporting cover, the middle part of the lower surface of the supporting plate is fixedly connected with the top end of the supporting column, one end of the upper surface of the supporting plate is movably provided with the supporting arm through the pin shaft, the top end of the supporting arm is fixedly provided with the supporting seat, one end of the supporting seat is movably provided with the movable arm through the pin shaft, the bottom end of the movable arm is movably provided with the sliding seat through the pin shaft, the middle part of the sliding seat is provided with a threaded groove in a penetrating way, the inside of the threaded groove is provided with an adjusting stud in a penetrating way, and the adjusting stud is arranged above the supporting plate;
the bottom of the movable arm is provided with a sliding groove, the inside of the sliding groove is connected with a sliding block in a sliding mode, and the bottom of the sliding block is movably connected with a sleeve plate.
Preferentially, the support frame is fixed to be set up in the upper surface of supporting seat, the fixed column that is provided with in trailing flank middle part of wave collector, the fixed plate that is provided with of one end of fixed column, and the fixed plate is fixed to be set up in the upper surface of supporting seat, the trailing flank middle part of fixed plate is provided with the display screen, and the display screen is corresponding with the wave collector.
Preferentially, an observation hole is formed in the top end of the outer side face of the wave collector in a penetrating mode, a mounting plate with an annular structure is arranged on the rear side face of the wave collector, a round groove is formed in the top end of the outer side face of the mounting plate in a penetrating mode, the round groove corresponds to the observation hole, a sighting telescope is fixedly arranged at a notch of the round groove, and the sighting telescope corresponds to the observation hole;
the top at the wave collector back is provided with the loose axle, one side of loose axle is provided with the fulcrum, the tip of fulcrum is provided with the telescopic link, the inside swing joint of loose axle has the shading lid, the piston end and the bottom swing joint of shading lid of telescopic link.
Preferentially, the inside of mounting panel is provided with annular seat, and is provided with a plurality of connecting plates between annular seat and the mounting panel, annular seat cover sets up in the outside of fixed column, the lateral surface top of mounting panel runs through and is provided with fixed cover, the inside one end of fixed cover is provided with the compensation plate, and the compensation plate is corresponding with the observation hole.
Preferentially, a pull rod is fixedly arranged in the middle of the rear side surface of the compensation plate, penetrates through the middle of the fixed sleeve and extends to the outer side of the fixed sleeve, and a top spring is arranged on the outer side of the pull rod in a surrounding mode;
The port of the shrinkage gasbag is provided with a bifurcation trachea, one end of the bifurcation trachea is connected with the port of the light source nozzle, and the other end of the bifurcation trachea is connected with the port of the bottom nozzle.
Preferentially, the adjusting component comprises a supporting cover of an annular structure, a supporting column is arranged in the supporting cover, a connecting seat is arranged below the supporting cover, and the middle of the upper surface of the connecting seat is movably connected with the bottom end of the supporting column through a bearing.
Preferentially, an annular plate is arranged on the upper surface of the connecting seat, the top end of the annular plate is movably connected with the bottom end of the supporting cover through a bearing, and graduation lines are arranged on the outer side of the annular plate in a surrounding mode;
the annular plate is characterized in that a ring gear is fixedly arranged at the bottom end of the inner side of the annular plate, an adjusting gear is arranged above the ring gear, a rotating rod is fixedly arranged in the middle of the adjusting gear, and the rotating rod penetrates through the middle of the outer side of the supporting cover through a bearing.
Preferentially, the landing leg subassembly includes the movable seat, the movable seat sets up in the below of supporting cover, and the outside of movable seat encircles and be provided with a plurality of stabilizer blades, the outside of movable seat is provided with a plurality of support arms through the round pin axle activity, and the one end of support arm sets up in the inboard of stabilizer blade through the round pin axle activity, the middle part of movable seat runs through the screw thread and is provided with adjusting screw, and adjusting screw's top passes through the bearing activity and sets up in the lower surface middle part of connecting seat.
