Protective farming organic fertilizer deep application equipment

Abstract

The invention belongs to the technical field of agricultural machinery, and provides a protective tillage organic fertilizer deep application device which comprises a deep scarification mechanism, a leveling mechanism and a suspension bracket, the deep scarification mechanism comprises a rectangular frame and a deep scarification hook, depth limiting wheels are arranged on the two sides of a front frame of the rectangular frame, a fertilizer box is arranged above the rectangular frame, the bottom of the fertilizer box is narrowed, and the depth limiting wheels are arranged on the bottom of the rectangular frame. A discharging mechanism is arranged in the fertilizer box, the deep scarification hook is vertically arranged in a frame opening of the rectangular frame, a fertilizer applying pipe is vertically arranged on the rear side of the deep scarification hook, a pipe opening in the upper end of the fertilizer applying pipe corresponds to a fertilizer discharging opening in the box bottom of the fertilizer box, and the heights and the front-back positions of the deep scarification hook and the fertilizer applying pipe can be adjusted. According to the application, the manure organic fertilizer can be quickly and effectively applied to the soil, so that the soil can fully absorb nutrients in the fertilizer, and meanwhile, the application also can effectively cover the smell emitted by the manure organic fertilizer, so that the negative influence on the surrounding environment under the condition that the large-area farmyard manure is returned to the field is avoided; and returning of the manure organic fertilizer to the field is more environment-friendly.

Description

Technical Field

[0001] The present application relates to the technical field of agricultural machinery, and in particular to a device for deep application of organic fertilizer in conservation tillage. Background Art

[0002] Maintaining and improving soil fertility is a key factor in sustainable farmland utilization and high crop yields. With the widespread integration of agriculture and animal husbandry in my country, the efficient return of livestock and poultry manure to farmland to improve soil fertility requires the promotion and advancement of new technologies. However, the main obstacle currently is the simple and efficient return of composted manure to farmland.

[0003] At present, traditional manure organic fertilizer is mainly returned to the fields by surface application, that is, applying organic materials directly on the soil surface. Although this method is simple and easy to apply, the fertilizer utilization rate is low in the surface application method, and the soil cannot fully absorb the nutrient resources in the organic fertilizer, resulting in a high cost for returning farmyard manure to the fields. In addition, large-scale surface application of farmyard manure is prone to produce a strong odor, which will seriously affect the surrounding environment and put huge pressure on environmental protection.

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

[0005] The purpose of this application is to provide a conservation tillage organic fertilizer deep application equipment to solve or alleviate the problems of low fertilizer utilization rate in the traditional surface application of manure organic fertilizer back to the field, and the problem that large-scale application is prone to affect the temperature of the surrounding environment.

[0006] In order to achieve the above objectives, this application provides the following technical solutions: The present application provides a conservation tillage organic fertilizer deep application equipment, including: a deep loosening mechanism, a leveling mechanism and a hanging frame, the deep loosening mechanism including: a rectangular frame and a deep loosening hook, depth-limiting wheels are provided on both sides of the front frame of the rectangular frame, a fertilizer box is provided above the rectangular frame, the bottom of the fertilizer box is narrowed, and a feeding mechanism is provided inside the fertilizer box, the deep loosening hook is upright in the frame opening of the rectangular frame, a fertilizer pipe is upright on the rear side of the deep loosening hook, the upper end pipe opening of the fertilizer pipe corresponds to the fertilizer opening at the bottom of the fertilizer box, and the height and front and rear positions of the deep loosening hook and the fertilizer pipe are adjustable; the leveling mechanism includes: a pressing frame and a pressing roller, the pressing frame is hinged to the rear of the rectangular frame, the pressing roller is rotatably mounted on the pressing frame, and the height of the pressing roller can be fixed; the hanging frame is arranged in front of the rectangular frame to hinge the hanging point of the hanging frame to the rear of the traction device.

[0007] Preferably, the deep loosening mechanism further comprises: stirrups, blocking plates and baffles, wherein the stirrups are U-shaped, two stirrups form a group, and the two stirrups are simultaneously clamped on the front and rear frames of the rectangular frame, and are parallel to each other and spaced apart; The deep loosening hook and the fertilizer pipe are both located between the two stirrups. The ends of the two stirrups are connected as a whole through a locking plate, and the locking plate is abutted against the outer side of the rear frame of the rectangular frame.

