CN104553767B - Vehicle drive unit - Google Patents

Vehicle drive unit Download PDF

Info

Publication number
CN104553767B
CN104553767B CN201410674080.9A CN201410674080A CN104553767B CN 104553767 B CN104553767 B CN 104553767B CN 201410674080 A CN201410674080 A CN 201410674080A CN 104553767 B CN104553767 B CN 104553767B
Authority
CN
China
Prior art keywords
gear
planetary
sun gear
relative rotation
differential mechanism
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.)
Expired - Fee Related
Application number
CN201410674080.9A
Other languages
Chinese (zh)
Other versions
CN104553767A (en
Inventor
J·穆勒
J·利博尔德
J·泽瓦特
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.)
Automobile Traffic Engineering Co Ltd
Original Assignee
Automobile Traffic Engineering Co Ltd
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 Automobile Traffic Engineering Co Ltd filed Critical Automobile Traffic Engineering Co Ltd
Publication of CN104553767A publication Critical patent/CN104553767A/en
Application granted granted Critical
Publication of CN104553767B publication Critical patent/CN104553767B/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

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
    • B60K1/00—Arrangement or mounting of electrical propulsion units
    • 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
    • F16H—GEARING
    • F16H3/00—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion
    • F16H3/44—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion using gears having orbital motion
    • F16H3/62—Gearings having three or more central gears
    • F16H3/66—Gearings having three or more central gears composed of a number of gear trains without drive passing from one train to another
    • F16H3/663—Gearings having three or more central gears composed of a number of gear trains without drive passing from one train to another with conveying rotary motion between axially spaced orbital gears, e.g. RAVIGNEAUX
    • 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
    • B60K1/00—Arrangement or mounting of electrical propulsion units
    • B60K2001/001—Arrangement or mounting of electrical propulsion units one motor mounted on a propulsion axle for rotating right and left wheels of this axle
    • 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
    • F16H—GEARING
    • F16H2200/00—Transmissions for multiple ratios
    • F16H2200/0021—Transmissions for multiple ratios specially adapted for electric vehicles
    • 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
    • F16H—GEARING
    • F16H2200/00—Transmissions for multiple ratios
    • F16H2200/003—Transmissions for multiple ratios characterised by the number of forward speeds
    • F16H2200/0039—Transmissions for multiple ratios characterised by the number of forward speeds the gear ratios comprising three forward speeds
    • 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
    • F16H—GEARING
    • F16H2200/00—Transmissions for multiple ratios
    • F16H2200/20—Transmissions using gears with orbital motion
    • F16H2200/2002—Transmissions using gears with orbital motion characterised by the number of sets of orbital gears
    • F16H2200/2005—Transmissions using gears with orbital motion characterised by the number of sets of orbital gears with one sets of orbital gears
    • 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
    • F16H—GEARING
    • F16H2200/00—Transmissions for multiple ratios
    • F16H2200/20—Transmissions using gears with orbital motion
    • F16H2200/202—Transmissions using gears with orbital motion characterised by the type of Ravigneaux set
    • F16H2200/2023—Transmissions using gears with orbital motion characterised by the type of Ravigneaux set using a Ravigneaux set with 4 connections
    • 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
    • F16H—GEARING
    • F16H2200/00—Transmissions for multiple ratios
    • F16H2200/20—Transmissions using gears with orbital motion
    • F16H2200/203—Transmissions using gears with orbital motion characterised by the engaging friction means not of the freewheel type, e.g. friction clutches or brakes
    • F16H2200/2038—Transmissions using gears with orbital motion characterised by the engaging friction means not of the freewheel type, e.g. friction clutches or brakes with three engaging means

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Transportation (AREA)
  • Hybrid Electric Vehicles (AREA)
  • Retarders (AREA)
  • Structure Of Transmissions (AREA)

Abstract

A kind of vehicle drive unit, it includes motor, differential mechanism and the four axle planetary transmissions for being reduced into drawing Wella formula planetary gearsets in a common housing, the four axles planetary transmission includes first, second sun gear and gear ring, first sun gear is engaged with the first planetary gear and is connected without relative rotation with motor, second sun gear is engaged with the second planetary gear and can be connected without relative rotation with housing by the first brake, and gear ring can be connected without relative rotation by second brake with housing.First and second planetary gears are engaged with each other and are disposed on common pinion frame, drawn from four axle planetary transmissions its center between the first sun gear and the second sun gear, for being connected without relative rotation with differential mechanism, at least two axles of the four axles planetary transmission can be connected to each other by clutch, motor is arranged to concentric with differential mechanism so that motor spatially surrounds the differential mechanism.

Description

Vehicle drive unit
Technical field
The present invention relates to a kind of vehicle drive unit.
Background technology
Known vehicle drive device, it is included in motor, Planetary Gear Transmission dress in a common transmission case body Put and differential mechanism.Described device is compatible with an axletree, and another axletree is for example equipped with internal combustion engine.Therefore for-wheel vehicle can be independent Ground drives jointly by an axle driving or by two axles respectively.
Patent document DE102004026039A1 discloses a kind of car with motor, planetary transmission and differential mechanism Drive shaft.The motor can be by means of being in the clutch and differential mechanism structure that work is connected with planetary transmission Into drive connection.Planetary transmission has the sun gear being connected with motor driving shaft of input side, gear ring and by radially Arrangement between them, the planetary gear that is positioned on pinion frame and is engaged with sun gear and gear ring internal tooth, wherein Pinion frame is coupled with differential mechanism, and the gear ring can be fixed or released relative to the component that housing is fixed by clutch. When gear ring is fixed relative to the component fixed with housing, the driving of differential mechanism and vehicle is realized, wherein passing through reduction gearing Transmission device reduces the rotating speed of motor.If gear ring releases, the drive shaft of the rotation of motor makes gear ring start to rotate, and differential mechanism It is not driven, therefore vehicle is also not driven.Therefore the driving for vehicle only has gear stage for using.
Patent document DE102005001715B4 discloses the control system of motor vehicle driven by mixed power, wherein, internal combustion engine and first Motor generator and it is connected with driven shaft by power distributing mechanism.The power distributing mechanism has the second electricity herein Motivation-generator, it is connected with driven shaft by the transmission device with drawing Wella formula planetary gearsets.Here, sun gear with Second motor generator connects, tooth rest and driven axis connection.It can make another sun gear and tooth by two brakes Circle is braked relative to housing.
Patent document DE102010004228A1 discloses a kind of vehicle drive unit, its in a housing include motor, Differential mechanism and planetary transmission.Sun gear is connected with motor connection, pinion frame with differential mechanism herein.To provide two Individual different gear stage, gear ring can be connected by first clutch with housing, or pinion frame can by second clutch with Gear ring connects, wherein each gear stage can be connected in the case where not interrupting tractive force.The arranged concentric of differential mechanism and motor is Particularly advantageous embodiment.
Patent document DE102010050709A1 discloses a kind of vehicle drive unit, its in a housing include motor, Differential mechanism and the planetary transmission for being reduced into drawing Wella formula planetary gearsets.First sun gear and motor connection, Gear ring is connected with differential mechanism.To provide two different gear stages, second sun gear can be connected by the first brake and housing Connect, pinion frame can be connected by second brake with housing.
The content of the invention
Task of the present invention is to provide a kind of improved vehicle drive unit, and its structure space demand further reduces.
The task is addressed by the vehicle drive unit of the present invention, and it includes electricity in a common housing Machine, differential mechanism and the four axle planetary transmissions for being reduced into drawing Wella formula planetary gearsets, the four axles Planetary Gear Transmission Device includes the first sun gear, the second sun gear and gear ring, the first sun gear engaged with the first planetary gear and with motor without Connect in relative rotation, the second sun gear is engaged with the second planetary gear and can turned by the first brake and housing without relative Connect dynamicly, gear ring is engaged with the first planetary gear and can be connected without relative rotation with housing by second brake, institute State the first planetary gear and the second planetary gear is engaged with each other and is disposed on a common pinion frame, the planet Tooth rest is connected without relative rotation with differential mechanism, during the pinion frame is between the first sun gear and the second sun gear Heart position is drawn from four axle planetary transmissions, for being connected without relative rotation with differential mechanism, and four axle planets At least two axles of gear drive can be connected without relative rotation each other by clutch, the motor be arranged to it is poor Fast device is concentric so that the motor spatially surrounds the differential mechanism.
The present invention provides a kind of particularly advantageous vehicle drive unit.By the present invention, described device is in a common shell Include motor, differential mechanism and four axle planetary transmissions in vivo, in advantageous embodiment, the four axles planetary gear passes Dynamic device is reduced into drawing Wella formula planetary gearsets.
The four axles planetary transmission includes the first sun gear, the second sun gear and gear ring, the first sun gear with First planetary gear engages, and the second sun gear engages with the second planetary gear, and gear ring engages with the first planetary gear.Described first Planetary gear and the second planetary gear are engaged with each other and are disposed on a common pinion frame.
First sun gear is connected without relative rotation with motor, and pinion frame and differential mechanism are without relative rotation Ground connects, for transmitting moment of torsion.Second sun gear can be connected without relative rotation by the first brake with housing, and The gear ring can be connected without relative rotation by second brake with housing, for supporting moment of torsion.
By it is advantageous in the present invention that the four axles planetary transmission can be blocked by means of clutch, so All axles of the four axles planetary transmission are fixed to each other.Herein by means of clutch, the four axles planetary gear At least two axles of transmission device are connected to each other without relative rotation.Therefore the pinion frame relative to the first sun gear, Second sun gear and gear ring can not rotate against, wherein carrying out different positioning for clutch.The one of the present invention In kind Advantageous embodiments, the pinion frame can be connected without relative rotation by clutch with the second sun gear.One That kind replaces presses in advantageous embodiment of the present invention, and the gear ring can be by clutch and the first sun gear without relative rotation Connection.In the advantageous embodiment by the present invention of another replacement, the gear ring can pass through clutch and second sun Wheel is connected without relative rotation, or the first sun gear is connected without relative rotation with pinion frame.
