CN103776705B - Testing device - Google Patents
Testing device Download PDFInfo
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- CN103776705B CN103776705B CN201210440732.3A CN201210440732A CN103776705B CN 103776705 B CN103776705 B CN 103776705B CN 201210440732 A CN201210440732 A CN 201210440732A CN 103776705 B CN103776705 B CN 103776705B
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- testing
- contact site
- testing arrangement
- abutting part
- object under
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- 238000005452 bending Methods 0.000 claims abstract description 14
- 239000000463 material Substances 0.000 claims description 8
- 239000000956 alloy Substances 0.000 claims description 3
- 239000007769 metal material Substances 0.000 claims description 3
- 239000010935 stainless steel Substances 0.000 claims description 3
- 229910001220 stainless steel Inorganic materials 0.000 claims description 3
- 229910010293 ceramic material Inorganic materials 0.000 claims description 2
- 230000007797 corrosion Effects 0.000 claims 1
- 238000005260 corrosion Methods 0.000 claims 1
- 238000003825 pressing Methods 0.000 abstract description 7
- CNQCVBJFEGMYDW-UHFFFAOYSA-N lawrencium atom Chemical compound [Lr] CNQCVBJFEGMYDW-UHFFFAOYSA-N 0.000 description 8
- 238000010276 construction Methods 0.000 description 2
- 230000001788 irregular Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 239000002241 glass-ceramic Substances 0.000 description 1
Landscapes
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The invention relates to a testing device which is used for testing the bending strength of an object to be tested and comprises a supporting device and a load-carrying device, wherein the supporting device is used for supporting the object to be tested, the load-carrying device is used for applying pressure on the object to be tested so as to test the bending strength of the object to be tested, the load-carrying device comprises at least two load-carrying brackets, the load-carrying brackets are arranged on the load-carrying device in parallel at intervals of a first preset distance in a first direction, each load-carrying bracket comprises at least one pressing element, each pressing element comprises a pressing part and a butting part, each pressing part extends and protrudes from the corresponding load-carrying bracket, each butting part is fixedly arranged at the top end, far away from the corresponding load-carrying bracket, of each pressing part, each butting part is provided with a curved surface, and the curved.
Description
Technical field
The present invention relates to a kind of testing arrangement of bending strength of test object, relate in particular to a kind of for testing the testing arrangement of bending strength of fragility material object.
Background technology
At present, for the element of fragility material, for example glass, pottery or glass ceramics, before using, all need its bending strength to test. for the object under test of general closed planar, all adopt the press element of strip always to press object under test, but, when object under test is that curved surface or edge are while having not at conplane extension, the press element of vertical bar shape only can contact this object under test in its end points place, the press element that is to say vertical bar shape only can contact measured object two points, and contact measured object intactly, while pressing, cannot evenly bring pressure to bear on object under test, simultaneously, at contact point place, the contact point of vertical bar shape press element and object under test damages object under test because pressure is excessive, cannot obtain test result accurately.
Summary of the invention
Cannot accurately test the technical problem of the bending strength of object under test for testing arrangement in solution prior art, provide a kind of and can test exactly the testing arrangement of the bending strength of object under test.
A kind of testing arrangement, for the bending strength of testing object under test, this testing arrangement comprises bracing or strutting arrangement and load carrying device, bracing or strutting arrangement is used for supporting this object under test, this load carrying device is used for bringing pressure to bear on this object under test, to test the bending strength of this object under test, this load carrying device comprises at least two loading brackets, this loading bracket in a first direction interval the first preset distance is set in parallel on load carrying device, on each loading bracket, comprise at least one press element, this press element comprises press section and abutting part, this press section is extended outstanding from this loading bracket, this abutting part is fixedly arranged on the top of this press section away from this loading bracket, and this abutting part has a curved surface, this curved surface of this abutting part is for butt and bring pressure to bear on this object under test.
Compared to prior art, testing arrangement utilization has the load carrying device of curved surface and presses the object under test that comprises curved surface, thereby load carrying device is brought pressure to bear on object under test equably, tests more exactly the bending strength of object under test.
