WO2005095811A1 - 軸受装置の組立方法 - Google Patents
軸受装置の組立方法 Download PDFInfo
- Publication number
- WO2005095811A1 WO2005095811A1 PCT/JP2005/006074 JP2005006074W WO2005095811A1 WO 2005095811 A1 WO2005095811 A1 WO 2005095811A1 JP 2005006074 W JP2005006074 W JP 2005006074W WO 2005095811 A1 WO2005095811 A1 WO 2005095811A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- inner shaft
- annular
- outer ring
- annular seal
- bearing device
- Prior art date
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C43/00—Assembling bearings
- F16C43/04—Assembling rolling-contact bearings
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60B—VEHICLE WHEELS; CASTORS; AXLES FOR WHEELS OR CASTORS; INCREASING WHEEL ADHESION
- B60B27/00—Hubs
- B60B27/001—Hubs with 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
- 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
- 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
- F16C19/383—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 with tapered rollers, i.e. rollers having essentially the shape of a truncated cone
- F16C19/385—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 with tapered rollers, i.e. rollers having essentially the shape of a truncated cone with two rows, i.e. double-row tapered roller bearings
- F16C19/386—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 with tapered rollers, i.e. rollers having essentially the shape of a truncated cone with two rows, i.e. double-row tapered roller bearings in O-arrangement
-
- 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
- F16C33/7813—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 tapered 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
- F16C33/7869—Sealings of ball or roller bearings with a diaphragm, disc, or ring, with or without resilient members mounted with a cylindrical portion to the inner surface of the outer race and having a radial portion extending inward
- F16C33/7873—Sealings of ball or roller bearings with a diaphragm, disc, or ring, with or without resilient members mounted with a cylindrical portion to the inner surface of the outer race and having a radial portion extending inward with a single sealing ring of generally L-shaped cross-section
- F16C33/7876—Sealings of ball or roller bearings with a diaphragm, disc, or ring, with or without resilient members mounted with a cylindrical portion to the inner surface of the outer race and having a radial portion extending inward with a single sealing ring of generally L-shaped cross-section with sealing lips
-
- 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
- F16C43/00—Assembling bearings
- F16C43/04—Assembling rolling-contact bearings
- F16C43/045—Mounting or replacing seals
-
- 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
- F16C2326/00—Articles relating to transporting
- F16C2326/01—Parts of vehicles in general
- F16C2326/02—Wheel hubs or castors
-
- 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
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T29/00—Metal working
- Y10T29/49—Method of mechanical manufacture
- Y10T29/49636—Process for making bearing or component thereof
-
- 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
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T29/00—Metal working
- Y10T29/49—Method of mechanical manufacture
- Y10T29/49636—Process for making bearing or component thereof
- Y10T29/49643—Rotary bearing
-
- 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
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T29/00—Metal working
- Y10T29/49—Method of mechanical manufacture
- Y10T29/49826—Assembling or joining
- Y10T29/4984—Retaining clearance for motion between assembled parts
Definitions
- the present invention relates to a method for erecting a double-row tapered roller bearing device (hereinafter, referred to as a bearing device).
- Patent Document 1 discloses a bearing device that rotatably supports a wheel with respect to a vehicle body.
- first, the first tapered roller located on the flange portion side of the inner shaft and the first cage are assembled.
- the first tapered roller 4 held by the first cage 6 is arranged on the track la of the outer ring 1, and the annular seal 8 is attached to the end of the outer ring 1.
- the inner shaft 2 is inserted into the inner peripheral side of the outer ring 1 with the first tapered roller 4 and the first retainer 6 held on the track la of the outer ring 1.
- the first tapered roller 4 and the first cage 6 are assembled between the track 2a of the inner shaft 2 and the track la of the outer ring 1.
- the first tapered roller 4 and the first cage 6 are firstly moved along the inner shaft 2
- Patent Document 2 As a method of attaching an annular seal to an end of an outer ring, a support member is protruded from a side of a base supporting an upright inner shaft, and the support member is used to form an annular seal. A method of supporting several places in the circumferential direction has been considered.
- Patent Document 1 Japanese Patent Application Laid-Open No. 2003-56570
- Patent Document 2 Japanese Patent Application Laid-Open No. 2000-94902
- the annular seal may be attached to the outer ring in an inclined or distorted form.
