CN209589669U - A kind of test fixture of welded specimen - Google Patents
A kind of test fixture of welded specimen Download PDFInfo
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- CN209589669U CN209589669U CN201920043206.0U CN201920043206U CN209589669U CN 209589669 U CN209589669 U CN 209589669U CN 201920043206 U CN201920043206 U CN 201920043206U CN 209589669 U CN209589669 U CN 209589669U
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- fixture block
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- solder joint
- test fixture
- locating piece
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Abstract
The utility model relates to a kind of welded specimen test fixture, including chuck body, the chuck body is provided with the cavity for accommodating T-type solder joint fatigue sample transverse end, the chuck body is provided with the through-hole passed through for T-type solder joint fatigue sample vertical end, and the fixture block for clamping T-type solder joint fatigue sample and chuck body is provided in the cavity.The utility model is suitable for the fatigue test of T-type welding point, simple and reliable for structure, easy to use.By fixture block by T-type solder joint fatigue sample holder, so that aid power is uniform, unstressed concentration, test structure is more accurate.Fixture block is positioned by locating piece, registration, and the position of changeable locating piece is to adapt to various sizes of fixture block.
Description
Technical field
The utility model relates to a kind of fixture, in particular to a kind of test fixture of welded specimen.
Background technique
The fatigue failure of weld seam usually occurs to concentrate site in stress, and (such as crystal grain is thick for the inhomogeneities of weld seam interior tissue
Greatly, stomata, slag inclusion etc.) and welds geometry mutation (such as toe of weld and the root of weld) be stress concentrate site.Stress is concentrated
Site keeps stablizing under steady load, and fatigue crack is generated under the load of cyclic stress variation and is extended, knot is eventually led to
Component failure.The fatigue test of weld seam is mostly examination object (such as GBT13816, GBT2651 etc.) with docking and cruciform joint, and T
Type welding point fatigue test lacks corresponding testing standard and method.
T-type welding point is divided into two kinds of corner connection and docking.By taking corner connection welding point as an example, corner connection welded joint structure part
Stress concentration occurs mainly in toe of weld and the root of weld.Fatigue testing specimen as shown in Figure 1, the vertical plate in corner connection welded joint structure
By axial tension or pressure；Fatigue testing specimen as shown in Figures 2 and 3, the bottom plate plate in corner connection welded joint structure is by axial drawing
Power or pressure.The specimen test of Fig. 2 and Fig. 3 is identical as plain fatigue test method, clamps without special fixtures, and T-type in Fig. 1
Welding point or the fatigue test of structure of type need special fixture.
Utility model content
The technical issues of main purpose of the utility model is to solve in the prior art provides a kind of test result more
The test fixture of accurate welded specimen.
To achieve the above object, the technical solution of the utility model is:
A kind of test fixture of welded specimen, including chuck body, the chuck body are provided with for accommodating T-type welding
The cavity of fatigue testing specimen transverse end, the chuck body are provided with the through-hole passed through for T-type solder joint fatigue sample vertical end, In
The fixture block for clamping T-type solder joint fatigue sample and chuck body is provided in the cavity.
Further, the chuck body includes pedestal, lock sleeve, and the lock sleeve inner ring is provided with screw thread, the locking
The screw thread of set is matched with pedestal outer ring screw thread.
Further, the through-hole passed through for T-type solder joint fatigue sample vertical end is offered on the lock sleeve.
Further, intermediate after the pedestal and lock sleeve are fixed to be formed for accommodating T-type solder joint fatigue sample transverse end
The cavity.
Further, be fixedly installed locating piece on the base, be provided on the fixture block for the positioning
Block cooperates the clamper hole for positioning fixture block.
Further, the fixture block is arranged two U-type grooves and forms the clamper hole, on the base there are two fixed setting
Locating piece respectively corresponds two U-type grooves, and the spacing between two locating pieces is identical as the spacing between two U-type grooves, institute
State locating piece width and U-type groove it is of same size.
Further, it is provided with multiple groups location hole on the base, the locating piece bolt is fixed on location hole.
Further, the fixture block is arranged between T-type solder joint fatigue sample transverse end and lock sleeve.
Further, the face of the fixture block and T-type solder joint fatigue sample contacts is provided with decorative pattern.
Further, the through-hole passed through for T-type solder joint fatigue sample vertical end is provided on the fixture block.
To sum up content, a kind of test fixture of welded specimen described in the utility model are suitable for T-type welding point fatigue
Test, it is simple and reliable for structure, it is easy to use.By fixture block by T-type solder joint fatigue sample holder, so that aid power is uniform, nothing
Stress is concentrated, and test structure is more accurate.Fixture block is positioned by locating piece, registration, and the position of changeable locating piece
To adapt to various sizes of fixture block.
