KR101622380B1 - Guide device for pulling installation of cable - Google Patents

Guide device for pulling installation of cable Download PDF

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Publication number
KR101622380B1
KR101622380B1 KR1020150124841A KR20150124841A KR101622380B1 KR 101622380 B1 KR101622380 B1 KR 101622380B1 KR 1020150124841 A KR1020150124841 A KR 1020150124841A KR 20150124841 A KR20150124841 A KR 20150124841A KR 101622380 B1 KR101622380 B1 KR 101622380B1
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KR
South Korea
Prior art keywords
bridge
cable
detachably
bridge structure
power cable
Prior art date
Application number
KR1020150124841A
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Korean (ko)
Inventor
김영돈
Original Assignee
미래이앤시주식회사
(주)엠알솔루텍
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Application filed by 미래이앤시주식회사, (주)엠알솔루텍 filed Critical 미래이앤시주식회사
Priority to KR1020150124841A priority Critical patent/KR101622380B1/en
Application granted granted Critical
Publication of KR101622380B1 publication Critical patent/KR101622380B1/en

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    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
    • H02G1/00—Methods or apparatus specially adapted for installing, maintaining, repairing or dismantling electric cables or lines
    • H02G1/06—Methods or apparatus specially adapted for installing, maintaining, repairing or dismantling electric cables or lines for laying cables, e.g. laying apparatus on vehicle

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  • Bridges Or Land Bridges (AREA)

Abstract

A guiding device for installing a cable for minimizing installation of a caterpillar as an installation equipment which is not easy to install and moving, and drastically shortening preparation time before cable installation and drastically reducing the amount of work input for installing installation equipment do. The cable guiding guide device comprises a pair of post units which are drawn out from the cable drum by the caterpillar and which are pulled by the winch and are arranged on both sides of the power cable laid along the length of the bridge, A roller connected to the post unit so as to be detachably connected to the post unit and connected to the post unit by a predetermined distance And a clamping unit for fixing the bridge structure detachably to the bridge structure.

Description

[0001] GUIDE DEVICE FOR PACKING INSTALLATION OF CABLE [0002]

BACKGROUND OF THE INVENTION 1. Field of the Invention [0001] The present invention relates to a guide apparatus for cable installation, and more particularly, to a guide apparatus for cable installation used when a power cable for transmission and distribution is installed on a bridge.

Generally, various power cables used for transmission and distribution are constructed by erecting steel towers at regular intervals on the ground, or by installing ducts or coils (power sphere) in the ground.

If the power cable passes through a mountain or a field, it is not a problem to construct a tower by standing on the ground, or by using any method of installing a duct or a bundle (power section) in the ground However, when the power cable passes through a river, a river, or the sea, it is difficult to install a steel tower or to install a power source in the ground.

Accordingly, when the power cable is installed across a wide river, river or sea, the power cable is installed in a bridge across a river, river or sea.

On the other hand, in order to lay the power cable on a bridge in general, it is necessary to install the power cable from a ground level cable drum to a construction space at a lower portion of the bridge, Wherein a plurality of caterpillars are installed at predetermined intervals along the longitudinal direction of the bridge in a laying space portion formed in the lower part of the bridge and the laying scaffold, A plurality of rollers capable of supporting the power cable are provided.

When the plurality of caterpillars are operated after completion of the installation of the laying scaffold and the caterpillar and the roller, the power cable wound around the cable drum is drawn out from the cable drum by the plurality of caterpillars and is laid along the longitudinal direction of the bridge .

Here, the caterpillar pushes the power cable from the cable drum toward the end portion of the bridge to lay the power cable along the longitudinal direction of the bridge, and the caterpillar is disposed at an interval of 20 m to 30 m along the longitudinal direction of the bridge The power cable can be installed along the longitudinal direction of the bridge without any difficulty.

However, since the caterpillar is a heavy article of several hundred kilograms to one ton, it is very difficult to move a plurality of caterpillars from the ground to the installation space.

