EP2871927A2 - Module cueilleur, organe de récolte et machine de récolte pour maïs ou analogues - Google Patents

Module cueilleur, organe de récolte et machine de récolte pour maïs ou analogues

Info

Publication number
EP2871927A2
EP2871927A2 EP13739356.7A EP13739356A EP2871927A2 EP 2871927 A2 EP2871927 A2 EP 2871927A2 EP 13739356 A EP13739356 A EP 13739356A EP 2871927 A2 EP2871927 A2 EP 2871927A2
Authority
EP
European Patent Office
Prior art keywords
picking
feed
cutting blades
harvesting
picking unit
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.)
Withdrawn
Application number
EP13739356.7A
Other languages
German (de)
English (en)
Inventor
Franz Schrattenecker
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
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
Application filed by Individual filed Critical Individual
Publication of EP2871927A2 publication Critical patent/EP2871927A2/fr
Withdrawn legal-status Critical Current

Links

Classifications

    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01D—HARVESTING; MOWING
    • A01D45/00—Harvesting of standing crops
    • A01D45/02—Harvesting of standing crops of maize, i.e. kernel harvesting
    • A01D45/021—Cornheaders

Definitions

  • the invention relates to a picking unit for corn or the like for a header for a harvester.
  • the invention further relates to a harvesting attachment for a harvesting machine and a harvesting machine, in particular a combine harvester.
  • the picking unit for corn or the like includes a picking nip, counter-rotating pick rollers, counter-rotating pick-up chains, and horizontally rotating cutters.
  • the object of the invention is to improve the chopping effect in a picking unit of the type specified.
  • the drives for the feed rollers, the feeder chains and the cutting blades are independently adjustable. It is advantageous if these drives are centrally adjustable. Due to the independent adjustment of the drives, it is particularly possible to adjust the speeds of these drives the harvest conditions and / or the different varieties and / or stocks individually.
  • the picking gap preferably runs in a horizontal direction or in an approximately horizontal direction with an inclination from the front bottom to the rear top. It runs in the direction of the direction of movement of the harvester, which may in particular be a combine harvester.
  • the picking unit is arranged in the direction of movement in front of the harvester.
  • the feed rollers are on both sides of the picking gap. They are substantially parallel to the picking gap and at a distance from each other. The feed rollers are below the picking gap.
  • the horizontally rotating cutting blades rotate about a vertical or substantially vertical axis, ie in a horizontal or substantially horizontal plane.
  • the thus rotating cutting blades form a horizontal shredder. They are located below the feed rollers.
  • the counter-rotating feeder chains are arranged on both sides of the picking gap. They are above the picking gap. These are oppositely circulating chains which circulate in a substantially horizontal plane running parallel to the picking gap. At the feeder chains drivers are provided, which protrude into the area above the picking gap and move there from front to back.
  • the picking unit has vertically rotating cutting blades which can be driven together with the horizontally rotating cutting blades.
  • the vertically rotating cutting blades rotate about a horizontal or substantially horizontal axis.
  • the cutting blades thus rotate in a vertical or substantially vertical plane. They form a vertical shredder.
  • the vertically rotating blades are located below the picking gap and behind the cutting blades that form the horizontal chopper.
  • a feed roller has a section with a spirally encircling cutting edge. This feed roller can also be referred to as a knife roller.
  • the spiral-shaped cutting edge improves the chopping effect.
  • the stem of the maize plant or other plant in the center, in the fiber direction. This can cause the organic material to rotting better. In particular, it can be prevented that insects, which are problematic for the cultivation of the corn plant or other plant, can propagate inside the stem and / or overwinter.
  • the drives for the feed rollers, the feed chains and the cutting blades each have an input shaft and a transmission.
  • the invention further relates to a harvesting attachment for a harvester with a frame characterized by one or more picking units according to the invention and a pre-gearbox for independently driving the pick-up rollers, the draw-in chains and the picking unit's picking units or picking units.
