EP2928804B1 - Installation d'ascenseur dotée d'un limiteur de vitesse - Google Patents

Installation d'ascenseur dotée d'un limiteur de vitesse Download PDF

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Publication number
EP2928804B1
EP2928804B1 EP13801587.0A EP13801587A EP2928804B1 EP 2928804 B1 EP2928804 B1 EP 2928804B1 EP 13801587 A EP13801587 A EP 13801587A EP 2928804 B1 EP2928804 B1 EP 2928804B1
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EP
European Patent Office
Prior art keywords
switching vane
switching
wheel
pendulum
vane
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EP13801587.0A
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German (de)
English (en)
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EP2928804A1 (fr
Inventor
Faruk Osmanbasic
Daniel Meierhans
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Inventio AG
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Inventio AG
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Priority to EP13801587.0A priority Critical patent/EP2928804B1/fr
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Publication of EP2928804B1 publication Critical patent/EP2928804B1/fr
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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
    • B66B5/02—Applications of checking, fault-correcting, or safety devices in elevators responsive to abnormal operating conditions
    • B66B5/04—Applications of checking, fault-correcting, or safety devices in elevators responsive to abnormal operating conditions for detecting excessive speed
    • B66B5/044—Mechanical overspeed governors
    • B66B5/046—Mechanical overspeed governors of the pendulum or rocker arm type

Definitions

  • the invention relates to a speed limiter for an elevator installation, an elevator installation with a speed limiter and a method for limiting the speed of an elevator cage of an elevator installation.
  • a speed limiter which monitors the travel speed of an elevator car.
  • the overspeed governor operates as follows during operation.
  • An elevator car drives a pulley of the speed limiter in a known manner via a wire rope, wherein a locking ring and a cam wheel are integrated into the pulley.
  • a pendulum roller follows a path of the cam wheel.
  • a retaining spring is set so that the spherical roller follows the cam of the cam wheel up to the nominal speed of the winding.
  • the pendulum lever is displaced by the cams via the pendulum roller in oscillating movements with changing direction. If the winding speed exceeds a certain triggering value preset by the retaining spring, the pendulum roller lifts off the cam wheel.
  • the moment of inertia of the pendulum lever is greater than the retention torque of the retaining spring.
  • the pendulum nose remains immersed in the path of the ratchet, resulting in the blockage of the pulley.
  • the force is built up to engage the safety gear.
  • a device for limiting the downward travel of an elevator is known. It is assumed that lifts are subject to acceptance and periodic inspections, which are usually carried out by a technical inspection body. It is known that capture samples are performed below a normal triggering speed. In principle, the locking cam can be latched by hand pressure during a catching test at the location of the speed limiter. However, since these are moving parts, there is a risk of injury. In addition, an increased expenditure of time and dirt nuisance occur.
  • a safety gear in which a rod is electromagnetically moved by pressing a remote release button, the locking cam can engage in the ratchet wheel in the known speed limiter via a reversing lever.
  • the object of the invention is to provide a speed limiter for an elevator installation, an elevator installation with a speed limiter and a method for a speed limiter of an elevator cabin, which are designed to be improved or simplified. Specifically, it is an object of the invention to provide a speed limiter for an elevator system, an elevator system with a speed limiter and a method for a speed limiter of an elevator system, in which a simple remote-controlled provision is possible in particular during a functional test, the direct presence of an operator, in particular of a test engineer, eliminating the speed limiter.
  • the speed limiter includes a stator and a wheel rotatably mounted on the stator.
  • the wheel is preferably connected by means of a release cable to an elevator car.
  • a rotational speed of the wheel thus follows a travel speed of the elevator car.
  • a mass body is moved in accordance with a velocity pattern of the wheel, and upon reaching a predetermined rotational speed of the wheel, the mass body pivots.
  • this swinging the wheel of the speed limiter is braked, blocked or additional brake is operated.
  • the tripping cable is braked, whereby, for example, a safety gear of the elevator car can be actuated.
  • a switching flag is further pivoted from a neutral pivot position into a switching position.
  • the switching flag can operate by pivoting a switch, which in turn interrupts, for example, a safety circuit of the elevator and stops the elevator.
  • the speed limiter includes an actuator to operate the speed limiter.
