Land reclamation fertility increasing device

Abstract

The invention discloses a land reclamation fertilizing device, and relates to the technical field of land reclamation, the device comprises a box body, one side wall of the box body is provided with a box door, the lower end of the inner wall of the box body is provided with a screening frame, and the lower end of the box body between the screening frame and the box door is provided with a bearing plate; an opening is formed in the upper end of the side wall, close to the box door, of the screening frame, a screening net is obliquely arranged in the screening frame, and a water and fertilizer spraying mechanism is arranged in the portion, below the screening net, of the screening frame. Soil is loosened through the rotary tillage knife roller, along with movement of the box body, the soil is moved to the conveying belt through the guide block, the conveying belt conveys the soil to the screening net in the screening frame to be screened, stone in the soil is screened out, the land reclamation efficiency is improved, meanwhile, when the screened soil falls down in the screening frame, the soil is prevented from falling off, and the soil is prevented from falling off. The water-fertilizer liquid is sprayed to the soil through the conveying branch pipes and the nozzles, so that the soil and the water-fertilizer liquid can be uniformly mixed, and the land is fertilized.

Description

Technical Field

[0001] The present invention relates to the technical field of land reclamation, specifically a land reclamation and fertilization device. Background Technique

[0002] Land reclamation refers to the activity of taking rectification measures on the land damaged due to production and construction activities or natural disasters to restore it to a state where it can be utilized. This process aims to restore the economic value and ecological functions of the land while improving the surrounding environment.

[0003] There are often a large number of crushed stones in the reclaimed soil. The existence of these crushed stones is very unfavorable for the development and cultivation of the soil. The efficiency of separating crushed stones from the existing soil is relatively low, usually screening little by little, which is not convenient for users.

[0004] At the same time, the reclaimed soil also needs to be sprayed with various agents. The existing spraying method only sprays the surface of the soil and cannot fully mix the soil with various agents such as water and fertilizer solution, resulting in low efficiency.

[0005] In view of the above problems, an improved land reclamation and fertilization device is now designed. Summary of the Invention

[0006] The purpose of the present invention is to provide a land reclamation and fertilization device to solve the problems raised in the above background technique.

[0007] To achieve the above purpose, the present invention provides the following technical solutions:

[0008] A land reclamation and fertilization device includes a box body. A box door is installed on one of the side walls of the box body. The lower end of the box body is open. A screening frame is installed at the lower end of the inner wall of the box body. A bearing plate is installed at the lower end of the box body between the screening frame and the box door. The bearing plate, the screening frame, the box body, and the box door form a space for storing stones. An opening is provided at the upper end of the side wall of the screening frame close to the box door. A screening net for screening soil is inclined inside the screening frame. The lower end of the screening net is arranged below the opening. Rubber connecting pieces for facilitating the vibration of the screening net are installed on the side wall of the screening net. The side wall of the rubber connecting piece away from the screening net is installed on the inner wall of the screening frame. A vibration screening mechanism for vibrating the screening net is arranged on the screening net. A water and fertilizer spraying mechanism for evenly spraying water and fertilizer solution onto the soil is arranged inside the screening frame below the screening net. A soil conveying mechanism for conveying the soil onto the screening net is arranged inside the box body on the side away from the box door of the screening frame. A moving mechanism for pulling and moving the box body is arranged on the side wall of the box body.

[0009] As a further solution of the present invention: The vibration screening mechanism includes four elastic telescopic rods, and the output ends of the four elastic telescopic rods are respectively installed at the four corners of the upper end of the screening net. The elastic telescopic rods are installed on the inner wall of the screening frame. Inside the screening frame below the screening net, a rotating rod is horizontally arranged. The rotating rod is parallel to the opening. One end of the rotating rod is installed with a hydraulic motor for driving the rotating rod to rotate. The end of the rotating rod away from the hydraulic motor is rotatably connected to the inner wall of the screening frame. Cams are installed on the side walls at both ends of the rotating rod. Vertically installed on the lower end of the screening net are vibrating rods that cooperate with the cams, and the lower ends of the vibrating rods are closely attached to the side walls of the cams.

