CN212159443U - Fatigue, creep and slow tensile testing machine in multifunctional environment - Google Patents
Fatigue, creep and slow tensile testing machine in multifunctional environment Download PDFInfo
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- CN212159443U CN212159443U CN202020470643.3U CN202020470643U CN212159443U CN 212159443 U CN212159443 U CN 212159443U CN 202020470643 U CN202020470643 U CN 202020470643U CN 212159443 U CN212159443 U CN 212159443U
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Abstract
The utility model relates to a fatigue, creep and slow tensile testing machine in a multifunctional environment, which comprises a frame, a stress loading device, a sample stress testing device, an experimental kettle and an environmental box, wherein the stress loading device is arranged at the upper part of the frame and can do lifting motion on the frame; the sample stress test device is connected below the stress loading device, and a sample of the sample stress test device is loaded with stress through the stress loading device; the environmental container and the experimental kettle of the environmental box can be arranged at the lower part of the frame in an exchangeable mode, and the sample stress test device can move downwards along with the stress loading device and is immersed into the experimental kettle or the environmental container. The utility model discloses satisfying under the multiple environment can all carry out the experimental condition of material, still can practice thrift fund, space etc. for the laboratory through the mode of sharing completely.
Description
Technical Field
The utility model relates to a stress corrosion test equipment, in particular to fatigue, creep, slow tensile test machine under multi-functional environment.
Background
In various material research fields, test equipment is required to be used for continuously and repeatedly carrying out tests, and conclusions are drawn continuously and repeatedly according to test results so as to judge the performance of the material. Of course, the same is true for stress corrosion testing of materials under various environments, and the loading forms of stress mainly include fatigue, creep, slow rate tension, and the like.
At present, the existing stress corrosion testing machine adopts a kettle body and a tested sample which are arranged on a rack, and a part of loading force is arranged below the rack (please refer to the application number 201810301893.1 published by the national intellectual property office and the name of the invention is multiaxial loading stress corrosion testing equipment), and the kettle body can be lifted and lowered along the rack. Because the cauldron body is above, in order to prevent the cauldron body to drop, consequently, the fixed mounting structure of the cauldron body is very complicated, and then caused when needs adopt different environment cauldron bodies, the dismantlement of the cauldron body just is very complicated and dangerous. And the opening of the kettle body faces downwards, so that the test of the experimental environment of metal solution such as lead-bismuth melt, molten salt and the like cannot be realized. In addition, the volume of the environment boxes such as a salt spray test box, a temperature and humidity test box and the like is relatively large, and the whole environment box adopts an integral structure, so that the whole environment box cannot be combined with the existing testing machine to realize the corrosion tests such as fatigue, creep, slow stretching and the like on the materials in the environments such as salt spray, high and low temperature damp and hot and the like. Therefore, the existing test mode can only be respectively customized to correspond to a set of brand-new test equipment according to different environments, and great waste is caused.
In addition, many stress corrosion tests in different test environments basically adopt a specially customized scheme, similar test equipment cannot be unified, and due to the fact that many laboratories are lack of funds, laboratory space and various resources, a set of brand-new test equipment cannot be purchased in each test environment.
SUMMERY OF THE UTILITY MODEL
The utility model provides a fatigue, creep, slow tensile test machine under multi-functional environment is under the sample is in metal solution environment such as lead bismuth, fused salt, or is in under the condition of test environment such as high and low temperature, warm and humid alternation, high and low temperature impact, salt fog, ozone ageing, can carry out stress loading to the sample, and then realizes fatigue, creep or tests such as slow speed tensile under these environment. The utility model discloses still utilize ingenious mode to carry out the unification, modularization and the standardization of each side with the structure, satisfying under the multiple environment can all carry out the experimental condition of material, still can practice thrift fund, space etc. for the laboratory through the mode of sharing completely.
In order to solve the problems, the utility model provides a fatigue, creep and slow tensile testing machine in a multifunctional environment, which comprises a frame, a stress loading device, a sample stress testing device, an experimental kettle and an environmental box, wherein the stress loading device is arranged at the upper part of the frame and can do lifting motion on the frame; the sample stress test device is positioned below the stress loading device and connected with the stress loading device, and a sample of the sample stress test device is loaded with stress through the stress loading device; the environmental container and the experimental kettle of the environmental box can be alternatively arranged at the lower part of the frame, and the sample stress test device can move downwards along with the stress loading device and is immersed in the experimental kettle or the environmental container.
Preferably, the stress loading device comprises a first mounting plate for mounting the stress loading device on the rack, and the sample stress testing device comprises a second mounting plate fixedly connected below the first mounting plate through a plurality of support rods.
