US20230057771A1 - Cable-car Support Comprising a Climb-over Apparatus - Google Patents
Cable-car Support Comprising a Climb-over Apparatus Download PDFInfo
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- US20230057771A1 US20230057771A1 US17/594,013 US202017594013A US2023057771A1 US 20230057771 A1 US20230057771 A1 US 20230057771A1 US 202017594013 A US202017594013 A US 202017594013A US 2023057771 A1 US2023057771 A1 US 2023057771A1
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- cableway
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61B—RAILWAY SYSTEMS; EQUIPMENT THEREFOR NOT OTHERWISE PROVIDED FOR
- B61B12/00—Component parts, details or accessories not provided for in groups B61B7/00 - B61B11/00
- B61B12/06—Safety devices or measures against cable fracture
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- 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
-
- 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
- B61B12/02—Suspension of the load; Guiding means, e.g. wheels; Attaching traction cables
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
- E04H12/00—Towers; Masts or poles; Chimney stacks; Water-towers; Methods of erecting such structures
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- Train Traffic Observation, Control, And Security (AREA)
Abstract
In order to make it easier to access an access unit (4) of a cableway support (1) of a cableway (2), according to the invention a climb-over apparatus (15) for persons to climb over from a cable car (7) of the cableway (2) onto the access unit (4) or vice versa is provided on the cableway support (1), wherein the climb-over apparatus (15) is positioned on the cableway support (1) by means of a fastening unit (21) so as to be movable relative to the access unit (4), wherein the climb-over apparatus (15) can be displaced relative to the access unit (4) from a rest position (RP), in which the climb-over apparatus (15) is stowed on the access unit (4), into a standby position (BP), which is provided for performing the climb-over action.
Description
- The present teaching relates to a cableway support of a cableway with an access unit for people to gain access. The present teaching also relates to a cableway with a number of cableway supports for guiding a conveyor cable of the cableway and with at least one cable car arranged on the conveyor cable, as well as a method for carrying out a climb-over from a cable car to the access unit or vice versa.
- Cableways are available in a wide variety of designs, mostly for transporting people and/or goods, for example as urban means of transport or for transporting people in ski areas. Funiculars are known in which mostly rail-bound vehicles are fastened to a wire cable in order to be pulled by the wire cable. The movement takes place on the ground, with funiculars mostly used on mountain routes. In the case of aerial cableways, on the other hand, cable cars such as gondolas, cabins or chairs are carried by one or more (wire) cables without fixed guides and moved while hanging in the air. The cable cars therefore have no contact with the ground. Aerial cableways are usually used in rough terrain, mostly for mountain routes, for example in ski areas, to transport people from the valley to a mountain. As a rule, cableways have two stations between which the cable cars are moved.
- A distinction must be made between circulating cableways and aerial cableways. In the case of aerial cableways, one or two cable cars pulled by a traction cable commute back and forth on a conveyor cable on a route between two stations. The circulating cable car, on the other hand, has an endless conveyor cable which is constantly circulating between the stations and on which a large number of cable cars such as gondolas, cabins or chairs are suspended. The cable cars are moved from one station to the other on one side and back again on the opposite side. The movement of the cable cars is therefore always substantially continuous in one direction, analogous to a continuous conveyor.
- In order to be able to bridge greater distances, one or more cableway supports for guiding the (carrying/traction) cable(s) are usually arranged between the two stations. Cableway supports can be designed as a steel framework construction, but also as a steel tube or sheet metal box construction. A plurality of rollers, for example in the form of a so-called roller set, are usually arranged on a cableway support in order to carry and guide the cable. In order to be able to carry out maintenance and repairs on the cableway supports, in particular on the rollers, access units are often provided on the cableway supports. Such access units can be designed, for example, in the form of (maintenance) platforms and/or steps and can be accessed by maintenance personnel. In addition, safety devices, for example railings, can also be provided in order to increase the safety for the maintenance personnel.
- Depending on the purpose and terrain, cableway supports can have a height that is between a few meters and more than 150 m. Until now, entry to the access units for the cableway supports was only possible via ladders from the ground. However, due to the often impassable terrain and especially because of the sometimes great heights of the cableway supports, such entry is very difficult and time-consuming.
- It is therefore an object of the present teaching to enable easier entry to an access unit of a cableway support of a cable car.
- The object is achieved according to the present teaching in that a climb-over apparatus is provided on the cableway support for people to climb over from a cable car of the cableway to the access unit or vice versa, wherein the climb-over apparatus is arranged on the cableway support by means of a fastening unit so as to be movable relative to the access unit, wherein the climb-over apparatus can be moved relative to the access unit from a rest position in which the climb-over apparatus is stowed on the access unit into a standby position which is provided for performing the climb-over. This enables entry to the access unit directly from a cable car, which entry is significantly less strenuous and less time-consuming for maintenance personnel than via a ladder from the ground.
- A locking unit for locking the climb-over apparatus in the rest position is preferably provided on the cableway support. This makes it possible to reduce the risk of the climb-over apparatus coming loose in an undesirable manner, for example during operation of the cable car.
- A mechanically, hydraulically or electrically actuatable locking unit enables flexible options for actuating the locking unit.
- Advantageously, an actuating unit for actuating the locking unit is provided on the cableway support in order to release the locking of the climb-over apparatus in the rest position, in order to move the climb-over apparatus from the rest position into the standby position, wherein the actuating unit preferably has at least one first lever element in order to actuate the locking unit from a cable car, wherein the actuating unit particularly preferably also has a second lever element in order to actuate the locking unit from the access unit. According to a further advantageous embodiment, the actuating unit can also have an actuating means in the form of a cable pull or a flexible shaft. This creates flexible options for simple actuation of the locking unit.
