CN112655296B

CN112655296B - Tillage and soil preparation homogenizing tillage machine

Info

Publication number: CN112655296B
Application number: CN202011482839.5A
Authority: CN
Inventors: 杨发展; 王黎阳; 杨云鹏; 牟家宏; 李维华; 荐世春; 史嵩
Original assignee: Qingdao University of Technology
Current assignee: Qingdao University of Technology
Priority date: 2020-12-16
Filing date: 2020-12-16
Publication date: 2022-10-21
Anticipated expiration: 2040-12-16
Also published as: CN112655296A

Abstract

The invention relates to a tillage and soil preparation homogenizing tiller, which comprises a power box, more than two rotary blades and a plurality of press rollers, wherein the rotary blades are arranged on the power box; the middle part of the top of the power box is connected with a reduction box, and a speed reducer in the reduction box is powered by an external tractor and drives each rotary blade to rotate; the angle-adjustable outer rotary blade of each rotary blade is connected with the end part of the rotary tillage connecting plate, and the inner rotary blade of each rotary blade is connected with the bottom surface of the rotary tillage connecting plate and positioned at the inner side of the outer rotary blade; the rotary connection of a plurality of compression roller series connection is between two coupling beams around being located each rotary blade rear, the compression roller is enclosed by the circular-arc roll body more than two and closes and forms cylindricly, and has the space between two adjacent roll bodies, all is provided with the roller tooth on each roll body, the inner support piece and the outer support piece that connect the roll body and regard as the center disc of rotation center cup joint together, wear to be equipped with along the radial positioning bolt who arranges of compression roller between the shrouding of the tip of inner support piece and the intermediate lamella of outer support piece, the positioning bolt is equipped with the spring in the partial cover between shrouding and intermediate lamella.

Description

Tillage and soil preparation homogenizing tillage machine

Technical Field

The invention relates to the technical field of vertical rotary cultivators, in particular to a homogenizing cultivator for soil preparation.

Background

With the gradual introduction of the vertical rotary cultivator, the vertical rotary cultivator has the advantages of more excellent soil breaking and leveling capability, deeper cultivation depth, higher operation speed and the like, and is gradually applied to wheat cultivation and soil preparation operation.

The vertical rotary tillage cutter structure type on the existing market is more single, and some operation machines only possess a supporting cutter, and because vertical rotary tillage operation in-process cutter is longer with soil contact time, and wearing and tearing are very serious, change frequently, and adopt the bolt fastening mode more at present stage, and the change process is loaded down with trivial details relatively for vertical rotary cultivator operation is promoted slowly.

The structure of the existing vertical rotary cultivator can be seen in the Chinese utility model patent with the publication number of CN207639096U and the name of 'a vertical rotary cultivator and vertical rotary blade thereof', the patent discloses that two double groups of rotary blades of the vertical rotary cultivator are 'door' shaped and are vertically installed on a rotor, the rotor is driven by a gear set to rotate around a vertical shaft, and the soil is beaten, cut up and stirred. Because adjacent rotors are directly meshed and driven by two straight toothed spur gears, adjacent rotary tillage cutters have opposite rotating directions. The problem that the straws in the soil cannot be smashed or removed and the soil has inconsistent fine crushing degree exists.

Disclosure of Invention

In order to solve the above problems, an object of the present invention is to provide a tillage machine for homogenizing soil, which has a uniform soil fineness and a good soil crushing and compacting effect, and which can greatly improve the working quality and adaptability.

In order to achieve the purpose, the invention adopts the following technical scheme:

a tillage and soil preparation homogenizing tiller comprises a power box, more than two rotary blades and a plurality of press rollers; the middle part of the top of the power box is connected with a reduction box, and a speed reducer in the reduction box is powered by an external tractor and drives each rotary blade to rotate; the angle-adjustable outer rotary blade of each rotary blade is connected with the end part of the rotary tillage connecting plate, and the inner rotary blade of each rotary blade is connected with the bottom surface of the rotary tillage connecting plate and positioned at the inner side of the outer rotary blade; rotatable coupling of a plurality of compression roller series connection is located between two tie-beams around each rotary blade rear, the compression roller is enclosed by the circular-arc roll body more than two and closes and forms cylindricly, and have the space between the two adjacent roll bodies, each roll body outside all is provided with the roller tooth, but connect the roll body and as the cup joint of the inner support piece and the outer support piece relative movement of center disc of rotation center together, wear to be equipped with along the radial positioning bolt who arranges of compression roller on the shrouding of the tip of inner support piece and the intermediate lamella of outer support piece, positioning bolt is equipped with the spring at the partial cover between shrouding and intermediate lamella.

