CN106930707B - Hollow carbon fiber coiled rod connector and its automatic welding device - Google Patents
Hollow carbon fiber coiled rod connector and its automatic welding device Download PDFInfo
- Publication number
- CN106930707B CN106930707B CN201710095345.3A CN201710095345A CN106930707B CN 106930707 B CN106930707 B CN 106930707B CN 201710095345 A CN201710095345 A CN 201710095345A CN 106930707 B CN106930707 B CN 106930707B
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- Prior art keywords
- carbon fiber
- driven gear
- metal tube
- automatic welding
- welding device
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B17/00—Drilling rods or pipes; Flexible drill strings; Kellies; Drill collars; Sucker rods; Cables; Casings; Tubings
- E21B17/02—Couplings; joints
- E21B17/04—Couplings; joints between rod or the like and bit or between rod and rod or the like
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C—APPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C5/00—Apparatus in which liquid or other fluent material is projected, poured or allowed to flow on to the surface of the work
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K37/00—Auxiliary devices or processes, not specially adapted for a procedure covered by only one of the other main groups of this subclass
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K37/00—Auxiliary devices or processes, not specially adapted for a procedure covered by only one of the other main groups of this subclass
- B23K37/02—Carriages for supporting the welding or cutting element
- B23K37/0247—Driving means
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Optics & Photonics (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Mining & Mineral Resources (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Lining Or Joining Of Plastics Or The Like (AREA)
Abstract
本发明属于机械采油设备领域，尤其涉及有杆泵机械采油使用的空心碳纤维连续抽油杆接头及其自动焊接设备。所述接头包括对接的碳纤维管和金属管，金属管一体设置于金属杆端部，且金属管于其对接口处的管体外壁上焊接设有保护套筒，碳纤维管与保护套筒和金属管之间的间隙配合并粘接。相应的，所述自动焊接设备包括传送对接机构，传送对接机构包括两段对向设置的传送辊，两段传送辊之间设有喷胶机构和焊接机构。本发明提高金属管与碳纤维管粘接处的机械强度和寿命，而且制备简单并智能化，符合市场和作业环境的需求。
The invention belongs to the field of mechanical oil extraction equipment, and in particular relates to a hollow carbon fiber continuous sucker rod joint used for mechanical oil extraction with a rod pump and automatic welding equipment thereof. The joint includes a butt-jointed carbon fiber tube and a metal tube, the metal tube is integrally arranged at the end of the metal rod, and the metal tube is welded with a protective sleeve on the outer wall of the tube at its butt joint, and the carbon fiber tube and the protective sleeve and metal tube are welded. The gaps between the tubes are fitted and bonded. Correspondingly, the automatic welding equipment includes a conveying and docking mechanism, and the conveying and docking mechanism includes two oppositely arranged conveying rollers, and a glue spraying mechanism and a welding mechanism are arranged between the two conveying rollers. The invention improves the mechanical strength and service life of the bonding part between the metal pipe and the carbon fiber pipe, and is simple and intelligent in preparation, and meets the requirements of the market and operating environment.
Description
Technical field
The hollow carbon fiber used the invention belongs to mechanical oil recovery apparatus field more particularly to sucker rod pump mechanical oil recovery is continuous
Rod connector and its automatic welding device.
Background technique
Sucker rod is mainly used for the mechanical oil recovery process in the defeated system of oil field injection and extraction, generally metal is mostly used to be made, still
Since operating environment is severe, the problems such as metal sucker rod will appear burn into eccentric wear in use, energy consumption is high, needs constantly
Replacement, causes oil recovery efficiency low and cost improves.Carbon-fiber continuous rod system pultrusion carbon fibre composite, is cladded with resistance to
Lose wear-resistant thermoplastic, have high-strength light, endurance life height, anticorrosion, eccentric abrasion prevention, it is energy-saving the features such as, it is main
The mechanical oil recovery process being used in the defeated system of oil field injection and extraction, fundamentally solve the use of metal sucker rod in burn into eccentric wear,
The problems such as energy consumption is high.There is broad mass market prospect in sucker rod pumping field.
