JPH08151823A - Mounting structure for lighting support column - Google Patents

Abstract

PURPOSE: To facilitate storage and transportation by separately arranging a lighting support column and a base, to facilitate installation by standingly arranging the lighting support, column while inserting a sheath pipe into the base, and to prevent corrosion due to rainwater in a hole in the lighting support column by dispensing with a hole for installing the lighting support column in a concrete base. CONSTITUTION: An anchor bolt 4 in a concrete foundation 2 is passed through an anchor bolt hole 55 in a base 5, while a base main body 51 is brought into contact with a surface of the concrete foundation 2, and a nut 41 is screwed into the anchor bolt 4, and consequently, the base 5 is installed in the concrete foundation 2. A sheath pipe 52 standingly arranged in the base 5 is inserted into a base part of a lighting support column 1, while bolts 6, 7 are screwed from the side face of the lighting support column 1, and finally, the lighting support column 1 is fixed.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a lighting strut mounting structure in which a lighting strut such as a street light strut or a pseudo-wooden lighting strut having an illumination lamp mounted above the strut is mounted on a concrete foundation.

[0002]

2. Description of the Related Art A conventional mounting structure for an illumination support column is disclosed in, for example, Japanese Patent Laid-Open No. 3-21705, and a hole 200 is dug in the ground as shown in FIG. The root 101 is inserted, and this lighting support 100
Was held in an upright state, and ready-mixed concrete 300 was placed in the hole 200 to fix the root portion 101 of the lighting support column 100 with the ready-mixed concrete 300. or,
As described in Japanese Utility Model Laid-Open No. 5-67638, a concrete foundation having holes formed almost vertically from the surface is manufactured in a factory, etc., and the surface of the concrete foundation is exposed to the ground and embedded in the ground. A structure in which the base of a support is inserted into the hole of is also known.

Further, as shown in FIG. 5, a lighting strut with a base, in which a base 400 and a reinforcing rib 401 are attached to the lower surface of the lighting strut 105 in advance, is manufactured in a factory or the like, and is transported to a construction site. Then, the concrete foundation 305 in which the anchor bolt 306 is embedded is provided in advance, the base 400 attached to the lower surface of the lighting support 105 is attached to the anchor bolt 306 of the concrete foundation 305, and the nut 307 is screwed into the anchor bolt 306. There is also known a mounting structure of an illumination strut for mounting the illumination strut on the foundation concrete 305 by placing a finishing concrete 309 thereon until the reinforcing ribs 401 are hidden.

[0004]

[Problems to be Solved by the Invention]
In the mounting structure of the lighting support column described in Japanese Patent Publication No.
In order to insert the root portion 101 of the above into the hole 200, hold this lighting strut 100 in an upright state, and pour ready-mixed concrete into the root portion 101, the lighting strut 100 is not carried into the construction site. And construction cannot be done. Therefore, there is a problem that if the arrival of the lighting support column 100 at the site is delayed, the construction will be lengthened accordingly. Further, once the lighting support column 100 is fixed with the ready-mixed concrete 300 in this way, there is a problem that the lighting support column 100 cannot be removed and therefore cannot be relocated.

[0005] In the mounting structure of the illumination support column described in Japanese Utility Model Laid-Open No. 5-67638, since the illumination support column is not fixed with ready-mixed concrete, there is no problem as described above, but in the hole provided on the upper surface of the concrete foundation. There is a problem that the lighting support is easily corroded by rainwater.

In the mounting structure of the lighting support shown in FIG. 5, the base 400 and the reinforcing ribs 4 are provided on the lower surface of the lighting support 105 in a factory or the like.
Since 01 is attached, this base 400 occupies a space or interferes with storage and transportation. Further, if the reinforcing ribs 401 project outward, the reinforcing ribs 401 may stumble. Therefore, although the reinforcing ribs 401 are normally filled with the finishing concrete 309, it is troublesome to pour this concrete.

Therefore, an object of the present invention is to mount a lighting strut on which a base is not attached at the bottom surface at a factory or the like, and which is easily and firmly mounted on a concrete foundation having no holes for rainwater on the top surface. Is to provide the structure.