In addition, there is a structure such as a transverse or bifurcated structure at a spacing of about 20 m in the space formed in the bridges. The height of the caterpillar, which is a weight of several hundred kilograms to one ton, Since there are dozens or more times of sections that must be lifted and moved within the space where the passageway is narrowly formed, installation work of the caterpillar, roller, and power line is very difficult and difficult, so that excessive operation personnel and equipment are input, It takes a long time, and there is a problem that work safety is not secured.

Korean Utility Model Registration No. 20-0443420 (Name of invention: cable installation device)

An object of the present invention is to minimize the installation of a caterpillar as an installation apparatus which is not easy to move and install as a heavy object, thereby drastically shortening preparation work time before cable installation and greatly reducing the number of workloads for installing installation equipment And a guide device for cable installation.

Other objects and advantages of the present invention will become apparent to those skilled in the art from the following detailed description.

A pair of post units which are pulled out from the cable drum by a caterpillar and which are pulled by a winch and arranged on both sides of a power cable laid along the length of the bridge, A roller that is pulled out by the caterpillar and supported by a winch to support a power cable laid along a length of the bridge; and a bridge connected detachably to the post unit, And a clamping unit for detachably fixing the structure to the cable.

For example, the post unit may include a connecting member detachably connected to a first shaft protruding from both sides of the roller, a second shaft detachably connected to the connecting member, and a second shaft rotatably coupled to the second shaft And a rotating cylindrical member detachably installed on the outer circumferential surface and detachably connected to the clamping unit.

The threaded portion formed at the lower end portion of the second shaft is detachably coupled to the connecting member. The threaded portion formed at the upper end portion of the second shaft is connected to the rotating cylindrical member, Is prevented from being released to the outside of the second shaft can be detachably screwed.

For example, the clamping unit comprises: a fixing means connected detachably to the post unit; a support bracket attached to the fixing means; and a clamping member rotatably connected to the support bracket and detachably secured to the bridge structure, Means.

For example, the fixing means may include first and second fixing brackets rotatably connected to each other by a hinge so as to surround the post unit, and first and second fixing brackets rotatably connected to one of the first and second fixing brackets A connection groove formed on the other of the first and second fixing brackets so that the connecting bar can be inserted therein and a screw portion formed on the connecting bar to be screwed into the first and second fixing brackets, And a fixing member which can be fixedly attached to the post unit.

Meanwhile, the support bracket may further include a support jaw supported by the bridge structure when the clamping unit is fixed to the bridge structure.

For example, the clamping means includes a body rotatably connected to the support bracket, upper and lower support jaws protruding from the body to be integrally formed with the body, And a bridge structure disposed between the upper supporting jaw and the lower supporting jaw so as to penetrate the upper supporting jaw to press the bridge structure between the lower supporting jaw and the lower supporting jaw, And a fixing member for clamping the bridge structure.

As described above, the guiding device for guiding a cable according to an embodiment of the present invention can reduce the frictional force by supporting the lower end of the installed power cable by the rollers, and the power cable is guided by the post unit, Thereby preventing a phenomenon of being deviated to the outside.

Therefore, when the power cable is installed along the length of the bridge by using the cable guiding device according to the embodiment of the present invention, the power cable is connected to the cable drum from the ground It is possible to install only one or two caterpillars for pulling out the power cable and install only one winch for pulling the power cable at the end of the bridge where the power cable is installed, There is no need to install a heavy caterpillar and the number of caterpillars can be greatly reduced, thereby drastically shortening the preparation work time before cable laying and drastically reducing the number of workloads for installation of installation equipment.

Therefore, the guiding device for cable installation according to an embodiment of the present invention not only significantly shortens the installation time of the power cable, but also greatly reduces the installation cost of the power cable.

In addition, when a power cable is laid along the length of a bridge using a guide device for cable installation according to an embodiment of the present invention, a caterpillar, a roller, and a power line, which are heavy objects, It is not necessary to carry out the operation of lifting and moving the workpiece.

The effects of the present invention will be clearly understood and understood by those skilled in the art, either through the specific details described below, or during the course of practicing the present invention.