For staff according to the influence of actual job environment and operating condition, parameters, the interception such as submergence according to well depth, pump are suitable
When the carbon-fiber continuous rod of length is used instead of metal sucker rod, i.e., carbon-fiber continuous rod upper end need to be with the light of metal
Bar connection, lower end need to be connect with the oil pump plunger piston of metal, drive rod pumping pump by the up and down motion of pumping unit horsehead
It moves back and forth and realizes mechanical oil recovery.In the prior art, carbon-fiber continuous rod is connect often through connector above and below with metallic rod
Special construction, such as hangnail, anti-skid chequer, cone fixture block or wedge clamping block press from both sides carbon-fiber continuous rod and metallic rod
Tightly, or carbon-fiber continuous rod and metallic rod progress glue sticking are directlyed adopt, but in actual application, carbon fiber
Coiled rod and metallic rod junction need to bear the external force of the complexity such as huge alternating load, oscillating load, shock loading
Effect, substantially reduces the service life of carbon-fiber continuous rod, causes to the popularization and application of carbon-fiber continuous rod larger
Obstruction.
Summary of the invention
The object of the present invention is to provide a kind of hollow carbon fiber coiled rod connector and its automatic welding device, the present invention
The connector is that metal rod ends are made to tubulose and hollow carbon fiber coiled rod (i.e. carbon fiber pipe) progress glue sticking, together
When also utilize protection sleeve butt joint at the gluing position of carbon fiber pipe and metal tube end carry out reinforcement protection, improve metal tube
Mechanical strength and service life with carbon fiber pipe abutting edge, and preparation process is simple and intelligent, meets market and operating environment
Demand.
In order to solve the above technical problems, The technical solution adopted by the invention is as follows:
Hollow carbon fiber coiled rod connector, the connector include the carbon fiber pipe and metal tube of docking, metal tube one
Body is set to metal rod ends, and welding is equipped with protection sleeve, carbon fiber pipe on the tube wall at the interfaced mouth of metal tube
The clearance fit and bonding between protection sleeve and metal tube.
Connector in the present invention uses tubular type adhesive structure, clamps instead of collet in the prior art or single layer glue sticking
Connection type, so that the carbon fiber pipe of joint is solely subjected to axial force, circumferential direction, radial force are smaller, avoid in the prior art
The end of carbon fiber bar is caused to be broken at docking by excessive load, improves carbon-fiber continuous rod and metal tube rod
Connective stability, while also just because of carbon fiber and metal junction load be mostly it is axial, so using hollow carbon
Fiber sucker rod replaces solid carbon fiber bar in the prior art to use, and may be advantageously employed in the more gas of unconventional oil and gas and close
It adopts, produces gas channel, the rod tube that carbon-fiber continuous rod and oil pipe are formed as shale gas in hollow carbon fiber coiled rod
Annular space produces liquid channel, production gas channel of the oil jacket annulus that oil pipe and casing are formed as coal bed gas as coal bed gas.
The automatic welding device of the hollow carbon fiber coiled rod connector, including transmission docking mechanism, transmission docking
Mechanism includes two sections of transfer rollers being arranged oppositely, and is equipped with glue-spraying mechanism and welding mechanism between two sections of transfer rollers.
Preferably, the roller of two sections of transfer rollers is circumferentially with the notch with carbon fiber pipe and metal tube cooperation respectively.Transmission
Roller is equipped with notch, it is ensured that pipe fitting linear movement, accuracy declines when preventing pipe fitting shaking from subsequent nozzle being caused to dock.
Preferably, the glue-spraying mechanism includes the first fixed ring being set on the first support, the ring body of the first fixed ring
Side and the coaxial joggle of the first driven gear, ring body top are installed with first motor, the bull stick of first motor and the first driving tooth
Wheel connection, the first driving gear are engaged with the first driven gear, and the inner ring surface of the first driven gear is equipped with glue spraying head, glue spraying head
It is connect with glue source capsule road.
Preferably, the welding mechanism includes the second fixed ring being set on the second support, the ring body of the second fixed ring
Side and the coaxial joggle of the second driven gear, ring body top are installed with the second motor, the bull stick of the second motor and the second driving tooth
Wheel connection, the second driving gear are engaged with the second driven gear, and the inner ring surface of the second driven gear is equipped with plumb joint.
Preferably, the driven gear is cooperated by wedge key with the wedge-shaped keyway on corresponding fixed ring anchor ring.It is driven
Gear can use wedge key and rotate, and then corresponding glue spraying head or plumb joint is driven to make circulating type work to respective tube
Industry.
Preferably, the glue spraying head and plumb joint pass through the telescoping member of adjustable in length and corresponding driven gear respectively
Inner ring surface connection, telescoping member is arranged radially along driven gear.The setting of telescoping member, adjustable glue spraying head or plumb joint
With the spacing of respective tube, to adapt to the control of different tube diameters for operation, and after completing glue spraying or weld job, glue spraying head or
Plumb joint can quickly space out with pipe, do not hinder pipe fitting mobile and carry out next procedure.
Preferably, the first fixed ring and the coaxial arrangement of the second fixed ring, and the first driven gear and the second driven gear back
To being set in corresponding fixed ring.
Preferably, under working condition, the metal tube and carbon fiber pipe and fixed ring being placed on transfer roller are coaxially disposed.
Preferably, the glue spraying head includes setting up and down and connection upper rubber head and lower rubber head, upper rubber head and lower rubber head
Plastic emitting direction is identical and the tube wall of gap between the two and carbon fiber pipe cooperates.Glue spraying head at work, by carbon fiber pipe
Tube wall is placed in the gap location between rubber head and lower rubber head, disposably can carry out glue spraying by the inside and outside wall to carbon fiber pipe.
In the use of the present invention, the carbon fiber pipe of the length according to customized in oil well depth and metal tube are placed respectively first
In on the corresponding transfer roller of glue-spraying mechanism and welding mechanism side, then carbon fiber pipe and metal tube opposite direction are moved using transfer roller
It is dynamic.When carbon fiber pipe is moved to below glue spraying head, the elongation such as corresponding telescoping member such as hydraulic cylinder or cylinder moves glue spraying head
It moves to the nozzle of carbon fiber pipe, spray glue spraying liquid is carried out to the inside and outside wall of carbon fiber pipe simultaneously using upper and lower rubber head, glue spraying is complete
Glue spraying head after finishing continuously moves to dock with metal tube under the drive of transfer roller；Likewise, when metal tube is moved to welding
When head lower section, by protection sleeve set to metal tube, then corresponding telescoping member extends, by plumb joint to protection sleeve and gold
Belonging to pipe to be welded, the metal tube after welding is moved at metal tube docks with carbon fiber pipe under the drive of transfer roller,
Glue sticking is realized in the glue spraying tube body insertion metal tube of carbon fiber pipe and the gap of protection sleeve.
When the metal tube and protection sleeve carry out welding or carbon fiber pipe progress glue spraying, the motor on corresponding ring admittedly is opened
It is dynamic, drive driven gear to rotate using driving gear, fixation of the driven gear by wedge key can only rotate, then
Corresponding plumb joint or glue spraying head is driven to carry out ring type welding or glue spraying around the weld of metal tube or the tube body of carbon fiber pipe.
Compared with the prior art, the invention has the following advantages:
1) metal tube and carbon fiber pipe are used glue sticking by carbon-fiber continuous rod connector of the present invention, instead of
Collet clamps or the connection type of single layer bonding in the prior art, while also using protection sleeve to carbon fiber pipe and metal tube
Gluing position carries out reinforcement protection, so that protection sleeve is destroyed prior to the gluing position of carbon fiber pipe and metal tube and destroyed, prolongs
The mechanical strength and service life of the abutting edge of long metal pipe and carbon fiber pipe.
2) to prepare hollow carbon fiber coiled rod bond process using the automatic welding device easy, glue-spraying mechanism and
Welding mechanism uses motor-driven gear, so that the pipe fitting of corresponding glue spraying head or plumb joint on transfer roller be driven to make circumference fortune
Glue spraying uniformity and weld horizontal not only can be improved in dynamic and circumferential operation, mechanization control, but also saving is artificial, improves life
Produce efficiency；
3) it uses hollow carbon fiber rod structure for the first time in this field, not only reduces sucker rod quality, while also can guarantee
The integral strength of sucker rod maintains on technique requirement standard, reduces oil pumping energy consumption.
Detailed description of the invention
Fig. 1 is hollow carbon-fiber continuous rod connector schematic cross-sectional view in specific embodiment；
Fig. 2 is the structural schematic diagram of hollow carbon-fiber continuous rod joint automatic welding equipment in specific embodiment；
Fig. 3 is the structural schematic diagram of glue-spraying mechanism in Fig. 2；
Fig. 4 is the connection structure schematic cross-sectional view of the first fixed ring and the first driven gear in Fig. 2；
Fig. 5 is the structural schematic diagram of welding mechanism in Fig. 2；
It is marked in figure are as follows: transfer roller 1, roller 101, bracket 102, glue-spraying mechanism 2, first motor 201, the first driving gear
202, the first fixed ring 203, the first driven gear 204, first hydraulic cylinder 205, the first support 207, glue spraying head 208, bonding machine
Structure 3, the second motor 301, the second driving gear 302, the second fixed ring 303, the second driven gear 304, second hydraulic cylinder 305,
Second support 307, plumb joint 308, carbon fiber pipe 4 protect sleeve 5, metal tube 6, wedge key 7.
