Soil detection pulverizer

Abstract

The utility model relates to the technical field of soil detection, and discloses a soil detection pulverizer which comprises a feeding bin, a scattering assembly is arranged in the feeding bin, and a pulverizing assembly is arranged at the bottom of the feeding bin; the scattering assembly comprises a stirring bin, a small rotating column is arranged in the stirring bin and connected with a large scraping plate and a small scraping plate, a large rotating column is arranged in the feeding bin and connected with rotating blades, and the feeding bin is connected with a discharging column; the smashing assembly comprises a grinding box, a first grinding rod is arranged in the grinding box and connected with a first grinding block, a power gear, a first transmission gear and a second transmission gear are arranged in the grinding box, the power gear is in tooth connection with the first transmission gear and the second transmission gear, the power gear is connected with the first grinding rod, and a blocking plate is arranged in the grinding box. A discharging hopper is arranged at the bottom of the grinding box and connected with a valve, and the problems that in the using process, soil particles are not evenly smashed, and soil is not stirred and scattered are solved.

Description

Technical Field

[0001] This utility model relates to the field of soil testing technology, specifically a soil testing pulverizer. Background Technology

[0002] Soil testing is an important measure to understand the status of soil environmental quality. With the aim of preventing and controlling the harm of soil pollution, it involves dynamic analysis and measurement of the degree and development trend of soil pollution. It includes current status surveys of soil environmental quality, surveys of regional soil environmental background values, investigations of soil pollution incidents, and dynamic monitoring of polluted soil.

[0003] Chinese Patent Publication No. CN220737908U discloses a "Soil Testing Crusher," comprising a crushing chamber with a discharge cylinder connected to its bottom. A fixed box is fixedly connected to the bottom of the crushing chamber and at the bottom of the discharge cylinder. A motor is fixedly connected to the left side of the back wall of the fixed box, and a cam is fixedly connected to the output end of the motor. Slide plates are longitudinally slidably connected to the left and right sides of the inner cavity of the crushing chamber. This invention, through the arrangement of a motor, cam, slide plate, horizontal plate, connecting column, and push block, enables the motor to drive the cam to rotate. The rotation of the cam contacts the slide plate, forcing it to move to the right. The rightward movement of the slide plate drives the horizontal plate and connecting column to move synchronously. The rightward movement of the connecting column drives the push block to move to the right. The push block's movement pushes out and cleans the raw material inside the discharge cylinder, replacing the shortcomings of existing crushers where clay easily adheres to the inner wall of the discharge cylinder during soil crushing, thus improving the efficiency of the crusher.

[0004] While existing technologies can pulverize soil, they primarily rely on a pulverizing hammer to strike the soil and break it up quickly. However, this method often fails to ensure uniform pulverization of soil particles. In contrast, grinding and pulverizing use precise mechanical force and friction to gradually refine soil particles, thus achieving more effective uniform pulverization of soil. Utility Model Content

[0005] The purpose of this invention is to provide a soil testing and pulverizing machine to solve the problem in the above-mentioned background technology, which mainly relies on pulverizing hammers to beat the soil and break it up quickly. However, this method often fails to ensure uniform pulverization of soil particles. In contrast, grinding and pulverizing uses precise mechanical force and friction to gradually refine soil particles, which can more effectively achieve the problem of uniform pulverization of soil.

[0006] To solve the above-mentioned technical problems, the present invention provides the following technical solution: a soil testing pulverizer, including a feeding bin, wherein a dispersing component is provided inside the feeding bin, and a pulverizing component is provided at the bottom of the feeding bin;

[0007] The dispersing component includes a mixing chamber, which is fixedly connected to the top of the outer surface of the feeding chamber. A small rotating column is rotatably embedded inside the mixing chamber, and multiple large scrapers are fixedly connected to the outer surface of the small rotating column. A large rotating column is rotatably embedded inside the feeding chamber, and rotating blades are fixedly connected to the outer surface of the large rotating column. A discharge column is fixedly connected to the outer surface of the feeding chamber.

[0008] The pulverizing assembly includes a grinding box, with a first grinding rod rotatably embedded inside the grinding box. Multiple first grinding blocks are fixedly connected to the outer surface of the first grinding rod. A power gear is rotatably embedded inside the grinding box, and a first transmission gear is rotatably embedded inside the grinding box, with the outer surface of the first transmission gear meshing with the power gear. A second transmission gear is rotatably embedded inside the grinding box, with the outer surface of the second transmission gear meshing with the power gear. One side of the outer surface of the power gear is fixedly connected to the first grinding rod. Baffle plates are fixedly connected to both sides of the inner wall of the grinding box. A discharge funnel is fixedly connected to the bottom of the outer surface of the grinding box, and a valve is fixedly connected to the bottom of the outer surface of the discharge funnel.

