A high-efficiency device for breaking and returning crop root stubbles

Abstract

The application discloses a kind of high-efficiency broken and returned to field device of crop root stubble flushing type, device includes frame, three-point suspension frame is arranged in the upper front end of frame, field wheel is arranged in the lower part of frame, the lower part of frame is sequentially arranged flushing type soil breaking mechanism, root stubble collection mechanism, conveying mechanism, root stubble breaking mechanism from front to back;Above all, the application is rotated by flushing type soil breaking mechanism and flushes root stubble root and surrounding soil, breaks, scatters root stubble surrounding soil, and makes it into thin mud;Root stubble collection mechanism realizes the digging up and throwing of root stubble by crank slider mechanism, and movable jaw is loosened by lever principle on thrust rod mounting frame to complete the grabbing of root stubble;Conveying mechanism conveys root stubble to breaking mechanism;Root stubble breaking mechanism is meshed by thrust half gear and rack, bevel gear, and drive movable knife to reciprocate up and down, rotate support cutting, realize the high-efficiency breaking of root stubble, finally root stubble is thrown into two side furrows, and the high-efficiency pulling and breaking of root stubble are completed.

Description

TECHNICAL FIELD

[0001] The application belongs to agricultural machinery, and mainly relates to a flushing type crop root stubble efficient crushing and returning device. BACKGROUND

[0002] At present, most machine tools have poor root stubble crushing effect, and when the root stubble is crushed, the cutter directly cuts the soil and the root stubble, the machine tool has large energy consumption and soil disturbance; after crushing, the root stubble is mostly left on the ground, which affects subsequent field operation. SUMMARY

[0003] The purpose of the application is to solve the above technical problems, and a flushing type crop root stubble efficient crushing and returning device is developed, the flushing type soil breaking mechanism rotates to flush the root stubble and the soil around the root stubble, breaks and scatters the soil around the root stubble, so that the root stubble is easily dug up; the root stubble collecting mechanism rotates to dig up the root stubble, and through the crank slider mechanism on the lifting plate, reciprocating motion perpendicular to the installation disc is realized, the root stubble is dug up at a far point from the installation disc and thrown into the collecting device at a near point from the installation disc, the movable jaw realizes opening and closing action in the small arc of the push rod sliding frame through lever movement, loosens or grabs the root stubble, and the movable jaw keeps closed in the large arc of the push rod sliding frame, and tightens and clamps the grabbed root stubble; the conveying mechanism transports the root stubble upward to the root stubble crushing mechanism through the feeding belt; the root stubble crushing mechanism rotates and supports the cutting and crushing of the root stubble through the meshing of the thrust half gear and the rack and the meshing of the two bevel gears, and finally throws the crushed root stubble into the two side furrows, so that the device realizes efficient crushing of the root stubble after low-residual pulling in the soil with low soil disturbance. The purpose of the application is achieved: the machine frame is provided with a first suspension frame and a second suspension frame at the upper front end, a field wheel is rotatably installed on the lower four legs of the machine frame through a wheel shaft, the lower part of the machine frame is sequentially provided with a flushing type 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 connected by wires.

[0004] The flushing type soil breaking mechanism is fixed at the front end of the lower part of the frame, the first battery is fixed on the upper part of the middle platform of the frame, a pipe hole is opened in the front part of the middle platform, the first controller and the first motor are fixed on the lower part of the middle platform of the frame, the first battery is connected with the first motor and the first controller through wires respectively, the first controller is connected with the first motor through wires, the first bevel gear is fixed on the power output shaft of the first motor, the first bevel gear is engaged with the second bevel gear, the second bevel gear is fixed on the upper end of the rotating rear shell, the lower end of the rotating rear shell is concentrically fixed with the distribution pipe, three pipe openings are arranged on the distribution pipe at equal angles, one end of each first liquid delivery pipe is fixed with one pipe opening, three pipe holes are opened on the rotating front shell at equal angles, one end of the second liquid delivery pipe is fixed with the other end of the first liquid delivery pipe through the pipe hole, the other end of the second liquid delivery pipe is connected with the water inlet of the water gun, the water gun is hingedly connected with the water gun base, the water gun base is fixed on the bottom of the rotating front shell, the rotating front shell is concentrically fixed on the rotating rear shell, the rotating rear shell is sleeved on the water passing fixed shaft, the annular clamping opening of the rotating rear shell is rotatably installed on the first annular protrusion of the water passing fixed shaft, the sealing element is clamped between the distribution pipe and the water passing fixed shaft, and the water passing fixed shaft is fixed 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 fixed on the upper part of the middle platform, the second motor is fixed on the first motor mounting frame, the first battery is connected with the second controller and the second motor through wires respectively, the second controller is connected with the second motor through wires, the gear shaft is arranged on the upper part of the liquid pump rear shell, the motor shaft hole is opened in the lower part, the first cylindrical gear is fixed on the power output shaft of the second motor through a shaft coupling, the second cylindrical gear is engaged with the first cylindrical gear, the second cylindrical gear is rotatably installed on the gear shaft of the liquid pump rear shell, the liquid pump front shell is fixed on the liquid pump rear shell, the rotation space of the first cylindrical gear and the second cylindrical gear is sealed, one end of the third liquid delivery pipe is connected with the water tank, the other end of the third liquid delivery pipe is connected with the liquid inlet on the liquid pump rear shell, one end of the fourth liquid delivery pipe is connected with the liquid outlet of the liquid pump rear shell, and the other end of the fourth liquid delivery pipe is connected with the water passing fixed shaft through the pipe hole.

