EP2628700B1 - Dispositif de levage à double treuil - Google Patents

Dispositif de levage à double treuil Download PDF

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Publication number
EP2628700B1
EP2628700B1 EP13154743.2A EP13154743A EP2628700B1 EP 2628700 B1 EP2628700 B1 EP 2628700B1 EP 13154743 A EP13154743 A EP 13154743A EP 2628700 B1 EP2628700 B1 EP 2628700B1
Authority
EP
European Patent Office
Prior art keywords
cable
drive device
winches
load
rope
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.)
Not-in-force
Application number
EP13154743.2A
Other languages
German (de)
English (en)
Other versions
EP2628700A2 (fr
EP2628700A3 (fr
Inventor
Frank Lülfing
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.)
DualLift GmbH
Original Assignee
DualLift GmbH
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 DualLift GmbH filed Critical DualLift GmbH
Publication of EP2628700A2 publication Critical patent/EP2628700A2/fr
Publication of EP2628700A3 publication Critical patent/EP2628700A3/fr
Application granted granted Critical
Publication of EP2628700B1 publication Critical patent/EP2628700B1/fr
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
    • B66B11/00—Main component parts of lifts in, or associated with, buildings or other structures
    • B66B11/04—Driving gear ; Details thereof, e.g. seals
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66D—CAPSTANS; WINCHES; TACKLES, e.g. PULLEY BLOCKS; HOISTS
    • B66D1/00—Rope, cable, or chain winding mechanisms; Capstans
    • B66D1/60—Rope, cable, or chain winding mechanisms; Capstans adapted for special purposes
    • B66D1/605—Rope, cable, or chain winding mechanisms; Capstans adapted for special purposes scaffolding winshes

