EP2872436B1 - Frein de sécurité pour un escalier roulant ou un trottoir roulant - Google Patents

Frein de sécurité pour un escalier roulant ou un trottoir roulant Download PDF

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Publication number
EP2872436B1
EP2872436B1 EP13732989.2A EP13732989A EP2872436B1 EP 2872436 B1 EP2872436 B1 EP 2872436B1 EP 13732989 A EP13732989 A EP 13732989A EP 2872436 B1 EP2872436 B1 EP 2872436B1
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EP
European Patent Office
Prior art keywords
safety brake
escalator
locking member
locking piece
locking
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
EP13732989.2A
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German (de)
English (en)
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EP2872436A1 (fr
Inventor
Michael Berger
Michael Matheisl
Robert Schulz
Thomas Illedits
Werner EIDLER
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Inventio AG
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Inventio AG
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Priority to EP13732989.2A priority Critical patent/EP2872436B1/fr
Publication of EP2872436A1 publication Critical patent/EP2872436A1/fr
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Publication of EP2872436B1 publication Critical patent/EP2872436B1/fr
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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
    • B66B23/00—Component parts of escalators or moving walkways
    • B66B23/02—Driving gear
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
    • B66B29/00—Safety devices of escalators or moving walkways
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
    • B66B23/00—Component parts of escalators or moving walkways
    • B66B23/14—Guiding means for carrying surfaces

