Stubble-cutting soil-avoiding root-cutting ridge-shaped repairing device with movable and fixed cutters capable of being separated and combined

Abstract

The invention belongs to agricultural machinery, and mainly relates to a detachable movable and fixed cutter stubble-cutting soil-avoiding root-cutting ridge shape repairing device, which comprises a stubble-cleaning device, a root-killing device and a soil-covering device, according to the stubble cleaning device, crop types are recognized in real time through an observation camera, crop type information is provided for a controller, the controller controls a movable cutter shaft and a sliding block to move all movable blades to form a novel combined movable and fixed cutter, the combined split type movable and fixed cutter can adapt to crushing of different crop stubbles, the adaptability and the stubble crushing quality of the stubble cutting cutter are improved, and the stubble cleaning efficiency is improved. According to the root-killing device, root-killing wheels move up and down through a cylindrical cam structure, soil between stubbles is avoided, large-area turning of the soil is avoided, soil moisture can be effectively preserved, the root-killing wheels are designed by imitating spiked clubs, the arrangement mode of the tips of the root-killing wheels is innovated, the root-killing wheels better conform to the distribution condition of corn root systems, high-quality root breaking is achieved, and the root-killing efficiency is improved. The soil covering device drives a soil covering plate to be opened and closed through a gear mechanism, and efficient repairing of the ridge shape of an area after root killing is achieved.

Description

Technical Field

[0001] The invention belongs to agricultural machinery, and mainly relates to a ridge-shaped repairing device with detachable movable and fixed blades for cutting stubble, avoiding soil and breaking roots. Background Art

[0002] The existing stubble crushing devices move too much soil during operation, causing serious soil moisture loss, poor stubble crushing effect, and serious damage to ridge shape, which affects subsequent agricultural production. Summary of the invention

[0003] The purpose of the present invention is to develop a ridge-shaped repairing device with detachable movable and fixed knives for cutting stubble, avoiding soil and breaking roots in response to the above-mentioned technical problems. The type of crop is identified by an observation camera, and the stubble-cutting movable and fixed knives adjust the combined knife shape according to the type of crop. The root-killing wheel with an up and down movement function is lifted up to avoid the soil between the two roots after cleaning the roots. The root-killing wheel tips arranged based on the distribution of the crop roots can achieve efficient crushing of the crop roots. The soil covering mechanism is designed according to the ridge shape characteristics to achieve ridge shape repair by covering the root-killing area with soil. The purpose of the present invention is achieved as follows: a ridge-shaped repairing device with detachable movable and fixed knives for cutting stubble, avoiding soil and breaking roots, characterized in that the device comprises a three-point suspension frame, a first shell, a stubble-killing device, a root crushing device and a soil covering device. The top of the first shell is fixedly equipped with a three-point suspension frame, the interior of the first shell is provided with a stubble-killing device, and the rear end of the first shell is provided with a root-killing device and a soil covering device in sequence from front to back.

[0004] The stubble killing device includes a power input gearbox, a first housing, a movable knife transmission shaft, a gear reducer, a deformable stubble killing movable knife device, and a deformable stubble killing fixed knife device. The power input gearbox is fixedly mounted on the top of the first housing, and the output shaft of the power input gearbox is coaxially fixed with the movable knife transmission shaft. The above-mentioned deformable stubble killing movable and fixed knife devices include a gear reducer, a movable knife shaft motor, a first stubble killing movable knife, a second stubble killing movable knife, a third stubble killing movable knife, a limit gear and a limit rack. The gear reducer is fixedly mounted at the bottom of the movable knife transmission shaft, and the movable knife shaft motor, the movable knife shaft motor battery and the movable knife shaft motor controller are all fixedly mounted on the side of the gear reducer. The movable knife shaft motor battery is connected to the movable knife shaft motor and the movable knife shaft motor controller respectively through wires, and the movable knife shaft motor controller is connected to the movable knife shaft motor through wires The output shaft of the movable knife shaft motor is coaxially fixed with the input shaft of the gear reducer, the movable knife shaft is coaxially fixed with the output shaft of the gear reducer, the first movable knife shaft disc is coaxially fixed on the upper part of the movable knife shaft, the limit rack plate is fixed on the lower side of the first movable knife shaft disc, the limit gear motor battery, the limit gear motor controller and the limit gear motor are all fixed on the limit rack plate, the limit gear motor battery is connected to the limit gear motor controller and the limit gear motor respectively through wires, the limit gear motor controller is connected to the limit gear motor through wires, the limit gear is fixed to the output shaft of the limit gear motor, the limit gear is meshed with the limit rack, the limit rack can be slidably installed in the slide groove of the limit rack plate, one end of the limit connecting rod is fixed at the bottom of the limit rack, and the limit connection The other end of the rod is fixedly mounted on the first stubble-cutting movable knife disc, and the movable knife disc connecting shaft is fixedly mounted on the inner side of the first stubble-cutting movable knife disc ring. Three groups of movable knife shaft sliding grooves facing up and down are opened on the movable knife shaft, and the movable knife disc connecting shaft can be slidably installed in the movable knife shaft sliding groove. The four first stubble-cutting movable knife connecting shafts are fixedly mounted on the first stubble-cutting movable knife disc at equal angles in the circumferential direction, and the first stubble-cutting movable knife is fixedly mounted on the corresponding first stubble-cutting movable knife connecting shaft. The cutting edge of the first stubble-cutting movable knife is serrated, and the serration adopts a straight-back tooth structure. The four second stubble-cutting movable knife connecting shafts are fixedly mounted on the second stubble-cutting movable knife disc at equal angles in the circumferential direction, and the second stubble-cutting movable knife is fixedly mounted on the corresponding second stubble-cutting movable knife connecting shaft. The cutting edge of the second stubble-cutting movable knife is serrated, and the serration adopts an isosceles triangle structure. The limit spring The two ends are respectively fixed on the first stubble-cutting movable knife disc and the second stubble-cutting movable knife disc, four third stubble-cutting movable knife connecting shafts are fixed on the third stubble-cutting movable knife disc at equal angles in the circumferential direction, the third stubble-cutting movable knife is fixed on the corresponding third stubble-cutting movable knife connecting shaft, the cutting edge of the third stubble-cutting movable knife is serrated, and the serration adopts a straight-back tooth structure, the two ends of the limit spring are respectively fixed on the second stubble-cutting movable knife disc and the third stubble-cutting movable knife disc, the first stubble-cutting movable knife disc, the second stubble-cutting movable knife disc and the third stubble-cutting movable knife disc can be slidably installed in the movable knife shaft slide groove, the first stubble-cutting movable knife, the second stubble-cutting movable knife and the third stubble-cutting movable knife constitute a deformable stubble-cutting movable knife group, two groups of deformable stubble-cutting movable knife groups are axially arranged on the movable knife shaft, and the second movable knife shaft disc is coaxially fixed on the bottom of the movable knife shaft.The limiting rack plate is fixedly mounted on the upper end of the second moving knife shaft disc. The above-mentioned deformable stubble-killing fixed knife device comprises a first fixed knife seat, a fixed knife slider motor, a fixed knife slider, a fixed knife slide rail, a first stubble-killing fixed knife, a second stubble-killing fixed knife and a third stubble-killing fixed knife. The first fixed knife seat is fixedly mounted on the upper part of the side plate of the first shell, the second fixed knife base is fixedly mounted on the lower part of the side plate of the first shell, one end of the fixed knife slide rail is fixedly mounted on the lower side of the first fixed knife seat, and the other end of the fixed knife slide rail is fixedly mounted on the upper end of the second fixed knife base. The fixed knife slider is slidably mounted on the fixed knife slide rail, the fixed knife slider motor, the fixed knife slider motor battery and the fixed knife slider motor controller are all fixedly mounted on the fixed knife slider, and the fixed knife slider motor batteries are respectively connected to the fixed knife slider battery through wires. The machine is connected to the fixed knife slider motor controller, the fixed knife slider motor is connected to the fixed knife slider motor controller through wires, the first stubble-cutting fixed knife connecting shaft is fixedly mounted on the fixed knife slider, the first stubble-cutting fixed knife is fixedly mounted on the first stubble-cutting fixed knife connecting shaft, the second stubble-cutting fixed knife connecting shaft is fixedly mounted on the fixed knife slider, the second stubble-cutting fixed knife is fixedly mounted on the second stubble-cutting fixed knife connecting shaft, the third stubble-cutting fixed knife connecting shaft is fixedly mounted on the fixed knife slider, the third stubble-cutting fixed knife is fixedly mounted on the third stubble-cutting fixed knife connecting shaft, the first stubble-cutting fixed knife, the second stubble-cutting fixed knife and the third stubble-cutting fixed knife constitute a deformable stubble-cutting fixed knife group, the fixed knife slide rail is provided with two groups of upper and lower deformable stubble-cutting fixed knife groups, each group of deformable stubble-cutting movable knives and each group of deformable stubble-cutting fixed knives are arranged alternately.