Furthermore, a driving shaft connected with the rotary tillage connecting plate is rotatably arranged in the power box, a gear is fixedly sleeved on the driving shaft, the rotary tillage blades are arranged side by side, the gears corresponding to the two adjacent rotary tillage blades are meshed with each other, and the middle driving shaft is connected with a speed reducer of the reduction box.

Furthermore, a transverse power connecting plate is fixed in the power box, a chuck is installed in a mounting hole of the power connecting plate, a thrust bearing is respectively installed in the chuck from top to bottom, and the driving shaft is sleeved in the thrust bearing.

Furthermore, the end part of the rotary tillage connecting plate is provided with a fixed wing, the outer end of the fixed wing is provided with a central shaft hole, and the inner end of the fixed wing is provided with a plurality of positioning shaft holes which are equidistant to the central shaft hole; the end part of the outer rotary blade is provided with a movable wing matched with the shape and the hole position of the fixed wing, the movable wing is rotatably connected to the fixed wing through a central shaft and is fixed on the fixed wing through a positioning shaft, and the operating position of the outer rotary blade is adjusted by connecting the positioning shaft in different positioning shaft holes; the blades of the outer rotary tillage blade and the inner rotary tillage blade are arranged outwards and the blade backs are folded inwards.

Furthermore, a support frame is welded in the middle of the inner side of the roller body, the support frame is in locking connection with the inner supporting piece, the outer supporting piece is sleeved outside the inner supporting piece, strip-shaped holes are formed in side plates of the inner supporting piece and the outer supporting piece and are connected through a pin shaft, and the end part of the outer supporting piece is fixedly connected to the central disc.

Further, arrange one fertilization respectively in the place ahead position of each rotary blade and hug the leg, each fertilization is hugged the leg and is passed through the connection of vertical U type bolt height-adjustable on the horizontal fertilization roof beam of being connected with the headstock, and the fertilization is hugged the leg and is wholly by the headstock side down and the fixed plow plate that is used for the ditching of preceding tip below of incline of front side, and the fertilization is hugged the leg and is equipped with the plough form and hug the rake, and the fertilization is hugged leg top tip notch and is passed through the hose and be connected with the fertilizer distributor of fixing the fertilizer box at the headstock top.

Furthermore, the left side and the right side of the power box are provided with soil cutting knives, the two soil cutting knives extend to the lower part of the power box, and the bottoms of the two soil cutting knives are approximately flush with the bottoms of the rotary tillage knives.

Furthermore, the front connecting beam is connected between the two connecting side plates, one end of each connecting side plate is rotatably connected to the power box, the other end of each connecting side plate is connected with a lower hydraulic cylinder and is driven by the lower hydraulic cylinder to rotate around a rotating point, and the front connecting beam is rotatably connected with each compression roller through a Y-shaped plate; the back tie-beam is even with be connected between the two Y templates that the curb plate is connected, and middle Y template one end is connected in the front on the tie-beam, and the other end is connected on the back tie-beam.

Furthermore, even there are a plurality of earth scrapers on the back tie-beam, and earth scraper upper end sets up and through the U type bolted connection of horizontal setting on the back tie-beam along vertical, and the lower tip is buckled and is pressed close to the roll body between the roller teeth.

Further, still including hanging the assembly, the main part front end that hangs the assembly passes through the hinge and connects two supporting legss, the supporting legs is fixed on the headstock, the main part leans on the position of back to connect an upper portion pneumatic cylinder and by upper portion pneumatic cylinder drive regulation inclination, a hanging scaffold is connected to the rear end of main part, hanging scaffold's horizontal pole transversely sets up and both ends articulate respectively on hanging scaffold top and with the headstock on the support body, the main part front end is equipped with the point of hanging of being connected with outside tractor, the main part rear end is fixed with lifting hook and link respectively.

