CN210219257U - Long-acting automatic lubricating device for central shaft and tail shaft of oil pumping unit - Google Patents
Long-acting automatic lubricating device for central shaft and tail shaft of oil pumping unit Download PDFInfo
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- CN210219257U CN210219257U CN201920989239.4U CN201920989239U CN210219257U CN 210219257 U CN210219257 U CN 210219257U CN 201920989239 U CN201920989239 U CN 201920989239U CN 210219257 U CN210219257 U CN 210219257U
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Abstract
The utility model relates to a long-term automatic lubrication installation of beam-pumping unit axis and tail-shaft, store up bucket, plunger type oiling mechanism and cam-type drive mechanism including lubricating grease, lubricating grease stores up bucket and beam-pumping unit in, the tail-shaft bearing frame intercommunication, cam-type drive mechanism includes that the cam presses handle, shifting block, ratchet, sector gear, gear wheel and cam, and ratchet and sector gear are coaxial, and gear wheel and cam are coaxial, only set up 3-5 teeth on sector gear's the excircle, constitute the cam drive structure of big reduction ratio behind sector gear and the gear wheel meshing, the cam touches with the plunger flange of plunger type oiling mechanism and connects, and the cam is pressed and is constituted automatic lubrication installation's power source structure through flexonics and crossbeam or leg joint. Has the advantages that: the utility model discloses utilize the cam drive structure extrusion plunger of big reduction ratio, can guarantee only continuously to provide a small amount of lubricating grease in unit interval when the beam-pumping unit operates, can guarantee automatic lubrication 5 years.
Description
Technical Field
The utility model belongs to the technical field of engineering machine tool, especially, relate to a long-term automatic lubrication installation of beam-pumping unit axis and tailshaft.
Background
The beam pumping unit is the most extensive lifting equipment used for extracting crude oil in an oil field, and continuously works in the field for years, and the lubrication of key parts is a difficult problem which is troubled in the industry. After poor lubrication causes equipment failure, not only is the repair cost high, but also the crude oil production is directly influenced. Especially, the central shaft and the tail shaft of the walking beam are used as key lubricating points of the oil pumping unit, and the lubricating operation of the operation position is very inconvenient because the position is at the highest position of the equipment, generally 5-6 meters away from the ground or even higher. Workers face a significant operational risk.
Two solutions appear in recent years, one is to connect the grease inlet of the middle tail shaft into an oil pipe, and the oil pipe is led down by a bracket and extends to the ground. And when lubricating grease is filled, a high-pressure grease filling machine is adopted for filling. Because the pipeline is as long as more than 10 meters, the friction in the pipeline can also achieve the aim when the pipeline is just started, but the existence of dead oil in the pipeline during subsequent filling causes the filling pressure to be very high, even the pipeline cannot be filled. The pipeline of the mode passes through the large parts of the pumping unit such as the walking beam, the bracket, the ground disc and the like, and the pipeline is basically damaged once the pumping unit is disassembled, so the pipeline can be damaged once the pumping unit is replaced by an oil well or hoisted for other reasons. The other solution is that the lifting handle is used for lifting the handle to send the handle to the high altitude for replacing the lubricating oil, the operation time is long, the cost is high, and the popularization value is not achieved.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome the not enough of above-mentioned technique, and provide a long-term automatic lubrication device of beam-pumping unit axis and tail-shaft, mainly use the lubrication at axis, the tail-shaft of beam-pumping unit, automatic lubrication device one-time erection just can guarantee that beam-pumping unit continuous operation lasts the fuel feeding for 5 years, and the workman need not frequently ascend a height and carry out the oiling of tail-shaft in the beam-pumping unit.