[0005] The root destroying device comprises a cylindrical cam connecting shaft, a cylindrical cam frame, a cylindrical cam, a cylindrical cam motor, a cylindrical cam slide rod, a root destroying wheel shaft, a root destroying wheel tip, a root destroying wheel motor and a second shell. The cylindrical cam frame is fixedly mounted on the first shell. The cylindrical cam motor, the cylindrical cam motor battery and the cylindrical cam motor controller are all fixedly mounted on the cylindrical cam frame. The cylindrical cam motor battery is respectively connected to the cylindrical cam motor and the cylindrical cam motor controller through wires. The cylindrical cam motor controller is connected to the cylindrical cam motor through wires. The cylindrical cam is rotatably mounted on the cylindrical cam frame. The output shaft of the cylindrical cam motor is coaxially fixed with the cylindrical cam. The cylindrical cam is rotatably mounted in the cylindrical cam frame. The cylindrical cam connecting shaft is slidably mounted in the slide groove of the cylindrical cam. The cylindrical cam connecting shaft is fixedly mounted with the cylindrical cam slide rod. The cylindrical cam slide rod is slidably mounted on the cylindrical cam frame. It is fixedly mounted on the motor seat of the root-destroying wheel. The root-destroying wheel motor, the root-destroying wheel motor battery, the root-destroying wheel motor controller and the observation camera are all fixedly mounted on the motor seat of the root-destroying wheel. The root-destroying wheel motor battery is connected to the root-destroying wheel motor, the root-destroying wheel motor controller and the observation camera through wires respectively. The root-destroying wheel motor is connected to the root-destroying wheel motor controller through wires. The output shaft of the root-destroying wheel motor is fixedly mounted coaxially with the root-destroying wheel shaft. The root-destroying wheel adopts an imitation mace design. The root-destroying wheel tip is fixedly mounted on the root-destroying wheel shaft. The root-destroying wheel tip is arranged according to the distribution of the corn root system. The two ends of the root-destroying wheel tip are arranged at a large angle and the middle part is vertically distributed. Spiral grooves are arranged on the surface to achieve the effect of reducing viscosity and drag. The motor seat of the root-destroying wheel is fixedly mounted on the same side of the root-destroying wheel shell. Two left and right root-destroying wheel shell slide grooves are opened on the back side of the second shell. The root-destroying wheel shell sliders are fixedly mounted at both ends of the root-destroying wheel shell, and the root-destroying wheel shell sliders can be slidably mounted in the root-destroying wheel shell slide grooves.

[0006] The soil covering device includes a soil covering motor, a first connecting shaft, a soil covering motor seat, a soil covering active spur gear connecting rod, a soil covering driven spur gear connecting rod, and a soil covering plate. The soil covering motor seat is fixedly mounted on the root extinguishing wheel housing. The soil covering motor, the soil covering motor battery, and the soil covering motor controller are all fixedly mounted on the soil covering motor seat. The soil covering motor battery is respectively connected to the soil covering motor controller and the soil covering motor through wires. The soil covering motor is connected to the soil covering motor controller through wires. The output shaft of the soil covering motor is fixedly mounted on the soil covering active spur gear connecting rod. The spur gear of the soil covering active spur gear connecting rod is meshed with the spur gear of the soil covering driven spur gear connecting rod. A second connecting shaft is fixedly mounted on one end of the soil covering active spur gear connecting rod. The second connecting shaft is hinged to the first connecting rod. The third connecting shaft is fixedly mounted on the first connecting rod. One end of the second connecting rod is hinged to the third connecting shaft. One end of the third connecting rod is hinged to the third connecting shaft. The sixth connecting shaft is fixedly mounted on the It is installed on the soil covering motor base, the other end of the second connecting rod is hinged with the sixth connecting shaft, the other end of the third connecting rod is hinged with the sixth connecting shaft, the soil covering plate is fixed to the end of the first connecting rod, the first connecting shaft is fixed to the soil covering motor base, the soil covering driven spur gear connecting rod is rotatably installed on the first connecting shaft, the fourth connecting shaft is fixed to the connecting rod of the soil covering driven spur gear connecting rod, the fifth connecting rod is fixed to the fourth connecting shaft, the fifth connecting shaft is fixed to the fifth connecting rod, one end of the fourth connecting rod can be hinged with the fifth connecting shaft, one end of the sixth connecting rod is hinged to the lower end of the fifth connecting shaft, the seventh connecting shaft is fixed to the soil covering motor base, the other end of the fourth connecting rod is hinged with the seventh connecting shaft, the other end of the sixth connecting rod is hinged with the seventh connecting shaft, the side end of the soil covering plate is fixed to the end of the fifth connecting rod, and the soil covering plate is designed to be trapezoidal in shape according to the ridge type, thereby constituting a ridge shape repairing device with a detachable and movable fixed knife for cutting stubble, avoiding soil and breaking roots.

