Classifications

• • 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
• • 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
  • F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
  • F16D3/00—Yielding couplings, i.e. with means permitting movement between the connected parts during the drive
  • F16D3/16—Universal joints in which flexibility is produced by means of pivots or sliding or rolling connecting parts
  • F16D3/20—Universal joints in which flexibility is produced by means of pivots or sliding or rolling connecting parts one coupling part entering a sleeve of the other coupling part and connected thereto by sliding or rolling members
  • F16D3/22—Universal joints in which flexibility is produced by means of pivots or sliding or rolling connecting parts one coupling part entering a sleeve of the other coupling part and connected thereto by sliding or rolling members the rolling members being balls, rollers, or the like, guided in grooves or sockets in both coupling parts
  • F16D3/223—Universal joints in which flexibility is produced by means of pivots or sliding or rolling connecting parts one coupling part entering a sleeve of the other coupling part and connected thereto by sliding or rolling members the rolling members being balls, rollers, or the like, guided in grooves or sockets in both coupling parts the rolling members being guided in grooves in both coupling parts
• • 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
  • F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
  • F16D3/00—Yielding couplings, i.e. with means permitting movement between the connected parts during the drive
  • F16D3/50—Yielding couplings, i.e. with means permitting movement between the connected parts during the drive with the coupling parts connected by one or more intermediate members
  • F16D3/64—Yielding couplings, i.e. with means permitting movement between the connected parts during the drive with the coupling parts connected by one or more intermediate members comprising elastic elements arranged between substantially-radial walls of both coupling parts
  • F16D3/68—Yielding couplings, i.e. with means permitting movement between the connected parts during the drive with the coupling parts connected by one or more intermediate members comprising elastic elements arranged between substantially-radial walls of both coupling parts the elements being made of rubber or similar material
• • 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
  • F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
  • F16D3/00—Yielding couplings, i.e. with means permitting movement between the connected parts during the drive
  • F16D3/16—Universal joints in which flexibility is produced by means of pivots or sliding or rolling connecting parts
  • F16D3/20—Universal joints in which flexibility is produced by means of pivots or sliding or rolling connecting parts one coupling part entering a sleeve of the other coupling part and connected thereto by sliding or rolling members
  • F16D3/22—Universal joints in which flexibility is produced by means of pivots or sliding or rolling connecting parts one coupling part entering a sleeve of the other coupling part and connected thereto by sliding or rolling members the rolling members being balls, rollers, or the like, guided in grooves or sockets in both coupling parts
  • F16D3/223—Universal joints in which flexibility is produced by means of pivots or sliding or rolling connecting parts one coupling part entering a sleeve of the other coupling part and connected thereto by sliding or rolling members the rolling members being balls, rollers, or the like, guided in grooves or sockets in both coupling parts the rolling members being guided in grooves in both coupling parts
  • F16D2003/22326—Attachments to the outer joint member, i.e. attachments to the exterior of the outer joint member or to the shaft of the outer joint member
• • 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
  • F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
  • F16D2300/00—Special features for couplings or clutches
  • F16D2300/22—Vibration damping
• • 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
  • F16F15/10—Suppression of vibrations in rotating systems by making use of members moving with the system
  • F16F15/12—Suppression of vibrations in rotating systems by making use of members moving with the system using elastic members or friction-damping members, e.g. between a rotating shaft and a gyratory mass mounted thereon
  • F16F15/121—Suppression of vibrations in rotating systems by making use of members moving with the system using elastic members or friction-damping members, e.g. between a rotating shaft and a gyratory mass mounted thereon using springs as elastic members, e.g. metallic springs
  • F16F15/123—Wound 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
  • F16F15/00—Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
  • F16F15/10—Suppression of vibrations in rotating systems by making use of members moving with the system
  • F16F15/12—Suppression of vibrations in rotating systems by making use of members moving with the system using elastic members or friction-damping members, e.g. between a rotating shaft and a gyratory mass mounted thereon
  • F16F15/121—Suppression of vibrations in rotating systems by making use of members moving with the system using elastic members or friction-damping members, e.g. between a rotating shaft and a gyratory mass mounted thereon using springs as elastic members, e.g. metallic springs
  • F16F15/124—Elastomeric springs

