CN210221674U - Triaxial experimental device capable of being matched with CT scanning - Google Patents
Triaxial experimental device capable of being matched with CT scanning Download PDFInfo
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- CN210221674U CN210221674U CN201921137894.3U CN201921137894U CN210221674U CN 210221674 U CN210221674 U CN 210221674U CN 201921137894 U CN201921137894 U CN 201921137894U CN 210221674 U CN210221674 U CN 210221674U
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Abstract
The utility model discloses a triaxial experimental apparatus that can cooperate CT scanning, include: the clamp comprises a cylinder body, an upper force transmission end head and a lower force transmission end head, the load cylinder is detachably and fixedly connected with the lower force transmission end head, a T-shaped piston is arranged in the load cylinder, the head of the T-shaped piston is in sealing connection with the inner cavity of the lower force transmission end head in an axially movable mode, a hydraulic oil conveying channel is arranged at the bottom of the load cylinder, the inner port of the hydraulic oil conveying channel is communicated with the inner cavity of the load cylinder, and the outer port of the hydraulic oil conveying channel is connected with the axial pressure load system; and the confining pressure liquid outlet hole and the confining pressure liquid injection hole are respectively connected with a confining pressure loading system in a closed loop mode through pipelines. The utility model has the advantages of light weight, large axial load and the like.
Description
Technical Field
The utility model relates to a triaxial experimental apparatus, specifically say so, relate to a triaxial experimental apparatus that can cooperate CT scanning.
Background
At present, the triaxial test is widely applied to the fields of geotechnical engineering, geological disaster research and application and the like. Especially in the field of rock mechanics, the research on deformation and seepage characteristics of rocks under stress is one of the main directions in the field of rock mechanics. The main purpose of the rock mechanical test is to simulate the characteristics of the mechanical and osmotic forms of the rock in the natural state and the mechanism behind the characteristics. In addition, the CT scanning technology can realize the representation of the microstructure in the rock, can accurately obtain the pore structure, is an effective method for revealing the seepage characteristic and the mechanism of the porous medium, and cannot damage the internal structure of the rock, so that the CT scanning technology is widely applied to the field of oil and gas field development at home and abroad in recent years. The existing research shows that if the triaxial tester is matched with the CT scanning technology for use, the internal structure change of the rock sample can be monitored in all directions, the local change, the subtle change and the change trend of the internal structure of the rock sample can be known, the properties of the rock sample under different stress conditions can be mastered, and the deformation failure mechanism of the rock can be known from a microscopic angle. However, in CT scanning, the X-ray tube and the detector are fixed, and CT scanning is performed by rotating an object with a high-precision rotating table. In order to apply a large axial stress, the conventional common triaxial experimental device has a large volume and a heavy weight, and several tons or even dozens of tons of equipment move, so that the conventional common triaxial experimental device cannot be matched with a CT (computed tomography) machine for use, and a sample is dynamically scanned in a triaxial manner. Therefore, there is a great need in the art to develop a three-axis experimental apparatus which can be matched with CT scanning, has a small volume and a light weight, and can realize a large axial load.
SUMMERY OF THE UTILITY MODEL
To the above-mentioned problem that prior art exists, the utility model aims at providing a can cooperate CT scanning and small, light in weight and can realize the triaxial experimental apparatus of axial heavy load.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a triaxial experimental apparatus capable of cooperating with CT scanning, comprising: the clamp comprises a cylinder body, an upper force transmission end and a lower force transmission end which are respectively connected with two ends of the cylinder body, wherein a circumferential pressure-bearing carbon fiber sleeve and an axial pressure-bearing carbon fiber sleeve are arranged outside the cylinder body, the loading cylinder is detachably and fixedly connected with the lower force transmission end, a T-shaped piston is arranged in the loading cylinder, the head of the T-shaped piston is in axial movable sealing connection with the inner cavity of the lower force transmission end, a hydraulic oil conveying channel is arranged at the bottom of the loading cylinder, the inner port of the hydraulic oil conveying channel is communicated with the inner cavity of the loading cylinder, and the outer port of the hydraulic oil conveying channel is connected with the axial pressure loading system through a pipeline; and the confining pressure liquid outlet hole communicated with the confining pressure cavity is formed in the upper force transmission end, the confining pressure liquid injection hole communicated with the confining pressure cavity is formed in the lower force transmission end, and the confining pressure liquid outlet hole and the confining pressure liquid injection hole are respectively connected with the confining pressure loading system in a closed loop mode through pipelines.
