Portable soil stratified sampler

The portable soil stratification sampler addresses the challenge of accurate soil sampling and labor-intensive cleaning by incorporating hydraulic depth control, flexible sampling, and automated cleaning mechanisms, enhancing sampling efficiency and quality.

CN222280174UActive Publication Date: 2024-12-31段兴凤
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Patent Information

Application Number
CN202420592028.8
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-03-26
Publication Date
2024-12-31
Estimated Expiration
2034-03-26

AI Technical Summary

Technical Problem

Existing portable soil stratification samplers are inconvenient for accurately sampling soil at specific depth layers and require labor-intensive manual cleaning after use.

Method used

A portable soil stratification sampler with a hydraulic cylinder for precise depth control, opening and closing control mechanism for flexible sampling, turning mechanism for easy cleaning, positioning mechanisms for stability, and a cleaning mechanism for automated residue removal.

Benefits of technology

Enables accurate and efficient soil sampling at different depths with improved cleaning efficiency, ensuring high-quality samples for analysis and reducing manual labor.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model provides a portable soil stratified sampler. The portable soil stratified sampler comprises: a bottom plate; the frame is fixedly mounted at the top of the bottom plate; the hydraulic cylinder is fixedly mounted on the frame; the U-shaped seat is fixedly mounted on an output rod of the hydraulic cylinder; the opening and closing control mechanism is arranged on the U-shaped seat, and the opening and closing control mechanism is used for controlling the opening and closing of the two semicircular sampling pipes; the two turn-over mechanisms are both arranged on the opening and closing control mechanism, and the two turn-over mechanisms are used for controlling the two semicircular sampling pipes to turn over. The portable soil stratified sampler provided by the utility model has the advantages of being convenient to more accurately sample the soil of the soil layer with the corresponding depth, more convenient to clean and stronger in practicability.
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Description

Technical Field

[0001] The utility model relates to the technical field of soil sampling, in particular to a portable soil stratification sampler. Background Art

[0002] The portable soil stratification sampler is a tool designed for soil analysis. It can quickly and accurately obtain soil samples at different depths, providing important data support for research in the fields of agriculture and environment. The soil stratification sampler is required in the process of soil stratification sampling.

[0003] Although the existing soil stratification sampler can sample the soil, it is not convenient to accurately sample the soil of the corresponding depth layer. After use, the existing portable soil stratification sampler often requires staff to manually clean the residual soil on the sampling mechanism, which is time-consuming and labor-intensive.

[0004] Therefore, it is necessary to provide a portable soil stratification sampler to solve the above-mentioned technical problems. Utility Model Content

[0005] In order to solve the technical problems that the existing portable soil stratification sampler is not convenient for accurately sampling the soil of the corresponding depth layer and is inconvenient for cleaning, the utility model provides a portable soil stratification sampler.

[0006] The portable soil stratification sampler provided by the utility model comprises: a bottom plate; a frame, wherein the frame is fixedly mounted on the top of the bottom plate; a hydraulic cylinder, wherein the hydraulic cylinder is fixedly mounted on the frame; a U-shaped seat, wherein the U-shaped seat is fixedly mounted on the output rod of the hydraulic cylinder; an opening and closing control mechanism, wherein the opening and closing control mechanism is arranged on the U-shaped seat, and wherein the opening and closing control mechanism is used to control the opening and closing of two semicircular sampling tubes; two turning mechanisms, wherein the two turning mechanisms are both arranged on the opening and closing control mechanism, and wherein the two turning mechanisms are used to control the turning of the two semicircular sampling tubes; a soil sampling mechanism, wherein the soil sampling mechanism is arranged on the two turning mechanisms, and wherein the soil sampling mechanism is used to sample the soil; a plurality of positioning mechanisms, wherein the plurality of positioning mechanisms are all arranged on the frame, and wherein the plurality of positioning mechanisms are used to fix the portable soil stratification sampler on the ground; and a cleaning mechanism, wherein the cleaning mechanism is arranged on the bottom plate, and wherein the cleaning mechanism is used to clean the two semicircular sampling tubes.

[0007] Preferably, the opening and closing control mechanism includes a dual-axis motor, two screws, a plurality of limit rods and two L-shaped sliding plates, the dual-axis motor is fixedly mounted on the inner wall of the U-shaped seat, the two screws are respectively fixedly mounted on the two ends of the dual-axis motor output shaft, the two screws are both rotatably connected to the inner wall of the U-shaped seat, the plurality of limit rods are all fixedly mounted on the inner wall of the U-shaped seat, the two L-shaped sliding plates are respectively threadedly mounted on the two screws, and the two L-shaped sliding plates are both slidably connected to the plurality of limit rods.

