Protective tillage organic fertilizer deep application equipment

Abstract

The application belongs to the technical field of agricultural machinery and provides a protective tillage organic fertilizer deep application equipment, which comprises a deep loosening mechanism, a leveling mechanism and a suspension frame. The deep loosening mechanism comprises a rectangular frame and a deep loosening hook. The front frame of the rectangular frame is provided with depth limiting wheels on both sides. A fertilizer box is arranged above the rectangular frame. The bottom of the fertilizer box is narrowed. A discharging mechanism is arranged in the fertilizer box. The deep loosening hook is vertically arranged in the frame opening of the rectangular frame. A fertilizer application pipe is vertically arranged at the rear side of the deep loosening hook. The upper end of the fertilizer application pipe corresponds to the fertilizer outlet of the bottom of the fertilizer box. The height and front-rear position of the deep loosening hook and the fertilizer application pipe can be adjusted. The application can quickly and effectively apply the manure organic fertilizer to the soil, so that the soil can fully absorb the nutrients in the fertilizer. Meanwhile, the application can effectively cover the odor emitted by the manure organic fertilizer, avoid the negative impact on the surrounding environment in the case of large-area application of farm manure to the field, and make the application of manure organic fertilizer more environmentally friendly.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of agricultural machinery, in particular to a protective tillage organic fertilizer deep application equipment. BACKGROUND

[0002] Soil fertility maintenance and improvement is a key factor for sustainable use of farmland soil and high yield of crops. With the extensive development of agriculture-pastoral combination in China, new technologies are needed to promote and improve the efficient use of livestock manure for soil improvement after composting and fermentation, but the main obstacle is how to simply and efficiently return the manure after composting and fermentation.

[0003] At present, the traditional manure organic fertilizer mainly adopts the surface application method for returning to the field, that is, the organic material is directly applied to the soil surface. Although this method is simple and easy to apply, the fertilizer utilization rate of the surface application method is low, and the soil cannot fully absorb the nutrient resources in the organic fertilizer, resulting in high cost of returning the farmyard manure to the field, and the strong odor produced after large-area surface application of farmyard manure can seriously affect the surrounding environment and cause great pressure on environmental protection.

[0004] Therefore, it is necessary to provide an improved technical solution to overcome the above-mentioned deficiencies of the prior art. SUMMARY

[0005] The purpose of the present application is to provide a protective tillage organic fertilizer deep application equipment to solve or alleviate the problems of low fertilizer utilization rate of the surface application method of traditional manure organic fertilizer and easy generation of odor affecting the surrounding environment after large-area application.

[0006] In order to achieve the above-mentioned purpose, the present application provides the following technical solution:

[0007] The present application provides a protective tillage organic fertilizer deep application equipment, which comprises a deep loosening mechanism, a leveling mechanism and a suspension bracket. The deep loosening mechanism comprises a rectangular frame and a deep loosening hook. The front frame of the rectangular frame is provided with depth limiting wheels on both sides. A fertilizer box is arranged above the rectangular frame. The bottom of the fertilizer box is tapered, and a discharging mechanism is arranged in the fertilizer box. The deep loosening hook is vertically arranged in the frame opening of the rectangular frame. A fertilizer application pipe is vertically arranged on the rear side of the deep loosening hook. The upper end of the fertilizer application pipe corresponds to the bottom discharge port of the fertilizer box. The height and front-rear position of the deep loosening hook and the fertilizer application pipe can be adjusted. The leveling mechanism comprises a pressing frame and a pressing roller. The pressing frame is hingedly connected to the rear of the rectangular frame. The pressing roller is rotatably installed on the pressing frame, and the height of the pressing roller can be fixed. The suspension bracket is arranged in front of the rectangular frame, and the suspension point of the suspension bracket is hingedly connected to the rear of the traction equipment.

[0008] Preferably, the deep loosening mechanism further includes: stirrups, blocking plates and barrier plates, wherein the stirrups are U-shaped, two stirrups form a group, and the two stirrups are simultaneously fitted onto the front and rear edges of the rectangular frame, and are parallel to each other and spaced apart;

[0009] Both the deep loosening hook and the fertilizer application pipe are located between the two stirrups.

[0010] The ends of the two stirrups are connected as one unit by a locking plate, which is attached to the outer side of the rear frame of the rectangular frame.

[0011] Preferably, the surface of the lock plate is provided with a pair of arc-shaped perforated plates, and the holes on the surface of the perforated plates are distributed along the arc shape;

[0012] The pressing frame consists of a crossbeam and a pair of side plates, and its overall shape is U-shaped. The pressing roller is rotatably installed between the two side plates.