[0008]

DISCLOSURE OF THE INVENTION The present invention has been made in order to achieve the above object, and is a lighting strut having a base mounted on a concrete foundation and a lighting strut mounted on the base. The lighting strut is cylindrical, and the concrete foundation has one end of a conduit open on the surface, and a plurality of anchor bolts are projected on the surface around the conduit to form an electric wire. The pipe and the anchor bolt are embedded, and the base is composed of a plate-shaped base body and a cylindrical sheath pipe, and the base body is located at a position opposite to the opening of the conduit of the concrete foundation and the protruding position of the anchor bolt. , A conduit tube hole and an anchor bolt hole are provided respectively, and the sheath tube is provided on the surface of the base body between the conduit tube hole and the anchor bolt hole so as to project upward, The anchor bolt of the foundation is passed through the anchor bolt hole of the base so that the base body is brought into contact with the surface of the concrete foundation, and the base is mounted on the concrete foundation with the nut screwed into the anchor bolt. The tube is inserted into the base of the lighting column, the lighting column is fixed to the base with bolts that are screwed into the sheath tube from the side of the lighting column, and the lighting column is mounted on the concrete foundation. is there.

In the present invention, since the sheath tube of the base is inserted into the root of the lighting support, the lighting support is prevented from falling. If the strength of the sheath tube is insufficient, the lighting column may fall down. When the strength of the sheath pipe is insufficient as described above, a reinforcing rib may be provided in the sheath pipe. In addition, a sheath tube is inserted into the lighting column,
In order to easily support the lighting support column so as not to fall down, it is preferable that the size of the sheath tube is made slightly smaller than the inner diameter of the base of the lighting support column so as to be in close contact with the inner surface of the illumination support column as much as possible.

Further, the sheath pipe is provided so as to project upward on the surface of the base body between the electric wire pipe hole and the anchor bolt hole. This sheath pipe is provided between the electric wire pipe hole and the anchor bolt hole. You can go anywhere. For example, it may be provided in contact with the outer peripheral edge of the conduit tube hole. Further, in the present invention,
Although one end of the conduit is opened on the surface of the concrete foundation, this means that the end of the conduit may be opened without protruding from the surface of the concrete foundation. Furthermore, the conduit may be opened above the concrete foundation in a state of protruding long.

[0011]

The operation will be described with reference to one construction method for the mounting structure of the illumination strut of the present invention. One end of a conduit is opened on the surface, a plurality of anchor bolts are held around the conduit in a state of protruding from the surface, and fresh concrete is cast around this to provide a basic concrete. On the other hand, provide a conduit hole and anchor bolt hole in the base body,
A cylindrical sheath pipe is attached to the surface between the conduit hole and the anchor bolt hole to manufacture the base. At this time, the positions of the conduit hole and the anchor bolt hole are provided at positions facing the opening of the conduit tube of the concrete foundation and the protruding position of the anchor bolt. Further, an illumination lamp fixture is attached to the tubular illumination pillar body to manufacture the illumination pillar.

The lighting column and the base are transported to the construction site. In this way, since the lighting support column and the base are separate, they are easy to store and transport without taking up space. At the construction site, the anchor bolt of the concrete foundation is inserted into the anchor bolt hole of the base, and the base is brought into contact with the surface of the concrete foundation. After that, the nut is screwed in from above and the base is attached to the concrete foundation.

Then, in the base of the present invention, the conduit tube hole and the anchor bolt hole are provided at the position where the opening of the conduit tube of the concrete foundation and the protruding position of the anchor bolt face each other. When the anchor bolt is passed through the anchor bolt hole, the conduit opening and the conduit hole are aligned. After that, if a nut is screwed into the anchor bolt, the base can be firmly attached to the concrete foundation with the nut.

Next, the lighting column is erected on the base while the sheath tube projecting above the base is put in the base of the lighting column. In the present invention, since the cylindrical sheath pipe projecting upward is provided on the surface between the conduit pipe hole and the anchor bolt hole, the lighting support column can be erected while easily inserting the base sheath pipe. be able to. Next, a bolt is screwed into the sheath tube inserted into the root of the illumination support column from the outside of the illumination support column to fix the illumination support column.

When the lighting column is erected in this way, the sheath tube is inserted into the root of the lighting column, so that the lighting column can be firmly attached to the base without falling down. As such, there is no need to provide ribs on the outside of the base. Therefore, it is not necessary to pour finished concrete. Next, an illumination lamp is attached to the illumination fixture, or a conducting wire is connected from the conduit of the concrete foundation to the illumination lamp through the illumination column. In the present invention,
Since the opening of the conduit of the concrete foundation and the hole of the conduit of the base are aligned with each other, the electric wire can be connected from the conduit to the lighting lamp through the inside of the column.

[0016]

Next, embodiments of the present invention will be described. 1 to 3 show an embodiment of the present invention, FIG. 1 shows a mounting structure of an illumination column, (a) is a partially cutaway front view, (b) is a plan view, and (c) is A. 2 is an enlarged cross-sectional view taken along line A, FIG. 2 shows a base, (a) is a front view, (b) is a plan view, FIG. 3 is a root part of an illumination support column, (a) is a front view, (b). Is a plan view and (c) is a cross-sectional view taken along the line BB.

