EP0481203B1 - Self-propelled harvesting machine - Google Patents
Self-propelled harvesting machine Download PDFInfo
- Publication number
- EP0481203B1 EP0481203B1 EP91114783A EP91114783A EP0481203B1 EP 0481203 B1 EP0481203 B1 EP 0481203B1 EP 91114783 A EP91114783 A EP 91114783A EP 91114783 A EP91114783 A EP 91114783A EP 0481203 B1 EP0481203 B1 EP 0481203B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- sieve device
- self
- filter device
- suction
- air
- 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.)
- Expired - Lifetime
Links
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01P—COOLING OF MACHINES OR ENGINES IN GENERAL; COOLING OF INTERNAL-COMBUSTION ENGINES
- F01P11/00—Component parts, details, or accessories not provided for in, or of interest apart from, groups F01P1/00 - F01P9/00
- F01P11/12—Filtering, cooling, or silencing cooling-air
Definitions
- the innovation relates to a self-propelled harvesting machine with a drive motor, a cooler with cooler fan and a sieve device assigned to the latter for retaining dirt particles present in the sucked-in cooling air, the rotating sieve device in the area of the air intake side being assigned a suction housing which is at least partially open to the sieve device and whose effective suction surface is smaller than the air inlet area of the rotating screen device.
- a self-propelled combine harvester which has a rotating sieve device which is arranged upstream of the engine cooler and the fan of the drive engine.
- the purpose of such a rotating sieve device is to retain protective particles from the air drawn in by the motor fan, so that the water cooler arranged between the sieve device and the fan does not clog with dust and dirt.
- a bypass channel is provided which bypasses the cooler and with one open end directly in front of the intake side of the fan ends and opens into a suction housing, which is mounted on the air supply side of the rotating sieve device close to it and is open on its side facing the sieve device.
- the innovation is based on the problem of sucking off the dirt particles that settle on the suction side of a rotating sieve device of a chopper and to discharge them in such a way that neither contaminations of the harvesting machine nor a risk of fire due to settling contaminants arise without complicated and expensive air guidance systems inside of the engine compartment because of the small available installation space.
- the harvesting machine is a chopper known per se with a post-accelerator arranged in its discharge chute, the suction housing assigned to the rotating sieve device being connected via a line to the suction side of the post-accelerator, for example the rotating sieve device between the engine compartment and the Line is arranged.
- the connection from the post-accelerator to the rotating sieve device is very simple, and on the other hand, the air flow goes directly outside through the outlet pipe without polluting any machine parts with dust.
- a self-propelled forage harvester which in a known manner has front material intake elements 2, which are followed by the actual chopping unit 3.
- the material comminuted by this chopping unit 3 arrives at a pair of conditioning rollers 4, through which the chopped material is crushed.
- a post-accelerator 6 is provided behind the pair of conditioning rollers 4, viewed in the conveying direction. It essentially consists of a drivable axis 7 and its associated conveyor strips 8, the conveyor strips 8 being at a distance from the axis 7.
- the conveyor strips act mechanically on the crops fed to them by the conditioning roller pair and fling the latter out through the ejection channel 5 with sufficient energy.
- the post-accelerator 6 is designed as part of the ejection channel 5.
- a line 9 is connected to the suction side of this post-accelerator and its other end is connected to a housing 10.
- the latter is assigned to a rotating sieve device 11 and covers both a part of its end face 12 and a part of its jacket 13, the housing on its side facing the rotating sieve device 11 being completely open or at least having openings so that dust and contaminants pass through the line 9 can be suctioned off. This ensures that, on the one hand, the rotating sieve device cannot become clogged and, on the other hand, the engine compartment 14 does not become dirty, since the extracted particles with the chopped material leave the machine compartment via the ejection channel.
