CN212690789U

CN212690789U - Automatic backflow control device for gear oil leaked from output shaft of reduction gearbox of oil pumping unit

Info

Publication number: CN212690789U
Application number: CN202021118856.6U
Authority: CN
Inventors: 张建滨
Original assignee: Individual
Current assignee: Dongying Xinjuhe Petroleum Technology Co ltd
Priority date: 2020-06-17
Filing date: 2020-06-17
Publication date: 2021-03-12
Anticipated expiration: 2030-06-17

Abstract

The utility model relates to a beam-pumping unit reducing gear box equipment technical field specifically is automatic controlling means that flows back of beam-pumping unit reducing gear box output shaft seepage gear oil, including the reduction gear main part, the reduction gear main part is including reduction gear shell, and reduction gear shell's outside evenly distributed has an axle bed, every group the inside of axle bed is all inserted and is equipped with the output shaft main part, and every group the outside of output shaft main part is all overlapped and is established and install the oil blanket main part, the inside at the axle bed is inlayed to the oil blanket main part, the outside cover of axle bed is established and is. The utility model collects the leaked gear oil by arranging the annular outer cover, and the leaked gear oil is guided by the drainage tube to enter the oil storage tank through the shunt joint and is collected, and meanwhile, the oil storage amount in the oil storage tank is sensed by the liquid level automatic controller, and the gear oil is controlled to be pumped back into the reducer shell by the control oil pump, so that the waste of the gear oil is prevented, and the problem of the gear oil leakage is solved fundamentally; and simultaneously, the problem of environmental pollution caused by the fact that gear oil leaks to the ground is solved.

Description

Automatic backflow control device for gear oil leaked from output shaft of reduction gearbox of oil pumping unit

Technical Field

The utility model relates to a beam-pumping unit reducing gear box equipment technical field specifically is automatic controlling means that flows back of beam-pumping unit reducing gear box output shaft seepage gear oil.

Background

The pumping unit is a machine used for oil exploitation, also commonly called as a head knocking machine, is the most main lifting equipment in a sucker rod pumping system, and usually needs a reduction gearbox for power output conversion when power driving is carried out.

In the process of crude oil extraction, due to abrasion caused by long-time use, overlarge production design gap error of a reduction gearbox of the pumping unit and the like, the rotation part of an output shaft of the reduction gearbox of the pumping unit is easy to have gear oil leakage after being normally produced for a period of time, so that gear oil in the reduction gearbox needs to be periodically supplemented, the workload of oil extraction workers is increased while the oil extraction cost is wasted, and the gear oil leakage easily causes environmental pollution;

the problem of oil leakage is usually solved by replacing the output shaft of the reduction gearbox or replacing the oil seal of the output shaft in the prior art, in the operation process, the cost loss is too high, the output shaft and the oil seal are required to be stopped in the replacement process, so that the oil extraction efficiency is influenced, if the materials such as asbestos ropes and thread seal belts are adopted for matching and sealing, the oil leakage problem is not used for a long time and cannot be fundamentally solved, and therefore the automatic oil backflow control device for the output shaft of the reduction gearbox of the pumping unit is provided for solving the problem.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an automatic controlling means that flows back of beam-pumping unit reducing gear box output shaft seepage gear oil to solve the current beam-pumping unit that provides in the above-mentioned background art and carrying out the during operation, the output shaft of its reducing gear box receives rotatory wear with the junction of reducing gear box, and clearance error influences, and oil leak easily, increases oil recovery workman's work load when leading to the oil recovery cost to waste, and cost of maintenance is too big, and can't solve the problem of oil leak phenomenon at all.

