JPH07206314A - Installing method for elevator - Google Patents

Abstract

PURPOSE:To improve the efficiency of an installation work and to prevent damage of an entrance unit for the principal entrance floor. CONSTITUTION:After the respective units 1-5 are assembled on the outside of an elevator shaft 7, an entrance unit 5 is carried in the elevator shaft 7 and temporarily fixed at a landing entrance 14, a car unit 3 is carried in and lowered along a longitudinal steel material 11 to a pit part 7a, and guide rails are erected and temporarily fixed in the elevator shaft 7. A balance weight unit 2 is carried in to the upper part of the elevator shaft 7 and temporarily suspended from the cradle of the machine room 8, an entrance unit for a reference floor 13 is carried in and temporarily fixed to landing entrance 13a, subsequently, a floor plate unit 4 is carried in the machine room 8 to block a carry-in port 10a, a machine room unit 1 is installed in the machine room 8, the car unit 3 and the balance weight unit 2 are connected to each other through a main rope, and the entrance unit 5 and the guide rails are centered, using the car unit 3 as a work bench.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an elevator installation method in which elevator parts are sequentially loaded into a hoistway from above a machine room through a carry-in port.

[0002]

2. Description of the Related Art Conventionally, as disclosed in, for example, Japanese Patent Laid-Open No. 59-12064, a car unit including a car, a car frame, a car door, and a car door driving device, a counterweight, and a counterbalance. A counterweight unit consisting of a weight frame and a machine room unit consisting of a hoisting machine and a control panel, etc. are pre-assembled outside the hoistway, and these units are sequentially inserted into the hoistway from above the machine room via the carry-in port. A method of installing an elevator that is carried in has been proposed.

In this conventional installation method, after a lower support and an upper support are temporarily installed in the middle part of the hoistway, a car unit and a counterweight unit are lifted by a lifting device and lifted up and down through a carry-in port. Bring into the lane and support these units with the lower and upper supports described above. Then, after the machine room unit is carried into the machine room, the car unit and the counterweight unit are connected to each other via the main ropes to elevate and lower the car unit, and the car unit is used as a workbench, etc. Is to be installed.

[0004]

By the way, in the above-described conventional elevator installation method, since it is necessary to temporarily install the lower support and the upper support in the middle part of the hoistway, this mounting and dismounting is considerably difficult. There has been a problem that it takes time and the worker who performs this work is dangerous. Further, when the car unit is carried into the hoistway and lowered to the pit portion, there is no guide rail for guiding the car unit, and thus the above-described car unit carrying-in work is difficult. Further, since the entrance / exit parts such as the three-way frame and the entrance doors provided at the entrance / exit of each floor must be individually installed, there is a problem that it takes a considerable time to install these entrance / exit parts. Therefore, in addition to the poor productivity, the opening remains for a long time, and there is a problem in safety.

Generally, the landing doors included in the entrance / exit units for main entrance / exit floors are relatively excellent in design, are often expensive and easily damaged, and the shape of the three-sided frame is often varied. . Therefore, if the entrance / exit unit for the reference floor is damaged, there is a problem that a relatively large repair cost is required.

The present invention has been made in view of the above-mentioned circumstances in the prior art, and its first purpose is to eliminate the need to temporarily install a support at an intermediate portion of a hoistway and to provide a car unit and a balance. It is an object of the present invention to provide an elevator installation method capable of temporarily supporting a weight unit in a hoistway, mounting an entrance / exit component, and carrying in a car unit quickly. A second object of the invention is to provide an elevator installation method capable of easily performing a main rope installation work. A third object of the invention is to provide an elevator installation method capable of preventing an entrance unit for a main entrance floor from being damaged during installation work.

