DE102016003683B4 - Spring element, in particular for elastic mounting - Google Patents

Spring element, in particular for elastic mounting Download PDF

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DE102016003683B4
DE102016003683B4 DE102016003683.4A DE102016003683A DE102016003683B4 DE 102016003683 B4 DE102016003683 B4 DE 102016003683B4 DE 102016003683 A DE102016003683 A DE 102016003683A DE 102016003683 B4 DE102016003683 B4 DE 102016003683B4
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Prior art keywords
spring
spring element
leaves
damping members
spring leaves
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Expired - Fee Related
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DE102016003683.4A
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German (de)
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DE102016003683A1 (en
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Gilbert Schantl
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Audi AG
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Audi AG
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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
    • F16F1/00—Springs
    • F16F1/02—Springs made of steel or other material having low internal friction; Wound, torsion, leaf, cup, ring or the like springs, the material of the spring not being relevant
    • F16F1/18—Leaf springs
    • F16F1/22—Leaf springs with means for modifying the spring characteristic
    • 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
    • B60K5/00—Arrangement or mounting of internal-combustion or jet-propulsion units
    • B60K5/12—Arrangement of engine supports
    • 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
    • B60K5/00—Arrangement or mounting of internal-combustion or jet-propulsion units
    • B60K5/12—Arrangement of engine supports
    • B60K5/1208—Resilient supports
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
    • F16F1/00—Springs
    • F16F1/36—Springs made of rubber or other material having high internal friction, e.g. thermoplastic elastomers
    • F16F1/40—Springs made of rubber or other material having high internal friction, e.g. thermoplastic elastomers consisting of a stack of similar elements separated by non-elastic intermediate layers
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
    • F16F3/00—Spring units consisting of several springs, e.g. for obtaining a desired spring characteristic
    • F16F3/08—Spring units consisting of several springs, e.g. for obtaining a desired spring characteristic with springs made of a material having high internal friction, e.g. rubber
    • F16F3/10—Spring units consisting of several springs, e.g. for obtaining a desired spring characteristic with springs made of a material having high internal friction, e.g. rubber combined with springs made of steel or other material having low internal friction
    • F16F3/12—Spring units consisting of several springs, e.g. for obtaining a desired spring characteristic with springs made of a material having high internal friction, e.g. rubber combined with springs made of steel or other material having low internal friction the steel spring being in contact with the rubber spring

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Transportation (AREA)
  • Architecture (AREA)
  • Springs (AREA)

Abstract

Federelement, insbesondere für eine elastische Lagerung, mit mehreren parallel nebeneinander liegenden Federblättchen (1), wobei in den Zwischenräumen der Federblättchen (1) elastisch komprimierbare Dämpfungsglieder (3) angeordnet sind, und wobei die Federblättchen (1) mit den dazwischen angeordneten Dämpfungsgliedern (3) und mit zusätzlichen Versteifungsblechen (4) zwischen den Dämpfungsgliedern (3) in ein Gehäuse (5) eingepresst sind, dadurch gekennzeichnet, dass die Versteifungsbleche (4) an ihren unteren und oberen Längsseiten in Nuten (6) des Gehäuses (5) geführt sind, wobei die Federblättchen (1) durch wenigstens einen quer zur Längsrichtung der Federblättchen (1) verlaufenden Quersteg (2) miteinander verbunden sind, der mittig in der Längsachse der Federblättchen (1) liegt.

Figure DE102016003683B4_0000
Spring element, in particular for an elastic bearing, with a plurality of parallel adjacent spring leaves (1), wherein in the interstices of the spring leaves (1) elastically compressible damping members (3) are arranged, and wherein the spring leaves (1) with the damping members arranged therebetween (3 ) and with additional stiffening plates (4) between the damping members (3) are pressed into a housing (5), characterized in that the stiffening plates (4) are guided at their lower and upper longitudinal sides in grooves (6) of the housing (5) , wherein the spring leaflets (1) by at least one transversely to the longitudinal direction of the spring leaves (1) extending transverse web (2) are interconnected, which is located centrally in the longitudinal axis of the spring leaflets (1).
Figure DE102016003683B4_0000

Description

Die Erfindung betrifft ein Federelement nach der im Oberbegriff von Anspruch 1 näher definierten Art.The invention relates to a spring element according to the closer defined in the preamble of claim 1.

