CN216361790U - A rock core clamping device for rock core monitoring - Google Patents
A rock core clamping device for rock core monitoring Download PDFInfo
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- CN216361790U CN216361790U CN202123066386.0U CN202123066386U CN216361790U CN 216361790 U CN216361790 U CN 216361790U CN 202123066386 U CN202123066386 U CN 202123066386U CN 216361790 U CN216361790 U CN 216361790U
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Abstract
The utility model discloses a rock core clamping device for rock core monitoring, which comprises a shell assembly, a fixed end assembly, a pressure end assembly and an electrode assembly, wherein the fixed end assembly is arranged at one end in the shell assembly; the electrode assembly comprises a first electrode plate and a second electrode plate, the first electrode plate is arranged on the fixed end assembly, the second electrode plate is fixedly arranged on the pressure end assembly, the sample is filled between the first electrode plate and the second electrode plate, the first electrode plate and the second electrode plate are not in contact with the inner wall of the shell assembly, a first conductive cable is arranged on the first electrode plate and penetrates through the fixed end assembly, a second conductive cable is arranged on the second electrode plate and penetrates through the pressure end assembly. Two polar plates are arranged, and a sample is placed between the two polar plates, so that the resistivity of the rock core can be measured more accurately.
Description
Technical Field
The utility model relates to the technical field of core clamping, in particular to a core clamping device for core monitoring.
Background
In the prior art, the situation of measuring the resistivity of the core is often encountered, but no holder capable of accurately measuring the resistivity exists in the prior art. Meanwhile, the experiment needs to be repeated for many times when the resistivity is accurately measured, in the existing core clamping, the sample needs to be compressed again when the sample is reloaded every time, and the force in the compression mode has different magnitude, so that the samples are in different contact, and the result of measuring the resistivity is greatly different.
SUMMERY OF THE UTILITY MODEL
The utility model aims to overcome the defects of the prior art and provides a core clamping device for core monitoring.
The purpose of the utility model is realized by the following technical scheme:
a rock core clamping device for rock core monitoring comprises a shell assembly, a fixed end assembly, a pressure end assembly and an electrode assembly, wherein the fixed end assembly is arranged at one end in the shell assembly, the pressure end assembly is arranged at the other end in the shell assembly, and the electrode assembly is arranged in the shell assembly and is used for detecting the resistivity of a sample;
the electrode assembly comprises a first polar plate and a second polar plate, the first polar plate is arranged on the fixed end assembly, the second polar plate is fixedly arranged on the pressure end assembly, the sample is filled in the first polar plate and between the second polar plate, the first polar plate and the second polar plate are not in contact with the inner wall of the shell assembly, a first conductive cable is arranged on the first polar plate and is used for penetrating through the inside of the fixed end assembly, a second conductive cable is arranged on the second polar plate and is used for penetrating through the inside of the pressure end assembly.
Further, the shell assembly comprises an outer shell and an inner shell, the inner shell is insulated inside the outer shell, the outer shell is matched with the inner shell, one end of the inner shell is matched with the fixed end assembly, and the other end of the inner shell is matched with the pressure end assembly.
Further, the fixed end subassembly includes first solid fixed ring and fixed stopper, first fixed ring is fixed to be set up on the inner wall of shell body one end, fixed stopper is the step shaft setting, the less end setting of diameter of fixed stopper is in the first fixed ring, the great end of diameter of fixed stopper with the inner wall cooperation of interior casing, first electrically conductive cable sets up in the fixed stopper.
Furthermore, a first through hole is formed in the fixing plug in a penetrating mode, the first through hole is formed in the length direction of the fixing plug, and an inlet and outlet hole matched with the first through hole is formed in the first pole plate.
Further, the pressure end subassembly includes the solid fixed ring of second, piston chamber and piston, the fixed setting of second fixed ring is in on the inner wall of the shell body other end, the piston chamber is fixed to be set up on the solid fixed ring of second, the middle part of piston with the sealed cooperation in piston chamber, the one end of piston with the cooperation of interior shell body inner wall, the solid fixed ring of second with all be provided with on the piston chamber with piston chamber other end complex hole, the electrically conductive cable of second sets up in the piston.