[0007] Compared with the prior art, the beneficial effects of the present invention are as follows: the present invention mainly includes a stubble-killing device, a root-killing device, and a soil-covering device; the stubble-killing device recognizes the type of crop in real time through an observation camera, and provides the crop type information to a controller; the controller controls the movable knife shaft and the slider to move each movable knife blade to form a new type of combined movable and fixed knife; the combined split movable and fixed knife can adapt to the crushing of different crop stubble bodies, improve the adaptability of the stubble cutting tool and the crushing quality; the root-killing device uses a cylindrical cam structure to move the root-killing wheel up and down to avoid the soil between the root stubbles, thereby avoiding large-scale soil turning and effectively conserving soil moisture; the root-killing wheel adopts a design modeled on a mace, and innovates the arrangement of the root-killing wheel tip to make it more in line with the distribution of corn roots and achieve high-quality root crushing; the soil-covering device drives the soil-covering plate to open and close through a gear mechanism, thereby achieving efficient repair of the regional ridge shape after root-killing. BRIEF DESCRIPTION OF THE DRAWINGS

[0008] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention and do not constitute a limitation of the present invention. In the accompanying drawings:

[0009] Figure 1 Axonometric view of a ridge-shaped repair device with a detachable movable and fixed blade for cutting stubble, avoiding soil and removing roots

[0010] Figure 2 Axonometric view of the stubble removal device

[0011] Figure 3 Axonometric view of the root removal device

[0012] Figure 4 Axonometric view of the covering device

[0013] Description of part numbers in the figure:

[0014] 1. Three-point suspension frame 2. Power input gearbox 3. First housing 4. First fixed knife seat 5. Fixed knife slide rail 6. Fixed knife slider 7. Fixed knife slider motor 8. First stubble-cutting fixed knife connecting shaft 9. First stubble-cutting fixed knife 10. Second stubble-cutting fixed knife 11. Second stubble-cutting fixed knife connecting shaft 12. Third stubble-cutting fixed knife 13. Third stubble-cutting fixed knife connecting shaft 14. Fixed knife slider motor battery 15. Fixed knife slider motor controller 16. Moving knife transmission shaft 17. Gear reducer 18. Moving knife shaft motor 19. Moving knife shaft motor battery 20. Moving knife shaft motor controller 21 , movable knife shaft 22, first movable knife shaft disc 23, movable knife disc connecting shaft 24, first stubble removing movable knife disc 25, first stubble removing movable knife connecting shaft 26, first stubble removing movable knife 27, second stubble removing movable knife connecting shaft 28, second stubble removing movable knife 29, limit spring 30, third stubble removing movable knife 31, third stubble removing movable knife connecting shaft 32, movable knife shaft slide groove 33, second movable knife shaft disc 34, limit gear 35, limit rack 36, limit gear motor battery 37, limit gear motor controller 38, limit gear motor 39, limit connecting rod 40, Cylindrical cam motor 41, cylindrical cam motor battery 42, cylindrical cam motor controller 43, cylindrical cam connecting shaft 44, cylindrical cam frame 45, cylindrical cam 46, cylindrical cam slide bar 47, root extermination wheel motor seat 48, observation camera 49, root extermination wheel motor controller 50, root extermination wheel motor battery 51, root extermination wheel motor 52, second housing 53, root extermination wheel housing slide 54, root extermination wheel housing slider 55, root extermination wheel housing 56, root extermination wheel shaft 57, soil covering motor 58, soil covering motor battery 59, soil covering motor controller 60 , first connecting shaft 61, soil covering driven spur gear connecting rod 62, soil covering motor seat 63, second connecting shaft 64, first connecting rod 65, soil covering active spur gear connecting rod 66, second connecting rod 67, third connecting shaft 68, third connecting rod 69, fourth connecting shaft 70, fourth connecting rod 71, fifth connecting rod 72, fifth connecting shaft 73, sixth connecting rod 74, sixth connecting shaft 75, seventh connecting shaft 76, soil covering plate 77, second fixed knife base 78, limiting rack plate 79, second stubble removing movable knife disc 80, third stubble removing movable knife disc 81, root removing wheel tip DETAILED DESCRIPTION

[0015] The following is a detailed description of the implementation scheme of the present invention in conjunction with the accompanying drawings. A ridge-shaped repair device with detachable movable and fixed knives for cutting stubble, avoiding soil and breaking roots comprises a three-point suspension frame 1, a first shell 3, a stubble-killing device, a root-killing device, and a soil-covering device. The three-point suspension frame 1 is fixedly mounted on the top of the first shell 3, the stubble-killing device is arranged inside the first shell 3, and the root-killing device and the soil-covering device are arranged in sequence from front to back at the rear end of the first shell 3.

