EP0884067B1 - Dispositif de freinage pour appareil de remontée et descente - Google Patents

Dispositif de freinage pour appareil de remontée et descente Download PDF

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Publication number
EP0884067B1
EP0884067B1 EP97810359A EP97810359A EP0884067B1 EP 0884067 B1 EP0884067 B1 EP 0884067B1 EP 97810359 A EP97810359 A EP 97810359A EP 97810359 A EP97810359 A EP 97810359A EP 0884067 B1 EP0884067 B1 EP 0884067B1
Authority
EP
European Patent Office
Prior art keywords
rope
centrifugal
braking apparatus
brake
weights
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
EP97810359A
Other languages
German (de)
English (en)
Other versions
EP0884067A1 (fr
Inventor
Frank Wullimann
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.)
Rollgliss AG
Original Assignee
Rollgliss 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 Rollgliss AG filed Critical Rollgliss AG
Priority to DE59711234T priority Critical patent/DE59711234D1/de
Priority to EP97810359A priority patent/EP0884067B1/fr
Priority to AT97810359T priority patent/ATE258074T1/de
Priority to US09/092,957 priority patent/US6223868B1/en
Priority to CA002240122A priority patent/CA2240122A1/fr
Publication of EP0884067A1 publication Critical patent/EP0884067A1/fr
Application granted granted Critical
Publication of EP0884067B1 publication Critical patent/EP0884067B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • A—HUMAN NECESSITIES
    • A62—LIFE-SAVING; FIRE-FIGHTING
    • A62B—DEVICES, APPARATUS OR METHODS FOR LIFE-SAVING
    • A62B1/00—Devices for lowering persons from buildings or the like
    • A62B1/06—Devices for lowering persons from buildings or the like by making use of rope-lowering devices
    • A62B1/08—Devices for lowering persons from buildings or the like by making use of rope-lowering devices with brake mechanisms for the winches or pulleys
    • A62B1/10—Devices for lowering persons from buildings or the like by making use of rope-lowering devices with brake mechanisms for the winches or pulleys mechanically operated

Definitions

  • the present invention relates to a braking device according to the preamble of claim 1, in particular for use on descenders.
  • Ascending / descending devices e.g. according to the European patent publication Applicant's EP-A-480 117 are preferred used to pull people or loads up on a rope or lower. Preferred areas of application are the emergency services or mobile use in general of these devices.
  • the up / down ropes have essentially the function of reducing the retention force when abseiling in connection with a safeguard against uncontrolled The person or load hanging on the rope falls.
  • An object of the present invention is to provide a Specify device that an increase in abseiling Abseiling speed over a given limit prevented.
  • an up / down rope device on the train side a braking device attached when exceeded a predetermined speed of the rope, preferably only when abseiling, a friction brake on the rope to engage brings.
  • the braking device increases the Braking effect of the friction brake with increasing Rope speed, so that even with heavy loads Rappelling speed no illegal, uncontrollable Speed reached.
  • FIG. 1 shows a rope brake device 1 according to the invention on an up / down rope device 2, z. B. one according to WO-A-9 717 107.
  • Friction wheel 3 with rimmed tread which is against a rope 4 is pressed.
  • Both in the rope-up 5 and in the rope-down direction 6 driving wheel 3 is taken along.
  • the pull end 7 of the rope passes through a rope guide 8 (see FIG. 2), which consists of two cheeks formed essentially mirror images of each other 9, 10 (Fig. 3) is composed.
  • One, stationary jaw 9 is firmly connected to the housing 11, while the second jaw 10 is designed to be movable.
  • the jaws 9, 10 are once through a fixed cone 13 or one displaceable on the axis 14, with the Centrifugal unit 16 coupled cone 15 held to others secured by a screw 17 against twisting.
  • a screw 17 On the screw 17 is a bolt 18 with an internal thread screwed on through a hole at the rear end of the Brake shoes 9, 10 passes near the plateaus 19 and is slightly conical to allow movement of the brake shoe 10 allow.
  • the movable shoe 10 tilts over the leading edges of the plateaus when the movable cone 15 through the centrifugal unit towards the solid Cone 13 is moved.
  • the centrifugal unit 16 consists of the friction wheel 3, in which a shaft 20 is rotatably supported. On the outer end the shaft 20 is a planet gear 21, which with a fixed, internally toothed ring gear 22 combs. At the another, inner end of the shaft 20 is seated Planet gear 23, which meshes with the sun gear 24. This planet gear 23 is on by means of a freewheel 25 the shaft 20 attached. The freewheel locks when roped so that about the friction wheel 3 and the planetary gear from the ring gear 22, the gears 21 and 23, the sun gear 24 is rotated.
  • the freewheel 25 decouples the two in the direction of the cable Gears 21 and 23 so that the sun gear 25 is not is driven and the friction wheel is free, light and with can rotate at any speed without one To cause rope braking.
  • the 4 flyweights 26 surround in a symmetrical arrangement the core 27 (Fig. 4), each covering a 90 ° sector.
  • a spiral spring 31 lying outside in the groove 30 holds the Flyweights pressed against the core 27 and forms the Antagonist to centrifugal force.
  • Two pins 32 are inclined into the flyweights 26 used and protrude in the direction of the axis 14 from the Centrifugal weights 26 out.
  • the pins 32 slide in bores 33 in the pressure ring 34.
  • the movable cone 15 is rotatable on a roller bearing 35.
  • a common design criterion for the braking device is, with a load of 150 kg abseiling speeds above Avoid 2 m / s.
  • the threshold and strength of the Brake is selected by appropriate choice of the different involved parts achieved, such as translation of the Planetary gear 21 - 24, weight of the flyweights 26, Strength and characteristics of the spiral spring 31, shape of the Brake shoes 9, 10 and the guide 8, etc.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Braking Arrangements (AREA)
  • Tires In General (AREA)
  • Emergency Lowering Means (AREA)
  • Maintenance And Inspection Apparatuses For Elevators (AREA)
  • Lift-Guide Devices, And Elevator Ropes And Cables (AREA)

Claims (10)

  1. Dispositif de freinage (1) pour un appareil (2) destiné à la montée et la descente sur câble, notamment un appareil destiné à monter et descendre des personnes et des charges en toute sécurité à l'aide d'un câble, avec une bobine (4) qui présente de préférence un blocage d'inversion empêchant la rotation de la bobine (4) lors de la descente, et qui est pourvue d'une unité centrifuge permettant de générer des forces centrifuges qui sont fonction d'une vitesse du câble, caractérisé par des moyens pour mesurer la vitesse du câble (3, 16) qui agissent conjointement avec un frein à câble (9, 10) configuré comme un frein à friction et agissant sur le câble de façon à exercer une force de freinage par friction sur le câble (7) dans le cas où l'augmentation de la vitesse du câble dépasse une vitesse maximale prédéterminée.
  2. Dispositif de freinage selon la revendication 1, caractérisé en ce que les moyens pour mesurer la vitesse du câble comprennent une roue à friction (3) qui peut être amenée en friction avec un câble (7) enroulé sur la bobine (4) de l'appareil (2) destiné à la montée et la descente sur câble.
  3. Dispositif de freinage selon l'une des revendications 1 à 2, caractérisé en ce que les moyens (3, 16) pour mesurer la vitesse du câble contiennent une unité centrifuge (16) qui comprend un agencement pivotant de masses centrifuges (26), et en ce qu'existent des moyens d'accouplement (15, 32-34) qui transmettent l'effet de la force centrifuge aux masses centrifuges (26) sur le frein à câble (9, 10) de façon à exercer sur un câble (7) un effet de freinage provenant du frein à câble (9, 10) augmentant avec la vitesse de rotation.
  4. Dispositif de freinage selon la revendication 3, caractérisé en ce que les masses centrifuges (26) en agencement symétrique entourent un coeur (27) pivotant d'où partent des moyens de guidage (28) radiaux, de préférence sous forme de broches, qui maintiennent mobiles en direction radiale les masses centrifuges, et l'agencement de masses centrifuges est entouré de manière périphérique par un élément à déformation (31), de préférence un ressort en spirale, qui précontraint les masses centrifuges (26) contre le coeur (27).
  5. Dispositif de freinage selon l'une des revendications 3 à 4, caractérisé en ce qu'entre la roue à friction (3) et l'agencement de masses centrifuges (26) est disposé un engrenage, notamment un engrenage planétaire (21-25), de sorte à amener en rotation l'agencement de masses centrifuges, de préférence avec une vitesse de rotation supérieure à celle de la roue à friction (3) .
  6. Dispositif de freinage selon l'une des revendications 1 à 5, caractérisé en ce que les moyens (3, 16) pour mesurer la vitesse du câble présentent un dispositif, notamment une roue libre (25), qui interrompt en cas de mouvement de transport en direction ascendante (5) la liaison active vers le frein à câble (9, 10) et/ou de préférence une liaison active à l'intérieur des moyens pour mesurer la vitesse du câble, de façon à inhiber une réaction du frein à câble (9, 10) en cas de transport ascendant (5).
