EP3052424A1 - Aufzuganlage - Google Patents
AufzuganlageInfo
- Publication number
- EP3052424A1 EP3052424A1 EP14787098.4A EP14787098A EP3052424A1 EP 3052424 A1 EP3052424 A1 EP 3052424A1 EP 14787098 A EP14787098 A EP 14787098A EP 3052424 A1 EP3052424 A1 EP 3052424A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- cars
- coupling
- elevator installation
- installation according
- relative speed
- 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
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B11/00—Main component parts of lifts in, or associated with, buildings or other structures
- B66B11/02—Cages, i.e. cars
- B66B11/0206—Car frames
- B66B11/0213—Car frames for multi-deck cars
- B66B11/022—Car frames for multi-deck cars with changeable inter-deck distances
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- 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
-
- 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
- B66B2009/006—Ganged elevator
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B2201/00—Aspects of control systems of elevators
- B66B2201/30—Details of the elevator system configuration
- B66B2201/306—Multi-deck elevator cars
Definitions
- the invention relates to an elevator installation with a shaft in which at least two cars are arranged one above the other and can be moved vertically and vertically upwards and downwards, with each car being assigned a travel drive for moving the car.
- a passenger outside the shaft of a control device of the elevator system can enter a destination call with which he indicates his destination.
- the controller may then perform an allocation score for each of the cars and may assign the destination call to the car with the best allocation score.
- the cars usually have a considerable safety distance from each other, which ensures that when driving behind each other two cars in the direction of travel rear car can be braked reliably without collision even if the front in the direction of travel in the event of a fault abruptly slows down.
- Elevator systems are also known in which two superimposed cars are permanently connected to each other and at the same time approach two floors directly adjacent to each other.
- the two cars are driven by a common drive and form a so-called double-decker lift.
- Biplane lifts are particularly suitable for commuting between two immediately adjacent starting floors and two fixed, directly adjacent destination floors.
- biplane lifts are only partially suitable because the compulsory stop of both cars on directly adjacent floors limits the transport capacity.
- Object of the present invention is to develop an elevator system of the type mentioned in such a way that the cars without risk of collision can be moved in a structurally simple manner in large and small distances from each other.
- the elevator installation according to the invention has a first operating mode and a second operating mode.
- first operating mode at least two cars, which can be moved in a common shaft, are moved separately in the shaft, wherein they can approach individually selectable start and destination floors in this mode of operation and have a rather large distance from each other.
- second operating mode of the elevator installation the at least two cars are coupled to one another via a variable-length releasable coupling device.
- the coupling device By means of the coupling device, it is ensured that, when the cars are consecutively driven, the rear car in the direction of travel has virtually the same braking deceleration as the front car in the direction of travel.
- the two cars can therefore be moved in the second operating mode without risk of collision at a very small distance from each other.
- variable-length coupling device In order to adapt the vertical distance of the coupled together cars in a structurally simple way to different floor spacings, in the elevator installation according to the invention a variable-length coupling device is used, with the aid of the distance between the coupled cars can be changed.
- the change in length requires no additional drive unit, but the change in length can be achieved with the help of at least one of the drives of the coupled together cars.
- a change in the vertical distance between the cars can only take place if the relative speed of the coupled together cars meets at least one predetermined criterion.
- the change in distance thus takes place as a function of the relative speed of the two cars. This ensures that at low relative speeds, as present for example when adjusting the vertical distance to different floor spacings, a change in distance with the help of at least one of the drives of the coupled cars can be done, but coupled in the case of a high relative speed between them - In the case of a fault, in which the car parked in the direction of travel abruptly decelerates, a distance change is blocked.
- a collision of the coupled-together cars can be reliably prevented even in the event of a fault.
- the distance between the coupled together cars at relative speeds up to a predetermined or predetermined maximum allowable relative speed is variable. It is thus possible to predetermine or specify a maximum permissible relative speed between the coupled-together cars. At relative speeds up to the maximum permissible relative speed, the vertical distance between the cars can be changed with the aid of at least one of the travel drives of the coupled-together cars. At relative speeds above the maximum permissible relative speed, the coupling device can be blocked, so that its length can not be changed and consequently a change in distance is not possible.
- the distance between two interconnected cars can be changed with the help of at least one of the drives of the cars. It is advantageous if the distance between the coupled together cars by means of the travel drives of all coupled cars in response to the relative speed between the cars is changeable.
- the coupling device comprises at least one motor coupling drive for establishing and releasing the coupling between the cars.
- the motor coupling drive can be, for example, an electric motor with comparatively low electrical power or, for example, also a hydraulic or pneumatic drive.
