CN111954634B

CN111954634B - Method for operating an elevator installation and elevator installation

Info

Publication number: CN111954634B
Application number: CN201980024750.3A
Authority: CN
Inventors: 斯特凡·格斯登美尔
Original assignee: ThyssenKrupp Elevator Innovation and Operations GmbH
Current assignee: TK Elevator Innovation and Operations GmbH
Priority date: 2018-04-05
Filing date: 2019-03-21
Publication date: 2023-01-10
Anticipated expiration: 2039-03-21
Also published as: DE102018205151A1; EP3774627A1; WO2019192846A1; CN111954634A; EP3774627B1

Abstract

A method for operating an elevator installation (50) having a hoistway system (10) and a plurality of elevator cars (51) that are individually movable between hoistway locations (13, 13a, 13 b). A hoistway system (10) is provided with: at least two first hoistways (11) in which elevator cars (51, 51a, 51 b) move in a first direction of travel (21); and at least one second hoistway (12) in which the elevator car (51, 51a, 51 b) is moved in a second direction of travel (22), wherein the hoistway positions (13, 13a, 13 b) are identically positioned in the vertical direction in the first hoistway (11) and the at least one second hoistway (12). The elevator cars (51, 51a, 51 b) only reach a distance (A) within a first hoistway (11) that is insufficient _m ) And the elevator car (51, 51a, 51 b) reaches only one of the hoistway positions (13, 13a, 13 b) in the other first hoistway (11).

Description

Method for operating an elevator installation and elevator installation

Technical Field

The invention relates to a method for operating an elevator installation having a shaft system and a plurality of elevator cars which can be moved in each case between a plurality of shaft positions, wherein the shaft system has a plurality of shafts in which at least two vertically adjacent shaft positions are spaced apart from one another by less than a predetermined spacing between two elevator cars located in adjacent shaft positions.

The invention also relates to an elevator installation having a shaft system, a plurality of elevator cars which can be moved in the shaft system, and a control device for operating the elevator installation.

Background

The invention is applicable to elevator installations having a shaft system and a plurality of cars which can be moved by means of guide devices. At least one fixed first guide rail is fixedly arranged in the hoistway and oriented in a first, in particular vertical, direction; at least one fixed second guide rail is fixedly oriented in a second, in particular horizontal, direction; at least one third guide rail rotatable relative to the hoistway is switchable between an orientation in the first direction and an orientation in the second direction. Such a device is described in principle in WO 2015/144781 A1 and German patent applications DE 10 2016 211 997 and DE 10 2015 218 025.

For buildings with a large number of floors, complex elevator installations are required in order to cope with the required transport processes as efficiently as possible. Particularly during peak hours, many people may be transported from one floor of a building to a different floor. In other peak periods, for example, many people need to be transported from different floors to a floor.

Elevator installations for this purpose are known, in particular so-called multi-car installations, in which a plurality of cars can be moved individually and as far as possible independently of one another in the shaft system. Methods known from the prior art for operating such elevator systems provide for example a so-called circulation system. The elevator cars are moved independently of one another in one shaft upwards and in the other shaft downwards. Since in such a multi-car installation the elevator cars can be moved separately from each other, the technical problem to be solved is to move the elevator cars in a suitable manner.

In a cyclically operating multi-car system, congestion can occur because multiple cars are moving in the same hoistway and cannot pass by each other here. In addition, the floor reached by the elevator car or the shaft position corresponding thereto is related to the actual transport requirements of the passengers, so that the elevator car does not always stop at the same floor. Additional waiting times may occur if the shaft has at least two shaft positions which are closely spaced to one another, in particular due to the low floor height. This is problematic when it is not possible to have two elevator cars simultaneously in the hoistway positions located above each other due to the vertical space requirements of the elevator cars. In this case, the latter elevator car can reach the adjacent hoistway position only when the former elevator car leaves the other of the two hoistway positions. Furthermore, the resulting blockage is mostly only slowly released again and results in a long waiting time for the person to be transported. The long waiting times and delay times are particularly troublesome and uncomfortable to perceive here.

Disclosure of Invention

Starting from this, the object of the invention is to provide an improved method for operating an elevator installation and an improved elevator installation having a plurality of elevator cars which can be moved individually between hoistway positions.

In order to solve this object, a method according to the invention for operating an elevator installation and an elevator installation according to the invention are proposed. Advantageous embodiments result from the following description.

The method of the invention is used for operating an elevator installation. The elevator apparatus has a hoistway system and a plurality of elevator cars individually movable between a plurality of hoistway locations. The hoistway system has at least two first hoistways in which the elevator cars move in a first direction of travel and at least one second hoistway in which the elevator cars move in a second direction of travel. The hoistway locations in the first hoistway and the at least one second hoistway are identically positioned in the vertical direction. At least two vertically adjacent hoistway locations of the hoistway have an insufficient spacing from each other that is less than a predetermined spacing for positioning two elevator cars simultaneously in vertically adjacent hoistway locations. In order to avoid blockages, the elevator car in one first hoistway only reaches one of two vertically adjacent hoistway positions that are not sufficiently spaced from each other, and in the other first hoistway the elevator car only reaches the other of the two hoistway positions that are not sufficiently spaced from each other.

