Intelligent detection method and device based on forestry soil nutrients

Abstract

The invention discloses an intelligent detection method and device based on forestry soil nutrients, and relates to the technical field of soil detection, a soil detector and a vertical debugging mechanism are arranged on the rear side and the front side of the top of a carrier respectively, and a mounting frame is arranged on the front side of the vertical debugging mechanism; and the two sides of the inner cavity of the mounting frame are rotationally connected with the drilling barrel through bearings. According to the intelligent detection method and device based on the forestry soil nutrients, the automatic material picking and sampling mechanism, the crushing mechanism and the vibration screening mechanism are arranged among the carrier, the drilling barrel and the drilling shaft, so that when the drilling barrel, the drilling shaft and the auger blade are cooperatively used for sampling, the automatic material picking and sampling mechanism, the crushing mechanism and the vibration screening mechanism are cooperatively used for sampling; shallow soil easily containing gravel is automatically stripped, subsequent soil blocks are synchronously crushed and refined, the effect of conveniently preparing a solution is achieved, the refined soil is synchronously sieved, and it is avoided that a final sample contains large soil blocks.

Description

TECHNICAL FIELD

[0001] The application relates to the technical field of soil detection, in particular to an intelligent detection method and device based on forestry soil nutrients. BACKGROUND

[0002] Soil nutrients refer to essential nutrient elements provided by soil for crop growth, and the content of soil nutrients can be measured by soil testing instruments such as soil testing instruments and soil nutrient testers. Then, by comparing the soil nutrient abundance and deficiency indexes, the nutrient content of the land can be determined.

[0003] The existing soil testing instrument needs to take out a part of soil from the position to be detected before detecting the nutrients in the soil, and then places the sample solution made of the taken-out soil into the detection port of the soil testing instrument for detection.

[0004] Therefore, the application discloses an intelligent detection device and method based on forestry soil nutrients, which comprises a detection trolley, a soil testing instrument is installed on the top of the detection trolley, a drill cylinder is arranged on one side of the soil testing instrument, a drilling hole is formed through the positions opposite to the bottom of the drill cylinder, the opening of the drill cylinder faces downward, and the bottom edges of the drill cylinder are uniformly provided with sawteeth, a drill shaft is vertically and rotatably inserted into the center of the top of the drill cylinder, and the lower half of the surface of the drill shaft is provided with auger blades. When the sampling operation is performed by the drill cylinder, the pressure plate in the drill cylinder can perform extrusion operation on the soil under the action of the compression spring as the soil continuously enters the drill cylinder, so that the water content in the soil is reduced, the influence of the high water content of the soil on the detection of the nutrients of the soil is avoided, and the accuracy of the detection of the soil testing instrument is improved.

[0005] Although the above-mentioned device can reduce the water content and perform sampling detection, it still has some problems in actual use, such as the lack of a shallow soil stripping mechanism in the device, which causes the shallow soil containing sand and stones to be mixed with other deep soil, resulting in the mixing of soil and stone blocks, and the subsequent difficulty in separating the stone blocks and the soil for intelligent sampling detection. Therefore, the intelligent detection method and device based on forestry soil nutrients are proposed to solve the existing problems. SUMMARY

[0006] In view of the deficiencies of the prior art, the application provides an intelligent detection method based on forestry soil nutrients, which solves the problem that the lack of a shallow soil stripping mechanism in the device causes the sand and stones in the shallow soil to be easily mixed into the deep soil, resulting in the subsequent difficulty in separating the stone blocks and the soil for sampling detection.