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Combines (AREA)
- Fertilizing (AREA)
- Harvesting Machines For Specific Crops (AREA)
Description
Die Neuerung betrifft eine selbstfahrende Erntemaschine mit einem Antriebsmotor, einem Kühler mit Kühlerventilator und einer letzterem zugeordneten Siebeinrichtung zum Zurückhalten von in der angesogenen Kühlluft vorhandenen Schmutzpartikel, wobei der rotierenden Siebeinrichtung im Bereich der Luftansaugseite ein zur Siebeinrichtung zumindest teilweise offenes Sauggehäuse zugeordenet ist, dessen wirksame Saugfläche kleiner ist als die Lufteinlaßfläche der rotierenden Siebeinrichtung.The innovation relates to a self-propelled harvesting machine with a drive motor, a cooler with cooler fan and a sieve device assigned to the latter for retaining dirt particles present in the sucked-in cooling air, the rotating sieve device in the area of the air intake side being assigned a suction housing which is at least partially open to the sieve device and whose effective suction surface is smaller than the air inlet area of the rotating screen device.
Aus der Praxis ist ein selbstfahrender Mähdrescher bekannt, der eine rotierende Siebeinrichtung aufweist, die dem Motorkühler und dem Ventilator des Antriebsmotors vorgeordnet ist. Der Zweck einer derartigen rotierenden Siebeinrichtung liegt darin, Schutzpartikel aus der vom Motorventilator angesaugten Luft zurückzuhalten, damit der zwischen Siebeinrichtung und Ventilator angeordnete Wasserkühler nicht mit Staub und Schmutz zusetzt. Um nun aber zu erreichen, daß sich die rotierende Siebeinrichtung selbst nicht mit Staub und Schmutz zusetzt, ist ein Umgehungskanal vorgesehen, der den Kühler umgeht und mit seinem einen offenen Ende direkt vor der Ansaugseite des Ventilators endet und in ein Sauggehäuse mündet, welches auf der Luftzufuhrseite der rotierenden Siebeinrichtung nahe dieser angebaut ist und an seiner der Siebeinrichtung zugewandten Seite offen ist. Auf diese Weise wird erreicht, daß vom Motorventilator Luft über den Umgehungskanal durch das Gehäuse gesaugt wird und durch den Luftstrom die an der Ansaugseite der rotierenden Siebeinrichtung anhaftenden Staub- und Schmutzpartikel abgesaugt werden. Die rotierende Siebeinrichtung bleibt infolgedessen sauber , so daß stets genügend saubere Luft zur Kühlung des Wasserkühlers vom Motorventilator angesogen werden kann. Der Nachteil, so zu verfahren, liegt allerdings darin, daß der durch das Reinigungsgehäuse von der Außenseite der rotierenden Siebeinrichtung abgezogene mit Verunreinigungen durchsetzte Luftstrom direkt in den Motorraum geblasen wird und diesen verschmutzt. Der Schmutz primär ist hier nicht der ausschlaggebende Faktor, sondern vielmehr die durch den von der Motorwärme getrockneten Staub hervorgerufene Brandgefahr. Es wurde auch schon vorgeschlagen, die angesogene verschmutzte Luft über Luftführungskanäle im Motorraum am Motor vorbeizuführen. Dieser Versuch brachte aber nicht den gewünschten Erfolg, da die Kanäle wegen Mangel an Einbauraum nur relativ klein im Durchmesser gehalten werden konnten, so daß keine ausreichende Abfuhr der verschmutzten Luft gewährleistet war.In practice, a self-propelled combine harvester is known which has a rotating sieve device which is arranged upstream of the engine cooler and the fan of the drive engine. The purpose of such a rotating sieve device is to retain protective particles from the air drawn in by the motor fan, so that the water cooler arranged between the sieve device and the fan does not clog with dust and dirt. However, in order to ensure that the rotating sieve device itself does not become clogged with dust and dirt, a bypass channel is provided which bypasses the cooler and with one open end directly in front of the intake side of the fan ends and opens into a suction housing, which is mounted on the air supply side of the rotating sieve device close to it and is open on its side facing the sieve device. In this way it is achieved that air is sucked through the bypass duct through the housing by the motor fan and the dust and dirt particles adhering to the suction side of the rotating sieve device are sucked off by the air flow. As a result, the rotating sieve device remains clean, so that enough clean air can always be drawn in by the motor fan to cool the water cooler. The disadvantage of doing so, however, is that the air flow drawn through the cleaning housing from the outside of the rotating sieve device and contaminated with it is blown directly into the engine compartment and contaminates it. Primarily, the dirt is not the decisive factor here, but rather the fire hazard caused by the dust dried by the engine heat. It has also already been proposed that the sucked-in polluted air be led past the engine via air ducts in the engine compartment. However, this attempt did not bring the desired success, since the ducts could only be kept relatively small in diameter due to the lack of installation space, so that adequate removal of the polluted air was not ensured.
