Gear ratio devices for hoisting gear, hoisting gear and cranes
A technology of hoisting mechanism and variable speed ratio, which is applied in hoisting device, transmission device, clockwork mechanism, etc., can solve the problems of small operating speed range of hoisting mechanism, slow falling speed of crane, and limited maximum speed value, etc. Achieve the effects of reducing energy consumption, increasing rope capacity, and reducing use costs
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[0038] Specific embodiments of the present invention will be described in detail below in conjunction with the accompanying drawings. It should be understood that the specific embodiments described here are only used to illustrate and explain the present invention, and are not intended to limit the present invention.
[0039] In the present invention, in the case of no contrary description, the used orientation words such as "up, down, left and right" usually refer to the up, down, left and right shown in the accompanying drawings; "inside and outside" Refers to the inside and outside of the outline of each part itself.
[0040] According to one aspect of the present invention, a gear ratio device for a hoisting mechanism is provided, with appropriate reference to figure 2 and image 3As shown, the gear ratio device includes a first power input member (such as the first friction wheel 1 described below), a second power input member (such as the second friction wheel 2 descr...
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