WO2020118335A1 - Train planétaire destiné à une éolienne - Google Patents

Train planétaire destiné à une éolienne Download PDF

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Publication number
WO2020118335A1
WO2020118335A1 PCT/AT2019/060427 AT2019060427W WO2020118335A1 WO 2020118335 A1 WO2020118335 A1 WO 2020118335A1 AT 2019060427 W AT2019060427 W AT 2019060427W WO 2020118335 A1 WO2020118335 A1 WO 2020118335A1
Authority
WO
WIPO (PCT)
Prior art keywords
planetary gear
planet
oil reservoir
gear
oil
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.)
Ceased
Application number
PCT/AT2019/060427
Other languages
German (de)
English (en)
Inventor
Johannes Sebastian HÖLZL
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.)
Miba Gleitlager Austria GmbH
Original Assignee
Miba Gleitlager Austria GmbH
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 Miba Gleitlager Austria GmbH filed Critical Miba Gleitlager Austria GmbH
Publication of WO2020118335A1 publication Critical patent/WO2020118335A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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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
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C33/00—Parts of bearings; Special methods for making bearings or parts thereof
    • F16C33/02—Parts of sliding-contact bearings
    • F16C33/04—Brasses; Bushes; Linings
    • F16C33/06—Sliding surface mainly made of metal
    • F16C33/10—Construction relative to lubrication
    • F16C33/1025—Construction relative to lubrication with liquid, e.g. oil, as lubricant
    • F16C33/1045—Details of supply of the liquid to the bearing
    • F16C33/1055—Details of supply of the liquid to the bearing from radial inside, e.g. via a passage through the shaft and/or inner sleeve
    • 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
    • F16H57/0467—Elements of gearings to be lubricated, cooled or heated
    • F16H57/0479—Gears or bearings on planet carriers
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
    • F03D—WIND MOTORS
    • F03D80/00—Details, components or accessories not provided for in groups F03D1/00 - F03D17/00
    • F03D80/70—Bearing or lubricating arrangements
    • 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
    • F16H57/0426—Means for guiding lubricant into an axial channel of a shaft
    • 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
    • F16H57/0427—Guidance of lubricant on rotary parts, e.g. using baffles for collecting lubricant by centrifugal force
    • 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
    • F16H57/043—Guidance of lubricant within rotary parts, e.g. axial channels or radial openings in shafts
    • 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
    • F16H57/045—Lubricant storage reservoirs, e.g. reservoirs in addition to a gear sump for collecting lubricant in the upper part of a gear case
    • 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
    • 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
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00—Energy generation through renewable energy sources
    • Y02E10/70—Wind energy
    • Y02E10/72—Wind turbines with rotation axis in wind direction

