JP3519009B2 - Elevator installation method - 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 installation method in which a vertical load applied to a hoisting machine or an upper pulley that drives a car through a main rope is supported by a guide rail or a stringer.

[0002]

2. Description of the Related Art Conventionally, for example, Japanese Patent Laid-Open No. 10-506871.
As described in the publication, an elevator is proposed in which a vertical load applied to a hoisting machine that drives a car through a main rope or an upper pulley around which the main rope is wound is supported by a guide rail or a stringer. ing. Such an elevator has an advantage that the building structure can be lightened because the burden on the building can be reduced. Particularly in an elevator without a machine room at the top of the hoistway these days, the load on the building can be reduced because there is no machine room at the top of the hoistway.

Further, as an elevator installation method of this type having no machine room at the top of the hoistway, for example, Japanese Patent No. 264
As described in Japanese Patent No. 8374, a hoist for lifting equipment, for example, a beam for hoisting, is first installed on the upper part of a hoistway, and this is used as a hanging point to lift the equipment installed on the upper part. It is proposed to install the elevator while performing the above.

[0004]

By the way, in the above-described conventional elevator installation method, the upper pulley, the guide rail, and the like are lifted together, so that a large-sized hoist and a hoist capable of hoisting a considerably heavy object are used. Heavy beams and beams need to be attached to the building. Therefore, it is necessary to have sufficient strength on the building side so that these lifting equipment can be installed, and there is a problem that the construction cost increases.

[0005] The present invention has been made in view of the circumstances in the prior art, and an object thereof is to provide a mounting how the elevator which can reduce the construction costs of the building installing the elevator.

[0006]

Means for Solving the Problems] To achieve the above object, the present onset Ming, at least one of the vertical load on the upper pulley hoist or the main rope to drive the car through the main rope is wound and in elevator installation method of supporting the guide rails or stringers, hoistway top
Fix the support material to the upper part, stand the lowermost guide rail,
Add a car frame and counterweight to this bottom guide rail.
After incorporating each, a plurality of supports are used as suspension points.
The guide rails are connected in a daisy chain and suspended by a lifting machine.
Raise the top to the top of the hoistway and the bottom
Fixed to the lowermost guide rail, the support member, the
After installing at least one of the upper pulley and hoist,
Attach both ends of the main rope to the support and
Wrap the middle part of the
On at least one of the hoisting machine and the upper pulley
Winding, the hoist driving in a state where a vertical load applied to the hoisting machine or the upper pulley was supported by the support member
By moving the car frame up and down, the middle part guide
Performs elevator equipment installation work including rail fixing work
Finally, the supporting material was removed .

[0007]

[0008] installation how the elevator of the present invention configured in this way, the vertical load on the hoist or the upper pulley to drive the car frame via the main rope, since supported by a support member fixed to the building It is only necessary to load the building with a load that raises and lowers only the weight of the car frame and the equipment necessary for the installation work, which can reduce the construction cost of the building where the elevator is installed.

[0009]

BEST MODE FOR CARRYING OUT THE INVENTION Hereinafter, will be described with reference to figure installation how the elevator according to the embodiment of the present invention. FIG. 1 is a diagram illustrating an elevator installation method according to a first embodiment of the present invention, FIG. 2 is a diagram showing an installation device used in the installation method of the present embodiment, and FIG. 3 is a view showing an installation method of the present embodiment. FIG. 4 is a diagram showing a standing process of the guide rail, FIG. 4 is a diagram showing a mounting process of the support beam by the installation method of the present embodiment, and FIG. 5 is a diagram showing an elevator device attachment process by the installation method of the present embodiment.

In the elevator shown in FIG. 1, a pit base 2 installed at the bottom of a hoistway 1 has a car frame 3 for the elevator.
A guide rail 4 for guiding the vehicle is installed upright, and the guide rail 4 is the lowermost rail 4 located at the lowermost part of the hoistway 1.
a, and rails 4b, 4c, and 4d extending above it
It consists of Bottom rail 4 of guide rail 4
a is fixed by rail brackets 5a and 5b, intermediate rail 4b is fixed by rail bracket 5c,
The uppermost rail 4d is fixed to the rail bracket 5d. Similarly, another guide rail 7 for guiding the counterweight 6 is also erected from the pit base 2 to the top of the hoistway 1.

