CN214031368U - Lifting tool for balance block of oil pumping unit - Google Patents
Lifting tool for balance block of oil pumping unit Download PDFInfo
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- CN214031368U CN214031368U CN202022464452.9U CN202022464452U CN214031368U CN 214031368 U CN214031368 U CN 214031368U CN 202022464452 U CN202022464452 U CN 202022464452U CN 214031368 U CN214031368 U CN 214031368U
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- round
- shaft
- pin
- movable baffle
- pumping unit
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Abstract
The utility model discloses a beam-pumping unit balancing piece lifting device, its technical scheme is: the middle part of the hanging shaft is of a round structure, two ends of the round body in the middle part of the hanging shaft are flat square bodies, round holes are formed in the middle parts of the flat square bodies at the two ends, and the bolt round holes of the U-shaped hanging ring body are sleeved in the round holes in the middle part of the flat square bodies of the hanging shaft and are connected through the hanging ring fixing pins; the outer part of the round body in the middle of the hanging shaft is a shaft sleeve, a round fixed baffle is arranged at one end of the shaft sleeve, a round movable baffle is arranged at the other end of the shaft sleeve, a side sleeve larger than the diameter of the shaft sleeve is arranged on the outer side of the movable baffle and forms a whole with the movable baffle, and a locking screw and a fastening nut are arranged on the side sleeve of the movable baffle. The utility model has the advantages that: the device is convenient to install, simple to operate, safe and reliable, and avoids the occurrence of safety accidents caused by the problem of rope sling slipping when the horsehead balance block is hoisted.
Description
Technical Field
The utility model relates to an oil field workover device, in particular to beam-pumping unit balancing piece lifting device.
Background
Before and after oil well operation, a crane is required to be matched with a suspended beam pumping unit to pick up and hang loads, and at present, a rope sleeve made of a steel wire rope is used for sleeving a balance block screw and bypassing a corner of a balance block groove to finish the picking up and hanging of wellhead loads. The crane lifts the steel wire rope sleeve to enable the crank to rotate, and the rope sleeve is in friction stress with the edge angle of the balance block in the lifting process, so that the steel wire rope sleeve is easy to deform and break. Because only the balance block screw is hung in the hoisting process of the steel wire rope, the hoisting point is small and is not provided with an anti-drop device, and the balance block is easy to drop and cause accidents, and the balance block is easy to hang and rotate due to slipping, so that the gearbox of the pumping unit is damaged. In order to improve the hoisting stability and ensure safe operation. Therefore, it is necessary to develop a balance weight suspension tool of an oil pumping unit.
SUMMERY OF THE UTILITY MODEL
The utility model aims at exactly being the above-mentioned defect to prior art existence, provide a beam-pumping unit balancing piece lifting device, suspend wire rope and U type rings in midair through the crane in the round hole that will hang the axle and insert beam-pumping unit balancing piece lower part and realize reciprocating of beam-pumping unit horse head top dead center, bottom dead center, thereby ensure hoist and mount safety, it is unstable to hang the point when having overcome current hoist and mount beam-pumping unit balancing piece, no anticreep measure, wire rope easily rubs and damages etc., there is the defect of potential safety hazard, thereby improve hoist and mount factor of safety, reduce the incident incidence.
The utility model provides a lifting device for balance block of pumping unit, its technical scheme is: comprises a U-shaped hanging ring body (1), a fixed baffle (2), a shaft sleeve (3), a hanging shaft middle round body (4), a movable baffle (5), a hanging shaft flat square body (9), a hanging shaft flat square body round hole (12), a fixed pin (16) and a bolt round hole (17),
the lifting shaft middle round body (4) is of an integral structure, the two ends of the lifting shaft middle round body (4) are lifting shaft flat square bodies (9), lifting shaft flat square body round holes (12) are formed in the middle of the lifting shaft flat square bodies (9) at the two ends, and the bolt round holes (17) of the U-shaped lifting ring body (1) are sleeved in the middle of the lifting shaft flat square body round holes (12) and are connected through fixing pins (16) of the lifting rings;
the outer part of the round body (4) in the middle of the hanging shaft is provided with a shaft sleeve (3), one end of the shaft sleeve (3) is provided with a round fixed baffle (2), and the other end of the shaft sleeve is provided with a round movable baffle (5).