Definitions

  • the invention relates to a planetary gear and a wind turbine equipped with the planetary gear.
  • a generic planetary gear is known from WO 2011127509 Al to the same applicant.
  • EP 2 383 480 Bl Another generic planetary gear is known from EP 2 383 480 Bl.
  • the planetary gear known from EP 2 383 480 B1 has the disadvantage that damage to the planetary gear can occur in the event of a power failure and thus in the event of a failure of the auxiliary units which provide lubrication of the slide bearings.
  • the object of the present invention was to overcome the disadvantages of the prior art and to provide a planetary gear unit for a wind power plant with increased reliability.
  • a planetary gear in particular planetary gear, is provided for a wind power plant.
  • the planetary gear includes:
  • At least one planetary radial slide bearing which is used to support the planetary gear on the planetary pin and has a sliding surface
  • an oil distribution channel section is formed, which is flow-connected to at least a portion of the sliding surface, wherein in the tarpaulin pin or in the planet carrier an oil reservoir is formed, which with at least a portion of the sliding surface of the planetary radial slide bearing is fluidly connected, where the oil reservoir is coupled to an oil reservoir filling channel which has an oil reservoir filling opening which opens into an interior of the planetary gear housing, the oil reservoir filling opening being designed such that it rotates around when the planet carrier rotates a center line plunges into an oil sump formed in the planetary gear housing.
  • a check valve is arranged in the oil reservoir filling channel, which is designed such that an oil flow from the oil reservoir filling opening into the oil reservoir is made possible and an oil flow in the opposite direction is prevented.
  • the planetary gear according to the invention has the advantage that by using the check valve, the oil reservoir can be filled with lubricating oil if it is immersed in the oil sump and no lubricating oil can escape from the oil reservoir in the opposite direction.
  • the oil reservoir is coupled to a lubricating oil supply, such as a pump, it is necessary that the lubricating oil pumped into the oil reservoir cannot escape through the oil reservoir filling channel into the interior of the planetary gear housing during control operation.
  • an oil collecting element is formed, which is formed above an outer surface of the planet carrier and is designed to be funnel-shaped open in the direction of rotation.
  • An improved absorption of lubricating oil from the oil sump into the oil reservoir can be achieved by means of the oil collecting element.
  • the oil collecting element is funnel-shaped in the direction of rotation, the resulting back pressure in the oil collecting element can push the lubricating oil into the oil reservoir with a slightly increased pressure.
  • the check valve comprises a membrane made of a soft elastic material.
  • a membrane in particular can have a simple structure and thus function well as a check valve.
  • the check valve comprises a poppet valve, in particular a spring-biased poppet valve.
  • a spring-loaded poppet valve brings the advantage with it that it can withstand increased pressures and moreover has the simplest possible structure.
  • the check valve comprises a flap, in particular a spring-loaded flap.
  • the check valve comprises a gravity-operated closing mechanism.
  • a gravity-operated closing mechanism can be designed such that it releases the oil reservoir filling channel when the oil reservoir filling opening is within the lubricating oil sump and that the flow connection is closed when the oil reservoir filling opening emerges from the lubricating oil sump.
  • the gravity-operated locking mechanism can include, for example, a float. The float can, for example, close the oil reservoir filling opening as soon as it dips into the lubricating oil sump. Furthermore, it is also conceivable that the gravity-operated closing mechanism closes or releases the oil reservoir filling opening depending on the angle of rotation of the planet gear carrier.
  • the oil reservoir is in flow connection with the oil distribution channel section of the planet gear pin. This measure makes it possible to supply the oil reservoir with the pressurized oil supply to the planetary gear with lubricating oil.
  • the oil reservoir is connected to the oil distribution channel section of the planetary gear pin in such a way that, in an uppermost position of the relevant planetary gear pin, the lubricating oil can reach the sliding surface of the planetary radial plain bearing under the force of gravity.
  • This has the advantage that the lubricating oil can be guided to the sliding surfaces within the oil reservoir without building up pressure.
  • Figure 1 is a sectional view of an embodiment variant of a planetary gear.
  • FIG. 2 shows a detailed view of a first embodiment variant of a check valve
  • FIG. 3 shows a detailed view of a second embodiment variant of the check valve
  • Fig. 4 is a detailed view of a third embodiment of the check valve.
  • Fig. 1 shows an embodiment of a planetary gear 1 in a sectional view according to a cross section along a center line 2 of the planetary gear 1.
  • the view of FIG. 1 is shown schematically and is used to explain the general structure of the planetary gear and to show the built in a planetary gear Parts.
  • wind turbines include a tower at the upper end of which a gondola is arranged, in which the rotor is mounted with the rotor blades.
  • This rotor is via the planetary gear 1 with a generator, which is also located in the nacelle, connected to effect, the low speed of the rotor being translated into a higher speed of the generator rotor via the planetary gear 1. Since such designs of wind turbines are part of the state of the art, at this point the relevant literature is confused.
  • the planetary gear 1 has a sun gear 3, which is motionally coupled to a shaft 4, which leads to the generator rotor.
  • the sun gear 3 is composed of a plurality of planet gears 5, for example two, preferably three.
  • Both the sun gear 3 and the tarpaulin 5 have external spur gear teeth which are in meshing engagement with each other, these spur gear teeth being shown schematically in FIG. 1.
