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CN106838032A - Coupling device - Google Patents

Coupling device Download PDF

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Publication number
CN106838032A
CN106838032A CN201610826141.8A CN201610826141A CN106838032A CN 106838032 A CN106838032 A CN 106838032A CN 201610826141 A CN201610826141 A CN 201610826141A CN 106838032 A CN106838032 A CN 106838032A
Authority
CN
China
Prior art keywords
disk
shaft coupling
coupling according
compensating
blank
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CN201610826141.8A
Other languages
Chinese (zh)
Other versions
CN106838032B (en
Inventor
安德烈亚斯·特兰肯舒
彼得·特兰肯舒
威利·鲁德
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Schaeffler Technologies AG and Co KG
Original Assignee
Schaeffler Technologies AG and Co KG
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Schaeffler Technologies AG and Co KG filed Critical Schaeffler Technologies AG and Co KG
Publication of CN106838032A publication Critical patent/CN106838032A/en
Application granted granted Critical
Publication of CN106838032B publication Critical patent/CN106838032B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16DCOUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D3/00Yielding couplings, i.e. with means permitting movement between the connected parts during the drive
    • F16D3/16Universal joints in which flexibility is produced by means of pivots or sliding or rolling connecting parts
    • F16D3/26Hooke's joints or other joints with an equivalent intermediate member to which each coupling part is pivotally or slidably connected
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16DCOUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D3/00Yielding couplings, i.e. with means permitting movement between the connected parts during the drive
    • F16D3/02Yielding couplings, i.e. with means permitting movement between the connected parts during the drive adapted to specific functions
    • F16D3/04Yielding couplings, i.e. with means permitting movement between the connected parts during the drive adapted to specific functions specially adapted to allow radial displacement, e.g. Oldham couplings
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60KARRANGEMENT 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
    • B60K6/00Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00
    • B60K6/20Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs
    • B60K6/22Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs characterised by apparatus, components or means specially adapted for HEVs
    • B60K6/38Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs characterised by apparatus, components or means specially adapted for HEVs characterised by the driveline clutches
    • B60K6/387Actuated clutches, i.e. clutches engaged or disengaged by electric, hydraulic or mechanical actuating means
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60KARRANGEMENT 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
    • B60K6/00Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00
    • B60K6/20Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs
    • B60K6/22Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs characterised by apparatus, components or means specially adapted for HEVs
    • B60K6/40Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs characterised by apparatus, components or means specially adapted for HEVs characterised by the assembly or relative disposition of components
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60KARRANGEMENT 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
    • B60K6/00Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00
    • B60K6/20Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs
    • B60K6/42Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs characterised by the architecture of the hybrid electric vehicle
    • B60K6/48Parallel type
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60LPROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L50/00Electric propulsion with power supplied within the vehicle
    • B60L50/10Electric propulsion with power supplied within the vehicle using propulsion power supplied by engine-driven generators, e.g. generators driven by combustion engines
    • B60L50/16Electric propulsion with power supplied within the vehicle using propulsion power supplied by engine-driven generators, e.g. generators driven by combustion engines with provision for separate direct mechanical propulsion
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02KDYNAMO-ELECTRIC MACHINES
    • H02K7/00Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
    • H02K7/10Structural association with clutches, brakes, gears, pulleys or mechanical starters
    • H02K7/108Structural association with clutches, brakes, gears, pulleys or mechanical starters with friction clutches
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60LPROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L2240/00Control parameters of input or output; Target parameters
    • B60L2240/40Drive Train control parameters
    • B60L2240/50Drive Train control parameters related to clutches
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02TCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00Road transport of goods or passengers
    • Y02T10/60Other road transportation technologies with climate change mitigation effect
    • Y02T10/62Hybrid vehicles
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02TCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00Road transport of goods or passengers
    • Y02T10/60Other road transportation technologies with climate change mitigation effect
    • Y02T10/7072Electromobility specific charging systems or methods for batteries, ultracapacitors, supercapacitors or double-layer capacitors

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Transportation (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Power Engineering (AREA)
  • Mechanical Operated Clutches (AREA)
  • Friction Gearing (AREA)
  • Pulleys (AREA)

Abstract

The coupling for compensating radial misalignment comprises two discs, namely a drive disc and a driven disc, and also two compensating elements which are parallel to one another and can be offset in the radial direction with respect to each of the discs, each of which has the shape of an annular disc, wherein the two discs are arranged in a common plane which lies between the two compensating elements.