[0013] A connecting arm protrudes from the outer side of the crossbeam toward the space between the two perforated plates, and the end of the connecting arm away from the crossbeam is hinged between the two perforated plates;

[0014] The surface of the connecting arm is provided with positioning holes. When the connecting arm rotates between the two perforated plates, the positioning holes pass through the holes on the surface of the perforated plates.

[0015] Preferably, the blocking plate and the barrier plate are both horizontally arranged within the frame opening of the rectangular frame and are parallel to each other, so that the end of the stirrup passes through both the blocking plate and the barrier plate simultaneously;

[0016] The blocking plate corresponds to the front border of the rectangular frame, and the barrier plate corresponds to the rear border of the rectangular frame.

[0017] The side of the blocking plate facing the barrier plate has a first cylindrical column that protrudes from it, corresponding to the stirrup, so that the stirrup passes through the cavity of the first cylindrical column;

[0018] The first cylindrical column is externally fitted with a gear roller.

[0019] Preferably, the deep loosening hook is sandwiched between the blocking plate and the barrier plate, and the upper section of the deep loosening hook is a vertical section with teeth on both sides, so that both sides of the deep loosening hook can simultaneously mesh with the gear rollers on the two stirrups;

[0020] The lower section of the deep loosening hook is bent into a crescent shape towards the front edge of the rectangular frame;

[0021] The barrier plate has a positioning groove on the side facing the blocking plate. The positioning groove corresponds to and is adapted to the end of the gear roller so that the end of the gear roller is inserted into the positioning groove and its rotation is restricted.

[0022] Preferably, a second cylindrical column corresponding to the stirrup extends vertically from the side of the barrier plate away from the blocking plate, so that the stirrup passes through the cavity of the second cylindrical column;

[0023] The end of the second cylindrical column away from the barrier plate is closely adjacent to an anti-retraction nut. The anti-retraction nut is threaded onto the outside of the stirrup, and the diameter of the anti-retraction nut is larger than the diameter of the second cylindrical column.

[0024] The two adjacent second cylindrical columns are connected as one unit by a reaction plate.

[0025] Preferably, the fertilizer application tube is located between the barrier plate and the anti-retraction nut, and the front and rear width of the fertilizer application tube is the same as the length of the second cylinder.

[0026] The lower end of the fertilizer tube is inclined toward the lower end of the deep loosening hook so that the lower end of the fertilizer tube is attached to the rear side of the lower end of the deep loosening hook.

[0027] Both sides of the lower end of the deep loosening hook are provided with soil retaining plates, and both soil retaining plates extend backward to enclose the lower ends of the fertilizer pipe.

[0028] The reaction plate has a central threaded top screw, which can be rotated to press its head against the side of the fertilizer pipe.

[0029] Preferably, the fertilizer inlet of the fertilizer box is covered with a ridge-shaped filter mesh, and a protective plate is provided around the filter mesh, wherein the protective plate corresponding to the front and rear sides of the fertilizer box can be disassembled.

[0030] Preferably, the feeding mechanism includes: a spiral conveying shaft and a distributing plate. The spiral conveying shaft is provided in pairs. The two spiral conveying shafts are installed at the bottom of the fertilizer box cavity and rotate synchronously. The surface of the spiral conveying shaft is divided into multiple spiral segments, and the spiral directions between adjacent spiral segments are opposite.

[0031] The spiral directions of the corresponding spiral segments on the surfaces of the two spiral conveyor shafts are opposite;

[0032] A fertilizer inlet is provided at the bottom of the fertilizer box at the junction of adjacent spiral segments;

[0033] A triangular dividing plate is provided above the junction of adjacent spiral segments, with the tip of the dividing plate facing upwards.

[0034] Preferably, a back plate is provided at the rear of the suspension bracket, and the back plate is abutted against the front edge of the rectangular frame and centered thereon;

[0035] The back plate surface is provided with through holes for the ends of the stirrups to pass through;

[0036] The back plate has a positioning post in the center, which is threaded onto the center of the front frame of the rectangular frame. By rotating the positioning post, its head presses against the center of the front plate surface of the blocking plate.

