JPH108405A - Method and device for expanding volume of trough for existing wiring line - Google Patents

Abstract

PROBLEM TO BE SOLVED: To additionally store a new-installed wiring line group by mounting an expansion side wall on an existing side wall through a connection adapter to increase the volume of a trough in the trough for an existing wiring line to be arranged in the vicinity of a railway track. SOLUTION: A trough lid 22 to close an upper opening of a wiring line trough 1 of approximately U-shaped section in which the wiring group is stored is removed, and a lower fitting part 7 of a connection adapter 5 made of a wide flange beam is fitted to an upper end part 9 of each side wall 8 of the trough 1 at the position of a connection part 13 of the trough 1. An end part of a member 10 for side wall is fitted to an upper fitting part 6, and integrated with each other so as to be flush with the existing side wall 8 to newly install a side wall 11 for expansion and increase the volume of the trough 1. The new-installed wiring group is stored while the existing wiring group is stored, and the upper opening of the trough 1 can be closed using the existing trough lid 22, and the newly installed wiring group can be easily and additionally stored in the existing trough 1.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a method and an apparatus for expanding the volume of a wiring path trough disposed near a railroad or the like.

[0002]

2. Description of the Related Art Conventionally, a trough for a wiring road is installed near a track such as a railway. In this wiring path trough, various wirings such as electric wires, communication lines and signal lines related to railways and the like are housed inside, and strict and rigid wiring paths for the signal lines and the like are not damaged. Troughs are formed and constructed to prevent water leakage, rat damage, etc. for many years.

However, the number of communication lines and signal lines housed in the wiring path trough has been increasing every year, and the current housed volume may become full.

[0004]

Therefore, in order to cope with such a problem in the prior art, the existing wiring path trough 1 installed as shown in FIGS. 9 to 12 is dug up again and taken out (FIGS. 9 and 10). Then, a new large-volume wiring trough is excavated in order to install a new large-volume wiring trough (see FIG. 11), and a new large-volume wiring trough is buried in the groove 4, and Among them, the work to collectively store the existing wiring group 2 such as signal lines, electric wires and communication lines and the new wiring group 3 to be newly added was taken out from the existing wiring path trough 1 in advance. (See FIG. 12).

However, with such a method,
The existing and in-use wiring path trough 1 must be dug up and taken out, and a larger groove 4 must be dug to bury a new large wiring path trough 20. There is a problem that the replacement work is considerably troublesome, for example, a trough lid 21 to be put on the work trough 20 must be prepared and installed, and the work cost and the production cost of the product also become expensive.

Further, as described above, the existing wiring group 2 such as various signal lines housed in the existing wiring path trough 1 must be replaced, and the work is extremely difficult from this aspect as well. At the same time, there is a fear that an important signal line is disconnected during the replacement work. Thus, the present invention was conceived in order to solve such a conventional problem, and the work is simple, the cost is low, and there is no need to replace the existing various signal lines stored in advance at all. Therefore, an object of the present invention is to provide a method for expanding the volume of a trough for an existing wiring path and a device for expanding the volume of a trough for an existing wiring path, in which there is no trouble such as disconnection of a signal line.

[0007]

According to the present invention, there is provided a method for expanding the volume of a trough for an existing wiring path according to the present invention.
This is a method of expanding the volume of the existing wiring path trough in the shape of a letter.
Excavation is performed at a position near the upper end of both side walls of the existing wiring path trough to expose the upper end.
A plurality of lower fitting portions of the connection adapter made of a shaped steel are placed over the existing wiring path trough at intervals in the longitudinal direction, and then, the side wall member is placed on the upper fitting portion between the installed neighboring connection adapters. To form a new expansion side wall integrated with the existing side wall, and the upper end of the expansion side wall is covered with an existing wiring path trough lid. A method of expanding the volume of a substantially U-shaped existing wiring path trough buried in a predetermined location, excavating a position near the upper end of both sides of the existing wiring path trough to expose the upper end, At the upper end, the lower fitting portion of the connection adapter made of H-shaped steel is spaced apart in the longitudinal direction of the existing wiring path trough, and the connection adapter is placed over the connection portion of the existing wiring path trough, Then, A side wall member is fitted into the upper fitting portion between adjacent connected adapters to form a new extension side wall integrated with the existing side wall, and an existing wiring path is provided at both upper ends of the extension side wall. It is characterized by being covered with a trough lid, and the volume expansion device of the existing wiring path trough according to the present invention is buried in a predetermined location,
A substantially U-shaped existing wiring path trough volume expansion device in which a wiring path trough lid is covered with an opening on the upper surface, excavating a position near the upper end of both side walls of the existing wiring path trough, The upper ends of the exposed side walls, and the upper ends of the exposed side walls are fitted in a plurality of places with an interval in the longitudinal direction of the existing wiring path trough, and have a substantially concave fitting portion in the upward direction. An H-shaped steel connection adapter having a substantially inverted concave fitting portion that covers the upper ends of the exposed side walls in a downward direction, and a side wall member fitted into an upper fitting portion between adjacent connection adapters, and the existing wall member is fitted. A new extension side wall integrated with the side wall is provided, and an existing wiring path trough lid is provided between both upper ends of the formed new side wall.

