CN108007796A - A kind of device and method of the accurate measurement positive pulling force limiting value of resistance weld seam - Google Patents
A kind of device and method of the accurate measurement positive pulling force limiting value of resistance weld seam Download PDFInfo
- Publication number
- CN108007796A CN108007796A CN201711236911.4A CN201711236911A CN108007796A CN 108007796 A CN108007796 A CN 108007796A CN 201711236911 A CN201711236911 A CN 201711236911A CN 108007796 A CN108007796 A CN 108007796A
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- China
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- test piece
- performance testing
- mechanics performance
- weld seam
- pulling force
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/20—Investigating strength properties of solid materials by application of mechanical stress by applying steady bending forces
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/0014—Type of force applied
- G01N2203/0023—Bending
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/02—Details not specific for a particular testing method
- G01N2203/06—Indicating or recording means; Sensing means
- G01N2203/067—Parameter measured for estimating the property
- G01N2203/0676—Force, weight, load, energy, speed or acceleration
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- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
A kind of device and method of the accurate measurement positive pulling force limiting value of resistance weld seam of the present invention, described device include：Male body, offers first through hole in the male body, bolt is inserted with the first through hole, adjusting gasket is also arranged with the bolt of the male body both sides, the bolt both ends are threaded with nut.The structure size of bending size and device is determined according to the size of resistance welding test piece, when carrying out tension test, Mechanics Performance Testing test piece is fixedly mounted on device, device fixes clamping on tensile testing machine, and test piece is stretched by tensile testing machine, accurately measures the positive pulling force limiting value that resistance weld seam can bear, apparatus structure is simple, it is convenient and practical, it can be reused multiple times, economical and energy saving.
Description
Technical field：
The present invention relates to weld strength detection technique field, and in particular to a kind of accurate measurement positive pulling force limit of resistance weld seam
The device and method of value.
Background technology：
For resistance spot welding and seam weld connector, its shearing force is typically measured, at present conventional mechanical property on the market
Testing equipment can only also measure the shearing force limiting value of electric resistance welding connector, for its positive tension measurement, then can not complete, but navigating
Sky, space flight, building, decoration, automobile etc. are each to be related in the industry of electric resistance welding, the resistance weld seam of specific use by positive pulling force compared with
Greatly, it is sometimes necessary to measure the positive pulling force size of electric resistance welding connector, but in current mechanical property test, be not specifically used to also survey
Measure the device and method of the positive pulling force of electric resistance welding.
Therefore, it is necessary to design a kind of device and method that can accurately measure the positive pulling force limiting value of resistance weld seam, to solve
The above problem.
The content of the invention：
The object of the present invention is to provide a kind of device and method of the accurate measurement positive pulling force limiting value of resistance weld seam, simple warp
Ji, it is convenient and practical, the positive pulling force limiting value of electric resistance welding connector can be accurately measured, additionally it is possible to repeatedly utilize.
To achieve the above object, the present invention uses following technical scheme：
A kind of device of accurate measurement positive pulling force limiting value of resistance weld seam provided by the invention, including：Male body, it is described
First through hole is offered in male body, bolt is inserted with the first through hole, is gone back on the bolt of the male body both sides
Adjusting gasket is arranged with, the bolt both ends are threaded with nut.
The adjusting gasket is a piece of or multi-disc.