Definitions

  • the invention relates to a drive device for a lift, with a first and a second rope pulley winch, which each have a traction sheave for interacting with a support cable.
  • the invention further relates to a lift with at least one drive device.
  • Propulsion devices for lifts such as winches in general, have been known for a long time and are used for lifting loads and people, especially for bridging height differences, in all areas of industry.
  • One particular type of winch is the so-called rope-passing winch in which the rope is carried by the winch instead of being rolled up on the winch, for example in a drum.
  • the rope may, for example, depend on one or both sides of the rope-passing winch due to gravity or due to an attacking load, so that the rope-threading does not need to store that part of the rope which has passed through the rope-passing winds. This requires that rope traversing winches basically have an unlimited lifting height or train length.
  • These rope pass winches are used in particular when in a hoistway or at a building an infrastructure for attaching external winches is held or can be kept, such as temporary lift facilities on construction sites.
  • Rope pulleys are used for both passenger and material transport.
  • Generic rope winches usually have a traction sheave and a drive motor with a shaft for transmitting torque via the shaft to the traction sheave. These elements are usually housed together in a housing.
  • the drive motor is usually an electric motor. Such rope pass winches can be obtained, for example, via the present applicant.
  • Object of the present invention is therefore to provide a drive device for a lift, by means of which high loads (about 2000 to 3000 kg) can be transported and at high speeds (preferably up to 18m / min) is operable.
  • a drive device should be easy to handle and easy to install on construction sites and locations for temporary lifts. It is another object of the invention to provide an improved lift that uses such a drive device.
  • the object is achieved in a drive device of the type mentioned above in that the two rope pass winders arranged adjacent to each other connected to each other and are adapted to attack together on a single support cable.
  • the first rope winch is configured to engage a first end of the support rope and the second rope winch is configured to engage the second end of the suspension rope.
  • the support cable is guided over a pulley, in the cable section which is located between the two traction sheaves.
  • the drive device could be attached to a load to be lifted, such as a passenger basket, and the diverting pulley to a building-side holding portion, such as a shaft ceiling.
  • the drive device could also be arranged on the building-side holding section and the deflection roller accordingly on the load, such as the person basket.
  • this provides the advantage that on the one hand the performance of the drive device is doubled by using two rope traversing winches, which are easier to handle due to their respective lower weight than a corresponding single winch with the same overall performance and easier to assemble at temporary lifts, such as on construction sites.
  • the two rope pass winches are adapted to attack together on a single support cable, on the one hand for a driven by the drive device lift only a support cable is required, whereby the assembly is facilitated because only one rope is to be mounted. Furthermore, the costs are reduced.
  • Another advantage is that, according to the legal provisions, in particular EN 1808, in a drive device according to the invention a rope with 9 mm diameter for material transport or 10 mm diameter for passenger transport is permitted, whereas in a single winch with double power a rope with 14 mm diameter is prescribed.
  • the drive device has two rope traverses, the safety is improved. Should one of both rope winches fail due to a fault or defect, a lift by means of the drive device according to the invention is still operable, albeit only with half power.
  • Conventional rope winches, as used here are usually equipped with two different speed levels. Switching is usually achieved by a pole-changing electric motor. These two driving positions are usually referred to as high-speed or slow speed and are usually designed so that the slow speed is about 9 m / min, while the high-speed is corresponding to 18 m / min.
  • the first rope pulley engages the first end of the suspension rope and engages the second rope pulley on the second end of the suspension rope
  • Speeds combined can be varied. For example, it is possible that the first rope-passing winch is running at 9 m / min and the second rope-passing winch is switched off. The driving speed of the device would then be correspondingly 4.5 m / min. If both rope-passing winches run at 9 m / min, the total driving speed is also 9 m / min. The same applies to other driving modes.
  • the axes of rotation of the traction sheave are arranged substantially parallel to one another. This allows a compact design of the drive device and leads to a safe suspension cable guide.
  • the two rope pass winches are arranged facing each other with the traction sheaves.
  • the two rope traversing winders are arranged mirror-inverted to each other or rotated by 180 ° to each other.
  • the two rope-passing winches are preferably arranged so that the carrying rope passes between the two rope-passing winches.
  • the two rope traversing winches are substantially identical.
  • the assembly is simplified due to the many common parts.
  • the maintenance is also simplified. Operating personnel need not familiarize themselves with various types, as the two rope winches are identical to maintain.
  • the costs are further reduced by eliminating the need for duplicate replacement parts since both rope-type winches require the same spare parts.
  • the two rope-passing winches are reversibly detachable and spaced from one another by means of at least one mounting device.
