CN102323151B - Tooling for detecting welding strength of stud welding - Google Patents
Tooling for detecting welding strength of stud welding Download PDFInfo
- Publication number
- CN102323151B CN102323151B CN 201110232311 CN201110232311A CN102323151B CN 102323151 B CN102323151 B CN 102323151B CN 201110232311 CN201110232311 CN 201110232311 CN 201110232311 A CN201110232311 A CN 201110232311A CN 102323151 B CN102323151 B CN 102323151B
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- China
- Prior art keywords
- thimble
- undersetting
- guide pole
- bearing seat
- load bearing
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- 238000003466 welding Methods 0.000 title claims abstract description 27
- 238000001514 detection method Methods 0.000 abstract description 5
- 230000001066 destructive effect Effects 0.000 abstract description 3
- 239000002184 metal Substances 0.000 description 8
- 230000006835 compression Effects 0.000 description 4
- 238000007906 compression Methods 0.000 description 4
- 238000009659 non-destructive testing Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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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
The invention belongs to technical field of tooling clamps, specifically, the particularly detection frock of welding strength of stud welding.
Background technology
Arc stud welding is used very general in automobile industry, in order to ensure the fixing that welds between double-screw bolt and the auto panel, need to the weld strength of double-screw bolt be detected.At present, general way is to adopt the mode of knocking, and makes about crooked 15 degree of double-screw bolt, again according to having free from flaw to judge whether weld strength meets the requirements around the range estimation double-screw bolt.On the one hand means are coarse, standardization is poor, waste time and energy with upper type; On the other hand, neither one quantitative criteria, testing result are both inaccurate, and be also unreliable.
Summary of the invention
Technical matters to be solved by this invention is to provide accurately and reliably tooling for detecting welding strength of stud welding of a kind of detection.
Technical scheme of the present invention is as follows: a kind of tooling for detecting welding strength of stud welding, comprise and connect guide pole (1), upper bracket (2), undersetting (3), thimble (4), load bearing seat (5), supporting guide pole (6), rest pad (7), bolt (8), nut sleeve (9) is connected 10 with supporting sleeve) two pieces connection guide poles (1) are symmetrical set, the fixing upper bracket (2) in the upper end of two connection guide poles (1), the lower end of two connection guide poles (1) is undersetting (3) fixedly, the middle part of described upper bracket (2) is equipped with thimble (4) from top to bottom, in the below of thimble (4) load bearing seat (5) is set, this load bearing seat (5) is positioned at, between the undersetting, and load bearing seat (5) be connected guide pole (1) and be slidingly matched; In described undersetting (3), be equipped with two supporting guide poles (6), supporting guide pole (6) is slidingly matched with undersetting (3), each upper end and load bearing seat (5) that supports guide pole (6) fixes, in the below of described undersetting (3) rest pad (7) is set, two bolts (8) pass from lower to upper rest pad (7) and stretch in the corresponding supporting guide pole (6), rest pad (7) and supporting guide pole (6) are fixed together, between two bolts (8), be provided with nut sleeve (9), the upper end of this nut sleeve (9) and undersetting (3) fix, the lower end of nut sleeve (9) is stretched in the supporting sleeve (10), and this supporting sleeve (10) is fixed in the central authorities of rest pad (7) bottom.
The present invention screws in nut sleeve in the double-screw bolt to be detected first during for detection of welding strength of stud welding, make the mother metal of double-screw bolt be positioned at the below of supporting sleeve, and the bottom surface of the upper surface of mother metal and supporting sleeve fits; Then pressure detector is placed on the load bearing seat, makes pressure detector over against thimble; Then rotate thimble, the relative upper bracket of thimble is moved down, the lower end of thimble is stretched in the pressure detector, and thimble by pressure detector to the lower compression load bearing seat, load bearing seat is moved downward together with supporting guide pole, bolt, rest pad and supporting sleeve, and supporting sleeve is to the mother metal of lower compression double-screw bolt, and this moment, double-screw bolt was locked by nut sleeve, along with thimble continue move down, double-screw bolt and mother metal finally come off.Diameter by checking nugget and pressure detector is read when coming off force value judge whether weld strength is qualified at last.This shows that above technical scheme is not only simple to operate, time saving and energy saving, and testing result is by quantize embodying, not only accurately but also reliable.