[0008] Preferably, the flipping mechanism includes a connecting shaft, an L-shaped connecting plate and a stepper motor, the connecting shaft is rotatably mounted on the L-shaped sliding plate, the L-shaped connecting plate is fixedly mounted on the bottom end of the connecting shaft, the stepper motor is fixedly mounted on the L-shaped connecting plate, and the output shaft of the stepper motor is fixedly connected to the connecting shaft.

[0009] Preferably, the soil sampling mechanism comprises two semicircular sampling tubes and two scale lines, the two semicircular sampling tubes are respectively fixedly mounted on the two L-shaped connecting plates, and the two scale lines are respectively arranged on the two semicircular sampling tubes.

[0010] Preferably, the positioning mechanism includes an electric cylinder, an L-shaped mounting plate, a conical screw rod, a driving motor, a driving gear and a driven gear, the electric cylinder is fixedly mounted on the frame, the L-shaped mounting plate is fixedly mounted on the output rod of the electric cylinder, the conical screw rod is rotatably mounted on the L-shaped mounting plate, the driving motor is fixedly mounted on the L-shaped mounting plate, the driving gear is fixedly sleeved on the output shaft of the driving motor, the driven gear is fixedly sleeved on the conical screw rod, and the driving gear is meshed with the driven gear.

[0011] Preferably, the cleaning mechanism includes an annular tube, multiple nozzles, a booster pump, a water pipe and a water inlet pipe, the annular tube is fixedly installed on the top of the base plate, the multiple nozzles are arranged on the inner wall of the annular tube, the booster pump is fixedly installed on one side of the frame, the water pipe is arranged at the water inlet end of the booster pump, the water pipe is connected to the annular tube, and the water inlet pipe is arranged at the water inlet end of the booster pump.

[0012] Preferably, a controller is provided on the top of the frame, and the controller is electrically connected to the dual-axis motor, two stepper motors, a plurality of electric cylinders, a plurality of drive motors and a booster pump.

[0013] Preferably, a movable handle is provided on the top of the frame, and a circular opening and a plurality of avoidance openings are provided on the bottom plate.

[0014] Compared with the related art, the portable soil stratification sampler provided by the utility model has the following beneficial effects:

[0015] The utility model provides a portable soil stratification sampler, wherein the bottom plate serves as a stable foundation for the entire sampler, and the frame is used to support and fix other components. The hydraulic cylinder drives the U-shaped seat to perform lifting movement through the extension and contraction of its output rod, thereby controlling the lifting and lowering of the sampling tube. Through the precise control of the hydraulic cylinder, the sampling tube can be accurately positioned at different depths, thereby improving the sampling accuracy and efficiency. The opening and closing control mechanism is responsible for controlling the opening and closing of the two semicircular sampling tubes, so that they can be easily opened or closed, thereby facilitating the sampling and collection of soil samples. The introduction of the opening and closing control mechanism makes the sampling process more flexible and convenient, thereby improving the sampling efficiency. The turning mechanism is used to control the turning over of the two semicircular sampling tubes, which is convenient for the cleaning mechanism to clean the two semicircular sampling tubes. The outer wall and inner wall of the soil sampling tube are cleaned. The soil sampling mechanism is responsible for the actual soil sampling work. The soil samples at different depths are obtained by inserting the sampling tube into the soil. The design of the soil sampling mechanism makes the sampling process more accurate and efficient, and provides high-quality samples for subsequent soil analysis. Multiple positioning mechanisms are used to stably fix the sampler on the ground to prevent it from moving or tilting during the sampling process. The setting of the positioning mechanism ensures the stability of the sampling process and improves the accuracy of sampling. The cleaning mechanism is responsible for cleaning the sampling tube and removing the soil residue attached to the sampling tube to ensure the cleanliness of the sampling tube and the accuracy of the next use. The introduction of the cleaning mechanism simplifies the cleaning work after sampling and improves the use efficiency of the sampler.

