CN117347101A - Soil sampling device - Google Patents
Soil sampling device Download PDFInfo
- Publication number
- CN117347101A CN117347101A CN202311529961.7A CN202311529961A CN117347101A CN 117347101 A CN117347101 A CN 117347101A CN 202311529961 A CN202311529961 A CN 202311529961A CN 117347101 A CN117347101 A CN 117347101A
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- Prior art keywords
- disc
- push rod
- soil
- rotating shaft
- sampling
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- 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.)
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- 238000005527 soil sampling Methods 0.000 title claims abstract description 32
- 239000002689 soil Substances 0.000 claims abstract description 53
- 238000005070 sampling Methods 0.000 claims abstract description 47
- 230000005540 biological transmission Effects 0.000 claims abstract description 15
- 238000007790 scraping Methods 0.000 claims abstract description 12
- 230000005641 tunneling Effects 0.000 description 8
- 238000000034 method Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000012544 monitoring process Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000003900 soil pollution 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
- G01N1/08—Devices for withdrawing samples in the solid state, e.g. by cutting involving an extracting tool, e.g. core bit
-
- 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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- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Sampling And Sample Adjustment (AREA)
Abstract
The invention relates to the technical field of sampling equipment, in particular to a soil sampling device, which comprises a push rod, wherein a sampling disc is arranged on the push rod and comprises a first disc piece and a second disc piece, the first disc piece and the second disc piece are both rotationally connected with the push rod, a soil scraping assembly is arranged between the first disc piece and the second disc piece, and the soil scraping assembly comprises a plurality of scrapers, a plurality of rotating shafts, a limiting structure and a transmission structure. The plurality of scrapers are arranged between the first disc and the second disc, and the plurality of scrapers are arranged along the circumferential direction of the first disc or the second disc; the rotating shafts are fixedly connected with the corresponding scrapers respectively, one end of each rotating shaft is rotationally connected with the first disc piece, and the other end of each rotating shaft is rotationally connected with the second disc piece; the push rod can rotate the scraper by a certain angle through the transmission structure, and under the action of the limiting structure, the push rod drives the rotating shaft to revolve, so that the scraper can scrape the soil outside the sampling disc more, and the soil sampling efficiency is improved.
Description
Technical Field
The invention relates to the technical field of sampling equipment, in particular to a soil sampling device.
Background
With the continuous development of economy and society, soil pollution problems occur in a plurality of areas, the problems bring about huge damage to a local ecological system, soil environment pollution monitoring and treatment work is particularly important, and the comprehensive monitoring of the soil environment is an important basis for comprehensive treatment of the soil environment.
Soil collection and sampling are the pre-program of soil research analysis, sample soil through soil sampling equipment among the prior art, and current soil sampling equipment is provided with the tunnelling mechanism, and tunnelling mechanism's top sets up the sampling dish, and the fixed scraper that is provided with on the sampling dish, when tunnelling mechanism drives the sampling dish and removes to the degree of depth of settlement, opens the sampling dish, drives the scraper through rotating the sampling dish and rotates and scrape into the sampling dish with soil.
However, the amount of soil scraped into the sampling tray by the scraper in this device is small, and even it is difficult to scrape the soil into the sampling tray, resulting in an inefficiency of soil sampling.
Disclosure of Invention
Aiming at the defects in the prior art, the soil sampling device provided by the invention can scrape more soil samples into the sampling disc, and the soil sampling efficiency is improved.
The invention provides a soil sampling device, which comprises a push rod, wherein a sampling disc is arranged on the push rod, the sampling disc comprises a first disc piece and a second disc piece which are identical in shape, the first disc piece and the second disc piece are both rotationally connected with the push rod, a soil scraping assembly is arranged between the first disc piece and the second disc piece, and the soil scraping assembly comprises:
the plurality of scrapers are arranged between the first disc and the second disc, are arranged along the circumference of the first disc or the second disc, and are arranged at positions of the first disc or the second disc far away from the center;
the rotating shafts are fixedly connected with the corresponding scrapers respectively, one end of each rotating shaft is rotationally connected with the first disc piece, and the other end of each rotating shaft is rotationally connected with the second disc piece;
the limiting structure is arranged between the push rod and the first disc and used for limiting the relative rotation angle of the push rod and the first disc;
the transmission structure is arranged between the push rod and the rotating shaft and is used for transmitting the power for rotating the push rod to the rotating shaft to drive the rotating shaft to rotate, and the rotating shaft drives the scraper to rotate.
Preferably, the scrapers are arc-shaped, a plurality of scrapers, the first disc and the second disc can be enclosed to form a closed cavity, and the cavity is used for containing soil samples.