Definitions

  • the invention relates to a safety brake for an escalator or for a moving walk.
  • Safety brakes are used in emergency situations when technical problems or misconduct of persons means that the step belt of the escalator or the pallet conveyor belt must be shut down quickly.
  • Such safety brakes are well known.
  • the locking piece or pawl is pivotally mounted about a pivot axis.
  • the locking piece is held by an actuating element in a release position. Once the actuator is activated, this pivots the locking piece about the pivot axis in a locking position, so that the locking piece engages in a moving part of the escalator or the moving walk and blocks it.
  • the moving part in which engages the locking piece a wheel rotatably mounted about a rotation axis. This may be, for example, a deflection of the step belt or a gear of a drive train connecting a drive motor with the stepped belt to be driven.
  • the safety brakes described above are inexpensive and easy to produce, are activated only very rarely and usually work properly. However, if coincidentally during locking the locking piece meets and wedges with a projection, the locking piece acts according to its geometric arrangement to the projection and the axis of rotation of the moving part like a crowbar and can by leveraging the moving part, its bearings or parts of the Deform safety brake or even destroy it. These parts must be replaced after the event before a next safety braking is triggered.
  • An escalator with a backstop has a ratchet wheel and a retaining pawl. If the step belt runs back due to a technical problem, the retaining pawl can be pivoted about a pivot axis, wherein a tine of the ratchet wheel engages the pawl and stops the ratchet wheel and thus the step band of the escalator. In order that no overstressing of the moving components takes place during this abrupt stop, the retaining pawl has on its engagement side a damping element in the form of a helical compression spring.
  • This embodiment has the disadvantage that the compressed damping element after stopping the ratchet wheel expands again and the ratchet wheel rotates back by a small angle of rotation in the opposite direction.
  • the step band is turned back and this direction change can lead to serious accidents.
  • the damping element itself represents a significant source of danger, since this can buckle and break at high dynamic load at the time of engagement with the tine, which can lead to serious accidents, since in this case the step band is not stopped.
  • the object of the present invention is therefore to provide a safety brake of the aforementioned type, which ensures a non-destructive use.
  • a safety brake of an escalator or moving walkway having at least one locking piece.
  • the locking piece can between a release position and a locking position to a Swivel axis to be pivoted, wherein the locking piece engages in the locked position in at least one moving part of the escalator or the moving walk and blocks or prevents this from further movement.
  • the locking piece is arranged in a manner to assume by means of a pivoting movement, a release position or a locking position, wherein the locking piece engages in the locked position in at least one moving part of the escalator or the moving walk and blocks it.
  • the safety brake has a linear guide, by which the locking piece is guided linearly relative to the pivot axis between a first and a second position.
  • the linear guide is mounted on a fixed part of the escalator or the moving walk through the pivot axis. As a result, the linear guide with the locking piece between the release position and the locking position can be pivoted or pivoted.
  • the locking piece engages positively in the moving part so that it can block it.
  • the moving part has contours that are suitable for resting on the locking piece when they strike the locking piece.
  • these contours have projections and gaps that move with the moving part in a fixed space.
  • the fixed space is in a sense an envelope volume in which the projections move. As long as the locking piece is held in the release position, it is completely outside this fixed space. If, by pivoting the linear guide about the pivot axis with the linear guide linearly guided and mitschwenkende locking piece penetrates in the region of a gap in this fixed space, the locking piece inevitably hits by the further rotation of the moving part on a projection and blocks, or stops the moving part instantaneously ,
  • the locking piece meets in an intermediate position between the release position and the locking position directly on a projection, it stands on this and is pushed back from the first position as far along the linear guide to the second position until this hit projection can move past the locking piece over.
  • the linear guide and the locking piece continue to pivot during this pushing back until it is present at a stop.