Furthermore, a second through hole penetrating through the piston is formed in the piston, the second through hole is formed in the length direction of the piston, and an inlet and outlet hole matched with the second through hole is formed in the second pole plate.
Furthermore, the end part of the piston cavity is provided with a first sealing ring, the first sealing ring is matched with the end part of the piston, the middle part of the piston is provided with a second sealing ring, and the second sealing ring is matched with the inner wall of the piston cavity.
Further, a detection sensor is arranged in the piston cavity.
Further, the detection sensor is a liquid pressure sensor.
Further, the cross sections of the outer shell and the inner shell are both circular ring-shaped.
The utility model has the beneficial effects that:
1) in the device, two polar plates are arranged, and a sample is placed between the two polar plates, so that the resistivity of the rock core can be measured more accurately.
2) In the device, the pressure sensor is arranged in the piston cavity, so that the pressure received by the sample can be effectively controlled to be the same in the pressing process, and the error generated in the measuring process is reduced.
Drawings
FIG. 1 is a schematic view of the connection structure of the present apparatus;
in the figure, 1-sample, 2-first polar plate, 3-second polar plate, 4-first conductive cable, 5-second conductive cable, 6-outer shell, 7-inner shell, 8-first fixing ring, 9-fixing plug, 10-first through hole, 11-second fixing ring, 12-piston cavity, 13-piston, 14-second through hole, 15-first sealing ring, 16-second sealing ring, and 17-detection sensor.
Detailed Description
The technical solutions of the present invention will be described clearly and completely with reference to the following embodiments, and it should be understood that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art without inventive effort based on the embodiments of the present invention, are within the scope of the present invention.
Referring to fig. 1, the present invention provides a technical solution:
a rock core clamping device for rock core monitoring comprises a shell assembly, a fixed end assembly, a pressure end assembly and an electrode assembly, wherein the fixed end assembly is arranged at one end in the shell assembly, the pressure end assembly is arranged at the other end in the shell assembly, and the electrode assembly is arranged in the shell assembly and is used for detecting the resistivity of a sample 1; the electrode assembly comprises a first electrode plate 2 and a second electrode plate 3, the first electrode plate 2 is arranged on a fixed end assembly, the second electrode plate 3 is fixedly arranged on a pressure end assembly, the sample 1 is filled between the first electrode plate 2 and the second electrode plate 3, the first electrode plate 2 and the second electrode plate 3 are not in contact with the inner wall of the shell assembly, a first conductive cable 4 is arranged on the first electrode plate 2, the first conductive cable 4 penetrates through the fixed end assembly, a second conductive cable 5 is arranged on the second electrode plate 3, and the second conductive cable 5 penetrates through the pressure end assembly. Wherein the resistivity of the sample 1 is measured by the first polar plate 2, the second polar plate 3, the first conductive cable 4 and the second conductive cable 5, and the other ends of the first conductive cable 4 and the second conductive cable 5 are connected to a test device, and then the resistivity of the sample 1 is measured by electrifying. The shell assembly is mainly used for bearing the pressure of the pressure end assembly, so that the sample 1 is in a compacted state between the first polar plate 2 and the second polar plate 3, and the influence of a gap between the interiors of the sample 1 on the result is reduced. The first plate 2 and the second plate 3 are both made of a metal conductive material, such as silver, copper, etc.
In some embodiments, the housing assembly includes an outer housing 6 and an inner housing 7, the outer housing 6 is internally disposed with the insulated inner housing 7, and the outer housing 6 is engaged with the inner housing 7, one end of the inner housing 7 is engaged with the fixed end assembly, and the other end of the inner housing 7 is engaged with the pressure end assembly. The cross sections of the outer shell 6 and the inner shell 7 are both circular ring type. The outer shell 6 is made of two halves of the same metal shell and mainly bears axial tension and extrusion force of the sample 1, the inner shell 7 is made of an insulating material, and ceramic is selected in the scheme.
