CN208187845U - A kind of welding point shear strength test fixture - Google Patents
A kind of welding point shear strength test fixture Download PDFInfo
- Publication number
- CN208187845U CN208187845U CN201820484499.1U CN201820484499U CN208187845U CN 208187845 U CN208187845 U CN 208187845U CN 201820484499 U CN201820484499 U CN 201820484499U CN 208187845 U CN208187845 U CN 208187845U
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- setting
- fixture
- contact surface
- out slot
- positioning plate
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Abstract
The utility model discloses a kind of welding point shear strength test fixtures, it is related to mechanics performance testing technology field, is not arranged on the same straight line based on the upper and lower shear-type load of existing test fixture for shear intensity of joint, sample riding position is not fixed, the construction defect of fixture itself leads to specimen shape size is strictly limited, clamp structure is complicated problem and is proposed.The utility model include upper and lower center symmetric setting upper fixture and lower fixture, upper fixture and lower fixture section are L-shaped, upper fixture be equipped with upper setting-out slot, upper grip and locating piece；Lower fixture is equipped with lower collet and lower setting-out slot.The beneficial effects of the utility model are that the center of fixture is fixed and be always positioned to sample riding position, and upper and lower shear-type load is in a straight line, and the not stringent limitation of the size for sample, structure is simple, easy to operate.
Description
Technical field
The utility model relates to mechanics performance testing technology fields, and in particular to a kind of welding point shear strength test use
Fixture.
Background technique
The ability that welding point shear strength test was combined with each other and resisted shearing external force for evaluation base material has important
Meaning, especially for welding points such as diffusion welding (DW), soldering, explosive compound weldings.Shearing strength of joint test can use compression shear
Two ways is cut with drawing, compression shear usually requires special testing machine, and small size sample can not be carried out.Drawing, which is cut, to be limited to press from both sides
Tool, test effect is all less desirable always, and standard GB/T11363-2008 " soldering joint strength test method " is also only advised
Determine shape, the size etc. of lap joint shearing sample, but how to avoid the position of sample in the process for fixture itself and test
Deflection, shearing force bias etc. is moved not describe.
All once researching and designing mistakes such as Institutes Of Technology Of He'nan, Northwestern Polytechnical University, Harbin Institute of Technology, Lanzhou University of Science & Technology
Shearing strength of joint, which is drawn, cuts the fixture of test, but there are tooling easily stuck or pulling force not point-blank, measurement accuracy it is inaccurate
Or the defects of structure is complicated, manufacture not easy to be processed.
Utility model content
Problem to be solved in the utility model is that the upper and lower shear-type load of existing test fixture for shear intensity of joint does not exist
On same straight line, sample riding position be not fixed, the construction defect of fixture itself cause specimen shape size it is strictly limited, folder
Lamps structure is complicated.
The utility model, which adopts the following technical solutions, solves above-mentioned technical problem:
A kind of welding point shear strength test fixture, upper fixture and lower fixture including upper and lower center symmetric setting,
The upper fixture section is in inverted L shape, and upper fixture is equipped with upper setting-out slot, upper grip and locating piece, the inside of the upper fixture
Top surface is as the first lateral contact surface, and side on the inside of upper fixture is as the first vertical contact surface, and the bottom surface of upper fixture is as the
Two lateral contact surfaces, upper setting-out channel opening are located at the first vertical contact surface, and upper grip is located at 1 upper surface center of upper fixture, above puts
Sample is placed in sample slot, locating piece clamps sample around upper setting-out slot；
The lower fixture section is in reverse L type, and lower fixture is equipped with lower setting-out slot and lower collet, the bottom surface of the inside of lower fixture
As third transverse direction contact surface, the side of the inside of lower fixture is as the second vertical contact surface, and the top surface of lower fixture is as the 4th
Lateral contact surface, lower setting-out channel opening are located at the second vertical contact surface, and lower collet is located at lower fixture lower end surface center；
Described first lateral contact surface and the 4th laterally contacts face contact, and the first vertical contact surface vertically connects with second
Contacting surface contact, the described second lateral contact surface and third laterally contact face contact；The upper setting-out slot is corresponding with lower setting-out slot,
The upper setting-out groove bottom is parallel with the second lateral contact surface with lower setting-out groove bottom.
