CN206208647U - The fatigue test clamper of T-shaped corner joint - Google Patents
The fatigue test clamper of T-shaped corner joint Download PDFInfo
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- CN206208647U CN206208647U CN201621312518.XU CN201621312518U CN206208647U CN 206208647 U CN206208647 U CN 206208647U CN 201621312518 U CN201621312518 U CN 201621312518U CN 206208647 U CN206208647 U CN 206208647U
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- corner joint
- shaped corner
- slotted hole
- bearing
- connection end
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Abstract
A kind of fatigue test clamper of T-shaped corner joint, including in the connects bearing of " T-shaped ", connects bearing is by the bare terminal end being connected with the chuck of fatigue tester positioned at bottom and superposed is constituted for fixing the connection end of T-shaped corner joint；The concrete structure of connection end is：The length matched with the wing plate size of T-shaped corner joint horizontal groove in left-right direction is provided with the upper surface of connection end, the right and left of both sides is provided with bearing slotted hole before and after horizontal groove, bearing slotted hole length direction is parallel with horizontal groove；The fixture also includes the fixed briquetting in left and right two for the wing plate of T-shaped corner joint to be fixed in horizontal groove, and briquetting slotted hole is provided with the bearing slotted hole corresponding position on two fixed briquettings；Fastening bolt sequentially passes through briquetting slotted hole and bearing slotted hole is connected with nut.The fixture can realize the fatigue loading to T-shaped corner joint with connecting T-shaped corner joint and existing fatigue tester.
Description
Technical field
The utility model is related to a kind of fatigue test clamper of T-shaped corner joint, belongs to the technical fields such as machinery, material.
Background technology
Welding is widely used in modern manufacturing industry as important Material Joining Technology.Good welding quality is weldering
The premise that binding structure is on active service safely and guarantee.The method for judging quality of weld joint mainly has Non-Destructive Testing, mechanics properties testing
Etc. means.But under actual condition, many components due to the effect of alternate stress, less than material static load limit σb, or even
It is Materials Yield Limit σsIn the case of i.e. occur fatigue rupture.Due to not being plastically deformed significantly before fatigue fracture, mostly
Unexpected brittle fracture, therefore it has extremely serious threat to welded safe operation.Therefore, how weldering is correctly judged
The fatigue strength of joint becomes focus of concern.
In traditional welding point fatigue test, pay close attention to banjo fixing butt jointing, cross corner joint, reinforcement cross angle more
The Common linkers such as joint, and shorter mention is to the testing fatigue of T-shaped corner joint.As solder technology is handed in China's track
Continue to develop and the application, and further raising of the people to welding structure quality requirement in the fields such as logical, Aero-Space, it is T-shaped
The fatigue life of corner joint judges and has become urgent actual demand.
Due to the specificity of T-shaped corner joint, it is impossible to directly carry out fatigue loading on fatigue tester, it is necessary to pass through specially
It is connected with existing fatigue tester with fixture.But the fatigue test clamper specially designed for T-shaped corner joint is there is no at present, this
Greatly hinder the fatigue property test of T-shaped corner joint.Therefore, a kind of special T-shaped corner joint fatigue fixture is needed badly,
The testing fatigue of T-shaped corner joint is realized on existing fatigue tester.
Utility model content
The purpose of this utility model is to provide a kind of fatigue test clamper of the T-shaped corner joint used.The fixture can be with
Connecting T-shaped corner joint and existing fatigue tester, realize the fatigue loading to T-shaped corner joint, and with low cost, operation letter
It is single, be conducive to being widely applied in testing fatigue.
The utility model realizes that its goal of the invention is adopted the technical scheme that：A kind of fatigue test of T-shaped corner joint
Fixture, including in the connects bearing of " T-shaped ", the connects bearing is by the folder being connected with the chuck of fatigue tester positioned at bottom
Hold end and the superposed connection end for fixing T-shaped corner joint constitutes；The concrete structure of the connection end is：Connection end
Upper surface on be provided with the length matched with the wing plate size of T-shaped corner joint horizontal groove in left-right direction,
The right and left of both sides is each provided with a bearing slotted hole, the bearing slotted hole length direction and level before and after horizontal groove
Groove length direction is parallel；The fixture also includes the left and right for the wing plate of T-shaped corner joint to be fixed in horizontal groove
Two fixed briquettings, briquetting slotted hole is provided with two fixed briquettings with the bearing slotted hole corresponding position；Fastening spiral shell
Bolt sequentially passes through briquetting slotted hole and bearing slotted hole is connected with nut.
Operation principle and using method of the present utility model is：
The wing plate side of T-shaped corner joint (sample) is put into the connection end upper surface horizontal groove of connects bearing.By a left side
Right two fixed briquettings are respectively placed in the left side of T-shaped corner joint and the wing plate top on the right, and the fixed briquetting position of adjustment makes
Fixed briquetting pushes down the wing plate of T-shaped corner joint completely.Fastening bolt is passed through into briquetting slotted hole and bearing slotted hole, is tightened tight
, thus be fixed on the tab portions of fixed briquetting and T-shaped corner joint on the upper surface of connection end by fixing bolt.Then, according to
Plain fatigue sample holder method, tired examination is fixed on by the chuck of the other end of T-shaped corner joint and fatigue tester jointly
Test on machine, you can carry out the testing fatigue of T-shaped corner joint.
