EP0699618B1 - Dispositif de serrage pour un câble à fibres synthétiques - Google Patents

Dispositif de serrage pour un câble à fibres synthétiques Download PDF

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Publication number
EP0699618B1
EP0699618B1 EP95112341A EP95112341A EP0699618B1 EP 0699618 B1 EP0699618 B1 EP 0699618B1 EP 95112341 A EP95112341 A EP 95112341A EP 95112341 A EP95112341 A EP 95112341A EP 0699618 B1 EP0699618 B1 EP 0699618B1
Authority
EP
European Patent Office
Prior art keywords
cable
rope
clamping device
grooves
cables
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.)
Expired - Lifetime
Application number
EP95112341A
Other languages
German (de)
English (en)
Other versions
EP0699618A1 (fr
Inventor
Hans Dipl. Ing. Bloechle
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
Publication of EP0699618A1 publication Critical patent/EP0699618A1/fr
Application granted granted Critical
Publication of EP0699618B1 publication Critical patent/EP0699618B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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
    • B66B7/08—Arrangements of ropes or cables for connection to the cars or cages, e.g. couplings

Definitions

  • the invention is based on a rope clamping device for a synthetic fiber rope according to the preamble of claim 1.
  • a rope clamping device for a synthetic fiber rope according to the preamble of claim 1.
  • DE 34 03 101 C1 such a device for bracing antenna or telescopic masts has become known, which has a round bar fastened to a base plate with a thread-like recess having.
  • This rope clamp is only suitable for a single rope and is relatively large and voluminous in relation to the diameter of the rope in each direction of expansion.
  • High-strength fiber ropes made of one-dimensional, elongated molecular chains and an all-round protective polyurethane cover meet these requirements. They are light, have a small diameter and a high tensile strength. Without reducing the tensile strength, such ropes can only absorb small transverse forces caused by clamping or pressing.
  • the invention characterized in the claims solves the problem of avoiding the disadvantages of the known device and of creating a rope clamping device suitable for synthetic ropes for large loads, which enables the secure attachment of a large number of closely spaced ropes.
  • the rope connection particularly fulfills the requirements in elevator construction, where large loads have to be fixed on a small mounting surface.
  • the short construction in the direction of the shaft extension has the additional advantage that the shaft length can be fully utilized or that no additional shaft elevation is required.
  • the tensile force in the rope is largely absorbed by the rope clamping device via the high coefficient of friction of the polyurethane sheath in the rope groove and the rope is not subjected to stress-reducing clamping, especially when entering the drainage area of the rope grooves across the grain.
  • sheathed synthetic fiber ropes can be attached without breaking or damaging the protective sheathing.
  • a cabin 2 guided in a shaft 1 hangs on several supporting ropes 3 made of synthetic fibers, which run over a traction sheave 5 connected to a motor 4.
  • On the cabin 2 there are rope clamps 6 to which the ropes are attached at one end.
  • the other ends of the ropes 3 are fastened in the same way to a counterweight 7, which is also guided in the shaft 1.
  • the traction sheave 5 has six closely spaced grooves 8 for one rope each. Traction sheaves with two to twelve grooves are common in elevator construction.
  • the cabin 2 reaches its point closest to the traction sheave, ie the cable clamping devices 6 are located directly under the traction sheave 5. If the cabin stops on the bottom floor, they are on the top of the counterweight 7 attached rope clamps 6 directly under the traction sheave 5th
  • FIG. 2 shows a detail of a rope clamping device 6, the ropes 3 being drawn only in sections for better clarity.
  • a cylindrical holding drum 10 Transversely to the direction of the cable, which runs perpendicular to the plane of the sheet in FIG. 2, there is a cylindrical holding drum 10 which is screwed with angled holding plates 11 so that it cannot move and cannot be rotated, for example here on the counterweight 7.
  • a rope group 14 with three ropes 3 each is wound onto the rope grooves 12 from a run-off area 13 in the middle of the holding drum 10 towards its two ends.
  • the two cable groups 14 therefore run at a distance from one another from opposite sides of the holding drum 10. Seen across the axis of the holding drum 10, however, the ropes 3 lie directly next to one another, as they run onto the traction sheave with six adjacent grooves.
  • the groove width of the rope grooves 12 corresponds to the rope diameter in the middle of the holding drum 10 at the entrance or exit of the ropes 3. A lateral pressure of the cable 3 which reduces the load capacity is thereby avoided. From the entry of the loaded ropes, the rope grooves 12 become narrower in their cross-section, so that the rope is gradually clamped sideways as the tensile load decreases. In the drawing, the continuous reduction in cross-section is shown as an abrupt change for reasons of simplification.
  • the unloaded rope ends are fixed by clamping brackets 15 in the rope grooves 12, which are hooked into the end faces and are screwed onto the holding drum 10 after the first thread-like groove 16 of all rope grooves 12.