[0005] The root stub collecting mechanism is located in the middle of the lower part of the frame, the third controller and the third motor are fixed on the upper part of the middle platform of the frame, the first battery is connected with the third controller and the third motor through wires respectively, the third controller is connected with the third motor through wires, the power output shaft of the third motor is fixed with a first pulley, the first pulley is connected with a second pulley through a first transmission belt, the second pulley is fixed on one end of a second rotating shaft, the second rotating shaft is rotatably installed on the frame through a shaft hole at the lower end of the frame, the other end of the second rotating shaft is fixed with a tension rod mounting bracket, the hollow second rotating shaft is concentrically sleeved on the first rotating shaft, the middle part of the second rotating shaft is fixed with a mounting disc, one end of the first rotating shaft is fixed on the frame, a third bevel gear is fixed on the second rotating shaft, the third bevel gear is engaged with a fourth bevel gear, the fourth bevel gear is engaged with a fifth bevel gear, the fourth bevel gear is fixed on one end of a sixth rotating shaft, the other end of the sixth rotating shaft is rotatably installed on the first gear box, one end of a first-second gear box mounting bracket is fixed on the first gear box, the other end of the first-second gear box mounting bracket is fixed on a second gear box, one end of a first gear box mounting bracket is fixed with the first gear box, the other end of the first gear box mounting bracket is fixed on the lower part of the middle platform of the frame, a hollow third rotating shaft is inserted into the second rotating shaft, one end of the third rotating shaft is fixed with a fifth bevel gear, the other end of the third rotating shaft is fixed with a third cylindrical gear, the third cylindrical gear is engaged with a fourth cylindrical gear, the fourth cylindrical gear is fixed on the middle part of a fourth rotating shaft, one end of the fourth rotating shaft is fixed with a sixth bevel gear, the other end of the fourth rotating shaft is rotatably installed on the second gear box, the sixth bevel gear is engaged with a seventh bevel gear, the seventh bevel gear is fixed on one end of a fifth rotating shaft, the other end of the fifth rotating shaft is rotatably installed in a mounting disc mounting hole, an eccentric part of the seventh bevel gear is provided with a first cylindrical protrusion, one end of the first connecting rod is hinged with the first cylindrical protrusion, the other end of the first connecting rod is hinged with a connecting shaft, the connecting shaft is fixed on the end face of a connecting rod base, the mounting disc is provided with three groups of limiting holes at equal angles, each group is provided with two limiting holes, two limiting rods are respectively fixed on the two ends of the radial side of the lifting plate, a connecting rod base is fixed on the middle of the lifting plate on the same side of the limiting rods, a detent mounting bracket is fixed on the other middle of the lifting plate, the limiting rods are inserted into the limiting holes of the mounting disc, the detent end is fixed in the detent mounting bracket, a movable jaw is rotatably installed on the upper part of the detent, the side end of the movable jaw is hinged with the lever end of a second connecting rod, the other end of the second connecting rod is connected with a thrust rod, one end of the thrust rod is slidably installed in the guide rail of a thrust rod sliding bracket, the other end of the thrust rod is inserted into the annular rod sleeve of a 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 fixed in the tension rod mounting bracket, the thrust rod sliding bracket is fixed on the first rotating shaft, the two center points of the small arcs of the thrust rod sliding bracket form an angle of 160°, the other small arc is directly opposite to the ground, and one small arc is obliquely opposite to the material conveying mechanism.

[0006] The conveying mechanism is located at the lower part of the frame, between the rootstock collecting mechanism and the rootstock crushing mechanism, the fourth controller and the fourth motor are both fixed on the middle platform of the frame, the first battery is connected with the fourth controller and the fourth motor through wires respectively, the fourth controller is connected with the fourth motor through wires, the seventh shaft and the eighth shaft are rotatably installed at the ends of the frame, the third pulley is fixed on the power output shaft of the fourth motor, the fourth pulley is connected with the third pulley through the second transmission belt, the fourth pulley and the first roller are both fixed on the seventh shaft, the feeding belt is sleeved on the first roller and the second roller at both ends respectively, and the second roller is fixed on the eighth shaft.

