CN217270646U

CN217270646U - Reciprocating vacuum oil-well pump device

Info

Publication number: CN217270646U
Application number: CN202221034881.5U
Authority: CN
Inventors: 邵安仓; 吴标; 任宇新; 王清平; 于纪会
Original assignee: Qingdao Pangu Intelligent Manufacturing Co ltd
Current assignee: Qingdao Pangu Intelligent Manufacturing Co ltd
Priority date: 2022-04-30
Filing date: 2022-04-30
Publication date: 2022-08-23
Anticipated expiration: 2032-04-30

Abstract

The utility model relates to a reciprocating vacuum oil well pump device, which comprises a vacuum oil well pump A1; the vacuum oil pump A1 comprises a main pump body A7; the two sides of the main pump body A7 are connected with a left pump body A9 and a right pump body A10; a middle piston is arranged in the middle of the piston A8, and a left end piston and a right end piston are respectively arranged at the left end and the right end of the middle piston; the middle piston is arranged in the main pump body A7, the left end piston is arranged in the inner cavity of the left pump body A9 and divides the inner cavity of the left pump body A9 into a left end chamber A17 and a left side chamber A11; the right piston is arranged in the inner cavity of the right pump body A10 and divides the inner cavity of the right pump body A10 into a right end chamber A19 and a right side chamber A12; the utility model relates to a rationally, compact structure and convenient to use.

Description

Reciprocating vacuum oil-well pump device

Technical Field

The utility model relates to a reciprocal vacuum oil-well pump device.

Background

The hydraulic system mainly depends on a hydraulic pump to pump oil, and the oil pumping mode is important for the system. The high viscosity of the oil easily leads to the evacuation of the hydraulic pump, which leads to the failure of the hydraulic system and the damage to the components therein. Although a set of vacuum pump is provided for the vacuum oil pump special for the CN201620746419.6 coal-bed gas well, the technical problem cannot be solved.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem that a reciprocating vacuum oil-well pump device is provided overall to solve current design existence problem, even use the gear pump oil pumping to receive the oil mass restriction, the gear pump idle running can lead to the fact the harm to self, is difficult for restoreing after the wearing and tearing, and screw pump processing and assembly requirement are higher, and are with high costs.

In order to solve the above problems, the utility model adopts the following technical proposal:

a reciprocating vacuum oil-well pump device comprises a vacuum oil-well pump; the vacuum oil pump comprises a main pump body; the two sides of the main pump body are connected with a left pump body and a right pump body; a middle piston is arranged in the middle of the piston, and a left end piston and a right end piston are respectively arranged at the left end and the right end of the middle piston; the middle piston is arranged in the main pump body, and the left end piston is arranged in the inner cavity of the left pump body and divides the inner cavity of the left pump body into a left end cavity and a left side cavity; the right piston is arranged in the inner cavity of the right pump body and divides the inner cavity of the right pump body into a right cavity and a right cavity;

the middle piston is positioned in the main pump body and between the right cavity and the left cavity;

the left cavity is provided with a left oil outlet with a one-way valve I and a left oil inlet with a one-way valve II; the right side cavity is provided with a right oil outlet with a one-way valve III and a right oil inlet with a one-way valve IV; the left end cavity is provided with a left oil inlet and outlet, and the right end cavity is provided with a right oil inlet and outlet.

As a further improvement of the above technical solution:

the vacuum oil pump is matched with an electromagnetic directional valve, a motor pump set, an overflow valve, an energy accumulator and an oil tank; the inlet of the vacuum oil pump is connected with the outlet of the oil tank and is respectively connected with an electromagnetic reversing valve, a motor pump set, an overflow valve and an energy accumulator; the electromagnetic directional valve is connected with two ports of a vacuum oil-well pump, and the vacuum oil-well pump is connected with an oil tank.

The utility model provides a vacuum oil-well pump device for solving the problem of oil pumping, which can discharge oil as much as possible. The oil return device of the bearing of the vacuum oil pump consists of a vacuum oil pump, an electromagnetic reversing valve, a motor pump group, a safety valve, an energy accumulator and an oil tank; the vacuum oil well pump consists of a piston, a main pump body, a left pump body, a right pump body and a one-way valve. The piston part in the left and right pump bodies is controlled by the oil supply of the motor pump group and the electromagnetic directional valve to move left and right, so that the piston in the main pump body moves to form pressure difference to perform oil pumping and oil discharging activities. The drift diameters of the left pump body and the right pump body are the same, so that the flow rates of oil pumping and oil discharging are uniform. The viscosity of the absorbed medium can be very high, and the lubricant-free action can be realized for a long time. The utility model relates to a rationally, low cost, durable, safe and reliable, easy operation, labour saving and time saving, saving fund, compact structure and convenient to use.

Drawings

Fig. 1 is a schematic view of a vacuum oil pump.

Fig. 2 is a schematic diagram of a vacuum oil pump.

Wherein: a1, vacuum oil pump; a2, electromagnetic directional valve; a3, a motor pump set; a4, an accumulator; a5, overflow valve; a6, an oil tank; a7, a main pump body; a8, a piston; a9, a left pump body; a10, right pump body; a11, left chamber; a12, right chamber; a13, a left oil outlet; a14, a left oil inlet; a15, a right oil outlet; a16, a right oil inlet; a17, left end chamber; a18, a left oil inlet and outlet; a19, right end chamber; a20, right oil inlet and outlet holes; a21, one-way valve III; a22, one-way valve I; a23, check valve IV; a24, check valve IIII.

