Root cutting, fertilizing and reseeding compound operation equipment for grassland

Abstract

The invention belongs to the technical field of agricultural machinery, and provides grassland root cutting, fertilizing and reseeding compound operation equipment, which comprises a root cutting assembly, a plurality of front cutter wheels arranged at the bottom of the front end of a vehicle body and a plurality of rear cutter wheel groups arranged at the bottom of the rear end of the vehicle body, and the front cutter wheels and the rear cutter wheel groups are respectively in transmission connection with a power box; the seeding assembly comprises a seeder, the bottom of the seeder is communicated with a seed guide pipe, the seeder is used for conveying grass seeds into the seed guide pipe, and the seed guide pipe is used for sowing the grass seeds into the grooves cut by the front cutter wheel; the fertilizing assembly comprises a fertilizer applicator, the bottom of the fertilizer applicator is communicated with a fertilizer guide pipe, the fertilizer applicator is used for conveying the fertilizer into the fertilizer guide pipe, and the fertilizer guide pipe is used for spreading the fertilizer into the grooves cut by the front cutter wheel. The device can synchronously and accurately complete root cutting, seeding and fertilizing operations, and is high in root cutting efficiency and more thorough in root cutting.

Description

Technical Field

[0001] The invention belongs to the technical field of agricultural machinery, and in particular relates to a grassland root cutting, fertilizing and reseeding compound operation equipment. Background Art

[0002] Grassland improvement has important ecological and economic value. Existing subsurface root cutting technology for improving Leymus chinensis grasslands has been put into practice and has achieved significant ecological and economic benefits. However, for severely degraded grasslands, where there are no roots to cut in the subsoil, root cutting technology cannot achieve its goal of promoting growth and rejuvenation. Furthermore, the soil organic matter layer is damaged, unable to provide sufficient nutrients for seed germination and plant growth. Therefore, this technology is difficult to apply to severely degraded Leymus chinensis grasslands. Therefore, improving severely degraded grasslands requires the addition of fertilization and seeding.

[0003] However, existing grass root cutting equipment still has the following problems: 1. The root cutting operation is not thorough, and it is easy for the grass roots in a row in the soil to not be cut off well; 2. Fertilization and sowing cannot be carried out while cutting the roots. Root cutting, fertilization, and sowing need to be completed step by step, resulting in low operation efficiency. Summary of the Invention

[0004] The purpose of the present invention is to provide a grassland root cutting, fertilizing and reseeding compound operation equipment to solve the above problems.

[0005] To achieve the above-mentioned object, the present invention provides the following solution: a grassland root cutting, fertilizing and reseeding compound operation equipment, comprising a vehicle body, a power box provided on the vehicle body, and further comprising:

[0006] The root cutting assembly includes a plurality of front cutting wheels arranged at the bottom of the front end of the vehicle body and a plurality of rear cutting wheel groups arranged at the bottom of the rear end of the vehicle body, wherein the front cutting wheels and the rear cutting wheel groups are respectively connected to the power box in a transmission manner;

[0007] A sowing assembly includes a seeder fixedly connected to the vehicle body, wherein the bottom of the seeder is connected to a seed guide tube, the seeder is used to transport grass seeds into the seed guide tube, and the seed guide tube is used to sow the grass seeds into the grooves cut by the front cutting wheel;

[0008] The fertilization assembly includes a fertilizer applicator fixedly connected to the vehicle body, the bottom of the fertilizer applicator is connected to a fertilizer guide pipe, the fertilizer applicator is used to transport fertilizer into the fertilizer guide pipe, and the fertilizer guide pipe is used to spread the fertilizer into the groove cut by the front cutting wheel.

[0009] Preferably, one of the front cutting wheel and one of the rear cutting wheel groups are provided correspondingly;

[0010] The rear cutting wheel group includes two groups of rear cutting wheels, and the plane where the front cutting wheel is located is located in the middle of the planes where the two rear cutting wheels are located.

[0011] Preferably, the front bottom of the vehicle body is rotatably connected to a front rotating shaft via a connecting rod, a plurality of the front cutting wheels are fixedly sleeved on the front rotating shaft, and the front rotating shaft is transmission-connected to the power box;

[0012] The rear end bottom of the vehicle body is rotatably connected to a rear rotating shaft through a connecting rod, and a plurality of rear cutting wheels are fixedly sleeved on the rear rotating shaft, and the rear rotating shaft is transmission-connected to the power box.

