WO2015007769A1 - Système d'ascenseur - Google Patents

Système d'ascenseur Download PDF

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Publication number
WO2015007769A1
WO2015007769A1 PCT/EP2014/065226 EP2014065226W WO2015007769A1 WO 2015007769 A1 WO2015007769 A1 WO 2015007769A1 EP 2014065226 W EP2014065226 W EP 2014065226W WO 2015007769 A1 WO2015007769 A1 WO 2015007769A1
Authority
WO
WIPO (PCT)
Prior art keywords
elevator
elevator system
cabin
pulley frame
pulley
Prior art date
Application number
PCT/EP2014/065226
Other languages
English (en)
Inventor
Carlos Legua
Original Assignee
Aip Aps
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 Aip Aps filed Critical Aip Aps
Priority to CN201480040177.2A priority Critical patent/CN105377737B/zh
Publication of WO2015007769A1 publication Critical patent/WO2015007769A1/fr

Links

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
    • B66B9/16—Mobile or transportable lifts specially adapted to be shifted from one part of a building or other structure to another part or to another building or structure
    • B66B9/187—Mobile or transportable lifts specially adapted to be shifted from one part of a building or other structure to another part or to another building or structure with a liftway specially adapted for temporary connection to a building or other structure
    • 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
    • B66B7/064—Power supply or signal cables

Definitions

  • the present disclosure relates to elevator systems, for example service elevator systems.
  • the elevator systems may be configured for use in wind turbine towers.
  • the present disclosure further relates to wind turbines comprising such elevator systems.
  • Wind turbines are commonly used to supply electricity into the electrical grid.
  • Wind turbines generally comprise a rotor with a rotor hub and a plurality of blades.
  • the rotor is set into rotation under the influence of the wind on the blades.
  • the rotation of the rotor shaft drives the generator rotor either directly (“directly driven") or through the use of a gearbox.
  • the operation of the generator produces the electricity to be supplied into the electrical grid.
  • hoists are often used in the form of elevator-like structures where a lift platform or a cabin for the transportation of people and/or equipment is hoisted up or down within the wind turbine tower.
  • Wind turbines are often provided with working platforms arranged at various heights along the height of the tower with the purpose of allowing workers to leave the cabin and inspect or repair equipment where intended.
  • These sorts of elevator systems are also known in other applications, such as e.g. factories, construction sites, and all sorts of towers. Elevator systems in general include an elevator car being suspended within a hoistway by ropes, cables or belts. In some systems, e.g. some electric elevators, a counterweight may be provided, depending on e.g. the available space. Other systems such as hydraulic elevators normally do not comprise a counterweight.
  • elevator systems typically include a moving or travelling cable for supplying electric power to the elevator cabin and/or for signal communication between components associated with the elevator car/cabin and a control panel provided in a fixed location relative to the hoistway.
  • the control panel may be provided at any height up in the hoistway.
  • an intermediate travelling cable fixation point may be chosen, most frequently at a height which is halfway up in the hoistway. Therefore, when the elevator car is below this height, the travelling cable is thus suspended downwards. And when the elevator car is above this height, the travelling cable is thus carried upwards.
  • a travelling cable may begin to move and sway within an elevator hoistway or the cable can become tangled up in itself.
  • This is most prominent in high slender structures, such as e.g. tower of larger (MW class) wind turbines, in which the tower may move significantly.
  • elevator ropes and cables which may include hoist ropes, compensation ropes, governor ropes, and travelling cables, may also vibrate in harmony with the wind induced sway of the structure and other dynamic factors affecting the structure.
  • loads such as for example aerodynamic forces associated with the wind, rotor rotation, etc. may act on the structure.
  • the aforementioned loads can produce vibrations and sway of the ropes and cables which may cause fatigue and wear, excessive noise, and the increased possibility of tangling thus potentially shortening the lifetime of the cables and complicating normal operation of the elevator system.
  • Document JP6278968 describes a moving cable stabilizer for an elevator comprising a guide member installed in a vertical direction between the elevator car and an internal surface of the hoistway, a feed roller support, a support arm attached to the roller support and slidably attached to the guide member and two or more feed rollers arranged in parallel in an axial direction and rotatably attached to the feed roller support.
  • a guide member installed in a vertical direction between the elevator car and an internal surface of the hoistway
  • a feed roller support a support arm attached to the roller support and slidably attached to the guide member and two or more feed rollers arranged in parallel in an axial direction and rotatably attached to the feed roller support.
  • an elevator system comprising an elevator cabin guided by or guided around one or more substantially rigid guiding elements, a travelling cable for supplying energy to the elevator cabin, and a pulley mounted on a pulley frame.
  • the pulley with the pulley frame is movably suspended on the travelling cable and the system further comprises one or more transverse elements each having one end attached to the pulley frame and the other end adapted to be slidably arranged with respect to one or more of the rigid guiding elements.
  • the travelling cable in use, i.e. when the elevator cabin goes up and down, the travelling cable is carried upwards and downwards. Since the pulley and the pulley frame are movably suspended from the travelling cable, in use, the pulley with the pulley frame can self-travel along the travelling cable. Such a motion of the pulley and pulley frame on the travelling cable straightens the travelling cable at all possible positions. Furthermore, the provision of a transverse element having one end attached to the pulley frame and the other end slidably arranged with respect to one or more of the rigid guiding elements together with the motion of the pulley frame along the travelling cable entails a slide of the transverse element along such rigid guiding elements.
  • the transverse elements thus act as a spacer between the pulley frame which slides on the travelling cable and the rigid guiding elements. This can substantially stabilize the travelling cable's position even when loads producing vibrations and sway of the cables are acting. Tangling up of the travelling cable in itself can also thus be avoided or substantially reduced with the provision of such spacers, i.e. transverse elements.
  • the travelling cable is thus subjected to less stress therefore extending its lifetime.
  • guiding elements which are already present in the system are used. No additional guiding elements are necessary.
  • the provision of transverse elements substantially as hereinbefore described is quite simple to implement. It can therefore be easily retrofit into existing elevator installations having travelling cables with a pulley suspended from the travelling cable. Moreover, it is a solution that may be fitted in a relatively small area as it is the hoistway dimension of an elevator system.
  • pulley is to be understood as covering any form of wheel or roller that guides or redirects a cable along its circumference.