[0007]

In order to achieve this first object, the invention according to claim 1 of the present invention is to carry in elevator components in sequence from above the machine room into the hoistway via the carry-in port. In the installation method of the elevator, a car unit, a counterweight unit, a machine room unit, a floorboard unit, and a preparatory step of preliminarily assembling a plurality of doorway units outside the hoistway, and at least one of the doorway units. Part of the entrance / exit unit into the hoistway and temporarily fixing it to the entrance / exit of the hall, and the car unit into the hoistway, and the car unit is installed along the pre-installed vertical steel for guides. The step of lowering to the pit part of the hoistway, the step of vertically setting a guide rail in the hoistway and temporarily fixing it, and the above-mentioned balancing main A step of loading the unit to the upper part of the hoistway and temporarily suspending it from a pedestal of the machine room; a step of loading the floorboard unit into the machine room and closing a loading port provided on the floor of the machine room; A step of bringing the machine room unit into the machine room and installing it on the cradle, and winding a main rope around the hoisting machine sheave of the machine room unit, and a balance unit that balances with the car unit through the main rope. And a step of connecting and disconnecting each other and a step of raising and lowering the car unit by driving the hoisting machine and centering and fixing the doorway unit and the guide rail using the car unit as a work table. .

Further, in order to achieve the second object, the invention according to claim 2 of the present invention is such that, when the counterweight unit is preassembled outside the hoistway, the counterweight unit is attached to the main rope. One end is attached.

In order to achieve the third object, according to the invention of claim 3 of the present invention, the above-mentioned part is provided at a landing entrance / exit provided on a floor other than a predetermined main entrance / exit floor of the building. The entrance / exit units are temporarily fixed, and after various installation work is performed, the entrance / exit unit for the main entrance / exit floor is attached to the landing entrance / exit provided on the main entrance / exit floor.

[0010]

According to the first aspect of the present invention, as described above, after the car unit and the counterweight unit are carried into the hoistway, the car unit is temporarily placed in the pit portion of the hoistway to balance the counterweight. Temporarily suspend the unit from the machine room. Therefore, the car unit and the counterweight unit can be temporarily supported in the hoistway without the need to temporarily install a support member in the middle of the hoistway. Further, since the entrance / exit unit forming the entrance / exit of the hoistway is assembled outside the hoistway in advance, it is not necessary to individually attach a plurality of entrance / exit parts, and therefore, the entrance / exit parts can be quickly attached. Therefore, since the curing of the opening ends early, the work can be safely performed. Further, when the car unit is lowered to the pit portion of the hoistway, the car unit is guided along the vertical guide steel material that is erected in the hoistway, so that the car unit is prevented from swinging laterally. This makes it possible to easily carry the car unit into the pit in the hoistway.

Further, according to the second aspect of the invention, since one end of the main rope is attached to the counterweight unit in advance as described above, the main rope is wound around the hoisting machine sheave in the hoistway. By attaching the car unit at the other end, the car unit and the counterweight unit are connected to each other through the main rope. Therefore, the work of attaching the main rope is easy.

Further, according to the invention as defined in claim 3, a part of the entrance / exit units is temporarily fixed to the landing entrances / exits provided on other floors except the predetermined main entrance / exit floor of the building as described above, and various After performing the installation work of, after installing the doorway unit for the main entrance floor to the landing entrance of the main entrance floor above, when performing the above various installation work,
The doorway unit for the main entrance floor can be protected, i.e. the doorway unit for the main entrance floor can be prevented from being damaged during the installation work.

[0013]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of an elevator installation method according to the present invention will be described below with reference to the drawings. FIG. 1 is a flow chart for explaining an embodiment of the method for installing an elevator according to the present invention, which includes the invention described in claims 1, 2, and 3, and FIG. 2 is a longitudinal section showing an elevator installed by the installation method described in FIG. Floor plan,
FIG. 3 is an explanatory view showing various units to which the installation method described in FIG. 1 can be attached.

In the elevator shown in FIG. 2, a machine room 8 is formed above the hoistway 7, and a ceiling 9 and a floor 10 of the machine room 8 are provided with carry-in ports 9a and 10a. In the hoistway 7, vertical guide steel members 11 and 12 are erected. In addition, a hall entrance / exit 13a is formed on a predetermined reference floor 13, and a hall entrance / exit 14a is also formed on another floor 14. Then, according to the installation method of the present embodiment, FIG.
As described in Section 1, the machine room unit 1, the counterweight unit 2, the car unit 3, the floorboard unit 4, the doorway unit 5, and the rail unit 6 are assembled in advance outside the hoistway 7, and these units 1 to 6 are assembled. Elevator parts are sequentially carried in from above the machine room 8 by a lifting device (not shown) such as a tower crane via the carry-in port 9a.