[0016] To sum up, the portable soil stratified sampler in this embodiment realizes efficient and accurate stratified sampling of soil through ingenious mechanical design, and has a cleaning function, which provides great convenience for soil analysis. Its stable structure, easy operation and complete functions make the sampler have broad application prospects in agriculture, environment and other fields. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 A schematic diagram of the structure of a preferred embodiment of the portable soil stratification sampler provided by the utility model;

[0018] Figure 2 for Figure 1 Schematic diagram of the three-dimensional assembly structure of the soil sampling mechanism;

[0019] Figure 3 for Figure 1 An enlarged schematic diagram of part A shown in FIG.

[0020] Figure 4 for Figure 1 An enlarged schematic diagram of part B is shown in FIG.

[0021] Numbers in the figure: 1. Base plate; 2. Frame; 3. Hydraulic cylinder; 4. U-shaped seat; 5. Dual-axis motor; 6. Screw; 7. Limit rod; 8. L-shaped sliding plate; 9. Connecting shaft; 10. L-shaped connecting plate; 11. Stepper motor; 12. Semicircular sampling tube; 13. Scale line; 14. Electric cylinder; 15. L-shaped mounting plate; 16. Conical screw rod; 17. Driving motor; 18. Driving gear; 19. Driven gear; 20. Ring tube; 21. Nozzle; 22. Booster pump; 23. Water pipe; 24. Water inlet pipe; 25. Controller. DETAILED DESCRIPTION

[0022] The utility model is further described below in conjunction with the accompanying drawings and implementation modes.

[0023] Please refer to Figure 1-4 ,in, Figure 1 A schematic diagram of the structure of a preferred embodiment of the portable soil stratification sampler provided by the utility model; Figure 2 for Figure 1 Schematic diagram of the three-dimensional assembly structure of the soil sampling mechanism; Figure 3 for Figure 1 An enlarged schematic diagram of part A shown in FIG.

[0024] Figure 4 for Figure 1The enlarged schematic diagram of part B shown in the figure. The portable soil stratified sampler includes: a base plate 1; a frame 2, the frame 2 is fixedly mounted on the top of the base plate 1; a hydraulic cylinder 3, the hydraulic cylinder 3 is fixedly mounted on the frame 2; a U-shaped seat 4, the U-shaped seat 4 is fixedly mounted on the output rod of the hydraulic cylinder 3; an opening and closing control mechanism, the opening and closing control mechanism is arranged on the U-shaped seat 4, and the opening and closing control mechanism is used to control the opening and closing of two semicircular sampling tubes 12; two flipping mechanisms, both of which are arranged on the opening and closing control mechanism, and the two flipping mechanisms are used to control the flipping of the two semicircular sampling tubes 12; soil sampling mechanism , the soil sampling mechanism is arranged on the two turning mechanisms, and the soil sampling mechanism is used to sample the soil; multiple positioning mechanisms, multiple positioning mechanisms are arranged on the frame 2, and multiple positioning mechanisms are used to fix the portable soil stratified sampler on the ground; a cleaning mechanism, the cleaning mechanism is arranged on the bottom plate 1, and the cleaning mechanism is used to clean the two semicircular sampling tubes 12. The bottom plate serves as a stable foundation for the entire sampler, and the frame is used to support and fix other components. The hydraulic cylinder drives the U-shaped seat to move up and down through the extension and contraction of its output rod, thereby controlling the lifting and lowering of the sampling tube The invention discloses a method for reducing the soil sample by reducing the soil sample. The method comprises the following steps: first, reducing the soil sample and the soil sample are placed in a certain depth. The method comprises the following steps: first, reducing the soil sample and the soil sample are placed in a certain depth. The method comprises the following steps: first, reducing the soil sample and the soil sample are placed in a certain depth. The method comprises the following steps: a. reducing the soil sample and the soil sample are placed in a certain depth. The method comprises the following steps: first, reducing the soil sample and the soil sample are placed in a certain depth. The method comprises the following steps:

[0025] The opening and closing control mechanism includes a dual-axis motor 5, two screws 6, multiple limit rods 7 and two L-shaped sliding plates 8. The dual-axis motor 5 is fixedly mounted on the inner wall of the U-shaped seat 4. The two screws 6 are respectively fixedly mounted on the two ends of the output shaft of the dual-axis motor 5. The two screws 6 are both rotatably connected to the inner wall of the U-shaped seat 4. The multiple limit rods 7 are all fixedly mounted on the inner wall of the U-shaped seat 4. The two L-shaped sliding plates 8 are respectively threadedly sleeved on the two screws 6. The two L-shaped sliding plates 8 are both slidably connected to the multiple limit rods 7. The dual-axis motor 5 drives the two screws 6 to rotate. The rotation of the two screws 6 drives the two L-shaped sliding plates 8 to move away from each other. The two L-shaped sliding plates 8 indirectly drive the two semicircular sampling tubes 12 to move closer to or away from each other, thereby controlling the opening and closing of the two semicircular sampling tubes 12.