  • Pulley herein thus covers e.g. sheaves with a specific groove around its circumference between two flanges, but also any other form of cable guiding wheel.
  • a system substantially as hereinbefore described ensures that the ability of the travelling cable to move in the horizontal plane, i.e. in a plane substantially perpendicular to the up and down movement of the elevator cabin is reduced.
  • the rigid guiding element may be a ladder arranged on an inner surface of a hoistway of the elevator system and the transverse elements may be adapted to be slidably arranged with respect to the ladder.
  • the rigid guiding element may be a guide rail arranged on an inner surface of a hoistway of the elevator system and the transverse elements may be adapted to be slidably arranged with respect to the guide rail.
  • the rigid guiding element may be a pair of taut cables running laterally from the elevator cabin and the transverse elements may be adapted to be slidably arranged with respect to at least one of the taut cables. Combinations of these embodiments may also be possible.
  • an inner surface of a hoistway of the elevator system may be provided with a rack and the elevator cabin may be provided with a pinion arranged to mesh with the rack such that the elevator cabin can be driven by the rack and pinion engagement.
  • a motor driving the pinion may be arranged inside the elevator cabin.
  • one or more traction wire ropes may be used for driving the elevator cabin.
  • the pulley frame may further be adapted to be guided along at least one traction wire rope or a safety wire rope.
  • the pulley frame may further be provided with runners arranged such that in use the runners can glide on the inner surface of a hoistway of the elevator system. This way, in use, when the pulley frame self-travels along the travelling cable it can also be guided on the inner surface of the hoistway of the elevator system by the runners and discontinuities such as the junctions between e.g. wind turbine tower's sections of such an inner surface can be easily overcame in a relatively smooth manner.
  • the end of the transverse element that is adapted to be slidably arranged with respect to the rigid guiding element may be selected from the group consisting of a pair of rollers, an eyelet or a substantially C-shaped profile.
  • other ways of adapting the end of the transverse elements for being slidably arranged with respect to the rigid guiding elements may be foreseen.
  • a second aspect provides a wind turbine comprising an elevator system substantially as hereinbefore described arranged within a wind turbine tower.
  • Figure 1 shows a perspective of a service elevator system according to a first embodiment
  • Figures 2a and 2b show two perspective views of a service elevator system according to a second embodiment
  • Figure 3 shows a perspective of a service elevator system according to a third embodiment
  • Figures 4a - 4d show the pulley frame with transverse elements according to different embodiments.
  • FIG. 1 shows an elevator system according to a first embodiment.
  • the elevator system may comprise an elevator cabin 1 which may move up and down in the inside of a hoistway (not shown) driven by a traction wire rope 7. In alternative embodiments, more than one traction wire rope may be provided. A safety wire rope 8 may further be provided.
  • the elevator cabin 1 may be guided by a pair of taut cables 2 running laterally from the elevator cabin 1 .
  • the elevator cabin 1 may be provided with cable guiding means 14 that may be selected from the group consisting of a tubular part, a ring or an eyelet, a substantially C-shaped profile or similar. At least one cable guiding means 14 may be arranged at each side of the elevator cabin or two or more such means may be arranged at least in an upper and a lower location of each side of the elevator cabin.
  • the taut cables are under tension, and due to this tension they become relatively rigid and thus suitable as a cabke guiding means.
  • a travelling cable 3 may be provided for supplying energy to the elevator cabin 1 .
  • the travelling cable 3 may be connected to a power supply at one end (not shown) and to the elevator cabin 1 at the other end.
  • a pulley 4 mounted on a pulley frame 5 may be arranged in a movably suspended manner on the travelling cable 3.
  • One end of the travelling cable arrangement may be mounted at some point along the hoistway. In case of an elevator system for a wind turbine it may be attached at the tower.
  • the other end of the travelling cable arrangement may be connected to the elevator cabin.
  • the height at which the travelling cable arrangement is mounted may be at approximately half the total height of the hoistway, or in this case, at approximately half the total height of the tower.
  • the power supply may be provided at any height in the hoistway
  • Two transverse arms 6 may each extend laterally from the pulley frame 5.
  • each transverse arm 6 may extend substantially perpendicular from an up and down direction of motion of the elevator cabin 1 (see arrow A).
  • Each transverse arm 6 may extend towards one of the taut cables 2.
  • a free end 61 of the transverse arms may be adapted to be slidably arranged with respect to the taut cable 2.
  • only one transverse arm may be provided.
  • Figures 4a-4d show the free ends of the transverse arms according to some different embodiments.
  • the transverse arms may be made with the pulley frame as an integral piece or they may be welded to the pulley frame. In other cases, they may be fixed to the pulley frame by e.g. screws or bolts.
  • a ladder (not shown) may further be provided and the elevator cabin may be guided around the ladder by the taut cables.
  • the pulley frame 5 may further be guided along the traction 7 and safety 8 wire ropes of the elevator system. In other cases, the pulley frame may be adapted to be guided along at least one of the traction and safety wire ropes.
  • Figures 4a-4d show a pulley frame adapted to be guided along at least one of traction and safety wire ropes according to an embodiment.
  • these further cables may also benefit from the increased stability of the travelling cable arrangement.
  • the two transverse arms help to reduce oscillations and movements of the travelling cable. If the travelling cable pulley is relatively fixed in space, then the corresponding portions of these further cables are also fixed in space. The movements of these further cables (for traction, safety etc.) may thus also be reduced.
