JP2008026376A - Implement for processing surplus length of optical cable, and method for processing surplus length of optical cable - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide an implement for a surplus length of an optical and a method therefor by which the efficiency of an optical cable surplus length ordering job can be increased. <P>SOLUTION: The optical cable surplus length processing implement 10 for ordering a surplus length part 2 of an optical cable 1 in a supporter when laying the optical cable 1 comprises: support hardware 11; U-shaped surplus length processing hardware 20 constituted of a metal bar attached to the support hardware 11 and bent in a U-shape; and first and second surplus length receiving parts 30<SB>1</SB>, 30<SB>2</SB>attached to the U-shaped surplus length processing hardware 20 at an equal distance from the support hardware 11. The first and second surplus length receiving parts 30<SB>1</SB>, 30<SB>2</SB>are provided with respective ring parts each having a through-hole formed for making the U-shaped surplus length processing hardware 20 pass therethrough and second main bodies 31<SB>1</SB>, 31<SB>2</SB>each being constituted of a bar-like part bent so that the tip looks upward. <P>COPYRIGHT: (C)2008,JPO&INPIT

Description

  The present invention relates to an optical cable surplus length processing tool and an optical cable surplus length processing method, and more particularly to an optical cable surplus length processing tool and an optical cable suitable for arranging the surplus length of an optical cable in a support such as a utility pole when laying the optical cable. The present invention relates to a surplus length processing method.

  When laying an optical cable, an extra length of about 10 m is provided for every fixed distance in order to cope with future utility pole relocation. In order to sort out the extra length part of such an optical cable, various extra length accommodation hardware as described in the following Non-Patent Document 1 is used. A three-point supported J-type extra-length housing hardware that can be dispersed is mainly used.

In addition, the following Patent Document 1 discloses a storage structure in which an optical cable connecting portion storage device is housed inside a utility pole so that extra length processing of an optical fiber core wire can be easily performed. . In this core wire connecting portion storage device, the extra length accommodating portion includes a core wire connecting portion storage box and an optical fiber core wire extra length accommodating space that are individually arranged in a lateral direction so as to be movable back and forth and supported by a partition plate. In addition, the optical fiber core wires are connected to each other in the extra wire length accommodating space and are accommodated in the core wire connection portion storage box. A core wire connection portion storage box includes a plurality of grooves for storing optical fiber core wires, a space for storing an optical fiber core wire connection portion provided at the center of the groove, a core wire pressing member, and a core wire connection portion pressing member. It comprises.
Electric Cooperative Research, Vol. 48, No. 5, 164 JP-A-9-127387

However, when the extra length portion of the optical cable is arranged using the J-type extra length accommodation hardware, the operator winds the extra length portion of the optical cable in a ring shape according to the diameter of the J type extra length accommodation hardware. In order to fix to the J type extra length accommodation hardware, there existed the following problems.
(1) The extra length portion of the optical cable may be rewound without the diameter of the extra length portion of the optical cable wound in a ring shape matching the diameter of the J-type extra length accommodation hardware.
(2) Since the operator winds the extra length of the heavy optical cable by hand, it takes labor and time.
(3) If the extra length of the optical cable is changed in the utility pole after relocation, the work of rearranging the extra length of the optical cable is difficult. there were.

  An object of the present invention is to provide an optical cable surplus length processing tool and an optical cable surplus length processing method capable of improving the efficiency of the optical cable surplus length organizing work.

The optical cable surplus length processing tool of the present invention is an optical cable surplus length processing tool (10) for organizing the surplus length portion of the optical cable in the support (3) when the optical cable (1) is laid. and (11), said the extra length handling hardware attached to the support hardware (20), first and second surplus length receiving portion mounted equidistant from the support hardware to該余length handling hardware (30 ₁ , 30 ₂ ), and the first and second surplus length receiving portions are formed with an annular portion in which a through hole for penetrating the surplus length processing hardware is formed, and the end is fixed to the side surface of the annular portion And first and second main bodies (31 ₁ , 31 ₂ ) each composed of a rod-shaped portion bent so that the tip faces upward.
Here, the surplus length treated hardware is a U-shaped surplus length treated hardware (20) composed of a metal rod bent into a U-shape, and both ends and bottom portions of the U-shaped surplus length treated hardware. Are formed with first and second height adjusting screw grooves (21 ₁ , 21 ₂ ), respectively, and the first and second surplus length receiving portions are the U-shaped surplus length processing hardware. The first and second height adjusting screw grooves may be attached to be movable.
The first and second surplus length receiving portions may be attached to the surplus length processing hardware such that the rod-shaped portions of the first and second surplus length receiving portions face in opposite directions.
An end portion may further include a brace (12) attached to the support, and the support brace may be fixed to a tip portion of the brace so as to be orthogonal to the brace.
The end portion of the arm metal may be fixed to the support so that the length direction of the support metal is along the laying direction of the optical cable.