Aus EP-A-0 117 591 ist eine gattungsgemäße Erntemaschine bekannt, bei der sich and der Siebeinrichtung absetzende Schmutzpartikel durch eine Öffnung einem Stroh führenden Kanal zugeführt werden.From EP-A-0 117 591 a generic harvesting machine is known, in which dirt particles settling on the sieve device are fed through an opening to a channel carrying straw.
Der Neuerung liegt, ausgehend von einer derartigen Erntemaschine das Problem zugrunde, die sich an der Ansaugseite einer rotierenden Siebeinrichtung eines Häckslers absetzenden Schmutzpartikel abzusaugen und so abzuleiten, daß weder Verunreinigungen der Erntemaschine noch Brandgefahr durch sich festsetzenden Verunreinigungen entstehen, ohne komplizierte und teure Luftleitsysteme im inneren des Motorraumes wegen des geringen vorhandenen Einbauraums hierfür vorsehen zu müssen. Das wird neuerungsgemäß dadurch erreicht, daß die Erntemaschine ein an sich bekannter Häcksler mit in seinem Auswurfschacht angeordneten Nachbeschleuniger ist, wobei das der rotierenden Siebeinrichtung zugeordnete Sauggehäuse über eine Leitung mit der Saugseite des Nachbeschleunigers verbunden ist, wobei beispielsweise die rotierende Siebeinrichtung zwischen dem Motorraum und der Leitung angeordnet ist. In diesem Fall gestaltet sich zum einen die Verbindung vom Nachbeschleuniger zur rotierenden Siebeinrichtung sehr einfach und zum anderen gelangt der Luftstrom direkt über das Ausfallrohr ins Freie, ohne irgendwelche Maschinenteile mit Staub zu belasten.Based on such a harvesting machine, the innovation is based on the problem of sucking off the dirt particles that settle on the suction side of a rotating sieve device of a chopper and to discharge them in such a way that neither contaminations of the harvesting machine nor a risk of fire due to settling contaminants arise without complicated and expensive air guidance systems inside of the engine compartment because of the small available installation space. According to the innovation, this is achieved in that the harvesting machine is a chopper known per se with a post-accelerator arranged in its discharge chute, the suction housing assigned to the rotating sieve device being connected via a line to the suction side of the post-accelerator, for example the rotating sieve device between the engine compartment and the Line is arranged. In this case, on the one hand, the connection from the post-accelerator to the rotating sieve device is very simple, and on the other hand, the air flow goes directly outside through the outlet pipe without polluting any machine parts with dust.
Im folgenden soll die Erfindung anhand eines Ausführungsbeispiels und zweier dieses schematisch darstellender Figuren näher erläutert werden. Dabei zeigt:
- Fig. 1
- einen selbstfahrenden Feldhäcksler in der Seitenansicht ohne Seitenverkleidung und
- Fig. 2
- Einzelheiten des in Fig. 1 dargestellten Feldhäckslers in vergrößerter Darstellung.
- Fig. 1
- a self-propelled forage harvester in side view without side paneling and
- Fig. 2
- Details of the forage harvester shown in Fig. 1 in an enlarged view.
