Scouring type crop stubble efficient crushing and returning device

Abstract

A flushing type crop stubble efficient crushing and field returning device comprises a rack, a three-point suspension frame is arranged at the front end of the upper portion of the rack, field wheels are arranged on four feet of the lower portion of the rack, and a flushing type ground breaking mechanism, a stubble collecting mechanism, a conveying mechanism and a stubble crushing mechanism are sequentially arranged on the lower portion of the rack from front to back. In conclusion, the washing type soil breaking mechanism rotationally washes the roots of the stubbles and soil around the stubbles, and the soil around the stubbles is crushed and scattered to be in a mud shape; the stubble collecting mechanism achieves digging and throwing of stubbles through a crank sliding block mechanism, and a movable claw and a fixed claw complete grabbing and loosening of the stubbles on a thrust rod mounting frame according to the lever principle. The conveying mechanism conveys the stubbles to the crushing mechanism; the stubble crushing mechanism is meshed with a rack and a bevel gear through a thrust half gear to drive a movable cutter and a fixed cutter to conduct reciprocating up-down and rotary supporting cutting, efficient crushing of stubbles is achieved, finally the stubbles are thrown into furrows on the two sides, and efficient pulling, crushing and field returning of the stubbles are completed.

Description

Technical Field

[0001] The invention belongs to agricultural machinery, and mainly relates to a flushing type crop stubble high-efficiency crushing and returning device to the field. Background Art

[0002] At present, most machines are not effective in crushing root stubble. When crushing root stubble, the cutters directly cut the soil and root stubble, and the overall energy consumption and earth-moving volume of the machines are large. After crushing, the root stubble mostly remains on the surface, affecting subsequent field operations. Summary of the invention

[0003] The purpose of the present invention is to develop a flushing type crop stubble efficient crushing and returning device to the field in view of the above-mentioned technical problems. The flushing type soil breaking mechanism uses three water guns to rotate and flush the stubble and the soil around it, crushing and breaking up the soil around the stubble, so that the stubble can be easily dug up; the stubble collecting mechanism rotates to dig up the stubble, and the crank slider mechanism on the lifting plate reciprocates perpendicular to the mounting disc, so that the stubble is dug up at a point far from the mounting disc and thrown into the collecting device at a point close to the mounting disc, and the movable and fixed claws are realized on the thrust rod sliding frame through the movement of the lever. The small arc is opened and closed to release or grab the root stubble, and the moving and fixed claws are kept closed in the large arc of the thrust rod sliding frame to clamp the grabbed root stubble tightly; the conveying mechanism transports the root stubble upward to the root stubble crushing mechanism through the feeding belt; the root stubble crushing mechanism reciprocates up and down and rotates to support the cutting and crushing of the root stubble through the engagement of the thrust half gear and the rack and the engagement of the two bevel gears, and finally throws the crushed root stubble into the furrows on both sides, thereby realizing the device to complete the efficient crushing of the root stubble after the low-residue extraction of the root stubble in the soil under low soil disturbance. The purpose of the present invention is achieved as follows: it includes a frame, a first suspension frame and a second suspension frame are arranged at the front end of the upper part of the frame, and the field wheel is rotatably mounted on the four feet of the lower part of the frame through the wheel axle, and the lower part of the frame is sequentially arranged with a flushing soil breaking mechanism, a root stubble collecting mechanism, a conveying mechanism, and a root stubble crushing mechanism from front to back, and the motor, the controller, and the battery are all connected by wires.

[0004] The flushing earth-breaking mechanism is fixed at the front end of the lower part of the frame, the first battery is fixedly mounted on the upper part of the middle platform of the frame, a pipe hole is opened at the front of the middle platform, the first controller and the first motor are fixedly mounted at the lower part of the middle platform of the frame, the first battery is connected to the first motor and the first controller respectively through wires, the first controller is connected to the first motor through wires, the first bevel gear is fixedly mounted on the power output shaft of the first motor, the first bevel gear is meshed with the second bevel gear, the second bevel gear is fixedly mounted on the upper end of the rotating rear shell, and the lower end of the rotating rear shell is concentric A liquid dispensing tube is fixedly installed, and three tube openings are arranged at equal angles in the circumferential direction of the liquid dispensing tube, each tube opening is fixedly installed with one end of a first liquid delivery tube, and three tube holes are opened at equal angles in the circumferential direction of the rotating front shell, and one end of the second liquid delivery tube passes through the tube hole and is fixedly installed with the other end of the first liquid delivery tube, and the other end of the second liquid delivery tube is connected to the water outlet of the water gun, and the water gun is hinged to the water gun base, and the water gun base is fixedly installed at the bottom of the rotating front shell, and the rotating front shell is concentrically fixedly installed on the rotating rear shell, and the rotating rear shell is sleeved on the water-passing fixed shaft, and the annular bayonet at the end of the rotating rear shell can be The liquid pump is rotatably mounted on the first annular protrusion of the water-passing fixed shaft, the sealing member is clamped between the liquid dispensing tube and the water-passing fixed shaft, and the water-passing fixed shaft is fixedly mounted on the lower part of the middle platform; the second controller, the first motor mounting frame, the liquid pump rear shell, and the water tank are all fixedly mounted on the upper part of the middle platform, the second motor is fixedly mounted on the first motor mounting frame, the first battery is connected to the second controller and the second motor respectively through wires, the second controller is connected to the second motor through wires, a gear shaft is arranged in the upper middle part of the liquid pump rear shell, a motor shaft hole is opened in the lower part, and the first circular The cylindrical gear is fixedly mounted on the power output shaft of the second motor through a coupling, the second cylindrical gear is meshed with the first cylindrical gear, the second cylindrical gear is rotatably mounted on the gear shaft of the rear shell of the liquid pump, the front shell of the liquid pump is fixedly mounted on the rear shell of the liquid pump, so as to realize the sealing of the rotation space between the first cylindrical gear and the second cylindrical gear, one end of the third liquid delivery pipe is connected to the water tank, the other end of the third liquid delivery pipe is connected to the liquid inlet on the rear shell of the liquid pump, one end of the fourth liquid delivery pipe is connected to the liquid outlet of the rear shell of the liquid pump, and the other end of the fourth liquid delivery pipe passes through the pipe hole to connect to the water-passing fixed shaft.

