EP3650300A1 - Struktur zum kurvenfahren und seilbahnanlage, die diese struktur umfasst - Google Patents

Struktur zum kurvenfahren und seilbahnanlage, die diese struktur umfasst Download PDF

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Publication number
EP3650300A1
EP3650300A1 EP18205797.6A EP18205797A EP3650300A1 EP 3650300 A1 EP3650300 A1 EP 3650300A1 EP 18205797 A EP18205797 A EP 18205797A EP 3650300 A1 EP3650300 A1 EP 3650300A1
Authority
EP
European Patent Office
Prior art keywords
cable
section
structure according
radioid
guide
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
EP18205797.6A
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English (en)
French (fr)
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EP3650300B1 (de
Inventor
Simon Gavoty
Stéphane Coudurier
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Poma SA
Eiffage Metal SAS
Original Assignee
Poma SA
Eiffage Metal SAS
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 Poma SA, Eiffage Metal SAS filed Critical Poma SA
Priority to ES18205797T priority Critical patent/ES2909597T3/es
Priority to EP18205797.6A priority patent/EP3650300B1/de
Priority to CA3118661A priority patent/CA3118661A1/fr
Priority to PCT/EP2019/080607 priority patent/WO2020099247A1/fr
Priority to US17/292,486 priority patent/US20220105964A1/en
Publication of EP3650300A1 publication Critical patent/EP3650300A1/de
Application granted granted Critical
Publication of EP3650300B1 publication Critical patent/EP3650300B1/de
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
    • B61B7/00—Rope railway systems with suspended flexible tracks
    • B61B7/02—Rope railway systems with suspended flexible tracks with separate haulage cables
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B61—RAILWAYS
    • B61B—RAILWAY SYSTEMS; EQUIPMENT THEREFOR NOT OTHERWISE PROVIDED FOR
    • B61B12/00—Component parts, details or accessories not provided for in groups B61B7/00 - B61B11/00
    • B61B12/02—Suspension of the load; Guiding means, e.g. wheels; Attaching traction cables
    • B61B12/026—Guiding means for deflecting the direction of the cables between the stations

