EP1674416B1 - Elevator and elevator car - Google Patents
Elevator and elevator car Download PDFInfo
- Publication number
- EP1674416B1 EP1674416B1 EP04030734A EP04030734A EP1674416B1 EP 1674416 B1 EP1674416 B1 EP 1674416B1 EP 04030734 A EP04030734 A EP 04030734A EP 04030734 A EP04030734 A EP 04030734A EP 1674416 B1 EP1674416 B1 EP 1674416B1
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- EP
- European Patent Office
- Prior art keywords
- lift
- shaft
- monitoring
- detecting
- car
- 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.)
- Not-in-force
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B11/00—Main component parts of lifts in, or associated with, buildings or other structures
- B66B11/02—Cages, i.e. cars
- B66B11/0226—Constructional features, e.g. walls assembly, decorative panels, comfort equipment, thermal or sound insulation
- B66B11/0246—Maintenance features
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- 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
- B66B5/0043—Devices enhancing safety during maintenance
- B66B5/005—Safety of maintenance personnel
Definitions
- the present invention relates to an elevator with a car, which is movably arranged in a hoistway between a shaft head and a pit along a guideway, and a car for a lift.
- Powertrainless elevators are already in widespread use. It is hereby aimed to reduce the manhole dimensions, in particular the shaft height. In the most favorable case theoretically, the length of the shaft is defined merely by the sum of the required height, the height of the car and the required crossings and buffer strokes.
- the EP 1 118 574 A2 shows the provision of a lower temporary shelter.
- a person-recognizing sensor triggers a braking device.
- the disadvantage here is that the safe functionality of the brakes can not be guaranteed and therefore slippage of the car in the shelter can not be excluded. The car must therefore be secured with additional supports to be inserted into the shaft pit.
- Lift shafts with a pit and a shaft head, which do not extend beyond the top and bottom floors, are also known.
- an upper temporary shelter is provided by providing a buffer device disposed in the well head with an impact plate via an actuatable mechanism.
- the car has a fixed to the car roof counter-stop, which limits the way up in interaction with the impact plate.
- the activation mechanism is arranged in the upper shaft head and therefore difficult to reach, for example, for a maintenance technician.
- the JP 2004-149258 shows a Auffahrdämpfer which is fastened to the bottom of the elevator shaft on the guide rail of the counterweight to limit the travel path of the counterweight down.
- movable means are shown at the bottom of the manhole, which can be folded into the car or counterweight travel path to limit the respective travel ways down.
- the US 2004/0188184 shows arranged on the guide rails screws, which cooperate with an over the car or the counterweight rail, which is pushed to block the track to the outside, beyond the car area, cooperate. A use for the car or the counterweight is disclosed.
- the FR 2 795 060 shows movable means on the car and fixed means in the hoistway to block the car's mobility upwards.
- the shelters for the maintenance and repair personnel are only temporarily available. In normal operation of the elevator, the shelters are not provided and the car can be moved along the entire track.
- the conventionally used sensors also have the disadvantage that the systems are used as safety circuits, e.g. according to SIL 3, must be performed. As a result, wiring and documentation consuming and difficult to understand for the maintenance staff.
- the object is achieved by an elevator with the features of claim 1 and of claim 3 and by a car with the features of claim 22.
- the inventive interaction between the provided on the car movable first means and arranged in the elevator shaft second means can be achieved in a simple and reliable way limiting the travel of the car, and thus in particular the provision of shelters.
- the movable first means provided on the car can be moved from a first position not blocking the travel path of the car into a second position in which they can be brought into operative connection with the second means provided in the elevator shaft by corresponding movement of the car are, whereby a route of the car blocking position of the first means is realized.
- the counterweight assigned to the first movable means are brought from a not blocking the path of the counterweight first position in a second position in which they can also interact with the second means in operative connection, so here is a the path of the counterweight blocking position of the first Means is feasible.
- the first means are easily accessible for the maintenance personnel who goes for example for inspection trips on the car roof, and in particular to operate in a simple manner manually.
- the maintenance staff then has no reason to perform manipulations, bypassing existing regulations, for example to save time.
- Conventional security devices are often complicated to use and also require a considerable time and / or effort for the operation. Since maintenance personnel are often under time pressure, experience has shown that complicated or time-consuming safety devices are bypassed.
- the first means substantially below the carcass, where they can easily be reached from the well or from one floor, and e.g. are manually operated.
- a remote control could be provided from the car roof, from a floor, out of the car or from the pit.
- the bottom landing door may be equipped with a safety circuit that monitors whether the car is behind the door when the door is opened.
- first means on the counterweight and the second means are arranged in the elevator shaft.
- the first and / or second means suitably made of a hard, stable material, e.g. Metal are formed to be provided with elastic buffer elements to gently stop the car.
- the respective travel path is limited by operative connection of the first and second means in such a way that a shelter with a safety height in the shaft is formed.
- a shelter is provided so as not to injure persons who are on or under the car when the car is being moved into the pit head or into the pit.
- the necessary shelters in the elevator shaft both in the shaft head and in the pit can be provided in a simple way, taking into account applicable safety regulations, especially temporarily, without having to extend the shaft to have.
- An elevator according to the invention has a device for detecting the position of the first and / or second means. This can be checked in a simple manner, whether the provision of the respective shelter is guaranteed.
- the Detection device may be formed, for example, as a conventional electrical position or pressure sensor or as a switch, which is connected to the other safety circuits of the elevator.
- an elevator according to the invention is equipped with first means which are at least partially designed to be able to be folded out or folded out of the vertical projection of the car or counterweight surface.
- an elevator according to the invention has first means which are configured at least partially displaceable or displaceable from the vertical projection of the car or counterweight surface.
- the second means are arranged immovably in the elevator shaft of an elevator according to the invention. They may for example be attached to the shaft walls or the guide rails, whereby they form a stationary rigid stop.
- the second means are arranged in the elevator shaft in such a way that they are moved a predetermined distance along the travel path when being acted upon by the first means.
- the second means thus provide a predetermined extension of the track, which can be used advantageously for energy reduction by friction.
- the second means are expediently clamped in the elevator shaft, for example on a guide rail.
- the second means are arranged as bumpers on car or guide rails.
- the first means are arranged such that they are moved a predetermined distance along the track when being acted upon by the second means. This measure has the advantages that have been explained in connection with the corresponding preferred embodiment of the second means.
- the first means on the car without entering the car roof can be brought from the non-blocking position to the blocking position.
- the maintenance personnel therefore need not enter a danger area before the provision of the security room is ensured.
- the first means can be brought manually from the non-blocking position to the blocking position. It also proves to be advantageous if the first means are manually rotatable from a positionally stable non-blocking position to a positionally stable blocking position.
- the overlapping area of the first means and the second means in the vertical projection is outside the car or counterweight area.
- the unfolded, pushed out or rotated portion of the first means can advantageously interact with the second means for limiting the travel path.
- the effective range is preferably arranged outside the vertical car projection in order to avoid hazards or pinching in the car area.
- the first means can advantageously be moved manually in a simple manner. Therefore, advantageously no complicated actuators are necessary, which leads to a reduced susceptibility to errors. It should be noted that the movement of the first means may also be preferably carried out electrically, magnetically, pneumatically, hydraulically, etc.
- the elevator according to the invention is provided with a device for detecting or monitoring the position of a tread plate provided on the car roof or the pit floor.
- the footplate expediently covers the entire surface of the car roof or the shaft pit floor.
- the tread plate is located substantially on elastic spring elements whose deflection can be monitored.
- conventional, inexpensive safety switches can be used particularly advantageously.
- the movability of the car is blocked when the device for detecting or monitoring the position of the tread plate, in particular sensors or switches, registers the tread plate in a predetermined position.
- the predetermined position when entering the tread plate is taken.
- the locking function with respect to the mobility can be provided for example by electrical intervention in the controller or the drive.
- the means for detecting or monitoring the position of the first and / or second means partially overrides the disabling function of the means for detecting or monitoring the position of the footboard and makes the car movable at reduced speed for an inspection run when the means for detecting or monitoring the position of the first and / or second means registers the first means in its blocking position.
- the detection means associated with the first means registers that the first means are in the blocking position, ie the position which ensures a, eg temporary, safety space, the movability is released again, in particular for inspection journeys.
- the ones associated with the first means and the tread plate Detecting devices can be robust, reliable and simple, so that in particular the electrical wiring can be customized, modified and tested by the skilled person.
- a device for detecting the presence of persons on the car roof or the pit floor is provided.
- This device can be configured in a simple manner as a light barrier, motion detector, pressure sensor and much more.
- third means can be introduced into the travel path of the car or the travel path of the counterweight in order to limit the respective travel path.
- These agents can be useful and robust designed as Aufsetz macron.