[0007] In order to achieve the above object, the present application is realized by the following technical scheme: an intelligent detection method based on forestry soil nutrients, specifically comprising the following steps: Step one, reaching the designated sampling position: using the rear push rod of the carrier, the carrier is pushed to the designated sampling position, and the bottom drilling hole of the drill cylinder is aligned with the sampling position; Step two, soil sample drilling: through the vertical adjustment mechanism to lower the whole drill cylinder and the first servo motor to drive the automatic material-removing sampling mechanism, the drill cylinder removes the shallow layer of soil drilled and simultaneously removes the sample soil; Step three, soil sample crushing: the soil removed by the automatic material-removing sampling mechanism is crushed through the linkage of the drill cylinder and the crushing mechanism, so that the soil sample can be crushed; Step four, soil screening and discharging: the soil fine fragments crushed by the crushing mechanism and boosted by the discharging mechanism are linked with the drill cylinder and the screening mechanism, so that the soil is screened and discharged; Step five, soil detection: the container receives part of the sample from the bottom of the screening net plate and makes a sample solution into the detection port of the soil detector for detection.

[0008] The present application also discloses an intelligent detection device based on forestry soil nutrients, wherein the soil detector and the vertical adjustment mechanism are arranged on the rear side and the front side of the top of the carrier respectively, the front side of the vertical adjustment mechanism is provided with a mounting bracket, the mounting bracket is rotatably connected with the drill cylinder through bearings between the two sides of the inner cavity of the mounting bracket, the top of the mounting bracket is fixedly connected with a first servo motor through a support, the output shaft of the first servo motor is fixedly connected with a drill shaft through a coupling, one end of the drill shaft extends into the interior of the drill cylinder through the mounting bracket and the drill cylinder, the surface of the drill shaft and the interior of the drill cylinder are fixedly connected with an auger blade, the surface of the drill shaft and the top of the drill cylinder are fixedly connected with a first gear, the two sides of the top of the drill cylinder are fixedly connected with a second gear engaged with the first gear through a stand, the drill cylinder and the drill shaft are provided with an automatic material-removing sampling mechanism, the mounting bracket and the drill cylinder are provided with a crushing mechanism, and the crushing mechanism and the drill cylinder are provided with a screening mechanism.

[0009] Preferably, the automatic cull sampling mechanism comprises an upper discharge port and a lower discharge port, the upper discharge port and the lower discharge port are respectively communicated with two sides of the drill cylinder, a plurality of upper pusher plates matched with the upper discharge port are fixedly connected around the surface of the drill shaft and located inside the drill cylinder, a plurality of lower pusher plates matched with the lower discharge port are fixedly connected around the surface of the drill shaft and located at the bottom of the upper pusher plates, a movable load-bearing frame is slidably arranged on the surface of the drill cylinder, the top of the movable load-bearing frame is fixedly connected with a bent rod, one end of the bent rod is fixedly connected with an upper sealing plate slidably matched with the upper discharge port, the bottom of the movable load-bearing frame is fixedly connected with an arc-shaped ring, and the arc-shaped ring is fixedly connected with a lower sealing plate slidably matched with the lower discharge port.

[0010] Preferably, the crushing mechanism comprises a material collecting cover, the material collecting cover is arranged on the outer surface of the drill cylinder, and the two sides of the material collecting cover are fixedly connected with the two sides of the mounting frame inner cavity through supports, the top of the material collecting cover is fixedly connected with a ring cover, the inner wall of the ring cover is fixedly connected with a gear ring, the top of the ring cover is fixedly connected with a shielding hopper, a plurality of horizontal rods are fixedly connected around the outer surface of the drill cylinder at equal intervals, a rotating rod is rotatably arranged at one end of the horizontal rod through a bearing, a third gear meshing with the gear ring is fixedly connected to the surface of the rotating rod, a plurality of crushing cutters are fixedly connected around the surface of the rotating rod and located inside the material collecting cover at equal intervals, and a discharge port is formed in the bottom of the material collecting cover.

[0011] Preferably, the vibrating screen mechanism comprises a screening frame, the screening frame is slidably arranged at the bottom of the material collecting cover, a screening mesh plate is fixedly arranged at the bottom of the screening frame through bolts, an extrusion rod is fixedly arranged on one side of the material collecting cover through an ear plate, a rolling sleeve is rotatably arranged on the surface of the extrusion rod, and a plurality of arc-shaped pressing blocks matched with the rolling sleeve are fixedly connected around the outer surface of the drill cylinder at equal intervals.

