EP3405423A1 - Braking device for a car of a lift system - Google Patents
Braking device for a car of a lift systemInfo
- Publication number
- EP3405423A1 EP3405423A1 EP17701060.0A EP17701060A EP3405423A1 EP 3405423 A1 EP3405423 A1 EP 3405423A1 EP 17701060 A EP17701060 A EP 17701060A EP 3405423 A1 EP3405423 A1 EP 3405423A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- brake pad
- wedge
- shaped
- braking device
- car
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 238000000034 method Methods 0.000 claims description 15
- 230000005291 magnetic effect Effects 0.000 claims description 13
- 230000008569 process Effects 0.000 claims description 11
- 230000009471 action Effects 0.000 claims description 2
- 230000000903 blocking effect Effects 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 31
- 230000008901 benefit Effects 0.000 description 10
- 238000006243 chemical reaction Methods 0.000 description 8
- 238000013461 design Methods 0.000 description 7
- 230000000979 retarding effect Effects 0.000 description 5
- 230000001960 triggered effect Effects 0.000 description 5
- 230000004888 barrier function Effects 0.000 description 4
- 230000003111 delayed effect Effects 0.000 description 4
- 230000007246 mechanism Effects 0.000 description 4
- 239000000725 suspension Substances 0.000 description 3
- 208000027418 Wounds and injury Diseases 0.000 description 2
- 230000006378 damage Effects 0.000 description 2
- 208000014674 injury Diseases 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000012546 transfer Methods 0.000 description 2
- 230000015556 catabolic process Effects 0.000 description 1
- 229910010293 ceramic material Inorganic materials 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 239000003302 ferromagnetic material Substances 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000007257 malfunction Effects 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 238000005192 partition Methods 0.000 description 1
- 239000002861 polymer material Substances 0.000 description 1
- 230000001603 reducing effect Effects 0.000 description 1
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
- B66B5/22—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 linearly-movable wedges
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B1/00—Control systems of elevators in general
- B66B1/02—Control systems without regulation, i.e. without retroactive action
- B66B1/06—Control systems without regulation, i.e. without retroactive action electric
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B9/00—Kinds or types of lifts in, or associated with, buildings or other structures
- B66B9/003—Kinds or types of lifts in, or associated with, buildings or other structures for lateral transfer of car or frame, e.g. between vertical hoistways or to/from a parking position
Definitions
- the present invention relates to a braking device for a car of an elevator system, which is movable up and down in a vertical shaft, wherein the car moves along one or more vertical guide rails, and wherein the braking device comprises two opposing brake pads, the guide rails between absorb themselves and develop a braking effect by frictional engagement when they engage the guide rails.
- Such a braking device is known from WO 2015 / 144686A1.
- the braking device is designed for use when driving along a vertical elevator shaft.
- the control of the elevator system is usually designed so that braking is triggered in every dangerous situation in order to bring the car to a halt quickly. This should be done especially in case of total failure of the power supply of the elevator system, which is why the braking device is conveniently designed so that it is actively held in an open state during operation and at least one brake pad is automatically brought into engagement with the guide rail when the power supply is lost ( in particular by the pressure force of a prestressed spring).
- a braking device for a car of an elevator system wherein the braking device comprises a first brake pad and a second brake pad, which face each other and a guide rail between them and develop a braking effect by frictional engagement when they engage the guide rails.
- the first brake pad is wedge-shaped and tapers in the direction of a wedge direction.
- the guide rail facing the front of the first brake pad is aligned parallel to the guide rail and the opposite rear side is inclined according to the wedge shape.
- the braking device comprises a brake pad receiving, which has a contact surface with a corresponding to the wedge-shaped pad slope, against which the back of the wedge-shaped brake pad slidably.
- the braking device further comprises a locking device having a first position and a second position, wherein the locking device is adapted to release in the first position, a sliding movement of the wedge-shaped first brake pad against the wedge direction and in the second position, the sliding movement of the wedge-shaped first brake pad against the wedge direction to block
- This embodiment has the advantage that there are two settings of the braking device.
- the first setting of the braking device the locking device assumes the first position.
- the braking effect depends on the direction of travel.
- an active braking occurs when the braking device is triggered.
- the second setting of the braking device the locking device takes the second position.
- the braking effect is independent of the direction of travel. This setting can be used in particular for the deceleration of a ride between several vertically extending elevator shafts (sideways travel).
- the described effect is achieved in that one of the brake pads is wedge-shaped, tapers in the direction of a wedge direction and a sliding movement of the wedge-shaped brake pad is released against the wedge direction.
