KR102129124B1 - Optical cable laying and gap retention device - Google Patents

Abstract

The present invention relates to an apparatus for installing an optical cable and maintaining an interval and, more specifically, to an apparatus for installing an optical cable and maintaining an interval, capable of shortening the construction term by facilitating the installation of the optical cable to increase the speed of installation and preventing damage due to friction with an inner wall of a pipeline by keeping the optical cable to be spaced apart from an inner wall of the pipeline at a certain distance in installing the optical cable in an underground pipeline. To achieve the above technical object, the present invention includes: a body portion in which a plurality of cable mounting grooves are formed in a longitudinal direction for radially mounting the optical cable and a first support and a second support protrude in the longitudinal direction at upper and lower portions thereof, respectively; a first cover portion having one end rotatably coupled to one side of an end portion of the second support through a connecting member to protect the optical cable from the outside; a second cover portion having one end rotatably coupled to the other side of the end portion of the second support through the connecting member to protect the optical cable from the outside; a cover coupling device for fixedly coupling the first cover portion and the second cover portion to each other; and at least one guide device provided on outer surfaces of the first cover portion and the second cover portion to facilitate the installation work.

Description

Optical cable laying and gap retention device

The present invention relates to an optical cable laying and spacing maintenance device, and more specifically, in laying an optical cable in a pipeline buried underground, smoothing the laying of the optical cable to improve the installation speed to shorten the air, as well as the optical cable conduit It relates to an optical cable laying and spacing maintenance device that can maintain a state spaced apart from the inner wall and prevent damage due to friction with the inner wall of the pipeline.

In general, the installation of the optical cable is formed by excavating a starting port 21 and a reaching port 22 on the floor as shown in FIG. 1 to form an optical communication network between the telephone stations or between the telephone stations and subscribers, respectively, and then the starting port 21 ) To form an excavation hole (23) underground to communicate with the reach (22), and then press the casing (24) in the shape of a tube into the inside of the excavation hole (23) to universalize the conduit (20). As a widely used traction type installation method, an optical cable 25 was installed in the pipeline 20.

At this time, the towing method is to mount the optical cable 25 to the front end of the optical cable 25 to be installed, the tow network 26 is wound around the tow network 26, the tow rope 27 pulled out from the press-in equipment is mounted. By connecting and towing, the optical cable 25 is laid inside the pipeline 20.

However, in the case of laying the optical cable 25 inside the pipeline 20 by the conventional towing type laying method as described above, the optical cable 25 and the pipeline during the towing operation of the optical cable 25 by the towing rope 27 Since the frictional force is greatly generated between the casings 24 installed in the interior of the (20), not only the installation work is not smoothly performed, but also the workability is remarkably reduced due to the low installation speed.

In addition, as the coating is damaged due to friction with the casing 24 installed inside the pipeline 20 during the pulling operation of the optical cable 25 by the towing rope 27, the insulation of the optical cable 25 is destroyed or the optical cable ( As the tensile stress within 25) increases, there is a problem in that cable damage such as internal disconnection is frequently generated.

Particularly, since only one optical cable 25 can be wound and towed by one towing network 26 applied to the conventional towing type laying method, it takes a lot of work time to install a large number of optical cables, which significantly reduces workability. There is a problem.

Korea Patent Registration No. 10-1228133 has been registered.

The present invention has been devised to solve the problems of the prior art as described above, and the purpose of the technical configuration of the present invention is to lay an optical cable in a pipeline buried underground, smoothly installing the optical cable to increase the installation speed. It is to provide an optical cable laying and spacing maintenance device that can shorten the air by improving and shorten the air, as well as maintain a state spaced apart from the inner wall of the pipe to prevent damage due to friction with the inner wall of the pipe.

