CN210108842U - Synchronous sample anchor clamps of tensile and compression and creep testing machine - Google Patents
Synchronous sample anchor clamps of tensile and compression and creep testing machine Download PDFInfo
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- CN210108842U CN210108842U CN201920402361.7U CN201920402361U CN210108842U CN 210108842 U CN210108842 U CN 210108842U CN 201920402361 U CN201920402361 U CN 201920402361U CN 210108842 U CN210108842 U CN 210108842U
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- 238000012360 testing method Methods 0.000 title claims abstract description 81
- 230000006835 compression Effects 0.000 title claims abstract description 33
- 238000007906 compression Methods 0.000 title claims abstract description 33
- 230000001360 synchronised effect Effects 0.000 title claims abstract description 17
- 230000000149 penetrating effect Effects 0.000 claims description 5
- 238000004154 testing of material Methods 0.000 abstract 1
- 238000000034 method Methods 0.000 description 7
- 239000000463 material Substances 0.000 description 4
- 239000000956 alloy Substances 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 230000006978 adaptation Effects 0.000 description 2
- 229910045601 alloy Inorganic materials 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
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- 238000012423 maintenance Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
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- 238000002360 preparation method Methods 0.000 description 1
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Abstract
The utility model is suitable for a material testing equipment technical field provides a synchronous sample anchor clamps of tensile and compression and creep testing machine. The utility model discloses a set up the base between last pull head and lower pull head, first sample can set up between last pull head and base, and the second sample can set up between base and lower pull head. When the creep testing machine applies external force to the upper pull head and the lower pull head respectively, the upper pull head moves upwards relative to the base, and the upper pull head is matched with the base to compress the first sample so as to realize the compression creep test of the first sample; the lower pull head moves downwards relative to the base, and the lower pull head is matched with the base to stretch the second sample so as to realize the tensile creep test of the second sample. Therefore, the creep testing machine adopting the sample clamp can realize the compression creep test of the first sample and the tensile creep test of the second sample simultaneously, can enable the compression creep and the tensile creep to be carried out synchronously, and further greatly improves the creep test efficiency.
Description
Technical Field
The utility model belongs to the technical field of the material check out test set, more specifically say, relate to a tensile and synchronous sample anchor clamps of compression and use creep test machine of this sample anchor clamps.
Background
The creep test is one of the important methods for reflecting the viscoelasticity mechanical property of the solid material, the creep property of the material is generally required to be tested in the research and development process of the novel high-temperature alloy material, and the creep test is essential. In the actual working condition of the high-temperature alloy, the stress condition of the material is complex, and the material is not only subjected to tensile stress but also subjected to compressive stress, so that the tensile creep test and the compressive creep test need to be carried out on the high-temperature alloy. However, the current creep test device can only perform one test, i.e. only tensile creep or only compressive creep, and the tensile creep test and the compressive creep test cannot be performed synchronously, which seriously affects the efficiency of the creep test.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a synchronous sample anchor clamps of tensile and compression to the tensile creep test and the compression creep test that exist among the solution prior art can not go on in step, lead to the problem that creep test efficiency is low.
In order to achieve the above object, the utility model adopts the following technical scheme: there is provided a specimen holder with synchronized tension and compression, comprising:
the upper pull head is used for supporting a first test sample;
the lower pull head is arranged opposite to the upper pull head and used for supporting a second test sample;
the base is arranged between the upper pull head and the lower pull head, one end of the base is connected with the upper pull head, and the other end of the base is used for being connected with the second sample; when reverse external forces are applied to the upper pull head and the lower pull head respectively, the base is used for being matched with the upper pull head to compress the first test sample and being matched with the lower pull head to stretch the second test sample.
Further, go up the pull head including the connecting seat and with the first supporting seat that the connecting seat can be dismantled and be connected, the base include be used for with the cooperation of first supporting seat in order to support and compress the second supporting seat of first sample and with the fixing base that the second supporting seat can be dismantled and be connected.
