WO2015012337A1 - Palier à roulement à dispositif d'étanchéité - Google Patents

Palier à roulement à dispositif d'étanchéité Download PDF

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Publication number
WO2015012337A1
WO2015012337A1 PCT/JP2014/069522 JP2014069522W WO2015012337A1 WO 2015012337 A1 WO2015012337 A1 WO 2015012337A1 JP 2014069522 W JP2014069522 W JP 2014069522W WO 2015012337 A1 WO2015012337 A1 WO 2015012337A1
Authority
WO
WIPO (PCT)
Prior art keywords
outer ring
ring
sealing device
rolling bearing
bearing
Prior art date
Application number
PCT/JP2014/069522
Other languages
English (en)
Japanese (ja)
Inventor
洋平 柏倉
マレー アンダーソン
Original Assignee
日本精工株式会社
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 日本精工株式会社 filed Critical 日本精工株式会社
Priority to JP2015600087U priority Critical patent/JP3200253U/ja
Priority to DE212014000158.7U priority patent/DE212014000158U1/de
Priority to CN201490000921.1U priority patent/CN205478944U/zh
Priority to BR212016001335U priority patent/BR212016001335U2/pt
Publication of WO2015012337A1 publication Critical patent/WO2015012337A1/fr
Priority to AU2016100062A priority patent/AU2016100062A4/en

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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
    • 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
    • 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
    • F16C33/72—Sealings
    • F16C33/76—Sealings of ball or roller bearings
    • 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
    • F16C33/72—Sealings
    • F16C33/76—Sealings of ball or roller bearings
    • F16C33/78—Sealings of ball or roller bearings with a diaphragm, disc, or ring, with or without resilient members
    • 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
    • F16C33/72—Sealings
    • F16C33/76—Sealings of ball or roller bearings
    • F16C33/78—Sealings of ball or roller bearings with a diaphragm, disc, or ring, with or without resilient members
    • F16C33/7803—Sealings of ball or roller bearings with a diaphragm, disc, or ring, with or without resilient members suited for particular types of rolling bearings
    • F16C33/7806—Sealings of ball or roller bearings with a diaphragm, disc, or ring, with or without resilient members suited for particular types of rolling bearings for spherical roller bearings
    • 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
    • F16C33/72—Sealings
    • F16C33/76—Sealings of ball or roller bearings
    • F16C33/78—Sealings of ball or roller bearings with a diaphragm, disc, or ring, with or without resilient members
    • F16C33/7816—Details of the sealing or parts thereof, e.g. geometry, material
    • F16C33/783—Details of the sealing or parts thereof, e.g. geometry, material of the mounting region
    • 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
    • F16C33/72—Sealings
    • F16C33/76—Sealings of ball or roller bearings
    • F16C33/78—Sealings of ball or roller bearings with a diaphragm, disc, or ring, with or without resilient members
    • F16C33/7886—Sealings of ball or roller bearings with a diaphragm, disc, or ring, with or without resilient members mounted outside the gap between the inner and outer races, e.g. sealing rings mounted to an end face or outer surface of a race
    • 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
    • F16C33/72—Sealings
    • F16C33/76—Sealings of ball or roller bearings
    • F16C33/78—Sealings of ball or roller bearings with a diaphragm, disc, or ring, with or without resilient members
    • F16C33/7889—Sealings of ball or roller bearings with a diaphragm, disc, or ring, with or without resilient members mounted to an inner race and extending toward the outer race
    • 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
    • F16C33/72—Sealings
    • F16C33/76—Sealings of ball or roller bearings
    • F16C33/80—Labyrinth sealings
    • 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
    • F16C2226/00—Joining parts; Fastening; Assembling or mounting parts
    • F16C2226/50—Positive connections
    • F16C2226/60—Positive connections with threaded parts, e.g. bolt and nut connections
    • 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
    • F16C33/72—Sealings
    • F16C33/76—Sealings of ball or roller bearings
    • F16C33/768—Sealings of ball or roller bearings between relatively stationary parts, i.e. static seals

