Air door locking device capable of remotely unlocking in underground coal mine
A locking device and damper technology, which is applied to mine/tunnel ventilation, mining devices, building locks, etc., can solve the problem of inability to remotely release the damper locking device, and achieve the effects of remote monitoring of the locking state, easy management, and reliable locking.
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[0022] In order to make the object, technical solution and advantages of the present invention more clear, the present invention will be further described in detail below in conjunction with the examples. It should be understood that the specific embodiments described here are only used to explain the present invention, and are not intended to limit the present invention, that is, the described embodiments are only some of the embodiments of the present invention, but not all of the embodiments.
[0023] Such as Figure 1-6 As shown, a damper locking device that can be unlocked remotely in a coal mine is characterized in that it includes a housing 1, a rope comb hole 2, a short shaft reel 3, a steel wire rope 4, a sliding lock block 5, a locking steel ball 6, and a double-acting Cylinder 7, chute 8 and state sensor 9; The comb rope hole 2 is fixed on the housing 1, the central rotating shaft of the short-axis reel 3 is fixed on the housing 1, and the short-axis reel The cylin...
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