[0008] Preferably, a pair of arc-shaped orifice plates are vertically provided on the surface of the lock plate, and the holes on the surface of the orifice plates are distributed along the arc; The pressing frame is composed of a crossbeam and a pair of side plates, and is U-shaped as a whole. The pressing roller is rotatably installed between the two side plates. A connecting arm protrudes from the outer side of the crossbeam toward between the two orifice plates, and one end of the connecting arm away from the crossbeam is hinged between the two orifice plates; A positioning hole is provided on the surface of the connecting arm. When the connecting arm rotates between the two orifice plates, the positioning hole passes through the hole on the surface of the orifice plate.

[0009] Preferably, the blocking plate and the baffle plate are both arranged transversely in the frame opening of the rectangular frame and are parallel to each other, so that the ends of the stirrups pass through the blocking plate and the baffle plate at the same time; The blocking plate corresponds to the front frame of the rectangular frame, and the blocking plate corresponds to the rear frame of the rectangular frame; A first column corresponding to the stirrup protrudes from one side of the blocking plate facing the barrier plate, so that the stirrup passes through the cylinder cavity of the first column; The outer rotation sleeve of the first cylinder is provided with a gear roller.

[0010] Preferably, the subsoil hook is sandwiched between the blocking plate and the barrier plate, and the upper section of the subsoil hook is a vertical section with teeth on both sides thereof, so that both sides of the subsoil hook are simultaneously engaged with the gear rollers on the two stirrups; The lower section of the deep loosening hook is bent into a crescent shape toward the front frame of the rectangular frame; A positioning groove is provided on one side of the blocking plate facing the blocking plate, and the positioning groove corresponds to and fits with the end of the gear roller so that the rotation of the end of the gear roller is restricted after being inserted into the positioning groove.

[0011] Preferably, a second column corresponding to the stirrup is vertically extended from one side of the baffle plate away from the plugging plate, so that the stirrup passes through the cylinder cavity of the second column; An anti-retraction nut is closely attached to one end of the second column away from the blocking plate, the anti-retraction nut is threadedly sleeved on the outside of the stirrup, and the diameter of the anti-retraction nut is larger than the diameter of the second column; Two upper and lower adjacent second cylinders are connected as a whole via a reaction plate.

[0012] Preferably, the fertilizer pipe is located between the baffle plate and the anti-retraction nut, and the front-to-back width of the fertilizer pipe is consistent with the length of the second cylinder; The lower end of the fertilizer pipe is inclined toward the lower end of the deep loosening hook so that the lower end of the fertilizer pipe is close to the rear side of the lower end of the deep loosening hook; Both sides of the lower end of the deep loosening hook are provided with retaining plates, and the two retaining plates extend backward to enclose both sides of the lower end of the fertilizer pipe; The central thread of the reaction plate is provided with a jack screw, and the head of the jack screw can be pressed against the side of the fertilizer pipe by rotating the jack screw.

[0013] Preferably, the fertilizer inlet of the fertilizer box is covered with a ridge-shaped filter screen, and protective plates are provided around the filter screen, wherein the protective plates corresponding to the front and rear sides of the fertilizer box are removable.

[0014] Preferably, the unloading mechanism comprises: a spiral feeding shaft and a dividing plate, wherein a pair of the spiral feeding shafts are provided, and the two spiral feeding shafts are synchronously rotated and installed at the bottom of the box cavity of the fertilizer box, and the surface of the spiral feeding shaft is divided into multiple sections, and the spiral directions of adjacent spiral sections are opposite; The spiral directions of the spiral segments at corresponding positions on the surfaces of the two spiral feed shafts are opposite; A fertilizer outlet is provided at the bottom of the fertilizer box corresponding to the intersection of adjacent spiral segments; A triangular material dividing plate is provided above the intersection of the adjacent spiral segments, with the tip of the material dividing plate facing upward.

[0015] Preferably, a back plate is provided at the rear of the suspension frame, and the back plate is abutted against and centered on the front frame of the rectangular frame; The back plate surface is provided with a through hole for the end of the stirrup to pass through; A positioning post is provided in the center of the back plate. The positioning post is threadedly sleeved on the center of the front frame of the rectangular frame. The positioning post is rotated to press its head against the center of the front plate surface of the blocking plate.

