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CH411476A - Conveyor roller with conical bearing, especially for runways and conveyor systems - Google Patents

Conveyor roller with conical bearing, especially for runways and conveyor systems

Info

Publication number
CH411476A
CH411476A CH1491061A CH1491061A CH411476A CH 411476 A CH411476 A CH 411476A CH 1491061 A CH1491061 A CH 1491061A CH 1491061 A CH1491061 A CH 1491061A CH 411476 A CH411476 A CH 411476A
Authority
CH
Switzerland
Prior art keywords
bearing
support roller
axis
roller according
runways
Prior art date
Application number
CH1491061A
Other languages
German (de)
Inventor
Unger Hans
Schultes Fritz
Original Assignee
Star Kugelhalter Gmbh Dt
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 Star Kugelhalter Gmbh Dt filed Critical Star Kugelhalter Gmbh Dt
Publication of CH411476A publication Critical patent/CH411476A/en

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
    • F16C33/72—Sealings
    • F16C33/76—Sealings of ball or roller bearings
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
    • B65G39/00—Rollers, e.g. drive rollers, or arrangements thereof incorporated in roller-ways or other types of mechanical conveyors 
    • B65G39/02—Adaptations of individual rollers and supports therefor
    • B65G39/09—Arrangements of bearing or sealing means
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
    • B65G45/00—Lubricating, cleaning, or clearing devices
    • B65G45/02—Lubricating devices
    • B65G45/04—Lubricating devices for 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
    • F16C13/00—Rolls, drums, discs, or the like; Bearings or mountings therefor
    • F16C13/02—Bearings
    • F16C13/022—Bearings supporting a hollow roll mantle rotating with respect to a yoke or axle
    • 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
    • F16C19/02—Bearings with rolling contact, for exclusively rotary movement with bearing balls essentially of the same size in one or more circular rows
    • F16C19/14—Bearings with rolling contact, for exclusively rotary movement with bearing balls essentially of the same size in one or more circular rows for both radial and axial load
    • F16C19/16—Bearings with rolling contact, for exclusively rotary movement with bearing balls essentially of the same size in one or more circular rows for both radial and axial load with a single row of balls
    • F16C19/163—Bearings with rolling contact, for exclusively rotary movement with bearing balls essentially of the same size in one or more circular rows for both radial and axial load with a single row of balls with angular contact
    • 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
    • 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
    • F16C33/80—Labyrinth sealings
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • 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
    • F16C35/07—Fixing them on the shaft or housing with interposition of an element
    • F16C35/077—Fixing them on the shaft or housing with interposition of an element between housing and outer race ring
    • 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
    • F16C2326/58—Conveyor systems, e.g. rollers or bearings therefor

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Sealing Of Bearings (AREA)
  • Sealing Using Fluids, Sealing Without Contact, And Removal Of Oil (AREA)
  • Rolling Contact Bearings (AREA)

Description

  

  
 



  Tragrolle mit   Konuslager,    insbesondere für Rollbahnen und Förderanlagen
Die Erfindung betrifft eine Tragrolle mit Konuslager, insbesondere für Rollbahnen und Förderanlagen, welche Tragrolle aus einem Rohrabschnitt mit an den Stirnseiten eingesetzten Lagerträgern zur Aufnahme von Wälzlagern, aus feststehenden Lagerzapfen oder einer feststehenden Lagerachse und aus hieran befestigten Scheiben zum Abschluss der Lager und Lagerträger besteht. Bei bekannten Lagern dieser Gattung bestehen die Lagerträger aus Blech. Die Herstellung solcher Lagerträger ist einmal verhältnismässig teuer und zum anderen sind solche Lagerträger korrosionsempfindlich, was besonders dort nachteilig ist, wo Förderanlagen in einer Umgebung betrieben werden, welche die Korrosion der Lagerträger begünstigt.



   Die erfindungsgemässe Tragrolle der eingangs genannten Gattung ist dadurch gekennzeichnet, dass jeder Lagerträger aus Kunststoff besteht und der äussere Lagerring des Wälzlagers konisch ausgebildet ist und in einer in den Lagerträger eingeformten Nut liegt. Ein gemäss der Erfindung ausgebildetes Konuslager hat gegenüber den bekannten wesentliche Vorteile. Infolge der Ausbildung der Lagerträger aus Kunststoff sind die Lager besonders geeignet für Betriebe, in denen sie viel mit Feuchtigkeit, Säuren oder laugenartigen Flüssigkeiten in Berührung kommen.



