A four-wheel drive off-road hydraulic transmission
A technology of hydraulic transmission and transmission, which is applied in the field of four-wheel drive off-road hydraulic transmission transmission, which can solve the problems of high cost of transmission, difficult operation of off-bridge, and large tire wear of four-wheel drive vehicles, and achieves simple box manufacturing and easy off-bridge The effect of simple and rapid control and convenient vehicle layout
Active Publication Date: 2017-12-26
ZHEJIANG ZHONGCHAI MACHINERY
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Problems solved by technology
[0002] At present, the power output of hydraulic transmission gearboxes in the field of forklift manufacturing is mostly unilateral output. This type of gearbox can only be used for ordinary two-wheel drive forklifts, and for some off-road forklift hydraulic transmission gearboxes that require four-wheel drive , using front and rear bilateral drive, and its rear axle off-bridge device is mainly a mechanical rigid off-bridge, the main disadvantages are: generally need to stop the operation, and the off-bridge operation is difficult; moreover, some full-time four-wheel drive forklifts use a central differential lock to connect the front and rear Bridge, the main disadvantages are: this type of gearbox has high cost, large structural size, and large tire wear for full-time four-wheel drive vehicles
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[0019] Examples, see e.g. Figure 1 to Figure 3 As shown, a four-wheel drive off-road hydraulic transmission includes a gearbox body 100, and the gearbox body 100 is provided with a first clutch shaft 1, a second clutch shaft 2, an off-bridge shaft 3, a total input shaft 4, Front axle output shaft 5 and rear axle output shaft 6;
[0020] One end of the main input shaft 4 is fixed with a first transmission gear 7 and a second transmission gear 8, and the other end of the main input shaft 4 is fixed with a third transmission gear 9; one end of the first clutch shaft 1 is fixed with a fourth transmission gear 10 And the first clutch transmission gear 11 is hinged, and the other end of the first clutch shaft 1 is hinged with the second clutch transmission gear 12; One end of the second clutch shaft 2 is fixed with the fifth transmission gear 13 and is hinged with the third clutch transmission gear 14 , the other end of the second clutch shaft 2 is hinged with the fourth clutch tr...
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The invention discloses a four-wheel drive off-road hydrodynamic transmission speed changer. The four-wheel drive off-road hydrodynamic transmission speed changer comprises a gearbox body which is internally provided with a first clutch shaft, a second clutch shaft, an axle disengaging shaft, a total input shaft, a front axle output shaft and a rear axle output shaft. A first transmission gear and a second transmission gear are fixed to one end of the total input shaft, and a third transmission gear is fixed to the other end of the total input shaft. One end of the first clutch shaft is provided with a fourth transmission gear in a fixed mode, and a first clutch transmission gear in a hinged mode, and a second clutch transmission gear is hinged to the other end of the first clutch shaft. One end of the second clutch shaft is provided with a fifth transmission gear in a fixed mode, and a third clutch transmission gear in a hinged mode. According to the four-wheel drive off-road hydrodynamic transmission speed changer, wet type clutch axle disengaging is adopted, axle disengaging control is easy and rapid, manufacturing of the gearbox body is simple, the front axle output shaft and the rear axle output shaft of the speed changer are directly connected with a front axle and a rear axle, and thus whole vehicle arrangement is convenient.
Description
Technical field: [0001] The invention relates to the technical field of transmissions, in particular to a four-wheel drive off-road hydraulic transmission. Background technique: [0002] At present, the power output of hydraulic transmission gearboxes in the field of forklift manufacturing is mostly unilateral output. This type of gearbox can only be used for ordinary two-wheel drive forklifts, and for some off-road forklift hydraulic transmission gearboxes that require four-wheel drive , using front and rear bilateral drive, and its rear axle off-bridge device is mainly a mechanical rigid off-bridge, the main disadvantages are: generally need to stop the operation, and the off-bridge operation is difficult; moreover, some full-time four-wheel drive forklifts use a central differential lock to connect the front and rear Bridge, the main disadvantages are: the cost of this type of gearbox is high, the structure size is large, and the tires of full-time four-wheel drive vehicl...
Claims
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IPC IPC(8): F16H47/06F16H57/023
CPCF16H47/06F16H57/023F16H2057/02043F16H2057/02086
Inventor 何孟兴梁毅锋孙天明姚杭杭潘路峰陈瑞枫
Owner ZHEJIANG ZHONGCHAI MACHINERY