CN220179205U - Crank pin taking-out device of pumping unit - Google Patents
Crank pin taking-out device of pumping unit Download PDFInfo
- Publication number
- CN220179205U CN220179205U CN202320071011.3U CN202320071011U CN220179205U CN 220179205 U CN220179205 U CN 220179205U CN 202320071011 U CN202320071011 U CN 202320071011U CN 220179205 U CN220179205 U CN 220179205U
- Authority
- CN
- China
- Prior art keywords
- mounting hole
- crank pin
- nut
- pumping unit
- rod
- Prior art date
- 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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- 238000005086 pumping Methods 0.000 title claims abstract description 19
- 238000000605 extraction Methods 0.000 claims description 8
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 230000006378 damage Effects 0.000 abstract description 3
- 208000027418 Wounds and injury Diseases 0.000 abstract description 2
- 238000006073 displacement reaction Methods 0.000 abstract description 2
- 208000014674 injury Diseases 0.000 abstract description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
Abstract
The utility model discloses a crank pin taking-out device of an oil pumping unit, which comprises a supporting plate, wherein a first mounting hole is formed in the supporting plate, a first nut is arranged on the outer side of the first mounting hole, a screw rod is arranged on the inner side of the first mounting hole and the inner side of the first nut, a second mounting hole is formed in one end, far away from the supporting plate, of the screw rod, and a second nut is arranged on the supporting rod. This beam-pumping unit crank pin remove device detains on the surface of crank through the bracing piece of hook-like structure or the bracing piece of installing the block, then twists the lead screw and rotates in first nut inboard, and rotatory lead screw then can carry out displacement motion in the backup pad through the screw thread, and the lead screw then can drive thrust bearing and push up the crank pin for the crank pin breaks away from with the crank, avoids standing on the reducing gear box and swings the overhead work that the big hammer carried out the crank pin dismantlement, has improved the operation security, can reduce simultaneously and strike the injury that the big hammer caused spare part.
Description
Technical Field
The utility model relates to the technical field of oil extraction machinery, in particular to a crank pin taking-out device of an oil pumping unit.
Background
The current pumping unit is characterized in that a motor is used for transmitting power to a reduction gearbox through a belt, the reduction gearbox is used for reducing the rotating speed through a gear ratio, the power is transmitted to a crank through an output shaft, and the crank is used for converting kinetic energy into reciprocating kinetic energy through rotation and transmitting the reciprocating kinetic energy to a connecting rod. The crank and the connecting rod are connected through a crank pin, so that the long-term operation is inevitably failed, and the crank hole is required to be disassembled, replaced or maintained when the abrasion of the crank hole is enlarged.
The traditional disassembling method is to stop the pumping unit to the upper dead point, so that the crank is at the highest position, because if the crank is not at the highest position, the crank pin is blocked by the reduction gearbox, the operation cannot be carried out, and only at the highest position, a person stands on the reduction gearbox to disassemble the crank pin nut, and the crank pin is driven out by a large hammer, the reduction gearbox is at a height of more than two meters, the operation belongs to high-altitude operation, the worker needs to tie a safety belt, and meanwhile, equipment is easy to damage, the operation is complicated, the operation intensity is high, and potential safety hazards exist.
In order to solve the above problems, there is an urgent need to design a crank pin extraction device of an oil pumping unit.
Disclosure of Invention
The utility model aims to provide a crank pin taking-out device of an oil pumping unit, which aims to solve the technical problems of the background technology.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a crank pin take-out device of beam-pumping unit, includes the backup pad, first mounting hole has been seted up in the backup pad, the outside of first mounting hole is provided with first nut, the inboard of first mounting hole and first nut is provided with the lead screw, the second mounting hole has been seted up to the one end that the backup pad was kept away from to the lead screw, the inboard of second mounting hole is provided with the afterburning pole, thrust bearing is installed in the one end rotation that the second mounting hole was kept away from to the lead screw, be provided with location ball on the thrust bearing, the third mounting hole has all been seted up at the both ends of backup pad, the inboard of third mounting hole is provided with the bracing piece, the bracing piece passes through third mounting hole and backup pad interconnect, install the second nut on the bracing piece.
Preferably, the screw rod is in threaded connection with the first nut, and the stress application rod is in penetrating connection with the screw rod through the second mounting hole.
Preferably, the third mounting holes are symmetrically distributed about the longitudinal center line of the support plate, the support rod is slidably connected with the support plate through the third mounting holes, threads are arranged on one end surface, close to the support plate, of the support rod, and the support rod is in threaded connection with the second nut.
Preferably, the support rod is provided with two specifications, one specification is that one end of the support rod far away from the support plate is in a hook-shaped structure, and the other specification is that one end of the support rod far away from the support plate is in a cylindrical structure and the surface of the support rod is also provided with threads.