- the flange of the inner shaft needs to be formed with a hole or an opening for passing the support member, and the flange of the inner shaft has a disk-like shape without a hole. In some cases, it cannot be implemented.
- a method of assembling a bearing device includes a track on one outer peripheral surface in the axial direction and a flange portion on one outer peripheral surface in the axial direction from the track.
- An inner ring an outer ring which is arranged to be pushed into the inner shaft from the other side in the axial direction and has a track on the inner peripheral surface opposed to the track at the position of the inner shaft;
- the tapered roller and the retainer of the tapered roller are arranged on the track of the inner shaft,
- a second shaft forming an inner shaft assembly including the annular seal, the tapered rollers, and the retainer;
- annular spacer which not only allows the tapered rollers to be dropped but also can be assembled with the retainer, is used as a member for receiving the annular seal, and the outer ring is pressed against the annular seal.
- the annular seal can be easily attached to the end of the outer ring. After installation of the annular seal, the annular spacer can be divided and removed from the bearing device.
- annular spacer can be used repeatedly each time the bearing device is assembled, an increase in cost can be suppressed.
- annular seal a general annular seal mounted on the outer ring can be used, and it is not necessary to use expensive annular seals and cages with a special structure, so that cost increase can be suppressed from this point as well. .
- annular seal Since the entire circumference of the annular seal can be supported by the annular spacer, the annular seal is fitted to the outer ring with substantially equal force over the entire circumference, and the annular seal is mounted in an inclined or distorted state. The danger of being lost is reduced.
- annular spacer Due to its structure, the annular spacer can be split and removed radially outward after the annular seal is installed. Therefore, even when the flange portion of the inner shaft has a shape without a hole and an open portion, such as a disk shape, an annular spacer can be used.
- annular seal having a special structure or a ring on the flange portion side of the inner shaft without using a retainer, the assembly of the roller and the retainer, and the attachment of the annular seal to the outer ring can be performed. It is possible to assemble the bearing device at substantially the same cost as in the past.
- FIG. 1 is an axial sectional view of a bearing device for describing an assembly process of the bearing device of the present invention.
- FIG. 2 is an axial sectional view of the bearing device in an assembly step subsequent to that of FIG. 1;
- FIG. 3 is an axial sectional view of the bearing device in an assembly step subsequent to that of FIG. 2;
- FIG. 4 is an enlarged sectional view of a part of FIG.
- FIG. 5 is a perspective view of an annular spacer used in the process of FIG. 3.
- FIG. 6 is an axial cross-sectional view of the bearing device in an assembly step subsequent to FIG. 3.
- FIG. 7 is an axial sectional view of the bearing device after completion of standing.
- FIG. 9 is an axial cross-sectional view of a bearing device according to a conventional aa standing method.
- FIG. 10 is an axial sectional view of a bearing device according to another conventional assembling method.
- FIGS. 1 to 7 are cross-sectional views along the axial direction of the bearing device in different assembled states.
- FIG. 4 is an enlarged sectional view of a part shown in FIG.
- FIG. 5 is a perspective view of an annular spacer used in the process of FIG.
- FIG. 7 is an axial sectional view of the bearing device after assembly is completed.
- the bearing device includes an outer ring 1 having tracks la and lb, an inner ring 2 having a track 2a and an outer ring 1 coaxially arranged, a track 2a of the inner shaft 2 at one end of the inner shaft 2 and an outer ring 1 orbit of la
- a first tapered roller 4 interposed between the first retainer 6 and the inner race 3 having a raceway 3a and externally fitted to the small diameter portion 22 on the other end side of the inner shaft 2; and a raceway lb of the outer race 1
- a second tapered roller 5 disposed between the inner ring 3 and a track 3b of the inner ring 3 via a second retainer 7.
- Annular seals 8 and 9 are provided between one end of the outer race 1 and the inner shaft 2 and between the other end of the outer race 1 and the inner race 3, respectively.
- the inner shaft 2 has a wheel mounting flange portion 21 on one end side and a small diameter portion 22 on the other end side.
- the inner ring 3 is fixed to the inner shaft 2 as follows. After the inner ring 3 is pressed into the small-diameter portion 22 of the inner shaft 2, the end 22a of the small-diameter portion 22 is pressed outward, or a nut is screwed into the end of the small-diameter portion 22. The inner ring 3 is fixed to the inner shaft 2.
