Soil sample collection device and use method thereof

Abstract

The invention discloses a soil sample collecting device and a using method thereof, and belongs to the field of soil sampling, the soil sample collecting device comprises a crawler-type walking trolley, and a positioning monitoring mechanism, a movable surface treatment mechanism and a drilling type soil sampling mechanism which are arranged on the crawler-type walking trolley, wherein the positioning monitoring mechanism is used for positioning the crawler-type walking trolley and performing video monitoring; the movable surface layer processing mechanism is used for shoveling covering surface layers of sampling points before sampling; the drilling type soil sampling mechanism is used for drilling a soil sample and storing the soil sample, and the positioning monitoring mechanism, the movable surface treatment mechanism and the drilling type soil sampling mechanism communicate with the remote control terminal. By adopting the soil sample collecting device and the using method thereof, remote sampling is realized, the surface layer of the soil can be automatically treated, and manpower is saved.

Description

Technical Field

[0001] The present invention relates to the technical field of soil sampling, and in particular to a soil sample collecting device and a use method thereof. Background Art

[0002] Soil sampling is a key environmental and agricultural practice that involves collecting a certain amount of soil samples from a specific location for scientific research, environmental monitoring or agricultural management. This process not only reveals the physical, chemical and biological properties of the soil, but also helps assess environmental pollution, monitor the health of the ecosystem, and provide a scientific basis for agricultural production. Therefore, the role of soil sampling cannot be ignored in the fields of environmental protection, resource management and sustainable development.

[0003] However, in actual operation, soil sampling still faces the following challenges:

[0004] 1. Many ideal sampling sites are located in remote areas, such as mountains, wetlands or other hard-to-reach places. These areas usually have rugged roads, inconvenient transportation, or even no traffic conditions at all, making it extremely difficult for researchers to go to the site.

[0005] 2. The sampling sites are often covered by dense vegetation, including trees, bushes, herbaceous plants, etc. The presence of these vegetation brings additional obstacles to the sampling work. Summary of the invention

[0006] The purpose of the present invention is to provide a soil sample collection device and a method of using the same to solve the above technical problems.

[0007] To achieve the above-mentioned purpose, the present invention provides a soil sample collection device, including a crawler-type walking trolley and a positioning monitoring mechanism, a mobile surface processing mechanism and a drilling soil sampling mechanism arranged on the crawler-type walking trolley, wherein the positioning monitoring mechanism is used to position the crawler-type walking trolley and perform video monitoring; the mobile surface processing mechanism is used to remove the covering surface of the sampling point before sampling; the drilling soil sampling mechanism is used to drill soil samples and store them, and the positioning monitoring mechanism, the mobile surface processing mechanism and the drilling soil sampling mechanism all communicate with a remote control terminal.

[0008] Preferably, the crawler-type walking vehicle comprises a chassis and crawler drive units arranged on both sides of the chassis;

[0009] The positioning monitoring mechanism includes a GPS arranged at the top of the vehicle chassis and a remote camera arranged at the front end of the vehicle chassis. Both the GPS and the remote camera communicate with a remote control terminal, and the remote control terminal communicates with the crawler-type walking vehicle.

[0010] Preferably, a mounting groove is provided at the bottom end of the chassis of the vehicle body;

[0011] The mobile surface processing mechanism includes a three-axis displacement platform arranged inside the accommodating installation groove, a surface cutting unit and a surface cleaning unit arranged at the output end at the bottom of the three-axis displacement platform, and the surface cutting unit and the surface cleaning unit are arranged in sequence from front to back along the crawler walking vehicle.

[0012] Preferably, the surface cutting unit includes a cantilever rod with one end fixed to the output end of the bottom of the three-axis displacement platform and an opening and closing cutter assembly fixed to the other end of the cantilever rod, the opening and closing cutter assembly includes a mounting plate fixed on the cantilever rod, an opening and closing drive cylinder fixed on the mounting plate, and an opening and closing rod with one end vertically rotating on the mounting plate via a rotating shaft, the other end of the opening and closing rod is connected to the cutter disc via a cutting drive motor, and the end of the opening and closing rod close to the rotating shaft is also vertically rotationally connected to the output end of the opening and closing drive cylinder.

