CN216847240U - Device for detecting elongation after fracture for metal material tensile test - Google Patents
Device for detecting elongation after fracture for metal material tensile test Download PDFInfo
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- CN216847240U CN216847240U CN202220086326.0U CN202220086326U CN216847240U CN 216847240 U CN216847240 U CN 216847240U CN 202220086326 U CN202220086326 U CN 202220086326U CN 216847240 U CN216847240 U CN 216847240U
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- fixedly arranged
- elongation
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- 239000007769 metal material Substances 0.000 title claims abstract description 35
- 238000009864 tensile test Methods 0.000 title claims abstract description 22
- 238000001514 detection method Methods 0.000 claims abstract description 5
- 230000002457 bidirectional effect Effects 0.000 claims description 12
- 239000000463 material Substances 0.000 abstract description 17
- 238000000034 method Methods 0.000 abstract description 7
- 238000012360 testing method Methods 0.000 description 8
- 230000000694 effects Effects 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
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Abstract
The utility model discloses a device for detecting elongation after fracture for metal material tensile test, which comprises a base, wherein the top of the base is fixedly provided with a connecting frame, the side wall of the base is fixedly provided with a motor base, the top of the motor base is fixedly provided with a motor, the output end of the motor passes through the connecting frame, the output end of the motor is fixedly provided with a two-way threaded rod, the two-way threaded rod is movably connected with the connecting frame, the outer side wall of the two-way threaded rod is provided with a moving block by screw threads, the initial position is recorded by the arrangement of the two-way threaded rod, the moving block and a scale, so that the two-way threaded rod rotates, the moving block can move to two sides to stretch the metal material, when the metal material is broken, the end position is recorded, the elongation of the material is calculated by distance difference, and the metal material is stretched, the material stress is more uniform in the detection process, and the obtained data result is more accurate.
Description
Technical Field
The utility model relates to an elongation detects technical field, especially relates to a broken back elongation detection device that metal material tensile test used.
Background
Tensile test refers to a test method for measuring material properties under an axial tensile load. The data obtained by the tensile test can be used for determining the elastic limit, the elongation and the elastic modulus of the material, and a series of tests for determining the characteristics of the material under the action of tensile load, also called tensile tests, are one of basic methods for testing the mechanical properties of the material, and are mainly used for testing whether the material meets the specified standards and researching the properties of the material.
In the elongation percentage testing process after breaking that traditional metal material tensile test used, tensile direction is single direction stretch mostly, and the atress degree of consistency that will lead to determining the material like this is not high for tensile result error appears, and traditional fixed mode can't be quick simultaneously takes off the product, has caused certain inconvenience to the testing work, and we propose the elongation percentage testing arrangement after breaking that a metal material tensile test used for this reason, solve above problem.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the defects existing in the prior art and providing a device for detecting the elongation after fracture for a metal material tensile test.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the utility model provides a metal material tensile test uses elongation percentage detection device after breaking, includes the base, the fixed link that is provided with in top of base, the fixed motor cabinet that is provided with on the lateral wall of base, the fixed motor that is provided with in top of motor cabinet, the link is crossed to the output of motor, the fixed two-way threaded rod that is provided with of output of motor, two-way threaded rod with swing joint between the link, the screw thread is provided with the movable block on the lateral wall of two-way threaded rod, the top activity of movable block is provided with the pivot, the fixed plate that is provided with in the pivot, be provided with clamping device on the inside wall of fixed plate, be provided with locking mechanical system on the lateral wall of fixed plate.
Preferably, clamping device is including seting up the shifting chute on the fixed plate inside wall, the activity is provided with the clamp plate on the inside wall of shifting chute, the fixed clamping screw that is provided with in top of clamp plate, clamping screw with threaded connection between the fixed plate, clamping screw's top extends to the top of fixed plate, clamping screw's top is fixed and is provided with the turning block.
Preferably, locking mechanical system is including offering the spread groove on the fixed plate inside wall, the activity is provided with the limiting plate on the inside wall of spread groove, the fixed locking lever that is provided with on the lateral wall of limiting plate, the locking lever is located the cover is equipped with the spring on one section inside lateral wall of spread groove.
Preferably, the top of base is fixed and is provided with the scale, the fixed cover that is provided with on the base, two-way threaded rod can rotate at fixed cover inside.
Preferably, a lock groove is formed in a side wall of the moving block, and the other end of the lock rod extends into the lock groove.
Preferably, one end of the spring abuts against the side wall of the limiting plate, and the other end of the limiting plate abuts against the side wall of the connecting groove.
Compared with the prior art, the beneficial effects of the utility model are that:
1. the utility model discloses in, through the setting of two-way threaded rod, movable block and scale, record initial position for two-way threaded rod rotates, can make the movable block remove to both sides, stretches metal material, and when metal material broke apart, the material elongation is calculated through the distance difference to record the final position, makes the tensile in-process of metal material, realizes that the material atress is more even in the testing process, and the data result that obtains is more accurate.
2. The utility model discloses in, use through the cooperation between clamping device and the locking mechanical system, realize rotating the turning block for press from both sides tight screw rod and descend, make the clamp plate descend in step and press from both sides metal material tightly, pull out the locked groove with the locking lever inside simultaneously, can rotate the fixed plate, take out the material, make the device fixed back, can be quick take off, effectively improved work efficiency, the staff of being convenient for uses.
Drawings
Fig. 1 is a schematic structural diagram of a device for detecting elongation after fracture for a metal material tensile test according to the present invention;
fig. 2 is a structural side view of a device for detecting elongation after fracture for a metal material tensile test according to the present invention;
fig. 3 is a structural cross-sectional view of a device for detecting elongation after fracture for a metal material tensile test according to the present invention;
fig. 4 is a structure enlarged view of the device a for detecting elongation after fracture for the tensile test of metal material.
In the figure: 1. a base; 2. a connecting frame; 3. a motor base; 4. a motor; 5. a bidirectional threaded rod; 6. a moving block; 7. fixing a sleeve; 8. a rotating shaft; 9. a fixing plate; 10. a moving groove; 11. a clamping plate; 12. clamping the screw rod; 13. rotating the block; 14. connecting grooves; 15. a limiting plate; 16. a spring; 17. a locking lever; 18. locking the groove; 19. a graduated scale.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.
Referring to fig. 1-4, a post-fracture elongation detecting device for a metal material tensile test comprises a base 1, a connecting frame 2 is fixedly arranged at the top of the base 1, a motor base 3 is fixedly arranged on the side wall of the base 1, a motor 4 is fixedly arranged at the top of the motor base 3, the output end of the motor 4 passes through the connecting frame 2, a bidirectional threaded rod 5 is fixedly arranged at the output end of the motor 4, the bidirectional threaded rod 5 is movably connected with the connecting frame 2, a moving block 6 is arranged on the outer side wall of the bidirectional threaded rod 5 in a threaded manner, a rotating shaft 8 is movably arranged at the top of the moving block 6, a fixing plate 9 is fixedly arranged on the rotating shaft 8, a scale 19 is fixedly arranged at the top of the base 1, a fixing sleeve 7 is fixedly arranged on the base 1, and the bidirectional threaded rod 5 can rotate inside the fixing sleeve 7;
the initial position is recorded through the arrangement of the bidirectional threaded rod 5, the moving block 6 and the scale 19, the bidirectional threaded rod 5 rotates, the moving block 6 can move towards two sides to stretch the metal material, when the metal material is broken, the end position is recorded, the elongation of the material is calculated through the distance difference, the material is stressed more uniformly in the detection process in the stretching process of the metal material, and the obtained data result is more accurate;
a clamping device is arranged on the inner side wall of the fixing plate 9 and comprises a moving groove 10 formed in the inner side wall of the fixing plate 9, a clamping plate 11 is movably arranged on the inner side wall of the moving groove 10, a clamping screw 12 is fixedly arranged at the top of the clamping plate 11, the clamping screw 12 is in threaded connection with the fixing plate 9, the top of the clamping screw 12 extends to the top of the fixing plate 9, and a rotating block 13 is fixedly arranged at the top of the clamping screw 12;
a locking mechanism is arranged on the side wall of the fixed plate 9, the locking mechanism comprises a connecting groove 14 formed in the inner side wall of the fixed plate 9, a limiting plate 15 is movably arranged on the inner side wall of the connecting groove 14, a locking rod 17 is fixedly arranged on the side wall of the limiting plate 15, a spring 16 is sleeved on a section of side wall, located inside the connecting groove 14, of the locking rod 17, one end of the spring 16 is abutted against the side wall of the limiting plate 15, the other end of the limiting plate 15 is abutted against the side wall of the connecting groove 14, a locking groove 18 is formed in the side wall of the movable block 6, and the other end of the locking rod 17 extends into the locking groove 18;
through the cooperation use between clamping device and the locking mechanical system, realize rotating the turning block 13 for clamping screw 12 descends, makes clamping plate 11 descend in step and presss from both sides tight with metal material, and inside locking lever 17 pulled out locked groove 18 simultaneously, can rotate fixed plate 9, takes out the material, makes the device fixed back, can be quick take off, has effectively improved work efficiency, and the staff of being convenient for uses.