  • suitable means becomes the locking piece pushed back from the second position back to the first position and thus reaches the final locking position.
  • the moving part continues to rotate until a projection following the struck projection hits and is stopped by the locking piece.
  • the locking piece On a stop surface which is supported in the locking position on the abovementioned stop, which is arranged on the stationary part.
  • This stop is arranged as close to the moving part, so that the bending moments that occur when the projection of the locking piece, are as small as possible.
  • an elastic element can be arranged between the pivot axis and the locking piece.
  • the elastic member positions the locking piece relative to the pivot axis in the first position.
  • the elastic element is tensioned.
  • This may be, for example, a spring element, a gas cylinder, a piece of elastomeric material or the like.
  • the locking piece may have an opening, a recess or a cavity in which the elastic element is arranged.
  • the elastic element can also be arranged on the outside of the locking piece, if this seems more appropriate.
  • the linear guide may be formed by an opening, for example a slot which is arranged in the locking piece.
  • the linear guide can also open into the opening in which the elastic element is arranged.
  • the linear guide can also be arranged on an outer side of the locking piece, for example in a tubular configuration, wherein the locking piece is inserted in a collision with a projection in the interior of the linear guide provided by the tubular configuration.
  • an actuating element is provided, which pivots the locking piece about the pivot axis from the release position into the locking position.
  • actuators for example, a spring-loaded solenoid, a pneumatic cylinder, a hydraulic cylinder, an electric motor, a servomotor or a servo motor can be used.
  • a spring-loaded electromagnet is used, the armature drops in a power interruption and pivots the locking piece by the spring force of the spring-loaded electromagnet in the locked position or pivots into the specified space.
  • the actuator is incorporated into an electrical safety circuit, which is under tension and has switching elements which are installed on safety-relevant points of the escalator or the moving walk such as emergency stop button, comb plate or handrail safety switch and the like.
  • switching elements which are installed on safety-relevant points of the escalator or the moving walk such as emergency stop button, comb plate or handrail safety switch and the like.
  • At least one safety brake can be used in an escalator or in a moving walk.
  • the escalator or the moving walkway have as stationary part a supporting structure or truss with a first deflection area and with a second deflection area.
  • the moving part includes a first deflection wheel pair rotatably mounted in the first deflection region, a second deflection wheel pair rotatably mounted in the second deflection region, and an endless step belt or pallet belt, which is arranged between the two deflection regions and is deflected by the deflection wheel pairs.
  • a deflecting bow may be present, which has no moving parts.
  • the safety brake is fixed in one of the deflection areas on the supporting structure, so that the locking piece in the locking position, at least engage in one of the safety brake associated Umlenkyercru and this can block.
  • the two deflection wheels of a Umlenkziercrues are firmly connected to each other by means of an axle or shaft.
  • On one of the two deflection wheels can be arranged laterally with projections with projections, wherein the locking piece is in the locking position of at least one of these projections in the way.
  • the projections may be more on the rim arranged blocks, teeth, pins or the like. Due to the lateral arrangement of the projections, the pivot axis of the locking piece can be arranged orthogonal to a rotational axis of the Umlenkyerfares. This has the advantage that the entire safety brake housed in already existing interstices of the structure, and a very direct Krafteitechnisch the braking forces can be achieved in the structure.
  • the locking piece When the locking piece is pivoted and abuts against the stationary stop with its stop face, a projection of the moving part to be stopped hits the locking piece. It would have to be destroyed without further action, the entire kinetic energy of the moving part suddenly. This would cause the step belt or pallet belt to stop abruptly and the people on it could fall and injure themselves. Furthermore, the locking piece would have to have enormous dimensions to withstand the high impact force of the projection can. To avoid all this, the ring may be arranged relatively rotatable relative to the deflection wheel, wherein a slip clutch is arranged between the deflection wheel and the ring. Of course, instead of the slip clutch or in combination with this, an elastic element between the rim and the guide wheel can be arranged.
