Electro-mechanical braking actuator of rail vehicle and rail vehicle
An electro-mechanical braking and rail vehicle technology, applied in the field of rail vehicle braking systems, can solve problems such as the inability to realize precise control of braking force and the inability to realize the anti-skid function of rail vehicle brakes, so as to achieve constant clearance, increase reliability, Achieving Precisely Controlled Effects
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[0036] A rail vehicle electromechanical brake actuator, the actuator includes a motor 3, one end of the motor 3 is connected with a gear transmission system, the gear transmission system includes a high-speed gear 6 and a low-speed gear 7, the gear transmission One end of the system is connected with a screw drive, which includes a lead screw 8 and a screw nut 9, and one end of the screw drive in the direction of travel is fixedly connected with a brake pusher 14, so A force sensor 12 is provided at the other end of the screw drive in the direction of travel.
[0037] like figure 1As shown, the actuator includes a housing 1, which is formed by processing aluminum or stainless steel, and has an installation interface at the end to connect with the body of the electromechanical brake caliper. A motor 3 is installed inside the shell 1. The motor 3 is preferably a permanent magnet inductive brushless motor, which includes a motor body and a rotor output shaft: a manual relief dev...
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