The present invention for achieving the above technical problem is a plurality of cable seating grooves in which the optical cable is radially seated is formed in the longitudinal direction, the upper and lower body parts in which the first support and the second support respectively protrude in the longitudinal direction; A first cover portion which is rotatably coupled to one side of one end portion of the second support through a connection member to protect the optical cable from the outside; A second cover portion which is pivotably coupled to the other side of the end portion of the second support through a connecting member to protect the optical cable from the outside; Cover coupling means for fixing the first cover portion and the second cover portion to each other; And guide means provided on at least one of the outer surfaces of the first cover portion and the second cover portion to guide the installation work smoothly. An additional first cover portion and a second cover portion are respectively formed on the inner surfaces, and the third and fourth supports, the other end of which are in close contact with both ends of the body portion, are formed to protrude in the longitudinal direction, and the first and second covers are formed. Each of the cable fixing means for pressing and fixing the optical cable seated in the cable mounting groove formed in the body portion is provided, wherein the cable fixing means includes bolt holes formed in the first cover portion and the second cover portion, respectively, A fixing bolt that is fastened to the bolt hole and one end is bolted to the fixing bolt from the inside of the first cover part and the second cover part, and when the closing operation of the first cover part and the second cover part, the other end is a cable of the body part Provided is an optical cable laying and spacing maintenance device comprising a pressing member that is in contact with an outer surface of an optical cable seated in a seating groove to press and fix an optical cable by tightening a fixing bolt.

delete

In addition, the cover coupling means is a coupling protrusion formed protruding along the longitudinal direction on the edge surface of the other end of the first cover portion; And it is formed along the longitudinal direction on the edge surface of the other end of the second cover portion, it characterized in that it comprises a coupling groove to which the engaging projection is fitted.

In addition, the outer surface of the engaging protrusion is formed with an inclined surface inclined at an angle so that it can be smoothly inserted into the engaging groove, a locking groove is formed between the engaging protrusion and the first cover, and both sides of the engaging groove The second cover portion corresponding to the locking projection is inserted into the locking groove is characterized in that the protrusion.

In addition, the guide means is characterized in that it comprises a bracket portion which is respectively installed on the outer surface of the first cover portion and the second cover portion, and a rolling wheel that is axially coupled to the bracket portion and rotates.

In another aspect, a plurality of cable mounting grooves in which a radial optical cable is seated is formed in a longitudinal direction, and a body part in which a first support and a second support are respectively protruded in the longitudinal direction; A third cover portion to which one end portion is rotatably coupled to the one end surface of the first support through a connecting member 300; A fourth cover portion to which one end portion is rotatably coupled to the one end surface of the second support through a connecting member; Cover fixing means for fixing the third cover portion and the fourth cover portion to the body portion; And it is provided with at least one on the outer surface of the first cover portion and the second cover portion guide means for guiding the installation work is smooth; provides an optical cable laying and spacing maintenance device comprising a.

In addition, the cover fixing means protrude along the longitudinal direction to the fitting grooves formed on the other side of the first support and the second support along the longitudinal direction, respectively, and to the edge surfaces of the other ends of the third and fourth cover parts. It is formed is characterized in that it comprises a hook portion that is fixed to fit in the fitting groove.

According to the present invention, in laying an optical cable in a pipeline buried underground, the installation of the optical cable smoothly improves the installation speed to shorten the air, and the optical cable maintains a state spaced apart from the inner wall of the pipeline Damage caused by friction with the inner wall of the pipeline can be prevented, and a plurality of optical cables can be installed with a single device, thereby significantly shortening the working time.

1 is a conceptual diagram for explaining the optical cable traction laying method according to the prior art.
2 is a perspective view showing a state in which the first and second cover portions are opened, showing an optical cable laying and spacing maintaining apparatus according to an embodiment of the present invention.
3 is a perspective view showing a state in which the first and second cover parts are closed in the state of FIG. 1.
Figure 4 is a front view showing a state in which the optical cable is installed in the optical cable laying and spacing device according to an embodiment of the present invention.
Figure 5 is a partial cross-sectional view for explaining the cover engaging means applied to the present invention, (a) is a state where the engaging projection of the cover engaging means is separated from the engaging groove, (b) the engaging projection of the engaging means of the cover engaging means It is in a bound state.
6 is a conceptual diagram showing a state in which an optical cable is laid in a pipeline using an optical cable laying and spacing maintaining device according to an embodiment of the present invention.
7 is a perspective view showing a state in which the third and fourth cover portions are opened, showing an optical cable laying and spacing maintaining apparatus according to another embodiment of the present invention.
8 is a perspective view showing a state in which the third and fourth cover parts are closed in the state of FIG. 7.
9 is a front view showing a state in which the optical cable is installed in the optical cable laying and spacing device according to another embodiment of the present invention.

