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机械毕业设计论文-摩托车前减震器的设计.doc

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机械毕业设计论文-摩托车前减震器的设计.doc

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文档介绍:摩托车前减震器的设计

摘要:减震器又称缓冲器,是安装在摩托车悬挂装置上的一个重要零件。摩托车悬挂装置不仅决定了乘坐的舒适度,而且还是决定其运动性能的重要部件。而减震器的功能就是缓和由于路面不平引起的冲击,衰减摩托车的振动;提高乘坐舒适性,保护货载;减低车体各部分的运应力,增加零件的寿命;加强轮胎的附着性,有助于摩托车的操纵性、稳定性。
本文所设计的摩托车前减震器采用液力式减震方式,其工作行程为50 mm。通过弹簧减震为主。设计时减震弹簧采用组合式弹簧,由两段节距不同的等节距圆柱弹簧组成。在通常振动范围内,弹簧柔软,当车辆受到冲击时,弹簧变硬,有足够的能力吸收这种冲击能量。减震器的机能是利用流体通过减震杆上的孔、隙产生的粘性阻力。和固体摩托减震相比,利用液体紊流阻力的减震器,在一定阻尼力和吸收能量的条件下,质量小,尺寸小,并在相当的范围内具有能任意规定阻尼力对工作速度的关系等优点。
在设计过程中对前减震器的工作原理进行了说明,并确定了工作部分主要零件的相关参数,在已知条件的前提下分别对减震弹簧直径和自由高度,阻尼孔的数量和直径等进行设计计算。

关键词:前减震器弹簧阻尼设计
The design of motorcycle before
the shock absorber
Abstract : Dampers also known as buffer , is the installation of the hoisting device an ponent . Motorcycle hoisting device will not only decide the fort, but also to determine their performance movement of important parts . And the function of a shock absorber is easing due to the road surface uneven, the effect of vibration attenuation motorcycle; improveing fort, Protection of cargo; reduceing the stress of the body operation, increaseing the life expectancy ponents; strengthen tire adhesion. helping manipulation and stability of Motorcycle.
In this paper , motorcycle before shock absorber and the overall program analysis and design is the main content. Useing hydraulic shock absorber, its itinerary to 50 mm . Mainly through the spring damping, supplemented dampers. Damping spring design using modular spring,bination of spring two such different pitchs pitch cylindrical spring,. In the normal range of vibration, soft spring, when the vehicles to be shocked, springs stiffen and have sufficient capacity to absorb the impact energy . Damper function use the fluid through the Absorption of shock pole on the hole, the gap viscous resistance . pared to solid motorized damping, the use of liquid turbulent resistance dampers, to a certain damping force and absorb energy conditions, Quality small, size small, and the lack of scale with arbitrary requirements damping force on the relationship between the pace of work and

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