KR102198895B1 - Underground Communication Cable Protection System in Building Structures - Google Patents

Abstract

The present invention provides an underground communication cable protection device in a building structure which can prevent cable deformation or damage. The underground communication cable protection device comprises: a case buried in the ground; a manhole member installed on an upper part of the case and forming a step; a cover member mounted on the step and installed to open and close a portion of the case; a support frame accommodated in the case and partitioning an inner space of the case so that a plurality of cables installed in the case are respectively disposed in individual spaces; a cover frame closing an upper surface of the support frame and preventing the cable from being collided with the cover member; and a buffer sealing unit preventing the cable from being deformed or damaged while the cable is collided with the case due to a vibration transmitted from a ground surface since an elastic body protruding outside the support frame and the cover frame is provided by using a pressing force generated while the support frame and the cover frame are stacked as operating pressure.

Description

Underground Communication Cable Protection System in Building Structures

The present invention relates to an underground communication cable protection device inside a building structure, and more particularly, a plurality of cables installed in one space are arranged to be partitioned in different spaces to prevent interference between cables, It relates to an underground communication cable protection device inside a building structure that can prevent the cable from colliding with the inner wall of the case by the vibration transmitted from the ground, thereby preventing the cable from being deformed or damaged.

In general, the undergroundization of overhead distribution lines in Korea began in 1973 by relocating the complex facilities of distribution lines from Hyoja-dong to Gwanghwamun section to the back alleys of arterial roads in terms of electric wire maintenance, and supplying neighboring customers from columnar transformers using low-voltage cables. Since then, it has been planned and expanded as follows.

For reference, underground line construction methods can be largely divided into direct sale type, pipeline type, and electric power type, and double pipeline type uses synthetic resin pipes, steel pipes, and Hume pipes to construct pipes and then lay cables. As a method, manholes are installed at both ends of the pipe at a certain distance to install cables and connect them.

As mentioned above, pipe materials such as synthetic resin pipes, steel pipes, and Hume pipes were mainly used as pipes used in the pipe construction, but these pipes have been manufactured in a very simple form so far, so that various problems have been accompanied in actual use.

In particular, when the ground on which the underground cable is installed is a soft ground, there is a problem in that the cable is bent or damaged due to irregular ground, and there is a problem that enormous maintenance costs are incurred to repair it.

In order to solve the above problems, a cable protection device for an underground line was developed, and the protection device according to the prior art forms a pipe insertion part for inserting the upper and lower surfaces of the underground cable protection tube on the upper and lower wave protection plate bent in a square wave shape, A bolt fastening hole is formed at the left and right edges of the valleys of the upper and lower wave protection plates to fasten the inner bolts that connect with the inner nut, and a conical positioning hole is formed in the center of the mountain of the upper and lower wave protection plates, and the upper and lower parts of the upper and lower wave protection plates A flange is formed at the joint portion of the upper and lower outer covers having a "U"-shaped cross-sectional shape covering the outer nut, and a through hole is formed in the flange to fasten the outer bolt that is coupled with the outer nut, and in the center of the inner surface of the upper and lower outer covers. It is constituted by forming a conical positioning protrusion that is coupled with the positioning hole.

The background technology of the present invention is disclosed in Korean Patent Publication No. 10-0720933 (announced on May 23, 2007, title of invention: cable protection device for underground lines).

The protection device according to the prior art, when a plurality of cables is installed in one space, does not have a separate technical configuration to prevent interference between cables, and a technology configuration capable of absorbing vibration transmitted from the ground is not provided. Since it is not described, if vibration is generated from the ground due to an earthquake or construction work by heavy equipment, there is a problem in that the cable and the case collide and the cable may be deformed or damaged.

Therefore, there is a need to improve this.

In the present invention, a plurality of cables installed in one space are arranged to be partitioned in different spaces to prevent interference between cables, and prevent the cables from colliding with the inner wall of the case due to vibration transmitted from the ground. Its purpose is to provide an underground communication cable protection device inside a building structure that can prevent the cable from being deformed or damaged.

The present invention, a case buried in the ground; A manhole member installed above the case and forming a stepped; A cover member mounted on the stepped to open and close a portion of the case; A support frame that is accommodated in the case and partitions the inner space of the case so that a plurality of cables installed in the case are respectively disposed in individual spaces; A cover frame closing the upper surface of the support frame and preventing the cable from colliding with the cover member; And an elastic body protruding outward from the support frame and the cover frame by using the pressing force generated when the support frame and the cover frame are stacked, so that the cable is deformed while colliding with the case by vibration transmitted from the ground. It characterized in that it comprises a buffer sealing portion that can prevent damage.

