CN217688250U - Plate plane bending fatigue test fixture - Google Patents
Plate plane bending fatigue test fixture Download PDFInfo
- Publication number
- CN217688250U CN217688250U CN202221743002.6U CN202221743002U CN217688250U CN 217688250 U CN217688250 U CN 217688250U CN 202221743002 U CN202221743002 U CN 202221743002U CN 217688250 U CN217688250 U CN 217688250U
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- Prior art keywords
- sample
- base
- fatigue test
- plane bending
- bending fatigue
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- Expired - Fee Related
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- 238000009661 fatigue test Methods 0.000 title claims abstract description 46
- 238000005452 bending Methods 0.000 title claims abstract description 27
- 238000003825 pressing Methods 0.000 claims description 16
- 238000012360 testing method Methods 0.000 abstract description 19
- 230000003068 static effect Effects 0.000 abstract 1
- 239000000463 material Substances 0.000 description 5
- 239000002184 metal Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000013001 point bending Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 239000002648 laminated material Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000004088 simulation Methods 0.000 description 1
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- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The utility model discloses a panel plane bending fatigue test anchor clamps, this anchor clamps include 2 bases, 2 briquetting and a plurality of fastening bolt, and 2 base equipment exposed core are fixed with the upper and lower chuck of fatigue testing machine respectively, and the base stiff end is provided with the screw hole, is provided with the counter bore on the briquetting, and the sample both ends are fixed through base sample stiff end, briquetting and the horizontal level of fastening bolt respectively. During the test, one end of the sample is static along with the upper chuck of the testing machine, and the other end of the sample vertically reciprocates along with the lower chuck of the testing machine, so that the plane bending fatigue test of the plate is realized.
Description
The technical field is as follows:
the utility model belongs to fatigue testing machine auxiliary device especially relates to a panel plane bending fatigue test anchor clamps.
Background art:
the material fatigue test is a test which utilizes a metal sample or a simulation machine part to test the fatigue performance criterion under the alternating load circulation action in various environments, and researches the fracture process and evaluates the fatigue strength and the fatigue life of the material, the part or the whole machine.
The metal fatigue tests are of various types and can be divided into a tensile-compressive fatigue test, a bending fatigue test, a torsional fatigue test and a composite stress fatigue test according to the loading mode of a sample. The bending fatigue test can be classified into a rotary bending fatigue test, a circular bending fatigue test and a plane bending fatigue test. The plane bending test of the plate generally adopts three-point bending or four-point bending. And for some novel materials, such as laminated materials for connecting new energy power batteries, certain dynamic load film-coated materials and the like, the plane bending fatigue life of the novel materials needs to be inspected by adopting a special bending mode, namely, one end of a sample is fixed along with an upper chuck of a testing machine during testing, and the other end of the sample vertically reciprocates along with a lower chuck of the testing machine, so that the plane bending fatigue test of the plate is carried out.
The conventional chuck of the existing fatigue testing machine cannot meet the test requirements, and a special clamp needs to be designed.
The utility model has the following contents:
in view of the above problems, an object of the utility model is to provide a panel plane bending fatigue test anchor clamps that use on fatigue testing machine, the novel anchor clamps of manufacturing and designing are connected with the fatigue testing machine chuck, can realize on panel one end and the fatigue testing machine chuck rigid, and the other end is chuck vertical reciprocating motion under the testing machine, carries out panel plane bending fatigue test, and convenient and fast just has better practical value.
In order to solve the technical problem, the utility model adopts the following technical scheme:
a plate plane bending fatigue test fixture comprises 2 bases, 2 pressing blocks and a plurality of fastening bolts; the base is provided with an equipment clamping end, a sample fixing end and a limiting table. The two ends of the sample are fixed by a base sample fixing end, a pressing block and a fastening bolt.
2 base equipment clamping end respectively with the fatigue testing machine about the chuck fixed, the clamping end is concentric coaxial with the fatigue testing machine about the chuck.
The sample fixed end is provided with a plurality of threaded holes, the pressing block is provided with a plurality of counter bores, and the two ends of the sample are horizontally fixed through the base sample fixed end, the pressing block and the fastening bolt.
The length of the limiting table (1-4) of the base (1) is equal to half of the sum of the vibration length of the sample (4) and the width of the clamping end (1-1) of the device.
During the test, one end of the sample is fixed along with the upper chuck of the testing machine, and the other end of the sample vertically reciprocates along with the lower chuck of the testing machine, so that the plane bending fatigue test of the plate is carried out.
Through the utility model discloses following beneficial effect has at least:
the device of the utility model is simple in structure, the operation of being convenient for, low cost, and through being connected with fatigue test machine anchor clamps, can realize that the chuck is fixed motionless on panel one end and the fatigue test machine, the other end carries out panel plane bending fatigue test along with chuck vertical reciprocating motion under the testing machine.
Drawings
FIG. 1 is a schematic structural view of a planar bending fatigue test fixture for a plate;
the device comprises a base 1, a base 1-1, an equipment clamping end 1-2, a sample fixing end 1-3 threaded holes 1-4, a limiting table 2-a pressing block 2-1, counter bores 3, bolts 4 and a sample.
Detailed Description
The present invention is further described with reference to the following examples, which should not be construed as limiting the invention.
As can be seen from FIG. 1, the plate plane bending fatigue test fixture comprises 2 bases (1), 2 pressing blocks (2) and 4 fastening bolts (3). The base (1) is provided with an equipment clamping end (1-1), a sample fixing end (1-2) and a limiting table (1-4). 2 base equipment clamping ends (1-1) are respectively fixed with the upper and lower chucks of the fatigue testing machine, and the equipment clamping ends (1-1) are concentric and coaxial with the upper and lower chucks of the fatigue testing machine.
The sample fixing end (1-2) is provided with 2 threaded holes (1-3), the pressing block (2) is correspondingly provided with 2 counter bores (2-1), and two ends of the sample (4) are horizontally fixed through the base sample fixing end (1-2), the pressing block (2) and the fastening bolt (3).
The length of the limiting table (1-4) of the base (1) is equal to half of the sum of the vibration length of the sample (4) and the width of the clamping end (1-1) of the device.
One end of a sample (4) is placed between the base sample fixed end (1-2) and the pressing block (2), the base sample fixed end (1-2) and the fastening bolt (3) of the pressing block (2) are connected in a locking mode through an inner hexagonal wrench, and the sample (4) is perpendicular to the base sample fixed end (1-2) and the pressing block (2).
Fixing a clamping end (1-1) of the base equipment with a sample installed with an upper chuck of a fatigue testing machine, fixing another clamping end (1-1) of the base equipment with a lower chuck of the fatigue testing machine, adjusting the fatigue testing machine to enable the unfixed end of the sample (4) to be attached to the fixed end (1-2) of the lower base sample, adding a pressing block (2), and locking and connecting a fastening bolt (3) of the fixed end (1-2) of the base sample and the pressing block (2) through an inner hexagonal wrench.
During the test, one end of the sample is fixed along with the upper chuck of the testing machine, and the other end of the sample vertically reciprocates along with the lower chuck of the testing machine according to the test requirements, so that the plane bending fatigue test of the plate is realized.
Through above-mentioned novel anchor clamps, realize panel plane bending fatigue test.
While the present invention has been described in detail with reference to the embodiments illustrated in the drawings, those skilled in the art can make various changes and modifications according to the present invention, and it is intended that all such changes and modifications fall within the scope of the appended claims.
Claims (4)
1. The utility model provides a panel plane bending fatigue test anchor clamps which characterized in that: contain 2 base (1), 2 briquetting (2), a plurality of fastening bolt (3), base (1) is provided with equipment exposed core (1-1), sample stiff end (1-2) and spacing platform (1-4), and base sample stiff end (1-2), briquetting (2) and fastening bolt (3) are fixed through at sample (4) both ends.
2. The plate plane bending fatigue test fixture of claim 1, wherein: the 2 base equipment clamping ends (1-1) are respectively fixed with the upper and lower chucks of the fatigue testing machine, and the equipment clamping ends (1-1) are concentric and coaxial with the upper and lower chucks of the fatigue testing machine.
3. The plate plane bending fatigue test fixture of claim 1, wherein: the sample fixing end (1-2) is provided with a plurality of threaded holes (1-3), the pressing block (2) is provided with a plurality of counter bores (2-1), the base sample fixing end (1-2) is fixed with the pressing block (2) through the fastening bolt (3), and the sample (4) is pressed and fixed with the pressing block (2) through the base sample fixing end (1-2).
4. The plate plane bending fatigue test fixture of claim 1, wherein: the length of the limiting table (1-4) of the base (1) is equal to half of the sum of the vibration length of the sample (4) and the width of the clamping end (1-1) of the device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221743002.6U CN217688250U (en) | 2022-07-06 | 2022-07-06 | Plate plane bending fatigue test fixture |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221743002.6U CN217688250U (en) | 2022-07-06 | 2022-07-06 | Plate plane bending fatigue test fixture |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217688250U true CN217688250U (en) | 2022-10-28 |
Family
ID=83715608
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221743002.6U Expired - Fee Related CN217688250U (en) | 2022-07-06 | 2022-07-06 | Plate plane bending fatigue test fixture |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217688250U (en) |
-
2022
- 2022-07-06 CN CN202221743002.6U patent/CN217688250U/en not_active Expired - Fee Related
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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: 20221028 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |