CN217084478U - Deep rock mechanical property survey device - Google Patents
Deep rock mechanical property survey device Download PDFInfo
- Publication number
- CN217084478U CN217084478U CN202220776585.6U CN202220776585U CN217084478U CN 217084478 U CN217084478 U CN 217084478U CN 202220776585 U CN202220776585 U CN 202220776585U CN 217084478 U CN217084478 U CN 217084478U
- Authority
- CN
- China
- Prior art keywords
- axial
- barrel
- cavity
- mechanical property
- sample
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 239000011435 rock Substances 0.000 title claims abstract description 39
- 238000005259 measurement Methods 0.000 claims abstract description 15
- 238000009413 insulation Methods 0.000 claims abstract description 14
- 238000010438 heat treatment Methods 0.000 claims abstract description 13
- 238000009434 installation Methods 0.000 claims abstract description 4
- 238000007789 sealing Methods 0.000 claims description 7
- 238000002474 experimental method Methods 0.000 claims description 6
- 238000006073 displacement reaction Methods 0.000 claims description 3
- 230000035699 permeability Effects 0.000 claims description 3
- 238000012360 testing method Methods 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
Images
Landscapes
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The utility model provides a deep rock mechanics characteristic survey device, includes barrel, lower flange, heating insulation cover, axial pressure device, radial pressure device and sensor, the removable lower flange that is used for opening barrel lower extreme installation sample that is equipped with of barrel lower extreme, the barrel upper end is equipped with the axial pressure device who exerts axial pressure to the sample in the barrel, is equipped with the radial pressure device who exerts radial pressure to the sample in the barrel, and the heating insulation cover is established to barrel outside cover, still is equipped with the sensor that detects the parameter in the barrel. Has the advantages that: the structure is simple, and the measurement precision is good; wear resistance and long service life.
Description
Technical Field
The patent of the utility model relates to a deep rock mechanical properties survey device.
Background
At the present stage, the measurement of the volume deformation of the rock sample by using the hard rock true triaxial testing machine most commonly adopts a measurement mode that a strain gauge is matched with a strain gauge sensor, but the following defects which cannot be overcome still exist in the measurement mode that the strain gauge is matched with the strain gauge sensor: the strain gauge has the measurement locality, the deformation information of the strain gauge can only reflect the local deformation characteristics of the rock sample, and the reaction capability of the strain gauge on the whole deformation of the rock sample is poor. The deformation of the strain gauge is easily affected by temperature, so that the deformation of the strain gauge is inaccurate, and the accuracy of a test result is affected.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the prior technical problem and providing a deep rock mechanics characteristic measuring device.
In order to achieve the above purpose, the utility model adopts the following technical scheme: the utility model provides a deep rock mechanics characteristic survey device, includes barrel, lower flange, heating insulation cover, axial pressure device, radial pressure device and sensor, the removable lower flange that is used for opening barrel lower extreme installation sample that is equipped with of barrel lower extreme, the barrel upper end is equipped with the axial pressure device who exerts axial pressure to the sample in the barrel, is equipped with the radial pressure device who exerts radial pressure to the sample in the barrel, and the heating insulation cover is established to barrel outside cover, still is equipped with the sensor that detects the parameter in the barrel.
Further, be equipped with logical chamber in the barrel, lead to the chamber and form the confining pressure room, lead to the chamber upper end and connect axial pressure device, lead to the chamber lower extreme and cover the lower flange, lower flange covers the back and leads to the chamber and keep sealed, leads to the intracavity and is equipped with radial pressure device, leads to the intracavity middle department and is used for the fixed mounting sample.
Furthermore, the upper end opening of the through cavity is small and is used for being connected with an axial pressurizing device, and the lower end opening of the through cavity is large and is covered by a lower flange.
Furthermore, a radial extensometer and an axial extensometer for measuring rock deformation are arranged in the through cavity.
Furthermore, the lower flange and the lower end of the cylinder are fixedly connected through a bolt, and a base for driving the lower flange to move up and down is arranged below the lower flange.
Furthermore, an upper plug is arranged at the upper end of the sample, a lower plug is arranged at the lower end of the sample, one end of an axial extensometer is arranged on the upper plug, and the other end of the axial extensometer is arranged on the lower plug.
Furthermore, be equipped with the experiment pipeline of connecting the confining pressure room in the base, be equipped with the sensor that is used for obtaining temperature, pressure, flow, displacement, permeability in the experiment pipeline.
Further, the axial pressurizing device comprises an axial pressure chamber, a pressure cap and an axial piston, the lower end of the axial pressure chamber is fixed at the upper end of the cylinder body in a sealing mode through a bolt, the pressure cap is arranged at the upper end of the axial pressure chamber and sealed through the pressure cap, the axial piston is located in the axial pressure chamber and is in sliding sealing with the inner side wall of the axial pressure chamber, the upper end of the axial piston penetrates through the pressure cap and is exposed to the outside, and the lower end of the axial piston penetrates through the axial pressure chamber and reaches the through cavity.
Furthermore, the heating insulation sleeve is a flexible heating insulation sleeve.