Ein Federelement dieser Art ist in der DE 70 13 793 U beschrieben. Das vorbekannte Federelement dient zur elastischen Lagerung von Verbrennungsmotoren in Fahrzeugen. Dabei soll in vertikaler und in der Drehrichtung des Motors eine weiche Federkennung vorhanden sein, in Fahrtrichtung soll das Federelement jedoch hart genug sein, um die am Motor wirkenden Brems- und Verzögerungskräfte ohne größere Verformung aufzunehmen.A spring element of this type is in the DE 70 13 793 U described. The previously known spring element is used for elastic mounting of internal combustion engines in vehicles. It should be present in the vertical and in the direction of rotation of the engine, a soft spring rate, in the direction of travel, however, the spring element should be hard enough to absorb the braking and deceleration forces acting on the engine without major deformation.

Das aus mehreren parallel nebeneinander liegenden Federblättchen gebildete Federelement verbindet hierzu die Federeigenschaften von Blattfedern mit den Dämpfungseigenschaften von Dämpfungsgliedern aus Gummi, die zwischen den einzelnen Federblättchen zusammen mit zusätzlich dazwischen liegenden Versteifungsblechen angeordnet und in ein Gehäuse eingepresst sind.The spring element formed from a plurality of parallel juxtaposed spring leaves for this purpose connects the spring characteristics of leaf springs with the damping properties of rubber attenuators, which are arranged between the individual spring leaflets together with additionally arranged stiffening plates and pressed into a housing.

In der EP 0 368 730 B1 ist ebenfalls ein elastisches Lager mit unterschiedlichen Steifigkeiten in Richtung der drei orthogonalen Achsen beschrieben:In the EP 0 368 730 B1 is also described an elastic bearing with different stiffnesses in the direction of the three orthogonal axes:

Aus der FR 2 668 566 A2 und der US 2,698,750 A sind ebenfalls elastische Lagerungen mit Federblättchen und elastisch komprimierbaren Dämpfungsgliedern in den Zwischenräumen bekannt.From the FR 2 668 566 A2 and the US 2,698,750 A are also elastic bearings with spring leaves and elastically compressible attenuators known in the interstices.

Der vorliegenden Erfindung liegt die Aufgabe zugrunde, ein Federelement zur elastischen Lagerung zu schaffen, das in eine der drei orthogonalen Achsen nahezu keine Bewegung ermöglicht und damit eine sehr hohe Steifigkeit und nahezu keine Federeigenschaften quer zur Längsrichtung der Federblättchen besitzt.The present invention has for its object to provide a spring element for elastic support, which allows almost no movement in one of the three orthogonal axes and thus has a very high rigidity and almost no spring properties transverse to the longitudinal direction of the spring leaves.

Erfindungsgemäß wird diese Aufgabe durch die in Anspruch 1 genannten Merkmale gelöst.According to the invention, this object is achieved by the features mentioned in claim 1.

Durch die Aufnahme der Versteifungsbleche in Nuten im Gehäuse wird eine hohe Steifigkeit erreicht und eine Federung quer zur Längsrichtung der Federblättchen wird unterbunden.By receiving the stiffening plates in grooves in the housing a high rigidity is achieved and a suspension transverse to the longitudinal direction of the spring leaves is prevented.

In Längsrichtung der Federblättchen sind in geringem Umfang Bewegungen möglich. In X-Richtung, d .h. quer zur Längsrichtung der Federblättchen, können dagegen große Kräfte aufgenommen werden. Gleiches gilt für Momente, um die Hochachse (Z-Achse).In the longitudinal direction of the spring leaves movements are possible to a small extent. In the X direction, ie. transverse to the longitudinal direction of the spring leaves, however, large forces can be absorbed. The same applies to moments around the vertical axis (Z-axis).

Darüber hinaus können Verdrehtoleranzen um die X-Achse ausgeglichen werden.In addition, twist tolerances around the X-axis can be compensated.

Vorteilhafte Ausgestaltungen und Weiterbildungen der Erfindung sind nachfolgend anhand des in der Zeichnung beschriebenen Ausführungsbeispiels beschrieben.Advantageous embodiments and further developments of the invention are described below with reference to the embodiment described in the drawing.

