CN116698474A - High-fidelity sampling device for soil in industrial contaminated site - Google Patents
High-fidelity sampling device for soil in industrial contaminated site Download PDFInfo
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- CN116698474A CN116698474A CN202310966921.2A CN202310966921A CN116698474A CN 116698474 A CN116698474 A CN 116698474A CN 202310966921 A CN202310966921 A CN 202310966921A CN 116698474 A CN116698474 A CN 116698474A
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- soil
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- 239000002689 soil Substances 0.000 title claims abstract description 64
- 238000005070 sampling Methods 0.000 title claims abstract description 61
- 238000007789 sealing Methods 0.000 claims abstract description 46
- 230000007246 mechanism Effects 0.000 claims description 22
- 238000005553 drilling Methods 0.000 claims description 14
- 238000005527 soil sampling Methods 0.000 abstract description 5
- 238000000034 method Methods 0.000 description 5
- 230000008569 process Effects 0.000 description 5
- 230000009471 action Effects 0.000 description 2
- 238000004891 communication Methods 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000004458 analytical method Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000003651 drinking water Substances 0.000 description 1
- 235000020188 drinking water Nutrition 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 238000005067 remediation Methods 0.000 description 1
- 238000007790 scraping Methods 0.000 description 1
- 238000004856 soil analysis Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/02—Devices for withdrawing samples
- G01N1/04—Devices for withdrawing samples in the solid state, e.g. by cutting
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- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
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- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Sampling And Sample Adjustment (AREA)
Abstract
The invention belongs to the technical field of soil sampling, and relates to a high-fidelity soil sampling device for an industrial polluted site. The invention comprises a box body, wherein a collecting cavity is arranged at the upper part of a drill bit; the sampling port is arranged on the rotating surface of the hollow drill rod, the sliding cavity is arranged on the vertical inner wall of the sampling port, the sliding strip is connected in the sliding cavity in a vertical sliding manner, the sliding strip is connected with the sealing piece in a rotating manner through the rotating shaft, and the axis of the rotating shaft is perpendicular to the vertical inner wall of the sampling port. When the sealing sheet plugs the sampling port, the outer wall of the hollow drill rod is in a smooth and flat state, so that the soil is further prevented from accidentally entering the hollow drill rod, the sample is further prevented from being polluted, the quality of the sample is effectively ensured, and the sample is high-fidelity. When sampling, make the closure piece down move and make the closure piece rotate round the pivot simultaneously, and then open the sample connection, the upper end of closure piece stretches into the soil layer that awaits measuring simultaneously, scrapes the soil in the soil layer that awaits measuring and gets the sample to make the sample enter into the collection intracavity through the sample connection, and then accomplish the sample.
Description
Technical Field
The invention belongs to the technical field of soil sampling, and relates to a high-fidelity soil sampling device for an industrial polluted site.
Background
Urban industrial pollution sites are new environmental problems faced in the urban process of China, and restrict the safe reuse of urban land resources. Urban industrial pollution sites form serious threats and challenges for food safety, drinking water safety, regional ecological environment, living environment health, economic and social sustainable development and even social stability, and great attention and importance are paid to the urgent need. For sustainable development of the environment, the soil remediation of industrial contaminated sites is increasingly gaining importance. Because of different pollution sources and pollutants, sampling analysis of polluted soil is the basis for taking effective recovery measures.
When the soil of the industrial polluted site is sampled, the soil in soil layers with different depths is required to be respectively sampled. When the deep soil is collected, the soil above the soil layer is easy to mix, so that the quality of a sample is influenced, the sample is not accurate enough, and the soil analysis result is further influenced.
In order to solve the problems, the invention provides a high-fidelity sampling device for the soil in an industrial polluted site.
Disclosure of Invention
In order to solve the problems in the background technology, the invention provides a high-fidelity sampling device for the soil in an industrial polluted site.
In order to achieve the above purpose, the technical scheme adopted by the invention is as follows:
the high-fidelity sampling device for the soil of the industrial polluted site comprises a box body, wherein a hollow drill rod is arranged at the lower end of the box body, a drill bit is detachably and fixedly arranged at the lower end of the hollow drill rod, and a collecting cavity communicated with the hollow drill rod is formed in the upper part of the drill bit; the rotary surface of the hollow drill rod is provided with a sampling port, the vertical inner wall of the sampling port is provided with a sliding cavity, a sliding strip is connected in the sliding cavity in a vertical sliding manner, the sliding strip is rotationally connected with a sealing piece through a rotating shaft, and the axis of the rotating shaft is perpendicular to the vertical inner wall of the sampling port; the sealing piece is matched with the sampling port, and when the sealing piece plugs the sampling port, the outer wall of the hollow drill rod is smooth and flat;
the driving mechanism for driving the sealing piece to move is arranged in the hollow drill rod, the driving mechanism drives the sealing piece to move downwards and simultaneously enables the sealing piece to rotate around the rotating shaft, the upper end of the sealing piece stretches into soil outside the hollow drill rod, the sampling port is opened, the soil layer to be tested is scraped and sampled when the sealing piece moves downwards, and the sample enters the collecting cavity through the sampling port.
Further, the drive mechanism includes a guide and a drive assembly;
the guide piece comprises a fixing plate which is vertically arranged and is fixed in the hollow drill rod;
the fixed plate is provided with a guide slideway, and the guide slideway comprises an inclined guide groove and a vertical guide groove; the lower end of the inclined guide groove is close to the hollow drill rod, and the lower end of the inclined guide groove is communicated with the upper end of the vertical guide groove;
the sealing piece is fixedly provided with a connecting piece which is positioned below the rotating shaft; the connecting piece is fixedly connected with a sliding rod, and the sliding rod is arranged in the guide slideway;
the driving component is arranged in the hollow drill rod and drives the slide rod to enable the slide rod to slide along the guide slide way.
Further, the driving assembly comprises a connecting plate, the connecting plate is arranged in the hollow drill rod in a vertical moving mode, a horizontal guide groove is formed in the connecting plate, and the sliding rod is in sliding connection with the horizontal guide groove.
Further, the driving assembly further comprises an electric push rod; the hollow drill rod is internally fixedly provided with a fixed seat, the electric push rod is fixedly arranged on the fixed seat, the output end of the electric push rod is vertically downward, the output end of the electric push rod is fixedly connected with a mounting plate, the lower end of the mounting plate is fixedly connected with a connecting rod, and the lower end of the connecting rod is fixedly connected with a connecting plate.
Further, the end faces of the upper end and the lower end of the sampling port are inclined planes, and the inner part of the hollow drill rod at the lower end of the inclined planes is inclined.
Further, a drilling mechanism is arranged in the box body and is in driving connection with the hollow drill rod, and the drilling mechanism drives the hollow drill rod to rotate and simultaneously enables the hollow drill rod to move up and down.
Further, a plurality of supporting legs are installed at the lower end of the box body.
Compared with the prior art, the invention has the following beneficial effects: when the sealing sheet plugs the sampling port, the outer wall of the hollow drill rod is in a smooth and flat state, so that the soil is further prevented from accidentally entering the hollow drill rod, the sample is further prevented from being polluted, the quality of the sample is effectively ensured, and the sample is high-fidelity.
When sampling, make the closure piece down move and make the closure piece rotate round the pivot simultaneously, and then open the sample connection, the upper end of closure piece stretches into the soil layer that awaits measuring simultaneously, scrapes the soil in the soil layer that awaits measuring and gets the sample to make the sample enter into the collection intracavity through the sample connection, and then accomplish the sample.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a cross-sectional view of a hollow drill rod of the present invention;
FIG. 3 is a schematic view of the positions of the inclined guide slots and the vertical guide slots in the present invention;
FIG. 4 is a schematic view of the internal part of the hollow drill rod of the present invention;
FIG. 5 is a schematic view of the structure of the closure tab of the present invention;
FIG. 6 is a schematic diagram of a sampling port according to the present invention;
FIG. 7 is a schematic view of the cooperation of the sliding bar and the sliding cavity in the present invention;
FIG. 8 is a schematic view of a first state of the closure tab of the present invention;
FIG. 9 is a schematic view of a second state of the closure tab of the present invention;
fig. 10 is a schematic view of a third state of the closure tab of the present invention.
