EP3992137B1 - Self-propelled carriage, in particular for transporting material such as wood and such, and a cableway installation with a self-propelled travelling carriage - Google Patents

Self-propelled carriage, in particular for transporting material such as wood and such, and a cableway installation with a self-propelled travelling carriage Download PDF

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Publication number
EP3992137B1
EP3992137B1 EP21203110.8A EP21203110A EP3992137B1 EP 3992137 B1 EP3992137 B1 EP 3992137B1 EP 21203110 A EP21203110 A EP 21203110A EP 3992137 B1 EP3992137 B1 EP 3992137B1
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EP
European Patent Office
Prior art keywords
self
cable
carriage
traction cable
propelled carriage
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EP21203110.8A
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German (de)
French (fr)
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EP3992137A1 (en
Inventor
Stefan Leitner
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Leitalpin GmbH Srl
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Leitalpin GmbH Srl
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66D—CAPSTANS; WINCHES; TACKLES, e.g. PULLEY BLOCKS; HOISTS
    • B66D1/00—Rope, cable, or chain winding mechanisms; Capstans
    • B66D1/60—Rope, cable, or chain winding mechanisms; Capstans adapted for special purposes
    • B66D1/74—Capstans
    • B66D1/7405—Capstans having two or more drums providing tractive force
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
    • B66C11/00—Trolleys or crabs, e.g. operating above runways
    • B66C11/16—Rope, cable, or chain drives for trolleys; Combinations of such drives with hoisting gear
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
    • B66C21/00—Cable cranes, i.e. comprising hoisting devices running on aerial cable-ways