[0010] As a further solution of the present invention: The water and fertilizer spraying mechanism includes a water and fertilizer tank, which is installed at the upper end of the box body. At the lower end of the side wall of the water and fertilizer tank, a water delivery pipe is installed. On the water delivery pipe, a water pump is provided for delivering the water and fertilizer inside the water and fertilizer tank into the water delivery pipe. The water pump is installed at the upper end of the box body. The end of the water delivery pipe away from the water and fertilizer tank passes through the side walls of the box body and the screening frame and is horizontally installed with a main delivery pipe. The main delivery pipe is horizontally installed on the inner wall of the screening frame below the screening net. The main delivery pipe is perpendicular to the rotating rod. Horizontally installed on the side wall of the main delivery pipe are several delivery branch pipes. The delivery branch pipes are perpendicular to the main delivery pipe. The end of the delivery branch pipe away from the main delivery pipe is horizontally installed on the inner wall of the screening frame. Installed on the side wall of the delivery branch pipe are several nozzles for spraying the water and fertilizer. On the rotating rod, an anti-blocking cleaning component is provided for cleaning the nozzles.

[0011] As a further solution of the present invention: The water delivery pipe is fixedly installed on the side wall of the box body through a pipe clamp.

[0012] As a further solution of the present invention: The anti-blocking cleaning component includes a reciprocating screw rod, which is installed on the side wall of the rotating rod between the two cams. Above the reciprocating screw rod, a triangular baffle is provided for preventing soil from falling onto the reciprocating screw rod. Horizontally installed on the side wall of the triangular baffle is a connecting rod. The end of the connecting rod away from the triangular baffle is horizontally installed on the inner wall of the screening frame. The side wall of the reciprocating screw rod is rotationally connected with a moving block through a thread. The upper end of the moving block moves along the lower end of the triangular baffle. Horizontally installed at the lower end of the moving block is a mounting plate. The mounting plate is perpendicular to the delivery branch pipe. Installed at the lower end of the mounting plate is a cleaning frame for cleaning the delivery branch pipe and the nozzles. The cleaning frame is sleeved on the side wall of the delivery branch pipe.

[0013] As a further solution of the present invention: The upper end of the moving block is installed with balls to facilitate the movement of the moving block along the lower end of the triangular baffle.

[0014] As a further scheme of the present invention: the soil conveying mechanism includes a conveyor belt, which is obliquely arranged inside the box body on the side of the screening frame away from the box door, the rotating shaft of the conveying roller of the conveyor belt is rotatably connected to the side wall of the box body, the rotating shaft of the conveyor belt is driven by a hydraulic motor, the upper end of the conveyor belt is arranged above the screening frame, and the lower end of the conveyor belt extends out of the bottom of the box body, and a conveying plate for lifting and conveying soil is installed on the side wall of the conveyor belt, the input end of the conveyor belt is provided with a guide block for guiding the soil, both ends of the guide block are vertically installed with support plates, the upper end of the support plate is installed at the lower end of the box body, and a rotary tillage roller for loosening the soil and conveying the soil to the guide block is installed at the bottom of the box body on the side of the guide block away from the screening frame, the rotating shaft of the rotary tillage roller is rotatably connected to the side wall of the box body, the rotating shaft of the rotary tillage roller is driven by a hydraulic motor, and the lower end of the rotary tillage roller, the lower end of the guide block, and the lower end of the conveyor belt are on the same plane.

[0015] As a further solution of the present invention: the moving mechanism includes a support frame, which is sleeved on the side wall of the box body, and the side wall of the support frame is equipped with moving wheels for facilitating the movement of the device, and the end of the support frame away from the box door is equipped with a pulling rod connected to the tractor, and a plurality of hydraulic telescopic rods are installed on the upper end of the support frame, and the output end of the hydraulic telescopic rod is equipped with a fixed plate, and the fixed plate is installed on the upper end of the side wall of the box body. The side wall of the box body and the inner wall of the support frame are connected in a limited sliding manner by a slide rail.

[0016] As a further solution of the present invention: the screening frame and the bearing plate are fixedly connected to the box body by welding.

[0017] As a further solution of the present invention: reinforcing support ribs for improving the structural strength of the support frame are installed on the side walls of the support frame.

[0018] Compared with the prior art, the present invention has the following beneficial effects:

[0019] The present invention loosens the soil by means of a rotary tillage roller, and then moves the soil to a conveyor belt through a guide block as the box moves. The conveyor belt transports the soil to a screening net inside a screening frame for screening, thereby screening out stones in the soil and effectively improving the efficiency of land reclamation.

