CN212079591U

CN212079591U - Self-rotating flow oil pump

Info

Publication number: CN212079591U
Application number: CN202020613242.9U
Authority: CN
Inventors: 魏福芝; 刘志振; 韩华林; 郑济峰; 薛嘉林; 刘永明; 王元元
Original assignee: Shandong Yukos Petroleum Equipment Co ltd
Current assignee: Shandong Yukos Petroleum Equipment Co ltd
Priority date: 2020-04-22
Filing date: 2020-04-22
Publication date: 2020-12-04
Anticipated expiration: 2030-04-22

Abstract

The utility model discloses an from rotating current oil pump, including the oil-well pump main part, the lower extreme of oil-well pump main part is provided with the mount pad, and the pump barrel is installed to the upper end of oil-well pump main part, and pump barrel internally mounted has the plunger, the standing valve is installed to oil-well pump main part bottom, and first ejector pin is installed to the standing valve upper end, and first ejector pin surface parcel has reset spring, oil-well pump main part internally mounted has low traveling valve, and the fastening coupling is installed to low traveling valve bottom, the bush is installed at the inner wall both ends of oil-well pump main part, and the internally mounted of oil-well pump main part has the. The utility model discloses an increased rotatory stopcock in the plunger lower part, at the swabbing in-process, it is rotatory that the component force that relies on the impact force production of well liquid drives the plunger, and plunger upper portion adopts the free rotation of union joint realization plunger with the sucker rod, has solved plunger pump barrel eccentric wear phenomenon in the inclined shaft.

Description

Self-rotating flow oil pump

Technical Field

The utility model relates to an oil-well pump machinery technical field specifically is a from rotating current oil pump.

Background

The oil well pump is a downhole device driven by the oil pumping unit to lift crude oil in a well to the ground. The ordinary oil pump is mainly composed of pump barrel, suction valve, piston and discharge valve. The oil well pump can be divided into a tube pump and a rod pump according to the underground fixing mode of the oil well pump. The tubular pump is also called oil pipe pump, and features that the outer cylinder, bush and suction valve are assembled on ground and connected to the lower part of oil pipe, and then the piston with discharge valve is lowered into the pump via oil pipe. The rod-type oil-well pump is also called insertion pump, in which the fixed cylinder type top fixed rod-type pump is characterized by that it possesses internal and external working cylinders, the upper end of external working cylinder is equipped with vertebral body seat and snap spring (the position of snap spring is pump-down depth), when the pump is started, the external working cylinder is firstly placed into the well along with oil pipe, then the internal working cylinder equipped with lining and piston is connected with lower end of oil-pumping rod, and placed into the external working cylinder, and fixed by snap spring. In addition, the fixed cylinder type bottom fixed rod pump with the fixed point at the bottom of the pump cylinder and the movable cylinder type bottom fixed rod pump with the piston fixed at the bottom and the pump cylinder driven by the sucker rod to reciprocate up and down are also arranged.

The free rotation of present class oil pump can't realize the plunger leads to the inclined shaft center pillar pump barrel to produce the eccentric wear problem, consequently the market urgently needs to develop a neotype autogyration class oil pump and solves the problem that above-mentioned exists.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a from rotating flow oil pump to solve the free rotation that the present oil pump that provides can't realize the plunger among the above-mentioned background art, lead to the inclined shaft center pillar pump barrel to produce the problem of eccentric wear.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides an from rotating current oil pump, includes the oil-well pump main part, the lower extreme of oil-well pump main part is provided with the mount pad, and the pump barrel is installed to the upper end of oil-well pump main part, and pump barrel internally mounted has the plunger, the standing valve is installed to oil-well pump main part bottom, and first ejector pin is installed to the standing valve upper end, and first ejector pin surface parcel has reset spring, oil-well pump main part internally mounted has down traveling valve, and the fastening coupling is installed to down traveling valve bottom, the bush is installed at the inner wall both ends of oil-well pump main part, and the internally mounted of oil-well.

Preferably, a rotary pipe plug is arranged in the pump barrel and is positioned at the lower end of the plunger.

Preferably, the upstream valve is internally provided with a fixed valve ball.

Preferably, two ends of the second ejector rod are provided with fixing plugs.

Preferably, one end of the rotary pipe plug extends to the upper end of the upstream valve through the pump barrel.

Preferably, the first top bar and the second top bar are positioned on the same vertical line.

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

the sucker rod drives the piston to move downwards, the fixed valve is closed, the piston squeezes liquid in the pump to enable the pressure in the pump to rise to be higher than the pressure above the piston, the traveling valve is jacked open, the liquid in the pump is discharged into an oil pipe above the piston, meanwhile, the polished rod enters a shaft, and liquid with the volume equivalent to that of the polished rod is extruded out at a well mouth.

Drawings

Fig. 1 is a schematic structural view of the present invention;

fig. 2 is an internal cross-sectional view of the present invention;

fig. 3 is a front view of the present invention.

