Single spring contact pressure device and operating method for isolating belt grounding switch
A contact pressure, grounding switch technology, applied in electrical switches, contacts, electrical components, etc., can solve the problems of large size, universality of two-position insulating rods and poor structural design, and achieve good safety and design. Reasonable and easy to use effect
Inactive Publication Date: 2016-06-15
宁波舜利高压开关科技有限公司
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Problems solved by technology
[0003] In order to overcome the above-mentioned shortcomings, the purpose of the present invention is to provide a single spring contact pressure device and its operating method for the isolation zone grounding switch in the field, so that it can solve the problem that the existing similar ones have a large volume and can be used in common with the two-position insulating pull rod. Technical issues with poor sex and structural design
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[0015] Now in conjunction with the accompanying drawings, the structure and use of the present invention will be further described. that is, Figure 1 to Figure 5 As shown, the single spring contact pressure device includes a threaded connector 1, a spring seat 2, a guide rod 3, a contact pressure spring 4, a guide sleeve 5, and a drive shaft pin 6. The guide rod, the contact pressure spring, the guide rod After the sleeves are fitted in turn, they are inserted from one end of the spring seat to the other end of the spring seat, the guide rod protrudes from the guide sleeve, the guide sleeve protrudes from the spring seat, and the guide sleeve is limited by the guide rod at the end of the spring seat through the T-shaped limit end. hole; the spring seat is inserted into the guide rod, the contact pressure spring, and the end of the guide sleeve is packaged in the spring seat through the threaded joint, and the long sliding hole of the guide rod protrudes from the guide sleeve....
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The invention relates to a single-spring contact pressure device for a grounding switch with an isolation belt and an operating method thereof, which is designed to solve the technical problems of the existing similar devices with large volume and poor versatility with two-station insulating pull rods. The main point of the single spring contact pressure device is that after the guide rod, the contact pressure spring and the guide sleeve are fitted in sequence, the guide rod extends out of the guide sleeve, the guide sleeve extends out of the spring seat, and the guide sleeve is limited to the guide rod hole of the spring seat. Extend the long sliding hole of the guide rod of the guide sleeve to set the drive shaft pin. When the pressure spring of the contact head is respectively in contact with the guide rod and the guide sleeve in the opening state, the driving shaft pin on the guide rod is located at the outer end of the long sliding hole; The outer end of the long sliding hole of the rod slides to the end of the spring seat of the long sliding hole, the guide sleeve is received in the spring seat, and the contact pressure spring is deformed. At this time, the single spring contact pressure device is in the closing position; when the driving shaft pin drives The guide rod stretches out of the spring seat, and the contact pressure spring is at the grounding position when deformation occurs simultaneously.
Description
technical field [0001] The invention relates to an isolation belt grounding switch of a high-voltage switching apparatus, and relates to a single spring contact pressure device and an operating method of the isolation belt grounding switch. Background technique [0002] At present, the three-station vacuum interrupter of high-voltage switchgear generally has three stations: closing, opening, and grounding. When closing and grounding, the contact pressure must be provided, and the contact pressure must be provided within the contact burning value. The dynamic and static contacts provide pressure to ensure the reliable contact of the dynamic and static contacts, so as to realize the closing or grounding operation. In order to directly or indirectly provide two opposite pressures to the dynamic and static contacts, generally only two sets of springs can be used, one set of springs is used to provide contact pressure for closing, and the other set of springs is used for groundin...
Claims
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IPC IPC(8): H01H1/50
Inventor 胡光福程明亮
Owner 宁波舜利高压开关科技有限公司