WO2006125568A1 - Device for assembling an additional unit in the engine compartment of a motor vehicle - Google Patents

Device for assembling an additional unit in the engine compartment of a motor vehicle Download PDF

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Publication number
WO2006125568A1
WO2006125568A1 PCT/EP2006/004764 EP2006004764W WO2006125568A1 WO 2006125568 A1 WO2006125568 A1 WO 2006125568A1 EP 2006004764 W EP2006004764 W EP 2006004764W WO 2006125568 A1 WO2006125568 A1 WO 2006125568A1
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WIPO (PCT)
Prior art keywords
motor
support bracket
drive belt
mounting
carrier
Prior art date
Application number
PCT/EP2006/004764
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German (de)
French (fr)
Inventor
Vicente JIMÉNEZ-VALLINA
Michael Wuttke
Original Assignee
Daimlerchrysler Ag
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Publication of WO2006125568A1 publication Critical patent/WO2006125568A1/en

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
    • F02B67/00—Engines characterised by the arrangement of auxiliary apparatus not being otherwise provided for, e.g. the apparatus having different functions; Driving auxiliary apparatus from engines, not otherwise provided for
    • F02B67/04—Engines characterised by the arrangement of auxiliary apparatus not being otherwise provided for, e.g. the apparatus having different functions; Driving auxiliary apparatus from engines, not otherwise provided for of mechanically-driven auxiliary apparatus
    • F02B67/06—Engines characterised by the arrangement of auxiliary apparatus not being otherwise provided for, e.g. the apparatus having different functions; Driving auxiliary apparatus from engines, not otherwise provided for of mechanically-driven auxiliary apparatus driven by means of chains, belts, or like endless members

Definitions

  • the invention relates to a device for mounting an auxiliary unit, in particular an air conditioning compressor in the engine compartment of a motor vehicle, which can be driven by a motor via a drive belt.
  • air conditioning compressors are mounted in the engine compartment of a motor vehicle either motor-fixed or frame-mounted. While the motor-fixed mounting can be used only for weight and space reasons in a few air compressor types, there is a disadvantage in the frame-fixed mounting that the engine is pulled by the belt tension in the direction of air conditioning compressor. The motor movements occurring during driving and a tension by an undamped air spring promote belt vibrations, so that engine vibrations are increasingly introduced into the frame by the preloaded engine mounts.
  • DE 102 61 820 A1 discloses, for example, an assembly for mounting and mounting an auxiliary unit in the engine compartment of a motor vehicle, in which the auxiliary unit is mounted on a frame-fixed support bracket.
  • the auxiliary unit is mounted on a frame-fixed support bracket.
  • For better damping is a double acoustic decoupling by a elastic storage of both the aggregate on the support bracket and the support bracket provided on the frame.
  • JP-A-06-081672 also shows an elastic bearing of a compressor on a support bracket, which in turn is resiliently fixed to a frame.
  • the object of the invention is in contrast to provide a device for mounting an auxiliary unit in the engine compartment of a motor vehicle, which avoids the above-mentioned disadvantages of conventional mounting arrangements.
  • the device for mounting an additional unit in the engine compartment of a motor vehicle, which can be driven by a motor via a drive belt is characterized according to the invention by a first motor-fixed support bracket element; a second support bracket member which is rotatably mounted about a horizontal axis of rotation on the first support bracket member and on which the auxiliary unit is mountable; and a frame-fixed supporting device for elastically supporting the second carrier bracket element.
  • the second carrier console element Due to the rotatable mounting of the second carrier console element for the assembly of the additional unit to the motor-fixed first carrier console element exist only small Tensile forces between the engine and the frame, so that even a small bias of the engine mount is needed. This in turn allows the use of simple and inexpensive engine mounts, which are designed only for low lateral loads. The reduced vibrations or drive belt vibrations also creates a gain in comfort.
  • the second carrier console element is designed so that all common types of additional units can be mounted on it, ie the mounting device is universally applicable.
  • a receiving element for mounting the additional unit is further provided which is slidably mounted in the distance direction to the motor on the second support bracket element.
  • the drive belt can be tensioned without additional tensioning devices solely by a displacement of the receiving element relative to the second carrier console element.
  • the second carrier console element and / or the receiving element preferably have guides for guiding the displacement path of the receiving element relative to the second carrier console element.
  • a tensioning device may further be provided for adjusting a displacement of the receiving element relative to the second carrier console element.
  • This clamping device is for example a clamping screw or a permanent clamp.
  • the supporting device of the second carrier console element is designed as an engine mount or an air spring.
  • the rotary connection between the first carrier console element and the second carrier console element has a swivel joint, a silent bush or a spring steel plate. The rotary joint should achieve as good as possible decoupling and vibration damping.
  • the axis of rotation is preferably positioned above an imaginary connecting line between the centers of a motor-side pulley and an aggregate-side pulley of the drive belt.
