WO2015035988A1 - Palier à roulement à unité de production d'énergie - Google Patents

Palier à roulement à unité de production d'énergie Download PDF

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Publication number
WO2015035988A1
WO2015035988A1 PCT/DE2014/200349 DE2014200349W WO2015035988A1 WO 2015035988 A1 WO2015035988 A1 WO 2015035988A1 DE 2014200349 W DE2014200349 W DE 2014200349W WO 2015035988 A1 WO2015035988 A1 WO 2015035988A1
Authority
WO
WIPO (PCT)
Prior art keywords
bearing
cage
rolling bearing
rolling
permanent magnets
Prior art date
Application number
PCT/DE2014/200349
Other languages
German (de)
English (en)
Inventor
Rainer Schröder
Original Assignee
Schaeffler Technologies AG & Co. KG
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 Schaeffler Technologies AG & Co. KG filed Critical Schaeffler Technologies AG & Co. KG
Publication of WO2015035988A1 publication Critical patent/WO2015035988A1/fr

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
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C41/00—Other accessories, e.g. devices integrated in the bearing not relating to the bearing function as such
    • F16C41/004—Electro-dynamic machines, e.g. motors, generators, actuators
    • 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
    • F16C33/30—Parts of ball or roller bearings
    • F16C33/46—Cages for rollers or needles
    • F16C33/4617—Massive or moulded cages having cage pockets surrounding the rollers, e.g. machined window cages
    • F16C33/4623—Massive or moulded cages having cage pockets surrounding the rollers, e.g. machined window cages formed as one-piece cages, i.e. monoblock cages
    • 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
    • F16C33/30—Parts of ball or roller bearings
    • F16C33/46—Cages for rollers or needles
    • F16C33/48—Cages for rollers or needles for multiple rows of rollers or needles
    • 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
    • F16C33/30—Parts of ball or roller bearings
    • F16C33/58—Raceways; Race rings
    • F16C33/60—Raceways; Race rings divided or split, e.g. comprising two juxtaposed rings
    • F16C33/605—Raceways; Race rings divided or split, e.g. comprising two juxtaposed rings with a separate retaining member, e.g. flange, shoulder, guide ring, secured to a race ring, adjacent to the race surface, so as to abut the end of the rolling elements, e.g. rollers, or the cage
    • 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
    • F16C19/00—Bearings with rolling contact, for exclusively rotary movement
    • F16C19/22—Bearings with rolling contact, for exclusively rotary movement with bearing rollers essentially of the same size in one or more circular rows, e.g. needle bearings
    • F16C19/34—Bearings with rolling contact, for exclusively rotary movement with bearing rollers essentially of the same size in one or more circular rows, e.g. needle bearings for both radial and axial load
    • F16C19/38—Bearings with rolling contact, for exclusively rotary movement with bearing rollers essentially of the same size in one or more circular rows, e.g. needle bearings for both radial and axial load with two or more rows of rollers
    • 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
    • F16C23/00—Bearings for exclusively rotary movement adjustable for aligning or positioning
    • F16C23/06—Ball or roller bearings
    • F16C23/08—Ball or roller bearings self-adjusting
    • F16C23/082—Ball or roller bearings self-adjusting by means of at least one substantially spherical surface
    • F16C23/086—Ball or roller bearings self-adjusting by means of at least one substantially spherical surface forming a track for rolling elements

