KR20120001398U - Between Street Lamp Prop in Concrete Base - Google Patents

Abstract

The present invention relates to a foundation structure for a street lamp.
The present design installs a branch pipe with an upper connection pipe, a conduit and a drain pipe inside, and connects the ground copper plate to the drain pipe of the branch pipe by connecting a ground copper plate to the lower part, so that no additional grounding work is required. In addition, since the four conduits of the branch pipe are formed in the rectangular trapezoidal shape, the wires can be inserted in various directions, thereby improving workability.

Description

Foundation Structure for Street Lamps {Between Street Lamp Prop in Concrete Base}

The present invention relates to a foundation structure for a street lamp, and in particular, the branch pipe consisting of an upper connection pipe, a conduit and a drain pipe integrated therein, and connected to the drain pipe of the branch pipe by connecting a ground copper plate to the bottom to separate ground. No construction is required, and the grounding copper plate improves the grounding ability so that the street lamps can be easily installed.

In general, most of the lower part of the street lamp foundation structure is buried underground, and only a part of the upper part protrudes from the ground to firmly install the street lamp.

The streetlight base structure is manufactured in a trapezoidal shape with a narrow upper portion and a wide lower portion. In addition, the streetlight base structure is branched from the anchor bolt for fixing the street lamp to the nut and the underground transmission line, and the ground wire to flow the conduit and the lightning that falls to the street lamp to guide the wires that supply power to the street lamp. A ground conduit for guiding the lamp to the main street of the street lamp is provided.

However, the conventional streetlight foundation structure as described above has a problem in that the grounding resistance exceeding the grounding resistance is greater than that of the ground, but a separate grounding work may serve as a groundlight grounding hole foundation.

In order to solve this problem, the Republic of Korea Patent Publication No. 10-2005-0015899 (name of the invention: street lamp base) has a built-in storage box in the interior of the street lamp base, the electric wire is stored in the storage box, city gas pipeline construction, water and sewage construction The cable connecting the street lamp to the street lamp is pulled off or cut off due to a fork-lane, etc. during other construction such as underground cable work or landscaping work, or the wire is peeled off to prevent short-circuit or short-circuit. In addition, the grounding wire was connected between the ground copper plate and the computer bolt to improve the grounding ability.

In addition, Korean Utility Model Registration No. 20-420012 (name of the draft: formwork for streetlight foundation concrete) discloses a streetlight foundation having three conduits on its side.

However, the ground copper plate conventionally used in the mountain area, rock area, etc. may cause the ground resistance to exceed the reference value, so the ground resistance needs to be within the reference value. In the construction site, there were four need for the street lamp foundations so that four wires were formed rather than two or three side conduits. In addition, in the process of manufacturing the foundation due to the rectangular storage box, the concrete is not dense, a problem that the strength is lowered.

The present invention is devised to solve such a conventional problem, the present invention is to install a branch pipe consisting of an upper connecting pipe, a conduit and a drain pipe integrally therein, by connecting the ground copper plate to the bottom by connecting the branch pipe There is no need for a separate grounding work, and its purpose is to provide a base structure for a street lamp configured to improve the grounding ability by the ground copper plate.

The problem solving means of the present invention is a computer bolt is embedded in the upper part of the lamppost is fastened and fixed, the trapezoidal concrete structure for the street lamp is made of a concrete structure, the wire is introduced into the base structure, for the grounding function A branch pipe is installed, and the branch pipe includes an upper connection pipe protruding to an upper portion of the foundation structure; A drain pipe connected in communication with the upper connection pipe and in close contact with a ground copper plate fastened and fixed to a lower portion of the drain pipe; It is characterized by consisting of a plurality of conduit inclined between the upper connection pipe and the drain pipe, connected in communication.

The base structure for the street lamp of the present invention is a base structure embedded underground by installing a branch pipe integrally formed with an upper connecting pipe, a conduit and a drain pipe therein, and connecting a ground copper plate at the bottom to closely contact the drain pipe of the branch pipe. Not only does not require additional grounding work, but also has excellent workability, and the grounding copper plate improves the grounding ability. In addition, four branch conduits are provided on the basic structure made of square trapezoidal shape in various directions. Wires can be plugged in to improve workability.

1 is an exploded perspective view of a base structure for a street lamp according to the present invention;
Figure 2 is an enlarged cross-sectional configuration of the main portion of FIG.
Figure 3 is a perspective view of the branch pipe of the base structure for streetlight according to the present invention.
Figure 4 is a cross-sectional view showing another embodiment of the foundation structure for a street lamp according to the present invention.

Hereinafter, with reference to the accompanying drawings will be described specific details for carrying out the invention.

In the accompanying drawings, Figure 1 is an exploded perspective view of the base structure for the street lamp according to the present invention, Figure 2 is an enlarged cross-sectional configuration of the main portion of Figure 1, Figure 3 is a perspective view of a branch pipe of the base structure for street light according to the present invention to be.

As shown in Figures 1 to 3, the base structure 10 for street lamps according to the present invention is produced as a concrete structure by maintaining a trapezoidal shape, a plurality of computer bolts 12 are buried in the upper street lamp pole 20 ) Is fastened and fixed.

On the other hand, the branch structure 30 is installed inside the base structure 10, the wire (2) is inserted, and the ground function.