Preferably, the rack comprises a bottom mounting frame and a plurality of upright posts, the upright posts are fixedly arranged above the bottom mounting frame, and the first mounting plate is slidably arranged on the upright posts;
and a lifting driving device is arranged on the bottom mounting frame and is in driving connection with the first mounting plate.
Preferably, the first mounting plate is slidably disposed on the plurality of columns through a plurality of linear bearings.
Preferably, the bottom mounting frame comprises a lower bottom plate and an upper mounting panel, and the lower bottom plate and the upper mounting panel are fixedly connected through a plurality of supporting columns;
the bottom ends of the plurality of upright posts are fixedly connected to the upper mounting panel;
the lifting driving device comprises at least one lifting cylinder, the lifting cylinder is fixedly arranged on the lower bottom plate, and the output end of the lifting cylinder faces upwards and is fixedly connected with the first mounting plate;
the ports of the experimental kettle and the environmental container are upward, the upper mounting panel is provided with a through hole, and the ports of the experimental kettle and the environmental container can be replaceably mounted on the through hole.
Preferably, when the sample stress test device is immersed in the experimental kettle or the environmental container, the experimental kettle or the environmental container is sealed through a sealing ring.
Preferably, a mounting flange is fixedly arranged on a port of the experimental kettle, the mounting flange is fixedly arranged on the upper mounting panel through a threaded fastener, and the port of the experimental kettle is communicated with the through hole;
and a sealing ring is arranged on the mounting flange, and when the sample stress test device is immersed in the experiment kettle, a closed kettle body is formed by the sealing ring and the experiment kettle.
Preferably, a transition piece is fixedly arranged on a port of the environment container, the transition piece is fixedly arranged on the upper mounting panel through a threaded fastener, and the port of the environment container is communicated with the through hole;
and a sealing ring is arranged on the transition piece, and when the sample stress test device is immersed in the environment container, a closed environment is formed by the sealing ring and the environment container.
Preferably, the experimental kettle is filled with metal solution.
Preferably, the environment box is a salt spray environment box or a high-low temperature damp-heat environment box.
Compared with the prior art, the utility model discloses there are following technological effect:
1. the utility model discloses set up the upper portion in the frame with stress loading device, stress loading device can promote or the descending motion in the frame, the sample stress test device of being connected with stress loading device can do fatigue, creep and slow tensile experiment, sample stress test device promotes or the descending motion along with stress loading device in the frame, according to the difference of experimental environment, install the lower part in the frame with the environment container replacement of experiment cauldron and environment case, because of trying the lower part at the frame all installed with the environment container, it is more convenient to make it dismantle and change.
2. The experimental kettle of the utility model is arranged at the lower part of the frame, and when the experiment needs to be carried out under the environmental conditions such as lead bismuth solution, the existing experimental kettle can be directly used; when carrying out for example salt fog environment, the test under environment such as high low temperature damp and hot, only need with salt fog environment case, the environment container in high low temperature damp and hot environment case etc. with the experiment cauldron change can, just so can share whole experiment host computer (frame, stress loading device and sample stress test device) except that the experiment cauldron, practiced thrift capital cost, space cost etc. greatly, also further will equipment unification, modularization, standardization.
3. When the sample does not need to be subjected to a loading force value test, the environment container of the environment box is only needed to be placed into the original complete machine of the environment box, the environment box can still be used independently, and the original testing machine without the replacement of the experimental kettle can still be subjected to stress corrosion tests in environments such as high temperature, high pressure, lead and bismuth melt and the like.
4. This device will experiment the cauldron installation and place the lower part in the frame, dismantle convenient more succinctly when changing the cauldron body of different environment, place the upper portion in the frame to contrast traditional experiment cauldron, because the cauldron mouth of experiment cauldron is down, and a lot of environments can't realize like the experiment of metallic environment such as lead bismuth melt, and it is complicated to dismantle in addition.
5. The stress loading device and the sample stress test device can ascend and descend along the upright column, so that the test container can be conveniently replaced at the lower part, and the sample can be conveniently installed or detached.
Drawings
Fig. 1 is a schematic structural diagram of a fatigue, creep and slow tensile testing machine in a multifunctional environment in a metal solution environment such as lead, bismuth or molten salt according to a preferred embodiment of the present invention;
fig. 2 is a schematic structural diagram of a fatigue, creep and slow tensile testing machine in a multifunctional environment under salt spray, high and low temperature and humidity environments according to a preferred embodiment of the present invention;
fig. 3 is a cross-sectional view of a fatigue, creep, slow tensile testing machine in a multifunctional environment according to a preferred embodiment of the present invention.