Left and right directions is X-direction in the utility model, and fore-and-aft direction is Y-direction.
Compared with prior art, the beneficial effects of the utility model are：
First, by special connects bearing connecting T-shaped corner joint and fatigue tester, realize in the examination of existing plain fatigue
Testing on machine carries out the testing fatigue of T-shaped corner joint.
2nd, the horizontal groove on the upper surface of connection end both can with restricted T type corner joint fore-and-aft direction movement, and
The position of T-shaped corner joint can easily be adjusted, reduce sample, fixture, fatigue test machine grip holder mismatch and to experiment
Result produces influence, and the design of briquetting slotted hole and bearing slotted hole can quickly adjust fixed briquetting position and installation fastens spiral shell
Bolt.
3rd, jig Design is simple, with low cost, easy to operate, is conducive to being widely applied in testing fatigue.
Further, pre-positioning block is provided with front side of two described in the utility model fixed briquettings, rear side is provided with
The front end face of connection end is close in post-positioning block, the pre-positioning block inner side, and the rear end face of connection end is close in post-positioning block inner side.
Pre-positioning block and post-positioning block can limit the movement in the Y direction of fixed briquetting, while micro- to the X-direction of fixed briquetting
Tune plays guide effect.
Further, X is provided with the middle part of connection end front/rear end described in the utility model in face of middle groove, the connection end
Y is provided with the middle part of the end face of left and right in face of middle groove.
X can be used for the precise alignment of T-shaped corner joint and connects bearing in face of middle groove and Y in face of middle groove, it is to avoid by
The asymmetric loading for causing fatigue testing specimen is misaligned in sample, its influence to result of the test is reduced.
Further, connect with the wing plate of the T-shaped corner joint on the two described in the utility model lower surfaces of fixed briquetting
Tactile part is provided with pressure sensor, and the output end of pressure sensor is electrically connected with force value device for digit-displaying.
So, fastening pressure during the T-shaped corner joint of measurable clamp, checks according to force value device for digit-displaying before testing
To the clamping force of sample, adjust fastening bolt makes force value reach appropriate value to fixture, it is ensured that sample is clamped completely, it is ensured that tired
The normal starting of oscillation of labor testing machine.
Further, to be provided with a pair of relative Y-directions in the middle part of the front and rear both sides of horizontal groove described in the utility model micro-
Adjust screw rod.
Further, a pair of relative X-directions are provided with the middle part of the left and right sides of horizontal groove described in the utility model
Fine setting screw rod.
When sample is installed, screw rod is finely tuned by turn X-direction and Y-direction finely tunes screw rod, sample is faced middle groove with X
Overlapped in face of middle groove with Y, can be used to accurately adjust the position of T-shaped corner joint sample.
Further, the fastening bolt through each briquetting slotted hole and bearing slotted hole described in the utility model is two.
So, ground seamless block position on the one hand can be conveniently adjusted, on the other hand can ensures stabilization clamp of the fixture to sample
Hold, it is to avoid because clamping not tightly caused by fatigue tester cannot starting of oscillation situation.
A point utility model is described further with reference to the accompanying drawings and detailed description.
Around in the utility model, the description of upper inferior direction closes just to showing the position between various pieces
System, is not used to limit protection domain of the present utility model.
Brief description of the drawings
Fig. 1 is the gross three-dimensional structure schematic diagram of the utility model embodiment.
Fig. 2 is the utility model embodiment connects bearing part enlarged diagram.
Fig. 3 is that the utility model embodiment fixes briquetting part enlarged diagram.
Specific embodiment：
Embodiment
Fig. 1 shows that a kind of specific embodiment of the present utility model is：A kind of fatigue test clamper of T-shaped corner joint,
Including the connects bearing 1 in " T-shaped ", as shown in Fig. 2 the connects bearing 1 is by the chuck with fatigue tester positioned at bottom
Connected bare terminal end and the superposed connection end for fixing T-shaped corner joint constitute；The concrete structure of the connection end
It is：The length that matches with the wing plate size of the T-shaped corner joint is provided with the upper surface of connection end in left-right direction
Horizontal groove 1e, the right and left of both sides is each provided with a bearing slotted hole 1f before and after horizontal groove 1e, and the bearing is oval
Hole 1f length directions are parallel with horizontal groove 1e length directions；The fixture is also included for the wing plate of T-shaped corner joint to be consolidated
Due to the fixed briquetting 2 in left and right two in horizontal groove 1e, as shown in figure 3, on two fixed briquettings 2 with the bearing slotted hole
1f corresponding positions are provided with briquetting slotted hole 2b；Fastening bolt 4 sequentially pass through briquetting slotted hole 2b and bearing slotted hole 1f with
Nut 3 is connected.
The front side of two fixed briquettings 2 is provided with pre-positioning block 2c described in this example, and rear side is provided with post-positioning block
The front end face of connection end is close in 2d, the pre-positioning block 2c inner sides, and post-positioning block 2d is close to the rear end face of connection end in inner side.
