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Method for assembling separation lining and cylinder body of actuator

An assembly method and actuator technology, applied in metal processing, metal processing equipment, manufacturing tools, etc., can solve the problems of reduced assembly survival rate, low assembly efficiency, and damage to the separation bush 2, so as to improve assembly efficiency and survival The effect of improving efficiency and assembly efficiency

Active Publication Date: 2012-12-26
FLIGHT AUTOMATIC CONTROL RES INST
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The disadvantage of this assembly method is that it is difficult to align the installation groove 2a on the separation bush 2 with the positioning pin hole on the outer surface of the separation bush installation section on the actuator cylinder 1 by visual alignment, so that the assembly The efficiency is very low; when there is a deviation between the installation groove 2a on the spacer bushing 2 and the positioning pin hole on the outer surface of the spacer bushing installation section on the actuator cylinder 1, forcing the positioning pin 3 into it is likely to cause positioning Damage to the pin 3 or the spacer bush 2, resulting in a decrease in the survival rate of the assembly
The assembly survival rate of this assembly method is less than 60%

Method used

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  • Method for assembling separation lining and cylinder body of actuator
  • Method for assembling separation lining and cylinder body of actuator
  • Method for assembling separation lining and cylinder body of actuator

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0024] In Embodiment 1, the wedge angle α of the lower wedge segment 4a of the wedge-shaped alignment pin 4 is 15°. The assembly steps are as follows:

[0025] 1. Install the piston assembly with the spacer bush 2 installed into the actuator cylinder 1;

[0026] 2. Visual alignment;

[0027] 3. Use wedge-shaped alignment pin 4 to align;

[0028] 4. Take out the wedge-shaped alignment pin 4;

[0029] 5. Install the spacer bush positioning pin 3 to complete the assembly.

Embodiment 2

[0030] In Embodiment 2, the wedge angle α of the lower wedge segment 4a of the wedge-shaped alignment pin 4 is 18°. The assembly steps are as follows:

[0031] 1. Install the piston assembly with the spacer bush 2 installed into the actuator cylinder 1;

[0032] 2. Visual alignment;

[0033] 3. Use wedge-shaped alignment pin 4 to align;

[0034] 4. Take out the wedge-shaped alignment pin 4;

[0035] 5. Install the spacer bush positioning pin 3 to complete the assembly.

Embodiment 3

[0036] In Embodiment 3, the wedge angle α of the lower wedge segment 4a of the wedge-shaped alignment pin 4 is 20°. The assembly steps are as follows:

[0037] 1. Install the piston assembly with the spacer bush 2 installed into the actuator cylinder 1;

[0038] 2. Visual alignment;

[0039] 3. Use wedge-shaped alignment pin 4 to align;

[0040] 4. Take out the wedge-shaped alignment pin 4;

[0041] 5. Install the spacer bush positioning pin 3 to complete the assembly.

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Abstract

The invention belongs to an assembly technique for an actuator, and relates to improvement on a method for assembling a separation lining and a cylinder body of the actuator and a special wedge-shaped alignment pin. The method comprises the following assembling steps of: installing a piston assembly provided with the separation lining 2 in the cylinder body 1 of the actuator; aligning visually, and aligning by using the wedge alignment pin 4; taking the wedge alignment pin 4 out; and installing a positioning pin 3 of the separation lining, and finishing assembly. The wedge alignment pin is formed by connecting upper, middle and lower sections, wherein the upper section is a cylindrical section [4c]; the middle section is an approximately rectangular section [46]; and the lower section is a wedge-shaped section [4a]. The method can ensure that a mounting slot 2a on the separation lining 2 is correctly aligned with a positioning pin hole on the outside surface of an installation section of the separation lining on the cylinder body 1 of the actuator, so that the assembling efficiency and survival rate of the separation lining and the cylinder body of the actuator are improved.

Description

technical field [0001] The invention belongs to the actuator assembly technology, and relates to the improvement of the assembly method of the actuator separation bush and the cylinder body and a special wedge-shaped alignment pin. Background technique [0002] For the assembled structure of the actuator spacer bush and the actuator cylinder, see figure 1 , the partition bushing 2 is located inside the installation section of the actuator cylinder 1 partition bushing. On the outer cylindrical surface of the spacer bushing 2, there are two centrally symmetrical mounting grooves 2a parallel to the diameter of the spacer bushing 2. The section of the mounting groove 2a is rectangular. figure 2 , 3 . On the outer surface of the actuator cylinder 1 separating the bushing installation section, there are two positioning pin holes at positions corresponding to the above two installation grooves 2a, and the positioning pin 3 is located between the positioning pin holes of the act...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B23P19/10
Inventor 朱朝锋黄玖琦
Owner FLIGHT AUTOMATIC CONTROL RES INST