The branch pipe 30 has an upper connection pipe 32 protruding to the upper portion of the foundation structure 10; A drain pipe 34 connected to the upper connection pipe 32 so as to correspond to the bottom surface; It is composed of a plurality of conduit 36 inclined between the upper connecting pipe 32 and the drain pipe 34 and connected in communication.

The branch pipe 30 is made of metal, such as iron plate, stainless steel, and is made of a type that gradually increases in diameter from the upper connecting pipe 32 to the drain pipe 34 to reinforce the strength.

In addition, the conduit 36 is inclined between the upper connecting pipe 32 and the drain pipe 34 in communication with each other is arranged on each side of the base structure 10 consisting of a tetrahedron, through which the wire 2 is introduced Are connected to the lamppost (20). At this time, the conduit 36 has a larger diameter at the connecting portion between the upper connecting pipe 32 and the drain pipe 34, the smaller the diameter toward the protruding portion of the base structure 10.

In addition, the drain pipe 34 is in close contact with the ground copper plate 40 fastened and fixed by the anchor bolt 41 to the lower portion of the base structure 10, and serves as a grounding function, so that the grounding ability is excellent without a separate grounding work. In the central region of the ground copper plate 40, a drain hole 40a is formed therethrough.

On the other hand, Figure 4 is a cross-sectional configuration diagram showing another embodiment of the foundation structure for the street lamp according to the present invention, which is provided with the ground plate 50 in communication with the bottom of the drain pipe 34 constituting the branch pipe 30 Thus, the ground copper plate 40 is in contact with the surface to improve the ground force. At this time, the ground plate 50 is made of the same material as the drain pipe 34 is fixed by welding or the like.

In addition, the conduit 36 is to protect the wire by inserting a protective plug 52 made of a rubber material or synthetic resin formed with a wire insertion hole 52a to prevent the flow of the wire 2 is inserted from the outside to the inside.

Looking at the manufacturing method for the basic structure for the street lamp according to the present invention configured as described above, inside the mold frame of the trapezoidal shape, four wire bolts 12 of long length and the upper connection pipe made of metal such as iron plate and stainless steel (32) ), The drain pipe 34 and the conduit pipe 36 is put into the branch pipe 30 made integrally, and then poured concrete to produce.

When the curing of the concrete is completed in this way, the trapezoidal shape is maintained, the upper wire bolt 12 is provided, the base structure 10 in the state in which the branch pipe 30 is inserted is completed.

In such a state, when the ground copper plate 40 made of copper plate is fastened with the anchor bolts 41 in the state, the ground copper plate 40 and the drain pipe 34 of the branch pipe 30 are in close contact with each other. Even if the grounding work is not performed, the grounding function is improved and the grounding ability is improved.

Subsequently, the foundation structure 10 is embedded and fixed, and the street lamp post 20 is fastened and fixed through the upper computer bolt 12, and the wire is maintained through the conduit 36 of the branch pipe 30. When connected to the street lamp, the installation of the street lamp is completed.

At this time, the conduit 36 is arranged on the four sides of the base substrate 10 to facilitate the insertion of the wire (2) in the field.

On the other hand, as shown in Figure 4 is provided with a ground plate 50 in communication with the lower end of the drain pipe 34 constituting the branch pipe 30 is in contact with the ground copper plate 40 to improve the grounding force.

In addition, the conduit 36 is inserted into the protective plug 52 of a rubber material or synthetic resin formed with a wire insertion hole 52a to prevent the flow of the wire 2 is inserted from the outside to the inside to prevent the flow to the wire To protect the wires. That is, the electric wire is inserted into the wire insertion hole 52a of the protective plug 52, and then the protective plug 52 is inserted from the outside of the conduit 36 to protect the electric wire.

2: wire 10: foundation structure
12: computer bolt 30: branch pipe
32: upper connection pipe 34: drain pipe
36: conduit tube 40: ground copper
50: ground plate 52: protective cap
52a: wire insertion hole

Claims (5)

In the computer bolt 12 is embedded in the upper portion of the street lamp pole 20 is fastened and fixed, the base structure for the street lamp is made of a concrete structure trapezoidal shape,
The wire 2 is introduced into the base structure 10, and install a branch pipe 30 for the grounding function,
The branch pipe 30 has an upper connection pipe 32 protruding to the upper portion of the foundation structure 10;
A drain pipe 34 connected in communication with the upper connection pipe 32 and in close contact with a ground copper plate 40 fastened and fixed to a lower portion of the ground pipe;
Sloped between the upper connecting pipe 32 and the drain pipe 34, the foundation structure for a street lamp, characterized in that consisting of a plurality of conduit (36) connected in communication. According to claim 1, wherein the branch pipe (30)
It is formed to gradually increase in diameter from the upper connecting pipe 32 to the drain pipe 34 to reinforce the strength of the concrete structure, and at the same time the bottom structure is characterized in that the ground plate is grounded with the upper part of the ground copper plate 40 . According to claim 1, wherein the conduit (36) is inclined between the upper connection pipe 32 and the drain pipe 34 in communication with each other, the diameter is formed to become smaller toward the outside, each side of the foundation structure 10 A base structure for a street light, characterized in that arranged in. The foundation structure for a street lamp according to claim 1, wherein the drain pipe (34) is provided with a ground plate (50) at a lower end thereof in contact with the ground copper plate (40). According to claim 1 or claim 3, The conduit 36 is characterized in that the rubber plug 52 is formed with a wire insertion hole 52a is formed to prevent the flow of the wire 2 is inserted from the outside to the inside Foundation structures for street lamps.

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