  • the clamping brackets 15 are by securing brackets lying loosely as far as possible 17 extended, which extend in the axial direction of the holding drum 10 and run across the ropes 3 without pressure. When relieved, they prevent the slack ropes 3 from falling out of the rope grooves 12.
  • the holding drum 31 ⁇ 2 usable groove passages 16.
  • more or less grooving can be provided.
  • the embodiment shows that for simple lifts with only two ropes a single spiral groove would suffice, which is wound from both ends with one rope each.
  • the tensile force effective in a rope 3 is successively transmitted to the holding drum 10 via friction in the associated rope groove 12.
  • the synthetic fiber rope 3 is increasingly clamped laterally.
  • the transverse forces that gradually increase as the tensile force decreases in the holding drum 10 remain locally so low that the original tensile strength of the rope 3 is not reduced.
  • a rope 3 is stretched as a result of the tensile stress, it can be easily re-tensioned by at least partially unwinding it from the holding drum 10 and then winding it again with a shortened rope length. Tools are not required for this process. A protruding end of the rope is simply cut off.
  • the rope clamping device 6 ' consists of only one holding drum 10', which has four adjacent spiral rope grooves 12 'on each half of the drum.
  • the two groups of four have opposite sense of thread, so that the ropes 3 all run in a line directly adjacent to one another from the holding drum 10 ′ and run onto the traction sheave 5 connected to the motor 4 at a constant distance.
  • the ropes 3 are again fixed with clamps 15 and secured with safety clips 17.
  • the third exemplary embodiment shows how, with the arrangement of two or four holding drums 10 ′′, practically any number of ropes 3 can run directly next to one another from the rope clamping device 6 without making the holding drums 10 ′′ become too long.
  • two holding drums 10 ′′ are arranged one behind the other on the same axis and two such pairs are arranged side by side.
  • On each holding drum 10 '' three a total of twelve ropes 3 are wound.
  • Holding drums 10 ′′ arranged at the same axis have spiral rope grooves 12 ′′ each with opposite thread sense, the ropes 3 are wound in the same winding direction, so that they strive towards the opposite ends of the holding drums 10 ′′.
  • Holding drums 10 ′′ arranged next to one another likewise have cable grooves 12 ′′ with an opposite thread sense, but here the winding direction of the cables 3 is also opposite.
  • the result is that the drainage areas 13 ′′ of the cable grooves 12 ′′ of all holding drums 10 ′′ face each other. This means that all ropes 3 run directly next to each other and on approximately the same line.
  • the individual holding drums 10 ′′ can be made very thin, since the possible radius of curvature of a plastic rope 3 is only one to six times the rope diameter, depending on the rigidity.
  • the cable clamping device 6 can thus be individually adapted to the dimensions or space conditions in the case of the counterweight and cabin.
  • the cable clamping device 6 ′′ ′′ has spiral grooves (12 ′′ ′′) which are designed as flat curves winding around a point.
  • the holding drums 10 ′′ ′′ are flat disks with a milled in one end face in the Cross section gradually narrowing rope grooves 12 "' Inserting the rope 3 covered with a screwed flat cover 18.
  • the next adjacent holding drum 10 "' can also take place.
  • the unloaded rope end is fixed with a clamping bracket 15"'.
  • the rope end can be passed through a central opening 19 in the holding drum 10 "'or a central opening 20 in the cover 18.
  • the opening 20 is expediently chosen to be large enough that the screws of the clamping bracket 15"' are removed without removing the cover 18 are accessible. Then the cover 18 only needs to be loosened for retensioning, but not completely removed.
  • the rope clamping device 6 '' ' has the advantage of an extraordinarily narrow construction, but requires a somewhat greater height in the shaft direction than the solutions described above.
  • the disk-shaped holding drums 10 "' can, for example, be arranged as a group of four, as in the third exemplary embodiment. If more than four ropes are required, a plurality of holding drums 10"' can be arranged next to one another at a slant by one groove width of the traction sheave 5, so that seen transversely to the disks Ropes lie next to each other.
  • the fifth exemplary embodiment according to FIG. 6 shows a rope clamping device 6 '''' which is particularly simple and inexpensive to construct.
  • the two adjacent holding drums 10 '''' consist of two flat, preferably integrally connected disks 21.
  • a cable groove 12 '''' which widens slightly towards the outside.
  • a rope 3 is wound spirally in this.
  • the rope groove 12 '''' becomes narrower inwards from the entry of the rope and only clamps the inner portion of the rope 3 laterally.
  • the superimposed rope turns exert the greatest pressure on the innermost turn. The extreme, due to the load on Most of the stressed rope turns are not pressed on the side or only slightly.
  • the holding drum 10 '' '' is pressed axially onto a cone 22 which is fixedly connected to a holding bracket 23.
  • a holding bracket 23 For reliable fixing of the holding drum 10 '' '', it is fastened to the holding bracket 23 with screws 24.
  • two or any number of pairs of holding drums 10 '' '', as indicated schematically in FIG. 7, can each be arranged offset from one another.

Landscapes

  • Lift-Guide Devices, And Elevator Ropes And Cables (AREA)
  • Storage Of Web-Like Or Filamentary Materials (AREA)
  • Ropes Or Cables (AREA)
  • Cage And Drive Apparatuses For Elevators (AREA)
  • Light Guides In General And Applications Therefor (AREA)
  • Processing Of Terminals (AREA)

Claims (10)

  1. Dispositif de serrage pour des câbles en fibres synthétiques, en particulier pour des câbles d'ascenseurs (3), comportant un tambour de fixation (10) dans lequel est réalisée au moins une rainure (12) destinée à recevoir le câble porteur (3), caractérisé en ce que le ou les tambours de fixation (10) sont solidaires de la cabine (2) et/ou du contrepoids (7) d'un ascenseur, en ce qu'il est prévu, juxtaposées sur un ou plusieurs tambours de fixation (10), plusieurs rainures pour câble (12) dont les spires (16) pour le déroulement des câbles (3) se terminent tout près les unes des autres, et en ce que la section transversale des rainures pour câble (12) va en diminuant à partir de l'entrée du câble (3) contraint.
  2. Dispositif de serrage de câbles selon la revendication 1, caractérisé en ce que plusieurs tambours de fixation (10) sont alignés ou juxtaposés, les zones de déroulement (13) des rainures pour câbles (12) étant tournées les unes vers les autres.
  3. Dispositif de serrage de câbles selon la revendication 1 ou 2, caractérisé en ce que la rainure pour câble (12"") reçoit plusieurs spires du câble (3) superposées.
  4. Dispositif de serrage de câbles selon la revendication 1 ou 2, caractérisé en ce que des câbles (3) sont enroulés dans des sens de filetage opposés sur environ la moitié de rainures (12) disposées dans le même axe.
  5. Dispositif de serrage de câbles selon l'une des revendications précédentes, caractérisé en ce que les câbles (3) sont maintenus à leur extrémité non contrainte dans les rainures hélicoïdales (12) grâce à une compression latérale, en particulier à l'aide d'étriers de serrage (15).
  6. Dispositif de serrage de câbles selon l'une des revendications précédentes, caractérisé en ce que les câbles (3) sont bloqués dans les rainures (12) par des étriers de blocage (17) afin de ne pas en sortir.
  7. Dispositif de serrage de câbles selon l'une des revendications précédentes, caractérisé en ce que des tambours de fixation (10") disposés dans le même axe ont des rainures de câble (12") qui présentent des sens de filetage opposés, les câbles (3) étant enroulés dans des sens d'enroulement identiques, de sorte que les extrémités de câble fixées sont dirigées vers les extrémités opposées des tambours de fixation (10").
  8. Dispositif de serrage de câbles selon l'une des revendications précédentes, caractérisé en ce que des tambours de fixation (10") juxtaposés ont des rainures hélicoïdales (12") qui présentent des sens de filetage opposés, les sens d'enroulement des câbles (3) étant opposés.
  9. Dispositif de serrage de câbles selon l'une des revendications précédentes, caractérisé en ce que les rainures de câble sont disposées en hélice sur le tambour de fixation (10), sous la forme de rainures hélicoïdales (12).
  10. Dispositif de serrage de câbles selon l'une des revendications 1 à 8 précédentes, caractérisé en ce que les rainures pour câble (12) sont conçues comme des rainures hélicoïdales planes qui s'enroulent autour d'un point.
EP95112341A 1994-08-29 1995-08-05 Dispositif de serrage pour un câble à fibres synthétiques Expired - Lifetime EP0699618B1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
CH2628/94 1994-08-29
CH262894 1994-08-29
CH262894 1994-08-29

Publications (2)

Publication Number Publication Date
EP0699618A1 EP0699618A1 (fr) 1996-03-06
EP0699618B1 true EP0699618B1 (fr) 2000-04-05

Family

ID=4238041

Family Applications (1)

Application Number Title Priority Date Filing Date
EP95112341A Expired - Lifetime EP0699618B1 (fr) 1994-08-29 1995-08-05 Dispositif de serrage pour un câble à fibres synthétiques

Country Status (9)

Country Link
US (1) US5855254A (fr)
EP (1) EP0699618B1 (fr)
JP (1) JP3701059B2 (fr)
CN (1) CN1036060C (fr)
AT (1) ATE191430T1 (fr)
CA (1) CA2154422C (fr)
DE (1) DE59508121D1 (fr)
DK (1) DK0699618T3 (fr)
HK (1) HK1011344A1 (fr)

