CN201222026Y - Elongation test clamper for universal tester pipe - Google Patents
Elongation test clamper for universal tester pipe Download PDFInfo
- Publication number
- CN201222026Y CN201222026Y CNU2008200379215U CN200820037921U CN201222026Y CN 201222026 Y CN201222026 Y CN 201222026Y CN U2008200379215 U CNU2008200379215 U CN U2008200379215U CN 200820037921 U CN200820037921 U CN 200820037921U CN 201222026 Y CN201222026 Y CN 201222026Y
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- testing machine
- universal testing
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- 238000012360 testing method Methods 0.000 title claims abstract description 87
- 238000000034 method Methods 0.000 abstract description 6
- 238000009434 installation Methods 0.000 abstract description 3
- 239000000463 material Substances 0.000 description 3
- 230000006378 damage Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 238000009864 tensile test Methods 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
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Abstract
The utility model discloses a tube stretching test clamp of a universal tester. One of two clamping blocks and two tangent surfaces of external cylindrical surface of an arc test sample (7) together form a V-shaped groove surface, the surface of the other clamping block (2) which is tangent with the internal cylindrical surface of the arc test sample (7) is an outwards-protruded semi-cylindrical surface, a jaw is further equipped with carrier rods which are respectively in lapped joint with the two clamping blocks (1, 2). By utilizing the technical scheme, the utility model can realize exchange of stretching test and arc test sample stretching test without any other auxiliary device. The tube stretching test clamp has the advantages of wide retaining range, strong universality and convenient installation without limitation of sizes of tube diameter or thickness of tube wall and without flattening process for the clamping ends of the arc test sample, and further increasing accuracy of test.
Description
Technical field
The utility model relates to the technical field of mechanics experimental equipment, particularly relates to a kind of universal testing machine drawing pipe test fixture.
Background technology
In GB/T228-2002 " metal material tensile test at room temperature method " and GB/T17104-1997 " metal tube pipe ring stretching test method ", the tube material tension test all there is clear and definite regulation.Two kinds of samples are wherein arranged among the GB/T228-2002, and a kind of is vertical arc sample, and a kind of is the pipeline section sample.
Universal testing machine is the upper and lower jaw that utilizes on the testing machine to be joined when doing tension test, drives two fixture blocks in the jaw, and test specimen is clamped, and carries out tension test.All there is the termination of a diameter greater than shaft at the two ends of test specimen, to make things convenient for the clamping of fixture block.
The pipeline section sample all has requirement to the tonnage of testing machine and the size of opening anchor clamps, lacks versatility.And present each the testing machine producer of arc sample does not have anchor clamps targetedly, and just two ends flatten back plane fixture block clamping, but there is certain influence the pressing back to pipe performance, can't the accurate response material mechanical performance.
The utility model content
Problem to be solved in the utility model provides a kind of universal testing machine drawing pipe test fixture, its objective is at the inconvenience of tubing arc sample clamping, the inaccurate problem of test figure, the semi-cylindrical fixture block that is changed into V font groove face fixture block and evagination by original plane fixture block is used in combination, and a kind of accurate, efficient, general arc sample stretching universal fixturing is provided.
To achieve these goals, the technical scheme taked of the utility model is:
This universal testing machine drawing pipe test fixture provided by the present invention, comprise and be installed in two fixture blocks in the universal testing machine jaw and clamp arc sample, in the described fixture block one, the face that contacts with arc sample is two faces tangent with the external cylindrical surface of arc sample, and constitutes V font groove face; The face that another fixture block contacts with arc sample is the semi-cylindrical that the inboard periphery of arc sample is tangent, be shaped as evagination.
Also be provided with push rod on the described jaw, and push rod overlaps with two fixture blocks respectively.
Described two fixture blocks respectively with jaw in the inclined-plane fit, the angle of the inclination in the angle of its inclination and the jaw is identical.
Described jaw is the upper jaw of universal testing machine.
Described jaw is the lower jaw of universal testing machine.
Described jaw is the upper jaw and the lower jaw of universal testing machine.
