EP0265355A1 - Greiferwagen für Doppelkabelbahn - Google Patents

Greiferwagen für Doppelkabelbahn Download PDF

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Publication number
EP0265355A1
EP0265355A1 EP87420283A EP87420283A EP0265355A1 EP 0265355 A1 EP0265355 A1 EP 0265355A1 EP 87420283 A EP87420283 A EP 87420283A EP 87420283 A EP87420283 A EP 87420283A EP 0265355 A1 EP0265355 A1 EP 0265355A1
Authority
EP
European Patent Office
Prior art keywords
cable
support
jaws
trolley according
clamping
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.)
Granted
Application number
EP87420283A
Other languages
English (en)
French (fr)
Other versions
EP0265355B1 (de
Inventor
Jean Claude Georges
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.)
DENIS CREISSELS SA
Original Assignee
DENIS CREISSELS 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 DENIS CREISSELS SA filed Critical DENIS CREISSELS SA
Priority to AT87420283T priority Critical patent/ATE62633T1/de
Publication of EP0265355A1 publication Critical patent/EP0265355A1/de
Application granted granted Critical
Publication of EP0265355B1 publication Critical patent/EP0265355B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • B61B12/06—Safety devices or measures against cable fracture
    • 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
    • B61B12/005—Rescue devices for passengers
    • 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
    • B61B12/12—Cable grippers; Haulage clips
    • B61B12/122—Cable grippers; Haulage clips for aerial ropeways
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B61—RAILWAYS
    • B61B—RAILWAY SYSTEMS; EQUIPMENT THEREFOR NOT OTHERWISE PROVIDED FOR
    • B61B7/00—Rope railway systems with suspended flexible tracks
    • B61B7/04—Rope railway systems with suspended flexible tracks with suspended tracks serving as haulage cables
    • B61B7/045—Rope railway systems with suspended flexible tracks with suspended tracks serving as haulage cables having in each direction more than one track serving as haulage cables

Definitions

  • the invention relates to a support trolley for a cabin or a seat of a transport installation with an overhead tractor carrying cable, comprising at least one fixed attachment for coupling the trolley to the cable.
  • Carrier-tractor cable installations require delicate rescue operations in the event of the cabins or seats being immobilized, especially when the site is difficult to access.
  • a heavy load due in particular to vertical oscillations, can impose excessive bending on the cable.
  • the present invention aims to allow the realization of a support trolley facilitating rescue operations without using complicated equipment and / or avoiding excessive bending of the cable.
  • the trolley according to the invention is characterized in that said fastener comprises clamping parts and support parts, rigidly secured to the clamping parts to cooperate with the cable and take up the weight of the trolley when the parts for opening are tightening for a rescue operation, said bearing parts having a guide groove in which the cable is housed.
  • the clamps are fixed pliers or fixed jaws.
  • the supporting pieces which can be pads or rollers, rest on the cable and support the load.
  • the cable remains between the open jaws of the pliers or jaws and is guided by the grooves made in the pads or the rollers.
  • the trolley can then be towed by any means, for example by the cable of a winch moored to a pylon, to slide on the cable and be brought to the pylon or another location where rescue is easier.
  • the clamps are of the standard type with fixed and movable jaw enclosing the lateral faces of the cable in the coupling position.
  • Linen vention is particularly suitable for gondolas with two parallel carrier-towing cables, in which the two immobilized cables constitute a real support and guide track for the trolley towed by the winch.
  • the absence of pylons in line also allows a significant simplification of the carriage and the use of jaws enclosing the upper and lower sides of the cable.
  • the supporting parts have an upward curved face of the cable, the radius of curvature of which is greater than the minimum regulatory radius of curvature to avoid excessive bending of the cable.
  • the length of the support pieces, which surround the pliers or jaws, is sufficient so that the cable never comes into contact with the end of the support piece or horn and the curvature of the support face of the norne is less than that tolerated by the cable. Therefore it is possible to make use of relatively long fasteners which ensure a good distribution of the load on the cable and a large clamping surface avoiding any slipping of the fastener.
  • the open fastener sliding on the immobilized cable it is advantageous to provide a slight withdrawal of the upper jaw relative to the face d 'support of the horn, so as to disengage the cable from the upper jaw when loosening the jaws and ensure the support of the load by the bearing faces of the horns.
  • This last bearing face is advantageously constituted by the bottom of a rounded groove with a cross section greater than that of the cable which guides the fastener when it slides along the cable for a rescue operation.
  • the horns and the upper jaw (s) are advantageously constituted by an elongated monobloc piece, to which the lower jaws are fixed by tightening bolts of the cable trapped between the jaws.
  • the input or output horns or pads consist of one or more rota rollers successive steps supported on the cable.
  • the load support trolley rolls on the rollers on the immobilized cable with minimal friction.
  • horns or pads it is obviously possible to reduce friction by a self-lubricating coating.
  • the invention is described below in its preferred application to a cable car with two carrying cables-tractors, but it applies to single-cable or multi-cable installations.
  • a reciprocating cable car comprises two carrier-towing cables 10, 12 extending between the two stations, not shown, without an intermediate pylon, the two cables 10, 12 being driven in synchronism as described for example 93,680 in European patent No.
  • the vehicle or the cabin, not shown, is fixed by a hanger 14 to a carriage 16 having two elongated fasteners 18, 20, respectively associated with one 10 and the other cable 12.
  • the two fasteners 18, 20 are identical and only one 18 is described below.
  • the fastener 18 comprises four fixed clamps 22, 24, 26, 28 spaced along the cable 10 and carried by a beam 30 of the carriage 16.
  • the clamps 22-28 are of the standard type with movable jaw 34 and fixed jaw 32 which enclose the side faces of the cable 10 in the clamping position.
  • the clamps can be opened by the usual means of periodic shifting and be held in the open position by any suitable means.
  • the clamps 22-28 couple the carriage 16 to the cable 10 and transmit the support and traction forces.
  • the spar 30 further carries two pads 36, 38, which frame the row of pliers 22-28 and are arranged above the cable 10 by offering the latter a longitudinal passage groove 40, formed in the underside of each pad 36, 38.
  • This lower face is preferably curved upwards with a radius of curvature preventing excessive bending of the cable coming to bear on this lower face, for example during an excessive load or a significant vertical oscillation.
  • the carriage 16 is normally coupled to the two cables 10, 12 and is driven by these cables to move between the two stations back and forth. In the stations the cables are stopped the carriage 16 remaining coupled to the cables.
  • the pads 36, 38 constitute a safety against excessive bending, but do not participate or hardly participate in the support and in the traction of the carriage.
  • the invention is applicable to a single-cable installation, the carriage 16 having only one attachment 18, associated with the carrier-tractor cable 10.
  • the clamps 22-28 can be of a different type and the towing cable can be installed permanently, especially in closed loop to be quickly available in case of failure.
  • the fastener 18 comprises an elongated upper part 122 bearing on the upper face of the cable 10 and the central part of which forms upper jaws 126 cooperating with lower jaws 124.
  • the upper 126 and lower jaws 124 have V-grooves 127, 128 with a truncated bottom in which the cable 10 is trapped.
  • the tightening of the jaws 124, 126 is carried out by bolts 129, only one of which is possibly represented with the interposition of elastic washers 130.
  • the elongated piece 122 is extended on either side of the upper jaws 126 by a horn 132, 134 curved upwards which has a groove 136 of rounded section slightly greater than the section of the cable 10.
  • the bottom 138 of the groove 136 constitutes a support face of the cable 10, the curvature of which is less than the bending tolerated by the cable. This avoids excessive bending of the cable 10 regardless of the length of the fastener 18, 20 or the amplitude of the vertical oscillations of the cable.
  • the bottom 138 of the groove 136 is slightly projecting from the bottom 140 of the groove 127 of the upper jaws 126 so that in the loose position of the jaws 124, 126, shown in FIG. 12, the cable 10 is supported on the bottoms 138 of the grooves 136 of the horns 132, 134 slightly peeling off the bottoms 140 of the jaws 124, 126.
  • the fastener 18 can be slid over the cable 10, the friction of the grooves 136 in contact with the cable 10 being relatively low . This friction can also be reduced by a suitable coating or the use of a self-lubricating material.
  • the carriage 16 is coupled to the cables 10, 12 by clamping the jaws 124, 126 on the cables.
  • the horns 132, 134 prevent excessive bending of the cable and the long length of the jaws distributes the load over a large section of the cable. This large length also ensures a large clamping surface and an effective connection between the two cables 10, 12, which move in synchronism.
  • FIGS. 13 to 15 which illustrate another variant, it can be seen that the horns 132, 134 have each been replaced by one or more successive rollers 42, 44 having a groove 46 bearing on the cables 10, 12.
  • the rollers 42, 44 remain stationary and the groove 46 performs the role of bearing of the cable avoiding excessive bending in the manner described above for the groove 136 of the horns 132, 134.
  • the spacing between the rollers or between the rollers and the ends of the upper jaws must of course be sufficiently small to provide appropriate support for the cable, the radius of the rollers 42, 44 being chosen accordingly.
  • the jaws 124, 126 are loosened and the rollers 42, 44 take up the entire load as described above. The resistance to advancement of the carriage 16 on the cables 10, 12 is reduced, the rollers 42, 44 simply rolling on the cables.
  • the invention is of course applicable to a single cable installation, the cabin being suspended from a single attachment of the aforementioned type. It is clear that it would not go beyond the scope of the invention to use a single piece constituting the lower jaws or vice versa by subdividing the upper jaw into several elements, each associated with a lower jaw, the whole being carried by a spar of the carriage.

