Actuator of airplane electric braking device
A technology of electric brakes and actuators, applied in the direction of brakes, brake transmission devices, vehicle components, etc., can solve the problems of complex structure, low transmission efficiency, and inability to realize closed-loop control, etc., and achieve the effect of high transmission efficiency and simple structure
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[0032] This embodiment is an electric brake actuator for an aircraft, including a housing, an end cover 3, a motor 4, a ball screw assembly, a force sensor 6, a needle bearing 7, a reduction gear assembly 8, a guide rod 9, and a piston 11 , heat insulation pad 12, signal processor 13 and plug assembly 14.
[0033] The piston 11 is installed in the middle housing 2 and the lower housing 10 , and is sealed with the middle housing 2 and the lower housing 10 by a sealing ring 5 . The ball screw assembly is installed in the piston 11 , and the ball nut 19 in the ball screw assembly is in clearance fit with the inner surface of the piston 11 . The top end of the ball screw is located in the upper casing 1 and cooperates with the upper casing 1 through a bearing. Ball screws 18 are located inside ball nuts 19 and mesh with each other. The guide rod 9 is located in the upper housing 1, and is fitted into the inner hole of the ball screw 18, and the two are slidingly fitted. The hea...
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