CN212410267U - Tensile testing device under high temperature condition - Google Patents
Tensile testing device under high temperature condition Download PDFInfo
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- CN212410267U CN212410267U CN202020841333.8U CN202020841333U CN212410267U CN 212410267 U CN212410267 U CN 212410267U CN 202020841333 U CN202020841333 U CN 202020841333U CN 212410267 U CN212410267 U CN 212410267U
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Abstract
The utility model discloses a tensile test device under high temperature condition, comprises a workbench, the oven has been placed on the workstation, elevating system has been placed to the oven upper surface, elevating system is by placing bottom plate, the fixed mounting at the oven upper surface stand, the slip suit on the bottom plate are in slider, fixed mounting on the stand are in connecting rod on the slider constitutes, fixed mounting has the lift cylinder on the connecting rod, lift cylinder fixed mounting is on the connecting piece, connecting piece central authorities and oven upper surface all are equipped with the through-hole, inside lift cylinder output shaft passed the through-hole and gets into the oven, fixed mounting has accredited testing organization on the lift cylinder output shaft. The beneficial effects of the utility model are that, the testing process takes place inside the oven, can guarantee to carry out tensile or shear strength test under the condition that awaits measuring a temperature and keep invariable, and the device reliability is high and measure the accuracy.
Description
Technical Field
The utility model relates to a stress detection technical field, especially a tensile test device under high temperature condition.
Background
The purpose of the tensile test is to understand the ability of a material to resist elongation deformation and the properties of breaking when subjected to tensile forces, both in the elastic range and in the plastic range. The temperature is an important factor influencing the tensile property of the material, the material can show different tensile properties under different temperature conditions, and particularly, the material property can be greatly changed under the high-temperature condition. At present, most of material characteristics under high temperature conditions are tested by heating the material and then conveying the material to a testing mechanism, and in the testing process of the method, the temperature of the material can be changed, so that the measuring accuracy cannot be ensured.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the above problem, a tensile test device under high temperature condition has been designed, comprises a workbench, the oven has been placed on the workstation, elevating system has been placed to the oven upper surface, elevating system is by placing bottom plate, the fixed mounting at the oven upper surface stand, the slip suit on the bottom plate are in slider, fixed mounting on the stand are in connecting rod on the slider constitutes, fixed mounting has the lift cylinder on the connecting rod, lift cylinder fixed mounting is on the connecting piece, connecting piece central authorities and oven upper surface all are equipped with the through-hole, inside lift cylinder output shaft passed the through-hole and got into the oven, fixed mounting has accredited testing organization on the lift cylinder output shaft.
The testing mechanism is a shear strength testing mechanism and comprises a first chassis which is fixedly connected with the lower surface of the oven through bolts, a first supporting piece fixedly arranged on the first chassis, a supporting claw fixedly arranged on the first supporting piece through bolts, and a cutter fixedly arranged on the output shaft of the lifting cylinder through pin joint.
The testing mechanism is a tensile strength testing mechanism and consists of a second chassis which is fixedly connected with the lower surface of the oven through bolts, a second supporting piece fixedly arranged on the second chassis, a lower clamping jaw fixedly arranged on the second supporting piece and an upper clamping jaw fixedly arranged on the output shaft of the lifting cylinder through pin connection.
The upper clamping jaw is composed of a fixed connecting piece fixedly installed on the output shaft of the lifting cylinder and a clamp fixedly installed on the fixed connecting piece through a bolt, an internal thread is arranged on the clamp, and the lower clamping jaw is identical to the upper clamping jaw in structure.
The hot air device is arranged in the oven and consists of a fan and a heat exchanger which are arranged in the oven and a four-way scavenging valve which is connected and arranged on the outer wall of the oven through a pipeline, and an air inlet is arranged on the inner wall of the oven.
The drying oven is characterized in that a guide rail is fixedly mounted on the workbench, a rotating wheel is rotatably mounted on the lower surface of the drying oven, and the rotating wheel is located inside the guide rail.
The workbench is fixedly provided with a support column, the support column is provided with a sliding groove, and two ends of the connecting piece are located inside the sliding groove.
And a damping washer is arranged between the connecting piece and the upper surface of the oven.
