A support device for wind tunnel test of automobile model

A technology of automobile model and wind tunnel test, which is applied in the direction of measurement device, aerodynamic test, machine/structural component test, etc. It can solve problems such as installation error of automobile model, influence of experimental results, internal stress of automobile model, etc., and achieve change The effect of supporting position, convenient adjustment, and liberating the degree of freedom of rotation
CN106441790BActive Publication Date: 2019-03-22HUNAN UNIV
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
HUNAN UNIV
Publication Date
2019-03-22

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Abstract

The invention discloses a car model air tunnel test support device, including a positioning support pillar of a support car model, the positioning support pillar is an extendable structure, the top end of the positioning support pillar through a joint component with at least two rotation degrees of freedom is connected with the bottom of the car model, the joint component is provided at the location close to a side skirt at the bottom of the car model. The positioning support pillar through the joint component is connected with the car model, through the joint component can adjust the elevation angle and the heel angle of a car, meanwhile the degrees of freedom of the joint component also can adapt to the internal stress of the positioning support pillar in the installation process, avoid affecting the test results, the device has the advantages of being simple in installation, convenient to adjust, broad in test scope and accurate in test structure.
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Description

technical field

[0001] The invention belongs to the technical field of automobile testing, and in particular relates to a supporting device for wind tunnel testing of automobile models. Background technique

[0002] The support mechanism of the original car model wind tunnel dynamometer balance support system is a four-wheel alignment support mechanism, such as figure 1 and figure 2 As shown, after the upper ends of the four positioning support columns 3 pass through the balance turntable 2, they are respectively aligned and inserted into the pre-drilled positioning holes at the bottom of the four wheels 11 of the car model 1, and the lower ends of the positioning support columns 3 are connected with the balance column 4 through threads. Realize the positioning and fixing of the car model 1; the balance column 4 is connected with the wheel and wheelbase adjustment device (not shown in the figure) of the balance force measuring system; the wheel and wheelbase adjustment dev...

Claims

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