Lateral support device and its design method, high-performance steel beam loading test system
A technology of loading test and lateral support, which is applied in the direction of measuring devices, testing of mechanical components, testing of machine/structural components, etc. It can solve problems such as poor flexibility, inapplicability to different working conditions, loss of function, etc., reaching the scope of application Wide, wide applicability, easy to calculate the effect
Active Publication Date: 2020-04-07
CHANGSHA UNIVERSITY OF SCIENCE AND TECHNOLOGY
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Problems solved by technology
Therefore, if the height of the compression flange is changed, the fixed lateral support structure will lose its effect, and it cannot be applied to different working conditions, and the flexibility is poor
Method used
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[0048] like Figures 1 to 3 As shown, a lateral support device includes a first column 1 that can be stabilized on the ground, a groove is formed on the first column 1, and a first slider 4 that can move in the groove is arranged in the groove, The first sliding block 4 can be relatively fixed with the first column 1 .
[0049] It also includes a second column 3 with the same structure as the first column 1, the first column 1 and the second column 3 are mirror-symmetrical; the groove of the second column 1 is provided with a movable second slider 5, the second The slider 5 can be relatively fixed with the second column 3 .
[0050] The first slider 4 and the second slider 5 are at the same height, and at the positions of the first slider 4 and the second slider 5, there is a horse riding U that can fasten the first column 1 and the second column 3. Hoop 6.
[0051] The riding U-shaped hoop 6 includes a U-shaped hoop 61 and a force-bearing block 62 detachably connected to t...
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The invention discloses a lateral support device including a first column stably arranged on the ground, a groove is arranged in the first column, a first slide block capable of moving in the groove is arranged in the groove, the first slide block is relatively fixed to the first column, the support device includes a second column having the same structure with the first column, the first column and the second column are in mirror image symmetry, the groove of the second column is provided with a movable second slide block, the second slide block is relatively fixed to the second column, the first slide block and the second slide block are at the same height, and a horse riding U-shaped hoop for tightly hooping the first column and the second column are hooped at the first slide block and the second slide block. The invention further provides a design method of the device and a test system. The high-performance steel beam can still provide effective lateral displacement constraints when the high-performance steel beam deforms due to the bearing. When the height of the steel beam in different loading test changes, the height can be adjusted, the scope of application is wide.
Description
technical field [0001] The invention belongs to performance testing equipment for steel beams, in particular to a lateral support device and a design method thereof, and a high-performance steel beam loading test system. Background technique [0002] Instability failure is one of the main failure forms of steel beams. In the loading test of steel beams, when the high-performance steel beams are relatively long and slender, if there is no lateral support, the compression flange is prone to instability failure. By setting the lateral support device, the calculated out-of-plane length of the beam can be reduced, and the overall stability of the high-performance steel beam can be improved. [0003] In the lateral support device in the prior art, I-beams parallel to the steel girder are generally fixed on both sides of the steel girder, and then the steel girder is clamped by a clamping plate to form a lateral support structure. During the test operation, the height of the comp...
Claims
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IPC IPC(8): G01M13/00
CPCG01M13/00
Inventor 张建仁肖林发彭建新
Owner CHANGSHA UNIVERSITY OF SCIENCE AND TECHNOLOGY