  • the primary gear is attached to an end face of the frame.
  • the primary gear preferably has an input shaft and three output shafts.
  • a further advantageous embodiment is characterized in that the input shaft of the master gear extends behind the rear wall of the frame.
  • the output shafts of the primary gear can be connected via belt drives in the side box with the input shafts of the drives for the feed rollers, the feeder chains and the cutting blade.
  • the input shafts of the drives for the feed rollers, the feeder chains and the cutting knives of adjacent picking units are connected to each other.
  • the invention relates to a harvesting machine, in particular a combine harvester, which is characterized by a header according to the invention.
  • the input shaft of the primary gear can be connected or connected to a drive of the combine harvester.
  • 1 is a header for a harvester with a frame and several picking units for corn or the like in a perspective view obliquely from above,
  • FIG. 2 shows the harvesting attachment according to FIG. 1 in a perspective view obliquely from behind at the top, FIG.
  • FIG. 3 shows a part of the harvesting attachment according to FIGS. 1 and 2 without covering hoods in a view from above
  • FIG. 4 shows the harvesting attachment according to FIGS. 1 to 3 in a side view
  • 5a is a detail of FIG. 4 in a side view
  • FIG. 5b shows a detail from FIG. 5a in a perspective view
  • Fig. 5c is a further detail of Fig. 5a in a perspective
  • FIGS. 1 to 5 View, one end of the crop header according to FIGS. 1 to 5 with a primary gear in a perspective view, the primary gear according to FIG. 6 in a perspective view, a picking unit of the header in a perspective view obliquely from above, the picking unit according to FIG. 8 in a perspective view obliquely from above at the top, a modification of the picking unit according to FIGS. 8 and 9 in a perspective view corresponding to FIG. 9, a part of the picking unit according to FIGS. 8 to 10 in a perspective view obliquely from the front bottom to two Feed rollers formed as knife rollers and a horizontal chopper with a rotor with cutting blades in one plane,
  • FIG. 12 is the picking unit of FIG. 11 in an enlarged perspective view, a modification of the picking unit according to FIGS. 11 and 12 with a horizontal chopper with a rotor with cutting blades in three planes, a modification of the picking unit according to FIGS. 11 and 12 with a horizontal chopper with two rotors with cutting blades in one plane,
  • FIG. 5 shows a modification of the picking unit according to FIG. 14 with a horizontal chopper with two rotors with cutting blades in three planes each, FIG.
  • FIG. 16 the picking unit according to FIGS. 8 to 15 in a view from below, FIG.
  • FIG. 17 shows a modification of the picking unit according to FIG. 16 with one as
  • Knife roller and designed as a strip roll feed roller
  • FIG. 18 shows the picking unit in a perspective view corresponding obliquely from above at the top in FIG. 9, but without the housing, FIG.
  • Fig. 19 shows a part of the picking unit of FIG. 18 in an enlarged
  • Fig. 22 shows a part of the picking unit of FIG. 18 in a further enlarged view and Fig. 23 is another enlarged perspective view of the picking unit.
  • the harvesting attachment shown in FIGS. 1 and 2 for a harvesting machine in particular for a combine harvester, comprises a frame 1 which has a rear wall 2 and a bottom wall 3.
  • the frame has an L-shaped angle shape.
  • the rear wall 2 extends substantially in the vertical direction
  • the bottom wall 3 extends substantially in the horizontal direction.
  • the longitudinal extent of the frame 1 corresponds to the working width.
  • the frame 1 has side boxes 4 at its ends.
  • the rear wall 2 is provided with an elevation 5, which extends in extension of the rear wall 2 and the lateral chamfers 6 has.
  • a passage opening 7 is further provided which is bounded on both sides by the side walls 2 and by the bottom wall 3 and the elevation 5.
  • the passage opening 7 can serve for mounting the frame 1 on the harvesting vehicle.
  • the crop can be conveyed through the passage opening 7 from the front of the frame 1 to the harvesting vehicle.
  • a screw conveyor 8 is present in the frame, which is located in the transition region from the rear wall 2 to the bottom wall 3.
  • the frame 1 is formed as a continuous casting profile, preferably as a light metal extruded profile of aluminum or of a material containing aluminum.
  • On the bottom wall 3 of the frame 1 a plurality of picking units 9 for corn or the like are attached.
  • the picking units 9 each comprise a picking gap 10, which extends from the bottom front to the rear top.
  • the picking units 9 are arranged parallel to one another and at a distance from each other, preferably in each case at the same distance.
  • Each cover 11 has at its front end a tapered, widening towards the rear inlet region 12.
  • the picking column 10 Adjacent picking units 9 adjoin the inlet areas 12 of adjacent cover hoods 11.
  • Fig. 3 shows one end of the frame 1 and four picking units 9, in which the covers 11 have been removed.
  • Each picking unit 9 comprises two feed chains 13, which are arranged on both sides of the picking gap 10.
  • Each feed chain 13 runs endlessly around two rollers 15, which are rotatably mounted about approximately vertical, forwardly inclined axes, so that the feeder chains 13 rotate in opposite directions in approximately horizontal, forward inclined planes.
  • the mutually facing sides of the feed chains 13 are parallel to each other and at a distance from each other. They also extend parallel to and at a distance from the picking gap 10 from front to back.
  • On the feeder chains 13 drivers 14 are provided, which protrude into the region above the picking gap 10 and move there from front to back.
  • each picking unit 9 comprises a horizontal chopper 16.
  • the horizontal chopper 16 is located below the picking gap 10 and below the feed chains 13. It includes cutting blades 17 which rotate about a vertical axis in a horizontal plane. In the embodiment of Fig. 4, the cutting blades 17 are arranged in three superimposed, spaced-apart and mutually parallel planes.
  • each picking unit 9 comprises a vertical chopper 18 having cutting blades 19 which rotate about a horizontal axis in a vertical plane.
  • the vertical chopper is located below the picking gap and behind the picking gap and behind the horizontal chopper.
  • Each picking unit 9 comprises a housing 20.
  • the vertical chopper 18 is pivotally mounted on the housing 20 about a horizontal axis 21.
  • the horizontal axis 21 is located at the rear end of the housing 20th
  • the vertical chopper 18 has a frame 22 comprising two outer longitudinal struts 23.
  • the longitudinal struts 23 are parallel to each other and at a distance from each other. They run from the horizontal axis 21 to the rear.
  • a shaft 24 is mounted, on which the cutting blades 19 are attached.
  • the cutting blades 19 may be suspended pendulously about horizontal axes.
  • the shaft 24 of the vertical chopper 18 is driven by a belt drive, which is arranged in a longitudinal strut 23.
  • the belt drive comprises a belt 98, preferably a toothed belt.
  • the belt or toothed belt wraps around the shaft 24 and a drive shaft 97 which is coaxial with the horizontal axis 21.
  • the cutting blades 19 are disposed within the frame 22.
  • further cutting blades 19 are provided, which are arranged outside the frame.
  • the shaft 24 is extended on both sides over the longitudinal struts 23 to the outside.
  • each vertical chopper 18 of the adjacent picking units 9 can adapt to the course of the ground.
  • an adaptation of the respective vertical chopper 18 to the height of the soil is also possible if the ground height over the longitudinal extent of the frame 1, which extends transversely to the direction of travel of the combine varies.
  • each picking unit 9 has two feed rollers 26, 27.
  • the feed rollers 26 lie on both sides of the picking gap 10. They rotate in opposite directions about axes which are parallel to each other and at a distance from each other. The axes of rotation of the feed rollers 26, 27 are parallel to the picking gap 10 from the front bottom to the back top. They are below the picking gap 10.
  • An infeed roller 26 has a section 28 with a spirally revolving cutting edge 29.
  • the cutting edge 29 has a tapered cross section, which can be sharpened on.
  • the other feed roller 27 also has a section 30 with a spirally revolving cutting edge 31.
  • the cutting edges 29, 31 penetrate each other.
  • the outer diameter of the cutting edges 29, 31 overlap each other.
  • the arrangement is such that the spaced, adjacent portions 32 of the cutting edge 29 penetrate into the gaps between the spaced, adjacent portions 33 of the cutting edge 31 of the other feed roller 27, so that they can not collide with each other and not hinder each other.
  • the rotational movements of the feed rollers 26, 27 are synchronized to ensure this collision freedom.
  • the other feed roller 27 has a section 30 with a spirally encircling strip 34.
  • the strip 34 has a blunt-ending cross-section. It is a substantially rectangular cross-section.
  • the spirally revolving cutting edge 29 of the feed roller 26 and the spirally encircling strip 34 of the other feed roller 27 penetrate each other.
  • the outer diameter of the cutting edge 29 and the strip 34 overlap each other.
  • the arrangement is such that the spaced, adjacent portions 32 of the cutting edge 39 penetrate into the gaps between the spaced-apart, adjacent portions 33 of the strip 34 of the other feed roller 27, so that they do not conflict with each other. and can not interfere with each other.
  • the rotational movements of the feed rollers 26, 27 are synchronized to ensure this collision freedom.
  • corrugations 35 are recesses or elevations which extend in the longitudinal direction of the other feed roller 27 and which are spaced apart in the radial direction, preferably at an equal distance.
  • the feed rollers 26, 27 each have a catchment area 36.
  • the catchment areas 36 are located at the front ends of the feed rollers 26, 27. They are designed conical. The cone expands from front to back. At the rear end, the diameter of the cones of the draw-in regions 36 coincides with the diameter of the sections 28, 30 of the draw-in rollers 26, 27.
  • the sections 28, 30 of the draw-in rollers 26, 27 extend from the rear ends of the draw-in areas 36 to the rear ends of the draw-in rollers 26, 27.
  • both draw-in rollers 26, 27 have a catchment area 36 with a spirally encircling strip 37.
  • the feed roller 26 has a smooth catchment area 36.
  • the other feed roller 27 has a catchment area 36 with a spirally encircling strip 37.
  • all other combinations are possible.
  • both feed rollers 26, 27 have a smooth catchment area 36, that in both embodiments, the feed roller 26 has a smooth catchment area 36 and the other feed roller 27 has a catchment area 36 with a spirally extending bar 37 that in both embodiments the feed roller 26 has a catchment area 36 with a spirally revolving strip 37 and the other feed roller 27 has a smooth catchment area 36, and that in both embodiments both draw-in rollers 26, 27 have a catchment area 36 with a spirally encircling strip 37.
  • 11 and 12 show a picking unit 9 with a horizontal chopper 16, which has a rotor with two cutting blades 17 in a plane. In the embodiment according to FIG.
  • the picking unit 9 has a horizontal chopper 16 with a rotor, on each of which two cutting blades 17 are arranged in three superimposed, mutually spaced and mutually parallel planes.
  • the horizontal chopper 16 comprises two rotors, each with two cutting blades in one plane, these planes are offset in height from each other, so that the overlapping blade circles can not lead to a collision of the cutting blade 17.
  • the horizontal chopper 16 comprises two rotors, each with two cutting blades 7 in each case three superimposed, spaced-apart and mutually parallel planes. The knife planes of the two rotors are mutually offset in height to avoid collisions of the cutting blade 17, whose blade circles overlap.
  • the picking unit 9 is detachably connected to the bottom wall 3 of the frame 1.
  • the bottom wall 3 has a horizontally extending vertical bar 40, which comprises an upwardly directed support bar 41.
  • the vertical strip 40 is located at the front end of the bottom wall 3.
  • On the support bar 41 is a gripping bar 42.
  • the gripper bar 42 has on its underside a groove into which the support bar 41 engages with its upper end.
  • the gripper bar 42 is detachably connected by bolts to the housing 20 of the picking unit 9.
  • the connection point is located at the top of the housing 20.
  • the bolts extend in the vertical direction.
  • the vertical bar 40 may have a lower bar which is directed downwards. This bar and the support bar 41 may form a dovetail guide.
  • a horizontally extending horizontal bar 43 is also provided on the bottom wall 3 of the frame 1.
  • the horizontal bar 43 is located at the bottom of the bottom wall 3. It includes a rearwardly directed fastening strip 44.
  • the end of the fastening strip is bordered by a gripping strip 45, the purpose having a corresponding groove.
  • the gripper bar 45 is connected to the housing 20 of the picking unit 9 by bolts.
  • the connection point is at the rear upper end of the housing 20.
  • the bolts extend in the horizontal direction.
  • the gripper bar 42 can be connected to the housing 20.
  • the unit produced thereby can be hung in the support bar 41.
  • the housing 20 can be pivoted about the support bar 41 in the counterclockwise direction until the position shown in Fig. 5a is reached at which the rear upper end of the housing 20 abuts against a stop 46 which is located in front of the mounting bar 44.