- the described arrangement in the track of the counterweight a security room in the shaft head is available, by the described arrangement in the route of the car, a security room in the pit is available.
- the third means are used in addition to the use of a maintenance particularly useful during assembly, if the other provided safety devices and Fahrwegbegrenzungsstoff are not yet fully operational or temporarily out of service.
- a car for an elevator with first means which are at least partially movable out of the vertical projection of the car area and for limiting the travel of the car with second means arranged in an elevator shaft are provided in operable equipped with means for detecting or monitoring the position of provided on the car roof tread plate and means for detecting or monitoring the position of the first means are provided, wherein the mobility of the car is blocked when the device for detecting or monitoring the position of the treadboard registers the tread plate in a predetermined position, and wherein the means for detecting or monitoring the position of the first means partially overrides the disabling function of the means for detecting or monitoring the position of the treadle when the means for detecting or Monitoring the position of the first means the first means registered in their blocking position.
- the first means of a car according to the invention on the features of the first means of an embodiment of an elevator according to the invention.
- FIG. 1 shows a perspective view of a section of a car roof 1 of a car.
- the car roof 1 is equipped with a full-surface tread plate 3 covering the entire accessible car roof, and the at least one detection device 5 (FIG. FIG. 3 ) assigned.
- the tread plate has a vertically upstanding tread plate edge 3b, which prevents in particular the feet of standing on the treadle maintenance personnel get into a danger area outside the car area or slip off the tread plate.
- the tread plate is at one or more points 6 ( FIG. 3 ) elastically yielding example, mounted on a spring element, wherein when entering the tread plate 3 then a spring travel is covered.
- movable first means are generally designated 100 and formed as a fold-out metal bracket.
- the metal bracket is located in FIG. 1 in a folded or open, non-blocking position, the free mobility of the Car guaranteed.
- the metal bracket 100 has a U-shaped main body 101 to which inwardly curved surfaces 102a and 102b are attached.
- the inwardly curved surfaces provide abutment surfaces 103a, 103b, as will be explained further below.
- the metal bracket 100 is attached to the mounting and pivot points 104a, 104b rotatable and foldable. On the inside of the metal bracket, a further detection device 105 is attached, which detects the position of the metal bracket.
- the car is guided by means of rollers 200 along the consisting of a rail head 301 and a rail 302 guide rail 300.
- the detection device 105 is designed as a safety switch and has a switching pin 105a.
- the switching pin 105 a comes out of the safety switch 105.
- the switching pin 105a is pressed into the interior of the safety switch 105. In this way, the two positions of the metal bracket 100 can be easily detected.
- the detection devices 5 If a person enters the tread plate 3 on the car roof 1, the detection devices 5 (FIG. FIG. 3 ). As a result, the mobility of the car is prevented. Does the person move the metal strap 100 into the in FIG. 2 shown unfolded or blocking position, the safety switch 105 is actuated and released the mobility of the car for inspection or maintenance trips. It should be noted that several movable first means can be attached to the car roof.
- FIG. 2 the closed, unfolded position of the metal bracket 100 is shown. It can be seen here in particular on the U-shaped base body 101 formed inclined surfaces 102a, 102b, the stop surfaces 103a, 103b provide. The stop surfaces protrude in the unfolded position of the metal bracket 100 over the base of the car.
- the second means 400 are mounted, which are formed as an impact frame in the manner of a buffer.
- the impact frame has a U-shaped base body 404 and impact surfaces 401a, 401b formed thereon.
- the impact surfaces protrude into the vertical projection of the abutment surfaces 103a, 103b of the unfolded metal bracket 100 and can engage the abutment surfaces 103a, 103b of the metal bracket 100 in the blocking position of the metal bracket, i. the impact surfaces serve as stops for the stop surfaces 103a, 103b.
- the mobility of the car is limited upwards, so that over the car roof 1, a (temporary) security room is available, especially if maintenance personnel is on the car roof 1.
- the impact frame 400 is attached to the guide rail 300 by means of a fastening device 402 attached, in particular clamped.
- the fastening device 402 advantageously provides mobility of the impact frame 400 over a predetermined path 403 with a determinable force expenditure.
- the mobility provided can advantageously reduce the speed of the car by means of frictional force over a distance, as a result of which the car does not reach a jerky standstill.
- the rollers 200 are fastened to the car roof 1 by means of a roller carrier 201 and a roller support 202.
- the car is guided by the rollers along the guide rail 300.
- the safety switch 105 comes with its switching pin 105a with the car roof 1 or components mounted thereon in contact, whereby the safety switch 105 is actuated. Thus, the closed, blocking position of the metal bracket 100 is registered.
- FIG. 3 a larger section of the car roof 1 is shown.
- the full-surface tread plate 3 is arranged, which covers the entire accessible area and which is equipped with a rim 3b for the aforementioned security purposes.
- the car is moved by means of the cables 600 along the guide rail 300 via the rollers 200.
- the foldable metal hoop 100 is shown in the open, non-blocking position.
- the switching pin 105a is located outside the safety switch 105.
- On the car roof 1 further detection devices 5 are arranged, which are designed as safety switches and are operated by entering and thus lowering the foot plate 3. By operating the safety switch 5, the mobility of the car is prevented. This can be done, for example, that the safety switch 5 are involved in a safety circuit of the elevator so that the power supply to the elevator motor is interrupted. An electric or hydraulic ventilation of the car brakes can be prevented in this way.
- first bracket 100 If a person intends to move the car on the car roof 1, in particular for an inspection journey, it is necessary for the metal bracket 100 to be brought into the closed position. For this purpose, the person on the car roof folds the metal bar into the closed position. If a plurality of first means are arranged on the car roof, it is expedient if all first means must be moved to a safety position before the movability of the car is released.
- the closed position, that is to say the safety position, of the metal bracket 100 is registered by the safety switch 105, which, for example, can be switched in such a way that that the tread plate 3 associated safety switch 5 are bridged. As a result, the movability of the car at inspection speed along the guide rails 300 is released again.
- third means 700 are shown, which can be introduced into the path of the elevator cage or the path of the counterweight in the shaft pit in order to limit the respective route, and to provide required safety rooms.
- the third means 700 are formed as Aufsetz tribe and have a rear wall 701 and side parts 702a, 702b, which together form a U-shaped cross-section.
- the side panels have at their lower end outwardly facing foot plates.
- the Aufsetz On its upper side, the Aufsetz might 700 two buffers 703, which allow a buffered placement of the car or the counterweight to prevent damage to the car or on the counterweight or on people traveling.
- the landing support may also include a different number of buffers, such as bumpers. one, three and so on.
- the buffer support 800 is formed as fixedly arranged in the shaft buffer support. It has a foot plate 801, with which it is mounted in the pit under the car or under the counterweight.
- the fixed buffer support 800 provides the buffers for the normal lift operation for the car or the counterweight.
- the Aufsetz Session Tube 700 can be rotationally, hingedly and / or tiltably attached to support devices so as to be easily movable between a position in the travel of the elevator car, a position in the track of the counterweight and a position outside both routes.
- a shelter with a safety height corresponding to the cumulative length 704 of the two buffer supports is provided. If the Aufsetz Specific 700 mounted under the car, it prevents a mobility of the car to the shaft bottom. Under the car in the pit a shelter is thus provided.
- the introduction of the Aufsetz sub 700 may preferably also be done when the remaining safety devices, for example, on Monday of the elevator, not yet fully connected or out of order for any other reason.
- FIG. 5 a lateral cross-sectional view of a preferred embodiment of an elevator according to the invention is shown.
- An elevator shaft is designated overall by 10.
- a car 11 is connected via ropes 600, which are guided via roller and drive devices 13, with a counterweight 12.
- the car can be moved along the guide rails 300 between a shaft pit 15 and a shaft head 16.
- the elevator shaft 10 has openings or doors 14 to floors, through which the car can be entered and left.
- the car roof 1 can be entered through the doors.
- At least one metal bracket 100 is arranged, which can interact with at least one impact frame 400, which is arranged on the guide rail 300 in operative connection.
- the car 11 is freely movable along the guide rails 300. If the car is in its uppermost position, a free space with a height 20 is present in the shaft head 16 above the car roof 1, which is not sufficient as a security room for one person.
- the metal strap 100 is in an unfolded position, it is possible to move by means of the engagement frame with the impact frame 400 via the in FIG. 5 prevented shown position out. It is important pointed out that the mobility over a position that is slightly below the position shown, already by electronic means, such as position switches, can be prevented. However, these electronic means do not guarantee absolute mechanical limitation, as do the described first and second means.
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- Engineering & Computer Science (AREA)
- Civil Engineering (AREA)
- Mechanical Engineering (AREA)
- Structural Engineering (AREA)
- Maintenance And Inspection Apparatuses For Elevators (AREA)
- Elevator Control (AREA)
- Indicating And Signalling Devices For Elevators (AREA)
- Types And Forms Of Lifts (AREA)
- Cage And Drive Apparatuses For Elevators (AREA)
Abstract
Description
Die vorliegende Erfindung betrifft einen Aufzug mit einem Fahrkorb, der in einem Aufzugschacht zwischen einem Schachtkopf und einer Schachtgrube entlang eines Fahrweges verfahrbar angeordnet ist, sowie einen Fahrkorb für einen Aufzug.The present invention relates to an elevator with a car, which is movably arranged in a hoistway between a shaft head and a pit along a guideway, and a car for a lift.
Triebwerkraumlose Aufzüge finden bereits weite Verwendung. Es wird hierbei angestrebt, die Schachtabmessungen, insbesondere die Schachthöhe, zu reduzieren. Im theoretisch günstigsten Fall ist hierbei die Länge des Schachtes definiert lediglich durch die Summe aus Forderhöhe, der Höhe des Fahrkorbs und der erforderlichen Überfahrten und Pufferhübe.Powertrainless elevators are already in widespread use. It is hereby aimed to reduce the manhole dimensions, in particular the shaft height. In the most favorable case theoretically, the length of the shaft is defined merely by the sum of the required height, the height of the car and the required crossings and buffer strokes.
Es sind Ansätze zur Reduzierung der Schachtkopfhöhe in der
In der
Die
Aufzugschächte mit einer Schachtgrube und einem Schachtkopf, die das oberste und das unterste Geschoss nicht überragen, sind ebenfalls bekannt.Lift shafts with a pit and a shaft head, which do not extend beyond the top and bottom floors, are also known.
In der
Die
In der
In beiden Fällen muss sich ein Monteur für die Bereitstellung der Sicherheitsräume zuerst in die Schachtgrube begeben, auch wenn er eine Wartung beispielsweise im Schachtkopf durchführen muss.In both cases, a fitter for the provision of security rooms must first go into the pit, even if he must carry out a maintenance, for example, in the shaft head.
Die
Die
Schließlich werden in der
Bei den genannten Lösungen ist oftmals die Erreichbarkeit für den Monteur erschwert, da sich die Mechnismen nicht immer in Reichweite des Monteurs befinden. Außerdem ist eine Verfahrbarkeit des Fahrkorbs für Montage- oder Wartungszwecke nicht immer möglich.In the solutions mentioned accessibility is often difficult for the fitter, since the mechanisms are not always within reach of the fitter. In addition, a mobility of the car for assembly or maintenance purposes is not always possible.
Auch erfüllen die Lösungen teilweise nicht die Sicherheitsstandards der Aufzugsrichtlinie 95/16/EWG, so dass sie in öffentlich zugänglichen Bereichen nur mit Einschränkungen, z.B. bei verminderter Geschwindigkeit, zugelassen sind. Insbesondere die vorgeschriebenen Schutzräume für Wartungs- und Reparaturpersonal werden nicht vorschriftgemäß bereitgestellt.Also, some of the solutions do not meet the safety standards of the Lifts Directive 95/16 / EEC, so that they are limited in publicly accessible areas, e.g. at reduced speed. In particular, the prescribed shelters for maintenance and repair personnel are not provided in accordance with regulations.
Bei den genannten Systemen stehen die Schutzräume für das Wartungs- und Reparaturpersonal nur temporär zur Verfügung. Im Normalbetrieb des Aufzuges werden die Schutzräume nicht bereitgestellt und der Fahrkorb ist entlang des gesamten Fahrweges verfahrbar.In the systems mentioned, the shelters for the maintenance and repair personnel are only temporarily available. In normal operation of the elevator, the shelters are not provided and the car can be moved along the entire track.
Die herkömmlicherweise verwendete Sensorik besitzt darüber hinaus den Nachteil, dass die Systeme als Sicherheitsschaltungen, z.B. nach SIL 3, ausgeführt werden müssen. Dadurch werden Beschaltung und Dokumentation aufwendig und für das Wartungspersonal schwer nachvollziehbar.The conventionally used sensors also have the disadvantage that the systems are used as safety circuits, e.g. according to
Es stellt sich somit die Aufgabe, eine Absicherung von temporären Schutzräumen in Aufzugschächten mit einfachen und zuverlässigen Mitteln zu gewährleisten, wenn sich Wartungspersonal in einem Gefahrenbereich aufhält, und dabei den Aufzug- bzw. Fahrkorb für Wartungsarbeiten bewegbar oder verfahrbar zu gestalten.It thus sets itself the task of ensuring protection of temporary shelters in elevator shafts with simple and reliable means when maintenance personnel resides in a hazardous area, while making the elevator or car movable or movable for maintenance.
Die Aufgabe wird erfindungsgemäß gelöst durch einen Aufzug mit den Merkmalen des Patentanspruchs 1 und des Patentanspruchs 3 sowie durch einen Fahrkorb mit den Merkmalen des Patentanspruchs 22.The object is achieved by an elevator with the features of
Durch die erfindungsgemäße Wechselwirkung zwischen den am Fahrkorb vorgesehenen bewegbaren ersten Mitteln und den im Aufzugsschacht angeordneten zweiten Mitteln kann auf einfache und zuverlässige Weise eine Begrenzung des Fahrweges des Fahrkorbes, und damit insbesondere die Bereitstellung von Schutzräumen erreicht werden.The inventive interaction between the provided on the car movable first means and arranged in the elevator shaft second means can be achieved in a simple and reliable way limiting the travel of the car, and thus in particular the provision of shelters.
Es sei insbesondere darauf hingewiesen, dass die am Fahrkorb vorgesehenen bewegbaren ersten Mittel von einer nicht den Fahrweg des Fahrkorbs blockierenden ersten Stellung in eine zweite Stellung bringbar sind, in der sie durch entsprechendes Verfahren des Fahrkorbes in Wirkverbindung mit den im Aufzugsschacht ortsfest vorgesehenen zweiten Mitteln bringbar sind, wodurch eine den Fahrweg des Fahrkorbs blockierende Stellung der ersten Mittel realisiert ist.It should be pointed out in particular that the movable first means provided on the car can be moved from a first position not blocking the travel path of the car into a second position in which they can be brought into operative connection with the second means provided in the elevator shaft by corresponding movement of the car are, whereby a route of the car blocking position of the first means is realized.
Durch die weiterhin vorgesehene erfindungsgemäße Wechselwirkung zwischen dem Gegengewicht zugeordneten bewegbaren ersten Mitteln und zweiten Mitteln, wobei die ersten Mittel zur Begrenzung des Fahrweges des Gegengewichts mit den zweiten Mitteln in Wirkverbindung bringbar sind, ist in einfacher Weise der Fahrweg des Fahrkorbs begrenzbar, wodurch ebenfalls ein entsprechender Sicherheitsraum bereitgestellt werden kann.By the further provided inventive interaction between the counterweight associated with movable first means and second means, wherein the first means for limiting the travel of the counterweight can be brought into operative connection with the second means, the travel path of the car is limited in a simple manner, whereby also a corresponding Security room can be provided.
Auch die dem Gegenwicht zugeordneten bewegbaren ersten Mittel sind von einer nicht den Fahrweg des Gegengewichts blockierenden ersten Stellung in eine zweite Stellung bringbar, in der sie ebenfalls mit den zweiten Mitteln in Wirkverbindung treten können, so dass hier eine den Fahrweg des Gegengewichts blockierende Stellung der ersten Mittel realisierbar ist.The counterweight assigned to the first movable means are brought from a not blocking the path of the counterweight first position in a second position in which they can also interact with the second means in operative connection, so here is a the path of the counterweight blocking position of the first Means is feasible.
Vorteilhafte Ausgestaltungen ergeben sich aus den jeweiligen Unteransprüchen und der nachfolgenden Beschreibung.Advantageous embodiments emerge from the respective subclaims and the following description.
Es ist besonders bevorzugt, die ersten Mittel im wesentlichen an oder auf der Fahrkorbdecke anzuordnen. In dieser Anordnung sind sie für das Wartungspersonal, das sich z.B. für Inspektionsfahrten auf das Fahrkorbdach begibt, leicht erreichbar und insbesondere in einfacher Weise manuell zu betätigen. Das Wartungspersonal hat dann keine Veranlassung, unter Umgehung bestehender Vorschriften Manipulationen durchzuführen, um beispielsweise Zeit einzusparen. Herkömmliche Sicherungseinrichtungen sind oft kompliziert zu bedienen und erfordern darüber hinaus für die Bedienung einen erheblichen Zeit- und/oder Kraftaufwand. Da Wartungspersonal häufig unter Zeitdruck steht, werden erfahrungsgemäß kompliziert oder zeitaufwendig zu bedienende Sicherungseinrichtungen umgangen.It is particularly preferred to arrange the first means substantially on or on the car ceiling. In This arrangement, they are easily accessible for the maintenance personnel who goes for example for inspection trips on the car roof, and in particular to operate in a simple manner manually. The maintenance staff then has no reason to perform manipulations, bypassing existing regulations, for example to save time. Conventional security devices are often complicated to use and also require a considerable time and / or effort for the operation. Since maintenance personnel are often under time pressure, experience has shown that complicated or time-consuming safety devices are bypassed.
Es erweist sich beispielsweise zur Sicherung eines Schutzraums in der Schachtgrube als vorteilhaft, die ersten Mittel im wesentlichen unter dem Fahrkorboden anzuordnen, wo sie auf einfache Weise von der Schachtgrube oder von einem Stockwerk aus erreichbar und z.B. manuell betätigbar sind. Ebenso könnte eine Fernbetätigung vom Fahrkorbdach aus, von einem Stockwerk aus, aus dem Fahrkorb heraus oder von der Schachtgrube aus vorgesehen sein.For example, in order to secure a shelter in the well, it proves advantageous to place the first means substantially below the carcass, where they can easily be reached from the well or from one floor, and e.g. are manually operated. Likewise, a remote control could be provided from the car roof, from a floor, out of the car or from the pit.
Zur Sicherung eines Schutzraums in der Schachtgrube kann die unterste Schachttür mit einer Sicherheitschaltung ausgestattet sein, die überwacht, ob sich beim Öffnen der Tür der Fahrkorb hinter der Tür befindet.To secure a shelter in the pit, the bottom landing door may be equipped with a safety circuit that monitors whether the car is behind the door when the door is opened.
Es ist von Vorteil, wenn die ersten Mittel am Gegengewicht und die zweiten Mittel im Aufzugschacht angeordnet sind.It is advantageous if the first means on the counterweight and the second means are arranged in the elevator shaft.
Ebenso vorteilhaft ist die Anordnung der ersten Mittel im Aufzugschacht und die Anordnung der zweiten Mittel am Gegengewicht.Also advantageous is the arrangement of the first means in the elevator shaft and the arrangement of the second means on the counterweight.
Zur Vermeidung einer eventuellen Schädigung der ersten oder zweiten Mittel, des Fahrkorbs, des Aufzugschachts oder mitfahrender Personen können die ersten und/oder zweiten Mittel, die zweckmäßigerweise aus einem harten stabilen Material wie z.B. Metall ausgebildet sind, mit elastischen Pufferelementen versehen sein, um den Fahrkorb sanft anzuhalten.In order to avoid any damage to the first or second means, the car, the hoistway or persons traveling with it, the first and / or second means, suitably made of a hard, stable material, e.g. Metal are formed to be provided with elastic buffer elements to gently stop the car.
In der den Fahrweg des Fahrkorbs oder des Gegengewichts blockierenden Stellung wird der jeweilige Fahrweg durch Wirkverbindung der ersten und zweiten Mittel derart begrenzt, dass ein Schutzraum mit einer Sicherheitshöhe im Schacht ausgebildet wird. Ein Schutzraum wird bereitgestellt, um Personen, die sich auf oder unter dem Fahrkorb befinden, nicht zu verletzen, wenn der Fahrkorb in den Schachtkopf oder in die Schachtgrube verfahren wird.In the position blocking the travel path of the car or the counterweight, the respective travel path is limited by operative connection of the first and second means in such a way that a shelter with a safety height in the shaft is formed. A shelter is provided so as not to injure persons who are on or under the car when the car is being moved into the pit head or into the pit.
Durch die beschriebenen Maßnahmen können auf einfache Weise unter Berücksichtigung geltender Sicherheitsbestimmungen die erforderlichen Schutzräume im Aufzugschacht sowohl im Schachtkopf als auch in der Schachtgrube insbesondere temporär bereitgestellt werden, ohne den Schacht dazu verlängern zu müssen.By the measures described, the necessary shelters in the elevator shaft both in the shaft head and in the pit can be provided in a simple way, taking into account applicable safety regulations, especially temporarily, without having to extend the shaft to have.
Ein erfindungsgemäßer Aufzug weist eine Einrichtung zur Erfassung der Stellung der ersten und/oder zweiten Mittel auf. Damit kann auf einfache Weise überprüft werden, ob die Bereitstellung des jeweiligen Schutzraums gewährleistet ist. Die Erfassungseinrichtung kann beispielsweise als herkömmlicher elektrischer Positions- oder Drucksensor oder als Schalter ausgebildet sein, der mit den übrigen Sicherheitsschaltungen des Aufzuges verbunden ist.An elevator according to the invention has a device for detecting the position of the first and / or second means. This can be checked in a simple manner, whether the provision of the respective shelter is guaranteed. The Detection device may be formed, for example, as a conventional electrical position or pressure sensor or as a switch, which is connected to the other safety circuits of the elevator.
In besonders bevorzugter Ausführungsform ist ein erfindungsgemäßer Aufzug mit ersten Mitteln ausgestattet, die aus der vertikalen Projektion der Fahrkorb- oder Gegengewichtsfläche wenigstens teilweise heraus- bzw. ausklappbar ausgestaltet sind.In a particularly preferred embodiment, an elevator according to the invention is equipped with first means which are at least partially designed to be able to be folded out or folded out of the vertical projection of the car or counterweight surface.
Zweckmäßigerweise weist ein erfindungsgemäßer Aufzug erste Mittel auf, die aus der vertikalen Projektion der Fahrkorb- oder Gegengewichtsfläche wenigstens teilweise heraus- bzw. verschiebbar ausgestaltet sind.Expediently, an elevator according to the invention has first means which are configured at least partially displaceable or displaceable from the vertical projection of the car or counterweight surface.
In einer Ausführungsform sind die zweiten Mittel im Aufzugschacht eines erfindungsgemäßen Aufzugs unbewegbar angeordnet. Sie können beispielsweise an den Schachtwänden oder den Führungsschienen befestigt sein, wodurch sie einen unbewegbaren starren Anschlag bilden.In one embodiment, the second means are arranged immovably in the elevator shaft of an elevator according to the invention. They may for example be attached to the shaft walls or the guide rails, whereby they form a stationary rigid stop.
In einer besonders bevorzugten Ausführungsform sind in einem erfindungsgemäßen Aufzug die zweiten Mittel im Aufzugschacht derart angeordnet, dass sie bei der Beaufschlagung durch die ersten Mittel eine vorbestimmte Wegstrecke entlang des Fahrweges bewegt werden. Die zweiten Mittel stellen damit eine vorbestimmte Verlängerung des Fahrweges bereit, die vorteilhaft zum Energieabbau durch Reibung genutzt werden kann. Dazu werden die zweiten Mittel zweckmäßigerweise im Aufzugschacht beispielsweise an einer Führungsschiene festgeklemmt. Diese bevorzugte Ausführungsform ermöglicht eine gezielte, sanfte Abbremsung des Fahrkorbs oder des Gegengewichts, wodurch auch ohne die genannte Ausstattung mit Pufferelementen eine eventuelle Schädigung der ersten und zweiten Mittel, des Fahrkorbs, des Gegengewichts oder des Aufzugschachts vermieden werden kann. Mit oder auf dem Fahrkorb fahrende Personen werden vor von ruckartigem Anhalten verursachten Verletzungen geschützt.In a particularly preferred embodiment, in an elevator according to the invention, the second means are arranged in the elevator shaft in such a way that they are moved a predetermined distance along the travel path when being acted upon by the first means. The second means thus provide a predetermined extension of the track, which can be used advantageously for energy reduction by friction. For this purpose, the second means are expediently clamped in the elevator shaft, for example on a guide rail. This preferred embodiment allows a targeted, gentle braking the car or the counterweight, whereby even without the said equipment with buffer elements a possible damage to the first and second means, the car, the counterweight or the hoistway can be avoided. Persons driving with or on the car are protected from injury caused by jerking.
Es ist von Vorteil, wenn die zweiten Mittel als Prellböcke an Fahrkorb- bzw. Führungsschienen angeordnet sind.It is advantageous if the second means are arranged as bumpers on car or guide rails.
In einer bevorzugten Ausführungsform sind in einem erfindungsgemäßen Aufzug die ersten Mittel derart angeordnet, dass sie bei der Beaufschlagung durch die zweiten Mittel eine vorbestimmte Wegstrecke entlang des Fahrweges bewegt werden. Diese Maßnahme weist die Vorteile auf, die im Zusammenhang mit der entsprechenden bevorzugten Ausbildung der zweiten Mittel erläutert wurden.In a preferred embodiment, in an elevator according to the invention, the first means are arranged such that they are moved a predetermined distance along the track when being acted upon by the second means. This measure has the advantages that have been explained in connection with the corresponding preferred embodiment of the second means.
