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Multi-station ball-valve bursting test machine

A blasting test, multi-station technology, used in the testing of machines/structural components, measuring devices, instruments, etc., can solve the problems of inability to formulate the pressure limit of ball valves, no sampling blasting of ball valves, etc. Save space and ensure safety

Inactive Publication Date: 2009-01-07
于常友 +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] For a long time, the test items of ball valves have been pressure tests aimed at sealing performance and shell strength, and it is impossible to formulate the pressure limit of ball valves.
At present, there is no test equipment for sampling blasting of ball valves in my country.

Method used

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  • Multi-station ball-valve bursting test machine

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Embodiment Construction

[0018] The present invention will be further described below in conjunction with the accompanying drawings and embodiments.

[0019] As shown in the figure, a multi-station ball valve blasting test machine includes: a test host 30 and a control cabinet 1 . The main engine 30 is divided into upper and lower layers, the upper layer is the test bench 6, the lower floor is the machine base 15, and the main engine 30 is an integral vertical structure. The test bench 6 is composed of a sealing fixture 8, a beam 7, a support plate 25, and a pressure rod 12. On the support plate 25, 3-10 test stations parallel to each other are vertically installed, and 1-10 ball valves can be selected to be tested at the same time. Pressure and burst performance test. Each test station is equipped with two special ball valve test sealing fixtures 8, one is fixed on the beam 7 through the pressure rod 12, the other is fixed on the lower pressure rod 28, and can move up and down along its axis, the sh...

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Abstract

The invention discloses a multi-work station ball valve blasting testing machine which belongs to the field of testing device. The testing machine comprises a testing host and a control cabinet. The testing host is divided into two layers; a testing table is arranged on the upper layer and a machine base is arranged on the lower layers. The testing table is provided with 3 to 10 testing work stations which are arranged in parallel and which can simultaneously test the pressure and blasting performance of 1 to 10 ball valves. In the test, hydraulic oil uses a solenoid directional control valve to push each piston; the compression rod of each piston can rise simultaneously; a special sealing fixture is used for sealing and clamping two ends of the ball valve. A hydraulic test pump is used for pouring the testing medium into the tested ball valve and boosting the pressure of the tested ball valve so as to test the ball valve. The testing machine can simultaneously seal, clamp, pour the testing medium into and test a plurality of ball valves. In the whole test process, a computer is used for automatically controlling the test through a PLC controller. And the testing machine has the advantages of stable performance, high work efficiency, low labor intensity, simple structure, high security, and so on.

Description

technical field [0001] The invention relates to a burst testing machine for a multi-station ball valve. Background technique [0002] The ball valve has to bear a certain pressure during work. Because it works under pressure for a long time, its pressure resistance will directly affect the service life of the ball valve. At the same time, the instantaneous pressure of the ball valve is too high to cause explosion. Once the valve bursts , It will not only threaten the life safety of the operators but also cause losses to the property of the enterprise. In order to ensure the safe use of ball valve products, it is necessary to test the blasting performance of the ball valve in time to ensure the factory pass rate of the ball valve and prevent problems before they happen. [0003] For a long time, the test items of ball valves have been pressure tests aimed at sealing performance and shell strength, and it is impossible to formulate the pressure limit of ball valves. At prese...

Claims

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Application Information

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IPC IPC(8): G01N3/307G01M3/02G01M19/00G01M99/00
Inventor 于常友杨晶
Owner 于常友
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