The positive pulling force limit of resistance weld seam is carried out using a kind of above-mentioned device of the accurate measurement positive pulling force limiting value of resistance weld seam
It is worth the method for measurement, it is comprised the following steps that：
Step 1：Open the second through hole respectively at the both ends of test piece, the aperture of second through hole is more than or equal to institute
State the diameter of bolt；
Step 2：Two panels test piece is welded as a whole, that is, is processed into Mechanics Performance Testing test piece；
Step 3：The both ends difference of the two panels test piece of the Mechanics Performance Testing test piece will be formed in the opposite direction
Bending, makes the Mechanics Performance Testing test piece form U-shaped portion towards two opposite sides；
Step 4：The Mechanics Performance Testing test piece that step 3 is obtained is installed with device, will be described in two
Male body is put in two U-shaped portion, and the adjusting gasket is placed between the male body and the U-shaped portion, described
Bolt is screwed in institute through the first through hole in second through hole, the adjusting gasket and the male body, the nut
The both ends of bolt are stated, the Mechanics Performance Testing test piece and device installation are integrated；
Step 5：Two protrusions of the male body are clamped by tensile testing machine, are then stretched
Experiment, measurement obtain the positive pulling force limiting value of resistance weld seam.
In the step 3, the both ends difference of the two panels test piece of the Mechanics Performance Testing test piece is in the opposite direction
90-degree bent.
In the step 3, the size of the both ends of the two panels test piece of Mechanics Performance Testing test piece bending with it is described convex
Shape main body is engaged, the main part and male portion of male body described in the threshold value of the Mechanics Performance Testing test piece bending end
The end face a distance to connect.
In the step 4, the male body is towards one end of the Mechanics Performance Testing test piece weld seam and the mechanics
Performance test test piece is in contact.
In the step 4, the side of the gasket is in contact with the male body, its opposite opposite side with it is described
Mechanics Performance Testing test piece is in contact.
A kind of beneficial effect of the device and method of the accurate measurement positive pulling force limiting value of resistance weld seam of the present invention：According to resistance
Weld test piece size come determine bending size and device structure size, when carrying out tension test, Mechanics Performance Testing try
Piece is fixedly mounted on device, and device fixes clamping on tensile testing machine, and test piece is stretched by tensile testing machine, accurate
The positive pulling force limiting value that resistance weld seam can bear really is measured, apparatus structure is simple, convenient and practical, can be reused multiple times,
Economical and energy saving.
Brief description of the drawings：
Fig. 1 is the structure diagram of single test piece；
Fig. 2 is the structure diagram for the Mechanics Performance Testing test piece that welding is formed；
Fig. 3 is the structure diagram of the Mechanics Performance Testing test piece after the bending of end；
Fig. 4 is a kind of device for the accurate measurement positive pulling force limiting value of resistance weld seam for being provided with Mechanics Performance Testing test piece
Structure diagram；
In figure：1- test pieces, the second through holes of 2-, 3- male bodies, 31- main parts, 32- male portions, 4- first through hole, 5- spiral shells
Bolt, 6- adjusting gaskets, 7- nuts, 8- Mechanics Performance Testing test pieces, 81-U shapes portion.
Embodiment：
With reference to embodiment, the present invention is described in further detail.
According to Fig. 1~Fig. 2, a kind of device of the accurate measurement positive pulling force limiting value of resistance weld seam provided by the invention,
Including：Male body 3, offers first through hole 4 in the male body 3, bolt 5 is inserted with the first through hole 4, described
Also it is arranged with adjusting gasket 6 on the bolt 5 of 3 both sides of male body, the adjusting gasket 6 is a piece of or multi-disc, the bolt 5
Both ends are threaded with nut 7.