- It is advantageous if the climb-over apparatus has a braking device in order to brake a movement of the climb-over apparatus from the rest position into the standby position caused by gravity, wherein the braking device is preferably mechanical, hydraulic or pneumatic. This can increase safety and can reduce the risk of injury to people.
- The cableway support preferably has at least one sensor element which is provided to detect a position of the climb-over apparatus, in particular to detect whether the climb-over apparatus is in the rest position, wherein the sensor element generates a sensor value that can be transmitted to a system control unit of the cableway. The sensor element can also be provided to detect a locked state of the locking unit, in particular whether the climb-over apparatus is locked in the rest position by means of the locking unit. This further increases safety, since it enables reliable detection of the position and/or the locked state of the climb-over apparatus.
- The climb-over apparatus preferably has at least one step element and/or holding element for a person to step onto and/or to hold onto. This makes it easier for people to cross over and increases safety.
- It is also advantageous if a length of the climb-over apparatus can be changed in order to adapt the length of the climb-over apparatus to a variable distance between the access unit and the cable car, wherein the climb-over apparatus is particularly preferably designed as a ladder, preferably as a telescopic ladder, wherein the at least one step element and/or holding element is a rung of the ladder.
- A railing is preferably provided on the access unit and the climb-over apparatus in the rest position forms part of the railing, whereby safety can be increased.
- The object is further achieved in that the climb-over apparatus is arranged on at least one cableway support of a cableway, wherein a climb-over apparatus is preferably arranged on each of a plurality of cableway supports.
- The cableway advantageously has a system control unit for controlling the cableway, wherein the system control unit is provided to process the sensor value of the sensor element in order to switch off the cableway or to generate a warning signal and to output it via a signaling device when the sensor element detects a position of the climb-over apparatus which deviates from the rest position and/or when the sensor element detects an unlocked state of the climb-over apparatus in the locking unit. By communication of the sensor of the climb-over apparatus with the system control unit it is possible to switch off the cableway depending on the position and/or the locked state of the climb-over apparatus or to at least to emit a warning signal.
- The object is also achieved by the method referred to at the beginning, wherein the cable car is moved into a climb-over position, from the cable car or from the access unit the climb-over apparatus of the cableway support is moved from the rest position into the standby position, a person climbs over from the cable car via the climb-over apparatus to the access unit or vice versa, and from the access unit or from the cable car the climb-over apparatus is preferably moved from the standby position BP back into the rest position after the climb-over.
- The present teaching is described in greater detail below with reference to
FIGS. 1 to 5 b which show, by way of example, advantageous embodiments of the present teaching in a schematic and non-limiting manner. In the drawings: -
FIG. 1 shows a cableway support with a climb-over apparatus according to a first embodiment of the present teaching, -
FIGS. 2 a and 2 b each show a detailed view of a climb-over apparatus in the rest position, -
FIG. 3 shows a detailed view of a climb-over apparatus in the standby position, -
FIG. 4 shows a cableway support with a climb-over apparatus according to a second embodiment of the present teaching, -
FIGS. 5 a and 5 b each show a locking device for a climb-over apparatus. -
FIG. 1 shows acableway support 1 of acableway 2 with aroller set 3 and anaccess unit 4. The structure of acableway 2 is known in principle, which is why only the components essential for the present teaching are described here. Theroller set 3 has a number ofrollers 5 arranged one behind the other, on which aconveyor cable 6 of thecableway 2 is guided. Theroller set 3 is attached to thecableway support 1 in order to support the load on theconveyor cable 6, and in particular thecable car 7 arranged thereon, on the ground via thecableway support 1. A plurality ofcable cars 7 are usually suspended at a certain distance from one another on theconveyor cable 6. Acable car 7 can be fastened to theconveyor cable 6, for example, as shown, by means of areleasable clamping mechanism 8 in order to be able to decouple the cable car from theconveyor cable 6 in a station. The decoupling can take place, for example, in order to reduce the speed while travelling through the station in order to enable easier entry and exit of people. However, decoupling can also take place after a cableway has closed, for example, in order to park the cable car outside the operating hours, for example in a suitable garage. Of course, a non-decouplable connection of thecable car 7 to theconveyor cable 6 would also be possible. In the example shown, thecable car 7 is designed as a maintenance gondola. The maintenance gondola has aladder 9 via which a person can climb from the maintenance gondola onto aplatform 10 at the upper end of the maintenance gondola, for example in order to carry out certain maintenance activities. - The
access unit 4 of thecableway support 1 is designed here as a staircase which has alongitudinal beam 11 and a plurality ofsteps 12. Theaccess unit 4 can be fastened to the roller set 3 and/or to thecableway support 1 itself. In the example shown, arailing 13 is additionally provided on thesteps 12 in order to increase the safety for people when using theaccess unit 4. Of course, this is only an example, and theaccess unit 4 could also be constructed in any other way and, for example, could have only one platform with or without arailing 13. If thecableway support 1 is designed as a framework construction, theaccess unit 4 could for example also be directly a part of thecableway support 1. - A
