A follow-up sealing structure and control method for wind tunnel belly support test
A technology of follow-up sealing and belly support, which is applied in aerodynamic tests, testing of machine/structural components, instruments, etc., and can solve problems such as narrow installation space and inability to carry out follow-up sealing
Active Publication Date: 2022-04-08
LOW SPEED AERODYNAMIC INST OF CHINESE AERODYNAMIC RES & DEV CENT
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Problems solved by technology
[0004] The present invention designs a new sealing structure, the main purpose of which is to solve the current problem that the follow-up seal cannot be performed in some specific wind tunnels due to the narrow installation space through the improvement of the structure, and the further purpose is to solve the problem of sealing performance during the follow-up process The problem
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[0024] All features disclosed in this specification, or steps in all methods or processes disclosed, may be combined in any manner, except for mutually exclusive features and / or steps.
[0025] Any feature disclosed in this specification (including any appended claims, abstract and drawings), unless expressly stated otherwise, may be replaced by alternative features which are equivalent or serve a similar purpose. That is, unless expressly stated otherwise, each feature is one example only of a series of equivalent or similar features.
[0026] Such as figure 1 and figure 2 As shown, the structural settings of this embodiment are specifically:
[0027] In the closed wind tunnel section, a cover plate 1 is installed on the inner side of the wall at the bottom of the wind tunnel. The cover plate 1 is provided with a through chute along the length direction of the cover plate 1. The function of the chute is to Abdominal support rod 2 can move along the chute. The back side ...
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The invention discloses a follow-up sealing structure and a control method for a wind tunnel belly support test, comprising a cover plate arranged on the inner side of the wind tunnel wall, a pressure plate arranged on the back of the cover plate, and arranged between the pressure plate and the cover plate Steel belt, the two ends of the steel belt are respectively connected to a reel device, and the reel device is fixedly connected to the cover plate, and the cover plate is provided with a through chute along the direction of the steel belt, which is connected with the slide The steel belt corresponding to the groove is provided with a through hole, and the through hole is set on the belly support rod; the structure of the present invention can solve the current wind tunnel test, especially the installation problem of the follow-up seal in a small space, not only in the Along the moving direction of the strut and in the direction vertical to the moving of the strut, the required space is much reduced, and is suitable for places with narrow spaces.
Description
technical field [0001] The invention relates to the technical field of aerodynamic wind tunnel tests in the aviation industry, in particular to a follow-up sealing structure used for wind tunnel belly brace tests. Background technique [0002] The belly brace device is often used in closed wind tunnel tests, because the driving mode of the belly brace device makes the movement area of the belly brace device connected inside and outside the wind tunnel. The wind tunnel test needs to ensure the stability of the flow field in the wind tunnel and reduce the interference from the outside of the wind tunnel. Therefore, it is necessary to seal the wall of the wind tunnel, that is, to perform dynamic sealing on the belly support device. [0003] At present, there are two main ways to seal the belly brace in the wind tunnel test: (1) It adopts the dynamic sealing of the curtain fabric sealing belt. There is a sealing tape that can cover the length of the area at the end. When the ...
Claims
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IPC IPC(8): G01M9/04
CPCG01M9/04
Inventor 赵昱曹清媛吴松岭廖凯
Owner LOW SPEED AERODYNAMIC INST OF CHINESE AERODYNAMIC RES & DEV CENT