WO2017067776A1 - Ölleitschale und damit ausgestattetes getriebe - Google Patents
Ölleitschale und damit ausgestattetes getriebe Download PDFInfo
- Publication number
- WO2017067776A1 WO2017067776A1 PCT/EP2016/073600 EP2016073600W WO2017067776A1 WO 2017067776 A1 WO2017067776 A1 WO 2017067776A1 EP 2016073600 W EP2016073600 W EP 2016073600W WO 2017067776 A1 WO2017067776 A1 WO 2017067776A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- oil
- olleitschale
- section
- transmission
- rotating
- 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
- F16H57/00—General details of gearing
- F16H57/04—Features relating to lubrication or cooling or heating
- F16H57/042—Guidance of lubricant
- F16H57/0421—Guidance of lubricant on or within the casing, e.g. shields or baffles for collecting lubricant, tubes, pipes, grooves, channels or the like
- F16H57/0423—Lubricant guiding means mounted or supported on the casing, e.g. shields or baffles for collecting lubricant, tubes or pipes
Definitions
- the invention relates to a ⁇ lleitschale according to the preamble of claim 1 and a transmission with a corresponding ⁇ lleitschale.
- Oil guide shells of various constellations are known from the prior art. Such guide shells are used to store lubricant at points where it can not or should not be provided from the lubricant sump itself. This lubricant and coolant is provided at critical points without having to accept avoidable losses due to excessive immersion and Pantschen of rotating components in the lubricant sump. As a lubricant in particular oil comes into consideration. Of particular importance is the supply of those parts of the rotating components where adequate lubrication and cooling is of crucial importance. These are, for example, the areas of tooth engagement with meshing gears of a translation stage.
- ⁇ lleitschalen are more or less horizontally formed on their surface facing the rotating components, so that the spun lubricant almost vertically flies up and then either back on the inner wall of the housing back into the lubricant sump or little lubricant at the desired location for lubrication and Cooling arrives.
- a device for lubricating a gear pairing above the oil sump in a transmission with splash lubrication, wherein the centrifugal oil immersed in the oil sump Gear is directed to a gear pairing above the oil sump, wherein the device comprises a deflection device for the centrifugal oil, which is arranged below the dipping into the oil sump gear and through which the sling oil is directed to an adjacent gear pairing above the oil sump.
- DE 10 2015 215 788 A1 discloses an oil guide shell for a transmission with a surface region which extends in the direction of at least one component of the transmission rotating in the oil guide shell.
- the surface region forms at least one section in which the at least one rotating component of the transmission is provided, wherein the at least one section has edges which delimit a part of the surface region assigned to the at least one rotating component.
- the present invention has for its object to provide a ⁇ lleitschale for a transmission and a gear equipped therewith, eliminate the existing shortcomings.
- the object is achieved by a ⁇ lleitschale with the features of claim 1 and a transmission with a ⁇ lleitschale with the features of claim 12.
- an oil guide shell for a transmission has a surface region which extends in the direction of at least one component of the transmission rotating in the oil guide shell.
- a component may be a gear or a shaft on which gears are mounted, for example.
- the surface area constitutes a part of the overall surface of the oil guide shell which, in addition to the part extending in the direction of the intended components, has at least one part which is provided on the opposite side of the oil guide shell and which faces the inner transmission housing wall.
- the surface area extending in the direction of the rotating components forms at least one section in which an oil level can form through the oil accumulated there. In this section rotates the at least one component of the transmission.
- the at least one section has edges which admit to the at least one rotating component. limit part of the surface area.
- limiting devices are provided in the at least one section, which in the at least one section create a volume in which oil collects.
- oil can accumulate in larger quantities than would be possible with a surface that simulates only the contour of the rotating components.
- the oil level in this created volume increases at least beyond the edges resulting solely from the boundary to an adjacent section. Due to the increased oil level in this volume, the delivery point shifts, at which the oil thrown from this volume by the rotating component leaves the volume and thus the oil guide bowl.
- the delivery point is further shifted on the circumference of the rotating component. Due to the circular design of the rotating component, the discharge point on the surface of the oil level in the volume is not perpendicular above the point of the surface of the ⁇ lleitschale on which oil would be thrown off, if no oil could be accumulated on the surface of the ⁇ lleitschale, but shifts the delivery point on a circular path on the circumference of the rotating component according to the height of the oil level in the volume. This ensures that, for example, in a rotating gear, the delivery point is closer to the tooth engagement of this gear with another gear of the gear ratio, so that oil can be thrown targeted in this tooth mesh.
- the height of the oil level in the volume is an influence on a ⁇ lschleuderwinkels achieved by the at least one rotating component.
- a limitation of the volume is formed by the at least one rotating component.
- the volume is enclosed on three sides by limiting devices in the form of walls, and on the fourth side, the rotating component itself completes the volume.
- the fourth side, which faces the rotating component is also partially provided with a limiting device in the form of a wall, which covers a part of the rotating component and in particular the toothing.