In addition, the support frame of the present invention comprises a frame body mounted on the case so as to partition the inner space of the case in a vertical direction; And a partition wall member which maintains a predetermined distance from the frame body and protrudes to partition the inner space of the case in a horizontal direction.

In addition, the buffer sealing part of the present invention is accommodated in the inner space formed along the frame body and the partition member, the tube member is expanded when the working fluid is supplied to protrude to the outside of the frame body and the partition member; A filling part provided on an upper end of the partition member or an upper surface of the cover frame, and inflating the tube member by injecting a working fluid when pressed by another frame body or cover member; A valve part for passing the working fluid supplied to the tube member when the working fluid is supplied by the operation of the filling part and preventing reverse flow of the working fluid; And a safety pin installed by restraining the filling portion to prevent malfunction of the filling portion caused by applying a pressing force to the filling portion different from the intention of the operator.

In addition, the filling part of the present invention is installed to be protruding and protruding from the upper end of the partition member or the upper surface of the cover frame, and moves downward when pressed by the support frame or the cover member seated on the partition member or the cover frame. While being a knob member for generating an operating force; A pressure vessel installed inside the knob member and in which the working fluid is compressed and stored; A switch member installed in the pressure vessel, and when pressed by the knob member, opens the pressure vessel to supply a working fluid; And a first elastic member interposed between the knob member and the switch member to provide an elastic force for maintaining the knob member protruding upward.

In the underground communication cable protection device inside a building structure according to the present invention, when a plurality of cables are accommodated, each cable is arranged in a separate space to prevent interference with each other, and is provided with a support frame, protruding from the support frame, or Since the cable is elastically supported, it is possible to prevent the vibration transmitted from the ground from being transmitted to the cable, thus preventing the cable from being deformed or damaged by the vibration transmitted from the ground during construction by earthquakes or heavy equipment. There is this.

1 is a block diagram showing an underground communication cable protection device inside a building structure according to an embodiment of the present invention.
2 is a cross-sectional view illustrating a buffer sealing part of an underground communication cable protection device inside a building structure according to an embodiment of the present invention.
3 is a cross-sectional view showing a detachable part of an underground communication cable protection system inside a building structure according to an embodiment of the present invention.
4 is a cross-sectional view showing a cover frame of an underground communication cable protection device inside a building structure according to an embodiment of the present invention.

Hereinafter, an embodiment of an apparatus for protecting an underground communication cable inside a building structure according to the present invention will be described with reference to the accompanying drawings.

In this process, thicknesses of lines or sizes of components shown in the drawings may be exaggerated for clarity and convenience of description.

In addition, terms to be described later are terms defined in consideration of functions in the present invention, and may vary according to the intention or custom of users or operators.

Therefore, definitions of these terms should be made based on the contents throughout the present specification.

1 is a block diagram showing an underground communication cable protection device inside a building structure according to an embodiment of the present invention, and FIG. 2 is a buffer sealing of the underground communication cable protection device inside a building structure according to an embodiment of the present invention. An additional cross-sectional view is shown, and FIG. 3 is a cross-sectional view showing an attaching and detaching part of an underground communication cable protection system inside a building structure according to an embodiment of the present invention, and FIG. 4 is A cross-sectional view showing a cover frame of a communication cable protection device.

1 to 4, the underground communication cable protection device inside the building structure according to an embodiment of the present invention is installed in the case 10 buried in the ground, the case 10, and forms a stepped The manhole member 12 is mounted on the stepped side and the cover member 14 is installed to open and close a part of the case 10, and a plurality of the cover members 14 are accommodated in the case 10 and are installed inside the case 10. A support frame 30 that divides the inner space of the case 10 so that the two cables are arranged in individual spaces, and a cover that closes the upper surface of the support frame 30 and prevents the cable from colliding with the cover member 14 The frame 36, the support frame 30, and the cover frame 36 are stacked and the pressing force generated by the stacking is used as a coarse pressure to provide an elastic body protruding outward from the support frame 30 and the cover frame 36, so it is transmitted from the ground It includes a buffer sealing part 50 that can prevent the cable from being deformed or damaged as it collides with the case 10 due to vibration.

Accordingly, a plurality of support frames 30 are stacked inside the case 10 buried in the ground to divide them into a plurality of spaces, and cables are accommodated in each of the divided spaces to prevent interference between cables.

In addition, in this embodiment, since the shock absorbing sealing part 50 is provided, the vibration transmitted from the ground is canceled by the shock absorbing sealing part 50 and prevents the vibration from being transmitted to the cable. It is possible to prevent the cable from being deformed or damaged due to vibration transmitted along the ground.

