EP3228575A1 - Agencement de porte d'ascenseur doté d'un verrouillage - Google Patents

Agencement de porte d'ascenseur doté d'un verrouillage Download PDF

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Publication number
EP3228575A1
EP3228575A1 EP17164843.9A EP17164843A EP3228575A1 EP 3228575 A1 EP3228575 A1 EP 3228575A1 EP 17164843 A EP17164843 A EP 17164843A EP 3228575 A1 EP3228575 A1 EP 3228575A1
Authority
EP
European Patent Office
Prior art keywords
door
car
locking
pivot lever
unlocking
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.)
Withdrawn
Application number
EP17164843.9A
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German (de)
English (en)
Inventor
Rolf Schepers
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Osma-Aufzuege Albert Schenk & Cokg GmbH
Original Assignee
Osma-Aufzuege Albert Schenk & Cokg GmbH
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Osma-Aufzuege Albert Schenk & Cokg GmbH filed Critical Osma-Aufzuege Albert Schenk & Cokg GmbH
Publication of EP3228575A1 publication Critical patent/EP3228575A1/fr
Withdrawn legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
    • B66B13/00—Doors, gates, or other apparatus controlling access to, or exit from, cages or lift well landings
    • B66B13/02—Door or gate operation
    • B66B13/12—Arrangements for effecting simultaneous opening or closing of cage and landing doors