Detailed Description
The following detailed description is made with reference to the accompanying drawings, which illustrate an embodiment.
Referring to fig. 1 to 3, a multifunctional environmental fatigue, creep and slow tensile testing machine includes a frame 4, a stress loading device 1, a sample stress testing device 3, an experimental kettle 2 and an environmental box 6:
Metal solution such as lead bismuth, fused salt are equipped with in the experiment cauldron 2, environment case 6 is the environment case of environment such as high low temperature, warm and humid alternation, high low temperature impact, salt fog, ozone ageing, carries out fatigue, creep or slow tensile test to the sample under to various different environment for the realization, environment container 601 and the experiment cauldron 2 replacement of environment case 6 set up the lower part of frame 4 the utility model discloses a, environment container 601 and the port of experiment cauldron 2 of environment case 6 (being the container mouth of environment container 601 and the cauldron mouth of experiment cauldron 2) all set up towards, when experimental, sample stress test device 3 is along with stress loading device 1 downstream, and sink into in experiment cauldron 2 or the environment container 601.
In this embodiment, please refer to the application No. 201621141548.9 published by the intellectual property office for the specific structure of the stress loading device 1, which is a utility model patent named as a stress loading device 1 with integrated control.
The stress loading device 1 comprises a first mounting plate 102 for mounting the stress loading device 1 on the rack 4, and the sample stress testing device 3 comprises a second mounting plate 309, wherein the second mounting plate 309 is fixedly connected below the first mounting plate 102 through a plurality of support rods 101. In this embodiment, the upper and lower ends of the supporting rod 101 are fixedly connected to the first mounting plate 102 and the second mounting plate 309 by means of screw threads. The loading bolt 103 in the stress loading device 1 moves up and down to apply force to the sample 306, the loading bolt 103 is fixedly connected with the loading shaft 302 of the sample stress test device 3 in a threaded connection mode through a transition piece, the loading shaft 302 is connected with a connector 307 in a threaded connection mode, the connector 307 is fixedly connected with the sample loading rod 303 in a threaded connection mode, the sample loading rod 303 is connected with the upper sample clamp head 305 in a threaded connection mode, the upper end and the lower end of the sample 306 are respectively connected with the upper sample clamp head 305 and the lower sample clamp head 305 through connectors, the lower end of the lower sample clamp head 305 is connected with a fixing bolt 304 in a threaded connection mode, the fixing bolt 304 is connected with a fixing plate 308 in a threaded connection mode, the fixing plate 308 and 4 reaction rods 301 jointly form a reaction frame, and the lower end of the reaction rod 301 is fixed with the fixing plate 308 through a threaded nut, the upper end of the reaction rod 301 is fixedly connected to the second mounting plate 309 by means of a screw thread, so that the loading bolt 103 moves up and down together with the upper sample holder head 305, and thus the sample 306 can be loaded by the up and down movement of the loading bolt 103.
In this embodiment, the rack 4 includes a bottom mounting frame and a plurality of columns 401, the plurality of columns 401 are fixedly disposed above the bottom mounting frame, and the first mounting plate 102 is slidably disposed on the plurality of columns 401;
and a lifting driving device is arranged on the bottom mounting frame and is in driving connection with the first mounting plate 102. The lifting driving device is not limited in this embodiment, for example, the first mounting plate 102 is driven by an air cylinder, a hydraulic cylinder, or an electric push rod to move up and down, or the first mounting plate 102 is connected to the electric push rod and moved up and down by chain transmission, and the air cylinder is taken as an example to be described in detail below.
The first mounting plate 102 is slidably disposed on the plurality of upright columns 401 through a plurality of linear bearings, in this embodiment, the first mounting plate 102 is fixedly connected with the linear bearings through screws, the linear bearings are sleeved on the upright columns 401, and the first mounting plate 102 slides up or down along the upright columns 401 through the linear bearings; the second mounting plate 309 is also slidably disposed on the plurality of columns 401 through a plurality of linear bearings, and the connection manner is the same as that of the first mounting plate 102.
the bottom ends of the plurality of upright posts 401 are fixedly connected to the upper mounting panel 402;
the lifting driving device comprises two lifting cylinders 5, the two lifting cylinders 5 are fixedly installed on the lower bottom plate 404 and are arranged on two sides of the lower bottom plate 404 at intervals, the output ends of the lifting cylinders 5 face upwards and are respectively fixedly connected with a transverse plate, the transverse plate is fixedly connected with the linear bearing on the first mounting plate 102 or the second mounting plate 309, and the output ends of the lifting cylinders 5 are indirectly fixedly connected with the first mounting plate 102. In this embodiment, the output end of the lifting cylinder 5 may also be directly and fixedly connected to the first mounting plate 102, as long as the stress loading device 1 can move upwards or downwards along the upright column 401 under the driving of the lifting cylinder 5.