[0037] Compared with the closest prior art, the technical solution of this application has the following beneficial effects:

[0038] This application can quickly and effectively apply manure organic fertilizer into the soil, allowing the soil to fully absorb the nutrients in the fertilizer. At the same time, this application can effectively mask the odor emitted by manure organic fertilizer, avoiding the negative impact on the surrounding environment when large-scale return of farm manure to the field, making the return of manure organic fertilizer to the field more environmentally friendly. Attached Figure Description

[0039] The accompanying drawings, which form part of this application, are used to provide a further understanding of this application. The illustrative embodiments and descriptions of this application are used to explain this application and do not constitute an undue limitation of this application. Wherein:

[0040] Figure 1 This is a schematic diagram of the overall structure of this application;

[0041] Figure 2 This is a side view of the present application;

[0042] Figure 3 This is a top view of the present application;

[0043] Figure 4 for Figure 1 A diagram showing the view from behind;

[0044] Figure 5 This is a schematic diagram of the front view of this application;

[0045] Figure 6 This is an overall schematic diagram of the deep loosening hook structure of this application;

[0046] Figure 7 This is a schematic diagram showing the overall coordination of the stirrups, blocking plates, and partition plates in this application.

[0047] Figure 8 This is an overall schematic diagram of the blocking plate structure of this application;

[0048] Figure 9 This is an overall schematic diagram of the barrier structure of this application from the front and rear views;

[0049] Figure 10 This is a schematic diagram of the overall suspension frame structure of this application.

[0050] In the diagram: 1. Rectangular frame; 2. Deep loosening hook; 3. Depth limiting wheel; 4. Fertilizer box; 5. Fertilizer pipe; 6. Pressing frame; 601. Crossbeam; 602. Side plate; 603. Connecting arm; 7. Suspension frame; 701. Back plate; 8. Stirrup; 9. Blocking plate; 10. Barrier plate; 11. Locking plate; 12. Perforated plate; 13. Pressing roller; 131. Pressing toothed plate; 132. Pressing pipe; 133. Connecting shaft; 14. First cylinder column; 15. Gear roller; 16. Positioning groove; 17. Second cylinder column; 18. Anti-reverse nut; 19. Reaction plate; 20. Retaining plate; 21. Top screw; 22. Filter mesh; 23. Guard plate; 24. Spiral conveyor shaft; 25. Distributor plate; 26. Positioning column; 27. Limiting plate; 28. Limiting bar. Detailed Implementation

[0051] The present application will now be described in detail with reference to the accompanying drawings and embodiments. Various examples are provided by way of explanation and not by way of limitation. In fact, those skilled in the art will recognize that modifications and variations can be made to the present application without departing from the scope or spirit thereof. For example, a feature shown or described as part of one embodiment may be used in another embodiment to produce yet another embodiment. Therefore, it is desirable that the present application encompass such modifications and variations that fall within the scope of the appended claims and their equivalents.

[0052] In the following description, the terms "first / second / third" are used merely to distinguish similar objects and do not represent a specific order of objects. It is understood that "first / second / third" may be interchanged in a specific order or sequence where permitted, so that the embodiments of this application described herein can be implemented in an order other than that illustrated or described herein.

[0053] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this disclosure belongs. The terminology used herein is for the purpose of describing embodiments of this disclosure only and is not intended to limit this disclosure.

[0054] In the description of this application, the terms "longitudinal," "lateral," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," and "bottom," etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are used only for the convenience of describing this application and do not require that this application be constructed and operated in a specific orientation, and therefore should not be construed as limiting this application. The terms "connected," "linked," and "set up" used in this application should be interpreted broadly. For example, they can refer to fixed connections or detachable connections; direct connections or indirect connections through intermediate components; wired connections, radio connections, or wireless communication signal connections. Those skilled in the art can understand the specific meaning of the above terms according to the specific circumstances.

[0055] This embodiment aims to provide a deep application device for conservation tillage organic fertilizer. Its main function is to enable the soil to fully absorb the nutrients of manure organic fertilizer, and to avoid the generation of odors that affect the surrounding environment when the manure organic fertilizer is applied on a large scale by covering it with soil.