- the first annular seal 8 is configured such that an elastic portion 81 is fixed to an annular core 82.
- the elastic portion 81 includes an axial lip 81a, a main radial lip 81b, and a sub radial lip 81c.
- the first annular seal 8 is fitted and attached to the inner peripheral surface of the end of the outer race 1.
- the first annular seal 8 attached to the outer ring 1 has its axial lip 81a slidably in contact with the inner side surface of the flange portion 21 of the inner shaft 2, and its main and sub radial lips 81b and 81c have the flange portion 21 of the inner shaft 2 side. Sliding contact with the outer peripheral surface of
- the first annular seal 8 is arranged on the outer peripheral surface of the inner shaft 2 on the flange 21 side.
- the axial lip 81a of the first annular seal 8 contacts the inner side surface 21a of the flange portion 21 of the inner shaft 2, and the radial lips 81b, 81c contact the outer peripheral surface 2b of the inner shaft 2.
- the assembled first tapered roller 4 and the first cage 6 are internally assembled as shown in FIG. It is arranged on the outer circumference of the track 2a of the shaft 2.
- the inner shaft 2, the first annular seal 8, the first tapered roller 4, and the first cage 6 are arranged by the disposing operation of the first annular seal 8, the first tapered roller 4, and the first cage 6 described above.
- An inner frame solid Kn composed of is formed.
- the first cage 6 When assembling the first tapered roller 4 and the first cage 6, the first cage 6 is set in a posture in which its axial direction is vertical and its large-diameter portion is on the upper side. 1 Holder 6 has Insert the first tapered roller 4 into each of multiple pockets in the circumferential direction from the inner diameter side
- the first cage 6 in which the first tapered roller 4 is incorporated is used. With its axial direction vertical and its large diameter part facing upward. Further, the inner shaft 2 is oriented such that its axial direction is vertical and the flange portion 21 is on the upper side. In this state, the inner shaft 2 with the flange portion 21 facing upward is inserted into the inner circumferential side of the first cage 6 with an upward force. Thereby, the first tapered roller 4 and the first cage 6 are arranged on the outer circumference of the track 2a of the inner shaft 2.
- the first tapered roller 4 is received by the trajectory 2a of the inner shaft 2 located on the inner peripheral side thereof. Furthermore, the first retainer 6 has a general structure that retains the first tapered roller 4 so as not to come off to the outer diameter side. Therefore, the first tapered roller 4 does not fall out of the first cage 6. Therefore, it is possible to perform operations such as changing the direction of the inner shaft assembly Kn in a state where the first tapered roller 4 does not fall off.
- the outer ring 1 is arranged so that its axial direction is vertical and its track la is downward, and then the outer ring 1 in that state is, as shown in FIG. From the upper side of Kn (small diameter part 22 side), it is fitted to the outer periphery of the inner shaft assembly Kn. At this time, in the inner shaft assembly Kn, the annular spacer 10 is sandwiched between the first annular seal 8 and the inner side surface of the flange portion 21 of the inner shaft 2.
- the annular spacer 10 may be provided between the first annular seal 8 and the flange 21 at the stage of disposing the first annular seal 8 around the base of the flange 21 of the inner shaft 2.
- the annular spacer 10 is disposed between the first annular seal 8 and the flange portion 21 when the annular spacer 10 is required.
- the annular spacer 10 is an inner side surface of the flange portion 21 of the inner shaft 2, and receives the metal core portion 82 of the first annular seal 8 and the end portion lc of the outer ring 1 almost all around. Thus, as shown in FIGS. 4 and 5, the whole is formed in an annular shape and can be divided into a plurality of pieces along the circumferential direction.
- the annular spacer 10 has a radially inner portion (hereinafter, referred to as an inner diameter portion) 10i and a radially outer portion (hereinafter, referred to as an outer diameter portion 10 ⁇ ) having different thicknesses.
- a step extending in the axial direction (perpendicular to the end faces of the portions 10i and 10 ⁇ ) is formed between the inner diameter portion 10i and the outer diameter portion 10 ⁇ .
- the outer diameter portion 10 ⁇ has an axial thickness To corresponding to a minimum set interval between the inner side surface of the flange portion 21 of the inner shaft 2 and the end surface of the outer ring end portion lc.
- the annular spacer 10 has an inner diameter portion 10i protruding in the axial direction (inner diameter direction) due to a difference in wall thickness between the outer diameter portion 10 ⁇ and the inner diameter portion 10i.
- the entire circumference of the outer surface 8a of the annular seal 8 is supported by the entire circumference of the projection (inner diameter portion 10i), and the entire circumference of the outer ring end lc is supported by the entire circumference of the outer diameter portion 10 ⁇ . Support the circumference.
- the flange has a flat shape along the side surface of the entire end face force flange portion 21 located on the outside in the axial direction of the annular spacer 10.
- the first annular seal 8 can be accurately mounted at the designed value by setting the axial clearance of the annular seal 8 to the part lc at a design value.
- each lip 81a, 81b, 81c of the first annular seal 8 fitted to the inner peripheral surface of the outer ring 1 is turned into an inner side surface 21a of the flange portion 21 by an appropriate contact pressure. Sliding contact
- the annular spacer 10 is provided with a configuration that can be divided into two along the circumferential direction.
- the outer ring 1 is pushed into the inner shaft assembly Kn.
- the first annular seal 8 is supported at a position apart from the inner side surface of the flange portion 21 by the inner diameter portion 10i of the annular spacer 10, so that the first annular seal 8 is supported.
- the outer ring 8 When the outer ring 1 is pushed in, the outer ring 8 is fitted into the inner periphery of the outer ring end portion lc in a press-fit manner, and is mounted at a position where the outer ring end portion lc force is retracted in the axial direction by a predetermined dimension.
- substantially the entire circumference of the core metal portion 82 of the first annular seal 8 is covered with the inner diameter of the annular spacer 10. Since the outer ring 1 is supported by the portion (convex portion) 10i, the reaction force against the pushing of the outer ring 1 uniformly acts on the first annular seal 8 over its entire circumference. As a result, the first annular seal 8 can be attached to the outer ring 1 without being inclined or distorted.
- the outer ring 1 After the first annular seal 8 is attached to the end lc of the outer ring 1, the outer ring 1 is slightly lifted with respect to the inner shaft 2 so that the inner side surface of the flange portion 21 of the inner shaft 2 and the end of the outer ring 1
- the gap between the annular spacer 10 and the lc is a gap which is wider than the thickness TU of the inner diameter portion 10i of the annular spacer 10.
- the annular spacer 10 also loses the hooking force with the end lc of the outer ring 1 and, as shown in FIG. 6, divides the annular spacer 10 into a plurality of parts and pulls them outward in the radial direction. Can be removed.
- the annular spacer 10 is a double-row circle, which can be used in the assembly of the next bearing device without remaining in the assembly of the roller bearing device.
- the assembly of the first tapered roller 4 and the first cage 6 is assembled between one track la of the outer ring 1 and the track 2a of the inner shaft 2, and the end of the outer ring 1
- the first annular seal 8 is attached to lc.
- the outer ring 1 is maintained as it is.
- the second tapered roller 5 is incorporated into the outer periphery of the track 3b of the inner ring 3 via the second cage 7, whereby an assembly of the inner ring 3 including the inner ring 3, the second tapered roller 5, and the second cage 7 is formed. Is made.
- the produced assembly is placed above the small-diameter portion 22 of the inner shaft 2 with the axial direction thereof being vertical and the second tapered roller 5 facing the trajectory lb of the outer race 1. Deploy. In this state, the inner ring 3 is pressed into the outer periphery of the small diameter portion 22. Then, the inner ring 3 is fixed to the small-diameter portion 22 by crimping the end 22a of the small-diameter portion 22 or by screwing a nut to the end of the small-diameter portion 22.
- FIG. 8 is an enlarged sectional view of a main part of a bearing device in an assembling method according to another embodiment of the present invention.
- the annular seal 12 of this embodiment has an annular core bar 122 fitted to the outer ring end lc from the outer peripheral side to the inner peripheral side.
- the annular core 122 has a cylindrical portion 122a and a bent flat plate portion 122b.
- the cylindrical portion 122a has a short cylindrical shape, and its inner diameter is set to be substantially the same as the outer diameter of the outer ring end lc so that it can be fitted into the outer peripheral surface of the outer ring end lc. I have.
