CN210775007U - Clamp for thermal simulation testing machine plate tensile test - Google Patents
Clamp for thermal simulation testing machine plate tensile test Download PDFInfo
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- CN210775007U CN210775007U CN201921747120.2U CN201921747120U CN210775007U CN 210775007 U CN210775007 U CN 210775007U CN 201921747120 U CN201921747120 U CN 201921747120U CN 210775007 U CN210775007 U CN 210775007U
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- side walls
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- 238000012360 testing method Methods 0.000 title claims abstract description 32
- 238000004088 simulation Methods 0.000 title claims abstract description 29
- 238000009864 tensile test Methods 0.000 title claims abstract description 21
- 239000000463 material Substances 0.000 claims abstract description 9
- 238000009434 installation Methods 0.000 claims description 12
- 230000007704 transition Effects 0.000 claims description 10
- 230000015572 biosynthetic process Effects 0.000 abstract 1
- 238000005266 casting Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 235000010724 Wisteria floribunda Nutrition 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000012669 compression test Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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Abstract
The utility model discloses anchor clamps for thermal simulation testing machine panel tensile test belongs to the material mechanics test device field, and the purpose is firm centre gripping panel sample, improves experimental degree of accuracy. Comprises a connecting chuck and a clamp body; the clamp body comprises a bottom base, side walls on two sides and a top cover plate, the side walls are L-shaped, the side walls on the two sides and the base surround to form a groove with an open top, the outer end of the groove is provided with an opening, and the projection of the groove on the base is T-shaped; the side walls on the two sides are respectively provided with a first mounting hole, a second mounting hole is formed in the cover plate corresponding to the first mounting hole, and the cover plate is detachably mounted at the open top of the groove through screws mounted in the first mounting holes and the second mounting holes. The utility model discloses, hold the clamping part of panel sample through the recess, recess T shape sets up and makes automatic formation spacing between recess and the sample, realizes the fixed of sample through the bolted connection apron with the lateral wall, has avoided processing hole on the sample, has improved tensile test's the degree of accuracy.
Description
Technical Field
The utility model belongs to the material mechanics test device field, it is that heat simulation testing machine panel anchor clamps for tensile test specifically.
Background
A thermemastor thermal simulation testing machine manufactured by fuji electric wave corporation of japan is one of advanced thermal simulation apparatuses in the world, and can perform tests such as thermal simulation compression, tension, and the like. However, the clamping device for clamping the sample, which is provided on the thermemastor thermal simulation testing machine, mainly adopts a structure as shown in fig. 1, which includes a chuck device 5 and paired clamping blocks 6, which are oppositely arranged on the left and right, each pair of clamping blocks 6 includes a front clamping block 61 and a rear clamping block 62, the front clamping block and the rear clamping block are provided with semicircular through grooves on one side facing the sample, the semicircular through grooves of the front clamping block and the rear clamping block relatively enclose a circular through hole 63, the round bar-shaped sample is placed in the circular through hole, and the front clamping block and the rear clamping block are tightly fastened to the chuck device 5 through bolts and are in close contact with the sample to clamp the sample. The structure of the clamping device is only designed for the tensile and compression tests of the bar, and the requirements of the tensile test of the plate and strip materials are not met. In addition, when the Thermecmass thermal simulation testing machine adopts a round bar sample to carry out a tensile test, the distance between the left clamping block and the right clamping block is the tensile length of the round bar sample, the diameter of the round bar sample is matched with the semicircular through grooves of the front clamping block and the rear clamping block, the length of the sample reaches 14 cm, and the maximum diameter reaches 1.8 cm, so that the requirement on the size of an ingot prepared by an exploratory test is high, and if the quality of the ingot does not reach the expected performance, the loss of the testing cost is large.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a thermal simulation testing machine panel anchor clamps for tensile test can firmly centre gripping panel sample, reduces the sample size, practices thrift experimental cost, improves experimental degree of accuracy.
