WO2017092203A1 - 可折叠式四垄八行大型花生播种机 - Google Patents

可折叠式四垄八行大型花生播种机 Download PDF

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Publication number
WO2017092203A1
WO2017092203A1 PCT/CN2016/077474 CN2016077474W WO2017092203A1 WO 2017092203 A1 WO2017092203 A1 WO 2017092203A1 CN 2016077474 W CN2016077474 W CN 2016077474W WO 2017092203 A1 WO2017092203 A1 WO 2017092203A1
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WIPO (PCT)
Prior art keywords
frame
planter
seeding
ridge
beam frame
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
PCT/CN2016/077474
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English (en)
French (fr)
Inventor
尚书旗
王东伟
何晓宁
张甜甜
刘晓东
庞树杰
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Qingdao Agricultural University
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Qingdao Agricultural University
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from CN201521003473.3U external-priority patent/CN205266167U/zh
Priority claimed from CN201510890882.8A external-priority patent/CN105340401B/zh
Application filed by Qingdao Agricultural University filed Critical Qingdao Agricultural University
Priority to JP2018540458A priority Critical patent/JP6518843B2/ja
Publication of WO2017092203A1 publication Critical patent/WO2017092203A1/zh
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01B—SOIL WORKING IN AGRICULTURE OR FORESTRY; PARTS, DETAILS, OR ACCESSORIES OF AGRICULTURAL MACHINES OR IMPLEMENTS, IN GENERAL
    • A01B49/00—Combined machines
    • A01B49/02—Combined machines with two or more soil-working tools of different kind
    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01C—PLANTING; SOWING; FERTILISING
    • A01C5/00—Making or covering furrows or holes for sowing, planting or manuring
    • A01C5/06—Machines for making or covering drills or furrows for sowing or planting
    • A01C5/066—Devices for covering drills or furrows
    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01B—SOIL WORKING IN AGRICULTURE OR FORESTRY; PARTS, DETAILS, OR ACCESSORIES OF AGRICULTURAL MACHINES OR IMPLEMENTS, IN GENERAL
    • A01B49/00—Combined machines
    • A01B49/04—Combinations of soil-working tools with non-soil-working tools, e.g. planting tools
    • A01B49/06—Combinations of soil-working tools with non-soil-working tools, e.g. planting tools for sowing or fertilising
    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01C—PLANTING; SOWING; FERTILISING
    • A01C7/00—Sowing
    • A01C7/20—Parts of seeders for conducting and depositing seed
    • A01C7/208—Chassis; Coupling means to a tractor or the like; Lifting means; Side markers
    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
    • A01G25/00—Watering gardens, fields, sports grounds or the like
    • A01G25/09—Watering arrangements making use of movable installations on wheels or the like

Definitions

  • the invention relates to the technical field of agricultural machinery and equipment, in particular to an agricultural machinery for sowing peanuts, in particular to a foldable four-row and eight-row large-scale peanut planter.
  • Peanut is China's main economic crop and one of the most important oil crops.
  • the national peanut planting area is expanding.
  • the peanut planter developed in the domestic market is mainly based on one or two ridge small machines. Although it can basically meet the agronomic requirements of peanut planting, it can not meet the large and medium-sized land in Northeast China, Huanghuai River Basin and Northwest China. According to the experience of foreign development, large-scale work tools will become the mainstream, and it is urgent to carry out large-scale mechanized sowing operations of peanuts.
  • the peanut planting process is complex, including ridges, fertilization, sowing, leveling, spraying, drip irrigation, film-laying, laminating, laminating, film-covering and other processes, while peanuts have a relatively short sowing period.
  • the segmental seeding of artificial or small machine tools has outstanding problems such as low work efficiency, high labor intensity and high production cost, which is not conducive to the operation when rushing to farm, which seriously affects the planting efficiency. Due to the large width of ridges in peanut planting, the research and development trials of large peanut planting machines have technical problems such as ground contouring and road transportation difficulties, which have delayed the introduction of the market.
  • the object of the present invention is to provide a plant that can adapt to large-area plots, ridge formation, fertilization, sowing, leveling, spraying, drip irrigation, film laying, lamination, filming, filming. It is a four-row and eight-row large-scale peanut planter that can be folded in the middle of the road, with high-efficiency operation and good ground contouring.
  • a foldable four-ridge and eight-row large-scale peanut planter including a suspension frame and a planter frame, wherein the parallelogram hydraulic folding beam frame is further arranged, and the suspension frame is fixedly arranged in parallel.
  • the front end of the quadrilateral hydraulic folding beam frame, and the rear of the parallelogram hydraulic folding beam frame is provided with a large planter;
  • the parallelogram hydraulic folding beam frame comprises a supporting main beam frame, an intermediate connecting beam frame, an outer extending folding beam frame and a parallel cross bar, wherein the left and right sides of the supporting main beam frame are provided with an intermediate connecting beam frame and an outer extending folding beam frame.
  • the intermediate connecting beam frame is formed by two horizontal directional beams and two vertical directional beams fixedly connected.
  • the left and right ends of the supporting main beam frame are cylindrical, and the inner end of the outer extending folding beam frame passes through the horizontal direction of the intermediate connecting beam frame.
  • the beam frames are respectively inserted into the two ends of the supporting main beam frame, and two parallel parallel cross bars are arranged between the vertical direction beam frame and the supporting main beam frame of the middle connecting beam frame on the left and right sides, and the parallel cross bar is connected with the middle
  • the beam frame and the supporting main beam frame are hinged, and the supporting main beam frame, the intermediate connecting beam frame and the parallel cross bar constitute a parallelogram structure, and An extension hydraulic cylinder is connected between the extended folding beam frame and the intermediate connecting beam frame, and a folding hydraulic cylinder is connected between the supporting main beam frame and the parallel cross bar;
  • the planter frame includes an intermediate seeding rack and a side seeding rack, and the middle seeding rack is located between the seeding racks on both sides, and the seeding racks on both sides pass through the wide ground contouring mechanism and the outer extending folding beam respectively.
  • the two ends of the supporting main beam and the intermediate connecting beam are respectively fixed with guiding grooves.
  • the utility model avoids the side bend of the joint of the parallelogram hydraulic folding beam frame during the seeding operation, and at the same time facilitates the outward extension of the outer extension folding beam frame and the upward folding and resetting of the intermediate connecting beam frame, thereby effectively improving the working strength of the machine tool.