maintenance ladder 14 is indicated schematically on thecableway support 1, and persons, in particular maintenance personnel, can climb up from the ground to theaccess unit 4 via this ladder. Of course, such amaintenance ladder 14 can also have additional safety elements, for example a type of cage, in order to secure people from falling down. Until now, entry to theaccess unit 4 has essentially only taken place viasuch maintenance ladders 14. It can be seen immediately that entry via themaintenance ladder 14 is very strenuous and time-consuming, in particular in the case of very high cableway supports 1, which is of course disadvantageous. In addition, there is the additional difficulty that cableway supports 1 are often arranged in impassable, for example steep, rocky terrain, whereby even reaching thecableway support 1 on the ground is very difficult. In addition, when using a maintenance ladder 14 a person is restricted with regard to baggage such as tools. - In order to make entry to the
access unit 4 easier for people, the present teaching therefore provides that a climb-overapparatus 15 is arranged on thecableway support 1 for a person to climb over from acable car 7 of thecableway 2 onto theaccess unit 4. The climb-overapparatus 15 is arranged pivotably on theaccess unit 4 by means of afastening unit 21 and is movable relative to theaccess unit 4 from a rest position RP, in which the climb-overapparatus 15 is stowed on theaccess unit 4, into a standby position BP, which is provided for carrying out the climb-over. InFIG. 1 , the climb-overapparatus 15 is shown in a first embodiment, the structure and mode of operation of which is explained in more detail below with reference toFIGS. 2 a, 2 b andFIG. 3 . - In
FIG. 1 the climb-overapparatus 15 is located in the standby position BP, in which the climb-over from thecable car 7, for example from theplatform 10 of the maintenance gondola, to theaccess unit 4 is made possible. Here the climb-overapparatus 15 is fastened pivotably to thelowest step 12 of theaccess unit 4, and from thecable car 7 the apparatus can be moved, in particular pivoted, out of the rest position RP (not shown) into the illustrated standby position BP for use by a person. For this purpose, thecable car 7 is moved into a climb-over position sufficiently close to theaccess unit 4 and is stopped. A person can then climb onto theplatform 10 via theladder 9 of thecable car 7, and from theplatform 10 the climb-overapparatus 15 can be hinged from the rest position RP into the standby position BP in order to reach theaccess unit 4, in this case on the staircase. Of course, the climb-over can also take place the other way around, in that from the access unit 4 a person (who is located on the access unit 4) moves the climb-overapparatus 15 from the rest position RP into the standby position BP in order to reach thecable car 7 from theaccess unit 4. - The climb-over
apparatus 15 preferably has at least one step element and/or holdingelement 16 which is suitable for being held or stepped on by a person in order to facilitate the climb-over. In an advantageous manner, the climb-overapparatus 15 can be designed, for example, as a ladder, as shown, wherein the ladder has a plurality of rungs as step elements and/or holdingelements 16. According to a further advantageous embodiment, a length of the climb-overapparatus 15 can be changed in order to be able to adapt the climb-overapparatus 15 to a variable distance between theaccess unit 4 and thecable car 7. This also makes the climb-over easier for people of different sizes and the positioning of thecable car 7 in the climb-over position can be less precise. If the climb-overapparatus 15 is designed as a ladder, the variable length can be implemented, for example, by a telescopic ladder, the structure and function of which are known. -
FIGS. 2 a and 2 b show the climb-overapparatus 15 fromFIG. 1 in detail in different perspectives in the rest position RP. For reasons of greater clarity, only part of theaccess unit 4, for example thelowest step 12, and part of therailing 13 are shown. The climb-overapparatus 15 is connected in an articulated manner to thefastening unit 21 and thefastening unit 21 is permanently connected, for example screwed, to theaccess unit 4, as shown. In the example shown, thefastening unit 21 has a left andright plate 17, between which the climb-overapparatus 15 is fastened in a pivotable manner. - A locking
unit 18 is preferably provided on thecableway support 1, in particular on theaccess unit 4 or thefastening unit 21, in order to releasably lock the climb-overapparatus 15 in the rest position RP. The lockingunit 18 can preferably be actuated mechanically, hydraulically or electrically. This can increase safety, since it is ensured that the climb-overapparatus 15 is not moved in an undesired manner from the rest position RP partially in the direction of the standby position BP or completely into the standby position. Thecableway support 1 preferably also has anactuating unit 19 for actuating thelocking unit 18 in order to release the locking of the climb-overapparatus 15 on theaccess unit 4 or thefastening unit 21, in order to be able to move the climb-overapparatus 15 from the rest position RP to the standby position BP, as symbolized by the arrow inFIG. 2 a andFIG. 2 b. - In the example shown, the locking
unit 18 andactuating unit 19 are arranged on aplate 20, but they could of course also be arranged on theaccess unit 4, for example on therailing 13. Theplate 20 is here connected to theplates 17 via a transverse strut (FIG. 2 a ), which results in an essentially one-piece fastening unit 21, which at the same time includes the lockingunit 18 and theactuating unit 19, for pivotable fastening of the climb-overapparatus 15 to theaccess unit 4. The one-piece design of thefastening unit 21 can improve the structural rigidity, and the assembly of the climb-overapparatus 15 on theaccess unit 4 can be made easier, since the entire climb-overapparatus 15, including thefastening unit 21 and the lockingunit 18 andactuating unit 19 provided thereon, is designed as a module. In addition, theplate 20 can, for example, also be fastened to theaccess unit 4, in this case to therailing 13, in order to further improve the structural rigidity. This is particularly advantageous in order to reduce vibrations during the climb-over, as a result of which the feeling of safety for the person is increased. - In
FIG. 3 , the climb-overapparatus 15 is shown in the standby position BP, in which the climb-over from thecable car 7 can take place (seeFIG. 1 ). The climb-overapparatus 15 is designed here as a ladder which is connected in an articulated manner to theplates 17 of thefastening device 21 by means of lateral brackets 22. As a result, for example, a conventional, commercially available ladder can be used as the climb-overapparatus 15, wherein the ladder is preferably made of a light, weather-resistant material with sufficient strength, for example aluminum. Of course, the climb-overapparatus 15 could also be connected in an articulated manner to thefastening unit 21 directly, that is to say without brackets 22. The use of a ladder and brackets 22, however, has the advantage that the ladder can easily be replaced, for example in the event of damage, and/or that ladders of different lengths can be used. - The actuating
