EP1462409B1 - Pont élévateur avec un câble Bowden - Google Patents

Pont élévateur avec un câble Bowden Download PDF

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Publication number
EP1462409B1
EP1462409B1 EP04007116A EP04007116A EP1462409B1 EP 1462409 B1 EP1462409 B1 EP 1462409B1 EP 04007116 A EP04007116 A EP 04007116A EP 04007116 A EP04007116 A EP 04007116A EP 1462409 B1 EP1462409 B1 EP 1462409B1
Authority
EP
European Patent Office
Prior art keywords
lifting
lifting plate
soul
drive means
lifting platform
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.)
Expired - Lifetime
Application number
EP04007116A
Other languages
German (de)
English (en)
Other versions
EP1462409A1 (fr
Inventor
Ulf Meyer
Björn Colmorgen
Uwe Rudolf Wilhelm Lehmann
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Uwe Rudolf Wilhelm Lehmann
Original Assignee
Uwe Rudolf Wilhelm Lehmann
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Uwe Rudolf Wilhelm Lehmann filed Critical Uwe Rudolf Wilhelm Lehmann
Publication of EP1462409A1 publication Critical patent/EP1462409A1/fr
Application granted granted Critical
Publication of EP1462409B1 publication Critical patent/EP1462409B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
    • B66B9/00—Kinds or types of lifts in, or associated with, buildings or other structures
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
    • B66B7/00—Other common features of elevators
    • B66B7/06—Arrangements of ropes or cables
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
    • B66F7/00—Lifting frames, e.g. for lifting vehicles; Platform lifts
    • B66F7/02—Lifting frames, e.g. for lifting vehicles; Platform lifts with platforms suspended from ropes, cables, or chains or screws and movable along pillars
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61G—TRANSPORT, PERSONAL CONVEYANCES, OR ACCOMMODATION SPECIALLY ADAPTED FOR PATIENTS OR DISABLED PERSONS; OPERATING TABLES OR CHAIRS; CHAIRS FOR DENTISTRY; FUNERAL DEVICES
    • A61G3/00—Ambulance aspects of vehicles; Vehicles with special provisions for transporting patients or disabled persons, or their personal conveyances, e.g. for facilitating access of, or for loading, wheelchairs
    • A61G3/02—Loading or unloading personal conveyances; Facilitating access of patients or disabled persons to, or exit from, vehicles
    • A61G3/06—Transfer using ramps, lifts or the like
    • A61G3/063—Transfer using ramps, lifts or the like using lifts separate from the vehicle, e.g. fixed on the pavement
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61G—TRANSPORT, PERSONAL CONVEYANCES, OR ACCOMMODATION SPECIALLY ADAPTED FOR PATIENTS OR DISABLED PERSONS; OPERATING TABLES OR CHAIRS; CHAIRS FOR DENTISTRY; FUNERAL DEVICES
    • A61G5/00—Chairs or personal conveyances specially adapted for patients or disabled persons, e.g. wheelchairs
    • A61G5/10—Parts, details or accessories
    • A61G5/104—Devices for lifting or tilting the whole wheelchair

