EP4043379B1 - Elektromechanische aktivierungsvorrichtung eines arretierungssystems für hubvorrichtungen - Google Patents

Elektromechanische aktivierungsvorrichtung eines arretierungssystems für hubvorrichtungen Download PDF

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Publication number
EP4043379B1
EP4043379B1 EP22382120.8A EP22382120A EP4043379B1 EP 4043379 B1 EP4043379 B1 EP 4043379B1 EP 22382120 A EP22382120 A EP 22382120A EP 4043379 B1 EP4043379 B1 EP 4043379B1
Authority
EP
European Patent Office
Prior art keywords
parachute
trigger
plate
activation
guide
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.)
Active
Application number
EP22382120.8A
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English (en)
French (fr)
Other versions
EP4043379A1 (de
Inventor
Raúl ALONSO RÁMILA
Oier García Zalacain
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.)
Orona S Coop
Original Assignee
Orona S Coop
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Publication date
Application filed by Orona S Coop filed Critical Orona S Coop
Publication of EP4043379A1 publication Critical patent/EP4043379A1/de
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Publication of EP4043379B1 publication Critical patent/EP4043379B1/de
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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
    • B66B5/00—Applications of checking, fault-correcting, or safety devices in elevators
    • B66B5/02—Applications of checking, fault-correcting, or safety devices in elevators responsive to abnormal operating conditions
    • B66B5/16—Braking or catch devices operating between cars, cages, or skips and fixed guide elements or surfaces in hoistway or well
    • B66B5/18—Braking or catch devices operating between cars, cages, or skips and fixed guide elements or surfaces in hoistway or well and applying frictional retarding forces
    • B66B5/20—Braking or catch devices operating between cars, cages, or skips and fixed guide elements or surfaces in hoistway or well and applying frictional retarding forces by means of rotatable eccentrically-mounted members
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
    • B66B5/00—Applications of checking, fault-correcting, or safety devices in elevators
    • B66B5/02—Applications of checking, fault-correcting, or safety devices in elevators responsive to abnormal operating conditions
    • B66B5/16—Braking or catch devices operating between cars, cages, or skips and fixed guide elements or surfaces in hoistway or well
    • B66B5/18—Braking or catch devices operating between cars, cages, or skips and fixed guide elements or surfaces in hoistway or well and applying frictional retarding forces

