EP2780209A1 - Mechanical lift vehicle - Google Patents

Mechanical lift vehicle

Info

Publication number
EP2780209A1
EP2780209A1 EP12794414.8A EP12794414A EP2780209A1 EP 2780209 A1 EP2780209 A1 EP 2780209A1 EP 12794414 A EP12794414 A EP 12794414A EP 2780209 A1 EP2780209 A1 EP 2780209A1
Authority
EP
European Patent Office
Prior art keywords
locking
ramp
vehicle according
latch
lift
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
EP12794414.8A
Other languages
German (de)
French (fr)
Other versions
EP2780209B1 (en
Inventor
Yves Chedal Bornu
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.)
SOMMITAL
Original Assignee
SOMMITAL
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 SOMMITAL filed Critical SOMMITAL
Publication of EP2780209A1 publication Critical patent/EP2780209A1/en
Application granted granted Critical
Publication of EP2780209B1 publication Critical patent/EP2780209B1/en
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

Links

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
    • B61B12/002—Cabins; Ski-lift seats
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B61—RAILWAYS
    • B61B—RAILWAY SYSTEMS; EQUIPMENT THEREFOR NOT OTHERWISE PROVIDED FOR
    • B61B11/00—Ski lift, sleigh lift or like trackless systems with guided towing cables only

