JP2815108B2 - elevator - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an elevator in which the area occupied by the elevator shaft is reduced by sharing the elevator shaft.

[0002]

2. Description of the Related Art Conventionally, elevators of a high-rise building having about 60 floors are divided into banks as shown in FIG. Alternatively, an express operation is performed as indicated by a broken line from the floor set on the third floor of the building (often set to the third floor) to a floor set on the middle floor of the building (depending on the elevators divided into banks), and then each floor stop operation indicated by a solid line is performed. In many cases, a local elevator system is used. This makes it possible to reduce the number of stops of the elevator when operating between the lower floor and the higher floor, and to perform high-speed operation.

In a higher-rise building, as shown in FIG. 1B, a terminal floor is provided in the middle floor of the building, and a shuttle that travels directly and reciprocally between the lobby floor and the terminal floor without stopping. An elevator is provided, and the local elevator system shown in the above (a) is adopted for the floor between the lobby floor and the terminal floor, or for the floor between the terminal floor and the terminal floor set near the top floor of the building. There is. In this case, it is necessary to transfer between the shuttle elevator and the local elevator when moving between the lobby floor and the floor above the intermediate terminal floor.

[0004] In these systems, the number of elevators is optimally designed based on a transportation plan according to the use of the building, the total floor area, the number of users, the amount of goods, the frequency of use, and the like.

[0005] However, as the building becomes higher in height, these terminal floors become multi-layered, a large number of shuttle elevators are required, and the number of elevator shafts needs to be increased. Inevitably, the occupied floor area increases. In particular, since a large number of shuttle elevators and local elevators are arranged on the terminal floor, the occupied area of the elevator shaft increases, and the effective use area of the building decreases.

[0006]

On the other hand, in order to reduce the occupied area of the elevator shaft, it is conceivable to improve the transport capacity of individual elevators to reduce the total number of elevators. Improvements have been made such as increasing the speed of getting on and off and increasing the width of the entrance and exit to shorten the getting on and off time, but it has not been a fundamental improvement.

[0007] By the way, of the elevator operation time,
The time required for the user to get on and off the gondola is about the same as or longer than the travel time, during which the elevator shaft is often free. In particular, a shuttle elevator that operates nonstop directly between terminal floors across multiple floors can have extremely high and constant traveling speed because there is no stop floor in the middle, but all users transfer at each terminal floor Therefore, it takes time to get on and off.

In order to solve this problem, it is conceivable to raise and lower a plurality of gondolas in an elevator shaft and to move the gondola sideways at each terminal floor to retreat. Since the acceleration / deceleration in the horizontal direction is increased, there is a fear that the ride comfort for passengers may be deteriorated.

The above problems can occur not only in elevators of skyscrapers but also in buildings built at large depths.

Therefore, in the present invention, the area occupied by the elevator shaft on the intermediate floor can be reduced by raising and lowering a plurality of gondolaes in the shared elevator shaft by utilizing the waiting time required when passengers get on and off. Further, an object of the present invention is to provide an elevator that does not require a lateral movement driving device other than the elevating device, reduces the acceleration / deceleration in the horizontal direction, and does not adversely affect the riding comfort for passengers.

[0011]

In order to achieve the above object, the present invention relates to an elevator provided with a plurality of gondolaes that reciprocate non-stop between a plurality of terminal floors separated by a number of floors, wherein A plurality of dedicated elevator shafts provided on each of the terminal floors and having entrances set for the respective gondolas, and continuously merge with the dedicated elevator shafts at an intermediate level between the terminal floors via a skewed shaft portion. And a shared elevator shaft.

[0012] Preferably, the position of the common elevator shaft on a plane is located between the dedicated elevator shafts.

[0013]

Operation Each gondola in the above elevator is operated as follows.

A state in which each gondola is waiting at each of the two terminal floors: of each gondola, the gondola whose preparation for departure is completed is preferentially moved up and down from the dedicated elevator shaft through the shared elevator shaft, and again through the dedicated elevator shaft. To the terminal floor. The gondola located on the other floor stays on standby while the gondola passes through the shared elevator shaft.

A state in which each gondola is waiting in parallel on the same terminal floor: the gondola that has become ready for departure is sequentially moved up and down through the shared elevator shaft, and again reaches the other floor through the dedicated elevator shaft. The other gondola remains idle while the gondola passes through the shared elevator shaft. Alternatively, each gondola moves up and down in the same direction while avoiding interference with each other, and arrives at a certain time interval into the dedicated elevator shaft on the other terminal floor.