[0012] Preferably, the vertical adjustment mechanism comprises a second servo motor and an auxiliary frame, the second servo motor and the auxiliary frame are both fixedly arranged on the top of the carrier, a threaded rod is fixedly connected to the output shaft of the second servo motor through a shaft coupling, the top of the threaded rod is rotatably connected with the top of the inner cavity of the auxiliary frame through a bearing, a threaded sleeve is threadedly connected to the surface of the threaded rod, and the front side of the threaded sleeve is fixedly connected with the rear side of the mounting frame through a support.

[0013] Preferably, first limiting sleeves are fixedly connected to the front side and the rear side of the discharge port of the material collecting cover through supports, first limiting rods are slidably connected in the interiors of the first limiting sleeves, one end of each of the two first limiting rods is fixedly connected with the front side and the rear side of the screening frame through a support, and a first return spring is fixedly connected between the first limiting rod and the first limiting sleeve.

[0014] Preferably, one side of the drill cylinder is fixedly connected with a second limiting sleeve through a support, the second limiting sleeve is slidably connected with a second limiting rod inside, and the bottom end of the second limiting rod is fixedly connected with the surface of the bent rod, and a second return spring is fixedly connected between the second limiting rod and the second limiting sleeve.

[0015] Preferably, the two sides of the front side of the auxiliary frame are both provided with a guide sliding groove, the guide sliding groove is slidably connected with a guide sliding block inside, and the front side of the guide sliding block is fixedly connected with the rear side of the mounting frame through a support.

[0016] Preferably, the two sides of the top of the carrier are both fixedly connected with an electric telescopic rod through a support, and the bottom of the extension end of the electric telescopic rod is fixedly connected with a bottom plate.

[0017] The application provides an intelligent detection method based on forestry soil nutrients. (1) The intelligent detection method and device based on forestry soil nutrients, by setting an automatic material removing and sampling mechanism, a crushing mechanism and a vibrating screen mechanism between the carrier, the drill cylinder and the drill shaft, the drill cylinder, the drill shaft and the auger blade can automatically strip the shallow soil containing sand stones and crush the subsequent soil blocks when sampling cooperatively, so as to facilitate the preparation of a solution and screen the refined soil to avoid the final sample containing large soil blocks.

[0018] (2) The intelligent detection method and device based on forestry soil nutrients, by setting an electric telescopic rod on the two sides of the top of the carrier and a bottom plate fixedly arranged at the bottom of the extension end of the electric telescopic rod, the carrier can drive the bottom plate to contact the ground after moving to a sampling site, so as to improve the stability of the device.

[0019] (3) The intelligent detection method and device based on forestry soil nutrients, by rotating a rolling sleeve on the surface of the extrusion rod, the rolling effect of the rolling sleeve can reduce the friction coefficient between the extrusion rod and the arc-shaped pressing blocks when the extrusion rod is extruded with the arc-shaped pressing blocks.

[0020] (4) The intelligent detection method and device based on forestry soil nutrients, by installing the screening mesh plate on the bottom of the screening frame through bolts, the screening mesh plate can be easily disassembled for centralized cleaning of the large soil blocks remaining in the screening frame. BRIEF DESCRIPTION OF DRAWINGS

[0021] Figure 1 It is a flowchart of the application; Figure 2 It is an external structure diagram of the application; Figure 3 is a bottom view of the aggregate cover structure of the present application; Figure 4 is a sectional view of the drill cylinder structure of the present application; Figure 5 is a schematic view of the automatic material removing and sampling mechanism structure of the present application; Figure 4 is a partial enlarged view at A in the present application; Figure 6 is a partial enlarged view at B in the present application; Figure 4 Figure 7 is a schematic view of the automatic material removing and sampling mechanism structure of the present application; Figure 8 is a partial enlarged view at C in the present application; Figure 4 Figure 9 is a top view of the ring cover internal structure of the present application; Figure 10 is a schematic view of the crushing mechanism structure of the present application; Figure 11 is a partial enlarged view at D in the present application; Figure 4 Figure 12 is a schematic view of the vibrating screen mechanism structure of the present application; Figure 13 is a schematic view of the first limiting sleeve internal structure of the present application.