  7. Dispositif de freinage selon l'une des revendications 1 à 6, caractérisé en ce que le frein à câble (9, 10) comprend un guide-câble (8) pour un câble, à largeur modifiable et de préférence sensiblement tubulaire, ce guide-câble présentant de préférence des bosses et/ou des creux (38) de façon qu'en réduisant sa largeur, il force le câble (7) à suivre un parcours de plus en plus en forme de S afin d'augmenter l'effet de freinage.
  8. Dispositif de freinage selon la revendication 7, caractérisé en ce qu'au moins une partie (10) du guide-câble (8) est conçue mobile de façon à permettre un élargissement du guide-câble (8), et en ce que la partie mobile (10) des moyens d'accouplement (15, 32-34) est déplaçable.
  9. Dispositif de freinage selon l'une des revendications 3 à 8, caractérisé en ce que les moyens d'accouplement (32, 33, 15) comprennent des premières zones de contact (32) présentes sur les masses centrifuges (26) et des secondes zones de contact (33) présentes sur des moyens d'accouplement (34) décalables parallèlement à l'axe de rotation de l'unité centrifuge, lesquelles sont disposées obliquement, notamment à environ 45° par rapport à l'axe de rotation, les premières zones de contact (32) étant configurées pour leur glissement ou leur décalage, au moyen de noyaux de cylindre intermédiaires, sur les secondes zones de contact (33) de manière à transformer sous l'effet d'une force centrifuge, la force et/ou le décalage radial des masses centrifuges (26) en une force ou un mouvement du moyen d'accouplement (15) sensiblement orienté longitudinalement par rapport à l'axe de rotation (14).
  10. Appareil destiné à la montée et la descente sur câble, avec un dispositif de freinage selon l'une des revendications précédentes.
EP97810359A 1997-06-09 1997-06-09 Dispositif de freinage pour appareil de remontée et descente Expired - Lifetime EP0884067B1 (fr)

Priority Applications (5)

Application Number Priority Date Filing Date Title
DE59711234T DE59711234D1 (de) 1997-06-09 1997-06-09 Bremsvorrichtung für Auf/Abseilgerät
EP97810359A EP0884067B1 (fr) 1997-06-09 1997-06-09 Dispositif de freinage pour appareil de remontée et descente
AT97810359T ATE258074T1 (de) 1997-06-09 1997-06-09 Bremsvorrichtung für auf/abseilgerät
US09/092,957 US6223868B1 (en) 1997-06-09 1998-06-08 Brake mechanism for device for hauling up/down by rope
CA002240122A CA2240122A1 (fr) 1997-06-09 1998-06-08 Mecanisme de freinage pour dispositif de levage a corde

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP97810359A EP0884067B1 (fr) 1997-06-09 1997-06-09 Dispositif de freinage pour appareil de remontée et descente

Publications (2)

Publication Number Publication Date
EP0884067A1 EP0884067A1 (fr) 1998-12-16
EP0884067B1 true EP0884067B1 (fr) 2004-01-21

Family

ID=8230255

Family Applications (1)

Application Number Title Priority Date Filing Date
EP97810359A Expired - Lifetime EP0884067B1 (fr) 1997-06-09 1997-06-09 Dispositif de freinage pour appareil de remontée et descente

Country Status (5)

Country Link
US (1) US6223868B1 (fr)
EP (1) EP0884067B1 (fr)
AT (1) ATE258074T1 (fr)
CA (1) CA2240122A1 (fr)
DE (1) DE59711234D1 (fr)