A hoisting machine 9 for driving the car frame 3 via a main rope 8 is installed on the pit base 2. Both ends of the main rope 8 are fixed to rope ends 10 and 11 attached to the upper portions of the guide rails 4 and 7, respectively. The main rope 8 is a pulley 12 of a counterweight 6.
, An upper pulley 14 supported by a pulley beam (that is, a pulley mount) 13 attached to the upper portions of the guide rails 4 and 7, a hoisting machine 9, and a car floor 3a below the car frame 3.
It is wound around the upper car lower pulley 3b.

The hoisting machine 9 has an operation cable 1 on the control panel 15.
The car frame 3 is moved up and down along the guide rails 4 by driving the operation switch 17 connected by 6 and driving the main rope 8 wound around the hoisting machine 9. . A splash scaffold 18 is installed in the opening on the entrance / exit side of the top floor of the hoistway 1, and entrance / exit articles 19 are attached to the entrance / exit openings on each floor.

As shown in FIG. 2, the installation apparatus used in the installation method of the present embodiment includes a pair of receiving members 22 fixed by anchor bolts 21 to the uppermost portions of the hoistway 1 walls facing each other, and a pair of receiving members 22. The support beam 20 has both ends supported by a pair of receiving members 22. Below this support beam 20,
There is a pulley beam 13 and rope ends 10 and 11,
Connecting fitting 23a, hanging bolt 23b, and fixing bolt 2
It is suspended by a connecting member 23 composed of 3c. For the pulley beam 13 and the rope ends 10 and 11, the weight of the car frame 3 and the counterweight 6 is the main rope 8 and the upper pulley 1
4, and the supporting beam 20 supports this load via the connecting member 23. In addition, doorway goods 1
As shown in FIG. 3, the lifting equipment for elevator equipment such as 9 has a winch 30 attached to the floor of the lowest floor, pulleys 31a and 31b provided in the hoistway 1, and a winding device for the winch 30. And a winch wire 32.

In the installation method of the present embodiment, first, as shown in FIG. 3, the escape scaffold 18 is installed at the entrance opening at the top of the hoistway 1 and is not shown, which serves as a standard for elevator installation. A piano wire is stretched, and a winch 3 is installed on the bottom floor of the hall as the lifting equipment for elevator equipment.
0 is mounted, a pulley 31a is attached in the hoistway 1, another pulley 31b is attached to the support beam 20 at the top of the hoistway 1, and the winch wire 32 is drawn.

(Standing of the guide rails 4 and 7) Next, the pit base 2 is installed according to the standard set by the piano wire, and the lowermost rail 4a for the car frame 3 is mounted on the pit base 2. The bottom rail 4a is fixed by rail brackets 5a and 5b. Similarly, the lowermost part of the guide rail 7 on the side of the counterweight 6 is also fixed, the counterweight 6 is hung by the winch 30, installed in the pit base 2 and engaged with the fixed bottom rail 4a. Assemble the car frame 3.

Next, the rail suspension metal fitting 33 is attached to the uppermost rail 4d by a rail clip (not shown) or the like, and it is lifted by the winch 30.
The upper ends of the intermediate rails 4c are connected to the lower ends of d, the upper ends of the other rails 4b are connected to the lower ends of the intermediate rails 4c, and the rails 4d, 4c, and 4b are connected in a daisy chain. After hoisting it up, this hoisted rail 4
The lower ends of d, 4c and 4b are connected to the upper ends of the already fixed lowermost rails 4a. After that, the uppermost rail 4d of the guide rail 4 is fixed by the rail bracket 5d, and the rail suspension fitting 33 is removed from the uppermost rail 4d. By the same work procedure, as shown in FIG. 4, the guide rail 7 on the side of the counterweight 6 is also connected.