According to one embodiment, the circumferential pressure-bearing carbon fiber sleeve is arranged on the circumferential direction of the outer wall of the cylinder body.
According to one embodiment, an upper convex bearing shoulder is arranged at the lower part of an upper force transmission end, a lower convex bearing shoulder is arranged at the upper part of a lower force transmission end, and the axial bearing carbon fiber sleeve is obtained by wrapping, winding and curing carbon fibers on the upper and lower bearing shoulders in a winding direction inclined to the axial direction through resin.
In another embodiment, at least one group of cantilevers which form central symmetry are arranged on the periphery of the lower part of the upper force transmission end and the periphery of the upper part of the lower force transmission end, the cantilevers positioned on the upper force transmission end and the cantilevers positioned on the lower force transmission end form mirror symmetry, and the axial pressure-bearing carbon fiber sleeve is obtained by winding and curing carbon fibers on the upper cantilevers and the lower cantilevers which form mirror symmetry in the winding direction parallel to the axial direction through resin.
According to the optimal scheme, 2-4 cantilevers which are centrosymmetric are arranged on the upper force transmission end and the lower force transmission end.
In a further preferred scheme, the cantilevers positioned on the upper force transmission end and the lower force transmission end are respectively in an integrally formed structure with the cantilevers.
The utility model provides an embodiment, be mosaic structure between barrel and last power end and the lower power end of biography to, at last power end and the barrel of passing the junction and the junction of lower power end and barrel all be equipped with the sealing washer.
In another embodiment, the cylinder body and the upper force transmission end head and the lower force transmission end head are in an integrally formed structure.
According to a preferred scheme, the upper force transmission end head and the lower force transmission end head are both cylindrical barrels sharing a central shaft with the barrel body.
According to the preferable scheme, a sealing pressing block in sealing connection with the upper end of the cylinder body and a compression nut in threaded connection with the inner wall of the upper force transmission end are arranged in an inner cavity of the upper force transmission end.
In a preferred scheme, the loading cylinder is in threaded connection with the lower force transmission end.
Further preferred scheme, load the jar with pass under and pass between the power end through double thread flange and be connected, promptly: the double-thread flange is in threaded connection with the opening of the loading cylinder, and the lower force transmission end is in threaded connection with the double-thread flange.
According to the optimal scheme, the head of the T-shaped piston is provided with a sealing groove, and a sealing ring with the outer diameter matched with the diameter of an inner cavity of the lower force transmission end is arranged in the sealing groove.
The utility model provides an embodiment, axle load system includes hydraulic tank, hydraulic oil pump and pressure sensor, the oil inlet and the hydraulic tank pipe connection of hydraulic oil pump, the oil-out of hydraulic oil pump and hydraulic oil transfer passage's outer port pipe connection, pressure sensor sets up on the pipeline that hydraulic oil pump and hydraulic oil transfer passage's outer port are connected.
The utility model provides an embodiment, confining pressure loading system includes infusion pump, confining pressure liquid storage tank and automatic air-vent valve, the oil inlet of infusion pump is connected with the confining pressure liquid storage tank through the pipeline, the oil-out of infusion pump is connected with confining pressure liquid injection hole through the pipeline, the confining pressure liquid discharge hole is connected with the confining pressure liquid storage tank through the pipeline, automatic air-vent valve concatenates on the pipeline between confining pressure liquid discharge hole and confining pressure liquid storage tank.
The utility model provides a preferred scheme, confining pressure loading system still includes feed liquor pressure sensor and goes out liquid pressure sensor, feed liquor pressure sensor concatenates on the pipeline between liquid charge pump and confining pressure liquid injection hole, it concatenates on the pipeline between confining pressure liquid outflow hole and the automatic air-vent valve to go out liquid pressure sensor.
Compared with the prior art, the utility model discloses following beneficial technological effect has:
because the clamp holder is provided with the circumferential pressure-bearing carbon fiber sleeve and the axial pressure-bearing carbon fiber sleeve, the axial stress and the circumferential stress can be completely separated and do not influence each other, the clamp holder can simultaneously bear high confining pressure and high axial load, and has no influence on ray penetrability, and the light weight can be realized; therefore make the utility model provides a triaxial experimental apparatus can use with the CT scanning cooperation, and during the experiment, only need with the assembly body of holder and loading cylinder put into on the revolving stage in the CT machine, axial compression loading system wherein need not put into the CT machine with confining pressure loading system, only need through the pipeline respectively with holder and loading cylinder be connected can, convenient to use not only, easy operation can realize utilizing the microstructure of CT scanning technique real-time supervision sample in the triaxial experimentation to change, but also has simple structure, advantages such as easy dismouting and maintenance, consequently, the utility model discloses research to geological exploration and rock core rerum natura has important value, and application prospect is extensive.