Definitions

  • the invention also relates to a corresponding method controlled by the control for locking and unlocking a car door which is movable by a door drive via a door driver.
  • Door arrangements with locks of the car door are from the writings EP 0 484 169 B1 and DE 20 2009 007 268 U1 known. If the car is outside the stopping station, the landing door of this stopping station must be locked in the closed position to avoid the risk of people falling through the open shaft door into the elevator shaft. Usually, only the car door has a door drive. The shaft door is then taken with a movement of the car door in a holding station via a mechanism.
  • the control usually consists of hardware and software having appropriate programming for controlling the various door functions.
  • the landing door In order to be able to take the landing door with the car door when the car is retracted into the holding station, the landing door must first be unlocked before it is opened and must be securely locked again before the car starts again after closing.
  • various technical solutions are known. Very common for the locking of shaft doors are spreader blades that unlock the shaft doors when they are moved apart at a holding station. The Sp Schwarzthroter can unlock the shaft doors only when the car is in the unlocking a holding position.
  • the standard DIN EN 81-20: 2014 places increased demands on the locking of the doors.
  • a force of more than 50 N must be required to open it while driving, and further, with a force of 1,000 N on the locking mechanism, it must not be possible to open the door more than 50 mm when the car is located outside a holding station.
  • the known devices for locking and unlocking the doors are very expensive designed to meet these requirements.
  • the mechanism is designed so that a pivot lever and a hook bolt are connected to each other via a compression spring, that the hook latch remains in its locked position until the control surfaces of the Sp DrISShetes are pivoted about driving rollers of the shaft doors in a spatial position in which one with the Control surfaces via a handlebar connected control link pivots in a switching position in which the hook bolt can be pivoted about a pressed by the compression spring rocker arm into a release position.
  • the device has a hook latch, a pivot lever, an additional operating lever, a set of the compression spring tensioned pawl, a rocker arm, a handlebar and a control link to allow the locking and unlocking.
  • This device is mechanically very complicated and requires many components, so that the mechanics in the desired way works. These components must also be precisely matched to work in the desired manner. This complicates the maintenance and servicing of the elevator system.
  • a disadvantage of the mechanism disclosed here is also to be seen in the fact that the car door outside a landing door in a position in which no driver rollers abut the control surfaces of the Sp Dr.tes can not be unlocked. If the drive rollers are not in a specific position on the expansion blade, the mechanism is blocked. This can significantly complicate or delay the evacuation of people in the event of fire or other disturbances.
  • the mechanical compression spring only holds the latch in a locked position, when the rocker arm has released the hook latch.
  • the device of the invention allows a simple and cost-effective manner a secure locking and unlocking the car door and the landing door, wherein the lock in the operation of the door drive when opening the doors on the inventively designed mechanism inevitably repealed both for the car door and the landing door and just as inevitably when closing the doors is restored.
  • the security that the lock is released only within the unlocking zone, is ensured by the electronic control.
  • the door drive can not only open and close the car doors, but also the locks of the car doors and shaft doors. This reduces the mechanical complexity of the locking device and its manufacturing costs.
  • the mechanism is quieter and more compact than the known locking technology and because of the robust executable mechanical components less prone to failure. Normal driving of the car is only possible when the car door is closed and locked and the shaft doors are locked.
  • the door drive starts.
  • door drive for example, a toothed belt moved by an electric motor can be used.
  • the driving pin With the timing belt, the driving pin is firmly connected, which moves when starting the door drive with the toothed belt in the direction of movement. Since the driving pin is firmly connected to the pivot lever, moves with the driving pin inevitably also the pivot lever in the direction of movement of the door drive.
  • This movement of the driving pin and the pivot lever is used to simultaneously raise the hook bolt via a control link from the locking position to the open position, whereby the car door is unlocked, and to move the Sp Schwarzhet over the actuated by the pivot lever pivot angle from the locked position to the release position the shaft door is unlocked.
  • the first movement impulse of the door drive is thus used to unlock the car door and the shaft door via the driving pin before one of these doors has moved.
  • the Verschwenkweg the pivot lever between the attacks is sufficient to unlock both doors.
  • the pivot lever then abuts against the stop positioned in the direction of movement, the pivoting movement of the pivot lever ends, another pivotal movement is blocked by the stop. Therefore, the further acting on the driving pin conveying movement of the door drive is transmitted via the pivot lever on the Mosmit protagonist and on this on the car door, which thereby begins to move in the conveying direction. Since the lock has been released before, the car door can now open unhindered.
