JPH07247087A - Installation method of escalator truss - Google Patents

Abstract

PURPOSE:To provide an installation method of escalator truss allowing a truss to be transported and installed without installing a winch at the ceiling. CONSTITUTION:An escalator truss is divided plurally in the travel direction to form divided trusses 20A-20I. A pair of guide members are provided at the upper part of each divided truss, and wheels 23 are provided at the lower part. The divided truss 20G is transported while making the wheels 23 of the divided truss 20G travel on the guide members of the already installed divided trusses 20A-20F by a winch installed on the floor plate 4 at an upper landing. A vertical moving device 13G such as an air bag is disposed on the floor face 2. The divided truss 20G is placed on the vertical moving device 13G, and while operating the vertical moving device 13G, the divided truss 20G is installed in a specified position.

Description

Detailed Description of the Invention

[0001]

FIELD OF THE INVENTION The present invention relates to a method of installing an escalator truss.

[0002]

2. Description of the Related Art The structure of a conventional escalator truss is disclosed in JP-A-59-26879 or JP-A-3-133.
As shown in Japanese Patent Publication No. 895, the installation in the case where it is installed in a portion having a ceiling is performed by attaching a wire to the ceiling, moving the winch along the wire, carrying in the truss to a predetermined position, and then assembling. Was doing. In addition, when installing on a part without a ceiling, a crane was used to lift the truss and transport it to a predetermined position.

[0003]

However, the conventional escalator truss installation method is effective when there is no restriction in the upper part of the installation position, but when restrictions are imposed, for example, an underground passage. When removing the existing escalator installed in No.1 and replacing it with a new escalator, the ceiling surface of the installation section is already finished, so it is not possible to install a winch using the wire supported on this ceiling. It is not possible to adopt the installed method. In addition, when removing the existing escalator and replacing it with a new escalator, or when cutting out a sloping mountain and installing the escalator there, it is still difficult to install the winch or crane above it, and the installation method described above Can not be adopted.

An object of the present invention is to provide a method of installing an escalator truss capable of transporting and installing the truss without installing a winch on the ceiling.

[0005]

In order to achieve the above object, the present invention divides an escalator truss into a plurality of escalator trusses in the traveling direction of the escalator, and divides the divided truss from one of the entrance / exit floor plates to the other of the entrance / exit floor plates. Side-by-side installation,
It is characterized in that the above-mentioned divided truss to be installed next is moved to a predetermined floor surface position for installation by utilizing the upper portion of the already-installed divided truss.

[0006]

In the method of installing the escalator truss according to the present invention, the divided truss to be installed next is moved to a predetermined floor surface position by utilizing the upper portion of the already installed divided truss as described above. It is possible to move the split truss to a predetermined floor position with a simple facility by installing a winch on the floor plate side of the entrance / exit of the entrance, and there is no need to install wires or winches on the existing ceiling, and the existing escalator installed in the underground passageway. Installation is also easy when removing and replacing the escalator with a new one.

[0007]

Embodiments of the present invention will be described below with reference to the drawings. FIG. 1 is a side view showing a state where an escalator is being installed, which adopts an escalator truss installation method according to an embodiment of the present invention. A lower platform 5 having a predetermined height is installed on the lower boarding floor 3 of the building 1, and an upper platform 7 having a predetermined height is installed on the upper boarding floor 4.
A hook 6 is attached to an upper part of the lower mount 5 facing the upper mount 7, and a hook 8 is mounted to an upper part of the upper mount 7 facing the lower mount 5. A winch 9 and a compressor 1 are provided near the upper mount 7.
1 is installed. When there is an existing escalator truss in the building 1 as shown in Fig. 1, the procedure is reversed from the installation method described below, or the existing escalator truss is cut into a size that can be carried out, and the winch 9 etc. Can be easily carried out. After that, when installing a new escalator truss, a split truss 2 that divides the escalator truss into multiple pieces in the traveling direction of the escalator
Prepare 0A to 20I.

First, the split truss 2 on the lower boarding side floor plate 3 side
Install from 0A, but after transporting the first split truss 20A to the lower entrance / exit, hook the wire 10 stretched from the winch 9 through the hook 8 to the hook 6, and then fix it to the split truss 20A, While pulling up, the split truss 20A is pulled up and installed at a predetermined position shown in FIG. When positioning the split truss 20A at a predetermined position, the vertical moving device 13A is configured with a fluid bag such as an air bag, and the split truss 20A is placed on the vertical moving device 13A arranged on the floor surface 2 After adjusting the height with the direction moving device 13A. The divided truss 20A is welded and fixed to a predetermined stopper. The usage of the vertical movement device 13A is the same as the case of installing the other divided trusses 20B to 20I, and the other divided truss 20B.
Since the installation method of ~ 20I is almost the same, the split truss 20G will be described here as an example.

1 to 4, the installation starts from the split truss 20A on the lower entrance / exit floor plate 3 side and finishes installation up to the split truss 20F, and the split truss 20G located on the upper entrance / exit floor plate 4 side of the split truss 20F is transported. It shows the state of doing. The split truss 20G is carried in from the lower entrance / exit floorboard 3 side, and the wire 10 stretched from the winch 9 through the hook 8 is connected to the split truss 20G. Pull up to the side. Split truss 20 to be installed at this time
G moves using the upper part of the division trusses 20A to 20F already installed. This will be described with reference to FIG. 4, which is a vertical cross-sectional view showing a state in which the split truss 20G is located above the split truss 20E among the already installed split trusses 20A to 20F. As can be seen from the figure, the already installed split truss 20E has a pair of substantially parallel rail-shaped or plate-shaped guide members 21E in the upper part thereof, and the other split trusses 20A to 20I have the same structure. Therefore, a pair of guide members that are substantially continuous by the guide members of the already installed divided trusses 20A to 20E are configured in the traveling direction of the escalator or the dividing direction of the escalator truss. On the other hand, in the lower part of each of the divided trusses 20A to 20I, as shown in the divided trusses 20E and 20G, a lower connecting body 22 is formed.
A pair of substantially parallel guide members 21 described above for E and 22G
Corresponding to E and 21G, wheels 23 capable of traveling in the same portion are detachably attached. In addition, the wheels 23 of the already installed split trusses 20A to 20F are removed,
The wheels 23 are not shown in the split truss 20E of FIG.

Accordingly, as shown in FIG. 1, when the split truss 20G is pulled up to the upper entrance / exit floor plate 4 side while winding the winch 9, the wheels 23 of the split truss 20G rotate on the pair of substantially parallel guide members 21E. For split truss 2
It is possible to easily pull up 0G. By the time the split truss 20G moves to the upper part of the split truss 20F at the latest, the vertical movement device 13G is arranged by using the stopper 14 on the installation floor surface 2 of the split truss 20G as shown in FIG. Is connected to the compressor 11 via a pipe 12, and a rail-shaped or plate-shaped guide member 15 is arranged above the vertical movement device 13G as shown in FIG. 2 to adjust the height of the vertical movement device 13G. The height of the split truss 20F should be almost the same as the height of the split truss 20F.

Thereafter, as shown in FIG. 2, a winch 9 is further added.
When the split truss 20G is pulled up to the side of the upper entry / exit floor plate 4 while winding up, the split truss 20G is placed on the guide member 15 arranged above the vertical movement device 13G.
Next, the winch 9 is stopped and the vertical movement device 13
When G is operated downward, for example, in the case of an air bag, air is released into the atmosphere and the split truss 20G is moved downward, as shown in FIG.
To the state of. In this state, the divided truss 20G is fixed to the divided truss 20F and the stopper 14 by welding.
At this time, the wheels 23 provided on the lower portion of the split truss 20G shown in FIG. 4, the guide member 15, and the vertical movement device 1
Remove 3G as needed. The next divided truss is installed on the upper boarding side entrance / exit floor plate 4 side of the divided truss 20G, but by repeating the same work, the installation of a new escalator truss is completed. Then, the lower mount 5, the upper mount 7, the winch 9, the compressor 11, etc. are removed. When the existing escalator finished on the ceiling surface installed in the underground passage or the like is removed and replaced with a new escalator, the truss can be easily installed without installing a winch on the ceiling.

When the split trusses 20A to 20I can be carried in only from the upper entrance / exit floor plate 4 side, a winch is provided on the lower entrance / exit floor plate 3 side and a braking action is applied to the divided truss lowered by the winch. The device can be installed on the upper entrance / exit floor plate 4 side, and can be installed from the divided truss 20I on the upper entrance / exit floor plate 4 side to the divided truss 20A as in the case described above. Further, as a device for vertically moving each split truss as excited by the vertical movement device 13G, a vertical movement device configured by a hydraulic jack device or the like may be used. Furthermore, the structure of each split truss should be such that the next split truss can be moved over the split truss already installed in the installation direction of the split truss, and it is provided at the bottom of each split truss to facilitate this movement. The wheels 23 and the guide members provided on the upper portions of the divided trusses for guiding the wheels 23 may be arranged in reverse,
It may be configured with another guide device.

[0013]

As described above, in the method of installing the escalator truss according to the present invention, the escalator truss is divided into a plurality of pieces in the traveling direction, and the trusses are sequentially divided from the one entrance / exit floor plate side toward the other entrance / exit floor plate side. Since the upper part of the already installed split truss is used to move the split truss to be installed next, even if the ceiling is already completed, transport without installing a winch on this ceiling. Can be installed.

[Brief description of drawings]

FIG. 1 is a side view of an escalator showing a state in which the escalator truss installation method according to an embodiment of the present invention is being adopted.

FIG. 2 is a side view of the escalator showing another state in which the escalator truss installation method according to the embodiment of the present invention is being used.

FIG. 3 is a side view of the escalator showing still another installation state in which the installation method of the escalator truss according to the embodiment of the present invention is adopted.

FIG. 4 is a vertical sectional view of the escalator shown in FIG.

FIG. 5 is a side view showing the escalator truss after installation.

[Explanation of symbols]

 2 Floor surface 3 Upper entrance / exit floor board 4 Upper entrance / exit floor board 9 Winch 11 Compressor 12 Pipe 13G Vertical movement device 20A-20I Split truss 21G, 21E Guide member 23 Wheel

Claims (5)

[Claims] 1. An escalator truss is divided into a plurality of parts in the traveling direction of the escalator, and the divided trusses are sequentially installed from one of the entrance / exit floor plate sides to the other of the entrance / exit floor plate sides, and the upper portion of the already installed divided truss is installed. An installation method of an escalator truss, characterized in that the divided truss to be installed next is moved to a predetermined floor surface position for installation. 2. The winch according to claim 1, wherein a winch is installed on one of the entrance / exit floor plate sides, and the split truss is moved to the predetermined floor surface position by the winch. How to install escalator truss. 3. The vertical movement device according to claim 1, wherein the vertical movement device is arranged at the predetermined floor surface position, the divided truss is mounted on the vertical movement device, and then the vertical movement device is operated. The divided truss is moved to the predetermined floor surface position by means of an escalator truss installation method. 4. The apparatus according to claim 3, wherein the vertical movement device is a fluid bag, and fluid in the fluid bag is controlled to move the divided truss to the predetermined floor surface position. Escalator truss installation method characterized by. 5. The guide device according to claim 3, wherein a guide device including guide members and wheels is provided on an upper portion of the split truss already installed and on a lower portion of the split truss installed next. How to install escalator truss.