[0016] Compared with the closest prior art, the technical solution of the embodiment of the present application has the following beneficial effects: This application can quickly and effectively apply manure organic fertilizer to the soil, so that the soil can fully absorb the nutrients in the fertilizer. At the same time, this application can effectively cover up the odor emitted by manure organic fertilizer, avoiding the negative impact on the surrounding environment when large-scale farm manure is returned to the fields, making the return of manure organic fertilizer to the fields more environmentally friendly. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] The drawings and descriptions that constitute part of this application are intended to provide a further understanding of this application. The exemplary embodiments and descriptions of this application are intended to explain this application and do not constitute an improper limitation on this application. Among them: Figure 1 This is a schematic diagram of the overall structure of this application; Figure 2 A side view schematic diagram of the present application; Figure 3 A schematic top view of the present application; Figure 4 for Figure 1 Schematic diagram of the rear perspective; Figure 5 This is the main schematic diagram of the application; Figure 6 This is an overall schematic diagram of the deep loosening hook structure of this application; Figure 7 This is a schematic diagram of the overall coordination of the stirrups, blocking plates and barrier plate structures of this application; Figure 8 This is an overall schematic diagram of the blocking plate structure of this application; Figure 9 This is an overall schematic diagram of the barrier plate structure of the present application from front and back perspectives; Figure 10 This is an overall schematic diagram of the suspension structure of this application.

[0018] In the figure: 1. rectangular frame; 2. deep loosening hook; 3. depth limiting wheel; 4. fertilizer box; 5. fertilizer pipe; 6. suppression frame; 601. crossbeam; 602. side plate; 603. connecting arm; 7. suspension frame; 701. back plate; 8. stirrups; 9. blocking plate; 10. barrier plate; 11. locking plate; 12. orifice plate; 13. suppression roller; 131. suppression tooth plate; 132. suppression pipe; 133. connecting shaft; 14. first cylinder column; 15. gear roller; 16. positioning groove; 17. second cylinder column; 18. anti-retraction nut; 19. reaction plate; 20. retaining plate; 21. top screw; 22. filter screen; 23. guard plate; 24. spiral feed shaft; 25. distribution plate; 26. positioning column; 27. limit plate; 28. limit bar. DETAILED DESCRIPTION

[0019] The present application will be described in detail below with reference to the accompanying drawings and in conjunction with the embodiments. Each example is provided by way of explanation of the present application and does not limit the present application. In fact, it will be clear to those skilled in the art that modifications and variations can be made in the present application without departing from the scope or spirit of the present application. For example, a feature shown or described as part of one embodiment can be used in another embodiment to produce yet another embodiment. Therefore, it is expected that the present application includes such modifications and variations within the scope of the appended claims and their equivalents.

[0020] In the following description, the terms "first / second / third" involved are merely used to distinguish similar objects and do not represent a specific ordering of the objects. It is understandable that "first / second / third" can be interchanged with a specific order or sequence where permitted, so that the embodiments of the present application described herein can be implemented in an order other than that illustrated or described herein.

[0021] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by those skilled in the art in the art of the present disclosure. The terms used herein are only for the purpose of describing the embodiments of the present disclosure and are not intended to limit the present disclosure.

[0022] In the description of this application, the terms "longitudinal", "transverse", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings. They are only for the convenience of describing this application and do not require that this application must be constructed and operated in a specific orientation. Therefore, they should not be understood as limitations on this application. The terms "connected", "connected", and "set" used in this application should be understood in a broad sense. For example, they can be fixed connections or detachable connections; they can be directly connected or indirectly connected through intermediate components; they can be wired electrical connections, radio connections, or wireless communication signal connections. For ordinary technicians in this field, the specific meanings of the above terms can be understood according to specific circumstances.

[0023] Embodiment: This embodiment aims to provide a protective tillage organic fertilizer deep application equipment, whose main function is to enable the soil to fully absorb the nutrients of manure organic fertilizer, and to cover the manure organic fertilizer with soil to avoid the odor that affects the surrounding environment when it is applied over a large area.