  • the shaft door is unlocked via the spreader blade and taken with it, so that it does not need its own door drive.
  • the locking mechanism can be easily and compactly mounted on a support plate which is connected to the car and / or a car door.
  • On the support plate of the pivot lever and the hook bolt can be mounted as essential mechanically movable parts of the proposed locking device. If the support plate is connected to a car door, the drive movement of the door drive via the swivel angle and the support plate on the car door and from this car door - for example via a cable - can be transferred to the other car door. From the driven car door, the driving force can also be transmitted to the shaft doors at a holding station of the car.
  • the hook bolt and the counter-plate can be made so solid that they also meet the increased requirements of the standard DIN EN 81-20: 2014 on the minimum holding forces fulfill.
  • the hook of the hook bolt can engage behind the counter sheet with an overlap of, for example, 10 mm or more in order to build up high holding forces.
  • the locking according to the invention can be carried out so that an unlocking of the car door is also possible outside the area of a holding station or a shaft door.
  • additional mechanical and / or electronic locking elements can be provided which can be configured from the outside operable and / or remote-controlled.
  • the object is achieved for a generic method by the locking of the car door by means of a hook bolt which is movable between a locking position and an open position back and forth, wherein the hook bolt is moved via a pivot lever connected to the door drive, the is connected via a driving pin with the door drive and the driving pin transmits an exerted on him door drive movement force on the pivot lever.
  • a safety switch for monitoring the locking position is arranged on the hook latch, and the control of the door assembly determines via the safety switch, whether the hook latch is in the locked position.
  • the controller can check whether the hook bolt has been successfully moved with the car door closed by the pivot lever in a locking position and a proper locking state of the car door is present. Depending on the programming of the controller, this can trigger defined follow-up functions depending on the electronically reliably detected locking state, such as, for example, starting up the car or entering a holding station. After a program-controlled interrogation of the locking state, the controller can unlock the car door even under defined conditions by pressing the door drive again. If the controller can not detect proper interlocking via the safety switch, although this is required for a follower function, it can block the follower function, switch to a fault mode and trigger follow-up actions such as opening the car door, a fault signal in and / or outside the car activate or inform customer service.
  • the pivot lever and / or the hook bolt are held by a tension spring in a pivoting position. Due to the tension spring are undesirable in the pivot lever and / or the hook bolt, the current pivot position not corresponding changes in position movements and vibrations of the car avoided.
  • the tension spring may in particular be tensioned between the hook bolt and the pivot lever, so that both components are held together by the tension spring.
  • a safety switch for monitoring the locking position is arranged on the hook latch.
  • the safety switch can be connected as a sensor to the control of the elevator installation. With the safety switch can be checked for example via a contact bridge on the controller, whether the hook latch is in the locked position.
  • the safety switch may, for example, be a contact bridge with a safety switch according to EN 81-20, 5.11.2.2.
  • the control unit only starts the elevator drive for the car waiting in a holding station for a new drive when the safety switch signals the correct locking position of the hook bolt. It is therefore not possible for the car to move with an unlocked car door.
  • the safety switch can also be used to determine whether the hook bolt has also opened properly when the door drive is started.
  • the controller can immediately detect this and initiate necessary countermeasures, such as generating a fault message to the maintenance service and sending it electronically or displaying the fault in the car.
  • necessary countermeasures such as generating a fault message to the maintenance service and sending it electronically or displaying the fault in the car.
  • the hook bolt is mechanically locked in the locking position by a locking element arranged on the pivot lever.
  • the mechanical interlock prevents at any time that the car door can be opened without authorization, for example while driving in the elevator shaft or when the car is at a standstill.
  • the locking element on the pivot lever is shaped and positioned on the pivot lever that it moves out of the locking position with a movement of the pivot lever by the door drive, so that the hook latch can then easily pivot out of the locked position.
  • the controller suspends the locking of the car and the landing door by a control command to the door drive when detected fault states of the elevator when the car is within a specified zone to a stop position.
  • This cancellation provides a way to respond to a fault condition.
  • a fault condition could be, for example, a failure of the power supply in the power grid.
  • the controller can then unlock the doors with an emergency power supply by turning on the door drive so that the hook latch and the expansion blade open the existing latch unless the components of the door control and door drive are affected by the fault itself. In this case, for example, people locked in the car can free themselves.
  • the specified zone around a holding position may be, for example, a measure of +/- 10 mm to the flush of the car floor to the building-side threshold.
  • the car If the car is outside the specified one Zone, but still within the unlocking zone, it may be provided to unlock the door by pressing the "door open” button and to open manually or by motor. In order to reduce stumbling hazards due to the present stage, provision may be made to close the door again after a certain waiting time and / or to visually and / or acoustically indicate the risk of stumbling.
  • the control unlocks the car and the landing door at an approach of the car of up to +/- 350 mm to the flush of the car floor to the building side threshold of a landing door at a holding station.
  • This cancellation provides a way to respond to a fault condition. Due to the possibility of automatic unlocking already at an approach to a holding station and not only in the state after accurate approach of the car in the target holding position, the door opening in the function "entrance with early opening doors" is also possible with previously locked door. Self-emptying of persons is possible in a simplified way in the event of fault states in elevator operation.
  • the controller detects the fault condition and lifts the lock of the car and landing door when the car is in a range of up to +/- 350 mm to the flush of the car floor to the building side threshold of a landing door at a holding station.
  • the lift is stopped and the "door open" button in the car control panel is pressed, the door can be opened.
  • the hook bolt is fixed in position in the open position via a locking nose adjacent to a control edge, in which the locking element is held in the open position of the pivoting lever.
  • the latch is prevented from moving the pivot lever in the closed position and can be blocked there before the hook latch is hooked in the closed position of the car door in the counter-plate.
  • a program routine "manual door unlocking" is programmed in the control, in which the car is moved to a position which is offset up or down to a shaft door of the elevator shaft.
  • the offset can be, for example 20 - 50 cm.
  • a manual unlocking of the car door can be done by operating a Bowden cable or the pivot lever itself, which can be reached in the assumed car position of the shaft door.
  • the position of the car in the unlocking zone can be monitored by an electrical safety device according to EN 81-20, 5.11.2.
  • the locking of the car door via an actuating lever is locked and / or unlocked, and / or unlocked via a Bowden cable, and / or the car door can be locked via a separate latch.
  • the car door unlocked by means of a Bowden cable can also be locked again if this makes sense for safety reasons.
  • the controller determines the cabin position via sensors arranged in the elevator shaft and outputs as a function of the sensor data of these sensors follow-up functions free.
  • the controller may determine whether the car is within or outside the unlocking zone of a door zone area and thus initiating or releasing the car door latch, opening or closing the car door, or initiating or stopping car movement.
  • the sensors can be arranged on the car and / or stationary in the elevator shaft. The status of the sensors can be queried via relays monitored by the control, or the door zones are monitored via a "Safe shaft copying" in accordance with EN 81-20, 5.11.2.6 PESSRAL.
  • Fig. 1 is a view obliquely from above on a door drive 2 for the door assembly of an elevator shown.
  • the car with the car door and the landing door is not shown in detail.
  • the toothed belt 4 is moved depending on the direction of movement of the car door in the appropriate direction via an electric motor.
  • a Mosmit clergy 6 is fixed, which is fixedly connected to the toothed belt 4 and accordingly moves along with a movement of the toothed belt 4.
  • the Mosmitnitro-6 is connected via the driving pin 10 with the Sp Schwarzhet 8.
  • the expansion blade 8 is used to unlock the shaft door.
  • the car door is locked by a hook bolt 12, which hooks with its protruding hook for locking the car door in a corresponding recess in a counter-plate 14 when this in the in Fig. 1 is shown locked position.
  • the hook bolt 12 is moved via a pivot lever 16 which is pivotable between two stops 18.
  • the pivot lever 16 is rotatably connected to the driving pin 10.
  • a control edge 28 is formed as an example of a control link whose shape, in conjunction with the corresponding shape and arrangement of the contact surface on the pivot lever 16 for a defined pivotal movement of the hook bolt 12, when the pivot lever 16 moves in one or the other direction becomes.
  • a control edge 28 is formed as an example of a control link whose shape, in conjunction with the corresponding shape and arrangement of the contact surface on the pivot lever 16 for a defined pivotal movement of the hook bolt 12, when the pivot lever 16 moves in one or the other direction becomes.
  • the hook bolt 12 while locking a car door is canceled or brought about.
  • a pivoting movement of the pivoting lever 16 is also transmitted to the pivoting angle 20, the angle at a rotational movement about a bearing axis 22 of the Sp Schwarzhetes 8 parallelogram-like pivot between an open and closed position.
  • the angles 22 of the Sp Schwarzhetes 8 are shown in a closed position.
  • Fig. 2 is the locking device with the hook bolt 12 from a rear view in relation to Fig. 1 shown.
  • the hook bolt 12 is rotatably mounted on the axis of rotation 24.
  • the axis of rotation 24 is concentric with the bolt, which forms one of the two stops 18.
  • the pivot lever 16 is pivotable about the pivot axis 26.
  • the hook latch 12 is shown in its closed position.
  • the upper run of the toothed belt 4 moves in the direction indicated by an arrow in the left direction.
  • the Mosmit supportive 6 is taken in the direction to the left.
  • a control edge 28 is formed in the embodiment shown on its underside as an example of a control link, which cooperates with the locking element 30, which is fixedly connected to the pivot lever 16.
  • the locking element 30 is the locking element 30 at the control edge 28 of the hook bolt 12 at.
  • the control edge 28 and the locking element 30 are positioned by their spatial position to each other so that in the closed position of the pivot lever 16 in this way results in a positive lock of the hook bolt 12, so that it can no longer rotate about the axis of rotation 24.
  • a safety switch 34 In Fig. 1 is located on the hook latch 12 a safety switch 34, with the proper locking of the car door can be monitored electrically.
  • the hook latch 12 in the in Fig. 1 shown closed position signals the spatial position of the safety switch 34 of the controller that the car door is securely locked.
  • the safety switch 34 When the hook latch 12 moves to the open position, the safety switch 34 is raised and moves out of the zone where it signals the car door latch. In this way it can be detected by the controller, whether the hook latch 12 is in its closed position or the open position.
  • the controller can set the door drive 2 in motion so far that the toothed belt 4 of the pivot lever 16 from the closed position moved into the open position, while the locking element 30 is displaced into a position in which the hook bolt 12 is no longer blocked in the closed position.
  • the controller can cancel in this way with a short control command to the door drive 2, the lock at least the car door. If the lock of the car door is released, the car door can also be pushed directly, for example, by persons trapped in the car. The locking of the car door by the hook bolt 12 can also be automatically canceled whenever the car to the landing door to a holding station approaches. Again, the unlocking of the car door by the pivoting of the pivot lever 16 with the door drive 2 via the timing belt 4 in its open position.
  • a release lever 36 on the Mosmit Television 6 In order to unlock the hook latch 12 independently of the control manually, is located adjacent to the pivot lever 16, a release lever 36 on the Mosmit Vietnamese 6.
  • the release lever 36 is held by a power storage 32 in its ready position, the in Fig. 1 is shown.
  • the unlocking lever 36 is rotatably mounted about a pivot axis 38.
  • the release lever 36 can be actuated for example via a Bowden cable, which, however, is not shown in detail in the drawing.
  • the Bowden cable can for example be guided over deflection rollers to below the car floor. Through a hole in the car apron, the Bowden cable can then be operated via a triangular key. In order to unlock the car door even when the car is below the flush of a current access, the car door can also be unlocked via an attached to the pivot lever 16 operating lever and locked again, the actuating lever is not shown in detail.
  • a latching lug 40 is formed on the control edge 28, at which the locking element 30 hooks in the open position of the pivot lever 16.
  • the locking lug 40 locks by its shape an unwanted movement of the pivot lever 16 from the open position. Since the pivot lever 16 is held on the power storage 32 in its open position, the pivot lever 16 is initially at a Zufahrmony the car door by the door drive 2 in the open position until the car door is closed and then the pivot lever 16 from its open position against the force of Force accumulator 32 is moved to the closed position. With the rotational movement of the pivot lever 16 and the associated pivot angle 20 are rotated, so that over the rotational movement of the pivot lever 16 and the Sp Schwarzhet 8 is closed. In this case, the locking element 30 slides over the locking lug 40 away.
  • the hook latch 12 can lower at its hook end and thereby hook into the counter-plate 14.
  • the pivot lever 16 is moved so far from the door drive 2 in its closed position that the locking element 30 via the control edge 28 again blocked the hook latch 12 in the closed position.
  • the locking lug 40 is shaped so that it forms a dead center in the open position of the pivot lever 16 for the locking element 30, which in the closing movement of the hook bolt 12 by the door drive against the force of the energy storage must first be overcome before the locking element 30 can move from the open position to the closed position.
  • Fig. 3 in turn, the locking device is shown from a front view.
  • the swivel angle 20 are shown in dashed lines to illustrate their function.
  • position is the Sp Schwarzhet 8 in the closed position.
  • the upper pivot angle 20 is rotatably connected to the upper pivot axis 42, which in turn is connected via a linkage with the pivot lever 16 which in Fig. 3 also shown in dashed lines.
  • the upper pivot angle 20 is offset by the linkage in a rotational movement, which results via the articulated connection of the angle 22 in a parallelogram pivoting movement of this angle.
  • the expansion blade is opened or closed.

