JPS6366129B2 - - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION (Field of Industrial Application) The present invention relates to a method for vertically installing a long bus duct in a building or other building.

(Prior Art) The present applicant previously installed a plurality of flat elongated insulators 1 in parallel as shown in FIGS. A long bus duct 5 has been proposed in which rigid parts 3 and flexible parts 4 are arranged alternately in the longitudinal direction. The elongated insulated conductor 1 has a structure in which the outer periphery of the elongated conductor 1A made of a rectangular conductor is covered with an insulating coating 1B.

As shown in Fig. 1, such a long bus duct 5 can be folded by bending at the flexible part 4, making it possible to transport even a long bus duct, and reducing the number of connections in the installed state. This has the advantage of shortening the number of days required for construction work at the installation site.

When installing such a long bus duct 5 vertically in a building, conventionally the long bus duct 5 is transported to the lower floor of the building 6 in a folded state as shown in FIG. Considering the ease of pulling out the long bus duct 5, the long bus duct 5 is installed in the building 6 so that the folding direction of the long bus duct 5 faces up and down.
The long bus duct 5 is installed under the floor through hole 8 provided in the floor 7 of the bus duct 5, and by lifting the hanging fitting 9 at the tip of the long bus duct 5 with a wire rope, the long bus duct 5 is successively straightened and raised vertically. They were laying the ground.

However, in such a vertical installation method of the long bus duct 5, when the long bus duct 5 is straightened from a folded state and laid, the rigid body part 3 gets stuck diagonally in the floor through hole 8 of the lowest floor. In order to start up the long bus duct 5 without any problem, the height H of the ceiling floor 7 of the floor where the long bus duct 5 is installed is the sum of the height h of the long bus duct 5 in the folded state and the length L of one rigid body part 3. This method requires a height obtained by adding plus α, that is, H=h+L+α, and has the disadvantage that it is difficult to implement only in buildings where the height H of the floor 7 of the ceiling is high.

(Object of the Invention) An object of the present invention is to provide a method for vertically installing a long bus duct, which can be easily installed even in a building where the ceiling height of the floor into which the long bus duct is to be carried is low.

(Structure of the Invention) According to the present invention, a long bus duct having rigid parts and flexible parts alternately in the longitudinal direction is installed under a construction site in a building in a folded state, and the long bus duct is placed on one end side of the long bus duct. In a vertical installation method for a long bus duct, in which the long bus duct is vertically installed after being straightened into a straight line, the long bus duct is installed under the installation site in the building with the folding direction parallel to the floor surface. The present invention is characterized in that the long bus duct is vertically laid by standing up from one end thereof in a direction intersecting the folding direction.

(Example) Hereinafter, an example of the present invention will be described in detail with reference to FIGS. 5 and 6. In this embodiment, the long bus duct 5 in a folded state is installed under the floor through hole 8 at the installation site so that the folding direction is parallel to the surface of the floor 7 of the building 6. Vertical installation is performed by standing up from one end in a direction that intersects the folding direction.

If this installation method is used, the height H of the floor 7 above the ceiling of the floor on which the long folding bus duct 5 is installed will be:
If the height is the length L of one rigid body part 3 of the long bus duct 5 plus α, that is, H = L + α, the rigid body part 3 will not be obliquely stuck in the floor through hole 8 of the lowest floor. Vertical installation can be done.

In addition, the long insulated conductor in the example has a structure in which the outer periphery of the long conductor made of a rectangular conductor is covered with an insulating coating, but the long insulated conductor is not limited to the above, and for example, a long insulated conductor made of a round conductor. It may also have a structure in which an insulating coating is placed on the outer periphery of a long conductor.

(Effects of the Invention) As explained above, in the method for vertically installing a long bus duct according to the present invention, the long bus duct in a folded state is installed under the installation site with its folding direction parallel to the floor surface, Since such a long bus duct is raised from one end in a direction crossing the folding direction and installed vertically, the height of the ceiling of the floor where the folded long bus duct is installed is equal to that of one rigid body part of the long bus duct. If the length is plus α, the rigid body part can be raised and installed vertically without getting obliquely into the floor through hole of the ceiling. Therefore, according to the present invention, it is possible to easily install the long bus duct vertically even in a building where the floor ceiling height is low.

[Brief explanation of drawings]

Figure 1 is a front view of an example of a long bus duct in a folded state, Figures 2 and 3 are cross-sectional views of the flexible and rigid parts of this long bus duct, and Figure 4 is a proposal for a long bus duct. FIGS. 5 and 6 are a longitudinal sectional view and a perspective view showing an example of the vertical installation process of a long bus duct according to the present invention. 1... Long insulated conductor, 2... Rigid body box, 3... Rigid body part, 4... Flexible part, 5... Long bus duct, 6
...building, 7...floor, 8...floor through hole.

Claims (1)

[Claims] 1. A long bus duct, which has rigid parts and flexible parts alternately in the longitudinal direction, is folded and installed under the installation site in a building, and the long bus duct is straightened into a straight line from one end and then stood up. In the vertical installation method for a long bus duct in which the long bus duct is raised and laid vertically, the long bus duct in a folded state is installed under the installation site in the building with the folding direction parallel to the floor surface, and the long bus duct is placed under the installation site in the building. A method for vertically installing a long bus duct, which is characterized by vertically installing a long bus duct by standing it up from one end in a direction crossing the folding direction.