   Die Lagerträger können die Lagerzapfen bzw.



  Lagerachse mit geringem Spiel umgeben und eine ringförmig gestaltete Dichtlippe aufweisen, die an dem Lagerzapfen bzw. der Lagerachse dichtend anliegt.



   Gemäss einer Ausführungsform bestehen die auf den Lagerzapfen bzw. der Lagerachse oder auf den hierauf sitzenden Lagerkonussen befestigten Abdeckscheiben aus Kunststoff. Wenn auch die Abdeckscheiben aus Kunststoff bestehen, lassen sich wirksame Labyrinthdichtungen ohne jeden Kostenaufwand herstellen, und zwar in einer solchen Form, dass die Zugänglichkeit zum hinter den Labyrinthdichtungen liegenden Lagerraum nicht behindert wird. Es kann deshalb vorgesehen sein, dass an den Lagerträgern und den Abdeckscheiben axial gerichtete Vorsprünge so angeformt sind, dass die ineinandergreifenden Vorsprünge beider Teile eine oder mehrere Labyrinthdichtungen bilden.



   Ferner kann in die Abdeckscheiben ein Schmiernippel oder eine Öffnung zur Aufnahme des Schmiernippels eingeformt sein. Der Nippel lässt sich dabei so anordnen, dass das eingepresste Fett auf kürzestem Wege dem Lagerraum zugeführt werden kann. Dieser Raum kann zudem in seinen Abmessungen klein gehalten werden.



   Ein Ausführungsbeispiel der Erfindung ist im folgenden anhand der Zeichnung beschrieben, die einen Längsschnitt durch das eine Ende einer Tragrolle zeigt, die auf einer feststehenden durchgehenden Achse mit einem Lager gelagert ist.



   In der Zeichnung ist der die Rolle bildende Rohrabschnitt mit 1 bezeichnet. Hierin eingesetzt sind scheibenförmige Lagerträger 2 aus Kunststoff, die einmal einen in das Innere der Tragrolle vorspringenden napfartigen Teil 3 und zum anderen einen zylindrischen Teil 4 zur Befestigung und Zentrierung der Lagerträger im Rohrabschnitt 1 aufweisen. Die zylindrischen Teile 4 haben am äusseren Ende einen Anschlag 5, der die Lagerträger in axialer Richtung festlegt, und sind durch Rippen 6 versteift, die an der kegligen Seitenwand 7 des napfförmigen Teiles 3 ansetzen. In diese Wand ist die den äusseren Lagerring 8 aufnehmende Nut des Wälzlagers 9 eingeformt. Der Ring 8 ist konisch gestaltet und auswechselbar.

   Der Teil 3 des Lagerträgers hat eine Öffnung 10 zum   Durchtritt der Achse 11 und bildet längs des Umfanges dieser Öffnung eine Dichtlippe 12, die sich dichtend am Umfang der Achse 11 anlegt.



   Auf jedes Ende der Achse 11 ist ein Lagerkonus 13 aufgeschraubt, der die innere Lauffläche der Kugeln 9 des Wälzlagers bildet. Auf dem Lagerkonus 13 sitzt fest ein Deckel 14, der gleichfalls aus Kunststoff besteht. An diesem sind ringförmige Vorsprünge 15, 16 bzw. 17, 18 angeformt. Ebenso weist der Lagerträger 2 ringförmige Vorsprünge 19 bzw. 20 auf, die sich in die Zwischenräume zwischen den Vorsprüngen 15, 16 bzw. 17, 18 einschieben. Es werden so zwei Labyrinthdichtungen gebildet, die das Austreten des Fettes aus dem Lagerraum 21 verhindern. In die Scheibe 14 ist ein Schmiernippel 22 eingeformt, durch den der Raum 21 mit Fett versorgt werden kann.   



  
 



  Conveyor roller with conical bearing, especially for runways and conveyor systems
The invention relates to a support roller with a conical bearing, in particular for runways and conveyor systems, which support roller consists of a pipe section with bearing supports inserted on the end faces for receiving roller bearings, stationary bearing journals or a stationary bearing axis and disks attached to it to close off the bearings and bearing supports. In known bearings of this type, the bearing brackets are made of sheet metal. The production of such bearing brackets is relatively expensive and on the other hand such bearing brackets are sensitive to corrosion, which is particularly disadvantageous where conveyor systems are operated in an environment which favors the corrosion of the bearing brackets.



   The support roller according to the invention of the type mentioned at the beginning is characterized in that each bearing carrier is made of plastic and the outer bearing ring of the roller bearing is conical and lies in a groove formed in the bearing carrier. A conical bearing designed according to the invention has significant advantages over the known ones. Due to the fact that the bearing supports are made of plastic, the bearings are particularly suitable for operations in which they come into contact with moisture, acids or alkaline liquids.



   The bearing brackets can use the bearing journals or



  Surround the bearing axis with little play and have an annular sealing lip which rests in a sealing manner on the bearing journal or the bearing axis.



   According to one embodiment, the cover disks attached to the bearing journals or the bearing axis or to the bearing cones seated thereon are made of plastic. If the cover disks are also made of plastic, effective labyrinth seals can be produced at no cost, and in such a form that access to the storage space behind the labyrinth seals is not hindered. It can therefore be provided that axially directed projections are integrally formed on the bearing carriers and the cover disks in such a way that the interlocking projections of the two parts form one or more labyrinth seals.



   Furthermore, a grease nipple or an opening for receiving the grease nipple can be molded into the cover disks. The nipple can be arranged in such a way that the pressed-in fat can be fed to the storage room by the shortest possible route. This space can also be kept small in terms of its dimensions.



   An embodiment of the invention is described below with reference to the drawing, which shows a longitudinal section through one end of a support roller, which is mounted on a stationary continuous shaft with a bearing.



   In the drawing, the tube section forming the roller is denoted by 1. Disc-shaped bearing brackets 2 made of plastic are used therein, which have a cup-like part 3 protruding into the interior of the support roller and a cylindrical part 4 for fastening and centering the bearing brackets in the pipe section 1. The cylindrical parts 4 have a stop 5 at the outer end, which fixes the bearing carrier in the axial direction, and are stiffened by ribs 6 which attach to the conical side wall 7 of the cup-shaped part 3. The groove of the roller bearing 9 receiving the outer bearing ring 8 is molded into this wall. The ring 8 is conical and exchangeable.

   The part 3 of the bearing carrier has an opening 10 for the axis 11 to pass through and forms a sealing lip 12 along the circumference of this opening, which rests against the circumference of the axis 11 in a sealing manner.



   A bearing cone 13, which forms the inner running surface of the balls 9 of the rolling bearing, is screwed onto each end of the axle 11. A cover 14, which is also made of plastic, sits firmly on the bearing cone 13. On this annular projections 15, 16 and 17, 18 are formed. The bearing bracket 2 likewise has annular projections 19 and 20, which slide into the spaces between the projections 15, 16 and 17, 18, respectively. In this way, two labyrinth seals are formed which prevent the grease from escaping from the storage space 21. A grease nipple 22 is molded into the disk 14, through which the space 21 can be supplied with grease.

Claims (1)

PATENTANSPRUCH Tragrolle mit Konuslager, insbesondere für Rollbahnen und Förderanlagen, welche Tragrolle aus einem Rohrabschnitt mit an den Stirnseiten eingesetzten Lagerträgern zur Aufnahme von Wälzlagern, aus feststehenden Lagerzapfen oder einer feststehenden Lagerachse und aus hieran befestigten Scheiben zum Abschluss der Lager und Lagerträger besteht, dadurch gekennzeichnet, dass jeder Lagerträger (2) aus Kunststoff besteht und der äussere Lagerring (8) des Wälzlagers konisch ausgebildet ist und in einer in den Lagerträger (2) eingeformten Nut liegt. PATENT CLAIM Support roller with conical bearings, in particular for runways and conveyor systems, which support roller consists of a pipe section with bearing supports inserted on the end faces to accommodate rolling bearings, stationary bearing journals or a stationary bearing axis and disks attached to it to close off the bearings and bearing supports, characterized in that each bearing bracket (2) is made of plastic and the outer bearing ring (8) of the roller bearing is conical and is located in a groove formed in the bearing bracket (2). UNTERANSPRÜCHE 1. Tragrolle nach Patentanspruch, dadurch gekennzeichnet, dass die Lagerträger (2) die Lagerzapfen bzw. Lagerachse (11) mit geringem Spiel umgeben und eine ringförmig gestaltete Dichtlippe (12) aufweisen, die an den Lagerzapfen bzw. der Lagerachse dichtend anliegt. SUBCLAIMS 1. Support roller according to claim, characterized in that the bearing bracket (2) surround the bearing pin or bearing axis (11) with little play and have an annular sealing lip (12) which rests sealingly on the bearing pin or the bearing axis. 2. Tragrolle nach Patentanspruch, dadurch gekennzeichnet, dass die auf den Lagerzapfen bzw. der Lagerachse oder auf den hierauf sitzenden Lagerkonussen befestigten Abdeckscheiben (14) aus Kunststoff bestehen. 2. Support roller according to claim, characterized in that the cover disks (14) fastened on the bearing journals or the bearing axis or on the bearing cones seated thereon are made of plastic. 3. Tragrolle nach Patentanspruch und Unteranspruch 2, dadurch gekennzeichnet, dass an den Lagerträgern (2) und den Abdeckscheiben (14) axial gerichtete Vorsprünge (15 bis 19) so angeformt sind, dass die ineinandergreifenden Vorsprünge beider Teile eine oder mehrere Labyrinthdichtungen bilden. 3. Support roller according to claim and dependent claim 2, characterized in that axially directed projections (15 to 19) are formed on the bearing supports (2) and the cover disks (14) so that the interlocking projections of both parts form one or more labyrinth seals. 4. Tragrolle nach Unteranspruch 2, dadurch gekennzeichnet, dass in die Abdeckscheiben (14) ein Schmiernippel (22) oder eine Öffnung zur Aufnahme des Schmiernippels eingeformt ist. 4. Support roller according to dependent claim 2, characterized in that a lubricating nipple (22) or an opening for receiving the lubricating nipple is formed in the cover disks (14).
CH1491061A 1960-12-29 1961-12-21 Conveyor roller with conical bearing, especially for runways and conveyor systems CH411476A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DED0035059 1960-12-29

Publications (1)

Publication Number Publication Date
CH411476A true CH411476A (en) 1966-04-15

Family

ID=7042474

Family Applications (1)

Application Number Title Priority Date Filing Date
CH1491061A CH411476A (en) 1960-12-29 1961-12-21 Conveyor roller with conical bearing, especially for runways and conveyor systems

Country Status (3)

Country Link
CH (1) CH411476A (en)
FR (1) FR1309019A (en)
NL (1) NL272820A (en)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2429728A1 (en) * 1978-07-01 1980-01-25 Skf Kugellagerfabriken Gmbh CONVEYOR BELT ROLLER
EP0015738A1 (en) * 1979-03-09 1980-09-17 Skf (U.K.) Limited Bearing assemblies for conveyor rollers fitted with end covers
US4339158A (en) * 1979-03-09 1982-07-13 Skf (U.K.) Limited End cap assemblies for conveyor rollers
FR2526892A1 (en) * 1982-05-15 1983-11-18 Skf Kugellagerfabriken Gmbh BEARING ASSEMBLY FOR CARRIER OR SIMILAR ROLLERS
EP1705374A1 (en) * 2005-03-04 2006-09-27 Tecumseh do Brasil Ltda. Anti-friction thrust bearing centering device for airtight refrigeration compressors

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE7731602U1 (en) * 1977-10-13 1978-01-26 Skf Kugellagerfabriken Gmbh, 8720 Schweinfurt ROLLER BEARING FOR TAPE ROLLERS
CA1227912A (en) * 1983-04-26 1987-10-13 John W. Black Two part wheel bracket assembly and a method of making it
US4759097A (en) * 1983-04-26 1988-07-26 Standex International Corporation Wheel bracket assembly having two part wheel bracket and a method of making the wheel bracket assembly

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2429728A1 (en) * 1978-07-01 1980-01-25 Skf Kugellagerfabriken Gmbh CONVEYOR BELT ROLLER
EP0015738A1 (en) * 1979-03-09 1980-09-17 Skf (U.K.) Limited Bearing assemblies for conveyor rollers fitted with end covers
US4339158A (en) * 1979-03-09 1982-07-13 Skf (U.K.) Limited End cap assemblies for conveyor rollers
FR2526892A1 (en) * 1982-05-15 1983-11-18 Skf Kugellagerfabriken Gmbh BEARING ASSEMBLY FOR CARRIER OR SIMILAR ROLLERS
EP1705374A1 (en) * 2005-03-04 2006-09-27 Tecumseh do Brasil Ltda. Anti-friction thrust bearing centering device for airtight refrigeration compressors

Also Published As

Publication number Publication date
FR1309019A (en) 1962-11-09
NL272820A (en)

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