CN222439267U - Core holder - Google Patents
Core holder Download PDFInfo
- Publication number
- CN222439267U CN222439267U CN202420934112.3U CN202420934112U CN222439267U CN 222439267 U CN222439267 U CN 222439267U CN 202420934112 U CN202420934112 U CN 202420934112U CN 222439267 U CN222439267 U CN 222439267U
- Authority
- CN
- China
- Prior art keywords
- sleeve
- utility
- model
- clamping
- clamping sleeve
- 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.)
- Active
Links
- 239000011435 rock Substances 0.000 abstract description 8
- 238000000034 method Methods 0.000 abstract description 6
- 238000012360 testing method Methods 0.000 abstract description 6
- 238000004088 simulation Methods 0.000 abstract description 4
- 238000013461 design Methods 0.000 abstract description 2
- 230000000694 effects Effects 0.000 abstract description 2
- 239000007787 solid Substances 0.000 abstract 1
- 230000006835 compression Effects 0.000 description 5
- 238000007906 compression Methods 0.000 description 5
- 238000005086 pumping Methods 0.000 description 5
- 230000009471 action Effects 0.000 description 4
- 230000008569 process Effects 0.000 description 3
- 230000006399 behavior Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000011160 research Methods 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000007705 chemical test Methods 0.000 description 1
- 238000012669 compression test Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Landscapes
- Sampling And Sample Adjustment (AREA)
Abstract
The utility model discloses a rock core holder, including the base, the clamping sleeve has been installed on the base, clamping sleeve both sides are fixed respectively and are equipped with first uide bushing and second uide bushing, first uide bushing internal fixation is equipped with first axle sleeve, first axle sleeve internal fixation is equipped with the second axle sleeve, the second axle sleeve internal fixation is equipped with first end cap subassembly, the second end cap subassembly is equipped with to the internal fixation of second uide bushing, the second end cap subassembly is equipped with in the sliding of third axle sleeve, first structure body has been installed to first end cap subassembly with the second end cap subassembly outside, first structure body is fixed to be located in the clamping sleeve, first structure body with install first tight solid between the clamping sleeve, the utility model belongs to rock core test technical field, specifically refers to a rock core holder, the utility model discloses a through design inhomogeneous end cap surface, and then exert inhomogeneous load to rock core clamping simulation test in-process, simulation effect is more true.
Description
Technical Field
The utility model belongs to the technical field of core testing, and particularly relates to a core holder.
Background
By gripping the core sample, it can be subjected to various physical and chemical tests in the laboratory, including compression tests to simulate rock behavior under subsurface pressure conditions. The test results are vital to the work in the fields of petroleum exploration, geological research, rock engineering and the like, and can help people evaluate parameters such as mechanical properties, pore structures, permeability and the like of the rock, so that the characteristics and behaviors of the underground rock can be better understood. The design and use of core holders is also important to ensure the integrity and accuracy of core samples, as the data provided by these samples is of great importance for research and decision making in the fields of geology and engineering.
However, when the core holder is used, the core holder uses the plug to load pressure when simulating a sample, but the shape of the plug is usually a single cylinder, only uniform load can be applied, and uneven load cannot be applied.
Disclosure of utility model
Aiming at the situation, in order to overcome the defects in the prior art, the utility model provides the core holder, and the uneven load is further applied to the core holder in the simulation test process by designing the uneven plug surface, so that the simulation effect is more real.
The core holder comprises a base, a clamping sleeve is arranged on the base, a first guide sleeve and a second guide sleeve are respectively and fixedly arranged on two sides of the clamping sleeve,
The first guide sleeve is internally and fixedly provided with a first shaft sleeve, the first shaft sleeve is internally and fixedly provided with a second shaft sleeve, and the second shaft sleeve is internally and slidingly provided with a first plug assembly;
A third shaft sleeve is fixedly arranged in the second guide sleeve, and a second plug assembly is slidably arranged in the third shaft sleeve;
the outer sides of the first plug assembly and the second plug assembly are provided with a first structure body which is fixedly arranged in the clamping sleeve;
A first fastening body is arranged between the first structural body and the clamping sleeve and used for fastening the first structural body and the clamping sleeve.
Further, the clamping sleeve is in threaded fastening connection with the first guide sleeve, and the clamping sleeve is in threaded fastening connection with the second guide sleeve.
Further, the first plug assembly comprises a first plug arranged in the second sleeve, a first drawing rod is slidably arranged in the first plug, and a first pushing plate is arranged at one end of the first drawing rod.
