EP2651737B1 - Ski lift seat having a magnetic lock for a restraining bar - Google Patents
Ski lift seat having a magnetic lock for a restraining bar Download PDFInfo
- Publication number
- EP2651737B1 EP2651737B1 EP11794557.6A EP11794557A EP2651737B1 EP 2651737 B1 EP2651737 B1 EP 2651737B1 EP 11794557 A EP11794557 A EP 11794557A EP 2651737 B1 EP2651737 B1 EP 2651737B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- seat
- ski lift
- lift seat
- rocker
- magnetizable
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 230000005291 magnetic effect Effects 0.000 title claims description 65
- 230000000452 restraining effect Effects 0.000 title claims 9
- 238000009434 installation Methods 0.000 claims description 20
- 230000000903 blocking effect Effects 0.000 claims description 7
- 239000004020 conductor Substances 0.000 claims description 7
- 239000002184 metal Substances 0.000 claims description 4
- 230000002787 reinforcement Effects 0.000 claims 1
- 230000003014 reinforcing effect Effects 0.000 description 7
- 238000006073 displacement reaction Methods 0.000 description 6
- 230000006835 compression Effects 0.000 description 4
- 238000007906 compression Methods 0.000 description 4
- 238000012423 maintenance Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 239000000696 magnetic material Substances 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 238000010276 construction Methods 0.000 description 1
- 239000003302 ferromagnetic material Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002028 premature Effects 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
Images
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
- B61B12/00—Component parts, details or accessories not provided for in groups B61B7/00 - B61B11/00
Definitions
- the present invention relates to a lift installation.
- 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.
- a ski lift lift facility can pull skiers on their own skis to climb the slope.
- a gondola-type installation consists of carrying passengers using cabins suspended from a continuous-motion cable.
- a cable-type facility can route passengers up or down a slope with a movement back and forth. In other words, the movement is reversed at the end stations.
- 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 vehicles can be disengaged or not.
- the seats can be detached from the cable to which they are suspended to be routed to a secondary path when they arrive at a boarding area or disembarkation.
- the seat speed is reduced to facilitate boarding or passenger disembarkation, providing more comfort and safety.
- the seats are not disengaged, they remain permanently on the cable to which they are suspended. In this case, the absence of a clutch release system provides a simpler structure lift installation.
- 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 unloading areas.
- 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.
- the present invention aims to solve all or part of the disadvantages mentioned above.
- the subject of the present invention is a mechanical lift seat comprising an armature and a railing capable of occupying a first extreme lowered position delimiting an enclosed space making it possible to prevent the fall of a passenger and a second extreme position raised.
- the guardrail releases the space at the front of the seat to allow the disembarkation of one or more passengers
- the lift seat comprises means for locking the guardrail when the one it occupies a lowered position, the locking means comprising a first magnetic member fixed on the armature cooperating with a second magnetizable member to maintain the guardrail in the lowered position.
- the invention thus provides a guardrail locking device that eliminates the mechanical stresses usually encountered with guardrail locking means comprising purely mechanical locking means. This is particularly true in terms of maintenance since the magnetic elements require little or no maintenance (time-consuming and expensive), but also in terms of the weight of the seat, since the guardrail locking devices comprising only mechanical locking means weigh down. the seats (causing their early wear).
- the locking means according to the present invention comprise elements fixed on the lift seat and not on the guardrail.
- the guardrail locking means can be fixed on existing lift seats, without requiring for this purpose to substantially modify the seat structure.
- the locking means comprise a rocker linked to the armature of the seat by a pivot connection.
- the rocker comprises two ends respectively constituted by a locking member and the magnetizable member.
- the railing comprises abutment means intended to abut against the locking member and the magnetizable member is able to flex when in contact with the magnetic member.
- the rotation of the railing causes the rotation of the rocker, and therefore the contacting of the magnetic member and the magnetizable member.
- the seat comprises return means connected to the end of the rocker and the frame of the seat.
- This feature has the advantage of facilitating the separation of the magnetizable member of the magnetic member and promote the rapid return of the rocker to a stable equilibrium position.
- the locking member comprises two walls, the first wall being oriented on the side of the armature, and the second wall having an edge delimiting two surfaces of the second wall, a surface parallel to the first wall and a surface inclined with respect to the first wall and adjacent to the first wall.
- the rocker and the magnetic member are located under the seat.
- the rocker comprises a first end on which is fixed the magnetizable member and a second end shaped to receive and lock a guardrail element.
- the second end comprises a bearing surface and a locking surface, the bearing surface and the locking surface defining a housing for receiving the guardrail element.
- the seat comprises return means opposing the displacement of the second end of the rocker in the direction of the magnetic member.
- the magnetic member comprises an electromagnet electrically connected to electrical conductors embedded on the mechanical lift seat.
- the electromagnet when electrically powered, it generates a magnetic field opposing the magnetic field of the magnetic member, to separate the magnetizable member of the magnetic member.
- the seat comprises mechanical unlocking means of the guardrail.
- the mechanical unlocking means comprise a lever and means for controlling the lever.
- control means of the lever comprise a movable control member attached to a hanger of the seat, a mechanical control cable connected to the movable control member and the lever, and return means opposing the movement. from the movable control member to an operating position of the lever in which the mechanical control cable pulls the lever.
- the movable control member comprises a control lever pivotally mounted on the hanger, the control lever comprising a first end to which is attached the mechanical control cable and a second end comprising a control member. support intended to come in support against a ramp.
- the support member is a roller pivotally mounted on the second end.
- the magnetic member is a permanent magnet.
- the magnetizable member is a metal plate.
- the present invention also relates to a lift installation, including chairlift type, comprising at least one mechanical lift seat according to the invention.
- the figure 1 represents a seat 1 of a ski lift facility 2.
- the ski lift installation 2 is shown on the figure 3 .
- the ski lift installation 2 may in particular be of the chairlift type and comprise two end stations 3, 4.
- Each end station 3, 4 may include a passenger loading zone 5 and a passenger landing zone 6 , as shown on the figure 3 .
- the seat 1 of the ski lift is suspended from an aerial cable 7 and tractor by a hanger 8.
- the cable 7 is carried by towers, not shown in the various figures.
- the seat 1 comprises an armature 9 to which is connected the suspension 8.
- the cable 7 forms a closed loop and is driven by pulleys 10, 11.
- the seat 1 has a back 12 and a seat 13.
- the frame 9 of the seat 1 has a bent shape, so that the ends of the frame 9 form the backrest 12 and the seat 13.
- the backrest 12 and the seat 13 can support one or more passenger (s) during transport.
- the seat 1 also comprises a railing 14.
- the railing 14 is connected to the frame 9 of the seat 1, for example by a pivot link P1.
- the pivot connection P1 allows a rotational movement of the railing 14, along the axis of the pivot connection P1.
- the rotation of the railing 14 takes place between two extreme positions of use of the railing 14: a position of use called “lowered”, and a position of use called “raised”.
- a position of use called “lowered”
- a position of use called “raised”
- the railing 14 When the railing 14 is in the lowered position, it defines an enclosed space corresponding to a security space inside which the passengers are located during the journey of the seat 1 out of the boarding areas 5 and disembarkation 6.
- the railing occupying a lowered position contributes to the safety of passengers, preventing the risk of tilting forward of the seat 1 of passengers, and therefore their fall.
- the railing 14 is in a raised position of use, it frees the space at the front and sides of the seat 1. It is thus possible for the passengers to leave the seat 13 while moving in before the seat 1, or to take place on the seat 1 by placing itself in
- the lift seat 1 also comprises means for locking the railing 14 when the railing 14 is in a lowered position. This makes it possible to significantly increase the safety of the passengers by preventing them from raising the railing 14 once it has been lowered to secure the path of the seat 1 between the end stations 3, 4.
- locking means comprise in particular a magnetic member and a magnetizable member. This makes it possible to overcome the constraints usually encountered with locking means comprising only mechanical means for locking the guardrail, namely a complex structure, difficult to adapt to the lift seats due to this complexity and due to the structural changes imposed on the railing, and having a relatively high weight important causing rapid wear of seats 1 equipped with these locking means.
