WO1999026870A1 - Connection system on a carrying garland - Google Patents

Connection system on a carrying garland Download PDF

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Publication number
WO1999026870A1
WO1999026870A1 PCT/DE1998/003264 DE9803264W WO9926870A1 WO 1999026870 A1 WO1999026870 A1 WO 1999026870A1 DE 9803264 W DE9803264 W DE 9803264W WO 9926870 A1 WO9926870 A1 WO 9926870A1
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WO
WIPO (PCT)
Prior art keywords
leg
connecting element
connecting elements
support
connection arrangement
Prior art date
Application number
PCT/DE1998/003264
Other languages
German (de)
French (fr)
Inventor
Aleksander Kubacki
Richard Lingner
Original Assignee
Rheinbraun Aktiengesellschaft
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 Rheinbraun Aktiengesellschaft filed Critical Rheinbraun Aktiengesellschaft
Priority to AU16624/99A priority Critical patent/AU1662499A/en
Publication of WO1999026870A1 publication Critical patent/WO1999026870A1/en

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Classifications

    • 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 
    • B65G39/10—Arrangements of rollers
    • B65G39/12—Arrangements of rollers mounted on framework
    • B65G39/16—Arrangements of rollers mounted on framework for aligning belts or chains
    • 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 
    • B65G39/10—Arrangements of rollers
    • B65G39/12—Arrangements of rollers mounted on framework
    • B65G39/14—Spring-supported sets, e.g. permitting troughing of a load-carrying belt

Definitions

  • the invention relates to a connection arrangement on a garland idler roller set according to the preamble of claim 1.
  • Garland carrier roller sets of this type which as a result are a chain formed from the rollers, are suspended from a supporting frame.
  • garland carrier roller sets are preferred over the carrier roller sets rigidly arranged in scaffolding because, in addition to the much simpler construction of the belt support frame, they also have the advantage of a garland that can be freely adjusted under the weight of the belt Geometry, which fact leads to a more even bearing behavior of the rollers.
  • garland idler roller sets can be lowered during operation, so that a defective idler roller disengages from the belt it carries.
  • connection between the garland support roller set and the supporting structure and between two adjacent support rollers of the garland support roller set requires a relatively large amount of work when using known connecting elements.
  • This offset arrangement of the at least one central idler roller relative to the lateral idler rollers takes into account the fact that the garland idler roller set is so far out of the geometrically optimal position, due to the movement resistances acting on it, and also due to gravity in the case of an inclined belt axis the idler roller axis is aligned perpendicular to the belt running direction, is pivoted until the forces acting on the idler roller set, weight of the idler roller set, load from the belt and load, and resistance to movement - again create a balance of moment around the suspension points of the garland. The twist takes place around the axis, which is determined by the two suspension points of the garland.
  • the lateral support rollers In the position pivoted relative to the geometrically optimal position, the lateral support rollers form a camber angle with the belt running direction, which leads to increased resistance to movement and thus an increased power requirement.
  • the center of gravity of the garland is shifted in the direction in which the central support roller is offset from this plane. This has the consequence that the garland in its starting position, in which no movement resistance acts on it, that is to say when the belt conveyor is at a standstill, has a design-related camber angle, that is to say that the side rollers are inclined against the belt running direction.
  • this camber angle which is due to the design, is Siert, whereby with appropriate choice of the length of the distance by which the middle idler is offset, the dynamic camber angle, i.e. the camber angle caused by the running belt, can correspond to the constructive camber angle and thus, since both camber angles are opposite to each other, the resulting Camber angle becomes zero. Due to the changing and fluctuating loading of the belt, this will often only be an ideal condition to be aimed for.
  • the invention has for its object to perform the connecting elements used for the connection of two components of a supporting structure provided with garland idler roller sets for a belt conveyor in such a way that they are simple to manufacture and easy to handle and, if necessary, without any significant additional expense can be configured that the at least one central support roller is arranged offset from the lateral support rollers in the sense described above.
  • the aim is that in this case too, the amount of work required to establish the connection remains low.
  • connection Two connecting elements are therefore required for each connection, which can be configured in the same way and have two legs running essentially at right angles to one another, of which the first leg effects the connection between this element and the first of the two components to be connected to one another and the second leg is in engagement with the first leg of the other connecting element, which is also in engagement with the second component.
  • the result of this connection of the two connecting elements to one another is that they are torsionally rigid with respect to moments which act around the longitudinal axis of the central support roller.
  • the two cooperating connecting elements can be secured by means of a screw nut which can expediently be screwed onto the leg of at least one of the two connecting elements, which runs essentially perpendicular to the associated idler axis.
  • a screw nut which can expediently be screwed onto the leg of at least one of the two connecting elements, which runs essentially perpendicular to the associated idler axis.
  • this leg with an external thread at its free end, which protrudes from the second leg of the respective other connecting element.
  • connection between the axis of the respective idler roller and the connecting element interacting therewith can be made in a simple manner in that the axis is provided with an essentially radial bore through which the first leg of the connecting element can be inserted, whereby a plug connection arises, which at the same time the connection with the respective other connecting element, which is provided with a correspondingly dimensioned and positioned opening.
  • the length of the first legs of both connecting elements essentially depends on whether the two support rollers connected by the connecting unit are offset from one another or not and possibly on the extent of this offset.
