EP1724226B1 - Ascenseur - Google Patents

Ascenseur Download PDF

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Publication number
EP1724226B1
EP1724226B1 EP06118333A EP06118333A EP1724226B1 EP 1724226 B1 EP1724226 B1 EP 1724226B1 EP 06118333 A EP06118333 A EP 06118333A EP 06118333 A EP06118333 A EP 06118333A EP 1724226 B1 EP1724226 B1 EP 1724226B1
Authority
EP
European Patent Office
Prior art keywords
ribs
support means
tensile
belt
wedge
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
EP06118333A
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German (de)
English (en)
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EP1724226A1 (fr
Inventor
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
Application filed by Inventio AG filed Critical Inventio AG
Priority to EP06118333A priority Critical patent/EP1724226B1/fr
Priority to SI200431417T priority patent/SI1724226T1/sl
Priority to PL06118333T priority patent/PL1724226T3/pl
Publication of EP1724226A1 publication Critical patent/EP1724226A1/fr
Application granted granted Critical
Publication of EP1724226B1 publication Critical patent/EP1724226B1/fr
Priority to CY20101100460T priority patent/CY1110542T1/el
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
    • B66B7/00—Other common features of elevators
    • B66B7/06—Arrangements of ropes or cables
    • B66B7/062—Belts
    • D—TEXTILES; PAPER
    • D07—ROPES; CABLES OTHER THAN ELECTRIC
    • D07B—ROPES OR CABLES IN GENERAL
    • D07B1/00—Constructional features of ropes or cables
    • D07B1/22—Flat or flat-sided ropes; Sets of ropes consisting of a series of parallel ropes
    • D—TEXTILES; PAPER
    • D07—ROPES; CABLES OTHER THAN ELECTRIC
    • D07B—ROPES OR CABLES IN GENERAL
    • D07B2201/00—Ropes or cables
    • D07B2201/20—Rope or cable components
    • D07B2201/2083—Jackets or coverings
    • D07B2201/2087—Jackets or coverings being of the coated type
    • D—TEXTILES; PAPER
    • D07—ROPES; CABLES OTHER THAN ELECTRIC
    • D07B—ROPES OR CABLES IN GENERAL
    • D07B2501/00—Application field
    • D07B2501/20—Application field related to ropes or cables
    • D07B2501/2007—Elevators

