KR102018483B1 - Protecion Plate for Underground Cable - Google Patents

Abstract

The present invention relates to a protection plate for an underground cable which comprises: a rectangular plate (10) made of a plastic resin to cover an upper side of an underground cable buried on the ground; a plurality of first coupling terminals (20) formed with a regular interval on one side of the plate (10); and a second coupling terminal (30) formed with a regular interval on the other side of the plate (10) and having a shape of being coupled to or separated from the first coupling terminals (20).

Description

Protecion Plate for Underground Cable

The present invention relates to a protective plate covering the upper surface of the underground cable embedded in the ground, and more particularly to an underground cable protective plate that can prevent the underground cable from being damaged by the external force generated during the underground construction process.

With the acceleration of modern industrialization and informatization, power consumption and information communication are increasing rapidly, and power supply or information signal transmission is connected by cable with embedded wires between power generation and consumption sites which are separated from each other, or between information provider and consumer. It is done. These cables are installed in such a way as to form or route hollow holes in the ground for various reasons, such as the beauty of the city.

On the other hand, once the underground cable has been buried for a long time unless there is a special situation, it is inevitable that underground cables will be repaired and expanded, the paving of roads, and other facilities such as gas and water pipes. Can not help re-excavation. At this time, the underground cable may be damaged due to inadvertent drilling, and the underground cable is buried together with the cover plate covered on the upper portion thereof.

The conventional underground cable protective plate has a plate shape as disclosed in Patent Registration No. 10-1653403, and has ribs protruding from the surface to protect the underground cable by external force applied from the excavating equipment. Each of these protective plates is formed in the form holding hole, each of the shape holding hole is inserted into the fastening member, a number of protective plates are connected to each other, the state buried in the ground can be stably maintained.

However, since underground cable shields have to be buried along the underground cables, dozens to hundreds of units were required depending on the work area.In order to connect each shield, hundreds of fastening members were required to be inserted into the shape retainer one by one. And effort was required.

In addition, the fastening member has a problem in that the connection state of the plurality of protection plates is released by easily falling off when an external force is applied because the shape is simply inserted into the shape holding hole.

The present invention was created in order to solve the above problems, it is possible to connect the protective plate without using a separate fastening member, underground cable that can prevent the connection state is released when unintentional external force is applied It is an object to provide a protective plate.

In order to achieve the above object, one embodiment of the underground cable protective plate according to the present invention is a plastic plate of a rectangular plate (10) covering the upper side of the underground cable embedded in the ground; A plurality of first fastening ends 20 formed at regular intervals on one side of the plate 10; A second fastening end 30 formed on the other side of the plate 10 at regular intervals, the second fastening end 30 having a form of being coupled to or separated from the first fastening end 20; And an information providing unit (40) for providing information related to the underground cable embedded at the bottom as being selectively detached from the upper surface of the plate (10); The information providing unit 40 includes a plate groove 41 formed on an upper surface of the plate 10, a transparent panel 42 fitted into the plate groove 41, and a rear surface of the transparent panel 42. An information sheet 43 in which information is described as being attached to the sheet, a fitting groove 44 formed on the inner circumferential side of the plate groove 41, and a fitting groove formed on the outer circumferential side of the transparent panel 42. 44) characterized in that it comprises a fitting projection 45 selectively fitted.
In order to achieve the above object, another embodiment of the underground cable protective plate according to the present invention is a plastic plate of a rectangular plate (10) covering the upper side of the underground cable embedded in the ground; A plurality of first fastening ends 20 formed at regular intervals on one side of the plate 10; And a second fastening end (30) formed on the other side of the plate (10) at regular intervals, the second fastening end (30) having a form of being coupled to or separated from the first fastening end (20); The first fastening end 20, the first fastening body 21 formed to protrude at a predetermined interval on one side of the plate 10 and in a direction perpendicular to the end of each of the first fastening body 21 A stepped protrusion 22 is formed; The second fastening end 30 is formed on the second fastening body 31 and the second fastening body 31 formed to protrude at regular intervals on the other side of the plate 10 and the protrusions ( A projection hole 32 in the form of being pinched 22; The first fastening ends 20 and the second fastening ends 30 are alternately formed with respect to an imaginary horizontal line crossing the plate 10; A first gap D1 between each of the first fastening ends 20 and a second gap D2 between each of the second fastening ends 30 are the same; The height H of the first fastening end 20 is smaller than the second interval D2 between the second fastening ends 30.

delete

delete

delete

delete

delete

delete

In the present invention, as being embedded in the plate 10, the metal wire further comprises a reinforcing sheet 50 of the mesh shape implemented by weaving.

According to the present invention, the first and second fastening ends can connect a plurality of plates in a state covering the underground cable, the plates can be separated as necessary, and the force applied from the outside by making the connection state of the plates firm This prevents the plate from being separated or twisted.

