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
  • F16C19/00—Bearings with rolling contact, for exclusively rotary movement
  • F16C19/50—Other types of ball or roller bearings
  • F16C19/502—Other types of ball or roller bearings with rolling elements in rows not forming a full circle
• • 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
  • F16C19/44—Needle 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
  • F16C33/30—Parts of ball or roller bearings
  • F16C33/46—Cages for rollers or needles
• • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
  • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
  • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
  • F16C33/00—Parts of bearings; Special methods for making bearings or parts thereof
  • F16C33/30—Parts of ball or roller bearings
  • F16C33/46—Cages for rollers or needles
  • F16C33/4605—Details of interaction of cage and race, e.g. retention or centring
• • 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
  • F16C2361/00—Apparatus or articles in engineering in general
  • F16C2361/45—Brakes

Definitions

• the invention relates to a segment bearing arrangement with the features of the preamble of claim 1.
• Rolling bearings have in many designs an outer ring, an inner ring and rollers arranged therebetween rolling elements, so that the rings can rotate to each other.
• segment bearings are used for pivotal movements.
• Such segment bearings usually extend over an angular range about their pivot axis, which is formed smaller than 360 degrees.
• the published patent application DE 10 2005 034 739 A1 which is probably the closest prior art, discloses a mounting of a pivotable lever, wherein the lever is supported relative to a surrounding structure via a segment bearing.
• the segment bearing comprises an outer and an inner bearing half shell, between which rollers are arranged in a cage.
• the bearing shells are permanently connected to each other.
• the object of the invention relates to a segment bearing arrangement, which is designed in particular as a radial bearing arrangement.
• the segment bearing assembly allows a relative pivoting of two bearing partners about a pivot axis as a major axis of the segment bearing assembly.
• the segment bearing arrangement extends around the main axis by an angular range of less than 360 degrees, in particular less than 180 degrees.
• the segment bearing has a cage and a plurality of rollers, wherein the rollers are arranged in the cage.
• the rollers are designed as needle rollers.
• the needle rollers have a length-to-diameter ratio, which is preferably greater than 4: 1, preferably greater than 6: 1 and in particular greater than 8: 1.
• the rollers, in particular needle rollers are arranged in one or more rows in the cage.
• the segment bearing arrangement has a bearing part shell, which comprises a raceway for the rollers as the raceway carrier.
• the rollers roll on the track of the bearing part shell, so that the roller-filled cage is pivotally mounted on the bearing part shell about the main axis in the direction of rotation by a pivot angle.
• the bearing part shell has side walls, which are designed for axial guidance of the cage.
• the bearing part shell is formed as a metal and / or sheet metal shell.
• the bearing part shell is realized as a forming part.
• the side walls are realized as deformed metal sections, in particular forming or flange shelves.
• the side rims preferably extend in a plane that is perpendicular to the main axis. In normal operation, the cage can run in the axial direction on the side rims, so that the cage is guided by the side rims.
• the cage is secured against radial falling out in the direction of the main axis, namely by the cage enters into a frictional connection with the side rims.
• the frictional connection between the cage and side shelves thus ensures that the segment bearing assembly can not disintegrate during assembly.
• an assembly of the segment bearing assembly in a surrounding construction is also made difficult by the fact that due to the non-continuous bearing part shell in the circumferential direction of the cage accidentally fall out of the bearing shell part. This is a hindrance in a final assembly, because although possibly the bearing shell part can be set in the surrounding construction, but the cage is first fixed by a bearing partner in the working position.
• the invention proposes that the cage enters into a frictional connection with the side rims, so that it can not fall out due to the frictional engagement. By the Frictional connection is thus ensured that in the final assembly of the cage always remains in the mounted position in the bearing part shell. In this way, the final assembly is simplified and also prevents assembly errors.
• the cage in the bearing part shell in particular between the side rims, is clamped in the axial direction to form the frictional connection.
• the cage in the bearing part shell in particular between the side rims in a radial plan view in an interference fit, in particular in an interference fit, arranged. There is thus an overlap between the cage and the bearing shell, in particular the side rims of the bearing shell.
• the press-fit of the clamped state or the frictional connection is formed. In an initial assembly of the cage with the rollers can be easily inserted into the bearing part shell, in particular pressed, and there is sufficiently secured by the frictional connection for transport and final assembly.
