EP0163555B1 - Rollenschwinge für eine Kabelbahn-Transporteinrichtung - Google Patents

Rollenschwinge für eine Kabelbahn-Transporteinrichtung Download PDF

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Publication number
EP0163555B1
EP0163555B1 EP85400656A EP85400656A EP0163555B1 EP 0163555 B1 EP0163555 B1 EP 0163555B1 EP 85400656 A EP85400656 A EP 85400656A EP 85400656 A EP85400656 A EP 85400656A EP 0163555 B1 EP0163555 B1 EP 0163555B1
Authority
EP
European Patent Office
Prior art keywords
arm
spindle
rocker arm
sheave
support device
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
EP85400656A
Other languages
English (en)
French (fr)
Other versions
EP0163555A1 (de
Inventor
René Brian
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Poma SA
Original Assignee
Pomagalski SA
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 Pomagalski SA filed Critical Pomagalski SA
Priority to AT85400656T priority Critical patent/ATE35525T1/de
Publication of EP0163555A1 publication Critical patent/EP0163555A1/de
Application granted granted Critical
Publication of EP0163555B1 publication Critical patent/EP0163555B1/de
Expired legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B61—RAILWAYS
    • B61B—RAILWAY SYSTEMS; EQUIPMENT THEREFOR NOT OTHERWISE PROVIDED FOR
    • B61B12/00—Component parts, details or accessories not provided for in groups B61B7/00 - B61B11/00
    • B61B12/02—Suspension of the load; Guiding means, e.g. wheels; Attaching traction cables