  • the basic design of the connecting elements and also of the parts interacting with them is independent of the relative arrangement of the idlers.
  • two embodiments of the invention are shown in the diagram. Show it:
  • FIG. 1 is a front view of a support roller station of a belt conveyor
  • Fig. 2 is a view of a section of a garland support roller set approximately in the direction of arrows II-II in Fig. 1, partially in section
  • Fig. 3 is a view of the non-staggered connection between the support structure and garland support roller set approximately in the direction of arrow III in Fig. 1.
  • the idler shown in FIG. 1 is provided in the usual way with two idler sets 10, 12 each designed as a garland or roller chain, of which the top idler set 10 is assigned to the upper run 14 and the bottom idler set 12 to the bottom run 16 of a belt conveyor.
  • the two idler roller sets 10 and 12 are suspended from a support structure 18.
  • Each idler roller set consists of a central idler roller 20 and two lateral idler rollers 22.
  • the idler roller sets are carried by the carrier frame via brackets 24 which are attached to the carrier frame and are each connected to the lateral carrier rollers 22.
  • the two idler roller sets 10, 12 have different geometries such that the upper run 14 carried by the idler roll set 10, which is generally the conveying run, experiences a greater trough than the lower run 16.
  • FIG. 2 shows an embodiment of the connection between a central support roller 20 and one of the side support rollers 22.
  • the arrangement is such that the middle idler 20 is offset from the lateral idlers 22 by a distance 26 such that it is located in the belt running direction 28 behind the vertical plane 30, which is defined by the longitudinal axes of the lateral idlers 22 when the garland idler set is at rest.
  • the connecting unit 34 that establishes the connection between the two support rollers 20 and 22 has two connecting elements 36, 38, both of which are designed in the same way.
  • the connecting element 36 is assigned to the middle supporting roller 20, the connecting element 38 to the outer supporting roller 22.
  • Both connecting elements 36, 38 are designed at an angle such that the first leg 36a or 38a and the second leg 36b or 38b each run essentially perpendicular to one another, that is to say enclose a right angle.
  • connection between the respective connecting element 36 or 38 and the associated support roller 20 or 22 takes place via a radial bore 44, 46 made in the end region of the respective support axis 40 or 42, in which a bolt-shaped section 48 or 50 with a circular cross-section of the respective first leg 36a or 38a can be inserted.
  • the outer diameter of the bolt-shaped section 48 or 50 is adapted to the inner diameter of the bore 44 or 46 in such a way that the support axis 40 or 42 can be pivoted about the respective bolt 48, 50 without great play.
  • the second leg 36b or 38b of each connecting element 36 or 38 is provided with a hole 52 or 54, the inside diameter of which corresponds to the outside diameter of the bolt-shaped section 48 or 50.
  • the two connecting elements 36, 38 are designed and dimensioned such that, in the position which establishes the connection between the two support rollers 20, 22, the respective second leg 36b, 38b is positioned laterally next to the support axis 42 or 40 of the other roller 22, 20 in such a way is that the bore 52 or 54 is aligned with the bore 46 or 44 in the respective support axis 42 or 40 and thus the bolt-shaped section 48 or 50 of the each other connecting element 36 and 38 also extends through the bore 54 and 52 in the legs 38b and 36b.
  • the connection arrangement according to the invention excludes pivoting movements about the longitudinal axis of one of the two support rollers.
  • connection between the two support rollers 20, 22 is thus produced in such a way that a connecting element 36, 38 is connected to the axis of one of the two support rollers and at the same time both connecting elements are engaged with one another twice.
  • the two connecting elements are locked by a screw nut 56 which, in the case of the exemplary embodiment according to FIG. 2, is screwed onto the end region 58 of the bolt-shaped section 48 of the first connecting element 36 which is provided with an external thread.
  • the nut 56 can be secured against accidental loosening using suitable means.
  • a screw nut can also be attached to the end region of each of the two bolt-shaped sections 40, 50, although this is generally not necessary. 2, even if only one screw nut is used, the bolt-shaped section of the other connecting element, in this case section 50, can be provided with an external thread in order to standardize the connecting elements 36, 38 and thus to simplify their manufacture .
  • the joining of the two connecting elements 36, 38 is extremely simple, especially since the collars or shoulders 70 present on the first legs 36a, 38a form a stop, so that when the bolt-shaped sections 48 and 50 are inserted into the bore of the respective component, the correct position of the two connecting elements 36, 38 to the two components to be connected to each other and thus to each other without additional measures.
  • FIG. 3 shows details of the attachment of the garland idler roller set to the support frame 18 using the connection arrangement 34 according to the invention.
  • the support axis 42 of the lateral support roller 22 is also provided at its end facing the support frame 18 with an essentially radial bore 44, into which the bolt-shaped section 48 of the first leg 36a of the first connecting element 36 can be inserted in the manner already described.
  • the bolt-shaped section 50 of the second connecting element 38 projects through a bore 62 in the holder 24 which is essentially parallel to the bore 44 and which is carried by the supporting structure 18.
  • the bracket 24, which may also be in the form of an axle section has the function of the supporting axle of the respective second supporting roller, that is to say, for example, the supporting roller 42 according to FIG. 2.
  • Fig. 3 shows that the bracket 24 is carried by a fork piece 64 and is attached thereto by means of, for example, a welded connection.
  • the fork piece 64 is engages with an actuator 66 pivotally attached to the actual support structure 18.
  • the latter can be pivoted about a bolt 68 attached to the supporting structure 18.
  • This known actuator which is not directly related to the invention, gives the possibility of somewhat lowering the garland idler roller set by pivoting and thereby causing an additional longitudinal movement of the actuator 66 relative to the bolt 68 and thus disengaging the conveyor belt.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Structure Of Belt Conveyors (AREA)
  • Rollers For Roller Conveyors For Transfer (AREA)

