CN203333181U - Ground-touch detection device and tower crane lifting hook anti-ground-touch detection system with ground-touch detection device - Google Patents
Ground-touch detection device and tower crane lifting hook anti-ground-touch detection system with ground-touch detection device Download PDFInfo
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- CN203333181U CN203333181U CN2013203717267U CN201320371726U CN203333181U CN 203333181 U CN203333181 U CN 203333181U CN 2013203717267 U CN2013203717267 U CN 2013203717267U CN 201320371726 U CN201320371726 U CN 201320371726U CN 203333181 U CN203333181 U CN 203333181U
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Abstract
The utility model discloses a ground-touch detection device and a tower crane lifting hook anti-ground-touch detection system with the ground-touch detection device. The ground-touch detection device comprises a ground-touch sensing unit and a signal transmitting module, wherein the signal transmitting module is connected with a triggering switch for triggering the signal transmitting module to transmit a signal; the triggering switch is linked with the ground-touch sensing unit so as to transmit a ground-touch signal by controlling the signal transmitting module through the triggering switch when the ground-touch sensing unit detects a ground-touch state. According to the ground-touch detection device, as the triggering switch for triggering the signal transmitting module to transmit the signal is linked with the ground-touch sensing unit, the signal transmitting module is controlled by the triggering switch to transmit the ground-touch signal when the ground-touch sensing unit detects the ground-touch state of a lifting hook, then a simple detection method is provided for recognition on ground-touch of the lifting hook, and moreover the ground-touch detection device is not limited by the height of a working table of the lifting hook, so that universality is achieved.
Description
Technical field
The utility model relates to tower machine control field, especially, relates to a kind of detecting device that contacts to earth.In addition, the utility model also relates to a kind of anti-checking system that contacts to earth of tower machine suspension hook that comprises the above-mentioned detecting device that contacts to earth.
Background technology
When tower crane is constructed, due to the building site circumstance complication, the operator is difficult to know clearly the particular location of current suspension hook in high-altitude, usually there will be suspension hook to contact because of carelessness the situation of crane lifting service face.After suspension hook touches driving surface, be very easy to make the slippage of suspension hook steel rope to go out to hang the Slip Hook wheel, and be difficult for discovering, when lift heavy again, steel rope will produce friction with other parts through suspension hook the time, gently damage steel rope, heavy make wire cable rupture and make to lift by crane article to fall, thus cause immeasurable safety misadventure; What is more, when occurring that heavily loaded steel rope ruptures suddenly, is equivalent to tower machine arm weightless suddenly, often follows the whole hypsokinesis of tower machine to fall down to the ground, and very serious human casualty accident occurs.
In order to prevent the contact to earth generation of situation of suspension hook; means commonly used in prior art are set up lower position switch exactly on lifting mechanism, when suspension hook drops to a certain height, and the limit switch action; force the lifting mechanism electrical motor to be shut down, thus the further decline of restriction suspension hook.Installation hoists after lower limit, the generation of having stopped some accidents, but its defect be all lifting operation faces of requirement tower machine all must be equally high.Yet this situation does not exist at the construction field (site) substantially; the original most of operating modes of tower machine are all that the article of lower are hung on the building of eminence, so driving surface is many, the discrepancy in elevation is indefinite; and building ground; along with the continuous rising of building, the height of the lifting operation face of tower machine is also constantly changing, and a lower limit sill only is set can not play a protective role; so; at the tower machine of use, although the lifting mechanism lower position switch is arranged, the overwhelming majority need not at present.Obviously, the scheme that lower position switch is set on lifting mechanism can not solve the contact to earth technical matters of the steel rope slippage that causes of tower machine suspension hook well.
The utility model content
The utility model purpose is to provide a kind of detecting device that contacts to earth, and to solve existing tower machine face height, differs, and suspension hook contacts to earth and is difficult to the technical matters detected.
Another purpose of the present utility model is to provide a kind of tower machine suspension hook the anti-checking system that contacts to earth, with the contact to earth technical matters of the steel rope slippage that causes of the suspension hook that solves the tower machine.
For achieving the above object, the technical solution adopted in the utility model is as follows:
A kind of detecting device that contacts to earth, comprise contact to earth perception unit, trigger switch and signal emission module;
Contact to earth the perception unit for detection of the state of contacting to earth;
Trigger switch, and contact to earth perception unit interlock, for contacting to earth the perception unit inspection when contacting to earth state, and the control signal transmitter module transmission signal that contacts to earth;
Signal emission module, be electrically connected to trigger switch, for the transmission signal that contacts to earth.
