大肠杆菌培养基
ZL40装载机行星式动力换挡变速箱设计the design for ZL40 loader planetary power shift transmission制动室
学 院（系）：机械工程学院
专 业： 机械设计制造与其自动化
摘要
本次设计为ZL40装载机行星式动力换挡变速箱。ZL40装载机是一种轮式装载机，被广泛应用于建筑、铁路、公路、水电、港口、矿山、农田基本建设与国防等工程中，更多地被用来对土壤、砂石、石灰、煤炭等散装物进行铲装、搬运、卸载与平整作业，也可轻度铲挖矿山、硬土以与装卸钢管、木料等，具有作业速度快、效率高、机动灵活、操纵方便这些特点，已经成了工程建设中土石方施工的主要机种之一。而行星式动力变速箱具有结构紧凑、载荷容量大、传动效率高、齿间负荷小、结构刚度好、输入输出轴同心和更加容易地实现动 力与自动换挡等优点，同时也有结构复杂、零件多、制造精度高、修理复杂等不足之处。随着制造加工精度的提高，这种变速箱不仅在工程车辆上得到了被普遍使用，在汽车上的应用也越来越广泛。
智能鞋柜
滚动转子式压缩机首先通过发动机与液力变矩器的匹配设计计算，使发动机功率能够充分利用，进而改善装载机牵引性能，然后选择装载机的传动方案，变速箱有两个前进档位，一个后退档位，通过操纵两个换挡离合器便可实现换挡。离合器类型为双离合器，换挡迅速平稳。最后进行了变速箱主要参数的确定和配齿计算，通过主要零部件的强度刚度计算以与轴承寿命验算，变速箱满足了设计要求。关键词：轮式装载机；匹配；牵引特性暖脐贴；行星式变速器；动力换挡
Abstract
The topic of this design is the ZL40 loader planetary power shift transmission. The loader ZL40 is a kind of wheel loader, is widely used in construction, railway, highway, water and electricity, port, mines, farmland capital construction and national defense projects, it is m
ainly used for soil, sandstone, limes, coal and other bulk to shovel loading, handle, unload and do the smooth operations, can be used to slightly dig the mine, hard soil, and to load and unload steel, wood, etc.,with fast operation speed, high efficiency, flexible and convenient manipulation, become one of the main models of the conditions in the construction of engineering construction. The planetary power shift transmission has a compact, load capacity, transmission efficiency, the load between teeth small, the structure stiffness, input and output shaft concentric and easy to implement dynamic and automatic shift, etc., but also a complex, multi-part, high precision manufacturing, maintenance problems and other Shortcomings. As the manufacturing process to improve the accuracy of such transmission-type vehicles not only in engineering has been widely used in automotive applications are increasingly widespread.
First, by matching the engine and torque converter design and calculation, the engine power is fully utilized, Loader in order to improve traction performance, and then select the loader transmission scheme, transmission has two forward gears, back a gear, shifting through the manipulation of the two clutch shift can be realized. Clutch type dual
clutch, shift quickly and smoothly. Finally, to determine the main parameters of the transmission and distribution gear calculation, calculated by the intensity of the main components and checking the bearing life, transmission to meet the design requirements.
Keywords: Wheel Loaders; Matching; Tractive Characteristics; Planetary Transmission; Power Shift
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