Portable sampling device for soil investigation and classification

Abstract

The invention discloses a portable sampling device for soil investigation and classification, and relates to the technical field of soil detection.According to the technical scheme, the portable sampling device comprises a device shell, a classification mechanism is arranged at the upper end of the device shell, four air cylinders are fixedly connected to the bottom of the classification mechanism, and the air cylinders can be driven to rotate through the classification mechanism; according to the device, the four sampling shells are arranged in the device shell, the four sampling mechanisms can be driven to rotate through the classification mechanism, the different sampling mechanisms are rotated to the sampling ports, and the sampling mechanisms can be separated from the sampling ports, so that the sampling efficiency is improved, and the sampling efficiency is improved. According to the soil sampling device, soil in different areas can be continuously sampled and classified, the sampling effect of the device is effectively improved, in the sampling process, it can be guaranteed that soil cannot enter the soil breaking drill bit through the limiting mechanism when the soil breaking drill bit breaks soil, and therefore the sampling mechanism cannot make contact with other soil before reaching the target depth.

Description

Technical Field

[0001] The invention relates to the technical field of soil detection, and in particular to a portable sampling device for soil investigation and classification. Background Art

[0002] Portable soil sampling devices are efficient and convenient tools widely used in soil surveys and classification. The devices are usually made of lightweight materials, which are easy to transport and use in field environments. They are designed to help researchers quickly obtain soil samples for subsequent analysis. In practical applications, these devices can be used in agriculture, environmental monitoring, scientific research and other fields. By analyzing the chemical and physical properties of the collected soil samples, researchers can effectively evaluate the soil quality, structure and suitability, thereby providing a scientific basis for decisions such as land use planning, crop growth and environmental protection. With the development of technology, the accuracy and efficiency of portable soil sampling devices have been continuously improved, becoming an indispensable tool for soil research.

[0003] After searching, the invention patent of Chinese patent number CN114112493B discloses a portable sampling device for soil survey, including a fixed base, two corresponding adjustment support frames are fixedly installed on the top of the fixed base, a mounting frame is fixedly installed above the two adjustment support frames, a drilling rig for collecting soil is arranged inside the mounting frame, the position of the corresponding drilling rig of the fixed base is a hollow structure, and mounting holes are opened on the outer wall surfaces on both sides of the rear end, the two mounting holes are connected to the interior, and a connecting shaft is movably arranged between the two mounting holes. In the present invention, by providing a support frame, the rotating clamping block is re-clamped into the corresponding positioning groove, and at the same time, the elastic force of the return spring acts on the limiting ring inside the connecting block, ensuring that the support frame will not loosen during the sampling process, so that the position of the mounting frame will not be offset and vertically inserted into the soil, which plays a better supporting and positioning role. Compared with the prior art, the invention patent with Chinese patent number CN114112493B solves the problem that the existing portable sampling device cannot ensure that the sampling is in a vertical state when using the threaded rotation to enter the soil, resulting in a deviation between the obtained sample and the actual soil condition, and the existing portable sampling device is inconvenient to move during carrying.

[0004] However, in actual use of the above device, it is difficult to control the depth of the extracted soil when the device extracts soil, and soils of different depths will be mixed in the extraction chamber, reducing the effect of subsequent investigation and detection. Moreover, it is difficult for the device to continuously extract and classify soils in different areas. Therefore, a portable sampling device for soil investigation and classification is proposed. Summary of the invention

[0005] The purpose of the present invention is to solve the shortcomings of the prior art that it is difficult to control the depth of extracted soil when the device extracts soil, soils of different depths will be mixed in the extraction chamber, reducing the effect of subsequent investigation and detection, and the device is difficult to continuously extract and classify soils in different areas. A portable sampling device for soil investigation and classification is proposed.