[0056] Reference Figures 1-10The system includes a deep tillage mechanism, a leveling mechanism, and a suspension frame 7. The deep tillage mechanism includes a rectangular frame 1 and deep tillage hooks 2. Wheel frames are provided on both sides of the front frame of the rectangular frame 1. The rear end of the wheel frames is welded to the front frame of the rectangular frame 1. A depth-limiting wheel 3 is mounted on the front end of the wheel frame via a bearing, so that the depth-limiting wheel 3 is positioned further forward than the rectangular frame 1. This wheel frame adopts a cantilever structure, that is, the front end of the wheel frame is slightly tilted downwards to raise the rectangular frame 1, ensuring sufficient working space below the rectangular frame 1 while maintaining the horizontality of the rectangular frame 1. The suspension frame 7 is located between the two depth-limiting wheels 3. The front side of the suspension frame 7 has suspension points both above and below, hinged to the rear of the traction equipment to control the height of the entire equipment. This traction equipment is typically an agricultural tractor. Specifically, the suspension frame 7 consists of a lower suspension point, a frame, and an upper suspension point. The lower suspension points are set in two groups, symmetrically arranged. Each suspension point consists of two parallel steel plates arranged in a slotted hole structure. The height of the equipment is adjusted according to the terrain during operation. Factors such as surface flatness cause equipment undulations. The slotted hole structure allows the pin at the connection to slide up and down along the slotted hole, reducing the impact on the pin due to equipment undulations. The frame consists of two side uprights and a crossbeam 601. The upper suspension point is welded to the middle of the crossbeam 601, forming a vertical triangle arrangement with the two lower suspension points on the left and right. A back plate 701 is welded to the center of the rear side of the suspension frame 7. The back plate 701 is fixed against the front frame of the rectangular frame 1 and centered. The length of the back plate 701 is basically the same as the front frame of the rectangular frame 1. A positioning post 26 is vertically positioned in the center of the back plate 701. The head of the positioning post 26 passes through the back plate 701 and the front frame of the rectangular frame 1 in sequence. The positioning post 26 is a screw, so that the positioning post 26 is threadedly fitted with the front frame of the rectangular frame 1. By rotating the positioning post 26, its length extending into the frame opening of the rectangular frame 1 can be adjusted. The positioning post 26 can fix the position of the back plate 701 on the front frame and prevent the back plate 701 from shifting.

[0057] The leveling mechanism is installed on the rear side of the rectangular frame 1. The leveling mechanism includes a pressing frame 6 and a pressing roller 13. The pressing frame 6 is hinged to the rear of the rectangular frame 1 so that its height can be adjusted by rotating the pressing frame 6. The pressing roller 13 is rotatably mounted on the pressing frame 6, and the height of the pressing roller 13 can be fixed, that is, the rotation angle of the pressing frame 6 can be fixed. Specifically, a hinge plate is installed on the rear frame of the rectangular frame 1. There are multiple hinge plates, which are evenly distributed along the left and right length direction of the rear frame of the rectangular frame 1. The hinge plate is composed of a locking plate 11 and a pair of perforated plates 12. The locking plate 11 is fixedly attached to the outer side of the rear frame of the rectangular frame 1. The two perforated plates 12 are symmetrically welded to the surface of the locking plate 11 and centered to form a hinge space between the two perforated plates 12. The pressing frame 6 is composed of a crossbeam 601 and a pair of side plates 602. Symmetrically positioned at both ends of the crossbeam 601, the overall shape is U-shaped. The pressing roller 13 is rotatably mounted between the two side plates 602. One end of the side plate 602 is welded to the end of the crossbeam 601, and the other end is slightly inclined downwards so that the pressing roller 13 can more easily contact the ground. A connecting arm 603 protrudes from the outside of the crossbeam 601 into the hinge space so that the end of the connecting arm 603 is hinged between the two perforated plates 12. The perforated plates 12 are arc-shaped, and the holes on their surface are also distributed along the arc shape, mainly to accommodate the movement trajectory of the connecting arm 603. The surface of the connecting arm 603 is provided with positioning holes. When the connecting arm 603 rotates between the two perforated plates 12, the positioning holes will pass through the holes on the surface of the perforated plates 12. By inserting the limit bar 28 into the corresponding positioning hole and hole, the rotation angle of the pressing frame 6 and the height of the pressing roller 13 can be fixed.

[0058] The pressing roller 13 consists of a pressing toothed plate 131, a pressing tube 132, and a connecting shaft 133. The pressing toothed plate 131 is made of steel plate with a diameter of t=5 and has an outer circle with a diameter of 400mm. An equilateral triangle with a side length of 40mm is set at a 30° interval on the outer circle, thus forming a toothed disc shape. The pressing toothed plate 131 is coaxially connected to the connecting shaft 133. The two ends of the connecting shaft 133 are rotatably mounted on the two side plates 602 of the pressing frame 6 through bearings. The toothed plates are spaced 300mm apart. The pressing tube 132 is a hollow round tube with a diameter of 30mm. The pressing tube 132 is welded to the outer circle of the pressing toothed plate 131, parallel to the connecting shaft 133, and the welding position is at the midpoint of two adjacent tooth shapes.

