CN111636867A - Geological drilling sampler - Google Patents
Geological drilling sampler Download PDFInfo
- Publication number
- CN111636867A CN111636867A CN202010541082.6A CN202010541082A CN111636867A CN 111636867 A CN111636867 A CN 111636867A CN 202010541082 A CN202010541082 A CN 202010541082A CN 111636867 A CN111636867 A CN 111636867A
- Authority
- CN
- China
- Prior art keywords
- sampling
- sample
- inner cylinder
- cylinder
- geological drilling
- 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.)
- Granted
Links
- 238000005553 drilling Methods 0.000 title claims abstract description 24
- 238000005070 sampling Methods 0.000 claims abstract description 89
- 239000002689 soil Substances 0.000 claims abstract description 45
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims abstract description 5
- 239000000741 silica gel Substances 0.000 claims abstract description 5
- 229910002027 silica gel Inorganic materials 0.000 claims abstract description 5
- 238000007789 sealing Methods 0.000 claims description 7
- 230000000694 effects Effects 0.000 claims description 4
- 238000005086 pumping Methods 0.000 claims description 2
- 230000007423 decrease Effects 0.000 claims 1
- 238000000605 extraction Methods 0.000 claims 1
- 238000000926 separation method Methods 0.000 claims 1
- 238000001514 detection method Methods 0.000 abstract description 7
- 235000017166 Bambusa arundinacea Nutrition 0.000 description 5
- 235000017491 Bambusa tulda Nutrition 0.000 description 5
- 241001330002 Bambuseae Species 0.000 description 5
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 5
- 239000011425 bamboo Substances 0.000 description 5
- 238000000034 method Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 239000003245 coal Substances 0.000 description 2
- 238000011835 investigation Methods 0.000 description 2
- 238000005065 mining Methods 0.000 description 2
- 238000005527 soil sampling Methods 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 210000001503 joint Anatomy 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 125000003003 spiro group Chemical group 0.000 description 1
Images
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B49/00—Testing the nature of borehole walls; Formation testing; Methods or apparatus for obtaining samples of soil or well fluids, specially adapted to earth drilling or wells
- E21B49/02—Testing the nature of borehole walls; Formation testing; Methods or apparatus for obtaining samples of soil or well fluids, specially adapted to earth drilling or wells by mechanically taking samples of the soil
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B25/00—Apparatus for obtaining or removing undisturbed cores, e.g. core barrels or core extractors
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B25/00—Apparatus for obtaining or removing undisturbed cores, e.g. core barrels or core extractors
- E21B25/10—Formed core retaining or severing means
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Geology (AREA)
- Mining & Mineral Resources (AREA)
- Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Soil Sciences (AREA)
- Sampling And Sample Adjustment (AREA)
Abstract
The invention discloses a geological drilling sampler which can take out a soil sample by splitting a sampling inner cylinder, can keep the integrity of the soil sample, does not disturb the original structure of a soil layer, and can improve the subsequent detection precision, and is characterized in that a plurality of drill bits are annularly and equidistantly arranged at the bottom of the sampling outer cylinder, a through hole is arranged at the center of the top of the sampling outer cylinder, the sampling inner cylinder is arranged in the sampling outer cylinder, the sampling inner cylinder is formed by hinging two half cylinders, the edge of the bottom of the sampling inner cylinder protrudes outwards to form a limiting ring, the limiting ring is made of silica gel, the limiting ring is attached to the inner wall of the bottom of the sampling outer cylinder, a connecting hole corresponding to the through hole of the sampling outer cylinder is arranged at the top of the sampling inner cylinder, a connecting sleeve penetrates through the through hole and extends into the connecting hole, and the connecting sleeve is fixedly connected with the, and an air pressure cavity is arranged between the sampling outer cylinder and the sampling inner cylinder.
Description
Technical Field
The invention discloses a geological drilling sampler, relates to a sampler for geological drilling sampling, and belongs to the field of exploration equipment. In particular to a geological drilling sampler which takes out a soil sample by splitting the inner sampling cylinder, can keep the integrity of the soil sample, can not disturb the original structure of a soil layer and can improve the follow-up detection precision.
Background
Geological exploration investigation, the investigation in-process, need use the sampler to carry out the sample analysis to the soil layer in mining area, current sample mode is many to take a sample through the sampler barrel, conventional sample barrel only has exit of bottom, during the sample, the soil sample is extruded inside the sample barrel, partial soil sample adhesion is on the sample barrel inner wall, when needing analytical research, need use specific apparatus of taking out to take out, or need the manual work to strike the section of thick bamboo wall and take out, it is troublesome to take out the process, and the soil sample is in disorder easily, be unfavorable for the analysis to soil layer structure, therefore, need a can be convenient for completely take out the device of soil sample.
Notice No. CN210003230U discloses coal mine geology probing sampling device, including the portal frame, the top inner wall of portal frame has the solid fixed cylinder of vertical setting through the fix with screw, and the top inner wall of solid fixed cylinder has the pneumatic cylinder through the fix with screw, the one end of pneumatic cylinder piston rod has the slide through the fix with screw, and the bottom outer wall of slide has the installation piece through the fix with screw, and the device soil sample accumulation is in section of thick bamboo wall, and the section of thick bamboo wall only leaves an export and supplies to take out the soil sample, leads to the soil sample loose easily when taking out the soil sample, is unfavorable for the analysis to soil layer structure.
Notice No. CN210603976U discloses a quick soil sampling ware for coal mining environmental protection detects, especially relate to soil sampling technical field, both ends all vertically evenly open about the drilling rod have at least three recess, every recess is inside all from the front to back scarf joint and rotate and be connected with the pivot, every pivot outside all runs through and is fixed with the rotor plate, the device inner core section of thick bamboo only leaves an export, can only follow the export and take out the soil sample in the section of thick bamboo, it is very inconvenient, and the soil sample is in disorder easily, be unfavorable for the analysis to soil layer structure.
Disclosure of Invention
In order to improve the situation, the geological drilling sampler provided by the invention has the advantages that the soil sample is taken out by splitting the sampling inner cylinder, the integrity of the soil sample can be kept, the original structure of a soil layer cannot be disturbed, and the subsequent detection precision can be improved.
The geological drilling sampler of the invention is realized by the following steps: the geological drilling sampler comprises a connecting sleeve, an outer sampling cylinder, a hinged shaft, drill bits, an inner sampling cylinder, an air valve and a vent pipe, wherein a plurality of drill bits are annularly arranged at equal intervals at the bottom of the outer sampling cylinder, a through hole is formed in the center of the top of the outer sampling cylinder, the inner sampling cylinder is arranged in the outer sampling cylinder and is formed by hinging two half cylinders, the edge of the bottom of the inner sampling cylinder protrudes outwards to form a limiting ring which is made of silica gel, the limiting ring is attached to the inner wall of the bottom of the outer sampling cylinder, a connecting hole corresponding to the through hole of the outer sampling cylinder is formed in the top of the inner sampling cylinder, the connecting sleeve penetrates through the through hole and extends into the connecting hole, the connecting sleeve is fixedly connected with the outer sampling cylinder, a pneumatic cavity is formed between the outer sampling cylinder and the inner sampling cylinder, and the vent pipe penetrates, an air valve is arranged on the vent pipe, a knob is arranged at one end of the articulated shaft, the connecting sleeve is in threaded connection with the top of the sampling inner cylinder body, a sealing gasket is arranged between the connecting sleeve and the connecting hole, and the diameter of the sampling outer cylinder body is gradually decreased from the top to the bottom.
Has the beneficial effects.
The soil sample is taken out through the barrel in the split sampling, the original sequence of the soil layer can not be broken up, the integrity of the soil sample can be kept, and the follow-up detection accuracy can be improved.