[0013] Preferably, the surface cleaning unit comprises a cleaning shovel fixed to the bottom output end of the three-axis displacement platform, a cutting and discharging assembly vertically and actively arranged inside the cleaning shovel, and a cutting and discharging motor for driving the cutting and discharging assembly. A feeding port is provided on one side of the cleaning shovel facing the front end of the crawler-type walking trolley, and a shovel plate structure is provided on the bottom end of the cleaning shovel corresponding to the feeding port.

[0014] A discharge port is arranged on the side of the cleaning shovel away from the feed port, one end of a hose is connected to the discharge port, the other end of the hose is fixed to the rear end of the crawler trolley, and a discharge port is arranged on the side of the hose facing the rear end of the crawler trolley.

[0015] Preferably, the cutting and discharging assembly comprises a cleaning rod vertically rotatably arranged inside the cleaning shovel, a discharging blade arranged in the middle of the cleaning rod, and cutting blades arranged at both ends of the cleaning rod, the discharging blade is a plate-shaped blade, the cutting blade is a spiral blade, and the spiral blade faces the discharging blade to feed the material, and the discharging blade is aligned with the discharge port;

[0016] The cleaning stick is fixedly connected to a cutting and discharging motor which is fixed on the outer wall of the cleaning shovel.

[0017] Preferably, the drilling soil sampling mechanism comprises a mounting tube fixed to the top of the chassis of the vehicle body, a multi-stage telescopic cylinder fixed to the top of the mounting tube, and a spiral drilling sampling assembly arranged at the bottom output end of the multi-stage telescopic cylinder, the spiral drilling sampling assembly comprises a drilling drive motor fixedly connected to the bottom end of the multi-stage telescopic cylinder, a conveying pipe fixedly connected to the motor body of the drilling drive motor, and a spiral conveying rod connected to the motor shaft of the drilling drive motor, the top end of the spiral conveying rod is arranged inside the conveying pipe, and a material transfer gap is left between the spiral conveying rod and the inner wall of the conveying pipe, the bottom end of the spiral conveying rod passes through the conveying pipe, and one end of the spiral conveying rod passing through the conveying pipe is arranged to be a conical head structure;

[0018] The top end of the conveying pipe is communicated with the storage box detachably arranged on the outer wall of the installation cylinder through the feeding channel.

[0019] Spiral blades are fixed on the outer wall of the spiral conveying rod.

[0020] Preferably, a cutting edge is arranged on the outer edge of the spiral blade.

[0021] A usage method of a soil sample collection device includes the following steps:

[0022] S1. The crawler-type walking vehicle travels under GPS navigation until it reaches the preset position coordinates, that is, it reaches the sampling point.

[0023] S2. Use the video data transmitted in real time by the remote camera to judge the surface condition of the sampling point, that is, judge whether the surface is frozen soil or covered with vegetation. If it shows that the surface is frozen soil, execute step S3; otherwise, execute step S4.

[0024] S3. Open the three-axis platform until the surface cutting unit and the surface cleaning unit are driven to extend into the surface layer. Open the opening and closing driving cylinder to drive the opening and closing rod to rotate downward and further insert into the surface layer. At this time, the bottom end of the cutter head is lower than the bottom end of the cleaning shovel to avoid damage to the cleaning shovel. Then close the opening and closing driving cylinder, and open the cutting driving motor and the cutting and discharging motor to drive the cutter head and the cleaning rod to rotate respectively. During this process, use the three-axis platform to drive the surface cutting unit and the surface cleaning unit to move horizontally, so that the surface layer can be cut by the cutter head, and then the cut surface layer can be cut again by the cleaning shovel, and finally discharged through the hose until the surface cleaning is completed, and the surface cutting unit and the surface cleaning unit are reset, which will surely interfere with sampling.

[0025] S4. The multi-stage telescopic cylinder drives the spiral drilling and sampling assembly to extend out, and uses the drilling driving motor to drive the spiral conveying rod to rotate, and cuts the soil layer with the spiral conveying rod and conveys the soil sample to the storage box for storage.

[0026] S5. Return, and the scientific research personnel remove the storage box and take out the soil sample.

[0027] Therefore, the present invention adopts the above-mentioned soil sample collection device and its usage method, and has the following beneficial effects:

[0028] 1. High mobility and adaptability: The crawler-type walking vehicle: adopts a crawler drive unit, can stably travel on rough or complex terrains (such as mountains, wetlands), and ensures that the equipment can reach remote and inaccessible sampling locations.