  • a scriber is attached to the outside of the outer extension folding frame.
  • the wide-width ground contouring mechanism comprises two pairs of front and rear opposed front profiling fixed blocks and rear profiling fixed blocks, the front profiling fixed blocks are fixedly connected with the outer extended folding beams, and the rear profiling fixed blocks and side beddings are respectively
  • the fixed connection of the frame, the two front profile fixing blocks, and the two rear profile fixing blocks are connected by a sleeve, and each pair of the front profile fixing block and the rear profile fixing block pass several parallel flat irons
  • the front and rear ends of the parallel flat iron are respectively hinged with the front profiling block and the rear profiling block by a hinge pin, and a tension spring is connected between the lower end of the front profiling block and the upper end of the rear profiling block.
  • the parallel flat irons corresponding to the left and right sides are fixedly connected by a sleeve.
  • the front and rear ends of the wide-width ground contouring mechanism are provided with U-shaped bolts, and the wide-width ground contouring mechanism is respectively connected with the parallelogram hydraulic folding beam frame and the side seeding frame through the U-shaped bolts, so the wide ground pattern is simulated
  • the shape mechanism is adjustable left and right.
  • the wide-width ground profile mechanism has a width of 500mm, which effectively reduces the left-right direction of freedom of the wide-width ground profile mechanism, and avoids the left and right sway of the planter in the floating process according to the ground undulation, which can achieve better
  • the ground contouring effect ensures consistent depth of seeding.
  • the fertilizing device comprises a fertilizer tank arranged above the front part of the seeding frame, an outer trough wheel type fertilizer device arranged under the fertilizer tank, a fertilizer driving shaft and a shoe type fertilizing opener, and an outer trough wheel type fertilizer discharging device. It is connected to the ground wheel drive by a chain drive.
  • the fertilizer discharger uniformly discharges the fertilizer in the fertilizer tank under the driving of the ground wheel, and the outer tank wheel type fertilizer discharge device can adjust the fertilizer discharge amount.
  • the seeding device comprises a seed box arranged above the middle of the planter frame and an inner filling type seeder arranged under the seed box, a seeding drive shaft, a plant spacing adjuster, a double disc seeding opener and a scraping machine
  • the soil plate is equipped with two internal filling type seeding devices at the bottom of each seed box, and the internal filling type seeding device is connected with the ground wheel driving device through the chain drive, and the plant spacing adjuster is arranged on the ground wheel driving sprocket and the seeding device. The adjustment of the planting plant spacing is achieved between the shaft sprockets.
  • the drip irrigation belt laying device is arranged at the middle and rear part of the planter frame, and the drip irrigation belt laying device comprises a drip irrigation belt wheel, a drip irrigation belt bracket and a placement correction wheel, and the drip irrigation belt is wound on the drip irrigation belt pulley, and the dripper belt pulley is arranged at Drop At the upper end of the filling bracket, the lower end of the drip irrigation belt bracket is connected with the planter, and the top of the calibration wheel is fixed on the large frame of the seeding machine.
  • the spraying device is disposed at a middle and a rear portion of the planter frame, and the spraying device comprises a medicine barrel, an electric booster pump, a medicine delivery tube and a spray rod, and the medicine tube is disposed above the wide ground contouring mechanism, and It is fixed on the supporting main beam by the cartridge holder.
  • the film laminating device is disposed at the end of the planter frame, and the film laminating device comprises a film ditching shovel, a film filling device, a laminating wheel, a film forming roller and a soil cultivating device, and the laminating wheel is fixed at the tail end of the planter frame.
  • the film roll is placed behind the large planter, and the earther is placed behind the film roll.
  • the membrane overburden is disposed at the rear of the planter frame, and the membrane overburden includes a spiral soil roller, and the spiral soil roller is provided with a leakage opening at a position of each row of the seeding belt.
  • the ridge plough, the shoe type fertilization opener and the double disc type seeding opener are all compacted by bolting bolts, and the height can be adjusted.
  • the invention has the advantages that the invention has the advantages of compactness, reasonableness, complete functions and multi-functionality, and can be used for mulching, fertilizing, sowing, leveling, spraying, drip irrigation, film laying and pressing of four ridges and eight rows of peanuts.
  • the agronomic techniques such as film, film and film covering are completed in one operation, the seeding depth is the same, the damage to the seed is small, the artificial seedling is exempted, and the parallel folding of the side seeding rack during transportation can be realized, which is suitable for the northeastern region of China.
  • Figure 1 is a front elevational view of the unfolded state of the present invention
  • Figure 2 is a plan view of the unfolded state of the present invention
  • Figure 3 is a perspective view of the unfolded state of the present invention.
  • Figure 4 is a perspective view of the wide-width ground contouring mechanism of the present invention.
  • Figure 5 is a front elevational view of the outer extension folding frame extending to both sides during the folding process of the present invention
  • Figure 6 is a front elevational view showing the folding of the sowing frames on both sides during the folding process of the present invention
  • Figure 7 is a front elevational view of the folding of the present invention.
  • Figure 8 is a perspective view of the folding completion of the present invention.
  • the invention relates to a foldable four-ridge and eight-row large-sized peanut planter, which is a wide-width peanut film-planting combined working machine.
  • the joint working machine comprises a suspension frame and a parallelogram hydraulic folding beam.
  • the frame 2 and the planter frame 26 are fixedly disposed at the front end of the parallelogram hydraulic folding beam frame 2, and are suspended by a three-point suspension type.
  • a rear end of the parallelogram hydraulic folding frame 2 is provided with a planter frame 26, and the parallelogram hydraulic folding frame 2 and the planter frame 26 are connected by a wide-width ground profile mechanism 29.
  • the parallelogram hydraulic folding beam frame 2 comprises a supporting main beam frame 46, an intermediate connecting beam frame 44, an outer extending folding beam frame 42 and a parallel cross bar 48, wherein the left and right sides of the supporting main beam frame 46 are provided with intermediate connecting beams
  • the frame 44 and the outer extension folding frame 42 are formed by fixedly connecting two horizontal directional beams and two vertical directional beams.
  • the left and right ends of the supporting main beam frame 46 are cylindrical, and the horizontal end beams of the outer extending folding frame 42 passing through the intermediate connecting beam frame 44 are respectively inserted into the two ends of the supporting main beam frame 46.