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US7226043B2 (en) * 1997-12-03 2007-06-05 Peter Stone Stable fail-safe cleat with automatic in-line locking cam
US6189867B1 (en) 1998-10-23 2001-02-20 Surety Manufacturing & Testing Ltd. Load-handling device
JP2001072358A (ja) * 1999-07-02 2001-03-21 Teijin Seiki Co Ltd エレベータ用巻上げ装置
FR2818259B1 (fr) * 2000-12-18 2003-04-18 Materiel Ind Et D Equipement S Cabine ascensionnelle de grue
AT411058B (de) * 2001-12-18 2003-09-25 Walter Lea Abseilvorrichtung
ATE396141T1 (de) * 2003-06-16 2008-06-15 Inventio Ag Seilbremse für einen aufzug
FR2860982B1 (fr) * 2003-10-20 2006-01-20 Zedel Dispositif antichute a galet bloqueur
US7963370B2 (en) * 2005-11-23 2011-06-21 Byung-Sun Hwang System and apparatus for personal high altitude rappel escape safety device
CN101444657B (zh) * 2008-12-30 2011-04-06 黄金伦 槽轮滑索器
US20130022439A1 (en) 2011-07-19 2013-01-24 Grid Training Corporation dba Northwest Lineman College Hoisting and lowering device
US9623269B2 (en) * 2013-03-14 2017-04-18 Black Diamond Equipment, Ltd. Systems for assisted braking belay with a cam-clutch mechanism
CN103979380B (zh) * 2014-05-21 2016-01-13 湖南大学 一种防意外移动的电梯夹绳器
DE202015001685U1 (de) * 2015-03-05 2015-03-23 Mittelmann Sicherheitstechnik Gmbh & Co. Kg Abseilgerät
US20170007857A1 (en) * 2016-07-20 2017-01-12 Cong Meng Brake Shoes Mechanism
US20190135596A1 (en) * 2017-11-07 2019-05-09 Wenger Corporation Line brake
CN111330194B (zh) * 2018-03-21 2021-01-29 楼林华 一种基于云梯消防车的高楼安全辅助提升装置
CN108607169B (zh) * 2018-04-23 2020-10-16 南通职业大学 离心式高楼逃生装置及其工作方法
CN109316672A (zh) * 2018-08-21 2019-02-12 叶泓希 一种顶层平台简易自动升降逃生装置
CN109775629B (zh) * 2019-03-15 2023-09-05 苏碧铃 一种爬绳器
US11092204B2 (en) 2019-03-29 2021-08-17 Goodrich Corporation Self adjusting automatic load brake
US11753280B2 (en) 2019-11-08 2023-09-12 Goodrich Corporation Axial rotation damping mechanism
US11780715B2 (en) 2020-03-16 2023-10-10 Wenger Corporation Hoist brake
CN111994815B (zh) * 2020-08-26 2021-09-17 广东长海建设工程有限公司 一种安全建筑起吊装置
CN113491850B (zh) * 2021-07-09 2022-04-22 安徽安兴装饰工程有限责任公司 一种用于室外装修的安全防护带
CN115337566B (zh) * 2022-08-19 2023-04-14 华电榆林煤炭工程技术有限公司 一种高空作业安全保护装置

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US2811228A (en) * 1956-02-13 1957-10-29 Haughton Elevator Company Fly ball governor cable clamp
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CA1309393C (fr) * 1986-12-28 1992-10-27 Tbr Corporation Dispositif pour faire descendre des personnes hors des batiments en cas d'urgence
US4729456A (en) * 1987-02-24 1988-03-08 Nihon Biso Kabushiki Kaisha Rope locking device with lock device and lock release therefor
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DE59009970D1 (de) * 1990-10-10 1996-01-25 Rollgliss Ag Auf- und Abseilgerät
US5127490A (en) * 1991-08-22 1992-07-07 Sheu Por Jiy Emergency descent device
JPH08270212A (ja) * 1995-03-30 1996-10-15 Nihon Bisoh Co Ltd ロープ牽引装置
AU3921595A (en) * 1995-11-06 1997-05-29 Rollgliss Ag Rope hoisting and lowering device

Also Published As

Publication number Publication date
US6223868B1 (en) 2001-05-01
EP0884067A1 (fr) 1998-12-16
ATE258074T1 (de) 2004-02-15
CA2240122A1 (fr) 1998-12-09
DE59711234D1 (de) 2004-02-26

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