Furthermore, the first supporting seat comprises a pressing plate for supporting the first sample and supporting plates extending from two ends of the pressing plate along a direction perpendicular to the pressing plate, the supporting plates are located on the same side of the pressing plate, and the supporting plates are detachably connected with the connecting seat; the second supporting seat comprises a transverse plate and vertical plates, the transverse plate is used for being matched with the pressing plate to compress the first sample, the vertical plates extend from two ends of the transverse plate in a direction perpendicular to the transverse plate respectively, the transverse plate is arranged between the two supporting plates, each vertical plate is located on one side, facing the pressing plate, of the transverse plate, and each vertical plate is detachably connected with the fixed seat.
Furthermore, the connecting seat is provided with mounting holes, each supporting plate is provided with a through hole matched with the mounting hole, and an upper supporting rod respectively penetrating through each through hole is arranged in each mounting hole; the fixing seat is provided with positioning holes, each vertical plate is provided with a through hole matched with the positioning hole, and the positioning holes are internally provided with lower supporting rods respectively penetrating through the through holes.
Furthermore, the connecting seat is provided with a first step part used for abutting against the free end of each supporting plate; the fixed seat is provided with a second step part used for abutting against the free end of each vertical plate.
Furthermore, a first groove used for positioning one end of the first sample is arranged on the pressing plate, and a second groove used for positioning the other end of the first sample is correspondingly arranged on the transverse plate.
Furthermore, a first connecting rod is mounted on the connecting seat, and a first external thread is arranged on the outer circumferential surface of the first connecting rod; and a second connecting rod is arranged on the lower pull head, and second external threads are arranged on the outer circumferential surface of the second connecting rod.
Furthermore, a first blind hole is formed in the side face, facing the lower pull head, of the fixing seat, and a second blind hole which is matched with the first blind hole to support and stretch the second sample is correspondingly formed in the lower pull head.
Furthermore, the inner side wall of the first blind hole is provided with a first internal thread, and the inner side wall of the second blind hole is provided with a second internal thread.
Another object of the present invention is to provide a creep testing machine, including the synchronous sample clamp of foretell tensile and compression.
The utility model provides a synchronous sample anchor clamps of tensile and compression and creep testing machine's beneficial effect lies in: compared with the prior art, the utility model discloses a set up the base between last pull head and lower pull head, first sample can set up between last pull head and base, and the second sample can set up between base and lower pull head. When the creep testing machine applies external force to the upper pull head and the lower pull head respectively, the upper pull head moves upwards relative to the base, and the upper pull head is matched with the base to compress the first sample so as to realize the compression creep test of the first sample; the lower pull head moves downwards relative to the base, and the lower pull head is matched with the base to stretch the second sample so as to realize the tensile creep test of the second sample. Therefore, the creep testing machine adopting the sample clamp can realize the compression creep test of the first sample and the tensile creep test of the second sample simultaneously, can enable the compression creep and the tensile creep to be carried out synchronously, and further greatly improves the creep test efficiency.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for the embodiments or the prior art descriptions will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.
Fig. 1 is a schematic structural diagram of a sample clamp for synchronous stretching and compressing provided in an embodiment of the present invention;
fig. 2 is an exploded schematic view of a sample clamp for stretching and compressing synchronously provided by an embodiment of the present invention;
fig. 3 is a schematic structural diagram of a connection seat according to an embodiment of the present invention;
fig. 4 is a schematic structural diagram of a first supporting seat according to an embodiment of the present invention;
fig. 5 is a schematic structural view of a second support seat according to an embodiment of the present invention;
fig. 6 is a schematic structural view of a fixing base according to an embodiment of the present invention;
fig. 7 is a schematic structural view of a lower slider according to an embodiment of the present invention.
Wherein, in the figures, the respective reference numerals:
1-pulling the head; 11-a connecting seat; 110-mounting holes; 111-upper support bar; 112-a first step; 113-a first connecting rod; 114-a first external thread; 12-a first support; 120-a via hole; 121-a pressing plate; 122-a support plate; 123-a first groove;
2-a base; 21-a fixed seat; 210-a via; 211-lower support bar; 212-a second step; 213-first blind hole; 22-a second support seat; 220-positioning holes; 221-a transverse plate; 222-a riser; 223-a second groove;
3-lower pull head; 31-a second connecting rod; 32-second external threads; 33-a second blind hole;
4-first sample; 5-second sample.