[0024] Reference Figures 1-10The tractor 1 is connected to the lifting device 2 by the lifting mechanism 3, and the lifting mechanism 3 is connected to the lifting device 2 by the lifting mechanism 3. Factors such as surface flatness cause the equipment to fluctuate, and the slotted hole structure allows the pin shaft at the connection to slide up and down along the slotted hole, reducing the impact of the equipment fluctuating on the pin shaft; the frame is composed of two side vertical plates and a crossbeam 601, and the upper hanging point is welded to the middle position of the crossbeam 601, forming a vertical triangular arrangement with the left and right groups of lower hanging points; a back plate 701 is welded in the center of the rear side of the suspension bracket 7, and the back plate 701 is fixedly attached to the front frame of the rectangular frame 1 and centered. The length of the back plate 701 is basically flush with the front frame of the rectangular frame 1, and a positioning column 26 is vertically and horizontally provided in the center of the back plate 701. The head of the positioning column 26 passes through the back plate 701 and the front frame of the rectangular frame 1 in sequence. The positioning column 26 is a screw so that the positioning column 26 is threadedly fitted with the front frame of the rectangular frame 1. By rotating the positioning column 26, the length of the positioning column 26 extending into the frame opening of the rectangular frame 1 can be adjusted. The positioning column 26 can fix the position of the back plate 701 on the front frame to prevent the back plate 701 from displacement.

[0025] 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 the pressing frame 6 can be rotated to adjust its height. The pressing roller 13 is rotatably installed 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 hinged plate is installed on the rear frame of the rectangular frame 1. The hinged plate is provided with multiple hinged plates and is evenly distributed along the left and right length directions of the rear frame of the rectangular frame 1. The hinged plate is composed of a locking plate 11 and a pair of orifice plates 12. The locking plate 11 is fixedly attached to the outer side of the rear frame of the rectangular frame 1. The two orifice plates 12 are symmetrically welded to the surface of the locking plate 11 and centered to form a hinged space between the two orifice plates 12; the pressing frame 6 is composed of a crossbeam 601 and a pair of side plates 602. The two side plates 602 It is symmetrically arranged at both ends of the beam 601, and is U-shaped as a whole. The pressing roller 13 is rotatably installed between the two side plates 602. One end of the side plate 602 is welded to the end of the beam 601, and the other end is slightly tilted downward, so that the pressing roller 13 can more easily contact the ground; a connecting arm 603 protrudes from the outside of the beam 601 into the hinged space, so that the end of the connecting arm 603 is hinged between the two orifice plates 12, wherein the orifice plate 12 is arc-shaped, and the holes on its surface are also distributed along the arc, mainly to adapt to the movement trajectory of the connecting arm 603. A positioning hole is provided on the surface of the connecting arm 603. When the connecting arm 603 rotates between the two orifice plates 12, the positioning hole will pass through the hole on the surface of the orifice plate 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.

[0026] The pressing roller 13 consists of a pressing tooth plate 131, a pressing tube 132 and a connecting shaft 133. The pressing tooth 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 position 30° apart from the edge of the outer circle, thereby forming an outer shape of a toothed disc; the pressing tooth plate 131 is coaxially connected to the connecting shaft 133, and 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 tooth plates are spaced 300mm apart. The pressing tube 132 is a hollow circular tube with a diameter of 30mm. The pressing tube 132 is welded to the outer circle of the pressing tooth plate 131, which is parallel to the connecting shaft 133, and the welding position is the midpoint of the two adjacent teeth.

[0027] A fertilizer box 4 is provided above the rectangular frame 1, and a base is welded on the left and right sides of the bottom of the fertilizer box 4. The base is welded or bolted to the left and right frames of the rectangular frame 1. In this way, the fertilizer box 4 can be raised to provide an effective operating space for the bottom of the fertilizer box 4. The front and rear sides of the bottom of the fertilizer box 4 are narrowed to provide an effective operating space for the front and rear sides of the bottom of the fertilizer box 4. A feeding mechanism is provided inside the fertilizer box 4. Specifically, the feeding mechanism includes: a spiral feeding shaft 24 and a dividing plate 25. A pair of spiral feeding shafts 24 are provided. The two spiral feeding shafts 24 are synchronously rotated and installed at the bottom of the box cavity of the fertilizer box 4, one on the left and the other on the right, symmetrically arranged. Specifically, the ends of the two spiral feeding shafts 24 are rotatably connected to the side walls of the fertilizer box 4 through bearings. The surface spiral of the spiral feeding shaft 24 is divided into multiple sections, and the spiral directions of adjacent spiral sections are opposite. The spiral sections at corresponding positions on the surfaces of the two spiral feeding shafts 24 have opposite spiral directions, corresponding to A fertilizer outlet is opened at the bottom of the fertilizer box 4 at the intersection of adjacent spiral segments. Through the rotation of the spiral feeding shaft 24, each pair of corresponding left-handed and right-handed spirals can push the organic fertilizer on both sides of the fertilizer outlet into the fertilizer outlet, thereby achieving the purpose of fertilizer dispensing; a triangular dividing plate 25 is provided above the intersection of the corresponding adjacent spiral segments, and the tip of the dividing plate 25 faces upward to prevent manure from blocking the fertilizer outlet, so that the dispensing speed can be controlled by the synchronous rotation of the two spiral feeding shafts 24; wherein, the right ends of the two spiral feeding shafts 24 extend to the outside of the fertilizer box 4 to fix the set synchronous gears, the two synchronous gears are meshed with each other, and the outer end of one of the spiral feeding shafts 24 is also fixedly set with a transmission sprocket, and a driving sprocket is provided at the top of the frame of the rectangular frame 1 corresponding to the transmission sprocket. The driving sprocket and the transmission sprocket are transmitted by a chain, and the driving sprocket is driven by a motor, and the motor is fixedly mounted on the frame of the rectangular frame 1.