Abstract

The invention relates to connecting member (36, 38) for a belt conveyor and provided with carrying garlands. Said connecting members (36, 38) are substantially rectangular in shape. The first limb (36a) of the first connecting member (36) engages with a hole in the carrying axle (40) of a carrying roller. The second limb (36b) of the first connecting member (36) is bent in a U shape in the direction of the other component and has an opening. The first limb (38a) of the second connecting member (38) also engages in a hole (54) on the second limb (36b) of the first connecting member (36). The second limb (38b) of the second connecting member has a hole (54) in which the first limb (36a) of the first connecting member (36) engages. At least one of the two first limbs (36a, 38a) is secured in a relative position to the second limb.

Description

Verbindungsanordnung an einem Girlanden-Tragrollensatz Connection arrangement on a garland idler set
Die Erfindung betrifft eine Verbindungsanordnung an einem Girlanden-Tragrollensatz gemäß dem Oberbegriff des Anspruches 1.The invention relates to a connection arrangement on a garland idler roller set according to the preamble of claim 1.
Derartige Girlanden-Tragrollensätze, bei denen es sich im Ergebnis um eine aus den Rollen gebildete Kette handelt, werden an einem Traggerüst aufgehängt. Insbesondere bei schweren Gurtförderanlagen, wie sie beispielsweise in Braunkohlenta- gebauen zur Anwendung kommen, werden Girlanden-Tragrollensätze gegenüber den in Gerüsten starr angeordneten Tragrollensätzen bevorzugt, weil sie neben der deutlich einfacheren Konstruktion des Bandtraggerüstes den Vorteil einer unter dem Gewicht des Gurtes sich frei einstellenden Girlanden-Geometrie haben, welche Tatsache zu einem gleichmäßigeren Tragverhalten der Rollen führt. Außerdem können Girlanden-Tragrollensätze im laufenden Betrieb abgesenkt werden, um so eine defekte Tragrolle außer Eingriff mit dem von ihr getragenen Gurt zu bringen.Garland carrier roller sets of this type, which as a result are a chain formed from the rollers, are suspended from a supporting frame. Especially in the case of heavy belt conveyor systems, such as those used in lignite mining, garland carrier roller sets are preferred over the carrier roller sets rigidly arranged in scaffolding because, in addition to the much simpler construction of the belt support frame, they also have the advantage of a garland that can be freely adjusted under the weight of the belt Geometry, which fact leads to a more even bearing behavior of the rollers. In addition, garland idler roller sets can be lowered during operation, so that a defective idler roller disengages from the belt it carries.
Die Herstellung der Verbindungen zwischen Girlanden-Tragrollensatz und Tragkonstruktion sowie zwischen zwei benachbarten Tragrollen des Girlanden-Tragrollensatzes erfordert bei Verwendung bekannter Verbindungselemente einen verhältnismäßig großen Arbeitsaufwand. Darüberhinaus ist es bei den bekannten Verbindungselementen nicht ohne weiteres möglich, die Tragrollen eines Girlanden-Tragrollensatzes so anzuordnen, daß wenigstens eine Tragrolle, bei der es sich im allgemeinen um die mittlere Tragrolle handelt, parallel zur Laufrichtung des von ihr gestützten Trumes des Gurtförderers mit einem Abstand gegenüber der vertikalen Ebene versetzt angeordnet ist, die durch die seitlichen Tragrollen definiert wird, und dabei die Verbindung zwischen der mittleren Tragrolle und der jeweils seitlich daneben befindlichen Tragrolle so auszuführen, daß sie verdrehsteif ist in bezug auf Momente, die um die Längsachse der mittleren Tragrolle wirken.The production of the connections between the garland support roller set and the supporting structure and between two adjacent support rollers of the garland support roller set requires a relatively large amount of work when using known connecting elements. In addition, it is not readily possible in the known connecting elements to arrange the idlers of a garland idler set so that at least one idler, which is generally the middle idler acts parallel to the direction of the belt conveyor supported by it with a distance from the vertical plane, which is defined by the lateral idlers, and thereby perform the connection between the middle idler and the idler next to it that it is torsionally rigid with respect to moments that act around the longitudinal axis of the central idler.
Diese versetzte Anordnung der wenigstens einen mittleren Tragrolle relativ zu den seitlichen Tragrollen berücksichtigt die Tatsache, daß der Girlanden-Tragrollensatz infolge der an ihm angreifenden Bewegungswiderstände - und bei geneigter Bandachse auch infolge der Schwerkraft - so weit aus der geome- trisch optimalen Lage, bei welcher die Tragrollenachse senkrecht zur Gurtlaufrichtung ausgerichtet sind, verschwenkt wird, bis die am Tragrollensatz angreifenden Kräfte Gewichtskraft des Tragrollensatzes, Auflast aus Gurt und Beladung sowie Bewegungswiderstand - wieder ein Momentengleichge- wicht um die Aufhängepunkte der Girlande erzeugen. Die Verdrehung erfolgt um die Achse, die durch die beiden Aufhänge- punkte der Girlande festgelegt ist. In der gegenüber der geometrisch optimalen Lage verschwenkten Lage bilden die seitlichen Tragrollen mit der Gurtlaufrichtung einen Sturzwinkel, der zu einem erhöhten Bewegungswiderstand und somit einem erhöhten Leistungsbedarf führt. Durch die Anordnung der wenigstens einen mittleren Tragrolle in einem Abstand von der durch die Seitenrollen definierten Ebene wird der Schwerpunkt der Girlande in die Richtung, in welcher die mittlere Tragrolle gegenüber dieser Ebene versetzt angeordnet ist, verlagert. Dies hat zur Folge, daß die Girlande in ihrer Ausgangsposition, in welcher keine Bewegungswiderstände an ihr angreifen, also bei stehendem Gurtförderer, einen konstruktiv bedingten Sturzwinkel aufweist, d.h., daß die Seitenrollen gegen die Gurtlaufrichtung geneigt sind. Unter der Auflast aus Fördergurt und Beladung sowie unter der Wirkung der am Girlanden- Tragrollensatz angreifenden Bewegungswiderstände wird dieser konstruktiv bedingte Sturzwinkel beladungsabhängig ko pen- siert, wobei bei entsprechender Wahl der Länge des Abstandes, um welchen die mittlere Tragrolle versetzt angeordnet ist, der dynamische Sturzwinkel, also der durch den laufenden Gurt verursachte