- Driving in Direction of the wedge direction typically upwards
- no or at most a slight braking effect When a braking is triggered, ie, the opposite pads go into a closed state and engage the guide rail, the wedge-shaped first brake pad by the Friction pulled from its first working position against the wedge direction and slides along the inclined contact surface of the brake pad receptacle of the guide rails away, so that the frictional engagement is canceled.
- the wedge-shaped first brake pad When driving against the wedge direction (typically downwards), however, the following effect occurs:
- a braking When a braking is triggered, the wedge-shaped first brake pad is pulled by the frictional engagement from its first working position in the wedge direction. If a sliding movement of the wedge-shaped brake pad in this direction is possible, this slides along the inclined contact surface of the brake pad receptacle on the guide rail, so that builds up the braking effect successively and reinforced.
- the full braking effect only occurs when the wedge-shaped brake pad can not move further in the wedge direction. The full braking effect is therefore delayed. If the sliding movement of the wedge-shaped first brake pad is blocked in this direction, the wedge-shaped brake pad immediately acts like a normal brake pad. So there is either a delayed or a normal braking effect, but not a reduced braking effect as in the case of a drive in the direction of the wedge direction.
- the wedge shape of the first brake pad has the additional advantage that the braking device can be aerated in the first setting after the end of the braking process in a simple manner by the car, for example by means of the drive, is moved in the wedge direction.
- This movement of the car in the wedge direction automatically leads to the wedge-shaped first brake pad, which is still in contact with the guide rail after completion of the braking operation, moved counter to the wedge direction and thus automatically slides away from the guide rail.
- the brake device is vented and the car released.
- the wedge-shaped brake pad thus acts like an ordinary Brake pad during a drive in the direction of the wedge direction while the brake device assumes the second setting.
- one of the two brake pads is wedge-shaped and combined with a corresponding brake pad receptacle.
- the opposite second brake pad is then formed, for example, cuboid with mutually parallel front and rear sides.
- the second brake pad need not necessarily be equipped with a friction surface to form a frictional engagement with the guide rail.
- a drag must be transmitted to the guide rail, which counteracts the contact pressure of the first brake pad. Consequently, the second brake pad may also be formed, for example, as a roller assembly, which rolls on the guide rail during braking.
- the rear side of the wedge-shaped brake pad can rest directly on the contact surface in a sliding manner or slide against the contact surface indirectly via a roller bearing.
- a roller bearing By a roller bearing, the friction is further reduced this area and the effect of the invention even further improved.
- the two brake pads take in the closed state of the braking device, the guide rails into engagement, preferably by one or both brake pads are pressed by means of a spring to the guide rails.
- the cases are possible that only a block-shaped brake pad is pressed, only a wedge-shaped brake pad including the brake pad receptacle, or two wedge-shaped brake pads including the pad recordings.
- the contact pressure of a wedge-shaped brake pad thus always takes place indirectly via the corresponding brake pad receptacle.
- the wedge-shaped pad and the receptacle thus form a unit that replaces a conventional pad.
- At least one spring for adjusting the brake pad is biased by an active mechanism when the brake device is open, so that when the power supply of the brake device is interrupted, the at least one spring is released and the brake pads engage the guide rails to take.
- the two brake pads in the closed state of the braking device engage the guide rail by one or both brake pads are pressed by means of an actuator to the guide rails.
- This contact pressure by the actuator can take place against the restoring force of a spring, which keeps the relevant brake block spaced from the guide rail when the brake device is open.
- the actuator may be, for example, a hydraulic device. In this design, however, no release of the brake in an interruption of the power supply is possible.
- Both the at least one wedge-shaped and the optionally present block-shaped brake pad can either be formed in one piece or each comprise a carrier and a brake pad.
- the brake pads or brake pads may be wholly or partly formed of a metallic material, a polymer material or a ceramic material. These materials preferably contain fillers to increase friction and / or wear resistance.
- the first brake pad and the second in the manner described above are wedge-shaped and combined with a corresponding brake pad receptacle.
- both brake pads are wedge-shaped and taper in the direction of a (common) wedge direction, wherein the guide rail facing the front sides of the brake pads are aligned parallel to the guide rail and the opposite rear sides are inclined according to the wedge shape.
- the braking device comprises two brake pad receptacles, which have a contact surface with a corresponding to the respective wedge-shaped brake pad inclination, against which the back of the respective wedge-shaped brake pad slidably.
- the locking device is arranged in this case, in the first position to release a sliding movement of the wedge-shaped brake pads against the wedge direction and to block the sliding movement of the two wedge-shaped brake pads against the wedge direction in the second position.
- the braking deceleration when driving in the wedge direction can be further enhanced, as is further delayed by the sliding movement of both wedges of the frictional engagement. If in the following description, for the sake of simplicity, only the wedge-shaped brake pad and the brake pad receptacle are used in the singular, the corresponding information always applies even in the event that both brake pads are designed in a wedge-shaped manner.
- the brake pad receiving at its wedge end located on a stop surface for the first brake pad, so that a sliding movement of the first brake pad along the contact surface of the brake pad receiving in the wedge direction is limited by the stop surface and wherein the first brake pad in a first working position, in the locking device occupies the first position, has a distance from the stop surface.
- the locking device is set to lock in the second position, the wedge-shaped first brake pad in a second working position in which the wedge-shaped first brake pad rests against the stop surface. In this way, movement of the wedge-shaped first brake pad is prevented both in the wedge direction and against the wedge direction.
- the wedge-shaped brake pad acts like a normal brake pad without any retarding effect. In particular, the braking effect of the thus locked brake pad is independent of the direction of travel.
- the locking device comprises a locking bolt which is movable between a first position in the first position and a second position in the second position.
- the locking bolt is set up in the second position to block the sliding movement of the wedge-shaped first brake pad against the wedge direction in a form-fitting manner.
- the locking pin releases the sliding movement of the wedge-shaped first brake pad against the wedge direction.
- the wedge-shaped first brake pad is connected to a rear-part device, in particular a spring, around the first brake pad from the second
- the spring is designed as a helical spring which surrounds the locking bolt. This makes it possible to achieve a particularly space-saving design of the locking device.
- the locking device comprises a magnet which is set up so that its magnetic forces in the second position act on the wedge-shaped brake pad in such a way that the sliding movement of the wedge-shaped first brake pad is blocked against the wedge direction.
- This embodiment can be developed such that the, acting on the wedge-shaped first brake pad magnetic forces of the magnet are reduced in the first position, so that the sliding movement of the wedge-shaped first brake pad is released against the wedge direction.
- This design of the locking device has the advantage that no mechanical contact between the locking device and the wedge-shaped first brake pad must be present. As a result, the wear of the locking device can be reduced.
- the magnet is an electromagnet, which is de-energized in the first position and is energized in the second position.
- This has the advantage that in an emergency power failure, the first position is automatically taken, so that when braking a ride against the wedge direction (typically downward direction), the retarding effect of the wedge-shaped pad occurs.
- the invention further relates to a car for an elevator system with a prescribed braking device.
- the car has the advantages described above with respect to the braking device.
- the braking device is typically arranged on the car such that the wedge direction is directed vertically upwards.
- the invention also relates to an elevator system with at least two elevator shafts and at least one car with a car and a guide device.
- the cabin is rotatably mounted relative to the guide device about a horizontal axis of rotation.
- a vertically extending guide rail is provided, along which the car is movable.
- each guide rails is formed with a rotatable segment, wherein the rotatable segments are aligned to each other such that the car along the segments between the elevator shafts is movable.
- a braking device described above is arranged on the guide device, so that the braking device is rotated during rotation of the guide device relative to the cabin.
- the invention also relates to a method for operating an elevator system explained above, wherein the locking device during the process of the car
- the elevator system and the method has the advantage that the same braking device can be used both for driving along the vertically extending elevator shafts (while the locking device occupies the first position) as well as sideways directed trips between the elevator shafts ( while the locking device occupies the second position).
- the absence of an additional braking device for lateral trips allows a particularly lightweight design of the car and thus an energy-saving elevator system.
- Figure 1 is a schematic representation of a first embodiment with a locking device in the first position
- Figure 2 is a schematic representation of the first embodiment with the locking device in the second position
- FIG. 3 shows a second embodiment of the braking device according to the invention
- Figure 4 is a schematic representation of the elevator system in a vertical travel
- Figure 5 is a schematic representation of the elevator system set up for a ride between elevator shafts.
- the brake device 14 includes a first brake pad 16 and a second brake pad 18 that are opposite each other and receive a guide rail 110 between them.
- the first brake pad 16 is wedge-shaped and tapers in a wedge direction 20.
- the wedge direction 20 is parallel to a main extension direction of the guide rails 110.
- the first brake pad 16 is oriented such that the guide rail 110 facing the front of the first brake pad 16 is aligned parallel to the guide rails 110 and the opposite rear side is inclined according to the wedge shape.