Drawings
Fig. 1 is a schematic cross-sectional structural diagram of a triaxial experimental apparatus capable of cooperating with CT scanning provided in embodiment 1;
FIG. 2 is a schematic cross-sectional view of another triaxial experimental apparatus capable of being matched with CT scan provided in example 2;
FIG. 3 is a schematic perspective view of the holder according to embodiment 2;
figure 4 is a schematic view of a configuration embodying the barrel, upper and lower force transfer tips and the assembly therebetween as described in example 2.
The numbers in the figures are as follows: 1. a holder; 11. a barrel; 12. an upper force transmission end socket; 121. an upper bearing shoulder; 13. a lower force transfer end; 131. an external thread; 132. a lower force bearing shoulder; 14. a circumferential pressure-bearing carbon fiber sleeve; 15. an axial pressure-bearing carbon fiber sleeve; 16. a confining pressure liquid outflow hole; 17. a confining pressure liquid injection hole; 2. a loading cylinder; 21. a T-shaped piston; 211. a head of the T-shaped piston; 22. an inner cavity of the loading cylinder; 23. an internal thread; 24. a hydraulic oil delivery passage; 241. an inner port of the hydraulic oil delivery passage; 242. an outer port of the hydraulic oil delivery passage; 3. a shaft pressure loading system; 31. a hydraulic oil tank; 32. a hydraulic oil pump; 33. a pressure sensor; 4. a confining pressure loading system; 41. a liquid injection pump; 42. a confining pressure liquid storage tank; 43. an automatic pressure regulating valve; 44. a liquid inlet pressure sensor; 45. a liquid outlet pressure sensor; 5. a double-threaded flange; 6. a confining pressure cavity; 7. sealing and pressing the block; 8. a compression nut; 9. a cantilever; 9a, a cantilever positioned on the upper force end; 9b, a cantilever positioned on the lower force transmission end; 10. a sample; A1/A2 and a sealing ring.
Detailed Description
The technical solution of the present invention will be described in further detail with reference to the accompanying drawings and embodiments.
Example 1
Please refer to fig. 1: the triaxial experimental apparatus that can cooperate CT scan that this embodiment provided includes: the clamp holder 1, the loading cylinder 2, the axial pressure loading system 3 and the confining pressure loading system 4, the clamp holder 1 comprises a cylinder body 11, an upper force transmission end 12 and a lower force transmission end 13 which are respectively connected with two ends of the cylinder body 11, a circumferential pressure-bearing carbon fiber sleeve 14 and an axial pressure-bearing carbon fiber sleeve 15 are arranged outside the cylinder body 11, the loading cylinder 2 is detachably and fixedly connected with the lower force transmission end 13 (specifically, in the embodiment, an external thread 131 is arranged on the outer wall of the lower force transmission end 13, an internal thread 23 is arranged on the inner wall of the opening part of the loading cylinder 2, the double-thread flange 5 is in threaded connection with the opening part of the loading cylinder 2 and the lower force transmission end 13 respectively by using the double-thread flange 5 with the internal thread and the external thread, the structure not only realizes the fixed connection between the loading cylinder 2 and the clamp holder 1, but also is easy to disassemble and maintain), a, the head 211 of the T-shaped piston is in sealing connection with the inner cavity of the lower force transmission end 13 in an axially movable manner (specifically, in this embodiment, a sealing groove is formed in the head 211 of the T-shaped piston, a sealing ring a1 with an outer diameter matched with the diameter of the inner cavity of the lower force transmission end 13 is arranged in the sealing groove), a hydraulic oil conveying channel 24 is arranged at the bottom of the loading cylinder 2, an inner port 241 of the hydraulic oil conveying channel is communicated with the inner cavity 22 of the loading cylinder, and an outer port 242 of the hydraulic oil conveying channel is connected with the axial compression loading system 3 through a pipeline; and the upper force transmission end head 12 is provided with a confining pressure liquid outlet 16 communicated with the confining pressure cavity 6, the lower force transmission end head 13 is provided with a confining pressure liquid injection hole 17 communicated with the confining pressure cavity 6, and the confining pressure liquid outlet 16 and the confining pressure liquid injection hole 17 are respectively connected with the confining pressure loading system 4 in a closed loop mode through pipelines.
