JPH07237847A - Installation method of elevator - Google Patents

Abstract

PURPOSE: To facilitate installing work by temporarily constructing support steel members, arranging a plurality of guide rails and finishing required processes such as carrying in car frames in a lift well up to a middle story with a building under construction completed up to the middle story. CONSTITUTION: With a building under construction completed up to a middle story, in a lift well up to the middle story, support steel members 4 are temporarily constructed, a plurality of guide rails 5 and 6 are arranged, and car frames 7 are carried in to be slidably engaged with each of guide rails 5 and 6. In addition, a plurality of hoists 13 and 14 are temporarily constructed to the car frames 7 to which one end of each of ropes 16 and 17 is attached and the other end is temporarily attached to each of the support steel members 4. In addition, the car frames 7 are moved by each of the hoists 13 and 14, and doorway devices are arranged at positions from positions above these frames 7 to the middle story. When the building under construction is completed up to further higher story, each of these processes is repeated.

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 for installing an elevator in a building.

[0002]

2. Description of the Related Art Conventionally, when installing an elevator in a building, the elevator is installed as shown in FIG. That is, when the building is constructed to the top floor, and the floor 102 of the machine room is finished above the hoistway 101 of the elevator, the hoisting machine 103 for driving the car, the control panel 104, The speed governor 105 or the like is lifted by another hoisting machine (not shown) or the like. In addition, parts of the doorway equipment will be lifted at the landing on each floor.

Next, a pair of guide rails 106 and 107.
Of the guide rail 106,
The upper and lower ends of 107 are fixed to the hoistway 101 via brackets. In an elevator having a counterweight, the guide rails for counterweight are also carried into the hoistway 101, and the upper and lower ends of the guide rail are fixed to the hoistway 101 via brackets.

Next, the car 108 is carried into the hoistway 101, and the car 108 is slidably engaged with the guide rails 106 and 107. A work floor 109 is temporarily installed on the car 108, a safety handrail 110 is temporarily installed on the work floor 109, and a protective ceiling 111 is also temporarily arranged above this.

Next, the hoisting machine 103, the control board 104, the speed governor 105, etc., which have already been lifted, are accurately fixed to the floor surface 102 of the machine room while centering. After fixing one end of the main rope 112 to the car 108, the main rope 112 is hung on the drive sheave 103 of the hoisting machine 103, and the other end is fixed to the counterweight 113.

While the hoisting machine 103 is driven to slowly move the car 101 upward, the middle portion of the guide rails 106 and 107 is fixed to the hoistway 101 from above the work floor 109 via a bracket.

Next, while slowly moving the car 108 again, an entrance / exit device is provided at the landing of each floor, equipment in the hoistway is attached to the wall surface of the hoistway 101, and piping wiring is performed. Next, the work floor 1 temporarily installed on the basket 108
09 and the protective ceiling 111 are removed. The car 108 is tested and adjusted, and a test weight is put on the car 108 to perform a load test, an emergency stop test, and the like.

This elevator installation method is used for the car 108
By moving up and down by the hoisting machine 103 provided in the machine room, the entrance / exit device is installed at the landing on each floor. Therefore, after this installation work, the car 108 and the hoisting machine 1 are installed.
03 etc. can be used as they are. Therefore, this installation method is advantageous in terms of installation cost, period, etc., compared to the case where the gondola or the like is carried into the hoistway 101 and the entrance / exit device is attached to the landing on each floor.

[0009]

In the conventional elevator installation method as described above, the work floor 10 above the car 108 is used to install the doorway device at the landing on each floor.
The car 108 is moved by the hoisting machine 103 provided in the machine room. For this reason,
In order to perform construction by this construction method, the floor surface 102 of the machine room for installing the hoisting machine 103 must be completed above the hoistway 101.

By the way, the time when the floor surface 102 is completed means the time when the construction of the building is completed up to the top floor (the end of the construction period). Therefore, the installation work of the elevator had to be carried out through all day and night during the short time to finish the construction. As a result, there is a problem in that the cost of this installation work is high as a whole because the labor cost must be high even at night. In addition, there is a problem in that noise is disturbed in the surroundings in order to carry out the piercing work even in the middle of the night, and sufficient safety cannot be secured because the piercing work must be carried out.

It is an object of the present invention to provide a method of installing an elevator that allows the installation work to be performed in the daytime.

