CN216646091U - Tensile testing machine sample adjusting device - Google Patents
Tensile testing machine sample adjusting device Download PDFInfo
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- CN216646091U CN216646091U CN202122984455.XU CN202122984455U CN216646091U CN 216646091 U CN216646091 U CN 216646091U CN 202122984455 U CN202122984455 U CN 202122984455U CN 216646091 U CN216646091 U CN 216646091U
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Abstract
The utility model discloses a sample adjusting device of a tensile testing machine, and belongs to the technical field of mechanical inspection of metal materials. A tensile testing machine specimen adjustment device includes: the centering clamp comprises a fixing component, an adjusting component connected with the fixing component and a centering clamp connected with the adjusting component; the adjusting assembly comprises: the adjusting rod penetrates through the fixing assembly, the positioning clamp is sleeved on the adjusting rod and is in contact with the fixing assembly, and the end of the adjusting rod penetrates through the centering clamp. The fixing assembly is used for being connected and fixed with a clamp on a tensile testing machine, the adjusting rod sequentially penetrates through the fixing assembly and the centering clamp, the relative position of the adjusting rod and the fixing assembly is fixed through the positioning clamp, the centering position is determined through the relative position relation of the centering clamp and the adjusting rod, and the situation that a test sample is clamped incorrectly and is not on the same axis with the testing machine during testing is avoided.
Description
Technical Field
The utility model relates to the technical field of mechanical inspection of metal materials, in particular to a sample adjusting device of a tensile testing machine.
Background
The metal mechanical property test method is one of important means for detecting and evaluating the quality of metal materials, wherein a tensile test is the most basic test. The tensile test aims at evaluating various properties of the metal material in the aspects of elasticity, strength property, ductility and the like, and provides important technical parameters for quality inspection and scientific research.
GB/T228.1-2010 metal material tensile test first part: room temperature tensile test method stipulates that the clamping of the sample should try to ensure that the clamped sample is acted by axial tension and bending is reduced as much as possible. This is particularly important when testing brittle materials or determining a specified plastic elongation strength, a specified total elongation strength, a specified residual elongation strength or yield strength. Therefore, the sample clamping misalignment may cause the test data to be distorted.
When the tensile testing machine clamps the sample, if no sample adjusting device is arranged, the sample can be clamped only by feeling and working experience. Therefore, in the prior art, the sample is not clamped correctly and is not on the same axis with the testing machine.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a sample adjusting device of a tensile testing machine, which aims to solve the problems that the existing sample is not clamped correctly and is not on the same axis with the testing machine
The technical scheme for solving the technical problems is as follows:
a tensile testing machine specimen adjustment device includes: the centering clamp comprises a fixing component, an adjusting component connected with the fixing component and a centering clamp connected with the adjusting component; the adjusting assembly comprises: the adjusting rod penetrates through the fixing assembly, the positioning clamp is sleeved on the adjusting rod and is in contact with the fixing assembly, and the end of the adjusting rod penetrates through the centering clamp.
The fixing assembly is used for being connected and fixed with a clamp on a tensile testing machine, the adjusting rod sequentially penetrates through the fixing assembly and the centering clamp, the relative position of the adjusting rod and the fixing assembly is fixed through the positioning clamp, the centering position is determined through the relative position relation of the centering clamp and the adjusting rod, and the situation that a test sample is clamped incorrectly and is not on the same axis with the testing machine during testing is avoided.
Further, the fixing assembly includes: the fixed plate is connected with the adjusting rod, and the fixed bolt penetrates through the fixed plate, and the fixed plate is provided with a fixed hole matched with the adjusting rod.
The fixing plate is fixedly connected with the test fixture through the fixing bolt, and is provided with the fixing hole, so that the adjusting rod can be conveniently matched with the centering clip after passing through the fixing hole.
Furthermore, the outer wall of the adjusting rod is provided with an external thread, and the inner wall of the fixing hole is provided with an internal thread matched with the external thread of the adjusting rod
The adjusting rod and the fixing hole are fixedly connected through thread matching, so that the relative position between the adjusting rod and the fixing hole is prevented from being easily changed, and the position of the adjusting rod can be finely adjusted through thread connection.