[0028] The top fertilizer inlet of the fertilizer box 4 is covered with a ridge-shaped filter screen 22. The filter screen 22 is made of round steel bars with a diameter of 12 mm and welded together. The bars are folded into an angle of 120 degrees in the middle and welded vertically upward. The bars are arranged in parallel with each other and the center spacing is 100 mm. When adding organic fertilizer, organic fertilizer with a particle size of less than 88 mm can fall smoothly into the fertilizer box 4, and organic fertilizer with a particle size of more than 88 mm is screened out by the bars to avoid clogging the fertilizing mechanism due to the excessive particle size of the organic fertilizer. The filter screen 22 is located in the fertilizer box 4. The top of the box plate is provided with a guard plate 23 around it. The guard plate 23 can prevent the filtered large-particle organic fertilizer from falling off indiscriminately. The guard plates 23 corresponding to the left and right sides of the fertilizer box 4 are welded to its outer box wall, and the guard plates 23 corresponding to the front and rear sides of the fertilizer box 4 can be disassembled, that is, a limit plate 27 is welded on the front and rear outer box walls of the fertilizer box 4 to prevent the guard plate 23 at this position from turning outward. When the filtered large-particle organic fertilizer needs to be cleaned, the guard plate 23 at this position is removed upward, and the large-particle organic fertilizer will slide naturally.

[0029] The deep loosening hook 2 is erected in the frame opening of the rectangular frame 1, and a fertilizer pipe 5 is immediately adjacent to it at the rear side. A single deep loosening hook 2 and the fertilizer pipe 5 form a group, and there are multiple groups evenly distributed along the left and right width directions of the rectangular frame 1. The upper ends of all the deep loosening hooks 2 are connected as a whole by a lifting plate, and the upper end of the fertilizer pipe 5 of each group corresponds to the fertilizer opening at the bottom of the fertilizer box 4. A hopper can be set at the fertilizer opening at the bottom of the fertilizer box 4, or the top pipe opening of the fertilizer pipe 5 can be expanded outward to ensure the material receiving effect of the fertilizer pipe 5. Since the setting of the fertilizer opening at the bottom of the fertilizer box 4 has a prerequisite, the number of fertilizer pipes 5 and deep loosening hooks 2 is consistent with the number of fertilizer openings. The height and front and rear positions of the deep loosening hooks 2 and the fertilizer pipe 5 can be adjusted to adapt to different soils to flexibly adjust the lowest position of the deep loosening hook 2, thereby protecting the soil and avoiding damage to the soil structure.

[0030] The deep loosening mechanism also includes: stirrups 8, blocking plates 9, and barrier plates 10. Two stirrups 8 form a group, and the number of stirrups 8 is consistent with the deep loosening hooks 2 and the fertilizer pipe 5. The stirrups 8 in the group are also evenly distributed along the left and right width directions of the rectangular frame 1. The stirrups 8 are U-shaped, and the two stirrups 8 in each group are simultaneously clamped on the front and rear frames of the rectangular frame 1. The two stirrups 8 are parallel to each other and arranged at intervals. During this period, 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 turn. Finally, the ends of the two stirrups 8 of the single group will be connected as one through the locking plate 11 and fastened by nuts so that the locking plate 11 can be close to the rear frame of the rectangular frame 1. The surface of each plate is pre-opened with an adapter hole for the stirrups 8 to pass through. The hoop width of the stirrups 8 is consistent with the upper and lower thickness of the front and rear frames of the rectangular frame 1 to ensure the stability of the stirrups 8. The deep loosening hooks 2 and the fertilizer pipe 5 of the single group are located between the two stirrups 8 of the single group.