1 is a perspective view of a cable guiding device according to an embodiment of the present invention;
2 is a view showing a state in which a guide device for cable installation according to an embodiment of the present invention is installed on a bridge structure

The present invention is capable of various modifications and various forms, and specific embodiments are illustrated in the drawings and described in detail in the following description. It should be understood, however, that the invention is not intended to be limited to the particular forms disclosed, but includes all modifications, equivalents, and alternatives falling within the spirit and scope of the invention.

The terms first, second, etc. may be used to describe various components, but the components should not be limited by the terms. The terms are used only for the purpose of distinguishing one component from another. For example, without departing from the scope of the present invention, the first component may be referred to as a second component, and similarly, the second component may also be referred to as a first component.

The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. The singular expressions include plural expressions unless the context clearly dictates otherwise. In the present application, the terms "comprising" or "having ", and the like, are intended to specify the presence of stated features, integers, steps, operations, elements, parts, or combinations thereof, But do not preclude the presence or addition of one or more other features, integers, steps, operations, elements, parts, or combinations thereof.

Unless otherwise defined, all terms used herein, including technical or scientific terms, have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs.

Terms such as those defined in commonly used dictionaries are to be interpreted as having a meaning consistent with the meaning in the context of the relevant art and are to be interpreted as ideal or overly formal in meaning unless explicitly defined in the present application Do not.

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Reference will now be made in detail to preferred embodiments of the present invention, examples of which are illustrated in the accompanying drawings.

FIG. 1 is a perspective view of a guide device for cable installation according to an embodiment of the present invention, and FIG. 2 is a view showing a state in which a guide device for cable installation according to an embodiment of the present invention is installed in a bridge structure.

Referring to FIGS. 1 and 2, a cable guiding apparatus 100 according to an embodiment of the present invention may include a pair of post units 110, a roller 120, and a clamping unit 130 have.

The pair of post units 110 are pulled by a caterpillar (not shown) from a cable drum (not shown) and pulled by a winch (not shown) On both sides of the roller 120 so as to be positioned on both sides of the roller 120.

For example, the post unit 110 may include a connecting member 111, a second shaft 112, and a rotating cylindrical member 113.

The connecting member 111 may be detachably connected to the first shaft 121 protruding from both sides of the roller 120. A threaded portion 121a is formed on an outer circumferential surface of at least a part of the first shaft 121 protruding from both sides of the roller 120. The threaded portion 121a is formed on the inner circumferential surface of the connecting member 111, The first shaft 121 is screwed to the connecting member 111 so that the connecting member 111 can be detachably connected to the first shaft 121.

The second shaft 112 may be detachably connected to the connecting member 111. For example, assuming that one side of the connecting member 111 is detachably connected to the first shaft 121, the second shaft 112 is detachably connected to the other side of the connecting member 111 .

Here, the second shaft 112 may have a threaded portion 112a formed on the outer circumferential surface of the upper and lower end portions protruding outward from the rotary cylindrical member 113.

The lower end of the second shaft 112 may be connected to the connecting member 111 in a detachable manner by being screwed to the connecting member 111.

A separation preventing member 114 is detachably attached to the threaded portion 112a formed at the upper end of the second shaft 112 to prevent the rotation cylindrical member 113 from being released to the outside of the second shaft 112, . For example, the release preventing member 114 may be a nut.

The rotating cylindrical member 113 may be rotatably and detachably installed on the second shaft 112. The clamping unit 130 may be detachably connected to the outer circumferential surface of the rotating cylindrical member 113 so as to be vertically adjustable in height. The rotating cylindrical member 113 supports both sides of the power cable 200 supported and supported by the rollers 120 so that the power cable 200 can be guided so as not to be detached to the outside of the roller 120 .

The roller 120 is rotatably connected to the pair of post units 110 and can be pulled by the caterpillar and supported by a winch to support a power cable 200 installed along the length of the bridge .

