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Cylinder body used in microscopic performance test of plunger pair

A plunger pair and microscopic technology, which is applied to the cylinder field of the plunger pair microscopic performance test, can solve the problems such as failure to consider the mutual disturbance of the plunger and the flow distribution structure, and achieve the effect of ingenious design and application, compact structure and reliable performance.

Inactive Publication Date: 2009-02-18
ZHEJIANG UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the experimental device still has certain limitations due to failure to consider the mutual disturbance between the plungers and the flow distribution structure.

Method used

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  • Cylinder body used in microscopic performance test of plunger pair
  • Cylinder body used in microscopic performance test of plunger pair
  • Cylinder body used in microscopic performance test of plunger pair

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0016] The present invention will be further described below in conjunction with accompanying drawing.

[0017] Such as image 3 , Figure 4 As shown, the new cylinder assembly is mainly composed of a tie rod assembly 1, a distribution end support plate 2, a distribution plate 3, a plunger chamber 4, a plunger end support plate 5, and a sealing ring 6. The tie rod assembly 1 consists of bolts, nuts and washers. The distribution end support plate 2 and the distribution panel 3 are connected by bolts, and the plunger chamber 4 is connected with the distribution panel by a shoulder structure, and the two are sealed by a sealing ring to prevent accidental leakage. The plunger cavity 4 and the plunger end support plate 2 can be directly matched. The supporting plate 2 at the distribution end and the supporting plate at the plunger end are pre-tightened through the pull rod assembly.

[0018] The outer surface of the distribution panel 3 is a plane or a concave spherical surface...

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PUM

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Abstract

The invention discloses a cylinder for testing the micro property of plug, comprising several drawing rods, supporting plate at the porting terminal, porting panel, several plug chamber cylinders, supporting plate at the plug terminal and several sealing coils at same number as plug chamber cylinders. The invention uses drawing rods to connect the supporting plates at plug and porting terminals and the plug chamber cylinders; uses static seals to seal the connection between plug chamber cylinders and the porting panels; the plug chamber cylinder is cylinder shape to supply some testing space around each plug chamber, to set the sensor at any part on the wall of plug chamber; uses several drawing rods to confirm the rigidity of cylinder, improve structural reliability, and improve the stability at high speed. The invention all uses mechanical theory, with compact structure.

Description

technical field [0001] The invention relates to a component of an axial piston pump, in particular to a cylinder body used for testing the microscopic performance of a plunger pair. Background technique [0002] The axial piston pump motor is one of the most important power components in the hydraulic field, and its plunger cavity is the working area where the plunger reciprocates to generate oil suction and pressure. The plunger cavity of the ordinary axial piston pump motor is machined in the cylinder body. For example, the cylinder body of a common seven-piston pump is made of a cylindrical bar on its interface according to the design distribution radius, and seven cylindrical plunger cavities distributed in a circle are processed thereon. Therefore, the cylinder body of an ordinary axial piston pump motor is an integral structure, such as figure 1 , figure 2 As shown, because there is no reasonable space to install the sensing equipment, it is difficult to conduct a ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F04B51/00
Inventor 徐兵张斌马吉恩杨华勇
Owner ZHEJIANG UNIV