Definitions

  • the invention relates to an overhead structure of the type comprising an inlet and an outlet which are connected respectively to an upstream section and a downstream section of an overhead cable transport line which each extend in a generally straight line, at least in projection in a horizontal plane, these upstream and downstream sections being interconnected by an intermediate section curved in this horizontal plane, the structure further comprising at least one lateral guide which acts on at least a first portion of the intermediate section.
  • Structures of this type are used in particular to connect mutually an upstream line section and a downstream line section which each extend according to a rectilinear template, in projection in a horizontal plane, when these respective templates form an angle one relative to each other in this horizontal plane, or horizontal angle.
  • such structures are used to guide an intermediate portion of the line according to a turn template.
  • a high-speed boarding station for an overhead traveling cable transport installation with disengageable seats which includes a transfer path for guiding and transporting the uncoupled seats of the tractor carrying cable, the transfer path being subdivided into a supply section, a start section parallel to the supply section, and an intermediate section curved at 180 °, connecting the supply section to the start section.
  • the intermediate section comprises a first contour and a second contour of different curvatures, the second contour associated with the starting section being constituted by a portion of clothoid having a radius of curvature greater than that of the first contour associated with the supply section.
  • the transfer path is located between two transport routes of the installation, which are parallel to each other.
  • the intake section is connected to one of these routes while the start section is connected to the other.
  • the seats travel the transfer path at reduced speed, typically at a speed close to 0.5 meters per second, allowing skiers to embark on the march.
  • This boarding is provided in the vicinity of the connection with a straight line of the departure section. This results in an improvement in the behavior of the seat before boarding, and boarding flexibility with a high capacity.
  • the invention aims to improve this situation.
  • An aerial structure is proposed for a cable car installation of the type comprising at least one towing cable.
  • the structure comprises an inlet and an outlet intended to be connected respectively to an upstream section and a generally straight downstream section of a transport track of the cable car installation.
  • the structure comprises a curved intermediate section, at least in projection in a horizontal plane, connected to the inlet and the outlet.
  • the structure further comprises at least one active vehicle guide, at least laterally, on at least a first portion of the curved intermediate section. This first portion generally extends along a portion of radioid, or of pseudo-radioid, at least in projection in the horizontal plane, or a mean plane which contains said inlet and said outlet.
  • the structure also includes at least one cable guide tractor, active between input and output, capable of deflecting this cable, at least laterally, between this input and this output.
  • the arrangement of one or more radio-shaped portions, in particular of clothoid, along the turn makes it possible to optimize the line layout. Under the assumption of a constant passing speed of the vehicles, it is possible to trace an optimal turn with regard to its size, while ensuring compliance with limit values relating to lateral acceleration or jerk for example. Above all, it is possible to place sacred as accurately as possible with respect to these values, which makes it possible, in comparison with conventional installations, either to reduce the size of the cornering structure for the same speed of passage of the vehicles, or to increase this speed for the same size.
  • a cable air transport installation is also proposed comprising at least one structure as proposed above.
  • the designs contain elements of a certain character. They can therefore not only serve to describe the invention but also contribute to its definition, if necessary.
  • An installation for transporting vehicles by cables here of the cable car type, comprises a transport line with a first traffic lane, or outward lane, along which extend at least one carrying cable 3A and a first strand of a tractor cable, or strand go 5A.
  • the installation comprises an aerial structure 7 which participates in maintaining at least a portion of the carrying cable 3A and of the go strand 5A in the air, according to a line gauge.
  • This aerial structure is here supported by a plurality of masts 8.
  • the installation here further comprises an additional carrying cable, or second carrying cable 9A, which extends along the forward path and is also held in the air , at least in part, by structure 7.
  • the transport line of the cable car installation also includes a second traffic lane, or return lane, similar to the outbound lane.
  • a second traffic lane or return lane
  • the transport line of the cable car installation also includes a second traffic lane, or return lane, similar to the outbound lane.
  • this return path extend cables homologous to the cables of the outward path, namely a first carrying cable 3B, a second strand of the tractor cable, or return strand 5B, and a second carrying cable 9B.
  • the first carrying cable 3B, the return strand 5B and the second carrying cable 9B of the return channel are kept in the air, according to the line gauge, at least in part by the structure 7.
  • the structure 7 also provides a directional deviation, at least lateral, of the cables of the outward path between an upstream portion and a downstream portion which extend in a generally rectilinear manner, at least in the vicinity of the structure 7, in projection in a horizontal plane at least.
  • the line gauge thus comprises a bend portion which connects two portions of this jig which extend in a generally rectilinear manner, at least in projection in a horizontal plane.
  • the structure 7 guides the cables of the track going into the bend portion of the line gauge.
  • the structure 7 also provides a directional deflection of the cables of the return path between an upstream portion which generally extends parallel to the downstream portion of the outward path and a downstream portion which generally extends so parallel to the upstream portion of the outbound track.
  • the structure 7 further guides the cables of the return track in a bend portion of the line gauge, this bend portion being homologous to the turn portion of the outward track.
  • the structure 7 deflects the cables of the outward and return path in a generally horizontal plane.
  • the structure 7 achieves a horizontal deviation of the line, without vertical deviation.