[0013] Preferably, a transfer case is fixedly connected to the vehicle body, a clutch on-off assembly and a transmission are provided in the transfer case, and the input end of the transmission is transmission-connected to the power box via the clutch on-off assembly.

[0014] Preferably, the seeder includes a first rotating shaft rotatably connected to the seeder and a plurality of working chambers opened in the seeder, the first rotating shaft is transmission-connected to the output end of the transmission, a plurality of seeding wheels are fixedly sleeved on the first rotating shaft, the plurality of seeding wheels are respectively located in the plurality of working chambers, a plurality of receiving grooves are evenly spaced on the side walls of the seeding wheel, the inner wall of the working chamber is in contact with the side walls of the seeding wheel, and the working chamber is communicated with the seed guide tube.

[0015] Preferably, the top and bottom of the working chamber are respectively connected to an upper channel and a lower channel, the top of the lower channel is connected to the holding groove, the bottom of the lower channel is connected to the seed guide tube through a seed drop port opened at the bottom of the seeder, the top of the upper channel is connected to a seed storage box, and the bottom of the upper channel is connected to the holding groove.

[0016] Preferably, the fertilizer applicator includes a second rotating shaft rotatably connected to the fertilizer applicator and a plurality of fertilizer chambers opened in the fertilizer applicator, the second rotating shaft is transmission-connected to the output end of the transmission, a plurality of fertilizer wheels are fixedly sleeved on the second rotating shaft, and the plurality of fertilizer wheels are respectively located in the plurality of fertilizer chambers, a plurality of baffles are fixedly connected to the side walls of the fertilizer wheels at equal intervals, the baffles are in contact with the side walls of the fertilizer chamber, and the fertilizer chamber is connected to the fertilizer guide pipe.

[0017] Preferably, the top and bottom of the fertilizing chamber are respectively connected to a feed channel and a discharge channel, the top of the discharge channel is arranged corresponding to the baffle, the bottom of the discharge channel is connected to the fertilizer guide pipe through a fertilizer drop port opened at the bottom of the fertilizer applicator, the top of the feed channel is connected to a fertilizer storage box, and the bottom of the feed channel is arranged corresponding to the baffle.

[0018] Preferably, the clutch on-off assembly includes a passive friction wheel transmission-connected to the input shaft of the transmission and an active friction wheel rotationally connected to the transfer case, the active friction wheel and the passive friction wheel are arranged correspondingly, the active friction wheel is coaxially fixedly connected to a spline sleeve on a side away from the passive friction wheel, a spline shaft is transmission-connected inside the spline sleeve, the spline shaft is transmission-connected to the power box, and a movable driving member is provided between the active friction wheel and the transfer case.

[0019] Preferably, the mobile driving member includes a toggle plate rotatably mounted on the spline sleeve and a screw rod rotatably connected to the transfer case, one end of the toggle plate away from the spline sleeve is threadedly mounted on the screw rod, and one end of the screw rod is transmission-connected to a motor.

[0020] Compared with the prior art, the present invention has the following advantages and technical effects: the main function of the front cutting wheel is to cut grass roots in the soil, and the main function of the cutting wheel group is to further cut grass roots in the soil at the rear of the vehicle body to ensure thorough root cutting; the main function of the seeder is to input grass seeds into the seed guide tube at a certain rate; the main function of the seed guide tube is to accurately sow the grass seeds into the grooves cut in the soil by the front cutting wheel; the main function of the fertilizer applicator is to accurately sow fertilizer into the fertilizer guide tube at a certain rate; the main function of the fertilizer guide tube is to accurately spread fertilizer into the grooves cut in the soil by the front cutting wheel and cover the grass seeds. Overall, the present invention combines grass root cutting with fertilization and seeding, making it more suitable for severely degraded Leymus chinensis grasslands. While cutting grass roots, grass seeds and fertilizer can be sown into the grooves cut in the soil by the cutting wheels, resulting in high seeding and fertilizing efficiency and helping to manage severely degraded grasslands. At the same time, the present invention has two sets of cutting wheels in the front and back, which can achieve more thorough cutting of grass roots in the soil. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the following briefly introduces the drawings required for use in the embodiments. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative work.