For example, the roller 120 may be tapered so that the outer circumferential surface gradually decreases in diameter from both ends to the center.

Therefore, the power cable 200, which is supported by the roller 120 and installed along the length of the bridge by the caterpillar and the winch, can be minimized to the outside of the roller 120.

The clamp unit 130 is detachably connected to the post unit 110 so as to be adjustable in top and bottom directions so that the post unit 110 can be detachably attached to the bridge structure 300, .

For example, the clamping unit 130 may include a fixing means 131, a support bracket 132, and a clamping means 133.

The fixing unit 131 can be connected to the post unit 110 so that the height of the post unit 110 is adjustable and removable.

For example, the fixing means 131 may include first and second fixing brackets 131a and 131b, a connecting bar 131c, a connecting groove 131d, and a fixing member 131e.

The first and second fixing brackets 131a and 131b may be rotatably connected to each other by a hinge H1 so as to surround the outer circumferential surface of the post unit 110, that is, the rotary cylinder member 113. [

The connection bar 131c may be rotatably connected to one of the first and second fixing brackets 131a and 131b. A threaded portion 131f may be formed on the outer peripheral surface of at least a part of the connection bar 131c.

The connection groove 131d may be formed in another fixing bracket of the first and second fixing brackets 131a and 131b so that the connection bar 131c can be inserted.

For example, when the connection bar 131c is rotatably connected to the first fixing bracket 131a by the hinge H2, the connection groove 131d is formed in the second fixing bracket 131b . Therefore, when the connecting bar 131c is rotated toward the second fixing bracket 131b with the hinge H2 as the center, a part of the connecting bar 131c is inserted into the connecting groove 131d, When the connecting bar 131c is rotated toward the first fixing bracket 131a in a state where a part of the bar 131c is inserted into the connecting groove 131d, the connecting bar 131c ).

Alternatively, when the connecting bar 131c is rotatably connected to the second fixing bracket 131b by the hinge H2, the connection groove 131d is formed in the first fixing bracket 131a . Therefore, when the connecting bar 131c is rotated toward the first fixing bracket 131a with the hinge H2 as the center, a part of the connecting bar 131c is inserted into the connecting groove 131d, When the connecting bar 131c is rotated toward the second fixing bracket 131b in a state where a part of the bar 131c is inserted into the connecting groove 131d, the connecting bar 131c ).

The fixing member 131e is screwed to the threaded portion 131f formed on the connecting bar 131c to closely fix the first and second fixing brackets 131a and 131b to the post unit 110. [

For example, the fixing member 131e may be a nut that can be screwed to the threaded portion 131f formed on the connecting bar 131c.

The support bracket 132 may be attached to the securing means 131. For example, the support bracket 132 may be attached to one of the fixing brackets 131, i.e., the first and second fixing brackets 131a and 131b through a method such as welding.

The support bracket 132 may further include a support protrusion 132a supported by the bridge structure 300 when the clamping unit 133 is fixed to the bridge structure 300.

For example, the support tab 132a may protrude from one end of the support bracket 132 so as to be integrally formed with the support bracket 132. [

The clamping means 133 may be rotatably connected to the support bracket 132 and may be detachably attached to the bridge structure 300.

For example, the clamping means 133 may include a body portion 133a, upper and lower supporting jaws 133b and 133c, a clamping groove portion 133d, and a fixing member 133e.

The body 133a may be rotatably connected to the support bracket 132 by a hinge H3.

The upper support step 133b may protrude from the upper end of the body part 133a so as to be integrated with the body part 133a. Meanwhile, the upper support jaw 133b may be provided with a fastening hole 133f formed with a threaded portion (not shown).

The lower support jaw 133c may protrude from the lower end of the body portion 133a so as to be integrated with the body portion 133a.

The upper supporting jaw 133b and the lower supporting jaw 133c are protruded from the upper and lower ends of the body 133a so that the upper supporting jaw 133b and the lower supporting jaw 133c So that at least a portion of the bridge structure 300 can be inserted.