Further, the perception unit that contacts to earth is fixedly arranged on the suspension hook of tower machine.
Further, the perception unit that contacts to earth comprises and the lanyard mechanism of trigger switch interlock, and lanyard mechanism is fixed on the suspension hook of tower machine, and lanyard mechanism is connected with the lift heavy body through tightrope, and the nadir of lift heavy body is not higher than the nadir of suspension hook.
Further, signal emission module is wireless signal transmitting module.
Further, trigger switch is mechanical switch, electromagnetic switch or photoelectric coupling switch.
According on the other hand of the present utility model, also provide a kind of tower machine suspension hook the anti-checking system that contacts to earth, comprise the above-mentioned detecting device that contacts to earth that is positioned at the suspension hook side, and
Be positioned at the signal receiving module of control cabin side;
The contact to earth signal generate on-off signal of signal receiving module for receiving that signal emission module sends.
Further, signal receiving module is connected with alarm module, the on-off signal automatic alarm that alarm module generates according to signal receiving module.
Further, signal receiving module connects the lift control system of tower machine, and the on-off signal that lift control system generates according to signal receiving module is controlled the lifting of suspension hook automatically.
Further, signal receiving module is the reception of wireless signals module.
The utlity model has following beneficial effect:
The utility model detecting device that contacts to earth, by linking for the trigger switch that touches the signal emission module transmitted signal and the perception unit that contacts to earth, while making the perception unit inspection that contacts to earth to the state that contacts to earth of suspension hook, trigger switch control signal transmitter module sends the signal that contacts to earth, thereby for contacting to earth of suspension hook of identification provides easy detection means, and this detecting device that contacts to earth is not limited to the height of the work top of suspension hook, has commonality.
The anti-checking system that contacts to earth of the utility model tower machine suspension hook, the signal receiving module that utilization is positioned at the control cabin side receives the signal that contacts to earth that signal emission module sends, the early warning signal that provides suspension hook to contact to earth for operating personal, make the faulty condition that suspension hook contacts to earth obtain prevention in advance, thereby stopped, because of the contact to earth faulty condition of the steel rope slippage that causes of suspension hook, to have improved the serviceability of tower crane.
Except purpose described above, feature and advantage, the utility model also has other purpose, feature and advantage.Below, with reference to figure, the utility model is described in further detail.
The accompanying drawing explanation
The accompanying drawing that forms the application's a part is used to provide further understanding of the present utility model, and schematic description and description of the present utility model, for explaining the utility model, does not form improper restriction of the present utility model.In the accompanying drawings:
Fig. 1 is the contact to earth principle schematic of detecting device of the utility model preferred embodiment;
Fig. 2 is the principle schematic of the anti-checking system that contacts to earth of the utility model preferred embodiment tower machine suspension hook; And
Fig. 3 is the structural representation of the anti-checking system that contacts to earth of the utility model preferred embodiment tower machine suspension hook.
The specific embodiment
Below in conjunction with accompanying drawing, embodiment of the present utility model is elaborated, but the multitude of different ways that the utility model can be defined by the claims and cover is implemented.
With reference to Fig. 1, preferred embodiment of the present utility model provides a kind of detecting device that contacts to earth, and comprises contact to earth perception unit 10 and signal emission module 30; Signal emission module 30 is connected with the trigger switch 20 of energizing signal transmitter module 30 transmitted signals, trigger switch 20 and perception unit 10 interlocks of contacting to earth, while being used for the state that contacts to earth of suspension hook being detected in the perception unit 10 that contacts to earth, control signal transmitter module 30 sends the signal that contacts to earth.The utility model embodiment is by linking with the perception unit 10 that contacts to earth for the trigger switch 20 of energizing signal transmitter module 30 transmitted signals, while making the perception unit 10 that contacts to earth the state that contacts to earth of suspension hook be detected, trigger switch 20 control signal transmitter modules 30 send the signal that contacts to earth, thereby for contacting to earth of suspension hook of identification provides easy detection means, and this detecting device that contacts to earth is not limited to the height of the work top of suspension hook, has commonality.
