A stud welding tensile test fixture and its tensile method
A tensile test and stud technology, applied in the direction of applying stable tension/pressure to test the strength of materials, measuring devices, instruments, etc., can solve the problems of increased weight, easy to turn up of the bayonet, insufficient strength, etc., and achieve a compact structure. , the effect of improving construction quality
Active Publication Date: 2015-09-30
浙江东南钢结构有限公司
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Problems solved by technology
There are the following disadvantages: 1, the gasket is inserted into the head of the stud
The lower seat is a two-point type, which is not strong enough. When stretching a large-diameter stud (maximum tensile load > 206KN), the bayonet is easy to turn up. If the rigidity is strengthened, the weight will increase accordingly, which is inconvenient to operate.
Method used
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Embodiment 1
[0029] Embodiment 1: as figure 1 , figure 2 , image 3 , Figure 4 , Figure 5 and Figure 6 As shown, a stud welding tensile test fixture is characterized in that: it includes a fixture upper seat mechanism, a test peg 1 and a fixture lower seat mechanism, and the described fixture upper seat mechanism includes a fixture upper seat 2, and the described fixture upper seat 2 The bottom is provided with a test installation gap 3, and the bottom of the upper base of the fixture 2 is provided with an upper base plate 4, and the upper base plate 4 is provided with a peg engagement gap 5 matching the test installation gap 3; the clamp The lower seat mechanism includes a lower seat bottom plate 6, and the upper part of the lower seat bottom plate 6 is provided with a slot plate 7; the bottom of the test peg 1 is fixed to the steel plate 8, and the steel plate 8 is connected to the slot plate 7 The upper part of the test peg 1 is engaged with the notch 5 of the peg engagement....
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Abstract
The invention relates to a tensile test clamp, and especially relates to a stud welding tensile test clamp and a tensile method thereof. The stud welding tensile test clamp comprises a clamp upper seat mechanism, a test stud and a clamp lower seat mechanism, the clamp upper seat mechanism comprises a clamp upper seat, the bottom of the clamp upper seat is provided with a test installation gap and is also provided with an upper seat baseboard, and a stud clamping gap coupled with the test installation gap is arranged in the upper seat baseboard; the clamp lower seat mechanism comprises a lower seat baseboard, and the upper portion of the lower seat baseboard is provided with a clamp slot board; and the bottom of the test stud is fixed to a steel board, the steel board is in clamp connection with the clamp slot board, and the upper portion of the test stud is in clamp connection with the stud clamp gap. The stud welding tensile test clamp has a compact structure, and the stud welding tensile test clamp and the tensile method thereof can realize effective detection and improve the construction quality.
Description
technical field [0001] The invention relates to a tensile test fixture, in particular to a stud welding tensile test fixture and a stretching method thereof. Background technique [0002] In the prior art, the tensile test method in JGJ81-2002 and GB50661-2011 in the welding technical specification for building steel structure and steel structure welding specification is only used as a demonstration of the test method and a guide for the test method. In the actual test operation, there must be a set of safe, firm, convenient and efficient special fixtures to complete the test. There are following disadvantages: 1, the gasket is inserted into the head of the stud. There are two methods for inserting the gasket, that is, inserting before welding the stud and inserting the opening of the gasket after welding. The disadvantage of inserting before welding is that it will affect the welding operation and easily cause magnetic deviation; after welding, the opening is inserted,...
Claims
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IPC IPC(8): G01N3/04G01N3/08
Inventor 周观根吴志新杨弘生
Owner 浙江东南钢结构有限公司