Described first lateral contact surface and the 4th laterally contacts face contact, and the first vertical contact surface vertically connects with second
Contacting surface contact, the described second lateral contact surface and third laterally contact face contact；The upper setting-out slot is corresponding with lower setting-out slot,
The upper setting-out groove bottom is parallel with the second lateral contact surface with lower setting-out groove bottom.
Preferably, the locating piece includes upper locating piece, left locating piece and right locating piece, the upper locating piece, left positioning
Part and right locating piece are centered around setting-out slot upside, left side and right side respectively.
Preferably, the upper locating piece includes upper positioning plate and upper positioning bolt, and the upper positioning plate is located at upper setting-out slot
Top, the upper positioning bolt pass through upper fixture and are threadedly coupled with upper positioning plate；The left locating piece includes left positioning plate and a left side
Positioning bolt, the left positioning plate are located at upper setting-out slot left, and the left positioning bolt passes through upper fixture and upper positioning plate screw thread
Connection；The right locating piece includes right positioning plate and right positioning bolt, and the right positioning plate is located at upper setting-out slot right, the right side
Positioning bolt passes through upper fixture and is threadedly coupled with right positioning plate, the upper positioning plate, left positioning plate, right positioning plate and upper setting-out slot
Bottom wall encloses setting-out slot.
Preferably, the upper setting-out slot is identical as the size of lower setting-out slot.
Preferably, the upper setting-out slot and lower setting-out slot are square groove or circular groove.
Preferably, the upper setting-out channel opening center is located at the first vertical contact surface center, in the lower setting-out channel opening
The heart is located at the second vertical contact surface center.
Preferably, lateral length of the depth of the upper setting-out slot less than the second lateral contact surface, the depth of lower setting-out slot
Less than the lateral length of the 4th lateral contact surface.
Preferably, the depth of the upper setting-out slot is equal to the lateral length of the second lateral contact surface, the depth of lower setting-out slot
Equal to the lateral length of the 4th lateral contact surface.
Preferably, the upper grip is located at the upper center of upper fixture, and lower collet is located in the middle part of the lower end of lower fixture.
Preferably, the upper setting-out trench bottom opening is provided inwardly with graduation mark, and the lower setting-out trench bottom opening is inwardly set
There is graduation mark.
Preferably, the thickness of the upper positioning plate is greater than the thickness of left positioning plate, the left positioning plate and right positioning plate
Size is identical.
The utility model has the beneficial effects that:
(1) by the way that fixing piece is arranged in fixture, the displacement deflection of sample is avoided；
(2) by the way that length scale line is arranged in setting-out slot, sample is made to be always positioned at fixture by the fixation of fixing piece
Center, upper and lower shear-type load is in a straight line to act on shear surface；
(3) limitation not stringent for the size of sample, docking, tower connector and small size, large dimension specimen are suitable
With structure is simple, easy to operate；
(4) welding point shear strength test can be realized on cupping machine, do not need special testing machine.
Detailed description of the invention
Fig. 1 is a kind of welding point shear strength test clamp structure schematic diagram of the utility model embodiment.
Fig. 2 is a kind of upper fixture structural representation of welding point shear strength test fixture of the utility model embodiment
Figure.
Fig. 3 is that a kind of lower clamp structure of welding point shear strength test fixture of the utility model embodiment is illustrated
Figure.
Fig. 4 is that a kind of upper fixture side structure of welding point shear strength test fixture of the utility model embodiment shows
It is intended to.
Fig. 5 is that a kind of lower fixture side structure of welding point shear strength test fixture of the utility model embodiment shows
It is intended to.
Fig. 6 is a kind of welding point shear strength test fixture another kind structural schematic diagram of the utility model embodiment.
