CN110771342A - Anti-winding and anti-sticking wheat strip scattering, earthing, fertilizing and seeding machine for rice stubble field - Google Patents

Anti-winding and anti-sticking wheat strip scattering, earthing, fertilizing and seeding machine for rice stubble field Download PDF

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Publication number
CN110771342A
CN110771342A CN201911045440.8A CN201911045440A CN110771342A CN 110771342 A CN110771342 A CN 110771342A CN 201911045440 A CN201911045440 A CN 201911045440A CN 110771342 A CN110771342 A CN 110771342A
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fixedly connected
shaft
fertilizer
chain wheel
soil
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CN110771342B (en
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郑侃
李玥宾
李宇飞
牛文娟
何恩康
廖宜涛
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Huazhong Agricultural University
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Huazhong Agricultural University
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    • AHUMAN NECESSITIES
    • A01AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01DHARVESTING; MOWING
    • A01D43/00Mowers combined with apparatus performing additional operations while mowing
    • A01D43/12Mowers combined with apparatus performing additional operations while mowing with soil-working implements, e.g. ploughs
    • AHUMAN NECESSITIES
    • A01AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01DHARVESTING; MOWING
    • A01D43/00Mowers combined with apparatus performing additional operations while mowing
    • A01D43/14Mowers combined with apparatus performing additional operations while mowing with dispensing apparatus, e.g. for fertilisers, herbicides or preservatives

Abstract

The invention discloses an anti-winding and anti-sticking wheat strip scattering, earthing, fertilizing and seeding machine for a rice stubble field, which comprises a rack, a main and auxiliary gearbox combination, a stubble cutting and ditching device, a fertilizing device, a seeding device, two anti-clay strip scattering devices, a furrow trimming device and a soil scraping and pressing device, wherein the main and auxiliary gearbox combination is connected with the rack; each clay strip scattering prevention device comprises a universal transmission mechanism, a universal transmission shaft, a turntable shaft and two sets of clay strip scattering prevention main bodies; the inner side of the universal transmission mechanism is fixedly connected with an output shaft of the auxiliary gearbox, and the two outer sides of the universal transmission mechanism are fixedly connected with a universal transmission shaft respectively; the outer end of each universal transmission shaft is rotatably connected with a longitudinal beam of the rack through a vertical bearing seat I, and the left end and the right end of the turntable shaft are rotatably connected with left side plates and right side plates of the rack; the middle and small wheat sowing pipes of the clay strip scattering prevention device guide the seeds from the outer side, so that the impact of soil scattered by the breaking and throwing knife and the straws with the seed flow is avoided, and meanwhile, the long-strip-shaped scraper reciprocates, so that the soil adhered to the sleeve is reduced, and the sowing quality is further improved.

Description

Anti-winding and anti-sticking wheat strip scattering, earthing, fertilizing and seeding machine for rice stubble field
Technical Field
The invention belongs to the technical field of seeding in agricultural machinery, and particularly relates to an anti-winding and anti-sticking wheat strip scattering, earthing, fertilizing and seeding machine for a rice stubble field.
Background
The method has the advantages of reducing operation flow, saving cost, fertilizing soil and the like. The rice stubble field has heavy soil viscosity and large water content; after the rice is harvested, the stubble is high, the straw quantity is large, and the problem that the machine adheres to the soil rice stubble in the sowing operation process is serious. The following problems exist after the sowing machine is adhered with the rice stubble soil: the furrow opener is easy to adhere to the rice stubble soil to cause congestion and influence the sowing quality; the machine is stopped to clean the machine, so that the working efficiency of the machine is influenced; the machine set power drives the machine tool and the adhered soil rice stubble to work together, so that the operation power consumption is increased; the friction between the soil rice stubble and the surface of the part is changed into the interface friction between the soil rice stubble, so that the operation resistance is increased; the fatigue failure of the parts is easy to occur, and the service life is reduced. Therefore, the development trend is to research and develop the anti-sticking wheat fertilizing and seeding machine matched with the Yangtze river middle and lower reaches agricultural areas with wide rice mechanical tillage area.
Patent No. 201720341571.0 "a rice stubble wheat antiwind no-tillage combined seed and fertilizer drill for paddy field", realize the no-tillage seeding of rice stubble field wheat through devices such as rotary tillage, ditching, broadcast sowing, suppression, broadcast sowing adopts the broadcast sowing seed tube, the soil that the rotary tillage was shed, the straw easily adheres to broadcast sowing seed tube front portion and causes to block up stifled, and the soil that spills easily with broadcast sowing seed stream striking, cause the unable row seeding that forms of wheat seed, the seeding effect is poor, ditching device can't cut off the rice stubble simultaneously, make ditching device winding serious. Patent No. ZL201510700257.2 "a wheat no-tillage is seeding and soil straw separation and earthing device for broadcast seeder", adopt devices such as rotary tillage throwing soil, soil separation, broadcast seeding to sow wheat, whole quick-witted compact structure easily realizes, but the rotary tillage throwing soil volume is big, easily blocks up between rotary tillage part and separator, and only is suitable for soil arid area, glues heavy, the straw volume is big to the soil and easily produces the jam winding in the rice stubble field.
Disclosure of Invention
The invention aims to solve the problems that wheat is easy to adhere to soil, twine rice stubble, has poor sowing effect and the like when being sowed in a rice stubble field with heavy soil and large straw amount in the technical background, and provides an anti-twined wheat strip scattering, earthing, fertilizing and sowing machine for a rice stubble field, which reduces the sleeve adhering soil and further improves the sowing quality.
In order to achieve the purpose, the anti-winding wheat strip scattering, earthing, fertilizing and seeding machine for the rice stubble field comprises a rack, a main and auxiliary gearbox combination, a stubble cutting and ditching device, a fertilizing device, a seeding device, two anti-clay strip scattering devices, a furrow trimming device and a soil scraping and pressing device, wherein the main and auxiliary gearbox combination is positioned in the middle of the front part of the rack, the furrow trimming device is arranged right behind the main and auxiliary gearbox combination, the fertilizing device is arranged at the front part of the rack, the seeding device is arranged at the rear part of the rack, the stubble cutting and ditching combination, the anti-soil strip scattering device and the soil scraping and pressing device are sequentially arranged below the rack from front to back, the main and auxiliary gearbox combination comprises a main gearbox and an auxiliary gearbox, and a rear output shaft of the main gearbox is connected with a front input shaft of the auxiliary gearbox through a coupler;
the two clay bar scattering prevention devices are symmetrically distributed in the left-right direction by taking the central plane of the whole machine as a symmetrical plane, and each clay bar scattering prevention device comprises a universal transmission mechanism, a universal transmission shaft, a turntable shaft and two sets of clay bar scattering prevention main bodies; the inner side of the universal transmission mechanism is fixedly connected with an output shaft of the auxiliary gearbox, and the two outer sides of the universal transmission mechanism are fixedly connected with a universal transmission shaft respectively; the outer end of each universal transmission shaft is rotatably connected with a longitudinal beam of the rack through a vertical bearing seat I, and the left end and the right end of the turntable shaft are rotatably connected with left side plates and right side plates of the rack; the left shaft end and the right shaft end of the universal transmission shaft are fixedly connected with a chain wheel III, the left shaft end and the right shaft end of the turntable shaft are fixedly connected with a chain wheel IV, and the chain wheel III and the chain wheel IV form a chain transmission mechanism through a chain II;
each set of the clay bar scattering prevention main body is arranged at the rear part of the side plate and comprises a turntable fixedly connected with a turntable shaft, a fixed sleeve, scattering pipes fixedly connected to the rear lower part of the fixed sleeve and arranged at equal intervals, a sowing hose penetrating through the inner cavity of the fixed sleeve, and a plurality of strip-shaped scrapers arranged on the surface of the front upper part of the cylinder of the fixed sleeve along the circumferential direction of the fixed sleeve; one end of the fixed sleeve is fixedly connected to a side plate of the frame through a rolling bearing, the other end of the fixed sleeve is fixedly connected to the furrow repairing device through a rolling bearing, each sowing pipe is fixedly connected with a sowing hose penetrating through an inner cavity of the fixed sleeve, and the left end and the right end of the strip-shaped scraper are fixedly connected to the inner side of an outer ring of the rolling bearing and rotatably connected with the fixed sleeve; the rolling cylindrical shaft fixedly connected with the inner side surface of the turntable and the straight groove swing rod fixedly connected with the outer ring of the rolling bearing form a roller pair.
Furthermore, the stubble cutting and ditching device comprises a rotating system, a chain transmission mechanism, a stubble cutting disc assembly and a furrow shaping box body; the rotating system comprises a left connecting plate, a right connecting plate and a transmission shaft, wherein the upper ends of the left connecting plate and the right connecting plate are fixedly connected to the lower end of the main gearbox, and the left end and the right end of the transmission shaft are respectively connected with the left connecting plate and the right connecting plate through bearings and bearing seats; the chain transmission mechanism comprises a chain wheel I fixed on the end face of the right end of the transmission shaft, a chain wheel II fixed on the output transmission shaft on the right side of the main gearbox, and a chain I used for connecting the chain wheel I and the chain wheel II; the stubble cutting disc assembly comprises a stubble cutting disc arranged on the symmetrical central plane of the left connecting plate and the right connecting plate, a left stubble cutting disc and a right stubble cutting disc welded on the transmission shaft, each stubble cutting disc is fixedly connected with a cylindrical blade holder supporting disc respectively, 4-6 rotary blade holders are uniformly distributed on the surface of a cylinder of each cylindrical blade holder supporting disc, 16-24 circular-arc notches are uniformly distributed on the outer edge of the stubble cutting disc, each rotary blade holder is fixedly connected with a rotary blade through a bolt, and the tangent part of the rotary blade faces the outer side; in addition, an upper arc baffle and a lower arc baffle which are positioned right behind the stubble cutting disc form a soil diffusion baffle; the upper end of the front part of the furrow shaping box body is fixedly connected to the lower end of the first fixing plate, the front end of the furrow shaping box body is fixedly connected with the lower arc baffle, the upper end of the first fixing plate is welded to the lower end of the frame beam III through a bolt, and the front end of the first fixing plate is fixedly connected with the rear end of the middle part of the upper arc baffle.
The device comprises a frame crossbeam III, a cutter shaft and an anti-winding and anti-breaking device, wherein the frame crossbeam III is provided with a plurality of groups of crushing and throwing units, the anti-winding and anti-breaking device is symmetrically arranged on the frame crossbeam III, the cutter shaft is axially and fixedly connected with 8-12 groups of crushing and throwing units, and a pair of anti-winding cutters is fixedly connected between every two adjacent crushing and throwing units through bolts; the inner side end of the cutter shaft is rotationally connected with the auxiliary gearbox through a coupler; each group of the broken throwing monomers comprises a broken throwing cutter disc and broken throwing cutters, the left side and the right side of the broken throwing cutter disc are fixedly connected with 2-4 broken throwing cutters in an equal-angle mode through bolts, the bending directions of the broken throwing cutters on the left side and the right side are opposite, and the bending angles of the broken throwing cutters on the left side and the right side are opposite Is 5-15 degrees.
Furthermore, the curve of the cutting edge of the breaking and throwing knife is an eccentric arc, the angle a of the cutting edge is 10-30 degrees, and the thickness h of the cutting edge is 1-2 mm.
Furthermore, the soil scraping and pressing device comprises two pressing rollers symmetrically arranged on the left side and the right side of the furrow repairing device, a pressing roller connecting plate is arranged on the outer side of each pressing roller, a pressing soil scraping knife arranged below the rear part of each pressing roller, and a chain transmission mechanism arranged on the outer side of each pressing roller, the two pressing rollers are connected through a concentric shaft, a rubber disc is fixedly connected to the middle of the concentric shaft, the rubber disc is in contact with the step surface on the rear part of the furrow repairing device, and the left end and the right end of the pressing soil scraping knife are fixedly connected with the rear end of the pressing roller connecting plate respectively;
the chain transmission mechanism comprises a double-row chain wheel I fixedly connected on a transition shaft I, a chain wheel V fixedly connected on a press shaft and a chain III connecting the double-row chain wheel I and the chain wheel V, and the transition shaft I, a press roller connecting plate and the rear part of the longitudinal beam form a rotary connection coaxial line; the pressing shaft, the pressing roller, the rubber disc and the concentric shaft are coaxially arranged.
Furthermore, the fertilizer applying device comprises two fertilizer boxes respectively arranged on the left cover plate and the right cover plate, a transmission long shaft penetrating through the two fertilizer boxes, fertilizer distributors which are arranged in each fertilizer box at equal intervals and are arranged on the transmission long shaft, and fertilizer spreaders of which the number is the same as that of the fertilizer distributors, wherein the two fertilizer boxes are arranged in the front part of the rack in a bilateral symmetry manner; the fertilizer distributor and the fertilizer spreaders are arranged in a one-to-one correspondence manner, a fertilizer outlet of the fertilizer distributor is arranged in a cavity at the upper end of the inclined fertilizer distributor, and the bottom end of the lower part of the fertilizer distributor is fixedly connected with the rear end face of the beam II; the right end of the transmission long shaft is fixedly connected with the fertilizer quantity regulator, and the left end of the transmission long shaft is fixedly connected with the fertilizer discharging driving chain wheel through a bearing and a bearing seat.
Furthermore, the seeding device comprises three seed boxes which are vertically and uniformly arranged at the rear part of the rack side by side; a transmission short shaft is arranged under each seed box, seed metering devices with the number equal to that of the seeding hoses are fixedly connected to each transmission short shaft, seed metering ports of the seed metering devices are fixedly connected with the seeding hoses in a one-to-one correspondence manner, the front end of each transmission short shaft is fixedly connected with a seed quantity regulator, and the rear end of each transmission short shaft is rotationally connected with a rear seed box supporting metal plate through a bearing and a bearing seat;
the middle of the transmission short shaft under the seed box is fixedly connected with a seed feeding driving sprocket I and a seed feeding driving sprocket II respectively, the middle of the transmission short shaft under the seed box is fixedly connected with a seed feeding driving double-row sprocket, the seed feeding driving sprocket I, the chain VI and the seed feeding driving double-row sprocket form a chain transmission mechanism, and the seed feeding driving sprocket II, the chain VII and the seed feeding driving double-row sprocket form a chain transmission mechanism.
Furthermore, the front end of the furrow repairing device is fixedly connected to the rear end face of the middle part of the frame beam IV, and the rear end of the furrow repairing device is fixedly connected to the front end face of the middle part of the frame beam V; the front end of the furrow repairing device is of a V-shaped structure.
Furthermore, the rotary radius of the rotary blade is 20-30 mm smaller than that of the stubble cutting disc, the distance between the soil diffusion baffle and the stubble cutting disc is 10-15 mm,
further, the adjacent angles of the strip-shaped scrapers are 30-60 degrees.