In this embodiment, the barrel 11 is connected to the upper force transmission end 12 and the lower force transmission end 13 by a splicing structure (of course, an integrally formed structure may be adopted), and the joint between the upper force transmission end 12 and the barrel 11 and the joint between the lower force transmission end 13 and the barrel 11 are both provided with a sealing ring a 2. The upper force transmission end 12 and the lower force transmission end 13 are both cylindrical barrels sharing a central axis with the barrel body 11, and a sealing pressing block 7 connected with the upper end of the barrel body 11 in a sealing mode and a compression nut 8 connected with the inner wall of the upper force transmission end 12 in an inner cavity of the upper force transmission end 12 in an inner thread mode are arranged. An upper convex bearing shoulder 121 is arranged at the lower part of the upper force transmission end head 12, a lower convex bearing shoulder 132 is arranged at the upper part of the lower force transmission end head 13, and the axial pressure-bearing carbon fiber sleeve 15 is obtained by wrapping, winding and curing carbon fibers on the upper bearing shoulder 121 and the lower bearing shoulder 132 in a winding direction which is inclined with the axial direction (i.e. forms an acute angle with the axial direction) through resin. In addition, the circumferential pressure-bearing carbon fiber sleeve 14 is arranged in the circumferential direction of the outer wall of the cylinder 11, and is specifically obtained by winding and solidifying carbon fibers on the outer circumferential wall of the cylinder 11 in the circumferential direction through resin.
The axle load system 3 includes a hydraulic oil tank 31, a hydraulic oil pump 32 and a pressure sensor 33, an oil inlet of the hydraulic oil pump 32 is connected with the hydraulic oil tank 31 through a pipeline, an oil outlet of the hydraulic oil pump 32 is connected with an outer port 242 of a hydraulic oil conveying channel through a pipeline, and the pressure sensor 33 is arranged on a pipeline where the outer ports 242 of the hydraulic oil pump 32 and the hydraulic oil conveying channel are connected. The axial loading system 3 transmits high-pressure hydraulic oil to the inner cavity 22 of the loading cylinder through a hydraulic oil transmission channel 24 to apply the high-pressure hydraulic oil to the T-shaped piston 21, so that the test sample 10 in the clamp is axially loaded.
The confining pressure loading system 4 comprises a liquid injection pump 41, a confining pressure liquid storage tank 42, an automatic pressure regulating valve 43, a liquid inlet pressure sensor 44 and a liquid outlet pressure sensor 45, wherein an oil inlet of the liquid injection pump 41 is connected with the confining pressure liquid storage tank 42 through a pipeline, an oil outlet of the liquid injection pump 41 is connected with a confining pressure liquid injection hole 17 through a pipeline, a confining pressure liquid outlet hole 16 is connected with the confining pressure liquid storage tank 42 through a pipeline, the automatic pressure regulating valve 43 is connected in series on the pipeline between the confining pressure liquid outlet hole 16 and the confining pressure liquid storage tank 42, the liquid inlet pressure sensor 44 is connected in series on the pipeline between the liquid injection pump 41 and the confining pressure liquid injection hole 17, and the liquid outlet pressure sensor 45 is connected in series on the pipeline between the confining pressure liquid outlet hole 16 and the automatic pressure regulating valve.
Triaxial experimental apparatus cooperation CT scan during experiment, only need with the steady revolving stage of putting into the CT machine of the assembly body of the holder 1 that assembles and loading cylinder 2 on, axle load loading system 3 wherein and confined pressure loading system 4 are put in the outside of CT machine, only need be connected with holder 1 and loading cylinder 2 respectively through the pipeline and carry out the loading operation of axle load and confined pressure.
Example 2
Referring to fig. 1 and fig. 2, the triaxial experimental apparatus capable of cooperating with CT scan in this embodiment is different from embodiment 1 only in that: the axial pressure-bearing carbon fiber sleeve 15 on the clamp holder 1 has differences, and the rest contents are the same.