[0005] The root stubble collecting mechanism is located in the middle of the lower part of the frame, the third controller and the third motor are fixedly installed on the upper part of the middle platform of the frame, the first battery is connected to the third controller and the third motor respectively through wires, the third controller is connected to the third motor through wires, a first pulley is fixedly installed on the power output shaft of the third motor, the first pulley is connected to the second pulley through the first transmission belt, the second pulley is fixedly installed on one end of the second rotating shaft, the second rotating shaft passes through the shaft hole at the lower end of the frame and is rotatably installed on the frame, a tension rod mounting frame is fixedly installed on the other end of the second rotating shaft, the hollow second rotating shaft is concentrically mounted on the first rotating shaft, a mounting disc is fixedly installed in the middle of the second rotating shaft, one end of the first rotating shaft is fixedly installed on the frame, and the third bevel gear is fixedly installed on the second rotating shaft. The third bevel gear is meshed with the fourth bevel gear, the fourth bevel gear is meshed with the fifth bevel gear, the fourth bevel gear is fixedly mounted on one end of the sixth rotating shaft, the other end of the sixth rotating shaft is rotatably mounted on the first gear box, one end of the one-two gear box mounting frame is fixedly mounted on the first gear box, the other end of the one-two gear box mounting frame is fixedly mounted on the second gear box, one end of the first gear box mounting frame is fixedly mounted with the first gear box, the other end of the first gear box mounting frame is fixedly mounted on the lower part of the middle platform of the frame, the hollow third rotating shaft is inserted into the second rotating shaft, one end of the third rotating shaft is fixedly mounted with the fifth bevel gear, the other end of the third rotating shaft is fixedly mounted with the third cylindrical gear, the third cylindrical gear is meshed with the fourth cylindrical gear, and the fourth cylindrical gear is fixedly mounted in the middle of the fourth rotating shaft, A sixth bevel gear is fixedly mounted on one end of the fourth rotating shaft, and the other end of the fourth rotating shaft is rotatably mounted on the second gear box, the sixth bevel gear meshes with the seventh bevel gear, the seventh bevel gear is concentrically fixed to one end of the fifth rotating shaft, and the other end of the fifth rotating shaft is rotatably mounted in the mounting hole of the mounting disk, a first cylindrical protrusion is arranged at the eccentric part of the seventh bevel gear, the first cylindrical protrusion is hinged to one end of the first connecting rod, the other end of the first connecting rod is hinged to the connecting shaft, the connecting shaft is fixedly mounted on the end surface of the connecting rod base, three groups of limiting holes are opened at equal angles in the circumferential direction of the mounting disk, and two limiting holes are arranged in each group, a limiting rod is fixedly mounted on both ends of the radial direction of one side of the lifting plate, a connecting rod base is fixedly mounted in the middle of the lifting plate on the same side as the limiting rod, and a A fixed claw mounting frame, a limit rod is inserted in the limit hole of the mounting disc, the end of the fixed claw is fixedly mounted in the fixed claw mounting frame, the movable claw is rotatably mounted on the upper part of the fixed claw, the side end of the movable claw is hinged to the lever end of the second connecting rod, the other end of the second connecting rod is connected to the thrust rod, one end of the thrust rod is slidably mounted in the guide rail of the thrust rod sliding frame, the other end of the thrust rod is inserted in the annular rod sleeve of the tension rod fixing sleeve, one end of the tension rod fixing sleeve is provided with a spring, the other end of the tension rod fixing sleeve is provided with an annular rod sleeve, one end of the spring is fixedly mounted in the tension rod mounting frame, the thrust rod sliding frame is fixedly mounted on the first rotating shaft, the center points of the two small arcs of the thrust rod sliding frame form an angle of 160°, the other small arc faces the ground, and the other small arc is oblique to the feeding mechanism.

[0006] The conveying mechanism is located at the lower part of the frame, that is, between the root stubble collecting mechanism and the root stubble crushing mechanism. The fourth controller and the fourth motor are both fixedly mounted on the middle platform of the frame. The first battery is connected to the fourth controller and the fourth motor respectively through electric wires. The fourth controller is connected to the fourth motor through electric wires. The ends of the seventh rotating shaft and the eighth rotating shaft are rotatably mounted on the frame. The third pulley is fixedly mounted on the power output shaft of the fourth motor. The third pulley is connected to the fourth pulley through the second transmission belt. The fourth pulley and the first roller are both fixedly mounted on the seventh rotating shaft. The two ends of the feeding belt are respectively mounted on the first roller and the second roller. The second roller is fixedly mounted on the eighth rotating shaft.

[0007] The root stubble crushing mechanism is located at the rear end of the lower part of the frame, the second battery and the fifth controller are fixedly installed under the rear platform of the frame, the second battery is connected to the fifth controller, the fifth motor and the sixth motor respectively through wires, the fifth controller is connected to the fifth motor and the sixth motor respectively through wires, the power output shaft of the fifth motor is fixedly installed to one end of the ninth rotating shaft, the other end of the ninth rotating shaft is fixedly installed with a sixth cylindrical gear, the middle part of the ninth rotating shaft is fixedly installed with an eighth bevel gear, the eighth bevel gear is meshed with the ninth bevel gear, the ninth bevel gear is fixedly installed at one end of the tenth rotating shaft, the middle part of the tenth rotating shaft is provided with a third annular protrusion, and the third annular protrusion is rotatably installed on the tenth rotating shaft mounting of the third gear box The tenth rotating shaft is inserted into the third gear box through the tenth rotating shaft mounting hole, the other end of the tenth rotating shaft is fixedly provided with a first bevel gear, the first bevel gear is meshed with the second bevel gear, the second bevel gear is fixedly provided at the end of the eleventh rotating shaft, a second annular protrusion is provided at the middle and lower part of the eleventh rotating shaft, the thrust rack mounting shaft is sleeved on the lower part of the eleventh rotating shaft, the thrust rack mounting shaft is rotatably mounted at the lower end of the second annular protrusion, the thrust rack is symmetrically fixedly provided on both sides of the thrust rack mounting shaft, the thrust rack is meshed with the thrust half gear, the thrust half gear is fixedly provided at one end of the twelfth rotating shaft, the other end of the twelfth rotating shaft is rotatably mounted in the third gear box, the middle part of the twelfth rotating shaft is fixedly provided with a There is a fifth cylindrical gear, and the fifth cylindrical gear is meshed with the sixth cylindrical gear; the second motor mounting frame is fixedly mounted on the third gear box, the sixth motor is fixedly mounted on the second motor mounting frame, and the fifth pulley is fixedly mounted on the power output shaft of the sixth motor, and the fifth pulley is connected to the integrated fan shaft through the third transmission belt, and 48 fan blades are fixedly mounted at equal angles in the circumferential direction on the upper part of the integrated fan shaft, which are at an angle of 30° to its axis, and the integrated fan shaft can be rotatably inserted in the eleventh rotating shaft, and the eleventh rotating shaft is fixedly mounted on the double cone shaft, and two groups of first inner cutting knives, second inner cutting knives, and third inner cutting knives are fixedly mounted symmetrically and equidistantly on the double cone shaft, and the rectangular end of the crushing shell fixing frame is fixedly mounted on the rear platform of the frame, and the crushing shell is fixedly mounted On the inner side of the circular ring at the other end of the crushing shell fixing frame, a material receiving port is fixed on the top of the crushing shell, and the two crushing shells are fixed symmetrically with their major diameters, and the first external cutting knife, the second external cutting knife, and the third external cutting knife are fixed equidistantly on the inner side of the crushing shell. The external cutting knife and the internal cutting knife are provided with serrated edges, the external cutting knife is a fixed knife, and the internal cutting knife is a movable knife, and the movable knife cooperates with the fixed knife to form a support cutting; the lower part of the crushing shell is fixed on the upper end of the fan shell, and a throwing bridge is fixed on the lower end of the fan shell, and an axial hole is opened at the lower end of the throwing bridge, and the throwing bridge is inserted on the eleventh rotating shaft through the axial hole, and one end of the third gear box mounting frame is fixed below the rear platform of the frame, and the other end of the third gear box mounting frame is fixed on one side of the third gear box.