In the figure: 1. a case; 2. support legs; 3. a hollow drill rod; 4. a drill bit; 5. a collection chamber; 6. a sampling port; 7. a closure tab; 8. a connecting piece; 9. a slide bar; 10. a rotating shaft; 11. a sliding chamber; 12. a sliding bar; 13. a fixing plate; 14. an inclined guide groove; 15. a vertical guide groove; 16. a connecting plate; 17. a horizontal guide groove; 18. a connecting rod; 19. a mounting plate; 20. an electric push rod; 21. a fixing seat; 22. soil layer to be measured.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
As shown in fig. 1 to 10, the technical scheme adopted by the invention is as follows: a high-fidelity sampling device for soil in an industrial polluted site comprises a box body 1, a hollow drill rod 3 and a sealing piece 7.
A plurality of support legs 2 are installed at the lower part of the case 1. The supporting legs 2 enable the box body 1 to be at a certain height, and a certain height space is provided for the hollow drill rod 3. The hollow drill rod 3 is arranged at the lower end of the box body 1. The lower end of the hollow drill rod 3 is coaxially and detachably fixedly provided with a drill bit 4. A drilling mechanism in driving connection with the hollow drill rod 3 is arranged in the box body 1. The drilling mechanism drives the hollow drill rod 3 to rotate and simultaneously enables the hollow drill rod 3 to move up and down. When the drilling mechanism drives the hollow drill rod 3 to rotate and simultaneously move downwards, the hollow drill rod 3 is made to drill into a soil layer. When the drilling mechanism drives the hollow drill rod 3 to rotate and simultaneously move upwards, the hollow drill rod 3 is separated from the soil layer. The drilling mechanism is a conventional technical means and is not described in detail herein.
The upper part of the drill bit 4 is provided with a collecting cavity 5 communicated with the interior of the hollow drill rod 3.
The rotary surface of the lower part of the hollow drill rod 3 is provided with a sampling port 6, and the sampling port 6 is communicated with the inside of the hollow drill rod 3. The sampling ports 6 have two, and the two sampling ports 6 are symmetrically disposed about the axis of the hollow drill rod 3. A sealing piece 7 is arranged in each sampling port 6.
A sliding cavity 11 is formed in the vertical inner wall of the sampling port 6. A slide bar 12 is provided in the slide chamber 11 to slide up and down. Preferably, the vertical inner walls on both sides of the sampling port 6 are provided with sliding cavities 11, and the sliding strips 12 are arranged between the two sliding cavities 11. The closing piece 7 is rotatably connected with the sliding bar 12 through the rotating shaft 10. The axis of the rotary shaft 10 is perpendicular to the vertical inner wall of the sampling port 6.
The end faces of the upper end and the lower end of the sampling port 6 are inclined planes, and the lower ends of the inclined planes incline towards the inside of the hollow drill rod 3.
The sealing piece 7 is matched with the sampling port 6. When the sealing piece 7 is in a vertical state, the sealing piece 7 covers the sampling port 6, and the outer wall of the hollow drill rod 3 is kept smooth and flat, and the outer wall of the hollow drill rod 3 is not provided with a concave position or a convex position. Thus, when the hollow drill rod 3 drills or drills out, the soil in other soil layers is prevented from entering the concave part or falling on the convex part, and then the soil in other soil layers is prevented from accidentally entering the hollow drill rod 3 when the sealing sheet 7 is opened and closed, so that the sample is further prevented from being polluted, the quality of the sample is effectively ensured, and the sample is high-fidelity.
A driving mechanism for driving the sealing piece 7 to move is arranged in the hollow drill rod 3. The driving mechanism drives the sealing piece 7 to move downwards and simultaneously enables the sealing piece 7 to rotate around the rotating shaft 10, the upper end of the sealing piece 7 stretches into soil outside the hollow drill rod 3, the sampling port 6 is opened, meanwhile, the sealing piece 7 scrapes and samples soil layers, and collected soil enters the collecting cavity 5 through the sampling port 6.
The driving mechanism comprises a guide piece and a driving assembly.