The present invention can be applied to various changes and can have various embodiments, and specific embodiments will be illustrated in the drawings and described in the detailed description.

However, this is not intended to limit the present invention to specific embodiments, and should be understood to include all modifications, equivalents, and substitutes included in the spirit and scope of the present invention. In describing each drawing, similar reference numerals are used for similar components.

Terms including ordinal numbers such as second and first may be used to describe various components, but the components are not limited by the terms.

The terms used in this specification are used only for the purpose of distinguishing one component from other components. For example, the second component may be referred to as the first component without departing from the scope of the present invention, and similarly, the first component may also be referred to as the second component. The term and/or includes a combination of a plurality of related described items or any one of a plurality of related described items.

When an element is said to be "connected" or "connected" to another component, it is understood that other components may be directly connected or connected to the other component, but other components may exist in the middle. It should be. On the other hand, when a component is said to be "directly connected" or "directly connected" to another component, it should be understood that no other component exists in the middle.

The terms used in this application are only used to describe specific embodiments, and are not intended to limit the present invention. Singular expressions include plural expressions unless the context clearly indicates otherwise. In this application, the terms "include" or "have" are intended to indicate the presence of features, numbers, steps, actions, components, parts or combinations thereof described in the specification, but one or more other features. It should be understood that the existence or addition possibilities of fields or numbers, steps, operations, components, parts or combinations thereof are not excluded in advance.

Unless otherwise defined, all terms used herein, including technical or scientific terms, have the same meaning as commonly understood by a person skilled in the art to which the present invention pertains. Terms such as those defined in a commonly used dictionary should be interpreted as having meanings consistent with meanings in the context of related technologies, and should not be interpreted as ideal or excessively formal meanings unless explicitly defined in the present application. Does not.

Hereinafter, embodiments of the present invention will be described with reference to the accompanying drawings.

FIG. 2 is a perspective view showing a state in which the first and second cover parts are opened, and FIG. 3 is a first and second state in the state of FIG. 4 is a front view showing a state in which the optical cable is installed in the apparatus for installing and spacing an optical cable according to an embodiment of the present invention, and FIG. 5 is a view for explaining the cover coupling means applied to the present invention In a partial cross-sectional view, (a) is a state where the engaging projection of the cover engaging means is separated from the engaging groove, and (b) is a state where the engaging protrusion of the cover engaging means is coupled to the engaging groove.

Referring to Figures 2 to 5 to describe the optical cable laying and spacing maintenance device 10 according to an embodiment of the present invention.

First, according to the present invention, when laying an optical cable in a pipeline buried underground, the optical cable is smoothly installed to improve the installation speed to reduce air, and the optical cable maintains a state spaced apart from the inner wall of the pipeline. Regarding an optical cable laying and spacing maintaining device capable of preventing damage due to friction with an inner wall of a pipeline, such an optical cable laying and spacing maintaining device 10 is a cable mounting groove in which an optical cable 11 is radially seated ( 110) is formed in a plurality in the longitudinal direction, the upper and lower body portion 100 in which the first support 120 and the second support 130 are formed to protrude in the longitudinal direction, respectively; A first cover portion 200 which is coupled to the end portion of one end portion of the second support 130 so as to be rotatable through a connecting member 400 to protect the optical cable 11 from the outside; A second cover portion 300 which is pivotally coupled to the other end surface of the second support 130 through a connecting member 400 to protect the optical cable 11 from the outside; Cover coupling means 600 for fixing the first cover portion 200 and the second cover portion 300 to each other; And guide means 700 provided on at least one of the outer surfaces of the first cover part 200 and the second cover part 300 to guide the installation work smoothly.

On the other hand, the cable seating groove 110 of the body portion 100 is preferably formed in a semi-circular shape so that the outer surface of the optical cable 11 is partially covered.

In addition, at least one of the front or rear of the body portion 100 is formed with a traction hook 140 on which the traction rope 12 hangs.

The connecting member 400 includes a first hinge piece 410 mounted on both side surfaces of the end portion of the second support 130 of the body portion 100, the first cover portion 200 and the second cover portion ( It comprises a second hinge piece 420 mounted on one end of the 300) and a hinge shaft 430 penetrated through the through hole formed in the first hinge piece 410 and the second hinge piece 420, respectively. As such, such a configuration is a structure of a hinge generally used, and thus detailed description will be omitted.