The utility model adopts technique scheme, the semi-cylindrical fixture block of V font groove face fixture block, evagination is directly cooperated with bit, stressed with the clamping of the arc sample outside and inboard " three bar line ", carry out tension test, thereby obtain arc sample pulling strengrth and correlation parameter accurately.And need not other servicing units, just can realize the exchange of tension test and arc sample tension test.Have simple in structure, easy to use, accurately efficient, characteristics such as highly versatile.
Description of drawings
Below expressed content of each width of cloth accompanying drawing of this instructions and the mark among the figure are made brief description:
Fig. 1 is a universal testing machine drawing pipe test fixture structural representation;
Fig. 2 is the end view of arc convex fixture block;
Fig. 3 is the end view of v-depression fixture block.
Be labeled as among the figure:
1, fixture block, 2, fixture block, 3, fixture block, 4, fixture block, 5, upper jaw, 6, lower jaw, 7, arc sample, 8, upper ejector pin, 9, lower push rod.
Embodiment
As Fig. 1, Fig. 2, the expressed structure of the present utility model of Fig. 3, be a kind of universal testing machine drawing pipe test fixture, comprise the fixture block 1, the fixture block 2 that are installed in the universal testing machine upper jaw 5; Also comprise the fixture block 3, the fixture block 4 that are installed in the universal testing machine lower jaw 6; Fixture block is used to clamp test specimen, and test specimen is carried out tension test.
The utility model is in order to realize tubing arc sample convenient mounting and clamping, reliable clamping, and test data is purpose accurately, and the embodiment of taking is:
This universal testing machine drawing pipe test fixture provided by the present invention comprises the upper and lower jaw that is installed in universal testing machine, and two fixture blocks of each installation in upper and lower jaw, and two fixture blocks are clamped arc sample 7.
For implementing the utility model better, following exemplifying embodiment also is provided and contrasts accompanying drawing, to help those skilled in the art's understanding.
Embodiment one:
Because test specimen is arc sample 7, so as shown in Figure 3, in the described fixture block one, two faces tangent with the face of cylinder, arc sample 7 outside constitute V font groove faces; In Fig. 1, be respectively fixture block 1 in the upper jaw 5 and the fixture block 3 in the lower jaw 6.
With above structure be as shown in Figure 2 accordingly, the tangent face of another fixture block and arc sample 7 inboard peripheries is the semi-cylindrical of evagination.In Fig. 1, be respectively fixture block 2 in the upper jaw 5 and the fixture block 4 in the lower jaw 6.
Fixture block among Fig. 2 is shown as fixture block 2 among the figure, be applied to upper jaw shown among Fig. 15, and in fact the structure of the fixture block 4 in the lower jaw 6 is identical therewith; Fixture block among Fig. 3 is shown as fixture block 1 among the figure, be applied to upper jaw shown among Fig. 15, and in fact the structure of the fixture block 3 in the lower jaw 6 is identical therewith.
The semi-cylindrical that utilizes V font groove face on the fixture block and evagination carries out tension test with the clamping of arc test specimen to test specimen.Under the effect of two clamping surfaces, arc sample 7 coincide better with cooperating of clamping surface, and surface of contact is big, so clamp very reliably, clamping is also very convenient, and the distortion of test specimen is very little, destruction to test specimen is very little, and test findings can reflect the mechanical properties such as tensile strength of material truly.
Embodiment two:
As shown in Figure 1, also be provided with push rod on the described jaw, and push rod overlaps with two fixture blocks respectively.Be respectively upper ejector pin 8 and lower push rod 9 among Fig. 1.Upper ejector pin 8 is arranged on the upper jaw 5, cooperates with fixture block 1, fixture block 2; Lower push rod 6 is arranged on the lower jaw 6, cooperates with fixture block 3, fixture block four.
It is when stretching as yet that the push rod effect is set, and utilizes push rod to apply roof pressure power to fixture block, under the acting in conjunction on this pressure and inclined-plane, test specimen is clamped in advance, makes that in the process of tension test, test specimen can not skid.
Embodiment three:
As shown in Figure 1, two fixture blocks 1 in the described upper jaw 5, fixture block 2 match with inclined-plane in the jaw respectively, equally, two fixture blocks 3 in the lower jaw 6, fixture block 4 also match with inclined-plane in the jaw respectively, and the angle of described inclination is identical with the angle of the inboard inclination of upper jaw 5.This inclined-plane can guarantee test specimen in the process that stretches, and test specimen presss from both sides tighter and tighter.
