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Actuator cylinder support structure

A technology of actuators and supports, which is applied in the direction of machines/engines, jet propulsion devices, etc., can solve the problems of high stress level, safety, and reduced service life of the afterburning cylinder, and achieve the goal of reducing stress level and weight Effect

Inactive Publication Date: 2019-02-12
AECC SICHUAN GAS TURBINE RES INST
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

To sum up, there are two main problems in the afterburner cylinder of the serially installed vectoring nozzle: first, the weight of the afterburner cylinder of the conventional nozzle is much higher; The large load makes the stress level of the afterburner cylinder high, the service life is reduced, and there are potential safety hazards

Method used

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  • Actuator cylinder support structure
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Experimental program
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Embodiment Construction

[0023] The invention achieves the purpose of greatly reducing the stress level of the actuator cylinder support and the force cylinder body by changing the connection mode of the actuator cylinder support and the force cylinder body. The mechanism of the present invention is shown as figure 1 with 2 shown.

[0024] The structure of the present invention is made up of booster cylinder 1, actuating cylinder support 2, bolt 3, supporting plate nut 4, mounting seat 5, pin 6, retaining ring 7. One end of the actuator support 2 is connected to the mounting seat 5 welded on the booster cylinder 1 through the bolt 3 and the supporting plate nut 5, and the other end is connected to the bearing ring on the booster cylinder 1 through the pin 6 , The retaining ring 7 is used to prevent the pin 6 from coming out. A notch structure is designed between the cylinder support 2 and the mounting seat 5, and the notch adopts an interference fit. Adopt small clearance to fit between pin 6 and ...

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Abstract

The invention discloses an actuator cylinder support structure. The actuator cylinder support structure is fastened to an installing base of a fore exerting cylinder and used for being connected withan actuator cylinder. The actuator cylinder support structure comprises a concave opening portion, an installing base comprises a convex portion, and the concave opening portion is in interference fitwith the convex portion; and in addition, the actuator cylinder support structure comprises an X-shaped pulling rod, and the X-shaped pulling rod is used for dispersing and transmitting loads exertedby the actuator cylinder to the fore exerting cylinder. According to the actuator cylinder support structure, the stress level of an actuator cylinder support and the fore exerting cylinder can be significantly reduced.

Description

technical field [0001] The invention relates to an actuator support structure, in particular to an actuator support structure for an aero-engine with a relatively large actuator load. Background technique [0002] Thrust vectoring nozzles enable fighters to have post-stall super maneuverability, high agility, short take-off and landing performance, stealth performance and supersonic cruise capability. The application of this technology greatly improves the combat effectiveness and survivability of fighter jets. It is the fourth generation An essential technology for advanced fighter jets. [0003] The thrust vectoring nozzles currently in use and under development are mainly mechanically adjustable, and the mechanically adjustable thrust vectoring nozzles use the actuator to adjust the movement mechanism to turn the nozzle adjusting plate or baffle to generate thrust vectoring. The actuating cylinder is generally connected to the booster cylinder through a support. Since th...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F02K1/76F02K1/60
CPCF02K1/60F02K1/763
Inventor 徐庆锋商盼盼赵朝君林铁伟沈莲沈晓薇
Owner AECC SICHUAN GAS TURBINE RES INST
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