CN207742028U - A kind of tensile test fixture - Google Patents
A kind of tensile test fixture Download PDFInfo
- Publication number
- CN207742028U CN207742028U CN201820125944.5U CN201820125944U CN207742028U CN 207742028 U CN207742028 U CN 207742028U CN 201820125944 U CN201820125944 U CN 201820125944U CN 207742028 U CN207742028 U CN 207742028U
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- CN
- China
- Prior art keywords
- shaped set
- tensile test
- test fixture
- shaped
- hollow posts
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- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The utility model is related to tension test technical field, especially a kind of tensile test fixture.The tensile test fixture, including clamping component and connecting elements, clamping component includes the U-shaped set that bottom center position is equipped with through-hole, screw rod that is horizontal and being symmetrically disposed on two sets of arms of U-shaped set, fixed plate for connecting U-shaped set set arm and being symmetrically fixed on U-shaped set both sides, the hollow posts inside U-shaped set are stretched into the through-hole across U-shaped set U-shaped bottom face, the steel column that connecting elements is welded together by three beginnings is constituted, three steel columns after welding are generally aligned in the same plane, the end of wherein two steel columns is individually fixed in the both ends in U-shaped set U-shaped bottom face, isosceles triangular structure is formed with U-shaped set bottom surface, third root steel column end is stretched into across hollow posts inside U-shaped set.A kind of tensile test fixture of the utility model is reasonable for structure, simple, easily operated, and fixture clamping is reliable, it can be ensured that in drawing process the axis of sample with Impact direction on the same line.
Description
Technical field
The utility model is related to tension test technical field, especially a kind of tensile test fixture.
Background technology
Tension test refers to that the test method of material property is measured in the case where bearing axial tensile loads.It is obtained using tension test
To data can determine the elastic limit of material, elongation, elasticity modulus, proportional limit, area reduction amount, tensile strength,
Yield point, yield strength and other tensile property indexs.Tension test success or not depends on factors, wherein tension test
The performance of fixture is to influence one of whether successful key factor of tension test.At present during experiment, with experiment
Drawing force constantly increases, and the active force that fixture is subject to is also increasing, is susceptible to more problem, such as：Fixture is grip
It is unreliable, it the loose phenomenons such as has skidded, influences test result；Fixture is clamped tension, clamping plate with sample frictional force is excessive causes
Sample is broken at clamping plate, influences test result；The axis of sample and Impact direction in drawing process not on the same line,
Cause sample uneven in axially loaded, influences test result.
Therefore, a kind of tensile test fixture how is provided, clamping is reliable, the damages such as the loose phenomenons such as no skidding and clamping tension
Evil sample phenomenon, it is ensured that the axis of sample and Impact direction on the same line, make sample uniform force in drawing process, are these
Field technology personnel's urgent problem to be solved.
Utility model content
The purpose of this utility model is to provide a kind of tensile test fixture, tensile test fixture folder in the prior art is overcome
Holding property is unreliable, and the axis of tension and sample and Impact direction is not clamped in drawing process not on the same line not in fixture
Foot.
The technical solution adopted by the utility model to solve its technical problems is that：
A kind of tensile test fixture, including clamping component and connecting elements, the clamping component include bottom center position
U-shaped set, level equipped with through-hole and be symmetrically disposed on two sets arms of U-shaped set screw rod, for connecting U-shaped set set arm and symmetrically consolidating
Through-hole due to the fixed plate of U-shaped set both sides, and across U-shaped set U-shaped bottom face stretches into the hollow posts inside U-shaped set, the connection
The steel column that component is welded together by three beginnings is constituted, and three after welding piece steel column is generally aligned in the same plane, wherein two steel columns
End be individually fixed in the both ends in U-shaped set U-shaped bottom face, form isosceles triangular structure with U-shaped set bottom surface, third root steel column is last
End penetrates hollow posts and stretches into inside U-shaped set, and isosceles triangular structure can ensure the axis of sample and stress side in drawing process
To on the same line, making sample uniform force.
Further, one end that the screw rod stretches into inside U-shaped set is equipped with clamping plate for sample to be clamped, on clamping plate uniformly
It is distributed with for enhancing clamping plate clamping action and being not easy the semi-cylindrical hill damaged to sample, it is real by screw rod horizontal movement
Now to the adjustment of splint position.
Further, the screw rod is located at one end outside U-shaped set equipped with nut, and splint position passes through nut after adjusting
The position of locking screw, and then enhance the stability of clamping plate clamping process.
Further, the fixed plate both ends are removably fixed in by screw on two sets of arms of U-shaped set, fixed plate centre bit
It sets and is vertically arranged with dowel hole, by being inserted into positioning pin in the dowel hole of fixed plate, further enhance fixture clamping
Stability.