[0022] Figure 1 It is a schematic diagram of the main view of the compound operation equipment of the present invention;

[0023] Figure 2 It is a top view schematic diagram of the compound operation equipment of the present invention;

[0024] Figure 3 is a schematic cross-sectional view of a seeder according to the present invention;

[0025] Figure 4is a cross-sectional schematic diagram of a fertilizer applicator of the present invention;

[0026] Figure 5 is a schematic cross-sectional view of a transfer case of the present invention;

[0027] Among them, 1. body; 2. connecting assembly; 3. support wheel; 4. connecting rod; 5. front cutter wheel; 51. wave section; 6. power box; 7. first sprocket; 8. transfer case; 9. seed storage box; 10. fertilizer storage box; 11. seeder; 12. seed guide tube; 13. fertilizer applicator; 14. fertilizer guide tube; 15. rear cutter wheel; 16. second sprocket; 17. front shaft; 18. first output shaft; 19. third sprocket; 20. fourth sprocket; 21. fifth sprocket; 22. sixth sprocket; 23. sprocket group; 24. 1st rotating shaft; 25. 7th sprocket; 26. 2nd rotating shaft; 27. 8th sprocket; 28. 9th sprocket; 29. ​​Rear rotating shaft; 30. Seed drop port; 31. Fertilizer drop port; 32. Seeding wheel; 33. Container; 34. Upper channel; 35. Lower channel; 36. Discharge channel; 37. Fertilizer wheel; 38. Baffle; 39. Feed channel; 40. Transmission; 41. Input shaft; 42. Passive friction wheel; 43. Active friction wheel; 44. Spline sleeve; 45. 10th sprocket; 46. Toggle plate; 47. Screw rod; 48. Motor. DETAILED DESCRIPTION

[0028] The following will clearly and completely describe the technical solutions in the embodiments of the present invention in conjunction with the accompanying drawings. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0029] In order to make the above-mentioned objects, features and advantages of the present invention more obvious and easy to understand, the present invention is further described in detail below with reference to the accompanying drawings and specific embodiments.

[0030] Reference Figure 1-Figure 5 The present invention provides a grassland root cutting, fertilizing and reseeding compound operation equipment, comprising a vehicle body 1, a power box 6 is provided on the vehicle body 1, and further comprising:

[0031] The root cutting assembly includes a plurality of front cutting wheels 5 provided at the bottom of the front end of the vehicle body 1 and a plurality of rear cutting wheel groups provided at the bottom of the rear end of the vehicle body 1. The front cutting wheels 5 and the rear cutting wheel groups are respectively connected to the power box 6 in a transmission manner.

[0032] The sowing assembly includes a seeder 11 fixedly connected to the vehicle body 1. The bottom of the seeder 11 is connected to a seed guide tube 12. The seeder 11 is used to transport grass seeds into the seed guide tube 12. The seed guide tube 12 is used to sow the grass seeds into the grooves cut by the front cutting wheel 5.

[0033] The fertilizing assembly includes a fertilizer applicator 13 fixedly connected to the vehicle body 1. The bottom of the fertilizer applicator 13 is connected to a fertilizer guide pipe 14. The fertilizer applicator 13 is used to transport fertilizer into the fertilizer guide pipe 14, and the fertilizer guide pipe 14 is used to spread the fertilizer into the groove cut by the front cutting wheel 5.

[0034] The main function of the front cutting wheel 5 is to cut grass roots in the soil, and the main function of the cutting wheel group is to further cut grass roots in the soil at the rear of the vehicle body 1 to ensure thorough root cutting. The main function of the seeder 11 is to input grass seeds into the seed guide tube 12 at a certain rate. The main function of the seed guide tube 12 is to accurately sow the grass seeds into the grooves cut in the soil by the front cutting wheel 5. The main function of the fertilizer applicator 13 is to accurately sow fertilizer into the fertilizer guide tube 14 at a certain rate. The main function of the fertilizer guide tube 14 is to accurately spread fertilizer into the grooves cut in the soil by the front cutting wheel 5 and cover the grass seeds. Overall, the present invention combines grass root cutting with fertilization and seeding, making it more suitable for severely degraded Leymus chinensis grasslands. While cutting grass roots, grass seeds and fertilizer can be sown into the grooves cut in the soil by the cutting wheels. This improves seeding and fertilization efficiency and helps to improve the management of severely degraded grasslands. At the same time, the present invention provides two sets of cutting wheels, front and back, to achieve more thorough cutting of grass roots in the soil.

