WO2005040643A1 - Differentialkorb mit erhöhter festigkeit - Google Patents
Differentialkorb mit erhöhter festigkeit Download PDFInfo
- Publication number
- WO2005040643A1 WO2005040643A1 PCT/EP2004/011717 EP2004011717W WO2005040643A1 WO 2005040643 A1 WO2005040643 A1 WO 2005040643A1 EP 2004011717 W EP2004011717 W EP 2004011717W WO 2005040643 A1 WO2005040643 A1 WO 2005040643A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- differential
- cage
- flange
- basket according
- cover
- Prior art date
Links
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
- F16H—GEARING
- F16H48/00—Differential gearings
- F16H48/20—Arrangements for suppressing or influencing the differential action, e.g. locking devices
- F16H48/22—Arrangements for suppressing or influencing the differential action, e.g. locking devices using friction clutches or brakes
-
- 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
- F16H48/00—Differential gearings
- F16H48/06—Differential gearings with gears having orbital motion
- F16H48/08—Differential gearings with gears having orbital motion comprising bevel 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
- F16H48/00—Differential gearings
- F16H48/20—Arrangements for suppressing or influencing the differential action, e.g. locking devices
- F16H48/27—Arrangements for suppressing or influencing the differential action, e.g. locking devices using internally-actuatable fluid pressure, e.g. internal pump types
-
- 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
- F16H48/00—Differential gearings
- F16H48/20—Arrangements for suppressing or influencing the differential action, e.g. locking devices
- F16H2048/201—Arrangements for suppressing or influencing the differential action, e.g. locking devices with means directly braking the orbital gears
-
- Y—GENERAL 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
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T74/00—Machine element or mechanism
- Y10T74/21—Elements
- Y10T74/2186—Gear casings
- Y10T74/2188—Axle and torque tubes
Definitions
- the invention relates to a differential cage for a differential gear which can be driven so as to be rotatable about its longitudinal axis A, with sideshaft wheels which are rotatably mounted in the differential cage coaxially with the longitudinal axis A, with differential gears which are in the differential cage on axes of rotation R lying radially to the longitudinal axis A. are mounted and meshed with the side shaft gears, and with a multi-plate clutch arranged coaxially to the longitudinal axis A in the differential cage, which is effectively arranged between a first of the sideshaft gears on the one hand and the differential cage or the second of the sideshaft gears on the other, the differential cage having a flange which a ring gear can be screwed on.
- Differential gears can build up a locking effect via an externally controlled actuation device or vary without external influence depending on the differential speed or depending on the transmitted torque.
- Such a self-locking differential gear is known for example from DE 34 02 917 C1.
- the differential cage comprises a cup-shaped part with a base and a flange and a cover which can be screwed onto the flange.
- the bottom and the ⁇ flange of the cup-shaped part are arranged on different sides with respect to a plane through the axes of rotation of the differential gears. This also applies to the differential gears known from DE 101 03 789 A1 and DE 39 09 112 C2.
- a differential gear with a cup-shaped differential cage is known, with a bottom and a flange of the cup-shaped differential cage lying together on one side with respect to the central plane of the differential gear.
- a cover is provided, which is placed on the differential carrier and fixed with it by means of screws distributed around the circumference.
- the present invention has for its object to provide a solution in which the strength and the concentricity of the differential cage can be improved.
- the differential cage is formed from a cup-shaped part, which comprises a bottom and on which the flange is integrally formed, and a lid inserted into the cup-shaped part, which is axially fixed by an annular securing element, and that Cover and the multi-plate clutch in 30 with respect to a plane through the axes of rotation of the differential gears on the opposite side to the floor and the flange in the differential carrier. It is particularly provided that the flange lies essentially in axial overlap with the bottom of the cup-shaped part.
- an actuating device for actuating the multi-plate clutch is provided, which can be arranged inside or outside the differential cage.
- the differential cage according to the invention has the advantage that the machining of the flange and the bearing point for the differential cage closer to it can be processed in one clamping of the first part, so that concentricity errors for the ring gear are hereby essentially excluded.
- the backlash-free fit between the cover and the first part is further away from the flange on the first part, so that concentricity errors between this fit and the second bearing point for the differential carrier attached to the cover are only slightly transferred to the arrangement of the ring gear.
- the annular securing element is in the form of Nes threaded ring designed, which is screwed into a corresponding internal thread in the cup-shaped part.
- the threaded ring has at least one bore distributed over the circumference, which cuts an outer circumferential surface and into which a securing element, for example a metal ball, is pressed in order to prevent rotation.
- a securing element for example a metal ball
- Any other solutions are also conceivable for securing the threaded ring against rotation, such as welding or caulking.