Preferentially, the middle part of the bottom end of the supporting leg is provided with a threaded sleeve in a penetrating way through a bearing, the inside of the threaded sleeve is provided with a supporting stud in a penetrating way, the bottom end of the supporting stud is provided with a conical structure, the middle part of the supporting leg is provided with a bar-shaped groove in a penetrating way, the middle part of the bar-shaped groove is provided with a positioning rod in a penetrating way, and the positioning rod is fixedly arranged at the top end of the supporting stud;
the dust removing air bags and the adjusting air bags are positioned on two sides of the supporting studs, two supporting plates are arranged on the inner sides of the supporting legs, the dust removing air bags and the adjusting air bags are respectively arranged on the upper surfaces of the supporting plates, the dust removing air bags and the adjusting air bags are respectively arranged at the bottoms of the positioning rods, dust removing air pipes are arranged at the ports of the dust removing air bags, the dust removing air pipes are connected with the ports of the top spray heads, adjusting air pipes are arranged at the ports of the adjusting air bags, and the adjusting air pipes are connected with the ports of the telescopic rods.
The invention has the technical effects and advantages that:
1. according to the invention, the supporting component is arranged above the adjusting component, the detecting and positioning component is arranged above the supporting component, the detecting and positioning component can detect accessories such as insulators in a power transmission line through the wave collector, the laser source and the high-frequency sensor, the observation hole is formed in the wave collector, the mounting plate is arranged at the rear side of the wave collector, the compensation plate corresponding to the observation hole is arranged on the mounting plate, when the device is placed, the observation hole can be used for placing an auxiliary device, and after the device is placed, the compensation plate can seal the observation hole so as to ensure the structural integrity of the wave collector, and therefore, the signal collection effect of the wave collector is ensured.
2. According to the invention, the angle of the supporting component and the angle of the detecting and positioning component can be adjusted by arranging the adjusting component and the supporting component, so that the angle adjustment of the detecting and positioning component after being placed can be realized, and the inclination angle of the detecting and positioning component can be adjusted by the supporting component, and the supporting component is matched with the adjusting component, so that the position of the detecting and positioning component can be adjusted to be fixed, the stability of the device in the detecting process is ensured, and the signal collecting effect of the device is further ensured.
3. According to the invention, the supporting leg assembly is arranged, the supporting leg assembly can realize the support of the device, and comprises a plurality of supporting legs, the bottom end of each supporting leg is provided with the supporting stud, each supporting stud can be adjusted, and when the device is placed on uneven ground, the device can be quickly leveled by respectively adjusting each supporting stud, so that the stability of the device in use is ensured.
4. According to the invention, when the shrinkage air bag is compressed, the air pressure of the shrinkage air bag is increased, the air pressure in the shrinkage air bag can be released through the light source spray head and the bottom spray head, so that the bottom spray head can clean dust at the bottom of the wave collector, when the dust removal air bag is shrunk, the air pressure in the dust removal air bag is increased, and the air pressure is sprayed out from the top spray head, so that the dust at the top of the wave collector can be cleaned, the normal receiving signal of the wave collector is ensured, and the accuracy of the laser positioning device can be increased.
5. According to the invention, when the shrinkage air bag is compressed, the air pressure in the shrinkage air bag is increased, so that the flat plate has supporting force on the shrinkage air bag, the shrinkage air bag can carry out air support on the supporting seat, and when the laser positioning device is adjusted, the shrinkage air bag can carry out shock absorption treatment on the supporting seat in order to avoid shaking, so that the accuracy of the laser positioning device on positioning the power transmission wire can be improved.
6. When the threaded sleeve rotates to enable the support stud to extend, the laser positioning device is enabled to be high, the adjusting air bag is enabled to shrink, the air pressure in the adjusting air bag is enabled to be increased, the angle of the shading cover is enabled to turn left, when the threaded sleeve rotates to enable the support stud to retract, the laser positioning device is enabled to be low, the adjusting air bag is enabled to be elongated, negative pressure is generated in the adjusting air bag, the telescopic rod is enabled to shrink, therefore the angle of the shading cover is enabled to turn right, sun rays can be effectively shaded, blurring is avoided when observation is carried out through the sighting telescope, and the authenticity of detection of the power transmission electric wire is reduced.
