Soil sampling device

Abstract

The utility model discloses a soil sampling device, which belongs to the technical field of soil sampling, aims to solve the problems that soil in different soil layers cannot be sampled at the same time and the sampling efficiency is low, and comprises a support frame, a limiting frame is movably connected in the support frame, and the bottom surface of the limiting frame is rotatably connected with a first tooth-shaped ring; an outer barrel is fixed to the middle of the bottom face of the first tooth-shaped ring, a rotating rod is rotationally connected into the outer barrel, a plurality of tooth-shaped discs distributed linearly are fixed to the outer side wall of the rotating rod, and a plurality of limiting boxes distributed linearly are fixed to the inner side wall of the outer barrel. According to the soil sampling device, the ten tooth-shaped discs can synchronously rotate through the arranged rotating rod, the sampling pipes can be moved out of and reset from the outer barrel through the arranged first gear, the arranged belt wheel, the arranged belt, the arranged threaded rod and the arranged movable block, and soil of different soil layers can be sampled through the arranged ten sampling pipes and the arranged sampling shell; therefore, soil in different soil layers can be sampled at the same time, and the sampling efficiency of the soil is improved.

Description

Technical Field

[0001] The utility model belongs to the technical field of soil sampling, and in particular relates to a soil sampling device. Background Art

[0002] Soil refers to a loose layer of material on the surface of the earth, which is composed of various granular minerals, organic matter, water, air, microorganisms, etc., and can grow plants. Soil is composed of minerals formed by weathering of rocks, organic matter produced by the decomposition of animal and plant and microbial residues, soil organisms (solid phase matter), water (liquid phase matter), air (gas phase matter), oxidized humus, etc. Solid matter includes soil minerals, organic matter and nutrients obtained by microorganisms after light inhibition and sterilization. Liquid matter mainly refers to soil moisture. Gas is the air present in the pores of the soil. These three types of substances in the soil constitute a contradictory unity. They are interconnected and mutually restricted, providing the necessary living conditions for crops, and are the substances of soil fertility.

[0003] The existing soil sampling device can only sample one layer of soil at a time, and cannot sample soil in different soil layers at the same time, resulting in low sampling efficiency.

[0004] Therefore, a soil sampling device is needed to solve the problem in the prior art that soil in different soil layers cannot be sampled simultaneously and the sampling efficiency is low. Utility Model Content

[0005] The purpose of the utility model is to provide a soil sampling device to solve the problems raised in the above background technology.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a soil sampling device, comprising a support frame, a limit frame movably connected inside the support frame, a first toothed ring rotatably connected to the bottom surface of the limit frame, an outer barrel is fixed to the middle part of the bottom surface of the first toothed ring, a rotating rod is rotatably connected inside the outer barrel, a plurality of linearly distributed toothed disks are fixed to the outer side wall of the rotating rod, a plurality of linearly distributed limit boxes are fixed to the inner side wall of the outer barrel, a movable block movably engaged in the limit box, a sampling tube is fixed to one side of the movable block, a sampling port is provided on one side of the top side of the outer side wall of the sampling tube, a sampling shell is fixed on one side of the top side of the outer side wall of the sampling tube, a first threaded rod is rotatably connected between one side of the inner side wall of the limit box and the inner side wall of the outer barrel, the movable block is movably connected to the outer side wall of the first threaded rod, the outer side wall of the outer barrel is provided with openings for the rods to be linearly distributed, and a driving assembly is provided on the top surface of the limit box.

[0007] It should be noted in the scheme that the driving assembly includes two positioning frames, the two positioning frames are fixed to the top surface of the limit box, and the two positioning frames are rotatably connected with a rotating shaft between one side surface close to each other, a first gear is fixed to the middle of the outer side wall of the rotating shaft, the first gear is meshed with the toothed disk, and pulleys are fixed on one end of the outer side wall of the rotating shaft and the first threaded rod, and a belt is rotatably connected between the two pulleys.

[0008] It is further worth mentioning that the support frame has symmetrically distributed T-shaped grooves on one side thereof, a T-shaped block is movably engaged in the T-shaped groove, and the opposite side surfaces of the outer side wall of the limit frame are respectively fixed to one side surface of the T-shaped block.