  • the rotation axis is positioned as close as possible to a crankshaft center of the engine to minimize a change in the distance between the two pulleys of the drive belt during engine motions.
  • a further tensioning device may be provided in the slack side of the drive belt.
  • the device of the invention described above is particularly suitable for mounting an air conditioning compressor.
  • auxiliary units but also AC generators, power steering devices and the like can be mounted in the manner according to the invention.
  • FIG. 1 is a perspective view of an engine and an air conditioning compressor mounted in an engine compartment according to a preferred embodiment of the present invention.
  • Fig. 2 is a side view of the arrangement of Fig. 1 for
  • FIGS. 1 and 2 With reference to FIGS. 1 and 2, the structure and operation of a device according to the invention for mounting an air conditioning compressor or other auxiliary unit in the engine compartment of a motor vehicle will now be explained in detail.
  • the motor 10 of the motor vehicle is fixed in the engine compartment in a known manner via an engine mount 12 to a frame 14.
  • an air conditioning compressor 16 is mounted, which is driven by a drive belt 18 of the motor 10.
  • the drive belt 18 is guided in a known manner to an engine-side crankshaft pulley 20 and a unit-side pulley 22.
  • a first support bracket member 24 is provided which is fixedly secured to the engine 10.
  • a second support bracket member 28 is rotatably mounted about a horizontal axis of rotation 26, to which in turn a receiving member 30 for receiving / mounting the air conditioning compressor 16 is attached is.
  • the receiving element 30 is designed so that all conventional air compressors 16 can be mounted on it.
  • the second support bracket element 28 is supported and the air conditioning compressor via a suitable support device 32 on the frame 14 from.
  • the support device 32 may be, for example, an engine mount designed for the load.
  • an air spring evt. With an additional air spring valve to adjust the height.
  • the pivotal connection between the first and second support bracket members 24, 28 is formed, for example, by a hinge.
  • a silent jack can be used to additionally achieve decoupling and vibration damping between the two components.
  • Another alternative for the rotary joint is a screwed between the two support bracket elements 24, 28 spring steel plate, which allows a small rotational movement due to their elasticity.
  • the second support bracket element 28 Since the second support bracket element 28 is rotatably mounted about the horizontal axis of rotation 26 on the motor-fixed first support bracket element 24, only low tensile forces between the motor 10 and the frame 14 arise. As a result, only a small bias voltage of the engine mount 12 is required, which thus constructed simple and inexpensive can be.
  • the weight of the air conditioning compressor 16 is introduced via the elastically acting support device 32 in the frame 14.
  • the receiving element 30 for mounting the air conditioning compressor 16 is also displaceable relative to the second carrier console element 28 in the direction of the distance to the motor 10.
  • the second support bracket element 28 for example, laterally projecting guide pins, which are guided in horizontal guide grooves in the receiving element 30. Of course, these guides 36 can also be designed vice versa.
  • a tensioning device 34 for example in the form of a tightening screw, a defined displacement between the receiving element 30 and the second carrier bracket element 28 is adjusted in order to tension the drive belt 18 between the belt pulley 22 of the air conditioning compressor 16 and the crankshaft pulley 20.
  • the mounting device of the invention thus eliminates the need for a special tensioning device for the drive belt 18.
  • a spring member e.g., a cylindrical coil spring or air spring having a compressed air port
  • a spring member may be set as a permanent clamp between the receiving member 30 and the second support bracket member 28.
  • an additional clamping device may be provided, for example in the form of a Rostaspanners in the slack side
  • the rotational axis 26 of the pivotal connection between the first and second support bracket members 24, 28 is preferably positioned above an imaginary connecting line between the centers of the crankshaft pulley 20 and the air conditioning compressor pulley 22. This will be the second support bracket element 28 is pulled mainly in the vertical direction in the support device 32 and there are only very small horizontal forces that burden the motor bearing 14 and the support device 32 in the unfavorable for this direction.
  • Motor Engine mounts Frame Auxiliary unit (e.g., A / C compressor; drive belt Pulley (motor side) Pulley (unit side) First bracket panel member Rotary shaft Second bracket bracket member Supporting element Supporting device Clamping device Guides
  • Auxiliary unit e.g., A / C compressor; drive belt Pulley (motor side) Pulley (unit side) First bracket panel member Rotary shaft Second bracket bracket member Supporting element Supporting device Clamping device Guides

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Auxiliary Drives, Propulsion Controls, And Safety Devices (AREA)

Abstract

The invention relates to a device for mounting an additional unit (e.g. an air-conditioning compressor) in the engine compartment of a motor vehicle. Said additional unit (16) can be driven by a motor (10) via a drive belt (18). The inventive device comprises a first supporting console element (24) that is fixed to the motor, a second supporting console element (28) which is fastened to the first supporting console element (24) so as to be rotatable about a horizontal rotating pin (26) and on which the additional unit (16) can be mounted, and a supporting mechanism (32) that is fixed to the frame and is used for elastically supporting the second supporting console element.