Detailed description of the invention
Fig. 1 is the schematic diagram of the prior art；
Fig. 2 is the schematic diagram of the prior art；
Fig. 3 is the schematic diagram of the prior art；
Fig. 4 is the structural schematic diagram of the utility model；
Fig. 5 is the schematic diagram of the utility model location hole；
Fig. 6 is the schematic diagram of the utility model fixture block.
As shown in Figures 1 to 6, T-type solder joint fatigue sample 1, fixture block 2, pedestal 3, lock sleeve 4, locating piece 5, location hole 6.
Specific embodiment
The utility model is described in further detail with specific embodiment with reference to the accompanying drawing:
In order to make the purpose of the utility model, technical solutions and advantages more clearly understood, below in conjunction with attached drawing and implementation
Example, the present invention will be further described in detail.It should be appreciated that specific embodiment described herein is only used to explain
The utility model is not used to limit the utility model.
As shown in figure 4, a kind of test fixture of welded specimen, including chuck body, chuck body are provided with for accommodating T
The cavity of 1 transverse end of type solder joint fatigue sample, chuck body is provided with leads to for what 1 vertical end of T-type solder joint fatigue sample passed through
Hole is provided with the fixture block 2 for clamping T-type solder joint fatigue sample 1 and chuck body in cavity.T-type is welded by fixture block 2
The clamping of fatigue testing specimen 1 is connect, so that aid power is uniform, unstressed concentration, test structure is more accurate.
In the present embodiment, chuck body includes pedestal 3, lock sleeve 4, and 4 inner ring of lock sleeve is provided with screw thread, lock sleeve 4
Screw thread matched with 3 outer ring screw thread of pedestal.It offers on lock sleeve 4 and leads to for what 1 vertical end of T-type solder joint fatigue sample passed through
Hole.The intermediate cavity formed for accommodating 1 transverse end of T-type solder joint fatigue sample after pedestal 3 and lock sleeve 4 are fixed.
As shown in Figure 5 and Figure 6, it is fixedly installed locating piece 5 on the base 3, is provided with and is used for and locating piece on fixture block 2
The clamper hole that 5 cooperations position fixture block 2.Fixture block 2 is H-shaped, and a U-type groove is respectively arranged in about 2 fixture block, and U-type groove is clamper hole.
Fixed setting respectively corresponds two U-type grooves there are two locating piece 5 on the base 3, the spacing between two locating pieces 5 and two U
Spacing between type groove is identical, and after the placement of fixture block 2, it is free to limit displacement of the fixture block 2 in Y-axis by two locating pieces 5
The rotary freedom of degree, the rotary freedom in X-axis and Z axis.The width of locating piece 5 and of same size, i.e. Fig. 5 of U-type groove
Displacement freedom of the fixture block 2 in X-axis is limited, in Y-axis by two locating pieces 5 after the placement of fixture block 2 with a=b in Fig. 6
Rotary freedom and Z axis rotary freedom.Fixture block 2 is fixed by the positioning of locating piece 5, and fixture block 2 is to T-type solder joint fatigue sample
1 accurate positioning is only influenced during test by axially loaded power, so that test result is more acurrate.
To cooperate various sizes of fixture block 2, locating piece 5 is to be detachably fixed with pedestal 3, is provided with multiple groups on the base 3
Location hole 6, the bolt of locating piece 5 are fixed on location hole 6.
In order to increase frictional force, the face that fixture block 2 is contacted with T-type solder joint fatigue sample 1 is provided with decorative pattern.
Fixture block 2 is arranged between 1 transverse end of T-type solder joint fatigue sample and lock sleeve 4, is provided on fixture block 2 and welds for T-type
Connect the through-hole that 1 vertical end of fatigue testing specimen passes through.
This test fixture use process is as follows:
The first step, according to the suitable fixture block 2 of the size selection of T-type solder joint fatigue sample 1, and according to 2 two U-type grooves of fixture block
Between spacing selection respective distance two location holes 6, two locating pieces 5 are bolted on selected two positioning
On hole 6.
Second step, T-type solder joint fatigue sample 1 are placed on the base 3, and fixture block 2 is placed above T-type solder joint fatigue sample 1,
The vertical end of T-type solder joint fatigue sample 1 passes through the through-hole of fixture block 2, and the two of fixture block 2 U-type groove matches with locating piece 5 at this time,
Reach locating effect.
Third step, rotation lock fixed 4 decline lock sleeve 4 along the screw thread rotation of 3 outer of pedestal, and lock sleeve 4 forces fixture block
2 clamp T-type solder joint fatigue sample 1.
The lower end of the vertical end of T-type solder joint fatigue sample 1 and fixture base 3 is fixed on fatigue tester by the 4th step,
Start fatigue test.The lower end of pedestal 3 and the connection type of testing machine can be clamped using grip of testing machine, can also be by pedestal
3 lower ends are fixed on testing machine, a part as testing machine.Test fixture described in the utility model can be adapted for unilateral
The welding points such as T-type welding point, bilateral T-type welding point, T-type butt weld.