  • the actuating device is preferably from a distance, for example by means of a electrical signal operable. The actuator can swivel out the mass body together with the switching flag for the purpose of actuation and can bring it accordingly, for example, into engagement with the moving wheel. Thus, the switching flag is further pivoted and the switch is operated.
  • the actuator is designed so that it again pivots the mass body together with the switching flag on re-actuation or in Weiderholung the operation and thereby resets the switching flag at a stationary wheel in the neutral pivot position.
  • an actuating force of the actuating device is selected so that it does not prevent the pivoting of the switching flag, for example under the action of the engagement with the wheel.
  • the actuator when actuated first actuate the mass body and thereby trigger the switch and brake any tripping cable. In a further, later actuation of the actuator, this pushes the switch flag back to its neutral pivot position because at this time the wheel of the speed limiter is stationary.
  • An actuating direction of the actuating device is identical in all operations.
  • the switching flag When first pressing or pivoting of the mass body thus the switching flag is moved by the engagement with the rotating wheel. Since then, at a later resetting of the speed limiter, the corresponding movement of the actuator in the same direction of actuation, the wheel is stationary, thus exerts no force on the switching flag, can be reset by the same actuation the switching flag in its neutral pivot position. Since at this later time the elevator system is at rest - since it was shut down by the switch or by a possible safety gear - the mass body is usually returned to an original position and accordingly not swung out. Thus, with a single actuator the speed limiter and the essential mechanical parts of the speed limiter remotely operated reset. It is advantageous, in particular, that only one and the same signal can be used for remote triggering and for the subsequent reset. This prevents incorrect manipulation.
  • the trigger or reset mode is determined by the operating state of the elevator system. When the elevator car or the speed limiter is moving, the speed limiter is actuated and the switch flag is reset when the limiter is stopped.
  • Such an actuating device is used in a so-called pendulum limiter.
  • a speed limiter further includes a non-circular running surface which is rotatable with the wheel.
  • the mass body is one, with respect to the stand, swiveling pendulum with a pendulum wheel resting against the running surface.
  • a retaining device such as a spring, pulls the pendulum, or the pendulum, against the tread.
  • the switch flag is connected to the pendulum.
  • the switching flag is pivoted by the action of the locking cam from the neutral pivot position into the switching position, and thereby the switch is actuated.
  • the preferably remotely actuable actuator is designed so that they can lift the swivel pendulum from the tread, if necessary, and can bring the pendulum with the switching flag in engagement with the locking cam.
  • the switching flag is pivotable about a pivot point between the switching flag and the pendulum, that the actuating device acts in at least one engagement position of the switching flag, in which the switching flag with the locking cam is engaged, at least indirectly acts on the switching flag, that the Switch flag is pivoted back about the fulcrum in a neutral pivot position after the engagement between the switching flag and the locking cam is released.
  • the actuating device can be remote-controlled.
  • an actuation by the actuating device can be triggered, for example, from outside an elevator shaft in order to return the switching flag to the neutral pivot position.
  • the switch which is actuated by the pivoting switching flag is a so-called latching switch.
  • a latching switch maintains a switched position until it is reset by external action.
  • the latching switch is also reset from a distance.
  • This may for example be a latching switch with electromagnetic reset in which, for example, a magnetic holding force must be overcome during the operation and the means of an electromagnetic coil, even from a distance, can be reset. This prevents a multiple switching of the switch, which can occur, for example, because of a dynamic rebound of the pendulum in an actuation.
  • an actuating element is provided and that the Actuation device via the actuating element for returning the switching flag acts in the neutral pivot position on at least one stop element of the switching flag.
  • the stop element of the switching flag is designed as a nose.
  • the switching flag can be made of a metal sheet, wherein the nose is configured by bending over a portion of the sheet. As a result, a robust and cost-effective production of the switching flag is possible.
  • a stop element is provided at the pivot point between the pendulum and the switching lug, that the actuating device, in a functional test the switching lug from a neutral pivot position in which the pendulum of the pendulum is applied to the tread, via the actuator and the Stop element of the switching flag, which is provided at the pivot point, so actuated that passes through an at least substantially translational movement of the switching flag, the switching flag at a rotating wheel into engagement with a locking cam.
  • the wheel is set in rotation by a suitable movement of the elevator car in the elevator shaft via the release cable.