Brief description of the drawings
Fig. 1 is the overall structure schematic diagram of a preferred embodiments of testing arrangement of the present invention.
Main element symbol description
| Testing arrangement | 10 |
| Load carrying device | 100 |
| Load carrying platform | 101 |
| The first plane | 101a |
| The second plane | 101b |
| Loading bracket | 102 |
| Press element | 103 |
| Press section | 103a |
| Abutting part | 103b |
| Bracing or strutting arrangement | 200 |
| The 3rd plane | 201a |
| Siping City's face | 201b |
| Bracing frame | 202 |
| Support component | 203 |
| Support portion | 203a |
| Contact site | 203b |
| Object under test | 20 |
| The 5th plane | 20a |
| The 6th plane | 20b |
| Extension | 20c |
Following detailed description of the invention further illustrates the present invention in connection with above-mentioned accompanying drawing.
Detailed description of the invention
Refer to Fig. 1, it is the structural representation of testing arrangement one preferred embodiments of the present invention. Testing arrangement 10 comprises load carrying device 100 and bracing or strutting arrangement 200. Bracing or strutting arrangement 200 is for supporting object under test 20, and load carrying device 100 is for bringing pressure to bear on this object under test 20, to test the bending strength of this object under test 20. Bending strength described in present embodiment refers to the maximum stress that can bear when object under test breaks or reaches regulation amount of deflection under bend loading pressure, can use N/M2(handkerchief/square metre) represent.
Load carrying device 100 comprises load carrying platform 101, two loading brackets 102 and multiple press elements 103. Load carrying platform 101 is for fixing this loading bracket 102 and multiple press element 103, and load carrying platform 101 is roughly a slab construction, and load carrying platform 101 comprises the first relative plane 101a and the second plane 101b.
Two loading brackets 102 interval first preset distance on first direction (X-axis both forward and reverse directions) is set in parallel on the first plane 101a of load carrying platform 101, and loading bracket 102 is the rectangular structure of type linearly.
Each loading bracket 102 is provided with two press elements 103 at the upper interval of second direction (Y-axis both forward and reverse directions) the second preset distance, this press element 103 extends outstanding on loading bracket 102 along third direction (Z axis in the other direction), first direction, second direction and third direction are mutually vertical.
This press element 103 includes press section 103a and the hemispheric abutting part 103b of quadrangular shape, this abutting part 103b is fixedly arranged on the top away from loading bracket 102 of this press section 103a, the curved surface of abutting part 103b, as bearing surface, is pressed this object under test 20 for butt. In present embodiment, abutting part 103b is positioned at the projection of press section 103a at loading bracket 102 in the projection of loading bracket 102, this abutting part 103b is the Surface of Sphere protruding along third direction, spherical radius is 1-20 millimeter, the material of this press element 103 is hard metal material, for example stainless steel or alloy material. In other embodiments, this abutting part 103b be along with third direction protrude oval hemisphere face or irregular curved surface, this press section 103a is positioned at the projection of this contact site 203b at bracing frame 202 in the projection of loading bracket 102.
Bracing or strutting arrangement 200 comprises base for supporting 201, two bracing frames 202 and multiple support components 203, base for supporting 201 is for fixing support rack 202 and support component 203, this base for supporting 201 is roughly a slab construction, and base for supporting 201 comprises relative the 3rd plane 201a and the face 201b of Siping City.
Two bracing frames 202 in a first direction interval the 3rd preset distance to be arranged in parallel to each other the face 201b of Siping City of base for supporting 201 upper, bracing frame 202 is type strip structure linearly. Wherein, the 3rd preset distance is greater than the first preset distance.
Each bracing frame 202 interval the 4th preset distance in second direction is provided with two support components 203, and this support component 203 is outstanding along extending on the direction self-supporting frame 202 contrary with third direction (Z axis positive direction).