Preferably, the supporting rod is far away from the clamping table mounted on one end surface of the cylindrical structure of the supporting plate, a fourth mounting hole is formed in the clamping table, and a clamping plate is further arranged at the edge of the clamping table.
Preferably, four corners of the clamping plate are of arc-shaped structures, and the clamping plate and the clamping table are welded integrally.
Compared with the prior art, the utility model has the beneficial effects that: this beam-pumping unit crank pin remove device detains on the surface of crank through the bracing piece of hook-like structure or the bracing piece of installing the block, then twists the lead screw and rotates in first nut inboard, and rotatory lead screw then can carry out displacement motion in the backup pad through the screw thread, and the lead screw then can drive thrust bearing and push up the crank pin for the crank pin breaks away from with the crank, avoids standing on the reducing gear box and swings the overhead work that the big hammer carried out the crank pin dismantlement, has improved the operation security, can reduce simultaneously and strike the injury that the big hammer caused spare part.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present utility model;
FIG. 2 is a schematic view of the front cross-section structure of the present utility model;
FIG. 3 is a schematic view of a mounting structure of a chuck according to the present utility model;
fig. 4 is a schematic perspective view of a clamping table and a clamping plate according to the present utility model.
In the figure: 1. a support plate; 2. a first mounting hole; 3. a first nut; 4. a screw rod; 5. a second mounting hole; 6. a stress application rod; 7. a thrust bearing; 8. positioning the ball; 9. a third mounting hole; 10. a support rod; 11. a second nut; 12. a clamping table; 13. a fourth mounting hole; 14. and (5) clamping plates.
Detailed Description
The following description of the embodiments of the present utility model 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 utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Referring to fig. 1-4, the present utility model provides a technical solution: the utility model provides a crank pin take-out device of beam-pumping unit, including backup pad 1, first mounting hole 2 has been seted up on backup pad 1, the outside of first mounting hole 2 is provided with first nut 3, the inboard of first mounting hole 2 and first nut 3 is provided with lead screw 4, second mounting hole 5 has been seted up to the one end that backup pad 1 was kept away from to lead screw 4, the inboard of second mounting hole 5 is provided with afterburning pole 6, thrust bearing 7 is installed in the one end rotation that second mounting hole 5 was kept away from to lead screw 4, be provided with location ball 8 on the thrust bearing 7, third mounting hole 9 has all been seted up at backup pad 1's both ends, the inboard of third mounting hole 9 is provided with bracing piece 10, bracing piece 10 is through third mounting hole 9 and backup pad 1 interconnect, install second nut 11 on the bracing piece 10.
The screw rod 4 is in threaded connection with the first nut 3, the stress application rod 6 is in penetrating connection with the screw rod 4 through the second mounting hole 5, and the stress application rod 6 can penetrate through the second mounting hole 5 on the screw rod 4, so that the screw rod 4 is conveniently screwed to rotate through the stress application rod 6, and when the screw rod 4 is screwed to rotate, the screw rod 4 at the moment can move on the inner side of the first nut 3 through threads.
The third mounting holes 9 are symmetrically distributed on the longitudinal center line of the support plate 1, the support rods 10 are slidably connected with the support plate 1 through the third mounting holes 9, threads are formed on one end surface, close to the support plate 1, of the support rods 10, the support rods 10 are in threaded connection with the second nuts 11, the support rods 10 can be adjusted in position on the support plate 1 through the third mounting holes 9, then the support rods 10 are in threaded connection with the second nuts 11, the support rods 10 can be prevented from being pulled out of the third mounting holes 9, and the support rods 10 can be connected with the support plate 1.
The bracing piece 10 is provided with two kinds of specifications, and one end that the bracing piece 10 of one specification kept away from backup pad 1 is hook-shaped structure, and the one end that the bracing piece 10 of another specification kept away from backup pad 1 is cylindric structure and its surface is provided with the screw thread equally, and hook-shaped structure on the bracing piece 10 of one specification can detain in the marginal position of crank, makes things convenient for follow-up crank pin on the crank to move, and is provided with the screw thread on the bracing piece 10 of another specification and conveniently carries out stable installation to the clamping table 12.
The support rod 10 is kept away from the one end surface screw thread of the cylindric structure of backup pad 1 and installs the clamping platform 12, has seted up fourth mounting hole 13 on the clamping platform 12, and the edge of clamping platform 12 still is provided with cardboard 14, and the four corners of cardboard 14 is circular arc structure, welds as an organic wholely between cardboard 14 and the clamping platform 12, and clamping platform 12 and cardboard 14 are just looking at "T" style of calligraphy structure of transversely placing, and the corner of cardboard 14 is circular arc simultaneously, conveniently with cardboard 14 and clamping platform 12 card into the track at crank edge in for the stability that support rod 10 is connected through clamping platform 12 and cardboard 14 and crank is stronger.