[0020] At the same time, when the screened soil falls inside the screening frame, water and fertilizer liquid is sprayed on the soil through the delivery pipe and the nozzle, so that the soil and the water and fertilizer liquid can be evenly mixed, effectively fertilizing the land. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 It is a schematic diagram of the main structure of the present invention.

[0022] Figure 2 Schematic diagram of the rear view structure of the present invention.

[0023] Figure 3 Schematic diagram of the structure of the soil conveying mechanism in the present invention.

[0024] Figure 4 Schematic diagram of the structure of the vibration screening mechanism in the present invention.

[0025] Figure 5 Schematic diagram of the structure of the anti-blocking cleaning component in the present invention.

[0026] Figure 6 Schematic diagram of the structure of the water and fertilizer spraying mechanism in the present invention.

[0027] Wherein: 1, box body; 2, box door; 3, moving wheels; 4, hydraulic telescopic rod; 5, support frame; 6, support plate; 7, pulling rod; 8, water and fertilizer tank; 9, fixing plate; 10, water pump; 11, water delivery pipe; 12, rotary tillage knife roller; 13, guide block; 14, conveyor belt; 15, screening frame; 16, screening mesh; 17, opening; 18, conveying plate; 19, elastic telescopic rod; 20, rubber connecting piece; 21, triangular stop block; 22, vibrating rod; 23, connecting rod; 24, hydraulic motor; 25, reciprocating screw; 26, moving block; 27, cleaning frame; 28, mounting plate; 29, cam; 30, rotating rod; 31, nozzle; 32, delivery branch pipe; 33, delivery main pipe; 34, bearing plate. Detailed implementation manners

[0028] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

[0029] Please refer to Figures 1-6, in the embodiment of the present invention, a land reclamation and fertilization device includes a box body 1. A box door 2 is installed on one of the side walls of the box body 1. The lower end of the box body 1 is open. A screening frame 15 is installed at the lower end of the inner wall of the box body 1. A bearing plate 34 is installed at the lower end of the box body 1 between the screening frame 15 and the box door 2. The bearing plate 34, the screening frame 15, the box body 1, and the box door 2 form a space for storing stones. An opening 17 is provided at the upper end of the side wall of the screening frame 15 close to the box door 2. A screening mesh 16 for screening soil is inclined inside the screening frame 15. The lower end of the screening mesh 16 is arranged below the opening 17. A rubber connecting piece 20 for facilitating the vibration of the screening mesh 16 is installed on the side wall of the screening mesh 16. The side wall of the rubber connecting piece 20 away from the screening mesh 16 is installed on the inner wall of the screening frame 15. A vibration screening mechanism for vibrating the screening mesh 16 is arranged on the screening mesh 16. A water and fertilizer spraying mechanism for evenly spraying the water and fertilizer solution onto the soil is arranged inside the screening frame 15 below the screening mesh 16. A soil conveying mechanism for conveying the soil onto the screening mesh 16 is arranged inside the box body 1 on the side away from the box door 2 of the screening frame 15. A moving mechanism for pulling and moving the box body 1 is arranged on the side wall of the box body 1.

[0030] The vibration screening mechanism includes four elastic telescopic rods 19. The output ends of the four elastic telescopic rods 19 are respectively installed at the four corners of the upper end of the screening mesh 16. The elastic telescopic rods 19 are installed on the inner wall of the screening frame 15. A rotating rod 30 is horizontally arranged inside the screening frame 15 below the screening mesh 16. The rotating rod 30 is parallel to the opening 17. One end of the rotating rod 30 is installed with a hydraulic motor 24 for driving the rotating rod 30 to rotate. The end of the rotating rod 30 away from the hydraulic motor 24 is rotatably connected to the inner wall of the screening frame 15. Cam 29s are installed on the side walls at both ends of the rotating rod 30. A vibrating rod 22 for cooperating with the cam 29 is vertically installed at the lower end of the screening mesh 16. The lower end of the vibrating rod 22 is closely attached to the side wall of the cam 29.

[0031] During use, start the hydraulic motor 24. The hydraulic motor 24 drives the rotating rod 30 to rotate. The rotating rod 30 drives the cam 29 to rotate. When the cam 29 pushes the vibrating rod 22 to move upward, the vibrating rod 22 drives the screening mesh 16 to move upward. The screening mesh 16 compresses the elastic telescopic rods 19. When the cam 29 does not push the vibrating rod 22 to move, under the action of the elastic force, the elastic telescopic rods 19 push the screening mesh 16 to move downward, thereby realizing the up-and-down reciprocating vibration of the screening mesh 16.

