EP2871925A1 - 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
EP2871925A1
EP2871925A1 EP13734338.0A EP13734338A EP2871925A1 EP 2871925 A1 EP2871925 A1 EP 2871925A1 EP 13734338 A EP13734338 A EP 13734338A EP 2871925 A1 EP2871925 A1 EP 2871925A1
Authority
EP
European Patent Office
Prior art keywords
picking
picking unit
feed
cutting edge
feed roller
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Withdrawn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
EP13734338.0A
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 EP2871925A1 publication Critical patent/EP2871925A1/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Withdrawn legal-status Critical Current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
    • A01D45/025—Snapping rolls
    • 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
    • A01D45/028—Harvesting devices mounted to a vehicle
    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01D—HARVESTING; MOWING
    • A01D41/00—Combines, i.e. harvesters or mowers combined with threshing devices
    • A01D41/12—Details of combines
    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01D—HARVESTING; MOWING
    • A01D57/00—Delivering mechanisms for harvesters or mowers
    • A01D57/22—Delivering mechanisms for harvesters or mowers for standing stalks
    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01D—HARVESTING; MOWING
    • A01D82/00—Crop conditioners, i.e. machines for crushing or bruising stalks
    • A01D82/02—Rollers for crop conditioners

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 comprises a picking gap on which two counter-rotating feed rollers are arranged.
  • Such a picking unit is known from DE 299 09 358 U1.
  • the object of the invention is to improve the chopping effect in a picking unit of the type specified.
  • the picking gap 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 picking unit may comprise further components. It may in particular comprise rotating cutting blades.
  • the 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 chopper. They are located below the feed rollers.
  • the picking unit may further comprise feeder chains.
  • the feeder chains are arranged on both sides of the picking gap. They are above the
  • the picking unit may further comprise further rotating cutting blades which 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 other rotating cutting 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 revolving cutting edge.
  • This feed roller can also be referred to as a knife roller.
  • the spiral-shaped cutting edge improves the chopping effect.
  • the other feed roller has a section with a spirally revolving cutting edge. As a result, the chaff effect can be further improved.
  • the other feed roller has a section with a spirally encircling strip.
  • This feed roller can also be referred to as a strip roller.
  • the strip does not have, like the spiral-shaped cutting edge, a pointed cross-section which can be sharpened, but a blunt-ended cross-section. Also, the chaff effect can be further improved.
  • the spirally encircling cutting edge of a feed roller and the spirally encircling cutting edge of the other feed roller penetrate each other.
  • the outer diameters of the sections of the blades overlap each other.
  • the arrangement is such that the spaced apart portions of the cutting edge of a feed roller penetrate into the gaps between the spaced sections of the cutting edge of the other feed roller, so that they can not collide with each other and not hinder each other.
  • the rotational movements of the feed rollers are synchronized to ensure this collision freedom permanently.
  • corrugations are present between the spaced-apart sections of the spirally revolving strip of the other feed roller.
  • the chaff effect can be further improved.
  • One or both feed rollers may have a smooth catchment area.
  • one or both feed rollers may have a catchment area with a spirally revolving bar.
  • the catchment area of one or both draw-in rollers may be designed conical. The cone widens towards the rear.
  • the invention further relates to a header for a harvester with a frame which is characterized by one or more picking units according to the invention.
  • the invention relates to a harvesting machine, in particular a combine harvester, which is characterized by a header according to the invention.
  • FIG. 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, the harvesting header of FIG. 1 in a perspective view obliquely from above, a part of the header according to FIG .. 1 and 2 without cover hoods in a view from above, the harvesting attachment according to FIGS. 1 to 3 in a side view,
  • 5a is a detail of FIG. 4 in a side view
  • 5b shows a detail from FIG. 5a in a perspective view
  • FIG. 5a is a detail of FIG. 4 in a side view
  • 5b shows a detail from FIG. 5a in a perspective view
  • Fig. 5c is a further detail of Fig. 5a in a perspective
  • FIG. 6 is an end of the header according to FIG. 1 to 5 with a primary gear in a perspective view
  • FIG. 7 is a front view of the primary gear according to FIG. 6 in a perspective view, FIG.
  • FIG. 9 is the picking unit of FIG. 8 in a perspective view obliquely from behind the top
  • FIGS. 10 shows a modification of the picking unit according to FIGS. 8 and 9 in one of the FIGS
  • FIG. 11 shows a part of the picking unit according to FIGS. 8 to 10 in a perspective view obliquely from the bottom front with two feed rollers designed as knife rollers and a horizontal chopper with a rotor with cutting blades in one plane, FIG.
  • FIG. 13 shows 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
  • 14 shows 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. 15 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 of FIG. 8 to 15 in a view from below and
  • FIG. 17 shows a modification of the picking unit according to FIG. 16 with one as
  • Knife roller and trained as a strip roller feed roller Knife roller and trained as a strip roller feed roller.
  • 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 Emte 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, 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 gaps 10 of adjacent picking units 9 adjoin the inlet areas 12 of adjacent covering 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 feeder 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 which comprises 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, preferably a toothed belt.
  • the belt or toothed belt wraps around the shaft 24 and a drive shaft 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 be adapted 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 forward front bottom down to the rear 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-apart, adjacent portions 33 of the cutting edge 31 of the other feed roller 27 so that they do not touch each other can collide 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, adjacent portions 33 of the strip 34 of the other feed roller 27 so that they can not collide with each other and do not hinder 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.
  • both feed rollers 26, 27 have a smooth catchment area 36
  • the feed roller 26 has a smooth catchment area 36
  • the other feed roller 27 has a catchment area 36 with a spirally extending bar 37
  • the feed roller 26 has a catchment area 36 with a spirally revolving strip 37
  • the other feed roller 27 has a smooth catchment area 36
  • both draw-in rollers 26, 27 have a catchment area 36 with a spirally encircling strip 37.
  • FIG. 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.
  • 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.
  • Fig. 14 shows a picking unit 9 with a horizontal chopper 16, which has a rotor with two cutting blades 17 in a plane.
  • the horizontal chopper 16 comprises two rotors, each with two cutting blades 17 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 strip 40, which comprises an upwardly directed support rail 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 strip 43 is located at the bottom of the bottom wall 3. It comprises a rearwardly directed fastening strip 44.
  • the end of the fastening strip is bordered by a gripping strip 45, which has a corresponding groove for this purpose.
  • 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 13 and the input shaft 52, the drives for the cutting blade 17 of the Hori- zontalhiereslers 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.
  • the input shafts 50, 51, 52 extend below and in front of the bottom wall 3 of the frame 1. Furthermore, the input shafts 50, 51, 52 of neighboring picking units th 9 interconnected.
  • 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