The invention has the following beneficial effects:

the tillage and soil preparation homogenizing tiller greatly solves the problems that straws in soil cannot be smashed or removed, the soil fineness is inconsistent, the compacting effect is poor, the operation mode is single and the like in the operation process of a traditional vertical rotary cultivator, greatly improves the operation quality and adaptability, reduces the manufacturing and maintenance cost, reduces the manpower input and time cost, and can be connected with other operation machines for combined operation.

The rotary blade structure has been rationally designed, and the rotary blade takes inside and outside two-layer formula structural design, and the outer lane carries out the operation of normally ploughing and breaking ground, and the large-scale clod that the inner circle can be broken and omit, and the hack homogeneity greatly improves, and the operation effect is more excellent to can avoid when the vertical rotary tillage operation of tradition the soil of rotary tillage orbit overlap portion to lead to whole degree of breaking in small, broken bits inconsistent many times, the uneven condition of wheat growth to take place.

The compression roller of hack compaction assembly adopts the profile modeling design, makes the roll body surface have certain mobility through the spring, not only can realize the shock attenuation purpose, still can adapt to the arable layer operation environment of different relief heights, compares with the long roller suppression mode of tradition, and relief fluctuation can not appear and lead to the roll body perk to lead to partial roll body to leave the unable suppression operation that realizes on ground. Adopt many compression rollers to establish ties hack suppression operation mode, more can adapt to the condition of unevenness in the earth's surface, can effectively avoid the roll body slope to lead to the problem of the unable suppression of partial soil cover to appear, still can improve the maintenance flexibility, when partial roll body is damaged, need not maintain whole roll bodies.

The suspension assembly equipped on the suspension frame can be used for connecting other seeding machines or working structure assemblies to meet different operation requirements, and can meet the connection with different mechanical structures by adjusting the equipment position of the connection part of the suspension connection frame.

Drawings

FIG. 1 is a schematic view of the overall construction of the front angle of the present invention;

FIG. 2 is an enlarged schematic view of the structure at A in FIG. 1;

FIG. 3 is a schematic view of the overall structure of the rear angle of the present invention;

FIG. 4 is a schematic view of the connection between the driving shaft and the rotary blade according to the present invention;

FIG. 5 is a schematic view of the rotary blade of the present invention;

FIG. 6 is a schematic top view of the rotary blade of the present invention;

FIG. 7 is a schematic structural view of the soil breaking and compacting assembly of the present invention;

FIG. 8 is a schematic perspective view of a press roll (without teeth) of the present invention;

FIG. 9 is a schematic side view of a press roll (without teeth) of the present invention;

fig. 10 is a schematic view of the suspension assembly of the present invention.

Detailed Description

The invention is described in further detail below with reference to the following figures and specific examples:

referring to fig. 1 to 10, a homogenizing tiller for plowing land comprises a power box assembly 1, a rotary tillage assembly 2, a fertilization assembly 3, a soil crushing and compacting assembly 4 and a suspension assembly 5.

The middle of the top of a power box 11 of the power box assembly 1 is connected with a reduction gearbox 12, a transverse power connecting plate 111 is fixed in the power box 11, a plurality of spaced mounting holes are formed in the power connecting plate 111, a chuck 112 is mounted in the mounting hole of the power connecting plate 111, the upper end of the chuck 112 extends to the upper side of the power connecting plate 111, the outer side of the lower end of the chuck 112 extends to the lower side of the power connecting plate 111 and is fixed on the power connecting plate 111 through screws, a thrust bearing end cover 113 is arranged below the chuck 112, and the thrust bearing end cover 113 penetrates through the chuck 112 through bolts and is fixedly connected onto the power connecting plate 111. The chuck 112 is internally and vertically provided with a thrust bearing 114, a longitudinal driving shaft 115 is fixedly sleeved in the inner rings of the upper thrust bearing 114 and the lower thrust bearing 114, a gear 116 is fixedly sleeved at the upper end part of the driving shaft 115, which is positioned above the power connecting plate 111, and the driving shaft 115, which is positioned above the gear 116, is provided with threads and is in threaded connection with a nut. The plurality of gears 116 are arranged side by side in a transverse direction, two adjacent gears 116 are meshed with each other, the driving shaft 115 in the middle is connected with a speed reducer of the reduction gearbox 12, the speed reducer is powered by an external tractor, and the speed reducer changes the direction and reduces the speed to drive the gears 116 to rotate.