  • the switching flag, or the mass body, adjusted via the actuating device so that the switching flag comes into engagement with one of the locking cams of the rotating wheel. Then it comes to blocking the wheel and the friction of the triggering cable in a groove of the wheel, a release force can be transmitted.
  • This release force can be transferred directly or indirectly to the safety gear.
  • a trigger linkage of the safety gear can be moved, so that the safety gear of the elevator is engaged. This can be done especially when lowering the elevator car. Subsequently, it can be achieved by re-triggering the actuator again the provision of the switching flag in the neutral pivot position.
  • a predetermined functional test can be performed without direct access to the speed limiter.
  • the locking cam and the switching flag are designed so that the switching flag is pivoted about the pivot point between the switching flag and the pendulum when the switching flag arrives at a rotating wheel in engagement with one of the locking cam. This mechanism is also feasible for both directions of rotation of the wheel.
  • the locking cam and the switching flag are designed so that the switching flag is pivoted in a first pivoting direction about the pivot between the switching flag and the pendulum when the switching flag at a rotating in a first direction of rotation in engagement with a locking cam passes, and is pivoted in a first direction opposite to the second pivoting direction about the pivot point between the switching flag and the pendulum when the switching flag opposite in one of the first direction of rotation second rotational direction of the rotating wheel engages with a locking cam, that upon pivoting of the switching flag in the first pivoting direction, a first stop element of the switching flag is pivoted closer to the actuating element as the stop element at the pivot point and that upon pivoting of the switching flag in the second pivoting direction second stop element of the switching flag is pivoted closer to the actuating element as the stop element at the pivot point.
  • the actuator In a subsequent release of the actuator, the actuator is adjusted.
  • the actuating element cooperates with the stop element, which is arranged closer to the actuating element than the stop element at the pivot point.
  • the switching flag By the appropriate action on the switching flag, there is a pivoting, which is just opposite to the previous pivoting. As a result, the switching flag is pivoted back into the neutral pivot position, in which the engagement between the switching flag and the locking cam is released.
  • the switching lug has a dovetail-shaped engaging portion, with which the switching lug engages with the locking cam, and that the locking cam has a contour adapted to the dovetail-shaped engagement portion.
  • the dovetail-shaped engagement portion of the switching flag is moved when the actuating device is triggered via the actuating element into the cam ring of the rotating wheel, so that the dovetail-shaped engagement section comes into engagement with one of the locking cams.
  • it comes to blocking the wheel and thus to the desired frictional force acting on the guided in the groove of the wheel release cable.
  • a release of the safety gear takes place when the pendulum wheel of the pendulum lifts off from the running surface and thus the dovetail-shaped engagement portion comes into engagement with a locking cam.
  • the actuating device acts on the actuating element with a limited, predetermined actuating force.
  • the predetermined actuating force can be applied by the magnetic force of a solenoid of the actuator.
  • the actuating force is in this case limited so that a pivoting of the switching flag is made possible when the switching flag engages with the locking cam. This prevents that the actuator and the operation to block the wheel interfere with each other.
  • Fig. 1 shows a speed limiter 1 for an elevator installation 2 according to an embodiment of the invention in a schematic, spatial representation.
  • the elevator installation 2 also has a release cable 5 and a in Fig. 4 shown elevator car 41 which is movable in an elevator shaft.
  • the exemplary speed limiter 1 monitors the speed of the elevator car 41 via a pendulum principle.
  • the speed limiter 1 has a stator 6 and a wheel 7, mounted rotatably about a bearing 7a on the stator 6.
  • a groove 8 is configured, in which the triggering cable 5 is guided.
  • the wheel 7 also has a non-circular running surface 9.
  • the running surface 9 can in this case during a rotation of the wheel 7 at a circumferential location, which is fixed with respect to the stator 6, describe a wave-shaped movement in the radial direction.
  • On the tread 9 is a pendulum 10 of a pendulum 11, which participates, caused by the tread 9, movement.
  • the pendulum 11 is stored for this purpose in the stator 6 by means of a bearing 11a. From a certain rotational speed, however, the pendulum wheel 10 lifts off from the tread 9, whereby the speed limit is effective.
  • the pendulum 11 When turning the wheel 7 follows the pendulum 11 thus the tread 9 when the rotational speed remains below a predetermined value.
  • the pendulum 11 is acted upon by the pendulum wheel 10 by a retaining force of a retaining device 12 against the running surface 9.
  • the retaining device 12 is formed in this embodiment by a spring 12. If the rotational speed exceeds the value set by a bias of the spring 12, then the pendulum 11 lifts off with the pendulum wheel 10, whereby the switching flag 3 connected to the pendulum 11 is actuated.
  • the spring can for example by means of a hole row provided in the stator 6 are individually biased. For better protection, the spring is covered by a protective cap during operation.
  • Fig. 2 shows the in Fig. 1 shown speed limiter 1, wherein the switching flag 3 is in engagement with a locking cam 15 of the cam ring 4.
  • the cam ring 4 has the locking cam 15 and further locking cam 15a to 15g (partially not visible).
  • a dovetail-shaped engaging portion 19 of the switching flag 3 as well as a pendulum nose 18 again and again between the locking cam 15 to 15 g of the cam ring 4 a.
  • the engaging portion 19, and the pendulum nose 18 due to the wave-shaped running surface 9 in the region of each locking cam 15 to 15g then always on this locking cam 15 to 15g, as shown in the Fig. 1 is shown.
  • the switch lug 3 can in this case actuate a switch 20.
  • the switch 20 may be part of a safety circuit of the elevator installation 2, for example. By actuating the switch 20, the safety circuit can then be interrupted, so that inter alia a motor of a drive machine unit 40 (see Fig. 4 ) can be switched off.
  • the release force transmitted by the speed limiter 1 via the release cable 5 is sufficient to trigger the safety gear 42.
  • the switch 20 can be electrically reset.
  • the switch 20 can also be manually reset by hand.
  • the switching flag 3 can be reset automatically in an advantageous manner. This is possible in this embodiment by a further triggering of the actuating device 21.
  • the user friendliness can be improved, as it were, at the push of a button, both the switching flag 3 and, if necessary, time-delayed, the switch 20 can be reset.
  • this can improve safety during operation.
  • the speed limiter 1 is accommodated, for example, in the shaft head of an elevator shaft and thus directly accessible only from the roof of the elevator car, a comfortable and secure provision can be made remotely.
  • the actuator 21 serves both to trigger the blocking of the speed limiter 1 in a test run and to reset the switching flag 3 and thus the speed limiter 1.
  • both functions can be ensured by an actuator 21. This simplifies on the one hand the control and on the other hand simplifies the structure of the speed limiter 1. Furthermore, the space requirement is reduced.
  • the switching lug 3 has stop elements 26, 27, which are configured as lugs 26, 27.
  • the lugs 26, 27 designed as bent portions of the switching lug 3.
  • the stop element 25a at the pivot point 25 is at least approximately between the lugs 26, 27th
  • the actuating element 23 has a strip-shaped arm 28 and a guide part 29. With the guide part 29, the actuating element 23 is guided on the actuating device 21 in and counter to the actuating direction 24. About the bar-shaped arm 28, the actuating element 23 depending on the pivot position of the switching flag 3 on at least one of the stop elements 25a, 26, 27 act.
  • the pivoting of the switching lug 3 is in this case carried out in that the wheel 7 is first rotated in a first rotational direction 31 until the switching lug 3 has come into engagement with the locking cam 15. The occurring collision causes the pivoting of the switching lug 3 in the first pivoting direction 30 about the pivot point 25 of the stop element 25a.
  • the actuating device 21 is thus actuated for triggering and for resetting the speed limiter 1 or the switching lug 3 in the same or in the same operating direction 24.
  • the actuating direction 24 thus remains identical. In the operation for resetting the speed limiter 1 thus the same operation as used to trigger the speed limiter 1 is repeated.
  • Fig. 3 shows the in Fig. 1 shown speed limiter 1, wherein a release of the engagement between the switching flag 3 and the locking cam 15 is illustrated.
  • the situation is shown in which the strip-shaped arm 28 of the actuating element 23 is adjusted by the actuating device 21 in the direction 24.
  • the pivoting of the switching lug 3 is achieved in the second pivoting direction 32, as explained previously.
  • the wheel 7 can, of course, initially also rotate in a second direction of rotation 32. If now the dovetail-shaped engaging portion 19 of the switching lug 3 comes into engagement with the locking cam 15, then the switching flag 3 is pivoted in the second pivoting direction 32 about the pivot point 25 of the stop element 25a. A reset can then also be done by triggering the actuator 21. However, then the strip-shaped arm 28 cooperates with the nose 26 to the switching flag 3, in the first pivoting direction 30 to resonatezuschwenken about the pivot point 25 of the stop element 25 in the neutral pivot position in which the engagement between the switching flag 3 and the locking cam 15 is released is.