Definitions

  • DE-A-43 42 373 describes a lifting device with a platform and a side of the platform arranged support unit.
  • the platform is connected via a tension belt with the support unit, wherein the tension belt is guided over a height-adjustable deflection roller.
  • a tensile force is exerted on the tension belt, so that the platform is raised.
  • Such lifts are used in particular as a transportable means for Overcoming smaller height differences of up to 1 m in height.
  • a lifting device for a bed frame which corresponds to the closest prior art, With a carrier, wherein the lifting device comprises a Bowden cable with a soul and a jacket, and wherein the lifting device further comprises drive means for exerting a tensile force on the soul to lift the carrier.
  • the lifting device Upon actuation of the lifting device, the carrier is not only vertical, but also moved horizontally.
  • Object of the present invention was to provide a further lift for Specify lifting of loads.
  • the lift should be as simple as possible It should be easy to maintain, if possible it should be portable, easy to use and safe in operation.
  • a lift with a Lifting plate specified for lifting loads which is characterized is that she has a bowden cable with a soul and a coat comprising, wherein the jacket with a first end on the lifting plate and the Soul is attached to a fixed point with a first end and where the Lift further drive means for exerting a tensile force on the soul and / or for exerting a compressive force on the jacket to which the Lift lifting plate.
  • the first end of the soul is preferably in attached directly to the highest point on which the lifting plate should be raised.
  • a lifting plate In the context of the present invention is under a lifting plate a any device element for receiving a good to be lifted Understood.
  • a lifting plate may in particular a metal, plastic and / or Wood panel or be combined from the materials mentioned.
  • the Lifting plate may also include a reinforcing frame or a frame.
  • a Bowden cable according to the invention is any device with a flexible, zugbelastbaren soul and the soul enveloping, also flexible Coat that is pressure resistant to compressive forces acting on its opposite Ends work.
  • the invention used Bowden cable a conventional Bowden cable and owns a metal Sheath and a slidably disposed in the jacket (possibly multi-core) Wire as a soul.
  • the device can therefore be made very inconspicuous It is easy to set up and all parts susceptible to wear can be easily removed being repaired.
  • the lift can in particular to overcome Height differences of up to 30 cm, preferably up to 50 cm or even be set up to 1 m.
  • the use of Bowden cables allows In addition, the construction of lifts with a lift height of less than 10 cm, preferably less than 5 cm, particularly preferably not more than 3.5 cm.
  • For lifting a load with the lift according to the invention can for a pressure force is exerted on the jacket of the Bowden cable, For example, by at a fixed at both ends soul of the mantle with its second end opposite the first end in the direction of first and thus pressed in the direction of the lifting plate. The soul prevents a lateral breaking of the jacket, so that the Lifting plate raised by transferring the compressive force through the jacket becomes.
  • the jacket having a second end in one Fixed point is attached.
  • the Lift according to the invention preferably, in which coat and soul of the Bowden cable in the non-raised state of the lifting plate in Essentially do not extend in lifting direction, but at least one of the lifting direction angled section comprising more than a quarter, preferably more than half of the Bowden cable makes.
  • Applying traction to the soul and compressive force on the mantle can also be done in combination by both the second end of the Mantels (direct) applied with a compressive force and the second end the soul is subjected to a tensile force.
  • the drive means comprise a pulley for winding the soul.
  • the soul can be with a small-sized drive means subjected to the necessary tensile force become.
  • the pulley winds while raising the lifting plate one Section of the soul on, leaving this section of the soul as above described is pulled out of the jacket.
  • the lifting platform becomes the soul between its second end and the second end of the jacket over a pulley. It is in particular preferred when the drive means are arranged to move the Pulley to pull a section of the soul out of the mantle. The Traction exerted by the drive means becomes in these embodiments transferred to the soul through the pulley. In such invention Embodiments may be achieved by moving the diverting pulley Section of the soul pulled out of the mantle through the second end be the length of this section a multiple (preferably twice) of the path around which the pulley is moved.
  • the soul is so over the Guide pulley that they are at an angle of 100 ° -260 °, preferably 160 ° -180 ° and in particular preferably deflected by 180 °.
  • a Deflection angle of 160 ° -180 ° and in particular at a deflection angle of 180 ° is the length of the section of the soul that comes out of the mantle at Move the pulley is pulled out, about twice the length the path around which the pulley is moved.
  • a pulley in particular while maintaining a Deflection angle of 160 ° -180 ° (in particular of 180 °), is in particular for Such lifts preferably according to the invention, with which a lifting plate (without limiting means, see above) by more than 30 cm, preferably around at least 50 cm to 1 m, more preferably by up to 60 cm liftable should be.
  • a lifting plate without limiting means, see above
  • the drive means can be sized small and save space. This advantage is especially true when using a pull rod Wear, more on that below.
  • the drive means a powered drawbar to make up a section of the soul to pull the coat.
  • Corresponding driven tie rods are in the Commercially available, they are compact, reliable and comparatively inexpensive, so that these benefits of the lift according to the invention get.
  • By interacting with one or more Bowden cables will allow the drawbar to lift the Lifting plate not in the direction of the lifting movement, but preferably to to move a plane transverse to the lifting direction.
  • the inventive Hydraulic lift is therefore in such a preferred embodiment without the otherwise necessary vertical facilities.
  • the drawbar can in particular by an electric motor, hydraulic or pneumatic are driven. It is particularly preferred, the pull rod through drive an electric motor, since such motors are readily available, need little space and work quietly.
  • the second End of the soul on the tie rod directly or via an adapter means attached.
  • the souls of the Bowden cables via fastening means For example, a mounting plate, connected to the pull rod become. By pressing the pull rod is synchronously on all at her attached to pulled souls a pulling force. This allows for a special smooth running of the lift according to the invention.
  • the lifting platform is Tie rod connected to the pulley, through which the soul is deflected. If the lift with more than one Bowden cable for lifting the Lifting plate is equipped, so it is preferable if all souls of this Bowden cables are guided via corresponding assigned deflection rollers, which are connected via an axle with the drawbar. this makes possible also a particularly smooth running of the invention Lift.
  • the pull rod is guided in a guide.
  • the drive means support spring means exerting the traction on the soul and / or exercising the Include compressive force on the jacket.
  • the spring means can in particular Tension or compression springs, gas springs are particularly preferred.
  • the spring means in particular one or more coil springs or helical be spiral bending springs, which act on the pulley to lift to support the lifting plate.
  • the spring means comprise a tension and / or compression spring, the at the second end of the soul (possibly via the adapter means, in particular via the attachment plate) and / or on the deflection roller or whose axis is fixed.
  • the soul is deflected by a movable pulley by 180 °, wherein on the axis on both sides of the deflection roller per a gas spring with a first End is attached, and the second end of each of the two gas springs attached to a fixed point.
  • the drive means securing means comprise the drive means in a tearing of the soul and / or a Dismantle the destruction of the coat. Due to the securing means, the Operational safety of the lift according to the invention can be increased by the drive means in case of damage and / or destruction of a Lifting plate moving Bowden cable are shut down. An unintentional Commissioning a by damage or destruction of a Bowden cable unsafe lift can be avoided.
  • the securing means comprise a Spring means to bias the second end of the soul, and one with the second end of the soul and cooperating with the drive means Switch to shut down the drive means when the spring means over selected safety measure is relaxed.
  • the switch is actuated, the switch acts on the drive means to shut them down, preferably by Interrupting a power supply of the drive means.
  • Spring means a compression spring to the second end of the soul in the direction of a Switch to press
  • the switch is a power supply of the Drive means interrupts when the switch passes through the second end of the soul pressed under the influence of the pressure exerted by the compression spring becomes.
  • At the first end of the mantle is a guide to guiding the Lifting plate assigned.
  • the guide allows the lifting plate against Stabilize movements across the lifting direction. In addition, the facilitates Lead the attaching of the first end of the soul.
  • the guide is in preferred embodiments of the lift according to the invention a Guide column.
  • the guide has a limiting means includes lifting the lift plate to a maximum lift height limit.
  • the limiting means to or in the leadership and / or the soul at a preselected place can be fixed.
  • this is Limiting means a clamping screw, which is inserted into the guide and is fixed in it and / or on the soul.
  • the limiting means allowed on Advantageously, lifting the lifting plate to a height below the limit the maximum height to which the lifting plate otherwise could be raised. By using a limiting means Therefore, the lifting plate when lifting against the limiting means be pressed. In this way, the lifting plate is prevented in the raised state slightly increases during discharge or under load something sagged.
  • the drive means a Comprise switching means to terminate the lifting of the lifting plate when the lifting plate has reached the limit means and with a preselected Strength is pressed against the limiting means.
  • the drive means may preferably comprise a current limiting.
  • the guide has a first opening for engaging Holding means of the lifting plate and a second opening for the passage of the Bowden cable.
  • the guide in shape a guide column with two lateral recesses, for example in the Form of longitudinal slots or slots is formed.
  • a lift is preferred whose leadership a Guide surface and the lifting plate has a hinged Auffahrplatte having a pivot lever, wherein the pivot lever and the guide surface interact to bring the Auffahrplatte from a rest position into a to swing from this angled securing position when the Holding plate is moved.
  • Movable ramps are especially at Lifting platforms for wheelchairs known. They allow the lifting plate to pass through Reaching up easy to reach and secure at the same time against unintentional Roll down when the lifting plate has been moved in the lifting direction. Due to the inventive cooperation of a pivot lever and a guide surface can be a particularly simple and robust control the pivoting behavior of the Auffahrplatte in the operation of the invention Lifting platform can be achieved.
  • the guide surface in particular be arranged on a projection mounted on the guide. Also is it is possible, the pivot lever in a guide groove with two guide surfaces respectively.
  • a lift of the type according to the invention is preferred, the is transportable.
  • the lift on a base frame or a base plate be constructed by guide columns on Base frame or the base plate are fastened, wherein at each guide column a first end of a Bowden cable soul is attached.
  • the drive means can also be attached to the base frame become.
  • the lift can then be moved using the base frame become. It is preferred if the weight of the lift (including a possibly existing basic framework and / or one possibly existing base plate) is less than 100 kg.
  • the weight of the lift is up to 92 kg, more preferably up to 90 kg, if the lift (without limitation means, see above) is set up, to lift the lifting plate up to 60 cm, and preferably up to 72 kg, more preferably up to 70 kg, when the lift (without Limiter, s.o.) is set up to lift the lifting plate to to 30 cm.
  • the drive means such as a motor, a Pulley, a pull rod and / or one or all pulleys, the side of the Lifting plate arranged on the base frame or on the base plate, wherein a possibly existing drawbar a movement preferably substantially in a plane parallel to the base plate or to the base frame performs to raise the lifting plate.
  • the lifting plate be traveled by the other pages.
  • rectangular or square base plate can thus be drivable from three sides.
  • at each corner of the base plate is a guide column arranged at each corner of the base plate.
  • the lift according to the invention is in preferred embodiments designed to lift loads weighing up to 250 kg, preferably up to 200 kg.
  • such embodiments according to the invention with which loads of at least 50 kg, more preferably at least 70 kg and more preferably loads from at least 70 kg to 200 kg as described above with the lifting plate can be raised, preferably by at least 30 cm and more preferably up to 60 cm.
  • Particularly good embodiments such lifting platforms according to the invention have at least four Guides as described above, preferably each in the form of a Guide column.
  • the guides are each a Bowden cable as above assigned so that the first end of the soul of each of the Bowden cables on in the stroke direction upper end of the associated guide column attached and the respective first end of the associated jacket on the Lifting plate (if necessary, by means of fasteners) is attached.
  • the load to be lifted is distributed over several Bowden cables, making the individual Bowden cables smaller than when using a smaller number of Bowden cables can be selected.
  • the Operational safety increases, since when a Bowden cable soul tearing the Lifting plate no longer as when using only a Bowden cable can crash.
  • a passenger elevator with one is particularly preferred Lift according to the invention according to one of the previously described Embodiments.
  • Such a passenger elevator is easy to manufacture, inconspicuous, space-saving, robust, easy to maintain and possibly also transportable.
  • the lifting platform according to the invention shown in Fig. 1 has a base frame (not shown in Fig. 1), to which a mounting plate 11 and a Motor 12 are attached.
  • the motor 12 is operatively connected to a Pull rod 14.
  • At the drawbar 14 are over another mounting plate second ends 23 of two Bowden cable souls 21 attached.
