EP2006236B1 - Moyen de support d'ascenseur et élément d'ascenseur destiné à entraîner ou renvoyer ledit moyen de support d'ascenseur dans une installation d'ascenseur - Google Patents

Moyen de support d'ascenseur et élément d'ascenseur destiné à entraîner ou renvoyer ledit moyen de support d'ascenseur dans une installation d'ascenseur Download PDF

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Publication number
EP2006236B1
EP2006236B1 EP07110653A EP07110653A EP2006236B1 EP 2006236 B1 EP2006236 B1 EP 2006236B1 EP 07110653 A EP07110653 A EP 07110653A EP 07110653 A EP07110653 A EP 07110653A EP 2006236 B1 EP2006236 B1 EP 2006236B1
Authority
EP
European Patent Office
Prior art keywords
elevator
lift
support means
contact surface
lift support
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.)
Active
Application number
EP07110653A
Other languages
German (de)
English (en)
Other versions
EP2006236A1 (fr
Inventor
Hans BLÖCHLE
Ernst Ach
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
Priority to EP07110653A priority Critical patent/EP2006236B1/fr
Application filed by Inventio AG filed Critical Inventio AG
Priority to AT07110653T priority patent/ATE526273T1/de
Priority to ES07110653T priority patent/ES2374655T3/es
Priority to EP08715742A priority patent/EP2125594A2/fr
Priority to US12/450,133 priority patent/US20100133046A1/en
Priority to PCT/EP2008/001068 priority patent/WO2008110241A2/fr
Priority to DE202008001786U priority patent/DE202008001786U1/de
Priority to EP08761280A priority patent/EP2162378A1/fr
Priority to PCT/EP2008/057891 priority patent/WO2008155415A1/fr
Publication of EP2006236A1 publication Critical patent/EP2006236A1/fr
Application granted granted Critical
Publication of EP2006236B1 publication Critical patent/EP2006236B1/fr
Priority to US14/511,443 priority patent/US20150024891A1/en
Active 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
    • B66B15/00—Main component parts of mining-hoist winding devices
    • B66B15/02—Rope or cable carriers
    • B66B15/04—Friction sheaves; "Koepe" pulleys

Definitions

  • the invention relates to an elevator element for driving and / or deflecting an elevator support means in an elevator installation and to a method for producing such an elevator element.
  • An elevator element according to the invention has at least one contact surface via which the elevator element interacts with the elevator support means to transmit a drive force from a drive unit to the elevator support means or to redirect such an elevator support means within the elevator system.
  • Such an elevator element is preferably designed in the form of a traction sheave or a deflection pulley.
  • Under a lift support means is to be understood as a flexible tension element, such as a rope or a flat belt-like tension element, with which at least one elevator car is supported and moved in the elevator system.
  • WO-A-00/59819 a traction sheave, which is processed by sand or shot peening. Blasted surfaces have a uniform roughness with respect to the roughness measurement direction.
  • Circumferential surface roughnesses of 1 to 3 microns are disclosed. Elevator elements according to the known state of the art either result in relatively high wear on the elevator support means when their contact surfaces are made in the circumferential direction with too high roughness, or they cause high production costs, because in the direction of
  • Elevator element axes allowable higher roughness of the contact surfaces is not exploited in favor of a more cost-effective production.
  • too little roughness of the contact surfaces in the axial direction of the elevator elements can negatively influence the lateral guiding effect, which causes the elevator support means to move centrally over the driving and / or deflecting elevator elements.
  • the present invention has for its object to provide an elevator element of the type described above, in which an optimization of the wear behavior between the elevator element and elevator support means can be achieved with the lowest possible production cost.
  • the object is achieved by an elevator support means and an elevator element in which the arithmetic mean roughness of the contact surface measured in the circumferential direction of the elevator element is 0.1 to 0.8 micrometers.
  • One of the advantages of contact surfaces with a roughness according to these specifications is low wear of the elevator support means as well as the contact surfaces of the elevator element itself.
  • Another advantage is that the maximum traction force between the elevator element and the elevator support means is relatively precisely limited, especially in operating situations important is, in which the elevator support means for a limited time to slide against the elevator element. Such an operating situation may occur, for example, if, as a result of a control breakdown, the elevator car or the counterweight drive up to their lower limits, or if the elevator car or the counterweight are blocked along their carriageways for other reasons.
  • the object is achieved in one embodiment by an elevator support means and an elevator element which is produced such that the measured in the circumferential direction of the elevator element arithmetic mean roughness of its at least one contact surface and the measured in the axial direction of the elevator elements average roughness of its contact surface are different.
  • the advantage of the solution is that - in order to minimize the wear required low roughness in the circumferential direction - the manufacturing cost of the elevator element can be reduced compared to an elevator element with the same roughness in both directions.
  • an increased roughness of the contact surfaces in the axial direction of the elevator element can positively influence the lateral guidance of the elevator support means on the elevator element, in particular when flat belts are used as elevator support means.
  • lower manufacturing costs can be achieved on the one hand, and, on the other hand, this improves the lateral guidance of the elevator support means on the elevator element.
  • the arithmetic mean roughness of the contact surface measured in the axial direction of the elevator element is more than 0.4 micrometers. This embodiment also serves to reduce the manufacturing costs of the elevator element and to improve the lateral guidance of the elevator support means on the elevator element.
  • the at least one contact surface of the elevator element is processed by turning, fine turning or profile cylindrical grinding. This makes it possible to achieve the desired contact surface roughness with the lowest possible manufacturing costs.
  • At least one contact surface of the elevator element has a coating, preferably a chromium-containing coating.
  • the wear resistance can be improved.
  • it can be used to influence the maximum traction force occurring between the elevator element and the elevator support means.
  • the elevator element is made of a tempered steel and has a hardness of 15 to 30 HRC at least in the areas of its at least one contact surface. This ensures sufficient wear resistance of the elevator element.
  • the elevator element forms an integral unit with a drive shaft of a drive unit of the elevator installation.
  • the elevator element is designed to cooperate with at least one elevator support means, which has the shape of a flat belt or a V-ribbed belt or a V-belt or has a round cross-section.
  • at least one elevator support means which has the shape of a flat belt or a V-ribbed belt or a V-belt or has a round cross-section.
  • Fig. 1 shows an inventive elevator element 1 for driving and / or deflecting an elevator support means 2 in an elevator system