Utilize the technical scheme of the utility model a high low temperature of preparation detects and integrative testing arrangement of pulling force, test mechanism tests the piece that awaits measuring that is located oven inside, and test mechanism partly passes through pin joint to be fixed on lift cylinder output shaft, and another part passes through bolted connection to be fixed at the oven lower surface, and the whole dismouting of test mechanism is convenient, both can test the shear strength of the piece that awaits measuring, also can test tensile strength. The test process is performed in the oven, so that the tensile strength or the shear strength can be tested under the condition that the temperature of the piece to be tested is kept constant, the test precision is improved, and the device is high in reliability and accurate in measurement.
Drawings
Fig. 1 is an isometric view of a tensile testing apparatus of the present invention under high temperature conditions;
fig. 2 is a side view of the tension testing device of the present invention under a high temperature condition;
fig. 3 is a front view of a testing mechanism of the tension testing device of the present invention under high temperature conditions;
fig. 4 is a schematic structural diagram of an oven of the tensile testing apparatus of the present invention under high temperature conditions;
in the figure, 1, a workbench; 2. an oven; 3. a lifting mechanism; 4. a base plate; 5. a column; 6. a slider; 7. a connecting rod; 8. a lifting cylinder; 9. a connecting member; 10. a through hole; 11. a testing mechanism; 12. a first chassis; 13. a first support member; 14. a support claw; 15. a cutter; 16. a second chassis; 17. a second support member; 18. a lower jaw; 19. an upper clamping jaw; 20. fixing the connecting piece; 21. a clamp; 22. an internal thread; 23. a hot air device; 24. a fan; 25. a heat exchanger; 26. a four-way scavenging valve; 27. an air inlet; 28. a guide rail; 29. a rotating wheel; 30. a support pillar; 31. a chute; 32. a cushion ring is provided.
Detailed Description
For a better understanding of the present invention, the following further description is given in conjunction with the following embodiments and accompanying drawings.
Example 1
As shown in fig. 1 and 2, the tensile testing device under the high-temperature condition comprises a workbench 1, an oven 2 is placed on the workbench 1, a lifting mechanism 3 is placed on the upper surface of the oven 2, the lifting mechanism 3 comprises a bottom plate 4 placed on the upper surface of the oven 2, an upright post 5 fixedly mounted on the bottom plate 4, a slider 6 slidably sleeved on the upright post 5, and a connecting rod 7 fixedly mounted on the slider 6, a lifting cylinder 8 is fixedly mounted on the connecting rod 7, the lifting cylinder 8 is fixedly mounted on a connecting piece 9, through holes 10 are formed in the center of the connecting piece 9 and the upper surface of the oven 2, an output shaft of the lifting cylinder 8 penetrates through the through hole 10 to enter the oven 2, and a testing mechanism 11 is fixedly mounted on the output shaft of the lifting cylinder 8. The sliding block 6 can vertically move on the upright post 5, and the up-and-down movement of the testing mechanism can be realized through the free movement of the sliding block 5.
The testing mechanism 11 is a shear strength testing mechanism, and the testing mechanism 11 is composed of a first chassis 12 fixed on the lower surface of the oven 2 through bolt connection, a first supporting part 13 fixedly installed on the first chassis 12, a supporting claw 14 fixedly installed on the first supporting part 13 through bolt connection, and a cutter 15 fixedly installed on the output shaft of the lifting cylinder 8 through pin connection. The object to be tested is horizontally placed on the supporting claw 14, and the lifting cylinder 8 controls the cutter 15 to vertically move up and down to test the shearing strength of the object to be tested.
The drying oven is characterized in that a guide rail 28 is fixedly mounted on the workbench 1, a rotating wheel 29 is rotatably mounted on the lower surface of the drying oven 2, the rotating wheel 29 is located inside the guide rail 28, a supporting column 30 is fixedly mounted on the workbench 1, a sliding groove 31 is formed in the supporting column 30, two ends of the connecting piece 9 are located inside the sliding groove 31, and a damping washer 32 is arranged between the connecting piece 9 and the upper surface of the drying oven 2. Horizontal movement of oven 2 can be achieved by rotation of wheel 29 and saves manpower. The slide groove 31 serves as a limit to ensure that the connecting element 9 moves vertically upwards or vertically downwards.