[0009] It should be further explained that, side openings are respectively provided on two opposite side surfaces of the outer wall of the support frame, and a second threaded rod is rotatably connected between the top and bottom surfaces of the inner wall of the side opening, and connecting blocks are respectively fixed in the middle of the two opposite side surfaces of the outer wall of the limit frame, and the connecting blocks are movably connected to the outer wall of the second threaded rod, a third gear is fixed on the top surface of the second threaded rod, a mounting frame is fixed in the middle of the top surface of the support frame, and a third servo motor is fixed in the middle of the bottom surface of the mounting frame, and a second toothed ring is fixed to the output end of the third servo motor, and the second toothed ring is respectively meshed with the third gear on both sides.

[0010] As a preferred implementation manner: a threaded drill bit is fixed to the bottom surface of the outer barrel, a second servo motor is fixed to the top surface of the inner wall of the outer barrel, and an output end of the second servo motor is fixed to the top surface of the rotating rod.

[0011] As a preferred embodiment, two ground plugs are movably connected to both sides of the top surface of the support frame.

[0012] As a preferred implementation, a first servo motor is fixed to one side of the top surface of the limiting frame, a second gear is fixed to an output end of the first servo motor, and the second gear is meshed with the first toothed ring.

[0013] Compared with the prior art, the soil sampling device provided by the utility model at least comprises the following

[0014] Beneficial effects:

[0015] (1) The ten toothed disks can rotate synchronously by means of the rotating rod, the sampling tube can be removed from the outer barrel and reset by means of the first gear, pulley, belt, threaded rod and movable block, and the soil in different soil layers can be sampled by means of the ten sampling tubes and sampling shells, so that the soil in different soil layers can be sampled at the same time, thereby improving the soil sampling efficiency.

[0016] (2) The outer barrel can be rotated into the soil by the second gear, the first gear ring and the spiral drill bit, and the outer barrel can be moved down and up by the second threaded rod, the third gear and the second gear ring, so that the outer barrel can enter the soil more conveniently, thereby saving the time of soil sampling. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0018] Figure 2 This is a schematic diagram of a partial cross-sectional structure of the support frame of the utility model;

[0019] Figure 3 It is a schematic diagram of the cross-sectional structure of the limiting frame of the utility model;

[0020] Figure 4 This is a schematic diagram of the cross-sectional structure of the outer barrel of the utility model;

[0021] Figure 5 This is a schematic diagram of the cross-sectional structure of the limit box of the utility model;

[0022] Figure 6 This is a schematic diagram of the front view of the outer barrel of the utility model.

[0023] In the figure:

[0024] 100, support frame; 101, outer barrel; 102, toothed disc; 103, opening;

[0025] 200, limit box; 201, movable block; 202, first threaded rod; 203, pulley; 204, belt; 205, positioning frame; 206, rotating shaft; 207, first gear; 208, sampling tube; 209, sampling shell; 210, sampling port;

[0026] 300, T-slot; 301, T-block; 302, limit frame; 303, connecting block; 304, second threaded rod;

[0027] 400, first gear ring; 401, second gear; 402, first servo motor;

[0028] 500, thread drill bit; 501, second servo motor; 502, rotating rod;

[0029] 600, ground plug;

[0030] 700, third gear; 701, second gear ring; 702, mounting frame; 703, third servo motor. DETAILED DESCRIPTION

[0031] See also Figure 1-6The utility model provides a soil sampling device, including a support frame 100, wherein a limit frame 302 is movably connected inside the support frame 100, wherein a first toothed ring 400 is rotatably connected to the bottom surface of the limit frame 302, wherein an outer barrel 101 is fixed to the middle of the bottom surface of the first toothed ring 400, wherein a rotating rod 502 is rotatably connected inside the outer barrel 101, wherein a plurality of linearly distributed toothed disks 102 are fixed to the outer side wall of the rotating rod 502, wherein the number of the toothed disks 102 is ten, wherein a plurality of linearly distributed limit boxes 200 are fixed to the inner side wall of the outer barrel 101, wherein the number of the limit boxes 200 is movably connected to the bottom surface of the limit frame 302, wherein the first toothed ring 400 is fixed to an outer barrel 101 ... A movable block 201 is movably engaged, a sampling tube 208 is fixed on one side of the movable block 201, a sampling port 210 is provided on one side of the top of the outer wall of the sampling tube 208, a sampling shell 209 is fixed on one side of the top of the outer wall of the sampling tube 208, a first threaded rod 202 is rotatably connected between one side of the inner wall of the limit box 200 and the inner wall of the outer barrel 101, the movable block 201 is movably connected to the outer wall of the first threaded rod 202, the outer wall of the outer barrel 101 is provided with openings 103 with linear distribution of the rods, there are ten openings 103, and a driving assembly is provided on the top surface of the limit box 200.

