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Axial plunger pump piston shoe auxiliary lubrication characteristic test device

A technology of axial piston pump and characteristic test, applied in the direction of material inspection products, etc., can solve problems such as unseen, achieve high safety and reliability, and easy replacement of test pieces

Inactive Publication Date: 2005-03-02
ZHEJIANG UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Foreign products related to high-pressure, high-speed, and large-flow pumps are very mature, but there are no literature reports in this area.

Method used

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  • Axial plunger pump piston shoe auxiliary lubrication characteristic test device
  • Axial plunger pump piston shoe auxiliary lubrication characteristic test device
  • Axial plunger pump piston shoe auxiliary lubrication characteristic test device

Examples

Experimental program
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Embodiment Construction

[0025] Such as figure 1 , figure 2 As shown, the present invention includes a hydraulic power system, a lubricating film test platform and a monitoring and control system, wherein:

[0026] 1) The hydraulic power system includes: the manual variable plunger pump 5 is connected to the oil tank 1 equipped with the heater 2 and the temperature sensor 3 through the oil suction filter 4, and the three-phase asynchronous motor 6 is connected to the manual variable plunger pump 5 through the coupling, The high-pressure oil port of the manual variable plunger pump 5 is respectively connected to the oil inlet of the electromagnetic unloading overflow valve 8 and the check valve 9 through the precision pressure filter 7, and the accumulator 11 is respectively connected to the check valve 9 through the first high-pressure cut-off valve 10. The oil outlet of the valve 9, the proportional relief valve 12 and the oil inlet of the two-position four-way electromagnetic reversing valve 17 ar...

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PUM

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Abstract

The invention discloses a test device for the second lubricative characteristic of slideshoe of an axial stem bump, which consists of a hydraulic dynamic system, a lubrant film detecting panel and a monitoring control system. The hydraulic gear provides the high pressure oil supply to the lubricative film detecting panel. The lubrant film detecting panel is used to test and research the characteristic of the slideshoe on different working condition; The monitoring and control system can real-time monitor the test condition, collect multiple working parameters in test process and finish works such as test data analysis and processing. The test device adopts computer to on-line monitoring various working conditions in the process of test, therefore, provides a high safety and reliability. The test condition is adjustable and test fittings is easy to be replaced.

Description

technical field [0001] The invention relates to a test device for the lubrication characteristics of a sliding shoe pair, in particular to a test device for the lubrication characteristics of an axial piston pump sliding shoe pair. technical background [0002] The sliding shoe pair is one of the most critical friction pairs in the axial piston pump, and it is also the most prone to wear and failure. Therefore, the sliding surface of the sliding shoe pair of the axial piston pump should generally ensure the necessary lubrication conditions, and it is required to form a lubricating film of appropriate thickness between the sliding surfaces so that it can play the role of liquid lubrication. However, the lubricating film should not be too thin, otherwise "shoe burning" damage will occur; the lubricating film should not be too thick, otherwise the sealing effect will be small, the internal leakage of the pump will increase, and the volumetric efficiency will decrease significan...

Claims

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Application Information

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IPC IPC(8): G01N33/30
Inventor 杨华勇艾青林周华岳艺明
Owner ZHEJIANG UNIV
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