Position indicating and locking device
A locking device and indicating technology, applied in switchgear, switchgear parts, pull-out switchgear and other directions, can solve the problems of inaccurate position of circuit breaker, insufficient precision and reliability, and achieve accurate and reliable locking structure. The effect of eliminating visual errors and ensuring positioning accuracy
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[0016] Example one
[0017] The position indication and locking device of the drawer type circuit breaker of this embodiment is shown in Figures 1, 2 and 3, and is mainly composed of a bottom plate 16, a cover plate 17, a sliding plate 4, a drive screw 1, and can rotate around a pin 15 on the bottom plate 16. The indicator 2, the locking shaft 18, the locking plate 6 and so on. The bottom plate 16 supports the drive screw 1 and its locking mechanism. Two parallel sliding grooves 4a are formed on the sliding plate 4 that moves synchronously with the circuit breaker body. The two sliding grooves are respectively matched with the rollers 14 and 5 installed on the bottom plate 16 to form a first moving pair. Three U-shaped positioning grooves 4b are respectively formed on one side of the sliding plate corresponding to the separation, test and connection positions of the circuit breaker body.
[0018] The locking mechanism is arranged on the locking plate 6, and the locking plate coope...
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