Definitions

  • the invention relates to a support device according to the preamble of claim 1.
  • a device of the type mentioned makes it possible to support or compress the cable, by a series of rollers or pulleys of small diameter, without imposing on the cable an excessive curvature, the pendulums pivoting to distribute the load regularly on the rollers.
  • the rollers of each balance are generally mounted between two flanges forming a support yoke, itself articulated on a yoke connecting two successive rockers.
  • the rollers are trapped between the two flanges and their disassembly requires the extraction of the support pin. Repairs are often carried out on site, in particularly difficult conditions, at the top of a pylon and in rain or snow, which explains the incidents and faulty repairs that affect the proper functioning of the installation.
  • a deterioration of a bearing can cause seizure and loss of a roller.
  • the disassembly of a pendulum is also complicated.
  • Document EP-A-0 086 084 describes a device for supporting a cable having rollers mounted on cantilevered axes, which facilitates the removal or replacement of the rollers.
  • the cantilever axis is molded in the support arm and cannot be detached from the arm. The disassembly of the roller therefore requires an extraction of the ball bearing from the roller with risks of deterioration of this bearing.
  • the support arm is arranged on the external side of the support and the passage of the lines risks being obstructed by this projecting arm.
  • the roller is mounted on the axle in the factory or in the workshop with all the necessary care to avoid any deterioration of the bearings. Attaching the axle to the pendulum arm requires no special care and boils down to fitting the axle into a housing on the pendulum arm and tightening the fixing screws.
  • the cantilever mounting allows the installation or removal of the roller-axle assembly without dismantling the side flanges.
  • the balance arm is arranged, according to an improvement of the invention, on the internal side of the rollers, that is to say on the side opposite to the passage of the suspension lines of the loads coupled to the cable.
  • the balance arm is disposed between the rollers and the pylon, the cantilevered axes extending outward. This arrangement facilitates the passage of the fasteners, in particular on a pivoted pendulum which has lost one of its rollers.
  • the balance arm is a molded part, in the central hub carries a shoe, projecting from the outer side of the rollers; acting as a catcher on a derailed cable to the outside.
  • the catching shoe is eccentric with respect to the articulation axis of the balance arm, in order to impose on the latter a pivoting movement under the action of the impact of the cable falling on the shoe.
  • the cantilever mounting of the balance wheel rollers introduces an asymmetry, but the forces exerted on the rollers are low enough to allow such mounting. Symmetry is however preserved at the level of the connecting yokes between the pendulums, which are constituted by two rectilinear flanges or side plates, framing the pendulums on either side. These flanges, which are substantially at the same height as the straight balance arm, do not interfere with the disassembly of the rollers, if care is taken to pivot the arm relative to the flanges to release the roller.
  • the disassembly or assembly of a pendulum is facilitated by the possibility, according to the invention, of removing one of the flanges.
  • the two flanges are fixed by screws with two cheeks of a hub forming a spacer, advantageously of molded material.
  • a breakable conductive bar is introduced into a radial hole in the hub of the balance arm and its end projects into a groove made in the axis of articulation.
  • the length of this groove corresponds to the authorized pivoting stroke of the balance arm so that any excess in one direction or the other causes shearing or cutting of the projecting end.
  • the conductive bar is embedded in an insulating piece molded in the form of a plug, fixed for example by screwing in the radial hole of the hub.
  • the hole is open at the bottom to avoid penetration of water or humidity, and the sealing can be improved by seals, inserted between the axis and the hub and preventing any infiltration along the axis towards the breakable bar.
  • the conductor bar is connected to two connection wires ensuring the connection to the installation's safety line.
  • the whole wire, bar is coated in the molded material for a perfect electrical connection. It is clear that the bar can be replaced by another contact system, for example with a conductive liquid.
  • a train 10 of pendulums is articulated on a support pin 11 carried by a pylon.
  • Each balance 12 carries a pair of rollers 14, 16 or pulleys, mounted for rotation on axes 18, 20, fixed on a balance arm 22.
  • the axes 18, 20 are arranged at the ends of the arm 22, in the form of a beam rectilinear, articulated in the middle on an axis 24.
