JP2000169059A - Installation method of elevator - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide an elevator installation method capable of easily installing hoisting equipment in the neighbourhood of an upper end in an elevator shaft and restraining height of a building in which the hoisting equipment is set. SOLUTION: Hoisting equipment 8 is lifted at a specified rising position of an elevator shaft 1 by a lifter 5 through a top part of the elevator shaft 1 of an elevator by a first process. Thereafter, the hoisting equipment 8 at the specified rising position is pushed up at an installing position above the specified rising position by a push-up device 15 through a fixed part 6 of the elevator shaft 1 below the hoisting equipment 8 at the specified rising position by a second process. Consequently, the maximum rising position of the hoisting equipment 8 to be installed is not restricted by a total value of dimensions in the vertical direction of a hoisting accessory 4, the lifter 5, a slinging work wire 11, etc., and it is possible to easily raise the hoisting equipment 8 up to a required installing position to a top part of the elevator shaft 1.

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 hoisting device is installed at the top of a hoistway.

[0002]

2. Description of the Related Art FIG. 13 is a view for explaining a conventional elevator installation method, and is a longitudinal sectional view of a hoistway. In the figure, reference numeral 1 denotes a hoistway of an elevator provided with a landing 2, 3
Reference numeral denotes a ceiling surface of the hoistway 1, reference numeral 4 denotes a hanging device provided on the ceiling surface 3, and reference numeral 5 denotes a lifting device including an electric chain block temporarily provided on the hanging device 4.

Reference numeral 6 denotes a hoistway 1 via a rail bracket 7.
Guides the elevator car (not shown) up and down. Reference numeral 8 denotes a hoisting device including a hoisting machine 9 and a machine table 10 on which the hoisting machine 9 is installed. Reference numeral 11 denotes a sling wire that is hung on the hoisting device 5 and suspends the hoisting device 8.

[0004] In the conventional elevator installation method, the above-described configuration performs the installation work as described below. That is, although not shown, a working scaffold is temporarily provided in the hoistway 1, and the rail 6 is erected in the hoistway 1 via the rail bracket 7 by work from this scaffold. Next, the lifting device 5 is temporarily installed on the lifting device 4,
The hook of the lifting device 5 is lowered to the lower part of the hoistway 1.

Then, the hoisting device 8 is taken into the hoistway 1 from the landing 2 on the ground floor, for example, and the hoisting device 8 is hung on the hook of the hoisting device 5 via the slinging wire 11. Next, the hoisting device 8 is urged to raise the hoisting device 8, and the hoisting device 8 is fixedly installed at a predetermined position on the top of the hoistway 1.

[0006]

In the conventional elevator installation method as described above, the hoisting device 8 to be installed is installed.
Is restricted by the total value of the vertical dimensions of the lifting tool 4, the lifting device 5, and the slinging wire 11. For this reason, from the ceiling surface 3 of the hoistway 1 to the machine table 1 of the hoisting device 8
Since the height dimension to 0 becomes longer, the height A shown in FIG. 13 from the landing 2 on the top floor of the hoistway 1 to the ceiling surface 3 of the hoistway 1 increases. Therefore, there is a problem that the height of the building in which the elevator from the landing 2 on the top floor is installed is unnecessarily high, the construction cost of the building increases, and there is a possibility that the sunshine right in the surrounding area may be violated.

The present invention has been made in order to solve such a problem, and an object of the present invention is to provide an elevator installation method which can easily install a hoisting device near an upper end in a hoistway.

[0008]

In the elevator installation method according to the present invention, a first step of lifting a hoisting device to a predetermined ascending position of a hoistway by a hoisting device via a hoistway top of the elevator; Construction by the second step of pushing up the hoisting device at the predetermined ascending position to the installation position above the predetermined ascending position by the lifting device via the fixing portion of the hoistway below the hoisting device arranged at the ascending position. Is performed.

Further, in the elevator installation method according to the present invention, the fixed portion is formed by the upper end of the rail erected on the hoistway.

[0010] In the elevator installation method according to the present invention, the fixed portion is formed by a support arm projecting horizontally from a wall near the top of the hoistway.

