EP1088782B1 - Einrichtung zum Begrenzen der Fahrt einer Transportvorrichtung - Google Patents
Einrichtung zum Begrenzen der Fahrt einer Transportvorrichtung Download PDFInfo
- Publication number
- EP1088782B1 EP1088782B1 EP99115445A EP99115445A EP1088782B1 EP 1088782 B1 EP1088782 B1 EP 1088782B1 EP 99115445 A EP99115445 A EP 99115445A EP 99115445 A EP99115445 A EP 99115445A EP 1088782 B1 EP1088782 B1 EP 1088782B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- braking
- limiting wheel
- stop
- rotation
- wheel
- 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
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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
- B66B5/04—Applications of checking, fault-correcting, or safety devices in elevators responsive to abnormal operating conditions for detecting excessive speed
- B66B5/048—Testing of overspeed governor
Definitions
- the present invention relates to a device for Limiting the travel of a transport device, in particular an elevator, with one corresponding to the Transport speed driven limiting wheel, with at least one stop element that the governor at too high a rotation speed due to an acting Inertia stops, and with a device for remote-controlled triggering of a braking process regardless of the prevailing inertia.
- Such devices come in particular for lifts, in both passenger and freight lifts, as a so-called speed limiter for Commitment.
- speed limiters also with other transport devices, for example for storage and retrieval machines.
- a separate brake is applied to the elevator car
- Use speed limiter with a Safety gear interacts and ensures that independent from the elevator drive the car ride is stopped, provided a predetermined speed is exceeded.
- Such a speed limiter is, for example known from EP 0 121 711 B1.
- Stop element a two-armed lever in the form of a Rocker provided, one on one arm of the lever Roll is provided in the direction of a cam track is spring-loaded while on the other lever arm Projection is formed which in a catch hook of the Limiter wheel can intervene. If one is exceeded predeterminable speed of rotation becomes the one End of the rocker arranged due to the acting roller Inertia lifted off the cam track and here the projection arranged at the other end of the rocker pivoted towards the catch hook. The The lead then comes after a quarter turn at the latest of the limiting wheel against the corresponding one Catch hook so that the governor wheel is blocked.
- the Blockage of the governor wheel has in the usual way moving car result in a safety gear is triggered, which stops the car.
- the object of the present invention is a device of the type mentioned at the outset, that the governor wheel practically without any time Freewheel can be stopped.
- the device Brake device provided on the governor wheel acts.
- the governor wheel can be braked reliably without the stopping elements must be used. This allows the Use of the stopping elements resulting in freewheeling of the Limiter wheel can be prevented.
- the governor wheel can by means of the braking device at any time, in particular even when the transport device is at a standstill or also at very low speeds of the transport device, be braked reliably. This gives the Possibility, e.g. B. if the service brake fails To prevent the car from drifting away from the stop.
- the braking device can be operated remotely for example hydraulically or pneumatically.
- the braking device is an electrically operated braking part as well as one interacting with the brake part Braking surface
- the brake part can be with a apply electrical voltage and then cooperates the corresponding braking surface together in such a way that the governor wheel is stopped.
- the braking device is designed as a disc brake.
- the braking surface can be arranged on the governor wheel his. This gives the possibility of an additional one Component to provide the braking surface is not required can.
- the brake disc with the governor wheel is releasably connectable.
- the associated Brake part can, for example, regardless of the governor wheel be arranged on a warehouse keeper.
- a reverse arrangement is also conceivable such that the brake part is releasable with the governor wheel is connectable and driven by this to a rotary movement while the brake disc is independent of Limiter wheel is held.
- the braking device is electromagnetic can be ventilated or closed, the ventilation or Close opposite movement by magnet or Spring force takes place.
- the invention Device should be designed such that when pressed the braking device has no free wheel of the governor he follows.
- the brake part and the brake disc a first, non-rotatable Part and a second, freely rotatable Train part.
- the immovability of the first part, for example the braking part ensures that at actuation of the braking device, the second part, for example the braking surface is braked immediately, there is therefore no freewheel.