[0032] The water and fertilizer spraying mechanism includes a water and fertilizer tank 8, which is installed at the upper end of the box body 1. A water delivery pipe 11 is installed at the lower end of the side wall of the water and fertilizer tank 8. A water pump 10 for delivering the water and fertilizer inside the water and fertilizer tank 8 into the water delivery pipe 11 is arranged on the water delivery pipe 11. The water pump 10 is installed at the upper end of the box body 1. One end of the water delivery pipe 11 far away from the water and fertilizer tank 8 passes through the box body 1 and the side wall of the screening frame 15 and is horizontally installed with a main delivery pipe 33. The main delivery pipe 33 is horizontally installed on the inner wall of the screening frame 15 below the screening net 16. The main delivery pipe 33 is perpendicular to the rotating rod 30. A number of delivery branch pipes 32 are horizontally installed on the side wall of the main delivery pipe 33. The delivery branch pipes 32 are perpendicular to the main delivery pipe 33. One end of the delivery branch pipe 32 far away from the main delivery pipe 33 is horizontally installed on the inner wall of the screening frame 15. A number of nozzles 31 for spraying the water and fertilizer are installed on the side wall of the delivery branch pipe 32. A clogging prevention and cleaning component for cleaning the nozzles 31 is arranged on the rotating rod 30.

[0033] During use, the water pump 10 is started. The water pump 10 delivers the water and fertilizer liquid inside the water and fertilizer tank 8 into the main delivery pipe 33 through the water delivery pipe 11. The main delivery pipe 33 delivers the water and fertilizer liquid into the delivery branch pipes 32. The delivery branch pipes 32 deliver the water and fertilizer to the nozzles 31. The nozzles 31 spray the water and fertilizer liquid onto the screened soil.

[0034] The clogging prevention and cleaning component includes a reciprocating screw rod 25, which is installed on the side wall of the rotating rod 30 between two cams 29. Above the reciprocating screw rod 25, there is a triangular baffle 21 for preventing soil from falling onto the reciprocating screw rod 25. A connecting rod 23 is horizontally installed on the side wall of the triangular baffle 21. One end of the connecting rod 23 far away from the triangular baffle 21 is horizontally installed on the inner wall of the screening frame 15. The side wall of the reciprocating screw rod 25 is rotationally connected with a moving block 26 through a thread. The upper end of the moving block 26 moves along the lower end of the triangular baffle 21. The lower end of the moving block 26 is horizontally installed with a mounting plate 28. The mounting plate 28 is perpendicular to the delivery branch pipe 32. A cleaning frame 27 for cleaning the delivery branch pipe 32 and the nozzles 31 is installed at the lower end of the mounting plate 28. The cleaning frame 27 is sleeved on the side wall of the delivery branch pipe 32.

[0035] When the rotating rod 30 rotates, the rotating rod 30 drives the reciprocating screw rod 25 to rotate. Under the action of the thread, the reciprocating screw rod 25 drives the moving block 26 to reciprocate. The moving block 26 drives the mounting plate 28 to move. The mounting plate 28 drives the cleaning frame 27 to move. The cleaning frame 27 reciprocally cleans the delivery branch pipe 32 and the nozzles 31.

[0036] The soil conveying mechanism includes a conveyor belt 14, which is inclined and arranged inside the box body 1 on the side of the screening frame 15 away from the box door 2. The rotating shaft of the conveying roller of the conveyor belt 14 is rotatably connected to the side wall of the box body 1. The rotating shaft of the conveyor belt 14 is driven by a hydraulic motor. The upper end of the conveyor belt 14 is arranged above the screening frame 15, and the lower end of the conveyor belt 14 extends out of the bottom of the box body 1. Conveying plates 18 for facilitating the lifting and conveying of soil are installed on the side wall of the conveyor belt 14. A guiding block 13 for guiding the soil is arranged at the input end of the conveyor belt 14. Support plates 6 are vertically installed at both ends of the guiding block 13, and the upper ends of the support plates 6 are installed at the lower end of the box body 1. A rotary tillage cutter roller 12 for loosening the soil and conveying the soil towards the guiding block 13 is installed at the bottom of the box body 1 on the side of the guiding block 13 away from the screening frame 15. The rotating shaft of the rotary tillage cutter roller 12 is rotatably connected to the side wall of the box body 1. The rotating shaft of the rotary tillage cutter roller 12 is driven by a hydraulic motor. The lower end of the rotary tillage cutter roller 12, the lower end of the guiding block 13, and the lower end of the conveyor belt 14 are on the same plane.