  • Under reversibly releasable connection here is the connecting together corresponding connecting means by force and / or positive connection in such a way that the connection is repeatedly canceled and produced to understand.
  • a positive and / or non-positive connection is preferably preferred by means of screw and plug connections, clamping connections or latching connections. This is particularly advantageous if the drive device is used for a temporary lift and is to be dismantled again after use.
  • the mounting device has two substantially identical mounting elements, which at least partially surround the traction sheaves in the mounted state and form a channel for the supporting cable together with the cable traversing winches.
  • the mounting elements preferably each have a first and second contact portion, by means of which the mounting elements can be mounted in each case against the housing of the first and second cable traversing winches.
  • the rope traversing winches or the housing of the cable traversing winches together with the two mounting elements according to this embodiment form a channel through which the carrying cable passes, the traction cable being in contact with the traction sheaves.
  • the traction sheaves and the supporting cable are arranged protected and so also reduces the risk of injury.
  • the mounting elements each have at least one grip area for gripping and lifting the drive device.
  • the drive device is even easier to handle by the operating personnel.
  • the mounting elements are arranged substantially between the two rope traversing winches, which are connected by means of the mounting elements.
  • the handle sections are arranged on the mounting elements, the handle portions are preferably arranged with respect to a center of gravity of the drive device.
  • the drive device has a load-receiving coupling, by means of which an attacking load can be transmitted substantially uniformly to the two rope-passing winches.
  • the load-bearing coupling is preferably designed such that a load application point is arranged substantially in the middle of a connecting line between the respective load-receiving points of the respective rope-passing winches.
  • the load-receiving coupling is designed substantially as a bow or rocker.
  • the load-receiving coupling is preferably designed to compensate, at least in sections, relative displacement of the two rope-passing winches in such a way that an attacking load can always be transmitted substantially uniformly to the two rope-passing winches.
  • the load-bearing coupling has a first and a second support arm for respectively connecting to the first and second rope-passing winches and a middle support frame for connecting to the load.
  • a load is particularly easy and secure attachable to the two rope pulleys.
  • the drive device comprises two or more further first and second rope traversing winches, each having a traction sheave for cooperation with one or more further corresponding supporting cables, wherein the two or more further first and second rope traversing winches are connected adjacent to each other and are adapted to attack together on the other carrying rope.
  • the rope-passing winches or the interaction of the rope-passing winches are configured according to at least one of the preceding preferred embodiments.
  • the object mentioned in a lift of the type mentioned above is achieved with at least one drive device according to one of the preceding preferred embodiments and a support cable, wherein in each case the first rope-passing winch at a first end of the support cable and the second Rope winch at the second end of the support rope attacks.
  • the carrying cable is guided over a pulley.
  • the support cable therefore has a substantially U-shaped configuration. It is particularly advantageous in this case that the support cable is guided over a deflection roller.
  • the deflection roller is attached to a building-side or to a load-side holding section. If the deflection roller is attached to the building-side holding section, the drive device is preferably attached to the load-side holding section. Accordingly, the drive device is preferably attached to the building-side holding portion when the guide roller is attached to the load-side holding portion.
  • a safety cable is preferably provided, on which a catching device arranged on the load-side holding section engages.
  • Safety gears are devices that are designed to intercept a basket of people to be lifted by means of the lift when a maximum speed is exceeded. They are also referred to as overspeed safety gear. In general, these are mounted on the basket and measure a relative speed between the safety rope, which is arranged substantially parallel to the support cable.
  • the catching device intercepts the passenger basket, for example by triggering jaws and engaging them with force or friction on the safety cable.
  • the safety cable is preferably guided over a deflection roller arranged on the building-side holding section and fastened with a first end to the load-side holding section and acts with a second end with the catching device together.
  • a lift 1 has a drive device 2, which has a first and a second rope-passing winch 4, 6.
  • the two rope pass winches 4, 6 are connected to each other. Both rope traversing winches 4, 6 have an in Fig. 1 Not shown pulley, which each attack on the support cable 8.
  • the support cable 8 is guided over a guide roller 10.
  • a load 18 is attached by means of a load-receiving coupling 16.
  • the load 18 is shown here (and in the other figures) only schematically and should not necessarily be construed as a solid plate.
  • the load-bearing coupling 16 has a receiving rocker 20 and a rigid holder 22 which is fixed to a load-side holding portion 24.
  • the deflection roller 10 is fastened by means of a hook 26 on a building-side holding portion 28.
  • the holding portion 28 is disposed on a supporting portion of a structure to which the load 18 is to be raised.