Description

Vorrichtung zur Montage eines Zusatzaggregats im Motorraum eines Kraftfahrzeugs Device for mounting an additional unit in the engine compartment of a motor vehicle
Die Erfindung betrifft eine Vorrichtung zur Montage eines Zusatzaggregats, insbesondere eines Klimakompressors im Motorraum eines Kraftfahrzeugs, das über einen Antriebsriemen durch einen Motor antreibbar ist.The invention relates to a device for mounting an auxiliary unit, in particular an air conditioning compressor in the engine compartment of a motor vehicle, which can be driven by a motor via a drive belt.
Herkömmlicherweise werden Klimakompressoren im Motorraum eines Kraftfahrzeugs entweder motorfest oder rahmenfest montiert. Während die motorfeste Montage nur aus Gewichtsund Bauraumgründen bei wenigen Klimakompressortypen eingesetzt werden kann, besteht bei der rahmenfesten Montage ein Nachteil, dass der Motor durch die Riemenspannung in Richtung Klimakompressor gezogen wird. Durch die im Fahrbetrieb auftretenden Motorbewegungen und eine Spannung durch eine ungedämpfte Luftfeder werden Riemenschwingungen begünstigt, sodass Motorvibrationen durch die vorgespannten Motorlager verstärkt in den Rahmen eingeleitet werden.Conventionally, air conditioning compressors are mounted in the engine compartment of a motor vehicle either motor-fixed or frame-mounted. While the motor-fixed mounting can be used only for weight and space reasons in a few air compressor types, there is a disadvantage in the frame-fixed mounting that the engine is pulled by the belt tension in the direction of air conditioning compressor. The motor movements occurring during driving and a tension by an undamped air spring promote belt vibrations, so that engine vibrations are increasingly introduced into the frame by the preloaded engine mounts.
Die DE 102 61 820 Al offenbart zum Beispiel eine Anordnung zur Montage und Lagerung eines Zusatzaggregats im Motorraum eines Kraftfahrzeugs, bei welcher das Zusatzaggregat auf einer rahmenfesten Trägerkonsole montiert ist. Zur besseren Dämpfung ist eine doppelte akustische Entkopplung durch eine elastische Lagerung sowohl des Aggregats an der Trägerkonsole als auch der Trägerkonsole am Rahmen vorgesehen.DE 102 61 820 A1 discloses, for example, an assembly for mounting and mounting an auxiliary unit in the engine compartment of a motor vehicle, in which the auxiliary unit is mounted on a frame-fixed support bracket. For better damping is a double acoustic decoupling by a elastic storage of both the aggregate on the support bracket and the support bracket provided on the frame.
Die JP-A-06-081672 zeigt ebenfalls eine elastische Lagerung eines Kompressors an einer Trägerkonsole, die wiederum elastisch an einem Rahmen befestigt ist.JP-A-06-081672 also shows an elastic bearing of a compressor on a support bracket, which in turn is resiliently fixed to a frame.
Aus der DE 36 26 091 Al ist die Montage mehrerer Aggregate an einer gemeinsamen motorfesten Trägerkonsole bekannt.From DE 36 26 091 Al the assembly of several units on a common motor-fixed carrier console is known.
Aufgabe der Erfindung ist es demgegenüber, eine Vorrichtung zur Montage eines Zusatzaggregats im Motorraum eines Kraftfahrzeugs bereitzustellen, welche die oben genannten Nachteile herkömmlicher Montageanordnungen vermeidet.The object of the invention is in contrast to provide a device for mounting an auxiliary unit in the engine compartment of a motor vehicle, which avoids the above-mentioned disadvantages of conventional mounting arrangements.
Diese Aufgabe wird durch eine Vorrichtung zur Montage eines Zusatzaggregats im Motorraum eines Kraftfahrzeugs mit den Merkmalen des Anspruchs 1 gelöst. Vorteilhafte Ausgestaltungen und Weiterbildungen der Erfindung sind Gegenstand der abhängigen Ansprüche.This object is achieved by a device for mounting an additional unit in the engine compartment of a motor vehicle having the features of claim 1. Advantageous embodiments and modifications of the invention are the subject of the dependent claims.