Mit 1 ist ein selbstfahrender Feldhäcksler bezeichnet, der in an sich bekannter Weise vordere Guteinzugsorgane 2 aufweist, denen das eigentliche Häckselaggregat 3 nachgeschaltet ist. Das von diesem Häckselaggregat 3 zerkleinerte Gut gelangt zu einem Konditionierwalzenpaar 4, durch welches das Häckselgut zerquetscht wird. Um nun dieses zerquetschte Häckselgut einwandfrei durch den gekrümmten Auswurfkanal 5 beispielsweise auf ein paralell neben dem Feldhäcksler herfahrendes Transportfahrzeug abwerfen zu können, ist in Förderrichtung betrachtet hinter dem Konditionierwalzenpaar 4 ein Nachbeschleuniger 6 vorgesehen. Er besteht im wesentlichen aus einer antreibbaren Achse 7 und ihr zugeordneten Förderleisten 8, wobei die Förderleisten 8 einen Abstand zur Achse 7 aufweisen. Die Förderleisten wirken mechanisch auf das ihnen durch das Konditionierwalzenpaar zugeführte Erntegut ein und schleudern letzteres durch den Auswurfkanal 5 mit genügender Energie nach außen. Der Nachbeschleuniger 6 ist als Teil des Auswurfkanals 5 ausgebildet. An die Saugseite dieses Nachbeschleunigers ist eine Leitung 9 angeschlossen, die mit ihrem anderen Ende an ein GEhäuse 10 angeschlossen ist. Letzteres ist einer rotierenden Siebeinrichtung 11 zugeordnet und bedeckt sowohl einen Teil ihrer Stirnfläche 12 wie auch einen Teil ihres Mantels 13, wobei das Gehäuse an seiner der rotierenden Siebeinrichtung 11 zugewandten Seite ganz offen ist oder zumindest Öffnungen aufweist, so daß Staub und Verunreinigungen über die Leitung 9 abgesaugt werden können. Auf diese Weise ist gewährleistet, daß sich einerseits die rotierende Siebeinrichtung nicht zusetzen kann und andererseits der Motorraum 14 nicht verschmutzt, da die abgesaugten Teilchen mit dem Häckselgut über den Auswurfkanal den Maschinenraum verlassen.1 with a self-propelled forage harvester is designated, which in a known manner has front
Claims (1)
- A self-propelled harvester comprising a drive engine, a radiator with radiator fan and a filter device (11) which is arranged in front of the latter for retaining particles of dirt present in the cooling air which is sucked in, wherein associated with the rotating filter device (11) in the region of the air intake side is a suction housing (10) which is at least partially open to the filter side and the active suction area of which is smaller than the air inlet area of the rotating filter device (11), characterised in that the harvester is a per se known forage harvester (1) with an after-accelerator (6) which is arranged in its discharge duct (5) and which is in the form of a blower, wherein the suction housing (10) associated with the rotating filter device (11) is connected by way of a conduit (9) to the suction side of the after-accelerator (6).
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE4033204A DE4033204A1 (en) | 1990-10-19 | 1990-10-19 | SELF-DRIVING HARVEST |
| DE4033204 | 1990-10-19 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP0481203A1 EP0481203A1 (en) | 1992-04-22 |
| EP0481203B1 true EP0481203B1 (en) | 1994-04-27 |
Family
ID=6416612
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP91114783A Expired - Lifetime EP0481203B1 (en) | 1990-10-19 | 1991-09-03 | Self-propelled harvesting machine |
Country Status (5)
| Country | Link |
|---|---|
| EP (1) | EP0481203B1 (en) |
| DE (2) | DE4033204A1 (en) |
| DK (1) | DK0481203T3 (en) |
| RU (1) | RU2044445C1 (en) |
| UA (1) | UA26142C2 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6029430A (en) * | 1997-09-29 | 2000-02-29 | Claas Selbstfahrende Erntemaschinen Gmbh | Device for extracting foreign objects from forager harvesters |