The lower end part of the driving shaft 115 below the power connection plate 111 is fixedly connected with a rotary tillage connection plate 22 of a rotary tillage blade of the rotary tillage assembly 2 through a spline and a connection shaft 21, specifically, the middle part of the top surface of the rotary tillage connection plate 22 is fixedly connected with a hollow connection shaft 21 through a bolt, and the bottom part of the driving shaft 115 is fixedly connected with the connection shaft 21 through a spline. The end parts of two opposite sides of the rotary tillage connecting plate 22 are respectively connected with an outer rotary tillage blade 23 with an adjustable angle, specifically, the end part of the rotary tillage connecting plate 22 is provided with a fan-shaped longitudinal fixed wing 221, the outer end of the fixed wing 221 is provided with a central shaft hole, the inner end of the fixed wing 221 is provided with a plurality of positioning shaft holes which are equidistant to the central shaft hole, correspondingly, the upper end part of the outer rotary tillage blade 23 is provided with a movable wing plate 231 matched with the shape of the fixed wing 221 and the hole position, the movable wing plate 231 is rotatably connected to the fixed wing 221 through a central shaft 232 and is fixed on the fixed wing 221 through a positioning shaft 233, and the positioning shaft 233 is connected to different positioning shaft holes so as to adjust the working position of the outer rotary tillage blade 23 and conveniently replace the blade body. Preferably, the cutting edge of the outer rotary blade 23 has an outer deflection angle α of 30 degrees, and when the outer rotary blade 23 is operated, the cutting edge swings outwards and the blade back folds inwards, so that the stress form of the blade can be optimized, the cutting edge can be ensured to contact with uncultivated soil firstly, and the blade back can be ensured to contact with soil which is already rotary-tilled and is in a loose state, thereby effectively reducing the operation resistance of the blade and avoiding the soil resistance phenomenon of the blade back. The bottom surface of the rotary tillage connecting plate 22 is fixedly connected with two inner rotary blades 25 through two inverted L-shaped connecting frames 24, the rotating direction of the inner rotary blades 25 is consistent with that of the outer rotary blades 23, and the blades of the inner rotary blades 25 also have an outer deflection angle of 30 degrees. Two-piece type inner rotary blade 25 and two outer rotary blades 23 are positioned on four sides of the rotary tillage connecting plate 22, the two inner rotary blades 25 are positioned on the inner sides of the two outer rotary blades 23, the outer rotary blades 23 on the outer sides perform normal rotary tillage and soil breaking operation, the inner rotary blades 25 on the inner sides can break large soil blocks which are left over, and multi-dimensional uniform soil breaking can be realized.

The front positions of the rotary tilling blades are respectively provided with a fertilizing rake 31 of a fertilizing assembly 3. Each fertilization raking leg 31 is detachably connected to a fertilization beam 32 in front of the power box 11 through a longitudinal columnar body 311 welded to the side, a transverse plate 312 connected to the upper portion of the columnar body 311 is adjustably connected to the fertilization beam 32 through a longitudinal U-shaped bolt, and the operation depth of the fertilization raking leg 31 is adjusted through adjusting the U-shaped bolt. The fertilization raking leg 31 is integrally fixed with a plow plate 313 for ditching from the front end part of the lower side of the power box assembly 1 to the front side in an inclined and downward manner, and the fertilization raking leg 31 is provided with a raking harrow 314. Leg 31 top notch is hugged in the fertilization passes through the hose and is connected with each fertilizer apparatus of fixing the fertile case 331 at headstock 11 top, the fertilizer apparatus rotates through small motor 33 and drives fertilizer apparatus work and carry fertilizer from fertile case 331 to the fertilization through the hose and hug leg 31 in, wherein hose and fertilizer apparatus are not shown in the figure.

Preferably, the left and right sides installation of headstock 11 is cut native sword 13, and two soil cutters 13 extend headstock 11 below and the bottom roughly flushes with the rotary blade bottom, and two left and right sides soil cutters 13 are and enclose the fender form and install the both sides at the rotary blade, when reducing the resistance that the machines gos forward, can avoid the clod throwing that the rotary blade caused when broken soil.