In the elevator installation method according to the present invention, a fall prevention fitting temporarily provided on the upper surface of the hoisting machine of the hoisting device and movably engaged with a fixed portion comprising a rail is provided.

Further, in the elevator installation method according to the present invention, a first step of lifting a hoisting device to a predetermined ascending position of a hoistway by a hoisting device via a hoistway top of the elevator, and standing in the hoistway. A support girder provided at the upper end of the rail, the lower end of which is suspended from the support girder, and a lower end of which is inserted into the hoisting device and a nut disposed on the lower surface of the hoisting device and screwed into the insertion end of the screw rod. With the lifting device thus configured, construction is performed by the second step of lifting the hoisting device at the predetermined raising position to the installation position above the predetermined raising position.

[0013]

DESCRIPTION OF THE PREFERRED EMBODIMENTS Embodiment 1 1 to 5 are diagrams showing an example of an embodiment of the present invention. FIG. 1 is a vertical sectional view of a hoistway showing a first situation of installation of a hoisting apparatus, and FIG. 1 is a diagram showing the situation, FIG. 3 is a diagram corresponding to FIG. 1 showing a third situation of installation of the hoisting device, FIG. 4 is a diagram corresponding to FIG. 1 showing a fourth situation of installation of the hoisting device, and FIG. FIG. 2 is a diagram corresponding to FIG. 1, showing a state of completion of installation.

In the drawing, 1 is a hoistway of an elevator provided with a landing 2, 3 is a ceiling surface of the hoistway 1, 4 is a hanger provided on the ceiling surface 3, and 5 is an electric motor temporarily provided on the hanger 4. A lifting device 6 composed of a chain block, 6 is a fixed portion composed of a rail erected on the hoistway 1 via a rail bracket 7 and configured to the hoistway 1, and guides an elevator car (not shown) or the like up and down. I do. Reference numeral 8 denotes a hoisting device including a hoisting machine 9 and a machine base 10 on which the hoisting machine 9 is installed.

Reference numeral 11 denotes a hoisting device,
, A plurality of fastening holes provided at the upper end of the fixed portion 6 at a distance from each other along the length of the fixed portion 6, and 13 at both ends of the fixed portion 6 on both sides. The temporary beam 14 is a fastener, and is composed of a bolt inserted into the fastening hole 12 and a nut screwed into the bolt, and fastens the temporary beam 13 to the fixing portion 6 in a detachable manner.

A lifting device 15 for lifting the hoisting device 8 comprises a jack 15a, a fastener 15b comprising a bolt and a nut for fastening the upper side of the jack 15a to the machine base 10 and the lower side to the temporary beam 13, respectively. Have been. FIG. 1 shows a state where the jack 15a is shortened.

With the above configuration, the elevator installation work is performed as described below. That is, although not shown, a work scaffold is temporarily provided in the hoistway 1, and the work from this scaffold causes the fixed portion 6 made of a rail to stand upright in the hoistway 1 via the rail bracket 7. . Next, the lifting device 5 is temporarily installed on the lifting device 4, and the hook of the lifting device 5 is lowered to the lower part of the hoistway 1. And
For example, the hoisting device 8 and the lifting device 15 are integrated in the landing 2 on the ground floor, and the hoisting device 8 and the lifting device 15 integrated into the hoistway 1 via the slinging wire 11 are hooked to the lifting device 5. Connect to

Next, the hoisting device 8 and the push-up device 15 which are integrated by urging the hoisting device 5 are raised to raise and lower the hoisting device 4, the hoisting device 5 and the slinging wire 11 from the highest position. Hoisting device 8 integrated at the first predetermined position on the top of road 1
And a lifting device 15. Next, the temporary beam 13 is temporarily installed in the fastening hole 12 of the fixing portion 6 by the fastener 14. Thus, the lifting device 5 is loosened in this state as shown in FIG. 1 and the lifting device 5 and the slinging wire 11 are removed.