[0029] Equipped with GPS navigation and remote monitoring: Precise positioning is achieved through GPS, and real-time video monitoring is carried out using a remote camera. Researchers can understand the specific situation of the sampling point away from the site, improving the safety and efficiency of the operation;

[0030] 2. It can automatically remove the vegetation or other obstacles covering the sampling point before sampling to ensure the accuracy and integrity of sampling;

[0031] 4. It consists of a multi-stage telescopic cylinder, a spiral drilling sampling component, and a storage box. This design can not only penetrate deep underground to obtain deep soil samples, but also directly transport the samples to the storage box through a spiral conveyor rod, reducing manual intervention and improving the accuracy and speed of sampling.

[0032] The technical solution of the present invention will be further described in detail below with reference to the accompanying drawings and embodiments. Description of the Drawings

[0033] Figure 1 It is an external view of a soil sample collection device according to the present invention;

[0034] Figure 2 It is a schematic structural diagram of a mobile surface treatment mechanism of a soil sample collection device according to the present invention;

[0035] Figure 3 It is a schematic structural diagram of a drilling soil sampling mechanism of a soil sample collection device according to the present invention.

[0036] Reference Numerals

[0037] 1. Crawler-type walking trolley; 2. Positioning and monitoring mechanism; 21. Remote camera; 22. GPS; 3. Drilling soil sampling mechanism; 31. Multi-stage telescopic cylinder; 32. Storage box; 33. Installation cylinder; 34. Drilling drive motor; 35. Delivery pipe; 36. Spiral conveyor rod; 4. Mobile surface treatment mechanism; 41. Three-axis displacement platform; 42. Surface cutting unit; 421. Cantilever rod; 422. Installation disk; 423. Opening and closing drive cylinder; 424. Opening and closing rod; 425. Cutting drive motor; 426. Cutter head; 43. Surface cleaning unit; 431. Shovel plate structure; 432. Cutting blade; 433. Cleaning shovel; 434. Cutting and discharging motor; 435. Discharge port; 436. Cleaning rod; 437. Discharging blade. Detailed Embodiments

[0038] In order to make the objectives, technical solutions and advantages of the embodiments of the present invention more clear and understandable, the following further details the embodiments of the present invention in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the embodiments of the present invention and are not used to limit the embodiments of the present invention. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present invention without creative efforts belong to the scope of protection of this application. The examples of the embodiments are shown in the accompanying drawings, where the same or similar reference numerals represent the same or similar elements or elements with the same or similar functions from beginning to end.

[0039] It should be noted that the terms "including" and "having" and any variations thereof are intended to cover non-exclusive inclusion. For example, a process, method, system, product or server that includes a series of steps or units does not necessarily have to be limited to those steps or units clearly listed, but may include other steps or units not clearly listed or inherent to these processes, methods, products or devices.

[0040] The following further details the embodiments of the present invention in conjunction with the accompanying drawings.

[0041] As Figures 1 - 3 shown, a soil sample collection device includes a crawler-type walking vehicle 1 and a positioning and monitoring mechanism 2, a mobile surface treatment mechanism 4, and a drilling-type soil sampling mechanism 3 provided on the crawler-type walking vehicle 1. The positioning and monitoring mechanism 2 is used to position the crawler-type walking vehicle 1 and perform video monitoring; the mobile surface treatment mechanism 4 is used to remove the covering surface layer of the sampling point before sampling; the drilling-type soil sampling mechanism 3 is used to drill soil samples and store them. The positioning and monitoring mechanism 2, the mobile surface treatment mechanism 4, and the drilling-type soil sampling mechanism 3 are all in communication with a remote control terminal.

[0042] The crawler-type walking vehicle 1 includes a vehicle body chassis and crawler drive units provided on both symmetric sides of the vehicle body chassis; the positioning and monitoring mechanism 2 includes a GPS 22 provided at the top of the vehicle body chassis and a remote camera 21 provided at the front end of the vehicle body chassis. Both the GPS 22 and the remote camera 21 are in communication with the remote control terminal, and the remote control terminal is in communication with the crawler-type walking vehicle 1.