The soil crushing and compacting assembly 4 is arranged at the rear position of each rotary blade. The soil crushing and compacting assembly 4 is connected to the power box 11 through two L-shaped connecting side plates 41, one end of each connecting side plate 41 is rotatably connected to two sides of the power box 11, and a lower hydraulic cylinder 43 is connected between the top of the other end of each connecting side plate 41, which protrudes upwards, and a longitudinal plate 42 fixed to the end of the fertilizing beam 32. A front connecting beam 44 is arranged between the two connecting side plates 41, and the front connecting beam 44 is rotatably connected with a plurality of compression rollers 46 through a plurality of Y-shaped plates 45.

Three arc-shaped roller bodies 461 of the pressing roller 46 are enclosed to form a cylinder shape, a gap is arranged between two adjacent roller bodies 461, and a plurality of roller teeth 462 are uniformly arranged on the outer side surface of each roller body 461. The middle part of the inner side surface of the roller body 461 is welded with a supporting frame 463, the supporting frame 463 is locked and connected with an inner supporting piece 464 through a screw, the outer supporting piece 465 is sleeved outside the inner supporting piece 464, the side plates of the inner supporting piece 464 and the outer supporting piece 465 are respectively provided with a strip-shaped hole 460, the outer supporting piece 465 and the inner supporting piece 464 are connected through a pin shaft penetrating through the strip-shaped holes 460 on the inner supporting piece 464 and the outer supporting piece 465, and the inner supporting piece and the outer supporting piece can move relatively. A closing plate 4641 is arranged at the end part of the inner support 464, an intermediate plate 4651 is arranged in the middle of the outer side of the end part of the inner support 464 of the outer support 465, positioning bolts 466 arranged along the radial direction of the pressing roller 46 penetrate through the closing plate 4641 and the intermediate plate 4651, the heads of the positioning bolts 466 are positioned on the outer side of the closing plate 4641, and the tails of the positioning bolts 466 are positioned on the outer side of the intermediate plate 4651 and are in threaded connection with nuts. The positioning bolt 466 is sleeved with a spring 467 at the part between the closing plate 4641 and the middle plate 4651. The outer support 465 is fixedly attached at its ends to the center disk 468 by fastening bolts. In this embodiment, a center disk 468 is disposed at the center of each of the two ends of the roller 461.

Two central disks 468 of the compression roller 46 are respectively and rotatably connected to a Y-shaped plate 45, the end Y-shaped plate 45 is fixedly connected to the connecting side plate 41, a rear connecting beam 47 is connected between the rear end parts of the two Y-shaped plates 45 at the end parts, the middle Y-shaped plate 45 is connected to the front connecting beam 44, and the other end is connected to the rear connecting beam 47. The rear connecting beam 47 is connected with a plurality of soil scrapers 48, the upper end of each soil scraper 48 is longitudinally arranged and is connected to the rear connecting beam 47 through a transversely arranged U-shaped bolt, the lower end of each soil scraper 48 is bent to be close to the roller body 461 between the roller teeth 462, and soil adhered to the roller body 461 can be scraped.

The plurality of press rolls 46 are serially arranged between the two connecting side plates 41, so that the press rolls can be adapted to the conditions of uneven ground surface and are convenient to maintain. Furthermore, a soil scraping plate 40 with adjustable height is arranged between the rotary tillage assembly 2 and the soil crushing and compacting assembly 4, so that the ground which is sunk after being stirred can be scraped.