Definitions

  • the present invention relates to a self-propelled carriage, in particular for the transport of materials such as wood and the like, and a cable car system with a self-propelled carriage according to the invention.
  • carriages with different types of cable routing are known.
  • carriages which are cable-bound and move by shifting the supporting cable to which they are firmly connected.
  • a second type of carriage has a drive that moves the carriage directly on the suspension cable.
  • the carriage runs along the carrying cable and is moved by a traction cable via a stationary winch.
  • the present invention relates in particular to cable-guided carriages which are carried by a supporting cable and move by means of a so-called traction cable which is preferably arranged below the supporting cable. That is, the carriage moves on the support cable, z. B. by means of rollers, and the movement is carried out by the traction cable, which is an immovable cable on which the carriage pulls itself.
  • This wagon preferably has a winch for lifting and/or unloading material, e.g. As trees and the like.
  • the problem with this type of installation is that the traction cable must be under tension for the self-propelled trolley to move. For this reason, the traction cable is often tensioned with counterweights.
  • the systems described in the present invention are often temporary systems, e.g. H. it is only installed for a short period of time to allow transport of e.g. B. to allow trees from the felling area and / or to ensure the transport of material and the like during the construction of buildings and the like.
  • weights which are used to tension the traction cable, cause a great deal of effort when setting up the system. If the weights are not used to tension the traction cable, the traction cable could become trapped or fall off the pulleys and the trolley could become stuck. A slack pull rope can cause the pull rope to slip on the rollers.
  • a system and/or device for avoiding the use of counterweights and for tensioning the traction cable is not taught.
  • AT163057 describes a cable car system or cable cranes for the transport of wood (felled trees).
  • This system consists of a suspension cable and an endless traction cable for moving the carriage, the traction cable moving the carriage or the crane, which is firmly connected to the cable.
  • substantially is understood to mean a deviation in angle of plus or minus 5° and in length of plus or minus 5% of the length of the specified object.
  • the object of the present invention is to realize a self-propelled carriage for a cable car with at least one support cable and at least one drive cable, which has an actuator for movement along the cable.
  • a self-propelled carriage for a cable car system with at least one suspension cable and at least one traction cable, which has an actuator for movement along the cable according to claim 1.
  • a self-propelled carriage which has a carriage frame which can be moved by means of at least one carrying roller on a carrying cable and on which at least one actuator is arranged, the carriage has at least one drive roller driven by the actuator, on which a traction cable is at least partially wound, and which has at least one tensioning device which presses at least one traction cable against the drive roller, and which has at least one rolling body in the pressure zone, which enables movement of the traction cable .
  • the tensioning device presses the traction cable, preferably at the input winding and the output winding of the cable from the drive rollers, against the rollers .
  • the drive rollers have grooves for the traction cable, preferably the grooves are offset by one groove between e.g. two drive rollers, so that the inclination between the axes of rotation of the rollers is advantageously such that the cable is shifted by the width of the traction cable per turn, so that the traction cable can run as straight as possible and wear and tear and loss of strength are minimized.
  • the grooves of the drive rollers are aligned on one side.
  • the carriage feed system includes the drive roller(s), actuator(s) and tensioning system and can be positioned either horizontally, vertically or at an angle on the self-propelled carriage.
  • a lifting device for raising and lowering a rope is arranged on the z. B. felled trees are attached.
  • This hoist rope is advantageously operated by the same actuator that drives the drive pulleys.
  • the advantageous tensioning device consists of two arms pivoted about a mounting pivotally mounted on the drive pulley frame, one of the arms pressing a spool onto a drive pulley and having in the pressure zone a rolling element, for example a bearing, which slides the traction cable on the drive pulley leaves.
  • the two arms can be secured by a tensioning element, e.g. B. a spring, a screw or the like, connected to each other, whereby a certain pressure on the traction cable can be maintained.
  • a tensioning element e.g. B. a spring, a screw or the like
  • the tensioning element can be hydraulic or electric and the pressure of the arm with roller against the traction cable can also be adjusted remotely.
  • the self-propelled carriage advantageously has a traction cable guide which is arranged upstream and downstream of the drive rollers, so that the traction cable can be guided to the drive rollers both when the self-propelled carriage is moving up and down.
  • This advantageous guide device consists of two rollers arranged one above the other for the vertical rope guidance, and preferably additionally two rollers arranged laterally for the horizontal cable guide between which the traction cable is guided.
  • FIG. 1 Designated by reference numeral 100 is a self-propelled trolley which is slidably supported by a suspension cable 200 by means of support rollers 102 connected to the frame 101 of the self-propelled trolley 100.
  • the self-propelled carriage has two units with two support rollers 102, which move on the support cable 200 in a displaceable manner.
  • At least one actuator/drive is arranged on the self-propelled carriage 100, which drives at least one drive roller 103.
  • at least two drive rollers 103 preferably both driven, can be rotated about two axes that are essentially parallel to one another.
  • a traction cable 201 is at least partially wound around at least two pulleys 103 .
  • the traction cable 201 is wound so that it enters and exits the drive pulley 103 straight, thereby avoiding wear between the pulleys 103, particularly the edges of the groove in the pulley 103 in which the traction cable 201 lies.
  • the drive rollers are not arranged parallel to one another, so that the groove between the entry of the traction cable 201 into the drive roller 103 and the exit from the drive roller 103 is shifted by a width of the traction cable, so that the traction cable 201 when exiting and entering the Drive roller 103 as well as in all wraps between the rollers always runs straight.
  • a tensioning device 110 is provided in order to improve the hold of the drive rollers 103 on the cable.
  • This tensioning device 110 comprises at least one tensioning arm 112, preferably two tensioning arms 112, 113, each of which is articulated on a support roller frame.
  • These two clamping arms 112, 113 are advantageously articulated at the respective attachment points 114, 115 on the supporting roller frame. In this way the arms can be rotated in relation to the drive pulleys 103 and thus the compressive force with which the arms 112, 113 pull the cable 201 against the drive pulley 103 press to be set. This also ensures that the traction cable 201 does not jump out of the drive rollers, which would cause the carriage 100 to jam.
  • the arms 112, 113 have a roller 116 in the pressure zone which presses against the cable 201 and thus generates a compressive force and allows the cable 201 to move.
  • This rolling body 116 can be a cylinder, a bearing or the like.
  • the arms 112, 113 are at least one for each drive roller 103 and the rolling body 116 presses on at least one winding of the traction cable 201 that runs into the drive roller 103 or on at least one winding of the traction cable 201 that exits the drive roller 103.
  • these are reversed when the direction of travel of the self-propelled car 100 changes, i. H. when ascending or descending between a valley station and a mountain station of the cable car.
  • the two arms 112 and 113 are preferably connected by a clamping element 111, via which the compressive force of the clamping device 110 can be adjusted.
  • this connection can be released by the tightening element 111 to allow the opening of the arms 112 and 113, allowing easy loading and unloading of the traction cable 201 during the phase of attaching/detaching the self-propelled trolley 200 to/from the traction cable 201 .
  • the traction cable 201 runs through a guide device 104 in front of and/or the drive roller(s) 103, with which the traction cable 201 is closed the drive rollers 103 can be guided.
  • This guiding device 104 is arranged in front of the drive rollers 103 both downstream and upstream.
  • the guide device 104 advantageously has a sensor for detecting blockages in the traction cable 201, e.g. B. if the towing rope is caught between rocks and/or between trees.
  • the senor can provide means for signaling and/or blocking the carriage when the traction cable is blocked.
  • a signal lamp can light up on the user remote control and the car can be locked at the same time.
  • the self-propelled carriage 100 is moved along the supporting cable 200 by pulling on the traction cable 201 .
  • the movement of the carriage 100 can take place in both directions of the supporting cable 200 .
  • the drive is preferably carried out by an actuator, not shown, z. B. can be an electric motor, the z. B. can be controlled by remote controls.
  • the electric motor can also be used as a generator when the carriage 100 moves downstream and the electric motor converts the mechanical energy of the drive rollers 103, which are moved by gravity, into electrical energy.
  • the electric motor can also move the hoisting rope 202, e.g. B. lifts the felled logs which are then taken to the collection area where the wood is then unloaded. By lowering can also electrical energy are generated, the z. B. can be stored in a arranged on the self-propelled car 100 battery.
  • This example application for the self-propelled trolley 100 is by way of non-limiting example only, as the self-propelled trolley 100 could also be used on cranes or other applications where movement on a catenary is required.
  • the self-propelled carriage 100 is advantageously used in a cable car system according to the invention.
  • This cable car is preferably a temporary installation, i. H. it is only installed for a limited period of time by means of an erectable and dismantling structure, for example during the time of logging in a forest area.
  • the installation according to the invention comprises a downstream station and an upstream station, between which at least one suspension cable 200 carrying the self-propelled carriage 100 is stretched.
  • the traction cable does not have to be tensioned, since the tensioning system according to the invention on a self-propelled carriage 100 enables movement along the entire system without the traction cable 201 necessarily having to be tensioned.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Platform Screen Doors And Railroad Systems (AREA)
  • Control And Safety Of Cranes (AREA)

Description

Die vorliegende Erfindung betrifft einen selbstfahrender Laufwagen, insbesondere für den Transport von Materialien, wie z.B. Holz und dergleichen, sowie eine Seilbahnanlage mit einem erfindungsgemäßen selbstfahrenden Laufwagen.The present invention relates to a self-propelled carriage, in particular for the transport of materials such as wood and the like, and a cable car system with a self-propelled carriage according to the invention.