When on universal testing machine, doing the arcuate member tension test, adopt the utility model structure can be following different mode:
Embodiment four:
As the top among Fig. 1, described jaw is the upper jaw 5 of universal testing machine.When test specimen one end adopts during for arcuate structure, promptly lower jaw 6 not necessarily adopts identical therewith structure.
Embodiment five:
As the bottom among Fig. 1, described jaw is the lower jaw 6 of universal testing machine.When test specimen one end adopts during for arcuate structure, promptly upper jaw 5 not necessarily adopts identical therewith structure.
Embodiment six:
As whole shown in Figure 1, described jaw is the upper jaw 5 and the lower jaw 6 of universal testing machine.Be that upper jaw 5 and lower jaw 6 adopt as the structure among Fig. 1, when the two ends of test specimen are arcuate structure, adopt.
Characteristics through existing anchor clamps of comparison and arc sample, proof is on the upper and lower jaw of general universal testing machine, a semi-cylindrical type fixture block that has a V font groove face and an evagination can respectively be installed, by stressed to the clamping of arc sample 7 outsides and inboard " three bar line ", carry out tension test, thereby obtain arc sample pulling strengrth and correlation parameter exactly.
Advantage of the present utility model is: but the clamping range of size is wide, big or small caliber or wall thickness all can use, and versatility is good, easy for installation, apply holding force by mobile push rod, make fixture block clamp arc sample, and need not the bare terminal end of arc sample is flattened processing, improved the accuracy of test.
In conjunction with the accompanying drawings the utility model has been carried out exemplary description above; obviously the utility model specific implementation is not subjected to the restriction of aforesaid way; as long as adopted the improvement of the various unsubstantialities that method of the present utility model design and technical scheme carry out; or design of the present utility model and technical scheme are directly applied to other occasion without improving, all within protection domain of the present utility model.
Claims (6)
1, a kind of universal testing machine drawing pipe test fixture, comprise and be installed in two fixture blocks in the universal testing machine jaw and clamp arc sample (7), it is characterized in that: in the described fixture block one, the face that contacts with arc sample (7) is two faces tangent with the external cylindrical surface of arc sample (7), and constitutes V font groove face; The face that another fixture block contacts with arc sample (7) is the semi-cylindrical that the inboard periphery of arc sample (7) is tangent, be shaped as evagination.
2, according to the described universal testing machine drawing pipe of claim 1 test fixture, it is characterized in that: also be provided with push rod on the described jaw, and push rod overlaps with two fixture blocks respectively.
3, according to claim 1 or 2 described universal testing machine drawing pipe test fixtures, it is characterized in that: described two fixture blocks respectively with jaw in the inclined-plane fit, the angle of the inclination in the angle of its inclination and the jaw is identical.
4, according to claim 1 or 2 described universal testing machine drawing pipe test fixtures, it is characterized in that: described jaw is the upper jaw (5) of universal testing machine.
5, according to claim 1 or 2 described universal testing machine drawing pipe test fixtures, it is characterized in that: described jaw is the lower jaw (6) of universal testing machine.