Zweckmäßigerweise sind die ersten Mittel am Fahrkorb ohne Betreten des Fahrkorbdaches von der nicht blockierenden Stellung in die blockierende Stellung bringbar. Das Wartungspersonal muss sich somit nicht in einen Gefahrenbereich begeben, bevor die Bereitstellung des Sicherheitsraums gewährleistet ist.Conveniently, the first means on the car without entering the car roof can be brought from the non-blocking position to the blocking position. The maintenance personnel therefore need not enter a danger area before the provision of the security room is ensured.
Vorteilhafterweise sind die ersten Mittel manuell von der nicht blockierenden Stellung in die blockierende Stellung bringbar. Es erweist sich auch als vorteilhaft, wenn die ersten Mittel manuell aus einer lagestabilen nicht blockierenden Stellung in eine lagestabile blockierende Stellung drehbar sind.Advantageously, the first means can be brought manually from the non-blocking position to the blocking position. It also proves to be advantageous if the first means are manually rotatable from a positionally stable non-blocking position to a positionally stable blocking position.
In einer bevorzugten Ausgestaltung des erfindungsgemäßen Aufzugs liegt der Überschneidungsbereich der ersten Mittel und der zweiten Mittel in der vertikalen Projektion außerhalb der Fahrkorb- oder Gegengewichtsfläche.In a preferred embodiment of the elevator according to the invention, the overlapping area of the first means and the second means in the vertical projection is outside the car or counterweight area.
Insbesondere der herausgeklappte, herausgeschobene oder gedrehte Anteil der ersten Mittel kann mit den zweiten Mitteln vorteilhaft zur Begrenzung des Fahrweges in Wirkverbindung treten. Der Wirkbereich ist dabei bevorzugt außerhalb der vertikalen Fahrkorbprojektion angeordnet, um Gefährdungs- oder Quetschstellen im Fahrkorbbereich zu vermeiden. Bei allen genannten Ausführungsbeispielen lassen sich die ersten Mittel vorteilhafterweise in einfacher Weise manuell bewegen. Daher sind vorteilhafterweise keine komplizierten Betätigungsvorrichtungen notwendig, was zu einer reduzierten Fehleranfälligkeit führt. Es sei darauf hingewiesen, dass die Bewegung der ersten Mittel ebenso bevorzugt elektrisch, magnetisch, pneumatisch, hydraulisch usw. erfolgen kann.In particular, the unfolded, pushed out or rotated portion of the first means can advantageously interact with the second means for limiting the travel path. The effective range is preferably arranged outside the vertical car projection in order to avoid hazards or pinching in the car area. In all the above embodiments, the first means can advantageously be moved manually in a simple manner. Therefore, advantageously no complicated actuators are necessary, which leads to a reduced susceptibility to errors. It should be noted that the movement of the first means may also be preferably carried out electrically, magnetically, pneumatically, hydraulically, etc.
Weiterhin ist der erfindungsgemäße Aufzug mit einer Einrichtung zur Erfassung oder Überwachung der Stellung einer auf dem Fahrkorbdach oder dem Schachtgrubenboden vorgesehenen Trittplatte versehen.Furthermore, the elevator according to the invention is provided with a device for detecting or monitoring the position of a tread plate provided on the car roof or the pit floor.
Die Trittplatte deckt zweckmäßigerweise die gesamte Fläche des Fahrkorbdachs oder des Schachtgrubenbodens ab.The footplate expediently covers the entire surface of the car roof or the shaft pit floor.
In einer bevorzugten Ausführungsform des erfindungsgemäßen Aufzugs bestehen auf dem Fahrkorbdach oder auf dem Schachtgrubenboden neben der Trittplatte keine Trittflächen, die einen Aufenthalt von Personen neben der Trittplatte ermöglichen.In a preferred embodiment of the elevator according to the invention on the car roof or on the pit floor next to the footboard no treads that allow a stay of people next to the footboard.
Vorteilhafterweise liegt die Trittplatte im wesentlichen auf elastischen Federelementen auf, deren Einfederung überwachbar ist. Dazu können besonders vorteilhaft herkömmliche, preiswerte Sicherheitsschalter verwendet werden.Advantageously, the tread plate is located substantially on elastic spring elements whose deflection can be monitored. For this purpose, conventional, inexpensive safety switches can be used particularly advantageously.
Bei dem erfindungsgemäßen Aufzug ist die Verfahrbarkeit des Fahrkorbs blockiert, wenn die Einrichtung zur Erfassung oder Überwachung der Stellung der Trittplatte, insbesondere Sensoren oder Schalter, die Trittplatte in einer vorbestimmten Stellung registriert. Vorteilhaft wird die vorbestimmte Stellung beim Betreten der Trittplatte eingenommen. Die Sperrfunktion bzgl. der Verfahrbarkeit kann beispielsweise durch elektrischen Eingriff in die Steuerung oder den Antrieb bereitgestellt werden.In the elevator according to the invention, the movability of the car is blocked when the device for detecting or monitoring the position of the tread plate, in particular sensors or switches, registers the tread plate in a predetermined position. Advantageously, the predetermined position when entering the tread plate is taken. The locking function with respect to the mobility can be provided for example by electrical intervention in the controller or the drive.
Erfindungsgemäß hebt die Einrichtung zur Erfassung oder Überwachung der Stellung der ersten und/oder zweiten Mittel die Sperrfunktion der Einrichtung zur Erfassung oder Überwachung der Stellung der Trittplatte teilweise auf und macht den Fahrkorb mit reduzierter Geschwindigkeit für eine Inspektionsfahrt verfahrbar, wenn die Einrichtung zur Erfassung oder Überwachung der Stellung der ersten und/oder zweiten Mittel die ersten Mittel in ihrer blockierenden Stellung registriert.According to the invention, the means for detecting or monitoring the position of the first and / or second means partially overrides the disabling function of the means for detecting or monitoring the position of the footboard and makes the car movable at reduced speed for an inspection run when the means for detecting or monitoring the position of the first and / or second means registers the first means in its blocking position.
Wenn die den ersten Mitteln zugeordnete Erfassungseinrichtung registriert, dass sich die ersten Mittel in der blockierenden Stellung, d.h. der Stellung, die einen, z.B. temporären, Sicherheitraum gewährleistet, befinden, wird die Verfahrbarkeit insbesondere für Inspektionsfahrten wieder freigegeben. Die den ersten Mitteln und der Trittplatte zugeordneten Erfassungseinrichtungen können robust, zuverlässig und einfach beschaffen sein, so dass insbesondere die elektrische Verschaltung vom Fachmann kundenspezifisch ausgelegt, abgewandelt und geprüft werden kann.If the detection means associated with the first means registers that the first means are in the blocking position, ie the position which ensures a, eg temporary, safety space, the movability is released again, in particular for inspection journeys. The ones associated with the first means and the tread plate Detecting devices can be robust, reliable and simple, so that in particular the electrical wiring can be customized, modified and tested by the skilled person.
In einer weiteren Ausführungsform des erfindungsgemäßen Aufzugs ist eine Einrichtung zur Erfassung einer Anwesenheit von Personen auf dem Fahrkorbdach oder dem Schachtgrubenboden vorgesehen. Diese Einrichtung kann in einfacher Weise als Lichtschranke, Bewegungsmelder, Drucksensor und vieles mehr ausgestaltet sein.In a further embodiment of the elevator according to the invention, a device for detecting the presence of persons on the car roof or the pit floor is provided. This device can be configured in a simple manner as a light barrier, motion detector, pressure sensor and much more.
Zweckmäßigerweise sind bei einem erfindungsgemäßen Aufzug in der Schachtgrube dritte Mittel in den Fahrweg des Fahrkorbs oder den Fahrweg des Gegengewichts einbringbar, um den jeweiligen Fahrweg zu begrenzen. Diese Mittel können zweckmäßig und robust als Aufsetzstützen ausgebildet sein. Durch die beschriebene Anordnung im Fahrweg des Gegengewichts ist ein Sicherheitsraum im Schachtkopf bereitstellbar, durch die beschriebene Anordnung im Fahrweg des Fahrkorbs ist ein Sicherheitsraum in der Schachtgrube bereitstellbar. Die dritten Mittel werden neben der Nutzung bei einer Wartung besonders zweckmäßig während der Montage eingesetzt, wenn die übrigen vorgesehenen Sicherheitseinrichtungen und Fahrwegbegrenzungsmittel noch nicht vollständig betriebsbereit oder vorübergehend außer Betrieb sind.Expediently, in an elevator according to the invention in the shaft pit, third means can be introduced into the travel path of the car or the travel path of the counterweight in order to limit the respective travel path. These agents can be useful and robust designed as Aufsetzstützen. The described arrangement in the track of the counterweight a security room in the shaft head is available, by the described arrangement in the route of the car, a security room in the pit is available. The third means are used in addition to the use of a maintenance particularly useful during assembly, if the other provided safety devices and Fahrwegbegrenzungsmittel are not yet fully operational or temporarily out of service.
Erfindungsgemäß ist ferner ein Fahrkorb für einen Aufzug mit ersten Mitteln, die wenigstens teilweise aus der vertikalen Projektion der Fahrkorbfläche heraus bewegbar sind und zur Begrenzung des Fahrweges des Fahrkorbs mit zweiten Mitteln, die in einem Aufzugschacht angeordnet sind, in Wirkverbindung bringbar sind, ausgestattet, wobei eine Einrichtung zur Erfassung oder Überwachung der Stellung einer auf dem Fahrkorbdach vorgesehenen Trittplatte und eine Einrichtung zur Erfassung oder Überwachung der Stellung der ersten Mittel vorgesehen sind, wobei die Verfahrbarkeit des Fahrkorbs blockiert ist, wenn die Einrichtung zur Erfassung oder Überwachung der Stellung der Trittplatte die Trittplatte in einer vorbestimmten Stellung registriert, und wobei die Einrichtung zur Erfassung oder Überwachung der Stellung der ersten Mittel die Sperrfunktion der Einrichtung zur Erfassung oder Überwachung der Stellung der Trittplatte teilweise aufhebt, wenn die Einrichtung zur Erfassung oder Überwachung der Stellung der ersten Mittel die ersten Mittel in ihrer blockierenden Stellung registriert.According to the invention, a car for an elevator with first means, which are at least partially movable out of the vertical projection of the car area and for limiting the travel of the car with second means arranged in an elevator shaft are provided in operable equipped with means for detecting or monitoring the position of provided on the car roof tread plate and means for detecting or monitoring the position of the first means are provided, wherein the mobility of the car is blocked when the device for detecting or monitoring the position of the treadboard registers the tread plate in a predetermined position, and wherein the means for detecting or monitoring the position of the first means partially overrides the disabling function of the means for detecting or monitoring the position of the treadle when the means for detecting or Monitoring the position of the first means the first means registered in their blocking position.
Vorteilhafterweise weisen die ersten Mittel eines erfindungsgemäßen Fahrkorbs die Merkmale der ersten Mittel eines Ausführungsbeispiels eines erfindungsgemäßen Aufzugs auf.Advantageously, the first means of a car according to the invention on the features of the first means of an embodiment of an elevator according to the invention.
Weitere Vorteile und Ausgestaltungen der Erfindung ergeben sich aus der Beschreibung und der beiliegenden Zeichnung.Further advantages and embodiments of the invention will become apparent from the description and the accompanying drawings.
Es versteht sich, daß die vorstehend genannten und die nachstehend noch zu erläuternden Merkmale nicht nur in der jeweils angegebenen Kombination, sondern auch in anderen Kombinationen oder in Alleinstellung verwendbar sind, ohne den Rahmen der vorliegenden Erfindung zu verlassen.It is understood that the features mentioned above and those yet to be explained not only in the particular combination given, but also in other combinations or alone, without departing from the scope of the present invention.
Im Folgenden sollen die Erfindung und insbesondere deren Vorteile anhand eines in den Figuren dargestellten Ausführungsbeispiels näher erläutert werden.In the following, the invention and in particular its advantages with reference to an embodiment shown in the figures will be explained in more detail.
Es zeigt
Figur 1- einen Ausschnitt eines Fahrkorbdachs mit einer bevorzugten Ausführungsform der ersten Mittel in einer ersten Stellung;
- Figur 2
- einen Ausschnitt eines Fahrkorbdachs mit einer bevorzugten Ausführungsform der ersten Mittel in einer zweiten Stellung und eine bevorzugte Ausführungsform der zweiten Mittel;
Figur 3- eine größeren Ausschnitt eines Fahrkorbdachs mit einer bevorzugten Ausführungsform der ersten Mittel in einer ersten Stellung;
- Figur 4
- eine bevorzugte Ausführungsform der dritten Mittel, die in der Schachtgrube angeordnet werden; und
Figur 5- eine Querschnittsansicht einer bevorzugten Ausführungsform eines Aufzugs von der Seite;
- FIG. 1
- a detail of a car roof with a preferred embodiment of the first means in a first position;
- FIG. 2
- a section of a car roof with a preferred embodiment of the first means in a second position and a preferred embodiment of the second means;
- FIG. 3
- a larger section of a car roof with a preferred embodiment of the first means in a first position;
- FIG. 4
- a preferred embodiment of the third means, which are arranged in the pit; and
- FIG. 5
- a cross-sectional view of a preferred embodiment of an elevator from the side;
Auf dem Fahrkorbdach 1 sind bewegbare erste Mittel insgesamt mit 100 bezeichnet und als ausklappbarer Metallbügel ausgebildet. Der Metallbügel befindet sich in
Der Metallbügel 100 ist an den Befestigungs- und Drehpunkten 104a, 104b dreh- und ausklappbar befestigt. An der Innenseite des Metallbügels ist eine weitere Erfassungseinrichtung 105 angebracht, die die Stellung des Metallbügels erfaßt. Der Fahrkorb wird mittels Rollen 200 entlang der aus einem Schienenkopf 301 und einem Schienenfuß 302 bestehenden Führungsschiene 300 geführt.The
Die Erfassungseinrichtung 105 ist als Sicherheitsschalter ausgebildet und weist einen Schaltstift 105a auf. In der gezeigten nicht blockierenden (eingeklappten) Stellung des Metallbügels 100 tritt der Schaltstift 105a aus dem Sicherheitsschalter 105 heraus. In der in
Betritt eine Person die Trittplatte 3 auf dem Fahrkorbdach 1, werden die der Trittplatte zugeordneten Erfassungseinrichtungen 5 (
In
Im Aufzugschacht an der Führungsschiene 300 sind die zweiten Mittel 400 angebracht, die als Aufprallrahmen in der Art eines Prellbocks ausgebildet sind. Der Aufprallrahmen weist einen U-förmigen Grundkörper 404 und daran ausgebildete Aufprallflächen 401a, 401b auf. Die Aufprallflächen ragen in die senkrechte Projektion der Anschlagflächen 103a, 103b des ausgeklappten Metallbügels 100 und können mit den Anschlagflächen 103a, 103b des Metallbügels 100 in der blockierenden Stellung des Metallbügels in Wirkverbindung treten, d.h. die Aufprallflächen dienen als Anschläge für die Anschlagflächen 103a, 103b. Durch die Wirkverbindung des Metallbügels 100 mit dem Aufprallrahmen 400 ist die Verfahrbarkeit des Fahrkorbs beschränkt.In the elevator shaft on the
Im gezeigten Ausführungsbeispiel ist die Verfahrbarkeit des Fahrkorbs nach oben beschränkt, so dass über dem Fahrkorbdach 1 ein (temporärer) Sicherheitsraum bereitstellbar ist, insbesondere wenn sich Wartungspersonal auf den Fahrkorbdach 1 befindet.In the illustrated embodiment, the mobility of the car is limited upwards, so that over the
Der Aufprallrahmen 400 ist mittels einer Befestigungseinrichtung 402 an der Führungsschiene 300 befestigt, insbesondere festgeklemmt. Die Befestigungseinrichtung 402 stellt durch die Festklemmung vorteilhaft eine Bewegbarkeit des Aufprallrahmens 400 über eine vorbestimmte Wegstrecke 403 mit einem bestimmbaren Kraftaufwand bereit. Durch die bereitgestellte Bewegbarkeit kann vorteilhaft die Geschwindigkeit des Fahrkorbs mittels Reibkraft über eine Wegstrecke abgebaut werden, wodurch der Fahrkorb nicht zu einem ruckartigen Stillstand gelangt.The
Neben der Führungsschiene 300 sind Tragseile 600 angeordnet, die den Aufzug tragen oder mit einem Gegengewicht verbinden.In addition to the
Die Rollen 200 sind mittels eines Rollenträgers 201 und einer Rollenstütze 202 am Fahrkorbdach 1 befestigt. Der Fahrkorb wird mittels der Rollen entlang der Führungsschiene 300 geführt.The
Der Sicherheitsschalter 105 kommt mit seinem Schaltstift 105a mit dem Fahrkorbdach 1 oder darauf angebrachten Bauteilen in Kontakt, wodurch der Sicherheitsschalter 105 betätigt wird. Damit wird die geschlossene, blockierende Stellung des Metallbügels 100 registriert.The
In
Der ausklappbare Metallbügel 100 ist in der geöffneten, nicht blockierenden Stellung gezeigt. Der Schaltstift 105a befindet sich außerhalb des Sicherheitsschalters 105. Auf dem Fahrkorbdach 1 sind weitere Erfassungseinrichtungen 5 angeordnet, die als Sicherheitsschalter ausgebildet sind und durch Betreten und damit Absenken der Trittplatte 3 betätigt werden. Durch die Betätigung der Sicherheitsschalter 5 wird die Verfahrbarkeit des Fahrkorbs unterbunden. Dies kann beispielsweise dadurch geschehen, dass die Sicherheitsschalter 5 in einen Sicherheitskreis des Aufzuges so eingebunden sind, dass die Stromzufuhr zum Aufzugsmotor unterbrochen wird. Auch eine elektrische oder hydraulische Lüftung der Fahrkorbbremsen kann auf diese Weise unterbunden werden.The
Durch diese Maßnahmen kann gewährleistet werden, dass der Fahrkorb nicht mehr weiter verfahren werden, wenn sich eine Person auf dem Fahrkorbdach befindet.These measures can be used to ensure that the car is no longer moved when a person is on the car roof.
Beabsichtigt eine Person auf dem Fahrkorbdach 1 den Fahrkorb insbesondere für eine Inspektionsfahrt zu verfahren, ist es notwendig, dass der Metallbügel 100 in die geschlossene Stellung gebracht wird. Dazu klappt die Person auf dem Fahrkorbdach den Metallbügel in die geschlossene Stellung. Sind auf dem Fahrkorbdach mehrere erste Mittel angeordnet, ist es zweckmäßig, wenn alle ersten Mittel in eine Sicherheitsstellung bewegt werden müssen, bevor die Verfahrbarkeit des Fahrkorbs freigegeben wird.If a person intends to move the car on the
Die geschlossene Stellung, also die Sicherheitsstellung, des Metallbügels 100 wird vom Sicherheitsschalter 105 registriert, der beispielsweise so geschaltet sein kann, dass die der Trittplatte 3 zugeordneten Sicherheitsschalter 5 überbrückt werden. Dadurch wird die Verfahrbarkeit des Fahrkorbs mit Inspektionsgeschwindigkeit entlang der Führungsschienen 300 wieder freigegeben.The closed position, that is to say the safety position, of the
In
Die dritten Mittel 700 sind als Aufsetzstütze ausgebildet und weisen eine Rückwand 701 und Seitenteile 702a, 702b auf, die zusammen einen U-förmigen Querschnitt bilden. Die Seitenteile weisen an ihrem unteren Ende nach außen weisende Fußplatten auf. An ihrer Oberseite weist die Aufsetzstütze 700 zwei Puffer 703 auf, die ein gepuffertes Aufsetzen des Fahrkorbs bzw. des Gegengewichts erlauben, um Schädigungen am Fahrkorb bzw. am Gegengewicht oder an mitfahrenden Personen zu verhindern. Im Übrigen kann die Aufsetzstütze auch eine andere Anzahl von Puffern, wie z.B. einen, drei usw., aufweisen.The third means 700 are formed as Aufsetzstütze and have a
Unter der Aufsetzstütze 700 ist eine Pufferstütze 800 gezeigt. Die Pufferstütze 800 ist als fest im Schacht angeordnete Pufferstütze ausgebildet. Sie weist eine Fußplatte 801 auf, mit der sie in der Schachtgrube unter dem Fahrkorb oder unter dem Gegengewicht befestigt ist. Die feste Pufferstütze 800 stellt die Puffer für den normalen Aufzugbetrieb für den Fahrkorb bzw. das Gegengewicht bereit.Under the Aufsetzstütze 700 a
Sie ist an ihrer Oberseite mit Puffern 803 ausgestattet. Daneben weist sie an ihrer Oberseite am Rand zwei Führungen 802a, 802b auf, in die die Aufsetzstütze 700 mit ihren Fußplatten einbringbar bzw. einschiebbar ist. Die Führungen 802a, 802b weisen an ihren Enden Anschläge auf, die einen Anschlag für das Einschieben der Fußplatten bilden. Daneben sind auch andere Befestigungsformen denkbar. Beispielsweise kann die Aufsetzstütze 700 dreh-, klapp- und/oder kippbar an Trägervorrichtungen befestigt sein, um so auf einfache Weise zwischen einer Stellung im Fahrweg des Aufzugkorbs, einer Stellung im Fahrweg des Gegengewichts und einer Stellung außerhalb beider Fahrwege bewegbar zu sein.It is equipped with
In der gezeigten Stellung wird ein Schutzraum mit einer Sicherheitshöhe, die mit der kumulierten Länge 704 der beiden Pufferstützen korrespondiert, bereitgestellt. Wird die Aufsetzstütze 700 unter dem Fahrkorb angebracht, verhindert sie eine Verfahrbarkeit des Fahrkorbs bis zum Schachtboden. Unter dem Fahrkorb in der Schachtgrube wird somit ein Schutzraum bereit gestellt.In the position shown, a shelter with a safety height corresponding to the
Wird die Aufsetzstütze 700 unter dem Gegengewicht angebracht, verhindert sie die Verfahrbarkeit des Gegengewichts bis zum Schachtboden, wodurch die Verfahrbarkeit des mit dem Gegengewicht über Seile verbundenen Fahrkorbs bis zur Schachtdecke verhindert wird. Dadurch wird über dem Fahrkorb unter der Schachtdecke ein Schutzraum bereitgestellt.If the
Das Einbringen der Aufsetzstütze 700 kann vorzugsweise auch dann geschehen, wenn die übrigen Sicherheitseinrichtungen, beispielsweise bei der Montag des Aufzuges, noch nicht vollständig beschaltet oder aus einem anderen Grund außer Betrieb sind.The introduction of the
In
Der Aufzugschacht 10 weist Öffnungen oder Türen 14 zu Stockwerken auf, durch die der Fahrkorb betreten und verlassen werden kann. Insbesondere ist durch die Türen auch das Fahrkorbdach 1 betretbar.The
Am Fahrkorbdach 1 ist wenigstens ein Metallbügel 100 angeordnet, der mit wenigstens einem Aufprallrahmen 400, der an der Führungsschiene 300 angeordnet ist, in Wirkverbindung treten kann.On the
Befindet sich der Metallbügel in einer eingeklappten Stellung, ist der Fahrkorb 11 entlang der Führungsschienen 300 frei verfahrbar. Befindet sich der Fahrkorb in seiner obersten Position, ist im Schachtkopf 16 über dem Fahrkorbdach 1 ein Freiraum mit einer Höhe 20 vorhanden, der nicht als Sicherheitsraum für eine Person ausreicht.If the metal bracket is in a folded-in position, the
Befindet sich hingegen der Metallbügel 100 in einer ausgeklappten Stellung, wird durch Wirkverbindung mit dem Aufprallrahmen 400 eine Verfahrbarkeit über die in
Durch die Wirkverbindung des Metallbügels 100 und des Aufprallrahmens 400 wird im Schachtkopf 16 ein zusätzlicher Sicherheitsraum mit einer Höhe 21 bereitgestellt und gewährleistet, wodurch sich die gesamte Sicherheitshöhe über dem Fahrkorb aus den Höhen 20 und 21 zusammensetzt.Due to the operative connection of the
Claims (23)
- Lift with a lift cage (11) which is positioned in a lift shaft (10) so that it may move along a travel path between the top (16) of the shaft and the shaft cavity (15), temporary shelters being made available for assembly and maintenance purposes in the top (16) of the shaft and/or in the shaft cavity (15), movable first means (100) being provided on the lift cage (11) which may be operatively connected to second means (400), positioned in the lift shaft (10), for restricting the travel path of the lift cage, a device (105) being provided for detecting or monitoring the position of the first means (100) and/or the second means (400), characterised in that the moveability of the lift cage (11) is blocked when a device (5) for detecting or monitoring the position of a tread plate (3) provided on the roof (1) of the lift cage or on the bottom of the shaft cavity registers the tread plate in a predetermined position, the device (105) for detecting or monitoring the position of the first means (100) and/or second means (400) partly cancels the blocking function of the device (5) for detecting or monitoring the position of the tread plate (3) when the device (105) for detecting or monitoring the position of the first means (100) registers the first means (100) in the blocking position thereof.
- Lift according to claim 1, characterised in that the first means (100) are substantially positioned on the roof (1) of the lift cage and/or on the bottom of the lift cage.