Definitions

• the invention relates to a drive train with at least one propeller shaft according to the preamble of claim 1.
• a propeller shaft is used to transmit torques at non-aligned axes of rotation of a drive and an output shaft over a spatial angle.
• Double cross joints formed consist of numerous steel, aluminum and / or plastic components, eg. B. journal crosses, needle roller bearings, sealing rings, joint forks, centering.
• joints in such propeller shafts can be formed by tripod joints or homokinetic joints.
• vibrations can occur in front- or all-wheel drive vehicles, which are felt by the occupants and are generally perceived as unpleasant.
• DE 10 2009 024 627 A1 describes a drive train of a motor vehicle with at least one differential gear, the drive torque to two in each case dividing a driven wheel leading side shafts.
• at least one side shaft on two side shaft parts which are coupled to one another via a resilient in the axial direction, but torque-rigid damping element.
• the invention has for its object to provide a comparison with the prior art improved powertrain with at least one propeller shaft.
• hinge shaft having at least one inner and / or outer joint with a first joint housing for the uniform transmission of torsional moments over a spatial deflection angle between a drive and an output side of the propeller shaft
• first joint housing according to the invention a first and a second housing part, which formally , are coupled with material and / or non-positive, wherein at least one coupling element between at least one coupling point between the first and second housing part at least one damping element is arranged at least in sections.
• both transmitted by a propeller shaft axial and radial vibrations are damped, so that in a passenger compartment as uncomfortable perceived vibrations, especially at standstill of the motor vehicle, are significantly reduced and resulting ride comfort of a motor vehicle equipped with such a drive train is significantly increased.
• the trained for vibration damping first joint housing is both structurally simple, and in its manufacture comparatively cost-effective, so that the significantly increased ride comfort with only small
• a plurality of evenly distributed, partial circle segment-shaped protrusions are preferably formed in the region of its outer circumference, which project beyond a main body of the first housing part in the direction of the second housing part, wherein on side surfaces of the partial circle segment-shaped protrusions substantially parallel to a rotational axis of the first joint housing aligned surfaces are formed and wherein between the part-circle segment-shaped protrusions on the base body substantially perpendicular to a rotational axis of the first joint housing aligned surfaces are formed.
• flat surfaces are formed at all crosspoints between the housing parts to which damping elements can be arranged.
• a pin-shaped formation is arranged on the first housing part particularly preferably in a central region, which is the main body of the first
• Housing protrudes in the direction of the second housing part, wherein at the
• the housing parts can be braced axially in a simple manner.
• Recesses arranged in which engage the formations of the first housing part at least positively and that in the second housing part a
• first and the second housing part at least one first damping element to the parallel to the axis of rotation of the arranged first joint housing aligned surfaces for damping axially occurring and / or acting forces and / or vibrations.
• At least one second damping element is arranged between the first and the second housing part on the surfaces aligned perpendicular to the axis of rotation of the first joint housing for damping radially occurring and / or acting forces and / or vibrations.
• Damper element arranged in the manner of a washer on the pin-shaped formation of the first housing part.
• the joint is arranged with the first joint housing between the differential gear and a shaft portion of the propeller shaft.
• the vibrations can already be absorbed in the immediate vicinity of the differential gear.
• the joint with the first joint housing between a shaft portion of the propeller shaft and the respective drive wheel is arranged. In this way vibrations can be absorbed before their introduction into the drive wheel and the axle kinematics.
• the drive train preferably comprises a transverse to a direction of rotation arranged internal combustion engine and a transversely arranged to the direction of transmission.
• Vibration damping trained first joint housing allows a particularly effective vibration damping.