- the ring-shaped securing element can also be designed in the form of a snap ring which is seated in a corresponding ring groove in the cup-shaped part.
- Figure 1 shows a differential cage according to the invention in a first embodiment
- Figure 2 shows a differential cage according to the invention in a second embodiment
- Figure 3 shows a differential carrier according to the invention in a third embodiment a) in longitudinal section; b) the securing element from Figure 3a) in detail.
- a differential carrier 11 which is rotatably mounted in the housing of a differential gear.
- the storage takes place in particular on two sleeve lugs 12, 13, which are formed coaxially to the longitudinal axis A of the differential carrier.
- the differential cage comprises a pot-like first part 14 with a bottom 22, a jacket 23 and an integrally molded flange 16 and a cover 15 inserted into the first part 14.
- a ring gear for rotating the differential cage can be screwed onto the flange 16.
- the first sleeve extension 12 is connected in one piece to the first part 14 and the second sleeve extension 13 is connected in one piece to the cover 15.
- the cover 15 is held by means of a locking ring 17 in contact against a shoulder in the pot-like part 14.
- the locking ring 17 has an outwardly facing conical surface, so that the cover 15 is installed without play in the first part 14.
- the differential carrier 11 two coaxial to the longitudinal axis A are arranged Output bevel gears 18, 19 and a number of four differential bevel gears, each with an axis of rotation R lying radially to the longitudinal axis A, of which two (20, 21) can be seen in this figure.
- the four differential bevel gears are in meshing engagement with the two output bevel gears 18, 19 and above
- the recognizable differential gears 20, 21 each slide on bearing journals 24, 25, which are inserted into radial bores 30, 31 in the first part 14 and are held radially outward in the latter by means of retaining rings 32, 33. With their inner ends 28, 29 reduced in diameter, the bearing journals 24, 25 are supported directly on one another. Here these pins are laterally supported and held relative to one another by a one-piece second pair of pins 26, 27.
- the differential cage 11 in the embodiment shown here belongs to a lockable differential gear and comprises a multi-plate clutch 41 and a shear pump arrangement 51, as described for example in DE 196 19 891 C2 by the applicant. At the revelation of this
- the assembly is filled with a fluid.
- the multi-plate clutch 41 comprises a multi-plate pack 42 composed of first disks which are connected in a rotationally fixed manner to the first part 14 and second disks which are connected to a clutch hub 43.
- the disk pack 42 is supported on a support disk 44 in the first part 14
- a reservoir 61 formed from an annular space 56, an annular cover 57 and a plate spring 58 can also be seen, which is connected to the pump space 60 of the shear pump 51 via bores (not shown).
- the output bevel gear 18 has an internal toothing 34 into which a first side shaft can be inserted; the output cone
- a differential carrier 11 ' is shown, which is rotatably mounted in the housing of a differential gear. In this case, the storage takes place in particular on two sleeve extensions 12 ', 13' which are formed coaxially to the longitudinal axis A of the differential carrier.
- the differential cage comprises a pot-like first part 14 'with a bottom
- the differential cage in the embodiment shown here belongs to a lockable differential gear and comprises a multi-plate clutch 41 and a ramp disc arrangement 71, as shown in FIG. are described, for example, in DE 101 29 795 A1 by the applicant. Reference is made to the disclosure of this application. Therefore only the essential individual parts are named.
- the multi-plate clutch comprises a multi-plate pack 42 made up of first disks which are connected in a rotationally fixed manner to the first part 14 and second disks which are connected to a clutch hub 43.
- the securing element 48 is designed in the form of a steel ball, which overlaps an imaginary inner circumferential surface of the cup-shaped first part 14 radially outward and thus secures the threaded ring against rotation.
- the threaded ring has a plurality of grooves 49 distributed over the circumference, into which a corresponding tool can engage in order to screw the threaded ring into the cup-shaped first parts 14.
- All three embodiments have in common that the cup-shaped first part 14 with its base 22, the jacket 23 and the flange 16 is made in one piece.
- the flange 16 and the base 22 lie on a common side with respect to a plane through the axes of rotation of the differential gears 20, 21. This results in a particularly high rigidity of the differential cage 11 in the area of the introduction of force via the ring gear (not shown here).
- the multi-plate clutch 41 and the cover 15 are arranged opposite to the flange 16 or base 22 with respect to the plane mentioned.
- the multi-plate clutch 41 is supported axially against the cover 15.
- the fact that the cover 15 is inserted into the cup-shaped first part 14 and is axially fixed by means of the annular securing element 17 results in a relatively short overall length and at the same time good stiffening from the radial inside.