- the locking means comprise a magnetizable member.
- the member 15 is made of magnetic material.
- magnetic material is meant any material capable of magnetizing when immersed in an external magnetic field.
- the magnetizable member 15 is a metal plate, for example a stainless steel plate.
- the magnetizable member is able to flex when subjected to normal stress at a plane parallel to the plane defined by the metal plate 15.
- the locking means also comprise a rocker 16.
- the rocker 16 comprises a locking member 17 and the magnetizable member 15.
- the locking member 17 and the magnetizable member 15 respectively constitute the ends 16a, 16b of the rocker 16.
- a tension spring 18 can be placed between the end 16a (locking member 17) of the rocker 16 and the armature 9 of the seat 1.
- the function of the traction spring 18 will be detailed here. -after.
- the locking member 17 comprises in particular two walls 17a and 17b.
- the wall 17a has an edge delimiting the wall 17a in a surface parallel to the wall 17b and a surface inclined relative to the wall 17b.
- the wall 17b is disposed on the backrest side 12, as shown in FIG. figure 2 .
- the locking member 17 is connected to the frame 9 by a pivot link P2.
- the axis of rotation of the locking member 9 is substantially parallel to the axis of rotation of the railing 14.
- the pivot connection P2 according to the principle of any latch, is located on an intermediate portion of the rocker 16, between the ends 16a and 16b.
- the magnetizable member (end 16b) may be attached to the locking member 17 by screws, bolts or rivets.
- a reinforcing plate 19 is placed against the magnetizable member, which it partially overlaps.
- the reinforcing plate 19 is disposed on the upper part of the magnetizable member 15, that is to say the part of the magnetizable member 15 close to the pivot link P2.
- the lower part of the magnetisable member 15 is not covered by the reinforcing plate 19.
- the reinforcing plate 19 is placed on the side of the magnetisable member 15 facing the backrest 12.
- the locking member 17 has a shoulder 17c against which abuts the magnetizable member 15.
- the upper part of the magnetizable member 15 is sandwiched between the shoulder 17c and the reinforcing plate 19, fixed to the magnetizable member 15, for example by bolting.
- the locking means also comprise a magnetic member.
- the magnetic member 20 is a permanent magnet.
- the magnetic member 20 is attached to the frame 9 of the lift seat 1.
- the magnetic member 20 is intended to cooperate with the magnetizable member 15 to participate in the locking of the railing 14 in the lowered position.
- the magnetic member 20 is located substantially equidistant from the pivot link P2 as the lower part of the magnetizable member 15 with which it cooperates.
- the magnetic member 20 incorporates an electromagnet, for example a coil 21.
- the coil 21 is electrically connected to electrical conductors 22, 23, as described in the document WO 2010/052426 , located on the hanger 8.
- the guardrail 14 comprises stop means, for example a lug 24 whose axis is parallel to the axis of rotation of the railing 14.
- the lug 24 bears against the wall 17b of the body lock 17 when the guardrail is lowered.
- the rotational movement of the railing 14 due to its lowering causes the application of a force on the end 16a (locking member 17) of the rocker 16.
- the rocker 16 then pivots about the axis of the pivot link P2, causing the displacement of its other end 16b and the contacting of the magnetizable member and the magnetic member.
- the magnetic field created by the magnetic member causes attraction and holding in position of the magnetizable member against the magnetic member.
- the railing 14 has not yet reached its lowered position and is not yet locked.
- the magnetizable member 15 flexes, until the end 16a of the rocker 16 can be crossed by the lug 24.
- the lug 24 is thus found on the other side. side of the locking member 17, against the wall 17a thereof.
- the railing 14 is locked in its lowered position. It is no longer possible for passengers to lift it. Indeed, the locking member 17 acts in the manner of a non-return ratchet. The locking member 17 contributes to preventing the lifting of the railing 14 from its lowered position. If one of the passengers, intentionally or accidentally, exerts a force tending to lift the railing 14, the wall 17a, against which the pin 24 is pressed, blocks the rotation of the railing 14. The rocker 16 can not not rotate, to the extent that its end 16b is secured to the armature 9 by the cooperation of the magnetizable element 15 and the magnetic member 20.
- the rocker 16 can not bend either, since the reinforcing plate 19 pressed against the magnetizable element 15 prevents the deflection thereof in a direction corresponding to the direction of advance of the seat 1 of mechanical lift.
- the end 16a of the rocker 16 is an impassable obstacle placed on the return path of the pin 24. It is impossible for the passengers to leave the guardrail 14 its lowered position.
- the electrical conductors 22, 23 come into contact with a conductive brush device subjected to a voltage, as described in the document WO 2010/052426 .
- the coil 21, which is electrically connected to the electrical conductors 22, 23, is powered.
- a magnetic field is created opposing the magnetic field of the magnetic member.
- the force required to separate the magnetizable element from the magnetic member is substantially reduced and becomes virtually zero or even zero.
- the end 16b of the rocker 16 is detached from the magnetic member 20, pivoting about the axis of the pivot link P2, and tends to adopt a stable equilibrium position.
- this position of stable equilibrium substantially corresponds to a vertical position, in particular visible on the figure 2 .
- a traction spring 18 When a traction spring 18 is present, it contributes to the separation of the magnetizable member and the magnetic member, and returns to a stable equilibrium position of the lever 16.
- the guardrail 14 is no longer locked. It is sufficient for the passengers to lift it so that it leaves its lowered position and pivots around the axis of the pivot link P1 to a raised position.
- the lug 24 exerts a force on the wall 17a of the locking member 17 (end 16a of the rocker 16).
- the end 16b of the rocker 16 is no longer secured to the magnetic member 20 and being free to move, the force exerted by the lug 24 during the lifting of the railing 14 causes the constrained rotation of the rocker 16 around the axis of rotation of the pivot link P2, until the lug 24 has again crossed the obstacle formed by the locking member 17 (end 16a of the rocker 16).
- the railing 14 can continue its rotation until reaching a raised extreme position.
- the inclined surface of the wall 17a relative to the wall 17b promotes the return of the lug 24 on the other side of the locking member 17.
- the inclined surface of the wall 17a also limits the stroke of the end 16b necessary to cross the locking member 17 by the lug 24.
- the locking means of the railing 14 are located under the seat 1 lift.
- the magnetic member 20 is here fixed under the seat 1, for example under the seat 13.
- the magnetizable member 15 is here connected to a first end 31 of a flip-flop 30.
- the latch 30 is rotatable relative to the seat 1. As can be seen on the figure 5 , the latch 30 may be connected to a flange 33 by a pivot link P2. The flange 33 is secured to the seat 1.
- the rocker 30 comprises a second end 32.
- the second end 32 is shaped to receive and lock a railing element, for example a lug 34 attached to the guardrail 14. More specifically, the lug 34 can be attached to the footboard of the railing 14.
- the second end 32 may have a hook shape.
- the second end 32 here comprises a bearing surface 35 and a blocking surface 36.
- the bearing surface 35 and the locking surface 36 are arranged to delimit a housing 37.
- the housing 37 is intended to receive the lug 34 .
- the latch 30 can pivot between a receiving position of the lug 34, wherein the housing 37 is positioned to receive the lug 34, and a latching position of the railing 14, wherein the magnetizable member 15 is in abutment against the magnetic member.
- the bearing surface 35 is disposed in the path of the lug 34, while the locking surface 36 is at a distance from this trajectory.
- the blocking surface 36 is located across the trajectory of the lug 34.
- the torsion spring 38 here comprises a first end 39 intended to bear against a second lug 40 attached to the rocker 30, and a second end 41 intended to bear against a third lug 42 attached to the flange 33.
- the lug 34 engaging in the housing 37 and bearing against the bearing surface 35, causes the rotation of the latch 30 around the Pivot link P2. This rotation results in the elevation of the first end 31, until contacting the magnetizable member 15, attached to this first end 31, with the magnetic member 20 on the one hand, and the displacement of the locking surface 36 across the return path of the lug 34 on the other hand.
