CN214560299U - Adjustable rock core clamping device - Google Patents
Adjustable rock core clamping device Download PDFInfo
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- CN214560299U CN214560299U CN202120654529.0U CN202120654529U CN214560299U CN 214560299 U CN214560299 U CN 214560299U CN 202120654529 U CN202120654529 U CN 202120654529U CN 214560299 U CN214560299 U CN 214560299U
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Abstract
The utility model discloses an adjustable rock core clamping device, which comprises a tiltable structure and a rock core clamping device arranged on the tiltable structure; wherein the tiltable structure comprises a fixed body and a rotating body; the rotating body is rotationally connected with the fixed body, and the included angle between the rotating body and the fixed body is adjustable; the core holder is connected with the rotating body. The core holder is arranged on the inclinable structure, so that the core holder can incline to simulate real rock stratum conditions. In addition, this application still uses support stud to connect base and tiltable structure, uses the threaded rod to connect rock core holder and tiltable structure simultaneously, has avoided in the experimentation holder and base to break away from, leads to the experiment failure, and the personal safety also can't obtain the problem of guarantee. Meanwhile, the support screw rod can be replaced after deformation due to long service life, so that the horizontal simulation experiment is not distorted, and the accuracy of the result is ensured.
Description
Technical Field
The application relates to an adjustable rock core clamping device, in particular to a rock core clamping device capable of rotating and lifting, and belongs to the technical field of petroleum development.
Background
The core holder is one of the most widely used basic components in petroleum development tests, and is used in the current evaluation tests for simulating and evaluating the reserves of reservoir gas and coal bed gas and the damage degree of drilling fluid and completion fluid to the reservoir in the drilling process.
The core holder is a tool for carrying out corresponding physical property analysis experiments under a certain annular pressure condition. When the rock core holder is used, a related stratum rock core sample taken out from the underground is placed into the rock holder, and the rock holder can completely seal the side surface of the rock sample when testing fluid passes through the front end and the rear end of the rock core sample.
The existing core holder mostly adopts a horizontal radial flow mode to carry out various tests on cores in the holder. The actual stratum is not homogeneous, and the underground real stratum condition cannot be accurately simulated by adopting a horizontal radial flow mode.
SUMMERY OF THE UTILITY MODEL
An object of this application is to provide an adjustable rock core clamping device to solve the technical problem that the holder that current rock core holder exists can't accurately simulate the real rock stratum condition in underground.
The embodiment of the utility model provides an adjustable rock core clamping device, which comprises a tiltable structure and a rock core clamping device arranged on the tiltable structure;
the tiltable structure includes a fixed body and a rotating body;
the rotating body is rotationally connected with the fixed body, and an included angle between the rotating body and the fixed body is adjustable;
the core holder is connected with the rotating body.
Preferably, the fixing body comprises a fixing seat and two fixing blocks which are arranged on the fixing seat and are oppositely arranged;
the rotating body is sleeved on the two fixed blocks and connected with the fixed blocks through bolts, and rotates by taking the bolts as rotating shafts, so that the included angle between the rotating body and the fixed blocks is adjustable;
and a rotating gap is formed between the edge of the rotating body close to the fixed seat and the fixed seat.
Preferably, the device also comprises a pointer and a scale plate;
the scale plate is arranged on the side wall of the rotating body and rotates along with the rotating body;
the pointer is fixed on the fixed block and points to the scales on the scale plate.
Preferably, a threaded rod is also included;
one end of the threaded rod is fixedly connected with the core holder, the other end of the threaded rod is in threaded connection with the rotating body, and the threaded rod is rotated to enable the core holder to rotate.
Preferably, the device further comprises a base and a support stud;
the base is arranged on one side, far away from the core holder, of the fixed body;
the two ends of the supporting stud are respectively in threaded connection with the base and the fixing seat, and the supporting stud is rotated to adjust the relative distance between the base and the fixing seat.
Preferably, the fixing seat is annular, the joint of the fixing seat and the fixing blocks is in a step shape, and the distance between the two fixing blocks is greater than the inner diameter of the fixing seat;
the support stud is in threaded connection with the inner wall of the fixing seat.
Preferably, the fixing body further comprises a partition plate;
the partition plate is arranged at the joint of the fixed seat and the fixed block and used for limiting the position of the support stud.
