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三维PROE 两轴式五档 东方 之子 1.8 轿车 变速器 设计 三维 PROE 两轴式 五档

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黑龙江工程学院本科生毕业设计摘 要变速器是汽车传动系统中比较关键的部件，它的设计好坏将直接影响到汽车的实际使用性能。变速器用来改变发动机传到驱动轮上的转矩和转速，目的是在原地起步，爬坡，转弯，加速等各种行驶工况下，使汽车获得不同的牵引力和速度，同时使发动机在最有利工况范围内工作。变速器设有空挡和倒挡。需要时变速器还有动力输出功能。因为变速箱在低档工作时作用有较大的力，所以一般变速箱的低档都布置靠近轴的后支承处，然后按照从低档到高档顺序布置各档位齿轮。这样做既能使轴有足够大的刚性，又能保证装配容易。变速箱整体结构刚性与轴和壳体的结构有关系。一般通过控制轴的长度即控制档数，来保证变速箱有足够的刚性。本文设计研究了两轴式五挡手动变速器，对变速器的工作原理做了阐述，变速器的各挡齿轮和轴做了详细的设计计算，并进行了强度校核，对一些标准件进行了选型。变速器的传动方案设计并讲述了变速器中各部件材料的选择。关键字：变速器；传动比；齿轮；轴；强度校核ABSTRACTTransmission is more critical in automotive driveline components, its design will directly affect the vehicles actual performance. Transmission is used to change the engine torque on the wheel and reached the speed, aimed at standing start, climbing, cornering, acceleration and other driving conditions, making the car get different traction and speed, while the engine in the most favorable conditions within the work. Transmission with neutral and reverse gear. Necessary transmission power output as well. Because the role of transmission in low-grade work, have a greater force, it is generally low-grade transmission are arranged close to the shaft bearing at the rear, then follow the order from low to high gear arrangement of the stalls. This not only makes a large enough axial rigidity, but also ensures easy assembly. The overall structure of the gearbox shaft and the rigid shell structure with a relationship. Usually by controlling the length of the shaft that controls the number of files, to ensure there is sufficient rigidity gearbox. This design study of the two-axis five-speed manual transmission, the transmission works are described in detail, transmission gears and shafts of the gear to do the detailed design calculations, and make a strength check, carried out a number of standard parts selection . Transmission of the transmission design and about the transmission of each component material selection. 朗读显示对应的拉丁字符的拼音字典