And secondly, the sampling outer cylinder body and the sampling inner cylinder body are convenient to disassemble and close by utilizing air pressure fitting, and rock soil in the device is convenient to take out.
And thirdly, the device has simple structure and convenient operation, and is beneficial to improving the exploration efficiency.
Drawings
FIG. 1 is a side view schematic of the geological drilling sampler of the present invention.
Fig. 2 is a schematic top view of the geological drilling sampler of the present invention.
Fig. 3 is a three-dimensional structure diagram of the inner sleeve of the geological drilling sampler.
In the attached drawings
Wherein the method comprises the following steps: the device comprises a connecting sleeve (1), a sampling outer cylinder (2), a hinged shaft (3), a drill bit (4), a sampling inner cylinder (5), an air valve (6) and a vent pipe (7).
The specific implementation mode is as follows:
the geological drilling sampler of the invention is realized by the following steps: the geological drilling sampler comprises a connecting sleeve (1), an outer sampling cylinder (2), a hinged shaft (3), drill bits (4), an inner sampling cylinder (5), an air valve (6) and a vent pipe (7), wherein the bottom of the outer sampling cylinder (2) is annularly and equidistantly provided with the drill bits (4), the center of the top of the outer sampling cylinder (2) is provided with a through hole, the outer sampling cylinder (2) is internally provided with the inner sampling cylinder (5), the inner sampling cylinder (5) is formed by hinging two half cylinders, the edge of the bottom of the inner sampling cylinder (5) protrudes outwards to form a limiting ring, the limiting ring is made of silica gel and is attached to the inner wall of the bottom of the outer sampling cylinder (2), the top of the inner sampling cylinder (5) is provided with a connecting hole corresponding to the through hole of the outer sampling cylinder (2), and the connecting sleeve (1) extends into the connecting hole, the utility model discloses a sampling device, including adapter sleeve (1), outer barrel (2) fixed connection of sample, be the atmospheric pressure chamber between barrel (5) outside the sample between barrel (2) and the sample, breather pipe (7) pass the outer barrel of sample (2) top and atmospheric pressure chamber be linked together, breather pipe (7) are overhead has air valve (6), articulated shaft (3) one end has been put the knob, barrel (5) top looks spiro union in adapter sleeve (1) and the sample, it has sealed the pad to have been put between adapter sleeve (1) and the connecting hole, barrel (2) is degressive from top to bottom diameter gradually outside the sample.
When the electric drill is used, the connecting sleeve (1) is connected with an electric drill rod, the vent pipe (7) is communicated with an air inlet of the air pump, the air valve (6) is opened, then the air pump is started, the air pump can continuously pump air in the air pressure cavity through the vent pipe (7), so that the air pressure in the air pressure cavity is gradually reduced, the sampling inner cylinder body (5) can be ensured to be close to the sampling outer cylinder body (2), when the air pressure in the air pressure cavity is sufficiently small, the air pump is closed, and the air valve (6) is closed;
the drill bit (4) of the outer cylinder of the device faces the ground, the electric drill is started, the drill drives the connecting sleeve (1) to rotate, the connecting sleeve (1) drives the outer sampling cylinder (2) to rotate, the drill bit (4) at the bottom of the outer sampling cylinder (2) continuously moves towards the soil layer, at the moment, the soil sample gradually enters the inner sampling cylinder (5), the soil sample in the inner sampling cylinder (5) is compacted along with continuous propulsion, after sampling is completed, the electric drill is closed, the soil sample is gradually pulled out of the soil layer along with the device, the vent pipe (7) is communicated with the air outlet of the air pump, the vent valve is opened, the air pump is started, air is inflated into the air pressure cavity, along with the increase of the air pressure cavity, the air pressure pushes the inner sampling cylinder (5) to gradually separate from the outer sampling cylinder (2), after the inner sampling cylinder (5) is taken out, the articulated shaft (3) on the inner sampling cylinder (, the original sequence of the soil layers can not be broken up while the soil sample can be taken out quickly, the integrity of the soil sample can be kept, and the precision of subsequent detection is improved; the connecting sleeve (1) can be connected with an electric drill rod and also can be directly connected with a handle to push the handle to sample;