[0026] The flipping mechanism includes a connecting shaft 9, an L-shaped connecting plate 10 and a stepper motor 11. The connecting shaft 9 is rotatably mounted on the L-shaped sliding plate 8. The L-shaped connecting plate 10 is fixedly mounted on the bottom end of the connecting shaft 9. The stepper motor 11 is fixedly mounted on the L-shaped connecting plate 10. The output shaft of the stepper motor 11 is fixedly connected to the connecting shaft 9. The two stepper motors 11, the two connecting shafts 9 and the two L-shaped connecting plates 10 drive the two semicircular sampling tubes 12 to rotate, thereby controlling the flipping of the two semicircular sampling tubes 12, thereby facilitating the cleaning mechanism to flush the inner walls of the two semicircular sampling tubes 12.

[0027] The soil sampling mechanism includes two semicircular sampling tubes 12 and two scale lines 13. The two semicircular sampling tubes 12 are fixedly mounted on the two L-shaped connecting plates 10, respectively. The two scale lines 13 are respectively arranged on the two semicircular sampling tubes 12. The two semicircular sampling tubes 12 and the two scale lines 13 can facilitate stratified sampling of the soil.

[0028] The positioning mechanism includes an electric cylinder 14, an L-shaped mounting plate 15, a conical screw rod 16, a driving motor 17, a driving gear 18 and a driven gear 19. The electric cylinder 14 is fixedly mounted on the frame 2, the L-shaped mounting plate 15 is fixedly mounted on the output rod of the electric cylinder 14, the conical screw rod 16 is rotatably mounted on the L-shaped mounting plate 15, the driving motor 17 is fixedly mounted on the L-shaped mounting plate 15, the driving gear 18 is fixedly sleeved on the output shaft of the driving motor 17, the driven gear 19 is fixedly sleeved on the conical screw rod 16, the driving gear 18 is meshed with the driven gear 19, and the conical screw rods 16 are driven downward by the multiple electric cylinders 14, and the multiple driving motors 17 are started. The multiple driving motors 17 drive the multiple driving gears 18 and the multiple driven gears 19 to drive the multiple conical screw rods 16 to rotate, so that the multiple conical screw rods 16 are drilled into the ground, and then the device is relatively firmly installed on the ground.

[0029] The cleaning mechanism includes an annular tube 20, multiple nozzles 21, a booster pump 22, a water pipe 23 and a water inlet pipe 24. The annular tube 20 is fixedly installed on the top of the base plate 1. The multiple nozzles 21 are all arranged on the inner wall of the annular tube 20. The booster pump 22 is fixedly installed on one side of the frame 2. The water pipe 23 is arranged at the water inlet end of the booster pump 22. The water pipe 23 is connected to the annular tube 20. The water inlet pipe 24 is arranged at the water inlet end of the booster pump 22. Water is pressurized by the booster pump 22 and injected into the annular tube 20 through the water pipe 23. Water is sprayed toward the outer walls of the two semicircular sampling tubes 12 through the multiple nozzles 21, so as to clean the inner and outer walls of the two semicircular sampling tubes 12.

[0030] A controller 25 is provided on the top of the frame 2 , and the controller 25 is electrically connected to the dual-axis motor 5 , two stepper motors 11 , multiple electric cylinders 14 , multiple drive motors 17 and the booster pump 22 . The device can be operated and controlled by the controller 25 .

[0031] A movable handle is provided on the top of the frame 2, and a circular opening and a plurality of avoidance openings are provided on the bottom plate 1. The movable handle can make the device more convenient to carry, the circular opening can be used to avoid two semicircular sampling tubes 12, and the plurality of avoidance openings can be used to avoid a plurality of conical spiral rods 16.

