EP1401758B1 - Seilbremse an geschwindigkeitsbegrenzer für aufzüge - Google Patents

Seilbremse an geschwindigkeitsbegrenzer für aufzüge Download PDF

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Publication number
EP1401758B1
EP1401758B1 EP02737714A EP02737714A EP1401758B1 EP 1401758 B1 EP1401758 B1 EP 1401758B1 EP 02737714 A EP02737714 A EP 02737714A EP 02737714 A EP02737714 A EP 02737714A EP 1401758 B1 EP1401758 B1 EP 1401758B1
Authority
EP
European Patent Office
Prior art keywords
brake
cable
cast iron
blocks
lifts
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
EP02737714A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP1401758A1 (de
Inventor
Peter MÖRI
Walter Windlin
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 EP02737714A priority Critical patent/EP1401758B1/de
Publication of EP1401758A1 publication Critical patent/EP1401758A1/de
Application granted granted Critical
Publication of EP1401758B1 publication Critical patent/EP1401758B1/de
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
    • B66B5/00—Applications of checking, fault-correcting, or safety devices in elevators
    • B66B5/02—Applications of checking, fault-correcting, or safety devices in elevators responsive to abnormal operating conditions
    • B66B5/16—Braking or catch devices operating between cars, cages, or skips and fixed guide elements or surfaces in hoistway or well
    • B66B5/18—Braking or catch devices operating between cars, cages, or skips and fixed guide elements or surfaces in hoistway or well and applying frictional retarding forces
    • B66B5/185—Braking or catch devices operating between cars, cages, or skips and fixed guide elements or surfaces in hoistway or well and applying frictional retarding forces by acting on main ropes or main cables

Definitions

  • the invention relates to a cable brake on a speed limiter for lifts, wherein the cable brake has two brake shoes.
  • Such cable brakes are operated when exceeding an allowable speed of the speed limiter, so that a guided over a pulley of the speed limiter, firmly braked with an elevator car limiter rope braked and a safety gear is triggered, by means of which the elevator car is brought to a standstill.
  • a speed limiter is known with a cable brake, which has a stationary and a movable brake shoe.
  • the movable brake shoe is fastened to a bracket guided in a cable brake housing.
  • Two standing under the action of a respective compression spring levers are hinged at one end to two bolts mounted in the bracket and the other end rotatably mounted on two axles mounted in the cable brake housing.
  • the compression springs are each biased between two discs, wherein the one disc bears against a shoulder of the lever and the other disc on the axis, and provided in the levers slots enable a displacement of the lever and thus the movable brake shoe in the direction of action of the compression springs.
  • the brake shoes consist in rope brakes of the type described above mostly either Alubronze (CuAl) or ductile iron (GGG). With brake shoes made of Alubronze a good braking effect is achieved. The heat released by the braking is dissipated quickly, but the wear is considerable with long braking distances. The brake shoes made of nodular cast iron have a less good braking effect. They are less worn, but can dissipate the brake heat worse. In addition, wear on the governor rope must be expected.
  • the invention has for its object to propose a rope brake according to the preamble, come in the above-mentioned disadvantages of the brake shoe material less effect.
  • the one brake shoe made of Alubronze and the other brake shoe made of ductile iron or gray cast iron are made of Alubronze and the other brake shoe made of ductile iron or gray cast iron.
  • Particularly powerful embodiments also have two brake shoes made of different materials, each one of the brake shoes consists of a ceramic-containing material.
  • both brake shoes consist of a ceramic-containing material.
  • 1 designates a brake housing that consists of two side parts 2, 3 with bent flanges 2. 1, 3. 1.
  • the side parts 2, 3 are connected to each other via a spacer 4 and a spacer tube 5.
  • an immovable brake shoe 6 is fixed, which consists for example of ductile iron (GGG) or gray cast iron.
  • GGG ductile iron
  • CuAl Alubronze
  • existing movable brake shoe 7 is connected to a guided between the side parts 2,3 of the brake housing 1 guide part 8.
  • Two telescopic levers 9 each consist of a cylinder part 9.1 and a piston part 9.2.
  • the cylinder parts 9.1 are hinged to two, mounted on the guide part 8 bolts 10, while the piston parts 9.2 are rotatably mounted on two arranged in the brake housing 1 axles 11.
  • compression springs 12 are arranged, which at the ends via washers 13 on the axes 11 and supported on the cylinder parts 9.1.
  • a tension spring 16 is stretched.
  • the traverse 14 is supported on an actuator of a speed limiter, not shown, so that the components guided on the telescopic levers 9 - Traverse 14, guide member 8 and brake shoe 7 - are held in an upper position.
  • said actuator When exceeding the permissible speed of an elevator car said actuator is shifted so that it no longer supports the cross member 14, so that the guide member 8 falls with the movable brake shoe 7 down and the brake shoe 7 by the compression springs 12 against a between her and the immovable brake shoe 6 running governor rope 17 is pressed. As a result, the governor rope 17 is braked and triggered a safety gear.
EP02737714A 2001-06-29 2002-06-25 Seilbremse an geschwindigkeitsbegrenzer für aufzüge Expired - Lifetime EP1401758B1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP02737714A EP1401758B1 (de) 2001-06-29 2002-06-25 Seilbremse an geschwindigkeitsbegrenzer für aufzüge

