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Heat dissipation torque motor cover used for hydraulic actuator servo valve

A torque motor and hydraulic actuation technology, which is applied in the field of structural design of hydraulic actuator servo valves, can solve problems such as increasing zero bias, affecting the performance of servo valve torque motors, and the performance of hydraulic actuator servo valves cannot meet the requirements, etc.

Active Publication Date: 2014-03-05
FLIGHT AUTOMATIC CONTROL RES INST
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Its disadvantages are: heat dissipation
In the high temperature environment, the performance of the torque motor of the servo valve will be affected, the zero deviation will be increased, and finally the performance of the servo valve of the hydraulic actuator will not meet the requirements.

Method used

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  • Heat dissipation torque motor cover used for hydraulic actuator servo valve
  • Heat dissipation torque motor cover used for hydraulic actuator servo valve

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Effect test

Embodiment Construction

[0008] The present invention will be described in further detail below. see figure 2 , the heat dissipation torque motor cover for the hydraulic actuator servo valve, including the valve body 1 and the torque motor 2 installed on the torque motor installation plane of the valve body 1, there is a mounting flange on the outside of the torque motor 2, A torque motor cover with a circular or rectangular cross section, the mounting flange of the torque motor cover is fixed on the torque motor installation plane of the valve body 1 by screws 4; 6 double-layer covers formed by coaxial stacking, the outer surface of the inner cover 5 is attached to the inner surface of the outer cover 6, the upper surface of the mounting flange of the inner cover 5 is attached to the lower surface of the mounting flange of the outer cover 6, and the screw 4 Fix the mounting flange of the inner cover 5 and the mounting flange of the outer cover 6 on the torque motor installation plane of the valve b...

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PUM

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Abstract

The invention belongs to the technique of structural design of a hydraulic actuator servo valve, and relates to improvement for a torque motor cover of the hydraulic actuator servo valve. The heat dissipation torque motor cover is characterized in that the torque motor cover is a double-layer cover formed by an inner cover body (5) and an outer cover body (6) in a coaxial sleeved mode, wherein the outer surface of the inner cover body (5) is provided with heat dissipation flow channels (5d) formed by grooves distributed in parallel. The heat dissipation torque motor cover used for the hydraulic actuator servo valve has heat dissipation capacity, the performance of a servo valve torque motor can be prevented from being influenced when the hydraulic actuator servo valve is used at a high temperature, and the performance of the hydraulic actuator servo valve can meet requirements.

Description

technical field [0001] The invention belongs to the structural design technology of a hydraulic actuator servo valve, and relates to the improvement of a torque motor cover used for a hydraulic actuator servo valve. Background technique [0002] The current structure of a torque motor cover for hydraulic actuator servo valves can be found in figure 1 , which includes a valve body 1 and a torque motor 2 installed on the torque motor installation plane of the valve body 1. There is a torque motor cover with a mounting flange and a circular or rectangular cross section on the outside of the torque motor 2. Through The screw 4 fixes the mounting flange of the torque motor cover on the torque motor mounting plane of the valve body 1 . Its disadvantage is: heat dissipation capacity. Since the temperature of the oil medium inside the hydraulic actuator servo valve is in the range of -40°C to 120°C, it can be as high as 130°C for a short time; the ambient operating temperature is ...

Claims

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Application Information

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IPC IPC(8): F15B15/20
Inventor 翟晓燕牛世勇谢志刚
Owner FLIGHT AUTOMATIC CONTROL RES INST
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