  • the slip torque of the slip clutch on the contact force of the friction partners is adjustable.
  • the slip torque of the slip clutch can for example be adjusted elastically according to a spring characteristic or elastic according to a progressive spring characteristic.
  • FIG. 1 shows an escalator 1 with a handrail 7-bearing balustrade 2. Furthermore, the escalator 1 has a contoured structure 5, which carries the balustrades 2. In Fig. 1 ist es Fig. 2 regarding. The balustrades 2 have base plates 3, between which laterally guided steps 4 are arranged circumferentially. The escalator 1 connects one first floor E1 with a second floor E2. Casters 8 of the stages 4 travel on track rails 10, 11, or on tracks 12, 13, which are connected to the structure 5 of the escalator 1. Even if the FIG. 1 1 shows an escalator 1 with steps, it is obvious that the present invention is also suitable for a moving walk with a pallet band.
  • the structure 5 may be a truss, a carrier, a foundation and the like.
  • the steps 4 are connected together to form a revolving step band.
  • the supporting structure 5 has in the area of the first floor E1 a first deflection area 15 and in the area of the second level E2 a second deflection area 16, in which the step band between a flow V and a return R is deflected. Due to the indicated arrow direction of the flow V and the return R users are transported from the second floor E2 to the first floor E1 in the illustrated embodiment. Of course, an operation of the escalator in the opposite direction is possible.
  • a first deflection wheel pair 17 is arranged in the first deflection region 15, and a second deflection wheel pair 18 is rotatably arranged in the second deflection region 16.
  • the second Umlenkyerfar 18 is connected to a drive unit 6.
  • the drive unit 6 can also be arranged at another location of the escalator 1 or the moving walk and drive the step belt or pallet band.
  • FIGS. 1 to 6 the same reference numerals for the same parts.
  • the safety brake 20 can act on a schematically illustrated switching element 50, which can interrupt the power supply of the drive unit 6.
  • this switching element 50 may be a motor contactor or a thyristor, which interrupts the power supply 51 of an electric motor of the drive unit 6.
  • FIG. 2 shows that in the FIG. 1 only schematically illustrated second Umlenkyercrue 18 and the better overview because of only a small part of the daily work 5.
  • the two deflection wheels 41, 42 of the Umlenkyercrues 18 are connected to a shaft 43 which has journals 58.
  • the step belt or pallet belt not shown, is deflected.
  • the torque of the drive unit (not shown) is transmitted to suitable projections of the step band, for example chain axles, chain pins, pins, bolts, rollers and the like, by the recesses 45 formed on the circumference of the deflection wheels 41, 42.
  • the bearing pins 58 are rotatably mounted in non-illustrated bearing points of the structure 5.
  • a gear 44 is arranged on the shaft 43 laterally of one of the deflection wheels 42, which by means of a duplex chain, not shown in the FIG. 1 shown drive unit 6 is connected.
  • the gear 44 and the mentioned duplex chain are mentioned only as an example and it is at the discretion of the expert to provide a different transmission of the torque from the drive unit 6 to the second Umlenkyercrustation 18.
  • the gear 44 is shown broken out at one point, so that the most important parts of the support 5 arranged on the safety brake 20 can be viewed.
  • the safety brake 20 is operated by means of an actuating element 30.
  • the actuator 30 is an electromagnet.
  • the actuating element 30 acts via an only partially visible pivoting lever 31 on a locking piece 21, so that it can be pivoted from a release position into the illustrated locking position.
  • FIG. 3 shows a three-dimensional detail view of Umlenkyerfares 18 from the in FIG. 2 indicated viewing direction A.
  • the actuating element and the pivot lever which acts on a pivot axis 22, not shown.
  • the lock piece 21 is cut in a plane orthogonal to the pivot axis 22 to show the components disposed inside the lock piece 21.
  • the pivot axis 22 is pivotally mounted in a bearing arm 52 which is fixedly connected to the supporting structure 5.
  • the locking piece 21 has a slot or slot-formed linear guide 23, which is arranged on the central longitudinal axis 24 of the locking piece 21 and extending in the longitudinal direction thereof.
  • the slot 23 extends only over a certain part of the locking piece 21 and thereby defines a first position 25 and a second position 26, which can take the locking piece 21 with respect to its linear displaceability relative to the pivot axis 22.
  • the pivot axis 22 is passed through the slot 23. In the FIGS. 4 to 6 the slot 23 and the first position 25 and the second position 26 are much better visible.
  • the locking piece 21 is shown in the release position and can interlock positively by pivoting about the pivot axis 22 in the Umlenkizafar 18 and block it. Accordingly, the Umlenkizaphil 18 contours that are suitable to rest on the locking piece 21 when it is in the locking position and meet the contours of the locking piece 21.
  • these contours are provided by a ring 46 with projections 47 which is connected to the Umlenkmanncru 18 and whose projections 47 move with the Umlenkmanncru 18 in a fixed, annular space 48.
  • a ring 46 with projections 47 which is connected to the Umlenkmanncru 18 and whose projections 47 move with the Umlenkmanncru 18 in a fixed, annular space 48.
  • the locking piece 21 is held in the release position, it is completely outside of this annular space 48. If by pivoting or pivoting the linear guide 23 about the pivot axis 22 with the linear guide 23 linearly guided and mitschwenkende locking piece 21 penetrates into this fixed space 48 and assumes the locking position, inevitably meets a projection 47 of the rotating Umlenkizaphiles 18 on the locking piece 21 and blocks or stops the Umlenkmanncru 18 and thus also the step belt or pallet belt.
  • the locking piece 21 strikes a projection 47 in an intermediate position between the release position and the locking position, it rests against it and is pushed back as far as along the linear guide 23 from the first position 25 to the second position 26 this hit projection 47 can move past the locking piece 21.
  • the linear guide 23 and the locking piece 21 continue to pivot during this pushing back until the locking piece 21 abuts against a stop 53, the fixed to the structure 5 is arranged.
  • the struck projection 47 has moved on and there is a gap between the struck projection 47 and the subsequent projection 47 in the area of the pivoted locking piece 21, the locking piece 21 is returned to the first position by an elastic element 27 from the second position 26 25 pushed back, thereby reaching the locking position.
  • the Umlenkyerfar 18 moves or continues to rotate until the on the hit projection 47 subsequent projection 47 strikes the locking piece 21 and is stopped by this.
  • the elastic element 27 positions the locking piece 21 relative to the pivot axis 22 in the first position 25.
  • the elastic element 27 in the present embodiment a Helical compression spring, cocked.
  • the elastic element 27 may also be a gas cylinder, a hydraulic cylinder, a piece of elastomeric material or the like.
  • the elastic element 27 is arranged in the interior of the locking piece 21 in an opening or in a bore which is likewise arranged on the central longitudinal axis 24 of the locking piece 21, extends over the longitudinal direction of the locking piece 21 and opens into the slot 23.
  • a pestle-shaped element 29 is guided through the helical compression spring 27 and arranged in the opening.
  • the pestle-shaped element 29 is further arranged displaceably in a transverse bore of the pivot axis 22. This allows the torque in the FIG. 2 partially detectable pivot lever 31 the locking piece 21 are transmitted.
  • the pestle-shaped element 29 is a shaft screw, wherein the shaft is hidden by the helical compression spring 27 and only the head and its threaded end screwed into the locking piece 21 in the region of the first position 25 is visible.
  • the elastic member 27 and the helical compression spring is at one end on the screw head of the plunger-shaped element 29 and the other end against the pivot axis 22 and holds by its spring force the locking piece 21 with respect to the pivot axis 22 in the first position 25th
  • the locking piece 21 has a stop surface which is supported in the locking position on the stationary stop 53.
  • This stop 53 is arranged as close as possible to the moving part or the rim 46, so that the bending moments that occur when the projection 47 strikes the locking piece 21 are as small as possible.
  • the locking piece 21 is pivoted and a projection 47 of the Umlenkyerpases 18 to be stopped impinges on the locking piece 21, would be destroyed without further measures, the entire kinetic energy of the moving part abruptly. This would cause the step belt or pallet belt to stop abruptly. The persons on it could fall and injure themselves severely. Furthermore, the locking piece 21 would have to have enormous dimensions to withstand the high impact force of the projection 47 can. To avoid all this, the rim 46 is arranged relatively rotatable relative to the deflection wheel pair 18. Between the rim 46 and the Umlenkmanncru 18 a slipping clutch 49 is further arranged, wherein in the FIG. 3 of the friction clutch 49 only a spring-loaded pressure ring is visible.
  • the slip clutch 49 may include a slip pad, a brake pad, springs, and the like.
  • the rim 46 may also be a pinion or a disc.
  • the slip clutch 49 allows that after the engagement of the locking piece 21 in the fixed space 48, only the ring 46 is abruptly stopped with the projections 47 and the rest of the moving part, namely in the FIG. 1 shown first and second Umlenkizafar 17, 18 as well as the stepped step 4 composite step band is defined braked and can leak to a stop.