[0009] Preferably, a second grinding rod is rotatably embedded inside the grinding box, and a plurality of second grinding blocks are fixedly connected to the outer surface of the second grinding rod, and one side of the outer surface of the first transmission gear is fixedly connected to the second grinding rod.

[0010] Preferably, a third grinding rod is rotatably embedded inside the grinding box, and a plurality of third grinding blocks are fixedly connected to the outer surface of the third grinding rod, and one side of the outer surface of the second transmission gear is fixedly connected to the third grinding blocks.

[0011] Preferably, a push motor plate is fixedly connected to one side of the outer surface of the large rotating column, and a push motor is provided at the top of the outer surface of the push motor plate, with the output shaft of the push motor fixedly connected to the large rotating column.

[0012] Preferably, a grinding motor plate is fixedly connected to one side of the outer surface of the grinding box, and a grinding motor is provided on the top of the outer surface of the grinding motor plate, and the output shaft of the grinding motor is fixedly connected to the power gear.

[0013] Preferably, a stirring motor is fixedly connected to the bottom of the outer surface of the mixing chamber, and the output shaft of the stirring motor is fixedly connected to the small rotating column. A feed inlet is fixedly connected to the outer surface of the mixing chamber.

[0014] Preferably, feeding support columns are fixedly connected to both sides of the outer surface of the feeding bin, and grinding support columns are fixedly connected to both sides of the outer surface of the grinding box.

[0015] Compared with the prior art, the beneficial effects achieved by this utility model are:

[0016] First, this utility model involves feeding the soil to be tested into a mixing chamber through an inlet connected to the mixing chamber. The mixing chamber is internally connected to the inlet. A small rotating column is embedded inside the mixing chamber, and multiple large and small scrapers are fixedly connected to the outer surface of the small rotating column. A mixing motor located at the top of the mixing chamber is activated, and the output shaft of the mixing motor is fixedly connected to the small rotating column. The rotation of the mixing motor drives the small rotating column to rotate, which in turn drives the multiple large and small scrapers to rotate. The rotation of the multiple small and large scrapers mixes and disperses the soil inside the mixing chamber, preventing uneven distribution of particles, clumps, and any impurities that might be present without mixing, which could affect subsequent crushing and use. Simultaneously, the multiple large and small scrapers adhere the mixing chamber to the inner wall of the mixing chamber. The soil is scraped off, and the broken and mixed soil falls into the feeding hopper through the mixing chamber. The mixing chamber is fixed to the outer surface of the feeding hopper, and the interior of the mixing chamber and the feeding hopper are connected. A large rotating column is embedded inside the feeding hopper, and rotating blades are fixedly connected to the outer surface of the large rotating column. By opening one side of the outer surface of the feeding hopper, a push motor on the motor plate is pushed. The output shaft of the push motor is fixedly connected to the large rotating column. The rotation of the push motor drives the large rotating column to rotate, which in turn drives the rotating blades to rotate. The rotating blades further mix the soil and then push it out through the discharge column connected to the feeding hopper. Through the above technical solution, the soil is mixed and broken up to avoid uneven distribution of particles, clumps, and any impurities in the soil, which would affect subsequent crushing and use.

[0017] Secondly, the soil, after being mixed and dispersed, falls into the grinding box through a feeding column. Inside the grinding box, a first grinding rod, a second grinding rod, and a third grinding rod are rotatably embedded. Multiple first grinding blocks are fixedly connected to the outer surface of the first grinding rod, multiple second grinding blocks are fixedly connected to the outer surface of the second grinding rod, and multiple third grinding blocks are fixedly connected to the outer surface of the third grinding rod. Inside the grinding box, a power gear, a first transmission gear, and a second transmission gear are rotatably embedded. The outer surface of the power gear meshes with the first transmission gear, and simultaneously meshes with the second transmission gear. The power gear is fixedly connected to the first grinding rod, the first transmission gear is fixedly connected to the second grinding rod, and the second transmission gear is fixedly connected to the third grinding rod. A grinding motor plate is fixedly connected to one side of the outer surface of the power gear, and the top of the grinding motor plate has… The grinding motor has its output shaft fixedly connected to a power gear. When the grinding motor is turned on, its rotation drives the power gear to rotate. The power gear then drives the first and second transmission gears, which in turn drive the first grinding rod to rotate. The first transmission gear drives the second grinding rod to rotate, and the second transmission gear drives the third grinding rod to rotate. This causes multiple second, first, and third grinding blocks inside the grinding box to rotate, and these blocks are staggered. The soil inside the grinding box is ground by these blocks. After grinding, the soil falls into the discharge hopper and is then discharged through a valve connected to the discharge hopper. This technical solution completes the grinding and pulverization of the soil. Attached Figure Description