[0016] The stubble removing device comprises a power input gearbox 2, a first housing 3, a movable knife transmission shaft 16, a gear reducer 17, a deformable movable knife device for stubble removing, and a deformable fixed knife device for stubble removing. The power input gearbox 2 is fixedly mounted on the top of the first housing 3, and the output shaft of the power input gearbox 2 is coaxially fixedly mounted with the movable knife transmission shaft 16. The above-mentioned deformable movable and fixed knife devices for stubble removing comprise a gear reducer 17, a movable knife shaft motor 18, a first movable knife for stubble removing 26, a second movable knife for stubble removing 28, a third movable knife for stubble removing 30, a limit gear 34 and a limit rack 35. The gear reducer 17 is fixedly mounted on the bottom of the movable knife transmission shaft 16, and the movable knife shaft motor 18, the movable knife shaft motor battery 19 and the movable knife shaft motor controller 20 are all fixedly mounted on the side of the gear reducer 17. The movable knife shaft motor battery 19 is connected to the movable knife shaft motor by electric wires. The movable knife shaft motor 18 is respectively connected to the movable knife shaft motor 18 and the movable knife shaft motor controller 20, the movable knife shaft motor controller 20 is connected to the movable knife shaft motor 18 through wires, the output shaft of the movable knife shaft motor 18 is coaxially fixed with the input shaft of the gear reducer 17, the movable knife shaft 21 is coaxially fixed with the output shaft of the gear reducer 17, the first movable knife shaft disc 22 is coaxially fixed on the upper part of the movable knife shaft 21, the limit rack plate 78 is fixed on the lower side of the first movable knife shaft disc 22, the limit gear motor battery 36, the limit gear motor controller 37 and the limit gear motor 38 are all fixed on the limit rack plate 78, the limit gear motor battery 36 is respectively connected to the limit gear motor controller 37 and the limit gear motor 38 through wires, and the limit gear motor controller 37 is connected to the limit gear motor 3 through wires. 8 is connected, the limit gear 34 is fixedly mounted on the output shaft of the limit gear motor 38, the limit gear 34 is meshed with the limit rack 35, the limit rack 35 is slidably mounted in the slide groove of the limit rack plate 78, one end of the limit connecting rod 39 is fixedly mounted on the bottom of the limit rack 35, and the other end of the limit connecting rod 39 is fixedly mounted on the first stubble-killing movable knife disc 24, the movable knife disc connecting shaft 23 is fixedly mounted on the annular inner side of the first stubble-killing movable knife disc 24, and three groups of movable knife shaft sliding grooves 32 opposite to each other are opened on the movable knife shaft 21, and the movable knife disc connecting shaft 23 is slidably mounted in the movable knife shaft sliding groove 32, four first stubble-killing movable knife connecting shafts 25 are fixedly mounted on the first stubble-killing movable knife disc 24 at equal angles in the circumferential direction, and the first stubble-killing movable knives 26 are all fixedly mounted on the corresponding first stubble-killing movable knife connecting shafts 23. On the connecting shaft 25, the first stubble-cutting movable knife 26 has a sawtooth-shaped cutting edge, and the sawtooth adopts a straight-back tooth structure. The four second stubble-cutting movable knife connecting shafts 27 are fixedly mounted on the second stubble-cutting movable knife disc 79 at equal angles in the circumferential direction. The second stubble-cutting movable knives 28 are all fixedly mounted on the corresponding second stubble-cutting movable knife connecting shafts 27. The second stubble-cutting movable knives 28 have a sawtooth-shaped cutting edge, and the sawtooth adopts an isosceles triangle structure. The two ends of the limit spring 29 are respectively fixedly mounted on the first stubble-cutting movable knife disc 24 and the second stubble-cutting movable knife disc 79. The four third stubble-cutting movable knife connecting shafts 31 are fixedly mounted on the third stubble-cutting movable knife disc 80 at equal angles in the circumferential direction. The third stubble-cutting movable knife 30 is all fixedly mounted on the corresponding third stubble-cutting movable knife connecting shaft 31. The cutting edge of the third stubble-cutting movable knife 30 is a sawtooth-shaped cutting edge, and the sawtooth adopts a straight-back tooth structure.The two ends of the limit spring 29 are respectively fixed on the second stubble-cutting movable knife disc 79 and the third stubble-cutting movable knife disc 80. The first stubble-cutting movable knife disc 24, the second stubble-cutting movable knife disc 79 and the third stubble-cutting movable knife disc 80 can be slidably installed in the movable knife shaft slide groove 32. The first stubble-cutting movable knife 26, the second stubble-cutting movable knife 28 and the third stubble-cutting movable knife 30 constitute a deformable stubble-cutting movable knife group. Two groups of deformable stubble-cutting movable knife groups are axially arranged on the movable knife shaft 21. The second movable knife shaft disc 33 is coaxially fixed on the bottom of the movable knife shaft 21. The limit spring 29 is respectively fixed on the second stubble-cutting movable knife disc 79 and the third stubble-cutting movable knife disc 80. The first stubble-cutting movable knife 26, the second stubble-cutting movable knife 28 and the third stubble-cutting movable knife 30 constitute a deformable stubble-cutting movable knife group. The movable knife shaft 21 is provided with two groups of deformable stubble-cutting movable knife groups. The rack plate 78 is fixedly mounted on the upper end of the second movable knife shaft disc 33. The above-mentioned deformable stubble-killing fixed knife device includes a first fixed knife seat 4, a fixed knife slider motor 7, a fixed knife slider 6, a fixed knife slide rail 5, a first stubble-killing fixed knife 9, a second stubble-killing fixed knife 10 and a third stubble-killing fixed knife 12. The first fixed knife seat 4 is fixedly mounted on the upper part of the side plate of the first shell 3, the second fixed knife base 77 is fixedly mounted on the lower part of the side plate of the first shell 3, one end of the fixed knife slide rail 5 is fixedly mounted on the lower side of the first fixed knife seat 4, and the other end of the fixed knife slide rail 5 is fixedly mounted on the lower side of the second fixed knife base 77. At the upper end, the fixed knife slider 6 is slidably mounted on the fixed knife slide rail 5, the fixed knife slider motor 7, the fixed knife slider motor battery 14 and the fixed knife slider motor controller 15 are all fixedly mounted on the fixed knife slider 6, the fixed knife slider motor battery 14 is respectively connected to the fixed knife slider motor 7 and the fixed knife slider motor controller 15 through wires, the fixed knife slider motor 7 is connected to the fixed knife slider motor controller 15 through wires, the first stubble-killing fixed knife connecting shaft 8 is fixedly mounted on the fixed knife slider 6, and the first stubble-killing fixed knife 9 is fixedly mounted on the first stubble-killing fixed knife connecting shaft 8, The second stubble-cutting fixed knife connecting shaft 11 is fixedly mounted on the fixed knife slider 6, the second stubble-cutting fixed knife 10 is fixedly mounted on the second stubble-cutting fixed knife connecting shaft 11, the third stubble-cutting fixed knife connecting shaft 13 is fixedly mounted on the fixed knife slider 6, the third stubble-cutting fixed knife 12 is fixedly mounted on the third stubble-cutting fixed knife connecting shaft 13, the first stubble-cutting fixed knife 9, the second stubble-cutting fixed knife 10 and the third stubble-cutting fixed knife 12 constitute a deformable stubble-cutting fixed knife group, and the fixed knife slide rail 5 is provided with two upper and lower groups of deformable stubble-cutting fixed knife groups, and each group of deformable stubble-cutting movable knives is staggered with each group of deformable stubble-cutting fixed knives.

