CN114252330A - Loading device - Google Patents
Loading device Download PDFInfo
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- CN114252330A CN114252330A CN202111328864.2A CN202111328864A CN114252330A CN 114252330 A CN114252330 A CN 114252330A CN 202111328864 A CN202111328864 A CN 202111328864A CN 114252330 A CN114252330 A CN 114252330A
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- China
- Prior art keywords
- assembly
- clamp assembly
- cylinder
- lower clamp
- screw rod
- Prior art date
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- 238000005057 refrigeration Methods 0.000 claims abstract description 23
- 238000010438 heat treatment Methods 0.000 claims abstract description 15
- 239000000463 material Substances 0.000 claims description 29
- 230000017525 heat dissipation Effects 0.000 claims description 13
- 230000000712 assembly Effects 0.000 claims description 4
- 238000000429 assembly Methods 0.000 claims description 4
- 239000000112 cooling gas Substances 0.000 claims description 4
- 239000000110 cooling liquid Substances 0.000 claims description 4
- 238000005485 electric heating Methods 0.000 claims description 4
- 238000007789 sealing Methods 0.000 claims description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims 1
- 229910052799 carbon Inorganic materials 0.000 claims 1
- 239000000835 fiber Substances 0.000 claims 1
- 238000012360 testing method Methods 0.000 abstract description 10
- 230000009471 action Effects 0.000 abstract description 3
- 238000000034 method Methods 0.000 description 7
- 238000013170 computed tomography imaging Methods 0.000 description 6
- 238000012544 monitoring process Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 238000011160 research Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 229920000049 Carbon (fiber) Polymers 0.000 description 2
- 230000006399 behavior Effects 0.000 description 2
- 239000004917 carbon fiber Substances 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- 238000009864 tensile test Methods 0.000 description 2
- 238000004458 analytical method Methods 0.000 description 1
- 239000011324 bead Substances 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000012669 compression test Methods 0.000 description 1
- 238000002591 computed tomography Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000011056 performance test Methods 0.000 description 1
- 238000004540 process dynamic Methods 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
Images
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/08—Investigating strength properties of solid materials by application of mechanical stress by applying steady tensile or compressive forces
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N23/00—Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups G01N3/00 – G01N17/00, G01N21/00 or G01N22/00
- G01N23/02—Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups G01N3/00 – G01N17/00, G01N21/00 or G01N22/00 by transmitting the radiation through the material
- G01N23/04—Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups G01N3/00 – G01N17/00, G01N21/00 or G01N22/00 by transmitting the radiation through the material and forming images of the material
- G01N23/046—Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups G01N3/00 – G01N17/00, G01N21/00 or G01N22/00 by transmitting the radiation through the material and forming images of the material using tomography, e.g. computed tomography [CT]
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/02—Details
- G01N3/04—Chucks
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/02—Details
- G01N3/06—Special adaptations of indicating or recording means
- G01N3/068—Special adaptations of indicating or recording means with optical indicating or recording means
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/0001—Type of application of the stress
- G01N2203/0003—Steady
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/0014—Type of force applied
- G01N2203/0016—Tensile or compressive
- G01N2203/0017—Tensile
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/0014—Type of force applied
- G01N2203/0016—Tensile or compressive
- G01N2203/0019—Compressive
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/02—Details not specific for a particular testing method
- G01N2203/04—Chucks, fixtures, jaws, holders or anvils
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/02—Details not specific for a particular testing method
- G01N2203/06—Indicating or recording means; Sensing means
- G01N2203/0641—Indicating or recording means; Sensing means using optical, X-ray, ultraviolet, infrared or similar detectors
Abstract
The invention relates to a high-low temperature environment loading device suitable for industrial CT, belonging to the machinery. Comprising a loading device comprising: a carrying cylinder; the base can be connected with the industrial CT rotary table, and the bearing cylinder is arranged on the base; the upper clamp assembly is fixedly arranged inside the bearing cylinder; the lower clamp assembly is arranged in the bearing cylinder and can move relative to the upper clamp assembly; and the clamp driving assembly is used for driving the lower clamp assembly to move. The refrigeration assembly can refrigerate the sample pressure head. The heating device can heat the upper clamp assembly and the lower clamp assembly; and the temperature sensor is used for detecting the temperature of the upper clamp assembly and/or the lower clamp assembly. The invention can be integrated on industrial CT and can be quickly connected with most industrial CT on the market. The loading device can apply high-temperature environment and low-temperature environment to the sample and apply tension or pressure action, and the whole equipment has the advantages of small volume, compact structure, high rigidity, light weight, high testing precision and the like.