(Support of Vertical Load by Support Beam 20) After the guide rails 4 and 7 are erected in this way,
The pulley beam 13 and the rope ends 10 and 11 are attached above the guide rails 4 and 7, and the support beam 2 is attached in this state.
0, the pulley beam 13, and the rope ends 10 and 11 are connected to the connecting member 23, and the supporting height is adjusted by the suspension bolt 23b of the connecting member 23.

(Attachment of control panel 15 and attachment of main rope 8) Next, as shown in FIG. 1, the control panel 15, the operation cable 16 and the operation switch 17 are attached to the control panel 1 respectively.
After laying around five unillustrated wires and winding the main rope 8 around the hoisting machine 9, the car lower pulley 3b, the upper pulley 14, and the pulley 12 of the counterweight 6, one end of the main rope 8 is roped. Fix to the ends 10 and 11. At this time, the weight of the car frame 3 and the counterweight 6 corresponding to the weight of the car frame 3 is supported by the support beam 20 that supports the pulley beam 13 and the rope ends 10 and 11, and the intermediate portion is not fixed. The guide rails 4 and 7 are
Does not bear the weight of the car frame 3 and the counterweight 6. At this stage, since the intermediate portions of the guide rails 4 and 7 are not fixed, the weight of the counterweight, which is the vertical load of the elevator for driving the car frame 3, and the balance weight 6, which is the vertical load of the elevator car 3, is set. At the time of completion, the guide rails 4 and 7 to be finally supported cannot be supported.

(Fixing of guide rails 4 and 7 and mounting of elevator equipment) Since the car frame 3 can now be lifted and lowered by the hoist 9 via the main rope 8, the car frame 3
A worker gets in and raises and lowers the car frame 3 appropriately,
As shown in FIG. 5, the intermediate portions of the guide rails 4 and 7 which are not yet fixed are positioned and fixed, and the elevator equipment such as the entrance / exit product 19 is attached. Hoistway 1
At the time of the work of the uppermost part, the projecting scaffold 18 is detached for installation work, and the support beam 20 is finally detached.

In the first embodiment constructed as described above, the vertical load applied to the upper pulley 14 around which the main rope 8 is wound is supported by the support beam 20 fixed to the building. 3 and the load required to raise and lower only the weight of the equipment required for installation work need only be applied to the building, and the construction cost of this building can be suppressed.

In the first embodiment, the hoistway 1 having a concrete structure has been described. However, in the case of a hoistway having a reinforcing bar structure, a building beam or a building beam forming the hoistway 1 is used. The receiving material 22 is fixed to the fixed fastener plate or the like.

Further, in the first embodiment, the car floor 3a
Although the elevator equipment is installed above, the same effect can be obtained when the car ceiling or the work floor is provided above the car frame 3.

FIG. 6 is a diagram illustrating an elevator installation method according to a second embodiment of the present invention. In FIG. 6, the same components as those shown in FIGS. 1 to 5 described above are designated by the same reference numerals.

According to the installation method of the present embodiment shown in FIG. 6, even when the hoisting machine 40 is installed above the guide rails 4 and 7, the hoisting machine 40 is fixed to the guide rails 4 and 7. The machine base (that is, the hoisting machine cradle) 41 is supported by the support beam 20. As a result, the same effect as that shown in FIGS. 1 to 5 can be obtained.

Although the machine base 41 is supported in FIG. 6, the same applies when the hoisting machine 40 or the guide rails 4, 7 to which the machine base 41 is fixed are supported by the support beams 20. The effect is obtained.

FIG. 7 is a diagram for explaining an elevator installation method according to the third embodiment of the present invention. In FIG. 7, the same components as those shown in FIGS. 1 to 6 described above are designated by the same reference numerals.

In the installation method of the present embodiment shown in FIG. 7, a vertical load for driving the car frame 3 is supported by the suspension hook 42 provided on the ceiling of the hoistway 1 instead of the support beam 20. . As a result, the same effect as that shown in FIGS. 1 to 5 can be obtained.

[0028]

As described in the foregoing, installation how the elevator of the invention, the vertical load on the hoist or the upper pulley driving the cage frame, because it is supported by a supporting member fixed to the building As a result, it is only necessary to load the building with a load for raising and lowering only the weight of the car frame and the equipment necessary for the installation work, and therefore, there is an effect that the building cost of the building where the elevator is installed can be suppressed.

[Brief description of drawings]

FIG. 1 is a diagram illustrating an elevator installation method according to a first embodiment of the present invention.

FIG. 2 is a diagram showing an installation device used in the installation method of the present embodiment.

FIG. 3 is a diagram showing a standing process of a guide rail according to the installation method of the present embodiment.

FIG. 4 is a diagram showing a mounting process of a support beam by the installation method of the present embodiment.

FIG. 5 is a diagram showing a process of mounting elevator equipment by the installation method of the present embodiment.

FIG. 6 is a diagram illustrating an elevator installation method according to a second embodiment of the present invention.

FIG. 7 is a diagram illustrating an elevator installation method according to a third embodiment of the present invention.

[Explanation of symbols]

1 hoistway 3 cage frame 4 guide rails 7 Guide rail 9 hoisting machine 10, 11 rope end 13 Pulley beam (pulley mount) 14 Upper pulley 20 Support beams 21 anchor bolt 22 Receiving material 23 Connecting material 30 winches 31a, 31b pulley 32 winch wire 33 Rail hanging bracket 40 hoisting machine 41 Machine base (hoisting cradle) 42 hanging hook

─────────────────────────────────────────────────── ─── Continuation of the front page (72) Inventor Atsushi Oguroya 6-6 Kandanishikicho, Chiyoda-ku, Tokyo Inside Hitachi Building System Co., Ltd. (72) Shinobu Suzuki 4-1629 Nakagawa, Adachi-ku, Tokyo Hitachi Elevator Techno Service Co., Ltd. (72) Inventor Koichi Kyuho 1-6 Kandanishikicho, Chiyoda-ku, Tokyo Hitachi Building Systems Co., Ltd. (72) Inventor Nobuaki Yagi 1-6 Kandanishiki-cho, Chiyoda-ku, Tokyo Hitachi, Ltd. Building system (72) Inventor Toshio Takasaki 1-6 Kandanishikicho, Chiyoda-ku, Tokyo Hitachi, Ltd. Building system (72) Toru Tabuchi 4-1629 Nakagawa, Adachi-ku, Tokyo Hitachi Elevator Techno Service Co., Ltd. (56) Reference JP-A-10-36032 (JP, A) JP-A-3-88684 (JP, A) JP 58-82976 (JP, A) JP 58-47783 (JP, A) JP 7-237847 (JP, A) JP 10-506871 (JP, A) (JP 58) Fields investigated (Int.Cl. ⁷ , DB name) B66B ^7/ 00-7/12

Claims (3)

(57) [Claims] 1. A method for installing an elevator, wherein at least one of a vertical load applied to a hoisting machine that drives a car through a main rope or an upper pulley around which the main rope is wound is supported by a guide rail or a stringer. , Fix the support material to the top of the hoistway , and attach the bottom guide rail.
Stand upright, and equip this bottom guide rail with a car frame and a balance.
After incorporating the weights respectively, use a plurality of guide rails with the support material as a suspension point.
It is connected to the eel and lifted by a lifting machine, and the top of it is lifted
At the top of the road and at the bottom of the guide rail
Fixed to the support member, the upper pulley and the hoist
After installing at least one , attach both ends of the main rope to the support and
Wrap the middle part of the
On at least one of the hoisting machine and the upper pulley
Winding, the hoist or before the vertical load applied to the upper pulley
The hoist may be driven while being supported by the support material .
The car frame is moved up and down by the
An elevator installation method comprising performing an installation operation of elevator equipment including a fixing operation, and finally removing the support material . 2. The support member fixed to the building according to claim 1, wherein a part of the hoisting machine including a hoisting machine cradle attached to an upper portion of the guide rail is supported. Characteristic elevator installation method. 3. The elevator according to claim 1, wherein the support member fixed to the building supports a part of an upper pulley including a pulley mounting base mounted on an upper portion of the guide rail. Installation method.