Support component 203 comprises support portion 203a and the hemispheric contact site 203b of quadrangular shape, and this contact site 203b is fixedly arranged on the top of this support portion 203a away from bracing frame 202, and the curved surface of contact site 203b is as contact-making surface, for this object under test 20 of butt. In present embodiment, this contact site 203b is positioned at the projection of support portion 203a at bracing frame 202 in the projection of bracing frame 202, and the spherical radius of this contact site 203b is 1-20 millimeter. The material of this contact site 203b is hard metal material, for example stainless steel or alloy material. In other embodiments, this contact site 203b is that this support portion 203a is positioned at the projection of this contact site 203b at bracing frame 202 in the projection of bracing frame 202 along the oval hemisphere face or the irregular curved surface that protrude in the opposite direction with third party.
In present embodiment, loading bracket 102 with the setting party of bracing frame 202 to parallel. Preferably, the ratio of the first preset distance and the 3rd preset distance is between 1-1/4.
Object under test 20 comprises the 5th relative plane 20a, the 6th plane 20b and extension 20c, the 5th plane 20a is parallel and relative with the 6th plane 20b, extension 20c is for extending and form along predetermined angular from the 5th plane 20a and the 6th plane 20b edge, and this predetermined angular is between 0-180 °.
When test, object under test 20 is lain against on support component 203 to the 5th plane 20a of object under test 20 and the contact site 203b butt of support component 203. The 6th plane 20b of the abutting part 103b butt object under test 20 of the press element 103 in load carrying device 100, and make the 6th plane 20b butt of abutting part 103b and object under test 20. Meanwhile, load carrying platform 101 is parallel to each other with support platform 201. The second plane 101b on load carrying platform 101 exerts pressure, until object under test 20 bends and breaks or reach predetermined amount of deflection. Wherein, applied pressure can adopt device for measuring force to measure, and then obtains the bending strength of object under test 20.
Alternately, this press section 103a and this support portion 203a also can be cylindrical or multi-edge column-shaped, and this contact site 203b and abutting part 103b can also be ellipsoid. This press element 103 and this support component 203 and material also can be ceramic material.
In addition, the quantity of loading bracket 102 also can be 3 or multiple, not as limit.
Compared to prior art, this testing arrangement 10 includes multiple loading brackets 102, thereby it is more even to make to put on pressure on loading bracket 102 and object under test 20 by press element 103, and test result is more accurate, and can prevent from damaging loading bracket 102.
In other alternate embodiments of the present invention, testing arrangement 10 also includes controls display system (not shown), obtain the pressure putting on load carrying device 100 by device for measuring force (not shown), and this pressure is shown, detect the state of object under test 20 simultaneously, for example degree of crook or whether break, determines whether and continues to bring pressure to bear on load carrying device 100.
Claims (15)
1. a testing arrangement, for testing the bending strength of object under test, is characterized in that,This testing arrangement comprises bracing or strutting arrangement and load carrying device, and bracing or strutting arrangement is used for supporting this determinandBody, this load carrying device is used for bringing pressure to bear on this object under test, to test this object under testBending strength, this load carrying device comprises load carrying platform and at least two loading brackets, this yearHeavy support in a first direction interval the first preset distance is set in parallel on load carrying platform, everyOn individual loading bracket, comprise at least one press element, each press element comprise press section withAbutting part, each press section is extended outstanding from this loading bracket, and each abutting part is fixedly arranged on thisPress section is away from the top of this loading bracket, and each abutting part has a curved surface, this buttThis curved surface of portion is for butt and bring pressure to bear on this object under test.
2. testing arrangement according to claim 1, is characterized in that, this loading bracketThe quantity of upper press element is two, and these two press elements are along interval in second direction secondPreset distance.
3. testing arrangement according to claim 1, is characterized in that, this abutting part existsProjection on this loading bracket is positioned at the projection of this press section on this loading bracket.
4. testing arrangement according to claim 1, is characterized in that, this press section existsProjection on this loading bracket is positioned at the projection of this abutting part on this loading bracket.
5. testing arrangement according to claim 1, is characterized in that, this bracing or strutting arrangementComprise support platform, at least two bracing frames and multiple support component, this bracing frame is firstIn direction, interval the 3rd preset distance is arranged in support platform, on each bracing frame along secondDirection interval the 4th preset distance arranges this support component, and this second direction is perpendicular to first partyComprise support portion and have the contact site with curved surface to, this support component, this support portion was from shouldBracing frame extends outstanding, and this contact site is fixedly arranged on the top of support portion away from this bracing frame, shouldContact site is for butt and carry this object under test.
