WO2017005343A1 - Bloc de coupe muni d'un dispositif transporteur à courroie et d'ouvertures de sortie d'air - Google Patents

Bloc de coupe muni d'un dispositif transporteur à courroie et d'ouvertures de sortie d'air Download PDF

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Publication number
WO2017005343A1
WO2017005343A1 PCT/EP2016/001069 EP2016001069W WO2017005343A1 WO 2017005343 A1 WO2017005343 A1 WO 2017005343A1 EP 2016001069 W EP2016001069 W EP 2016001069W WO 2017005343 A1 WO2017005343 A1 WO 2017005343A1
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WO
WIPO (PCT)
Prior art keywords
cutting unit
belt conveyor
air
air outlet
outlet openings
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/EP2016/001069
Other languages
German (de)
English (en)
Inventor
Stephan Schulze Selting
Jan Van De Sluis
Reimer Tiessen
Michael Pokriefke
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.)
Carl Geringhoff GmbH and Co KG
Original Assignee
Carl Geringhoff GmbH and Co KG
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 Carl Geringhoff GmbH and Co KG filed Critical Carl Geringhoff GmbH and Co KG
Publication of WO2017005343A1 publication Critical patent/WO2017005343A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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Classifications

    • 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
    • A01D41/14—Mowing tables
    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01D—HARVESTING; MOWING
    • A01D34/00—Mowers; Mowing apparatus of harvesters
    • A01D34/01—Mowers; Mowing apparatus of harvesters characterised by features relating to the type of cutting apparatus
    • A01D34/02—Mowers; Mowing apparatus of harvesters characterised by features relating to the type of cutting apparatus having reciprocating cutters
    • A01D34/40—Other details
    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01D—HARVESTING; MOWING
    • A01D57/00—Delivering mechanisms for harvesters or mowers
    • A01D57/20—Delivering mechanisms for harvesters or mowers with conveyor belts

Definitions

  • the present invention relates to a header for attachment to a combine with a frame, a cutter bar, belt conveyors for conveying the cut crop, and drive devices for driving the cutter bar and the belt conveyors.
  • Cutting units cut the blades of the crop with the oscillating cutter bar, the cut blades then fall onto the band conveyor following the cutter bar and are transported away from there into a harvester such as a combine harvester.
  • the cut stalk material is conveyed by the belt conveyors into a discharge zone of the cutting unit and from there to downstream conveying members of a harvester, such as the feederhouse and intake duct of a combine harvester handed.
  • rotating reels are frequently used on cutting units, which support the blades during and after the cut above the cutter bar and deposit them on the cutting unit.
  • reel tines which are attached to the reel tubes, with a correspondingly low setting of the reel relative to the cutter bar and bearing grain can be transported across the cutter bar on the belt conveyor.
  • Draper cutting units In a cutting unit with belt conveyors are so-called Draper cutting units, in which the belt conveyors endlessly rotate around end arranged deflection and drive rollers. Since with such Draper reapers the
  • stalk crops are also harvested fruits that grow into pods, such as legumes such as soybeans or rapeseed.
  • pods such as legumes such as soybeans or rapeseed.
  • the pods burst, and thereby the grains are thrown into the environment. Also as a result, grains can fall as crop from the belt conveyor on the soil and go lost as a crop.
  • the deflection rollers of the belt conveyors must have a certain minimum diameter so as not to excessively burden the elastomeric strip material of the belt conveyors with too small looping radii.
  • the height level between the cutter bar and the top of the belt conveyor can therefore not be avoided. Due to the height level, it becomes more difficult to dispense the cut crop lossless from the cutter bar on top of the belt conveyor.
  • the object is achieved for a generic cutting unit by formed in the region of a height level between the cutter bar and the front edge of the top of the belt conveyor an inclined inclined in the conveying direction of the crop sliding surface at the lower end of air outlet openings are formed, the respective exiting air flow in an upward pointing Let escape direction or which are associated with guide elements that direct the respective exiting air flow by their shape and arrangement in an upward direction.
  • the air outlet openings can not cause any grain losses before the crop is cut.
  • the air outlet openings also do not obstruct the driver's view of the crop stock directly in the area of the cut edge. Since most grain losses in the cutting area occur in the area of the cutter bar, in particular by unintentionally dropping grains from the belt conveyor onto the soil, this positioning of the air outlet openings enables an effective reduction of the grain losses.
  • the air emerging from the air outlet openings forms a kind of veil, through which the cut stalks coming from the front and supported by the reel and subsequent cut crop easily can be conveyed through, a passage in the opposite direction but is difficult.
  • Grains rolling down from the belt conveyor or grains hurled forward by bursting pods are at least slowed down by the air flow emerging from the air outlet openings and at best blown back into the area of the belt conveyor.
  • the grains blown by the air flow can be more easily detected and taken away by the flow of fresh material from the cut straw, so that the grains can no longer be lost to the field soil.
  • the air flow reduces the friction of the crop on the sliding surface by lifting it.
  • the number of the air outlet openings and the flow rate of the air flow emerging from the air outlet openings are selected in a suitable manner.
  • the openings in the air outlet openings must not be too large.
  • the distances between adjacent air outlet openings may not be too large to avoid grain losses. From the air flows from the air outlet openings results in an induced air flow through which amplifies the flow effect.
  • the invention is advantageous in multi-part cutting units, the cutting unit parts are arranged movable to each other and having a common cutter bar, can be used. Due to the mutually movable cutting unit parts and the common cutter bar support with mechanical drives that supports all cutting parts in a comparable manner in the removal of the cut crop, too difficult and technically difficult to implement.
  • the aid with air support is flexible in comparison and can easily adapt to different pivotal positions of the individual parts of the cutting unit.
  • the mechanics are the blowers that can be placed elsewhere than near the knife bar, otherwise only the air ducts and air outlets are required, which are relatively lightweight, compact and easy to operate.
  • the air flow exiting from the air outlet openings or the air flow diverted by the guide elements flows upwardly at an angle of inclination to the horizontal from 90 ° down to 45 ° in the conveying direction of the crop stream.
  • the flow direction of the air flow exiting or diverted from the air outlet openings transversely to or Towards the direction of travel of the harvesting machine, grains that move out of the area of the belt conveyor onto the cutter bar and the front edge of the cutting unit are braked particularly effectively.
  • a transversely extending to the advancing direction of the cutting and a plurality of air outlet openings interconnecting air duct is arranged, which is supplied via one or more supply lines by a blower compressed air.
  • the air flowing out of the air outlet openings can be distributed uniformly and effectively via an air duct extending in the transverse direction parallel to the cutter bar.
  • the air duct can be composed of individual building modules, which can be strung together as needed and thus allow flexible adaptation to different cutting widths.
