Classifications

• • 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
  • F16F13/00—Units comprising springs of the non-fluid type as well as vibration-dampers, shock-absorbers, or fluid springs
  • F16F13/04—Units comprising springs of the non-fluid type as well as vibration-dampers, shock-absorbers, or fluid springs comprising both a plastics spring and a damper, e.g. a friction damper
  • F16F13/06—Units comprising springs of the non-fluid type as well as vibration-dampers, shock-absorbers, or fluid springs comprising both a plastics spring and a damper, e.g. a friction damper the damper being a fluid damper, e.g. the plastics spring not forming a part of the wall of the fluid chamber of the damper
  • F16F13/08—Units comprising springs of the non-fluid type as well as vibration-dampers, shock-absorbers, or fluid springs comprising both a plastics spring and a damper, e.g. a friction damper the damper being a fluid damper, e.g. the plastics spring not forming a part of the wall of the fluid chamber of the damper the plastics spring forming at least a part of the wall of the fluid chamber of the damper
  • F16F13/10—Units comprising springs of the non-fluid type as well as vibration-dampers, shock-absorbers, or fluid springs comprising both a plastics spring and a damper, e.g. a friction damper the damper being a fluid damper, e.g. the plastics spring not forming a part of the wall of the fluid chamber of the damper the plastics spring forming at least a part of the wall of the fluid chamber of the damper the wall being at least in part formed by a flexible membrane or the like
• • 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
  • F16F15/00—Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
  • F16F15/02—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems
  • F16F15/04—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means
  • F16F15/08—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means with rubber springs ; with springs made of rubber and metal
  • F16F15/085—Use of both rubber and metal springs
• • 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

