CN210531574U - Oil leakage prevention device for output shaft of reduction gearbox of oil pumping unit - Google Patents
Oil leakage prevention device for output shaft of reduction gearbox of oil pumping unit Download PDFInfo
- Publication number
- CN210531574U CN210531574U CN201921114963.9U CN201921114963U CN210531574U CN 210531574 U CN210531574 U CN 210531574U CN 201921114963 U CN201921114963 U CN 201921114963U CN 210531574 U CN210531574 U CN 210531574U
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- oil
- output shaft
- reduction gearbox
- wall
- storage tank
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- General Details Of Gearings (AREA)
- Sealing With Elastic Sealing Lips (AREA)
Abstract
The utility model discloses an oil leakage preventing device for an output shaft of a reduction gearbox of an oil pumping unit, which comprises a reduction gearbox, wherein an oil guiding groove is arranged on the front surface of the reduction gearbox, one side of the lower part of an oil storage tank is communicated with an oil return pipe, one end of a connecting rod is fixedly connected to the outer side of a connecting block, the outer wall of the upper part of a clamping piece is attached to the outer wall of an expansion block, the device collects oil leaked from the reduction gearbox through the oil guiding groove, the oil in the oil guiding groove enters the oil storage tank, the oil in the oil storage tank is guided into the reduction gearbox through the oil return pipe, the oil in the oil storage tank is sealed and protected by arranging a sealing ring on the outer wall of the oil storage tank, the connecting rod drives the connecting block to rotate by clockwise rotating the connecting block to the outer wall of the clamping piece, the annular sealing gasket and the expansion strip are fastened, the condition that the output shaft, the service life of the reduction gearbox is prolonged.
Description
Technical Field
The utility model relates to a beam-pumping unit reducing gear box leak protection technical field specifically is a beam-pumping unit reducing gear box output shaft leak protection oil device.
Background
The reduction gearbox is also called as a speed reducer or a speed reducer, works according to the principle that a prime motor is connected with the reduction gearbox, and the reduction gearbox is connected with a working machine, is power transmission equipment and can be divided into an industrial reduction gearbox and a steam reduction gearbox, wherein the former can be divided into a worm and gear reduction gearbox, a worm gear reduction gearbox, a planetary reduction gearbox and the like, the former is mainly divided into a single stage, a second stage and a multi-stage according to the transmission stage, and the latter is a vehicle generally used for four-wheel drive, so that the insufficient turning and the unexpected occurrence caused by the same rotating speed of four tires in turning can be avoided, the output of an electric motor is mainly reduced or improved, when the speed reduction transmission is performed, the prime motor provides power with high rotating speed and low torque, and on the contrary, when the speed increase transmission is performed, the power, in mechanical transmission, a reduction gearbox needs to drive a working object of the reduction gearbox to achieve a preset purpose, and after years of continuous operation, an oil pumping unit used in oil field production causes oil leakage of an output shaft of the reduction gearbox due to abrasion of parts, so that safety potential hazards and environmental pollution are caused to oil well safety production, the service life of the reduction gearbox is influenced, and even the reduction gearbox is damaged.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an oil pumping unit reducing gear box output shaft leak protection oil device to solve the problem that proposes in the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme: an oil leakage preventing device for an output shaft of a reduction gearbox of an oil pumping unit comprises the reduction gearbox and an output shaft gland, wherein a bearing is arranged inside one side of the reduction gearbox, an output shaft is fixedly connected to the inner ring of the bearing, an output shaft end cover is fixedly connected to the outer wall of the reduction gearbox, an oil guide groove is arranged on the front surface of the reduction gearbox, one end of the oil guide groove is communicated with an oil storage tank, an oil return pipe is communicated with one side of the lower portion of the oil storage tank, one side of the oil return pipe is inserted into the reduction gearbox, a sealing ring is fixedly connected to the outer wall of the oil storage tank, an expansion block is fixedly connected to one side of the upper portion of the sealing ring, a through hole is formed in the output shaft gland, the inner side of the through hole is in threaded connection with the outer side of, the outer wall of the upper portion of the clamping piece is attached to the outer wall of the expansion block, and the outer wall of the lower portion of the clamping piece is attached to the outer wall of the sealing ring.
As further preferable in the present technical solution: and a double-lip oil seal is arranged at the joint of the bearing and the reduction gearbox.
As further preferable in the present technical solution: the rubber pad is sleeved outside the output shaft end cover, one side of the rubber pad is fixedly connected with a fixing block, and the fixing block is inserted into the output shaft end cover.
As further preferable in the present technical solution: the lateral wall fixedly connected with fixed plate of fixed block, one side fixedly connected with spring of fixed plate, the one end of spring is connected with the inside wall of output shaft end cover.
As further preferable in the present technical solution: the outer wall of the output shaft, which is positioned inside the output shaft end cover, is provided with a cavity, and lubricating sealing oil is arranged inside the cavity.
As further preferable in the present technical solution: the front surface of the output shaft end cover is connected with an output shaft gland through screw threads, and the output shaft penetrates through the output shaft gland.