[0032] Further Figure 5 As shown, the driving assembly includes two positioning frames 205, and the two positioning frames 205 are fixed on the top surface of the limit box 200. The two positioning frames 205 are rotatably connected with a rotating shaft 206 close to one side surface of each other, and a first gear 207 is fixed to the middle of the outer wall of the rotating shaft 206, and the first gear 207 is meshed with the toothed disk 102. A pulley 203 is fixed on one end of the outer wall of the rotating shaft 206 and the first threaded rod 202, and a belt 204 is rotatably connected between the two pulleys 203.

[0033] The rotating shaft 206 and the first threaded rod 202 can rotate synchronously by means of the provided pulley 203 and the belt 204 , and the first threaded rod 202 can be driven to rotate when the toothed disk 102 rotates by means of the provided first gear 207 .

[0034] Further Figure 2 As shown, the support frame 100 has symmetrically distributed T-slots 300 on one side thereof, a T-block 301 is movably engaged in the T-slot 300, and the two opposite side surfaces of the outer side wall of the limiting frame 302 are fixed to one side of the T-block 301 respectively.

[0035] By providing the T-slot 300 and the T-block, the position of the limit frame 302 can be moved up and down in the support frame 100, thereby enabling the outer barrel 101 to move up and down.

[0036] This solution has the following working process: when sampling soil, first place the support frame 100 in a suitable position, and insert four ground plugs 600 into the two sides of the top surface of the support frame 100 respectively, then start the first servo motor 402, the first servo motor 402 rotates to drive the second gear 401 to rotate, the second gear 401 rotates to drive the first gear ring 400 to rotate, the first gear ring 400 rotates to drive the outer barrel 101 to rotate, and the third servo motor 703 is started, and the third servo motor 703 rotates to drive the second gear ring 701 to rotate. The second gear ring 701 rotates to drive the third gears 700 on both sides to rotate synchronously, and the third gear 700 rotates to drive the second threaded rod 304 to rotate, so that the limit frame 302 moves downward. At this time, the outer barrel 101 rotates and moves downward at the same time, and the spiral drill bit can enter the ground more easily, and finally the outer barrel 101 enters the ground, and then the first servo motor 402 and the third servo motor 703 are turned off, and the second servo motor 501 is started. The rotation of the second servo motor 501 drives the rotating rod 502 to rotate, and the rotation of the rotating rod 502 drives The toothed disc 102 rotates, and the rotation of the toothed disc 102 drives the first gear 207 to rotate. The rotation of the first gear 207 drives the rotating shaft 206 to rotate. The rotation of the rotating shaft 206 drives the pulley 203 to rotate. The transmission of the belt 204 drives another pulley 203 to rotate, thereby causing the first threaded rod 202 to rotate. The rotation of the first threaded rod 202 drives the movable block 201 to move. The movable block 201 moves so that the sampling tube 208 is pushed out from the outer barrel 101. Different sampling tubes 208 are inserted into soil of different soil layers. Then, by controlling the second servo The motor 501 rotates in the reverse direction, so that the sampling tube 208 returns to the outer barrel 101. During this process, the sampling shell 209 brings out the soil and enters the sampling tube 208 from the sampling port 210, so as to collect soil from different soil layers. Then, the outer barrel 101 is moved out of the soil by controlling the third servo motor 703 and the first servo motor 402 to rotate in the reverse direction. After the outer barrel 101 is moved out, the sampling tube 208 is moved out of the outer barrel 101 by controlling the second servo motor 501 to rotate forward, so that different soils in different sampling tubes 208 can be taken out.

[0037] According to the above working process, it can be known that: through the setting of the rotating rod 502, the ten toothed disks 102 can rotate synchronously, and through the setting of the first gear 207, the pulley 203, the belt 204, the threaded rod and the movable block 201, the sampling tube 208 can be removed from the outer barrel 101 and reset, and through the setting of the ten sampling tubes 208 and the sampling shell 209, the soil of different soil layers can be sampled, so that the soil in different soil layers can be sampled at the same time, thereby improving the soil sampling efficiency.

