EP2379438A1 - Tambour d'entraînement d'une installation d'ascenseur - Google Patents

Tambour d'entraînement d'une installation d'ascenseur

Info

Publication number
EP2379438A1
EP2379438A1 EP10703027A EP10703027A EP2379438A1 EP 2379438 A1 EP2379438 A1 EP 2379438A1 EP 10703027 A EP10703027 A EP 10703027A EP 10703027 A EP10703027 A EP 10703027A EP 2379438 A1 EP2379438 A1 EP 2379438A1
Authority
EP
European Patent Office
Prior art keywords
drum
support means
drive
drive drum
carrier layer
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.)
Granted
Application number
EP10703027A
Other languages
German (de)
English (en)
Other versions
EP2379438B1 (fr
Inventor
Carlos Yankelevich
Christoph Liebetrau
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.)
Inventio AG
Original Assignee
Inventio AG
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 Inventio AG filed Critical Inventio AG
Priority to EP10703027.2A priority Critical patent/EP2379438B1/fr
Publication of EP2379438A1 publication Critical patent/EP2379438A1/fr
Application granted granted Critical
Publication of EP2379438B1 publication Critical patent/EP2379438B1/fr
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B66HOISTING; LIFTING; HAULING
    • B66BELEVATORS; ESCALATORS OR MOVING WALKWAYS
    • B66B15/00Main component parts of mining-hoist winding devices
    • B66B15/02Rope or cable carriers
    • B66B15/06Drums
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B66HOISTING; LIFTING; HAULING
    • B66BELEVATORS; ESCALATORS OR MOVING WALKWAYS
    • B66B11/00Main component parts of lifts in, or associated with, buildings or other structures
    • B66B11/0065Roping
    • B66B11/0075Roping with hoisting rope or cable positively attached to a winding drum

