Lifting mechanism braking system of hoister
A technology of lifting mechanism and braking system, which is applied in the direction of clockwork mechanism, load suspension components, hoisting device, etc., which can solve the problems of accelerated descent, equipment and staff injury, equipment damage, etc., and reduce the impact load, avoid damage to parts, and ensure safety
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[0020] figure 1 Shown is the braking system of the hoisting mechanism of the single drum of the crane; the mechanical transmission chain of the hoisting mechanism of the crane is composed of the motor 1, the coupling 2, the reducer 6 and the drum 5. figure 2 As shown, the braking system of the double-drum hoisting mechanism consists of a motor 1, a coupling 2, a central reducer 7, a coupling 8 with a floating shaft, a secondary reducer 9 and a drum 5 to form a crane hoisting mechanism mechanical transmission chain. The braking system of the hoisting mechanism includes: the mechanical transmission chain of the hoisting mechanism; a pulse encoder is installed at the shaft end of the motor on the mechanical transmission chain, a pulse encoder is installed at the shaft end of the reel, and an overspeed switch for detecting the motor speed, etc. A fault detection element 11; a working brake 3 is installed on the high-speed shaft of the reducer in the mechanical transmission chain...
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