Furthermore, the outer side of the sample is also provided with a heat-shrinkable sleeve.
The utility model has the advantages that: the structure is simple, and the measurement precision is good; wear resistance and long service life.
Drawings
FIG. 1 is a cross-sectional view of the present apparatus.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely below with reference to the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.
Combine embodiment and attached 1, a deep rock mechanics characteristic survey device, including barrel 1, lower flange 2, heating insulation cover 3, axial pressure device, radial pressure device 4 and sensor, the removable lower flange that is used for opening barrel lower extreme installation sample that is equipped with of barrel lower extreme, the barrel upper end is equipped with the axial pressure device who exerts axial pressure to the sample in the barrel, be equipped with the radial pressure device who exerts radial pressure to the sample in the barrel, the heating insulation cover is established to barrel outside cover, still be equipped with the sensor of detection parameter in the barrel.
The utility model provides a deep rock mechanics characteristic survey device, is equipped with logical chamber in the barrel, leads to the chamber and forms the confining pressure room, leads to the chamber upper end and connects axial pressure device, leads to the chamber lower extreme and covers the lower flange, and lower flange covers the back and leads to the chamber and keep sealed, leads to the intracavity and is equipped with radial pressure device, leads to the intracavity centre department and is used for fixed mounting sample 5.
The deep rock mechanical property measuring device has small upper opening of the through cavity for connecting the axial pressurizing device and large lower opening of the through cavity covered with the lower flange.
A radial extensometer 6 and an axial extensometer for measuring rock deformation are arranged in a through cavity.
A deep rock mechanical property measuring device is characterized in that a lower flange and the lower end of a cylinder are fixedly connected through a bolt 7, and a base 8 for driving the lower flange to move up and down is arranged below the lower flange.
The deep rock mechanical property measuring device is characterized in that an upper plug 9 is arranged at the upper end of a sample, a lower plug 10 is arranged at the lower end of the sample, one end of an axial extensometer is arranged on the upper plug, and the other end of the axial extensometer is arranged on the lower plug.
The utility model provides a deep rock mechanics characteristic survey device, is equipped with the experiment pipeline of connecting the confining pressure room in the base, is equipped with the sensor that is used for obtaining temperature, pressure, flow, displacement, permeability in the experiment pipeline.
The deep rock mechanical property measuring device comprises an axial pressure chamber 11, a pressure cap 12 and an axial piston 13, wherein the lower end of the axial pressure chamber is fixed at the upper end of a cylinder body in a sealing mode through a second bolt 20, the upper end of the axial pressure chamber is provided with the pressure cap which is sealed through the pressure cap, the axial piston is located in the axial pressure chamber and is in sliding sealing with the inner side wall of the axial pressure chamber, the upper end of the axial piston penetrates through the pressure cap and is exposed to the outside, and the lower end of the axial piston penetrates through the axial pressure chamber to reach a through cavity.
The mechanical characteristic measuring device for deep rock has axial piston with lower end sealed to the cylinder.
The mechanical characteristic measuring device for deep rock has axial piston with upper end sealed with the pressure cap.
A mechanical property measuring device for deep rocks is characterized in that a heating insulation sleeve is a flexible heating insulation sleeve.
A device for measuring mechanical properties of deep rocks is characterized in that a thermal shrinkage sleeve is further arranged on the outer side of a sample, and the upper end and the lower end of the thermal shrinkage sleeve are fixed with an upper plug and a lower plug through O-shaped rings 19.
The utility model provides a deep rock mechanics characteristic survey device, axial piston lower extreme connects the top cap, and the axial extensometer includes axial extensometer upper fixing ring 14, axial extensometer lower fixing ring 15 and lead screw 16, and axial extensometer upper fixing ring is fixed in the top cap side, and axial extensometer lower fixing ring is fixed in the bottom cap side. The upper end of the screw rod is arranged on the upper fixing ring of the axial extensometer, and the lower end of the screw rod is arranged on the lower fixing ring of the axial extensometer.
The deep rock mechanical property measuring device is characterized in that an adjusting nut 17 is further arranged at the upper end of a screw rod.
A measuring device for deep rock mechanical characteristics is provided, wherein an upper core chamber is arranged between the lower end of an axial piston and an upper plug.
A measuring device for mechanical properties of deep rocks is provided, wherein a radial extensometer is surrounded on the outer side of a sample.
A deep rock mechanical property measuring device is provided, wherein a check ring 18 and an O-shaped ring 19 are arranged at the sealing position of each component.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (10)
1. The utility model provides a deep rock mechanics characteristic survey device, includes barrel, lower flange, heating insulation cover, axial pressure device, radial pressure device and sensor, its characterized in that: the detachable lower flange that is used for opening barrel lower extreme installation sample that is equipped with of barrel lower extreme, the barrel upper end is equipped with the axial pressure device that exerts axial pressure to the sample in the barrel, is equipped with the radial pressure device that exerts radial pressure to the sample in the barrel, and the barrel outside cover is established and is heated the insulation cover, still is equipped with the sensor that detects the parameter in the barrel.