Drawings
For a clearer description of the technical solutions of the present invention, the drawings that are needed in the description will be briefly introduced below, it being obvious that the drawings in the description below are only some of the present invention, and that other drawings can be obtained according to these drawings without inventive effort for a person skilled in the art;
FIG. 1 is a schematic diagram of the overall structure of the present invention;
FIG. 2 is a schematic view of a supporting assembly and a detecting and positioning assembly according to the present invention;
FIG. 3 is a schematic side view of a support assembly and a detection positioning assembly according to the present invention;
FIG. 4 is a schematic diagram of a detecting and positioning assembly according to the present invention;
FIG. 5 is a schematic view of a wave collector according to the present invention;
FIG. 6 is a schematic view of a mounting plate according to the present invention;
FIG. 7 is a schematic cross-sectional view of a test positioning assembly of the present invention;
FIG. 8 is a schematic view of a leg assembly of the present invention;
FIG. 9 is a schematic view of a support housing structure according to the present invention;
FIG. 10 is a schematic view of a connector structure according to the present invention;
FIG. 11 is a schematic cross-sectional view of the support assembly and the detecting and positioning assembly according to the present invention;
FIG. 12 is an enlarged schematic view of the structure of FIG. 11A in accordance with the present invention;
FIG. 13 is a schematic view of the partial structure of FIG. 11 in accordance with the present invention;
FIG. 14 is a schematic view of the dust removing air bag and regulating air bag structure of the present invention;
in the figure: 1. an adjustment assembly; 2. a support assembly; 3. detecting a positioning component; 4. a leg assembly; 101. a support cover; 102. a support column; 103. a connecting seat; 104. an annular plate; 105. scale marks; 106. a ring gear; 107. an adjusting gear; 108. a rotating rod; 201. a support plate; 202. a support arm; 203. a support base; 204. a movable arm; 205. a slide; 206. a thread groove; 207. adjusting the stud; 208. a moving block; 209. a push plate; 210. a sleeve plate; 211. a plate frame; 212. a flat plate; 213. deflating the balloon; 214. a chute; 215. a sliding block; 301. a wave collector; 302. a laser source; 303. a high frequency sensor; 304. a support frame; 305. fixing the column; 306. a fixing plate; 307. a display screen; 308. an observation hole; 309. a mounting plate; 310. a circular groove; 311. a sighting telescope; 312. an annular seat; 313. a connecting plate; 314. a fixed sleeve; 315. a compensation plate; 316. a pull rod; 317. a top spring; 318. a light source nozzle; 319. a bottom nozzle; 320. a top shower head; 321. a light shielding cover; 322. a telescopic rod; 323. a bifurcated tracheal tube; 324. a movable shaft; 325. a support shaft; 401. a movable seat; 402. a support leg; 403. a support arm; 404. adjusting a screw; 405. a thread sleeve; 406. supporting the stud; 407. a bar-shaped groove; 408. a positioning rod; 409. a dust removal air bag; 410. adjusting the air bag; 411. a support plate; 412. a dust removal air pipe; 413. the trachea is regulated.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Example 1
The invention provides a laser positioning device for power transmission line detection, which is shown in fig. 1 to 10, and comprises an adjusting component 1, a supporting component 2, a detection positioning component 3 and a supporting leg component 4, wherein the supporting component 2 is arranged at the top end of the adjusting component 1, the detection positioning component 3 is arranged at the top end of the supporting component 2, and the supporting leg component 4 is arranged at the bottom end of the adjusting component 1.
The adjusting component 1 comprises a supporting cover 101 with an annular structure, a supporting column 102 is arranged in the supporting cover 101, a connecting seat 103 is arranged below the supporting cover 101, and the middle of the upper surface of the connecting seat 103 is movably connected with the bottom end of the supporting column 102 through a bearing.
Specifically, the upper surface of connecting seat 103 is provided with annular plate 104, and the top of annular plate 104 passes through the bottom swing joint of bearing and support cover 101, and the outside of annular plate 104 is encircled and is provided with scale mark 105.
More specifically, a ring gear 106 is fixedly arranged at the bottom end of the inner side of the ring plate 104, an adjusting gear 107 is arranged above the ring gear 106, a rotating rod 108 is fixedly arranged in the middle of the adjusting gear 107, the rotating rod 108 penetrates through the middle of the outer side of the supporting cover 101 through a bearing, a damping bearing is arranged between the rotating rod 108 and the supporting cover 101, the damping bearing can drive the adjusting gear 107 to rotate, and the position can be kept locked when no external force is applied.
