CN219957188U - Tensile property detection equipment of bar-shaped metal test piece - Google Patents
Tensile property detection equipment of bar-shaped metal test piece Download PDFInfo
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- CN219957188U CN219957188U CN202321493699.0U CN202321493699U CN219957188U CN 219957188 U CN219957188 U CN 219957188U CN 202321493699 U CN202321493699 U CN 202321493699U CN 219957188 U CN219957188 U CN 219957188U
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- 238000012360 testing method Methods 0.000 title claims abstract description 36
- 239000002184 metal Substances 0.000 title claims abstract description 21
- 238000001514 detection method Methods 0.000 title claims abstract description 9
- 230000006978 adaptation Effects 0.000 claims description 5
- 230000007704 transition Effects 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 3
- 238000009864 tensile test Methods 0.000 abstract description 2
- 230000006835 compression Effects 0.000 description 12
- 238000007906 compression Methods 0.000 description 12
- 230000009471 action Effects 0.000 description 6
- 238000000034 method Methods 0.000 description 4
- 238000004880 explosion Methods 0.000 description 3
- 238000005381 potential energy Methods 0.000 description 3
- 238000009434 installation Methods 0.000 description 2
- 230000005389 magnetism Effects 0.000 description 2
- 230000000149 penetrating effect Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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Abstract
The utility model relates to the technical field of metal tensile testing equipment, and discloses tensile property detection equipment for a rod-shaped metal test piece, which has the advantages of good braking effect, high protection performance and high reliability. In order to achieve the above purpose, the present utility model provides the following technical solutions: a tensile property detection device for a rod-shaped metal test piece comprises a workbench, wherein a support column, a top plate, a hydraulic rod, a lower chuck, a movable plate and an upper chuck are arranged at the top of the workbench. The device is provided with the left clamping column, the right clamping column and the permanent magnet welded at the end part, when the movable block is integrally clamped upwards to enter the bottom of the fixed piece, the movable block is overlapped with the clamping groove, and the left clamping column and the right clamping column are driven to enter the clamping groove by utilizing the magnetic attraction of the electromagnet and the permanent magnet after being electrified, so that the clamping connection between the fixed block and the movable block is completed, the resilience force from the test piece is overcome, and the upper chuck arranged on the movable plate is effectively protected.
Description
Technical Field
The utility model relates to the technical field of tensile testing equipment, in particular to tensile property detection equipment for a rod-shaped metal test piece.
Background
The rod-shaped metal test piece is a sample piece for detecting mechanical properties of the rod-shaped metal, and the sample piece is used for reflecting the tensile properties of the rod-shaped metal by forcedly stretching to obtain plastic property data of the test piece; at present, rod-shaped metal test pieces with stronger tensile property are subjected to dynamic stretching by rod-shaped metal test pieces with stronger tensile property detection equipment in the prior art, but the problem is brought by adopting a cylinder or a hydraulic cylinder with larger pressure, the movable part of the clamping piece stretches the test pieces under the pushing of the hydraulic cylinder, when the stretching length is larger and larger, the pressure born by the hydraulic cylinder is larger and larger, and when the stretching limit is reached, the clamping piece is rapidly driven downwards by strong resilience force of the test piece after the explosion phenomenon caused by the fact that the hydraulic rod cannot bear the pressure, and at the moment, the whole clamping part is greatly damaged, and a synchronous braking mechanism is lacked in the prior art to avoid the phenomenon.
Disclosure of Invention
In order to overcome the defects of the prior art, the utility model provides the tensile property detection equipment for the rod-shaped metal test piece, which has the advantages of good braking effect, high protection performance and high reliability.
