CN220568543U - High-temperature stretching clamp for high-temperature alloy ultrathin material - Google Patents
High-temperature stretching clamp for high-temperature alloy ultrathin material Download PDFInfo
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- CN220568543U CN220568543U CN202320221282.2U CN202320221282U CN220568543U CN 220568543 U CN220568543 U CN 220568543U CN 202320221282 U CN202320221282 U CN 202320221282U CN 220568543 U CN220568543 U CN 220568543U
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- 239000000463 material Substances 0.000 title claims abstract description 23
- 239000000956 alloy Substances 0.000 title claims abstract description 21
- 229910045601 alloy Inorganic materials 0.000 title abstract description 15
- 238000009864 tensile test Methods 0.000 abstract description 4
- 230000000694 effects Effects 0.000 description 2
- 230000000149 penetrating effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
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Abstract
The utility model relates to the field of high-temperature alloy material tensile property test, in particular to a high-temperature tensile clamp for a high-temperature alloy ultrathin material, which is particularly used for a high-temperature tensile test of an ultrathin material with the thickness of less than 0.1 mm. The clamp comprises an upper clamp body and a lower clamp body which are in mirror symmetry, wherein the upper clamp body and the lower clamp body are of cylindrical structures, clamping grooves with the width corresponding to the thickness of an ultrathin tensile sample are respectively formed in round end faces corresponding to the upper clamp body and the lower clamp body, positioning holes corresponding to the pin holes of the clamping ends of the sample are respectively formed in the side faces of the upper clamp body and the lower clamp body, and the positioning holes are located at the end parts corresponding to the upper clamp body and the end parts corresponding to the lower clamp body and vertically penetrate through the clamping grooves. The utility model can reliably clamp the ultrathin tensile sample under the high temperature condition, and can solve the problems that the traditional clamp clamps the ultrathin material unreliably, the clamp is not matched with the sample, the clamp is too large to be used in a high temperature furnace, and the like.
Description
Technical Field
The utility model relates to the field of high-temperature alloy material tensile property test, in particular to a high-temperature tensile clamp for a high-temperature alloy ultrathin material, which is particularly used for a high-temperature tensile test of an ultrathin material with the thickness of less than 0.1 mm.
Background
At present, a traditional tensile clamp adopts a clamp with friction clamping (such as a wedge-shaped clamp, a flat pushing clamp and the like) to fix a tensile sample, the friction clamping clamp is extremely unstable in clamping under a high temperature condition, the test requirement of a high-temperature alloy ultrathin tensile sample under the high temperature condition cannot be met, the ultrathin tensile sample (the thickness is less than or equal to 0.1 mm) is usually a small-size sample, and the problems that the traditional clamp is not matched with the sample, the traditional clamp is oversized and cannot be used in a high-temperature furnace and the like occur, so that the development of a small-size high-temperature tensile clamp for the high-temperature alloy ultrathin material is required.
Disclosure of Invention
In order to overcome the defects and shortcomings of the traditional stretching clamp, the utility model aims to provide the high-temperature stretching clamp for the high-temperature alloy ultrathin material, so as to solve the problems that the traditional clamp clamps the ultrathin material unreliably, the clamp is not matched with a sample, the clamp is too large to be used in a high-temperature furnace and the like.
The technical scheme of the utility model is as follows:
a high temperature stretching clamp for super thin material of high temperature alloy comprises two mirror symmetry's of last anchor clamps body and lower anchor clamps body, goes up the anchor clamps body and adopts cylindrical structure with lower anchor clamps body, has seted up the centre gripping groove that the width suited with super thin material tensile sample thickness on the round terminal surface that goes up the anchor clamps body and lower anchor clamps body corresponds respectively, goes up the locating hole that has been seted up one respectively with sample centre gripping end pinhole size suited with the side of the anchor clamps body down, the locating hole is located the tip that goes up the anchor clamps body and lower anchor clamps body corresponds and passes the centre gripping groove with perpendicular.