The guide comprises a fixed plate 13. The fixed plate 13 is fixedly connected with the hollow drill rod 3, and the fixed plate 13 is vertically arranged. The two fixing plates 13 are symmetrically arranged, and the two fixing plates 13 are respectively arranged at two sides of the sealing piece 7. The two ends of the fixing plate 13 are in one-to-one correspondence with the two closing sheets 7. The two ends of each fixed plate 13 are provided with guide slide ways which comprise inclined guide grooves 14 and vertical guide grooves 15. The lower end of the inclined guide groove 14 is close to the interior of the hollow drill rod 3, and the upper end of the vertical guide groove 15 communicates with the lower end of the inclined guide groove 14.
Two connecting pieces 8 are fixedly arranged on one side of the sealing piece 7 facing the inside of the hollow drill rod 3, and the two connecting pieces 8 correspond to the two fixing plates 13 one by one. The connecting piece 8 is positioned below the rotating shaft 10. A slide bar 9 is fixedly arranged on each connecting piece 8, and the slide bar 9 is arranged in the guide slide way in a sliding way.
The drive assembly is arranged in the hollow drill rod 3. The driving component drives the sliding rod 9 to enable the sliding rod 9 to move along the guiding slideway. When the slide bar 9 slides along the inclined guide groove 14 toward the lower end of the inclined guide groove 14, the slide bar 9 moves downward while moving in a direction approaching the inside of the hollow drill rod 3. The slide bar 9 drives the closing piece 7 to move downwards through the connecting piece 8, so that the slide bar 12 moves downwards along the slide cavity 11. Simultaneously, the sliding rod 9 pulls the lower end of the sealing piece 7 to move towards the direction of the hollow drill rod 3 through the connecting piece 8, so that the sealing piece 7 rotates around the rotating shaft 10. The upper end of the closing tab 7 extends outside the hollow drill rod 3 and is inserted into the soil. As the closure flap 7 moves downwards, the closure flap 7 scrapes off the soil in the respective soil layer. The scraped soil enters the collecting cavity 5 through the sampling port 6, and then the collection of the soil sample is completed.
The drive assembly includes a connection plate 16 and an electric pushrod 20. A fixed seat 21 is fixedly arranged in the hollow drill rod 3. The electric push rod 20 is vertically and downwards fixedly arranged on the fixed seat 21. The output end of the electric push rod 20 is fixedly connected with a mounting plate 19. The lower end face of the mounting plate 19 is symmetrically and fixedly provided with a connecting rod 18. The lower end of each connecting rod 18 is fixedly connected with a connecting plate 16. The two connection plates 16 are symmetrically arranged. The connecting plates 16 are in one-to-one correspondence with the fixing plates 13. Both ends of the connecting plate 16 are provided with horizontal guide grooves 17, and the two horizontal guide grooves 17 on the same connecting plate 16 are in one-to-one correspondence with the two sealing sheets 7. The horizontal guide grooves 17 are slidably connected with the corresponding slide bars 9.
The electric push rod 20 drives the connecting plate 16 to move up and down through the mounting plate 19 and the connecting rod 18. The connecting plate 16 drives the slide bar 9 to slide along the guide slide way, and simultaneously the slide bar 9 slides along the horizontal guide groove 17.
Working principle and working process: as shown in fig. 8, in the first state, that is, in the initial state, the sealing piece 7 is in the vertical state, and the sealing piece 7 seals the sampling port 6, so that the outer wall of the hollow drill rod 3 is in a smooth and flat state. Thus, when the hollow drill rod 3 drills into soil, the soil above the soil layer 22 to be measured is effectively prevented from falling into the hollow drill rod 3. The upper end of the slide bar 12 is now at the upper end of the slide chamber 11. The slide bar 9 is at the upper end of the inclined guide slot 14 and the slide bar 9 is at the end of the horizontal guide slot 17 facing away from the middle of the connecting plate 16.
In use, the device is moved over the point to be sampled. The drilling mechanism is started, so that the hollow drill rod 3 stretches into soil to a certain depth, and the sampling port 6 is opposite to the soil layer 22 to be tested. The drilling mechanism is then closed.
