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Device for pavement accelerated loading test

A technology for accelerating loading and testing vehicles, which is applied in the direction of measuring devices, applying stable tension/pressure to test material strength, instruments, etc. It can solve the problems of low practicability and short loading distance on the road, and achieve the effect of improving practicability

Pending Publication Date: 2020-06-05
CHONGQING CAERI AUTOMOBILE TEST EQUIP DEV +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The purpose of the present invention is to provide a device for accelerated loading test on road surface, to solve the problem that the loading distance of the accelerated loading test device on road surface to the road surface in the prior art is relatively short, resulting in low practicability

Method used

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  • Device for pavement accelerated loading test
  • Device for pavement accelerated loading test
  • Device for pavement accelerated loading test

Examples

Experimental program
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Embodiment

[0022] Example: such as figure 1 and figure 2 Shown: a device for accelerated loading test on the road surface, including a bracket assembly, the bracket assembly includes a fixed frame assembly 1 and a movable frame assembly 2; the lower sides of the two ends of the fixed frame assembly 1 are respectively connected with self-propelled System 3, self-propelled system 3 includes a walking frame, a vertical hydraulic cylinder is fixedly installed on the top of the walking frame, the upper end of the hydraulic cylinder is connected to the fixed frame assembly 1 in rotation, and four rectangularly distributed walking wheels are installed on the walking frame , a power mechanism for driving the road wheels to rotate is installed on the walking frame. The lower side of the fixed frame assembly 1 is provided with two support rod groups 5, and the two support rod groups 5 are located between the two self-propelled systems 3; each support rod group 5 includes two parallel vertical hy...

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Abstract

The invention belongs to the technical field of wheel type pavement testing equipment, and specifically relates to a device for a pavement accelerated loading test. The device comprises a support assembly and a mobile test vehicle. The mobile test vehicle is in sliding fit with the support assembly in the length direction of the support assembly, and an elastic buffer mechanism is fixedly arrangedat the end, located in the moving range of the mobile test vehicle, of the support assembly. According to the scheme, the problem that the practicability is low due to the fact that the loading distance of a pavement acceleration loading test device on a pavement is short in the prior art is solved.

Description

technical field [0001] The invention belongs to the technical field of wheel-type road surface testing equipment, in particular to a device for accelerated loading testing of road surfaces. Background technique [0002] With the increasing traffic volume of roads and the sharp increase of large-tonnage vehicles, early damages such as rutting, cracks, waves, and potholes occurred on the roads after several years of opening to traffic, which affected the performance and life of the road surface. In order to study the reasonable structure and failure factors of the pavement and optimize the road performance index, a pavement testing device is often used to test the pavement. The existing road surface testing device includes a bench, which is placed on the road surface through the support bracket at the end, and guide rails are arranged on the bench, and ramps for buffering and energy storage are arranged at both ends of the guide rail, and there are sliding connections on the g...

Claims

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Application Information

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IPC IPC(8): G01N3/12G01N3/02
CPCG01N3/12G01N3/02G01N2203/0019G01N2203/0048
Inventor 邱红友谌发坤肖成诚廖洪王舰周理东
Owner CHONGQING CAERI AUTOMOBILE TEST EQUIP DEV
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