- the elevator installation comprises sensors which provide a signal corresponding to the relative speed of the elevator cars.
- sensors for example, decoder or speed sensor can be used or, for example, ultrasonic sensors or position sensors, with the aid of the position of the car in the shaft can be determined. From the changing position data, the speed of the cars and also the relative speed of the cars can be determined.
- At least one sensor for determining the relative speed between the cars is arranged on at least one car.
- the drive of the car takes place advantageously on suspension means over which the cars are connected to the traction drives.
- suspension cables can be used as support means in particular suspension cables.
- the coupling device has at least one movable coupling member, which an influencing member is assigned to influence the movement of the coupling member in dependence on the relative speed between the coupled together cars.
- an influencing member is assigned to influence the movement of the coupling member in dependence on the relative speed between the coupled together cars.
- To change the vertical distance between see two coupled together cars can be moved relative to at least one of the cars in such an embodiment of the invention, the at least one coupling member.
- the movement of the coupling member takes place in dependence on the relative speed between the two cars. This ensures that in the case of a fault, in which, for example, due to an emergency stop of the front in the direction of travel car is a high relative speed, a collision of the car can be reliably prevented.
- the movement of the coupling member influenced by the influencing member in particular braked or blocked.
- the speed which the coupling element has relative to at least one of the two cars can be limited by means of the influencing element. At relatively high speeds, a different speed can thus be provided for the coupling member than at relatively low relative velocities, which have the coupled together cars.
- the coupling member can be locked by means of the influencing element. This makes it possible to prevent a movement of the coupling member and thus also a change in the vertical distance of the coupled together cars at relatively high relative speeds.
- tensile and compressive forces can advantageously be transmitted between the coupled-together cars.
- the coupling device has a plurality of identically configured coupling members.
- the coupling members are arranged symmetrically to a central axis of the cars. It can be provided, for example, that the cars each have at least one coupling member on diametrically opposite sides.
- the at least one coupling member has a hydraulic or pneumatic piston-cylinder unit with a double-acting cylinder and the influencing element is designed as a balancing device, wherein the surrounding a piston rod annular space of the piston-cylinder assembly via the balancing device as a function of the Relative speed zwi ⁇ tween the two coupled cars with the front side arranged on a piston piston chamber of the piston-cylinder unit is connectable.
- the Kopp! Ungsg! Ied a hydraulic or pneumatic cylinder, in which a piston is arranged. Starting from the piston, a piston rod extends out of the cylinder.
- the interior of the cylinder is divided by the piston in an annulus and a piston chamber.
- the annular space surrounds the piston rod and the piston chamber is arranged on the end face of the piston.
- Via a compensating device a flow connection between the annular space and the piston chamber can be achieved, wherein the flow connection takes place as a function of the relative speed between the two cars, which are interconnected via the piston-cylinder unit.
- the hydraulic or pneumatic cylinder may be positioned on a first of the two cars and the piston rod may extend from the first car to the second car.
- connection between the annular space and the piston chamber is released by the compensation device, then a medium, for example compressed air or hydraulic oil, can flow from the annular space into the piston space or in the opposite direction from the piston space into the annular space to change the vertical distance between the two cars. If the connection is not released by the compensation device, then the flow connection between the annulus and the piston chamber interrupted and a media exchange is not possible, so that the piston in the cylinder can make any change in position. This in turn has the consequence that the vertical distance between the coupled via the piston-cylinder assembly cars can not be changed.
- a medium for example compressed air or hydraulic oil
- the compensation device has in an advantageous embodiment, at least one controllable depending on the relative speed between the two cars throttle or blocking element.
- the compensation device has at least one electrically controllable throttle element.
- the flow cross section of a connecting line between the annular space and the piston chamber can be changed as a function of the relative speed between the two cars.
- a relatively large flow cross section is provided by the throttle element, whereas at high relative speeds, in particular when a predefinable or predetermined maximum permissible relative speed is exceeded, the flow cross section greatly reduced, in particular to a value of 0 is reduced, so that the flow connection between the annulus and the piston chamber is interrupted by means of the throttle element.
- the compensation device has at least one hydraulically or pneumatically controllable blocking element, for example a pressure-dependent closing valve.
- the controllable blocking element in particular the pressure-dependent closing valve, can be connected in the connecting line between the annular space and the piston space and the connecting line as a function of the relative speed. lock and release between the two cars.
- the connecting line can be locked when the pressure in the connecting line upstream of the closing valve exceeds a predetermined maximum allowable pressure value due to an excessive relative speed between the two cars.