The optical cable surplus length processing method of the present invention is an optical cable surplus length processing method for arranging the surplus length portion (2) of the optical cable in the support (3) when the optical cable (1) is laid. and (11), said the extra length handling hardware attached to the support hardware (20), first and second surplus length receiving portion mounted equidistant from the support hardware to該余length handling hardware (30 ₁ , 30 ₂ ), and the first and second surplus length receiving portions are formed with an annular portion in which a through hole for penetrating the surplus length processing hardware is formed, and the end is a side surface of the annular portion. And an optical cable surplus length processing tool (10) provided with first and second main bodies (31 ₁ , 31 ₂ ) each composed of a rod-shaped portion that is fixed to the tip and bent so that the tip faces upward, Support hardware along the laying direction of the optical cable As described above, the optical cable surplus length processing tool is attached to the support, and the surplus length portion of the optical cable is wound while the surplus length portion of the optical cable is hooked on the rod-shaped portion of the first and second surplus length receiving portions. It is characterized by that.
Here, when winding the surplus length portion of the optical cable, the rod-shaped portions of the first and second surplus length receiving portions are perpendicular to the laying direction of the optical cable and face the same direction, When the extra length portion of the optical cable has been wound, the extra length portion of the wound optical cable is hung on the rod-like portion of the first extra-length receiving portion and then removed from the rod-like portion of the second extra-length receiving portion. The rod-shaped portion of the second surplus length receiving portion is rotated 180 degrees so that the rod-shaped portions of the first and second surplus length receiving portions face in opposite directions, and the surplus length portion of the removed optical cable is It may be hung on the rod-shaped part of the second extra length receiving part.
The surplus length treated hardware is a U-shaped surplus length treated hardware (20) composed of a metal bar bent in a U-shape, and between the both ends and the bottom of the U-shaped surplus length treated hardware. First and second height adjusting screw grooves (21 ₁ , 21 ₂ ) are respectively formed, and the first and second surplus length receiving portions are the first of the U-shaped surplus length processing hardware. The first and second height adjusting screw grooves may be movably attached.
The extra length portion of the optical cable is hung on the rod-like portion of the first and second extra length receiving portions, and the lower central portion of the extra length portion of the optical cable is placed on the bottom of the U-shaped extra length processing hardware. The surplus length of the optical cable may be supported at three points by the first and second surplus length receiving portions and the bottom of the U-shaped surplus length processing hardware.

The optical cable surplus length processing tool and the optical cable surplus length processing method of the present invention have the following effects.
(1) Since the extra length portion of the optical cable can be wound while the extra length portion of the optical cable is hooked on the rod-like portion of the first and second extra length receiving portions, the work of winding the extra length portion of the optical cable can be performed efficiently. At the same time, the diameter of the extra length of the optical cable can be easily adjusted.
(2) Since the first and second surplus length receiving portions are movably attached to the surplus length processing hardware, the length of the extra length portion of the optical cable changes due to the extra length extension of the optical cable by moving the utility pole, etc. Also, it can be easily handled by changing the positions of the first and second extra length receiving portions.
(3) The working time for the extra length processing of the optical cable can be shortened.

  For the above purpose, it is composed of an annular part in which a through hole for penetrating the extra length treated metal is formed and a rod-like part whose end is fixed to the side surface of the annular part and the tip is bent upward. The first and second surplus length receiving portions provided with the first and second main bodies, respectively, are realized by attaching the surplus length processing hardware at an equal distance from the supporting hardware for supporting the surplus length processing hardware.

