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Slide slot type guide tooth limiting and guide device of electromechanical actuator

An electromechanical actuator and guiding device technology, applied in transmission devices, mechanical equipment, belts/chains/gears, etc., can solve the problems of poor neutrality, mechanism stuck, efficiency loss, etc., and achieve good friction state, The effect of changing the friction state and improving the efficiency

Active Publication Date: 2018-05-11
BEIJING RES INST OF PRECISE MECHATRONICS CONTROLS +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

There is a surface contact between the guide bar and the actuator rod, and the friction is relatively large, which will cause efficiency loss, and the heat will be obvious after long-term work; in addition, the guide bar is installed Deviation, easy to cause mechanism stuck

Method used

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  • Slide slot type guide tooth limiting and guide device of electromechanical actuator
  • Slide slot type guide tooth limiting and guide device of electromechanical actuator
  • Slide slot type guide tooth limiting and guide device of electromechanical actuator

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Embodiment Construction

[0031] An electromechanical actuator chute-type guide tooth position-limiting and guiding device provided by the present invention will be further described in detail below in conjunction with the accompanying drawings and specific embodiments.

[0032] Such as image 3 As shown, an electromechanical actuator chute-type guide tooth limit guide provided by the present invention includes an actuating rod 7, an actuator housing 8, a guide tooth 9, a guide tooth groove 10, and a screw rod 11. , support ring 12, screw and spring washer 13, screw and spring flat washer 14, cylindrical pin 15, nut 16;

[0033] The base body of the guide tooth 9 is installed in the groove along the axial direction on the side of the inner hole of the actuator housing 8, and the guide tooth 9 is axially fixed by screws and spring pads 14, and the base body of the guide tooth 9 is pressed into the In the groove of the actuator housing 8, the fit is a small interference fit; the actuator rod 7 is locate...

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Abstract

The invention belongs to the technical field of interior structure design of electromechanical actuators, and particularly relates to a slide slot type guide tooth limiting and guide device of an electromechanical actuator. A base body of a guide tooth is fixedly mounted in a groove in the axial direction in one side of an inner hole of an actuator housing; an actuating rod is positioned inside the actuator housing, and one end of the actuating rod gets out of the actuator housing; a nut sleeves the outer wall of a lead screw, and is connected with the other end of the actuating rod; a guide tooth slot base body is pressed into the groove in the actuating rod and is fixed; a supporting ring is mounted on the actuating rod and is in contact with the actuator housing; and the guide tooth isin engaged connection with the guide tooth slot. The slide slot type guide tooth limiting and guide device changes surface-surface friction into line-line friction or line-surface friction, can acheive the effect as rolling friction within a short-time working occasion, and greatly reduces friction force and efficiency loss.

Description

technical field [0001] The invention belongs to the technical field of internal structure design of electromechanical actuators, and in particular relates to a chute-type guide tooth limit guide device for electromechanical actuators. Background technique [0002] In the aerospace vehicle control system, the electromechanical servo system is an important executive system, which plays a role in controlling the flight attitude of the aircraft. In recent years, due to the advantages of compact structure, high specific power and convenient maintenance, the electromechanical servo system has developed rapidly and has many successful applications. [0003] As an important part of the electromechanical servo system, the electromechanical actuator is the actuator of the electromechanical servo system. During work, the rotational motion of the motor is converted into a linear output through the action of the screw pair. The conversion process also needs to limit the movement of the a...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F16H25/20F16C31/02
CPCF16C31/02F16H25/20F16H2025/204
Inventor 刘亭刘伟牛涛赵国平王春明
Owner BEIJING RES INST OF PRECISE MECHATRONICS CONTROLS
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