The electric push rod 20 is started to extend the electric push rod 20, and the electric push rod 20 pushes the connecting plate 16 to move downwards through the mounting plate 19 and the connecting rod 18. The connecting plate 16 pushes the slide bar 9 to move downwards. Under the guiding action of the inclined guide groove 14, the slide bar 9 moves towards the lower end of the inclined guide groove 14, so that the slide bar 9 moves downwards and simultaneously moves towards the direction away from the corresponding sampling port 6. The slide bar 9 drives the closing piece 7 to move downwards through the connecting piece 8, and the slide bar 12 slides downwards along the slide cavity 11. The slide bar 9 drives the lower end of the sealing piece 7 to move in a direction deviating from the sampling port 6, so that the sealing piece 7 rotates around the rotating shaft 10, and the upper end of the sealing piece 7 extends to the outside of the hollow drill rod 3 and extends into the soil of the soil layer 22 to be measured. The closing blade 7 then gradually moves downwards and rotates further as the slide bar 9 slides towards the lower end of the inclined guide slot 14. The sampling port 6 is gradually opened, the upper end of the sealing piece 7 scrapes the soil of the soil layer 22 to be measured, and the scraped soil enters the collecting cavity 5 through the sampling port 6. The inclined plane design of sample connection 6 lower extreme is favorable to scraping the soil and enters into in the collection chamber 5. During this process, the slide bar 9 slides along the horizontal guide groove 17 to a position where the horizontal guide groove 17 is close to the middle of the connection plate 16. Until the slide bar 9 moves to the communication between the inclined guide groove 14 and the vertical guide groove 15, the closing plate 7 is in the second state as shown in fig. 9.
Then, along with the downward movement of the connecting plate 16, the slide bar 9 moves downward along the vertical guide groove 15, the slide bar 9 drives the sealing piece 7 to move downward, and the inclination angle of the sealing piece 7 is kept unchanged. The closing sheet 7 continuously scrapes off the soil layer 22 to be measured and collects the soil layer into the collecting cavity 5. Until the slide bar 9 moves to the lower end of the vertical guide slot 15, the closing tab 7 is now in a third state, as shown in fig. 10, in which the closing tab 7 is in contact with the lower end of the sampling port 6. Soil sampling is completed.
The electric push rod 20 is then shortened, and the mounting plate 19, the connecting rod 18, and the connecting plate 16 are moved upward. The connecting plate 16 drives the slide bar 9 to move upwards along the vertical guide groove 15, so that the closing piece 7 moves upwards, and the slide bar 12 moves upwards along the slide cavity 11. The closing flap 7 moves from the third state to the second state. During this process, the inclination angle of the closing tab 7 is unchanged. Until the slide bar 9 moves to the communication between the inclined guide groove 14 and the vertical guide groove 15. The slide bar 9 then slides along the inclined guide groove 14 towards the upper end of the inclined guide groove 14, and under the action of the inclined guide groove 14, the closing piece 7 moves upwards while the closing piece 7 rotates around the rotating shaft 10, and the closing piece 7 moves from the second state to the initial state. Until the slide bar 9 returns to the initial position, the closing flap 7 returns to the first state. At this time, the sealing piece 7 seals the sampling port 6, so that the outer wall of the hollow drill rod 3 is kept smooth and flat, and the soil of other soil layers of the hollow drill rod 3 in the upward movement process can be effectively prevented from falling into the hollow drill rod 3 to pollute the sample.
The hollow drill rod 3 is then moved upwardly out of the way from the surface by the drilling mechanism. The drill bit 4 is then removed and a soil sample is removed from the collection chamber 5.
Although the present invention has been described with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements and changes may be made without departing from the spirit and principles of the present invention.
