Electric automobile hub hydraulic motor driving system
A technology for hydraulic motors and electric vehicles, applied in motion deposition, power units, vehicle components, etc., can solve the problems of complex wheel-side mechanism structure, inflexible motor and power supply space layout, large unsprung mass, etc., and achieve light weight. , eliminating the need for reducer and differential, the effect of rapid response
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[0017] The present invention will be further described below in conjunction with accompanying drawing.
[0018] The present invention is an electric vehicle hub hydraulic motor drive system, including wheels 8, battery pack 3, DC / DC converter 2, motor 4, electronic control unit 1, hydraulic transmission system and continuously variable automatic control system. Among them, the hydraulic transmission system includes a fuel tank 5 connected through oil pipes, a one-way variable pump 6, two high-speed switching valves 10 for the left and right wheel circuits, two reversing valves 7 and two wheel hub hydraulic motors 9, the one-way variable The pump 6 is a plunger one-way variable pump, the high-speed switch valve 10 is an electromagnetic two-position three-way high-speed switch valve, the reversing valve 7 is an electromagnetic two-position four-way reversing valve, and the hydraulic motor 9 is an electromagnetic two-position four-way reversing valve. What is the ball plug type i...
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