Die Vorrichtung zur Montage eines Zusatzaggregats im Motorraum eines Kraftfahrzeugs, das über einen Antriebsriemen durch einen Motor antreibbar ist, ist erfindungsgemäß gekennzeichnet durch ein erstes motorfestes Trägerkonsolenelement; ein zweites Trägerkonsolenelement, das um eine horizontale Drehachse drehbar an dem ersten Trägerkonsolenelement befestigt ist und an dem das Zusatzaggregat montierbar ist; und eine rahmenfeste Abstützvorrichtung zum elastischen Abstützen des zweiten Trägerkonsolenelements.The device for mounting an additional unit in the engine compartment of a motor vehicle, which can be driven by a motor via a drive belt, is characterized according to the invention by a first motor-fixed support bracket element; a second support bracket member which is rotatably mounted about a horizontal axis of rotation on the first support bracket member and on which the auxiliary unit is mountable; and a frame-fixed supporting device for elastically supporting the second carrier bracket element.
Durch die drehbare Lagerung des zweiten Trägerkonsolenelements für die Montage des Zusatzaggregats an dem motorfesten ersten Trägerkonsolenelement existieren nur geringe Zugkräfte zwischen dem Motor und dem Rahmen, sodass auch nur eine geringe Vorspannung des Motorlagers benötigt wird. Dies ermöglicht wiederum die Verwendung einfacher und kostengünstiger Motorlager, die nur für geringe Querbelastungen ausgelegt sind. Durch die reduzierten Vibrationen bzw. Antriebsriemenschwingungen entsteht ferner ein Komfortgewinn. Außerdem ist das zweite Trägerkonsolenelement so auslegbar, dass alle gängigen Arten von Zusatzaggregaten darauf montiert werden können, d.h. die Montagevorrichtung universell einsetzbar ist.Due to the rotatable mounting of the second carrier console element for the assembly of the additional unit to the motor-fixed first carrier console element exist only small Tensile forces between the engine and the frame, so that even a small bias of the engine mount is needed. This in turn allows the use of simple and inexpensive engine mounts, which are designed only for low lateral loads. The reduced vibrations or drive belt vibrations also creates a gain in comfort. In addition, the second carrier console element is designed so that all common types of additional units can be mounted on it, ie the mounting device is universally applicable.
In einer bevorzugten Ausführungsform der Erfindung ist ferner ein Aufnahmeelement zur Montage des Zusatzaggregats vorgesehen, das in Abstandsrichtung zum Motor verschiebbar an dem zweiten Trägerkonsolenelement befestigt ist. Somit kann der Antriebsriemen ohne zusätzliche Spannvorrichtungen allein durch ein Verschieben des Aufnahmeelements gegenüber dem zweiten Trägerkonsolenelement gespannt werden. Hierbei weisen das zweite Trägerkonsolenelement und/oder das Aufnahmeelement vorzugsweise Führungen zum Führen des Verschiebeweges des Aufnahmeelements relativ zum zweiten Trägerkonsolenelement auf .In a preferred embodiment of the invention, a receiving element for mounting the additional unit is further provided which is slidably mounted in the distance direction to the motor on the second support bracket element. Thus, the drive belt can be tensioned without additional tensioning devices solely by a displacement of the receiving element relative to the second carrier console element. In this case, the second carrier console element and / or the receiving element preferably have guides for guiding the displacement path of the receiving element relative to the second carrier console element.
In einer Ausgestaltung der Erfindung kann ferner eine Spannvorrichtung zum Einstellen einer Verschiebung des Aufnahmeelements relativ zu dem zweiten Trägerkonsolenelement vorgesehen sein. Diese Spannvorrichtung ist zum Beispiel eine Spannschraube oder ein Permanentspanner.In one embodiment of the invention, a tensioning device may further be provided for adjusting a displacement of the receiving element relative to the second carrier console element. This clamping device is for example a clamping screw or a permanent clamp.
In einer weiteren Ausgestaltung der Erfindung ist die Abstützvorrichtung des zweiten Trägerkonsolenelements als ein Motorlager oder eine Luftfeder ausgebildet. In einer noch weiteren Ausgestaltung der Erfindung weist die Drehverbindung zwischen dem ersten Trägerkonsolenelement und dem zweiten Trägerkonsolenelement ein Drehgelenk, eine Silentbuchse oder eine Federstahlplatte auf. Die Drehverbindung soll dabei möglichst eine gute Entkopplung und Schwingungsdämpfung erzielen.In a further embodiment of the invention, the supporting device of the second carrier console element is designed as an engine mount or an air spring. In a still further embodiment of the invention, the rotary connection between the first carrier console element and the second carrier console element has a swivel joint, a silent bush or a spring steel plate. The rotary joint should achieve as good as possible decoupling and vibration damping.
Die Drehachse ist vorzugsweise oberhalb einer gedachten Verbindungslinie zwischen den Zentren einer motorseitigen Riemenscheibe und einer aggregatseitigen Riemenscheibe des Antriebstriemens positioniert. Hierdurch wird das zweite Trägerkonsolenelement überwiegend in senkrechter Richtung in die Abstützvorrichtung gezogen und es treten nur sehr geringe horizontale Kräfte auf, die das Motorlager und die Abstützvorrichtung in der für diese ungünstigen Richtung belasten.The axis of rotation is preferably positioned above an imaginary connecting line between the centers of a motor-side pulley and an aggregate-side pulley of the drive belt. As a result, the second support bracket element is pulled predominantly in the vertical direction in the support device and there are only very small horizontal forces that burden the engine mount and the support device in the unfavorable for this direction.