Sturzwinkel, dem konstruktiven Sturzwinkel entsprechen kann und somit, da beide Sturzwinkel einander entgegengerichtet sind, der resultierende Sturzwinkel Null wird. Aufgrund der wechselnden und auch schwankenden Beladung des Gurtes wird dies jedoch häufig nur ein anzustrebender Idealzustand sein.This offset arrangement of the at least one central idler roller relative to the lateral idler rollers takes into account the fact that the garland idler roller set is so far out of the geometrically optimal position, due to the movement resistances acting on it, and also due to gravity in the case of an inclined belt axis the idler roller axis is aligned perpendicular to the belt running direction, is pivoted until the forces acting on the idler roller set, weight of the idler roller set, load from the belt and load, and resistance to movement - again create a balance of moment around the suspension points of the garland. The twist takes place around the axis, which is determined by the two suspension points of the garland. In the position pivoted relative to the geometrically optimal position, the lateral support rollers form a camber angle with the belt running direction, which leads to increased resistance to movement and thus an increased power requirement. By arranging the at least one central support roller at a distance from the plane defined by the side rollers, the center of gravity of the garland is shifted in the direction in which the central support roller is offset from this plane. This has the consequence that the garland in its starting position, in which no movement resistance acts on it, that is to say when the belt conveyor is at a standstill, has a design-related camber angle, that is to say that the side rollers are inclined against the belt running direction. Under the load from the conveyor belt and the load as well as under the effect of the movement resistance acting on the garland idler roller set, this camber angle, which is due to the design, is Siert, whereby with appropriate choice of the length of the distance by which the middle idler is offset, the dynamic camber angle, i.e. the camber angle caused by the running belt, can correspond to the constructive camber angle and thus, since both camber angles are opposite to each other, the resulting Camber angle becomes zero. Due to the changing and fluctuating loading of the belt, this will often only be an ideal condition to be aimed for.
Der Erfindung liegt die Aufgabe zugrunde, die für die Verbindung von zwei Bauteilen einer mit Girlanden-Tragrollensätzen versehenen Tragkonstruktion für einen Gurtförderer verwendeten Verbindungselemente so auszuführen, daß sie einfach herzustel- len und einfach zu handhaben sind und dabei im Bedarfsfall ohne ins Gewicht fallenden Mehraufwand so ausgestaltet werden können, daß die wenigstens eine mittlere Tragrolle gegenüber den seitlichen Tragrollen im vorbeschriebenen Sinne versetzt angeordnet ist. Dabei wird angestrebt, daß auch in diesem Fall der für die Herstellung der Verbindung erforderliche Arbeitsaufwand gering bleibt.The invention has for its object to perform the connecting elements used for the connection of two components of a supporting structure provided with garland idler roller sets for a belt conveyor in such a way that they are simple to manufacture and easy to handle and, if necessary, without any significant additional expense can be configured that the at least one central support roller is arranged offset from the lateral support rollers in the sense described above. The aim is that in this case too, the amount of work required to establish the connection remains low.
Diese Aufgabe wird mit den im Anspruch 1 angegebenen Mitteln gelöst.This object is achieved with the means specified in claim 1.
Es werden somit für jede Verbindung zwei Verbindungselemente benötigt, die in gleicher Weise ausgebildet sein können und zwei im wesentlichen rechtwinklig zueinander verlaufende Schenkel aufweisen, von denen der erste Schenkel die Verbin- düng zwischen diesem Element und dem ersten der beiden miteinander zu verbindenden Bauteile bewirkt und der zweite Schenkel mit dem ersten Schenkel des jeweils anderen Verbindungselementes in Eingriff ist, der zugleich auch mit dem zweiten Bauteil in Eingriff ist. Diese Verbindung der beiden Verbin- dungselemente miteinander hat zur Folge, daß sie verdrehsteif ist in bezug auf Momente, die um die Längsachse der mittleren Tragrolle wirksam werden. Andererseits ist eine Schwenkbewegung der Tragrollen um eine zur jeweiligen Tragrollenachse senkrechte Achse möglich, damit die Tragrollen jeder Tragrollen-Girlande unter der Auflast des Fördergurtes die jeweils optimale Winkellage einnehmen können.Two connecting elements are therefore required for each connection, which can be configured in the same way and have two legs running essentially at right angles to one another, of which the first leg effects the connection between this element and the first of the two components to be connected to one another and the second leg is in engagement with the first leg of the other connecting element, which is also in engagement with the second component. The result of this connection of the two connecting elements to one another is that they are torsionally rigid with respect to moments which act around the longitudinal axis of the central support roller. On the other hand, there is a pivoting movement of the idlers about a respective idler axis vertical axis possible so that the idler rollers of each idler roller garland can assume the optimal angular position under the load of the conveyor belt.
