CN211792772U - Combined operation machine for fertilizing and rotary tillage - Google Patents

Abstract

The utility model discloses a fertilizing rotary tillage composite operation machine in the technical field of agricultural machinery, which comprises a frame, wherein a first rotary blade shaft is rotatably connected on the frame, a plurality of first rotary blades are distributed on the first rotary blade shaft, a second rotary blade shaft is rotatably connected on the frame at the rear part of a rotating shaft, a plurality of second rotary blades are distributed on the second rotary blade shaft, a suspension frame is arranged at the front part of the frame, fertilizing boxes are respectively and fixedly connected on the frame at the left side and the right side of the suspension frame, a plurality of fertilizer falling ports are arranged on the fertilizing boxes, a fertilizer inlet and a fertilizer falling port of each electric fertilizer applicator are communicated, a fertilizer guide plate is fixedly connected at the lower part of the electric fertilizer applicator, fertilizer discharged from the electric fertilizer applicator falls onto the fertilizer guide plate, a rotating shaft which can be lifted and rotated is connected on the frame at the rear part of the first rotary blade shaft, helical blades are arranged on the rotating shaft, and cover the position, the rotating shaft is arranged between the first rotary blade shaft and the second rotary blade shaft; the utility model discloses soil volume and fertilization volume in the balanced rotary tillage region.

Description

Combined operation machine for fertilizing and rotary tillage

Technical Field

The utility model relates to an agricultural machine device, in particular to a compound workover rig of fertilization rotary tillage.

Background

The rotary cultivator is a very common agricultural machine used in the agricultural production at present, and the field is used for rotary tillage operation. Among the prior art, the rotary cultivator includes the frame, rotationally be connected with first rotary blade axle in the frame, a plurality of first rotary blade of having arranged on the first rotary blade axle, rotationally be connected with second rotary blade axle in the frame at pivot rear, a plurality of second rotary blade of having arranged on the second rotary blade axle, the front portion of frame is equipped with the mounted frame, the mounted frame is connected with the tractor liftable, in operation, first rotary blade axle and second rotary blade axle rotate, first rotary blade rotary tillage field, second rotary blade carries out the secondary rotary tillage on the basis of first rotary blade rotary tillage, in this process, the frame inclines very easily, in the left and right directions, the volume of soil that the rotary tillage region corresponds is uneven, be unfavorable for the land leveling work in later stage, more importantly, the rotary blade atress is more uneven.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to overcome the defect among the prior art, provide a compound workover rig of rotary tillage of fertilizies, solve the unbalanced technical problem of rotary blade atress among the prior art, the utility model discloses soil volume and fertilization volume in the balanced rotary tillage region improve the equilibrium of rotary blade atress.

The purpose of the utility model is realized like this: a fertilizing and rotary tillage combined operation machine comprises a frame, wherein a first rotary blade shaft is rotatably connected to the frame, a plurality of first rotary blades are distributed on the first rotary blade shaft, a second rotary blade shaft is rotatably connected to the frame at the rear of the first rotary blade shaft, a plurality of second rotary blades are distributed on the second rotary blade shaft, a suspension frame is arranged at the front part of the frame, fertilizing boxes are respectively and fixedly connected to the frame at the left side and the right side of the suspension frame, a plurality of electric fertilizer applicators are distributed at the lower side of the fertilizing boxes, a plurality of fertilizer falling ports are formed in each fertilizing box, a fertilizer inlet of each electric fertilizer applicator is communicated with the fertilizer falling ports, a fertilizer guide plate is fixedly connected to the lower part of each electric fertilizer applicator, the fertilizer guide plate extends forwards and downwards, fertilizer discharged from the electric fertilizer applicators falls onto the fertilizer guide plate, the fertilizer falling onto the front of the frame, a rotary shaft capable of lifting is connected to the frame at the rear of the first rotary blade shaft, the rotating shaft is provided with a helical blade, the helical blade covers the position of the first rotary blade in the length direction, and the rotating shaft is arranged between the first rotary blade shaft and the second rotary blade shaft in the front-back direction.

