Connecting method of hydraulic system pressure reducing loop of hydraulic test bench

A hydraulic system and hydraulic test technology, which is applied in the direction of fluid pressure actuation system components, fluid pressure actuation devices, mechanical equipment, etc., can solve the problems of complicated working methods, heavy equipment weight, low work efficiency, etc., and achieve improved operation Controllability, reduce labor intensity, and simplify the effect of oil circuit

Inactive Publication Date: 2013-02-13
WUXI WELL ELECTRO HYDRAULIC EQUIP CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the existing hydraulic system components of this product have many problems from different perspectives such as operation methods, working methods, and complicated structures, which lead to inefficient work, heavy equipment weight, and high costs

Method used

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Embodiment Construction

[0010] The method for connecting the decompression circuit of the hydraulic system of the hydraulic test bench according to the embodiment of the present invention, the main steps of which include:

[0011] (1) Firstly, a fixed value pressure reducing valve is connected in series in the peripheral branch of the low pressure pump of the hydraulic system oil circuit, and at the same time, a second pressure reducing valve is connected in parallel to the branch opposite to the fixed value pressure reducing valve;

[0012] (2) Adjust the second pressure reducing valve so that a certain branch of the system has a stable working pressure lower than the set value of the system pressure, and connect the branch with the control oil circuit of the work clamping, guide rail lubrication and hydraulic system;

[0013] (3) A one-way valve is installed on the side of the second pressure reducing valve in the pressure reducing circuit. When the pressure of the main oil circuit is lower than the...

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PUM

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Abstract

The invention discloses a connecting method of a hydraulic system pressure reducing loop of a hydraulic test bench. The connecting method comprises the following steps : a constant-value pressure reducing valve is connected in series with peripheral branch of a low-pressure pump of a hydraulic system oil channel; a second pressure reducing valve is connected in parallel to a branch opposite to the constant-value pressure reducing valve; the second pressure reducing valve can be adjusted so as to provide a stable working pressure to a branch, wherein the stable working pressure is less than the pressure setting value of the system; the branch is connected with a control oil channel of a working clamping, guide rail lubricating and hydraulic system; an one-way valve is arranged at one side of the second pressure reducing valve in the pressure reducing loop, so that the pressure of a hydraulic cylinder can be prevented from being interfered by the pressure of a main oil channel once the pressure of the main oil channel is less than the setting value of the constant-value pressure reducing valve. The connecting method has the beneficial effects that the oil channel is simplified, the reliability in action is ensured, higher precision in switching position is achieved, and sufficient changing-over precision can be obtained.

Description

technical field [0001] The invention relates to the field of hydraulic technology, in particular to a method for connecting a pressure reducing circuit of a hydraulic system of a hydraulic test bench. Background technique [0002] Hydraulic technology is one of the key technologies to realize modern transmission and control. Due to light weight and small size, various components of hydraulic transmission can be conveniently and flexibly arranged according to needs. Combining with the latest technology, it has a high degree of automation and is easy to operate and control. It is easy to realize linear motion and a wide range of stepless speed regulation. To achieve overload protection, mineral oil is used as the working medium, which can be self-lubricated relative to the moving surface and has a long service life. With the continuous improvement of the degree of automation of hydraulic machinery, the number of hydraulic components used has increased sharply, and the miniatu...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F15B21/00
Inventor 解正云
Owner WUXI WELL ELECTRO HYDRAULIC EQUIP CO LTD
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