Es zeigt:

  • 1 eine perspektivische Ansicht des erfindungsgemäßen Federelementes
  • 2 einen Querschnitt durch das Federelement nach der 1.
It shows:
  • 1 a perspective view of the spring element according to the invention
  • 2 a cross section through the spring element after the 1 ,

Das Federelement weist eine Vielzahl von parallel nebeneinander liegenden Federblättchen 1 auf. Die nebeneinander liegenden Federblättchen 1 sind durch einen quer zur Längsrichtung der Federblättchen 1 liegenden Quersteg 2 miteinander verbunden, um eine Biegung der Federblättchen 1 zu unterbinden. Der Quersteg 2 liegt hierzu mittig in der Längsachse der Federblättchen 1.The spring element has a plurality of parallel adjacent spring leaves 1 on. The adjacent spring leaves 1 are through a transverse to the longitudinal direction of the spring leaves 1 lying crosspiece 2 interconnected to a bend of the spring leaflets 1 to prevent. The crossbar 2 for this purpose lies centrally in the longitudinal axis of the spring leaves 1 ,

An beiden Längsseiten der Federblättchen 1 sind diese von elastisch komprimierbaren Dämpfungsgliedern 3 in Blattform umgeben. Die Dämpfungsglieder 3 können aus einem Elastomer bestehen.On both long sides of the spring leaves 1 these are of elastically compressible attenuators 3 surrounded in leaf form. The attenuators 3 can be made of an elastomer.

Jeweils zwischen zwei benachbart zueinander liegenden Dämpfungsgliedern 3 ist ein Zwischenraum vorhanden. In den Zwischenräumen sind Versteifungsbleche 4 angeordnet. Das Paket aus den Federblättchen 1, den Dämpfungsgliedern 3 und den Versteifungsblechen 4, die das Federelement bilden, wird in ein rechteckiges Gehäuse 5 eingepresst. Hierfür ist das Federelement quer zur Längsachse des Gehäuses 5 (X-Richtung gemäß 1) breiter als die Breite des Gehäuses 5. Dies bedeutet, das Federelement kann nur durch eine entsprechende Komprimierung der Dämpfungsglieder 3 in das Gehäuse 5 in Pfeilrichtung A (Y-Achse) eingeschoben werden.In each case between two mutually adjacent attenuators 3 there is a gap. In the interstices are stiffening plates 4 arranged. The package from the spring leaves 1 , the attenuators 3 and the stiffening sheets 4 , which form the spring element, is in a rectangular housing 5 pressed. For this purpose, the spring element is transverse to the longitudinal axis of the housing 5 (X-direction according to 1 ) wider than the width of the housing 5 , This means that the spring element can only by a corresponding compression of the attenuators 3 in the case 5 in the direction of the arrow A (Y-axis) are inserted.

Wie aus der 2 ersichtlich ist, ist das Gehäuse 5 auf seiner Oberseite und auf seiner Unterseite mit Längsnuten 6 versehen. In die Längsnuten 6 werden nach Komprimierung des Federelements zum Einschieben in das Gehäuse 5 die Versteifungsbleche 4 eingeschoben. Hierzu besitzen die Längsnuten 6 entsprechend mit Spiel die gleiche Breite wie die Dicke der Versteifungsbleche 4. Auf diese Weise sind die Versteifungsbleche 4 in dem Gehäuse 5 entsprechend geführt.Like from the 2 it can be seen, is the housing 5 on its top and on its underside with longitudinal grooves 6 Provided. In the longitudinal grooves 6 are after compression of the spring element for insertion into the housing 5 the stiffening sheets 4 inserted. For this purpose have the longitudinal grooves 6 according to match the same width as the thickness of the stiffening plates 4 , In this way, the stiffening plates 4 in the case 5 guided accordingly.

An beiden Enden der Federblättchen 1, die aus dem Gehäuse 5 herausragen, ist jeweils ein Halter bzw. Träger 7 für die Federblättchen 1 vorgesehen. Über die Halter 7 erfolgt der Einbau des Federelements an einer gewünschten Stelle zur elastischen Lagerung einer Einrichtung, Vorrichtung oder dergleichen.At both ends of the spring leaves 1 coming out of the case 5 each protrude, is a holder or carrier 7 for the spring leaves 1 intended. About the holders 7 the installation of the spring element at a desired location for elastic mounting of a device, device or the like.