- the compensation arrangement has at least one pump.
- the pump forms a motor coupling drive, by means of which, for example, a hydraulic medium can be pressurized in order to move the piston rod for establishing and releasing the coupling between two cars.
- the power of the pump can be relatively low, since it is used only for establishing and releasing the coupling, but not for changing the distance between the cars.
- a first car is arranged below a second car, wherein the first car at least one piston-cylinder unit is arranged.
- the annular space of the double-acting cylinder of the piston-cylinder unit is connected via a compensation device with the piston chamber and the compensation device has a pump, by means of which the piston chamber can be acted upon by pressurized hydraulic fluid.
- first connecting elements may be arranged, which cooperate with the second car arranged on the second connecting elements for producing a coupling of the two cars.
- the connecting elements can be locked after the coupling.
- the preferably motor-trained locking device can move the mutually cooperating connecting elements into a release position and then the second car arranged above the first elevator car can with the help of his Travel drive in the direction away from the first car direction are moved upward.
- the at least one coupling member on a first mechanical coupling element and a second mechanical coupling element, which are engageable and movable relative to each other, and the influencing member has at least one controllable brake element, wherein the relative movement of the two coupling elements in Dependence on the relative speed of the coupled together by means of the braking elements braking and / or lockable.
- the first mechanical coupling element is designed as a rotatably mounted on a first of the interconnectable cars around its longitudinal axis threaded spindle
- the second coupling element is designed as held on a second of the interconnected cars threaded nut, with the threaded spindle can be brought into engagement, wherein the threaded spindle by means of a controllable braking element in dependence on the relative speed between the two cars lockable and / or can be limited in their speed.
- the coupling of the two cars takes place in such an embodiment of the invention via at least one threaded spindle and an engaged with this threaded nut.
- the threaded spindle is rotatable about its longitudinal axis, wherein the rotation can be influenced by means of a controllable braking element. If the two cars are moved relative to each other, then the threaded spindle rotates and thereby the threaded nut moves along the threaded spindle, so that the vertical distance between the two cars changes. However, such a change takes place only at relatively low relative speeds, in particular at relative speeds below a predetermined or predefinable maximum permissible relative speed. If the actual relative speed is greater than the maximum permissible relative speed, then the brake element brakes the threaded spindle, so that this is completely locked or can only accept a relatively low speed.
- the threaded spindle can be driven in rotation by means of a motor coupling drive, in particular by means of an electric motor. This makes it possible to selectively establish or release the coupling between the two cars via the threaded rod and the threaded nut by activating the motor coupling drive.
- any self-locking of the threaded spindle can be overcome by the motor coupling drive.
- the first mechanical coupling element is designed as held on a first of the interconnected cars rack and that the second mechanical coupling element is configured as rotatably mounted on a second of the interconnected cars cogwheel, which can be brought into engagement with the rack is limited by means of a controllable braking element in dependence on the relative speed of the two cars in its speed and / or lockable.
- the coupling between a first and a second car by means of at least one rack and meshing with the rack gear, which is decelerated and / or locked depending on the relative speed between the two cars by means of a braking element can be.
- a change in the vertical distance between the first and the second car can be achieved at low relative speeds using the drives of the cars, the rack and the gear change their relative position.
- a relatively large relative speed in particular a relative speed which is greater than the maximum permissible relative speed, the rotational movement of the gear is braked and / or the gear is locked, so that at most a slow change in distance or no change in distance between the cars is possible.
- the at least one coupling member has a plurality of mechanical coupling elements, which are arranged on a first of the interconnected cars and movably connected to each other and detachably coupled to a second of the interconnected cars, wherein the coupling elements between a compact storage position and different extended coupling layers back and forth and can be braked and / or locked by means of the influencing element in dependence on the relative speed of the two cars.
- the coupling of the two cars takes place with the help of the extendable from a compact storage position in different extended coupling layers coupling elements.
- the movement of the coupling elements is decelerated and / or locked by the influencing member as a function of the relative speed between the two cars.
- the coupling elements can, for example, telescopically engage one another.
- immediately adjacent coupling elements dive into each other in a compact storage position, and in differently extended coupling layers, the coupling elements are moved more or less far apart.
- the movement of the coupling elements relative to each other can be braked and / or locked by the influencing member.
- Tensile and compressive forces can be transmitted between the two cars via the locked coupling elements.
- the cars can be moved by means of their travel drives relative to each other with low relative speed.
- the mechanical coupling elements form a support chain and the influencing element is designed as a brakable and / or lockable gear, which engages with the support chain.