  • Two parallel parallel rails 48 are respectively arranged between the vertical directional beam of the intermediate connecting beam 44 on the left and right sides and the supporting main beam 46, the parallel crossbar 48 and the intermediate connecting beam 44, and the supporting main beam
  • Each of the 46 is hinged, and the supporting main beam 46, the intermediate connecting beam 44 and the parallel crossbar 48 constitute a parallelogram structure.
  • An outer extension hydraulic cylinder 43 is connected between the outer extension folding frame 42 and the two horizontal connection beams of the intermediate connection beam 44.
  • the support main beam 46 is connected with the folding hydraulic cylinder between the two parallel cross bars 48 at the same height. 47.
  • the control valve of the outer extension hydraulic cylinder 43 and the folding hydraulic cylinder 47 may be disposed on the tractor.
  • the connecting ends of the supporting main beam frame 46 and the intermediate connecting beam frame 44 respectively fix the guiding groove 45, which avoids the side bending of the joint of the parallelogram hydraulic folding beam frame 2 during the seeding operation, and at the same time facilitates the outward extension of the folding beam frame 42.
  • the outward extension and the upward folding and resetting of the intermediate connecting beam 44 effectively increase the working strength of the implement.
  • a scriber 31 is attached to the outer side of the outer extension folding frame 42 respectively.
  • the planter frame 26 includes an intermediate seeding rack 36 and a side seeding rack 33.
  • the intermediate seeding racks 36 are provided in two ridge width forms, and the side seeding racks 33 are all in the form of a single ridge width.
  • the frame 36 is located between the two side seeding racks 33, and the two side seeding frames 33 are respectively connected to the outer extending folding frame 42 by a wide ground contouring mechanism 29.
  • the right and left cross members of the planter frame 26 are respectively provided with left and right opposed ridge ploughs 28 corresponding to each ridge.
  • the supporting main beam frame 46, the intermediate connecting beam frame 44 and the parallel cross bar 48 in the parallelogram hydraulic folding beam frame 2 constitute a parallelogram structure, which can realize the parallel of the seeding racks 33 on both sides during transportation. fold.
  • the tractor is lifted off the ground by the tractor suspension device, and the outer extension hydraulic cylinder 43 is controlled to control the valve.
  • the outer extension folding frame 42 extends 250 mm to the outside under the action of the hydraulic cylinder, and then the tractor folding hydraulic cylinder 47 is controlled to control the valve.
  • the elongating cylinder folds the parallel crossbar 48 upward to a position at an angle of 61.5° to the supporting main beam 46, and the side seeding rack 33 fixed on both sides of the outer extension folding frame 42 is in the parallel crossbar 48 and the intermediate connecting beam 44 realize parallel folding and folding, and reversely operate the tractor externally extending hydraulic cylinder 43 control valve to pull the outer extension folding frame 42 back to the original position, and then complete the folding of the seeding machine, effectively Solved the problem of inconvenient transportation of wide-format machines.
  • the wide-width ground contouring mechanism 29 includes two pairs of front and rear opposed front profiling fixing blocks 49-1 and rear profiling fixing blocks 49-2, and the front profiling fixing blocks 49-1 are fixedly connected with the outer extending folding beams 42.
  • the rear profile fixing block 49-2 is fixedly coupled to the side seeding frame 33, and the two front profile fixing blocks 49-1 and the two rear profile fixing blocks 49-2 are connected by a sleeve 50.
  • Each pair of front profile fixing block 49-1 and rear profile fixing block 49-2 are connected by a plurality of parallel flat irons 54. The front and rear ends of the parallel flat irons 54 respectively pass through the hinge pin 56 and the front profile fixing block 49.
  • the rear profile fixing block 49-2 is hinged, and a tension spring 52 is connected between the lower end of the front profile fixing block and the upper end of the rear profile fixing block.
  • the parallel flat irons 54 corresponding to the left and right sides are fixedly connected by a sleeve 50, and both ends of the sleeve 50 are fixedly connected to the parallel flat irons 54 by screw rods 55 and fastening bolts 51, respectively.
  • the front and rear ends of the wide-width ground contouring mechanism 29 are provided with U-shaped bolts 53, that is, the wide-width ground contouring mechanism 29 is respectively connected to the parallelogram hydraulic folding beam frame 2 and the side seeding frame 33 by the U-shaped bolts 53 respectively. Connection, so the wide-width ground profile mechanism 29 is adjustable.
  • the wide-width ground contouring mechanism 29 has a design width of 500 mm, which effectively reduces the left-right direction freedom of the wide-width ground contouring mechanism 29, and prevents the planter frame 26 from swaying in the process of floating up and down according to the ground undulation, Achieve better ground contouring and ensure consistent depth of seeding.
  • a fertilizing device 5 On the planter frame 26, a fertilizing device 5, a seeding device 8, a drip tape laying device 11, a spraying device, a film coating device 13 and a membrane top cover 14 are arranged in order from the front to the rear, and the fertilizer application device 5 is located at the ridge plough 28 At the rear, a ground wheel drive unit 23 is mounted at the middle bottom of the planter frame 26.
  • the fertilizer application device 5 includes a fertilizer tank 6 disposed above the front portion of the seeding rack, an outer tank wheel type fertilizer device 41 disposed below the fertilizer tank 6, a fertilizer discharge drive shaft 40, and a shoe type fertilizer application opener 27.
  • the shoe type fertilizer application opener 27 is ditched and fertilized in the center of the ridge top, and the outer groove wheel type fertilizer extractor 41 is connected to the ground wheel drive device 23 by a chain drive, and the fertilizer discharge device drives the fertilizer tank 6 under the driving of the ground wheel 23.
  • the internal fertilizer is uniformly discharged, and the outer tank wheel type fertilizer discharger 41 can adjust the amount of fertilizer discharged.
  • the seeding device 8 includes a seed box 7 disposed above the middle of the planter frame 26, and an internal seed metering device 9 disposed below the seed box 7, a seeding drive shaft 24, a plant spacing adjuster 10, and a double disc.
  • the opener 25 and the moldboard 22 are sown.
  • the inner fill type seed meter 9 is connected to the ground wheel drive unit 23 by a chain drive.
  • a spacing adjuster 10 is installed between the ground wheel drive sprocket and the seed shaft sprocket to realize the adjustment of the seeding distance.