[0007] The root stub crushing mechanism is located at the rear end of the lower part of the frame, the second battery and the fifth controller are both fixed below the rear platform of the frame, the second battery is connected with the fifth controller, the fifth motor and the sixth motor through wires respectively, the fifth controller is connected with the fifth motor and the sixth motor through wires respectively, the power output shaft of the fifth motor is fixed with one end of the ninth rotating shaft, the other end of the ninth rotating shaft is fixed with the sixth cylindrical gear, the middle part of the ninth rotating shaft is fixed with the eighth bevel gear, the eighth bevel gear is meshed with the ninth bevel gear, one end of the tenth rotating shaft is fixed with the ninth bevel gear, the middle part of the tenth rotating shaft is provided with the third annular protrusion, the third annular protrusion is rotatably installed on the upper part of the tenth rotating shaft mounting hole 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 fixed with the first helical gear, the first helical gear is meshed with the second helical gear, the second helical gear is fixed with the end of the eleventh rotating shaft, the middle and lower part of the eleventh rotating shaft is provided with the second annular protrusion, the thrust rack mounting shaft is sleeved on the lower part of the eleventh rotating shaft, the thrust rack mounting shaft is rotatably installed on the lower end of the second annular protrusion, the thrust racks are symmetrically fixed on both sides of the thrust rack mounting shaft, the thrust racks are meshed with the thrust half gears, the thrust half gears are fixed with one end of the twelfth rotating shaft, the other end of the twelfth rotating shaft is rotatably installed in the third gear box, the middle part of the twelfth rotating shaft is fixed with the fifth cylindrical gear, the fifth cylindrical gear is meshed with the sixth cylindrical gear; the second motor mounting frame is fixed on the third gear box, the sixth motor is fixed on the second motor mounting frame, the fifth pulley is fixed on the power output shaft of the sixth motor, the fifth pulley is connected with the integrated fan shaft through the third transmission belt, 48 fan blades are fixed on the upper part of the integrated fan shaft at equal angles, the integrated fan shaft is rotatably inserted into the eleventh rotating shaft, the eleventh rotating shaft is fixed with the double taper shaft, two groups of first inner cutting knives, second inner cutting knives and third inner cutting knives are symmetrically and equidistantly fixed on the double taper shaft, the rectangular end of the crushing shell fixing frame is fixed on the rear platform of the frame, the crushing shell is fixed on the inner side of the other end of the crushing shell fixing frame, the collecting port is fixed on the upper part of the crushing shell, two crushing shells are symmetrically fixed with large diameter, the first outer cutting knife, the second outer cutting knife and the third outer cutting knife are equidistantly fixed on the inner side of the crushing shell, the outer cutting knife and the inner cutting knife are provided with serrated edges, the outer cutting knife is a fixed knife, the inner cutting knife is a moving knife, and the moving 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, the lower end of the material throwing bridge is fixed on the fan shell, the lower end of the material throwing bridge is provided with a shaft hole, the material throwing bridge is inserted into the eleventh rotating shaft through the shaft hole, one end of the third gear box mounting frame is fixed below the rear platform of the frame, 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 beneficial effects of the present application are: the present application mainly comprises a flushing type soil breaking mechanism, a root stubble collecting mechanism, a conveying mechanism and a root stubble breaking mechanism, the flushing type soil breaking mechanism rotates to flush the root stubble and the soil around the root stubble, so that the soil around the root stubble is in a slurry state, and the root stubble is excavated with low soil disturbance and low residue; the root stubble collecting mechanism rotates to excavate the root stubble, and through the crank slider mechanism on the lifting plate, reciprocating motion perpendicular to the installation disc is realized, the root stubble is excavated at a far point from the installation disc and thrown into the collecting device at a near point from the installation disc, the movable jaw realizes opening and closing and movement in a small circular arc of the thrust rod sliding frame through lever movement, the root stubble is released or grabbed, the movable jaw keeps closed in a large circular arc of the thrust rod sliding frame, the grabbed root stubble is tightly clamped, and the root stubble is excavated and thrown out not in the same vertical plane, that is, the root stubble is excavated on the ridge and thrown out in the furrow, so that the jaw part of the root stubble collecting mechanism does not interfere with the feeding belt of the conveying device; the conveying mechanism transports the root stubble upward to the root stubble breaking mechanism through the feeding belt; the root stubble breaking mechanism supports and cuts and breaks the root stubble through the meshing of the thrust half gear and the rack and the meshing of the two bevel gears, and finally breaks and throws the root stubble into the furrows on both sides, so that the root stubble is broken efficiently. BRIEF DESCRIPTION OF DRAWINGS

[0009] The accompanying drawings are included to provide a further understanding of the present application, and constitute a part of the specification, illustrate the present application and are used to explain the present application, and do not constitute a limitation on the present application.

[0010] In the drawings:

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

[0012] Figure 2 It is a schematic view of the flushing type soil breaking mechanism of the present application (multi-angle and without frame).

[0013] Figure 3 It is a schematic view of the root stubble collecting mechanism (multi-angle and without frame).

[0014] Figure 4 It is a schematic view of the conveying mechanism (multi-angle and without frame).

[0015] Figure 5 It is a schematic view of the root stubble breaking mechanism (multi-angle and without frame).

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

[0017] The application is described in detail below with reference to the drawings. A flushing type crop root stub efficient crushing and returning device includes a frame 1, a first suspension frame 2 and a second suspension frame 3 arranged at the upper front end of the frame 1, a field wheel 5 rotatably mounted on the lower four feet of the frame through a wheel shaft 4, a flushing type soil breaking mechanism, a root stub collecting mechanism, a conveying mechanism and a root stub crushing mechanism arranged in sequence from front to back at the lower part of the frame 1, and wires connected between a motor, a controller and a battery.