[0017] The root destroying device comprises a cylindrical cam connecting shaft 43, a cylindrical cam frame 44, a cylindrical cam 45, a cylindrical cam motor 40, a cylindrical cam slide rod 46, a root destroying wheel shaft 56, a root destroying wheel tip 81, a root destroying wheel motor 51 and a second housing 52. The cylindrical cam frame 44 is fixedly mounted on the first housing 3. The cylindrical cam motor 40, the cylindrical cam motor battery 41 and the cylindrical cam motor controller 42 are all fixedly mounted on the cylindrical cam frame 44. The cylindrical cam motor battery 41 is respectively connected to the cylindrical cam motor 40 and the cylindrical cam motor controller through electric wires. 42 is connected, the cylindrical cam motor controller 42 is connected to the cylindrical cam motor 40 through wires, the cylindrical cam 45 is rotatably mounted on the cylindrical cam frame 44, the output shaft of the cylindrical cam motor 40 is coaxially fixed with the cylindrical cam 45, the cylindrical cam 45 is rotatably mounted in the cylindrical cam frame 44, the cylindrical cam connecting shaft 43 is slidably mounted in the slide groove of the cylindrical cam 45, the cylindrical cam connecting shaft 43 is fixed with the cylindrical cam slide rod 46, the cylindrical cam slide rod 46 is slidably mounted on the cylindrical cam frame 44, and the cylindrical The cam slide 46 is fixedly mounted on the motor seat 47 of the root-extinguishing wheel. The motor 51 of the root-extinguishing wheel, the motor battery 50 of the root-extinguishing wheel, the motor controller 49 of the root-extinguishing wheel and the observation camera 48 are all fixedly mounted on the motor seat 47 of the root-extinguishing wheel. The motor battery 50 of the root-extinguishing wheel is connected to the motor 51 of the root-extinguishing wheel, the motor controller 49 of the root-extinguishing wheel and the observation camera 48 through wires respectively. The motor 51 of the root-extinguishing wheel is connected to the motor controller 49 of the root-extinguishing wheel through wires. The output shaft of the motor 51 of the root-extinguishing wheel is fixedly mounted coaxially with the shaft 56 of the root-extinguishing wheel. The root-extinguishing wheel adopts the design of imitating a mace. The wheel tip 81 is fixed to the root destroying wheel shaft 56, and the root destroying wheel tip 81 is arranged according to the distribution of the corn root system. The two ends of the root destroying wheel tip 81 are arranged at a large angle and the middle part is vertically distributed. Spiral grooves are arranged on the surface to achieve the effect of reducing viscosity and drag. The root destroying wheel motor seat 47 is fixed on the same side as the root destroying wheel shell 55. The back side of the second shell 52 is provided with left and right root destroying wheel shell slide grooves 53. The root destroying wheel shell sliders 54 are fixed at both ends of the root destroying wheel shell 55, and the root destroying wheel shell sliders 54 can be slidably installed in the root destroying wheel shell slide grooves 53.

[0018] The soil covering device includes a soil covering motor 57, a first connecting shaft 60, a soil covering motor seat 62, a soil covering active spur gear connecting rod 65, a soil covering driven spur gear connecting rod 61, and a soil covering plate 76. The soil covering motor seat 62 is fixedly mounted on the root extinguishing wheel housing 55. The soil covering motor 57, the soil covering motor battery 58, and the soil covering motor controller 59 are all fixedly mounted on the soil covering motor seat 62. The soil covering motor battery 58 is connected to the soil covering motor controller 59 and the soil covering motor 57 through wires. The soil covering motor 57 is connected to the soil covering motor controller 59 through wires. The output shaft of the soil covering motor 57 is fixed to the soil covering active spur gear connecting rod 65, the spur gear of the soil covering active spur gear connecting rod 65 is meshed with the spur gear of the soil covering driven spur gear connecting rod 61, one end of the soil covering active spur gear connecting rod 65 is fixed with a second connecting shaft 63, the second connecting shaft 63 is hinged to the first connecting rod 64, the third connecting shaft 67 is fixed to the first connecting rod 64, one end of the second connecting rod 66 is hinged to the third connecting shaft 67, one end of the third connecting rod 68 is hinged to the third connecting shaft 67, and the sixth connecting shaft 7 4 is fixed on the soil covering motor base 62, the other end of the second connecting rod 66 is hinged to the sixth connecting shaft 74, the other end of the third connecting rod 68 is hinged to the sixth connecting shaft 74, the covering plate 76 is fixed to the end of the first connecting rod 64, the first connecting shaft 60 is fixed to the soil covering motor base 62, the soil covering driven spur gear connecting rod 61 is rotatably mounted on the first connecting shaft 60, the fourth connecting shaft 69 is fixed to the connecting rod of the soil covering driven spur gear connecting rod 61, the fifth connecting rod 71 is fixed to the fourth connecting shaft 69, and the fifth connecting shaft 72 is fixed to the fifth connecting shaft The connecting rod 71 is fixed, one end of the fourth connecting rod 70 can be hinged to the fifth connecting shaft 72, one end of the sixth connecting rod 73 is hinged to the lower end of the fifth connecting shaft 72, the seventh connecting shaft 75 is fixed on the soil covering motor base 62, the other end of the fourth connecting rod 70 is hinged to the seventh connecting shaft 75, the other end of the sixth connecting rod 73 is hinged to the seventh connecting shaft 75, the side end of the covering plate 76 is fixed to the end of the fifth connecting rod 71, and the covering plate 76 is designed to be trapezoidal in shape according to the ridge type, thereby constituting a ridge repair device with separable and movable fixed knives for cutting stubble, avoiding soil and breaking roots.