In figure: 1- upper fixture；The upper setting-out slot of 11-；12- upper grip；The lateral contact surface of 13- first；14- first is vertically contacted
Face；The lateral contact surface of 15- second；The upper locating piece of 16-；The upper positioning plate of 161-；The upper positioning bolt of 162-；The left locating piece of 17-；171-
Left positioning plate；The left positioning bolt of 172-；The right locating piece of 18-；The right positioning plate of 181-；The right positioning bolt of 182-；Fixture under 2-；21-
Lower setting-out slot；Collet under 22-；23- third transverse direction contact surface；The vertical contact surface of 24- second；The lateral contact surface of 25- the 4th.
Specific embodiment
The utility model is described in further details below with reference to Figure of description and embodiment.
Embodiment 1
A kind of welding point shear strength test fixture as shown in Figure 1 to Figure 3, including the upper of upper and lower center symmetric setting
Fixture 1 and lower fixture 2.
1 section of upper fixture is in inverted L shape, and upper fixture 1 is equipped with upper setting-out slot 11, upper grip 12 and locating piece (not shown),
The top surface of the inside of upper fixture 1 is as the first lateral contact surface 13, and the side of the inside of upper fixture 1 is as the first vertical contact surface
14, as the second lateral contact surface 15, the upper opening of setting-out slot 11 is located at the first vertical contact surface 14, upper folder for the bottom surface of upper fixture 1
First 12 are located at 1 upper surface center of upper fixture, place sample in upper setting-out slot 11, locating piece clamps sample around upper setting-out slot 11
Product；
Lower 2 section of fixture is in reverse L type, and lower fixture 2 is equipped with lower setting-out slot 21 and lower collet 22, the inside of lower fixture 2
Bottom surface is as third transverse direction contact surface 23, and the side of the inside of lower fixture 2 is as the second vertical contact surface 24, the top of lower fixture 2
Face is located at the second vertical contact surface 24 as the 4th lateral contact surface 25, the lower opening of setting-out slot 21, and lower collet 22 is located at lower fixture 2
Lower end surface center；
When work, the lateral contact surface 13 of the first of upper fixture 1 is contacted with the 4th lateral contact surface 25 of upper fixture 2, and first
Vertical contact surface 14 is contacted with the second vertical contact surface 24, and the second lateral contact surface 15 is contacted with third transverse direction contact surface 23；On
Setting-out slot 11 is corresponding with lower setting-out slot 21, and upper 11 bottom surface of setting-out slot and lower 21 bottom surface of setting-out slot and the second lateral contact surface 15 are flat
Row guarantees that sample is horizontally arranged in upper setting-out slot 11 and lower setting-out slot 21.
As shown in fig.4, locating piece includes upper locating piece 16, left locating piece 17 and right locating piece 18, upper locating piece 16
Above upper setting-out slot 11, upper locating piece 16 includes upper positioning plate 161 and upper positioning bolt 162, and upper positioning plate 161 is located at upper folder
Inside tool 1,1 upper end of upper fixture is extended to equipped with through-hole in upper 161 upper end of positioning plate, upper positioning bolt 162 passes through spiral shell with through-hole
Line connection；
Left locating piece 17 is located at upper 11 left of setting-out slot, and left locating piece 17 includes left positioning plate 171 and left positioning bolt
172, left positioning plate 171 is located inside upper fixture 1, extends to 1 left end of upper fixture equipped with through-hole, a left side in left 171 left end of positioning plate
Positioning bolt 172 is connected through a screw thread with through-hole；
Right locating piece 18 is located at upper 11 right of setting-out slot, and right locating piece includes right positioning plate 181 and right positioning bolt 182,
Right positioning plate 181 is identical with the size of left positioning plate 151, and right positioning plate 181 is located inside upper fixture 1, right in right positioning plate 181
End extends to 1 right end of upper fixture equipped with through-hole, and right positioning bolt 182 is connected through a screw thread with through-hole；Upper positioning plate, left positioning plate
Enclose upper setting-out slot with right positioning plate and upper setting-out groove bottom wall, by positioning plate and positioning bolt above sample, left and
Sample is fixed in right, and deflection can be subjected to displacement during the experiment to avoid sample.
The thickness of upper positioning plate 161 is greater than the thickness of left positioning plate 171, the size of left positioning plate 171 and right positioning plate 181
It is identical.
