Isolating switch in vacuum on-load tap-changer
A technology of on-load tap-off and isolation switch, applied in electrical switches, contacts, electrical components, etc., can solve the problems of large sliding friction and affect the service life of switches, save space and materials, ingenious structural design, and improve reliability. effect on performance and longevity
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[0024] The present invention will be further described below in conjunction with the accompanying drawings and specific embodiments.
[0025] see together Figure 2-4 , see mainly figure 2 .
[0026] A disconnecting switch in a vacuum on-load tap changer, including a mounting plate 1, a spring 2, a swing rod 3, and a shift fork 4; the mounting plate 1 is provided with a pair of fixed contacts 1b, a spring swing groove 1c, and a spring 2 One end is fixed to the rotating shaft I1a, and the other end is hinged to the swing rod 3. The spring can swing around the rotating shaft I1a in the spring swing groove 1c; There is a double-sided movable contact 3b, the double-sided movable contact 3b corresponds to the fixed contact 1b; the shift fork 4 can rotate around its axis 4a, and the shift fork 4 is provided with a pair of claws 4b, the pair of claws 4b respectively toggle the corresponding rollers 3a, and the rollers 3a can roll on the contact surface with the claws 4b.
[0027...
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