  • the supply lines for the forwarding of the compressed air from the one or more blowers to the air duct may be laid on the underside of the cutting unit. Hollow sections can also be used as feed lines, which belong, for example, to the frame of the cutting unit or which carry the knife bar as a pivotable link and which are connected to the air channel in the front area of the cutting unit.
  • the invention form an air duct and / or the sliding surface at its uppermost edge of a survey, which is higher than the top of the front edge of the downstream belt conveyor.
  • the survey forms a threshold, which slows down and prevents unwanted falling out of Erntegutkörnern from the cutting unit, in particular grain grains from a belt conveyor forward to the cutter bar.
  • the air duct requires a certain cross-sectional size in order to supply sufficient air to the outlet openings.
  • the fan is arranged on the back of the cutting unit and the air flow from the fan to the air duct through the gap between the supply and return of a belt conveyor. At the back of the cutting unit, the fan can suck in air containing little suspended particles coming from the harvester and the harvester
  • Cutting unit have been whirled into the air.
  • the fan may suck in the air from an area above the cutter. If the blower is still positioned close to the cab on the rear wall of the cutting unit, dusty air can be sucked out of the field of view in front of the driver's cab and blown to the outlet nozzles in the cutting unit. The dust particles contained in the air are blown from there into the Erntegutstrom and taken from this into the harvester inside, so that the view from the cab on the cutting unit and its function is improved overall. It is also possible to suck in all or part of the air from an area behind the cutting unit.
  • the air duct forms on its back with its rear wall down to the belt conveyor reaching down case. Grain losses can be avoided particularly effectively if a drop step is formed at the front edge of the belt conveyor, along which grains accumulating there can be conveyed away with the belt conveyor.
  • the rear wall of the air duct forms the drop level, can be dispensed with in this area on separate components. Even a fold or drop of a few millimeters in height may be sufficient to form a drop step that can effectively hold grains on the belt conveyor.
  • the air duct in the abutting region to the belt conveyor on air outlet openings Through air outlet openings in this area, the belt conveyor can be sealed against grain losses that occur when the belt conveyor with its front edge is not very close to an adjacent boundary.
  • airflow passes through the non-sealingly closed slots between the boundary and the belt conveyor via the air outlet openings from the air duct, grains are thereby blown back onto the belt conveyor.
  • the suction side of the blower on a connection piece, to which a connecting line to the intake duct of a Combine can be connected.
  • Some combine models have the problem of blowing air out of the interior of the combine from the intake duct, which contains significant amounts of dust. This dust rises from the front opening of the intake channel and obstructs the view of the combine driver on the cutting unit and the harvesting process.
  • the dust load is sucked out of the intake duct and injected into the crop flow via the fan and the air duct, distributed over the entire width of the cutting unit, close to the ground. From there, the dust barely rises up into the air.
  • a visual obstruction of the combine driver by dust from the intake duct is thereby significantly reduced.
  • a portion of an air duct and / or the supply lines of several parts is composed and the parts have a running in the longitudinal direction of the components dividing seam to each other.
  • the parts may be in particular plastic moldings that can be inserted into one another.
  • a first one of the parts can be fixedly connected to the cutter, while a second of the parts is connected to the first part only by a readily detachable connection, such as by a clamp, catch or clip closure. If the second part is removed from the first part, the interior of the air duct and / or the supply line is open and can be easily rinsed with an air gun or a high-pressure cleaner.
  • the wind speed of the fan can be regulated and / or the fan can be operated temporarily in a suction mode.
  • the drive of the blower can be done hydraulically, electrically or mechanically via a shaft and an output from another drive. In order to be able to adapt the wind speed of the air flow emerging from the air outlet openings to the concrete harvesting conditions, it is advantageous if this can be regulated.
  • a cleaning cycle can be triggered automatically, for example, when lifting the cutting unit on the headland.
  • the air duct has a branch line, with which the air flow moved in the air duct is directed to a location at the stalk material is transferred from a belt conveyor to another downstream belt conveyor, and wherein the branch line has an air outlet nozzle on the transfer point is addressed.
  • the air flow from the air duct can be used in this way in addition to reduce any grain losses at transfer areas of belt conveyors by the grains that threaten to fall from the donating belt conveyor to fall down, blown from the exiting the air outlet nozzle air flow back into the stream from which they are taken on the accepting belt conveyor.
  • the air outlet openings are covered by a flexible resting on the air outlet openings cover strip.
  • the cover strip does not have to close tightly when covering in the rest position rest the air outlet openings, it is sufficient if the cover strip rests with an edge or inner surface completely or approximately sealingly on a mating surface which may be formed in the sliding surface.
  • the cover strip may be made of an elastomeric or metallic material. Due to the air pressure in the air duct, which arises during operation of the blower, the cover strip is lifted off the air flowing out of the air outlet openings out of the air outlet openings.
  • the air flow then exits between the surface of the sliding surface and the upper edge of the cover strip from the intermediate space, which is formed by an air cushion between the inner surface of the cover strip and the sliding surface.