• the cage has at least one frictional engagement element, wherein the frictional engagement element is frictionally supported on at least one of the side walls.
• the cage has such Reib gleichorgane on both axial sides. The one or more frictional elements widen the cage in the axial direction, so that the frictional connection between the cage and side shelves takes place.
• the frictional engagement elements are designed as wear elements, wherein it is provided that the frictional engagement elements grind off during a relative movement between the cage and the bearing part shell, in particular the side walls other way, so that the cage is released for a particular low-friction operation.
• the cage is used with the Reib gleichorganen in the bearing part shell and the segment bearing assembly used for example in a surrounding construction for final assembly.
• the Reib gleichorgane as wear organs constructive and / or material technology are designed so that they separate automatically from the body of the cage in a relative movement between bearing shell and cage, in particular abrade, and thereby wear.
• the frictional engagement elements are formed from a plastic.
• the plastic has the advantage that it can wear out during a relative movement between the cage and bearing shell part over time and thus can separate. It can be provided that the Reib gleichorgane are fixed to the side rims.
• the Reib gleichorgane are attached to the cage, in particular integrally formed. It is particularly preferred that the cage is realized with the Reib gleichorganen as a plastic cage.
• the ReibBankorgane can be taken into account in the design of the tool for the plastic cage, so that they can be formed without additional costs to the cage.
• the Reib gleichorgane are formed for example as nubs, which extend away in the axial direction of side ring portions of the cage and abut with their free ends on the side rims.
• the Segment bearing assembly has end stop devices, wherein the end stop means are designed for positive locking against falling out of the cage in the direction of rotation.
• the rollers are positively secured in the cage in the direction of the main axis of the cage. At least in the assembled state of cage and bearing shell part, the rollers are captively caught in the cage.
• the rollers in the cage by the cage captive, in particular self-holding are arranged.
• the rollers are captively secured in the cage without bearing shell.
• the plurality of rollers are held in the cage in all directions, in particular radially inwardly, radially outwardly and axially positively in both directions by the cage.
• the roller-filled cage forms a self-retaining subassembly assembly, wherein accidental loss of individual roles during assembly to the preassembly assembly for segment bearing assembly or in the final assembly is excluded.
• the cage is designed as a Filigrankarfig.
• a Filigranhimfig a single shot is provided for each of the roles.
• the cage thus has a plurality of individual receptacles, wherein in each case a single role is arranged in the individual receptacles.
• the cage may be formed in one or more rows to accommodate one or more rows of rollers.
• the rollers in the cage are full-roll - also called vollnadelig - arranged.
• the rollers are preferably placed close to one another in the direction of rotation about the main axis, that a maximum number of rollers can be arranged in the direction of rotation.
• the sum of all free distances in the direction of rotation is smaller than the diameter of a roll in the direction of rotation. Due to the full complement arrangement, the largest possible radial load capacity of the segment bearing arrangement is achieved while at the same time saving space.
• the rollers each have their own axis of rotation, wherein the totality of the axes of rotation defines a pitch circle diameter of the rollers. In particular, in the pitch diameter, the rollers are immediately adjacent to each other, in particular full complement, arranged.
• the cage is formed as the plastic cage.
• the plastic cage can be implemented in several parts and, for example, have two cage part shells, which together form the plastic cage, with a cage of the plastic cage, the cage halves are initially separated, the rollers are inserted and subsequently the cage halves are connected to each other to hold the rollers captive ,
• the connection of the cage part halves can be positive, cohesive and / or non-positive.
• the plastic cage can also be formed in one piece or in one piece, wherein webs or other holding members in the plastic cage to form the individual receptacles and to secure the rollers in the plastic cage in the radial direction are elastic, so that the rollers can be pressed into the plastic cage , wherein the webs or retaining members are elastically deformed when pressed.
• the segment bearing arrangement is designed as a pivot lever arrangement, in particular with a Switzerlandspannhebel for a brake or for a stabilizing rod of a hydraulic unit.
• the pivot lever assembly includes a pivot lever, wherein the pivot lever is mounted on the roller-filled cage.
• the bearing part shell is arranged stationary in a surrounding construction and the pivot lever is pivotally mounted on the roller-filled cage relative to the surrounding structure.
• FIG. 1 shows a segment bearing arrangement in three-dimensional representation as an embodiment of the invention.
• the segment bearing assembly 1 shows a schematic three-dimensional representation of a segment bearing arrangement 1 as an embodiment of the invention.
• the segment bearing assembly 1 is formed as a radial bearing. It extends over less than 360 degrees and is limited as a segment bearing in this example to an angular range about a major axis of the segment bearing assembly 1 of less than 180 degrees.
• the segment bearing arrangement 1 is designed to pivot two bearing partners to each other about the main axis.
• the segment bearing arrangement 1 has a plastic cage 2 and a bearing part shell 3.
• a plurality of rollers 4 formed as needle rollers is arranged in the plastic cage 2.
• the roll-filled plastic cage 2 can be pivoted in the bearing part shell 3 in the direction of rotation about the main axis by a pivot angle by rolling the rollers 4 on a raceway 5 of the bearing part shell 3 and the plastic cage 2 moves by a pivoting S in the bearing part shell 3.
• the raceway 5 forms a straight cylinder jacket surface whose central axis lies on the main axis.
• the bearing part shell 3 is formed in this example as a bearing half shell and as a metal component, in particular as a metal forming part realized.
• the bearing part shell 3 has on the axial sides in each case a side board 6, which leads the plastic cage 2 in the axial direction and at the same time secures against falling out.
• end stop means 7 are formed in the form of radially inwardly bent end stops 8 in the form of tab sections which limit the pivoting S and thus the pivot angle in the direction of rotation on both sides, so that the plastic cage 2 in the circumferential direction about the main axis form-fitting is secured.
• the plastic cage 2 is designed to hold the rollers 4 captive.
• the plastic cage 2 has individual receptacles 9, in each of which a roller 4 is arranged.
• the individual receptacles 9 are bounded in the radial direction inwards to the main axis by stub stubs 10, which extend in the axial direction only over a partial section of the rollers 4.
• the plastic cage 2 keeps the rollers 4 captive even without the bearing part shell 3, wherein on the radial outer side (not shown) further web stub or even continuous webs are arranged so that the rollers are secured in the radial direction inwardly by the stub shaft 10 positively against falling out and are secured in the direction radially outward by the stub stems or webs, not shown against falling out in the radial direction to the outside.
• the web stub 10 have the advantage that the rollers 4 can be pressed in the plastic cage 2 by an elastic deformation of the web stub 10 and thereby inserted.
• the plastic cage 2 has webs on the shown front side and has the web stub on its rear side, so that the plastic cage 2 is equipped by the rear side.
• the plastic cage 2, as shown not one piece, in particular in one piece, be formed, but for example, consist of two shells, with an inner and an outer part shell can be connected to each other.
• the rollers are 4 first inserted into one of the partial shells and then secured by placing the other partial shell.
• the two partial shells can be positively, non-positively and / or materially connected to each other.
• the individual receptacles 9 are realized in this embodiment by the interaction of the two partial shells.
• the plastic cage 2 is secured in the bearing part shell 3 with respect to the direction of rotation by the Endanschlag Anlagenen 7 and in the axial direction by the side rims 6 positively against falling out or retracting.
• the cage 2 is clamped in the bearing part shell 3 in the axial direction with respect to the main axis or pivot axis.
• 2 Reib gleichorgane 1 1 are formed in the form of nubs on the axial side surfaces of the plastic cage, with two studs 1 1 are arranged on each side of the plastic cage 2 and wherein the respective opposing studs 1 1 are attached to the same axial position.
• the knobs 1 1 can be made together with the plastic cage 2, in particular, the studs 1 1 formed integrally with the plastic cage 2.
• the nubs 1 1 are made in a press fit, that is, this or the plastic cage 2 is compressed in the axial direction to the main axis. In the relaxed state, the axial width of the cage in the region of the studs 1 1 would be greater than the axial clearance between the side walls 6.
• the press fit used represents a mounting state of the segment bearing assembly 1.
• the frictional connection represents a transport and / or mounting backup for the segment bearing assembly.
• the frictional connection is designed to be self-resolving during operation, so that after some operating time no functional disadvantages due to the frictional connection remain.

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

Priority Applications (2)

Applications Claiming Priority (2)

Publications (1)

Family

ID=52633016

Family Applications (1)

Country Status (4)

Cited By (1)

Citations (3)

Family Cites Families (6)

• 2014
  • 2014-04-09 DE DE102014206805.3A patent/DE102014206805A1/de not_active Ceased
• 2015
  • 2015-01-30 WO PCT/DE2015/200052 patent/WO2015154759A1/de active Application Filing
  • 2015-01-30 CN CN201580016662.0A patent/CN106133347B/zh active Active
  • 2015-01-30 EP EP15708711.5A patent/EP3129666A1/de not_active Withdrawn

Patent Citations (3)

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