Die Sicherung der beiden zusammenwirkenden Verbindungselemente, von denen jedes einem der beiden miteinander zu verbindenden Bauteilen zugeordnet ist, kann über eine Schraubenmutter erfolgen, die zweckmäßigerweise auf den Schenkel wenigstens eines der beiden Verbindungselemente aufgeschraubt werden kann, welcher im wesentlichen senkrecht zur zugehörigen Tragrollenachse verläuft. Zu diesem Zweck ist es vorteilhaft, diesen Schenkel an seinem freien Ende, der aus dem zweiten Schenkel des jeweils anderen Verbindungselementes herausragt, mit einem Außengewinde zu versehen. Im allgemeinen wird es ausreichen, eine derartige Haltemutter an einem der beiden Verbindungselemente anzubringen. Selbstverständlich ist es auch möglich, an dem ersten Schenkel jedes der beiden Verbindungselemente eine solche Haltemutter vorzusehen.The two cooperating connecting elements, each of which is assigned to one of the two components to be connected to one another, can be secured by means of a screw nut which can expediently be screwed onto the leg of at least one of the two connecting elements, which runs essentially perpendicular to the associated idler axis. For this purpose, it is advantageous to provide this leg with an external thread at its free end, which protrudes from the second leg of the respective other connecting element. In general, it will be sufficient to attach such a retaining nut to one of the two connecting elements. Of course, it is also possible to provide such a retaining nut on the first leg of each of the two connecting elements.
Die Verbindung zwischen Achse der jeweiligen Tragrolle und dem damit zusammenwirkenden Verbindungselement kann in einfacher Weise dadurch erfolgen, daß die Achse mit einer im wesentlichen radialen Bohrung versehen wird, durch welche der erste Schenkel des Verbindungselementes hindurchgesteckt werden kann, wobei eine Steckverbindung entsteht, die auch zugleich die Verbindung mit dem jeweils anderen Verbindungselement bewirkt, welches dazu mit einer entsprechend bemessenen und positionierten Durchbrechung versehen ist.The connection between the axis of the respective idler roller and the connecting element interacting therewith can be made in a simple manner in that the axis is provided with an essentially radial bore through which the first leg of the connecting element can be inserted, whereby a plug connection arises, which at the same time the connection with the respective other connecting element, which is provided with a correspondingly dimensioned and positioned opening.
Die Länge der ersten Schenkel beider Verbindungselemente hängt dabei im wesentlichen davon ab, ob die beiden durch die Verbindungseinheit miteinander verbundenen Tragrollen gegeneinander versetzt oder nicht versetzt angeordnet sind und ggf. vom Ausmaß dieses Versatzes. Jedoch ist die grundsätzliche Ausgestaltung der Verbindungselemente und auch der mit ihnen zusammenwirkenden Teile unabhängig von der relativen Anordnung der Tragrollen. In der Zeichnung sind zwei Ausführungsbeispiele der Erfindung im Schema dargestellt. Es zeigen:The length of the first legs of both connecting elements essentially depends on whether the two support rollers connected by the connecting unit are offset from one another or not and possibly on the extent of this offset. However, the basic design of the connecting elements and also of the parts interacting with them is independent of the relative arrangement of the idlers. In the drawing, two embodiments of the invention are shown in the diagram. Show it:
Fig. 1 die Vorderansicht einer Tragrollenstation eines Gurtförderers,1 is a front view of a support roller station of a belt conveyor,
Fig. 2 die Ansicht eines Ausschnittes aus einem Girlanden- Tragrollensatz etwa in Richtung der Pfeile II-II in Fig. 1, teilweise im Schnitt, Fig. 3 die Ansicht der nicht versetzten Verbindung zwischen Traggerüst und Girlanden-Tragollensatz etwa in Richtung des Pfeiles III in Fig. 1.Fig. 2 is a view of a section of a garland support roller set approximately in the direction of arrows II-II in Fig. 1, partially in section, Fig. 3 is a view of the non-staggered connection between the support structure and garland support roller set approximately in the direction of arrow III in Fig. 1.
Die in Fig. 1 dargestellte Tragrollenstation ist in üblicher Weise mit zwei jeweils als Girlande oder Rollenkette ausge- bildeten Tragrollensätzen 10, 12 versehen, von denen der obere Tragrollensatz 10 dem Obertrum 14 und der untere Tragrollensatz 12 dem Untertrum 16 eines Gurtförderers zugeordnet ist. Die beiden Tragrollensätze 10 und 12 sind an einem Traggerüst 18 aufgehängt. Jeder Tragrollensatz besteht aus einer mitt- leren Tragrolle 20 und zwei seitlichen Tragrollen 22. Die Tragrollensätze werden über Halterungen 24, die am Traggerüst angebracht und jeweils mit den seitlichen Tragrollen 22 verbunden sind, vom Traggerüst getragen. Bei dem in der Zeichnung dargestellten Ausführungsbeispiel weisen die beiden Tragrol- lensätze 10, 12 unterschiedliche Geometrien auf derart, daß das vom Tragrollensatz 10 getragene Obertrum 14, welches im allgemeinen das fördernde Trum ist, eine stärkere Muldung erfährt als das Untertrum 16.The idler shown in FIG. 1 is provided in the usual way with two idler sets 10, 12 each designed as a garland or roller chain, of which the top idler set 10 is assigned to the upper run 14 and the bottom idler set 12 to the bottom run 16 of a belt conveyor. The two idler roller sets 10 and 12 are suspended from a support structure 18. Each idler roller set consists of a central idler roller 20 and two lateral idler rollers 22. The idler roller sets are carried by the carrier frame via brackets 24 which are attached to the carrier frame and are each connected to the lateral carrier rollers 22. In the embodiment shown in the drawing, the two idler roller sets 10, 12 have different geometries such that the upper run 14 carried by the idler roll set 10, which is generally the conveying run, experiences a greater trough than the lower run 16.
Die unterschiedlichen Längen der Rollen und deren unterschiedliche Anzahl in den Tragrollensätzen ergeben sich aus den technischen Anforderungen an dieselben und der erforderlichen Muldung des jeweils zugehörigen Trumes. Die Anwendbarkeit der Erfindung wird davon nicht berührt.The different lengths of the rollers and their different numbers in the idler roller sets result from the technical requirements for the same and the required troughing of the associated dream. This does not affect the applicability of the invention.
In Fig. 2 ist eine Ausführungsform der Verbindung zwischen einer mittleren Tragrolle 20 und einer der seitlichen Tragrollen 22 dargestellt. Die Anordnung ist dabei so getroffen, daß die mittlere Tragrolle 20 gegenüber den seitlichen Tragrollen 22 derart um den Abstand 26 versetzt angeordnet ist, daß sie sich in Gurtlaufrichtung 28 hinter der vertikalen Ebene 30 befindet, die durch die Längsachsen der seitlichen Tragrollen 22 bei in Ruhe befindlichem Girlanden-Tragrollensatz definiert wird.2 shows an embodiment of the connection between a central support roller 20 and one of the side support rollers 22. The arrangement is such that the middle idler 20 is offset from the lateral idlers 22 by a distance 26 such that it is located in the belt running direction 28 behind the vertical plane 30, which is defined by the longitudinal axes of the lateral idlers 22 when the garland idler set is at rest.