The positive pulling force limit of resistance weld seam is carried out using a kind of above-mentioned device of the accurate measurement positive pulling force limiting value of resistance weld seam
It is worth the method for measurement, it is comprised the following steps that：
Step 1：Open the second through hole 2 respectively at the both ends of test piece 1, the aperture of second through hole 2 is more than or equal to
The diameter of the bolt 5；
Step 2：Two panels test piece 1 is welded as a whole, that is, is processed into Mechanics Performance Testing test piece 8；
Step 3：As shown in figure 3, by the both ends for the two panels test piece for forming the Mechanics Performance Testing test piece 8 court respectively
Bend in the opposite direction, the Mechanics Performance Testing test piece 8 is formed U-shaped portion 81 towards two opposite sides；
Distinguish 90-degree bent in the opposite direction in the both ends of the two panels test piece of the Mechanics Performance Testing test piece 8；
The size of the both ends bending of the two panels test piece of the Mechanics Performance Testing test piece 8 matches with the male body 3
Close, the main part 31 of male body 3 connects with male portion 32 described in the threshold value of 8 bending end of Mechanics Performance Testing test piece
End face a distance, avoid, when clamping protrusion 32, causing the influence stopped；
Step 4：As shown in figure 4, the Mechanics Performance Testing test piece 8 that step 3 is obtained is installed with device, i.e.,
Two male bodies 3 are put in two U-shaped portion 81, the adjusting gasket 6 be placed in the male body 3 with it is described
Between U-shaped portion 81, one end is in contact with male body 3, its other end and the U-shaped of the Mechanics Performance Testing test piece 8
81 inner wall of portion is in contact, and the bolt 5 is through the in second through hole 2, the adjusting gasket 6 and the male body 3
One through hole 4, the nut 7 are screwed in the both ends of the bolt 5, and the Mechanics Performance Testing test piece 8 is installed as with device
One；
The male body 3 is tried towards one end of 8 weld seam of Mechanics Performance Testing test piece and the Mechanics Performance Testing
8 infinite approach of piece, alternatively, the male body 3 is towards one end of 8 weld seam of Mechanics Performance Testing test piece and the mechanical property
Test piece 8 can be tested to be in contact so that Mechanics Performance Testing test piece 8 has certain support force, so that the mechanical property is surveyed
Have a try piece 8 deflection it is minimum；
Step 5：Two protrusions 32 of the male body 3 are clamped by tensile testing machine, are then drawn
Experiment is stretched, measurement obtains the positive pulling force limiting value of resistance weld seam.
Finally it should be noted that：The above embodiments are merely illustrative of the technical scheme of the present invention and are not intended to be limiting thereof, to the greatest extent
Pipe is described in detail the present invention with reference to above-described embodiment, those of ordinary skills in the art should understand that：Still may be used
With the embodiment technical scheme is modified or replaced equivalently to the present invention, and repaiied without departing from any of spirit and scope of the invention
Change or equivalent substitution, it should all cover among present claims scope.
Claims (7)
- A kind of 1. device of the accurate measurement positive pulling force limiting value of resistance weld seam, it is characterised in that：Including：Male body, it is described convex First through hole is offered in shape main body, bolt is inserted with the first through hole, is also covered on the bolt of the male body both sides Equipped with adjusting gasket, the bolt both ends are threaded with nut.
- A kind of 2. device of accurate measurement positive pulling force limiting value of resistance weld seam according to claim 1, it is characterised in that：Institute It is a piece of or multi-disc to state adjusting gasket.
- 3. a kind of device of accurate measurement positive pulling force limiting value of resistance weld seam according to claim 1 is carrying out resistance weld seam just The method of pulling force limiting value measurement, it is characterised in that it is comprised the following steps that：Step 1：Open the second through hole respectively at the both ends of test piece, the aperture of second through hole is more than or equal to the spiral shell The diameter of bolt；Step 2：Two panels test piece is welded as a whole, that is, is processed into Mechanics Performance Testing test piece；Step 3：The both ends that the two panels test piece of the Mechanics Performance Testing test piece will be formed are curved in the opposite direction respectively Folding, makes the Mechanics Performance Testing test piece form U-shaped portion towards two opposite sides；Step 4：The Mechanics Performance Testing test piece that step 3 is obtained is installed with device, will two convexs Main body is put in two U-shaped portion, and the adjusting gasket is placed between the male body and the U-shaped portion, the bolt First through hole through in second through hole, the adjusting gasket and the male body, the nut are screwed in the spiral shell The both ends of bolt, the Mechanics Performance Testing test piece and device installation are integrated；Step 5：Two protrusions of the male body are clamped by tensile testing machine, then carry out tension test, Measurement obtains the positive pulling force limiting value of resistance weld seam.