[0008] Compared with the prior art, the present invention has the following beneficial effects: the present invention mainly comprises a flushing soil-breaking mechanism, a root stubble collecting mechanism, a conveying mechanism, and a root stubble crushing mechanism; the flushing soil-breaking mechanism rotates to flush the root stubble and the surrounding soil, so that the surrounding soil becomes a muddy state, and the root stubble is dug out with low residue under low soil disturbance; the root stubble collecting mechanism rotates to dig up the root stubble, and through the crank slider mechanism on the lifting plate, it reciprocates perpendicularly to the mounting disc, so that the root stubble is dug up at a point far from the mounting disc and thrown into the collecting device at a point close to the mounting disc, and the movable and fixed claws realize opening and closing and movement in a small arc of the thrust rod sliding frame through the movement of the lever. , loosen or grab the root stubble, the moving and fixed claws remain closed in the large arc of the thrust rod sliding frame, the grabbed root stubble is clamped tightly, and the root stubble digging and throwing are not in a vertical plane, that is, digging on the ridge and throwing in the ditch, so that the claws of the root stubble collecting mechanism do not interfere with the feeding belt of the conveying device; the conveying mechanism transports the root stubble upward to the root stubble crushing mechanism through the feeding belt; the root stubble crushing mechanism supports the cutting and crushing of the root stubble by the engagement of the thrust half gear with the rack and the engagement of two bevel gears, so that the inner cutting knife (moving knife) and the outer cutting knife (fixed knife) support the cutting and crushing of the root stubble, and finally the root stubble is crushed and thrown into the ditch on both sides, so as to realize efficient crushing of the root stubble. BRIEF DESCRIPTION OF THE DRAWINGS

[0009] The accompanying drawings are used to provide further understanding of the present invention and constitute a part of the specification. They are used to explain the present invention together with the embodiments of the present invention and do not constitute a limitation of the present invention.

[0010] In the attached picture:

[0011] Figure 1 It is an overall axonometric view of the device of the present invention.

[0012] Figure 2 Schematic diagram of the water-flush earth-breaking mechanism of the present invention (multiple angles and without the frame).

[0013] Figure 3 Schematic diagram of the stubble collection mechanism (multiple angles and without the frame).

[0014] Figure 4 Schematic diagram of the conveying mechanism (multiple angles and without the frame).

[0015] Figure 5 Schematic diagram of the stubble crushing mechanism (multiple angles and without the frame).

[0016] In the figure, 1 is a frame, 2 is a first suspension frame, 3 is a second suspension frame, 4 is an axle, 5 is a field wheel, 6 is a liquid dispensing tube, 7 is a first battery, 8 is a first controller, 9 is a first motor, 10 is a first bevel gear, 11 is a second bevel gear, 12 is a rotating rear shell, 13 is a water-passing fixed shaft, 14 is a rear platform, 15 is a first annular protrusion, 16 is a sealing member, 17 is a first liquid delivery pipe, 18 is a second liquid delivery pipe, 19 is a water gun, 20 is a water gun base, 21 is a rotating front shell, 22 is a second controller, 23 is a second motor, 24 is a coupling, 25 is a first cylindrical gear, 26 is a second cylindrical gear, 27 is a liquid pump rear shell, 28 is a liquid pump front shell, 29 is a first motor mounting frame, 30 is a third liquid delivery pipe, 31 is a fourth liquid delivery pipe, 32 is a water tank, 33 is a first motor mounting frame, 34 is a first motor mounting frame, 35 is a first motor mounting frame, 36 is a first motor mounting frame, 37 is a first motor mounting frame, 38 is a second motor mounting frame, 39 is a first motor mounting frame, 40 is a first motor mounting frame, 41 is a first motor mounting frame, 42 is a first motor mounting frame, 43 is a first motor mounting frame, 44 is a first motor mounting frame, 45 is a first motor mounting frame, 46 is a first motor mounting frame, 47 is a first motor mounting frame, 48 is a first motor mounting frame, 49 is a first motor mounting frame, 50 is a first motor mounting frame, 51 is a first motor mounting frame, 52 is a first motor mounting frame, 53 is a first motor mounting frame, 54 is a first motor mounting frame, 55 is three motors, 34 the first pulley, 35 the first transmission belt, 36 the second pulley, 37 the second shaft, 38 the first shaft, 39 the third bevel gear, 40 the fourth bevel gear, 41 the fifth bevel gear, 42 the third shaft, 43 the third cylindrical gear, 44 the fourth cylindrical gear, 45 the fourth shaft, 46 the sixth bevel gear, 47 the seventh bevel gear, 48 the fifth shaft, 49 the mounting disc, 50 the first cylindrical protrusion, 51 the first connecting rod, 52 the lifting plate, 53 the fixed claw mounting frame, 54 the fixed claw, 55 the moving claw, 56 the second connecting rod, 57 the thrust rod, 58 the thrust rod sliding frame, 59 the sixth shaft, 60 the first gear box, 61 the first and second gear box mounting frame, 62 the second gear box, 63 the third controller , 64 fourth controller, 65 fourth motor, 66 third pulley, 67 second transmission belt, 68 fourth pulley, 69 first roller, 70 seventh shaft, 71 feeding belt, 72 second roller, 73 eighth shaft, 74 second battery, 75 fifth controller, 76 fifth motor, 77 ninth shaft, 78 eighth bevel gear, 79 ninth bevel gear, 80 tenth shaft, 81 first helical gear, 82 second helical gear, 83 eleventh shaft, 84 thrust rack mounting shaft, 85 thrust rack, 86 thrust half gear, 87 twelfth shaft, 88 fifth cylindrical gear, 89 third gear box, 90 second annular protrusion, 91 middle platform, 92 integrated fan shaft, 93 third transmission belt , 94 the sixth motor, 95 the tenth shaft mounting hole, 96 the second motor mounting frame, 97 the double tapered shaft, 98 the first inner cutter, 99 the second inner cutter, 100 the third inner cutter, 101 the crushing shell, 102 the first outer cutter, 103 the second outer cutter, 104 the third outer cutter, 105 the fourth outer cutter, 106 the receiving port, 107 the crushing shell fixing frame, 108 the third gear box mounting frame, 109 the throwing bridge, 110 the fan housing, 111 the tension rod mounting frame, 112 the third annular protrusion, 113 the limiting rod, 114 the first gear box mounting frame, 115 the sixth cylindrical gear, 116 the tension rod fixing sleeve, 117 the fifth pulley, 118 the connecting rod base, 119 the connecting shaft. DETAILED DESCRIPTION

[0017] The following is a detailed description of the implementation scheme of the present invention in conjunction with the accompanying drawings. A flushing type crop stubble efficient crushing and returning device to the field comprises a frame 1. A first suspension frame 2 and a second suspension frame 3 are arranged at the front end of the upper portion of the frame 1. Field wheels 5 are rotatably mounted on four legs at the lower portion of the frame through a wheel axle 4. A flushing type soil breaking mechanism, a stubble collecting mechanism, a conveying mechanism, and a stubble crushing mechanism are arranged in sequence at the lower portion of the frame 1 from front to back. The motor, the controller, and the battery are all connected by wires.