6. testing arrangement according to claim 5, is characterized in that, this contact site existsProjection on this bracing frame is positioned at the projection of this support portion on this bracing frame.
7. testing arrangement according to claim 5, is characterized in that, this support portion existsProjection on this bracing frame is positioned at the projection of this contact site on this bracing frame.
8. testing arrangement according to claim 5, is characterized in that, this abutting part withThe subsequent corrosion of this contact site is 1-20 millimeter.
9. testing arrangement according to claim 5, is characterized in that, this abutting part withThis contact site is ellipsoid or Surface of Sphere.
10. testing arrangement according to claim 5, is characterized in that, this press section withThis support portion is cylindrical or multi-edge column-shaped.
11. testing arrangements according to claim 5, is characterized in that, this abutting part withThe material of this contact site is hard metal material.
12. testing arrangements according to claim 11, is characterized in that, this abutting partWith the material of this contact site be stainless steel or alloy material.
13. testing arrangements according to claim 5, is characterized in that, this abutting part withThe material of this contact site is ceramic material.
14. testing arrangements according to claim 5, is characterized in that, this is first predeterminedDistance is less than the 3rd preset distance.
15. testing arrangements according to claim 5, is characterized in that, this is first predeterminedDistance is 1-1/4 with the ratio of the 3rd preset distance.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| TW101138526 | 2012-10-18 | ||
| TW101138526A TW201416670A (en) | 2012-10-18 | 2012-10-18 | Testing device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103776705A CN103776705A (en) | 2014-05-07 |
| CN103776705B true CN103776705B (en) | 2016-05-11 |
Family
ID=50569211
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210440732.3A Active CN103776705B (en) | 2012-10-18 | 2012-11-07 | Testing device |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN103776705B (en) |
| TW (1) | TW201416670A (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106706445A (en) * | 2016-12-09 | 2017-05-24 | 安徽省建筑工程质量监督检测站 | Experiment table for testing bending strength of stone and method for testing bending strength of stone |
| CN107402461B (en) * | 2017-09-08 | 2020-07-31 | 深圳市华星光电技术有限公司 | Curved surface strength testing device of liquid crystal display panel |
| CN109253923B (en) * | 2018-10-10 | 2021-09-28 | 彩虹（合肥）液晶玻璃有限公司 | End face strength detection device and method |
| CN111007080B (en) * | 2019-12-25 | 2022-07-12 | 成都先进功率半导体股份有限公司 | Wafer crack inspection device |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2236132Y (en) * | 1995-03-10 | 1996-09-25 | 黄宗玉 | Metal bending test machine |
| CN2890888Y (en) * | 2006-03-29 | 2007-04-18 | 郑祖元 | Bending and pressure resistance testing machine for machine |
| CN101025388A (en) * | 2006-02-17 | 2007-08-29 | 鸿富锦精密工业（深圳）有限公司 | Anti bending-pressing detecting device |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004317394A (en) * | 2003-04-18 | 2004-11-11 | Mitsubishi Electric Corp | Testing arrangement and testing process of implemental assembly |
| JP4653685B2 (en) * | 2006-03-30 | 2011-03-16 | 株式会社豊田中央研究所 | Semiconductor device evaluation apparatus and evaluation method |
-
2012
- 2012-10-18 TW TW101138526A patent/TW201416670A/en unknown
- 2012-11-07 CN CN201210440732.3A patent/CN103776705B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2236132Y (en) * | 1995-03-10 | 1996-09-25 | 黄宗玉 | Metal bending test machine |
| CN101025388A (en) * | 2006-02-17 | 2007-08-29 | 鸿富锦精密工业（深圳）有限公司 | Anti bending-pressing detecting device |
| CN2890888Y (en) * | 2006-03-29 | 2007-04-18 | 郑祖元 | Bending and pressure resistance testing machine for machine |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103776705A (en) | 2014-05-07 |
| TW201416670A (en) | 2014-05-01 |
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