unit 19 advantageously has at least onefirst lever element 24 a in order to actuate thelocking unit 18 from thecable car 7. Particularly preferably, however, the actuatingunit 19 also has asecond lever element 24 b in order to be able to actuate thelocking unit 18 also from the access unit 4 (FIG. 2 b ). In the example shown, thelever elements actuating unit 19, wherein thefirst lever element 24 a extends in the direction of the standby position BP (in this case essentially vertically downwards) and thesecond lever element 24 b extends in the direction of the rest position RP (in this case essentially vertically upwards). The actuatingunit 19 is here rotatably attached to theplate 20 and is movable between a locking position and a release position. A preloadingelement 26, such as a suitable spring, is advantageously also provided in order to preload theactuating unit 19 into the locking position in which the climb-overapparatus 15 is locked on theaccess unit 4. To release the lock, the actuatingunit 19 can be moved into the release position against a preloading force of the preloadingelement 26, wherein in the release position the climb-overapparatus 15 can be pivoted from the rest position into the standby position. - In the example shown, the locking
unit 18 is designed as anopening 25 in theactuating unit 19 which cooperates with a pin 27 (FIG. 2 b ) of the climb-overapparatus 15 in order to lock the climb-overapparatus 15 in the rest position RP on theaccess unit 4. In the example shown, thepin 27 is arranged on the outside of the left bracket 22 of the ladder and in the rest position RP in engagement with theopening 25. If the climb-overapparatus 15 is made in one piece (without the bracket 22), thepin 27 is preferably provided directly on the side of the climb-overapparatus 15. If theactuation unit 19 is actuated by one of the twolever elements element 26, theopening 25 releases thepin 27 and the climb-overapparatus 15 can be moved, in particular pivoted, from the rest position RP into the standby position BP. - Of course, the actuating
unit 19 can be designed in any other way in order to lock and hold the climb-overapparatus 15 in the rest position RP and to release the climb-overapparatus 15 when actuated. - When the climb-over
apparatus 15 is no longer required, for example after the maintenance work on the roller set 3 has been completed, the climb-overapparatus 15 is preferably moved back into the rest position RP in order not to endanger the operation of thecableway 2. This can in turn take place from thecable car 7 by manual folding of the climb-overapparatus 15 from the standby position BP back into the rest position RP. From theaccess unit 4 the climb-overapparatus 15 can also be moved back into the rest position RP, for example if a person remains on theaccess unit 4, for example in order to check or monitor certain functions of the roller set 3 during the operation of thecableway 2. In order to facilitate the folding up of the climb-overapparatus 15 from theaccess unit 4, a grip element 23 can be provided on the climb-overapparatus 15. In the example shown, the grip element 23 is designed as part of the right bracket 22, but of course other variants would also be conceivable, for example a separate grip element 23. - If a
railing 13 is provided on theaccess unit 4, the climb-overapparatus 15 advantageously forms part of therailing 13 of theaccess unit 4 in the rest position RP. - The climb-over
apparatus 15 can preferably be moved by gravity from the rest position RP into the standby position BP as soon as the locking of the lockingunit 18 is released by means of theactuating element 19. However, it can be advantageous if the climb-overapparatus 15 has a braking device (not shown) in order to brake a movement of the climb-overapparatus 15 from the rest position RP into the standby position BP caused by gravity. This can increase safety, since the climb-overapparatus 15 cannot move downwards in an uncontrolled manner and can potentially injure a person. The braking device can also be advantageous in order to avoid damage to the climb-overapparatus 15. For example, an inadmissibly high load on the articulated connection (here between the bracket 22 and plates 17) and/or damage or deformation of the climb-overapparatus 15, for example the (aluminum) ladder shown, can be prevented. The braking device is preferably designed mechanically, hydraulically or pneumatically, for example as a gas pressure spring. The braking device could, however, be implemented, for example, by a targeted increase in the friction in the joints. - Furthermore, it is advantageous if at least one limiting
element 28 is provided which limits a movement of the climb-overapparatus 15 beyond the rest position RP. In the example shown, a limitingelement 28 is arranged on the left and right, and essentially serves as an end stop for the climb-overapparatus 15. The limitingelements 28 are here fastened to the plate 20 (left) and the plate 17 (right) of the one-piece fastening device 21. Of course, another arrangement would also be conceivable, for example on theaccess unit 4, for example on therailing 13. If the limitingelements 28, as shown, each have an elastic damping element, such as a rubber element, striking of the climb-overapparatus 15 against the limiting element(s) 28 in the rest position RP can be damped. As a result, abrupt striking of thepin 27 in theopening 25 on theactuating unit 19 can be avoided, so that damage can be avoided. In addition, the damping element(s) can be used for preloading in order to preload thepin 27 in the rest position RP against a limitation of theopening 25. In this way the climb-overapparatus 15 can be prevented from moving within an existing clearance between thepin 27 and theopening 25, which could potentially lead to vibrations and rattling noises, for example caused by wind. - Furthermore, it can be advantageous if the
access unit 15 has at least onesensor element 29 which is provided to detect a position of the climb-overapparatus 15, in particular to detect whether the climb-overapparatus 15 is located in the rest position RP. Thesensor element 29 generates a sensor value which can be transmitted to a system control unit (not shown) of thecableway 2. Thesensor element 29 is particularly preferably provided to detect whether the climb-overapparatus 15 in the rest position RP is locked by means of the lockingunit 18 on theaccess unit 4. In the example shown, thesensor element 29 is designed as a so-called limit switch, which is actuated by the climb-overapparatus 15 when the climb-overapparatus 15 is in the rest position RP and generates a corresponding sensor value. The system control unit of thecableway 2 can process the sensor value and can switch off the cableway or output an alarm signal when thesensor 29 detects that the climb-overapparatus 15 is located in a position which deviates from the rest position RP. If asuitable sensor 29 is provided for detecting the locked state of the lockingunit 18, the system control unit can switch off the cableway if the sensor detects an unlocked state of the climb-overapparatus 15 in thelocking unit 18. -