Preferably, the outer side of the movable baffle (5) is provided with a movable baffle edge sleeve (11) which is larger than the diameter of the shaft sleeve (3) and has the width of 30mm, the movable baffle edge sleeve and the movable baffle (5) form a whole, the movable baffle edge sleeve (11) is provided with a locking screw (6) and a fastening nut (7), and when the inner ends of the fixed baffle (2) and the movable baffle (5) are close to a circular hole of a balance block of the pumping unit, the locking screw (6) is locked on the shaft sleeve (3) through the fastening nut (7).
Preferably, the fixing pin (16) is a cylindrical pin column which can penetrate through two pin round holes at the lower end of the U-shaped suspension ring body (1), a fixing pin blocking part rotating handle (8) is arranged at the head end of the pin column, an external thread (13) is arranged at the rear end of the pin column, a pin blocking hole (14) is formed in the tail end of the external thread (13) of the fixing pin, the pin blocking hole (14) is formed along the radial direction of the pin shaft, and the opening safety pin (10) can be inserted into the pin blocking hole (14).
Preferably, the two ends of the U-shaped suspension ring body (1) are respectively provided with a coaxial bolt round hole (17), the circle center of one end of the bolt round hole (17) is unthreaded, and the circle center of the other end of the bolt round hole is provided with an internal thread (15).
Preferably, the external thread (13) at one end of the fixing pin (16) of the U-shaped ring body penetrates through the round hole at one end of the bolt round hole (17) of the U-shaped ring body (1) and is fastened on the internal thread (15) of the round hole at the other end, and the pin blocking hole (14) of the external thread (13) of the fixing pin can be inserted into the split safety pin (10) after being exposed, so that the fixing pin (16) is prevented from being separated.
Compared with the prior art, the beneficial effects of the utility model are specifically as follows: the device installs in beam-pumping unit balancing piece lower part round hole, the bearing sling loading capacity is big, make full use of U type rings, wire rope hangs the beam-pumping unit balancing piece to horse head bottom dead center or top dead center, ensure to pluck under the safe condition and hang the polished rod eye, the device simple to operate, and the operation is thus simple, safety and reliability, the rope sling slippage problem when having avoided hoist and mount horse head balancing piece and the emergence that leads to the incident, it is unstable to have overcome the hoisting point when current hoist and mount beam-pumping unit balancing piece, the defect of no anticreep measure, thereby the hoist and mount factor of safety has been improved, the emergence of incident has been reduced.
Drawings
Fig. 1 is a schematic structural diagram of the present invention;
FIG. 2 is a schematic structural view of the middle portion and the rectangular body portion of the hanger shaft;
FIG. 3 is a schematic structural view of a fixed baffle plate and a shaft sleeve part;
FIG. 4 is a schematic structural view of the movable baffle plate edge sleeve, the locking screw and the fastening nut;
FIG. 5 is a schematic structural view of the U-shaped suspension ring body and the fixing pin part;
in the upper diagram: u type suspension ring body 1, fixed stop 2, axle sleeve 3, hanging axle middle part circle 4, adjustable fender 5, locking screw 6, fastening nut 7, fixed pin stop part twist grip 8, hanging axle flat cube 9, opening safety pin 10, activity flange cover 11, hanging axle flat cube round hole 12, external screw thread 13, fender pinhole 14, internal thread 15, fixed pin 16, bolt round hole 17.
Detailed Description
The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are presented herein only to illustrate and explain the present invention, and not to limit the present invention.
the middle round body 4 of the hanging shaft is of an integral structure, the two ends of the middle round body 4 of the hanging shaft are hanging shaft flat square bodies 9, hanging shaft flat square body round holes 12 are formed in the middle of the hanging shaft flat square bodies 9 at the two ends, and a bolt round hole 17 of the U-shaped hanging ring body 1 is sleeved in the middle of the hanging shaft flat square body round hole 12 and connected through a fixing pin 16 of the hanging ring;
the outside of the middle round body 4 of the hanging shaft is provided with a shaft sleeve 3, one end of the shaft sleeve 3 is provided with a round fixed baffle 2, and the other end is provided with a round movable baffle 5.
Preferably, the outer side of the movable baffle 5 is provided with a movable baffle edge sleeve 11 which is larger than the diameter of the shaft sleeve 3 and has a width of 30mm, the movable baffle edge sleeve 11 and the movable baffle 5 form a whole, the movable baffle edge sleeve 11 is provided with a locking screw 6 and a fastening nut 7, and when the inner ends of the fixed baffle 2 and the movable baffle 5 are close to a circular hole of a balance block of the pumping unit, the locking screw 6 is locked on the shaft sleeve 3 through the fastening nut 7.
Preferably, the fixing pin 16 is a cylindrical pin capable of penetrating through two round pin holes at the lower end of the U-shaped hanging ring body 1, the head end of the pin is provided with a fixing pin blocking part rotating handle 8, the rear end of the pin is provided with an external thread 13, the tail end of the external thread 13 of the fixing pin is provided with a pin blocking hole 14, the pin blocking hole 14 is formed along the radial direction of the pin shaft, and the cotter pin 10 can be inserted into the pin blocking hole 14.
Preferably, the two ends of the U-shaped suspension ring body 1 are respectively provided with a coaxial bolt round hole 17, the circle center of one end of the bolt round hole 17 is unthreaded, and the circle center of the other end of the bolt round hole is provided with an internal thread 15.
Preferably, the male screw 13 at one end of the fixing pin 16 of the U-shaped suspension ring body passes through the round hole at one end of the bolt round hole 17 of the U-shaped suspension ring body 1 and is fastened to the female screw 15 at the other end round hole, and the stop pin hole 14 of the male screw 13 of the fixing pin is exposed and then can be inserted into the cotter pin 10 to prevent the fixing pin 16 from being removed.
The utility model discloses a use method, including following process:
firstly, when a load is removed, a hanging shaft middle round body 4 and a shaft sleeve 3 of the oil pumping unit balance block suspension tool are arranged in a balance block round hole, a fixed baffle 2 on one side is abutted against the inner side of the oil pumping unit balance block round hole, a movable baffle 5 is arranged on the other side, and a locking screw 6 on a movable baffle edge sleeve 11 is fastened on a fastening nut 7;
secondly, sleeving the wire rope sleeve circles in the U-shaped hanging ring bodies 1 at two sides, respectively sleeving the two U-shaped hanging ring bodies 1 into the hanging shaft flat square body round holes 12, and aligning and concentric the two bolt round holes 17 of the U-shaped hanging ring bodies 1 with the hanging shaft flat square body round holes 12;
thirdly, inserting a fixing pin 16 of the lifting ring into the round hole, rotating a fixing pin blocking part rotating handle 8 to connect an external thread 13 of the fixing pin with an internal thread 15 of the U-shaped lifting ring body 1 for tightening, exposing a pin blocking hole 14 of the lifting ring fixing pin, and then inserting an opening safety pin 10;
pulling the rope sleeve to be flat, hanging the middle part of the rope sleeve in a crane hook for locking, releasing the brake of the oil pumping unit, standing a position which is convenient to observe among a crane, a balance block hoisting tool, a rope sleeve connecting part and an oil pumping unit brake worker by a field commander, commanding a crane driver to slowly hoist the balance block, braking when a horse head approaches a lower dead point, and picking off the load of the oil pumping unit according to the operating rule of a rope picking and hanging device;
fifthly, slowly loosening the brake, placing the balance block at a proper position to brake the brake tightly, and removing the steel wire rope from the lifting hook of the crane to finish load removal operation;
when the load is hung, hanging the steel wire rope in a crane hook to lock a hook safety, commanding the crane to lift slowly, loosening the brake of the oil pumping unit after the steel wire rope is stressed, hanging the balance block of the oil pumping unit to the uppermost part, and stopping the brake of the oil pumping unit when the horse head is at the lower dead point;
seventhly, hanging the load according to the operation standard of the rope hanging device, releasing the brake after the load hanging is finished, moving the balance block of the pumping unit to the lower part to the horse head to brake at the top dead center by the crane, removing the steel wire rope of the lifting hook, taking down the suspension tool of the balance block of the pumping unit according to the steps, and finishing the suspension operation.