Before the utility model works, a proper amount of fertilizer is put into the fertilizing box, when the fertilizer is in work, the electric fertilizer applicator works, the fertilizer at the fertilizer falling port falls into the electric fertilizer applicator, the electric fertilizer applicator is provided with a fertilizer outlet, the fertilizer falls onto the fertilizer guide plate from the fertilizer outlet, the fertilizer falls onto the ground in front of the rotary cultivator along the fertilizer guide plate, the first rotary tillage cutter shaft and the second rotary tillage cutter shaft rotate, the first rotary tillage cutter and the second rotary tillage cutter cut the soil, meanwhile, fertilizers falling on the ground surface are rotarily tiltably planted in soil, the displacement of the left side and the right side of the rotating shaft in the height direction is adjusted through the inclination of the rack, the rotating direction of the rotating shaft is controlled, so that the spiral blades convey the soil at the downward inclined end to the upward inclined end, the soil amount and the fertilizer application amount in a rotary tillage area are kept balanced as much as possible, the soil amount cut by the second rotary blades is basically the same, the stress of each second rotary blade is balanced, and the service life is prolonged; can be applied to fertilization and rotary tillage operation, and is particularly suitable for dry fields.

In order to further realize the adjustment of the levelness of the rotating shaft, a first connecting frame and a second connecting frame are respectively and fixedly connected with the two sides of the machine frame in the left-right direction, a first linear driver is connected on the first connecting frame, the first linear driver is connected with a first lifting rod which can do reciprocating linear movement in the height direction and extends downwards, one end of the first lifting rod, which extends downwards, is connected with a first connecting seat, the outer side of the first connecting seat is fixedly connected with a driving motor, the rotating shaft is connected with an output shaft of the driving motor, the second connecting frame is connected with a second linear driver, the second linear driver is connected with a second lifting rod which can do reciprocating linear movement in the height direction and extends downwards, one end of the lifting rod II, which extends downwards, is connected with a connecting seat II, one end of the rotating shaft, which is far away from the connecting seat I, is rotatably connected to the connecting seat II, and a gyroscope I is arranged on the upper side of the rack; in the design, the first connecting frame is arranged at the right side of the frame, the second connecting frame is arranged at the left side of the frame, in an initial state, the upper side of the frame is horizontal in the left-right direction, the rotating shaft is in a horizontal state, the rotary cultivator can incline in the left-right direction in the advancing process, the first gyroscope is used for detecting the levelness of the frame and is mainly used for detecting whether the frame is horizontal in the left-right direction or not, for example, when the frame inclines to the right, the first linear driver and the second linear driver are controlled to act, according to the displacement of the first lifting rod and the second lifting rod in the height direction, which is detected by the first gyroscope, the first lifting rod retracts upwards relative to the second lifting rod, so that the rotating shaft is horizontal, the helical blades are in contact with the ground, the action direction of the driving motor is controlled, the helical blades convey the soil on the right side to the left side, the cutting resistance of each second rotary blade is balanced, and meanwhile, the soil amount in a rotary tillage area is kept balanced.

As a further improvement, one side of the first connecting seat that outwards faces is provided with a first engaging lug, one end of the first lifting rod that downwards extends out is connected with the first engaging lug, the first engaging lug is connected with a first pull wire, one side of the second connecting seat that outwards faces is provided with a second engaging lug, and the second connecting seat is connected with a second pull wire.

In order to further balance the cutting resistance of the second rotary blade, a first guide frame and a second guide frame are fixedly connected to the upper side of the machine frame, a first pull rod matched with the first pull wire is slidably connected to the first guide frame, the first pull rod is connected with the first pull wire, a first adjusting rod is fixedly connected to one end of the first pull rod, which is far away from the first pull wire, a first guide hole is formed in the first guide frame, the adjusting rod is slidably connected to the first guide frame through the first guide hole, a first connecting plate is arranged at one end, facing outwards, of the first adjusting rod, the second guide frame is slidably connected with a second pull rod matched with the second pull wire, the second pull rod is connected with the second pull wire, a second adjusting rod is fixedly connected to one end, which is far away from the second pull wire, of the second adjusting rod, a second guide hole is formed in the second guide frame, the second adjusting rod is slidably connected to the second guide frame, a plurality of soil retaining plates are distributed on the adjusting shaft, and one ends of the soil retaining plates, which are far away from the adjusting shaft, are hinged on the rack; in this design, when the second lifting rod descends, the second lifting rod drives the second stay wire to descend, the second stay wire pulls the pull rod to move leftwards, the soil retaining plate inclines leftwards, and the soil thrown upwards by the first rotary blade and the second rotary blade falls to the left side of the soil retaining plate under the action of the soil retaining plate, so that the soil amount in the rotary tillage area is further balanced.

