目前,小型高速发动机一般都采用橡胶式扭振减振器.这种减振器是利用惯性块的惯量和橡胶的弹性来改变原系统的扭振特性,并依靠橡胶的内摩擦阻尼吸收部分振动能量,使曲轴扭振得以减弱.橡胶式扭振减振器与上海牌轿车680Q型汽油机原装用的摩擦片式减振器相比,具有结构简单、制造容易、重量轻、成本低、工作可靠、维护方便等优点.因此,上海牌轿 Currently, small high-speed engines are generally rubber-type torsion vibration damper.This shock absorber is the inertia of the inertia block and rubber elasticity to change the original system of torsional vibration characteristics and rely on the internal friction damping rubber absorption part of the vibration Energy, so that crankshaft torsional vibration can be weakened.Rubber torsional vibration absorber and Shanghai brand 680Q gasoline engine original friction plate absorber compared with the simple structure, easy to manufacture, light weight, low cost, reliable work , Easy maintenance, etc. Therefore, the Shanghai brand sedan