The suspension assembly 5 is arranged on the power box 11. The main body 51 of the suspension assembly 5 is positioned above the power box 11, the front end part of the main body 51 is connected with a rotatable supporting leg 52, a fin 521 with a hole at the bottom of the supporting leg 52 is inserted into a hole of a groove body 53 fixed on the power box 11 and extends out of the groove to be connected with the lower part of an external tractor, the side wall of the groove body 53 is provided with a plurality of connecting through holes 531, the groove body 53 is also internally provided with a cylinder body of an upper hydraulic cylinder 54, the cylinder body is connected to the groove body 53 through a connecting piece in an adjustable position, and a piston rod of the upper hydraulic cylinder 54 is hinged with the rear end part of the main body 51. The rear end of the main body 51 is connected with a suspension bracket 55, and a triangular support part 551 of the suspension bracket 55 is fixedly connected with the main body 51 and is rotatably connected to the power box 11 through a connecting rod; the top of the supporting part 551 is hinged with a cross bar 552, the other end of the cross bar 552 is connected with the rear ends of two perforated wing plates 561 fixed on the supporting frame body 56 connected with the two groove bodies 53 through a hinge shaft, and the front ends of the wing plates 561 are also provided with connecting holes for connecting with the upper part of an external tractor. Two sides of the rear end of the supporting part 551 are respectively fixed with a lifting hook 57, and a hanging ring is fixed between the two lifting hooks 57 and is used for carrying out three-point suspension with an external seeder.

The tillage and soil preparation homogenizing tillage machine is connected with an external tractor in a three-point suspension mode through a wing plate 561 with holes in the upper portion and a wing plate 521 with holes in the lower portion of the front end of a suspension assembly 5, the tractor pulls the fertilizer to move forward, fertilizer in a fertilizer box 331 is discharged into a fertilizing rake 31 through a fertilizer discharger, the fertilizing rake 31 ditches and applies the fertilizer into soil, and meanwhile, a rake 314 in the front portion rakes weed straws. The power of the tillage homogenizing cultivator is obtained by a tractor power output universal joint, the power is transmitted to the reduction gearbox 12, the speed is reduced by the reduction gearbox and then transmitted to the gears 116 in the power box 11, and the gears 116 drive the rotary tillage blades to carry out rotary tillage operation. And a soil scraping plate is arranged behind the rotary tillage cutter to scrape the rough ground after rotary tillage and stirring. The rear press roller 46 is pulled by a tractor to rotate and advance, and the roller teeth 462 on the rear press roller can break the missed large soil and compact the looser plough layer soil after rotary tillage.

The rear end of the suspension assembly 5 can be connected to the planter at three points and can be adjusted in height by an upper hydraulic cylinder 54.

The above description is only an embodiment of the present invention, and is not intended to limit the scope of the present invention, and all equivalent structural changes made by using the contents of the present specification and the drawings, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.

Claims

1. A homogenizing tillage implement for tillage, characterized in that: comprises a power box (11), more than two rotary blades and a plurality of press rollers (46);

the middle part of the top of the power box (11) is connected with a reduction gearbox (12), and a speed reducer in the reduction gearbox (12) is powered by an external tractor;

more than two rotary blades are arranged at the bottom of the power box (11) side by side and are driven to rotate by the speed reducer; the outer rotary tillage blades (23) of each rotary tillage blade are connected to the end part of the rotary tillage connecting plate (22) in an angle-adjustable manner, the inner rotary tillage blades (25) of the rotary tillage blades are connected to the bottom surface of the rotary tillage connecting plate (22) and are positioned at the inner sides of the outer rotary tillage blades (23), and the cutting edges of the outer rotary tillage blades (23) and the inner rotary tillage blades (25) are outwards swung and the blade backs are inwards folded; the end part of the rotary tillage connecting plate (22) is provided with a fixed wing (221), the outer end of the fixed wing (221) is provided with a central shaft hole, and the inner end of the fixed wing is provided with a plurality of positioning shaft holes which are equidistant to the central shaft hole; the end part of the outer rotary blade (23) is provided with a movable wing (231) matched with the shape and the hole site of the fixed wing (221), the movable wing (231) is rotatably connected to the fixed wing (221) through a central shaft (232) and is fixed on the fixed wing (221) through a positioning shaft (233), and the working position of the outer rotary blade (23) is adjusted by connecting the positioning shaft (233) in different positioning shaft holes;

the left side and the right side of the power box (11) are provided with the soil cutting knives (13), the two soil cutting knives (13) extend to the lower part of the power box (11), the bottoms of the two soil cutting knives are approximately flush with the bottoms of the rotary tillage knives, and the left soil cutting knife and the right soil cutting knife (13) are arranged on the two sides of the rotary tillage knives in a surrounding manner;

the pressing roller (46) is surrounded by more than two arc-shaped roller bodies (461) to form a cylinder shape, a gap is reserved between every two adjacent roller bodies (461), roller teeth (462) are arranged on the outer side of each roller body (461), an inner support (464) and an outer support (465) which are used for connecting the roller bodies (461) and a center disc (468) as a rotation center are sleeved together in a relatively movable mode, positioning bolts (466) which are arranged along the radial direction of the pressing roller (46) penetrate through a sealing plate (4641) of the inner support (464) and a middle plate (4651) of the outer support (465), and springs (467) are sleeved on the positioning bolts (466) between the sealing plate (4641) and the middle plate (4651).