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  • Elevator Door Apparatuses (AREA)
EP17164843.9A 2016-04-04 2017-04-04 Agencement de porte d'ascenseur doté d'un verrouillage Withdrawn EP3228575A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102016106118 2016-04-04

Publications (1)

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EP3228575A1 true EP3228575A1 (fr) 2017-10-11

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110203801A (zh) * 2019-06-28 2019-09-06 永大电梯设备（中国）有限公司 一种电梯门刀装置
CN113415703A (zh) * 2021-07-19 2021-09-21 展鹏科技股份有限公司 一种电梯连杆轿门锁装置及其控制方法
CN113415704A (zh) * 2021-07-19 2021-09-21 展鹏科技股份有限公司 一种电梯轿门锁装置及其控制方法
CN114030971A (zh) * 2021-10-26 2022-02-11 宁波欣达电梯配件厂 一种同步门刀装置

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0332841A1 (fr) * 1988-03-18 1989-09-20 Inventio Ag Dispositif entraînement de porte avec mécanisme de verrouillage pour élévateurs
EP0484169B1 (fr) 1990-10-31 1995-09-27 Otis Elevator Company Système de verrouillage d'une porte
EP1713712A2 (fr) 2004-02-11 2006-10-25 Wittur GmbH Dispositif d'actionnement et de verrouillage de portes d'ascenseurs
DE202009007268U1 (de) 2009-05-20 2009-08-13 Wittur Holding Gmbh Vorrichtung zum Geschlossenhalten des Mitnehmerschwerts im stromlosen Zustand
DE102009021249B3 (de) * 2009-05-14 2010-11-11 Aufzugswerke M. Schmitt & Sohn Gmbh & Co. Aufzugsanlage
EP2287104A1 (fr) * 2009-08-21 2011-02-23 Wittur Holding GmbH Coupleur de porte et mécanisme de verrouillage
WO2011076531A1 (fr) * 2009-12-21 2011-06-30 Inventio Ag Dispositif de validation de l'accès à la cage d'une installation d'ascenseur

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0332841A1 (fr) * 1988-03-18 1989-09-20 Inventio Ag Dispositif entraînement de porte avec mécanisme de verrouillage pour élévateurs
EP0484169B1 (fr) 1990-10-31 1995-09-27 Otis Elevator Company Système de verrouillage d'une porte
EP1713712A2 (fr) 2004-02-11 2006-10-25 Wittur GmbH Dispositif d'actionnement et de verrouillage de portes d'ascenseurs
DE102009021249B3 (de) * 2009-05-14 2010-11-11 Aufzugswerke M. Schmitt & Sohn Gmbh & Co. Aufzugsanlage
DE202009007268U1 (de) 2009-05-20 2009-08-13 Wittur Holding Gmbh Vorrichtung zum Geschlossenhalten des Mitnehmerschwerts im stromlosen Zustand
EP2287104A1 (fr) * 2009-08-21 2011-02-23 Wittur Holding GmbH Coupleur de porte et mécanisme de verrouillage
WO2011076531A1 (fr) * 2009-12-21 2011-06-30 Inventio Ag Dispositif de validation de l'accès à la cage d'une installation d'ascenseur

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110203801A (zh) * 2019-06-28 2019-09-06 永大电梯设备（中国）有限公司 一种电梯门刀装置
CN113415703A (zh) * 2021-07-19 2021-09-21 展鹏科技股份有限公司 一种电梯连杆轿门锁装置及其控制方法
CN113415704A (zh) * 2021-07-19 2021-09-21 展鹏科技股份有限公司 一种电梯轿门锁装置及其控制方法
CN113415704B (zh) * 2021-07-19 2023-06-06 展鹏科技股份有限公司 一种电梯轿门锁装置及其控制方法
CN113415703B (zh) * 2021-07-19 2023-06-06 展鹏科技股份有限公司 一种电梯连杆轿门锁装置及其控制方法
CN114030971A (zh) * 2021-10-26 2022-02-11 宁波欣达电梯配件厂 一种同步门刀装置

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