In some embodiments, the fixed end assembly comprises a first fixing ring 8 and a fixing plug 9, the first fixing ring 8 is fixedly arranged on the inner wall of one end of the outer shell 6, the fixing plug 9 is arranged in a stepped shaft mode, the smaller diameter end of the fixing plug 9 is arranged in the first fixing ring 8, the larger diameter end of the fixing plug 9 is matched with the inner wall of the inner shell 7, and the first conductive cable 4 is arranged in the fixing plug 9. The fixing plug 9 is provided with a first through hole 10 which penetrates through the fixing plug, the first through hole 10 is arranged along the length direction of the fixing plug 9, and the first polar plate 2 is provided with an inlet and outlet hole matched with the first through hole 10. Wherein, first solid fixed ring 8 is fixed to be set up on outer casing 6, and fixed stopper 9 is fixed to be set up at first solid fixed ring 8, sets up like this and makes things convenient for fixed stopper 9 to damage the heel and trade, and the convenient follow-up liquid material that adds to sample 1 in business turn over hole conveniently measures the influence to resistivity after different liquid combines with sample 1.
In some embodiments, the pressure end assembly includes a second fixing ring 11, a piston cavity 12 and a piston 13, the second fixing ring 11 is fixedly disposed on the inner wall of the other end of the outer shell 6, the piston cavity 12 is fixedly disposed on the second fixing ring 11, the middle portion of the piston 13 is in sealing fit with the piston cavity 12, one end of the piston 13 is in fit with the inner wall of the inner shell 7, holes which are matched with the other end of the piston cavity 12 are disposed on the second fixing ring 11 and the piston cavity 12, and the second conductive cable 5 is disposed in the piston 13. A second through hole 14 is formed in the piston 13 in a penetrating mode, the second through hole 14 is formed in the length direction of the piston 13, and an inlet and outlet hole matched with the second through hole 14 is formed in the second pole plate 3. The end of the piston cavity 12 is provided with a first sealing ring 15, the first sealing ring 15 is matched with the end of the piston 13, the middle of the piston 13 is provided with a second sealing ring 16, and the second sealing ring 16 is matched with the inner wall of the piston cavity 12. A detection sensor 17 is provided in the piston chamber 12. The detection sensor 17 is a liquid pressure sensor. Wherein, the piston 13 in the pressure end component is used for compacting the sample 1, and the liquid pressure sensor is used for measuring the pressure generated by the liquid in the piston cavity 12, thereby facilitating the comparison in the subsequent measurement. The first sealing ring 15 and the second sealing ring 16 are used for preventing liquid leakage, and the liquid in the piston cavity 12 is connected with an external hydraulic device through a pipeline, so that the liquid is conveniently injected into the piston cavity 12, and the piston 13 is pushed to move.
The foregoing is illustrative of the preferred embodiments of this invention, and it is to be understood that the utility model is not limited to the precise form disclosed herein and that various other combinations, modifications, and environments may be resorted to, falling within the scope of the concept as disclosed herein, either as described above or as apparent to those skilled in the relevant art. And that modifications and variations may be effected by those skilled in the art without departing from the spirit and scope of the utility model as defined by the appended claims.
Claims (10)
1. The utility model provides a rock core clamping device for rock core monitoring which characterized in that: the resistivity tester comprises a shell assembly, a fixed end assembly, a pressure end assembly and an electrode assembly, wherein the fixed end assembly is arranged at one end of the interior of the shell assembly, the pressure end assembly is arranged at the other end of the interior, and the electrode assembly is arranged in the interior of the shell assembly and is used for detecting the resistivity of a test sample (1);
the electrode assembly comprises a first electrode plate (2) and a second electrode plate (3), the first electrode plate (2) is arranged on the fixed end assembly, the second electrode plate (3) is fixedly arranged on the pressure end assembly, the sample (1) is filled between the first electrode plate (2) and the second electrode plate (3), the first electrode plate (2) and the second electrode plate (3) are not in contact with the inner wall of the shell assembly, a first conductive cable (4) is arranged on the first electrode plate (2), the first conductive cable (4) is arranged on the second electrode plate (3) and penetrates through the inside of the fixed end assembly, a second conductive cable (5) is arranged on the second electrode plate (3), and the second conductive cable (5) penetrates through the inside of the pressure end assembly.