In order to achieve the above object, the utility model provides a following technical scheme: automatic controlling means that flows back of beam-pumping unit reducing gear box output shaft seepage gear oil, including the reduction gear main part, the reduction gear main part is including reduction gear shell, and reduction gear shell's outside evenly distributed has the axle bed, every group the inside of axle bed is all inserted and is equipped with the output shaft main part, and every group the outside of output shaft main part is all overlapped and is established and install the oil blanket main part, the oil blanket main part is inlayed in the inside of axle bed, the outside cover of axle bed is established and is connected with oil leak backward flow mechanism, and oil leak backward flow mechanism is including annular dustcoat, the fixed cover of annular dustcoat is established in the junction outside of axle bed and output shaft main part, the fixed intercommunication in bottom of annular dustcoat has the drainage tube, and the fixed intercommunication in the other end of drainage tube has the reposition of redundant personnel joint, the bottom welding intercommunication of reposition of redundant personnel joint has the batch oil tank, and the one end position height of (2), fixed the inlaying has liquid level automatic control on the top inner wall of batch oil tank, and liquid level automatic control is including a cylinder section of thick bamboo, the welding has the spacing ring in the bottom opening of a cylinder section of thick bamboo, the inside of a cylinder section of thick bamboo is filled with hollow floater, and the diameter of hollow floater is greater than the diameter of the inside through-hole of spacing ring, it pushes away the post to insert to be equipped with in the top through-hole of a cylinder section of thick bamboo, the top outside fixed mounting of a cylinder section of thick bamboo touches and presses delay switch, reducer case's top fixed mounting has the oil pump, and the fixed intercommunication of the input of oil pump has back oil pipe, the other end fixed insertion that returns oil pipe establishes the inside below position of batch oil tank, the fixed intercommunication of the output of oil pump is in reducer.

Preferably, the outside cover of output shaft main part is established and is installed and scrape brush mechanism, and scrapes brush mechanism including the lantern ring, the fixed outside of establishing in the output shaft main part of lantern ring, the equidistance is fixed with six groups of stock on the outer wall of the lantern ring, and every group the one end that the lantern ring was kept away from to the stock all is fixed with the scraper blade, the scraper blade is inlayed in the inside of annular dustcoat, and the outside size of scraper blade and the inside size looks adaptation of annular dustcoat, the scraper blade rotates sliding connection with annular dustcoat.

Preferably, the middle position of the bottom of the annular outer cover is fixedly provided with a pressing mechanism, the pressing mechanism comprises a penetrating cylinder, the penetrating cylinder is fixedly communicated with the middle position of the bottom of the annular outer cover, one end of the penetrating cylinder, which is far away from the annular outer cover, is fixedly communicated with the drainage tube, oil conveying pipelines are symmetrically communicated on the outer wall of the penetrating cylinder, the other end of the oil pipeline is fixedly communicated with the outer wall of the bottom of the annular outer cover, a pressing block is inserted into a through hole at the upper part inside the penetrating cylinder, the outer side size of the pressing block is matched with the inner size of the penetrating cylinder, the pressing block is connected with the penetrating cylinder in a vertical sliding manner, one end of the pressing block close to the annular outer cover is in a smooth conical shape, a cross rod is fixedly welded at the middle position inside the penetrating cylinder, and the top of the cross rod is fixedly connected with a spring, and the other end of the spring is fixedly embedded at the bottom of the pressing block.

Preferably, the inner wall of the flow dividing joint is fixedly provided with a cloth strip, and the other end of the cloth strip extends to the bottom of the oil storage tank.

Preferably, the bottom of the oil storage tank is inclined, and the height of the position of one end, close to the oil return pipe, of the bottom of the oil storage tank is lower than the height of the position of one end, far away from the oil return pipe, of the bottom of the oil storage tank.

Preferably, the outer wall of the cylindrical barrel is uniformly provided with through holes, one end of the push column close to the hollow floating ball is fixed with a supporting block, and the supporting block is in an arc shape bent downwards.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the annular outer cover is arranged at the joint of the output shaft main body and the shaft seat in a sleeved mode, when oil leakage occurs, leaked gear oil can fall into the annular outer cover and enters the oil storage tank through the shunt joint under the guide of the drainage tube to be collected, the gear oil can be prevented from leaking, meanwhile, the oil storage amount in the oil storage tank is sensed through the liquid level automatic controller, the oil pump is controlled to pump the gear oil back into the shell of the speed reducer again, waste of the gear oil can be prevented, the problem of leakage of the gear oil can be solved fundamentally, and meanwhile, environmental pollution is avoided;

2. the scraper is embedded in the annular outer cover, when the output shaft main body rotates, the sleeve ring fixed on the outer side of the output shaft main body can be driven to rotate, the scraper is driven by the long rod to rotate the scraping brush in the annular outer cover, the gear oil scraping brush collected in the annular outer cover can be collected together, and the gear oil is prevented from being adhered to the inner wall of the annular outer cover;

3. install between annular dustcoat and drainage tube through setting up pressing mechanism for the scraper blade can continuously press the briquetting when annular dustcoat inside slip removes, under the elastic support effect of spring, makes the briquetting run through a section of thick bamboo inside reciprocating motion, through pressing down, makes and runs through a quick downstream of inside gear oil of section of thick bamboo from inside the entering of oil pipeline, is favorable to making the gear oil circulation smooth, prevents that gear oil from piling up the jam.