  • a building for example, a conventional building or a shell in question, a tower of a wind turbine, a scaffolding on construction sites or even arranged on a building exterior wall carrier.
  • the rope traversing winches 4, 6 each have an electric motor 30, 32 and a housing 34, 36 (see also Fig. 2 ).
  • the two rope pass winches 4, 6 are connected by means of a mounting device having two mounting elements 38, 40, substantially rigidly connected to each other.
  • the two mounting elements 38, 40 with the housings 34, 36 of the cable traversing winches 4, 6 together see also Fig. 2 ).
  • the support cable 8 extends between the two cable traversing winches 4, 6, in a channel which is formed by the housing 34, 36 of the rope traversing winches 4, 6 and the two mounting elements 38, 40 of the mounting device.
  • the support cable 8 is guided over the guide roller 10, at the lower ends 12, 14 of the support cable 8, these hang down freely.
  • the drive device 2 thus "climbs" up the support cable 8.
  • the lift 1 (see Fig. 1 ) further comprises a catching device 42, which is also arranged on the load 18 or on the load-side holding portion 24.
  • the safety device 42 cooperates with a safety cable 44, which is fastened with a first end 46 to the load-side holding portion 24 and cooperates with the safety device 42 with a second end 48.
  • the safety cable 44 is over a Guide roller 50 out, which is also secured by a hook 52 on the building side holding portion 28.
  • a weight 54 is arranged, which ensures that the safety cable 44 is guided substantially taut by the safety gear 42 so that it can reliably measure the relative speed to the safety cable 44.
  • the support rope 8 remains substantially stationary, provided that the two rope traversing winches 4, 6 are operated at the same speed.
  • the first rope-passing winch 4 "climbs" on one half of the carrying rope 8, the second rope-passing winch 6 accordingly on the other half. If one of the two rope-passing winches 4, 6 intentionally switched off or falls off, the load 18 is raised only at half speed. This makes it easy to control the speed.
  • For the two rope traversing winches 4, 6 may be provided a common control or for each of the rope traction winches a separate control. If a common control is provided, for example, the first rope-passing winch 4 can be operated as a master and the second rope-passing winch 6 as a slave.
  • FIGS. 1 and 2 In contrast to the first embodiment ( FIGS. 1 and 2 ) is here the pulley 10 by means of the hook 26 attached to the load-side holding portion 24 and the drive device 2 by means of the load-receiving coupling 16 on the building-side holding portion 28.
  • the drive device 2 "therefore does not climb up on the support cable 8, but pulls by means of Supporting rope 8 the load 18 up.
  • the two cable ends 12, 14 are according to this embodiment ( Figures 3 and 4 ) at the upper end, that is, at the building-side holding portion 28 facing the end of the drive device 2 by two sleeves 56, 58, so that the two ends 12, 14 of the support cable 8 can not knot and are deflected away from the building side holding portion 28.
  • the safety gear 42 is in this second embodiment ( Figures 3 and 4 ) same as in the first embodiment ( FIGS. 1 and 2 ).
  • the safety gear 42 could also be arranged like the drive device 2 on the building-side holding portion 28. Accordingly, then the hook 52 of the guide roller 50 would be connected to the load-side holding portion 24.
  • the mounting member 38 has a substantially flat base body 60, which can be punched or cut, for example, from a sheet.
  • the base body 60 three recesses 61, 62, 63 are introduced, which are identical in this embodiment. These recesses 61, 62, 63 serve on the one hand to reduce weight, on the other hand, they serve as mounting holes for mounting the mounting member 38 against the housing 34, 36 of the cable traction winches 4.6.
  • each handle portion 70, 72 is arranged with a corresponding handle 71, 73. In the assembled state can thus be easier to handle the drive device 2.
  • an eyelet 74 is further formed. In this eyelet 74, for example, a crane hook can engage in order to transport a mounted drive device 2 easier.
  • the (not shown here) second mounting member 40 is identical to the mounting member 38 is formed.
  • a receiving rocker 20 a load-receiving coupling 16 is shown.
  • the receiving rocker 20 has a first support arm 80 and a second support arm 82, which are connectable to one of the two cable traversing winches 4, 6.
  • a central support frame 84 is arranged between the two support arms 80, 82 .
  • the support frame 84 has a substantially rectangular base body 86.
  • the two support arms 80, 82 are integrally formed on opposite corners of the support frame 84.
  • At two opposite sides of the main body 86 are two holes 88, 90 arranged coaxially with each other.
  • the other two sides 83, 85 are free of holes.
  • Through the holes 88, 90 for example, a pin or bolt can be arranged, by means of which the holder 22 can be fastened to the receiving rocker 20.
  • FIG. 6 At the two support arms 80, 82 are in Fig. 6 represented two connecting pieces 92, 94 pivotally attached by means of pins 95, 96.
  • the connecting pieces 92, 94 are directly connected to the cable traversing winches 4, 6 and serve to allow a certain balance of assembly inaccuracies.
  • the receiving rocker 20 which is part of the mounting coupling 16, engages a load (in FIG. 6 not shown) substantially in the middle of the connecting line between the two load-receiving points of the corresponding rope traversing winches 4, 6 at.
  • the rectangular base body 86 of the support frame 84 is designed so that an assembly-related distance (perpendicular to the central axis of the holes 88, 90) and an assembly-related offset (along the central axis of the holes 88, 90) is compensated.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Types And Forms Of Lifts (AREA)
  • Lift-Guide Devices, And Elevator Ropes And Cables (AREA)
  • Cage And Drive Apparatuses For Elevators (AREA)

Claims (13)

  1. Dispositif d'entraînement (2) pour un monte-charge (1), comprenant
    un premier (4) et un deuxième (6) treuil à passage de câble, lesquels présentent respectivement une poulie motrice destinée à coopérer avec un câble porteur (8), dans lequel les deux treuils à passage de câble (4, 6) sont disposés l'un par rapport à l'autre de manière adjacente et sont reliés l'un à l'autre, les deux treuils à passage de câble (4, 6) sont mis au point afin de s'engrener conjointement au niveau d'un seul câble porteur (8), dans lequel les treuils à passage de câble (4, 6) sont réalisés de telle manière qu'ils s'engrènent depuis deux côtés se faisant face au niveau du câble porteur (8), lequel câble porteur est guidé par un galet de renvoi (10) dans un tronçon de câble se trouvant entre les poulies motrices, dans lequel le dispositif d'entraînement peut être fixé au niveau d'une charge à soulever et le galet de renvoi au niveau d'un tronçon de maintien côté ouvrage de construction ou le dispositif d'entraînement peut être disposé au niveau du tronçon de maintien côté ouvrage de construction et le galet de renvoi au niveau de la charge,
    caractérisé en ce que les extrémités (12, 14) du câble porteur (8) pendent librement vers le bas.
  2. Dispositif d'entraînement selon la revendication 1,
    caractérisé en ce que les axes de rotation des poulies motrices sont disposés les uns par rapport aux autres essentiellement de manière parallèle.
  3. Dispositif d'entraînement selon la revendication 1 ou 2,
    caractérisé en ce que les deux treuils à passage de câble (4, 6) pourvus des poulies motrices sont disposés de manière tournée l'un vers l'autre.
  4. Dispositif d'entraînement selon l'une quelconque des revendications précédentes,
    caractérisé en ce que les deux treuils à passage de câble (4, 6) sont de construction identique.
  5. Dispositif d'entraînement selon l'une quelconque des revendications précédentes,
    caractérisé en ce que les deux treuils à passage de câble (4, 6) sont reliés l'un à l'autre de manière amovible et réversible et de manière espacée l'un par rapport à l'autre au moyen au moins d'un système de montage.
  6. Dispositif d'entraînement selon la revendication 5,
    caractérisé en ce que le système de montage présente deux éléments de montage (38, 40) essentiellement de construction identique, lesquels, dans l'état monté, entourent au moins en partie les poulies motrices et forment conjointement avec les treuils à passage de câble (4, 6) un canal pour le câble porteur (8).
  7. Dispositif d'entraînement selon la revendication 6,
    caractérisé en ce que les éléments de montage (38, 40) présentent respectivement au moins une zone de préhension (70, 72) servant à saisir et à soulever le dispositif d'entraînement (2).
  8. Dispositif d'entraînement selon l'une quelconque des revendications précédentes,
    caractérisé par un couplage à absorption de charge (16), au moyen duquel une charge (18) s'engrenant peut être transférée essentiellement de manière homogène sur les deux treuils à passage de câble (4, 6).
  9. Dispositif d'entraînement selon la revendication 8,
    caractérisé en ce que le couplage à absorption de charge (16) présente un premier bras porteur (80) et un deuxième bras porteur (82) destinés à être reliés respectivement au premier et au deuxième treuil à passage de câble (4, 6) et un châssis porteur (84) central destiné à être relié à une charge (18).
  10. Dispositif d'entraînement selon l'une quelconque des revendications précédentes,
    caractérisé par deux autres premier et deuxième treuils à passage de câble ou plus, lesquels présentent respectivement une poulie motrice destinée à coopérer avec un ou plusieurs autres câbles porteurs correspondants, dans lequel les deux autres premier et deuxième treuils à passage de câble ou plus sont reliés les uns aux autres en étant disposés de manière adjacente les uns par rapport aux autres et sont mis au point afin de s'engrener conjointement au niveau de l'autre câble porteur correspondant.
  11. Monte-charge (1), comprenant
    au moins un dispositif d'entraînement (2) et
    un câble porteur (8), dans lequel le dispositif d'entraînement est réalisé selon l'une quelconque des revendications précédentes, et respectivement le premier treuil à passage de câble (4) s'engrène au niveau d'une première extrémité (12) du câble porteur (8) et le deuxième treuil à passage de câble (6) s'engrène au niveau de la deuxième extrémité (14) du câble porteur (8) de telle manière que les treuils à passage de câble (4, 6) s'engrènent au niveau du câble porteur (8) depuis deux côtés se faisant face, lequel câble porteur est guidé par un galet de renvoi (10) dans un tronçon de câble se trouvant entre les poulies motrices, dans lequel le dispositif d'entraînement est fixé au niveau d'une charge à soulever et le galet au niveau d'un tronçon de maintien côté ouvrage de construction ou le dispositif d'entraînement est disposé au niveau du tronçon de maintien côté ouvrage de construction et le galet de renvoi au niveau de la charge,
    caractérisé en ce que les extrémités (12, 14) du câble porteur (8) pendent librement vers le bas.
  12. Monte-charge selon la revendication 11, caractérisé par un câble de sécurité (44), au niveau duquel s'engrène un dispositif d'arrêt (42) disposé au niveau du tronçon de maintien (24) côté charge.
  13. Monte-charge selon la revendication 12, caractérisé en ce que le câble de sécurité (44) est guidé par l'intermédiaire d'un galet de renvoi (50) installé au niveau du tronçon de maintien (28) côté ouvrage de construction et est fixé, par une première extrémité (46), au niveau du tronçon de maintien (24) côté charge et coopère, par une deuxième extrémité (48), avec le dispositif d'arrêt (42).
EP13154743.2A 2012-02-16 2013-02-11 Dispositif de levage à double treuil Not-in-force EP2628700B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102012202430A DE102012202430A1 (de) 2012-02-16 2012-02-16 Liftvorrichtung mit Doppelwinde