Es sind verschiedene Arten von Laufwägen mit verschiedenen Arten der Seilführung bekannt. Im Allgemeinen sind Laufwagen bekannt, die seilgebunden sind und sich durch Verschieben des Tragseils bewegen, mit dem sie fest verbunden sind.Various types of carriages with different types of cable routing are known. In general, carriages are known which are cable-bound and move by shifting the supporting cable to which they are firmly connected.

Eine zweite Art von Laufwagen hat einen Antrieb, der den Laufwagen direkt auf dem Tragseil bewegt.A second type of carriage has a drive that moves the carriage directly on the suspension cable.

Bei einer dritten Variante läuft der Laufwagen am Tragseil entlang und wird durch ein Zugseil über eine stationäre Winde bewegt.In a third variant, the carriage runs along the carrying cable and is moved by a traction cable via a stationary winch.

Die vorliegende Erfindung betrifft insbesondere seilgeführte Laufwagen, die von einem Tragseil getragen werden und sich mittels eines vorzugsweise unterhalb des Tragseils angeordneten sogenannten Zugseils bewegen. Das heißt, der Laufwagen bewegt sich auf dem Tragseil, z. B. mittels Rollen, und die Bewegung erfolgt durch das Zugseil, das ein unbewegliches Seil ist an dem sich der Laufwagen zieht. Dieser Wagen verfügt vorzugsweise über eine Winde zum Anheben und/oder Abladen von Material, z. B. Bäumen und dergleichen.The present invention relates in particular to cable-guided carriages which are carried by a supporting cable and move by means of a so-called traction cable which is preferably arranged below the supporting cable. That is, the carriage moves on the support cable, z. B. by means of rollers, and the movement is carried out by the traction cable, which is an immovable cable on which the carriage pulls itself. This wagon preferably has a winch for lifting and/or unloading material, e.g. As trees and the like.

Das Problem bei dieser Art der Installation ist, dass das Zugseil unter Spannung stehen muss, damit sich der selbstfahrende Laufwagen bewegen kann. Aus diesem Grund wird das Zugseil oft mit Gegengewichten gespannt. Bei den in der vorliegenden Erfindung beschriebenen Anlagen handelt es sich häufig um temporäre Anlagen, d. h. sie wird nur für einen kurzen Zeitraum installiert, um einen Transport von z. B. Bäumen aus dem Fällungsgebiet zu ermöglichen und/oder den Transport von Material und dergleichen während der Errichtung von Gebäuden und dergleichen zu gewährleisten.The problem with this type of installation is that the traction cable must be under tension for the self-propelled trolley to move. For this reason, the traction cable is often tensioned with counterweights. The systems described in the present invention are often temporary systems, e.g. H. it is only installed for a short period of time to allow transport of e.g. B. to allow trees from the felling area and / or to ensure the transport of material and the like during the construction of buildings and the like.

Diese Gewichte, die zum Spannen des Zugseils verwendet werden, verursachen einen hohen Aufwand beim Aufbau der Anlage. Wenn die Gewichte nicht zum Spannen des Zugseils verwendet werden, kann das Zugseil eingeklemmt werden oder von den Rollen fallen, und der Wagen kann stecken bleiben. Ein ungespanntes Zugseil kann dazu führen, dass das Zugseil auf den Rollen rutscht.These weights, which are used to tension the traction cable, cause a great deal of effort when setting up the system. If the weights are not used to tension the traction cable, the traction cable could become trapped or fall off the pulleys and the trolley could become stuck. A slack pull rope can cause the pull rope to slip on the rollers.

Ein selbstfahrender Laufwagen für Kräne desselben Typs mit einem Energierückgewinnungssystem ist aus dem WO 2018/065090 A WO 2018/065090 A offenbart den Oberbegriff des Anspruchs 1.A self-propelled carriage for cranes of the same type with an energy recovery system is from the WO 2018/065090 A WO 2018/065090 A discloses the preamble of claim 1.

Ein System und/oder eine Vorrichtung zur Vermeidung der Verwendung von Gegengewichten und zum Spannen des Zugseils werden nicht gelehrt.A system and/or device for avoiding the use of counterweights and for tensioning the traction cable is not taught.

Aus CH 562751 ist eine Seilbahnanlage für Kräne bekannt, die auch einen personen- oder ferngesteuerten Laufwagen für den Transport von Material, insbesondere von Bäumen und dergleichen, aufweist. Bei diesem Laufwagen werden zwei Raupenketten verwendet, die das Tragseil zusammendrücken und durch diese Kompression eine Kraft erzeugen, die es ermöglicht, den Laufwagen zu bewegen. Dieses System garantiert nicht, dass das Seil auf den Rollen nicht durchrutscht, und daher ist es möglich, dass sich der Wagen nicht richtig bewegt, wenn das Tragseil nicht unter Zug steht.Out of CH562751 a cableway system for cranes is known, which also has a person-controlled or remote-controlled carriage for the transport of material, in particular trees and the like. Two caterpillar chains are used on this carriage, which carry the carrying cable compress and through this compression generate a force that makes it possible to move the carriage. This system does not guarantee that the rope will not slip on the pulleys and therefore the trolley may not move properly unless the suspension rope is under tension.

AT163057 beschreibt eine Seilbahnanlage bzw. Seilkräne für den Transport von Holz (gefällte Bäume). Diese Anlage besteht aus einem Tragseil und einem endlosen Zugseil zum Bewegen des Laufwagens, wobei das Zugseil den Laufwagen oder den Kran bewegt, der fest mit dem Seil verbunden ist. AT163057 describes a cable car system or cable cranes for the transport of wood (felled trees). This system consists of a suspension cable and an endless traction cable for moving the carriage, the traction cable moving the carriage or the crane, which is firmly connected to the cable.