Compared with the prior art, the invention has the following advantages:
1. the stubble cutting and ditching device adopts the combined operation of the stubble cutting disc and the rotary blade, the stubble cutting disc cuts off rice stubbles to avoid winding the stubble cutting and ditching device, the rotary blade ditches and throws soil and the cut rice stubbles, under the action of the upper arc baffle and the lower arc baffle, the soil and rice straw stubble cutting and ditching device is diffused towards two sides, and the stability of the subsequent seeding depth is utilized;
2. the anti-winding and anti-breaking throwing device adopts the combined operation of an anti-winding knife and a breaking throwing knife, and the anti-winding knife reduces the rice stubble winding and anti-breaking throwing device; the cutting edge curve of the breaking and throwing cutter is an eccentric arc, so that the cutting edge is prolonged, and stubble breaking is facilitated; bending angle of breaking and throwing knife
Figure BDA0002254007140000051
The angle is 5-15 degrees, the soil throwing amount is reduced, the subsequent seed soil covering thickness is 20-30 mm, in addition, the crushing and throwing cutter adopts a symmetrical structure, one side is worn, and the other side can be replaced to work, so the operation cost is saved;
3. the middle and small wheat sowing pipes of the clay strip scattering prevention device guide seeds from the outer side, so that the impact of soil scattered by the crushing and throwing knife and straws with seed flow is avoided, and meanwhile, the long strip-shaped scraper reciprocates, so that the soil adhered to the sleeve is reduced, and the sowing quality is further improved;
4. the furrow repairing device is adopted, so that the depth and width uniformity of the furrow after operation are good;
5. the ditcher is removed by the machine tool, so that the contact with soil and rice stubble is avoided, and the adhesion of soil and the winding of rice stubble are reduced.
Drawings
FIG. 1 is a schematic view of a three-dimensional structure of an anti-tangling, soil covering, fertilizing and seeding machine for wheat strips in a rice stubble field;
FIG. 2 is a perspective view of the frame;
FIG. 3 is a schematic perspective view of a stubble cutting and furrowing device;
FIG. 4 is a schematic perspective view of the anti-winding, anti-breaking and anti-throwing device;
FIG. 5 is a schematic perspective view of a breaking and polishing unit;
FIG. 6 is a schematic view of a structure of a breaking and throwing knife;
FIG. 7 is a schematic perspective view of an anti-sticking soil bar spreading device;
FIG. 8 is a schematic view of a furrow repairing apparatus;
FIG. 9 is a schematic view of a main structure of the soil bar sticking prevention scattering body;
FIG. 10A is a schematic view of a working process of the anti-sticking soil strip spreading body adhering soil;
FIG. 10B is a schematic view of the anti-sticking soil bar spreading body scraping adhered soil;
FIG. 11 is a perspective view of the scraping and pressing device;
fig. 12 is a schematic perspective view of the fertilizer application device;
FIG. 13A is a perspective view of the seeding apparatus;
FIG. 13B is a partially enlarged schematic view of the seeding apparatus;
FIG. 14 is a schematic view of the power transmission of the whole machine.
In the figure, 1, 101, cross beams I, 102, cover plates, 103, longitudinal beams, 104, cross beams II, 105, V-shaped fixing frames, 106, pull rods, 107, side plates, 108, depth limiting plates, 109, seed box longitudinal supports II, 110, seed box long cross beams, 111, soil retaining plates, 112, hinged plates, 113, cross beams V, 114, seed box supports, 115, seed box longitudinal supports I, 116, cross beams IV, 117, short connecting rods, 118, cross beams III, 119, rectangular holes, 120, long connecting rods, 121, suspension frames, 2, main and auxiliary gear box combinations, 201, main gear boxes, 202 couplings, 203-auxiliary gear box, 3-stubble cutting and ditching device, 301-connecting plate, 302-stubble cutting cutter head, 303-chain wheel I, 304-rotary tillage cutter, 305-rotary tillage cutter seat, 306-stubble cutting disk, 307-cutter seat supporting plate, 308-transmission shaft, 309-lower arc baffle, 310-upper arc baffle, 311-furrow shaping box, 312-first fixing plate, 313-second fixing plate, 314-angle steel, 315-chain wheel II, 316-chain I, 4-fertilizing device, 401-fertilizer discharging driving chain wheel, 402-chain IV, 403-double-row chain wheel II, 404-transition shaft II, 405-chain V, 406-fertilizer spreader, 407-fertilizer quantity regulator, 408-fertilizer applicator, 409-fertilizer box, 410-hexagonal transmission long shaft, 411-fertilizer box support sheet metal, 5-seeder, 501-seed feed drive sprocket I, 502-chain VI, 503-seed box power output sprocket, 504-chain VIII, 505-seed feed drive duplex sprocket, 506-chain VII, 507-seed box support sheet metal, 508-seed box, 509-seed feeder, 510-hexagonal transmission short shaft, 511-seed quantity regulator, 512-seed feed drive sprocket II, 513-chain IX, 514-seed box power input sprocket, 515-switching sprocket II, 516-vertical bearing seat II, 517-switching chain wheel I, 518-bevel gear, 519-switching shaft I, 520-switching shaft II, 6-anti-winding and anti-breaking device, 61-breaking and throwing monomer, 611-breaking and throwing knifeA disk, 612-a crushing and throwing knife,
Figure BDA0002254007140000061
bending angle, a-cutting edge angle, h-cutting edge thickness, 62-cutter shaft, 63-anti-winding cutter, 7-anti-sticking soil bar spreading device, 71-universal transmission mechanism, 72-vertical bearing seat I, 73-chain wheel III, 74-universal transmission shaft, 75-chain II, 76-chain wheel IV, 77-turntable shaft, 78-anti-sticking soil bar spreading main body, 781-turntable, 782-strip scraper, 783-fixing sleeve, 784-spreading pipe, 785-rolling bearing, 786-rolling cylindrical shaft, 787-sowing hose, 788-straight groove swing rod, A-adhesion soil, 8-furrow repairing device, 801-baffle, 802-V-configuration, 9-scraping and compacting device, 901-double sprocket I, 902-transition shaft I, 903-chain III, 904-sprocket V, 905-compacting shaft, 906-compacting roll connection plate, 907-compacting and compacting scraper, 908-compacting roll, 909-rubber disc, 910-concentric shaft.
Detailed Description
The invention is described in further detail below with reference to the figures and the specific embodiments.
The anti-winding and anti-sticking wheat strip scattering, earthing, fertilizing and seeding machine comprises a frame 1, a main and auxiliary gearbox combination 2, a stubble cutting and ditching device 3, a fertilizing device 4, a seeding device 5, two anti-winding and anti-breaking and throwing devices 6, two anti-clay strip scattering devices 7, a furrow repairing device 8 and a soil scraping and pressing device 9, wherein according to the position of the frame 1, the main and auxiliary gearbox combination 2 is located in the middle of the front portion of the frame 1, the furrow repairing device 8 is arranged right behind the main and auxiliary gearbox combination 2, the fertilizing device 4 is arranged at the front portion of the frame 1, the seeding device 5 is arranged at the rear portion of the frame 1, meanwhile, the seeding device 5 is arranged right behind the fertilizing device 4 and right above the furrow repairing device 8, and the stubble cutting and ditching combination 3, the anti-winding and anti-breaking and throwing devices 6, the anti-sticking soil strip scattering devices 7 and the soil scraping and pressing device 9 are sequentially arranged below the frame.