Further, internal thread is equipped in the through-hole.
Further, the hollow column outer wall is equipped with external screw thread corresponding with through-hole internal thread, and hollow column wall is equipped with interior
Screw thread.
Further, the end penetrates the third root steel column outer wall that hollow posts stretch into inside U-shaped set and is equipped with and hollow posts
The corresponding external screw thread of internal thread of inner wall allows hollow posts to be axially moved between through-hole and third root steel column.
Further, the hollow posts stretch into the side inside U-shaped set and are equipped with supporting splint, further by supporting splint
Enhance the stability of fixture clamping.
Further, the hollow posts are located at the side outer wall outside U-shaped set equipped with pin, by rotating in pin realization
Axial movement of the void column between through-hole and third root steel column.
Further, the welding ends for the steel column that three root bead is connected together is equipped with connecting hole, makes stretching by connecting hole
In test fixture connection and cupping machine.
The utility model has the beneficial effects that：Compared with prior art, a kind of tensile test fixture knot of the utility model
Rationally, simply, easily operated use is suitable for various types of proximate matters to structure；Fixture clamping is reliable, is not pressed from both sides during experiment
Plate sliding, loose phenomenon do not occur that tension damage sample phenomenon is clamped；It can ensure the axis and stress of sample in drawing process
Direction on the same line, makes sample uniform force.
Description of the drawings
Fig. 1 is the utility model structural representation enlarged drawing；
Fig. 2 is the utility model using process diagram；
Wherein, 1U jackets, 2 screw rods, 3 clamping plates, 4 semi-cylindrical hills, 5 steel columns, 6 hollow posts, 7 supporting splints, 8 pins, 9 connect
Connect hole, 10 through-holes, 11 fixed plates, 12 dowel holes, 13 nuts, 14 samples.
Specific implementation mode
It is new below in conjunction with this practicality to keep the purpose, technical scheme and advantage of the utility model embodiment clearer
Attached drawing in type embodiment, the technical scheme in the utility model embodiment is clearly and completely described.
In embodiment as shown in Figs. 1-2, a kind of tensile test fixture, including clamping component and connecting elements, the clamping
Component include bottom center position be equipped with through-hole 10 U-shaped set 1, it is horizontal and be symmetrically disposed on 1 liang of set arm of U-shaped set screw rod 2,
Fixed plate 11 for connecting 1 set of arm of U-shaped set and being symmetrically fixed on 1 both sides of U-shaped set, and the through-hole across U-shaped set 1U types bottom surface
10 stretch into the hollow posts 6 inside U-shaped set 1；The steel column 5 that the connecting elements is welded together by three beginnings is constituted, after welding
Three steel columns 5 be generally aligned in the same plane, wherein the end of two steel columns 5 is individually fixed in the both ends of U-shaped set 1U types bottom surface, with U
1 bottom surface of jacket forms isosceles triangular structure, and 5 end of third root steel column penetrates hollow posts 6 and stretches into inside U-shaped set 1；Screw rod 2 is stretched
Enter one end inside U-shaped set 1 and be equipped with clamping plate 3, semi-cylindrical hill 4 is evenly distributed on clamping plate 3, screw rod 2 is located at outside U-shaped set 1
One end be equipped with nut 13,11 both ends of fixed plate by screw be removably fixed in it is U-shaped set 1 liang set arm on, 11 center of fixed plate
Position is vertically arranged with dowel hole 12；Internal thread is equipped in the through-hole 10,6 outer wall of hollow posts is equipped with and 10 internal thread of through-hole
Corresponding external screw thread, 6 inner wall of hollow posts are equipped with internal thread, and end penetrates hollow posts 6 and stretches into the U-shaped third root steel column 5 covered inside 1
Outer wall is equipped with external screw thread corresponding with the internal thread of 6 inner wall of hollow posts, and the side that hollow posts 6 stretch into inside U-shaped set 1 is equipped with support
Clamping plate 7, the side outer wall that hollow posts 6 are located at outside U-shaped set 1 are equipped with pin 8；The weldering for the steel column 5 that three root bead is connected together
It connects end and is equipped with connecting hole 9.