In the present embodiment, trigger switch 20 is preferably the source switch of the power supply supply break-make of control signal transmitter module 30, with reference to Fig. 3, the perception unit 10 that contacts to earth comprises the lanyard mechanism 11 with source switch interlock, lanyard mechanism 11 is fixed on the suspension hook 1 of tower machine, lanyard mechanism 11 is connected with lift heavy body 13 through tightrope 12, and the nadir of lift heavy body 13 is not higher than the nadir of suspension hook 1.Like this, make lift heavy body 13 have precedence over suspension hook 1 and touch work top, when lift heavy body 13 does not touch work top, lanyard mechanism 11 cuts off source switch under the Action of Gravity Field of lift heavy body 13 through tightrope 12, now, signal emission module 30 does not send the signal that contacts to earth; When lift heavy body 13 touches work top, tightrope 12 becomes relaxed state by tensioning state, and lanyard mechanism 11 resets, and with trigger switch 20 conductings of lanyard mechanism 11 interlocks, makes signal emission module 30 send the signal that contacts to earth.Preferably, in other embodiments, the perception unit 10 that contacts to earth can also be ultrasonic range finder or micro-distancer.Ultrasonic range finder and micro-distancer are all in prior art for the common instrument of measuring distance, do not repeat them here.Ultrasonic range finder or micro-distancer are fixedly arranged on suspension hook 1, and ultrasonic range finder or micro-distancer be when suspension hook 1 being detected and approaching work top, and output signal makes trigger switch 20 conductings, thereby makes signal emission module 30 send the signal that contacts to earth.Wherein, signal emission module 30 is preferably wireless signal transmitting module, for example, and infrared, Bluetooth transmission module etc.Trigger switch 20 is mechanical switch, electromagnetic switch or photoelectric coupling switch.For example, when trigger switch 20 is mechanical switch, by mechanical contact and 11 interlocks of lanyard mechanism, in like manner, trigger switch 20 can also be selected the switch of electromagnetism interlock or photoelectric coupling interlock mode.
With reference to Fig. 2 and Fig. 3, the utility model also provides a kind of tower machine suspension hook the anti-checking system that contacts to earth, and comprises the above-mentioned detecting device that contacts to earth that is positioned at suspension hook 1 side, and the signal receiving module 40 that is positioned at the control cabin side; The contact to earth signal generate on-off signal of signal receiving module 40 for receiving that signal emission module 30 sends.Like this, the signal receiving module 40 that utilization is positioned at the control cabin side receives the signal that contacts to earth that signal emission module 30 sends, the early warning signal that provides suspension hook 1 to contact to earth for operating personal, the faulty condition that makes suspension hook 1 contact to earth has obtained prevention in advance, thereby stopped, because of the contact to earth faulty condition of the steel rope slippage that causes of suspension hook, to have improved the serviceability of tower crane.
Preferably, signal receiving module 40 is connected with alarm module 50, the on-off signal automatic alarm that alarm module 50 generates according to signal receiving module 40.Alarm module 50 can detect suspension hook 1 in the perception unit 10 that contacts to earth while touching work top soon, and the on-off signal generated according to signal receiving module 40 carries out sound and light alarm.Preferably, signal receiving module 40 connects the lift control system 60 of tower machine, when alarm module 50 carries out sound and light alarm, the on-off signal that lift control system 60 generates according to signal receiving module 40 is controlled the lifting of suspension hook 1 automatically, thereby improved the intelligent level of the anti-checking system that contacts to earth, the situation of having avoided the manual operation delay to cause suspension hook 1 to touch work top occurs.
Certainly it will be understood by those skilled in the art that for contact to earth signal emission module 30 and the signal receiving module 40 of signal of transmission and can select wire communication module, also can select wireless communication module.
The foregoing is only preferred embodiment of the present utility model, be not limited to the utility model, for a person skilled in the art, the utility model can have various modifications and variations.All within spirit of the present utility model and principle, any modification of doing, be equal to replacement, improvement etc., within all should being included in protection domain of the present utility model.
Claims (10)
1. the detecting device that contacts to earth, is characterized in that, comprises the perception unit (10) that contacts to earth, trigger switch (20) and signal emission module (30);
The described perception unit (10) that contacts to earth is for detection of the state of contacting to earth;
Described trigger switch (20), with described perception unit (10) interlock of contacting to earth, while for detecting in the described perception unit (10) that contacts to earth, contacting to earth state, control described signal emission module (30) and send the signal that contacts to earth;
Described signal emission module (30), be electrically connected to described trigger switch (20), for the transmission signal that contacts to earth.
2. the detecting device that contacts to earth according to claim 1, is characterized in that,
The described perception unit (10) that contacts to earth is fixedly arranged on the suspension hook (1) of tower machine.
3. the detecting device that contacts to earth according to claim 2, is characterized in that,
The described perception unit (10) that contacts to earth comprises the lanyard mechanism (11) with described trigger switch (20) interlock, described lanyard mechanism (11) is fixed on the suspension hook (1) of tower machine, described lanyard mechanism (11) is connected with lift heavy body (13) through tightrope (12), and the nadir of described lift heavy body (13) is not higher than the nadir of described suspension hook (1).