[0018] The flushing type soil breaking mechanism is fixed at the lower front end of the frame 1, the first battery 7 is fixed to the upper part of the intermediate platform 91 of the frame 1, the front part of the intermediate platform 91 is provided with a pipe hole, the first controller 8 and the first motor 9 are fixed to the lower part of the intermediate platform 91 of the frame 1, the first battery 7 is connected with the first motor 9 and the first controller 8 through wires, the first controller 8 is connected with the first motor 9 through a wire, the first bevel gear 10 is fixed to the power output shaft of the first motor 9, the first bevel gear 10 is engaged with the second bevel gear 11, the second bevel gear 11 is fixed to the upper end of the rotating rear shell 12, the lower end of the rotating rear shell 12 is concentrically fixed with the distribution pipe 6, the distribution pipe 6 is provided with three pipe openings at equal angles in the circumferential direction, each pipe opening is fixed with one end of the first liquid delivery pipe 17, the rotating front shell 21 is provided with three pipe holes at equal angles in the circumferential direction, one end of the second liquid delivery pipe 18 passes through the pipe hole and is fixed with the other end of the first liquid delivery pipe 17, the other end of the second liquid delivery pipe 18 is connected with the water inlet of the water gun 19, the water gun 19 is hinged with the water gun base 20, the water gun base 20 is fixed to the bottom of the rotating front shell 21, the rotating front shell 21 is concentrically fixed on the rotating rear shell 12, the rotating rear shell 12 is sleeved on the water delivery fixed shaft 13, the annular clamping opening at the end of the rotating rear shell 12 is rotatably installed on the first annular protrusion 15 of the water delivery fixed shaft 13, the sealing element 16 is clamped between the distribution pipe 6 and the water delivery fixed shaft 13, the water delivery fixed shaft 13 is fixed to 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 fixed to the upper part of the intermediate platform 91, the second motor 23 is fixed to the first motor mounting frame 29, the first battery 7 is connected with the second controller 22 and the second motor 23 through wires, the second controller 22 is connected with the second motor 23 through a wire, the liquid pump rear shell 27 is provided with a gear shaft at the upper part and a motor shaft hole at the lower part, the first cylindrical gear 25 is fixed to the power output shaft of the second motor 23 through the coupling 24, the second cylindrical gear 26 is engaged with the first cylindrical gear 25, the second cylindrical gear 26 is rotatably installed on the gear shaft of the liquid pump rear shell 27, the liquid pump front shell 28 is fixed to the liquid pump rear shell 27, the rotating space of the first cylindrical gear 25 and the second cylindrical gear 26 is sealed, one end of the third liquid delivery pipe 30 is connected with the water tank 32, the other end of the third liquid delivery pipe 30 is connected with the liquid inlet of the liquid pump rear shell 27, one end of the fourth liquid delivery pipe 31 is connected with the liquid outlet of the liquid pump rear shell 27, the other end of the fourth liquid delivery pipe 31 passes through the pipe hole and is connected with the water delivery fixed shaft 13.

[0019] The root stub 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 fixed to the upper part of the middle platform 91 of the frame 1, the first battery 7 is connected with the third controller 63 and the third motor 33 through wires respectively, the third controller 63 is connected with the third motor 33 through wires, the power output shaft of the third motor 33 is fixed with the first pulley 34, the first pulley 34 is connected with the second pulley 36 through the first transmission belt 35, the second pulley 36 is fixed to one end of the second rotating shaft 37, the second rotating shaft 37 is rotatably installed on the frame 1 through the shaft hole in the lower end of the frame 1, the other end of the second rotating shaft 37 is fixed with the tension rod mounting bracket 111, the hollow second rotating shaft 37 is concentrically sleeved on the first rotating shaft 38, the middle part of the second rotating shaft 37 is fixed with the mounting disc 49, one end of the first rotating shaft 38 is fixed to the frame 1, the third bevel gear 39 is fixed to the second rotating shaft 37, the third bevel gear 39 is engaged with the fourth bevel gear 40, the fourth bevel gear 40 is engaged with the fifth bevel gear 41, one end of the fourth bevel gear 40 is fixed to the sixth rotating shaft 59, the other end of the sixth rotating shaft 59 is rotatably installed on the first gear box 60, one end of the one-two gear box mounting bracket 61 is fixed to the first gear box 60, the other end of the one-two gear box mounting bracket 61 is fixed to the second gear box 62, one end of the first gear box mounting bracket 114 is fixed with the first gear box 60, the other end of the first gear box mounting bracket 114 is fixed to the lower part of the middle platform 91 of the frame 1, the hollow third rotating shaft 42 is inserted into the second rotating shaft 37, one end of the third rotating shaft 42 is fixed with the fifth bevel gear 41, the other end of the third rotating shaft 42 is fixed with the third cylindrical gear 43, the third cylindrical gear 43 is engaged with the fourth cylindrical gear 44, the fourth cylindrical gear 44 is fixed to the middle part of the fourth rotating shaft 45, one end of the fourth rotating shaft 45 is fixed with the sixth bevel gear 46, the other end of the fourth rotating shaft 45 is rotatably installed on the second gear box 62, the sixth bevel gear 46 is engaged with the seventh bevel gear 47, the seventh bevel gear 47 is fixed to one end of the fifth rotating shaft 48 in concentric, 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 the first cylindrical protrusion 50, the first cylindrical protrusion 50 is hinged with one end of the first connecting rod 51, the other end of the first connecting rod 51 is hinged with the connecting shaft 119, the connecting shaft 119 is fixed to the end face of the connecting rod base 118, the mounting disc 49 is provided with three groups of limiting holes at equiangular angles in the circumference, each group is provided with two limiting holes, the two ends of the lifting plate 52 on one side are respectively fixed with a limiting rod 113, the middle of the lifting plate 52 on the same side as the limiting rod 113 is fixed with a connecting rod base 118, the other middle is fixed with a pawl mounting bracket 53, the limiting rod 113 is inserted into the limiting hole of the mounting disc 49, the end of the pawl 54 is fixed in the pawl mounting bracket 53, the movable jaw 55 is rotatably installed on the upper part of the pawl 54, the side end of the movable jaw 55 is hinged with the lever end of the second connecting rod 56, the other end of the second connecting rod 56 is connected with the thrust rod 57,One end of the thrust rod 57 is slidably installed 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 installed in the tension rod mounting frame 111, the thrust rod sliding frame 58 is fixedly installed on the first rotating shaft 38, the center points of the two small arcs of the thrust rod sliding frame 58 are 160° apart, the other small arc is directly opposite to the ground, and one small arc is obliquely opposite to the material conveying mechanism.

