Plant disease soil sample analysis equipment

By designing the servo motor-driven dragon blades and transparent test paper reference box in the soil analysis equipment, the problem of unregulation of soil pH in the existing technology is solved, and the neutralization and recording of soil pH is achieved, and the occurrence of plant diseases is reduced. .

CN119086540APending Publication Date: 2024-12-06YANGGU COUNTY AGRI & RURAL AFFAIRS BUREAU (YANGGU COUNTY ANIMAL HUSBANDRY & VETERINARY BUREAU YANGGU COUNTY RURAL REVITALIZATION BUREAU)
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Patent Information

Application Number
CN202411163975.6
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2024-08-23
Publication Date
2024-12-06

AI Technical Summary

Technical Problem

Existing soil analysis equipment can only detect the pH of the soil, but cannot effectively regulate the pH of the soil, resulting in the occurrence of plant diseases in acidic or alkaline soils and lack of appropriate neutralization treatment methods.

Method used

A plant disease soil sample analysis equipment was designed, including a soil analysis table, sample placement component, pH detection test paper and feeding component. The skeleton blades driven by servo motors slowly sprinkle neutralizing substances onto the soil to regulate the pH of the soil. , and record the pH value through the transparent test paper reference box to determine the properties and content of the neutralizing substance.

Benefits of technology

It achieves neutralization of soil pH, meets plant growth needs, reduces the occurrence of plant diseases, provides detection and regulation methods for acidic and alkaline soils, and improves the practicality of soil analysis.

✦ Generated by Eureka AI based on patent content.

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Abstract

The invention discloses plant disease soil sample analysis equipment, and relates to the technical field of soil analysis, the plant disease soil sample analysis equipment comprises a soil analysis table, the front surface of the soil analysis table is provided with two mounting extraction grooves, the two mounting extraction grooves are internally provided with sample placement assemblies, the two sample placement assemblies comprise sample analysis vessels, and the sample analysis vessels are provided with sample detection devices; sample soil is placed in the two sample analysis vessels. According to the plant disease soil sample analysis equipment disclosed by the invention, a neutralizing substance is quantitatively added into a feeding hopper, so that the neutralizing substance enters a fixed cylinder through a feeding connecting pipe, and an output shaft of a servo motor is rotated by starting the servo motor, so that when an auger blade is driven to rotate, the neutralizing substance enters the fixed cylinder; a neutralizing substance added into the fixed cylinder is slowly scattered on the sample soil and permeates into the sample soil to realize neutralization of pH value.
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Description

Technical Field

[0001] The invention relates to the technical field of soil analysis, in particular to a plant disease soil sample analysis device. Background Art

[0002] Plant disease sample soil refers to samples collected from soil where plant diseases occur. When plants are attacked by various diseases, pathogenic microorganisms, plant residues, metabolites, etc. may exist in the soil. By collecting and analyzing plant disease sample soil, we can understand the pathogens in the soil, the causes of the disease, the types and quantities of soil microorganisms, and other information.

[0003] In the prior art, such as the Chinese patent publication number: CN116735261A, the application discloses a quantitative collection device for soil analysis in an agricultural greenhouse, including two top frame plates, inclined frame plates symmetrically distributed on both sides of the top frame plates, a collection structure 1 arranged on one side of the inclined frame plates, and a filling structure arranged on the other side of the inclined frame plates. A cross plate is fixedly connected between the two top frame plates, and a collection structure 2 is connected to the top of the top frame plates. The collection structure 2 includes two support blocks, which are respectively arranged at the top of the top frame plates, and the inner wall of the support block is provided with a slide groove, and a movable block is embedded in the slide groove, and a guide rod is connected to the inner side of the movable block, and the bottom end of the guide rod is connected to a hydraulic cylinder, and the output end of the hydraulic cylinder is connected to a linkage plate, and the bottom end of the linkage plate is equidistantly provided with a plurality of collection tubes 1. The present invention can collect soil evenly in a small area, has high collection efficiency, and performs filling operation after collection, and has high practicality.