Detailed Description
In order to make the technical problem, technical solution and advantageous effects to be solved by the present invention more clearly understood, the following description is given in conjunction with the accompanying drawings and embodiments to illustrate the present invention in further detail. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or be indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or be indirectly connected to the other element.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.
In the description of the present invention, it is to be understood that the terms "center", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
Referring to fig. 1 to 7, a sample clamp for synchronously stretching and compressing according to an embodiment of the present invention will now be described. The sample clamp comprises an upper pull head 1, a lower pull head 3 arranged opposite to the upper pull head 1 and a base 2 arranged between the upper pull head 1 and the lower pull head 3. The upper pull head 1 is connected with the upper end of the base 2, and a first sample 4 can be installed at the connection part of the upper pull head 1 and the base 2; the lower extreme of base 2 and lower pull head 3 between be the interval setting, the interval between base 2 and the lower pull head 3 is used for installing second sample 5, and the one end of second sample 5 links to each other with the lower extreme of base 2, and the other end of second sample 5 links to each other with lower pull head 3. When the upper pull head 1 and the lower pull head 3 are respectively subjected to two opposite external forces of upward and downward, the upper pull head 1 moves upward relative to the base 2, and at the moment, the connection part of the upper pull head 1 and the base 2 compresses the first test sample 4, so that a compression creep test of the first test sample 4 can be realized; meanwhile, the lower pull head 3 moves downwards relative to the base 2, the lower pull head 3 and the base 2 stretch the second sample 5, and the tensile creep test of the second sample 5 can be realized.
Compared with the prior art, the utility model discloses a set up base 2 between last pull head 1 and lower pull head 3, first sample 4 can set up between last pull head 1 and base 2, and second sample 5 can set up between base 2 and lower pull head 3. When a creep testing machine applies external force to the upper pull head 1 and the lower pull head 3 respectively, the upper pull head 1 moves upwards relative to the base 2, and the upper pull head 1 is matched with the base 2 to compress the first test sample 4 so as to realize the compression creep testing of the first test sample 4; the lower pull head 3 moves downwards relative to the base 2, and the lower pull head 3 is matched with the base 2 to stretch the second test sample 5 so as to realize the tensile creep test of the second test sample 5. Therefore, the creep testing machine adopting the sample clamp can realize the compression creep test of the first sample 4 and the tensile creep test of the second sample 5 at the same time, can synchronously carry out the compression creep and the tensile creep, and further greatly improves the creep test efficiency.
Further, please refer to fig. 1 and fig. 2 together, as a specific implementation manner of the sample clamp for synchronous stretching and compressing provided by the embodiment of the present invention, the upper slider 1 includes a connecting seat 11 and a first supporting seat 12 detachably connected to the connecting seat 11, and the base 2 includes a second supporting seat 22 for cooperating with the first supporting seat 12 to support and compress the first sample 4 and a fixing seat 21 detachably connected to the second supporting seat 22. With the structure, the first sample 4 can be supported and compressed through the matching between the first support seat 12 and the second support seat 22; first supporting seat 12 can be dismantled with connecting seat 11 and be connected, and second supporting seat 22 can be dismantled with fixing base 21 and be connected, the dismouting of the first sample 4 of being convenient for, also be convenient for to the maintenance of going up pull head 1 and lower pull head 3.
Further, please refer to fig. 2, fig. 4 and fig. 5 together, as a specific implementation manner of the sample clamp for synchronously stretching and compressing provided by the embodiment of the present invention, the first supporting seat 12 includes a pressing plate 121 for supporting the first sample 4 and supporting plates 122 respectively extending from two ends of the pressing plate 121 along a direction perpendicular to the pressing plate 121, each supporting plate 122 is located at the same side of the pressing plate 121, and each supporting plate 122 is detachably connected to the connecting seat 11; the second supporting seat 22 includes a horizontal plate 221 for supporting and compressing the first sample 4 in cooperation with the pressing plate 121 and vertical plates 222 extending from two ends of the horizontal plate 221 in a direction perpendicular to the horizontal plate 221, the horizontal plate 221 is disposed between the two supporting plates 122, each vertical plate 222 is located on one side of the horizontal plate 221 facing the pressing plate 121, and each vertical plate 222 is detachably connected to the fixing seat 21.