Preferably, the first disc member and the second disc member are perpendicular to the push rod, the push rod is located at the center of the first disc member, the limiting structure comprises a limiting groove, the limiting groove is formed in the first disc member and is an arc-shaped groove, the center of the limiting groove coincides with the center of the push rod, a limiting block is slidably arranged in the limiting groove, a connecting piece is arranged between the limiting block and the push rod, and the connecting piece is fixedly connected with the limiting block and the push rod.
Preferably, the limit grooves are provided in plurality, and the limit grooves are circumferentially arranged around the push rod.
Preferably, the connecting piece comprises a third disc piece, the third disc piece and the push rod are concentrically arranged, the third disc piece is fixedly connected with the push rod, and the third disc piece is fixedly connected with the limiting block.
Preferably, the transmission structure comprises an outer gear ring, the outer gear ring is sleeved and fixed on the third disc, the upper end of the rotating shaft extends to the upper side of the first disc, the upper end of the rotating shaft is sleeved and fixed with a gear, and the gear is meshed with the outer gear ring.
Preferably, the gear is an incomplete gear which meshes with the outer gear ring and has a length of mesh greater than that of the arcuate slot.
Preferably, the rotation angle of the rotating shaft is smaller than 90 °.
Preferably, the sampling plate is provided with a plurality of along the length direction of push rod, and every sampling plate corresponds and is provided with a soil scraping assembly.
Preferably, a tunneling drill bit is arranged at the bottom of the lowest sampling disc, the tunneling drill bit is fixedly connected with the push rod, the first disc piece and the second disc piece are round, the first disc piece has a first diameter, the second disc piece has a second diameter, the first diameter is equal to the second diameter, the tunneling drill bit has a maximum diameter, and the maximum diameter is equal to the first diameter.
Compared with the prior art, the soil sampling device provided by the invention has the beneficial effects that:
through setting up a plurality of scrapers between first disk and second disk, with scraper and pivot fixed connection, the both ends of pivot rotate with first disk and second disk respectively and be connected, during the use rotate the push rod, the push rod passes through transmission structure and drives the pivot rotation, the pivot rotation drives the scraper and rotates, can rotate certain angle with the scraper, after rotating, under limit structure's effect, the push rod drives first disk, second disk, the pivot rotates together, the pivot revolution makes the scraper can scrape the soil of down the sampling dish outside more, the efficiency of soil sampling is improved.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present invention;
FIG. 2 is a schematic view of a spacing structure and a transmission structure of the present invention;
FIG. 3 is a schematic view of the doctor blade of the invention in use;
fig. 4 is a schematic structural diagram of embodiment 2 of the present invention.
Reference numerals illustrate:
1. a push rod; 2. a sampling plate; 201. a first disc; 202. a second disc; 3. a scraper; 4. a rotating shaft; 5. a transmission structure; 501. an outer ring gear; 502. a gear; 6. a limit structure; 601. a limit groove; 602. a limiting block; 603. a third disc member; 7. and (5) tunneling the drill bit.
Detailed Description
Specific embodiments of the present invention will be described in detail below with reference to fig. 1 to 4, but it should be understood that the scope of the present invention is not limited by the specific embodiments.
In the process of downward movement of the sampling disc, soil is extruded to the periphery because the sampling disc occupies a certain space, and because the scraper is fixed on the sampling disc in the device, when the soil at the scraper is moved to a set depth, the soil at the scraper is extruded to the periphery of the outside of the sampling disc, so that the amount of the soil scraped by the scraper is small, and based on the soil sampling device, the inventor designs the soil sampling device in the application.
Example 1
The soil sampling device that this embodiment provided, as shown in fig. 1, including push rod 1, be provided with sampling dish 2 on the push rod 1, sampling dish 2 includes the same first dish piece 201 of shape and second dish piece 202, first dish piece 201 and second dish piece 202 are parallel to each other and arrange along the length direction of push rod 1, first dish piece 201 and second dish piece 202 all rotate with push rod 1 to be connected, be provided with between first dish piece 201 and the second dish piece 202 and scrape native subassembly, scrape native subassembly and include a plurality of scraper 3, a plurality of pivot 4, limit structure 6 and transmission structure 5.