- the braking device 14 further comprises a brake pad receptacle 22, which has a contact surface 24 with a corresponding to the wedge-shaped first brake pad 16 inclination. This inclined back of the wedge-shaped first brake pad 16 is slidably attached to the brake pad receptacle 22 via a roller bearing 26.
- the brake pad receptacle 22 has at its end lying in the wedge direction 20 a stop surface 28 for the brake pad 16 so that a sliding movement of the first brake pad 16 along the contact surface 24 of the brake pad receptacle 22 in the wedge direction 20 is limited by the stop surface 28.
- the wedge-shaped first brake pad 16 opposite second brake pad 18 is cuboidal. This second brake pad 18 is movable toward the guide rail 110, while the brake pad receptacle 30 (with respect to the braking device 14) is stationary.
- the cuboid second brake pad 18 may be pressed by the spring 32 to the guide rails 110 in the closed state of the brake device, said spring 32 is biased in the open state of the braking device 14, an active mechanism 34 when triggering a braking by a control signal, but also at a failure of the power supply, the action of the mechanism 34 is released and the brake pads 16 and 18 engage the guide rails 110 due to the pressing force of the spring 32 in engagement.
- the braking device 14 also has a locking device 36 with a first position and a second position.
- the locking device 36 in this embodiment comprises a locking pin 38 which is movable between a first position in the first position and a second position in the second position.
- the movement of the locking bolt 38 can be realized for example elektormagnetisch, hydraulically, pneumatically or electromechanically.
- FIG. 1 shows the locking device 36 in the first position. In this first position, the locking device 36 releases a sliding movement of the wedge-shaped brake pad 16 against the wedge direction 20. The locking pin 38 of the locking device 36 thus does not block the sliding movement of the wedge-shaped brake pad 16 against the wedge direction 20 but releases it.
- the brake pad 16 is presently in a first working position in which it has a distance from the stop surface 28. Due to this distance, a limited sliding movement of the wedge-shaped first brake pad 16 in the wedge direction 20 is possible.
- the spring 40 of the wedge-shaped first brake pad 16 is held in this first working position.
- the spring 40 is designed as a helical spring which surrounds the locking bolt 38, resulting in a particularly space-saving design.
- the illustrated first position of the locking device 36 is adjusted during a process of the car along a vertically extending guide rail 110.
- braking may occur during a downward movement of the car or braking during an upward movement of the car. If the triggering of a braking during a downward movement of the car, so has the wedge-shaped first brake pad 16 together with the brake pad receptacle 22 a delaying Effect. Due to the occurring friction of the wedge-shaped first brake pad 16 is retracted in the wedge direction and slides over the roller bearing 26 along the inclined contact surface 24 of the brake pad receptacle 22 in the wedge direction 20 and to the guide rails 110 out. In this way, the braking effect is delayed. There is a friction between the brake pads 16 and 18 and the guide rail 110. The downward movement of the car is slowed down, which prevents a crash of the car in the event of a malfunction.
- the first brake pad 16 abuts the stop surface 28 in the first operating position.
- no sliding movement of the wedge-shaped first brake pad 16 in the wedge direction 20 is possible.
- the wedge-shaped first brake pad 16 has the same effect as a normal brake pad.
- the same described effect occurs that the first brake pad 16 slides against the wedge direction 20 and away from the guide rails 110, so that the braking effect is reduced.
- FIG. 1 Also shown in FIG. 1 are various sensors 42, which are connected via control lines 44 to a control unit 600 and allow monitoring of the correct positioning of the most important components. Since the braking device 14 is a safety-relevant component of the elevator system, the functionality of the braking device 14 must be ensured at all times.
- Figure 2 shows the same embodiment of the braking device 14 according to the invention, while the locking device 36 occupies the second position.
- the wedge-shaped brake pad 16 is locked in a second working position in which it rests against the stop surface 28.
- the locking pin 28 are in the second position in which it blocks the sliding movement of the wedge-shaped brake pad 16 against the wedge direction in a form-fitting manner.
- the illustrated second position of the locking device 36 is set during a process of the car between the elevator shafts, that is typically horizontal. With this setting, the braking effect is independent of the driving direction of the car.
- the same braking device 14 can thus be used during the process between the elevator shafts as a very common jaw brake. There is no delaying effect by the wedge shape of the wedge-shaped first brake pad 16. Accordingly, no additional braking device must be provided for the journey between the elevator shafts.
- FIG. 3 shows schematically a second embodiment of the braking device 14 according to the invention, while the locking device 36 occupies the second position.
- the locking device 36 comprises a magnet 46 which is designed as an electromagnet.
- the two positions of the locking device 36 differ in this case by the energization of the electromagnet.