- the guard 14 is locked in the lowered position.
- the lug 34 is trapped in the housing 37.
- the locking surface 36 prevents the reverse movement of the lug 34, corresponding to the movement of the railing 14 from its lowered position to its raised position.
- the coil 21 When the seat 1 reaches the landing zone 6, the coil 21 is energized and neutralizes the magnetic field of the magnetic member.
- the magnetizable member 15 can be disengaged from the magnetic member.
- the latch 30 is no longer immobilized.
- the passenger or passengers can lift the railing 14 from its lowered position to its raised position to leave the seat 1.
- the lug 34 bears against the locking surface 36 and thus causes the rotation of the flip-flop 30, facilitated by the torsion spring 38.
- the guardrail 14 is locked in a manner similar to the embodiment illustrated in FIGS. figures 4 and 5 , but the unlocking is this time done mechanically.
- the seat 1 comprises mechanical unlocking means of the railing 14.
- the magnetic member 20 is devoid of coil 21 to be electrically powered.
- the magnetic field of the magnetic member can not be neutralized.
- the seat 1 also has no electrical conductors 22, 23.
- the mechanical unlocking means comprise a lever 50 and lever control means 50.
- the lever 50 is pivotally mounted relative to the seat 1. It can be connected to the seat 1 (or the flange 33) by a pivot link P3.
- the lever 50 comprises a first end 51 and a second end 52.
- first end 51 is arranged to bear against the magnetizable member 15 when the latter is in contact with the magnetic member.
- control means comprise a mechanical control cable 53, a control lever 54, and return means in position of the control lever 54, for example a compression spring 55 (depending on the arrangement of the spring, it could also be a tension spring).
- the control rocker 54 is pivotally mounted relative to the hanger 8, via a pivot link P3.
- the control lever 54 comprises a first end 56 and a second end 57.
- the first end 56 is connected to the mechanical control cable 53 (which is further connected to the second end 52 of the lever).
- the second end 57 is intended to be moved by means of a ramp 58 which will be described in more detail below.
- This second end 57 comprises a support member, for example a roller 59 pivotally mounted on this second end 57.
- the compression spring 55 is attached on the one hand to the hanger 8, and on the other hand to the control lever 54. In the example of the figure 6 the compression spring 55 is attached to the first end 56 of the control lever 54.
- the ski lift installation 60 comprises at least one ramp 58 arranged on the path of the roller 59, as can be seen in FIG. figure 8 .
- Each ramp 58 is attached to the fixed structure of the ski lift installation 60, at the entrance or in the landing area or zones 6.
- the ramp 58 comprises at least one oblique portion 61 to cause the rotation of the control lever 54.
- the ramp 58 comprises an oblique portion 61 at the entrance and an oblique portion 62 at the outlet. Between these two oblique parts 61, 62 is provided an intermediate portion 63 for maintaining the control rocker 54 in an unlocked position of the railing 14 (visible on the figure 6 ) allowing a passenger to move the railing 14 from its lowered position to its raised position.
- the locking of the railing 14 is made similar to the embodiment illustrated in FIGS. figures 4 and 5 .
- the bringing into contact of the magnetizable member and the magnetic member automatically causes them to be secured, since the magnetic member does not comprise no coil 21 for creating a magnetic field opposing that of the magnetic member.
- the rotation of the lever 50 causes the support of its first end 51 against the magnetizable member 15, hitherto secured to the magnetic member 20.
- the first end 51 exerts on the magnetizable member a force tending to move it away from the magnetic member. This force is sufficient to create an air gap between the magnetizable member and the magnetic member. This air gap makes it possible to separate the magnetizable member 15 and the magnetic member 20 when a passenger raises the railing 14. Thus, the guardrail 14 can be unlocked.
- the control lever 54 pivots in the opposite direction under the effect of the compression spring 55.
- the lever 50 also pivots in the opposite direction. Its first end 51 moves away from the magnetizable member. The position of the lever 50 thus again allows the contact of the magnetizable member 15 with the magnetic member 20 for locking the railing 14.
- the lift seat 1 has magnetic locking means preventing the lifting of the railing 14 when it is placed in an extreme position lowered during the journey of the seat 1 out of a boarding area 5 or landing 6, and allowing the lifting of the guardrail 14 to an extreme position raised during the journey from the seat 1 in a boarding area 5 or landing 6.
- the seats 1 lift can be disengaged or not.
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- Engineering & Computer Science (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Seats For Vehicles (AREA)
- Refuge Islands, Traffic Blockers, Or Guard Fence (AREA)
- Cage And Drive Apparatuses For Elevators (AREA)
- Maintenance And Inspection Apparatuses For Elevators (AREA)
- Special Chairs (AREA)
- Fittings On The Vehicle Exterior For Carrying Loads, And Devices For Holding Or Mounting Articles (AREA)
Description
La présente invention concerne une installation de remontée mécanique.The present invention relates to a lift installation.
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.
Il existe plusieurs types d'installation mécanique : 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. Une installation de remontée mécanique de type téléski permet de tracter des skieurs sur leurs propres skis pour remonter la pente. Une installation de type télécabine consiste à acheminer des passagers à l'aide de cabines suspendues à un câble à mouvement continu. Enfin, une installation de type téléphérique permet d'acheminer des passagers en haut ou en bas d'une pente avec un mouvement de va-et-vient. Autrement dit, le mouvement est inversé aux stations d'extrémités.There are several types of mechanical installation: 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. A ski lift lift facility can pull skiers on their own skis to climb the slope. A gondola-type installation consists of carrying passengers using cabins suspended from a continuous-motion cable. Finally, a cable-type facility can route passengers up or down a slope with a movement back and forth. In other words, the movement is reversed at the end stations.
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.
Lorsque l'installation de remontée mécanique est de type télésiège, les véhicules (sièges) peuvent être débrayables ou non. Lorsqu'ils sont débrayables, les sièges peuvent être désolidarisés du câble auquel ils sont suspendus pour être acheminés vers un parcours secondaire lorsqu'ils arrivent au niveau d'une zone d'embarquement ou de débarquement. Sur le parcours secondaire, la vitesse du siège est réduite pour faciliter l'embarquement ou le débarquement des passagers, procurant ainsi davantage de confort et de sécurité. Lorsque les sièges ne sont pas débrayables, ceux-ci restent à demeure sur le câble auquel ils sont suspendus. Dans ce cas, l'absence de système de débrayage offre une installation de remontée mécanique de structure plus simple.When the lift installation is chairlift type, the vehicles (seats) can be disengaged or not. When disengaged, the seats can be detached from the cable to which they are suspended to be routed to a secondary path when they arrive at a boarding area or disembarkation. On the secondary course, the seat speed is reduced to facilitate boarding or passenger disembarkation, providing more comfort and safety. When the seats are not disengaged, they remain permanently on the cable to which they are suspended. In this case, the absence of a clutch release system provides a simpler structure lift installation.
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 ainsi connu du document de brevet
Il est également 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.It is also 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 unloading areas. 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. Toutefois, les sièges existants n'offrent généralement qu'une sécurité limitée, dans la mesure où rien n'empêche les passagers de relever le garde-corps pendant le trajet du siège hors des zones d'embarquement et de débarquement.For safety reasons, the guardrail must not be lifted during the entire journey phase out of the loading and unloading areas. Existing seats, however, generally offer only limited safety, as there is nothing to prevent passengers from raising the guardrail during the journey from the seat outside the loading and unloading areas.
Pour y remédier, il est connu d'utiliser des dispositifs de blocage mécanique du garde-corps, comme celui divulgué dans le document de brevet
Aussi la présente invention a-t-elle pour but de résoudre tout ou partie des inconvénients mentionnés ci-dessus.Thus, the present invention aims to solve all or part of the disadvantages mentioned above.