• Fig. 1 shows schematically a motor vehicle with an inventively designed
• Powertrain 2 is a schematic side view of a multi-part joint housing
• Fig. 3 shows an exploded view of a multi-part
• Fig. 4 shows schematically a first sectional view of a multi-part
• Fig. 5 shows schematically a second sectional view of a multi-part
• Fig. 6 shows schematically a perspective view of a first housing part of a multi-part joint housing
• Fig. 7 shows schematically a perspective view of a second housing part of a multi-part joint housing.
• FIG. 1 schematically shows a motor vehicle 1 with a drive train 2 designed according to the invention.
• a drive train 2 is designed essentially as a conventional drive train and comprises an internal combustion engine 3
• Transmission 4 a differential gear 5
• the internal combustion engine 3 generates a drive torque, which is transmitted by means of the transmission 4 and the differential gear 5 to a drive side of the propeller shafts 6.
• the propeller shafts 6 allow a uniform transmission of torsional moments over a spatial flexion angle between a drive and an output side of the propeller shaft. 6
• the output side of a propeller shaft 6 is rotatably coupled to one of the drive wheels 7.
• the propeller shaft 6 comprises an inner joint 8 and / or an outer joint 27 for
• the articulated shaft 6 preferably comprises two joints 8, an inner joint 8 and an outer joint 27.
• the drive train 2 can be both part of a vehicle with front-wheel drive, ie
• the transmission 4 is preferably designed as a converter automatic transmission.
• vibrations can occur in front- or all-wheel drive vehicles, which are felt by the occupants and are usually perceived as unpleasant.
• the vibrations of the drive device in particular the internal combustion engine 3, via the corresponding differential to the propeller shafts 6, to the wheel suspensions and at the end in the passenger compartment forwarded Vibration eliminated or at least significantly reduced.
• differential 5 a differential is preferably integrated.
• the drive train 2 has a transverse to a direction of travel of the motor vehicle 1 arranged internal combustion engine 3 and a transverse to
• Direction of travel is arranged in front of the transmission 4.
• One of the joints 8, 27 is for example as a homokinetic joint to
• the joint 8 or 27 comprises in a manner not shown a first joint housing 9 and a second joint housing, which are mechanically coupled by means of a plurality of rolling elements.
• the first joint housing 9 is formed in multiple parts in the drive train 2 according to the invention.
• the joint is 8 or 27 with the first
• Joint housing 9 between the differential gear 5 and a shaft portion 28 of the propeller shaft 6 is arranged.
• the joint 8 is with the first
• Joint housing 9 disposed between a shaft portion 28 of the propeller shaft 6 and the respective drive wheel 7.
• Figure 2 shows schematically a side view of such a multi-part
• FIG. 3 shows schematically an exploded view of the multipart
• the first joint housing 9 has a first housing part 10 and a second one
• At least one damping element 12 is arranged at least in sections at at least one coupling point between the first and the second housing part 10, 11.
• the first housing part 10 comprises one in the axial direction, i. parallel to one
• the first housing part 10 comprises a
• Stub shaft 14 Particularly advantageously, the stub shaft 14, a shaft portion or a different type of connection geometry to the coupling elements on a side facing away from the second housing part 11 side on the base body 13 is arranged.
• a plurality of formations 16 are formed on the first housing part 10 in the region of its outer circumference 15. The formations 16 project beyond the main body 13 of the first housing part 10 in the direction of the second housing part 11.
• the formations 16 are arranged distributed uniformly on the outer circumference 15 of the first housing part 10.
• the formations 16 each have a semicircular segment-shaped cross section in the axial direction.
• the damping elements 12 are arranged on the side surfaces 17 of the part-circle segment-shaped formations 16 oriented substantially parallel to the axis of rotation of the first joint housing 9. Furthermore, 16 are between the part-circle segment-shaped formations
• Base body 13 substantially perpendicular to the axis of rotation of the first joint housing 9 aligned surfaces 18 formed.
• Housing part 10 three formations 16 are arranged.
• a pin-shaped formation 19 is arranged on the first housing part 10, which projects beyond the base body 13 of the first housing part 10 in the direction of the second housing part 11. At the end, the pin-shaped formation 19 is at least endwise in the direction of the second