Definitions

  • the present invention belongs to the technical field of elevator safety. More specifically, the invention relates to an activation system for electronically activated parachutes.
  • parachute activation has been carried out by means of a speed limiting element of a mechanical type which, in the event of excess speed of the car, is blocked and causes said activation.
  • the object of the invention consists of a system for activating the parachute of elevating devices being electromechanically actuated and involving lower energy consumption, since it can be maintained in a stand-by or holding condition in which the electromagnet consumption is zero.
  • the parachute is attached to a car or counterweight and is located in proximity to an elevator guide. On one side of the guide there is a shoe, while on the other side there is a braking system that includes a braking element such as a roller or shoe, the function of which is to wedge itself into the shoe, trapping in this movement of wedging to the guide located between the braking element and another shoe and thereby securing the car or counterweight against the guide.
  • the activation system is provided with a roller activation plate and an electromagnet to activate and deactivate the system. Unlike the state of the art, the electromagnet does not act on the activation plate directly, but on a trigger associated with the activation plate.
  • the operation of the device is based on the displacement of the activation plate to produce the movement of the roller and therefore the wedging.
  • the electromagnet When the elevator is operating normally, with the car moving along the guides, the electromagnet is powered, acting on the trigger and causing the activation plate to stay away from the guide and therefore also the roller.
  • the electromagnet when the system is activated, the electromagnet is deactivated, the trigger releases the plate by the action of a spring and the plate moves towards the guide by means of its activation spring (element known from the state of the art ) causing the roller to approach it and the so-called wedging occurs.
  • a cam whose movement is synchronized with the trigger, there is also a stand-by position in which the trigger pivots, but does not completely release the plate.
  • the braking system comprises two rollers joined by a connecting plate.
  • the activation plate does not act directly on the parachute roller, but it does so through another roller and a plate connecting both rollers.
  • the connecting plate between rollers is in turn connected to a synchronization mechanism between parachutes.
  • the activation system described is designed to carry out an emergency braking of a car or counterweight that can be moved longitudinally along at least one vertical guide (1), securing it on said guide (1) to avoid uncontrolled movements or falls due to the action of gravity.
  • the invention comprises:
  • the activation plate 2 moves with respect to the guide 1. In some implementations it does so in a pivotal manner around an articulation perpendicular to the plane of the figure at a first end. In other implementations, this displacement can be linear ( Figure 5 ). At one end the plate 2 comprises a protruding element, for example a shaft 4 that cooperates with the trigger 5. The trigger 5 in turn is provided with the first spring 6. When the elevating device moves normally along the guide 1, the electromagnet 8 remains powered and in this way the braking system is at rest.
  • the electromagnet exerts a force such that, despite the force of the spring 6, it allows the trigger 5 to be held in a position that holds the activation plate 2 through the shaft 4, separating it from the guide and therefore also separating the roller 8.
  • the braking system is therefore inactive.
  • Figures 2a-2c illustrate an operating sequence of the device described above.
  • the braking system is in the rest position, with the car moving normally along the guide 1 and the electromagnet 8 being powered.
  • the electromagnet is deactivated and the trigger 5, as a consequence, pivots by the action of the spring 6 as seen in figure 2b .
  • the cam 7 impacts with its end on the guide 1 but is kept horizontal by means of the action of another spring 9.
  • the braking system is in the "stand-by" or holding position, wherein the haft 4 is not fully released.
  • Trigger reset occurs easily when electromagnet 8 is powered again after wedging has occurred.
  • the parachute 10 is in another position.
  • the activation plate 2 is in contact with a roller 3' attached to the parachute roller 3 through a connecting plate 11.
  • the operation of the trigger and the cam are the same as in the previous implementation.
  • the connecting plate between rollers 11 is adapted to be connected to a synchronization mechanism between parachutes ( Figure 4 ).

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Braking Arrangements (AREA)
  • Load-Engaging Elements For Cranes (AREA)
  • Control And Safety Of Cranes (AREA)

Claims (7)

  1. Elektromechanisches Fangvorrichtungsaktivierungssystem für Hubvorrichtungen, welches versehen ist mit:
    einem Bremselement (3), wobei das Aktivierungssystem ferner aufweist:
    - eine Aktivierungsplatte (82) für das Bremselement (3), die in Bezug auf eine Führung der Hubvorrichtung (1) bewegbar ist;
    - einen Elektromagneten (8);
    wobei das Aktivierungssystem ferner versehen ist mit
    - einem Auslöser (5), der geeignet ist, mit dem Elektromagneten (8) und mit der Aktivierungsplatte (2) durch ein vorstehendes Element der Aktivierungsplatte (4) zusammenzuwirken, dadurch gekennzeichnet, dass das Aktivierungssystem ferner aufweist:
    - eine erste Feder (6), die geeignet ist, eine Kraft auf den Auslöser (5) auszuüben, welche derjenigen des Elektromagneten (6) entgegengesetzt ist,
    - einen Nocken (7), der an einem Ende des Auslösers (5) angebracht ist und mit Betätigungseinrichtungen (9) versehen ist, welche den Nocken zu jeder Zeit in einer horizontalen Position halten, außer, wenn er in Kontakt mit der Führung ist;
    - wobei der Auslöser (6), die erste Feder (6), der Nocken (7) und die Betätigungseinrichtungen (9) derart zusammenwirken, dass, wenn der Elektromagnet (8) aktiviert ist, der Auslöser die Bewegung des vorstehenden Elements (4) blockiert, wodurch die Platte (2) von der Führung getrennt ist, wobei, wenn der Elektromagnet nicht aktiviert ist, die erste Feder (6) eine derartige Kraft ausübt, dass der Auslöser (5) an dem vorstehenden Element (4) schwenkt, wodurch bewirkt wird, dass der Nocken (7) die Führung berührt, jedoch ohne das vorstehende Element (4) freizugeben, und wobei, wenn eine Bewegung der Kabine erfolgt, der Nocken (7) auf der Führung schwenkt, so dass der Auslöser (5) das vorstehende Element (4) freigibt.
  2. Elektromagnetisches Fangvorrichtungsaktivierungssystem nach Anspruch 1, dadurch gekennzeichnet, dass die Platte schwenkbar ist und das vorstehende Element (4) eine Welle ist, die an einem Ende angeordnet ist, das eine Achse, um welche die Aktivierungsplatte (2) schwenkt, entgegengesetzt ist.
  3. Elektromagnetisches Fangvorrichtungsaktivierungssystem nach einem der Ansprüche 1 oder 2, dadurch gekennzeichnet, dass das Bremselement eine erste Rolle (3) ist.
  4. Elektromagnetisches Fangvorrichtungsaktivierungssystem nach Anspruch 3, dadurch gekennzeichnet, dass die Fangvorrichtung eine zweite Rolle (3') aufweist, die über eine Verbindungsplatte (11) mit der ersten Rolle (3) verbunden ist, wobei die zweite Rolle (3') mit der Aktivierungsplatte (2) verbunden ist.
  5. Elektromagnetisches Fangvorrichtungsaktivierungssystem nach Anspruch 4, dadurch gekennzeichnet, dass die Verbindungsplatte (11) zwischen der ersten und der zweiten Rolle geeignet ist, mit einem Synchronisierungsmechanismus zwischen Fangvorrichtungen der Hubvorrichtung verbunden zu werden.
  6. Fangvorrichtung mit dem elektromagnetischen Fangvorrichtungsaktivierungssystem nach den Ansprüchen 1 - 3.
  7. Hubvorrichtung mit dem elektromagnetischen Fangvorrichtungsaktivierungssystem nach den Ansprüchen 1 - 5.
EP22382120.8A 2021-02-16 2022-02-15 Elektromechanische aktivierungsvorrichtung eines arretierungssystems für hubvorrichtungen Active EP4043379B1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ES202130121A ES2921363B2 (es) 2021-02-16 2021-02-16 Sistema de activación electromecánico para paracaídas de aparatos elevadores

