EP1783087A2 - Dispositif freinant de secours double-effet pour cabine d'ascenseurs - Google Patents

Dispositif freinant de secours double-effet pour cabine d'ascenseurs Download PDF

Info

Publication number: EP1783087A2
Authority: EP; European Patent Office
Prior art keywords: friction; rail; elevator; cam; shaft
Prior art date: 2005-10-14
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.): Granted

Application number

EP06380263A

Other languages

German (de)

English (en)

Other versions

EP1783087B1 (fr

EP1783087A3 (fr

Inventor

José Gallegos Marin

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.)

TK Elevator Brazil

TK Elevadores Espana SL

Original Assignee

ThyssenKrupp Elevadores SA

ThyssenKrupp Elevadores SL

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.)

2005-10-14

Filing date

2006-10-09

Publication date

2007-05-09

2006-10-09 Application filed by ThyssenKrupp Elevadores SA, ThyssenKrupp Elevadores SL filed Critical ThyssenKrupp Elevadores SA

2007-05-09 Publication of EP1783087A2 publication Critical patent/EP1783087A2/fr

2012-04-04 Publication of EP1783087A3 publication Critical patent/EP1783087A3/fr

2013-05-08 Application granted granted Critical

2013-05-08 Publication of EP1783087B1 publication Critical patent/EP1783087B1/fr

Status Not-in-force legal-status Critical Current

2026-10-09 Anticipated expiration legal-status Critical

Links

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230000007246 mechanism Effects 0.000 claims description 5
238000001514 detection method Methods 0.000 claims description 3
230000001154 acute effect Effects 0.000 claims description 2
230000000284 resting effect Effects 0.000 claims description 2
230000000694 effects Effects 0.000 description 3
230000001105 regulatory effect Effects 0.000 description 2
230000000630 rising effect Effects 0.000 description 2
238000010521 absorption reaction Methods 0.000 description 1
230000002457 bidirectional effect Effects 0.000 description 1
238000006243 chemical reaction Methods 0.000 description 1
238000006073 displacement reaction Methods 0.000 description 1
230000002349 favourable effect Effects 0.000 description 1
238000009434 installation Methods 0.000 description 1
238000005461 lubrication Methods 0.000 description 1

Images

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
- B66B5/20—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 means of rotatable eccentrically-mounted members

Definitions

the invention relates to bidirectional safety gears for elevator cars.
the invention described in document EP 1283189B1 shows a safety braking device for elevator cars.
the device comprises a support element to be fixed to the car and at least one brake block acting on a rail.
the brake block is fixed on a base plate which moves perpendicularly to the rail relative to the support element.
a lever pivots about a shaft positioned in the base plate opposite to the brake block and is moved from a release position into a braking position in which the rail is clamped between the free end of the lever and the brake block.
the present invention proposes an apparatus solving the aforementioned drawbacks present in the state of the art.
the invention describes a double-effect emergency braking apparatus for elevator cars having:
the invention relates to a braking apparatus as a down-direction safety gear and as rising overspeed, carrying out both functions in a single apparatus.
the force elastic device is provided by spring washers 121 forming a pressure spring assembly.
the braking and horizontal translation forces, as well as the clearances of operation at rest, are absorbed by four movement screws 130 sliding on slit boreholes made on the stringers of the stirrup.
the safety gear assembly comprises two grips according to figures 1 and 2 acting on the two side rails 200 of the elevator pressing the wedges 110 and the shoes 120 on the rails 200, which by friction or pulling the material of the rails 200 provide a braking force causing the stop of the elevator with a defined deceleration.
the cams 111 are actuated in unison in an emergency situation by means of the actuation screw 140 of each cam 111 connected to the lever assembly carrying he stirrup of the elevator.
the safety gear an assembly of the two grips, behaves in the manner described below; the operation in a down-direction safety gear mode will be explained since the rising speed braking actuation mode is the same, simply reversing the direction of the movement.
the action of the emergency speed limiter for surpassing the considered speed causes the cams 111 to remain in a fixed position, motivated by the propping of the cable of the limiter acting on the levers of the stirrup.
the grips continue moving in a vertical direction.
the shaft of the cam 111 moves in the vertical direction, this movement causing the rotation of the cam 111, said cam 111 being propped by means of the wedge 110 on the rail 200; this causes a movement of the support 100 in a direction horizontal and transverse to the rail 200, until the clearances existing between the shoe 120, the wedge 110 and the rail 200 are absorbed.
the spring washers 121 are compressed providing at each side of the rail by an action-reaction effect the force needed to press the wedge 110 and the shoe 120 against the rail 200, driving into the grooves that both of them have.
the friction necessary to brake and reach wedging is obtained by pulling out the material from the grooves 1210 on the friction surface of the rails 200.
the dewedging operation of the down-direction safety gear is carried out in the opposite direction to wedging.
the elevator installation machine pulls the stirrup, dragging the grip which, although it is pressed by the shoe 120 and the wedge 110, causes a cam effect in the opposite direction favorable for dewedging; in this way the braking apparatus is managed to be moved to its rest position.