- Lift, in particular cable lift, with a lift cage (11) which is positioned in a lift shaft (10) so that it may move along a travel path between the top (16) of the shaft and the shaft cavity (15), and with a counterweight (12) in the lift shaft, temporary shelters being made available for assembly and maintenance purposes in the top (16) of the shaft and/or in the shaft cavity (15), moveable first means being provided which are associated with the counterweight (12) and may be operatively connected to second means for restricting the travel path of the counterweight, a device (105) for detecting or monitoring the position of the first means (100) and/or second means (400) being provided, characterised in that the moveability of the lift cage (11) is blocked when a device (5) for detecting or monitoring the position of a tread plate (3) provided on the roof (11) of the lift cage or on the bottom of the shaft cavity registers the tread plate in a predetermined position, the device (105) for detecting or monitoring the position of the first means (100) partly cancelling the blocking function of the device (5) for detecting or monitoring the position of the tread plate (3) when the device (105) for detecting or monitoring the position of the first means (100) registers the first means (100) in the blocking position thereof.
- Lift according to claim 3, characterised in that the first means are positioned on the counterweight (12) and the second means are positioned in the lift shaft (10).
- Lift according to claim 3, characterised in that the first means are positioned in the lift shaft (10) and the second means are positioned on the counterweight (12).
- Lift according to any one of the preceding claims, characterised in that the first means (100) are configured such that they may be at least partly folded out of the vertical projection of the lift cage surface or counterweight surface.
- Lift according to any one of the preceding claims, characterised in that the first means (100) are configured such that they may be at least partly moved out of the vertical projection of the lift cage surface or counterweight surface.
- Lift according to any one of the preceding claims, characterised in that the second means (400) are positioned so that they cannot move in the lift shaft (10).
- Lift according to any one of the preceding claims, characterised in that the second means (400) are positioned in the lift shaft (10) such that they are moved by a predetermined distance (403) when acted on by the first means (100).
- Lift according to any one of the preceding claims, characterised in that the second means (400) are positioned in the lift shaft (10) as buffers on lift cage tracks (300).
- Lift according to any one of the preceding claims, characterised in that the first means (100) are positioned on the lift cage (11) or on the counterweight (12) such that they are moved by a predetermined distance when acted on by the second means (400).
- Lift according to any one of the preceding claims, characterised in that the first means (100) on the lift cage (11) may be brought into the blocking position from the non-blocking position without treading on the roof (1) of the lift cage.
- Lift according to any one of the preceding claims, characterised in that the first means (100) may be brought manually into the blocking position from the non-blocking position.
- Lift according to any one of the preceding claims, characterised in that the first means (100) may be rotated manually into a positionally stable blocking position from a positionally stable non-blocking position.
- Lift according to any one of the preceding claims, characterised in that the intersection area between the first means (100) and the second means (400) is located outside the lift cage surface or counterweight surface in the vertical projection.
- Lift according to any one of the preceding claims, characterised in that the tread plate (3) covers the entire surface of the roof (1) of the lift cage or of the bottom of the shaft cavity.
- Lift according to any one of the preceding claims, characterised in that there are no treads allowing persons to remain standing next to the tread plate on the roof (1) of the lift cage or on the bottom of the shaft cavity next to the tread plate (3).
- Lift according to any one of the preceding claims, characterised in that the tread plate (3) substantially rests on resilient spring elements, the spring deflection of which may be monitored.
- Lift according to any one of the preceding claims, characterised in that the device (105) for detecting or monitoring the position of the first means (100) and/or second means (400) partly cancels the blocking function of the device (5) for detecting or monitoring the position of the tread plate (3) and renders the lift cage (11) moveable at a reduced speed for an inspection run when the device (105) for detecting or monitoring the position of the first means (100) and/or second means registers the first means (100) in the blocking position thereof.
- Lift according to any one of the preceding claims, characterised by a device for detecting the presence of persons on the roof (1) of the lift cage or on the bottom of the shaft cavity.
- Lift according to any one of the preceding claims, characterised in that third means (700) in the shaft cavity may be introduced into the travel path of the lift cage (11) or into the path of the counterweight (12) to restrict the respective travel path.
- Lift cage (11) for a lift, with first means (100) which may be moved at least partly out of the vertical projection of the lift cage surface and may be operatively connected to second means (400) positioned in a lift shaft, to restrict the travel path of the lift cage, and with a device (105) for detecting or monitoring the position of the first means (100), characterised by a device (5) for detecting or monitoring the position of a tread plate (3) provided on the roof (1) of the lift cage, the moveability of the lift cage (11) being blocked when the device (5) for detecting or monitoring the position of the tread plate (3) registers said tread plate in a predetermined position, the device (105) for detecting or monitoring the position of the first means (100) partly cancelling the blocking function of the device (5) for detecting or monitoring the position of the tread plate (3) when the device (105) for detecting or monitoring the position of the first means (100) registers the first means (100) in the blocking position thereof.
- Lift cage (11) according to claim 22, characterised by first means (100) according to any one of claims 2, 6, 7 or 11 to 15.
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE502004006211T DE502004006211D1 (en) | 2004-12-23 | 2004-12-23 | Elevator and car |
ES04030734T ES2277803T3 (en) | 2004-12-23 | 2004-12-23 | ELEVATOR AND CABIN. |
EP04030734A EP1674416B1 (en) | 2004-12-23 | 2004-12-23 | Elevator and elevator car |
AT04030734T ATE385986T1 (en) | 2004-12-23 | 2004-12-23 | ELEVATOR AND CAR |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP04030734A EP1674416B1 (en) | 2004-12-23 | 2004-12-23 | Elevator and elevator car |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1674416A1 EP1674416A1 (en) | 2006-06-28 |
EP1674416B1 true EP1674416B1 (en) | 2008-02-13 |
Family
ID=34927992
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP04030734A Not-in-force EP1674416B1 (en) | 2004-12-23 | 2004-12-23 | Elevator and elevator car |
Country Status (4)
Country | Link |
---|---|
EP (1) | EP1674416B1 (en) |
AT (1) | ATE385986T1 (en) |
DE (1) | DE502004006211D1 (en) |
ES (1) | ES2277803T3 (en) |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2008004022A1 (en) | 2006-06-30 | 2008-01-10 | Otis Elevator Company | Elevator having a shallow pit and/or a low overhead |
WO2008004021A1 (en) * | 2006-06-30 | 2008-01-10 | Otis Elevator Company | Safety device for securing minimum spaces at the top or bottom of an elevator shaft being inspected, and elevator having such safety devices |
FI120906B (en) | 2007-12-21 | 2010-04-30 | Kone Corp | Elevator |
FI120788B (en) | 2008-06-30 | 2010-03-15 | Kone Corp | Elevator arrangement |
DE102010028683A1 (en) * | 2010-05-06 | 2011-11-10 | Karl Schnell Gmbh & Co. Kg | Filling machine for filling pasty mass |
WO2013095408A1 (en) | 2011-12-21 | 2013-06-27 | Otis Elevator Company | Elevator system including a car stop for maintaining overhead clearance |
FI125176B (en) | 2014-01-21 | 2015-06-30 | Kone Corp | Elevator provided with a safety equipment arrangement |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH11130358A (en) * | 1997-10-30 | 1999-05-18 | Toshiba Corp | Drum winding elevator |
FR2795060B1 (en) * | 1999-06-17 | 2001-08-17 | Gilles Antras | SAFETY DEVICE FOR ELEVATOR TECHNICIAN TO AVOID CRUSHING OF THE SAME BETWEEN THE CAB AND THE CEILING OF THE CAGE |
JP2002020062A (en) * | 2000-07-07 | 2002-01-23 | Mitsubishi Electric Corp | Elevator cage device |
DE10052459A1 (en) * | 2000-10-23 | 2002-05-02 | Mueller Wolfgang T | Devices for formation of protection space for lifts without machine space with reduced shaft has retractable apron designed as stable frame open upwards which is slid in guides mounted on cabin or in shaft head |
GB2379654A (en) * | 2001-09-18 | 2003-03-19 | Imre Maszlik | Lift maintenance safety system |
JP2004149258A (en) * | 2002-10-30 | 2004-05-27 | Hitachi Building Systems Co Ltd | Balance weight supporting device of elevator |
DE602004001274T2 (en) * | 2003-03-31 | 2007-05-31 | Inventio Ag, Hergiswil | Holding bar for the creation of a temporary security room in a lift shaft |
EP1479636A1 (en) * | 2003-05-21 | 2004-11-24 | Inventio Ag | Buffer that can create a safety inspection zone for elevators |
-
2004
- 2004-12-23 ES ES04030734T patent/ES2277803T3/en active Active
- 2004-12-23 AT AT04030734T patent/ATE385986T1/en active
- 2004-12-23 EP EP04030734A patent/EP1674416B1/en not_active Not-in-force
- 2004-12-23 DE DE502004006211T patent/DE502004006211D1/en active Active
Also Published As
Publication number | Publication date |
---|---|
EP1674416A1 (en) | 2006-06-28 |
ES2277803T3 (en) | 2008-07-01 |
DE502004006211D1 (en) | 2008-03-27 |
ES2277803T1 (en) | 2007-08-01 |
ATE385986T1 (en) | 2008-03-15 |
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