Each of these standby states is when another gondola is operating in the elevator shaft.
Since the time is shorter than the user's getting on and off time, it does not cause much inconvenience to the user as compared with the conventional one having two elevator shafts.

If the position of the common elevator shaft on the plane is set between the dedicated elevator shafts, the elevator shafts join together continuously via the skewed shaft portion. To reduce the roll.

Since only one elevator shaft is required on the intermediate floor between the terminal floors, the floor area occupied by the elevator shaft can be reduced. The reduction ratio to the total floor area is that the intermediate floor between the terminal floors has multiple layers. It becomes larger.

[0019]

Embodiments of the present invention will be described below in detail with reference to the drawings. FIGS. 1 and 2 show an example in which the elevator according to the present invention is applied to a skyscraper, and show a case where two elevator shafts are provided. Figures 1 and 2
Shows a case where the present invention is applied to a set of two shuttle elevators in a skyscraper with a floor on the 60th floor. Departure floor (terminal floor) 1 and lobby floor 2 (terminal floor) on the first floor have their own dedicated structures. A pair of lower and upper elevator shafts 3, 4 are provided adjacent.

Each of the dedicated elevator shafts 3 and 4 continuously merges into one shared elevator shaft 7 on the middle floor through a lower skew shaft portion 5 and an upper skew shaft portion 6 for branching and merging. The cross-sectional area of the shared elevator shaft is the same as the cross-sectional area of each dedicated elevator shaft 3, 4.

Each of the dedicated elevator shafts 3 and 4 is openably and closably communicated with a door 9 provided in an elevator hall 8, and one gondola 10 is provided inside each. Also, the common elevator shaft 7 communicates with a door 9 provided in an elevator hall 8 of each floor,
It is possible to get on and off each floor when the gondola 10 stops in an emergency.

Each gondola 10 has a wire rope 13 attached to a hoist 12 provided in a machine room 11 immediately above the lobby floor 2.
The wire rope 13 is guided by a plurality of guide rollers 14 provided on the common elevator shaft 7 to be wound and fed out, and the gondola 10 is moved to the dedicated elevator shaft 3 ( 4) Reach inside.

The skewed shaft portions 5 and 6 are formed to have a length of about four floors, thereby reducing passenger discomfort when the gondola 10 moves up and down the skewed shaft portions 5 and 6 in an oblique direction. When shifting from the dedicated elevator shafts 3 and 4 to the shared elevator shaft 7,
Alternatively, the transition in the opposite case can be performed smoothly.

With the above configuration, in a skyscraper with a lobby floor on the 60th floor, the shared elevator shaft 7 covers 50 floors.

Further, the machine room 11 is equivalent to 2.5 floors,
Since one floor of overhead is occupied in the upper part of the lobby floor 2 and one floor of pits is occupied in the lower part of the departure floor 1, if the occupied area of the elevator shaft on each floor is 1, the conventional 2 The total occupied area of the two-shaft type elevator is as follows. (2.5 + 1 + 1 + 4 + 50 + 4 + 1 + 1) × 2 = 12
9 On the other hand, the total occupied area of a pair of elevators of the present invention is as follows. (2.5 + 1 + 1 + 4 + 4 + 1 + 1) × 2 + 50 = 79 However, the area reduction in the skew shaft portions 5 and 6 is omitted.

Therefore, the reduction rate of the occupied floor area is: (129-79) /129×100=38.8%.

When the present invention is applied to a skyscraper having a lobby floor on the 120th floor, the reduction rate is (249-139) /249×100=44.2%. It turns out that it is advantageous.

The actual operation of the elevator is performed for each gondola 10 as follows.

Both gondola 10 are departure floor 1 and lobby floor 2
Waiting for gondola 1 ready for departure
0 is preferentially moved up and down from the dedicated elevator shaft 3 (4) through the shared elevator shaft 7, and reaches the other floor again through the dedicated elevator shaft 4 (3).
The other gondola 10 maintains a standby state while the one gondola 10 passes through the shared elevator shaft 7,
A collision in the shared elevator shaft 7 is prevented.

Both gondolas 10 are waiting in parallel on the same level of the departure floor 1 or the lobby floor 2: the gondola 10 that has become ready for departure is sequentially moved up and down through the shared elevator shaft 7 and again through the dedicated elevator shaft. Reach the floor. The other gondola 10 remains in a standby state while the gondola 10 passes through the shared elevator shaft as in the case of the other gondola. In the case of each gondola 10
Move up and down in the same direction while avoiding mutual interference, and reach the respective dedicated elevator shafts 3 (4) on the other floor with a time difference.

The above operation is performed by executing control using a sequencer for elevator operation in the same manner as in the prior art.
It can be implemented safely and reliably.

In the above embodiment, two sets of elevators have been described. However, two sets of elevators are set as one set, and two sets of elevators are arranged so as to face each other so as to sandwich the elevator hall. , Four elevators may be installed, and when getting on and off is frequent, the four elevators may be operated, while the operation may be sequentially stopped according to the degree of idleness. In this case, it is possible to improve the balance between ascending and descending to improve the operating efficiency of the elevator.

FIG. 3 shows a preferred example of an operation chart when four elevators are installed. In the figure, the state in which the gondola is running is indicated by a solid line, and the state in which it is stopped is indicated by a broken line. In this example, the common elevator shaft is set for ascending and descending separately, and at the start of operation, No. 1 gondola waits on the departure floor, N
o. No. 3 gondola is waiting on the lobby floor. 2
At the same time the gondola descends from the lobby floor to the departure floor on the common elevator shaft for getting off. The gondola of No. 4 is ascending the shared elevator shaft from the departure level to the lobby level. After that, No. As soon as the gondola of No. 4 arrives at the lobby level, No. 4 The first gondola starts rising from the departure level to the lobby level. Also,
No. As soon as the gondola of No. 2 arrives at the departure floor, No. 2
The gondola of No. 3 starts descending from the lobby level to the departure level. Hereinafter, smooth elevator operation can be achieved by repeating the same situation.

As described above, in the case where the present invention is applied to a set of two shuttle elevators, one of the operation charts shown in FIG. 1 and No. Of course, only two operation charts need to be applied.

Further, it is also possible to operate a larger number of gondolaes through one common elevator shaft, and that each elevator can be adapted not only to a wire rope traction type but also to a low press elevator such as a linear motor elevator. Not even.

In the above embodiment, the elevator according to the present invention is applied to a skyscraper, but it goes without saying that the elevator may be applied to a building constructed at a large depth.

[0037]

As described in detail in the above embodiments, in the elevator according to the present invention, the number of elevator shafts in the middle floor between terminals is reduced to one, so that the occupied floor area of the elevator shaft can be reduced. Can be used effectively. Further, the reduction ratio of the floor area to the total floor area becomes larger and more advantageous as the number of intermediate floors between the terminal floors increases. By setting the position of the common elevator shaft on the plane at the center of each dedicated elevator shaft, it is possible for each elevator shaft to continuously merge via the skewed shaft portion, and the horizontal shaft at the time of departure and arrival is combined. Shaking can be reduced.

[Brief description of the drawings]

FIG. 1 is a schematic longitudinal sectional view of an elevator according to the present invention.

FIG. 2 is a sectional view of the same.

FIG. 3 is a diagram showing an operation chart.

FIGS. 4A and 4B are explanatory diagrams showing an operation system of an elevator for a high-rise building.

[Explanation of symbols]

1 Departure floor (Terminal floor) 2 Lobby floor (Terminal floor) 3,4 Dedicated elevator shaft 5,6 Skew shaft part 7 Shared elevator shaft 10 Gondola 15 Counterweight

──────────────────────────────────────────────────続 き Continuing from the front page (72) Katsuhiro Hayashi 2-3-3 Kandaji-cho, Chiyoda-ku, Tokyo Obayashi Gumi Tokyo head office (72) Inventor Kyo Yamamoto 2-3-3 Kandaji-cho, Chiyoda-ku, Tokyo Stock (56) References JP-A-6-80352 (JP, A) JP-A-4-191285 (JP, A) (58) Fields investigated (Int. Cl. ⁶ , DB name) B66B 7 / 00 B66B 9/02 B66B 9/16

Claims (2)

(57) [Claims] An elevator provided with a plurality of gondolaes for non-stop reciprocating operation between a plurality of terminal floors separated by a number of floors, wherein the elevators are provided on each of the terminal floors and set for each of the gondolas. An elevator, comprising: a plurality of dedicated elevator shafts having entrances and exits; and a shared elevator shaft that continuously joins the dedicated elevator shaft via a skewed shaft portion at an intermediate level between the terminal floors. 2. The elevator according to claim 1, wherein a position of the common elevator shaft on a plane is intermediate between the dedicated elevator shafts.