[0018] The flushing earth-breaking mechanism is fixed to the front end of the lower part of the frame 1, the first battery 7 is fixedly mounted on the upper part of the middle platform 91 of the frame 1, and a pipe hole is opened at the front of the middle platform 91. The first controller 8 and the first motor 9 are both fixedly mounted on the lower part of the middle platform 91 of the frame 1. The first battery 7 is connected to the first motor 9 and the first controller 8 respectively through wires, and the first controller 8 is connected to the first motor 9 through wires. The first bevel gear 10 is fixedly mounted on the power output shaft of the first motor 9, and the first bevel gear 10 is meshed with the second bevel gear 11. The second bevel gear 11 is fixedly mounted on the upper end of the rotating rear shell 12, and the lower end of the rotating rear shell 12 is concentrically fixed with a liquid separator. The liquid dispensing tube 6 is provided with three pipe openings at equal angles in the circumferential direction, each pipe opening is respectively fixed with one end of a first liquid delivery tube 17, and three pipe holes are opened at equal angles in the circumferential direction on the rotating front shell 21. One end of the second liquid delivery tube 18 passes through the pipe hole and is fixed with the other end of the first liquid delivery tube 17. The other end of the second liquid delivery tube 18 is connected to the water outlet of the water gun 19. The water gun 19 is hinged with the water gun base 20. The water gun base 20 is fixedly mounted on the bottom of the rotating front shell 21. The rotating front shell 21 is concentrically fixedly mounted on the rotating rear shell 12. The rotating rear shell 12 is mounted on the water-passing fixed shaft 13. The annular bayonet at the end of the rotating rear shell 12 can be rotatably mounted on the water-passing fixed shaft 13. On the first annular protrusion 15 of the water fixed shaft 13, the sealing member 16 is clamped between the liquid dispensing tube 6 and the water fixed shaft 13, and the water fixed shaft 13 is fixedly mounted on the lower part of the intermediate platform 91; the second controller 22, the first motor mounting bracket 29, the liquid pump rear shell 27, and the water tank 32 are all fixedly mounted on the upper part of the intermediate platform 91, and the second motor 23 is fixedly mounted on the first motor mounting bracket 29. The first battery 7 is connected to the second controller 22 and the second motor 23 through wires, respectively, and the second controller 22 is connected to the second motor 23 through wires. A gear shaft is provided in the upper part of the liquid pump rear shell 27, and a motor shaft hole is opened in the lower part. The first cylindrical gear 2 The second cylindrical gear 26 is fixedly mounted on the power output shaft of the second motor 23 through the coupling 24, the second cylindrical gear 26 is meshed with the first cylindrical gear 25, the second cylindrical gear 26 is rotatably mounted on the gear shaft of the liquid pump rear housing 27, the liquid pump front housing 28 is fixedly mounted on the liquid pump rear housing 27, so as to realize the sealing of the rotation space between the first cylindrical gear 25 and the second cylindrical gear 26, one end of the third liquid delivery pipe 30 is connected to the water tank 32, the other end of the third liquid delivery pipe 30 is connected to the liquid inlet on the liquid pump rear housing 27, one end of the fourth liquid delivery pipe 31 is connected to the liquid outlet of the liquid pump rear housing 27, and the other end of the fourth liquid delivery pipe 31 passes through the pipe hole to connect to the water-passing fixed shaft 13.

[0019] The root stubble collecting mechanism is located in the middle of the lower part of the frame 1, the third controller 63 and the third motor 33 are fixedly mounted on the upper part of the middle platform 91 of the frame 1, the first battery 7 is connected to the third controller 63 and the third motor 33 respectively through wires, the third controller 63 is connected to the third motor 33 through wires, the power output shaft of the third motor 33 is fixedly mounted with a first pulley 34, the first pulley 34 is connected to the second pulley 36 through a first transmission belt 35, the second pulley 36 is fixedly mounted on one end of the second rotating shaft 37, the second rotating shaft 37 passes through the shaft hole at the lower end of the frame 1 and is rotatably mounted on the frame 1, the other end of the second rotating shaft 37 is fixedly mounted with a tension rod mounting frame 111, the hollow second rotating shaft 37 is concentrically mounted on the first rotating shaft 38, the second rotating shaft 37 A mounting disc 49 is fixedly mounted in the middle of the frame 1, one end of the first rotating shaft 38 is fixedly mounted on the frame 1, the third bevel gear 39 is fixedly mounted on the second rotating shaft 37, the third bevel gear 39 is meshed with the fourth bevel gear 40, the fourth bevel gear 40 is meshed with the fifth bevel gear 41, the fourth bevel gear 40 is fixedly mounted on one end of the sixth rotating shaft 59, the other end of the sixth rotating shaft 59 is rotatably mounted on the first gear box 60, one end of the one-two gear box mounting frame 61 is fixedly mounted on the first gear box 60, the other end of the one-two gear box mounting frame 61 is fixedly mounted on the second gear box 62, one end of the first gear box mounting frame 114 is fixedly mounted with the first gear box 60, the other end of the first gear box mounting frame 114 is fixedly mounted on the lower part of the middle platform 91 of the frame 1, and the hollow third rotating shaft 42 is inserted on the second rotating shaft 37, one end of the third rotating shaft 42 is fixedly mounted with a fifth bevel gear 41, the other end of the third rotating shaft 42 is fixedly mounted with a third cylindrical gear 43, the third cylindrical gear 43 is meshed with the fourth cylindrical gear 44, the fourth cylindrical gear 44 is fixedly mounted in the middle of the fourth rotating shaft 45, one end of the fourth rotating shaft 45 is fixedly mounted with a sixth bevel gear 46, the other end of the fourth rotating shaft 45 is rotatably mounted on the second gear box 62, the sixth bevel gear 46 is meshed with the seventh bevel gear 47, the seventh bevel gear 47 is concentrically fixedly mounted on one end of the fifth rotating shaft 48, the other end of the fifth rotating shaft 48 is rotatably mounted in the mounting hole of the mounting disc 49, the eccentric portion of the seventh bevel gear 47 is provided with a first cylindrical protrusion 50, the first cylindrical protrusion 50 is connected to the first connecting disc 49, and the first cylindrical protrusion 50 is connected to the first connecting disc 49. One end of the rod 51 is hinged, and the other end of the first connecting rod 51 is hinged to the connecting shaft 119. The connecting shaft 119 is fixedly mounted on the end surface of the connecting rod base 118. The mounting disc 49 is provided with three groups of limiting holes at equal angles in the circumferential direction, and each group is provided with two limiting holes. A limiting rod 113 is fixedly mounted on both ends of the radial direction of one side of the lifting plate 52, and a connecting rod base 118 is fixedly mounted in the middle of the lifting plate 52 on the same side as the limiting rod 113. A fixed claw mounting frame 53 is fixedly mounted in the middle of the other side. The limiting rod 113 is inserted into the limiting hole of the mounting disc 49, and the end of the fixed claw 54 is fixed in the fixed claw mounting frame 53. The movable claw 55 is rotatably mounted on the upper part of the fixed claw 54. The side end of the movable claw 55 is hinged to the lever end of the second connecting rod 56, and the other end of the second connecting rod 56 is connected to the thrust rod 57.One end of the thrust rod 57 is slidably mounted in the guide rail of the thrust rod sliding frame 58, and the other end of the thrust rod 57 is inserted into the annular rod sleeve of the tension rod fixing sleeve 116. A spring is provided at one end of the tension rod fixing sleeve 116, and an annular rod sleeve is provided at the other end of the tension rod fixing sleeve 116. One end of the spring is fixed in the tension rod mounting frame 111. The thrust rod sliding frame 58 is fixed on the first rotating shaft 38. The center points of the two small arcs of the thrust rod sliding frame 58 form an angle of 160°, and the other small arc faces the ground, and the other small arc faces the feeding mechanism obliquely.

