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Plunger type fracturing pump and petroleum fracturing truck

A technology of plunger type and fracturing pumps, which is applied in variable capacity pump parts, pump elements, parts of pumping devices for elastic fluids, etc., which can solve the problems of reduced pumping efficiency and cumbersome disassembly and assembly, and achieve The effect of reducing fracturing loss, simple overall structure, and convenient assembly and disassembly

Active Publication Date: 2015-11-18
SANY PETROLEUM INTELLIGENT EQUIP CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] In view of this, the object of the present invention is to provide a plunger type fracturing pump, which can solve at least one of the defects in the prior art of cumbersome disassembly and reduced pumping efficiency after replacing the plunger

Method used

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  • Plunger type fracturing pump and petroleum fracturing truck
  • Plunger type fracturing pump and petroleum fracturing truck

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Embodiment Construction

[0038] It should be noted that, in the case of no conflict, the embodiments of the present invention and the features in the embodiments can be combined with each other. The present invention will be described in detail below with reference to the accompanying drawings and examples.

[0039] In the present invention, the terms "first", "second", and "third" are mainly used to distinguish different components, but do not specifically limit the components.

[0040] figure 1 Shown is a schematic structural diagram of a plunger type fracturing pump according to an embodiment of the present invention. This embodiment includes a pump head body 3 and a plunger body. The structure of the pump head body 3 can refer to the existing and improved technologies, and the plunger body can reciprocate under the drive of the oil cylinder, etc., so as to realize the high-pressure delivery of the fracturing medium.

[0041] The plunger body at least includes a first plunger 1, a second plunger...

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Abstract

The invention discloses a plunger type fracturing pump and a petroleum fracturing truck. The plunger type fracturing pump comprises a pump head body, and a plunger body capable of making reciprocating motion, wherein the plunger body comprises a first plunger, a second plunger and a mounting part; the end part of the first plunger is arranged in the pump head body; the first plunger comprises an axial first inner hole; the second plunger is arranged in the first inner hole of the first plunger; and the mounting part is arranged between the first plunger and the second plunger, and is used for fastening the first plunger and the second plunger mutually or separating the first plunger from the second plunger. The transport modes at different pressures and displacements can be provided without replacement of the plungers or the pump head body; the pumping efficiency is high; the structure is simple; the dismounting and mounting are convenient; and the cost is low.

Description

technical field [0001] The invention mainly relates to the technical field of petroleum equipment, in particular to a plunger type fracturing pump and a petroleum fracturing vehicle provided with the plunger type fracturing pump. Background technique [0002] In the prior art, the plunger type pressure pump of petroleum equipment realizes the high-pressure delivery of fracturing medium through the reciprocating movement of the plunger in the pump head body (or plunger cylinder). In order to ensure pumping efficiency during reciprocating motion, the gap between the outer circle of the plunger and the pump head body (or plunger cylinder) is generally required to be less than 10mm. [0003] At present, a type of fracturing vehicle is generally equipped with at least three types of plungers, and plungers with different diameters can achieve different pressure and displacement delivery. When selecting different plungers according to the needs of fracturing conditions, it is nece...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F04B53/14E21B43/26
Inventor 石鹏飞许显华
Owner SANY PETROLEUM INTELLIGENT EQUIP CO LTD
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