A cet effet, la présente invention a pour objet un siège de remontée mécanique comportant une armature et un garde-corps apte à occuper une première position extrême abaissée délimitant un espace clos permettant de prévenir la chute d'un passager et une seconde position extrême relevée dans laquelle le garde-corps libère l'espace à l'avant du siège pour permettre le débarquement d'un ou plusieurs passager(s), caractérisé en ce que le siège de remontée mécanique comporte des moyens de verrouillage du garde-corps lorsque celui-ci occupe une position abaissée, les moyens de verrouillage comportant un premier organe magnétique fixé sur l'armature coopérant avec un second organe magnétisable pour maintenir le garde-corps en position abaissée.For this purpose, the subject of the present invention is a mechanical lift seat comprising an armature and a railing capable of occupying a first extreme lowered position delimiting an enclosed space making it possible to prevent the fall of a passenger and a second extreme position raised. in which the guardrail releases the space at the front of the seat to allow the disembarkation of one or more passengers, characterized in that the lift seat comprises means for locking the guardrail when the one it occupies a lowered position, the locking means comprising a first magnetic member fixed on the armature cooperating with a second magnetizable member to maintain the guardrail in the lowered position.
L'invention offre ainsi un dispositif de verrouillage de garde-corps s'affranchissant des contraintes mécaniques rencontrées habituellement avec des moyens de verrouillage du garde-corps comprenant des moyens purement mécaniques de verrouillage. Cela se vérifie notamment en termes de maintenance puisque les éléments magnétiques nécessitent peu voire pas de maintenance (chronophage et coûteuse), mais aussi en termes de poids du siège, puisque les dispositifs de verrouillage du garde-corps comportant uniquement des moyens mécaniques de verrouillage alourdissent les sièges (entraînant leur usure précoce). De plus, les moyens de verrouillage selon la présente invention comportent des éléments fixés sur le siège de remontée mécanique et non sur le garde-corps. Ainsi, les moyens de verrouillage du garde-corps peuvent être fixés sur des sièges de remontée mécanique existants, sans nécessiter à cette fin de modifier sensiblement la structure du siège.The invention thus provides a guardrail locking device that eliminates the mechanical stresses usually encountered with guardrail locking means comprising purely mechanical locking means. This is particularly true in terms of maintenance since the magnetic elements require little or no maintenance (time-consuming and expensive), but also in terms of the weight of the seat, since the guardrail locking devices comprising only mechanical locking means weigh down. the seats (causing their early wear). In addition, the locking means according to the present invention comprise elements fixed on the lift seat and not on the guardrail. Thus, the guardrail locking means can be fixed on existing lift seats, without requiring for this purpose to substantially modify the seat structure.
Selon une autre caractéristique du siège de remontée mécanique selon l'invention, les moyens de verrouillage comportent une bascule liée à l'armature du siège par une liaison pivot.According to another characteristic of the lift seat according to the invention, the locking means comprise a rocker linked to the armature of the seat by a pivot connection.
De manière avantageuse, la bascule comporte deux extrémités constituées respectivement par un organe de blocage et l'organe magnétisable.Advantageously, the rocker comprises two ends respectively constituted by a locking member and the magnetizable member.
Préférentiellement, le garde-corps comporte des moyens de butée destinés à venir en appui contre l'organe de blocage et l'organe magnétisable est apte à fléchir lorsqu'il est en contact avec l'organe magnétique.Preferably, the railing comprises abutment means intended to abut against the locking member and the magnetizable member is able to flex when in contact with the magnetic member.
Ainsi, la rotation du garde-corps entraîne la rotation de la bascule, et par conséquent la mise en contact de l'organe magnétique et de l'organe magnétisable.Thus, the rotation of the railing causes the rotation of the rocker, and therefore the contacting of the magnetic member and the magnetizable member.
Avantageusement, la bascule comporte des moyens de renfort aptes à rigidifier l'organe magnétisable, de sorte que l'organe magnétisable soit apte à fléchir dans un sens uniquement.Advantageously, the rocker comprises reinforcing means capable of stiffening the magnetizable member, so that the magnetizable member is able to bend in one direction only.
Préférentiellement, le siège comporte des moyens de rappel liés à l'extrémité de la bascule et à l'armature du siège.Preferably, the seat comprises return means connected to the end of the rocker and the frame of the seat.
Cette caractéristique présente l'avantage de faciliter la désolidarisation de l'organe magnétisable de l'organe magnétique et favoriser le retour rapide de la bascule vers une position d'équilibre stable.This feature has the advantage of facilitating the separation of the magnetizable member of the magnetic member and promote the rapid return of the rocker to a stable equilibrium position.
Selon une autre caractéristique du siège de remontée mécanique selon l'invention, l'organe de blocage comprend deux parois, la première paroi étant orientée du côté de l'armature, et la seconde paroi présentant une arête délimitant deux surfaces de la seconde paroi, une surface parallèle à la première paroi et une surface inclinée par rapport à la première paroi et adjacente à la première paroi.According to another characteristic of the mechanical lift seat according to the invention, the locking member comprises two walls, the first wall being oriented on the side of the armature, and the second wall having an edge delimiting two surfaces of the second wall, a surface parallel to the first wall and a surface inclined with respect to the first wall and adjacent to the first wall.
Ainsi, le soulèvement du garde-corps vers une position relevée à partir d'une position abaissée est facilité et l'amplitude du mouvement de l'extrémité de la bascule est limitée.Thus, raising the guardrail to a raised position from a lowered position is facilitated and the range of motion of the tip of the latch is limited.
Selon un mode de réalisation, la bascule et l'organe magnétique sont situés sous le siège.According to one embodiment, the rocker and the magnetic member are located under the seat.
Avantageusement, la bascule comprend une première extrémité sur laquelle est fixé l'organe magnétisable et une deuxième extrémité conformée pour recevoir et verrouiller un élément de garde-corps.Advantageously, the rocker comprises a first end on which is fixed the magnetizable member and a second end shaped to receive and lock a guardrail element.
Selon une forme d'exécution, la deuxième extrémité comprend une surface d'appui et une surface de blocage, la surface d'appui et la surface de blocage délimitant un logement destiné à recevoir l'élément de garde-corps.According to one embodiment, the second end comprises a bearing surface and a locking surface, the bearing surface and the locking surface defining a housing for receiving the guardrail element.
De manière avantageuse, le siège comprend des moyens de rappel s'opposant au déplacement de la deuxième extrémité de la bascule en direction de l'organe magnétique.Advantageously, the seat comprises return means opposing the displacement of the second end of the rocker in the direction of the magnetic member.
Préférentiellement, l'organe magnétique comporte un électroaimant connecté électriquement à des conducteurs électriques embarqués sur le siège de remontée mécanique.Preferably, the magnetic member comprises an electromagnet electrically connected to electrical conductors embedded on the mechanical lift seat.
Ainsi, si l'électroaimant est alimenté électriquement, celui-ci génère un champ magnétique s'opposant au champ magnétique de l'organe magnétique, permettant de désolidariser l'organe magnétisable de l'organe magnétique.Thus, if the electromagnet is electrically powered, it generates a magnetic field opposing the magnetic field of the magnetic member, to separate the magnetizable member of the magnetic member.
Selon un autre mode de réalisation, le siège comprend des moyens de déverrouillage mécanique du garde-corps.According to another embodiment, the seat comprises mechanical unlocking means of the guardrail.
Avantageusement, les moyens de déverrouillage mécanique comprennent un levier et des moyens de commande du levier.Advantageously, the mechanical unlocking means comprise a lever and means for controlling the lever.
Selon une possibilité, les moyens de commande du levier comprennent un organe de commande mobile rattaché à une suspente du siège, un câble de commande mécanique relié à l'organe de commande mobile et au levier, et des moyens de rappel s'opposant au déplacement de l'organe de commande mobile vers une position d'actionnement du levier dans laquelle le câble de commande mécanique tracte le levier.According to one possibility, the control means of the lever comprise a movable control member attached to a hanger of the seat, a mechanical control cable connected to the movable control member and the lever, and return means opposing the movement. from the movable control member to an operating position of the lever in which the mechanical control cable pulls the lever.
