Crank arm assembly and power transmission self-locking mechanism using crank arm assembly
An arm assembly and self-locking technology, which is applied in mechanical equipment, transmission devices, belts/chains/gears, etc., can solve problems such as complex structures and achieve simple structures
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[0025] A power transmission self-locking mechanism of the present invention, such as figure 1 As shown, it includes a base 1, a guide post 2, a crank arm assembly 3 and a cover plate 19, and the base 1 is as Figure 7-9 As shown, the base 1 is provided with a chute 15 with left and right trough walls, and the guide post 2 guides and moves up and down and is assembled in the chute 15. The guide post 5 is as shown in FIG. Figure 5-6 As shown, it includes a guide rod part 2-1 for outputting linear motion downwards and a guide part 2-2 fixed on the upper end of the guide rod part 2-1 and cooperating with the guide movement of the chute 15. The guide part 2-2 is provided with There is a transmission groove 11 with upper and lower groove walls, and a crank arm assembly 3 is arranged in the transmission groove 11, and the crank arm assembly 3 is as Figure 3-4 As shown, it includes a power input shaft 7 whose axis for inputting torque to the crank arm assembly 3 extends in the fron...
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