  • the first ends 22 the Bowden cable souls 21 are each attached to a fixed point.
  • the Bowden cable souls 21 are each provided with a Bowden cable jacket 25 to Surrounding formation of Bowden cables 20.
  • the first end 26 of the Bowden cable coats 25 is attached to a lifting plate 30, the second end 27 of the coats 25 is attached to the mounting plate 11, respectively.
  • the Bowden cable coats 25 do not extend between their two ends 26 and 27 in a straight Line, but are angled. The same applies accordingly to the souls 21.
  • the motor 12 is in operation set so that the drawbar 14 the distance between the second ends 23 of the cores 21 and the second ends 27 of the coats 25 increases.
  • the Bowden cables 20 are thereby tightened. Since the length of the coats 25 remains unchanged, the lifting plate 30 is in the direction of the first end 22nd Bowden cable souls 21 raised (in the direction of the arrow).
  • To lower will the drawbar 14 retracted so that the distance between the second Ends 23 of the cores 21 and the second ends 27 of the sheaths 25 are reduced is so that the lifting plate 30 is lowered (opposite to the arrow).
  • the drive means shown in Fig. 1 are particularly suitable to the Lifting plate 30 to raise up to 30 cm.
  • Fig. 2 is a detail of a side view of an inventive Lifting platform shown.
  • the lift has drive means such as For example, in Fig. 1 or Fig. 4, 5 shown.
  • the lift has Further, a base frame 10, on which a guide column 40 is attached. Through a lateral recess 42 of the guide column 40 is sufficient Bowden cable 20 into the interior of the guide column 40.
  • the soul 21 is at her first end 22 on the end remote from the base frame 10 of the Guide column 40 attached.
  • the first end 26 of the shell 25 is at a the guide column 40 movably mounted lifting plate 30 is attached.
  • the Lifting plate 30 has a reinforcing frame arranged on its underside and is held by holding means 32 on the guide column 40.
  • the Holding means 32 engage through a further lateral recess (see Fig. 3) in the guide column 40 for securing the lifting plate 30 against lateral Move one. If the jacket 25 is acted upon by a compressive force and / or a tensile force is applied to the core 21, the lifting plate 30 becomes pushed along the guide column 40 from the base frame 10 and raised. If the tensile force exerted on the core 21 is reduced and / or reduces the pressure exerted on the jacket 25 compressive force, so the lifting plate decreases 30 along the guide column 40 in the direction of the base frame 10 from.
  • Fig. 3 is a further detail of a side view of the invention Lifting of Fig. 2 shown.
  • On the base frame 10 is in turn attached to a guide column 40, at the base of the frame 10th opposite end a first end 22 of a soul 21 of a Bowden cable 20th is attached.
  • the jacket 25 of the Bowden cable 20 is at its first end 26th attached to a lifting plate 30.
  • the lifting plate 30 is by holding means 32nd (partially hidden), in a second recess 43 of the guide column 40th intervene, guided.
  • the guide column 40 also has a laterally from the Guide column 40 outstanding guide 45 with an angled Guide surface 46.
  • the lifting plate 30 is connected via a hinge 34 with a Auffahrplatte 35 hinged.
  • the Auffahrplatte 35 has a Pivoting lever 36, which on the guide surface 46 of the guide gauge 45th along slides.
  • the guide surface 46 is at its base frame end angled in the direction of the guide column 40.
  • the lifting plate 30 of the invention Lift on the ground and lies with its reinforcing frame on the Base frame 10 on.
  • the pivot lever 36 is in the direction of Guide column 40 is pressed in at point 47.
  • the Auffahrplatte 35 is then relative to the lifting plate 30 in the direction of the base frame 10th angled and forms a Auffahrrampe, which the ascending on the Lifting plate relieved.
  • the pivot lever 36 slides on the Guide surface 46 of the guide gauge 45 along and is of the Guide column 40 pushed away.
  • the Auffahrplatte to the Hinge 34 is rotated so that it faces away from the base frame 10 and a lateral protection against unintentional unrolling of the lifting plate 30th forms.
  • the lift with a panel be provided to prevent the accidental insertion of objects under the Lifting plate 30 to prevent.
  • the fairing so be rigid. If the panel is rigid, then it will be preferred attached only to those sides of the lift which are not to be driven over, for example, by a wheelchair, are thought. In particular, the Side of the lift on which the ramp is located, without one stay rigid panel.
  • Fig. 4 shows a fragmentary drive means of a lift according to the invention.
  • the drive means according to FIG. 4 are particularly suitable for lifting a lifting plate by more than 30 cm, in particular by 50 to 60 cm.
  • the Drive means comprise, in addition to the pull rod 14 already described above together with the associated motor 12, a guide roller 16 to which the soul 21 of a Bowden cable 20 is deflected by 180 °.
  • the second end 23 of the soul 21st is attached to a fastening device, at which also the second end 27 of the jacket 25 of the Bowden cable 20 is attached.