Operation principle：The both ends of sample 14 are put into U-shaped set 1 when use by a kind of tensile test fixture of the utility model
Two clamping plates 3 between, positioning pin is inserted into the dowel hole 12 that 11 center of fixed plate is vertically arranged, to 14, sample
Primary Location is set, the position of clamping plate 3 is adjusted by screw rod 2, by 13 locking screw position of nut after 3 location determination of clamping plate, is led to
The position for crossing 8 adjustment supporting splint 7 of rotating dog nail, makes supporting splint 7 be contacted with 14 end face of sample, sample 14 is by clamping plate 3 at this time
On semi-cylindrical hill, be inserted into 11 dowel hole 12 of fixed plate in positioning pin and supporting splint 7 joint fix, start stretch examination
Machine is tested, pulling force effect is at connecting hole 9, and the steel column 5 by forming isosceles triangular structure with 1 bottom surface of U-shaped set is transmitted to folder
Tight component, it is ensured that the axis of sample 14 and Impact direction on the same line, make sample uniform force, Jin Erbao in drawing process
The accuracy of test result is demonstrate,proved.
Above-mentioned specific implementation mode is only the specific case of the utility model, and the scope of patent protection of the utility model includes
But it is not limited to the product form and style of above-mentioned specific implementation mode, it is any to meet the utility model claims book and any institute
Belong to the appropriate changes or modifications that the those of ordinary skill of technical field does it, should all fall into the patent protection of the utility model
Range.
Claims (10)
1. a kind of tensile test fixture, including clamping component and connecting elements, it is characterised in that：The clamping component includes bottom surface
Center is equipped with through-hole（10）U-shaped set（1）, it is horizontal and be symmetrically disposed on U-shaped set（1）Screw rod on two sets of arms（2）, be used for
Connect U-shaped set（1）It covers arm and is symmetrically fixed on U-shaped set（1）The fixed plate of both sides（11）, and pass through U-shaped set（1）U-shaped bottom face
Through-hole（10）Stretch into U-shaped set（1）Internal hollow posts（6）, steel column that the connecting elements is welded together by three beginnings（5）
It constitutes, three steel columns after welding（5）It is generally aligned in the same plane, wherein two steel columns（5）End be individually fixed in U-shaped set（1）U
The both ends of type bottom surface, with U-shaped set（1）Bottom surface forms isosceles triangular structure, third root steel column（5）End penetrates hollow posts（6）
Stretch into U-shaped set（1）It is internal.
2. a kind of tensile test fixture as described in claim 1, it is characterised in that：The screw rod（2）Stretch into U-shaped set（1）It is interior
The one end in portion is equipped with clamping plate（3）, clamping plate（3）On be evenly distributed with semi-cylindrical hill（4）.
3. a kind of tensile test fixture as described in claim 1, it is characterised in that：The screw rod（2）Positioned at U-shaped set（1）Outside
The one end in portion is equipped with nut（13）.
4. a kind of tensile test fixture as described in claim 1, it is characterised in that：The fixed plate（11）Both ends pass through screw
It is removably fixed in U-shaped set（1）On two sets of arms, fixed plate（11）Center is vertically arranged with dowel hole（12）.
5. a kind of tensile test fixture as described in claim 1, it is characterised in that：The through-hole（10）It is interior to be equipped with internal thread.
6. a kind of tensile test fixture as claimed in claim 5, it is characterised in that：The hollow posts（6）Outer wall is equipped with and leads to
Hole（10）The corresponding external screw thread of internal thread, hollow posts（6）Inner wall is equipped with internal thread.
7. a kind of tensile test fixture as claimed in claim 6, it is characterised in that：The end penetrates hollow posts（6）Stretch into U
Jacket（1）Internal third root steel column（5）Outer wall is equipped with and hollow posts（6）The corresponding external screw thread of internal thread of inner wall.
8. a kind of tensile test fixture as described in claim 1, it is characterised in that：The hollow posts（6）Stretch into U-shaped set（1）
Internal side is equipped with supporting splint（7）.
9. a kind of tensile test fixture as described in claim 1, it is characterised in that：The hollow posts（6）Positioned at U-shaped set（1）
External side outer wall is equipped with pin（8）.
10. a kind of tensile test fixture as described in claim 1, it is characterised in that：The steel column that three root bead is connected together
（5）Welding ends be equipped with connecting hole（9）.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820125944.5U CN207742028U (en) | 2018-01-25 | 2018-01-25 | A kind of tensile test fixture |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820125944.5U CN207742028U (en) | 2018-01-25 | 2018-01-25 | A kind of tensile test fixture |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207742028U true CN207742028U (en) | 2018-08-17 |
Family
ID=63123927
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820125944.5U Expired - Fee Related CN207742028U (en) | 2018-01-25 | 2018-01-25 | A kind of tensile test fixture |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207742028U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113514330A (en) * | 2021-06-01 | 2021-10-19 | 北京机电工程研究所 | Tensile test device and method |
-
2018
- 2018-01-25 CN CN201820125944.5U patent/CN207742028U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113514330A (en) * | 2021-06-01 | 2021-10-19 | 北京机电工程研究所 | Tensile test device and method |
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Legal Events
| 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: 20180817 Termination date: 20190125 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |