CN221280117U - Crank pin bearing movement detection device - Google Patents
Crank pin bearing movement detection device Download PDFInfo
- Publication number
- CN221280117U CN221280117U CN202323395471.0U CN202323395471U CN221280117U CN 221280117 U CN221280117 U CN 221280117U CN 202323395471 U CN202323395471 U CN 202323395471U CN 221280117 U CN221280117 U CN 221280117U
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- China
- Prior art keywords
- plug
- crank pin
- detection device
- guide rod
- end cover
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Links
- 238000001514 detection method Methods 0.000 title claims abstract description 27
- 230000006835 compression Effects 0.000 claims abstract description 18
- 238000007906 compression Methods 0.000 claims abstract description 18
- 238000005096 rolling process Methods 0.000 claims description 20
- 238000007789 sealing Methods 0.000 claims description 13
- 238000002347 injection Methods 0.000 claims description 7
- 239000007924 injection Substances 0.000 claims description 7
- 239000007788 liquid Substances 0.000 claims description 2
- 238000010276 construction Methods 0.000 claims 1
- 238000005086 pumping Methods 0.000 abstract description 43
- 239000003921 oil Substances 0.000 description 24
- 239000010687 lubricating oil Substances 0.000 description 8
- 238000000034 method Methods 0.000 description 7
- 239000010779 crude oil Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000004519 grease Substances 0.000 description 2
- 230000005856 abnormality Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 210000004907 gland Anatomy 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
Landscapes
- Shafts, Cranks, Connecting Bars, And Related Bearings (AREA)
Abstract
The utility model relates to the technical field of oilfield exploitation, in particular to a crank pin bearing movement detection device. The crank pin bearing play detection device includes: the device comprises an end cover, a plug, a scale, a spare cap, a guide rod, a cylindrical compression spring and a plug. The end cover one side is equipped with the screw hole with end cap external diameter size assorted, and end cap center is equipped with the through-hole, end cap threaded connection end cover, and the scale center is equipped with guide arm external diameter size assorted through-hole, and the scale cover is equipped with the guide arm in the end cap, and guide arm one end embedding end cap through-hole, scale one end are equipped with and are equipped with cap, are equipped with cap fastening guide arm one end, and cylinder compression spring cover is in guide arm one side, and guide arm one end is equipped with antifriction bearing, and the top is connected to roller bearing one end. The crank pin bearing movement detection device provided by the utility model can be used for externally observing the state of the crank pin of the pumping unit in the end cover, thereby achieving the purposes of detecting the crank pin of the pumping unit, reducing the potential safety hazard of work, reducing the labor intensity of operators and improving the working efficiency.
Description
Technical Field
The utility model relates to the technical field of oilfield exploitation, in particular to a crank pin bearing movement detection device.
Background
The beam pumping unit is used as main crude oil lifting equipment of an oil field, and plays an important role in the exploitation and lifting of crude oil by virtue of the unique structure and the unique performance. However, in the long-time operation process, the interference of the matching size of the beam pumping unit bearing and the pumping unit crank pin is insufficient, so that the inner sleeve of the pumping unit bearing and the pumping unit crank pin relatively rotate, the outer sleeve of the pumping unit crank pin generates axial force, the two bolts of the shaft head gland of the pumping unit are stressed too much, the bolts are broken, the outer shell of the pumping unit crank pin is separated from the pin shaft, and the pumping unit crank pin is damaged. Under the prior art, in the operation process of the beam-pumping unit, two M12 bolts are used for fixing a shaft head baffle of a crank pin of the beam-pumping unit, a bearing seat is sealed by an end cover, the internal condition of the crank pin of the beam-pumping unit cannot be judged outside, if the inspection is not timely, the bearing seat of a tail of the beam-pumping unit, a beam of the beam-pumping unit and a connecting rod of the beam-pumping unit are damaged, and the beam-pumping unit is seriously overturned.
Disclosure of Invention
First, the technical problem to be solved
The utility model provides a crank pin bearing play detection device, which aims to solve the problems that in the prior art, a crank pin baffle plate of a pumping unit is fixed, a bearing seat is sealed by an end cover, and the damage condition of the inside of the crank pin of the pumping unit cannot be accurately judged at the outside.
(II) technical scheme
In order to achieve the above object, the present utility model provides a crank pin bearing play detection device comprising: the device comprises an end cover, a plug, a scale, a spare cap, a guide rod, a cylindrical compression spring and a plug;
One side of the end cover is provided with a threaded hole matched with the outer diameter of the plug;
The plug is of a hollow structure, a through hole is formed in the center of the plug, and the plug is in threaded connection with the end cover;
The staff gauge is of a boss structure, a through hole matched with the outer diameter of the guide rod is formed in the center of the staff gauge, and the staff gauge is sleeved on one side of the guide rod;
A guide rod is arranged in the plug, one end of the guide rod is embedded into the through hole of the plug, one end of the scale is provided with a backup cap, and the backup cap is used for fastening one end of the guide rod;
the cylindrical compression spring is sleeved on one side of the guide rod, and one end of the cylindrical compression spring is connected with the plug;
One end of the guide rod is provided with a rolling bearing, and one end of the roller bearing is connected with a plug.
Preferably, the method further comprises: the sealing gasket is arranged between the plug and the end cover and prevents liquid in the end cover from flowing out.
Preferably, the method further comprises: the oil injection plug is arranged on one side of the end cover.
Preferably, the method further comprises: the round sealing ring is arranged at one end of the cylindrical compression spring.
Preferably, one end of the guide rod is of a hollow structure.
Preferably, one end of the plug is of a boss structure, the other end of the plug is of a cylindrical structure, and the outer diameter size of one end of the plug is the same as the inner diameter size of the inner sleeve of the rolling bearing.
Preferably, the rolling bearing outer sleeve is connected with the inner side of the guide rod, and the rolling bearing inner sleeve is connected with the plug.
Preferably, threaded holes are respectively formed at two ends of the end cover and used for fixing the end cover.
(III) beneficial effects
The utility model provides a crank pin bearing movement detection device, which can realize that a gap is formed between a scale fixed at the left end of a guide rod and an end cover by outwards pushing out the scale through a cylindrical compression spring sleeved on the guide rod when a crank pin of a pumping unit moves, and the size of the gap between the scale and the end cover can reflect the position relation between a top inside the end cover and the crank pin of the pumping unit, so that an operator can timely detect the damage condition inside the crank pin bearing of the pumping unit from the outside of the end cover, thereby achieving the purposes of timely detecting the crank pin of the pumping unit, reducing the potential safety hazard of the operation mainly, reducing the labor intensity of the operator and improving the working efficiency.
Drawings
FIG. 1 shows a schematic diagram of a crank pin bearing play detection device of the present utility model;
FIG. 2 is a schematic view showing a partial structure of a crank pin bearing play detection device of the present utility model;
FIG. 3 is a schematic diagram showing the overall assembly structure of the crank pin bearing play detection device of the present utility model.
Wherein: 1: an end cap; 2: a plug; 3: a sealing gasket; 4: a ruler; 5: preparing a cap; 6: a guide rod; 7: a circular sealing ring; 8: a cylindrical compression spring; 9: a rolling bearing; 10: a plug; 11: and (5) oiling a plug.
Description of the embodiments
The present utility model will be described in detail below with reference to the accompanying drawings and examples.
In the description of the present utility model, it should be understood that the directions or positional relationships indicated by "upper", "lower", "left", "right", "inner", "outer", "top", "bottom", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and are not indicative or implying that the parts referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present utility model.
As shown in fig. 1 to 3, the present utility model provides a crank pin bearing play detection device including:
the end cover 1, the plug 2, the scale 4, the backup cap 5, the guide rod 6, the cylindrical compression spring 8 and the plug 10;
The end cover 1 is provided with a threaded hole matched with the outer diameter of the plug 2 at the center of one side, the threaded hole can be tightly matched with the plug 2, the upper end and the lower end of the end cover 1 are respectively provided with a threaded hole for fixing the end cover 1 on the pumping unit, one side of the end cover 1 is also provided with an oil filling port, the oil filling port is provided with an oil filling plug 11, lubricating oil can be filled into the end cover 1 through the oil filling port, the oil filling plug 11 can prevent the lubricating oil from overflowing, and the inside of the end cover is kept clean and lubricated. After the lubricating oil is filled, the oil filling plug 11 is used for fastening the oil filling port, so that the lubricating oil can be effectively prevented from overflowing, and the normal operation of the pumping unit is ensured;
The center of the plug 2 is provided with a through hole, one end of the through hole is of a hollow structure, the plug 2 is arranged in the through hole in the center of the end cover, a sealing gasket 3 is arranged between the plug 2 and the end cover 1, and the sealing gasket 3 prevents lubricating oil filled in the end cover 1 from overflowing out of the end cover 1 from the joint of the plug 2 and the end cover 1. The plug 2 can be more tightly matched with the end cover 1, so that the leakage of lubricating oil is effectively prevented to keep the inside of the end cover 1 clean and dry;
The guide rod 6 is arranged in the plug 2, the guide rod 6 is embedded into a through hole of the plug 2, one end of the guide rod 6 is fastened with one end of the plug 2 through the spare cap 5, the staff 4 is arranged between the spare cap 5 and the plug 2, the staff 4 is tightly matched with the plug 2, and no gap exists between the staff 4 and the plug 2, so that the accuracy of the device is ensured. The scale 4 is used for displaying the working condition of the crank pin of the pumping unit in the end cover 1, and when any abnormality exists in the crank pin, the staff 4 can be used for visual observation and judgment;
The guide rod 6 is of a hollow structure, a cylindrical compression spring 8 is sleeved outside one side of the guide rod 6, one end of the cylindrical compression spring 8 is arranged in the hollow structure at one end of the plug 2, a rolling bearing 9 is arranged on one side of the guide rod 6, the rolling bearing 9 is sleeved outside one end of the guide rod 6, and a plug 10 is sleeved inside the rolling bearing 9;
it should be noted that the outer sleeve of the rolling bearing 9 is tightly matched with the guide rod 6, the inner sleeve of the rolling bearing 9 is tightly matched with the plug 10, and the tight matching ensures the stability and the precision of the rolling bearing 9 in the moving process; when the crank pin of the oil pumping unit moves, the shell of the crank pin of the oil pumping unit rotates due to the axial force, and the end cover 1 can be effectively prevented from being influenced by the axial force of the crank pin of the oil pumping unit by the aid of the rolling bearing 9;
One side of the plug 10 is of a boss structure, the other side of the plug is of a cylindrical structure, the outer diameter size of one side of the plug 10 is matched with the inner diameter size of the inner sleeve of the rolling bearing 9, one end of the plug 10 is connected with the inner sleeve of the rolling bearing 9, and the plug 10 can rotate along with the inner sleeve of the rolling bearing 9;
A circular sealing ring 7 is sleeved on the part, embedded into the plug 2, of one side of the guide rod 6, grease lubricated by the guide rod 6 is coated on the connecting part of the guide rod 6 and the plug 2, and the circular sealing ring 7 is used for preventing the grease in the plug 2 from flowing out of a connecting seam, so that the reflection of the position relation of the scale 4 to the crank pin and the plug 10 of the pumping unit in the end cover 1 is influenced.
The actual operation of the crank pin bearing play detection device will now be described in detail.
In the actual use process, firstly, an original end cover on the oil pumping unit is taken down, the end cover 1 and the original end cover of the oil pumping unit have the same size, the crank pin bearing play detection device is installed at a corresponding position and connected by using bolts, a plug 10 is arranged at the outer side of a crank pin shell of the oil pumping unit, a cylindrical compression spring 8 and a scale 4 are adjusted, so that the plug 10 is tightly attached to the crank pin shell of the oil pumping unit, the scale 4 is tightly attached to a plug 2, an oil injection plug 11 is opened, lubricating oil is added into the end cover 1 through an oil injection port arranged at one side of the end head 1, and then the oil injection port is fastened through the oil injection plug 11 to prevent the lubricating oil from flowing out;
When the crank pin bearing of the pumping unit moves, the plug 10 is stressed to extrude the cylindrical compression spring 8, the scale 4 is ejected outwards, and the state of the crank pin of the pumping unit can be checked without disassembling the end cover of the pumping unit by observing the state of the scale 4.