  • the fastening device is not movable relative to the engine.
  • the pull rod 14 is connected to the guide roller 16 and can this from the fastening device move away and vice versa again towards the Move the attachment (arrows).
  • the pull rod 14 For lifting the lifting plate (not shown), the pull rod 14 is actuated. The from the drawbar exerted tensile force is doing by the guide roller 16 on the soul 21st transfer. By moving the guide roller 16 under the action of Pulling rod 14, a portion of the soul 21 from the jacket 25 through whose second end 27 is pulled out, the length of this section is about twice the distance by which the guide roller 16 moves becomes. For example, to raise the lifting plate by 60 cm, the Deflection pulley 16 by the tie rod 14 by 30 cm from the second end 23 of Soul 21 pulled away (arrows).
  • FIG. 5 shows that the Lift has four Bowden cables 20 with 21 souls and 25 coats.
  • the Souls 21 are deflected by pulleys 16 by 180 °.
  • the here shown supervision come the second ends 23 and 27 of the souls 21st and the respective associated coats 25 to lie over each other and can therefore not shown separately.
  • the deflection rollers 16 are arranged on an axis 17 which on the Tie rod 14 is attached.
  • the drawbar 14 is driven by the engine 12.
  • a first end of a spring plunger 19 a gas spring 18 attached.
  • the gas springs 18 are at their second end each attached to the fastening device, on which also the second Ends 23, 27 of the Bowden cables 20 are attached.
  • the gas springs bow a deflection of the axis 17 under the transmitted from the souls 21 Burden.
  • the drive means further comprises a guide 15 with a guide rod and a guide carriage.
  • the axle 17 slides with the guide carriage in the guide rod of the guide 15 and is so against movement secured transversely to the main direction of movement of the drawbar 14.
  • the pull rod 14 through the engine 12 extended and thereby pulls the axis 17 with the pulleys 16 away from the second ends 23, 27 of the cores 21 and the coats 25.
  • the Axis 17 slides with the guide carriage in the guide rod of the Guide 15.
  • the extension of the Pull rod 14 is supported by the gas springs 18, 19.
  • the gas springs 18, 19 are relaxed and press with their spring tappets 19, the axis 17 in the main direction of movement of the drawbar 14th
  • the lift with drive means shown in FIG. 4, 5 may otherwise as in Fig. 2, 3, 6 and / or 7 be configured and according to a base frame and four guide columns 40, a guide gauge 45 and a ramp plate 35 with pivot lever 36, limiting means 50 and securing means including a spring 121, a receptacle 123 and a switch with Positions 124, 124 ', 112, 112' include.
  • Fig. 6 shows a view of a limiting means of a lift according to one of the previous figures.
  • the first end 26 of a jacket 25 is at one Lifting plate via an attachment (not shown, see Fig. 2, 3) attached.
  • the first end 22 of the associated core 21 is at one end fixed to a guide column 40, as described above for Fig. 2, 3.
  • To the Soul 21 is a fastening means in the form of a clamping screw 50 arranged.
  • the clamping screw 50 is at the soul 21 at a distance attached by the first end 21 to the lifting of the lifting plate on a limit maximum lifting height.
  • the clamping screw 50 prevents further movement of the attachment the first end 26 of the shell 25 and thus a further lifting the Lifting plate. Because of the force exerted on the jacket 25 compressive force and / or because of the force exerted on the soul 21 tensile force is the lifting plate on the Attachment of the first end 26 of the jacket 25 against the clamping screw 50 pressed.
  • One with the drive means (not shown, see For example, Fig. 1, 4 and 5) controlling connected current limit stops when a preselected pressure on the clamping screw is reached 50 further exerting a tensile force on the soul 21 and / or one Pressing force on the jacket 25, so that the lifting plate against the Clamping screw 50 remains depressed, without this from its preselected Tear fastening position.
  • By pressing the lifting plate against the Clamping screw 50 prevents the lifting plate from being lifted Condition jumps up slightly on discharge or something under load sags.
  • FIG. 7 are schematically securing means of an inventive Lifting platform according to one of the preceding figures, shown to drive means shut down at a tearing of a soul.
  • the soul 21 is with its second End 23 attached in a receptacle 123.
  • the receptacle 123 is replaced by a Compression spring 121 with a pressure force in the direction of the second end 23rd applied.
  • the second end 23 of the new soul 21 is in the recording 123 attached while the first end 22 of the soul 21, for example, on upper end of a guide post 40 (see, e.g., Figures 2, 3, 6).
  • the core 21 is biased against the spring force of the spring 121, so that the switch from the position 124 'brought back to the position 124 becomes.
  • the electrical contact is closed (position 112), so that by the current guide 110, the motor 5 again with a Power is connected.
  • the lift can then be used again Lifting or lowering the lifting plate 30 are operated.