  • the planet gears 5 are each mounted in a planet carrier 7 by means of a planet gear pin 6. It can further be provided that the planet gear pin 6 is fixed or received in a first planet carrier cheek 8 and a second planet carrier cheek 9. In particular, it can be provided that the planet gear pin 6 is secured against rotation by any securing element (not explicitly shown).
  • the two planet carrier cheeks 8, 9 are part of the planet carrier 7.
  • ring gear 10 Surrounding the planet gears 5 there is a ring gear 10 which has an internal toothing which is in meshing engagement with the spur toothing of the planet gears 5.
  • the ring gear 10 can be formed in a one-part or multi-part planetary gear housing 11, or can be coupled to it.
  • At least the first planet carrier cheek 8 is coupled to a rotor connection 12, the rotor connection 12 being used for torque transmission between the rotor hub of the wind turbine and the planet carrier 7.
  • an oil distribution channel section 13 is formed in the first planet carrier cheek 8, by means of which the sliding surfaces (17, 24, 25) of the sliding bearings (14, 22, 23) can be supplied with lubricating oil.
  • At least one planetary radial sliding bearing 14 is provided for mounting the planet gears 5 on the planet wheel pin 6 per planet wheel 5.
  • the planetary radial slide bearing 14 is attached to an inner surface 15 on the planet pin 6.
  • a sliding surface 17 is formed on an outer lateral surface 16 of the planetary radial sliding bearing 14.
  • a lubricating oil bore 18 is formed in the planetary radial sliding bearing 14, which is guided from the inner lateral surface 15 of the planetary radial sliding bearing 14 to the outer lateral surface 16 of the planetary radial sliding bearing 14.
  • At least one lubricating oil collecting pocket 19 is formed on the outer circumferential surface 16 of the planetary radial sliding bearing 14, which is flow-coupled to the lubricating oil bore 18 in the planetary radial sliding bearing 14.
  • two lubricating oil bores 18 and two lubricating oil collecting pockets 19 are formed on the planetary radial sliding bearing 14 diametrically opposite one another.
  • the oil distribution channel sections 13 of the first planet carrier cheek 8 are flow-connected to the oil distribution channel sections 20 of the planet gear pin 6. It can thereby be achieved that the sliding surface 17 of the planetary radial sliding bearing 14 can be supplied with lubricating oil.
  • the planetary radial sliding bearing 14 in the planetary gear 5 are firmly received by means of their outer surface 16 and the sliding surface 17 of the planetary radial sliding bearing 14 is formed on the inner surface 15 thereof, which cooperate with the planetary pin 6. It can be provided here that a lubricating oil collecting pocket for supplying the sliding surface 17 with lubricating oil is formed directly in the planet gear pin 6.
  • a first axial slide bearing 22 and a second axial slide bearing 23 can each be arranged on the end face of a planet gear 5.
  • the first axial sliding bearing 22 is arranged between the planet gear 5 and the first planet carrier cheek 8.
  • the second axial sliding bearing 23 is arranged between the planet gear 5 and the second planet carrier cheek 9.
  • the axial sliding bearings 22, 23 are each fixed to the planet carrier cheeks 8, 9.
  • a sliding surface 24 can be formed on the first axial sliding bearing 22, on which a first end face of the planet gear 5 bears.
  • a sliding surface 25 can be formed on the second axial sliding bearing 23, on which a second end face of the planet gear 5 bears.
  • the planet gear 5 can thus be rotated relative to the axial sliding bearings 22, 23.
  • the axial sliding bearings 22, 23 are attached to the planet gear 5.
  • the sliding surfaces 24, 25 of the axial sliding bearings 22, 23 face the planet carrier cheeks 8, 9 and slide on them.
  • an oil sump 27 is formed in an interior 26 of the planetary gear housing 11, which is filled with lubricating oil up to a lubricating oil level 35.
  • the lubricating oil level 35 is selected so that the planet carrier 7 is at least partially immersed in the oil sump 27.
  • the lubricating oil level 35 is selected such that the individual planet gear bolts 6 at least partially immerse at least partially in the oil sump 27 when the planet carrier 7 rotates around the center line 2 of the planetary gear 1 in its lowest position.
  • Fig. 2 shows a first embodiment of the installation situation of the planetary gear pin 6 in the planet carrier 7, wherein again the same reference numerals or component drawings as in the previous Fig. 1 are used for the same parts. To avoid unnecessary repetitions, reference is made to the detailed description in the previous Fig. 1 or reference.
  • an oil reservoir 28 is formed in the planet gear pin 6, which serves for the temporary storage of lubricating oil.
  • the oil reservoir 28 can be formed exclusively in the planet gear pin 6.
  • the oil reservoir 28 can be formed exclusively in the planet carrier 7.
  • the oil reservoir 28 can be formed both in the planet carrier 7 and in the planet wheel bolt 6.
  • the oil reservoir 28 is flow-coupled to the oil distribution channel section 13 of the first planet carrier cheek 8.
  • the oil reservoir 28 between the oil distribution channel section 13 of the first planet carrier cheek 8 and the lubricating oil bore 18 of the planetary gear slide bearing 14 is interposed. It can thereby be achieved that the oil reservoir 28 is constantly filled with lubricating oil during normal operation when a lubricating oil supply pump is supplied via the oil distribution channel section 13 during normal operation.
  • the oil reservoir 28 is not coupled to the oil distribution channel section 13 of the first planet carrier cheek 8, but is only filled with lubricating oil via the oil reservoir filling channel 29, which will be described in more detail below.
  • additional lubricating oil bores 18 are arranged in the planetary radial sliding bearing 14, which are coupled to the oil reservoir 28. By means of these additional lubricating oil bores 18, the sliding surface 17 of the planetary radial sliding bearing 14 can be supplied with lubricating oil from the oil reservoir 28.
  • an oil reservoir filling channel 29 which has an oil reservoir filling opening 30 which extends into the interior housing 26 inside the planetary gear housing 11.
  • the oil reservoir filling channel 29 can be formed in the planet carrier 7 and / or in the planet gear pin 6.
  • the oil reservoir filling opening 30 can be arranged on the planet carrier 7 or on the planet gear pin 6.
  • the oil reservoir opening 30 is designed such that it lies completely below the lubricating oil level 35 or is completely immersed in the oil sump 27 when the respective planet gear pin 6 is in its lowermost position during the rotation of the planet carrier 7 .
  • an oil collecting element 31 can be provided, which opens in the direction of rotation 32 of the planet gear carrier 7 in the shape of a funnel or shell.
  • the oil collecting element 31 can for example be a thin-walled element which has the outer contour of a quarter ball.
  • the rotation of the planet carrier 7, the lubricating oil be sensitive in the oil sump 27 be pressed under additional dynamic pressure by the oil collecting element 31 via the oil reservoir filling channel 29 into the oil reservoir 28. Due to the shape of the ⁇ lsam melides 31, the dynamic pressure occurring during the rotational movement of the planet carrier 7 can be used to achieve an improved filling of the oil reservoir 28.
  • a check valve 33 is formed, which ensures that lubricating oil can get from the oil sump 27 into the oil reservoir 28 and can be held in the oil reservoir 28.
  • the check valve 33 comprises a poppet valve 34, which is designed to close the oil reservoir filling channel 29.
  • the oil reservoir filling channel 29 has a plurality of holes which are arranged in a drilling pattern around the center line 21 of the planet gear pin 6 are distributed.
  • the poppet valve 34 may include a plate 36 which is coupled to a guide pin 37.
  • the guide pin 37 is received in a guide bore 38 so as to be axially displaceable.
  • the guide bore 38 can be formed in the planet carrier 7.
  • a spring element 39 can be provided, which extends between an extension 40 of the guide pin 37 and an outer wall 41 of the first planet carrier cheek 8.
  • the plate 36 can be pressed against an inner wall 42 of the first planet carrier cheek 8 by means of the spring element 39.
  • the oil reservoir filling channels 29 in the inner wall 42 of the first planet carrier cheek 8 can be closed by means of the plate 36.
  • the oil reservoir filling channel 29 extends between the outer wall 41 and the inner wall 42 of the first planet carrier cheek 8.
  • the oil reservoir filling opening 30 can be arranged on the outer wall 41 of the first tarpaulin flange 8.
  • the oil collecting element 31 is fastened to the outer wall 41 of the first planet carrier cheek 8.
  • the plate 36 is so large that it completely closes the oil reservoir filling channel 29 in the closed state.
  • the spring element 39 can have only a slight spring force, since the pressure of the lubricating oil in the oil reservoir 28 acts on the plate 36 and presses it against the inner wall 42 of the first planet carrier cheek 8. The spring element 39 thus only serves to transfer the poppet valve 34 from the open to the closed state and does not need to absorb any additional loads.
  • the poppet valve 34 If there is no pressure in the oil reservoir 28 or if it is not completely filled with lubricating oil, the poppet valve 34 is displaced in the axial direction into its open position when the oil reservoir filling opening 30 is immersed in the oil sump 27 and the lubricating oil can flow into the oil reservoir 28 via the oil reservoir filling channel 29 . When the oil reservoir 28 is full or the external pressure of the lubricating oil becomes too low, the poppet valve 34 is reset to its closed position by means of the spring element 39.
  • FIG. 3 shows a further embodiment of the planetary gear pin 6, which is possibly independent on its own, again using the same reference numerals or identical parts for the same parts. Component designations as used in the previous FIGS. 1 and 2. In order to avoid unnecessary repetitions, reference is made to the detailed description in the preceding FIGS. 1 and 2 or reference.
  • FIG. 3 is constructed similarly to the embodiment of FIG. 2.
  • a diaphragm 43 is used as a check valve 33 instead of the tel valve 34.
  • the membrane 43 can also have a plate 36, which is designed analogously to the plate 36 of the plate valve 34 for closing the oil reservoir filling channel 29.
  • the plate 36 can be flexibly designed so that it can optionally release the oil reservoir filling channel 29.
  • the spring stiffness of the plate 36 can serve to guide the plate 36 back from its open position to its closed position. The spring stiffness of the plate 36 thus simultaneously acts as a spring element.
  • the plate 36 is shown in dashed lines in its open position.
  • FIG. 4 shows a further embodiment of the planet gear pin 6, which is possibly independent of its own, again using the same reference numerals or component designations for the same parts as in the previous FIGS. 1 to 3.
  • reference numerals or component designations for the same parts as in the previous FIGS. 1 to 3.
  • the check valve 33 comprises a flap 44 which, in its closed state, bears against the inner wall 42 of the planet carrier cheek 8.
  • the flap 44 can be pivoted by means of a swivel joint 45 in order to open the oil reservoir filling channel 29.
  • a spring element 39 can also be provided, which serves to bring the flap 44 into its closed position.
  • the spring element 39 can for example be designed as a torsion spring which acts directly on the flap 44.
  • All information on value ranges in the present description is to be understood in such a way that it includes any and all sub-areas, e.g. the information 1 to 10 is to be understood in such a way that all sub-areas starting from the lower limit 1 and the upper limit 10 are included, i.e. all sub-areas begin with a lower limit of 1 or greater and end with an upper limit of 10 or less, e.g. 1 to 1.7, or 3.2 to 8.1, or 5.5 to 10.
  • Planet carrier 30 oil reservoir filling opening first planet carrier cheek 31 oil collecting element
  • Oil distribution channel section first 36 plates