The utility model adopts the technical proposal that: the clamp for the thermal simulation testing machine plate tensile test comprises a connecting chuck, a chuck connecting rod and a clamp body for mounting a sample; one end of the chuck connecting rod is connected with the connecting chuck, and the other end of the chuck connecting rod is connected with the clamp body; the clamp body comprises a base at the bottom, side walls at two sides and a cover plate at the top, the side walls are L-shaped, a groove with an opening at the top and an outer end is formed by the side walls at the two sides and the base in an enclosing mode, and the projection of the groove on the base is T-shaped; the side walls on two sides are respectively provided with a first mounting hole, a second mounting hole is formed in the cover plate corresponding to the first mounting hole, and the cover plate is detachably mounted at the open top of the groove through screws mounted in the first mounting holes and the second mounting holes.
Furthermore, an installation groove which is concave inwards along the axial direction of the chuck device is arranged on the chuck device of the thermal simulation testing machine, the connecting chuck is matched with the installation groove, and the connecting chuck is inserted into the installation groove; the chuck connecting rod is arranged in the circular through hole of the clamping block; the outer diameter of the connecting chuck is larger than the diameter of the circular through hole of the clamping block of the thermal simulation testing machine, and one end of the clamping block, which is adjacent to the chuck device, abuts against one end of the connecting chuck, which is adjacent to the chuck connecting rod, to form a limiting structure of the connecting chuck.
Furthermore, arc-shaped transition protruding towards the inside of the groove is arranged between the groove and the opening.
Further, the anchor clamps body still includes the back end plate, the rear end of base and lateral wall all extends to the back end plate and fixes as an organic whole with the back end plate.
Furthermore, the top surface of the rear end plate is higher than the top surface of the side wall, and the chuck connecting rod is fixed on the rear end plate of the clamp body.
The utility model has the advantages that: the utility model can effectively utilize the plate sample to test through the clamping part for accommodating the plate sample in the groove of the clamp body, thereby reducing the test cost; the projection of the groove on the base is in a T shape, so that the transition position between the groove and the opening and the transition position between the clamping part and the stretching part are contacted to form limiting, and the plate sample is prevented from being pulled away from the groove in the stretching process; the cover plate and the side wall are connected through the screws to fix the plate sample, so that holes are prevented from being machined in the plate sample, and the accuracy of a tensile test of the plate sample is improved; through the setting of chuck connecting rod and anchor clamps body, effectively shortened the length of sample.
Drawings
FIG. 1 is a prior art schematic;
FIG. 2 is a schematic view of the assembly of the present invention;
FIG. 3 is a schematic structural view of the present invention;
fig. 4 is an installation schematic diagram of the present invention.
In the figure, a connecting chuck 1, a clamp body 2, a base 21, a side wall 22, a cover plate 23, a rear end plate 24, a groove 25, an opening 26, an arc transition 27, a first mounting hole 28, a second mounting hole 29, a chuck connecting rod 3, a plate sample 4, a chuck device 5, a mounting groove 51, a clamping block 6, a front clamping block 61, a rear clamping block 62 and a circular through hole 63 are arranged.
Detailed Description
The invention is further described below with reference to the accompanying drawings:
the clamp for the thermal simulation testing machine plate tensile test comprises a connecting clamp 1, a clamp connecting rod 3 and a clamp body 2 for mounting a sample, as shown in figures 2 and 3; one end of the chuck connecting rod 3 is connected with the connecting chuck 1, and the other end of the chuck connecting rod is connected with the clamp body 2; the clamp body 2 comprises a base 21 at the bottom, side walls 22 at two sides and a cover plate 23 at the top, wherein the side walls 22 are L-shaped, a groove 25 which is open at the top and has an opening 26 at the outer end is formed by the side walls 22 at two sides and the base 21, and the projection of the groove 25 on the base 21 is T-shaped; the side walls 22 on the two sides are respectively provided with a first mounting hole 28, the cover plate 23 is provided with a second mounting hole 29 corresponding to the first mounting hole 28, and the cover plate 23 is detachably mounted at the open top of the groove 25 by being mounted on the first mounting hole 28 and the second mounting hole 29 through screws.