  • FIGS. 4 to 6 all show a detail view of the in FIG. 3 indicated viewing direction B, wherein the FIGS. 4 to 6 show different operating states of the locking piece 21 and thus the safety brake. Since only the area of the locking piece 21 and its interaction with the second pair of deflection wheels 18 should be described in more detail, only one half of the Umlenkyerfares 18 is shown. Also in the FIGS. 4 to 6 the gear 44 is shown broken out, so that the locking piece 21 and the projections 47 of the rim 46 are visible. Furthermore, the locking piece 21 is shown cut so that the function of the elastic element 27 can be seen.
  • FIG. 4 shows the locking piece 21 of the safety brake in the release position.
  • the elastic member 27 holds the locking piece 21 in the first position 25, that is, the locking piece 21 abuts in the first position 25 on the pivot axis 22.
  • a projection 47 of the ring 46 is located in the region of the locking piece 21 and can move freely past this in a predetermined direction of rotation D. From the FIG. 1 It can be seen that, in an emergency, the feed V of the step belt or pallet belt must be prevented from moving from the second floor E2 in the direction of the first floor E1.
  • the predetermined direction of rotation D therefore corresponds to this direction of movement of the forward V.
  • FIG. 5 shows the locking piece 21 in the pivoted or pivoted position, it lies against the stop 53.
  • a projection 47 in the region of the locking piece 21. This met with this projection 47 and would wedge with him, if not as shown, the locking piece 21 to the pivot axis 22 would be linearly displaceable.
  • the locking piece 21 is prevented by the projection 47 from penetrating into the defined space 48 and has been pushed back from this to the second position 26 as a result of the collision with the struck projection 47.
  • the projection 47 despite the pivoted locking piece 21 can move past this.
  • the pestle-shaped element 29 can be seen, which has been pushed through the bore of the pivot axis 22.
  • the elastic element 27 is tensioned.
  • the locking piece 21 is replaced by the biased elastic member 27 is shifted from the second position 26 to the first position 25, so that the locking piece 21 penetrates into the defined space 48.
  • FIG. 6 shows the locking piece 21 in a pivoted position and after it could penetrate into the defined space 48.
  • the locking piece 21 has now reached the locking position and is supported by the stop 53.
  • a projection 47 of the rim 46 is applied to the locking piece 21 and is positively locked by this in the direction of rotation D.
  • the locking piece 21 thus prevents the projection 21 and thereby the Umlenkyercru 18 on a further rotational movement in the direction of rotation D.
  • FIG. 7 shows a further embodiment of a safety brake 120 in three-dimensional view. From the escalator or moving walk only the stop 53 is shown.
  • the safety brake 120 has a locking piece 121, which is guided linearly displaceable in a tube 123 serving as a linear guide.
  • the tube 123 has, for example, a square tube cross section. Of course, other tube cross-sectional shapes are possible.
  • a pivot axis 122 is arranged, the bearing points are designed for pivotal mounting on a supporting structure, not shown, an escalator or moving walk.
  • an eye 134 is arranged on the tube 123, which is connected by means of a linkage 131 with a serving as actuator 130 pneumatic cylinder.
  • the tube 123 further has a slot 136 through which a transverse pin 132 projects, which is fixedly connected to the locking piece 121.
  • the locking piece 121 can thus be limited by the length of the slot 136, moved between a first position 125 and a second position 126 or linearly displaced.
  • the tube 123 also has a tab 133. Between this and the transverse pin 132, a tension spring is arranged as an elastic element 127, which positions the locking piece 121 in the illustrated, first position 125.
  • a switching cam 135, which actuates a switching element 50 in the illustrated locking position, is formed on the tube 123.
  • This switching element 50 interrupts as described above in the description of FIG. 1 mentions the power 51 to Drive unit 6.
  • the safety brake 20, 120 is lightweight, simple in construction and inexpensive. The handling is very simple and it takes fewer steps to the safety brake 20, 120 build up or dismantle. In addition, the safety brake 20, 120 can be reset very quickly after use. Furthermore, the safety brake 20, 120 can be used several times a day. In addition, the still-life of the escalator or the moving walk is significantly shortened and the operator receives a significant added value or considerable added value.
  • the invention can be applied to escalators or escalators and moving walks or moving walkways alike.

