Fertilizer applicator suitable for powdery fertilizer

Abstract

The fertilizer applicator comprises a machine frame, a fertilizer box fixedly connected to the machine frame, a connecting mechanism fixedly connected to the machine frame, a transverse transmission shaft rotationally connected to the machine frame, a power input spline shaft in transmission connection with the transverse transmission shaft, an opening in the upper end of the fertilizer box, and a plurality of discharging ports formed in the fertilizer box. The rack is fixedly connected with a plurality of fertilizing ploughshares, the fertilizing ploughshares are provided with discharging channels, the fertilizer conveying pipes are communicated with the discharging channels, two fertilizer discharging shafts are rotationally connected into the fertilizer box, the transverse transmission shaft is in transmission connection with the fertilizer discharging shafts, and a speed change mechanism is arranged between the fertilizer discharging shafts and the transverse transmission shaft; the fertilizer discharging shaft is fixedly connected with a spiral fertilizer scraping knife and a fertilizer discharging wheel, the fertilizer discharging wheel is located at the position of the discharging port, the rack is fixedly connected with a rotary tillage mechanism, and the transverse transmission shaft is in transmission connection with the rotary tillage mechanism. According to the utility model, powdery fertilizer can be conveniently applied and spread, and meanwhile, rotary tillage and stirring are carried out, so that the fertilizer is fully mixed with soil.

Description

Technical Field

[0001] This utility model relates to the field of fertilizer applicator technology, and in particular to a fertilizer applicator suitable for powdered fertilizers. Background Technology

[0002] Generally, the cost of 1000KG of organic fertilizer is 400 to 800 yuan. If granulation is required, the cost will increase by more than 200 yuan, which will increase the cost by nearly 50%. In addition, some soil conditioners (such as bentonite) are best in powder form so that they can combine better with the soil. However, powdered fertilizer is inconvenient to apply, and fertilizer spreaders are prone to clogging when applying powdered fertilizer.

[0003] Therefore, a fertilizer applicator suitable for powdered fertilizers is proposed to solve the above problems. Utility Model Content

[0004] The purpose of this invention is to provide a fertilizer applicator suitable for powdered fertilizers, so as to solve the problems existing in the prior art and enable the convenient application of powdered fertilizers into the soil.

[0005] To achieve the above objectives, this utility model provides the following solution: This utility model provides a fertilizer applicator suitable for powdered fertilizers, comprising:

[0006] The machine includes a frame, on which a fertilizer bin is fixedly connected. A connecting mechanism is also fixedly connected to the frame. A transverse drive shaft is rotatably connected to the frame, and a power input spline shaft is driven through the transverse drive shaft. The fertilizer bin has an open top and several discharge ports, each connected to a fertilizer delivery hose. Several fertilizer applicators are fixedly connected to the frame, each applicator having a discharge channel. The fertilizer delivery hose communicates with the discharge channel. Two fertilizer discharge shafts are rotatably connected inside the fertilizer bin. The transverse drive shaft is driven through the fertilizer discharge shafts. A speed-changing mechanism is provided between the fertilizer discharge shafts and the transverse drive shaft. A spiral fertilizer scraper and a fertilizer discharge wheel are fixedly connected to the fertilizer discharge shafts, with the fertilizer discharge wheel located at the discharge port. A rotary tillage mechanism is fixedly connected to the frame, and the transverse drive shaft is driven through the rotary tillage mechanism.

[0007] Preferably, a protective shell is fixedly connected to the frame, the transverse drive shaft is located inside the protective shell, a gearbox is fixedly connected to the protective shell, a positioning tube is fixedly connected to the gearbox, a longitudinal drive shaft passes through the positioning tube, the longitudinal drive shaft is rotatably arranged inside the positioning tube, the longitudinal drive shaft extends into the gearbox, one end of the longitudinal drive shaft is connected to the power input spline shaft through a universal joint, and the other end of the longitudinal drive shaft is connected to the transverse drive shaft.

