EP0905079B1 - Dispositif de freinage - Google Patents
Dispositif de freinage Download PDFInfo
- Publication number
- EP0905079B1 EP0905079B1 EP98117541A EP98117541A EP0905079B1 EP 0905079 B1 EP0905079 B1 EP 0905079B1 EP 98117541 A EP98117541 A EP 98117541A EP 98117541 A EP98117541 A EP 98117541A EP 0905079 B1 EP0905079 B1 EP 0905079B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- brake device
- rocker
- arresting
- brake
- travel
- 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
Links
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
-
- 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
Definitions
- Different braking forces here means the braking force and thus the deceleration in the event of an emergency stop in the upright position for physical and human reasons Compatibility in the up direction should be significantly smaller than in the down direction.
- a technical article in LIFTREPORT (Issue 5/91, page 38) describes one in both directions with different braking force acting safety brake BFx3.
- One over cable and Rope wrap trigger device is with one Eccentric disc on each side of the cabin.
- the Eccentric discs have two flats, which as Act and the rotary movement when triggered to stop.
- the two Eccentric discs depending on the direction of travel, clockwise or Turned counterclockwise up to these stop surfaces.
- the with the rotation increases the radius of the eccentric discs an opposite compression spring together, with which the Braking effect occurs.
- the angle of rotation is smaller than in the downward direction and this is how, as desired, the Braking effect and thus the deceleration in the upward direction smaller.
- the ratio of the two braking effects in the Aufund the downward direction to each other is through the given geometric dimensions of the eccentric discs and can cannot be changed afterwards.
- the braking force is only general adjustable. Due to the rolling path of the eccentric discs there is a relatively long reaction path up to the full one Braking effect.
- the invention is characterized inter alia by characterized in that as braking force generating element at least one up and down tiltable seesaw is available for catching in up or down Downward driving direction different braking forces generated. A short reaction path up to is also advantageous full braking effect.
- the design with only one existing Brake shoes and actuators for both directions of travel is structurally simple and inexpensive to manufacture.
- the braking force in the up and down directions is uneven generating device is as a spring-supported two-point bearing designed for the rocker that can be tilted up and down.
- the spring-supported point or swivel bearings are counter Spring-loaded articulated cups formed with defined standby position.
- the rocker points in the standby position of the Brake safety device, joint balls resting in joint sockets on.
- the brake shoes are in the standby position by one Retention spring pressed against the stops that after the Brake safety device also serve as stops for the rockers.
- the seesaw is engaged by one that engages in the seesaw Driver pin actuated, which with any Tripping device is connected.
- the brake shoe is articulated to the rocker.
- the rocker can be tilted over the dead center, which provides greater security against the automatic Falling back results.
- the tilted rocker has a stop defined End position.
- the brake safety device can have one or two rockers.
- a brake device with a rocker has a fixed and a movable brake shoe.
- a second rocker can be supported on fixed abutments.
- the trigger device can be used as a simple lever mechanism Diagonal bracket and rope coupling to be formed.
- a fulcrum of the lever mechanism is with a release shaft for the triggering of the parallel safety gear on the coupled on the other side of the cabin.
- the brake safety device shown in Figure 1 consists in essentially from a cross-movable, in a not shown cabin support structure mounted, base plate 8, on which a stop block 23 on the left and a right Spring block 22 is arranged. Furthermore, to the left of one Guide rail 7 between a brake shoe 14.1 with a brake pad 15.1 and the stop block 23 a triangular in the basic form Rocker 1.1 available.
- the rocker 1.1 has a lower and upper Joint ball 2.1 / 2.2, each in one in the stop block 23 worked out upper and lower fixed socket 12.1 / 12.2 rest. At the top of the rocker 1.1, this is by means of an articulated bearing 3.1 operatively connected to the brake shoe 14.1.
- the joint balls 2.1 / 2.2 and the spherical bearing 3.1 form the Corner points of an approximately isosceles triangle.
- the practical executed outer shape of the seesaw is not to the shown form bound and can be used within wide limits vary as long as their intended function is guaranteed.
- the rocker In the standby position shown, the rocker is 1.1 by means of one in the stop block 23 and on the rocker 1.1 attached retaining spring 5.1 held.
- the brake shoe 14.1 is in this position on the back and one on top Double stop 13.1 / 13.2 loosely on so that during normal Lift operation no contact with the guide rail 7 takes place.
- An approximately on the median of the Rocker triangle existing slot 20.1 serves the actuating Engagement of, for example, a round bolt, Driver 4.1.
- the driver 4.1 is located on a Release lever 19, which is part of a T-shaped release rod 18th forms, the latter above and below with a governor rope 16 is coupled.
- the Movable joint pans 6.1 / 6.2 rest in a defined position Thrust washers 9, which are in the standby position Brake safety device from an upper and lower compression spring 10.1 / 10.2 are pressed against an inner stop.
- the upper Compression spring 10.1 is in an upper spring chamber 17.1 and lower compression spring 10.2 in a lower spring chamber 17.2 built-in.
- the upper compression spring 10.1 is by means of an upper one Adjusting screw 11.1 variable via the second thrust washer 9 prestressed.
- the lower compression spring 10.2 is independent of the upper, by means of a lower adjusting screw 11.2 over the second thrust washer 9 variably biased.
- the brake safety device according to the invention is shown in FIG engaged position with a brake catch in the up-driving direction shown.
- the same functional sequences are used here with a brake catch in the down-driving direction, but with Tilting movements of the rockers 1.1 / 1.2 down.
- the prestressed lower compression spring 10.2 compressed by the amount X.
- the lower spring 10.2 with a possibly weaker dimension the set screw 11.2 less biased what accordingly results in smaller delay values.
- FIG. 4 shows a variant for the triggering device shown in the form of a lever mechanism 28.
- the first Angle lever 25 is rotatable about a pivot point 25.3 and carries the driver at the end of its horizontal leg 25.1 4.2.
- the vertical leg 25.2 is with its upper end hingedly connected to a connecting strap 27 which in turn with its other end with the lower end of the vertical leg 24.2 of the second angle lever 24 also is articulated.
- the second angle lever 24 is rotatable about a pivot point 24.3 and carries at its end of the left horizontal leg 24.1 the driver 4.1.
- the horizontal leg 24.1 of the second angle lever 24 has also as a connection to a limiter rope 16 Rope clutch 26 on.
- the inconsistent rotational movements of the both levers 24/25 in the event of a brake release cause one synchronous up or down movement of the two drivers 4.1 and 4.2 and a correspondingly common tilting in the same Direction of the two rockers 1.1 and 1.2.
- the fulcrum 24.3 is advantageous at the end of a connecting shaft, not shown arranged which, when triggered, the second in parallel working safety gear on the other side of the Cabin operated.
- Geometric dimensions of the rocker 1 can this loss of path partially or fully compensated. This can for example, by an increased distance between the Joint balls 2.1 and 2.2 and the movable joint socket 6.1 and 6.2, and possibly a slightly different height of the triangle can be achieved.
- the function of the simplified safety gear applies Initial friction of the movable brake shoe 14/15 the guide rail 7, because with a larger base distance in Triangle also generate a larger vertical tilting force got to.
- the simplified trigger bar is used as the trigger device 21 or the angle lever 24 applicable.
- Safety gear are simplified and schematic shown. They are primarily intended to be the solution principle and the functions in an easily understandable and descriptive way show. The practical execution can do more in detail or differ less from the depictions shown. For example, for the rockers 1 / 1.1 / 1.2 additional possibly inevitable guide elements provided. Further the practical version will have separate stops for the Brake shoes 14/15 when the Have safety gear, which the relatively high absorb vertical deceleration forces when braking. Thereby the spherical bearings 3 / 3.1 / 3.2 only the horizontal Take up pressure forces.
- a compression spring 10.1 / 10.2 can be any permanently elastic Element with a suitable characteristic curve can be used.
- Set screws 11.1 / 11.2 are mechanical or others Fuses are provided, which automatically adjust the Prevent set screws 10.1 / 10.2 reliably.
