EP2795146A1 - Cage de palier, segment de cage de palier et procédé d'assemblage de la cage de palier - Google Patents

Cage de palier, segment de cage de palier et procédé d'assemblage de la cage de palier

Info

Publication number
EP2795146A1
EP2795146A1 EP12799138.8A EP12799138A EP2795146A1 EP 2795146 A1 EP2795146 A1 EP 2795146A1 EP 12799138 A EP12799138 A EP 12799138A EP 2795146 A1 EP2795146 A1 EP 2795146A1
Authority
EP
European Patent Office
Prior art keywords
bearing cage
bearing
mounting part
segments
rolling
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
EP12799138.8A
Other languages
German (de)
English (en)
Inventor
Burkard Beck
Holger Kristandt
Winfried Oestreicher
Gerhard Wagner
Jürgen WEIGLEIN
Hans-Jürgen FRIEDRICH
Alfred Radina
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
SKF AB
Original Assignee
SKF AB
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 SKF AB filed Critical SKF AB
Publication of EP2795146A1 publication Critical patent/EP2795146A1/fr
Withdrawn legal-status Critical Current

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
    • 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
    • F16C33/54—Cages for rollers or needles made from wire, strips, or sheet metal
    • F16C33/541—Details of individual pockets, e.g. shape or roller retaining means
    • 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
    • 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
    • F16C19/24—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 radial load mainly
    • F16C19/26—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 radial load mainly with a single row 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
    • 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
    • F16C33/4611—Cages for rollers or needles with hybrid structure, i.e. with parts made of distinct materials
    • 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
    • F16C33/50—Cages for rollers or needles formed of interconnected members, e.g. chains
    • F16C33/502—Cages for rollers or needles formed of interconnected members, e.g. chains formed of arcuate segments retaining one or more 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
    • F16C43/00—Assembling bearings
    • F16C43/04—Assembling rolling-contact bearings
    • F16C43/06—Placing rolling bodies in cages or bearings
    • F16C43/065—Placing rolling bodies in cages or bearings in 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
    • 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
    • F16C19/36—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 a single row of rollers
    • F16C19/364—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 a single row of rollers with tapered rollers, i.e. rollers having essentially the shape of a truncated cone
    • 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
    • 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
    • F16C33/4694—Single-split roller or needle cages
    • 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
    • Y10T29/49691—Cage making