[0008] Preferably, a first sprocket is fixedly connected to the fertilizer discharge shaft, and a second sprocket is provided on the speed change mechanism. The first sprocket and the second sprocket are connected by a fertilizer discharge chain drive. A fertilizer discharge chain box is fixedly connected to the frame, and the first sprocket, the second sprocket, and the fertilizer discharge chain are all located inside the fertilizer discharge chain box.

[0009] Preferably, the speed change mechanism includes a speed change spline shaft, a speed change pulley, a fourth speed change gear, a fifth speed change gear, and a sixth speed change gear. A first speed change gear, a second speed change gear, and a third speed change gear are fixedly connected to the speed change pulley. The speed change pulley is fixedly linked to the spline shaft. The fourth, fifth, and sixth speed change gears are fixed to the transverse transmission shaft. A fertilizer application speed change handle mounting bracket is fixedly connected to the fertilizer discharge chain box. A fertilizer application speed change handle is rotatably connected to the fertilizer application speed change handle mounting bracket. A speed change lever is rotatably connected to the fertilizer application speed change handle. A shift fork is fixedly connected to the speed change lever. The speed change spline shaft is rotatably connected to the frame. A second sprocket is fixedly connected to one end of the speed change spline shaft, and a speed change lever mounting bracket is fixedly connected to the other end of the speed change spline shaft. The speed change lever is slidably connected to the speed change lever mounting bracket.

[0010] Preferably, the rotary tillage mechanism includes two rotary tillage frames, which are fixedly connected to the frame. A rotary tiller is rotatably connected between the two rotary tillage frames. A third sprocket is fixedly connected to the rotary tiller, and a fourth sprocket is fixedly connected to the transverse drive shaft. The third sprocket and the fourth sprocket are connected by a rotary tiller chain drive. A rotary tiller chain box is fixedly connected to the rotary tillage frame. The third sprocket, the fourth sprocket, and the rotary tiller chain are located inside the rotary tiller chain box, and a rotary tiller chain box cover is fixedly connected to the rotary tiller chain box.

[0011] Preferably, the rotary tiller includes a rotating shaft rotatably connected to the rotary tiller frame, a rotary tiller blade fixedly connected to the rotating shaft, a third sprocket fixedly connected to the rotating shaft, a rotary tiller cover fixedly connected to the rotary tiller frame, and a soil retainer plate rotatably connected to the rotary tiller cover. The rotary tiller cover and the soil retainer plate are rotatably connected by a hinge.

[0012] Preferably, a fertilizer receiving cup is fixedly connected to the discharge port, the fertilizer conveying hose is connected to the fertilizer receiving cup, and the fertilizer application plow is fixedly connected to the frame by a fertilizer application plow clip.

[0013] Preferably, a longitudinal bevel gear is fixedly connected to the longitudinal drive shaft, and a transverse bevel gear is fixedly connected to the transverse drive shaft. The longitudinal bevel gear meshes with the transverse bevel gear, and both the longitudinal bevel gear and the transverse bevel gear are located in the gearbox.

[0014] Preferably, the connecting mechanism includes a left suspension pin, a right suspension pin, and an upper suspension pin, all of which are mounted on the frame.

[0015] This utility model discloses the following technical effects: In this device, the fertilizer box is used to hold powdered fertilizer, the connecting mechanism is used to connect this device and the tractor, the power input spline shaft is connected to the power output structure of the tractor, the power input spline shaft transmits power to the transverse transmission shaft, the transverse transmission shaft transmits power to the speed change mechanism, after the speed change mechanism changes speed, the speed change mechanism drives the two fertilizer discharge shafts to rotate, when the fertilizer discharge shafts rotate, it will drive the spiral fertilizer scraper and fertilizer discharge wheel on the fertilizer discharge shaft to rotate, the spiral fertilizer scraper will push the fertilizer towards the discharge port, under the action of the fertilizer discharge wheel, the powdered fertilizer falls from the discharge port into the fertilizer delivery hose, the fertilizer applicator has a hollow structure and has a feeding channel, the fertilizer falls to the bottom surface through the feeding channel, the speed change mechanism can adjust the rotation speed of the fertilizer discharge shaft, thereby adjusting the amount of fertilizer discharged, the transverse transmission shaft will also drive the rotary tillage mechanism to rotate, the rotary tillage mechanism stirs the soil, so that the fertilizer and soil are fully mixed. This invention facilitates the application of powdered fertilizer while simultaneously rotary tilling and mixing it, ensuring thorough mixing between the fertilizer and the soil. Attached Figure Description

[0016] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0017] Figure 1 This is a schematic diagram of the structure of a fertilizer applicator suitable for powdered fertilizers according to this utility model;

[0018] Figure 2 This is a schematic diagram of the structure of this utility model from another angle;

[0019] Figure 3 This is a schematic diagram of the rotary tiller chain box structure of this utility model;

[0020] Figure 4 This is a schematic diagram of the fertilizer discharge chain structure of this utility model;

[0021] Figure 5 This is a schematic diagram of the transmission structure of this utility model;

[0022] Figure 6 This is an enlarged schematic diagram of the speed change mechanism of this utility model;

[0023] The components include: 1. Frame; 2. Fertilizer box; 3. Gearbox; 4. Rotary tiller chain box; 5. Chain box cover; 6. Transmission chain box; 7. Universal joint; 8. Left suspension pin; 9. Right suspension pin; 10. Upper suspension pin; 11. Rotary tiller frame; 12. Rotary tiller; 12-1. Rotary tiller rack; 12-2. Rack fixing screw; 13. Rotary tiller cover; 14. Soil retaining plate; 15. Hinge; 16. Fertilizer plowshare; 17. Fertilizer plowshare holder; 18. Fertilizer delivery hose; 19. Fertilizer receiving cup; 20. Fertilizer receiving cup fixing screw; 21. Bearing cover; 22. Fertilizer shift lever; 23. Power input spline shaft; 24. Longitudinal drive shaft; 25. Longitudinal bevel gear. ; 26. Transverse drive shaft; 27. Transverse bevel gear; 28-1. Third sprocket; 28-2. Fourth sprocket; 29. ​​Rotary tiller chain; 30. Fertilizer discharge chain; 31. Fertilizer discharge shaft; 32. Spiral fertilizer scraper; 33. Fertilizer discharge wheel; 34. Bearing; 36. Fertilizer shift lever mounting base; 37. Shift lever; 38. Shift lever mounting base; 40. Bearing seat; 41. Shift spline shaft; 42. Shift tower wheel; 42-1. First shift gear; 42-2. Second shift gear; 42-3. Third shift gear; 43. Fourth shift gear; 44. Fifth shift gear; 45. Sixth shift gear; 46. Shift fork. Detailed Implementation

[0024] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0025] To make the above-mentioned objectives, features and advantages of this utility model more apparent and understandable, the utility model will be further described in detail below with reference to the accompanying drawings and specific embodiments.

[0026] Reference Figure 1-6 This utility model provides a fertilizer applicator suitable for powdered fertilizers, comprising:

[0027] The machine consists of a frame 1, a fertilizer box 2 fixedly connected to the frame 1, a connecting mechanism fixedly connected to the frame 1, a transverse drive shaft 26 rotatably connected to the frame 1, a power input spline shaft 23 driven by the transverse drive shaft 26, an open top for the fertilizer box 2 with several discharge ports connected to the discharge ports by fertilizer delivery hoses 18, several fertilizer applicators 16 fixedly connected to the frame 1, each applicator having a feeding channel connected to the fertilizer delivery hoses, two fertilizer discharge shafts 31 rotatably connected inside the fertilizer box 2, the transverse drive shaft 26 being driven by the fertilizer discharge shafts 31, a speed change mechanism between the fertilizer discharge shafts 31 and the transverse drive shaft 26, a spiral fertilizer scraper 32 and a fertilizer discharge wheel 33 fixedly connected to the fertilizer discharge shafts 31, the fertilizer discharge wheel 33 being located at the discharge port, a rotary tillage mechanism fixedly connected to the frame 1, the transverse drive shaft 26 being driven by the rotary tillage mechanism.

[0028] In this device, the fertilizer box 2 is used to hold powdered fertilizer, the connecting mechanism is used to connect the device to the tractor, the power input spline shaft 23 is connected to the tractor's power output structure, the power input spline shaft 23 transmits power to the transverse drive shaft 26, the transverse drive shaft 26 transmits power to the transmission mechanism, after the transmission mechanism changes speed, the transmission mechanism drives the two fertilizer discharge shafts 31 to rotate. When the fertilizer discharge shafts 31 rotate, they will drive the spiral fertilizer scraper 32 and fertilizer discharge wheel 33 on the fertilizer discharge shafts 31 to rotate. The spiral fertilizer scraper 32 will push the fertilizer towards the discharge port. Under the action of the fertilizer discharge wheel 33, the powdered fertilizer falls from the discharge port into the fertilizer delivery hose 18. The fertilizer applicator 16 has a hollow structure and has a feeding channel. The fertilizer falls to the bottom surface through the feeding channel. The transmission mechanism can adjust the rotation speed of the fertilizer discharge shaft 31, thereby adjusting the amount of fertilizer discharged. The transverse drive shaft 26 will also drive the rotary tillage mechanism to rotate. The rotary tillage mechanism agitates the soil, so that the fertilizer and soil are fully mixed. In this embodiment, the fertilizer discharge shaft 31 is rotatably connected to the fertilizer box 2 via bearings, and the transverse transmission shaft 26 is rotatably connected to the frame 1 via bearings.

[0029] In this embodiment, a bearing 34 is fixedly connected to the fertilizer discharge shaft 31, and the bearing 34 is mounted on the fertilizer box 2 through the bearing seat 40.

[0030] The scheme is further optimized as follows: a protective shell is fixedly connected to the frame 1, the transverse drive shaft 26 is located inside the protective shell, a gearbox 3 is fixedly connected to the protective shell, a positioning tube is fixedly connected to the gearbox 3, a longitudinal drive shaft 24 is inserted through the positioning tube, the longitudinal drive shaft 24 is rotatably set inside the positioning tube, the longitudinal drive shaft 24 extends into the gearbox 3, one end of the longitudinal drive shaft 24 is connected to the power input spline shaft 23 through a universal joint 7, and the other end of the longitudinal drive shaft 24 is connected to the transverse drive shaft 26.

[0031] The power input spline shaft 23 transmits power to the transverse drive shaft 26 through the universal joint 7. The protective housing and gearbox 3 are used to protect the transverse drive shaft 26 and the longitudinal drive shaft 24.

[0032] The scheme is further optimized. A first sprocket is fixedly connected to the fertilizer discharge shaft 31, and a second sprocket is provided on the speed change mechanism. The first sprocket and the second sprocket are connected by a fertilizer discharge chain 30. A fertilizer discharge chain box 6 is fixedly connected to the frame 1. The first sprocket, the second sprocket and the fertilizer discharge chain 30 are all located in the fertilizer discharge chain box 6.

[0033] The power of the transmission mechanism is transmitted to the first sprocket through the second sprocket and the fertilizer discharge chain 30, thereby driving the fertilizer discharge chain 30 to rotate. The fertilizer discharge chain box 6 is used to protect the first sprocket, the second sprocket and the fertilizer discharge chain 30.

[0034] The optimized design includes a transmission mechanism comprising a transmission spline shaft 41, a transmission pulley 42, a fourth transmission gear 43, a fifth transmission gear 44, and a sixth transmission gear 45. A first transmission gear 42-1, a second transmission gear 42-2, and a third transmission gear 42-3 are fixedly connected to the transmission pulley 42, which is also fixedly connected to the spline shaft 41. The fourth transmission gear 43, the fifth transmission gear 44, and the sixth transmission gear 45 are fixed to the transverse transmission shaft 26 and the fertilizer discharge chain box 6. A fertilizer shift lever mounting base 36 is fixedly connected, a fertilizer shift lever 22 is rotatably connected to the fertilizer shift lever mounting base 36, a shift lever 37 is rotatably connected to the fertilizer shift lever 22, a shift fork 46 is fixedly connected to the shift lever 37, a shift spline shaft 41 is rotatably connected to the frame 1, a second sprocket is fixedly connected to one end of the shift spline shaft 41, and a shift lever mounting base 38 is fixedly connected to the other end of the shift spline shaft 41. The shift lever 37 is slidably connected to the shift lever mounting base 38.

[0035] Move the fertilizer shift lever 22, which will drive the shift lever 37 to move. The shift lever 37 shift fork 46 will move the shift tower wheel 42, so that different gears can mesh together to produce three speeds: high, medium and low, thereby adjusting the amount of fertilizer applied.

[0036] The rotary tillage mechanism is further optimized by including two rotary tillage frames 11, which are fixedly connected to the frame 1. A rotary tiller 12 is rotatably connected between the two rotary tillage frames 11. A third sprocket 28-1 is fixedly connected to the rotary tiller 12, and a fourth sprocket 28-2 is fixedly connected to the transverse drive shaft 26. The third sprocket 28-1 and the fourth sprocket 28-2 are connected by a rotary tiller chain 29. A rotary tiller chain box 4 is fixedly connected to the rotary tillage frame 11. The third sprocket, the fourth sprocket, and the rotary tiller chain 29 are located inside the rotary tiller chain box 4. A rotary tiller chain box cover 5 is fixedly connected to the rotary tiller chain box 4.

[0037] The transverse drive shaft 26 drives the fourth sprocket 28-2 to rotate. The fourth sprocket 28-2 drives the third sprocket 28-1 to rotate via the rotary tiller chain 29, thereby rotating the rotary tiller 12. This allows for rotary tillage of the soil, mixing fertilizer with the soil. The rotary tiller chain box 4 protects the third sprocket, the fourth sprocket, and the rotary tiller chain 29. The rotary tiller frame 11 is fitted with a bearing cover 21 by fixing screws.

[0038] The rotary tiller 12 is further optimized by including a rotating shaft that is rotatably connected to the rotary tiller frame 11. Rotary tiller blades 12-1 are fixedly connected to the rotating shaft, and a third sprocket 28-1 is fixedly connected to the rotating shaft. A rotary tiller cover 13 is fixedly connected to the rotary tiller frame 11, and a soil retainer 14 is rotatably connected to the rotary tiller cover 13. The rotary tiller cover 13 and the soil retainer 14 are rotatably connected by a hinge 15.

[0039] The third sprocket 28-1 drives the shaft to rotate, which in turn drives the rotary tiller blade 12-1 to rotate, tilling the soil. The retaining plate 14 reduces soil splashing.

[0040] The scheme is further optimized. A fertilizer receiving cup 19 is fixedly connected to the discharge port, and the fertilizer conveying hose 18 is connected to the fertilizer receiving cup 19. The fertilizer application plow 16 is fixedly connected to the frame 1 through the fertilizer application plow clip 17.

[0041] Fertilizer falls from the outlet into the fertilizer receiving cup 19, and then from the fertilizer receiving cup 19 into the fertilizer delivery hose 18.

[0042] The fertilizer receiving cup 19 is fixedly connected to the fertilizer box 2 by the fertilizer receiving cup fixing screw 20.

[0043] In a further optimized design, a longitudinal bevel gear 25 is fixedly connected to the longitudinal drive shaft 24, and a transverse bevel gear 27 is fixedly connected to the transverse drive shaft 26. The longitudinal bevel gear 25 and the transverse bevel gear 27 mesh with each other, and both the longitudinal bevel gear 25 and the transverse bevel gear 27 are located in the gearbox 3.

[0044] The longitudinal drive shaft 24 and the transverse drive shaft 26 are connected by meshing of the longitudinal bevel gear 25 and the transverse bevel gear 27.

[0045] The scheme is further optimized. The connecting mechanism includes a left suspension pin 8, a right suspension pin 9, and an upper suspension pin 10. The left suspension pin 8, the right suspension pin 9, and the upper suspension pin 10 are all installed on the frame 1.

[0046] Left suspension pin 8, right suspension pin 9 and upper suspension pin 10 are all used to connect with the tractor.

[0047] The working principle of this device is as follows: During use, the device is connected to the tractor via the left suspension pin 8, right suspension pin 9, and upper suspension pin 10. The power input spline shaft 23 is connected to the tractor's power output structure. Fertilizer is poured into the fertilizer box 2. The power input spline shaft 23 transmits power to the longitudinal drive shaft 24 through the universal joint 7. The longitudinal bevel gear 25 and the transverse bevel gear 27 mesh to achieve the transmission connection between the longitudinal drive shaft 24 and the transverse drive shaft 26. The transverse drive shaft 26 transmits power to the transmission mechanism. After the transmission mechanism changes speed, it drives the two fertilizer discharge shafts 31 to rotate. When the fertilizer discharge shaft 31 rotates, it drives the spiral fertilizer scraper 32 and fertilizer discharge wheel 33 on the fertilizer discharge shaft 31 to rotate. The spiral fertilizer scraper 32 pushes the fertilizer towards the discharge port. Under the action of the fertilizer discharge wheel 33, the powdered fertilizer falls from the discharge port into the fertilizer receiving cup 19, and then from the fertilizer receiving cup 19 into the fertilizer delivery hose 18, and then into the feeding channel of the fertilizer application plow 16. The transverse transmission shaft 26 drives the fourth sprocket to rotate. The fourth sprocket drives the third sprocket to rotate through the rotary tiller chain 29. The third sprocket drives the rotating shaft to rotate, and the rotating shaft drives the rotary tiller blade 12-1 to rotate, tilling the soil and mixing the fertilizer with the soil.

[0048] In the description of this utility model, it should be understood that the terms "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this utility model and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model.

[0049] The embodiments described above are merely preferred embodiments of the present utility model and are not intended to limit the scope of the present utility model. Various modifications and improvements made to the technical solutions of the present utility model by those skilled in the art without departing from the spirit of the present utility model should fall within the protection scope defined by the claims of the present utility model.

Claims

1. A fertilizer applicator suitable for powdered fertilizers, characterized in that, include: A frame (1) is provided, on which a fertilizer box (2) is fixedly connected. A connecting mechanism is fixedly connected to the frame (1). A transverse transmission shaft (26) is rotatably connected to the frame (1). The transverse transmission shaft (26) is connected to a power input spline shaft (23). The upper end of the fertilizer box (2) is open. Several discharge ports are provided on the fertilizer box (2). A fertilizer conveying hose (18) is connected to the discharge ports. Several fertilizer applicators (16) are fixedly connected to the frame (1). A feeding channel is provided on the fertilizer applicator (16). The hose (18) is connected to the feeding channel. Two fertilizer discharge shafts (31) are rotatably connected inside the fertilizer box (2). The transverse transmission shaft (26) is connected to the fertilizer discharge shaft (31). A speed change mechanism is provided between the fertilizer discharge shaft (31) and the transverse transmission shaft (26). A spiral fertilizer scraper (32) and a fertilizer discharge wheel (33) are fixedly connected on the fertilizer discharge shaft (31). The fertilizer discharge wheel (33) is located at the discharge port. A rotary tillage mechanism is fixedly connected on the frame (1). The transverse transmission shaft (26) is connected to the rotary tillage mechanism.

2. The fertilizer applicator suitable for powdered fertilizers according to claim 1, characterized in that: A protective shell is fixedly connected to the frame (1). The transverse drive shaft (26) is located inside the protective shell. A gearbox (3) is fixedly connected to the protective shell. A positioning tube is fixedly connected to the gearbox (3). A longitudinal drive shaft (24) is inserted through the positioning tube. The longitudinal drive shaft (24) is rotatably arranged inside the positioning tube. The longitudinal drive shaft (24) extends into the gearbox (3). One end of the longitudinal drive shaft (24) is connected to the power input spline shaft (23) through a universal joint (7). The other end of the longitudinal drive shaft (24) is connected to the transverse drive shaft (26).

3. The fertilizer applicator suitable for powdered fertilizers according to claim 1, characterized in that: A first sprocket is fixedly connected to the fertilizer discharge shaft (31), and a second sprocket is provided on the speed change mechanism. The first sprocket and the second sprocket are connected by a fertilizer discharge chain (30). A fertilizer discharge chain box (6) is fixedly connected to the frame (1). The first sprocket, the second sprocket, and the fertilizer discharge chain (30) are all located inside the fertilizer discharge chain box (6).

4. A fertilizer applicator suitable for powdered fertilizers according to claim 3, characterized in that: The transmission mechanism includes a transmission spline shaft (41), a transmission pulley (42), a fourth transmission gear (43), a fifth transmission gear (44), and a sixth transmission gear (45). A first transmission gear (42-1), a second transmission gear (42-2), and a third transmission gear (42-3) are fixedly connected to the transmission pulley (42). The transmission pulley (42) is fixedly linked to the spline shaft (41). The fourth transmission gear (43), the fifth transmission gear (44), and the sixth transmission gear (45) are fixed to the transverse transmission shaft (26). The fertilizer discharge chain box (6) is fixed with… A fertilizer shift lever fixing seat (36) is connected, a fertilizer shift lever (22) is rotatably connected to the fertilizer shift lever fixing seat (36), a shift lever (37) is rotatably connected to the fertilizer shift lever (22), a shift fork (46) is fixedly connected to the shift lever (37), a shift spline shaft (41) is rotatably connected to the frame (1), a second sprocket is fixedly connected to one end of the shift spline shaft (41), a shift lever fixing seat (38) is fixedly connected to the other end of the shift spline shaft (41), and the shift lever (37) is slidably connected to the shift lever fixing seat (38).

5. A fertilizer applicator suitable for powdered fertilizers according to claim 1, characterized in that: The rotary tiller includes two rotary tiller frames (11), which are fixedly connected to the frame (1). A rotary tiller (12) is rotatably connected between the two rotary tiller frames (11). A third sprocket (28-1) is fixedly connected to the rotary tiller (12). A fourth sprocket (28-2) is fixedly connected to the transverse drive shaft (26). The third sprocket (28-1) and the fourth sprocket (28-2) are connected by a rotary tiller chain (29). A rotary tiller chain box (4) is fixedly connected to the rotary tiller frame (11). The third sprocket (28-1), the fourth sprocket (28-2), and the rotary tiller chain (29) are located inside the rotary tiller chain box (4). A rotary tiller chain box cover (5) is fixedly connected to the rotary tiller chain box (4).

6. A fertilizer applicator suitable for powdered fertilizers according to claim 5, characterized in that: The rotary tiller (12) includes a rotating shaft, which is rotatably connected to the rotary tiller frame (11). A rotary tiller blade (12-1) is fixedly connected to the rotating shaft. A third sprocket is fixedly connected to the rotating shaft. A rotary tiller cover (13) is fixedly connected to the rotary tiller frame (11). A soil retainer plate (14) is rotatably connected to the rotary tiller cover (13). The rotary tiller cover (13) and the soil retainer plate (14) are rotatably connected by a hinge (15).

7. A fertilizer applicator suitable for powdered fertilizers according to claim 1, characterized in that: A fertilizer receiving cup (19) is fixedly connected to the discharge port, the fertilizer conveying hose (18) is connected to the fertilizer receiving cup (19), and the fertilizer application plow (16) is fixedly connected to the frame (1) through the fertilizer application plow clip (17).

8. A fertilizer applicator suitable for powdered fertilizers according to claim 2, characterized in that: A longitudinal bevel gear (25) is fixedly connected to the longitudinal drive shaft (24), and a transverse bevel gear (27) is fixedly connected to the transverse drive shaft (26). The longitudinal bevel gear (25) meshes with the transverse bevel gear (27), and both the longitudinal bevel gear (25) and the transverse bevel gear (27) are located in the gearbox (3).

9. A fertilizer applicator suitable for powdered fertilizers according to claim 1, characterized in that: The connecting mechanism includes a left suspension pin (8), a right suspension pin (9) and an upper suspension pin (10), all of which are mounted on the frame (1).

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