- the bent flat plate portion 122b has an annular shape of a bent flat plate, and is integrally connected to one end of the cylindrical portion 122a. When the cylindrical portion 122a is mounted on the outer ring end portion lc, the inner diameter side of the bent flat plate portion 122b projects toward the inner diameter side of the outer ring end portion 1c.
- the elastic portion 121 is fixed to the bent annular body 122b of the annular core 122 having such a shape.
- the elastic portion 121 has a primary axial lip 121a, a secondary axial lip 121b, a main radial lip 121c, and an IJ radial lip 121d.
- the annular spacer 11 has a flat annular shape.
- the inner diameter of the annular spacer 11 is set to be substantially the same as the inner diameter of the outer ring end lc so that the inner ring side of the annular spacer 11 can receive the outer ring end lc. .
- the annular spacer 11 is sandwiched between the axial lips 121a and 121b by elastically deforming the positive axial lip 12la.
- the annular seal 12 is disposed on the outer peripheral surface of the inner shaft 2 on the side of the flange portion 21, and the lower surface of the annular spacer 11 is received by the inner side surface 21 a of the flange portion 21 of the inner shaft 2.
- the outer ring 1 is fitted around the outer periphery of the inner shaft 2 and pushed into the inner shaft 2.
- the cylindrical portion 122a of the annular cored bar 122 is fitted into the outer peripheral surface of the end portion lc of the outer ring 1, and the annular seal 12 is attached to the end portion lc of the outer ring 1.
- the outer ring 1 is slightly separated from the inner shaft 2, and then the annular spacer 11 is removed from the inner shaft 2.
- the illustrated bearing device is for a drive wheel, and a drive shaft is generally fixed in a shaft hole at the center of the inner shaft 2.
- the present invention can also be applied to a bearing device for a driven wheel. .
- the shape of the annular spacer 11 described above is not limited to the above.
- the annular spacer used at that time is used.
- the spacer may be shaped to have a constant inner and outer diameter.
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Rolling Contact Bearings (AREA)
- Mounting Of Bearings Or Others (AREA)
- Sealing Of Bearings (AREA)
Abstract
Description
Claims
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP05727902A EP1731779A4 (en) | 2004-03-31 | 2005-03-30 | ASSEMBLY METHOD FOR BEARING DEVICE |
US10/594,662 US20070193032A1 (en) | 2004-03-31 | 2005-03-30 | Assembling method for bearing device |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2004-102937 | 2004-03-31 | ||
JP2004102937A JP2005291231A (ja) | 2004-03-31 | 2004-03-31 | 複列円すいころ軸受装置の組立方法 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2005095811A1 true WO2005095811A1 (ja) | 2005-10-13 |
Family
ID=35063848
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2005/006074 WO2005095811A1 (ja) | 2004-03-31 | 2005-03-30 | 軸受装置の組立方法 |
Country Status (6)
Country | Link |
---|---|
US (1) | US20070193032A1 (ja) |
EP (1) | EP1731779A4 (ja) |
JP (1) | JP2005291231A (ja) |
KR (1) | KR20070004824A (ja) |
CN (1) | CN100572840C (ja) |
WO (1) | WO2005095811A1 (ja) |
Cited By (1)
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EP1803948B1 (en) * | 2005-12-27 | 2019-06-12 | JTEKT Corporation | Sealing device and rolling element bearing for a wheel hub unit with such a sealing device |