The elevator cars are thus assigned to the hoistway locations such that in one first hoistway, depending on the transport demand from or to one of the vertically adjacent hoistway locations with insufficient spacing from each other, the elevator cars can only stop at one of the hoistway locations, and in the other first hoistway, in the presence of the transport demand from or to such a hoistway location, the elevator cars can only stop at the other of the vertically adjacent hoistway locations. The elevator car is also not stopped if there is no need for transportation to such a hoistway location. The assignment of hoistways and hoistway locations may be predetermined or temporarily determined for the elevator installation.

In other words, the elevator car does not stop in one first hoistway at one of the hoistway positions with insufficient spacing from each other, and in another first hoistway the elevator car does not stop in another of the vertically adjacent hoistway positions with insufficient spacing from each other. For example, the elevator car stops in one first hoistway at an upper one of the hoistway positions with insufficient spacing from each other and stops in the other first hoistway at a lower one of the two hoistway positions vertically adjacent to each other with insufficient spacing. In this way, the elevator car in a shaft reaches only one of the vertically adjacent shaft positions that are at a short distance from one another and can be stopped there. Thus, the arrival of an elevator car at a hoistway location is not delayed until it continues to travel because the spacing from the next elevator car already at the hoistway location is too small. In this way, no additional waiting time is created for passengers due to the preset spacing between vertically adjacent hoistway locations being below the threshold. In addition, the conveying capacity of the elevator installation is significantly increased by this measure.

The elevator apparatus has a hoistway system and a plurality of elevator cars individually movable between hoistway locations. The elevator car can be moved at different speeds. In particular, some elevator cars may not move during movement of other elevator cars. The hoistway system has at least two first hoistways in which the elevator cars move in a first direction of travel and at least one second hoistway in which the elevator cars move in a second direction of travel. The first and second travel directions are here generally oriented vertically upwards and downwards, wherein an orientation inclined to the vertical is also possible. This reduces the risk of collisions between elevator cars travelling in different directions. The first and second hoistways may also be regions of one hoistway. On particularly horizontally oriented interchange stations, elevator cars can be interchanged between the first and second hoistways.

The elevator cars in the first hoistway and the at least one second hoistway are accessible such that the hoistway positions of the elevators on and off the passengers are equally positioned in the vertical direction. The vertical positioning of these shaft positions results substantially from the division of the floors of the building, so that the shaft positions of the different elevator shafts of the shaft system of the building are usually positioned identically in the vertical direction. In particular in buildings having at least one floor with a lower floor height than other floors, at least two vertically adjacent shaft positions are spaced from each other by a smaller distance than other vertically adjacent shaft positions of the building. The height of the elevator cars requires a preset spacing between two vertically adjacent hoistway locations in order to enable the two elevator cars to be positioned at adjacent hoistway locations, allowing passengers to enter and exit the elevator cars at the respective hoistway locations. In particular in buildings with different floor heights or other structural features, for example at intermediate floors, it can occur that there is an insufficient spacing between two vertically adjacent shaft positions, which is smaller than the spacing preset for the simultaneous positioning of two elevator cars in adjacent shaft positions. In this case, the trailing elevator car can only drive into the vertically adjacent shaft position if the leading elevator car leaves the shaft position located in front of it in the direction of travel.

In order to avoid blockages, the elevator car reaches only one of the two vertically adjacent shaft positions with insufficient spacing from each other in one first shaft, and the elevator car reaches only the other of the two vertically adjacent shaft positions with insufficient spacing from each other in the other first shaft. Since in this way the elevator cars in each case reach only one of the vertically adjacent hoistway positions with insufficient spacing from one another, i.e. only the lower or only the upper hoistway position, in different hoistways the two elevator cars can be simultaneously in the vertically adjacent hoistway positions without mutual influence due to the structural conditions. The elevator installation offers a high conveying capacity when operated according to the proposed method.

In one embodiment of the method for operating an elevator installation, the elevator car reaches only one of two vertically adjacent hoistway positions with insufficient spacing from each other in one second hoistway, and the elevator car reaches only the other of the two vertically adjacent hoistway positions in the other second hoistway. In this embodiment, in addition to avoiding congestion in the case of an elevator car traveling in the first direction of travel in the first hoistway, congestion is also avoided in the same manner in the case of an elevator car traveling in the second direction of travel in the second hoistway.