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
EP01810631 2001-06-29
EP01810631 2001-06-29
EP02737714A EP1401758B1 (de) 2001-06-29 2002-06-25 Seilbremse an geschwindigkeitsbegrenzer für aufzüge
PCT/CH2002/000340 WO2003002446A1 (de) 2001-06-29 2002-06-25 Seilbremse an geschwindigkeitsbegrenzer für aufzüge

Publications (2)

Publication Number Publication Date
EP1401758A1 EP1401758A1 (de) 2004-03-31
EP1401758B1 true EP1401758B1 (de) 2006-03-29

Family

ID=8183991

Family Applications (1)

Application Number Title Priority Date Filing Date
EP02737714A Expired - Lifetime EP1401758B1 (de) 2001-06-29 2002-06-25 Seilbremse an geschwindigkeitsbegrenzer für aufzüge

Country Status (12)

Country Link
US (1) US20040149524A1 (zh)
EP (1) EP1401758B1 (zh)
JP (1) JP2004530612A (zh)
CN (1) CN1290753C (zh)
AT (1) ATE321724T1 (zh)
CA (1) CA2448057A1 (zh)
DE (1) DE50206232D1 (zh)
ES (1) ES2261679T3 (zh)
HK (1) HK1065012A1 (zh)
PT (1) PT1401758E (zh)
TW (1) TWI269774B (zh)
WO (1) WO2003002446A1 (zh)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4904012B2 (ja) * 2005-04-08 2012-03-28 東芝エレベータ株式会社 エレベータ用ロープブレーキ装置
ATE401283T1 (de) * 2005-05-09 2008-08-15 Dynatech Dynamics & Technology Fangvorrichtung für eine graduelle bidirektionale sicherheitsvorrichtung
BRPI0601926B1 (pt) * 2005-06-17 2018-06-12 Inventio Aktiengesellschaft Dispositivo de pára-quedas do freio
CA2646942C (en) 2006-03-16 2014-07-29 Niconovum Ab Improved snuff composition
CN103492302B (zh) * 2011-04-19 2018-02-13 奥的斯电梯公司 具有制动器释放特征的电梯制动器
WO2017017488A1 (en) * 2015-07-29 2017-02-02 Otis Elevator Company Safety block for elevator
US10329120B2 (en) * 2015-09-12 2019-06-25 Otis Elevator Company Elevator overspeed governor
AU2017358502B2 (en) 2016-11-10 2020-10-29 Inventio Ag Cable brake, elevator car, and elevator system
CN106429709A (zh) * 2016-12-09 2017-02-22 佛山市南海区永通力电梯配件厂（普通合伙） 夹绳器
CN110626905B (zh) * 2018-06-22 2021-01-15 株式会社日立制作所 电梯及其限速器
CN110759203B (zh) * 2019-09-25 2022-05-13 浙江威特电梯有限公司 一种带停电应急和电动松闸集成的控制装置

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2122405A (en) * 1937-01-23 1938-07-05 Raybestos Manhattan Inc Metallic inlaid friction surface
US3239319A (en) * 1963-05-10 1966-03-08 American Brake Shoe Co Cast railroad brake shoe and method of making same
DE2251124A1 (de) * 1971-11-01 1973-05-03 Us Elevator Corp Uebergeschwindigkeits-seilverzoegerungsvorrichtung
US4807728A (en) * 1986-03-20 1989-02-28 Hitachi Metals, Ltd. Brake member and method of manufacturing same
DE3802488C2 (de) * 1988-01-28 1999-06-24 Stihl Maschf Andreas Bremsband zum Stillsetzen der Sägekette einer Motorkettensäge
US5299661A (en) * 1992-11-03 1994-04-05 Otis Elevator Company Mechanical overspeed safety device
JPH06346932A (ja) * 1993-06-08 1994-12-20 Akebono Brake Ind Co Ltd 摩擦材
US5957251A (en) * 1996-05-02 1999-09-28 The Dow Chemical Company Brake or clutch components having a ceramic-metal composite friction material
US6364072B1 (en) * 1997-04-28 2002-04-02 Alliedsignal Bremsbelag Gmbh Sintered material for a magnetic track brake
JP2004211888A (ja) * 2002-12-24 2004-07-29 Inventio Ag ケーブルを制動するブレーキシュー

Also Published As

Publication number Publication date
EP1401758A1 (de) 2004-03-31
CA2448057A1 (en) 2003-01-09
DE50206232D1 (de) 2006-05-18
PT1401758E (pt) 2006-06-30
ES2261679T3 (es) 2006-11-16
US20040149524A1 (en) 2004-08-05
ATE321724T1 (de) 2006-04-15
CN1516675A (zh) 2004-07-28
WO2003002446A1 (de) 2003-01-09
CN1290753C (zh) 2006-12-20
JP2004530612A (ja) 2004-10-07
TWI269774B (en) 2007-01-01
HK1065012A1 (en) 2005-02-08

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