Definitions

  • the present invention relates to a mechanical lift vehicle comprising guardrail locking means, and a mechanical lift installation equipped with this vehicle.
  • a ski lift facility allows passengers, skiers or pedestrians, to go up or down slopes.
  • a ski lift facility usually has two end stations, a station at the bottom of the slope and a station at the top of the slope. These end stations are connected by a carrying aerial cable and tractor can form a closed loop. It is known to drive the cable through pulleys and support it with pylons. Vehicles suspended from the cable allow the transportation of passengers from one end station to another.
  • a chairlift lift facility allows passengers to ascend or descend a slope in a seated position, with seats suspended from a continuous motion cable.
  • each end station may include a boarding area and a landing area for passengers.
  • the ski lift installation thus offers the possibility of simultaneously transporting passengers up the slope and passengers descending.
  • the railings are conventionally pivotally mounted relative to the seat to allow the loading and unloading of passengers.
  • This lowered position of the guardrail is normally adopted during a phase of travel of the seat out of the loading and landing.
  • the railing is in a raised position, it releases the space at the front of the seat so as to allow the passengers to settle in the seat or leave it.
  • the guardrail is normally in the raised position when the seat is in a loading or unloading area.
  • guardrail locking means of mechanical type, impose an often complex structure. As a result, these locking means do not always offer the possibility of being mounted on pre-existing seats. In addition, they sometimes require significant maintenance and can significantly increase the seat they equip, which often leads to early wear of seats and lift facilities they equip.
  • the present invention aims to overcome all or part of these disadvantages by providing a mechanical lift seat with guardrail locking means of simple structure, lightweight and easily adaptable to the existing seats, and a lift facility equipped with this seat.
  • the subject of the present invention is a mechanical lift vehicle comprising a railing intended to occupy a lowered position delimiting an enclosed space making it possible to prevent the fall of a passenger and a raised position in which the guardrail releases the space at the front of the vehicle to enable the loading and unloading of one or more passengers and the means of locking the guardrail in the lowered position
  • the locking means comprises a latching latch comprising a first end provided with a bearing surface and a locking surface, the bearing surface and the locking surface defining a first housing for receiving a railing element, and a second end, in which is intended to engage a locking member arranged to immobilize the second end of the latch when the guardrail is in the lowered position.
  • the mechanical lift seat according to the invention offers the possibility of mechanically locking the guardrail in its lowered position.
  • the locking is carried out by inserting the guardrail element into the housing located at the first end of the locking lever and immobilizing the second end of the locking lever (and therefore of the assembly of this locking lever) by the locking member when the railing is in the lowered position.
  • the guardrail element remains trapped in the housing and the guardrail is in fact locked in its lowered position.
  • the second end comprises a second housing intended to cooperate with the locking member.
  • This second housing makes it possible to engage the locking member for the immobilization of the latching lever.
  • the second end of the latch can further comprise a concave wall located above the second housing.
  • the concave wall is intended to bear against the locking member to facilitate engagement of the locking member and the second end of the latch.
  • the locking member is movable relative to the vehicle and comprises a first torsion spring comprising a free end intended to engage the second housing.
  • a stop is arranged on the path of the free end.
  • the stop is used to stop the stroke of the free end.
  • the stop allows to position this free end for its engagement in the second housing.
  • it makes it possible to arm the first torsion spring for the immobilization of the locking lever.
  • the locking means comprise means for controlling the locking member.
  • the control means make it possible to actuate the locking member to immobilize or, on the contrary, enable the locking lever to be moved.
  • the control means may be automatic, that is to say actuated without direct intervention of the user, or manual, that is to say by direct intervention of the user.
  • control means comprise a lever attached to the locking member, a movable control member connected to a hanger of the vehicle, and a mechanical control cable connected to the lever and the movable control member.
  • the displacement of the movable control member causes the movement of the mechanical control cable which transmits the movement to the lever.
  • the movement of the lever causes that of the locking member.
  • the movable control member comprises a control rocker comprising a first end on which is fixed the mechanical control cable and a second end on which is attached a support member.
  • the support member may be a roller pivotally mounted on the second end.
  • the hanger may comprise an abutment arranged on the path of the second end.
  • the first end of the latch latch forms a hook.
  • the second end of the latch can also form a hook for locking the latch latch by the locking member.
  • the blocking surface may include a flange.
  • the latching lever comprises return means intended to hold it in a receiving position of the railing element in which the first housing is arranged to receive the latch. guardrail element.
  • the latch is located under the vehicle.
  • the railing element may be a lug integral with a step of the guardrail.
  • a lift installation comprising a mechanical lift vehicle having the above characteristics.
  • the ski lift installation may comprise at least a first ramp and at least a second ramp attached to a fixed structure of the lift installation and intended to actuate the control means of the locking member.
  • Each first ramp and each second ramp may be arranged on the path of the second end of the control rocker and shaped to cause the rotation of the control rocker.
  • each first ramp and each second ramp comprises at least one oblique part intended to actuate the control means.
  • Each oblique portion is arranged on the path of the roller to cause the rotation of the control rocker.
  • FIG. 1 is a schematic view from above of a ski lift installation comprising lift seats according to one embodiment of the invention
  • FIG. 2 is a side view of a mechanical lift vehicle according to one embodiment of the invention.
  • FIG. 3 is a side view of a detail of FIG. 2,
  • FIG. 1 shows a plurality of ski lift vehicles, for example ski lift seats 1, fitted to a ski lift installation 2.
  • the lift installation 2 here comprises two end stations 3, 4. Each end station 3, 4 may include a passenger loading area 5 and a passenger landing area 10.
  • the seats 1 of the ski lift are suspended to a cable 1 1 overhead and tractor via a hanger 12.
  • the cable 1 1 is carried by towers, not shown in the various figures.
  • the cable 1 1 here forms a closed loop and is driven by pulleys 13, 14.
  • the mechanical lift seat 1 comprises a railing 15.
  • the railing 15 is pivotally mounted with respect to the seat 1, and can occupy an extreme lowered position delimiting an enclosed space making it possible to prevent the fall of a passenger and an extreme raised position in which the railing 15 releases the space at the front of the seat 1 to allow the disembarkation of one or more passenger (s) (shown in dotted lines on the example of Figure 2).
  • the railing 15 in solid lines is located in an intermediate position between the raised position and the lowered position.
  • the seat 1 also comprises mechanical locking means of the railing 15.
  • the mechanical locking means comprise a latching lever 20 and a locking member of the latch 20, in this case a first torsion spring 21.
  • the latching lever 20 has a first end 22 and a second end 23.
  • the first end 22 comprises a bearing surface 24 and a locking surface 25 of the railing 15, like this is visible in Figure 2.
  • the bearing surface 24 and the blocking surface 25 are arranged relative to each other so as to delimit between them a first housing 30 intended to receive a guardrail element, for example a lug 31.
  • the pin 31 is here attached to a step of the guardrail 15.
  • the locking surface 25 comprises a flange 32.
  • the latch 20 is connected to the seat 1 by a first pivot link P1. It is therefore mobile in rotation with respect to the seat 1, between a receiving position of the railing in which the surface 24 is located across the descending trajectory of the lug 31 (i.e., across the trajectory of the lug 31 when the guardrail 15 is moved from its raised position to its position lowered) and also in which the locking surface 25 is at a distance from the trajectory of the lug 31, and a locking position of the railing 15 in which the blocking surface 25 is located across the upward trajectory of the lug. pin 31 (that is to say, across the trajectory of the pin 31 when the guardrail 15 is moved from its lowered position to its raised position).
  • the latch 20 may have a stable equilibrium position corresponding to its receiving position.
  • the latch 20 may also include biasing means, for example a second torsion spring 33, for opposing the rotation of the latch 20 from its receiving position to its locking position.
  • the second torsion spring 33 comprises for this purpose an end 34 connected to the seat 1 (or intended to abut against a stop piece integral with the seat 1) and an end 35 connected to the latch 20. It allows to maintain the latch 20 in the receiving position when the lug 31 is not in abutment against the latch 20.
  • the second torsion spring 33 may be intended to bear the first end 22 of the latch 20 against the seat 1.
  • a stop 40 attached to the seat 1, may be provided.
  • This abutment 40 may be of elastomer in order to dampen the shocks of the first end 22 of the latch 20 against the seat 1.
  • the second end 23 of the latch 20 is advantageously shaped to cooperate with the first torsion spring 21 forming the locking member.
  • the second end 23 comprises a second housing 41. It may also comprise a concave wall 42 overhanging the second housing 41.
  • the first torsion spring 21 forming the locking member comprises a free end 43 and an end 44 integral with a lever 45.
  • the lever 45 is connected to the seat 1 by a second pivot link P2.
  • the first torsion spring 21, in particular its free end 43 is movable relative to the seat 1.
  • the free end 43 of the first torsion spring 21 can be moved between a locking position in which it is engaged in the second housing 41 so as to immobilize the latch 20, and an unlocking position in which the end free 43 is disengaged from the second housing 41 and thus allows the rotation of the latch 20 around the first pivot link P1.
  • a stop 50 integral with the seat 1, may be provided in the path of the free end 43 to arm the first torsion spring 21 and lock its free end 43 in the locking position.
  • the mechanical locking means comprise means for controlling the locking member, that is to say the first torsion spring 21.
  • the control means are intended to move the free end 43 of the first torsion spring 21 in the locked or unlocked position of the latch 20, hence of the railing 15.
  • the control means here comprise the lever 45, a traction member, for example a cable 51, and a movable control member connected to the hanger 12 of the seat 1.
  • the movable control member is formed by a control lever 52 connected to the hanger 12 by a third pivot link P3.
  • the control rocker 52 has a first end 53 on which the cable 51 is fixed, and a second end 54 comprising a support member, for example a roller 55 pivotally mounted on this second end 54.
  • the cable 51 may be a mechanical control cable. It is also connected to the lever 45.
  • the control rocker 52 can be moved between a traction position allowing, by means of the cable 51 and the lever 45, to place the free end 43 of the first torsion spring 21 in the locked position, and a rest position. in which the free end 43 of the first torsion spring 21 is in the unlocking position.
  • the hanger 12 may comprise an abutment 60 intended to stop the stroke of the control lever 52 when it reaches the traction position, as can be seen in FIG. 2.
  • the second end 54 of the control rocker 52, and more precisely the roller 55, is intended to bear successively against a first ramp 61 and a second ramp 62, visible in Figure 4.
  • the first ramp 61 and the second ramp 62 are attached to the fixed structure of the lift installation 2.
  • the first ramp 61 is shaped to cause the displacement of the control lever 52 from its rest position to its traction position. In other words, the first ramp 61 is shaped to cause displacement of the free end 43 of the first torsion spring 21 in the locking position of the latch 20.
  • the second ramp 62 is shaped to cause the displacement of the rocker connected to the hanger 12 from its traction position to its rest position.
  • the second ramp 62 is shaped to cause the displacement of the free end 43 of the first torsion spring 21 in its unlocking position of the latch 20.
  • the first ramp 61 and the second ramp 62 may thus comprise an oblique portion 63 constraining the roller 55 and thereby causing the control lever 52 to pivot from a rest position to a traction position or vice versa as and when that the roller 55, driven by the displacement of the seat 1, progresses against this oblique portion 63, fixed.
  • the first ramp 61 and the second ramp 62 are placed on the path of the second end 54 of the control rocker 52, and more precisely on the path of the roller 55.
  • the first ramp 61 is arranged so that the roller 55 bears and rolls under this first ramp 61;
  • the second ramp 62 is arranged so that the roller 55 bears and rolls on this second ramp 62.
  • the roller 55 is intended to roll alternately against the first ramp 61 and against the second ramp 62.
  • the roller 55 moving with the seat 1, first meets for example the first ramp 61, then, later during its movement with the seat 1, the second ramp 62. It then meets again the (or another) first ramp 61 before bearing against the (or another) second ramp 62, and so on.
  • the second ramp 62 can be arranged at the exit of each loading zone 5 and the first ramp 61 can be arranged at the entrance of each landing zone 10.
  • the latch 20 and the lever 45 with the first torsion spring 21 are arranged under the seat 1.
  • the lift installation 2 comprising at least one seat 1 according to the embodiment described above.
  • the lift installation 2 may also comprise at least a first ramp 61 and at least a second ramp 62 as previously described and intended to cooperate with the seat 1.
  • the seat 1 of the ski lift is for example located in the boarding area 5 of one of the end stations 3, 4.
  • the guardrail 15 is raised to allow the boarding of one or several passengers on the seat 1.
  • the latch 20 is in the receiving position of the railing 15.
  • the first housing 30 can receive the guardrail 15 when it is lowered.
  • the free end 43 of the first torsion spring 21 is in the unlocking position; the first torsion spring 21 is therefore not armed to immobilize the latching lever 20.
  • the control lever 52 connected to the hanger 12, is in the rest position. In other words, the first end 53 of the control lever 52 exerts no traction on the cable 51 likely to lift the lever 45.
  • the actuation of the pulleys 13, 14 causes the movement of the cable 1 1 of the lift installation 2, to which the seat 1 is suspended. Seat 1 starts moving.
  • the seat 1 moves from the embarkation zone 5 of the end station 3, 4 in which it is located towards the landing zone 10 of the other end station 3, 4.
  • the roller 55 When it reaches the exit of the boarding area 5, the roller 55 bears under the first ramp 61. When the roller 55 reaches the oblique portion 63 of the first ramp 61, it is forced to lower, which causes the rotation of the control rocker 52 around the third pivot link P3. The control rocker 52 thus pivots as and as the roller 55 rolls under the first ramp 61, to occupy its traction position. At this point, the roller 55 has finished rolling under the oblique portion 63 of the first ramp 61.
  • the pivoting control lever 52 has necessarily led to the displacement of its first end 53, to which the cable 51 is connected. Thus, the pivoting control lever 52 has led to the traction of the cable 51.
  • the lever 45 moving, causes the displacement of the first torsion spring 21, therefore of the free end 43.
  • the displacement of the lever 45 is such that it allows the introduction of the free end 43 in the position of locking.
  • the free end 43 bears against the stop 50.
  • the first torsion spring 21 is thus armed. Its free end 43 is in the locking position.
  • the rotation of the latch 20 causes the displacement of its second end 23, whose concave wall 42 meets the free end 43.
  • the free end 43 bearing against the concave wall 42, flexes and slides on this concave wall 42, towards the second home
  • the rotation of the latch 20 has caused the displacement of its first end 22 so that the blocking surface 25 is positioned across the trajectory of the lug 31, after allowing it to pass. Therefore, the pin 31 is now a prisoner of the first 30.
  • the passenger or passengers can no longer lift the guardrail 15, because the latch 20 can not pivot due to the engagement of the free end 43 in the second housing 41, and the blocking surface 25 blocks the pin 31.
  • the roller 55 bears against the second ramp 62.
  • the roller 55 rolling on the oblique portion 63 of the second ramp 62, causes the opposite rotation of the control rocker 52
  • the control lever 52 pivots from the traction position in which it had remained from the exit of the first ramp 61 to its rest position.
  • the control rocker 52 is in the rest position.
  • the lever 45 pivots relative to the second pivot link P2 and lowers. In lowering, the lever 45 drives the first torsion spring 21. The free end 43 of the first torsion spring 21 disengages from the second housing 41 in which it was housed until now.
  • the lifting of the guardrail 15 by the passenger or passengers in order to disembark the seat 1 causes the lug 31 to bear against the locking surface 25.
  • the latch 20 is no longer immobilized by the engagement of the free end 43 in the second housing 41, the movement of the railing 15 from its lowered position to its raised position causes the rotation of the latch 20.
  • the locking surface 25 is lifted by the ergot 31 and deviates from the trajectory of the latter; the guardrail 15 can reach its raised position.
  • the seat 1 When the cable 1 1 to which the seat 1 is suspended forms a loop, the seat 1 continues to move in the end station 3, 4, from the landing zone 10 to the boarding zone 5 of this station end 3, 4.
  • the railing 15 can again be locked in the lowered position as described above, and so on.
  • the second torsion spring could be replaced for example by a tension spring or compression.

Landscapes

  • Engineering & Computer Science (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Refuge Islands, Traffic Blockers, Or Guard Fence (AREA)
  • Seats For Vehicles (AREA)
  • Maintenance And Inspection Apparatuses For Elevators (AREA)
  • Lock And Its Accessories (AREA)
  • Escalators And Moving Walkways (AREA)
  • Fittings On The Vehicle Exterior For Carrying Loads, And Devices For Holding Or Mounting Articles (AREA)
  • Emergency Lowering Means (AREA)

Abstract

This vehicle comprises a guard rail (15) intended to occupy a lowered position delimiting a closed space that prevents a passenger from falling and a raised position in which the guard rail (15) opens up the space at the front of the vehicle to allow one or more passengers to board and disembark, and means for locking the guard rail (15) in the lowered position, characterized in that the locking means comprise a locking lever (20) comprising a first end (22) provided with a bearing surface (24) and with a blocking surface (25), the bearing surface (24) and the blocking surface (25) delimiting a first housing (30) intended to accommodate part of the guard rail, and a second end (23) in which a locking member designed to immobilize the second end (23) of the locking lever (20) is intended to engage when the guard rail (15) is in the lowered position. Figure 3.