  • the provision of the switching flag 3 can be realized via the two stop elements 26, 27, which serve to reset.
  • the switching flag 3 Upon activation of the speed limiter 1 is rotated or pivoted, the switching flag 3 with the two stop elements 26, 27 relative to the pendulum 11.
  • the switching vane 3 in the first pivoting direction 30 or the second pivoting direction 32 is pivoted.
  • one of the stop elements 26, 27 assumes a closer position on the strip-shaped arm 28 than the stop element 25a at the pivot point.
  • the switching lug 3 is rotated by acting on the closer to the strip-shaped arm 28 stop member 26, 27 back to the starting position, ie the neutral pivot position.
  • the switching flag 3 is designed so that the switch 20 is always actuated when the switching flag 3 is not in the neutral pivot position.
  • the switch 20 is always actuated when the switching flag 3 is pivoted in the first pivot direction 30 or in the second pivot direction 32.
  • the switch 20 can also be designed as a push-button 20 and automatically return to its closed position when the switching lug 3 returns to the neutral pivoting position.
  • the actuator 21 has a solenoid, then corresponds to in the Fig. 1 shown position a non-energized solenoid, while in the Fig. 3 shown position corresponds to a powered solenoid.
  • the operating force of the actuator 21 is suitably limited. This takes into account that for triggering the speed limiter 1, the strip-shaped arm 28 first acts on the stop element 25a in the operating direction 24 and shortly thereafter due to the rotating wheel 7 and the successful stop on the locking cam 15, each opposite to the direction of actuation 24 upwards Nose 26, 27, the strip-shaped arm 28 can beat away from the stop element 25 a, as shown in the Fig. 2 is shown.
  • the actuating force of the actuating device 21 is therefore limited so that a pivoting of the switching lug 3 is made possible when the switching lug 3 comes into engagement with the locking cam 15. In this case, damage to the actuator 21 is prevented.
  • a spring element 35 is provided, which acts on the actuating element 23, against the actuating force of the actuating device 21.
  • a permanent contact of the strip-shaped arm 28 on at least one of the stop elements 25a, 26, 27 avoided, as it also in the Fig. 1 and 2 is shown.
  • the triggering of the actuating device 21 can take place via a separate control device 36.
  • the separate control device 36 is in this case connected in a suitable manner to the actuating device 21.
  • the control device 36 can also be arranged at a distance from the speed limiter 1 for the remote control of the actuating device 21.
  • the control device 36 may be arranged outside a lift shaft.
  • the control device 36 may in this case also be integrated in an elevator control.
  • an additional connection of the control device 36 can be saved with the switch 20 when the switch 20 is designed as a button.
  • the control device 36 may also be connected to the switch 20, for example, to allow only an explicit provision of the switch 20.
  • both sides of a contour 39 of the locking cam 16 are adapted to the dovetail-shaped engagement portion 19 of the switching flag 3 and of course the pendulum nose 18.
  • the pendulum wheel 10 of the pendulum 11 which abuts the non-circular running surface 9 of the wheel 7, be acted upon with a retaining force against the tread, wherein the connected to the pendulum 11 Switch lug 3, at a certain pivoting out of the pendulum 11, in which the pendulum wheel 10 lifts from the tread 9, with a locking cam 15 engages, which is connected to the wheel 7, and wherein the operation of the switch lug 3 by means of the actuator 11 the switching flag 3 is returned to its neutral switching position.