In one embodiment of the method for operating an elevator installation, a second shaft for forming a circuit is respectively assigned to the first shaft. In this case, the elevator car moves in a circulating manner in a first shaft in a first direction of travel and in a second shaft in a second direction of travel. In this way, the elevator cars are each assigned to a circulation. Typically in such a cycle, the transition from the first hoistway to the second hoistway is made above the uppermost hoistway location and the transition from the second hoistway to the first hoistway is made below the lowermost hoistway location. In order to carry out the proposed method for operating an elevator installation in this embodiment, in addition to one circulation, at least two further hoistways are required in the hoistway system, at least one first hoistway and at least one second hoistway, by means of which at least one further circulation can be formed.

In one embodiment of the method for operating such an elevator installation, the elevator cars of a circuit each reach only one or the other of two vertically adjacent shaft positions which are at an insufficient distance from one another. That is to say that the elevator car only reaches one or the other of these hoistway positions in the first direction of travel and the second direction of travel. In this way, in this embodiment, the risk of blockage not only in the first hoistway of the cycle, but also in the second hoistway of the cycle can be further reduced. This is particularly advantageous in cyclically operating elevator installations, since a blockage or delay in one of the two shafts can also extend into the other shaft. Furthermore, such an embodiment of the proposed method also allows advantageous, in particular horizontally adjacent, positioning of the shaft positions on floors on which passengers can enter and exit the elevator car for further transport upwards or downwards.

In one embodiment of the method, the elevator car arrives at the hoistway location in a predetermined pattern. This predetermined pattern is also particularly suitable for buildings with a plurality of vertically adjacent shaft positions which are each at an insufficient distance from one another and which are each at a non-small distance from one another. For example, it may be advantageous here for the elevator cars to reach only every other hoistway position, e.g., alternately. Such a predetermined pattern may, for example, be regularly set for all hoistway positions of the hoistway or may also be defined differently for one or more sections of the hoistway. If, for example, three shaft positions are present in succession, in each case with insufficient spacing, of vertically adjacent shaft positions, it is possible with the proposed method to reach, for example, only the first and third of these three shaft positions in one of the first and second shafts and the second of these three shaft positions in the other of the first and second shafts. By creating a gap between the arriving hoistway locations, delays in reaching the hoistway locations are avoided or at least reduced.

In an exemplary embodiment of the method, the shaft positions reached by the elevator cars correspond to multiples of a natural number, respectively, over the entire shaft length or only in predetermined regions of the shaft, in the case of successive numbering. The natural number is in this case in the range from 2 to n, where n corresponds in particular to the number of first or second shafts of the shaft system of the elevator installation or to the number of such shafts in which the elevator cars move in the same direction of travel. In a corresponding embodiment, the natural number is 2, 3, 4, 5, 6, or more natural numbers, such that the elevator cars of the hoistway arrive at every other, two, three, four, five, or other hoistway location of the hoistway. If the natural number corresponds, for example, to n =3, and n corresponds to the number of first hoistways of the elevator installation, each hoistway position is reached by the elevator car in another of the three first hoistways. In the proposed embodiment, the elevator car reaches fewer hoistway locations in one hoistway, which reduces the likelihood of congestion, allows for less cycle time, and results in a higher transport capacity overall.

However, the predetermined pattern may also be used only for one or more specific sections of the hoistway, or may have different zones. For example, if a plurality of shaft positions each having an insufficient distance from one another are located in an upper region of the building, the elevator car can reach each shaft position in a lower region of the building and correspondingly only reach a predetermined shaft position in an upper region of the building.

In one embodiment of the method for operating an elevator installation, access to the elevator car is effected in the access region of the building by two access shaft positions arranged one above the other. In one embodiment of the method, the hoistway locations reachable by the elevator car correspond alternately to one or the other entry hoistway location. In this way, only every other hoistway location is reached by one elevator car. Thus, no delay in reaching a hoistway location occurs due to insufficient spacing from vertically adjacent hoistway locations. This already reduces the risk of clogging. If such a first and second hoistway form a loop, an alternating correspondence of hoistway positions and elevator cars may also be maintained in the second hoistway of the loop, in order to also reduce the risk of congestion in the second hoistway. In particular in such shaft systems, the outlet from the second shaft can also be realized from two outlet shaft positions arranged above each other. The exit hoistway location may also correspond to the hoistway location reached by the elevator car corresponding to the entry hoistway location.

In one embodiment of the method, the elevator car arrives at each hoistway location during the transfer process between floors. The jamming caused by elevator cars following one another at vertically adjacent hoistway locations with insufficient spacing from one another usually occurs in peak periods, in particular between elevator cars of an assigned transport from an entrance area of a building to different floors. During the transfer between floors, particularly outside peak periods, it is less likely that elevator cars following each other will reach adjacent hoistway locations. In one embodiment of the method, it can therefore be provided that each shaft position is reached during the transfer between floors, in order to simplify the transfer of people between shaft positions above the entrance floor, in particular outside rush hours.