  • the carrying cable 3A comprises an upstream portion 3A-1 which extends along a first portion of the line template and a downstream portion 3A-2 which extends along a second portion of the line template.
  • the first portion of the line template and the second portion thereof extend generally rectilinearly, at least in the vicinity of the structure 7 and in projection on a horizontal plane.
  • the first portion of the line gauge and the second portion thereof extend in a substantially horizontal plane and are mutually inclined therein, at an angle Alpha 11.
  • the downstream portion 3A-2 of the first cable carrier 3A is inclined at an angle Alpha 11 relative to the upstream portion 3A-1 of this cable.
  • the Alpha 11 angle is approximately 30 degrees.
  • the outward strand 5A of the tractor cable extends generally parallel to the first carrying cable 3A and to the second carrying cable 9A.
  • the go strand 5A comprises an upstream portion 5A-1 and a downstream portion 5A-2 which is horizontally inclined by the angle Alpha 11 relative to its upstream portion 5A-1
  • the second carrying cable 9A comprises an upstream portion 9A-1 and a downstream portion 9A-2 which is horizontally inclined of the angle Alpha 11 relative to its upstream portion 9A-1.
  • the structure 7 ensures the deflection of an upstream portion of the return path towards a downstream portion of this path, in particular an upstream portion 5B-1 of the return strand 5B towards a downstream portion 5B-2, an upstream portion 3B-1 to a downstream portion 3B-2 of the third carrying cable 3B and an upstream portion 9B-1 to a downstream portion 9B-2 of the fourth carrying cable 9B.
  • a turn structure for example structure 7 of Figures 1 and 2 , comprises a vehicle guide inserted between an upstream portion of a traffic lane, for example the outward lane, generally rectilinear and a downstream portion thereof generally rectilinear and inclined horizontally relative to the upstream portion, for example of the angle Alpha 11 represented on the Figures 1 and 2 .
  • the vehicle guide comprises a curved rail 100 which extends along the turning portion of the line gauge.
  • each vehicle 200 which travels on the outward track engages on the curved rail 100, at a first end thereof.
  • the vehicle 200 disengages from the curved rail 100, at a second end thereof, opposite the first.
  • the curved rail 100 guides the vehicle laterally.
  • the turning structure further comprises a raceway for the vehicle 200, which connects the upstream portion of the taxiway to the downstream portion.
  • the raceway comprises a first curved beam, or external beam 300, which connects an upstream portion of a carrying cable, for example the upstream portion 3A-1 of the first carrying cable 3A of the Figures 1 and 2 , at its downstream portion, for example the downstream portion 3A-2.
  • the raceway here further comprises a second curved beam, or internal beam 400, homologous to the external beam 300 for an additional carrying cable of the traffic lane, for example the second carrying cable 9A of the outgoing lane on the Figures 1 and 2 .
  • the vehicle 200 disengages from the carrying cable (s), for example the first carrying cable 3A and the second carrying cable 9A for the outward track, to roll on the raceway , here on an upper face of the outer beam 300 and an upper face of the inner beam 400.
  • the vehicle 200 is guided laterally, along a curved path, via the rail curve 100.
  • the raceway, and in particular the outer beam 300 and the inner beam 400, does not contribute, at least in this exemplary embodiment, to the lateral guidance of the vehicle 200 in the turn.
  • the external beam 300 and the internal beam 400 also maintain their respective carrying cables in the line gauge, not only on the upstream and downstream portions thereof, but also on the curved intermediate portion.
  • the outer beam 300 and the inner beam 400 contribute to keeping their respective cables in the air.
  • These beams 300 and 400 furthermore guide their respective cables laterally, according to the trajectory of the turn.
  • the turning structure also includes a deflection mechanism for the towing cable, for example the 5A forward strand of the Figures 1 and 2 between an upstream portion 5A-1, and a downstream portion 5A-2, mutually inclined in a horizontal plane.
  • This deflection mechanism comprises a set of guide elements 500 distributed along the trajectory of the turn and which act on an intermediate portion 5A-3 of the forward strand 5A of the towing cable. These elements 500 contribute to maintaining and guiding the go strand 5A in its line gauge, at least on its intermediate portion 5A-3.
  • the deflection mechanism acts in a horizontal plane only.
  • a support 600 typically comprising one or more rollers mounted for rotation, which helps to keep the towing cable in the air, here supporting it, on a holding structure of the type of structure 7 of Figures 1 and 2 .
  • the inner beam 400, the outer beam 300, the curved rail 100 and the intermediate portion 5A-3 of the forward strand 5A of the tractor cable extend generally parallel to each other in the bend.
  • a portion of the forward strand 5A of the towing cable adjacent to the generally straight downstream portion 5A-2 of this strand, or exit portion 5A-32, is guided according to a profile which follows a portion of clothoid.
  • the output portion 5A-32 begins at the C5 mark on the figure 5 .
  • the outlet portion 5A-32 is symmetrical with the inlet portion 5A-31.
  • a junction portion 5A-33 of the outward strand 5A of the towing cable (from mark B5 to mark C5) is guided according to a profile which follows an arc of circle.
  • the radius R0 of this circle corresponds to the radius of the clothoid profile at an adjacent end of the inlet portion 5A-31.
  • This radius R0 also corresponds to the radius of the clothoid profile at an adjacent end of the outlet portion 5A-32.
  • Each portion which follows a clothoid profile ensures a continuous transition between an infinite radius of curvature, corresponding to a straight upstream or downstream portion, and the radius of curvature R0 of the junction portion 5A-33.
  • the guiding of the outward strand 5A of the tractor cable is for example carried out by elements of the type of guide elements 500 of the figures 3 and 4 , distributed over the profile in question.
  • the vehicle 200 is engaged on the outward strand 5A of the tractor cable by means of a fastener 202 which is located substantially in line with the center of inertia of the vehicle 200.
  • This center of inertia thus follows a homologous trajectory to the profile of the towing cable 5, in particular on the bend.
  • the curved rail 100 provides lateral guidance of the vehicle 200.
  • the curved rail 100 is offset orthogonally with respect to the profile of the outward strand 5A of the tractor cable.
  • the curved rail 100 guides the vehicle 200 in the turn along a trajectory such as the center of inertia of the vehicle 200 follows the profile of the outward strand 5A of the tractor cable on its curved portion 5A-3.
  • the curved rail 100 comprises a first section, or entry section 102, homologous with the entry portion 5A-31 of the towing cable 5.
  • the entry section 102 is generally shaped along a portion of pseudo-clothoid, that is to say along a curve resulting from an orthogonal shift of a portion of clothoid.
  • the clothoid portion in question corresponds to the clothoid profile of the input portion 5A-31 of the forward strand 5A of the tractor cable.
  • This orthogonal offset corresponds substantially to the orthogonal offset between the outward strand 5A of the tractor cable and the curved rail 100.
  • the curved rail 100 comprises a second section, or outlet section 104, homologous with the outlet portion 5A-32 of the outward strand 5A of the towing cable.
  • the outlet section 104 is generally shaped according to a pseudo-clothoid portion, resulting from the orthogonal offset of the outlet section 5A-32 of the forward strand 5A of the tractor cable.
  • the inlet section 102 and the outlet section 104 are mutually symmetrical.
  • the curved rail 100 comprises an intermediate section 106, one end of which is connected to the inlet section 102 and one end opposite to the outlet section 104.
  • the intermediate section 106 is counterpart of the junction portion 5A-33 of the go strand 5A of the tractor cable.
  • the intermediate section 106 is shaped according to an arc of a circle which results from the orthogonal offset of the junction section 5A-33 of the outward strand 5A of the tractor cable.
  • the curved rail 100 is extended on the side of its inlet section 102 (upstream of the mark A5) and on the side of its outlet section 104 (downstream of the mark D5) in a first straight section 108 and a second section right 110 respectively.
  • the rail has a profile look. It can be produced in part at least by bending of variable radius or by forging, so as to bend the profile according to the portions described. It can also be carried out by assembling joined profiled elements so as to follow the portions in question as closely as possible. If applicable, at least some of these elements can be bent. The bending radius can be determined so as to best follow these portions. At least some of these elements can themselves be reconstituted welded sections.
  • the external beam 300 and the internal beam 400 each comprise an entry section 302 or 402 (from the reference A300 to the reference B300 for one, from the reference A400 to the reference B400 for the other), homologous to the entry section 5A -31 of the 5A go strand of the tractor cable.
  • Each inlet section 302, 402 generally extends along a portion of pseudo-clothoid, that is to say along a curve resulting from an orthogonal shift of a portion of clothoid.
  • the portion of the clothoid in question corresponds to the clothoid of the input section 5A-31 of the forward strand 5A of the tractor cable.
  • This orthogonal offset corresponds substantially to the orthogonal offset between the outgoing strand 5A of the tractor cable and the first carrying cable 3A of the forward track on the one hand, and, on the other hand, the outgoing strand 5A of the tractor cable and the second carrying cable 9A of the forward lane, upstream and downstream of the turn.
  • the outer beam 300 and the inner beam 400 each comprise an outlet section 304 or 404 (from the C300 mark to the D300 mark for one, from the C400 mark to the D400 mark for the other), homologous to the section of output 5A-32 of the 5A go strand of the tractor cable.
  • Each outlet section 304, 404 generally extends along a pseudo-clothoid portion resulting from the orthogonal offset of the outlet section 5A-32 of the forward strand 5A of the tractor cable.
  • the external beam 300 and the internal beam 400 each further comprise an intermediate section 306 or 406 (from the reference B300 to the reference C300 for one, from the reference B400 to the reference C400 for the other) which is connected, to a end, to the inlet section 302 or 402 of the beam, and, at an opposite end, to its outlet section 304 or 404.
  • Each intermediate section 306 or 406 extends in an arc of circle which results from the orthogonal offset of the 5A-33 junction section of the 5A go strand of the tractor cable.
  • the outer beam 300 and the inner beam 400 each extend on the side of their inlet section 302 or 402 (upstream of the mark A300 for one, and of the mark A400 for the other) and on the side of their outlet section 304 or 404 (downstream of the D300 mark for one and the reference D400 for the other) in a first straight section 308 or 408 and a second straight section 310 or 410 respectively.
  • the outer beam 300 and the inner beam 400 can be manufactured like the curved rail 100, in particular by bending, forging or assembling bent elements.
  • the first straight section 308 of the outer beam 300 and the first straight section 408 of the inner beam 400 each have an upper face on which two longitudinal segments are distinguished.
  • first segment 412 On a first segment 412, close to the upstream portion of the transport track, the upper face of the inner beam 400 is arranged in a cable support, here the upstream portion 9A-1 of the second carrying cable 9A of the outbound track.
  • the first segment 412 is arranged in the manner of a portion of what is called a carrier shoe in the art.
  • the upper face of the first segment 412 is shaped like a half-arch, which rises in the direction of the downstream portion of the track.
  • the internal beam 400 is arranged so as to gradually deflect downward the second carrying cable 9A on the upper face of this second segment 414.
  • This upper face of the second segment is also arranged as a running surface for the vehicle 200.
  • the first straight section 408 of the inner beam 400 is produced here from an elongated beam element 416.
  • the portion of this element which corresponds to the second segment 414 has an upper face shaped as an inclined plane which decreases from the upper face corresponding to the first segment 412.
  • the beam element 416 On the portions corresponding to the first segment 412 and to the second segment 414, the beam element 416 carries, on the upper face, a cable lining 418 which receives the second carrying cable 9A.
  • This second supporting cable 9A substantially follows the upper face of the beam element 416.
  • this beam element 416 is connected to one end of the rest of the inner beam 400 by providing a passage for the second carrying cable 9A. To do this, the end of the rest of the inner beam 400 is here beveled.
  • the second supporting cable 9A follows the beam element 416, which brings it to the underside of the inner beam 400.
  • guide elements 419 in the form of cable trim segments, hold the intermediate portion 9A- 3 of the second carrying cable 9A in the bend portion of its line gauge.
  • the upper face of the inner beam 400 comprises a rolling plate 420, which here partially covers at least the upper face of one or more profiled elements assembled to form at least in part the inner beam 400.
  • this flat 420 stops near the top of the first segment 412.
  • the upper face of the flat 420 extends along a very slightly inclined plane and rising as one moves towards the downstream end of the second segment 414.
  • the upper face of the tread reaches its apex, that is to say its constant altimetry along the turn. From this vertex to the end of the rest of the interior beam, the dish 420 extends to the same height.
  • the plate 420 is produced in several sections, namely a first section 420-1 which corresponds substantially to the first beam element 416, a second section 420-2 which corresponds substantially to a second element of counterpart beam of the first beam element 416 for the second straight section 410 and a third section 420-3 which extends over the greater part of the inner beam 400 and connects to the first section 420-1 of the plate 420 and to the second section 420-2 of it.
  • two transition angles 421, arranged symmetrically on either side of the cable lining 418, have at their respective apex a substantially horizontal narrow rolling surface.
  • the external beam 300 is arranged in a manner homologous to the internal beam 400.
  • the elements of the external beam bear the reference of their counterpart to the internal beam 400 minus a hundred.
  • the vehicle 200 When it engages on the turning structure 7, the vehicle 200 first drives on the upstream portions 3A-1 and 9A-2 of the first carrying cable 3A and of the second carrying cable 9A of the forward path through main rollers (not visible in these figures). These upstream portions are supported by the first straight sections 308 and 408 of the outer beam 300 and the inner beam 400, respectively, until near the upstream end of the second segments 314 and 414, the rim of these main rollers are flush with the running surfaces of the transition angles 321 and 421. As the vehicle 200 moves along the second segments 314 and 414, the main rollers disengage from the first carrying cable 3A and from the second carrying cable 9A of the track go, because these are gradually deflected down.
  • the vehicle 200 then rolls on the transition angles 321 and 421, until, near the downstream end of the second segments 314 and 414, auxiliary rollers of the vehicle 200 (not visible in these figures) are flush with the plane slightly inclined of the first sections 320-1 and 420-1 of the rolling plates 320 and 420. From there, and throughout the intermediate sections 306 and 406 of the external beam 300 and the internal beam 400, the vehicle 200 rolls on the rolling plates 320 and 420 by means of these auxiliary rollers.
  • the second segment 314 of the first rectilinear segment 308 of the external beam 300, and its counterpart 414 of the internal beam 400 form a transition zone between a rolling of the vehicle 200 on the carrying cables and a rolling on the path formed by the remainder of the external beam 300 and the internal beam 400.
  • the curved rail 100 Unlike rolling on the supporting cables, where the groove of the main rollers guides the vehicle 200 along these cables, rolling on the path of the external beam 300 and the beam interior 400 is free laterally.
  • the lateral guidance of the vehicle 200 is provided by the curved rail 100. It is important that the vehicle 200 engages the curved rail 100 substantially when it disengages from the carrying cables. This is why the curved rail 100 begins in the vicinity of where the carrying cables are deflected downwards on the first rectilinear sections 308 and 408.
  • the second rectilinear sections 310 and 410 of the external beam 300 and the internal beam 400 are arranged in a homologous and symmetrical manner with the first rectilinear sections 308 and 408 of these beams.
  • the vehicle 200 again engages the carrying cables.
  • the carriage 205 comprises a pair of auxiliary rollers 204 each rolling here on a rolling surface 320 or 420 respectively of the external beam 300 and the internal beam 400.
  • the carriage 205 further comprises a pair of main rollers 206 each engaged in the one of the first carrying cable 3A and the second carrying cable 9A of the outward path.
  • the carriage 205 also comprises the clamp 202 engaged with the outward strand 9A of the tractor cable.
  • the carriage 205 comprises a guide roller 208 mounted for rotation.
  • This guide roller 208 engages in a longitudinal gutter 120 of the curved rail 100.
  • This gutter 120 extends according to the general shape of the curved rail 100, here in two sections in portions of pseudo-clothoid mutually connected by a section in arc. It is the engagement of the guide roller 208 in the gutter 120 which allows the lateral guidance of the vehicle 200 in the turn.
  • Each guide element 500 of the tractor cable here its forward strand 5A, carries a respective rotary roller 502 into which the tractor cable engages.
  • the guide elements 500 are mounted on a holding structure, not shown, in a manner distributed over the turn. These elements 500 are positioned on the holding structure so that their respective point of contact 504 with the outward strand 5A of the carrying cable is disposed along a determined profile. This profile corresponds to that described for the 5A forward strand of the tractor cable in relation to the figure 7 especially.
  • first subset 500-1 of elements 500 distributed so as to guide the strand 5A of the towing cable on the input portion 5A-31 a second subset 500-2 of elements 500 distributed so as to guide the go strand 5A on the output portion 5A-32 and a third subset 500-3 of elements 500 distributed so as to guide the go strand 5A horizontally on the junction portion 5A-33.
  • the vertical guidance is provided, at least in part, by an upstream roller 602 and a downstream roller 604.
  • the outward strand 5A of the towing cable is guided in the bend according to a profile which generally follows a portion of clothoid at the inlet and a portion of clothoid at the outlet, these portions being mutually connected by a portion in an arc.
  • the go strand 5A of the cable follows a straight profile.
  • the strand 5A of the towing cable generally follows the trajectory of the center of inertia of the vehicle, in segments the ends of which are arranged along this trajectory.
  • rollers 502 of the guide elements 500 retract one after the other to allow the passage of the carriage 205 of the vehicle 200. In the same way, these rollers 502 return to the position one after the other after the carriage 205 has passed.
  • each roller 502 is ensured by a respective mechanism, internal to the corresponding guide element 500.
  • this mechanism acts to retract the rollers 502 in an essentially rotary movement.
  • this mechanism retracts the rollers 502 according to a translational movement.
  • Such a mechanism is for example described in FR 3 050 425 , cited for illustrative purposes only and not limiting.
  • a first curve 180 represents the trajectory of the center of inertia of a vehicle, for example the vehicle 200 described in relation to the preceding figures, along the turn.
  • the x axis corresponds to the general direction of the lane upstream of the turn, at least near the turn.
  • the y axis is perpendicular to the x axis in a horizontal plane.