  • the flexibility of the cover strip or its storage should be matched to the air pressure in the air duct, the size of the air outlet openings and the desired flow velocity of the air flow in the exit region between the surface of the sliding surface and the upper edge of the cover strip.
  • the extent to which the cover strip lifts from the rest position of the sliding surface can be changed by the pressure prevailing in the air duct. Through the cover strip, the air flow is deflected from the air outlet openings in the desired direction upwards or obliquely upwards.
  • the cover strip does not have to be fixed at its upper edge facing the sliding surface, but can stand out freely from the sliding surface with the then free end under the effect of air pressure. In this case it is advantageous to fix the cover strip only at its end facing the cutter bar.
  • the cover strip causes a homogenization of the air flow in the transverse and flow directions. The cover strip also impedes the ingress of dirt into the air duct.
  • the upper end of the cover strip opposite a contact surface of an elastomeric material in the sliding surface educated.
  • the elastomeric material results in a better sealing effect between the cover strip and the sliding surface.
  • FIG. 1 shows a partial view of the cutting unit shown in Fig. 1,
  • FIG. 5 shows a schematic view of a transfer zone from one belt conveyor to another belt conveyor
  • FIG. 8 is a sectional view through an air duct with guide element, in which a separate bearing surface is formed
  • FIG. 10 a perspective view of the variant shown in Fig. 10,
  • FIG. 12 is a sectional view of a variant with an air guide plate as a guide element
  • FIG. 13 is a perspective view of the variant shown in FIG. 12;
  • Fig. 15 a front view of the variant shown in Fig. 14, and
  • FIG. 16 is a view obliquely from above of that shown in FIGS. 14 and 15.
  • FIG. 16 is a view obliquely from above of that shown in FIGS. 14 and 15.
  • Fig. 1 is a view of a cutting unit 2 is shown from a view obliquely from the front.
  • the cutting unit 2 has a frame 4, with which the cutting unit 2 can be attached to a harvester such as a combine harvester.
  • a harvester such as a combine harvester.
  • front part of a knife bar 6 is fixed to the frame 4, can be cut with the stalk crop in the right of way of the harvester into the stock.
  • the crop cut by the cutter bar 6 then drops onto the belt conveyor 14, which is located behind the cutter bar 6, as viewed in the direction of travel.
  • the belt conveyor 14 consists of two lateral belt conveyors 8, which convey the cut stalk material to the central region of the cutting unit 2, and a third belt conveyor 8, which is arranged in the central region of the cutting unit 2 and which conveyed him Discharge crop to the rear of the intake channel of a combine harvester.
  • an air duct 10 which has an approximately triangular or trapezoidal cross-section, wherein the flatter side is aligned to the cutter bar 6 out.
  • the forwardly facing wall of the air duct 10 forms on its outer side a sliding surface 11, slides over the cut crop from the plane of the cutter bar 6 to the plane of the top of the belt conveyor 14 downstream in the conveying direction.
  • In the front region of the air channel 0 are a number of air outlet openings 12, from each of which emerges an air flow indicated by arrows.
  • the outlet openings from the air outlet openings 12 are designed and aligned in such a way that they point upwards counter to the working direction of the knife bar 6 and the air flow exiting through the air outlet openings 12 flows counter to the direction of travel of the cutting unit 2.
  • the air outlet openings 12 are arranged in the front region of the air duct 10 and in direct connection to the cutter bar 6.
  • the air outlet openings 12 are evenly distributed over the width of the cutter bar 6, so that sets over the working width of the cutting unit 2, an at least approximately uniform air flow.
  • the arrows pointing laterally in FIG. 2 to the cavity of the rear tube of the frame 4 indicate that a fan may be integrated in the frame 4.
  • the blower sucks the air flow laterally through the open cross section of the tube of the frame 4, the air flow is then forwarded via the support arms of the knife bar 6, from where the air flow into the air duct 10 passes and leaves this through the air outlet openings 12 again.
  • the air outlet openings 12 are arranged in two rows one behind the other on the upper side of the air channel 10, so that there is a displacement of the air outlet openings 2 in the longitudinal direction of the cutting unit. It can be seen from the view in FIG. 3 that grains which fall onto the sliding surface 11 are detected by the air flow emerging from the air outlet openings 12 and are conveyed away into the region of the belt conveyor 8.
  • the rear wall 16 of the air duct 10 can be seen in FIG. 3, by which it is delimited by the belt conveyor 14 or the belt conveyor 8 is.
  • the rear wall 16 forms a step to the surface of the belt conveyor 8, which prevents as a barrier that on the belt conveyor 14 and the belt conveyor 8 conveyed grains can fall back into the range of the cutter bar 6 or on the soil.
  • FIG. 4 an alternative embodiment of a cutting unit 2 is shown, in which the blower 20 are not arranged in the frame 4, but as separate components in the rear region of the frame 4.
  • the blower 20 are not arranged in the frame 4, but as separate components in the rear region of the frame 4.
  • the exemplary embodiment can be found on a cutting side three blowers 20, which each transmit via a supply line 18 the air flow generated by them to the air duct 10.
  • the air duct 10 forms an elevation with respect to the downstream belt conveyor device 14.
  • the air outlet openings 12 are on the cutter bar 6 facing side of the survey.
  • a transfer point between two belt conveyors 8 is shown.
  • the stalk material carried on the belt conveyors is indicated by two bright arrows.
  • the crop to be transferred from the left belt conveyor 8 to the right belt conveyor 8 must overcome the transfer point 24 as lossless as possible.