In order to achieve the above purpose, the present utility model provides the following technical solutions: a tensile property detection apparatus for a rod-shaped metal test piece includes
The top of the workbench is provided with a support column, a top plate, a hydraulic rod, a lower chuck, a moving plate and an upper chuck, wherein the telescopic end of the hydraulic rod drives the moving plate and the upper chuck to slide along the outer surface of the support column;
the fixing piece is welded and installed at the bottom of the top plate and comprises a fixing block, clamping grooves are formed in the left side and the right side of the inner wall of the fixing block, and an electromagnet is installed in the clamping grooves;
the movable piece is welded and installed on the movable plate and comprises a movable block, a placing groove is formed in the movable block, two groups of left clamping columns, reset springs and permanent magnets are symmetrically sleeved in the placing groove, and the permanent magnets are welded at one ends of the outer sides of the Zuo Kage columns and the right clamping columns.
As a preferable technical scheme of the utility model, the two groups of the reset springs are respectively sleeved on the outer surfaces of the left clamping column and the right clamping column, the two ends of the reset spring positioned at the left side are respectively and elastically connected with the placing groove and the left clamping column, the two ends of the reset spring positioned at the right side are respectively and elastically connected with the placing groove and the movable block, and the Zuo Kage column and the right clamping column are respectively and elastically supported in the placing groove through the reset springs.
As a preferable technical scheme of the utility model, the top of the fixed block is provided with an adapting groove penetrating to the bottom, the top of the movable block is also welded with an adapting column, and the adapting column moves upwards and is in adapting connection with the adapting groove.
As a preferable technical scheme of the utility model, the bottom of the fixed block is also provided with a groove, the groove is matched and clamped with the top of the movable block, and the clamping groove is overlapped with the Zuo Kage column and the right clamping column at the moment.
As a preferable technical scheme of the utility model, the support column and the top plate are integrally welded and mounted on the top of the workbench, and a buffer piece is slidably mounted on the outer surface of the support column and is elastically supported at the bottom of the movable plate.
As a preferable technical scheme of the utility model, the buffer part consists of an energy-absorbing spring, an upper limiting ring and a lower limiting ring, wherein the upper end and the lower end of the energy-absorbing spring are respectively and elastically connected with the upper limiting ring and the lower limiting ring, and the energy-absorbing spring is compressed and arranged between the upper limiting ring and the lower limiting ring.
As a preferable technical scheme of the utility model, the three groups of the adapting columns and the three groups of the adapting grooves are arranged, and the tops of the adapting columns are designed in a circular arc transition mode.
Compared with the prior art, the utility model has the following beneficial effects:
1. the device realizes the timely braking function of the movable plate by arranging the fixed piece and the movable piece, and avoids damage caused by downward rapid impact movement of the movable plate under the action of the resilience force of the test piece after the hydraulic rod is damaged by the explosion cylinder; through being provided with movable block built-in left block post, right block post and welding in the permanent magnet of tip, when the whole upwards block of movable block gets into the bottom of mounting, through standing groove and block groove coincidence to utilize electro-magnet and permanent magnet magnetism after the circular telegram to inhale, drive left block post, right block post get into in the block groove, thereby accomplish the block connection between fixed block and the movable block, be used for overcoming the resilience force from the test piece, effectively protect the last chuck of installation above the movable plate.
2. The buffer piece is arranged at the bottom of the movable plate, upward elastic potential energy and pressure generated by compression of the buffer piece are utilized to offset impact kinetic energy generated by the test piece driving the movable plate and the upper chuck downwards, a second layer of protection is provided for the movable plate and the upper chuck, the energy-absorbing spring is compressed between the upper limiting ring and the lower limiting ring, even if the movable plate drives the movable piece to move to the height contacting the fixed block, the energy-absorbing spring is still in a compressed state, the impact kinetic energy generated by the movable plate and the upper chuck under the control of losing the hydraulic rod supporting force is explained, and the impact kinetic energy generated by the test piece compressed to the limit is fully offset by the energy-absorbing spring, so that the reliability of the device is improved.
Drawings
FIG. 1 is a schematic view in elevation of a structure of the present utility model;
FIG. 2 is an enlarged schematic view of the structure of FIG. 1A according to the present utility model;
FIG. 3 is a schematic perspective view of the structure of the present utility model;
FIG. 4 is an exploded view of the moving plate, moving member and cushioning member of the present utility model;
fig. 5 is an exploded view of the cushioning member of the present utility model.
In the figure: 1. a work table; 11. a support post; 12. a top plate; 13. a hydraulic rod; 14. a lower chuck; 15. an upper chuck; 2. a fixing member; 21. a fixed block; 22. a clamping groove; 23. an adaptation groove; 24. an electromagnet; 3. a moving plate; 4. a movable member; 41. a movable block; 42. a placement groove; 43. a left clamping column; 44. a right clamping column; 45. a permanent magnet; 46. a return spring; 47. an adapter column; 5. a buffer member; 51. an energy absorbing spring; 52. an upper limit ring; 53. and a lower limiting ring.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
As shown in FIGS. 1 to 5, the present utility model provides a tensile property detecting apparatus for a rod-like metal test piece, comprising
The top of the workbench 1 is provided with a support column 11, a top plate 12, a hydraulic rod 13, a lower chuck 14, a moving plate 3 and an upper chuck 15, and the telescopic end of the hydraulic rod 13 drives the moving plate 3 and the upper chuck 15 to slide along the outer surface of the support column 11;
the fixing piece 2 is welded and installed at the bottom of the top plate 12 and comprises a fixing block 21, the left side and the right side of the inner wall of the fixing block 21 are provided with clamping grooves 22, and an electromagnet 24 is installed in the clamping grooves 22;
the movable piece 4 is welded and installed on the movable plate 3 and comprises a movable block 41, a placing groove 42 is formed in the movable block 41, two groups of left clamping columns 43, a reset spring 46 and permanent magnets 45 are symmetrically sleeved in the placing groove 42, and permanent magnets 45 are welded at one ends of the outer sides of the left clamping columns 43 and the right clamping columns 44;
the device realizes the timely braking function of the movable plate 3 by arranging the fixed part 2 and the movable part 4, and avoids the damage caused by downward rapid impact movement of the movable plate 3 under the action of the resilience force of the test piece after the hydraulic rod 13 is damaged by the explosion cylinder; through being provided with movable block 41 embeds left block post 43, right block post 44 and welds in permanent magnet 45 of tip, when movable block 41 overall upward block gets into the bottom of mounting 2, through standing groove 42 and clamping groove 22 coincidence to utilize electro-magnet 24 and permanent magnet 45 magnetism after the circular telegram to inhale, drive left block post 43, right block post 44 get into clamping groove 22, thereby accomplish the block connection between fixed block 21 and the movable block 41 for overcome the resilience force from the test piece, effectively protect the last chuck 15 of installation above the movable plate 3.
Wherein, the two sets of return springs 46 are respectively sleeved on the outer surfaces of the left clamping column 43 and the right clamping column 44, two ends of the left return spring 46 are respectively and elastically connected with the placing groove 42 and the left clamping column 43, two ends of the right return spring 46 are respectively and elastically connected with the placing groove 42 and the movable block 41, and the left clamping column 43 and the right clamping column 44 are respectively and elastically supported in the placing groove 42 through the return springs 46;
the left clamping column 43 and the right clamping column 44 are elastically supported in the placing groove 42 through the reset spring 46, in the original state, the fixed part 2 is not contacted with the movable part 4, the electromagnet 24 does not generate magnetic attraction force on the permanent magnet 45, and the left clamping column 43 and the right clamping column 44 keep a reset shrinkage state under the action of the reset spring 46.
Wherein, the top of the fixed block 21 is provided with an adapting groove 23 penetrating to the bottom, the top of the movable block 41 is also welded with an adapting column 47, and the adapting column 47 moves upwards and is adapted to be inserted into the adapting groove 23;
when the movable block 41 moves upwards, the adapter column 47 is driven to be inserted upwards into the adapter groove 23, so that the card between the movable block 41 and the fixed block 21 is properly and accurately matched.
The bottom of the fixed block 21 is further provided with a groove, the groove is matched and clamped with the top of the movable block 41, and the clamping groove 22 is overlapped with the left clamping column 43 and the right clamping column 44 at the moment;
the groove at the bottom of the fixed block 21 is just matched with the top of the movable block 41, and the movable block 41 can be quickly contacted with the bottom of the fixed block 21 when moving upwards and is in clamping connection with the right clamping column 44 through the left clamping column 43 so as to form a whole.
The support 11 and the top plate 12 are integrally welded and mounted on the top of the workbench 1, a buffer piece 5 is slidably mounted on the outer surface of the support 11, and the buffer piece 5 is elastically supported at the bottom of the movable plate 3;
the buffer part 5 is arranged at the bottom of the movable plate 3 and is responsible for generating reverse elastic potential energy by being compressed when the movable plate 3 moves downwards rapidly so as to offset the impact kinetic energy from the test part to drive the movable plate 3 and the upper chuck 15 and reduce the damage to the upper chuck 15.
The buffer piece 5 is composed of an energy-absorbing spring 51, an upper limiting ring 52 and a lower limiting ring 53, wherein the upper end and the lower end of the energy-absorbing spring 51 are respectively and elastically connected with the upper limiting ring 52 and the lower limiting ring 53, and the energy-absorbing spring 51 is compressed and arranged between the upper limiting ring 52 and the lower limiting ring 53;
the buffer piece 5 is arranged at the bottom of the movable plate 3, upward elastic potential energy and pressure generated by compression of the buffer piece are used for counteracting impact kinetic energy generated by the test piece driving the movable plate 3 and the upper chuck 15 downwards, a second layer of protection is provided for the movable plate 3 and the upper chuck 15, the energy-absorbing spring 51 is compressed and arranged between the upper limiting ring 52 and the lower limiting ring 53, even if the movable plate 3 drives the movable piece 4 to move to be in contact with the height of the fixed block 21, the energy-absorbing spring 51 is still in a compressed state, and the impact kinetic energy generated by the test piece driving under the control of losing the supporting force of the hydraulic rod 13 of the movable plate 3 and the upper chuck 15 is fully counteracted by the energy-absorbing spring 51 compressed to the limit, so that the reliability of the device is improved.
Wherein, the fit column 47 and the fit groove 23 are all arranged in three groups, and the top of the fit column 47 is designed in a circular arc transition way;
the adapting post 47 and the adapting groove 23 provide the connection guiding function for the movable part 4 and the fixed part 2 as a whole in an adapting and inserting way.
The working principle and the using flow of the utility model are as follows:
firstly, the test piece is clamped between the lower chuck 14 and the upper chuck 15 and the clamping and fixing operation is completed, then the hydraulic rod 13 is started and drives the hydraulic rod 13, the upper chuck 15 and the movable piece 4 to integrally move upwards, along with the test piece stretched by the upper chuck 15 and the lower chuck 14, the hydraulic rod 13 and the movable plate 3 are subjected to downward gradually increased resilience force, when the movable piece 41 moves upwards to the height contacting with the bottom of the fixed piece 21, the adaptation column 47 is inserted in the adaptation groove 23, at the moment, the placing groove 42 and the axial collineation of the clamping groove 22 are overlapped, the electromagnet 24 is electrified, the left clamping column 43 and the right clamping column 44 are respectively pulled into the left clamping groove 22 and the right clamping groove 22 through the magnetic attraction effect of the electromagnet 24 and the permanent magnet 45, the left clamping column 43 and the right clamping column 44 are respectively inserted into the two groups of clamping grooves 22, so that the movable piece 41 and the fixed piece 21 are firmly positioned together, when the resilience force of the test piece is excessively large to the hydraulic rod 13 bursts, the electromagnet is Zuo Kage column 43 and the right clamping column 44 to the cylinder, the whole body is compressed and the whole compression energy is also reduced by the compression force of the fixed piece 21 in time, and the whole compression force is reduced, even if the whole compression force is reduced by the fixed piece 21 is not damaged by the compression force of the fixed piece 21, and the compression force is reduced by the whole compression force of the fixed piece, and the compression force is reduced by the whole compression force of the compression piece.