The high-temperature stretching clamp for the high-temperature alloy ultrathin material is characterized in that the clamping end part of the ultrathin material stretching sample stretches into the clamping groove, and the positioning pin sequentially penetrates through the positioning hole, the sample clamping end pin hole and the ultrathin material stretching sample to be fixedly connected.
The high-temperature stretching clamp for the high-temperature alloy ultrathin material adopts a pin penetrating connection mode, and the thickness of the high-temperature stretching clamp is less than or equal to 0.1mm; the diameters of the connecting parts of the positioning pins and the positioning holes are 1-10 mm; when the ultrathin tensile sample with small clamping thickness is clamped, the ultrathin tensile sample is ensured to be positioned on the tensile axis by adopting positioning pins with different specifications.
The high-temperature stretching clamp for the high-temperature alloy ultrathin material is characterized in that the clamping grooves of the upper clamp body and the lower clamp body are positioned on the same plane through the circle center of the round end surface, so that the clamping end part of the ultrathin material stretching sample is convenient to insert and center.
The diameter of the upper clamp body and the lower clamp body of the high-temperature stretching clamp for the high-temperature alloy ultrathin material is phi 20-40 mm, and the depth of the clamping groove is 10-15 mm.
The high-temperature stretching clamp for the high-temperature alloy ultrathin material is characterized in that screw rods are arranged at the upper end of the upper clamp body and the lower end of the lower clamp body along the axial direction respectively, so that the upper clamp body and the lower clamp body are fixed on the high-temperature pull rod through the screw rods respectively.
The utility model has the advantages and beneficial effects that:
1. according to the utility model, the ultrathin tensile sample and the clamp are fixed in a pin-penetrating connection mode, so that the clamping is reliable, and the slipping problem of the ultrathin tensile sample in a high-temperature tensile test is avoided.
2. The width of the clamping groove is adapted to the thickness of the tensile sample, and no space is provided for deformation of the pin hole of the clamping end of the sample; meanwhile, the clamp can rapidly finish sample clamping and sample centering operation, solves the technical problem of reliable clamping of the high-temperature alloy ultrathin material with the thickness of less than or equal to 0.1mm in high-temperature tensile test, and improves the success rate of the test.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model.
Fig. 2 is a schematic structural view of the clip body.
Fig. 3 is a schematic structural view of the positioning pin.
Fig. 4 is a schematic structural view of an ultrathin tensile specimen.
In the figure: 1-an upper clamp body; 2-a lower clamp body; 3-clamping grooves; 4-locating pins; 5-positioning holes; 6-stretching the sample; 7-sample clamping end pin holes; 8-screw rod.
Detailed Description
The utility model is further described below with reference to the accompanying drawings.
As shown in fig. 1-4, the high-temperature stretching clamp for the high-temperature alloy ultrathin material consists of two clamp bodies which are mirror symmetry, namely an upper clamp body 1 and a lower clamp body 2, wherein the upper clamp body 1 and the lower clamp body 2 are of cylindrical structures, and screw rods 8 are respectively arranged at the upper end of the upper clamp body 1 and the lower end of the lower clamp body 2 along the axial direction, so that the upper clamp body 1 and the lower clamp body 2 are respectively fixed on a high Wen Lagan through the screw rods 8, and the upper clamp body 1 and the lower clamp body 2 are reliably connected with a high-temperature pull rod. The round end faces corresponding to the upper clamp body 1 and the lower clamp body 2 are respectively provided with a clamping groove 3 with the width corresponding to the thickness of the ultrathin tensile sample, the side faces of the upper clamp body 1 and the lower clamp body 2 are respectively provided with a positioning hole 5 corresponding to the size of a sample clamping end pin hole 7, and the positioning holes 5 are positioned at the end parts corresponding to the upper clamp body 1 and the lower clamp body 2 and vertically penetrate through the clamping grooves 3.
The clamping end part of the tensile sample 6 stretches into the clamping groove 3, and the positioning pin 4 sequentially passes through the positioning hole 5 and the sample clamping end pin hole 7 to be fixedly connected with the tensile sample 6. From the test effect, it can be seen that the ultrathin tensile sample 6 extends into the clamping groove 3 and is fixed by the positioning pin 4 through the positioning hole 5, the breaking position is within the gauge length, and the clamping effect of the clamp is good under the high-temperature condition.