Embodiments of the optical cable surplus length processing tool and the optical cable surplus length processing method of the present invention will be described below with reference to the drawings.
As shown in FIGS. 1A and 1B, an optical cable surplus length processing tool 10 according to an embodiment of the present invention includes a support metal 11, an arm metal 12, a support metal 13, and first and second components. Bolts 15 ₁ and 15 ₂ , first and second nuts 16 ₁ and 16 ₂ , first to fourth mounting nuts 17 _{1 to} 17 ₄ , U-shaped extra length processing hardware 20, first and second Second extra length receiving portions 30 ₁ and 30 ₂ are provided.

Here, the support hardware 11 is for supporting the U-shaped surplus length processing hardware 20 and has an L-shaped cross-sectional shape.
In order to attach the U-shaped extra length treatment hardware 20 along the optical cable 1 laid between the two utility poles 3 (supports) and at a certain distance from the utility pole 3, the end portion of the arm metal 12 is As shown in FIG. 3, it is attached to the utility pole 3 by using the universal band 4, and the support metal 11 is fixed to the end of the arm metal 12 so as to be orthogonal to the arm metal 12. Note that the support metal 11 passes the arm metal 12 between the bottom surface of the end portion of the support metal 11 and the support metal 13, and the first and second bolts 15 ₁ and 15 ₂ and the first and second nuts 16. _The arm metal 12 is fastened to the distal end portion of the arm metal 12 by tightening the arm metal 12 with ₁ and 16 ₂ .

The U-shaped surplus length processing hardware 20 is composed of a metal bar bent into a U-shape, and a drain hole 21 is formed at the bottom of the metal bar.
Further, both ends of the U-shaped surplus length processing hardware 20 are engraved with screw grooves, and one end of the U-shaped surplus length processing hardware 20 is supported by the first and second mounting nuts 17 ₁ and 17 ₂ . By fixing the other end of the U-shaped surplus length processing hardware 20 to the bottom surface of the supporting hardware 11 while fixing to the bottom surface of the hardware 11 and the third and fourth mounting nuts 17 ₃ and 17 ₄ , the U-shaped The extra length processing hardware 20 is attached to the support metal 11.

Further, first and second height adjusting screw grooves 21 ₁ and 21 ₂ are formed between the both ends and the bottom of the U-shaped surplus length processing hardware 20, respectively. First and second extra length receiving portions 30 ₁ and 30 ₂ are attached to the portions where the height adjusting screw grooves 21 ₁ and 21 ₂ are formed, respectively.

That is, as shown in FIG. 2, the first extra length receiving portion 30 ₁ includes a first main body 31 ₁ and first and second supporting nuts 32 ₁₁ and 32 ₁₂ . Here, the first body 31 _1, faces an annular portion with a through hole for passing the U-shaped extra length handling fittings 20 are formed, the tip with end is fixed to the side surface of the annular portion of the upper It is comprised from the rod-shaped part bent so. The first surplus length receiving portion 30 ₁ is formed by tightening the annular portion of the first main body 31 ₁ from above and below with the first and second support nuts 32 ₁₁ and 32 ₁₂ , whereby the U-shaped surplus length processing hardware 20. The first height adjusting screw groove 21 ₁ is attached to the portion.
The same applies to the _second extra length receiving portion 30 ₂ .

As shown in FIGS. 3 (a) and 3 (b), the first and second surplus length receiving portions 30 ₁ and 30 ₂ are arranged in the direction in which the optical cable 1 in which the rod-shaped portion is laid between the two utility poles 3 is provided. It is attached to the U-shaped surplus length processing hardware 20 so as to be perpendicular to each other and in opposite directions.
Thus, the upper portion of the extra length portion 2 of the optical cable 1 wound in a ring shape is hung on the rod-like portions of the first and second extra length receiving portions 30 ₁ , 30 ₂ , and the lower side of the extra length portion 2 of the optical cable 1. Is placed on the bottom of the U-shaped surplus length processing hardware 20, the surplus length 2 of the optical cable 1 is connected to the first and second surplus length receiving portions 30 ₁ , 30 ₂ and the U-shaped surplus length processing hardware 20. 3 points can be supported at the bottom of

Next, with reference to FIG. 3 and FIG. 4, a method for performing extra length processing of the optical cable 1 using the optical cable extra length processing tool 10 according to the present embodiment (optical cable extra length processing method according to an embodiment of the present invention) will be described. explain.
As shown in FIG. 3A, the operator uses the flexible band 4 so that the support metal 11 of the optical cable extra length processing tool 10 is along the laying direction of the optical cable 1 laid between the two utility poles 3. Then, the optical cable extra length processing tool 10 is attached to the utility pole 3.

