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Hydraulic valve test platform

A technology of test bench and valve, which is applied in the direction of liquid tightness measurement by using liquid/vacuum degree, and by measuring the increase and deceleration rate of fluid, etc., which can solve the problems of single practicability and single operability

Inactive Publication Date: 2009-10-21
SHANGHAI ZENGXIN MACHINE ELECTRON TECH CO LTD
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The task of the present invention is to overcome the shortcomings of single practicability and single operability of the hydraulic valve test bench. The present invention provides a multifunctional hydraulic valve test bench, which can select various types of valves and test , easy to carry out various tests of hydraulic valves

Method used

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  • Hydraulic valve test platform

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Embodiment Construction

[0007] The present invention is described in detail below:

[0008] Press the "Test Start" button on the "touch screen" during the upper sealing test, and the system's automatic control program starts: the air-driven pump type "high pressure oil pump" pressurizes the pressure jaw oil cylinder, and the "pressure sensor" transmits the oil pressure value to the "PLC" , when the oil pressure increases to the required value, the "high pressure oil pump" of the hydraulic system stops. If there is a pressure drop during the pressure test, a small difference can be set, and the "high-pressure oil pump" will automatically start to supplement the pressure. When the pressure reaches the required value, the "high-pressure oil pump" will stop. After the pressurization of the jaws is completed, start the "low-pressure water pump" and inject low-pressure water into the inner cavity of the valve. The pump driving type "high-pressure water pump" is started, and high-pressure water is injected...

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Abstract

The invention relates to a valve test platform, in particular to a hydraulic valve test platform which can be used for continuously carrying out the strength and sealing tests of the valve. The valve test platform comprises five pneumatic valves, two solenoid valves, four air supply control valves, seven manual valves, two sets of electric magnets, two water-proof travel switches, four pressure sensors, an electric-contact pressure gauge, two sets of gas-driven pumps and a set of air support combined pieces. The hydraulic valve test platform is characterized in that a PLC is arranged to control a water pump to stop automatically by a program, the pressure gauge gives instructions and an indicating lamp automatically lights. The hydraulic valve test platform has the beneficial effects that the multifunctional test solves the problems of single practicability and operability of the hydraulic valve test platform; and the hydraulic valve test platform can carry out the selection of multiple strength tests and also can carry out the test of multiple types of valves.

Description

[technical field] [0001] The invention relates to a valve test stand, in particular to a hydraulic valve test stand which can be used for continuous valve strength and sealing tests. [Background technique] [0002] At present, the known hydraulic valve test bench has a hard seal hydraulic test bench, that is, the seal of the valve is formed by sealing a metal surface; a soft seal test bench, that is, the seal of the valve is formed by a rubber seal; and a hydraulic jack and two A hydraulic valve test bench for testing with a blind plate against both ends of the valve. The method and function of the strength and sealing test of these kinds of hydraulic valve test benches are very simple, and some of them can only complete one type of sealing test of one type of hydraulic valve, which wastes cost resources, has single practicability, and single operability. [Content of the invention] [0003] The task of the present invention is to overcome the shortcomings of single practi...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01M3/28
Inventor 胡增洪
Owner SHANGHAI ZENGXIN MACHINE ELECTRON TECH CO LTD
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