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
  • F16C33/30—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
• • 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
  • F16C35/00—Rigid support of bearing units; Housings, e.g. caps, covers
  • F16C35/04—Rigid support of bearing units; Housings, e.g. caps, covers in the case of ball or roller bearings
  • F16C35/06—Mounting or dismounting of ball or roller bearings; Fixing them onto shaft or in housing
• • 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
  • F16C41/04—Preventing damage to bearings during storage or transport thereof or when otherwise out of use
• • 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
• • 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
  • F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
  • F16B5/00—Joining sheets or plates, e.g. panels, to one another or to strips or bars parallel to them
  • F16B5/02—Joining sheets or plates, e.g. panels, to one another or to strips or bars parallel to them by means of fastening members using screw-thread
• • 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
  • F16C2300/00—Application independent of particular apparatuses
  • F16C2300/10—Application independent of particular apparatuses related to size
  • F16C2300/14—Large applications, e.g. bearings having an inner diameter exceeding 500 mm
• • 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
  • Y10T29/49679—Anti-friction bearing or component thereof
  • Y10T29/49689—Race making

Definitions

• the present invention relates to rolling bearings, in particular rolling bearings which are mounted only at their place of use and are therefore manufactured in individual components.
• FIG. 4 shows schematically the conventional construction of a rolling bearing 300.
• the rolling bearing 300 is composed of a split inner ring (also IR of Engl, "inner ring”), the upper part of the bearing ring is designated in Figure 4 with 310, and a split outer ring 320 (also OR of English, "outer ring”). Both the inner ring and the outer ring 320 show mounting holes, which are designated in FIG. 4 by reference numerals 315 and 325.
• the example of the inner ring of Figure 4 further shows that the inner ring consists of two partial bearing rings 310,335, with a partial bearing ring 310 in the foreground and a partial bearing ring 335 can be seen in the background. In the example shown in FIG.
• outer ring 320 is divided, which can be recognized by the dividing line in the mounting bores 325.
• bearings with divided bearing inner and / or outer bearing rings. This applies in particular to rolling bearings, which are mounted or assembled directly at their place of use.
• FIG. 5 shows another example of a conventional rolling bearing, here a double row tapered roller bearing is shown.
• FIG. 5 shows a radial transverse cut through the warehouse.
• the bearing consists of a bearing outer ring 320 and a split bearing inner ring, which consists of the partial bearing rings or bearing halves 310 and 335, consists. In between, two rows of rolling elements 340 are shown.
• Figure 5 shows the mounting hole 315, which extends over both partial bearing rings 310 and 335. By means of this mounting hole 315, for example, the two partial bearing rings 310 and 335 can be clamped together by means of screws and mounted at their place of use.
• Individual through holes or mounting holes can be made larger, so that, for example, a locking sleeve can be introduced.
• This securing sleeve can be fastened, for example, in one of the rings, for which purpose different embodiments are conceivable.
• attachment may be by threading in a partial bearing ring, an additional nut being inserted into the ring, flanging or similar joining and forming processes, to thermal shrinking.
• the locking sleeve for example, via a collar, similar to a screw head support.
• the two partial bearing rings can be clamped together as with a screw, wherein other embodiments are conceivable here.
• the two partial bearing rings can also be clamped by another device and the securing sleeve can be attached.
• the locking sleeve can be screwed, caulked, to be crinkled, jammed, etc. After the relaxation of the other device, the securing sleeve can then take over the securing / fixing of the two partial bearing rings to each other, or maintain their tension.
• the locking sleeve may have approximately an inner diameter of the original screw through-hole, i. have the diameter of a conventional mounting hole, so that the attachment of the bearing is not affected substantially by the locking sleeve.
• the locking sleeve after mounting the bearing, the locking sleeve can be secured in the thread with an adhesive, such as "Loctite,” so that it can not become loose again afterwards.