[0037] During use, start the rotary tillage cutter roller 12 and the conveyor belt 14. The rotary tillage cutter roller 12 loosens the soil and conveys the soil towards the guiding block 13. As the box body 1 moves, the guiding block 13 shovels up the soil and conveys it to the conveyor belt 14, and the conveyor belt 14 conveys the soil to the upper end of the screening mesh 16 inside the screening frame 15.

[0038] The moving mechanism includes a support frame 5, which is sleeved on the side wall of the box body 1. Moving wheels 3 for facilitating the movement of the device are installed on the side wall of the support frame 5. A towing rod 7 connected to a tractor is installed at one end of the support frame 5 away from the box door 2. A plurality of hydraulic telescopic rods 4 are installed at the upper end of the support frame 5. The output end of the hydraulic telescopic rod 4 is installed with a fixing plate 9, and the fixing plate 9 is installed at the upper end of the side wall of the box body 1. The side wall of the box body 1 and the inner wall of the support frame 5 are connected by a slide rail for limiting sliding.

[0039] When the device is not in use, start the hydraulic telescopic rod 4 to extend. The output end of the hydraulic telescopic rod 4 drives the fixing plate 9 to move upward. The fixing plate 9 drives the box body 1 to move upward. The box body 1 drives the conveyor belt 14, the support plate 6, the guiding block 13, and the rotary tillage cutter roller 12 to move upward, so that the heights of the conveyor belt 14, the support plate 6, the guiding block 13, and the rotary tillage cutter roller 12 are greater than the ground.

[0040] When the device is in use, start the hydraulic telescopic rod 4 to contract. The output end of the hydraulic telescopic rod 4 drives the fixing plate 9 to move downward. The fixing plate 9 drives the box body 1 to move downward. The box body 1 drives the conveyor belt 14, the support plate 6, the guiding block 13, and the rotary tillage cutter roller 12 to move downward, so that the heights of the conveyor belt 14, the support plate 6, the guiding block 13, and the rotary tillage cutter roller 12 are less than the ground.

[0041] Working principle of the land reclamation and fertilization device:

[0042] When the device is not in use, start the hydraulic telescopic rod 4 to extend. The output end of the hydraulic telescopic rod 4 drives the fixed plate 9 to move upward. The fixed plate 9 drives the box body 1 to move upward. The box body 1 drives the conveyor belt 14, the support plate 6, the guide block 13, and the rotary tillage cutter roller 12 to move upward, so that the heights of the conveyor belt 14, the support plate 6, the guide block 13, and the rotary tillage cutter roller 12 are greater than the ground.

[0043] When the device is in use, start the hydraulic telescopic rod 4 to contract. The output end of the hydraulic telescopic rod 4 drives the fixed plate 9 to move downward. The fixed plate 9 drives the box body 1 to move downward. The box body 1 drives the conveyor belt 14, the support plate 6, the guide block 13, and the rotary tillage cutter roller 12 to move downward, so that the heights of the conveyor belt 14, the support plate 6, the guide block 13, and the rotary tillage cutter roller 12 are less than the ground.

[0044] Start the rotary tillage cutter roller 12 and the conveyor belt 14. The rotary tillage cutter roller 12 loosens the soil and conveys the soil to the guide block 13. As the box body 1 moves, the guide block 13 shovels up the soil and conveys it to the conveyor belt 14. The conveyor belt 14 conveys the soil to the upper end of the screening net 16 inside the screening frame 15.

[0045] Start the hydraulic motor 24. The hydraulic motor 24 drives the rotating rod 30 to rotate. The rotating rod 30 drives the cam 29 to rotate. When the cam 29 pushes the vibrating rod 22 to move upward, the vibrating rod 22 drives the screening net 16 to move upward. The screening net 16 compresses the elastic telescopic rod 19. When the cam 29 does not push the vibrating rod 22 to move, under the action of the elastic force, the elastic telescopic rod 19 pushes the screening net 16 to move downward, thereby realizing the up-and-down reciprocating vibration of the screening net 16, enabling the soil to pass through the screening net 16 and fall below the screening net 16, and enabling the stones to move to the upper end of the bearing plate 34 through the opening 17.