[0043] A receiving and installation groove is opened at the bottom end of the vehicle body chassis; the mobile surface treatment mechanism 4 includes a three-axis displacement platform 41 provided inside the receiving and installation groove, a surface cutting unit 42 and a surface cleaning unit 43 provided at the bottom output end of the three-axis displacement platform 41. The surface cutting unit 42 and the surface cleaning unit 43 are arranged in sequence from front to back along the crawler-type walking vehicle 1.

[0044] The surface cutting unit 42 includes a cantilever rod 421 with one end fixed to the bottom output end of the three-axis displacement platform 41 and an opening and closing cutter assembly fixed to the other end of the cantilever rod 421. The opening and closing cutter assembly includes a mounting plate 422 fixed on the cantilever rod 421, an opening and closing drive cylinder 423 fixed on the mounting plate 422, and an opening and closing rod 424 with one end vertically rotating on the mounting plate 422 via a rotating shaft. The other end of the opening and closing rod 424 is connected to a knife disc 426 via a cutting drive motor 425, and the end of the opening and closing rod 424 close to the rotating shaft is also vertically connected to the output end of the opening and closing drive cylinder 423 for rotation.

[0045] The surface cleaning unit 43 includes a cleaning shovel 433 fixed to the bottom output end of the three-axis displacement platform 41, a cutting and discharging component vertically and actively arranged inside the cleaning shovel 433, and a cutting and discharging motor 434 for driving the cutting and discharging component. The cleaning shovel 433 is provided with a feed inlet on the side facing the front end of the crawler walking trolley 1, and a shovel plate structure 431 is provided on the bottom end of the cleaning shovel 433 corresponding to the feed inlet; the cleaning shovel 433 is provided with a discharge port 435 on the side away from the feed inlet, and the discharge port 435 is connected to one end of a hose, the other end of the hose is fixed to the rear end of the crawler walking trolley 1, and the hose is provided with a discharge port on the side facing the rear end of the crawler walking trolley 1.

[0046] The cutting and discharging assembly includes a cleaning rod 436 which is vertically rotated and arranged inside the cleaning shovel 433, a discharging blade 437 which is arranged in the middle of the cleaning rod 436, and cutting blades 432 which are arranged at both ends of the cleaning rod 436. The discharging blade 437 is a plate-shaped blade, and the cutting blade 432 is a spiral blade, and the spiral blade faces the discharging blade 437 to feed the material, and the discharging blade 437 is aligned with the discharge port 435; the cleaning rod 436 is fixedly connected to the cutting and discharging motor 434 which is fixed on the outer wall of the cleaning shovel 433. Through the above structure, when the cleaning shovel 433 moves under the action of the three-axis displacement platform 41, the large piece of surface layer which has been cut is shoveled into the inside of the cleaning shovel 433. At this time, the large piece of surface layer is cut into small pieces by the cutting blade 432, and then moves to the discharging blade 437 in the middle position, and then the small piece of surface layer is transported to the discharge port 435 by the discharging blade 437, and then discharged to a position far away from the collection point with the help of a hose.

[0047] The drilling soil sampling mechanism 3 includes a mounting cylinder 33 fixed to the top end of the vehicle chassis, a multi-stage telescopic cylinder 31 fixed to the top end of the mounting cylinder 33, and a spiral drilling sampling assembly arranged at the bottom output end of the multi-stage telescopic cylinder 31. The spiral drilling sampling assembly includes a drilling drive motor 34 fixedly connected to the bottom end of the multi-stage telescopic cylinder 31, a conveying pipe 35 fixedly connected to the motor body of the drilling drive motor 34, and a spiral conveyor rod 36 connected to the motor shaft of the drilling drive motor 34. The top end of the spiral conveyor rod 36 is arranged inside the conveying pipe 35, and there is a material conveying gap between the spiral conveyor rod 36 and the inner wall of the conveying pipe 35. The bottom end of the spiral conveyor rod 36 passes through the conveying pipe 35, and the end of the spiral conveyor rod 36 passing through the conveying pipe 35 is arranged in a conical head structure; the top end of the conveying pipe 35 is communicated with a storage box 32 detachably arranged on the outer wall of the mounting cylinder 33 through a material conveying channel

[0048] Spiral blades are fixed on the outer wall of the spiral conveyor rod 36. The outer edge of the spiral blade is provided with a blade for cutting soil to facilitate sampling.