[0006] In order to achieve the above object, the present invention adopts the following technical solutions:

[0007] A portable sampling device for soil investigation and classification comprises a device housing, a classification mechanism is arranged at the upper end of the device housing, four cylinders are fixedly connected to the bottom of the classification mechanism, and the cylinders can be driven to rotate by the classification mechanism, a sampling mechanism is arranged at the bottom of the cylinder, and a sampling shell is arranged outside the sampling mechanism, and a sampling drill arranged at the bottom can be driven to rotate and move downward at the same time by the sampling mechanism;

[0008] A sampling port is provided at the bottom of the device shell, and a ground-breaking mechanism is provided at the lower end of the sampling shell, which can drive the ground-breaking drill bit provided at the bottom to rotate. A limiting mechanism is provided inside the ground-breaking drill bit, which remains closed during the ground-breaking process and can be controlled to open during sampling.

[0009] The above technical solution further includes:

[0010] The classification mechanism comprises a classification shell threadedly connected to the upper end of the device shell, a handle is fixedly connected to the top of the classification shell, a first motor is arranged inside the classification shell, and a classification component is arranged at the output end of the first motor.

[0011] The classification component includes a first gear arranged at the output end of the first motor, the first gear is meshedly connected with a second gear, the second gear is rotationally connected to a classification shell, a connecting plate is fixedly connected to the bottom of the second gear, and four cylinders are fixedly connected to the bottom of the connecting plate.

[0012] The sampling mechanism comprises a sampling shell fixedly connected to the bottom of the cylinder, a fourth motor is arranged inside the sampling shell, and a sampling component is arranged at the output end of the fourth motor.

[0013] The sampling assembly includes a seventh gear arranged at the output end of the fourth motor, the seventh gear is threadedly connected to the eighth gear, the eighth gear is rotatably connected to the sampling shell, the eighth gear is threadedly connected to a threaded rod, a sampling drill bit is fixedly connected to the bottom of the threaded rod, the sampling drill bit is threadedly connected to a collecting chamber, a sampling window is arranged on one side of the collecting chamber, and a handle is fixedly connected to the sampling window.

[0014] The soil-breaking mechanism comprises a rotating shell body fixedly connected at the bottom, a second motor is arranged inside the rotating shell body, and a soil-breaking assembly is arranged at the output end of the second motor.

[0015] The earth-breaking assembly includes a third gear arranged at the output end of the second motor, the third gear is meshingly connected to a fourth gear, the fourth gear is rotatably connected to a rotating shell, and the fourth gear is fixedly connected to an earth-breaking drill bit at a side away from the rotating shell.

[0016] The limiting mechanism is internally rotatably connected with two limiting plates, and the limiting mechanism can drive the limiting plates to rotate to control the opening and closing of the limiting housing.

[0017] The limiting mechanism comprises a limiting shell fixedly connected to the earth-breaking drill bit, the side wall of the limiting shell is fixedly connected to two control shells, a third motor is arranged inside the control shell, and a limiting component is arranged at the output end of the third motor.

[0018] The limiting assembly includes a fifth gear arranged at the output end of the third motor, the fifth gear is meshedly connected with a sixth gear, the sixth gear is fixedly connected to a limiting plate on a side away from the fifth gear, and the limiting plate is rotatably connected to the limiting housing.

[0019] The present invention has the following beneficial effects:

[0020] 1. In the present invention, four sampling shells and sampling mechanisms are arranged inside the device shell. The classification mechanism can drive the four sampling mechanisms to rotate. By rotating different sampling mechanisms to the sampling ports, the soil in different areas can be continuously sampled and classified, which effectively improves the sampling effect of the device. In addition, during the sampling process, the limiting mechanism can be used to ensure that the soil will not enter the soil-breaking drill bit when the soil-breaking drill bit breaks the soil, so that the sampling mechanism will not contact other soil before reaching the target depth, so that the device can extract the soil at a specified depth, thereby improving the extraction effect of the device.