Description

Shaft coupling
Technical field
It is arranged between two axles being coupled to each other of compensation or other revolvable parts the present invention relates to a kind of Radial misalignments shaft coupling.This shaft coupling is also referred to as Oldham connectors.
Background technology
Also referred to as the Oldham connectors of crosshead shoe connector are for example by the U of DE 1 704 337 and by EP 1 Known in 225 357 B1.
Shaft coupling for compensating radial misalignments generally includes two disks (that is, drive disk and clutch plate) and compensation unit Part, the compensating element, can radially offset relative to wherein each disk.The compensating element, of crosshead shoe connector is for example Can be via sunk key system and the axle to be coupled each other collective effect as disclosed in the C2 of DE 198 57 248.In order to make Compensating element, is made, plastics can also be used in addition to metal material.Exemplarily, in this respect with reference to the A1 of EP 0 416 125.
Be made for compensate two axles between radial misalignments shaft coupling component those materials for being transported in shaft coupling The friction occurred between all parts during row plays a part of can not ignore.The prevention that should be provided for favourable lubricating condition is arranged Apply and be for example described in the C2 of foregoing DE 198 57 248.In this case, being eliminated in crosshead shoe to be used for The radial groove of lubricant conveying.Service life and torque transmission energy that agent supply have impact on shaft coupling are lubricated to shaft coupling Power.
The content of the invention
Task of the invention is to illustrate a kind of relative to improved Oldham connectors in the prior art being previously mentioned, its protrusion Part in particular, in that:Needed in the structure space especially in the axial direction of the axle being coupled to each other or the machine element of other rotations Ask has favourable relation between torque transfer capability.
The task is adapted to compensate for radial misalignments between two axles according to the present invention by the feature with claim 1 Shaft coupling, that is to say, that Oldham connectors are solved.The shaft coupling has two disks, that is, drive disk and clutch plate, drives Moving plate and clutch plate are arranged for respectively with an anti-relative rotation (drehfest) in the axle to be coupled each other even Connect.Term drive disk and clutch plate between two drivings or drive element herein merely to carry out linguistic differentiation and quilt From but be not related to the expression on torque direction of transfer.Additionally, term " axle " is also purely functionally to understand, wherein, Two be referred to as in the part of the rotation of axle are worked as driver part, and the other axle being previously mentioned is used as driven Part works.
Additionally, shaft coupling there are two each other and relative disk it is parallel, relative to wherein each disk can be radially Compensating element, that direction offsets, distinguishing plate-like in a ring.The disk being connected with two axles is axially arranged between compensating element, Wherein, these disks are located in common plane.
Two compensating element,s are functionally Oldham elements, and the Oldham elements in axial direction couple relative to each other Axle and the disk that is connected with these axles separated.Here, two compensating element,s are non-rigidly connected to each other, but (ignoring In the case of possible space) it is connected in anti-relative rotation each other.
So that two compensating element, elements connecing, extending along the axial direction of shaft coupling associated with one another in principle can be straight The two disk collective effects for connecing and being connected with axle, wherein, obtain sliding contact.Because the compensating element, of two ring discoids exists Being arranged symmetrically on two sides of disk, it is to avoid occur interfering tilting moment when shaft coupling runs.Further, since two Arrangement of the individual disk in common plane, makes shaft coupling considerably less along the space requirement of the axial direction of the axle to be coupled each other, This is especially particularly important in automotive vehicles applications.
According to the favourable design with the operation of special low friction is distinguished by, in two axles of compensating element, Paired holding element in a ring is disposed with to outside.By the preferred supports cylindrical of holding element or barrel-shaped rolling Body, this rolling element contact compensating element, and disk are transmitted to carry out power and torque, wherein, the rotation axis of rolling element is parallel It is orientated in disk, and then is orientated also parallel with the axle to be coupled each other.
On the one hand each rolling element for being embedded into two compensating element,s and being on the other hand embedded into one of disk In the favourable design with compensating element, and/or disk (namely drive disk or clutch plate) side at least one seam The profile contacts of gap shape.Therefore, when compensating element, occurs radial motion during shaft coupling runs, rolling element is at least one Rolling on the surface of the slot-shaped profile of description.Preferably, compensating element, and wherein each disk is designed as follows, That is, the radial direction of component cylindrical or that barrel-shaped rolling element is along correlation is enable to offset.
Consider on the axial direction of shaft coupling, from drive end to the axle through driving watcher always, therefore obtain The following structure of shaft coupling:
Two holding elements that are nested with one another, being located substantially in common plane,
First compensating element, of plate-like in a ring,
Two disks being located in common plane, these disks are connected with two axles respectively,
Second compensating element, of plate-like in a ring,
The second system being made up of two holding elements nested with one another,
Wherein, rolling element extends to the second compensation unit from the first compensating element, via the system by driving and clutch plate is constituted Part.
Therefore ground relevant with the plane for being wherein disposed with two disks, shaft coupling substantially builds in specular ground, wherein, Two disk not necessarily moulding with relatively mentioned plane specular.Using between drive disk and compensating element, And carried out between compensating element, and clutch plate power transmission rolling element provide shaft coupling very low friction operation simultaneously Simultaneously can transfer high torque.
Each pair holding element in a ring is formed by the holding element of the first kind and the holding element of Second Type. This, the guarantor of the holding element of the first kind on the first side of shaft coupling and the same type on the second side of shaft coupling Hold element connection.It is similarly applicable to two holding elements of Second Type.Pin, especially stepped pin are applied to connection two The holding element of same type, rolling element bearing is on pin.Here, the rolling of sliding supporting part or such as form for needle bearing Support is applied to roller body.Each holding element in a ring by two being diametrically opposed to one another the connecting element put, Especially stepped pin is connected with the second holding element of same type.Here, the connecting element between the holding element of the first kind 90 ° have been reversed relative to the connecting element between the holding element of Second Type.Correspondingly, each compensating element, has four It is scrolled the opening that body is passed through.Each opening has elongated shape, and along the radial direction side of the compensating element, of plate-like in a ring To orientation.Can realize significantly being saved while with enough stability by the other portion of leaving a blank in compensating element, About weight, these other portions of leaving a blank circumferentially direction be located at it is mentioned, accommodate rolling element and especially accommodate cylindrical roller Opening between.Preferably, these other openings have shape that is elongated, extending along the circumferential direction of compensating element, respectively Shape.
The system constituted in disk being neatly coupled to each other by two, in common plane and two disks in a ring Eight thrust washers are preferably disposed between the compensating element, of shape altogether, thrust washer surrounds by two pairs of holding elements to support Four rolling elements.
Two disks being neatly coupled to each other are preferably nested with one another, wherein, one of disk has non-circular shape, and And be radially disposed inside other disk.Here, inner disk has two outwardly open portions of leaving a blank, and outer disk has There are two inwardly unlimited portions of leaving a blank, the portion of leaving a blank is arranged for accommodating rolling element respectively or is by what multiple rolling elements were constituted System.The inwardly unlimited portion of leaving a blank of outwardly open leave a blank portion and the outer disk of inner disk intersects with unique imaginary circle, The imaginary circle is located at relative two disks and then also in the normal plane of relative axle.In the case where there, i.e. left a blank at each Single rolling element especially cylindrical roller is all there are in portion, as long as two disks, compensating element, and holding element are same each other Central places are orientated, then that is pitch circle is just accurately described the imaginary circle by the axis of symmetry of the rolling element.With this Mode causes equably to receive load for the whole rolling elements for transmitting torque between two disks.
Connection between disk and axle can be realized by different mechanisms in succession.For example, disk larger in two disks has The hole of twist-on or riveting can be used for being carried out with the flange being connected with one of axle.And it is less, preferably have rectangular base The disk of this shape can for example have through the central opening in the compensating element, or one of them described compensating element, Flange.The flange can for example be connected by interior teeth portion with one of axle.
For the ease of assembling shaft coupling, according to the scheme that is advantageously improved, two each portions of leaving a blank of disk pass through spring element Part is partially closed.Especially leaf spring is suitable as spring element, and leaf spring be connected with disk by being clamped and connected.Leaf spring is responsible in dress With and transport during make roller or (being made up of roller, stepped pin and holding element in a ring) roller unit in radial misalignments Concentrically pre- centering is carried out inside compensation section.Design leaf spring as follows, i.e. on the one hand make roller will not due to its deadweight And eccentric position is in inside radial misalignments compensation section, and on the other hand do not disturbed significantly during shaft coupling runs Power is applied on rolling element.
Shaft coupling is particularly suitable for being used in hybrid power module, and the hybrid power module is located at the power train of motor vehicle In and including electro-motor and separate clutch.In principle, for motor vehicle hybrid power module for example by document WO 2014/026685 20,12/,167,767 10 2,013 215 737 A1 and DE 10 2,012 207 941 of A1, DE of A1, WO Known in A1.
Brief description of the drawings
Below, embodiments of the invention are elaborated with reference to accompanying drawing.Wherein:
Fig. 1 shows the shaft coupling for being arranged for compensating the radial misalignments between axle with exploded view;
Fig. 2 illustrates shaft coupling with section view;
Fig. 3 illustrates shaft coupling with solid;
The system being made up of the component of multiple transmission power and torque of shaft coupling is shown respectively with different views for Figure 4 and 5;
Fig. 6 shows the first outer disk of shaft coupling;
Fig. 7 shows the second inner disk of shaft coupling;
Fig. 8 shows the hybrid power module with shaft coupling.
Specific embodiment