[0018] Figure 1 This is a three-dimensional structural diagram of the present invention;

[0019] Figure 2 This is a schematic diagram of the disintegration component structure of this utility model;

[0020] Figure 3 This is a three-dimensional structural diagram of the crushing component of this utility model;

[0021] Figure 4 This is a schematic diagram of a portion of the three-dimensional structure of this utility model.

[0022] The components include: 1. Feeding bin; 2. Mixing bin; 201. Small rotating column; 202. Large scraper; 203. Small scraper; 204. Feed inlet; 3. Large rotating column; 301. Rotating blade; 4. Discharge column; 5. Grinding box; 501. First grinding rod; 502. Second grinding rod; 503. Third grinding rod; 504. Second grinding block; 505. First grinding block; 506. Third grinding block; 507. Baffle plate; 6. Discharge funnel; 7. Power gear; 701. First transmission gear; 702. Second transmission gear; 8. Grinding motor; 801. Grinding motor plate; 9. Pushing motor; 901. Pushing motor plate; 10. Mixing motor; 11. Feeding support column; 12. Grinding support column; 13. Valve. Detailed Implementation

[0023] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present utility model. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. All other embodiments obtained by those skilled in the art based on the embodiments of the present utility model without creative effort are within the protection scope of the present utility model.

[0024] Please see Figure 1-4 A soil testing pulverizer includes a feeding bin 1, a dispersing component is provided inside the feeding bin 1, and a pulverizing component is provided at the bottom of the feeding bin 1.

[0025] The dispersing assembly includes a mixing chamber 2, which is fixedly connected to the top of the outer surface of the feeding chamber 1. A small rotating column 201 is rotatably embedded inside the mixing chamber 2, and multiple large scrapers 202 and multiple small scrapers 203 are fixedly connected to the outer surface of the small rotating column 201. A large rotating column 3 is rotatably embedded inside the feeding chamber 1, and rotating blades 301 are fixedly connected to the outer surface of the large rotating column 3. A discharge column 4 is fixedly connected to the outer surface of the feeding chamber 1.

[0026] The crushing assembly includes a grinding box 5, and a first grinding rod 501 is rotatably embedded inside the grinding box 5. A plurality of first grinding blocks 505 are fixedly connected to the outer surface of the first grinding rod 501. A power gear 7 is rotatably embedded inside the grinding box 5. A first transmission gear 701 is rotatably embedded inside the grinding box 5, and the outer surface of the first transmission gear 701 meshes with the power gear 7. A second transmission gear 702 is rotatably embedded inside the grinding box 5, and the outer surface of the second transmission gear 702 meshes with the power gear 7. One side of the outer surface of the power gear 7 is fixedly connected to the first grinding rod 501. Baffle plates 507 are fixedly connected to both sides of the inner wall of the grinding box 5. A discharge funnel 6 is fixedly connected to the bottom of the outer surface of the grinding box 5, and a valve 13 is fixedly connected to the bottom of the outer surface of the discharge funnel 6.

