Air door locking device and air door locking system
A locking device and damper technology, applied in the field of machinery, can solve problems such as hurting people, crowding people, etc., and achieve the effect of avoiding the failure of the locking device and solving the short circuit of the wind flow.
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[0035] figure 1 It is a structural schematic diagram of Embodiment 1 of the damper locking device of the present invention. Such as figure 1 As shown, the device of this embodiment may include: a first lock 400, a second lock 500, a first control valve 200 and a second control valve 300, the first lock 400 includes a first lock body 420 and a first lock groove 410, the second lock 500 includes a second lock body 520 and a second lock groove 510, the first lock body 420 is provided with a first cylinder 422 and is connected to the piston rod of the first cylinder 422 and is connected to the The first lock head 421 matched with the first locking groove 410, the second locking body 520 is provided with a second cylinder 522 and connected with the piston rod of the second cylinder 522 and connected with the second locking groove 510 Matching second lock head 521; the first locking body 420 is fixed on the door frame of the first damper and the first lock slot 410 is fixed on the...
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