In order to further realize levelness adjustment of the leveling plate, a horizontal adjusting cylinder is fixedly connected to the upper side of the rear portion of the rack, the horizontal adjusting cylinder is arranged by deviating from the center of the rack in the length direction, a horizontal cross beam is arranged behind the rack, a supporting plate which extends backwards and downwards in an inclined mode is arranged on one backward side of the horizontal cross beam, the leveling plate is arranged on one backward side of the lower portion of the supporting plate, a fixed seat is fixedly connected to the upper side of the horizontal cross beam, a telescopic rod which extends upwards and can perform reciprocating linear movement in the height direction is connected to the horizontal adjusting cylinder, a connecting rod which extends backwards is arranged at the end portion, extending upwards, of the telescopic rod, an adjusting column is connected to one backward end of the connecting rod, and the; a second gyroscope is arranged on the horizontal cross beam; in the design, the second gyroscope is used for detecting the levelness of the horizontal beam, mainly detecting the levelness of the horizontal beam in the left and right directions, controlling the action of the horizontal adjusting cylinder, enabling the telescopic rod to move upwards or downwards, enabling the horizontal beam to keep balance in the left and right directions, and enabling the leveling plate to keep horizontal to compact the soil.

For further suppression levelling plate, still include two sets of suppression subassemblies, the suppression subassembly includes two suppression clamp plates, is connected with the air spring between two suppression clamp plates, the tip that the piston rod on the air spring stretches out downwards is articulated with the levelling plate.

As a further improvement of the utility model, the left and right sides of the fertilizer guide plate are provided with fertilizer protection plates.

Drawings

Fig. 1 is a front view of the present invention.

Fig. 2 is a first perspective view of the present invention.

Fig. 3 is a partially enlarged view of a portion a in fig. 2.

Fig. 4 is a second perspective view of the present invention.

Fig. 5 is a partially enlarged view of B in fig. 4.

Fig. 6 is a three-dimensional structure diagram of the present invention.

Fig. 7 is a partial enlarged view at C in fig. 6.

Fig. 8 is a three-dimensional structure view of the utility model with the cover plate and the fertilizing box hidden.

Fig. 9 is a partial enlarged view of fig. 8 at D.

Fig. 10 is a partial enlarged view at E in fig. 8.

Fig. 11 is a partial enlarged view of fig. 1 at F.

Fig. 12 is a partial enlarged view at G in fig. 11.

Wherein, 1 a first rotary blade shaft, 2 a first rotary blade, 3 a second rotary blade shaft, 4 a driving motor, 401 an output shaft, 5 a frame, 6 a second gyroscope, 7 a first gyroscope, 8 a first connecting lug, 9 a first lifting rod, 10 a first pull wire, 11 a first connecting frame, 12 a first reinforcing plate, 13 a first connecting frame, 14 a first pull rod, 15 a first guiding frame, 16 a first adjusting rod, 17 a pressing component, 1701 a pressing plate, 1702, 1703 a piston rod, 18 a horizontal beam, 19 a leveling plate, 20 a fixed seat, 21 a connecting rod, 22 a telescopic rod, 23 an adjusting column, 24 a horizontal adjusting cylinder, 25 a second connecting frame, 26 a second pulling wire, 27 a second reinforcing plate, 28 a second connecting frame, 29 a second linear driver, 30 a second lifting rod, 31 a second connecting lug, 32 a rotating shaft, 33 a spiral blade, 34 a second rotary blade, 35 a limit driving column, 36 a connecting groove, 37 a first fixing lug, 38 a retaining plate, 39 a first guiding hole, 40 an adjusting shaft, the first 41 connecting plate, the second 42 fixing lug, the second 43 adjusting rod, the second 44 guide frame, the second 45 pull rod, the second 46 connecting plate, the cover plate 47, the 48 fertilizing box, the 49 electric fertilizing device, the 50 fertilizer dropping opening, the 51 fertilizer guiding plate, the 52 fertilizer protecting plate, the 53 suspension bracket and the first 54 linear driver.