As shown in fig. 4, a hot air device 23 is arranged in the oven 2, the hot air device 23 is composed of a fan 24 and a heat exchanger 25 which are arranged inside the oven 2, and a four-way scavenging valve 26 which is connected and arranged on the outer wall of the oven 2 through a pipeline, and an air inlet 27 is arranged on the inner wall of the oven 2. The oven 2 is a hot air circulation oven, and the specific working principle is as follows: after the air blown out by the fan 24 enters the air duct and is sent to the heat exchanger 25, the temperature of the blown air is raised by the heat exchanger 25, the heated air enters the oven 2 through the air inlet 27 to heat the piece to be tested, and then the hot air enters the air duct again through the air inlet 27 on the other side and is sucked into the fan 24 again to be in a circulating state. After the oven 2 works for a period of time, the four-way scavenging valve 26 switches the gas circulation direction to discharge hot air in the air channel, external fresh air enters the air channel for supplement, after the external fresh air is supplemented for a period of time, the four-way reversing valve 26 resets, and the fresh air continues to circulate to heat the piece to be measured.
The device during operation, the high position of accredited testing organization 11 is adjusted manually earlier, accredited testing organization 11 heightens, remove testing organization 11 position department with oven 2 through runner 29, decline accredited testing organization 11 makes bottom plate 4 be located oven 2's upper surface, slider 6 makes connecting piece 9 be located oven 2 upper surface of moving downwards, then oven 2 work is to the piece that awaits measuring heating operation, after heating to specific temperature, through external computer control lift cylinder 8 work, fix accredited testing organization 11 on lift cylinder 8 output shaft and pass through-hole 10 and get into oven 2 inside, lift cylinder 8 control cutter 15 vertical migration carries out the shear strength test to the object that awaits measuring.
Example 2
As shown in fig. 3, the difference from embodiment 1 is that the testing mechanism 11 is a tensile strength testing mechanism, and the testing mechanism 11 is composed of a second base plate 16 fixed to the lower surface of the oven 2 by bolts, a second supporting member 17 fixedly mounted on the second base plate 16, a lower clamping jaw 18 fixedly mounted on the second supporting member 17, and an upper clamping jaw 19 fixedly mounted on the output shaft of the lifting cylinder 8 by pin joint. Oven 2 lower surface is equipped with the mounting groove, and first chassis 12 and second chassis 16 are all through screw connection fixed mounting in the mounting groove, can realize the replacement of shear strength accredited testing organization and tensile strength accredited testing organization through the installation on first chassis 12 and second chassis 16, and the installation is simple swift and convenient to detach.
As shown in fig. 3, the upper clamping jaw 19 is composed of a fixed connecting piece 20 fixedly mounted on the output shaft of the lifting cylinder 8, and a clamp 21 fixedly mounted on the fixed connecting piece 20 through bolt connection, wherein an internal thread 22 is arranged on the clamp 21, and the lower clamping jaw 18 and the upper clamping jaw 19 have the same structure. Anchor clamps 21 internal diameter is the same with a cross section radius size that awaits measuring, awaits measuring through internal thread 22 and anchor clamps 21 fixed connection, anchor clamps 21 body pass through bolted connection and fixed connection 20 fixed connection, thereby according to the difference of the different piece cross section radii that awaits measuring, thereby can change anchor clamps 21 of different internal diameters size wantonly and realize the test to different object tensile strength.
In this embodiment, test mechanism tests the piece that awaits measuring that is located the oven inside, and test mechanism partly passes through pin joint to be fixed on lift cylinder output shaft, and another part passes through bolted connection to be fixed at the oven lower surface, and the whole dismouting of test mechanism is convenient, both can test the shear strength of the piece that awaits measuring, also can test tensile strength. The test process is performed in the oven, so that the tensile strength or the shear strength can be tested under the condition that the temperature of the piece to be tested is kept constant, the test precision is improved, and the device is high in reliability and accurate in measurement.
Above-mentioned technical scheme has only embodied the utility model discloses technical scheme's preferred technical scheme, some changes that this technical field's technical personnel probably made to some parts wherein have all embodied the utility model discloses a principle belongs to within the protection scope of the utility model.
Claims (8)
1. A tensile force testing device under a high-temperature condition comprises a workbench (1), wherein an oven (2) is placed on the workbench (1), and the tensile force testing device is characterized in that a lifting mechanism (3) is placed on the upper surface of the oven (2), the lifting mechanism (3) is composed of a bottom plate (4) placed on the upper surface of the oven (2), a stand column (5) fixedly installed on the bottom plate (4), a sliding block (6) slidably sleeved on the stand column (5), and a connecting rod (7) fixedly installed on the sliding block (6), a lifting cylinder (8) is fixedly installed on the connecting rod (7), the lifting cylinder (8) is fixedly installed on a connecting piece (9), through holes (10) are formed in the center of the connecting piece (9) and the upper surface of the oven (2), an output shaft of the lifting cylinder (8) penetrates through the through holes (10) to enter the oven (2), and a testing mechanism (11) is fixedly arranged on an output shaft of the lifting cylinder (8).