FIG. 4 shows a further embodiment of acableway support 1 with a roller set 3 and aconveyor cable 6 on which acable car 7 is suspended. Analogously toFIG. 1 , thecableway support 1 has anaccess unit 4. The section of the roller set 3 to the left of thecableway support 1 is cut away inFIG. 4 for better visibility of theaccess unit 4. Theaccess unit 4 has alongitudinal beam 11 and a plurality ofsteps 12. The steps are each arranged on atransverse beam 30, here in the form of a tube, wherein thetransverse beams 30 are permanently connected to thelongitudinal beam 11. The climb-overapparatus 15 is also designed here as a ladder and is pivotably arranged on theaccess unit 4 by means of afastening unit 21. - The
fastening unit 21 here has two eyelets, which are arranged on thetransverse beam 30 of thelowest step 12, so that thetransverse beam 30 or the tube extends through the eyelets. As a result, thetransverse beam 30 is used essentially as an axis of rotation for pivoting the climb-overapparatus 15. Of course, in principle it would also be sufficient for thefastening unit 21 to have only one eyelet, but two or more eyelets are advantageous in order to produce greater stability of the connection of the climb-overapparatus 15. In particular, a lateral tilting or wobbling of the climb-overapparatus 15 during the climb-over is reduced, resulting in an increased feeling of safety. The at least one eyelet can be designed to be rigid, made for example from a suitable metal material or from a flexible material of suitable strength, such as plastics material or a textile fabric. - In the rest position RP, the climb-over
apparatus 15 is located below theaccess unit 4 and extends essentially parallel to thelongitudinal beam 11, as can be seen inFIG. 4 . The lockingunit 18 is arranged here on theaccess unit 4 and has a lockingelement 18 a which is rotatably mounted on theaccess unit 4, for example on thelongitudinal member 11. The axis of rotation in the lockingelement 18 a runs essentially parallel to thetransverse beams 30 or tubes on which thesteps 12 are arranged. In the rest position RP, the lockingelement 18 a is in engagement with the climb-overapparatus 15 in order to lock the climb-overapparatus 15. In the example shown, the lockingelement 18 a has an opening which, in the rest position RP, engages with a rung of the ladder in order to fix the ladder in the rest position. - The actuating
unit 19 for actuation of the lockingunit 18 has afirst lever element 24 a in order to be able to actuate thelocking unit 18 from acable car 7 when thecable car 7 is in a suitable climb-over position (not shown). Thefirst lever element 24 a can for example be connected to thelocking unit 18 by means of a cable pull or a flexible shaft of a corresponding length in order to release the lock, for example in order to pivot the lockingelement 18 a in the example shown. After the lock has been released, the climb-overapparatus 15 can be moved from the rest position RP to the standby position BP, in this case in particular pivoted about the axis of rotation of the lowesttransverse beam 30. - If the locking
unit 18 can be actuated electrically, the actuatingunit 19 could, for example, also be an electrical switch which is connected to thelocking unit 18 via an electrical line (this of course also applies to other embodiments of the present teaching). Wireless actuation of the electrically actuatable lockingunit 18 would also be conceivable, for example. In this case, the actuatingunit 19 could be, for example, a radio switch which, for example, can be arranged in a stationary manner at a suitable point on thecableway support 1, such as, for example, on theaccess unit 4. However, it would also be conceivable that several radio switches are provided in order to actuate thelocking unit 18 from different positions. Of course, a portable radio switch could also be used, for example to enable actuation or unlocking of the climb-overapparatus 15 from thecable car 7. - In the standby position BP, the climb-over
apparatus 15 or ladder extends essentially vertically downward from theaccess unit 4, as indicated by dashed lines inFIG. 3 . The movement preferably takes place simply by gravity, wherein it can be particularly advantageous in this embodiment if a braking device (not shown) is provided in order to brake the movement of the climb-overapparatus 15 from the rest position RP into the standby position BP. As already mentioned with reference to the first embodiment, the braking device can be designed, for example, as a gas pressure spring. However, it would also be conceivable, for example, to provide a mechanical spring which counteracts the movement of the climb-overapparatus 15, which essentially corresponds to a free fall. For example, a torsion spring could be provided on the lowesttransverse beam 30, which serves as a pivot axis for the climb-overapparatus 15. Of course, this is only to be understood as an example and a person skilled in the art could also provide other suitable braking devices. - Optionally, a
second lever element 24 b could of course also be provided in order to actuate thelocking unit 18 from theaccess unit 4. For example, as indicated inFIG. 4 thesecond lever element 24 b could be arranged directly on the lockingelement 18 a and could extend laterally or upward between twosteps 12. Furthermore, one or more stop elements (not shown) could be provided on the climb-overapparatus 15 or on theaccess unit 4 in order to limit a movement of the climb-overapparatus 15 beyond the standby position BP (in this case from the vertical to the left). As a result, swinging of the climb-overapparatus 15 in the standby position BP can be reduced, whereby the climb-over can be made easier and safety can be increased. For example, one or more stop elements in the form of rubber buffers could be provided on the climb-overapparatus 15 or, in this case, the ladder (at the upper end in the standby position BP), and in the standby position BP these elements are in contact with the lower end of thelongitudinal beam 11 or with the lowesttransverse beam 30. Of course, alternatively or additionally the stop elements could also be provided on thelongitudinal beam 11 or on the lowesttransverse beam 30 in order to limit the movement of the ladder. - In order to further restrict swinging of the climb-over