The utility model discloses, connection chuck 1 is used for installing in thermemastor thermal simulation testing machine, and for the cylinder shape, the periphery has the chamfer. The jig body 2 is used for holding a plate sample 4. As shown in fig. 2 or fig. 3, the plate sample generally includes clamping portions at two ends and a stretching portion in the middle, the clamping portion is square, the clamping portion and the stretching portion are in concave arc transition, and the clamping portion is used for being connected with the clamp body 2, so that the plate sample 4 is clamped in a thermemastor thermal simulation testing machine for a tensile test. The groove 25 of the fixture body 2 is used for accommodating the clamping part of the plate sample 4, so the shape of the groove 25 is matched with the shape of the clamping part of the plate sample 4. The opening 26 at the outer end of the groove 25 is then used for the passage of the drawn part of the sheet sample 4. The projection of the groove 25 on the base 21 is in a T shape, so that the contact between the transition between the groove 25 and the opening 26 and the transition between the clamping part and the stretching part form a limit position, and the plate sample 4 is prevented from being pulled away from the groove 25 in the stretching process. Wherein, the outer end of the groove 25 corresponds to the inner end of the groove 25, and the inner end of the groove 25 is one end of the groove 25 adjacent to the chuck connecting rod 3. The cover plate 23 is arranged at the opening of the groove 25, the clamping part of the plate sample 4 is firmly pressed in the groove 25, the cover plate 23 is arranged at the opening of the top of the groove 25 through the first mounting hole 28 and the second mounting hole 29, the cover plate 23 is detachably mounted, and the plate sample 4 is convenient to replace. And the first mounting hole 28 is arranged on the side wall 22, so that holes are prevented from being processed on the plate sample 4, and the accuracy of the tensile test of the plate sample 4 is improved. Of course, in order to firmly fix the plate material sample 4, the depth of the groove 25 is less than or equal to the thickness of the plate material sample 4.
In order to simplify the installation structure of the clamp disclosed by the present invention and facilitate the assembly and disassembly, preferably, as shown in fig. 4, an installation groove 51 recessed along the axial direction is provided on the chuck device 5 of the thermal simulation testing machine, the connection chuck 1 is adapted to the installation groove 51, and the connection chuck 1 is inserted into the installation groove 51; the chuck connecting rod 3 is arranged in the circular through hole 63 of the clamping block 6; the outer diameter of the connecting chuck 1 is larger than the diameter of a circular through hole 63 of a clamping block 6 of the thermal simulation testing machine, and one end, adjacent to a chuck device 5, of the clamping block 6 abuts against one end, adjacent to a chuck connecting rod 3, of the connecting chuck 1 to form a limiting structure of the connecting chuck 1.
The utility model discloses, utilize chuck device 5 and the grip block 6 of thermal simulation testing machine self to realize the installation of anchor clamps, little to the change of thermal simulation testing machine, mounting structure is simple. The utility model discloses, because chuck connecting rod 3 passes the circular through-hole 63 of grip block 6 and is connected with anchor clamps body 2, panel sample 4 is installed on anchor clamps body 2, and panel sample 4's length is shortened.
In order to increase the contact area between the sample and the recess 25, it is preferred that a circular arc-shaped transition 27 is provided between the recess 25 and the opening 26, which transition is convex towards the inside of the recess 25.
Preferably, the clamp further comprises a chuck connecting rod 3, one end of the chuck connecting rod 3 is fixedly connected with the connecting chuck 1, and the other end of the chuck connecting rod 3 is fixedly connected with the clamp body 2.
In order to facilitate connection with the chuck connecting rod 3 and ensure the overall strength of the fixture body 2, preferably, the fixture body 2 further comprises a rear end plate 24, the rear ends of the base 21 and the side wall 22 both extend to the rear end plate 24 and are fixed with the rear end plate 24 into a whole, and the chuck connecting rod 3 is fixed on the rear end plate 24 of the fixture body 2.