Description

Véhicule de remontée mécanique  Lift vehicle
La présente invention concerne un véhicule de remontée mécanique comprenant des moyens de verrouillage de garde-corps, et une installation de remontée mécanique équipée de ce véhicule. The present invention relates to a mechanical lift vehicle comprising guardrail locking means, and a mechanical lift installation equipped with this vehicle.
Classiquement, une installation de remontée mécanique permet à des passagers, skieurs ou piétons, de remonter ou descendre des pentes. Une installation de remontée mécanique comporte généralement deux stations d'extrémité, une station placée en bas de pente et une station placée en haut de pente. Ces stations d'extrémité sont reliées par un câble aérien porteur et tracteur pouvant former une boucle fermée. Il est connu d'entraîner le câble grâce à des poulies et de le soutenir au moyen de pylônes. Des véhicules suspendus au câble permettent l'acheminement des passagers d'une station d'extrémité à une autre.  Conventionally, a ski lift facility allows passengers, skiers or pedestrians, to go up or down slopes. A ski lift facility usually has two end stations, a station at the bottom of the slope and a station at the top of the slope. These end stations are connected by a carrying aerial cable and tractor can form a closed loop. It is known to drive the cable through pulleys and support it with pylons. Vehicles suspended from the cable allow the transportation of passengers from one end station to another.
II existe plusieurs types d'installation mécanique, par exemple télésiège, téléski, télécabine ou encore téléphérique. Une installation de remontée mécanique de type télésiège permet à des passagers de remonter ou descendre une pente, en position assise, grâce à des sièges suspendus à un câble à mouvement continu.  There are several types of mechanical installation, for example chairlift, ski lift, gondola or cable car. A chairlift lift facility allows passengers to ascend or descend a slope in a seated position, with seats suspended from a continuous motion cable.
Lorsque le câble forme une boucle fermée, chaque station d'extrémité peut comporter une zone d'embarquement et une zone de débarquement des passagers. L'installation de remontée mécanique offre ainsi la possibilité de transporter simultanément des passagers remontant la pente et des passagers la descendant.  When the cable forms a closed loop, each end station may include a boarding area and a landing area for passengers. The ski lift installation thus offers the possibility of simultaneously transporting passengers up the slope and passengers descending.
L'acheminement des passagers en haut ou en bas d'une pente nécessite de respecter un haut niveau de sécurité. En particulier, les sièges circulent à une distance relativement importante du sol. Il est connu d'améliorer la sécurité des passagers par l'utilisation d'un garde-corps limitant les risques de chute accidentelle d'un passager à partir du siège.  Passing passengers up or down a slope requires a high level of safety. In particular, the seats travel at a relatively large distance from the ground. It is known to improve the safety of passengers by the use of a guard rail limiting the risk of accidental fall of a passenger from the seat.
Les garde-corps sont classiquement montés de manière pivotante par rapport au siège pour permettre l'embarquement et le débarquement des passagers. On distingue une position d'utilisation abaissée et une position d'utilisation relevée du garde-corps. Lorsque le garde-corps est en position abaissée, celui-ci constitue un obstacle au basculement d'un passager dans le vide. Cette position abaissée du garde-corps est normalement adoptée pendant une phase de trajet du siège hors des zones d'embarquement et de débarquement. Lorsque le garde-corps est dans une position relevée, celui-ci libère l'espace à l'avant du siège de manière à permettre aux passagers de s'installer sur le siège ou le quitter. Le garde-corps est donc normalement en position relevée lorsque le siège se situe dans une zone d'embarquement ou de débarquement. The railings are conventionally pivotally mounted relative to the seat to allow the loading and unloading of passengers. There is a lowered use position and a raised use position of the guardrail. When the railing is in the lowered position, it is an obstacle to the tilting of a passenger in a vacuum. This lowered position of the guardrail is normally adopted during a phase of travel of the seat out of the loading and landing. When the railing is in a raised position, it releases the space at the front of the seat so as to allow the passengers to settle in the seat or leave it. The guardrail is normally in the raised position when the seat is in a loading or unloading area.
Pour des raisons de sécurité, le garde-corps ne doit pas être relevé pendant toute la phase de trajet hors des zones d'embarquement et de débarquement. Ainsi, il est connu de munir les sièges de moyens de verrouillage de leur garde-corps dans la position abaissée.  For safety reasons, the guardrail must not be lifted during the entire journey phase out of the loading and unloading areas. Thus, it is known to provide the seats locking means of their guardrail in the lowered position.
Cependant, la plupart des moyens de verrouillage de garde-corps, de type mécanique, imposent une structure souvent complexe. De ce fait, ces moyens de verrouillage n'offrent pas toujours la possibilité d'être montés sur des sièges préexistants. De plus, ils nécessitent parfois une maintenance importante et peuvent alourdir sensiblement le siège qu'ils équipent, ce qui engendre souvent une usure précoce des sièges et des installations de remontée mécanique qu'ils équipent.  However, most guardrail locking means, of mechanical type, impose an often complex structure. As a result, these locking means do not always offer the possibility of being mounted on pre-existing seats. In addition, they sometimes require significant maintenance and can significantly increase the seat they equip, which often leads to early wear of seats and lift facilities they equip.
Aussi, une solution de verrouillage du garde-corps par coopération d'un organe magnétique avec un organe magnétisable, a été développée. Cette solution présente l'avantage d'une structure simple, légère, nécessitant peu de maintenance et adaptable aux sièges préexistants.  Also, a locking solution of the railing by cooperation of a magnetic member with a magnetizable member, has been developed. This solution has the advantage of a simple structure, lightweight, low maintenance and adaptable to pre-existing seats.
Toutefois, l'installation de remontée mécanique équipé de ces sièges avec des moyens de verrouillage magnétique de garde-corps doit être adaptée pour permettre le fonctionnement des moyens de verrouillage magnétique de garde-corps.  However, the ski lift installation equipped with these seats with magnetic guardrail locking means must be adapted to allow the operation of the magnetic guardrail locking means.
Aussi la présente invention vise à pallier tout ou partie de ces inconvénients en proposant un siège de remontée mécanique avec des moyens de verrouillage de garde-corps de structure simple, légère et aisément adaptables aux sièges préexistants, et une installation de remontée mécanique équipé de ce siège.  Also the present invention aims to overcome all or part of these disadvantages by providing a mechanical lift seat with guardrail locking means of simple structure, lightweight and easily adaptable to the existing seats, and a lift facility equipped with this seat.
A cet effet, la présente invention a pour objet un véhicule de remontée mécanique comprenant un garde-corps destiné à occuper une position abaissée délimitant un espace clos permettant de prévenir la chute d'un passager et une position relevée dans laquelle le garde-corps libère l'espace à l'avant du véhicule pour permettre l'embarquement et le débarquement d'un ou plusieurs passager(s), et des moyens de verrouillage du garde-corps en position abaissée, caractérisé en ce que les moyens de verrouillage comprennent une bascule de verrouillage comprenant une première extrémité munie d'une surface d'appui et d'une surface de blocage, la surface d'appui et la surface de blocage délimitant un premier logement destiné à recevoir un élément de garde-corps, et une deuxième extrémité, dans laquelle est destiné à s'engager un organe de verrouillage agencé pour immobiliser la deuxième extrémité de la bascule de verrouillage lorsque le garde-corps est en position abaissée. For this purpose, the subject of the present invention is a mechanical lift vehicle comprising a railing intended to occupy a lowered position delimiting an enclosed space making it possible to prevent the fall of a passenger and a raised position in which the guardrail releases the space at the front of the vehicle to enable the loading and unloading of one or more passengers and the means of locking the guardrail in the lowered position, characterized in that the locking means comprises a latching latch comprising a first end provided with a bearing surface and a locking surface, the bearing surface and the locking surface defining a first housing for receiving a railing element, and a second end, in which is intended to engage a locking member arranged to immobilize the second end of the latch when the guardrail is in the lowered position.
Ainsi, le siège de remontée mécanique selon l'invention offre la possibilité de verrouiller mécaniquement le garde-corps dans sa position abaissée. Le verrouillage est réalisée par insertion de l'élément de garde-corps dans le logement situé à la première extrémité de la bascule de verrouillage et immobilisation de la deuxième extrémité de la bascule de verrouillage (donc de l'ensemble de cette bascule de verrouillage) par l'organe de verrouillage lorsque le garde-corps est en position abaissée. Ainsi, l'élément de garde- corps reste prisonnier du logement et le garde-corps est de fait verrouillé dans sa position abaissée.  Thus, the mechanical lift seat according to the invention offers the possibility of mechanically locking the guardrail in its lowered position. The locking is carried out by inserting the guardrail element into the housing located at the first end of the locking lever and immobilizing the second end of the locking lever (and therefore of the assembly of this locking lever) by the locking member when the railing is in the lowered position. Thus, the guardrail element remains trapped in the housing and the guardrail is in fact locked in its lowered position.