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  • Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Automation & Control Theory (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Mechanical Engineering (AREA)
  • Stringed Musical Instruments (AREA)
  • Communication Cables (AREA)
  • Types And Forms Of Lifts (AREA)
  • Forklifts And Lifting Vehicles (AREA)
  • Invalid Beds And Related Equipment (AREA)
  • Platform Screen Doors And Railroad Systems (AREA)

Claims (10)

  1. Plateforme de levage comportant une plaque de levage (30) pour soulever des charges, la plaque de levage comprenant un câble Bowden (20) avec une âme (21) et une gaine (25), et la plateforme de levage comprenant en outre des moyens d'entraínement pour exercer une force de traction sur l'âme (21) pour soulever la plaque de levage (30), caractérisée en ce que la gaine (25) est fixée par une première extrémité (26) sur la plaque de levage (30) et l'âme (21) est fixée par une première extrémité (22) sur un point fixe, les moyens d'entraínement étant organisés additionnellement ou en alternative pour exercer une force de pression sur la gaine (25) afin de soulever la plaque de levage (30).
  2. Plateforme de levage selon la revendication 1, caractérisée en ce que les moyens d'entraínement sont organisés pour exercer une force de traction sur l'âme (21), et la gaine (25) est fixée par une deuxième extrémité (27) en un point fixe.
  3. Plateforme de levage selon la revendication 2, caractérisée en ce que l'âme (21) est guidée entre sa deuxième extrémité (23) et la deuxième extrémité (27) de la gaine (25) via une poulie de renvoi (16).
  4. Plateforme de levage selon la revendication 3, caractérisée en ce que les moyens d'entraínement sont organisés pour déplacer la poulie de renvoi (16) afin de tirer un tronçon de l'âme (21) hors de la gaine (25).
  5. Plateforme de levage selon l'une des revendications 2 à 4, caractérisée en ce que les moyens d'entraínement comprennent une tige de traction (14) entraínée qui coopère avec l'âme (21) pour tirer un tronçon de l'âme (21) hors de la gaine (25).
  6. Plateforme de levage selon l'une des revendications précédentes, caractérisée en ce que les moyens d'entraínement comprennent des moyens de ressort (18, 19) pour assister l'exercice de la force de traction sur l'âme (21) et/ou pour assister l'exercice de la force de pression sur la gaine (25).
  7. Plateforme de levage selon l'une des revendications précédentes, caractérisée en ce que les moyens d'entraínement comprennent à titre de moyens de sécurité un élément ressort (121) pour précontraindre la deuxième extrémité (23) de l'âme (21) et un interrupteur (123, 124, 112) qui coopère avec la deuxième extrémité (23) de l'âme (21) et avec les moyens d'entraínement pour arrêter les moyens d'entraínement lorsque l'élément ressort (121) est relâché au-delà d'une mesure de sécurité présélectionnée.
  8. Plateforme de levage selon l'une des revendications précédentes, caractérisée en ce qu'un guidage (40) permettant de guider la plaque de levage (30) est associé à la première extrémité (26) de la gaine (25).
  9. Plateforme de levage selon la revendication 8, caractérisée en ce que le guidage (40) comprend un moyen de limitation (50) pour limiter le levage de la plaque de levage (30) à une hauteur de levage maximum.
  10. Ascenseur comportant une plateforme de levage selon l'une des revendications précédentes.
EP04007116A 2003-03-24 2004-03-24 Pont élévateur avec un câble Bowden Expired - Lifetime EP1462409B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE10313102 2003-03-24
DE10313102A DE10313102A1 (de) 2003-03-24 2003-03-24 Hebebühne