By it is advantageous in the present invention that in radial directions, between first sun gear and the second sun gear, the row Gear rack is drawn from four axle planetary transmissions and is connected without relative rotation with differential mechanism.Such first sun Wheel, pinion frame and the second sun gear are arranged with succeeding one another particularly advantageously, in the axial direction.By means of this saving structure The arrangement in space, structure space demand further reduce.By it is advantageous in the present invention that passing through axial arranged motor and differential Device further reduces structure space demand, wherein, the motor spatially surrounds the differential mechanism.Therefore continue advantageously same The heart arranges the first sun gear and pinion frame, wherein, pinion frame and differential are connected inside the first sun gear with one heart Device.By it is advantageous in the present invention that further reducing structure space demand by the brake of arranged concentric first and clutch, so First brake spatially surrounds clutch.By it is advantageous in the present invention that by means of the first brake, second brake There is provided with clutch and be used for three different gear stages for transmitting moment of torsion in described device operation process.
For the first gear stage, second brake closure, it form the gear ring and housing without relative rotation Connection, wherein first brake and clutch remain off.Pass through the first planet tooth from the first sun gear herein Wheel and the second planetary gear transmit moment of torsion to pinion frame, and moment of torsion is supported by gear ring and the second brake of closure.
For the first gear stage, first arrester close, it forms the second sun gear and turned with housing without relative Dynamic connection, wherein the second brake and clutch remain off.Pass through the first planet from the first sun gear herein Gear and the second planetary gear transmit moment of torsion to pinion frame, pass through the second sun gear and the first brake branch bearing torque of closure Square.
For the 3rd gear stage, the clutch closure, it forms at least two of four axle planetary transmissions The connection without relative rotation between axle, wherein first brake and second brake remain off.Herein from One sun gear directly transmits moment of torsion to pinion frame, because the four axles planetary transmission passes through without relative rotation Connect and fixed, thus the first sun gear and pinion frame are rotated with same rotational speed.
If off the first brake, second brake and clutch, moment of torsion cannot be transmitted because the first sun gear and Pinion frame can rotate independently of one another.So described motor can for example take off with the differential mechanism in the secure state Coupling.
If close the first brake and clutch, the differential mechanism can be relative by pinion frame in an advantageous manner Fixed in housing.Described device is constructed in a manner of modular construction in addition, can so be produced in terms of available transmission number of stages Raw simple flexible program.
Brief description of the drawings
The embodiment of the vehicle drive unit of the present invention is exemplarily illustrated herein.Accompanying drawing is as follows：
Fig. 1：The general illustration of first embodiment,
Fig. 2：The detailed schematic of first embodiment,
Fig. 3：The general illustration of second embodiment,
Fig. 4：The detailed schematic of second embodiment.
Embodiment
Vehicle drive unit shown in Fig. 1 and Fig. 2 is included in motor 2, differential mechanism 3 and reduction in a common housing 1 Into the four axle planetary transmissions 4 for drawing Wella formula planetary gearsets.The four axles planetary transmission 4 includes first Sun gear 5, the second sun gear 7 and gear ring 10, the first sun gear are engaged with the first planetary gear 6 and turned with motor 2 without relative Connect dynamicly, the second sun gear 7 engaged with the second planetary gear 8 and can by the first brake 9 with housing 1 without relative rotation Connection, gear ring 10 are engaged with the first planetary gear 6 and can be connected without relative rotation with housing 1 by second brake 11.Institute State the first planetary gear 6 and the second planetary gear 8 is engaged and is disposed on common pinion frame 12, the planetary gear Frame is connected without relative rotation with differential mechanism 3.In addition, the pinion frame 12 can pass through the sun gear 7 of clutch 13 and second Connect without relative rotation.Center of the pinion frame between the first sun gear 5 and the second sun gear 7 is from four axles Draw in planetary transmission 4, and be connected without relative rotation with differential mechanism 3.
In addition, the motor 2 be arranged to it is concentric with the differential mechanism 3, described in so described motor 2 spatially surrounds Differential mechanism 3.In addition, the second brake 11 is arranged to concentric with clutch 13, so described second brake 11 is in sky Between upper surround clutch 13.
Fig. 3 and Fig. 4 is exemplarily illustrated the embodiment of the replacement of the vehicle drive unit of the present invention.
Vehicle drive unit shown in Fig. 3 and Fig. 4 includes motor 2, differential mechanism 3 and is reduced into a common housing 1 Draw four axle planetary transmissions 4 of Wella formula planetary gearsets.The four axles planetary transmission 4 includes first too Sun the 5, second sun gear 7 of wheel and gear ring 10, the first sun gear engage with the first planetary gear 6 and with motor 2 without relative rotation Ground is connected, and the second sun gear 7 is engaged with the second planetary gear 8 and can connected without relative rotation with housing 1 by the first brake 9 Connect, gear ring 10 is engaged with the first planetary gear 6 and can be connected without relative rotation with housing 1 by second brake 11.It is described First planetary gear 6 and the second planetary gear 8 are engaged and are disposed on common pinion frame 12, the pinion frame It is connected without relative rotation with differential mechanism 3.In addition, the gear ring 10 can be turned by the sun gear 5 of clutch 13 and first without relative Connect dynamicly.Center of the pinion frame between the first sun gear 5 and the second sun gear 7 is from four axle planetary gears Draw in transmission device 4, and be connected without relative rotation with differential mechanism 3.
In addition, the motor 2 be arranged to it is concentric with the differential mechanism 3, described in so described motor 2 spatially surrounds Differential mechanism 3.In addition, the second brake 11 is arranged to concentric with clutch 13, so described second brake 11 is in sky Between upper surround clutch 13.
Reference numerals list
1 housing
2 motors
3 differential mechanisms
4 four axle planetary transmissions
5 first sun gears
6 first planetary gears
7 second sun gears
8 second planetary gears
9 first brakes
10 gear rings
11 second brakes
12 pinion frames
13 clutches