Selon une forme d'exécution, l'organe de commande mobile comprend une bascule de commande montée pivotante sur la suspente, la bascule de commande comprenant une première extrémité à laquelle est attaché le câble de commande mécanique et une deuxième extrémité comprenant un organe d'appui destiné à venir en appui contre une rampe.According to one embodiment, the movable control member comprises a control lever pivotally mounted on the hanger, the control lever comprising a first end to which is attached the mechanical control cable and a second end comprising a control member. support intended to come in support against a ramp.
De préférence, l'organe d'appui est un galet monté pivotant sur la deuxième extrémité.Preferably, the support member is a roller pivotally mounted on the second end.
De manière avantageuse, l'organe magnétique est un aimant permanent.Advantageously, the magnetic member is a permanent magnet.
Préférentiellement, l'organe magnétisable est une plaque métallique.Preferably, the magnetizable member is a metal plate.
La présente invention a également pour objet une installation de remontée mécanique, notamment de type télésiège, comprenant au moins un siège de remontée mécanique selon l'invention.The present invention also relates to a lift installation, including chairlift type, comprising at least one mechanical lift seat according to the invention.
On comprendra mieux les buts, aspects et avantages de la présente invention d'après la description donnée ci-après d'un mode de réalisation de la présente invention, donnée à titre d'exemple non limitatif, en se référant aux dessins annexés dans lesquels :
- La
figure 1 est une vue de profil d'un siège de remontée mécanique selon un mode particulier de réalisation de l'invention, - La
figure 2 est une vue d'un détail de lafigure 1 illustrant un dispositif de verrouillage magnétique monté sur un siège de remontée mécanique selon un mode particulier de réalisation de l'invention, - La
figure 3 est une vue schématique de dessus d'une installation de remontée mécanique équipée de sièges selon un mode particulier de réalisation de l'invention, - la
figure 4 est une vue de profil d'un siège de remontée mécanique selon un autre mode de réalisation de l'invention, - la
figure 5 est une vue d'un détail de lafigure 4 , - la
figure 6 est une vue de profil d'un siège de remontée mécanique selon un mode particulier de réalisation de l'invention, - la
figure 7 est une vue d'un détail de lafigure 6 , - la
figure 8 est une vue schématique d'une rampe d'une installation de remontée mécanique comprenant au moins un siège selon ce mode particulier de réalisation de l'invention, - la
figure 9 est une vue schématique et de dessus d'une installation de remontée mécanique comprenant au moins un siège selon ce mode particulier de réalisation de l'invention.
- The
figure 1 is a side view of a lift seat according to a particular embodiment of the invention, - The
figure 2 is a view of a detail of thefigure 1 illustrating a magnetic locking device mounted on a mechanical lift seat according to a particular embodiment of the invention, - The
figure 3 is a schematic top view of a ski lift installation equipped with seats according to a particular embodiment of the invention, - the
figure 4 is a side view of a mechanical lift seat according to another embodiment of the invention, - the
figure 5 is a view of a detail of thefigure 4 , - the
figure 6 is a side view of a lift seat according to a particular embodiment of the invention, - the
figure 7 is a view of a detail of thefigure 6 , - the
figure 8 is a schematic view of a ramp of a ski lift installation comprising at least one seat according to this particular embodiment of the invention, - the
figure 9 is a schematic view from above of a ski lift installation comprising at least one seat according to this particular embodiment of the invention.
La
Le siège 1 de remontée mécanique est suspendu à un câble 7 aérien et tracteur par une suspente 8. Le câble 7 est porté par des pylônes, non représentés sur les différentes figures. Le siège 1 comporte une armature 9 à laquelle est liée la suspente 8. Le câble 7 forme une boucle fermée et est entraîné par des poulies 10, 11.The
Comme cela est visible sur la
La liaison pivot P1 autorise un mouvement de rotation du garde-corps 14, selon l'axe même de la liaison pivot P1. La rotation du garde-corps 14 s'effectue entre deux positions d'utilisation extrêmes du garde-corps 14 : une position d'utilisation dite « abaissée », et une position d'utilisation dite « relevée ». Lorsque le garde-corps 14 est dans la position abaissée, celui-ci délimite un espace clos correspondant à un espace de sécurité à l'intérieur duquel sont situés les passagers pendant le trajet du siège 1 hors des zones d'embarquement 5 et de débarquement 6. Ainsi, le garde-corps occupant une position abaissée contribue à la sécurité des passagers, en prévenant le risque de basculement vers l'avant du siège 1 des passagers, et donc leur chute. Lorsque le garde-corps 14 est dans une position d'utilisation relevée, celui-ci libère l'espace à l'avant et sur les côtés du siège 1. Il est ainsi possible aux passagers de quitter l'assise 13 en se mouvant en avant du siège 1, ou de prendre place sur le siège 1 en se plaçant en avant de celui-ci. C'est notamment le cas lorsque le siège 1 parcourt une zone d'embarquement 5 ou une zone de débarquement 6.The pivot connection P1 allows a rotational movement of the
Le siège 1 de remontée mécanique comporte également des moyens de verrouillage du garde-corps 14, lorsque le garde-corps 14 occupe une position abaissée. Cela permet d'augmenter de manière importante la sécurité des passagers, en les empêchant de soulever le garde-corps 14 une fois celui-ci mis en position abaissée pour sécuriser le trajet du siège 1 entre les stations d'extrémité 3, 4. Les moyens de verrouillage comprennent notamment un organe 20 magnétique et un organe 15 magnétisable. Cela permet de s'affranchir des contraintes habituellement rencontrées avec les moyens de verrouillage comprenant uniquement des moyens mécaniques de verrouillage du garde-corps, à savoir une structure complexe, difficilement adaptable aux sièges de remontée mécanique en raison de cette complexité et du fait des modifications structurelles imposées au garde-corps, et présentant un poids relativement important engendrant une usure rapide des sièges 1 équipés des ces moyens de verrouillage.The
Comme cela est montré sur la
Les moyens de verrouillage comportent également une bascule 16. Dans le mode de réalisation décrit, la bascule 16 comporte un organe de blocage 17 et l'organe 15 magnétisable. L'organe de blocage 17 et l'organe 15 magnétisable constituent respectivement les extrémités 16a, 16b de la bascule 16.The locking means also comprise a
Des moyens de rappel, par exemple un ressort de traction 18, peuvent être placés entre l'extrémité 16a (organe de blocage 17) de la bascule 16 et l'armature 9 du siège 1. La fonction du ressort de traction 18 sera détaillée ci-après.Returning means, for example a
Comme cela est visible sur la
L'organe de blocage 17 est lié à l'armature 9 par une liaison pivot P2. L'axe de rotation de l'organe de blocage 9 est sensiblement parallèle à l'axe de rotation du garde-corps 14. La liaison pivot P2, selon le principe de toute bascule, est située sur une partie intermédiaire de la bascule 16, entre les extrémités 16a et 16b.The locking
L'organe 15 magnétisable (extrémité 16b) peut être fixé à l'organe de blocage 17 par des vis, des boulons ou des rivets. Une plaque de renfort 19 est placée contre l'organe 15 magnétisable, qu'elle recouvre partiellement. La plaque de renfort 19 est disposée sur la partie supérieure de l'organe 15 magnétisable, c'est-à-dire la partie de l'organe 15 magnétisable proche de la liaison pivot P2. La partie inférieure de l'organe 15 magnétisable n'est pas recouverte par la plaque de renfort 19. La plaque de renfort 19 est placée du côté de l'organe 15 magnétisable orienté vers le dossier 12. Ainsi, l'organe 15 magnétisable conserve sa flexibilité dans un sens uniquement, correspondant à un sens sensiblement opposé à celui du déplacement du siège 1.The magnetizable member (
Comme cela est visible sur la