The support assembly 2 includes a support plate 201, the support plate 201 is fixedly disposed at the top end of the support cover 101, and the middle part of the lower surface of the support plate 201 is fixedly connected with the top end of the support column 102.
Specifically, a supporting arm 202 is movably arranged at one end of the upper surface of the supporting plate 201 through a pin shaft, a supporting seat 203 is fixedly arranged at the top end of the supporting arm 202, a movable arm 204 is movably arranged at one end of the supporting seat 203 through the pin shaft, a sliding seat 205 is movably arranged at the bottom end of the movable arm 204 through the pin shaft, a threaded groove 206 is formed in the middle of the sliding seat 205 in a penetrating manner, an adjusting stud 207 is arranged in the threaded groove 206 in a penetrating manner, the adjusting stud 207 is arranged above the supporting plate 201, and a hand wheel is arranged at one end of the adjusting stud 207 so as to facilitate operation of a user.
The detection positioning assembly 3 comprises a wave collector 301, the wave collector 301 is arranged above the supporting plate 201, a laser source 302 is arranged on one side of the wave collector 301, a high-frequency sensor 303 is arranged at one end of the laser source 302, the high-frequency sensor 303 corresponds to the wave collector 301, the laser source 302 can emit laser to align to a detected position of a transmission line through a laser Doppler instrument, and vibration center frequency values of the position can be obtained according to spectral analysis of reflected signals, so that the quality of the position can be judged, the wave collector 301 is used for collecting the reflected signals, and the high-frequency sensor 303 is used for processing and analyzing the signals collected by the wave collector 301.
Specifically, the middle part of the laser source 302 is fixedly provided with a support frame 304, the support frame 304 is fixedly arranged on the upper surface of the support seat 203, the middle part of the rear side surface of the wave collector 301 is fixedly provided with a fixing column 305, one end of the fixing column 305 is fixedly provided with a fixing plate 306, the fixing plate 306 is fixedly arranged on the upper surface of the support seat 203, the middle part of the rear side surface of the fixing plate 306 is provided with a display screen 307, and the display screen 307 corresponds to the wave collector 301.
More specifically, an observation hole 308 is formed in the top end of the outer side surface of the wave collector 301, a mounting plate 309 with an annular structure is arranged on the rear side surface of the wave collector 301, a circular groove 310 is formed in the top end of the outer side surface of the mounting plate 309 in a penetrating manner, the circular groove 310 corresponds to the observation hole 308, a sighting telescope 311 is fixedly arranged at a notch of the circular groove 310, and the sighting telescope 311 corresponds to the observation hole 308.
And, the inside of mounting panel 309 is provided with annular seat 312, and is provided with a plurality of connecting plates 313 between annular seat 312 and the mounting panel 309, and annular seat 312 cup joints and sets up in the outside of fixed column 305, and the lateral surface top of mounting panel 309 runs through and is provided with fixed cover 314, and the inside one end of fixed cover 314 is provided with compensation plate 315, and compensation plate 315 corresponds with observation hole 308, and compensation plate 315 is used for shutoff observation hole 308 to guarantee the wholeness of wave collector 301 structure.
Moreover, a pull rod 316 is fixedly arranged in the middle of the rear side surface of the compensation plate 315, the pull rod 316 penetrates through the middle of the fixing sleeve 314 and extends to the outer side of the fixing sleeve 314, a top spring 317 is arranged on the outer side of the pull rod 316 in a surrounding mode, the top spring 317 can generate thrust to the compensation plate 315 so that the compensation plate 315 can be inserted into the observation hole 308, and the pull rod 316 can pull the compensation plate 315 outwards so that the compensation plate 315 is separated from the observation hole 308.
The leg assembly 4 includes a movable seat 401, the movable seat 401 is disposed below the supporting cover 101, and a plurality of legs 402 are disposed around the outer side of the movable seat 401.