Definitions

  • the invention relates to a rolling bearing with an energy generating unit and a bearing assembly for rotatably supporting a roller, in particular a guide roller for paper webs.
  • a power generation unit can be structurally integrated into the rolling bearing.
  • a power generation unit can be designed, for example, as a claw-pole generator, in which permanent magnets interact with an induction coil.
  • a claw pole generator two claw rings surround an induction coil that orbits the axis of rotation of the roller bearing, the two claw rings being circumferentially offset from each other.
  • the two claw rings and the induction coil can for example be attached to a bearing ring.
  • a magnetic circle is connected via a circumferentially adjacent second claw, namely a claw of the second claw ring to a circumferentially adjacent second, unlike, magnetic pole this case a south pole, formed. If the bearing ring continues to rotate with the two claw rings, the second claw faces the north pole and the first claw a south pole, so that the direction of the magnetic circuit surrounding the induction coil reverses and a magnetic voltage is generated in the induction coil. This voltage can be removed for example via a supplied cable to the induction coil.
  • Rolling bearings with a power generation unit for example rolling bearings with a claw pole generator, are required by the practice to provide a constant and sufficiently high voltage while maintaining the standard dimensions of the rolling bearing and enabling a simple voltage decrease.
  • swing-out rolling bearings it is additionally demanded by the practice that the swing-out capability should not be significantly restricted by the integration of the energy-generating unit.
  • DE 10 201 1 075 547 A1 describes a designed as a particular double-row spherical roller bearings rolling bearing with a bearing ring, a bearing cage for receiving at least one rolling element, designed as a particular Klauenpolgenerator power generation unit with permanent magnets, wherein the magnets are integrated into a cage groove in the middle guide ring of the bearing cage and the With the two claw rings surrounded induction coil is arranged opposite the middle guide ring.
  • the integration of the permanent magnets in the middle guide ring of a standard bearing cage and the arrangement of the claw rings surrounded induction coil in the space between the two tracks is connected with complex assembly work. Furthermore, the amount of energy that can be generated is limited by an internal power generation unit, since an increase of the induction coil and / or the magnetic poles in the inner space of a roller bearing leads to shielding problems with the current flow.
  • the object of the invention is therefore, starting from a rolling bearing with a claw pole generator, to specify a rolling bearing construction with an energy generating unit, which enables a simple and cost-effective production of rolling bearings and an improvement in the provision of energy includes.
  • the standard dimensions and / or only slightly adapted standard rolling bearing components should be usable.
  • the object is achieved according to claim 1, characterized in that permanent magnets are arranged at one axial end of the bearing cage.
  • the magnetic poles and / or the induction coil can be made larger to increase energy production.
  • the permanent magnets must be shielded against two rows of rolling elements running in the circumferential direction, and the permanent magnets are therefore limited in size dimensioning in this embodiment.
  • the Pernnanentnnagnete are arranged distributed on a magnetically conductive support ring over the circumference. Such a conductive carrier ring ensures the magnetic inference between unlike magnetic poles.
  • the arrangement of the permanent magnets on a support ring enables a simple and cost-effective attachment of magnetic poles for generating electricity to a bearing cage of a rolling bearing; a complex integration of the magnetic poles in the bearing cage itself is eliminated.
  • the carrier ring is arranged on the cage board.
  • the arrangement of the carrier ring on the side cage board can, for example, coaxial friction, material or form-fitting done, such as by pressing, gluing or mounting.
  • the cage board forms the carrier ring.
  • the carrier ring assumes the function of the lateral cage board for guiding the rolling elements and furthermore fulfills the function of the carrier medium for the permanent magnets.
  • a placement of the carrier ring on the axially directed webs can again coaxial friction, fabric or form-fitting. Usual, for example, a screw or riveting.
  • a frictional, positive or cohesive mounting of the carrier ring on a cage board, or the alternative embodiment in which the cage board forms the carrier ring allows a simple and cost-effective production of a rolling bearing with power generation unit.
  • carrier rings with permanent magnets can be detached from the other rolling elements. be manufactured component components and then, with little installation effort laterally attached to the bearing cage.
  • This also makes it possible, in particular, to use standard storage cages with only a slight adaptation of the dimensions and production processes. Both solid bearing cages and multi-part bearing cages can be used.
  • Another advantage is the maintenance of the standard dimensions of rolling bearings, for example, standard outer rings can be used, so that the mounting of the bearing cage in the warehouse is easy.
  • the induction coil is arranged along an annular shoulder formed in the circumferential direction of the inner ring (coaxial with the bearing cage).
  • the induction coil in the annular shoulder can be arranged such that the adjacent raceway surface and / or the final axial end of the inner ring is flush. Therefore, for the inner ring of the bearing only small changes in the design dimensions, and thus also the standard dimensions of rolling bearings can be maintained for this purpose.
  • Another advantage is the space-saving integration of the induction coil in the rolling bearing. For rolling bearings without inner ring, the shaft can take over a corresponding function for the arrangement of the induction coil.
  • both axial ends of the bearing cage each have an induction coil and a plurality of permanent magnets.
  • the induction voltage can be increased.
  • this has advantages, as can be provided consistently over 5 watts.
  • the rolling bearing is designed as a barrel roller bearing or as a spherical roller bearing.
  • Both single-row barrel roller bearings and double-row spherical roller bearings can be designed as swing-out roller bearings.
  • the shaft with mounted inner ring, rolling elements and bearing cage with respect to the outer ring be pivoted, with the shaft / inner ring and the bearing cage keep a constant distance.
  • the air gap between an induction coil and the permanent magnet is determined by the geometry of the bearing cage and remains the same. This allows a constant supply / output of induction voltage.
  • rolling bearings are provided for rotatably supporting a roller.
  • spherical roller bearings are used for the rotatable mounting of large-building rollers.
  • One possible bearing arrangement is the rotatable mounting of the roller as a guide roller for paper webs, wherein a pressure sensor on the lateral surface of the guide roller can be acted upon energetically by the power generation unit of the rolling bearing.
  • FIG. 1 shows an axial partial section of a rolling bearing according to the invention according to an embodiment
  • FIG. FIG. 2 is a sectional view of the bearing cage of FIG. 1 .
  • FIG. 1 shows the partial axial section of a roller bearing 1, which is designed as a double-row spherical roller bearing, and comprises an inner ring 2 and an outer ring 3.
  • the inner ring 2 of the rolling bearing 1 is mounted on the shaft 7.
  • the rolling bearing 1 can rotate about the rotation axis 6.
  • Rolling bearing 1 further comprises a bearing cage 5 consisting of axially directed webs 14 (see Fig. 2), two lateral cage rims 5a, 5b and a middle cage board 5c (see Fig. 2). From the bearing cage 5 so pockets for receiving rolling elements 4 are formed and thus the rolling elements 4 out and kept at a distance.
  • FIG. 1 is a schematic representation of components of a claw pole generator for power generation.
  • the illustrated components of the claw pole generator comprise the induction coils 8a, 8b surrounded by claw rings 9a, 9b and the opposing permanent magnets 11a, 11b.
  • the permanent magnets 1 1 a, 1 1 b and the respective opposite of claw rings 9a, 9b surrounded induction coil 8a, 8b form an air gap 12a, 12b.
  • the permanent magnets 1 1 a, 1 1 b arranged at one axial end of the bearing cage. Consequently, the induction coil 8a, 8b surrounded by claw rings 9a, 9b is also arranged at the respectively same axial end. This arrangement at the axial ends of the rolling bearing 1 allows an advantageous lateral access in the assembly of the corresponding components of the claw pole generator. Furthermore, a decrease in the generated stress is easier than compared to an internal bearing construction.
  • the permanent magnets 11a, 11b are arranged distributed over the circumference on a magnetically conductive carrier ring 10a, 10b.
  • the carrier ring 10a, 10b on the one hand has the function of ensuring the magnetic inference between unlike magnetic poles.
  • the carrier ring 10a, 10b with the permanent magnets 11a, 11b can be completely manufactured or preassembled, before it can then advantageously be arranged on the bearing cage 5 from the outside. This allows, for example, a simple and cost-saving production step in the production of rolling bearings according to the invention.
  • An arrangement of the carrier ring 10a, 10b on the cage board 5a, 5b can take place here in different embodiments.
  • FIG. 2 in a sectional perspective view of the support ring 10a, 10b axially form-, friction or cohesive on Käfigbord 5a, 5b of the bearing cage 5 according to the invention.
  • This arrangement is advantageous in solid storage cages in which the cage rims 5a, 5b are part of the bearing cage.
  • a magnetically non-conductive brass solid bearing cage could be used for insulation and an arranged carrier ring to ensure the magnetic return.
  • the cage shelf may form the carrier ring.
  • the carrier ring receives an additional guide function of the cage shelf.
  • This other example is advantageous, for example, in multi-part bearing cages.
  • the webs and possibly middle Käfigborde could consist of magnetically non-conductive material and the support ring are axially arranged for example by screwing, riveting or clicking on the webs and be made of steel, for example.
  • a part of the cage serves for isolation, whereby the carrier ring ensures the magnetic inference function.
  • this shows the induction coil 8a, 8b arranged along an in the circumferential direction of the inner ring (coaxial with the bearing cage) annular shoulder 13a, 13b.
  • the induction coil 8a, 8b surrounded by claw rings 9a, 9b can in this case terminate flush with the adjacent raceway surface (not illustrated in FIG. 1) and / or the terminating axial end of the inner ring 2 (illustrated in FIG.
  • This also allows the advantageous space utilization of the rolling bearing.
  • roller bearings with only one side cage board, for example, an axial end of the bearing cage of the bearing remain open for ease of lubrication or other reasons.
  • the claw Polgenerator only at one axial end a unit consisting of a plurality of permanent magnets and an inductive coil surrounded by claw rings.
  • roller bearings and the associated bearing cages with any number of rows for receiving rolling elements.
  • An example of a single-row roller bearing is the barrel roller bearing.
  • FIGs. 1 and 2 is spoken by a Klauenpolgenerator with at least one unit, but also possible two units consisting of a plurality of permanent magnets and induction coil. It is understood that, according to the invention, a separate claw-pole generator, each having a unit consisting of a plurality of permanent magnets and an induction coil, can also be present at each axial end.
  • the rolling bearing according to the invention can also be advantageously used as a bearing assembly for rotatably supporting a roller.
  • the roller can be, for example, a guide roller for paper webs.