Publications (3)

Publication Number Publication Date
EP2628700A2 EP2628700A2 (fr) 2013-08-21
EP2628700A3 EP2628700A3 (fr) 2015-07-01
EP2628700B1 true EP2628700B1 (fr) 2016-07-13

Family

ID=47739087

Family Applications (1)

Application Number Title Priority Date Filing Date
EP13154743.2A Not-in-force EP2628700B1 (fr) 2012-02-16 2013-02-11 Dispositif de levage à double treuil

Country Status (2)

Country Link
EP (1) EP2628700B1 (fr)
DE (1) DE102012202430A1 (fr)

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1285473A (en) * 1969-07-21 1972-08-16 Thomas Ltd Martin Improvements in or relating to rope climbing devices
US5090666A (en) * 1988-10-13 1992-02-25 May Marvin M Hoist apparatus
DE10315267A1 (de) * 2003-04-03 2004-10-14 Wittur Ag Aufzuganlage
JPWO2006092967A1 (ja) * 2005-03-01 2008-08-07 三菱電機株式会社 エレベータ装置
US7631730B2 (en) * 2005-11-04 2009-12-15 Sky Climber, Llc Powered controlled acceleration suspension work platform hoist system

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Publication number Publication date
EP2628700A2 (fr) 2013-08-21
EP2628700A3 (fr) 2015-07-01
DE102012202430A1 (de) 2013-08-22

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