Die die Verbindung zwischen den beiden Tragrollen 20 und 22 herstellende Verbindungseinheit 34 weist zwei Verbindungs- elemente 36, 38 auf, die beide in gleicher Weise ausgebildet sind. Das Verbindungselement 36 ist der mittleren Tragrolle 20, das Verbindungselement 38 der äußeren Tragrolle 22 zugeordnet. Beide Verbindungselemente 36, 38 sind winklig ausgeführt derart, daß erster Schenkel 36a bzw. 38a und zweiter Schenkel 36b bzw. 38b jeweils im wesentlichen senkrecht zueinander verlaufen, also einen rechten Winkel einschließen. Die Verbindung zwischen dem jeweiligen Verbindungselement 36 bzw. 38 und der zugehörigen Tragrolle 20 bzw. 22 erfolgt über eine im Endbereich der jeweiligen Tragachse 40 bzw. 42 angebrachte radiale Bohrung 44, 46, in welcher ein bolzenförmiger Abschnitt 48 bzw. 50 mit kreisförmigem Querschnitt des jeweiligen ersten Schenkels 36a bzw. 38a einsteckbar ist. Dabei ist der Außendurchmesser des bolzenförmigen Abschnittes 48 bzw. 50 an dem Innendurchmesser der Bohrung 44 bzw. 46 angepaßt der- art, daß die Tragachse 40 bzw. 42 ohne großes Spiel um den jeweiligen Bolzen 48, 50 schwenkbar ist.The connecting unit 34 that establishes the connection between the two support rollers 20 and 22 has two connecting elements 36, 38, both of which are designed in the same way. The connecting element 36 is assigned to the middle supporting roller 20, the connecting element 38 to the outer supporting roller 22. Both connecting elements 36, 38 are designed at an angle such that the first leg 36a or 38a and the second leg 36b or 38b each run essentially perpendicular to one another, that is to say enclose a right angle. The connection between the respective connecting element 36 or 38 and the associated support roller 20 or 22 takes place via a radial bore 44, 46 made in the end region of the respective support axis 40 or 42, in which a bolt-shaped section 48 or 50 with a circular cross-section of the respective first leg 36a or 38a can be inserted. The outer diameter of the bolt-shaped section 48 or 50 is adapted to the inner diameter of the bore 44 or 46 in such a way that the support axis 40 or 42 can be pivoted about the respective bolt 48, 50 without great play.
Der zweite Schenkel 36b bzw. 38b jedes Verbindungselementes 36 bzw. 38 ist mit einem Loch 52 bzw. 54 versehen, dessen Innen- durchmesser dem Außendurchmesser des bolzenförmigen Abschnittes 48 bzw. 50 entspricht. Die beiden Verbindungselemente 36, 38 sind derart ausgebildet und dimensioniert, daß in der die Verbindung zwischen den beiden Tragrollen 20, 22 herstellenden Position der jeweilige zweite Schenkel 36b, 38b seitlich neben der Tragachse 42 bzw. 40 der jeweils anderen Rolle 22, 20 derart positioniert ist, daß die Bohrung 52 bzw. 54 mit der Bohrung 46 bzw. 44 in der jeweiligen Tragachse 42 bzw. 40 fluchtet und somit der bolzenförmige Abschnitt 48 bzw. 50 des jeweils anderen Verbindungselementes 36 bzw. 38 auch die Bohrung 54 bzw. 52 im Schenkel 38b bzw. 36b durchragt. Die Verbindungsanordnung gemäß der Erfindung schließt Schwenkbewegungen um die Längsachse einer der beiden Tragrollen aus.The second leg 36b or 38b of each connecting element 36 or 38 is provided with a hole 52 or 54, the inside diameter of which corresponds to the outside diameter of the bolt-shaped section 48 or 50. The two connecting elements 36, 38 are designed and dimensioned such that, in the position which establishes the connection between the two support rollers 20, 22, the respective second leg 36b, 38b is positioned laterally next to the support axis 42 or 40 of the other roller 22, 20 in such a way is that the bore 52 or 54 is aligned with the bore 46 or 44 in the respective support axis 42 or 40 and thus the bolt-shaped section 48 or 50 of the each other connecting element 36 and 38 also extends through the bore 54 and 52 in the legs 38b and 36b. The connection arrangement according to the invention excludes pivoting movements about the longitudinal axis of one of the two support rollers.
Die Verbindung zwischen den beiden Tragrollen 20, 22 wird somit in der Weise hergestellt, daß jeweils ein Verbindungselement 36, 38 mit der Achse einer der beiden Tragrollen verbunden ist und gleichzeitig beide Verbindungselemente zweifach miteinander in Eingriff sind. Die Arretierung der beiden Verbindungselemente erfolgt durch eine Schraubenmutter 56, die im Falle des Ausführungsbeispiels gemäß Fig. 2 auf den mit Außengewinde versehenen Endbereich 58 des bolzenförmigen Abschnittes 48 des ersten Verbindungselementes 36 aufgeschraubt wird. Die Mutter 56 kann unter Verwendung geeigneter Mittel gegen ungewolltes Lösen gesichert sein. Beim Anziehen der Mutter zwecks Sichern der beiden Verbindungselemente 36, 38 ist lediglich darauf zu achten, daß keine Verspannung gegenüber den beiden Tragachsen 40, 42 erfolgt, damit deren Schwenkbarkeit und damit die der Tragrollen 20, 22 gegenüber der Verbindungseinheit 34 in jedem Fall gewährleistet ist. Es ist natürlich auch möglich, anstelle der Schraubenmutter andere Sicherungsmittel, beispielsweise einen Splint oder dgl., vorzusehen, der ggf. auch zusätzlich angebracht sein kann.The connection between the two support rollers 20, 22 is thus produced in such a way that a connecting element 36, 38 is connected to the axis of one of the two support rollers and at the same time both connecting elements are engaged with one another twice. The two connecting elements are locked by a screw nut 56 which, in the case of the exemplary embodiment according to FIG. 2, is screwed onto the end region 58 of the bolt-shaped section 48 of the first connecting element 36 which is provided with an external thread. The nut 56 can be secured against accidental loosening using suitable means. When tightening the nut for the purpose of securing the two connecting elements 36, 38, it is only necessary to ensure that there is no bracing with respect to the two supporting axes 40, 42, so that their pivotability and thus that of the supporting rollers 20, 22 relative to the connecting unit 34 is guaranteed in any case . It is of course also possible to provide other securing means, for example a split pin or the like, instead of the screw nut, which can also be attached if necessary.