apparatus 15 in the standby position BP, a separate locking device (not shown) can also be provided which fixes the climb-overapparatus 15 in the standby position BP. As a result, the movement of the climb-overapparatus 15 can be minimized, for example to the left and right from the vertical inFIG. 4 , as a result of which the safety can be further increased during the climb-over. For example, the locking device can be designed similarly to thelocking unit 18. An advantage of the second embodiment (FIG. 4 ) of the climb-overapparatus 15 compared to the first embodiment (FIG. 1-3 b) is, for example, that due to the arrangement of the climb-overapparatus 15 along thelongitudinal beam 11 in the rest position RP, a longer climb-overapparatus 15 can be used, so that the climb-over from/to thecable car 7 can be simplified. - In
FIG. 5 a , the climb-overapparatus 15 and the lockingunit 18 fromFIG. 3 are shown in detail. The climb-overapparatus 15 is designed in the form of a ladder and has thefastening unit 21 at one end for pivotable fastening to theaccess unit 4. Thefastening unit 21 here has aplate 21 a, which is permanently connected to the ladder, for example screwed, welded, riveted, etc. On the upper surface of theplate 21 a facing away from the ladder, twoeyelets 21 b are arranged, which are provided for pivotable fastening to thetransverse beam 30, which is formed as a tube, of thelowest step 12, as has already been explained with reference toFIG. 4 . Theeyelets 21 b can be fastened, for example, in that the ends of theeyelets 21 b are passed through suitable openings in theplate 21 a and, for example, are screwed to the lower surface of theplate 21 a facing the ladder. This provides a simple way of assembling the climb-overapparatus 15 by first arranging theeyelets 21 b on thetransverse beam 30 and then guiding the ends of the eyelets through the openings in theplate 21 a and screwing them thereto. Of course, this specific embodiment of thefastening unit 21 is only to be understood as an example and other fastening options would also be conceivable, for example afastening unit 21 in the form of a plate, similar to that shown in the first embodiment. Thefastening unit 21 could, for example, also have only two bolts or screws on the side of the climb-overapparatus 15, via which the climb-overapparatus 15 is connected in an articulated manner to theaccess unit 4. - On the lower surface of the
plate 21 a (opposite theeyelets 21 b) afirst lever element 24 a is provided as part of theactuating unit 19. Thefirst lever element 24 a interacts with the lockingunit 18 via an actuating means 31 such as a cable pull or a flexible shaft in order to actuate thelocking unit 18 to release the locking of the climb-overapparatus 15. The lockingunit 18 is arranged on the access unit 4 (seeFIG. 3 ) and has a lockingelement 18 a which can be pivoted relative to theaccess unit 4 in order to release the locking of the climb-overapparatus 15. The lockingelement 18 a can be directly articulated on theaccess unit 4 or a part thereof (e.g. a transverse beam 30) or, as shown, on asuitable support element 32, which in turn is firmly connected to theaccess unit 4. The lockingelement 18 a has anopening 33 which, in the rest position RP, engages with the climb-overapparatus 15 in order to lock the climb-overapparatus 15 on theaccess unit 4. In the case of a ladder, for example, arung 16 of the ladder can be brought into engagement with theopening 33. - To release the lock, the locking
unit 18 can be actuated from thecable car 7 via thefirst lever element 24 a. As a result, the lockingelement 18 a is pivoted by means of the actuating means 31 from a locking position VP into a release position LP, whereby the climb-overapparatus 15 is released and can be moved from the rest position RP into the standby position BP. Here the axis of rotation of the lockingelement 18 a runs in the transverse direction, essentially parallel to the transverse beams 30. The movement preferably takes place automatically by gravity, wherein the movement can possibly be braked by an optional braking device. - The locking
unit 18 preferably has at least one suitable preloading element 26 (not shown) in order to preload the lockingelement 18 a into the locking position VP. A suitable mechanical spring is preferably used as the preloadingelement 26. For example, a torsion spring can be provided in the axis of rotation of the lockingelement 18 a. In addition, in the example shown, it can be advantageous if thefirst lever element 24 a also has asuitable preloading element 26 in order to enable thefirst lever element 24 a, including the actuating means 31, to be returned to the starting position. If the preloading force is sufficiently large, the resetting of thefirst lever element 24 a and of the actuating means 31 can, for example, also take place only by the preloadingelement 26, in particular the spring on the lockingelement 18 a. In the case of an electricallyactuatable locking unit 18, instead of thelever element 24 a, for example, a switch could be provided or the switch could be actuatable by means of thelever element 24 a. The switch could then be connected to thelocking unit 18, for example via an electrical line. - The movement of the climb-over
apparatus 15 from the standby position BP (FIG. 4 ) into the rest position RP is preferably carried out manually, wherein suitable aids such as a cable pull, one or more straps, handles, etc. can be provided if necessary. In order to enable the climb-overapparatus 15 to be easily moved back and locked in the rest position RP, the lockingelement 18 a in the example shown has a wedge-shaped section to form aninclined surface 34. When the climb-overapparatus 15 is moved back from the standby position BP into the rest position RP, the climb-overapparatus 15, in this case thelast rung 16 of the ladder, comes into contact with theinclined surface 34 of the lockingelement 18 a (located in the locking position VP). Due to the known wedge effect, the lockingelement 18 a is partially pivoted by therung 16 in the direction of the release position LP until therung 16 comes into engagement with theopening 33. The lockingelement 18 a is moved back into the locking position VP by the preloading element 26 (such as a torsion spring in the axis of rotation of the lockingelement 18 a), whereby the climb-overapparatus 15 is locked. - As already shown with reference to the first embodiment, one or more limiting elements 28 (not shown) can also be provided on the climb-over