[0049] It should be noted that the above-mentioned electronic components are all mature products on the market. In this embodiment, only after purchasing them, they can be connected according to the instruction manual without any improvement. Therefore, the circuit connection structure and principle will not be elaborated here

[0050] A method for using a soil sample collection device includes the following steps:

[0051] S1. The crawler-type walking vehicle 1 travels under the navigation of the GPS 22 until it reaches the preset position coordinates, that is, it reaches the sampling point;

[0052] S2. Use the video data transmitted in real time by the remote camera 21 to judge the surface condition of the sampling point, that is, judge whether the surface is frozen soil or covered with vegetation. If the surface is shown to be frozen soil, execute step S3; otherwise, execute step S4;

[0053] S3. Open the three-axis platform until the surface cutting unit 42 and the surface cleaning unit 43 are driven to extend into the surface layer. Open the opening and closing drive cylinder 423 to drive the opening and closing rod 424 to rotate downward and further insert into the surface layer. At this time, the bottom end of the cutter head 426 is lower than the bottom end of the cleaning shovel 433 to avoid damage to the cleaning shovel 433. Then close the opening and closing drive cylinder 423, and open the cutting drive motor 425 and the cutting and discharging motor 434 to drive the cutter head 426 and the cleaning rod 436 to rotate respectively. During this process, use the three-axis platform to drive the surface cutting unit 42 and the surface cleaning unit 43 to move horizontally, so that the surface layer can be cut by the cutter head 426, and the cut surface layer blocks can be cut again by the cleaning shovel 433, and finally discharged through the hose until the surface layer cleaning is completed. The surface cutting unit 42 and the surface cleaning unit 43 are reset, which will not interfere with sampling and does not affect the sampling path;

[0054] S4. The multi-stage telescopic cylinder 31 drives the screw drilling and sampling assembly to extend, and the drilling drive motor 34 drives the screw conveyor rod 36 to rotate, cutting the soil layer with the screw conveyor rod 36 and transporting the soil sample to the storage box for storage;

[0055] S5. Return, and the scientific research personnel remove the storage box 32 and take out the soil sample.

[0056] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention and are not intended to limit them. Although the present invention has been described in detail with reference to the preferred embodiments, those of ordinary skill in the art should understand that they can still modify or equivalently replace the technical solutions of the present invention, and these modifications or equivalent replacements cannot make the modified technical solutions deviate from the spirit and scope of the technical solutions of the present invention.

Claims

1. A soil sample collection device, characterized in that: It includes a crawler-type traveling vehicle and a positioning monitoring mechanism, a mobile surface layer processing mechanism and a drilling-type soil sampling mechanism arranged on the crawler-type traveling vehicle, wherein the positioning monitoring mechanism is used for positioning the crawler-type traveling vehicle and performing video monitoring; the mobile surface layer processing mechanism is used for removing the covering surface layer of the sampling point before sampling; the drilling-type soil sampling mechanism is used for drilling soil samples and storing them; the positioning monitoring mechanism, the mobile surface layer processing mechanism and the drilling-type soil sampling mechanism all communicate with the remote control terminal.

2. A soil sample collection device according to claim 1, characterized in that: The crawler-type walking vehicle comprises a chassis and crawler drive units arranged on both sides of the chassis; The positioning monitoring mechanism includes a GPS arranged at the top of the vehicle chassis and a remote camera arranged at the front end of the vehicle chassis. Both the GPS and the remote camera communicate with a remote control terminal, and the remote control terminal communicates with the crawler-type walking vehicle.

3. A soil sample collection device according to claim 2, characterized in that: The bottom end of the chassis is provided with a mounting groove; The mobile surface processing mechanism includes a three-axis displacement platform arranged inside the accommodating installation groove, a surface cutting unit and a surface cleaning unit arranged at the output end at the bottom of the three-axis displacement platform, and the surface cutting unit and the surface cleaning unit are arranged in sequence from front to back along the crawler walking vehicle.

4. A soil sample collection device according to claim 3, characterized in that: The surface cutting unit includes a cantilever rod with one end fixed to the output end of the bottom of the three-axis displacement platform and an opening and closing cutter assembly fixed to the other end of the cantilever rod. The opening and closing cutter assembly includes a mounting plate fixed to the cantilever rod, an opening and closing drive cylinder fixed to the mounting plate, and an opening and closing rod with one end vertically rotated on the mounting plate via a rotating shaft. The other end of the opening and closing rod is connected to the cutter disc via a cutting drive motor, and the end of the opening and closing rod close to the rotating shaft is also vertically connected to the output end of the opening and closing drive cylinder.