The fixing member 133e is screwed to the upper supporting jaw 133b so as to penetrate the upper supporting jaw 133b and presses the bridge structure 300 located between the lower supporting jaw 133c and the lower supporting jaw 133c So that the body portion 133a can be clamped to the bridge structure 300. That is, when the fixing member 133e is screwed into the fastening hole 133f formed in the upper supporting step 133b, the lower end of the fixing member 133e, which protrudes to the lower end of the lower supporting step 133c, The bridge structure 300 is pressed so that the body portion 133a can be clamped to the bridge structure 300.

For example, the fixing member 133e may be a bolt.

Referring to FIGS. 1 and 2, an installation process and an operation effect of a guide device for cable installation according to an embodiment of the present invention will be described.

The clamping unit 130 is moved up and down along the rotating cylindrical member 113 of the post unit 110 to move the clamping unit 130 The fixing member 131e is screwed to the connection bar 131 to fix the position of the clamping unit 130. [

After the position of the clamping unit 130 is fixed, the rotating cylindrical member 133 is rotated about the second shaft 112 so that the upper and lower supporting jaws 133b and 133c of the clamping unit 133 The direction of the clamping unit 130 is adjusted so as to face the bridge structure 300 capable of fixing the clamping unit 130.

After the direction of the clamping unit 130 is adjusted, the cable installation guide 100 according to an embodiment of the present invention is moved so that at least a part of the bridge structure 300 is accommodated in the clamping groove portion 133d do. At this time, upper and lower supporting jaws 133b and 133c of the clamping unit 133 are positioned above and below the bridge structure 300, respectively.

In this state, when the fixing member 133e of the clamping unit 133 is rotated to lower the fixing member 133e in the direction of the lower supporting jaw 133c, the fixing member 133e and the lower supporting jaw The guide structure 100 for a cable installation according to the present invention is fixedly mounted on the bridge structure 300 by pressing the bridge structure 300 by means of screws 133a, 133b, 133c.

The guide device 100 for cable installation according to an embodiment of the present invention may be fixedly installed on the bridge structure 300 by repeating the above-described processes and arranging a plurality of the bridge devices 300 at predetermined intervals along the length of the bridge.

The guide device 100 for guiding a cable according to an embodiment of the present invention includes a power cable 200 that is pulled out from a cable drum (not shown) by a caterpillar and is pulled by a winch, The lower end of the power cable 200 can be supported by the roller 120 to reduce the frictional force and the power cable 200 can be guided by the post unit 110 when the power cable 200 is moved, The power cable 200 is not released to the outside of the power cable 200.

Therefore, when the power cable 200 is installed along the length of the bridge using the guide device 100 for cable installation according to the embodiment of the present invention, the power cable is taken out from the cable drum to the installation space, Only one or two caterpillars for pulling out the power cable 200 from the cable drum are installed in a scaffolding system which is a scaffold of a height from the ground to the bottom of the bridge, Only one winch for towing the power cable 200 can be installed and the power cable 200 can be installed.

Generally, conventionally, when a power cable 200 is laid along a longitudinal direction of a bridge, a cater, which is a heavy article having a weight of several hundred kilograms to one ton, is installed at intervals of 20 m to 30 m along the longitudinal direction of the bridge, And a cable for power connection between the caterpillar is installed. In addition, there is a structure such as a bridge and a bridge in the space of the bridge formed at a distance of about 20m, A height of about 140 cm which is narrow even though a worker passes through the caterpillar as a heavy material, and a work passage is present several tens times in the space where the work space is to be lifted and moved within a narrowly formed space, so that the caterpillar installation work is very difficult and difficult As a result, it takes a lot of work time and personnel, There is a problem that safety is not secured.

On the other hand, when the power cable 200 is installed along the length of the bridge using the guide device 100 for cable installation according to the embodiment of the present invention, it is necessary to install a caterpillar as a heavy material in the space And the installation number of the caterpillar can be greatly reduced. Therefore, it is possible to drastically shorten preparation time before cable laying and drastically reduce the number of working hours for installing installation equipment.