As shown in FIG. 3, the machine room unit 1 has a control board 1a, a hoisting machine 1b, and these control boards 1a and 1b.
a and a machine beam 1c on which the hoist 1b is mounted. The above-mentioned counterweight unit 2 is composed of a counterweight frame 2a and a counterweight 2b fitted in the counterweight frame 2a. Then, one end of the main rope 2c is attached to the upper portion of the counterweight frame 2a.

The car unit 3 has a car frame 3a and
The car 3b and the car door 3c attached to the car frame 3a are engaged with both sides of the car frame 3a.
It comprises a car bottom rail 3e temporarily fixed to a through a bracket (not shown), and a buffer base 3d attached to the lower end of the bottom rail 3e. Then, one end of an operation cable (not shown) is connected to the car 3b, and the operation cable is bundled in the car 3b.
It is temporarily fixed to the ceiling part by a band or the like (not shown).

The floor board unit 4 has a main rope drop opening 4a into which the main rope 2c is inserted, a governor rope drop opening 4b into which a governor rope and wiring (not shown) are inserted, respectively.
The wiring outlet 4c and the like are made of a precast concrete plate pre-drilled at predetermined positions.

The doorway unit 5 has a three-way frame 5a,
The entrance / exit unit 5 includes an entrance door 5b, a pocket 5c, a sill 5d, and the like.
4a, respectively. Further, at the main entrance / exit floor, that is, the landing entrance / exit 13a of the reference floor 13, another entrance / exit unit (not shown) having a rich design is installed. The rail unit 6 is a group of guide rails 6a to 6n other than the car bottom rail 3e.

In this embodiment, outside the hoistway 7,
For example, a machine room unit 1, a counterweight unit 2, a car unit 3, at a pre-assembly site provided separately from the installation site.
The floor board unit 4, the doorway unit 5, and the rail unit 6 are assembled in advance and carried into the installation site. At this installation site, as step S1, a scribing line, that is, a reference line is attached to a predetermined position of the floor 10 of the machine room 8 and a pedestal (not shown) based on a centering reference line (not shown) of a predetermined floor. Then, the vertical steel members 11 and 12 for guides are erected in the hoistway 7. As step S2, the doorway unit 5 is hoisted by a hoisting device (not shown) and carried into the hoistway 7 through the carry-in entrances 9a and 10a, and this entrance-and-outlet unit 5 is tentatively put in each landing entrance 14a of each floor 14. Fix it. When temporarily fixing the entrance / exit unit 5, although not shown, the L-shaped steel installed in the lower portion of the entrance / exit unit 5 is mixed with the L-shaped steel installed in advance on the building beam or the floor portion, and the entrance / exit unit 5 A stopper attached to the upper part or the middle part is hooked on the wall of the hall entrance 14a.

Next, in step S3, the car unit 3
The car unit 3 is lifted up and carried into the hoistway 7 through the carry-in ports 9a and 10a, and the car unit 3 is pitted in the hoistway 7 along at least one of the vertical steel members 11 and 12 which are vertically installed in the hoistway 7. It is lowered to the portion 7a and temporarily placed. At this time, the car frame 3a, the car 3b, the car door 3c, etc. are integrally supported by the buffer stand 3d placed in the pit portion 7a, and the upper portion of the lowermost rail 3e engaged with the car frame 3a is provided with a vertical steel material. The car unit 3 is mounted on the pit portion 7a in a stable state by temporarily fixing the car unit 11 through a bracket or the like (not shown).

As a step S4, the rail unit 6 is lifted and carried into the hoistway 7 through the carry-in ports 9a and 10a,
This rail unit 6 is lowered to the pit portion 7a and temporarily placed. After that, the rail unit 6 is disassembled and the car uppermost guide rail 6a is hung up, the upper end of the uppermost guide rail 6a is connected to the upper end of the next guide rail 6b, and the lower end of the guide rail 6b is further The upper ends of the guide rails 6c are connected, and similarly, the guide rails 6a to 6c are sequentially connected over the entire height of the hoistway 7.
In this way, the guide rails 6a for the basket that are sequentially connected and lifted
The upper portions of 6c and the like are temporarily fixed to the upper portion of the vertical steel material 11 via a bracket or the like not shown. Similarly, the balance weight guide rails are sequentially connected, and the upper portion of the guide rails is temporarily fixed to the upper portion of the vertical steel member 12 via a bracket or the like (not shown).