[0035] Further optimizing the solution, a front cutting wheel 5 and a rear cutting wheel group are correspondingly provided;

[0036] The rear cutter wheel assembly includes two groups of rear cutter wheels 15 , and the plane where the front cutter wheel 5 is located is located in the middle of the planes where the two rear cutter wheels 15 are located.

[0037] like Figure 2 As shown, one group of front cutting wheels 5 corresponds to two groups of rear cutting wheels 15. During operation, the two groups of rear cutting wheels 15 can not only cut the grass roots on both sides of the cutting position of the front cutting wheels 5 to improve the cutting efficiency, but also the two groups of rear cutting wheels 15 can push the soil on both sides of the grooves cut by the front cutting wheels 5 toward the middle, thereby achieving the effect of automatically covering the soil after sowing and fertilizing.

[0038] Further optimization scheme, such as Figure 1 As shown, the edges of the front cutter wheel 5 and the rear cutter wheel 15 are provided with a wave section 51. The wave section 51 can not only improve the cutting efficiency and reduce the cutting resistance, but also expand the width of the groove after cutting, which is convenient for sowing and fertilizing.

[0039] Further optimized, the front bottom of the vehicle body 1 is rotatably connected to a front shaft 17 through a connecting rod 4, a plurality of front cutting wheels 5 are fixedly sleeved on the front shaft 17, and the front shaft 17 is transmission-connected to the power box 6;

[0040] The rear end bottom of the vehicle body 1 is rotatably connected to a rear shaft 29 via a connecting rod 4 , and a plurality of rear cutter wheels 15 are fixedly sleeved on the rear shaft 29 , which is in transmission connection with the power box 6 .

[0041] like Figure 1 and Figure 2 As shown, the output end of the power box 6 is drivingly connected to the first output shaft 18. A third sprocket 19 is fixedly mounted on the first output shaft 18. The first sprocket 7 is fixedly mounted on the front rotating shaft 17. The third sprocket 19 is connected to the first sprocket 7 via a chain transmission. A fourth sprocket 20 is also fixedly mounted on the first output shaft 18. The rear end of the vehicle body 1 is rotatably connected to the second sprocket 16. The second sprocket 16 and the fourth sprocket 20 are connected via a chain transmission. The second sprocket 16 is connected to the eighth sprocket 27 via a connecting shaft. A ninth sprocket 28 is fixedly mounted on the rear rotating shaft 29. The ninth sprocket 28 and the eighth sprocket 27 are connected via a chain transmission.

[0042] According to a further optimization scheme, a transfer case 8 is fixedly connected to the vehicle body 1, and a clutch on-off assembly and a transmission 40 are provided in the transfer case 8. The input end of the transmission 40 is connected to the power box 6 through the clutch on-off assembly.

[0043] like Figure 1 and Figure 2 As shown, the main function of the transmission 40 is to enable the seed drill 11 and the fertilizer applicator 13 to operate at a suitable speed.

[0044] A further optimized solution is provided, in which the seeder 11 includes a first rotating shaft 24 rotatably connected to the seeder 11 and a plurality of working chambers opened in the seeder 11. The first rotating shaft 24 is transmission-connected to the output end of the transmission 40. A plurality of seeding wheels 32 are fixedly sleeved on the first rotating shaft 24. The plurality of seeding wheels 32 are respectively located in a plurality of working chambers. A plurality of receiving grooves 33 are evenly spaced on the side walls of the seeding wheels 32. The inner wall of the working chamber is in contact with the side walls of the seeding wheels 32, and the working chamber is communicated with the seed guide tube 12.