Next, the lifting device 15 is extended in the state shown in FIG. 1 to push up the hoisting device 8 from the first predetermined position on the top of the hoistway 1 to the second predetermined position. As a result, as shown in FIG. 2, the machine base 10 of the hoisting device 8 is fastened to the corresponding fastening holes 12 of the fixing portion 6 by the fasteners 14 and temporarily installed.

Then, the fastener 15b of the temporary beam 13 is removed from the state shown in FIG. 2, and then the temporary beam 13 is pulled up by shortening the jack 15a so that the fastening hole above the position of the temporary beam 13 in FIG. At the position 12, the temporary beam 13 is temporarily re-installed by the fastener 14, and the state shown in FIG. 3 is obtained.

Next, in the state shown in FIG. 3, the lifting device 15 is extended to push up the hoisting device 8 from the second predetermined position on the top of the hoistway 1 to the installation position. Thereby, as shown in FIG. 4, the machine base 10 of the hoisting device 8 is fastened to the corresponding fastening holes 12 of the fixing portion 6 by the fasteners 14 and installed. Next, the fastener 15b is removed, the temporary beam 13 and the lifting device 15 are removed, and the state shown in FIG. 5 is reached, and the installation work of the hoisting device 8 is completed.

As described above, in the installation work of the hoisting device 8, the hoisting device 5 and the push-up device 15 are first integrated, and the hoisting device 5 is connected via the hoist 4 at the top of the hoistway 1.
A first step of lifting the hoistway 1 at a predetermined ascending position is performed. Then, the hoisting device 8 at the predetermined ascending position is moved upward by the push-up device 15 through the fixing portion 6 of the hoistway 1 below the hoisting device 8 disposed at the predetermined ascending position. Is carried out, and construction is performed by at least the first step and the second step.

Therefore, the highest position of the hoisting device 8 to be installed is the lifting device 4, the hoisting device 5, and the slinging wire 1
The hoisting device 8 can be easily raised to a required installation position near the top of the hoistway 1 without being restricted by the total value of the vertical dimensions of the hoistway 1. For this reason, hoistway 1
The height dimension from the ceiling surface 3 to the machine table 10 of the hoisting device 8 can be shortened, and the landing 2 on the top floor of the hoistway 1 can be reduced.
5 from FIG. 5 to the ceiling surface 3 of the hoistway 1 can be reduced.

As a result, the hoisting device 8 can be easily installed near the ceiling surface 3 of the hoistway 1, and the height of the building where the elevator from the landing 2 on the top floor is installed does not increase unnecessarily. . Therefore, the construction cost of the building can be reduced, and the sunshine problem in the surrounding area can be solved.

Embodiment 2 6 to 8 are views showing an example of another embodiment of the present invention. FIG. 6 is a vertical sectional view of a hoistway showing a first situation of installation of a hoisting device, and FIG.
FIG. 8 is a sectional view corresponding to FIG. 6, showing a second state of installation of the hoisting device. In the drawings, the same reference numerals as those in the above-described embodiments of FIGS. 1 to 5 denote corresponding parts, and 16 is a fixing portion including a support arm protruding horizontally from the wall surface of the hoistway 1 and vertically separated from each other. It is attached by the anchor bolt 17 arranged at the position where it is located, and is sequentially arranged at the position of the anchor bolt 17 above in accordance with the progress of the installation process.

The elevator installation method having the above-described structure is performed by the hoisting device 8 and the temporary installation through the fastening holes 12 and the fasteners 14 by the fixing portions 6 made of rails in the embodiment of FIGS. The structure for supporting the beam 13 is changed to the hoisting device 8 and the temporary beam 13 by the fixing portion 16 including a support arm.
Is replaced by a configuration that supports.

In the installation work of the hoisting device 8,
A first step of hoisting the hoisting device 8 to a predetermined ascending position of the hoistway 1 by the hoisting device 5 via the hoist 4 at the top of the hoistway 1 is performed. Next, the hoisting device 8 at the predetermined ascending position is moved upward by the lifting device 15 through the fixing portion 16 of the hoistway 1 below the hoisting device 8 disposed at the predetermined ascending position. Is carried out.