Definitions

• the invention relates to a spring-damping element with different
• the spring-damping element has an arranged between unsprung and sprung mass elastomeric spring with a lower spring stiffness in the vertical direction than in the horizontal direction, as well as between unsprung and sprung mass
• a generic spring-damping element disclosed in EP 1 500 846 AI the subject of a fluid-filled bearing, in which a rubber spring and a steel spring are arranged in series.
• the spring-damping element is provided with a damping element consisting of two damping elements, wherein on the one hand flows through an annular gap and on the other hand, a damping plate of a fluid / flows around.
• the bearing is suitable for receiving high vertical spring forces and also has a resistance to lateral, ie approximately horizontal shocks, but generated by the series arrangement a large height and uses the rubber spring always as
• Temperature-dependent spring characteristic of the rubber spring is the one that determines the bearing behavior.
• the task was a spring-damping element
• elastomer spring and steel spring between unsprung and sprung mass acting in parallel and concentrically arranged so that a spring surrounds the other spring.
• the elastomeric spring divides a filled with a hydraulic medium volume in two working spaces, which via a with a damping channel or
• Throttle cross-section provided separating element are connected.
• Elastomer spring and working spaces are arranged so that spring movements of the spring-damping element in the vertical direction are subjected to a hydraulic damping.
• the steel spring provides in the sense of the task with their vertical
• the steel spring also works independently of the temperature.
• the elastomeric spring is designed so that a very soft vertical spring characteristic is provided, while it is rigid in the horizontal direction and allows a horizontal guide safely.
• the steel spring is designed as a helical spring and encloses a pot-shaped container with hydraulic medium, which is connected to one of the masses, wherein the elastomer spring as
• Ring spring between the inner container wall and a centrally projecting into the container and is connected to a connection part for the other mass associated pin.
• a further advantageous embodiment is that the pin is designed as a separating element and is provided with a with a damping channel or throttle cross-section. This results in a further integration of function in the existing components.
• a further advantageous embodiment is that the pin is provided in the region of the cup-shaped container with one or more grooves, for example with a helical groove which is covered by a pushed over the pin and provided with holes sleeve so that forms a damping channel ,
• a type of throttle channel can be easily produced.
• any type of channel shape can be easily made by a groove and a pushed sleeve, in addition to a helical groove, for example, one or more milled in the pin longitudinal grooves, which terminate in circumferential grooves.
• Chassis suitable training is that the pin is connected to the sprung mass and the cup-shaped container with the unsprung mass.
• a further advantageous embodiment is that the cup-shaped container is covered with a lid, in particular with a flexible sleeve. This avoids contamination of the hydraulic medium and still allows easy maintenance.
• Container inner wall that is about trained as a disc disc with a central bore.
• the pin is securely stabilized and can not tilt.
• the elastomeric spring is a layer spring consisting of rubber and metal rings, that is, consists of alternating rings of rubber and vulcanized metal rings. This allows the
• the spring-damping element according to the invention for a chassis for a vehicle, in particular for a rail vehicle, in which high loads must be cushioned and a secure side guide especially when cornering and tight rail radii is most important.
• FIGURE shows a spring-damping element 1 according to the invention
• the spring-damping element 1 transmits in the vertical direction of loading the
• Main spring forces and in the horizontal direction essentially executives.
• the spring-damping element has two springs, namely an elastomeric spring 2 and a steel spring 3.
• the steel spring 3 is formed as a helical spring and encloses a cup-shaped container 4 with hydraulic medium 5, on its underside via the connector 6 with a wheel carrier not shown here unsprung mass of a rail vehicle is connected.
• the elastomer spring 2 is an annular spring between the inner wall of the container 4 and a centrally projecting into the container 4 pin 7, which is connected via a connecting part 8 with a bogie frame of a rail vehicle also not shown here as a sprung mass.
• the elastomer spring 2 has a much lower spring stiffness in the vertical direction than in the horizontal direction, wherein the spring stiffness in the vertical direction in this case is also much lower than the spring stiffness of the steel spring 3 clamped between the two connecting parts 6 and 8
• Elastomer spring 2 and steel spring 3 are thus parallel acting between unsprung and sprung mass and concentrically arranged so that the steel spring the
• the elastomeric spring 2 divides the filled with a hydraulic medium volume of the cup-shaped container 4 in two working spaces 9 and 10, which are connected to each other - in addition to the elastomeric spring - formed as a further separating element between these working space pin 7 with a pin 7 formed in the damping channel 11.
• the damping channel 11 is a throttle cross section through which the
• Hydraulic medium 5 can flow under dissipation between the working spaces back and forth and thus performs damping work.
• Elastomer spring 2 and working spaces 9 and 10 are thus arranged so that spring movements of the spring-damping element are subjected in the vertical direction of a hydraulic damping.
• the damping channel 11 consists of several in the surface of the pin. 7
• the pot-shaped container 4 is covered with a flexible sleeve 13.
• the elastomer spring 2 is here as one consisting of rubber and metal rings
• Layer spring formed.
• the metal rings and the rubber rings are connected by vulcanization.

Landscapes

• Engineering & Computer Science (AREA)
• General Engineering & Computer Science (AREA)
• Mechanical Engineering (AREA)
• Chemical & Material Sciences (AREA)
• Combustion & Propulsion (AREA)
• Physics & Mathematics (AREA)
• Acoustics & Sound (AREA)
• Aviation & Aerospace Engineering (AREA)
• Combined Devices Of Dampers And Springs (AREA)
• Vibration Prevention Devices (AREA)
• Springs (AREA)

Priority Applications (3)

Applications Claiming Priority (2)

Publications (1)

Family

ID=43127267

Family Applications (1)

Country Status (5)

Cited By (3)

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Citations (4)

Family Cites Families (3)

• 2009
  • 2009-09-15 DE DE200910044005 patent/DE102009044005A1/de not_active Withdrawn
• 2010
  • 2010-08-30 JP JP2012528309A patent/JP5657668B2/ja active Active
  • 2010-08-30 WO PCT/EP2010/062613 patent/WO2011032820A1/de not_active Ceased
  • 2010-08-30 EP EP10752329.2A patent/EP2478255B1/de active Active
  • 2010-08-30 KR KR1020127009525A patent/KR101745320B1/ko active Active

Patent Citations (4)

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