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

[0021] The root stub 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 both arranged below the rear platform 14 of the frame 1, the second battery 74 is connected with the fifth controller 75, the fifth motor 76 and the sixth motor 94 through wires respectively, the fifth controller 75 is connected with the fifth motor 76 and the sixth motor 94 through wires respectively, the power output shaft of the fifth motor 76 is fixedly connected with one end of the ninth rotating shaft 77, the other end of the ninth rotating shaft 77 is fixedly connected with the sixth cylindrical gear 115, the middle part of the ninth rotating shaft 77 is fixedly connected with the eighth bevel gear 78, the eighth bevel gear 78 is engaged with the ninth bevel gear 79, one end of the tenth rotating shaft 80 is fixedly connected with the ninth bevel gear 79, the middle part of the tenth rotating shaft 80 is provided with the third annular protrusion 112, the third annular protrusion 112 is rotatably arranged at 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 connected with the first helical gear 81, the first helical gear 81 is engaged with the second helical gear 82, the end of the eleventh rotating shaft 83 is fixedly connected with the second helical gear 82, the middle and lower part of the eleventh rotating shaft 83 is provided with the 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 arranged at the lower end of the second annular protrusion 90, the thrust rack 85 is symmetrically fixedly arranged on both sides of the thrust rack mounting shaft 84, the thrust rack 85 is engaged with the thrust half gear 86, one end of the twelfth rotating shaft 87 is fixedly connected with the thrust half gear 86, the other end of the twelfth rotating shaft 87 is rotatably arranged in the third gear box 89, the middle part of the twelfth rotating shaft 87 is fixedly connected with the fifth cylindrical gear 88, the fifth cylindrical gear 88 is engaged with the sixth cylindrical gear 115; the second motor mounting frame 96 is fixedly connected with the third gear box 89, the sixth motor 94 is fixedly connected with the second motor mounting frame 96, the power output shaft of the sixth motor 94 is fixedly connected with the fifth pulley 117, the fifth pulley 117 is connected with the integrated fan shaft 92 through the third transmission belt 93, 48 fan blades with an angle of 30° with the axis are fixedly arranged on the upper part of the integrated fan shaft 92 at equal angles, the integrated fan shaft 92 is rotatably inserted into the eleventh rotating shaft 83, the eleventh rotating shaft 83 is fixedly connected with the double taper shaft 97, two groups of the first inner cutting knife 98, the second inner cutting knife 99 and the third inner cutting knife 100 are symmetrically and equidistantly fixedly arranged on the double taper shaft 97, the rectangular end of the crushing shell fixing frame 107 is fixedly arranged on the rear platform 14 of the frame 1, the crushing shell 101 is fixedly arranged on the inner side of the other end of the crushing shell fixing frame 107, the collecting port 106 is fixedly arranged above the crushing shell 101, two crushing shells 101 are symmetrically fixedly arranged, the first outer cutting knife 102, the second outer cutting knife 103 and the third outer cutting knife 104 are equidistantly fixedly arranged 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, the inner cutting knife is a moving knife, and the moving knife cooperates with the fixed knife to form a support cutting.The lower part of the crushing shell 101 is fixed to the upper end of the blower shell 110, and the lower end of the blower shell 110 is fixed with the material throwing bridge 109, the lower end of the material throwing bridge 109 is provided with a shaft hole, the material throwing bridge 109 is inserted and fixed on the eleventh rotating shaft 83 through the shaft hole, one end of the third gear box mounting frame 108 is fixed below the rear platform 14 of the machine frame 1, and the other end of the third gear box mounting frame 108 is fixed on one side of the third gear box 89.

