The invention discloses an electric worm-gear airplane braking system and a method for operating the braking system, and relates to the field of the braking system and operating method. The braking system comprises an electric actuator, wheel axles, a support cover, a pressure sensor, a brake disc, airplane wheels and a revolution speed transducer, wherein the electric actuator comprises an actuator casing, a motor, a coupling shaft, worms, worm gears, a ball screw, ball nuts and an outer cylinder, and the worms and the worm gears are in the engaging transmission state; the revolution speed transducer is connected with the wheel axles through a revolution speed transducer installation shaft. An electric actuation and worm-gear transmission way is applied to the braking system, so that the complexity of the mechanism is reduced, the weight of the mechanism is alleviated, the braking system can offer the possibility to a dual-redundancy design idea; besides the installing problems of the pressure sensor and the revolution speed transducer are considered, the double-feedback control system with pressure and rotation speed closed loops can be realized and efficiency and reliability of the braking system are improved.
Electric worm-gear airplane braking system and method for operating braking system
2015-06-03
Patent
Electronic Resource
English
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