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目前,踏板摩托车通常采用的是皮带式无级变速器,其构造主要由主动带轮、从动带轮、传动皮带和离合器等组成。主动带轮安装于发动机曲轴上,由主动固定轮、主动移动轮、离心滚柱和底盘等组成。从动带轮由从动固定轮、从动移动轮和压紧弹簧等组成。离合器底盘与从动带轮联动,并安装有离心块,当从动轮转速达到规定值时,离心块克服弹簧拉力,径向移动,与离合器鼓接合,并带动车轮转动。从动轮转动越快,离心块的压紧力就越大,离合器能传
At present, the scooter usually adopts a belt-type continuously variable transmission, and its structure is mainly composed of a driving pulley, a driven pulley, a transmission belt and a clutch. Active pulley mounted on the engine crankshaft, the active fixed wheel, the initiative moving wheels, centrifugal rollers and chassis and other components. The driven pulley consists of a driven fixed wheel, a driven moving wheel and a compression spring. Clutch chassis and driven pulley linkage, and the installation of centrifugal block, when the driven wheel speed reaches a predetermined value, the centrifugal block to overcome the spring tension, radial movement, with the clutch drum, and bring the wheel rotation. Follower wheel rotation faster, the greater the pressure of the centrifugal block, the clutch can pass