Definitions

  • Elevator systems of the type according to the invention usually have an elevator car and a counterweight, which are movable in an elevator shaft or along free-standing guide devices.
  • the elevator installation has at least one drive with at least one traction sheave each, which carries the elevator car and the counterweight via supporting and / or drive means and transmits the required driving forces thereto.
  • An elevator installation according to the preamble of claim 1 is eg in EP-A-1396458 disclosed.
  • suspension means for the sake of simplicity.
  • WO 03/043926 is a machine room elevator system known in which are used as a support means for the elevator car V-ribbed belt.
  • These comprise a flat belt-like belt body produced from an elastic material (rubber, elastomers), which has a plurality of ribs extending in the longitudinal direction of the belt on its running surface facing the traction sheave.
  • These ribs cooperate with complementary shaped grooves in the periphery of driving or deflecting pulleys (hereinafter referred to as pulleys) in order to guide the V-ribbed belt on the pulleys and to increase the traction between the traction sheave and the suspension element.
  • the ribs and grooves have triangular or trapezoidal, ie wedge-shaped cross-sections.
  • In the belt body of the V-ribbed belts are oriented in the belt longitudinal direction, consisting of metallic or non-metallic strands Tensile beams embedded, which give the support means the required tensile strength and longitudinal stiffness
  • V-ribbed belts have certain disadvantages, ie, they are not optimally adapted to the requirements of a suspension means for elevator cars.
  • Such a suspension should have the smallest possible dimensions and the lowest possible weight own high load capacity and low longitudinal elasticity and can be performed on driving and deflecting discs with the smallest possible diameters.
  • V-ribbed belts used as suspension means show relatively large cross sections of the belt bodies in relation to the cross sections of the tension members, ie the thickness of the belt bodies is large with respect to the diameters of the tension members, and the edge portions of the belt bodies facing the pulleys and rollers, in particular the tips of the wedge-shaped ribs are relatively far away from the tension members.
  • the material of the relatively high in the bending direction belt body is unnecessarily strongly stressed by bending alternating voltages when the support means rotates a traction sheave or a pulley of small diameter, which can lead to cracking and premature failure of the suspension element.
  • Strong bending alternating voltages are in particular the areas of the belt body remote from the tension members, ie the tips of the wedge-shaped ribs.
  • the present invention has for its object to provide an elevator installation of the type described above, in which the said disadvantages are not present, ie, that the elevator installation comprises a flat belt-like support means with ribs, which has minimal dimensions and minimum weight when used with minimum pulley diameters and for a given load capacity, wherein the tension members and the belt body are exposed to the lowest possible loads, so that for the suspension means an optimal life is guaranteed.
  • a flat belt-like support means which comprises at least on one of the traction sheave facing tread a plurality of belt longitudinally parallel ribs, wherein per rib at least two oriented in the belt longitudinal direction of tensile carriers are present and the sum of the cross-sectional areas of all tensile carriers is 30% to 40% of the total cross-sectional area of the suspension element.
  • the cross-section defined by their outer diameter must be taken into account.
  • a suspension element which has optimally small dimensions and material quantities.
  • the Optimal small dimensions also have correspondingly low alternating bending stresses in the material of the belt body result.
  • materials rubber, elastomers
  • materials can be selected, which have a lower allowable bending stress, but bear higher surface pressures between tension members and belt body.
  • tension members with a substantially round cross-section are used in the suspension element, the outside diameter of which is at least 30%, preferably 35% to 40%, of the rib spacing.
  • the distance between ribs is to be understood as meaning the distance between adjacent ribs of a suspension element, which is usually the same between all the ribs of a particular suspension element.
  • support means ensures that distributed by the tension members on the belt body to a traction sheave or a pulley forces optimally distributed in the belt body and occurring between tension members and belt body surface pressures are optimally low. This minimizes the risk that a loaded tension member cuts through the belt body.
  • the ribs have a wedge-shaped cross section with a flank angle of 60 ° to 120 °, wherein the range of 80 ° to 100 ° is preferable.
  • the flank angle is the angle existing between both side surfaces (flanks) of a wedge-shaped rib.
  • Optimal small dimensions and low weight of the suspension element can be achieved if the minimum distance of the outer contour of a tension member to a surface of a rib is at most 20% of the total thickness of the suspension element.
  • the total thickness is understood to mean the entire thickness of the belt body with the grooves.
  • the tensile carriers assigned to a rib are arranged such that in each case an external tensile carrier lies substantially in the region of the vertical projection of one respective flank of the wedge-shaped rib.
  • a directed perpendicular to the plane of the flat side of the support means projection is designated, and by "largely” is to be understood that at least 90% of the cross-sectional area of the respective tension member are within said projection.
  • an outer tension member is arranged completely in the region of the vertical projection (P) of in each case one flank of a wedge-shaped rib.
  • tensile steel wire ropes are used. Steel wire ropes are stretched less at the same load as, for example, tensile carriers with the same cross section of conventional synthetic fibers.
  • a support means with a particularly low allowable bending radius which is suitable for use in combination with pulleys of small diameter, can be achieved in that the steel wire ropes have outer diameter of less than 2 mm and are stranded from several strands, the total of more than 50 individual wires contain.
  • V-ribbed belt 12 is attached at one of its ends below the traction sheave 4.1 at a first support means fixed point 10. From this, it extends down to the counterweight carrying roller 4.3, wraps around this and extends from this to the traction sheave 4.1, wraps around it and runs along the gegenimportants districten cabin wall down, wraps on both sides of the elevator car depending mounted below the elevator car 3 cabin roll 4.2 by 90 ° and extends along the counterweight 8 facing away from the cabin wall up to a second support means fixed point eleventh
  • the plane of the traction sheave 4.1 is arranged at right angles to the counterweight-side cabin wall and its vertical projection is outside the vertical projection of the elevator car 3. It is therefore important that the traction sheave 4.1 has a small diameter, so that the distance between the left-hand cabin wall and the opposite wall of the Elevator shaft 1 can be as small as possible. In addition, a small pulley diameter allows the use of a gearless drive motor with relatively low drive torque as the drive unit. 2
  • the traction sheave 4.1 and the counterweight trailing roller 4.3 are provided at their periphery with grooves which are formed complementary to the ribs of the V-ribbed belt 12. Where the V-ribbed belt 12 wraps around one of the pulleys 4.1 and 4.3, its ribs lie in corresponding grooves of the pulley, thus ensuring perfect guidance of the V-ribbed belt on these pulleys. In addition, by a serving between the grooves of the pulley 4.1 and the ribs of the pulley V-ribbed belt 12 improves the traction ability.
  • Fig. 2 shows a portion of serving as a support means V-ribbed belt 12.1 of an elevator system according to the invention.
  • the belt body 15.1, the wedge-shaped ribs 20.1 and the tension members 22 embedded in the belt body can be seen.
  • Fig. 3 shows a cross section through a V-ribbed belt 12.1 according to the present invention, which includes a belt body 15.1 and a plurality of traction carriers 22 embedded therein.
  • the belt body 15.1 is made of an elastic material. For example, natural rubber or a variety of synthetic elastomers can be used.
  • the flat side 17 of the belt body 15.1 may be provided with an additional cover layer or an incorporated fabric layer.
  • the at least with the traction sheave 4.1 of the drive unit 2 cooperating traction side of the belt body 15.1 has a plurality of wedge-shaped ribs 20.1, which extend in the longitudinal direction of the V-ribbed belt 12.1.
  • a pulley 4 is indicated, in the periphery of which complementary grooves are incorporated into the ribs 20.1 of the V-ribbed belt 12.1.
  • Each of the wedge-shaped ribs 20.1 of the V-ribbed belt 12.1 is associated with two round tension members 22, which are dimensioned so that they can jointly transmit the belt loads occurring in the V-ribbed belt per rib. These belt loads are on the one hand the transmission of pure tensile forces in the belt longitudinal direction. On the other hand, when a belt pulley 4.1 - 4.4 is wrapped, forces are transmitted radially from the tension members to the belt pulley via the belt body. The cross sections of the tension members 22 are dimensioned so that these radial forces do not cut through the belt body 15.1. In the case of wrap around a pulley, additional bending stresses occur in the tension members due to the curvature of the V-ribbed belt resting on the pulley.
  • the forces to be transmitted per rib 20.1 are distributed over two tension members, although a single tension member arranged in the center of the rib would allow a slightly smaller total thickness of the V-ribbed belt.
  • Extensive testing has determined an arrangement of belt body 15.1 and tension members 22 which, for a given pulley diameter D of about 90 mm, a given tensile load and given allowable alternating bending stress of the tension members and belt body material, provides the lowest possible total cross section with the least weight of the V-ribbed belt .
  • the proportion of the total cross-sectional area of all tensile carriers on the cross-sectional area of the V-ribbed belt should be at least 25%, preferably 30% to 40%.
  • the abovementioned properties are achieved particularly optimally if the outer diameter of a tension member is at least 30% of the rib spacing.
  • the rib spacing is the regular pitch T of the ribs.
  • Fig. 4 shows a variant 12.2 of the V-ribbed belt, in which the wedge-shaped ribs 20.2 wider than in in Fig. 2 variant 12.1 are shown and each having three associated tension members. All others in connection with the variant according to Fig. 2 mentioned properties are also present in this variant.
  • Such a V-ribbed belt has the advantage that the corresponding pulleys 4.1, 4.3, 4.4 are somewhat easier to produce.
  • V-ribbed belt serving as a support means V-ribbed belt have a preferred flank angle ⁇ of about 90 °.
  • the flank angle is the angle between two flanks of a wedge-shaped rib of the belt body.
  • the flank angle has a decisive influence on the development of noise and the generation of vibrations, and that for a lift-carrying means provided V-ribbed belt ⁇ of 80 ° to 100 ° optimally and 60 ° are applicable up to 120 °.
  • the distances A between centers of the tensile carriers 22 associated with a particular rib are slightly smaller than the distances B between centers of adjacent tensile carriers of adjacent ribs. This is due to the maintenance of a minimum required distance of the tension members 22 to the edges of the ribs 20.1, 20.2. By keeping the differences in these distances as small as possible, a homogeneous distribution of the forces introduced by the belt body in the tension members is ensured. It has proved to be advantageous if the distances A are not more than 20% smaller than the distances B.
  • the 3 and 4 It can also be seen that small dimensions and low weight of the V-ribbed belt are achieved by making the distances X between the outer contours of the tension members and the surfaces of the ribs as low as possible. Optimal properties have been found in the tests for V-ribbed belts in which these distances X are at most 20% of the total thickness s of the suspension element or at most 17% of the spacing T between the ribs 20.1, 20.2. The total thickness s is the entire thickness of the belt body 15.1, 15.2 with the ribs 20.1, 20.2 to understand.
  • V-ribbed belts 12.1, 12.2 when the ribs 20.1, 20.2 associated tensile carrier 22 are arranged so that in each case an outer tensile carrier largely or completely in the region of the vertical projection P of each flank of the wedge-shaped rib 20.1, 20.2 lies.
  • Fig. 5 shows an enlarged view of a cross section through a preferred embodiment of a tension member 22, which is ideal for a V-ribbed belt for use in an elevator system according to the invention.
  • the tension member 22 is a steel wire rope, which are stranded from a total of 75 individual wires 23 with extremely small diameters.
  • the steel wire ropes used as tension members 22 consist of at least 50 individual wires.