Landscapes

  • Engineering & Computer Science (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Emergency Lowering Means (AREA)
  • Handcart (AREA)
  • Electric Cable Installation (AREA)
  • Current-Collector Devices For Electrically Propelled Vehicles (AREA)
EP87420283A 1986-10-23 1987-10-21 Greiferwagen für Doppelkabelbahn Expired - Lifetime EP0265355B1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT87420283T ATE62633T1 (de) 1986-10-23 1987-10-21 Greiferwagen fuer doppelkabelbahn.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR8614935 1986-10-23
FR8614935A FR2605576B1 (fr) 1986-10-23 1986-10-23 Chariot a attache fixe d'accouplement a un cable aerien

Publications (2)

Publication Number Publication Date
EP0265355A1 true EP0265355A1 (de) 1988-04-27
EP0265355B1 EP0265355B1 (de) 1991-04-17

Family

ID=9340244

Family Applications (1)

Application Number Title Priority Date Filing Date
EP87420283A Expired - Lifetime EP0265355B1 (de) 1986-10-23 1987-10-21 Greiferwagen für Doppelkabelbahn

Country Status (3)

Country Link
EP (1) EP0265355B1 (de)
AT (1) ATE62633T1 (de)
FR (1) FR2605576B1 (de)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2695898A1 (fr) * 1992-09-18 1994-03-25 Reel Sa Système pour la solidarisation réversible de véhicules aux câbles d'une installation de transport aérien à double câbles.
FR2777333A1 (fr) * 1998-04-09 1999-10-15 Frederic Labaeye Dispositif de saisie pour mise en tension d'un objet de forme cylindrique
CN112172950A (zh) * 2020-10-16 2021-01-05 长沙理工大学 一种履带式爬绳机器人
CN112208661A (zh) * 2020-10-16 2021-01-12 长沙理工大学 一种自适应运输设备

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102700553A (zh) * 2012-06-07 2012-10-03 力博重工科技股份有限公司 断绳抓捕装置

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2656340A1 (de) * 1976-12-13 1978-06-15 Pohlig Heckel Bleichert Laufwerk fuer grosskabinen-pendelseilbahnen
FR2567469A1 (fr) * 1984-07-11 1986-01-17 Montaz Mautino Ets Moyens de suspension de vehicules pour installation de transport par deux cables aeriens porteurs-tracteurs a brins paralleles
EP0192504A1 (de) * 1985-01-17 1986-08-27 Denis Creissels Seilbahn mit zwei tragfähigen Förderseilen

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2656340A1 (de) * 1976-12-13 1978-06-15 Pohlig Heckel Bleichert Laufwerk fuer grosskabinen-pendelseilbahnen
FR2567469A1 (fr) * 1984-07-11 1986-01-17 Montaz Mautino Ets Moyens de suspension de vehicules pour installation de transport par deux cables aeriens porteurs-tracteurs a brins paralleles
EP0192504A1 (de) * 1985-01-17 1986-08-27 Denis Creissels Seilbahn mit zwei tragfähigen Förderseilen

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2695898A1 (fr) * 1992-09-18 1994-03-25 Reel Sa Système pour la solidarisation réversible de véhicules aux câbles d'une installation de transport aérien à double câbles.
FR2777333A1 (fr) * 1998-04-09 1999-10-15 Frederic Labaeye Dispositif de saisie pour mise en tension d'un objet de forme cylindrique
CN112172950A (zh) * 2020-10-16 2021-01-05 长沙理工大学 一种履带式爬绳机器人
CN112208661A (zh) * 2020-10-16 2021-01-12 长沙理工大学 一种自适应运输设备
CN112208661B (zh) * 2020-10-16 2021-08-31 长沙理工大学 一种自适应运输设备

Also Published As

Publication number Publication date
FR2605576B1 (fr) 1989-06-23
FR2605576A1 (fr) 1988-04-29
EP0265355B1 (de) 1991-04-17
ATE62633T1 (de) 1991-05-15

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