the limiting ring is designed to be made of silica gel, can be attached to the inner wall of the outer cylinder body, improves the sealing effect of the air pressure cavity, and is convenient for realizing the disassembly and assembly of the sampling inner cylinder body (5) and the sampling outer cylinder body (2) by utilizing the inflation and air exhaust of the air pump;
one end of the hinged shaft (3) is provided with a knob, so that the hinged shaft (3) can be taken out of the inner sampling cylinder body (5) conveniently;
the connecting sleeve (1) and the top of the sampling inner cylinder (5) are in threaded connection, so that the sampling inner cylinder (5) and the sampling outer cylinder (2) can be conveniently disassembled;
the design that a sealing gasket is arranged between the connecting sleeve (1) and the connecting hole can ensure the sealing effect of the air pressure cavity and ensure that the sampling outer cylinder body (2) and the sampling inner cylinder body (5) can be smoothly disassembled and assembled;
the diameter of the sampling outer cylinder body (2) is gradually reduced from the top to the bottom, so that the device can be conveniently inserted into a soil layer, and the sampling efficiency is improved;
the sampling outer cylinder body (2) and the sampling inner cylinder body (5) are matched with the design of the vent pipe (7), so that the sampling outer cylinder body (2) and the sampling inner cylinder body (5) can be disassembled and assembled by combining air pumping and air inflation of the air pump, the operation is simple, and the physical strength is saved;
the sampling inner cylinder body (5) is designed by hinging two half cylinder bodies, after sampling, the hinging shaft (3) is taken down, the sampling inner cylinder body (5) can be quickly divided into two parts, so that a soil sample can be completely taken out, the structure of an original soil layer can be kept as much as possible, and the subsequent detection work can be favorably developed;
the soil sample is taken out through the split sampling inner barrel body (5), the integrity of the soil sample can be kept, the original structure of the soil layer cannot be disturbed, and the purpose of subsequent detection precision can be improved.
The above embodiments are preferred embodiments of the present invention, and are not intended to limit the scope of the present invention. It will be appreciated by those skilled in the art that changes may be made without departing from the scope of the invention, and it is intended that all matter contained in the above description or shown in the accompanying drawings shall be interpreted as illustrative and not in a limiting sense.
Claims (9)
1. A geological drilling sampler, characterized by: the utility model discloses a pneumatic drill, including outer barrel of sample, barrel bottom, barrel top, limiting ring, breather pipe, air pump, air valve, the air pump passes through the breather pipe, can constantly extract the gas in the atmospheric pressure intracavity for atmospheric pressure in the atmospheric pressure intracavity reduces gradually, and then can guarantee in the sample that the barrel can be close to the outer barrel of sample.
2. The geological drilling sampler according to claim 1, characterized in that the sampling inner cylinder is formed by hinging two half cylinders, after sampling, the sampling inner cylinder can be quickly divided into two parts by removing the hinged shaft, so that the soil sample can be completely taken out and the original soil structure can be kept as much as possible; after the sample is accomplished, aerify the outer barrel separation of barrel and sample in making the sample through the air pump earlier, then through taking off the articulated shaft, the barrel split in will taking the sample, when can taking out the soil sample fast, keep complete soil sample order.
3. The geological drilling sampler according to claim 1, wherein the limiting ring is made of silica gel and can be attached to the inner wall of the outer cylinder to improve the sealing effect of the air pressure chamber, so that the inner cylinder and the outer cylinder can be conveniently disassembled and assembled by inflating and deflating with an air pump.
4. A sampler for geological drilling according to claim 1, characterized in that a knob is placed at one end of said articulated shaft to facilitate the extraction of the articulated shaft from the sampling inner cylinder.