It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. The tensile property detection equipment of bar-shaped metal test piece, its characterized in that: comprising
The workbench (1) is provided with a support column (11), a top plate (12), a hydraulic rod (13), a lower chuck (14), a moving plate (3) and an upper chuck (15) at the top, wherein the telescopic end of the hydraulic rod (13) drives the moving plate (3) and the upper chuck (15) to slide along the outer surface of the support column (11);
the fixing piece (2) is welded and installed at the bottom of the top plate (12) and comprises a fixing block (21), clamping grooves (22) are formed in the left side and the right side of the inner wall of the fixing block (21), and electromagnets (24) are installed in the clamping grooves (22);
the movable piece (4) is welded and installed on the movable plate (3), and comprises a movable block (41), a placing groove (42) is formed in the movable block (41), two groups of left clamping columns (43), a reset spring (46) and permanent magnets (45) are symmetrically sleeved in the placing groove (42), and the permanent magnets (45) are welded at one ends of the outer sides of the Zuo Kage columns (43) and the right clamping columns (44).
2. The tensile property detecting apparatus for a rod-like metal test piece according to claim 1, wherein: the reset springs (46) are arranged into two groups and are respectively sleeved on the outer surfaces of the left clamping columns (43) and the right clamping columns (44), the reset springs are located on the left side, the two ends of each reset spring (46) are respectively elastically connected with the containing groove (42) and the left clamping columns (43), the reset springs are located on the right side, the two ends of each reset spring (46) are respectively elastically connected with the containing groove (42) and the movable block (41), and the Zuo Kage columns (43) and the right clamping columns (44) are elastically supported in the containing groove (42) through the reset springs (46).
3. The tensile property detecting apparatus for a rod-like metal test piece according to claim 1, wherein: the top of fixed block (21) has seted up and has run through to adapter groove (23) of bottom, adapter post (47) have still been welded at the top of movable block (41), adapter post (47) upwards move and with adapter groove (23) adaptation grafting.
4. The tensile property detecting apparatus for a rod-like metal test piece according to claim 1, wherein: the bottom of fixed block (21) has still seted up the recess, the adaptation block in recess and the top of movable block (41), and at this moment block groove (22) and Zuo Kage post (43), right block post (44) coincidence.
5. The tensile property detecting apparatus for a rod-like metal test piece according to claim 1, wherein: the support (11) and the top plate (12) are integrally welded and mounted at the top of the workbench (1), the buffer piece (5) is slidably mounted on the outer surface of the support (11), and the buffer piece (5) is elastically supported at the bottom of the movable plate (3).
6. The tensile property testing apparatus for a rod-like metal test piece according to claim 5, wherein: the buffer piece (5) is composed of an energy-absorbing spring (51), an upper limiting ring (52) and a lower limiting ring (53), wherein the upper end and the lower end of the energy-absorbing spring (51) are respectively and elastically connected with the upper limiting ring (52) and the lower limiting ring (53), and the energy-absorbing spring (51) is compressed and arranged between the upper limiting ring (52) and the lower limiting ring (53).
7. A tensile property testing apparatus for a rod-like metal test piece according to claim 3, wherein: the three groups of the adapting columns (47) and the three groups of the adapting grooves (23) are arranged, and the tops of the adapting columns (47) are designed in a circular arc transition mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321493699.0U CN219957188U (en) | 2023-06-13 | 2023-06-13 | Tensile property detection equipment of bar-shaped metal test piece |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321493699.0U CN219957188U (en) | 2023-06-13 | 2023-06-13 | Tensile property detection equipment of bar-shaped metal test piece |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219957188U true CN219957188U (en) | 2023-11-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321493699.0U Active CN219957188U (en) | 2023-06-13 | 2023-06-13 | Tensile property detection equipment of bar-shaped metal test piece |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219957188U (en) |
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2023
- 2023-06-13 CN CN202321493699.0U patent/CN219957188U/en active Active
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