Claims (7)
1. The utility model provides a high-fidelity sampling device of industry contaminated site soil, includes box (1), hollow drilling rod (3), its characterized in that are installed to the lower extreme of box (1): the lower end of the hollow drill rod (3) is detachably and fixedly provided with a drill bit (4), and the upper part of the drill bit (4) is provided with a collecting cavity (5) communicated with the hollow drill rod (3); a sampling port (6) is formed in the rotating surface of the hollow drill rod (3), a sliding cavity (11) is formed in the vertical inner wall of the sampling port (6), a sliding strip (12) is connected in the sliding cavity (11) in a vertical sliding mode, the sliding strip (12) is rotatably connected with a sealing piece (7) through a rotating shaft (10), and the axis of the rotating shaft (10) is perpendicular to the vertical inner wall of the sampling port (6); the sealing piece (7) is matched with the sampling port (6), and when the sealing piece (7) plugs the sampling port (6), the outer wall of the hollow drill rod (3) is smooth and flat;
the hollow drill rod (3) is internally provided with a driving mechanism for driving the sealing piece (7) to move, the driving mechanism drives the sealing piece (7) to move downwards and simultaneously enables the sealing piece (7) to rotate around the rotating shaft (10), the upper end of the sealing piece (7) stretches into soil outside the hollow drill rod (3), the sampling port (6) is opened, the soil layer (22) to be detected is scraped and sampled when the sealing piece (7) moves downwards, and a sample enters the collecting cavity (5) through the sampling port (6).
2. The high-fidelity sampling device for the soil of the industrial contaminated site according to claim 1, wherein: the driving mechanism comprises a guide piece and a driving assembly;
the guide piece comprises a fixing plate (13), the fixing plate (13) is vertically arranged, and the fixing plate (13) is fixed in the hollow drill rod (3);
a guide slideway is arranged on the fixed plate (13), and comprises an inclined guide groove (14) and a vertical guide groove (15); the lower end of the inclined guide groove (14) is close to the inside of the hollow drill rod (3), and the lower end of the inclined guide groove (14) is communicated with the upper end of the vertical guide groove (15);
a connecting piece (8) is fixedly arranged on the sealing piece (7), and the connecting piece (8) is positioned below the rotating shaft (10); the connecting piece (8) is fixedly connected with a sliding rod (9), and the sliding rod (9) is arranged in the guide slideway;
the driving component is arranged in the hollow drill rod (3), and drives the sliding rod (9) to enable the sliding rod (9) to slide along the guide slideway.
3. The high-fidelity sampling device for the soil of the industrial contaminated site according to claim 2, wherein: the driving assembly comprises a connecting plate (16), the connecting plate (16) is arranged in the hollow drill rod (3) in a vertical moving mode, a horizontal guide groove (17) is formed in the connecting plate (16), and the sliding rod (9) is connected with the horizontal guide groove (17) in a sliding mode.
4. A soil high-fidelity sampling device for an industrial contaminated site according to claim 3, wherein: the driving assembly also comprises an electric push rod (20); a fixed seat (21) is fixedly arranged in the hollow drill rod (3), an electric push rod (20) is fixedly arranged on the fixed seat (21), the output end of the electric push rod (20) is vertically downwards, the output end of the electric push rod (20) is fixedly connected with a mounting plate (19), the lower end of the mounting plate (19) is fixedly connected with a connecting rod (18), and the lower end of the connecting rod (18) is fixedly connected with a connecting plate (16).
5. The high-fidelity sampling device for the soil of the industrial contaminated site according to claim 1, wherein: the end faces of the upper end and the lower end of the sampling port (6) are inclined planes, and the inner part of the lower hollow drill rod (3) of the inclined planes is inclined.
6. The high-fidelity sampling device for the soil of the industrial contaminated site according to claim 1, wherein: the box body (1) is internally provided with a drilling mechanism, the drilling mechanism is in driving connection with the hollow drill rod (3), and the drilling mechanism drives the hollow drill rod (3) to rotate and simultaneously enables the hollow drill rod (3) to move up and down.
7. The high-fidelity sampling device for the soil of the industrial contaminated site according to claim 1, wherein: the lower end of the box body (1) is provided with a plurality of supporting legs (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310966921.2A CN116698474B (en) | 2023-08-03 | 2023-08-03 | High-fidelity sampling device for soil in industrial contaminated site |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310966921.2A CN116698474B (en) | 2023-08-03 | 2023-08-03 | High-fidelity sampling device for soil in industrial contaminated site |
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| CN116698474A true CN116698474A (en) | 2023-09-05 |
| CN116698474B CN116698474B (en) | 2023-10-27 |
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| 沈立娜;阮海龙;刘海龙;刘协鲁;赵义;: "中空螺旋取土钻具的研制", 地质装备, no. 05 * |
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