The utility model discloses a realize above-mentioned purpose, adopt following technical scheme: the utility model provides a long-term automatic lubricating arrangement of beam-pumping unit axis and tail-shaft, includes base on the beam-pumping unit walking beam and the bearing frame on the well, the tail-shaft, characterized by: the automatic lubricating device comprises a lubricating grease storage barrel, a plunger type oiling mechanism and a cam type transmission mechanism, the lubricating grease storage barrel is communicated with bearing seats on the middle shaft and the tail shaft through a hose, the cam type transmission mechanism comprises a cam pressing handle, a ratchet wheel, a sector gear, a large gear and a cam, the ratchet wheel is coaxial with the sector gear, the large gear is coaxial with the cam, only 3-5 teeth are arranged on the excircle of the sector gear, the sector gear is meshed with the large gear to form a cam transmission structure with a large reduction ratio, the cam is in contact connection with a plunger flange of the plunger type oiling mechanism, and the cam pressing handle of the cam type transmission mechanism is connected with a cross beam or a support through a flexible connecting piece to form a power source structure of the automatic lubricating device.
The sector gear and the ratchet wheel of the cam type transmission mechanism are coaxially and fixedly connected on a ratchet wheel shaft, the ratchet wheel is supported on a left side plate and a right side plate through the ratchet wheel shaft, the sector gear is meshed with a large gear, the large gear and the cam are coaxially and fixedly connected on a cam shaft, the cam shaft is supported on the left side plate and the right side plate, the cam is in sliding contact with a plunger flange, a spring is sleeved between the plunger flange and a plunger pump body, the plunger is in sliding connection in the plunger pump body, an oil inlet of the plunger pump body is communicated with a lubricating grease storage barrel, an oil outlet of the plunger pump body is communicated with a bearing seat through an oil outlet hose, a cam pressing handle is supported on the left side plate and the right side plate through a pressing shaft, long grooves are formed in the left side plate and the right side plate, a sliding pin is supported in the long grooves, a left shifting block and a right shifting block are, the left side plate and the right side plate are fixedly connected through an upper transverse plate and a lower transverse plate to form a frame type structure.
The lubricating grease storage barrel is characterized in that a piston disc for pushing lubricating grease to move is connected in a sliding mode in a lubricating grease storage cavity of the lubricating grease storage barrel, an extrusion spring set is arranged on the back face of the piston disc, and a plurality of springs are arranged in parallel at intervals in the extrusion spring set.
The lubricating grease storage barrel is characterized in that an oil return port for recovering dirty grease is formed in the bottom of the lubricating grease storage barrel, and the oil return port is communicated with the bearing seat through an oil return hose.
Has the advantages that: compared with the prior art, the utility model discloses an installation once, can guarantee that beam-pumping unit continuous operation five years is lubricated good, the workman need not frequently ascend a height to go to do the lubrication of well tail-shaft. The self-running of the oil pumping unit is used as a power source for pumping lubricating grease, no additional power source is needed, and the method is simple and reliable. The dirty lubricating grease can be recovered to the device while injecting new lubricating grease, and the lubricating condition is ensured to be good. The plunger is extruded by the cam transmission structure with a large reduction ratio, so that a small amount of lubricating grease can be supplied only when the pumping unit operates, and the lubricating is stopped when the pumping unit stops, so that the device can be ensured to supply only a small amount of lubricating grease each time, and can be ensured to supply oil continuously for 5 years.
Drawings
Fig. 1 is a schematic structural diagram of the present invention;
FIG. 2 is a schematic view of the connection between the grease reservoir and the cam-type transmission mechanism;
FIG. 3 is a schematic view of the position of the pumping unit to mount the present invention;
FIG. 4 is a schematic view showing the positional relationship among the cam pressing handle, the shifting block and the ratchet;
FIG. 5 is a side sectional view of FIG. 4;
FIG. 6 is a schematic view of the positions of the tumbler pins and the slide pins on the left and right tumblers;
FIG. 7 is a schematic structural view of the shift pin and the slide pin on the left and right blocks.
In the figure: 1. the lubricating grease storage barrel comprises a base, 2, a lubricating grease storage barrel, 3, a bolt, 4, a ratchet wheel, 5, a sector gear, 6, a left shifting block, a right shifting block, 7, a shifting pin, 8, a sliding pin, 9, a pressing handle shaft, 10, a cam pressing handle, 11, a gearwheel, 12, a cam, 13, a camshaft, 14, a plunger, 14-1, an oil outlet, 14-2, an oil inlet, 15, an extrusion spring set, 16, a piston disc, 17, a lubricating grease storage cavity, 18, a plunger pump body, 19, a left side plate, 19-1, a side plate long groove, 20, a right side plate, 21, a spring, 22, a ratchet wheel shaft, 23, an oil return hose, 24, a hose, 25, a pump body, 26, a pumping unit bearing seat, 27 and a flexible.