Landscapes

  • Lift-Guide Devices, And Elevator Ropes And Cables (AREA)
  • Types And Forms Of Lifts (AREA)
  • Valve Device For Special Equipments (AREA)
  • Valve-Gear Or Valve Arrangements (AREA)
  • Devices For Conveying Motion By Means Of Endless Flexible Members (AREA)
  • Cage And Drive Apparatuses For Elevators (AREA)
  • Electromagnets (AREA)
  • Reciprocating Pumps (AREA)
  • Vehicle Body Suspensions (AREA)
  • Paper (AREA)
  • Escalators And Moving Walkways (AREA)

Claims (7)

  1. Installation d'ascenseur avec un moteur d'entraînement (2) qui entraîne par l'intermédiaire d'une poulie motrice (4.1) au moins un moyen de support (12.1) en forme de courroie plate qui porte une cabine d'ascenseur (3), le moyen de support présentant sur au moins une surface de roulement tournée vers la poulie motrice (4.1) plusieurs nervures (20.1 ; 20.2) qui s'étendent parallèlement dans le sens longitudinal du moyen de support (12.1 ; 12.2) et qui ont une section transversale cunéiforme ou trapézoïdale, et plusieurs supports de traction (22) qui sont orientés dans le sens longitudinal du moyen de support, exactement deux ou trois supports de traction (22) étant associés à chacune des nervures (20.1 ; 20.2) et la superficie de section totale des supports de traction (22) représentant 30 % à 40 % de la superficie de section du moyen de support (12.1, 12.2),
    caractérisée en ce que les supports de traction (22) sont répartis sur la largeur du moyen de support (12.1 ; 12.2) de telle sorte qu'au moins 90 % de la superficie de section de chacun d'eux se trouvent dans la zone d'une projection perpendiculaire (P) d'un flanc des nervures cunéiformes (20.1 ; 20.2).
  2. Installation d'ascenseur selon la revendication 1, caractérisée en ce que chaque support de traction (22) se trouve entièrement à l'intérieur de la projection verticale (P) d'un flanc des nervures cunéiformes (20.1 ; 20.2)
  3. Installation d'ascenseur selon l'une des revendications 1 ou 2, caractérisée en ce que les écartements (A) entre les centres de deux supports de traction (22) associés à l'une des nervures (20.1 ; 20.2) sont jusqu'à 20 % plus petits que les écartements (B) entre les centres de supports de traction (22) voisins qui sont associés à deux nervures prévues côte à côte.
  4. Installation d'ascenseur selon l'une des revendications 1 à 3, caractérisée en ce qu'un diamètre extérieur d'un support de traction représente au moins 30% d'un écartement de nervures (T).
  5. Installation d'ascenseur selon l'une des revendications 1 à 4, caractérisée en ce que les nervures (20.1, 20.2) ont une section transversale cunéiforme avec un angle de flancs (β) de 60° à 120°.
  6. Installation d'ascenseur selon l'une des revendications 1 à 5, caractérisée en ce qu'un écartement minimal (X) entre un contour extérieur d'un support de traction (22) et une surface d'une nervure (20.1, 20.2) représente au maximum 20 % de l'épaisseur totale (s) du moyen de support (12.1, 12.2).
  7. Installation d'ascenseur selon l'une des revendications 1 à 6, caractérisée en ce que les supports de traction (22) se composent de câbles métalliques qui sont formés à partir de plusieurs torons contenant au total plus de 50 fils individuels (23).
EP06118333A 2004-01-06 2004-12-27 Ascenseur Active EP1724226B1 (fr)