[0020] The conveying mechanism is located at the lower part of the frame 1, that is, between the root stubble collecting mechanism and the root stubble crushing mechanism. The fourth controller 64 and the fourth motor 65 are both fixedly mounted on the middle platform 91 of the frame 1. The first battery 7 is connected to the fourth controller 64 and the fourth motor 65 respectively through electric wires. The fourth controller 64 is connected to the fourth motor 65 through electric wires. The ends of the seventh rotating shaft 70 and the eighth rotating shaft 73 are rotatably mounted on the frame 1. The third pulley 66 is fixedly mounted on the power output shaft of the fourth motor 65. The third pulley 66 is connected to the fourth pulley 68 through the second transmission belt 67. The fourth pulley 68 and the first roller 69 are both fixedly mounted on the seventh rotating shaft 70. The two ends of the feeding belt 71 are respectively mounted on the first roller 69 and the second roller 72. The second roller 72 is fixedly mounted on the eighth rotating shaft 73.

[0021] The root stubble crushing mechanism is located at the rear end of the lower part of the frame 1, the second battery 74 and the fifth controller 75 are fixedly installed under the rear platform 14 of the frame 1, the second battery 74 is connected to the fifth controller 75, the fifth motor 76, and the sixth motor 94 through wires, the fifth controller 75 is connected to the fifth motor 76 and the sixth motor 94 through wires, the power output shaft of the fifth motor 76 is fixedly installed at one end of the ninth rotating shaft 77, the other end of the ninth rotating shaft 77 is fixedly installed with the sixth cylindrical gear 115, the middle part of the ninth rotating shaft 77 is fixedly installed with the eighth bevel gear 78, the eighth bevel gear 78 is meshed with the ninth bevel gear 79, the ninth bevel gear 79 is fixedly installed at one end of the tenth rotating shaft 80, and the middle part of the tenth rotating shaft 80 is provided with a third annular protrusion 112, the third annular protrusion 112 is rotatably mounted on the upper part of the tenth rotating shaft mounting hole 95 of the third gear box 89, the tenth rotating shaft 80 is inserted into the third gear box 89 through the tenth rotating shaft mounting hole 95, the other end of the tenth rotating shaft 80 is fixedly mounted with a first bevel gear 81, the first bevel gear 81 is meshed with the second bevel gear 82, the second bevel gear 82 is fixedly mounted on the end of the eleventh rotating shaft 83, the middle and lower part of the eleventh rotating shaft 83 is provided with a second annular protrusion 90, the thrust rack mounting shaft 84 is sleeved on the lower part of the eleventh rotating shaft 83, the thrust rack mounting shaft 84 is rotatably mounted on the lower end of the second annular protrusion 90, the thrust rack 85 is symmetrically fixed on both sides of the thrust rack mounting shaft 84, the thrust rack 85 and the thrust half gear 86 is meshed, the thrust half gear 86 is fixedly mounted on one end of the twelfth rotating shaft 87, and the other end of the twelfth rotating shaft 87 is rotatably mounted in the third gear box 89. The middle part of the twelfth rotating shaft 87 is fixedly mounted with a fifth cylindrical gear 88, and the fifth cylindrical gear 88 is meshed with the sixth cylindrical gear 115; the second motor mounting frame 96 is fixedly mounted on the third gear box 89, and the sixth motor 94 is fixedly mounted on the second motor mounting frame 96. A fifth pulley 117 is fixedly mounted on the power output shaft of the sixth motor 94, and the fifth pulley 117 is connected to the integrated fan shaft 92 through the third transmission belt 93. 48 fan blades are fixedly mounted at equal angles on the upper part of the integrated fan shaft 92, which are at an angle of 30° to its axis. The integrated fan shaft 92 is rotatably inserted into the eleventh rotating shaft. In the shaft 83, the eleventh rotating shaft 83 is fixedly installed with the double cone shaft 97, and the double cone shaft 97 is symmetrically and equidistantly fixed with two groups of first inner cutting knives 98, second inner cutting knives 99, and third inner cutting knives 100 respectively. The rectangular end of the crushing shell fixing frame 107 is fixedly installed on the rear platform 14 of the frame 1, and the crushing shell 101 is fixedly installed on the inner side of the other end of the circular ring of the crushing shell fixing frame 107. A receiving port 106 is fixedly installed on the top of the crushing shell 101. The two crushing shells 101 are fixedly installed symmetrically with respect to the major diameter, and the first outer cutting knife 102, the second outer cutting knife 103, and the third outer cutting knife 104 are fixedly installed equidistantly on the inner side of the crushing shell 101. The outer cutting knife and the inner cutting knife are provided with serrated edges, the outer cutting knife is a fixed knife, and the inner cutting knife is a movable knife, and the movable knife cooperates with the fixed knife to form support cutting;The lower part of the crushing housing 101 is fixedly mounted on the upper end of the fan housing 110, and a material throwing bridge 109 is fixedly mounted on the lower end of the fan housing 110. An axial hole is opened at the lower end of the material throwing bridge 109, and the material throwing bridge 109 is inserted on the eleventh rotating shaft 83 through the axial hole. One end of the third gear box mounting frame 108 is fixedly mounted below the rear platform 14 of the frame 1, and the other end of the third gear box mounting frame 108 is fixedly mounted on one side of the third gear box 89. ;