Specific embodiment
In order to make the objectives, technical solutions, and advantages of the present invention clearer, with reference to the accompanying drawings and embodiments, right
The present invention is further elaborated.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, and
It is not used in the restriction present invention.
As shown in Figure 1, hollow carbon fiber coiled rod connector, the connector includes the carbon fiber pipe 4 and metal of docking
Pipe 6, metal tube 6 are integrally formed at metal rod ends, and welding is equipped with protection on the tube wall at the interfaced mouth of metal tube 6
Sleeve 5, clearance fit between the nozzle of carbon fiber pipe 4 and protection sleeve 5 and metal tube 6 are simultaneously bonding.
As shown in Figure 2-5, the automatic welding device of the hollow carbon fiber coiled rod connector, the equipment include
Including two sections of transfer rollers being arranged oppositely 1, glue-spraying mechanism 2 and welding mechanism 3, two sections of transfer rollers are equipped between two sections of transfer rollers 1
Roller 101 and bracket 102 be rotatablely connected, and the roller 101 on corresponding transfer roller is circumferentially with and carbon fiber pipe and gold respectively
Belong to the notch of pipe cooperation.
The glue-spraying mechanism 2 includes the first fixed ring 203 being set on the first support 207, first driven gear
204 pass through the wedge-shaped keyway cooperation on 203 anchor ring of wedge key 7 and the first fixed ring.Pass through the first electricity at the top of first fixed ring 203
Base is fixedly connected with first motor 201, and the bull stick of first motor 201 is connect with the first driving gear 202, the first driving gear
202 engage with the first driven gear 204, the first hydraulic cylinder 205 on the inner ring surface of the first driven gear 204 by being arranged radially
With glue spraying head 208, glue spraying head 208 is connect with glue source capsule road.Glue spraying head 208 includes setting up and down and connection upper rubber head under
Rubber head, upper rubber head is identical as the plastic emitting direction of lower rubber head and the tube wall of gap between the two and carbon fiber pipe 4 cooperates.
The welding mechanism 3 includes the second fixed ring 303 being set on the second support 307, first driven gear
304 pass through the wedge-shaped keyway cooperation on 303 anchor ring of wedge key 7 and the first fixed ring.Pass through the second electricity at the top of second fixed ring 303
Base is fixedly connected with the second motor 301, and the bull stick of the second motor 301 is connect with the second driving gear 302, the second driving gear
302 engage with the second driven gear 304, the second hydraulic cylinder 305 on the inner ring surface of the second driven gear 304 by being arranged radially
With plumb joint 208.
First fixed ring 203 and the coaxial arrangement of the second fixed ring 303, and the first driven gear 204 and the second driven gear
304 are set to backwards in corresponding fixed ring, under working condition, the metal tube and carbon fiber pipe that are placed on transfer roller 1 and solid
Determine ring coaxial arrangement.
In the use of the present invention, first by hollow carbon fiber sucker rod (the i.e. carbon fiber of the length according to customized in oil well depth
Dimension pipe) and metal tube be respectively placed on glue-spraying mechanism and the corresponding transfer roller of welding mechanism side, then using transfer roller general
Hollow carbon fiber sucker rod and metal tube opposite direction are mobile.When carbon fiber pipe is moved to below glue spraying head, corresponding telescoping member
Such as hydraulic cylinder or cylinder elongation, glue spraying head are moved at the nozzle of carbon fiber pipe, using upper and lower rubber head simultaneously to carbon fiber
The inside and outside wall of pipe carries out spray glue spraying liquid, and the glue spraying head after glue spraying continuously moves under the drive of transfer roller and metal tube
Docking；Likewise, by protection sleeve set to metal tube, then stretching accordingly when metal tube is moved to below plumb joint
Component elongation welds plumb joint to protection sleeve and metal tube, drive of the metal tube after welding in transfer roller
Under be moved to metal tube and dock place with carbon fiber pipe, the glue spraying tube body insertion metal tube of carbon fiber pipe and protect in the gap of sleeve
Realize glue sticking.
When the metal tube and protection sleeve carry out welding or carbon fiber pipe progress glue spraying, the motor on corresponding ring admittedly is opened
It is dynamic, drive driven gear to rotate using driving gear, fixation of the driven gear by wedge key can only rotate, then
Corresponding plumb joint or glue spraying head is driven to carry out ring type welding or glue spraying around the weld of metal tube or the tube body of carbon fiber pipe.