Definitions

  • the present invention relates to a bearing cage segment for rolling bearings, a bearing cage formed from such bearing cage segments and mounting parts and a method for producing such a bearing cage.
  • Bearing cages for rolling bearings generally consist of two side rings arranged in an axial (i.e., in the direction of a bearing rotation axis) and a plurality of webs connecting these side rings and arranged one behind the other in a circumferential direction of the bearing cage, which pairs form pockets for receiving rolling elements.
  • a bearing cage keeps the rolling elements at a distance from one another by means of the pockets provided for this purpose and prevents an immediate contact of adjacent rolling elements, which typically reduces friction and thus heat development in the bearing. It also ensures an even distribution of the rolling elements over an entire circumference of the cage or roller bearing and thus allows an even load distribution and a smooth and smooth running.
  • Rolling bearing cages are mechanically stressed during operation by friction, Zerr- and inertial forces. Under certain circumstances, chemical agents can also be caused by certain additives and substances. Shaping and choice of materials are therefore crucial to the integrity of the cage as well as operational reliability of the bearing as a whole.
  • rolling bearing cages typically include pressed cages and solid cages.
  • Pressed cages for rolling bearings are usually made of sheet steel, in some cases brass. made of sheet metal.
  • Solid cages for rolling bearings can be made for example of brass, steel, aluminum, polymers or phenolic resin.
  • Plastic solid cages which are often manufactured by injection molding, are characterized by a favorable combination of strength and elasticity. Good sliding properties of plastic on lubricated steel surfaces and low roughness of the cage surfaces at points of contact with rolling elements result in low cage friction, correspondingly low heat development in the bearing and hardly measurable wear. Due to the low material density also forces from the inertia of the cage remain small. Thanks to the very good emergency running properties of plastic cages, a bearing will remain functional for some time even if the lubrication fails completely, without blocking the bearing or causing any further damage.
  • plastics for conventionally injection-molded rolling bearing cages may be, for example, polyamide 66, polyamide 46, polyetheretherketone (PEEK), phenolic resin or other polymer material.
  • PEEK polyetheretherketone
  • Embodiments of the present invention provide a combined bearing cage having a combination of a plurality of bearing cage segments and at least one mounting member along its circumference, i. in circumferential or tangential direction, the bearing cage segments are placed.
  • it is preferably metal or Kunststofflagerkarfigsegmente or combined metal-plastic cage segments and one or more mounting parts made of metal, such as. Steel.
  • the bearing cage segments can be threaded onto the at least one mounting part, or vice versa.
  • the individual bearing cage segments can first be arranged annularly, for example by placing them along the circumference of a bearing inner ring, and then a mounting part is threaded or guided by corresponding coupling arrangements of the Lagerkarfigseg-. After threading or threading the mounting part through the coupling arrangements of the individual bearing cage segments, the at least one mounting part can be tensioned by means of a tensioning device such that the bearing cage formed from the at least one mounting part and the bearing cage segments threaded thereon is held securely on the bearing inner ring.
  • a bearing cage segment has two circumferential webs extending in a circumferential direction and at least one connecting web connecting the circumferential webs.
  • the bearing cage segment further comprises a coupling arrangement which is designed to arrange the bearing cage segment on at least one mounting part, so that a pocket for receiving a rolling body can be formed by means of two bearing cage segments arranged or threaded on the mounting part in the circumferential direction.
  • a bearing cage segment may be formed of a plastic such as polyamide 66, polyamide 46, polyetheretherketone (PEEK), phenolic resin, or other polymeric material. Bearing segments of metal or a combination of metal and plastic are also possible.
  • bearing cage segments may have exactly one connecting web connecting the circumferential webs, so that only exactly one rolling-element pocket is formed by means of two bearing cage segments arranged adjacent to the mounting part in the circumferential direction.
  • Other embodiments of Lagerkarfig- segments may also have two connecting webs connecting the two axially opposite circumferential webs, so that a Wälz stressestasche is already formed by the respective two connecting and peripheral webs of a Lagerkarfigsegments. In this case, two Wälz stressestaschene be formed by means of two arranged in the circumferential direction adjacent to the mounting member Lagerkarfigsegmente.
  • bearing cage segments according to exemplary embodiments can also have more than two connecting webs, so that accordingly more than two rolling body pockets can be formed in a bearing cage segment.
  • the coupling arrangement of a bearing cage segment may, for example, comprise a receptacle formed on or molded onto at least one of the circumferential webs for the positive-fit reception of the at least one mounting part.
  • the coupling arrangement for example, on the peripheral webs integrally formed channel-like receptacles for the at least one mounting part.
  • bushings may be provided on the peripheral webs, through which the at least one mounting part can be guided, and which completely surround the at least one mounting part. In this case, the groove-like receptacles and / or the bushings on the outside of the peripheral webs or be formed.
  • the receptacles and / or bushings can also be arranged on axially inner, ie axially facing sides of the circumferential webs.
  • the receptacles or feedthroughs for the at least one mounting part can be formed in a side of a first peripheral web facing a second circumferential web.
  • the mounting part through-passages formed on the peripheral webs lie on axially mutually facing sides of the opposite peripheral webs, so that one mounting part not on a front side of a bearing cage thus formed, but rather closer to an outer or inner ring shell. This allows the bearing ring closer to the rolling elements, such as tapered rollers, sit and thus dimensionally stable.
  • the receptacles for the at least one mounting part can be formed on a side of a first peripheral web remote from a second peripheral web.
  • a bearing cage for a rolling bearing such.
  • a tapered roller bearing provided, which is formed from a plurality of arranged on at least one mounting member Lagerkkfigsegmente.
  • such a bearing cage has a plurality of bearing cage segments for accommodating rolling elements in rolling element pockets formed by the bearing cage segments, each of the bearing cage segments having a coupling arrangement designed to thread the bearing cage segment onto at least one mounting part by means of the coupling arrangement can be adapted to a ring contour of the rolling bearing.
  • roller bearing cage has at least one mounting part in order to be able to thread the plurality of bearing cage segments onto the mounting part by means of their respective coupling arrangements, so that at least one rolling element pocket can be formed by means of two bearing cage segments threaded adjacent to the mounting part in the circumferential direction.
  • Such a bearing cage preferably comprises two mounting parts which can be arranged on opposite circumferential webs of the plurality of bearing cage segments.
  • a mounting part can for example be made of synthetic fibers or a metal, in particular of steel.
  • an annular shape of the at least one mounting part can be predetermined by an annular shape of a bearing inner ring, on which roll the rolling elements in the assembled state of the rolling bearing. That is, according to an assembly of the combined bearing cage on a bearing inner ring, depending on the radial positioning of the coupling arrangement, a circumference of the (tensioned) mounting part corresponds approximately to the pitch circle circumference of the rolling bearing thus formed.
  • a tensioning device is additionally provided, so that the bearing cage formed by the threaded bearing cage segments in the assembled state can adapt to an outer contour of a bearing inner race of the rolling bearing and held by the bearing cage Rolling can roll on the bearing inner ring.
  • the bearing cage segments can thus be threaded onto, for example, initially loose mounting parts, in order subsequently to place the initially formed bearing cage thus formed around a bearing inner ring.
  • the mounting parts can then be stretched by means of a tensioning device and held on tension that the individual cage segments of the hybrid cage in the circumferential direction of the contour of the bearing inner ring "snuggle".
  • embodiments also include a method of manufacturing a bearing cage for a rolling bearing, comprising a step of providing at least one mounting member, a step of providing a plurality of bearing cage segments for receiving rolling elements, each of the bearing cage segments having a coupling arrangement formed to locate the bearing cage segment on the at least one mounting member, and a step of Auffädeins the plurality of Lagerkarfigsegmente on the at least one mounting member, or vice versa, so that at least one by means of two arranged in the circumferential direction on the mounting part bearing cage segments Bag is formed for receiving a rolling element.
  • Threading may take place before, during or after a mounting of the plurality of bearing cage segments on a bearing inner ring, wherein thereby for (un) coupling the mounting part with a coupling attachment axially remote from a mounting position.
  • Ordering a (de-) mounting device can be used, which is designed to convey one end of the mounting part from the mounting position to an axially remote side coupling arrangement, through the axially remote side coupling arrangements of all located on the bearing inner ring bearing cage segments and back to the mounting position.
  • the mounting position for example, be located on an end face of the rolling bearing or the roller bearing cage, so that the opposite (remote) end face of the bearing cage is difficult or not accessible at all.
  • the (de-) mounting device can have an axial traverse with two axially separate feedthroughs, which open at an axially remote end of the traverse in different circumferential directions to supply the end of the mounting member initially in the circumferential direction of a coupling arrangement and after threading the End of the mounting part again from the circumferential direction to redirect axially outward.
  • the at least one mounting part can be tensioned by means of a tensioning device, so that the bearing cage formed by the threaded bearing cage segments, for example, adapts to a contour of a bearing inner ring of the rolling bearing.
  • the mounting part which should hold the bearing cage segments together during assembly, can also be removed again by means of the (de-) mounting device.
  • the bearing cage segments are held together by bearing inner and / or outer ring.
  • the mounting part can also be threaded again into the bearing cage segments of the bearing. In this way, even the most difficult overhead assembly or disassembly of large bearings are possible.
  • the method of (dem) mounting the bearing cage also includes a step of removing the at least one mounting member from the plurality of bearing cage segments when the bearing cage segments can be held in position by bearing rings of a mounted rolling bearing.
  • plastic bearing cage segments can be so coupled with metallic mounting parts, so that it comes in the mounted state of the combined bearing cage to no contact between the rolling element and steel cable, whereby wear by cage contact can be significantly reduced.