In one embodiment of the method, the elevator car arrives at each hoistway location during the transportation to the exit hoistway location. Similar to the transfer process between floors, experience has shown that the exit traffic from the building returning to the exit hoistway location from different floors is distributed over a longer period of time. The risk of jamming caused by following elevator cars arriving at two vertically adjacent hoistway locations with insufficient spacing from each other is correspondingly smaller. Especially outside peak periods for exit transport, the waiting time for passengers can be reduced if the elevator car arrives at each hoistway location during transport to the exit hoistway location.

In one embodiment of the method, at least one predetermined hoistway location is reached by each elevator car, in particular even if there is insufficient spacing between the predetermined hoistway location and a vertically adjacent hoistway location. Such a predetermined shaft position may be a shaft position of a particularly frequently visited floor in which, for example, a moving room or a dining hall is present. As a result of the higher transport demand to this entry shaft position, the transport capacity of the elevator installation can be increased by each elevator car reaching this shaft position, although delays can occur in particular as a result of the elevator cars reaching adjacent shaft positions with insufficient spacing between the shaft positions, provided that these adjacent shaft positions are reached with a significantly lower frequency.

In one embodiment of the method, the selection of the hoistway position reached by the elevator car is adapted during a predetermined transportation phase. As already explained, the transport requirements of the elevator installation change in particular during the day or for example as a result of activities taking place on a floor. Thus, it is possible within the scope of the proposed method to adapt the arrival to the shaft position, for example during the course of a day and/or according to the working day, or to change the arrival to the shaft position according to the current change in the transport requirements in the short term.

In one embodiment of the method, at least one first and at least one second hoistway are operated in a reciprocating mode of operation. In many cases, the elevator car starts from an entry shaft position, in particular arrives at a predetermined shaft position. This is particularly advantageous when, for example, only one or a few selected floors in a building should be able to be accessed. For example, the elevator installation is oriented in such a way that the elevator car arrives in a plurality of further shafts at two shaft positions adjacent to the shaft positions that are reached in the reciprocating movement. This can advantageously also be achieved when there is insufficient spacing between the shaft position reached by the reciprocating body and one or two vertically adjacent shaft positions.

In order to achieve this object, an elevator installation is also proposed which has a shaft system and a plurality of elevator cars which can be moved individually between shaft positions. The hoistway system has at least two first hoistways in which the elevator cars are movable in a first direction of travel and at least one second hoistway in which the elevator cars are movable in a second direction of travel. The shaft positions in the first shaft and in the at least one second shaft are arranged identically in the vertical direction. At least two vertically adjacent hoistway locations of the hoistway have an insufficient spacing from each other that is less than a spacing preset for positioning two elevator cars simultaneously at vertically adjacent hoistway locations of one hoistway. The elevator installation also has a control device for controlling the elevator installation, in particular for controlling the elevator car in the shaft system. The control device is provided here for controlling the elevator installation according to the method described above.

The method and the elevator installation are characterized in accordance with the foregoing description. The control device is used for controlling the elevator installation and in particular for controlling the movement of the individual elevator cars.

In one embodiment of the elevator installation, elevator cars in at least two first hoistways and/or at least one second hoistway are assigned to hoistway positions according to a predetermined target setting. In this embodiment, the elevator installation has a plurality of entry hoistway locations. The entry hoistway location corresponds to a predetermined hoistway location and is reached by an elevator car designed for a transportation process to the predetermined hoistway location. Depending on the transport request of the passenger, the passenger travels to the entry shaft position via which he can reach his destination shaft position. In such embodiments, the destination hoistway location reached from the corresponding entry hoistway location is displayed, for example, by an indicator, so as not to cause any delay to passengers due to the path to the corresponding entry hoistway location.

In another embodiment of the elevator installation, the control device assigns elevator cars in at least two first hoistways and/or at least one second hoistway to hoistway positions according to the target requirement. In this embodiment, the elevator installation also has a plurality of access shaft positions, wherein the control device in one embodiment controls the respective shaft position reached and the stop there by means of an allocation algorithm, and in this case determines the most advantageous transport scheme, in particular as a function of the current requirements and transport situations, and informs the passengers of the respective access shaft position.

One embodiment of an elevator device comprises:

a plurality of elevator cars movable in the hoistway by guide means,

at least one fixed first guide device, which is oriented in a first, in particular vertical direction (z),

at least one fixed second guide device, which is oriented in a second, in particular horizontal direction (y),

-at least one third guide means rotatable relative to the hoistway, which is switchable between an orientation in the first direction (z) and an orientation in the second direction (y).