[0045] To further optimize the solution, the top and bottom of the working chamber are respectively connected to an upper channel 34 and a lower channel 35. The top of the lower channel 35 is connected to the holding groove 33, and the bottom of the lower channel 35 is connected to the seed guide tube 12 through a seed drop port 30 opened at the bottom of the seeder 11. The top of the upper channel 34 is connected to the seed storage box 9, and the bottom of the upper channel 34 is connected to the holding groove 33.

[0046] like Figure 2 As shown, a sprocket set 23 is fixedly sleeved on one end of the first rotating shaft 24, and the output end of the transmission is connected to the sixth sprocket 22 through the rotating shaft transmission. The sixth sprocket 22 is connected to the sprocket set 23 through a chain transmission.

[0047] like Figure 1 and Figure 3As shown, the transmission 40 drives the first rotating shaft 24 to rotate counterclockwise, causing the seeding wheel 32 to rotate counterclockwise, and the grass seeds fall from the seed storage box 9 into the upper channel 34 and automatically fall into the plurality of receiving grooves 33 exposed at the bottom of the upper channel 34. As the seeding wheel 32 continues to rotate, the receiving grooves 33 containing the grass seeds are exposed at the top of the lower channel 35. The grass seeds fall into the groove through the lower channel 35, the seed drop port 30 and the seed guide tube 12, completing the seeding work.

[0048] A further optimized solution is that the fertilizer applicator 13 includes a second rotating shaft 26 rotatably connected to the fertilizer applicator 13 and a plurality of fertilizer chambers opened in the fertilizer applicator 13. The second rotating shaft 26 is transmission-connected to the output end of the transmission 40. A plurality of fertilizer wheels 37 are fixedly sleeved on the second rotating shaft 26. The plurality of fertilizer wheels 37 are respectively located in the plurality of fertilizer chambers. A plurality of baffles 38 are fixedly connected to the side walls of the fertilizer wheels 37 at equal intervals. The baffles 38 are in contact with the side walls of the fertilizer chambers, and the fertilizer chambers are connected to the fertilizer guide pipe 14.

[0049] To further optimize the solution, the top and bottom of the fertilization chamber are respectively connected to the feed channel 39 and the discharge channel 36. The top of the discharge channel 36 is corresponding to the baffle 38. The bottom of the discharge channel 36 is connected to the fertilizer guide pipe 14 through the fertilizer outlet 31 opened at the bottom of the fertilizer applicator 13. The top of the feed channel 39 is connected to the fertilizer storage box 10, and the bottom of the feed channel 39 is corresponding to the baffle 38.

[0050] like Figure 2 As shown, a seventh sprocket 25 is fixedly sleeved on one end of the second rotating shaft 26 , and the sprocket set 23 is transmission-connected to the seventh sprocket 25 via a chain.

[0051] like Figure 1 and Figure 3 As shown, when the transmission 40 drives the first rotating shaft 24 to rotate counterclockwise, it drives the second rotating shaft 26 to rotate counterclockwise synchronously, causing the fertilizing wheel 37 to rotate counterclockwise, and the fertilizer falls from the fertilizer storage box 10 into the feed channel 39 and automatically falls between the two baffles 38. As the fertilizing wheel 37 continues to rotate, the fertilizer is pushed into the discharge channel 36 by the baffle 38, and the fertilizer falls into the groove through the discharge channel 36, the fertilizer outlet 31 and the fertilizer guide pipe 14, completing the fertilization work.

[0052] To further optimize the solution, the clutch on-off assembly includes a passive friction wheel 42 that is transmission-connected to the input shaft 41 of the transmission 40 and an active friction wheel 43 that is rotationally connected to the transfer case 8. The active friction wheel 43 is arranged corresponding to the passive friction wheel 42. The active friction wheel 43 is coaxially fixedly connected to a spline sleeve 44 on the side away from the passive friction wheel 42. A spline shaft is transmission-connected inside the spline sleeve 44. The spline shaft is transmission-connected to the power box 6. A movable drive member is arranged between the active friction wheel 43 and the transfer case 8.

[0053] To further optimize the solution, the mobile driving part includes a toggle plate 46 rotatably mounted on the spline sleeve 44 and a screw rod 47 rotatably connected to the transfer case 8. The end of the toggle plate 46 away from the spline sleeve 44 is threadedly mounted on the screw rod 47, and one end of the screw rod 47 is transmission-connected to the motor 48.