Definitions

  • the invention relates to a drive drum of an elevator installation according to the preamble of claim 1.
  • the invention is in particular the object of providing a drive drum that allows a material-gentle winding or storage of a support means and also allows a uniform winding and unwinding of the suspension means to achieve a high ride comfort of an elevator car.
  • This object is achieved by a drive drum having the features of claim 1. Further embodiments will be apparent from the dependent claims and subclaims.
  • the invention relates to a drive drum of an elevator installation, which is equipped to receive at least one belt-like support means.
  • the drive drum has a drum hub with a
  • Drum axis of rotation surrounding support means applying surface, wherein at least in a partial region of the Tragstoffanlege requirements the radial distance of Tragstoffanlege Structure of the drum rotation axis increases with increasing rotation angle ( ⁇ ).
  • a "drive drum” is to be understood as meaning, in particular, a drum which is intended to drive a suspension element by rotation, wherein it is wound or unwound in several layers or turns one above the other on the drive drum.
  • a "belt-like" suspension element is to be understood as meaning, in particular, a suspension element with a cross-sectional shape deviating from a circular shape, wherein the cross-sectional shapes are designed such that, in particular in the stored and functionally loaded state of the suspension element, at least 90% of the cross-sectional area
  • Belt-like support means may comprise a core of wire or plastic cables embedded in a polymer sheath, in particular an elastomer sheath, the core preferably containing a plurality of cable strands a drive drum or a drum hub of the drive drum are understood, to which a support means is applied directly in a functional condition.
  • a "radial distance” is to be understood as meaning, in particular, a distance radially extending from a drum rotation axis of the drive drum or the drum hub to an arbitrary point of the support element application surface.
  • a "subarea of the suspension element application surface” is to be understood as meaning a region of the radially outwardly directed surface of the drum hub of the drive drum.
  • a "rotation angle ⁇ " should be understood in the present context to mean an apex thereof is located on the drum rotation axis, the first leg of which passes through a beginning of the support means abutment surface which is characterized by having the smallest radial distance to the drum rotation axis and whose second leg passes through an observed location on the support means abutment surface is defined by the direction in which the support means is wound on the drum hub.
  • the support means applying surface on a first and a second portion which merge into one another without offset, wherein at least in the second portion of the increase of the radial distance of the support means applying surface of the drum rotation axis is proportional to the increase of the rotation angle ( ⁇ ).
  • an "increase in the radial distance proportional to the increase in the angle of rotation” is understood to mean an increase in the radial distance corresponding to the increase in the radial distance of the spiral line from the center of an Archimedean spiral.
  • the said spiral line distance is by definition proportional to the angle of rotation ⁇ in each section, and the increase in radial distance from the center of an Archimedean spiral over an angle of 360 ° is referred to as its spiral slope.
  • suspension element application surface increases in the second subregion according to an Archimedean spiral is a prerequisite for all layers of the wound suspension element being wound up in accordance with the course of an Archimedean spiral. This in turn is a prerequisite is that with simple drive means a uniform support means speed and thus a uniform speed or a uniform acceleration of the elevator car can be achieved.
  • the Tragstoffanlege design the drum hub is designed so that the course of Tragstoffanlege requirements in its second portion corresponds to the course of the spiral line of an Archimedean spiral whose spiral pitch is substantially equal to the thickness (S) of the support means.
  • This ensures that when winding the support means, in particular at the point at which a second carrier layer position the beginning of the touched first Tragstofflage, no kink in the support means is formed, and that the entire support means is wound according to an Archimedean spiral in order to achieve the above-described advantageous effect with respect to the uniformity of the elevator car movement.
  • the term "thickness (S) of the suspension element” is to be understood as meaning radial
  • the Tragstoffanlege design the drum hub is designed so that in the first part of the Tragstoffanlege requirements the radial distance of Tragstoffanlege descriptions of the drum rotation axis increases with increasing rotation angle ( ⁇ ) than in the second part.
  • rotation angle
  • the support means abutment surface which is stronger in said first portion of the support means abutment surface than in the second portion, it is achieved that between the first and the second carrier layer position, a fastener can be inserted, with which an initial region of the first carrier layer position on the drum hub is fixable.
  • the said fastening element is arranged in a space which is present radially above the initial region of the first carrier layer, that in the first portion of the Tragstoffanlege measurements the radial distance of Tragstoffanlege descriptions of the drum rotation axis increases with increasing rotation angle ( ⁇ ) more than in the second portion.
  • Said space is bounded on the one hand in the radial direction by the radially outwardly directed surface of the initial region of the first carrier layer which rests on the first, steeper, rising region of the carrier-carrying surface.
  • this space is limited by the radially inwardly directed surface of a lying over the first portion of the Tragstoffanlege Structure range of a second carrier layer whose course corresponds to the continuation of the first carrier layer according to the Archimedean spiral, by the first carrier layer or by the second portion of the Tragstoffanlege Structure is determined.
  • said fastening element viewed in the direction of the drum rotation axis, has a crescent-shaped cross section.
  • the free space is used optimally, which is created by the fact that in the first part and in the second Subregion of the suspension element application surface different increases in the radial distance of the suspension element application surface of the drum rotation axis are present.
  • the crescent-shaped cross-section allows sufficient strength of the fastener and a maximum contact surface with respect to the beginning of the first carrier layer position to be fixed.
  • the fastening element has a radially inwardly directed clamping surface resting on the initial region of the first carrier layer and a radially outwardly directed support surface, the radially outwardly directed support surface forming a contact surface for the second carrier layer lying above the initial region of the first carrier layer and corresponding to FIG formed in this area given course of the Archimedean spiral.
  • the Tragstoffanlege the drum hub at the beginning of its first portion or at the end of its second portion of an offset with a radial offset whose height (H) is substantially the sum of the thickness (S) of the support means and a maximum radial thickness (D ) of the fastener corresponds.
  • This offset also corresponds to the described increase in the radial distance of the suspension element application surface over the 360 ° rotation angle of the entire support means application surface.
  • the offset point also serves as a positioning stop for the end face of the starting region of the first carrier layer during assembly of the suspension element on the drive drum.
  • the drive drum comprises at least one disc-shaped support means guide element.
  • a support means guide member is preferably made of sheet metal and forms a lateral support for the plurality of carrier layers, which on the associated drum hub of the drive drum can be wound up.
  • Disc-shaped support means guide elements are usually present on both sides of each drum hub and ensure the correct winding of the support means even with not perfectly aligned with the drum hubs support means.