For simplified structure, be convenient to assembling, and make upper bracket and to be connected between the guide pole connection firm, described upper bracket (2) is sleeved on the upper end of two connection guide poles (1), and is spacing up and down by set nut (11).
The lower end of described thimble (4) is conical, has through hole in the upper end of thimble (4), is equipped with handle (12) in this through hole, can rotate thimble by operating grip, and is convenient and labor-saving; The taper hole of the conical structure of thimble lower end and pressure detector top central authorities adapts, and both engage closely when work, can prevent effectively that pressure detector from shaking in surface level, guaranteed the accuracy of testing result.
For the convenient fixing of installing, strengthening connection, described supporting guide pole (6) is up-small and down-big two-part step, the step surface of supporting guide pole (6) and the bottom surface of load bearing seat (5) fit, and the epimere of supporting guide pole (6) stretches in the load bearing seat (5) both threaded engagement.
In order to make structure compacter and be conducive to assembling, the middle part of undersetting (3) is stretched in the upper end of described nut sleeve (9), both threaded engagement, and the upper surface of nut sleeve (9) is concordant with the end face of undersetting (3).
Beneficial effect: the present invention is simple in structure, and is easy and simple to handle, quick, and testing result can be used for destructive test or the non-destructive testing (NDT) of stud welding intensity accurately and reliably, and usable range is wide, highly versatile.
Description of drawings
Fig. 1 is structural representation of the present invention.
Fig. 2 is use state reference map of the present invention.
Embodiment
The invention will be further described below in conjunction with drawings and Examples:
As shown in Figure 1, the present invention consists of by connecting guide pole 1, upper bracket 2, undersetting 3, thimble 4, load bearing seat 5, supporting guide pole 6, rest pad 7, bolt 8, nut sleeve 9, supporting sleeve 10, set nut 11 and handle 12, wherein connect guide pole 1 and have two, these two connection guide poles 1 are symmetrical set.Be provided with upper bracket 2 in the upper end of two connection guide poles 1, the top of two connection guide poles 1 is passed from upper bracket 2, be installed with two set nuts 11 in the upper end of every connection guide pole 1, these two set nuts 11 lay respectively at the upper and lower sides of upper bracket 2, and are spacing about in the of 2 by 11 pairs of upper brackets of this set nut.
As shown in Figure 1, the middle part of upper bracket 2 is equipped with thimble 4 from top to bottom, and this thimble 4 is positioned at the centre position of two connection guide poles 1, and thimble 4 be connected guide pole 1 and parallel.Threaded engagement between described thimble 4 and the upper bracket 2, the lower end of this thimble 4 are conical, have through hole in the upper end of thimble 4, are equipped with handle 12 in this through hole.Handle 12 is perpendicular with thimble 4, and operating grip 12 rotatable thimbles 4 make thimble 4 move up or down with respect to upper bracket 2.
As shown in Figure 1, the lower end of two connection guide poles 1 is all stretched in the undersetting 3, connects guide pole 1 and undersetting 3 threaded engagement, and the lower surface of connection guide pole 1 is concordant with the bottom surface of undersetting 3.Below described thimble 4, be provided with load bearing seat 5, this load bearing seat 5 is between upper and lower bearing 2,3, and load bearing seat 5 is sleeved on two connection guide poles 1 by the through hole at two ends, the left and right sides, load bearing seat 5 is slidingly matched with being connected guide pole 1, and load bearing seat 5 can slide up and down along two connection guide poles 1.Between two connection guide poles 1, also be provided with two supporting guide poles 6 in the parallel mode in the left and right sides, this supporting guide pole 6 be connected guide pole 1 and parallel.Described supporting guide pole 6 is up-small and down-big two-part step, the step surface of supporting guide pole 6 and the bottom surface of load bearing seat 5 fit, the epimere of supporting guide pole 6 stretches in the load bearing seat 5, both threaded engagement, the lower end of supporting guide pole 6 is stretched in the guide through hole corresponding on the undersetting 3, is slidingly matched between supporting guide pole 6 and the undersetting 3.
