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Antispin parachute ejection mechanism of vertical wind tunnel tail spin test model

A test model and spin technology, applied in the field of wind tunnel testing, can solve problems such as unreliable deployment of anti-spin parachutes

Inactive Publication Date: 2020-02-21
CHINA AERODYNAMICS RES & DEV CENT
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The present invention aims to provide a vertical wind tunnel spin test model anti-spin umbrella ejection mechanism to solve the problem that the anti-spin umbrella deployment structure in the prior art cannot reliably realize the deployment of the anti-spin umbrella

Method used

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  • Antispin parachute ejection mechanism of vertical wind tunnel tail spin test model
  • Antispin parachute ejection mechanism of vertical wind tunnel tail spin test model
  • Antispin parachute ejection mechanism of vertical wind tunnel tail spin test model

Examples

Experimental program
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Embodiment

[0044] see figure 1 , this embodiment proposes a vertical wind tunnel spin test model anti-spin parachute ejection mechanism, which includes an anti-spin parachute ejection assembly 11 and an anti-spin parachute mooring assembly 12 .

[0045] Cooperate see figure 2 and image 3, the anti-spin umbrella ejection assembly 11 includes an umbrella storage tube 13, a fixed cover 14, a sliding cover 15, a spring 16, an umbrella storage tube 13 mount 17, and an ejection rod 18; the sliding cover 15 includes a sliding plate 19 and is vertically connected to the sliding plate 19 one side rod portion 20; rod portion 20 is provided with connection points 21 distributed along its length; fixed cover 14 is provided with through hole 22; fixed cover 14 covers the front opening of umbrella storage tube 13; sliding cover 15 is elastically supported on the fixed cover 14 by the spring 16, and can compress the spring 16 to move in the direction of the fixed cover 14 along its axial direction ...

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Abstract

The invention relates to the field of wind tunnel tests, aims to solve the problem that in the prior art, an antispin parachute unfolding structure cannot reliably realize antispin parachute unfolding, and provides an antispin parachute ejection mechanism of a vertical wind tunnel tail spin test model. The mechanism comprises an antispin parachute ejection assembly and an antispin parachute mooring assembly; the antispin parachute ejection assembly comprises a parachute storage barrel, a fixed cover, a sliding cover, a spring and an ejection pull rod; the sliding cover comprises a sliding plate and a rod part vertically connected to one side of the sliding plate; the sliding cover is elastically supported on the fixed cover through a spring; one end of the ejection pull rod is connected tothe test model, and the other end is set as a connecting point matched with the rod part; the parachute storage barrel of the antispin parachute ejection assembly is connected to the test model; theantispin parachute mooring assembly is connected to the test model and is provided with a connecting end used for being connected with a parachute cord of the antispin parachute. The invention has thebeneficial effects that the structure is simple and the mechanism can reliably achieve the unfolding of the antispin parachute.

Description

technical field [0001] The invention relates to the field of wind tunnel tests, in particular to an anti-spin parachute ejection mechanism for a vertical wind tunnel spin test model. Background technique [0002] In the vertical wind tunnel aircraft model spin test, in order to verify the reliability of the anti-spin parachute in the recovery process of the model spin, the parachute needs to be stored at the tail of the model fuselage before the test starts. Remote command, quickly pop out the umbrella, and open the canopy at a position about 1 meter away from the tail of the model. [0003] The deployment structure of the anti-spin parachute in the prior art has the problem that the deployment of the anti-spin parachute cannot be reliably realized. Contents of the invention [0004] The invention aims to provide a vertical wind tunnel spin test model anti-spin parachute ejection mechanism to solve the problem that the anti-spin parachute deployment structure in the prior...

Claims

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Application Information

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IPC IPC(8): G01M9/04B64F5/60
CPCB64F5/60G01M9/04
Inventor 李涵吴海瀛杨洪森颜来江鲲鹏
Owner CHINA AERODYNAMICS RES & DEV CENT
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