[0004] In the prior art, there are many reasons for plant diseases, among which soil conditions also have an impact on the occurrence of plant diseases. When the pH of the soil is unbalanced, it will affect the disease resistance of the plant, which will easily cause the plant to develop diseases. When the acidity of the soil is too high, the acidic soil will cause the nutrient form in the soil to change, making it impossible for the plant to absorb sufficient nutrients. When the alkalinity of the soil is too high, the excessively high alkaline conditions will affect the activity of enzymes in the soil, thereby affecting the root respiration and nutrient conversion of the plant. However, when analyzing soil samples, the existing soil analysis equipment can only detect the pH of the soil. There is no corresponding treatment method for adjusting and neutralizing the soil with the detected pH, which is inconvenient when used. In response to the above problems, the present invention provides a plant disease soil sample analysis device. Summary of the invention

[0005] In view of the above problems, the present invention provides the following technical solutions: a plant disease soil sample analysis device, comprising: a soil analysis table, the front surface of the soil analysis table is provided with two installation drawer slots, the interiors of the two installation drawer slots are provided with sample placement components, the two sample placement components each include a sample analysis dish, the interiors of the two sample analysis dishes are provided with sample soil, and the edges of the two sample analysis dishes are provided with pH test papers; a feeding component, the two feeding components are provided with two, and the two feeding components are fixedly mounted on the top of the soil analysis table.

[0006] Preferably, anti-skid positioning blocks are fixedly installed near the four corners of the bottom of the soil analysis table, the cross-section of each anti-skid positioning block is L-shaped, and every two anti-skid positioning blocks are symmetrically arranged.

[0007] Preferably, the two sample analysis dishes are slidably connected to the inner walls of the two mounting grooves respectively, and the inner walls of the two mounting grooves are respectively fitted to the outer walls of the two sample placement components, and one of the sample soils is alkaline soil, and the other sample soil is acidic soil.

[0008] Preferably, the bottoms of the two sample analysis dishes are fixedly connected with pull-out bottom plates, and the front surfaces of the two pull-out bottom plates are fixedly mounted with pull plates.

[0009] Preferably, the inner walls of the two installation grooves are provided with pressing grooves near the top, the inner walls on both sides of the two pressing grooves are provided with mounting holes, and a pressing rod is movably connected between the inner walls of every two mounting holes.

[0010] Preferably, an anti-slip pressure strip is fixedly connected to the outer surface of the two pressure rods near the middle, and the pH test paper is arranged between the bottom of the anti-slip pressure strip and the inner wall of the pressure groove.

[0011] Preferably, a test paper reference box is fixedly installed on the top of the soil analysis table near the front surface, and the material used for the test paper reference box is a transparent material.

[0012] Preferably, a plurality of protective grooves are provided inside the test paper reference box, a plurality of erasable recording boards are attached to the top of the test paper reference box, and a pH test paper is placed on the inner wall of each of the protective grooves.

[0013] Preferably, the two feeding assemblies each include a mounting plate, both ends of the two mounting plates are fixedly connected to a support plate, a fixing cylinder is welded between the top ends of the two support plates, the tops of the two fixing cylinders are fixedly connected to a feed connecting pipe, and the top ends of the two feed connecting pipes are fixedly connected to a feed hopper.

[0014] Preferably, a servo motor is provided at one end of the two fixed cylinders through an auxiliary plate, the output shafts of the two servo motors are fixedly connected to a limiting block, one side of the two limiting blocks is fixedly connected to a center rotating rod, the other ends of the two center rotating rods pass through the outside of the fixed cylinder, and the outer surfaces of the two auger blades are in close contact with the inner walls of the two fixed cylinders respectively.

[0015] Compared with the prior art, the present invention has the following beneficial effects:

[0016] 1. When the present invention is in use, a neutralizing substance is quantitatively added into the feed hopper so that the neutralizing substance enters the fixed cylinder through the feed connecting pipe. The servo motor is started to rotate the output shaft of the servo motor, thereby driving the auger blade to rotate, so that the neutralizing substance added inside the fixed cylinder slowly falls on the sample soil, so that it penetrates into the sample soil to achieve pH neutralization. The limit block is connected to the central rotating rod and is arranged on the outside of the fixed cylinder, which can effectively prevent the central rotating rod from detaching from the fixed cylinder during rotation. When the sample soil is detected and analyzed to be acidic, the selected neutralizing substance is lime. When the sample soil is detected and analyzed to be alkaline, the selected neutralizing substance is humic acid. The pH of the soil is adjusted to meet the growth requirements of plants and reduce plant diseases.