As shown in fig. 2, the frame 1 includes a frame, a beam assembly and a suspension assembly. The frame is formed by enclosing a cross beam I101, a cross beam V113 and a left longitudinal beam 103 and a right longitudinal beam 103; the beam assembly comprises a beam II 104, a beam III 118, a beam IV 116 and a beam V113 which are fixedly connected to the frame in sequence from front to back; the suspension bracket assembly comprises a front suspension bracket 121 and a rear suspension bracket positioned right behind the suspension bracket 121, the front suspension bracket 121 comprises a middle front part arranged on the frame-shaped bracket, and the left and right lower fixed points of the suspension bracket 121 are fixedly connected with the front end surface of the cross beam I101; the rear suspension comprises a V-shaped fixing frame 105, a left pull rod 106, a right pull rod 106, a short connecting rod 117 and a long connecting rod 120, wherein the left end and the right end of the V-shaped fixing frame 105 are hinged with a cross beam III 118 through hinge plates 112 fixedly connected to the upper end surface of the cross beam III 118, the front end of the left pull rod 106 and the front end of the right pull rod 106 are hinged with the rear end of the V-shaped fixing frame 105, the outer sides of the rear ends of the left pull rod 106 and the right pull rod 106 are hinged with a cross beam IV 116 through hinge plates 112 fixedly connected to the upper end surface of the cross beam IV 116, the front end of the short connecting rod 117 is hinged with the rear end of the V-shaped fixing frame 105. In addition, the device also comprises a left cover plate 102, a right cover plate 102, a left side plate 107, a right side plate 111, a left retaining plate 111 and two symmetrically arranged left and right supporting seats, wherein the left cover plate 102 and the right cover plate are symmetrically arranged between the cross beam I101 and the cross beam II 104; the outer ends of the left and right cover plates 102 are fixedly connected with the inner sides of the left and right longitudinal beams 103 respectively, and the right part of the left cover plate is provided with a rectangular hole 119; the lower ends of the left side plate 107 and the right side plate 107 are fixedly connected with a depth limiting plate 108 through a screw; the left and right supporting seats are rectangular supporting seats surrounded by upper and lower seed box longitudinal supports I115 and front and rear seed box supports 114, the lower ends of the left and right supporting seats are fixedly connected with the upper ends of left and right longitudinal beams 103 respectively, a front and rear seed box long cross beam 110 and a left and right seed box longitudinal support II 109 form a seed box supporting frame, and the lower end of the seed box supporting frame is fixedly connected with the upper ends of the left and right rectangular supporting seats respectively; the front ends of the left and right retaining plates 111 are respectively fixedly connected with the rear ends of the left and right supporting seats, the rear ends of the left and right retaining plates 111 are respectively fixedly connected with the upper end surface of the cross beam V113, and the outer sides of the left and right retaining plates 111 are respectively fixedly connected with the inner sides of the left and right longitudinal beams 103. As shown in fig. 8, the front end of the furrow repairing device 8 is fixedly connected to the rear end face of the middle of the beam IV 116, and the rear end of the furrow repairing device 8 is fixedly connected to the front end face of the middle of the beam V113. The front end of the furrow repairing device 8 is provided with a V-shaped structure 802, which is beneficial to transferring a small amount of soil in the furrow formed by the stubble cutting and ditching device 3 to two sides; the baffles 801 at two sides of the furrow repairing device 8 prevent soil and rice stubbles thrown to the rear of the machine by the anti-winding and throwing device 6 from entering the furrow, and meanwhile squeeze the sticky furrow wall to further trim the furrow, so that the depth and width uniformity of the furrow after operation are good.
The main-auxiliary gearbox combination 2 comprises a main gearbox 201 and an auxiliary gearbox 203, and a rear output shaft of the main gearbox 201 is connected with a front input shaft of the auxiliary gearbox 203 through a coupler 202.
Referring to fig. 3, the stubble cutting and furrowing device 3 comprises a rotation system, a chain transmission mechanism, a stubble cutting disc assembly and a furrow shaping box 311. The rotating system comprises a left connecting plate 301, a right connecting plate 301 and a transmission shaft 308, the upper ends of which are fixedly connected to the lower end of the main gearbox 201, and the left end and the right end of the transmission shaft 308 are respectively connected with the left connecting plate 301 and the right connecting plate 301 through bearings and bearing seats; the chain transmission mechanism comprises a chain wheel I303 fixed on the end surface of the right end of the transmission shaft 308, a chain wheel II 315 fixed on the right output transmission shaft of the main gearbox 201, and a chain I316 used for connecting the chain wheel I303 and the chain wheel II 315, wherein the chain I316 passes through the rectangular hole 119 of the left cover plate; the stubble cutting disc assembly comprises a stubble cutting disc 306 arranged on the symmetrical central plane of the left connecting plate 301 and the right connecting plate 301, left and right stubble cutting discs 302 welded on the transmission shaft 308, each stubble cutting disc 302 is fixedly connected with a cylindrical blade holder supporting disc 307, 4-6 rotary blade holders 305 are uniformly distributed on the cylindrical surface of each cylindrical blade holder supporting disc 307, 16-24 circular-arc notches are uniformly distributed on the outer edge of the stubble cutting disc 306, each rotary blade holder 305 is fixedly connected with a rotary blade 304 through bolts, the tangent part of the rotary blade 304 faces the outer side, and the radius of the rotary blade 304 is 20-30 mm smaller than that of the stubble cutting disc 306; in addition, the upper arc baffle 310 and the lower arc baffle 309 which are positioned right behind the stubble cutting disc 306 form a soil diffusion baffle, the distance between the soil diffusion baffle and the stubble cutting disc 306 is 10-15 mm, the cross sections of the upper arc baffle 310 and the lower arc baffle 309 are of a V-shaped structure, and soil and rice straws are diffused towards two sides; the upper end of the front part of the furrow shaping box body 311 is fixedly connected with the lower end of the first fixing plate 312, the front end of the furrow shaping box body 311 is fixedly connected with the lower arc baffle 309, the upper end of the first fixing plate 312 is fixedly connected with angle steel 314 welded at the lower end of the cross beam III 118 through bolts, the front end of the first fixing plate 312 is fixedly connected with the rear end of the middle part of the upper arc baffle 310, and the rear end of the second fixing plate 313 is fixedly connected with the front end of the lower part of the auxiliary gearbox 203. The stubble cutting and ditching device 3 adopts the combination operation of the stubble cutting disc 306 and the rotary blade 304, the stubble cutting disc 306 cuts off rice stubbles, the number of the rice stubbles is reduced and the stubble is wound on the transmission shaft 308 and the rotary blade holder 305, the rotary blade 304 ditches and throws soil and the cut-off rice stubbles, and under the action of the upper arc baffle 310 and the lower arc baffle 309, the soil and rice straw stubble cutting and ditching device 3 is uniformly diffused towards two sides, so that the soil and the rice stubbles are prevented from being accumulated on two sides of the furrow shaping box body 311, and the stability. The stubble cutting disc 306 and the rotary tillage blades 304 are combined to work to form an initial furrow on the ground surface, and the furrow shaping box body 311 extrudes wet and sticky soil through the side wall and the lower end to carry out 1 st shaping and trimming on the initial furrow, so that the resistance of the lower end of the auxiliary gearbox 203 to enter the soil is reduced.