  • the device can also be adapted to a speed governor with mass bodies in the form of centrifugal weights, instead of the described pendulum.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Maintenance And Inspection Apparatuses For Elevators (AREA)

Claims (16)

  1. Limiteur de vitesse (1) pour une installation d'ascenseur (2), avec un montant (6), une roue (7) montée en rotation sur le montant (6), un corps de masse (11) qui est déplacé suivant la courbe de vitesse de la roue (7) et qui écarté par pivotement quand une vitesse de rotation prédéfinie de la roue (7) est atteinte, et une patte de commutation (3) que le corps de masse (11) qui s'écarte par pivotement, sous l'action de la roue (7) déplacée, fait pivoter et fait passer d'une position de pivotement neutre à une position de commutation, et un commutateur (20) qui est apte à être actionné grâce au pivotement de la patte de commutation (3) est apte à être provoqué, étant précisé qu'il est prévu un dispositif d'actionnement (21) qui est conçu pour écarter par pivotement le corps de masse (11) et pour faire pivoter ainsi la patte de commutation (3), et qui est également conçu pour ramener ladite patte (3) dans la position de pivotement neutre, le dispositif d'actionnement (21) amenant la patte de commutation (3) avec une force prédéfinie dans la position de pivotement neutre, de sorte qu'un pivotement de ladite patte (3) est possible quand le corps de masse (11) a été écarté par pivotement,
    caractérisé en ce que le dispositif d'actionnement (21) est conçu pour écarter par pivotement le corps de masse (11) avec la patte de commutation (3), en cas d'actionnement, et pour faire pivoter ainsi ladite patte de commutation (3), à l'aide de la roue (7) déplacée, à l'encontre de la force prédéfinie du dispositif d'actionnement, et
    le dispositif d'actionnement (21) est également conçu pour écarter par pivotement, là encore, le corps de masse (11) avec la patte de commutation (3) en cas de nouvel actionnement, et pour ramener ainsi par pivotement ladite patte de commutation (3) dans la position de pivotement neutre alors que la roue (7) est immobile.
  2. Limiteur de vitesse selon la revendication 1, caractérisé en ce que le limiteur de vitesse (1) contient également une surface de roulement (9) non circulaire qui est apte à tourner avec la roue (7), et le corps de masse (11) est un élément oscillant (11) apte à pivoter par rapport au montant (6) et pourvu d'une roue d'élément oscillant (10) appliquée contre la surface de roulement (9), et d'un dispositif de rappel (12), lequel dispositif de rappel (12) contraint au moins indirectement la roue d'élément oscillant (10) avec une force de rappel contre la surface de roulement (9), étant précisé que la patte de commutation (3) est reliée à l'élément oscillant (11) et, lors d'un mouvement d'écartement par pivotement prédéfini de l'élément oscillant (11) en présence duquel la roue d'élément oscillant (10) se détache de la roue de roulement (9), vient en prise avec une saillie de blocage (15) qui est reliée au moins indirectement à la roue (7), que la patte de commutation pivote sous l'action de la saillie de blocage (15) et passe de la position de pivotement neutre à la position de commutation et actionne ainsi le commutateur, que le dispositif d'actionnement (21) à télécommande est conçu pour détacher l'élément oscillant pivotant de la surface de roulement et mettre ledit élément oscillant avec la patte de commutation en prise avec la saillie de blocage, et est également conçu pour amener la patte de commutation dans la position de pivotement neutre, et que le dispositif d'actionnement (21), lors de l'actionnement, pousse la patte de commutation avec la force de limitation jusqu'à la position de pivotement neutre, de sorte qu'un pivotement de la patte de commutation (3) est possible quand ladite patte (3) vient en prise avec la saillie de blocage.
  3. Limiteur de vitesse selon la revendication 2, caractérisé en ce que la patte de commutation (3) est apte à pivoter sur un pivot (25) entre la patte de commutation (3) et l'élément oscillant (11), en ce que le dispositif d'actionnement (21), dans au moins une position de prise de la patte de commutation (3) dans laquelle ladite patte (3) est en prise avec la saillie de blocage (15), agit au moins indirectement sur la patte de commutation de telle sorte que cette dernière est apte à revenir, en pivotant sur le pivot (25), à la position de pivotement neutre.
  4. Limiteur de vitesse selon l'une des revendications 1 à 3, caractérisé en ce qu'il est prévu un élément d'actionnement (23) et en ce que le dispositif d'actionnement (21), lors de l'actionnement par l'intermédiaire de l'élément d'actionnement (23) pour ramener la patte de commutation (3) dans la position de pivotement neutre, agit sur au moins un élément de butée (26, 27) de ladite patte (3), le dispositif d'actionnement (21) pouvant agir avec une force d'actionnement sur l'élément d'actionnement (23) de sorte que cette force d'actionnement définit la force prédéfinie avec laquelle le dispositif d'actionnement (21) peut agir sur la patte de commutation.