apparatus 15 and/or theaccess unit 4 in order to limit a movement of the climb-overapparatus 15 beyond the rest position RP. In addition, in this way a given play between therung 16 and theopening 33 can be minimized in order to reduce any rattling noises due to the movement of the climb-overapparatus 15 within theopening 33. Of course, asensor element 29 can also be provided in the second exemplary embodiment in order to detect the position of the climb-overapparatus 15. The function is analogous to that of the first exemplary embodiment, and for this reason it will not be discussed in more detail at this point. -
FIG. 5 b shows an alternative embodiment of alocking unit 18. The locking unit has asupport element 32 which is fastened to the access unit 4 (not shown). Two lockingunits 18 a are provided on thesupport element 32, which are designed essentially analogously toFIG. 5 a . In contrast to the embodiment according toFIG. 5 a , the two lockingelements 18 a inFIG. 5 b , which extend essentially parallel to thelongitudinal beam 11 of theaccess unit 4 and not in the transverse direction as before inFIG. 5 a , can each be pivoted about an axis of rotation. The lockingelements 18 a each have anopening 33 which can be brought into engagement with the climb-overapparatus 15 in order to lock the climb-overapparatus 15 in the rest position RP on theaccess unit 4. However, theopenings 33 interact here with thelongitudinal members 15 a of the climb-overapparatus 15, which is designed as a ladder, and not, as before, with arung 16 of the ladder. However, the function with regard to the actuation by means of an actuating element 19 (not shown) does not differ from the variant according toFIG. 5 a , which is why it is not discussed in further detail. As a result of the double locking, the stability of the climb-overapparatus 15 in the rest position RP can be improved. - According to a further embodiment (not shown), the climb-over
apparatus 15, preferably in the form of a ladder, is arranged laterally on the outside of therailing 13 in the rest position RP, i.e. on the side of therailing 13 that faces away from thesteps 12. Thefastening unit 21 is, for example, a plate which is fastened pivotably to theaccess unit 4, wherein the pivot axis runs in the transverse direction, for example parallel to the transverse beams 30. The climb-overapparatus 15 can be moved relative to thefastening unit 21, for example within a suitable recess in thefastening unit 21. Thus the climb-overapparatus 15 can be moved back and forth within the recess in thefastening unit 21 between two positions in which the two axial ends of the climb-overapparatus 15 bear against thefastening unit 21. Advantageously, a guide unit is additionally provided on therailing 1 in order to hold the climb-overapparatus 15 securely on therailing 13 in the rest position. - In order to move into the standby position BP, the climb-over
apparatus 15, starting from the rest position RP, can first be moved, in particular displaced, relative to therailing 13 and essentially parallel to therailing 13. In this case the climb-overapparatus 15 is also displaced relative to thefastening unit 21, for example within the recess. The displacement takes place until the first axial end of the climb-overapparatus 15 facing away from thefastening unit 21 in the rest position RP has reached thefastening unit 21 and is preferably in contact therewith. Thefastening unit 21 is then pivoted, as a result of which the standby position BP is reached. - Finally, it should be noted again that the described embodiments are only to be understood as examples and are not restrictive. In addition to the embodiments shown, further variants would of course also be conceivable, which are at the discretion of the person skilled in the art. For example, the person skilled in the art can adapt the present teaching to the specific conditions of a cableway, for example to different forms of access units.
Claims (16)
1. Cableway support (1) of a cableway (2) with an access unit (4) for people to climb over, characterized in that a climb-over apparatus (15) is provided on the cableway support (1) for people to climb over from a cable car (7) of the cableway (2) to the access unit (4) or vice versa, wherein the climb-over apparatus (15) is arranged on the cableway support (1) by means of a fastening unit (21) so as to be movable relative to the access unit (4), wherein the climb-over apparatus (15) can be moved relative to the access unit (4) from a rest position (RP) in which the climb-over apparatus (15) is stowed on the access unit (4) into a standby position (BP) which is provided for performing the climb-over.
2. The cableway support (1) according to claim 1 , characterized in that a locking unit (18) for locking the climb-over apparatus (15) in the rest position (RP) is provided on the cableway support (1).
3. The cableway support (1) according to claim 2 , characterized in that the locking unit (18) can be actuated mechanically, hydraulically or electrically.
4. The cableway support (1) according to claim 2 or 3 , characterized in that an actuating unit (19) for actuating the locking unit (18) is provided on the cableway support (1) in order to release the locking of the climb-over apparatus (15) in the rest position (RP), in order to move the climb-over apparatus (15) from the rest position (RP) into the standby position (BP).
5. The cableway support (1) according to claim 4 , characterized in that the actuating unit (19) has at least one first lever element (24 a) in order to actuate the locking unit (18) from a cable car (7), wherein the actuating unit (19) preferably has a second lever element (24 b) in order to actuate the locking unit (18) from the access unit (4).
6. The cableway support (1) according to claim 4 or 5 , characterized in that the actuating unit (19) has an actuating means (31) in the form of a cable pull or a flexible shaft.
7. The cableway support (1) according to any of claims 1 to 6 , characterized in that the climb-over apparatus (15) has a braking device in order to brake a movement of the climb-over apparatus (15) from the rest position (RP) into the standby position (BP) caused by gravity, wherein the braking device is preferably mechanical, hydraulic or pneumatic.
8. The cableway support (1) according to any of claims 1 to 7 , characterized in that the cableway support (1) has at least one sensor element (29) which is provided to detect a position of the climb-over apparatus (15), in particular to detect whether the climb-over apparatus (15) is in the rest position (RP), wherein the sensor element (29) generates a sensor value that can be transmitted to a system control unit of the cableway (2).
9. The cableway support (1) according to claim 8 , characterized in that the sensor element (29) is provided to detect a locked state of the locking unit (18), in particular whether the climb-over apparatus (15) is locked in the rest position (RP) by means of the locking unit (18).