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Retarders (AREA)
Abstract
Description
Claims
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US10/576,840 US7585246B2 (en) | 2003-10-20 | 2004-10-18 | Differential carrier with an increased strength |
CN2004800307669A CN1871462B (zh) | 2003-10-20 | 2004-10-18 | 加强的差速器座架 |
JP2006534719A JP4594318B2 (ja) | 2003-10-20 | 2004-10-18 | 強度が向上されたデファレンシャルキャリヤ |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE10348547.3 | 2003-10-20 | ||
DE10348547A DE10348547B3 (de) | 2003-10-20 | 2003-10-20 | Differentialkorb mit erhöhter Festigkeit |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2005040643A1 true WO2005040643A1 (de) | 2005-05-06 |
Family
ID=34484808
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/EP2004/011717 WO2005040643A1 (de) | 2003-10-20 | 2004-10-18 | Differentialkorb mit erhöhter festigkeit |
Country Status (5)
Country | Link |
---|---|
US (1) | US7585246B2 (de) |
JP (1) | JP4594318B2 (de) |
CN (1) | CN1871462B (de) |
DE (1) | DE10348547B3 (de) |
WO (1) | WO2005040643A1 (de) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2008101719A1 (en) * | 2007-02-24 | 2008-08-28 | Ab Skf | Differential gear unit |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102003499B (zh) * | 2009-08-31 | 2013-11-20 | 鸿富锦精密工业(深圳)有限公司 | 行星齿轮传动机构 |
US10012299B2 (en) | 2015-10-14 | 2018-07-03 | Dana Automotive Systems Group, Llc | Integrated active limited slip differential |
DE102019216016B4 (de) * | 2019-10-17 | 2022-03-17 | Magna powertrain gmbh & co kg | Axialverstellvorrichtung und Aktuierungsanordnung umfassend eine solche Axialverstellvorrichtung |
KR102218661B1 (ko) * | 2019-12-23 | 2021-02-19 | 문형우 | 전동식 지게차량의 싱글 드라이브 액슬 브레이크 |
Citations (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3402917C1 (de) | 1984-01-28 | 1985-02-21 | Daimler-Benz Ag, 7000 Stuttgart | Differentialgetriebe mit einer reibschlüssigen Sperrkupplung, die durch eine von Ausgleichsbewegungen abhängige selbsttätige Steuerkupplung betätigbar ist |
US4893525A (en) * | 1987-03-26 | 1990-01-16 | Magyar Vagon Es Gepgyar | Centralized wet-brake and other improvements for running gears with adjustable wheel track |
DE3909112A1 (de) | 1988-05-05 | 1990-09-27 | Uni Cardan Ag | Ausgleichsgetriebe |
US5031743A (en) * | 1988-01-29 | 1991-07-16 | Toyoda Koki Kabushiki Kaisha | Driving power transmission |
US5556343A (en) * | 1993-12-17 | 1996-09-17 | Gkn Automotive Ag | Method and device for controlling a coupling |
US5690201A (en) * | 1995-02-21 | 1997-11-25 | Gkn Viscodrive Gmbh | Method and device for controlling a coupling |
DE19709523C1 (de) | 1997-03-10 | 1998-04-09 | Gkn Viscodrive Gmbh | Differentialgetriebe |
DE19942044C1 (de) | 1999-09-03 | 2001-06-21 | Gkn Viscodrive Gmbh | Druckerzeugungsvorrichtung in Schernutpumpenbauart |
DE10103789A1 (de) | 2000-01-27 | 2001-09-27 | Gkn Automotive Inc | Drehmomentverteilungsvorrichtung |
DE10129795A1 (de) | 2001-06-20 | 2003-01-16 | Gkn Automotive Gmbh | Axialverstellvorrichtung mit Abfederung im Rücklauf |
DE10253384A1 (de) | 2001-11-16 | 2003-05-28 | Dana Corp Toledo | Differentialgetriebe |
DE10252974A1 (de) | 2001-12-21 | 2003-07-03 | Gkn Automotive Inc | Einrückmechanismus mit zweistufigem Rampenwinkel |
Family Cites Families (15)
Publication number | Priority date | Publication date | Assignee | Title |
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DE2162969C3 (de) * | 1971-12-18 | 1975-11-06 | Zahnradfabrik Friedrichshafen Ag, 7990 Friedrichshafen | Selbstsperrendes Kegelräderausgleichsgetriebe |
JPS5171530U (de) * | 1974-12-02 | 1976-06-05 | ||
US4445400A (en) * | 1981-09-28 | 1984-05-01 | Rockwell International Corporation | Differential speed limiting device |
