EP0968954B1 - Dispositif parachute notamment pour cabines d'ascenseur - Google Patents

Dispositif parachute notamment pour cabines d'ascenseur Download PDF

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Publication number
EP0968954B1
EP0968954B1 EP98810624A EP98810624A EP0968954B1 EP 0968954 B1 EP0968954 B1 EP 0968954B1 EP 98810624 A EP98810624 A EP 98810624A EP 98810624 A EP98810624 A EP 98810624A EP 0968954 B1 EP0968954 B1 EP 0968954B1
Authority
EP
European Patent Office
Prior art keywords
brake device
brake shoe
safety brake
housing
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.)
Expired - Lifetime
Application number
EP98810624A
Other languages
German (de)
English (en)
Other versions
EP0968954A1 (fr
Inventor
Ervin Perroud
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.)
COBIANCHI LIFTTEILE AG
Original Assignee
COBIANCHI LIFTTEILE 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 COBIANCHI LIFTTEILE AG filed Critical COBIANCHI LIFTTEILE AG
Priority to EP98810624A priority Critical patent/EP0968954B1/fr
Priority to ES98810624T priority patent/ES2198678T3/es
Priority to AT98810624T priority patent/ATE239663T1/de
Priority to DE59808283T priority patent/DE59808283D1/de
Priority to PCT/CH1999/000280 priority patent/WO2000001604A1/fr
Priority to AU43564/99A priority patent/AU4356499A/en
Publication of EP0968954A1 publication Critical patent/EP0968954A1/fr
Application granted granted Critical
Publication of EP0968954B1 publication Critical patent/EP0968954B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B66HOISTING; LIFTING; HAULING
    • B66BELEVATORS; ESCALATORS OR MOVING WALKWAYS
    • B66B5/00Applications of checking, fault-correcting, or safety devices in elevators
    • B66B5/02Applications of checking, fault-correcting, or safety devices in elevators responsive to abnormal operating conditions
    • B66B5/16Braking or catch devices operating between cars, cages, or skips and fixed guide elements or surfaces in hoistway or well
    • B66B5/18Braking or catch devices operating between cars, cages, or skips and fixed guide elements or surfaces in hoistway or well and applying frictional retarding forces
    • B66B5/22Braking 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 linearly-movable wedges