- the solenoid 46 is energized while it is de-energized in the first position.
- the magnetic forces of the electromagnet 46 act on the wedge-shaped brake pad 16 such that the sliding movement of the wedge-shaped first brake pad 16 is blocked against the wedge direction 20.
- the wedge-shaped brake pad 16 has permanent magnets 48.
- the electromagnet 46 By energizing the electromagnet 46 forms at the poles of the electromagnet 46, a magnetic field that attracts the permanent magnet 48 and so spends the wedge-shaped first brake pad 16 in the illustrated second working position and locked there. A movement of the wedge-shaped first brake pad 16 in the wedge direction 20 is blocked in the second working position by the contact surface 28. Contrary to the wedge direction 20, by contrast, the locking device 36 with the electromagnet 46 blocks a sliding movement by means of the magnetic forces.
- the rear side of the wedge-shaped first brake pad 16 has a ferromagnetic material. Also in this case, the wedge-shaped first brake pad 16 is moved by the magnetic field of the electromagnet 46 in the second working position and there locked.
- the use of permanent magnets 48 has the advantage that a weaker electromagnet can be used in order to realize an equal magnetic attraction force.
- the electromagnet 46 In the first position of the locking device 36, the electromagnet 46 is de-energized. The magnetic forces of the electromagnet 46 are thus reduced in the first position and the sliding movement of the wedge-shaped brake pad 16 against the wedge direction 20 is released. The wedge-shaped first brake pad 16 therefore assumes the first working position due to its weight force, which is already shown and explained in FIG. By the spring 40 of the wedge-shaped first brake pad 16 is stored in this first working position.
- the spring 40 is designed as a helical spring.
- an electromagnet 46 which is energized in the first position and energized in the second position
- the same effect can also be achieved by the combination of a permanent magnet with an electromagnet.
- the two positions are exactly reversed.
- the electromagnet In the second position, the electromagnet is de-energized and only the magnetic forces of the permanent magnet act on the wedge-shaped first brake pad 16 such that the sliding movement of the wedge-shaped first brake pad 16 is blocked against the wedge direction 20.
- this When energizing the electromagnet (first position) this generates a field that at least partially cancel the magnetic field of the permanent magnet, so that the wedge-shaped brake pad is released. Also in this case, therefore, the total magnetic forces are reduced in the first position and the wedge-shaped first brake pad is released.
- FIGS. 4 and 5 A preferred embodiment of an elevator system according to the invention is shown schematically in FIGS. 4 and 5 and designated by 100.
- the elevator system 100 includes two elevator shafts 101a and 101b. Between the elevator shafts 101a and 101b, at least partially, a physical barrier 102 may be formed, for example a partition wall or wall. However, it is also possible to dispense with a physical barrier 102 between the elevator shafts 101a and 101b.
- a first guide rail 110a is arranged, in a second elevator shaft 101b a second guide rail 110b.
- a car 200 is movable, which is located in the elevator shaft 101a and 101b.
- the car 200 comprises a car 210 as well as a frame or guide device 220.
- the guide device 220 acts as a suspension for the car 210.
- the car 210 is designed as a so-called backpack suspension and has an L-shaped support structure 215.
- the supporting structure 215 absorbs the weight forces of the cabin 210 by its short leg.
- the long leg of the L-shaped support structure 215, however, is connected via the guide device 220 to the first guide rail 110a.
- the advantage of this backpack design is that the guide rail is required only on one side of the cab 210.
- the guide device 220 is connected to the cabin 210 via a horizontal axis of rotation 121a.
- the cabin 210 is rotatably mounted relative to the guide device 220 about the horizontal axis of rotation 121a.
- the car 200 is movable by means of a linear drive 300 along the guide rails 110a and 110b.
- the guide rails 110a and 110b form a first element 310 of this linear drive 300.
- This first element 310 is designed in particular as a primary part or as a stator 310 of the linear drive 300, more particularly as a long stator.
- a second element 320 of the linear drive 300 is arranged on the guide device 220 of the elevator car 200.
- This second element 320 is designed, in particular, as a secondary part or reaction part of the linear drive 300.
- the second element 320 is designed, for example, as a permanent magnet.
- the guide rails 110a and 110b are formed not only as a first element 310 of the linear drive 300, but at the same time as guide rails for the car 200.
- the guide rails 110a and 110b have for this purpose in particular a suitable guide element 410.
- At this guide element 410 engage guide rollers 420, which are formed on the guide device 220 of the car 200.
- the guide means 220 of the car 200 further comprises two brake devices 14 according to the invention, each with two opposing brake pads, which with Referring to Figures 1-3 have been described.