[0022] During operation, the tractor drives the implement forward, and the operation centers of the flushing soil-breaking mechanism, the stubble collecting mechanism, the conveying mechanism, and the stubble crushing mechanism are located directly above the stubble, and the four legs of the implement move in the furrow; the first battery 7 supplies power to the first motor 9 and the first controller 8 through electric wires, and the first controller 8 controls the first motor 9 to rotate through electric wires, and the first motor 9 drives the first bevel gear 10 to rotate, and the first bevel gear 10 drives the second bevel gear 11 to rotate through gear meshing, and the second bevel gear 11 drives the rotating rear shell 12 to rotate, and the rotating rear shell 12 drives the rotating front shell 21 to rotate, and the rotating front shell 21 drives the three eccentrically arranged water gun bases 20 to rotate around the axis of the rotating front shell 21, and the water gun base 20 drives the water gun 19 to rotate around the axis of the rotating front shell 21; the first battery 7 supplies power to the second controller 22 and the second motor 23 through electric wires, and the second controller 22 controls the second motor 23 to rotate through electric wires, and the second motor 23 drives the first cylindrical gear 25 to rotate through the coupling 24, and the first cylindrical gear 25 drives the second cylindrical gear 26 to rotate through the gear meshing. The first cylindrical gear 25 and the second cylindrical gear 26 mesh and pressurize to extract the liquid from the liquid outlet of the water tank 32, and the liquid is drawn into the liquid pump from the liquid inlet of the liquid pump rear shell 27 through the third liquid delivery pipe 30. The liquid is then pumped out from the liquid outlet of the liquid pump rear shell 27 into the fourth liquid delivery pipe 31, and then the liquid enters the water-passing fixed shaft 13 through the pipe hole of the middle platform 91, and then is diverted by the liquid distribution pipe 6 to enter the first liquid delivery pipe 17, enter the water gun 19 through the second liquid delivery pipe 18, and finally sprayed out at a high speed through the water spray port of the water gun 19, thereby realizing that the flushing device rotates to flush the stubble and the surrounding soil, realizing that the soil is separated from the stubble surface, and the soil around the stubble is flushed and softened, so that the soil is in a thin mud state, while reducing the overall disturbance of the machine to the soil, reducing the energy consumption required for the stubble collecting device to grab the stubble;The first battery 7 supplies power to the third controller 63 and the third motor 33 through electric wires, the third controller 63 controls the third motor 33 to rotate through electric wires, the third motor 33 drives the first pulley 34 to rotate, the first pulley 34 drives the second pulley 36 to rotate through the first transmission belt 35, the second pulley 36 drives the second rotating shaft 37 to rotate, the second rotating shaft 37 drives the mounting disk 49, the tension rod mounting frame 111, and the third bevel gear 39 to rotate, the third bevel gear 39 is meshed with the fourth bevel gear 40, the fourth bevel gear 40 is meshed with the fifth bevel gear 41, the third bevel gear 39 drives the fifth bevel gear 41 to rotate through gear meshing, and the fifth bevel gear 41 drives the fifth bevel gear 41 to rotate. The third rotating shaft 42 is driven to rotate, the third rotating shaft 42 drives the third cylindrical gear 43 to rotate, the third cylindrical gear 43 drives the fourth cylindrical gear 44 to rotate through gear meshing, the fourth cylindrical gear 44 drives the fourth rotating shaft 45 to rotate, the fourth rotating shaft 45 drives the sixth bevel gear 46 to rotate, the sixth bevel gear 46 drives one end of the seventh bevel gear 47 to rotate through gear meshing, and then drives the first cylindrical protrusion 50 of the seventh bevel gear 47 to rotate around the center of the seventh bevel gear 47, the first cylindrical protrusion 50 drives the lifting plate 52 to make a reciprocating motion perpendicular to the mounting disc 49 through the first connecting rod 51, and the mounting disc 49 drives the lifting plate 52 through the limiting rod 113 The plate 52 rotates, and the lifting plate 52 drives the fixed claw 54 to rotate through the fixed claw mounting frame 53. The tension rod mounting frame 111 drives the tension rod fixing sleeve 116 to slide along the slide groove of the thrust rod sliding frame 58 through the rotation of the tension rod fixing sleeve 116. The tension rod fixing sleeve 116 is stretched by the spring to make the side of the thrust rod 57 close to the tension rod mounting frame 111 always fit the thrust rod sliding frame 58 to slide, and make one end of the second connecting rod 56 slide along the thrust rod 57 perpendicular to the mounting disc 49. When the thrust rod 57 moves on the large and small arcs of the thrust rod sliding frame 58, the thrust rod 57 pushes the second connecting rod 56 through the lever principle to make the movable claw 55 cooperate with the fixed claw 54, so as to The movable and fixed claws cooperate with each other to grab or release the root stubble. When the thrust rod 57 moves along the large arc chute, the movable and fixed claws close to grab. When the thrust rod 57 moves along the two small arc chute, the movable and fixed claws release. When the thrust rod 57 is on the small arc on the ground side, the lifting plate 52 is located at the near point of the mounting disc 49, and the movable and fixed claws first dig and then grab the root stubble. When the thrust rod 57 is on the small arc on the side of the conveying mechanism, the lifting plate 52 is located at the far point of the mounting disc 49, and the movable and fixed claws release and throw out the root stubble, thereby realizing the periodic opening and closing of the movable and fixed claws, and then realizing the effect that when touching the soil, the movable and fixed claws first dig and then grab the root stubble, and when reaching the high point on one side of the conveying mechanism, the movable and fixed claws release and throw out the root stubble.The first battery 7 supplies power to the fourth controller 64 and the fourth motor 65 through electric wires, the fourth controller 64 controls the fourth motor 65 to rotate through electric wires, the fourth motor drives the third pulley 66 to rotate, the third pulley 66 drives the fourth pulley 68 to rotate through the second transmission belt 67, the fourth pulley 68 drives the seventh shaft 70 to rotate, the seventh shaft 70 drives the first roller 69 to rotate, the first roller 69 drives the second roller 72 to rotate through the feeding belt 71, the second roller 72 drives the eighth shaft 73 to rotate, thereby completing the movement of the feeding belt 71 to transport the stubble upward; the second battery 74 supplies power to the fifth controller 75, the fifth motor 76, and the sixth motor 9 through electric wires. 4 power supply, the fifth controller 75 controls the fifth motor 76 and the sixth motor 94 to rotate through the wires, the fifth motor 76 drives the ninth rotating shaft 77 to rotate, the ninth rotating shaft 77 drives the eighth bevel gear 78 to rotate, the eighth bevel gear 78 drives the ninth bevel gear 79 to rotate through gear meshing, the ninth bevel gear 79 drives the tenth rotating shaft 80 to rotate, the tenth rotating shaft 80 drives the first bevel gear 81 to rotate, the first bevel gear 81 drives the second bevel gear 82 to rotate through gear meshing, the second bevel gear 82 rotates and drives the eleventh rotating shaft 83 to rotate, the eleventh rotating shaft 83 rotates and drives the double bevel shaft 97 to rotate; the ninth rotating shaft 77 drives the sixth cylindrical gear 115 to rotate, the sixth cylindrical gear 115 rotates, and the sixth cylindrical gear 115 rotates. The gear 115 drives the fifth cylindrical gear 88 on both sides of the sixth cylindrical gear 115 to rotate through gear meshing, the fifth cylindrical gear 88 drives the twelfth rotating shaft 87 to rotate, the twelfth rotating shaft 87 drives the thrust half gear 86 to rotate, the thrust half gear 86 drives the thrust rack 85 to perform unidirectional linear motion in the vertical plane through gear meshing, the thrust half gears 86 on both sides periodically and alternately mesh to realize the reciprocating motion of the thrust rack mounting shaft 84 in the vertical plane perpendicular to the ground, the thrust rack mounting shaft 84 drives the eleventh rotating shaft 83 to reciprocate through the second annular protrusion 90 of the eleventh rotating shaft 83, the eleventh rotating shaft 83 drives the double cone shaft 97 to reciprocate, thereby realizing the double cone shaft The moving knife group 97 and the fixed knife group of the crushing shell 101 rotate to shred the stubble, and at the same time, each moving knife of the double cone shaft 97 can reciprocate between the two adjacent fixed knives of the crushing shell 101, so as to realize the squeezing and cutting of the moving and fixed knives, improve the quality of stubble crushing, and facilitate the stubble to slide downward under the action of gravity; the sixth motor 94 drives the fifth pulley 117 to rotate, and the fifth pulley 117 drives the integrated fan shaft 92 to rotate through the third transmission 93, thereby realizing that the integrated fan shaft 92 sucks the stubble fragments into the throwing bridge 109, and finally the stubble fragments are thrown from the throwing bridge 109 to both sides of the forward direction of the machine and fall into the ditch, so as to form a flushing type crop stubble efficient crushing and returning device. ;

[0023] 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.