Publications (2)

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EP1462409A1 EP1462409A1 (fr) 2004-09-29
EP1462409B1 true EP1462409B1 (fr) 2005-06-08

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ID=32798072

Family Applications (1)

Application Number Title Priority Date Filing Date
EP04007116A Expired - Lifetime EP1462409B1 (fr) 2003-03-24 2004-03-24 Pont élévateur avec un câble Bowden

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EP (1) EP1462409B1 (fr)
AT (1) ATE297355T1 (fr)
DE (2) DE10313102A1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ITVI20070125A1 (it) * 2007-05-03 2008-11-04 Giuseppe Barone Dispositivo attuatore compensato ed apparato di sollevamento e trasporto incorporante tale dispositivo.

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH664549A5 (en) * 1984-10-08 1988-03-15 Hans Fickler Portable hoist for bed frame - has detachable mechanical coupling between two frames with supports on parallelogram linkages
DE3833740A1 (de) * 1988-10-04 1990-04-05 Ruediger Weinhold Spielzeug-bagger
GB2230558A (en) * 1989-04-15 1990-10-24 Ford Motor Co Regulating system for motor vehicle window
DE4403767A1 (de) * 1993-02-19 1994-08-25 Eberhard Maucher Zustiegsvorrichtung für Fahrzeuge, insbesondere Schienenfahrzeuge oder Kraftfahrzeuge, insbesondere für Niederflur-Omnibusse
DE4428890C1 (de) * 1994-08-18 1995-10-26 Guenther Krueger Vorrichtung zum Tragen des Monitors und der Tastatur eines Büroinformationssystems
WO2002007666A1 (fr) * 2000-07-25 2002-01-31 Workman Industries Pty Ltd Dispositif de levage a bras pivotant pour fauteuil roulant

Also Published As

Publication number Publication date
DE502004000012D1 (de) 2005-07-14
ATE297355T1 (de) 2005-06-15
EP1462409A1 (fr) 2004-09-29
DE10313102A1 (de) 2004-11-11

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