Wherein a plurality of scrapers 3 are arranged between the first disc 201 and the second disc 202, the plurality of scrapers 3 are arranged along the circumference of the first disc 201 or the second disc 202, and the scrapers 3 are arranged at a position of the first disc 201 or the second disc 202 away from the center; the rotating shafts 4 are respectively and fixedly connected with the corresponding scrapers 3, the rotating shafts 4 are parallel to the push rods 1, one end of each rotating shaft 4 is rotationally connected with the first disc 201, and the other end of each rotating shaft is rotationally connected with the second disc 202; the limiting structure 6 is arranged between the push rod 1 and the first disc 201 and is used for limiting the relative rotation angle of the push rod 1 and the first disc 201; the transmission structure 5 is arranged between the push rod 1 and the rotating shaft 4 and is used for transmitting power for rotating the push rod 1 to the rotating shaft 4 and driving the rotating shaft 4 to rotate, and the rotating shaft 4 drives the scraper 3 to rotate to one side deviating from the push rod 1 for scraping soil.
When the sampling device is used, the initial state is as shown in the state of fig. 2, the angles of a plurality of scrapers 3 are parallel to the outer peripheral surface of the first disc 201 or the second disc 202, the push rod 1 is convenient to drive the sampling disc 2 to move to a set depth, when the sampling disc 2 moves to the set soil depth, the push rod 1 is rotated positively, the rotating power of the push rod 1 is transmitted to the rotating shaft 4 through the transmission structure 5, the rotating shaft 4 drives the scrapers 3 to rotate at an angle, after the scrapers 3 rotate at a certain angle, the limiting structure limits the first disc 201 and the push rod 1, at the moment, the push rod 1 can drive the first disc 201, the second disc 202 and the rotating shaft 4 to rotate, the rotating shaft 4 realizes revolution, and the rotating shaft 4 drives the scrapers 3 to scrape soil between the first disc 201 and the second disc 202, so that soil sampling is realized. Since the scraper 3 can be rotated to the outside of the sampling disc 2, an increase in the amount of soil sampling can be achieved.
In order to keep the inside of the sampling disc 2 from entering redundant soil in the process of moving the sampling disc 2 to a set depth, the scrapers 3 are arranged in an arc shape, and a plurality of scrapers 3, the first disc 201 and the second disc 202 can be enclosed into a closed cavity for accommodating soil samples.
In the process of pushing the push rod 1 to drive the sampling disc 2 to move downwards, the plurality of scrapers 2 rotate to a state that the plurality of scrapers 3, the first disc 201 and the second disc 202 can be enclosed into a closed cavity, so that the soil is prevented from entering the sampling disc 2 in the downwards moving process.
In order to enable the push rod 1 to drive the first disc 201 and the second disc 202 to rotate, the first disc 201 and the second disc 202 are perpendicular to the push rod 1, the push rod 1 is located at the center of the first disc 201, the limiting structure 6 comprises a limiting groove 601 which is formed in the first disc 201, the limiting groove 601 is an arc-shaped groove, the center of the limiting groove 601 coincides with the center of the push rod 1, a limiting block 602 is arranged in the limiting groove 601 in a sliding mode, a connecting piece is arranged between the limiting block 602 and the push rod 1, and the connecting piece is fixedly connected with the limiting block 602 and the push rod 1.
When the push rod 1 drives the limiting block 602 to move in the limiting groove 601, the push rod 1 and the first disc 201 can rotate relatively, and the push rod 1 can drive the rotating shaft 4 to rotate through the transmission structure 5; when the push rod 1 drives the limiting block 602 to move to the end limit position of the limiting groove 601, the push rod 1 and the first disc 201 cannot rotate relatively, and the push rod 1 drives the first disc 201 to rotate synchronously, so as to drive the scraper 3 to scrape soil.
In order to enable the push rod 1 to drive the first disc 201 to rotate stably, the limit grooves 601 are provided in plurality, and the plurality of limit grooves 601 are arranged around the circumferential direction of the push rod 1, and in this embodiment, as shown in fig. 2, two limit grooves 601 are provided.
In order to play a limiting role and a transmission role, the connecting piece comprises a third disc 603, the third disc 603 is concentrically arranged with the push rod 1, the third disc 603 is fixedly connected with the push rod 1 in a sleeved mode, and the third disc 603 is fixedly connected with the limiting block 602.
In this embodiment, the transmission structure 5 includes an outer gear ring 501, which is sleeved and fixed on the third disc member 603, the upper end of the rotating shaft 4 extends to the upper side of the first disc member 201, the upper end of the rotating shaft 4 is sleeved and fixed with a gear 502, and the gear 502 is meshed with the outer gear ring 501.
When the push rod 1 rotates, the third disc 603 is driven to synchronously rotate, the third disc 603 drives the gear 502 meshed with the third disc 603 to rotate, and the gear 502 drives the rotating shaft 4 to rotate, so that the scraper 2 is driven to rotate.