Durch die komprimierte Lagerung des Federelementes in dem Gehäuse 5 ist das Federelement in X-Richtung sehr steif. In Y-Richtung ist jedoch eine geringe Verschiebung möglich. Um die Z-Achse (Hochachse) ist ebenfalls eine hohe Steifigkeit gegeben, sodass um die Z-Achse große Momente aufgenommen werden können.By the compressed storage of the spring element in the housing 5 the spring element is very stiff in the X direction. In the Y direction, however, a small shift is possible. There is also a high stiffness around the Z axis (vertical axis) so that large moments can be recorded around the Z axis.

Claims (3)

Federelement, insbesondere für eine elastische Lagerung, mit mehreren parallel nebeneinander liegenden Federblättchen (1), wobei in den Zwischenräumen der Federblättchen (1) elastisch komprimierbare Dämpfungsglieder (3) angeordnet sind, und wobei die Federblättchen (1) mit den dazwischen angeordneten Dämpfungsgliedern (3) und mit zusätzlichen Versteifungsblechen (4) zwischen den Dämpfungsgliedern (3) in ein Gehäuse (5) eingepresst sind, dadurch gekennzeichnet, dass die Versteifungsbleche (4) an ihren unteren und oberen Längsseiten in Nuten (6) des Gehäuses (5) geführt sind, wobei die Federblättchen (1) durch wenigstens einen quer zur Längsrichtung der Federblättchen (1) verlaufenden Quersteg (2) miteinander verbunden sind, der mittig in der Längsachse der Federblättchen (1) liegt.Spring element, in particular for an elastic bearing, with a plurality of parallel adjacent spring leaves (1), wherein in the interstices of the spring leaves (1) elastically compressible damping members (3) are arranged, and wherein the spring leaves (1) with the damping members arranged therebetween (3 ) and with additional stiffening plates (4) between the damping members (3) are pressed into a housing (5), characterized in that the stiffening plates (4) are guided at their lower and upper longitudinal sides in grooves (6) of the housing (5) , wherein the spring leaflets (1) by at least one transversely to the longitudinal direction of the spring leaves (1) extending transverse web (2) are interconnected, which is located centrally in the longitudinal axis of the spring leaflets (1). Federelement nach Anspruch 1, dadurch gekennzeichnet, dass die Versteifungsbleche (4) jeweils beidseitig der Federblättchen (1) angeordnet sind.Spring element after Claim 1 , characterized in that the stiffening plates (4) are each arranged on both sides of the spring leaves (1). Federelement nach Anspruch1 oder 2, dadurch gekennzeichnet, dass die Dämpfungsglieder (3) aus einem Elastomer bestehen.Spring element according to claim 1 or 2, characterized in that the damping members (3) consist of an elastomer.
DE102016003683.4A 2016-03-24 2016-03-24 Spring element, in particular for elastic mounting Expired - Fee Related DE102016003683B4 (en)

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DE102016003683B4 true DE102016003683B4 (en) 2019-11-21

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102016220381A1 (en) 2016-10-18 2018-04-19 Audi Ag Resolved McPherson suspension

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2698750A (en) * 1952-04-28 1955-01-04 Nicosia Chris Rust-proofed automobile spring
DE7013793U (en) * 1970-04-15 1973-10-04 Joern Dipl-Ing SPRING ELEMENT, IN PARTICULAR FOR THE ELASTIC MOUNTING OF MOTORS.
EP0368730B1 (en) * 1988-11-09 1992-03-18 Hutchinson Elastic mount with anisotropic rigidities, particularly for car body suspensions
FR2668566A2 (en) * 1990-10-25 1992-04-30 Hutchinson ELASTIC SUPPORT, ESPECIALLY FOR A VEHICLE ENGINE.

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2698750A (en) * 1952-04-28 1955-01-04 Nicosia Chris Rust-proofed automobile spring
DE7013793U (en) * 1970-04-15 1973-10-04 Joern Dipl-Ing SPRING ELEMENT, IN PARTICULAR FOR THE ELASTIC MOUNTING OF MOTORS.
EP0368730B1 (en) * 1988-11-09 1992-03-18 Hutchinson Elastic mount with anisotropic rigidities, particularly for car body suspensions
FR2668566A2 (en) * 1990-10-25 1992-04-30 Hutchinson ELASTIC SUPPORT, ESPECIALLY FOR A VEHICLE ENGINE.

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