In FIGS. 1 to 3, reference numeral 1 denotes a lighting column composed of a metallic cylindrical pseudo-tree lighting column, and a synthetic resin layer having a pattern resembling a tree is provided on the surface of the illumination column 1. ing. An illumination lamp (not shown) is attached above the illumination support column 1, and three lower portions of the side surface of the illumination support column 1, as shown in FIG. A hole 11 and one fixing bolt hole 12 are provided.

Reference numeral 2 denotes a concrete foundation, and a conduit tube 3 is embedded in the concrete foundation 2, and both ends of the conduit tube 3 are open to a substantially central upper surface and a side surface (not shown). An anchor bolt 4 having a threaded portion protruding from the concrete foundation 2 is embedded in the upper surface of the concrete foundation 2 so as to surround the electric conduit 3.

Reference numeral 5 denotes a base, which is shown in FIG.
As shown in FIG. 2, a plate-shaped base body 51 and a tubular sheath tube 5 are provided.
2 and a reinforcing plate 53. In the base main body 51, there is a conduit hole 54 in a substantially central portion, and four holes are provided around the conduit hole 54.
Anchor bolt holes 55 are provided. The conduit tube hole 54 and the anchor bolt hole 55 are provided at positions facing the opening of the conduit tube 3 of the concrete foundation 2 and the protruding position of the anchor bolt 4 when the base body 51 is brought into contact with the concrete foundation 2.

The sheath tube 52 has a tubular shape whose outer diameter is slightly smaller than the inner diameter of the lighting column 1, and is welded to the peripheral edge of the conduit tube hole 54. Further, the reinforcing plate 53 is welded to the inner surfaces of both sides of the sheath pipe 52 so as to straddle substantially the center of the conduit pipe hole 54. On the side surface of the sheath tube 52, a fixing screw hole 58 is provided at a position facing the fixing bolt hole 12 when the illumination strut 1 is inserted.
Is provided, and a recess 59 is provided at a position facing the screw hole 11. Reference numeral 6 is a holding bolt, and 7 is a fixing bolt.

Next, a method of constructing the illumination support column 1 will be described.
Digging a hole in the ground, laying split chestnuts on the lower surface, providing waste concrete, assembling the formwork on this waste concrete, and installing the electric wire tube 3 on the surface and four anchor bolts 4 around the electric wire tube 3. The base concrete 2 is provided by projecting it from the surface and holding the lower end of the conduit tube 3 in a state of being pulled out from the side surface, and pouring fresh concrete into this formwork.

On the other hand, the base 5 and the lighting column 1 are manufactured at the factory. The base 5 is manufactured by forming a conduit hole 54 and an anchor bolt hole 55 in the base body 51, projecting the cylindrical sheath tube 52 upward from the surface of the peripheral edge of the conduit 54, and welding the joint portion. . Further, the illumination strut 1 is manufactured by attaching an illumination lamp fitting or the like to a cylindrical illumination strut body. The lighting column 1 and the base 5 are transported to the construction site. In this way, since the lighting support column 1 and the base 5 are separate from each other, they can be stored and transported easily in a small space.

At the construction site, the anchor bolt 4 of the concrete foundation 2 is inserted into the anchor bolt hole 55 of the base 5, and the base 5 is brought into contact with the surface of the concrete foundation 2. Then, the nut 41 is screwed in from above, and the base 5 is attached to the concrete foundation 2.

Then, since the conduit 5 and the anchor bolt hole 55 are provided in the base 5 at positions facing the conduit tube 3 and the anchor bolt 4 of the concrete foundation 2, respectively, the anchor of the concrete foundation 2 is anchored. Bolt 4
Is inserted into the anchor bolt hole 55, the conduit 3 of the concrete foundation 2 penetrates the conduit hole 54 of the base 5 to bring the base 5 into contact with the upper surface of the anchor bolt 4. After that, when the nut 41 is screwed into the anchor bolt 4, the base 5 can be firmly attached onto the concrete foundation 2.

Next, while putting the sheath tube 52 projecting above the base 5 at the base of the illumination support column 1, the illumination support column 1
Is erected on the base 5. Then, since the cylindrical sheath pipe 52 is erected on the periphery of the conduit hole 54, the base 5
The lighting support column 1 can be easily erected by inserting the sheath tube 52 of. Next, the fixing bolt 7 is passed through the fixing bolt hole 12 from the outside of the lighting support column 1 and the fixing screw hole 5
8 and the pressing bolt 6 is screwed into the screw hole 11, and the tip of the pressing bolt 6 is pressed against the recess 59 of the sheath tube to fix the illumination support column 1.

When the lighting column 1 is erected in this way,
Since the sheath tube 52 is inserted into the root portion of the illumination strut 1, the illumination strut 1 does not fall down, and the fixing bolt 15 is screwed into the fixing bolt hole 12 of the illumination strut 1, so that it does not come off. Since the lighting support column 1 is pushed by the holding bolts 6, it can be firmly attached to the base so that it does not move. Therefore, unlike the conventional case, it is not necessary to provide ribs on the outside of the base, and finishing concrete is poured. You don't have to.

Since the sheath pipe 52 is provided with the reinforcing plate 53, the sheath pipe 52 is not crushed or damaged. Next, attach lighting to the lighting fixture,
A conductor is connected from a conduit 3 of a concrete foundation 2 to an illuminating lamp through the illuminating support 1. Finally, when the soil is backfilled around the concrete foundation 2, the construction of the lighting support is completed.

[0028]

According to the mounting structure of the lighting strut of the present invention, since the lighting strut and the base are separate from each other, they can be stored and transported easily without taking up space. Also, since the base has a conduit hole and an anchor bolt hole at a position facing the opening of the concrete foundation conduit and the protruding position of the anchor bolt, respectively, the anchor bolt of the concrete foundation is fixed to the anchor bolt hole. And the conduit hole is aligned with the conduit hole. Therefore, the electric wire can be passed through the lighting column from the concrete foundation, and the bolt can be screwed into the anchor bolt hole to attach the base to the concrete foundation.

In the present invention, since the cylindrical sheath tube protruding upward is provided on the surface between the wire tube hole and the anchor bolt hole, the lighting support can be easily set up while inserting the base sheath tube. Can be installed. As described above, the installation structure of the lighting strut of the present invention is extremely simple to construct. or,
In this way, since the sheath tube is inserted into the base of the lighting column, the lighting column can be firmly attached to the base without falling down, and therefore, ribs are provided on the outside of the base as in the conventional case. No need. For this reason, it is not necessary to place the finishing concrete, which saves time.

Further, since the concrete foundation is not provided with a hole for standing the lighting support, rainwater does not enter the hole and corrode the lighting support. In addition, by removing the bolts that are screwed into the sheath pipe from the lighting column and removing the nuts that are screwed into the anchor bolts of the concrete foundation, you can remove the lighting column and the base from the concrete foundation, so that you can place it elsewhere. Is convenient because it can be easily relocated.

[Brief description of drawings]

FIG. 1 is a view showing an embodiment of the present invention, showing a main part of a structure for mounting a lighting strut, (a) a partially cutaway front view,
(B) is a plan view and (C) is an enlarged cross-sectional view taken along the line AA.

FIG. 2 shows a base, (a) is a front view, and (b) is a plan view.

FIG. 3 shows a root portion of a lighting column, (a) is a front view,
(B) is a plan view and (C) is a cross-sectional view taken along the line BB.

FIG. 4 is a partially cutaway front view showing a main part of an example of a conventional lighting strut mounting structure.

FIG. 5 is a partially cutaway front view showing a main part of another example of a conventional lighting strut mounting structure.

[Explanation of symbols]

 1 Lighting support 2 Concrete foundation 3 Conduit tube 4 Anchor bolt 5 Base 51 Base body 52 Saya tube 54 Conduit tube hole 55 Anchor bolt hole

Claims (1)

[Claims] 1. A mounting structure for a lighting strut in which a base is mounted on a concrete foundation, and a lighting strut is mounted on the base, wherein the lighting strut is tubular, and the concrete foundation is , One end of the conduit is opened on the surface, and a plurality of anchor bolts are projected on the surface around the conduit to embed the conduit and the anchor bolt, and the base is a plate-shaped base body and a cylindrical sheath. This base body is provided with a conduit tube hole and an anchor bolt hole at a position facing the opening of the conduit tube of the concrete foundation and the protruding position of the anchor bolt, respectively, and the sheath tube is the conduit tube. Projected upward on the surface of the base body between the hole and the anchor bolt hole, the anchor bolt of the concrete foundation is passed through the anchor bolt hole of the base and concrete The base body is brought into contact with the surface of the base, the base is mounted on the concrete foundation with the nut screwed into this anchor bolt, and the sheath tube of the base is inserted into the base of the lighting support column to provide lighting. A lighting strut mounting structure, characterized in that the lighting strut is fixed to a base by a bolt screwed into the sheath pipe from the side of the strut, and the lighting strut is mounted on a concrete foundation.