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Device and method for detecting bearing capacity of honeycomb steel arch in plane

A detection device and bearing capacity technology, applied in the measurement device, using stable tension/pressure to test material strength, height/level measurement, etc. handy effect

Pending Publication Date: 2021-06-08
ZHEJIANG UNIV OF TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] Honeycomb steel is an important load-bearing device in the life and production process, so the bearing capacity of honeycomb steel is very important. After the honeycomb steel is formed, it needs to be tested for its bearing capacity. The existing detection device can only detect a single point of the honeycomb steel. The detection accuracy is poor, and the use is insufficient. Therefore, we propose a detection device for the bearing capacity of the honeycomb steel arch in the plane

Method used

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  • Device and method for detecting bearing capacity of honeycomb steel arch in plane
  • Device and method for detecting bearing capacity of honeycomb steel arch in plane
  • Device and method for detecting bearing capacity of honeycomb steel arch in plane

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Embodiment 1

[0028] Embodiment 1 A detection device for the bearing capacity of a honeycomb steel arch in a plane according to the present invention includes a workbench for supporting, a pair of fixing units for fixing the honeycomb steel arch 7, and applying Vertical loading unit and detection unit for vertical load,

[0029] The workbench includes a table top 1, a gantry frame 3 and several legs 2, the table top 1 is horizontally arranged on the legs 2; A pair of said fixed units are installed symmetrically between the two vertical columns;

[0030] The fixing unit includes a fixing seat 5 and a mounting frame 6, the bottom of the fixing seat 5 is fixedly connected with the table top 1, the mounting frame 6 is rotatably connected in the fixing seat 5, and a mounting frame 6 is installed between the mounting frames 6. Honeycomb steel arch 7;

[0031] The vertical loading unit includes a jack 12 and a pressure sensor 13, the jack 12 is vertically suspended on the beam of the gantry 3, a...

Embodiment 2

[0038] Embodiment 2 adopts the detection method of the detection device for the in-plane honeycomb steel arch bearing capacity as described in the present invention, comprising the following steps:

[0039] S1: Adjust the distance between the two fixing seats 5 and the angle of the installation frame 6 according to the specifications of the honeycomb steel arch 7, install the honeycomb steel arch 7 on the installation frame 6, and fix the limiting plate 11 on the honeycomb steel arch by bolts 7 on both sides to limit the out-of-plane displacement of the honeycomb steel arch 7, then the first strain gauge 9 is installed in the honeycomb hole 8 of the honeycomb steel arch 7, and the second strain gauge 10 is installed on the inner and outer surfaces of the honeycomb steel arch 7 , then pull the movable rod 142, the movable rod 142 drives the displacement sensor 15 upwards so that the detection axis of the displacement sensor 15 contacts the bottom of the mid-span position of the ...

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Abstract

A device for detecting the bearing capacity of a honeycomb steel arch in a plane comprises a working table, a pair of fixing units, a vertical loading unit and a detection unit, and the working table comprises a table top, a portal frame and supporting legs; the fixing unit comprises a fixing seat and mounting frames, the bottom of the fixing seat is fixedly connected with the table top, the mounting frames are rotationally connected in the fixing seat, and a honeycomb steel arch is mounted between the two mounting frames; the vertical loading unit comprises a jack and a pressure sensor; the detection unit comprises a pair of settlement displacement testing mechanisms, a vertical displacement measuring mechanism, a strain gauge and a data acquisition instrument. Each settlement displacement testing mechanism comprises a dial indicator and a dial indicator fixing seat; the vertical displacement measuring mechanism comprises a supporting mechanism and a displacement sensor. The detection method comprises the following steps that the honeycomb steel arch is fixed through the fixing unit, the vertical loading unit applies a vertical load, and the detection unit detects an ultimate load value. The method has the beneficial effects that the midspan load displacement curve is automatically obtained, and the limit load is obtained.

Description

technical field [0001] The invention relates to the technical field of honeycomb steel detection, in particular to a detection device and a detection method for the bearing capacity of a honeycomb steel arch in a plane. Background technique [0002] Honeycomb steel is an important load-bearing device in the life and production process, so the bearing capacity of honeycomb steel is very important. After the honeycomb steel is formed, it needs to be tested for its bearing capacity. The existing detection device can only detect a single point of the honeycomb steel. The detection accuracy is poor, and the use is insufficient. Therefore, we propose a detection device for the bearing capacity of the honeycomb steel arch in the plane. Contents of the invention [0003] In order to solve the shortcomings existing in the prior art, the present invention proposes a detection device for in-plane honeycomb steel arch bearing capacity and its Detection method. [0004] A detection d...

Claims

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Application Information

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IPC IPC(8): G01N3/08G01C5/00
CPCG01N3/08G01C5/00
Inventor 袁伟斌乐家杰
Owner ZHEJIANG UNIV OF TECH
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