[0038] By setting the second gear 401, the first toothed ring 400 and the spiral drill bit, the outer barrel 101 can be rotated into the soil, and by setting the second threaded rod 304, the third gear 700 and the second toothed ring 701, the outer barrel 101 can move down and up, so that the outer barrel 101 can enter the soil more conveniently, thereby saving the time of soil sampling.

[0039] Further Figure 2 As shown, the outer wall of the support frame 100 is respectively provided with side openings on two opposite side surfaces, and a second threaded rod 304 is rotatably connected between the top and bottom surfaces of the inner wall of the side opening, and connecting blocks 303 are respectively fixed in the middle of the two opposite side surfaces of the outer wall of the limit frame 302, and the connecting blocks 303 are movably connected to the outer wall of the second threaded rod 304, and a third gear 700 is fixed on the top surface of the second threaded rod 304, and a mounting frame 702 is fixed in the middle of the top surface of the support frame 100, and a third servo motor 703 is fixed in the middle of the bottom surface of the mounting frame 702, and a second toothed ring 701 is fixed to the output end of the third servo motor 703, and the second toothed ring 701 is respectively meshed with the third gear 700 on both sides.

[0040] The second threaded rod 304 is provided so that the limit frame 302 can move up and down, and the third gear 700 and the second toothed ring 701 are provided so that the second threaded rods 304 on both sides can rotate synchronously, thereby allowing the outer barrel 101 to move up and down evenly.

[0041] Further Figure 2 As shown, a threaded drill bit 500 is fixed to the bottom surface of the outer barrel 101 , a second servo motor 501 is fixed to the top surface of the inner wall of the outer barrel 101 , and an output end of the second servo motor 501 is fixed to the top surface of the rotating rod 502 .

[0042] By providing the threaded drill bit 500 , the outer barrel 101 can enter the soil layer more smoothly when rotating.

[0043] Further Figure 2 As shown, two ground plugs 600 are movably connected to both sides of the top surface of the support frame 100.

[0044] By providing the ground plug 600 , the support frame 100 can be stably connected to the ground.

[0045] Further Figure 3 As shown, a first servo motor 402 is fixed to one side of the top surface of the limiting frame 302 , a second gear 401 is fixed to the output end of the first servo motor 402 , and the second gear 401 is meshed with the first gear ring 400 .

[0046] The first gear ring 400 can rotate by means of the first servo motor 402 and the second gear 401 .

[0047] In summary: when sampling the soil, first place the support frame 100 in a suitable position, and insert four ground plugs 600 into both sides of the top surface of the support frame 100 respectively, then start the first servo motor 402, the first servo motor 402 rotates to drive the second gear 401 to rotate, the second gear 401 rotates to drive the first gear ring 400 to rotate, the first gear ring 400 rotates to drive the outer barrel 101 to rotate, and the third servo motor 703 is started, the third servo motor 703 rotates to drive the second gear ring 701 to rotate, and the second gear ring The rotation of the third gear 701 drives the third gears 700 on both sides to rotate synchronously, and the rotation of the third gear 700 drives the second threaded rod 304 to rotate, so that the limit frame 302 moves downward. At this time, the outer barrel 101 rotates and moves downward at the same time, and the spiral drill bit can enter the ground more easily, and finally the outer barrel 101 enters the ground, and then the first servo motor 402 and the third servo motor 703 are turned off, and the second servo motor 501 is started. The rotation of the second servo motor 501 drives the rotating rod 502 to rotate, and the rotating rod 502 rotates to drive the toothed disk 10 2 rotates, the toothed disk 102 rotates to drive the first gear 207 to rotate, the first gear 207 rotates to drive the rotating shaft 206 to rotate, the rotating shaft 206 rotates to drive the pulley 203 to rotate, and the belt 204 drives another pulley 203 to rotate, thereby causing the first threaded rod 202 to rotate, the first threaded rod 202 rotates to drive the movable block 201 to move, the movable block 201 moves to push the sampling tube 208 out of the outer barrel 101, and different sampling tubes 208 are inserted into the soil of different soil layers, and then the second servo motor is controlled 501 rotates in the opposite direction, so that the sampling tube 208 returns to the outer barrel 101. During this process, the sampling shell 209 brings out the soil and enters the sampling tube 208 from the sampling port 210, so as to collect soil from different soil layers. Then, the third servo motor 703 and the first servo motor 402 are controlled to rotate in the opposite direction, so that the outer barrel 101 is moved out of the soil. After the outer barrel 101 is moved out, the sampling tube 208 is moved out of the outer barrel 101 by controlling the second servo motor 501 to rotate forward, so that different soils in different sampling tubes 208 can be taken out.