  • the emergency running properties of the combined metal-plastic bearing cage already described above can also be improved in an advantageous manner compared to pure metal cages by the use of plastic bearing cage segments.
  • bearing cages of the type described can also be used in applications in which brass material may not be used, for example in so-called acid gas applications or ammonia-compatible compressors (ammonia compressors) featured bearing cages are used with regard to the mounting parts and rolling elements standard components.
  • rolling bearings can be assembled or disassembled in difficult installation situations by threading the mounting part onto and / or unthreading the mounting part out of the bearing cage segments. Even an overhead mounting of separable slewing bearings without falling out of the rolling elements is possible by embodiments.
  • FIG. La - c perspective views of a plastic bearing cage segment, according to an embodiment; perspective views of a mounted on a bearing inner ring bearing cage, according to an embodiment;
  • Fig. 3 is an enlarged view of a cross member for (dis) assembly of a bearing cage, according to an embodiment; 4 shows an enlarged illustration of a tensioning device for tensioning two mounting parts placed on bearing cage segments on the front side;
  • FIG. 5 shows sectional views of a built-in tapered roller bearing hybrid cage, according to an embodiment
  • FIG. 6 Overview of a built-in tapered roller bearing hybrid cage, according to one embodiment.
  • Figures la to lc show various perspective views of an exemplary plastic bearing cage segment 10 for a hybrid bearing cage according to one embodiment.
  • the bearing cage segment 10 has two axially spaced and extending in a circumferential direction 1 1 of the bearing cage circumferential or side bars 12 and at least one connecting the peripheral webs 12 in the axial direction connecting web 13.
  • the bearing cage segment 10 further has a coupling arrangement 14, which is designed to arrange the bearing cage segment 10 on at least one mounting part (not shown in FIGS. 1 a to 1 c), so that two or more adjacent parts arranged in the circumferential direction 11 on the mounting part Lagerklafigsegmente 10 at least one pocket for receiving a rolling element (also not shown in the figures la to lc) can be formed.
  • the bearing cage segment 10 can be made, for example, in one piece from a plastic. This means that it can be a one-piece plastic injection molded part in a bearing cage segment 10 according to embodiments.
  • the coupling arrangement 14 may have, at opposite axial ends or peripheral webs 12 of the bearing cage segment 10, feedthroughs 15 and / or channel-like projections 16 for receiving two axially spaced mounting parts on the circumferential webs 12 of the bearing cage segment 10 in an axial manner so that a mounting part of the bearing cage segment 10 can be guided towards a circumferentially adjacent bearing cage segment.
  • the bushings 15 and / or the channel-like projections 16 on or on axially outer sides of the circumferential webs 12 are formed or molded. This does not necessarily have to be the case. In other embodiments, these bushings 15 and / or channel-like projections 16 of the coupling arrangement 14 may also be integrally formed on axially inner sides of the circumferential webs 12. In addition, further placement possibilities for the coupling arrangement 14 or their feedthroughs 15 and / or projections 16 are conceivable, such as, for example, FIG. B. at the connecting webs 13th
  • the bushings 15 may be formed from circumferentially 11 alternating and the mounting part over or under cross-channel-like projections.
  • the exemplary embodiment shown in FIG. 1a shows only one of numerous geometrically possible coupling arrangements 14 for the mounting part.
  • the passages 15 can be formed at one of the two axial ends, i. seen in the circumferential direction 11, compared to the groove-like projections 16 at the opposite axial end of the Lagerkafigsegments 10.
  • the bushings 15, which at one of an axially outboard mounting position are poorly accessible axially inner circumferential ridge 12 of the Lagerkarfigsegments 10 located at smaller intervals on the associated peripheral ridge 12 compared with the axially opposite Garrinnen 16. This can facilitate axial internal threading of the mounting part of the axially outward mounting position, as will be explained below.
  • a connecting web 13 which at the same time acts as a separating web between two adjacent rolling-body pockets or windows, can also have molded-on or molded-on guide sections 17 which are used to guide rolling bodies, such as For example, cylindrical rollers, tons or cones serve.
  • guide rolling bodies such as For example, cylindrical rollers, tons or cones serve.
  • the connecting web 13 integrally formed guide lugs or lips, which are adapted in shape to a curvature of a WälzSystemmantel
  • the circumferential surfaces 11 facing side surfaces of the connecting web 13 may be adapted in shape to a Wälz Eisengeometrie, ie, for example, have a curvature corresponding to a WälzSystemober Construction.
  • This allows in the assembled state an improved and more stable guidance of the rolling elements.
  • the plastic bearing cage segments 10 shown by way of example in FIGS. 1a to 1c can now be connected to a bearing cage for a rolling bearing by means of mounting parts which run along the circumferential webs 12 and be mounted, for example, on a bearing inner ring.
  • embodiments also provide a method and a procedure for producing or mounting such a bearing cage.
  • the mounting of a bearing cage according to the invention initially comprises providing at least one mounting part, wherein, two or more mounting parts for both axial ends or peripheral webs of the bearing cage can be provided. Furthermore, provision is made for a plurality of the described bearing cage segments 10, wherein each of the bearing cage segments 10 has a coupling arrangement 14, 15, 16, which is designed to arrange the bearing cage segment 10 on the at least one mounting part.