  • the invention is equipped with four seed boxes 7, which are respectively arranged in the middle seeding rack 36 and side seeding
  • two kinds of internal type seeding devices 9 are installed at the bottom of each seed box, and the seed metering device is rotated and driven by the ground wheel driving device 23, and falls into the double disc opener 25 to be opened. In the kind of ditch, the seeding is completed.
  • the drip tape spreader 11 and the spray device are disposed in the middle rear portion of the planter frame 26.
  • the drip irrigation belt spreader 11 includes a drip irrigation belt pulley 12, a drip irrigation belt support 21, and a placement correction wheel 19, and the drip irrigation belt is wound around the drip irrigation pulley 12, and the dripper pulley 12 is disposed at the upper end of the drip irrigation belt support 21, and the drip irrigation belt support 21 The lower end is connected to the planter frame 26.
  • the top end of the placement correction wheel 19 is fixed to the planter frame 26.
  • the drip tape can be laid in the center of the ridge top under the action of the placement correction wheel 19 during laying.
  • the spraying device comprises a medicine barrel 3, an electric booster pump 4, a medicine delivery tube 32 and a spray rod 38.
  • the medicine barrel 3 is arranged above the wide-width ground contouring mechanism 29, and is fixed to the supporting main beam by the cartridge holder 30. On the shelf 46.
  • the electric booster pump 4 is controlled by the tractor electric switch, and the pressure and flow rate in each branch delivery pipe 32 are adjusted by the electric booster pump 4, thereby effectively ensuring uniform spray and atomization effect.
  • the film coating device and the film top cover 14 are disposed at the end of the planter frame 26.
  • the film laminating device comprises a laminating shovel, a film packer 18, a laminating wheel 17, a film stretching roller 16, and a soil cultivator 15, the laminating machine 17 is fixed at the tail of the planter frame 26, and the film forming roller 16 is set in the seeding The rear of the machine frame 26.
  • the membrane overburden 14 includes a spiral soil blanket 34 that is provided with a leak opening 39 at the location of each row of seeding belts.
  • the cultivator 15 feeds the ridge soil from both sides into the spiral cover soil drum 34, and the soil is sprinkled by the leakage opening 39 on the surface of the mulch directly above the seeding belt under the pushing operation of the spiral soil roller 34. At the same time, it can promote the membrane germination after germination, eliminating the artificial seedlings in the later stage, compressing the planting process, saving time and effort.
  • the laminating wheel 16 and the film forming roller 17 can realize the lateral unfolding during the laying process of the film, can eliminate the longitudinal wrinkles caused by the stretching and the fracture problem during the laying process, and ensure the rapid soil fixing and the effective filming of the soil cultivator 15 layout.
  • the working feature of the parallelogram hydraulic folding beam frame 2 is that the machine casing 6 and the seed box 7 on the two sides of the seeding unit are always in a horizontal position while avoiding folding and leakage leakage;
  • the fertilizer box 6 on the frame 36 and the opening portion of the seed box 7 are provided with a fertilizer box cover 35 and a seed box cover 37, so as to prevent the falling of the soil in the upper bottom of the tank and the soil on the upper side of the frame, thereby ensuring the material in the box. Cleanliness.
  • the ridge plough 28, the shoe type fertilizing opener 27, and the double disc type seeding opener 25 are all compacted by a set of bolts, and the height is adjustable.
  • the various settings of the present invention are convenient to build according to different agronomic requirements.
  • the adjustment of ridge height, ditch depth, ridge width, fertilizer output and planting plant spacing effectively enhanced the applicability of the implement and the precision of fertilization and sowing, and realized the effective integration of agricultural machinery and agronomy.
  • the planter When working, firstly, according to the requirements of planting agronomy, set the relative installation position of the adjustable mechanism of the implement to reach the predetermined parameters, and then lead the drip irrigation belt and the mulch film to be fixed on the ground to be sown, and the planter follows the tractor: first ridge plough 28, the ridge is completed, and then the fertilizer device 41 uniformly discharges the fertilizer in the fertilizer tank 6 under the driving of the ground wheel driving device 23, and the fertilizer is opened by the shoe type fertilizer opener 27 at the center of the ridge;
  • the invention is designed for four-ridge and eight-line seeding, and is equipped with four kinds of boxes 7, each of which is provided with two internal filling and ejector seeding devices 9, and the seeding device 9 is also driven by the ground wheel driving device 23.
  • the implement is first lifted off the ground by the tractor suspension device, and the control valve of the extended hydraulic cylinder 43 is operated.
  • the outer extension folding frame 42 extends 250 mm to both sides under the action of the hydraulic cylinder 43, as shown in FIG.
  • the control valve of the folding hydraulic cylinder 47 is operated, and the extension cylinder folds the parallel crossbar 48 to a position at an angle of 61.5° with the support main beam 46, and the both sides of the seeder are fixed on the outer extension folding frame 42.
  • the frame will achieve parallel ascending poly-folding under the action of the parallel crossbar 48 and the intermediate link beam 44, as shown in FIG.
  • the outer extension hydraulic cylinder 43 control valve is again reversely manipulated to pull the outer extension folding frame 42 back to the original position, as shown in Fig. 7, at which time the folding of the seeding machine is completed to facilitate the transportation of the seeding machine.

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  • Life Sciences & Earth Sciences (AREA)
  • Soil Sciences (AREA)
  • Environmental Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Water Supply & Treatment (AREA)
  • Sowing (AREA)

Abstract

一种可折叠式四垄八行大型花生播种机，包括悬挂架（1）和播种机大架（26），还包括平行四边形液压折叠梁架（2），悬挂架（1）固定设置在平行四边形液压折叠梁架（2）的前端，平行四边形液压折叠梁架（2）的后方设有播种机大架（26）；平行四边形液压折叠梁架（2）包括支撑主梁架（46）、中间连接梁架（44）、外延伸折叠梁架（42）和平行横杆（48），支撑主梁架（46）、中间连接梁架（44）和平行横杆（48）构成平行四边形结构；播种机大架（26）包括中间播种机架（36）和侧边播种机架（33），中间播种机架（36）位于两侧边播种机架（33）之间，两侧边播种机架（33）分别通过宽幅地面仿形机构（29）与外延伸折叠梁架（42）连接。该播种机结构紧凑，功能齐全，集多道工序于一体，作业效率高，具有良好地面仿形。

Description

可折叠式四垄八行大型花生播种机 技术领域
本发明涉及农业机械装备技术领域，尤其涉及一种播种花生用的农用机械，具体地说是一种可折叠式四垄八行大型花生播种机。
背景技术
花生是我国的主要经济作物，也是最主要的油料作物之一，近几年随着社会发展的需要，全国花生种植面积在不断扩大。然而目前国内市场上开发研制的花生播种机主要以一到两垄小型机具为主，虽然能基本满足花生播种的农艺要求，但已不能满足我国东北地区、黄淮流域和西北地区等大中型地块花生种植主产区的机械化播种需求；而且，根据国外发展经验来看，大型作业机具将成主流，推行花生大型机械化播种作业已经迫在眉睫。此外，花生播种工序复杂，包含筑垄、施肥、播种、平整、喷药、滴灌带铺设、展膜、压膜、覆膜、膜上覆土等多道工序，而花生适播期又相对较短，人工或小型机具分段式播种存在作业效率低、劳动强度大、生产成本高等突出问题，不利于抢农时作业，严重影响了播种效率。由于花生种植垄间宽度较大，造成大型花生播种机具的研发试用存在地面仿形和道路运输困难等技术难题，以至于迟迟未能推向市场。
发明内容
根据上述不足之处，本发明的目的是提供一种能适应大面积地块种植，集筑垄、施肥、播种、平整、喷药、滴灌带铺设、展膜、压膜、覆膜、膜上覆土等多道工序于一体，高效率作业，且具有良好地面仿形，可实现道路运输过程对中折叠的四垄八行大型花生播种机。
本发明是采用以下技术方案实现的：一种可折叠式四垄八行大型花生播种机，包括悬挂架和播种机大架，其中，还包括平行四边形液压折叠梁架，悬挂架固定设置在平行四边形液压折叠梁架的前端，平行四边形液压折叠梁架的后方设有播种机大架；
平行四边形液压折叠梁架包括支撑主梁架、中间连接梁架、外延伸折叠梁架和平行横杆，其中支撑主梁架的左右两侧均设有中间连接梁架和外延伸折叠梁架，中间连接梁架由两水平方向梁架和两竖直方向梁架固定连接而成，支撑主梁架的左右两端呈筒状，外延伸折叠梁架内侧端穿过中间连接梁架的水平方向梁架分别插入支撑主梁架的两端，左右两侧的中间连接梁架的竖直方向梁架与支撑主梁架之间均设有两根平行的平行横杆，平行横杆与中间连接梁架、支撑主梁架之间均为铰接，支撑主梁架、中间连接梁架和平行横杆构成平行四边形结构，外 延伸折叠梁架与中间连接梁架之间连接有外延伸液压油缸，支撑主梁架与平行横杆之间连接有折叠液压油缸；
播种机大架包括中间播种机架和侧边播种机架，中间播种机架位于两侧边播种机架之间，两侧边播种机架分别通过宽幅地面仿形机构与外延伸折叠梁架连接，在播种机大架上从前到后依次设有起垄犁、施肥装置、播种装置、滴灌带铺设器、喷药装置、覆膜装置和膜上覆土器，播种机大架的中间底部安装有地轮驱动装置。
本发明中，所述支撑主梁架的两端与中间连接梁架连接处分别固定导向槽。其避免了平行四边形液压折叠梁架在播种作业时连接处的侧弯，同时方便外延伸折叠梁架向外延伸和中间连接梁架的上升折叠与复位，有效提高了的机具的工作强度。外延伸折叠梁架的外侧分别安装有划线器。
所述宽幅地面仿形机构包括两对前后对置式的前仿形固定块和后仿形固定块，前仿形固定块与外延伸折叠梁架固定连接，后仿形固定块与侧边播种机架固定连接，两前仿形固定块之间、以及两后仿形固定块之间均通过套筒连接，每对前仿形固定块和后仿形固定块之间通过数个平行扁铁连接，平行扁铁前后两端分别通过铰接销轴与前仿形固定块、后仿形固定块铰接，同时前仿形固定块的下端与后仿形固定块的上端之间连接有拉紧弹簧，左右两侧对应的平行扁铁之间通过套筒固定连接。
所述宽幅地面仿形机构的前后两端均设有U型螺栓，宽幅地面仿形机构通过U型螺栓分别与平行四边形液压折叠梁架和侧边播种机架连接，因此宽幅地面仿形机构左右可调。宽幅地面仿形机构设计幅宽为500mm，有效减小了宽幅地面仿形机构的左右方向自由度，避免播种机大架在根据地面起伏上下浮动工作过程中的左右晃动，可以达到更好的地面仿形效果，保证播种的深度的一致性。
所述施肥装置包括设置在播种大架前部上方的肥料箱、设置在肥料箱下方的外槽轮式排肥器、排肥传动轴和靴式施肥开沟器，外槽轮式排肥器通过链传动与地轮驱动装置连接。排肥器在地轮的驱动下将肥箱内肥料定量均匀排出，且外槽轮式排肥器可调节排肥量。
所述播种装置包括设置在播种机大架中部上方的种箱和设置在种箱下方的内充种式排种器、排种传动轴、株距调节器、双圆盘式播种开沟器和刮土板，每个种箱底部装有两个内充种式排种器，内充种式排种器通过链传动与地轮驱动装置连接，株距调节器设置在地轮驱动链轮与排种轴链轮之间，实现了播种株距的调节。
所述滴灌带铺设器设置在播种机大架的中后部，滴灌带铺设器包括滴灌带轮、滴灌带支架和铺放校正轮，滴灌带缠绕在滴灌带轮上，滴管带轮设置在滴 灌带支架的上端，滴灌带支架的下端与播种机大架连接，铺放校正轮的顶端固定在播种机大架上。
所述喷药装置设置在播种机大架的中后部，喷药装置包括药桶、电动增压泵、输药管和喷药杆，药筒设置在宽幅地面仿形机构的上方，并通过药筒支架固定在支撑主梁架上。
所述覆膜装置设置在播种机大架的末端，覆膜装置包括覆膜开沟铲、安膜器、压膜轮、展膜辊和培土器，压膜轮固定在播种机大架的尾部，展膜辊设置在播种机大架的后方，培土器设置在展膜辊的后方。
所述膜上覆土器设置在播种机大架的后方，膜上覆土器包括螺旋覆土滚筒，螺旋覆土滚筒正对各行播种带的位置留有漏土开口。
起垄犁、靴式施肥开沟器、双圆盘式播种开沟器均采用套杆螺栓压紧式安装，高低可调。
本发明的有益效果在于：本发明紧凑合理，功能齐全，集多功能为一体，可将四垄八行花生种植的筑垄、施肥、播种、平整、喷药、滴灌带铺设、展膜、压膜、覆膜、膜上覆土等农艺技术一次作业完成，播种深浅一致，对种子损伤小，免除人工抠苗，并可实现运输过程中的侧边播种机架的平行折叠，适应于我国东北地区、黄淮流域和西北地区等大中型地块花生主产区种植作业，减少人工投入，有效地解决了花生种植多次作业和宽幅机具不便运输的难题，大大提高了花生播种的效率，填补了中国大型花生播种作业机的空白。
附图说明
图1是本发明未折叠状态的主视图；
图2是本发明未折叠状态的俯视图；
图3是本发明未折叠状态的立体图；
图4是本发明中宽幅地面仿形机构的立体图；
图5是本发明中折叠过程中外延伸折叠梁架向两侧延伸时的主视图；
图6是本发明折叠过程中两侧播种机架折叠上升时的主视图；
图7是本发明折叠完成的主视图；；
图8为本发明折叠完成的立体图；
图中：1.悬挂架；2.平行四边形液压折叠；3.药筒；4.电动增压泵；5.施肥装置；6.肥料箱；7.种箱；8.播种装置；9.内充种式排种器；10.株距调节器；11.滴灌带铺设器；12.滴灌带轮；13.覆膜装置；14.膜上覆土器；15.培土器；16.展膜辊；17.压膜轮；18.安膜器；19.铺放校正轮；20.覆膜开沟铲；21.滴灌带支架；22.刮土板；23.地轮驱动装置；24.排种传动轴；25.双圆盘式播种开沟器；26.播种机大架；27.靴式施肥开沟器；28.起垄犁；29.宽幅地面仿形装置；30.药筒支架；31.划线器；32.输药管；33.侧边播种机架；34.螺旋覆土滚筒；35.肥箱盖； 36.中间播种机架；37.种箱盖；38.喷药杆；39.漏土开口；40.排肥传动轴；41.外槽轮式排肥器；42.外延伸折叠梁架；43.外延伸液压油缸；44.中间连接梁架；45.固定导向槽；46.支撑主梁架；47.折叠液压油缸；48.平行横杆；49-1.前仿形固定块；49-2.后仿形固定块；50.套筒；51.紧固螺栓；52.拉紧弹簧；53.U型螺栓；54.平行扁铁；55.丝杆；56.铰接销轴。
具体实施方式
下面结合附图说明本发明做进一步说明。
本发明为一种可折叠式四垄八行大型花生播种机，是一种宽幅花生覆膜播种联合作业机，如图1所示，该联合作业机包括悬挂架1、平行四边形液压折叠梁架2和播种机大架26，悬挂架1固定设置在平行四边形液压折叠梁架2的前端，采用三点悬挂式，由其完成与拖拉机的挂接。平行四边形液压折叠梁架2的后方设有播种机大架26，平行四边形液压折叠梁架2与播种机大架26之间通过宽幅地面仿形机构29连接。
所述平行四边形液压折叠梁架2包括支撑主梁架46、中间连接梁架44、外延伸折叠梁架42和平行横杆48，其中支撑主梁架46的左右两侧均设有中间连接梁架44和外延伸折叠梁架42，中间连接梁架44由两水平方向梁架和两竖直方向梁架固定连接而成。支撑主梁架46的左右两端呈筒状，外延伸折叠梁架42内侧端穿过中间连接梁架44的水平方向梁架分别插入支撑主梁架46的两端。左右两侧的中间连接梁架44的竖直方向梁架与支撑主梁架46之间分别设有两根平行的平行横杆48，平行横杆48与中间连接梁架44、支撑主梁架46之间均为铰接，支撑主梁架46、中间连接梁架44和平行横杆48构成平行四边形结构。外延伸折叠梁架42与中间连接梁架44的两水平连接梁架之间连接有外延伸液压油缸43，支撑主梁架46与位于同一高度的两平行横杆48之间连接有折叠液压油缸47。外延伸液压油缸43与折叠液压油缸47的控制阀可以设置在拖拉机上。支撑主梁架46的两端与中间连接梁架44连接处分别固定导向槽45，其避免了平行四边形液压折叠梁架2在播种作业时连接处的侧弯，同时方便外延伸折叠梁架42向外延伸和中间连接梁架44的上升折叠与复位，有效提高了的机具的工作强度。外延伸折叠梁架42的外侧分别安装有划线器31。
所述播种机大架26包括中间播种机架36和侧边播种机架33，中间播种机架36设置为两垄幅宽形式，侧边播种机架33均为单垄幅宽形式，中间播种机架36位于两侧边播种机架33之间，两侧边播种机架33分别通过宽幅地面仿形机构29与外延伸折叠梁架42连接。所述播种机大架26的最前端横梁上对应每垄地分别安装有左右对置式起垄犁28。
平行四边形液压折叠梁架2中的支撑主梁架46、中间连接梁架44和平行横杆48构成平行四边形结构，可实现运输过程中的两侧边播种机架33的平行 折叠。折叠时，先由拖拉机悬挂装置将机具升离地面，操纵外延伸液压油缸43控制阀，外延伸折叠梁架42在液压油缸的作用下向两外侧延伸250mm，然后操纵拖拉机折叠液压油缸47控制阀，伸长油缸将平行横杆48向上折叠至与支撑主梁架46呈61.5°夹角的位置固定，期间固定在外延伸折叠梁架42上两侧的侧边播种机架33会在平行横杆48和中间连接梁架44的作用下实现平行上升聚中折叠，再次反向操纵拖拉机外延伸液压油缸43控制阀，将外延伸折叠梁架42拉回原来位置，继而完成播种机的折叠，有效解决了宽幅机具不便运输的难题。
