TRANSMISSION OF HIGH-SPEED CRAWLER VEHICLE Russian patent published in 2007 - IPC B62D11/18 

Abstract RU 2307758 C1

FIELD: transport engineering.

SUBSTANCE: invention relates to transmissions of transport and traction crawler vehicles. Proposed transmission contains matching reduction gear being simultaneously power takeoff reduction unit, two similar final drives, hydrostatic transmission consisting of variable-capacity pump, fixed capacity motor and two connecting hydraulic lines, and two sum-up planetary mechanisms. Epicyclic gears of sum-up planetary mechanisms are coupled with output of matching reduction gear. Carriers are coupled with inputs of final drives. Sun gears are coupled through additional train with motor of hydrostatic transmission. Additional train consists of two gear trains with equal number of external spur gearings between motor and each sun gear of sum-up planetary mechanisms. Additional train is furnished with two disengageable friction clutches and two controllable brakes. Each of two sum-up planetary mechanisms is furnished with controllable lock-up friction clutch installed between epicyclic and sun gears.

EFFECT: simplified steerability of vehicle, reduced required installed power of hydrostatic transmission and simultaneous reduction of mass-and-dimension parameters of steering gear, increased reliability and service life.

1 dwg

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RU 2 307 758 C1

Authors

Filichkin Nikolaj Vasil'Evich

Dates

2007-10-10Published

2006-07-24Filed