CN104502167B - A kind of mould and method for preparing the artificial core with non-penetrating hole - Google Patents
A kind of mould and method for preparing the artificial core with non-penetrating hole Download PDFInfo
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- CN104502167B CN104502167B CN201410784940.4A CN201410784940A CN104502167B CN 104502167 B CN104502167 B CN 104502167B CN 201410784940 A CN201410784940 A CN 201410784940A CN 104502167 B CN104502167 B CN 104502167B
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- rock core
- core valve
- base
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- 238000000034 method Methods 0.000 title claims abstract description 8
- 230000000149 penetrating effect Effects 0.000 title claims abstract description 7
- 238000012360 testing method Methods 0.000 claims abstract description 78
- 239000011435 rock Substances 0.000 claims abstract description 40
- 239000000463 material Substances 0.000 claims abstract description 37
- 238000002360 preparation method Methods 0.000 claims abstract description 3
- 239000000203 mixture Substances 0.000 claims description 5
- 238000005303 weighing Methods 0.000 claims description 5
- 238000007596 consolidation process Methods 0.000 claims description 3
- 238000013461 design Methods 0.000 claims description 3
- 238000003756 stirring Methods 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 230000007812 deficiency Effects 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000002474 experimental method Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000000227 grinding Methods 0.000 description 1
- 238000010008 shearing Methods 0.000 description 1
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- Sampling And Sample Adjustment (AREA)
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The invention discloses a kind of mould and method for preparing the artificial core with non-penetrating hole, which includes test specimen pressure head, rock core valve, base and clip；Hollow cylindrical cavity is formed after the rock core valve alignment；The clip and rock core valve external adapter；Base holes, the base holes and rock core valve external adapter are provided with the base；The test specimen pressure head is adapted to cylindrical cavity, scale is provided with the test specimen pressure head, test specimen presses the center of first end face to be provided with threaded hole, and the threaded hole is supporting is provided with flat nut and hole post, and one end of the flat nut and hole post is both provided with and the matched screw thread of threaded hole.Material is weighed during preparation twice so that it is determined that single test specimen material requested weight and being pressed into accurate size using the scale on test specimen pressure head so that the density and size for the test specimen prepared are more unified.
Description
Technical field
The present invention relates to the making mould and production method of mould, particularly a kind of cylindrical standard test specimen.
Background technology
The mechanical property parameters of material are that the basic data that must be provided is carried out in PHYSICAL MODELING OF IN work；In addition,
It is also required to carry out material properties of rock parameter testing in material development development process.Therefore, standard specimen is quickly and easily made
It is particularly important that with test material mechanical property parameters or studying the fracture seepage feature of test specimen.
In terms of manual manufacture standard specimen, there are the deficiency of following three aspects：First, test specimen is compacted using pressue device
When, often terminated for a period of time for compacting in a certain numerical value so that pressure is constant, can not ensure that sample dimensions are sought unity of standard；Second：
The material of configuration is poured into before grinding tool without secondary weighing is carried out, and can not ensure that the Sample density of making is identical；3rd, it is common artificial
It is single that rock core test piece makes functional die, it is impossible to makes (non-penetrating) rock core test piece with holes.
The content of the invention
In view of the deficiencies of the prior art, the present invention proposes a kind of technical solution for the multifunctional mold for preparing artificial core.
A kind of multifunctional mold for preparing artificial core, including test specimen pressure head, rock core valve, base and clip；The rock core
Hollow cylindrical cavity is formed after valve alignment；The clip and rock core valve external adapter；Base holes, institute are provided with the base
State base holes and rock core valve external adapter；The test specimen pressure head is adapted to cylindrical cavity, and scale is provided with the test specimen pressure head,
Test specimen presses the center of first end face to be provided with threaded hole, and the threaded hole is supporting is provided with flat nut and hole post, institute
The one end for stating flat nut and hole post is both provided with and the matched screw thread of threaded hole.