Working principle: according to the illustration shown in fig. 1-4, before the device is used, the pumping unit is stopped at the upper dead point, the brake lock block is locked, the connecting rod is removed, and because the other connecting rod is connected with the crank pin, the crank is not rotated down, the crank pin nut is removed, the supporting rod 10 passes through the third mounting hole 9, the second nut 11 is screwed on one end of the supporting rod 10 passing through the third mounting hole 9, the supporting rod 10 is pushed to slide in the third mounting hole 9 until a hook on the supporting rod 10 is hooked on the edge of the crank, then the stress rod 6 passes through the second mounting hole 5 on the screw rod 4, the stress rod 6 is rotated again, the screw rod 4 is driven to synchronously rotate by the stress rod 6 at the moment, and the screw rod 4 moves under the action of threads on the inner side of the first nut 3, so that the screw rod 4 pushes the thrust bearing 7 to prop against the crank pin, the positioning ball 8 at the center of the thrust bearing 7 is aligned with the middle hole of the crank pin, the thrust bearing 7 is not easy to deviate under the action of torsion, then the stress rod 6 is continuously pushed, at the moment, the screw rod 4 pushes the thrust bearing 7 to prop against the crank pin slowly, and the thrust 4 is pushed out by the screw pin;
the clamping table 12 is installed at the end of the supporting rod 10 with the other specification, the clamping table 12 is only required to drive the clamping plate 14 to be inserted into the track on the crank from top to bottom, then the stressing rod 6 is screwed to drive the screw rod 4 to rotate according to the principle, and the screw rod 4 at the moment also pushes the thrust bearing 7 to push the crank pin, so that the crank pin is pushed out of the crank to be disassembled.
Although the present utility model has been described 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 and changes may be made without departing from the spirit and principles of the present utility model.
Claims (6)
1. The utility model provides a beam-pumping unit crank pin extraction device which characterized in that: including backup pad (1), first mounting hole (2) have been seted up on backup pad (1), the outside of first mounting hole (2) is provided with first nut (3), the inboard of first mounting hole (2) and first nut (3) is provided with lead screw (4), second mounting hole (5) have been seted up to the one end that backup pad (1) was kept away from to lead screw (4), the inboard of second mounting hole (5) is provided with afterburning pole (6), thrust bearing (7) have been installed in the one end rotation that second mounting hole (5) was kept away from to lead screw (4), be provided with location ball (8) on thrust bearing (7), third mounting hole (9) have all been seted up at the both ends of backup pad (1), the inboard of third mounting hole (9) is provided with bracing piece (10), bracing piece (10) are through third mounting hole (9) and backup pad (1) interconnect, install second nut (11) on bracing piece (10).
2. The pumping unit crank pin extraction device of claim 1, wherein: the screw rod (4) is in threaded connection with the first nut (3), and the stress application rod (6) is in penetrating connection with the screw rod (4) through the second mounting hole (5).
3. The pumping unit crank pin extraction device of claim 1, wherein: the third mounting holes (9) are symmetrically distributed on the longitudinal center line of the support plate (1), the support rods (10) are in sliding connection with the support plate (1) through the third mounting holes (9), threads are arranged on one end surface, close to the support plate (1), of the support rods (10), and the support rods (10) are in threaded connection with the second nuts (11).
4. The pumping unit crank pin extraction device of claim 1, wherein: the support rod (10) is provided with two specifications, one specification is that one end of the support rod (10) far away from the support plate (1) is of a hook-shaped structure, and the other specification is that one end of the support rod (10) far away from the support plate (1) is of a cylindrical structure and the surface of the support rod is also provided with threads.
5. The pumping unit crank pin extraction device of claim 4, wherein: one end surface thread of the cylindrical structure of the supporting rod (10) far away from the supporting plate (1) is provided with a clamping table (12), a fourth mounting hole (13) is formed in the clamping table (12), and a clamping plate (14) is further arranged at the edge of the clamping table (12).
6. The pumping unit crank pin extraction device of claim 5, wherein: four corners of the clamping plate (14) are of arc-shaped structures, and the clamping plate (14) and the clamping table (12) are welded integrally.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320071011.3U CN220179205U (en) | 2023-01-10 | 2023-01-10 | Crank pin taking-out device of pumping unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320071011.3U CN220179205U (en) | 2023-01-10 | 2023-01-10 | Crank pin taking-out device of pumping unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220179205U true CN220179205U (en) | 2023-12-15 |
Family
ID=89106929
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320071011.3U Active CN220179205U (en) | 2023-01-10 | 2023-01-10 | Crank pin taking-out device of pumping unit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220179205U (en) |
-
2023
- 2023-01-10 CN CN202320071011.3U patent/CN220179205U/en active Active
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| GR01 | Patent grant |