10. The cableway support (1) according to any of claims 1 to 9 , characterized in that the climb-over apparatus (15) has at least one step element and/or holding element (16) for a person to step on and/or to hold onto.
11. The cableway support (1) according to any of claims 1 to 10 , characterized in that a length of the climb-over apparatus (15) can be changed in order to adapt the length of the climb-over apparatus (15) to a variable distance between the access unit (4) and the cable car (7).
12. The cableway support (1) according to any of claims 10 to 11 , characterized in that the climb-over apparatus (15) is designed as a ladder, preferably as a telescopic ladder, wherein the at least one step element and/or holding element (16) is a rung of the ladder.
13. The cableway support (1) according to any of claims 1 to 12 , characterized in that a railing (13) is provided on the access unit (4) and that the climb-over apparatus (15) forms part of the railing (13) in the rest position (RP).
14. A cableway (2) with a number of cableway supports (1) for guiding a conveyor cable of the cableway (2) and with at least one cable car (7) arranged on the conveyor cable, characterized in that a climb-over apparatus (15) according to any of claims 1 to 13 is provided on at least one cableway support (1).
15. The cableway (2) according to claim 14 , characterized in that the cableway (2) has a system control unit for controlling the cableway (2), wherein the system control unit is configured to process the sensor value of the sensor element (29) in order to switch off the cableway (2) or to generate a warning signal via a signaling device when the sensor element (29) detects a position of the climb-over apparatus (15) which deviates from the rest position (RP) and/or when the sensor element (29) detects an unlocked state of the climb-over apparatus (15) in the locking unit (18).
16. A method for performing a climb-over from a cable car (7) of a cableway (2) according to claim 14 or 15 to an access unit (4) of a cableway support (1) of the cableway (2) or vice versa, characterized in that the cable car (7) is moved into a climb-over position, that from the cable car (7) or from the access unit (4) the climb-over apparatus (15) of the cableway support (1) is moved from the rest position (RP) into the standby position (BP), that a person climbs over from the cable car (7) via the climb-over apparatus (15) to the access unit (4) or vice versa, and that from the access unit (4) or from the cable car (7) the climb-over apparatus (15) is preferably moved from the standby position (BP) back into the rest position (RP) after the climb-over.
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Application Number | Priority Date | Filing Date | Title |
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ATA50283/2019A AT522165B1 (en) | 2019-04-02 | 2019-04-02 | Cable car support with a step-over device |
ATA50283/2019 | 2019-04-02 | ||
PCT/EP2020/059051 WO2020201254A1 (en) | 2019-04-02 | 2020-03-31 | Cable-car support comprising a climb-over apparatus |
Publications (1)
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US20230057771A1 true US20230057771A1 (en) | 2023-02-23 |
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US17/594,013 Pending US20230057771A1 (en) | 2019-04-02 | 2020-03-31 | Cable-car Support Comprising a Climb-over Apparatus |
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EP (1) | EP3947096B1 (en) |
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CN114735033A (en) * | 2022-04-29 | 2022-07-12 | 北京起重运输机械设计研究院有限公司 | Walking board device and cableway system |
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JPS6240472Y2 (en) * | 1981-01-22 | 1987-10-16 | ||
JP4404281B2 (en) * | 1999-11-11 | 2010-01-27 | 日本ケーブル株式会社 | Ropeway transporter |
EP1149749A1 (en) * | 2000-04-28 | 2001-10-31 | High Technology Investments B.V. | Rescue cabin and emergency rope railway |
FR2914261B1 (en) * | 2007-03-27 | 2009-05-22 | Pomagalski Sa | MECHANICAL DEVICE FOR GUIDING AN AIR CABLE OF A MECHANICAL RESTORATION SYSTEM AND METHOD OF USE |
FR2920123B1 (en) * | 2007-08-20 | 2009-10-09 | Pomagalski Sa | INTERVENTION VEHICLE ALONG AN AIR CABLE OF A MECHANICAL REASSEMBLY SYSTEM |
CN102316947A (en) * | 2009-02-12 | 2012-01-11 | W·J·基钦 | Suspended cable amusement ride |
FR2972986B1 (en) * | 2011-03-23 | 2013-04-26 | Pomagalski Sa | AERIAL CABLE TRANSPORTATION SYSTEM HAVING A MAINTENANCE VEHICLE |
JP2013086935A (en) | 2011-10-19 | 2013-05-13 | Hitachi Ltd | Double deck elevator |
FR3006653B1 (en) * | 2013-06-05 | 2016-07-29 | Pomagalski Sa | DEVICE FOR MAINTENANCE OF AN AIRCRAFT TRANSPORTATION SYSTEM, IN PARTICULAR A TELESIEGE OR A TELECABINE |
AT514516B1 (en) * | 2013-07-11 | 2015-05-15 | Innova Patent Gmbh | Device for replacing reel batteries |
CN108583586B (en) * | 2018-05-28 | 2024-01-19 | 中建空列(北京)科技有限公司 | Escape device for air-iron system and air-iron system |
CN208498482U (en) * | 2018-07-19 | 2019-02-15 | 北京起重运输机械设计研究院有限公司 | Cableway overhauls cable car |
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2020
- 2020-03-31 KR KR1020217035757A patent/KR20210148282A/en not_active Application Discontinuation
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AT522165B1 (en) | 2020-09-15 |
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EP3947096A1 (en) | 2022-02-09 |
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EP3947096B1 (en) | 2022-09-07 |
WO2020201254A1 (en) | 2020-10-08 |
AU2020254951A1 (en) | 2021-11-11 |
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CA3135820A1 (en) | 2020-10-08 |
MA55509A (en) | 2022-02-09 |
ES2930296T3 (en) | 2022-12-09 |
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