[0032] The working principle of the portable soil stratification sampler provided by the utility model is as follows:

[0033] When in use, the device is placed at the sampling position, multiple electric cylinders 14 are started, multiple electric cylinders 14 drive multiple conical screw rods 16 to move downward, multiple driving motors 17 are started, multiple driving motors 17 drive multiple driving gears 18 and multiple driven gears 19 to drive multiple conical screw rods 16 to rotate, so that multiple conical screw rods 16 drill into the ground, and then the device is more firmly installed on the ground, and the hydraulic cylinder 3 is started, and the hydraulic cylinder 3 indirectly drives the two semicircular sampling tubes 12 to move downward, so that the two semicircular sampling tubes 12 are inserted into the soil, and the soil enters between the two semicircular sampling tubes 12, and the two semicircular sampling tubes 12 are inserted into the soil. The scale lines 13 on the sample tube 12 can be used to judge the depth of insertion into the soil. The two semicircular sampling tubes 12 are pulled out of the soil by controlling the contraction of the output rod of the hydraulic cylinder 3, and the dual-axis motor 5 is started. The dual-axis motor 5 drives the two screws 6 to rotate. The rotation of the two screws 6 drives the two L-shaped sliding plates 8 to move away from each other. The two L-shaped sliding plates 8 indirectly drive the two semicircular sampling tubes 12 to move away from each other, thereby opening the two semicircular sampling tubes 12. Then, the soil between the two semicircular sampling tubes 12 can be sampled according to the scale lines 13 on the two semicircular sampling tubes 12, thereby more accurately sampling the soil of the target depth soil layer;

[0034] After the sampling is completed, the multiple driving motors 17 rotate in the opposite direction and the output rods of the multiple electric cylinders 14 contract to make the multiple conical spiral rods 16 rotate in the opposite direction and move upward, so that the multiple conical spiral rods 16 are separated from the ground, the device is laid down, the water inlet pipe 24 is connected to the tap water pipe, and water enters the booster pump 22 through the water inlet pipe 24, the water is pressurized by the booster pump 22 and injected into the annular tube 20 through the water guide pipe 23, and the water is sprayed to the outer walls of the two semicircular sampling tubes 12 through the multiple nozzles 21, and the two semicircular sampling tubes 12 are controlled to move horizontally by the hydraulic cylinder 3, so as to wash the outer walls of the two semicircular sampling tubes 12, and after completion, the two stepper motors 11 are started, and the two stepper motors 11 drive the two semicircular sampling tubes 12 to rotate through the two connecting shafts 9 and the two L-shaped connecting plates 10, so as to control the two semicircular sampling tubes 12 to turn over, so as to facilitate the cleaning mechanism to wash the inner walls of the two semicircular sampling tubes 12.

[0035] Compared with the related art, the portable soil stratification sampler provided by the utility model has the following beneficial effects:

[0036] The utility model provides a portable soil stratification sampler, wherein the bottom plate serves as a stable foundation for the entire sampler, and the frame is used to support and fix other components. The hydraulic cylinder drives the U-shaped seat to perform lifting movement through the extension and contraction of its output rod, thereby controlling the lifting and lowering of the sampling tube. Through the precise control of the hydraulic cylinder, the sampling tube can be accurately positioned at different depths, thereby improving the sampling accuracy and efficiency. The opening and closing control mechanism is responsible for controlling the opening and closing of the two semicircular sampling tubes 12, so that they can be easily opened or closed, thereby facilitating the sampling and collection of soil samples. The introduction of the opening and closing control mechanism makes the sampling process more flexible and convenient, thereby improving the sampling efficiency. The turning mechanism is used to control the turning of the two semicircular sampling tubes 12, which is convenient for the cleaning mechanism to clean the two semicircular sampling tubes. The outer wall and the inner wall of the tube 12 are cleaned, and the soil sampling mechanism is responsible for the actual soil sampling work. The soil samples of different depths are obtained by inserting the sampling tube into the soil. The design of the soil sampling mechanism makes the sampling process more accurate and efficient, and provides high-quality samples for subsequent soil analysis. Multiple positioning mechanisms are used to stably fix the sampler on the ground to prevent it from moving or tilting during the sampling process. The setting of the positioning mechanism ensures the stability of the sampling process and improves the accuracy of sampling. The cleaning mechanism is responsible for cleaning the sampling tube and removing the soil residue attached to the sampling tube to ensure the cleanliness of the sampling tube and the accuracy of the next use. The introduction of the cleaning mechanism simplifies the cleaning work after sampling and improves the use efficiency of the sampler.