Description
Technical Field
The invention relates to the field of machinery, in particular to the field of material mechanical property testing and material internal damage monitoring compatible with industrial CT, and particularly relates to a mechanical testing technology which is suitable for testing the material mechanical property under an industrial CT imaging system and dynamically monitoring the microscopic deformation damage of a material in the industrial CT imaging system in the whole process, so that the synchronism of the material performance testing and the microscopic internal damage can be realized, and comprehensive theoretical data can be provided on the aspect of researching the material failure mode.
Background
In the field of material mechanics analysis, the traditional mechanics testing equipment only completes the application of force on a sample to obtain material related data and macroscopic fracture phenomena; or the sample is only the natural state to research the internal tissue structure of the material under the industrial CT imaging system.
The loading device for the high and low temperature environment under the industrial CT is integrated on an industrial CT rotating table, a certain loading force is applied to a sample through the loading device, at the moment, the sample can be scanned and photographed for 360 degrees through the rotation of the CT rotating table, the research on the internal microscopic deformation damage principle of the material under the stress state can be facilitated, and the micromechanical behaviors, the damage mechanism and the correlation rule between the micromechanical behaviors, the load action and the material performance of various materials and products of the materials can be disclosed.
The traditional material tensile test is an off-position test on a large-scale testing machine, and the yield limit and the strength limit of the material are obtained by drawing a stress-strain curve from the initial stress to the final tensile fracture of the material. The synchronous operation of a material tensile test and microscopic damage monitoring is not involved, and the deep research on the change rule of the material shape and appearance in the material damage process is lacked.
The existing loading table is large in size, the weight of the existing loading table is over 500 kilograms, the existing loading table cannot be integrated on an industrial CT rotary table, the rotary table only allows the loading weight to be less than about 15 kilograms, and the existing loading table is small in size and not suitable for CT scanning tests.
Disclosure of Invention
The invention aims to provide a high-low temperature environment loading device suitable for industrial CT, which is a mechanical test technology for applying a loading effect on a material under an industrial CT imaging system and dynamically monitoring the microscopic deformation damage in the material under the action of an external force in the whole process, can realize the synchronism of the performance test and the microscopic damage observation of the material and provides comprehensive theoretical data on the research of the failure mode of the material. The problems that the existing equipment is heavy in weight, large in size, complex in structure, high in maintenance cost, incapable of being integrated in industrial CT, short of high and low temperature environment modules and the like are solved. The invention has the advantages of compact structure, high rigidity, light weight, rapid integration in industrial CT, high and low temperature environment module, and the like. And tensile and compressive loading force can be applied to the material under an industrial CT imaging system, so that the material can carry out whole-process dynamic monitoring on microscopic deformation damage of the material under a stressed state.
In order to achieve the purpose, the invention adopts the technical scheme that
A loading device, comprising:
a carrying cylinder;
the base can be connected with the industrial CT rotary table, and the bearing cylinder is arranged on the base;
the upper clamp assembly is fixedly arranged inside the bearing cylinder;
the lower clamp assembly is arranged in the bearing cylinder and can move relative to the upper clamp assembly;
and the clamp driving assembly is used for driving the lower clamp assembly to move.
The bearing cylinder is a split structure and comprises:
the upper mounting cylinder is used for mounting an upper clamp assembly;
the lower mounting cylinder is used for mounting a driving assembly;
the middle mounting cylinder is used for sealing the space of the relative movement of the lower clamp assembly relative to the upper clamp assembly;
the upper mounting cylinder, the middle mounting cylinder and the lower mounting cylinder are fixedly connected from top to bottom in sequence.
The middle mounting cylinder is made of carbon fiber materials.
The clamp drive assembly includes:
the rotating motor is fixedly arranged with the bearing cylinder;
and the nut assembly is driven to rotate by a motor shaft of the rotating motor.
The screw rod penetrates through the nut assembly in the axial direction, and when the nut assembly rotates, the screw rod is driven to move in the axial direction to drive the lower clamp assembly to move up and down.
And the load sensor is arranged between the screw rod and the lower clamp assembly and synchronously moves along with the screw rod and the lower clamp assembly.
The clamp drive assembly further comprises:
the guide rod is arranged inside the bearing cylinder and is fixedly arranged on the bearing cylinder;
the lifting beam is fixedly connected with the screw rod and/or the load sensor and moves up and down along with the screw rod;
the guide rod axially slides to penetrate through the lifting beam.