Detailed Description

A combined fertilizing and rotary cultivating machine as shown in fig. 1-12, comprising a frame 5, a first rotary cultivating blade shaft 1 rotatably connected to the frame 5, a plurality of first rotary cultivating blades 2 arranged on the first rotary cultivating blade shaft 1, a second rotary cultivating blade shaft 3 rotatably connected to the frame 5 behind the first rotary cultivating blade shaft 1, a plurality of second rotary cultivating blades 34 arranged on the second rotary cultivating blade shaft 3, a lowest position of a rotation circumference of the second rotary cultivating blades 34 being not higher than a lowest position of a rotation circumference of the first rotary cultivating blades 2, a cultivating region of the second rotary cultivating blades 34 covering a rotary cultivating region of the first rotary cultivating blades 2 in a length direction, a suspension frame 53 provided on a front portion of the frame 5, fertilizing boxes 48 fixedly connected to the frame 5 on left and right sides of the suspension frame 53, a plurality of electric fertilizing devices 49 arranged on a lower side of the fertilizing boxes 48, a plurality of fertilizer falling ports 50 provided on the fertilizing boxes 48, a fertilizer inlet port of each electric fertilizing device 49 being communicated with the fertilizer falling port 50, a fertilizer guide plate 51 is fixedly connected to the lower part of the electric fertilizer applicator 49, the fertilizer guide plate 51 extends forwards and downwards, fertilizer discharged from the electric fertilizer applicator 49 falls onto the fertilizer guide plate 51, the fertilizer falling onto the fertilizer guide plate 51 falls in front of the frame 5, fertilizer protection plates 52 are arranged on the left side and the right side of the fertilizer guide plate 51, a rotating shaft 32 which can be lifted and rotated is connected to the frame 5 behind the first rotary blade shaft 1, a spiral blade 33 is arranged on the rotating shaft 32, the position of the first rotary blade 2 is covered by the spiral blade 33 in the length direction, and the rotating shaft 32 is arranged between the first rotary blade shaft 1 and the second rotary blade shaft 3 in the front-rear direction; in order to further realize the levelness adjustment of the rotating shaft 32, two sides of the rack 5 in the left and right direction are respectively and fixedly connected with a first connecting frame 11 and a second connecting frame 28, the first connecting frame 11 is connected with a first linear driver 54, the first linear driver 54 is connected with a first lifting rod 9 which can reciprocate in the height direction and extends downwards, one end of the first lifting rod 9 extending downwards is connected with a first connecting seat 13, the outer side of the first connecting seat 13 is fixedly connected with a driving motor 4, the rotating shaft 32 is connected with an output shaft 401 of the driving motor 4, the second connecting frame 28 is connected with a second linear driver 29, the second linear driver 29 is connected with a second lifting rod 30 which can reciprocate in the height direction and extends downwards, one end of the second lifting rod 30 extending downwards is connected with a second connecting seat 25, one end of the rotating shaft 32 far away from the first connecting seat 13 is rotatably connected with the second connecting seat 25, the upper side of the frame 5 is provided with a first gyroscope 7.