Abstract

L'invention concerne un palier à roulement (1), comprenant une bague interne (2), une bague externe (3), une cage de roulement (5), la cage de roulement (5) présentant des entretoises orientées axialement et au moins un bord de cage (5a, 5b) annulaire, les entretoises formant des poches pour recevoir les corps de roulement (4), ainsi que des aimants permanents (11a, 11b) qui coopèrent avec une bobine d'induction (8a, 8b). Le palier à roulement (1) selon l'invention se caractérise en ce que les aimants permanents (11a, 11b) sont disposés à une extrémité axiale de la cage de roulement (5).
PCT/DE2014/200349 2013-09-11 2014-07-25 Palier à roulement à unité de production d'énergie WO2015035988A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102013218184.1 2013-09-11
DE102013218184.1A DE102013218184A1 (de) 2013-09-11 2013-09-11 Wälzlager mit Energieerzeugungseinheit

Publications (1)

Publication Number Publication Date
WO2015035988A1 true WO2015035988A1 (fr) 2015-03-19

Family

ID=51421773

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/DE2014/200349 WO2015035988A1 (fr) 2013-09-11 2014-07-25 Palier à roulement à unité de production d'énergie

Country Status (2)

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DE (1) DE102013218184A1 (fr)
WO (1) WO2015035988A1 (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102019204973A1 (de) * 2019-04-08 2020-10-08 Aktiebolaget Skf Pendelrollenlager
DE102019207643A1 (de) * 2019-05-24 2020-11-26 Aktiebolaget Skf Wälzlagerkäfig

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6343019A (ja) * 1986-08-07 1988-02-24 Koyo Seiko Co Ltd 横置型軸受装置
DE102008035717A1 (de) * 2008-07-30 2010-02-04 Schaeffler Kg Wälz-oder Gleitlager mit integrierter Energieerzeugungseinheit
DE102011075547A1 (de) 2011-05-10 2012-11-15 Schaeffler Technologies AG & Co. KG Wälzlager, insbesondere zweireihiges Wälzlager, mit einer Energieerzeugungseinheit, insbesondere zur Lagerung einer Walze
DE102012202522A1 (de) * 2012-02-20 2013-08-22 Schaeffler Technologies AG & Co. KG Sensorlager

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DD41196A (fr) * 1900-01-01
JP2001349328A (ja) * 2000-06-06 2001-12-21 Railway Technical Res Inst 転がり軸受、回転角計測方法および機構
GB2420182B (en) * 2001-11-16 2006-07-19 Nsk Europ Ltd Wheel bearing incorporating sensing arrangements
CN101156074B (zh) * 2005-02-01 2010-05-26 蒂姆肯公司 具有安装在保持架上的传感器的轴承
DE102010018472A1 (de) * 2009-07-03 2011-01-05 Schaeffler Technologies Gmbh & Co. Kg Lager mit Energieerzeugungseinheit
DE102010021160A1 (de) * 2010-05-21 2011-11-24 Schaeffler Technologies Gmbh & Co. Kg Wälzlager mit integriertem Generator
DE102011075548B4 (de) * 2011-05-10 2015-12-17 Schaeffler Technologies AG & Co. KG Lager mit einer Energieerfassungseinheit, insbesondere Pendelrollen-Lager zur Lagerung einer Walze
DE102011079081A1 (de) * 2011-07-13 2013-01-17 Schaeffler Technologies AG & Co. KG Lager mit Energieerzeugungseinheit
DE102012200774A1 (de) * 2012-01-20 2013-07-25 Aktiebolaget Skf Wälzlagereinheit

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6343019A (ja) * 1986-08-07 1988-02-24 Koyo Seiko Co Ltd 横置型軸受装置
DE102008035717A1 (de) * 2008-07-30 2010-02-04 Schaeffler Kg Wälz-oder Gleitlager mit integrierter Energieerzeugungseinheit
DE102011075547A1 (de) 2011-05-10 2012-11-15 Schaeffler Technologies AG & Co. KG Wälzlager, insbesondere zweireihiges Wälzlager, mit einer Energieerzeugungseinheit, insbesondere zur Lagerung einer Walze
DE102012202522A1 (de) * 2012-02-20 2013-08-22 Schaeffler Technologies AG & Co. KG Sensorlager

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