JPH0791006B2 - Elevator hoistway compartment - Google Patents

Description

Description: TECHNICAL FIELD The present invention relates to an elevator hoistway, and more specifically,
The present invention relates to a compartment arranged between a plurality of elevator cars housed in a hoistway.

[Conventional technology]

FIGS. 3 to 7 show hoistways of conventional elevators disclosed in Japanese Utility Model Laid-Open No. 63-126374, etc.
(1) is a hoistway with a rectangular cross section provided in the building,
(2) is a protrusion provided on each of the side walls of the hoistway (1) facing each other, and (3) and (4) are vertically arranged in the hoistway (1) so that they can be vertically moved. A plurality of elevator cars (5) is a plurality of elevator cars (3), (4)
In the middle of the hoistway (1) in the depth direction, a large number of intermediate beams (beams) are horizontally installed. The intermediate beam (5) having an H-shaped cross section has a structure as shown in FIG. A large number of them are arranged at a predetermined interval in the vertical direction, and support pieces (6) having concave side surfaces are horizontally attached to the upper end of the intermediate beam (5) (Fig. 4). And FIG. 5).
(7) is fixed to the above-mentioned one protrusion (2) and one end of the elevation surface of the supporting piece (6), and is fixed to the elevator car (3).
A pair of guide rails having a T-shaped cross section for guiding (Unit 1) in the vertical direction, (8) fixed to the other protrusion (2) and the other end of the elevation surface of the support piece (6). A pair of guide rails having a T-shaped cross section for vertically guiding the elevator car (4) (No. 2), (9) elevator car (3)
(10) is a counterweight that descends or rises as it moves up and down, (10) is a pair of guide rails with a T-shaped cross section that guides the counterweight (9) in the vertical direction, and (11) is an elevator car. (4) A counterweight that descends or rises with the ascending / descending movement, and (12) is a pair of guide rails having a T-shaped cross section that guides the counterweight (11) in the vertical direction.

However, the plurality of elevator cars (3) and (4) move up and down while being guided by the pair of guide rails (7) and (8), respectively, and the balance weights (9),
The (11) moves down or up while being guided by the pair of guide rails (10) and (12).

By the way, in the case of removing or newly installing, for example, the elevator car (3) of the first car among the plurality of elevator cars (3) and (4), more specifically, between the elevator cars (3) and (4), It is common practice to provide fireproof panels or other compartments between a large number of intermediate beams (5) to ensure work safety.

Hereinafter, this compartment will be described. In the figure, (13) is a plurality of horizontal L-shaped fixing fittings (fifth embodiment) attached to the lower end of the intermediate beam (5) and the upper surface of the support piece (6), respectively. (See the figure), (14) is a plurality of fireproof panels vertically installed between the plurality of fixing brackets (13), (13). The side faces of the plurality of fireproof panels (14) are shown in FIG. As shown in Figure 7,
A horizontal L-shaped attachment member (15) is attached, and a horizontal L-shaped bracket (16) is heavy-attached to the attachment member (15) via a fastener, and the bracket (16) is attached. A plurality of rail clips (17) for holding both ends of the guide rail (8) are screwed to the vertical surface of the guide rail (8) via fasteners.

Therefore, when removing and newly installing the elevator car (3) of Unit 1 with the elevator car (4) of Unit 2 operating, the upper and lower intermediate beams (5) between the guide rails (7) and (8) ), (5), a fireproof panel (14) is vertically installed via fixing metal fittings (13), (13), and the fireproof panel (14) is connected to the guide rail (8) of the elevator car (4) of the second unit. ) Via a mounting member (15), a bracket (16), and a rail clip (17).

[Problems to be Solved by the Invention]

The method of partitioning the hoistway in the conventional elevator car removal / new installation work is as described above, and the fireproof panel (14) is installed between the intermediate beams (5) and (5), and the hoistway (1).
Must be cut according to the length in the depth direction, and the installation and removal of the fire protection panel (14) tends to be complicated,
The workability could not be improved. Also, when removing or newly constructing an elevator car in a large building, many fire protection panels (14) must be used, but it was extremely difficult to secure a place for them. Furthermore, since the fire prevention panel (14) is cut according to the condition of the site, it cannot be diverted to another site and cost cannot be suppressed.