[0024] 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 flushing type crop stubble efficient crushing and returning device, characterized in that: The device comprises a frame (1), a first suspension frame (2) and a second suspension frame (3) are arranged at the front end of the upper part of the frame (1), field wheels (5) are rotatably mounted on four legs at the lower part of the frame through wheel axles (4), and a flushing type soil breaking mechanism, a stubble collecting mechanism, a conveying mechanism, and a stubble crushing mechanism are arranged in sequence from front to back at the lower part of the frame (1).

2. The flushing type crop stubble efficient crushing and returning device according to claim 1 is characterized by: The flushing earth-breaking mechanism is fixed to the front end of the lower part of the frame (1); the first battery (7) is fixedly mounted on the upper part of the middle platform (91) of the frame (1); the front part of the middle platform (91) is provided with a pipe hole; the first controller (8) and the first motor (9) are both fixedly mounted on the lower part of the middle platform (91) of the frame (1); the first battery (7) is connected to the first motor (9) and the first controller (8) respectively through electric wires; the first controller (8) is connected to the first motor (9) through electric wires; the first bevel gear (10) is fixedly mounted on the power output shaft of the first motor (9); the first bevel gear (10) is meshed with the second bevel gear (11); the second bevel gear (11) is fixedly mounted on the upper end of the rotating rear shell (12); the lower end of the rotating rear shell (12) is fixedly mounted concentrically with the first bevel gear (11); A liquid dispensing tube (6) is provided, and three pipe openings are arranged at equal angles in the circumferential direction on the liquid dispensing tube (6), and each pipe opening is fixedly connected to one end of a first liquid delivery tube (17). Three pipe holes are opened at equal angles in the circumferential direction on the rotating front shell (21), and one end of the second liquid delivery tube (18) passes through the pipe hole and is fixedly connected to the other end of the first liquid delivery tube (17). The other end of the second liquid delivery tube (18) is connected to the water outlet of a water gun (19). The water gun (19) is hinged to a water gun base (20), and the water gun base (20) is fixedly connected to the bottom of the rotating front shell (21). The rotating front shell (21) is concentrically fixedly connected to the rotating rear shell (12), and the rotating rear shell (12) is sleeved on the water flow fixed shaft (13). The annular bayonet at the end of the rotating rear shell (12) can be rotatably installed on the water flow fixed shaft. On the first annular protrusion (15) of the fixed shaft (13), a sealing member (16) is clamped between the liquid dispensing tube (6) and the water-passing fixed shaft (13), and the water-passing fixed shaft (13) is fixedly mounted on the lower part of the intermediate platform (91); the second controller (22), the first motor mounting frame (29), the liquid pump rear shell (27), and the water tank (32) are all fixedly mounted on the upper part of the intermediate platform (91), the second motor (23) is fixedly mounted on the first motor mounting frame (29), the first battery (7) is connected to the second controller (22) and the second motor (23) respectively through electric wires, the second controller (22) is connected to the second motor (23) through electric wires, the upper part of the liquid pump rear shell (27) is provided with a gear shaft, the lower part is provided with a motor shaft hole, and the first cylindrical gear The first and second cylindrical gears (25) are fixedly mounted on the power output shaft of the second motor (23) through a coupling (24); the second cylindrical gear (26) is meshed with the first cylindrical gear (25); the second cylindrical gear (26) is rotatably mounted on the gear shaft of the liquid pump rear housing (27); the liquid pump front housing (28) is fixedly mounted on the liquid pump rear housing (27) to achieve a sealing of the rotation space between the first cylindrical gear (25) and the second cylindrical gear (26); one end of the third liquid delivery pipe (30) is connected to the water tank (32); the other end of the third liquid delivery pipe (30) is connected to the liquid inlet on the liquid pump rear housing (27); one end of the fourth liquid delivery pipe (31) is connected to the liquid outlet of the liquid pump rear housing (27); the other end of the fourth liquid delivery pipe (31) passes through the pipe hole and is connected to the water-passing fixed shaft (13).

3. The flushing type crop stubble efficient crushing and returning device according to claim 1 is characterized by: The root stubble collecting mechanism is located in the middle of the lower part of the frame (1); the third controller (63) and the third motor (33) are fixedly mounted on the upper part of the middle platform (91) of the frame (1); the first battery (7) is connected to the third controller (63) and the third motor (33) respectively through electric wires; the third controller (63) is connected to the third motor (33) through electric wires; the power output shaft of the third motor (33) is fixedly mounted with a first pulley (34); the first pulley (34) is connected to a second pulley (36) through a first transmission belt (35); the second pulley (36) is fixedly mounted on one end of a second rotating shaft (37); the second rotating shaft (37) passes through an axial hole at the lower end of the frame (1) and is rotatably mounted on the frame (1); the other end of the second rotating shaft (37) is fixedly mounted with a pulley (34); A force rod mounting frame (111), a hollow second rotating shaft (37) and concentrically mounted on the first rotating shaft (38), a mounting disc (49) is fixedly mounted in the middle of the second rotating shaft (37), one end of the first rotating shaft (38) is fixedly mounted on the frame (1), a third bevel gear (39) is fixedly mounted on the second rotating shaft (37), the third bevel gear (39) is meshed with the fourth bevel gear (40), the fourth bevel gear (40) is meshed with the fifth bevel gear (41), the fourth bevel gear (40) is fixedly mounted on one end of the sixth rotating shaft (59), the other end of the sixth rotating shaft (59) is rotatably mounted on the first gear box (60), one end of a second gear box mounting frame (61) is fixedly mounted on the first gear box (60), and the other end of the second gear box mounting frame (61) is fixedly mounted on the first gear box (60). The first gear box (60) is fixedly mounted on the second gear box (62), one end of the first gear box mounting frame (114) is fixedly mounted with the first gear box (60), the other end of the first gear box mounting frame (114) is fixedly mounted on the lower part of the middle platform (91) of the frame (1), a hollow third rotating shaft (42) is inserted into the second rotating shaft (37), one end of the third rotating shaft (42) is fixedly mounted with a fifth bevel gear (41), the other end of the third rotating shaft (42) is fixedly mounted with a third cylindrical gear (43), the third cylindrical gear (43) is meshed with a fourth cylindrical gear (44), the fourth cylindrical gear (44) is fixedly mounted on the middle part of the fourth rotating shaft (45), one end of the fourth rotating shaft (45) is fixedly mounted with a sixth bevel gear (46), the other end of the fourth rotating shaft (45) is rotatably mounted on the second rotating shaft (37), On the gear box (62), the sixth bevel gear (46) is meshed with the seventh bevel gear (47), the seventh bevel gear (47) is coaxially fixed to one end of the fifth rotating shaft (48), the other end of the fifth rotating shaft (48) is rotatably installed in the mounting hole of the mounting disc (49), the eccentric part of the seventh bevel gear (47) is provided with a first cylindrical protrusion (50), the first cylindrical protrusion (50) is hinged to one end of the first connecting rod (51), the other end of the first connecting rod (51) is hinged to the connecting shaft (119), the connecting shaft (119) is fixed to the end surface of the connecting rod base (118), the mounting disc (49) is provided with three groups of limiting holes at equal angles in the circumferential direction, each group is provided with two limiting holes, and a limiting rod (113) is fixedly installed at both ends of the radial direction of one side of the lifting plate (52),A connecting rod base (118) is fixedly installed in the middle of the lifting plate (52) on the same side as the limiting rod (113), and a fixed claw mounting frame (53) is fixedly installed in the middle of the other side. The limiting rod (113) is inserted into the limiting hole of the mounting disc (49), and the end of the fixed claw (54) is fixed in the fixed claw mounting frame (53). The movable claw (55) is rotatably installed on the upper part of the fixed claw (54). The side end of the movable claw (55) is hinged to the lever end of the second connecting rod (56), and the other end of the second connecting rod (56) is connected to the thrust rod (57). One end of the thrust rod (57) is slidably installed. The thrust rod (57) is mounted in the guide rail of the thrust rod sliding frame (58), the other end of the thrust rod (57) is inserted into the annular rod sleeve of the tension rod fixing sleeve (116), one end of the tension rod fixing sleeve (116) is provided with a spring, the other end of the tension rod fixing sleeve (116) is provided with an annular rod sleeve, one end of the spring is fixedly mounted in the tension rod mounting frame (111), the thrust rod sliding frame (58) is fixedly mounted on the first rotating shaft (38), the two small arc center points of the thrust rod sliding frame (58) form an angle of 160 degrees, the other small arc faces the ground, and the other small arc faces obliquely the feeding mechanism.