Thereafter, the operator adjusts the heights of the first and second surplus length receiving portions 30 ₁ and 30 ₂ in accordance with the length of the surplus length portion 2 of the optical cable 1, and then the first and second main bodies 31. _1, 31 ₂ of the annular portion of the first to fourth supporting nut 32 _11, 32 _12, 32 _21, 32 ₂₂ tightened lightly down.
At this time, as shown in FIG. 4, the worker makes the rod-like portions of the first and second extra length receiving portions 30 ₁ and 30 ₂ perpendicular to the laying direction of the optical cable 1 and face the same direction.

Thereafter, the operator winds the extra length portion 2 of the optical cable 1 while hooking the extra length portion 2 of the optical cable 1 on the rod-shaped portions of the first and second extra length receiving portions 30 ₁ and 30 ₂ . At this time, the operator winds the surplus length portion 2 of the optical cable 1 so that the lower portion of the surplus length portion 2 of the wound optical cable 1 is attached to the bottom of the U-shaped surplus length processing hardware 20.

Thereafter, the operator removes the extra length portion 2 of the wound optical cable 1 from the rod-like portion of the second extra-length receiving portion 30 ₂ while hanging on the rod-like portion of the _first extra-length receiving portion 301, and then The two extra length receiving portions 30 ₂ are rotated 180 degrees so that the rod-like portions of the first and second extra length receiving portions 30 ₁ , 30 ₂ face in opposite directions as shown in FIG. .

Thereafter, the operator hangs the extra length portion 2 of the removed optical cable 1 on the rod-like portion of the _second extra length receiving portion 30 ₂ , and then attaches the annular portions of the first and second main bodies 31 ₁ and 31 _{2 to} the _first portion. first to fourth supporting nut 32 _11, 32 _12, 32 _21, 32 ₂₂ and tightened from above and below, the first and second surplus length receiving portion 30 _1, 30 ₂ is U-shaped extra so not rotate Attached to the long-processed hardware 20.

As a result, the upper portion of the surplus length portion 2 of the optical cable 1 is hung on the rod-like portions of the first and second surplus length receiving portions 30 ₁ and 30 ₂ , and the lower central portion is U-shaped surplus length processing hardware 20. The extra length portion 2 of the optical cable 1 can be supported at three points by the first and second extra length receiving portions 30 ₁ and 30 ₂ and the bottom portion of the U-shaped extra length processing hardware 20.

In the above description has used a U-shaped extra length processing hardware 20, which is constructed from a metal rod bent into a U-shape, a first extra length receiving portion 30 ₁ of the U-shaped extra length handling hardware 20 extra length handling hardware cut between the bottom or, may be used extra length handling hardware which cut between the second extra length receiving portion 30 ₂ and the bottom of the U-shaped extra length processing hardware 20. However, the U-shaped extra length treated hardware 20 is advantageous in terms of strength.

It is a figure which shows the structure of the optical cable surplus length processing tool 10 by one Example of this invention. Is a diagram illustrating a first extra length of the receiving part 30 ₁ of the configuration shown in FIG. It is a figure which shows the state which performed the extra length process of the optical cable 1 using the optical cable extra length processing tool 10 shown in FIG. It is a figure for demonstrating the method to perform the extra length process of the optical cable 1 using the optical cable extra length processing tool 10 shown in FIG.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Optical cable 2 Extra length part 3 Electric pole 4 Free band 10 Optical cable extra length processing tool 11 Support metal 12 Arm metal 13 Support metal 15 ₁ , 15 ₂ 1st and 2nd bolts 16 ₁ , 16 ₂ 1st and 2nd nut 17 _{1-17 4} first through fourth mounting nut 20 U-shaped extra length handling hardware 21 weep holes 30 _1, 30 ₂ first and second surplus length receiving portion 31 _1, 31 ₂ first and second Main body 32 ₁₁ , 32 ₁₂ , 32 ₂₁ , 32 ₂₂ , first to fourth support nuts

Claims (9)