[0017] 2. When the present invention is in use, the test paper reference box is made of a transparent material, and the pH test paper used as a reference is inserted into each protective groove, and the pH value is recorded on an erasable recording board. When the sample soil is mixed with the neutralizing substance, the pH value measured should be the same as the pH test paper in the protective groove, so as to analyze the properties and content of the neutralizing substance that needs to be added to the soil at that location, and effectively reduce the situation of plant diseases.

[0018] 3. When the present invention is in use, the sample placement component is inserted into the installation groove. At this time, the position of the sample analysis dish corresponds to the circular mouth of the installation groove. The two sample analysis dishes are used to place the acidic sample soil and the alkaline sample soil respectively. After the sample soil is added, the installation of the pressure rod is completed by inserting the two ends of the pressure rod into the two installation holes respectively. The installed pressure rod is placed inside the pressure groove. When detecting and analyzing the sample soil, it is necessary to lift the pressure rod so that one end of the pH test paper is pressed between the anti-slip pressure strip and the pressure groove. The test end of the pH test paper contacts the sample soil to realize the test of the pH of the sample soil. The sample soils with acidity and alkalinity tested are placed in the two sample analysis dishes respectively. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a front perspective view of a plant disease soil sample analysis device of the present invention.

[0020] Figure 2The present invention is a bottom-up stereoscopic diagram of a plant disease soil sample analysis device.

[0021] Figure 3 This is a three-dimensional diagram of the structure of a sample placement component of a plant disease soil sample analysis device according to the present invention.

[0022] Figure 4 This is a three-dimensional diagram of the structure of a soil analysis table of a plant disease soil sample analysis device according to the present invention.

[0023] Figure 5 For the present invention Figure 4 Enlarged view of point A in the middle.

[0024] Figure 6 The present invention is a side perspective view of a feeding component of a plant disease soil sample analysis device.

[0025] Figure 7 The present invention is a partial cross-sectional perspective view of a feeding component of a plant disease soil sample analysis device.

[0026] Figure 8 This is a three-dimensional diagram of the auger blade portion of a plant disease soil sample analysis device of the present invention.

[0027] Fig. 9 This is a partial three-dimensional diagram of a test paper reference box of a plant disease soil sample analysis device of the present invention.

[0028] In the figure:

[0029] 1. Soil analysis table; 2. Anti-skid positioning block; 3. Installation drawer slot; 4. Feeding assembly; 401. Mounting plate; 402. Support plate; 403. Fixing cylinder; 404. Feed connecting pipe; 405. Feed hopper; 406. Auger blade; 407. Center rotating rod; 408. Servo motor; 409. Limit block; 5. Sample placement assembly; 501. Pull-out bottom plate; 502. Pull plate; 503. Sample analysis dish; 504. Sample soil; 6. Press rod; 7. pH test paper; 8. Press slot; 9. Mounting hole; 10. Anti-skid pressure strip; 11. Test paper reference box; 12. Protective slot; 13. Erasable recording board. DETAILED DESCRIPTION

[0030] 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 implementation regulations described 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.

[0031] See also Figure 1-Figure 9The present invention provides a plant disease soil sample analysis device, comprising: a soil analysis table 1, wherein the front surface of the soil analysis table 1 is provided with two installation drawer slots 3, wherein the two installation drawer slots 3 are each provided with a sample placement component 5, wherein the two sample placement components 5 each include a sample analysis dish 503, wherein the two sample analysis dishes 503 are each provided with a sample soil 504, wherein the edges of the two sample analysis dishes 503 are each provided with a pH test paper 7; and a feeding component 4, wherein two feeding components 4 are provided, and the two feeding components 4 are both fixedly mounted on the top of the soil analysis table 1.

[0032] like Figure 1 , Figure 2 and Figure 3 As shown, anti-skid positioning blocks 2 are fixedly installed at the bottom of the soil analysis table 1 near the four corners. The cross-section of each anti-skid positioning block 2 is L-shaped, and every two anti-skid positioning blocks 2 are symmetrically arranged. The anti-skid effect of the anti-skid positioning blocks 2 prevents the soil analysis table 1 from slipping when placed on the table.