In addition, at the inner centers of the first cover part 200 and the second cover part 300, one end is formed to extend to the inner surfaces of the first cover part 200 and the second cover part 300, respectively, and the other end part is provided. The third and fourth supports 210 and 310, which are respectively in close contact with both ends of the body part 100, are formed to protrude in the longitudinal direction.

In addition, the cable fixing means 500 for pressing and fixing the optical cable 11 seated in the cable mounting groove 110 formed in the body portion 100 to the first cover part 200 and the second cover part 300 Each is provided.

The cable fixing means 500 includes bolt holes 510 formed on the first cover portion 200 and the second cover portion 300, and fixing bolts fastened to the bolt holes 510, respectively. 520) and the first cover portion 200 and the second cover portion 300, the inner side of the fixing bolt 520 is bolted hole 531 is formed so that one end is bolted, the first cover portion ( 200) and the other end portion is in contact with the outer surface of the optical cable 11 seated in the cable mounting groove 110 of the body portion 100 during the closing operation of the second cover portion 300, tightening of the fixing bolt 520 It is configured to include a pressing member 530 for pressing and fixing the optical cable 11 by.

On the other hand, the other end of the pressing member 530 is preferably formed in a semi-circular shape so that the outer surface of the optical cable 11 is covered with a certain portion.

That is, when the first cover part 200 and the second cover part 300 are closed while the optical cable 11 is seated in the cable seating groove 110 formed in the body part 100, the pressing member 530 The other end of the contact with the outer surface of the optical cable 11 is provided at a position facing the cable seating groove (110). In this state, as the fixing bolt 520 is tightened, the end of the fixing bolt 520 pushes the pressing member 530 so that the pressing member 530 presses the optical cable 11 toward the cable mounting groove 110. By doing so, the optical cable 11 is fixed.

In addition, the cover coupling means 600, the first cover portion 200 and the second cover portion 300 when the closing operation of the first cover portion 200 and the other end portion of the second cover portion 300 each other By allowing it to be coupled and fixed, the cover coupling means 600 is configured to include a coupling protrusion 610 and a coupling groove 620.

The engaging protrusion 610 is formed to protrude along the longitudinal direction on the edge surface of the other end of the first cover portion 200, and the inclined surface at an angle inclined to be smoothly inserted into the engaging groove 620 on the outer surfaces of both ends ( 611) is formed.

In addition, a locking groove 612 is formed between the coupling protrusion 610 and the first cover part 200 so that the locking protrusion 621 protruding from the second cover part 300 is inserted.

The coupling groove 620 is formed along the longitudinal direction on the edge surface of the other end of the second cover portion 300, the coupling protrusion 610 is fitted and coupled, the second corresponding to both sides of the coupling groove 620 A locking protrusion 621 inserted into the locking groove 612 is protruded from the cover part 300.

On the other hand, the locking projection 621 is formed in a semi-circular shape to be smoothly inserted into the locking groove 612, it is preferable that the locking groove 612 is formed in a shape corresponding to the locking projection 621.

In addition, the coupling protrusion 610 and the coupling groove 620 are illustrated and described as being formed as one along the longitudinal direction of the first cover portion 200 and the second cover portion 300, but are not limited thereto, and are spaced apart at regular intervals. It may be formed in a plurality of states.

The guide means 700 is rotatably coupled to the bracket portion 710, which is installed on the outer surfaces of the first cover portion 200 and the second cover portion 300, and the bracket portion 710 so as to be rotatable It comprises a rolling wheel 720.

More preferably, the guide means 700 is preferably provided in the center of the outer surfaces of the first cover part 200 and the second cover part 300, respectively, the first cover part 200 and the second cover The guide means 700 provided in the part 300 is preferably located on the same line with each other.

That is, the guide means 700 is smoothly towed by the rolling wheel 720 is in close contact with the inner wall of the pipe line 20 when sliding the optical cable 11 inside the pipe line 20 to slide. It can be done.

Hereinafter, the installation method and operation of the optical cable laying and spacing maintaining device 10 of the present invention configured as described above will be described.