- the support chain has a plurality of coupling elements in the form of support chain links. In a compact storage position, at least two sections of the support chain are preferably arranged next to or above one another, wherein the support chain links of the individual sections are preferably aligned horizontally. In an extensive coupling position, at least some of the support chain links are lined up on each other and form a vertical support chain section, via which two cars can be coupled together.
- the influencing member is designed as a gear which is in engagement with the support chain and which can be braked and / or locked. If the gear is locked, then the support chain can not be moved and it can be transmitted pressure and tensile forces on the support chain of one of the two cars on the other car.
- Figure 1 a schematic representation of a first advantageous embodiment of an elevator system according to the invention
- Figure 2 is a schematic representation of a second advantageous embodiment of an elevator system according to the invention.
- FIG. 3 is a schematic representation of a third advantageous embodiment of an elevator system according to the invention.
- Figure 4 is a schematic representation of a fourth advantageous embodiment of an elevator system according to the invention.
- the elevator installation 10 comprises an upper car 12 and a lower car 14, which are arranged one above the other in a shaft 16 and can be moved upwards and downwards along common guide rails not shown in the drawing for better overview.
- the upper car 12 is over a plurality of first support cables, of which only a first support cable 18 is shown in the drawing to achieve a better overview, coupled to a first counterweight 20.
- the lower car 14 is coupled to a second counterweight 24 via a plurality of second suspension cables, of which only a second suspension cable 22 is shown in the drawing to achieve a better overview.
- the upper car 12 is associated with a first drive 26.
- the first traction drive 26 has a first traction sheave 28, which can be rotated by a drive motor in the usual and therefore not shown in the drawing manner.
- the first support cables 18 are guided over the first traction sheave 28.
- the lower car 14 is a second drive 30 associated with a second traction sheave 32, which can be rotated by a known per se and therefore not shown to achieve a better overview in the drawing second drive motor in rotation.
- the second support cables 22 are guided over the second traction sheave 32.
- the invention is explained below using the example of the elevator installation 10, in which the cars 12 and 14 are suspended on support cables 18, 22.
- the invention is not limited to such cable elevators but also extends to elevator systems whose cars are moved by means of other travel drives, for example with the aid of linear drives.
- the two cars 12 and 14 can be moved separately in the shaft 16 up and down in a first operating mode of the elevator system. In this operating mode, the cars 12 and 14 have a safe distance, which ensures that when driving behind each other of the two cars 12, 14 of the rear in the direction of travel car can be braked reliably without collision even if the front in the direction of travel in the case of a Fault suddenly stops.
- the two elevator cars 12, 14 are coupled to one another via a variable-length releasable coupling device 34.
- the vertical distance, the two cars 12, 14 occupy each other are changed, if the two cars 12, 14 have a relatively low relative speed to each other. If the relative speed exceeds a predetermined maximum permissible relative speed, a change in distance is no longer possible. This ensures that the two cars 12, 14 can not collide with each other in the coupled state, even if they have a very small distance from each other.
- the coupling device 34 comprises a first coupling member in the form of a first piston-cylinder assembly 36 and a second coupling member in the form of a second piston-cylinder assembly 38, which are arranged on opposite outer sides of the lower car 14.
- the first piston-cylinder unit has a first hydraulic cylinder 40 which is fixed to the lower car 14 and in which a first piston 42 is slidably mounted, from which a first piston rod 44 extends vertically upwards.
- the first piston rod 44 protrudes from the first hydraulic cylinder 40 in the direction of the upper car 12 and can be connected to the upper car 12 by means of a first releasable connection device 46.
- the interior of the first hydraulic cylinder 40 is divided by the first piston 42 into a first annular space 48 and a first piston chamber 50.
- the first annular space 48 surrounds the first piston rod 44 and the first piston chamber 50 is arranged on the end face of the first piston 42 facing away from the first piston rod 44.
- the second piston-cylinder unit 38 comprises a second hydraulic cylinder 52 which is fixed to the lower car 14 and receives a second piston 54, from which extends in the direction of the upper car 12, a second piston rod 56, with its free end by means one second connection means 58 can be connected to the upper car 12.
- the interior of the second hydraulic cylinder 52 is divided by the second piston 54 into a second annular space 60 and a second piston space 62.
- the second annular space 60 surrounds the second piston rod 56 and the second piston chamber 62 is disposed on the end face of the second piston 54 facing away from the second piston rod 56.
- the first connecting device 46 and the second connecting device 58 each have a motor-movable locking member 64 and 66, with the aid of which the connections between the piston rods 44, 56 and the upper car 12 can be selectively locked or released.