Ferner ist die Drehachse möglichst nahe zu einer Kurbelwellenmitte des Motors positioniert, um eine Abstandsänderung zwischen den beiden Riemenscheiben des Antriebsriemens bei Motorbewegungen klein zu halten.Further, the rotation axis is positioned as close as possible to a crankshaft center of the engine to minimize a change in the distance between the two pulleys of the drive belt during engine motions.
Um selbst in kritischen Fällen eine ausreichende Vorspannung sicherzustellen, kann eine weitere Spannvorrichtung im Leertrum des Antriebsriemens vorgesehen sein.In order to ensure a sufficient bias even in critical cases, a further tensioning device may be provided in the slack side of the drive belt.
Die oben beschriebene Vorrichtung der Erfindung ist insbesondere zur Montage eines Klimakompressors geeignet. Als Zusatzaggregate können aber ebenso Wechselstromgeneratoren, Servolenkeinrichtungen und dergleichen in der erfindungsgemäßen Weise montierbar sein.The device of the invention described above is particularly suitable for mounting an air conditioning compressor. As auxiliary units but also AC generators, power steering devices and the like can be mounted in the manner according to the invention.
Obige sowie weitere Merkmale und Vorteile der Erfindung werden aus der nachfolgenden Beschreibung eines bevorzugten, nicht-einschränkenden Ausführungsbeispiels der Erfindung unter Bezugnahme auf die beiliegenden Zeichnungen besser verständlich. Dabei zeigen:The above and other features and advantages of the invention will become apparent from the following description of a preferred, non-limiting embodiment of the invention with reference to the accompanying drawings better understandable. Showing:
Fig. 1 eine Perspektivansicht eines Motors und eines in einem Motorraum montierten Klimakompressors gemäß einem bevorzugten Ausführungsbeispiel der vorliegenden Erfindung; und1 is a perspective view of an engine and an air conditioning compressor mounted in an engine compartment according to a preferred embodiment of the present invention; and
Fig. 2 eine Seitenansicht der Anordnung von Fig. 1 zurFig. 2 is a side view of the arrangement of Fig. 1 for
Erläuterung der erfindungsgemäßen Vorrichtung zur Montage des Klimakompressors.Explanation of the device according to the invention for mounting the air conditioning compressor.
Unter Bezugnahme auf Fig. 1 und 2 wird nun der Aufbau und die Funktionsweise einer erfindungsgemäßen Vorrichtung zur Montage eines Klimakompressors oder eines anderen Zusatzaggregats im Motorraum eines Kraftfahrzeugs im Detail erläutert .With reference to FIGS. 1 and 2, the structure and operation of a device according to the invention for mounting an air conditioning compressor or other auxiliary unit in the engine compartment of a motor vehicle will now be explained in detail.
Der Motor 10 des Kraftfahrzeugs ist im Motorraum in bekannter Weise über ein Motorlager 12 an einem Rahmen 14 befestigt. Im Motorraum ist außerdem ein Klimakompressor 16 montiert, der über einen Antriebsriemen 18 von dem Motor 10 angetrieben wird. Hierzu ist der Antriebsriemen 18 in bekannter Weise um eine motorseitige Kurbelwellen-Riemenscheibe 20 und eine aggregatseitige Riemenscheibe 22 geführt.The motor 10 of the motor vehicle is fixed in the engine compartment in a known manner via an engine mount 12 to a frame 14. In the engine compartment also an air conditioning compressor 16 is mounted, which is driven by a drive belt 18 of the motor 10. For this purpose, the drive belt 18 is guided in a known manner to an engine-side crankshaft pulley 20 and a unit-side pulley 22.
Zur Montage des Klimakompressors 16 ist ein erstes Trägerkonsolenelement 24 vorgesehen, das fest am Motor 10 befestigt ist. An diesem ersten Trägerkonsolenelement 24 ist um eine horizontale Drehachse 26 drehbar ein zweites Trägerkonsolenelement 28 befestigt, an welchem wiederum ein Aufnahmeelement 30 zur Aufnahme / Montage des Klimakompressors 16 befestigt ist. Das Aufnahmeelement 30 ist dabei so ausgelegt, dass alle gängigen Klimakompressoren 16 darauf montiert werden können.For mounting the air conditioning compressor 16, a first support bracket member 24 is provided which is fixedly secured to the engine 10. At this first support bracket element 24, a second support bracket member 28 is rotatably mounted about a horizontal axis of rotation 26, to which in turn a receiving member 30 for receiving / mounting the air conditioning compressor 16 is attached is. The receiving element 30 is designed so that all conventional air compressors 16 can be mounted on it.