[0022] In the figure: 1, carrier; 2, soil detector; 3, vertical adjustment mechanism; 301, second servo motor; 302, auxiliary frame; 303, threaded rod; 304, threaded sleeve; 4, mounting frame; 5, drill cylinder; 6, first servo motor; 7, drill shaft; 8, auger blade; 9, first gear; 10, automatic material removing and sampling mechanism; 101, upper discharge pipe opening; 102, lower discharge pipe opening; 103, upper material pushing plate; 104, lower material pushing plate; 105, movable load-bearing frame; 106, bent rod; 107, upper sealing plate; 108, arc-shaped ring; 109, lower sealing plate; 11, crushing mechanism; 111, aggregate cover; 112, ring cover; 113, gear ring; 114, shielding funnel; 115, cross rod; 116, rotating rod; 117, third gear; 118, crushing cutter; 119, discharge opening; 12, vibrating screen mechanism; 121, material screening frame; 122, material screening mesh plate; 123, extrusion rod; 124, rolling sleeve; 125, arc-shaped pressing block; 13, first limiting sleeve; 14, first limiting rod; 15, first return spring; 16, second limiting sleeve; 17, second limiting rod; 18, second return spring; 19, guide sliding slot; 20, guide sliding block; 21, electric telescopic rod; 22, bottom touch plate; 23, second gear. DETAILED DESCRIPTION

[0023] ​​​The technical solutions in the embodiments of the present application will be clearly and completely described with reference to the drawings in the embodiments of the present application.

[0024] Please refer to Figures 1-13 The present application provides a technical solution: an intelligent detection method based on forestry soil nutrients, using an intelligent detection device based on forestry soil nutrients, which specifically comprises the following steps: Step one, reaching the designated sampling position: use the rear push rod of the carrier 1 to push the carrier 1 to the designated sampling position, and align the bottom drilling port of the drill cylinder 5 with the sampling position; Step two, soil sample drilling: through the vertical adjustment mechanism 3 to lower the entire drill cylinder 5 and the first servo motor 6 to drive the automatic material removal sampling mechanism 10, the drill cylinder 5 is prompted to discharge the shallow layer of soil and retain the sample soil; The specific operation mode is: start the second servo motor 301 and the first servo motor 6, the second servo motor 301 drives the threaded rod 303 to rotate, prompting the threaded sleeve 304 on the surface of the threaded rod 303 to drive the mounting frame 4 and the entire drill cylinder 5 to descend, the first servo motor 6 is started to drive the drill shaft 7 and the auger blade 8 to rotate, after the drill cylinder 5 and the auger blade 8 contact the ground, the drill shaft 7 will also drive the drill cylinder 5 and the auger blade 8 to rotate and descend, and the auger blade 8 will twist the soil sample into blocks and spiral transmit them to the inside of the drill cylinder 5; When the drill shaft 7 drives the auger blade 8 to rotate, it will also drive the upper and lower material pushing plates 103 and 104 to rotate and push, the soil in the shallowest layer is spirally introduced into the inside of the drill cylinder 5, and when passing through the upper material pushing plate 103, it will be pushed by the upper material pushing plate 103 to the upper material discharge port 101 and discharged to the inside of the movable load-bearing frame 105 through the upper material discharge port 101, as the load-bearing inside the movable load-bearing frame 105 increases, the movable load-bearing frame 105 automatically descends, the movable load-bearing frame 105 drives the upper and lower sealing plates 107 and 109 to move downward, the upper sealing plate 107 moves downward to block the upper material discharge port 101, and the lower sealing plate 109 moves downward to unblock the lower material discharge port 102, when the lower material discharge port 102 is unblocked, the lower material pushing plate 104 will orderly transmit the soil after removing the surface layer to the inside of the lower material discharge port 102 through pushing, and discharge the soil in the lower material discharge port 102 to the inside of the material collecting cover 111; Step three, soil sample crushing: the soil removed by the automatic material removal sampling mechanism 10 will be linked through the drill cylinder 5 and the crushing mechanism 11, so that the soil sample can be crushed; Specific operation mode is: the rotation of the drill cylinder 5 synchronous belt drive several horizontal rod 115 rotation, horizontal rod 115 drive the rotation of the rod 116 and the third gear 117 circumferential movement, third gear 117 circumferential movement and gear ring 113 meshing, make the third gear 117 circumferential movement during their own can also be rotated, the third gear 117 rotation with the rod 116 as the medium drive the rotation of the pulverizer 118 crushing operation, the rotation of the pulverizer 118 circumferential movement and rotation of the soil into the collection cover 111 inside the crushing and circumferential moving operation, the crushed soil block after the crushing and moving of the pulverizer 118, from the discharge port 119 under the load; Step four, soil vibration screen discharge: the soil crushed and boost the discharge of the crushing mechanism 11, through the drill cylinder 5 and the linkage of the screen mechanism 12, make the soil screening discharge; Specific operation mode is: the crushed soil block will fall into the inner cavity of the sieve frame 121 and sieve screen plate 122, second drill cylinder 5 and drill shaft 7 reverse rotation during, drill cylinder 5 synchronous drive several arc-shaped block 125 rotation, several arc-shaped block 125 composed of fluctuation path, will constantly extrude the rolling sleeve 124 and extrusion rod 123, make the extrusion rod 123 drive the sieve frame 121 and sieve screen plate 122 move, because the sieve frame 121 and the collection cover 111 between the first limiting rod 14, first limiting sleeve 13 and first reset spring 15, therefore, the sieve frame 121 and sieve screen plate 122 also constantly reset movement, so as to form reciprocating sieve; Step five, soil detection: using the container from the bottom of the sieve screen plate 122 to accept part of the sample, and make sample solution into the soil detector 2 detection port detection.

