CN106442120A - Fatigue test clamp device for T-shaped corner joint - Google Patents
Fatigue test clamp device for T-shaped corner joint Download PDFInfo
- Publication number
- CN106442120A CN106442120A CN201611093650.0A CN201611093650A CN106442120A CN 106442120 A CN106442120 A CN 106442120A CN 201611093650 A CN201611093650 A CN 201611093650A CN 106442120 A CN106442120 A CN 106442120A
- Authority
- CN
- China
- Prior art keywords
- corner joint
- shaped corner
- slotted hole
- fatigue test
- fatigue
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000009661 fatigue test Methods 0.000 title claims abstract description 22
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims 1
- 238000012360 testing method Methods 0.000 description 12
- 239000000463 material Substances 0.000 description 4
- 238000003466 welding Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 230000010355 oscillation Effects 0.000 description 2
- 241000538562 Banjos Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005304 joining Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000009659 non-destructive testing Methods 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 229910000679 solder Inorganic materials 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
Classifications
-
- 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
- G01N3/02—Details
- G01N3/04—Chucks
-
- 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
- G01N2203/0058—Kind of property studied
- G01N2203/0069—Fatigue, creep, strain-stress relations or elastic constants
- G01N2203/0073—Fatigue
-
- 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
- G01N2203/04—Chucks, fixtures, jaws, holders or anvils
Landscapes
- 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
The invention relates to a fatigue test clamp device for a T-shaped corner joint. The fatigue test clamp device comprises a T-shaped connecting support, a left fixing pressing block and a right fixing pressing block, wherein the connecting support consists of a clamping end which is positioned at the lower part and is connected with a chuck of a fatigue testing machine, and a connecting end which is positioned at the upper part and is used for fixing the T-shaped corner joint; the connecting end is of a specific structure that a horizontal groove which is matched with the size of a wing plate of the T-shaped corner joint and of which the length is along a left-right direction is formed in the upper end face of the connecting end, the left and right fixing pressing blocks are used for fixing the wing plate of the T-shaped corner joint in the horizontal groove; support oblong holes are formed in both left and right edges of the both front and right sides of the horizontal groove, and the length direction of the support oblong holes is in parallel to the horizontal groove; pressing block oblong holes are formed in positions, which correspond to the support oblong holes, of the two fixing pressing blocks; fastening bolts sequentially pass through the pressing block oblong holes and the support oblong holes to be connected with nuts. The device can connect the T-shaped corner joint with the existing fatigue testing machine, and implements fatigue loading of the T-shaped corner joint.
Description
Technical field
The present invention relates to a kind of fatigue test clamper device 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
Premise and guarantee that access node structure is on active service safely.The method for passing judgment on quality of weld joint mainly has Non-Destructive Testing, mechanics properties testing
Etc. means.But under actual condition, many components are being less than material static load limit σ due to the effect of alternate stressb, or even
It is Materials Yield Limit σsIn the case of there is fatigue rupture.Due to without obvious plastic deformation before fatigue fracture, mostly
Unexpected brittle fracture, therefore which has extremely serious threat to welded safe operation.Therefore, how weldering is correctly passed judgment on
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
The continuous development in field and the applications such as logical, Aero-Space, and further raising of the people to welding structure prescription, T-shaped
The fatigue life of corner joint passes judgment on and has had become as urgent actual demand.
Specificity due to T-shaped corner joint, it is impossible to directly carry out fatigue loading on fatigue machine, needs by specially
It is connected with existing fatigue machine with fixture.But there is no the fatigue test clamper for specially designing for T-shaped corner joint at present, this
The fatigue property test of T-shaped corner joint is greatly hindered.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 machine.
Content of the invention
It is an object of the invention to provide a kind of fatigue test clamper device of the T-shaped corner joint that uses.The device is permissible
Connecting T-shaped corner joint and existing fatigue machine, realize the fatigue loading to T-shaped corner joint, and with low cost, operation letter
Single, be conducive to widely applying in testing fatigue.