The top surface of the rear end plate 24 may be flush with the top surface of the side wall 22, but if so provided, the thickness of the base 21 is thicker, thereby increasing the overall weight of the jig body 2. In order to ensure that the connection to the collet linkage 3 is ensured, it is only possible to reduce the overall weight of the clamp body 2, it being preferred that the top surface of the rear end plate 24 is higher than the top surface of the side wall 22. According to the structure, the height from the bottom surface to the top surface of the rear end plate 24 is large, the welding requirement of the chuck connecting rod 3 can be well met, and the top surface of the rear end plate 24 and the top surface of the side wall 22 are hollowed out, so that materials between the top surface of the rear end plate 24 and the top surface of the side wall 22 are saved, and the whole weight of the clamp body 2 is reduced.
Example 1:
internal company adopts the utility model discloses a thermal simulation testing machine panel tensile test anchor clamps carry out sheet metal tensile test. Wherein, the connecting chuck 1 is cylindrical, the diameter of the connecting chuck is 18mm, and the length of the connecting chuck is 10 mm; the chuck connecting rod 3 is cylindrical, the diameter of the chuck connecting rod is 10mm, and the length of the chuck connecting rod is 20 mm; the length of the clamp body 2 is 25mm, the width is 20mm, and the height is 10 mm; the cover plate 23 is 25mm in length and 15mm in width; the length of the plate sample 4 is 70mm, the width is about 15mm, the thickness is 2mm, the plate sample 4 is placed into the clamp body 2, and the gap between the plate sample 4 and the clamp body is 0.1mm, so that the goodness of fit between the plate sample and the clamp body is guaranteed. The length of the heated and stretched part of the plate sample 4 total length tensile sample is about 40mm, the size ensures the goodness of fit with an induction heating coil of a Thermecastor thermal simulation testing machine, and the phenomenon of electric conduction caused by the close proximity of the two parts is prevented. Meanwhile, the clamp reduces the length and the volume of the tensile sample, greatly saves the needed ingot casting materials and saves the cost of casting ingots.
Claims (5)
1. Thermal simulation test machine panel anchor clamps for tensile test, its characterized in that: the device comprises a connecting chuck (1), a chuck connecting rod (3) and a clamp body (2) for mounting a sample; one end of the chuck connecting rod (3) is connected with the connecting chuck (1), and the other end of the chuck connecting rod is connected with the clamp body (2); the clamp body (2) comprises a base (21) at the bottom, side walls (22) at two sides and a cover plate (23) at the top, wherein the side walls (22) are L-shaped, a groove (25) with an opening (26) at the top and at the outer end is formed by the side walls (22) at the two sides and the base (21) in an enclosing mode, and the projection of the groove (25) on the base (21) is T-shaped; the side walls (22) on the two sides are respectively provided with a first mounting hole (28), a second mounting hole (29) is arranged on the cover plate (23) corresponding to the first mounting hole (28), and the cover plate (23) is detachably mounted at the open top of the groove (25) by being mounted on the first mounting hole (28) and the second mounting hole (29) through screws.
2. The jig for the tensile test of the thermal simulation test machine plate according to claim 1, characterized in that: an installation groove (51) which is concave inwards along the axial direction of the chuck device (5) of the thermal simulation testing machine is arranged on the chuck device, the connecting chuck (1) is matched with the installation groove (51), and the connecting chuck (1) is inserted into the installation groove (51); the chuck connecting rod (3) is arranged in a circular through hole (63) of the clamping block (6); the outer diameter of the connecting chuck (1) is larger than the diameter of a circular through hole (63) of a clamping block (6) of the thermal simulation testing machine, and one end, adjacent to the chuck device (5), of the clamping block (6) abuts against one end, adjacent to the chuck connecting rod (3), of the connecting chuck (1) to form a limiting structure of the connecting chuck (1).
3. The jig for the tensile test of the thermal simulation tester sheet material according to claim 1 or 2, characterized in that: and a circular arc transition (27) protruding into the groove (25) is arranged between the groove (25) and the opening (26).