Compensation two is configured in shaft coupling shown in Fig. 1 to 3, being marked with reference 1 on the whole not showing Radial misalignments between the axle for going out, and also referred to as Oldham shaft couplings.Two phases each other are also can compensate for by shaft coupling 1 Dislocation slightly axially between the axle of connection and compensate less angular error.
Shaft coupling 1 includes two disks 2,3, and part of the two disks respectively with axle or other rotation is connected, wherein, these One in part works as driver part, and other part works as slave unit.The common rotation of disk 2,3 Shaft axis are marked with A (Fig. 2).Not usual property limitation ground, below, disk 2 is referred to as drive disk, and disk 3 be referred to as it is driven Disk.
Two disks 2,3 are in common plane and nested with one another, wherein, drive disk 2 represents outer disk, and driven Disk 3 represents inner disk.Outer disk 2 has circular periphery and non-circular inner circumferential, and inner circumferential is substantially matched to inner The profile of disk 3.The profile of the disk 3 is referred to from the rectangular modified profile of basic configuration, wherein, two in rectangle are indulged The extension part of arc-shaped is there are on side, these extension parts are depicted and rotate against the concentric circles of axis A jointly.
Drive disk 2 has multiple fixing holes 4 in its outer region, and these fixing holes be used to be connected in Fig. 1 to 3 Part unshowned, to be driven, that is to say, that for connecting in two axles to be coupled.Institute is different therewith, from The flange 5 with interior teeth portion 6 is there are in the inner circumferential of Moving plate 3, to make clutch plate 3 be connected on driven shaft in anti-relative rotation.From Moving axis for example refers to transmission input shaft.
The radial misalignments for rotating against axis A between disk 2,3 can be by the compensating element, of paired plate-like in a ring 7th, 8 realize, compensating element, surrounds the system being made up of disk 2,3 in both sides.Each compensating element, 7,8 has different types of Opening 9,10, that is, four openings 9 that are elongated, extending in a radial direction and total of eight are equally elongated but along week To the opening 10 that direction extends.Opening 9 is used to by rolling element 11, that is, cylindrical roller carries out power between disk 2,3 is transmitted With the transmission of torque, and be open 10 purpose only be reduce compensating element, 7,8 quality.
The rolling element 11 of compensating element, 7,8 and the system being made up of two disks 2,3 be have passed through by first pair in ring The holding element 12,13 of shape and second pair of holding element 14,15 in a ring are guided.First pair of holding element in a ring 12nd, 13 formed by inner holding element 12 and outer holding element 13.In the corresponding way, second pair of holding in a ring Element 14,15 is formed by inner holding element 14 and outer holding element 15.Wherein each holding element 12,13,14,15 All there is the basic configuration of annular.Two inner holding elements 12,14 are connected to each other by stepped pin 16.With same side Formula, two outer holding elements 14,15 are connected to each other also by stepped pin 16.So that inner holding element 12,14 is each other The stepped pin 16 of connection is arranged in being diametrically opposed to one another on the side put of two holding elements 12,14.Similarly so that outer The stepped pin 16 of holding element 13,15 those being connected to each other is put being diametrically opposed to one another each other.
In embodiment, wherein each rolling element 11 is received slidably supported on stepped pin 16.Stepped pin 16 in side slightly Lean out two holding elements 12,13,14,15.On the inner side of compensating element, 7,8, that is to say, that in dividing for compensating element, 7,8 Other that thrust washer 17 is respectively put between disk 2 and compensating element, 7,8 towards on that side of disk 2, thrust washer is enclosed within rolling On body 11.Therefore, eight thrust washers 17 are there are altogether.
The rolling element 11 guided by holding element 12,13,14,15 and compensating element, 7,8 especially have passed through disk 2,3 In the portion 18,19 of leaving a blank that can be seen in Fig. 5 to 7.Here, outer disk 2 is in its substantially curvedly section of arching Inside there is inwardly unlimited portion 18 of leaving a blank respectively.And inner disk 3 has outwardly open portion 19 of leaving a blank respectively on its narrow side.
Wherein each portion 18,19 of leaving a blank is partly closed by spring element 20, that is, leaf spring, in order to shaft coupling 1 Assembling.Spring element 20 is maintained on disk 2,3 by clamping element 21.Can also single type different from shown embodiment ground Implement spring and clamping element in ground.
Fig. 8 shows loading situation of the shaft coupling 1 in hybrid power module 22, and hybrid power module 22 is configured to use In motor vehicle is encased in and with the bent shaft-driven input shaft 23 by internal combustion engine.Hybrid power module 22 and speed changer Input shaft connection or be that same unshowned output shaft can attach to shaft coupling by interior teeth portion 6 with transmission input shaft On the inner disk 3 of device 1.Electro-motor 24 is there are inside hybrid power module 22 and friction clutch is configured to Separate clutch 25.Shaft coupling 1 is used for the possibility hair between the power train internal compensation input shaft 23 and flange 5 of motor vehicle Raw radial misalignments.
Reference numerals list
1 shaft coupling
2 drive disks, outer disk
3 clutch plates, inner disk
4 fixing holes
5 flanges
6 interior teeth portions
7 compensating element,s
8 compensating element,s
9 openings for extending in a radial direction
10 openings that circumferentially direction extends
11 rolling elements
12 inner holding element in a ring
13 outer holding element in a ring
14 inner holding element in a ring
15 outer holding element in a ring
16 stepped pins
17 thrust washers
Portion of leaving a blank in 18 outer disks
Portion of leaving a blank in 19 inner disks
20 spring elements
21 clamping elements
22 hybrid power modules
23 input shafts
24 electro-motors
25 separate clutch
A rotation axis