For example rails or other guiding means can be used as guiding means by which the elevator car can be moved. The first guide means are arranged in a vertically oriented first and second hoistway of the hoistway system, respectively, and the second guide means are arranged in a region where the elevator car is horizontally movable between the first and second hoistway, respectively. The third guide means is arranged to receive the elevator car from the first guide means and transfer it into the first or second guide means.

Drawings

The invention is explained in detail below with the aid of the figures. The figures respectively show

Fig. 1 schematically shows a part of the structure of an exemplary elevator installation suitable for implementing the method according to the invention;

fig. 2 schematically shows the structure of an exemplary elevator installation suitable for implementing the method according to the invention;

fig. 3 schematically shows the structure of another exemplary elevator installation suitable for implementing the method according to the invention;

fig. 4 schematically shows the structure of another exemplary elevator installation suitable for implementing the method according to the invention; and

fig. 5 schematically shows the structure of another exemplary elevator installation suitable for carrying out the method according to the invention.

Detailed Description

Fig. 1 shows a diagrammatic illustration of a part of an exemplary elevator installation 50 according to the invention, which is suitable in principle for carrying out the method according to the invention. The elevator installation 50 comprises a fixed first guide device 56, along which the elevator car 51 can be guided, in particular by means of a backpack support. The first guide device 56 is vertically oriented in the first direction z and allows the elevator car 51 to move between different hoistway positions. Such an arrangement of first guide means 56, along which the elevator car 51 can be guided, is arranged parallel to one another in two parallel extending hoistways 52', 52 ″. The elevator cars in one of the hoistways 52' can move on the respective first guide devices 56 as independently and unimpeded as possible from the elevator cars in the other hoistway 52 ".

The elevator installation 50 also comprises a fixed second guide 57 along which the elevator car 51 can be guided by means of a backpack support. The second guiding means 57 is horizontally oriented in the second direction y, enabling the elevator car 51 to move inside the floor. Furthermore, a second guide device 57 interconnects the first guide devices 56 of the two hoistways 52', 52 ". The second guide means 57 is therefore also used for switching the elevator car 51 between the two hoistways 52', 52 "in order to e.g. perform a circulating run.

By means of the rotatable third guide means 58, the elevator car 51 can be transferred from the first guide means 56 to the second guide means 57 and vice versa. The third guide means 58 can rotate about an axis of rotation D perpendicular to the y-z plane spanned by the first guide means 56 and the second guide means 57.

All guiding

devices

56, 57, 58 are at least indirectly fixed at least one wall of the shaft. The wall of the well defines a fixed frame of reference for the hoistway. Alternatively, the term shaft wall also includes a stationary frame structure of the shaft, which frame structure supports the guide device. In the exemplary embodiment, a rotatable third guide 58 is fixed to the rotary platform 53.

Fig. 2 schematically shows the structure of an exemplary elevator installation 50 suitable for implementing the method according to the invention. The elevator installation 50 has a shaft system 10 with two first shafts 11 in which elevator cars 51 are moved upwards in a first direction of travel, and a second shaft 12 in which elevator cars 51 are moved downwards in a second direction of travel and can be parked in respective moved shaft positions 13. The travel to the shaft position 13 is controlled by a control device 16, which is connected to the elevator installation 50. In the individual storeys 0 to 4 of the building there are a plurality of shaft locations 13 as entrances to the

hoistways

11, 12, which are located vertically identically in the first hoistway 11 and in the second hoistway 12. The shaft locations 13 have a distance a from one another in the vertical direction, which corresponds at least to a distance predetermined for the simultaneous positioning of two elevator cars 51 on vertically adjacent shaft locations 13 of a

shaft

11, 12. The elevator installation 50 also has a plurality of elevator cars 51 that can be moved individually between the hoistway locations 13. At the upper and lower ends of the

hoistways

11, 12, the elevator car 51 is guided into the

next hoistway

11, 12 to continue traveling in the opposite direction of travel, respectively. Although the exemplary elevator installation 50 is illustrated in the figures with several exemplary floors, the proposed method is particularly suitable for elevator installations 50 in buildings with more floors, in particular more than 20 floors, and correspondingly a plurality of shaft positions 13 disposed above one another.

In the exemplary elevator installation 50 shown, floor 3 has a smaller floor height relative to the other floors. The vertically adjacent shaft positions 13 of the third and

fourth floors

3, 4 are thus at a smaller distance a from one another than the shaft positions 13 of the other floors _m . The spacing between the shaft locations 13 of the third and

fourth floors

3, 4 is smaller than the spacing that is preset for positioning two elevator cars simultaneously on vertically adjacent shaft locations 13 of one shaft. Therefore, the distance between the hoistway positions 13 of the third and

fourth floors

3 and 4 is the insufficient distance a _m . Thus, it is not possible to have both elevator cars 51 stopped at vertically adjacent hoistway locations 13 of the third and

fourth floors

3, 4 at the same time. In order to avoid the delay caused by the transportation of the elevator cars 51, the elevator cars 51 only reach a distance a with insufficient distance to each other in a first shaft 11 _m And one hoistway position 13a of the plurality of

hoistway positions

13a, 13b, while the elevator cars 51 only reach within the other first hoistway 11 with a mutual insufficient distance a _m To another of the hoistway locations 13. The shaft positions 13 which are not reached by the elevator car 51 in these first shafts 11 are correspondingly indicated by dotted lines in fig. 2.

Fig. 3 schematically shows another exemplary construction of an elevator installation 50 suitable for carrying out the method according to the invention. The elevator installation 50 in fig. 3 is constructed similarly to the elevator installation 50 shown in fig. 2. In the elevator installation 50, the travel to the hoistway position 13 is also controlled by the control device 16 connected to the elevator installation 50. The elevator installation 50 extends over seven floors 0 to 6 and has an additional second hoistway 12. Fig. 3 thus shows an elevator installation 50,which is suitable for a higher transport capacity than the elevator installation 50 in fig. 2, because the descending elevator car 51 can be moved in the same two second hoistways 12, whereby especially also the elevator installation 50 obtains a higher flexibility. The building in which the elevator installation 50 is installed has three

floors

3, 4 and 5 with a small floor height, the floor height of which is such that two elevator cars 51 cannot simultaneously be parked at the respectively adjacent shaft position 13 in the third, fourth, fifth and

sixth floor

3, 4, 5, 6. Correspondingly, the shaft locations 13 between the

floors

3 and 4, 4 and 5 and 6 have insufficient spacing a from one another _m 。

In order to avoid delays in the transport travel of the elevator cars 51, the elevator cars 51 only reach a distance a with insufficient clearance from one another in a first shaft 11 _m And the elevator cars 51 only reach a hoistway position 13a below one another in the other first hoistway 11 _m At the other of the plurality of

hoistway positions

13a, 13b, at the hoistway position 13b above it. A specific embodiment of this principle is shown in the example in fig. 3. Thereby, the elevator car 51 reaches the shaft position 13b in the fourth and sixth floors in the shaft 11 shown on the right side, and the elevator car 51 reaches the shaft position 13a in the third and fifth floors in the shaft 11 shown on the left side. In the example elevator installation 50,

hoistway locations

13a, 13b reached by the elevator car 51 within the second hoistway 12 are arranged similarly to the

hoistway locations

13a, 13b reached in the first hoistway 11. The shaft positions 13 of the

floors

4 and 5 are indicated by 13a and 13b, since they can, depending on the way of observation, both be regarded as vertically adjacent and have a deficient spacing a from one another _m One of the two hoistway locations 13, here the lower hoistway location, may be considered as the other, here the upper hoistway location. Correspondingly the shaft positions 13 in the first shaft 11 which are not reached by the elevator car 51 are also indicated by dotted lines in fig. 3.

Fig. 4 schematically shows another exemplary construction of an elevator installation 50 suitable for carrying out the method according to the invention. The elevator installation 50 in fig. 3 is constructed similarly to the elevator installation 50 shown in fig. 2, however in the elevator installation 50 shown in fig. 4, one first shaft 11 and one second shaft 12 each form a circuit, so that the elevator cars 51 move upwards in the first shaft 11 and downwards in the corresponding second shaft 12 in a circulating operation. In the elevator facility 50, the travel to the hoistway location 13 is also controlled by a control device 16 connected to the elevator facility 50.

In comparison with fig. 3, the elevator installation 50 extends over seven floors 0 to 6 of the same structure. Due to the low floor height of the floors 3 to 5, the two elevator cars 51 cannot simultaneously rest in the respectively adjacent shaft positions 13 of the third, fourth, fifth and

sixth floors

3, 4, 5, 6, so that the shaft positions 13 have a mutual insufficient distance a between the

floors

3 and 4, 4 and 5 and 6 _m . To avoid delays in the transport travel of the elevator car 51, similar to the implementation in fig. 3, the elevator car 51 arrives in the shaft 11 shown on the right side at shaft positions 13b in the fourth and sixth floors, and the elevator car 51 arrives in the shaft 11 shown on the left side at shaft positions 13a in the third and fifth floors. In this example elevator installation 50, the

hoistway locations

13a, 13b reached by the elevator car 51 within the second hoistway 12 also correspond to the

hoistway locations

13a, 13b reached in the first hoistway 11.

Fig. 5 schematically shows another exemplary construction of an elevator installation suitable for carrying out the method according to the invention. Similar to the elevator apparatus 50 shown in fig. 4, in the elevator apparatus 50 of fig. 5, one first hoistway 11 and one second hoistway 12 each form a loop, and the elevator cars 51 ascend in the first hoistway 11 and descend in the corresponding second hoistway 12 in a loop operation. In the elevator installation 50, the travel to the hoistway position 13 is also controlled by the control device 16 connected to the elevator installation 50. The elevator installation 50 extends over ten floors 02 to 8. To reach the elevator installation 50,

floors

02 and 01 can be reached from an entrance area of the building.