  • the axes 24 of two successive pendulums 12 are connected by a pair of flanges 26, 28 forming a yoke 30 framing the pendulums 12, the yoke 30 itself being articulated in its middle on an axis 32 which can be the axis 11 integral with the pylon, if the train 10 has only two pendulums 12 or can be carried by another yoke with two flanges 34, 36 if the number of pendulums 12 is greater.
  • Such pendulums 12 for supporting or compressing a cable are well known.
  • rollers 14, 16 of the balance 12 are mounted laterally in cantilever on the balance arm 22. Only the method of fixing the roller 14 is described below , that of the roller 16 being identical.
  • the axis 18 of the roller 14 has at one of its ends a collar 38, capable of being applied against the lateral face of the arm 22 of the same height and a centering stud 40 which fits into a hole 42 conjugated with the arm 22. Screws 44 rigidly secure the collar 38 to the arm 22.
  • a bearing 46 On the opposite end of the axis 18 is fitted a bearing 46, the outer cage of which carries the hub of the roller 14. The bearing 46 is held by a system washer 48 and screw 50.
  • the cantilever fixing of the axes 18, 20 on the arm 22 of the pendulum allows this disassembly and assembly operation, the roller 14 being fully released and the roller 16 can be released by simply pivoting the arm 22 to exit the roller 16 of the flanges 26, 28.
  • the pendulum arm 22 is a molded part having in its middle a hub 52 crossed by the hinge pin 24 ( Figure 4).
  • the hub 52 is framed by the flanges 26, 28 of the yoke 30 with interposition of shims 54, the axis 24 passing through orifices made in the flanges 26, 28.
  • the axis 24 ends on one side with a head 56 resting on the external face of the flange 28 and on the other side by a washer 58 fixed by screws 60 and resting on the external face of the flange 26. Screws 62 immobilize the axis 24 in rotation and seals sealing 64, housed in annular ribs formed at the two ends of the hub 52, frictionally engage the axis 24.
  • the hub 22 carries or is shaped as a shoe 66 projecting from the roller 14 to the left in FIG. 4.
  • the shoe 66 carries on its upper face a groove 68 for catching up a cable 69 derailing from the roller 14 and falling on the side left which corresponds to the outer side of the roller 14.
  • the outer side corresponds to the side for the passage of the lines of the loads coupled to the cable and is opposite the support pylon for the train of rockers. A derailment of the cable on the side of the pylon is prevented by a fixed guide 70, associated with the roller 14.
  • the catching shoe 66 extends above the flange 28 at a predetermined distance from the latter, to allow normal pivoting of the balance 12 and to come into abutment with the flange 28 during excessive pivoting. This avoids a vertical pivoting of the arm 22 of the balance, when a roller, for example of the roller 14, is lost.
  • the balance 12 in abutment on the flange 28 allows the passage of the fasteners and the cable remains supported of the roller 16.
  • the arrangement of the arm 22 on the internal side of the rollers 12, 14 facilitates this passage.
  • the flanges 26, 28 are secured in their middle by a spacer hub 72, mounted for rotation on the axis 32 carried by the flanges 34, 36.
  • the fixing of the axis 32 to the flanges 34, 36 is identical to that described above in relation to the axis 24 and the flanges 26, 28 ( Figure 5).
  • the hub 72 is a molded part, which has two lateral cheeks 74, 76 for fixing the flanges 26, 28 with screws 78.
  • the lower part of the hub 52 of the balance arm 22 is crossed by a radial hole 80, threaded and open downwards.
  • the axis 24 has, opposite the hole 80, a groove 82 in the form of a circular arc, the length of which corresponds to the normal deflection stroke of the arm 22, the groove 82 remaining opposite the hole 80 for all the normal deflection positions .
  • a detector 84 in the form of a plug, the nipple-shaped end 86 of which penetrates into the groove 82.
  • the detector 84 is a molded insulating part, which coats a loop conductor 88 consisting of a strip breakable penetrating into the stud 86.
  • the conductor 88 is connected to two wires 90 for connection to the installation security line.
  • the stud 86 is connected to the plug 84 by a thinned part 92 which can be cut off.
  • the end of the groove 82 abuts against the stud 86 and shears it by breaking the bar 88 and by interrupting the circuit of the safety line.
  • the detector 84 is unscrewed and replaced by a new one to allow the restarting of the installation.
  • the detector 84 is protected, in particular from moisture and any false contact is excluded.
  • the pivot Excessive balance arm 22, detected by the cutting of the stud 86, may result from the fall of the cable on the catching shoe 66 or the loss of a roller 14, 16 of the balance.
  • the detector 84 can be replaced by a simple screw (not shown), which enters the groove 82 and prevents excessive pivoting of the pendulums 12 during transport and assembly. Before starting up the installation, the screw is obviously replaced by the detector plug 84.
  • the balance train is applicable to the support or the maintenance of a carrier cable - tractor of a gondola or chairlift or any other overhead cable.
  • the number of balance elements can be arbitrary, as well as the type of roller used.