In der vorliegenden Beschreibung und den beigefügten Ansprüchen wird unter "im Wesentlichen" eine Abweichung des Winkels von plus oder minus 5° und der Länge von plus oder minus 5 % der Länge des angegebenen Objekts verstanden.In the present specification and appended claims, "substantially" is understood to mean a deviation in angle of plus or minus 5° and in length of plus or minus 5% of the length of the specified object.

Aufgabe der vorliegenden Erfindung ist es, einen selbstfahrenden Laufwagen für eine Seilbahn mit mindestens einem Tragseil und mindestens einem Antriebsseil zu realisieren, die einen Aktuator zur Bewegung entlang des Seils aufweist.The object of the present invention is to realize a self-propelled carriage for a cable car with at least one support cable and at least one drive cable, which has an actuator for movement along the cable.

Diese Aufgabe wird gelöst durch einen selbstfahrenden Laufwagen für eine Seilbahnanlage mit mindestens einem Tragseil und mindestens einem Zugseil, die einen Aktuator zur Bewegung entlang des Seils nach Anspruch 1 aufweist.This object is achieved by a self-propelled carriage for a cable car system with at least one suspension cable and at least one traction cable, which has an actuator for movement along the cable according to claim 1.

Erfindungsgemäß wird ein selbstfahrender Laufwagen vorgeschlagen, der einen mittels mindestens einer Tragrolle an einem Tragseil bewegbaren Laufwagenrahmen aufweist, an dem mindestens ein Stellantrieb angeordnet ist, wobei der Laufwagen mindestens eine von dem Stellantrieb angetriebene Antriebsrolle aufweist, auf der zumindest teilweise ein Zugseil aufgewickelt ist, und die mindestens eine Spannvorrichtung aufweist, die mindestens ein Zugseil gegen die Antriebsrolle drückt, und die in der Druckzone mindestens einen Rollkörper aufweist, der eine Bewegung des Zugseils ermöglicht.According to the invention, a self-propelled carriage is proposed which has a carriage frame which can be moved by means of at least one carrying roller on a carrying cable and on which at least one actuator is arranged, the carriage has at least one drive roller driven by the actuator, on which a traction cable is at least partially wound, and which has at least one tensioning device which presses at least one traction cable against the drive roller, and which has at least one rolling body in the pressure zone, which enables movement of the traction cable .

Vorzugsweise befinden sich auf dem Laufwagen mindestens zwei drehbare Antriebsrollen mit zueinander parallelen, oder vorzugsweise nicht parallelen Achsen, um die das Zugseil zumindest teilweise gewickelt wird, und die Spannvorrichtung drückt das Zugseil vorzugsweise bei der Eingangswicklung und der Ausgangswicklung des Seils von den Antriebsrollen gegen die Rollen.Preferably, there are at least two rotatable drive rollers on the carriage with mutually parallel, or preferably non-parallel axes, around which the traction cable is at least partially wound, and the tensioning device presses the traction cable, preferably at the input winding and the output winding of the cable from the drive rollers, against the rollers .

Die Antriebsrollen haben Rillen für das Zugseil, vorzugsweise sind die Rillen um eine Rille versetzt zwischen z.B. zwei Antriebsrollen angeordnet, so dass vorteilhafterweise die Neigung zwischen den Drehachsen der Rollen so ist, dass das Seil pro Windung um die Breite des Zugseils verschoben wird, so dass das Zugseil möglichst geradlinig laufen kann und Verschleiß und Festigkeitsverluste minimiert werden. Außerdem fluchten die Rillen der Antriebsrollen auf einer Seite.The drive rollers have grooves for the traction cable, preferably the grooves are offset by one groove between e.g. two drive rollers, so that the inclination between the axes of rotation of the rollers is advantageously such that the cable is shifted by the width of the traction cable per turn, so that the traction cable can run as straight as possible and wear and tear and loss of strength are minimized. In addition, the grooves of the drive rollers are aligned on one side.

Das Wagenvorschubsystem umfasst die Antriebsrolle(n), den/die Aktuator(en) und das Spannsystem und kann entweder horizontal, vertikal oder schräg auf dem selbstfahrenden Wagen positioniert werden.The carriage feed system includes the drive roller(s), actuator(s) and tensioning system and can be positioned either horizontally, vertically or at an angle on the self-propelled carriage.

Wird die Vorschubrichtung geändert, so bleibt der Druck auf die Ein- und Auslasswicklungen stets erhalten.If the feed direction is changed, the pressure on the inlet and outlet windings is always maintained.

Auf dem erfindungsgemäßen Wagen ist eine Hebevorrichtung zum Anheben und Absenken eines Seils angeordnet, an dem z. B. gefällte Bäume befestigt sind. Dieses Hubseil wird vorteilhafterweise von demselben Stellantrieb bedient, der auch die Antriebsrollen antreibt.On the car according to the invention a lifting device for raising and lowering a rope is arranged on the z. B. felled trees are attached. This hoist rope is advantageously operated by the same actuator that drives the drive pulleys.

Die vorteilhafte Spannvorrichtung besteht aus zwei Armen, die um eine schwenkbar am Antriebsrollengestell angebrachte Befestigung geschwenkt werden, wobei einer der Arme eine Spule auf eine Antriebsrolle drückt und in der Druckzone ein Wälzkörper, zum Beispiel ein Lager, aufweist, der das Zugseil auf der Antriebsrolle gleiten lässt.The advantageous tensioning device consists of two arms pivoted about a mounting pivotally mounted on the drive pulley frame, one of the arms pressing a spool onto a drive pulley and having in the pressure zone a rolling element, for example a bearing, which slides the traction cable on the drive pulley leaves.

Um eine Spannung auf den Seilen zu gewährleisten, können die beiden Arme durch ein Spannelement, z. B. eine Feder, eine Schraube oder ähnliches, miteinander verbunden werden, wodurch ein bestimmter Druck auf das Zugseil aufrechterhalten werden kann.In order to ensure tension on the ropes, the two arms can be secured by a tensioning element, e.g. B. a spring, a screw or the like, connected to each other, whereby a certain pressure on the traction cable can be maintained.

In einer weiteren Ausführung kann das Spannelement hydraulisch oder elektrisch sein und der Druck des Arms mit Rolle gegen das Zugseil kann auch ferngesteuert eingestellt werden.In a further embodiment, the tensioning element can be hydraulic or electric and the pressure of the arm with roller against the traction cable can also be adjusted remotely.

Der selbstfahrende Laufwagen verfügt vorteilhaft über eine Zugseilführung, die stromabwärts und stromaufwärts der Antriebsrollen angeordnet ist, so dass das Zugseil sowohl beim Abwärts als auch beim Aufwärtsfahren des selbstfahrenden Laufwagen zu den Antriebsrollen geführt werden kann.The self-propelled carriage advantageously has a traction cable guide which is arranged upstream and downstream of the drive rollers, so that the traction cable can be guided to the drive rollers both when the self-propelled carriage is moving up and down.

Diese vorteilhafte Führungsvorrichtung besteht aus zwei übereinander angeordneten Rollen für die vertikale Seilführung, und vorzugsweise zusätzlich zwei seitlich angeordneten Rollen für die horrizontale Seilführung, zwischen denen das Zugseil geführt wird.This advantageous guide device consists of two rollers arranged one above the other for the vertical rope guidance, and preferably additionally two rollers arranged laterally for the horizontal cable guide between which the traction cable is guided.

Weitere Merkmale und Einzelheiten ergeben sich aus den weiteren Ansprüchen und der Beschreibung von zwei Ausführungsbeispielen einer Zug-/Hebevorrichtung unter Bezugnahme auf die Figuren der beigefügten Zeichnung, in der diese dargestellt sind. Es zeigen,

  • Figur 1: eine Seitenansicht eines Teils eines erfindungsgemäßen Wagens,
  • Figur 2 eine Seitenansicht eines Ausschnitts der Zugvorrichtung mit der erfindungsgemäßen Führungsvorrichtung,
  • Figur 3: einen Schnitt durch die Spannvorrichtung mit Antriebsrollen,
  • Figur 4: eine Ansicht der Spannvorrichtung mit den Antriebsrollen von oben,
  • Figur 5, eine Ansicht der Spannvorrichtung mit den Antriebsrollen von unten,
  • Figur 5: eine Ansicht der Spannvorrichtung mit den vorderen Antriebsrollen, und
  • Figur 6: eine Ansicht der Spannvorrichtung mit den hinteren Antriebsrollen.
Further features and details result from the further claims and the description of two exemplary embodiments of a pulling/lifting device with reference to the figures of the attached drawing in which these are shown. Show it,
  • figure 1 : a side view of part of a trolley according to the invention,
  • figure 2 a side view of a section of the traction device with the guide device according to the invention,
  • figure 3 : a section through the tensioner with drive rollers,
  • figure 4 : a view of the tensioning device with the drive rollers from above,
  • figure 5 , a view of the tensioning device with the drive rollers from below,
  • figure 5 : a view of the tensioning device with the front drive rollers, and
  • figure 6 : a view of the tensioner with the rear drive rollers.

In Figur 1 ist ein selbstfahrender Laufwagen mit der Bezugsziffer 100 bezeichnet, der von einem Tragseil 200 mittels der Stützrollen 102, die mit dem Rahmen 101 des selbstfahrenden Wagens 100 verbunden sind, gleitend getragen wird. Vorteilhafterweise verfügt der selbstfahrende Wagen über zwei Aggregate mit zwei Tragrollen 102, die sich verschiebbar auf dem Tragseil 200 bewegen.In figure 1 Designated by reference numeral 100 is a self-propelled trolley which is slidably supported by a suspension cable 200 by means of support rollers 102 connected to the frame 101 of the self-propelled trolley 100. FIG. Advantageously, the self-propelled carriage has two units with two support rollers 102, which move on the support cable 200 in a displaceable manner.

An dem selbstfahrenden Wagen 100 ist mindestens ein nicht dargestellter Aktuator/Antrieb angeordnet, der mindestens eine Antriebsrolle 103 antreibt, vorteilhafterweise sind mindestens zwei Antriebsrollen 103, vorzugsweise beide angetrieben, um zwei zueinander im Wesentlichen parallele Achsen drehbar. Ein Zugseil 201 ist zumindest teilweise um mindestens zwei Rollen 103 gewickelt. Das Zugseil 201 ist so gewickelt, dass es gerade von der Antriebsrolle 103 ein- bzw. aus ihr austritt, wodurch ein Verschleiß zwischen den Rollen 103, insbesondere den Rändern der Rille in der Rolle 103, in der das Zugseil 201 liegt, vermieden wird. Vorteilhafterweise sind die Antriebsrollen nicht parallel zueinander angeordnet, so dass die Rille zwischen dem Eintritt des Zugseils 201 in die Antriebsrolle 103 und dem Austritt aus der Antriebsrolle 103 um eine Breite des Zugseils verschoben ist, so dass das Zugseil 201 beim Austritt aus und Eintritt in die Antriebsrolle 103 als auch in allen Umschlingungen zwischen den Rollen immer gerade verläuft.At least one actuator/drive, not shown, is arranged on the self-propelled carriage 100, which drives at least one drive roller 103. Advantageously, at least two drive rollers 103, preferably both driven, can be rotated about two axes that are essentially parallel to one another. A traction cable 201 is at least partially wound around at least two pulleys 103 . The traction cable 201 is wound so that it enters and exits the drive pulley 103 straight, thereby avoiding wear between the pulleys 103, particularly the edges of the groove in the pulley 103 in which the traction cable 201 lies. Advantageously, the drive rollers are not arranged parallel to one another, so that the groove between the entry of the traction cable 201 into the drive roller 103 and the exit from the drive roller 103 is shifted by a width of the traction cable, so that the traction cable 201 when exiting and entering the Drive roller 103 as well as in all wraps between the rollers always runs straight.