Selon une caractéristique du véhicule de remontée mécanique selon l'invention, la deuxième extrémité comprend un deuxième logement destiné à coopérer avec l'organe de verrouillage.  According to a characteristic of the mechanical lift vehicle according to the invention, the second end comprises a second housing intended to cooperate with the locking member.
Ce deuxième logement permet d'engager l'organe de verrouillage pour l'immobilisation de la bascule de verrouillage.  This second housing makes it possible to engage the locking member for the immobilization of the latching lever.
La deuxième extrémité de la bascule de verrouillage peut de plus comprendre une paroi concave située au-dessus du deuxième logement.  The second end of the latch can further comprise a concave wall located above the second housing.
La paroi concave est destinée à venir en appui contre l'organe de verrouillage pour faciliter l'engagement de l'organe de verrouillage et de la deuxième extrémité de la bascule de verrouillage.  The concave wall is intended to bear against the locking member to facilitate engagement of the locking member and the second end of the latch.
Selon un mode de réalisation, l'organe de verrouillage est mobile par rapport au véhicule et comprend un premier ressort de torsion comprenant une extrémité libre destinée à engager le deuxième logement.  According to one embodiment, the locking member is movable relative to the vehicle and comprises a first torsion spring comprising a free end intended to engage the second housing.
De manière avantageuse, une butée est agencée sur la trajectoire de l'extrémité libre.  Advantageously, a stop is arranged on the path of the free end.
La butée permet de stopper la course de l'extrémité libre. Ainsi, la butée permet de positionner cette extrémité libre pour son engagement dans le deuxième logement. De plus, elle permet d'armer le premier ressort de torsion pour l'immobilisation de la bascule de verrouillage. Selon une caractéristique du véhicule de remontée mécanique selon l'invention, les moyens de verrouillage comprennent des moyens de commande de l'organe de verrouillage. The stop is used to stop the stroke of the free end. Thus, the stop allows to position this free end for its engagement in the second housing. In addition, it makes it possible to arm the first torsion spring for the immobilization of the locking lever. According to a characteristic of the mechanical lift vehicle according to the invention, the locking means comprise means for controlling the locking member.
Les moyens de commande permettent d'actionner l'organe de verrouillage pour immobiliser ou au contraire permettre à la bascule de verrouillage d'être déplacée. Les moyens de commande peuvent être automatiques, c'est-à-dire actionnés sans intervention directe de l'utilisateur, ou manuels, c'est-à-dire par intervention directe de l'utilisateur.  The control means make it possible to actuate the locking member to immobilize or, on the contrary, enable the locking lever to be moved. The control means may be automatic, that is to say actuated without direct intervention of the user, or manual, that is to say by direct intervention of the user.
Selon une possibilité, les moyens de commande comprennent un levier rattaché à l'organe de verrouillage, un organe de commande mobile relié à une suspente du véhicule, et un câble de commande mécanique relié au levier et à l'organe de commande mobile.  According to one possibility, the control means comprise a lever attached to the locking member, a movable control member connected to a hanger of the vehicle, and a mechanical control cable connected to the lever and the movable control member.
Ainsi, le déplacement de l'organe de commande mobile provoque le déplacement du câble de commande mécanique qui transmet le mouvement au levier. Le déplacement du levier provoque celui de l'organe de verrouillage.  Thus, the displacement of the movable control member causes the movement of the mechanical control cable which transmits the movement to the lever. The movement of the lever causes that of the locking member.
Selon une forme d'exécution, l'organe de commande mobile comprend une bascule de commande comprenant une première extrémité sur laquelle est fixé le câble de commande mécanique et une deuxième extrémité sur laquelle est rattaché un organe d'appui.  According to one embodiment, the movable control member comprises a control rocker comprising a first end on which is fixed the mechanical control cable and a second end on which is attached a support member.
L'organe d'appui peut être un galet monté pivotant sur la deuxième extrémité.  The support member may be a roller pivotally mounted on the second end.
La suspente peut comprendre une butée agencée sur la trajectoire de la deuxième extrémité.  The hanger may comprise an abutment arranged on the path of the second end.
Avantageusement, la première extrémité de la bascule de verrouillage forme un crochet.  Advantageously, the first end of the latch latch forms a hook.
Cela facilite le blocage de l'élément de garde-corps à l'intérieur du premier logement. La deuxième extrémité de la bascule de verrouillage peut aussi former un crochet pour le blocage de la bascule de verrouillage par l'organe de verrouillage.  This facilitates blocking of the guardrail element within the first housing. The second end of the latch can also form a hook for locking the latch latch by the locking member.
La surface de blocage peut comprendre un rebord.  The blocking surface may include a flange.
Selon une autre caractéristique du véhicule de remontée mécanique selon l'invention, la bascule de verrouillage comprend des moyens de rappel destinés à la maintenir dans une position de réception de l'élément de garde-corps dans laquelle le premier logement est agencé pour recevoir l'élément de garde-corps. Selon un mode de réalisation, la bascule de verrouillage est située sous le véhicule. According to another characteristic of the mechanical lift vehicle according to the invention, the latching lever comprises return means intended to hold it in a receiving position of the railing element in which the first housing is arranged to receive the latch. guardrail element. According to one embodiment, the latch is located under the vehicle.
De plus, l'élément de garde-corps peut être un ergot solidaire d'un marchepied du garde-corps.  In addition, the railing element may be a lug integral with a step of the guardrail.
Selon un autre aspect de la présente invention, celle-ci a également pour objet une installation de remontée mécanique comprenant un véhicule de remontée mécanique ayant les caractéristiques précitées.  According to another aspect of the present invention, it also relates to a lift installation comprising a mechanical lift vehicle having the above characteristics.
L'installation de remontée mécanique peut comprendre au moins une première rampe et au moins une deuxième rampe rattachées à une structure fixe de l'installation de remontée mécanique et destinées à actionner les moyens de commande de l'organe de verrouillage.  The ski lift installation may comprise at least a first ramp and at least a second ramp attached to a fixed structure of the lift installation and intended to actuate the control means of the locking member.
Chaque première rampe et chaque deuxième rampe peut être agencée sur la trajectoire de la deuxième extrémité de la bascule de commande et conformée pour provoquer la rotation de la bascule de commande.  Each first ramp and each second ramp may be arranged on the path of the second end of the control rocker and shaped to cause the rotation of the control rocker.
De manière avantageuse, chaque première rampe et chaque deuxième rampe comprend au moins une partie oblique destinée à actionner les moyens de commande.  Advantageously, each first ramp and each second ramp comprises at least one oblique part intended to actuate the control means.
Chaque partie oblique est agencée sur la trajectoire du galet pour provoquer la rotation de la bascule de commande.  Each oblique portion is arranged on the path of the roller to cause the rotation of the control rocker.
D'autres caractéristiques et avantages de la présente invention ressortiront clairement de la description qui suit d'un mode particulier de réalisation de l'invention, donné à titre d'exemple non limitatif, en référence aux dessins annexés dans lesquels : Other features and advantages of the present invention will emerge clearly from the following description of a particular embodiment of the invention, given by way of non-limiting example, with reference to the appended drawings in which:
- la figure 1 est une vue schématique de dessus d'une installation de remontée mécanique comprenant des sièges de remontée mécanique selon un mode de réalisation de l'invention,  FIG. 1 is a schematic view from above of a ski lift installation comprising lift seats according to one embodiment of the invention,
- la figure 2 est une vue de profil d'un véhicule de remontée mécanique selon un mode de réalisation de l'invention,  FIG. 2 is a side view of a mechanical lift vehicle according to one embodiment of the invention,
- la figure 3 est une vue de profil d'un détail de la figure 2,  FIG. 3 is a side view of a detail of FIG. 2,
- la figure 4 est un ensemble de vues schématiques d'un véhicule de remontée mécanique selon un mode de réalisation de l'invention, dans différentes étapes successives de fonctionnement. La figure 1 montre une pluralité de véhicules de remontée mécanique, par exemple des sièges 1 de remontée mécanique, équipant une installation 2 de remontée mécanique. - Figure 4 is a set of schematic views of a mechanical lift vehicle according to one embodiment of the invention, in different successive stages of operation. FIG. 1 shows a plurality of ski lift vehicles, for example ski lift seats 1, fitted to a ski lift installation 2.