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Environmental Sciences (AREA)
  • Harvesting Machines For Specific Crops (AREA)
  • Harvester Elements (AREA)
  • Threshing Machine Elements (AREA)
  • Outside Dividers And Delivering Mechanisms For Harvesters (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) bordé de deux rouleaux d'alimentation (26, 27) contrarotatifs. Aux fins d'un perfectionnement d'un tel module cueilleur, un rouleau d'alimentation (26) présente une section (28) pourvue d'une lame (29) s'étendant en spirale autour de ladite section.
EP13734338.0A 2012-07-16 2013-07-03 Module cueilleur, organe de récolte et machine de récolte pour maïs ou analogues Withdrawn EP2871925A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102012014085.1A DE102012014085A1 (de) 2012-07-16 2012-07-16 Pflückeinheit, Erntevorsatz und Erntemaschine für Mais oder dergleichen
PCT/EP2013/001946 WO2014012626A1 (fr) 2012-07-16 2013-07-03 Module cueilleur, organe de récolte et machine de récolte pour maïs ou analogues

Publications (1)

Publication Number Publication Date
EP2871925A1 true EP2871925A1 (fr) 2015-05-20

Family

ID=48747510

Family Applications (1)

Application Number Title Priority Date Filing Date
EP13734338.0A Withdrawn EP2871925A1 (fr) 2012-07-16 2013-07-03 Module cueilleur, organe de récolte et machine de récolte pour maïs ou analogues

Country Status (7)

Country Link
US (1) US20150257337A1 (fr)
EP (1) EP2871925A1 (fr)
CN (1) CN104640435A (fr)
BR (1) BR112015001050A2 (fr)
DE (1) DE102012014085A1 (fr)
RU (1) RU2015104972A (fr)
WO (1) WO2014012626A1 (fr)

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CN109041775B (zh) * 2018-08-28 2020-10-16 河南科技大学 一种单侧夹持菠萝采摘装置及其使用方法
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US11758848B2 (en) 2020-04-08 2023-09-19 Ag Leader Technology Devices, systems, and methods for sensing the cross-sectional area of stalks
JP7499693B2 (ja) * 2020-12-23 2024-06-14 株式会社クボタ コンバイン
US11678607B2 (en) 2020-07-01 2023-06-20 Ag Leader Technology Apparatus, systems and methods for eliminating cross-track error
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Also Published As

Publication number Publication date
CN104640435A (zh) 2015-05-20
BR112015001050A2 (pt) 2017-06-27
US20150257337A1 (en) 2015-09-17
DE102012014085A1 (de) 2014-01-16
RU2015104972A (ru) 2016-09-10
WO2014012626A1 (fr) 2014-01-23

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