- An immediately effective braking device is, however not desired in all cases. So it should be when activating the braking device in a stop The car drifts up or down reliably should be prevented, however, the safety gear not with the slightest movement, like by lengthening or shortening the rope when loading or unloading, intervene and block. Therefore, it can be beneficial be when the braking part and the braking surface first, rotatable by a certain angle of rotation Form part and a second, freely rotatable part. With such a configuration, when activated the braking device the first part, for example the braking part, initially by a certain angle of rotation be twisted to make another movement only afterwards of the freely rotatable part, for example the Braking surface to prevent.
- the certain angle of rotation about which the first part is rotatable is adjustable. This gives the opportunity depending on the conditions of use for the invention Device to provide a predefinable freewheel, by the corresponding angle of rotation of the first part is set.
- a small one Angle of rotation may be provided, for example an angle of rotation less than 90 °, this corresponds to a freewheel less than a quarter turn. Very cheap is an angle of about 5 ° -10 °, which then z.
- a free rebound or compression of the transport device used ropes by approx. 15-30 each mm is made possible before the safety gear is final be indented.
- the braking device has a stop to which the first part rotates during its movement can be created.
- the stop can advantageously be adjusted and / or resettable. This can be done, for example in addition to the stop, a separate spring element be provided that the stop with a Restoring force applied.
- the braking part and the braking surface are preferably relative slidable to each other along an air gap arranged.
- the size of the air gap is preferably adjustable, this enables the device according to the invention to optimally adapt the prevailing conditions. So z. B. the wear of the brake pad or the noise behavior of the brake must be taken into account.
- the air gap is by means of adjustable at least one adjustable stop is.
- a stop for example Screw are used.
- a display element for example a LED, are used so that the service and maintenance personnel can easily see whether the braking device in the ventilated or in the closed Condition is.
- the release position and / or the closed position of the Braking device is preferably by means of a sensor recognizable.
- a sensor recognizable.
- a mechanical Buttons are used.
- the electrical connection of the Air gap limiting stop with the sliding Part of the braking device is electrically recognizable.
- it can either be a movable part the braking part or the braking surface is provided his. If the movable part reaches its end position, by the stop that limits the air gap comes to the plant, so this has an electrical Contact between the stop and the sliding Part of it. This electrically conductive connection can then be used as a signal for the presence of the release position the braking device can be evaluated.
- braking part and / or the braking surface centered around a bearing axis supporting the governor wheel are arranged around.
- Such a symmetrical design enables an even distribution of power and a particularly cost-effective design, being ensured at the same time can that the device is assembled in a simple manner and can be dismantled.
- Stop element 24 there is an active connection with the governor 18 familiar and therefore only fragmentary in the drawing indicated stopping element 24. This is as usual designed such that it is the governor stops if the speed of the governor wheel 18 exceeds a predetermined value.
- Stop element depending on the on it acting inertial forces caused by the rotary motion of the limiter wheel 18 are actuated is, for example, from EP 0 121 711 B1 known and will not be explained here.
- the limiter wheel 18 can be engaged by the stop element 24 often a certain freewheel run through, that known from EP 0 121 711 B1 Set up a maximum of a quarter turn of the Limiter wheel is 18.
- an additional speed limiter 10 Brake device 26 for use.
- This includes a Brake part in the form of an electromagnet 28, which a supply line 30 with an electrical supply voltage is acted upon. He is about a Slide bearing 32 slidable in the longitudinal direction of the axis 14 held on the axis 14, by means of a Spring element 34 which in the axial direction between the Electromagnet 28 and the front ball bearing 15 are arranged is, in the direction facing away from the limiting wheel 18 is spring loaded.
- the electromagnet 28 is assigned on this facing end of the limiter wheel 18 an anchor plate 36 releasably held by means of screws 38.
- the Armature plate 36 forms the electromagnet 28 on it facing front of a braking surface 40 to which the electromagnet 28 when loaded with a electrical supply voltage is applied. If the Electromagnet 28 is not activated, it is from the spring element 34 in the direction facing away from the anchor plate 36 axially displaced so that there is between the braking surface 40 and the back 42 facing this Electromagnet 28 forms an air gap 44.