In the figure: 1. an oil pump main body; 2. a mounting seat; 3. a plunger; 4. a pump barrel; 5. an upstream valve; 6. fixing the valve ball; 7. a fixed plug; 8. a first ejector rod; 9. a fixed valve; 10. a return spring; 11. rotating the pipe plug; 12. a second ejector rod; 13. a bushing; 14. a downstream valve; 15. and (5) fastening the coupling.

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.

Referring to fig. 1-3, the present invention provides an embodiment: the utility model provides an from rotating current oil pump, including oil-well pump main part 1, the lower extreme of oil-well pump main part 1 is provided with mount pad 2, pump barrel 4 is installed to the upper end of oil-well pump

main part

1, 4 internally mounted of pump barrel have plunger 3, standing valve 9 is installed to 1 bottom end in the oil-well pump main part, first ejector pin 8 is installed to 9 upper ends of standing valve, 8 outer surface coating of first ejector pin has reset

spring

10, 1 internally mounted of oil-well pump main part has downstream valve 14, fastening coupling 15 is installed to 14 bottoms of downstream valve, bush 13 is installed at the inner wall both ends of oil-well pump main part 1, the internally mounted of oil-well pump main part 1 has upstream valve 5.

Further, a rotary pipe plug 11 is arranged inside the pump barrel 4, and the rotary pipe plug 11 is positioned at the lower end of the plunger 3.

Further, a fixed valve ball 6 is installed inside the upstream valve 5.

Further, two ends of the second ejector rod 12 are provided with fixing plugs 7.

Further, one end of the rotary pipe plug 11 extends through the pump barrel 4 to the upper end of the upstream valve 5.

Further, the first top bar 8 and the second top bar 12 are positioned on the same vertical line.

The working principle is as follows: when in use, a pump barrel 4 is arranged at the upper end of an oil well pump main body 1, a plunger 3 is arranged in the pump barrel 4, a fixed valve 9 is arranged at the bottom end in the oil well pump main body 1, a first ejector rod 8 is arranged at the upper end of the fixed valve 9, a reset spring 10 is wrapped on the outer surface of the first ejector rod 8, a lower traveling valve 14 is arranged in the oil well pump main body 1, bushings 13 are arranged at two ends of the inner wall of the oil well pump main body 1, an upper traveling valve 5 is arranged in the oil well pump main body 1, during an upper stroke, a sucker rod drives the plunger 3 to move upwards, the traveling valve is closed, the working cavity volume is enlarged to form a low-pressure cavity, the fixed valve 9 is opened, oil is fed into the pump cavity of the oil well pump main body 1, during a lower stroke, the plunger 3 is driven by the rod to move downwards, the working cavity volume is reduced to form, the rotary pipe plug 11 is positioned at the lower end of the plunger 3, the rotary pipe plug 11 is additionally arranged at the lower part of the plunger 3, the plunger 3 is driven to rotate by component force generated by the impact force of well fluid in the swabbing process, the upper part of the plunger 3 is connected with the sucker rod by adopting a movable joint to realize free rotation of the plunger 3, and the eccentric wear phenomenon of a cylinder of the plunger in an inclined well is effectively solved.

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. A self-rotating flow oil pump comprises an oil pump main body (1) and is characterized in that, the lower end of the oil well pump main body (1) is provided with a mounting seat (2), the upper end of the oil well pump main body (1) is provided with a pump cylinder (4), a plunger (3) is arranged in the pump cylinder (4), a fixed valve (9) is arranged at the inner bottom end of the oil well pump main body (1), a first ejector rod (8) is arranged at the upper end of the fixed valve (9), a return spring (10) is wrapped on the outer surface of the first ejector rod (8), a downstream valve (14) is arranged in the oil well pump main body (1), a fastening coupling (15) is arranged at the bottom of the downstream valve (14), bushing (13) are installed at the inner wall both ends of oil-well pump main part (1), and the internally mounted of oil-well pump main part (1) has upstream valve (5), and second ejector pin (12) are installed to upstream valve (5) lower extreme.

2. A self-rotating flow pump according to claim 1, wherein: the pump barrel (4) is internally provided with a rotary pipe plug (11), and the rotary pipe plug (11) is positioned at the lower end of the plunger (3).

3. A self-rotating flow pump according to claim 1, wherein: and a fixed valve ball (6) is arranged in the upper traveling valve (5).

4. A self-rotating flow pump according to claim 1, wherein: and fixing plugs (7) are arranged at two ends of the second ejector rod (12).

5. A self-rotating flow pump according to claim 2, wherein: one end of the rotary pipe plug (11) penetrates through the pump cylinder (4) and extends to the upper end of the upstream valve (5).

6. A self-rotating flow pump according to claim 1, wherein: the first ejector rod (8) and the second ejector rod (12) are positioned on the same vertical line.