First, as shown in FIG. 2, after the first cover part 200 and the second cover part 300 are laid out, the optical cable 11 is seated in the cable seating groove 110 of the body part 100, and then the expanded first part The cover part 200 and the second cover part 300 are respectively rotated in an inner direction to close the other ends of the first cover part 200 and the second cover part 300 as shown in FIG. 3.

Accordingly, as shown in FIG. 4, the coupling protrusion 610 protruding from the edge surface of the other end of the first cover part 200 is formed in the coupling groove 620 formed on the edge surface of the other end of the second cover part 300. The first cover part 200 and the second cover part 300 are fixed by being fitted to the other side of the pressing member 530 provided inside the first cover part 200 and the second cover part 300. The end is provided in contact with the outer surface of the optical cable 11 seated in the cable seating groove (110).

At this time, by rotating and tightening the fixing bolt 520 bolted to the pressing member 530, the pressing member 530 contacting the outer surface of the optical cable 11 moves the optical cable 11 toward the cable mounting groove 110 As it is pressurized, the optical cable 11 is fixed.

With this installation method, after installing a plurality of spaced apart predetermined distances over the entire length of the optical cable 11, the optical cable is installed in the distal end of the optical cable 11 and is pulled out from the press-fit device into the towing ring 140 of the gap maintaining device 10. By connecting the towed rope 12 and towing it, the optical cable 11 is installed inside the pipeline 20.

That is, the present invention, as shown in Figure 6, when laying an optical cable in a pipeline buried underground, by smoothing the installation of the optical cable to improve the installation speed to shorten the air, as well as the optical cable and the inner wall of the pipeline at regular intervals By keeping the spaced apart, it is possible to prevent damage due to friction with the inner wall of the pipeline, and a plurality of optical cables can be installed with one device, thereby significantly shortening the working time.

FIG. 7 is a perspective view showing a state in which the third and fourth cover portions are opened, and FIG. 8 is a third and fourth view in the state of FIG. 7. It is a perspective view showing a state in which the cover part is closed, and FIG. 9 is a front view showing a state in which the optical cable is installed in the optical cable laying and spacing maintaining device according to another embodiment of the present invention.

The optical cable laying and spacing maintaining apparatus 10 according to another embodiment of the present invention will be described with reference to FIGS. 7 to 9 as follows, and parts that can be replaced by the description of one embodiment described above will be omitted.

The optical cable laying and spacing maintaining apparatus 10 according to another embodiment of the present invention includes a connecting member (on the one end surface of the first support 120 having the first cover portion 200 formed on the body portion 100) ( 400 is connected to the first cover portion 200 that is rotatably coupled to protect the optical cable 11 from the outside, and a connecting member 400 on one side of one end of the second support 130 formed on the body portion 100 ) Is provided so as to be rotatable through the second cover part 300 protecting the optical cable 11 from the outside, and at least one or more provided on the outer surfaces of the first cover part 200 and the second cover part 300 Guide means 700 to guide the construction work smoothly; And a cover fixing means 800 for fixedly coupling the first cover part 200 and the second cover part 300 to the body part 100.

At this time, the first cover part 200 is provided to be rotated from the top to the bottom, and the second cover part 300 is provided to be rotated from the bottom to the top.

In addition, the cover fixing means 800 is a fitting groove 810 and a first cover portion 200 and a second formed in the longitudinal direction on the other side of the first support 120 and the second support 130, respectively. It is configured to include a hook portion 820 which is formed to protrude in the longitudinal direction on the edge surface of the other end portion of the cover portion 300, and is fixed to the fitting groove 810.

That is, the present invention configured as described above, when laying an optical cable in a pipeline buried underground, improves the installation speed by smoothing the laying of the optical cable, shortens the air, and the optical cable is spaced apart from the inner wall of the pipeline By maintaining the, it is possible to prevent damage due to friction with the inner wall of the pipeline, and a plurality of optical cables can be installed with one device, thereby significantly shortening the working time.