[0019] During operation, the tractor drives the implement forward through the three-point suspension frame 1, and the power is input through the power input gearbox 2. The output shaft of the power input gearbox 2 drives the movable knife transmission shaft 16 to rotate, and the movable knife transmission shaft 16 drives the gear reducer 17 and the movable knife shaft 21 to rotate. The rotation of the movable knife shaft 21 drives the two sets of deformable stubble-killing movable knife groups to rotate to kill the stubble. When the observation camera 48 feeds back the observed stubble information to the movable knife shaft motor controller 20, the movable knife shaft motor battery 19 supplies power to the movable knife shaft motor 18 and the movable knife shaft motor controller 20 through wires. The movable knife shaft motor controller 20 controls the movable knife shaft motor 18 to rotate, and the movable knife shaft motor 1 The power of the motor 8 is transmitted to the movable knife shaft 21 through the gear transmission 17. The rotation of the movable knife shaft 21 drives the two groups of deformable stubble-cutting movable knife groups to deform. The first stubble-cutting movable knife disc 24, the second stubble-cutting movable knife disc 79 and the third stubble-cutting movable knife disc 80 slide in the movable knife shaft slide groove 32 through the movable knife disc connecting shaft 23, so that the first stubble-cutting movable knife disc 24, the second stubble-cutting movable knife disc 79 and the third stubble-cutting movable knife disc 80 move up and down along the movable knife shaft slide groove 32, and drive the first stubble-cutting movable knife 26, the second stubble-cutting movable knife 28 and the third stubble-cutting movable knife 30 to separate and overlap. When overlapping, the blade shape of the stubble-cutting movable knife becomes a densely serrated shape, which can cut the stems. The crops with thick stems are crushed with high quality. When separating, the blade shape of the stubble-killing moving knife becomes a blade shape with sparse sawtooth, so that the crops with thin stems are crushed with high quality. The observation camera 48 feeds back the observed root stubble information to the limit gear motor controller 37. The limit gear motor battery 36 supplies power to the limit gear motor controller 37 and the limit gear motor 38 through wires. The limit gear motor controller 37 controls the limit gear motor 38 to rotate. The output shaft of the limit gear motor 38 drives the limit gear 34 to rotate. The limit gear 34 drives the limit rack 35 to move up and down in the slide groove of the limit rack plate 78. The positioning rack 35 drives the limiting connecting rod 39 to move up and down. When the stubble-cutting movable knife is used for stubble-cutting, the machine implements axial limitation of the movable knife disc through the up and down linear movement of the limiting connecting rod 39 and the limiting spring 29 between the movable knife discs. The observation camera 48 feeds back the observed root stubble information to the fixed knife slider motor controller 15. The fixed knife slider motor controller 15 controls the fixed knife slider motor 7 to rotate. The fixed knife slider motor 7 rotates and drives the fixed knife slider 6 to move up and down linearly on the fixed knife slide rail 5, so that the stubble-cutting fixed knife and the stubble-cutting movable knife are deformed synchronously. The blade shape of the stubble-cutting fixed knife is the same as that of the stubble-cutting movable knife. The movable and fixed knives cooperate to achieve high-quality stubble cutting.When the roots are being destroyed, the observation camera 48 feeds back information to the root destroying wheel motor controller 49, and the root destroying wheel motor battery 50 supplies power to the root destroying wheel motor controller 49 and the root destroying wheel motor 51 through electric wires. The root destroying wheel motor controller 49 controls the rotation of the root destroying wheel motor 51, and the rotation of the root destroying wheel motor 51 drives the root destroying wheel shaft 56 to rotate. The root destroying wheel adopts a mace-like design, and the root destroying wheel tip 81 is fixed to the root destroying wheel shaft 56. The root destroying wheel tip 81 is arranged according to the distribution of the corn root system. The two ends of the root destroying wheel tip 81 are arranged at a large angle, and the middle part is vertically distributed. The surface is designed with spiral grooves to achieve the effect of reducing viscosity and drag and to perform higher quality root destruction. The observation camera 48 feeds back information to the cylindrical cam motor controller 42, the cylindrical cam motor battery 41 supplies power to the cylindrical cam motor 40 and the cylindrical cam motor controller 42 through electric wires, the cylindrical cam motor controller 42 controls the cylindrical cam motor 40 to rotate, the rotation of the cylindrical cam motor 40 drives the cylindrical cam 45 to rotate, the rotation of the cylindrical cam 45 makes the cylindrical cam connecting shaft 43 move along the slide groove of the cylindrical cam 45, the cylindrical cam connecting shaft 43 drives the cylindrical cam slide rod 46 to move up and down in the cylindrical cam frame 44, the cylindrical cam slide rod 46 drives the root extermination wheel motor seat 47 to move up and down, and the root extermination wheel motor seat 47 then drives The root destroying wheel housing 55 moves up and down, and the root destroying wheel housing slider 54 moves up and down along the root destroying wheel housing slide groove 53, so as to avoid the soil between plants and realize the root crushing under the condition of low soil disturbance. After the root destruction is completed, the observation camera 48 feeds back the information to the soil covering motor controller 59, and the soil covering motor battery 58 supplies power to the soil covering motor controller 59 and the soil covering motor 57 through electric wires respectively. The soil covering motor controller 59 controls the rotation of the soil covering motor 57, and the rotation of the soil covering motor 57 drives the soil covering active spur gear connecting rod 65 to rotate, and the rotation of the soil covering active spur gear connecting rod 65 drives the soil covering driven spur gear connecting rod 61 to rotate, and the rotation of the soil covering active spur gear connecting rod 65 drives the soil covering driven spur gear connecting rod 61 to rotate, and the rotation of the soil covering active spur gear connecting rod 65 drives the soil covering driven spur gear connecting rod 61 to rotate. The second connecting shaft 63 swings, and the swing of the second connecting shaft 63 drives the first connecting rod 64 to swing and the first connecting rod 64 rotates around the second connecting shaft 63. The swing of the first connecting rod 64 drives the second connecting rod 66 and the third connecting rod 68 to swing respectively. The rotation of the soil covering driven spur gear connecting rod 61 drives the fourth connecting shaft 69 to swing. The swing of the fourth connecting shaft 69 drives the fifth connecting rod 71 to swing and the fifth connecting rod 71 rotates around the fourth connecting shaft 69. The swing of the fifth connecting rod 71 drives the fourth connecting rod 70 and the sixth connecting rod 73 to swing respectively. The swing of the first connecting rod 64 and the fifth connecting rod 71 drives the soil covering plate 76 to open and close in a cyclic manner, and the ridge shape repair is realized for the area after the root extinguishing wheel extinguishes the roots. ;

[0020] It should be noted that, in this article, terms such as "comprises", "includes" or any other variations thereof are intended to cover non-exclusive inclusion, so that a process, method, article or apparatus that includes a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or apparatus.

[0021] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A ridge-shaped repairing device with separable movable and fixed blades for cutting stubble, avoiding soil and breaking roots, characterized in that: The device comprises a three-point suspension frame (1), a first shell (3), a stubble-killing device, a root-killing device, and a soil-covering device. The three-point suspension frame (1) is fixedly mounted on the top of the first shell (3), the stubble-killing device is arranged inside the first shell (3), and the root-killing device and the soil-covering device are arranged in sequence from front to back at the rear end of the first shell (3).