  • the elevator cabin 1 may further be provided with feet 9 made for example of rubber, providing a distance between a bottom portion of the elevator cabin and a bottom platform floor when the elevator cabin reaches the bottom platform floor.
  • a cable stocking 10 may further be provided at each end of the travelling cable 2 for aiding cable hauling in use.
  • Figures 2a and 2b show two perspective views of a service elevator system according to a second embodiment.
  • Figures 2a and 2b differ from figure 1 in that the elevator cabin 1 may be guided by a ladder 1 1 arranged on an inner surface of a hoistway (not shown) of the elevator system, for example an inner surface of a wind turbine tower.
  • Figure 2b shows that at least two pairs of runners 1 1 1 may be provided at the elevator cabin 1 for guiding the elevator cabin on the ladder 1 1 . In other embodiments more pairs of runners may be provided at the elevator cabin for guiding the cabin on the ladder.
  • the two transverse arms 6' may comprise free ends 61 ' comprising each a further pair of wheels or runners 62 for being slidably arranged with respect to the ladder 1 1 .
  • only one transverse arm may be provided.
  • traction and safety ropes are provided for hoisting and driving the elevator cabin 1 .
  • these ropes may also benefit from the increased stability of the travelling cable.
  • the elevator cabin may comprise a drive belt for driving the elevator cabin along the ladder.
  • the drive belt may have a plurality of climb pins arranged such that in use a climb pin engages with a rung of the ladder.
  • a motor that may be provided in the elevator cabin may drive the drive belt
  • an inner surface of a hoistway of the elevator system e.g. an inner surface of a wind turbine tower may be provided with a rack 12 and the elevator cabin 1 may be provided with a pinion (not shown) arranged to mesh with the rack 12 such that the elevator cabin can be driven by the rack and pinion engagement.
  • the two transverse arms 6' may comprise free ends 61 ' comprising each a further pair of runners 62 for being slidably arranged with respect to the ladder 1 1 in a similar manner as explained before in connection with figures 2a and 2b. In alternative embodiments, only one transverse arm may be provided.
  • Figure 3 shows a perspective view of a service elevator system according to a third embodiment.
  • Figure 3 differs from figure 1 in that the elevator cabin 1 may be guided by a ladder 1 1 arranged on an inner surface of a hoistway (not shown) of the elevator system in a similar manner as explained in connection with figures 2a and 2b.
  • the rack may be provided along one of the side rails of the ladder.
  • the elevator cabin may further be adapted to guide the travelling cable at each side of the elevator cabin 1 .
  • the elevator cabin 1 may comprise at least one travelling cable guide 13 at each side.
  • the guide 13 may be in the form of tubular part, a ring or an eyelet or a substantially C- shaped support.
  • C-shaped supports may be particularly easily retrofitted in existing elevator systems as there is no need for a full dismantling of the travelling cable in order to be arranged inside a C-shaped support.
  • the elevator cabin may be guided by a rail arranged on an inner surface of a hoistway of the elevator system, e.g. a wind turbine tower.
  • the transverse elements may be adapted to be slidably arranged with respect to the rail e.g. by wheels or rollers adapted to engage with the rail.
  • the guide rail may for example have a U-shaped section and the rollers or wheels may be engaged in that U-shaped section with a prescribed clearance allowing carrying out sliding movement.
  • the elevator cabin may move along a vertical path within a hoistway guided by two guide rails arranged at both sides of the width of the elevator cabin.
  • a ladder (not shown) may further be provided and the elevator cabin may be guided around the ladder by the guide rail.
  • the guide rails may carry a rack, with which a pinion arranged with the cabin can engage.
  • Figures 4a-4d show the pulley 4 arranged within the pulley frame 5 and transverse elements 6 according to different embodiments.
  • Figure 4a shows an embodiment in which only one transverse arm 6 is fixed to the pulley frame 5 by screws 51 .
  • the transverse arm 6 may comprise a free end 61 having a substantially C-shaped guide 60 that may be fixed to a free end 61 of the arm by a further screw 63.
  • Other shapes or supports may also be foreseen for the free ends of the transverse arm as long as they may be adapted to be slidably mounted with respect to a cable, a ladder or a guide rail depending on circumstances.
  • the pulley frame 5 may further comprise at least one flange 52 provided with two holes 53 for guiding traction and/or safety ropes of the elevator system. In alternative embodiments other number of holes may be provided.
  • the flange 52 may be integrally formed with the pulley frame 5. In others, it may be welded or it may be fixed with screws to the pulley frame.
  • Figure 4a shows an embodiment in which top and lower flanges 52 may be integrally formed with the pulley frame 5. Each flange 52 may comprise two holes 53.
  • Figure 4b differs from figure 4a in that two transverse arms are provided. The rest is substantially similar to figure 4a. In figure 4b the two flanges 52 are clearly visible.
  • Figure 4c differs from figure 4b in that the pulley frame 5 further comprises runners that can glide or ride over the inner surface of the hoistway.
  • the pulley frame 5 further comprises runners that can glide or ride over the inner surface of the hoistway.
  • four wheels 54 arranged in pairs (upper and lower pair of wheels) through a shaft 55 are provided. The wheels may help overcome any bumps or protrusions of the inner surface of the hoistway of the elevator system, e.g. the junctions between tower sections for the inner surface of a wind turbine tower wall.
  • Figure 4d differ from figures 4b and 4c in that each free end 61 ' of the transverse elements 6' comprises a pair of runners 62 arranged to slide along the taut cable 2 or the ladder (see figure 3).
  • the pulley frame in this example, as well as in the examples of figures 4a and 4b, furthermore comprises wedge shaped guiding elements 56.
  • the wedge shaped elements can help the pulley frame to slide over such a junction.
  • Similar wedge shaped guiding elements may be provided at the bottom of the pulley frame for the same reasons. These wedge shaped guiding elements thus act as runners gliding along an inner surface of e.g.

