CN105723929A - Width adjustment type non-row-alignment corn harvesting device and corn harvester - Google Patents

Width adjustment type non-row-alignment corn harvesting device and corn harvester Download PDF

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Publication number
CN105723929A
CN105723929A CN201610264381.3A CN201610264381A CN105723929A CN 105723929 A CN105723929 A CN 105723929A CN 201610264381 A CN201610264381 A CN 201610264381A CN 105723929 A CN105723929 A CN 105723929A
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CN
China
Prior art keywords
pulling screw
gear case
screw feeder
amplitude modulation
sprocket wheel
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Granted
Application number
CN201610264381.3A
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Chinese (zh)
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CN105723929B (en
Inventor
王显仁
李心平
庞靖
耿令新
王升升
周罕觅
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Henan University of Science and Technology
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Henan University of Science and Technology
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Priority to CN201610264381.3A priority Critical patent/CN105723929B/en
Publication of CN105723929A publication Critical patent/CN105723929A/en
Application granted granted Critical
Publication of CN105723929B publication Critical patent/CN105723929B/en
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    • AHUMAN NECESSITIES
    • A01AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01DHARVESTING; MOWING
    • A01D45/00Harvesting of standing crops
    • A01D45/02Harvesting of standing crops of maize, i.e. kernel harvesting
    • AHUMAN NECESSITIES
    • A01AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01DHARVESTING; MOWING
    • A01D45/00Harvesting of standing crops
    • A01D45/02Harvesting of standing crops of maize, i.e. kernel harvesting
    • A01D45/021Cornheaders
    • A01D45/025Snapping rolls
    • AHUMAN NECESSITIES
    • A01AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01DHARVESTING; MOWING
    • A01D45/00Harvesting of standing crops
    • A01D45/02Harvesting of standing crops of maize, i.e. kernel harvesting
    • A01D45/028Harvesting devices mounted to a vehicle
    • AHUMAN NECESSITIES
    • A01AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01DHARVESTING; MOWING
    • A01D57/00Delivering mechanisms for harvesters or mowers
    • A01D57/01Devices for leading crops to the mowing apparatus
    • AHUMAN NECESSITIES
    • A01AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01DHARVESTING; MOWING
    • A01D82/00Crop conditioners, i.e. machines for crushing or bruising stalks

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  • Life Sciences & Earth Sciences (AREA)
  • Environmental Sciences (AREA)
  • Harvesting Machines For Specific Crops (AREA)

Abstract

The invention relates to a width adjustment type non-row-alignment corn harvesting device and a corn harvester. The width adjustment type non-row-alignment corn harvesting device comprises a support, ear picking rolls, plant pulling machines and adjusting structures. The plant pulling machines are arranged at the fronts of the ear picking rolls and include a left plant pulling machine, a middle plant pulling machine and a right plant pulling machine which are arranged along the left-right direction at intervals, the left plant pulling machine and/or the right plant pulling machine can swing left and right, and the adjusting structures are used for adjusting swing angles of the corresponding plant pulling machines relative to the middle plant pulling machine in the left-right direction, so that the width adjustment type non-row-alignment corn harvesting device can adapt to corn plants with different row distances. The width adjustment type non-row-alignment corn harvesting device and the corn harvester have the advantage that problems that corn plants cannot be harvested by existing corn harvesters due to the difference between the row distances of the corn plants during actual production and the existing corn harvesters even can be laid over the corn plants and bring great inconvenience for harvesting work can be solved by the aid of the width adjustment type non-row-alignment corn harvesting device and the corn harvester.

Description

A kind of amplitude modulation is not to row harvesting apparatus and maize harvesting machine
Technical field
The invention belongs to agricultural mechanical field, be specifically related to a kind of amplitude modulation not to row harvesting apparatus and the maize harvesting machine using this harvesting apparatus.
Background technology
Semen Maydis is one of China's Three major grain crops, and corn harvest mechanization is just flourish.Due to the difference in geographical position and corn variety, at present, corn planting line-spacing in all parts of the country all has plantation from 200mm to 600mm.Owing to China's rural holding scale of operation is little, plot is little, not only the corn planting seeding row spacing between peasant household is not etc., even if same plot seeding row spacing also has bigger difference sometimes.
