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Locking Mechanism for Automobile Wind Tunnel Balance Strut

A technology of balance pole and automobile wind tunnel, which is applied in the field of automobiles, can solve the problems of shortage of automobile wind tunnel experiment resources, high equipment construction costs, and expensive experiment expenses, so as to save experiment preparation time, reduce experiment cost, and fast and reliable lock Effect of Tight vs. Unlocked

Active Publication Date: 2020-09-22
SAIC GENERAL MOTORS +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Due to the need to test the aerodynamic data of multiple modification schemes, the experimental model requires frequent disassembly and assembly, which takes up a lot of time
On the other hand, the automotive wind tunnel experiment resources are scarce, the equipment construction cost is high, and the experiment cost is expensive, so it is particularly important to improve the experiment efficiency

Method used

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  • Locking Mechanism for Automobile Wind Tunnel Balance Strut
  • Locking Mechanism for Automobile Wind Tunnel Balance Strut

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0035] According to an embodiment of the present invention combined with figure 1 and figure 2 Shown, wherein it can be seen that the locking mechanism 1 for the balance pole of the automobile wind tunnel includes: a fixed sleeve 11, on which a base 12 fixedly connected to it is provided, and the base 12 is connected with the fixed sleeve The cylinder 11 is connected with a positioning pin 18; the piston 13 arranged inside the fixed sleeve 11 is provided with a sealing ring 19 between the piston 13 and the fixed sleeve 11, and the piston 13 is provided with a The locking sleeve 14 has a guide groove 143 in the locking sleeve 14; the spring 15 is arranged between the piston 13 and the base 12, and the piston 13 is provided with a spring fixing pin 151 is used to guide the compression and expansion of the spring 15; two compressed gas passages 16 opened on the fixed sleeve 11 enable the piston 13 to move relative to the fixed sleeve 11 under the push of compressed gas; Two he...

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Abstract

The invention discloses a locking mechanism for an automobile wind tunnel balance strut. The locking mechanism comprises a fixing sleeve which is provided with a base fixedly connected with the fixingsleeve; a piston which is arranged inside the fixing sleeve and provided with a locking sleeve fixedly connected with the piston, wherein the locking sleeve is internally provided with a guide groove; a spring which is arranged between the piston and the base; a compressed gas passage which is arranged on the fixing sleeve, wherein the piston can move relative to the fixing sleeve under the pushof the compressed gas; and a spherical calliper which is provided with a fixing pin fixedly connected spherical calliper, wherein the spherical calliper swings around the swing shaft fixed on the base, and the fixing pin is guided in the guide groove. When the compressed gas is loaded through the compressed gas passage, the piston drives the fixing pin through the guide groove of the locking sleeve, and the spherical caliper swings around the swing shaft to enter the unlocked state. When the compressed gas is unloaded through the compressed gas passage, the piston drives the fixing pin throughthe guide groove of the locking sleeve, and the spherical caliper swings around the swing shaft to enter the locked state.

Description

technical field [0001] The present invention relates to the field of automobiles, in particular, to a locking mechanism for a wind tunnel balance pole of an automobile and such a locking mechanism for a balance pole of an automobile wind tunnel. Background technique [0002] At present, in order to reduce the fuel consumption of automobiles and improve the dynamic performance, the aerodynamic development of automobile wind tunnel experiments aimed at reducing the aerodynamic resistance of vehicles is becoming more and more important. In the development of the automobile wind tunnel experiment, the automobile wind tunnel balance rod is used to fix the automobile. Due to the need to test the aerodynamic data of multiple modification schemes, the experimental model requires frequent disassembly and assembly, which takes up a lot of time. On the other hand, the automotive wind tunnel experiment resources are scarce, the equipment construction cost is high, and the experiment co...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01M9/04
CPCG01M9/04
Inventor 王夫亮尹章顺陈彩龙陈枫陈书帆闫石
Owner SAIC GENERAL MOTORS
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