- the locking members 64, 66 may be formed, for example, as a motor-movable latch.
- the drive of the bolt can be done for example by means of electric motors or with the help of pneumatic or hydraulic actuators or electromagnetic.
- the annular spaces 48 and 60 of the two piston-cylinder units 36, 38 are connected to each other via a balancing device 68.
- the compensating device 68 comprises a connecting line 70 which extends from the second annular space 60 to the second piston chamber 62 and to which a first connecting line 72 emanating from the first annular space 48 and a second connecting line 74 starting from the first piston chamber 50 are connected.
- a first electrically controllable throttle element 76 and a second electrically controllable throttle element 78 are connected in series with one another.
- a supply line 80 branches off from the first connecting line 70.
- a filter 82 is connected.
- the supply line extends into the interior of a surge tank 84 of the compensation device 68.
- the surge tank 84 forms a reservoir for hydraulic fluid.
- a first pressure-dependent closing valve 88 is connected in the connecting line 70.
- a second pressure-dependent closing valve 94 is connected in the connecting line 70.
- the check valve 96 opens in the direction of the second piston chamber 62.
- the pump line 99 branches off in the region between the second throttle element 78 and the second piston chamber 62 from the connecting line 70 and opens into the surge tank 84th
- the first annular space 48 and the second annular space 60 are thus connected via the connecting lines 72, 74 and the connecting line 70 to the first piston chamber 50 and the second piston chamber 62.
- the lower car 14 can be moved by means of the second traction sheave 32 in the coupled state in the direction of the upper car 12.
- the volume of the two piston chambers 50 and 62 decreases and hydraulic fluid can flow via the connecting lines 72, 74 and the connecting line 70 from the piston chambers 50, 62 into the annular spaces 48 and 60.
- the hydraulic fluid flows through the throttle elements 76 and 78 and the pressure-dependent closing valves 88, 94.
- a sensor 100 is arranged in the illustrated embodiment at the bottom of the upper car 12.
- a sensor 102 could also be arranged on the ceiling of the lower car 14.
- the sensor 100 detects the distance between the two cars 12, 14 and is connected via a known per se and therefore not shown in the drawing to obtain a better overview in the drawing with a control device of the elevator system 10, which is known per se and therefore to achieve a better overview in the drawing signal lines not shown with the electrically controllable throttle elements 76, 78 is connected. From the time changes of the relative distances, the control device determines the relative speed which the two cars 12, 14 have relative to one another.
- the flow connection between the piston chambers 50, 62 and the annular spaces 48, 60 is interrupted by means of the throttle elements 76, 78, whereas at relative speeds which are smaller than the maximum permissible relative speed, the aforementioned Flow connection of the throttle elements 76, 78 is released.
- the closing valves 88, 94 block the connection line 70 when the pressure in the annular spaces 48, 60 or in the piston chambers 50, 62 due to an abrupt change in the distance of the cars 12, 14 and an associated abrupt movement of the pistons 42 and 54 increased inadmissible.
- Relative speeds can in the coupled state of the two cars 12, 14 a change in the vertical distance between the two
- Tray 16 to proceed, with the vertical distance between the two Racks 12, 14 can be adapted to different floor distances.
- the two cars can first be positioned by means of their travel drives 26, 28 at a small distance from each other, and then by means of the pump 98 positioning of the piston rods 44 and 56 are made. Then, by means of the first connecting device 46, the first piston rod 44 can be connected to the upper car 12 and the second piston rod 56 can be connected to the upper car 12 by means of the second connecting device 58. By means of the locking members 64, 66, the connection can then be locked.
- the elevator system 10 thus makes it possible to move the two cars 12, 14 either separately or else in a coupled state in the shaft 16.
- the coupled state the vertical distance, the two cars 12, 14 accept each other, be changed by means of the traction drives 26 and 30, if the cars 12, 14 occupy a relatively low relative speed to each other, otherwise a change in distance is not possible.
- the elevator installation 110 has an upper car 112 and a lower car 114 which can be moved upwards and downwards in a shaft 116.
- the upper car 112 is connected via first support cables, of which only a first support cable 118 is shown in the drawing, to a first counterweight 120, and the lower car 114 is via second support cables, of which only a second support cable 122 is shown in the drawing is connected to a second counterweight 124.
- the upper car 112 is associated with a first traction drive 126 with a first traction sheave 128.
- the first supporting cables 118 are guided over the first traction sheave 128.
- the Lower car 114 is a second drive 130 associated with a second traction sheave 132.