Definitions

  • the present invention relates to a brake safety device, in particular for elevator cars, with one that can be loaded with at least one spring assembly first brake shoe to interact with a rail and at least one wedge-shaped, slidable between the rail and a housing stored second and / or third brake shoe with at least one in one Opening of the second and / or third brake shoe mounted rolling elements.
  • the first one is fixed vertically Brake shoe formed in two parts, the facing surfaces of the two parts form an inclined plane.
  • This version is complex to manufacture and associated with relatively high costs. Furthermore, the lower and upper wedge-shaped brake shoes not set independently become. It is an object of the present invention to provide a brake safety device to create especially for elevator cars, which the Does not have disadvantages of the prior art. This is according to the invention achieved in that between at least one surface inclined to the vertical of the housing and the at least second and / or third wedge-shaped Brake shoe at least one slidably arranged resilient by a spring member Plate is provided.
  • the brake safety catch is easy to release from the catch.
  • the Roll plates have the same function as the inclined plane of the first vertical brake shoe.
  • the second lower and the third upper wedge-shaped brake shoes have the same design, which makes their manufacture easier.
  • the lower wedge-shaped can be placed under the one plate Brake shoe and the upper wedge-shaped brake shoe set differently become.
  • the performance remains the same as the subject of the above published PCT application.
  • the construction is simpler and less susceptible to interference.
  • One of the wedge-shaped brake shoes is made by adjusting the spring assembly the first vertically fixed brake shoe, the other wedge-shaped Brake shoe with spacer plate between the L-shaped roller plate and the housing.
  • Fig. 1 shows a front view of the brake safety device 1.
  • This comprises two holding plates 2 and 3 and two horizontally arranged in between Bars 4 and 5.
  • Bars 4 and 5 are at the top with screws 6, 7, 8 and 9 attached to the holding plates 2 and 3.
  • the rod 5 is still with one Provide spring 10.
  • the rods 4 and 5 consider the housing 11 as a first, in the vertical fixed brake shoe 12, a second lower wedge-shaped brake shoe 13 and a third upper wedge-shaped brake shoe 14.
  • the first brake shoe 12 is loaded by two spring assemblies 16 and 17 guided by bolts 15.
  • the fixed brake shoe 12 presses on the rail 18 in the catching position.
  • Above the housing 11 in the area of the lower and upper wedge-shaped brake shoes 13 and 14, a guide plate 19 is arranged above the housing 11 in the area of the lower and upper wedge-shaped brake shoes 13 and 14, a guide plate 19 is arranged.
  • FIG. 2 shows a view from above according to arrow A in FIG. 1.
  • a tab 27 bent by the lever 23 can also be seen.
  • the square-shaped axis of rotation 28 connected to the lever 23 is on the Cabin stored and connects the two catch heads to synchronize the release to design.
  • Fig. 3 shows a front view, partly in section, of the brake safety device.
  • the lower and upper wedge-shaped brake shoes 13 and 14 are located yourself at rest.
  • the two brake shoes 13 and 14 are on their narrow end connected by a rod 29.
  • rolling elements 30 and 31 are arranged.
  • the rolling elements can be cylindrical or spherical. During training as a cylindrical roll it can be smooth, knurled, milled or flanged his.
  • the central openings 32 and 33 in the rolling elements 30 and 31 are slightly larger than the bolts 34 and 35 around which the rolling elements are rotate.
  • the holes 36 and 37 in the lower wedge-shaped brake shoe and the holes 38 and 39 in the upper wedge-shaped brake shoe serve for slidably attaching the brake shoes 13 and 14 in the slots 20 and 21 of the guide plate 19.
  • the bore 40 at the top of the upper wedge-shaped and the bore 74 at the bottom of the lower wedge-shaped brake shoe serve for Attach the trigger mechanism 23, 27, depending on whether the installation of the Safety gear at the top or bottom of the cabin.
  • the lower and upper wedge-shaped brake shoe 13 and 14 facing, angled Parts 41 and 42 of the housing are L-shaped cast or milled Roll plates 43 and 44 created.
  • the roller plates slide on the angled ones Parts 41 and 42 of the housing.
  • the roller plates point to them facing ends each have a recess 45 and 46.
  • Two with compression springs 47 and 48 provided screws 49 and 50 are in bores 51 and 52 of the short Legs 53 and 54 of the roller plates 43 and 44 and in holes 55 and 56 used in the housing 11.
  • the compression springs 47, 48 are concentric with the Screws 49, 50 arranged. Close the short legs 53 and 54 long legs 72 and 73.
  • the first brake shoe 12 and the lower one and the upper wedge-shaped brake shoe 13 and 14 are facing the rail 18 Side with transverse grooves 57, 58 and 59. With a screw 60 the first brake shoe 12 and the housing 11 are held together. in the furthermore, this screw causes a small preload of the plate springs 16 and 17. From this figure, the second pin 61 is the fixed one Brake shoe visible.
  • roller plates 43 and 44 have the same function as the inclined plane of the first brake shoe according to the published PCT application PCT / CH97 / 00075.
  • the washers 62, 63 are the pressure of the plate spring assemblies 16, 17 on the brake shoe 12 or on the downward braking wedge 13 or the wedge 14 braking upwards.
  • One of the roller plates 43, 44 is something thinner than the other roller plate 43.
  • the Housing 11 is built symmetrically, which allows for left and right, above or to use only one housing version at the bottom of the lift cabin, whereby the variety of warehousing is halved.
  • the angle of the roller plates 43 and 44, the oblique sides 64 and 65 of the lower and upper wedge-shaped Brake shoe 13 and 14 and the angled parts 41 and 42 of the housing 11 have an angle with respect to the rail of about 5 to 8 °. at too small an angle results in a hard loosening from the catch; at a too large an angle is not braked when pulling in.
  • the lower wedge-shaped brake shoe is in engagement Condition after the upper, not shown in this figure wedge-shaped brake shoe 14 was raised by the release lever 23.
  • the roller 30 of the lower wedge-shaped brake shoe rolls between the lower roller plate 43 and the rail 18 upper brake shoe 14, i.e. when braking upwards, the roller 31 rolls between the upper roller plate 44 and the rail 18.
  • Fig. 5 the safety gear is in the braking position against shown below.
  • the roller 30 has receded somewhat into the recess 45 and the lower brake shoe 13 is between the lower roller plate 43 and the Rail 18 wedged.
  • the safety gear connected to the lift cabin the lift cabin stops in this position.
  • the first brake shoe 12 and the lower one wedge-shaped brake shoe 13 lie with its between the transverse grooves 57 and 58 parts located firmly on the rail 18.
  • the upper wedge-shaped Brake shoe 14 is not shown in this figure.
  • the brake safety device is in the disengaged position located.
  • the lower wedge-shaped brake shoe 13 slides with the lower one Roller plate 43 down, the compression spring 47 is compressed.
  • the compression springs 47 arranged concentrically with the screws 49 and 50 and 48 cause the roller plates 43, 44 to release after being released from the catch go back to the basic position.
  • Fig. 7 is a longitudinal section through the housing 11 of the brake safety device shown.
  • the housing is symmetrical to the central plane B and can therefore be used on the left and right, top or bottom of the lift cabin become.
  • the bores 66 and 67 serve to receive the bolts 15 and 61.
  • the recesses 68 and 69 serve to receive the adjusting washers 62 and 63.
  • the recess 70 serves to receive the screw 60.

Claims (11)

  1. Parachute à freinage (1) en particulier pour cabines d'ascenseur comprenant une première mâchoire de frein (12), subissant l'impact d'au moins un paquet de ressort (16, 17) pour coopérer avec une glissière (18), et au moins une seconde et/ou troisième mâchoire de frein (13, 14) cunéiforme, logées coulissantes entre la glissière (18) et un carter (11) et comprenant au moins un corps à roulement (30, 31) logé dans une ouverture de la seconde ou de la troisième mâchoire de frein (13, 14), caractérisé en ce qu'il est prévu entre au moins une surface inclinée par rapport à la verticale (41, 42) du carter (11) et au moins la seconde et/ou la troisième mâchoire de frein cunéiforme (13, 14), au moins une plaque (43, 44) disposée coulissante et chargée par un organe de ressort (47, 48).
  2. Parachute à freinage selon la revendication 1, caractérisé en ce que la plaque (43, 44) est réalisée coudée en forme de L.
  3. Parachute à freinage selon la revendication 2, caractérisé en ce que le côté court (53, 54) de la plaque (43, 44) est muni d'un alésage pour le logement d'une vis (49, 50).
  4. Parachute à freinage selon l'une des revendications précédentes, caractérisé en ce que l'organe ressort (47, 48) est réalisé comme une vis de pression (47, 48).
  5. Parachute à freinage selon la revendication 3, caractérisé en ce que l'organe ressort (47, 48) est disposé concentrique par rapport à la vis (49, 50).
  6. Parachute à freinage selon l'une des revendications précédentes, caractérisé en ce que le côté le plus long (72, 73) de la plaque (43, 44) présente, à son extrémité, une forme effilée en pointe.
  7. Parachute à freinage selon l'une des revendications précédentes, caractérisé en ce qu'il est prévu une mâchoire de freinage inférieure (13) et supérieure (14) cunéiforme, les deux mâchoires de frein étant reliées entre elles par un organe de liaison (29).
  8. Parachute à freinage selon l'une des revendications précédentes, caractérisé en ce que des éléments rondelles (71) sont prévus entre le côté le plus long (72, 73) d'au moins une des plaques (43, 44) et la surface inclinée (41, 42) du carter (11).
  9. Parachute à freinage selon l'une des revendications précédentes, caractérisé en ce que les première, seconde, et/ou troisième mâchoires de freinage (11, 13, 14) sont munies de rainures transversales (57, 58, 59).
  10. Parachute à freinage selon l'une des revendications précédentes, caractérisé en ce que l'angle des côtés les plus longs (72, 73) des plaques (42, 43) est compris entre 5° et 8° par rapport à la verticale.
  11. Parachute à freinage selon l'une des revendications précédentes, caractérisé en ce que le carter (11) est disposé de manière symétrique à un plan horizontal (B).
EP98810624A 1998-07-03 1998-07-03 Dispositif parachute notamment pour cabines d'ascenseur Expired - Lifetime EP0968954B1 (fr)

Priority Applications (6)