Abweichend von der Darstellung in Fig. 2 kann auch auf dem Endbereich jedes der beiden bolzenförmigen Abschnitte 40, 50 eine Schraubenmutter angebracht sein, wenngleich dies im all- gemeinen nicht erforderlich ist. Ferner kann abweichend von der Darstellung gemäß Fig. 2 auch bei Verwendung nur einer Schraubenmutter der bolzenförmige Abschnitt des anderen Verbindungselementes, in diesem Fall der Abschnitt 50, mit einem Außengewinde versehen sein, um die Verbindungselemente 36, 38 zu vereinheitlichen und somit deren Herstellung zu vereinfachen.In a departure from the illustration in FIG. 2, a screw nut can also be attached to the end region of each of the two bolt-shaped sections 40, 50, although this is generally not necessary. 2, even if only one screw nut is used, the bolt-shaped section of the other connecting element, in this case section 50, can be provided with an external thread in order to standardize the connecting elements 36, 38 and thus to simplify their manufacture .
Auch das Zusammenfügen der beiden Verbindungselemente 36, 38 ist außerordentlich einfach, zumal die an den ersten Schenkeln 36a, 38a vorhandenen Kragen oder Absätze 70 einen Anschlag bilden, so daß beim Einstecken der bolzenförmigen Abschnitte 48 bzw. 50 in die Bohrung des jeweiligen Bauteils die richtige Position der beiden Verbindungselemente 36, 38 zu den beiden miteinander zu verbindenden Bauteilen und damit auch zueinander sich ohne zusätzliche Maßnahmen einstellt.Also the joining of the two connecting elements 36, 38 is extremely simple, especially since the collars or shoulders 70 present on the first legs 36a, 38a form a stop, so that when the bolt-shaped sections 48 and 50 are inserted into the bore of the respective component, the correct position of the two connecting elements 36, 38 to the two components to be connected to each other and thus to each other without additional measures.
Fig. 3 zeigt Einzelheiten der Anbringung des Girlanden-Trag- rollensatzes am Traggerüst 18 unter Verwendung der Verbindungsanordnung 34 gemäß der Erfindung. Die Tragachse 42 der seitlichen Tragrolle 22 ist an ihrem dem Traggerüst 18 zugekehrten Ende ebenfalls mit einer im wesentlichen radialen Bohrung 44 versehen, in welche der bolzenförmige Abschnitt 48 des ersten Schenkels 36a des ersten Verbindungselementes 36 in der bereits beschriebenen Weise einsteckbar ist. Der Bolzenförmige Abschnitt 50 des zweiten Verbindungselementes 38 durchragt eine zur Bohrung 44 im wesentlichen parallele Bohrung 62 in der Halterung 24, die vom Traggerüst 18 getragen ist. D. h., daß die ggf. ebenfalls in Form eines Achsenabschnittes ausgebildete Halterung 24 die Funktion der Tragachse der jeweils zweiten Tragrolle, also beispielsweise der Tragrolle 42 gemäß Fig. 2, hat. Im übrigen ist die Anordnung in analoger Weise getroffen, so daß insoweit auf die Beschreibung zu Fig. 2 verwiesen werden kann. Der einzige Unterschied gegenüber der Ausführung gemäß Fig. 2 besteht darin, daß der erste Schenkel 36a bzw. 38a jedes der beiden Verbindungselemente 36, 38 kürzer ausgeführt ist, so daß die Tragrollenachse 42 und die Halterung 24 in einer gemeinsamen Ebene angeordnet sind, die bei ruhendem Gurtförderer im allgemeinen senkrecht verlaufen wird. Selbstverständlich ist auch bei der Verbindung zweier Tragrollen miteinander eine Verbindung möglich, bei welcher de Tragrollen nicht gegeneinander versetzt sind.3 shows details of the attachment of the garland idler roller set to the support frame 18 using the connection arrangement 34 according to the invention. The support axis 42 of the lateral support roller 22 is also provided at its end facing the support frame 18 with an essentially radial bore 44, into which the bolt-shaped section 48 of the first leg 36a of the first connecting element 36 can be inserted in the manner already described. The bolt-shaped section 50 of the second connecting element 38 projects through a bore 62 in the holder 24 which is essentially parallel to the bore 44 and which is carried by the supporting structure 18. This means that the bracket 24, which may also be in the form of an axle section, has the function of the supporting axle of the respective second supporting roller, that is to say, for example, the supporting roller 42 according to FIG. 2. Otherwise, the arrangement is made in an analogous manner, so that reference can be made to the description of FIG. 2. The only difference compared to the embodiment of FIG. 2 is that the first leg 36a and 38a of each of the two connecting elements 36, 38 is shorter, so that the support roller axis 42 and the bracket 24 are arranged in a common plane, which at the stationary belt conveyor will generally run vertically. Of course, a connection is also possible when two idlers are connected, in which the idlers are not offset from one another.
Fig. 3 läßt erkennen, daß die Halterung 24 von einem Gabelstück 64 getragen wird und an diesem mittels beispielsweise einer Schweißverbindung befestigt ist. Das Gabelstück 64 ist mit einem schwenkbar am eigentlichen Traggerüst 18 angebrachten Stellglied 66 in Eingriff. Letzteres ist um einen am Traggerüst 18 angebrachten Bolzen 68 schwenkbar. Dieses bekannte Stellglied, das mit der Erfindung in keinem unmittelbaren Zusammenhang steht, ergibt die Möglichkeit, durch eine Verschwenkung und eine dadurch bewirkte zusätzliche Längsbewegung des Stellgliedes 66 gegenüber dem Bolzen 68 den Girlanden-Tragrollensatz etwas abzusenken und damit außer Eingriff mit dem Fördergurt zu bringen. Fig. 3 shows that the bracket 24 is carried by a fork piece 64 and is attached thereto by means of, for example, a welded connection. The fork piece 64 is engages with an actuator 66 pivotally attached to the actual support structure 18. The latter can be pivoted about a bolt 68 attached to the supporting structure 18. This known actuator, which is not directly related to the invention, gives the possibility of somewhat lowering the garland idler roller set by pivoting and thereby causing an additional longitudinal movement of the actuator 66 relative to the bolt 68 and thus disengaging the conveyor belt.

