EP2028075B1 - Rescue trolley for recovering and transporting transportation units of a cable transportation system - Google Patents

Rescue trolley for recovering and transporting transportation units of a cable transportation system Download PDF

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Publication number
EP2028075B1
EP2028075B1 EP08162870A EP08162870A EP2028075B1 EP 2028075 B1 EP2028075 B1 EP 2028075B1 EP 08162870 A EP08162870 A EP 08162870A EP 08162870 A EP08162870 A EP 08162870A EP 2028075 B1 EP2028075 B1 EP 2028075B1
Authority
EP
European Patent Office
Prior art keywords
rescue
cable
connecting assembly
trolley
rescue trolley
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.)
Active
Application number
EP08162870A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP2028075A1 (en
Inventor
Artur Webhofer
Hartmut Wieser
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.)
Rolic Invest SARL
Original Assignee
Rolic Invest SARL
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 Rolic Invest SARL filed Critical Rolic Invest SARL
Publication of EP2028075A1 publication Critical patent/EP2028075A1/en
Application granted granted Critical
Publication of EP2028075B1 publication Critical patent/EP2028075B1/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • B61B12/005—Rescue devices for passengers

Definitions

  • the present invention relates to a rescue trolley for recovering and transporting transportation units of a cable transportation system.
  • the present invention relates to a rescue trolley for recovering and transporting transportation units of a cable transportation system comprising at least one supporting cable and a rescue pull cable; the rescue trolley comprising a frame guided along a given path by the supporting cable, an anchoring device for engaging a transportation unit, and a connecting device for connecting the frame to the rescue pull cable.
  • Such a trolley is known from EP 0 265 354 A1 .
  • Known rescue trolleys of the type described above have the drawback of being unable to move the rescue unit in both pull directions of the rescue pull cable, mainly on account of known rescue trolleys being equipped with a substantially one-way connecting device.
  • a rescue trolley for recovering and transporting transportation units of a cable transportation system comprising at least one supporting cable and a rescue pull cable; the rescue trolley comprising a frame guided along a given path by the supporting cable, an anchoring device for engaging a transportation unit, and a connecting device for connecting the frame to the rescue pull cable; the rescue trolley being characterized in that the connecting device comprises a first connecting assembly fixed to the rescue pull cable; a second connecting assembly hinged to the frame and connected to the first connecting assembly; and a third connecting assembly secured to the frame and connected to the first connecting assembly; said rescue pull cable drawing the rescue trolley selectively by means of the first and second connecting assembly or the first and third connecting assembly, depending on the moving direction of the rescue pull cable and the slope of the supporting cable.
  • the present invention also relates to a cable transportation system.
  • a cable transportation system comprising a bottom station; a top station; at least one supporting cable extending between the bottom station and the top station; a pull cable extending between the bottom station and the top station; at least one transportation unit supported by the supporting cable and drawn by the pull cable; a rescue pull cable; and at least one rescue trolley in accordance with the present invention.
  • Number 1 in Figure 1 indicates as a whole a cable transportation system comprising a bottom station 2; a stop station 3; two intermediate idler trains 4 supported by respective pylons 5; two supporting cables 6 (only one shown in Figure 1 ); a pull cable 7; a rescue pull cable 8; and a transportation unit 9 comprising a trolley 10, which is supported by supporting cables 6 and drawn, in use, by pull cable 7, to which trolley 10 is connected by a clamp 11.
  • Cable transportation system 1 comprises a rescue trolley 12 which, in the event of a breakdown of cable transportation system 1, provides for recovering and transporting transportation unit 9 to bottom station 2 or top station 3.
  • Figure 1 shows only one rescue trolley 12, it being understood, however, that the system may comprise a number of rescue trolleys 12 parked respectively in the vicinity of bottom station 2 and top station 2, and even at any intermediate locations.
  • rescue trolley 12 rests on supporting cables 6, is connected to rescue pull cable 8, and comprises a frame 13 guided by supporting cables 6; an anchoring device 14 for engaging a transportation unit 9 (not shown in Figure 2 ); a connecting device 15 for connecting frame 13 to rescue pull cable 8; and a rescue personnel platform 16 fitted to frame 13 to rotate about an axis A1 and so remain horizontal regardless of the tilt of frame 13.
  • frame 13 supports in rotary manner four assemblies 17 (only two shown in Figure 2 ), each of which comprises two rollers 18 connected by a rocker arm and engaging one of supporting cables 6.
  • Anchoring device 14 comprises a tow hook 19 integral with frame 13; and a tow hook 20 hinged to frame 13 about an axis A2 by an arm 21, and hinged to arm 21 about an axis A3.
  • frame 13 of rescue trolley 12 is connectable to trolley 10 of transportation unit 9 along two opposite sides.
  • Connecting device 15 comprises a first connecting assembly 22 fixed to rescue pulley cable 8; a second connecting assembly 23 hinged to frame 13 and engaging first connecting assembly 22 in sliding manner; and a third connecting assembly 24 secured to frame 13 and engaging first connecting assembly 22 in sliding manner.
  • rescue pull cable 8 draws rescue trolley 12 selectively by means of first and second connecting assemblies 22, 23 or first and third connecting assemblies 22, 24, depending on the pull direction of rescue pull cable 8 and the slope of supporting cables 6.
  • first connecting assembly 22 comprises two clamps 25 spaced apart and fixed to rescue pull cable 8; and a longitudinal member 26 supported isostatically between clamps 25 by two arms 27 and 28, and which extends parallel to the portion of rescue pull cable 8 extending between clamps 25.
  • longitudinal member 26 is hollow and forms a rail fixed inside with a stop which also acts as a damper, and which in the example shown is defined by a fluid cylinder 29, in particular a hydraulic cylinder with a rod 30 maintained in the extended position by a spring not shown in the drawings.
  • second connecting assembly 23 is substantially defined by a rudder comprising an arm 31 connected to frame 13 by an articulated joint 32 defined by a universal joint - in the example shown, a Cardan joint; and a sliding member 33 engaged inside and sliding along longitudinal member 26. Arm 31 and sliding member 33 are connected by an articulated joint 34.
  • Third connecting assembly 24 comprises a flexible elongated member 35 - in the example shown, a cable; two pulleys 36, 37; and a sliding member 38 fitted to the free end of rod 30 and in sliding manner to longitudinal member 26.
  • Cylinder 29, as stated, is housed inside longitudinal member 26, and divides longitudinal member 26 into two parts. And both sliding members 33, 38 are located on the same side of cylinder 29: in the example shown, sliding member 38 is located between cylinder 29 and sliding member 33.
  • Pulley 36 is fitted in rotary manner to the end of longitudinal member 26 on the opposite side to sliding members 33, 38, and pulley 37 is fitted in rotary manner to sliding member 38.
  • Cable 35 is fixed at one end to frame 13 of rescue trolley 12, and at the other end to longitudinal member 26, close to pulley 36, and is wound about pulleys 36 and 37.
  • Cable 35 forms a U about pulley 37, and has two branches substantially parallel to each other and to longitudinal member 26.
  • rescue trolley 12 When needed, i.e. in the event of a breakdown of cable transportation system 1 preventing transportation units 9 from being moved, rescue trolley 12 is drawn by rescue pull cable 8 up to the transportation unit 9 closest to bottom station 2 (or top station 3); and the rescue trolley 12 operators on platform 16 connect tow hooks 19 and 20 to trolley 10 of transportation unit 9, and release clamp 11 from pull cable 7.
  • transportation unit 9 can be towed by rescue trolley 12 to bottom station 2 or top station 3.
  • Figure 3 shows the operating mode by which to tow the transportation unit to top station 3, which means rescue trolley 12 must negotiate a positive slope, i.e. travel uphill in direction D.
  • first and second connecting assemblies 22, 23 are used to transmit the pulling force between rescue pull cable 8 and frame 13. More specifically, sliding member 33 slides towards and into contact with sliding member 38. The pulling force gradually shortens rod 30 by means of sliding member 33, so that, when starting, any shock produced by sharp movements is damped by cylinder 29. The pulling force is transmitted from rescue pull cable 8 to frame 13 by arm 31 and articulated joints 32, 34.
  • cable 35 is slack and plays no part in transmitting the pulling force.
  • Figure 4 shows the operating mode by which to tow the transportation unit along a flat portion of supporting cables 6, and which applies regardless of the travelling direction (to bottom station 2 or top station 3).
  • Figure 5 shows the operating mode by which to tow the transportation unit to bottom station 2 along an oppositely-sloping portion, i.e. with a positive (uphill) slope, even though towing to bottom station 2 is performed in the opposite direction to direction D.
  • Rescue trolley 12 is thus able to tow transportation unit 9 in opposite directions and along oppositely-inclined slopes.
  • Supporting cables 6 in the Figure 1 transportation system in particular, comprise alternating oppositely-inclined portions, which is fairly common, particularly at idler trains 4 ( Figure 1 ).
  • Rescue trolley 12 is able to negotiate oppositely-inclined portions while at the same time damping, by means of cylinder 29, any shock produced by changes in slope.
  • Figure 6 shows rescue trolley 12 in a number of operating modes characterized by different distances between supporting cables 6 and rescue pull cable 8.
  • rescue trolley 12 is able to cope with up to a 2200 mm distance between supporting cables 6 and rescue pull cable 8.

Landscapes

  • Engineering & Computer Science (AREA)
  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Emergency Lowering Means (AREA)
  • Near-Field Transmission Systems (AREA)
  • Removal Of Insulation Or Armoring From Wires Or Cables (AREA)
  • Insulated Conductors (AREA)
  • Ropes Or Cables (AREA)
EP08162870A 2007-08-24 2008-08-25 Rescue trolley for recovering and transporting transportation units of a cable transportation system Active EP2028075B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT001690A ITMI20071690A1 (it) 2007-08-24 2007-08-24 Carrello di soccorso per il recupero ed il trasferimento di unita' di trasporto di un impianto di trasporto a fune

Publications (2)

Publication Number Publication Date
EP2028075A1 EP2028075A1 (en) 2009-02-25
EP2028075B1 true EP2028075B1 (en) 2011-02-16

Family

ID=39937480

Family Applications (1)

Application Number Title Priority Date Filing Date
EP08162870A Active EP2028075B1 (en) 2007-08-24 2008-08-25 Rescue trolley for recovering and transporting transportation units of a cable transportation system

Country Status (4)

Country Link
EP (1) EP2028075B1 (it)
AT (1) ATE498526T1 (it)
DE (1) DE602008004955D1 (it)
IT (1) ITMI20071690A1 (it)

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE889166C (de) * 1951-12-18 1953-09-07 Georg Dr-Ing Wallmannsberger Hilfswagen fuer Umlaufseilbahnen fuer Personentransport
FR2605575B1 (fr) * 1986-10-23 1990-06-08 Creissels Denis Sa Chariot de sauvetage notamment pour une telecabine ou un telesiege
CH689115A5 (fr) * 1992-02-25 1998-10-15 Garaventa & Staedeli Ag Installation de transport aérien par câbles.

Also Published As

Publication number Publication date
DE602008004955D1 (de) 2011-03-31
ITMI20071690A1 (it) 2009-02-25
EP2028075A1 (en) 2009-02-25
ATE498526T1 (de) 2011-03-15

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