EP4028679A1 - Verstellvorrichtung zum verstellen einer verstellwelle - Google Patents
Verstellvorrichtung zum verstellen einer verstellwelleInfo
- Publication number
- EP4028679A1 EP4028679A1 EP20771261.3A EP20771261A EP4028679A1 EP 4028679 A1 EP4028679 A1 EP 4028679A1 EP 20771261 A EP20771261 A EP 20771261A EP 4028679 A1 EP4028679 A1 EP 4028679A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- adjusting
- ring
- shaft
- adjusting device
- teeth
- 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.)
- Pending
Links
- 230000005540 biological transmission Effects 0.000 claims abstract description 28
- 230000003213 activating effect Effects 0.000 claims description 3
- 238000011161 development Methods 0.000 description 2
- 230000018109 developmental process Effects 0.000 description 2
- 238000004891 communication Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000004137 mechanical activation Methods 0.000 description 1
- 238000013519 translation Methods 0.000 description 1
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
- F16H49/00—Other gearings
- F16H49/001—Wave gearings, e.g. harmonic drive transmissions
-
- 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
- F16H57/00—General details of gearing
- F16H57/08—General details of gearing of gearings with members having orbital motion
Definitions
- the present invention relates to an adjusting device for adjusting an adjusting shaft according to the type defined in more detail in the preamble of claim 1. Furthermore, the invention relates to several possible uses of the adjusting device and a vehicle gear with the adjusting device.
- the adjusting device usually comprises an electric drive or an electric motor which is coupled to an adjusting shaft to be driven via a transmission gear.
- a multi-stage transmission can be used as a transmission gear.
- a cycloid gear or a planetary gear can also be used as a transmission gear.
- the present invention is based on the object of proposing an adjusting device, a use of the adjusting device and a vehicle transmission with the adjusting device, in which a high degree of efficiency and the smallest possible space requirement are realized.
- an adjusting device for adjusting an adjusting shaft with an electric drive in which the electric drive is coupled to the adjusting shaft via a transmission gear.
- a sliding wedge gear or a tension wave gear is provided as the transmission gear.
- the sliding wedge gear includes an elastic, deformable sleeve as a transmission element between an elliptical wave generator and an adjusting ring mounted on the adjusting shaft side, the sliding wedge gear being characterized by high gear ratio and high rigidity. For example, reduction ratios with high positional accuracy and low maintenance costs can be achieved.
- a possible embodiment of the invention provides that a drive shaft of the electric drive is connected to the elliptical wave generator of the sliding wedge gear, the elliptical wave generator being in operative connection with the deformable sleeve in sections such that an external toothing of the deformable sleeve or flexible sleeve with a Internal toothing of a ring fixed to the housing and with internal toothing of the adjusting ring in sections in engagement, the adjusting ring being connected to the adjusting shaft to be driven.
- the elliptical disk driven by the electric drive or the drive shaft as a wave generator slides or rolls inside the deformable sleeve and deforms it when rotating.
- sliding wedge gears In contrast to other transmission gears, sliding wedge gears have the advantages of noise reduction and freedom from backlash. Furthermore, the use of the sliding wedge gear results in a self-locking in the proposed Verstellvorrich device and a small number of components and thus a low installation effort is realized.
- the coaxial arrangement of the electric drive and the adjusting shaft as well as the other components of the sliding wedge gear results in a particularly space-saving or compact arrangement, with the adjusting shaft being arranged axially behind the drive shaft of the electric drive.
- the adjustment device can be used as an actuator, for example for the mechanical activation of gear stages in a vehicle drive train in a vehicle transmission or as an actuator for mechanically locking and unlocking a parking lock of the vehicle transmission or as an actuator for actuating a clutch mechanism of a transmission.
- an actuating shaft is used as the adjusting shaft are provided for activating gear steps and / or for actuating the parking lock of the vehicle gearbox and / or for actuating a clutch mechanism of a transmission.
- axle drives in robots for drives in flight simulators, for tracking antennas, for dynamic steering of a motor vehicle or for drives in printing machines. Accordingly, the aforementioned uses are also claimed in a further aspect of the present invention.
- a next aspect of the present invention is to claim a vehicle transmission with the adjustment device described above.
- FIG. 1 shows a schematic, sectional view of a possible variant embodiment of an adjusting device for adjusting an adjusting shaft
- FIG. 2 shows a partial section along the section line A-A according to FIG. 1;
- FIG. 3 shows a partial section along the section line B-B according to FIG. 1;
- FIG. 4 shows a sectional view through the adjusting device along the cutting line
- FIG. 5 shows a sectional view through the adjusting device along the cutting line
- the adjustment device comprises an electric drive or an electric motor 2, which is arranged in a housing 9.
- the electric drive 2 is coupled to the adjusting shaft 1 via a sliding wedge gear as a translation gear.
- a drive shaft 3 of the electric drive 2 is elliptical, disk-shaped or cup-shaped Wave generator 4 of the sliding wedge gear connected.