[0046] Start the water pump 10. The water pump 10 conveys the water and fertilizer liquid in the water and fertilizer tank 8 to the inside of the conveying main pipe 33 through the water pipe 11. The conveying main pipe 33 conveys the water and fertilizer liquid to the inside of the conveying branch pipe 32. The conveying branch pipe 32 conveys the water and fertilizer to the spray head 31. The spray head 31 sprays the water and fertilizer liquid onto the screened soil.

[0047] When the rotating rod 30 rotates, the rotating rod 30 drives the reciprocating screw rod 25 to rotate. Under the action of the thread, the reciprocating screw rod 25 drives the moving block 26 to reciprocate. The moving block 26 drives the mounting plate 28 to move. The mounting plate 28 drives the cleaning frame 27 to move. The cleaning frame 27 reciprocally cleans the conveying branch pipe 32 and the spray head 31.

[0048] For those skilled in the art, it is obvious that the present invention is not limited to the details of the above-described exemplary embodiments, and the present invention can be implemented in other specific forms without departing from the spirit or basic characteristics of the present invention.

Claims

1. A land reclamation and fertilization device, comprising a housing (1), wherein a housing door (2) is installed on one of the side walls of the housing (1), characterized in that: The lower end of the box body (1) is open, a screening frame (15) is installed at the lower end of the inner wall of the box body (1), a bearing plate (34) is installed at the lower end of the box body (1) between the screening frame (15) and the box door (2), the bearing plate (34), the screening frame (15), the box body (1) and the box door (2) form a space for storing stones, an opening (17) is provided at the upper end of the side wall of the screening frame (15) close to the box door (2), a screening net (16) for screening soil is obliquely arranged inside the screening frame (15), the lower end of the screening net (16) is arranged at the lower end of the opening (17), and a screen for screening is installed on the side wall of the screening net (16). A rubber connecting piece (20) for vibrating the screening net (16) is installed on the inner wall of the screening frame (15) away from the side wall of the screening net (16); a vibrating screening mechanism for vibrating the screening net (16) is arranged on the screening net (16); a water and fertilizer spraying mechanism for evenly spraying water and fertilizer liquid onto the soil is arranged inside the screening frame (15) below the screening net (16); a soil conveying mechanism for conveying soil onto the screening net (16) is arranged inside the box body (1) on the side of the screening frame (15) away from the box door (2); and a moving mechanism for pulling and moving the box body (1) is arranged on the side wall of the box body (1).

2. The land reclamation and fertilization device according to claim 1, characterized in that: The vibrating screening mechanism comprises four elastic telescopic rods (19), the output ends of the four elastic telescopic rods (19) are respectively mounted on four corners of the upper end of the screening net (16), the elastic telescopic rods (19) are mounted on the inner wall of the screening frame (15), a rotating rod (30) is horizontally arranged inside the screening frame (15) below the screening net (16), the rotating rod (30) is parallel to the opening (17), one end of the rotating rod (30) is mounted with a hydraulic motor (24) for driving the rotating rod (30) to rotate, one end of the rotating rod (30) away from the hydraulic motor (24) is rotatably connected to the inner wall of the screening frame (15), cams (29) are mounted on the side walls of both ends of the rotating rod (30), a vibrating rod (22) used in conjunction with the cam (29) is vertically mounted at the lower end of the screening net (16), and the lower end of the vibrating rod (22) is closely attached to the side wall of the cam (29).

3. The land reclamation and fertilization device according to claim 2, characterized in that: The water and fertilizer spraying mechanism comprises a water and fertilizer box (8), the water and fertilizer box (8) being mounted on the upper end of a box body (1), a water delivery pipe (11) being mounted on the lower end of a side wall of the water and fertilizer box (8), a water pump (10) being arranged on the water delivery pipe (11) for delivering water and fertilizer in the water and fertilizer box (8) to the inside of the water delivery pipe (11), the water pump (10) being mounted on the upper end of the box body (1), a delivery main pipe (33) being mounted horizontally on the end of the water delivery pipe (11) away from the water and fertilizer box (8) passing through the box body (1) and the side wall of the screening frame (15), the delivery main pipe (33) being mounted horizontally under the screening net (16) The main delivery pipe (33) and the rotating rod (30) are perpendicular to each other on the inner wall of the screening frame (15), and a plurality of delivery branch pipes (32) are horizontally installed on the side wall of the main delivery pipe (33). The delivery branch pipes (32) and the main delivery pipe (33) are perpendicular to each other. One end of the delivery branch pipe (32) away from the main delivery pipe (33) is horizontally installed on the inner wall of the screening frame (15). A plurality of nozzles (31) for spraying water and fertilizer are installed on the side wall of the delivery branch pipe (32), and an anti-blocking cleaning component for cleaning the nozzles (31) is arranged on the rotating rod (30).