As shown in Figure 1, rest pad 7 is set below undersetting 3, this rest pad 7 is equipped with two bolts 8, these two bolts 8 are corresponding one by one with supporting guide pole 6, two bolts 8 pass from lower to upper rest pad 7 and stretch in the corresponding supporting guide pole 6, bolt 8 and supporting guide pole 6 threaded engagement are fixed together rest pad 7 and supporting guide pole 6.Be provided with nut sleeve 9 between two bolts 8, the axial line of the axial line of this nut sleeve 9 and thimble 4 is on same vertical curve.The middle part of undersetting 3 is stretched in the upper end of nut sleeve 9, both threaded engagement, and the upper surface of nut sleeve 9 is concordant with the end face of undersetting 3.The lower end of described nut sleeve 9 is stretched in the supporting sleeve 10, and this supporting sleeve 10 is fixed in the central authorities of rest pad 7 bottoms, and the bottom surface of supporting sleeve 10 is lower than the bottom surface of bolt 8.
Principle of work of the present invention is as follows:
Such as Fig. 2 and in conjunction with shown in Figure 1, first nut sleeve 9 is screwed in the double-screw bolt 13 to be detected, make the mother metal 14 of double-screw bolt 13 be positioned at the below of supporting sleeve 10, and the bottom surface of the upper surface of mother metal 14 and supporting sleeve 10 fit; Then pressure detector 15 is placed on the load bearing seat 5, makes pressure detector 15 over against thimble 4; Then rotate thimble 4, thimble 4 relative upper brackets 2 are moved down, the lower end of thimble 4 is stretched in the pressure detector 15, and thimble 4 passes through pressure detector 15 to lower compression load bearing seat 5, load bearing seat 5 is moved downward together with supporting guide pole 6, bolt 8, rest pad 7 and supporting sleeve 10, and supporting sleeve 10 is to the mother metal 14 of lower compression double-screw bolt 13, and this moment, double-screw bolt 13 was locked by nut sleeve 9, along with thimble 4 continue move down, double-screw bolt 13 finally comes off with mother metal 14.Diameter by checking nugget and pressure detector 15 is read when coming off force value judge whether weld strength is qualified at last.By changing the nut sleeve 9 of different size, can carry out intensity detection to the double-screw bolt of various models, usable range is very extensive.
Claims (5)
1. tooling for detecting welding strength of stud welding, it is characterized in that: two connection guide poles (1) are symmetrical set, the fixing upper bracket (2) in the upper end of two connection guide poles (1), the lower end of two connection guide poles (1) is undersetting (3) fixedly, the middle part of described upper bracket (2) is equipped with thimble (4) from top to bottom, in the below of thimble (4) load bearing seat (5) is set, this load bearing seat (5) between upper and lower bearing, and load bearing seat (5) be connected guide pole (1) and be slidingly matched; In described undersetting (3), be equipped with two supporting guide poles (6), supporting guide pole (6) is slidingly matched with undersetting (3), each upper end and load bearing seat (5) that supports guide pole (6) fixes, in the below of described undersetting (3) rest pad (7) is set, two bolts (8) pass from lower to upper rest pad (7) and stretch in the corresponding supporting guide pole (6), rest pad (7) and supporting guide pole (6) are fixed together, between two bolts (8), be provided with nut sleeve (9), the axial line of the axial line of this nut sleeve (9) and thimble (4) is on the same vertical curve, the upper end of described nut sleeve (9) and undersetting (3) fix, the lower end of nut sleeve (9) is stretched in the supporting sleeve (10), and this supporting sleeve (10) is fixed in the central authorities of rest pad (7) bottom.
2. tooling for detecting welding strength of stud welding according to claim 1, it is characterized in that: described upper bracket (2) is sleeved on the upper end of two connection guide poles (1), and is spacing up and down by set nut (11).
3. tooling for detecting welding strength of stud welding according to claim 1 is characterized in that: the lower end of described thimble (4) has through hole for conical in the upper end of thimble (4), be equipped with handle (12) in this through hole.