  • the gripping bar 45 can be positioned from the back and fastened by the bolts on the housing 20.
  • the input shaft 50 drives the drive for the feed rollers 26, 27, the input shaft 51, the drive for the feed chains 3 and the input shaft 52, the drives for the cutting blade 17 of the horizontal chopper 16 and the cutting blade 19 of the vertical chopper 18th
  • Vorschaltgetriebe 53 is provided.
  • the Vorschaltgetriebe 53 is disposed behind the side wall 2 of the frame 1. It is attached to an end face of the frame 1, namely on the side box 4. The attachment of the Vorschaltgetriebes 43 takes place on the inwardly directed side wall of the side box. 4
  • the Vorschaltgetriebe 53 is driven by an input shaft 54.
  • the input shaft 54 extends behind the side wall 2 of the frame 1 in the horizontal direction. It is connected to a drive of the combine harvester.
  • the three output shafts 55, 56, 57 of the Vorschaltgetriebes 53 also extend in the horizontal direction. They surround the input shaft 54.
  • belt drives are driven, which are located in the side box 4.
  • the output shafts of these belt drives are connected to the input shafts 50, 51, 52 for the feed rollers 26, 27, the feed chains 13 and the cutting blades 17, 19.
  • the input shafts 50, 51, 52 and thus the feed rollers 26, 27, the feed chains 13 and the cutting blades 17, 19 are driven independently.
  • the drives for the feed rollers 26, 27, the feed chains 13 and the cutting blades 17, 19 are independently adjustable. This makes it possible to adjust the speeds of the feed rollers 26, 27, the feed chains 13 and the cutting blade 17, 19 the harvesting conditions and / or the different varieties and stocks.
  • the adjustment of the drives can be done centrally on the Vorschaltgetriebe 53.
  • the input shafts 50, 51, 52 extend below and in front of the bottom wall 3 of the frame 1. Further, the input shafts 50, 51, 52 of adjacent picking units 9 are connected to each other.
  • a side box 4 is arranged with a Vorschaltgetriebe 53 and belt drives.
  • the picking units 9 on the left half of the frame 1 are driven by the primary gear 53 on the left side box 4, the picking units 9 on the right half of the frame 1 by the pre-gear 53 on the right side box. 4
  • the drive for the feed rollers 26, 27 includes the input shaft 50 and a transmission.
  • two crown wheels 60 are fixed, which form with 61 corresponding two spur gears with corresponding spur gears.
  • the spur gears 61 are fixed to intermediate shafts 62, which extend from the bottom rear to the top front.
  • the intermediate shafts 62 are provided at their front ends with spur gears 63 which engage in crown gears 64, with which they form an angular gear.
  • the crown wheels 64 which belong to the two spur gears 63, are mounted facing away from each other on a component. They drive spur gears 65, which are connected to the feed rollers 26, 27.
  • the input shaft 52 for driving the cutting knives 17 of the horizontal chopper 16 and the cutting blade 19 of the vertical chopper 18 is connected to crown wheels 80, which lie in the region of the ends of the input shaft 52 and which are respectively facing outward.
  • the teeth of the crown wheels 80 engage in spur gears 81, which are each connected to an upper intermediate shaft 82.
  • the upper intermediate shafts 82 extend in the horizontal direction from back to front. They are provided at their other ends with spur gears 83 which engage in the teeth of crown wheels 84, with which they each form an angular gear.
  • the crown wheels 84 are arranged at the upper ends of vertically extending upper intermediate shafts 85 having corresponding crown wheels 86 at their lower ends.
  • the crown wheels 86 each form a bevel gear with spur gears 87.
  • the spur gears 87 are attached to the rear ends of vertically extending lower intermediate shafts 88, at the front ends of which corresponding spur gears 89 are arranged.
  • the spur gears 89 each form a bevel gear with crown wheels 90.
  • the crown gears 90 are mounted on the shaft or shafts 91 of the one or more rotors of the horizontal chopper 16.
  • a further crown gear 92 is disposed, which is located between the crown wheels 80. Its teeth mesh with a spur gear 93 with which it forms an angle gear.
  • the spur gear 93 is fixed to an intermediate shaft 94 which extends from the top front to the bottom rear.
  • a spur gear 95 is fixed, which forms an angle gear with a crown gear 96?
  • the crown gear 96 is fixed to the drive shaft 97 of the vertical chopper 18.
  • the drive shaft 97 is coaxial with the pivot axis 21 of the vertical chopper 18. It drives the shaft 24 with the cutting blades 19 via the toothed belt 98.