Specifically, a plurality of support arms 403 are movably arranged on the outer side of the movable seat 401 through a pin shaft, one end of each support arm 403 is movably arranged on the inner side of each support leg 402 through a pin shaft, an adjusting screw 404 is arranged in the middle of the movable seat 401 in a penetrating manner through threads, the top end of each adjusting screw 404 is movably arranged on the middle of the lower surface of the corresponding connecting seat 103 through a bearing, when the adjusting screw 404 is rotated, the adjusting screw 404 is in threaded fit with the movable seat 401, so that the movable seat 401 moves up and down, and the movable seat 401 can drive the corresponding support legs 402 to move through the support arms 403, so that the opening and closing of the corresponding support legs 402 are adjusted.
More specifically, the middle part of the bottom end of the supporting leg 402 is provided with a threaded sleeve 405 in a penetrating manner through a bearing, the inside of the threaded sleeve 405 is provided with a supporting stud 406 in a penetrating manner, when the threaded sleeve 405 rotates, the supporting stud 406 can slide up and down, the bottom end of the supporting stud 406 is provided with a conical structure, the middle part of the supporting leg 402 is provided with a strip-shaped groove 407 in a penetrating manner, the middle part of the strip-shaped groove 407 is provided with a positioning rod 408 in a penetrating manner, the positioning rod 408 is fixedly arranged at the top end of the supporting stud 406, and the positioning rod 408 can slide in the strip-shaped groove 407 to ensure that the supporting stud 406 can only slide up and down and cannot rotate.
To sum up, when the device is used, the supporting leg assembly 4 is unfolded firstly, the device is placed near a position where the transmission line needs to be detected, then the direction and the inclination angle of the detection positioning assembly 3 are adjusted through the adjusting assembly 1 and the supporting assembly 2, and then accessories of the transmission line are detected through the detection positioning assembly 3.
When the detection positioning assembly 3 detects a power transmission line, firstly, the mounting plate 309 is rotated, so that the sighting telescope 311 on the mounting plate 309 is overlapped with the observation hole 308 on the wave collector 301, the position aimed by the device is determined through the sighting telescope 311, then the detection positioning assembly 3 is adjusted through the adjusting assembly 1 and the supporting assembly 2 to ensure the alignment detection position, then the mounting plate 309 is rotated, the mounting plate 309 drives the fixed sleeve 314 to move until the fixed sleeve 314 is overlapped with the observation hole 308, at the moment, the compensation plate 315 seals the observation hole 308 under the action of the top spring 317, at the moment, the compensation plate 315 supplements the missing part of the wave collector 301 to ensure the signal acquisition effect of the wave collector 301, the laser is emitted through the laser source 302, the reflected signal is acquired through the wave collector 301, the signal acquired by the high-frequency sensor 303 is collected and separated, and analysis data is transmitted to the display screen 307 to realize the detection of the fault position of the power transmission line.
When the angle of the detection positioning component 3 is adjusted, the adjusting component 1 rotates the rotating rod 108, so that the rotating rod 108 drives the adjusting gear 107 to rotate, the adjusting gear 107 is matched with the ring gear 106, the adjusting gear 107 and the ring gear 106 relatively move, and the adjusting gear 107 can drive the supporting cover 101 to rotate, so that the angle of the detection positioning component 3 is adjusted.
When the inclination angle of the detection positioning assembly 3 is adjusted by the support assembly 2, the adjustment stud 207 is rotated to be matched with the threaded groove 206, so that the sliding seat 205 horizontally slides, the sliding seat 205 can drive the movable arm 204 to move, the movable arm 204 can drive the support seat 203 to move, and the support seat 203 can drive the support arm 202 to rotate around the pin shaft, so that the inclination angle of the detection positioning assembly 3 is adjusted.
Example 2
Referring to fig. 10 to 14, in the practical use process of the laser positioning device for power transmission line detection according to the first embodiment, dust is generated on the surfaces of the laser source 302 and the wave collector 301 during long-term use, the emission light source of the laser source 302 is affected, the collection signal of the wave collector 301 is also affected, along with long-term detection, the irradiation angle of the sun ray and the ground changes along with the time, the irradiation position of the sun ray changes, the light shielding cover 321 cannot completely shield the sighting telescope 311, the positioning of the power transmission line is fuzzy, the precision efficiency is reduced, and when the angle of adjustment is performed by the laser positioning device, shaking occurs, the positioning is not accurate enough, and the precision efficiency is further reduced.
