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Fatigue testing device for blasting sheet of long-tube trailer of hydraulic horizontal-pushing-type secondary gas filling station

A fatigue test, horizontal pushing technology, applied in the direction of measuring devices, using applied repetitive force/pulsation force to test material strength, instruments, etc., can solve the problems of not having the ability to test the fatigue performance of bursting discs, and achieve simple structure and convenient operation , Automatically control the effect of accurate recording

Active Publication Date: 2016-12-14
CHINA PETROLEUM & CHEM CORP +2
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The current bursting disc testing devices in the prior art are all aimed at testing the bursting pressure of the bursting disc, and do not have the ability to test the fatigue performance of the bursting disc

Method used

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  • Fatigue testing device for blasting sheet of long-tube trailer of hydraulic horizontal-pushing-type secondary gas filling station

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0020] Such as figure 1 As shown, this embodiment provides a hydraulic horizontal push type gas filling substation long tube trailer bursting disc fatigue test device, including oil storage tank 1, high pressure oil pump 4, gas storage bottle 11, data controller 16, oil storage tank 1 The air intake side pipeline is connected with the vent valve 2, the oil outlet side of the oil storage tank 1 is connected to the high-pressure oil pump 4 through the filter 3 pipeline, and the high-pressure oil pump 4 is connected to the gas storage through the oil injection solenoid valve 5 and the oil injection check valve 6 pipeline in turn. Bottle 11, the oil outlet side of the oil injection check valve 6 is connected to the oil return check valve 8 and the oil return solenoid valve 7 in sequence through one pipeline, and connected to the oil storage tank 1, and the oil outlet side of the oil injection check valve 6 is connected to the oil storage tank 1 through another pipeline. The pipeli...

Embodiment 2

[0024] The difference between this embodiment and Embodiment 1 is that the data controller 16 is a programmable logic controller, which has high reliability and strong anti-interference ability, and can control the operation of the testing process stably and efficiently. The data controller 16 is connected to the high-pressure oil pump 4, the oil injection solenoid valve 5, the oil return solenoid valve 7, the first pressure gauge 13 and the second pressure gauge 14 via Bluetooth signals, and the high pressure oil pump 4, the oil injection solenoid valve 5, and the oil return solenoid valve are omitted 7. The first pressure gauge 13 and the second pressure gauge 14 are connected with the signal cable of the data controller 16, which is convenient for the high pressure oil pump 4, the oil injection solenoid valve 5, the oil return solenoid valve 7, the first pressure gauge 13 and the second pressure gauge 14 installation, and Bluetooth transmission is safer and more reliable whe...

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Abstract

The invention provides a fatigue testing device for a blasting sheet of a long-tube trailer of a hydraulic horizontal-pushing-type secondary gas filling station, an oil-outlet side of an oil storage tank is connected with a high pressure oil pump through a filter pipe, the high pressure oil pump is connected with a gas storage cylinder in order via pipes of an oil filling control valve and an oil filling check valve, an oil-outlet side of the oil filling check valve is connected respectively with an oil return check valve and an oil return control valve in order via one pipe, and is connected with the oil storage tank, an oil-outlet side of the oil filling check valve is connected with a first stop valve and the blasting sheet in order via another pipe, and is connected with the oil storage tank, a gas-outlet side of the gas storage cylinder is connected with the blasting sheet via a second stop valve pipe, and is connected with the oil storage tank, pipes of a gas-inlet side and a gas-outlet side of the gas storage cylinder are connected respectively with a first pressure gauge and a second pressure gauge, and one side of the gas storage cylinder is assembled with a telescopic bracket. The fatigue testing device has the advantages of simple structure and convenient operation; pressure laws of the blasting sheet are simulated, fatigue performance of the blasting sheet is accurately tested, and automatic control and accurate data record in the fatigue test process can be achieved.

Description

technical field [0001] The invention relates to the technical field of pressure vessel safety testing, in particular to a fatigue testing device for a bursting disc of a long tube trailer of a hydraulic horizontal pushing gas filling substation. Background technique [0002] As the most valuable automobile alternative fuel, natural gas is showing its special superiority and competitiveness. With the development of gas vehicles, the number of gas filling stations in domestic cities has been increasing in recent years. At present, there are mainly three types of domestic CNG filling stations: mechanical piston filling stations, hydraulic piston filling stations and hydraulic horizontal push filling stations. Due to the advantages of low one-time investment and small footprint, the hydraulic horizontal pushing gas substation has been rapidly promoted in recent years, but corresponding problems have gradually emerged. The CNG tube bundle car usually uses 8 bottle groups per ca...

Claims

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Application Information

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IPC IPC(8): G01N3/36
CPCG01N3/36G01N2203/0005G01N2203/0048G01N2203/0073G01N2203/0282
Inventor 周日峰赵雯晴许光张健中
Owner CHINA PETROLEUM & CHEM CORP