The above description is only a few of the preferred embodiments of the present invention, and any person skilled in the art may modify the above-described embodiments or modify them into equivalent ones. Therefore, the corresponding simple modifications or equivalent changes made according to the technical solution of the present invention belong to the scope of the claimed invention as much as possible.
Claims (5)
1. The utility model provides a beam-pumping unit balancing piece lifting device which characterized by: comprises a U-shaped hanging ring body (1), a fixed baffle (2), a shaft sleeve (3), a hanging shaft middle round body (4), a movable baffle (5), a hanging shaft flat square body (9), a hanging shaft flat square body round hole (12), a fixed pin (16) and a bolt round hole (17),
the lifting shaft middle round body (4) is of an integral structure, the two ends of the lifting shaft middle round body (4) are lifting shaft flat square bodies (9), lifting shaft flat square body round holes (12) are formed in the middle of the lifting shaft flat square bodies (9) at the two ends, and the bolt round holes (17) of the U-shaped lifting ring body (1) are sleeved in the middle of the lifting shaft flat square body round holes (12) and are connected through fixing pins (16) of the lifting rings;
the outer part of the round body (4) in the middle of the hanging shaft is provided with a shaft sleeve (3), one end of the shaft sleeve (3) is provided with a round fixed baffle (2), and the other end of the shaft sleeve is provided with a round movable baffle (5).
2. The hoisting tool for the balance weight of the pumping unit as claimed in claim 1, wherein: the outer side of the movable baffle (5) is provided with a movable baffle edge sleeve (11) which is larger than the diameter of the shaft sleeve (3) and has the width of 30mm, the movable baffle edge sleeve and the movable baffle (5) form a whole, the movable baffle edge sleeve (11) is provided with a locking screw (6) and a fastening nut (7), and when the inner ends of the fixed baffle (2) and the movable baffle (5) are close to a circular hole of a balance block of the pumping unit, the locking screw (6) is locked on the shaft sleeve (3) through the fastening nut (7).
3. The hoisting tool for the balance weight of the pumping unit as claimed in claim 1, wherein: the fixing pin (16) for can run through the columniform round pin post of two bolt round holes of U type sling body (1) lower extreme, the head end of round pin post sets up fixing pin stop part twist grip (8), the rear end of round pin post is equipped with external screw thread (13), set up one at external screw thread (13) end of fixing pin and keep off pinhole (14), keep off pinhole (14) and radially set up along the round pin axle, opening safety pin (10) can insert and keep off in pinhole (14).
4. The hoisting tool for the balance weight of the pumping unit as claimed in claim 1 or 3, wherein: coaxial bolt round holes (17) are respectively formed in two ends of the U-shaped suspension ring body (1), the circle center of one end of each bolt round hole (17) is unthreaded, and an internal thread (15) is formed in the circle center of the other end of each bolt round hole.
5. The hoisting tool for the balance weight of the pumping unit as claimed in claim 4, wherein: the external screw thread (13) of the fixed pin (16) one end of the U-shaped suspension ring body passes through the round hole at one end of the bolt round hole (17) of the U-shaped suspension ring body (1), and is fastened on the internal screw thread (15) of the round hole at the other end, and the stop pin hole (14) of the external screw thread (13) of the fixed pin can be exposed and then can be inserted into the opening safety pin (10) to prevent the fixed pin (16) from being separated.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022464452.9U CN214031368U (en) | 2020-10-30 | 2020-10-30 | Lifting tool for balance block of oil pumping unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022464452.9U CN214031368U (en) | 2020-10-30 | 2020-10-30 | Lifting tool for balance block of oil pumping unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214031368U true CN214031368U (en) | 2021-08-24 |
Family
ID=77355332
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022464452.9U Active CN214031368U (en) | 2020-10-30 | 2020-10-30 | Lifting tool for balance block of oil pumping unit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214031368U (en) |
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2020
- 2020-10-30 CN CN202022464452.9U patent/CN214031368U/en active Active
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