Landscapes

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

Abstract

Module cueilleur pour maïs ou analogues, destiné à un organe de récolte d'une machine de récolte, et comprenant un espace cueilleur (10), des rouleaux d'alimentation contrarotatifs, des chaînes d'alimentation (13) contrarotatives, et des couteaux (19) à rotation horizontale. Pour le perfectionnement d'un tel module cueilleur, les entraînements des rouleaux d'alimentation, les chaînes d'alimentation (13) et les couteaux (19) sont réglables séparément les uns des autres.
EP13739356.7A 2012-07-16 2013-07-12 Module cueilleur, organe de récolte et machine de récolte pour maïs ou analogues Withdrawn EP2871927A2 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE201210014087 DE102012014087A1 (de) 2012-07-16 2012-07-16 Pflückeinheit, Erntevorsatz und Erntemaschine für Mais oder dergleichen
PCT/EP2013/002082 WO2014012645A2 (fr) 2012-07-16 2013-07-12 Module cueilleur, organe de récolte et machine de récolte pour maïs ou analogues

Publications (1)

Publication Number Publication Date
EP2871927A2 true EP2871927A2 (fr) 2015-05-20

Family

ID=48808287

Family Applications (1)

Application Number Title Priority Date Filing Date
EP13739356.7A Withdrawn EP2871927A2 (fr) 2012-07-16 2013-07-12 Module cueilleur, organe de récolte et machine de récolte pour maïs ou analogues

Country Status (3)

Country Link
EP (1) EP2871927A2 (fr)
DE (1) DE102012014087A1 (fr)
WO (1) WO2014012645A2 (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9578804B2 (en) * 2014-04-23 2017-02-28 Cnh Industrial America Llc Header for an agricultural harvester with independent sub-system drives
US10058027B2 (en) 2016-08-26 2018-08-28 Cnh Industrial America Llc Agricultural harvester row unit
CN107006210B (zh) * 2017-05-25 2018-08-10 东莞合安机电有限公司 木耳采摘机构

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5921070A (en) * 1997-06-13 1999-07-13 Fmc Corporation Corn head with variable knife and gathering belt speed
EP2335472B1 (fr) * 2009-12-18 2012-08-01 Olimac S.r.l. Dispositif de coupe de tiges et machine pour la récolte du maïs équipé de celui-ci
WO2012024554A1 (fr) * 2010-08-19 2012-02-23 Agco Corporation Vis d'alimentation à vitesse indépendante

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See references of WO2014012645A2 *

Also Published As

Publication number Publication date
WO2014012645A2 (fr) 2014-01-23
DE102012014087A1 (de) 2014-01-16
WO2014012645A3 (fr) 2014-04-10

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