Publications (2)

Publication Number Publication Date
EP4043379A1 EP4043379A1 (de) 2022-08-17
EP4043379B1 true EP4043379B1 (de) 2023-03-15

Family

ID=80682606

Family Applications (1)

Application Number Title Priority Date Filing Date
EP22382120.8A Active EP4043379B1 (de) 2021-02-16 2022-02-15 Elektromechanische aktivierungsvorrichtung eines arretierungssystems für hubvorrichtungen

Country Status (2)

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EP (1) EP4043379B1 (de)
ES (2) ES2921363B2 (de)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE202022100182U1 (de) * 2022-01-13 2022-01-20 Wittur Holding Gmbh Auslöseeinheit zum Betätigen einer Aufzugbremsvorrichtung
ES3033866A1 (es) * 2024-02-08 2025-08-08 Orona S Coop Freno de seguridad para ascensor, y aparato elevador que comprende dicho freno de seguridad

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62275987A (ja) * 1986-05-20 1987-11-30 大成建設株式会社 エレベ−タ装置
DE102006043890A1 (de) 2006-09-19 2008-03-27 Wittur Ag Selbstrückstellmechanismus für eine Bremsfangeinrichtung Typ BSG
BR112012023034A8 (pt) * 2010-03-18 2017-10-17 Inventio Ag atuador para dispositivo de frenagem e sistema de elevador
WO2015038116A1 (en) * 2013-09-11 2015-03-19 Otis Elevator Company Braking device for braking a hoisted object relative to a guide member
DE102013111385A1 (de) * 2013-10-15 2015-04-16 Manfred Lienemann Auslösevorrichtung einer Fangvorrichtung für eine Aufzugskabine einer Aufzugsanlage
WO2015058663A1 (zh) * 2013-10-22 2015-04-30 邹家春 电梯夹轨装置
US20220250872A1 (en) * 2019-08-29 2022-08-11 Dynatech, Dynamics & Technology, S.L. Electromechanical activation of a unidirectional emergency stop device for a lift

Also Published As

Publication number Publication date
ES2921363A1 (es) 2022-08-24
ES2921363B2 (es) 2023-04-14
ES2944833T3 (es) 2023-06-26
EP4043379A1 (de) 2022-08-17

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