[0021] 2. In the present invention, after the soil-breaking mechanism sends the sampling mechanism to the specified depth, the sampling assembly inside the sampling shell can be started to drive the sampling drill bit at the bottom to rotate and move downward, so that the sampling drill bit can penetrate into the soil, and the soil sample will be embedded in the threaded groove on the sampling drill bit. It only needs to reversely run the sampling assembly to drive the sampling drill bit to return, and the soil will remain inside the collection chamber during the return process. The personnel only need to open it through the handle set on the sampling window. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 This is a schematic diagram of the structure of a portable sampling device for soil investigation and classification proposed by the present invention;

[0023] Figure 2 It is a schematic diagram of the three-dimensional structure of the present invention;

[0024] Figure 3 It is a schematic diagram of the first structure in the present invention;

[0025] Figure 4 It is a second structural schematic diagram of the present invention;

[0026] Figure 5 It is a schematic diagram of the third structure of the present invention;

[0027] Figure 6 It is a schematic diagram of the fourth structure of the present invention;

[0028] Figure 7 It is a fifth structural schematic diagram of the present invention;

[0029] Figure 8 It is a sixth structural schematic diagram of the present invention;

[0030] Fig. 9 This is the seventh structural diagram of the present invention.

[0031] In the figure: 1. device housing; 2. classification housing; 3. handle; 4. sampling housing; 5. cylinder; 6. sampling window; 7. earth-breaking drill bit; 8. first motor; 9. first gear; 10. second gear; 11. sampling housing; 12. sampling drill bit; 13. collecting chamber; 14. rotating housing; 15. second motor; 16. third gear; 17. fourth gear; 18. limit housing; 19. control housing; 20. limit plate; 21. third motor; 22. fifth gear; 23. sixth gear; 24. fourth motor; 25. seventh gear; 26. eighth gear; 27. threaded rod; 28. connecting plate. DETAILED DESCRIPTION

[0032] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0033] Embodiment 1

[0034] like Figure 1-Figure 9As shown, a portable sampling device for soil investigation and classification proposed by the present invention comprises a device housing 1, a classification mechanism is arranged at the upper end of the device housing 1, four cylinders 5 are fixedly connected to the bottom of the classification mechanism, and the cylinders 5 can be driven to rotate by the classification mechanism, a sampling mechanism is arranged at the bottom of the cylinder 5, and a sampling shell 4 is arranged outside the sampling mechanism, and a sampling drill 12 arranged at the bottom can be driven to rotate and move downward at the same time by the sampling mechanism;

[0035] A sampling port is provided at the bottom of the device housing 1, and a soil breaking mechanism is provided at the lower end of the sampling housing 4, through which the soil breaking mechanism can drive the soil breaking drill bit 7 provided at the bottom to rotate, and a limiting mechanism is provided inside the soil breaking drill bit 7, which remains closed during the soil breaking process and can be controlled to open during sampling;

[0036] The classification mechanism includes a classification shell 2 threadedly connected to the upper end of the device housing 1, a handle 3 is fixedly connected to the top of the classification shell 2, a first motor 8 is arranged inside the classification shell 2, a classification component is arranged at the output end of the first motor 8, and the classification component includes a first gear 9 arranged at the output end of the first motor 8, the first gear 9 is meshedly connected with a second gear 10, the second gear 10 is rotatably connected to the classification shell 2, a connecting plate 28 is fixedly connected to the bottom of the second gear 10, and four cylinders 5 are fixedly connected to the bottom of the connecting plate 28;

[0037] The earth-breaking mechanism includes a rotating shell 14 fixedly connected at the bottom, a second motor 15 is arranged inside the rotating shell 14, an earth-breaking assembly is arranged at the output end of the second motor 15, and the earth-breaking assembly includes a third gear 16 arranged at the output end of the second motor 15, the third gear 16 is meshedly connected to a fourth gear 17, the fourth gear 17 is rotatably connected to the rotating shell 14, and a earth-breaking drill bit 7 is fixedly connected to the side of the fourth gear 17 away from the rotating shell 14;

[0038] There are two limit plates 20 rotatably connected inside the limit mechanism, and the limit plates 20 can be driven to rotate through the limit mechanism to control the opening and closing of the limit shell 18. The limit mechanism includes a limit shell 18 fixedly connected to the inside of the earth-breaking drill bit 7, and two control shells 19 are fixedly connected to the side walls of the limit shell 18. A third motor 21 is arranged inside the control shell 19, and a limit assembly is arranged at the output end of the third motor 21. The limit assembly includes a fifth gear 22 arranged at the output end of the third motor 21, and the fifth gear 22 is meshed with a sixth gear 23. The sixth gear 23 is fixedly connected to the limit plate 20 away from the side of the fifth gear 22, and the limit plate 20 is rotatably connected to the limit shell 18.