Claims (4)

1. vehicle drive unit, it includes motor (2), differential mechanism (3) in a common housing (1) and is reduced into La Weina Four axle planetary transmissions (4) of formula planetary gearsets, the four axles planetary transmission (4) include the first sun gear (5), the second sun gear (7) and gear ring (10), the first sun gear (5) engaged with the first planetary gear (6) and with motor (2) nothing Connect in relative rotation, the second sun gear (7) engages with the second planetary gear (8) and can be by the first brake (9) and shell Body (1) connects without relative rotation, it is characterised in that gear ring (10) engages with the first planetary gear (6) and can be by second Brake (11) is connected without relative rotation with housing (1), and first planetary gear (6) and the second planetary gear (8) are each other Engage and be disposed on a common pinion frame (12), the pinion frame is with differential mechanism (3) without relative rotation Ground connects, and center of the pinion frame (12) between the first sun gear (5) and the second sun gear (7) is from four axle rows Drawn in star gear drive (4), for being connected without relative rotation with differential mechanism (3), and four axle Planetary Gear Transmissions At least two axles of device can be connected without relative rotation each other by clutch (13), the motor (2) be arranged to it is poor Fast device (3) is concentric so that the motor (2) spatially surrounds the differential mechanism (3).
2. vehicle drive unit as claimed in claim 1, it is characterised in that the pinion frame (12) can by it is described from Clutch (13) is connected without relative rotation with the second sun gear (7).
3. vehicle drive unit as claimed in claim 1, it is characterised in that the gear ring (10) can pass through the clutch (13) it is connected without relative rotation with the first sun gear (5).
4. vehicle drive unit as claimed any one in claims 1 to 3, it is characterised in that the first brake (9) quilt It is arranged as concentric with the clutch (13) so that first brake (9) spatially surrounds the clutch (13).
CN201410674080.9A 2013-09-27 2014-09-26 Vehicle drive unit Expired - Fee Related CN104553767B (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102013016441.9 2013-09-27
DE102013016441.9A DE102013016441B4 (en) 2013-09-27 2013-09-27 Device for driving a vehicle

Publications (2)

Publication Number Publication Date
CN104553767A CN104553767A (en) 2015-04-29
CN104553767B true CN104553767B (en) 2018-04-03

Family

ID=52672847

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201410674080.9A Expired - Fee Related CN104553767B (en) 2013-09-27 2014-09-26 Vehicle drive unit

Country Status (2)

Country Link
CN (1) CN104553767B (en)
DE (1) DE102013016441B4 (en)

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DE102013016441A1 (en) 2015-04-02
DE102013016441B4 (en) 2018-02-01
CN104553767A (en) 2015-04-29

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