Um den Halt der Antriebsrollen 103 am Seil zu verbessern, ist eine Spannvorrichtung 110 vorgesehen. Diese Spannvorrichtung 110 umfasst mindestens einen Spannarm 112, vorzugsweise zwei Spannarme 112, 113, die jeweils an einem Tragrollenrahmen angelenkt sind. Diese beiden Spannarme 112, 113 sind vorteilhafterweise an den jeweiligen Befestigungspunkten 114, 115 an dem tragenden Rollenrahmen angelenkt. Auf diese Weise können die Arme in Bezug auf die Antriebsrollen 103 gedreht werden und somit die Druckkraft, mit der die Arme 112, 113 das Zugseil 201 gegen die Antriebsrolle 103 drücken, eingestellt werden. Dadurch wird auch sichergestellt, dass das Zugseil 201 nicht aus den Antriebsrollen herausspringt, was zu einer Blockierung des Wagens 100 führen würde.A tensioning device 110 is provided in order to improve the hold of the drive rollers 103 on the cable. This tensioning device 110 comprises at least one tensioning arm 112, preferably two tensioning arms 112, 113, each of which is articulated on a support roller frame. These two clamping arms 112, 113 are advantageously articulated at the respective attachment points 114, 115 on the supporting roller frame. In this way the arms can be rotated in relation to the drive pulleys 103 and thus the compressive force with which the arms 112, 113 pull the cable 201 against the drive pulley 103 press to be set. This also ensures that the traction cable 201 does not jump out of the drive rollers, which would cause the carriage 100 to jam.

Die Arme 112, 113 haben in der Druckzone einen Rollkörper 116, der gegen das Zugseil 201 drückt und somit eine Druckkraft erzeugt und die Bewegung des Zugseils 201 ermöglicht. Dieser Rollkörper 116 kann ein Zylinder, ein Lager oder ähnliches sein.The arms 112, 113 have a roller 116 in the pressure zone which presses against the cable 201 and thus generates a compressive force and allows the cable 201 to move. This rolling body 116 can be a cylinder, a bearing or the like.

Um einen optimalen Druck zu gewährleisten, sind die Arme 112, 113 jeweils mindestens einer für jede Antriebsrolle 103 und der Rollkörper 116 drückt auf mindestens eine Windung des Treibseils 201, die in die Antriebsrolle 103 einläuft bzw. auf mindestens eine Windung des Treibseils 201, die aus der Antriebsrolle 103 austritt. Diese werden natürlich vertauscht, wenn sich die Fahrtrichtung des selbstfahrenden Wagens 100 ändert, d. h. wenn er zwischen einer Talstation und einer Bergstation der Seilbahn auf- oder absteigt. Vorzugsweise sind die beiden Arme 112 und 113 durch ein Spannelement 111 verbunden, über das die Druckkraft der Spannvorrichtung 110 eingestellt werden kann.In order to ensure optimal pressure, the arms 112, 113 are at least one for each drive roller 103 and the rolling body 116 presses on at least one winding of the traction cable 201 that runs into the drive roller 103 or on at least one winding of the traction cable 201 that exits the drive roller 103. Of course, these are reversed when the direction of travel of the self-propelled car 100 changes, i. H. when ascending or descending between a valley station and a mountain station of the cable car. The two arms 112 and 113 are preferably connected by a clamping element 111, via which the compressive force of the clamping device 110 can be adjusted.

Vorteilhafterweise kann diese Verbindung durch das Spannelement 111 gelöst werden, um das Öffnen der Arme 112 und 113 zu ermöglichen, was ein einfaches Einlegen bzw. Entnehmen des Zugseils 201 während der Phase des Anbringens/Abnehmens des selbstfahrenden Wagens 200 an das/vom Zugseil 201 ermöglicht.Advantageously, this connection can be released by the tightening element 111 to allow the opening of the arms 112 and 113, allowing easy loading and unloading of the traction cable 201 during the phase of attaching/detaching the self-propelled trolley 200 to/from the traction cable 201 .

Vorteilhafterweise durchläuft das Zugseil 201 vor der und/oder den Antriebsrolle/n 103 eine Führungsvorrichtung 104, mit der das Zugseil 201 zu den Antriebsrollen 103 geführt werden kann. Diese Führungsvorrichtung 104 ist sowohl stromabwärts als auch stromaufwärts vor den Antriebsrollen 103 angeordnet.Advantageously, the traction cable 201 runs through a guide device 104 in front of and/or the drive roller(s) 103, with which the traction cable 201 is closed the drive rollers 103 can be guided. This guiding device 104 is arranged in front of the drive rollers 103 both downstream and upstream.

Die Führungsvorrichtung 104 verfügt vorteilhafterweise über einen Sensor zur Erkennung von Blockaden des Zugseils 201, z. B. wenn sich das Zugseil zwischen Felsen und/oder zwischen Bäumen verfangen hat.The guide device 104 advantageously has a sensor for detecting blockages in the traction cable 201, e.g. B. if the towing rope is caught between rocks and/or between trees.

