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Tooling for detecting welding strength of stud welding

A welding strength and detection tooling technology, which is applied in the direction of applying stable tension/pressure to test the strength of materials, can solve the problems of inaccurate detection results, no quantitative standards, time-consuming and labor-intensive problems, etc., to ensure accuracy and accurate and reliable detection results , the effect of preventing shaking

Active Publication Date: 2012-01-18
力帆科技(集团)股份有限公司
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  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

On the one hand, the above methods are rough, poorly standardized, and time-consuming; on the other hand, there is no quantitative standard, and the test results are neither accurate nor reliable.

Method used

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  • Tooling for detecting welding strength of stud welding
  • Tooling for detecting welding strength of stud welding
  • Tooling for detecting welding strength of stud welding

Examples

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Embodiment Construction

[0013] Below in conjunction with accompanying drawing and embodiment the present invention will be further described:

[0014] Such as figure 1 As shown, the present invention consists of connecting guide rod 1, upper support 2, lower support 3, thimble 4, bearing seat 5, support guide rod 6, support block 7, bolt 8, nut cover 9, support sleeve 10, locking A nut 11 and a handle 12 are formed, wherein there are two connecting guide rods 1, and the two connecting guide rods 1 are arranged symmetrically. An upper support 2 is provided on the upper ends of the two connecting guide rods 1, the top ends of the two connecting guide rods 1 pass through the upper supports 2, and two lock nuts are sheathed on the upper ends of each connecting guide rod 1 11. The two locking nuts 11 are located on the upper and lower sides of the upper support 2 respectively, and the upper support 2 is limited up and down by the locking nuts 11 .

[0015] Such as figure 1 As shown, the middle part of ...

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PUM

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Abstract

The invention discloses a tooling for detecting welding strength of stud welding. An upper support (2) is fixed at upper ends of two connecting guide rods (1), and a lower support (3) is fixed at lower ends; the middle part of the upper support (2) is sleeved with a thimble (4) from up to down; a bearing (5) is disposed below the thimble (4); two bearing guide rods (6) are sleeved with the lower support (3); a bearing block (7) is disposed below the lower support (3); two bolts (8) pass through the bearing block (7) from down to up and extend into corresponding bearing guide rods (6); a nut sleeve (9) is disposed between the two bolts (8); the upper end of the nut sleeve (9) is fixed with the lower support (3); the lower end of the nut sleeve (9) extends into a bearing sleeve (10). The invention has a simple structure, is convenient and rapid for operation, has accurate and reliable detection results, is applicable to destructive tests or non-destructive tests of stud welding strength, has wide application scope, and strong generality.

Description

technical field [0001] The invention belongs to the technical field of tooling fixtures, and in particular relates to a testing tooling for welding strength of stud welding. Background technique [0002] Stud welding is very common in the automotive industry. In order to ensure the reliability of the welding between the stud and the automotive panel, it is necessary to test the welding strength of the stud. At present, the general method is to use the tapping method to bend the stud by about 15 degrees, and then judge whether the welding strength meets the requirements according to whether there are cracks around the stud or not. On the one hand, the above methods are rough, poorly standardized, and time-consuming; on the other hand, there is no quantitative standard, and the test results are neither accurate nor reliable. Contents of the invention [0003] The technical problem to be solved by the present invention is to provide a stud welding welding strength detect...

Claims

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Application Information

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IPC IPC(8): G01N3/08
Inventor 那春林
Owner 力帆科技(集团)股份有限公司
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