[0012]

In order to achieve such an object, according to the present invention, when a building under construction is completed up to an intermediate floor, a hoistway to this intermediate floor is provided. A first step of temporarily installing a support member, a second step of providing a guide rail in the hoistway to the intermediate floor, and a frame frame of a car being carried into the hoistway and sliding the car frame on the guide rail. A third step of freely engaging, a fourth step of temporarily installing a hoisting machine on the car frame, attaching one end of a rope to the hoisting machine, and temporarily fixing the other end to the support member; It comprises a fifth step of moving the car frame frame by an upper machine, installing a doorway device on the car frame frame and installing wiring up to the intermediate floor, and wiring the building under construction from the intermediate floor. Done upstairs When Tsu was to perform repeated until the fifth step from the first step to the upper floors.

[0013]

[Operation] Installation of an entrance / exit device at the landing of each floor, which occupies most of the installation period, and wiring of door switch cables and the like in the hoistway can be performed in parallel with the construction of the building. Therefore, it is not necessary to carry out the piercing work, and the work can be performed with a margin.

[0014]

DESCRIPTION OF THE PREFERRED EMBODIMENTS The present invention will be described below with reference to the drawings. 1 to 5 are views showing an embodiment of an elevator installation method according to the present invention.

Reference numeral 1 denotes an elevator hoistway when the steel frame building under construction is completed up to an intermediate floor (for example, the fifth floor). The hoistway 1 has steel frames 2 and 3 exposed. ing. A supporting steel material 4 of H-shaped steel is fixed (temporarily provided) between the steel frames 2 and 3 by a clamp or the like (first step).

Next, a pair of guide rails 5 and 6 for guiding the vertical movement of the car to the elevator 1 are fixed (mainly installed) via brackets (not shown) (second step). here,
For elevators with a counterweight, the guide rail for the counterweight is also fixed (the same applies below). In addition, unlike the temporary installation, the main installation means that the temporary installation is provided as it is without being removed once it is provided.

Next, the car frame frame 7 is carried into the hoistway 1, and the car frame frame 7 is slidably engaged with the guide rails 5 and 6 through the guide shoes (not shown) (No. 1). 3 steps). A platform 8 is provided in the lower portion of the car frame 7 (mainly provided), and a safety handrail 9 is attached (temporarily provided) around the platform 8.
A work floor 10 is provided above the car frame 7 (temporary), and a safety handrail 11 is attached to the periphery of the work floor 10 (temporary). A protective ceiling 12 is provided (temporarily) above the work floor 10.

As shown in FIG. 2, two self-propelled hoisting machines 13 and 14 are fixed (temporarily provided) to both ends of the crosshead channel 7a located on the upper end side of the car frame 7. The hoisting machines 13 and 14 are driven by the operation control panel 15 attached to the safety handrail 9 of the platform 8.
The hoisting machine 13, 1 operated by (as shown in FIG. 1)
4 drives the ropes 16 and 17 to move the car frame 7 upward. The tip ends of the ropes 16 and 17 are attached to the supporting steel material 4 by hitch members 18 and 1.
It is fixed (temporarily provided) via 9 (fourth step).

As shown in FIG. 3, the hoisting machine 13 (similarly to the hoisting machine 14) has a V-groove 20 which is rotated by a motor (not shown). A rope 16 is hung on the rope, and the rope 16 is held in the V groove of the V groove wheel 20 by a pressing roller 21. The rope 16 is also hung on a guide sheave 22, and the guide sheave 22 has a sheave plate 23 and is connected to a roller chain kit 24.

When the rope 16 is pulled relatively upward, the roller sheave kit 2 is guided by the guide sheave 22.
4 is pulled, and the rope 16 is pushed into the V groove of the V groove wheel 20. Then, due to the wedge action, the rope 16
A large friction force is generated between the V groove wheel 20 and the V groove wheel 20, and the rope 16 is reliably grasped by the V groove wheel 20.

Further, as shown in FIG. 1, the car frame 7 is provided with a safety device for preventing this fall. That is, the speed governor 26 is attached to the support steel material 4 via the auxiliary steel material 25, and the tension sheave 27 is attached to the lower end side of the guide rail 6. A speed governor rope 28 is hung between the tension sheave 27 and the speed governor sheave 26a, and the midway of the speed governor rope 28 is fixed to the car frame 7. If the ropes 16 and 17 are broken, the governor rope 2 is used by the governor 26.
8 is stopped to prevent the car frame 7 from falling.

The hoisting machine 13, 14 is operated by the operation control panel 15.
Is driven to move the car frame frame 7 to the lowest floor (for example, the first floor) of the hoistway 1. On the platform 8, the doorway device is installed in the hall 32 on the bottom floor (fifth step). That is, a three-way frame is provided at the entrance / exit of the hall, a header is attached to the upper portion of the three-way frame, and the hall door is suspended by a door rail of the header via a hanger. Next, a door switch cable, a traveling cable, etc. are wired on the wall surface of the hoistway 1, and a limit switch etc. for detecting the arrival of the car at the landing are attached to this wall surface.

Next, the car frame frame 7 is moved to the next upper floor by the hoisting machines 13 and 14, and stopped at this floor. A doorway device is installed on the floor of this floor from above the work floor 10 in the same manner as above, and a door switch cable, a traveling cable, etc. are wired on the wall surface of the hoistway 1 in the same manner as above. Such work is sequentially performed up to the intermediate floor (fifth step).

Since the guide rails 5 and 6 are provided only part way in the hoistway 1, the car frame 7
May come off the guide rails 5, 6. However, as shown in FIG. 4, a limit switch 29 is attached to the car frame 7 to detect that the car frame 7 is disengaged from the guide rails 5, 6.

On the other hand, when the construction of the building is completed up to the next intermediate floor (for example, the 10th floor), the supporting steel material 4 temporarily installed on the 5th floor is removed, and then the 10th floor is restored as shown in FIG. Temporarily set. As described above, the car frame frame 7 is hung and supported by the ropes 16 and 17 on the supporting steel material 4. Next, another guide rail 30 is hung on the supporting steel material 4 by the electric chain block 31, and this guide rail 30 is positioned above the guide rail 5 by a remote control (not shown). The upper end of the guide rail 5 and the lower end of the guide rail 30 are connected by a connecting tool (not shown). Next, the above-mentioned construction (first to fifth steps) is repeated.

In this way, as the construction of the building is completed up to the uppermost floor (for example, the 20th floor), the installation of the entrance / exit device at the landing of each floor, the wiring of the door switch cable, the traveling cable, etc. are completed.

Next, when the building is completed to the top floor, a hoisting machine for driving a car, a control panel, a speed governor, etc. are installed in a machine room provided above the hoistway 1. Next, after the temporary work floor 10 is removed, the platform 8 is left as it is and a car room is provided in the car frame 7. The car is hung by the main rope, and the main rope is hung on the drive sheave of the hoist for driving the car. Next, the governor sheave and the governor rope hung on the tension sheave are fastened to the car, and the elevator installation work is almost completed. In this way, the guide rails 5, 6 and the car frame 7 provided for construction can be used as they are, so that the installation cost can be reduced and the installation period can be shortened.

By the way, in this installation method, it is not necessary to install an entrance / exit device at a landing on each floor, which occupies most of the installation work period, or to install a door switch cable or the like in the hoistway 1. Since it can be done in parallel with the construction of, it is not necessary to carry out piercing work, and it can be done with a margin. As a result, labor costs can be reduced only during the daytime, and the overall cost of installation work can be reduced, and the installation period can be further shortened. Also, since it is only necessary to do it during the daytime, there is no need to bother the surroundings with noise at midnight, and it is possible to do so with plenty of time to ensure safety.

The first to fifth steps do not necessarily have to be carried out in order, and may be carried out slightly before and after.

[0030]

As described above, according to the present invention,
When the building under construction is completed from the middle floor to the upper floor, the first step to the fifth step are repeated up to this upper floor, so it is not necessary to carry out piercing work, so do it with plenty of time. You can As a result, labor costs can be reduced only during the daytime, and the overall cost of installation work can be reduced, and the installation period can be further shortened. Also, since it is only necessary to do it during the daytime, there is no need to bother the surroundings with noise at midnight, and it is possible to do so with plenty of time to ensure safety.

[Brief description of drawings]

FIG. 1 is a perspective view showing an embodiment of an elevator installation method according to the present invention.

FIG. 2 is a perspective view of a self-propelled hoisting machine.

FIG. 3 is a sectional view of a self-propelled hoisting machine.

FIG. 4 is a perspective view of a limit switch.

[Figure 5] Perspective view of the installation method for this elevator

FIG. 6 is a perspective view of a conventional elevator installation method.

[Explanation of symbols]

 1 ... Hoistway 4 ... Support steel 5,6 ... Guide rail 7 ... Cage frame frame 13, 14 ... Self-propelled hoisting machine 16, 17 ... Rope 32 ... Landing hall

Claims (1)

[Claims] 1. A first step of temporarily installing a supporting member in a hoistway to an intermediate floor when a building under construction is completed to an intermediate floor, and a guide rail to the hoistway to the intermediate floor. A second step of providing, a third step of bringing the car frame into the hoistway and slidably engaging the car frame with the guide rail, and a hoisting machine temporarily installed in the car frame. , A fourth one in which one end of the rope is attached to the hoisting machine and the other end is temporarily fixed to the support member
And a fifth step in which the car frame is moved by the hoisting machine, and the car frame is mounted on the car frame to install an entrance / exit device up to the intermediate floor and perform wiring.
An elevator installation method, wherein when the building under construction is completed from the middle floor to an upper floor, the first step to the fifth step are repeated up to the upper floor.