Therefore, the guiding device 100 for installing a cable according to an embodiment of the present invention can ultimately not only significantly shorten the installation time of the power cable 200, but also greatly reduce the installation cost of the power cable 200 There are advantages to be able to.

Further, when the power cable 200 is laid along the length of the bridge by using the cable guiding device 100 according to the embodiment of the present invention, the cater, which is a heavy product, is lifted in a narrow space There is an advantage in that the operation stability can be ensured by not having to move the work.

While the present invention has been described in connection with what is presently considered to be practical and exemplary embodiments, it is to be understood that the invention is not limited to the disclosed embodiments, but, on the contrary, It will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention as defined by the appended claims.

(110): Post unit (120): Roller
(130): Clamping unit

Claims (7)

A pair of post units disposed on both sides of the power cable drawn from the cable drum by the caterpillar and simultaneously pulled along the length of the bridge by the winch;
A power cable rotatably connected to the pair of post units and pulled out by the caterpillar while being pulled by a winch to support a power cable laid along the length of the bridge, and the outer circumferential surface gradually increases in diameter To minimize a phenomenon in which a power cable installed along the length of the bridge is separated by the caterpillar and the winch to the outside; And
And a clamping unit detachably connected to the post unit to fix the post unit detachably to a bridge structure provided at a predetermined interval in the installation space,
Wherein the clamping unit comprises:
Fixing means connected detachably to the post unit;
A support bracket attached to the fixing means; And
And clamping means rotatably connected to the support bracket and detachably secured to the bridge structure,
Wherein the support bracket further comprises a support jaw supported by the bridge structure when the clamping means is secured to the bridge structure. The method according to claim 1,
The post unit includes:
A connecting member detachably connected to the first shaft projected to both sides of the roller;
A second shaft detachably connected to the connecting member; And
And a rotating cylindrical member rotatably and detachably mounted on the second shaft and detachably connected to the outer circumferential surface of the clamping unit. 3. The method of claim 2,
Wherein the second shaft comprises:
The threaded portion formed at the lower end of the rotating cylindrical member protrudes to the outside and the threaded portion formed at the lower end of the rotating cylindrical member is detachably screwed to the connecting member. Wherein the release preventing member is detachably fastened to the guide member. delete The method according to claim 1,
Wherein,
First and second fixing brackets rotatably connected to each other by a hinge so as to surround the post unit;
A connection bar rotatably connected to any one of the first and second fixing brackets and having a threaded portion;
A connection groove portion formed in the other one of the first and second fixing brackets so that the connecting bar can be inserted; And
And a fixing member screwed to the threaded portion formed on the connection bar to firmly fix the first and second fixing brackets to the post unit. delete The method according to claim 1,
Wherein the clamping means comprises:
A body portion rotatably connected to the support bracket;
An upper and a lower support protruding from the body to be integrally formed with the body;
A clamping groove formed between the upper and lower support jaws to insert at least a part of the bridge structure; And
And a fixing member screwed to the upper supporting jaw so as to penetrate the upper supporting jaw to press the bridge structure located between the upper supporting jaw and the lower supporting jaw to clamp the body to the bridge structure, Guide device.
KR1020150124841A 2015-09-03 2015-09-03 Guide device for pulling installation of cable KR101622380B1 (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN117937344A (en) * 2024-03-22 2024-04-26 国清环境发展有限公司 Photovoltaic board cable fixed mounting structure

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100981710B1 (en) 2010-03-29 2010-09-14 대덕전력 주식회사 Pulling device for 3-phase power cable and automatic pulling method using the same

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100981710B1 (en) 2010-03-29 2010-09-14 대덕전력 주식회사 Pulling device for 3-phase power cable and automatic pulling method using the same

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN117937344A (en) * 2024-03-22 2024-04-26 国清环境发展有限公司 Photovoltaic board cable fixed mounting structure
CN117937344B (en) * 2024-03-22 2024-06-04 国清环境发展有限公司 Photovoltaic board cable fixed mounting structure

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