[0031] The blocking plate 9 and the blocking plate 10 are arranged face to face in the frame opening of the rectangular frame 1 and are parallel to each other. The blocking plate 9 corresponds to the front frame of the rectangular frame 1, and the blocking plate 10 corresponds to the rear frame of the rectangular frame 1, that is, the blocking plate 9 is close to the front and the blocking plate 10 is close to the rear. The blocking plate 9 faces the blocking plate 10, that is, the rear side, and a first cylinder 14 corresponding to the stirrup 8 is protruded, so that the stirrup 8 can pass through the cylinder cavity of the first cylinder 14. The outside of the first cylinder 14 is rotatably sleeved 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 a vertical section and is provided with teeth on both sides thereof, and the teeth on both sides must be symmetrically arranged about the deep loosening hook 2, so that the two sides of the deep loosening hook 2 can be engaged with the gear rollers 15 on the two stirrups 8 at the same time. Under this condition, the rotation position of the teeth on the gear roller 15 is also consistent, and the lower section of the deep loosening hook 2 is bent into a crescent shape toward the front frame of the rectangular frame 1, specifically at an angle of 70° to the ground, which is convenient for entering the soil. The deep loosening hook 2 is made of 65 manganese steel; the barrier plate 10 is sandwiched in the middle, the upper section of the deep loosening hook 2 is a vertical section and is provided with teeth on both sides thereof, and the teeth on both sides must be symmetrically arranged about the deep loosening hook 2, so that the two sides of the deep loosening hook 2 can be engaged with the gear rollers 15 on the two stirrups 8 at the same time. Under this condition, the rotation position of the teeth on the gear roller 15 is also consistent, and the lower section of the deep loosening hook 2 is bent into a crescent shape toward the front frame of the rectangular frame 1, specifically at an angle of 70° to the ground, which is convenient for entering the soil. When the teeth on the surface of the gear roller 15 completely correspond to the teeth in the positioning groove 16, the gear roller 15 will be pushed into the positioning groove 16, and finally the positioning column 26 is rotated to increase the length of the gear roller 15 entering the frame opening of the rectangular frame 1 and press the blocking plate 9 tightly. The operation is simple, fast and efficient.

[0032] The side of the blocking plate 10 away from the plugging plate 9, that is, the rear side, vertically protrudes with a second cylinder 17 corresponding to the stirrup 8, so that the stirrup 8 can pass through the cylinder cavity of the second cylinder 17, and the end of the second cylinder 17 away from the blocking plate 10, that is, the rear end, is close to an anti-retreat nut 18, which is threadedly mounted on the outside of the stirrup 8. The end of the stirrup 8 must be pre-processed with a section of external thread to facilitate the installation and function of the anti-retreat nut 18. The anti-retreat nut 18 is mainly used to adjust the retreat position of the blocking plate 10, and then adjust the material connection position of the fertilizer pipe 5, and the number of anti-retreat nuts 18 can be increased if necessary to increase the strength. Specifically, the fertilizer pipe 5 is erected between the blocking plate 10 and the anti-retreat nut 18. The diameter of the anti-retreat nut 18 is larger than the diameter of the second cylinder 17, and the front and rear width of the fertilizer pipe 5 is consistent with the length of the second cylinder 17, left The right width is consistent with the spacing between the two second cylinders 17 adjacent to the left and right, thereby limiting the fertilizer pipe 5 to only the upper and lower positions, and the two second cylinders 17 adjacent to the upper and lower sides are connected as a whole by a reaction plate 19, and the central thread of the reaction plate 19 is installed with a top screw 21. By rotating the top screw 21, the head of the fertilizer pipe 5 can be pressed against the side of the fertilizer pipe 5, thereby fixing the height of the fertilizer pipe 5; wherein, in order to adapt to the shape of the deep loosening hook 2, the lower end of the fertilizer pipe 5 is inclined toward the lower end of the deep loosening hook 2 by a certain amplitude, and the lower end of the fertilizer pipe 5 must be attached to the rear side of the lower end of the deep loosening hook 2. On the one hand, it is to improve the fertilization effect and ensure that the soil is not buried after being dug by the deep loosening hook 2. Organic fertilizer can fall into the dug tunnel in advance through the fertilizer pipe 5. On the other hand, it is to use the deep loosening hook 2 to block the resistance of the soil to the fertilizer pipe 5.

[0033] In this embodiment, retaining plates 20 are provided on both sides of the lower end of the deep plowing hook 2. The two retaining plates 20 are similar to wing-shaped structures. The two retaining plates 20 extend backward to enclose the lower ends of the fertilizer pipe 5. The front end of the retaining plate 20 is welded to the side of the deep plowing hook 2 and does not exceed the front side of the deep plowing hook 2. The retaining plates 20 can effectively improve the feeding effect of the fertilizer pipe 5.

[0034] In this embodiment, the lower end of the fertilizing pipe 5 is 100 mm higher than the lower end of the deep loosening hook 2 .

[0035] The steps of using the protective tillage organic fertilizer deep application equipment of the present invention are as follows: S10, entering the working area under the tractor's back; S20, the tractor lowers the device by adjusting the suspension frame 7, so that the depth-limiting wheel 3 is in close contact with the ground and starts to move in the specified direction, and then the pressing roller 13 naturally falls to the ground; S30, driving the motor to start the feeding mechanism in the fertilizer box 4; S40, the organic fertilizer enters the fertilizer pipe 5 through the material distribution device and is applied to the lower part of the soil layer through the fertilizer pipe 5; S50, the pressing roller 13 presses and levels the ground surface after deep plowing, completing the deep application of organic fertilizer.

[0036] Through this embodiment, manure organic fertilizer can be quickly and effectively applied deep into the soil, so that the soil can fully absorb the nutrients in the fertilizer. At the same time, the odor emitted by the manure organic fertilizer can be effectively masked, avoiding the negative impact on the surrounding environment when large-scale farm manure is returned to the fields, making the return of manure organic fertilizer to the fields more environmentally friendly.

[0037] This embodiment can also flexibly adjust the lowest position of the deep loosening hook and the fertilizer pipe according to different soils to avoid damaging the soil structure, thereby achieving a better protection effect on the soil.

[0038] The foregoing description is merely a preferred embodiment of the present application and is not intended to limit the present application. Various modifications and variations are readily apparent to those skilled in the art. Any modifications, equivalent substitutions, or improvements made within the spirit and principles of the present application shall be included within the scope of protection of the present application.

Claims

1. A conservation tillage organic fertilizer deep application device, characterized in that: include: The subsoiling mechanism comprises: a rectangular frame and a subsoiling hook, depth-limiting wheels are provided on both sides of the front frame of the rectangular frame, a fertilizer box is provided above the rectangular frame, the bottom of the fertilizer box is narrowed, and a feeding mechanism is provided inside the fertilizer box, the subsoiling hook is vertically arranged in the frame opening of the rectangular frame, a fertilizer pipe is vertically arranged on the rear side of the subsoiling hook, the upper end of the fertilizer pipe corresponds to the fertilizer opening at the bottom of the fertilizer box, and the height and front and rear positions of the subsoiling hook and the fertilizer pipe are adjustable; The leveling mechanism comprises: a pressing frame and a pressing roller, wherein the pressing frame is hinged to the rear of the rectangular frame, and the pressing roller is rotatably mounted on the pressing frame, and the height of the pressing roller can be fixed; The suspension frame is arranged in front of the rectangular frame so that the suspension point of the suspension frame is hinged to the rear of the traction device.

2. The protective tillage organic fertilizer deep application equipment according to claim 1 is characterized in that: 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 clamped on the front and rear frames of the rectangular frame and are parallel to each other and spaced apart; The deep loosening hook and the fertilizer pipe are both located between the two stirrups. The ends of the two stirrups are connected as a whole through a locking plate, and the locking plate is abutted against the outer side of the rear frame of the rectangular frame.