  5. Limiteur de vitesse selon l'une des revendications 1 à 4, caractérisé en ce que la patte de commutation (3), en pivotant de la position de pivotement neutre jusqu'à la position de commutation, actionne le commutateur (20), ce commutateur (20) étant de préférence un commutateur à encliquetage (20) qui peut être ramené à l'état initial à l'aide d'un actionnement à distance.
  6. Limiteur de vitesse selon l'une des revendications 3 à 5, caractérisé en ce qu'au niveau du pivot (25) entre l'élément oscillant (11) et la patte de commande (3) est prévu un élément de butée (25a), en ce que le dispositif d'actionnement (21), lors d'un test de fonctionnement, actionne la patte de commutation (3) à partir d'une position de pivotement neutre dans laquelle la roue (10) de l'élément oscillant (11) est appliquée contre la surface de roulement (9), par l'intermédiaire de l'élément d'actionnement (23) et de l'élément de butée (25a) de la patte de commutation (3) qui est prévu au niveau du pivot (25), de telle sorte que grâce à un mouvement au moins de translation de l'élément d'actionnement (23), la patte de commutation (3) et l'élément oscillant (11) viennent en prise avec une saillie de blocage (15) alors que la roue (7) tourne.
  7. Limiteur de vitesse selon l'une des revendications 3 à 6, caractérisé en ce que la saillie de blocage (15) et la patte de commutation (3) sont conçues de telle sorte que ladite patte de commutation (3) pivote sur le pivot (25) entre la patte de commutation (3) et l'élément oscillant (11) quand ladite patte (3) vient en prise avec une saillie de blocage (15) alors que la roue (7) tourne.
  8. Limiteur de vitesse selon les revendications 3 à 7, caractérisé en ce que la saillie (15) et la patte de commutation (3) sont conçues de telle sorte que ladite patte de commutation (3) pivote dans un premier sens de pivotement (30) sur le pivot (25) entre la patte de commutation (3) et l'élément oscillant (11) quand ladite patte (3) vient en prise avec la saillie de blocage (15) alors que la roue (7) tourne dans un premier sens de rotation (31), et dans un second sens de pivotement (32), opposé au premier sens de pivotement (30), sur le pivot (25) entre la patte de commutation (3) et l'élément oscillant (11) quand ladite patte (3) vient en prise avec la saillie de blocage (15) alors que la roue tourne dans un second sens de rotation (33) opposé au premier sens de rotation (31), que lors d'un pivotement de la patte de commutation (3) dans le premier sens de pivotement (30) un premier élément de butée (27) de ladite patte de commutation (3) pivote plus près de l'élément d'actionnement (23) que l'élément de butée (25a) au niveau du pivot (25), et que lors du pivotement de la patte de commutation (3) dans le second sens de pivotement (32), un second élément de butée (26) de la patte de commutation (3) pivote plus près de l'élément d'actionnement (23) que l'élément de butée (25a) au niveau du pivot (25).
  9. Limiteur de vitesse selon l'une des revendications 2 à 8, caractérisé en ce que la patte de commutation (3) présente une partie de prise en queue d'aronde (19) grâce à laquelle elle vient en prise avec la saillie de blocage (16), et en ce que la saillie de blocage (16) présente un contour (39) adapté à la partie de prise en queue d'aronde (19).
  10. Limiteur de vitesse selon l'une des revendications 4 à 10, caractérisé en ce qu'il est prévu un élément à ressort (35), et en ce que l'élément à ressort (35) contraint l'élément d'actionnement (23) à l'encontre de la force de ressort.
  11. Limiteur de vitesse selon l'une des revendications 1 à 10, caractérisé en ce que le dispositif d'actionnement (21) comporte un aimant de levage (21) qui sert à produire une force d'actionnement.
  12. Limiteur de vitesse selon l'une des revendications 1 à 11, caractérisé en ce que le dispositif d'actionnement (21) est relié à un dispositif de commande (36) séparé qui sert à télécommander le dispositif d'actionnement (21).
  13. Installation d'ascenseur (2) avec un limiteur de vitesse (1) selon l'une des revendications 1 à 12, un câble de déclenchement (5) passant sur une gorge (8) de la roue (7) du limiteur de vitesse (1), et ledit câble de déclenchement (5) étant relié au moins indirectement à un parachute disposé sur une cabine d'ascenseur.