[0039] In this embodiment, the entire device can be lifted by the handle 3 provided at the upper end of the classification shell 2, which effectively improves the convenience of carrying the device. Four sampling shells 4 are provided inside the device shell 1 for sampling and sampling mechanisms. By starting the first motor 8, the first gear 9 can be driven to rotate, and the rotation of the first gear 9 can drive the limit plate 20 to rotate, and the rotation of the second gear 10 can drive the connecting plate 28 provided at the bottom to rotate, thereby driving the four sampling mechanisms to rotate. By rotating different sampling mechanisms to the sampling port, the soil in different areas can be continuously sampled and classified, which effectively improves the sampling effect of the device.

[0040] During sampling, the earth-breaking drill bit 7 is driven downward by the cylinder 5, and the third gear 16 can be driven to rotate by starting the second motor 15. The rotation of the third gear 16 drives the fourth gear 17 to rotate, and the rotation of the fourth gear 17 can drive the earth-breaking drill bit 7 to rotate as well. The earth-breaking drill bit 7 can be driven by the cylinder 5 and the second motor 15 to rotate and move downward at the same time, thereby driving the internal sampling mechanism to break the soil and bring the sampling mechanism to the target depth. When breaking the soil, the fifth gear 22 can be driven to rotate by the third motor 21, and the rotation of the fifth gear 22 can drive the sixth gear 23 to rotate. The rotation of the sixth gear 23 can drive the limit plate 20 to close, ensuring that the soil will not enter the earth-breaking drill bit 7 when the earth-breaking drill bit 7 breaks the soil, so that the sampling mechanism will not contact other soil before reaching the target depth, so that the device can extract soil at a specified depth, improving the extraction effect of the device.

[0041] Embodiment 2

[0042] like Figure 1-Figure 9 As shown, the sampling mechanism includes a sampling housing 11 fixedly connected to the bottom of the cylinder 5, a fourth motor 24 is arranged inside the sampling housing 11, and a sampling assembly is arranged at the output end of the fourth motor 24;

[0043] The sampling assembly includes a seventh gear 25 arranged at the output end of the fourth motor 24, the seventh gear 25 is threadedly connected to the eighth gear 26, the eighth gear 26 is rotatably connected to the sampling shell 11, the eighth gear 26 is threadedly connected to the threaded rod 27, the bottom of the threaded rod 27 is fixedly connected to the sampling drill bit 12, the sampling drill bit 12 is threadedly connected to the collecting chamber 13, a sampling window 6 is arranged on one side of the collecting chamber 13, and a handle 3 is fixedly connected to the sampling window 6.

[0044] In this embodiment, after the soil-breaking mechanism sends the sampling mechanism to a specified depth, the fourth motor 24 inside the sampling shell 11 can be started to drive the seventh gear 25 to rotate through the fourth motor 24. The seventh gear 25 rotates to drive the meshing eighth gear 26 to rotate. The eighth gear 26 rotates to drive the threaded rod 27 to rotate and move downward, thereby driving the sampling drill bit 12 fixedly connected to the bottom of the threaded rod 27 to rotate and move downward, so that the sampling drill bit 12 penetrates into the soil, and the soil sample will be embedded in the threaded groove on the sampling drill bit 12. It only needs to reverse the sampling assembly to drive the sampling drill bit 12 to return. During the return process, the soil will remain in the collection chamber 13. Personnel only need to open the sampling window 6 through the handle 3 set on the sampling window 6, thereby improving the use effect of the device.