Priority Applications (4)

Application Number Priority Date Filing Date Title
EP06118333A EP1724226B1 (fr) 2004-01-06 2004-12-27 Ascenseur
SI200431417T SI1724226T1 (sl) 2004-01-06 2004-12-27 Dvigalna naprava
PL06118333T PL1724226T3 (pl) 2004-01-06 2004-12-27 Instalacja dźwigowa
CY20101100460T CY1110542T1 (el) 2004-01-06 2010-05-21 Εγκατασταση ανελκυστηρα

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
EP04405008A EP1555234B1 (fr) 2004-01-06 2004-01-06 Ascenseur
EP06118333A EP1724226B1 (fr) 2004-01-06 2004-12-27 Ascenseur
EP04804313A EP1706346B1 (fr) 2004-01-06 2004-12-27 Systeme d'ascenseur

Related Parent Applications (3)

Application Number Title Priority Date Filing Date
EP04804313A Division EP1706346B1 (fr) 2004-01-06 2004-12-27 Systeme d'ascenseur
EP04804313A Division-Into EP1706346B1 (fr) 2004-01-06 2004-12-27 Systeme d'ascenseur
EP04804313.7 Division 2004-12-27

Publications (2)

Publication Number Publication Date
EP1724226A1 EP1724226A1 (fr) 2006-11-22
EP1724226B1 true EP1724226B1 (fr) 2010-02-24

Family

ID=34610248

Family Applications (3)

Application Number Title Priority Date Filing Date
EP04405008A Expired - Lifetime EP1555234B1 (fr) 2004-01-06 2004-01-06 Ascenseur
EP04804313A Active EP1706346B1 (fr) 2004-01-06 2004-12-27 Systeme d'ascenseur
EP06118333A Active EP1724226B1 (fr) 2004-01-06 2004-12-27 Ascenseur

Family Applications Before (2)

Application Number Title Priority Date Filing Date
EP04405008A Expired - Lifetime EP1555234B1 (fr) 2004-01-06 2004-01-06 Ascenseur
EP04804313A Active EP1706346B1 (fr) 2004-01-06 2004-12-27 Systeme d'ascenseur

Country Status (20)

Country Link
US (2) US7757817B2 (fr)
EP (3) EP1555234B1 (fr)
JP (1) JP4896738B2 (fr)
CN (1) CN1902119B (fr)
AT (2) ATE325771T1 (fr)
AU (1) AU2004312154B2 (fr)
BR (1) BRPI0418358A (fr)
CA (1) CA2552202C (fr)
CY (1) CY1110542T1 (fr)
DE (2) DE502004000538D1 (fr)
DK (2) DK1555234T3 (fr)
ES (2) ES2264105T3 (fr)
MX (1) MXPA06007700A (fr)
NO (1) NO334078B1 (fr)
NZ (1) NZ548565A (fr)
PL (1) PL1724226T3 (fr)
PT (2) PT1555234E (fr)
SI (1) SI1724226T1 (fr)
WO (1) WO2005066060A1 (fr)
ZA (1) ZA200606452B (fr)