- the second support cables 122 are guided over the second traction sheave 132.
- the elevator system 110 has a coupling device 134, via which the two cars 112, 114 can be coupled together.
- the coupling device 134 comprises a first coupling member, which has a first mechanical coupling element in the form of a first threaded spindle 136 and a second mechanical coupling element in the form of a first threaded nut 138, which engages in the coupled state of the two cars 112, 114 with the first threaded spindle 136
- the coupling device 134 has a second coupling member with a first mechanical coupling element in the form of a second threaded spindle 140 and with a second mechanical coupling element in the form of a second threaded nut 142 which engages in the coupled state of the two cars 112, 114 with the second threaded spindle 140 stands.
- the two threaded spindles 136, 140 are rotatably mounted on mutually remote outer sides of the upper car 112 and can be braked and locked by means of a first brake element 144 or by
- the first nut 138 and the second nut 142 are fixed to the lower car 114.
- a first motor coupling drive in the form of a first motor 148 is disposed on the upper car 112.
- a second motor coupling drive in the form of a second motor 150 is disposed on the upper car 112.
- the elevator installation 110 also includes a sensor 152 arranged on the floor of the upper carbody 112. Alternatively or additionally, a sensor arranged on the ceiling of the lower carbody 114 can be used.
- the sensor 152 is connected in a manner similar to the sensor 100 explained above with reference to FIG. 1 to a control device, not shown in the drawing, which controls the electrically controllable brake elements 144, 146 in dependence on the relative speed between the two cars 112, 114.
- the two brake elements 144, 146 block a movement of the threaded spindles 136, 140, so that no change in distance can be carried out and the two cars 112, 114 are rigidly connected to one another.
- a change in distance can only take place if the actual relative speed determined by means of the sensors 152, 154 falls below the maximum permissible relative speed.
- the at least one distance sensor 152 it is also possible to use at least one rotational speed sensor which detects the rotational speed of the threaded spindle 136 or 140.
- FIG. 3 is a schematic representation of a third advantageous embodiment of an elevator installation according to the invention, which is designated overall by the reference numeral 160.
- the elevator installation 160 is substantially identical to the elevator installation 110 described above with reference to FIG. 2.
- the same reference symbols are used in FIG. 3 as in FIG. 2 and with respect to these components reference is made to the above explanations in order to avoid repetition taken.
- the elevator installation 160 shown in FIG. 3 differs from the elevator installation 110 explained above in that the coupling of the upper car 112 to the lower car 114 is effected by means of a first rack 162 arranged on the upper car 112 and a second toothed rack likewise arranged on the upper car 112 164 takes place, which are in engagement with a rotatably mounted on the lower car 114 first gear 166 or with a rotatably mounted on the lower car 114 second gear 168.
- the first gear 166 is associated with a first brake element 170 and the second gear 168 is associated with a second brake element 172.
- the rotational movement of the gears 166, 168 can be locked, provided that the relative speed between the upper car 112 and the lower car 114 exceeds a maximum permissible relative speed.
- the two brake elements 170, 172 in a manner similar to those described above with reference to Figure 2 brake elements 144, 146 with a control device, not shown in the drawing of the elevator installation 160 in electrical connection, which in turn is coupled to at least one sensor, with its Help the relative speed of the two cars 112, 114 can be determined.
- motors each forming a coupling drive and move the racks 162, 164 in its coupling position.
- the gears 166, 168 are locked, so that the two cars 112, 114 are rigidly coupled to each other via the racks 162, 164 and the locked gears 166, 168.
- the speed of the gears 166, 168 could also be detected to determine the relative speed of the cars 112, 114.
- FIG. 4 shows a fourth advantageous embodiment of an elevator system according to the invention is shown schematically, which is generally designated by the reference numeral 180.
- the elevator installation 180 is substantially identical in construction to the elevator installation 110 described above with reference to FIG. 2.
- the same reference symbols are used in FIG. 4 as in FIG. 2 and with respect to these components reference is made to the above explanations in order to avoid repetition.
- the coupling between the upper car 112 and the lower car 114 takes place by means of a multiplicity of mechanical coupling elements, which form a support chain 182.
- the support chain 182 is positioned on the lower car 114 and can be reciprocated by means of a coupling drive (not shown in FIG. 4) for a better overview between a compact supply layer and differently extended coupling layers.
- the support chain 182 In the supply layer, the support chain 182 almost completely immersed in a support chain housing 188, wherein the support chain links 190 are largely arranged horizontally next to each other and an upper support chain section is positioned above a lower Stitzkettenabitess.
- the support chain 182 can be moved into an extended coupling position shown in FIG. 4, in which it is moved out of the support chain housing 188 in FIG vertical direction partially protruding, wherein a plurality of support chain links 190 are arranged vertically one above the other.
- An influencing member in the form of a gear 184 is engaged with the support chain 182.
- the arranged on the lower car 114 gear 184 can be braked and locked by a controllable brake element 186.
- a free end of the support chain 182 may be secured to the upper car 112 by means of a connector 192 to couple the two cars 112, 114 together.
- the connecting device 192 may for this purpose have mutually cooperating connecting elements and in addition, a controllable locking member can be used, by means of which the connecting elements can be locked.
- Such fasteners and locking members are known in the art and therefore require no further explanation in the present case.
- the vertical distance between the two cars 112, 114 by means of the two travel drives 126, 130 can be changed in a simple manner, provided that the relative speed between the two cars 112, 114 does not exceed a maximum permissible relative speed. If such a low relative speed is present, the movement of the toothed wheel 184 is not impaired by the brake element 186, so that the distance between them can be changed by a relative movement of the two cars 112, 114. However, if the relative speed exceeds the maximum permissible relative speed, then the gear 184 is braked and locked by means of the brake element 186. There is then a rigid coupling between the upper car 112 and the lower car 114 before, in particular pressure forces between the two cars 112, 114 can be transmitted via the support chain 182.
- the cars 112, 114 can thus be moved separately from one another in the shaft 116 in a first operating mode of the elevator installation 180, whereby they have a safety distance from one another, which ensures that when the two cars 112, 114 are consecutively driven one behind the other in the direction of travel Car also reliable without Danger of collision can be slowed down when the front in the direction of travel car in the event of a malfunction abruptly decelerates.
- the two cars 112, 114 have a small distance from each other, so they can be coupled together in a second mode of operation of the elevator system 180 by means of the support chain 182, the gear 184 and the brake element 186, wherein their relative distance at low relative speeds by means of the travel drives 126th , 130 may be changed to adjust the vertical spacing of the cars 112, 114 to different floor distances.
- the support chain 182 can be moved back and forth between its compact storage position and differently extended coupling layers. At high relative speeds as may occur in the event of a malfunction in which the front in the direction of travel slows down abruptly, the support chain 182 is locked so that it can not be changed in length and consequently the cars 112, 114 can not collide with each other.
Landscapes
- Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Civil Engineering (AREA)
- Mechanical Engineering (AREA)
- Automation & Control Theory (AREA)
- Elevator Control (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102013110790.7A DE102013110790A1 (de) | 2013-09-30 | 2013-09-30 | Aufzuganlage |
| PCT/EP2014/002652 WO2015043766A1 (de) | 2013-09-30 | 2014-09-30 | Aufzuganlage |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| EP3052424A1 true EP3052424A1 (de) | 2016-08-10 |
| EP3052424B1 EP3052424B1 (de) | 2020-04-01 |
| EP3052424B8 EP3052424B8 (de) | 2020-05-13 |
Family
ID=51790664
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP14787098.4A Active EP3052424B8 (de) | 2013-09-30 | 2014-09-30 | Aufzuganlage |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US9783391B2 (de) |
| EP (1) | EP3052424B8 (de) |
| CN (1) | CN105658565B (de) |
| DE (1) | DE102013110790A1 (de) |
| WO (1) | WO2015043766A1 (de) |
Families Citing this family (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| PL3227216T3 (pl) * | 2014-12-02 | 2019-04-30 | Inventio Ag | Urządzenie dźwigowe |
| US20180029832A1 (en) * | 2015-02-05 | 2018-02-01 | Otis Elevator Company | Vehicle and method for elevator system installation |
| DE102017110275A1 (de) * | 2017-05-11 | 2018-11-15 | Thyssenkrupp Ag | Aufzugssystem mit zwei Schächten |
| SG11202000750VA (en) | 2017-08-17 | 2020-02-27 | Inventio Ag | Elevator system |
| US11117786B2 (en) * | 2018-01-15 | 2021-09-14 | Otis Elevator Company | Double deck elevator with linear actuator adjustment mechanism |
| US10329122B1 (en) * | 2018-01-15 | 2019-06-25 | Otis Elevator Company | H frame for a double deck elevator |
| CN108382942B (zh) * | 2018-04-11 | 2023-09-19 | 浙江速捷电梯有限公司 | 一种双层轿厢电梯 |
| DE102018219168A1 (de) * | 2018-11-09 | 2020-05-14 | Thyssenkrupp Ag | Aufzugsanlage und Verfahren zum Betrieb einer Aufzugsanlage mit einer Hilfseinrichtung |
| EP3782947B1 (de) * | 2019-08-21 | 2023-02-22 | KONE Corporation | Aufzugskabine verschiebbar zwischen einzel- und doppeldeckerzustand |
| EP3816088B1 (de) | 2019-10-31 | 2023-07-12 | KONE Corporation | Selbstkletternde aufzugsanordnung zur verwendung beim bau eines gebäudes |
| EP3816086B1 (de) * | 2019-10-31 | 2023-05-10 | KONE Corporation | Selbstkletternder aufzugsmaschinenraum zur verwendung beim bau eines gebäudes |
| US12115761B2 (en) | 2020-03-04 | 2024-10-15 | Westrock Mwv, Llc | Coffee stain-resistant cellulosic structures and associated containers and methods |
| EP4001196A1 (de) * | 2020-11-13 | 2022-05-25 | Philippe Henneau | Nachhaltiges pneumatisches aufzugssystem und verfahren |
| CA3214295A1 (en) | 2021-03-26 | 2022-09-29 | Inventio Ag | Elevator car arrangement for a double-deck elevator, and double-deck elevator |
| WO2023110352A1 (de) * | 2021-12-15 | 2023-06-22 | Inventio Ag | Fahrkorbanordnung und verfahren zum montieren eines spindelantriebs in einer fahrkorbanordnung für einen doppelstockaufzug |
Family Cites Families (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1805227A (en) * | 1929-05-27 | 1931-05-12 | Westinghouse Electric & Mfg Co | Multiple-car elevator |
| JP3345565B2 (ja) * | 1997-04-11 | 2002-11-18 | 森ビル株式会社 | 可変式ダブルデッキエレベーター |
| KR20000033451A (ko) * | 1998-11-23 | 2000-06-15 | 김남영 | 켤레 엘리베이터 |
| SG87910A1 (en) * | 1999-10-29 | 2002-04-16 | Toshiba Kk | Double-deck elevator car |
| JP4204249B2 (ja) * | 2002-04-12 | 2009-01-07 | 東芝エレベータ株式会社 | ダブルデッキエレベータ |
| EP1562848B1 (de) * | 2002-11-09 | 2007-01-24 | ThyssenKrupp Elevator AG | Sicherheitseinrichtung für aufzugssystem mit mehreren aufzugskabinen in einem schacht |
| JP4386842B2 (ja) | 2002-11-26 | 2009-12-16 | ティッセンクルップ エレバートル アーゲー | エレベータ設備の制御方法、及び該方法を実行するためのエレベータ設備 |
| SG115736A1 (en) * | 2004-03-17 | 2005-10-28 | Inventio Ag | Equipment for fine positioning of a cage of a multi-stage cage |
| SG115739A1 (en) * | 2004-03-17 | 2005-10-28 | Inventio Ag | Equipment for fine positioning of the cages of a multi-stage cage for a lift |
| EP1870366A1 (de) * | 2006-06-19 | 2007-12-26 | Inventio Ag | Aufzugsanlage und Verfahren zum Betreiben einer Aufzugsanlage |
| SG138530A1 (en) | 2006-06-19 | 2008-01-28 | Inventio Ag | Lift installation and method of operating a lift installation |
| US8069954B2 (en) * | 2007-07-26 | 2011-12-06 | Production Resource Group, Llc | Self erecting zipper lift |
| EP2692676B1 (de) | 2011-03-28 | 2016-10-26 | Mitsubishi Electric Corporation | Doppeldeckeraufzug |
-
2013
- 2013-09-30 DE DE102013110790.7A patent/DE102013110790A1/de not_active Withdrawn
-
2014
- 2014-09-30 US US15/026,224 patent/US9783391B2/en not_active Expired - Fee Related
- 2014-09-30 WO PCT/EP2014/002652 patent/WO2015043766A1/de not_active Ceased
- 2014-09-30 EP EP14787098.4A patent/EP3052424B8/de active Active
- 2014-09-30 CN CN201480053798.4A patent/CN105658565B/zh not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| CN105658565B (zh) | 2017-10-03 |
| EP3052424B8 (de) | 2020-05-13 |
| WO2015043766A1 (de) | 2015-04-02 |
| US9783391B2 (en) | 2017-10-10 |
| CN105658565A (zh) | 2016-06-08 |
| DE102013110790A1 (de) | 2015-04-02 |
| US20160244299A1 (en) | 2016-08-25 |
| EP3052424B1 (de) | 2020-04-01 |
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