Landscapes

  • Escalators And Moving Walkways (AREA)
  • Braking Arrangements (AREA)

Claims (16)

  1. Frein de sécurité (20, 120) d'un escalier roulant (1) ou d'un trottoir roulant, lequel frein de sécurité (20, 120) contient au moins une pièce de verrouillage (21, 121) qui est disposée de manière à adopter, en pivotant sur un pivot (22, 122), une position de déblocage ou une position de verrouillage, étant précisé que la pièce de verrouillage (21, 121), dans sa position de verrouillage, s'engage dans au moins une partie en mouvement (4, 6, 17, 18) de l'escalier roulant (1) ou du trottoir roulant et bloque ladite partie en mouvement, caractérisé en ce que le frein de sécurité (20, 120) comporte un guide linéaire (23, 123) grâce auquel la pièce de verrouillage (21, 121) est guidée linéairement par rapport au pivot (22, 122) entre une première position (25, 125) et une seconde position (26, 126), et le guide linéaire (23, 123) est monté sur une partie fixe (5, 52) de l'escalier roulant (1) ou du trottoir roulant grâce au pivot (22, 122).
  2. Frein de sécurité (20, 120) selon la revendication 1, étant précisé que la pièce de verrouillage (21, 121) présente une surface de butée qui, dans la position de verrouillage, s'appuie contre une butée (53) qui est disposée sur la partie fixe (5).
  3. Frein de sécurité (20, 120) selon la revendication 1 ou 2, étant précisé qu'il est prévu entre le pivot (22, 122) et la pièce de verrouillage (21, 121) un élément élastique (27, 127) qui positionne la pièce de verrouillage (21, 121) dans la première position, par rapport au pivot (22, 122).
  4. Frein de sécurité (20, 120) selon la revendication 3, étant précisé que la pièce de verrouillage (21, 121) présente une ouverture dans laquelle est disposé l'élément élastique (27).
  5. Frein de sécurité (20, 120) selon la revendication 3, étant précisé que l'élément élastique (127) est disposé sur le côté extérieur de la pièce de verrouillage (21, 121).
  6. Frein de sécurité (20, 120) selon l'une des revendications 1 à 5, étant précisé que la pièce de verrouillage (21, 121) présente une fente (23) qui sert de guide linéaire (23).
  7. Frein de sécurité (20, 120) selon l'une des revendications 1 à 5, étant précisé que le guide linéaire (123) est disposé sur un côté extérieur de la pièce de verrouillage (21, 121).
  8. Frein de sécurité (20, 120) selon l'une des revendications 1 à 7, étant précisé qu'il comporte un élément d'actionnement (30, 130) qui fait pivoter la pièce de verrouillage (21, 121), sur le pivot (22, 122), de la position de déblocage jusqu'à la position de verrouillage.
  9. Frein de sécurité (20, 120) selon la revendication 8, étant précisé que l'élément d'actionnement (30, 130) est un électro-aimant contraint par ressort (30), un vérin pneumatique (130), un vérin hydraulique (130), un moteur électrique, un moteur de commande, un moteur pas à pas ou un servomoteur.
  10. Frein de sécurité (20, 120) selon l'une des revendications 1 à 9, étant précisé que grâce à la pièce de verrouillage (21, 121) peut être actionné un commutateur qui coupe une ligne électrique (51) d'une unité d'entraînement (6) de l'escalier roulant (1) ou du trottoir roulant.
  11. Escalier roulant (1) ou trottoir roulant avec au moins un frein de sécurité (20, 120) selon l'une des revendications 1 à 10 et comportant également, comme partie fixe, une ossature (5) avec une première zone de renvoi (15) et une seconde zone de renvoi (16), et, comme partie en mouvement, une seconde paire de roues de renvoi (18) montée en rotation dans la seconde zone de renvoi (16), s'il y en a, une première paire de roues de renvoi (17) montée en rotation dans la première zone de renvoi, et une bande sans fin de marches ou de palettes qui est disposée entre les deux zones de renvoi (15, 16) et qui est déviée par des roues de renvoi (41, 42) de la paire de roues de renvoi (17, 18), caractérisé en ce que la pièce de verrouillage (21, 121), dans sa position de verrouillage, bloque la paire de roues de renvoi (18) associée au frein de sécurité (20, 120).
  12. Escalier roulant (1) ou trottoir roulant selon la revendication 11, étant précisé qu'il est prévu, sur le côté de la roue de renvoi (42) d'une paire de roues de renvoi (17, 18), une couronne (46) avec des saillies (47), et que la pièce de verrouillage (21, 121), dans sa position de verrouillage, fait obstacle à l'une au moins de ces saillies (47).
  13. Escalier roulant (1) ou trottoir roulant selon la revendication 12, étant précisé que le pivot (22, 122) de la pièce de verrouillage (21, 121) est orthogonal par rapport à un axe de rotation de la paire de roues de renvoi (17, 18).
  14. Escalier roulant (1) ou trottoir roulant selon la revendication 12 ou 13, étant précisé que la couronne (46) est disposée en rotation par rapport à la roue de renvoi (42), et qu'il est prévu entre la roue de renvoi (42) et la couronne (46) un accouplement à glissement (49).
  15. Escalier roulant (1) ou trottoir roulant selon la revendication 14, étant précisé que le couple de glissement de l'accouplement à glissement (49) est réglable.
  16. Escalier roulant (1) ou trottoir roulant selon la revendication 15, étant précisé que le couple de glissement de l'accouplement à glissement (49) est réglable élastiquement suivant une courbe caractéristique de ressort ou élastiquement suivant une courbe caractéristique de ressort progressive.
EP13732989.2A 2012-07-13 2013-07-03 Frein de sécurité pour un escalier roulant ou un trottoir roulant Active EP2872436B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP13732989.2A EP2872436B1 (fr) 2012-07-13 2013-07-03 Frein de sécurité pour un escalier roulant ou un trottoir roulant

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
EP12176419 2012-07-13
EP13732989.2A EP2872436B1 (fr) 2012-07-13 2013-07-03 Frein de sécurité pour un escalier roulant ou un trottoir roulant
PCT/EP2013/064073 WO2014009227A1 (fr) 2012-07-13 2013-07-03 Frein de sécurité destiné à un escalier roulant ou à un trottoir roulant

Publications (2)

Publication Number Publication Date
EP2872436A1 EP2872436A1 (fr) 2015-05-20
EP2872436B1 true EP2872436B1 (fr) 2016-05-25

Family

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EP13732989.2A Active EP2872436B1 (fr) 2012-07-13 2013-07-03 Frein de sécurité pour un escalier roulant ou un trottoir roulant

Country Status (16)

Country Link
US (1) US8800743B2 (fr)
EP (1) EP2872436B1 (fr)
KR (1) KR102061380B1 (fr)
CN (1) CN104487376B (fr)
AU (1) AU2013289389B2 (fr)
BR (1) BR112015000460B1 (fr)
CA (1) CA2875952C (fr)
ES (1) ES2588033T3 (fr)
HK (1) HK1208661A1 (fr)
MX (1) MX351020B (fr)
PL (1) PL2872436T3 (fr)
RU (1) RU2581640C1 (fr)
SG (1) SG11201408544WA (fr)
TW (1) TWI573754B (fr)
WO (1) WO2014009227A1 (fr)
ZA (1) ZA201409330B (fr)

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KR101438075B1 (ko) * 2014-06-09 2014-09-12 (주)미주하이텍 에스컬레이터용 완속 제동 장치
JP6032297B2 (ja) * 2015-01-27 2016-11-24 三菱電機ビルテクノサービス株式会社 エスカレータ
ZA201604435B (en) * 2015-06-30 2017-08-30 Remsafe Pty Ltd An equipment isolation system
CN111032560B (zh) * 2017-08-30 2021-09-21 通力电梯有限公司 乘客输送机
KR101888950B1 (ko) * 2018-01-05 2018-08-16 제일에스컬레이터(주) 에스컬레이터용 역회전 방지 장치
CN113905971B (zh) * 2019-05-28 2024-09-13 太星电梯株式会社 自动扶梯用超速及防倒转装置
JP7371517B2 (ja) * 2020-02-10 2023-10-31 マツダ株式会社 搬送装置
CA213755S (en) * 2020-06-15 2023-05-15 Inventio Ag Travelator
WO2023227333A1 (fr) 2022-05-24 2023-11-30 Inventio Ag Procédé de mesure de la distance de freinage d'un escalier mécanique ou d'un trottoir roulant

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Also Published As

Publication number Publication date
BR112015000460A2 (pt) 2017-06-27
CA2875952C (fr) 2020-01-14
TW201407061A (zh) 2014-02-16
BR112015000460B1 (pt) 2021-07-20
MX351020B (es) 2017-09-28
EP2872436A1 (fr) 2015-05-20
MX2015000478A (es) 2015-04-08
ES2588033T3 (es) 2016-10-28
AU2013289389B2 (en) 2017-09-28
US8800743B2 (en) 2014-08-12
US20140014464A1 (en) 2014-01-16
RU2581640C1 (ru) 2016-04-20
HK1208661A1 (en) 2016-03-11
AU2013289389A1 (en) 2015-01-29
WO2014009227A1 (fr) 2014-01-16
PL2872436T3 (pl) 2016-11-30
KR102061380B1 (ko) 2020-02-11
SG11201408544WA (en) 2015-02-27
CN104487376A (zh) 2015-04-01
TWI573754B (zh) 2017-03-11
KR20150036039A (ko) 2015-04-07
ZA201409330B (en) 2016-08-31
CN104487376B (zh) 2016-10-19
CA2875952A1 (fr) 2014-01-16

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