Single-pipe gas relay detecting bench, centering clamping mechanism and detection method thereof
A gas relay and clamping mechanism technology, which is applied in volume measurement instruments/methods, liquid/fluid solid measurement, liquid/vacuum measurement for liquid tightness, etc. , low working efficiency of gas relays, etc., to achieve the effect of convenient transformation, low labor intensity and low maintenance cost
Active Publication Date: 2014-07-02
冉正华
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Problems solved by technology
[0013] In order to solve the problem of clamping the gas relay in the existing gas relay testing station, the height of the installation center of the gas relay, the length of the shape, and the size of the flange connection are various, resulting in low work efficiency, high labor intensity, and inability to detect multi-caliber gas relays under test. For the problem of gas relays, the present invention provides a centering clamping mechanism for gas relay detection, and its technical scheme is as follows:
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[0112] Such as Figure 1-11 The shown single-pipe gas relay test bench includes a bench 34 and a fuel tank 1 arranged on the casing, and a heavy gas flow rate test oil circuit connected between the bench 34 and the fuel tank 1;
[0113] A first electromagnetic valve 24 is also installed on the casing, the outlet end of the first electromagnetic valve 24 is connected to the atmosphere, and the inlet end of the first electromagnetic valve 24 is used to be connected with the gas nozzle on the gas relay 18 to be tested. ;
[0114] The centering clamping mechanism is provided on the platform 34; the centering clamping mechanism includes a fixed end 13 and a moving end 17 which are arranged on the platform 34 for clamping the gas relay 18 to be tested; the fixed end 13 is a base fixed on the stand 34, and the fixed end 13 is provided with a fixed end jack 64; the moving end 17 is installed on the clamp on the stand 34, and the clamp is used to make the moving end 17 moves forward ...
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The invention discloses a single-pipe gas relay detecting bench, a centering clamping mechanism and a detection method of the single-pipe gas relay detecting bench, belonging to the technical field of transformer gas relay detection, to solve the problem that an existing gas relay is low in clamping efficiency and a multi-caliber gas relay cannot be detected. The invention provides the centering clamping mechanism for detecting the gas relay, which comprises a fixed end and a moving end, wherein the fixed end is provided with a fixed end jack, the moving end forms a first-class secondary seal guide plate, and the mechanism can detect the gas relay with different calibers. The invention also provides the single-pipe gas relay detecting bench which comprises a rack and an oil tank which are arranged on an enclosure, and a heavy gas velocity test circuit connected between the rack and the oil tank, wherein the rack is provided with the centering clamping mechanism. The invention also provides a method for detecting the heavy gas velocity value, the light gas velocity value and the pressurization sealing value of the gas relay with different calibers by using the single-pipe gas relay detection bench.
Description
technical field [0001] The invention belongs to the technical field of transformer gas relay detection, and specifically relates to a sealed guide plate with the same nominal diameter corresponding to the gas relay to be tested by simulating the action mechanism of the gas relay when the internal fault of the transformer is used, using the industrial computer measurement and control technology, and transforming through a single detection pipeline , change the oil cut-off area of the oil flow to be consistent with the nominal diameter cross-sectional area of the gas relay to be tested, so as to meet the gas relay test bench and its clamping device for the detection of heavy gas flow rate values of domestic and foreign gas relays of different calibers, different manufacturers, and different models. Background technique [0002] When the gas relay testing station clamps the gas relay, due to the different manufacturers, models and calibers of the gas relay under test, the ...
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IPC IPC(8): G01F1/00G01F22/00G01F15/00G01M3/26
Inventor 冉正华
Owner 冉正华