| EP1262645A2 (en) | 2001-05-30 | 2002-12-04 | Maschinenfabrik Bernard Krone GmbH | Self-propelled harvester |
Families Citing this family (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE9219199U1 (en) | 1992-05-13 | 2000-02-03 | Claas KGaA, 33428 Harsewinkel | Self-propelled forage harvester |
| DE4404401A1 (en) * | 1994-02-11 | 1995-08-17 | Claas Bhohg | Self-propelled harvester |
| US5466189A (en) * | 1994-08-18 | 1995-11-14 | Deere & Company | Cleaner for a rotating screen on a harvester |
| DE19547348C2 (en) * | 1995-12-19 | 1998-05-20 | Fortschritt Erntemaschinen | Self-propelled forage harvester |
| DE19836696C2 (en) | 1998-08-13 | 2000-06-08 | Case Harvesting Sys Gmbh | Cleaning device for a rotating cooling air filter |
| DE19857681C2 (en) * | 1998-12-14 | 2001-03-01 | Krone Bernhard Gmbh Maschf | Agricultural harvester |
| DE19901651C1 (en) * | 1999-01-18 | 2000-05-18 | Case Harvesting Sys Gmbh | Cleaner for removing chaff and dust adhering to face and surround cover surfaces of a rotary air-filter panel |
| DE102008007628B4 (en) * | 2008-02-04 | 2010-10-07 | Friedrich Graepel Ag | Device for removing dirt particles from an air stream |
| DE102008040902B4 (en) * | 2008-07-31 | 2017-05-11 | Deere & Company | Self-propelled harvester with a sliding into a maintenance position screening device |
| CA2755917C (en) | 2009-03-26 | 2014-12-09 | Joerg Nellen | Working vehicle having cooling system |
| US8974564B2 (en) | 2011-07-15 | 2015-03-10 | Deere & Company | Screen cleaning system |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE6750247U (en) * | 1968-07-06 | 1969-01-02 | Koedel & Boehm Gmbh | AIR INTAKE VENT FOR COOLER OF A COMBUSTION ENGINE FOR MAE HARNESS |
| BE756733A (en) * | 1969-10-30 | 1971-03-01 | Massey Ferguson Ind Ltd | COOLING SYSTEM FOR COMBINE HARVESTS |
| DE2604527A1 (en) * | 1976-02-06 | 1977-08-11 | Fahr Ag Maschf | Engine air cleaner for combine harvester - uses variable speed blower to eject cyclone extracted solids at duct lower edge |
| DD128200A1 (en) * | 1976-07-01 | 1977-11-02 | Klaus Oliva | AIR GUIDE TO THE COOLER SYSTEM AND DRIVE MOTOR OF AN AUTOMATIC LANDING MACHINE |
| GB8305218D0 (en) * | 1983-02-25 | 1983-03-30 | Sperry Nv | Combine harvesters |
| DE3337381C2 (en) * | 1983-10-14 | 1994-07-21 | Claas Ohg | Forage harvester |
| DE3865946D1 (en) * | 1987-10-28 | 1991-12-05 | Deere & Co | AGRICULTURAL VEHICLE WITH A TURNTABLE AS AN AIR FILTER. |
-
1990
- 1990-10-19 DE DE4033204A patent/DE4033204A1/en not_active Withdrawn
-
1991
- 1991-09-03 DK DK91114783.3T patent/DK0481203T3/en active
- 1991-09-03 EP EP91114783A patent/EP0481203B1/en not_active Expired - Lifetime
- 1991-09-03 DE DE59101499T patent/DE59101499D1/en not_active Expired - Fee Related
- 1991-10-15 RU SU915001664A patent/RU2044445C1/en not_active IP Right Cessation
-
1993
- 1993-06-03 UA UA93003891A patent/UA26142C2/en unknown
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6029430A (en) * | 1997-09-29 | 2000-02-29 | Claas Selbstfahrende Erntemaschinen Gmbh | Device for extracting foreign objects from forager harvesters |
| EP1262645A2 (en) | 2001-05-30 | 2002-12-04 | Maschinenfabrik Bernard Krone GmbH | Self-propelled harvester |
| DE10126523C2 (en) * | 2001-05-30 | 2003-04-17 | Krone Bernhard Gmbh Maschf | Self-propelled harvester |
Also Published As
| Publication number | Publication date |
|---|---|
| RU2044445C1 (en) | 1995-09-27 |
| DK0481203T3 (en) | 1994-09-12 |
| DE59101499D1 (en) | 1994-06-01 |
| UA26142C2 (en) | 1999-06-07 |
| EP0481203A1 (en) | 1992-04-22 |
| DE4033204A1 (en) | 1992-04-23 |
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