Optionally, the first supporting seat 12 is a U-shaped structure, and a first groove 123 is formed between the two supporting plates 122; the second support seat 22 is also U-shaped, and a second groove 223 is formed between the two risers 222. When the device is installed, the pressing plate 121 is aligned with the second groove 223, the transverse plate 221 is aligned with the first groove 123, the pressing plate 121 and the transverse plate 221 extend into the second groove 223 and the first groove 123 respectively, the first groove 123 and the second groove 223 are arranged in a crossed mode, the pressing plate 121 and the transverse plate 221 are in a vertical relation, the open end of the first groove 123 faces upwards, the open end of the second groove 223 faces downwards, and the transverse plate 221 is located above the pressing plate 121. When the first sample 4 needs to be installed, the first support seat 12 or the second support seat 22 is separated, so that a space for installing the first sample 4 is reserved between the pressing plate 121 and the transverse plate 221.
With the structure, when the upper slider 1 and the lower slider 3 apply external force, the first support seat 12 and the second support seat 22 are pulled in opposite directions, and at the moment, the pressing plate 121 and the transverse plate 221 are pressed tightly, so that the first sample 4 can be compressed, and the compression creep test of the first sample 4 can be realized.
Further, please refer to fig. 2, fig. 4 and fig. 5 together, as a specific implementation manner of the sample clamp for synchronous stretching and compressing provided by the embodiment of the present invention, a mounting hole 110 is formed on the connecting seat 11, a through hole 120 adapted to the mounting hole 110 is formed on each supporting plate 122, and an upper supporting rod 111 passing through each through hole 120 is disposed in the mounting hole 110; the fixing base 21 is provided with a positioning hole 220, each vertical plate 222 is provided with a through hole 210 matched with the positioning hole 220, and the positioning hole 220 is internally provided with a lower support rod 211 penetrating through each through hole 210. With the structure, the first supporting seat 12 can be hinged with the connecting seat 11 through the upper supporting rod 111, and the first supporting seat 12 and the connecting seat 11 can be quickly disassembled and assembled; the second supporting seat 22 can be hinged to the fixed seat 21 through the lower supporting rod 211, and the second supporting seat 22 and the fixed seat 21 can be quickly disassembled and assembled.
Alternatively, the first supporting seat 12 and the connecting seat 11 may be integrally formed, the second supporting seat 22 may pass through the first groove 123 and then be connected and fixed with the fixed seat 21, and the integrally formed upper slider 1 has excellent mechanical properties, is convenient to process, and has low cost, which is not limited herein; or the second supporting seat 22 and the fixing seat 21 are integrally formed, the first supporting seat 12 can pass through the second groove 223 and then be connected and fixed with the connecting seat 11, and the integrally formed base 2 has excellent mechanical performance, is convenient to process and low in cost, and is not limited herein.
Alternatively, the upper support rod 111 may be a pin, and the lower support rod 211 may also be a pin, which is not limited herein.
Further, referring to fig. 2, fig. 3 and fig. 6, as a specific implementation of the sample clamp for synchronously stretching and compressing provided by the embodiment of the present invention, a first step portion 112 for abutting against the free end of each supporting plate 122 is provided on the connecting seat 11; the fixing base 21 is provided with a second step 212 for supporting the free end of each vertical plate 222. With the structure, each support plate 122 can be positioned through the first step part 112, and accurate alignment installation of each support plate 122 and the connecting seat 11 can be realized; each vertical plate 222 can be positioned by the second step part 212, and accurate alignment installation of each vertical plate 222 and the fixed seat 21 can be realized.
Further, as a specific implementation manner of the synchronous sample clamp for stretching and compressing provided by the embodiment of the present invention, a first groove 123 (not shown) for positioning one end of the first sample 4 is disposed on the pressing plate 121, and a second groove 223 (not shown) for positioning the other end of the first sample 4 is correspondingly disposed on the horizontal plate 221. This structure, through first recess 123 and second recess 223, can support the location to the both ends of first sample 4 respectively, can avoid first sample 4 to appear the phenomenon of sliding at the in-process of compression to lead to test data to have the deviation scheduling problem.