Upper setting-out slot 11 is identical as the size of lower setting-out slot 21, is square groove or circular groove, upper 11 opening center of setting-out slot is located at
First vertical 14 center of contact surface, the lower opening of setting-out slot 21 are located at the second vertical 24 center of contact surface, sample can be made to be located at folder
The center of tool, during the experiment uniform force.
The depth of upper setting-out slot 11 is less than the lateral length of the second lateral contact surface 15, and the depth of lower setting-out slot 21 is less than the
The lateral length of four lateral contact surfaces 25.Suitable for docking, the experiment of the shear strength of tower connector and small size sample.
Upper 11 bottom opening of setting-out slot is provided inwardly with graduation mark, and lower 21 bottom opening of setting-out slot is provided inwardly with graduation mark.It is logical
The setting length scale line in setting-out slot is crossed, so that sample is always positioned at the center of fixture by the fixation of fixing piece, cuts up and down
Cut that load is in a straight line to act on shear surface.
Embodiment 2
As shown in fig. 6, the present embodiment difference from example 1 is that: it is horizontal that the depth of upper setting-out slot 11 is equal to second
To the lateral length of contact surface 15, the depth of lower setting-out slot 21 is equal to the lateral length of the 4th lateral contact surface 25.Suitable for pair
It connects, the shear strength experiment of tower connector and large dimension specimen.
Embodiment 3
The present embodiment and other embodiments the difference is that: the fixing piece of fixed sample is additionally provided on lower fixture 2, Gu
Determining part includes lower locating piece, left locating piece and right locating piece.By the way that the fixing piece of fixed sample is arranged in lower fixture 2, make to try
Sample is more stable in shearing experiment.
The application method of the utility model:
First the upper grip 10 of upper fixture 1 is fixed on cupping machine, according to the graduation mark in upper setting-out slot 11, will be tried
Sample is placed in the center of setting-out slot 11, then spins positioning bolt 162 and upper positioning plate 161, then a left side is set in rotation respectively
Positioning bolt 172, right positioning bolt 182 and left positioning plate 171, right positioning plate 181, and fasten, finally according to upper fixture 1 and examination
Sample position is placed lower fixture 2 and is fixed on testing machine, can be tested after observing no problem.
Above are merely preferred embodiments of the utility model, the protection scope of the utility model is not limited merely to above-mentioned
Embodiment, it is within the protection scope of the present utility model with various process programs of the utility model design without substantial differences.
Claims (10)
1. a kind of welding point shear strength test fixture, upper fixture and lower fixture including upper and lower center symmetric setting,
Be characterized in that: the upper fixture section is in inverted L shape, and upper fixture is equipped with upper setting-out slot, upper grip and locating piece, the upper fixture
Inside top surface as the first lateral contact surface, the side on the inside of upper fixture is as the first vertical contact surface, the bottom of upper fixture
Face is located at the first vertical contact surface as the second lateral contact surface, upper setting-out channel opening, and upper grip is located in upper fixture upper surface
The heart, upper setting-out slot is interior to place sample, and locating piece clamps sample around upper setting-out slot；
The lower fixture section is in reverse L type, and lower fixture is equipped with lower setting-out slot and lower collet, the bottom surface conduct of the inside of lower fixture
Third transverse direction contact surface, as the second vertical contact surface, the top surface of lower fixture is lateral as the 4th for the side of the inside of lower fixture
Contact surface, lower setting-out channel opening are located at the second vertical contact surface, and lower collet is located at lower fixture lower end surface center；
Described first lateral contact surface and the 4th laterally contacts face contact, the first vertical contact surface and the second vertical contact surface
Contact, the described second lateral contact surface and third laterally contact face contact；The upper setting-out slot is corresponding with lower setting-out slot, described
Upper setting-out groove bottom is parallel with the second lateral contact surface with lower setting-out groove bottom.
2. welding point shear strength test fixture according to claim 1, it is characterised in that: the locating piece includes
Upper locating piece, left locating piece and right locating piece, the upper locating piece, left locating piece and right locating piece are centered around setting-out slot respectively
Upside, left side and right side.