• Embodiments may therefore offer the advantage that an installation of the locking sleeves is no longer visible from the outside, or that despite the backup there are no protruding parts. Therefore, influencing the actual screwing can be reduced in embodiments, or even completely absent. Moreover, the assembly process, in particular a screwing process, can take place almost unaffected by the securing sleeves. In embodiments, therefore, there may be the advantage that a conventional screwing process can be maintained unchanged during an assembly process and any removal process of the transport lock completely eliminated, since the securing sleeves remain in the mounting holes.
• the whereabouts of the locking sleeves in the mounting holes can also bring an advantage in maintenance work in embodiments with it.
• the partial bearing rings clamped together by the backup sleeves so that even here the attachment of a security device can be omitted.
• any maintenance personnel need not take any safety precautions, since the safety sleeves perform their safety function immediately and automatically even after disassembly of the bearing.
• Figure 1 shows an embodiment of a partial bearing ring
• FIGS. 2a-c exemplary embodiments of partial bearing rings and securing sleeves
• FIGS. 3a-d show exemplary embodiments of a mounted rolling bearing and the associated assembly process
• FIG. 3e shows a further exemplary embodiment of a mounted rolling bearing and the associated assembly process
• FIG. 3f shows an exemplary embodiment of a flow chart for a mounting method
• Figure 4 shows an example of a rolling bearing with split bearing rings of the prior art
• Figure 5 shows a cross section of a rolling bearing with split bearing inner ring of the prior art.
• FIG. 1 shows an embodiment of a partial bearing ring or a bearing ring half 100 of a rolling bearing with a first mounting hole 110 on the end face of the part bearing ring 100 and with a second mounting hole 120, wherein the second mounting hole 120 has a larger diameter than the first mounting hole 110 and for receiving a Safety sleeve is formed.
• the dotted line in Figure 1 indicates that even more mounting holes can be provided, in particular, a circumferential ring of mounting holes can be provided.
• embodiments include partial bearing rings or bearing ring halves 100, which provide in their mounting holes 110, 120 an introduction of securing sleeves.
• individual mounting holes 120 may have a larger diameter than other mounting holes 110.
• a bore is understood to mean a bore which serves for mounting a plurality of, in particular two partial bearing rings with each other and / or for mounting a rolling bearing on a carrier, such as a housing of an engine, a generator or a transmission.
• the first mounting hole 110 and the second mounting hole 120 for mounting the partial bearing ring 100 may be formed on a housing or a rotor of a motor or a generator. This may include in particular that in the partial bearing ring 100 provided mounting holes 110, 120 have the same geometry as mounting holes on a housing or a rotor, in particular those of a wind turbine.
• the partial bearing ring 100 may be formed as part of an inner ring or an outer ring of a rolling bearing and / or correspond to one half of a bearing ring divided perpendicular to its axis of rotation.
• two partial bearing rings 100 which have been connected to one another in a non-positively connected manner, form an inner or outer ring of a roller bearing.
• FIG. 2a shows a schematic section of a mounted bearing ring.
• the bearing ring is composed of an exemplary embodiment of a partial bearing ring 100a and a further partial bearing ring 100b.
• the further partial bearing ring 100b can also be designed as described above.
• the two partial bearing rings 100a, 100b are connected on the left side to a structural unit 150, which could be, for example, the housing or the rotor of an engine.
• On the right side of the two partial bearing rings 100a, 100b are also connected to a unit 160, this could in embodiments for example, correspond to a transmission housing.
• FIG. 2a shows a securing sleeve 200 which holds the two partial bearing rings 100a, 100b together.
• Embodiments therefore also include a securing sleeve 200 for securing a first partial bearing ring 100a as described above with a second partial bearing ring 100b, wherein the locking sleeve 200 is adapted for insertion into the second mounting bore 120 of the first partial bearing ring 100a.
• the second mounting hole 120 of the first partial bearing ring 100a is not provided with a reference numeral in FIG. 2a for reasons of clarity. However, it is assumed that the securing sleeve 200 is located in the second mounting hole 120 of the partial bearing ring 100a.
• the securing sleeve 200 has fastening means for fastening the securing sleeve 200 to the partial bearing rings 100a, 100b at its axial ends.
• the securing sleeve 200 is adapted to frictionally connect the two partial bearing rings 100a, 100b with one another in such a way that they are secured, for example, during transport or during assembly.
• the actual assembly of the secured partial bearing rings 100a, 100b can then take place, for example, via mounting screws, wherein a mounting screw 170 is shown as an example in Figure 2a.
• the partial bearing ring 100, 100 a for fastening the securing sleeve 200 in the second mounting bore 120 may have an internal thread.
• the securing sleeve 200 may have an external thread at one of its axial ends in embodiments. This too is shown in FIG. 2a.
• the locking sleeve 200 can be screwed into the second mounting hole 120 of a partial bearing ring 100, 100 a so as to be positively connected thereto.
• the securing sleeve 200 may have a collar at its other axial end, so as to be frictionally connected to the second partial bearing ring 100b become. This case is illustrated by FIG.
• a partial bearing ring 100, 100b can have a shoulder, a recess or a groove for fastening a securing sleeve 200 in the second mounting bore 120.
• Embodiments of partial bearing rings 100, 100b should not be limited to these examples of fasteners or mounting options.
• the securing sleeve 200 at one axial end a collar and at another axial end an external thread or a clamping collar for attachment to the part bearing rings 100a; 100b.
• FIG. 2b illustrates a further exemplary embodiment.
• the two partial bearing rings 100a, 100b, the units 150 and 160, and the locking sleeve 200 are shown.
• the locking sleeve 200 is secured in the embodiment of Figure 2b with a nut 210.
• the partial bearing ring 100a does not necessarily have an internal thread, but has a shoulder, a groove or a recess on which the nut 210 can set. By tightening the nut 210, the two partial bearing rings 100a, 100b can also be clamped together.
• FIG. 2c shows a further embodiment.
• FIG. 2c shows the same components which have already been explained with reference to FIGS. 2a, 2b.
• the embodiment of Figure 2c differs from the preceding embodiments in that the securing sleeve 200 is not screwed, but caulked or crimped, which shows the flanging 220 in Figure 2c. In this embodiment, therefore, entirely on the use renounced by threads.
• the two partial bearing rings 100a, 100b are brought together radially, a corresponding locking sleeve 200 is inserted into at least one mounting hole 120 of both partial bearing rings 100a, 100b, and then crimped or caulked. As a result, the two partial bearing rings 100a, 100b are braced.
• a partial bearing ring 100 there are many possibilities for mounting the locking sleeve 200 in a partial bearing ring 100.
• manufacturing steps in which there is a heating of the partial bearing rings can be exploited to bring in the heated and therefore stretched part bearing rings, the locking sleeves 200. These can then also be shrunk, for example.
• a partial bearing ring 100 can be heated and / or a securing sleeve 200 can be cooled.
• Such an embodiment has the advantage that in addition to the appropriate choice of the inner diameter of the mounting hole and the outer diameter of the locking sleeve 200, no further fastening means must be provided.
• the securing sleeve 200 may have an internal diameter that substantially corresponds to that of the first mounting bore 110 of the first partial bearing ring 100a.
• this in turn provides a mounting hole which corresponds to the other mounting hole 110 which does not have a securing sleeve.
• the same gland can be used in any assembly at the actual site, as it was used in conventional part bearing rings.
• additional devices for securing can be completely dispensed with.
• FIGS. 3a to 3d illustrate further exemplary embodiments.
• FIGS. 3a to 3d each show a first partial bearing ring 100a and an axially mounted partial bearing ring 100b.
• a locking sleeve 200 In the second mounting hole 120 of the second part bearing ring 100b is a locking sleeve 200.
• the locking sleeve 200 has an external thread and the second mounting hole 120 in the first part bearing ring 100a via a corresponding internal thread. The securing sleeve 200 thus braces the two partial bearing rings 100a, 100b with each other.
• 3 b furthermore shows a mounting screw 170 which projects through the securing sleeve 200 and thus permits the two partial bearing rings 100 a, 100 b, which are braced with one another, to be mounted, for example, on a housing or a rotor.
• FIG. 3 c again shows the same components as already explained with reference to FIGS. 3 a and 3 b.
• the embodiment of Figure 3c differs in that the partial bearing ring 100b has a recess or recess 180 which allows a sinking of the locking sleeve 200 and the collar of the locking sleeve 200.
• a partial bearing ring 100a, 100b can therefore have a recess for sinking a collar of the securing sleeve 200. This can bring the advantage that after insertion of the securing sleeve 200, the surface of the partial bearing ring 100b has no protruding parts, but is flat.
• the figure 3d in turn illustrates the mounting case in which a mounting screw 170 protrudes through the locking sleeve.
• the screw head of the mounting screw 170 can be placed on the surface of the part bearing ring 100b, without it comes through the locking sleeve 200 to mechanical displacements.
• FIG. 3e again shows the two partial bearing rings 100a, 100b, the mounting bore 120 and a locking sleeve 200 inserted therein.
• the locking sleeve 200 is clamped to the partial bearing ring 100b.
• a counter sleeve In other embodiments, conical holes, grooves or grooves for a latching mechanism, etc. would be conceivable.
• two partial bearing rings 100a, 100b secured in a force-locking manner via a securing sleeve 200 can form a bearing inner or outer bearing ring of a roller bearing.
• Embodiments therefore also include a bearing ring for a rolling bearing, which comprises at least a first partial bearing ring 100 as described above, a second partial bearing ring and at least one locking sleeve 200 as described above, wherein the locking sleeve 200 in the second mounting hole 120 of the first part bearing ring 100 and in a mounting hole of the second partial bearing ring is introduced in order to clamp the two partial bearing rings together by the securing sleeve 200.
• a bearing ring for a rolling bearing which comprises at least a first partial bearing ring 100 as described above, a second partial bearing ring and at least one locking sleeve 200 as described above, wherein the locking sleeve 200 in the second mounting hole 120 of the first part bearing ring 100 and in a mounting hole of the second partial bearing ring is introduced in order to clamp the two partial bearing rings together by the securing sleeve 200.
• embodiments also include an entire rolling bearing that includes at least one bearing ring having a first part bearing ring 100, a second part bearing ring and a locking sleeve 200 of the first and second bearing rings together.
• FIG. 3f illustrates a mounting method for a bearing ring.
• the assembly method comprises a step 410 of merging a first partial bearing ring 100a with a second partial bearing ring and a step 420 of inserting at least one locking sleeve 200 into a mounting bore 120 of the first partial bearing ring 100a and into a mounting bore of the second partial bearing ring.
• the method may optionally include further steps.
• optional process steps are shown with dotted lines.
• embodiments may include an additional step 430 of bracing the two partial bearing rings with the locking sleeve.
• a further step 440 of mounting the strained part bearing rings by means provided for mounting holes 110, 120 in the strained part bearing rings and a designated mounting hole in the locking sleeve 200 done.
• Exemplary embodiments can offer the advantage that after inserting the securing sleeve from the outside, no installations are visible, or no projecting parts are present, compare FIGS. 3 c and 3d.
• embodiments may have an advantageous effect on the assembly, since an influence on the screw, the Verschraubungsreaes and the performance of the bearing is essentially absent.

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• Engineering & Computer Science (AREA)
• General Engineering & Computer Science (AREA)
• Mechanical Engineering (AREA)
• Mounting Of Bearings Or Others (AREA)
• Rolling Contact Bearings (AREA)

Applications Claiming Priority (2)

Publications (1)

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Family Applications (1)

Country Status (5)

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Citations (3)

Family Cites Families (23)

• 2011
  • 2011-01-28 DE DE102011003292A patent/DE102011003292B4/de not_active Expired - Fee Related
• 2012
  • 2012-01-26 EP EP12701879.4A patent/EP2668405A1/fr not_active Withdrawn
  • 2012-01-26 WO PCT/EP2012/051216 patent/WO2012101209A1/fr active Application Filing
  • 2012-01-26 US US13/981,112 patent/US9057406B2/en not_active Expired - Fee Related
  • 2012-01-26 CN CN2012800064337A patent/CN103328831A/zh active Pending

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Non-Patent Citations (1)

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