The support frame 30 of this embodiment is a frame body 32 that is seated on the case 10 so as to partition the inner space of the case 10 in a vertical direction, and maintains a certain distance from the frame body 32 and protrudes to the case (10) It includes a partition member 34 partitioning the inner space in the horizontal direction.

Therefore, if two frame bodies 32 having two partition members 34 are stacked inside the case 10, the space inside the case 10 can be divided into six spaces, so that the six cables interfere with each other. It can be accommodated in the case 10 so as not to be.

In addition, the upper end of the support frame 30 is seated on the cover frame 36 to close the partitioned spaces.

Since the support frame 30 and the cover frame 36 are provided with a buffer sealing unit 50, when the filling unit 54 is pressed by the support frame 30 and other members stacked on the cover frame 36, the working fluid Is filled so that the tube member 52 protrudes from the support frame 30 and the cover frame 36 and is interposed between the inner wall of the case 10 and the support frame 30 or the cover frame 36 to absorb the impact. do.

The buffer sealing part 50 of the present embodiment is accommodated in an internal space formed along the frame body 32 and the partition member, and expands when the operating fluid is supplied, so that a part of the cushioning sealing part 50 protrudes outside the frame body 32 and the partition member. The tube member 52 and the partition member 34 are provided on the upper end of the upper end or the upper surface of the cover frame 36, and when pressurized by the other frame body 32 or the cover member 14, the working fluid is sprayed to the tube member 52 ) To expand the filling portion 54, and when the operating fluid is supplied by the operation of the filling portion 54, the operating fluid supplied to the tube member 52 passes through and a valve portion that prevents reverse flow of the operating fluid ( 56), and a safety pin 58 that is installed by restraining the filling portion 54 to prevent malfunction of the filling portion 54 caused by applying a pressing force to the filling portion 54 different from the intention of the operator.

In addition, the filling part 54 of the present embodiment is installed to be protruding and protruding on the upper end of the partition member 34 or the upper surface of the cover frame 36, and the support frame seated on the partition member 34 or the cover frame 36 ( 30) Or, when pressed by the cover member 14, a knob member that moves downward to generate an operating force, a pressure container installed inside the knob member, and a pressure container in which the working fluid is compressed and stored, and installed in the pressure container, the knob member When pressurized by the switch member to open the pressure vessel to supply the working fluid, and a first elastic member (54d) interposed between the knob member and the switch member to provide an elastic force to maintain the state that the knob member protrudes upward. Include.

Therefore, when the other support frame 30 is seated on the top of the support frame 30, the cover frame 36 is seated on the upper side of the support frame 30, or the cover member 14 is seated on the upper surface of the cover frame 36, the first knob Since the first switch member 54c or the second switch member 36c is operated while pressing the member 54a or the second knob member 36a in the downward direction, the first pressure vessel 54b or the second pressure vessel ( The working fluid that has been compressed and stored from 36b) is discharged and filled into the tube member 52.

The safety pin 58 is inserted between the first knob member 54a or the second knob member 36a and the first switch member 54c or the second switch member 36c so as to pass through the central portion of the elastic member. Unlike the first knob member (54a) or the second knob member (36a) is pressed, the first switch member (54c) or the second switch member (36c) is not operated by the safety pin (58), so the first pressure vessel ( 54b) or the second pressure vessel 36b, it is possible to prevent an unexpected discharge of the working fluid.

The valve part 56 of this embodiment is provided at the discharge port side of the first pressure container 54b or the second pressure container 36b, and is movably inserted along the flow path, and the ball member 56a and the ball member ( A second elastic member 56b interposed between the support jaw portion 56c of the flow path and the ball member 56a to provide an elastic force for pressing 56a) toward the pressure vessel, and the inner wall of the flow path through which the working fluid is supplied are expanded. It includes a bypass groove (56d).

Therefore, when the working fluid is discharged from the first pressure vessel (54b) or the second pressure vessel (36b), the second elastic member (56b) is compressed and the ball member (56a) is moved to face the bypass groove (56d). The working fluid discharged from the pressure vessel 54b or the second pressure vessel 36b passes through the ball member 56a through the bypass groove 56d and is supplied to the tube member 52 side.

Subsequently, the working fluid filled in the tube member 52 is not flowed back by the ball member 56a being pressed toward the first pressure vessel 54b or the second pressure vessel 36b by the second elastic member 56b. Therefore, it is possible to prevent the operating fluid from being lost from the tube member 52.

The tube member 52 of this embodiment includes a first protrusion 52a protruding laterally from both ends of the frame body 32, and a first protruding downwardly from the bottom of the frame body 32 or the cover frame 36. It includes two protrusions 52b, and two or more of the second protrusions 52b protrude while maintaining an interval so as to wrap both sides of the cable.