[0045] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A portable sampling device for soil investigation and classification, comprising a device housing (1), characterized in that: A classification mechanism is arranged at the upper end of the device housing (1), and four cylinders (5) are fixedly connected to the bottom of the classification mechanism. The classification mechanism can drive the cylinders (5) to rotate. A sampling mechanism is arranged at the bottom of the cylinder (5). A sampling housing (4) is arranged outside the sampling mechanism. The sampling mechanism can drive a sampling drill (12) arranged at the bottom to rotate and move downward at the same time. A sampling port is provided at the bottom of the device housing (1), and a soil-breaking mechanism is provided at the lower end of the sampling housing (4). The soil-breaking mechanism can drive a soil-breaking drill bit (7) provided at the bottom to rotate. A limiting mechanism is provided inside the soil-breaking drill bit (7). The limiting mechanism remains closed during the soil-breaking process and can be controlled to open during sampling.

2. A portable sampling device for soil investigation and classification according to claim 1, characterized in that: The classification mechanism comprises a classification shell (2) threadedly connected to the upper end of the device housing (1); a handle (3) is fixedly connected to the top of the classification shell (2); a first motor (8) is arranged inside the classification shell (2); and a classification component is arranged at the output end of the first motor (8).

3. A portable sampling device for soil investigation and classification according to claim 2, characterized in that: The classification component comprises a first gear (9) arranged at the output end of a first motor (8), the first gear (9) being meshingly connected with a second gear (10), the second gear (10) being rotationally connected to a classification housing (2), the bottom of the second gear (10) being fixedly connected with a connecting plate (28), and the bottom of the connecting plate (28) being fixedly connected with four cylinders (5).

4. A portable sampling device for soil investigation and classification according to claim 1, characterized in that: The sampling mechanism comprises a sampling housing (11) fixedly connected to the bottom of the cylinder (5), a fourth motor (24) is arranged inside the sampling housing (11), and a sampling assembly is arranged at the output end of the fourth motor (24).

5. A portable sampling device for soil investigation and classification according to claim 4, characterized in that: The sampling assembly comprises a seventh gear (25) arranged at the output end of a fourth motor (24); the seventh gear (25) is threadedly connected to an eighth gear (26); the eighth gear (26) is rotatably connected to a sampling housing (11); the eighth gear (26) is threadedly connected to a threaded rod (27); a sampling drill bit (12) is fixedly connected to the bottom of the threaded rod (27); the sampling drill bit (12) is threadedly connected to a collecting chamber (13); a sampling window (6) is arranged on one side of the collecting chamber (13); and a handle (3) is fixedly connected to the sampling window (6).

6. A portable sampling device for soil investigation and classification according to claim 1, characterized in that: The soil-breaking mechanism comprises a rotating shell (14) fixedly connected to the bottom of the sampling shell (4), a second motor (15) is arranged inside the rotating shell (14), and a soil-breaking component is arranged at the output end of the second motor (15).

7. A portable sampling device for soil investigation and classification according to claim 6, characterized in that: The earth-breaking assembly comprises a third gear (16) arranged at the output end of the second motor (15); the third gear (16) is meshingly connected to a fourth gear (17); the fourth gear (17) is rotatably connected to a rotating housing (14); and the fourth gear (17) is fixedly connected to an earth-breaking drill bit (7) on a side away from the rotating housing (14).

8. A portable sampling device for soil investigation and classification according to claim 1, characterized in that: Two limiting plates (20) are rotatably connected inside the limiting mechanism, and the limiting plates (20) can be driven to rotate by the limiting mechanism to control the opening and closing of the limiting housing (18).

9. A portable sampling device for soil investigation and classification according to claim 8, characterized in that: The limiting mechanism comprises a limiting housing (18) fixedly connected to the inside of the earth-breaking drill bit (7), two control housings (19) being fixedly connected to the side wall of the limiting housing (18), a third motor (21) being arranged inside the control housing (19), and a limiting component being arranged at the output end of the third motor (21).

10. A portable sampling device for soil investigation and classification according to claim 9, characterized in that: The limiting assembly comprises a fifth gear (22) arranged at the output end of the third motor (21), the fifth gear (22) being meshingly connected with a sixth gear (23), the sixth gear (23) being fixedly connected to a limiting plate (20) on a side away from the fifth gear (22), and the limiting plate (20) being rotatably connected to the limiting housing (18).

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