Referring to fig. 3 and 4, in this embodiment, at least one set (preferably 2 to 4 sets, 3 sets are shown in the figure, but not limited to the number) of cantilevers 9 with central symmetry are respectively disposed on the outer circumferential portion of the upper force transfer tip 12 and the outer circumferential portion of the lower force transfer tip 13, the cantilever 9a on the upper force transfer tip 12 and the cantilever 9b on the lower force transfer tip 13 form mirror symmetry, and the axial pressure-bearing carbon fiber sleeve 15 is obtained by winding and curing carbon fibers on the upper and lower cantilevers 9a and 9b forming mirror symmetry in a winding direction parallel to the axial direction (i.e., forming a zero included angle with the axial direction) through resin.
In order to facilitate manufacture and ensure firmness of use, in this embodiment, the cantilever 9a and the upper force transmission end 12 and the cantilever 9b and the lower force transmission end 13 are integrally formed.
What needs to be explained here is: because the clamp holder of the utility model is provided with the circumferential pressure-bearing carbon fiber sleeve and the axial pressure-bearing carbon fiber sleeve, the axial stress and the circumferential stress are completely separated and do not influence each other, so that the clamp holder can simultaneously bear high confining pressure and high axial load; moreover, the cylinder 11 can be made of different materials according to specific use environments, such as: the titanium alloy can simultaneously meet the requirements of high temperature, high ray penetration, non-magnetism and the like; the rubber can meet the requirements of high ray penetration, no magnetism, low weight and the like; the polytetrafluoroethylene can meet the requirements of corrosion resistance, high temperature, high ray penetration, no magnetism, low weight and the like, has the main functions of sealing internal media (gas or liquid) and supporting the circumferential pressure-bearing carbon fiber sleeve 14 wound on the periphery of the polytetrafluoroethylene; the barrel 11 is typically thin to facilitate the detection of the sample inside by external probing instruments. When winding carbon fiber, need to solidify carbon fiber with resin, the technique of carbon fiber winding with resin solidification has been widely used in fields such as aircraft shell, car shell, bicycle support, fishing rod, concrete reinforcement, yacht, racing boat, for known technique, do not do the repeated description here. Because the carbon fiber has no influence or has little influence on the penetrability of the ray, the clamp holder of the utility model can be used in the CT scanner with the requirement on the penetrability of the ray. In addition, by selecting the material of the loading cylinder 2, for example: the titanium alloy, the aluminum alloy, the magnesium alloy or the carbon fiber composite material with low density and high strength is selected, so that the weight of the whole loading device can be further reduced, and the requirements of higher conditions (large axial load and light weight) of a CT scanning experiment are met.
To sum up it can be seen, the utility model provides a triaxial experimental apparatus, because high axial load (up to 10000KN) and lightweight can be realized to holder wherein, and do not influence the ray penetrability, therefore can use with the CT scanning cooperation, and during the experiment, only need put into the revolving stage in the CT built-in with the assembly body of holder and loading cylinder, wherein axial compression loading system and confined pressure loading system need not put into the CT built-in, only need through the pipeline respectively with holder and loading cylinder be connected can, not only convenient to use, easy operation can realize utilizing CT scanning technique real-time supervision sample microstructure change at the triaxial experimentation, but also have simple structure, advantage such as easy dismouting and maintenance, consequently, the utility model discloses have important value to the research of geological exploration and rock core rerum nature, application prospect is extensive.
It is finally necessary to point out here: the above description is only for the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention should be covered by the protection scope of the present invention.
Claims (10)
1. A triaxial experimental apparatus capable of cooperating with CT scanning, comprising: holder, loading cylinder, axle load loading system and confined pressure loading system, its characterized in that: the clamp comprises a cylinder body, an upper force transmission end and a lower force transmission end, wherein the upper force transmission end and the lower force transmission end are respectively connected with two ends of the cylinder body, a circumferential pressure-bearing carbon fiber sleeve and an axial pressure-bearing carbon fiber sleeve are arranged outside the cylinder body, a loading cylinder is detachably and fixedly connected with the lower force transmission end, a T-shaped piston is arranged in the loading cylinder, the head of the T-shaped piston and the inner cavity of the lower force transmission end form sealing connection capable of axially moving, a hydraulic oil conveying channel is arranged at the bottom of the loading cylinder, the inner port of the hydraulic oil conveying channel is communicated with the inner cavity of the loading cylinder, and the outer port of the hydraulic oil conveying channel is connected with; and the confining pressure liquid outlet hole communicated with the confining pressure cavity is formed in the upper force transmission end, the confining pressure liquid injection hole communicated with the confining pressure cavity is formed in the lower force transmission end, and the confining pressure liquid outlet hole and the confining pressure liquid injection hole are respectively connected with the confining pressure loading system in a closed loop mode through pipelines.
