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High-speed high-rigidity test bed

A test bench, high rigidity technology, applied in the direction of vehicle testing, automobile tire testing, machine/structural component testing, etc., can solve problems such as difficulty in ensuring distance accuracy, tire positioning deviation, vibration, etc., to ensure accurate testing The effect of ensuring the positioning stiffness and maintaining the relative position

Pending Publication Date: 2021-03-12
JILIN UNIV
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  • Abstract
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  • Application Information

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Problems solved by technology

However, since the mounting plate and the fixing frame are positioned by bolts, the screw holes on the mounting plate have a predetermined gap between each other, so it is difficult to ensure the distance accuracy between each device in the processing technology of the equipment, and it is impossible to achieve the accuracy between the tire and the simulated road surface. At the same time, in the actual rolling of the tire, the tire will vibrate when it passes the bump on the drum, which will have a certain impact on the vertical position of the tire and cause the positioning deviation of the tire, which will affect the mechanical characteristic test of the tire

Method used

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  • High-speed high-rigidity test bed

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Embodiment Construction

[0015] The present application will be further described in detail below with reference to the accompanying drawings and specific embodiments. It should be understood that the following illustrative examples and description are intended to be utilized to explain the present invention, and without conflict, the features and embodiments in the present application can be combined with each other. .

[0016] An alternative embodiment of the present invention provides a high-speed high stiffness test bench, such as Figure 1 - Figure 3 As shown, the test bench includes a base 1, a road surface analog mechanism 3 for an analog road supply tire 2 is mounted over the base 1 and is coupled to the channel simulation mechanism 3 for providing power to the road surface simulation. The drive mechanism 5 of the mechanism 3 includes a mounting frame 30, a drum 32 disposed inside the mounting frame 30, mounted on the inside of the drum 32, with the double-flap 34 The connected stabilizer 36 is app...

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Abstract

The invention provides a high-speed high-rigidity test bed. The test bed comprises a base, a road surface simulation mechanism and a driving mechanism for providing power to the road surface simulation mechanism, the road surface simulation mechanism comprises a mounting frame, a rotary drum, a double-width plate, a stabilizing piece connected with the double-width plate, a main shaft and a convexblock mounted on the outer side of the rotary drum; a tire control mechanism is further arranged above the road surface simulation mechanism and comprises a fixing frame and a tire positioning devicearranged on one side of the fixing frame; and the tire positioning device comprises a servo power piece used for providing loading power, a lifting plate connected with the servo power piece and a connecting piece installed on the lifting plate and used for being connected with a rim of the tire, a six-component sensor is installed on the connecting piece, and the servo power piece drives the lifting plate to do lifting motion in the vertical direction. The test bed can accurately position the tire, maintain the positioning rigidity of the tire and the rigidity of the simulated road surface,and improve the test accuracy.

Description

Technical field [0001] Embodiments of the present invention relate to the technical field of tire testing equipment, in particular, to a high-speed high stiffness test bench. Background technique [0002] Temperoscopic properties are the foundation of automotive performance analysis and design, and have an important impact on the safety, manipulation stability, smoothness and NVH. Tire mechanical properties The test bench is one of the characteristics modeling of the tire and one of the key test equipment of the whole vehicle performance. It is the source of the key data of automotive dynamics simulation design. Therefore, the tire mechanics test bench is carried out at home and abroad. A large number of research work. [0003] When the tire is mechanically characteristic, the corresponding test bench is required to obtain a data study. The general mechanical properties study the test bench using the conveyor belt-type flat panel movement to simulate the pavement, but due to the ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01M17/02
CPCG01M17/021
Inventor 卢荡刘前进马尧索艳茹
Owner JILIN UNIV
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