Definitions

  • the present invention relates to a rolling bearing with a sealing device.
  • the present invention has been made in view of the above circumstances, and can improve the maintainability and can be used at a position where the bearing needs to be movable in the axial direction or at a free side position.
  • An object of the present invention is to provide a rolling bearing with a sealing device.
  • the seal holder has a fixing member hole in the axial direction, and the seal holder is fixed to the axial end of the inner ring or the outer ring by a fixing member through the fixing member hole.
  • the fixing member hole is a bolt insertion hole, and the fixing member is a bolt.
  • the rolling bearing with a sealing device according to (1) wherein the seal holder is fastened and fixed to an axial end portion of the inner ring or the outer ring by the bolt inserted through the bolt insertion hole.
  • the outer member constituted by the outer ring, a pair of the seal holders fixed to both axial ends of the outer ring, and the inner member constituted by the inner ring have the same axial width.
  • the inner member constituted by the outer member constituted by the outer ring, the inner ring, and the pair of seal holders fixed to both axial ends of the inner ring have the same axial width.
  • the rolling bearing is a self-aligning rolling bearing
  • the raceway surface of the outer ring is provided as a spherical concave surface having a single center on the inner peripheral surface of the outer ring
  • the inner ring raceway surface is provided in two rows on the outer circumferential surface of the inner ring so as to face the outer ring raceway surface
  • the sealing device according to any one of (1) to (5), wherein the plurality of rollers are spherical rollers provided in two rows so as to be freely rollable between the raceway surfaces of the inner ring and the outer ring. Rolling bearing with.
  • the rolling bearing with a sealing device of the present invention it is possible to improve the maintainability, and it is possible to use the bearing at a position where it is necessary to be able to move in the axial direction or at a free side position.
  • the self-aligning roller bearing 100 has, for example, an outer diameter of 540 mm, an inner diameter of 320 mm, and a width of 176 m, and a spherical roller is interposed between the inner ring 11 and the outer ring 12.
  • a plurality of 13 and 13 are arranged in two rows. The spherical rollers 13 in each row are held at a constant circumferential interval by an integrated machined cage (hereinafter also simply referred to as a cage) 16.
  • the inner ring 11 is provided with two rows of raceway grooves 11a and 11a on the outer peripheral surface 11c, and raceway surfaces 11b and 11b are formed at the groove bottoms of these raceway grooves 11a and 11a.
  • An inner peripheral surface 11f of the inner ring 11 is formed in a tapered shape.
  • the outer ring 12 has a raceway surface 12 a which is a spherical concave surface on the inner peripheral surface, and the center of curvature of the raceway surface 12 a coincides with the center of the self-aligning roller bearing 10. Mind is secured.
  • an injection hole 12b for injecting a lubricant such as grease is formed in at least one place in the circumferential direction so as to penetrate the outer ring 12.
  • the spherical rollers 13 arranged in each row have a barrel-shaped rolling surface 13a and roll between the raceway surface 11b of the inner ring 11 and the raceway surface 12a of the outer ring 12.
  • the cage 16 is a machined cage that is made of metal and manufactured by shaving, and is used for outer ring guidance.
  • the retainer 16 includes an annular ring-shaped body 16a extending along the circumferential direction at the center between the raceway surfaces 11b, 11b, and 12a, and axially spaced from each other on both sides of the ring-shaped body 16a. And a plurality of column portions 16b, 16b provided so as to protrude.
  • a plurality of pockets are formed along the circumferential direction of the cage 16 by the axial side surface of the annular body 16 a and the adjacent column portions 16 b and 16 b. Each pocket of the cage 16 is formed so as to be shifted by a half pitch in the circumferential direction between the roller rows.
  • the cage 16 configured in this way forms the respective roller rows on both sides of the annular body 16a by independently accommodating the respective rows of spherical rollers 13 in the respective pockets, and each spherical surface of each roller row.
  • the rollers 13 are held so as to be freely rollable at regular intervals along the circumferential direction. Further, the spherical rollers 13 in each row are arranged alternately with the annular body 16a interposed therebetween.
  • the sealing device 20 includes: a seal holder 21 fixed to the axial end surface 12d of the outer ring 12; and a seal 26 covering a cored bar 25 press-fitted into an annular groove 24 formed on the inner peripheral side of the seal holder 21. It is configured.
  • the core metal 25 has a substantially L-shaped cross section and has a substantially cylindrical shape extending inward in the radial direction. Further, the outer diameter side end portion of the cored bar 25 extends radially outward so as to be sandwiched between the seal holder 21 and the axial end surface 12 d of the outer ring 12 by the annular groove 24.
  • the seal 26 is formed of an elastic body such as rubber, and similarly extends radially inward along the cored bar 25.
  • the seal 26 is reinforced by a ring 29 at a waist portion bent inward in the axial direction in the vicinity of the outer peripheral surface 11c of the inner ring 11, and has a lip portion 28 bent outward in the axial direction at an end portion on the radially inner side.
  • a tightening spring 27 is fitted on the outer peripheral side of the lip portion 28.
  • the lip portion 28 is in sliding contact with the outer peripheral surface 11c of the inner ring 11, so that the bearing space is sealed, so that liquid and foreign matter can be prevented from entering from the outside, and the lubricant enclosed in the bearing space can be prevented from flowing out. Can do.
  • the seal holder 21 is formed with a plurality of bolt insertion holes 22 provided at substantially equal intervals in the circumferential direction, and the outer ring 12 is formed with a plurality of bolt holes 12e opened in the axial end surface 12d. ing.
  • the seal holder 21 is fastened and fixed to the outer ring 12 by inserting and screwing the bolts 23 into the bolt insertion holes 22 and the bolt holes 12e. With this configuration, the seal holder 21 is firmly fixed in the axial direction to the outer ring 12 and thus to the self-aligning roller bearing 100, so that it is not necessary to use a bearing retainer.
  • the structure can be simplified, and the self-aligning roller bearing 100 can be used while maintaining the sealing performance even at the free side position of the device or at a position where the bearing needs to be movable in the axial direction. It becomes.
  • the head of the bolt 23 is embedded in the seal holder 21 and does not protrude from the outer end surface in the axial direction of the seal holder 21, there is no need for a separate process for releasing the head of the bolt 23 in the housing.
  • a similar housing structure can be employed. Note that the axial end surface 12d of the outer ring 12 and the end surface of the seal holder 21 facing the axial end surface 12d are formed in steps on the radially outer side of the position where the bolt 23 is inserted.
  • This step is used to align the sealing device 20 with the bearing.
  • the seal holder 21 may not be arranged concentrically with the outer ring 12, and as a result, the seal pressing force is not maintained in a certain range in the circumferential direction, and the sealing performance is improved. May be reduced. For this reason, the sealing performance can be ensured by arranging the seal holder 21 and the outer ring 12 concentrically by the step.
  • the inner peripheral surface 11f of the inner ring 11 is formed in a tapered shape.
  • the sealing device 20 can be easily removed by removing the bolts 23. Therefore, the bearing clearance is measured for the purpose of confirming the mounting state of the bearing before use. It becomes possible. By pushing the bearing in the axial direction so that the measured value of the bearing clearance is an appropriate value, it is possible to install the bearing properly and to improve the maintainability.
  • the sealing device 20 can be easily removed by removing the bolt 23. Therefore, even during use, additional sealing of lubricant and confirmation of the bearing state can be performed. Such maintenance can be easily performed. Further, since the position of the seal 26 is fixed by fixing the seal holder 21, the sealing performance can be further improved.
  • At least one surface layer of the inner ring 11, the outer ring 12, and the spherical roller 13 is preferably formed of a carburized or carbonitrided material having a retained austenite amount ( ⁇ R vol%) of 20 to 45 vol%. .
  • at least one surface layer of the inner ring 11, the outer ring 12, and the spherical roller 13 has a retained austenite amount ( ⁇ R vol%) of 20 to 45 vol%, C; 0.1 to 1.2 wt%, Cr; 1
  • the surface hardness (Hv) of the surface layer that has been carburized or carbonitrided with Mo of 2.0% by weight or less and 1/3 or more of the Cr content.
  • At least one surface layer of the inner ring 11, the outer ring 12, and the spherical roller 13 has a retained austenite amount ( ⁇ R vol%) of 20 to 45 vol%, C; 0.1 to 1.2 wt%, Cr; 1
  • the surface layer of at least one of the inner ring 11, the outer ring 12 and the spherical roller 13 With these materials, the durability of the self-aligning roller bearing 100 can be further improved and the life can be extended.
  • these materials are desirably used for any of the surface layers of the inner ring 11, the outer ring 12, and the spherical roller 13, it is possible to obtain a sufficient effect even when used only in a portion that is easily damaged. For example, when the self-aligning roller bearing 100 is rotating the outer ring, these materials may be used only for the surface layer of the inner ring 11.
  • carbon steel for example, S25C, S45C
  • the outer ring 12 and the pair of seal holders 21 fixed to the both axial ends of the outer ring 12 constitute an outer member
  • the inner ring 11 constitutes an inner member.
  • the axial widths of the outer member and the inner member are designed to have the same dimensions. Thereby, it becomes easy to incorporate in a housing and a shaft, and the handleability as a rolling bearing is improved.
  • the sealing device 20 can be easily removed even after the bearing is mounted. This makes it possible to more easily perform maintenance such as checking the state of the bearing in use and adding additional grease, and to measure the bearing clearance before and during use in order to check the mounting state of the bearing. . Further, according to the self-aligning roller bearing 100 with the sealing device of the present embodiment, the bearing can be used at a position where the bearing needs to be movable in the axial direction or at a free position.
  • the self-aligning roller bearing 200 further includes an O-ring 30 between the axial end surface 12 d of the outer ring 12 and the opposing axial end surface of the seal holder 21.
  • the O-ring 30 is disposed on the radially inner side than the bolt 23.
  • the tightening force of the seal 26 is preferably 10 to 100 N, and more preferably 30 to 80 N.
  • the annular groove 12 f that accommodates the O-ring 30 is formed on the axial end surface 12 d of the outer ring 12 that can easily secure a space.
  • the annular groove 12f is formed only on the axial end surface 12d of the outer ring 12, in the case of heavy load, there is a possibility that the generation range of stress received by the rollers from the outer ring raceway surface reaches the annular groove 12f. Therefore, as shown in FIG. 3, the O-ring 30 is disposed in the annular grooves 12f and 21a formed on the axial end surfaces of both the outer ring 12 and the seal holder 21, and the stress does not reach the annular groove 12f. You may do it. If the problem of space restriction can be solved, from the above viewpoint, the O-ring 30 is ideally disposed only in the annular groove 21a formed in the axial end surface of the seal holder 21, as shown in FIG. It is.
  • the self-aligning roller bearing 300 includes a seal holder 41 fixed to the axial end surface 11 d of the inner ring 11, and an annular shape formed on the inner peripheral side of the seal holder 41. And a seal 46 press-fitted into the groove 44.
  • the seal 46 is formed of an elastic body such as rubber, and has a lip portion 48 that is in sliding contact with the inner peripheral surface 12c of the outer ring 12 at the outer diameter side end portion.
  • the lip portion 48 is in sliding contact with the inner peripheral surface 12c of the outer ring 12 to seal the bearing space, so that liquid and foreign matter can be prevented from entering from the outside, and the lubricant enclosed in the bearing space can be prevented from flowing out. be able to. According to such a configuration, since the conventional outer ring 12 can be used, the manufacturing cost can be reduced.
  • the inner ring 11 and the pair of seal holders 41 fixed to the both axial ends of the inner ring 11 constitute an inner member
  • the outer ring 12 constitutes an outer member
  • the axial widths of the outer member and the inner member are designed to have the same dimensions.
  • the present invention is not limited to the above-described embodiment, and can be changed or improved as appropriate.
  • the inner peripheral surface 11f of the inner ring 11 is formed in a tapered shape, but the inner peripheral surface 11f may be formed in a cylindrical shape.
  • the bolts 23 and 43 may be impregnated with an adhesive.
  • the sealing device in the embodiment described above can be attached to both ends of a bearing other than the self-aligning roller bearing, for example, a cylindrical roller bearing, a tapered roller bearing, or a combination bearing in which two or more of the above-described bearings are combined.
  • a bearing other than the self-aligning roller bearing for example, a cylindrical roller bearing, a tapered roller bearing, or a combination bearing in which two or more of the above-described bearings are combined.
  • the rolling bearing with a sealing device according to the present invention can be used not only on the free side of industrial machines, for example, mining equipment machines, but also on the fixed side.
  • the configuration of the seal can be applied to any one of the outer ring and the inner ring, and can have a cored bar and an elastic body as in the first and second embodiments. Alternatively, it may be constituted by an elastic body without a cored bar.
  • the fixing member hole of the present invention is not limited to the bolt insertion hole of the present embodiment, and the fixing member of the present invention is not limited to the bolt of the present embodiment.
  • the fixing member may be a member for fixing the seal holder to the axial end portion of the inner ring or the outer ring through the fixing member hole.
  • the present invention is based on a Japanese patent application (Japanese Patent Application No. 2013-156001) filed on July 26, 2013, the contents of which are incorporated herein by reference.