- the elliptical wave generator 4 is operatively connected in sections to a deformable sleeve 5 of the sliding wedge gear such that the sleeve 5 is deformed by the wave generator 4 in such a way that an external toothing of the deformable sleeve 5 has an internal toothing of a ring 6 fixed to the housing and an internal toothing of an adjusting ring 7 is in engagement in sections due to the deformation, the adjusting ring 7 being connected to the adjusting shaft 1 to be driven.
- the axial tooth width of the external toothing of the deformable sleeve 5 is selected such that the external toothing of the deformable sleeve axially overlaps both with the internal teeth of the ring 6 fixed to the housing and with the internal teeth of the adjusting ring 7.
- the number of teeth of the external toothing of the deformable sleeve 5 is less than the number of teeth of the internal toothing of the ring 6 fixed to the housing and of the adjusting ring 7 Ver adjusting device can be realized.
- the adjusting shaft 1 and the drive shaft 3 are assigned to a common axis of rotation 8 and are thus arranged coaxially to one another and because the adjusting shaft 1 and the drive shaft 3 are arranged axially one behind the other, an arrangement that is economical in terms of space is realized.
- the ring 6 fixed to the housing is arranged coaxially to the drive shaft 3 of the electric drive 2 and is connected to a cover 10 of the housing 9.
- the adjusting ring 7 is arranged coaxially with the adjusting shaft 1, so that, overall, a particularly compact design is implemented in the proposed adjusting device.
- the illustrated adjusting shaft 1 is provided as Actuate transmission shaft for activating gear steps and / or for actuating a parking lock of the vehicle transmission and / or for actuating a clutch mechanism of the transmission.
- the structure of the sliding wedge gear in the adjusting device is illustrated by the partial sections according to FIGS. 2 and 3. In particular, the engagement of the elliptically shaped sleeve 5 with both the internal teeth of the ring 6 fixed to the housing and the teeth in the adjusting ring 7 is shown.
- the deformable sleeve 5 has a number of teeth of, for example, 180 teeth
- the ring 6 fixed to the housing has a number of teeth of, for example, 202
- the adjusting ring 7 has a number of teeth of 200.
- z. B. a ratio of 200: 2 100.
- this information is only to be seen as an example.
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Retarders (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102019213864.0A DE102019213864A1 (de) | 2019-09-11 | 2019-09-11 | Verstellvorrichtung zum Verstellen einer Verstellwelle |
PCT/EP2020/075148 WO2021048169A1 (de) | 2019-09-11 | 2020-09-09 | Verstellvorrichtung zum verstellen einer verstellwelle |
Publications (1)
Publication Number | Publication Date |
---|---|
EP4028679A1 true EP4028679A1 (de) | 2022-07-20 |
Family
ID=72470361
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP20771261.3A Pending EP4028679A1 (de) | 2019-09-11 | 2020-09-09 | Verstellvorrichtung zum verstellen einer verstellwelle |
Country Status (4)
Country | Link |
---|---|
EP (1) | EP4028679A1 (de) |
CN (1) | CN114514390A (de) |
DE (1) | DE102019213864A1 (de) |
WO (1) | WO2021048169A1 (de) |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE10026038C2 (de) * | 2000-05-25 | 2002-04-25 | Oechsler Ag | Wellgetriebe mit Axialabtrieb |
DE102008053915B4 (de) * | 2008-10-30 | 2013-05-16 | Ovalo Gmbh | Spannungswellengetriebe und Vorrichtung zum Überlagern von Bewegungen |
JPWO2015001974A1 (ja) * | 2013-07-01 | 2017-02-23 | 株式会社ハーモニック・ドライブ・システムズ | 波動歯車装置 |
DE102015103132A1 (de) * | 2015-03-04 | 2016-09-08 | Ovalo Gmbh | Nockenwellenversteller |
DE102016223474B3 (de) * | 2016-11-25 | 2018-03-08 | Schaeffler Technologies AG & Co. KG | Verstellgetriebevorrichtung für eine Welle sowie Fahrzeug mit der Verstellgetriebevorrichtung |
CN207921240U (zh) * | 2017-12-29 | 2018-09-28 | 盐城市金洲机械制造有限公司 | 组合式谐波减速电机一体机 |
CN109185423A (zh) * | 2018-10-30 | 2019-01-11 | 高克 | 谐波减速总成及波发生器 |
-
2019
- 2019-09-11 DE DE102019213864.0A patent/DE102019213864A1/de active Pending
-
2020
- 2020-09-09 EP EP20771261.3A patent/EP4028679A1/de active Pending
- 2020-09-09 CN CN202080063081.3A patent/CN114514390A/zh active Pending
- 2020-09-09 WO PCT/EP2020/075148 patent/WO2021048169A1/de unknown
Also Published As
Publication number | Publication date |
---|---|
CN114514390A (zh) | 2022-05-17 |
DE102019213864A1 (de) | 2021-03-11 |
WO2021048169A1 (de) | 2021-03-18 |
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Legal Events
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