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JP5627829B2 (ja) * 2005-10-21 2014-11-19 インベンテイオ・アクテイエンゲゼルシヤフトＩｎｖｅｎｔｉｏ Ａｋｔｉｅｎｇｅｓｅｌｌｓｃｈａｆｔ 駆動プーリと支持手段を備えた支持手段システム、およびこのような支持手段システムを備えたエレベータ設備
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EP1886957A1 (fr) 2006-08-11 2008-02-13 Inventio Ag Courroie d'élévateur pour un élévateur et procédé de fabrication d'une telle courroie d'élévateur
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CN101875467B (zh) * 2010-03-29 2012-05-23 江南嘉捷电梯股份有限公司 一种电梯用牵引带
EP2558398A2 (fr) * 2010-04-12 2013-02-20 Inventio AG Élément porteur pour un système d'ascenseur
DE102010016872A1 (de) 2010-05-11 2011-11-17 Contitech Antriebssysteme Gmbh Riemen für die Antriebstechnik, insbesondere riemenartiges Zugelement für die Aufzugstechnik, mit brandhemmenden Eigenschaften
JP5732668B2 (ja) * 2010-05-28 2015-06-10 伊東電機株式会社 ローラコンベア装置及びローラ同士の間で動力を伝動する動力伝動構造
KR20130125797A (ko) * 2010-12-22 2013-11-19 오티스 엘리베이터 컴파니 엘리베이터 서스펜션 및/또는 구동 장치
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EP2694420A1 (fr) * 2011-04-08 2014-02-12 Inventio AG Ascenseur pour pompiers
CN102304863B (zh) * 2011-08-02 2014-01-15 宁波谷达机电有限公司 电梯曳引带及其制造方法
DE102012110769A1 (de) 2012-11-09 2014-05-15 Contitech Antriebssysteme Gmbh Riemen für die Antriebstechnik, insbesondere riemenartiges Zugelement für die Aufzugstechnik, mit brandhemmenden Eigenschaften
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EP1724226A1 (fr) 2006-11-22
EP1555234B1 (fr) 2006-05-10
PT1724226E (pt) 2010-05-21
PL1724226T3 (pl) 2010-07-30
US8550216B2 (en) 2013-10-08
ATE325771T1 (de) 2006-06-15
CY1110542T1 (el) 2015-04-29
EP1706346B1 (fr) 2012-10-10
CA2552202C (fr) 2012-03-20
EP1706346A1 (fr) 2006-10-04
US20090166132A1 (en) 2009-07-02
JP4896738B2 (ja) 2012-03-14
JP2007517747A (ja) 2007-07-05
ATE458692T1 (de) 2010-03-15
DK1555234T3 (da) 2006-08-21
DE502004010825D1 (de) 2010-04-08
ZA200606452B (en) 2008-01-08
DK1724226T3 (da) 2010-06-14
US7757817B2 (en) 2010-07-20
NZ548565A (en) 2009-09-25
US20070084671A1 (en) 2007-04-19
NO20063575L (no) 2006-10-06
ES2341276T3 (es) 2010-06-17
NO334078B1 (no) 2013-12-02
PT1555234E (pt) 2006-08-31
AU2004312154B2 (en) 2010-03-04
SI1724226T1 (sl) 2010-07-30
CA2552202A1 (fr) 2005-07-21
WO2005066060A1 (fr) 2005-07-21
BRPI0418358A (pt) 2007-05-08
DE502004000538D1 (de) 2006-06-14
EP1555234A1 (fr) 2005-07-20
ES2264105T3 (es) 2006-12-16
CN1902119B (zh) 2010-05-26
AU2004312154A1 (en) 2005-07-21
MXPA06007700A (es) 2006-09-01
CN1902119A (zh) 2007-01-24

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