Further, please refer to fig. 3 and fig. 7 together, as a specific implementation of the sample clamp for synchronous stretching and compressing provided by the embodiment of the present invention, a first connecting rod 113 is installed on the connecting seat 11, and a first external thread 114 is disposed on an outer circumferential surface of the first connecting rod 113; the lower slider 3 is provided with a second connecting rod 31, and the outer circumferential surface of the second connecting rod 31 is provided with a second external thread 32. With the structure, when the upper pull head 1 and the lower pull head 3 are installed, the first external thread 114 on the first connecting rod 113 is in threaded connection with the corresponding position of the creep testing machine, so that the upper pull head 1 and the creep testing machine are fixedly connected, and the upper pull head 1 can be quickly assembled and disassembled; the second external thread 32 on the second connecting rod 31 is in threaded connection with the corresponding position of the creep testing machine, the lower pull head 3 is fixedly connected with the creep testing machine, and the lower pull head 3 can be quickly disassembled and assembled. Alternatively, the first connecting rod 113 is integrally formed with the connecting seat 11, and the second connecting rod 31 is integrally formed with the lower head 3, which is not limited herein.
Further, please refer to fig. 6 and fig. 7 together, as a specific implementation of the synchronous stretching and compressing sample clamp according to the embodiment of the present invention, a first blind hole 213 is disposed on a side of the fixing base 21 facing the lower slider 3, and a second blind hole 33 is correspondingly disposed on the lower slider 3 for supporting and stretching the second sample 5 in cooperation with the first blind hole 213. With this structure, when the second test sample 5 is mounted, one end of the second test sample 5 can be mounted and fixed in the first blind hole 213, and the other end of the second test sample 5 can be mounted and fixed in the second blind hole 33, and the first blind hole 213 and the second blind hole 33 can play a role in positioning and mounting the second test sample 5.
Further, as a specific implementation manner of the sample clamp for synchronous stretching and compressing provided by the embodiment of the present invention, the inner sidewall of the first blind hole 213 is provided with a first internal thread (not shown), and the inner sidewall of the second blind hole 33 is provided with a second internal thread (not shown). This structure, when preparation second sample 5, serve at second sample 5 and set up the external screw thread with first internal thread looks adaptation, set up the external screw thread with second internal thread looks adaptation at second sample 5's the other end, the external screw thread at second sample 5 accessible both ends realizes threaded connection and fixed with fixing base 21 and lower clutch 3 respectively, is convenient for to the quick assembly disassembly of second sample 5, connects reliably.
The utility model also provides a creep testing machine, including foretell tensile and the synchronous sample anchor clamps of compression. When the test sample clamp is installed, the first connecting rod 113 of the upper slider 1 is screwed and fixed with the corresponding position of the creep testing machine through the first external thread 114, the second connecting rod 31 of the lower slider 3 is screwed and fixed with the corresponding position of the creep testing machine through the second external thread 32, and then the base 2, the first test sample 4 and the second test sample 5 are installed. The creep test is carried out on the same pull rod, and the stress consistency of all parts in the creep process can be ensured. Alternatively, the specimen holder may be placed in the soaking zone of a split high-temperature furnace so that the temperature of the specimen holder has identity, and the first specimen 4 and the second specimen 5 may undergo compressive creep and tensile creep at the same temperature. According to the structure, in the test process, the compression and tensile creep conditions of the sample under different tension and different temperature conditions can be tested by adjusting the tension load values applied to the upper pull head 1 and the lower pull head 3 and the temperature in the high-temperature furnace. The creep testing machine using the sample clamp can simultaneously carry out compression creep testing and tensile creep testing on a sample, and can test the creep condition under the conditions of different tensile forces and different temperatures, so that the creep testing on the sample is greatly improved.
Optionally, when the sample is tested, an extensometer can be arranged on the sample, and the extensometer can measure and record the deformation of the sample; sensors can be arranged on the upper pull head 1 and the lower pull head 3, and the sensors can measure and record the size of the load; a temperature sensor can be arranged on the high-temperature furnace, and the temperature sensor can measure and record the temperature in real time. From the data recorded above, creep curves, stress-strain curves, etc. of the test specimen under different loads and different temperatures can be obtained.
