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Connecting structure and plunger pump

A connection structure and plunger technology, which is applied to pump components, variable displacement pump parts, parts of pumping devices for elastic fluids, etc., and can solve the problems of easy wear and looseness of plungers and pull rods

Pending Publication Date: 2021-10-22
YANTAI JEREH PETROLEUM EQUIP & TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The embodiment of the present application provides a connection structure and a plunger pump, which are used to solve the problem of easy wear and looseness of the plunger and the pull rod in the prior art

Method used

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  • Connecting structure and plunger pump
  • Connecting structure and plunger pump
  • Connecting structure and plunger pump

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Embodiment Construction

[0037] Embodiments of the present application will be described in detail below in conjunction with the accompanying drawings.

[0038] In the description of the present application, it should be understood that the orientation or positional relationship indicated by the terms "upper", "bottom", "inner", "outer", etc. is based on the orientation or positional relationship shown in the drawings, and is only for the purpose of It is convenient to describe the application and simplify the description, but not to indicate or imply that the device or element referred to must have a specific orientation, be constructed and operate in a specific orientation, and thus should not be construed as limiting the application.

[0039] The terms "first" and "second" are used for descriptive purposes only, and cannot be understood as indicating or implying relative importance or implicitly specifying the quantity of indicated technical features. Thus, a feature defined as "first" and "second"...

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Abstract

The invention relates to the technical field of plunger pumps, in particular to a connecting structure and a plunger pump. The connecting structure and the plunger pump are used for solving the problems that a plunger and a pull rod are likely to wear and loosen in the prior art. The connecting structure is used for connecting a first component and a second component. The connecting structure comprises at least two oppositely-arranged clamping pieces, a first connecting assembly, a second connecting assembly and a locking piece. An installation space is defined by the at least two oppositely-arranged clamping pieces. One part of the first connecting assembly is located in the installation space, and the other part of the first connecting assembly is located outside the installation space and connected with the first component. One part of the second connecting assembly is located in the installation space, and the other part of the second connecting assembly is located outside the installation space and connected with the second component. The parts, located in the installation space, of the first connecting assembly and the second connecting assembly abut against each other. The locking piece is connected with the clamping pieces and used for fixing the clamping pieces to the first connecting assembly and the second connecting assembly. The connecting structure is applied to the plunger pump.

Description

technical field [0001] The present application relates to the technical field of plunger pumps, in particular to a connection structure and a plunger pump. Background technique [0002] Piston pump is an important oil and gas field fracturing equipment, used to transport high-pressure fluid medium. At present, the clamp connection structure of the plunger pump is a key component connecting the pull rod at the power end of the plunger pump and the plunger at the liquid end, and plays an important role in ensuring the reliability of the plunger pump. [0003] In the process of realizing the above connection, there are at least the following problems: the existing clamp connection structure is directly installed on the plunger pump pull rod and plunger, which easily causes wear of the plunger and pull rod, resulting in loosening. Contents of the invention [0004] Embodiments of the present application provide a connection structure and a plunger pump, which are used to solv...

Claims

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Application Information

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IPC IPC(8): F04B53/14F04B53/22
CPCF04B53/147F04B53/22
Inventor 菅保国邓文杰刘韦辰李朋王继鑫张树林葛安鹏
Owner YANTAI JEREH PETROLEUM EQUIP & TECH
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