[0059] A fertilizer box 4 is located above a rectangular frame 1. Bases are welded to the left and right sides of the bottom of the fertilizer box 4. These bases are welded or bolted to the left and right sides of the rectangular frame 1. This method raises the fertilizer box 4, providing effective operating space below it. The bottom and front sides of the fertilizer box 4 are narrowed to provide effective operating space. A feeding mechanism is located inside the fertilizer box 4. Specifically, the feeding mechanism includes a spiral conveyor shaft 24 and a distribution plate 25. A pair of spiral conveyor shafts 24 are provided, and the two spiral conveyor shafts 24 are synchronously rotated and installed at the bottom of the fertilizer box 4 cavity, symmetrically arranged on the left and right. Specifically, the ends of the two spiral conveyor shafts 24 are rotatably connected to the side wall of the fertilizer box 4 via bearings. The surface of the spiral conveyor shaft 24 is divided into multiple spiral segments, and the spiral directions between adjacent spiral segments are opposite. The spiral directions of corresponding positions on the surfaces of the two spiral conveyor shafts 24 are opposite. At the junction of adjacent spiral sections, a fertilizer inlet is opened at the bottom of the fertilizer box 4. The rotation of the spiral conveying shaft 24 allows each pair of corresponding left-hand and right-hand spirals to push the organic fertilizer on both sides of the fertilizer inlet into the fertilizer inlet, achieving the purpose of fertilizer dispensing. A triangular distribution plate 25 is set above the junction of the adjacent spiral sections, with the tip of the distribution plate 25 facing upwards to prevent manure from clogging the fertilizer inlet. The feeding speed can be controlled by the synchronous rotation of the two spiral conveying shafts 24. The right ends of both spiral conveying shafts 24 extend outwards from the fertilizer box 4 to fix and mount synchronous gears. The two synchronous gears mesh with each other. A transmission sprocket is also fixedly mounted on the outer end of one of the spiral conveying shafts 24. A drive sprocket is provided at the top of the frame of the rectangular frame 1 corresponding to the transmission sprocket. The drive sprocket and the transmission sprocket are connected by a chain. The drive sprocket is driven by a motor, which is fixedly mounted on the frame of the rectangular frame 1.

[0060] The top inlet of fertilizer tank 4 is covered with a ridge-shaped filter screen 22. The filter screen 22 is welded from round steel bars with a diameter of 12mm. The bars are bent at a 120° angle in the middle and welded vertically upwards. The bars are arranged in parallel with a center-to-center spacing of 100mm. When adding organic fertilizer, organic fertilizer particles smaller than 88mm can fall smoothly into fertilizer tank 4, while organic fertilizer particles larger than 88mm are screened out by the bars, preventing the fertilizer application mechanism from being blocked due to excessively large organic fertilizer particles. The filter screen 22 sits on fertilizer tank 4. The top of the box is equipped with a protective plate 23 around it. The protective plate 23 can prevent the large-diameter organic fertilizer after filtration from falling indiscriminately. The protective plates 23 corresponding to the left and right sides of the fertilizer box 4 are welded to the outer box wall, while the protective plates 23 corresponding to the front and rear sides of the fertilizer box 4 can be removed. That is, the limiting plate 27 is welded to the front and rear outer box walls of the fertilizer box 4 to prevent the protective plate 23 at this position from flipping outward. When it is necessary to clean the large-diameter organic fertilizer after filtration, the protective plate 23 at this position is removed upward, and the large-diameter organic fertilizer will slide down naturally.

[0061] The deep loosening hook 2 is erected inside the frame opening of the rectangular frame 1, with the fertilizer pipe 5 adjacent to its rear side. Each deep loosening hook 2 and fertilizer pipe 5 forms a group, and multiple groups are evenly distributed along the left and right width direction of the rectangular frame 1. The upper ends of all the deep loosening hooks 2 are connected as one unit by lifting plates. The upper end of the fertilizer pipe 5 in each group corresponds to the fertilizer outlet at the bottom of the fertilizer box 4. A hopper can be installed at the fertilizer outlet at the bottom of the fertilizer box 4, or the top opening of the fertilizer pipe 5 can be expanded outward to ensure the fertilizer receiving effect of the fertilizer pipe 5. Since the fertilizer outlet at the bottom of the fertilizer box 4 has a precondition, the number of fertilizer pipes 5 and deep loosening hooks 2 is the same as the number of fertilizer outlets. The height and front and rear positions of the deep loosening hooks 2 and fertilizer pipes 5 can be adjusted to adapt to different soils and flexibly adjust the lowest position of the deep loosening hook 2 to protect the soil and avoid damaging the soil structure.

[0062] The deep loosening mechanism also includes: stirrups 8, blocking plates 9, and barrier plates 10. Two stirrups 8 form a group, and their number is the same as that of the deep loosening hooks 2 and fertilizer pipes 5. The stirrups 8 in the group are also evenly distributed along the left and right width direction of the rectangular frame 1. The stirrups 8 are U-shaped. The two stirrups 8 in each group are simultaneously fitted on the front and rear edges of the rectangular frame 1. The two stirrups 8 are parallel to each other and spaced apart. During this process, the ends of the stirrups 8 will pass through the back plate 701 of the suspension frame 7, the blocking plate 9, the barrier plate 10, and the locking plate 11 in sequence. Finally, the ends of the two stirrups 8 in a single group will be connected as one unit through the locking plate 11 and tightened with nuts so that the locking plate 11 can be close to the rear edge of the rectangular frame 1. The surface of each plate is pre-drilled with fitting holes for the stirrups 8 to pass through. The width of the stirrup opening is the same as the upper and lower thickness of the front and rear edges of the rectangular frame 1 to ensure the stability of the stirrups 8. The deep loosening hooks 2 and fertilizer pipes 5 in a single group are located between the two stirrups 8 in a single group.

[0063] The blocking plate 9 and the barrier plate 10 are horizontally arranged facing each other within the frame opening of the rectangular frame 1 and are parallel to each other. The blocking plate 9 corresponds to the front edge of the rectangular frame 1, and the barrier plate 10 corresponds to the rear edge of the rectangular frame 1. That is, the blocking plate 9 is in front and the barrier plate 10 is in the back. The side of the blocking plate 9 facing the barrier plate 10, i.e., the rear side, has a first cylindrical column 14 protruding from it, corresponding to the stirrup 8, so that the stirrup 8 can pass through the cavity of the first cylindrical column 14. The outside of the first cylindrical column 14 is fitted with a gear roller 15 through a bearing. The deep loosening hook 2 is blocked by the blocking plate 9 and The barrier plate 10 is sandwiched in the middle. The upper section of the deep loosening hook 2 is vertical and has teeth on both sides. These teeth on both sides must be symmetrically arranged about the deep loosening hook 2, so that both sides of the deep loosening hook 2 can simultaneously mesh with the gear rollers 15 on the two stirrups 8. Under this condition, the rotation position of the teeth on the gear rollers 15 is also consistent. The lower section of the deep loosening hook 2 is bent into a crescent shape towards the front frame of the rectangular frame 1, specifically at a 70° angle to the ground, to facilitate entry into the soil. The deep loosening hook 2 is made of 65 manganese steel. The partition plate 10 has a positioning groove 16 on the side facing the blocking plate 9. The positioning groove 16 corresponds to and fits the end of the gear roller 15 so that the end of the gear roller 15 is inserted into the positioning groove 16 and its rotation is restricted. The positioning groove 16 is also gear-shaped, and its purpose is to fix the height of the deep loosening hook 2. When the height of the deep loosening hook 2 needs to be adjusted, the gear roller 15 is pulled out from the positioning groove 16, and then the deep loosening hook 2 is lifted up and down by lifting plate. After adjustment, the gear roller 15 is reset. It should be noted that when the gear roller 15 is inserted into the positioning groove 16, the teeth on its surface may not correspond exactly to the teeth of the positioning groove 16. At this time, the deep loosening hook 2 needs to be lifted up and down slightly. During this process, a certain pushing force is also applied to the blocking plate 9. When the teeth on the surface of the gear roller 15 are completely aligned with the teeth of the positioning groove 16, the gear roller 15 will be pushed into the positioning groove 16. Finally, the positioning column 26 is rotated to increase its length into the rectangular frame 1 and to press the blocking plate 9 tightly. The operation is simple, fast and efficient.

[0064] A second cylindrical column 17, corresponding to the stirrup 8, protrudes vertically from the rear side of the barrier plate 10 away from the blocking plate 9, allowing the stirrup 8 to pass through the cavity of the second cylindrical column 17. An anti-retraction nut 18 is located adjacent to the rear end of the second cylindrical column 17 away from the barrier plate 10. This anti-retraction nut 18 is threaded onto the outside of the stirrup 8. A section of external thread is pre-machined at the end of the stirrup 8 to facilitate the installation and function of the anti-retraction nut 18. The anti-retraction nut 18 primarily adjusts the rearward position of the barrier plate 10, thereby adjusting the receiving position of the fertilizer pipe 5. If necessary, the number of anti-retraction nuts 18 can be increased to enhance strength. Specifically, the fertilizer pipe 5 is erected between the barrier plate 10 and the anti-retraction nut 18. The diameter of the anti-retraction nut 18 is larger than the diameter of the second cylindrical column 17, while the front-to-back width of the fertilizer pipe 5 is the same as the length of the second cylindrical column 17. The width on the right is consistent with the distance between the two adjacent second cylinders 17, thus restricting the fertilizer pipe 5 to only the vertical position. The two adjacent second cylinders 17 are connected as one unit by a reaction plate 19. A set screw 21 is installed in the central thread of the reaction plate 19. By rotating the set screw 21, its head can be pressed against the side of the fertilizer pipe 5, thereby fixing the height of the fertilizer pipe 5. In order to adapt to the shape of the deep loosening hook 2, the lower end of the fertilizer pipe 5 is tilted towards the lower end of the deep loosening hook 2 by a certain degree, so that the lower end of the fertilizer pipe 5 is close to the rear side of the lower end of the deep loosening hook 2. On the one hand, this is to improve the fertilizer application effect and ensure that the organic fertilizer can fall into the excavated pit through the fertilizer pipe 5 beforehand if the soil is not buried after being dug by the deep loosening hook 2. On the other hand, it is to use the deep loosening hook 2 to block the resistance of the soil on the fertilizer pipe 5.

[0065] In this embodiment, two retaining plates 20 are provided on both sides of the lower end of the deep loosening hook 2. The two retaining plates 20 are similar to wing-shaped structures. Both retaining plates 20 extend backward to surround the lower ends of the fertilizer pipe 5. The front end of the retaining plate 20 is welded to the side of the deep loosening hook 2 and does not exceed the front side of the deep loosening hook 2. The retaining plate 20 can effectively improve the feeding effect of the fertilizer pipe 5.

[0066] In this embodiment, the lower end of the fertilizer application pipe 5 is 100mm higher than the lower end of the deep loosening hook 2.

[0067] The following are the steps for using a deep application device for conservation tillage organic fertilizer according to the present invention:

[0068] S10, carried on the back of a tractor, enters the work area;

[0069] S20, the tractor lowers the equipment by adjusting the suspension frame 7, so that the depth limiting wheel 3 is in close contact with the ground and begins to move in the specified direction, and then the pressing roller 13 falls naturally to the ground;

[0070] S30, drive motor, to start the feeding mechanism in fertilizer box 4;

[0071] S40, organic fertilizer enters the fertilizer application pipe 5 through the distribution device and is applied to the lower part of the soil layer through the fertilizer application pipe 5;

[0072] S50, the press roller 13 will press and level the surface after deep loosening, completing the deep application of organic fertilizer.

[0073] This embodiment allows for the rapid and effective deep application of manure organic fertilizer into the soil, enabling the soil to fully absorb the nutrients in the fertilizer. At the same time, it effectively masks the odor emitted by the manure organic fertilizer, avoiding the negative impact on the surrounding environment when large-scale return of farm manure to the field, making the return of manure organic fertilizer to the field more environmentally friendly.

[0074] This embodiment also allows for flexible adjustment of the lowest position of the deep loosening hook and fertilizer pipe according to different soil types, so as to avoid damaging the soil structure and provide better protection for the soil.

[0075] The above description is merely a preferred embodiment of this application and is not intended to limit this application. Various modifications and variations can be made to this application by those skilled in the art. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of this application should be included within the protection scope of this application.