The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.
Claims (10)
1. The utility model provides a synchronous sample anchor clamps of tensile and compression which characterized in that includes:
the upper pull head is used for supporting a first test sample;
the lower pull head is arranged opposite to the upper pull head and used for supporting a second test sample;
the base is arranged between the upper pull head and the lower pull head, one end of the base is connected with the upper pull head, and the other end of the base is used for being connected with the second sample; when reverse external forces are applied to the upper pull head and the lower pull head respectively, the base is used for being matched with the upper pull head to compress the first test sample and being matched with the lower pull head to stretch the second test sample.
2. The simultaneous tension and compression specimen holder of claim 1, wherein: go up the pull head including the connecting seat with the first supporting seat of connecting can be dismantled to the connecting seat, the base including be used for with the cooperation of first supporting seat is in order to support and compress the second supporting seat of first sample and with the fixing base of being connected can be dismantled to the second supporting seat.
3. The simultaneous tension and compression specimen holder of claim 2, wherein: the first supporting seat comprises a pressing plate for supporting the first sample and supporting plates which extend from two ends of the pressing plate along a direction perpendicular to the pressing plate, the supporting plates are located on the same side of the pressing plate, and the supporting plates are detachably connected with the connecting seat; the second supporting seat comprises a transverse plate and vertical plates, the transverse plate is used for being matched with the pressing plate to compress the first sample, the vertical plates extend from two ends of the transverse plate in a direction perpendicular to the transverse plate respectively, the transverse plate is arranged between the two supporting plates, each vertical plate is located on one side, facing the pressing plate, of the transverse plate, and each vertical plate is detachably connected with the fixed seat.
4. The simultaneous tension and compression specimen holder of claim 3, wherein: the connecting seat is provided with mounting holes, each supporting plate is provided with a through hole matched with the mounting hole, and an upper supporting rod penetrating through each through hole is arranged in each mounting hole; the fixing seat is provided with positioning holes, each vertical plate is provided with a through hole matched with the positioning hole, and the positioning holes are internally provided with lower supporting rods respectively penetrating through the through holes.
5. The simultaneous tension and compression specimen holder of claim 3, wherein: the connecting seat is provided with a first step part used for abutting against the free end of each supporting plate; the fixed seat is provided with a second step part used for abutting against the free end of each vertical plate.
6. The simultaneous tension and compression specimen holder of claim 3, wherein: the pressing plate is provided with a first groove used for positioning one end of the first sample, and the transverse plate is correspondingly provided with a second groove used for positioning the other end of the first sample.
7. The simultaneous tension and compression specimen holder of claim 2, wherein: a first connecting rod is arranged on the connecting seat, and a first external thread is arranged on the outer circumferential surface of the first connecting rod; and a second connecting rod is arranged on the lower pull head, and second external threads are arranged on the outer circumferential surface of the second connecting rod.
8. The simultaneous tension and compression specimen holder of claim 2, wherein: and a first blind hole is formed in the side surface, facing the lower pull head, of the fixing seat, and a second blind hole which is matched with the first blind hole to support and stretch the second sample is correspondingly formed in the lower pull head.
9. The simultaneous tension and compression specimen holder of claim 8, wherein: the inside wall of first blind hole is equipped with first internal thread, the inside wall of second blind hole is equipped with the second internal thread.
10. Creep testing machine, its characterized in that: comprising a simultaneous tensile and compressive specimen holder according to any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920402361.7U CN210108842U (en) | 2019-03-26 | 2019-03-26 | Synchronous sample anchor clamps of tensile and compression and creep testing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920402361.7U CN210108842U (en) | 2019-03-26 | 2019-03-26 | Synchronous sample anchor clamps of tensile and compression and creep testing machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210108842U true CN210108842U (en) | 2020-02-21 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920402361.7U Expired - Fee Related CN210108842U (en) | 2019-03-26 | 2019-03-26 | Synchronous sample anchor clamps of tensile and compression and creep testing machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210108842U (en) |
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2019
- 2019-03-26 CN CN201920402361.7U patent/CN210108842U/en not_active Expired - Fee Related
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Granted publication date: 20200221 |