  • the provided Lagerkkfigsegmente 10 are then threaded during assembly on the at least one mounting member 22, or vice versa, so that at least one pocket for receiving a rolling element is formed by means of two arranged in the circumferential direction on the mounting part Lagerrithfigseg- elements 10.
  • the bearing cage 20 has a plurality of bearing cage segments 10 for receiving rolling elements 21 in rolling bearing pockets formed by the bearing cage segments 10, each of the cage cage segments 10 having a coupling arrangement 14, 15, 16 formed around the respective cage cage segment 10 on at least one mounting member 22 réellefädeln, which is adaptable to a ring contour of the rolling bearing or the bearing ring 23.
  • the hybrid bearing cage 20 also has two axially spaced mounting parts
  • an annular shape of the bearing cage body in an assembled state of the bearing cage 20, can be formed by a shape of the bearing inner ring
  • a length of the two axially spaced mounting parts 22 on a diameter or circumference of the bearing inner ring 23 are adapted so that the diameter of the annular around the bearing ring 23 circumferential mounting members 22 substantially this outer diameter of the bearing inner ring 23 or the bearing pitch circle diameter corresponds - depending on the radial positioning of the Montageseilkopp ment arrangement 15, 16th
  • an original length or circumference of a mounting member 22 so preferably only be chosen larger than the circumference of the assembly underlying bearing inner ring 23, so that a comfortable installation of the cage segments 10 is possible.
  • the circumference of a mounting part 22 can then be adapted to the circumference of the bearing inner ring 23, so that the bearing cage segments 10 coupled to the at least one mounting part 22 are held on the bearing inner ring 23 as securely as possible.
  • this adaptation could, for example, by a flexible, stretchable or rubber-like mounting member 22 can be accomplished, which can be expanded before and during assembly to a first required larger circumferential extent, and then during or after assembly to a corresponding to the bearing inner circumference circumference to contract.
  • the adaptation to the Lagerinnenringphasesdorf can be accomplished, for example by means of a suitable clamping device, which is formed to det, for example, after mounting the bearing cage 20, the at least one mounting member 22 so that the formed by the threaded bearing cage segments 10 Bearing cage 20 in the assembled state to an outer contour of the bearing inner ring 23 of the rolling bearing adapts and the rollers held by the bearing cage 21 can roll in operation on the bearing inner ring 23.
  • a tensioning device is indicated in the figure 2 by the reference numeral 24. They will be discussed in more detail below.
  • embodiments of the present invention provide a mounting device 27 configured to move one end of the mounting member 22a from the mounting position first to a (far from the mounting position) axially spaced coupling assembly 16 of a bearing cage segment 10, then through the axially remote side Coupling assemblies 16 through all located on the bearing inner ring 23 Lagerkkfigsegmente 10 through, and finally to move back towards the mounting position.
  • the mounting device 27 as shown in the enlarged view of Figure 3, an axial cross member 31 having two axially separate extending passages 32, 33, which at a (to the mounting position) remotely At the end 34 of the traverse 31 open in different circumferential directions to initially supply the end of the mounting member 22a in the circumferential direction of a coupling assembly 16 and redirect the same end of the mounting member 22a again from the circumferential direction axially outwards to the mounting position after the annular threading.
  • the (dis) assembly of the bearing in a gearbox via the insertion of the traverse and a cable pulling the tensioning cable 22a are guided on the bearing inside.
  • FIG. 4 shows, in a perspective and enlarged view, a cable pull-in aid or tensioning device 41 coupled to the traverse 27 for the mounting part 22a which extends axially away from the mounting position.
  • the mounting part 22a between an upper and a lower jaw 42a, 42b of the clamping device 41 for example, by means of radially acting screws 43 are clamped.
  • a fine adjustment of the bias of the remote mounting member 22 a can be made by a distance of the clamping device 41 is adjusted to an axial stop plate 45.
  • the assembly position facing mounting member 22 b can be held by means of a tensioning device associated with this cable 46 to tension, so that the Lagerkarfig- segments 10 can be captive coupled to the bearing inner ring or clamped.
  • the voltage of the mounting member 22b can be adjusted for example by means of the tensioning device 46 located screws.
  • the mounting parts 22 running on the circumferential webs 12 can thus be pretensioned such that corresponding bearing surfaces of the bearing cage segments 10 are pressed onto contact surfaces of the bearing inner ring 23 intended for this purpose, as shown by way of example with reference to the tapered roller bearing schematically illustrated in FIG.
  • inventions can be used particularly preferably for bearings or bearing cages with a diameter from 300 mm, since plastic solid cages, as already described at the beginning, are relatively difficult to realize on this scale.
  • embodiments include combined metal-plastic bearing cages with a diameter of 300 mm and above, in particular 350 mm and above.
  • at least one mounting part, but preferably two mounting parts are held in a form-fitting manner by (pre-positioned) plastic segments by threading the mounting parts through corresponding bushings, or vice versa.
  • the mounting parts can metallic mounting parts such. As steel cables, be.
  • An inventive combined metal-plastic bearing cage can not fall apart even if the preload of the mounting parts.
  • the proposed concept makes it possible to provide runway or shoulder guided metal-plastic bearing cages.

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Rolling Contact Bearings (AREA)

Abstract

La présente invention concerne une cage de palier (20) pour un palier à roulement, comprenant une pluralité de segments de cage de palier (10) destinés à recevoir des éléments de roulement (21) dans des poches d'éléments de roulement formés par les segments de cage de palier (10). Chacun des segments de cage de palier présente un dispositif d'accouplement (14; 15; 16) conçu pour enfiler au moyen du dispositif d'accouplement (14; 15; 16) le segment de cage de palier (10) sur au moins un câble d'assemblage (22) adaptable à un profil annulaire du palier à roulement; et au moins un câble d'assemblage (22) servant à enfiler la pluralité de segments de cage de palier (10) sur le câble d'assemblage (22) au moyen de leurs dispositifs d'accouplement respectifs (14; 15; 16) de manière à pouvoir former au moins une poche d'éléments de roulement au moyen de deux segments de cage de palier (10) adjacents dans la direction circonférentielle et enfilés sur le câble d'assemblage.
EP12799138.8A 2011-12-19 2012-12-05 Cage de palier, segment de cage de palier et procédé d'assemblage de la cage de palier Withdrawn EP2795146A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102011089078.5A DE102011089078B4 (de) 2011-12-19 2011-12-19 Lagerkäfig und Verfahren zur Herstellung desselben
PCT/EP2012/074530 WO2013092217A1 (fr) 2011-12-19 2012-12-05 Cage de palier, segment de cage de palier et procédé d'assemblage de la cage de palier

Publications (1)

Publication Number Publication Date
EP2795146A1 true EP2795146A1 (fr) 2014-10-29

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EP12799138.8A Withdrawn EP2795146A1 (fr) 2011-12-19 2012-12-05 Cage de palier, segment de cage de palier et procédé d'assemblage de la cage de palier

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Country Link
US (1) US9217470B2 (fr)
EP (1) EP2795146A1 (fr)
DE (1) DE102011089078B4 (fr)
WO (1) WO2013092217A1 (fr)

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Also Published As

Publication number Publication date
US9217470B2 (en) 2015-12-22
CN104114888A (zh) 2014-10-22
DE102011089078B4 (de) 2014-11-27
WO2013092217A1 (fr) 2013-06-27
US20150043863A1 (en) 2015-02-12
DE102011089078A1 (de) 2013-06-20

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