The present invention realizes its goal of the invention and is adopted the technical scheme that：A kind of fatigue test clamper of T-shaped corner joint
Device, including the connects bearing in " T-shaped ", the connects bearing is by the folder connected with the chuck of fatigue machine for being located 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 for matching with the wing plate size of T-shaped corner joint horizontal groove in left-right direction,
Before and after horizontal groove, the right and left of both sides is each provided with a bearing slotted hole, the bearing slotted hole length direction and level
Groove length direction is parallel；The grip device is also included for the wing plate of T-shaped corner joint is fixed in horizontal groove
The two fixing briquettings in left and right, all have briquetting slotted hole with the bearing slotted hole corresponding position on two fixing briquettings；Tightly
Fixing bolt sequentially passes through briquetting slotted hole and bearing slotted hole is connected with nut.
The operation principle and using method of the present invention be：
The wing plate side of T-shaped corner joint (sample) is put in the connection end upper surface horizontal groove of connects bearing.By a left side
Right two fixing briquettings are respectively placed in above the left side of T-shaped corner joint and the wing plate on the right, the fixing briquetting position of adjustment, are made
The wing plate of T-shaped corner joint pushed down completely by fixing briquetting.By fastening bolt through briquetting slotted hole and bearing slotted hole, tighten tight
Fixing bolt, is thus fixed on the tab portions of fixing briquetting and T-shaped corner joint on the upper surface of connection end.Then, according to
Plain fatigue sample holder method, the other end of T-shaped corner joint is fixed on tired examination jointly with the chuck of fatigue machine
Test on machine, you can carry out the testing fatigue of T-shaped corner joint.
In the present invention, left and right directions is X-direction, and fore-and-aft direction is Y-direction.
Compared with prior art, the invention has the beneficial effects as follows：
First, by special connects bearing connecting T-shaped corner joint and fatigue machine, it is achieved that try in existing plain fatigue
Testing carries out the testing fatigue of T-shaped corner joint on machine.
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 test
As a result impact is produced, and the design of briquetting slotted hole and bearing slotted hole can quickly adjust fixing briquetting position and install fastening spiral shell
Bolt.
3rd, grip device design is simple, with low cost, easy to operate, is conducive to widely applying in testing fatigue.
Further, the front side of two of the present invention fixing briquettings is provided with pre-positioning block, and rear side is fixed after being provided with
Position block, surveys the front end face for being close to connection end in the pre-positioning block, survey the rear end face for being close to connection end in post-positioning block.
Pre-positioning block and post-positioning block can limit the movement in the Y direction of fixing briquetting, while micro- to the X-direction of fixing briquetting
Tune plays guide effect.
Further, the middle part of connection end front/rear end of the present invention is provided with X in the face of middle groove, described connection end or so
The middle part of end face is provided with Y in the face of middle groove.
X can be used for the precise alignment of T-shaped corner joint and connects bearing in the face of middle groove and Y in the face of middle groove, it is to avoid by
The asymmetric loading for causing fatigue testing specimen is misaligned in sample, reduces its impact to result of the test.
Further, contact with the wing plate of the T-shaped corner joint on the lower surface of two of the present invention fixing briquettings
Part is provided with pressure transducer, and the outfan of pressure transducer is electrically connected with force value device for digit-displaying.
So, fastening pressure during the measurable T-shaped corner joint of grip device clamping, before testing according to force value device for digit-displaying
Clamping force of the fixture to sample is checked, adjustment fastening bolt makes force value reach appropriate value, it is ensured that sample is clamped completely, is protected
The normal starting of oscillation of card fatigue machine.
Further, the middle part of the both sides in front and back of horizontal groove of the present invention is provided with a pair of relative Y-direction fine setting spiral shell
Bar.
Further, the middle part of the left and right sides of horizontal groove of the present invention is provided with a pair of relative X-direction fine setting
Screw rod.
When sample is installed, screw rod being finely tuned by turn X-direction and Y-direction finely tunes screw rod, sample is made with X in the face of middle groove
Overlap in the 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 of the present invention is two.
So, on the one hand ground seamless block position can be conveniently adjusted, on the other hand can ensure that stabilization clamp of the fixture to sample
Hold, it is to avoid because clamping tightly do not cause fatigue machine cannot starting of oscillation situation.