  • there is a branch line 22 of an air duct which has an air outlet nozzle 12 at its end. From the air outlet nozzle 12 exits an indicated by a black arrow air flow, which is directed to the transfer point 24. From the air flow grains that threaten to fall from the left belt conveyor 8 coming at the transfer point 24 down to blow up again, where the grains are then taken with the flow to the right belt conveyor 8, so that the grains overcome the transfer point 24 without loss ,
  • Fig. 5 a transfer point between two belt conveyors 8 is shown.
  • the stalk material carried on the belt conveyors is indicated by two bright arrows.
  • the crop to be transferred from the left belt conveyor 8 to the right belt conveyor 8 must overcome the transfer point 24 as lossless as possible.
  • FIG. 6 it is shown how supply lines 18 are guided through the intermediate space between the supply and return of a belt conveyor 8.
  • the air duct 10 is shown in Fig. 6 spaced from the belt conveyor 8, but this has only illustrative reasons. In the practical embodiment, the air duct 10 is attached with its rear wall 16 to the front edge of the belt conveyor 8. From Fig. 6 it can be seen that instead of the separate manifold with the connection piece at the back, the profile of the frame 4 for air distribution and for the connection of supply lines 18 can be used.
  • FIG. 7 shows a cross-sectional view through an air duct 10, in which the air outlet openings 12 are covered with a guide element 26.
  • the guide element 26 is a cover strip which is fixed at one end on the cutter bar 6. The other end of the cover strip is not fixed, so that at an increased air pressure from the air duct 10, the free end of the sliding surface 1 1 is lifted, so that a slot is formed, indicated by the airflow as indicated by the arrow in Fig. 7 can pass upwards diagonally.
  • the air flow thus flows from the air duct 10 through the air outlet opening 12 into the intermediate space 30, where the air flow is deflected obliquely upwards and then flows upward through the slot between the sliding surface 11 and the free end of the cover strip.
  • Fig. 8 is a modification of the embodiment of the air duct 10 shown in Fig. 7 is shown.
  • the cover strip is not attached as a guide element 26 with the specified end in the range of the cutter bar 6, but this is screwed directly onto the guide surface 11 at its lower edge.
  • the cover strip rests only with the free end on the sliding surface 11, including extending the gap 30 through which the air from the air passage 10 can flow through the air outlet openings 12.
  • the free end of the cover strip rests on a contact surface 28, which is made in the embodiment of an elastomeric material.
  • the formation of the contact surface 28 of an elastomeric material avoids that the free end rubs the paint from the underlying sheet, which could lead to corrosion.
  • the elastomeric material may also better abut the edge of the cover strip, whereby the sealing of the air outlet openings 12 is improved by the guide element 26.
  • the cross-sectional view is again shown by an arrow, as an air flow first enters from the air duct 10 through the air outlet openings 12 in the intermediate space 30, but there is twice deflected by the guide element 26, so that the air flow in the region of the free end of the cover strip parallel to Sliding surface 11 flows out of the intermediate space 30.
  • Fig. 9 is a perspective view of the embodiment shown in Fig. 8 is shown.
  • FIG. 10 in turn, a modification is shown in which an air flow from the air passage 10 through the air outlet openings 12 flows in an upward direction.
  • the flow direction of the exiting air is again by an arrow indicated.
  • the upward air flow is generated here by the air outlet opening 12 has an approximately horizontal position between the cutter bar 6 and the air duct 10. This position of the air outlet opening 12 automatically results in an almost vertically upwardly directed air flow.
  • the guide element 26 is formed as a baffle, with which the emerging from the air outlet opening 12 air flow is deflected by more than 90 °.
  • the baffle is however fixed.
  • the air flow emerging from the air outlet opening 12 can flow along it in a curved path in order to achieve a flow direction which is aligned approximately parallel to the angular position of the sliding surface 11.
  • the air flow flowing out of the air duct 10 is therefore initially directed to the cutter bar 6, but is deflected by the guide plate as guide element 26 in a direction obliquely upwards along the slide surface.
  • Fig. 13 the embodiment shown in Fig. 12 is shown in a perspective view.
  • FIG. 14 a further embodiment is shown in a sectional view, in which the air outlet opening 12 is produced via a hose as a guide element 26, which is inserted into an opening located in the side wall of the air channel 10. is inserted and has an arcuate curvature, through which the air stream initially flowing in the direction of the cutter bar 6 is deflected in a direction obliquely upward along the sliding surface 11.
  • the hose is provided on its inside with air outlet openings 12, it may be wholly or partially open on the side facing away from the cutter bar 6, or the hose has an elongated slot through which an air flow in an upward direction to the sliding surface 11 and can emerge diagonally upwards.
  • an inclination of the air hoses across the working width of the air flow is also directed in a direction which is oblique to the central longitudinal axis of the cutting unit 2.
  • the hoses can be rotated so that the air flow exiting them blows crop in a desired conveying direction, for example, in the outer region of the working width arranged hoses towards the center of the working width, and arranged in the central region of the working width of a cutting hoses in the direction of the inclined conveyor the harvester.
  • In the area between the hoses and the sliding surface 11 may still preferably be formed obliquely to the hose hanging formed catching surfaces, which close the gap between the hoses and the sliding surface 11.