As shown in fig. 4, the two anti-winding and anti-breaking devices 6 are symmetrically arranged right and left below the rectangular frame formed by the cross beam III 118, the cross beam IV 116 and the longitudinal beam 103; the anti-winding and anti-breaking device 6 comprises breaking and throwing monomers 61, a cutter shaft 62 and an anti-winding cutter 63, wherein the cutter shaft 62 is axially fixedly connected with 8-12 groups of breaking and throwing monomers 61, and a pair of anti-winding cutters 63 is fixedly connected between adjacent breaking and throwing monomers 61 through bolts; the inner side end of the cutter shaft 62 is rotationally connected with the auxiliary gearbox 203 through a coupler, and the two outer side ends of the cutter shaft 62 are rotationally connected with the lower parts of the left side plate 107 and the right side plate 107 through flanges, bearings and bearing seats respectively; as shown in fig. 5 and 6, each group of the crushing and throwing monomers 61 includes a crushing and throwing cutter head 611 and crushing and throwing knives 612, 2 to 4 crushing and throwing knives 612 are fixedly connected to the left and right sides of the crushing and throwing cutter head 611 at equal angles through bolts, respectively, the bending directions of the crushing and throwing knives 612 on the left and right sides are opposite, and the bending angles are opposite
Figure BDA0002254007140000101
Is 5 to 15 degrees; in the embodiment, the cutting edge curve of the breaking throwing knife 612 is an eccentric arc, the cutting edge is prolonged, stubble breaking is facilitated, the cutting edge angle a is 10-30 degrees, and the edge thickness h is 1-2 mm. The anti-winding and anti-crushing throwing device 6 adopts the combined operation of the anti-winding knife 63 and the crushing throwing knife 612, and the anti-winding knife 63 reduces the rice stubble from winding the anti-winding and anti-crushing throwing device 6; the cutting edge curve of the breaking and throwing knife 612 is an eccentric arc, so that the cutting edge is prolonged, and stubble breaking is facilitated; bend angle of the breaking and throwing knife 612
Figure BDA0002254007140000102
The soil throwing amount is reduced by 5-15 degrees, so that the subsequent seed covering thickness is 20-30 mm; in addition, the breaking and polishing knife 612 adopts a symmetrical structure and is ground at one sideThe other side of the damage and replacement can work, and the operation cost is saved.
Referring to fig. 7, the two clay bar scattering prevention devices 7 are symmetrically distributed with the central plane of the whole machine as a symmetrical plane, and the sub-transmission 203 and the furrow repairing device 8 are located between the two clay bar scattering prevention devices 7. The clay strip scattering prevention device 7 comprises a universal transmission mechanism 71, a universal transmission shaft 74, a turntable shaft 77 and two sets of clay strip scattering prevention main bodies 78. The inner side of the universal transmission mechanism 71 is fixedly connected with an output shaft of the auxiliary gearbox 203, and two outer sides of the universal transmission mechanism 71 are respectively fixedly connected with the universal transmission shaft 74; the outer end of each universal transmission shaft 74 is rotationally connected with the longitudinal beam 103 through a vertical bearing seat I72 fixed on the longitudinal beam 103, the left end and the right end of a turntable shaft 77 are rotationally connected with a left side plate 107 and a right side plate 107, the left shaft end and the right shaft end of the universal transmission shaft 74 are fixedly connected with a chain wheel III 73, the left shaft end and the right shaft end of the turntable shaft 77 are fixedly connected with a chain wheel IV 76, and the chain wheel III 73 and the chain wheel IV 76 form a chain transmission mechanism through a; each set of the clay-preventing bar scattering bodies 78 is placed at the rear of the side plate 107, and one end of each set of the clay-preventing bar scattering bodies 78 is installed on the side plate and the other end is installed in the furrow repairing device 8.
As shown in fig. 9, each set of clay strip scattering prevention main body 78 includes a turntable 781 fixedly connected to the turntable shaft 77 and disposed inside the side plate 107, a fixed sleeve 783, scattering pipes 784 fixedly connected to the rear lower portion of the fixed sleeve 783 and arranged at equal intervals, a seeding hose 787 passing through the inner cavity of the fixed sleeve 783, and a plurality of elongated scrapers 782 arranged on the front upper surface of the cylinder of the fixed sleeve 783 along the circumferential direction of the fixed sleeve 783, and the adjacent angles are 30 ° to 60 °. One end of a fixed sleeve 783 is fixedly connected to the side plate 107 through a rolling bearing 785, the other end of the fixed sleeve is fixedly connected to the furrow repairing device 8 through the rolling bearing 785, each sowing pipe 784 is fixedly connected with a sowing hose 787 penetrating through an inner cavity of the fixed sleeve 783, and the left end and the right end of a long-strip-shaped scraper 782 are fixedly connected to the inner side of an outer ring of the rolling bearing 785 and rotatably connected with the fixed sleeve 783; a rolling cylindrical shaft 786 fixedly connected on the inner side surface of the turntable 781 and a straight groove swing rod 788 fixedly connected on the outer ring of the rolling bearing 785 form a roller pair. The anti-winding broken throwing device 6 throws soil and rice stubbles to the rear of the machine tool, one part of the soil and rice stubbles falls behind the fixed sleeve 783 and uniformly covers the seeds which flow out from the outer side of the wheat sowing pipe 784, so that the soil and the rice stubbles thrown by the broken throwing knife 612 are prevented from colliding with the seed flow, and the sowing uniformity is further improved; the other part of the soil falls on the front cylindrical surface of the fixed sleeve 783, and as shown in fig. 10A and 10B, when the rotary disc 781 rotates, the long strip-shaped scraper 782 is driven by the rolling cylindrical shaft 786, the straight groove swing rod 788 and the rolling bearing 785 to reciprocate and circularly swing on the surface of the fixed sleeve 783, so that the adhered soil a thrown on the front cylindrical surface of the fixed sleeve 783 by the anti-winding and anti-breaking device 6 is scraped, the adhered soil of the fixed sleeve 783 is reduced, and the passing performance of the machine is improved.
As shown in fig. 11, the scraping and compacting device 9 includes two compacting rollers 908 symmetrically disposed at left and right sides of the furrow repairing device 8, a compacting roller connecting plate 906 disposed at an outer side of each compacting roller 908, a compacting scraping knife 907 disposed at a rear lower side of each compacting roller 908, and a chain transmission mechanism disposed at an outer side of each compacting roller 908. The two press rolls 908 are connected through a concentric shaft 910, a rubber disc 909 is fixedly connected to the middle of the concentric shaft 910, and the rubber disc 909 is in contact with the step surface at the rear part of the furrow repairing device 8; the front part of the press roller connecting plate 906 is rotationally connected with the rear part of the longitudinal beam 103, and the rear part of the press roller connecting plate 906 is rotationally connected with the press roller 908 through a bearing and a bearing seat; the left end and the right end of the press scraper 907 are fixedly connected with the rear end of the press roller connecting plate 906 respectively to scrape off soil and seeds adhered to the press roller 908, and meanwhile, the press scraper 907 is arranged at the rear lower part of the press roller 908 to facilitate the scraping of the soil and seeds adhered to the press roller 908 to fall back to the original position; the chain transmission mechanism comprises a double-row chain wheel I901 fixedly connected on a transition shaft I902, a chain wheel V904 fixedly connected on a ballast shaft 905, and a chain III 903 for connecting the double-row chain wheel I901 and the chain wheel V904, wherein the transition shaft I902, a ballast roller connecting plate 906 and the rear part of the longitudinal beam 103 form a rotating connection coaxial line; the pressing shaft 905, the pressing roller 908, the rubber disk 909, and the concentric shaft 910 are coaxially arranged.
As shown in fig. 12, the fertilizer applying device 4 includes two fertilizer boxes 409 respectively disposed on the left and right cover plates 102, a transmission long shaft 410 passing through the two fertilizer boxes 409, fertilizer applicators 408 equally spaced and mounted on the transmission long shaft 410 and fertilizer spreaders 406 equal in number to the fertilizer applicators 408 and disposed in each fertilizer box 409, wherein the two fertilizer boxes 409 are symmetrically disposed at the front of the frame 1 (i.e., the main and auxiliary transmission assemblies 2 are disposed between the two fertilizer boxes 409); the fertilizer applicators 408 and the fertilizer spreaders 406 are arranged in a one-to-one correspondence manner, fertilizer outlets of the fertilizer applicators 408 are arranged in cavities at the upper ends of the obliquely arranged fertilizer spreaders 406, the bottom ends of the lower parts of the fertilizer spreaders 406 are fixedly connected with the rear end faces of the beams II 104, and fertilizer flows from the cavities at the lower ends of the fertilizer spreaders 406 to gaps between the beams II 104 and III 118. An outer fertilizer box supporting metal plate 411 of the fertilizer box 409 is fixedly connected to the longitudinal beam 103, and an inner fertilizer box supporting metal plate 411 of the fertilizer box 409 is fixedly connected to the cover plate 102. The right end of a transmission long shaft 410 is fixedly connected with a fertilizer quantity regulator 407, the left end of the transmission long shaft 410 is fixedly connected with a fertilizer discharging driving chain wheel 401 through a bearing and a bearing seat, the fertilizer discharging driving chain wheel 401, a chain IV402 and a double-row chain wheel II 403 fixedly connected on a transition shaft II 404 form a chain transmission mechanism, and the transition shaft II 404 is arranged right below the fertilizer discharging driving chain wheel 401 and is in rotary connection with the longitudinal beam 103; the double-row chain wheel II 403, the chain V405 and the double-row chain wheel I901 form a chain transmission mechanism.
As shown in fig. 13A, the seeding apparatus 5 includes three seed boxes 508 vertically and uniformly installed side by side at the rear part of the rack 1, the three seed boxes 508 are placed above the seed box long beam 110 and the seed box longitudinal support II 109 to form a seed box support frame, and the front and rear ends of each seed box 508 are fixedly connected to the upper end face of the seed box long beam 110 through a seed box support sheet 507. A transmission short shaft 510 is arranged under each seed box 508, the number of seed sowing devices 509 equal to the number of the seeding hoses 787 are fixedly connected to each transmission short shaft 510, the seed sowing ports of the seed sowing devices 509 are fixedly connected with the seeding hoses 787 in a one-to-one correspondence manner, the front end of each transmission short shaft 510 is fixedly connected with a seed amount regulator 511, and the rear end of each transmission short shaft 510 is rotationally connected with a rear seed box support metal plate 507 through a bearing and a bearing seat;
the middle parts of the transmission short shafts 510 right below the seed boxes 508 on the left side and the right side are fixedly connected with a seed sowing driving chain wheel I501 and a seed sowing driving chain wheel II512 respectively, the middle parts of the transmission short shafts 510 right below the middle seed box 508 are fixedly connected with a seed sowing driving double-row chain wheel 505, the seed sowing driving chain wheel I501, the chain VI 502 and the seed sowing driving double-row chain wheel 505 form a chain transmission mechanism, and the seed sowing driving chain wheel II512, the chain VII 506 and the seed sowing driving double-row chain wheel 505 form a chain transmission.
Referring to fig. 13B, the adapting chain wheel I517 is rotatably connected with a front vertical bearing seat II 516 and a rear vertical bearing seat II 516 which are fixedly connected on the steps of the furrow repairing device 8 through an adapting shaft I519; the switching chain wheel II 515 is rotationally connected with a front vertical bearing seat II 516 and a rear vertical bearing seat II 516 which are fixedly connected on the steps of the furrow repairing device 8 through a switching shaft II 520; the rear end of the adapter shaft I519 and the right end of the adapter shaft II520 are fixedly connected with a bevel gear 518, and the two bevel gears 518 form a bevel gear transmission mechanism; the switching chain wheel I517, the chain VIII 504 and a box power output chain wheel 503 fixedly connected at the rear end part of a transmission short shaft 510 right below the middle box 508 form a chain transmission mechanism; the transfer chain wheel II 515, the chain IX 513 and the seed box power input chain wheel 514 fixedly connected to the middle part of the concentric shaft 910 form a chain transmission mechanism; the coaxial line of the transfer shaft II520 and the transition shaft I902 ensures that the chain IX 513 is matched with the transfer chain wheel II 515 and the seed box power input chain wheel 514 when the soil scraping and pressing device 9 is lifted and pressed, and chain separation is avoided.
The power transmission relation of the anti-winding wheat strip scattering earthing fertilizing seeder in the rice stubble field is as follows: referring to fig. 14, the power output shaft of the tractor drives the main gearbox 201 to work in two ways, and the output shaft on the left side of one way of the main gearbox 201 drives the chain transmission mechanism consisting of the chain wheel II 315 and the chain I316, so that the transmission shaft 308 rotates forward; the rear output shaft of the other path of main gearbox 201 drives the auxiliary gearbox 203 to work through the coupler 202; the power output of the auxiliary gearbox 203 is divided into two paths, one path is that the output shafts on the left side and the right side drive a turntable 781 to rotate through a chain transmission mechanism consisting of a universal transmission mechanism 71, a chain wheel III 73, a chain II 75 and a chain wheel IV 76, and the turntable 781 drives a straight groove swing rod 788 to enable a strip-shaped scraper 782 to reciprocate; the lower output shaft of the other auxiliary gearbox 203 drives the left cutter shaft 62 and the right cutter shaft 62 to rotate positively; the machine tool moves forwards to enable the press roller 908 to roll, the press roller is divided into two paths to drive the fertilizing device 4 and the seeding device 5 to work, one path of press roller 908 passes through a chain transmission mechanism consisting of a double-row chain wheel I901, a chain III 903 and a chain wheel V904, a chain transmission mechanism consisting of a double-row chain wheel II 403, a chain V405 and a double-row chain wheel I901, and a chain transmission mechanism consisting of a fertilizer discharging driving chain wheel 401, a chain IV402 and a double-row chain wheel II 403, and drives a hexagonal transmission long shaft 410 to rotate to realize fertilizer discharging operation; the other pressing roller 908 drives the seeding driving double-row sprocket 505 to rotate to enable the middle seeding device 5 to work through a chain transmission mechanism consisting of a switching sprocket II 515, a chain IX 513 and a seed box power input sprocket 514, a bevel gear 518 and a chain transmission mechanism consisting of a switching sprocket I517, a chain VIII 504 and a seed box power output sprocket 503, and simultaneously drives the left and right seeding devices 5 to work through the chain transmission mechanism consisting of the seeding driving sprocket I501, the chain VI 502 and the seeding driving double-row sprocket 505, the seeding driving sprocket II512, the chain VII 506 and the seeding driving double-row sprocket 505.
In this embodiment, as shown in fig. 5, the cutting edges of the breaking and throwing blades 612 are symmetrical; as shown in fig. 4 and 11, the cutting edge angles of the anti-tangling cutter 63 and the compacting scraper 907 are 15 to 30 degrees; as shown in fig. 1, the rear end of the short connecting rod 117 is hinged with the middle part of the upper end of the auxiliary gearbox 203; as shown in fig. 3 and 10, the lower end surfaces of the furrow shaping box 311 and the furrow repairing device 8 are of a V-shaped structure, the interior of the furrow shaping box is of a cavity structure, and the transverse width of the furrow shaping box is 180-220 mm; as shown in fig. 9, the adjacent distance of the seeding pipes 784 is 150-250 mm; as shown in FIG. 12, the adjacent distance of the fertilizer spreaders 406 is 150 to 250 mm.