Specifically, the support assembly 2 includes a support plate 201 and an adjusting stud 207, the surface of the adjusting stud 207 is in threaded connection with a moving block 208, a push plate 209 is arranged at the top of the moving block 208, a sleeve plate 210 is sleeved at the top of the push plate 209, a plate frame 211 is arranged on the upper surface of the support plate 201, a flat plate 212 is arranged on the side surface of the plate frame 211, and a shrinkage airbag 213 is arranged between the plate frame 211 and the sleeve plate 210.
Specifically, a sliding groove 214 is formed in the bottom of the movable arm 204, a sliding block 215 is slidably connected in the sliding groove 214, and a sleeve plate 210 is movably connected to the bottom of the sliding block 215.
Specifically, the port of the deflating balloon 213 is provided with a bifurcated air tube 323, one end of the bifurcated air tube 323 is connected with the port of the light source nozzle 318, and the other end of the bifurcated air tube 323 is connected with the port of the bottom nozzle 319.
More specifically, when the adjusting stud 207 rotates, the moving block 208 is moved on the adjusting stud 207, so that the moving block 208 is fixed with the push plate 209, so that the moving block 208 can drive the push plate 209 to move, the top of the push plate 209 slides with the sleeve plate 210, the sleeve plate 210 can slide on the push plate 209, the inner side of the movable arm 204 is provided with the sliding groove 214, the sleeve plate 210 can drive the sliding block 215 to slide in the sliding groove 214, the height of the sleeve plate 210 can be adjusted, the other end of the adjusting stud 207 is fixed with the plate frame 211 through the bearing, the shrinkage airbag 213 is fixed between the plate frame 211 and the sleeve plate 210, along with the rotation of the adjusting stud 207, the moving block 208 can be moved while the shrinkage airbag 213 can be shrunk or expanded, the shrinkage airbag 213 is communicated with the bifurcation gas pipe 323, the bifurcation gas pipe 323 is communicated with the light source spray head 318 and the bottom spray head 319, the plate frame 211 is fixed with the plate 212, and the shrinkage airbag 213 is supported by the plate 211.
Specifically, a light source nozzle 318 is disposed on one side of the top of the support frame 304, a bottom nozzle 319 is disposed on the other side of the bottom of the support frame 304, and a top nozzle 320 is disposed on the top of the front face of the wave collector 301.
Specifically, the top at the wave collector 301 back is provided with the shielding lid 321, one side of shielding lid 321 is provided with telescopic link 322, the top at wave collector 301 back is provided with loose axle 324, one side of loose axle 324 is provided with fulcrum 325, the tip of fulcrum 325 is provided with telescopic link 322, the inside swing joint of loose axle 324 has shielding lid 321, the piston end of telescopic link 322 and the bottom swing joint of shielding lid 321, the inboard of stabilizer blade 402 is provided with dust removal gasbag 409 and regulation gasbag 410 respectively, the top of bar slot 407 inner wall is provided with distance sensor.
More specifically, the dust removing air bag 409 and the adjusting air bag 410 are fixed on the inner side of the support leg 402, the support plate 411 is fixed with the dust removing air bag 409, the other support plate 411 is fixed with the adjusting air bag 410, the dust removing air bag 409 and the adjusting air bag 410 are fixed at the bottom of the positioning rod 408, the port of the dust removing air bag 409 is communicated with the port of the top nozzle 320 through the dust removing air pipe 412, and the port of the adjusting air bag 410 is communicated with the port of the telescopic rod 322 through the adjusting air pipe 413; dust removal gasbag 409 and regulation gasbag 410 are located the both sides of support stud 406, the inboard of stabilizer blade 402 is provided with two extension boards 411, the upper surface of two extension boards 411 is provided with dust removal gasbag 409 and regulation gasbag 410 respectively, dust removal gasbag 409 and regulation gasbag 410 set up in the bottom of locating lever 408 respectively, the top of bar groove 407 inner wall is fixed with distance sensor, can detect locating lever 408 and distance sensor's distance, dust removal gasbag 409's port is provided with dust removal trachea 412, dust removal trachea 412 is connected with top shower nozzle 320's port, regulation gasbag 410's port is provided with regulation trachea 413, make loose axle 324 and fulcrum 325 be fixed, make fulcrum 325 and telescopic link 322 be fixed, regulation trachea 413 is connected with telescopic link 322's port, can make light-shielding lid 321 carry out the angle upset through telescopic link 322's flexible.
