Two stage belt drive mechanism for adjusting degree of tightness of strap
A technology of tightness adjustment and belt transmission, which is applied in transmission devices, belts/chains/gears, mechanical equipment, etc. It can solve the problems of loss of elasticity, unsuitability, short service life, etc., and achieve the effect of convenient replacement and adjustment.
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[0023] The present invention will be further described in detail below with reference to the embodiments of the accompanying drawings.
[0024] Figures 1 to 3 show an embodiment of the present invention, which is a two-stage belt drive belt tension adjustment mechanism applied to a miter saw, a table saw or a flip saw, comprising a frame 1, a first The transmission wheel 2, the second transmission wheel 3, the intermediate rotating shaft 4, the intermediate large wheel 5, the intermediate small wheel 6, the motor 20, the saw blade 21, the shape and size of the frame 1 can be designed according to the needs, the main and the adjustment mechanism It is related to what mechanical structure it is applied to. Generally, a motor 20 is fixed on the casing 1 and the rotating shaft 11 of the motor 20 is passed through, and an output rotating shaft 12 is generally fixed on the casing 1;
[0025] The first transmission wheel 2 is connected with the rotating shaft 21 of the motor 20 which...
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