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Sustainable Development (AREA)
  • Sustainable Energy (AREA)
  • Combustion & Propulsion (AREA)
  • General Details Of Gearings (AREA)

Abstract

L'invention concerne un train planétaire (1) pour une éolienne. Ledit train planétaire comprend : un carter de train planétaire (11), au moins un pignon planétaire (3), au moins une couronne (10), un porte-satellites (7) présentant un premier flasque de porte-satellites (8) et un second flasque de porte-satellites (9), au moins un axe de satellite (6) qui est logé dans le porte-satellites (7), au moins un satellite (5) qui est monté sur l'axe de satellite (6), au moins un palier lisse radial de satellite (14), une surface de glissement (17), un réservoir d'huile (28) étant formé dans l'axe de satellite (6) et/ou dans le porte-satellites (7), ledit réservoir d'huile étant relié en écoulement avec au moins une partie de la surface de glissement (17) du palier lisse radial de satellite (14), le réservoir d'huile (28) étant accouplé à un conduit de remplissage de réservoir d'huile (29) qui présente un orifice de remplissage de réservoir d'huile (30) qui débouche dans un espace intérieur (26) du carter de train planétaire (11). Un clapet antiretour (33) est monté dans le conduit de remplissage du réservoir d'huile (29).
PCT/AT2019/060427 2018-12-13 2019-12-09 Train planétaire destiné à une éolienne Ceased WO2020118335A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
ATA51115/2018A AT521776B1 (de) 2018-12-13 2018-12-13 Planetengetriebe für eine Windkraftanlage
ATA51115/2018 2018-12-13

Publications (1)

Publication Number Publication Date
WO2020118335A1 true WO2020118335A1 (fr) 2020-06-18

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Application Number Title Priority Date Filing Date
PCT/AT2019/060427 Ceased WO2020118335A1 (fr) 2018-12-13 2019-12-09 Train planétaire destiné à une éolienne

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AT (1) AT521776B1 (fr)
WO (1) WO2020118335A1 (fr)

Cited By (2)

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CN118462816A (zh) * 2024-05-31 2024-08-09 格莱德精密科技(江苏)有限公司 一种润滑性能好的齿轮箱滑动轴承及其润滑方法
WO2026020764A1 (fr) * 2024-07-26 2026-01-29 中国重汽集团济南动力有限公司 Système de lubrification de train planétaire étagé et procédé de lubrification

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DE102020122212A1 (de) 2020-08-25 2022-03-03 Rolls-Royce Deutschland Ltd & Co Kg Planetengetriebe und Gasturbinentriebwerk

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WO2026020764A1 (fr) * 2024-07-26 2026-01-29 中国重汽集团济南动力有限公司 Système de lubrification de train planétaire étagé et procédé de lubrification

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