Transfer roller is equipped with notch, it is ensured that pipe fitting linear movement prevents pipe fitting shaking accurate when causing subsequent docking
Property decline.The setting of telescoping member, the spacing of adjustable glue spraying head or plumb joint and corresponding pipe fitting, to adapt to different tube diameters
Pipe fitting prepares operation, and after completing glue spraying or weld job, glue spraying head or plumb joint can quickly space out with pipe fitting,
It does not hinder pipe fitting mobile and carries out next procedure.
Claims (9)
1. the automatic welding device of hollow carbon fiber coiled rod connector, connector includes the carbon fiber pipe and metal tube of docking,
Metal tube is integrally formed at metal rod ends, and welding is equipped with protection sleeve on the tube wall at the interfaced mouth of metal tube,
Clearance fit and bonding between carbon fiber pipe and protection sleeve and metal tube, which is characterized in that the equipment includes transmission pair
Connection mechanism, transmission docking mechanism include two sections of transfer rollers being arranged oppositely, and are equipped with glue-spraying mechanism and welding between two sections of transfer rollers
Mechanism.
2. the automatic welding device of hollow carbon fiber coiled rod connector as described in claim 1, which is characterized in that two sections of biographies
The roller of roller is sent to be circumferentially with the notch with carbon fiber pipe and metal tube cooperation respectively.
3. the automatic welding device of hollow carbon fiber coiled rod connector as described in claim 1, which is characterized in that the spray
Gluing mechanism includes the first fixed ring being set on the first support, and the ring body side of the first fixed ring and the first driven gear are coaxial
Joggle is installed with first motor at the top of ring body, and the bull stick of first motor is connect with the first driving gear, the first driving gear and the
The inner ring surface of the engagement of one driven gear, the first driven gear is equipped with glue spraying head, and glue spraying head is connect with glue source capsule road.
4. the automatic welding device of hollow carbon fiber coiled rod connector as described in claim 1, which is characterized in that the weldering
Connection mechanism includes the second fixed ring being set on the second support, and the ring body side of the second fixed ring and the second driven gear are coaxial
Joggle is installed with the second motor at the top of ring body, and the bull stick of the second motor is connect with the second driving gear, the second driving gear and the
The inner ring surface of the engagement of two driven gears, the second driven gear is equipped with plumb joint.
5. the automatic welding device of hollow carbon fiber coiled rod connector as described in claim 3 or 4, which is characterized in that institute
It states glue spraying head and plumb joint and passes through the telescoping member of adjustable in length respectively and connected with the inner ring surface of corresponding driven gear, stretched
Component is arranged radially along driven gear.
6. the automatic welding device of hollow carbon fiber coiled rod connector as described in claim 3 or 4, which is characterized in that institute
It states driven gear and is cooperated by wedge key with the wedge-shaped keyway on corresponding fixed ring anchor ring.
7. the automatic welding device of hollow carbon fiber coiled rod connector as described in claim 3 or 4, which is characterized in that the
One fixed ring and the coaxial arrangement of the second fixed ring, and the first driven gear and the second driven gear are set to corresponding fixation backwards
On ring.
8. the automatic welding device of hollow carbon fiber coiled rod connector as claimed in claim 7, which is characterized in that work shape
Under state, the metal tube and carbon fiber pipe and fixed ring being placed on transfer roller are coaxially disposed.
9. the automatic welding device of hollow carbon fiber coiled rod connector as claimed in claim 3, which is characterized in that the spray
Rubber head includes setting up and down and connection upper rubber head and lower rubber head, and upper rubber head is identical as the plastic emitting direction of lower rubber head and between the two
Gap and carbon fiber pipe tube wall cooperate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710095345.3A CN106930707B (en) | 2017-02-22 | 2017-02-22 | Hollow carbon fiber coiled rod connector and its automatic welding device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710095345.3A CN106930707B (en) | 2017-02-22 | 2017-02-22 | Hollow carbon fiber coiled rod connector and its automatic welding device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106930707A CN106930707A (en) | 2017-07-07 |
| CN106930707B true CN106930707B (en) | 2019-01-18 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710095345.3A Expired - Fee Related CN106930707B (en) | 2017-02-22 | 2017-02-22 | Hollow carbon fiber coiled rod connector and its automatic welding device |
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| CN (1) | CN106930707B (en) |
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| JPH06218315A (en) * | 1992-09-28 | 1994-08-09 | Balti Ag | Method and device for coating metal tube weld seam |
| JPH06320267A (en) * | 1993-05-13 | 1994-11-22 | Kawasaki Steel Corp | Steel pipe inner surface spiral rib welding equipment |
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| Publication number | Publication date |
|---|---|
| CN106930707A (en) | 2017-07-07 |
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