Landscapes

Engineering & Computer Science (AREA)
Mechanical Engineering (AREA)
Braking Arrangements (AREA)
Maintenance And Inspection Apparatuses For Elevators (AREA)
Cage And Drive Apparatuses For Elevators (AREA)

EP06380263.1A 2005-10-14 2006-10-09 Dispositif freinant de secours double-effet pour cabine d'ascenseurs Not-in-force EP1783087B1 (fr)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
ES200502509A ES2284356B1 (es)	2005-10-14	2005-10-14	Aparato de frenado de emergencia de doble efecto para cabinas de ascensores.

Publications (3)

Publication Number	Publication Date
EP1783087A2 true EP1783087A2 (fr)	2007-05-09
EP1783087A3 EP1783087A3 (fr)	2012-04-04
EP1783087B1 EP1783087B1 (fr)	2013-05-08

Family

ID=37840630

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
EP06380263.1A Not-in-force EP1783087B1 (fr)	2005-10-14	2006-10-09	Dispositif freinant de secours double-effet pour cabine d'ascenseurs

Country Status (3)

Country	Link
EP (1)	EP1783087B1 (fr)
ES (2)	ES2284356B1 (fr)
PT (1)	PT1783087E (fr)

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
EP2112116A1 (fr)	2007-02-15	2009-10-28	Mitsubishi Electric Corporation	Dispositif de sécurité pour ascenseur
CN101808926A (zh) *	2007-09-28	2010-08-18	三菱电机株式会社	电梯的安全装置
CN104812689A (zh) *	2012-11-27	2015-07-29	因温特奥股份公司	用于电梯系统的行进体的安全制动装置
EP3286123B1 (fr)	2015-04-21	2020-04-08	thyssenkrupp Stairlifts B.V.	Monte-escalier
CN111776914A (zh) *	2020-07-20	2020-10-16	台州学院	曲杆式防失效电梯安全钳及电梯
CN111824883A (zh) *	2019-04-15	2020-10-27	杭州沪宁电梯部件股份有限公司	一种基于电梯轿厢的诊断维保系统
CN115092789A (zh) *	2022-08-25	2022-09-23	河南起升智能科技有限公司	防意外移动装置、防意外移动组件和电梯

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
EA030810B1 (ru) *	2016-06-29	2018-09-28	Открытое Акционерное Общество "Могилевский Завод Лифтового Машиностроения" (Оао "Могилевлифтмаш")	Ловитель кабины лифта двустороннего действия

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE29619729U1 (de) *	1996-11-13	1998-03-19	C. Haushahn Gmbh & Co, 70469 Stuttgart	Fangvorrichtung
ES2186951T3 (es) *	1997-08-21	2003-05-16	Aufzugstechnologie Schlosser G	Paracaidas de freno.
ATE280730T1 (de) *	2001-08-07	2004-11-15	Cobianchi Liftteile Ag	Bremsfangvorrichtung, insbesondere für aufzugskabinen
CN2704573Y (zh) *	2003-09-11	2005-06-15	刘文久	渐进式双向安全钳