10: Optical cable laying and spacing maintenance device
100: body
110: cable seating groove
120: first support
130: second support
140: towing hook
200: first cover
210: third support
300: second cover portion
310: fourth support
400: connecting member
410: first hinge
420: second hinge
430: hinge axis
500: cable fixing means
510: bolt ball
520: fixed bolt
530: pressing member
600: cover coupling means
610: engaging projection 611: slope 612: the locking groove
620: engaging groove 621: jam
700: guide means
710: bracket part
720: rolling wheel
800: cover fixing means
810: fitting groove
820: Hangeolbu

Claims (7)

A body in which a plurality of cable mounting grooves 110 in which the optical cable 11 is radially seated is formed in the longitudinal direction, and the first support 120 and the second support 130 are respectively protruded in the longitudinal direction at the upper and lower portions. Part 100;
A first cover portion 200 which is coupled to the end portion of one end portion of the second support 130 so as to be rotatable through a connecting member 400 to protect the optical cable 11 from the outside;
A second cover portion 300 which is pivotally coupled to the other end surface of the second support 130 through a connecting member 400 to protect the optical cable 11 from the outside;
Cover coupling means 600 for fixing the first cover portion 200 and the second cover portion 300 to each other; And
It includes at least one or more guide means 700 provided on the outer surfaces of the first cover part 200 and the second cover part 300 to guide the installation work smoothly.
In the inner center of each of the first cover part 200 and the second cover part 300, one end is formed to extend to the inner surfaces of the first cover part 200 and the second cover part 300, respectively, and the other end part is The third support and the fourth support 210, 310, which are respectively in close contact with both ends of the body 100, are formed to protrude in the longitudinal direction,
The first and second cover parts 200 and 300 are respectively provided with cable fixing means 500 for pressing and fixing the optical cable 11 seated in the cable seating groove 110 formed in the body part 100, respectively. ,
The cable fixing means 500,
A bolt hole 510 formed in the first cover part 200 and the second cover part 300,
Fixing bolts 520 fastened to each bolt hole 510 and
One end is bolted to the fixing bolt 520 from the inside of the first cover part 200 and the second cover part 300, and the first cover part 200 and the second cover part 300 are closed. In operation, the other end is in contact with the outer surface of the optical cable 11 seated in the cable seating groove 110 of the body portion 100, and a pressing member for pressing and fixing the optical cable 11 by tightening the fixing bolt 520 Optical fiber laying and spacing device comprising a (530).

delete According to claim 1,
The cover coupling means 600,
A coupling protrusion 610 protruding along a longitudinal direction on the edge surface of the other end of the first cover part 200; And
Optical cable laying and spacing maintenance device, which is formed along the longitudinal direction on the edge surface of the other end of the second cover part 300, and includes a coupling groove 620 into which the coupling protrusion 610 is fitted.
According to claim 3,
An outer surface of the engaging protrusion 610 is formed with an inclined surface 611 inclined at a certain angle so that it can be smoothly inserted into the engaging groove 620, and the engaging protrusion 610 and the first cover part 200 Between the locking groove 612 is formed,
Optical cable laying and spacing maintenance device, characterized in that the locking projections 621 inserted into the locking groove 612 protrudes from the second cover portion 300 corresponding to both sides of the coupling groove 620.
According to claim 1,
The guide means 700,
The first cover portion 200 and the second cover portion 300, the bracket portion 710 is installed on the outer surface of each, and the bracket portion 710 is coupled to the axis of rotation and includes a rolling wheel 720 Characterized in that the optical cable laying and spacing maintenance device.
A body in which a plurality of cable seating grooves 110 in which the optical cable 11 is radially seated is formed in the longitudinal direction, and the first support 120 and the second support 130 are respectively protruded in the longitudinal direction at the upper and lower portions. Part 100;
A first cover part 200 which protects the optical cable 11 from the outside by being rotatably coupled to one end through a connecting member 400 on one end surface of the first support 120;
A second cover portion 300 which is connected to one end of the second support 130 through a connecting member 400 to be rotatable to protect the optical cable 11 from the outside;
A guide means 700 provided at least one on the outer surfaces of the first cover part 200 and the second cover part 300 to guide the installation work smoothly; And
And a cover fixing means (800) for fixedly coupling the first cover part (200) and the second cover part (300) to the body part (100).
The method of claim 6,
The cover fixing means 800,
The fitting grooves 810 respectively formed along the longitudinal direction on the other side surfaces of the first support 120 and the second support 130 and
The first cover portion 200 and the second cover portion 300, the other end of each other along the rim surface is formed protruding along the longitudinal direction, it characterized in that it comprises a hook portion 820 to be fitted to the fitting groove 810 Optical cable laying and spacing maintenance device.

Images