A kind of method for preparing artificial core, including the following steps that order performs：
If the first step, prepare artificial core standard specimen, flat nut is installed in the threaded hole of test specimen pressure head bottom,
And ensure that test specimen pressure head bottom surface is smooth；If preparing artificial core standard specimen with holes, hole post is installed on test specimen pressure head bottom
Threaded hole in；
Second step, align rock core valve, fastens rock core valve with clip, then rock core valve is put into the base holes of base
In；
The material mixture ratio that 3rd step, basis are set carries out material weighing, and stirs evenly；
The material of single test specimen weight is weighed in 4th step, the material obtained from step 3, by single test specimen weight
Material is inserted in hollow cylindrical cavity, and is constantly compacted during inserting with compacting instrument；
5th step, after the material of single test specimen weight is put into hollow cylindrical cavity completely and is compacted,
Rock core valve equipped with material is taken out from base and is placed on the platen of pressurization platform, pressue device is provided with above platen,
Test specimen pressure head is put into the rock core valve equipped with material so that test specimen pressure head is pressed on the material in cylindrical cavity；
6th step, the pressue device opened on pressurization platform are acted on test specimen pressure head, and the material in rock core valve is filled
Partial pressure is real, and observes the scale on test specimen pressure head surface；
7th step, when the graduation mark on test specimen pressure head surface reaches design load, stop pressurization, material is pressed into test specimen；
8th step, remove test specimen pressure head, treats that test specimen consolidation carries out the test specimen demoulding after a certain period of time；
After 9th step, the demoulding, test specimen is placed on shady place and is dried in the shade naturally.
Beneficial effect：
The artificial core standard specimen of the present invention, which makes mould, multiple functions, can making artificial rock core cylindrical standard
Test specimen, to carry out uniaxial compressive, uniaxial tension and single shaft shearing resistance experiment, and can be used for the artificial core for making (not penetrating) with holes
Cylindrical standard test specimen, to carry out the experiment of the uniaxial compressive of fracture seepage；
The test specimen prepared according to the method for the present invention, due to having carried out second weighing and having been prepared in strict accordance with scale, energy
Enough overcome the shortcomings of to make mould and method in the past, ensure that the Sample density of making is identical with size, the production method is easy, easy
In operation, there is wide applicability and generalization.
Brief description of the drawings
Fig. 1 is the structure diagram of the artificial core hole cylinder shape standard test specimen mold of the present invention；
Fig. 2 is the structure diagram of the artificial core cylindrical standard test piece mould of the present invention.
Embodiment
The present invention is further described below in conjunction with the accompanying drawings.
As depicted in figs. 1 and 2, a kind of multifunctional mold of artificial core cylindrical standard test specimen, including test specimen pressure head 1,
Rock core valve 2, base 3 and clip 4；
The rock core valve 2 has 2, and 2 height of rock core valve is 200mm, and the alignment splicing composition cylindrical outer diameter of rock core valve 2 is
60mm, forms a diameter of 50mm of hollow cylindrical cavity；
The clip 4 is made of two semicircular rings, and 4 internal diameter of clip of two semicircular rings composition is 60mm, just and rock core
2 external adapter of valve；There is threaded hole on clip 4, fasten clip with bolt and nut；
3 height of base is 50mm, and the middle part of base 3 is provided with internal diameter as 60mm, the base holes of height 30mm, described
Base holes coordinate with 2 outer gap of rock core valve；
A diameter of 50mm, the height 200mm of the test specimen pressure head 1, test specimen pressure head 1 are adapted to cylindrical cavity, belong to gap
Coordinate, be provided with scale on test specimen pressure head 1, the center of 1 one end faces of test specimen pressure head is provided with threaded hole 6；
With the threaded hole 6 is supporting is provided with yi word pattern flat nut and hole post 5, the yi word pattern flat nut and hole post 5
One end be both provided with 6 matched screw thread of threaded hole, wherein, 5 diameter of hole post and height can be decided according to the actual requirements, generally
It is cylindrical for round platform, and the diameter of 5 threaded end of hole post is less than the diameter at non-threaded end, and hole post 5 is highly generally less than 70mm.
The preparation that artificial core is carried out using apparatus of the present invention is included the following steps：
If the first step, prepare artificial core standard specimen, flat nut is installed on to the threaded hole 6 of 1 bottom of test specimen pressure head
It is interior, and ensure that 1 bottom surface of test specimen pressure head is smooth；If preparing artificial core standard specimen with holes, hole post 5 is installed on test specimen pressure head
In the threaded hole 6 of 1 bottom；
Second step, align rock core valve 2, fastens rock core valve 2 with clip 4, then rock core valve 2 is put into the bottom of base 3
In bore；
The material mixture ratio that 3rd step, basis are set carries out material weighing, and stirs evenly；
The material of single test specimen weight is weighed in 4th step, the material obtained from step 3, by single test specimen weight
Material is inserted in hollow cylindrical cavity, and is constantly compacted during inserting with compacting instrument；
5th step, after the material of single test specimen weight is put into hollow cylindrical cavity completely and is compacted,
Rock core valve 2 equipped with material is taken out from base 3 and is placed on the platen of pressurization platform, pressurization dress is provided with above platen
Put, test specimen pressure head 1 is put into the rock core valve 2 equipped with material so that test specimen pressure head 1 is pressed on the material in cylindrical cavity；
6th step, the pressue device opened on pressurization platform are acted on test specimen pressure head 1, and the material in rock core valve 2 is carried out
Fully compacting, and observe the scale on 1 surface of test specimen pressure head；
7th step, when the graduation mark on 1 surface of test specimen pressure head reaches design load, stop pressurization, material is pressed into test specimen；
8th step, remove test specimen pressure head 1, treats that test specimen consolidation carries out the test specimen demoulding after a certain period of time；
After 9th step, the demoulding, test specimen is placed on shady place and is dried in the shade naturally.
The above is only the preferred embodiment of the present invention, it should be pointed out that：For the ordinary skill people of the art
For member, various improvements and modifications may be made without departing from the principle of the present invention, these improvements and modifications also should
It is considered as protection scope of the present invention.
Claims (2)
- A kind of 1. mould for preparing the artificial core with non-penetrating hole, it is characterised in that：Including test specimen pressure head (1), rock core valve (2), base (3) and clip (4)；Hollow cylindrical cavity is formed after rock core valve (2) alignment；The clip (4) and rock core Valve (2) external adapter；Base holes, the base holes and rock core valve (2) external adapter are provided with the base (3)；The examination Part pressure head (1) is adapted to cylindrical cavity, and scale, the center of (1) end face of test specimen pressure head are provided with the test specimen pressure head (1) Position is provided with threaded hole (6), and the threaded hole (6) is supporting is provided with or hole post (5), one end of the hole post (5) are provided with With threaded hole (6) matched screw thread；Keep at a distance upper surface of the bottom surface of the hole post (5) all the time with base (3).
- 2. a kind of mould of artificial core of preparation using described in claim 1 with non-penetrating hole prepares the side of artificial core Method, it is characterised in that：The following steps performed including order：The first step, by hole post (5) be installed on test specimen pressure head (1) bottom threaded hole (6) in；Second step, by rock core valve (2) align, with clip (4) make rock core valve (2) fasten, rock core valve (2) is then put into base (3) in base holes；The material mixture ratio that 3rd step, basis are set carries out material weighing, and stirs evenly；The material of single test specimen weight is weighed in 4th step, the material obtained from step 3, by the material of single test specimen weight Insert in hollow cylindrical cavity, and be constantly compacted during inserting with compacting instrument；5th step, after the material of single test specimen weight is put into hollow cylindrical cavity completely and is compacted, will fill The rock core valve (2) for having material takes out from base (3) and is placed on the platen of pressurization platform, and pressurization dress is provided with above platen Put, test specimen pressure head (1) is put into the rock core valve (2) equipped with material Nei so that test specimen pressure head (1) is pressed in the material in cylindrical cavity On；6th step, the pressue device opened on pressurization platform are acted on test specimen pressure head (1), and the material in rock core valve (2) is carried out Fully compacting, and observe the scale on test specimen pressure head (1) surface；7th step, when the graduation mark on test specimen pressure head (1) surface reaches design load, stop pressurization, material is pressed into test specimen；8th step, remove test specimen pressure head (1), treats that test specimen consolidation carries out the test specimen demoulding after a certain period of time；After 9th step, the demoulding, test specimen is placed on shady place and is dried in the shade naturally.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410784940.4A CN104502167B (en) | 2014-12-17 | 2014-12-17 | A kind of mould and method for preparing the artificial core with non-penetrating hole |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410784940.4A CN104502167B (en) | 2014-12-17 | 2014-12-17 | A kind of mould and method for preparing the artificial core with non-penetrating hole |