In addition, in this embodiment, a detachable portion 70 capable of coupling or separating the manhole member 12 and the cover member 14 is provided, and the detachable portion 70 of this embodiment is from the cover member 14 The hook member 72 protruding in the downward direction and the hook member 72 is installed to protrude in the inner direction of the hook member formed in the manhole member 12 so that the hook member 72 is inserted, and the hook member 72 is engaged with the hook member 72 ( 74), a third elastic member 76 for pressing the locking hook 74 toward the locking groove portion, and a release portion for disengaging the hook member 72 while retracting the locking hook 74.

Therefore, when the cover member 14 is seated on the edge of the manhole member 12, the hook member 72 is inserted into the locking groove and is engaged with the locking hook 74 to maintain the locked state of the cover member 14, In the case of opening the cover member 14, when the locking hook 74 is retracted by operating the release unit, the engaging engagement of the hook member 72 is released, so that the cover member 14 can be opened.

The release part of this embodiment includes a release wire 77 extending from the rear surface of the locking hook 74 to the outside of the manhole member 12, and a lever member 79 installed at the end of the release wire 77, and the manhole A plurality of release wires 77 extending from both ends of the member 12 are connected to one lever member 79 to simultaneously retract the plurality of locking hooks 74 and to convert the cover member 14 into an openable state. You will be able to.

Reference numeral 14a, not described, is a mounting member 14a installed on the upper surface of the cover member 14, and reference numeral 78 is a guide roller 78 for guiding the plurality of release wires 77 toward the lever member 79.

In this way, a plurality of cables installed in one space are arranged to be partitioned in different spaces to prevent interference between cables, and to prevent the cables from colliding with the inner wall of the case due to vibration transmitted from the ground. It is possible to provide an underground communication cable protection device inside a building structure that can prevent the cable from being deformed or damaged.

The present invention has been described with reference to an embodiment shown in the drawings, but this is only exemplary, and various modifications and other equivalent embodiments are possible from those of ordinary skill in the field to which the technology belongs. Will understand.

In addition, although the explanation has been made by taking the underground communication cable protection device inside the building structure as an example, this is only an example, and the protection device of the present invention may be used for other products other than the underground communication cable protection device inside the building structure.

Therefore, the true technical protection scope of the present invention should be determined by the following claims.

10: case 12: manhole member
14: cover member 30: support frame
32: frame body 34: bulkhead member
36: cover frame 50: buffer sealing part
52: tube member 54: filling part
56: valve part 58: safety pin
70: detachable part 72: hook member
74: locking hook 77: release wire

Claims (4)

A case buried in the ground;
A manhole member installed above the case and forming a stepped;
A cover member mounted on the stepped to open and close a portion of the case;
A support frame that is accommodated in the case and partitions the inner space of the case so that a plurality of cables installed in the case are respectively disposed in individual spaces;
A cover frame closing the upper surface of the support frame and preventing the cable from colliding with the cover member; And
Since the support frame and the cover frame are provided with an elastic body protruding outside the support frame and the cover frame by using the pressing force generated when the support frame and the cover frame are stacked, it is deformed or damaged as the cable collides with the case by vibration transmitted from the ground. It includes a buffer sealing part that can prevent the
The support frame
A frame body mounted on the case to partition the inner space of the case in a vertical direction; And
It maintains a predetermined distance from the frame body and includes a partition member protruding to partition the inner space of the case in a horizontal direction,
The buffer sealing part,
A tube member accommodated in an inner space formed along the frame body and the partition wall member, and expands when a working fluid is supplied, so that a portion of the tube member protrudes outside the frame body and the partition wall member;
A filling part provided on an upper end of the partition member or an upper surface of the cover frame, and inflating the tube member by injecting a working fluid when pressed by another frame body or cover member;
A valve part for passing the working fluid supplied to the tube member when the working fluid is supplied by the operation of the filling part and preventing reverse flow of the working fluid; And
It includes a safety pin installed by restraining the filling portion to prevent malfunction of the filling portion caused by applying a pressing force to the filling portion different from the intention of the operator,
The filling part,
A knob member that is installed to be protruding and protruding from the upper end of the partition member or the upper surface of the cover frame, and moves downward when pressed by the support frame or the cover member seated on the partition member or the cover frame to generate an operating force;
A pressure vessel installed inside the knob member and in which the working fluid is compressed and stored;
A switch member installed in the pressure vessel, and when pressed by the knob member, opens the pressure vessel to supply a working fluid; And
And a first elastic member interposed between the knob member and the switch member to provide an elastic force for maintaining the knob member protruding upward.
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