4. The jig for the tensile test of the thermal simulation tester sheet material according to claim 1 or 2, characterized in that: the clamp body (2) further comprises a rear end plate (24), and the rear ends of the base (21) and the side walls (22) extend to the rear end plate (24) and are fixed with the rear end plate (24) into a whole.
5. The jig for the tensile test of the thermal simulation test machine plate according to claim 4, characterized in that: the top surface of the rear end plate (24) is higher than the top surface of the side wall (22), and the chuck connecting rod (3) is fixed on the rear end plate (24) of the clamp body (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921747120.2U CN210775007U (en) | 2019-10-17 | 2019-10-17 | Clamp for thermal simulation testing machine plate tensile test |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921747120.2U CN210775007U (en) | 2019-10-17 | 2019-10-17 | Clamp for thermal simulation testing machine plate tensile test |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210775007U true CN210775007U (en) | 2020-06-16 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921747120.2U Expired - Fee Related CN210775007U (en) | 2019-10-17 | 2019-10-17 | Clamp for thermal simulation testing machine plate tensile test |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210775007U (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112504827A (en) * | 2020-11-30 | 2021-03-16 | 天津大学 | Quick clamp suitable for closed environment |
| CN112611649A (en) * | 2020-11-09 | 2021-04-06 | 中国航空工业集团公司沈阳飞机设计研究所 | Unconventional test piece loading device in high-temperature environment |
| CN112945711A (en) * | 2021-01-22 | 2021-06-11 | 吉林大学 | Special fixture for multi-angle tensile test of sheet butt welding seam |
| CN113447352A (en) * | 2021-06-28 | 2021-09-28 | 陕西大工旭航电磁科技有限公司 | Electromagnetic loading novel medium strain rate impact tensile test system and test method thereof |
| CN114034586A (en) * | 2021-11-11 | 2022-02-11 | 华东理工大学 | Low-temperature fatigue test system for micro sample |
| CN114659877A (en) * | 2022-02-24 | 2022-06-24 | 大连理工大学 | Clamp, device and method for electrically stretching plate |
| CN115406751A (en) * | 2022-10-31 | 2022-11-29 | 核工业西南物理研究院 | Welding type conduction experiment clamp for high-temperature superconducting cable and method thereof |
-
2019
- 2019-10-17 CN CN201921747120.2U patent/CN210775007U/en not_active Expired - Fee Related
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112611649A (en) * | 2020-11-09 | 2021-04-06 | 中国航空工业集团公司沈阳飞机设计研究所 | Unconventional test piece loading device in high-temperature environment |
| CN112504827A (en) * | 2020-11-30 | 2021-03-16 | 天津大学 | Quick clamp suitable for closed environment |
| CN112945711A (en) * | 2021-01-22 | 2021-06-11 | 吉林大学 | Special fixture for multi-angle tensile test of sheet butt welding seam |
| CN113447352A (en) * | 2021-06-28 | 2021-09-28 | 陕西大工旭航电磁科技有限公司 | Electromagnetic loading novel medium strain rate impact tensile test system and test method thereof |
| CN114034586A (en) * | 2021-11-11 | 2022-02-11 | 华东理工大学 | Low-temperature fatigue test system for micro sample |
| CN114659877A (en) * | 2022-02-24 | 2022-06-24 | 大连理工大学 | Clamp, device and method for electrically stretching plate |
| CN114659877B (en) * | 2022-02-24 | 2023-08-11 | 大连理工大学 | Clamp, device and method for electrified stretching of plate |
| CN115406751A (en) * | 2022-10-31 | 2022-11-29 | 核工业西南物理研究院 | Welding type conduction experiment clamp for high-temperature superconducting cable and method thereof |
| CN115406751B (en) * | 2022-10-31 | 2023-02-03 | 核工业西南物理研究院 | Welding type conduction experiment fixture for high-temperature superconducting cable and method thereof |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200616 |
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| CF01 | Termination of patent right due to non-payment of annual fee |