Falls der Sensor feststellt, dass das Zugseil eingeklemmt/blockiert ist, kann der Sensor Mittel zur Signalisierung und/oder Blockierung des Laufwagens bereitstellen, wenn das Zugseil blockiert ist. Zum Beispiel kann auf der Benutzerfernbedienung eine Signallampe aufleuchten und gleichzeitig der Wagen verriegelt werden.If the sensor detects that the traction cable is pinched/blocked, the sensor can provide means for signaling and/or blocking the carriage when the traction cable is blocked. For example, a signal lamp can light up on the user remote control and the car can be locked at the same time.

Durch Ziehen am Zugseil 201 wird der selbstfahrende Wagen 100 entlang des Tragseils 200 bewegt. Die Bewegung des Wagens 100 kann in beide Richtungen des Tragseils 200 erfolgen. Der Antrieb erfolgt vorzugsweise durch einen nicht abgebildeten Aktuator, der z. B. ein Elektromotor sein kann, der z. B. durch Fernbedienungen ferngesteuert werden kann.The self-propelled carriage 100 is moved along the supporting cable 200 by pulling on the traction cable 201 . The movement of the carriage 100 can take place in both directions of the supporting cable 200 . The drive is preferably carried out by an actuator, not shown, z. B. can be an electric motor, the z. B. can be controlled by remote controls.

Vorteilhafterweise kann der Elektromotor auch als Generator eingesetzt werden, wenn sich der Wagen 100 stromabwärts bewegt und der Elektromotor die mechanische Energie der Antriebsrollen 103, die durch die Schwerkraft bewegt werden, in elektrische Energie umwandelt. Der Elektromotor kann auch das Hubseil 202 bewegen, das z. B. die gefällten Holzstämme anhebt, die dann zum Sammelbereich gebracht werden, wo das Holz dann entladen wird. Durch das Absenken kann auch elektrische Energie erzeugt werden, die z. B. in einer auf dem selbstfahrenden Wagen 100 angeordneten Batterie gespeichert werden kann.Advantageously, the electric motor can also be used as a generator when the carriage 100 moves downstream and the electric motor converts the mechanical energy of the drive rollers 103, which are moved by gravity, into electrical energy. The electric motor can also move the hoisting rope 202, e.g. B. lifts the felled logs which are then taken to the collection area where the wood is then unloaded. By lowering can also electrical energy are generated, the z. B. can be stored in a arranged on the self-propelled car 100 battery.

Dieses Anwendungsbeispiel für den selbstfahrenden Laufwagen 100 ist nur ein nicht einschränkendes Beispiel, da der selbstfahrende Laufwagen 100 auch auf Kränen oder anderen Anwendungen eingesetzt werden könnte, bei denen die Bewegung an einem Tragseil erforderlich ist. Natürlich kann es auch mehr als ein Tragseil geben, z. B. zwei, und es kann auch mehr als ein Zugseil geben, das auf zwei oder mehr Antriebsrollen 103 aufgewickelt sein kann, vorzugsweise immer in einer Anzahl von zwei oder einem Vielfachen von zwei.This example application for the self-propelled trolley 100 is by way of non-limiting example only, as the self-propelled trolley 100 could also be used on cranes or other applications where movement on a catenary is required. Of course, there can also be more than one suspension cable, e.g. B. two, and there can also be more than one traction cable, which can be wound on two or more drive pulleys 103, preferably always in a number of two or a multiple of two.

Der selbstfahrende Wagen 100 wird vorteilhaft in einer erfindungsgemäßen Seilbahnanlage eingesetzt. Bei dieser Seilbahn handelt es sich vorzugsweise um eine temporäre Anlage, d. h. sie wird nur für einen begrenzten Zeitraum mit Hilfe einer auf- und abbaubaren Struktur installiert, beispielsweise während der Zeit von Holzschlag in einem Waldgebiet.The self-propelled carriage 100 is advantageously used in a cable car system according to the invention. This cable car is preferably a temporary installation, i. H. it is only installed for a limited period of time by means of an erectable and dismantling structure, for example during the time of logging in a forest area.

Die erfindungsgemäße Anlage umfasst eine stromabwärts gelegene Station und eine stromaufwärts gelegene Station, zwischen denen mindestens ein Tragseil 200 gespannt ist, das den selbstfahrenden Wagen 100 trägt. Außerdem befindet sich zwischen der Talstation und der Bergstation ein Zugseil 201. Erfindungsgemäß muss das Zugseil nicht gespannt werden, da das erfindungsgemäße Spannsystem an einem selbstfahrenden Laufwagen 100 eine Bewegung entlang des gesamten Systems ermöglicht, ohne dass das Zugseil 201 unbedingt gespannt sein muss.The installation according to the invention comprises a downstream station and an upstream station, between which at least one suspension cable 200 carrying the self-propelled carriage 100 is stretched. In addition, there is a traction cable 201 between the valley station and the mountain station. According to the invention, the traction cable does not have to be tensioned, since the tensioning system according to the invention on a self-propelled carriage 100 enables movement along the entire system without the traction cable 201 necessarily having to be tensioned.

Schließlich ist klar, dass Ergänzungen, Änderungen oder Varianten, die für den Fachmann naheliegend sind, an dem bisher beschriebenen zweiachsigen Kippsystem vorgenommen werden können, ohne den Schutzbereich der beigefügten Ansprüche zu überschreiten.Finally, it is clear that additions, modifications or variants, obvious to a person skilled in the art, can be made to the two-axle tilting system described so far, without going beyond the scope of protection of the appended claims.