Detailed Description

As shown in fig. 1 and 2, the reciprocating vacuum oil well pump device of the present embodiment includes a vacuum oil well pump a1, an electromagnetic directional valve a2, a motor pump set A3, an overflow valve a4, an energy accumulator a5, and an oil tank a 6; the inlet of the vacuum oil pump A1 is connected with the outlet of the oil tank A6 and is respectively connected with an electromagnetic reversing valve A2, a motor pump group A3, an overflow valve A4 and an energy accumulator A5; the electromagnetic directional valve A2 is connected with two ports of a vacuum oil-well pump A1, and the vacuum oil-well pump A1 is connected with an oil tank A6;

check valve IA21, check valve IIA22, check valve IIIIA23, check valve IVA 24;

the vacuum oil pump A1 comprises a main pump body A7; the two sides of the main pump body A7 are connected with a left pump body A9 and a right pump body A10; a middle piston is arranged in the middle of the piston A8, and a left end piston and a right end piston are respectively arranged at the left end and the right end of the middle piston; the middle piston is arranged in the main pump body A7, the left end piston is arranged in the inner cavity of the left pump body A9 and divides the inner cavity of the left pump body A9 into a left end chamber A17 and a left side chamber A11; the right piston is arranged in the inner cavity of the right pump body A10 and divides the inner cavity of the right pump body A10 into a right end chamber A19 and a right side chamber A12;

the middle piston is positioned in the main pump body A7 and between the right side chamber A12 and the left side chamber A11;

the left chamber a11 has a left oil outlet a13 with check valve IA21 and a left oil inlet a14 with check valve IIA 22; the right side chamber a12 has a right oil outlet a15 with one-way valve IIIA23 and a right oil inlet a16 with one-way valve IVA 24; the left end chamber A17 is provided with a left oil inlet and outlet A18, and the right end chamber A19 is provided with a right oil inlet and outlet A20;

the working principle is that the motor-pump set A3 provides power for the device. The solenoid A2 controls the reciprocating motion of the piston. When the electromagnetic directional valve A2 is at the YV1 position, oil enters a left end chamber A17 of a left pump body A9 from a left oil inlet and outlet A18 of the left pump body A9, is discharged back to an oil tank from a right end chamber A19 through a right oil inlet and outlet A20, the piston A8 moves from left to right, the volume of a right chamber A12 of the main pump body is reduced, the volume of a left chamber A11 of the main pump body is increased, and due to the action of pressure difference, the oil enters the left chamber A11 of the main pump body through a one-way valve A22 and is discharged into the oil tank A6 from the right chamber A12 of the main pump body through the one-way valve A23; when the electromagnetic directional valve a2 is at YV2 position, oil enters the left pump body chamber a19 from the right oil inlet and outlet a20 of the right pump body a10, and is discharged back to the oil tank from the left pump body left end chamber a17 through the left oil inlet and outlet a18, the piston A8 moves from right to left, the volume of the main pump body left side chamber a11 is reduced, the volume of the main pump body right side chamber a12 is increased, and due to the action of pressure difference, the oil enters the main pump body right side chamber a12 through the check valve a24 and is discharged into the oil tank A6 from the main pump body left side chamber a11 through the check valve a 21. Spill valve a4 regulates the system pressure; accumulator a5 absorbs the pulsations and stores energy.

The utility model discloses control the piston part in the pump body and carry out the side-to-side movement by motor pump group fuel feeding, solenoid directional valve control to make the piston motion in the main pump body form pressure differential, pump oil and arrange oil activity.

The present invention has been fully described for a clear disclosure, and is not further described in detail in the prior art.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; it is obvious to those skilled in the art that a plurality of embodiments of the present invention may be combined. Such modifications and substitutions do not depart from the spirit and scope of the embodiments of the present invention.

Claims

1. The utility model provides a reciprocal vacuum oil-well pump device which characterized in that: comprises a vacuum oil pump (A1); the vacuum oil pump (A1) comprises a main pump body (A7); a left pump body (A9) and a right pump body (A10) are connected to the two sides of the main pump body (A7); a middle piston is arranged in the middle of the piston (A8), and a left end and a right end of the middle piston are respectively provided with a left end piston and a right end piston; the middle piston is arranged in the main pump body (A7), the left end piston is arranged in the inner cavity of the left pump body (A9) and divides the inner cavity of the left pump body (A9) into a left end chamber (A17) and a left side chamber (A11); the right piston is arranged in the inner cavity of the right pump body (A10) and divides the inner cavity of the right pump body (A10) into a right end chamber (A19) and a right side chamber (A12);

the middle piston is positioned in the main pump body (A7) and positioned between the right side chamber (A12) and the left side chamber (A11);

the left chamber (a 11) has a left oil outlet (a 13) with a one-way valve I (a 21) and a left oil inlet (a 14) with a one-way valve II (a 22); the right side chamber (a 12) has a right oil outlet (a 15) with a one-way valve III (a 23) and a right oil inlet (a 16) with a one-way valve IV (a 24); the left end chamber (A17) is provided with a left oil inlet and outlet (A18), and the right end chamber (A19) is provided with a right oil inlet and outlet (A20).

2. The reciprocating vacuum pump apparatus of claim 1, wherein: the vacuum oil pump (A1) is matched with an electromagnetic directional valve (A2), a motor pump set (A3), an overflow valve (A4), an energy accumulator (A5) and an oil tank (A6); the inlet of the vacuum oil pump (A1) is connected with the outlet of the oil tank (A6) and is respectively connected with the electromagnetic directional valve (A2), the motor pump set (A3), the overflow valve (A4) and the energy accumulator (A5); the electromagnetic directional valve (A2) is connected with two ports of a vacuum oil-well pump (A1), and the vacuum oil-well pump (A1) is connected with an oil tank (A6).

3. The reciprocating vacuum pump apparatus of claim 1, wherein: the middle piston is larger than the left and right pistons.