Then, the lifting device 15 is extended to lift the hoistway 1
Aside from the step of pushing up the hoisting device 8 from the first predetermined position on the top to the second predetermined position, at least the first step and the second step are performed, and the hoisting device 8 arranged at the installation position corresponds. It is installed on the fixing part 16. Therefore, although detailed description is omitted, the same operation as the embodiment of FIGS. 1 to 5 can be obtained in the embodiment of FIGS.

Embodiment 3 9 to 11 are also views showing an example of another embodiment of the present invention. FIG. 9 is a vertical sectional view of a hoistway showing a first situation of installation of a hoisting apparatus, and FIG. 9 and FIG. 11 showing the second situation, and FIG. 11 is an enlarged cross-sectional view taken along line CC of FIG. In the figures, the aforementioned FIGS.
The same reference numerals as those in the embodiment of FIG. 5 denote corresponding parts, and reference numeral 18 denotes a fall prevention bracket which is temporarily fastened to the upper surface of the hoisting machine 9 by fastening bolts 181, and whose end is connected to a sliding member 182. It is movably engaged with a fixed portion 6 formed of a rail.

In the elevator installation method having the above-described configuration, the hoisting device 8 is connected to the hoist 4 on the top of the hoistway 1.
A first step of lifting the hoistway 1 to a predetermined ascending position on the hoistway 1 by the lifting device 5 is performed. Next, the fixing portion 6 of the hoistway 1 below the hoisting device 8 disposed at the predetermined ascending position.
, A second step of pushing the hoisting device 8 at the predetermined ascending position to the installation position above the predetermined ascending position by the lifting device 15 is performed.

Then, the lifting device 15 is extended to extend the hoistway 1
Aside from the step of pushing up the hoisting device 8 from the first predetermined position on the top to the second predetermined position, at least the first step and the second step are performed, and the hoisting device 8 arranged at the installation position corresponds. It is installed on the fixing part 6. Therefore, although detailed description is omitted, the same operation as the embodiment of FIGS. 1 to 5 can be obtained in the embodiment of FIGS. 9 to 11.

In the embodiments shown in FIGS. 9 to 11, the upper end of the hoisting device 8 is movably engaged with the fixing portion 6 made of a rail by a fall prevention metal fitting 18. For this reason, the upper part of the hoisting device 8 having a high center of gravity relative to the machine base 10 is guided by the fixing part 6 and moves. Thereby, the hoisting device 8 can be moved up in a stable state, and the installation work of the hoisting device 8 can be facilitated.

Embodiment 4 FIG. FIG. 12 is also a view showing an example of another embodiment of the present invention, and is a longitudinal sectional view of a hoistway showing a first situation of installation of a hoisting device. In the figure, the same reference numerals as those in the embodiment of FIGS.
Is a lifting device, a support girder 20 having both ends fixed to the upper end of a fixing portion 6 composed of rails on both sides. The support girder 20 is inserted through the support girder 20 from above and the lower end is loosely fitted to the machine base 10 of the hoisting device 8. A screw bar 21 is disposed near each end of the support girder 20, and a nut 22 is disposed on the lower surface of the machine base 10 and screwed into the insertion end of the screw bar 21.

In the elevator installation method having the above-described configuration, the hoisting device 8 is connected to the hoist 4 on the top of the hoistway 1.
A first step of lifting the hoistway 1 to a predetermined ascending position on the hoistway 1 by the lifting device 5 is performed. Next, a hoisting device 19 is temporarily installed on the fixed portion 6 at the upper end of the hoistway 1, and the hoisting device 8 at the predetermined ascent position is turned to the installation position above the predetermined ascent position by turning the nut 22 of the hoisting device 19. A second step of lifting is performed.

Then, the work in the first step and the second step is performed, and the hoisting device 8 arranged at the installation position is installed on the corresponding fixing portion 6. Therefore, although detailed description is omitted, the same operation as the embodiment of FIGS. 1 to 5 can be obtained in the embodiment of FIG. The lifting device 1
9 is removed after fixing the hoisting device 8 in the installation position.