4. The land reclamation and fertilization device according to claim 3, characterized in that: The water delivery pipe (11) is fixedly mounted on the side wall of the box body (1) via a pipe clamp.

5. The land reclamation and fertilization device according to claim 3, characterized in that: The anti-blocking cleaning assembly comprises a reciprocating screw (25), the reciprocating screw (25) being mounted on the side wall of a rotating rod (30) between two cams (29), a triangular stopper (21) being arranged above the reciprocating screw (25) for preventing soil from falling onto the reciprocating screw (25), a connecting rod (23) being horizontally mounted on the side wall of the triangular stopper (21), an end of the connecting rod (23) being away from the triangular stopper (21) being horizontally mounted on the inner wall of a screening frame (15), and the reciprocating screw (25) being arranged on the side wall of the triangular stopper (21). The side wall of the rod (25) is rotatably connected with a moving block (26) through a thread, the upper end of the moving block (26) moves along the lower end of the triangular stopper (21), the lower end of the moving block (26) is horizontally mounted with a mounting plate (28), the mounting plate (28) and the delivery branch pipe (32) are perpendicular to each other, the lower end of the mounting plate (28) is mounted with a cleaning frame (27) for cleaning the delivery branch pipe (32) and the nozzle (31), and the cleaning frame (27) is sleeved on the side wall of the delivery branch pipe (32).

6. The land reclamation and fertilization device according to claim 5, characterized in that: A ball bearing is mounted on the upper end of the moving block (26) to facilitate the moving block (26) to move along the lower end of the triangular stopper (21).

7. The land reclamation and fertilization device according to claim 1, characterized in that: The soil conveying mechanism comprises a conveyor belt (14), the conveyor belt (14) being obliquely arranged inside the box body (1) on the side of the screening frame (15) away from the box door (2), the rotating shaft of the conveying roller of the conveyor belt (14) being rotatably connected to the side wall of the box body (1), the rotating shaft of the conveyor belt (14) being driven by a hydraulic motor, the upper end of the conveyor belt (14) being arranged above the screening frame (15), the lower end of the conveyor belt (14) extending out of the bottom of the box body (1), the side wall of the conveyor belt (14) being provided with a conveying plate (18) for facilitating the lifting and conveying of soil, and the input end of the conveyor belt (14) being provided with a conveying device for conveying soil. A guiding guide block (13) is provided, support plates (6) are vertically mounted at both ends of the guide block (13), the upper end of the support plate (6) is mounted on the lower end of the box body (1), a rotary tillage roller (12) for loosening the soil and conveying the soil to the guide block (13) is mounted on the bottom of the box body (1) on the side of the guide block (13) away from the screening frame (15), the rotating shaft of the rotary tillage roller (12) is rotatably connected to the side wall of the box body (1), the rotating shaft of the rotary tillage roller (12) is driven by a hydraulic motor, and the lower end of the rotary tillage roller (12), the lower end of the guide block (13) and the lower end of the conveyor belt (14) are on the same plane.

8. The land reclamation and fertilization device according to claim 7, characterized in that: The moving mechanism comprises a support frame (5), the support frame (5) being sleeved on the side wall of the box body (1), the side wall of the support frame (5) being provided with moving wheels (3) for facilitating the movement of the device, the end of the support frame (5) away from the box door (2) being provided with a pulling rod (7) connected to a tractor, the upper end of the support frame (5) being provided with a plurality of hydraulic telescopic rods (4), the output end of the hydraulic telescopic rods (4) being provided with a fixing plate (9), the fixing plate (9) being installed on the upper end of the side wall of the box body (1), and the side wall of the box body (1) and the inner wall of the support frame (5) being connected in a limited sliding manner via a slide rail.

9. The land reclamation and fertilization device according to claim 1, characterized in that: The screening frame (15) and the bearing plate (34) are fixedly connected to the box body (1) by welding.

10. The land reclamation and fertilization device according to claim 8, characterized in that: Reinforced support ribs for improving the structural strength of the support frame (5) are installed on the side walls of the support frame (5).

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