  • first curve 180 there is a first portion 181, from the mark A to the mark B, in the form of a portion of clothoid corresponding to the trajectory of the vehicle on a corner entry section, and a second portion 182, of the mark C at reference D, symmetrical to the first portion 181.
  • This second portion corresponds to the trajectory of the vehicle on a section for exiting a turn.
  • a third portion 183 in an arc, corresponds to the trajectory of the vehicle on a section of junction of the turn, between the entry and exit sections.
  • the mark E corresponds to the chord point of the turn.
  • a second curve 185 has been shown in dashed line which represents a virtual trajectory in an arc of a circle for a similar turn (same place of entry, same place of exit).
  • a third curve 190 y represents the evolution of the angle of deflection Agl, expressed in degrees, of the center of gravity of the vehicle as a function of time t, expressed in seconds.
  • the vehicle is moving here at constant speed.
  • This speed can be the nominal speed of the towing cable or a reduced speed.
  • its value is of the order of a few meters per second, typically between 2 meters per second and 8 meters per second.
  • This third curve 190 comprises a first portion 191, from the mark A to the mark B, and a second portion 192, from the mark C to the mark D, which correspond respectively to the corner entry section and to the corner exit section.
  • the deflection angle Agl evolves symmetrically on the first portion 191 and the second portion 192. On the third portion 193, the deflection angle Agl evolves linearly. Such an evolution is characteristic of a circular arc trajectory described at constant speed.
  • the deflection angle reaches the value Alpha, which corresponds to the mutual inclination of the lanes upstream and downstream of the turn.
  • a fourth curve 200 y represents the evolution of the radius of curvature R, expressed in meters, of the curved path of the center of gravity of the vehicle, as a function of the distance d traveled since entering the turn, expressed in meters.
  • This fourth curve 200 comprises a first portion 201, up to the mark B, and a second portion 202, from the mark C, which correspond respectively to the corner entry section and to the corner exit section.
  • the first portion 201 and the second portion 202 show a property of a clothoid trajectory, which is to allow a continuous transition between an infinite radius of curvature and a finite value of radius, here a value R0.
  • the third portion 203 shows a constancy of the radius of curvature on the junction section, characteristic of a trajectory in an arc of a circle.
  • the radius of curvature is equal to the value R0, which corresponds to the radius of curvature at the end of the clothoid portion (first portion 201) and at the start of the clothoid portion (second portion 202).
  • a fifth curve 210 there represents the evolution, from the entry of the turn (reference A), of the lateral acceleration Acc of the vehicle, expressed in g (9.8 meters per second at square), at the center of gravity of the vehicle as a function of time t, expressed in seconds.
  • the vehicle is moving at constant speed.
  • This fifth curve 210 comprises a first portion 211, from the mark A to the mark B, and a second portion 212, from the mark C to the mark D, which correspond respectively to the corner entry section and to the corner exit section.
  • the first portion 211 and the second portion 212 show that on the clothoid portions, the vehicle undergoes an acceleration which increases, respectively decreases.
  • the third portion 213 shows a constancy of acceleration Acc when the vehicle traverses the portion in an arc.
  • the lateral acceleration of the vehicle remains below a maximum value of acceleration Amax along the turn.
  • This Amax value results for example from normative requirements.
  • a sixth curve 220 there represents the temporal evolution of the jerk Jrk, that is to say of the temporal derivative of the lateral acceleration Acc, expressed in g per second (9.8 meters per second per cube), in the center gravity of the vehicle, from the entry of the turn (mark A) to the exit of it (mark D).
  • the vehicle is moving at constant speed.
  • This sixth curve 220 comprises a first portion 221, from the mark A to the mark B, and a second portion 222, from the mark C to the mark D, which correspond respectively to the corner entry section and to the corner exit section.
  • the first portion 221 and the second portion 222 show that on the clothoid portions, the vehicle undergoes a constant jerk.
  • the third portion 223 shows that the jerk is zero when the vehicle traverses the portion in an arc.
  • This consistency of the jerk on the clothoid portions is particularly useful for dimensioning a turn structure. It allows compliance with relative standards at jerk or lateral acceleration limit values, while being as close as possible to these values. This makes it possible to design a turning trajectory which is traversed quickly, while respecting the standards in force. We can also see this as a means of optimizing the distance to travel to pass from a straight section to another straight section, inclined horizontally relative to the first, for a given angle of inclination and a given speed of passage of vehicles. .
  • the section of trajectory in an arc which connects the sections in portions of clothoid, is optional. This portion is nevertheless of interest with regard to the comfort of the passengers of the vehicle. It can advantageously be designed so that the constant value of lateral acceleration, reached on the intermediate portion 213 of the curve 210, corresponds to a limit value of acceleration admissible by the passengers, for example the value Amax.
  • FIGS. 15 to 17 further show that an intermediate trajectory in an arc is useful for the implementation of the guide and rolling elements in the structure. Without this portion in an arc, the turn would be shorter but there would be a lack of space for the retraction of the rollers 502 of the guide elements 500 for example, the latter generally having to respect a limit value of elementary deflection angle of the tractor cable on each roller 502.
  • the above description concerns the case of a lane deviation occurring in a generally horizontal plane, in particular when the portion of lane upstream of the turn and the portion of lane downstream of the turn are substantially at the same altitude.
  • the guidance of the vehicle then preferably occurs in a plane, in particular a horizontal plane.
  • the invention then provides that the vehicle is guided along a trajectory, flat or not, which, in projection in a plane, for example a horizontal plane or a mean plane, follows a portion of clothoid, at least in part.
  • Curve 240 represents the turn corresponding to curve 230 seen in elevation in a first vertical plane 242.
  • portion 244 represents a vertical deflection section, or downstream end section, located in this first vertical plane 242.
  • This first vertical plane 242 corresponds to the plane of the downstream range of cables.
  • Curve 250 represents the turn corresponding to curve 230 seen in elevation in a second vertical plane 252.
  • Curve 250 represents a section of upstream vertical deflection, or section of upstream end, located in this second vertical plane 252
  • This second vertical plane 252 corresponds to the plane of the upstream range of cables.
  • Curve 260 represents the bend in projection in a plane perpendicular to the z axis, therefore a horizontal plane.
  • a portion 262 which represents a lateral deflection section, or central section. This section is located outside the projection plane. This section can be non-planar, or located in any plane.
  • the reference I marks a point at the interface between the downstream end section and the central section.
  • the reference II marks a point at the interface between the central section and the upstream end section.
  • the first horizontal line 270 and the second horizontal line 272 do not intersect.
  • the length of the vertical segment 280 represents the minimum geometric distance between the first horizontal line 270 and the second horizontal line 272. This distance represents the difference in level between the point of reference I and the point of reference II. It is the elevation of the central section, in a way the elevation of the turn.
  • the point of reference I and the point of reference II can be connected to each other by a first oblique straight line 290 in the first vertical plane 242 and a second oblique straight line 292 in the second vertical plane 252 so that a first angle 294 between the first oblique line 290 and the first horizontal line 270 is equal to a second angle 296 between the second oblique line 292 and the second horizontal line 272.
  • the first oblique line 290 and the second oblique line 292 intersect each other at a point (reference III) of the vertical segment 280.
  • the mean plane 300 is defined as the plane passing through the points of the marks I, II and II.
  • An aerial structure has been described which is connected respectively to an upstream section and to a downstream section of an overhead cable transport line and comprising at least one active lateral guide on at least a portion of the line, between the inlet and the outlet, this portion generally extending along a portion of clothoid or pseudo-clothoid, at least in projection in a mean plane.
  • the towing cable which is guided according to a profile in the form of a portion of clothoid.
  • the supporting cables are guided according to any profile, since between the entry and the exit of the turn the vehicles roll on a raceway composed of the external and internal beams. What is important is that, along the turn, the center of gravity of the vehicle traverses judiciously designed clothoid-shaped portions, which make it possible to go from an infinite radius of curvature to a determined radius of curvature while respecting jerk and / or lateral acceleration limit values.
  • the clamp which links the vehicle to the towing cable is located substantially in line with the center of inertia of this vehicle, this amounts to guiding this cable according to portions of clothoid.
  • this cable should however be guided along a portion of pseudo-clothoid, which is deduced from a theoretical curve of an orthogonal offset corresponding to the lateral offset between the clamp and the center of gravity.
  • a guide has been described which acts on the carriage of the vehicle.
  • the guidance in question can also act vis-à-vis the vehicle in the extension of the upstream portions of the carrier cable (s), for example by providing lateral guidance on the raceway.
  • masts An aerial turning structure carried by masts has been described. Alternatively, it could be integrated into a station, or even suspended, without necessarily using masts.
  • each vehicle leaves the grip of the tractor cable at the corner entry, or upstream of this entrance, and returns to the grip of this cable at the corner exit, or downstream of this exit.
  • the clamp or attachment of the vehicle is uncoupled from the tractor cable and then re-coupled to this tractor cable.
  • the vehicle can be guided laterally in a similar manner to what has been described above, in particular using a curved rail and / or external and internal beams.
  • the towing cable can be deflected, at least laterally, independently of the path of the vehicle, according to any profile.
  • a clothoid is characterized by a curvature which evolves linearly with the curvilinear abscissa, in particular between a straight line and a given value of curvature. It is also characterized by a radius of curvature which evolves linearly with the reverse of this curvilinear abscissa.
  • the portions in question can, more generally, be conformed to portions of any curve of the radioid family, or portion of radioid in short, or of pseudo-radoid.
  • the curvature that is to say the inverse of the radius of curvature, varies continuously with the curvilinear abscissa, in particular between a straight line and a given curvature.
  • An aerial structure has been described for a cableway installation of the twin-cable type comprising at least one active vehicle guidance, at least laterally, on at least a first portion of a curved intermediate section, this first portion generally extending along a portion.
  • radioid, or pseudoradioid at least in projection in the horizontal plane, or a mean plane which contains this input and this output, in combination with at least one guide of the towing cable, active between the input and the output , capable of deflecting this cable, at least laterally, on the first portion of the curved intermediate section, and of a guide of the supporting cable (s), also active between the input and the output, and capable of deflecting this cable, at less laterally on the first curved intermediate portion.
  • Aerial structures of this type have the drawback of requiring the use of bulky and costly anchor beds, as well as foundations dimensioned accordingly. On the contrary, the forces that the cables apply to the structure remain localized at the top of the structure, avoiding the use of such anchors.
  • another aspect of the invention relates to an overhead structure for a cable car installation of the type comprising a towing cable and at least one carrying cable, the structure comprising an inlet and an outlet which are connected respectively to an upstream section and a section generally straight downstream of a transport track of the cable car installation, the structure supporting a curved intermediate section, at least in projection in a horizontal plane of the transport track, between the entry and the exit, and further comprising at at least one active vehicle guide, at least laterally, on at least part of the curved intermediate section, at least one guide of the tractor cable, active between the input and the output, capable of deflecting this cable, at least laterally, on the part of the curved intermediate section and at least one guide of the carrying cable, active between the input and the output, capable of deflecting this cable, at least sideways Slowly, on this part of the curved intermediate section.