[0025] The soil detector 2 and the vertical debugging mechanism 3 are arranged on the rear side and the front side of the top of the carrier 1 respectively, as explained in detail: the soil detector 2 is a soil nutrient detector with the model of HM-TYB, the front side of the vertical debugging mechanism 3 is provided with a mounting frame 4, the two sides of the inner cavity of the mounting frame 4 are rotatably connected with a drill cylinder 5 through bearings, the top of the mounting frame 4 is fixedly connected with a first servo motor 6 through a support, the output shaft of the first servo motor 6 is fixedly connected with a drill shaft 7 through a shaft coupling, one end of the drill shaft 7 extends into the inside of the drill cylinder 5 through the mounting frame 4 and the drill cylinder 5 in sequence, a screw flight 8 is fixedly connected to the surface of the drill shaft 7 and located in the inside of the drill cylinder 5, a first gear 9 is fixedly connected to the surface of the drill shaft 7 and located at the top of the drill cylinder 5, the two sides of the top of the drill cylinder 5 are fixedly connected with second gears 23 engaged with the first gear 9 through stand columns, the vertical debugging mechanism 3 comprises a second servo motor 301 and an auxiliary frame 302, the second servo motor 301 and the auxiliary frame 302 are both fixedly arranged on the top of the carrier 1, the output shaft of the second servo motor 301 is fixedly connected with a threaded rod 303 through a shaft coupling, the top of the threaded rod 303 is rotatably connected with the top of the inner cavity of the auxiliary frame 302 through a bearing, a threaded sleeve 304 is threadedly connected to the surface of the threaded rod 303, and the front side of the threaded sleeve 304 is fixedly connected with the rear side of the mounting frame 4 through a support, the front side of the auxiliary frame 302 is provided with guide sliding grooves 19 on the two sides, guide sliding blocks 20 are slidably connected in the guide sliding grooves 19, and the front side of the guide sliding blocks 20 is fixedly connected with the rear side of the mounting frame 4 through a support.

[0026] The two sides of the top of the carrier 1 are fixedly connected with electric telescopic rods 21 through supports, and the bottom of the extended end of the electric telescopic rod 21 is fixedly connected with a bottom touch plate 22.