Landscapes

  • Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Civil Engineering (AREA)
  • Transportation (AREA)
  • Automation & Control Theory (AREA)
  • Lift-Guide Devices, And Elevator Ropes And Cables (AREA)
  • Types And Forms Of Lifts (AREA)
  • Wind Motors (AREA)

Abstract

L'invention concerne un système d'ascenseur comprenant une cabine guidée par ou autour d'un ou plusieurs éléments de guidage sensiblement rigides, un câble mobile pour fournir l'énergie à la cabine d'ascenseur, et une poulie montée sur un cadre, la poulie pourvue du cadre étant suspendue amovible sur le câble mobile, le système comprenant également un ou plusieurs éléments transversaux, chaque élément comportant une extrémité reliée au cadre de poulie et l'autre extrémité étant conçue pour être disposée coulissante par rapport à un ou plusieurs des éléments de guidage rigides. Une éolienne comprenant ce système d'ascenseur est également décrite.
PCT/EP2014/065226 2013-07-17 2014-07-16 Système d'ascenseur WO2015007769A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201480040177.2A CN105377737B (zh) 2013-07-17 2014-07-16 升降机系统

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP13382291.6 2013-07-17
EP13382291.6A EP2826742B1 (fr) 2013-07-17 2013-07-17 Système élévateur

Publications (1)

Publication Number Publication Date
WO2015007769A1 true WO2015007769A1 (fr) 2015-01-22

Family

ID=48915962

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2014/065226 WO2015007769A1 (fr) 2013-07-17 2014-07-16 Système d'ascenseur

Country Status (6)

Country Link
EP (2) EP3572366B1 (fr)
CN (1) CN105377737B (fr)
DK (1) DK2826742T3 (fr)
ES (1) ES2901435T3 (fr)
PL (1) PL3572366T3 (fr)
WO (1) WO2015007769A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112645181A (zh) * 2021-02-02 2021-04-13 杭州百科新材料有限公司 一种施工用井道升降机