- Retaining spring for the rockers 1 / 1.1 / 1.2 can replace them a spreading compression spring between the rockers 1 / 1.1 / 1.2 be provided. Points of attack for such a compression spring would be, for example, laterally led out bearing bolts Spherical bearing 3 / 3.1 / 3.2 suitable.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Braking Arrangements (AREA)
- Maintenance And Inspection Apparatuses For Elevators (AREA)
- Lock And Its Accessories (AREA)
- Pens And Brushes (AREA)
- Gear Transmission (AREA)
Claims (7)
- Dispositif de freinage comportant un dispositif de déclenchement (16, 18, 4.2 ; 21, 4) pour une cabine d'ascenseur guidée sur des rails de guidage (7), lequel dispositif de freinage peut arrêter la cabine d'ascenseur dans les sens ascendant et descendant lorsque le dispositif de déclenchement est actionné par l'application d'un élément de freinage (14.1/2, 15.1/2 ; 14, 15) contre un rail de guidage (7), le mouvement de pression de l'élément de freinage et la force de pression nécessaire étant produits grâce au fait qu'au moins une bascule (1.1, 1.2 ; 1) conçue comme un corps de blocage et en appui de manière basculante par rapport à un corps de base (8, 22, 23 ; 29) du dispositif de freinage bascule à partir de sa position de repos jusqu'à une position d'arrêt, parmi deux positions possibles, en fonction du sens de marche, grâce à l'action du dispositif de déclenchement et à la friction consécutive de l'élément de freinage contre le rail de guidage, l'élément de freinage étant pressé contre le rail de guidage à la suite de ce mouvement de basculement, et la force de pression qui apparaít étant définie par au moins un élément élastique (6.1/2, 10.1/2) qui est disposé à l'intérieur du flux de force de pression et qui peut être adapté à la force de pression nécessaire,
caractérisé en ce que la bascule (1.1, 1.2 ; 1) comporte trois points d'articulation (2.1/2, 3) qui correspondent aux sommets d'un triangle à peu près isocèle, étant précisé que le point d'articulation situé à la pointe (3) du triangle est relié à un élément de freinage en forme de mâchoire de frein (14.1/2, 15.1/2 ; 14, 15), que les points d'articulation prévus sur la base du triangle (2.1/2) forment des articulations de basculement qui, en cas d'arrêt, s'appuient l'une ou l'autre, en fonction du sens de marche, contre le corps de base (8, 22) par l'intermédiaire d'un élément élastique associé (6.1/2, 10.1/2), et que les forces d'appui de ces éléments élastiques et, ainsi, les forces de pression de la mâchoire de frein sont réglables indépendamment l'une de l'autre pour chaque sens de marche. - Dispositif de freinage selon la revendication 1, caractérisé en ce que les dispositifs pour régler la force de freinage pour le sens ascendant et le sens descendant, respectivement, comportent chacun un disque de pression (9), un ressort de compression (10.1, 10.2) et une vis de réglage (11.1, 11.2).
- Dispositif de freinage selon la revendication 1, caractérisé en ce que les points d'articulation de la bascule (1, 1.1/2) sont formés grâce à des rotules (2.1/2) et à des cavités articulaires mobiles (6.1/2) et fixes (12.1/2).
- Dispositif de freinage selon l'une des revendications précédentes, caractérisé en ce que pour limiter le mouvement de basculement de la bascule (1, 1.1/2), on prévoit des butées (13.1/2) qui permettent à la bascule (1, 1.1/2) de basculer jusque devant son point mort ou au-delà de celui-ci, suivant la disposition des butées (13.1/2).
- Dispositif de freinage selon la revendication 1, caractérisé en ce que le dispositif de déclenchement comporte une barre de déclenchement (18, 21), un levier de déclenchement (19) et au moins un organe d'entraínement (4, 4.1/2).
- Dispositif de freinage selon la revendication 1, caractérisé en ce que le dispositif de déclenchement se compose d'un mécanisme de leviers (28) avec des leviers coudés (24, 25) reliés par une barre de liaison (27), et en ce qu'un centre de rotation (24.3 ou 25.3) est accouplé par l'intermédiaire d'un arbre de liaison à un second dispositif de freinage parallèle.
- Dispositif de freinage selon la revendication 1, caractérisé en ce que le dispositif de freinage comporte une bascule (1), une mâchoire de frein mobile (14, 15), une mâchoire de frein fixe (30, 31), une butée (29), un bloc élastique (22) et une barre de déclenchement (21).
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP97810711 | 1997-09-29 | ||
EP97810711 | 1997-09-29 |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0905079A1 EP0905079A1 (fr) | 1999-03-31 |
