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Quick disassembling actuator cylinder

A technology for actuators and outer cylinders, which is applied in the direction of fluid pressure actuation devices, etc., which can solve the problems of the harsh environment of the actuator and the lack of durability of the actuator, so as to enhance the wear resistance and improve the service life , Improve the effect of shrinkage efficiency

Active Publication Date: 2018-11-06
LANDING GEAR ADVANCED MFG
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The design related to the dynamic seal of the quick-release hydraulic actuator is the short board of the durability design. The general actuator will consider the quick-release action in one or more aspects such as function, cushioning, sealing, quick release, material and manufacturing process. Due to the design of the cylinder end assembly, the durability of some large actuators, bearing large actuators or operating cylinders in harsh environments often fails to meet the design goals.

Method used

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Examples

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Embodiment Construction

[0044] The present invention will be described in detail below in conjunction with examples. It should be noted that, in the case of no conflict, the embodiments of the present invention and the features in the embodiments can be combined with each other. For the convenience of description, if the words "up", "down", "left" and "right" appear in the following, it only means that the directions of up, down, left and right are consistent with the drawings themselves, and do not limit the structure.

[0045] Such as Figure 1 to Figure 10 As shown, a quick release cylinder includes an outer cylinder 6 and a piston rod 1, one end of the outer cylinder 6 is detachably fixed with a stop ferrule 3, and the piston rod 1 passes through the stop ferrule 3 Extending into the outer cylinder 6, one end of the piston rod 1 extending into the outer cylinder is provided with a protrusion matching the outer cylinder; the inner side of the stop ferrule 3 is provided with a guide sleeve 5 sleev...

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Abstract

The invention relates to a quick disassembling actuator cylinder. The quick disassembling actuator cylinder comprises an outer cylinder and a piston rod, wherein a stop clamping sleeve is detachably fixed at one end of the outer cylinder; a section of the piston rod penetrates through the stop clamping sleeve to extend into the outer cylinder, and a boss matched with the outer cylinder is arrangedat one end, extending into the outer cylinder, of the piston rod; a guide sleeve which sleeves the piston rod is arranged on the inner side of the stop clamping sleeve; and one side, far away from the stop clamping sleeve, of the guide sleeve is provided with a buffering mechanism which is in clearance fit with the piston rod and is integrally connected to the outer cylinder. According to the quick disassembling actuator cylinder, the impact load and the stress borne by the main bearing part of the actuating cylinder are reduced, and the structural life is prolonged.

Description

technical field [0001] The invention relates to a quick-release actuator, in particular to an anti-fatigue hydraulic quick-release actuator. Background technique [0002] With the continuous improvement of the performance of advanced military and civilian aircraft, the complexity and cost of the aircraft are also increasing rapidly, so the service life requirements of the aircraft are also greatly increased, and the durability of the landing gear is also put on the agenda. According to statistics, more than 80% of the accidents that occur when the landing gear is in use are caused by fatigue damage. Therefore, durability design has become one of the most basic and important requirements for designing new advanced aircraft components. As a common component of aircraft landing gear, quick-release hydraulic actuators have also received much attention for their durability. [0003] The design related to the dynamic seal of the quick-release hydraulic actuator is the short boar...

Claims

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Application Information

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IPC IPC(8): F15B15/14F15B15/22
CPCF15B15/1423F15B15/1452F15B15/1457F15B15/226
Inventor 陈育良折世强张健全金军慕建全黄海清王慧峰娄锐陈永卿徐达生王琨
Owner LANDING GEAR ADVANCED MFG
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