[0027] As a preferred embodiment: in order to facilitate the stripping of the shallow soil containing sand during sampling process, the automatic material removing and sampling mechanism 10 is arranged on the drill cylinder 5 and the drill shaft 7, the automatic material removing and sampling mechanism 10 comprises an upper material discharging port 101 and a lower material discharging port 102, the upper material discharging port 101 and the lower material discharging port 102 are respectively connected to the two sides of the drill cylinder 5, a plurality of upper material pushing plates 103 matched with the upper material discharging port 101 are fixedly connected at equal intervals on the surface of the drill shaft 7 and inside the drill cylinder 5, a plurality of lower material pushing plates 104 matched with the lower material discharging port 102 are fixedly connected at equal intervals on the surface of the drill shaft 7 and at the bottom of the upper material pushing plates 103, a movable load-bearing frame 105 is slidingly arranged on the surface of the drill cylinder 5, a bent rod 106 is fixedly connected to the top of the movable load-bearing frame 105, an upper sealing plate 107 slidingly matched with the upper material discharging port 101 is fixedly connected to one end of the bent rod 106, an arc-shaped ring 108 is fixedly connected to the bottom of the movable load-bearing frame 105, a lower sealing plate 109 slidingly matched with the lower material discharging port 102 is fixedly connected between the two ends of the arc-shaped ring 108, a second limiting sleeve 16 is fixedly connected to one side of the drill cylinder 5 through a support, a second limiting rod 17 is slidingly connected in the second limiting sleeve 16, and the bottom end of the second limiting rod 17 is fixedly connected to the surface of the bent rod 106, a second return spring 18 is fixedly connected between the second limiting rod 17 and the second limiting sleeve 16.

[0028] As a preferred embodiment: in order to facilitate the crushing and refining of the soil sample, the crushing mechanism 11 is arranged on the mounting frame 4 and the drill cylinder 5, the crushing mechanism 11 comprises a material collecting cover 111, the material collecting cover 111 is arranged on the outer surface of the drill cylinder 5, and the two sides of the material collecting cover 111 are fixedly connected to the two sides of the inner cavity of the mounting frame 4 through supports, a ring cover 112 is fixedly connected to the top of the material collecting cover 111, a gear ring 113 is fixedly connected to the inner wall of the ring cover 112, a shielding hopper 114 is fixedly connected to the top of the ring cover 112, a plurality of horizontal rods 115 are fixedly connected at equal intervals on the outer surface of the drill cylinder 5, a rotating rod 116 is rotatably arranged at one end of the horizontal rod 115 through a bearing, a third gear 117 meshing with the gear ring 113 is fixedly connected to the surface of the rotating rod 116, a plurality of crushing cutters 118 are fixedly connected at equal intervals on the surface of the rotating rod 116 and inside the material collecting cover 111, and a discharging port 119 is formed in the bottom of the material collecting cover 111.

[0029] As a preferred embodiment: in order to facilitate the screening of the crushed soil, so as to better make solution for detection, the crushing mechanism 11 and the drill cylinder 5 are jointly provided with a vibrating screen mechanism 12, the vibrating screen mechanism 12 comprises a screening frame 121, the screening frame 121 is slidingly arranged at the bottom of the material collecting cover 111, the bottom of the screening frame 121 is fixedly provided with a screening mesh plate 122 through bolts, one side of the material collecting cover 111 is fixedly provided with an extrusion rod 123 through an ear plate, the surface of the extrusion rod 123 is rotatably provided with a rolling sleeve 124, the outer surface of the drill cylinder 5 is fixedly connected with a plurality of arc-shaped pressing blocks 125 which are used in cooperation with the rolling sleeve 124 at equal intervals, the bottom of the material collecting cover 111 and located at the front side and the rear side of the discharge port 119 are fixedly connected with first limiting sleeves 13 through supports, the first limiting sleeves 13 are slidingly connected with first limiting rods 14, one end of the two first limiting rods 14 is fixedly connected with the front side and the rear side of the screening frame 121 through supports, and the first limiting rods 14 and the first limiting sleeves 13 are fixedly connected with first return springs 15.