The invention is specifically used as follows:
first, with long-time detection, the sun ray irradiation angle changes with time, and the sun ray irradiation position changes, so that the scope 311 cannot be completely shielded by the shielding cover 321.
When the laser device is turned up, the corresponding shading cover 321 is turned up, so that the positioning accuracy is reduced in order to avoid dazzling caused by irradiation of sunlight; the support stud 406 is extended by rotating the threaded sleeve 405, the support stud 406 can be extended in the support leg 402, the positioning rod 408 slides in the strip-shaped groove 407, the support leg 402 is lifted upwards, the distance sensor can detect the sliding distance of the positioning rod 408, the laser positioning device is lifted while sliding, the shading cover 321 is lifted along with lifting, the adjusting air bag 410 is contracted in addition, the air pressure in the adjusting air bag 410 is increased, the air in the adjusting air bag 410 enters the telescopic rod 322 through the adjusting air pipe 413, the piston end of the telescopic rod 322 is extended, the angle of the shading cover 321 is turned left, the laser positioning device is adjusted to be high, sun rays can be effectively shaded while the sun rays are effectively shielded, blurring is avoided when the sighting telescope 311 is used for observation, and the accuracy of positioning the power transmission wires is improved.
When the laser positioning device is regulated down, the corresponding shading cover 321 is regulated down, so that the accurate positioning of the laser positioning device on the power transmission wire is influenced in order to avoid the shading cover 321 from visually shielding the sighting telescope 311; the screw sleeve 405 rotates to retract the support stud 406, so that the support stud 406 can retract in the support leg 402, the positioning rod 408 can slide upwards in the strip-shaped groove 407, the distance sensor can detect the increase of the sliding distance of the positioning rod 408, the laser positioning device is lowered while sliding, the adjusting air bag 410 is lengthened, negative pressure is generated in the adjusting air bag 410, the air in the telescopic rod 322 enters the adjusting air bag 410 through the adjusting air pipe 413, the telescopic rod 322 is contracted, the angle of the shading cover 321 is turned right, the laser positioning device can effectively shade sunlight while being regulated down, blurring is avoided when observation is performed through the sighting telescope 311, and the accuracy of positioning the power transmission wires is improved.
Secondly, when the laser positioning device is heightened, the top of the wave collector 301 can be dedusted, and the normal signal receiving of the wave collector 301 is ensured.
The long-time use of the laser positioning device can cause the surface of the wave collector 301 to generate more dust, especially the dust at the top of the wave collector 301, and the dust is not cleaned timely, so that the detection accuracy of the wave collector 301 can be affected; the support stud 406 is extended by rotating the threaded sleeve 405, the support stud 406 can extend in the support leg 402, the positioning rod 408 slides in the strip-shaped groove 407, the support leg 402 is lifted upwards, the distance sensor can detect the sliding distance of the positioning rod 408, the laser positioning device is lifted while sliding, the light shielding cover 321 is lifted along with the lifting, the dust removing air bag 409 can be contracted, the air pressure in the dust removing air bag 409 is increased, the air in the dust removing air bag 409 enters the top nozzle 320 through the dust removing air pipe 412 and is sprayed out from the top nozzle 320, dust at the top of the wave collector 301 can be cleaned, the normal receiving signal of the wave collector 301 is ensured, and the accuracy of detection of a power transmission line is improved.
Secondly, when the laser positioning device is heightened, the wave collector 301, the laser source 302 and the high-frequency sensor 303 are also heightened, so that the accurate positioning of the power transmission cable can be affected, and the detection accuracy is reduced.