[0054] As a further optimization solution, the end of the spline shaft away from the spline sleeve 44 is transmission-connected with the tenth sprocket 45, and the first output shaft 18 is also fixedly sleeved with a fifth sprocket 21, and the fifth sprocket 21 is connected to the tenth sprocket 45 through a chain transmission.

[0055] like Figure 2 and Figure 5 As shown, during the operation, the active friction wheel 43 is in contact with the passive friction wheel 42, and the power box 6 drives the active friction wheel 43 to rotate, thereby causing the passive friction wheel 42 to drive the transmission 40 to operate, causing the sixth sprocket 22 to rotate, thereby driving the first rotating shaft 24 and the second rotating shaft 26 to rotate, so that sowing and fertilizing can be carried out synchronously.

[0056] When the equipment moves to the edge of the operating range, in order to avoid wasting grass seeds and fertilizers, the motor 48 can be controlled to drive the screw rod 47 to rotate. The screw rod 47 drives the toggle plate 46 to move away from the passive friction wheel 42 through thread transmission, and the active friction wheel 43 and the passive friction wheel 42 are separated. At this time, the transmission 40 will stop rotating due to the lack of power input, thereby stopping the sowing wheel 32 and the fertilizing wheel 37, thereby avoiding the sowing of fertilizers and grass seeds and avoiding waste.

[0057] In the description of the present invention, it should be understood that the terms "longitudinal", "transverse", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", etc., indicating the orientation or position relationship, are based on the orientation or position relationship shown in the accompanying drawings, and are only for the convenience of describing the present invention, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention.

[0058] The embodiments described above are merely descriptions of preferred embodiments of the present invention and are not intended to limit the scope of the present invention. Without departing from the spirit of the present invention, various modifications and improvements made to the technical solutions of the present invention by persons skilled in the art should fall within the scope of protection defined by the claims of the present invention.

Claims

1. A grassland root cutting, fertilizing and reseeding compound operation equipment, comprising a vehicle body (1), wherein a power box (6) is provided on the vehicle body (1), characterized in that: Also includes: A root cutting assembly comprises a plurality of front cutting wheels (5) arranged at the bottom of the front end of the vehicle body (1) and a plurality of rear cutting wheel groups arranged at the bottom of the rear end of the vehicle body (1), wherein the front cutting wheels (5) and the rear cutting wheel groups are respectively connected to the power box (6) in a transmission manner; A sowing assembly comprises a sowing device (11) fixedly connected to the vehicle body (1), the bottom of the sowing device (11) is connected to a seed guide tube (12), the sowing device (11) is used to transport grass seeds into the seed guide tube (12), and the seed guide tube (12) is used to sow the grass seeds into the grooves cut by the front cutting wheel (5); A fertilizing assembly comprises a fertilizer applicator (13) fixedly connected to the vehicle body (1), the bottom of the fertilizer applicator (13) being connected to a fertilizer guide pipe (14), the fertilizer applicator (13) being used to transport fertilizer into the fertilizer guide pipe (14), and the fertilizer guide pipe (14) being used to spread the fertilizer into the groove cut by the front cutting wheel (5).

2. The grassland root cutting, fertilizing and reseeding compound operation equipment according to claim 1, characterized in that: A front cutting wheel (5) and a rear cutting wheel group are correspondingly arranged; The rear cutting wheel group comprises two groups of rear cutting wheels (15), and the plane where the front cutting wheel (5) is located is located in the middle of the planes where the two rear cutting wheels (15) are located.

3. The grassland root cutting, fertilizing and reseeding compound operation equipment according to claim 2, characterized in that: The front bottom of the vehicle body (1) is rotatably connected to a front rotating shaft (17) via a connecting rod (4); a plurality of front cutting wheels (5) are fixedly sleeved on the front rotating shaft (17); and the front rotating shaft (17) is transmission-connected to the power box (6); The rear end bottom of the vehicle body (1) is rotatably connected to a rear rotating shaft (29) via a connecting rod (4); a plurality of rear cutting wheels (15) are fixedly sleeved on the rear rotating shaft (29); and the rear rotating shaft (29) is transmission-connected to the power box (6).