In order to avoid the obstruction of the gear 502 to the downward movement of the sampling disc 2 to the depth of the soil, the gear 502 is an incomplete gear, the outer gear ring 501 can still be meshed with the incomplete gear to form a limit when the push rod 1 drives the limiting block 602 to move to the limit position of the end part of the limiting groove 601, the incomplete gear drives the rotating shaft 4 to revolve through the meshing of the teeth, the incomplete gear is meshed with the outer gear ring 501, and the length of the meshing section is larger than that of the arc groove.
In order to enable the scraper 3 to have a better soil scraping effect, the rotating angle of the rotating shaft 4 is smaller than 90 degrees, and the smaller the rotating angle is, the sharper the soil is scraped; the larger the rotation angle is, the larger the soil scraping amount is, and the soil scraping amount can be specifically adjusted according to sampling requirements.
Application method and working principle
In the soil sampling apparatus provided in this embodiment, taking fig. 2 as an example, when the soil sampling apparatus is used, firstly, the push rod 1 rotates anticlockwise, the push rod 1 drives the third disc 603 to rotate synchronously, the third disc 603 drives the incomplete gear to rotate through the outer gear ring 501, the incomplete gear drives the rotating shaft 4 to rotate, and the rotating shaft 4 drives the scraper 3 to rotate so as to seal the cavity between the first disc 201 and the second disc 202.
At this time, the limiting block 602 moves to the end limit position of the limiting groove 601 along with the third disc 603, the push rod 1 is continuously rotated, the limiting block 602 drives the first disc 201 to rotate, the rotating shaft 4 does not rotate, the rotating shaft 4 revolves along with the push rod 1, and therefore the cutting angle can be gradually increased to cut soil, and the situation that the cutting difficulty of the soil is blocked due to the fact that the one-time rotation angle of the scraper is too large is avoided.
After the sampling disc 2 is moved to a set soil depth through the push rod, the push rod 1 is reversely rotated, the limiting block 602 moves in the limiting groove 601 along with the third disc 603, the third disc 603 drives the incomplete gear to reversely rotate through the outer gear ring 501, the incomplete gear drives the rotating shaft 4 to reversely rotate so as to drive the scraper 3 to rotate so as to open a cavity between the first disc 201 and the second disc 202, the scraper 3 tightly abuts against soil outside the sampling disc 2, when the rotating shaft 4 cannot continuously rotate, the push rod 1 drives the rotating shaft 4 and the scraper 3 to revolve so as to cut the soil, the cut soil enters the cavity between the first disc 201 and the second disc 202 along with the direction of the scraper 3, a gap is reserved between the soil and the scraper 3 after a part of the soil is cut into the cavity, the push rod 1 continuously drives the rotating shaft 4 to be automatically conveyed to the scraper 3 to tightly abut against the soil, and the circulation is performed until the limiting block 602 moves to the end limit position of the limiting groove 601 along with the third disc 603, as shown in a state in fig. 3, the push rod 1 cannot continuously drive the rotating shaft 4 to automatically convey the rotating shaft 4, the cut the soil along with the revolution of the push rod 1, and the soil is completely sampled.
After that, the push rod 1 is rotated forward, and the same principle is adopted, the rotating shaft 4 drives the scraper 3 to rotate, so that a cavity between the first disc 201 and the second disc 202 is closed, and the device is taken out of soil.
Example 2
On the basis of embodiment 1, as shown in fig. 4, in the soil sampling device provided in this embodiment, a plurality of sampling plates 2 are disposed along the length direction of the push rod 1, and each sampling plate 2 is correspondingly provided with a soil scraping assembly.
In order to facilitate the device to be put deep into the soil, the bottom of the lowest sampling disc 2 is provided with a tunneling drill bit 7, and the tunneling drill bit 7 can use the existing earth boring drill bit, and the specific structure is not described herein. The tunneling drill bit 7 is fixedly connected with the push rod 1, the first disc 201 and the second disc 202 are circular, the first disc 201 has a first diameter, the second disc 202 has a second diameter, the first diameter and the second diameter are equal, the tunneling drill bit 7 has a maximum diameter, and the maximum diameter is equal to the first diameter. So that the scraper 3 between the first disc 201 and the second disc 202 can cling to the soil when penetrating into the soil, and the soil sampling efficiency is further improved.
The foregoing disclosure is merely illustrative of preferred embodiments of the present invention, but the embodiments of the present invention are not limited thereto, and any variations within the scope of the present invention will be apparent to those skilled in the art.