Landscapes

  • Engineering & Computer Science (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Pulleys (AREA)
  • Ropes Or Cables (AREA)
  • Electric Cable Installation (AREA)
  • Bridges Or Land Bridges (AREA)
  • Supports For Pipes And Cables (AREA)
  • Laying Of Electric Cables Or Lines Outside (AREA)
  • Superconductors And Manufacturing Methods Therefor (AREA)
  • Guides For Winding Or Rewinding, Or Guides For Filamentary Materials (AREA)
  • Lift-Guide Devices, And Elevator Ropes And Cables (AREA)

Claims (10)

1. Seiltrag- oder -haltevorrichtung einer Luftseilanlage mit einer Reihe (10) von längs des Seiles gestaffelten Wippen (12), wobei jede Wippe (12) ein Paar nebeneinanderstehende Rollen (14, 16) und einen an jedem Ende eine Drehwelle (18, 20) einer Rolle (14, 16) dieses Paares tragenden Arm (22) aufweist, wobei der genannte Arm (22) in seiner Mitte auf einer an dem Ende eines Tragbalkens befestigten Welle (24) schwenkbar gelagert ist, und das andere Ende des Tragbalkens eine Schwenkwelle einer danebenliegenden Wippe trägt und wobei jede Rollendrehwelle (18, 20) auf dem Wippenarm (22) eingesteckt und fliegend steif montiert ist, dadurch gekennzeichnet, dass jede Rollendrehwelle in leicht demontierbarer Weise auf dem Wippenarm (22) befestigt ist, um den Austausch einer Einheit Rolle und Welle durch einfache Demontage der freitragenden Welle (18, 20) von dem genannten Arm (22) und Abnehmen der Einheit Rolle, Welle zu ermöglichen.
2. Tragvorrichtung gemäss Anspruch 1, eines Lasttraghänger tragenden Seiles, wobei die genannten Hänger auf der Rollenaussenseite durchfahren, dadurch gekennzeichnet, dass der Wippenarm (22) auf der Rolleninnenseite angeordnet ist, um die Durchfahrt der Hänger, insbesondere beim Abfallen einer Wippenrolle (14, 16) nicht zu stören.
3. Tragvorrichtung gemäss Anspruch 1 oder 2, dadurch gekennzeichnet, dass der genannte Wippenarm (22) ein Gusstück ist und dass die einen Bügel bildenden Wangen (26, 28) gerade Platten sind, die durch eine zentrale durch eine Tragwelle (32) durchsetzte Nabe (72) verbunden sind.
4. Tragvorrichtung gemäss Anspruch 3, dadurch gekennzeichnet, dass die genannte zentrale Nabe (72) ein Gusstück ist, das zwei Seitenflächen (74, 76) zur Befestigung der genannten Platten (26, 28) hat.
5. Tragvorrichtung gemäss einem der vorigen Ansprüche, dadurch gekennzeichnet, dass der genannte Wippenarm (22) in seinem Mittelteil einen auf der Rollenaussenseite vorspringenden Auffangschuh (66) eines entgleisten Seiles trägt, wobei der genannte Auffangschuh (66) gegenüber der Armschwenkwelle (24) versetzt ist, um die Schwenkung des Armes (22) durch die auf dem Schuh durch das fallende oder abgestützte Seil ausgewirkte Kraft zu bewirken.
6. Tragvorrichtung gemäss Anspruch 5, dadurch gekennzeichnet, dass der genannte Auffangschuh (66) mit der nebenstehenden Wange (28) zusammenwirken kann, um einen die Schwenkung des Wippenarmes (22) beschränkenden Anschlag zu bilden beim Abfallen einer Wippenrolle (14, 16).
7. Tragvorrichtung gemäss irgendeinem der vorigen Ansprüche, dadurch gekennzeichnet, dass sie einen Detektor (84) einer übermässigen Wippenschwenkung aufweist, der aus einem leitenden, in Serie einer Sicherheitsleitung geschalteten Bruchstab (88) besteht, deren Unterbrechung das Abstoppen der Anlage bewirkt, wobei der genannte Stab (88) auf der Höhe der Wippenarmschwenkwelle (24) angeordnet ist.
8. Tragvorrichtung gemäss Anspruch 7, dadurch gekennzeichnet, dass der genannte Bruchstab (88) in einen Zapfen (84) mit einem Gewinde eingebettet ist, der in einem radialen, in der zentralen Nabe (52) des Wippenarmes (22) vorgesehenen Loch (80) einschraubbar ist, wobei der genannte Zapfen an seinem Ende einen abtrennbaren Finger (86) aufweist, der in eingeschraubter Lage des Zapfens in einer längs eines Kreisbogens des Umfanges der die zentrale Nabe (52) durchdringenden Welle (24) vorgesehenen Rille (82) vorspringt, wobei der genannte Finger (86) und der eingebettete Bruchstab (88) durch das Rillenende bei einer übermässigen Wippenarmschwenkung abgeschert werden.
9. Tragvorrichtung gemäss Anspruch 8, dadurch gekennzeichnet, dass das genannte radiale Loch (80) unter der Nabe (52) angebracht ist, dass Abdichtungsringe (64) zwischen der Welle (24) und der Nabe (52) beiderseits des radialen Loches (80) eingesetzt sind, um das Eindringen von Feuchtigkeit nach dem Bruchstab (88) zu verhindern.
10. Tragvorrichtung gemäss Anspruch 8 oder 9, dadurch gekennzeichnet, dass sie eine Blockierschraube aufweist, die zur Begrenzung der Wippenschwenkung während der Montage oder des Transportes in dem genannten radialen Loch (80) einschraubbar ist.
EP85400656A 1984-04-13 1985-04-02 Rollenschwinge für eine Kabelbahn-Transporteinrichtung Expired EP0163555B1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT85400656T ATE35525T1 (de) 1984-04-13 1985-04-02 Rollenschwinge fuer eine kabelbahntransporteinrichtung.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR8406257A FR2562857B1 (fr) 1984-04-13 1984-04-13 Balanciers d'une installation de transport a cable aerien
FR8406257 1984-04-13

Publications (2)

Publication Number Publication Date
EP0163555A1 EP0163555A1 (de) 1985-12-04
EP0163555B1 true EP0163555B1 (de) 1988-07-06

Family

ID=9303342

Family Applications (1)

