Stage hoist
A winch and stage technology, applied in the direction of hoisting device, spring mechanism, etc., to achieve the effect of enhancing safety and simple mechanism
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[0016] The specific implementation, non-limiting examples are as follows:
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[0017] Example: Combined Figure 1-3 , the present embodiment stage winch comprises: band disc brake, frequency conversion motor 1 of encoder, speed reducer 2, large-diameter reel 3, one end of reel rotating shaft is erected on the frame 5 with bearing block 4, the reel rotating shaft The other end is erected on the frame 5 with the bearing block 12 loaded with the overload device, so as to prevent the phenomenon of overload suspension. A wire rope 6 is wound on the reel and the wire rope is suspended with a hook 7. Ratchets 8 are fixedly connected to the flanges at both ends of the reel respectively, and two interlocking ratchets 8 are arranged to cooperate with the two ratchets respectively. Claw 9, the two pawls are coaxial and the pawl shaft 10 is rotatably arranged on the frame 5, and the pawl shaft is driven to rotate and locked by a motor 11 fixedly connected to its shaft end.
[0018] In the specific setting, the safety factor of the hook, wire rope, reel, ratchet and...
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