In order to further balance the soil amount in the rotary tillage area, a first connecting lug 8 is arranged on one outward side of a first connecting seat 13, one end, extending downwards, of a first lifting rod 9 is connected with the first connecting lug 8, a first pull wire 10 is further connected onto the first connecting lug 8, a first reinforcing plate 12 is fixedly connected onto a first connecting frame 11, the upper portion of the first pull wire 10 is connected with the first reinforcing plate 12, a second connecting lug 31 is arranged on one outward side of a second connecting seat 25, a second pull wire 26 is further connected onto the second connecting lug, a second reinforcing plate 27 is fixedly connected onto a second connecting frame 28, and the upper portion of the second pull wire 26 is connected with the second reinforcing plate 27; the upper side of the frame 5 is fixedly connected with a first guide frame 15 and a second guide frame 44, the first guide frame 15 is slidably connected with a first pull rod 14 matched with the first pull wire 10, the first pull rod 14 is connected with the first pull wire 10, one end of the first pull rod 14, which is far away from the first pull wire 10, is fixedly connected with a first fixing lug 37, the first fixing lug 37 is connected with a first adjusting rod 16, the first guide frame 15 is provided with a first guide hole 39, the first adjusting rod 16 is slidably connected with the first guide frame 15 through the first guide hole 39, one end, which is far away from the second pull wire 26, of the first adjusting rod 16, is provided with a first connecting plate 41, the second guide frame 44 is slidably connected with a second pull rod 45 matched with the second pull wire 26, the second pull rod 45 is connected with the second pull wire 26, one end, which is far away from the second pull wire 26, of the second pull rod 45 is fixedly connected with a second fixing lug 42, the second fixing lug 42, the one end of adjusting pole two 43 towards the outside is equipped with connecting plate two 46, be connected with regulating shaft 40 between connecting plate one 41 and the connecting plate two 46, a plurality of fender boards 38 have been arranged on the regulating shaft 40, be equipped with the apron 47 on the frame 5, fender board 38 is in the below of apron 47, all be equipped with spacing drive column 35 on the regulating shaft 40 of the fender board 38 left and right sides, it has spread groove 36 to open on the fender board 38, fender board 38 hangs on regulating shaft 40 through spread groove 36, spacing drive column 35 limits the horizontal slip of fender board 38, the one end that keeps off board 38 and keeps away from regulating shaft 40 articulates on frame 5, the rotary tillage region when the fender board 38 upwards covers first rotary blade 2 and second rotary blade 34 rotary tillage in the front and back.

In order to further realize levelness adjustment of the leveling plate 19, the horizontal adjusting device further comprises two groups of press assemblies 17, a horizontal adjusting cylinder 24 is fixedly connected to the upper side of the rear portion of the rack 5, the horizontal adjusting cylinder 24 is arranged in a mode of deviating from the center of the rack 5 in the length direction, a horizontal cross beam 18 is arranged behind the rack 5, a supporting plate which extends backwards and downwards in an inclined mode is arranged on one backward side of the horizontal cross beam 18, the leveling plate 19 is arranged on one backward side of the lower portion of the supporting plate, a fixed seat 20 is fixedly connected to the upper side of the horizontal cross beam 18, a telescopic rod 22 which extends upwards and can perform reciprocating linear movement in the height direction is connected to the horizontal adjusting cylinder 24, a connecting rod 21 which extends backwards is arranged at the end portion, extending upwards, of the connecting rod 21, an adjusting column 23 is connected to; a second gyroscope 6 is arranged on the horizontal beam 18; the pressing assembly 17 comprises two pressing plates 1701, a gas spring 1702 is connected between the two pressing plates 1701, the downward extending end part of a piston rod 1703 on the gas spring 1702 is hinged with the flat plate 19, and the two groups of pressing assemblies 17 are symmetrically arranged about the center of the frame 5 in the left-right direction.