- both brake devices 14 are arranged on the guide device 220, that in each case a portion of the first guide rail 110a between the two opposing brake pads of the two braking devices 14 comes to rest.
- the car 200 has a backpack suspension.
- Guide device 220 and guide rails 110a and 110b are arranged on one side, in particular on a rear side, of the elevator car 200. This rear side lies opposite an entry side of the car 200.
- the entry side of the car 200 has a door 211 on. Since the guide rails 110a and 110b function both as guide rails and as part of the linear drive 300, essentially no additional elements in the elevator shafts 110a or 110b are required to move the car 200.
- the car 200 according to the invention is not limited to being moved only within one of the elevator shafts 110a or 110b, but can be moved between the two elevator shafts 110a and 110b.
- a control unit 600 which is shown purely diagrammatically in the figures, is in particular configured by programming technology to carry out a preferred embodiment of a method according to the invention for operating the elevator system 100.
- the control device 600 in particular controls the linear drive 300 and moves the car 200.
- the control device 600 controls changes and / or processes of the car 200 between the elevator shafts 110a and 110b.
- the control unit 600 continues to control the adjustment of the two brake devices 14.
- the locking devices of the two brake devices 14 are actuated such that they are each in the first position.
- the locking devices are controlled so that they are in the second position.
- the car 200 is first moved in the elevator shaft 101a and then transferred from the first elevator shaft 101a into the second elevator shaft 101b.
- a change between the elevator shafts 101a and 101b takes place in particular in the conversion plane 500.
- the barrier 102 has an opening 103. Through this opening 103, the car 200 can move between the elevator shafts 101a and 101b become.
- the first guide rail 110a has a first rotatable segment 120a and the second guide rail 120b has a second rotatable segment 120b.
- the first segment 120a or the second segment 120b is rotatably mounted about a first horizontal axis of rotation 121a and about a second horizontal axis of rotation 121b.
- the rotatable segments 120a and 120b are also controlled by the controller 600.
- the rotatable segments 120a and 120b are shown in the figures purely by way of example with a rectangular shape.
- the segments 120a and 120b may also be formed in a circular arc at their ends, on which they adjoin the remaining parts guide rails 110a and 110b.
- the guide rails 110a or 110b can likewise be curved in the same opposite circular arc shape at the locations where they adjoin the segments 120a and 120b. This ensures that the segments 120a and 120b do not strike against the other parts of the guide rails 110a or 110b during the rotation or wedge.
- segments 120a and 120b are rotated from a vertical orientation, as shown in FIG will be explained in detail.
- a compensating rail element 125 is arranged between the guide rails 110a and 110b in the region of the conversion plane 500.
- This balance rail member 125 serves to bridge a clearance between the segments 120a and 120b rotated in the horizontal orientation.
- the balancing rail element 125 functions analogously to the guide rails 110a and 110b as the first element 310 of the linear drive 300 and has guide elements 410 in order to simultaneously serve as a horizontal guide rail for the car 200.
- the compensating rail element 125 can also be curved in a circular arc at its ends, in particular curved in opposite directions to the corresponding ends of the segments 120a and 120b.
- the car 200 is first moved along the first guide rail 110a in the conversion plane 500 and thus on the rotatable segment 120a.
- FIG. 4 shows that Car 200 is already in this conversion level 500.
- the first segment 120a of the first guide rail 110a is rotated by 90 ° about the first horizontal axis of rotation 121a. This is indicated by the arrow 104.
- the second segment 120b of the second guide rail 110b is rotated by 90 ° about the second horizontal rotation axis 121b.
- the guide device 220 of the car 200 is rotated by 90 °.
- the two braking devices 14 are rotated by 90 °.
- the orientation of the cabin 210 remains unchanged, which is realized by a rotation of the cabin 210 relative to the guide device 220 by -90 °.
- the elevator system 100 is shown schematically, analogously to FIG. 4, wherein the first segment 120a and the second segment 120b are each rotated by 90 ° in the horizontal orientation.
- the cab 210 is in the second position relative to the guide 220.
- the horizontal guide rail 115 is a (substantially) closed guide rail and (FIG. essentially) without clearance.
- the control unit 600 controls the two locking device and brings them to the second position in which a sliding movement of the wedge-shaped brake pads against the wedge direction is blocked.
- the braking effect is independent of the direction of travel of the car 200. It occurs retarding braking effect by the wedge shape of the wedge-shaped first brake pad 16.
- the braking device according to the invention can thus be used for the drive between the elevator shafts as an ordinary shoe brake. There is no need to provide additional braking device specifically for travel between the elevator shafts.
- the car 200 is now moved along the horizontal guide rail 115.
- the second element 320 of the linear drive 300 on the car 200 interacts with the first element 310 of the linear drive, here the horizontal guide rail 115.
- the car 200 can now be moved from the first elevator shaft 101a into the second elevator shaft 101b and thus changes between the elevator shafts 101a and 101b. LIST OF REFERENCE NUMBERS
- Elevator system 100 first elevator shaft 101a
- Guide rail 110 first guide rail 110a second guide rail 110b
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Automation & Control Theory (AREA)
- Braking Arrangements (AREA)
- Maintenance And Inspection Apparatuses For Elevators (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
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DE102016200593.6A DE102016200593A1 (en) | 2016-01-19 | 2016-01-19 | Braking device for a car of an elevator system |
PCT/EP2017/050480 WO2017125293A1 (en) | 2016-01-19 | 2017-01-11 | Braking device for a car of a lift system |
Publications (2)
Publication Number | Publication Date |
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EP3405423A1 true EP3405423A1 (en) | 2018-11-28 |
EP3405423B1 EP3405423B1 (en) | 2023-06-07 |
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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EP17701060.0A Active EP3405423B1 (en) | 2016-01-19 | 2017-01-11 | Braking device for a car of a lift system |
Country Status (6)
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US (1) | US11084689B2 (en) |
EP (1) | EP3405423B1 (en) |
CN (1) | CN108473279B (en) |
DE (1) | DE102016200593A1 (en) |
FI (1) | FI3405423T3 (en) |
WO (1) | WO2017125293A1 (en) |
Families Citing this family (22)
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EP3386899A1 (en) * | 2015-12-07 | 2018-10-17 | Otis Elevator Company | Robust electrical safety actuation module |
DE102016200593A1 (en) * | 2016-01-19 | 2017-07-20 | Thyssenkrupp Ag | Braking device for a car of an elevator system |
CN109384118B (en) * | 2017-08-08 | 2021-03-16 | 上海三菱电梯有限公司 | Fault detection method for elevator brake control device |
DE102017220766A1 (en) * | 2017-11-21 | 2019-05-23 | Thyssenkrupp Ag | Elevator installation with a signal generating unit arranged on a car of the elevator installation |
US11807496B2 (en) * | 2017-12-07 | 2023-11-07 | Inventio Ag | Catching device for a traveling body, elevator system having a catching device and method for unblocking a catching device |
CN108002164B (en) * | 2017-12-22 | 2023-06-02 | 深圳市质量安全检验检测研究院 | Elevator brake action state detection device and detection method |
CN110361208A (en) * | 2018-03-26 | 2019-10-22 | 上海三菱电梯有限公司 | The test method and device for the method for lift car emergency braking apparatus |
DE102018206026A1 (en) * | 2018-04-19 | 2019-10-24 | Thyssenkrupp Ag | Braking device and operating method for a car of an elevator installation |
DE102018218227A1 (en) * | 2018-10-24 | 2019-11-28 | Thyssenkrupp Ag | Adjustable braking device for a car of an elevator installation |
CN109437070B (en) * | 2018-12-21 | 2024-02-13 | 核动力运行研究所 | Remote anti-falling braking mechanism |
DE202019101479U1 (en) | 2019-03-15 | 2020-06-18 | Inventio Ag | Safety brake device |
EP3733584A1 (en) * | 2019-05-03 | 2020-11-04 | Otis Elevator Company | Combined safety brake and safety actuation mechanism |
EP4056511A4 (en) * | 2019-11-08 | 2023-07-26 | Hitachi, Ltd. | Elevator device |
US11891274B2 (en) * | 2019-11-21 | 2024-02-06 | Inventio Ag | Electronic catching device that can be easily reset |
WO2021115846A1 (en) * | 2019-12-12 | 2021-06-17 | Inventio Ag | Brake device, e.g. with a wedge-shaped brake element, for braking a travelling body that can be moved in a guided manner along a guide rail in a movement direction |
EP3981722B1 (en) * | 2020-10-07 | 2024-04-10 | Otis Elevator Company | Safety brake device |
EP3995431A1 (en) * | 2020-11-06 | 2022-05-11 | Otis Elevator Company | Adjustable force safety brakes |
CN113443532B (en) * | 2021-07-29 | 2022-10-25 | 阿克陶县诚鑫路桥有限责任公司 | Anti-falling safety device of construction elevator |
DE102021125615A1 (en) | 2021-10-04 | 2023-04-06 | Tk Elevator Innovation And Operations Gmbh | Safety device for direction-related acceleration threshold values and elevator system with such a safety device and use of the safety device |
EP4177208A1 (en) * | 2021-11-05 | 2023-05-10 | Otis Elevator Company | Safety brake system |
EP4186842A1 (en) * | 2021-11-25 | 2023-05-31 | Otis Elevator Company | Progressive elevator safety brake |
CN116066491B (en) * | 2023-04-06 | 2023-07-04 | 石家庄五龙制动器股份有限公司 | Remote brake release mechanism of electromagnetic self-braking safety brake |
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FR775107A (en) * | 1934-06-27 | 1934-12-20 | Parachutes for lifting devices | |
JPH04333487A (en) * | 1991-05-09 | 1992-11-20 | Hitachi Ltd | Elevator and brake device |
JPH0648672A (en) | 1991-10-28 | 1994-02-22 | Toshiba Corp | Elevator |
TW513374B (en) * | 2000-12-08 | 2002-12-11 | Inventio Ag | Safety brake with retardation-dependent braking force |
DE60335421D1 (en) * | 2003-10-07 | 2011-01-27 | Otis Elevator Co | REMOTE RESTORABLE SEILLOSE EMERGENCY STOP DEVICE FOR ONE ELEVATOR |
MY143851A (en) * | 2006-12-05 | 2011-07-15 | Inventio Ag | Braking device for holding and braking a lift cabin in a lift facility |
DE502007007014D1 (en) | 2007-11-12 | 2011-06-01 | Thyssenkrupp Elevator Ag | Braking device for braking a car |
KR101552758B1 (en) * | 2009-10-08 | 2015-09-11 | 미쓰비시덴키 가부시키가이샤 | Tension pulley device for elevator |
WO2012128758A1 (en) * | 2011-03-22 | 2012-09-27 | Otis Elevator Company | Elevator braking system |
ES2547452T3 (en) * | 2011-09-30 | 2015-10-06 | Inventio Ag | Brake device with electromechanical drive device |
BR112013018122B1 (en) * | 2011-09-30 | 2021-03-09 | Inventio Ag | elevator brake device for braking an elevator car, elevator installation and method for braking an elevator car |
CN104837756B (en) | 2012-12-03 | 2016-11-16 | 因温特奥股份公司 | Drive the electromagnetism elevator brake for elevator device |
WO2014113006A1 (en) * | 2013-01-17 | 2014-07-24 | Otis Elevator Company | Enhanced deceleration propulsion system for elevators |
JP2016540705A (en) * | 2013-11-15 | 2016-12-28 | インベンテイオ・アクテイエンゲゼルシヤフトInventio Aktiengesellschaft | Safety brake for elevator |
DE102014004356A1 (en) * | 2014-03-27 | 2015-10-01 | Thyssenkrupp Elevator Ag | Braking device for a car of an elevator system |
DE102014104458A1 (en) * | 2014-03-28 | 2015-10-01 | Thyssenkrupp Elevator Ag | elevator system |
PL3197812T3 (en) * | 2014-09-24 | 2019-01-31 | Inventio Ag | Elevator brake |
DE102014116281A1 (en) * | 2014-11-07 | 2016-05-12 | Thyssenkrupp Ag | Elevator with a braking device |
DE102016200593A1 (en) * | 2016-01-19 | 2017-07-20 | Thyssenkrupp Ag | Braking device for a car of an elevator system |
DE102016222837A1 (en) * | 2016-11-21 | 2018-05-24 | Thyssenkrupp Ag | Method for operating an elevator installation |
-
2016
- 2016-01-19 DE DE102016200593.6A patent/DE102016200593A1/en not_active Ceased
-
2017
- 2017-01-11 WO PCT/EP2017/050480 patent/WO2017125293A1/en active Application Filing
- 2017-01-11 CN CN201780007357.4A patent/CN108473279B/en active Active
- 2017-01-11 EP EP17701060.0A patent/EP3405423B1/en active Active
- 2017-01-11 US US16/071,534 patent/US11084689B2/en active Active
- 2017-01-11 FI FIEP17701060.0T patent/FI3405423T3/en active
Also Published As
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WO2017125293A1 (en) | 2017-07-27 |
US20190144240A1 (en) | 2019-05-16 |
DE102016200593A1 (en) | 2017-07-20 |
CN108473279B (en) | 2021-06-01 |
FI3405423T3 (en) | 2023-08-29 |
EP3405423B1 (en) | 2023-06-07 |
CN108473279A (en) | 2018-08-31 |
US11084689B2 (en) | 2021-08-10 |
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