Compared with the prior art, the beneficial effects of the utility model are that: the device is through leading the oil groove, the oil that will leak out from in the reducing gear box is collected, it enters into the oil storage tank to lead the oil in the oil groove, lead the oil in the oil storage tank into the reducing gear box through returning oil pipe, through setting up the sealing washer at the oil storage tank outer wall, seal protection to the oil storage tank, through clockwise rotation connecting rod, the connecting rod drives the connecting block and rotates, the outer wall of rotating connecting block and holder, fasten annular sealing pad and inflation strip, avoid the output shaft of reducing gear box to take place the condition of oil leak, lead to oil well construction potential safety hazard and the damaged condition to the reducing gear box, the life of reducing gear box has been increased.
Drawings
Fig. 1 is a schematic structural view of the present invention;
fig. 2 is an enlarged schematic structural view of the area a of fig. 1 in the present invention;
fig. 3 is the schematic diagram of the internal structure of the output shaft end cover of the present invention.
In the figure: 1. a reduction gearbox; 2. an output shaft gland; 3. an output shaft; 4. a bearing; 5. an oil return pipe; 6. An output shaft end cover; 7. a screw; 8. a through hole; 9. a connecting rod; 10. connecting blocks; 11. a clamping member; 12. An oil storage tank; 13. an oil guide groove; 14. a seal ring; 15. an expansion block; 16. lubricating sealing oil; 17. double-lip oil seal; 18. a fixing plate; 19. a spring; 20. a rubber pad; 21. a fixed block; 22. a cavity.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Examples
Referring to fig. 1-3, the present invention provides a technical solution: an oil leakage preventing device for an output shaft of a reduction gearbox of an oil pumping unit comprises a reduction gearbox 1 and an output shaft gland 2, wherein a bearing 4 is arranged inside one side of the reduction gearbox 1, an output shaft 3 is fixedly connected to the inner ring of the bearing 4, an output shaft end cover 6 is fixedly connected to the outer wall of the reduction gearbox 1, an oil guide groove 13 is arranged on the front surface of the reduction gearbox 1, one end of the oil guide groove 13 is communicated with an oil storage tank 12, one side of the lower part of the oil storage tank 12 is communicated with an oil return pipe 5, one side of the oil return pipe 5 is inserted into the reduction gearbox 1, a sealing ring 14 is fixedly connected to the outer wall of the oil storage tank 12, an expansion block 15 is fixedly connected to one side of the upper part of the sealing ring 14, a through hole 8 is formed inside the output shaft gland 2, the inner side of the, the outer wall laminating of connecting block 10 has holder 11, holder 11 is the zigzag, the upper portion outer wall of holder 11 laminates with the outer wall of inflation piece 15 mutually, the lower part outer wall of holder 11 laminates with the outer wall of sealing washer 14 mutually.
In this embodiment, specifically: the joint of the bearing 4 and the reduction gearbox 1 is provided with a double-lip oil seal 17, and the double-lip oil seal 17 is arranged to prevent oil in the reduction gearbox 1 from leaking outside through the bearing 4, so that the double-lip oil seal has a sealing effect.
In this embodiment, specifically: the rubber pad 20 is sleeved outside the output shaft end cover 6, one side of the rubber pad 20 is fixedly connected with a fixing block 21, the fixing block 21 is inserted into the output shaft end cover 6, the output shaft end cover 6 is protected by the rubber pad 20, and the fixing block 21 can move towards the inside of the output shaft end cover 6 when the rubber pad 20 is subjected to external force.
In this embodiment, specifically: the outer side wall fixedly connected with fixed plate 18 of fixed block 21, one side fixedly connected with spring 19 of fixed plate 18, the one end of spring 19 is connected with the inside wall of output shaft end cover 6, can cushion the extrusion of fixed plate 18 through spring 19, and the elastic potential energy of spring 19 can make fixed plate 18 reset.
In this embodiment, specifically: the outer wall of the output shaft 3, which is located inside the output shaft end cover 6, is provided with a cavity 22, the inside of the cavity 22 is provided with lubricating sealing oil 16, and the lubricating sealing oil 16 has the functions of lubrication, moisture prevention, sealing and the like, so that the outer wall of the output shaft 3 is protected in a sealing manner, and the oil is prevented from leaking out along the output shaft 3.
In this embodiment, specifically: the front surface of the output shaft end cover 6 is connected with an output shaft gland 2 through a screw 7 in a threaded manner, the output shaft 3 penetrates through the output shaft gland 2, and the output shaft end cover 6 and the output shaft gland 2 are fixed through the screw 7.
Working principle or structural principle, when in use, when the output shaft 3 rotates and operates, oil can leak from the reduction gearbox 1 through the output shaft 3, the leaked oil is collected through the oil guide groove 13 and then enters the oil storage tank 12, the oil in the oil storage tank 12 is guided into the reduction gearbox 1 through the oil return pipe 5, the leaked oil can be returned into the reduction gearbox 1 again, the oil storage tank 12 and the output shaft 3 are sealed through arranging the sealing ring 14 on the outer wall of the oil storage tank 12, heat can be generated in the rotating process of the output shaft 3, the expansion block 15 can expand to prevent the oil from leaking, the connecting rod 9 drives the connecting block 10 to rotate through clockwise rotating the connecting rod 9, when the connecting block 10 is rotated to be attached to the clamping piece 11, the clamping piece 11 is Z-shaped, the expansion block 15 is fastened with the sealing ring 14, the outer wall of the output shaft end cover 6 is sleeved with the rubber gasket 20, and when the output shaft end cover 6 is, rubber pad 20 will extrude fixed block 21 to inside, and fixed block 21 will receive pressure and pass to fixed plate 18, and fixed plate 18 extrudees spring 19, and the effectual outside pressure that has cushioned causes the influence to output shaft end cover 6, and when no external force, through the elastic potential energy of spring 19 messenger rubber pad 20 resets.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The utility model provides a beam-pumping unit reducing gear box output shaft leak protection oil device, includes reducing gear box (1) and output shaft gland (2), its characterized in that: the device is characterized in that a bearing (4) is installed inside one side of the reduction gearbox (1), an output shaft (3) is fixedly connected to the inner ring of the bearing (4), an output shaft end cover (6) is fixedly connected to the outer wall of the reduction gearbox (1), an oil guide groove (13) is arranged on the front surface of the reduction gearbox (1), one end of the oil guide groove (13) is communicated with an oil storage tank (12), an oil return pipe (5) is communicated with one side of the lower portion of the oil storage tank (12), one side of the oil return pipe (5) is inserted into the reduction gearbox (1), a sealing ring (14) is fixedly connected to the outer wall of the oil storage tank (12), an expansion block (15) is fixedly connected to one side of the upper portion of the sealing ring (14), a through hole (8) is formed in the output shaft gland (2), the inner side of the through hole (8) is in threaded connection with the outer side of the connecting, the outer wall laminating of connecting block (10) has holder (11), holder (11) are the zigzag, the upper portion outer wall of holder (11) laminates with the outer wall of inflation piece (15) mutually, the lower part outer wall of holder (11) laminates with the outer wall of sealing washer (14) mutually.
2. The oil leakage preventing device for the output shaft of the reduction gearbox of the oil pumping unit according to claim 1, which is characterized in that: and a double-lip oil seal (17) is arranged at the joint of the bearing (4) and the reduction gearbox (1).
3. The oil leakage preventing device for the output shaft of the reduction gearbox of the oil pumping unit according to claim 1, which is characterized in that: the rubber pad (20) is sleeved outside the output shaft end cover (6), one side of the rubber pad (20) is fixedly connected with a fixing block (21), and the fixing block (21) is inserted into the output shaft end cover (6).
4. The oil leakage preventing device of the output shaft of the reduction box of the oil pumping unit according to claim 3, which is characterized in that: the outer side wall fixedly connected with fixed plate (18) of fixed block (21), one side fixedly connected with spring (19) of fixed plate (18), the one end of spring (19) is connected with the inside wall of output shaft end cover (6).
5. The oil leakage preventing device for the output shaft of the reduction gearbox of the oil pumping unit according to claim 1, which is characterized in that: the outer wall of the output shaft (3) located inside the output shaft end cover (6) is provided with a cavity (22), and lubricating sealing oil (16) is arranged inside the cavity (22).
6. The oil leakage preventing device for the output shaft of the reduction gearbox of the oil pumping unit according to claim 1, which is characterized in that: the front surface of the output shaft end cover (6) is connected with an output shaft gland (2) through a screw (7) in a threaded mode, and the output shaft (3) penetrates through the output shaft gland (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921114963.9U CN210531574U (en) | 2019-07-16 | 2019-07-16 | Oil leakage prevention device for output shaft of reduction gearbox of oil pumping unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921114963.9U CN210531574U (en) | 2019-07-16 | 2019-07-16 | Oil leakage prevention device for output shaft of reduction gearbox of oil pumping unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210531574U true CN210531574U (en) | 2020-05-15 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921114963.9U Expired - Fee Related CN210531574U (en) | 2019-07-16 | 2019-07-16 | Oil leakage prevention device for output shaft of reduction gearbox of oil pumping unit |
Country Status (1)
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| CN (1) | CN210531574U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117267348A (en) * | 2023-09-26 | 2023-12-22 | 江苏万基传动科技有限公司 | Robot RV speed reducer with leakage-proof structure |
-
2019
- 2019-07-16 CN CN201921114963.9U patent/CN210531574U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117267348A (en) * | 2023-09-26 | 2023-12-22 | 江苏万基传动科技有限公司 | Robot RV speed reducer with leakage-proof structure |
| CN117267348B (en) * | 2023-09-26 | 2024-02-23 | 江苏万基传动科技有限公司 | Robot RV speed reducer with leakage-proof structure |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200515 Termination date: 20210716 |