Les moyens de verrouillage comportent également un organe 20 magnétique. L'organe 20 magnétique est un aimant permanent. L'organe 20 magnétique est fixé à l'armature 9 du siège 1 de remontée mécanique. L'organe 20 magnétique est destiné à coopérer avec l'organe 15 magnétisable pour participer au verrouillage du garde-corps 14 en position abaissée. Ainsi, l'organe 20 magnétique est situé sensiblement à égale distance de la liaison pivot P2 que la partie inférieure de l'organe 15 magnétisable avec laquelle il coopère.The locking means also comprise a magnetic member. The
Il est à noter que l'organe 20 magnétique intègre un électroaimant, par exemple une bobine 21. La bobine 21 est connectée électriquement à des conducteurs électriques 22, 23, tels que décrits dans le document
Lorsque le siège 1 de remontée mécanique quitte une zone d'embarquement 5, les passagers assis sur l'assise 13 abaissent le garde-corps 14. Comme cela est montré sur la
A ce stade, le garde-corps 14 n'a pas encore atteint sa position abaissée et n'est pas encore verrouillé.At this stage, the
En continuant d'abaisser le garde-corps 14, l'organe 15 magnétisable fléchit, jusqu'à permettre le franchissement de l'extrémité 16a de la bascule 16 par l'ergot 24. L'ergot 24 se retrouve ainsi de l'autre côté de l'organe de blocage 17, contre la paroi 17a de celui-ci.Continuing to lower the
A ce stade, le garde-corps 14 est verrouillé dans sa position abaissée. Il n'est plus possible aux passagers de le soulever. En effet, l'organe de blocage 17 agit à la manière d'un cliquet anti-retour. L'organe de blocage 17 contribue à empêcher le soulèvement du garde-corps 14 de sa position abaissée. Si l'un des passagers, intentionnellement ou accidentellement, exerce un effort tendant à soulever le garde-corps 14, la paroi 17a, contre laquelle est plaqué l'ergot 24, bloque la rotation du garde-corps 14. La bascule 16 ne peut pas pivoter, dans la mesure où son extrémité 16b est solidarisée de l'armature 9 par la coopération de l'élément 15 magnétisable et de l'organe 20 magnétique. La bascule 16 ne peut pas fléchir non plus, puisque la plaque de renfort 19 plaquée contre l'élément 15 magnétisable empêche le fléchissement de celui-ci dans un sens correspondant au sens d'avancée du siège 1 de remontée mécanique. Ainsi, l'extrémité 16a de la bascule 16 constitue un obstacle infranchissable placé sur le trajet retour de l'ergot 24. Il est impossible pour les passagers de faire quitter au garde-corps 14 sa position abaissée.At this point, the
Lorsque le siège 1 de remontée mécanique arrive au niveau d'une zone de débarquement 6, les conducteurs électriques 22, 23 entrent en contact avec un dispositif de brosses conductrices soumises à une tension électrique, tel que décrit dans le document
Dès lors, le garde-corps 14 n'est plus verrouillé. Il suffit en effet aux passagers de le soulever pour qu'il quitte sa position abaissée et pivote autour de l'axe de la liaison pivot P1 vers une position relevée. Lorsque le garde-corps 14 est soulevé, l'ergot 24 exerce une force sur la paroi 17a de l'organe de blocage 17 (extrémité 16a de la bascule 16). L'extrémité 16b de la bascule 16 n'étant plus solidarisée à l'organe 20 magnétique et étant libre de se mouvoir, la force exercée par l'ergot 24 lors du soulèvement du garde-corps 14 provoque la rotation contrainte de la bascule 16 autour de l'axe de rotation de la liaison pivot P2, jusqu'à ce que l'ergot 24 ait de nouveau franchi l'obstacle constitué par l'organe de blocage 17 (extrémité 16a de la bascule 16). Le garde-corps 14 peut continuer sa rotation jusqu'à atteindre une position extrême relevée. La surface inclinée de la paroi 17a par rapport à la paroi 17b favorise le retour de l'ergot 24 de l'autre côté de l'organe de blocage 17. La surface inclinée de la paroi 17a permet également de limiter la course de l'extrémité 16b nécessaire au franchissement de l'organe de blocage 17 par l'ergot 24.Therefore, the
Dès que le siège 1 de remontée mécanique quitte la zone de débarquement 6 ou d'embarquement 5, le contact électrique entre le dispositif de brosses conductrices et les conducteurs électriques 22, 23 est rompu. Ainsi, la bobine 21 n'est plus alimentée électriquement. Le champ magnétique de l'organe 20 magnétique s'impose de nouveau. De ce fait, l'abaissement du garde-corps 14 jusqu'à une position extrême abaissée conduit de nouveau au verrouillage de celui-ci.As soon as the
Selon un autre mode particulier de réalisation, illustré aux
Il est à noter que les références restent inchangées pour les éléments communs aux différentes modes de réalisation décrits.It should be noted that the references remain unchanged for the elements common to the different embodiments described.
L'organe 20 magnétique est ici fixé sous le siège 1, par exemple sous l'assise 13.The
L'organe 15 magnétisable est ici relié à une première extrémité 31 d'une bascule 30.The
La bascule 30 est mobile en rotation par rapport au siège 1. Comme cela est visible sur la
La bascule 30 comprend une deuxième extrémité 32. La deuxième extrémité 32 est conformée pour recevoir et verrouiller un élément de garde-corps, par exemple un ergot 34 rattaché au garde-corps 14. Plus précisément, l'ergot 34 peut être rattaché au marchepied du garde-corps 14.The
Comme cela est visible sur la
La deuxième extrémité 32 comprend ici une surface d'appui 35 et une surface de blocage 36. La surface d'appui 35 et la surface de blocage 36 sont agencées pour délimiter un logement 37. Le logement 37 est destiné à recevoir l'ergot 34.The
La bascule 30 peut pivoter entre une position de réception de l'ergot 34, dans laquelle le logement 37 est positionné de manière à recevoir l'ergot 34, et une position de verrouillage du garde-corps 14, dans laquelle l'organe 15 magnétisable est en appui contre l'organe 20 magnétique.The
En position de réception, la surface d'appui 35 est disposée sur la trajectoire de l'ergot 34, tandis que la surface de blocage 36 est à distance de cette trajectoire. En position de blocage, la surface de blocage 36 est située en travers de la trajectoire de l'ergot 34.In the receiving position, the bearing
Des moyens de rappel, par exemple un ressort de torsion 38, sont agencés pour s'opposer à la rotation de la bascule 30 de sa position de réception à sa position de verrouillage. Le ressort de torsion 38 comprend ici une première extrémité 39, destinée à venir en appui contre un deuxième ergot 40 rattaché à la bascule 30, et une deuxième extrémité 41, destinée à venir en appui contre un troisième ergot 42 rattaché au flasque 33.Returning means, for example a
En fonctionnement, partant d'une situation initiale dans laquelle le siège 1 est dans une zone d'embarquement 5, le garde-corps 14 est dans une position relevée et la bascule 30 dans une position de réception de l'ergot 34.In operation, starting from an initial situation in which the
Lorsque le siège 1 quitte la zone d'embarquement 5, l'abaissement du garde-corps 14 depuis sa position relevée vers sa position abaissée par le ou les passagers du siège 1 provoque le déplacement de l'ergot 34 en direction de la deuxième extrémité 32 de la bascule 30.When the
L'ergot 34, s'engageant dans le logement 37 et prenant appui contre la surface d'appui 35, entraîne la rotation de la bascule 30 autour de la liaison pivot P2. Cette rotation a pour conséquence l'élévation de la première extrémité 31, jusqu'à la mise en contact de l'organe 15 magnétisable, rattaché à cette première extrémité 31, avec l'organe 20 magnétique d'une part, et le déplacement de la surface de blocage 36 en travers de la trajectoire retour de l'ergot 34 d'autre part.The
La coopération de l'organe 15 magnétisable et de l'organe 20 magnétique immobilise la bascule 30. Le garde-corps 14 est verrouillé en position abaissée.The cooperation of the magnetizable member and the magnetic member immobilizes the
En effet, l'ergot 34 est prisonnier du logement 37. La surface de blocage 36 empêche le déplacement inverse de l'ergot 34, correspondant au déplacement du garde-corps 14 depuis sa position abaissée vers sa position relevée.Indeed, the
Lorsque le siège 1 parvient en zone de débarquement 6, la bobine 21 est alimentée et neutralise le champ magnétique de l'organe 20 magnétique. L'organe 15 magnétisable peut être désolidarisé de l'organe 20 magnétique. La bascule 30 n'est plus immobilisée. Le ou les passagers peuvent soulever le garde-corps 14 depuis sa position abaissée vers sa position relevée pour quitter le siège 1. Au cours de cette opération, l'ergot 34 vient en appui contre la surface de blocage 36 et provoque ainsi la rotation de la bascule 30, facilitée par le ressort de torsion 38.When the