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| Publication Number | Publication Date |
|---|---|
| CN104502167A CN104502167A (en) | 2015-04-08 |
| CN104502167B true CN104502167B (en) | 2018-04-27 |
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| CN201410784940.4A Active CN104502167B (en) | 2014-12-17 | 2014-12-17 | A kind of mould and method for preparing the artificial core with non-penetrating hole |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109374387A (en) * | 2018-09-18 | 2019-02-22 | 中国石油大学(华东) | Combined central axis, rock core mold and core preparing device and method including it |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105300771A (en) * | 2015-11-27 | 2016-02-03 | 中国科学院武汉岩土力学研究所 | Manufacturing die of low-intensity similar-material standard test pieces |
| CN108709783A (en) * | 2018-05-17 | 2018-10-26 | 长江大学 | Artificial cores preparation facilities and preparation method thereof |
| CN109459290B (en) * | 2018-12-25 | 2021-01-26 | 重庆交通大学 | NSCB sample preparation device for testing I-type fracture toughness of compacted clay and using method thereof |
| CN109443908B (en) * | 2018-12-28 | 2020-12-11 | 机械工业勘察设计研究院有限公司 | Indoor model test device and method for drilling shear test |
| CN109556936A (en) * | 2018-12-29 | 2019-04-02 | 贵州省地质矿产勘查开发局五地质大队 | Artificial rock core small-batch manufacturing device |
| CN114428006B (en) * | 2021-12-31 | 2024-01-30 | 中国矿业大学 | Weak cemented rock sample preparation device and preparation method |
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| GB2184835A (en) * | 1985-12-19 | 1987-07-01 | Redwood Corex | Core container |
| FR2953593A1 (en) * | 2009-12-08 | 2011-06-10 | Brgm | PROCESS FOR PREPARING A CARROT OF CHARCOAL |
| CN202599725U (en) * | 2012-04-25 | 2012-12-12 | 广西大学 | Disturbed soil cutting ring sample-pressing device |
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| CN203705235U (en) * | 2014-01-01 | 2014-07-09 | 浙江省建设工程质量检验站有限公司 | Static shear sample part instrument |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB8603157D0 (en) * | 1986-02-08 | 1986-03-12 | Edinburgh Petroleum Dev Servic | Preparation of rock core samples |
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2014
- 2014-12-17 CN CN201410784940.4A patent/CN104502167B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU1281971A1 (en) * | 1985-01-07 | 1987-01-07 | Всесоюзный научно-исследовательский и проектно-конструкторский институт геофизических исследований геологоразведочных скважин | Device for preparing block-shaped specimens from core |
| GB2184835A (en) * | 1985-12-19 | 1987-07-01 | Redwood Corex | Core container |
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| CN202599725U (en) * | 2012-04-25 | 2012-12-12 | 广西大学 | Disturbed soil cutting ring sample-pressing device |
| CN102914458A (en) * | 2012-10-16 | 2013-02-06 | 绍兴文理学院 | Sample preparing device for remolded soil direct shear test sample and sample preparing method thereof |
| CN103543050A (en) * | 2013-09-06 | 2014-01-29 | 中国石油大学(北京) | Preparation mould for manual simulated rock core test piece with central hole |
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| CN109374387A (en) * | 2018-09-18 | 2019-02-22 | 中国石油大学(华东) | Combined central axis, rock core mold and core preparing device and method including it |
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| CN104502167A (en) | 2015-04-08 |
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Address after: 221116 Jiangsu province Xuzhou City University Road Copper Mountain China University of Mining and Technology Research Institute Applicant after: China University of Mining & Technology Address before: 221116 Research Institute, China University of Mining and Technology, Xuzhou University, Jiangsu, China, Applicant before: China University of Mining & Technology |
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Inventor after: Ji Ming Inventor after: Zhang Yidong Inventor after: Jin Zhiyuan Inventor after: Guo Hongjun Inventor after: Cheng Liang Inventor after: Li Zhong Inventor after: Zhang Meng Inventor after: Zhang Minglei Inventor after: Cui Mantang Inventor before: Jin Zhiyuan Inventor before: Zhang Yidong Inventor before: Ji Ming Inventor before: Cheng Liang Inventor before: Li Zhong Inventor before: Zhang Meng Inventor before: Zhang Minglei Inventor before: Cui Mantang |
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