2. The core holding device for core monitoring as claimed in claim 1, characterized in that: the casing subassembly includes shell body (6) and interior casing (7), shell body (6) inside is provided with insulating interior casing (7), just shell body (6) with interior casing (7) cooperation, the one end of interior casing (7) with the cooperation of stiff end subassembly, the other end of interior casing (7) with the cooperation of pressure end subassembly.
3. A core holding device for core monitoring as claimed in claim 2, characterized in that: the fixed end assembly comprises a first fixing ring (8) and a fixing plug (9), the first fixing ring (8) is fixedly arranged on the inner wall of one end of the outer shell (6), the fixing plug (9) is arranged in a stepped shaft mode, the smaller diameter end of the fixing plug (9) is arranged in the first fixing ring (8), the larger diameter end of the fixing plug (9) is matched with the inner wall of the inner shell (7), and the first conductive cable (4) is arranged in the fixing plug (9).
4. A core holding device for core monitoring as claimed in claim 3, characterized in that: the fixed stopper (9) is provided with a first through hole (10) which penetrates through the fixed stopper, the first through hole (10) is arranged along the length direction of the fixed stopper (9), and the first polar plate (2) is provided with an inlet and outlet hole matched with the first through hole (10).
5. A core holding device for core monitoring as claimed in claim 4, characterized in that: the pressure end subassembly includes solid fixed ring of second (11), piston chamber (12) and piston (13), the solid fixed ring of second (11) is fixed to be set up on the inner wall of shell body (6) other end, piston chamber (12) are fixed to be set up on the solid fixed ring of second (11), the middle part of piston (13) with piston chamber (12) seal fit, the one end of piston (13) with interior casing (7) inner wall cooperation, the solid fixed ring of second (11) with all be provided with on piston chamber (12) with piston chamber (12) other end complex hole, the setting of second electrically conductive cable (5) is in piston (13).
6. A core holding device for core monitoring as claimed in claim 5, characterized in that: the piston (13) is provided with a through second through hole (14), the second through hole (14) is arranged along the length direction of the piston (13), and the second pole plate (3) is provided with an inlet and outlet hole matched with the second through hole (14).
7. A core holding device for core monitoring as claimed in claim 5, characterized in that: the end part of the piston cavity (12) is provided with a first sealing ring (15), the first sealing ring (15) is matched with the end part of the piston (13), the middle part of the piston (13) is provided with a second sealing ring (16), and the second sealing ring (16) is matched with the inner wall of the piston cavity (12).
8. A core holding device for core monitoring as claimed in claim 5, characterized in that: and a detection sensor (17) is arranged in the piston cavity (12).
9. The core holding device for core monitoring as recited in claim 8, wherein: the detection sensor (17) is a liquid pressure sensor.
10. A core holding device for core monitoring as claimed in claim 2, characterized in that: the cross sections of the outer shell (6) and the inner shell (7) are both circular ring type.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123066386.0U CN216361790U (en) | 2021-12-08 | 2021-12-08 | A rock core clamping device for rock core monitoring |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123066386.0U CN216361790U (en) | 2021-12-08 | 2021-12-08 | A rock core clamping device for rock core monitoring |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216361790U true CN216361790U (en) | 2022-04-22 |
Family
ID=81190927
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123066386.0U Active CN216361790U (en) | 2021-12-08 | 2021-12-08 | A rock core clamping device for rock core monitoring |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216361790U (en) |
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2021
- 2021-12-08 CN CN202123066386.0U patent/CN216361790U/en active Active
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