EP0905079B1 true EP0905079B1 (fr) | 2003-05-28 |
Family
ID=8230405
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP98117541A Expired - Lifetime EP0905079B1 (fr) | 1997-09-29 | 1998-09-16 | Dispositif de freinage |
Country Status (7)
Country | Link |
---|---|
US (1) | US6092630A (fr) |
EP (1) | EP0905079B1 (fr) |
JP (1) | JPH11157761A (fr) |
AT (1) | ATE241560T1 (fr) |
CA (1) | CA2248398A1 (fr) |
DE (1) | DE59808516D1 (fr) |
ES (1) | ES2201383T3 (fr) |
Families Citing this family (23)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2001089973A1 (fr) * | 2000-05-25 | 2001-11-29 | Inventio Ag | Dispositif de freinage pour un ascenseur |
ES2184615B1 (es) * | 2001-05-30 | 2004-10-01 | S.A. De Vera (Savera) | Paracaidas progresivo bidireccional para ascensor. |
US7374021B2 (en) * | 2002-10-09 | 2008-05-20 | Otis Elevator Company | Combined elevator guiding and safety braking device |
CN100457593C (zh) * | 2002-10-09 | 2009-02-04 | 奥蒂斯电梯公司 | 组合式提升机引导和安全制动装置及提升机系统 |
MY135853A (en) * | 2003-02-04 | 2008-07-31 | Inventio Ag | Safety device for an elevator |
GB2429113B (en) * | 2004-03-15 | 2009-06-24 | Fuji Electric Holdings Co | Driver and drive method for organic bistable electrical device and organic led display |
FR2882042B1 (fr) * | 2005-02-17 | 2008-10-17 | Dominique Rouzaud | Parachute bidirectionnel d'ascenseur ou similaire, et ascenseur muni d'un tel parachute |
KR100904840B1 (ko) * | 2005-03-25 | 2009-06-25 | 오티스 엘리베이터 컴파니 | 조합형 엘리베이터 안내 및 안전 제동 장치 |
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 |
EP1980519B1 (fr) * | 2006-02-01 | 2014-07-02 | Mitsubishi Electric Corporation | Dispositif de porte pour ascenseur |
KR100931430B1 (ko) * | 2006-03-20 | 2009-12-11 | 미쓰비시덴키 가부시키가이샤 | 엘리베이터 장치 |
KR100763830B1 (ko) | 2006-05-19 | 2007-10-23 | 윤재한 | 엘리베이터용 로프제동장치 |
IL186678A0 (en) * | 2006-11-16 | 2008-02-09 | Inventio Ag | Brake equipment, lift installation, a method for detecting a function of the brake equipment, and a modernisation set |
CN102791603B (zh) * | 2010-03-18 | 2015-12-16 | 因温特奥股份公司 | 具有制动器设备的升降机系统 |
US9663327B2 (en) * | 2011-03-22 | 2017-05-30 | Otis Elevator Company | Elevator braking system |
BR112014013484A8 (pt) * | 2011-12-09 | 2017-06-13 | Inventio Ag | manobra de um freio de segurança |
KR102113895B1 (ko) * | 2012-11-27 | 2020-05-22 | 인벤티오 아게 | 엘리베이터 시스템의 운행 보디용의 안전 장치 |
US11066274B2 (en) * | 2015-06-30 | 2021-07-20 | Otis Elevator Company | Electromagnetic safety trigger |
EP3328772B1 (fr) * | 2015-07-29 | 2020-05-06 | Otis Elevator Company | Bloc de sécurité pour ascenseur |
GB2544112B (en) * | 2015-11-09 | 2018-01-03 | Ford Global Tech Llc | Sliding door brake assembly |
US11242222B2 (en) * | 2018-10-26 | 2022-02-08 | Otis Elevator Company | Elevator braking device mechanism |
US11840425B2 (en) * | 2019-12-17 | 2023-12-12 | Inventio Ag | Safety brake for an elevator |
KR102340759B1 (ko) * | 2020-04-06 | 2021-12-17 | 주충호 | 작업용 리프트의 추락을 방지하는 제동장치 |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE857264C (de) * | 1941-04-21 | 1952-11-27 | Machinenfabriek Breda Voorheen | Fangvorrichtung fuer Aufzuege |
DE805782C (de) * | 1949-05-27 | 1951-05-31 | Gustav Hahn Dipl Ing | Bremsfangvorrichtung fuer Aufzuege |
DE2744986A1 (de) * | 1977-10-06 | 1979-04-12 | Wyhlen Ag Eisenbau | Fangbremse |
FI85129C (fi) * | 1989-12-14 | 1992-03-10 | Kone Oy | Faongapparat. |
EP0440839B2 (fr) * | 1990-02-06 | 1999-02-03 | Thyssen Aufzüge Gmbh | Dispositif pour empêcher des déplacements involontaires des ascenseurs |
US5495919A (en) * | 1994-04-25 | 1996-03-05 | Otis Elevator Company | Safety brake apparatus for an elevator car or counterweight |
EP0787676A1 (fr) * | 1996-01-31 | 1997-08-06 | Inventio Ag | Dispositif de sécurité |
-
1998
- 1998-09-16 AT AT98117541T patent/ATE241560T1/de not_active IP Right Cessation
- 1998-09-16 EP EP98117541A patent/EP0905079B1/fr not_active Expired - Lifetime
- 1998-09-16 ES ES98117541T patent/ES2201383T3/es not_active Expired - Lifetime
- 1998-09-16 DE DE59808516T patent/DE59808516D1/de not_active Expired - Fee Related
- 1998-09-23 US US09/159,309 patent/US6092630A/en not_active Expired - Fee Related
- 1998-09-24 JP JP10268861A patent/JPH11157761A/ja not_active Withdrawn
- 1998-09-28 CA CA002248398A patent/CA2248398A1/fr not_active Abandoned
Also Published As
Publication number | Publication date |
---|---|
ATE241560T1 (de) | 2003-06-15 |
US6092630A (en) | 2000-07-25 |
CA2248398A1 (fr) | 1999-03-29 |
JPH11157761A (ja) | 1999-06-15 |
DE59808516D1 (de) | 2003-07-03 |
EP0905079A1 (fr) | 1999-03-31 |
ES2201383T3 (es) | 2004-03-16 |
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