- 4. according to the method described in claim 3, it is characterized in that：In the step 3, the Mechanics Performance Testing test piece Distinguish 90-degree bent in the opposite direction in the both ends of two panels test piece.
- 5. according to the method described in claim 3, it is characterized in that：In the step 3, the Mechanics Performance Testing test piece The size of the both ends bending of two panels test piece is engaged with the male body, the end of the Mechanics Performance Testing test piece bending end End face a distance that portion connects apart from the main part of the male body with male portion.
- 6. according to the method described in claim 3, it is characterized in that：In the step 4, the male body is towards the power The one end for learning performance test test piece weld seam is in contact with the Mechanics Performance Testing test piece.
- 7. according to the method described in claim 3, it is characterized in that：In the step 4, the side of the gasket with it is described convex Shape main body is in contact, its opposite opposite side is in contact with the Mechanics Performance Testing test piece.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711236911.4A CN108007796A (en) | 2017-11-30 | 2017-11-30 | A kind of device and method of the accurate measurement positive pulling force limiting value of resistance weld seam |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711236911.4A CN108007796A (en) | 2017-11-30 | 2017-11-30 | A kind of device and method of the accurate measurement positive pulling force limiting value of resistance weld seam |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108007796A true CN108007796A (en) | 2018-05-08 |
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ID=62055386
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711236911.4A Pending CN108007796A (en) | 2017-11-30 | 2017-11-30 | A kind of device and method of the accurate measurement positive pulling force limiting value of resistance weld seam |
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| CN (1) | CN108007796A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101614637A (en) * | 2009-07-29 | 2009-12-30 | 奇瑞汽车股份有限公司 | A kind of device and test method of measuring tensile strength of solder joint |
| CN202372404U (en) * | 2011-12-30 | 2012-08-08 | 东方蓝天钛金科技有限公司 | Bolt and screw tension test fixture |
| CN103926159A (en) * | 2014-04-14 | 2014-07-16 | 北京工业大学 | Device for testing creep property of micro solder joint and using method thereof |
| CN203858157U (en) * | 2014-06-05 | 2014-10-01 | 山西省交通科学研究院 | Fixture for testing tensile shear performance of building structure adhesive |
| CN204142570U (en) * | 2014-09-30 | 2015-02-04 | 武汉钢铁(集团)公司 | A kind of U-shaped tensile sample fixture |
| CN205879689U (en) * | 2016-07-19 | 2017-01-11 | 北京科易动力科技有限公司 | Welding pulling force inspection structure |
| CN106323772A (en) * | 2016-08-05 | 2017-01-11 | 大连理工大学 | Gripping device for testing pull-power property of low intensity hydrogel |
-
2017
- 2017-11-30 CN CN201711236911.4A patent/CN108007796A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101614637A (en) * | 2009-07-29 | 2009-12-30 | 奇瑞汽车股份有限公司 | A kind of device and test method of measuring tensile strength of solder joint |
| CN202372404U (en) * | 2011-12-30 | 2012-08-08 | 东方蓝天钛金科技有限公司 | Bolt and screw tension test fixture |
| CN103926159A (en) * | 2014-04-14 | 2014-07-16 | 北京工业大学 | Device for testing creep property of micro solder joint and using method thereof |
| CN203858157U (en) * | 2014-06-05 | 2014-10-01 | 山西省交通科学研究院 | Fixture for testing tensile shear performance of building structure adhesive |
| CN204142570U (en) * | 2014-09-30 | 2015-02-04 | 武汉钢铁(集团)公司 | A kind of U-shaped tensile sample fixture |
| CN205879689U (en) * | 2016-07-19 | 2017-01-11 | 北京科易动力科技有限公司 | Welding pulling force inspection structure |
| CN106323772A (en) * | 2016-08-05 | 2017-01-11 | 大连理工大学 | Gripping device for testing pull-power property of low intensity hydrogel |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20180508 |