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Multi-path sharing sealing performance detecting device

A technology of sealing performance and oil circuit, which is applied in the direction of using liquid/vacuum degree for liquid tightness measurement, and by measuring the acceleration and deceleration rate of fluid, etc., which can solve the problem of increasing the number of pipelines, hidden dangers, safe burial of operators and equipment, etc. problems, to reduce the number of oil circuits, the detection principle is simple, and the effect of preventing accidents

Inactive Publication Date: 2014-10-29
ZHONGBEI UNIV
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AI Technical Summary

Problems solved by technology

It not only increases the number of pipelines in the device, but also cannot ensure that the detection pressure of each oil circuit under test is consistent
In addition, the safety protection of some existing equipment is not in place, burying hidden dangers for the safety of operators and equipment

Method used

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  • Multi-path sharing sealing performance detecting device
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  • Multi-path sharing sealing performance detecting device

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Embodiment Construction

[0038] The present invention is further described below in conjunction with accompanying drawing:

[0039] For multi-channel shared sealing performance detection devices, one or more detection branches with different detection calibers are set up, and one or more detection stations are set for one kind of caliber detection branch, such as Figure 11 , 12 shown. It includes an operating station, and also includes a hydraulic system, a monitoring platform, a safety protection device and a control system. The hydraulic system includes a pressure source module 41 and a number of detection devices connected to the pressure source module 41 that are respectively suitable for different calibers of the test pieces. Branches, each detection branch of a caliber includes one oil circuit for standard parts and several oil circuits for parts to be tested.

[0040]The hydraulic system of the detection branch of each caliber includes a pressure boosting module 42, a balance module 43, a de...

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Abstract

The invention belongs to the technical field of workpiece sealing performance detection, in particular to a multi-path sharing sealing performance detecting device. The multi-path sharing sealing performance detecting device solves the disadvantages of an existing sealing performance detecting device. The multi-path sharing sealing performance detecting device is provided with one or more kinds of detecting branches with different detecting calibers, and each kind of detecting branch is provided with one or more stations to be detected. The multi-path sharing sealing performance detecting device uses a differential pressure balancing principle to detect the sealing performance of a product, each kind of detecting branch is provided with double stations to be detected, the caliber can be expanded into multiple calibers, when detecting, the differential pressure value is read through a differential pressure transducer according to program control, and the value is compared with a set standard differential pressure value to detect the sealing performance of the product; the differential pressure method provides a detection mode and a test mode. The differential pressure method is provided with multiple stages of safety protection strategies and devices, and accordingly the operator and equipment safety is effectively protected when effectively detecting the sealing performance of the product in a multi-station mode.

Description

technical field [0001] The invention belongs to the technical field of workpiece sealing performance detection, and in particular relates to a device for multi-channel shared sealing performance detection. Background technique [0002] There are two typical methods for testing the sealing performance of containers at present, the direct pressure method and the differential pressure method. If the direct pressure method is used based on the hydraulic method, the temperature of the hydraulic oil will change when it is under pressure. Generally, the higher the pressure, the greater the temperature rise, and the viscosity of the hydraulic oil will decrease, resulting in its pressure. decline; vice versa. It can be seen from the process that the temperature change will have a negative effect on the accuracy of pressure detection, and the control difficulty, data processing complexity and optional hydraulic oil standards will increase during the detection process, which will redu...

Claims

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Application Information

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IPC IPC(8): G01M3/32
Inventor 段能全王俊元马骏杜文华张纪平
Owner ZHONGBEI UNIV
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