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[CN201810516604.X] Hydraulic-mechanical compound driving device
[CN201810516604.X] A hydraulic-mechanical composite drive device Title: A hydraulic-mechanical composite drive device Application number: CN201810516604.X Applicant: Taiyuan University of Technology Application date: 2018-5-25 Patent type: Invention application The present invention discloses a hydraulic-mechanical composite drive device, including electric motor, hydraulic motor, transmission box assembly, bearing assembly, ball screw transmission assembly, displacement/speed sensor, speed/torque/rotation angle sensor, electronic switch, adder, controller, motor controller and hydraulic circuit. The hydraulic-mechanical composite driving device connects the electric motor and the hydraulic motor in series to form a power source for driving, and converts the rotary motion into linear motion through the transmission box and the ball screw pair. The hydraulic-mechanical composite drive device retains the advantages of the electric cylinder while increasing the power density of the hydraulic system. Through the composite drive of hydraulic and electric motors, the power/weight ratio of the electric cylinder can be increased in a smaller size. To adapt to impact and heavy-duty occasions.
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