Preferably, the base comprises a bottom plate and an adjusting seat;
the adjusting seat is arranged on the bottom plate;
the support stud is in threaded connection with the adjusting seat.
Preferably, the device further comprises an adjusting hand wheel;
the adjusting hand wheel is connected with the supporting stud.
The utility model discloses an adjustable rock core clamping device compares in prior art, has following beneficial effect:
the core holder is arranged on the inclinable structure, so that the core holder can incline to simulate real rock stratum conditions.
This application uses the fixed body and the rotator in the bolted connection inclinable structure, and this connecting device is simple, with low costs, and the inclination of adjustment rotator for the fixed body is more convenient.
In order to quantify the inclination angle of the rotating body relative to the fixed body, the application is further provided with a pointer and a corresponding scale plate.
This application still injects to use threaded rod to connect core holder and rotator to make core holder not only can produce the slope, still can rotate, thereby simulate real rock stratum condition better.
This application uses the support double-screw bolt to connect base and tiltable structure, uses the threaded rod to connect rock core holder and tiltable structure simultaneously, has avoided in the experimentation holder to break away from with the base, leads to the experiment failure, and personal safety also can't obtain the problem of guarantee. Meanwhile, the support stud can be replaced after deformation due to long service life, so that the horizontal simulation experiment cannot be distorted, and the accuracy of the result is ensured.
This application has still set up the baffle in the fixed body to the position of restriction support stud, it influences the bolt of connecting fixed body and rotator connection to avoid it.
This application has still set up adjusting hand wheel on supporting the double-screw bolt, utilizes adjusting hand wheel, and the rotatory supporting double-screw bolt of being convenient for increases the convenience of operation.
Drawings
Fig. 1 is a schematic structural view of an adjustable core holding device in an embodiment of the present invention;
fig. 2 is a schematic structural view of a fixing body in an embodiment of the present invention;
fig. 3 is a schematic view of the use of the scale plate and the pointer in the adjustable core holding device according to the embodiment of the present invention.
List of parts and reference numerals:
1. a core holder; 2. a threaded rod; 3. an internal thread groove; 4. a rotating body; 5. an upper through hole; 6. a partition plate; 7. a support stud; 8. adjusting a hand wheel; 9. a lower through hole; 10. an adjusting seat; 11. a base plate; 12. a fixed body; 121. a fixed block; 122. a fixed seat; 13. a pointer; 14. calibration; 15. a nut; 16. a bolt; 17. a scale plate.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or intervening elements may also be present.
In addition, it should be noted that the terms of orientation such as left, right, up and down in the embodiments of the present invention are only relative concepts or reference to the normal use state of the product, and should not be considered as limiting.
Fig. 1 is the embodiment of the utility model provides an in the embodiment adjustable rock core clamping device's structural schematic.
The embodiment of the utility model provides an adjustable rock core clamping device, which comprises a tiltable structure and a rock core clamping device 1 arranged on the tiltable structure; wherein the tiltable structure comprises a fixed body 12 and a rotating body 4; the rotating body 4 is rotationally connected with the fixed body 12, and the included angle between the rotating body 4 and the fixed body 12 is adjustable; the core holder 1 is connected with a rotary body 4. The core holder 1 is arranged on the inclinable structure, so that the core holder 1 can incline to simulate real rock stratum conditions.
Further, in order to realize the connection between the rotating body 4 and the fixed body 12, the fixed body 12 of the present embodiment includes a fixed seat 122 and two fixed blocks 121 disposed on the fixed seat 122 and opposite to each other; the rotating body 4 is sleeved on the two fixing blocks 121 and connected with the fixing blocks 121 through bolts 16, and nuts 15 are sleeved on the bolts 16. The rotating body 4 rotates by taking the bolt 16 as a rotating shaft, so that the included angle between the rotating body 4 and the fixed block 121 is adjustable; a rotating gap is formed between the edge of the rotating body 4 close to the fixing seat 122 and the fixing seat 122, and a gap is also left between the top of the fixing block 121 and the rotating body 4, so that the fixing body 12 is prevented from interfering the rotation of the rotating body 4.