The upper clamp assembly and/or the lower clamp assembly includes:
a sample indenter for holding a sample;
refrigeration subassembly, sample pressure head install in refrigeration subassembly, and refrigeration subassembly can refrigerate to the sample pressure head.
The refrigeration subassembly includes:
and the refrigerating piece is used for refrigerating the sample pressure head.
And the heat dissipation device is arranged on the heat dissipation surface of the refrigeration piece and used for dissipating heat generated by the refrigeration piece.
The heat dissipation device is a heat dissipation seat with an inlet and an outlet;
the inlet and outlet are used for the inlet and outlet of cooling liquid or cooling gas.
The bottom of the heat dissipation device is fixedly connected with the load sensor.
The top of the heat dissipation device is fixedly connected with the top wall of the bearing cylinder.
The heating device is further included and can be used for heating the upper clamp assembly and/or the lower clamp assembly.
The heating device is an electric heating rod.
The heating device is an electric heating wire.
The temperature sensor is used for detecting the temperature of the upper clamp assembly and/or the lower clamp assembly.
Drawings
Fig. 1 is a schematic diagram of the overall structure of a loading device according to an embodiment of the present technology.
FIG. 2 is a schematic diagram of a chuck actuating assembly in accordance with embodiments of the present technique.
FIG. 3 is a schematic diagram of a lower clamp assembly, in accordance with embodiments of the present technique.
FIG. 4 is a schematic diagram of an upper clamp assembly, in accordance with embodiments of the present technique.
Detailed Description
In order to make the technical problems, technical solutions and advantages of the present invention more apparent, the following detailed description is given with reference to the accompanying drawings and specific embodiments.
The invention provides a loading device.
As shown in fig. 1 and 2, the loading device includes a base 1, a carrying cylinder 2, a clamp driving assembly 3, a lower clamp assembly 4, and an upper clamp assembly 5.
The jig driving assembly 3 includes a rotary motor 31, a nut assembly 32, a lead screw 33, and a load sensor 34.
The base 1 is fixedly arranged on an industrial CT rotary table (not shown in the figure), and the bottom of the bearing cylinder 2 is detachably arranged on the base 1. The bearing cylinder 2 is of a split structure and comprises an upper mounting cylinder 21, a middle mounting cylinder 22 and a lower mounting cylinder 23, wherein the upper mounting cylinder 21, the middle mounting cylinder 22 and the lower mounting cylinder 23 are fixedly connected from top to bottom in sequence.
The central mounting cylinder 22 is made of carbon fiber or other materials that facilitate CT imaging.
The clamp driving assembly 3 is installed inside the lower installation cylinder 23, wherein the rotating motor 31 is fixedly installed on the lower installation cylinder 23, the nut assembly 32 includes a nut 321, and the nut 321 is sleeved on the motor shaft 311 of the rotating motor 31 and rotates synchronously with the motor 311. The screw 33 is axially inserted into the nut 321, and the screw 33 moves up and down when the nut 321 is rotationally driven by the motor shaft 311.
Particularly, most of the screw and screw rod assemblies on the market are standard parts, and the upward and downward movement strokes of the screw rod should not exceed the edges of the screw, otherwise, the problems of screw bead removal and the like can be caused. In the scheme, in order to ensure that the screw rod 33 has enough up-and-down movement space, the nut assembly further comprises a nut adapter 322, at the moment, the lower end of the nut adapter 322 is fixedly connected with the motor shaft 311, the upper end of the nut adapter 322 is fixedly connected with the nut 321 in the axial direction, and when the motor shaft 311 rotates, the nut adapter 322 and the nut 321 are driven to synchronously rotate, so that the screw rod 33 is driven to move up and down, and the screw rod 33 is ensured to have enough down-movement space and cannot collide with the top of the motor shaft 311.
The load sensor 34 is disposed between the screw 33 and the lower clamp assembly 4, and both ends of the load sensor can be fixedly connected with the screw 33 and the lower clamp assembly 4. When the motor shaft 311 drives the nut assembly 32 to rotate, thereby driving the screw rod 33 to move up and down, the load sensor 34 and the lower clamp assembly 4 move together with the screw rod 33.
A guide rod 35 and a lifting beam 36 are fixedly arranged in the lower mounting cylinder 23 of the bearing cylinder 2, the lifting beam 36 is fixedly arranged on the screw rod 33 or the load sensor 34, or can be fixedly arranged between the screw rod 33 and the load sensor 34 and moves up and down together with the screw rod 33. The lifting beam 36 has a through hole, the guide rod 35 penetrates through the through hole, and when the screw assembly 32 drives the screw rod 31 to move up and down, the guide rod 35 plays a role in preventing the screw rod 31 from rotating.
