Electronic parking actuator for electronic parking brake system of motor vehicle
An electronic parking and braking system technology, applied in the direction of brake actuators, mechanical equipment, gear transmission mechanisms, etc., can solve the problems of poor stability of actuators, decreased efficiency of actuators, and reduced safety factor in use, etc., to achieve Effects of stable structure, reduced friction radius, and small friction moment
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[0024] The technical solution provided by the present invention is an electronic parking actuator for the parking brake system of a motor vehicle, which is characterized by including a housing 3, a motor and its accessories 2, a transmission from the motor shaft to the planetary gear main shaft Mechanism 4, large transmission member 5, positioning device 6, planetary gear mechanism 8. The motor shaft to planetary gear main shaft transmission mechanism is connected to the large transmission member 5, and the large transmission member 5 is connected to the positioning device 6 through a positioning pin For positioning installation, wear-resistant parts are provided between the large transmission member 5 and the positioning device 6. The wear-resistant part is a sliding washer or insert 7, and the sliding washer or insert 7 is a metal material, and the sliding washer or insert 7 reduces axial wear of the transmission component matched with it. A wear-resistant lubricating coating...
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