A kind of test fixture of welded specimen described in the utility model is suitable for the fatigue test of T-type welding point, knot
Structure is simple and reliable, easy to use.T-type solder joint fatigue sample 1 is clamped by fixture block, so that aid power is uniform, unstressed concentration,
Test structure is more accurate.Fixture block 2 is positioned by locating piece 5, registration, and the position of changeable locating piece is to adapt to not
With the fixture block 2 of size.
To sum up content, the solar water heater of a kind of section material framework structure described in the utility model and the application structure,
Profile all uses in conjunction with sealant in conjunction with backboard, at profile combined corner with glass, profile, and gluing process can be all using certainly
Dynamic production equipment, not only increases the sealing performance of product, also has the advantages of process automation, high production efficiency.
As described above, the plan content in conjunction with given by attached drawing, can derive similar technical solution.But it is all not take off
Content from technical solutions of the utility model is made by the above technical examples according to the technical essence of the present invention any simple
Modification, equivalent variations and modification, are still within the scope of the technical solutions of the present invention.
Claims (10)
1. a kind of test fixture of welded specimen, it is characterised in that: including chuck body, the chuck body is provided with for holding
Receive the cavity of T-type solder joint fatigue sample transverse end, the chuck body is provided with to be passed through for T-type solder joint fatigue sample vertical end
Through-hole, the fixture block for clamping T-type solder joint fatigue sample and chuck body is provided in the cavity.
2. a kind of test fixture of welded specimen according to claim 1, it is characterised in that: the chuck body includes bottom
Seat, lock sleeve, the lock sleeve inner ring are provided with screw thread, and the screw thread of the lock sleeve is matched with pedestal outer ring screw thread.
3. a kind of test fixture of welded specimen according to claim 2, it is characterised in that: opened up on the lock sleeve
There is the through-hole passed through for T-type solder joint fatigue sample vertical end.
4. a kind of test fixture of welded specimen according to claim 2, it is characterised in that: the pedestal and lock sleeve are solid
The intermediate cavity formed for accommodating T-type solder joint fatigue sample transverse end after fixed.
5. a kind of test fixture of welded specimen according to claim 2, it is characterised in that: fixation is set on the base
It is equipped with locating piece, is provided on the fixture block for cooperating the clamper hole for positioning fixture block with the locating piece.
6. a kind of test fixture of welded specimen according to claim 5, it is characterised in that: two U are arranged in the fixture block
Type groove forms the clamper hole, and fixed setting respectively corresponds two U-type grooves there are two locating piece on the base, described in two
Spacing between locating piece is identical as the spacing between two U-type grooves, the width of the locating piece and U-type groove it is of same size.
7. a kind of test fixture of welded specimen according to claim 5 or 6, it is characterised in that: set on the base
It is equipped with multiple groups location hole, the locating piece bolt is fixed on location hole.
8. a kind of test fixture of welded specimen according to claim 2, it is characterised in that: the fixture block is arranged in T-type
Between solder joint fatigue sample transverse end and lock sleeve.
9. a kind of test fixture of welded specimen according to claim 1, it is characterised in that: the fixture block and T-type weld
The face of fatigue testing specimen contact is provided with decorative pattern.
10. a kind of test fixture of welded specimen according to claim 1, it is characterised in that: be provided on the fixture block
The through-hole passed through for T-type solder joint fatigue sample vertical end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920043206.0U CN209589669U (en) | 2019-01-11 | 2019-01-11 | A kind of test fixture of welded specimen |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920043206.0U CN209589669U (en) | 2019-01-11 | 2019-01-11 | A kind of test fixture of welded specimen |
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| Publication Number | Publication Date |
|---|---|
| CN209589669U true CN209589669U (en) | 2019-11-05 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201920043206.0U Active CN209589669U (en) | 2019-01-11 | 2019-01-11 | A kind of test fixture of welded specimen |
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| CN (1) | CN209589669U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112577820A (en) * | 2020-11-24 | 2021-03-30 | 江苏科技大学 | Tensile test method for T-shaped welding joint |
| CN112595579A (en) * | 2020-12-30 | 2021-04-02 | 华侨大学 | Self-adaptation metal sheet normal direction joint strength test device |
-
2019
- 2019-01-11 CN CN201920043206.0U patent/CN209589669U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112577820A (en) * | 2020-11-24 | 2021-03-30 | 江苏科技大学 | Tensile test method for T-shaped welding joint |
| CN112595579A (en) * | 2020-12-30 | 2021-04-02 | 华侨大学 | Self-adaptation metal sheet normal direction joint strength test device |
| CN112595579B (en) * | 2020-12-30 | 2022-07-29 | 华侨大学 | Self-adaptation metal sheet normal direction joint strength test device |
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