- the adjusting screw 50 has adjust the size of the air gap 44, nor the Function of a sensor, with the help of which detected can be whether the electromagnet 28 at a distance from Anchor plate 36 is arranged, the braking device 26 is aired.
- the adjusting screw 50 is by means of electrical insulation 52 on the bearing block 12 held, and on the set screw 50 is a test lead 54 releasably fixed so that the adjusting screw 50 with an electrical voltage can be applied.
- At a distance from the adjusting screw 50 is on the bracket 12 electrical sensor line 56 connected.
- the electromagnet 28 with a supply voltage pressurized, he lies down on the anchor plate 36 and with this is a certain one Twist the angle of rotation until one of the stop screws 58, 59 on the associated leg 61 or 62 the wire spring 63 strikes and the wire spring 63 so far apart until the respective leg 61 or 62 abuts the wall of the elongated hole 65, that the leg 61 or 62 passes through.
- the thigh 61 and 62 of the wire spring 63 thus form a resettable Stop for the electromagnet 28 so that the rotary motion of the electromagnet 28 to a small one Angular range is limited.
- the size of the angular range is determined by the size of the slot 65 and the position of the stop screws 58, 59 defined. The bigger the slot and the bigger the distance between the stop screws and the slot, the more the larger the angle of rotation by which the electromagnet 28 can be twisted before making another turn is hindered.
- stop screws 58, 59 can also be used e.g. B. rotated 90 ° or as adjustable stops be arranged on the electromagnet. It can also take place the outer area (wall) of the elongated hole 65 an adjustable Stop on the bearing block to be arranged.
- the limiter wheel can be operated by means of the braking device 26 18 of the speed limiter 10 at any time reliably shutdown without this Stop element 24 must be used.
- the braking device 26 18 of the speed limiter 10 can be operated by means of the braking device 26 18 of the speed limiter 10 at any time reliably shutdown without this Stop element 24 must be used.
- the braking device 26 used can be arranged by applying voltage to the isolated Set screw 50 can be scanned.
Landscapes
- Braking Arrangements (AREA)
- Vehicle Body Suspensions (AREA)
- Inspection Of Paper Currency And Valuable Securities (AREA)
- Spinning Or Twisting Of Yarns (AREA)
- Ticket-Dispensing Machines (AREA)
Description
- Figur 1 :
- eine vereinfachte Seitenansicht einer Einrichtung zum Begrenzen der Fahrt eines Aufzuges und
- Figur 2:
- eine Schnittansicht längs der Linie A-A in Figur 1.
Claims (21)
- Einrichtung (10) zum Begrenzen der Fahrt einer Transportvorrichtung, insbesondere eines Aufzuges, mit einem entsprechend der Transportgeschwindigkeit antreibbaren Begrenzerrad, mit mindestens einem Stillsetzelement (24), das das Begrenzerrad (18) bei zu hoher Drehgeschwindigkeit aufgrund einer einwirkenden Trägheitskraft stillsetzt, und mit einer Vorrichtung zum ferngesteuerten Auslösen eines Bremsvorgangs unabhängig von der herrschenden Trägheitskraft, dadurch gekennzeichnet, daß die Vorrichtung eine unabhängig von der Drehgeschwindigkeit des Begrenzerrades (18) und unabhängig vom Wirksamwerden des Stillsetzelementes (24) auf das Begrenzerrad (18) einwirkende Bremsvorrichtung (26) aufweist.
- Einrichtung nach Anspruch 1, dadurch gekennzeichnet, daß die Vorrichtung unabhängig von der Drehrichtung des Begrenzerrades (18) aktivierbar ist.
- Einrichtung nach Anspruch 1 oder 2, dadurch gekennzeichnet, daß die Bremsvorrichtung (26) ein elektrisch betätigbares Bremsteil (28) sowie eine mit dem Bremsteil (28) zusammenwirkende Bremsfläche (40) umfaßt.