  • the disk-shaped support means guide elements in the region of their outer diameter on circumferential chamfers.
  • Such bevels largely avoid excessive frictional wear on support means that are not perfectly aligned with the drum plane.
  • the support means guide elements at least in some areas a friction-reducing surface treatment or surface coating.
  • Reibverschleiss is reduced to the support means and in particular the excitation of vibrations in the support means avoided.
  • the drive drum is provided for driving and winding a number n of parallel arranged support means, wherein n drum hubs are mounted with fixed support means guiding elements arranged on both sides on a drive shaft and fixed.
  • n drum hubs are mounted with fixed support means guiding elements arranged on both sides on a drive shaft and fixed.
  • the drum hubs and the side of the drum hubs Tragstoffensesetti are pressed together by a tensioning device axially against a stop of the drive shaft. At least the drum hubs are secured by a rotation lock against rotation on the drive shaft.
  • a tensioning device axially against a stop of the drive shaft.
  • At least the drum hubs are secured by a rotation lock against rotation on the drive shaft.
  • FIG. 2 shows a cross section through a drive drum with a drum hub, a suspension element guide element and a suspension element partially wound on the drum hub,
  • FIG. 3 shows a drive drum mounted on a drive shaft for guiding three belt-like support means, with a plurality of drum hubs, disk-shaped support means guide elements and spacer bushes
  • FIG. 3A shows a section through the drive drum mounted according to FIG. 3
  • Fig. 1 shows an elevator system 10 with a drive drum 12 which is equipped to drive four belt-like support means 14 and receive by winding.
  • a drive drum 12 which is equipped to drive four belt-like support means 14 and receive by winding.
  • the support means hangs in the form of a 1: 1 suspension an elevator car 11 which can be moved by the drive drum driven by the support means without the use of a counterweight in an elevator shaft 13 upwards and downwards.
  • the four suspension elements 14 are designed as suspension elements with a cross-sectional shape deviating from a circular shape, this cross-sectional shape being designed such that at least 90% of the cross-sectional area can be covered by an inscribed rectangle, in particular in the stored and functionally loaded state of the suspension element.
  • the support means preferably comprise a core of a plurality of wire or plastic ropes, which are embedded in a polymer sheath, in particular an elastomer sheath.
  • the drive drum 12 includes a (not visible here) for each of the support means
  • the drive drum 12 is non-rotatably mounted on a drive shaft 30 stored, which is preferably driven by an electric motor, or forms part of an electric motor.
  • Fig. 2 shows a drive drum 12 with a drum hub 15 in a plane perpendicular to the drum rotation axis 18 cutting plane.
  • a belt-like support means 14 according to the above description is partially wound on the drum hub 15 and fixed on this.
  • the drum hub 15 has a support means abutment surface 16, which is arranged around a drum rotation axis 18 containing bore 19.
  • the substantially radially outwardly directed support means abutment surface 16 is designed such that it has a slope in the tangential direction, or that the radial distance of the support means application surface 16 of the drum rotation axis 18 increases with increasing rotational angle ⁇ .
  • the beginning and end of the suspension element application surface 16 are defined by an offset point 22 which is formed by a radial offset between the beginning and end of the suspension element application surface.
  • the second portion 16.2 of the support means application surface 16 extends from the transition point 23 to said offset point 22 and is characterized in that its radial distance from the drum rotation axis increases along its entire length in proportion to the associated rotation angle ⁇ .
  • the first portion 16.1 of the support means application surface 16 is designed such that its radial distance from the drum rotation axis increases more with increasing rotation angle ⁇ than the second portion 16.2. This makes it possible to insert a fastening element 20 between the radially outwardly directed surface of the initial region 14.1a of the first carrier layer 14.1 and the radially inwardly directed surface of a region of a second carrier layer 14.2 lying over the first subregion 16.1 of the carrier application surface 16.
  • the fastening element 20 has, viewed in the direction of the drum rotation axis 18, a crescent-shaped cross section. It has a radially inwardly directed clamping surface 20.1, which rests on the initial region 14.1a of the first carrier layer 14.1 and by the first portion 16.1 of
  • Support means applying surface 16 predetermined curvature of the support means is adjusted.
  • the fastener is pressed onto the initial region 14.1a of the first carrier layer 14.1, which is thus fixed on the first portion 16.1 of the support means application surface 16.
  • the crescent-shaped fastening element 20 also has a radially outwardly directed support surface 20.2, which forms a contact surface for the second carrier layer 14.2 lying above the fastening element or above the more strongly rising first partial region 16.1 of the suspension element application surface 16, and corresponding to the spiral profile of the spiral Tragstoffs is shaped. This ensures that the second carrier layer 14.2 is supported in the entire region of the fastener 20, without departing from the ideal course of an Archimedean spiral. Any unnecessary deformation of the support means and corresponding load peaks are thus avoided, and a perfect uniform movement of the elevator car is guaranteed bine, which has a favorable effect on the life of the suspension means and the ride comfort of the drum elevator.
  • the abovementioned offset point 22 defining the beginning and end of the suspension element abutment surface 16 of the drum hub 15 has a radial offset whose height H substantially corresponds to the sum of the thickness (S) of the suspension element and a required radial thickness (D) of the attachment element.
  • This offset must be achieved by the described increase in the radial distance of the suspension element application surface in the first and second areas.
  • the offset point 22 also serves as a positioning stop for the end face of the starting region 14.1a of the first carrier layer 14.1 during assembly of the suspension element on the drive drum.
  • Fig. 3 shows a preferred embodiment of the drive drum for driving and winding three parallel belt-like support means of a drum elevator.
  • the drive drum 12 comprises three of the above-described drum hubs 15, a total of six disc-shaped support means guide elements 26, and three spacer bushings 28. The said elements are on the drive shaft 30 of a drum elevator.
  • the fixing of these elements takes place in that they are clamped between a clamping device 31 and a stop 30.1 of the drive shaft 30.
  • One of the disk-shaped support means guide elements 26 is arranged on both sides of each drum hub.
  • one of the spacer bushes 28 is inserted between adjacent drum hubs 15 associated suspension element guide elements and defines the distance between these drum hubs and the parallel suspension means wound thereon.
  • At least the drum hubs 15 are secured by means of a rotation lock 32 against rotation on the drive shaft 30.
  • the anti-rotation device 32 shown in FIG. 3 is a feather key connection or a splined connection.
  • the disk-shaped support means guide elements 26 have the task of leading the bearing on the drive drum support means and laterally support the plurality of superimposed carrier material layers. They are preferably made of sheet metal and provided in the region of their periphery with chamfers 26.1, so that laterally offset to the drum hubs 15 accumulating support means are not destroyed by abrasion.
  • a simple speed control can be provided which determines the rotational speed of the drive motor on the basis of a comparison between a currently preset speed setpoint value and that on the Cabin or on the suspension means detected actual speed value controls.
  • a speed control without detecting the actual speed could also be done by measuring and taking into account the currently effective diameter of the drive drum.

Landscapes

  • Engineering & Computer Science (AREA)
  • Civil Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Structural Engineering (AREA)
  • Lift-Guide Devices, And Elevator Ropes And Cables (AREA)

Abstract

L'invention concerne un tambour d'entraînement d'une installation d'ascenseur qui est configuré pour recevoir au moins un moyen porteur (14) du type courroie. Elle concerne en particulier un tambour d'entraînement (12) qui comprend au moins un moyeu de tambour (15) présentant une surface (16) d'application du moyen porteur entourant un axe de rotation (18) du tambour, caractérisé en ce qu'au moins dans une zone partielle de la surface d'application du moyen porteur, la distance radiale de la surface d'application du moyen porteur par rapport à l'axe de rotation (18) du tambour augmente d'un angle de rotation ( ¿) croissant.
EP10703027.2A 2009-01-22 2010-01-18 Tambour d'entraînement d'une installation d'ascenseur Not-in-force EP2379438B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP10703027.2A EP2379438B1 (fr) 2009-01-22 2010-01-18 Tambour d'entraînement d'une installation d'ascenseur

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
EP09151061A EP2210848A1 (fr) 2009-01-22 2009-01-22 Tambour d'entraînement d'une installation d'ascenseur
PCT/EP2010/050543 WO2010084103A1 (fr) 2009-01-22 2010-01-18 Tambour d'entraînement d'une installation d'ascenseur
EP10703027.2A EP2379438B1 (fr) 2009-01-22 2010-01-18 Tambour d'entraînement d'une installation d'ascenseur

Publications (2)

Publication Number Publication Date
EP2379438A1 true EP2379438A1 (fr) 2011-10-26
EP2379438B1 EP2379438B1 (fr) 2013-09-04

Family

ID=40676891

Family Applications (2)

Application Number Title Priority Date Filing Date
EP09151061A Withdrawn EP2210848A1 (fr) 2009-01-22 2009-01-22 Tambour d'entraînement d'une installation d'ascenseur
EP10703027.2A Not-in-force EP2379438B1 (fr) 2009-01-22 2010-01-18 Tambour d'entraînement d'une installation d'ascenseur

Family Applications Before (1)

Application Number Title Priority Date Filing Date
EP09151061A Withdrawn EP2210848A1 (fr) 2009-01-22 2009-01-22 Tambour d'entraînement d'une installation d'ascenseur

Country Status (2)

Country Link
EP (2) EP2210848A1 (fr)
WO (1) WO2010084103A1 (fr)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102013008719A1 (de) * 2013-05-23 2014-11-27 Weets und Kastel Besitzgesellschaft mbH & Co. KG Aufzugsanlage, insbesondere Seilaufzugsanlage
EP2876074A1 (fr) 2013-11-22 2015-05-27 Inventio AG Entraînement d'ascenseur
ES2627604B1 (es) * 2016-01-11 2018-05-29 Santiago Amiano Salaverria Máquina para plataformas de elevación.
WO2019220184A1 (fr) * 2018-05-18 2019-11-21 Uab Barduva Structure d'ascenseur comprenant une courroie plate

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2136540A1 (de) 1971-07-22 1973-02-01 Rudolf Dr Ing Vogel Aufzug
JP2573694Y2 (ja) * 1992-07-30 1998-06-04 株式会社明電舎 介護装置
JP2887663B2 (ja) * 1996-07-31 1999-04-26 象印チエンブロック株式会社 ベルト式巻上機
US20100133046A1 (en) * 2007-03-12 2010-06-03 Inventio Ag Elevator system, suspension element for an elevator system, and device for manufacturing a suspension element

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See references of WO2010084103A1 *

Also Published As

Publication number Publication date
EP2210848A1 (fr) 2010-07-28
WO2010084103A1 (fr) 2010-07-29
EP2379438B1 (fr) 2013-09-04

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