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Highway Pavement Accelerated Loading Test System Cyclic Driving Device

A technology for accelerating loading and driving devices, which is used in measuring devices, using repetitive force/pulse force to test the strength of materials, instruments, etc., which can solve the problems such as the inability to meet the rapid detection of multiple sets of data, the reduction of installation and replacement efficiency, and the cumbersome replacement process. , to reduce the steps of disassembly and installation, simplify the replacement process, and improve the detection efficiency.

Active Publication Date: 2021-10-22
河北交通投资集团有限公司 +1
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  • Abstract
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Problems solved by technology

[0003] In the process of experimental testing, it is necessary to replace different loading wheels to simulate the impact of different vehicles on the road surface. Due to the different sizes of tires, when installing and replacing, it is necessary to completely disassemble the annular support frame and then reassemble it to suit the road surface. The size of the loading wheel is matched, which reduces the efficiency of installation and replacement, the replacement process is cumbersome, the installation is difficult, and it cannot meet the rapid detection of multiple sets of data
[0004] To this end, a cyclic driving device of a highway pavement accelerated loading test system is provided to solve the problem of adaptation between the outer frame of the driving device and the loading wheel

Method used

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  • Highway Pavement Accelerated Loading Test System Cyclic Driving Device
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  • Highway Pavement Accelerated Loading Test System Cyclic Driving Device

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Embodiment Construction

[0027] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

[0028] see Figure 1 to Figure 6 , the present invention provides a technical solution:

[0029] The cyclic driving device of the highway pavement accelerated loading test system includes a guide rail 1, which is fixed on the outer frame, and a sprocket 2 is fixedly installed in the middle of the guide rail 1. The front end of the support frame 3 is provided with a front support plate 4, the rear end of the annular support frame 3 is provided with a rear supp...

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Abstract

The invention relates to the technical field of highway pavement accelerated loading test, in particular to a cyclic driving device for a highway pavement accelerated loading test system. Distributed annular support frame, the front end of the annular support frame is provided with a front support plate, the beneficial effect is: the present invention realizes the coarse adjustment of the inner cavity length of the annular support frame through the cooperation of the movable side plate and the electric telescopic rod, and then makes the annular support frame The space in the support frame is suitable for the installation of the loading wheel, which reduces the steps of disassembly and installation, simplifies the replacement process, and improves the detection efficiency; the cooperation between the adjustment bracket and the hydraulic cylinder is set to realize the fine adjustment of the inner cavity space of the ring support frame , so as to prevent the internal space from being too large, resulting in an increase in the vibration amplitude, and at the same time, the hydraulic cylinder is used to adjust the position of the loading wheel, so that the contact between the loading wheel and the ground can achieve linear loading.

Description

technical field [0001] The invention relates to the technical field of highway pavement accelerated loading test, in particular to a circulation drive device for a highway pavement accelerated loading test system. Background technique [0002] In order to consider the pavement data detection of the pavement in service, the pavement acceleration loading test system is usually used, which uses the pressure on the loading wheel installed on the sprocket to simulate the impact data of vehicles and other vehicles on the road surface , At the same time, it is convenient to simulate the weather to realize the purpose of real-time detection. [0003] In the process of experimental testing, it is necessary to replace different loading wheels to simulate the impact of different vehicles on the road surface. Due to the different sizes of tires, when installing and replacing, it is necessary to completely disassemble the annular support frame and then reassemble it to suit the road surf...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01N3/36G01N3/04
CPCG01N3/04G01N3/36
Inventor 王国清
Owner 河北交通投资集团有限公司
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