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Oblique-shaft type axial plunger pump/motor with novel-structured plunger

An axial plunger pump, a new type of structure technology, applied in the direction of plunger, variable displacement pump components, components of pumping devices used for elastic fluid, etc., to ensure the processing size and accuracy, reduce noise, and improve stability Effect

Active Publication Date: 2014-06-11
BEIJING HUADE HYDRAULIC INDAL GROUP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The object of the present invention is to overcome the defects of the existing oblique-axis axial piston pump / motor, and provide an oblique-axis axial piston pump / motor with a new type of plunger structure. Technical problems to be solved It is to make it through the improvement of the structure of the plunger ball head, which can reduce the vibration generated during the operation of the inclined axis axial piston pump / motor, reduce noise, improve efficiency, and extend the length of the inclined axis axial piston pump / motor. service life, very suitable for practical

Method used

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  • Oblique-shaft type axial plunger pump/motor with novel-structured plunger
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  • Oblique-shaft type axial plunger pump/motor with novel-structured plunger

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Embodiment Construction

[0031] In order to further explain the technical means and effects of the present invention to achieve the intended purpose of the invention, a kind of oblique axis axial plunger with a new structure plunger proposed according to the present invention will be described below in conjunction with the accompanying drawings and preferred embodiments. The specific implementation, structure, features and effects of the pump / motor are described in detail below.

[0032] The aforementioned and other technical contents, features and effects of the present invention will be clearly presented in the following detailed description of preferred embodiments with reference to the drawings. Through the description of specific embodiments, it should be possible to obtain a deeper and more specific understanding of the technical means and effects of the present invention to achieve the intended purpose, but the attached drawings are only for reference and description, and are not used to explain...

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Abstract

The invention relates to an oblique-shaft type axial plunger pump / motor with a novel-structured plunger. The oblique-shaft type axial plunger pump / motor with the novel-structured plunger comprises a housing, a bearing cover, a spindle, the plunger, a cylinder body, a valve plate and a rear cover. The plunger is inserted inside the cylinder body hole of the cylinder body and hinged to a ball socket in the spindle through a ball joint at one end; the ball joint of the plunger is provided with a cylindrical step structure. By means of the improvement of the ball joint structure of the plunger, the oblique-shaft type axial plunger pump / motor with the novel-structured plunger can reduce the vibration during operation, accordingly, reduce the noise, improve the efficiency and further prolong the service life.

Description

technical field [0001] The present invention relates to the technical field of hydraulic and mechanical control, in particular to an inclined-axis axial piston pump / motor, in particular to an inclined-axis axial piston pump with a new type of plunger with cylindrical steps / motor. Background technique [0002] The inclined shaft axial piston pump or motor is a kind of axial piston pump or motor, the axis of the main shaft and the rotation axis of the cylinder are not on the same straight line, but form an included angle. Functionally, it can be used as a pump as well as a motor. Inclined axial piston pumps are widely used in hydraulic systems because of their small size, low friction loss, strong self-priming ability, and high starting efficiency. [0003] Such as figure 1 Shown is a schematic structural diagram of an existing inclined-axis axial piston pump / motor. The existing oblique-shaft axial piston pump / motor is mainly composed of a bearing cover 100, a main shaft ...

Claims

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Application Information

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IPC IPC(8): F04B1/12F04B53/14F03C1/00F03C1/28
Inventor 周宇焦玲曹新凤江浩胡高见
Owner BEIJING HUADE HYDRAULIC INDAL GROUP
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