Detailed Description
The following detailed description of the preferred embodiments is provided for the purpose of illustrating the invention.
Referring to the attached drawings in detail, the embodiment provides a long-acting automatic lubricating device for a middle shaft and a tail shaft of a pumping unit, which comprises a base 1 on a walking beam of the walking beam pumping unit and bearing seats 26 on the middle shaft and the tail shaft, wherein the base is fixedly connected with the automatic lubricating device, the automatic lubricating device comprises a lubricating grease storage barrel 2, a plunger type oil injection mechanism and a cam type transmission mechanism, the lubricating grease storage barrel is communicated with the bearing seats on the middle shaft and the tail shaft through a hose 24, the cam type transmission mechanism comprises a cam pressing handle 10, a ratchet wheel 4, a sector gear 5, a large gear 11 and a cam 12, the ratchet wheel is coaxial with the sector gear, the large gear is coaxial with the cam, only 3-5 teeth are arranged on an excircle of the sector gear, the sector gear is meshed with the large gear to form a cam transmission structure with a large reduction ratio, the cam is in contact with a plunger 14 flange of the plunger type oil injection mechanism, and the cam The power source structure of (1). The plunger type oil injection mechanism, the cam type transmission mechanism and the power source structure are arranged in the pump body 25, and the pump body is fixedly connected with the lubricating grease storage barrel.
The preferable scheme of the embodiment is that a sector gear 5 and a ratchet 4 of the cam type transmission mechanism are coaxially and fixedly connected on a ratchet shaft 22, the ratchet is supported on a left side plate 19 and a right side plate 20 through the ratchet shaft, the sector gear 5 is meshed with a gearwheel 11, the gearwheel 11 and a cam 12 are coaxially and fixedly connected on a cam shaft 13, the cam shaft 13 is supported on a left side plate and a right side plate, the cam 12 is in sliding contact with a plunger 14 flange, a spring 21 is sleeved between the plunger 14 flange and a plunger pump body 18, the plunger is in sliding connection in the plunger pump body 18, an oil inlet 14-2 of the plunger pump body is communicated with a lubricating grease storage barrel 2, an oil outlet of the plunger pump body is communicated with a bearing seat through an oil outlet hose 24, a cam pressing handle 10 is supported on the left side plate 19 and the right side plate 20 through a pressing handle shaft 9, long groove side plates 19-1 are arranged on the left, the sliding pin slides in the long groove of the side plate, a left shifting block and a right shifting block 6 are fixedly connected to the sliding pin 8, the ratchet wheel is arranged between the left shifting block and the right shifting block, a shifting pin 7 is fixedly connected to the left shifting block and the right shifting block, the shifting pin 7 is positioned between the ratchets of the ratchet wheel 4, and a left side plate 19 and a right side plate 20 are fixedly connected through an upper transverse plate and a lower transverse plate to form a frame structure.
The preferable scheme of this embodiment is that a piston disc 16 for pushing the grease to move is slidably connected in the grease storage chamber of the grease storage barrel, an extrusion spring set 15 is arranged on the back of the piston disc, and a plurality of springs are arranged in parallel at intervals in the extrusion spring set.
The preferable scheme of this embodiment is that the lubricating grease storage barrel bottom is equipped with the oil return opening of retrieving dirty grease, the oil return opening passes through oil return hose 23 and bearing frame intercommunication.
