Switch tool for cylinder valve of high pressure gas cylinder
A high-pressure gas cylinder, switch tool technology, applied in the valve operation/release device, valve details, valve device and other directions, can solve the problems of inability to judge the health status of the equipment, higher purity requirements, and more effort, etc. To achieve the effect of strong practical value, easy to carry and simple structure
Pending Publication Date: 2018-02-02
GUIGANG POWER SUPPLY BUREAU OF GUANGXI POWER GRID CO LTD
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Problems solved by technology
Usually, the N2 used to calibrate the instrument and the N2 used in the chromatographic test require the absolute purity of the gas, otherwise the test data will be abnormal and the health status of the equipment cannot be judged; and the purity of the standard gas used
Method used
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Embodiment
[0037] Take the diameter of the high-pressure gas cylinder valve 17 as an example to design the specific structural dimensions of the switch tool in the present invention, the length of the first support arm 1 and the second support arm 2 is 5cm, and the included angle α is preferably 30° -60°, in the present embodiment, the included angle α=36°; the lengths of the first fixed jaw 3 and the second fixed jaw 4 are 3cm, and the distance from the other end of the third support arm 9 to the movable jaw 8 is 4cm, The length of movable jaw 8 is 1.5cm, and the handwheel outer ring 11 diameter of handwheel is 8cm.
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Abstract
The invention discloses a switch tool for a valve of a high-pressure gas cylinder, which relates to the technical field of special mechanical tools in the electric power industry. The switching tool for the valve of the high-pressure gas cylinder includes a V-shaped frame, a hand wheel, a threaded adjustment knob and a movable jaw with a rack. The first fixed jaw, the second fixed jaw and the The movable jaw forms a triangular buckle structure, and the buckle structure cooperates with the valve of the high-pressure gas cylinder, and the valve of the high-pressure gas cylinder can be opened or closed by rotating the hand wheel; the threaded adjustment knob and the rack The movable jaws are meshed with each other through threads and racks, and the distance between the movable jaws with racks, the first fixed jaw and the second fixed jaw can be adjusted by turning the threaded adjustment knob, so as to adapt to different sizes of high-pressure gas cylinder valves , the application range is wider; the present invention is simple in structure, convenient to carry, low in cost, and has strong practical value.
Description
technical field [0001] The invention belongs to the technical field of special mechanical tools for the electric power industry, and in particular relates to a switch tool for a valve of a high-pressure gas cylinder. Background technique [0002] At present, more and more SF6 electrical equipment is used in the power industry, mainly reflected in: SF6 transformers, SF6 voltage transformers, SF6 current transformers, etc. For this type of SF6 electrical equipment, the "Electrical Equipment Maintenance and Test Regulations" stipulates that such equipment should be tested before it is put into operation, and it should be tested one year after it is put into operation. If there is no abnormality, it should be tested every three years. When testing this type of equipment, it is necessary to use SF6 pure gas to calibrate the test equipment, while SF6 pure gas is contained in a high-pressure gas cylinder, and this type of high-pressure gas cylinder acts as a switch through a valve ...
Claims
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CPCF16K31/60
Inventor 汪峰刘振东党广宇韦勇娇黄桂华梁泳谭健华莫己几孟亚东迟若飞宋冠正严小明曹永朋车运强郑毅马广通狄雯罗宏亮覃榕林潘高峰陈永轩
Owner GUIGANG POWER SUPPLY BUREAU OF GUANGXI POWER GRID CO LTD
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