In this embodiment, three-way four-position proportional directional valves may be installed on the frame 5, and the three-way four-position proportional directional valves are respectively controlled to be switched on and off to control the oil inlet and outlet of the first linear actuator 54, the second linear actuator 29 and the horizontal adjusting cylinder 24; wherein, the preferred pneumatic cylinder that all is optimized to linear actuator one 54, linear actuator two 29 and horizontal adjustment jar 24, takes out the oil in the oil tank (vane pump and oil tank are usually installed on the running gear of traction rotary cultivator) through the vane pump, and when tee bend quadbit proportional reversing valve led to, there was the pole chamber that pressurized oil got into corresponding pneumatic cylinder, and the oil in the no pole chamber was returned to the oil tank through the tee bend quadbit proportional reversing valve that corresponds, above is prior art, in the utility model discloses do not give corresponding structure diagram, do not repeated herein again; the suspension bracket 53 is used for connecting a walking device (the walking device can be a walking device such as a tractor, and the connection between the suspension bracket 53 and the walking device is the prior art); in the initial state of the utility model, the upper sides of the frame 5 and the horizontal beam 18 are in the horizontal state, the rotating shaft 32 is in the horizontal state, and the soil retaining plate 38 is in the vertical state, when the utility model works, the first rotary blade shaft 1 and the second rotary blade shaft 3 rotate, the first rotary blade 2 and the second rotary blade 34 carry out rotary tillage on the field simultaneously, so that the soil is loosened, meanwhile, the first linear driver 54 and the second linear driver 29 act simultaneously, so that the rotating shaft 32 descends horizontally, when the lowest position of the helical blade 33 contacts with the soil, the first linear driver 54 and the second linear driver 29 stop acting, because the utility model is hung behind a tractor, the frame 5 is easy to incline in the left and right direction during the rotary tillage, for example, when the frame 5 inclines to the right, the depth of the soil entering of the first rotary blade 2 and the second rotary blade 34 on the left side is less than the depth of the soil entering of the first rotary blade 2 and the second rotary blade 34, in the rotary tillage area, the left soil amount is smaller than the right soil amount, the second linear driver 29 operates to lower the second lifting rod 30, the first linear driver 54 and the second linear driver 29 operate in opposite directions to raise the first lifting rod 9, the displacement amounts of the first lifting rod 9 and the second lifting rod 30 are controlled according to the inclination detected by the first gyroscope 7, so that the rotating shaft 32 is kept horizontal, the helical blade 33 is in contact with soil, the operating direction of the driving motor 4 is controlled, the helical blade 33 conveys the right soil to the left, meanwhile, the second lifting rod 30 drives the second stay wire 26 to descend, the second stay wire 26 pulls the pull rod to move to the left, the soil retaining plate 38 inclines to the left, the soil thrown upwards by the first rotary blade 2 and the second rotary blade 34 falls to the left side of the soil retaining plate 38 under the action of the soil retaining plate 38, the soil amount in the area is further balanced, and the cutting resistance of the second rotary blades 34 in the rotary tillage area is further balanced, meanwhile, the stress on the left and right directions of the frame 5 is balanced, so that the frame 5 is kept balanced as much as possible; if the frame 5 is inclined to the left, the working process is opposite to the above process; in addition, the second gyroscope 6 detects the levelness of the horizontal beam 18, mainly detects the levelness of the horizontal beam 18 in the left and right directions, controls the horizontal adjusting cylinder 24 to act, enables the telescopic rod 22 to move upwards or downwards, enables the horizontal beam 18 to keep balance in the left and right directions, keeps the leveling plate 19 horizontal to compact the soil, presses the leveling plate 19 by the air spring 1702, enables the leveling plate 19 to be attached to the ground all the time, and ensures the leveling effect; the utility model can balance the soil amount in the rotary tillage area, the cutting resistance of each second rotary blade 34 is balanced, the stress at the connecting position of the second rotary blade shaft 3 and the second rotary blade 34 is balanced, the rotary tillage operation is more reliable, and the service life of the utility model is prolonged; can be applied to rotary tillage operation.

The present invention is not limited to the above embodiments, and based on the technical solutions disclosed in the present invention, those skilled in the art can make some replacements and transformations for some technical features without creative labor according to the disclosed technical contents, and these replacements and transformations are all within the protection scope of the present invention.

Claims (7)

1. The utility model provides a compound workover rig of fertilization rotary tillage, includes the frame, rotationally be connected with first rotary blade axle in the frame, a plurality of first rotary blades of having arranged on the first rotary blade axle, rotationally be connected with second rotary blade axle in the frame at first rotary blade axle rear, a plurality of second rotary blades of having arranged on the second rotary blade axle, the front portion of frame is equipped with mounted frame, its characterized in that: the utility model discloses a rotary tillage machine, including mounted frame, suspension frame, fertilizer box, fertilizer inlet, fertilizer guide plate, fertilizer box, the frame of the mounted frame left and right sides is last fixedly connected with fertilization case respectively, a plurality of electronic fertilizer applicators of having arranged of fertilization case downside, it has a plurality of fertile mouths that fall to open on the fertilization case, the fertile mouth that advances of every electronic fertilizer applicator with fall fertile mouthful intercommunication, the lower part fixedly connected with of electronic fertilizer applicator leads the fertilizer plate, lead the fertilizer plate and stretch out forward and downwards, on the fertilizer that falls from electronic fertilizer applicator exhaust falls to leading the fertilizer plate, fall to the place ahead of leading the fertilizer on the fertilizer plate, be connected with liftable and rotatable pivot in the frame at first rotary tillage arbor rear, be equipped with helical blade in the pivot, in length direction, helical blade covers first rotary tillage sword position, in.