The experimental kettle 2 and the environmental container 601 are alternatively and fixedly installed on the lower bottom surface of the upper installation panel 402, the ports of the experimental kettle 2 and the environmental container 601 are both upward, the upper installation panel 402 is provided with a through hole, when the experimental kettle 2 and the environmental container 601 are alternatively and fixedly installed on the lower bottom surface of the upper installation panel 402, the ports of the experimental kettle and the environmental container correspond to the through hole, that is, the sample stress test device 3 above the upper installation panel 402 can sink into the experimental kettle 2 or the environmental container 601 through the ports when moving downwards.
In this embodiment, the sample stress testing device 3 moves downward under the driving of the lifting cylinder 5, and the sample stress testing device 3 is immersed in the experimental kettle 2 or the environmental container 601, and the sample stress testing device 3 is combined with the experimental kettle 2 or the environmental container 601, and a sealed environment is formed by sealing the sealing ring:
a mounting flange 201 is fixedly arranged on a port of the experimental kettle 2, a plurality of threaded holes are formed in the circumferential direction of the mounting flange 201, the mounting flange 201 is fixedly arranged on the lower bottom surface of the upper mounting panel 402 through a plurality of threaded fasteners, and the port of the experimental kettle 2 is communicated with the through holes;
and a sealing ring 202 is arranged on the mounting flange 201, and when the sample stress test device 3 is immersed in the experimental kettle 2, a closed kettle body is formed by the sealing ring 202 and the experimental kettle 2.
The environment box 6 is the prior art, and the high-low temperature damp-heat environment and the salt fog environment in the market are standard products, and the environment box control part 602 creates the high-low temperature damp-heat environment and the salt fog environment for the environment container 601 in the environment box 6 through the system thereof. Since the environmental container 601 of the conventional environmental chamber 6 cannot be directly mounted on the upper mounting panel 402, a transition piece is required to be installed on the lower bottom surface of the upper mounting panel 402. The present embodiment does not limit the specific structure of the transition piece, as long as the environmental vessel 601 and the experimental tank 2 are installed on the lower bottom surface of the upper installation panel 402 in a replaceable manner. In this embodiment, a transition piece is fixedly arranged on a port of the environment container 601, the transition piece is fixedly arranged on the lower bottom surface of the upper mounting panel 402 through a threaded fastener, and the port of the environment container 601 is communicated with the through hole;
and a sealing ring is arranged on the transition piece, and when the sample stress test device 3 is immersed in the environment container 601, a closed environment is formed by the sealing ring and the environment container 601.
In this embodiment, the seal ring on the transition piece not only seals when combined with the test stress testing apparatus, but also seals when the environmental container 601 is placed in the environmental chamber 6.
Further, the sample stress test device 3 further comprises a kettle cover for sealing in combination with the experimental kettle 2 and the environmental container 601, and the kettle cover can be combined with a sealing ring to seal the experimental kettle 2 and the environmental container 601.
When the environment container 601 is installed at the lower part of the frame 4, the environment box control part 602 is placed beside the frame 4, and the environment box control part 602 is connected with the environment container 601 through a pipeline, so that fatigue, creep or slow tensile test can be performed on a sample in various environments, fatigue, creep or slow tensile test can be performed on the sample in salt fog, high and low temperature damp and hot environments and the like, the sharing rate of a host is greatly improved, and the unification, modularization and standardization of a testing machine are realized.
The disclosure above is only one specific embodiment of the present application, but the present application is not limited thereto, and any variations that can be made by those skilled in the art are intended to fall within the scope of the present application.
Claims (10)
1. A multifunctional environmental fatigue, creep and slow tensile testing machine is characterized by comprising a rack, a stress loading device, a sample stress testing device, an experimental kettle and an environmental box, wherein the stress loading device is arranged at the upper part of the rack and can do lifting motion on the rack; the sample stress test device is positioned below the stress loading device and connected with the stress loading device, and a sample of the sample stress test device is loaded with stress through the stress loading device; the environmental container and the experimental kettle of the environmental box can be alternatively arranged at the lower part of the frame, and the sample stress test device can move downwards along with the stress loading device and is immersed in the experimental kettle or the environmental container.