6, according to claim 1 or 2 described universal testing machine drawing pipe test fixtures, it is characterized in that: described jaw is the upper jaw (5) and the lower jaw (6) of universal testing machine.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200379215U CN201222026Y (en) | 2008-06-06 | 2008-06-06 | Elongation test clamper for universal tester pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200379215U CN201222026Y (en) | 2008-06-06 | 2008-06-06 | Elongation test clamper for universal tester pipe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201222026Y true CN201222026Y (en) | 2009-04-15 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008200379215U Expired - Fee Related CN201222026Y (en) | 2008-06-06 | 2008-06-06 | Elongation test clamper for universal tester pipe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201222026Y (en) |
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101776550B (en) * | 2010-02-04 | 2011-04-27 | 西北工业大学 | Tensile test fixture used for tubular product sample |
| CN102841011A (en) * | 2011-06-20 | 2012-12-26 | 中国科学院理化技术研究所 | Test fixture used for testing tensile mechanical properties of fibre reinforced composites at low temperature |
| CN103528884A (en) * | 2013-09-10 | 2014-01-22 | 中国科学院理化技术研究所 | Test sample clamping device for low-temperature tensile property test |
| CN103926140A (en) * | 2014-04-01 | 2014-07-16 | 奇瑞汽车股份有限公司 | Fixture |
| CN104181037A (en) * | 2014-09-01 | 2014-12-03 | 济南时代试金试验机有限公司 | Screw-thread steel bar clamping device |
| CN105158082A (en) * | 2015-08-31 | 2015-12-16 | 中国船舶重工集团公司第七二五研究所 | Auxiliary device for metal pipe high-temperature tension test and application method of auxiliary device |
| CN105716944A (en) * | 2014-11-30 | 2016-06-29 | 中国科学院金属研究所 | Device and method for bending crossbeam stress corrosion test |
| CN106514515A (en) * | 2016-12-09 | 2017-03-22 | 安徽省建筑工程质量监督检测站 | Self-locking type test fixture |
| CN108871942A (en) * | 2018-08-17 | 2018-11-23 | 武汉国量仪器有限公司 | A kind of filter stretching measuring instrument |
| CN109752236A (en) * | 2017-11-01 | 2019-05-14 | 山西农业大学 | A kind of tension test machine grip holder for test plants stalk mechanical property |
| CN112763310A (en) * | 2020-11-06 | 2021-05-07 | 北京工业大学 | Clamping device for tensile test of tungsten wire rope for single crystal furnace |
-
2008
- 2008-06-06 CN CNU2008200379215U patent/CN201222026Y/en not_active Expired - Fee Related
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101776550B (en) * | 2010-02-04 | 2011-04-27 | 西北工业大学 | Tensile test fixture used for tubular product sample |
| CN102841011A (en) * | 2011-06-20 | 2012-12-26 | 中国科学院理化技术研究所 | Test fixture used for testing tensile mechanical properties of fibre reinforced composites at low temperature |
| CN103528884A (en) * | 2013-09-10 | 2014-01-22 | 中国科学院理化技术研究所 | Test sample clamping device for low-temperature tensile property test |
| CN103926140A (en) * | 2014-04-01 | 2014-07-16 | 奇瑞汽车股份有限公司 | Fixture |
| CN103926140B (en) * | 2014-04-01 | 2016-08-17 | 奇瑞汽车股份有限公司 | A kind of fixture |
| CN104181037A (en) * | 2014-09-01 | 2014-12-03 | 济南时代试金试验机有限公司 | Screw-thread steel bar clamping device |
| CN105716944A (en) * | 2014-11-30 | 2016-06-29 | 中国科学院金属研究所 | Device and method for bending crossbeam stress corrosion test |
| CN105158082A (en) * | 2015-08-31 | 2015-12-16 | 中国船舶重工集团公司第七二五研究所 | Auxiliary device for metal pipe high-temperature tension test and application method of auxiliary device |
| CN106514515A (en) * | 2016-12-09 | 2017-03-22 | 安徽省建筑工程质量监督检测站 | Self-locking type test fixture |
| CN109752236A (en) * | 2017-11-01 | 2019-05-14 | 山西农业大学 | A kind of tension test machine grip holder for test plants stalk mechanical property |
| CN108871942A (en) * | 2018-08-17 | 2018-11-23 | 武汉国量仪器有限公司 | A kind of filter stretching measuring instrument |
| CN112763310A (en) * | 2020-11-06 | 2021-05-07 | 北京工业大学 | Clamping device for tensile test of tungsten wire rope for single crystal furnace |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Wuhu Golden Safety System Co., Ltd. Assignor: Saic Chery Automobile Co., Ltd. Contract fulfillment period: 2009.4.27 to 2014.4.26 Contract record no.: 2009340000272 Denomination of utility model: Elongation test clamper for universal tester pipe Granted publication date: 20090415 License type: Exclusive license Record date: 20090904 |
|
| LIC | Patent licence contract for exploitation submitted for record |
Free format text: EXCLUSIVE LICENSE; TIME LIMIT OF IMPLEMENTING CONTACT: 2009.4.27 TO 2014.4.26; CHANGE OF CONTRACT Name of requester: WUHU JINAN SHITENG AUTOMOTIVE SAFETY SYSTEMS CO., Effective date: 20090904 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20090415 Termination date: 20150606 |
|
| EXPY | Termination of patent right or utility model |