4. the detecting device that contacts to earth according to claim 2, is characterized in that,
The described perception unit (10) that contacts to earth is for ultrasonic range finder or micro-distancer on the suspension hook (1) that is fixedly arranged on the tower machine, and described ultrasonic range finder or micro-distancer output signal trigger described trigger switch (20).
5. the detecting device that contacts to earth according to claim 1, is characterized in that,
Described signal emission module (30) is wireless signal transmitting module.
6. the detecting device that contacts to earth according to claim 1, is characterized in that,
Described trigger switch (20) is mechanical switch, electromagnetic switch or photoelectric coupling switch.
7. the anti-checking system that contacts to earth of tower machine suspension hook, is characterized in that, comprises the described detecting device that contacts to earth of aforementioned claim 1 to 6 any one that is positioned at suspension hook (1) side, and
Be positioned at the signal receiving module (40) of control cabin side;
The contact to earth signal generate on-off signal of described signal receiving module (40) for receiving that described signal emission module (30) sends.
8. the anti-checking system that contacts to earth of tower machine suspension hook according to claim 7, is characterized in that,
Described signal receiving module (40) is connected with alarm module (50), the on-off signal automatic alarm that described alarm module (50) generates according to described signal receiving module (40).
9. the anti-checking system that contacts to earth of tower machine suspension hook according to claim 7, is characterized in that,
Described signal receiving module (40) connects the lift control system (60) of tower machine, and the on-off signal that described lift control system (60) generates according to described signal receiving module (40) is controlled the lifting of described suspension hook (1) automatically.
10. the anti-checking system that contacts to earth of tower machine suspension hook according to claim 7, is characterized in that,
Described signal receiving module (40) is the reception of wireless signals module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013203717267U CN203333181U (en) | 2013-06-26 | 2013-06-26 | Ground-touch detection device and tower crane lifting hook anti-ground-touch detection system with ground-touch detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013203717267U CN203333181U (en) | 2013-06-26 | 2013-06-26 | Ground-touch detection device and tower crane lifting hook anti-ground-touch detection system with ground-touch detection device |
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| CN203333181U true CN203333181U (en) | 2013-12-11 |
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| CN2013203717267U Expired - Lifetime CN203333181U (en) | 2013-06-26 | 2013-06-26 | Ground-touch detection device and tower crane lifting hook anti-ground-touch detection system with ground-touch detection device |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108792950A (en) * | 2018-06-26 | 2018-11-13 | 合肥市春华起重机械有限公司 | A kind of crane dropping-proof hook and its control system |
| CN113682986A (en) * | 2021-09-07 | 2021-11-23 | 国网江苏省电力有限公司常州供电分公司 | Working method of intelligent machine for deep foundation pit operation |
| CN113753764A (en) * | 2021-10-11 | 2021-12-07 | 本钢板材股份有限公司 | Wireless auxiliary confirmation method and device for hanging tank of large-scale metallurgical casting crane hook |
| CN117775297A (en) * | 2023-12-26 | 2024-03-29 | 广州极飞科技股份有限公司 | Ground contact detection method for lifting drones, lifting drones and storage media |
-
2013
- 2013-06-26 CN CN2013203717267U patent/CN203333181U/en not_active Expired - Lifetime
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108792950A (en) * | 2018-06-26 | 2018-11-13 | 合肥市春华起重机械有限公司 | A kind of crane dropping-proof hook and its control system |
| CN108792950B (en) * | 2018-06-26 | 2020-08-28 | 合肥市春华起重机械有限公司 | An anti-dropping hook for a crane and its control system |
| CN113682986A (en) * | 2021-09-07 | 2021-11-23 | 国网江苏省电力有限公司常州供电分公司 | Working method of intelligent machine for deep foundation pit operation |
| CN113682986B (en) * | 2021-09-07 | 2024-03-19 | 国网江苏省电力有限公司常州供电分公司 | A working method of a smart machine for deep foundation pit operations |
| CN113753764A (en) * | 2021-10-11 | 2021-12-07 | 本钢板材股份有限公司 | Wireless auxiliary confirmation method and device for hanging tank of large-scale metallurgical casting crane hook |
| CN117775297A (en) * | 2023-12-26 | 2024-03-29 | 广州极飞科技股份有限公司 | Ground contact detection method for lifting drones, lifting drones and storage media |
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