The present invention has been made in view of the above points, and an object of the present invention is to provide an elevator hoistway partition that can improve workability, improve management / storage, and suppress costs. .

[Means for Solving the Problems]

In the present invention, in order to achieve the above object, a hoistway provided in a building, a plurality of elevator cars arranged adjacent to each other in the hoistway, and the hoistway between the plurality of elevator cars. In a machine that is installed in the depth direction and has a large number of intermediate beams that are positioned in the vertical direction of the hoistway, when removing or newly installing one of the above elevator cars, attach a stopper to each of the multiple intermediate beams. It is characterized in that a fireproof sheet for partitioning the hoistway over its entire length is stretched over the plurality of fasteners.

[Action]

According to the present invention, when any one of the plurality of elevator cars is removed or newly installed, fasteners are attached to a number of intermediate beams, and the hoistway is divided over the entire length of the fasteners. Since the fire protection sheet is stretched, workability can be improved, management and storage can be facilitated, and cost can be suppressed.

〔Example〕

Hereinafter, the present invention will be described in detail with reference to an embodiment shown in FIGS. 1 (a) and 1 (b). In the drawing, (18) is fixed to the upper flange portions of many intermediate beams (5) and (5A), respectively. With a large number of fasteners, the bent piece (18a) of this U-shaped fastener (18) is provided with a screw hole (18b), and the fastener (1
A screw hole (18c) is drilled in one end of the horizontal piece of 8).
(19) is a fixing bolt screwed into the screw hole (18b) of the stopper, and the screw holes (a) of the plurality of stoppers (18) locked to the upper flange portions of the intermediate beams (5) and (5A). 18b) by screwing the fastening bolts (19) into each other and tightening the fastening bolts (19) so that the plurality of fastening members (18) are connected to the intermediate beam (5),
Each of them is fixed to (5A) (see FIG. 1 (a)).

20 is a fire / smoke-proof sheet that divides the hoistway (1) over its entire length. At the top of this sheet (20), there are a large number of interlocked beams (5) at the top. Stopper (1
8) A large number of holes (20
a) is regularly drilled in the horizontal direction, and a large number of holes (20b) are regularly drilled vertically and horizontally in the sheet (20) at predetermined intervals as shown in FIG. 1 (b). Screws of a large number of fasteners (18) in which any one row of a plurality of holes (20b) in the horizontal direction of the plurality of holes (20b) are locked to the non-topmost intermediate beam (5A). It is designed to be polymerized in each hole (18c). In addition, as shown in FIG. 1 (b), a large number of mounting holes (20
c) are regularly drilled in the vertical direction, and retaining rings (21) are fitted into the large number of mounting holes (20c).

(22) is a fastener, and the bolt (22a) of this fastener (22)
Is screwed into the hole (20a) or hole (20b) overlapped with the screw hole (18c) of the fastener (18), and the nut (22b) is screwed into the screw rod of the protruding bolt (22a). As a result, the seat (20) is stretched over a large number of intermediate beams (5), (5A). And, (23) is a plurality of wires that are vertically stretched from both ends of the uppermost intermediate beam (5) to both ends of the bit floor of the hoistway (1), and the seat (20) is attached to the plurality of wires (23). ) The seat (20) is completely stretched by fitting the plurality of retaining rings (21) on both sides (see Fig. 1 (b)).

However, in order to remove and newly install the elevator car (3) of Unit 1 with the elevator car (4) of Unit 2 operating, first, the elevator car (4) of Unit 2 of the uppermost intermediate beam (5) Hook the bent pieces (18a) of a number of fasteners (18) on the upper flange nearer side, and screw the holes (18c) of these fasteners (18) into a number of holes (20a) above the seat (20). And fix them with fasteners (22),
After that, the set bolts (19) are screwed to fix the multiple fasteners (18) to the upper flange portions. still,
Fasteners (18) fixed to the uppermost intermediate beam (5)
Is a reference for the position of the stopper (18) in the other intermediate beam (5A), it is necessary to attach the stopper (18) to the uppermost intermediate beam (5) with caution.

Next, the elevator car (4) is moved down to move to the position of the lower intermediate beam (5A). At the time of this movement, the rolled sheet (20) is gradually extended and hung down. When reaching the location of the intermediate beam (5A), stop the elevator car (4), and bend a number of fasteners (18) on the upper flange near the Unit 2 elevator car (4) of the intermediate beam (5A). (18a) is hooked, the screw holes (18c) of the large number of fasteners (18) are superposed on the large numbers of holes (20b) of the sheet (20) and fixed by fasteners (22), and then the fixing bolts. Tighten (19) with screws to fix the multiple fasteners (18) to the upper flanges. Hereinafter, this work is repeated until the intermediate beam (5A) at the bottom is reached, but if there is an excess sheet (20), the excess is rolled and placed on the bit floor.

Next, one end of each of the plurality of wires (23) is connected to both ends of the uppermost intermediate beam (5), and the plurality of wires (2) are connected.
Lower 3) to the bit floor and apply tension to each,
To stretch. Then, both ends of the seat (20) are supported by the plurality of wires (23) through the mounting holes (20c) and the retaining rings (21).

As described above, according to the present invention, a large number of fire protection panels (14) are provided.
Instead of a flexible deformable single sheet (2
Since the hoistway (1) is partitioned by using (0), it is possible to extremely easily install the partition. Further, since the number of large-sized parts required for the mounting work can be greatly reduced, the workability of the mounting work can be remarkably improved. Since the sheet (20) can be rolled and placed, it can be expected to significantly reduce the space for placing it. Furthermore, since the seat (20) can be used at other sites, it is possible to significantly reduce costs. Furthermore, since a simple and lightweight fastener (22) or the like is used for the parts, the safety of the mounting work can be significantly improved.

In the above embodiment, the single seat (20) is used to partition the hoistway (1).
As shown in (b), several sheets (20) and (20A) of a certain size (for example, 40m to 50m) may be vertically added to divide the entire length of the hoistway (1). In this case, even if the hoistway (1) has a long total length, it is possible to cope with it very easily. Also, hoistway (1)
Since the depth of the seat differs depending on the structure of the building and the size of the elevator system, etc., a plurality of seats (20) can be added in the horizontal direction and the split parts can be connected by retaining rings (21) or wires (23). The dividing portion may be stopped by using a commercially available velcro tape or the like, and in this way, it can be used very easily at other sites.

〔The invention's effect〕

As described above, according to the present invention, when any one of the plurality of elevator cars is removed or newly installed, the fasteners are attached to the plurality of intermediate beams, and the hoistway has the entire length of the fasteners. Since the fire-preventing sheet that partitions the entire space is stretched, it is possible to provide a partition of the elevator hoistway that can improve workability, facilitate management and storage, and suppress costs.

[Brief description of drawings]

1 (a) and 1 (b) are views showing an embodiment of an elevator hoistway compartment according to the present invention, and FIGS. 2 (a) and 2 (b) are elevator hoistway compartments according to the present invention. FIG. 3 is a cross-sectional plan view showing a conventional elevator hoistway, and FIG. 4 is a main-portion cross-sectional view showing a conventional elevator hoistway compartment. FIG. 5 is an enlarged cross-sectional view of a main part showing a compartment of a conventional elevator hoistway, FIG. 6 is an enlarged view showing an enlarged VI portion shown in FIG. 5, and FIG. 7 is a plan view of FIG. is there. In the figure, (1) is a hoistway, (3) and (4) are elevator cars, (5) and (5A) are intermediate beams, (18) is a stopper,
(20) and (20A) are seats. In each figure, the same reference numerals indicate the same or corresponding parts.

Claims (1)

[Claims] 1. A hoistway provided in a building, a plurality of elevator cars arranged adjacent to each other in the hoistway, and the hoistway provided between the plurality of elevator cars in the hoistway depth direction. In the elevator hoistway compartment with a large number of intermediate beams positioned in the vertical direction, when removing or newly installing one of the above elevator cars,
An elevator hoistway compartment, wherein a fastener is attached to each of the plurality of intermediate beams, and a fireproof sheet that partitions the hoistway over its entire length is stretched over the plurality of fasteners.