In order to ensure the centering of the tensile sample 6, the clamping grooves 3 of the upper clamp body 1 and the lower clamp body 2 are required to pass through the center of the circle of the round end surface and are positioned on the same plane, so that the clamping end part of the ultrathin tensile sample 6 is convenient to insert and center. In the embodiment, the diameters of the upper clamp body 1 and the lower clamp body 2 are about phi 30mm, the depth of the clamping groove 3 is 12mm, the connecting positions of the positioning pins 4 and the positioning holes 5 are matched, and the diameters of the positioning pins are 5mm.
The high-temperature clamp is made of a high-temperature alloy material made of K465, the test temperature can reach 800 ℃, and the high-temperature clamp is used in a high-temperature furnace, so that the clamp is ensured to have good mechanical properties at room temperature to 800 ℃. The ultrathin tensile sample adopts a pin penetrating connection mode, the clamping thickness is downward compatible with the maximum specification (0.1 mm), and when the sample with small clamping thickness is clamped, positioning pins with different specifications are added on two sides of the tensile sample, so that the ultrathin tensile sample is ensured to be positioned on a tensile axis.
The implementation result shows that the utility model can reliably clamp the ultrathin tensile sample under the high temperature condition, and solves the problem that the traditional clamp can not meet.
Claims (3)
1. The high-temperature stretching clamp for the super-thin high-temperature alloy material is characterized by comprising an upper clamp body and a lower clamp body which are in mirror symmetry, wherein the upper clamp body and the lower clamp body are of cylindrical structures, clamping grooves with the width corresponding to the thickness of the super-thin material stretching sample are respectively formed in round end faces corresponding to the upper clamp body and the lower clamp body, positioning holes with the size corresponding to pin holes of clamping ends of the sample are respectively formed in the side faces of the upper clamp body and the lower clamp body, and the positioning holes are positioned at the end parts corresponding to the upper clamp body and the end parts corresponding to the lower clamp body and vertically penetrate through the clamping grooves;
the clamping end part of the ultrathin tensile sample stretches into the clamping groove, and the positioning pin sequentially passes through the positioning hole and the pin hole of the clamping end of the sample to be fixedly connected with the ultrathin tensile sample;
the ultrathin tensile sample adopts a pin-penetrating connection mode, and the thickness of the ultrathin tensile sample is less than or equal to 0.1mm; the diameters of the connecting parts of the positioning pins and the positioning holes are 1-10 mm; when the ultrathin tensile sample with small thickness is clamped, the ultrathin tensile sample is ensured to be positioned on a tensile axis by adopting positioning pins with different specifications;
the clamping grooves of the upper clamp body and the lower clamp body are positioned on the same plane through the circle center of the round end surface, so that the clamping ends of the ultrathin tensile sample can be conveniently inserted and centered.
2. The high-temperature stretching clamp for the super-thin high-temperature alloy material according to claim 1, wherein the diameter of the upper clamp body and the lower clamp body is phi 20-40 mm, and the depth of the clamping groove is 10-15 mm.
3. The high-temperature stretching clamp for the super-thin high-temperature alloy material according to claim 1, wherein the upper end of the upper clamp body and the lower end of the lower clamp body are respectively provided with a screw rod along the axial direction, so that the upper clamp body and the lower clamp body are respectively fixed on the high-temperature pull rod through the screw rods.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320221282.2U CN220568543U (en) | 2023-02-15 | 2023-02-15 | High-temperature stretching clamp for high-temperature alloy ultrathin material |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320221282.2U CN220568543U (en) | 2023-02-15 | 2023-02-15 | High-temperature stretching clamp for high-temperature alloy ultrathin material |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220568543U true CN220568543U (en) | 2024-03-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320221282.2U Active CN220568543U (en) | 2023-02-15 | 2023-02-15 | High-temperature stretching clamp for high-temperature alloy ultrathin material |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220568543U (en) |
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2023
- 2023-02-15 CN CN202320221282.2U patent/CN220568543U/en active Active
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