With reference to the accompanying drawings and detailed description to distributing bright being described further.
Around in the present invention, the description of upper inferior direction just to showing the position relationship between various pieces, and
It is not intended to limit the scope of the invention.
Description of the drawings
Fig. 1 is the gross three-dimensional structure schematic diagram of the embodiment of the present invention.
Fig. 2 is embodiment of the present invention connects bearing part enlarged diagram.
Fig. 3 fixes briquetting part enlarged diagram for the embodiment of the present invention.
Specific embodiment：
Embodiment
Fig. 1 is illustrated, a kind of specific embodiment of the present invention is：A kind of fatigue test clamper device 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 machine for being located 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, before and after horizontal groove 1e, the right and left of both sides is each provided with a bearing slotted hole 1f, and the bearing is oval
Hole 1f length direction is parallel with horizontal groove 1e length direction；The grip device is also included for by the wing of T-shaped corner joint
The fixing briquetting 2 in the left and right that plate is fixed in horizontal groove 1e two, as shown in figure 3, long with the bearing on two fixing briquettings 2
Circular hole 1f corresponding position all has briquetting slotted hole 2b；Fastening bolt 4 sequentially passes through briquetting slotted hole 2b and bearing slotted hole
1f is connected with nut 3.
Described in this example, the front side of two fixing briquettings 2 is provided with pre-positioning block 2c, and rear side is provided with post-positioning block
The front end face for being close to connection end is surveyed in 2d, the pre-positioning block 2c, surveys the rear end face for being close to connection end in post-positioning block 2d.
The middle part of connection end front/rear end described in this example is provided with X in the face of middle groove 1a, described connection end or so end face
Middle part be provided with Y in the face of middle groove 1b.
The part that two fixing briquettings 2 described in this example are contacted with the wing plate of T-shaped corner joint is provided with pressure transducer
2a, the outfan of pressure transducer 2a is electrically connected with force value device for digit-displaying 6.
Before and after horizontal groove 1e described in this example, the middle part of both sides is provided with a pair of relative Y-direction fine setting screw rod 1c.
The middle part of the left and right sides of horizontal groove 1e described in this example is provided with a pair of relative X-direction fine setting screw rod 1d.
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 device of T-shaped corner joint, including the connects bearing (1) in " T-shaped ", the connects bearing
(1) by being located at the bare terminal end connected with the chuck of fatigue machine of bottom and superposed for fixing T-shaped corner joint
Connection end composition；The concrete structure of the connection end is：It is provided with the upper surface of connection end and the T-shaped corner joint
The length that wing plate size matches horizontal groove (1e) in left-right direction, before and after horizontal groove (1e), the right and left of both sides is each
A bearing slotted hole (1f) is provided with, bearing slotted hole (1f) length direction is flat with horizontal groove (1e) length direction
OK；The grip device also includes that the left and right two for the wing plate of T-shaped corner joint is fixed in horizontal groove (1e) is consolidated
Level pressure block (2), all has briquetting slotted hole with bearing slotted hole (1f) corresponding position on two fixing briquettings (2)
(2b)；Fastening bolt (4) sequentially passes through briquetting slotted hole (2b) and bearing slotted hole (1f) is connected with nut (3).
2. the fatigue test clamper device of a kind of T-shaped corner joint according to claim 1, it is characterised in that：Described two
The front side of individual fixing briquetting (2) is provided with pre-positioning block (2c), and rear side is provided with post-positioning block (2d), the pre-positioning block
(2c) front end face for being close to connection end is surveyed in, surveys the rear end face for being close to connection end in post-positioning block (2d).
3. the fatigue test clamper device of a kind of T-shaped corner joint according to claim 1, it is characterised in that：The company
The middle part for connecing end front/rear end is provided with X in the face of middle groove (1a), and the middle part of described connection end or so end face is provided with during Y faces
Groove (1b).
4. the fatigue test clamper device of a kind of T-shaped corner joint according to claim 1, it is characterised in that：Described two
The part that individual fixing briquetting (2) are contacted with the wing plate of T-shaped corner joint is provided with pressure transducer (2a), pressure transducer (2a)
Outfan electrically connect with force value device for digit-displaying (6).