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  • Life Sciences & Earth Sciences (AREA)
  • Environmental Sciences (AREA)
  • Harvester Elements (AREA)
  • Outside Dividers And Delivering Mechanisms For Harvesters (AREA)

Abstract

L'invention concerne un bloc de coupe (2) destiné à être monté sur une moissonneuse-batteuse comportant un cadre (4), une barre de coupe (6), des dispositifs transporteurs à courroie (14) pour l'évacuation du fourrage coupé et des dispositifs d'entraînement pour l'entraînement de la barre de coupe (6) et des dispositifs transporteurs à courroie (14). L'invention vise à réduire les pertes de récolte dans la zone de l'étage située entre la barre de coupe et la face supérieure du dispositif transporteur à courroie. L'invention propose à cet effet un bloc de coupe muni d'un dispositif transporteur à courroie. Une surface lisse (11) inclinée à l'oblique dans la direction du transport de la récolte est réalisée dans la zone d'un étage élevé entre la barre de coupe (6) et l'arête avant de la face supérieure des transporteurs à courroie (14). L'extrémité inférieure de la surface inclinée est pourvue d'ouvertures de sortie d'air (12), qui laissent sortir le flux d'air sortant respectif dans une direction pointant vers le haut ou qui sont associées à des éléments de guidage (26), qui guident le flux d'air sortant respectif dans une direction pointant vers le haut grâce à leur forme et leur disposition.
PCT/EP2016/001069 2015-07-03 2016-06-23 Bloc de coupe muni d'un dispositif transporteur à courroie et d'ouvertures de sortie d'air Ceased WO2017005343A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102015110746.5A DE102015110746A1 (de) 2015-07-03 2015-07-03 Schneidwerk mit Bandfördervorrichtung und Luftaustrittsöffnungen
DE102015110746.5 2015-07-03

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WO2017005343A1 true WO2017005343A1 (fr) 2017-01-12

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CN109618648A (zh) * 2019-01-26 2019-04-16 农业农村部南京农业机械化研究所 一种联合收割机割台气力吹送装置
US11224167B2 (en) 2019-11-20 2022-01-18 Deere & Company Loss catch and recirculation system for draper head
US11483977B2 (en) 2020-01-06 2022-11-01 Deere & Company Grain loss prevention system using air blowers
US20230124269A1 (en) * 2021-10-14 2023-04-20 Carl Geringhoff Gmbh & Co. Kg Draper Head with Retrofitting Interface to an Air Conveying System
CN117981561A (zh) * 2024-02-21 2024-05-07 农业农村部南京农业机械化研究所 一种油菜落粒气力回收装置及低位拨禾割台

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US20230284563A1 (en) * 2022-03-08 2023-09-14 Oxbo International Corporation Auger pan air nozzle
DE102022112817A1 (de) 2022-05-20 2023-11-23 Carl Geringhoff Gmbh & Co. Kommanditgesellschaft Schneidwerk mit Doppelmessersystem und beweglicher Gleitfläche
DE102022112818A1 (de) 2022-05-20 2023-11-23 Carl Geringhoff Gmbh & Co. Kommanditgesellschaft Schneidwerk mit Doppelmessersystem und beweglicher Gleitfläche

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CN109618648A (zh) * 2019-01-26 2019-04-16 农业农村部南京农业机械化研究所 一种联合收割机割台气力吹送装置
CN109618648B (zh) * 2019-01-26 2024-01-19 农业农村部南京农业机械化研究所 一种联合收割机割台气力吹送装置
US11224167B2 (en) 2019-11-20 2022-01-18 Deere & Company Loss catch and recirculation system for draper head
US11483977B2 (en) 2020-01-06 2022-11-01 Deere & Company Grain loss prevention system using air blowers
US20230124269A1 (en) * 2021-10-14 2023-04-20 Carl Geringhoff Gmbh & Co. Kg Draper Head with Retrofitting Interface to an Air Conveying System
US12514161B2 (en) * 2021-10-14 2026-01-06 Carl Geringhoff Gmbh & Co. Kg Draper head with retrofitting interface to an air conveying system
CN117981561A (zh) * 2024-02-21 2024-05-07 农业农村部南京农业机械化研究所 一种油菜落粒气力回收装置及低位拨禾割台

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