L'installation 2 de remontée mécanique comprend ici deux stations d'extrémité 3, 4. Chaque station d'extrémité 3, 4 peut comporter une zone d'embarquement 5 des passagers et une zone de débarquement 10 des passagers. Les sièges 1 de remontée mécanique sont suspendus à un câble 1 1 aérien et tracteur par l'intermédiaire d'une suspente 12. Le câble 1 1 est porté par des pylônes, non représentés sur les différentes figures. Le câble 1 1 forme ici une boucle fermée et est entraîné par des poulies 13, 14.  The lift installation 2 here comprises two end stations 3, 4. Each end station 3, 4 may include a passenger loading area 5 and a passenger landing area 10. The seats 1 of the ski lift are suspended to a cable 1 1 overhead and tractor via a hanger 12. The cable 1 1 is carried by towers, not shown in the various figures. The cable 1 1 here forms a closed loop and is driven by pulleys 13, 14.
Comme cela est visible sur la figure 2, le siège 1 de remontée mécanique comprend un garde-corps 15. Le garde-corps 15 est monté pivotant par rapport au siège 1 , et peut occuper une position extrême abaissée délimitant un espace clos permettant de prévenir la chute d'un passager et une position extrême relevée dans laquelle le garde-corps 15 libère l'espace à l'avant du siège 1 pour permettre le débarquement d'un ou plusieurs passager(s) (représentée en traits pointillés sur l'exemple de la figure 2). Dans l'exemple de la figure 2, le garde-corps 15 (en traits pleins) est située dans une position intermédiaire entre la position relevée et la position abaissée.  As can be seen in FIG. 2, the mechanical lift seat 1 comprises a railing 15. The railing 15 is pivotally mounted with respect to the seat 1, and can occupy an extreme lowered position delimiting an enclosed space making it possible to prevent the fall of a passenger and an extreme raised position in which the railing 15 releases the space at the front of the seat 1 to allow the disembarkation of one or more passenger (s) (shown in dotted lines on the example of Figure 2). In the example of Figure 2, the railing 15 (in solid lines) is located in an intermediate position between the raised position and the lowered position.
Le siège 1 comprend également des moyens de verrouillage mécanique du garde-corps 15. Les moyens de verrouillage mécanique comprennent une bascule de verrouillage 20 et un organe de verrouillage de la bascule de verrouillage 20, en l'occurrence un premier ressort 21 de torsion.  The seat 1 also comprises mechanical locking means of the railing 15. The mechanical locking means comprise a latching lever 20 and a locking member of the latch 20, in this case a first torsion spring 21.
Comme cela est visible sur la figure 3, la bascule de verrouillage 20 présente une première extrémité 22 et une deuxième extrémité 23. La première extrémité 22 comprend une surface d'appui 24 et une surface de blocage 25 du garde-corps 15, comme cela est visible sur la figure 2.  As can be seen in FIG. 3, the latching lever 20 has a first end 22 and a second end 23. The first end 22 comprises a bearing surface 24 and a locking surface 25 of the railing 15, like this is visible in Figure 2.
La surface d'appui 24 et la surface de blocage 25 sont agencées l'une par rapport à l'autre de manière à délimiter entre elles un premier logement 30 destiné à recevoir un élément de garde-corps, par exemple un ergot 31 . L'ergot 31 est ici rattaché à un marchepied du garde-corps 15.  The bearing surface 24 and the blocking surface 25 are arranged relative to each other so as to delimit between them a first housing 30 intended to receive a guardrail element, for example a lug 31. The pin 31 is here attached to a step of the guardrail 15.
Selon le mode de réalisation décrit, et illustré à la figure 2, la surface de blocage 25 comprend un rebord 32.  According to the embodiment described, and illustrated in FIG. 2, the locking surface 25 comprises a flange 32.
La bascule de verrouillage 20 est reliée au siège 1 par une première liaison pivot P1 . Elle est donc mobile en rotation par rapport au siège 1 , entre une position de réception du garde-corps dans laquelle la surface d'appui 24 est située en travers de la trajectoire descendante de l'ergot 31 (c'est-à-dire en travers de la trajectoire de l'ergot 31 lorsque le garde-corps 15 est déplacé depuis sa position relevée vers sa position abaissée) et aussi dans laquelle la surface de blocage 25 est à distance de la trajectoire de l'ergot 31 , et une position de blocage du garde-corps 15 dans laquelle la surface de blocage 25 est située en travers de la trajectoire ascendante de l'ergot 31 (c'est-à-dire en travers de la trajectoire de l'ergot 31 lorsque le garde-corps 15 est déplacé depuis sa position abaissée vers sa position relevée). The latch 20 is connected to the seat 1 by a first pivot link P1. It is therefore mobile in rotation with respect to the seat 1, between a receiving position of the railing in which the surface 24 is located across the descending trajectory of the lug 31 (i.e., across the trajectory of the lug 31 when the guardrail 15 is moved from its raised position to its position lowered) and also in which the locking surface 25 is at a distance from the trajectory of the lug 31, and a locking position of the railing 15 in which the blocking surface 25 is located across the upward trajectory of the lug. pin 31 (that is to say, across the trajectory of the pin 31 when the guardrail 15 is moved from its lowered position to its raised position).
La bascule de verrouillage 20 peut présenter une position d'équilibre stable correspondant à sa position de réception. La bascule de verrouillage 20 peut aussi comprendre des moyens de rappel, par exemple un deuxième ressort 33 de torsion, destiné à s'opposer à la rotation de la bascule de verrouillage 20 depuis sa position de réception vers sa position de blocage. Le deuxième ressort 33 de torsion comprend à cet effet une extrémité 34 reliée au siège 1 (ou destinée à venir en butée contre une pièce de butée solidaire du siège 1 ) et une extrémité 35 reliée à la bascule de verrouillage 20. Il permet de maintenir la bascule de verrouillage 20 en position de réception lorsque l'ergot 31 n'est pas en appui contre la bascule de verrouillage 20.  The latch 20 may have a stable equilibrium position corresponding to its receiving position. The latch 20 may also include biasing means, for example a second torsion spring 33, for opposing the rotation of the latch 20 from its receiving position to its locking position. The second torsion spring 33 comprises for this purpose an end 34 connected to the seat 1 (or intended to abut against a stop piece integral with the seat 1) and an end 35 connected to the latch 20. It allows to maintain the latch 20 in the receiving position when the lug 31 is not in abutment against the latch 20.
Le deuxième ressort 33 de torsion peut être destiné à mettre en appui la première extrémité 22 de la bascule de verrouillage 20 contre le siège 1 . Dans ce cas, une butée 40, rattachée au siège 1 , peut être prévue. Cette butée 40 peut être en élastomère afin d'amortir les chocs de la première extrémité 22 de la bascule de verrouillage 20 contre le siège 1 .  The second torsion spring 33 may be intended to bear the first end 22 of the latch 20 against the seat 1. In this case, a stop 40, attached to the seat 1, may be provided. This abutment 40 may be of elastomer in order to dampen the shocks of the first end 22 of the latch 20 against the seat 1.
La deuxième extrémité 23 de la bascule de verrouillage 20 est avantageusement conformée pour coopérer avec le premier ressort 21 de torsion formant l'organe de verrouillage. Ainsi, la deuxième extrémité 23 comprend un deuxième logement 41 . Elle peut aussi comprendre une paroi concave 42 surplombant le deuxième logement 41 .  The second end 23 of the latch 20 is advantageously shaped to cooperate with the first torsion spring 21 forming the locking member. Thus, the second end 23 comprises a second housing 41. It may also comprise a concave wall 42 overhanging the second housing 41.
Le premier ressort 21 de torsion formant l'organe de verrouillage comprend une extrémité libre 43 et une extrémité 44 solidaire d'un levier 45. Le levier 45 est relié au siège 1 par une deuxième liaison pivot P2. Ainsi, le premier ressort 21 de torsion, en particulier son extrémité libre 43, est mobile par rapport au siège 1 . L'extrémité libre 43 du premier ressort 21 de torsion peut être déplacée entre une position de verrouillage dans laquelle elle est engagée dans le deuxième logement 41 de manière à immobiliser la bascule de verrouillage 20, et une position de déverrouillage dans laquelle l'extrémité libre 43 est désengagée du deuxième logement 41 et autorise donc la rotation de la bascule de verrouillage 20 autour de la première liaison pivot P1 . The first torsion spring 21 forming the locking member comprises a free end 43 and an end 44 integral with a lever 45. The lever 45 is connected to the seat 1 by a second pivot link P2. Thus, the first torsion spring 21, in particular its free end 43, is movable relative to the seat 1. The free end 43 of the first torsion spring 21 can be moved between a locking position in which it is engaged in the second housing 41 so as to immobilize the latch 20, and an unlocking position in which the end free 43 is disengaged from the second housing 41 and thus allows the rotation of the latch 20 around the first pivot link P1.
Une butée 50, solidaire du siège 1 , peut être prévue sur la trajectoire de l'extrémité libre 43 pour armer le premier ressort 21 de torsion et bloquer son extrémité libre 43 en position de verrouillage.  A stop 50, integral with the seat 1, may be provided in the path of the free end 43 to arm the first torsion spring 21 and lock its free end 43 in the locking position.
Selon le mode de réalisation décrit, les moyens de verrouillage mécanique comprennent des moyens de commande de l'organe de verrouillage, c'est-à-dire du premier ressort 21 de torsion. Les moyens de commande sont destinés à déplacer l'extrémité libre 43 du premier ressort 21 de torsion en position de verrouillage ou de déverrouillage de la bascule de verrouillage 20, donc du garde-corps 15.  According to the embodiment described, the mechanical locking means comprise means for controlling the locking member, that is to say the first torsion spring 21. The control means are intended to move the free end 43 of the first torsion spring 21 in the locked or unlocked position of the latch 20, hence of the railing 15.
Les moyens de commande comprennent ici le levier 45, un organe de traction, par exemple un câble 51 , et un organe de commande mobile relié à la suspente 12 du siège 1 .  The control means here comprise the lever 45, a traction member, for example a cable 51, and a movable control member connected to the hanger 12 of the seat 1.
Comme cela est visible sur la figure 2, l'organe de commande mobile est formé par une bascule de commande 52 reliée à la suspente 12 par une troisième liaison pivot P3. La bascule de commande 52 présente une première extrémité 53 sur laquelle est fixé le câble 51 , et une deuxième extrémité 54 comprenant un organe d'appui, par exemple un galet 55 monté pivotant sur cette deuxième extrémité 54.  As can be seen in FIG. 2, the movable control member is formed by a control lever 52 connected to the hanger 12 by a third pivot link P3. The control rocker 52 has a first end 53 on which the cable 51 is fixed, and a second end 54 comprising a support member, for example a roller 55 pivotally mounted on this second end 54.
Le câble 51 peut être un câble de commande mécanique. Il est par ailleurs relié au levier 45.  The cable 51 may be a mechanical control cable. It is also connected to the lever 45.
La bascule de commande 52 peut être déplacée entre une position de traction permettant, par l'intermédiaire du câble 51 et du levier 45, de placer l'extrémité libre 43 du premier ressort 21 de torsion en position de verrouillage, et une position de repos dans laquelle l'extrémité libre 43 du premier ressort 21 de torsion est en position de déverrouillage.  The control rocker 52 can be moved between a traction position allowing, by means of the cable 51 and the lever 45, to place the free end 43 of the first torsion spring 21 in the locked position, and a rest position. in which the free end 43 of the first torsion spring 21 is in the unlocking position.
La suspente 12 peut comprendre une butée 60 destinée à stopper la course de la bascule de commande 52 lorsqu'elle parvient en position de traction, comme cela est visible sur la figure 2.  The hanger 12 may comprise an abutment 60 intended to stop the stroke of the control lever 52 when it reaches the traction position, as can be seen in FIG. 2.
La deuxième extrémité 54 de la bascule de commande 52, et plus précisément le galet 55, est destinée à prendre appui successivement contre une première rampe 61 et une deuxième rampe 62, visibles sur la figure 4. La première rampe 61 et la deuxième rampe 62 sont rattachées à la structure fixe de l'installation 2 de remontée mécanique. La première rampe 61 est conformée pour provoquer le déplacement de la bascule de commande 52 depuis sa position de repos jusqu'à sa position de traction. En d'autres termes, la première rampe 61 est conformée pour provoquer le déplacement de l'extrémité libre 43 du premier ressort 21 de torsion en position de verrouillage de la bascule de verrouillage 20. The second end 54 of the control rocker 52, and more precisely the roller 55, is intended to bear successively against a first ramp 61 and a second ramp 62, visible in Figure 4. The first ramp 61 and the second ramp 62 are attached to the fixed structure of the lift installation 2. The first ramp 61 is shaped to cause the displacement of the control lever 52 from its rest position to its traction position. In other words, the first ramp 61 is shaped to cause displacement of the free end 43 of the first torsion spring 21 in the locking position of the latch 20.
La deuxième rampe 62 est conformée pour provoquer le déplacement de la bascule reliée à la suspente 12 depuis sa position de traction jusqu'à sa position de repos. En d'autres termes, la deuxième rampe 62 est conformée pour provoquer le déplacement de l'extrémité libre 43 du premier ressort 21 de torsion dans sa position de déverrouillage de la bascule de verrouillage 20.  The second ramp 62 is shaped to cause the displacement of the rocker connected to the hanger 12 from its traction position to its rest position. In other words, the second ramp 62 is shaped to cause the displacement of the free end 43 of the first torsion spring 21 in its unlocking position of the latch 20.
La première rampe 61 et la deuxième rampe 62 peuvent ainsi comprendre une partie oblique 63 contraignant le galet 55 et conduisant de ce fait la bascule de commande 52 à pivoter d'une position de repos à une position de traction ou réciproquement au fur et à mesure que le galet 55, entraîné par le déplacement du siège 1 , progresse contre cette partie oblique 63, fixe.  The first ramp 61 and the second ramp 62 may thus comprise an oblique portion 63 constraining the roller 55 and thereby causing the control lever 52 to pivot from a rest position to a traction position or vice versa as and when that the roller 55, driven by the displacement of the seat 1, progresses against this oblique portion 63, fixed.
La première rampe 61 et la deuxième rampe 62, notamment leur partie oblique 63, sont placées sur la trajectoire de la deuxième extrémité 54 de la bascule de commande 52, et plus précisément sur la trajectoire du galet 55. Comme cela est visible sur la figure 4, la première rampe 61 est agencée pour que le galet 55 prenne appui et roule sous cette première rampe 61 ; la deuxième rampe 62 est agencée pour que le galet 55 prenne appui et roule sur cette deuxième rampe 62.  The first ramp 61 and the second ramp 62, in particular their oblique portion 63, are placed on the path of the second end 54 of the control rocker 52, and more precisely on the path of the roller 55. As can be seen in FIG. 4, the first ramp 61 is arranged so that the roller 55 bears and rolls under this first ramp 61; the second ramp 62 is arranged so that the roller 55 bears and rolls on this second ramp 62.
Le galet 55 est destiné à rouler alternativement contre la première rampe 61 et contre la deuxième rampe 62. Autrement dit, le galet 55, en se déplaçant avec le siège 1 , rencontre d'abord par exemple la première rampe 61 , puis, plus tard au cours de son déplacement avec le siège 1 , la deuxième rampe 62. Il rencontre alors ensuite de nouveau la (ou une autre) première rampe 61 avant de prendre appui contre la (ou une autre) deuxième rampe 62, et ainsi de suite.  The roller 55 is intended to roll alternately against the first ramp 61 and against the second ramp 62. In other words, the roller 55, moving with the seat 1, first meets for example the first ramp 61, then, later during its movement with the seat 1, the second ramp 62. It then meets again the (or another) first ramp 61 before bearing against the (or another) second ramp 62, and so on.
Comme cela est visible sur la figure 1 , la deuxième rampe 62 peut être disposée en sortie de chaque zone d'embarquement 5 et la première rampe 61 peut être disposée en entrée de chaque zone de débarquement 10. Dans l'exemple de réalisation décrit, la bascule de verrouillage 20 et le levier 45 avec le premier ressort 21 de torsion sont disposés sous le siège 1 . As can be seen in FIG. 1, the second ramp 62 can be arranged at the exit of each loading zone 5 and the first ramp 61 can be arranged at the entrance of each landing zone 10. In the embodiment described, the latch 20 and the lever 45 with the first torsion spring 21 are arranged under the seat 1.
Selon un autre aspect de la présente invention, celle-ci a également pour objet l'installation 2 de remontée mécanique comprenant au moins un siège 1 selon le mode de réalisation précédemment décrit.  According to another aspect of the present invention, it also relates to the lift installation 2 comprising at least one seat 1 according to the embodiment described above.
L'installation 2 de remontée mécanique peut également comprendre au moins une première rampe 61 et au moins une deuxième rampe 62 telles que décrites précédemment et destinées à coopérer avec le siège 1 .  The lift installation 2 may also comprise at least a first ramp 61 and at least a second ramp 62 as previously described and intended to cooperate with the seat 1.
Le fonctionnement du siège 1 de remontée mécanique selon le mode de réalisation précédemment décrit est exposé ci-après, en référence à la figure 4.  The operation of the lift seat 1 according to the previously described embodiment is explained below, with reference to FIG. 4.
Dans une situation initiale, le siège 1 de remontée mécanique est par exemple situé dans la zone d'embarquement 5 de l'une des stations d'extrémité 3, 4. Le garde-corps 15 est relevé pour permettre l'embarquement de un ou plusieurs passagers sur le siège 1 . La bascule de verrouillage 20 est en position de réception du garde-corps 15. Le premier logement 30 pourra donc recevoir le garde-corps 15 lorsque celui-ci sera abaissé. L'extrémité libre 43 du premier ressort 21 de torsion est en position de déverrouillage ; le premier ressort 21 de torsion n'est donc pas armé pour immobiliser la bascule de verrouillage 20. Enfin, la bascule de commande 52, reliée à la suspente 12, est en position de repos. Autrement dit, la première extrémité 53 de la bascule de commande 52 n'exerce aucune traction sur le câble 51 de nature à soulever le levier 45.  In an initial situation, the seat 1 of the ski lift is for example located in the boarding area 5 of one of the end stations 3, 4. The guardrail 15 is raised to allow the boarding of one or several passengers on the seat 1. The latch 20 is in the receiving position of the railing 15. The first housing 30 can receive the guardrail 15 when it is lowered. The free end 43 of the first torsion spring 21 is in the unlocking position; the first torsion spring 21 is therefore not armed to immobilize the latching lever 20. Finally, the control lever 52, connected to the hanger 12, is in the rest position. In other words, the first end 53 of the control lever 52 exerts no traction on the cable 51 likely to lift the lever 45.
L'actionnement des poulies 13, 14 provoque le déplacement du câble 1 1 de l'installation 2 de remontée mécanique, auquel est suspendu le siège 1 . Le siège 1 se met donc en mouvement.  The actuation of the pulleys 13, 14 causes the movement of the cable 1 1 of the lift installation 2, to which the seat 1 is suspended. Seat 1 starts moving.