When the laser positioning device is heightened, the distance sensor can detect that the sliding distance of the positioning rod 408 is increased, so that the alignment angles of the wave collector 301 and the laser source 302 to the power transmission wire are misplaced, and the detection accuracy is affected; the user rotates and adjusts stud 207 and rotates for adjust stud 207 drives slide 205 and moves left, when removing, make slide 205 drive the movable arm 204 and support the right side tip of supporting seat 203, can make the angle of supporting seat 203 upset left, and make the angle of support frame 304 and wave collector 301 overturn left, and then make this laser positioner when adjusting high, make the angle of wave collector 301, laser source 302, high frequency sensor 303 overturn left, realize the accurate location to the transmission cable, increase the accuracy of detection.
Second, when the angles of the wave collector 301, the laser source 302, and the high-frequency sensor 303 are turned left, dust can be cleaned from the emission port of the laser source 302, and dust from the bottom of the wave collector 301 can be cleaned.
The laser positioning device can generate more dust on the surfaces of the laser source 302 and the wave collector 301 after long-time use, and the accuracy of detection can be affected due to untimely cleaning; the adjusting stud 207 is rotated to enable the shrinkage air bag 213 to be compressed, the air pressure of the shrinkage air bag 213 is increased, air in the shrinkage air bag 213 enters the bifurcation air pipe 323, the air pressure in the shrinkage air bag 213 can be released through the light source spray head 318 and the bottom spray head 319, so that dust at the emitting port of the laser source 302 is cleaned by the light source spray head 318, and dust at the signal collecting inner surface of the wave collector 301 is cleaned by the bottom spray head 319.
Finally, when the laser positioning device is heightened, and when the wave collector 301, the laser source 302 and the high-frequency sensor 303 are adjusted to overturn in angle, the whole device can shake, the accurate positioning of the power transmission wires is reduced, and the detection accuracy is ensured.
When the laser positioning device is used for positioning adjustment, the whole body can shake, the power transmission wire is difficult to position, and accurate positioning is affected; the adjusting stud 207 is rotated to compress the shrinkage airbag 213, the air pressure of the shrinkage airbag 213 is further increased, the flat plate 212 has supporting force on the shrinkage airbag 213, the shrinkage airbag 213 can support the bottom of the supporting seat 203 through the supporting force of the flat plate 212, and when the laser positioning device is adjusted, the supporting seat 203 can be buffered and damped through the shrinkage airbag 213 in order to avoid shaking, so that the accuracy of positioning the power transmission wires by the laser positioning device can be improved.
To sum up: in the use process, when the adjusting air bag 410 is contracted, the laser positioning device is enabled to be heightened, the air pressure in the adjusting air bag 410 is increased, the angle of the shading cover 321 is enabled to turn left, otherwise, when the adjusting air bag 410 is lengthened, the laser positioning device is enabled to be lowered, the angle of the shading cover 321 is enabled to turn right, and according to different heights of the adjusting laser positioning device, solar rays can be effectively shaded; when the device is heightened, the dust removing air bag 409 is contracted, the air pressure in the dust removing air bag 409 is increased, and the dust removing air bag is ejected from the top nozzle 320, so that dust at the top of the wave collector 301 can be cleaned; the laser positioning device is heightened, meanwhile, the sliding seat 205 drives the movable arm 204 to support the right end part of the supporting seat 203, and the angles of the supporting frame 304 and the wave collector 301 are turned left, so that the positioning angle of the power transmission cable can be more accurate; when the wave collector 301 is overturned in angle, the shrinkage air bag 213 is compressed, on one hand, the air pressure in the shrinkage air bag 213 can be released through the light source spray head 318 and the bottom spray head 319, so that the light source spray head 318 cleans dust at the emitting port of the laser source 302, the bottom spray head 319 cleans the dust at the bottom of the wave collector 301, on the other hand, the shrinkage air bag 213 can play a role in damping the supporting seat 203, and when the laser positioning device is adjusted, shaking can be avoided, and the accuracy is improved.
Finally, it should be noted that: the foregoing description is only illustrative of the preferred embodiments of the present invention, and although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements or changes may be made without departing from the spirit and principles of the present invention.
Claims (7)
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| CN202311685825.7A CN117388366B (en) | 2023-12-11 | 2023-12-11 | Laser positioning device for power transmission line detection |
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