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DK2923988T3 (en) 2014-03-26 2018-07-30 Aip Aps Elevator system
DK3239089T3 (en) * 2016-04-27 2019-04-23 Aip Aps WIND TURBINE WITH ELEVATOR SYSTEM
EP3312125A1 (fr) * 2016-10-19 2018-04-25 Aip Aps Systèmes d'ascenseur
EP3425136B1 (fr) * 2017-07-05 2020-02-26 Alimak Group Management AB Systèmes de transport, systèmes d'ascenseur, kits, sections de tour et procédés permettant d'effectuer des opérations de maintenance ou d'assemblage dans des tours
CN108313852A (zh) * 2018-04-03 2018-07-24 上海爱登堡电梯集团股份有限公司 大桥电梯随行电缆运行安全装置
EP3904673B1 (fr) * 2020-04-30 2023-11-01 Siemens Gamesa Renewable Energy A/S Plateforme d'éolienne, éolienne comprenant la plateforme et procédé d'assemblage d'une éolienne

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1889806A1 (fr) * 2005-05-19 2008-02-20 Tecnologia en Sistemas de Elevacion y Transporte Monte-charge pour espaces confines
CA2823982A1 (fr) * 2011-01-26 2012-08-02 Wobben Properties Gmbh Procede et dispositif pour eriger un mat d'une eolienne
DE202012008218U1 (de) * 2012-08-28 2012-09-24 Geda-Dechentreiter Gmbh & Co. Kg Kabelwagen
US20130133982A1 (en) * 2011-05-30 2013-05-30 Geda-Dechentreiter Gmbh & Co. Kg Hoist

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6278968A (ja) 1985-10-02 1987-04-11 Matsushita Graphic Commun Syst Inc フアクシミリ装置
CN201261671Y (zh) * 2008-06-17 2009-06-24 中际联合工业技术(北京)有限公司 一种塔筒电梯
EP2364405B1 (fr) * 2008-11-11 2019-10-02 SafeWorks, LLC Dispositifs de stabilisation
ES2381833B1 (es) * 2010-04-08 2013-06-11 Gamesa Innovation & Technology, S.L. Montaje de elementos en el interior de un gran aerogenerador
CN102134030A (zh) * 2011-04-11 2011-07-27 博宇(无锡)科技有限公司 风力发电机组升降维护平台
EP2522616A1 (fr) * 2011-05-12 2012-11-14 Siemens Aktiengesellschaft Elevator apparatus
CN102424321B (zh) * 2011-10-21 2014-05-07 上海东锐风电技术有限公司 具有导向槽的风机塔筒升降梯
WO2015025493A1 (fr) 2013-08-23 2015-02-26 日本電産コパル電子株式会社 Mécanisme d'amortissement

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1889806A1 (fr) * 2005-05-19 2008-02-20 Tecnologia en Sistemas de Elevacion y Transporte Monte-charge pour espaces confines
CA2823982A1 (fr) * 2011-01-26 2012-08-02 Wobben Properties Gmbh Procede et dispositif pour eriger un mat d'une eolienne
US20130133982A1 (en) * 2011-05-30 2013-05-30 Geda-Dechentreiter Gmbh & Co. Kg Hoist
DE202012008218U1 (de) * 2012-08-28 2012-09-24 Geda-Dechentreiter Gmbh & Co. Kg Kabelwagen

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112645181A (zh) * 2021-02-02 2021-04-13 杭州百科新材料有限公司 一种施工用井道升降机

Also Published As

Publication number Publication date
PL3572366T3 (pl) 2022-03-21
EP2826742B1 (fr) 2019-04-17
CN105377737A (zh) 2016-03-02
EP3572366B1 (fr) 2021-09-22
EP2826742A1 (fr) 2015-01-21
EP3572366A1 (fr) 2019-11-27
DK2826742T3 (da) 2019-07-22
ES2901435T3 (es) 2022-03-22
CN105377737B (zh) 2018-07-20

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