[0027] The above technical solution involves feeding the soil to be tested into the mixing chamber 2 through the feed inlet 204 connected to the mixing chamber 2. The mixing chamber 2 is internally connected to the feed inlet 204. A small rotating column 201 is embedded inside the mixing chamber 2, and multiple large scrapers 202 and small scrapers 203 are fixedly connected to the outer surface of the small rotating column 201. The mixing motor 10 located at the top of the mixing chamber 2 is turned on. The output shaft of the mixing motor 10 is fixedly connected to the small rotating column 201. The rotation of the mixing motor 10 drives the small rotating column 201 to rotate, which in turn drives the multiple large scrapers 202 and small scrapers 203 to rotate. The rotation of the multiple small scrapers 203 and large scrapers 202 mixes and disperses the soil inside the mixing chamber 2, preventing uneven distribution of particles, clumps, and potential impurities in the soil without mixing, which could affect subsequent crushing and use. Simultaneously, the multiple large scrapers 202 and small scrapers 203... Soil adhering to the inner wall of mixing chamber 2 is scraped off, and the broken and mixed soil falls into the feeding chamber 1 through mixing chamber 2. Mixing chamber 2 is fixed to the outer surface of feeding chamber 1, and the interior of mixing chamber 2 and feeding chamber 1 are connected. A large rotating column 3 is embedded inside feeding chamber 1. Rotating blades 301 are fixedly connected to the outer surface of the large rotating column 3. By opening one side of the outer surface of feeding chamber 1, a push motor 9 on the motor plate 901 is pushed. The output shaft of push motor 9 is fixedly connected to the large rotating column 3. The rotation of push motor 9 drives the large rotating column 3 to rotate, which in turn drives the rotating blades 301 to rotate. The rotating blades 301 rotate and mix the soil again before pushing it out through the discharge column 4 connected to feeding chamber 1. Through the above technical solution, the soil is mixed and broken up to avoid uneven distribution of particles, clumps and possible impurities in the soil, which would affect subsequent crushing and use.

[0028] With the above technical solution, the soil is assumed to be mixed and dispersed. The mixed and dispersed soil falls into the grinding box 5 through the feeding column 4. The grinding box 5 is internally fitted with a first grinding rod 501, a second grinding rod 502, and a third grinding rod 503. Multiple first grinding blocks 505 are fixedly connected to the outer surface of the first grinding rod 501, multiple second grinding blocks 504 are fixedly connected to the outer surface of the second grinding rod 502, and multiple third grinding blocks 506 are fixedly connected to the outer surface of the third grinding rod 503. The grinding box 5 is internally fitted with a power gear 7, a first transmission gear 701, and a second transmission gear 702. The outer surface of the power gear 7 meshes with the first transmission gear 701 and also meshes with the second transmission gear 702. The power gear 7 is fixedly connected to the first grinding rod 501, the first transmission gear 701 is fixedly connected to the second grinding rod 502, and the second transmission gear 702 is fixedly connected to the third grinding rod 503. A grinding motor plate 801 is fixedly connected to one side of the outer surface of the power gear 7. A grinding motor 8 is located on the top of the machine plate 801. The output shaft of the grinding motor 8 is fixedly connected to the power gear 7. When the grinding motor 8 is turned on, the grinding motor 8 rotates, which drives the power gear 7 to rotate. The rotation of the power gear 7 drives the first transmission gear 701 and the second transmission gear 702 to rotate. The rotation of the power gear 7 drives the first grinding rod 501 to rotate. The first transmission gear 701 drives the second grinding rod 502 to rotate. The second transmission gear 702 drives the third grinding rod 503 to rotate, causing multiple second grinding blocks 504, first grinding blocks 505 and third grinding blocks 506 inside the grinding box 5 to rotate. The multiple second grinding blocks 504, first grinding blocks 505 and third grinding blocks 506 are staggered. The soil inside the grinding box 5 is ground by the multiple second grinding blocks 504, first grinding blocks 505 and third grinding blocks 506. After grinding, the soil falls into the discharge funnel 6 and is finally discharged through the valve 13 connected to the discharge funnel 6. The grinding and crushing of the soil is completed through the above technical solution.

[0029] Specifically, the grinding box 5 has a second grinding rod 502 rotatably embedded inside, and a plurality of second grinding blocks 504 are fixedly connected to the outer surface of the second grinding rod 502. One side of the outer surface of the first transmission gear 701 is fixedly connected to the second grinding rod 502.

[0030] Through the above technical solution, the first transmission gear 701 drives the second grinding rod 502 to rotate, and the second grinding rod 502 drives the second grinding block 504 to rotate.

[0031] Specifically, a third grinding rod 503 is rotatably embedded inside the grinding box 5, and multiple third grinding blocks 506 are fixedly connected to the outer surface of the third grinding rod 503. One side of the outer surface of the second transmission gear 702 is fixedly connected to the third grinding block 506.

[0032] Through the above technical solution, the second transmission gear 702 drives the third grinding rod 503 to rotate, and the third grinding rod 503 drives the third grinding rod 503 to rotate.

[0033] Specifically, a push motor plate 901 is fixedly connected to one side of the outer surface of the large rotating column 3, and a push motor 9 is provided on the top of the outer surface of the push motor plate 901. The output shaft of the push motor 9 is fixedly connected to the large rotating column 3.