4. The flushing type crop stubble efficient crushing and returning device according to claim 1 is characterized in that: The conveying mechanism is located at the lower part of the frame (1) and between the root stubble collecting mechanism and the root stubble crushing mechanism. The fourth controller (64) and the fourth motor (65) are both fixedly mounted on the middle platform (91) of the frame (1). The first battery (7) is connected to the fourth controller (64) and the fourth motor (65) respectively through electric wires. The fourth controller (64) is connected to the fourth motor (65) through electric wires. The ends of the seventh rotating shaft (70) and the eighth rotating shaft (73) are rotatably mounted on the frame (1). The power output shaft of the fourth motor (65) is fixedly mounted with a third pulley (66). The third pulley (66) is connected to the fourth pulley (68) through a second transmission belt (67). The fourth pulley (68) and the first roller (69) are both fixedly mounted on the seventh rotating shaft (70). The two ends of the feeding belt (71) are respectively mounted on the first roller (69) and the second roller (72). The second roller (72) is fixedly mounted on the eighth rotating shaft (73).

5. The flushing type crop stubble efficient crushing and returning device according to claim 1 is characterized by: The root stubble crushing mechanism is located at the lower rear end of the frame (1); the second battery (74) and the fifth controller (75) are both fixedly mounted below the rear platform (14) of the frame (1); the second battery (74) is connected to the fifth controller (75), the fifth motor (76), and the sixth motor (94) through wires; the fifth controller (75) is connected to the fifth motor (76) and the sixth motor (94) through wires; the power output shaft of the fifth motor (76) is fixedly mounted to one end of the ninth rotating shaft (77); The other end of the rotating shaft (77) is fixedly mounted with a sixth cylindrical gear (115), the middle of the ninth rotating shaft (77) is fixedly mounted with an eighth bevel gear (78), the eighth bevel gear (78) is meshed with the ninth bevel gear (79), the ninth bevel gear (79) is fixedly mounted on one end of the tenth rotating shaft (80), the middle of the tenth rotating shaft (80) is provided with a third annular protrusion (112), the third annular protrusion (112) is rotatably mounted on the upper part of the tenth rotating shaft mounting hole (95) of the third gear box (89), the tenth rotating shaft (80) is fixedly mounted with an eighth bevel gear (78) in the middle of the ninth rotating shaft (77), the eighth bevel gear (78) is meshed with the ninth bevel gear (79), the ninth bevel gear (79) is fixedly mounted on one end of the tenth rotating shaft (80), the middle of the tenth rotating shaft (80) is provided with a third annular protrusion (112), the third annular protrusion (112) is rotatably mounted on the upper part of the tenth rotating shaft mounting hole (95) of the third gear box (89), the tenth rotating shaft (80 ) is inserted into the third gear box (89) through the tenth rotating shaft mounting hole (95), the other end of the tenth rotating shaft (80) is fixedly mounted with a first bevel gear (81), the first bevel gear (81) is meshed with a second bevel gear (82), the second bevel gear (82) is fixedly mounted on the end of the eleventh rotating shaft (83), a second annular protrusion (90) is provided at the middle and lower part of the eleventh rotating shaft (83), a thrust rack mounting shaft (84) is sleeved on the lower part of the eleventh rotating shaft (83), and the thrust rack mounting shaft (84) is rotatably mounted At the lower end of the second annular protrusion (90), a thrust rack (85) is symmetrically fixed on both sides of the thrust rack mounting shaft (84), the thrust rack (85) is meshed with a thrust half gear (86), the thrust half gear (86) is fixed to one end of the twelfth rotating shaft (87), the other end of the twelfth rotating shaft (87) is rotatably installed in the third gear box (89), a fifth cylindrical gear (88) is fixed in the middle of the twelfth rotating shaft (87), and the fifth cylindrical gear (88) is meshed with a sixth cylindrical gear (115);The second motor mounting frame (96) is fixedly mounted on the third gear box (89), the sixth motor (94) is fixedly mounted on the second motor mounting frame (96), a fifth pulley (117) is fixedly mounted on the power output shaft of the sixth motor (94), the fifth pulley (117) is connected to the integrated fan shaft (92) through the third transmission belt (93), 48 fan blades are fixedly mounted at equal angles in the circumferential direction of the upper part of the integrated fan shaft (92) and form an angle of 30° with the axis thereof, the integrated fan shaft (92) is rotatably inserted into the eleventh rotating shaft (83), the eleventh rotating shaft (83) is fixedly mounted on the double cone shaft (97), and two groups of first inner cutting knives (98) are fixedly mounted symmetrically and equidistantly on the double cone shaft (97) at upper and lower parts. , a second inner cutter (99), a third inner cutter (100), a rectangular end of a crushing shell fixing frame (107) is fixedly mounted on a rear platform (14) of the frame (1), a crushing shell (101) is fixedly mounted on the inner side of the other end of the circular ring of the crushing shell fixing frame (107), a material receiving port (106) is fixedly mounted above the crushing shell (101), the two crushing shells (101) are fixedly mounted with large diameters symmetrically, a first outer cutter (102), a second outer cutter (103), and a third outer cutter (104) are fixedly mounted at equal distances on the inner side of the crushing shell (101), the outer cutter and the inner cutter are provided with sawtooth edges, the outer cutter is a fixed cutter, and the inner cutter is a movable cutter, and the movable cutter cooperates with the fixed cutter to form a support cutting; The lower part of the crushing housing (101) is fixedly mounted on the upper end of the fan housing (110), and a throwing bridge (109) is fixedly mounted on the lower end of the fan housing (110). An axial hole is formed at the lower end of the throwing bridge (109), and the throwing bridge (109) is inserted onto the eleventh rotating shaft (83) through the axial hole. One end of the third gear box mounting frame (108) is fixedly mounted below the rear platform (14) of the frame (1), and the other end of the third gear box mounting frame (108) is fixedly mounted on one side of the third gear box (89).

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