DE102011100411A1 - Gear assembly for drive train of multi-axis propelled vehicle, has drive shaft provided with supporting bearing, and plate wheel rotatably supported by axle, where supporting bearing is provided with self-aligning roller thrust bearing - Google Patents
Gear assembly for drive train of multi-axis propelled vehicle, has drive shaft provided with supporting bearing, and plate wheel rotatably supported by axle, where supporting bearing is provided with self-aligning roller thrust bearing Download PDFInfo
- Publication number
- DE102011100411A1 DE102011100411A1 DE201110100411 DE102011100411A DE102011100411A1 DE 102011100411 A1 DE102011100411 A1 DE 102011100411A1 DE 201110100411 DE201110100411 DE 201110100411 DE 102011100411 A DE102011100411 A DE 102011100411A DE 102011100411 A1 DE102011100411 A1 DE 102011100411A1
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- Germany
- Prior art keywords
- gear
- ring gear
- bearing
- drive shaft
- drive
- 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.)
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K17/00—Arrangement or mounting of transmissions in vehicles
- B60K17/34—Arrangement or mounting of transmissions in vehicles for driving both front and rear wheels, e.g. four wheel drive vehicles
- B60K17/344—Arrangement or mounting of transmissions in vehicles for driving both front and rear wheels, e.g. four wheel drive vehicles having a transfer gear
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K17/00—Arrangement or mounting of transmissions in vehicles
- B60K17/04—Arrangement or mounting of transmissions in vehicles characterised by arrangement, location, or kind of gearing
- B60K17/16—Arrangement or mounting of transmissions in vehicles characterised by arrangement, location, or kind of gearing of differential gearing
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K17/00—Arrangement or mounting of transmissions in vehicles
- B60K17/22—Arrangement or mounting of transmissions in vehicles characterised by arrangement, location, or type of main drive shafting, e.g. cardan shaft
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Gear Transmission (AREA)
Abstract
Description
Die Erfindung betrifft eine Getriebeanordnung im Verlauf des Antriebsstrangs eines mehrachsig angetriebenen oder antreibbaren Fahrzeugs mit einer aus Richtung eines Antriebsmotors kommenden Antriebswelle, an deren getriebeseitigem Ende ein erstes Kegelrad, insbesondere ein Ritzel, angeordnet ist, welches ein mit diesem kämmendes Tellerrad, und über dieses zwei mit diesem verbundene Achswellen sowie eine Abtriebswelle antreibt.The invention relates to a gear arrangement in the course of the drive train of a multi-axially driven or driven vehicle with an incoming from the direction of a drive motor drive shaft, at the gearbox end a first bevel gear, in particular a pinion, is arranged, which meshes with a ring gear, and this two drives with this connected axle shafts and an output shaft.
Es sind bereits vielfach Getriebeanordnungen bekannt, die ein Verzweigungsgetriebe aufweisen. Beispielsweise offenbart die
Bei den bekannten Verzweigungs- bzw. Kegelradgetrieben kann es, gerade aufgrund des Trends zu immer kompakteren Bauweisen hin, nachteilig sein, dass weiterhin durch die Getriebe hohe bis sehr hohe Drehmomente zu nachfolgenden Achsen übertragen werden sollen. Hierbei werden die Zahnflanken von Teller- und Kegelrädern stark belastet, sind daher höherem Verschleiß unterworfen und die Ausfallwahrscheinlichkeit demzufolge erhöht.In the known branch or bevel gearboxes, it may be disadvantageous, especially due to the trend toward ever more compact designs, that furthermore high to very high torques are to be transmitted to the following axles by the transmission. Here, the tooth flanks of disc and bevel gears are heavily loaded, are therefore subject to higher wear and increased the probability of failure accordingly.
Es besteht daher die Aufgabe, ein Verzweigungsgetriebe zur Verfügung zu stellen, welches trotz kompakter Bauweise sehr hohe Drehmomente zur nachfolgenden Achse übertragen kann.It is therefore an object to provide a branching available, which can transmit very high torques to the following axis despite compact design.