Abstract

La présente invention concerne un palier à roulement à alignement automatique comportant un dispositif d'étanchéité (100) qui est doté : d'une bague intérieure (11) comportant deux surfaces de chemin sur la surface circonférentielle externe ; d'une bague extérieure (12) comportant une surface de chemin, qui consiste en une surface sphériquement concave, sur la surface circonférentielle interne ; de rouleaux (13) multiples disposés en deux rangées entre les surfaces de chemin respectives de la bague intérieure (11) et de la bague extérieure (12) de façon à rouler librement ; et d'un dispositif d'étanchéité comportant des supports de joint (21) fixés sur les bords de la bague intérieure (11) ou de la bague extérieure (12) dans la direction axiale et des joints (26) qui sont montés sur lesdits supports de joint (21). Les supports de joint (21) présentent des orifices d'insertion de boulon (22) dans la direction axiale et les supports de joint (21) sont boulonnés sur les bords de la bague intérieure (11) ou de la bague extérieure (12) dans la direction axiale à travers les orifices d'insertion de boulon (22). Par conséquent, il est non seulement possible d'améliorer la maintenance, mais également d'utiliser le palier dans une position dans laquelle le palier doit pouvoir se déplacer dans la direction axiale ou dans une position latérale libre.
PCT/JP2014/069522 2013-07-26 2014-07-24 Palier à roulement à dispositif d'étanchéité WO2015012337A1 (fr)

Priority Applications (5)

Application Number Priority Date Filing Date Title
JP2015600087U JP3200253U (ja) 2013-07-26 2014-07-24 密封装置付き転がり軸受
DE212014000158.7U DE212014000158U1 (de) 2013-07-26 2014-07-24 Wälzlager mit Dichtungseinrichtung
CN201490000921.1U CN205478944U (zh) 2013-07-26 2014-07-24 带密封装置的滚动轴承
BR212016001335U BR212016001335U2 (pt) 2013-07-26 2014-07-24 mancal de rolamento com dispositivo de vedação
AU2016100062A AU2016100062A4 (en) 2013-07-26 2016-01-25 Rolling bearing with sealing device

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2013156001 2013-07-26
JP2013-156001 2013-07-26

Related Child Applications (1)

Application Number Title Priority Date Filing Date
AU2016100062A Division AU2016100062A4 (en) 2013-07-26 2016-01-25 Rolling bearing with sealing device

Publications (1)

Publication Number Publication Date
WO2015012337A1 true WO2015012337A1 (fr) 2015-01-29

Family

ID=52393371

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2014/069522 WO2015012337A1 (fr) 2013-07-26 2014-07-24 Palier à roulement à dispositif d'étanchéité

Country Status (6)

Country Link
JP (1) JP3200253U (fr)
CN (1) CN205478944U (fr)
AU (1) AU2016100062A4 (fr)
BR (2) BR212016001335U2 (fr)
DE (1) DE212014000158U1 (fr)
WO (1) WO2015012337A1 (fr)

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CN105650123A (zh) * 2016-03-11 2016-06-08 如皋市非标轴承有限公司 一种汽车转向桥用推力轴承
CN110081075A (zh) * 2018-01-25 2019-08-02 斯凯孚公司 自调心滚子轴承
WO2023225880A1 (fr) * 2022-05-25 2023-11-30 进发轴承有限公司 Roulement à billes à rainure profonde présentant une bonne performance d'étanchéité

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102018101879A1 (de) * 2018-01-29 2019-08-01 Schaeffler Technologies AG & Co. KG Pendelrollenlager
CN108626242A (zh) * 2018-07-16 2018-10-09 洛阳Lyc轴承有限公司 一种双侧带密封的调心滚子轴承
CN109307014A (zh) * 2018-11-27 2019-02-05 瓦房店轴承集团国家轴承工程技术研究中心有限公司 带有覆合式隔圈的圆锥滚子轴承
DE102020118645B4 (de) * 2020-07-15 2022-02-17 Schaeffler Technologies AG & Co. KG Lagerring mit Dichtscheibe
CN113323961A (zh) * 2021-06-02 2021-08-31 丽水市凯盛轴承有限公司 一种探入式轴承密封组件

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WO2023225880A1 (fr) * 2022-05-25 2023-11-30 进发轴承有限公司 Roulement à billes à rainure profonde présentant une bonne performance d'étanchéité

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BR212016001335U2 (pt) 2018-11-06
CN205478944U (zh) 2016-08-17
JP3200253U (ja) 2015-10-15
DE212014000158U1 (de) 2016-02-25
BR202016001335U2 (pt) 2018-07-17

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