2. The combined fertilizing and rotary tillage machine as claimed in claim 1, wherein: the improved gyroscope comprises a rack, and is characterized in that the two sides of the rack in the left and right direction are respectively fixedly connected with a first connecting frame and a second connecting frame, a first linear driver is connected to the first connecting frame, a first lifting rod capable of performing reciprocating linear movement in the height direction and extending downwards is connected to the first linear driver, a first connecting seat is connected to one end of the first lifting rod extending downwards, a driving motor is fixedly connected to the outer side of the first connecting seat, a rotating shaft is connected with an output shaft of the driving motor, a second linear driver is connected to the second connecting frame, a second lifting rod capable of performing reciprocating linear movement in the height direction and extending downwards is connected to the second linear driver, a second connecting seat is connected to one end of the second lifting rod extending downwards, one end, far away from the first connecting seat, of the rotating shaft is rotatably connected to the second.

3. The combined fertilizing and rotary tillage machine as claimed in claim 2, wherein: the first connecting seat is provided with a first connecting lug on one outward side, one end of the lifting rod, which extends downwards, is connected with the first connecting lug, the first connecting lug is further connected with a first pull wire, the second connecting lug is arranged on one outward side of the second connecting seat, and the second connecting lug is further connected with a second pull wire.

4. The combined fertilizing and rotary tillage working machine as claimed in claim 3, wherein: the upper side of the rack is fixedly connected with a first guide frame and a second guide frame, the first guide frame is slidably connected with a first pull rod matched with a first pull wire, the first pull rod is connected with the first pull wire, one end of the first pull rod, which is far away from the first pull wire, is fixedly connected with a first adjusting rod, the first guide frame is provided with a first guide hole, the adjusting rod is slidably connected with the first guide frame through the first guide hole, one end of the first adjusting rod, which faces outwards, is provided with a first connecting plate, the second guide frame is slidably connected with a second pull rod, which is accompanied with the second pull wire, the second pull rod is connected with a second pull wire, one end of the second pull rod, which is far away from the second pull wire, is fixedly connected with a second adjusting rod, the second guide frame is provided with a second guide hole, the second adjusting rod is slidably connected with the second guide hole, one end, which faces outwards, one end of the soil retaining plate far away from the adjusting shaft is hinged on the frame.

5. The combined fertilizing and rotary tillage machine as claimed in any one of claims 1 to 4, wherein: a horizontal adjusting cylinder is fixedly connected to the upper side of the rear portion of the rack, the horizontal adjusting cylinder is arranged to deviate from the center of the rack in the length direction, a horizontal cross beam is arranged behind the rack, a supporting plate which extends backwards and downwards in an inclined mode is arranged on one backward side of the horizontal cross beam, a leveling plate is arranged on one backward side of the lower portion of the supporting plate, a fixing seat is fixedly connected to the upper side of the horizontal cross beam, a telescopic rod which extends upwards and can perform reciprocating linear movement in the height direction is connected to the horizontal adjusting cylinder, a connecting rod which extends backwards is arranged at the end portion, extending upwards, of the telescopic rod, an adjusting column is connected to one backward extending end of the connecting rod, and the downward; and a second gyroscope is arranged on the horizontal beam.

6. The combined fertilizing and rotary tillage working machine as claimed in claim 5, wherein: still include two sets of suppression subassemblies, the suppression subassembly includes two suppression clamp plates, is connected with the air spring between two suppression clamp plates, the tip that the piston rod on the air spring stretches out downwards is articulated with the leveling plate.

7. The combined fertilizing and rotary tillage machine as claimed in any one of claims 1 to 4, wherein: and the left side and the right side of the fertilizer guide plate are provided with fertilizer protection plates.

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