EP3992137B1 - Selbstfahrender laufwagen, insbesondere für den transport von material wie holz und dergleichen, und eine seilbahnanlage mit einem selbstfahrenden laufwagen - Google Patents

Selbstfahrender laufwagen, insbesondere für den transport von material wie holz und dergleichen, und eine seilbahnanlage mit einem selbstfahrenden laufwagen 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
Prior art date
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Active
Application number
EP21203110.8A
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German (de)
English (en)
French (fr)
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EP3992137A1 (de
Inventor
Stefan Leitner
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Leitalpin GmbH Srl
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Leitalpin GmbH Srl
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Publication of EP3992137A1 publication Critical patent/EP3992137A1/de
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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B66HOISTING; LIFTING; HAULING
    • B66DCAPSTANS; WINCHES; TACKLES, e.g. PULLEY BLOCKS; HOISTS
    • B66D1/00Rope, cable, or chain winding mechanisms; Capstans
    • B66D1/60Rope, cable, or chain winding mechanisms; Capstans adapted for special purposes
    • B66D1/74Capstans
    • B66D1/7405Capstans having two or more drums providing tractive force
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B66HOISTING; LIFTING; HAULING
    • B66CCRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
    • B66C11/00Trolleys or crabs, e.g. operating above runways
    • B66C11/16Rope, cable, or chain drives for trolleys; Combinations of such drives with hoisting gear
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B66HOISTING; LIFTING; HAULING
    • B66CCRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
    • B66C21/00Cable 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)
EP21203110.8A 2020-10-30 2021-10-18 Selbstfahrender laufwagen, insbesondere für den transport von material wie holz und dergleichen, und eine seilbahnanlage mit einem selbstfahrenden laufwagen Active EP3992137B1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT102020000025798A IT202000025798A1 (it) 2020-10-30 2020-10-30 Carrello automotore per gru a fune in particolare per il trasporto di materiale come per esempio legno e simile e un impianto funiviario utilizzante un carrello automotore

Publications (2)

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

Family

ID=74194866

Family Applications (1)

Application Number Title Priority Date Filing Date
EP21203110.8A Active EP3992137B1 (de) 2020-10-30 2021-10-18 Selbstfahrender laufwagen, insbesondere für den transport von material wie holz und dergleichen, und eine seilbahnanlage mit einem selbstfahrenden laufwagen

Country Status (2)

Country Link
EP (1) EP3992137B1 (it)
IT (1) IT202000025798A1 (it)

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT163057B (de) 1947-02-20 1949-05-10 Pohlig Seilbahn Und Foerderanl Seilbahn bzw. Seilkran, insbesondere zur Förderung von geschlägertem Holz
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 (ja) * 1992-10-27 1998-07-23 株式会社大林組 ケーブル用移動台車
IT201600099746A1 (it) * 2016-10-05 2018-04-05 Stefan Leitner Carrello automotore per gru a fune con recupero di energia
AT521032B1 (de) * 2018-06-19 2019-10-15 Mm Forsttechnik Gmbh Universallaufwagen mit Zwangsausspulung des Zugseils beziehungsweise des Hubseiles im 2- und 3-Seilbetrieb

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Publication number Publication date
IT202000025798A1 (it) 2022-04-30
EP3992137A1 (de) 2022-05-04

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