5. A soil sample collection device according to claim 4, characterized in that: The surface cleaning unit includes a cleaning shovel fixed to the output end at the bottom of the three-axis displacement platform, a cutting and discharging assembly vertically and actively arranged inside the cleaning shovel, and a cutting and discharging motor for driving the cutting and discharging assembly. A feeding port is provided on one side of the cleaning shovel facing the front end of the crawler-type walking trolley, and a shovel plate structure is provided at the bottom end of the cleaning shovel corresponding to the feeding port. A discharge port is arranged on the side of the cleaning shovel away from the feed port, one end of a hose is connected to the discharge port, the other end of the hose is fixed to the rear end of the crawler trolley, and a discharge port is arranged on the side of the hose facing the rear end of the crawler trolley.

6. A soil sample collection device according to claim 5, characterized in that: The cutting and discharging assembly includes a cleaning rod that is vertically rotated and arranged inside the cleaning shovel, a discharging blade arranged in the middle of the cleaning rod, and cutting blades arranged at both ends of the cleaning rod. The discharging blade is a plate-shaped blade, and the cutting blade is a spiral blade. The spiral blade faces the discharging blade to feed the material, and the discharging blade is aligned with the discharge port. The cleaning stick is fixedly connected to a cutting and discharging motor which is fixed on the outer wall of the cleaning shovel.

7. A soil sample collection device according to claim 6, characterized in that: The drilling type soil sampling mechanism comprises a mounting tube fixed to the top of the chassis, a multi-stage telescopic cylinder fixed to the top of the mounting tube, and a spiral drilling sampling assembly arranged at the output end of the bottom of the multi-stage telescopic cylinder. The spiral drilling sampling assembly comprises a drilling drive motor fixedly connected to the bottom end of the multi-stage telescopic cylinder, a delivery pipe fixedly connected to the motor body of the drilling drive motor, and a spiral delivery rod connected to the motor shaft of the drilling drive motor. The top end of the spiral delivery rod is arranged inside the delivery pipe, and a material transfer gap is left between the spiral delivery rod and the inner wall of the delivery pipe. The bottom end of the spiral delivery rod passes through the delivery pipe, and one end of the spiral delivery rod passing through the delivery pipe is arranged to be a conical head structure. The top end of the delivery pipe is connected to a material storage box detachably arranged on the outer wall of the installation cylinder through a material delivery channel. A spiral blade is fixed on the outer wall of the spiral conveying rod.

8. A soil sample collection device according to claim 7, characterized in that: The outer edge of the spiral blade is provided with a blade.

9. The method for using the soil sample collection device according to claim 8, characterized in that: The following steps are involved: S1. The crawler-type walking vehicle moves under GPS navigation until it reaches the preset position coordinates, that is, reaches the sampling point; S2, using the video data sent back in real time by the remote camera to determine the surface conditions of the sampling point, that is, to determine whether the surface is frozen soil or covered with vegetation. If the surface is frozen soil, execute step S3; otherwise, execute step S4; S3, open the three-axis platform until the surface cutting unit and the surface cleaning unit are driven to extend into the surface, open the opening and closing drive cylinder to drive the opening and closing rod to rotate downward and further insert into the surface. At this time, the bottom end of the knife disc is lower than the bottom end of the cleaning shovel to avoid damage to the cleaning shovel, and then close the opening and closing drive cylinder, and turn on the cutting drive motor and the cutting discharge motor to drive the knife disc and the cleaning rod to rotate respectively. In this process, the three-axis platform is used to drive the surface cutting unit and the surface cleaning unit to move horizontally, so that the surface can be cut with the help of the knife disc, and then the surface cut into blocks can be cut again with the cleaning shovel, and finally discharged through the hose until the surface cleaning is completed, and the surface cutting unit and the surface cleaning unit are reset, which will inevitably interfere with sampling; S4, the multi-stage telescopic cylinder drives the spiral drilling sampling assembly to extend, and uses the drilling drive motor to drive the spiral conveying rod to rotate, and uses the spiral conveying rod to cut the soil layer and convey the soil sample to the storage box for storage; S5. Return, the researchers removed the storage box and took out the soil samples.

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