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A braking hose pneumatic fixed pressure detection test machine

A brake hose and testing machine technology, applied in the direction of measuring the acceleration and deceleration rate of fluid, using liquid/vacuum degree for liquid tightness measurement, etc., can solve the pollution of the surrounding environment, waste of manpower and material resources, and low detection accuracy problem, to achieve the effect of good blockage and pressure resistance, accurate pressure test and high detection accuracy

Active Publication Date: 2018-01-23
SHANGHAI YUANZI ELECTRONICS TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Based on the provisions of this standard, the traditional brake hose pressure test basically uses water as the medium for testing, which mainly has the following defects and deficiencies: 1. Water pressure is used for testing, such a high water pressure is harmful to the surrounding environment. Pollution is unavoidable; after the test is completed, the residual water in the test piece must be cleaned up; these two problems can be completely avoided by using air pressure to test
[0003] Continuing with the above, the traditional brake hose pressure detection method has the following deficiencies: polluting the environment; multi-process operation, especially inconvenient, and a great waste of manpower and material resources; low detection accuracy, ineffective ideal

Method used

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  • A braking hose pneumatic fixed pressure detection test machine
  • A braking hose pneumatic fixed pressure detection test machine
  • A braking hose pneumatic fixed pressure detection test machine

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0024] Example 1 Brake hose air pressure constant pressure detection test machine equipment composition and the role of each component:

[0025] The present invention proposes a brake hose air pressure constant pressure testing machine, which includes a main frame 1, a filter 3, a solenoid valve device 4 and a safety door 11 device, and is characterized in that the testing machine also includes: an air source 2, a test Component supporting device 5, cylinder 6, pressure measuring joint 7, pressure sensor 8 and PLC control system 9; air source 2 is connected to cylinder 6 through filter 3 and solenoid valve 4 to provide test medium for the testing machine, and the test medium is compressed gas ; The cylinder 6 is arranged on the test piece support device 5, and is installed at one end of the pressure measuring joint 7. When the testing machine detects, both ends of the test hose are connected to the pressure measuring joint; the pressure sensor 8 is installed on the cylinder 6, ...

Embodiment 2

[0033] Example 2 The working process of the brake hose air pressure constant pressure detection test machine:

[0034]Connect the low-pressure air source 21, high-pressure air source 22 and power supply, open the air source valve, and turn on the power switch, so that the high-pressure air source 22 reaches the high-pressure solenoid valve 42 after being filtered by the high-pressure filter 32, so that the low-pressure air source 21 is filtered by low pressure After being filtered by the filter 31, it reaches the low-pressure solenoid valve 41; adjust the rotating and detachable clamp locking device of the pressure measuring joint 7 to suit the hose to be tested, check whether the pressure measuring joint 7 is in good condition, and manually operate to check whether each action is in place , confirm that all parts are ready correctly, and then select the automatic operation state on the touch screen 10 of the man-machine interface; fix the test piece through the action of the c...

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Abstract

The invention discloses a brake hose air pressure constant pressure detection test machine, which includes a main frame, a filter, a solenoid valve device and a safety door device, and is characterized in that the test machine also includes: an air source, a test piece support device, a cylinder , pressure measuring joint, pressure sensor and PLC control system; the gas source is connected to the cylinder through a filter and a solenoid valve to provide the test medium for the testing machine, and the medium is compressed gas; the cylinder is set on the specimen support device and installed on the pressure measuring joint One end; the pressure sensor is installed on the cylinder and connected to the PLC control system. The pressure sensor detects the air pressure data of the test hose and sends it to the PLC control system to complete the detection of the brake hose of the testing machine. The detection device has high reliability, wide applicability, accurate pressure test, and can better evaluate whether the brake hose is blocked or not and the pressure resistance capacity.

Description

technical field [0001] The invention belongs to the technical field of brake hose performance testing machines, in particular to a brake hose high-pressure constant pressure detection device and a test method thereof. Background technique [0002] The pressure resistance of the brake hose is one of the important indicators to measure the performance of the hose. Blockage, leakage or rupture of the brake hose will cause brake failure and traffic accidents. my country currently has corresponding brake hose inspection standards (GB16897-2010), which stipulates the pressure resistance and test methods of brake hoses. Based on the provisions of this standard, the traditional brake hose pressure test basically uses water as the medium for testing, which mainly has the following defects and deficiencies: 1. Water pressure is used for testing, such a high water pressure is harmful to the surrounding environment. Pollution is unavoidable; after the test is completed, the residual wa...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01M3/28
Inventor 聂德品鞠建宏王春明孙克俭钱厘军
Owner SHANGHAI YUANZI ELECTRONICS TECH
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