Selon un mode particulier de réalisation illustré aux
On notera que, pour ce mode de réalisation, l'organe 20 magnétique est dépourvu de bobine 21 destinée à être alimentée électriquement. Le champ magnétique de l'organe 20 magnétique ne peut donc pas être neutralisé. En outre, le siège 1 ne comporte pas non plus de conducteurs électriques 22, 23.Note that for this embodiment, the
Selon ce mode particulier de réalisation, les moyens de déverrouillage mécanique comprennent un levier 50 et des moyens de commande du levier 50.According to this particular embodiment, the mechanical unlocking means comprise a
Le levier 50 est monté pivotant par rapport au siège 1. Il peut être relié au siège 1 (ou au flasque 33) par une liaison pivot P3. Le levier 50 comprend une première extrémité 51 et une deuxième extrémité 52. La première extrémité 51 est agencée pour prendre appui contre l'organe 15 magnétisable lorsque ce dernier est au contact de l'organe 20 magnétique.The
Comme cela est visible sur la
La bascule de commande 54 est montée pivotante par rapport à la suspente 8, par l'intermédiaire d'une liaison pivot P3. La bascule de commande 54 comprend une première extrémité 56 et une deuxième extrémité 57. La première extrémité 56 est reliée au câble 53 de commande mécanique (qui est en outre relié à la deuxième extrémité 52 du levier). La deuxième extrémité 57 est destinée à être déplacée par le biais d'une rampe 58 qui sera décrite plus en détails ci-après. Cette deuxième extrémité 57 comprend un organe d'appui, par exemple un galet 59 monté pivotant sur cette deuxième extrémité 57.The
Le ressort de compression 55 est rattaché d'une part à la suspente 8, et d'autre part à la bascule de commande 54. Dans l'exemple de la
L'installation 60 de remontée mécanique comprend au moins une rampe 58 agencée sur la trajectoire du galet 59, comme cela est visible sur la
La rampe 58 comprend au moins une partie oblique 61 pour provoquer la rotation de la bascule de commande 54. Selon l'exemple de la
En fonctionnement, le verrouillage du garde-corps 14 est réalisé similairement au mode de réalisation illustré aux
Lorsque le siège 1 parvient à l'entrée ou dans une zone de débarquement 6, le galet 59 entre en appui contre et sous la rampe 58, comme cela est représenté sur la
La rotation du levier 50 provoque la mise en appui de sa première extrémité 51 contre l'organe 15 magnétisable, jusqu'à présent solidaire de l'organe 20 magnétique. La première extrémité 51 exerce sur l'organe 15 magnétisable une force tendant à l'écarter de l'organe 20 magnétique. Cette force est suffisante pour que se crée un entrefer entre l'organe 15 magnétisable et l'organe 20 magnétique. Cet entrefer permet de désolidariser l'organe 15 magnétisable et l'organe 20 magnétique lorsqu'un passager soulève le garde-corps 14. Ainsi peut être déverrouillé le garde-corps 14.The rotation of the
Lorsque le galet 59 quitte la partie intermédiaire 63 de la rampe 58, la bascule de commande 54 pivote en sens inverse sous l'effet du ressort de compression 55. Le levier 50 pivote également en sens inverse. Sa première extrémité 51 s'éloigne de l'organe 15 magnétisable. La position du levier 50 permet donc de nouveau la mise en contact de l'organe 15 magnétisable avec l'organe 20 magnétique pour le verrouillage du garde-corps 14.When the
Ainsi, le siège 1 de remontée mécanique présente des moyens de verrouillage magnétiques empêchant le soulèvement du garde-corps 14 une fois celui-ci placé dans une position extrême abaissée lors du trajet du siège 1 hors d'une zone d'embarquement 5 ou de débarquement 6, et autorisant le soulèvement du garde-corps 14 jusqu'à une position extrême relevée lors du trajet du siège 1 dans une zone d'embarquement 5 ou de débarquement 6.Thus, the
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 la substitution d'équivalents techniques, sans sortir pour autant 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, particularly from the point of view of the constitution of the various elements or by the substitution of technical equivalents, without departing from the scope of protection of the invention.
Ainsi, les sièges 1 de remontée mécanique peuvent être débrayables ou non.Thus, the
Claims (20)
- A ski lift seat (1) including a frame (9) and a restraining bar (14) able to occupy a first extreme lowered position delimiting an enclosed space allowing to prevent the fall of a passenger and a second extreme raised position in which the restraining bar (14) liberates the space at the front of the seat (1) to allow the disembarkment of one or several passenger(s), characterized in that the ski lift seat (1) includes means for locking the restraining bar (14) when the latter occupies a lowered position, the locking means including a first magnetic member (20) fastened on the frame (9) cooperating with a second magnetizable member (15) for maintaining the restraining bar (14) in a lowered position.
- The ski lift seat (1) according to claim 1, characterized in that the locking means include a rocker (16) linked to the frame (9) of the seat (1) by a pivot connection (P2).
- The ski lift seat (1) according to claim 2, characterized in that the rocker (16, 30) includes two ends (16a) and (16b) respectively constituted by a blocking member (17) and the magnetizable member (15).
- The ski lift seat (1) according to claim 3, characterized in that the restraining bar (14) includes stop means intended to abut against the blocking member (17) and in that the magnetizable member (15) is able to bend when it is in contact with the magnetic member (20).
- The ski lift seat (1) according to any one of claims 2 to 4, characterized in that the rocker (16) includes reinforcement means able to rigidify the magnetizable member (15), such that the magnetizable member (15) is able to bend in only one direction.
- The ski lift seat (1) according to any one of claims 2 to 5, characterized in that the seat (1) includes return means connected to the end (16a) of the rocker (16) and to the frame (9) of the seat (1).
- The ski lift seat (1) according to any one of claims 3 to 6, characterized in that the blocking member (17) comprises two walls (17a) and (17b), the wall (17b) being oriented on the side of the frame (9), and the wall (17a) having an edge delimiting two surfaces of the wall (17a), a surface parallel to the wall (17b) and a surface inclined with respect to the wall (17b) and adjacent to the wall (17b).
- The ski lift seat (1) according to claim 2, characterized in that the rocker (30) and the magnetic member (20) are located under the seat (1).
- The ski lift seat (1) according to claim 8, characterized in that the rocker (30) comprises a first end (31) on which the magnetizable member (15) is fixed and a second end (32) shaped to receive and lock a restraining bar element.
- The ski lift seat (1) according to claim 9, characterized in that the second end (32) comprises a supporting surface (35) and a blocking surface (36), the supporting surface (35) and the blocking surface (36) delimiting a housing (37) intended to receive the restraining bar element.
- The ski lift seat (1) according to claim 9 or 10, characterized in that it comprises return means opposing the movement of the second end (32) of the rocker (30) in the direction of the magnetic member (20).
- The ski lift seat (1) according to any of claims 1 to 11, characterized in that the magnetic member (20) includes an electromagnet electrically connected to electrical conductors (22, 23) onboard the ski lift seat (1).
- The ski lift seat (1) according to any of claims 8 to 11, characterized in that it comprises means for mechanically unlocking the restraining bar (14).
- The ski lift seat (1) according to claim 13, characterized in that the mechanical unlocking means comprise a lever (50) and lever (50) control means.
- The ski lift seat (1) according to claim 14, characterized in that the lever (50) control means comprise a movable control member attached to a hanger (8) of the seat (1), a mechanical control cable (53) connected to the movable control member and to the lever (50), and return means opposing the movement of the movable control member toward an actuating position of the lever (50) in which the mechanical control cable (53) draws the lever (50).