Further, the second plug assembly comprises a second plug arranged in the third shaft sleeve, the first plug is provided with a second drawing rod in a pinching sliding manner, and one end of the second drawing rod is provided with a second pushing plate.
Further, a first pressing body is fixedly arranged on the first push plate, and a second pressing body is fixedly arranged on the second push plate.
Further, the cross section of the first pressing body is triangular, and the cross section of the second pressing body is triangular.
Further, the first shaft sleeve is in threaded fastening connection with the second shaft sleeve, and further the matching is firmer.
Further, the second guide sleeve and the third shaft sleeve are in interference fit.
Further, a first supporting plate is arranged between the clamping sleeve and the base and used for supporting the clamping sleeve to be fixed on the base.
The core holder has the beneficial effects that by designing the surface of the non-uniform plug, the non-uniform load can be applied to the core sample, and more real pressurization test can be simulated.
Drawings
FIG. 1 is a schematic view of a main body structure of a core holder according to the present utility model;
FIG. 2 is a schematic view of the internal structure of a core holder according to the present utility model;
FIG. 3 is a diagram of a first drawer main body structure provided by the utility model;
Fig. 4 is a main body structure diagram of a second pumping rod provided by the utility model.
Wherein, 1, a base, 2, a clamping sleeve, 3, a first guide sleeve, 301, a first shaft sleeve, 302, a second shaft sleeve, 303, a first plug assembly, 304, a first drawing rod, 305, a first push plate, 306 and a second drawing rod, 307, second push plate, 308, first compression body, 309, second compression body, 4, second guide sleeve, 401, third sleeve, 402, second plug assembly, 5, first structure, 6, first compression body, 7, first support plate.
The accompanying drawings are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate the utility model and together with the embodiments of the utility model, serve to explain the utility model.
Detailed Description
The technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present utility model, and it is apparent that the described embodiments are only some embodiments of the present utility model, but not all embodiments, and all other embodiments obtained by those skilled in the art without making any inventive effort based on the embodiments of the present utility model are within the scope of protection of the present utility model.
In the description of the present utility model, it should be understood that the terms "upper," "lower," "front," "rear," "left," "right," "top," "bottom," "inner," "outer," and the like indicate orientation or positional relationships based on those shown in the drawings, merely to facilitate description of the utility model and simplify the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the utility model.
Specific examples:
As shown in fig. 1 and 2, the core holder provided by the utility model comprises a base 1, wherein a clamping sleeve 2 is arranged on the base 1, a first guide sleeve 3 and a second guide sleeve 4 are respectively and fixedly arranged on two sides of the clamping sleeve 2,
A first shaft sleeve 301 is fixedly arranged in the first guide sleeve 3, a second shaft sleeve 302 is fixedly arranged in the first shaft sleeve 301, and a first plug assembly 303 is slidably arranged in the second shaft sleeve 302;
A third shaft sleeve 401 is fixedly arranged in the second guide sleeve 4, and a second plug assembly 402 is arranged in the third shaft sleeve 401 in a sliding manner;
A first structural body 5 is arranged outside the first plug assembly 303 and the second plug assembly 402, and the first structural body 5 is fixedly arranged in the clamping sleeve 2;
A first fastening body 6 is arranged between the first structural body 5 and the clamping sleeve 2 and is used for fastening the first structural body 5 and the clamping sleeve 2.
As shown in fig. 1, in the core holder provided by the utility model, the clamping sleeve 2 is in threaded fastening connection with the first guide sleeve 3, and the clamping sleeve 2 is in threaded fastening connection with the second guide sleeve 4.
As shown in fig. 2 and fig. 3, in the core holder according to the present utility model, the first plug assembly 303 includes a first plug installed in the second sleeve 302, a first rod 304 is slidably disposed in the first plug, and a first push plate 305 is installed at one end of the first rod 304.
As shown in fig. 2 and fig. 4, in the core holder provided by the present utility model, the second plug assembly 402 includes a second plug installed in the third shaft sleeve, the first plug is slidably provided with a second pumping rod 306, and one end of the second pumping rod 306 is provided with a second pushing plate 307.
As shown in fig. 3 and fig. 4, in the core holder provided by the present utility model, a first pressing body 308 is fixedly disposed on the first push plate 305, and a second pressing body 309 is fixedly disposed on the second push plate 307.
As shown in fig. 3 and fig. 4, in the core holder provided by the present utility model, the cross-sectional shape of the first pressing body 308 is triangular, and the cross-sectional shape of the second pressing body 309 is triangular.