Diese Aufgabe wird gelöst durch eine Getriebeanordnung der eingangs genannten Art, bei welcher an der durch die Achswellen gebildeten Achse ein zweites Tellerrad drehbar gelagert ist, welches, angetrieben durch das erste Kegelrad, entgegen der Drehrichtung des ersten Tellerrades läuft und mit einem an dem getriebeseitigen Ende einer Abtriebswelle angeordneten Kegelrad in Wirkverbindung steht.This object is achieved by a gear arrangement of the type mentioned, in which on the axis formed by the axle shafts, a second ring gear is rotatably mounted, which, driven by the first bevel gear, runs counter to the direction of rotation of the first ring gear and with a gear at the end an output shaft arranged bevel gear is in operative connection.
Aufgrund dieser Anordnung ist es möglich, hohe Drehmomente trotz kompakter Bauweise zur nachfolgenden Achse zu übertragen, da sich die Drehmomente auf beide Tellerräder verteilen, also an diesen abstützen können und beide Tellerräder durch ihre Verbindung mit der Abtriebswelle diese antreiben.Because of this arrangement, it is possible to transmit high torques despite compact design to the subsequent axis, since the torques can be distributed to both crown wheels, so can support these and both crown wheels drive through their connection to the output shaft this.
Durch diese Art von Antriebstechnik wird im Vergleich zu herkömmlichen Getrieben sehr viel zusätzlicher Platz bei gleichermaßen größerer Bodenfreiheit gewonnen und die wesentlich kleineren Verzweigungsgetriebe können trotzdem die gleichen Drehmomente verarbeiten, die zuvor mit den größeren Differentialausführungen bewältigt wurden. In besonderem Maße trifft dies bei angetriebenen Tandemachsen oder Tridemachsen bei der oder den jeweils vor der hintersten angetriebenen befindlichen Achse(n) zu.This type of drive technology provides a great deal of additional space with equally greater ground clearance compared to conventional transmissions, and the much smaller branching gears can still handle the same torques that were previously handled with the larger differential designs. This is particularly true in the case of driven tandem axles or tridem axles in the case of the axle (s) which are respectively driven in front of the rearmost axle.
In einer Ausführung der erfindungsgemäßen Getriebeanordnung kann das zweite Tellerrad an der Achse kuppelbar gelagert sein, so dass es nur bei Bedarf zugeschaltet werden kann, etwa wenn das zu übertragende Drehmoment eine einstellbare Schwelle überschreitet.In one embodiment of the transmission arrangement according to the invention, the second ring gear can be mounted coupled to the axle, so that it can be switched on only when needed, such as when the torque to be transmitted exceeds an adjustable threshold.
Eine zweckmäßige Weiterbildung der Getriebeanordnung kann darin bestehen, dass die Abtriebswelle durch das erste Tellerrad und das zweite Tellerrad gemeinsam zu gleichen Teilen angetrieben ist, sich das die Abtriebswelle antreibende Drehmoment also an beiden Tellerrädern zu gleichen Teilen abstützt und derart eine günstige, laufruhige Kraftübertragung an dem Fahrzeug erreicht wird.An expedient development of the transmission arrangement may be that the output shaft is driven jointly by the first ring gear and the second ring gear in equal parts, so that the output shaft driving torque is therefore equally supported on both ring gears and so a cheap, smooth-running power transmission to the Vehicle is reached.
In einer bevorzugten Ausführung der Getriebeanordnung, bei welcher eine gute axiale Ausrichtung der Wellen erreicht werden kann, ist zumindest die Antriebs- oder die Abtriebswelle oder eines der diesen jeweils zugeordneten Kitzel mit einer Trag-Stütz-Lagerung versehen.In a preferred embodiment of the gear arrangement, in which a good axial alignment of the shafts can be achieved, at least the drive or the output shaft or one of the respective associated pinion is provided with a support-support bearing.
Eine verspannungsfreie Lagerung der Wellen, die sowohl mechanisch als auch thermisch verursachte Längenänderungen in genügendem Maße kompensieren kann gelingt bei einer Weiterbildung der Getriebeanordnung, bei welcher die Stützlagerung schwimmend vorgesehen ist.A tension-free mounting of the shafts, which can compensate for mechanical and thermally induced changes in length to a sufficient extent succeeds in a development of the transmission arrangement, in which the support bearing is provided floating.