X is provided with the middle part of connection end front/rear end described in this example and faces middle groove 1a, the connection end or so end face
Middle part be provided with Y in face of middle groove 1b.
The part that two fixed briquettings 2 described in this example are contacted with the wing plate of T-shaped corner joint is provided with pressure sensor
The output end of 2a, pressure sensor 2a is electrically connected with force value device for digit-displaying 6.
Relative a pair of Y-directions fine setting screw rod 1c is provided with the middle part of the front and rear both sides of horizontal groove 1e described in this example.
Relative a pair of X-directions fine setting screw rod 1d is provided with the middle part of the left and right sides of horizontal groove 1e described in this example.
Fastening bolt 4 described in this example through each briquetting slotted hole 2b and bearing slotted hole 1f is two.
Claims (7)
1. a kind of fatigue test clamper of T-shaped corner joint, including in the connects bearing (1) of " T-shaped ", the connects bearing (1)
By the bare terminal end being connected with the chuck of fatigue tester positioned at bottom and the superposed company for fixing T-shaped corner joint
Connect end composition；The concrete structure of the connection end is：The wing plate with the T-shaped corner joint is provided with the upper surface of connection end
The length that size matches horizontal groove (1e) in left-right direction, the right and left of both sides is respectively set before and after horizontal groove (1e)
There is a bearing slotted hole (1f), bearing slotted hole (1f) length direction is parallel with horizontal groove (1e) length direction；Institute
Stating fixture also includes the fixed briquetting (2) in left and right two for being used to be fixed on the wing plate of T-shaped corner joint in horizontal groove (1e),
On two fixed briquettings (2) briquetting slotted hole (2b) is provided with bearing slotted hole (1f) corresponding position；Fastening bolt
(4) sequentially pass through briquetting slotted hole (2b) and bearing slotted hole (1f) is connected with nut (3).
2. the fatigue test clamper of a kind of T-shaped corner joint according to claim 1, it is characterised in that：It is described two solid
Pre-positioning block (2c) is provided with front side of level pressure block (2), rear side is provided with post-positioning block (2d), the pre-positioning block (2c)
The front end face of connection end is close in inner side, and the rear end face of connection end is close in post-positioning block (2d) inner side.
3. the fatigue test clamper of a kind of T-shaped corner joint according to claim 1, it is characterised in that：The connection end
X is provided with the middle part of front/rear end and faces to be provided with the middle part of middle groove (1a), the connection end or so end face Y in face of middle groove
(1b)。
4. the fatigue test clamper of a kind of T-shaped corner joint according to claim 1, it is characterised in that：It is described two solid
The part that level pressure block (2) is contacted with the wing plate of T-shaped corner joint is provided with pressure sensor (2a), pressure sensor (2a) it is defeated
Go out end to be electrically connected with force value device for digit-displaying (6).
5. the fatigue test clamper of a kind of T-shaped corner joint according to claim 3, it is characterised in that：The level is recessed
A pair of relative Y-directions are provided with the middle part of the front and rear both sides of groove (1e) and finely tune screw rod (1c).
6. the fatigue test clamper of a kind of T-shaped corner joint according to claim 3 or 5, it is characterised in that：The level
A pair of relative X-directions are provided with the middle part of the left and right sides of groove (1e) and finely tune screw rod (1d).
7. the fatigue test clamper of a kind of T-shaped corner joint according to claim 1, it is characterised in that：It is described through every
The fastening bolt (4) of individual briquetting slotted hole (2b) and bearing slotted hole (1f) is two.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621312518.XU CN206208647U (en) | 2016-12-02 | 2016-12-02 | The fatigue test clamper of T-shaped corner joint |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621312518.XU CN206208647U (en) | 2016-12-02 | 2016-12-02 | The fatigue test clamper of T-shaped corner joint |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206208647U true CN206208647U (en) | 2017-05-31 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621312518.XU Active CN206208647U (en) | 2016-12-02 | 2016-12-02 | The fatigue test clamper of T-shaped corner joint |
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| Country | Link |
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| CN (1) | CN206208647U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106442120A (en) * | 2016-12-02 | 2017-02-22 | 西南交通大学 | Fatigue test clamp device for T-shaped corner joint |
| CN107389440A (en) * | 2017-06-29 | 2017-11-24 | 中车长春轨道客车股份有限公司 | A kind of biaxial fatigue test fixture |
| CN112577820A (en) * | 2020-11-24 | 2021-03-30 | 江苏科技大学 | Tensile test method for T-shaped welding joint |
-
2016
- 2016-12-02 CN CN201621312518.XU patent/CN206208647U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106442120A (en) * | 2016-12-02 | 2017-02-22 | 西南交通大学 | Fatigue test clamp device for T-shaped corner joint |
| CN107389440A (en) * | 2017-06-29 | 2017-11-24 | 中车长春轨道客车股份有限公司 | A kind of biaxial fatigue test fixture |
| CN112577820A (en) * | 2020-11-24 | 2021-03-30 | 江苏科技大学 | Tensile test method for T-shaped welding joint |
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