An optical cable surplus length processing tool (10) for arranging the surplus length part (2) of the optical cable in the support (3) when laying the optical cable (1),
Support hardware (11),
Extra length treated hardware (20) attached to the support hardware;
First and second surplus length receiving portions (30 ₁ , 30 ₂ ) attached to the surplus length processing hardware at an equal distance from the support hardware;
Comprising
The first and second surplus length receiving portions have an annular portion in which a through-hole for penetrating the surplus length processing hardware is formed and an end thereof is fixed to a side surface of the annular portion, and a tip thereof faces upward. Comprising first and second main bodies (31 ₁ , 31 ₂ ) each composed of a bar-shaped portion bent into
An optical cable surplus length processing tool. The extra length treated hardware is a U-shaped surplus length treated hardware (20) composed of a metal bar bent into a U-shape,
First and second height adjusting screw grooves (21 ₁ , 21 ₂ ) are formed between both ends and bottom of the U-shaped surplus length processing hardware,
The first and second surplus length receiving portions are movably attached to portions where the first and second height adjusting screw grooves are formed in the U-shaped surplus length processing hardware.
The optical cable surplus length processing tool according to claim 1.   The first and second surplus length receiving portions are attached to the surplus length processing hardware such that the rod-shaped portions of the first and second surplus length receiving portions are directed in opposite directions to each other. The optical cable surplus length processing tool according to claim 1 or 2. A brace (12) with an end portion attached to the support;
The optical cable surplus length processing tool according to any one of claims 1 to 3, wherein the support hardware is fixed to a tip portion of the arm metal so as to be orthogonal to the arm metal.   5. The optical cable according to claim 1, wherein an end portion of the arm metal is fixed to the support so that a length direction of the support metal follows a laying direction of the optical cable. Extra length processing tool. An optical cable surplus length processing method for arranging the extra length portion (2) of the optical cable in the support (3) when laying the optical cable (1),
Support metal (11), extra-length processed metal (20) attached to the support metal, and first and second extra-length receiving parts (equal to the extra-treated metal from the support metal) 30 ₁ , 30 ₂ ), and the first and second surplus length receiving portions have an annular portion in which a through hole for penetrating the surplus length processing hardware is formed, and the end is the annular portion An optical cable surplus length processing tool (10) provided with first and second main bodies (31 ₁ , 31 ₂ ) each composed of a rod-like portion that is fixed to the side surface and bent so that the front end faces upward is used. ,
Attaching the optical cable surplus length processing tool to the support so that the support metal is along the laying direction of the optical cable,
Winding the extra length portion of the optical cable while hooking the extra length portion of the optical cable on the rod-like portion of the first and second extra length receiving portions;
An optical cable surplus length processing method. When winding the extra length portion of the optical cable, the rod-like portions of the first and second extra length receiving portions are perpendicular to the laying direction of the optical cable and face the same direction,
When the extra length portion of the optical cable is finished winding, the extra length portion of the wound optical cable is removed from the rod-like portion of the second extra-length receiving portion while being hung on the rod-like portion of the first extra-length receiving portion. Further, the rod-shaped portion of the second surplus length receiving portion is rotated by 180 degrees so that the rod-shaped portions of the first and second surplus length receiving portions face in opposite directions,
Hang the extra length portion of the removed optical cable on the rod-like portion of the second extra length receiving portion,
The optical cable surplus length processing method according to claim 6. The extra length treated hardware is a U-shaped surplus length treated hardware (20) composed of a metal bar bent into a U-shape,
First and second height adjusting screw grooves (21 ₁ , 21 ₂ ) are formed between both ends and bottom of the U-shaped surplus length processing hardware,
The first and second surplus length receiving portions are movably attached to portions where the first and second height adjusting screw grooves are formed in the U-shaped surplus length processing hardware.
The optical cable surplus length processing method according to claim 6 or 7, wherein   The extra length portion of the optical cable is hung on the rod-like portion of the first and second extra length receiving portions, and the lower central portion of the extra length portion of the optical cable is placed on the bottom of the U-shaped extra length processing hardware. 9. The optical cable surplus length according to claim 8, wherein the surplus length portion of the optical cable is supported at three points by the first and second surplus length receiving portions and the bottom of the U-shaped surplus length processing hardware. Processing method.

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