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  • Engineering & Computer Science (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Platform Screen Doors And Railroad Systems (AREA)
EP18205797.6A 2018-11-12 2018-11-12 Seilbahnanlage die eine struktur zum kurvenfahrt umfasst Active EP3650300B1 (de)

Priority Applications (5)

Application Number Priority Date Filing Date Title
ES18205797T ES2909597T3 (es) 2018-11-12 2018-11-12 Instalación de teleférico que comprende una estructura de curva
EP18205797.6A EP3650300B1 (de) 2018-11-12 2018-11-12 Seilbahnanlage die eine struktur zum kurvenfahrt umfasst
CA3118661A CA3118661A1 (fr) 2018-11-12 2019-11-07 Structure de virage et installation telepherique comprenant cette structure
PCT/EP2019/080607 WO2020099247A1 (fr) 2018-11-12 2019-11-07 Structure de virage et installation telepherique comprenant cette structure
US17/292,486 US20220105964A1 (en) 2018-11-12 2019-11-07 Cornering structure and cableway installation comprising this structure

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP18205797.6A EP3650300B1 (de) 2018-11-12 2018-11-12 Seilbahnanlage die eine struktur zum kurvenfahrt umfasst

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EP3650300A1 true EP3650300A1 (de) 2020-05-13
EP3650300B1 EP3650300B1 (de) 2022-01-05

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US (1) US20220105964A1 (de)
EP (1) EP3650300B1 (de)
CA (1) CA3118661A1 (de)
ES (1) ES2909597T3 (de)
WO (1) WO2020099247A1 (de)

Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0281205A2 (de) * 1987-03-06 1988-09-07 LEITNER S.p.A. Umlaufseilbahnanlage mit Ablenkung des Zug-Tragseilverlaufes
JPH06171501A (ja) * 1992-11-25 1994-06-21 Kajima Corp 循環式索道装置
JPH09240466A (ja) * 1996-03-06 1997-09-16 Nippon Cable Co Ltd 自動循環式索道の屈曲運行方法
DE19704825A1 (de) 1996-05-25 1997-11-27 Lord Ingrid Verfahren zum Betrieb einer gleichzeitig in zwei Richtungen betriebenen Seilbahn mit abgewinkelter Trassenführung sowie Seilbahn hierfür
JP3021197B2 (ja) * 1992-08-03 2000-03-15 三菱重工業株式会社 ロープ駆動式交通システム
FR2882321A1 (fr) 2005-02-22 2006-08-25 Pomagalski Sa Station d'embarquement a haut debit pour un teleporteur de transport par un cable aerien
EP2072367A1 (de) * 2007-12-17 2009-06-24 Innova Patent GmbH Seilbahnanlage mit einem Trag- bzw. Förderseil
EP2853460A1 (de) * 2013-09-26 2015-04-01 Innova Patent GmbH Seilbahnanlage zur Beförderung von Personen bzw. Gütern
FR3050425A1 (fr) 2016-04-22 2017-10-27 Poma Installation de transport par cable
FR3052131A1 (fr) * 2016-06-07 2017-12-08 Poma Installation de transport aerien

Patent Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0281205A2 (de) * 1987-03-06 1988-09-07 LEITNER S.p.A. Umlaufseilbahnanlage mit Ablenkung des Zug-Tragseilverlaufes
JP3021197B2 (ja) * 1992-08-03 2000-03-15 三菱重工業株式会社 ロープ駆動式交通システム
JPH06171501A (ja) * 1992-11-25 1994-06-21 Kajima Corp 循環式索道装置
JPH09240466A (ja) * 1996-03-06 1997-09-16 Nippon Cable Co Ltd 自動循環式索道の屈曲運行方法
DE19704825A1 (de) 1996-05-25 1997-11-27 Lord Ingrid Verfahren zum Betrieb einer gleichzeitig in zwei Richtungen betriebenen Seilbahn mit abgewinkelter Trassenführung sowie Seilbahn hierfür
FR2882321A1 (fr) 2005-02-22 2006-08-25 Pomagalski Sa Station d'embarquement a haut debit pour un teleporteur de transport par un cable aerien
EP2072367A1 (de) * 2007-12-17 2009-06-24 Innova Patent GmbH Seilbahnanlage mit einem Trag- bzw. Förderseil
EP2853460A1 (de) * 2013-09-26 2015-04-01 Innova Patent GmbH Seilbahnanlage zur Beförderung von Personen bzw. Gütern
FR3050425A1 (fr) 2016-04-22 2017-10-27 Poma Installation de transport par cable
FR3052131A1 (fr) * 2016-06-07 2017-12-08 Poma Installation de transport aerien

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
ULYSSE LAMALLE: "Cours d'exploitation des Chemins de Fer - Pose de la voie en courbe", 1 January 1949 (1949-01-01), XP055586849, Retrieved from the Internet <URL:http://www.tassignon.be/trains/cecf/tomeIII_II/C_E_C_F_III_II.htm#p027> [retrieved on 20190508] *

Also Published As

Publication number Publication date
EP3650300B1 (de) 2022-01-05
ES2909597T3 (es) 2022-05-09
WO2020099247A1 (fr) 2020-05-22
CA3118661A1 (fr) 2020-05-22
US20220105964A1 (en) 2022-04-07

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