EP2710282A1 - Engrenage planétaire - Google Patents

Engrenage planétaire

Info

Publication number
EP2710282A1
EP2710282A1 EP12728172.3A EP12728172A EP2710282A1 EP 2710282 A1 EP2710282 A1 EP 2710282A1 EP 12728172 A EP12728172 A EP 12728172A EP 2710282 A1 EP2710282 A1 EP 2710282A1
Authority
EP
European Patent Office
Prior art keywords
planet carrier
planetary gear
carrier plate
planet
gear according
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.)
Withdrawn
Application number
EP12728172.3A
Other languages
German (de)
English (en)
Inventor
Heinz Gert Hagedorn
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.)
IMS Gear SE and Co KGaA
Original Assignee
IMS Gear SE and Co KGaA
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 IMS Gear SE and Co KGaA filed Critical IMS Gear SE and Co KGaA
Publication of EP2710282A1 publication Critical patent/EP2710282A1/fr
Withdrawn legal-status Critical Current

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
    • F16H57/08—General details of gearing of gearings with members having orbital motion
    • F16H57/082—Planet carriers
    • 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
    • F16H2057/085—Bearings for orbital gears

Definitions

  • the invention relates to a planetary gear with at least one planet carrier according to the preamble of patent claim 1 as well as its use.
  • the function of planetary gears is known.
  • the drive side is a sun gear or a pinion, which is driven by a motor which is connected via a motor flange with the planetary gear.
  • the pinion transmits its motion to three generally revolving, forming a gear stage planetary gears, which are arranged on a bearing pin of a planet carrier, wherein the output side of the planet carrier is rotatably connected to a meshing with the planetary gears of the planetary carrier of the following gear stage sun gear.
  • the last planetary carrier is firmly connected to an output shaft and thus ensures the transmission of power at the output.
  • Outside the planetary gears run in a gear housing with internal teeth, the so-called ring gear.
  • the transmission housing is connected on the output side with a driven flange.
  • a generic planetary gear is known from DE 44 25 9 61 AI, the planet carrier from a Planetenough- plate and the planetary gears rotatably receiving bearing pin as a plastic part is made in one piece.
  • a plastic material polyamide is proposed.
  • the planet gears are made of plastic.
  • bearing pin of this known planet carrier according to DE 44 25 961 AI are provided in their lugs on the planet carrier plate with a bead-like reinforcement.
  • a planetary gear in which between a mounted on a bearing pin planetary gear and the planet carrier is arranged a starting disc, which has an anti-rotation in the form of knobs or studs in corresponding recesses or elevations in the planet carrier intervention.
  • Such starting discs serve on the one hand to absorb axial forces of the planetary gears, which arise for example by a helical toothing of the planetary gear and on the other hand, an attenuation of vibrations and the supply of lubricating oil to bearings of the planet gears is ensured by recesses in the starting discs.
  • the object of the invention is therefore to develop a planetary gear of the type mentioned in such a way that the disadvantages mentioned are avoided, ie in particular a pia Netengetriebe is created, which is inexpensive to manufacture and rnontierbar.
  • Such a planetary gear with at least one planet carrier which comprises a planet carrier plate integrally made of plastic together with at least one bearing pin for a planet gear, the output side with a
  • Sun gear is rotatably connected, according to the invention is characterized in that between the planet gear and the planet carrier plate of the planet carrier an integrally connected to the planet carrier plate run-in collar is provided.
  • this run-up collar is annular.
  • Such a start-up collar assumes the functions of a starting disk explained in the introduction, wherein no additional expense arises both during the production of the planet carrier and during the assembly of the planetary gear.
  • the starting coils integrated in the planet carrier plate contribute to a better noise behavior of the planetary gear, since a strip of the toothing of the planet wheels on the planet carrier plate is prevented.
  • the planetary gear with such a planet carrier according to the invention made of plastic material due to the lower rotating masses a better self-damping behavior.
  • an advantageous embodiment of the invention is the
  • Planet carrier plate formed with a bearing bolt circumferential groove, wherein the lateral surface of the bearing pin in steadily the circumferential groove merges.
  • a further reduction of the moving mass is achieved according to a development of the invention in that the planet carrier plate is formed on the output side with stiffening ribs.
  • a plurality of stiffening ribs can be arranged radiatingly running, wherein additional stiffening ribs can be provided which extend on the output side concentrically around the sun gear.
  • the planet carrier is produced from a glass-fiber-reinforced plastic as an injection-molded part, in order thereby to achieve a sufficiently high strength.
  • the at least one planet gear made of polyoxymethylene (POM) is also advantageous to use the at least one planet gear made of polyoxymethylene (POM) as the plastic with a filler, in particular with Teflon fibers
  • the inventive design of the planetary gear is not limited to the use of a planet carrier with a single bearing pin and seated planetary, but it has been found to be beneficial to form the planet carrier with three mutually offset by 120 ° each bearing pin, each carrying a planetary gear and comb with a ring gear.
  • the planetary gear can also be designed in several stages with several such planet carriers.
  • the planetary gear according to the invention is preferably suitable for use for a tailgate drive of a motor vehicle.
  • the fact that most of the components provided for the transmission are made of plastic, such a tailgate drive is characterized by a low noise and a relatively low weight.
  • Figure 1 is an exploded perspective view of a planet carrier according to the invention with planet gears and a driven side sun gear in a view of the drive side, and
  • Figure 2 is another perspective exploded view of the planet carrier of Figure 1 in a view of the output side.
  • FIGS. 1 and 2 show a planetary carrier 1 with planetary gears 4 having helical teeth on the drive side and a sun gear 6 rotatably connected to the planet carrier 1 for a planetary gear, wherein the associated drive pinion and the associated ring gear with which the planet gears 4 comb are not shown.
  • the driven-side sun gear 6 meshes with planetary gears of a further gear stage representing planetary carrier, which is also not shown.
  • the planet carrier 1 is made of a circular planet carrier plate 5 and three coaxial with a central bore 5a on the planet carrier plate 5 perpendicular bearing pin 2 as an injection molded part made in one piece from a plastic material, wherein as plastic material, a glass fiber reinforced plastic is used. From Figure 1 it can be seen that in the planet carrier plate 5, the bearing pin 2 are integrated circular annular run-up collars 7, so that a strip of teeth of the plugged onto these bearing pin 2 ' planet gears 4 is avoided with the planet carrier plate 5.
  • Figure 1 shows a bearing pin 2 circumferential groove 8, which is introduced into the planet carrier plate 5, so that the run-up collar 7, this groove 8 rotates circular.
  • This groove 8 can be formed, for example, with a substantially semicircular cross-section, so that the bearing surface 3 of the bearing pin 2 continuously merges into this circumferential groove 8.
  • the planetary gears 4 are injection-molded from plastic material, polyoxymethylene (POM) reinforced with Teflon fibers being used as the plastic material.
  • POM polyoxymethylene
  • the sun gear 6 is made of metal and is pressed by means of a press fit from the output side of the planet carrier 1 in its bore 5a.
  • the output side view of the planet carrier 1 according to Figure 2 shows that the output-side end face of the planet carrier plate 5 is formed with stiffening ribs 8 and 9. Initially, six uniformly distributed stiffening ribs 8, starting radially from the central bore 5 a radially outward, extend to the edge of the planet carrier plate 5. A further stiffening rib 9 orbits the sun gear 6 in a circular ring shape.