In order to quantify the inclination angle of the rotating body 4 with respect to the fixed body 12, the present embodiment is further provided with a pointer 13 and a scale plate 17, and the scale plate 17 is provided with a scale 14. Wherein, the scale plate 17 is arranged on the side wall of the rotating body 4, so that the scale plate rotates along with the rotating body 4; the pointer 13 is fixed on the fixed block 12, the pointing direction of the pointer is unchanged, and the pointer 13 points to the scale 14 on the scale plate 17. By using the pointer 13 and the scale 17 in combination, the inclination angle of the rotary body 4 and, correspondingly, the inclination angle of the core holder 1 can be known unambiguously.
Further, the present embodiment also includes a threaded rod 2; one end of the threaded rod 2 is fixedly connected with the core holder 1, the other end of the threaded rod is in threaded connection with the rotating body 4, and the threaded rod 2 is rotated to enable the core holder 1 to rotate. The threaded rod 2 and the rotating body 4 are connected in a specific mode: the rotator 4 is provided with an internal thread groove 3, and the threaded rod 2 is connected with the internal thread groove 3. The embodiment also provides the threaded rod 2 on the basis of the inclinable structure, so that the core holder 1 can not only incline, but also rotate on the basis of inclination, and the real rock stratum condition can be better simulated.
The embodiment of the present application further comprises a base and a support stud 7; wherein, the base is arranged on one side of the fixed body 12 far away from the core holder 1; two ends of the support stud 7 are respectively connected with the base and the fixed seat 122 in the fixed body 12 through threads, and the support stud 7 is rotated to adjust the relative distance between the base and the fixed seat 122. This application uses support stud 7 to connect base and tiltable structure, uses threaded rod 2 to connect rock core holder 1 and tiltable structure simultaneously, has avoided in the experimentation holder to break away from with the base, leads to the experiment failure, and personal safety also can't obtain the problem of guarantee. Meanwhile, the support stud 7 can be replaced after deformation due to long service life, so that the horizontal simulation experiment cannot be distorted, and the accuracy of the result is ensured.
Further, the fixing seat 122 of the present embodiment is annular, the connection between the fixing seat 122 and the fixing blocks 121 is stepped, and the distance between the two fixing blocks 121 is greater than the inner diameter of the fixing seat 122; the support stud 7 is in threaded connection with the inner wall of the fixed seat 122.
Further, the fixing body of the present embodiment further includes a partition plate 6; the baffle 6 sets up in the junction of fixing base 122 and fixed block 121 for the position of restriction support stud 7, the inner chamber of baffle 6 in the middle of with the fixed body divide into through-hole 5 and lower through-hole 9 two parts, the diameter of going up through-hole 5 promptly the internal diameter, support stud 7 are located lower through-hole 9, and this kind of setting avoids support stud 7 to influence the bolt 16 of connecting fixed body 12 and rotator 4 connection.
The base of the embodiment comprises a bottom plate 11 and an adjusting seat 10; the adjusting seat 10 is arranged on the bottom plate 11; the support stud 7 is in threaded connection with the adjustment seat 10. The support studs 7 and the base plate 11 in this embodiment are both made of stainless steel corrosion resistant material.
In order to facilitate the rotation of the support stud 7 and increase the convenience of operation, the embodiment is also provided with an adjusting hand wheel 8; the adjusting hand wheel 8 is connected with the supporting stud 7, and the supporting stud 7 can be conveniently rotated by the adjusting hand wheel 8. The rock core holder 1 can be ensured to freely ascend and descend in the vertical direction by rotating the adjusting hand wheel 8, and the position of the rock core holder in the incubator can be conveniently adjusted.
The working process of the device of the embodiment is as follows: the core samples required for the experiment were first loaded into the core holder 1. And (4) installing plugs at two ends of the rock core holder 1. And adjusting the adjusting hand wheel 8 to ensure that the whole core clamping device is at a proper position in the incubator. And adjusting the inclination angle of the rotating body 4 according to the experimental requirements. At the inclination angle, the rock core holder 1 is rotated to adjust the horizontal direction, and the simulated rock core is in the underground horizontal direction, so that the rock core holder 1 can simulate the formation inclination angle. And closing heat insulation box doors at two sides of the constant temperature box, adjusting the experiment temperature, and starting a heating preparation experiment.