Entry hoistway locations

14a and 14b and

exit hoistway locations

15a and 15b are located in

floors

02 and 01, respectively.

Due to the low floor height of the floors 3 to 5, the two elevator cars 51 cannot be parked simultaneously on each of the third, fourth, fifth and

sixth floors

3, 4, 5, 6From adjacent hoistway locations 13 such that hoistway locations 13 have insufficient spacing a from each other between

floors

3 and 4, 4 and 5, and 5 and 6 _m . To avoid delays in the transport travel of the elevator car 51, the elevator car 51 arrives at the hoistway location 13 in a predetermined pattern. In each

hoistway

11, 12, the elevator car 51 only reaches every other hoistway location 13 according to a predetermined pattern. In addition, in the present embodiment, each elevator car 51a corresponds to one entry hoistway location 14a and one exit hoistway location 15 a. Each elevator car 51a thus only reaches the shaft position 13a and can stay there. In the present embodiment, each elevator car 51b corresponds to one entrance hoistway position 14b and one exit hoistway position 15b. Each elevator car 51b thus only reaches the hoistway location 13b and can stay there. The respective correspondence of the

entry hoistway positions

14a, 14b and

exit hoistway positions

15a, 15b with the reached

hoistway positions

13a, 13b and the

elevator cars

51a, 51b reaching these hoistway positions can also be identified by a continuous, dashed or dotted view of the respective elements.

In this way, a floor or

shaft location

13a or 13b accessible in ascending is only accessible on this floor via one of the

entrance shaft locations

14a or 14b of the plurality of entrance shaft locations of the first shaft 11. Likewise, starting from a floor or from a

shaft position

13a, 13b arranged at a floor, only one

exit shaft position

15a or 15b of the plurality of exit shaft positions of the second shaft 12 can be reached in the downward direction. Accordingly, as can also be seen in fig. 5, only every second floor can be reached via one of the two first or

second hoistways

11, 12 of the elevator installation 50. At floors which cannot be reached starting from the

shaft

11, 12, there is accordingly also no entry shaft position 13. In this embodiment, insufficient spacing A between

floors

3, 4, 5, and 6 _m No delay in the operation of the elevator is caused, because in one

shaft

11, 12 the

elevator cars

51a, 51b respectively only arrive at an insufficient distance a from one another _m And can remain there, one or the other of the vertically spaced

hoistway locations

13a, 13b.

Description of the reference numerals

02 to 8 floors

10. Hoistway system

11. First shaft

12. Second shaft

13. Hoistway location

13a of a plurality of hoistway positions having insufficient spacing from each other

13b are spaced from one another by an insufficient distance

14a entry shaft position

14b entry hoistway position

15a exit shaft position

15b exit shaft position

16. Control device

50. Elevator installation

51. Elevator cage

51a elevator car

51b Elevator Car

53. Rotating platform

56. First guiding device

57. Second guiding device

58. Third guiding device

Distance A

A _m Insufficient spacing

D axis of rotation.

Claims

1. Method for operating an elevator installation (50) having a hoistway system (10) and a plurality of elevator cars which are individually movable between hoistway positions (13, 13a, 13 b), wherein the hoistway system (10) has: at least two first hoistways (11) in which the elevator cars (51, 51a, 51 b) move in a first direction of travel; and at least one second hoistway (12) in which the elevator cars (51, 51a, 51 b) move in a second direction of travelWherein the hoistway locations (13, 13a, 13 b) are identically positioned in a vertical direction in the first hoistway (11) and the at least one second hoistway (12), and wherein at least two vertically adjacent hoistway locations (13, 13a, 13 b) of a hoistway (11, 12) have an insufficient spacing (A) from each other _m ) The insufficient distance being smaller than a distance which is predetermined for the simultaneous positioning of two elevator cars (51, 51a, 51 b) in vertically adjacent shaft positions (13, 13a, 13 b) of a shaft (11, 12), characterized in that the elevator cars (51, 51a, 51 b) only reach an insufficient distance (A) from one another in a first shaft (11) _m ) And the elevator cars (51, 51a, 51 b) only reach an insufficient distance (a) from each other in the other first shaft (11) _m ) Of two vertically adjacent hoistway locations (13, 13a, 13 b).

2. Method for operating an elevator installation according to claim 1, characterized in that the elevator cars (51, 51a, 51 b) only arrive with insufficient spacing (a) from one another in a second hoistway (12) _m ) And the elevator cars (51, 51a, 51 b) only reach one another with an insufficient distance (a) in the other second hoistway (12) _m ) Of two vertically adjacent hoistway locations (13, 13a, 13 b).

3. Method for operating an elevator installation according to claim 1 or 2, characterized in that a second shaft (12) is allocated to each of a first shaft (11) to form a circuit, the elevator cars (51, 51a, 51 b) traveling in the first travel direction in the first shaft (11) and in the second travel direction in the second shaft (12) in the circuit operation.

4. Method for operating an elevator installation according to claim 3, characterized in that the elevator cars (51, 51a, 51 b) of one circulation each arrive with one another with a respective oneInsufficient spacing (A) _m ) Of two vertically adjacent hoistway locations (13, 13a, 13 b) of the hoistway.

5. Method for operating an elevator installation according to claim 1, characterized in that the elevator car (51, 51a, 51 b) arrives at a hoistway location (13, 13a, 13 b) according to a predetermined pattern.

6. Method for operating an elevator installation according to claim 5, characterized in that the shaft positions (13, 13a, 13 b) reached by the elevator cars (51, 51a, 51 b) in the case of successive numbering correspond to multiples of a natural number, respectively, wherein the natural number is in the range from 2 to n and n corresponds to the number of first shafts (11) of the elevator installation (50).

7. Method for operating an elevator installation according to claim 1, characterized in that access to the elevator cars (51, 51a, 51 b) is effected in the entry area of the building by means of two entry shaft positions (14 a, 14 b) arranged one above the other, and the shaft positions (13, 13a, 13 b) that can be reached by the elevator cars (51, 51a, 51 b) correspond alternately to the lower or upper entry shaft positions (14 a, 14 b).

8. Method for operating an elevator installation according to claim 1, characterized in that during the transfer between floors the elevator car (51, 51a, 51 b) arrives at each shaft position (13, 13a, 13 b).

9. Method for operating an elevator installation according to claim 1, characterized in that during the transport to the exit hoistway location the elevator car (51, 51a, 51 b) arrives at each hoistway location (13, 13a, 13 b).

10. Method for operating an elevator installation according to claim 1, characterized in that at least one predetermined shaft position is reached by each elevator car (51, 51a, 51 b).

11. Method for operating an elevator installation according to claim 1, characterized in that the selection of the shaft position (13, 13a, 13b, 14a, 14b, 15a, 15 b) reached by the elevator car (51, 51a, 51 b) is adapted during a predetermined transport phase.

12. Method for operating an elevator installation according to claim 1, characterized in that at least one first shaft (11) and at least one second shaft (12) are operated in a reciprocating mode of operation.

13. Elevator installation with a hoistway system (10) and a plurality of elevator cars (51, 51a, 51 b) that can be moved individually between a plurality of hoistway locations (13, 13a, 13b, 14a, 14b, 15a, 15 b), wherein the hoistway system (10) has: at least two first hoistways (11) in which elevator cars (51, 51a, 51 b) are movable in a first direction of travel; and at least one second hoistway (12) in which the elevator cars (51, 51a, 51 b) are movable in a second direction of travel, wherein the hoistway positions (13, 13a, 13b, 14a, 14b, 15a, 15 b) are positioned identically in the vertical direction in the first hoistway (11) and in the at least one second hoistway (12), and wherein at least two vertically adjacent hoistway positions (13, 13a, 13 b) of the hoistways (11, 12) have an insufficient distance (A) from one another _m ) The insufficient distance being smaller than a distance preset for the simultaneous positioning of two elevator cars (51, 51a, 51 b) in vertically adjacent hoistway positions (13, 13a, 13 b) of one hoistway (11, 12), and having a control device (16) for operating the elevator installation (50), characterized in that the control device (16) is provided for controlling the elevator installation (50) according to the method of one of claims 1 to 12.

14. Elevator arrangement according to claim 13, characterized in that the elevator cars (51, 51a, 51 b) in at least two first hoistways (11) and/or at least one second hoistway (12) are allocated to hoistway positions (13, 13a, 13b, 14a, 14b, 15a, 15 b) according to a predetermined target setting, or the control device (16) allocates the elevator cars (51, 51a, 51 b) in at least two first hoistways (11) and/or at least one second hoistway (12) to hoistway positions (13, 13a, 13b, 14a, 14b, 15a, 15 b) according to a target requirement.

15. Elevator installation according to claim 13 or 14, characterized in that:

-a plurality of elevator cars (51, 51a, 51 b) movable in a hoistway by means of guiding means,

at least one fixed first guide device (56) oriented in a vertical first direction (z),

-at least one fixed second guide means (57) oriented in a horizontal second direction (y),

-at least one third guiding device (58) rotatable relative to the hoistway, which is switchable between an orientation in a first direction (z) and an orientation in a second direction (y).

16. Elevator arrangement according to claim 13, characterized in that the control device is used for controlling an elevator car (51, 51a, 51 b) in a hoistway system (10).