[0034] Through the above technical solution, the large rotating column 3 is driven to rotate by the push motor 9, and the rotation of the large rotating column 3 drives the rotating blade 301 to rotate.

[0035] Specifically, a grinding motor plate 801 is fixedly connected to one side of the outer surface of the grinding box 5, and a grinding motor 8 is provided on the top of the outer surface of the grinding motor plate 801. The output shaft of the grinding motor 8 is fixedly connected to the power gear 7.

[0036] Through the above technical solution, by turning on the grinding motor 8, the grinding motor 8 rotates and drives the power gear 7 to rotate.

[0037] Specifically, a stirring motor 10 is fixedly connected to the bottom of the outer surface of the mixing chamber 2, and the output shaft of the stirring motor 10 is fixedly connected to the small rotating column 201. A feed inlet 204 is fixedly connected to the outer surface of the mixing chamber 2.

[0038] Through the above technical solution, the stirring motor 10 rotates to drive the small rotating column 201 to rotate, and the rotation of the small rotating column 201 drives the multiple large scrapers 202 and small scrapers 203 to rotate.

[0039] Specifically, feeding support columns 11 are fixedly connected to both sides of the outer surface of the feeding bin 1, and grinding support columns 12 are fixedly connected to both sides of the outer surface of the grinding box 5.

[0040] Through the above technical solution, multiple feeding support columns 11 support and fix the feeding bin 1, and multiple grinding support columns 12 support and fix the grinding box 5.

[0041] In use, the soil to be tested is fed into the mixing chamber 2 through the feed inlet 204 connected to the mixing chamber 2. The mixing chamber 2 is internally connected to the feed inlet 204. A small rotating column 201 is embedded inside the mixing chamber 2. Multiple large scrapers 202 and small scrapers 203 are fixedly connected to the outer surface of the small rotating column 201. The mixing motor 10 located at the top of the mixing chamber 2 is turned on. The output shaft of the mixing motor 10 is fixedly connected to the small rotating column 201. The rotation of the mixing motor 10 drives the small rotating column 201 to rotate, which in turn drives the multiple large scrapers 202 and small scrapers 203 to rotate. The rotation of the multiple small scrapers 203 and large scrapers 202 mixes and breaks up the soil inside the mixing chamber 2, preventing particles and clumps in the soil from forming. And any impurities that may be present, if not stirred, will have uneven distribution, affecting subsequent crushing and use. Simultaneously, multiple large scrapers 202 and small scrapers 203 scrape off the soil adhering to the inner wall of the mixing chamber 2. The crushed and stirred soil falls into the feeding chamber 1 through the mixing chamber 2. The mixing chamber 2 is fixed to the outer surface of the feeding chamber 1, and the interiors of the mixing chamber 2 and the feeding chamber 1 are connected. A large rotating column 3 is embedded inside the feeding chamber 1, and rotating blades 301 are fixedly connected to the outer surface of the large rotating column 3. By opening one side of the outer surface of the feeding chamber 1, a push motor 9 on the motor plate 901 is pushed. The output shaft of the push motor 9 is fixedly connected to the large rotating column 3. The rotation of the push motor 9 drives the large rotating column 3 to rotate. 3. The rotation drives the rotating blade 301 to rotate, which in turn stirs the soil again before pushing it out through the feeding column 4 connected to the feeding bin 1. This technical solution stirs and disperses the soil to prevent uneven distribution of particles, clumps, and potential impurities, which could affect subsequent crushing and use. Once the soil is stirred and dispersed, it falls into the grinding box 5 through the feeding column 4. The grinding box 5 contains a first grinding rod 501, a second grinding rod 502, and a third grinding rod 503. Multiple first grinding blocks 505 are fixedly connected to the outer surface of the first grinding rod 501, and multiple second grinding blocks 505 are fixedly connected to the outer surface of the second grinding rod 502. 04. Multiple third grinding blocks 506 are fixedly connected to the outer surface of the third grinding rod 503. A power gear 7, a first transmission gear 701, and a second transmission gear 702 are rotatably embedded inside the grinding box 5. The outer surface of the power gear 7 meshes with the first transmission gear 701, and simultaneously meshes with the second transmission gear 702. The power gear 7 is fixedly connected to the first grinding rod 501, the first transmission gear 701 is fixedly connected to the second grinding rod 502, and the second transmission gear 702 is fixedly connected to the third grinding rod 503. A grinding motor plate 801 is fixedly connected to one side of the outer surface of the power gear 7. A grinding motor 8 is located on the top of the grinding motor plate 801. The output shaft of the grinding motor 8 is fixedly connected to the power gear 7. By turning on the grinding motor 8…The grinding motor 8 rotates, driving the power gear 7 to rotate. The power gear 7 then drives the first transmission gear 701 and the second transmission gear 702 to rotate. The power gear 7 drives the first grinding rod 501 to rotate, which in turn drives the second grinding rod 502 to rotate. The second transmission gear 702 then drives the third grinding rod 503 to rotate, causing multiple second grinding blocks 504, first grinding blocks 505, and third grinding blocks 506 inside the grinding box 5 to rotate. These grinding blocks are staggered, grinding the soil inside the grinding box 5. The ground soil falls into the discharge hopper 6 and is then discharged through the valve 13 connected to the discharge hopper 6. This process completes the grinding and pulverization of the soil.