In addition, the reinforcement sheet embedded in the plate can be prevented from being damaged during the excavation work by improving the durability of the protection plate itself, thereby preventing the underground cable from being damaged. It is possible to prevent the electromagnetic wave emitted from the underground cable or propagated to the outside to the outside.

And, by the information providing unit, it is possible to easily replace the information sheet, such as the information on the excavation work, the date, or expanded or reduced underground cable information, if necessary, the information described in the information sheet 43 Even after this will not be erased, the effect is effective.

1 is a perspective view of a underground cable protective plate according to the present invention,
2 is a front view of the protective plate of FIG.
3 is a cross-sectional view of the protective plate of FIG.
4 is a view for explaining the operation of the first and second fastening ends for connecting the protective plate of Figure 1 with another protective plate,
5 is a view for explaining that the protective plate and the other protective plate is connected by the first and second fastening of FIG.
6 is a view for explaining that the protective plate of Figure 5 is connected long.
7 is a view for explaining the configuration of the information providing unit of FIG.
8 is a view for explaining that the information providing unit of FIG. 7 is coupled to a protective plate;

Hereinafter, the underground cable protective plate according to the present invention will be described in detail with reference to the accompanying drawings.

Hereinafter, what is described as "upper" or "upper" may include not only directly over and in contact but also overlying. Terms such as first and second may be used to describe various components, but the components should not be limited by the terms. The terms are only used to distinguish one component from another. Singular expressions include plural expressions unless the context clearly indicates otherwise. In addition, when a part is said to "include" a certain component, which means that it may further include other components, except to exclude other components unless otherwise stated. In addition, the terms "...", "module", etc. described in the specification mean a unit that processes at least one function or operation. In addition, in the drawings, components may be exaggerated or reduced in size for convenience of description. For example, the size and thickness of each component shown in the drawings are arbitrarily shown for convenience of description, and thus the present invention is not necessarily limited to the illustrated.

1 is a perspective view of the underground cable protective plate according to the present invention, Figure 2 is a front view of the protective plate of Figure 1, Figure 3 is a cross-sectional view of the protective plate of FIG.

Underground cable protection plate 100 according to the present invention, covering the upper side of the underground cable for transmission and distribution embedded in the basement, to prevent damage by external force when the excavation work in progress around.

The underground cable protective plate 100, the plastic plate of the rectangular plate (10) covering the upper side of the underground cable embedded in the ground; A plurality of first fastening ends 20 formed at regular intervals on one side of the plate 10; A second fastening end 30 formed on the other side of the plate 10 at regular intervals, the second fastening end 30 having a form of being coupled to or separated from the first fastening end 20; An information providing unit 40 which is selectively attached to and detached from an upper surface of the plate 10 and provides information related to power or communication transmitted from an underground cable embedded in a lower part of the plate 10; Reinforcing sheet 50, which is embedded in the plate 10 is implemented by weaving metal fibers; It is installed on the edge of the plate 10 a plurality of fixing pins 60 for fixing the position so that the plate 10 is in close contact with the ground; characterized in that it comprises a.

The plate 10 has a size of 1000 mm x 1000 mm wide, or 1000 mm x 700 mm long, or 1000 mm x 500 mm wide, and is formed by molding recycled plastic.

The plate 10 is coated with a yellow recognition film 11 having a meaning of caution warning while being well recognized by the eye. Recognition film 11 should be at least 8 or 8.5 saturation of Korean standard color sampler (5Y) and should have a saturation level of 12 or higher, and a phrase for recognizing that underground cable is buried under plate 10, for example, "dangerous high voltage cable." "And" Contact "content is printed and the text is displayed in red.

In the plate 10, eight drain holes 12 are formed in the upper portion to prevent the water from sticking. The drainage hole 12 prevents water from accumulating on the upper part of the plate 10, and the lower surface of the plate 10 is in the same condition as the side surface, thereby preventing partial subsidence.

In addition, a plurality of irregularities (not shown) may be formed on the rear surface of the plate 10 to generate friction with the ground. By forming such irregularities, it is possible to prevent the sliding to one side during the operation.

The reinforcement sheet 50 is embedded in the plate 10 and is made of a material having a greater strength than the plate 10. The reinforcing sheet 50 is made of a metal wire is woven, the mesh is formed with many holes.

The reinforcement sheet 50 is insert-molded in the plate 10, thereby increasing the strength of the plate 10, thereby forming a protective plate 100 having sufficient strength even if the plate 10 is molded from recycled plastic. Can be implemented. In addition, the reinforcing sheet 50 prevents external electromagnetic waves from propagating to the underground cable, or conversely, electromagnetic waves generated from the underground cable are emitted to the outside.

The plate 10 in which the reinforcing sheet 50 is embedded has a tensile strength of 180 kgf / cm 2 or more, a hardness of HDD 55 or more, and an impact test (IZOD) of 11 KJ / m 2 or more. The plate 10 has a length of 1000 mm x 1000 mm wide, or 1000 mm x 700 mm wide, or 1000 mm x 500 mm wide.

Fixing pin 60 is to prevent the movement by keeping the plate 10 in close contact with the ground, for this purpose has a sufficient length of 15mm or more. The fixing pin 60 is made of PP or HDPE resin material.

4 is a view for explaining the operation of the first and second fastening end for connecting the protective plate of FIG. 1 with another protective plate, Figure 5 is that the protective plate and the other protective plate is connected by the first and second fastening end of FIG. FIG. 6 is a view for explaining that the protective plate of FIG. 5 is long.

The plate 10 is connected to or separated from the other plate 10 '. To enable this, one side and the other side of the plate 10 have a plurality of first fastening 20 and second fastening 30, the present In the embodiment, four first and second fastening ends 20 and 30 are formed.

The first fastening end 20 has a first fastening body 21 formed to protrude at a predetermined interval on one side of the plate 10 and a protrusion formed at a right angle step at each end of the first fastening body 21. (22). At this time, the end of the projection 22 is formed with an inclined end 22a that narrows toward the end so that it can be guided to the inlet of the projection hole 32 to be described later.

The second fastening end 30 is formed on the second fastening body 31 and the second fastening body 31 formed to protrude at regular intervals on the other side of the plate 10, and the protrusion 22 is formed. It includes a projection hole 32 of the sandwiched form.

Here, as shown in FIG. 2, the first fastening ends 20 and the second fastening ends 30 are alternately formed with respect to an imaginary horizontal line crossing the plate 10.

In addition, the first interval D1 between each first fastening end 20 and the second interval D2 between each second fastening end 30 are the same, and the height of the first fastening end 20 is equal. (H) is smaller than the second interval D2 between the second fastening ends 30. Accordingly, as shown in FIG. 4, when the plate 10 and the other plate 10 ′ are to be connected, the first fastening end 20 has a second gap D2 between the second fastening ends 30. It is possible to move in and out between).

The protrusion 22 of the first fastening end 20 and the protrusion hole 32 of the second fastening end 30 have a larger width than the vertical width, so that the protrusion 22 and the protrusion hole 32 are flat. It may be implemented in the form. Accordingly, although the thickness of the plate 10 is thin, the first fastening end 20 and the second fastening end 30 can be formed relatively large. Accordingly, the first and second fastening ends 20 and 30 are thus formed. ) May be fastened to the plate and the other plate with a large fastening force.

As such, since the first and second fastening ends 20 and 30 are formed on both sides of the plate 10, it is possible to connect several plates 10 without using a separate fastening member. That is, as shown in FIGS. 5 and 6, the first and second fastening ends 20 and 30 formed on the plate 10 and the first and second fastening ends 20 'formed on the other plate 10'. By sequentially connecting to 30 ', as shown in FIG. 6, it can be connected continuously along the underground cable.

In addition, when an unintentional external force is applied because the fastening direction of the first and second fastening ends 20 and 30 is perpendicular to the connection direction of the plate 10, for example, the external force due to the excavation work is performed in the vicinity. When applied, it is possible to prevent the connection state of the plurality of plates 10, 10 'to be released.

In the present invention, the first and second fastening ends 20 and 30 are illustrated as four pairs, but this is for explanation, and the first and second fastening ends 20 and 30 are actually about 10 pairs.

7 is a view for explaining the configuration of the information providing unit of Figure 1, Figure 8 is a view for explaining that the information providing unit of Figure 7 is coupled to the protective plate.

The operator who is excavating, should be provided with the information of the underground cable buried in the lower side of the plate 10, wherein the information received depends on the power or communication transmitted from the underground cable. In addition, when there are other underground facility constructions such as repair and extension of cables, pavement work of roads, gas pipes and water pipes, it is necessary to display the situation in which the construction of the plate 10 is in progress. In addition, the information provided to the plate 10 should not be erased even in high humidity and harsh environments.

Due to such a necessity, the information providing unit 40 of the present application includes a plate groove 41 formed on the upper surface of the plate 10, a transparent panel 42 fitted to the plate groove 41, and a transparent panel 42. The sheet is attached to the back of the information sheet 43, the information content is described, the fitting groove 44 formed on the inner peripheral side of the plate groove 41, and the forming groove formed on the outer peripheral side of the transparent panel 42 ( A fitting protrusion 45 selectively fitted to 44). At this time, a panel groove 42a is formed on the rear surface of the transparent panel 42 so as to be immersed from the rear surface of the transparent panel 42 to sandwich the information sheet 43.

The transparent panel 42 makes the information contents of the information sheet 43 inserted into the rear panel groove 42a visible to an external worker, and prevents the information contents of the information sheet 43 from being erased even in the harsh environment of the ground. Can be.

The transparent panel 42 may maintain the state of being firmly coupled to the plate groove 41 by the fitting groove 44 and the fitting protrusion 45. Accordingly, when the external force is applied, the transparent panel 42 is plated. Separation from the groove 41 is prevented.

According to this structure, the excavation worker separates or combines the transparent panel 42 from the plate groove 41 as necessary, and the information sheet 43 in which information such as work status or date, or expanded or reduced underground cable information is described. ) Can be easily replaced.

And since the transparent panel 42 protects the information sheet | seat 43 from a high humidity and a harsh environment, the information displayed on the sheet | seat is prevented from erasing even if time passes.

As described above, according to the present invention, the plurality of plates 10 and 10 'may be connected to each other by covering the underground cables by the first and second fastening ends 20 and 20' and 30 and 30 '. It can be separated as needed, and by firmly connecting the plate is prevented from being separated or twisted by the plate 10, 10 'by the force applied from the outside.

In addition, the reinforcing sheet 50 embedded in the plate 10, by improving the durability of the protective plate 100 itself is not damaged during the excavation work by the heavy equipment can prevent the underground cable is damaged, more Furthermore, the metal material prevents external electromagnetic waves from propagating through the underground cable or conversely, electromagnetic waves generated from the underground cable are not emitted to the outside.

And, by the information providing unit 40, if necessary, information sheet 43, such as information on the status of oyster work, dates, or expanded or reduced underground cable information can be easily replaced, and such information sheet 43 The information in) will not be erased over time.

Although the present invention has been described with reference to one embodiment shown in the drawings, this is merely exemplary, and it will be understood by those skilled in the art that various modifications and equivalent other embodiments are possible.

100 ... shield
10, 10 '... plate 11 ... recognition film
12 ... Drainage hole 20, 20 '... First connection
21 ... first fastening body 22 ... protrusion
30, 30 '... Second Fastening Unit 31 ... Second Fastening Body
32 ... projection hole 40 ... information provision department
41 ... plate groove 42 ... transparent panel
43 ... information sheet 44 ... fitted
45 ... fitting 50 ... reinforcement sheet
60 ... fixed pin

Claims (8)

A rectangular plate 10 made of a plastic resin and covering the upper side of the underground cable embedded in the ground;
A plurality of first fastening ends 20 formed at regular intervals on one side of the plate 10;
A second fastening end 30 formed on the other side of the plate 10 at regular intervals, the second fastening end 30 having a form of being coupled to or separated from the first fastening end 20; And
And an information providing unit (40) for providing information related to the underground cable embedded at the bottom of the plate (10) to be selectively detached;
The information providing unit 40 includes a plate groove 41 formed on an upper surface of the plate 10, a transparent panel 42 fitted into the plate groove 41, and a rear surface of the transparent panel 42. An information sheet 43 in which information is described as being attached to the sheet, a fitting groove 44 formed on the inner circumferential side of the plate groove 41, and a fitting groove formed on the outer circumferential side of the transparent panel 42. Underground cable shield, characterized in that it comprises a fitting projection (45) optionally fitted to 44. delete delete delete delete delete A rectangular plate 10 made of a plastic resin and covering the upper side of the underground cable embedded in the ground;
A plurality of first fastening ends 20 formed at regular intervals on one side of the plate 10; And
A second fastening end (30) formed on the other side of the plate (10) at regular intervals, the second fastening end (30) having a form coupled to or separated from the first fastening end (20);
The first fastening end 20, the first fastening body 21 formed to protrude at a predetermined interval on one side of the plate 10 and in a direction perpendicular to the end of each of the first fastening body 21 A stepped protrusion 22 is formed;
The second fastening end 30 is formed on the second fastening body 31 and the second fastening body 31 formed to protrude at regular intervals on the other side of the plate 10 and the protrusions ( A projection hole 32 in the form of being pinched 22;
The first fastening ends 20 and the second fastening ends 30 are alternately formed with respect to an imaginary horizontal line crossing the plate 10;
A first gap D1 between each of the first fastening ends 20 and a second gap D2 between each of the second fastening ends 30 are the same;
The height (H) of the first fastening end (20) is smaller than the second interval (D2) between the second fastening end (30); underground cable protective plate, characterized in that. The method according to any one of claims 1 to 7,
As built into the plate 10, underground cable protective plate, characterized in that it further comprises a reinforcing sheet (50) of the mesh shape implemented by woven metal wire.

Images