2. The ridge-shaped repairing device with separable movable and fixed blades for cutting stubble, avoiding soil and removing roots according to claim 1 is characterized in that: The stubble-cutting device comprises a power input gearbox (2), a first housing (3), a movable blade transmission shaft (16), a gear reducer (17), a deformable movable blade device for stubble-cutting, and a deformable fixed blade device for stubble-cutting. The power input gearbox (2) is fixedly mounted on the top of the first housing (3). The output shaft of the power input gearbox (2) is fixedly mounted coaxially with the movable blade transmission shaft (16). The deformable movable blade device for stubble-cutting comprises a gear reducer (17), a movable blade shaft motor (18), a first movable blade for stubble-cutting (26), a second movable blade for stubble-cutting (28), a third movable blade for stubble-cutting (30), a limit gear (34) and a limit rack (35). The gear reducer (17) is fixedly mounted on the bottom of the movable blade transmission shaft (16). The movable blade shaft motor (18), a movable blade shaft motor battery (19) and a movable blade shaft motor battery (19) are fixedly mounted on the bottom of the movable blade transmission shaft (16). The moving knife shaft motor controller (20) is fixedly mounted on the side of the gear reducer (17); the moving knife shaft motor battery (19) is connected to the moving knife shaft motor (18) and the moving knife shaft motor controller (20) through electric wires; the moving knife shaft motor controller (20) is connected to the moving knife shaft motor (18) through electric wires; the output shaft of the moving knife shaft motor (18) is fixedly mounted coaxially with the input shaft of the gear reducer (17); the moving knife shaft (21) is fixedly mounted coaxially with the output shaft of the gear reducer (17); the first moving knife shaft disc (22) is fixedly mounted coaxially on the upper part of the moving knife shaft (21); the limit rack plate (78) is fixedly mounted on the lower side of the first moving knife shaft disc (22); the limit gear motor battery (36), the limit gear motor controller (37) and the limit gear motor (38) are fixedly mounted The limit gear motor battery (36) is mounted on the limit rack plate (78), the limit gear motor battery (36) is connected to the limit gear motor controller (37) and the limit gear motor (38) through electric wires, the limit gear motor controller (37) is connected to the limit gear motor (38) through electric wires, the limit gear (34) is fixedly mounted on the output shaft of the limit gear motor (38), the limit gear (34) is meshed with the limit rack (35), the limit rack (35) is slidably mounted in the slide groove of the limit rack plate (78), one end of the limit connecting rod (39) is fixedly mounted on the bottom of the limit rack (35), the other end of the limit connecting rod (39) is fixedly mounted on the first stubble-removing movable knife disc (24), and the movable knife disc connecting shaft (23) is fixedly mounted on the first stubble-removing movable knife disc (24) On the inner side of the ring, three groups of moving knife shaft sliding grooves (32) facing each other in the upper and lower directions are provided on the moving knife shaft (21), and the moving knife disc connecting shaft (23) is slidably mounted in the moving knife shaft sliding groove (32). Four first stubble-cutting moving knife connecting shafts (25) are fixedly mounted on the first stubble-cutting moving knife disc (24) at equal angles in the circumferential direction. The first stubble-cutting moving knives (26) are fixedly mounted on the corresponding first stubble-cutting moving knife connecting shafts (25). The cutting edge of the first stubble-cutting moving knives (26) is serrated, and the saw teeth adopt a straight back tooth structure. Four second stubble-cutting moving knife connecting shafts (27) are fixedly mounted on the second stubble-cutting moving knife disc (79) at equal angles in the circumferential direction. The second stubble-cutting moving knives (28) are fixedly mounted on the corresponding second stubble-cutting moving knife connecting shafts (27). The cutting edge of the second stubble-cutting moving knives (28) is serrated.The saw teeth adopt an isosceles triangle structure, the two ends of the limit spring (29) are respectively fixed on the first stubble-cutting movable knife disc (24) and the second stubble-cutting movable knife disc (79), the four third stubble-cutting movable knife connecting shafts (31) are fixed on the third stubble-cutting movable knife disc (80) at equal angles in the circumferential direction, the third stubble-cutting movable knives (30) are all fixed on the corresponding third stubble-cutting movable knife connecting shafts (31), the cutting edge of the third stubble-cutting movable knife (30) is sawtooth-shaped, the saw teeth adopt a straight back tooth structure, the two ends of the limit spring (29) are respectively fixed on the second stubble-cutting movable knife disc (79) and the third stubble-cutting movable knife disc (80), the first stubble-cutting movable knife disc (24), the second stubble-cutting movable knife disc (79) and the third stubble-cutting movable knife disc (80) are all The movable blade (26) is slidably mounted in a movable blade shaft slide groove (32); the first stubble-killing movable blade (26), the second stubble-killing movable blade (28) and the third stubble-killing movable blade (30) constitute a deformable stubble-killing movable blade group; two groups of deformable stubble-killing movable blade groups are axially arranged on the movable blade shaft (21); the second movable blade shaft disc (33) is coaxially fixedly mounted on the bottom of the movable blade shaft (21); a limiting rack plate (78) is fixedly mounted on the upper end of the second movable blade shaft disc (33); the above-mentioned deformable stubble-killing fixed blade device comprises a first fixed blade seat (4), a fixed blade slider motor (7), a fixed blade slider (6), a fixed blade slide rail (5), a first stubble-killing fixed blade (9), a second stubble-killing fixed blade (10) and a third stubble-killing fixed blade (12); the first fixed blade seat (4) is fixedly mounted on the first housing (3) The second fixed knife base (77) is fixedly mounted on the upper part of the side plate of the first housing (3), one end of the fixed knife slide rail (5) is fixedly mounted on the lower side of the first fixed knife seat (4), the other end of the fixed knife slide rail (5) is fixedly mounted on the upper end of the second fixed knife base (77), the fixed knife slider (6) is slidably mounted on the fixed knife slide rail (5), the fixed knife slider motor (7), the fixed knife slider motor battery (14) and the fixed knife slider motor controller (15) are all fixedly mounted on the fixed knife slider (6), the fixed knife slider motor battery (14) is connected to the fixed knife slider motor (7) and the fixed knife slider motor controller (15) through wires, the fixed knife slider motor (7) is connected to the fixed knife slider motor controller (15) through wires, and the first stubble-removing fixed knife The connecting shaft (8) is fixedly mounted on the fixed knife slide block (6), the first stubble-cutting fixed knife (9) is fixedly mounted on the first stubble-cutting fixed knife connecting shaft (8), the second stubble-cutting fixed knife connecting shaft (11) is fixedly mounted on the fixed knife slide block (6), the second stubble-cutting fixed knife (10) is fixedly mounted on the second stubble-cutting fixed knife connecting shaft (11), the third stubble-cutting fixed knife connecting shaft (13) is fixedly mounted on the fixed knife slide block (6), the third stubble-cutting fixed knife (12) is fixedly mounted on the third stubble-cutting fixed knife connecting shaft (13), the first stubble-cutting fixed knife (9), the second stubble-cutting fixed knife (10) and the third stubble-cutting fixed knife (12) constitute a deformable stubble-cutting fixed knife group, and the fixed knife slide rail (5) is provided with two upper and lower groups of deformable stubble-cutting fixed knife groups, and each group of deformable stubble-cutting movable knives and each group of deformable stubble-cutting fixed knives are arranged alternately.