5. the fatigue test clamper device of a kind of T-shaped corner joint according to claim 3, it is characterised in that：The water
Before and after flat grooves (1e), the middle part of both sides is provided with a pair of relative Y-direction fine setting screw rod (1c).
6. the fatigue test clamper device of a kind of T-shaped corner joint according to claim 3 or 5, it is characterised in that：Described
The middle part of the left and right sides of horizontal groove (1e) is provided with a pair of relative X-direction fine setting screw rod (1d).
7. the fatigue test clamper device of a kind of T-shaped corner joint according to claim 1, it is characterised in that：Described wear
The fastening bolt (4) for crossing each briquetting slotted hole (2b) and bearing slotted hole (1f) is two.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611093650.0A CN106442120A (en) | 2016-12-02 | 2016-12-02 | Fatigue test clamp device for T-shaped corner joint |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611093650.0A CN106442120A (en) | 2016-12-02 | 2016-12-02 | Fatigue test clamp device for T-shaped corner joint |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106442120A true CN106442120A (en) | 2017-02-22 |
Family
ID=58223523
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611093650.0A Pending CN106442120A (en) | 2016-12-02 | 2016-12-02 | Fatigue test clamp device for T-shaped corner joint |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106442120A (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106840866A (en) * | 2017-03-31 | 2017-06-13 | 沈阳盛远检测技术有限公司 | Fatigue tester load joint samples fixture |
| CN108645701A (en) * | 2018-05-07 | 2018-10-12 | 北京航空航天大学 | A kind of test T connector multi-angle mechanical behavior experimental rig |
| CN108801802A (en) * | 2018-06-05 | 2018-11-13 | 航天工程装备（苏州）有限公司 | A kind of device and test method for T connector crooked test |
| CN109612826A (en) * | 2019-01-21 | 2019-04-12 | 哈尔滨理工大学 | A kind of disc type pole type sample stretches and fatigue experiment fixture |
| CN110160954A (en) * | 2019-06-12 | 2019-08-23 | 辽宁科技大学 | A kind of single device and method with soil frictional force of measurement plant |
| CN112595579A (en) * | 2020-12-30 | 2021-04-02 | 华侨大学 | Self-adaptation metal sheet normal direction joint strength test device |
| CN113776930A (en) * | 2021-09-01 | 2021-12-10 | 中国航发北京航空材料研究院 | Combined material T type connecting piece is drawn, is pressed experimental universal fixturing |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106840866A (en) * | 2017-03-31 | 2017-06-13 | 沈阳盛远检测技术有限公司 | Fatigue tester load joint samples fixture |
| CN106840866B (en) * | 2017-03-31 | 2023-08-01 | 沈阳盛远检测技术有限公司 | Bearing joint sample clamp for fatigue testing machine |
| CN108645701A (en) * | 2018-05-07 | 2018-10-12 | 北京航空航天大学 | A kind of test T connector multi-angle mechanical behavior experimental rig |
| CN108801802A (en) * | 2018-06-05 | 2018-11-13 | 航天工程装备（苏州）有限公司 | A kind of device and test method for T connector crooked test |
| CN109612826A (en) * | 2019-01-21 | 2019-04-12 | 哈尔滨理工大学 | A kind of disc type pole type sample stretches and fatigue experiment fixture |
| CN110160954A (en) * | 2019-06-12 | 2019-08-23 | 辽宁科技大学 | A kind of single device and method with soil frictional force of measurement plant |
| CN110160954B (en) * | 2019-06-12 | 2024-02-27 | 辽宁科技大学 | Device and method for measuring friction force between plant single element and soil |
| CN112595579A (en) * | 2020-12-30 | 2021-04-02 | 华侨大学 | Self-adaptation metal sheet normal direction joint strength test device |
| CN113776930A (en) * | 2021-09-01 | 2021-12-10 | 中国航发北京航空材料研究院 | Combined material T type connecting piece is drawn, is pressed experimental universal fixturing |
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Application publication date: 20170222 |
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