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High-altitude track bridging structure

A technology of bridging structure and connecting structure, which is applied in the field of wind tunnel test, can solve the problems such as inability to connect directly, and achieve the effect of simple structure, simple bridging operation and simple control system

Inactive Publication Date: 2020-10-09
LOW SPEED AERODYNAMIC INST OF CHINESE AERODYNAMIC RES & DEV CENT
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0009] The purpose of the present invention is to overcome the problem that the direct docking between the test track and the moving track cannot be carried out at present, and propose a track bridge structure, and cleverly design a bridge structure to complete the connection between the two tracks

Method used

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Embodiment Construction

[0035] 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.

[0036] 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.

[0037] Such as figure 1 As shown, the track bridging structure includes an overlapping rail 2, a first rotating arm 3, a second rotating arm 5, a rotating shaft 4 and a cylinder, wherein one end of the first rotating arm 3 is fixedly connected to the overlapping rail 2 through a connector, and the second The other end of a rotating arm 3 is connected to one end of the rotating shaft 4 through a bearing sleeve, one end of the second rotating ...

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Abstract

The invention discloses a high-altitude track bridging structure which is used for butt joint of a high-altitude test track and a moving track in a wind tunnel test and used for completing movement ofa test model in a test section. The bridging structure comprises a lap joint track and a first rotating arm connected to the lap joint track, wherein the other end of the first rotating arm is connected with a rotating shaft; the other end of the rotating shaft is connected with a second rotating arm; the other end of the second rotating arm is connected to a push rod of an air cylinder; and thesecond rotating arm, the first rotating arm and the lap joint track are driven to rotate through front-back displacement of the push rod of the air cylinder. The air cylinder is adopted for driving, the stroke of a telescopic rod of the air cylinder is controlled according to position sensing of the air cylinder, and rotating motion of the lap joint track is achieved; mechanical limiting is adopted, other limiting sensors are not needed, and a control system is simple. The bridging structure is used for short-distance bridging of the two tracks, and due to the uniqueness of the structure, bridging operation is easy, precision is high, and maintenance is easy.

Description

technical field [0001] The invention relates to the field of wind tunnel tests, in particular to the bridging of two high-altitude tracks in the process of changing the state of wind tunnel tests, which is used to complete the transportation and movement of test models and equipment. Background technique [0002] In the wind tunnel test, different floors or models need to be installed in the test section according to different test requirements; at present, the installation of this type of equipment is mainly completed by the mobile transport equipment from parking to the test section. During the transfer process, the equipment is raised to the same height as the test section by the elevator, and the model or floor reaches the designated test position through the track by connecting the test track and the track of the movable transport equipment. [0003] For the connection of the tracks, the main method currently used is manual docking, using a ladder to lift workers betwee...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B65G35/00G01M9/04
CPCB65G35/00G01M9/04
Inventor 段雪峰吴福章高大鹏陈辅政陈袁刘砚
Owner LOW SPEED AERODYNAMIC INST OF CHINESE AERODYNAMIC RES & DEV CENT
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