  • the elevator element 1 is present in the form of a fixed to a drive shaft 3 a drive unit traction sheave.
  • This elevator element 1 comprises three contact surfaces 4, which cooperate in the elevator operation with three elevator support means 2 in the form of flat belts, said elevator support means 2 are connected to an elevator car (not shown) and a counterweight of an elevator installation in order to carry and drive them in a lift shaft ,
  • the contact surfaces 4 are crowned, which serves to guide the elevator support means 2 (flat belt) during the elevator operation in the middle of the respectively associated contact surface 4.
  • Fig. 2 is a second embodiment of an inventive elevator element 11 for driving and / or deflecting an elevator support means 12 in an elevator installation.
  • This in Fig. 2 shown elevator element is integrated into the drive shaft 13 of a drive unit and forms with this a one-piece unit.
  • the elevator element 11 cooperates here with two elevator support means 12, which are in communication with an elevator car (not shown) and a counterweight of an elevator installation in order to carry and drive them in an elevator shaft.
  • the illustrated lift support means 12 have the form of wire rope reinforced V-ribbed belts whose V-ribbed profile engage corresponding keyways 15 of the second elevator element 11.
  • the flanks of these splines form contact surfaces 14, via which the second elevator element 11 cooperates with the second elevator support means 12.
  • the elevator support means 12 each comprise a belt body 12.1 made of an abrasion-resistant elastomer, in which tensile strength 12.2 of steel wire or synthetic fiber strands are embedded in order to ensure sufficient tensile strength.
  • the integration of in Fig. 2 shown elevator element 11 in a drive or deflection shaft 13 allows the use of elevator elements with very small diameters in combination with the largest possible associated shaft diameters.
  • Elevator elements according to the invention are preferably made of steel, in particular of tempered steel, the - at least in the region of the contact surface 4; 14 - has a tensile strength of 600 - 1000 N / mm 2 and / or a Rockwell C hardness of at least 15 HRC.
  • the contact surfaces 4; 14 of the elevator elements 1; 11 provided with coatings which have a surface structure with the inventive roughness properties and are sufficiently resistant to wear.
  • coatings which have a surface structure with the inventive roughness properties and are sufficiently resistant to wear.
  • chromium-containing coatings in particular hard chrome have proven.
  • the contact surfaces 4; 14 of the elevator elements 1; 11 are machined or coated in such a way that the measured center line average roughness value of the contact surfaces and the mean roughness of the contact surfaces measured in the axial direction of the elevator elements are different. As a result, manufacturing costs are saved by the processing quality of the contact surfaces does not have to meet the defined maximum requirements for both directions. Moreover, by increasing the roughness of the contact surfaces in the axial direction of the elevator element, the lateral guidance of the elevator support means on the elevator element can be improved, in particular if the elevator support means is a flat belt or a V-ribbed belt. In the Fig. 1 and 2 the measurement directions for the roughness measurement in the circumferential direction with A and the measuring directions for the roughness measurement in the axial direction with B are designated.
  • the contact surfaces 4; 14 processed or coated so that the circumferential direction A of the elevator element 1; 11 measured arithmetic mean roughness R a of the contact surfaces 4; 14 is less than 1 micron.
  • An even greater prevention of wear can be achieved if said average roughness R a is between 0.1 and 0.8 micrometers, more preferably between 0.2 and 0.6 micrometers.
  • Relatively long-lasting slippage of up to 60 seconds duration can occur in an elevator installation, for example, if, as a result of a control defect, the elevator car or the counterweight are driven up onto their travel limits or otherwise blocked.
  • the average roughness value R a defined in the standard DIN EN ISO 4287 is to be understood as the average roughness value.
  • An advantageous compromise between the requirement for wear reduction and the requirement for low production costs or for advantageous lateral guidance properties is with an embodiment of the elevator elements 1; 11 achievable, in which between the in the circumferential direction of the elevator elements 1; 11 measured arithmetic mean roughness R a of the contact surfaces 4; 14 and measured in the axial direction of the elevator elements average roughness R a of the contact surfaces a difference of more than 0.2 microns is present.
  • elevator elements can be realized, for example, each cooperate with at least one V-belt, round belt or with at least one round steel wire rope.
  • the belt-type elevator support means preferably comprise belt bodies of an abrasion-resistant elastomer, preferably of polyurethane (PU) or ethylene-propylene (diene) copolymer (EPM, EPDM), these belt bodies being reinforced in the longitudinal direction by tension members made of steel wire or synthetic fiber strands.
  • PU polyurethane
  • EPM ethylene-propylene copolymer
  • the contact surfaces of the elevator elements interact with elastomeric materials of the elevator support means.
  • steel wire ropes are used as lift-bearing means, these steel wire ropes, with or without sheathing, can cooperate with the elevator elements according to the invention, wherein sheathings preferably likewise consist of an elastomeric material, for example of polyurethane.

Landscapes

  • Lift-Guide Devices, And Elevator Ropes And Cables (AREA)
  • Cage And Drive Apparatuses For Elevators (AREA)

Claims (9)

  1. Elément de suspension d'ascenseur (2, 12) et élément d'ascenseur (1 ; 11) pour entraîner ou dévier l'élément de suspension d'ascenseur (2 ; 12) dans une installation d'ascenseur, étant précisé que l'élément d'ascenseur présente au moins une surface de contact (4 ; 14) qui coopère avec l'élément de suspension (2 ; 12),
    caractérisés en ce que la valeur de rugosité moyenne arithmétique, mesurée dans le sens circonférentiel (A) de l'élément d'ascenseur (1 ; 11), de la surface de contact (4 ; 14) est de 0,1 à 0,8 micron.
  2. Elément de suspension d'ascenseur (2, 12) et élément d'ascenseur (1 ; 11) selon la revendication 1, caractérisés en ce que la valeur de rugosité moyenne arithmétique, mesurée dans le sens circonférentiel (A) de l'élément d'ascenseur (1 ; 11), de la surface de contact (4 ; 14) et la valeur de rugosité moyenne, mesurée dans le sens axial (B) de l'élément d'ascenseur, de la surface de contact (4 ; 14) sont différentes.
  3. Elément de suspension d'ascenseur (2, 12) et élément d'ascenseur (1 ; 11) selon la revendication 1 ou 2, caractérisés en ce qu'il y a entre la valeur de rugosité moyenne arithmétique, mesurée dans le sens circonférentiel (A) de l'élément d'ascenseur (1 ; 11), de la surface de contact (4 ; 14) et la valeur de rugosité moyenne arithmétique, mesurée dans le sens circonférentiel (B) de l'élément d'ascenseur (1 ; 11), de la surface de contact (4 ; 14) une différence de plus de 0,2 micron.
  4. Elément de suspension d'ascenseur (2, 12) et élément d'ascenseur (1 ; 11) selon l'une des revendications 1 à 3, caractérisés en ce que la valeur de rugosité moyenne arithmétique, mesurée dans le sens axial (B) de l'élément d'ascenseur (1 ; 11), de la surface de contact (4 ; 14) est de plus de 0,4 micron.
  5. Elément de suspension d'ascenseur (2, 12) et élément d'ascenseur (1 ; 11) selon l'une des revendications 1 à 4, caractérisés en ce que la surface de contact (4 ; 14) est traitée par tournage ou tournage fin ou rectification cylindrique de profil.
  6. Elément de suspension d'ascenseur (2, 12) et élément d'ascenseur (1 ; 11) selon l'une des revendications 1 à 5, caractérisés en ce que la surface de contact (4 ; 14) présente un revêtement, de préférence un revêtement chromé.
  7. Elément de suspension d'ascenseur (2, 12) et élément d'ascenseur (1 ; 11) selon l'une des revendications 1 à 6, caractérisés en ce que l'élément d'ascenseur (1 ; 11) est fabriqué à partir d'un acier de traitement et présente dans la zone de sa surface de contact une dureté de 15 à 30 HRC.
  8. Elément de suspension d'ascenseur (2, 12) et élément d'ascenseur (1 ; 11) selon l'une des revendications 1 à 7, caractérisés en ce que l'élément d'ascenseur (1 ; 11) forme une unité d'une seule pièce avec un arbre d'entraînement (13) d'une unité d'entraînement.
  9. Elément de suspension d'ascenseur (2, 12) et élément d'ascenseur (1 ; 11) selon l'une des revendications 1 à 8, caractérisés en ce que l'élément d'ascenseur (1 ; 11) est conçu pour coopérer avec au moins un élément de suspension d'ascenseur (2 ; 12) qui a la forme d'une courroie plate ou d'une courroie à nervures cunéiformes ou d'une courroie trapézoïdale ou qui a une section transversale ronde.
EP07110653A 2007-03-12 2007-06-20 Moyen de support d'ascenseur et élément d'ascenseur destiné à entraîner ou renvoyer ledit moyen de support d'ascenseur dans une installation d'ascenseur Active EP2006236B1 (fr)

Priority Applications (10)