2. The multifunctional environmental fatigue, creep and slow tensile testing machine according to claim 1, wherein the stress loading device comprises a first mounting plate for mounting the stress loading device on the rack, and the sample stress testing device comprises a second mounting plate fixedly connected below the first mounting plate through a plurality of support rods.
3. The multifunctional environmental fatigue, creep and slow tensile testing machine according to claim 2, wherein said frame comprises a bottom mounting frame and a plurality of uprights, said uprights are fixedly arranged above said bottom mounting frame, said first mounting plate is slidably arranged on said uprights;
and a lifting driving device is arranged on the bottom mounting frame and is in driving connection with the first mounting plate.
4. The multifunctional environmental fatigue, creep and slow tensile testing machine according to claim 3, wherein said first mounting plate is slidably disposed on said plurality of columns through a plurality of linear bearings.
5. The multifunctional environmental fatigue, creep and slow tensile testing machine according to claim 3, wherein the bottom mounting frame comprises a lower bottom plate and an upper mounting panel, and the lower bottom plate and the upper mounting panel are fixedly connected through a plurality of supporting columns;
the bottom ends of the plurality of upright posts are fixedly connected to the upper mounting panel;
the lifting driving device comprises at least one lifting cylinder, the lifting cylinder is fixedly arranged on the lower bottom plate, and the output end of the lifting cylinder faces upwards and is fixedly connected with the first mounting plate;
the ports of the experimental kettle and the environmental container are upward, the upper mounting panel is provided with a through hole, and the ports of the experimental kettle and the environmental container can be replaceably mounted on the through hole.
6. The multifunctional environmental fatigue, creep and slow tensile testing machine according to claim 5, wherein when the sample stress testing device is immersed in the experimental kettle or the environmental container, the experimental kettle or the environmental container is sealed by a sealing ring.
7. The multifunctional environmental fatigue, creep and slow tensile testing machine as claimed in claim 6, wherein a mounting flange is fixedly arranged on a port of the experimental kettle, the mounting flange is fixedly arranged on the upper mounting panel through a threaded fastener, and the port of the experimental kettle is communicated with the through hole;
and a sealing ring is arranged on the mounting flange, and when the sample stress test device is immersed in the experiment kettle, a closed kettle body is formed by the sealing ring and the experiment kettle.
8. The multifunctional environmental fatigue, creep and slow tensile testing machine according to claim 6, wherein a transition piece is fixedly arranged on the port of the environmental container, the transition piece is fixedly arranged on the upper mounting panel through a threaded fastener, and the port of the environmental container is communicated with the through hole;
and a sealing ring is arranged on the transition piece, and when the sample stress test device is immersed in the environment container, a closed environment is formed by the sealing ring and the environment container.
9. The multifunctional environmental fatigue, creep and slow tensile testing machine according to claim 1, wherein the experimental kettle is filled with metal solution.
10. The multifunctional environmental fatigue, creep and slow tensile testing machine according to claim 1, wherein the environmental chamber is a salt fog environmental chamber or a high and low temperature humid and hot environmental chamber.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020470643.3U CN212159443U (en) | 2020-04-02 | 2020-04-02 | Fatigue, creep and slow tensile testing machine in multifunctional environment |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202020470643.3U CN212159443U (en) | 2020-04-02 | 2020-04-02 | Fatigue, creep and slow tensile testing machine in multifunctional environment |
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| CN212159443U true CN212159443U (en) | 2020-12-15 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113358551A (en) * | 2021-06-30 | 2021-09-07 | 天津大学 | Metal material high-pressure corrosion fatigue experimental device |
| CN114112691A (en) * | 2021-12-04 | 2022-03-01 | 上海百若试验仪器有限公司 | Material tensile testing machine capable of simulating fluid environment |
| CN116124621A (en) * | 2022-12-30 | 2023-05-16 | 中机试验装备股份有限公司 | Subcritical water vapor environment tensile fatigue testing machine |
-
2020
- 2020-04-02 CN CN202020470643.3U patent/CN212159443U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113358551A (en) * | 2021-06-30 | 2021-09-07 | 天津大学 | Metal material high-pressure corrosion fatigue experimental device |
| CN114112691A (en) * | 2021-12-04 | 2022-03-01 | 上海百若试验仪器有限公司 | Material tensile testing machine capable of simulating fluid environment |
| CN116124621A (en) * | 2022-12-30 | 2023-05-16 | 中机试验装备股份有限公司 | Subcritical water vapor environment tensile fatigue testing machine |
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