Application Number Title Priority Date Filing Date
EP85400656A Expired EP0163555B1 (de) 1984-04-13 1985-04-02 Rollenschwinge für eine Kabelbahn-Transporteinrichtung

Country Status (7)

Country Link
US (1) US4640197A (de)
EP (1) EP0163555B1 (de)
JP (1) JPS60236866A (de)
AT (1) ATE35525T1 (de)
CA (1) CA1244286A (de)
DE (1) DE3563604D1 (de)
FR (1) FR2562857B1 (de)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2591173B1 (fr) * 1985-12-11 1988-10-21 Pomagalski Sa Dispositif de maintien de cables et installation de transport a cables aeriens comportant un tel dispositif
US5528219A (en) * 1994-04-28 1996-06-18 Konrad Doppelmayr & Sohn Ropeway safety monitoring system
FR2838697B1 (fr) * 2002-04-23 2004-06-11 Gimar Montaz Mautino Train de galets destine a guider un cable de remontee mecanique
ITBZ20030005A1 (it) 2003-01-30 2004-07-31 High Technology Invest Bv Dispositivo pressore per la conduzione di fune in sistemi di trasporto a trazione di fune.
ITBZ20050051A1 (it) 2005-09-29 2007-03-30 High Technology Invest Bv Dispositivo antiscarrucolamento per funi di impianti funiviari.
ITMI20070835A1 (it) 2007-04-20 2008-10-21 Rolic Invest Sarl Impianto di trasporto a fune e metodo di azionamento dello stesso
ITMI20070157U1 (it) 2007-04-20 2008-10-21 Rolic Invest Sarl Seggiovia
ITMI20071618A1 (it) 2007-08-03 2009-02-04 Rolic Invest Sarl Impianto di trasporto a fune e metodo di azionamento dello stesso
ITMI20072071A1 (it) 2007-10-26 2009-04-27 Rolic Invest Sarl Impianto di trasporto a fune e metodo di azionamento dello stesso
IT1395098B1 (it) 2009-07-09 2012-09-05 Rolic Invest Sarl Unita' di trasporto per impianti di trasporto a fune
IT1395737B1 (it) 2009-08-04 2012-10-19 Rolic Invest Sarl Dispostivo di richiamo di un sedile per skilift
IT1401120B1 (it) 2010-07-14 2013-07-12 Rolic Invest Sarl Scambio per impianto di trasporto a fune e impianto di trasporto a fune comprendente tale scambio.
CH707865A8 (de) * 2013-04-05 2014-12-15 Artemio Granzotto Seilfangvorrichtung für Einseilbahnen.

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2947829A (en) * 1957-11-25 1960-08-02 Engelhard Ind Inc Safety fuse
US3822369A (en) * 1973-06-29 1974-07-02 Lift Eng & Mfg Inc Frangible, flexible printed circuit sensor fracturable by derailed cable
US4220095A (en) * 1977-04-22 1980-09-02 S.A. Pomagalski Overhead cable transport installation with a device for monitoring the components supporting the cable
FR2387830A1 (fr) * 1977-04-22 1978-11-17 Pomagalski Sa Dispositif de securite surveillant l'integrite des elements d'appui du cable d'un balancier d'une telecabine ou d'un telesiege
FR2392858A1 (fr) * 1977-05-12 1978-12-29 Mautino Victor Ensemble support a galets pour cable d'installation de transport aerien par monocable porteur-tracteur
FR2391450A1 (fr) * 1977-05-18 1978-12-15 Stgm Procede et dispositif de controle de position d'un cable par rapport a un guide roulant
AT373832B (de) * 1981-04-21 1984-02-27 Nejez Josef Dipl Ing Dr Techn Sicherheitseinrichtung fuer die ueberwachung der seillage von geerdeten foerderseilen auf rollenbatterien von seilbahnen und schleppliften
US4462314A (en) * 1982-02-05 1984-07-31 Kunczynski Jan K Rocker arm assembly for an aerial tramway

Also Published As

Publication number Publication date
FR2562857A1 (fr) 1985-10-18
ATE35525T1 (de) 1988-07-15
FR2562857B1 (fr) 1987-01-16
US4640197A (en) 1987-02-03
EP0163555A1 (de) 1985-12-04
JPS60236866A (ja) 1985-11-25
CA1244286A (en) 1988-11-08
DE3563604D1 (en) 1988-08-11

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