Examples
Automatic lubricating device structure
The structure comprises a pump body 25, a cam type transmission mechanism and a pipeline. The pump body is connected with the pumping unit body through a base 1 by bolts 3 and is used for bearing a lubricating grease storage barrel 2 and a cam pump assembly. The cam pump assembly realizes the pumping of lubricating grease by utilizing the power of the swing of a walking beam of the pumping unit, wherein a cam press handle 10 is arranged on a left side plate 19 and a right side plate 20 through a press handle shaft 9, the middle part of a sliding pin 8 is fixed on a shifting block 6, and two ends of the sliding pin are arranged in sliding grooves of the left side plate 19 and the right side plate 20. Two ends of the shifting pin 7 are fixed on the shifting block 6, and the middle part is positioned in the ratchet groove of the ratchet wheel 4. The sector gear 5 and the ratchet 4 are fixed to the ratchet shaft 22. The sector gear 5 meshes with a gearwheel 11. The large gear 11 and the cam 12 are mounted on a cam shaft 13, the cam 12 is in sliding contact with the plunger 14, and the spring 21 is sleeved between the flange of the plunger 14 and the plunger pump body 18. An oil inlet of the plunger pump body 18 is communicated with the lubricating grease storage barrel 2, and an oil outlet is communicated with the oil outlet hose 24 and communicated with an oil filling port of the bearing seat.
The grease storage chamber 17 of the grease reservoir 2 stores grease and pushes the piston disc 16 by pressing the spring pack 15, which pushes the grease toward the oil inlet of the plunger pump body 18. The oil return port is connected with an oil return hose 23, and the other end of the oil return hose 23 is connected with an oil outlet of the bearing seat.
Referring to fig. 3 in detail, the automatic lubricating device is installed at the bottom of the beam of the pumping unit near the middle bearing seat and the tail bearing seat, one end of the flexible connecting piece 27 (such as a rope or a chain) is connected with the cam pressing handle 10, and the other end is connected with the beam or the bracket.
Principle and process of operation
When the pumping unit operates, the walking beam swings around the central axis, the flexible part pulls the cam pressing handle 10, the profile surface change of the upper surface of the cam pressing handle pushes the sliding pin 8 to move up and down along the sliding grooves of the left side plate 19 and the right side plate 20, the toggle pin 7 on the left and right toggle blocks 6 also moves up and down, and the toggle pin pushes the ratchet wheel 4 to rotate in one direction. The ratchet wheel 4 drives the sector gear 5 to rotate, 3-5 teeth are designed on the sector gear 5, speed reduction is completed when the sector gear is meshed with the large gear 11, large reduction ratio can ensure that the sector gear idles most of time, and therefore little butter enters each time. The fan-shaped gear wheel only works by 3-5 teeth in one circle, the large gear wheel is driven to rotate once, the grease squeezing frequency is reduced, the small amount of automatic lubricating grease is ensured to be injected, and the period can be maintained for 3-5 years. The big gear 11 drives the cam 12 to rotate, the spring 21 is compressed through the profile change of the cam 12, and the plunger 14 descends to press the lubricating grease in the pump out of the hose 24 and enter the bearing seat. After the grease in the oil storage barrel is reduced, the pressing spring set 15 pushes the piston plate 16 to keep a certain pressure in the oil storage barrel, and the grease can continuously enter the plunger pump body 18, is compressed by the plunger 14, passes through the hose 24 and is injected into the bearing seat 26. An oil outlet at the other side of the bearing seat is connected with an oil inlet of the oil storage barrel through a hose 23, and redundant waste engine oil in the bearing seat is squeezed back to the oil storage barrel 2.
The engine oil stored in the oil storage barrel 2 is enough for 5 years of usage of the pumping unit, and the middle-tail bearing is not lubricated any more in the period. When the engine oil in the oil storage barrel is used up, the oil storage barrel is opened, the recovered waste engine oil is cleaned, and the new engine oil is injected to continue to be used.
The characteristics of the utility model
1. A cam shifting block and ratchet wheel structure is adopted to convert the swing of the walking beam into unidirectional movement of the ratchet wheel;
2. the large-speed-ratio deceleration is realized by adopting a mode of meshing a sector gear and a large gear;
3. the cam and the plunger are in contact motion to pump lubricating grease;
4. the lubricating grease storage barrel is provided with an oil return port for recovering dirty grease.
The above detailed description of the long-acting automatic lubricating device for the middle shaft and the tail shaft of the pumping unit with reference to the embodiments is illustrative and not restrictive, and several embodiments can be enumerated according to the limited scope, so that changes and modifications without departing from the general concept of the present invention shall fall within the protection scope of the present invention.
Claims (4)
1. A long-acting automatic lubricating device for a middle shaft and a tail shaft of an oil pumping unit is characterized in that: the lubricating grease storage barrel is communicated with bearing seats on a middle shaft and a tail shaft of the beam pumping unit through hoses, the cam type transmission mechanism comprises a cam pressing handle, a ratchet wheel, a shifting block, a sector gear, a large gear and a cam, the ratchet wheel is coaxial with the sector gear, the large gear is coaxial with the cam, only 3-5 teeth are arranged on the excircle of the sector gear, the sector gear is meshed with the large gear to form a cam transmission structure with a large reduction ratio, the cam is in contact with a plunger flange of the plunger type oil injection mechanism, and the cam pressing handle of the cam type transmission mechanism is connected with a beam or a support of the beam pumping unit through a flexible connecting piece to form a power source structure of the automatic lubricating device.
2. The long-acting automatic lubricating device for the middle shaft and the tail shaft of the oil pumping unit according to claim 1, which is characterized in that: the sector gear and the ratchet wheel of the cam type transmission mechanism are coaxially and fixedly connected on a ratchet wheel shaft, the ratchet wheel is supported on a left side plate and a right side plate through the ratchet wheel shaft, the sector gear is meshed with a large gear, the large gear and the cam are coaxially and fixedly connected on a cam shaft, the cam shaft is supported on the left side plate and the right side plate, the cam is in sliding contact with a plunger flange, a spring is sleeved between the plunger flange and a plunger pump body, the plunger is in sliding connection in the plunger pump body, an oil inlet of the plunger pump body is communicated with a lubricating grease storage barrel, an oil outlet of the plunger pump body is communicated with a bearing seat through an oil outlet hose, a cam pressing handle is supported on the left side plate and the right side plate through a pressing shaft, long grooves are formed in the left side plate and the right side plate, a sliding pin is supported in the long grooves, a left shifting block and a right shifting block are, the left side plate and the right side plate are fixedly connected through an upper transverse plate and a lower transverse plate to form a frame type structure.
3. The long-acting automatic lubricating device for the middle shaft and the tail shaft of the oil pumping unit according to claim 1, which is characterized in that: the lubricating grease storage barrel is characterized in that a piston disc for pushing lubricating grease to move is connected in a sliding mode in a lubricating grease storage cavity of the lubricating grease storage barrel, an extrusion spring set is arranged on the back face of the piston disc, and a plurality of springs are arranged in parallel at intervals in the extrusion spring set.
4. The long-acting automatic lubricating device for the middle shaft and the tail shaft of the oil pumping unit according to claim 1 or 3, which is characterized in that: the lubricating grease storage barrel is characterized in that an oil return port for recovering dirty grease is formed in the bottom of the lubricating grease storage barrel, and the oil return port is communicated with the bearing seat through an oil return hose.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920989239.4U CN210219257U (en) | 2019-06-27 | 2019-06-27 | Long-acting automatic lubricating device for central shaft and tail shaft of oil pumping unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920989239.4U CN210219257U (en) | 2019-06-27 | 2019-06-27 | Long-acting automatic lubricating device for central shaft and tail shaft of oil pumping unit |
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| Publication Number | Publication Date |
|---|---|
| CN210219257U true CN210219257U (en) | 2020-03-31 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201920989239.4U Active CN210219257U (en) | 2019-06-27 | 2019-06-27 | Long-acting automatic lubricating device for central shaft and tail shaft of oil pumping unit |
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| CN (1) | CN210219257U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110220103A (en) * | 2019-06-27 | 2019-09-10 | 天津五一机电设备有限公司 | Pumping unit axis and the long-acting automatic lubrication installation of tailing axle |
-
2019
- 2019-06-27 CN CN201920989239.4U patent/CN210219257U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110220103A (en) * | 2019-06-27 | 2019-09-10 | 天津五一机电设备有限公司 | Pumping unit axis and the long-acting automatic lubrication installation of tailing axle |
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