Application Number Priority Date Filing Date Title
AT07110653T ATE526273T1 (de) 2007-06-20 2007-06-20 Aufzugstragmittel und aufzugselement zum antreiben oder umlenken des aufzugstragmittels in einer aufzugsanlage
ES07110653T ES2374655T3 (es) 2007-06-20 2007-06-20 Medio de suspensión para un ascensor y elemento de ascensor para accionar o desviar dicho medio de suspensión en una instalación de ascensor.
EP07110653A EP2006236B1 (fr) 2007-06-20 2007-06-20 Moyen de support d'ascenseur et élément d'ascenseur destiné à entraîner ou renvoyer ledit moyen de support d'ascenseur dans une installation d'ascenseur
US12/450,133 US20100133046A1 (en) 2007-03-12 2008-02-12 Elevator system, suspension element for an elevator system, and device for manufacturing a suspension element
PCT/EP2008/001068 WO2008110241A2 (fr) 2007-03-12 2008-02-12 Installation d'ascenseur, moyen de suspension pour une installation d'ascenseur et procédé de fabrication d'un moyen de suspension
DE202008001786U DE202008001786U1 (de) 2007-03-12 2008-02-12 Aufzugsanlage, Tragmittel für eine Aufzugsanlage und Vorrichtung zur Herstellung eines Tragmittels
EP08715742A EP2125594A2 (fr) 2007-03-12 2008-02-12 Installation d'ascenseur, moyen de suspension pour une installation d'ascenseur et procédé de fabrication d'un moyen de suspension
EP08761280A EP2162378A1 (fr) 2007-06-20 2008-06-20 Élément d'ascenseur pour entraîner ou dévier un moyen de support d'ascenseur dans une installation d'ascenseur
PCT/EP2008/057891 WO2008155415A1 (fr) 2007-06-20 2008-06-20 Élément d'ascenseur pour entraîner ou dévier un moyen de support d'ascenseur dans une installation d'ascenseur
US14/511,443 US20150024891A1 (en) 2007-03-12 2014-10-10 Suspension element for an elevator system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP07110653A EP2006236B1 (fr) 2007-06-20 2007-06-20 Moyen de support d'ascenseur et élément d'ascenseur destiné à entraîner ou renvoyer ledit moyen de support d'ascenseur dans une installation d'ascenseur

Publications (2)

Publication Number Publication Date
EP2006236A1 EP2006236A1 (fr) 2008-12-24
EP2006236B1 true EP2006236B1 (fr) 2011-09-28

Family

ID=38669920

Family Applications (2)

Application Number Title Priority Date Filing Date
EP07110653A Active EP2006236B1 (fr) 2007-03-12 2007-06-20 Moyen de support d'ascenseur et élément d'ascenseur destiné à entraîner ou renvoyer ledit moyen de support d'ascenseur dans une installation d'ascenseur
EP08761280A Withdrawn EP2162378A1 (fr) 2007-06-20 2008-06-20 Élément d'ascenseur pour entraîner ou dévier un moyen de support d'ascenseur dans une installation d'ascenseur

Family Applications After (1)

Application Number Title Priority Date Filing Date
EP08761280A Withdrawn EP2162378A1 (fr) 2007-06-20 2008-06-20 Élément d'ascenseur pour entraîner ou dévier un moyen de support d'ascenseur dans une installation d'ascenseur

Country Status (4)

Country Link
EP (2) EP2006236B1 (fr)
AT (1) ATE526273T1 (fr)
ES (1) ES2374655T3 (fr)
WO (1) WO2008155415A1 (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ES2713489T3 (es) * 2008-07-03 2019-05-22 Otis Elevator Co Recubrimiento resistente al desgaste y la corrosión que tiene una superficie rugosa
EP2210847A1 (fr) * 2009-01-22 2010-07-28 Inventio AG Installation d'ascenseur dotée d'un disque d'entraînement
US11111108B2 (en) 2018-05-04 2021-09-07 Otis Elevator Company Coated sheave

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2162283A (en) * 1984-07-26 1986-01-29 Blacks Equip Ltd Winding shaft for mine winders, hoists and lifts
US6419208B1 (en) * 1999-04-01 2002-07-16 Otis Elevator Company Elevator sheave for use with flat ropes
US6371448B1 (en) * 1999-10-29 2002-04-16 Inventio Ag Rope drive element for driving synthetic fiber ropes
US6488123B2 (en) * 2001-02-12 2002-12-03 Otis Elevator Company Directional uniformity of flat tension members for elevators
NO20063896L (no) * 2005-09-20 2007-03-21 Inventio Ag Heisanlegg med drivremskive og flatremformet baereorgan
JP4797769B2 (ja) * 2006-04-20 2011-10-19 株式会社日立製作所 エレベータ及びエレベータ用シーブ

Also Published As

Publication number Publication date
EP2006236A1 (fr) 2008-12-24
ATE526273T1 (de) 2011-10-15
ES2374655T3 (es) 2012-02-20
WO2008155415A1 (fr) 2008-12-24
EP2162378A1 (fr) 2010-03-17

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