Claims

1. A protective tillage organic fertilizer deep application equipment, characterized in that, The utility model provides a deep ploughing mechanism, a levelling mechanism and a suspension frame are arranged on the rectangular frame, the deep ploughing mechanism comprises a rectangular frame and a deep ploughing hook, the front side frame of the rectangular frame is equipped with a depth wheel on both sides, the upper side of the rectangular frame is equipped with a fertilizer box, the bottom of the fertilizer box is narrow, and the inside of the fertilizer box is equipped with a discharging mechanism, the deep ploughing hook is vertically arranged in the frame mouth of the rectangular frame, the rear side of the deep ploughing hook is vertically arranged with a fertilizing pipe, the upper end pipe of the fertilizing pipe corresponds the fertilizer outlet of the bottom of the fertilizer box, the height and the front and rear position of the deep ploughing hook and the fertilizing pipe can be adjusted, the levelling mechanism comprises a pressing frame and a pressing roller, the pressing frame is hinged at the rear of the rectangular frame, the pressing roller is rotatably installed on the pressing frame, and the height of the pressing roller can be fixed, the suspension frame is arranged at the front of the rectangular frame to hinge the suspension point of the suspension frame at the rear of the traction equipment, the deep ploughing mechanism further comprises a stirrup, a blocking plate and a barrier plate, the stirrup is U-shaped, two stirrups are a group, the two stirrups are simultaneously sleeved on the front and rear side frames of the rectangular frame, and are arranged in parallel and spaced apart, the deep ploughing hook and the fertilizing pipe are between the two stirrups, the ends of the two stirrups are connected into one by a locking plate, and the locking plate is attached to the outside of the rear side frame of the rectangular frame, the blocking plate and the barrier plate are both horizontally arranged in the frame mouth of the rectangular frame and are parallel to each other, so that the end of the stirrup simultaneously penetrates the blocking plate and the barrier plate, the blocking plate corresponds the front side frame of the rectangular frame, and the barrier plate corresponds the rear side frame of the rectangular frame, the side of the blocking plate facing the barrier plate protrudes a first cylinder corresponding to the stirrup, so that the stirrup passes through the cylinder cavity of the first cylinder, the outside of the first cylinder is rotatably sleeved with a gear roller, the deep ploughing hook is sandwiched between the blocking plate and the barrier plate, the upper segment of the deep ploughing hook is a vertical segment and is provided with teeth on both sides, so that the two sides of the deep ploughing hook are simultaneously connected with the gear rollers on the two stirrups, the lower segment of the deep ploughing hook is bent into a crescent shape towards the front side frame of the rectangular frame, the side of the barrier plate facing the blocking plate is provided with a positioning groove corresponding to the end of the gear roller and adapted to the end of the gear roller, so that the end of the gear roller is inserted into the positioning groove to limit its rotation, the side of the barrier plate away from the blocking plate vertically protrudes a second cylinder corresponding to the stirrup, so that the stirrup passes through the cylinder cavity of the second cylinder, the end of the second cylinder away from the barrier plate is next to a anti-back nut, the anti-back nut is threadedly sleeved outside the stirrup, and the diameter of the anti-back nut is greater than the diameter of the second cylinder, the two second cylinders adjacent to each other are connected into one by a counterforce plate, the fertilizing pipe is between the barrier plate and the anti-back nut, and the front and rear width of the fertilizing pipe is consistent with the length of the second cylinder, the lower end of the fertilizing pipe is inclined towards the lower end of the deep ploughing hook, so that the lower end of the fertilizing pipe is attached to the rear side of the lower end of the deep ploughing hook, the lower end of the deep ploughing hook is provided with a soil retaining plate on both sides, and the two soil retaining plates are extended rearward to enclose the lower end of the fertilizing pipe on both sides. ​ The central screw of the counterforce plate is installed with a jackscrew, and the head of the jackscrew can be pressed against the side of the fertilizer pipe by rotating the jackscrew.

2. The conservation tillage organic fertilizer deep placement apparatus according to claim 1, characterized in that, The surface of the lock plate is vertically provided with a pair of arc-shaped hole plates, and the holes on the surface of the hole plates are distributed along the arc shape. The pressing frame is composed of a cross beam and a pair of side plates, and the whole is in U shape, and the pressing roller is rotatably installed between the two side plates. The outer side of the cross beam protrudes towards the space between the two hole plates, and the end of the connecting arm away from the cross beam is hinged between the two hole plates. The surface of the connecting arm is provided with a positioning hole, and when the connecting arm rotates between the two hole plates, the positioning hole passes through the hole on the surface of the hole plate.

3. The conservation tillage organic fertilizer deep placement apparatus according to claim 1, wherein, The fertilizer inlet of the fertilizer box is covered with a roof-shaped filter grid, and the periphery of the filter grid is provided with a guard plate, wherein the guard plates corresponding to the front and rear sides of the fertilizer box can be detached.

4. The conservation tillage organic fertilizer deep placement apparatus according to claim 1, wherein, The discharging mechanism comprises a spiral conveying shaft and a distribution plate, the spiral conveying shaft is provided in pairs, and the two spiral conveying shafts are synchronously rotatably installed at the bottom of the box cavity of the fertilizer box, the surface of the spiral conveying shaft is spirally divided into multiple sections, and the spiral directions of adjacent spiral sections are opposite. The spiral directions of the spiral sections at the corresponding positions on the surfaces of the two spiral conveying shafts are opposite. The intersection of the adjacent spiral sections is provided with a fertilizer outlet at the bottom of the fertilizer box. A triangular distribution plate is provided above the intersection of the adjacent spiral sections, and the tip of the distribution plate is upward.

5. The conservation tillage organic fertilizer deep placement apparatus of claim 1, wherein, The rear of the suspension frame is provided with a back plate, which is attached to the front edge frame of the rectangular frame and is centered; The surface of the back plate is provided with a through hole for the end of the stirrup to pass through; The central part of the back plate is provided with a positioning column, which is threadedly installed in the central part of the front edge frame of the rectangular frame, and the head of the positioning column is pressed against the central part of the front plate surface of the plug plate by rotating the positioning column.

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