2005
- 2005-10-14 ES ES200502509A patent/ES2284356B1/es not_active Expired - Fee Related
2006
- 2006-10-09 ES ES06380263T patent/ES2424747T3/es active Active
- 2006-10-09 EP EP06380263.1A patent/EP1783087B1/fr not_active Not-in-force
- 2006-10-09 PT PT63802631T patent/PT1783087E/pt unknown

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
EP2112116A1 (fr)	2007-02-15	2009-10-28	Mitsubishi Electric Corporation	Dispositif de sécurité pour ascenseur
CN101808926A (zh) *	2007-09-28	2010-08-18	三菱电机株式会社	电梯的安全装置
CN101808926B (zh) *	2007-09-28	2013-06-05	三菱电机株式会社	电梯的安全装置
CN104812689A (zh) *	2012-11-27	2015-07-29	因温特奥股份公司	用于电梯系统的行进体的安全制动装置
JP2015535518A (ja) *	2012-11-27	2015-12-14	インベンテイオ・アクテイエンゲゼルシヤフトＩｎｖｅｎｔｉｏＡｋｔｉｅｎｇｅｓｅｌｌｓｃｈａｆｔ	エレベータシステムの移動体のための安全止め具
EP3286123B1 (fr)	2015-04-21	2020-04-08	thyssenkrupp Stairlifts B.V.	Monte-escalier
CN111824883A (zh) *	2019-04-15	2020-10-27	杭州沪宁电梯部件股份有限公司	一种基于电梯轿厢的诊断维保系统
CN111776914A (zh) *	2020-07-20	2020-10-16	台州学院	曲杆式防失效电梯安全钳及电梯
CN111776914B (zh) *	2020-07-20	2024-05-24	台州学院	曲杆式防失效电梯安全钳及电梯
CN115092789A (zh) *	2022-08-25	2022-09-23	河南起升智能科技有限公司	防意外移动装置、防意外移动组件和电梯

Also Published As

Publication number	Publication date
ES2284356B1 (es)	2008-09-16
ES2284356A1 (es)	2007-11-01
EP1783087B1 (fr)	2013-05-08
ES2424747T3 (es)	2013-10-08
EP1783087A3 (fr)	2012-04-04
PT1783087E (pt)	2013-07-05

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Publication	Publication Date	Title
EP0841280B1 (fr)	2003-01-02	Mécanisme de sécurité
CN1187252C (zh)	2005-02-02	电梯的制动装置
FI98295C (fi)	1997-05-26	Tarraaja
FI85129C (fi)	1992-03-10	Faongapparat.
JP4927294B2 (ja)	2012-05-09	エレベータのための適合可能な制動力を備えたブレーキ拘束装置
US6758310B2 (en)	2004-07-06	Safety brake and method for unlocking a safety brake
US5007505A (en)	1991-04-16	Elevator traction sheave brake
CN104781175B (zh)	2016-09-14	具有安全制动器的电梯
EP2516308B1 (fr)	2019-06-12	Dispositif de freinage d'ascenseur
GB2136773A (en)	1984-09-26	Elevator safety device
KR102079432B1 (ko)	2020-02-19	엘리베이터 안전 클램핑 조오
EP1783087B1 (fr)	2013-05-08	Dispositif freinant de secours double-effet pour cabine d'ascenseurs
EP0841281B1 (fr)	2002-09-25	Mécanisme glissant de sécurité
FI73652C (fi)	1987-11-09	Bromsanordning foer hiss.
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JPH0438673B2 (fr)	1992-06-25
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KR200403531Y1 (ko)	2005-12-09	엘리베이터용 양방향 로프 브레이크
WO2021091431A1 (fr)	2021-05-14	Dispositif d'arrêt