Claims

Patentansprüche claims
1. Gelenkige Verbindungsanordnung zwischen zwei Bauteilen einer mit Girlanden-Tragrollensätzen (10, 12) versehenen Tragkonstruktion für einen Gurtförderer, die mit wenigstens zwei Verbindungselementen (36, 38) versehen ist, d a d u r c h g e k e n n z e i c h n e t, daß zwei zu einer Baueinheit (34) zusammenfügbare, im wesentlichen rechtwinklig ausgebildete Verbindungselemente (36, 38) vorgesehen sind und ein erster Schenkel (36a) des ersten Verbindungselementes (36) in eine an der Tragachse (40) einer ein erstes Bauteil bildenden Tragrol- le (20) angebrachten, im wesentlichen radialen Bohrung (44) eingreift und der zweite Schenkel (36b) dieses ersten Verbindungselementes (36), der in Richtung auf das jeweils andere Bauteil (20, 22; 24) abgewinkelt ist, mit einem Loch (52) versehen ist derart, daß der erste Schenkel (38a) des zweiten Verbindungselementes (38), der in eine Bohrung am jeweils anderen Bauteil (20, 22; 24) eingreift, auch in das Loch (52) im zweiten Schenkel (36b) des ersten Verbindungselementes (36) eingreift, und der zweite Schenkel (38b) des zweiten Verbindungselements (38) ein Loch (54) aufweist, in welches der erste Schenkel (36a) des ersten Verbindungselementes (36) eingreift, wobei wenigstens einer der beiden ersten Schenkel (36a, 38a), welcher in der Bohrung (44, 46) eines der beiden Bauteile (20, 22; 24) und dem zugehörigen Loch im zweiten Schenkel des jeweils anderen Verbindungselementes angeordnet ist, in Relation zum zweiten Schenkel des jeweils anderen Verbindungselementes gesichert ist.1. Articulated connection arrangement between two components of a garland carrying roller sets (10, 12) supporting structure for a belt conveyor, which is provided with at least two connecting elements (36, 38), characterized in that two can be joined together to form a structural unit (34), essentially right-angled connecting elements (36, 38) are provided and a first leg (36a) of the first connecting element (36) in an essentially radial bore (44) made on the supporting axis (40) of a supporting roller (20) forming a first component ) engages and the second leg (36b) of this first connecting element (36), which is angled in the direction of the other component (20, 22; 24), is provided with a hole (52) such that the first leg (38a ) of the second connecting element (38), which engages in a hole in the other component (20, 22; 24), also in the hole (52) in the second leg (36b) de s first connecting element (36) engages, and the second leg (38b) of the second connecting element (38) has a hole (54) into which the first leg (36a) of the first connecting element (36) engages, at least one of the first two Leg (36a, 38a) which in the bore (44, 46) one of the two components (20, 22; 24) and the associated hole is arranged in the second leg of the respective other connecting element, is secured in relation to the second leg of the respective other connecting element.
2. Verbindungsanordnung nach Anspruch 1 d a d u r c h g e k e n n z e i c h n e t, daß auch das zweite Bauteil als Trag- rolle ausgebildet ist.2. Connection arrangement according to claim 1 d a d u r c h g e k e n n z e i c h n e t that the second component is designed as a support roller.
3. Verbindungsanordnung nach Anspruch 1, d a d u r c h g e k e n n z e i c h n e t, daß das zweite Bauteil (24) Teil des die Tragrollen-Girlande (10, 12) tragenden Traggerüstes (18 ist.3. Connection arrangement according to claim 1, characterized in that the second component (24) part of the supporting roller garland (10, 12) carrying supporting structure (18.
4. Verbindungsanordnung nach Anspruch 3, d a d u r c h g e - k e n n z e i c h n e t, daß das zweite Verbindungselement (38) in eine Bohrung an einer Halterung (24) eingreift, die mittelbar oder unmittelbar mit der Tragkonstruktion verbunden ist.4. Connection arrangement according to claim 3, so that the second connecting element (38) engages in a bore on a holder (24) which is connected directly or indirectly to the supporting structure.
5. Verbindungsanordnung nach Anspruch 1, d a d u r c h g e k e n n z e i c h n e t, daß die Länge der beiden im wesentlichen senkrecht zur Längsachse der Tragachse (40, 42) verlaufenden beiden ersten Schenkel (36a, 38a) beider Verbindungselemente so gewählt ist, daß die Tragachsen (40, 42) der beiden miteinander zu verbindenden Bauteile (20, 22) im wesentlichen in Längsrichtung des Gurtes gegeneinander versetzt angeordnet sind.5. Connection arrangement according to claim 1, characterized in that the length of the two substantially perpendicular to the longitudinal axis of the support axis (40, 42) extending two first legs (36a, 38a) of both connecting elements is selected so that the support axes (40, 42) of the the two components (20, 22) to be connected to one another are essentially offset with respect to one another in the longitudinal direction of the belt.
6. Verbindungsanordnung nach Anspruch 1, d a d u r c h g e - k e n n z e i c h n e t, daß die Länge der beiden im wesentlichen senkrecht zur Längsachse der Tragachse (24, 42) verlaufenden beiden ersten Schenkel (36a, 38a) beider Verbindungselemente so gewählt ist, daß die Tragachsen (24, 42) in einer gemeinsamen Ebene angeordnet sind, die bei ruhendem Gurtförde- rer im wesentlichen vertikal verläuft.6. Connection arrangement according to claim 1, dadurchge - indicates that the length of the two substantially first perpendicular to the longitudinal axis of the support axis (24, 42) two first legs (36a, 38a) of both connecting elements is selected so that the support axes (24, 42nd ) are arranged in a common plane, which runs essentially vertically when the belt conveyor is stationary.
7. Verbindungsanordnung nach Anspruch 1, d a d u r c h g e k e n n z e i c h n e t, daß ihre beiden Verbindungselemente (36, 38) in gleicher Weise ausgebildet sind.7. Connection arrangement according to claim 1, d a d u r c h g e k e n n z e i c h n e t that their two connecting elements (36, 38) are formed in the same way.
8. Vorrichtungsanordnung nach Anspruch 1, d a d u r c h g e k e n n z e i c h n e t, daß beide Verbindungselemente (36, 38) durch wenigstens eine Schraubenmutter in ihrer Lage gesichert sind. 8. The device arrangement as claimed in claim 1, so that the two connecting elements (36, 38) are secured in their position by at least one screw nut.
PCT/DE1998/003264 1997-11-19 1998-10-29 Connection system on a carrying garland WO1999026870A1 (en)

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DE1997151133 DE19751133B8 (en) 1997-11-19 1997-11-19 Connecting arrangement on a garland carrying roll set
DE19751133.3 1997-11-19

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WO2010088719A1 (en) * 2009-02-03 2010-08-12 Leslie Donald Dunn Stub shaft and bearing assembly and conveyor idler roller incorporating same

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DE2715122A1 (en) * 1977-04-05 1978-10-19 Weserhuette Ag Eisenwerk Trough shaped roller supported conveyor belt suspension - has rollers supported by shackles with resilient bushes around pins
AT348918B (en) * 1977-06-13 1979-03-12 Schwaighofer Ohg Sand Und Scho BRACKET FOR CONVEYOR BELT SUPPORT AND GUIDE ROLLERS
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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2010088719A1 (en) * 2009-02-03 2010-08-12 Leslie Donald Dunn Stub shaft and bearing assembly and conveyor idler roller incorporating same
EP2394067A1 (en) * 2009-02-03 2011-12-14 Leslie Donald Dunn Stub shaft and bearing assembly and conveyor idler roller incorporating same
JP2012516820A (en) * 2009-02-03 2012-07-26 ドナルド ダン，レスリー Stub shaft and conveyor idler roll incorporating this stub shaft
US8967371B2 (en) 2009-02-03 2015-03-03 Leslie Donald Dunn Stub shaft and bearing assembly and conveyor idler roller incorporating same
KR101611652B1 (en) * 2009-02-03 2016-04-11 레슬리 도날드 던 Stub shaft and bearing assembly and conveyor idler roller incorporating same
EP2394067A4 (en) * 2009-02-03 2017-04-05 Leslie Donald Dunn Stub shaft and bearing assembly and conveyor idler roller incorporating same

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DE19751133A1 (en) 1999-05-27
DE19751133B4 (en) 2004-10-07
ZA9810538B (en) 1999-05-25
DE19751133B8 (en) 2005-02-10
AU1662499A (en) 1999-06-15

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