As shown in fig. 3 to 4, the lower clamp assembly 4 includes a refrigeration assembly 41 and a sample ram 42. The cooling assembly 41 is used to cool the sample held in the sample head 42. The refrigeration assembly 41 includes a refrigeration sheet 411 and a heat sink 412. The refrigerating sheet 411 can be selected to be a peltier device, and the heat dissipation device 412 is installed on a heat dissipation surface of the refrigerating sheet 411 and is used for refrigerating the refrigerating sheet 411. The heat sink 412 includes an inlet 4121, an outlet 4122 for ingress and egress of cooling liquid or cooling gas. In this embodiment, the heat sink 412 is fixedly attached to the bottom load cell 34.
The upper clamp assembly 5 comprises a refrigeration assembly 51 and a sample pressure head 52. The refrigeration assembly 51 is used to refrigerate the sample held in the sample head 52. The refrigeration assembly 51 comprises a refrigeration sheet 511 and a heat dissipation device 512. The refrigerating sheet 511 can be selected to be a peltier, and the heat dissipation device 512 is installed on a heat dissipation surface of the refrigerating sheet 511 and is used for refrigerating the refrigerating sheet 511. The heat sink 512 includes an inlet 5121 and an outlet 5122 for the cooling liquid or cooling gas. In this embodiment, the top of the heat sink 512 is fixedly connected to the top wall of the upper mounting tube 21 of the carrying cylinder 2.
Optionally, the loading device may also include a heating device 6 to heat the sample indenters 42 and 52, or only one of the sample indenters. The heating means 6 may be a spot heating bar or an electric heating wire.
The specific working process is as follows: when doing the compression test for the sample, lifting beam 36, load sensor 34, lower anchor clamps subassembly 4 drive the sample upward movement together, and when anchor clamps subassembly 5 was gone up in sample upper surface contact, load sensor 34 distinguishable is current by the power value of pressure, and this power value accessible software control, after pressure reached the ideal power value, the software was done power and is carried control, and industry CT can scan the sample and shoot this moment, under the stress state to the sample, observes the inside damage state of sample.
When the system needs refrigeration, the heating device 6 is closed, the refrigeration piece 411 acts, and the refrigeration quantity is transmitted to the sample through the lower clamp assembly 4 and/or the upper clamp assembly 5, so that the sample can reach the expected low-temperature requirement; when the system needs to be heated, the cooling fins 411 are closed, and the heating device 6 is activated to transfer heat to the sample through the lower clamp assembly 4 and/or the upper clamp assembly 5, so that the sample reaches the expected high temperature requirement.
Claims (14)
1. A loading device, comprising:
a carrying cylinder;
the base can be connected with the industrial CT rotary table, and the bearing cylinder is arranged on the base;
the upper clamp assembly is fixedly arranged inside the bearing cylinder;
the lower clamp assembly is arranged in the bearing cylinder and can move relative to the upper clamp assembly;
and the clamp driving assembly is used for driving the lower clamp assembly to move.
2. A loading unit according to claim 1, wherein the loading cylinder is a split structure, comprising:
the upper mounting cylinder is used for mounting the upper clamp assembly;
the lower mounting cylinder is used for mounting the driving assembly;
the middle mounting cylinder is used for sealing the space of the lower clamp assembly moving relative to the upper clamp assembly;
the upper mounting cylinder, the middle mounting cylinder and the lower mounting cylinder are fixedly connected from top to bottom in sequence.
3. A loading unit according to claim 2, wherein the central mounting tube is of carbon fibre material.
4. A loading device as recited in claim 1, said clamp drive assembly comprising:
the rotating motor is fixedly arranged with the bearing cylinder;
the nut assembly is driven to rotate by a motor shaft of the rotating motor;
the screw rod axially penetrates through the nut assembly, and when the nut assembly rotates, the screw rod is driven to axially move to drive the lower clamp assembly to move up and down;
and the load sensor is arranged between the screw rod and the lower clamp assembly and synchronously moves along with the screw rod and the lower clamp assembly.
5. The loading device of claim 4, said clamp drive assembly further comprising:
the guide rod is arranged inside the bearing cylinder and is fixedly arranged on the bearing cylinder;
the lifting beam is fixedly connected with the screw rod and/or the load sensor and moves up and down along with the screw rod;
the guide rod axially slides to penetrate through the lifting cross beam.