Claims

1. An intelligent detection method based on forestry soil nutrients, characterized in that: Specifically comprising the following steps: Step one, reaching the designated sampling position: using the rear push rod of the carrier (1), pushing the carrier (1) to the designated sampling position, and aligning the bottom drill hole of the drill cylinder (5) with the sampling position; Step two, soil sample drilling: through the descent of the drill cylinder (5) as a whole by the vertical adjustment mechanism (3) and the driving of the automatic waste removal and sampling mechanism (10) by the first servo motor (6), the drill cylinder (5) is prompted to remove the shallow soil drilled and simultaneously retain the sample soil; Step three, soil sample crushing: the soil removed by the automatic waste removal and sampling mechanism (10) is linked with the crushing mechanism (11) through the drill cylinder (5), prompting the soil sample to be crushed; Step four, soil screening and discharging: the crushed and boosted soil fragments are linked with the screening mechanism (12) through the drill cylinder (5), prompting the soil to be screened and discharged; Step five, soil detection: using a container to receive part of the sample from the bottom of the screening mesh (122), and making a sample solution to be placed in the detection port of the soil detector (2) for detection.

2. An intelligent detection device based on forestry soil nutrients, applied to the intelligent detection method based on forestry soil nutrients in claim 1, characterized in that: The soil detector (2) and the vertical adjustment mechanism (3) are respectively arranged on the rear side and the front side of the top of the carrier (1), the front side of the vertical adjustment mechanism (3) is provided with a mounting bracket (4), the mounting bracket (4) is rotatably connected with the drill cylinder (5) between the two sides of the inner cavity of the mounting bracket (4) through a bearing, the top of the mounting bracket (4) is fixedly connected with the first servo motor (6) through a support, and the output shaft of the first servo motor (6) is fixedly connected with the drill shaft (7) through a coupling, one end of the drill shaft (7) extends into the inside of the drill cylinder (5) by penetrating the mounting bracket (4) and the drill cylinder (5) in sequence, the surface of the drill shaft (7) and located in the inside of the drill cylinder (5) is fixedly connected with the auger blade (8), the surface of the drill shaft (7) and located at the top of the drill cylinder (5) is fixedly connected with the first gear (9), the two sides of the top of the drill cylinder (5) are fixedly connected with the second gear (23) engaged with the first gear (9) through a stand, the drill cylinder (5) and the drill shaft (7) are jointly provided with the automatic waste removal and sampling mechanism (10), the mounting bracket (4) and the drill cylinder (5) are jointly provided with the crushing mechanism (11), and the crushing mechanism (11) and the drill cylinder (5) are jointly provided with the screening mechanism (12).

3. The intelligent device for detecting forestry soil nutrients according to claim 2, characterized in that: The automatic material removing sampling mechanism (10) comprises an upper discharging nozzle (101) and a lower discharging nozzle (102), the upper discharging nozzle (101) and the lower discharging nozzle (102) are communicated with two sides of the drill cylinder (5) respectively, a plurality of upper material pushing plates (103) matched with the upper discharging nozzle (101) are fixedly connected at equal intervals on the surface of the drill shaft (7) and inside the drill cylinder (5), a plurality of lower material pushing plates (104) matched with the lower discharging nozzle (102) are fixedly connected at equal intervals on the surface of the drill shaft (7) and at the bottom of the upper material pushing plates (103), a movable bearing frame (105) is slidably arranged on the surface of the drill cylinder (5), a bent rod (106) is fixedly connected to the top of the movable bearing frame (105), an upper sealing plate (107) slidably matched with the upper discharging nozzle (101) is fixedly connected to one end of the bent rod (106), an arc-shaped ring (108) is fixedly connected to the bottom of the movable bearing frame (105), and a lower sealing plate (109) slidably matched with the lower discharging nozzle (102) is fixedly connected between the two ends of the arc-shaped ring (108).

