Hydraulic mechanical drive device for electric vehicle
A technology of hydraulic machinery and transmission devices, which is applied to multi-ratio transmissions, transmissions, fluid transmissions, etc., and can solve problems such as cost increase
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[0020] Example 1
[0021] A hydraulic mechanical transmission device for an electric vehicle includes a battery pack 1, an electric motor 3, a motor controller 2, a comprehensive hydraulic torque converter with a lock-up clutch 4, a power shift gearbox 5, and the battery pack 1 supplies power to the electric motor 3. The motor controller 2 controls the motor 3 to drive the integrated hydraulic torque converter 4 with a lock-up clutch. The integrated hydraulic torque converter with the lock-up clutch 4 is connected to the power shift transmission 5, and the power shift transmission 5 is connected The drive axle carries out the hydraulic mechanical transmission of the vehicle to realize the walking of the vehicle.
[0022] Generally, the current for the motor to start on load is very high. This will inevitably lead to an increase in the number of battery components. No extra storage battery is needed during normal operation, which again becomes a burden on the car, reducing its ope...
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