As shown in fig. 2, in the core holder provided by the present utility model, the first shaft sleeve 301 is screwed and fastened with the second shaft sleeve 302.
As shown in fig. 2, in the core holder provided by the present utility model, the second guide sleeve 4 is in interference fit with the third shaft sleeve 401.
As shown in fig. 1, in the core holder provided by the utility model, a first supporting plate 7 is installed between the clamping sleeve 2 and the base 1, and is used for supporting the clamping sleeve 2 to be fixed on the base 1.
When the device is specifically used, the first plug assembly 303 and the second plug assembly 402 are pushed to slide in the first shaft sleeve 301 and the third shaft sleeve 401 respectively, so that the first push plate 305 and the second push plate 307 are firstly contacted with a core sample, and then an action load is applied to the core sample, meanwhile, a second-level load can be applied to one side of the core sample through the first pumping rod 304, the first compression bodies 308 at different positions on the first push plate 307 are arranged in a non-equidistant manner, and then the loads applied to the core sample are inconsistent, meanwhile, a second-level load can be applied to the other side of the core sample through the second pumping rod 306, the second compression bodies 3009 are at different positions on the second push plate 307, and then the loads applied to the core sample are inconsistent, and further the overall loads applied to the core sample are further inconsistent, so that more real load working conditions can be simulated.
It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
The utility model and its embodiments have been described above with no limitation, and the actual construction is not limited to the embodiments of the utility model as shown in the drawings. In summary, if one of ordinary skill in the art is informed by this disclosure, a structural manner and an embodiment similar to the technical solution should not be creatively devised without departing from the gist of the present utility model.
Claims (9)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202420934112.3U CN222439267U (en) | 2024-04-29 | 2024-04-29 | Core holder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202420934112.3U CN222439267U (en) | 2024-04-29 | 2024-04-29 | Core holder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN222439267U true CN222439267U (en) | 2025-02-07 |
Family
ID=94397936
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202420934112.3U Active CN222439267U (en) | 2024-04-29 | 2024-04-29 | Core holder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN222439267U (en) |
-
2024
- 2024-04-29 CN CN202420934112.3U patent/CN222439267U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN109632510B (en) | A method for predicting the strength of hydration-damaged shale | |
| CN204116137U (en) | A kind of electrochemical corrosion test fixture loading tension for petroleum pipeline | |
| CN105675468B (en) | A kind of evaluation method of mud shale organic matter porosity | |
| CN206399740U (en) | Rock sample long-term stress loading device | |
| CN103868799B (en) | Rock mechanical characteristic analyzer for non-conventional oil-gas reservoir stratum | |
| CN205228969U (en) | Pure shear strength testing arrangement of strip belt | |
| CN104237284A (en) | Nuclear magnetic resonance detection method for brittle and hard shale microcrack damage | |
| CN107132171B (en) | A method for determining the pore size distribution of tight reservoirs based on mercury intrusion-nitrogen adsorption combined measurement data | |
| CN105571758A (en) | Dilatometer for measuring expansive force by constant volume method | |
| CN203869959U (en) | Analysis meter for rock mechanics characteristics of unconventional oil and gas reservoir | |
| CN205209677U (en) | Dilatometer of bulging force is measured to permanent volumetric method | |
| CN106525681A (en) | Method for determining pore diameter of shale reservoir | |
| CN101285745A (en) | Earthwork triaxial apparatus pressure chamber | |
| CN222439267U (en) | Core holder | |
| CN208043560U (en) | A kind of device for plugging considering fracture width dynamic change | |
| CN201074319Y (en) | Static sounding two-bridge probe | |
| CN105004747A (en) | Method for nuclear magnetic resonance measurement of coal core average pore compression coefficient | |
| CN204514732U (en) | A kind of Characters of Weak Intercalation in Layered Rock Mass interlaminar shear strength tester | |
| CN206573598U (en) | A kind of quantitative injector for detecting oil product micro-moisture | |
| CN203069456U (en) | Multifunctional concrete sample splitting and pulling device | |
| CN206854398U (en) | A kind of stamping parts of automobile punching self-checking device | |
| CN107271343B (en) | A multi-scale rock fracture permeability size effect test method | |
| CN206002020U (en) | A kind of insulation material thickness gauge | |
| CN208013158U (en) | Chromatographic Analysis of Transformer oil sample introduction auxiliary device | |
| CN207623293U (en) | A kind of for transformer oil test quantitative sampling device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |