CN107439113B

CN107439113B - Multifunctional fertilizer applicator

Info

Publication number: CN107439113B
Application number: CN201710772767.XA
Authority: CN
Inventors: 杨启东; 杨永林; 杨高明; 杨永宝; 温玉雷; 高兴宏; 杨永喜; 吴永生; 车文燕
Original assignee: Gaotai Jiabao Machinery Manufacturing Co ltd
Current assignee: Gaotai Jiabao Machinery Manufacturing Co ltd
Priority date: 2017-08-31
Filing date: 2017-08-31
Publication date: 2024-04-05
Anticipated expiration: 2037-08-31
Also published as: CN107439113A

Abstract

The invention discloses a multifunctional fertilizer applicator, belongs to the field of agricultural machinery, and aims to solve the problems that the existing fruit tree fertilizer applicators are poor in conveying effect and cannot accurately apply fertilizer to fruit trees. The utility model provides a multifunctional fertilizer distributor, which comprises a frame body, the fertilizer case, the (mixing) shaft, the plow body, controlling means, transmission, the bottom of fertilizer case transversely is equipped with the (mixing) shaft, the support body includes the front beam, the back beam, vice crossbeam, the frame longeron, transmission includes the main drive shaft, the main sprocket, driven sprocket, left vice main drive sprocket and right side vice main drive sprocket, controlling means includes push-pull type electro-magnet, the electrical apparatus control box, infrared probe, the top of left side material conveying bucket and right material conveying bucket all is equipped with push-pull type electro-magnet, the lower extreme of silo is equipped with the flashboard that opens and shuts, it has the connecting rod to articulate on the flashboard that opens and shuts, the upper portion of connecting rod is connected with push-pull type electro-magnet. The invention has the characteristics of simple structure, reasonable layout and flexible use, and is suitable for the solid fertilizer fertilization operation of various fruit trees.

Description

Multifunctional fertilizer applicator

Technical Field

The invention belongs to the field of agricultural machinery, and particularly relates to a multifunctional fertilizer distributor.

Background

At present, manual fertilization is adopted for the hypertrophy of solid fertilizer for fruit trees, labor and time are wasted, fertilization amount is inaccurate, and the technical requirements of agricultural solid fertilizer for fruit trees cannot be met.

The existing fruit tree fertilizer applicator is a single-type ditching fertilizer applicator, and the spiral blades arranged in the blanking pipe do not play a role in conveying, so that the phenomenon that the viscosity of the fertilizer is high is prevented. The electric baffle control is manually controlled by manpower. The soil covering plate connected with the rear of the frame is transversely scraped and has large working resistance. The single-row ditching operation is adopted, the efficiency is low, the milling and throwing disc is easy to wear, and the manual control controller cannot accurately fertilize the fruit trees.

Disclosure of Invention

The invention aims to provide a multifunctional fertilizer applicator to solve the problems that the existing fruit tree fertilizer applicators are poor in conveying effect and cannot accurately apply fertilizer to fruit trees.

The technical scheme adopted by the invention is as follows: a multifunctional fertilizer applicator comprises a frame body, a fertilizer box, a stirring shaft, a plow body and tires; the device comprises a frame body, a control device and a transmission device, wherein the frame body comprises a front cross beam, a rear beam, an auxiliary cross beam and a frame longitudinal beam, the two sides of the front cross beam and the rear beam are respectively provided with the frame longitudinal beam, the rear of the front cross beam is provided with the auxiliary cross beam, the middle of the bottom of the fertilizer box is sealed, the front and rear sides of the bottom of the fertilizer box are symmetrically provided with discharge ports, the front and rear of the lower end of each discharge port is symmetrically provided with a left conveying barrel and a right conveying barrel, the left conveying barrel is internally provided with a left conveying shaft, the right conveying barrel is internally provided with a right conveying shaft, the front ends of the left conveying shaft and the right conveying shaft are respectively provided with a left sprocket and a right sprocket, conveying blades are respectively arranged on the left conveying shaft and the right conveying shaft, and a blanking groove is respectively arranged below the rear ends of the left conveying barrel and the right conveying barrel; the transmission device comprises a main transmission shaft, a main chain wheel, a driven chain wheel, a left auxiliary main transmission chain wheel and a right auxiliary main transmission chain wheel, a first main shaft bearing seat and a second main shaft bearing seat are respectively arranged on the front cross beam and the auxiliary cross beam, and two ends of the main transmission shaft are respectively arranged on the first main shaft bearing seat and the first main shaft bearing seat; the front end of the stirring shaft is provided with a driven sprocket, a right auxiliary main driving sprocket and a left auxiliary main driving sprocket in parallel; a main transmission chain wheel is arranged on the main transmission shaft, the main transmission chain wheel is connected with a driven chain wheel through a transmission chain, a right auxiliary main transmission chain wheel is connected with a right chain wheel through a right chain, and a left auxiliary main transmission chain wheel is connected with a left chain wheel through a left chain; the control device comprises a push-pull electromagnet, an electric appliance control box and an infrared probe, wherein the push-pull electromagnets are arranged at the tops of the left conveying barrel and the right conveying barrel, an opening and closing flashboard is arranged at the lower end of the blanking groove, a connecting rod is hinged on the opening and closing flashboard, and the upper part of the connecting rod is connected with the push-pull electromagnet.

Further, two sides of the rear end of the discharge hole are respectively provided with an amount adjusting flashboard, and the lower end of the connecting rod is provided with a long hole.

Further, the rear lower ends of the left conveying barrel and the right conveying barrel are respectively provided with a notch, the rear ends of the notches are provided with a blanking groove connecting frame, and the blanking groove is arranged on the blanking groove connecting frame.

Further, the front beam upper portion is equipped with the mounted frame, and the middle part rear side of mounted frame is equipped with the bearing base, is equipped with first bearing frame on the bearing base, be equipped with the (mixing) shaft back bearing frame on the back beam, be equipped with the second bearing frame on the (mixing) shaft back bearing frame, install respectively on first bearing frame and second bearing frame at the both ends of (mixing) shaft, and the middle part of (mixing) shaft passes the part of fertilizer case and is equipped with the stirring tooth.

Further, bearing connection discs are respectively arranged at two ends of the auxiliary cross beam, and the left conveying shaft and the right conveying shaft are respectively arranged in bearing holes of the bearing connection discs.

Further, the front ends of the frame longitudinal beams on the two sides are welded with a frame connecting plate, and the frame connecting plate is provided with a frame longitudinal beam parallel to the frame longitudinal beam.

Further, the rear end of the chassis longitudinal beam is provided with a shaft tube, both sides of the shaft tube are provided with hub assemblies, and tires are arranged on the hub assemblies.

Further, the device also comprises hydraulic oil cylinders which are symmetrically arranged at the inner sides of the chassis longitudinal beams and positioned between the auxiliary cross beams and the shaft tube,

one end of the hydraulic cylinder is connected with a cylinder moving end connecting plate on the shaft tube, and the other end of the hydraulic cylinder is connected with a cylinder top end connecting plate pin arranged on the auxiliary beam.

Further, an adjusting frame is arranged at the rear end of the frame longitudinal beam, a probe tube is arranged on the adjusting frame, and an infrared probe is arranged in the probe tube.

Further, two sides of the back beam are provided with plow body connecting seats, the plow body is fixed on the plow body connecting seats through width limiting pins, the width limiting pins are provided with a plurality of parallel holes, the inner sides of the width limiting pins are arranged on width limiting connecting plates, and the width limiting connecting plates are arranged on the back beam; the inner sides of the two ends of the rear beam are respectively provided with fixed angle steel, and the left conveying bucket and the right conveying bucket are respectively fixed on the fixed angle steel through holding clamps.

The invention patent of the application has the following advantages:

(1) The invention relates to a complete set of machine tool composed of four parts, namely a bearing walking device, a power-driven fertilization conveying device, a ditching and soil covering device and an electronic control opening and closing device;

(2) The stirring shaft in the fertilizing box is provided with stirring teeth, so that the stirring is uniform and the blocking caused by high viscosity of the fertilizer can be prevented;

(3) The left, right, up and down of the ditching plow body can be adjusted, and the depth of the ditching plow body can be freely adjusted by a walking frame controlled by a hydraulic oil cylinder;

（4）。

(5) The photoelectric control opening and closing flashboard is accurate in fertilizing the fruit trees;

(6) The whole machine can be fully suspended for walking, and can also be controlled by a hydraulic cylinder for supporting and walking.

The invention has the characteristics of simple structure, reasonable layout and flexible use. The mechanical degree is high, the performance is stable, the fertilizing amount is adjustable, a user can flexibly transport the fertilizer according to the local agronomic requirements, and the fertilizer is applicable to the solid fertilizer fertilizing operation of various fruit trees.

Drawings

FIG. 1 is a front view of a multi-functional fertilizer applicator;

FIG. 2 is a left side view of a multi-functional fertilizer applicator;

FIG. 3 is a right side view of a multi-functional fertilizer applicator;

FIG. 4 is a top view of a multi-functional fertilizer applicator;

FIG. 5 is a view A-A of FIG. 4;

FIG. 6 is a front perspective view of a multi-functional fertilizer applicator;

fig. 7 is a rear perspective view of a multi-functional fertilizer applicator.

The reference numerals have the following meanings: 1. a fertilizer box; 2. an upper hanging frame; 3. a driven sprocket; 5. a bearing base; 7. a main drive shaft; 8. a traction plate; 9. a chassis connecting plate; 10. a pin; 12. a bearing connection pad; 13. a walking frame longitudinal beam; 14. a frame stringer; 15. a tire; 16. a hub assembly; 17. an infrared probe; 18. an adjusting frame; 19. a plow body; 20. discharging groove; 21. opening and closing the flashboard; 22. a connecting rod; 23. a scraper plate; 24. a connecting column; 25. an adjusting seat; 26. a scraper blade sloping beam; 27. a disc-type bearing seat; 28. a sealing plate; 29. a blanking groove connecting frame; 30. conveying blades; 31. push-pull electromagnet; 32. a rear bearing seat of the stirring shaft; 33. an electric appliance control box; 34. a stirring shaft; 35. a limit screw; 36. a quantity adjusting flashboard; 39. a probe mounting tube; 40. a scraper hinge; 42. a plow body connecting seat; 43. a support bar frame; 44. a spring pin; 45. a main longitudinal beam of the scraper; 46. a support rod; 47. a spring; 48. a width limiting pin; 49. a width-limiting connecting plate; 50. stirring teeth; 51. a front cross member; 52. an auxiliary cross beam; 53. a connecting plate at the top end of the oil cylinder; 54. a hydraulic cylinder; 55. a shaft tube; 56. a connecting plate at the moving end of the oil cylinder; 57. fixing angle steel; 58. a rear beam; 59. clamping; 61. a main sprocket; 101. a discharge port; 102. a notch; 103. a long hole; 111. left conveying shaft, 112. Right conveying shaft; 371. a left conveying barrel; 372. a right conveying barrel; 381. a left sprocket; 382. a right sprocket; 401. a first bearing mount, 402 a second bearing mount; 411. a first main shaft bearing block; 412. a second spindle bearing mount; 602. a right auxiliary main drive sprocket; 601. left auxiliary main driving chain wheel; 611. a drive chain; 612. a right chain; 613. and a left chain.

Detailed Description

The invention is described in further detail below with reference to the accompanying drawings.

In the embodiment, the left end shown in fig. 1 is the front of the frame body, and the right end is the rear of the frame body. The left end in fig. 2 is the position of the left conveying barrel and the left chain wheel, and the right end is the position of the right conveying barrel and the right chain wheel.

A multifunctional fertilizer applicator comprises a frame body, a fertilizer box 1, a stirring shaft 34, a plow body 19, a control device and a transmission device, wherein the stirring shaft 34 is transversely arranged at the bottom of the fertilizer box 1; the front of the front cross member 51 is provided with a traction plate 8.

The frame body comprises a front cross beam 51, a rear beam 58, an auxiliary cross beam 52 and a frame longitudinal beam 14, wherein the two sides of the front cross beam 51 and the rear beam 58 are respectively provided with the frame longitudinal beam 14, the rear of the front cross beam 51 is provided with the auxiliary cross beam 52, the bottom of the fertilizer box 1 is sealed, the front and rear sides of the bottom of the fertilizer box 1 are symmetrically provided with a discharge opening 101, the front and rear sides of the lower end of the discharge opening 101 are symmetrically provided with a left conveying barrel 371 and a right conveying barrel 372, the left conveying barrel 371 is internally provided with a left conveying shaft 111, the right conveying barrel 372 is internally provided with a right conveying shaft 112, the front ends of the left conveying shaft 111 and the right conveying shaft 112 are respectively provided with a left sprocket 381 and a right sprocket 382, conveying blades 30 are respectively arranged on the left conveying shaft 111 and the right conveying shaft 112, and a blanking groove 20 is respectively arranged below the rear ends of the left conveying barrel 371 and the right conveying barrel 372.

The rear ends of the left conveying barrel 371 and the right conveying barrel 372 are respectively provided with a flange, a sealing plate 28 and a disc type bearing seat 27 in parallel, and the rear ends of the left conveying shaft 111 and the right conveying shaft 112 are arranged in the disc type bearing seat 27.

The transmission device comprises a main transmission shaft 7, a main chain wheel 61, a driven chain wheel 3, a left auxiliary main transmission chain wheel 601 and a right auxiliary main transmission chain wheel 602, a front cross beam 51 and an auxiliary cross beam 52 are respectively provided with a first main shaft bearing seat 411 and a second main shaft bearing seat 412, and two ends of the main transmission shaft 7 are respectively arranged on the first main shaft bearing seat 411 and the first main shaft bearing seat 412; the front end of the stirring shaft 34 is provided with a driven sprocket 3, a right auxiliary main driving sprocket 602 and a left auxiliary main driving sprocket 601 in parallel; the main drive shaft 7 is provided with a main drive sprocket 61, the main drive sprocket 61 is connected with the driven sprocket 3 through a drive chain 611, the right sub main drive sprocket 602 is connected with the right sprocket 382 through a right chain 612, and the left sub main drive sprocket 601 is connected with the left sprocket 381 through a left chain 613.

The control device comprises a push-pull electromagnet 31, an electric appliance control box 33 and an infrared probe 17, wherein the push-pull electromagnet 31 is arranged at the top of each of the left conveying barrel 371 and the right conveying barrel 372, and the infrared probe 17 is arranged at the rear end of the frame longitudinal beam 14; the two sides of the rear end of the discharge hole 101 are respectively provided with an adjusting flashboard 36 with a long hole in the middle, the lower end of the lower trough 20 is provided with an opening flashboard 21, the opening flashboard 21 is hinged with a connecting rod 22, and the upper part of the connecting rod 22 is connected with a push-pull electromagnet 31; the lower end of the link 22 is provided with a long hole 103. After the blanking amount is adjusted, a limit screw 35 arranged on the material conveying barrel locks a quantity adjusting flashboard 36.

Since the initial pull force of the push-pull electromagnet 31 is small, a long hole 103 is provided at the lower end of the link 22 so that the initial pull force of the electromagnet is zero. The infrared probe 17 for controlling the push-pull electromagnet 31 is arranged on the adjusting frame 18 at the rear end of the frame longitudinal beam 14, and when the infrared probe 17 detects a signal, the push-pull electromagnet 31 is controlled to operate the opening and closing flashboard 21 through the electric control box 33 arranged at the rear of the fertilizer box 1.

The rear lower ends of the left and right delivery barrels 371 and 372 are provided with a slit 102 for the delivered fertilizer to leak down. The lower trough connecting frame 29 is arranged at the rear end of the notch 102, the lower trough 20 is arranged on the lower trough connecting frame 29, and the inclination and the extension of the lower trough 20 can be realized through adjusting holes arranged on the lower trough connecting frame 21 and the lower trough 20.

The upper portion of the front cross beam 51 is provided with an upper hanging frame 2, the rear side of the middle part of the upper hanging frame 2 is provided with a bearing base 5, the bearing base 5 is provided with a first bearing seat 401, the rear beam 58 is provided with a stirring shaft rear bearing seat 32, the stirring shaft rear bearing seat 32 is provided with a second bearing seat 402, two ends of a stirring shaft 34 are respectively arranged on the first bearing seat 401 and the second bearing seat 402, and a part of the middle part of the stirring shaft 34 penetrating through the fertilizer box 1 is provided with stirring teeth 50.

The two ends of the auxiliary cross beam 52 are respectively provided with a bearing connecting disc 12, and a left conveying shaft 111 and a right conveying shaft 112 are respectively arranged in bearing holes of the bearing connecting disc 12.

The front ends of the frame longitudinal beams 14 on the two sides are welded with a frame connecting plate 9, and the frame connecting plate 9 is provided with a frame longitudinal beam 13 parallel to the frame longitudinal beams 14. The upper end of the chassis connecting plate 9 is welded on the frame longitudinal beam 14, the lower end is provided with a hole, the front end of the walking frame longitudinal beam 13 is also provided with a hole, and the frame longitudinal beam 14 and the walking frame longitudinal beam 13 are connected through a pin 10. The rear end of the chassis longitudinal beam 13 is provided with a shaft tube 55, both sides of the shaft tube 55 are provided with hub assemblies 16, and the hub assemblies 16 are provided with tires 15.

The hydraulic cylinder 54 is symmetrically arranged on the inner side of the underframe longitudinal beam 13 and positioned between the auxiliary cross beam 52 and the shaft tube 55, one end of the hydraulic cylinder 54 is connected with a cylinder moving end connecting plate 56 on the shaft tube 55, and the other end of the hydraulic cylinder 54 is in pin connection with a cylinder top connecting plate 53 arranged on the auxiliary cross beam 52; for supporting the weight of the machine itself during walking and for limiting the depth of the plow body 19 during operation.

The rear end of the frame longitudinal beam is provided with an adjusting frame 18, a probe tube is arranged on the adjusting frame 18, and an infrared probe 17 is arranged in the probe tube. When the infrared probe detects an object, a signal is transmitted to the electromagnet through an electric control box 33 arranged on the fertilizer box 1, and the opening and closing flashboard 21 on the blanking chute 20 is timely opened through pushing and pulling of the electromagnet. Achieving the aim of accurate fertilization.

The two sides of the back beam 58 are provided with telescopic plow body connecting seats 42, the plow body 19 is fixed on the plow body connecting seats 42 through a width limiting pin 48, a plurality of parallel holes are arranged on the width limiting pin 48, the inner side of the width limiting pin 48 is arranged on a width limiting connecting plate 49, and the width limiting connecting plate 49 is arranged on the back beam 58; the inner sides of the two ends of the rear beam 58 are respectively provided with a fixed angle steel 57, and a left conveying barrel 371 and a right conveying barrel 372 are respectively fixed on the fixed angle steel 57 through a holding clamp 59. The plow 19 can be adjusted up and down in the plow connector 42. The retraction of the plow body attachment seat 42 can be limited as desired by the agricultural requirements. I.e., the distance that defines the side-to-side adjustment of plow 19.

The middle of the back beam 58 is provided with a main scraper beam 45, two sides of the main scraper beam 45 are respectively provided with an inclined scraper beam 26, two groups of adjusting seats are arranged in parallel, and the connecting columns 24 are arranged in the adjusting seats 25 and are connected with hinges on the scraper 23. The back of the adjusting seat 25 is provided with a supporting rod frame 43 for welding the two groups of adjusting seats 25 together. The middle of the supporting rod frame 43 is provided with a supporting rod 46, and the lower end of the supporting rod 46 is connected with a scraper hinge 40 arranged on the scraper 23. Springs 47 are provided on both sides of the support rod 46 and the support rod frame 43, and the spring pins 44 are engaged. The scraper 23 is designed to be 30-45 degrees oblique angle, so that the working resistance is effectively reduced, and the adjustment is simple and convenient.

When the fertilizer is applied, the tractor outputs power to drive the main transmission shaft 7 to rotate, and when the main transmission shaft 7 rotates, the main transmission chain wheel 61 drives the driven chain wheel 3 on the stirring shaft 34 to rotate simultaneously through the transmission chain 611, so that stirring operation is performed. While the right and left auxiliary main driving sprockets 602 and 601, which are connected in series on the stirring shaft 34, simultaneously drive the right and left sprockets 382 and 381 to rotate, respectively. The fertilizer of the fertilizer box 1 is delivered to the discharge chute 20 through the helical blade 30.

Claims

1. A multifunctional fertilizer spreader, comprising a frame, a fertilizer box, a stirring shaft, a plow body, and a tire; characterized in that: it also includes a control device and a transmission device; a stirring shaft (34) is longitudinally arranged at the bottom of the fertilizer box (1); the frame includes a front crossbeam (51), a rear beam (58), a secondary crossbeam (52), and a frame longitudinal beam (14); the frame longitudinal beams (14) are respectively arranged on both sides of the front crossbeam (51) and the rear beam (58); and a secondary crossbeam (52) is arranged behind the front crossbeam (51); the bottom of the fertilizer box (1) is closed in the middle, and discharge ports (101) are symmetrically arranged on the left and right sides of the bottom of the fertilizer box (1); the lower end of the discharge port (101) is on the left side. A left feed barrel (371) and a right feed barrel (372) are symmetrically arranged on the right, the left feed barrel (371) is provided with a left conveying shaft (111), the right feed barrel (372) is provided with a right conveying shaft (112), the front ends of the left conveying shaft (111) and the right conveying shaft (112) are provided with a left sprocket (381) and a right sprocket (382) respectively, the left conveying shaft (111) and the right conveying shaft (112) are provided with conveying blades (30), and the lower parts of the rear ends of the left feed barrel (371) and the right feed barrel (372) are provided with a feed chute (20); the transmission device comprises a main transmission shaft (7), a main transmission sprocket (61), a driven sprocket (3), A left auxiliary main transmission sprocket (601) and a right auxiliary main transmission sprocket (602); a first main shaft bearing seat (411) and a second main shaft bearing seat (412) are respectively installed on the front crossbeam (51) and the auxiliary crossbeam (52); two ends of the main transmission shaft (7) are respectively arranged on the first main shaft bearing seat (411) and the second main shaft bearing seat (412); a driven sprocket (3) and a right auxiliary main transmission sprocket (602) and a left auxiliary main transmission sprocket (601) are installed side by side at the front end of the stirring shaft (34); a main transmission sprocket (61) is installed on the main transmission shaft (7); the main transmission sprocket (61) is connected to the driven sprocket (3) through a transmission chain (611). The right auxiliary main transmission sprocket (602) is connected to the right sprocket (382) through a right chain (612), and the left auxiliary main transmission sprocket (601) is connected to the left sprocket (381) through a left chain (613); the control device comprises a push-pull electromagnet (31), an electrical control box (33), and an infrared probe (17); the tops of the left feeding barrel (371) and the right feeding barrel (372) are both provided with a push-pull electromagnet (31); the lower end of the feed chute (20) is provided with an opening and closing gate (21); a connecting rod (22) is hinged on the opening and closing gate (21), and the upper part of the connecting rod (22) is connected to the push-pull electromagnet (31);

Regulating gate plates (36) are respectively provided on both sides of the rear end of the discharge port (101), and a long hole (103) is provided at the lower end of the connecting rod (22);

The front ends of the frame longitudinal beams (14) on both sides are welded with a chassis connecting plate (9), and the chassis connecting plate (9) is provided with a chassis longitudinal beam (13) parallel to the frame longitudinal beam (14);

An axle tube (55) is provided at the rear end of the chassis longitudinal beam (13), wheel hub assemblies (16) are provided on both sides of the axle tube (55), and tires (15) are installed on the wheel hub assemblies (16);

It also includes a hydraulic cylinder (54), which is symmetrically arranged on the inner side of the chassis longitudinal beam (13) and located between the secondary cross beam (52) and the shaft tube (55), one end of the hydraulic cylinder (54) is connected to a cylinder movable end connecting plate (56) on the shaft tube (55), and the other end of the hydraulic cylinder (54) is pin-connected to a cylinder top end connecting plate (53) arranged on the secondary cross beam (52);

An adjustment frame (18) is installed at the rear end of the frame longitudinal beam (14), and a probe tube is provided on the adjustment frame (18), and an infrared probe (17) is installed in the probe tube.

2. The multifunctional fertilizer spreader according to claim 1 is characterized in that: the rear lower ends of the left and right feed barrels are both provided with cutouts, and a feed chute connecting frame is installed at the rear end of the cutout, and the feed chute is installed on the feed chute connecting frame.

3. The multifunctional fertilizer spreader according to claim 1 is characterized in that: an upper suspension frame (2) is provided on the upper part of the front cross beam (51), a bearing base (5) is provided on the rear side of the middle part of the upper suspension frame (2), a first bearing seat (401) is provided on the bearing base (5), a stirring shaft rear bearing base (32) is provided on the rear beam (58), a second bearing seat (402) is provided on the stirring shaft rear bearing base (32), two ends of the stirring shaft (34) are respectively mounted on the first bearing seat (401) and the second bearing seat (402), and a stirring tooth (50) is provided on the middle part of the stirring shaft (34) passing through the fertilizer box (1).

4. The multifunctional fertilizer spreader according to claim 1 is characterized in that: bearing connection plates (12) are respectively provided at both ends of the auxiliary crossbeam (52), and the left conveying shaft (111) and the right conveying shaft (112) are respectively installed in the bearing holes of the bearing connection plates (12).

5. The multifunctional fertilizer spreader according to claim 1 is characterized in that: plow body connecting seats (42) are installed on both sides of the rear beam (58), the plow body (19) is fixed to the plow body connecting seat (42) by a width limiting pin (48), the width limiting pin (48) is provided with a plurality of parallel holes, the inner side of the width limiting pin (48) is provided on a width limiting connecting plate (49), and the width limiting connecting plate (49) is provided on the rear beam (58); fixed angle steels (57) are respectively provided on the inner sides of both ends of the rear beam (58), and the left feed barrel (371) and the right feed barrel (372) are respectively fixed to the fixed angle steel (57) by clamps (59).