Le siège 1 se déplace depuis la zone d'embarquement 5 de la station d'extrémité 3, 4 dans laquelle il se situe en direction de la zone de débarquement 10 de l'autre station d'extrémité 3, 4.  The seat 1 moves from the embarkation zone 5 of the end station 3, 4 in which it is located towards the landing zone 10 of the other end station 3, 4.
Lorsqu'il parvient en sortie de la zone d'embarquement 5, le galet 55 vient en appui sous la première rampe 61 . Lorsque le galet 55 parvient contre la partie oblique 63 de la première rampe 61 , il est contraint de s'abaisser, ce qui provoque la rotation de la bascule de commande 52 autour de la troisième liaison pivot P3. La bascule de commande 52 pivote ainsi au fur et à mesure que le galet 55 roule sous la première rampe 61 , jusqu'à occuper sa position de traction. A ce stade, le galet 55 a terminé de rouler sous la partie oblique 63 de la première rampe 61 . When it reaches the exit of the boarding area 5, the roller 55 bears under the first ramp 61. When the roller 55 reaches the oblique portion 63 of the first ramp 61, it is forced to lower, which causes the rotation of the control rocker 52 around the third pivot link P3. The control rocker 52 thus pivots as and as the roller 55 rolls under the first ramp 61, to occupy its traction position. At this point, the roller 55 has finished rolling under the oblique portion 63 of the first ramp 61.
La bascule de commande 52, en pivotant, a nécessairement conduit au déplacement de sa première extrémité 53, à laquelle est relié le câble 51 . Ainsi, la bascule de commande 52, en pivotant, a conduit à la traction du câble 51 .  The pivoting control lever 52 has necessarily led to the displacement of its first end 53, to which the cable 51 is connected. Thus, the pivoting control lever 52 has led to the traction of the cable 51.
L'autre extrémité du câble 51 étant reliée au levier 45, le pivot de la bascule de commande 52 lors du passage du galet 55 sous la partie oblique 63 de la première rampe 61 a aussi provoqué de manière simultanée la rotation du levier 45 autour de la deuxième liaison pivot P2.  The other end of the cable 51 being connected to the lever 45, the pivot of the control lever 52 during the passage of the roller 55 under the oblique portion 63 of the first ramp 61 has also caused simultaneously the rotation of the lever 45 around the second pivot link P2.
Le levier 45, en se déplaçant, entraîne le déplacement du premier ressort 21 de torsion, donc de l'extrémité libre 43. Le déplacement du levier 45 est tel qu'il permet la mise en place de l'extrémité libre 43 en position de verrouillage. Au cours de son déplacement, l'extrémité libre 43 vient en appui contre la butée 50. Le premier ressort 21 de torsion est ainsi armé. Son extrémité libre 43 est en position de verrouillage.  The lever 45, moving, causes the displacement of the first torsion spring 21, therefore of the free end 43. The displacement of the lever 45 is such that it allows the introduction of the free end 43 in the position of locking. During its movement, the free end 43 bears against the stop 50. The first torsion spring 21 is thus armed. Its free end 43 is in the locking position.
Au cours du déplacement du siège 1 , le ou les passagers abaissent le garde-corps 15 depuis sa position relevée jusqu'à sa position abaissée. Au cours du déplacement du garde-corps 15, l'ergot 31 vient en appui contre la surface d'appui 24. Cela provoque la rotation de la bascule de verrouillage 20 autour de la première liaison pivot P1 , jusqu'à l'arrêt du garde-corps 15 en position abaissée.  During the displacement of the seat 1, the passenger or passengers lower the railing 15 from its raised position to its lowered position. During the movement of the guardrail 15, the lug 31 bears against the bearing surface 24. This causes the latch lever 20 to rotate about the first pivot connection P1 until it stops. railing 15 in the lowered position.
La rotation de la bascule de verrouillage 20 provoque le déplacement de sa deuxième extrémité 23, dont la paroi concave 42 rencontre l'extrémité libre 43. L'extrémité libre 43, en appui contre la paroi concave 42, fléchit et glisse sur cette paroi concave 42, en direction du deuxième logement The rotation of the latch 20 causes the displacement of its second end 23, whose concave wall 42 meets the free end 43. The free end 43, bearing against the concave wall 42, flexes and slides on this concave wall 42, towards the second home
41 . 41.
Lorsque le garde-corps 15 parvient effectivement en position abaissée, l'extrémité libre 43 est engagée dans le deuxième logement 41 , ce qui empêche la rotation inverse de la bascule de verrouillage 20. La bascule de verrouillage 20 est alors en position de blocage.  When the railing 15 actually arrives in the lowered position, the free end 43 is engaged in the second housing 41, which prevents the reverse rotation of the latch 20. The latch 20 is then in the locking position.
En effet, la rotation de la bascule de verrouillage 20 a entraîné le déplacement de sa première extrémité 22 de sorte que la surface de blocage 25 se positionne en travers de la trajectoire de l'ergot 31 , après l'avoir laissé passer. Par conséquent, l'ergot 31 est désormais prisonnier du premier logement 30. A ce stade, le ou les passagers ne peuvent plus soulever le garde-corps 15, car la bascule de verrouillage 20 ne peut pivoter du fait de l'engagement de l'extrémité libre 43 dans le deuxième logement 41 , et la surface de blocage 25 bloque l'ergot 31 . Indeed, the rotation of the latch 20 has caused the displacement of its first end 22 so that the blocking surface 25 is positioned across the trajectory of the lug 31, after allowing it to pass. Therefore, the pin 31 is now a prisoner of the first 30. At this stage, the passenger or passengers can no longer lift the guardrail 15, because the latch 20 can not pivot due to the engagement of the free end 43 in the second housing 41, and the blocking surface 25 blocks the pin 31.
A l'entrée de la zone de débarquement 10, le galet 55 vient en appui contre la deuxième rampe 62. Le galet 55, en roulant sur la partie oblique 63 de la deuxième rampe 62, provoque la rotation inverse de la bascule de commande 52. Autrement dit, la bascule de commande 52 pivote depuis la position de traction dans laquelle elle était restée depuis la sortie de la première rampe 61 jusqu'à sa position de repos. En sortie de la deuxième rampe 62, la bascule de commande 52 est en position de repos.  At the entrance to the landing zone 10, the roller 55 bears against the second ramp 62. The roller 55, rolling on the oblique portion 63 of the second ramp 62, causes the opposite rotation of the control rocker 52 In other words, the control lever 52 pivots from the traction position in which it had remained from the exit of the first ramp 61 to its rest position. At the output of the second ramp 62, the control rocker 52 is in the rest position.
Par conséquent, la première extrémité 53 cesse de maintenir en tension le câble 51 . Le levier 45 pivote par rapport à la deuxième liaison pivot P2 et s'abaisse. En s'abaissant, le levier 45 entraîne le premier ressort 21 de torsion. L'extrémité libre 43 du premier ressort 21 de torsion se désengage du deuxième logement 41 dans lequel elle était logée jusqu'à présent.  Consequently, the first end 53 stops keeping the cable 51 in tension. The lever 45 pivots relative to the second pivot link P2 and lowers. In lowering, the lever 45 drives the first torsion spring 21. The free end 43 of the first torsion spring 21 disengages from the second housing 41 in which it was housed until now.
Dès lors, le soulèvement du garde-corps 15 par le ou les passagers en vue de débarquer du siège 1 provoque la mise en appui de l'ergot 31 contre la surface de blocage 25. La bascule de verrouillage 20 n'étant plus immobilisée par l'engagement de l'extrémité libre 43 dans le deuxième logement 41 , le déplacement du garde-corps 15 depuis sa position abaissée vers sa position relevée provoque la rotation de la bascule de verrouillage 20. La surface de blocage 25 est soulevée par l'ergot 31 et s'écarte de la trajectoire de ce dernier ; le garde-corps 15 peut atteindre sa position relevée.  Therefore, the lifting of the guardrail 15 by the passenger or passengers in order to disembark the seat 1 causes the lug 31 to bear against the locking surface 25. The latch 20 is no longer immobilized by the engagement of the free end 43 in the second housing 41, the movement of the railing 15 from its lowered position to its raised position causes the rotation of the latch 20. The locking surface 25 is lifted by the ergot 31 and deviates from the trajectory of the latter; the guardrail 15 can reach its raised position.
Lorsque le câble 1 1 auquel est suspendu le siège 1 forme une boucle, le siège 1 continue de se déplacer dans la station d'extrémité 3, 4, depuis la zone de débarquement 10 jusqu'à la zone d'embarquement 5 de cette station d'extrémité 3, 4. Le garde-corps 15 peut de nouveau être verrouillé en position abaissée comme cela a été décrit ci-dessus, et ainsi de suite.  When the cable 1 1 to which the seat 1 is suspended forms a loop, the seat 1 continues to move in the end station 3, 4, from the landing zone 10 to the boarding zone 5 of this station end 3, 4. The railing 15 can again be locked in the lowered position as described above, and so on.
Bien entendu, l'invention n'est nullement limitée au mode de réalisation décrit ci-dessus, ce mode de réalisation n'ayant été donné qu'à titre d'exemple. Des modifications restent possibles, notamment du point de vue de la constitution des divers éléments ou par substitution d'équivalents techniques, sans pour autant sortir du domaine de protection de l'invention.  Of course, the invention is not limited to the embodiment described above, this embodiment having been given as an example. Modifications are possible, in particular from the point of view of the constitution of the various elements or by substitution of technical equivalents, without departing from the scope of protection of the invention.
Ainsi, le deuxième ressort de torsion pourrait être remplacé par exemple par un ressort de traction ou de compression.  Thus, the second torsion spring could be replaced for example by a tension spring or compression.