Claims (10)

1. a kind of shaft coupling for compensating radial misalignments, the shaft coupling has two disks (2,3), that is, drive disk (2) and Clutch plate (3), the shaft coupling also has that two parallel to each other, wherein each described disk (2,3) can be radially relatively Compensating element, (7,8) offseting, distinguishing plate-like in a ring, wherein, two disks (2,3) are arranged substantially at common putting down In face, the plane is located between two compensating element,s (7,8).
2. shaft coupling according to claim 1, it is characterised in that the cylinder and compensating element, (7,8) and described The rolling element (11) of disk (2,3) contact is supported by two pairs of holding elements (12,13,14,15) in a ring, the rolling element Diameter parallel in the disk (2,3) axis ground extend.
3. shaft coupling according to claim 2, it is characterised in that each pair holding element (12,13,14,15) is by stepped Pin (16) is connected to each other, and the rolling element (11), particularly cylindrical roller are supported on the stepped pin.
4. shaft coupling according to any one of claim 1 to 3, it is characterised in that each compensating element, (7,8) is with four What the individual opening (9) for extending in a radial direction and circumferentially direction that is a number of, being arranged between the opening (9) extended Opening (10).
5. shaft coupling according to any one of claim 1 to 4, it is characterised in that one of disk (3) is with non-circular Shape, and be arranged radially at the inside of other disk (2).
6. shaft coupling according to claim 5, it is characterised in that inner disk (3) is with outwardly open portion of leaving a blank (19), outer disk (2) is with inwardly unlimited portion of leaving a blank (18).
7. shaft coupling according to claim 6, it is characterised in that two leave a blank portion and the common, positions of disk (2,3) Circle in the normal plane of relatively described disk (2,3) intersects.
8. the shaft coupling according to claim 6 or 7, it is characterised in that in the portion of leaving a blank (18,19) each of pass through Spring element (20) is partially closed.
9. shaft coupling according to claim 7, it is characterised in that the spring element (20) is configured to leaf spring, and leads to Cross to be clamped and connected and be connected with the disk (2,3).
10. shaft coupling according to claim 1 motor vehicle with electro-motor (24) and separate clutch (25) Hybrid power module (22) in application.
CN201610826141.8A 2015-09-16 2016-09-14 Coupling device Active CN106838032B (en)

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DE102015217675.4 2015-09-16

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DE102016216704A1 (en) 2017-03-16
CN106838032B (en) 2021-11-05

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