[0042] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A soil testing pulverizer, comprising a feeding hopper (1), characterized in that: The inside of the feeding bin (1) is provided with a dispersing component, and the bottom of the feeding bin (1) is provided with a crushing component; The dispersing assembly includes a mixing chamber (2), which is fixedly connected to the top of the outer surface of the feeding chamber (1). A small rotating column (201) is rotatably embedded inside the mixing chamber (2), and a plurality of large scrapers (202) are fixedly connected to the outer surface of the small rotating column (201). A plurality of small scrapers (203) are fixedly connected to the outer surface of the small rotating column (201). A large rotating column (3) is rotatably embedded inside the feeding chamber (1), and a rotating blade (301) is fixedly connected to the outer surface of the large rotating column (3). A discharge column (4) is fixedly connected to the outer surface of the feeding chamber (1). The grinding assembly includes a grinding box (5), and a first grinding rod (501) is rotatably embedded inside the grinding box (5). A plurality of first grinding blocks (505) are fixedly connected to the outer surface of the first grinding rod (501). A power gear (7) is rotatably embedded inside the grinding box (5). A first transmission gear (701) is rotatably embedded inside the grinding box (5), and the outer surface of the first transmission gear (701) meshes with the power gear (7). A second transmission gear (702) is rotatably embedded inside the grinding box (5), and the outer surface of the second transmission gear (702) meshes with the power gear (7). One side of the outer surface of the power gear (7) is fixedly connected to the first grinding rod (501). Baffles (507) are fixedly connected to both sides of the inner wall of the grinding box (5). A discharge funnel (6) is fixedly connected to the bottom of the outer surface of the grinding box (5), and a valve (13) is fixedly connected to the bottom of the outer surface of the discharge funnel (6).

2. The soil testing pulverizer according to claim 1, characterized in that: The grinding box (5) is internally fitted with a second grinding rod (502), and a plurality of second grinding blocks (504) are fixedly connected to the outer surface of the second grinding rod (502). One side of the outer surface of the first transmission gear (701) is fixedly connected to the second grinding rod (502).

3. The soil testing pulverizer according to claim 1, characterized in that: The grinding box (5) is internally fitted with a third grinding rod (503), and a plurality of third grinding blocks (506) are fixedly connected to the outer surface of the third grinding rod (503). One side of the outer surface of the second transmission gear (702) is fixedly connected to the third grinding block (506).

4. A soil testing pulverizer according to claim 1, characterized in that: A push motor plate (901) is fixedly connected to one side of the outer surface of the large rotating column (3), and a push motor (9) is provided on the top of the outer surface of the push motor plate (901). The output shaft of the push motor (9) is fixedly connected to the large rotating column (3).

5. A soil testing pulverizer according to claim 1, characterized in that: A grinding motor plate (801) is fixedly connected to one side of the outer surface of the grinding box (5), and a grinding motor (8) is provided on the top of the outer surface of the grinding motor plate (801). The output shaft of the grinding motor (8) is fixedly connected to the power gear (7).

6. A soil testing pulverizer according to claim 1, characterized in that: A stirring motor (10) is fixedly connected to the bottom of the outer surface of the stirring chamber (2), and the output shaft of the stirring motor (10) is fixedly connected to the small rotating column (201). A feed inlet (204) is fixedly connected to the outer surface of the stirring chamber (2).

7. A soil testing pulverizer according to claim 1, characterized in that: Feeding support columns (11) are fixedly connected to both sides of the outer surface of the feeding bin (1), and grinding support columns (12) are fixedly connected to both sides of the outer surface of the grinding box (5).

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