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A reciprocating plunger pump

A plunger pump, reciprocating technology, applied in the field of reciprocating plunger pumps, can solve the problem of not being able to actively and conveniently adjust the volume of the working chamber, and achieve the effect of simple structure and convenient use

Active Publication Date: 2022-07-22
PUMP IND CO LTD IN WUXI CITY IN EAST ASIA
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] Most of the existing reciprocating plunger pumps have a motor that drives the piston inside the pump body to reciprocate through a belt, and the pressurized liquid is discharged through a high-pressure oil pipe through a one-way check valve. Once pressurized, it is impossible to actively and conveniently adjust the volume of the working chamber

Method used

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  • A reciprocating plunger pump
  • A reciprocating plunger pump
  • A reciprocating plunger pump

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Embodiment Construction

[0018] The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments.

[0019] refer to Figure 1-5, a reciprocating plunger pump, comprising a base 1, a power source mechanism 2, a reciprocating drive mechanism 3 and a piston mechanism 4, the power source mechanism 2, the reciprocating drive mechanism 3 and the piston mechanism 4 are all arranged on the top of the base 1 , and the power source mechanism 2 and the piston mechanism 4 are respectively arranged on both sides of the reciprocating drive mechanism 3. The power source mechanism 2 includes a fixed frame 21, a servo motor 22, a first transmission wheel 23, a rotating shaft 24, a second The transmission wheel 25, the transmission belt 26 and the transmi...

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Abstract

The invention discloses a reciprocating plunger pump, which comprises a base, a power source mechanism, a reciprocating drive mechanism and a piston mechanism. The beneficial effects achieved by the invention are: a servo motor drives a transmission gear roller to rotate through a transmission belt, and the transmission gear When the roller rotates, it can drive the two transmission gears meshed with it to rotate. When the transmission gear rotates, it can drive the two fixed rods to rotate in a circle with the transmission shaft as the center of the circle. The fixed rod can be driven by the transmission rod when it rotates in a circle. The piston rod and the piston block perform piston movement inside the piston sleeve, and when the two piston blocks perform piston movement inside the two piston sleeves, they can be pressurized multiple times, so that the high-pressure oil on the first piston sleeve is discharged. The oil pressure discharged from the pipe increases, and the lead screw disposed at the end of the piston sleeve can drive the sealing block to move inside the piston sleeve, so that the volume of the working cavity between the piston sleeve and the piston block can be adjusted.

Description

technical field [0001] The invention relates to a reciprocating plunger pump, belonging to the technical field of plunger pumps. Background technique [0002] Plunger pump is a kind of positive displacement pump. It relies on the reciprocating piston or plunger in the pump cylinder to change the volume of the working chamber, so as to achieve the suction and discharge of liquid. Because of the main working part in the pump cylinder, the piston or plunger, it is called a plunger pump. Used in the oil field industry, it is usually used to inject liquid into the subterranean formation, so it is also called oil field injection pump. It is usually composed of two parts, the power end and the hydraulic end, with packing box assembly, box body, base assembly, belt, check valve, safety valve, buffer, etc. [0003] Most of the existing reciprocating plunger pumps have a motor through a belt to drive the piston inside the pump body to reciprocate, and a one-way check valve is used t...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F04B17/03F04B1/02F04B53/00F04B53/14F04B49/00
CPCF04B17/03F04B1/02F04B53/00F04B53/14F04B53/144F04B49/00
Inventor 冯琦皓冯昌伟
Owner PUMP IND CO LTD IN WUXI CITY IN EAST ASIA
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