[0037] To sum up, the portable soil stratified sampler in this embodiment realizes efficient and accurate stratified sampling of soil through ingenious mechanical design, and has a cleaning function, which provides great convenience for soil analysis. Its stable structure, easy operation and complete functions make the sampler have broad application prospects in agriculture, environment and other fields.

[0038] The above description is only an embodiment of the present invention, and does not limit the patent scope of the present invention. Any equivalent structure or equivalent process transformation made by using the contents of the specification and drawings of the present invention, or directly or indirectly applied in other related technical fields, are also included in the patent protection scope of the present invention.

Claims

1. A portable soil stratification sampler, characterized in that: include: Base plate; A frame, the frame being fixedly mounted on the top of the base plate; A hydraulic cylinder, wherein the hydraulic cylinder is fixedly mounted on the frame; A U-shaped seat, the U-shaped seat is fixedly mounted on the output rod of the hydraulic cylinder; An opening and closing control mechanism, which is arranged on the U-shaped seat and is used to control the opening and closing of two semicircular sampling tubes; Two turning mechanisms, both of which are arranged on the opening and closing control mechanism, and are used to control the turning of two semicircular sampling tubes; A soil sampling mechanism, which is arranged on the two turning mechanisms and is used to sample soil; A plurality of positioning mechanisms, each of which is arranged on the frame and is used to fix the portable soil stratification sampler on the ground; A cleaning mechanism is arranged on the bottom plate and is used for cleaning two semicircular sampling tubes.

2. The portable soil stratification sampler according to claim 1, characterized in that: The opening and closing control mechanism includes a dual-axis motor, two screws, multiple limit rods and two L-shaped sliding plates. The dual-axis motor is fixedly mounted on the inner wall of the U-shaped seat. The two screws are respectively fixedly mounted on the two ends of the dual-axis motor output shaft. The two screws are both rotatably connected to the inner wall of the U-shaped seat. The multiple limit rods are all fixedly mounted on the inner wall of the U-shaped seat. The two L-shaped sliding plates are respectively threadedly mounted on the two screws. The two L-shaped sliding plates are both slidably connected to the multiple limit rods.

3. The portable soil stratification sampler according to claim 2, characterized in that: The flipping mechanism includes a connecting shaft, an L-shaped connecting plate and a stepper motor. The connecting shaft is rotatably mounted on the L-shaped sliding plate, the L-shaped connecting plate is fixedly mounted on the bottom end of the connecting shaft, the stepper motor is fixedly mounted on the L-shaped connecting plate, and the output shaft of the stepper motor is fixedly connected to the connecting shaft.

4. The portable soil stratification sampler according to claim 3, characterized in that: The soil sampling mechanism comprises two semicircular sampling tubes and two scale lines. The two semicircular sampling tubes are respectively fixedly mounted on the two L-shaped connecting plates, and the two scale lines are respectively arranged on the two semicircular sampling tubes.

5. The portable soil stratification sampler according to claim 3, characterized in that: The positioning mechanism includes an electric cylinder, an L-shaped mounting plate, a tapered spiral rod, a driving motor, a driving gear and a driven gear. The electric cylinder is fixedly mounted on the frame, the L-shaped mounting plate is fixedly mounted on the output rod of the electric cylinder, the tapered spiral rod is rotatably mounted on the L-shaped mounting plate, the driving motor is fixedly mounted on the L-shaped mounting plate, the driving gear is fixedly sleeved on the output shaft of the driving motor, the driven gear is fixedly sleeved on the tapered spiral rod, and the driving gear is meshed with the driven gear.

6. The portable soil stratification sampler according to claim 5, characterized in that: The cleaning mechanism includes an annular tube, multiple nozzles, a booster pump, a water guide pipe and a water inlet pipe. The annular tube is fixedly installed on the top of the base plate, and the multiple nozzles are arranged on the inner wall of the annular tube. The booster pump is fixedly installed on one side of the frame, and the water guide pipe is arranged at the water inlet end of the booster pump. The water guide pipe is connected to the annular tube, and the water inlet pipe is arranged at the water inlet end of the booster pump.

7. The portable soil stratification sampler according to claim 6, characterized in that: A controller is arranged on the top of the frame, and the controller is electrically connected with the dual-axis motor, two stepper motors, a plurality of electric cylinders, a plurality of drive motors and a booster pump.

8. The portable soil stratification sampler according to claim 1, characterized in that: A movable handle is arranged on the top of the frame, and a circular opening and a plurality of avoidance openings are arranged on the bottom plate.