2. The deep rock mechanical property measurement device according to claim 1, wherein: the inner part of the barrel is provided with a through cavity, the through cavity forms a confining pressure chamber, the upper end of the through cavity is connected with an axial pressurizing device, the lower end of the through cavity covers a lower flange, the lower flange is sealed with the through cavity after being covered, a radial pressurizing device is arranged in the through cavity, and the middle part in the through cavity is used for fixedly mounting a sample.
3. The deep rock mechanical property measurement device according to claim 2, wherein: the upper end opening of the through cavity is small and is used for connecting an axial pressurizing device, and the lower end opening of the through cavity is large and is covered by a lower flange.
4. The deep rock mechanical property measurement device according to claim 3, wherein: and a radial extensometer and an axial extensometer for measuring rock deformation are arranged in the through cavity.
5. The deep rock mechanical property measurement device according to claim 4, wherein: the lower flange is fixedly connected with the lower end of the cylinder body through bolts, and a base for driving the lower flange to move up and down is arranged below the lower flange.
6. The deep rock mechanical property measurement device according to claim 5, wherein: an upper plug is arranged at the upper end of the sample, a lower plug is arranged at the lower end of the sample, one end of an axial extensometer is arranged on the upper plug, and the other end of the axial extensometer is arranged on the lower plug.
7. The deep rock mechanical property measurement device according to claim 5, wherein: be equipped with the experiment pipeline of connecting the confining pressure room in the base, be equipped with the sensor that is used for obtaining temperature, pressure, flow, displacement, permeability in the experiment pipeline.
8. The deep rock mechanical property measurement device according to claim 1, wherein: the axial pressurizing device comprises an axial pressure chamber, a pressure cap and an axial piston, the lower end of the axial pressure chamber is fixed at the upper end of the cylinder body in a sealing mode through a bolt, the pressure cap is arranged at the upper end of the axial pressure chamber and sealed through the pressure cap, the axial piston is located in the axial pressure chamber and is in sliding sealing with the inner side wall of the axial pressure chamber, the upper end of the axial piston penetrates through the pressure cap and is exposed to the outside, and the lower end of the axial piston penetrates through the axial pressure chamber and reaches the through cavity.
9. The deep rock mechanical property measurement device according to claim 1, wherein: the heating insulation cover is a flexible heating insulation cover.
10. The deep rock mechanical property measurement device according to claim 1, wherein: and a thermal shrinkage sleeve is arranged on the outer side of the sample.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220776585.6U CN217084478U (en) | 2022-04-06 | 2022-04-06 | Deep rock mechanical property survey device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220776585.6U CN217084478U (en) | 2022-04-06 | 2022-04-06 | Deep rock mechanical property survey device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217084478U true CN217084478U (en) | 2022-07-29 |
Family
ID=82554657
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220776585.6U Expired - Fee Related CN217084478U (en) | 2022-04-06 | 2022-04-06 | Deep rock mechanical property survey device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217084478U (en) |
-
2022
- 2022-04-06 CN CN202220776585.6U patent/CN217084478U/en not_active Expired - Fee Related
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN108562498B (en) | Device for high-temperature high-pressure axial compression test and application method thereof | |
| Take et al. | A new device for the measurement of negative pore water pressures in centrifuge models | |
| CN111982692A (en) | Long-term deformation testing method for rock under different stress components and application thereof | |
| Laloui et al. | Advances in volume measurement in unsaturated soil triaxial tests | |
| CN217084478U (en) | Deep rock mechanical property survey device | |
| CN106404381A (en) | One-way valve pressure-displacement testing device | |
| CN109900409A (en) | A kind of static breaking agent is radially expanded pressure test method | |
| CN212871709U (en) | High-temperature and high-pressure testing device for packer rubber barrel | |
| CN211453275U (en) | Soft rock damage failure instability and dynamic permeability characteristic basic data acquisition device | |
| CN207379812U (en) | A kind of force measuring device suitable under high temperature and high pressure environment | |
| CN208833206U (en) | A kind of hydraulic type deformation test sensor | |
| CN213179848U (en) | Test bench for measuring end face film thickness and film pressure of sealing device | |
| CN110987326B (en) | Experimental device for evaluating sealing capacity of packer rubber barrel | |
| CN206192645U (en) | Check valve pressure displacement testing device | |
| CN109115134B (en) | Hydraulic deformation test sensor | |
| CN214408627U (en) | Force measuring device suitable for extreme multi-factor coupling environment | |
| CN210221712U (en) | Triaxial pressure chamber for rock test | |
| CN108168621B (en) | Device for simultaneously measuring water pressure, temperature and mining stress | |
| US3407652A (en) | Double acting fluid load cell | |
| CN106644264A (en) | Calibration connection device for ocean pressure sensor | |
| CN208254975U (en) | A kind of device for axial compression test under high temperature and pressure | |
| CN207981097U (en) | Accurate device for measuring force in a kind of autoclave | |
| CN215632935U (en) | Sector acoustic system structure suitable for sidetracking well cementation quality detection | |
| CN115876368B (en) | Force transducer for high-temperature high-pressure water environment and assembly method thereof | |
| CN210108261U (en) | Elastic measuring head for measuring aperture |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20220729 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |