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Drop hammer type deflection measuring device

A measuring device, drop-weight technology, applied to measuring devices, instruments, scientific instruments, etc., can solve problems affecting the efficiency of deflection detection

Pending Publication Date: 2021-05-28
ZHENGZHOU DONGCHEN SCI & TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The purpose of the present invention is to provide a drop weight type deflection measurement device to solve the technical problem in the prior art that the carrying plate needs to be lowered to affect the efficiency of deflection detection

Method used

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  • Drop hammer type deflection measuring device

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Embodiment Construction

[0018] Embodiment 1 of the drop weight type deflection measuring device in the present invention is as Figure 1~3 Shown: comprises chassis 23, and chassis 23 is provided with traveling mechanism and drop hammer mechanism, and chassis is made of metal material, and traveling mechanism comprises left side walking belt 18 and the right side walking belt 19 that left and right intervals are arranged, and in the present invention, left side walking Belt 18, right side walking belt 19 are composite toothed belts, and walking belt comprises upper side walking belt part 17 and lower side walking belt part 14, and running gear also comprises the front side that links to each other with left side walking belt, right side walking belt respectively. Road wheel 20 and rear side road wheel 21, front side road wheel 20, rear side road wheel 21 and corresponding walking belt engagement transmission, front side road wheel is the driving wheel driven by power mechanism.

[0019] The drop hamme...

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Abstract

The invention relates to a drop hammer type deflection measuring device which comprises a chassis; a walking mechanism and a drop hammer mechanism are arranged on the chassis; the drop hammer mechanism comprises a mechanism frame, a drop hammer and a drop hammer driving mechanism for driving the drop hammer to move upwards, and the walking mechanism comprises a left side walking belt and a right side walking belt which are arranged in a left-right spaced mode; the left side walking belt and the right side walking belt comprise an upper side walking belt part and a lower side walking belt part respectively; a force transmission end is arranged on the upper side of the lower side walking belt part of the left side walking belt and / or the right side walking belt, and the force transmission end is used for being in rolling contact fit or sliding contact fit with the upper end of the lower side walking belt part of the left side walking belt and / or the right side walking belt; the lower end of the mechanism frame penetrates through a gap between the left side walking belt and the right side walking belt to be in transmission connection with the force transmission end.

Description

technical field [0001] The invention relates to a drop weight deflection measurement device in the field of deflection measurement. Background technique [0002] The Falling Weight Deflectometer (FWD for short) was produced in the early 1970s. It simulates the instantaneous impact of vehicle loads on the road surface and obtains the instantaneous deformation of the road surface. The measurement results are relatively accurate and have a large amount of information. Compared with the traditional Beckman beam force deflection measurement, it is convenient to use, fast, safe, saves manpower, simulates the actual situation to apply dynamic load, and is suitable for long-distance and continuous measurement. [0003] The existing drop weight deflectometer includes a chassis, a traveling mechanism, a drop hammer mechanism and a microcomputer control system. Including control and data acquisition and processing part. Its working principle is to raise a certain quality of the drop ...

Claims

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Application Information

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IPC IPC(8): G01N3/303G01N3/02
CPCG01N3/303G01N3/02
Inventor 尚廷东王鹏远朱蕾蕾邵景干张敬石丁宁贾洋施墨涵高继华孙中瑞任时朝黄勇汪景慧许雪芹
Owner ZHENGZHOU DONGCHEN SCI & TECH
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