- a further embodiment possibility provides that the limiting device of at least one section is designed to be extended on at least one side, so that this limiting device on this side at least partially covers the lateral region of the toothing of the associated component.
- a plurality of sections are provided in the surface area, in which rotating components of the transmission are provided.
- the ⁇ lleitscha- le not only the section for a single rotating component available but for several components, for example, arranged side by side on a shaft gears having different diameters, whereby the contour of the surface of the ⁇ lleitschale is designed differently in the different sections because the contour adapts to the different diameters.
- a particularly advantageous embodiment is obtained if the sections, as already indicated, are formed directly next to each other. As a result, a limiting device can be used multiple times, forming the boundary for two adjacent sections or volumes.
- the limiting devices preferably separate individual juxtaposed sections from each other.
- the individual sections can thereby be designed differently and preferably form different sized volumes.
- the different heights allow the delivery point to occur in different sections at a different oil level. As a result, an adaptation to the dimensions of the rotating components and the desired target areas of the spun-off oil can be achieved.
- the surface region is inclined in a portion to the rotating member in the section out. This ensures that the content of the volume formed also arrives at the rotating component for delivery to the bodies to be lubricated or cooled. So that in such inclined sections, the volume can be filled so that a sufficient and desired high oil level is achieved, is preferred provided that the height of a limiting device of a section increases towards the component rotating in this section.
- the object is also achieved by a transmission with a Olleitschale, which is designed according to the features described above.
- FIG. 1 is a perspective view of a Olleitschale
- Fig. 2 a first section through the Olleitschale and arranged therein
- Direction of the rotating components directed surface area 4 is divided into several sections 8, 10, 12, 14,16, 18, 20.
- the troughs in sections 8 to 20 have different diameters and are provided for receiving rotating components with different diameters.
- the portion 12 is provided for receiving a gear with a large diameter
- the portion 18 is provided for receiving a gear with respect to the gear in section 12 of smaller diameter.
- the section 20 is suitable for receiving a shaft portion of a transmission shaft on which the gears received in the sections 12 and 18 can be arranged.
- edges 32 are formed at the transitions from one section to the adjacent section, which are justified by the different diameters of the troughs of the sections.
- the surface area 4 is formed inclined in the sections to the troughs. Laterally of the troughs for receiving the rotating components surfaces 22 and 24 are provided, of which one surface 22 on the inlet side 26 of the rotating member adjacent to the respective trough, while the surface 24 to the respective trough on the exit side 28 of the rotating component adjacent to the hollow.
- the surfaces 24 are surrounded by limiting devices 30, which delimit the individual sections 8 to 20 associated surfaces 24 in the form of walls.
- the height of the limiting devices 30 increases from the exit side 28 to the outer edge 34 of the surface 24 on the surface region 6.
- the inner height h, at the limiting device 30 is greater than the outer height h a .
- FIG. 2 shows in a section a view of the ⁇ lleitschale 2, which is arranged in an oil sump 36 in a transmission housing 38.
- the oil sets in the transmission housing 38 to an oil level 48 a.
- a gear 40 is arranged, which rotates on a shaft 42 about a rotation axis 44.
- oil inlet 46 oil passes from the oil sump 36 into the section of the oil guide bowl, which is represented by an oil inlet arrow 50.
- the oil is conveyed by the gear 40 in the direction of rotation of the gear 40, which is represented by the ⁇ l continuupfeil 52.
- the oil is spun tangentially, which shows the ⁇ laustrittspfeil 54, and falls back into the volume between the limiting devices 30 and the surface 24, represented by the oil return arrow 56th
- Fig. 2 shows the state shortly after the start of the transmission, wherein only a little oil in the volume between the limiting devices 30 and the
- the gear 40 continues to rotate in the direction of the first direction of rotation arrow 60 and delivers oil according to ⁇ ladospfeil 52.
- the gear 40 engages another gear 62, which rotates in the direction of a second direction of rotation arrow 64 opposite to the direction of the first direction of rotation arrow 60.
- Both gears 40 and 62 engage in a tooth engaging portion 66 into each other. This is an area that requires special lubrication or cooling.
- the toothing or the common contact surface of the two wheels in engagement is to be lubricated. Better lubrication results in less friction and less heat generation.
- Tooth engaging portion 66 hits targeted.
- spray oil which runs down the inside of the transmission housing (38), can collect again (cooled) in the region between the limiting devices (30), possibly already being cooled, and can thus support the diversion or filling of the volume ,
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Details Of Gearings (AREA)
- Gears, Cams (AREA)
Abstract
Description
Claims
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
BR112018006348A BR112018006348A2 (pt) | 2015-10-23 | 2016-10-04 | bacia de condução de óleo e engrenagem equipada com esta |
CN201680061565.8A CN108351018A (zh) | 2015-10-23 | 2016-10-04 | 油导引罩和配备有油导引罩的传动设施 |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102015220771.4 | 2015-10-23 | ||
DE102015220771.4A DE102015220771A1 (de) | 2015-10-23 | 2015-10-23 | Ölleitschale und damit ausgestattetes Getriebe |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2017067776A1 true WO2017067776A1 (de) | 2017-04-27 |
Family
ID=57208246
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/EP2016/073600 WO2017067776A1 (de) | 2015-10-23 | 2016-10-04 | Ölleitschale und damit ausgestattetes getriebe |
Country Status (4)
Country | Link |
---|---|
CN (1) | CN108351018A (de) |
BR (1) | BR112018006348A2 (de) |
DE (1) | DE102015220771A1 (de) |
WO (1) | WO2017067776A1 (de) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102016207453A1 (de) | 2016-04-29 | 2017-11-02 | Zf Friedrichshafen Ag | Schmiermittelleitschale und damit ausgestattetes Getriebe |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2003060347A2 (en) * | 2002-01-17 | 2003-07-24 | Toyota Jidosha Kabushiki Kaisha | Planetary gearset |
DE60100482T2 (de) * | 2000-02-22 | 2004-04-15 | Eaton Corp., Cleveland | Zahnradisolationsmantel für Getriebe |
EP1602861A1 (de) * | 2003-03-10 | 2005-12-07 | Yanmar Co., Ltd. | Prallblech für getriebe |
DE102006045238A1 (de) | 2006-09-26 | 2008-04-03 | Zf Friedrichshafen Ag | Verfahren und Einrichtung zur Beölung einer Zahnradpaarung oberhalb des Ölsumpfs bei einem Getriebe mit Tauchschmierung |
EP2148114A1 (de) * | 2008-07-24 | 2010-01-27 | Aichi Machine Industry Co. Ltd. | Schmiervorrichtung und damit ausgestattetes Getriebe |
WO2016062793A1 (de) * | 2014-10-24 | 2016-04-28 | Getrag Getriebe- Und Zahnradfabrik Hermann Hagenmeyer Gmbh & Cie Kg | Fluidführungsvorrichtung und kraftfahrzeuggetriebe |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1554081A (en) * | 1923-03-23 | 1925-09-15 | Gen Electric | Self-oiling gearing |
DE4321655A1 (de) * | 1993-06-30 | 1995-01-12 | Rudolf Stegherr | Einrichtung zur Schmierung von schnellaufenden Zahnradgetrieben durch einen Öltransport, bewirkt durch die rotierenden Zahnräder selbst |
JPH09177948A (ja) * | 1995-12-21 | 1997-07-11 | Nissan Motor Co Ltd | 歯車機器の潤滑構造 |
CN2766117Y (zh) * | 2005-01-27 | 2006-03-22 | 荆州市巨鲸传动机械有限公司 | 完全内置润滑的三级行星齿轮减速器 |
JP5047097B2 (ja) * | 2008-08-11 | 2012-10-10 | 愛知機械工業株式会社 | 変速機 |
DE102010024590A1 (de) * | 2010-06-22 | 2011-02-03 | Daimler Ag | Getriebe für einen Antriebsstrang eines Kraftwagens |
CN204459101U (zh) * | 2014-12-31 | 2015-07-08 | 太重煤机有限公司 | 集油罩多通道回油结构 |
DE102015215788A1 (de) | 2015-08-19 | 2017-02-23 | Zf Friedrichshafen Ag | Ölleitschale für ein Getriebe und Getriebe |
-
2015
- 2015-10-23 DE DE102015220771.4A patent/DE102015220771A1/de not_active Withdrawn
-
2016
- 2016-10-04 BR BR112018006348A patent/BR112018006348A2/pt not_active Application Discontinuation
- 2016-10-04 WO PCT/EP2016/073600 patent/WO2017067776A1/de active Application Filing
- 2016-10-04 CN CN201680061565.8A patent/CN108351018A/zh active Pending
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE60100482T2 (de) * | 2000-02-22 | 2004-04-15 | Eaton Corp., Cleveland | Zahnradisolationsmantel für Getriebe |
WO2003060347A2 (en) * | 2002-01-17 | 2003-07-24 | Toyota Jidosha Kabushiki Kaisha | Planetary gearset |
EP1602861A1 (de) * | 2003-03-10 | 2005-12-07 | Yanmar Co., Ltd. | Prallblech für getriebe |
DE102006045238A1 (de) | 2006-09-26 | 2008-04-03 | Zf Friedrichshafen Ag | Verfahren und Einrichtung zur Beölung einer Zahnradpaarung oberhalb des Ölsumpfs bei einem Getriebe mit Tauchschmierung |
EP2148114A1 (de) * | 2008-07-24 | 2010-01-27 | Aichi Machine Industry Co. Ltd. | Schmiervorrichtung und damit ausgestattetes Getriebe |
WO2016062793A1 (de) * | 2014-10-24 | 2016-04-28 | Getrag Getriebe- Und Zahnradfabrik Hermann Hagenmeyer Gmbh & Cie Kg | Fluidführungsvorrichtung und kraftfahrzeuggetriebe |
Also Published As
Publication number | Publication date |
---|---|
DE102015220771A1 (de) | 2017-04-27 |
BR112018006348A2 (pt) | 2018-10-16 |
CN108351018A (zh) | 2018-07-31 |
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