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Bellows failure test device

A test device and bellows technology, applied in the direction of measuring device, fluid tightness test, machine/structural component test, etc., can solve problems such as short service life, poor high temperature resistance, air leakage, etc., and achieve convenient operation, The effect of simple structure

Inactive Publication Date: 2018-04-06
WUXI YONGXING METAL HOSE
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] Most of the existing bellows are made of a single material, which has poor high temperature resistance and short service life
Some old-fashioned bellows still have defects such as air leakage, which poses a huge safety hazard to inspectors and the surrounding environment

Method used

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Experimental program
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Embodiment Construction

[0025] The present invention will be further described below in conjunction with the accompanying drawings and embodiments.

[0026] As shown in Figure 1, a bellows failure test device includes left and right pipes, the left pipe flange connected to the left pipe, the right pipe flange connected to the right pipe, and the pipe joints connected by bolts and gaskets. The bellows between the left flange and the right flange of the pipe, wherein the non-connecting ends of the left pipe and the right pipe are closed and a sealed cavity is formed inside; a water tank is arranged outside the sealed cavity, and the water tank is sequentially passed through a water pump Connect the micro-pressure balance valve and the flow meter and finally communicate with the sealed chamber, and a heating device is arranged in the water tank; a sensor for measuring the temperature and pressure inside the sealed chamber is also arranged in the sealed chamber; the bellows includes a bellows body and In...

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Abstract

The invention discloses a bellows failure test device comprising: left and right pipelines, a pipeline left flange connected with the left pipeline, a right pipeline flange connected with the right pipeline, and a bellows connected between the left pipeline flange and the right pipeline flange bolts and gaskets. The non-connecting ends of the left pipeline and the right pipeline are sealed and form a sealed cavity therein. A water tank is disposed outside the sealed cavity, is successively connected with a balance valve and a flow meter through pipelines and eventually communicates with the sealed cavity. The bellows failure test device is simple in structure and easy to operate, and can not only detect whether a bellows connection system has a leak, but also can accurately calculate the leakage rate of the bellows connection system.

Description

technical field [0001] The invention relates to a failure test device for bellows. Background technique [0002] The bellows is a flexible structure arranged on the container shell or pipeline in order to compensate the additional stress caused by temperature difference and mechanical vibration. Utilize the effective expansion and contraction deformation of the bellows working body to absorb the dimensional changes of pipelines, conduits, containers, etc. due to thermal expansion and contraction, or to compensate for the axial, lateral and angular displacement of pipelines, conduits, containers, etc. Can be used for noise reduction and vibration reduction. Has been widely used in environmental protection, chemical industry, metallurgy and other fields. In the field of environmental protection, in order to prevent the pipe from being deformed or damaged due to thermal elongation or temperature stress when the heating pipe is heated up, it is necessary to install a bellows o...

Claims

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Application Information

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IPC IPC(8): G01M3/28
CPCG01M3/2815G01M3/2853
Inventor 王铮
Owner WUXI YONGXING METAL HOSE
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