4. tooling for detecting welding strength of stud welding according to claim 1, it is characterized in that: described supporting guide pole (6) is up-small and down-big two-part step, the step surface of supporting guide pole (6) and the bottom surface of load bearing seat (5) fit, the epimere of supporting guide pole (6) stretches in the load bearing seat (5) both threaded engagement.
5. tooling for detecting welding strength of stud welding according to claim 1, it is characterized in that: the middle part of undersetting (3) is stretched in the upper end of described nut sleeve (9), both threaded engagement, and the upper surface of nut sleeve (9) is concordant with the end face of undersetting (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110232311 CN102323151B (en) | 2011-08-15 | 2011-08-15 | Tooling for detecting welding strength of stud welding |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110232311 CN102323151B (en) | 2011-08-15 | 2011-08-15 | Tooling for detecting welding strength of stud welding |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102323151A CN102323151A (en) | 2012-01-18 |
| CN102323151B true CN102323151B (en) | 2013-03-06 |
Family
ID=45450939
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201110232311 Expired - Fee Related CN102323151B (en) | 2011-08-15 | 2011-08-15 | Tooling for detecting welding strength of stud welding |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102323151B (en) |
Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103760038B (en) * | 2013-12-24 | 2016-06-22 | 天威保变（秦皇岛）变压器有限公司 | A kind of detection method of transformer stud welding tensile strength |
| CN106198254B (en) * | 2016-08-02 | 2019-01-29 | 均胜汽车安全系统（长兴）有限公司 | Gas generator shell stud detecting tool |
| CN106124301B (en) * | 2016-08-17 | 2019-02-22 | 浙江吉利汽车研究院有限公司 | Bolt and nut weld strength test device and method |
| CN106423906B (en) * | 2016-10-27 | 2018-11-30 | 浙江长华汽车零部件股份有限公司 | The automatic testing, sorting device of weld strength |
| CN108717021B (en) * | 2018-03-14 | 2020-11-17 | 河海大学常州校区 | Mechanical measuring tool for testing tensile strength of stud welding T-shaped joint |
| CN108844672B (en) * | 2018-04-26 | 2021-03-02 | 广船国际有限公司 | Ship lashing wire eye plate tension test method |
| CN109014727A (en) * | 2018-09-04 | 2018-12-18 | 嘉兴敏实机械有限公司 | Upper rail welding fixture inside and outside a kind of seat slide |
| CN109556972A (en) * | 2019-01-23 | 2019-04-02 | 上海悦仕焊接技术有限公司 | A kind of detection instrument of stud welding intensity |
| CN113959846A (en) * | 2021-12-20 | 2022-01-21 | 武汉驿路通科技股份有限公司 | Testing device and testing method for welding strength of welding spot in TOSA (transmitter optical subassembly) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3459112B2 (en) * | 1994-03-10 | 2003-10-20 | セントラル自動車株式会社 | Spot welding strength confirmation device |
| CN1508529A (en) * | 2002-12-13 | 2004-06-30 | 华中科技大学 | Apparatus for detecting soldering seam strength |
| CN101566539A (en) * | 2009-06-04 | 2009-10-28 | 奇瑞汽车股份有限公司 | T-type nail welding strength inspection tool |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000028503A (en) * | 1998-07-10 | 2000-01-28 | Sanden Corp | Spot welding strength testing tool |
-
2011
- 2011-08-15 CN CN 201110232311 patent/CN102323151B/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3459112B2 (en) * | 1994-03-10 | 2003-10-20 | セントラル自動車株式会社 | Spot welding strength confirmation device |
| CN1508529A (en) * | 2002-12-13 | 2004-06-30 | 华中科技大学 | Apparatus for detecting soldering seam strength |
| CN101566539A (en) * | 2009-06-04 | 2009-10-28 | 奇瑞汽车股份有限公司 | T-type nail welding strength inspection tool |
Non-Patent Citations (2)
| Title |
|---|
| JP特开2000-28503A 2000.01.28 |
| JP特许第3459112号B2 2003.10.20 |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102323151A (en) | 2012-01-18 |
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Granted publication date: 20130306 |