When wheat is sowed after rice harvesting, a rear three-point suspension device of the tractor is connected with the machine tool suspension frame 121 in a hanging mode, and a rear output shaft is connected with a power input shaft at the front end of the main gearbox 201 through a universal transmission shaft. The tractor drives the machine tool to do linear motion at a constant speed, the main gearbox 201 drives the stubble cutting disc 306 to cut off the rice stubbles through a left-side chain transmission mechanism, and under the action of the upper arc baffle 310 and the lower arc baffle 309, the rotary tillage blades 304 throw the cut-off rice stubbles and soil to the right front of the uniform anti-winding and anti-crushing throwing device 6 to form a furrow. The fertilizer quantity regulator 407 is regulated according to the required fertilizer, and the fertilizer is spread to the front part of the anti-winding, breaking and throwing device 6 through a fertilizer distributor and a fertilizer spreader 408. The auxiliary gear box 203 drives the anti-winding broken throwing device 6 to work, rice stubbles are cut off under the sliding cutting action of the broken throwing knife 612, meanwhile, fertilizers, the rice stubbles and soil are thrown to the rear of the machine tool, and the anti-winding knife 63 reduces the rice stubbles winding knife shaft 62. The three seed quantity regulators 511 are regulated according to the required wheat seed quantity, the wheat seeds flow to the rear part of the fixed sleeve 783 through the seed sowing device 509, the sowing hose 787 and the sowing pipe 784 to form a seed belt on the cultivated ground surface, and the fertilizer, rice stubbles and soil thrown by the front breaking and throwing knife 612 are uniformly covered on the seeds on the ground surface. The reciprocating elongated scraper 782 removes soil adhered to the front of the fixed sleeve 783. Under the action of the furrow repairing device 8, the furrow which is finished by the stubble cutting and ditching device is repaired to form a regular furrow. The earth scraping and pressing device 9 at the rear of the machine tool compacts the earth surface, so that the seedbed after sowing forms a structure of upper virtual and lower real, and the earth and seeds adhered to the pressing roller 908 are scraped by the pressing and soil scraping knife 907, so that the earth and seeds adhered to the pressing roller 908 fall back to the original position. The machine tool works to realize functions of ditching, fertilizing, seeding, furrow repairing, compacting and the like, reduces rice stubble winding and soil adhesion, and improves seeding quality and operation efficiency.

Claims (10)

1. The utility model provides a rice stubble field is prevented twining and is glued wheat strip and spills earthing fertilizing and seeding machine, includes frame (1), major-minor gearbox combination (2), cuts stubble ditching device (3), fertilizer injection unit (4), seeder (5), two prevent that the clay strip spills device (7), furrow trimming device (8) and scrape native suppression device (9), major-minor gearbox combination (2) are located the positive centre of frame (1) front portion, the furrow trimming device (8) is arranged in the major-minor gearbox combination (2) dead astern, frame (1) front portion is arranged in to fertilizer injection unit (4), seeder (5) are installed at the rear portion of frame (1), cut stubble ditching combination (3), antiseized soil strip spills device (7) and scrape native suppression device (9) and arrange frame (1) below in proper order in the past backward order, major-minor gearbox combination (2) include main gear box (201) and vice gearbox (203), the rear output shaft of the main gearbox (201) is connected with the front input shaft of the auxiliary gearbox (203) through a coupler (202); the method is characterized in that: ,
the two clay strip scattering prevention devices (7) are symmetrically distributed in the left-right direction by taking the central plane of the whole machine as a symmetrical plane, and each clay strip scattering prevention device (7) comprises a universal transmission mechanism (71), a universal transmission shaft (74), a turntable shaft (77) and two clay strip scattering prevention main bodies (78); the inner side of the universal transmission mechanism (71) is fixedly connected with an output shaft of the auxiliary gearbox (203), and two outer sides of the universal transmission mechanism (71) are fixedly connected with a universal transmission shaft (74) respectively; the outer end of each universal transmission shaft (74) is rotatably connected with a longitudinal beam (103) of the rack (1) through a vertical bearing seat I (72), and the left end and the right end of the turntable shaft (77) are rotatably connected with left side plates (107) and right side plates (107) of the rack (1); the left shaft end and the right shaft end of the universal transmission shaft (74) are fixedly connected with a chain wheel III (73), the left shaft end and the right shaft end of the turntable shaft (77) are fixedly connected with a chain wheel IV (76), and the chain wheel III (73) and the chain wheel IV (76) form a chain transmission mechanism through a chain II (75);
each set of the clay bar scattering prevention main body (78) is arranged at the rear part of the side plate (107), and each set of the clay bar scattering prevention main body (78) comprises a turntable (781) fixedly connected with a turntable shaft (77), a fixed sleeve (783), scattering pipes (784) fixedly connected to the rear lower part of the fixed sleeve (783) and arranged at equal intervals, a seeding hose (787) penetrating through the inner cavity of the fixed sleeve (783), and a plurality of strip-shaped scrapers (782) arranged on the front upper surface of the cylinder of the fixed sleeve (783) along the circumferential direction of the fixed sleeve (783); one end of the fixed sleeve (783) is fixedly connected to a side plate (107) of the rack (1) through a rolling bearing (785), the other end of the fixed sleeve is fixedly connected to the furrow repairing device (8) through the rolling bearing (785), each sowing pipe (784) is fixedly connected with a sowing hose (787) penetrating through an inner cavity of the fixed sleeve (783), and the left end and the right end of the strip-shaped scraper (782) are fixedly connected to the inner side of an outer ring of the rolling bearing (785) and are rotatably connected with the fixed sleeve (783); a rolling cylindrical shaft (786) fixedly connected on the inner side surface of the turntable (781) and a straight groove swing rod (788) fixedly connected on the outer ring of the rolling bearing (785) form a roller pair.
2. The anti-tangling wheat strip soil-covering, fertilizing and seeding machine for the rice stubble field as claimed in claim 1, characterized in that: the stubble cutting and ditching device (3) comprises a rotating system, a chain transmission mechanism, a stubble cutting disc component and a furrow shaping box body (311); the rotating system comprises a left connecting plate (301) and a right connecting plate (301) which are fixedly connected with the lower end of the main gearbox (201) at the upper ends, and a transmission shaft (308), wherein the left end and the right end of the transmission shaft (308) are respectively connected with the left connecting plate (301) and the right connecting plate (301) through bearings and bearing seats; the chain transmission mechanism comprises a chain wheel I (303) fixed on the end face of the right end of the transmission shaft (308), a chain wheel II (315) fixed on the right output transmission shaft of the main gearbox (201), and a chain I (316) used for connecting the chain wheel I (303) and the chain wheel II (315); the stubble cutting disc assembly comprises a stubble cutting disc (306) arranged on the symmetrical central plane of a left connecting plate and a right connecting plate (301), a left stubble cutting disc (302) and a right stubble cutting disc (302) welded on a transmission shaft (308), each stubble cutting disc (302) is fixedly connected with a cylindrical tool apron supporting disc (307) respectively, and 4-6 rotary tillage tool apron (305) are uniformly distributed on the surface of a cylinder of each cylindrical tool apron supporting disc (307), wherein 16-24 circular-arc notches are uniformly distributed on the outer edge of the stubble cutting disc (306), each rotary tillage tool apron (305) is fixedly connected with a rotary tillage tool (304) through bolts, and the tangent part of the rotary tillage tool (304) faces outwards; in addition, an upper arc baffle (310) and a lower arc baffle (309) which are positioned right behind the stubble cutting disc (306) form a soil diffusion baffle; the upper end of the front part of the furrow shaping box body (311) is fixedly connected to the lower end of a first fixing plate (312), the front end of the furrow shaping box body (311) is fixedly connected with a lower arc baffle (309), the upper end of the first fixing plate (312) is welded to the lower end of a cross beam III (118) of the rack (1) through bolts, and the front end of the first fixing plate (312) is fixedly connected with the middle rear end of an upper arc baffle (310).