Claims (10)
1. Soil sampling device, including push rod (1), be provided with sampling dish (2) on push rod (1), its characterized in that, sampling dish (2) are including first dish piece (201) and second dish piece (202), first dish piece (201) with second dish piece (202) are parallel to each other and follow the length direction of push rod (1) arranges, first dish piece (201) with second dish piece (202) all with push rod (1) rotate and are connected, first dish piece (201) with be provided with between second dish piece (202) and scrape native subassembly, it includes to scrape native subassembly:
a plurality of scrapers (3) arranged between the first disc (201) and the second disc (202), wherein the plurality of scrapers (3) are arranged along the circumferential direction of the first disc (201), and the scrapers (3) are arranged at the position of the first disc (201) far from the center;
the rotating shafts (4) are fixedly connected with the corresponding scrapers (3) respectively, the rotating shafts (4) are parallel to the push rods (1), one end of each rotating shaft (4) is rotationally connected with the first disc (201), and the other end of each rotating shaft is rotationally connected with the second disc (202);
the limiting structure (6) is arranged between the push rod (1) and the first disc (201) and is used for limiting the relative rotation angle of the push rod (1) and the first disc (201);
the transmission structure (5) is arranged between the push rod (1) and the rotating shaft (4), is used for transmitting power for rotating the push rod (1) to the rotating shaft (4), drives the rotating shaft (4) to rotate, and the rotating shaft (4) drives the scraper (3) to rotate to one side deviating from the push rod (1) for scraping soil.
2. A soil sampling device according to claim 1, characterized in that the blades (3) are arranged in an arc shape, and that several blades (3) and the first (201) and second (202) discs can enclose a closed chamber for receiving a soil sample.
3. The soil sampling device according to claim 1, wherein the first disc (201) and the second disc (202) are perpendicular to the push rod (1), the push rod (1) is located at the central position of the first disc (201), the limiting structure (6) comprises a limiting groove (601) formed in the first disc (201), the limiting groove (601) is an arc groove, the center of the limiting groove (601) coincides with the center of the push rod (1), a limiting block (602) is arranged in the limiting groove (601) in a sliding manner, and a connecting piece is arranged between the limiting block (602) and the push rod (1) and fixedly connected with the limiting block (602) and the push rod (1).
4. A soil sampling apparatus as claimed in claim 3, wherein the limit groove (601) is provided in plurality, the plurality of limit grooves (601) being arranged circumferentially around the push rod (1).
5. A soil sampling device according to claim 3, wherein the connecting member comprises a third disc member (603), the third disc member (603) is arranged concentrically with the push rod (1), the third disc member (603) is fixedly connected with the push rod (1) in a sleeved mode, and the third disc member (603) is fixedly connected with the limiting block (602).
6. The soil sampling apparatus as claimed in claim 5, wherein the transmission structure (5) comprises an outer gear ring (501) fixed to the third disc member (603) in a sleeved manner, the upper end of the rotating shaft (4) extends to the upper side of the first disc member (201), a gear (502) is fixed to the upper end of the rotating shaft (4) in a sleeved manner, and the gear (502) is meshed with the outer gear ring (501).
7. The soil sampling apparatus as claimed in claim 6, wherein the gear (502) is an incomplete gear which meshes with the outer gear ring (501) and has a meshing section of a length greater than the length of the arcuate slot.
8. Soil sampling apparatus according to claim 1, wherein the rotation angle of the rotation shaft (4) is less than 90 °.
9. Soil sampling device according to claim 1, characterized in that the sampling discs (2) are provided in plurality along the length of the push rod (1), each sampling disc (2) being provided with a respective soil scraping assembly.
10. A soil sampling apparatus as claimed in claim 9, wherein the bottom of the lowermost sampling disc (2) is provided with a tunnelling bit (7), the tunnelling bit (7) being fixedly connected to the push rod (1), the first and second discs (201, 202) each being circular, the first disc (201) having
Having a first diameter, said second disc (202) having a second diameter, the first diameter and the second diameter being equal,
the earth-boring bit (7) has a maximum diameter which is equal to the first diameter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311529961.7A CN117347101A (en) | 2023-11-16 | 2023-11-16 | Soil sampling device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311529961.7A CN117347101A (en) | 2023-11-16 | 2023-11-16 | Soil sampling device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN117347101A true CN117347101A (en) | 2024-01-05 |
Family
ID=89357720
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202311529961.7A Pending CN117347101A (en) | 2023-11-16 | 2023-11-16 | Soil sampling device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN117347101A (en) |
-
2023
- 2023-11-16 CN CN202311529961.7A patent/CN117347101A/en active Pending
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