[0048] The first servo motor 402 , the second servo motor 501 and the third servo motor 703 can all be purchased from the market, and are mature technologies in this field and have been fully disclosed, so they are not repeated in the specification.

[0049] 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 soil sampling device, comprising a support frame (100), characterized in that: The support frame (100) is movably connected to a limit frame (302), the bottom surface of the limit frame (302) is rotatably connected to a first toothed ring (400), an outer barrel (101) is fixed to the middle of the bottom surface of the first toothed ring (400), a rotating rod (502) is rotatably connected to the outer barrel (101), a plurality of linearly distributed toothed disks (102) are fixed to the outer side wall of the rotating rod (502), a plurality of linearly distributed limit boxes (200) are fixed to the inner side wall of the outer barrel (101), a movable block (201) is movably engaged in the limit box (200), and the movable block (201) is fixed to the inner side wall of the outer barrel (101). 1) A sampling tube (208) is fixed on one side, a sampling port (210) is provided on one side of the top of the outer wall of the sampling tube (208), a sampling shell (209) is fixed on one side of the top of the outer wall of the sampling tube (208), a first threaded rod (202) is rotatably connected between one side of the inner wall of the limit box (200) and the inner wall of the outer barrel (101), the movable block (201) is movably connected to the outer wall of the first threaded rod (202), the outer wall of the outer barrel (101) is provided with an opening (103) on which the rods are linearly distributed, and a driving component is provided on the top surface of the limit box (200).

2. A soil sampling device according to claim 1, characterized in that: The driving assembly comprises two positioning frames (205), the two positioning frames (205) are fixed on the top surface of the limit box (200), a rotating shaft (206) is rotatably connected between the two positioning frames (205) and a side surface close to each other, a first gear (207) is fixed in the middle of the outer wall of the rotating shaft (206), the first gear (207) is correspondingly meshed with the toothed disk (102), a pulley (203) is fixed at one end of the outer wall of the rotating shaft (206) and the first threaded rod (202), and a belt (204) is rotatably connected between the two pulleys (203).

3. A soil sampling device according to claim 2, characterized in that: The support frame (100) is provided with symmetrically distributed T-shaped slots (300) on the sides close to each other, a T-shaped block (301) is movably engaged in the T-shaped slot (300), and the two opposite sides of the outer wall of the limiting frame (302) are respectively fixed to one side of the T-shaped block (301).

4. A soil sampling device according to claim 3, characterized in that: The outer wall of the support frame (100) is provided with side openings on two opposite sides, and a second threaded rod (304) is rotatably connected between the top and bottom surfaces of the inner wall of the side opening. A connecting block (303) is fixed in the middle of the two opposite sides of the outer wall of the limit frame (302), and the connecting block (303) is movably connected to the outer wall of the second threaded rod (304). A third gear (700) is fixed on the top surface of the second threaded rod (304). A mounting frame (702) is fixed in the middle of the top surface of the support frame (100), and a third servo motor (703) is fixed in the middle of the bottom surface of the mounting frame (702). A second toothed ring (701) is fixed at the output end of the third servo motor (703), and the second toothed ring (701) is respectively meshed with the third gears (700) on both sides.

5. A soil sampling device according to claim 4, characterized in that: A threaded drill bit (500) is fixed to the bottom surface of the outer barrel (101), a second servo motor (501) is fixed to the top surface of the inner wall of the outer barrel (101), and an output end of the second servo motor (501) is fixed to the top surface of the rotating rod (502).

6. A soil sampling device according to claim 5, characterized in that: Two ground plugs (600) are movably connected to both sides of the top surface of the support frame (100).

7. A soil sampling device according to claim 6, characterized in that: A first servo motor (402) is fixed to one side of the top surface of the limiting frame (302), a second gear (401) is fixed to the output end of the first servo motor (402), and the second gear (401) is meshed with the first gear ring (400).

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