Application Number Priority Date Filing Date Title
EP98810624A EP0968954B1 (fr) 1998-07-03 1998-07-03 Dispositif parachute notamment pour cabines d'ascenseur
ES98810624T ES2198678T3 (es) 1998-07-03 1998-07-03 Dispositivo de freno de seguridad, especialmente para cabinas de ascensor.
AT98810624T ATE239663T1 (de) 1998-07-03 1998-07-03 Bremsfangvorrichtung, insbesondere für aufzugskabinen
DE59808283T DE59808283D1 (de) 1998-07-03 1998-07-03 Bremsfangvorrichtung, insbesondere für Aufzugskabinen
PCT/CH1999/000280 WO2000001604A1 (fr) 1998-07-03 1999-06-29 Systeme de retenue et de freinage, notamment pour des cabines d'ascenseur
AU43564/99A AU4356499A (en) 1998-07-03 1999-06-29 Safety catch and brake stop, especially for elevator cars

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP98810624A EP0968954B1 (fr) 1998-07-03 1998-07-03 Dispositif parachute notamment pour cabines d'ascenseur

Publications (2)

Publication Number Publication Date
EP0968954A1 EP0968954A1 (fr) 2000-01-05
EP0968954B1 true EP0968954B1 (fr) 2003-05-07

Family

ID=8236176

Family Applications (1)

Application Number Title Priority Date Filing Date
EP98810624A Expired - Lifetime EP0968954B1 (fr) 1998-07-03 1998-07-03 Dispositif parachute notamment pour cabines d'ascenseur

Country Status (6)

Country Link
EP (1) EP0968954B1 (fr)
AT (1) ATE239663T1 (fr)
AU (1) AU4356499A (fr)
DE (1) DE59808283D1 (fr)
ES (1) ES2198678T3 (fr)
WO (1) WO2000001604A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10544009B2 (en) 2016-02-23 2020-01-28 Otis Elevator Company Elevator service panel

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6981575B2 (en) 1999-09-27 2006-01-03 Otis Elevator Company Concrete rail safety device for an elevator car
FR2816300B1 (fr) * 2000-11-09 2003-02-28 Otis Elevator Co Dispositif de securite d'une cabine d'ascenseur avec rails non metalliques
CN1313346C (zh) * 2001-06-29 2007-05-02 三菱电机株式会社 电梯紧急制动装置
FR2852587A1 (fr) 2003-03-20 2004-09-24 Thyssenkrupp Elevator Mfg F Dispositif de deblocage d'un parachute pour cabine d'ascenseur, ainsi que le parachute ainsi equipe
ES2305913T3 (es) * 2004-01-22 2008-11-01 Inventio Ag Dispositivo de seguridad para un ascensor.
JP4893628B2 (ja) * 2006-03-08 2012-03-07 三菱電機株式会社 エレベータの非常止め装置
ES2319706B1 (es) * 2006-06-07 2009-12-09 Thyssenkrupp Elevator Manufacturing Spain, S.L. Aparato de frenado de emergencia de doble efecto para cabinas de ascensores.
ATE487674T1 (de) 2007-01-08 2010-11-15 Thyssenkrupp Elevator Mfg Spai Flotationsvorrichtung zur korrekten festklemmung einer lebensschutzvorrichtung
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
CN107466287B (zh) 2015-04-10 2020-11-03 奥的斯电梯公司 电梯安全钳导引组合件和方法
ES2765704T3 (es) * 2015-09-23 2020-06-10 Inventio Ag Dispositivo de retención deslizante para una instalación de ascensor
CN105819302B (zh) * 2016-05-31 2018-06-29 石家庄五龙制动器股份有限公司 夹绳器
KR20220074900A (ko) * 2019-10-07 2022-06-03 다이나텍, 다이나믹스 앤드 테크놀러지, 에스. 엘. 승강기 안전 장치의 작동을 위한 가요성 전달부에 의한 전기 기계적 구동 장치

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3762512A (en) * 1971-10-29 1973-10-02 Us Elevator Corp Elevator rail grab safety apparatus
AU1763697A (en) * 1996-03-01 1997-09-16 Cobianchi Liftteile Ag Safety catch and brake block, in particular for lift cars

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10544009B2 (en) 2016-02-23 2020-01-28 Otis Elevator Company Elevator service panel

Also Published As

Publication number Publication date
DE59808283D1 (de) 2003-06-12
EP0968954A1 (fr) 2000-01-05
WO2000001604A1 (fr) 2000-01-13
ES2198678T3 (es) 2004-02-01
ATE239663T1 (de) 2003-05-15
AU4356499A (en) 2000-01-24

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