[0036]

As described above, according to the present invention, the first step of lifting the hoisting device to the predetermined ascending position of the hoistway by the hoisting device through the hoistway top of the elevator, and the hoisting device are disposed at the predetermined ascending position. The second step of raising the hoisting device at a predetermined ascending position to an installation position above the predetermined ascending position by a lifting device via a fixing portion of a hoistway below the hoisting device is performed.

Thus, the highest position of the hoisting device to be installed is not restricted by the total value of the vertical dimensions of the hoisting device, hoisting device, slinging wire, etc., and the hoisting device is moved to the top of the hoistway. It can be easily raised to the required required installation position. For this reason, the height dimension from the hoistway ceiling surface to the machine stand of the hoisting device can be shortened, and the height from the top floor of the hoistway to the hoistway ceiling surface can be reduced. it can. Therefore, the hoisting device can be easily installed near the ceiling surface of the hoistway, and the height of the building where the elevator from the landing on the top floor is installed does not increase unnecessarily. This saves on building costs,
It also has the effect of eliminating the sunshine problem in the surrounding area.

Further, as described above, in the present invention, the fixed portion is formed by the upper end portion of the rail erected on the hoistway.

Thus, the highest position of the hoist to be installed is not restricted by the total value of the vertical dimensions of the hoisting device, hoisting device, slinging wire, etc., and the hoisting device is moved to the top of the hoistway. It can be easily raised to the required required installation position. For this reason, the height dimension from the hoistway ceiling surface to the machine stand of the hoisting device can be shortened, and the height from the top floor of the hoistway to the hoistway ceiling surface can be reduced. it can. Therefore, the hoisting device can be easily installed near the ceiling surface of the hoistway through the fixed part consisting of the upper end of the rail installed on the hoistway, and the building in which the elevator from the landing on the top floor is installed The height does not increase unnecessarily. This has the effect of reducing the construction costs of the building and eliminating the sunshine problem in the surrounding area.

Further, as described above, in the present invention, the fixed portion is formed by the support arm projecting horizontally from the wall near the top of the hoistway.

Thus, the highest position of the hoist to be installed is not restricted by the total value of the vertical dimensions of the hoisting device, hoisting device, slinging wire, etc., and the hoisting device is mounted on the top of the hoistway. It can be easily raised to the required required installation position. For this reason, the height dimension from the hoistway ceiling surface to the machine stand of the hoisting device can be shortened, and the height from the top floor of the hoistway to the hoistway ceiling surface can be reduced. it can. Therefore, the hoisting device can be easily installed near the ceiling surface of the hoistway through the fixed part consisting of the support arm protruding horizontally from the wall near the top of the hoistway, and the elevator from the landing on the top floor is installed. The height of the building will not be unnecessarily high. This has the effect of reducing the construction costs of the building and eliminating the sunshine problem in the surrounding area.

Further, as described above, the present invention is provided with a fall-prevention metal fitting which is tentatively provided on the upper surface of the hoisting machine of the hoisting device and movably engaged with a fixed portion comprising a rail.

Thus, the highest position of the hoist to be installed is not restricted by the total value of the vertical dimensions of the hoisting device, the hoisting device, the slinging wire, etc. It can be easily raised to the required required installation position. For this reason, the height dimension from the hoistway ceiling surface to the machine stand of the hoisting device can be shortened, and the height from the top floor of the hoistway to the hoistway ceiling surface can be reduced. it can. Therefore, the hoisting device can be easily installed near the ceiling surface of the hoistway, and the height of the building where the elevator from the landing on the top floor is installed does not increase unnecessarily. This saves on building costs,
It also has the effect of eliminating the sunshine problem in the surrounding area. In addition, since the hoisting device is provided with a fall prevention fitting and is movably engaged with the fixed portion formed by the rail, the hoisting device can be moved up in a stable state, and the installation work is simplified. effective.

As described above, according to the present invention, the first step of lifting the hoisting device to a predetermined elevation position of the hoistway by the hoisting device via the hoistway top of the elevator, and the erecting device is provided on the hoistway. It is composed of a support girder provided at the upper end of the rail, a screw rod which is suspended from the support girder and whose lower end is inserted into the hoisting device, and a nut which is disposed on the lower surface of the hoisting device and is screwed into the insertion end of the screw rod. The lifting device raises the hoisting device at the predetermined raising position to an installation position above the predetermined raising position, thereby performing construction by a second step.

Thus, the highest position of the hoist to be installed is not restricted by the total value of the vertical dimensions of the hoisting device, hoisting device, slinging wire, etc. It can be easily raised to the required required installation position. For this reason, the height dimension from the hoistway ceiling surface to the machine stand of the hoisting device can be shortened, and the height from the top floor of the hoistway to the hoistway ceiling surface can be reduced. it can. Therefore, the hoisting device at the upper end of the rail installed on the hoistway can easily install the hoisting device near the ceiling surface of the hoistway, and the height of the building where the elevator from the landing on the top floor is installed can be reduced. It doesn't get unnecessarily high. This has the effect of reducing the construction costs of the building and eliminating the sunshine problem in the surrounding area.

[Brief description of the drawings]

FIG. 1 is a view showing a first embodiment of the present invention, and is a longitudinal sectional view of a hoistway showing a first state of installation of a hoisting device.

FIG. 2 is a diagram corresponding to FIG. 1, showing a second situation of installation of the hoisting device.

FIG. 3 is a diagram corresponding to FIG. 1 showing a third situation of installation of the hoisting device.

FIG. 4 is a diagram corresponding to FIG. 1, showing a fourth situation of installation of the hoisting device.

FIG. 5 is a view corresponding to FIG. 1, showing a state of completion of installation of the hoisting device.

FIG. 6 is a view showing the second embodiment of the present invention, and is a longitudinal sectional view of a hoistway showing a first state of installation of a hoisting device.

FIG. 7 is an enlarged cross-sectional view taken along line BB of FIG. 6;

FIG. 8 is a view corresponding to FIG. 6, showing a second situation of installation of the hoisting device.

FIG. 9 is a view showing the third embodiment of the present invention, and is a longitudinal sectional view of a hoistway showing a first state of installation of a hoisting device.

FIG. 10 is a diagram corresponding to FIG. 9, showing a second situation of installation of the hoisting device;

FIG. 11 is an enlarged cross-sectional view taken along line CC of FIG. 10;

FIG. 12 is a view showing the fourth embodiment of the present invention, and is a longitudinal sectional view of a hoistway showing a first situation of installation of a hoisting device.

FIG. 13 is a view for explaining a conventional elevator installation method, and is a longitudinal sectional view of a hoistway.

[Explanation of symbols]

DESCRIPTION OF SYMBOLS 1 hoistway, 5 lifting device, 6 fixing part, 8 hoisting device, 15 lifting device, 16 fixing part, 18 fall prevention metal fitting, 19 pulling device, 20 support girder, 21 screw rod,
2 nuts.

Claims (5)

[Claims] A first step of lifting the hoisting device to a predetermined elevation position of the hoistway by a hoisting device via a hoistway top of an elevator; and a step below the hoisting device arranged at the predetermined elevation position. And a second step of pushing up the hoisting device at the predetermined ascending position to an installation position above the predetermined ascending position by a lifting device via the fixed portion of the hoistway. 2. The elevator installation method according to claim 1, wherein the fixed portion is formed by an upper end portion of a rail erected on the hoistway. 3. The elevator installation method according to claim 1, wherein the fixing portion is formed by a support arm protruding horizontally from a wall near the top of the hoistway. 4. A fall prevention fitting temporarily provided on an upper surface of a hoist of a hoist of a hoisting device and movably engaged with a fixed portion comprising a rail. Elevator installation method according to one of the above. 5. A first step of lifting a hoisting device to a predetermined elevation position of the hoistway by a hoisting device via a hoistway top of an elevator, and provided at an upper end of a rail erected on the hoistway. A lifting device including a support girder, a screw rod that is suspended from the support girder and has a lower end inserted into the hoisting device, and a nut disposed on the lower surface of the hoisting device and screwed into the insertion end of the screw bar. And lifting the hoisting device at the predetermined ascending position to an installation position above the predetermined ascending position.