4. The grassland root cutting, fertilizing and reseeding compound operation equipment according to claim 1, characterized in that: A transfer case (8) is fixedly connected to the vehicle body (1), a clutch on-off assembly and a transmission (40) are provided in the transfer case (8), and an input end of the transmission (40) is transmission-connected to the power box (6) via the clutch on-off assembly.

5. The grassland root cutting, fertilizing and reseeding compound operation equipment according to claim 4, characterized in that: The seeder (11) includes a first rotating shaft (24) rotatably connected to the seeder (11) and a plurality of working chambers opened in the seeder (11), the first rotating shaft (24) being transmission-connected to the output end of the transmission (40), a plurality of seeding wheels (32) being fixedly sleeved on the first rotating shaft (24), the plurality of seeding wheels (32) being respectively located in the plurality of working chambers, a plurality of receiving grooves (33) being evenly spaced on the side walls of the seeding wheels (32), the inner wall of the working chamber being in contact with the side walls of the seeding wheels (32), and the working chamber being communicated with the seed guide tube (12).

6. The grassland root cutting, fertilizing and reseeding compound operation equipment according to claim 5, characterized in that: The top and bottom of the working chamber are respectively connected to an upper channel (34) and a lower channel (35); the top of the lower channel (35) is connected to the holding groove (33); the bottom of the lower channel (35) is connected to the seed guide tube (12) through a seed drop port (30) provided at the bottom of the seeder (11); the top of the upper channel (34) is connected to a seed storage box (9); and the bottom of the upper channel (34) is connected to the holding groove (33).

7. The grassland root cutting, fertilizing and reseeding compound operation equipment according to claim 4, characterized in that: The fertilizer applicator (13) includes a second rotating shaft (26) rotatably connected to the fertilizer applicator (13) and a plurality of fertilizer chambers provided in the fertilizer applicator (13). The second rotating shaft (26) is transmission-connected to the output end of the transmission (40). A plurality of fertilizer wheels (37) are fixedly sleeved on the second rotating shaft (26). The plurality of fertilizer wheels (37) are respectively located in the plurality of fertilizer chambers. A plurality of baffles (38) are fixedly connected to the side walls of the fertilizer wheels (37) at equal intervals. The baffles (38) are in contact with the side walls of the fertilizer chambers. The fertilizer chambers are communicated with the fertilizer guide pipe (14).

8. The grassland root cutting, fertilizing and reseeding compound operation equipment according to claim 7, characterized in that: The top and bottom of the fertilizing chamber are respectively connected to a feed channel (39) and a discharge channel (36); the top of the discharge channel (36) is arranged corresponding to the baffle (38); the bottom of the discharge channel (36) is connected to the fertilizer guide pipe (14) through a fertilizer outlet (31) provided at the bottom of the fertilizer applicator (13); the top of the feed channel (39) is connected to a fertilizer storage box (10); and the bottom of the feed channel (39) is arranged corresponding to the baffle (38).

9. The grassland root cutting, fertilizing and reseeding compound operation equipment according to claim 4, characterized in that: The clutch on-off assembly comprises a passive friction wheel (42) transmission-connected to the input shaft (41) of the transmission (40) and an active friction wheel (43) rotationally connected to the transfer case (8), wherein the active friction wheel (43) is arranged corresponding to the passive friction wheel (42), a spline sleeve (44) is coaxially fixedly connected to the side of the active friction wheel (43) away from the passive friction wheel (42), a spline shaft is transmission-connected inside the spline sleeve (44), and the spline shaft is transmission-connected to the power case (6), and a movable driving member is arranged between the active friction wheel (43) and the transfer case (8).

10. The grassland root cutting, fertilizing and reseeding compound operation equipment according to claim 9, characterized in that: The mobile driving member comprises a toggle plate (46) rotatably sleeved on the spline sleeve (44) and a screw rod (47) rotatably connected to the transfer case (8); one end of the toggle plate (46) away from the spline sleeve (44) is threadedly sleeved on the screw rod (47); one end of the screw rod (47) is transmission-connected to a motor (48).

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