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Retarders (AREA)
  • General Details Of Gearings (AREA)

Abstract

L'invention concerne un engrenage planétaire présentant au moins un porte-satellites (1) qui comprend une plaque de porte-satellites (5) fabriquée en matière plastique d'un seul tenant conjointement avec au moins un tourillon (2) pour un satellite (4) et reliée, côté sortie, de manière solidaire en rotation à une roue solaire (6). Selon l'invention, un collet de butée (7) relié d'un seul tenant à la plaque de porte-satellites (5) est agencé entre le satellite (4) et la plaque de porte-satellites (5) du porte-satellites (1).
EP12728172.3A 2011-05-20 2012-05-10 Engrenage planétaire Withdrawn EP2710282A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE201110102731 DE102011102731B4 (de) 2011-05-20 2011-05-20 Planetengetriebe mit verbessertem Planetenträger und dessen Verwendung
PCT/EP2012/002011 WO2012159711A1 (fr) 2011-05-20 2012-05-10 Engrenage planétaire

Publications (1)

Publication Number Publication Date
EP2710282A1 true EP2710282A1 (fr) 2014-03-26

Family

ID=46319679

Family Applications (1)

Application Number Title Priority Date Filing Date
EP12728172.3A Withdrawn EP2710282A1 (fr) 2011-05-20 2012-05-10 Engrenage planétaire

Country Status (7)

Country Link
US (1) US9062756B2 (fr)
EP (1) EP2710282A1 (fr)
KR (1) KR20140022069A (fr)
CN (1) CN103562597A (fr)
DE (1) DE102011102731B4 (fr)
RU (1) RU2013153091A (fr)
WO (1) WO2012159711A1 (fr)

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WO2014143655A1 (fr) * 2013-03-15 2014-09-18 Springs Window Fashions, Llc Agencement d'entraînement de système de levage et de commande motorisé de couvre-fenêtre
EP2860336A3 (fr) * 2013-10-14 2018-01-03 IMS Gear GmbH Hayon entraîné pour un véhicule automobile
ES2842223T3 (es) 2013-10-14 2021-07-13 Ims Gear Se & Co Kgaa Disposición de portón accionado para un vehículo de motor
CN103527717B (zh) * 2013-10-17 2016-02-03 中国北方车辆研究所 一种适应高转速工况的复合行星排结构
US9776483B2 (en) 2014-11-24 2017-10-03 Magna Closures Inc. Electromechanical strut with motor-gearbox assembly having dual stage planetary gearbox
US10918439B2 (en) 2015-04-28 2021-02-16 Brainlab Ag Method and device for determining geometric parameters for total knee replacement surgery
DE102015209324A1 (de) 2015-05-21 2016-11-24 Schaeffler Technologies AG & Co. KG Planetenträger aus faserverstärktem Kunststoff
DE102015210407B4 (de) * 2015-06-08 2021-09-30 Bayerische Motoren Werke Aktiengesellschaft Planetenträger
US9822843B2 (en) 2015-12-07 2017-11-21 Hi-Lex Controls, Inc. Planetary gear box for power struts
USD828424S1 (en) * 2015-12-18 2018-09-11 Porsche Lizenz-Und Handelsgesellschaft Mbh & Co. Kg Watch winder
KR102456349B1 (ko) * 2016-01-07 2022-10-19 주식회사 만도 유성기어를 이용한 전동식 조향장치
DE102016203003A1 (de) * 2016-02-25 2017-08-31 Bühler Motor GmbH Planetengetriebe
GB201611893D0 (en) 2016-07-08 2016-08-24 Rolls Royce Plc A geared gas turbine engine and a gearbox
DE102017105730A1 (de) * 2017-03-17 2018-09-20 Schaeffler Technologies AG & Co. KG Wankstabilisator für ein Kraftfahrzeug
DE102017117692A1 (de) * 2017-08-04 2019-02-07 Schaeffler Technologies AG & Co. KG Umlaufrädergetriebe
JP7005216B2 (ja) * 2017-08-09 2022-01-21 ナブテスコ株式会社 歯車支持構造
JP7005217B2 (ja) * 2017-08-09 2022-01-21 ナブテスコ株式会社 歯車支持構造
CN109505928A (zh) * 2018-12-30 2019-03-22 苏州富强科技有限公司 一种用于3d曲面玻璃抛光机的二级行星齿轮传动机构
DE102019109616A1 (de) * 2019-04-11 2020-10-15 Ims Gear Se & Co. Kgaa Planetenträgeranordnung eines Planetengetriebes, insbesondere eines Planetengetriebes eines Seitentürantriebes, sowie Verfahren zum Herstellen einer derartigen Planetenträgeranordnung
DE102019205906A1 (de) * 2019-04-25 2020-10-29 Robert Bosch Gmbh Elektromechanischer Bremsdruckerzeuger mit einem Getriebe, Verfahren zum Herstellen eines Getriebes eines elektromechanischen Bremsdruckerzeugers und Fahrzeug umfassend einen elektromechanischen Bremsdruckerzeuger

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Also Published As

Publication number Publication date
DE102011102731B4 (de) 2013-10-31
WO2012159711A8 (fr) 2013-03-07
WO2012159711A1 (fr) 2012-11-29
RU2013153091A (ru) 2015-06-27
KR20140022069A (ko) 2014-02-21
CN103562597A (zh) 2014-02-05
DE102011102731A1 (de) 2012-11-22
US20140106926A1 (en) 2014-04-17
US9062756B2 (en) 2015-06-23

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