Claims

REVENDICATIONS
1 . Véhicule de remontée mécanique comprenant un garde-corps (15) destiné à occuper une position abaissée délimitant un espace clos permettant de prévenir la chute d'un passager et une position relevée dans laquelle le garde-corps (15) libère l'espace à l'avant du véhicule pour permettre l'embarquement et le débarquement d'un ou plusieurs passager(s), et des moyens de verrouillage du garde-corps (15) en position abaissée, 1. A mechanical lift vehicle comprising a railing (15) for occupying a lowered position defining an enclosed space for preventing the fall of a passenger and a raised position in which the guardrail (15) frees up the space at a distance. front of the vehicle to allow the loading and unloading of one or more passenger (s), and the railing locking means (15) in the lowered position,
caractérisé en ce que les moyens de verrouillage comprennent une bascule de verrouillage (20) comprenant une première extrémité (22) munie d'une surface d'appui (24) et d'une surface de blocage (25), la surface d'appui (24) et la surface de blocage (25) délimitant un premier logement (30) destiné à recevoir un élément de garde-corps, et une deuxième extrémité (23), dans laquelle est destiné à s'engager un organe de verrouillage agencé pour immobiliser la deuxième extrémité (23) de la bascule de verrouillage (20) lorsque le garde-corps (15) est en position abaissée.  characterized in that the locking means comprises a latching latch (20) having a first end (22) provided with a bearing surface (24) and a locking surface (25), the bearing surface (24) and the locking surface (25) delimiting a first housing (30) for receiving a railing element, and a second end (23), in which a locking member arranged to engage a immobilizing the second end (23) of the latch (20) when the railing (15) is in the lowered position.
2. Véhicule de remontée mécanique selon la revendication 1 , caractérisé en ce que la deuxième extrémité (23) comprend un deuxième logement (41 ) destiné à coopérer avec l'organe de verrouillage. 2. lifts vehicle according to claim 1, characterized in that the second end (23) comprises a second housing (41) for cooperating with the locking member.
3. Véhicule de remontée mécanique selon la revendication 2, caractérisé en ce que l'organe de verrouillage est mobile par rapport au véhicule et comprend un premier ressort (21 ) de torsion comprenant une extrémité libre (43) destinée à engager le deuxième logement (41 ). 3. A ski lift vehicle according to claim 2, characterized in that the locking member is movable relative to the vehicle and comprises a first torsion spring (21) comprising a free end (43) intended to engage the second housing ( 41).
4. Véhicule de remontée mécanique selon la revendication 3, caractérisé en ce qu'une butée (50) est agencée sur la trajectoire de l'extrémité libre (43). 4. ski lift vehicle according to claim 3, characterized in that a stop (50) is arranged on the path of the free end (43).
5. Véhicule de remontée mécanique selon l'une des revendications 1 à 4, caractérisé en ce que les moyens de verrouillage comprennent des moyens de commande de l'organe de verrouillage. 5. lift vehicle according to one of claims 1 to 4, characterized in that the locking means comprise control means of the locking member.
6. Véhicule de remontée mécanique selon la revendication 5, caractérisé en ce que les moyens de commande comprennent un levier (45) rattaché à l'organe de verrouillage, un organe de commande mobile relié à une suspente (12) du véhicule, et un câble (51 ) de commande mécanique relié au levier (45) et à l'organe de commande mobile. 6. Lift vehicle according to claim 5, characterized in that the control means comprise a lever (45) attached to the locking member, a movable control member connected to a hanger (12) of the vehicle, and a mechanical control cable (51) connected to the lever (45) and the movable control member.
7. Véhicule de remontée mécanique selon la revendication 6, caractérisé en ce que l'organe de commande mobile comprend une bascule de commande (52) comprenant une première extrémité (53) sur laquelle est fixé le câble (51 ) de commande mécanique et une deuxième extrémité (54) sur laquelle est rattaché un organe d'appui. 7. lift vehicle according to claim 6, characterized in that the movable control member comprises a control rocker (52) comprising a first end (53) on which is fixed the cable (51) of mechanical control and a second end (54) on which is attached a support member.
8. Véhicule de remontée mécanique selon l'une des revendications 1 à 7, caractérisé en ce que la première extrémité (22) de la bascule de verrouillage (20) forme un crochet. 8. lift vehicle according to one of claims 1 to 7, characterized in that the first end (22) of the latch (20) forms a hook.
9. Véhicule de remontée mécanique selon l'une des revendications9. Ski lift vehicle according to one of the claims
1 à 8, caractérisé en ce que la bascule de verrouillage (20) comprend des moyens de rappel destinés à la maintenir dans une position de réception de l'élément de garde-corps dans laquelle le premier logement (30) est agencé pour recevoir l'élément de garde-corps. 1 to 8, characterized in that the latching lever (20) comprises biasing means for holding it in a receiving position of the railing element in which the first housing (30) is arranged to receive the guardrail element.
10. Véhicule de remontée mécanique selon l'une des revendications 1 à 9, caractérisé en ce que la bascule de verrouillage (20) est située sous le véhicule. 10. Lift vehicle according to one of claims 1 to 9, characterized in that the latch (20) is located under the vehicle.
1 1 . Installation (2) de remontée mécanique comprenant un véhicule de remontée mécanique selon l'une des revendications 1 à 10. 1 1. Ski lift installation (2) comprising a ski lift vehicle according to one of claims 1 to 10.
12. Installation (2) de remontée mécanique selon la revendication 1 1 , comprenant au moins une première rampe (61 ) et au moins une deuxième rampe (62) rattachées à une structure fixe de l'installation (2) de remontée mécanique et destinées à actionner les moyens de commande de l'organe de verrouillage. 12. Installation (2) lifts according to claim 1 1, comprising at least a first ramp (61) and at least a second ramp (62) attached to a fixed structure of the installation (2) mechanical lift and intended to actuate the control means of the locking member.
13. Installation (2) de remontée mécanique selon la revendication 12, caractérisée en ce que chaque première rampe (61 ) et chaque deuxième rampe (62) comprend au moins une partie oblique (63) destinée à actionner les moyens de commande. 13. Installation (2) lifts according to claim 12, characterized in that each first ramp (61) and each second ramp (62) comprises at least one oblique portion (63) for actuating the control means.
EP12794414.8A 2011-11-16 2012-10-30 Mechanical lift vehicle Not-in-force EP2780209B1 (en)

Applications Claiming Priority (2)

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FR1160422A FR2982564B1 (en) 2011-11-16 2011-11-16 MECHANICAL REMOTE VEHICLE
PCT/FR2012/052513 WO2013072596A1 (en) 2011-11-16 2012-10-30 Mechanical lift vehicle

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EP2780209A1 true EP2780209A1 (en) 2014-09-24
EP2780209B1 EP2780209B1 (en) 2016-04-13

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EP (1) EP2780209B1 (en)
JP (1) JP5995985B2 (en)
KR (1) KR101998714B1 (en)
CN (1) CN103974869B (en)
CA (1) CA2856062C (en)
ES (1) ES2582352T3 (en)
FR (1) FR2982564B1 (en)
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ES2582352T3 (en) 2016-09-12
CA2856062C (en) 2019-05-21
JP2015501749A (en) 2015-01-19
KR101998714B1 (en) 2019-07-10
UA108715C2 (en) 2015-05-25
US20150000548A1 (en) 2015-01-01
CN103974869A (en) 2014-08-06
FR2982564B1 (en) 2014-01-03
EP2780209B1 (en) 2016-04-13
CN103974869B (en) 2016-07-27
US9580082B2 (en) 2017-02-28
RU2610839C2 (en) 2017-02-16
CA2856062A1 (en) 2013-05-23
RU2014118734A (en) 2015-12-27
KR20140093263A (en) 2014-07-25
JP5995985B2 (en) 2016-09-21
FR2982564A1 (en) 2013-05-17
WO2013072596A1 (en) 2013-05-23

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