- Einrichtung nach Anspruch 1, 2 oder 3, dadurch gekennzeichnet, daß die Bremsvorrichtung (26) als Scheibenbremse ausgebildet ist.
- Einrichtung nach Anspruch 3 oder 4, dadurch gekennzeichnet, daß die Bremsfläche (40) unmittelbar am Begrenzerrad (18) angeordnet ist.
- Einrichtung nach Anspruch 3 oder 4, dadurch gekennzeichnet, daß die Bremsfläche (40) an einer separaten Bremsscheibe (36) angeordnet ist.
- Einrichtung nach Anspruch 6, dadurch gekennzeichnet, daß die Bremsscheibe (36) mit dem Begrenzerrad (18) lösbar verbindbar ist.
- Einrichtung nach Anspruch 6, dadurch gekennzeichnet, daß das Bremsteil (28) mit dem Begrenzerrad (18) lösbar verbindbar ist.
- Einrichtung nach einem der voranstehenden Ansprüche, dadurch gekennzeichnet, daß die Bremsvorrichtung (26) elektromagnetisch lüftbar oder schließbar ist.
- Einrichtung nach einem der Ansprüche 3 bis 9, dadurch gekennzeichnet, daß das Bremsteil (28) und die Bremsfläche (40) ein erstes, unverdrehbares Teil sowie ein zweites, frei verdrehbares Teil ausbilden.
- Einrichtung nach einem der Ansprüche 3 bis 9, dadurch gekennzeichnet, daß das Bremsteil (28) und die Bremsfläche (40) ein erstes, um einen bestimmten Drehwinkel verdrehbares Teil sowie ein zweites, frei drehbares Teil ausbilden.
- Einrichtung nach Anspruch 11, dadurch gekennzeichnet, daß der bestimmte Drehwinkel einstellbar ist.
- Einrichtung nach Anspruch 11 oder 12, dadurch gekennzeichnet, daß die Bremsvorrichtung (26) einen rückstellbaren Anschlag (61, 62) umfaßt, an den das erste Teil bei seiner Drehbewegung anlegbar ist.
- Einrichtung nach Anspruch 13, dadurch gekennzeichnet, daß der rückstellbare Anschlag als Drahtfeder(63) ausgebildet ist.
- Einrichtung nach einem der Ansprüche 3 bis 14, dadurch gekennzeichnet, daß das Bremsteil (28) und die Bremsfläche (40) relativ zueinander längs eines Lüftspaltes (44) verschiebbar angeordnet sind.
- Einrichtung nach Anspruch 15, dadurch gekennzeichnet, daß die Größe des Lüftspaltes (44) einstellbar ist.
- Einrichtung nach Anspruch 16, dadurch gekennzeichnet, daß der Lüftspalt (44) mittels mindestens eines verstellbaren Anschlages (48, 49, 50) einstellbar ist.
- Einrichtung nach einem der voranstehenden Ansprüche, dadurch gekennzeichnet, daß die Lüftstellung und/oder die Schließstellung der Bremsvorrichtung (26) erkennbar ist.
- Einrichtung nach einem der voranstehenden Ansprüche, dadurch gekennzeichnet, daß die Lüftstellung und/oder die Schließstellung der Bremsvorrichtung (26) mittels eines Sensors (50) erkennbar ist.
- Einrichtung nach Anspruch 17, dadurch gekennzeichnet, daß eine elektrische Verbindung des den Lüftspalt (44) begrenzenden Anschlages (50) mit dem verschiebbaren Teil (28) der Bremsvorrichtung (26) elektrisch erkennbar ist.
- Einrichtung nach einem der Ansprüche 3 bis 20, dadurch gekennzeichnet, daß das Bremsteil (28) und/oder die Bremsfläche (40) zentrisch um eine das Begrenzerrad (18) tragende Lagerachse (14) herum angeordnet sind.