Description of the drawings:

in order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

FIG. 1 is a schematic sectional view of the front view of the structure of the present invention;

FIG. 2 is an enlarged schematic view of the structure at A in FIG. 1 according to the present invention;

FIG. 3 is a schematic sectional view of the liquid level automatic controller according to the present invention;

fig. 4 is a schematic side view of the structure of the scraping and brushing mechanism of the present invention.

In the figure: 100. a reducer body; 110. a reducer housing; 120. a shaft seat; 130. an output shaft main body; 140. an oil seal main body; 200. an oil leakage backflow mechanism; 210. an annular outer cover; 220. A drainage tube; 230. a tap joint; 240. an oil storage tank; 250. a liquid level automatic controller; 251. a cylindrical barrel; 252. a limiting ring; 253. a hollow floating ball; 254. pushing the column; 255. touching and pressing a delay switch; 260. an oil pump; 270. an oil return pipe; 280. a control box; 300. a scraping and brushing mechanism; 310. a collar; 320. a long rod; 330. a squeegee; 400. a pressing mechanism; 410. a through barrel; 420. an oil pipeline; 430. briquetting; 440. a cross bar; 450. a spring; 500. and (4) cloth strips.

The specific implementation mode is as follows:

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.

Referring to fig. 1-4, the present invention provides an embodiment: the automatic control device for the gear oil leakage of the output shaft of the reduction gearbox of the pumping unit comprises a speed reducer main body 100, wherein the speed reducer main body 100 comprises a speed reducer shell 110, shaft seats 120 are uniformly distributed on the outer side of the speed reducer shell 110, an output shaft main body 130 is inserted in each group of shaft seats 120, an oil seal main body 140 is sleeved on the outer side of each group of output shaft main bodies 130, the oil seal main body 140 is embedded in each group of shaft seats 120, an oil leakage backflow mechanism 200 is sleeved and connected on the outer side of each shaft seat 120, the oil leakage backflow mechanism 200 comprises an annular outer cover 210, the annular outer cover 210 is fixedly sleeved on the outer side of the joint of each shaft seat 120 and each output shaft main body 130, a drainage tube 220 is fixedly communicated with the bottom of the annular outer cover 210, a shunt joint 230 is fixedly communicated with the other end of the drainage tube 220, an oil storage tank 240, the position of one end of the drainage tube 220 close to the annular outer cover 210 is higher than the position of one end of the drainage tube 220 close to the shunt joint 230, a liquid level automatic controller 250 is fixedly embedded on the inner wall of the top of the oil storage tank 240, the liquid level automatic controller 250 comprises a cylindrical barrel 251, a limiting ring 252 is welded in an opening at the bottom of the cylindrical barrel 251, a hollow floating ball 253 is filled in the cylindrical barrel 251, the diameter of the hollow floating ball 253 is larger than that of a through hole in the limiting ring 252, a push column 254 is inserted in the through hole at the top of the cylindrical barrel 251, a touch pressure delay switch 255 is fixedly installed on the outer side of the top of the cylindrical barrel 251, an oil pump 260 is fixedly installed at the top of the reducer housing 110, an input end of the oil pump 260 is fixedly communicated with an oil return tube 270, the other end of the oil return tube 270 is fixedly inserted at the lower position in the oil storage tank, the top of the reducer casing 110 is fixedly provided with a control box 280, the control box 280 comprises a rectifier and a leakage protector, when in use, the annular outer cover 210 is arranged at the joint of the output shaft main body 130 and the shaft seat 120 in a sleeved mode, the gear oil leaked from the joint of the output shaft main body 130 and the shaft seat 120 can slide into the annular outer cover 210 under the action of gravity and is collected through the annular outer cover 210, the outward leakage of the gear oil is favorably prevented, the environmental pollution caused by the direct falling of the gear oil is prevented, meanwhile, the bottom of the annular outer cover 210 is communicated with the inside of the shunt joint 230 through the drainage tube 220, the gear oil collected inside the annular outer cover 210 falls into the inside of the oil storage tank 240 through the communication between the shunt joint 230 and the oil storage tank 240, and the leakage waste of the gear oil is effectively prevented, meanwhile, when too much gear oil is collected in the oil storage tank 240, and when the gear oil overflows the liquid level automatic controller 250, under the action of buoyancy, the hollow floating ball 253 moves upwards to push the push column 254, so that the push column 254 pushes upwards to press and touch the touch delay switch 255, the oil pump 260 is controlled to be powered on and started through the touch delay switch 255, the gear oil in the oil storage tank 240 is pumped into the reducer shell 110 through the oil return pipe 270, the gear oil can automatically flow back into the reducer shell 110 when too much gear oil is collected, the problem of gear oil leakage is fundamentally solved, the gear oil adding operation of a worker for multiple times is avoided, the device does not need to replace the output shaft main body 130 and the oil seal main body 140, the cost loss of solving the problem of gear oil leakage is effectively reduced, and the device is effective for a long time;

further, the outer side of the output shaft main body 130 is sleeved with the scraping mechanism 300, and the scraping mechanism 300 includes a sleeve ring 310, the sleeve ring 310 is fixedly sleeved on the outer side of the output shaft main body 130, six groups of long rods 320 are equidistantly fixed on the outer wall of the sleeve ring 310, and one end of each group of long rods 320, which is far away from the sleeve ring 310, is fixed with a scraper 330, the scraper 330 is embedded inside the annular outer cover 210, the outer side dimension of the scraper 330 is matched with the inner dimension of the annular outer cover 210, the scraper 330 is connected with the annular outer cover 210 in a rotating and sliding manner, in operation, when the output shaft main body 130 rotates, the sleeve ring 310 fixed on the outer side is driven to rotate by the rotation of the output shaft main body 130, the scraper 330 rotates inside the annular outer cover 210 by the connection of the long rods 320, so as to scrape the gear oil inside the annular outer cover 210, the leaked gear oil flows fast, and the, the gear oil is prevented from being stuck on the inner wall of the annular outer cover 210;

further, a pressing mechanism 400 is fixedly installed at the middle position of the bottom of the annular outer cover 210, the pressing mechanism 400 comprises a through cylinder 410, the through cylinder 410 is fixedly communicated with the middle position of the bottom of the annular outer cover 210, one end of the through cylinder 410, which is far away from the annular outer cover 210, is fixedly communicated with the drainage tube 220, oil pipelines 420 are symmetrically communicated with the outer wall of the through cylinder 410, the other end of the oil pipeline 420 is fixedly communicated with the outer wall of the bottom of the annular outer cover 210, a pressing block 430 is inserted into a through hole in the upper portion of the inside of the through cylinder 410, the outer side of the pressing block 430 is matched with the inner size of the through cylinder 410, the pressing block 430 is in up-and-down sliding connection with the through cylinder 410, one end, close to the annular outer cover 210, of the pressing block 430 is in a smooth conical shape, a cross rod 440 is fixedly welded at the middle position of the inside of the through, when the gear oil drainage device works, gear oil in the annular outer cover 210 enters the inside of the through cylinder 410 from the inside of the oil pipeline 420 under the scraping pushing action of the scraper 330 in cooperation with the gravity action, after the scraper 330 rotates and presses the pressing block 430, the pressing block 430 slides downwards in the inside of the through cylinder 410 under the extrusion action of the scraper 330, and the gear oil penetrating the inside of the cylinder 410 moves downwards quickly through the pressing pushing action of the pressing block 430, so that the gear oil is discharged quickly along the drainage tube 220, and the gear oil is prevented from being accumulated and blocked in the drainage tube 220;

furthermore, the inner wall of the flow dividing joint 230 is fixedly provided with the cloth strip 500, the other end of the cloth strip 500 extends to the bottom of the oil storage tank 240, the cloth strip 500 is fixed inside the flow dividing joint 230, and the gear oil entering the flow dividing joint 230 can fall down along the cloth strip 500 under the guidance of the cloth strip 500, so that the gear oil is prevented from splashing inside the oil storage tank 240 when the gear oil falls at an excessively high speed, the stability of the device for collecting the gear oil is favorably ensured, and the gear oil collected inside the oil storage tank 240 is favorably precipitated under the standing effect;

furthermore, the bottom of the oil storage tank 240 is inclined, the height of the end of the bottom of the oil storage tank 240 close to the oil return pipe 270 is lower than the height of the end of the bottom of the oil storage tank 240 far away from the oil return pipe 270, and by arranging the inclined bottom of the oil storage tank 240, in the use process of the device, gear oil in the oil storage tank 240 can be gathered at the lower end of the oil return pipe 270 along the bottom of the oil storage tank 240, so that the oil can be extracted completely when the oil return pipe 270 pumps oil, and the gear oil is prevented from being flatly accumulated at the bottom of the oil storage tank 240;

furthermore, through holes are uniformly formed in the outer wall of the cylindrical barrel 251, a supporting block is fixed at one end, close to the hollow floating ball 253, of the push column 254, the supporting block is in a shape of a circular arc bent downwards, through the arrangement of the through holes uniformly formed in the outer wall of the cylindrical barrel 251, the hollow floating ball 253 can be in comprehensive contact with gear oil, sufficient buoyancy is provided for the hollow floating ball 253 when the gear oil is full, through the arrangement of the arc-shaped supporting block welded to the bottom of the push column 254, the bottom of the push column 254 is enabled to be more attached to the hollow floating ball 253 when in contact, and the push column 254 is enabled to be stably jacked up;

the working principle is as follows: when the gear oil scraper works, under the continuous rotation process of the output shaft main body 130, gear oil leaks out from the connection part of the output shaft main body 130 and the shaft seat 120, slides into the annular outer cover 210 under the action of gravity, slides downwards into the oil pipeline 420 along the inner wall of the annular outer cover 210, and enters the penetrating cylinder 410 under the guidance of the oil pipeline 420;

when the scraper 330 passes the top of the pressing block 430 in the sliding and rotating process, the pressing block 430 moves downwards in the penetrating cylinder 410 under the pressing action, after the scraper 330 slides the top of the pressing block 430, the pressing block 430 moves up and down in the penetrating cylinder 410 in a reciprocating way under the elastic support of the spring 450, and through the continuous reciprocating pressing of the pressing block 430, under the reciprocating pushing action, gear oil penetrating the inside of the cylinder 410 rapidly flows along the drainage tube 220 and enters the inside of the oil storage tank 240 along the cloth strip 500 through the flow dividing joint 230 to be collected;

when the inside gear oil of oil storage tank 240 collects enough much, gear oil crosses liquid level automatic control 250, gear oil gets into the inside of a cylinder 251 through the through-hole of seting up on the outer wall of a cylinder 251 and the middle through-hole of spacing ring 252, under the buoyancy of gear oil, make hollow floater 253 upwards float, promote the pillar 254 rebound, press and touch time delay switch 255, touch time delay switch 255 and control oil pump 260 circular telegram after being touched and start a period, under the circular telegram work of oil pump 260, pass through the inside of returning oil pipe 270 suction reduction gear housing 110 with the inside gear oil of oil storage tank 240, the above is the utility model discloses a whole theory of operation.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. Automatic controlling means that flows back of beam-pumping unit reducing gear box output shaft seepage gear oil, including reduction gear main part (100), its characterized in that: the reducer body (100) comprises a reducer shell (110), shaft seats (120) are uniformly distributed on the outer side of the reducer shell (110), an output shaft body (130) is inserted into the shaft seat (120) of each group, an oil seal body (140) is sleeved on the outer side of the output shaft body (130) of each group, the oil seal body (140) is embedded in the shaft seat (120), an oil leakage backflow mechanism (200) is sleeved on the outer side of the shaft seat (120), the oil leakage backflow mechanism (200) comprises an annular outer cover (210), the annular outer cover (210) is fixedly sleeved on the outer side of the joint of the shaft seat (120) and the output shaft body (130), a drainage tube (220) is fixedly communicated with the bottom of the annular outer cover (210), a shunt joint (230) is fixedly communicated with the other end of the drainage tube (220), and an oil storage tank (240) is welded and communicated with the bottom of the shunt joint (230), the oil storage tank (240) is fixedly welded at the lower position of the speed reducer shell (110), one end of the drainage tube (220) close to the annular outer cover (210) is higher than one end of the drainage tube (220) close to the flow dividing joint (230), the inner wall of the top of the oil storage tank (240) is fixedly embedded with an automatic liquid level controller (250), the automatic liquid level controller (250) comprises a cylindrical barrel (251), a limiting ring (252) is welded in an opening at the bottom of the cylindrical barrel (251), a hollow floating ball (253) is filled in the cylindrical barrel (251), the diameter of the hollow floating ball (253) is larger than that of an inner through hole of the limiting ring (252), a push column (254) is inserted in the through hole at the top of the cylindrical barrel (251), a touch delay switch (255) is fixedly installed on the outer side of the top of the cylindrical barrel (251), and an oil pump (260) is fixedly installed at the top of the speed reducer shell (110), and the input of oil pump (260) is fixed the intercommunication has oil return pipe (270), the other end of oil return pipe (270) is fixed to be inserted and is established the inside below position of batch oil tank (240), the fixed inside at reduction gear shell (110) of intercommunication of output of oil pump (260), the top fixed mounting of reduction gear shell (110) has control box (280).