3. The anti-tangling wheat strip soil-covering, fertilizing and seeding machine for the rice stubble field as claimed in claim 1, characterized in that: the device comprises a frame (1) and is characterized by further comprising two anti-winding broken throwing devices (6) symmetrically arranged on a cross beam III (118) of the frame (1), wherein each anti-winding broken throwing device (6) comprises a broken throwing single body (61), a cutter shaft (62) and an anti-winding cutter (63), 8-12 groups of broken throwing single bodies (61) are axially fixedly connected to the cutter shaft (62), and one anti-winding cutter (63) is fixedly connected between every two adjacent broken throwing single bodies (61) through bolts; the inner side end of the cutter shaft (62) is rotationally connected with the auxiliary gearbox (203) through a coupler; each group of the breaking and throwing single bodies (61) comprises a breaking and throwing cutter head (611) and breaking and throwing knives (612), the left side and the right side of the breaking and throwing cutter head (611) are fixedly connected with 2-4 breaking and throwing knives (612) through bolts at equal angles, the bending directions of the breaking and throwing knives (612) on the left side and the right side are opposite, and the bending angles are opposite
Figure FDA0002254007130000031
Is 5-15 degrees.
4. The anti-tangling wheat strip soil-covering, fertilizing and seeding machine for the rice stubble field as claimed in claim 3, characterized in that: the cutting edge curve of the breaking and throwing knife (612) is an eccentric arc, the cutting edge angle a is 10-30 degrees, and the blade thickness h is 1-2 mm.
5. The anti-tangling wheat strip soil-covering, fertilizing and seeding machine for the rice stubble field as claimed in claim 1, characterized in that: the soil scraping and compacting device (9) comprises two compacting rollers (908) symmetrically arranged at the left side and the right side of the furrow repairing device (8), a compacting roller connecting plate (906) is arranged at the outer side of each compacting roller (908), a compacting scraping knife (907) arranged at the rear lower part of each compacting roller (908) and a chain transmission mechanism arranged at the outer side of each compacting roller (908), the two compacting rollers (908) are connected through a concentric shaft (910), a rubber disc (909) is fixedly connected to the middle part of the concentric shaft (910), the rubber disc (909) is in contact with a step surface at the rear part of the furrow repairing device (8), and the left end and the right end of the compacting scraping knife (907) are fixedly connected with the rear end of the compacting roller connecting plate (906) respectively;
the chain transmission mechanism comprises a double-row chain wheel I (901) fixedly connected to a transition shaft I (902), a chain wheel V (904) fixedly connected to a pressing shaft (905), and a chain III (903) connecting the double-row chain wheel I (901) and the chain wheel V (904), and the transition shaft I (902), a pressing roller connecting plate (906) and the rear part of the longitudinal beam (103) form a rotating connection coaxial line; the pressing shaft (905), the pressing roller (908), the rubber disc (909) and the concentric shaft (910) are coaxially arranged.
6. The anti-tangling wheat strip soil-covering, fertilizing and seeding machine for the rice stubble field as claimed in claim 1, characterized in that: the fertilizer applying device (4) comprises two fertilizer boxes (409) which are respectively arranged on a left cover plate and a right cover plate (102), a transmission long shaft (410) which penetrates through the two fertilizer boxes (409), fertilizer distributors (408) which are arranged in each fertilizer box (409) at equal intervals and are arranged on the transmission long shaft (410), and fertilizer spreaders (406) which are arranged in each fertilizer box (409) and have the same number as the fertilizer distributors (408), wherein the two fertilizer boxes (409) are arranged at the front part of the rack (1) in a left-right symmetrical mode; the fertilizer applicators (408) and the fertilizer spreaders (406) are arranged in a one-to-one correspondence manner, fertilizer outlets of the fertilizer applicators (408) are arranged in cavities at the upper ends of the obliquely arranged fertilizer spreaders (406), and the bottom ends of the lower parts of the fertilizer spreaders (406) are fixedly connected with the rear end face of the beam II (104); the right end of the transmission long shaft (410) is fixedly connected with the fertilizer quantity regulator (407), and the left end of the transmission long shaft (410) is fixedly connected with the fertilizer discharging driving chain wheel (401) through a bearing and a bearing seat.
7. The anti-tangling wheat strip soil-covering, fertilizing and seeding machine for the rice stubble field as claimed in claim 1, characterized in that: the seeding device (5) comprises three seed boxes (508) which are vertically and uniformly arranged at the rear part of the rack (1) side by side; a transmission short shaft (510) is arranged under each seed box (508), seed metering devices (509) with the number equal to that of the seeding hoses (787) are fixedly connected to each transmission short shaft (510), seed metering ports of the seed metering devices (509) are fixedly connected with the seeding hoses (787) in a one-to-one correspondence manner, the front end of each transmission short shaft (510) is fixedly connected with a seed metering regulator (511), and the rear end of each transmission short shaft (510) is rotationally connected with a rear seed box supporting metal plate (507) through a bearing and a bearing seat;
the seed sowing device is characterized in that the middle parts of transmission short shafts (510) right below the seed box (508) on the left side and the right side are respectively fixedly connected with a seed sowing driving chain wheel I (501) and a seed sowing driving chain wheel II (512), the middle parts of the transmission short shafts (510) right below the seed box (508) are fixedly connected with a seed sowing driving double-row chain wheel (505), the seed sowing driving chain wheel I (501), a chain VI (502) and the seed sowing driving double-row chain wheel (505) form a chain transmission mechanism, and the seed sowing driving chain wheel II (512), the chain VII (506) and the seed sowing driving double-row chain wheel (.
8. The anti-tangling wheat strip soil-covering, fertilizing and seeding machine for the rice stubble field as claimed in claim 1, characterized in that: the front end of the furrow repairing device (8) is fixedly connected to the rear end face of the middle part of a cross beam IV (116) of the frame (1), and the rear end of the furrow repairing device (8) is fixedly connected to the front end face of the middle part of a cross beam V (113) of the frame (1); the front end of the furrow repairing device (8) is of a V-shaped structure (802).
9. The anti-tangling wheat strip soil-covering, fertilizing and seeding machine for the rice stubble field as claimed in claim 2, characterized in that: the rotary radius of the rotary blade (304) is 20-30 mm smaller than the radius of the stubble cutting disc (306), and the distance between the soil diffusion baffle and the stubble cutting disc (306) is 10-15 mm.
10. The anti-tangling wheat strip soil-covering, fertilizing and seeding machine for the rice stubble field as claimed in claim 1, characterized in that: the adjacent angle of the strip-shaped scraper (782) is 30-60 degrees.
CN201911045440.8A 2019-10-30 2019-10-30 Anti-winding and anti-sticking wheat strip scattering, earthing, fertilizing and seeding machine for rice stubble field Active CN110771342B (en)

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CN113273326A (en) * 2021-06-22 2021-08-20 山东理工大学 Surface self-deformation type anti-soil-sticking press roller based on bionics
EP3939411A3 (en) * 2020-07-15 2022-03-23 Müthing GmbH & Co. KG Device and method of treating soil surfaces

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