2. A tilling homogenizing tiller according to claim 1, wherein: a driving shaft (115) connected with the rotary tillage connecting plate (22) is rotatably arranged in the power box (11), a gear (116) is fixedly sleeved on the driving shaft (115), the gears (116) corresponding to two adjacent rotary tillage cutters are mutually meshed, and the driving shaft (115) in the middle is connected with a speed reducer of the reduction gearbox (12).

3. A tilling homogenizing tiller according to claim 2, wherein: a transverse power connecting plate (111) is fixed in the power box (11), a chuck (112) is installed in a mounting hole of the power connecting plate (111), thrust bearings (114) are respectively installed in the chuck (112) from top to bottom, and a driving shaft (115) is sleeved in the thrust bearings (114).

4. A tilling homogenizing tiller according to claim 1, wherein: bearing frame (463) have been welded in roll body (461) inboard middle part, and bearing frame (463) lock joint inner support piece (464), inner support piece (464) overcoat outer support piece (465), all opened on the curb plate of inner support piece (464) and outer support piece (465) strip hole (460) and through the round pin hub connection, outer support piece (465) end fixed connection is on central disc (468).

5. A tilling homogenizing tiller according to claim 1, wherein: arrange one fertilization respectively in the place ahead of each rotary blade and hug leg (31), each fertilization is hugged leg (31) and is connected on horizontal fertilization roof beam (32) be connected with headstock (11) through the adjustable high connection of fore-and-aft U type bolt, the fertilization is hugged leg (31) wholly by headstock (11) side down toward the incline of front side and preceding tip below fixed one be used for ploughing (313) of ditching, it hugs harrow (314) to be equipped with on leg (31) is hugged in the fertilization, the fertilization is hugged leg (31) top tip notch and is passed through the hose and is connected with the fertilizer distributor of fixing in the fertile case (331) at headstock (11) top.

6. A tilling homogenizing tiller according to claim 1, wherein: the front connecting beam (44) is connected between the two connecting side plates (41), one end of each connecting side plate (41) is rotatably connected to the power box (11), the other end of each connecting side plate (41) is connected with a lower hydraulic cylinder (43) and driven by the lower hydraulic cylinder (43) to rotate around a rotating point, and the front connecting beam (44) is rotatably connected with each compression roller (46) through a Y-shaped plate (45); the rear connecting beam (47) is connected between two Y-shaped plates (45) connected with the connecting side plate (41), one end of the Y-shaped plate (45) positioned in the middle is connected to the front connecting beam (44), and the other end of the Y-shaped plate is connected to the rear connecting beam (47).

7. A tilling homogenizing tiller according to claim 6, wherein: the rear connecting beam (47) is connected with a plurality of soil scrapers (48), the upper end of each soil scraper (48) is longitudinally arranged and is connected to the rear connecting beam (47) through a transversely arranged U-shaped bolt, and the lower end of each soil scraper (48) is bent to be close to a roller body (461) between the roller teeth (462).

8. A tilling homogenizing tiller according to claim 1, wherein: still including hanging assembly (5), main part (51) front end of hanging assembly (5) connects two supporting legs (52) through the hinge, supporting leg (52) are fixed on headstock (11), main part (51) are connected an upper portion pneumatic cylinder (54) and are adjusted inclination by upper portion pneumatic cylinder (54) drive by the position of back, a suspension bracket (55) is connected to the rear end of main part (51), horizontal setting and both ends of horizontal pole (552) of suspension bracket (55) articulate respectively on support frame body (56) on the top of suspension bracket (55) and headstock (11), main part (51) front end is equipped with the suspension point of being connected with outside tractor, main part (51) rear end is fixed with lifting hook (57) and link respectively.