Das zweite Trägerkonsolenelement 28 stützt sich und den Klimakompressor über eine geeignete Abstützvorrichtung 32 am Rahmen 14 ab. Die Abstützvorrichtung 32 kann zum Beispiel ein auf die Belastung ausgelegtes Motorlager sein. Alternativ kann auch eine Luftfeder, evt . Mit einem zusätzlichen Luftfederventil zur Höheneinstellung eingesetzt werden. Ein oberer Endanschlag in Form einer Gummihohlfeder, die in Normallage leicht vorgespannt ist und bei Einfederung sehr progressiv verhärtet, verhindert ein Aufschaukeln.The second support bracket element 28 is supported and the air conditioning compressor via a suitable support device 32 on the frame 14 from. The support device 32 may be, for example, an engine mount designed for the load. Alternatively, an air spring, evt. With an additional air spring valve to adjust the height. An upper end stop in the form of a rubber hollow spring, which is slightly pre-stressed in normal position and hardens very progressively during compression prevents rocking.
Die Drehverbindung zwischen dem ersten und dem zweiten Trägerkonsolenelement 24, 28 wird zum Beispiel durch ein Drehgelenk gebildet. Alternativ kann auch eine Silentbuchse verwendet werden, um zusätzlich eine Entkopplung und Schwingungsdämpfung zwischen den beiden Bauteilen zu erreichen. Eine weitere Alternative für die Drehverbindung ist eine zwischen den beiden Trägerkonsolenelementen 24, 28 verschraubte Federstahlplatte, die aufgrund ihrer Elastizität eine geringe Drehbewegung ermöglicht.The pivotal connection between the first and second support bracket members 24, 28 is formed, for example, by a hinge. Alternatively, a silent jack can be used to additionally achieve decoupling and vibration damping between the two components. Another alternative for the rotary joint is a screwed between the two support bracket elements 24, 28 spring steel plate, which allows a small rotational movement due to their elasticity.
Da das zweite Trägerkonsolenelement 28 um die horizontale Drehachse 26 drehbar an dem motorfesten ersten Trägerkonsolenelement 24 befestigt ist, entstehen nur geringe Zugkräfte zwischen dem Motor 10 und dem Rahmen 14. Hierdurch wird nur eine geringe Vorspannung des Motorlagers 12 benötigt, das somit einfach und kostengünstig aufgebaut sein kann. Das Gewicht des Klimakompressors 16 wird über die elastisch wirkende Abstützvorrichtung 32 in den Rahmen 14 eingeleitet. Wie in Fig. 1 und 2 erkennbar, ist das Aufnahmeelement 30 zur Montage des Klimakompressors 16 ferner in Abstandsrichtung zum Motor 10 relativ zum zweiten Trägerkonsolenelement 28 verschiebbar. Hierzu weist das zweite Trägerkonsolenelement 28 zum Beispiel seitlich vorstehende Führungsstifte auf, die in horizontalen Führungsnuten in dem Aufnahmeelement 30 geführt sind. Diese Führungen 36 können selbstverständlich auch umgekehrt ausgebildet sein.Since the second support bracket element 28 is rotatably mounted about the horizontal axis of rotation 26 on the motor-fixed first support bracket element 24, only low tensile forces between the motor 10 and the frame 14 arise. As a result, only a small bias voltage of the engine mount 12 is required, which thus constructed simple and inexpensive can be. The weight of the air conditioning compressor 16 is introduced via the elastically acting support device 32 in the frame 14. As can be seen in FIGS. 1 and 2, the receiving element 30 for mounting the air conditioning compressor 16 is also displaceable relative to the second carrier console element 28 in the direction of the distance to the motor 10. For this purpose, the second support bracket element 28, for example, laterally projecting guide pins, which are guided in horizontal guide grooves in the receiving element 30. Of course, these guides 36 can also be designed vice versa.
Über eine Spannvorrichtung 34 zum Beispiel in Form einer Spannschraube wird eine definierte Verschiebung zwischen dem Aufnahmeelement 30 und dem zweiten Trägerkonsolenelement 28 eingestellt, um den Antriebsriemen 18 zwischen der Riemenscheibe 22 des Klimakompressors 16 und der Kurbelwellen- Riemenscheibe 20 zu spannen. Durch die Montagevorrichtung der Erfindung kann somit eine spezielle Spannvorrichtung für den Antriebsriemen 18 entfallen.Via a tensioning device 34, for example in the form of a tightening screw, a defined displacement between the receiving element 30 and the second carrier bracket element 28 is adjusted in order to tension the drive belt 18 between the belt pulley 22 of the air conditioning compressor 16 and the crankshaft pulley 20. The mounting device of the invention thus eliminates the need for a special tensioning device for the drive belt 18.
Anstelle der Vorspannung mittels der Spannschraube 34 kann auch ein Federelement (z.B. zylindrische Schraubenfeder oder Luftfeder mit Druckluftanschluss) als Permanentspanner zwischen das Aufnahmeelement 30 und das zweite Trägerkonsolenelement 28 gesetzt werden.Instead of the biasing by means of the tightening screw 34, a spring member (e.g., a cylindrical coil spring or air spring having a compressed air port) may be set as a permanent clamp between the receiving member 30 and the second support bracket member 28.
Um auch in kritischen Fällen eine nötige Vorspannung des Antriebsriemens 18 zu gewährleisten, kann eine zusätzliche Spannvorrichtung zum Beispiel in Form eines Rostaspanners im Leertrum vorgesehen seinIn order to ensure a necessary bias of the drive belt 18 even in critical cases, an additional clamping device may be provided, for example in the form of a Rostaspanners in the slack side
Die Drehachse 26 der Drehverbindung zwischen dem ersten und dem zweiten Trägerkonsolenelement 24, 28 ist vorzugsweise oberhalb einer gedachten Verbindungslinie zwischen den Zentren der Kurbelwellen-Riemenscheibe 20 und der Klimakompressor-Riemenscheibe 22 positioniert. Hierdurch wird das zweite Trägerkonsolenelement 28 überwiegend in senkrechter Richtung in die Abstützvorrichtung 32 gezogen und es treten nur sehr geringe horizontale Kräfte auf, die das Motorlager 14 und die Abstützvorrichtung 32 in der für diese ungünstigen Richtung belasten.The rotational axis 26 of the pivotal connection between the first and second support bracket members 24, 28 is preferably positioned above an imaginary connecting line between the centers of the crankshaft pulley 20 and the air conditioning compressor pulley 22. This will be the second support bracket element 28 is pulled mainly in the vertical direction in the support device 32 and there are only very small horizontal forces that burden the motor bearing 14 and the support device 32 in the unfavorable for this direction.
Durch eine Positionierung der Drehverbindung zwischen dem ersten und dem zweiten Trägerkonsolenelement 24, 28 so nah wie möglich an der Kurbelwellenmitte kann ferner bei Motorbewegungen eine Abstandsänderung zwischen den beiden Riemenscheiben 20, 22 des Antriebsriemens 18 klein gehalten werden. Die durch die Spannvorrichtung 34 bereitgestellte Vorspannung des Antriebsriemens 18 sollte daher ausreichen, um ein Durchrutschen des Antriebsriemens 18 zu vermeiden. By positioning the pivotal connection between the first and second support bracket members 24, 28 as close as possible to the crankshaft center, a change in distance between the two pulleys 20, 22 of the drive belt 18 can also be kept small during engine motions. The bias provided by the tensioning device 34 of the drive belt 18 should therefore be sufficient to prevent slippage of the drive belt 18.
BezugszeichenlisteLIST OF REFERENCE NUMBERS
Motor Motorlager Rahmen Zusatzaggregat (z.B. Klimakompressor; Antriebsriemen Riemenscheibe (motorseitig) Riemenscheibe (aggregatseitig) erstes Trägerkonsolenelement Drehachse zweites Trägerkonsolenelement Aufnahmeelement Abstützvorrichtung Spannvorrichtung Führungen Motor Engine mounts Frame Auxiliary unit (e.g., A / C compressor; drive belt Pulley (motor side) Pulley (unit side) First bracket panel member Rotary shaft Second bracket bracket member Supporting element Supporting device Clamping device Guides

Claims

Patentansprüche claims
1. Vorrichtung zur Montage eines Zusatzaggregats im Motorraum eines Kraftfahrzeugs, wobei das Zusatzaggregat (16) über einen Antriebsriemen (18) durch einen Motor (10) antreibbar ist, gekennzeichnet durch ein erstes motorfestes Trägerkonsolenelement (24); ein zweites Trägerkonsolenelement (28), das um eine horizontale Drehachse (26) drehbar an dem ersten Trägerkonsolenelement (24) befestigt ist und an dem das Zusatzaggregat (16) montierbart ist; und eine rahmenfeste Abstützvorrichtung (32) zum elastischen Abstützen des zweiten Trägerkonsolenelements (28).1. An apparatus for mounting an auxiliary unit in the engine compartment of a motor vehicle, wherein the auxiliary unit (16) via a drive belt (18) by a motor (10) can be driven, characterized by a first motor-fixed support bracket element (24); a second support bracket member (28) rotatably mounted about a horizontal pivot (26) on the first support bracket member (24) and to which the accessory (16) is mountable; and a frame-fixed support device (32) for resiliently supporting the second support bracket element (28).
2. Vorrichtung nach Anspruch 1, dadurch gekennzeichnet, dass ferner ein Aufnahmeelement (30) zur Montage des Zusatzaggregats (16) vorgesehen ist, das in Abstandsrichtung zum Motor (10) verschiebbar an dem zweiten Trägerkonsolenelement (28) befestigt ist.2. Apparatus according to claim 1, characterized in that further comprises a receiving element (30) for mounting the auxiliary unit (16) is provided, which in the distance direction to the motor (10) is slidably mounted on the second carrier bracket element (28).
3. Vorrichtung nach Anspruch 2, dadurch gekennzeichnet, dass das zweite Trägerkonsolenelement (28) und/oder das Aufnahmeelement (30) Führungen (36) zum Führen des Ver- schiebeweges des Aufnahmeelements (30) relativ zum zweiten Trägerkonsolenelement (28) aufweisen.3. Apparatus according to claim 2, characterized in that the second carrier console element (28) and / or the receiving element (30) guides (36) for guiding the Ver Sliding path of the receiving element (30) relative to the second support bracket element (28).
4. Vorrichtung nach Anspruch 2 oder 3, dadurch gekennzeichnet, dass ferner eine Spannvorrichtung (34) zum Einstellen einer Verschiebung des Aufnahmeelements (30) relativ zu dem zweiten Trägerkonsolenelement (28) vorgesehen ist.4. Apparatus according to claim 2 or 3, characterized in that further comprises a tensioning device (34) for adjusting a displacement of the receiving element (30) relative to the second support bracket element (28) is provided.
5. Vorrichtung nach Anspruch 4, dadurch gekennzeichnet, dass die Spannvorrichtung (34) eine Spannschraube oder ein Permanentspanner ist.5. Apparatus according to claim 4, characterized in that the clamping device (34) is a clamping screw or a permanent clamp.
6. Vorrichtung nach einem der vorherigen Ansprüche, dadurch gekennzeichnet, dass die Abstützvorrichtung (32) des zweiten Trägerkonsolenelements (28) als ein Motorlager oder eine Luftfeder ausgebildet ist.6. Device according to one of the preceding claims, characterized in that the supporting device (32) of the second carrier bracket element (28) is designed as an engine mount or an air spring.
7. Vorrichtung nach einem der vorherigen Ansprüche, dadurch gekennzeichnet, dass die Drehverbindung zwischen dem ersten Trägerkonsolenelement (24) und dem zweiten Trägerkonsolenelement (28) ein Drehgelenk, eine Silentbuchse oder eine Federstahlplatte aufweist.7. Device according to one of the preceding claims, characterized in that the rotary connection between the first carrier console element (24) and the second carrier console element (28) has a swivel joint, a silent bush or a spring steel plate.
8. Vorrichtung nach einem der vorherigen Ansprüche, dadurch gekennzeichnet, dass die Drehachse (26) oberhalb einer gedachten Verbindungslinie zwischen den Zentren einer motorseitigen Riemenscheibe (20) und einer aggregatseitigen Riemenscheibe (22) des Antriebstriemens (18) positioniert ist. 8. Device according to one of the preceding claims, characterized in that the axis of rotation (26) is positioned above an imaginary connecting line between the centers of a motor-side pulley (20) and a unit-side pulley (22) of the drive belt (18).
9. Vorrichtung nach einem der vorherigen Ansprüche, dadurch gekennzeichnet, dass die Drehachse (26) möglichst nahe zu einer Kurbelwellenmitte des Motors (10) positioniert ist.9. Device according to one of the preceding claims, characterized in that the axis of rotation (26) is positioned as close as possible to a crankshaft center of the motor (10).
10. Vorrichtung nach einem der vorherigen Ansprüche, dadurch gekennzeichnet, dass eine weitere Spannvorrichtung im Leertrum des Antriebsriemens (18) vorgesehen ist.10. Device according to one of the preceding claims, characterized in that a further clamping device in the slack side of the drive belt (18) is provided.
11. Vorrichtung nach einem der vorherigen Ansprüche, dadurch gekennzeichnet, dass das Zusatzaggregat (16) ein Klimakompressor ist. 11. Device according to one of the preceding claims, characterized in that the additional unit (16) is an air conditioning compressor.
PCT/EP2006/004764 2005-05-24 2006-05-19 Device for assembling an additional unit in the engine compartment of a motor vehicle WO2006125568A1 (en)

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DE102010055439B4 (en) 2010-12-21 2023-07-27 Volkswagen Ag Vehicle with an air conditioning device arranged in the front end
DE102011104932A1 (en) 2011-06-21 2012-12-27 Daimler Ag Holder assembly for holding auxiliary unit of internal combustion engine mounted in motor vehicle e.g. bus, has bearing element which holds auxiliary unit with respect to the internal combustion engine corresponding to rotation axis
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