Three-phase linkage type electrical switch
A three-phase linkage, electrical switch technology, applied in electrical switches, air switch parts, electrical components, etc., can solve the problem of not accurately reflecting the opening and closing status of the main body of the non-mechanical phase switch.
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Embodiment 1
[0046] The structure of the three-phase linkage electrical switch is as follows: Figure 1 to Figure 4 As shown, the three-phase linkage electrical switch in this embodiment is an isolating switch, which includes a three-phase switch main body arranged in separate boxes, and the three-phase switch main bodies are distributed sequentially in the horizontal plane. The switch housing 20 is provided with dynamic and static contacts respectively to form a breaking structure. The power input shaft 30 is sealed and penetrated on the switch housing 20, and a dustproof cover 9 is set on the power input shaft 30. The power input here The shaft 30 is used to connect the connecting rod transmission mechanism 4 to input driving force to the main body of the three-phase switch to realize the opening and closing operation.
[0047] In this embodiment, an operating mechanism 1 is fixedly installed on one of the side phases of the three-phase switch main body, and the operating mechanism 1 is ...
specific Embodiment 2
[0056] The main difference between it and Embodiment 1 is that in Embodiment 1, a first opening and closing indicating device is provided on the mechanism box to display the opening and closing status of the main body of the mechanism phase switch. In this embodiment, a first opening and closing indicator device can be installed on the main body of the mechanism phase switch. At this time, the pointer can be fixedly installed on the power input shaft, and the opening and closing indicator board can be fixedly installed on the switch housing. At this time, a total of four opening and closing indicating devices are provided.
specific Embodiment 3
[0058] The difference between it and Embodiment 1 is that in Embodiment 1, in the second opening and closing indicating devices of the two non-mechanism phase switch main bodies, the pointer is fixedly installed on the power input shaft, and the opening and closing indicator board is fixedly installed on the corresponding on the switch housing. In this embodiment, the pointer can also be fixedly installed on the switch housing, and the opening and closing indicator board can be fixedly installed on the corresponding power input shaft. At this time, when the power input arm rotates with the power input shaft to realize When the opening and closing action, the opening and closing indicator will follow the rotation to realize the opening and closing indication.
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