An emergency unlocking device for a door system
An emergency unlocking and door system technology, applied in the field of emergency unlocking devices, can solve the problems of inability to realize remote control unlocking, difficult maintenance, and high cost, and achieve the effects of good application prospects, convenient assembly and simple structure.
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[0017] The present invention will be further described below in conjunction with the accompanying drawings.
[0018] like figure 1 , figure 2 and image 3 As shown, the emergency unlocking device for the rail transit vehicle door system of the present invention includes an unlocking bracket 1, a return torsion spring 2, a screw mandrel 3, a slideway 4, a wedge 5, a locking torsion spring 6, a nut assembly 7, Transmission frame 8, motor 9, cylinder 10, cylinder bracket 11, connection assembly 12, support frame 13, linkage frame 14, roller 15, unlocking shaft 16, switch assembly 17, retaining ring 18, unlocking spring 19, anti-friction ring 20 , buffer head 21 and pull rod 22, described slideway 4 is horizontally installed on the top of door leaf, described slideway 4 top is provided with cylinder support 11, and described cylinder 10 is installed on the cylinder support 11, and the piston rod of described cylinder 10 It is connected with the front end of the connection asse...
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