2. The tension testing device under the high-temperature condition as claimed in claim 1, wherein the testing mechanism (11) is a shear strength testing mechanism, and the testing mechanism (11) comprises a first chassis (12) fixed on the lower surface of the oven (2) through bolt connection, a first supporting piece (13) fixedly installed on the first chassis (12), a supporting claw (14) fixedly installed on the first supporting piece (13) through bolt connection, and a cutter (15) fixedly installed on the output shaft of the lifting cylinder (8) through pin connection.
3. The tension testing device under the high-temperature condition according to claim 1, wherein the testing mechanism (11) is a tensile strength testing mechanism, and the testing mechanism (11) is composed of a second chassis (16) fixed on the lower surface of the oven (2) through bolt connection, a second supporting piece (17) fixedly installed on the second chassis (16), a lower clamping jaw (18) fixedly installed on the second supporting piece (17), and an upper clamping jaw (19) fixedly installed on an output shaft of the lifting cylinder (8) through pin connection.
4. The tension testing device under the high-temperature condition as claimed in claim 3, wherein the upper clamping jaw (19) is composed of a fixed connecting piece (20) fixedly installed on the output shaft of the lifting cylinder (8) and a clamp (21) fixedly installed on the fixed connecting piece (20) through bolt connection, an internal thread (22) is arranged on the clamp (21), and the lower clamping jaw (18) and the upper clamping jaw (19) are identical in structure.
5. The tension testing device under the high-temperature condition as claimed in claim 1, wherein a hot air device (23) is arranged in the oven (2), the hot air device (23) is composed of a fan (24) and a heat exchanger (25) which are arranged inside the oven (2) and a four-way scavenging valve (26) which is connected and arranged on the outer wall of the oven (2) through a pipeline, and an air inlet hole (27) is arranged on the inner wall of the oven (2).
6. The tension testing device under the high-temperature condition as recited in claim 1, wherein a guide rail (28) is fixedly installed on the workbench (1), a rotating wheel (29) is rotatably installed on the lower surface of the oven (2), and the rotating wheel (29) is located inside the guide rail (28).
7. The tension testing device under the high-temperature condition as claimed in claim 1, wherein a supporting column (30) is fixedly mounted on the workbench (1), a sliding groove (31) is formed in the supporting column (30), and two ends of the connecting piece (9) are located in the sliding groove (31).
8. The tension testing device under high temperature conditions according to claim 1, wherein a shock-absorbing gasket (32) is arranged between the connecting piece (9) and the upper surface of the oven (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020841333.8U CN212410267U (en) | 2020-05-19 | 2020-05-19 | Tensile testing device under high temperature condition |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020841333.8U CN212410267U (en) | 2020-05-19 | 2020-05-19 | Tensile testing device under high temperature condition |
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| Publication Number | Publication Date |
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| CN212410267U true CN212410267U (en) | 2021-01-26 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202020841333.8U Active CN212410267U (en) | 2020-05-19 | 2020-05-19 | Tensile testing device under high temperature condition |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112903173A (en) * | 2021-03-19 | 2021-06-04 | 中车青岛四方车辆研究所有限公司 | Tensile force testing device and method for eddy current brake |
| CN114166657A (en) * | 2021-11-22 | 2022-03-11 | 蚌埠市特种设备监督检验中心 | Device and method for testing shear strength of composite pipeline |
-
2020
- 2020-05-19 CN CN202020841333.8U patent/CN212410267U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112903173A (en) * | 2021-03-19 | 2021-06-04 | 中车青岛四方车辆研究所有限公司 | Tensile force testing device and method for eddy current brake |
| CN114166657A (en) * | 2021-11-22 | 2022-03-11 | 蚌埠市特种设备监督检验中心 | Device and method for testing shear strength of composite pipeline |
| CN114166657B (en) * | 2021-11-22 | 2023-07-25 | 蚌埠市特种设备监督检验中心 | Device and method for testing shear strength of composite pipeline |
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Effective date of registration: 20211207 Address after: 300000 No. 1 Guwang Road, Jingbin Industrial Park, Wuqing District, Tianjin Patentee after: Tianjin dameicheng Technology Co.,Ltd. Address before: 3-1 Guwang Road, Jingbin Industrial Park, Wuqing District, Tianjin Patentee before: Baoguang (Tianjin) Technology Development Co.,Ltd. |