(Operation) According to the present invention, a lower fitting portion of a connecting adapter made of H-shaped steel is provided at the upper end of both side walls of the existing wiring path trough with an interval in the longitudinal direction of the existing wiring path trough. Further, the connection adapter is provided so as to cover a connection portion of the existing wiring path trough.

Next, a side wall member is fitted into the upper fitting portion between the installed adjacent connection adapters to form a new extension side wall integrated with the existing side wall.
Further, the upper ends of the newly-extended side walls extended upward are covered with the existing wiring path trough lids as they are. Thus, in the present invention, there is no need to dig up the existing wiring path trough and replace it with a new one.

Therefore, there is no need to take out the existing signal head wiring group housed therein, and there is no possibility of breakage. Further, the extension work is easy, and the work cost and the like are low. Furthermore, the existing existing trough lid can be used as it is, and the efficiency from that aspect is also good.

[0011]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS The present invention will be described below based on an embodiment shown in the drawings. In the drawing, reference numeral 1 indicates an existing wiring path trough. As can be understood from FIG. 1, the wiring path trough 1 has a substantially U-shaped cross section and is configured as a block having a predetermined length. These wiring troughs 1
Are linearly connected to form a wiring path.

An existing trough lid 2 is provided at the upper end opening.
2 (see FIG. 9). Usually, the existing wiring path trough 1 is used by being buried underground as a wiring path, and is buried and installed such that the existing trough lid 22 is flush with the ground surface (FIG. 9). reference). The existing wiring group 2 such as various signal lines, electric wires, and communication lines is housed in the wiring path.

The existing installation trough 1 is buried in the vicinity of the side of a railroad or the like and installed with a considerable length like the rail. The existing wiring group 2 such as important signal lines, communication lines or various electric wires is stored. here,
Depending on the use for many years, the volume in the wiring path trough 1 becomes full with the existing wiring group 2, and it may not be possible to store signal lines or communication lines to be newly installed.

Therefore, in the present invention, in order to solve such a problem, instead of newly installing a new wiring path trough 1, an additional member for increasing the volume is attached to the existing wiring path trough 1. Thus, a method and apparatus for increasing the internal volume of the wiring path trough 1 were devised. The method of expanding the volume of the existing wiring path trough 1 according to the present invention will be described. First, the positions of the upper end portions 9 and 9 near the both side walls 8 of the existing wiring path trough 1 buried are excavated, and The upper ends 9, 9 of the trough 1 are exposed to the outside.

Next, the existing trough lid 7 is removed from this state. At this time, the outer peripheral surface of the existing wiring path trough 1 which has been installed and used for many years, in particular, the upper end portions 9 of both side walls 8.
Is preferably cleaned and kept clean. Here, the existing trough lid 7 is removed, and the upper end portions 9, 9 of the both side walls 8, 8 of the existing wiring path trough 1 are exposed. The lower fitting part 7 of the connection adapter 5 provided with the lower fitting part 7 having a substantially concave shape is provided on the lower side.

As shown in FIG. 1, it is assumed that the connecting adapter 5 is to be put on the connecting portion 13 of the existing wiring path troughs 1, 1, which are connected. If it covers this position, it is possible to prevent the wire trough from meandering off the connection portion of the wiring path trough. Then, a plurality of the connection adapters 5 are placed at intervals in the longitudinal direction of the existing wiring path trough 1 and installed.

Here, another embodiment of the connection adapter 5 will be described with reference to FIGS. As shown in the drawing, the upper end of an upper fitting portion 6 is connected to the connecting adapter 5, and the upper fitting portion 6 is formed to have a substantially rectangular tubular shape in vertical section. Therefore, as shown in FIG. 4, both sides in the width direction of the side wall member 10 fitted into the upper fitting portion 6 are cut out.

As described above, the side wall member 1 is attached to the upper fitting portions 6, 6 between the adjacent connection adapters 5, 5 which are installed.
The work of sequentially fitting 0 and 10 is performed, and integrated so as to be flush with the existing side walls to form new expansion side walls 11 and 11. Here, the side wall member 10 is shown in FIGS.
As can be understood from FIG.
It is as described above that a portion corresponding to the thick portion is cut out.

The extension side walls 11, 11 formed as described above
An existing wiring path trough lid 22 can be used for the new upper end portions 12 and 12. That is, the length of the width of the wiring path is not changed. It should be noted that the existing signal lines and electric wires housed in the existing wiring path trough 1 can be worked without taking out the existing wiring group 2 such as communication lines at all. Time can be saved.

Further, a new wiring group 3 such as a new signal line, electric wire or communication line may be stored as it is, which is very efficient. Here, the trough volume expansion device for the existing wiring path trough according to the present invention is buried in the vicinity of the railway track as described above, and the opening on the upper surface is covered by the existing trough lid 21 for the wiring path. The existing wiring path trough 1 is used as it is.

Then, both side walls 8 of the existing wiring path trough 1
The ground near the upper end 9 is excavated, and the upper end 9 of the side walls 8 exposed to the outside is used. The connection adapter 5 is installed on the exposed upper end 9 of the side walls 8 at a plurality of locations at intervals in the longitudinal direction of the existing wiring path trough 1. The connection adapter 5 has a fitting portion 6 having a substantially concave shape in the upward direction, and a fitting portion 7 having a substantially inverted concave shape covering the exposed upper end 9 of the side walls 8 in the downward direction.

Then, the side wall member 10 is fitted into the upper fitting portion 6 between the adjacent connection adapters 5 and 5 to form a new extension side wall 11 integrated with the existing side wall. Furthermore, both upper end portions 1 of the newly formed side wall 11 are formed.
The existing wiring path trough lid 22 can be used between 2 and 12, and is covered.

[0023]

As described above, the present invention has the above configuration. Further, according to the present invention, it is possible to form a wiring path having an excellent working efficiency, a low working cost, and a safely increased capacity without damaging a wiring group such as a signal line.

[Brief description of the drawings]

FIG. 1 is a configuration explanatory diagram illustrating a configuration of the present invention.

FIG. 2 is a cross-sectional view illustrating a use state of the present invention.

FIG. 3 is an explanatory diagram (part 1) illustrating the configuration of a side wall member.

FIG. 4 is an explanatory view (part 2) illustrating the configuration of a side wall member.

FIG. 5 is an explanatory view for explaining a use state of the present invention (part 1).
It is.

FIG. 6 is an explanatory view illustrating a use state of the present invention (part 2).
It is.

FIG. 7 is an explanatory diagram (part 3) for explaining a use state of the present invention.
It is.

FIG. 8 is an explanatory view for explaining a use state of the present invention (part 4).
It is.

FIG. 9 is an explanatory diagram (part 1) illustrating a conventional example.

FIG. 10 is an explanatory diagram (part 2) illustrating a conventional example.

FIG. 11 is an explanatory diagram (part 3) illustrating a conventional example.

FIG. 12 is an explanatory diagram (part 4) illustrating a conventional example.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Existing wiring path trough 2 Existing wiring group 3 New wiring group 4 Groove 5 Connection adapter 6 Upper fitting part 7 Lower fitting part 8 Side wall of existing wiring path trough 9 Upper end of side wall of existing wiring path trough 10 Side wall member DESCRIPTION OF SYMBOLS 11 Expansion side wall 12 Upper end part of expansion side wall 13 Connection part 20 Trough for new wiring path 21 New trough lid 22 Existing trough lid

Claims (3)

[Claims] 1. A method for expanding the volume of a substantially U-shaped existing wiring path trough buried in a predetermined location, wherein a position near an upper end of both side walls of the existing wiring path is excavated to cut the upper end. Exposing the lower part of the connecting adapter having a basic shape made of H-section steel on the upper end thereof at intervals in the longitudinal direction of the existing wiring path trough, and installing the connecting adapter. A side wall member is fitted into the upper fitting portion between adjacent connected adapters to form a new extension side wall integrated with the existing side wall, and an existing wiring path is provided at both upper ends of the extension side wall. A method for expanding the volume of a trough for an existing wiring path, wherein the trough is covered with a trough cover. 2. A method for expanding the volume of a substantially U-shaped existing wiring path trough buried in a predetermined location, wherein a position near an upper end of both sides of the existing wiring path trough is excavated to remove the upper end. At the upper end, a lower fitting portion of a connection adapter made of H-shaped steel is provided at intervals in the longitudinal direction of the existing wiring path trough,
And, the connection adapter is installed so as to cover the connection portion of the existing wiring path trough, and then the side wall member is fitted into the upper fitting portion between the installed adjacent connection adapters to be integrated with the existing side wall. A method for expanding the volume of an existing wiring path trough, comprising forming a new expansion side wall, and covering both upper ends of the expansion side wall with an existing wiring path trough lid. 3. A volume expansion device for an existing U-shaped trough having a substantially U-shape buried in a predetermined location and having an upper surface covered with a trough lid for a wiring path, wherein both sides of the trough for the existing wiring path are provided. Excavation is performed at a position near the upper end of the wall, and the upper end of both side walls exposed to the outside, and the upper end of both exposed side walls are installed at a plurality of locations at intervals in the longitudinal direction of the existing wiring path trough. Was
A fitting adapter having an H-shaped steel having a substantially inverted recessed fitting portion in which a substantially concave fitting portion upwardly covers the exposed upper end portion of each of the side walls, and an upper fitting portion between adjacent coupling adapters. A new extension side wall in which the side wall member is fitted and integrated with the existing side wall; and an existing wiring path trough lid to be placed between both upper ends of the formed new side wall. The volume expansion device for the existing wiring path trough.