  14. Procédé pour déclencher à distance et ramener à l'état initial à distance un limiteur de vitesse (1) d'une cabine d'une installation d'ascenseur, selon lequel
    un dispositif d'actionnement est actionné,
    ce dispositif d'actionnement (21), lors d'un actionnement, écarte par pivotement un corps de masse (11),
    le corps de masse (11), en coopérant avec une roue (7), fait pivoter une patte de commutation (3) et la fait passer d'une position de pivotement neutre à une position de commutation,
    la patte de commutation qui pivote actionne un commutateur (20),
    ce dispositif d'actionnement (21), lors de l'actionnement, agit avec une force prédéfinie sur la patte de commutation (3) pour ramener celle-ci dans la position de pivotement neutre, la force prédéfinie étant choisie de telle sorte que le pivotement de ladite patte (3) est possible quand le corps de masse (11) a été écarté par pivotement et coopère avec la roue (7),
    le dispositif d'actionnement (21) est à nouveau actionné, et
    le dispositif d'actionnement (21), lors du nouvel actionnement, écarte à nouveau par pivotement le corps de masse (11), et la patte de commutation est ramenée dans la position de pivotement neutre si le corps de masse (11) n'est pas en prise avec la roue (7).
  15. Procédé selon la revendication 14, selon lequel le dispositif d'actionnement (21), pour écarter par pivotement le corps de masse (11) et ramener la patte de commutation (3) dans la position de pivotement neutre, est actionné dans une même direction d'actionnement (24).
  16. Procédé selon la revendication 14 ou 15, selon lequel le commutateur (20) est ramené à l'état initial à l'aide de sa propre activation à distance.
EP13801587.0A 2012-12-10 2013-12-06 Installation d'ascenseur dotée d'un limiteur de vitesse Not-in-force EP2928804B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP13801587.0A EP2928804B1 (fr) 2012-12-10 2013-12-06 Installation d'ascenseur dotée d'un limiteur de vitesse

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
EP12196342 2012-12-10
EP13801587.0A EP2928804B1 (fr) 2012-12-10 2013-12-06 Installation d'ascenseur dotée d'un limiteur de vitesse
PCT/EP2013/075844 WO2014090705A1 (fr) 2012-12-10 2013-12-06 Système d'ascenseur équipé d'un limiteur de vitesse

Publications (2)

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EP2928804A1 EP2928804A1 (fr) 2015-10-14
EP2928804B1 true EP2928804B1 (fr) 2017-02-15

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EP13801587.0A Not-in-force EP2928804B1 (fr) 2012-12-10 2013-12-06 Installation d'ascenseur dotée d'un limiteur de vitesse

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US (1) US9975731B2 (fr)
EP (1) EP2928804B1 (fr)
CN (1) CN104837757B (fr)
ES (1) ES2625397T3 (fr)
WO (1) WO2014090705A1 (fr)

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CN107673159B (zh) 2016-08-01 2020-09-08 奥的斯电梯公司 升降机的限速器
CN108002168B (zh) * 2016-10-27 2021-04-02 奥的斯电梯公司 远程触发装置，限速器组件以及电梯
ES2904558T3 (es) * 2017-06-14 2022-04-05 Kone Corp Supresión a distancia de averías para ascensores, escaleras mecánicas y puertas automáticas
CN110395641B (zh) 2018-04-25 2021-12-14 奥的斯电梯公司 限速器组件和电梯系统
US11577932B2 (en) 2018-07-26 2023-02-14 Otis Elevator Company Elevator component inspection systems
CN110963387B (zh) 2018-09-29 2022-06-10 奥的斯电梯公司 超速保护开关、限速器组件以及电梯系统
CN111017673B (zh) * 2018-10-09 2022-08-12 奥的斯电梯公司 远程触发装置、限速器组件和电梯系统
CN111268532B (zh) * 2018-12-04 2022-08-30 奥的斯电梯公司 超速保护开关、限速器组件以及电梯系统
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Publication number Publication date
CN104837757A (zh) 2015-08-12
ES2625397T3 (es) 2017-07-19
WO2014090705A1 (fr) 2014-06-19
CN104837757B (zh) 2016-12-14
EP2928804A1 (fr) 2015-10-14
US20150329322A1 (en) 2015-11-19
US9975731B2 (en) 2018-05-22

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