Families Citing this family (25)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6401871B2 (en) * 1998-02-26 2002-06-11 Otis Elevator Company Tension member for an elevator
US6256841B1 (en) 1998-12-31 2001-07-10 Otis Elevator Company Wedge clamp type termination for elevator tension member
US7874404B1 (en) 1998-09-29 2011-01-25 Otis Elevator Company Elevator system having drive motor located between elevator car and hoistway sidewall
DE29924760U1 (de) * 1998-02-26 2005-06-23 Otis Elevator Co., Farmington Zugelement für einen Aufzug
US6061879A (en) * 1998-12-23 2000-05-16 Otis Elevator Company Epoxy type termination for flexible flat termination member
US6820726B1 (en) 1998-12-22 2004-11-23 Otis Elevator Company Traction enhanced controlled pressure flexible flat tension member termination device
SG83818A1 (en) * 1999-10-21 2001-10-16 Inventio Ag Rope deflection and suitable synthetic fiber rope and their use
US6484368B1 (en) 2000-01-11 2002-11-26 Otis Elevator Company Flexible flat tension member termination device
US6695098B1 (en) 2000-01-21 2004-02-24 Otis Elevator Company Self-locking wrap termination for tension member
WO2002012108A1 (fr) * 2000-08-09 2002-02-14 Mitsubishi Denki Kabushiki Kaisha Dispositif elevateur
US6758309B2 (en) 2001-12-04 2004-07-06 Otis Elevator Company Assembly for supporting the end of a load bearing member in an elevator system
US7195707B2 (en) * 2003-02-05 2007-03-27 Ruppel Michael J Apparatus for determining weight and biomass composition of a trickling filter
JP4683863B2 (ja) * 2003-06-19 2011-05-18 インベンテイオ・アクテイエンゲゼルシヤフト 可動式牽引手段による負荷輸送用の昇降機
CN101557036B (zh) * 2009-05-21 2012-08-22 中国电子科技集团公司第五十四研究所 一种自复位电缆缠绕装置的制造方法
US20130193391A1 (en) * 2010-02-24 2013-08-01 Stephan Frans Fok Method for winding and unwinding a synthetic rope on a winch drum
GB201306974D0 (en) 2013-04-17 2013-05-29 Parkburn Prec Handling Systems Ltd Load Bearing Apparatus and Method
US20150371741A1 (en) * 2014-06-20 2015-12-24 Henry H. Leggett Method and apparatus for treating logging cable
CN104444889A (zh) * 2014-09-29 2015-03-25 哈尔滨银桥机械设备有限责任公司 斜槽式交叉缠绕无极绳绞车
CN104444766B (zh) * 2014-12-03 2016-10-12 国家电网公司 电力变压器绝缘套管吊装装置
KR102520029B1 (ko) 2014-12-19 2023-04-10 오티스 엘리베이터 컴파니 엘리베이터 벨트를 위한 종단
FI127270B (fi) * 2015-05-20 2018-02-28 Konecranes Global Oy Köysirumpu ja menetelmä vetojännityksessä olevan köyden vetämiseksi sisään tai vapauttamiseksi ulos
US20170198970A1 (en) * 2016-01-08 2017-07-13 Henry H. Leggett Method and apparatus for treating logging cable
FI127455B (fi) * 2017-05-31 2018-06-29 Konecranes Global Oy Laite ja menetelmä punotun nostoköyden pään kiinnittämiseksi nostimeen
FI128543B (fi) * 2017-12-12 2020-07-31 Konecranes Global Oy Nostinlaitteen nostoköyden kiinnityslaite
CN109292601B (zh) * 2018-12-07 2021-05-18 王玉可 一种更换电梯钢丝绳的方法

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Publication number Priority date Publication date Assignee Title
US1436566A (en) * 1922-02-01 1922-11-21 R H Beaumont Company Take-up for skip-hoist ropes
GB1067687A (en) * 1964-11-09 1967-05-03 British Hoist And Crane Compan Clamps for hoist ropes
DE3403101C1 (de) 1984-01-30 1985-07-18 Geroh GmbH Mechanische Systeme, 8551 Waischenfeld Bewegliche Seilklemme

Also Published As

Publication number Publication date
JPH0867455A (ja) 1996-03-12
ATE191430T1 (de) 2000-04-15
JP3701059B2 (ja) 2005-09-28
EP0699618A1 (fr) 1996-03-06
CN1036060C (zh) 1997-10-08
DK0699618T3 (da) 2000-09-04
CA2154422C (fr) 2005-05-24
CA2154422A1 (fr) 1996-03-01
CN1126171A (zh) 1996-07-10
US5855254A (en) 1999-01-05
HK1011344A1 (en) 1999-07-09
DE59508121D1 (de) 2000-05-11

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