• Housing part 11 a threaded portion 20 is formed or formed.
• the second housing part 11 comprises a bell-shaped portion 21 on the inner circumference 22 in a conventional manner raceways 23 are formed for the rolling elements, not shown.
• recesses 24 are formed on the second housing part 11 corresponding to the part-circle segment-shaped formations 16 of the first housing part 10.
• the formations 16 of the first housing part 10 engage in the recesses 24 at least in a form-fitting manner, in particular in a claw-like manner.
• the second housing part 11 axially behind the bell-shaped portion 21 claw-like recesses 24 which engage in the corresponding formations 16 of the first housing part 10.
• the claw-like recesses 24 form a second claw portion 31, which is arranged particularly advantageously axially behind the bell-shaped portion 21.
• the second jaw portion 31 but also axially at the level of
• the arrangement axially one behind the other leads to a slim and compact arrangement of the entire drive train with a high transmissible torque.
• the second jaw portion 31 may alternatively have other known jaw geometries.
• the first housing part 10 has for this purpose a corresponding first claw portion 30.
• a corresponding to the pin-shaped formation 19 of the first housing part 10 formed through opening 25 is arranged in the second housing part 11. Through this passage opening 25, the pin-shaped formation 19 protrudes at least in sections, so that the threaded portion 20 a
• conventional fastener 26 such as a mother, is reversibly arranged.
• the housing parts 10 and 11 are clamped axially in the assembled state.
• Figure 4 shows schematically a first sectional view of the multi-part
• Figure 5 shows schematically a second sectional view of the multi-part
• FIG. 6 schematically shows a perspective view of the first housing part 10 of the multi-part joint housing 9.
• FIG. 7 schematically shows a perspective view of the second housing part 11 of the multi-part joint housing 9.
• the damping elements 12 are preferred as conventional steel springs or
• first damping element 12.1 is at the perpendicular to the axis of rotation of the first
• Joint housing 9 aligned surfaces 18 for damping of axially occurring and / or acting forces and / or vibrations arranged.
• the first damping elements 12.1 are preferably round, oval or rounded and can be arranged reversibly on the surfaces 18. In a particularly preferred embodiment, a first damping element 12.1 is arranged on each of the surfaces 18.
• At least one second damping element 12.2 at the parallel to the axis of rotation of the first
• Joint housing 9 aligned side surfaces 17 of the partial circle segment-shaped formations 16 for damping radially occurring and / or acting forces and / or vibrations arranged.
• the second damping elements 12. 2 are preferably of cuboid shape and can be arranged reversibly on the side surfaces 17.
• a second damping element 12.2 is arranged on each of the side surfaces 17.
• Washer can be arranged on the pin-shaped formation 19 of the first housing part 10.
• the third damping element 12.3 is preferably arranged below the fastening means 26 and axially braced by means of this in the assembled state.
• the damping elements 12.1 to 12.3 can each be arranged separately or together in different combinations in a joint housing 9.
• damping elements 12.1 to 12.3 are interchangeable and can be replaced in case of wear or defect.
• the damping function of the joint housing 9 can be simplified in two
• the second damping elements 12.2 decouple the housing parts 10 and 11 from each other in a tangential direction.
• the first damping elements 12.1 dampen the resulting vibrations in the axial direction.
• the second damping elements 12.2 are compressed or compressed such that the side surfaces 17 of the first housing part 10 act on the corresponding flanks of the recesses 24 of the second housing part 11 and transmit the drive torque. This mechanism of action is

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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)
• Motor Power Transmission Devices (AREA)

Applications Claiming Priority (2)

Publications (1)

Family

ID=47884241

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Country Status (2)

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Citations (5)

Family Cites Families (5)

• 2012
  • 2012-05-18 DE DE102012009942A patent/DE102012009942A1/de not_active Withdrawn
• 2013
  • 2013-03-08 WO PCT/EP2013/000691 patent/WO2013170917A1/fr not_active Ceased

Patent Citations (5)

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