[0022] When working, the tractor drives the implement to advance, and the flushing type soil breaking mechanism, the root stubble collecting mechanism, the conveying mechanism and the root stubble breaking mechanism are located above the root stubble, and the four legs of the implement travel in the ridge ditch; the first battery 7 supplies power to the first motor 9 and the first controller 8 through wires, the first controller 8 controls the rotation of the first motor 9 through wires, the first motor 9 drives the first bevel gear 10 to rotate, the first bevel gear 10 drives the second bevel gear 11 to rotate through gear meshing, the second bevel gear 11 drives the rotating rear shell 12 to rotate, the rotating rear shell 12 drives the rotating front shell 21 to rotate, the rotating front shell 21 drives the three groups of water gun bases 20 arranged eccentrically to rotate around the axis of the rotating front shell 21, and the water gun bases 20 drive the water guns 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 wires, the second controller 22 controls the rotation of the second motor 23 through wires, the second motor 23 drives the first cylindrical gear 25 to rotate through the coupling 24, the first cylindrical gear 25 drives the second cylindrical gear 26 to rotate through gear meshing, the first cylindrical gear 25 and the second cylindrical gear 26 mesh to pressurize and draw liquid out of the water tank 32, the liquid is drawn into the liquid pump through the third liquid delivery pipe 30 from the liquid inlet of the liquid pump rear shell 27, and then pumped out of 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 intermediate platform 91, and then is distributed into the first liquid delivery pipe 17 through the liquid distribution pipe 6, enters the water gun 19 through the second liquid delivery pipe 18, and is finally sprayed out at high speed through the water gun 19, thereby realizing the rotation of the flushing device to flush the root stubble and the surrounding soil, realizing the separation of the soil from the surface of the root stubble, flushing and softening the soil around the root stubble, making the soil in a state of thin mud, reducing the disturbance of the implement to the soil as a whole, and reducing the energy consumption required for the root stubble collecting device to grab the root stubble;The first battery 7 supplies power to the third controller 63 and the third motor 33 through wires, the third controller 63 controls the third motor 33 to rotate through 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 installation disc 49, the tension rod mounting frame 111 and the third bevel gear 39 to rotate, the third bevel gear 39 meshes with the fourth bevel gear 40, the fourth bevel gear 40 meshes with the fifth bevel gear 41, the third bevel gear 39 drives the fifth bevel gear 41 to rotate through gear meshing, the fifth bevel gear 41 drives the third rotating shaft 42 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 reciprocating motion perpendicular to the installation disc 49 through the first connecting rod 51, the installation disc 49 drives the lifting plate 52 to rotate through the limiting rod 113, 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 sliding groove of the thrust rod sliding frame 58 through rotation, the tension rod fixing sleeve 116 makes the thrust rod 57 always adhere to one side of the thrust rod sliding frame 58 through spring stretching, and makes one end of the second connecting rod 56 slide along the thrust rod 57 perpendicular to the installation 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 drives the second connecting rod 56 through the lever principle to make the movable claw 55 cooperate with the fixed claw 54, so that the movable claw and the fixed claw cooperate with each other to grab or release the stubble, when the thrust rod 57 moves along the sliding groove of the large arc, the movable claw and the fixed claw close to grab, when the thrust rod 57 moves along the sliding grooves of the two small arcs, the movable claw and the fixed claw are released, and when the thrust rod 57 is on the small arc on the ground side, the lifting plate 52 is at the near point of the installation disc 49, the movable claw digs first and then grabs the stubble, when the thrust rod 57 is on the small arc on the side of the conveying mechanism, the lifting plate 52 is at the far point of the installation disc 49, the movable claw releases and throws out the stubble, so that the movable claw and the fixed claw periodically open and close, and then realize the effect that the movable claw digs first and then grabs the stubble when touching the soil, and releases and throws out the stubble when reaching the high point on the side of the conveying mechanism;The first battery 7 supplies power to the fourth controller 64 and the fourth motor 65 through wires, the fourth controller 64 controls the fourth motor 65 to rotate through 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 rotating shaft 70 to rotate, the seventh rotating 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, and the second roller 72 drives the eighth rotating 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 94 through wires, the fifth controller 75 controls the fifth motor 76 and the sixth motor 94 to rotate through 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 helical gear 81 to rotate, the first helical gear 81 drives the second helical gear 82 to rotate through gear meshing, the second helical gear 82 drives the eleventh rotating shaft 83 to rotate, and the eleventh rotating shaft 83 drives the double taper shaft 97 to rotate; the ninth rotating shaft 77 drives the sixth cylindrical gear 115 to rotate, the sixth cylindrical gear 115 drives the fifth cylindrical gear 88 on both sides 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 move linearly in a vertical plane through gear meshing, and the two thrust half gears 86 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 taper shaft 97 to reciprocate, thereby realizing the rotary cutting of the moving knife set of the double taper shaft 97 and the fixed knife set of the crushing shell 101, and each moving knife of the double taper shaft 97 can reciprocate between two adjacent fixed knives of the crushing shell 101, realizing the extrusion and cutting of the moving and fixed knives, improving the stubble crushing quality, and facilitating the downward sliding of the stubble under the action of gravity; the sixth motor 94 drives the fifth pulley 117 to rotate, the fifth pulley 117 drives the integrated fan shaft 92 to rotate through the third transmission 93, thereby realizing the suction of the stubble fragments into the material throwing bridge 109 by the integrated fan shaft 92, and finally the stubble fragments are thrown to both sides of the forward direction of the tool by the material throwing bridge 109 and fall into the ridge ditch, thereby forming a kind of flushing type crop stubble efficient crushing and returning device.

[0023] It has to be noted that, as used herein, such terms as "including", "contains" or any other variations thereof are intended to cover a non-exclusive inclusion, such that processes, methods, articles, or apparatuses that comprise a list of elements are not required to comprise only those elements recited, but can also include other elements not expressly listed or inherent to such processes, methods, articles, or apparatuses.

[0024] While embodiments of the application have been shown and described, it is to be understood that the application is not limited to the details of the embodiments described, since numerous modifications and changes can be made to the embodiments without departing from the spirit and scope of the application as defined by the appended claims and their equivalents.