Next, an entrance / exit unit (not shown) for the standard floor 13 is lifted and carried into the hoistway 7 through the entrances 9a and 10a, and this entrance / exit unit is temporarily fixed to the landing entrance / exit 13a of the standard floor 13. After that, as a step S5, the counterweight unit 2 is hung up and the carry-in ports 9a and 10a are carried out.
The balance weight unit 2 is brought into the upper part of the hoistway 7 through the above, and the balance weight unit 2 is engaged with the upper portion of the above-mentioned balance weight guide rail, and is suspended from a pedestal (not shown) in the machine room 8 by a hanging wire, a shackle, or the like. The main rope 2c, which is temporarily suspended and has one end previously connected to the upper portion of the counterweight frame 2a, is temporarily placed on the floor 10 of the machine room 8. As step S6, the floorboard unit 4 is lifted and carried into the machine room 8 through the carry-in port 9a, and the floorboard unit 4 is fixed to the carry-in port 10a to close the carry-in port 10a. As step S7, the machine room unit 1 is lifted and the machine room 8 is passed through the carry-in port 9a.
And then based on the reference line attached in step S1 above,
The machine room unit 1 is positioned and installed on the pedestal.

In step S8, the main rope 2c is wound around the hoisting machine 1b, and the main rope 2c is hung through the hoistway drop hole 4a of the floorboard unit 4 into the hoistway 7 to remove the main rope 2c. The other end is connected to the car frame 3a of the car unit 3 temporarily placed in the pit portion 7a. Further, the other end of the operation cable temporarily placed on the ceiling of the car 3b of the car unit 3 is pulled up to the machine room 8 and connected to the control panel 1a. After that, the car unit 3 is driven by driving the hoist 1b of the machine room unit 1.
Raise and lower to perform a trial run.

Next, in step S9, a piano wire (not shown) is hung from a predetermined position in the machine room 8 and stretched in the hoistway 7, and then the car unit 3 is moved up and down as a workbench to move the above-mentioned piano wire. Based on the position, centering and fixing of the entrance / exit unit 5, the entrance / exit unit (not shown) for the reference floor 13, and the guide rails 6a to 6n are performed, and wiring of the hoistway 7 is connected and tools are attached. Perform trial run adjustment and installation inspection. This completes a series of elevator installation work.

In the embodiment thus constructed, the car unit 3 is temporarily placed in the pit portion 7a, and the counterweight unit 2 is temporarily suspended from the machine room 8. Therefore, a support is temporarily provided in the middle portion of the hoistway 7. You don't have to. Further, since the entrance / exit unit 5 and the entrance / exit unit for the standard floor are assembled in advance outside the hoistway 7, it is not necessary to individually attach a plurality of entrance / exit components, and therefore the entrance / exit members can be quickly attached. Further, when the car unit 3 is lowered to the pit portion 7a of the hoistway 7, the vertical guide steel members 11 and 12 provided upright in the hoistway 7 are installed.
Since the car unit 3 is guided along the car, that is, the lateral shake of the car unit 3 is prevented, the car unit 3 can be easily carried into the pit portion 7a of the hoistway 7.

Further, since one end of the main rope 2c is attached to the counterweight unit 2 before being carried into the hoistway 7, the main rope 2c is wound around the hoist 1b in the hoistway 7. By mounting the car unit 3 on the other end, the car unit 3 and the counterweight unit 2 are connected to each other via the main rope 2c. Therefore,
The work of attaching the main rope 2c is easy.

Further, since the entrance / exit unit 5 is temporarily fixed to the entrance / exit 14a of the other floors 14 other than the standard floor 13 in the above step S2, the entrance / exit doorway 1 of these floors 14
It is not necessary to attach or remove the curing sheet covering 4a, and the work time can be shortened. Further, since only the standard floor 13 is carried out at the final stage of various installation works, it is possible to prevent the doorway unit (not shown) for the standard floor 13 from being damaged during the work.

[0028]

Since the present invention is configured as described above, in the invention described in claim 1, a car unit and a counterweight unit can be provided without the need to temporarily install a support at the intermediate portion of the hoistway. It can be temporarily supported in the hoistway, and the entrance / exit parts can be attached and the car unit can be carried in quickly, and the work can be performed safely without special opening curing.

According to the second aspect of the invention, the work of attaching the main rope can be easily performed, and therefore, the work efficiency at the time of installing the elevator can be improved.

Further, in the invention according to claim 3, it is possible to prevent the entrance / exit unit for the main entrance / exit floor from being damaged during the installation work. Therefore, the repair work of the entrance / exit unit for the main entrance / exit floor is specially performed. You don't need to.

[Brief description of drawings]

FIG. 1 is a block diagram of an elevator installation method according to the present invention;
It is a flow chart explaining one example containing the invention described in a few.

FIG. 2 is a vertical sectional view showing an elevator installed by the installation method described in FIG.

FIG. 3 is an explanatory diagram showing various units that can be mounted using the mounting method described in FIG.

[Explanation of symbols]

 1 Machine room unit 1b Hoisting machine 2 Counterweight unit 2c Main rope 3 Car unit 4 Floor board unit 5 Doorway unit 6 Rail unit 6a-6n Guide rail 7 Hoistway 7a Pit part 8 Machine room 9 Ceiling 10 Floor 9a, 10a Carrying entrance 11, 12 Vertical steel for guides 13 Standard floor (main entrance floor) 14 Other floors 13a, 14a Entrance / exit

 ─────────────────────────────────────────────────── ─── Continued Front Page (72) Inventor Eiji Tanaka 1-25-1 Nishishinjuku, Shinjuku-ku, Tokyo Within Taisei Corporation (72) Inventor Fumio Sumiyoshi 1-25-1 Nishishinjuku, Shinjuku-ku, Tokyo (72) Inventor Toshiyuki Tadokoro Toshiyuki Tadokoro, 1-6 Kandanishikicho, Chiyoda-ku, Tokyo Hitachi Building Systems Services Co., Ltd. (72) Inventor Takashi Morinaga 1-6 Kandanishikicho, Chiyoda-ku, Tokyo Within Hitachi Building System Services

Claims (3)

[Claims] 1. An elevator installation method in which elevator parts are sequentially loaded into a hoistway from above a machine room through a carry-in port, wherein a car unit, a counterweight unit, a machine room unit, a floorboard unit, and a plurality of units are provided. A preparatory step of assembling the entrance / exit unit of the outside of the hoistway in advance, a step of carrying in at least a part of the entrance / exit unit of the entrance / exit unit into the hoistway and temporarily fixing the entrance / exit unit to the hall entrance / exit, Carrying in the above hoistway, lowering this car unit along the pre-installed vertical steel for guide to the pit part of the above hoistway, and standing guide rails inside the above hoistway for temporary fixing And a step of carrying in the counterweight unit to the upper part of the hoistway and temporarily suspending it from the pedestal of the machine room, A step of loading the floorboard unit into the machine room to close an inlet provided on the floor of the machine room; a step of loading the machine room unit into the machine room and installing it on the pedestal; The step of winding the main rope around the hoisting machine sheave and connecting the car unit and the counterweight unit to each other via the main rope, and raising and lowering the car unit by driving the hoisting machine. A method of installing an elevator, comprising the step of centering and fixing the doorway unit and the guide rail using the car unit as a workbench. 2. The elevator installation method according to claim 1, wherein one end of the main rope is attached to the counterweight unit when the counterweight unit is preassembled outside the hoistway. 3. The doorway entrances provided on other floors except a predetermined main entrance floor are temporarily fixed to some entrance entrances and exits, and after various installation work is performed, they are installed on the main entrance floor. The elevator installation method according to claim 1, wherein an entrance / exit unit for a main entrance / exit floor is attached to the entrance / exit of the hall.