3. The protective tillage organic fertilizer deep application equipment according to claim 2, characterized in that: A pair of arc-shaped orifice plates are vertically provided on the surface of the lock plate, and the holes on the surface of the orifice plates are distributed along the arc; The pressing frame is composed of a crossbeam and a pair of side plates, and is U-shaped as a whole. The pressing roller is rotatably installed between the two side plates. A connecting arm protrudes from the outer side of the crossbeam toward between the two orifice plates, and one end of the connecting arm away from the crossbeam is hinged between the two orifice plates; A positioning hole is provided on the surface of the connecting arm. When the connecting arm rotates between the two orifice plates, the positioning hole passes through the hole on the surface of the orifice plate.

4. The protective tillage organic fertilizer deep application equipment according to claim 2, characterized in that: The blocking plate and the barrier plate are both arranged horizontally in the frame opening of the rectangular frame and are parallel to each other, so that the ends of the stirrups pass through the blocking plate and the barrier plate at the same time; The blocking plate corresponds to the front frame of the rectangular frame, and the blocking plate corresponds to the rear frame of the rectangular frame; A first column corresponding to the stirrup protrudes from one side of the blocking plate facing the barrier plate, so that the stirrup passes through the cylinder cavity of the first column; The outer rotation sleeve of the first cylinder is provided with a gear roller.

5. The protective tillage organic fertilizer deep application equipment according to claim 4 is characterized in that: 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 thereof, so that both sides of the deep loosening hook are engaged with the gear rollers on the two stirrups at the same time; The lower section of the deep loosening hook is bent into a crescent shape toward the front frame of the rectangular frame; A positioning groove is provided on one side of the blocking plate facing the blocking plate, and the positioning groove corresponds to and fits with the end of the gear roller so that the rotation of the end of the gear roller is restricted after being inserted into the positioning groove.

6. The protective tillage organic fertilizer deep application equipment according to claim 5, characterized in that: A second column corresponding to the stirrup is vertically extended from one side of the blocking plate away from the plugging plate, so that the stirrup passes through the cylinder cavity of the second column; An anti-retraction nut is closely attached to one end of the second column away from the blocking plate, the anti-retraction nut is threadedly sleeved on the outside of the stirrup, and the diameter of the anti-retraction nut is larger than the diameter of the second column; Two upper and lower adjacent second cylinders are connected as a whole via a reaction plate.

7. The protective tillage organic fertilizer deep application equipment according to claim 6 is characterized in that: The fertilizer pipe is located between the blocking plate and the anti-retraction nut, and the front-to-back width of the fertilizer pipe is consistent with the length of the second cylinder; The lower end of the fertilizer pipe is inclined toward the lower end of the deep loosening hook so that the lower end of the fertilizer pipe is close to the rear side of the lower end of the deep loosening hook; Both sides of the lower end of the deep loosening hook are provided with retaining plates, and the two retaining plates extend backward to enclose both sides of the lower end of the fertilizer pipe; The central thread of the reaction plate is provided with a jack screw, and the head of the jack screw can be pressed against the side of the fertilizer pipe by rotating the jack screw.

8. The protective tillage organic fertilizer deep application equipment according to claim 1, characterized in that: The fertilizer inlet of the fertilizer box is covered with a filter screen in the shape of a roof ridge, and a guard plate is arranged around the filter screen, wherein the guard plates corresponding to the front and rear sides of the fertilizer box are detachable.

9. The protective tillage organic fertilizer deep application equipment according to claim 1, characterized in that: The unloading mechanism includes: a spiral feeding shaft and a dividing plate. The spiral feeding shaft is provided in pair. The two spiral feeding shafts are synchronously rotated and installed at the bottom of the box cavity of the fertilizer box. The surface of the spiral feeding shaft is divided into multiple sections, and the spiral directions of adjacent spiral sections are opposite. The spiral directions of the spiral segments at corresponding positions on the surfaces of the two spiral feed shafts are opposite; A fertilizer outlet is provided at the bottom of the fertilizer box corresponding to the intersection of adjacent spiral segments; A triangular material dividing plate is provided above the intersection of the adjacent spiral segments, with the tip of the material dividing plate facing upward.

10. The protective tillage organic fertilizer deep application equipment according to claim 4, characterized in that: A back plate is provided at the rear of the suspension frame, and the back plate is abutted against the front frame of the rectangular frame and centered; The back plate surface is provided with a through hole for the end of the stirrup to pass through; A positioning post is provided in the center of the back plate. The positioning post is threadedly sleeved on the center of the front frame of the rectangular frame. The positioning post is rotated to press its head against the center of the front plate surface of the blocking plate.

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