Cycloidal-pin wheel speed reduction type electric steering engine
A technology of cycloidal pinwheel deceleration and electric steering gear, which is applied in the direction of electric components, electrical components, electromechanical devices, etc., can solve the problem that the electric steering gear cannot bear large torque and bending moment load, and achieve compact structure and high reduction ratio Large, highly dynamic effects
Active Publication Date: 2020-04-28
BEIJING AUTOMATION CONTROL EQUIP INST
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[0004] The invention proposes a cycloidal pinwheel deceleration electric steering gear to solve the technical problem that the electric steering gear cannot carry large torque and bending moment in a narrow space
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[0053] It should be noted that, in the case of no conflict, the embodiments in the present application and the features in the embodiments can be combined with each other. The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. The following description of at least one exemplary embodiment is merely illustrative in nature and in no way taken as limiting the invention, its application or uses. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of the present invention.
[0054] It should be noted that the terminology used here is only for describing specific implementations, and is not intended to limit t...
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The invention provides a cycloidal-pin wheel speed reduction type electric steering engine. The cycloidal-pin wheel speed reduction type electric steering engine comprises a servo motor, a servo motorbevel gear, a shell, an eccentric shaft, a rear end cover, a first crossed roller bearing assembly, a second crossed roller bearing assembly, a first cycloidal gear support, a second cycloidal gear support, a first cycloidal gear support roller assembly, a second cycloidal gear support roller assembly, a roller pin assembly, a cycloidal gear, a flange and an axial locking part, wherein the eccentric shaft, the rear end cover, the first crossed roller bearing assembly, the second crossed roller bearing assembly, the first cycloidal gear support, the second cycloidal gear support, the first cycloidal gear support roller assembly, the second cycloidal gear support roller assembly, the roller pin assembly, the cycloidal gear, the flange and the axial locking part are arranged in the shell. According to the technical scheme, the first cycloidal gear support cooperates with the cycloidal gear and the rear end cover, and the second cycloidal gear support cooperates with the cycloidal gear and the flange, so that the hinge moment and bending moment bearing capacity of the steering engine are remarkably improved, and the steering engine has the advantages of being high in rigidity and precision and simple and compact in structure; and the electric steering engine can realize high-bearing and high-precision operation in a narrow space.
Description
technical field [0001] The invention relates to the technical field of aircraft rudder surface control, in particular to a cycloidal pinwheel deceleration electric steering gear. Background technique [0002] The function of the electric steering gear in the field of aerospace is to deflect the rudder surface of the aircraft, which has achieved the purpose of controlling the flight attitude of the aircraft. The electric steering gear is composed of three parts: servo motor, deceleration mechanism and position sensor. The deceleration mechanism is generally realized by a) harmonic reducer or b) ball screw + connecting rod mechanism. Most of the small and low-power electric steering gears use Most of the harmonic reducers with high power use ball screw + connecting rod mechanism. The harmonic reducer is small in size and light in weight. Because the principle is flexible transmission, its torque carrying capacity is limited, and when the harmonic reducer is subjected to a ben...
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IPC IPC(8): F16H57/023F16H57/021F16H57/00H02K7/116
CPCF16H57/00F16H57/021F16H57/023F16H2057/02086H02K7/116
Inventor 张新华钱帅黄建王莹刘天龙
Owner BEIJING AUTOMATION CONTROL EQUIP INST
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