The utility model provides a crank pin bearing movement detection device, which can eject a scale 4 fixed at one end of a guide rod 6 outwards through a cylindrical compression spring 8 sleeved on the guide rod 6, and forms a certain gap with an end cover 1. The size of the gap can reflect the position relationship between the inner plug 10 of the end cover 1 and the crank pin of the pumping unit. The oil pumping unit crank pin bearing detection device has the advantages that an operator can timely detect the damage condition of the oil pumping unit crank pin bearing from the outside of the end cover, so that timely detection of the oil pumping unit crank pin is achieved, the detection device is designed to be mainly used for helping the operator to monitor the running state of the oil pumping unit better, the damage of the crank pin bearing is prevented, the potential safety hazard of work can be reduced, the labor intensity of operators is reduced, and the work efficiency is improved.
The above embodiments are only for illustrating the present utility model, not for limiting the present utility model, and various changes and modifications may be made by one of ordinary skill in the relevant art without departing from the spirit and scope of the present utility model, and therefore, all equivalent technical solutions are also within the scope of the present utility model, and the scope of the present utility model is defined by the claims.
Claims (8)
1. A crank pin bearing play detection device characterized by comprising: the device comprises an end cover (1), a plug (2), a scale (4), a spare cap (5), a guide rod (6), a cylindrical compression spring (8) and a plug (10);
One side of the end cover (1) is provided with a threaded hole matched with the outer diameter of the plug (2);
The plug (2) is of a hollow structure, a through hole is formed in the center of the plug (2), and the plug (2) is in threaded connection with the end cover (1);
The staff gauge (4) is of a boss structure, a through hole matched with the outer diameter of the guide rod (6) is formed in the center of the staff gauge (4), and the staff gauge (4) is sleeved on one side of the guide rod (6);
A guide rod (6) is arranged in the plug (2), one end of the guide rod (6) is embedded into a through hole of the plug (2), one end of the scale (4) is provided with a spare cap (5), and the spare cap (5) is used for fastening one end of the guide rod (6);
The cylindrical compression spring (8) is sleeved on one side of the guide rod (6), and one end of the cylindrical compression spring (8) is connected with the plug (2);
one end of the guide rod (6) is provided with a rolling bearing (9), and one end of the rolling bearing (9) is connected with a plug (10).
2. The crankpin bearing play detection device according to claim 1, further comprising: the sealing gasket (3), sealing gasket (3) are located between end cap (2) and end cover (1), and sealing gasket (3) prevent liquid outflow in end cover (1).
3. The crankpin bearing play detection device according to claim 1, further comprising: the oil injection plug (11), the oil injection plug (11) is arranged on one side of the end cover (1).
4. The crankpin bearing play detection device according to claim 1, further comprising: the circular sealing ring (7), circular sealing ring (7) locate cylinder compression spring (8) one end.
5. Crank pin bearing play detection device according to claim 1, characterized in that one end of the guide rod (6) is of hollow construction.
6. The crank pin bearing play detection device according to claim 1, wherein one end of the plug (10) is of a boss structure, the other end of the plug is of a cylindrical structure, and the outer diameter size of one end of the plug (10) is the same as the inner diameter size of the inner sleeve of the rolling bearing (9).
7. The crank pin bearing play detection device according to claim 1, wherein the rolling bearing (9) is externally connected to the inner side of the guide rod (6), and the rolling bearing (9) is internally connected to the plug (10).
8. Crank pin bearing play detection device according to claim 1, characterized in that the end caps (1) are provided with threaded holes at both ends, respectively, for fixing the end caps (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323395471.0U CN221280117U (en) | 2023-12-13 | 2023-12-13 | Crank pin bearing movement detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323395471.0U CN221280117U (en) | 2023-12-13 | 2023-12-13 | Crank pin bearing movement detection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221280117U true CN221280117U (en) | 2024-07-05 |
Family
ID=91704355
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202323395471.0U Active CN221280117U (en) | 2023-12-13 | 2023-12-13 | Crank pin bearing movement detection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221280117U (en) |
-
2023
- 2023-12-13 CN CN202323395471.0U patent/CN221280117U/en active Active
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |