Assembly type steel structure cross beam strength detection device and detection method
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A strength detection and steel structure technology, applied in the direction of using a stable shear force to test the material strength, using a stable bending force to test the material strength, etc. Reliable flexural strength and shear strength index, easy operation and strong testing adaptability
Pending Publication Date: 2021-03-23
FUJIAN PROVINCE RUIXIANG STEEL STRUCTURE ENG CO LTD
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[0002] At present, the prefabricated steel structure building system is more and more widely used in construction. In order to ensure the safety of the use of steel structure beams, its strength needs to be tested. The strength detection mainly includes the bending strength and shear strength of steel beams. Due to the different modes used for testing the bending and shear strength of steel beams, it is often necessary to prepare bending testing equipment and shear testing equipment, which makes the steel beam testing procedures cumbersome and troublesome to operate
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Embodiment 1
[0027] see figure 1 , Figure 3-Figure 4As shown, the technical solution adopted in the specific embodiment of the present invention is: it comprises left column 1-1, right column 1-2, installation beam 2-1, loading device assembly 3-1, support assembly 5-1, left support assembly 5-11, left push oil cylinder 6-1, right push oil cylinder 6-2, left support plate 7-1, right support plate 7-2, strain gauge 8-1, first strain rosette 8-2, second strain rosette 8-3 and the control cabinet 9-1, the left side of the installation beam 2-1 is connected to the left column 1-1, the right side of the installation beam 2-1 is connected to the right column 1-2, and the loading device assembly 3-1 Including a loading device 3-11, a force sensor 3-12 and a pad 3-13, the loading device 3-11 is arranged under the installation beam 2-1, and the force sensor 3-12 is arranged on the loading device 3-12 11 front end, the pad 3-13 is arranged on the front end of the force sensor 3-12, the pad 3-13 i...
Embodiment 2
[0041] see Figure 2-Figure 3 , The technical scheme adopted in the specific embodiment of the present invention is compared with Example 1, except that the strain gauge 8-1, triaxial rosette 8-2 and right-angle rosette 8-3 are not included, other structures are the same as in Example 1.
[0042] A method for detecting the strength of an assembled steel structure beam according to the present invention comprises the following steps:
[0043] 1) Shear performance testing of fabricated steel structure beams;
[0044] In step 1), adjust the position of the support assembly, place the steel beam on the support assembly, make the loading device face the space between the two support assemblies, and then slowly pressurize the loading device until the steel beam is cut off, and read the maximum The loading load Q max , according to the shear stress formula where S is the cross-sectional area of the steel beam.
[0045] Working principle: By adjusting the position of the suppor...
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Abstract
The invention relates to a detection device, in particular to an assembly type steel structure beam strength detection device and method, and relates to a detection device, in particular to a cross beam strength detection device. The device comprises stand columns, a mounting beam, a loading device assembly, a supporting assembly, pushing oil cylinders, supporting plates, a strain gauge and a control cabinet. The stand columns are connected to the left and right sides of the mounting beam, the loading device is arranged below the mounting beam, the supporting assembly is arranged below the loading device assembly, the supporting assembly comprises a left supporting assembly, a right supporting assembly, a supporting platform and a jack, the left supporting assembly and the right supportingassembly are arranged on the two side faces of the supporting platform, the jack is arranged below the supporting platform, the supporting plates are arranged on the side faces of the left stand column and the right stand column, the pushing oil cylinders are arranged on the supporting plates, the control cabinet is arranged on the right side of the right stand column, and the strain gauge is arranged on a steel beam. The device has the advantages of being easy and convenient to operate and high in detection adaptability, and the detection method has the advantages of being reliable in theory, high in accuracy and the like.
Description
technical field [0001] The invention relates to the technical field of steel beam strength detection, in particular to an assembly type steel structure beam strength detection device and detection method. Background technique [0002] At present, the prefabricated steel structure building system is more and more widely used in construction. In order to ensure the safety of the use of steel structure beams, its strength needs to be tested. The strength detection mainly includes the bending strength and shear strength of steel beams. Due to the different modes used for testing the bending and shear strength of steel beams, it is often necessary to prepare bending testing equipment and shearing testing equipment, which makes the steel beam testing procedures cumbersome and troublesome to operate. Contents of the invention [0003] The object of the present invention is to aim at the defects and insufficiencies of the prior art, and provide an assembly-type steel structure bea...
Claims
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Application Information
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Patent Type & Authority Applications(China)
IPC IPC(8): G01N3/20G01N3/24
CPCG01N3/20G01N3/24
Inventor 邱锐敏曾平江强明郑小坤李进辉陈明玉郭海赖煜扬
Owner FUJIAN PROVINCE RUIXIANG STEEL STRUCTURE ENG CO LTD
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