- The ski lift seat (1) according to claim 15, characterized in that the movable control member comprises a control rocker (54) pivotally mounted on the hanger (8), the control rocker (54) comprising a first end (56) to which the mechanical control cable (53) is attached and a second end (57) comprising a supporting member intended to abut against a ramp (58).
- The ski lift seat (1 ) according to claim 16, characterized in that the supporting member is a roller (59) pivotally mounted on the second end (57).
- The ski lift seat (1) according to any one of claims 1 to 17, characterized in that the magnetic member (20) is a permanent magnet.
- The ski lift seat (1) according to any one of claims 1 to 18, characterized in that the magnetizable member (15) is a metal plate.
- A ski lift installation (2), in particular of the chair lift type, comprising at least one ski lift seat (1) according to any of claims 1 to 19.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR1060742A FR2969100B1 (en) | 2010-12-17 | 2010-12-17 | MECHANICAL REVERSE SEAT WITH MAGNETIC LOCKING OF BODYWORK |
PCT/FR2011/052662 WO2012080603A1 (en) | 2010-12-17 | 2011-11-16 | Ski lift seat having a magnetic lock for a restraining bar |
Publications (2)
Publication Number | Publication Date |
---|---|
EP2651737A1 EP2651737A1 (en) | 2013-10-23 |
EP2651737B1 true EP2651737B1 (en) | 2014-11-26 |
Family
ID=44259639
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP11794557.6A Active EP2651737B1 (en) | 2010-12-17 | 2011-11-16 | Ski lift seat having a magnetic lock for a restraining bar |
Country Status (11)
Country | Link |
---|---|
US (1) | US9499176B2 (en) |
EP (1) | EP2651737B1 (en) |
JP (1) | JP5876504B2 (en) |
KR (1) | KR101881964B1 (en) |
CN (1) | CN103313899B (en) |
CA (1) | CA2820145C (en) |
ES (1) | ES2531140T3 (en) |
FR (1) | FR2969100B1 (en) |
RU (1) | RU2586427C2 (en) |
UA (1) | UA108771C2 (en) |
WO (1) | WO2012080603A1 (en) |
Families Citing this family (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2969100B1 (en) | 2010-12-17 | 2013-01-11 | Sommital | MECHANICAL REVERSE SEAT WITH MAGNETIC LOCKING OF BODYWORK |
FR2982564B1 (en) * | 2011-11-16 | 2014-01-03 | Sommital | MECHANICAL REMOTE VEHICLE |
FR2992276B1 (en) * | 2012-06-20 | 2014-07-18 | Sommital | MECHANICAL REHABILITATION SEAT AND INSTALLATION EQUIPPED WITH THIS SEAT |
FR3003222B1 (en) * | 2013-03-14 | 2016-09-09 | Sommital | MECHANICAL REMOTE VEHICLE AND INSTALLATION COMPRISING THIS VEHICLE |
JP6499838B2 (en) * | 2014-08-25 | 2019-04-10 | 独立行政法人自動車技術総合機構 | Safety bar warning device and warning method for chair type carriage of cableway |
AT516705B1 (en) * | 2015-04-02 | 2016-08-15 | Innova Patent Gmbh | Device for locking a pivotable protective device for a chairlift |
JP1547754S (en) * | 2015-04-21 | 2016-04-11 | ||
JP1547755S (en) * | 2015-04-21 | 2016-04-11 | ||
AT517204B1 (en) * | 2015-07-09 | 2016-12-15 | Innova Patent Gmbh | Armchair for a chairlift |
IT202000018013A1 (en) | 2020-07-24 | 2022-01-24 | Leitner Spa | CHAIR FOR AN AIRCRAFT TRANSPORT SYSTEM |
Family Cites Families (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2422536A1 (en) * | 1978-04-10 | 1979-11-09 | Sigma Plastique | FOLDING AND QUICKLY REMOVABLE SHELF FOR CHAIR SEAT |
US4763937A (en) * | 1986-09-11 | 1988-08-16 | Sittnick Jr Ralph A | Electromagnetic door lock system |
US5038128A (en) * | 1989-07-17 | 1991-08-06 | P S P "Metalsnab" | Magnetic gripper |
US6494145B2 (en) * | 2000-09-15 | 2002-12-17 | Joseph F. Kernan | Automatic crossbar on ski chair-lift for facilitating passenger dismount |
AT503887B1 (en) * | 2006-04-13 | 2008-08-15 | Innova Patent Gmbh | ARMCHAIR OF A SESSEL WITH ANTI-ABRUTSCHUICHERUNG |
FR2901524B1 (en) * | 2006-05-24 | 2008-07-18 | Noel Blandon | SAFETY SYSTEM FOR A SEAT OF A MECHANICAL UPPER INSTALLATION AND METHOD OF IMPLEMENTING SAID SYSTEM |
ITMI20070157U1 (en) * | 2007-04-20 | 2008-10-21 | Rolic Invest Sarl | CHAIRLIFT |
AT505696A3 (en) * | 2007-08-30 | 2011-06-15 | Innova Patent Gmbh | DRIVING EQUIPMENT OF A LIFTING ELEVATOR OR A CABLE CAR |
AU2008230019A1 (en) * | 2007-10-24 | 2009-05-14 | Assa Abloy Australia Pty Limited | A Self Latching Latch |
AT507379B1 (en) * | 2008-10-09 | 2010-09-15 | Innova Patent Gmbh | ARMCHAIR FOR ARMCHAIR |
FR2937937B1 (en) * | 2008-10-30 | 2010-12-10 | Pomagalski Sa | DEVICE FOR AUTOMATIC TRANSPORT OF LUGES ON A CABLE TELEPORTER |
FR2937938A1 (en) | 2008-11-05 | 2010-05-07 | Sommital | INSTALLATION OF MECHANICAL REMONTEE |
FR2969100B1 (en) | 2010-12-17 | 2013-01-11 | Sommital | MECHANICAL REVERSE SEAT WITH MAGNETIC LOCKING OF BODYWORK |
-
2010
- 2010-12-17 FR FR1060742A patent/FR2969100B1/en not_active Expired - Fee Related
-
2011
- 2011-11-16 RU RU2013132386/11A patent/RU2586427C2/en not_active IP Right Cessation
- 2011-11-16 WO PCT/FR2011/052662 patent/WO2012080603A1/en active Application Filing
- 2011-11-16 EP EP11794557.6A patent/EP2651737B1/en active Active
- 2011-11-16 UA UAA201307443A patent/UA108771C2/en unknown
- 2011-11-16 ES ES11794557T patent/ES2531140T3/en active Active
- 2011-11-16 US US13/994,989 patent/US9499176B2/en active Active
- 2011-11-16 KR KR1020137018612A patent/KR101881964B1/en active IP Right Grant
- 2011-11-16 JP JP2013543852A patent/JP5876504B2/en not_active Expired - Fee Related
- 2011-11-16 CN CN201180060884.4A patent/CN103313899B/en not_active Expired - Fee Related
- 2011-11-16 CA CA2820145A patent/CA2820145C/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
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KR101881964B1 (en) | 2018-07-25 |
JP2014503413A (en) | 2014-02-13 |
UA108771C2 (en) | 2015-06-10 |
EP2651737A1 (en) | 2013-10-23 |
JP5876504B2 (en) | 2016-03-02 |
WO2012080603A1 (en) | 2012-06-21 |
ES2531140T3 (en) | 2015-03-11 |
CA2820145A1 (en) | 2012-06-21 |
CA2820145C (en) | 2019-04-02 |
CN103313899B (en) | 2016-04-06 |
CN103313899A (en) | 2013-09-18 |
FR2969100A1 (en) | 2012-06-22 |
RU2586427C2 (en) | 2016-06-10 |
US9499176B2 (en) | 2016-11-22 |
FR2969100B1 (en) | 2013-01-11 |
RU2013132386A (en) | 2015-01-27 |
US20130269567A1 (en) | 2013-10-17 |
KR20130125793A (en) | 2013-11-19 |
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