5. A sampler for geological drilling according to claim 1, characterized in that said connection sleeve is screwed on the top of the sampling inner cylinder.
6. The geological drilling sampler as claimed in claim 5, wherein a sealing gasket is arranged between the connecting sleeve and the connecting hole, so as to ensure the sealing effect of the air pressure chamber and ensure that the sampling outer cylinder and the sampling inner cylinder can be smoothly disassembled and assembled.
7. A sampler for geological drilling according to claim 6, characterized in that said connection sleeve, in addition to being able to be connected to the drill rod of an electric drill, can also be connected directly to the handle.
8. The geological drilling sampler according to claim 1, wherein the sampling outer cylinder and the sampling inner cylinder are combined with the air pipe to realize the disassembly and assembly of the sampling outer cylinder and the sampling inner cylinder in combination with the air pumping and the air inflation of the air pump.
9. A geological drilling sampler according to claim 8, characterized in that said sampling outer cylinder has a diameter that decreases gradually from top to bottom.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010541082.6A CN111636867B (en) | 2020-06-15 | 2020-06-15 | Geological drilling sampler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010541082.6A CN111636867B (en) | 2020-06-15 | 2020-06-15 | Geological drilling sampler |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111636867A true CN111636867A (en) | 2020-09-08 |
| CN111636867B CN111636867B (en) | 2024-06-18 |
Family
ID=72330117
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010541082.6A Active CN111636867B (en) | 2020-06-15 | 2020-06-15 | Geological drilling sampler |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111636867B (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1139176A (en) * | 1994-07-21 | 1997-01-01 | 胜利石油管理局钻井工艺研究院 | Composite-material core barrel |
| US6158534A (en) * | 1996-01-15 | 2000-12-12 | Baroid Technology, Inc. | Core sampler |
| CN207583369U (en) * | 2017-11-23 | 2018-07-06 | 贵州大学 | A kind of soil sampler used for geological prospecting |
| CN207751708U (en) * | 2018-01-18 | 2018-08-21 | 中国石油大学(华东) | A kind of column shaped deposit sampler |
| CN109406204A (en) * | 2018-12-31 | 2019-03-01 | 胡楠 | Frangible formation sample acquires jackrod structure |
| CN210003230U (en) * | 2018-11-29 | 2020-01-31 | 牛上锋 | Coal mine geological drilling sampling device |
| CN110926855A (en) * | 2019-11-19 | 2020-03-27 | 南京森林警察学院 | Device for quickly taking undisturbed soil |
| CN210603976U (en) * | 2019-07-01 | 2020-05-22 | 山东科技大学 | A quick soil sampling ware for coal mining environmental protection detects |
-
2020
- 2020-06-15 CN CN202010541082.6A patent/CN111636867B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1139176A (en) * | 1994-07-21 | 1997-01-01 | 胜利石油管理局钻井工艺研究院 | Composite-material core barrel |
| US6158534A (en) * | 1996-01-15 | 2000-12-12 | Baroid Technology, Inc. | Core sampler |
| CN207583369U (en) * | 2017-11-23 | 2018-07-06 | 贵州大学 | A kind of soil sampler used for geological prospecting |
| CN207751708U (en) * | 2018-01-18 | 2018-08-21 | 中国石油大学(华东) | A kind of column shaped deposit sampler |
| CN210003230U (en) * | 2018-11-29 | 2020-01-31 | 牛上锋 | Coal mine geological drilling sampling device |
| CN109406204A (en) * | 2018-12-31 | 2019-03-01 | 胡楠 | Frangible formation sample acquires jackrod structure |
| CN210603976U (en) * | 2019-07-01 | 2020-05-22 | 山东科技大学 | A quick soil sampling ware for coal mining environmental protection detects |
| CN110926855A (en) * | 2019-11-19 | 2020-03-27 | 南京森林警察学院 | Device for quickly taking undisturbed soil |
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| Publication number | Publication date |
|---|---|
| CN111636867B (en) | 2024-06-18 |
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