JPS614059U (ja) * | 1984-06-15 | 1986-01-11 | トヨタ自動車株式会社 | 差動制限形式のディファレンシャル装置 |
JPS6232828U (de) * | 1985-08-16 | 1987-02-26 | ||
SE460551B (sv) * | 1987-06-25 | 1989-10-23 | Sigvard Johansson | Anordning foer att motverka relativ rotationsroerelse mellan tvaa roterbara axlar |
JPH0488751U (de) * | 1991-07-01 | 1992-07-31 | ||
US5611746A (en) * | 1995-06-28 | 1997-03-18 | Asha Corporation | Vehicle drivetrain coupling |
DE19619891C2 (de) | 1996-05-17 | 2001-07-26 | Gkn Viscodrive Gmbh | Vorrichtung zur Steuerung einer Kupplung |
JP2000120842A (ja) * | 1998-10-09 | 2000-04-28 | Tochigi Fuji Ind Co Ltd | デファレンシャル装置 |
JP2000297861A (ja) * | 1999-04-14 | 2000-10-24 | Tochigi Fuji Ind Co Ltd | ディファレンシャル装置 |
JP4418076B2 (ja) * | 2000-03-02 | 2010-02-17 | Gkn ドライブライン トルクテクノロジー株式会社 | トランスファ装置 |
US6478708B2 (en) * | 2000-12-19 | 2002-11-12 | Spicer Technology Inc. | Electrically controllable biasing differential |
FR2830918B1 (fr) * | 2001-10-12 | 2004-02-06 | Mecaniques Et Ind Speciales S | Corps de differentiel, differentiel comportant ce corps et procede d'assemblage de ce differentiel |
US6805653B2 (en) * | 2002-08-02 | 2004-10-19 | Visteon Global Technologies, Inc. | Selectively controlled limited slip differential |
-
2003
- 2003-10-20 DE DE10348547A patent/DE10348547B3/de not_active Expired - Lifetime
-
2004
- 2004-10-18 CN CN2004800307669A patent/CN1871462B/zh active Active
- 2004-10-18 US US10/576,840 patent/US7585246B2/en active Active
- 2004-10-18 WO PCT/EP2004/011717 patent/WO2005040643A1/de active Application Filing
- 2004-10-18 JP JP2006534719A patent/JP4594318B2/ja active Active
Patent Citations (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3402917C1 (de) | 1984-01-28 | 1985-02-21 | Daimler-Benz Ag, 7000 Stuttgart | Differentialgetriebe mit einer reibschlüssigen Sperrkupplung, die durch eine von Ausgleichsbewegungen abhängige selbsttätige Steuerkupplung betätigbar ist |
US4893525A (en) * | 1987-03-26 | 1990-01-16 | Magyar Vagon Es Gepgyar | Centralized wet-brake and other improvements for running gears with adjustable wheel track |
US5031743A (en) * | 1988-01-29 | 1991-07-16 | Toyoda Koki Kabushiki Kaisha | Driving power transmission |
DE3909112A1 (de) | 1988-05-05 | 1990-09-27 | Uni Cardan Ag | Ausgleichsgetriebe |
US5556343A (en) * | 1993-12-17 | 1996-09-17 | Gkn Automotive Ag | Method and device for controlling a coupling |
US5690201A (en) * | 1995-02-21 | 1997-11-25 | Gkn Viscodrive Gmbh | Method and device for controlling a coupling |
DE19709523C1 (de) | 1997-03-10 | 1998-04-09 | Gkn Viscodrive Gmbh | Differentialgetriebe |
DE19942044C1 (de) | 1999-09-03 | 2001-06-21 | Gkn Viscodrive Gmbh | Druckerzeugungsvorrichtung in Schernutpumpenbauart |
DE10103789A1 (de) | 2000-01-27 | 2001-09-27 | Gkn Automotive Inc | Drehmomentverteilungsvorrichtung |
DE10129795A1 (de) | 2001-06-20 | 2003-01-16 | Gkn Automotive Gmbh | Axialverstellvorrichtung mit Abfederung im Rücklauf |
DE10253384A1 (de) | 2001-11-16 | 2003-05-28 | Dana Corp Toledo | Differentialgetriebe |
DE10252974A1 (de) | 2001-12-21 | 2003-07-03 | Gkn Automotive Inc | Einrückmechanismus mit zweistufigem Rampenwinkel |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2008101719A1 (en) * | 2007-02-24 | 2008-08-28 | Ab Skf | Differential gear unit |
Also Published As
Publication number | Publication date |
---|---|
US20070167271A1 (en) | 2007-07-19 |
CN1871462B (zh) | 2010-05-26 |
JP2007509289A (ja) | 2007-04-12 |
CN1871462A (zh) | 2006-11-29 |
US7585246B2 (en) | 2009-09-08 |
DE10348547B3 (de) | 2005-08-11 |
JP4594318B2 (ja) | 2010-12-08 |
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