宽幅地面仿形机构29包括两对前后对置式的前仿形固定块49-1和后仿形固定块49-2，前仿形固定块49-1与外延伸折叠梁架42固定连接，后仿形固定块49-2与侧边播种机架33固定连接，两前仿形固定块49-1之间、以及两后仿形固定块49-2之间均通过套筒50连接。每对前仿形固定块49-1和后仿形固定块49-2之间通过数个平行扁铁54连接，平行扁铁54前后两端分别通过铰接销轴56与前仿形固定块49-1、后仿形固定块49-2铰接，同时前仿形固定块的下端与后仿形固定块的上端之间连接有拉紧弹簧52。左右两侧对应的平行扁铁54之间通过套筒50固定连接，套筒50的两端分别通过丝杆55和紧固螺栓51与平行扁铁54固定连接。所述宽幅地面仿形机构29的前后两端均设有U型螺栓53，即宽幅地面仿形机构29通过U型螺栓53分别与平行四边形液压折叠梁架2和侧边播种机架33连接，因此宽幅地面仿形机构29左右可调。宽幅地面仿形机构29设计幅宽为500mm，有效减小了宽幅地面仿形机构29的左右方向自由度，避免播种机大架26在根据地面起伏上下浮动工作过程中的左右晃动，可以达到更好的地面仿形效果，保证播种的深度的一致性。
在播种机大架26上从前到后依次设有施肥装置5、播种装置8、滴灌带铺设器11、喷药装置、覆膜装置13和膜上覆土器14，施肥装置5位于起垄犁28的后方，播种机大架26的中间底部安装有地轮驱动装置23。
所述施肥装置5包括设置在播种大架前部上方的肥料箱6、设置在肥料箱6下方的外槽轮式排肥器41、排肥传动轴40和靴式施肥开沟器27。靴式施肥开沟器27在垄顶中央开沟施肥，所述外槽轮式排肥器41通过链传动与地轮驱动装置23连接，排肥器在地轮23的驱动下将肥箱6内肥料定量均匀排出，且外槽轮式排肥器41可调节排肥量。
所述播种装置8包括设置在播种机大架26中部上方的种箱7和设置在种箱7下方的内充种式排种器9、排种传动轴24、株距调节器10、双圆盘式播种开沟器25和刮土板22。内充种式排种器9通过链传动与地轮驱动装置23连接。地轮驱动链轮与排种轴链轮之间安装有株距调节器10，实现了播种株距的调节。本发明配备了四个种箱7，种箱分别设置在中间播种机架36和侧边播种 机架33上，每个种箱底部装有两个内充种式排种器9，排种器在地轮驱动装置23驱动下转动排种，落入双圆盘开沟器25开好的种沟中，完成播种。
所述滴灌带铺设器11和喷药装置设置在播种机大架26的中后部。滴灌带铺设器11包括滴灌带轮12、滴灌带支架21和铺放校正轮19，滴灌带缠绕在滴灌带轮12上，滴管带轮12设置在滴灌带支架21的上端，滴灌带支架21的下端与播种机大架26连接。铺放校正轮19的顶端固定在播种机大架26上。铺设时滴灌带可在铺放校正轮19的作用下铺设于垄顶中央。喷药装置包括药桶3、电动增压泵4、输药管32和喷药杆38，药筒3设置在宽幅地面仿形机构29的上方，并通过药筒支架30固定在支撑主梁架46上。电动增压泵4由拖拉机电动开关控制，通过电动增压泵4调整各分支输药管32中的压力与流量，有效保证喷药均匀和雾化效果。
所述覆膜装置和膜上覆土器14设置在播种机大架26的末端。覆膜装置包括覆膜开沟铲、安膜器18、压膜轮17、展膜辊16和培土器15，压膜机17固定在播种机大架26的尾部，展膜辊16设置在播种机大架26的后方。所述膜上覆土器14包括螺旋覆土滚筒34，螺旋覆土滚筒34正对各行播种带的位置留有漏土开口39。工作时，培土器15将垄边土壤由两侧喂入到螺旋覆土滚筒34中，土壤在螺旋覆土滚筒34的推运作用下，由漏土开口39撒落在播种带正上方的地膜表面，起到压膜作用的同时可促使种子发芽后的破膜而出，免除了后期人工抠苗，压缩了种植工序，省时省力。
压膜轮16和展膜辊17可实现地膜铺设过程中的横向展开，能够消除因拉伸作用引起的纵向褶皱以及铺设过程中的断裂问题，保证的培土器15的快速培土固定和地膜的有效铺设。
平行四边形液压折叠梁架2的工作特点在于有效完成机具折叠的同时，两侧播种单体上的肥箱6与种箱7始终处于水平位置，避免了折叠倾斜漏料；所述的中间播种机架36上的肥箱6与种箱7上开口部设置有肥箱盖35和种箱盖37，防止折叠后上方两侧播种单体底部入土装置携带土块的落入，有效保证箱内物料的清洁度。
起垄犁28、靴式施肥开沟器27、双圆盘式播种开沟器25均采用套杆螺栓压紧式安装，高低可调，本发明的诸多设置方便根据不同种植农艺要求，进行筑垄高度、开沟深度、垄间宽度、排肥量和播种株距的调节，有效增强了机具的适用性和施肥播种精度，实现了农机农艺的有效融合。
工作时，首先根据播种农艺要求，设定机具可调节机构的相对安装位置，以达到预定参数，然后引出各垄滴灌带和地膜固定于待播地面，播种机跟随拖拉机前行：首先起垄犁28完成起垄，然后排肥器41在地轮驱动装置23的驱动下将肥箱6内的肥料定量均匀排出，由靴式施肥开沟器27在垄顶中央开沟施肥； 发明设计为四垄八行式播种，配备了四个种箱7，每个种箱底部装有两个内充宫吐式排种器9，排种器9同样在地轮驱动装置23的驱动下转动排种，落入双圆盘开沟器25开好的种沟中，完成播种；由于播种完成后种床上土壤松散，易因失墒而落干，必须由刮土板22及时进行平整镇压；随后喷药杆38将农药喷洒到垄面上，滴灌带铺放校正轮19将滴灌带铺设于垄顶中央；地膜在展膜辊17和压膜轮16的作用下随着机器的行走逐渐展开，由覆膜开沟铲20和培土器15将地膜固定于垄面；最后膜上覆土器14将土壤精确撒落在播种带正上方的地膜表面，完成整个播种过程。
播种完成后，首先由拖拉机悬挂装置将机具升离地面，操纵延伸液压油缸43的控制阀，外延伸折叠梁架42在液压油缸43的作用下向两侧延伸250mm，如附图5所示。然后操纵折叠液压油缸47的控制阀，伸长油缸将平行横杆48折叠至与支撑主梁架46形成61.5°夹角的位置固定，期间固定在外延伸折叠梁架42上的两侧边播种机架会在平行横杆48和中间链接梁架44的作用下实现平行上升聚中折叠，如附图6所示。再次反向操纵外延伸液压油缸43控制阀，将外延伸折叠梁架42拉回原来位置，如附图7所示，此时完成播种机的折叠，便于播种机的运输。