Liste der BezugsziffernList of Reference Numbers

100100
selbstfahrender Laufwagenself-propelled trolley
101101
Fahrgestell/Rahmen des selbstfahrenden LaufwagensChassis/frame of the self-propelled trolley
102102
Stützrollensupport rollers
103103
Antriebsrollendrive rollers
104104
Führungsvorrichtungguiding device
110110
Spannvorrichtungclamping device
111111
Einstellelement der SpannvorrichtungAdjustment element of the clamping device
112112
Arm der Spannvorrichtungarm of the clamping device
113113
Arm der Spannvorrichtungarm of the clamping device
114114
Befestigung des Armsattachment of the arm
115115
Befestigung des Armsattachment of the arm
116116
Spannrolleidler pulley
200200
Tragseilcarrying rope
201201
Zugseilpull rope
202202
Hubseilhoist rope

Claims (11)

  1. A self-propelled carriage (100) for a cableway installation having at least one supporting cable (200) and at least one traction cable (201), the self-propelled carriage (100) having a frame (101), the frame (101) being movable on a supporting cable (200) by means of at least one supporting roller (102), at least one actuating member being arranged on the frame (101), the carriage having at least two drive rolls (103), which are actuated by at least one actuating member arranged on the self-propelled carriage (100), the traction cable (201) being at least partially wound onto the drive rolls (103), characterized in that at least one tensioning device (110) is arranged on the carriage (100), which presses at least one traction cable (201) against at least one drive roll (103), and the tensioning device (110) has a rolling element (116) in the pressure zone, which makes it possible for the traction cable (201) to move.
  2. The self-propelled carriage (100) according to claim 1, characterized in that it has at least two drive rolls (103) .
  3. The self-propelled carriage (100) according to claim 1 or 2, characterized in that the tensioning device (110) comprises an arm (112, 113) with a roller (116), and that the roller (116) of the arm (112, 113) presses on at least one winding of the traction cable (201).
  4. The self-propelled carriage (100) according to claim 3, characterized in that the tensioning device (110) comprises at least two arms (112, 113), having at least one rolling element (116), respectively, and that the rolling element (116) of the first arm (112) presses at least onto the first winding of the traction cable (201) entering the drive roll (103), or the rolling element (116) of the second arm (113) presses at least onto the last winding of the traction cable (201) emerging from the drive roll (103), or vice versa in the opposite direction of movement.
  5. The self-propelled carriage (100) according to any of the preceding claims, characterized in that a guide device (104) is arranged downstream and/or upstream of the drive roll(s) (103) in order to guide the traction cable (201) to the drive rolls (103).
  6. The self-propelled carriage (100) according to claim 5, characterized in that the guide device (104) has a sensor for detecting the blocking of the traction cable (201) and means for signaling and/or blocking the carriage when the traction cable (201) is blocked.
  7. The self-propelled carriage (100) according to any of the preceding claims, characterized in that the actuator driving the drive roll(s) (103) is an electric motor and is suitable for generating electrical energy, and is also suitable for driving the hoisting cable (202) to raise or lower loads, e.g. wood, felled trees and the like.
  8. The self-propelled carriage (100) according to any of the preceding claims, characterized in that the drive rolls (103) are inclined relative to one another and the grooves of the drive rolls (103) are aligned on one side and offset by the width of one groove on the opposite side of the rollers.
  9. The self-propelled carriage (100) according to any of the preceding claims, characterized in that the self-propelled carriage propulsion system (100) comprising the drive roll(s), the actuator(s) and the tensioning system (110) can be positioned either horizontally, vertically or inclined on the self-propelled carriage (100) .
  10. The self-propelled carriage (100) according to claim 2, characterized in that it has at least two drive rolls (103) having a non-parallel axis of rotation therebetween.
  11. A cableway installation with a valley station and a mountain station, a supporting cable (200) being tensioned between the valley station and the mountain station, and a traction cable (201) being arranged between the valley station and the mountain station, characterized in that the installation has at least one self-propelled carriage (100) according to any of the preceding claims.
EP21203110.8A 2020-10-30 2021-10-18 Self-propelled carriage, in particular for transporting material such as wood and such, and a cableway installation with a self-propelled travelling carriage Active EP3992137B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT102020000025798A IT202000025798A1 (en) 2020-10-30 2020-10-30 SELF-PROPELLED TROLLEY FOR CABLE CRANES IN PARTICULAR FOR THE TRANSPORT OF MATERIAL SUCH AS WOOD AND SIMILAR AND A CABLEWAY SYSTEM USING A SELF-PROPELLED TROLLEY

Publications (2)

Publication Number Publication Date
EP3992137A1 EP3992137A1 (en) 2022-05-04
EP3992137B1 true EP3992137B1 (en) 2023-07-05

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Application Number Title Priority Date Filing Date
EP21203110.8A Active EP3992137B1 (en) 2020-10-30 2021-10-18 Self-propelled carriage, in particular for transporting material such as wood and such, and a cableway installation with a self-propelled travelling carriage

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EP (1) EP3992137B1 (en)
IT (1) IT202000025798A1 (en)

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT163057B (en) 1947-02-20 1949-05-10 Pohlig Seilbahn Und Foerderanl Cable car or cable crane, in particular for conveying felled wood
CH562751A5 (en) 1974-03-11 1975-06-13 Schneider Kurt Rope-supported travelling crane - has hydraulic system valves controlled by radio signals from ground level
JP2576995Y2 (en) * 1992-10-27 1998-07-23 株式会社大林組 Moving trolley for cable
IT201600099746A1 (en) * 2016-10-05 2018-04-05 Stefan Leitner AUTOMOTOR TROLLEY FOR ROPE CRANES WITH ENERGY RECOVERY
AT521032B1 (en) * 2018-06-19 2019-10-15 Mm Forsttechnik Gmbh Universal carriage with forced unwinding of the hauling rope or the hoisting rope in 2- and 3-rope operation

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IT202000025798A1 (en) 2022-04-30
EP3992137A1 (en) 2022-05-04

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