Besonders kann die Stützlagerung hierbei mit wenigstens einem Axial-Pendelrollenlager versehen sein, welches bei hohen Tragzahlen winkeleinstellbar ausgebildet ist und beispielsweise Fluchtungsfehler ausgleichen kann sowie hohen Belastungen sowohl aus axialer wie aus radialer Richtung standzuhalten in der Lage ist.In particular, the support bearing can in this case be provided with at least one axial spherical roller bearing, which is designed to be adjustable in angle at high load ratings and can compensate, for example, misalignment and withstand high loads both from the axial and from the radial direction is able.
Besonders bevorzugt kann bei der erfindungsgemäßen Getriebeanordnung wenigsten die Lagerung der Abtriebswelle und/oder des zugeordneten Ritzels durch ein Axial-Pendelrollenlager gebildet sein. Gleiches gilt jedoch auch für die Antriebswelle bzw. das dortige Ritzel.Particularly preferably, in the gear arrangement according to the invention, at least the bearing of the output shaft and / or the associated pinion can be formed by an axial spherical roller bearing. However, the same applies to the drive shaft or the local pinion.
Die Erfindung wird nachstehend anhand von Ausführungsbeispielen in den Figuren der Zeichnung näher erläutert. Es zeigen hierbei in teilweise schematisierter Darstellung dieThe invention will be explained in more detail below with reference to embodiments in the figures of the drawing. Here are shown in partially schematic representation of the
In den Zeichnungsfiguren ist eine im Ganzen mit
Die
In der
Weiter zeigt die
Demnach betrifft die vorliegende Erfindung also Getriebeanordnung
ZITATE ENTHALTEN IN DER BESCHREIBUNG QUOTES INCLUDE IN THE DESCRIPTION
Diese Liste der vom Anmelder aufgeführten Dokumente wurde automatisiert erzeugt und ist ausschließlich zur besseren Information des Lesers aufgenommen. Die Liste ist nicht Bestandteil der deutschen Patent- bzw. Gebrauchsmusteranmeldung. Das DPMA übernimmt keinerlei Haftung für etwaige Fehler oder Auslassungen.This list of the documents listed by the applicant has been generated automatically and is included solely for the better information of the reader. The list is not part of the German patent or utility model application. The DPMA assumes no liability for any errors or omissions.
Zitierte PatentliteraturCited patent literature
- DE 102006012342 A1 [0002] DE 102006012342 A1 [0002]
Claims (7)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE201110100411 DE102011100411A1 (en) | 2011-05-04 | 2011-05-04 | Gear assembly for drive train of multi-axis propelled vehicle, has drive shaft provided with supporting bearing, and plate wheel rotatably supported by axle, where supporting bearing is provided with self-aligning roller thrust bearing |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE201110100411 DE102011100411A1 (en) | 2011-05-04 | 2011-05-04 | Gear assembly for drive train of multi-axis propelled vehicle, has drive shaft provided with supporting bearing, and plate wheel rotatably supported by axle, where supporting bearing is provided with self-aligning roller thrust bearing |
Publications (1)
Publication Number | Publication Date |
---|---|
DE102011100411A1 true DE102011100411A1 (en) | 2012-11-08 |
Family
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE201110100411 Withdrawn DE102011100411A1 (en) | 2011-05-04 | 2011-05-04 | Gear assembly for drive train of multi-axis propelled vehicle, has drive shaft provided with supporting bearing, and plate wheel rotatably supported by axle, where supporting bearing is provided with self-aligning roller thrust bearing |
Country Status (1)
Country | Link |
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DE (1) | DE102011100411A1 (en) |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102006012342A1 (en) | 2006-03-17 | 2007-09-20 | Zf Friedrichshafen Ag | Axle center transmission for use in drive system of multi-axle motor vehicle, has clutch that decouples ring gear from differential cage, so that output pinion gear is drivable via drive pinion gear and ring gear |
-
2011
- 2011-05-04 DE DE201110100411 patent/DE102011100411A1/en not_active Withdrawn
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102006012342A1 (en) | 2006-03-17 | 2007-09-20 | Zf Friedrichshafen Ag | Axle center transmission for use in drive system of multi-axle motor vehicle, has clutch that decouples ring gear from differential cage, so that output pinion gear is drivable via drive pinion gear and ring gear |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
R119 | Application deemed withdrawn, or ip right lapsed, due to non-payment of renewal fee | ||
R119 | Application deemed withdrawn, or ip right lapsed, due to non-payment of renewal fee |
Effective date: 20141202 |