At present, China's Semen Maydis is ploughed, kind, receipts comprehensive mechanization level reach 40% ~ 50%, wherein, and tractor-ploughing, machine sowing water average out to more than 60%, but machine receives level less than 10%, and maize harvesting mechanization problem has become one of bottleneck of restriction agricultural mechanization development.Particularly Semen Tritici aestivi, two batches of crop rotation areas of Semen Maydis, owing to Row spacing of maize differs greatly, be difficult to popularize to row corn combine, the operation substantially by hand of the harvest corn in these areas, not only production efficiency is low, and appropriation of labour power is many, and labor intensity is big.Along with the development of rural economy, the population of work of being engaged in agriculture gradually decreases, gradually forming and development of Agricultural Machinery Specialty family, rural area, and peasant uses the cry of maize harvesting machine more and more high.In recent years, many R&D institutions and institution of higher learning expand the research and development to corn combine, and row results technology is mature on the whole by Semen Maydis.But according to investigation, row results technology is not had full maturity by Semen Maydis.
Harvesting apparatus generally comprises snapping bar and is arranged at nearside divider and the seedling-plucking device in snapping bar front, the plantation gap of seedling-plucking device alignment corn crop, corn crop enters snapping bar by pulling gap in the rear end in pulling gap and carries out harvesting, but owing in actual production, the line-spacing of the corn crop of each household plantation is inconsistent, the seedling-plucking device that can cause harvest machinery can not accomplish fully aligned row corn planting gap, both sides, now, seedling-plucking device not only can not pulling, also the Semen Maydis stood can be overwhelmed on the contrary, this can bring very big inconvenience to harvesting work, roller ability to work is plucked certain plus maize harvesting machine, but corn planting density changes greatly, therefore, the working width adjusting maize harvesting machine within the specific limits is necessary.
Summary of the invention
It is an object of the invention to solve problems of the prior art and provide a kind of can to the amplitude modulation or not gathered in row Semen Maydis not to row harvesting apparatus;Meanwhile, the present invention also aims to provide a kind of maize harvesting machine using this harvesting apparatus.
For achieving the above object, the technical scheme of row harvesting apparatus is not by a kind of amplitude modulation of the present invention: a kind of amplitude modulation is not to row harvesting apparatus, including support, the snapping bar that the axis being arranged on support extends along the longitudinal direction and the seedling-plucking device being arranged at snapping bar front, seedling-plucking device includes spaced left seedling-plucking device in left-right direction, middle seedling-plucking device and right seedling-plucking device, described left seedling-plucking device and/or right seedling-plucking device can swing, row harvesting apparatus is not also included for regulating the relatively middle seedling-plucking device pendulum angle in the lateral direction of corresponding seedling-plucking device to adapt to the adjustment structure of the milpa of different spacings by described amplitude modulation.
Seedling-plucking device is pulling screw feeder, including pulling screw feeder cylinder and the pulling screw conveyor shaft supplying the installation of pulling screw feeder cylinder, row harvesting apparatus is not also included being arranged at the rotation axle that the axis at pulling screw conveyor shaft rear extends along the longitudinal direction by amplitude modulation, and pulling screw conveyor shaft is connected to the front end rotating axle by cardan drive.
Row harvesting apparatus is not also included the mounting seat for rotating assembling for pulling screw conveyor shaft by described amplitude modulation, the regulating tank of the arc that bearing of trend that described adjustment structure includes being arranged on support is identical with the swaying direction of corresponding pulling screw feeder and be arranged in mounting seat and lead the guide pillar being slidably matched with regulating tank, row harvesting apparatus is not also included the locking structure for fixing corresponding pulling screw feeder position after adjustment by amplitude modulation.
Described guide pillar is the bolt being arranged in mounting seat, and locking structure includes the lock-nut being threadedly connected on bolt.
Described pulling screw feeder cylinder is most advanced and sophisticated conical shell structure forward, and the outer peripheral face of described conical shell is provided with spiral conveying blade.
The big end of described conical shell is provided with gear stem plate so that milpa enters in the snapping bar of rear side smoothly.
Described left pulling screw feeder and right pulling screw feeder can swing and the pulling screw feeder cylinder of middle pulling screw feeder is sized larger than the size of pulling screw feeder cylinder of left pulling screw feeder and the size of the pulling screw feeder cylinder of right pulling screw feeder.
nullRow harvesting apparatus is not also included conveying screw feeder that conveying direction extends along the longitudinal direction and arranges the giving back field machine for corn stalks below snapping bar by described amplitude modulation,Conveying screw feeder includes conveying screw conveyor shaft,Middle pulling screw feeder includes middle pulling screw conveyor shaft,Conveying screw conveyor shaft is in transmission connection with middle pulling screw conveyor shaft,Snapping bar includes being positioned at the left snapping bar on the left of conveyer device and is arranged at the right snapping bar on the right side of conveyer device,Support is provided with the left gear case driving the work of left snapping bar in left snapping bar rear end,The right gear case for driving right snapping bar to work arranged in right snapping bar rear end on support,Row harvesting apparatus is not also included the jointed shaft for being assemblied on walking vehicle body for holder pivots by described amplitude modulation、Left gear case power input shaft、Left gear case the first output shaft、Left gear case the second output shaft、Left gear case the 3rd output shaft、Left pulling screw feeder rotates axle、Giving back field machine for corn stalks axle、Right pulling screw feeder rotates axle、Right gear case power input shaft and right gear case output shaft,Power is reached left gear case power input shaft by jointed shaft by power,Left gear case the first output shaft rotates through-drive with left pulling screw feeder and is connected,Left gear case the second output shaft is in transmission connection with middle pulling screw conveyor shaft,Left gear case the 3rd output shaft is connected with giving back field machine for corn stalks through-drive,Giving back field machine for corn stalks axle and right gear case power input shaft are in transmission connection,Right gear case power output shaft rotates through-drive with right pulling screw feeder and is connected.
nullThe left end of jointed shaft is provided with biserial sprocket wheel,Through support about giving back field machine for corn stalks axle,The two ends, left and right of giving back field machine for corn stalks axle are respectively arranged with the left sprocket wheel of giving back field machine for corn stalks and the right sprocket wheel of giving back field machine for corn stalks,The rear end of left gear case the first output shaft is provided with left gear case the first sprocket wheel,The rear end of left gear case the second output shaft is provided with left gear case the second sprocket wheel,The left end of left gear the 3rd output shaft is provided with left gear case the 3rd sprocket wheel,Left pulling screw feeder rotates the rear end of axle and is provided with left pulling screw feeder rotation axle sprocket wheel,Amplitude modulation row harvesting apparatus is not also included axis extends along the longitudinal direction for the power of left gear case the first output shaft being transferred to the jackshaft on middle pulling screw conveyor shaft,The rear and front end of jackshaft is respectively arranged with before jackshaft sprocket wheel after sprocket wheel and jackshaft,Middle pulling screw conveyor shaft rear end is provided with middle pulling screw conveyor shaft sprocket wheel,The right-hand member of right gear case power input shaft is provided with right gear case input sprocket,The rear end of right gear case power output shaft is provided with right gear case output chain gear,Right pulling screw feeder rotates the rear end of axle and is provided with right pulling screw feeder rotation axle sprocket wheel,Power is reached on left gear case power input shaft by power by biserial sprocket wheel,Power is reached left gear case first by left gear case by left gear case power input shaft、Second、On 3rd output shaft,Left gear case the first sprocket wheel rotates axle chain gear transmission with left pulling screw feeder and is connected to drive left pulling screw feeder to rotate,Left gear case the second sprocket wheel is connected with chain gear transmission after jackshaft and is reached on middle pulling screw conveyor shaft power to drive middle pulling screw feeder and the rotation of conveying screw feeder by sprocket wheel before jackshaft,Left gear case the 3rd sprocket wheel is connected to drive giving back field machine for corn stalks to work with the left chain gear transmission of giving back field machine for corn stalks and by giving back field machine for corn stalks right sprocket wheel, power reaches right gear case input sprocket,Right gear case output chain gear rotates axle chain gear transmission with right pulling screw feeder and is connected to drive right pulling screw feeder to rotate.
The technical scheme of a kind of maize harvesting machine of the present invention is: a kind of maize harvesting machine, including walking vehicle body and the harvesting apparatus being arranged at walking vehicle body front end, harvesting apparatus adopts amplitude modulation described above not to row harvesting apparatus, and row harvesting apparatus is not also included the mounting structure for being installed on walking vehicle body by amplitude modulation.
The invention has the beneficial effects as follows: left seedling-plucking device and/or right seedling-plucking device can swing, adjustment structure is for regulating the relatively middle screw feeder pendulum angle in the lateral direction of corresponding pulling screw feeder to adapt to the milpa of different spacings, solve in actual production owing to the difference of the line space of milpa causes that row can not be gathered in by existing maize harvesting machine, even also can overwhelm milpa, to the problem that harvesting work brings a lot of inconvenience.
Accompanying drawing explanation
Fig. 1 is the not structural representation to row harvesting apparatus of the amplitude modulation in an embodiment of a kind of maize harvesting machine of the present invention;
Fig. 2 is the top view of Fig. 1;
Fig. 3 is the structural representation of left pulling screw feeder;
Fig. 4 is the structural representation of ear-picking unit;
Fig. 5 is the structural representation of giving back field machine for corn stalks;
Fig. 6 is the side view of Fig. 5;
Fig. 7 is amplitude modulation not Principles of Regulation schematic diagram to row harvesting apparatus;
Fig. 8 is the structural representation of adjustment structure;
Fig. 9 is that the integral power of row harvesting apparatus is not transmitted schematic diagram by amplitude modulation.
Detailed description of the invention
Below in conjunction with accompanying drawing, embodiments of the present invention are described further.A kind of specific embodiment of the maize harvesting machine of the present invention, as shown in Figures 1 to 9, including walking vehicle body and the amplitude modulation harvesting apparatus being arranged at walking vehicle body front end, as shown in Figure 1-2, amplitude modulation harvesting apparatus includes support 10, the ear-picking unit 4 that is arranged on support 10, conveying direction extend along the longitudinal direction conveyer device 3, three the pulling screw feeders 1 being arranged at ear-picking unit 4 front upper place, it is arranged on support 10 and is positioned at the giving back field machine for corn stalks 5 below ear-picking unit 4 and for being installed on the mounting structure on the chassis 9 of walking vehicle body.Ear-picking unit 4 includes two pairs of snapping bars that altogether four axis extend in left-right direction and the drive mechanisms driving each pair of snapping bar work, the right gear case 13 that the rear of left gear case 19 that drive mechanism includes being arranged at the rear of a pair snapping bar that be on support 10 and that be positioned at left side and a pair snapping bar being positioned at right side is arranged.Conveyer device 3 includes the delivery chute being arranged between two pairs of snapping bars, the conveying screw feeder 14 being arranged in delivery chute 40 and is positioned at the fruit ear whereabouts mouth 86 at conveying screw feeder 14 rear, and conveying screw feeder 14 includes the conveying screw conveyor shaft that axis extends along the longitudinal direction.The chassis 9 of walking vehicle body is provided with bearing block 7, support 10 is rotated by the jointed shaft 6 that axis extends in left-right direction and is assemblied on bearing block 7, and maize harvesting machine also includes the hydraulic jack 8 rotated along jointed shaft 6 for driving arm 10 being arranged on chassis 9 to drive whole amplitude modulation harvesting apparatus.Amplitude modulation harvesting apparatus can rotate to realize lifting around jointed shaft 6 with the flexible of hydraulic jack 8.
Three pulling screw feeders 1 are respectively positioned at the middle pulling screw feeder 17 of delivery chute 40 front upper place and the left pulling screw feeder 16 being arranged symmetrically with in middle pulling screw feeder 17 left and right sides and right pulling screw feeder 11, each pulling screw feeder all includes the pulling screw feeder cylinder 22 of most advanced and sophisticated conical shell structure forward and supplies the pulling screw conveyor shaft 24 of pulling screw feeder cylinder 22 installation, left, right pulling screw feeder all can swing relative to middle pulling screw feeder 17, support 10 is respectively arranged with in the rear of left pulling screw feeder 16 and right pulling screw feeder 11 left pulling screw feeder and rotates axle 72 and right pulling screw feeder rotation axle 75, left, right pulling screw feeder rotates through-drive respectively through attachment structure 2 with corresponding pulling screw feeder and connects, attachment structure is universal joint 26, universal joint 26 is in transmission connection by bearing pin 64 with pulling screw conveyor shaft 24.The pulling screw conveyor shaft of middle pulling screw feeder 17 is rotated by intermediate bearing and is assemblied on support and is in transmission connection with the conveying screw conveyor shaft front end carrying screw feeder 14.Dial holding greatly of standing grain screw feeder cylinder 22 concordant with the forward tip of snapping bar, to ensure that corn stem is smoothly from the snapping bar dialling standing grain screw feeder entrance ear-picking unit.
Amplitude modulation harvesting apparatus also includes can regulating a left side respectively, the folding pendulum angle of right pulling screw feeder relatively middle pulling screw feeder in the lateral direction is to adapt to left adjustment structure 18 and the right adjustment structure 12 of the milpa of different spacings, left, the identical installing plate 28 all including being welded on support 10 and be positioned at the rear of corresponding pulling screw feeder of right adjustment structure, installing plate 28 is provided with the mounting seat 25 for rotating assembling for corresponding pulling screw feeder, installing plate 28 is provided with the regulating tank 57 of the bearing of trend arc identical with the swaying direction of corresponding pulling screw feeder and be arranged in mounting seat 25 and lead the bolt 62 being slidably matched with regulating tank 57, the lock-nut 61 of the threaded position having for fixing corresponding pulling screw feeder after adjustment on bolt 62.The outer peripheral face of the pulling screw feeder body 22 of conical shell structure is provided with the pulling screw feeder spiral conveying blade 23 for being delivered to by corn stalk stem in the snapping bar at rear, in results process, corn stem is imported in snapping bar by conical shell and pulling screw feeder spiral conveying blade 23.As the results width between adjacent pulling screw feeder need to be regulated, it is necessary to unclamp each one of lock-nut 61(two ends), then mounting seat 25 can move, and maximum shift position is by the dotted line position of Fig. 8 to solid line position.For making corn stem enter snapping bar smoothly, being respectively equipped with left gear stem plate 92 and right gear stem plate 55 at the big end place of left and right group of standing grain screw feeder (16,11), regulative mode is manual adjustments.
As shown in Figure 4, snapping bar is welded with conveying convex tendon along helix, snapping bar is divided into three sections: i.e. taper feeding section 30, cane transportation section 31 and harvesting section 32, front two sections of upper conveying convex tendons are spiral type conveying convex tendon, respectively feeding section helical feed convex tendon 29 and cane transportation section helical feed convex tendon 36, the conveying convex tendon in harvesting section 32 is the straight convex tendon of the axially welding along snapping bar.In results process, corn straw feeds section 30 from taper under the support dialling standing grain screw feeder and enters cane transportation section 31 under feeding section helical feed convex tendon 29 effect, corn stalk under the effect of cane transportation section helical feed convex tendon 36 rearward movement to harvesting section 32, harvesting under the effect of the straight convex tendon of axially distributed harvesting section, due to two one high and one low settings of snapping bar of every pair, corncob falls into delivery chute 81 from downside and is transmitted rearward by conveying screw feeder 14.
nullFig. 9 is that the integral power of row harvesting apparatus is not transmitted schematic diagram by amplitude modulation,Maize harvesting machine includes the power set for driving amplitude modulation harvesting apparatus to work,Power set include head sprocket 65,The left end of jointed shaft 6 is provided with biserial sprocket wheel 66,Left gear case 19 includes casing 33、Left gear case power input shaft 67、Left gear case the first output shaft 68、Left gear case the second output shaft 69、Left gear case the 3rd output shaft 70,The rear end of left gear case the first output shaft 68 is provided with left gear case the first sprocket wheel 77,The rear end of left gear case the second output shaft 69 is provided with left gear case the second sprocket wheel 78,The left end of left gear the 3rd output shaft 70 is provided with left gear case the 3rd sprocket wheel 79,Right gear case 13 includes right gear case power input shaft 73 and right gear case power output shaft 74,The right-hand member of right gear case power input shaft 73 is provided with right gear case input sprocket 82,The rear end of right gear case power output shaft 74 is provided with right gear case output chain gear 83,Giving back field machine for corn stalks 5 includes giving back field machine for corn stalks axle 71,Giving back field machine for corn stalks axle about 71 is through support 10,The two ends, left and right of giving back field machine for corn stalks axle 71 are respectively arranged with the left sprocket wheel of giving back field machine for corn stalks 80 and the right sprocket wheel 81 of giving back field machine for corn stalks,Left pulling screw feeder rotates the rear end of axle 72 and is provided with left pulling screw feeder rotation axle sprocket wheel 84,Right pulling screw feeder rotates the rear end of axle 75 and is provided with right pulling screw feeder rotation axle sprocket wheel 85,Amplitude modulation row harvesting apparatus is not also included axis extends along the longitudinal direction for the power of left gear case the first output shaft 68 being transferred to the jackshaft 91 on middle pulling screw conveyor shaft,The rear and front end of jackshaft 91 is respectively arranged with before jackshaft sprocket wheel 93 after sprocket wheel 90 and jackshaft.nullThe integral power transmission route of row harvesting apparatus is not by width formula: power is reached on left gear case power input shaft 67 by head sprocket 65 by power by biserial sprocket wheel 66,Power is reached left gear case first by left gear case 19 by left gear case power input shaft 67、Second、On 3rd output shaft,After left gear case the second sprocket wheel 78 and jackshaft, sprocket wheel 93 is in transmission connection and is reached on middle pulling screw conveyor shaft sprocket wheel 89 power to drive middle pulling screw feeder and the rotation of conveying screw feeder 14 by sprocket wheel before jackshaft 90,Left gear case the first sprocket wheel 77 and left pulling screw feeder rotate axle sprocket wheel 84 and are in transmission connection to drive left pulling screw feeder to rotate,Left gear case the 3rd sprocket wheel 79 and the left sprocket wheel of giving back field machine for corn stalks 80 are in transmission connection to drive giving back field machine for corn stalks to work and by giving back field machine for corn stalks right sprocket wheel 81, power reach right gear case input sprocket 82,Right gear case output chain gear 83 and right pulling screw feeder rotate axle sprocket wheel 85 and are in transmission connection to drive right pulling screw feeder to rotate.
Giving back field machine for corn stalks may also include moving knife (47,50), cuts off stationary knife (48,51), pulverizes stationary knife 49, movable arbor 52, side plate 45, and movable arbor 52 is fixed by bolts on support 10 by bearing.Being welded with moving knife seat 54 on movable arbor 52, knife bar and the moving knife seat 52 of moving knife (47,50) pass through hinge-coupled.Moving knife 47 turns clockwise, and is cut off by the first driven knife 47 of the corn stem after the snapping bar harvesting of ear-picking unit 4 and cut-out stationary knife 48, is then pulverized stationary knifes 49 by two row and pulverizes, and corn stem powdering spills in ground.Giving back field machine for corn stalks axle and movable arbor 52 are in transmission connection to drive movable arbor 52 to rotate.
The work process of a kind of maize harvesting machine of the present invention is: this device is fixed on the chassis 9 of walking vehicle body by bearing block 7, jointed shaft 6 and hydraulic jack 8, and hydraulic jack 8 other end is connected by hinge and chassis 9.During farm work harvesting corn, starting hydraulic pump, make hydraulic jack 8 shorten, amplitude modulation harvesting apparatus rotates counterclockwise around jointed shaft 6, and amplitude modulation harvesting apparatus transfers entrance results state.Starting electromotor, maize harvesting machine runs to Semen Maydis ridge, and complete machine is in treats results state, makes Semen Maydis row be on the line of symmetry dialling standing grain screw feeder as far as possible.Advance of machining is gathered in the crops, it is pyramidal structure owing to dialling standing grain screw feeder, when Semen Maydis row and maize harvesting machine centrage (77,80) deviation are within 150mm, moving ahead this part Semen Maydis under the effect dialling standing grain screw feeder with maize harvesting machine, shifts to snapping bar, maize harvesting machine still can normal operation, therefore this maize harvesting machine can carry out not to row results, as results width need to be regulated, unclamp each one of lock-nut 61(two ends), then mounting seat 25 can move.Corn stem enters between two pairs of snapping bars of opposite direction rotating afterwards, and snapping bar captures and clamps stem stalk and moves downward backward, simultaneously as snapping bar effect, Semen Maydis is forced down stem stalk, it is achieved fruit ear and separating of stem stalk and complete harvesting.Owing to snapping bar is one high and one low, the corncob that the two pairs of snapping bars are removed, to middle landing, is fallen in conveying screw feeder 14, is transferred screw feeder and is delivered to fruit ear whereabouts, rear mouth 86, fall into fruit-ear box.Corn straw goes back field after being pulverized by the giving back field machine for corn stalks 5 of lower section.When maize harvesting machine is walked on road, disconnect maize harvesting machine power, start hydraulic pump, make hydraulic jack 8 extend, amplitude modulation harvesting apparatus rotate moving axis 6 rotate clockwise solid line rise, then start maize harvesting machine walking.
In other embodiments of a kind of amplitude modulation harvesting apparatus of the present invention, attachment structure can not adopt universal joint, and with corresponding pulling screw feeder, pulling screw conveyor shaft is rotated axle ball pivot and connects to realize swinging of pulling screw feeder;In the present embodiment, mounting seat is bearing block, it is also possible to do not adopt bearing to carry out transmission, it is possible to adopt axle sleeve to realize the rotation assembling of left and right pulling screw feeder;Bolt can also be arranged at the effect of the guide post replacement of the mounting seat lower end guiding to realize guide pillar, now can be provided with trip bolt in mounting seat, after realizing adjustment, mounting seat is fixed on installing plate;Support can not also include installing plate, and directly arranges the gathering sill of arc on support;Amplitude modulation harvesting apparatus can also be connected on the chassis of agricultural four-wheel;Pulling screw feeder can also be replaced the effect to play seedling-plucking device by pulling chain;Left pulling screw feeder can also be only allowed to swing or only allow right pulling screw feeder swing.
A kind of amplitude modulation is not identical with the embodiment of the amplitude modulation harvesting apparatus in each embodiment of above-mentioned a kind of maize harvesting machine to the embodiment of row harvesting apparatus, repeats no more herein.

Claims (10)

1. an amplitude modulation is not to row harvesting apparatus, the snapping bar extended along the longitudinal direction including support, the axis being arranged on support and the seedling-plucking device being arranged at snapping bar front, seedling-plucking device includes spaced left seedling-plucking device, middle seedling-plucking device and right seedling-plucking device in left-right direction, it is characterized in that: described left seedling-plucking device and/or right seedling-plucking device can swing, row harvesting apparatus is not also included for regulating the relatively middle seedling-plucking device pendulum angle in the lateral direction of corresponding seedling-plucking device to adapt to the adjustment structure of the milpa of different spacings by described amplitude modulation.
2. a kind of amplitude modulation according to claim 1 is not to row harvesting apparatus, it is characterized in that: seedling-plucking device is pulling screw feeder, including pulling screw feeder cylinder and the pulling screw conveyor shaft supplying the installation of pulling screw feeder cylinder, row harvesting apparatus is not also included being arranged at the rotation axle that the axis at pulling screw conveyor shaft rear extends along the longitudinal direction by amplitude modulation, and pulling screw conveyor shaft is connected to the front end rotating axle by cardan drive.
3. a kind of amplitude modulation according to claim 2 is not to row harvesting apparatus, it is characterized in that: row harvesting apparatus is not also included the mounting seat for rotating assembling for pulling screw conveyor shaft by described amplitude modulation, the regulating tank of the arc that bearing of trend that described adjustment structure includes being arranged on support is identical with the swaying direction of corresponding pulling screw feeder and be arranged in mounting seat and lead the guide pillar being slidably matched with regulating tank, row harvesting apparatus is not also included the locking structure for fixing corresponding pulling screw feeder position after adjustment by amplitude modulation.
4. a kind of amplitude modulation according to claim 3 is not to row harvesting apparatus, it is characterised in that: described guide pillar is the bolt being arranged in mounting seat, and locking structure includes the lock-nut being threadedly connected on bolt.
5. a kind of amplitude modulation according to claim 2 is not to row harvesting apparatus, it is characterised in that: described pulling screw feeder cylinder is most advanced and sophisticated conical shell structure forward, and the outer peripheral face of described conical shell is provided with spiral conveying blade.
6. a kind of amplitude modulation according to claim 5 is not to row harvesting apparatus, it is characterised in that: the big end of described conical shell is provided with gear stem plate so that milpa enters in the snapping bar of rear side smoothly.
7. a kind of amplitude modulation according to any one of claim 1-6 is not to row harvesting apparatus, it is characterised in that: described left pulling screw feeder and right pulling screw feeder can swing and the pulling screw feeder cylinder of middle pulling screw feeder is sized larger than the size of pulling screw feeder cylinder of left pulling screw feeder and the size of the pulling screw feeder cylinder of right pulling screw feeder.
null8. a kind of amplitude modulation according to claim 2 is not to row harvesting apparatus,It is characterized in that: row harvesting apparatus is not also included conveying screw feeder that conveying direction extends along the longitudinal direction and arranges the giving back field machine for corn stalks below snapping bar by described amplitude modulation,Conveying screw feeder includes conveying screw conveyor shaft,Middle pulling screw feeder includes middle pulling screw conveyor shaft,Conveying screw conveyor shaft is in transmission connection with middle pulling screw conveyor shaft,Snapping bar includes being positioned at the left snapping bar on the left of conveyer device and is arranged at the right snapping bar on the right side of conveyer device,Support is provided with the left gear case driving the work of left snapping bar in left snapping bar rear end,The right gear case for driving right snapping bar to work arranged in right snapping bar rear end on support,Row harvesting apparatus is not also included the jointed shaft for being assemblied on walking vehicle body for holder pivots by described amplitude modulation、Left gear case power input shaft、Left gear case the first output shaft、Left gear case the second output shaft、Left gear case the 3rd output shaft、Left pulling screw feeder rotates axle、Giving back field machine for corn stalks axle、Right pulling screw feeder rotates axle、Right gear case power input shaft and right gear case output shaft,Power is reached left gear case power input shaft by jointed shaft by power,Left gear case the first output shaft rotates through-drive with left pulling screw feeder and is connected,Left gear case the second output shaft is in transmission connection with middle pulling screw conveyor shaft,Left gear case the 3rd output shaft is connected with giving back field machine for corn stalks through-drive,Giving back field machine for corn stalks axle and right gear case power input shaft are in transmission connection,Right gear case power output shaft rotates through-drive with right pulling screw feeder and is connected.
null9. a kind of amplitude modulation according to claim 8 is not to row harvesting apparatus,It is characterized in that: the left end of jointed shaft is provided with biserial sprocket wheel,Through support about giving back field machine for corn stalks axle,The two ends, left and right of giving back field machine for corn stalks axle are respectively arranged with the left sprocket wheel of giving back field machine for corn stalks and the right sprocket wheel of giving back field machine for corn stalks,The rear end of left gear case the first output shaft is provided with left gear case the first sprocket wheel,The rear end of left gear case the second output shaft is provided with left gear case the second sprocket wheel,The left end of left gear the 3rd output shaft is provided with left gear case the 3rd sprocket wheel,Left pulling screw feeder rotates the rear end of axle and is provided with left pulling screw feeder rotation axle sprocket wheel,Amplitude modulation row harvesting apparatus is not also included axis extends along the longitudinal direction for the power of left gear case the first output shaft being transferred to the jackshaft on middle pulling screw conveyor shaft,The rear and front end of jackshaft is respectively arranged with before jackshaft sprocket wheel after sprocket wheel and jackshaft,Middle pulling screw conveyor shaft rear end is provided with middle pulling screw conveyor shaft sprocket wheel,The right-hand member of right gear case power input shaft is provided with right gear case input sprocket,The rear end of right gear case power output shaft is provided with right gear case output chain gear,Right pulling screw feeder rotates the rear end of axle and is provided with right pulling screw feeder rotation axle sprocket wheel,Power is reached on left gear case power input shaft by power by biserial sprocket wheel,Power is reached left gear case first by left gear case by left gear case power input shaft、Second、On 3rd output shaft,Left gear case the first sprocket wheel rotates axle chain gear transmission with left pulling screw feeder and is connected to drive left pulling screw feeder to rotate,Left gear case the second sprocket wheel is connected with chain gear transmission after jackshaft and is reached on middle pulling screw conveyor shaft power to drive middle pulling screw feeder and the rotation of conveying screw feeder by sprocket wheel before jackshaft,Left gear case the 3rd sprocket wheel is connected to drive giving back field machine for corn stalks to work with the left chain gear transmission of giving back field machine for corn stalks and by giving back field machine for corn stalks right sprocket wheel, power reaches right gear case input sprocket,Right gear case output chain gear rotates axle chain gear transmission with right pulling screw feeder and is connected to drive right pulling screw feeder to rotate.
10. a maize harvesting machine, including walking vehicle body and the harvesting apparatus being arranged at walking vehicle body front end, it is characterized in that: harvesting apparatus adopts the amplitude modulation described in any one of claim 1-9 not to row harvesting apparatus, and row harvesting apparatus is not also included the mounting structure for being installed on walking vehicle body by amplitude modulation.
CN201610264381.3A 2016-04-26 2016-04-26 A kind of amplitude modulation is not to row harvesting apparatus and maize harvesting machine Expired - Fee Related CN105723929B (en)

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CN110574545A (en) * 2018-06-08 2019-12-17 四川农业大学 Hydraulic drive ear of grain device of plucking

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