In this embodiment, the bottom plate 11 and the uppermost core holder 1 are connected by the support stud 7, so that the balance of the core holder 1 is enhanced, and the risk of unhooking between the core holder 1 and the bottom plate 11 is reduced. The threaded rod 2 and the inclinable structure can simply adjust the horizontal direction and the vertical direction of the clamp holder, so that the real formation environment can be conveniently simulated, and the accuracy of experimental data is further improved. The base can be lifted, so that the position of the rock core holder 1 can be conveniently adjusted in the actual experimental condition.
Although the present application has been described with reference to a few embodiments, it should be understood that various changes, substitutions and alterations can be made herein without departing from the spirit and scope of the application as defined by the appended claims.
Claims (9)
1. An adjustable core holding device is characterized by comprising a tiltable structure and a core holder arranged on the tiltable structure;
the tiltable structure includes a fixed body and a rotating body;
the rotating body is rotationally connected with the fixed body, and an included angle between the rotating body and the fixed body is adjustable;
the core holder is connected with the rotating body.
2. The adjustable core holding device as claimed in claim 1, wherein the fixing body comprises a fixing seat and two fixing blocks arranged on the fixing seat and oppositely arranged;
the rotating body is sleeved on the two fixed blocks and connected with the fixed blocks through bolts, and rotates by taking the bolts as rotating shafts, so that the included angle between the rotating body and the fixed blocks is adjustable;
and a rotating gap is formed between the edge of the rotating body close to the fixed seat and the fixed seat.
3. The adjustable core holding device as claimed in claim 2, further comprising a pointer and a scale plate;
the scale plate is arranged on the side wall of the rotating body and rotates along with the rotating body;
the pointer is fixed on the fixed block and points to the scales on the scale plate.
4. The adjustable core holding device as recited in claim 1, further comprising a threaded rod;
one end of the threaded rod is fixedly connected with the core holder, the other end of the threaded rod is in threaded connection with the rotating body, and the threaded rod is rotated to enable the core holder to rotate.
5. The adjustable core holding device as claimed in claim 2, further comprising a base and a support stud;
the base is arranged on one side, far away from the core holder, of the fixed body;
the two ends of the supporting stud are respectively in threaded connection with the base and the fixing seat, and the supporting stud is rotated to adjust the relative distance between the base and the fixing seat.
6. The adjustable core holding device as claimed in claim 5, wherein the fixing seat is annular, a joint between the fixing seat and the fixing blocks is stepped, and a distance between the two fixing blocks is greater than an inner diameter of the fixing seat;
the support stud is in threaded connection with the inner wall of the fixing seat.
7. The adjustable core holding apparatus as claimed in claim 6, wherein the fixing body further comprises a spacer;
the partition plate is arranged at the joint of the fixed seat and the fixed block and used for limiting the position of the support stud.
8. The adjustable core holding device as claimed in claim 6, wherein the base comprises a bottom plate and an adjusting seat;
the adjusting seat is arranged on the bottom plate;
the support stud is in threaded connection with the adjusting seat.
9. The adjustable core clamping device according to any one of claims 5 to 8, further comprising an adjusting hand wheel;
the adjusting hand wheel is connected with the supporting stud.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120654529.0U CN214560299U (en) | 2021-03-31 | 2021-03-31 | Adjustable rock core clamping device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120654529.0U CN214560299U (en) | 2021-03-31 | 2021-03-31 | Adjustable rock core clamping device |
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| Publication Number | Publication Date |
|---|---|
| CN214560299U true CN214560299U (en) | 2021-11-02 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120654529.0U Active CN214560299U (en) | 2021-03-31 | 2021-03-31 | Adjustable rock core clamping device |
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| CN (1) | CN214560299U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115556056A (en) * | 2022-08-25 | 2023-01-03 | 中国地质科学院水文地质环境地质研究所 | Bottom inclination angle simulation core sample holder |
-
2021
- 2021-03-31 CN CN202120654529.0U patent/CN214560299U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115556056A (en) * | 2022-08-25 | 2023-01-03 | 中国地质科学院水文地质环境地质研究所 | Bottom inclination angle simulation core sample holder |
| CN115556056B (en) * | 2022-08-25 | 2024-05-31 | 中国地质科学院水文地质环境地质研究所 | Bottom dip angle simulation core sample holder |
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