4. The intelligent device for detecting forestry soil nutrients according to claim 2, characterized in that: The crushing mechanism (11) comprises a material collecting cover (111), the material collecting cover (111) is arranged on the outer surface of the drill cylinder (5), and the two sides of the material collecting cover (111) are fixedly connected to the inner cavities of the two sides of the mounting frame (4) through supports; a ring cover (112) is fixedly connected to the top of the material collecting cover (111); a gear ring (113) is fixedly connected to the inner wall of the ring cover (112); a shielding funnel (114) is fixedly connected to the top of the ring cover (112); a plurality of horizontal rods (115) are fixedly connected at equal intervals on the outer surface of the drill cylinder (5); a rotating rod (116) is rotatably arranged at one end of the horizontal rod (115) through a bearing; a third gear (117) engaged with the gear ring (113) is fixedly connected to the surface of the rotating rod (116); a plurality of crushing cutters (118) are fixedly connected at equal intervals on the surface of the rotating rod (116) and inside the material collecting cover (111); and a discharging port (119) is formed in the bottom of the material collecting cover (111).

5. The intelligent device for detecting forestry soil nutrients according to claim 4, characterized in that: The vibrating screen mechanism (12) comprises a screening frame (121), the screening frame (121) is slidably arranged at the bottom of the material collecting cover (111), a screening mesh plate (122) is fixedly arranged at the bottom of the screening frame (121) through bolts, an extrusion rod (123) is fixedly arranged on one side of the material collecting cover (111) through an ear plate, a rolling sleeve (124) is rotatably arranged on the surface of the extrusion rod (123), and a plurality of arc-shaped pressing blocks (125) matched with the rolling sleeve (124) are fixedly connected at equal intervals on the outer surface of the drill cylinder (5).

6. The intelligent device for detecting forestry soil nutrients according to claim 2, characterized in that: The vertical debugging mechanism (3) includes a second servo motor (301) and an auxiliary frame (302), the second servo motor (301) and the auxiliary frame (302) are fixedly arranged on the top of the carrier (1), the output shaft of the second servo motor (301) is fixedly connected with a threaded rod (303) through a shaft coupling, the top of the threaded rod (303) is rotatably connected with the inner cavity top of the auxiliary frame (302) through a bearing, the surface of the threaded rod (303) is threadedly connected with a threaded sleeve (304), and the front side of the threaded sleeve (304) is fixedly connected with the rear side of the mounting frame (4) through a support.

7. The intelligent device for detecting forestry soil nutrients according to claim 5, characterized in that: The bottom of the aggregate cover (111) and the front side and the rear side of the discharge port (119) are fixedly connected with first limiting sleeves (13) through supports, the first limiting sleeves (13) are internally and slidably connected with first limiting rods (14), one end of the two first limiting rods (14) is fixedly connected with the front side and the rear side of the screening frame (121) through supports, and the first limiting rods (14) and the first limiting sleeves (13) are fixedly connected with first return springs (15).

8. The intelligent device for detecting forestry soil nutrients according to claim 3, characterized in that: One side of the drill cylinder (5) is fixedly connected with a second limiting sleeve (16) through a support, the second limiting sleeve (16) is internally and slidably connected with a second limiting rod (17), and the bottom end of the second limiting rod (17) is fixedly connected with the surface of the bent rod (106), the second limiting rod (17) and the second limiting sleeve (16) are fixedly connected with a second return spring (18).

9. The intelligent device for detecting soil nutrients in forestry according to claim 6, characterized in that: The front side of the auxiliary frame (302) is provided with guide sliding grooves (19) on both sides, the guide sliding grooves (19) are internally and slidably connected with guide sliding blocks (20), and the front side of the guide sliding blocks (20) is fixedly connected with the rear side of the mounting frame (4) through a support.

10. The intelligent device for detecting soil nutrients in forestry according to claim 2, characterized in that: The top of the carrier (1) is fixedly connected with electric telescopic rods (21) on both sides through supports, and the bottom of the extension end of the electric telescopic rod (21) is fixedly connected with a bottom touch plate (22).

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