3. welding point shear strength test fixture according to claim 2, it is characterised in that: the upper locating piece packet
Positioning plate and upper positioning bolt are included, the upper positioning plate is located above upper setting-out slot, and the upper positioning bolt passes through upper fixture
It is threadedly coupled with upper positioning plate；The left locating piece includes left positioning plate and left positioning bolt, and the left positioning plate, which is located at, above to be put
Sample slot left, the left positioning bolt pass through upper fixture and are threadedly coupled with upper positioning plate；The right locating piece includes right positioning plate
With right positioning bolt, the right positioning plate is located at upper setting-out slot right, and the right positioning bolt passes through upper fixture and right positioning plate
It is threadedly coupled, the upper positioning plate, left positioning plate, right positioning plate and upper setting-out groove bottom wall enclose setting-out slot.
4. welding point shear strength test fixture according to claim 1, it is characterised in that: the upper setting-out slot with
The size of lower setting-out slot is identical.
5. welding point shear strength test fixture according to claim 1, it is characterised in that: the upper setting-out slot with
Lower setting-out slot is square groove or circular groove.
6. welding point shear strength test fixture according to claim 1, it is characterised in that: the upper setting-out slot is opened
Mouth center is located at the first vertical contact surface center, and the lower setting-out channel opening center is located at the second vertical contact surface center.
7. welding point shear strength test fixture according to claim 1, it is characterised in that: the upper setting-out slot
Lateral length of the depth less than the second lateral contact surface, the lateral length of the depth of lower setting-out slot less than the 4th lateral contact surface.
8. welding point shear strength test fixture according to claim 1, it is characterised in that: the upper setting-out slot
Depth is equal to the lateral length of the second lateral contact surface, and the depth of lower setting-out slot is equal to the lateral length of the 4th lateral contact surface.
9. welding point shear strength test fixture according to claim 1, it is characterised in that: the upper setting-out slot bottom
Portion's opening is provided inwardly with graduation mark, and the lower setting-out trench bottom opening is provided inwardly with graduation mark.
10. welding point shear strength test fixture according to claim 3, it is characterised in that: the upper positioning plate
Thickness be greater than the thickness of left positioning plate, the left positioning plate is identical as the size of right positioning plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820484499.1U CN208187845U (en) | 2018-04-08 | 2018-04-08 | A kind of welding point shear strength test fixture |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820484499.1U CN208187845U (en) | 2018-04-08 | 2018-04-08 | A kind of welding point shear strength test fixture |
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| Publication Number | Publication Date |
|---|---|
| CN208187845U true CN208187845U (en) | 2018-12-04 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820484499.1U Expired - Fee Related CN208187845U (en) | 2018-04-08 | 2018-04-08 | A kind of welding point shear strength test fixture |
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| CN (1) | CN208187845U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110108549A (en) * | 2019-05-29 | 2019-08-09 | 南京工业大学 | Three layers of equidimension soldered fitting drawing/compression shear cutting clamps of one kind and experimental method |
| CN112464401A (en) * | 2020-11-24 | 2021-03-09 | 一汽奔腾轿车有限公司 | Accurate modeling method for metal material welding spot |
| CN114184499A (en) * | 2021-12-09 | 2022-03-15 | 成都成维精密机械制造有限公司 | Brazing assembly mechanical property testing tool |
-
2018
- 2018-04-08 CN CN201820484499.1U patent/CN208187845U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110108549A (en) * | 2019-05-29 | 2019-08-09 | 南京工业大学 | Three layers of equidimension soldered fitting drawing/compression shear cutting clamps of one kind and experimental method |
| CN112464401A (en) * | 2020-11-24 | 2021-03-09 | 一汽奔腾轿车有限公司 | Accurate modeling method for metal material welding spot |
| CN112464401B (en) * | 2020-11-24 | 2022-07-22 | 一汽奔腾轿车有限公司 | Accurate modeling method for metal material welding spot |
| CN114184499A (en) * | 2021-12-09 | 2022-03-15 | 成都成维精密机械制造有限公司 | Brazing assembly mechanical property testing tool |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20181204 Termination date: 20200408 |
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| CF01 | Termination of patent right due to non-payment of annual fee |