3. The ridge-shaped repairing device with separable movable and fixed blades for cutting stubble, avoiding soil and removing roots according to claim 1 is characterized in that: The root destroying device comprises a cylindrical cam connecting shaft (43), a cylindrical cam frame (44), a cylindrical cam (45), a cylindrical cam motor (40), a cylindrical cam sliding rod (46), a root destroying wheel shaft (56), a root destroying wheel tip (81), a root destroying wheel motor (51) and a second housing (52). The cylindrical cam frame (44) is fixedly mounted on the first housing (3). The cylindrical cam motor (40), a cylindrical cam motor battery (41) and a cylindrical cam motor controller (42) are all fixedly mounted on the cylindrical cam frame (44). The cylindrical cam motor battery (41) is respectively connected to the cylindrical cam motor (40) and the cylindrical cam motor controller (42) through electric wires. The cylindrical cam motor controller (42) is connected to the cylindrical cam motor (40) through an electric wire, the cylindrical cam (45) is rotatably mounted on the cylindrical cam frame (44), the output shaft of the cylindrical cam motor (40) is fixedly mounted coaxially with the cylindrical cam (45), the cylindrical cam (45) is rotatably mounted in the cylindrical cam frame (44), the cylindrical cam connecting shaft (43) is slidably mounted in the slide groove of the cylindrical cam (45), the cylindrical cam connecting shaft (43) is fixedly mounted with the cylindrical cam slide rod (46), and the cylindrical cam slide rod (46) is slidably mounted on the cylindrical cam frame (44). ), a cylindrical cam slide bar (46) is fixedly mounted on a motor base (47) of a root-extinguishing wheel, a motor (51) of a root-extinguishing wheel, a battery (50) of a motor of a root-extinguishing wheel, a motor controller (49) of a root-extinguishing wheel and an observation camera (48) are all fixedly mounted on the motor base (47) of a root-extinguishing wheel, a battery (50) of a motor of a root-extinguishing wheel is connected to a motor (51) of a root-extinguishing wheel, a motor controller (49) of a root-extinguishing wheel and an observation camera (48) through electric wires, a motor (51) of a root-extinguishing wheel is connected to a motor controller (49) of a root-extinguishing wheel through electric wires, an output shaft of a motor (51) of a root-extinguishing wheel is fixedly mounted coaxially with a shaft (56) of a root-extinguishing wheel and an imitation mace is adopted. The invention discloses a design in which a root-killing wheel tip (81) is fixedly mounted on a root-killing wheel shaft (56), the root-killing wheel tip (81) is arranged according to the distribution of the corn root system, the two ends of the root-killing wheel tip (81) are arranged at a large angle, and the middle part is vertically distributed, and a spiral groove is arranged on the surface to achieve the effect of reducing viscosity and drag, the root-killing wheel motor seat (47) is fixedly mounted on the same side as the root-killing wheel housing (55), and two left and right root-killing wheel housing slide grooves (53) are opened on the back side of the second housing (52), the root-killing wheel housing slider (54) is fixedly mounted on the two ends of the root-killing wheel housing (55), and the root-killing wheel housing slider (54) is slidably installed in the root-killing wheel housing slide groove (53).

4. The ridge-shaped repairing device with separable movable and fixed blades for cutting stubble, avoiding soil and removing roots according to claim 1 is characterized in that: The soil covering device comprises a soil covering motor (57), a first connecting shaft (60), a soil covering motor base (62), a soil covering active spur gear connecting rod (65), a soil covering driven spur gear connecting rod (61), and a soil covering plate (76). The soil covering motor base (62) is fixedly mounted on a root extinguishing wheel housing (55). The soil covering motor (57), a soil covering motor battery (58), and a soil covering motor controller (59) are all fixedly mounted on the soil covering motor base (62). The soil covering motor battery (58) is connected to the soil covering motor controller (59) and the soil covering motor (57) through electric wires. The soil covering motor (57) is connected to the soil covering motor controller (59) through electric wires. The soil covering motor (57) is connected to a control device (59), the output shaft of the soil covering motor (57) is fixedly mounted on the soil covering active spur gear connecting rod (65), the spur gear of the soil covering active spur gear connecting rod (65) is meshed with the spur gear of the soil covering driven spur gear connecting rod (61), one end of the soil covering active spur gear connecting rod (65) is fixedly mounted with a second connecting shaft (63), the second connecting shaft (63) is hingedly connected to the first connecting rod (64), the third connecting shaft (67) is fixedly mounted on the first connecting rod (64), one end of the second connecting rod (66) is hingedly connected to the third connecting shaft (67), one end of the third connecting rod (68) is hingedly connected to the third connecting shaft (67), and the sixth connecting shaft ( The first connecting shaft (60) is fixedly mounted on the soil covering motor base (62), the other end of the second connecting rod (66) is hinged to the sixth connecting shaft (74), the other end of the third connecting rod (68) is hinged to the sixth connecting shaft (74), the covering plate (76) is fixedly mounted to the end of the first connecting rod (64), the first connecting shaft (60) is fixedly mounted on the soil covering motor base (62), the soil covering driven spur gear connecting rod (61) is rotatably mounted on the first connecting shaft (60), the fourth connecting shaft (69) is fixedly mounted to the connecting rod of the soil covering driven spur gear connecting rod (61), the fifth connecting rod (71) is fixedly mounted to the fourth connecting shaft (69), and the fifth connecting shaft (72) is fixedly mounted to the fourth connecting shaft (69). The fourth connecting rod (70) is fixedly mounted with the fifth connecting rod (71), one end of the fourth connecting rod (70) can be hinged with the fifth connecting shaft (72), one end of the sixth connecting rod (73) is hinged with the lower end of the fifth connecting shaft (72), the seventh connecting shaft (75) is fixedly mounted on the soil covering motor base (62), the other end of the fourth connecting rod (70) is hinged with the seventh connecting shaft (75), the other end of the sixth connecting rod (73) is hinged with the seventh connecting shaft (75), the side end of the soil covering plate (76) is fixedly mounted with the end of the fifth connecting rod (71), and the soil covering plate (76) is designed to be a trapezoidal shape according to the ridge shape, thereby forming a ridge shape repairing device with separable movable and fixed knives for cutting stubble, avoiding soil and breaking roots.

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