Claims

1. A flushing type crop stubble efficient crushing and returning device, characterized by: The device comprises a frame (1), a first suspension frame (2) and a second suspension frame (3) are arranged at the upper front end of the frame (1), a field wheel (5) is rotatably arranged on the lower four feet of the frame through an axle (4), and a flushing type soil breaking mechanism, a root stubble collecting mechanism, a conveying mechanism and a root stubble crushing mechanism are sequentially arranged from front to back at the lower part of the frame (1). The root stub crushing mechanism is located at the rear lower end of the frame (1), the second battery (74) and the fifth controller (75) are both arranged below the rear platform (14) of the frame (1), the second battery (74) is connected with the fifth controller (75), the fifth motor (76) and the sixth motor (94) through wires respectively, the fifth controller (75) is connected with the fifth motor (76) and the sixth motor (94) through wires respectively, the power output shaft of the fifth motor (76) is fixedly connected with one end of the ninth rotating shaft (77), the other end of the ninth rotating shaft (77) is fixedly connected with the sixth cylindrical gear (115), the middle part of the ninth rotating shaft (77) is fixedly connected with the eighth bevel gear (78), the eighth bevel gear (78) is meshed with the ninth bevel gear (79), one end of the tenth rotating shaft (80) is fixedly connected with the ninth bevel gear (79), the middle part of the tenth rotating shaft (80) is provided with the third annular protrusion (112), the third annular protrusion (112) is rotatably arranged at 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 connected with the first helical gear (81), the first helical gear (81) is meshed with the second helical gear (82), the second helical gear (82) is fixedly connected with the end of the eleventh rotating shaft (83), the middle lower part of the eleventh rotating shaft (83) is provided with the 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 arranged at the lower end of the second annular protrusion (90), the thrust rack (85) is symmetrically fixedly connected with the two sides of the thrust rack mounting shaft (84), the thrust rack (85) is meshed with the thrust half gear (86), the thrust half gear (86) is fixedly connected with one end of the twelfth rotating shaft (87), the other end of the twelfth rotating shaft (87) is rotatably arranged in the third gear box (89), the middle part of the twelfth rotating shaft (87) is fixedly connected with the 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 fixed on the third gear box (89), the sixth motor (94) is fixed on the second motor mounting frame (96), the power output shaft of the sixth motor (94) is fixed with the fifth belt pulley (117), the fifth belt pulley (117) is connected with the integrated fan shaft (92) through the third transmission belt (93), the upper part of the integrated fan shaft (92) is fixed with 48 fan blades at equal angles, the angle between the fan blades and the axis is 30°, the integrated fan shaft (92) is rotatably inserted into the eleventh rotating shaft (83), the eleventh rotating shaft (83) is fixed with the double taper shaft (97), the double taper shaft (97) is fixed with two groups of first inner cutting knives (98), second inner cutting knives (99) and third inner cutting knives (100) symmetrically and equidistantly, the crushing shell fixing frame (107) is fixed on the rear platform (14) of the rack (1), the crushing shell (101) is fixed on the other end of the crushing shell fixing frame (107), the crushing shell (101) is fixed with the material collecting port (106), two crushing shells (101) are fixed symmetrically, the first outer cutting knife (102), the second outer cutting knife (103) and the third outer cutting knife (104) are fixed 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, the inner cutting knife is a moving knife, and the moving knife cooperates with the fixed knife to form a support cutting; the lower part of the crushing shell (101) is fixed on the upper end of the fan shell (110), the lower end of the fan shell (110) is fixed with the material throwing bridge (109), the lower end of the material throwing bridge (109) is provided with a shaft hole, the material throwing bridge (109) is inserted into the eleventh rotating shaft (83) through the shaft hole, one end of the third gear box mounting frame (108) is fixed below the rear platform (14) of the rack (1), the other end of the third gear box mounting frame (108) is fixed on one side of the third gear box (89).

2. The high-efficiency root and stubble breaking and returning device for crops according to claim 1, characterized in that: The flushing type soil breaking mechanism is fixed at the front end of the lower part of the frame (1), the first battery (7) is fixed 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 fixed on the lower part of the middle platform (91), the first battery (7) is connected with the first motor (9) and the first controller (8) through wires, the first controller (8) is connected with the first motor (9) through wires, the first bevel gear (10) is fixed on the power output shaft of the first motor (9), the first bevel gear (10) is engaged with the second bevel gear (11), the second bevel gear (11) is fixed on the upper end of the rotating rear shell (12), the lower end of the rotating rear shell (12) is fixed with the distribution pipe (6) concentrically, the distribution pipe (6) is provided with three pipe holes at equal angles, one end of each first liquid delivery pipe (17) is fixed with one pipe hole, the rotating front shell (21) is provided with three pipe holes at equal angles, one end of the second liquid delivery pipe (18) is fixed with the other end of the first liquid delivery pipe (17) through the pipe hole, the other end of the second liquid delivery pipe (18) is connected with the water gun (19), the water gun (19) is hinged with the water gun base (20), the water gun base (20) is fixed on the bottom of the rotating front shell (21), the rotating front shell (21) is fixed on the rotating rear shell (12) concentrically, the rotating rear shell (12) is sleeved on the water delivery fixed shaft (13), the end of the rotating rear shell (12) is rotatably installed on the first annular protrusion (15) of the water delivery fixed shaft (13), the sealing element (16) is clamped between the distribution pipe (6) and the water delivery fixed shaft (13), the water delivery fixed shaft (13) is fixed on the lower part of the middle platform (91); the second controller (22), the first motor mounting frame (29), the liquid pump rear shell (27) and the water tank (32) are fixed on the upper part of the middle platform (91), the second motor (23) is fixed on the first motor mounting frame (29), the first battery (7) is connected with the second controller (22) and the second motor (23) through wires, the second controller (22) is connected with the second motor (23) through wires, the liquid pump rear shell (27) is provided with a gear shaft on the upper part and a motor shaft hole on the lower part, the first cylindrical gear (25) is fixed on the power output shaft of the second motor (23) through the coupling (24), the second cylindrical gear (26) is engaged with the first cylindrical gear (25), the second cylindrical gear (26) is rotatably installed on the gear shaft of the liquid pump rear shell (27), the liquid pump front shell (28) is fixed on the liquid pump rear shell (27), the rotation space of the first cylindrical gear (25) and the second cylindrical gear (26) is sealed, one end of the third liquid delivery pipe (30) is connected with the water tank (32), the other end of the third liquid delivery pipe (30) is connected with the liquid inlet of the liquid pump rear shell (27), one end of the fourth liquid delivery pipe (31) is connected with the liquid outlet of the liquid pump rear shell (27), the other end of the fourth liquid delivery pipe (31) is connected with the water delivery fixed shaft (13) through the pipe hole.

3. The high-efficiency root and stubble breaking and returning device for crops according to claim 1, characterized in that: The root stub 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 fixed to the upper part of the middle platform (91) of the frame (1), the first battery (7) is connected with the third controller (63) and the third motor (33) through wires respectively, the third controller (63) is connected with the third motor (33) through wires, the power output shaft of the third motor (33) is fixed with the first pulley (34), the first pulley (34) is connected with the second pulley (36) through the first transmission belt (35), the second pulley (36) is fixed to one end of the second rotating shaft (37), the second rotating shaft (37) is rotatably installed on the frame (1) through the shaft hole in the lower end of the frame (1), the other end of the second rotating shaft (37) is fixed with the tension rod mounting bracket (111), the hollow second rotating shaft (37) is concentrically sleeved on the first rotating shaft (38), the middle part of the second rotating shaft (37) is fixed with the mounting disc (49), one end of the first rotating shaft (38) is fixed to the frame (1), the third bevel gear (39) is fixed to the second rotating shaft (37), the third bevel gear (39) is engaged with the fourth bevel gear (40), the fourth bevel gear (40) is engaged with the fifth bevel gear (41), the fourth bevel gear (40) is fixed to one end of the sixth rotating shaft (59), the other end of the sixth rotating shaft (59) is rotatably installed on the first gear box (60), one end of the one-two gear box mounting bracket (61) is fixed to the first gear box (60), the other end of the one-two gear box mounting bracket (61) is fixed to the second gear box (62), one end of the first gear box mounting bracket (114) is fixed with the first gear box (60), the other end of the first gear box mounting bracket (114) is fixed to the lower part of the middle platform (91) of the frame (1), the hollow third rotating shaft (42) is inserted into the second rotating shaft (37), one end of the third rotating shaft (42) is fixed with the fifth bevel gear (41), the other end of the third rotating shaft (42) is fixed with the third cylindrical gear (43), the third cylindrical gear (43) is engaged with the fourth cylindrical gear (44), the fourth cylindrical gear (44) is fixed to the middle part of the fourth rotating shaft (45), one end of the fourth rotating shaft (45) is fixed with the sixth bevel gear (46), the other end of the fourth rotating shaft (45) is rotatably installed on the second gear box (62), the sixth bevel gear (46) is engaged with the seventh bevel gear (47), the seventh bevel gear (47) is fixed to one end of the fifth rotating shaft (48) concentrically, 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 the first cylindrical protrusion (50), the first cylindrical protrusion (50) is hinged with one end of the first connecting rod (51), the other end of the first connecting rod (51) is hinged with the connecting shaft (119), the connecting shaft (119) is fixed to the end face of the connecting rod base (118), the mounting disc (49) is provided with three groups of limiting holes at equal angles in the circumference, each group is provided with two limiting holes, the lifting plate (52) is fixed with a limiting rod (113) at each end of the radial side,The middle of the lifting plate (52) on the same side of the limiting rod (113) is fixed with a connecting rod base (118), and the other side is fixed with a pawl mounting rack (53). The limiting rod (113) is inserted into the limiting hole of the mounting disc (49), the pawl (54) is fixed at the end of the pawl mounting rack (53), the movable pawl (55) is rotatably mounted on the upper part of the pawl (54), the side end of the movable pawl (55) is hingedly connected with the lever end of the second connecting rod (56), the other end of the second connecting rod (56) is connected with the thrust rod (57), one end of the thrust rod (57) is slidably mounted in the guide rail of the thrust rod sliding rack (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 fixed in the tension rod mounting rack (111), the thrust rod sliding rack (58) is fixed on the first rotating shaft (38), the center points of the two small arcs of the thrust rod sliding rack (58) form an angle of 160°, the other small arc is directly opposite to the ground, and one small arc is obliquely opposite to the conveying mechanism.

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

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