[0033] like Figure 1 and Figure 3 As shown, two sample analysis dishes 503 are respectively slidably connected to the inner walls of the two mounting grooves 3, and the inner walls of the two mounting grooves 3 are respectively fitted with the outer walls of the two sample placement components 5. One of the sample soils 504 is alkaline soil, and the other sample soil 504 is acidic soil. By inserting the sample placement component 5 into the mounting groove 3, the position of the sample analysis dish 503 at this time corresponds to the round mouth of the mounting groove 3. The two sample analysis dishes 503 are used to place the acidic sample soil 504 and the alkaline sample soil 504 respectively.

[0034] like Figure 1 , Figure 2 and Figure 3 As shown, the bottoms of the two sample analysis dishes 503 are fixedly connected with pull-out bottom plates 501, and the front surfaces of the two pull-out bottom plates 501 are fixedly installed with pull-out plates 502. After the pull-out bottom plates 501 are fully inserted, the pull-out plates 502 should be on the same plane as the front surface of the soil analysis platform 1.

[0035] like Figure 1 , Figure 3 , Figure 4 and Figure 5 As shown, the inner walls of the two mounting grooves 3 are provided with pressing grooves 8 near the top, and the inner walls on both sides of the two pressing grooves 8 are provided with mounting holes 9. A pressing rod 6 is movably connected between the inner walls of each two mounting holes 9. The installation of the pressing rod 6 is completed by inserting the two ends of the pressing rod 6 into the two mounting holes 9 respectively, wherein the pressing rod 6 is elastic and is placed inside the pressing groove 8 after installation.

[0036] like Figure 1 , Figure 3 , Figure 4 and Figure 5 As shown, the outer surfaces of the two pressure rods 6 are fixedly connected with anti-skid strips 10 near the middle, and the pH test paper 7 is arranged between the bottom of the anti-skid strip 10 and the inner wall of the pressure groove 8. When detecting and analyzing the sample soil 504, the pressure rod 6 needs to be lifted so that one end of the pH test paper 7 is pressed between the anti-skid strip 10 and the pressure groove 8, and the test end of the pH test paper 7 is in contact with the sample soil 504 to test the pH of the sample soil 504. The sample soils 504 that are acidic and alkaline are respectively placed in two sample analysis dishes 503.

[0037] like Figure 1 , Figure 3 and Fig. 9 As shown, a test paper reference box 11 is fixedly installed on the top of the soil analysis table 1 near the front surface. The material used for the test paper reference box 11 is a transparent material. The test paper reference box 11 is made of a transparent material, and a pH test paper 7 used as a reference is inserted into each protective groove 12.

[0038] like Figure 1 , Figure 3 and Fig. 9 As shown, a plurality of protective grooves 12 are provided inside the test paper reference box 11, and a plurality of erasable recording boards 13 are pasted on the top of the test paper reference box 11. A pH test paper 7 is placed on the inner wall of each protective groove 12, and the pH value is recorded on the erasable recording board 13. When the sample soil 504 is mixed with the neutralizing substance, the pH value measured should be the same as the pH test paper 7 in the protective groove 12, so as to analyze the properties and content of the neutralizing substance that needs to be added to the soil at that location, and effectively reduce the situation of plant diseases.

[0039] like Figure 1 , Figure 2 , Figure 6 and Figure 7 As shown, the two feeding components 4 include a mounting plate 401, both ends of the two mounting plates 401 are fixedly connected with a support plate 402, a fixed cylinder 403 is welded between the tops of the two support plates 402, the tops of the two fixed cylinders 403 are fixedly connected with a feed connecting pipe 404, and the tops of the two feed connecting pipes 404 are fixedly connected with a feed hopper 405. By installing the mounting plate 401 on the top of the soil analysis table 1 close to the sample analysis dish 503, the two support plates 402 support and fix the fixed cylinder 403, and by quantitatively adding neutralizing substances into the feed hopper 405, the neutralizing substances enter the fixed cylinder 403 through the feed connecting pipe 404. The structure of the feed hopper 405 that is wide at the top and narrow at the bottom can facilitate the addition of neutralizing substances.

[0040] like Figure 7 and Figure 8 As shown, one end of the two fixed cylinders 403 is provided with a servo motor 408 through an auxiliary plate, and the output shafts of the two servo motors 408 are fixedly connected to the limit blocks 409, and one side of the two limit blocks 409 is fixedly connected to the central rotating rod 407, and the other ends of the two central rotating rods 407 pass through the outside of the fixed cylinder 403, and the outer surfaces of the two auger blades 406 are respectively in close contact with the inner walls of the two fixed cylinders 403. By starting the servo motor 408, the output shaft of the servo motor 408 rotates, thereby driving the limit blocks 409 to rotate, and then driving the central rotating rod 407 to rotate. At this time, the outer surface of the auger blade 406 is in close contact with the inner wall of the fixed cylinder 403. Therefore, when the auger blade 406 rotates, the neutralizing substance added inside the fixed cylinder 403 is slowly sprinkled onto the sample soil 504, so that it penetrates into the sample soil 504 to achieve neutralization of the pH.

[0041] Working principle: When in use, first, place the soil analysis table 1 on the operating table, and use the anti-slip effect of the anti-slip positioning block 2 to prevent the soil analysis table 1 from slipping when placed on the table. Insert the sample placement component 5 into the installation groove 3. At this time, the position of the sample analysis dish 503 corresponds to the round mouth of the installation groove 3. After the pull-out bottom plate 501 is fully inserted, the pull plate 502 should be on the same plane as the front surface of the soil analysis table 1. The two sample analysis dishes 503 are used to place acidic sample soil 504 and alkaline sample soil 504 respectively. After the sample soil 504 is added, the installation of the pressure rod 6 is completed by inserting the two ends of the pressure rod 6 into the two installation holes 9 respectively, wherein the pressure rod 6 is elastic, and the installed pressure rod 6 is placed inside the pressure groove 8.

[0042] When testing and analyzing the sample soil 504, it is necessary to lift the pressure rod 6 so that one end of the pH test paper 7 is pressed between the anti-slip pressure strip 10 and the pressure groove 8, and the testing end of the pH test paper 7 contacts the sample soil 504 to test the pH of the sample soil 504. The sample soil 504 with acidity and alkalinity tested is placed in two sample analysis dishes 503 respectively. The pH test paper 7 is replaced as needed during the testing and analysis process. By installing the mounting plate 401 on the top of the soil analysis table 1 close to the pH test paper 7, the pH test paper 7 is placed in the two sample analysis dishes 503. Near the position of the sample analysis dish 503, two support plates 402 support and fix the fixed cylinder 403, and by quantitatively adding neutralizing material into the feed hopper 405, the neutralizing material enters the fixed cylinder 403 through the feed connecting pipe 404, and by starting the servo motor 408, the output shaft of the servo motor 408 rotates, thereby driving the limit block 409 to rotate, and then driving the central rotating rod 407 to rotate. At this time, the outer surface of the auger blade 406 is tightly fitted with the inner wall of the fixed cylinder 403, so when the auger blade 406 rotates, The neutralizing substance added inside the fixed cylinder 403 is slowly sprinkled onto the sample soil 504, so that it penetrates into the sample soil 504 to achieve neutralization of the pH value. The sample soil 504 needs to be wetted when placed in the sample analysis dish 503. The wetted sample soil 504 is more likely to allow the neutralizing substance to penetrate. The pH value of the sample soil 504 is adjusted to be closer to the plant planting site by natural static penetration. The limit block 409 is connected to the central rotating rod 407 and is arranged outside the fixed cylinder 403, which can effectively prevent the central rotating rod 407 from rotating from the fixed cylinder 403. The sample soil 504 is separated from the fixed cylinder 403. When the sample soil 504 is detected and analyzed to be acidic, the selected neutralizing substance is lime. Lime mainly refers to calcium hydroxide, which is alkaline and can neutralize the sample soil 504 to make it more suitable for plants. When the sample soil 504 is detected and analyzed to be alkaline, the selected neutralizing substance is humic acid. By adding organic matter with a high humic acid content, such as leaf mold or decomposed compost, the pH value of the soil can be improved, and generally no harm is caused to plants. The pH value of the soil is adjusted to meet the growth requirements of plants and reduce plant diseases.

[0043] In addition, the test paper reference box 11 is made of a transparent material, and a pH test paper 7 for reference is inserted into each protective groove 12, and the pH value is recorded on the erasable recording board 13. When the sample soil 504 is mixed with the neutralizing substance, the measured pH value should be the same as the pH test paper 7 in the protective groove 12, so as to analyze the properties and content of the neutralizing substance that needs to be added to the soil at that location, effectively reducing the situation of plant diseases.

[0044] The wiring diagram of the servo motor 408 in the present invention is common knowledge in the art, and its working principle is a known technology. The model is selected according to actual use, so the control method and wiring layout of the servo motor 408 will not be explained in detail.

Claims

1. A plant disease soil sample analysis device, characterized in that: include: A soil analysis table (1), wherein the front surface of the soil analysis table (1) is provided with two installation slots (3), the interiors of the two installation slots (3) are provided with sample placement components (5), the two sample placement components (5) each include a sample analysis dish (503), the interiors of the two sample analysis dishes (503) are provided with sample soil (504), and the edges of the two sample analysis dishes (503) are provided with pH test papers (7); A loading assembly (4), wherein two loading assemblies (4) are provided, and both of the two loading assemblies (4) are fixedly mounted on the top of the soil analysis platform (1).

2. The plant disease soil sample analysis device according to claim 1, characterized in that: Anti-skid positioning blocks (2) are fixedly installed near the four corners of the bottom of the soil analysis table (1); the cross section of each anti-skid positioning block (2) is L-shaped, and every two anti-skid positioning blocks (2) are symmetrically arranged.

3. The plant disease soil sample analysis device according to claim 2, characterized in that: The two sample analysis dishes (503) are respectively slidably connected to the inner walls of the two installation grooves (3), and the inner walls of the two installation grooves (3) are respectively fitted to the outer walls of the two sample placement components (5), one of the sample soils (504) is alkaline soil, and the other sample soil (504) is acidic soil.

4. The plant disease soil sample analysis device according to claim 3, characterized in that: The bottoms of the two sample analysis dishes (503) are fixedly connected to a pull-out bottom plate (501), and the front surfaces of the two pull-out bottom plates (501) are fixedly mounted with a pull plate (502).

5. The plant disease soil sample analysis device according to claim 4, characterized in that: The inner walls of the two installation grooves (3) are provided with pressing grooves (8) near the top, the inner walls on both sides of the two pressing grooves (8) are provided with mounting holes (9), and a pressing rod (6) is movably connected between the inner walls of each two mounting holes (9).

6. The plant disease soil sample analysis device according to claim 5, characterized in that: The outer surfaces of the two pressing rods (6) are fixedly connected with anti-skid pressure strips (10) near the middle, and the pH test paper (7) is arranged between the bottom of the anti-skid pressure strips (10) and the inner wall of the pressing groove (8).

7. The plant disease soil sample analysis device according to claim 6, characterized in that: A test paper reference box (11) is fixedly installed on the top of the soil analysis platform (1) near the front surface, and the material used for the test paper reference box (11) is a transparent material.

8. The plant disease soil sample analysis device according to claim 7, characterized in that: The test paper reference box (11) is provided with a plurality of protective grooves (12) inside, a plurality of erasable recording plates (13) are attached to the top of the test paper reference box (11), and a pH test paper (7) is placed on the inner wall of each protective groove (12).

9. The plant disease soil sample analysis device according to claim 8, characterized in that: The two feeding assemblies (4) each include a mounting plate (401), both ends of the two mounting plates (401) are fixedly connected to a support plate (402), a fixing tube (403) is welded between the top ends of the two support plates (402), the tops of the two fixing tubes (403) are fixedly connected to a feed connecting pipe (404), and the top ends of the two feed connecting pipes (404) are fixedly connected to a feed hopper (405).

10. The plant disease soil sample analysis device according to claim 9, characterized in that: A servo motor (408) is provided at one end of the two fixed cylinders (403) through an auxiliary plate, and the output shafts of the two servo motors (408) are fixedly connected to a limit block (409), and one side of the two limit blocks (409) is fixedly connected to a central rotating rod (407), and the other ends of the two central rotating rods (407) pass through the outside of the fixed cylinder (403), and the outer surfaces of the two auger blades (406) are in close contact with the inner walls of the two fixed cylinders (403) respectively.

Citation Information

Patent Citations

  • Quantitative collection equipment for soil analysis of agricultural greenhouse

    CN116735261A