2. The triaxial experimental apparatus of claim 1, wherein: the axial pressure-bearing carbon fiber sleeve is obtained by wrapping, winding and curing carbon fibers on the upper and lower bearing shoulders in a winding direction which is inclined to the axial direction through resin.
3. The triaxial experimental apparatus of claim 1, wherein: the cantilever positioned on the upper force transmission end and the cantilever positioned on the lower force transmission end form mirror symmetry, and the axial pressure-bearing carbon fiber sleeve is obtained by winding and curing carbon fibers on the upper and lower cantilevers forming mirror symmetry in a winding direction parallel to the axial direction through resin.
4. The triaxial experimental apparatus of claim 1, wherein: the barrel and the upper force transmission end and the lower force transmission end are in a splicing structure or an integrated structure.
5. The triaxial experimental apparatus of claim 1 or 4, wherein: the upper force transmission end and the lower force transmission end are both cylindrical barrels sharing a central shaft with the barrel body.
6. The triaxial experimental apparatus of claim 1, wherein: the inner cavity of the upper force transmission end is provided with a sealing pressing block which is connected with the upper end of the cylinder body in a sealing way and a compression nut which is connected with the inner wall of the upper force transmission end in an inner thread way.
7. The triaxial experimental apparatus of claim 1, wherein: the loading cylinder is connected with the lower force transmission end head through threads.
8. The triaxial experimental apparatus of claim 1, wherein: the axle load system comprises a hydraulic oil tank, a hydraulic oil pump and a pressure sensor, wherein an oil inlet of the hydraulic oil pump is connected with a pipeline of the hydraulic oil tank, an oil outlet of the hydraulic oil pump is connected with an outer port pipeline of a hydraulic oil conveying channel, and the pressure sensor is arranged on a pipeline connected with an outer port of the hydraulic oil pump and the outer port of the hydraulic oil conveying channel.
9. The triaxial experimental apparatus of claim 1, wherein: the confining pressure loading system comprises a liquid injection pump, a confining pressure liquid storage tank and an automatic pressure regulating valve, wherein an oil inlet of the liquid injection pump is connected with the confining pressure liquid storage tank through a pipeline, an oil outlet of the liquid injection pump is connected with a confining pressure liquid injection hole through a pipeline, a confining pressure liquid outlet hole is connected with the confining pressure liquid storage tank through a pipeline, and the automatic pressure regulating valve is connected in series on the pipeline between the confining pressure liquid outlet hole and the confining pressure liquid storage tank.
10. The triaxial experimental apparatus of claim 9, wherein: the confining pressure loading system further comprises a liquid inlet pressure sensor and a liquid outlet pressure sensor, the liquid inlet pressure sensor is connected in series to a pipeline between the liquid injection pump and the confining pressure liquid injection hole, and the liquid outlet pressure sensor is connected in series to a pipeline between the confining pressure liquid outlet hole and the automatic pressure regulating valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921137894.3U CN210221674U (en) | 2019-07-19 | 2019-07-19 | Triaxial experimental device capable of being matched with CT scanning |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921137894.3U CN210221674U (en) | 2019-07-19 | 2019-07-19 | Triaxial experimental device capable of being matched with CT scanning |
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| Publication Number | Publication Date |
|---|---|
| CN210221674U true CN210221674U (en) | 2020-03-31 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921137894.3U Expired - Fee Related CN210221674U (en) | 2019-07-19 | 2019-07-19 | Triaxial experimental device capable of being matched with CT scanning |
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| CN (1) | CN210221674U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111855420A (en) * | 2020-07-13 | 2020-10-30 | 中国石油大学(北京) | Rock test confining pressure applying device and test method thereof |
| CN114324032A (en) * | 2021-12-20 | 2022-04-12 | 中机试验装备股份有限公司 | Be used for high temperature low cycle fatigue test anchor clamps |
-
2019
- 2019-07-19 CN CN201921137894.3U patent/CN210221674U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111855420A (en) * | 2020-07-13 | 2020-10-30 | 中国石油大学(北京) | Rock test confining pressure applying device and test method thereof |
| CN114324032A (en) * | 2021-12-20 | 2022-04-12 | 中机试验装备股份有限公司 | Be used for high temperature low cycle fatigue test anchor clamps |
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