Further, above-mentioned centering checkpost is the U type, includes: the adjusting rod comprises a first section connected with the adjusting rod, a second section arranged in parallel with the first section and a connecting section vertically connected between the first section and the second section, and scale marks are arranged on the side wall of the connecting section.
The end of the adjusting rod penetrates through the first section and is compared with the scale marks on the connecting section, so that the relative positions of the pattern clamp and the adjusting rod are determined.
Furthermore, the numerical values of the scale marks are sequentially increased from the extending direction of the first section to the extending direction of the second section.
The numerical variation trend of the scale marks is consistent with the variation trend of the length of the adjusting rod penetrating through the first section, so that the reading is convenient for workers.
Furthermore, the first section is provided with an adjusting hole matched with the adjusting rod, and the inner wall of the adjusting hole is provided with an internal thread
The adjusting hole and the adjusting rod are connected through the threads, so that the distance of the adjusting rod extending out of the first section can be finely adjusted conveniently.
Furthermore, a handle is arranged at the end part of the adjusting rod, which is far away from the centering clip.
The handle is arranged, so that a worker can drive the adjusting rod to rotate and move by screwing the handle.
The utility model has the following beneficial effects:
the fixing assembly is used for being connected and fixed with a clamp on a tensile testing machine, the adjusting rod sequentially penetrates through the fixing assembly and the centering clamp, the relative position of the adjusting rod and the fixing assembly is fixed through the positioning clamp, the centering position is determined through the relative position relation of the centering clamp and the adjusting rod, and the situation that a test sample is clamped incorrectly and is not on the same axis with the testing machine during testing is avoided.
Drawings
FIG. 1 is a schematic structural diagram of a sample adjusting device of a tensile testing machine according to the present invention;
FIG. 2 is a cross-sectional view of the centering clip of the present invention;
fig. 3 is a cross-sectional view of a fixing plate according to the present invention.
In the figure: 10-a stationary assembly; 11-a fixed plate; 12-a fixing bolt; 13-a fixation hole; 20-a regulating component; 21-adjusting the rod; 22-a locator card; 23-a handle; 30-centering clips; 31-first section; 32-a second segment; 33-a connecting segment; 34-graduation mark; 35-adjustment holes.
Detailed Description
The principles and features of this invention are described below in conjunction with the following drawings, which are set forth by way of illustration only and are not intended to limit the scope of the utility model.
Examples
Referring to fig. 1, a specimen adjusting device for a tensile testing machine includes: the device comprises a fixing component 10 connected with a tensile testing machine clamp, an adjusting component 20 connected with the fixing component 10 and a centering clip 30 connected with the adjusting component 20.
Referring to fig. 1 and 3, the fixing assembly 10 includes: the fixing device comprises a fixing plate 11 and a fixing bolt 12 connected to the fixing plate 11, wherein a bolt hole connected with the fixing bolt 12 is formed in the fixing plate 11, and the fixing plate 11 can be fixed on a clamp of the tensile testing machine under the action of the fixing bolt 12.
The adjustment assembly 20 includes: the adjusting rod 21 penetrates through the fixing plate 11, and the positioning clamp 22 is sleeved on the adjusting rod 21 and is in contact with two surfaces of the fixing plate 11 respectively, external threads are formed on the outer wall of the adjusting rod 21, a fixing hole 13 matched with the adjusting rod 21 is formed in the fixing plate 11, and the relative position of the adjusting rod 21 and the fixing plate 11 can be fixed through connection of the fixing hole 13 and the adjusting rod 21. The positioning clip 22 is used for locking the position where the fixing plate 11 and the adjusting rod 21 are connected, so as to prevent the fixing plate 11 and the adjusting rod 21 from easily changing relative positions, and thus prevent the position reference of one end where the adjusting rod 21 and the centering clip 30 are connected from generating deviation. The end of the adjusting rod 21 is further provided with a handle 23, the outer wall of the handle 23 is further provided with a knurl, and a worker can drive the adjusting rod 21 to rotate by screwing the handle 23.
Referring to fig. 1 and 3, the centering clip 30 is U-shaped and includes: the adjusting device comprises a first section 31 connected with the end part of the adjusting rod 21 far away from the handle 23, a second section 32 arranged in parallel with the first section 31, and a connecting section 33 vertically connected between the first section 31 and the second section 32, wherein an adjusting hole 35 is formed in the first section 31, and an inner wall of the adjusting hole 35 is provided with an inner thread so as to be connected and matched with the adjusting rod 21. The outer wall of the connecting section 33 is also marked with scale marks 34, the numerical values of the scale marks 34 are sequentially increased along the extending direction from the first section 31 to the second section 32, and are consistent with the length change trend of the adjusting rod 21 penetrating through the first section 31, so that the reading is convenient for workers.
When the adjusting rod 21 is used, one end of the adjusting rod 21 connected with the fixing plate 11 can be positioned and locked through the positioning clamp 22, the relative position relation between the corresponding adjusting centering clamp 30 and the adjusting rod 21 is adjusted, and the length of the adjusting rod 21 extending out of the first section 31 is adjusted by taking the scale mark 34 as a logarithmic reference. The centering position is determined through the matching, so that the condition that the sample is clamped incorrectly and is not on the same axis with the testing machine during the test is avoided.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the utility model, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (7)
1. The utility model provides a tensile testing machine sample adjusting device which characterized in that includes: the device comprises a fixing component (10), an adjusting component (20) connected with the fixing component (10) and a centering clip (30) connected with the adjusting component (20);
the adjustment assembly (20) comprises: run through regulation pole (21) and the cover of fixed subassembly (10) are established adjust pole (21) go up and with locator card (22) of fixed subassembly (10) contact, the tip of adjusting pole (21) still runs through centering checkpost (30).
2. The specimen conditioning device of the tensile testing machine according to claim 1, characterized in that said fixing assembly (10) comprises: the fixing device comprises a fixing plate (11) connected with the adjusting rod (21) and a fixing bolt (12) penetrating through the fixing plate (11), wherein a fixing hole (13) matched with the adjusting rod (21) is formed in the fixing plate (11).
3. The sample adjusting device for the tensile testing machine is characterized in that the outer wall of the adjusting rod (21) is provided with an external thread, and the inner wall of the fixing hole (13) is provided with an internal thread matched with the external thread of the adjusting rod (21).
4. The sample conditioner of tensile testing machine according to claim 2, characterized in that said centering clip (30) is U-shaped and comprises: the adjusting rod comprises a first section (31) connected with the adjusting rod (21), a second section (32) arranged in parallel with the first section (31), and a connecting section (33) vertically connected between the first section (31) and the second section (32), wherein scale marks (34) are arranged on the side wall of the connecting section (33).
5. The sample adjustment device for a tensile testing machine according to claim 4, wherein the scale marks (34) increase in value in order from the extending direction of the first section (31) to the second section (32).
6. The sample adjusting device for the tensile testing machine is characterized in that the first section (31) is provided with an adjusting hole (35) matched with the adjusting rod (21), and the inner wall of the adjusting hole (35) is provided with internal threads.
7. The device for adjusting samples of a tensile testing machine according to any one of claims 1 to 6, characterized in that the end of the adjusting lever (21) remote from the centering clip (30) is provided with a rotating handle (23).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122984455.XU CN216646091U (en) | 2021-11-30 | 2021-11-30 | Tensile testing machine sample adjusting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122984455.XU CN216646091U (en) | 2021-11-30 | 2021-11-30 | Tensile testing machine sample adjusting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216646091U true CN216646091U (en) | 2022-05-31 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122984455.XU Active CN216646091U (en) | 2021-11-30 | 2021-11-30 | Tensile testing machine sample adjusting device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216646091U (en) |
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2021
- 2021-11-30 CN CN202122984455.XU patent/CN216646091U/en active Active
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