以上所述仅为本发明的优选实例，并不用于限制本发明，对于本领域的技术的有各种更改和变化，凡在本发明的精神和原则之内，所作的任何修改、等同替换、改进等，均包含在本发明的保护范围之内。

Claims (10)

  1. 一种可折叠式四垄八行大型花生播种机，包括悬挂架(1)和播种机大架(26)，其特征在于：还包括平行四边形液压折叠梁架(2)，悬挂架(1)固定设置在平行四边形液压折叠梁架(2)的前端，平行四边形液压折叠梁架(2)的后方设有播种机大架(26)；
    平行四边形液压折叠梁架(2)包括支撑主梁架(46)、中间连接梁架(44)、外延伸折叠梁架(42)和平行横杆(48)，其中支撑主梁架(46)的左右两侧均设有中间连接梁架(44)和外延伸折叠梁架(42)，中间连接梁架(44)由两水平方向梁架和两竖直方向梁架固定连接而成，支撑主梁架(46)的左右两端呈筒状，外延伸折叠梁架(42)内侧端穿过中间连接梁架(44)的水平方向梁架分别插入支撑主梁架(46)的两端，左右两侧的中间连接梁架(44)的竖直方向梁架与支撑主梁架(46)之间均设有两根平行的平行横杆(48)，平行横杆(48)与中间连接梁架(44)、支撑主梁架(46)铰接，支撑主梁架(46)、中间连接梁架(44)和平行横杆(48)构成平行四边形结构，外延伸折叠梁架(42)与中间连接梁架(44)之间连接有外延伸液压油缸(43)，支撑主梁架(46)与平行横杆(48)之间连接有折叠液压油缸(47)；
    播种机大架(26)包括中间播种机架(36)和侧边播种机架(33)，中间播种机架(36)位于两侧边播种机架(33)之间，两侧边播种机架(33)分别通过宽幅地面仿形机构(29)与外延伸折叠梁架(42)连接，在播种机大架(26)上从前到后依次设有起垄犁(28)、施肥装置(5)、播种装置(8)、滴灌带铺设器(11)、喷药装置、覆膜装置(13)和膜上覆土器(14)，播种机大架(26)的中间底部安装有地轮驱动装置(23)。
  2. 根据权利要求1所述的可折叠式四垄八行大型花生播种机，其特征在于：所述支撑主梁架(46)的两端与中间连接梁架(44)连接处分别固定导向槽(45)。
  3. 根据权利要求1所述的可折叠式四垄八行大型花生播种机，其特征在于：所述宽幅地面仿形机构(29)包括两对前后对置式的前仿形固定块(49-1)和后仿形固定块(49-2)，前仿形固定块(49-1)与外延伸折叠梁架(42)固定连接，后仿形固定块(49-2)与侧边播种机架(33)固定连接，两前仿形固定块(49-1)之间、以及两后仿形固定块(49-2)之间均通过套筒(50)连接，每对前仿形固定块(49-1)和后仿形固定块(49-2)之间通过数个平行扁铁(54)连接，平行扁铁(54)前后两端分别与前仿形固定块(49-1)、后仿形固定块(49-2)铰接，同时前仿形固定块的下端与后仿形固定块的上端之间连接有拉紧弹簧(52)，左右两侧对应的平行扁铁(54)之间通过套筒(50)固定连接。
  4. 根据权利要求3所述的可折叠式四垄八行大型花生播种机，其特征在于：所述宽幅地面仿形机构(29)的前后两端均设有U型螺栓(53)，宽幅地面仿形机构(29)通过U型螺栓(53)分别与平行四边形液压折叠梁架(2)和侧边播种机架(33)连接。
  5. 根据权利要求1所述的可折叠式四垄八行大型花生播种机，其特征在于：所述施肥装置(5)包括设置在播种大架前部上方的肥料箱(6)、设置在肥料箱(6)下方的外槽轮式排肥器(41)、排肥传动轴(40)和靴式施肥开沟器(27)，外槽轮式排肥器(41)通过链传动与地轮驱动装置(23)连接。
  6. 根据权利要求1所述的可折叠式四垄八行大型花生播种机，其特征在于：所述播种装置(8)包括设置在播种机大架(26)中部上方的种箱(7)和设置在种箱(7)下方的内充种式排种器(9)、排种传动轴(24)、株距调节器(10)、双圆盘式播种开沟器(25)和刮土板(22)，每个种箱底部装有两个内充种式排种器(9)，内充种式排种器(9)通过链传动与地轮驱动装置(23)连接，株距调节器(10)设置在地轮驱动链轮与排种轴链轮之间。
  7. 根据权利要求1所述的可折叠式四垄八行大型花生播种机，其特征在于：所述滴灌带铺设器(11)设置在播种机大架(26)的中后部，滴灌带铺设器(11)包括滴灌带轮(12)、滴灌带支架(21)和铺放校正轮(19)，滴灌带缠绕在滴灌带轮(12)上，滴管带轮(12)设置在滴灌带支架(21)的上端，滴灌带支架(21)的下端与播种机大架(26)连接，铺放校正轮(19)的顶端固定在播种机大架(26)上。
  8. 根据权利要求1所述的可折叠式四垄八行大型花生播种机，其特征在于：所述喷药装置设置在播种机大架(26)的中后部，喷药装置包括药桶(3)、电动增压泵(4)、输药管(32)和喷药杆(38)，药筒(3)设置在宽幅地面仿形机构(29)的上方，并通过药筒支架(30)固定在支撑主梁架(46)上。
  9. 根据权利要求1所述的可折叠式四垄八行大型花生播种机，其特征在于：所述覆膜装置设置在播种机大架(26)的末端，覆膜装置包括覆膜开沟铲、安膜器(18)、压膜轮(17)、展膜辊(16)和培土器(15)，压膜机(17)固定在播种机大架(26)的尾部，展膜辊(16)设置在播种机大架(26)的后方，培土器(15)设置在展膜辊(16)的后方。
  10. 根据权利要求1所述的可折叠式四垄八行大型花生播种机，其特征在于：所述膜上覆土器(14)设置在播种机大架(26)的后方，膜上覆土器(14)包括螺旋覆土滚筒(34)，螺旋覆土滚筒(34)正对各行播种带的位置留有漏土开口(39)。
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