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JP4854324B2 (ja) * | 2006-02-21 | 2012-01-18 | Ntn株式会社 | 車輪用軸受装置のシール圧入方法 |
JP2008082352A (ja) * | 2006-09-25 | 2008-04-10 | Jtekt Corp | 車輪用軸受 |
JP2008223973A (ja) * | 2007-03-15 | 2008-09-25 | Jtekt Corp | 円すいころ軸受装置 |
JP2008240948A (ja) * | 2007-03-28 | 2008-10-09 | Jtekt Corp | 車輪用転がり軸受装置 |
CN101718306B (zh) * | 2009-12-03 | 2011-05-25 | 无锡市博阳精密机械制造有限公司 | 轴承内外套圈组合装置 |
CN102003468B (zh) * | 2010-11-27 | 2012-08-29 | 洛阳轴研科技股份有限公司 | 外圈轴向断裂薄壁轴承的装配方法 |
JP5776251B2 (ja) * | 2011-03-24 | 2015-09-09 | 株式会社ジェイテクト | 車両用軸受装置 |
DE102015203198A1 (de) * | 2014-03-06 | 2015-09-10 | Schaeffler Technologies AG & Co. KG | Verfahren zur Versorgung einer Lagereinheit mit Schmiermittel |
JP6569275B2 (ja) * | 2015-04-02 | 2019-09-04 | 株式会社ジェイテクト | 車輪用軸受装置の製造方法 |
JP6471597B2 (ja) * | 2015-04-17 | 2019-02-20 | 株式会社ジェイテクト | 車輪用軸受装置の製造方法 |
JP6477204B2 (ja) * | 2015-04-28 | 2019-03-06 | 株式会社ジェイテクト | 車輪用軸受装置の組立て方法 |
JP6582555B2 (ja) * | 2015-05-28 | 2019-10-02 | 株式会社ジェイテクト | 車輪用軸受装置の組立て方法 |
JP6672627B2 (ja) * | 2015-07-23 | 2020-03-25 | 株式会社ジェイテクト | 車輪用軸受装置の組立方法 |
EP3375971A1 (en) * | 2017-03-17 | 2018-09-19 | Sandvik Mining and Construction Oy | Rotation unit and method of adjusting bearing clearance |
CN108561445B (zh) * | 2018-05-15 | 2020-07-03 | 界首市皖俊轴承有限公司 | 一种轴承保持架滚珠安装装置 |
JP2020118220A (ja) * | 2019-01-23 | 2020-08-06 | 株式会社ジェイテクト | 車輪用軸受装置の製造方法及び製造装置 |
DE102020211035A1 (de) * | 2020-09-02 | 2022-03-03 | Aktiebolaget Skf | Verfahren zum Zusammenbau eines Kegelrollenlagers und Einheit mit einem Abrollflächenelement für Kegelrollen eines Kegelrollenlagers |
DE102022003477B3 (de) | 2022-09-21 | 2024-02-15 | C&U Europe Holding GmbH | Verfahren zur Montage einer Radlageranordnung |
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JP4501324B2 (ja) * | 2001-08-09 | 2010-07-14 | 日本精工株式会社 | 複列円すいころ軸受ユニットの組立方法 |
JP3982224B2 (ja) * | 2001-10-05 | 2007-09-26 | 日本精工株式会社 | 複列円すいころ軸受ユニットの組立方法 |
US7159316B2 (en) * | 2004-10-28 | 2007-01-09 | Robert Bosch Gmbh | Method of manufacturing a modular corner assembly |
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- 2004-03-31 JP JP2004102937A patent/JP2005291231A/ja active Pending
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- 2005-03-30 WO PCT/JP2005/006074 patent/WO2005095811A1/ja active Application Filing
- 2005-03-30 US US10/594,662 patent/US20070193032A1/en not_active Abandoned
- 2005-03-30 EP EP05727902A patent/EP1731779A4/en not_active Withdrawn
- 2005-03-30 KR KR1020067021035A patent/KR20070004824A/ko not_active Application Discontinuation
- 2005-03-30 CN CNB2005800099035A patent/CN100572840C/zh not_active Expired - Fee Related
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JPS6123519U (ja) * | 1984-07-17 | 1986-02-12 | エヌ・テ−・エヌ東洋ベアリング株式会社 | フランジを有する複列玉軸受 |
JP2002283805A (ja) * | 2001-03-26 | 2002-10-03 | Nsk Ltd | 自動車用ハブユニットの組立方法 |
JP2005083496A (ja) * | 2003-09-09 | 2005-03-31 | Koyo Seiko Co Ltd | 車輪用の円すいころ軸受装置およびその組立方法 |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1803948B1 (en) * | 2005-12-27 | 2019-06-12 | JTEKT Corporation | Sealing device and rolling element bearing for a wheel hub unit with such a sealing device |
Also Published As
Publication number | Publication date |
---|---|
EP1731779A4 (en) | 2011-06-15 |
EP1731779A1 (en) | 2006-12-13 |
CN1938526A (zh) | 2007-03-28 |
US20070193032A1 (en) | 2007-08-23 |
JP2005291231A (ja) | 2005-10-20 |
KR20070004824A (ko) | 2007-01-09 |
CN100572840C (zh) | 2009-12-23 |
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