In the utility model, when in use, the fixing plate 9 is opened by rotating along the rotating shaft 8, the testing metal material is placed at the top of the moving block 6, the fixing plate 9 is reversely rotated at the moment, the fixing plate 9 is closed, the locking rod 17 is pulled, the limiting plate 15 compresses the spring 16, the other end of the locking rod 17 is placed in the locking groove 18, at the moment, the limiting plate 15 is restored to the inside of the connecting groove 14 under the elastic action of the spring 16, the locking rod 17 moves along with the limiting plate 15, and the locking rod 17 can clamp the locking groove 18 tightly; at the moment, the rotating block 13 is rotated, so that the clamping screw 12 descends, and the clamping plate 11 clamps the metal material;
recording an initial position, starting the motor 4 at the moment, enabling the bidirectional threaded rod 5 to rotate, enabling the moving block 6 to move towards two sides, stretching the metal material, recording an end position when the metal material is broken, calculating the elongation of the material through distance difference, pulling the locking rod 17 out of the locking groove 18 at the moment, rotating the fixing plate 9 and taking out the material.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (6)
1. The post-fracture elongation detection device for the metal material tensile test comprises a base (1) and is characterized in that a connecting frame (2) is fixedly arranged at the top of the base (1), a motor base (3) is fixedly arranged on the side wall of the base (1), a motor (4) is fixedly arranged at the top of the motor base (3), the output end of the motor (4) passes through the connecting frame (2), a bidirectional threaded rod (5) is fixedly arranged at the output end of the motor (4), the bidirectional threaded rod (5) is movably connected with the connecting frame (2), a moving block (6) is arranged on the outer side wall of the bidirectional threaded rod (5) in a threaded mode, a rotating shaft (8) is movably arranged at the top of the moving block (6), a fixed plate (9) is fixedly arranged on the rotating shaft (8), and a clamping device is arranged on the inner side wall of the fixed plate (9), and a locking mechanism is arranged on the side wall of the fixing plate (9).
2. The device for detecting the elongation after fracture for the metal material tensile test according to claim 1, wherein the clamping device comprises a moving groove (10) formed in the inner side wall of the fixing plate (9), a clamping plate (11) is movably arranged on the inner side wall of the moving groove (10), a clamping screw (12) is fixedly arranged at the top of the clamping plate (11), the clamping screw (12) is in threaded connection with the fixing plate (9), the top of the clamping screw (12) extends to the top of the fixing plate (9), and a rotating block (13) is fixedly arranged at the top of the clamping screw (12).
3. The device for detecting the elongation after fracture of the metal material for the tensile test of the metal material according to claim 1, wherein the locking mechanism comprises a connecting groove (14) formed in the inner side wall of the fixing plate (9), a limiting plate (15) is movably arranged on the inner side wall of the connecting groove (14), a locking rod (17) is fixedly arranged on the side wall of the limiting plate (15), and the locking rod (17) is located on one section of the inner side wall of the connecting groove (14) and is sleeved with a spring (16).
4. The device for detecting the elongation after fracture for the tensile test of the metal material as claimed in claim 1, wherein a graduated scale (19) is fixedly arranged on the top of the base (1), a fixing sleeve (7) is fixedly arranged on the base (1), and the bidirectional threaded rod (5) can rotate inside the fixing sleeve (7).
5. The device for detecting the elongation after fracture for the tensile test of the metal material according to claim 3, wherein a lock groove (18) is formed in a side wall of the moving block (6), and the other end of the lock rod (17) extends into the lock groove (18).
6. The device for detecting the elongation after fracture for the tensile test of the metal material according to claim 3, wherein one end of the spring (16) abuts against the side wall of the limit plate (15), and the other end of the limit plate (15) abuts against the side wall of the connection groove (14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220086326.0U CN216847240U (en) | 2022-01-13 | 2022-01-13 | Device for detecting elongation after fracture for metal material tensile test |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220086326.0U CN216847240U (en) | 2022-01-13 | 2022-01-13 | Device for detecting elongation after fracture for metal material tensile test |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216847240U true CN216847240U (en) | 2022-06-28 |
Family
ID=82085437
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220086326.0U Expired - Fee Related CN216847240U (en) | 2022-01-13 | 2022-01-13 | Device for detecting elongation after fracture for metal material tensile test |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216847240U (en) |
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2022
- 2022-01-13 CN CN202220086326.0U patent/CN216847240U/en not_active Expired - Fee Related
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20220628 |
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| CF01 | Termination of patent right due to non-payment of annual fee |