2. The automatic control device for the gear oil leakage of the output shaft of the reduction gearbox of the pumping unit according to claim 1, characterized in that: the utility model discloses a scraper blade, including output shaft main part (130), the outside cover of output shaft main part (130) is established and is installed and scrape brush mechanism (300), and scrapes brush mechanism (300) including lantern ring (310), the outside at output shaft main part (130) is established to lantern ring (310) fixed cover, the equidistance is fixed with six groups stock (320) on the outer wall of lantern ring (310), and every group stock (320) keep away from the one end of lantern ring (310) and all are fixed with scraper blade (330), scraper blade (330) are inlayed in the inside of annular dustcoat (210), and the outside size of scraper blade (330) and the inside dimension looks adaptation of annular dustcoat (210), scraper blade (330) and annular dustcoat (210) rotate sliding connection.

3. The automatic control device for the gear oil leakage of the output shaft of the reduction gearbox of the pumping unit according to claim 1, characterized in that: the bottom middle position of annular dustcoat (210) fixed mounting has pressing mechanism (400), and pressing mechanism (400) including running through a section of thick bamboo (410), run through a section of thick bamboo (410) fixed intercommunication in the bottom middle position of annular dustcoat (210), run through a section of thick bamboo (410) and keep away from the fixed intercommunication of one end of annular dustcoat (210) on drainage tube (220), it has oil pipeline (420) to run through symmetrical intercommunication on the outer wall of a section of thick bamboo (410), and the other end of oil pipeline (420) is fixed to be communicated on the bottom outer wall of annular dustcoat (210), it is equipped with briquetting (430) to run through the inside top through-hole of a section of thick bamboo (410) to insert in, and the outside size of briquetting (430) and the inside size looks adaptation that runs through a section of thick bamboo (410), briquetting (430) and the section of thick bamboo (410) sliding connection from top to bottom of running through, briquetting (430) are close to the one end of, the inside intermediate position of running through a section of thick bamboo (410) fixedly welded has horizontal pole (440), and the top fixedly connected with spring (450) of horizontal pole (440), the other end of spring (450) is fixed inlays in the bottom of briquetting (430).

4. The automatic control device for the gear oil leakage of the output shaft of the reduction gearbox of the pumping unit according to claim 1, characterized in that: the inner wall of the flow dividing joint (230) is fixedly provided with a cloth strip (500), and the other end of the cloth strip (500) extends to the bottom of the oil storage tank (240).

5. The automatic control device for the gear oil leakage of the output shaft of the reduction gearbox of the pumping unit according to claim 1, characterized in that: the bottom of oil storage tank (240) is the slope form, the one end position height that oil storage tank (240) bottom is close to in time oil pipe (270) is less than the one end position height that oil storage tank (240) bottom kept away from time oil pipe (270).

6. The automatic control device for the gear oil leakage of the output shaft of the reduction gearbox of the pumping unit according to claim 1, characterized in that: through holes are uniformly formed in the outer wall of the cylindrical barrel (251), a supporting block is fixed at one end, close to the hollow floating ball (253), of the push column (254), and the supporting block is in an arc shape which is bent downwards.