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE59900140T DE59900140D1 (de) | 1999-08-05 | 1999-08-05 | Einrichtung zum Begrenzen der Fahrt einer Transportvorrichtung |
EP99115445A EP1088782B8 (de) | 1999-08-05 | 1999-08-05 | Einrichtung zum Begrenzen der Fahrt einer Transportvorrichtung |
ES99115445T ES2160429T3 (es) | 1999-08-05 | 1999-08-05 | Mecanismo para limitar el desplazamiento de un dispositivo de transporte. |
AT99115445T ATE202539T1 (de) | 1999-08-05 | 1999-08-05 | Einrichtung zum begrenzen der fahrt einer transportvorrichtung |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP99115445A EP1088782B8 (de) | 1999-08-05 | 1999-08-05 | Einrichtung zum Begrenzen der Fahrt einer Transportvorrichtung |
Publications (3)
Publication Number | Publication Date |
---|---|
EP1088782A1 EP1088782A1 (de) | 2001-04-04 |
EP1088782B1 true EP1088782B1 (de) | 2001-06-27 |
EP1088782B8 EP1088782B8 (de) | 2001-11-14 |
Family
ID=8238729
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP99115445A Expired - Lifetime EP1088782B8 (de) | 1999-08-05 | 1999-08-05 | Einrichtung zum Begrenzen der Fahrt einer Transportvorrichtung |
Country Status (4)
Country | Link |
---|---|
EP (1) | EP1088782B8 (de) |
AT (1) | ATE202539T1 (de) |
DE (1) | DE59900140D1 (de) |
ES (1) | ES2160429T3 (de) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102006056079A1 (de) * | 2006-11-28 | 2008-05-29 | Robert Bosch Gmbh | Aufzugsmotor |
EP2189410A1 (de) | 2004-06-02 | 2010-05-26 | Inventio Ag | Überwachungssystem für ein Aufzug |
DE102011114679A1 (de) * | 2011-10-04 | 2013-04-04 | RST Elektronik GmbH | Aufzugsvorrichtung |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7353916B2 (en) | 2004-06-02 | 2008-04-08 | Inventio Ag | Elevator supervision |
WO2009130366A1 (en) * | 2008-04-23 | 2009-10-29 | Kone Corporation | Overspeed governor of an elevator, and elevator |
DE102009037634A1 (de) * | 2009-08-14 | 2011-02-17 | Lm Liftmaterial Gmbh | Aufzug und Verfahren zur Absicherung eines Aufzugs |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3470409D1 (en) * | 1983-03-09 | 1988-05-19 | Bongers & Deimann | Velocity limiting device for a lift |
US4977982A (en) * | 1989-12-26 | 1990-12-18 | Otis Elevator Company | Elevator sheave brake safety |
FI95021C (fi) * | 1993-06-08 | 1995-12-11 | Kone Oy | Menetelmä ja laitteisto hissin tarrauslaitteen laukaisemiseksi |
-
1999
- 1999-08-05 AT AT99115445T patent/ATE202539T1/de active
- 1999-08-05 ES ES99115445T patent/ES2160429T3/es not_active Expired - Lifetime
- 1999-08-05 DE DE59900140T patent/DE59900140D1/de not_active Expired - Lifetime
- 1999-08-05 EP EP99115445A patent/EP1088782B8/de not_active Expired - Lifetime
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP2189410A1 (de) | 2004-06-02 | 2010-05-26 | Inventio Ag | Überwachungssystem für ein Aufzug |
DE102006056079A1 (de) * | 2006-11-28 | 2008-05-29 | Robert Bosch Gmbh | Aufzugsmotor |
DE102011114679A1 (de) * | 2011-10-04 | 2013-04-04 | RST Elektronik GmbH | Aufzugsvorrichtung |
Also Published As
Publication number | Publication date |
---|---|
EP1088782B8 (de) | 2001-11-14 |
EP1088782A1 (de) | 2001-04-04 |
ATE202539T1 (de) | 2001-07-15 |
ES2160429T3 (es) | 2001-11-01 |
DE59900140D1 (de) | 2001-08-02 |
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