6. A loading device according to claim 1, said upper and/or lower clamp assemblies comprising:
a sample indenter for holding a sample;
the refrigeration assembly, the sample pressure head install in the refrigeration assembly, the refrigeration assembly can be right the sample pressure head refrigerates.
7. A loading unit according to claim 6, the refrigeration assembly comprising:
the refrigerating piece is used for refrigerating the sample pressure head;
and the heat dissipation device is arranged on the heat dissipation surface of the refrigeration piece and used for dissipating heat generated by the refrigeration piece.
8. A loading unit according to claim 7 wherein the heat sink is a heat sink having an inlet and an outlet;
the inlet and outlet are used for the ingress and egress of cooling liquid or cooling gas.
9. The loading device as recited in claim 8, wherein the bottom of the heat sink is fixedly connected to the load cell.
10. A loading unit according to claim 9, wherein the top of the heat sink is fixedly connected to the top wall of the carrier.
11. The loading device as claimed in any one of claims 1 to 10, further comprising a heating device for heating the upper and/or lower clamp assemblies.
12. A loading unit according to claim 11, wherein said heating means is an electrical heating rod.
13. A loading unit according to claim 11, wherein said heating means is an electric heating wire.
14. A loading unit according to any of claims 1 to 13, further comprising a temperature sensor for sensing the temperature of the upper and/or lower clamp assemblies.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111328864.2A CN114252330A (en) | 2021-11-10 | 2021-11-10 | Loading device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111328864.2A CN114252330A (en) | 2021-11-10 | 2021-11-10 | Loading device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114252330A true CN114252330A (en) | 2022-03-29 |
Family
ID=80792435
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111328864.2A Pending CN114252330A (en) | 2021-11-10 | 2021-11-10 | Loading device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114252330A (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106248498A (en) * | 2016-07-30 | 2016-12-21 | 河北建筑工程学院 | There is the thawing compression instrument of Unidirectional Freezing function |
| CN206960239U (en) * | 2017-05-23 | 2018-02-02 | 北京科技大学 | A kind of axial tension fatigue experimental device available for microcosmic home position observation |
| CN108760500A (en) * | 2018-06-12 | 2018-11-06 | 哈尔滨工业大学 | A kind of drawing stand for synchrotron radiation light source CT imagings |
| CN108776151A (en) * | 2018-04-02 | 2018-11-09 | 西南交通大学 | A kind of high/low temperature original position loading device based on X-ray transmission |
| CN109116879A (en) * | 2018-10-19 | 2019-01-01 | 苏州华兴源创科技股份有限公司 | A kind of temperature controller |
| CN110186773A (en) * | 2019-07-08 | 2019-08-30 | 四川德翔科创仪器有限公司 | Rock testing experiment triaxial cell |
| CN110907285A (en) * | 2019-11-19 | 2020-03-24 | 中国航发北京航空材料研究院 | Miniature loading device for DVC method test |
| CN112113844A (en) * | 2020-09-25 | 2020-12-22 | 中国科学院高能物理研究所 | In-situ mechanical performance testing device and testing method |
-
2021
- 2021-11-10 CN CN202111328864.2A patent/CN114252330A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106248498A (en) * | 2016-07-30 | 2016-12-21 | 河北建筑工程学院 | There is the thawing compression instrument of Unidirectional Freezing function |
| CN206960239U (en) * | 2017-05-23 | 2018-02-02 | 北京科技大学 | A kind of axial tension fatigue experimental device available for microcosmic home position observation |
| CN108776151A (en) * | 2018-04-02 | 2018-11-09 | 西南交通大学 | A kind of high/low temperature original position loading device based on X-ray transmission |
| CN108760500A (en) * | 2018-06-12 | 2018-11-06 | 哈尔滨工业大学 | A kind of drawing stand for synchrotron radiation light source CT imagings |
| CN109116879A (en) * | 2018-10-19 | 2019-01-01 | 苏州华兴源创科技股份有限公司 | A kind of temperature controller |
| CN110186773A (en) * | 2019-07-08 | 2019-08-30 | 四川德翔科创仪器有限公司 | Rock testing experiment triaxial cell |
| CN110907285A (en) * | 2019-11-19 | 2020-03-24 | 中国航发北京航空材料研究院 | Miniature loading device for DVC method test |
| CN112113844A (en) * | 2020-09-25 | 2020-12-22 | 中国科学院高能物理研究所 | In-situ mechanical performance testing device and testing method |
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