JP3049616U - Workbench for connecting overhead optical cables - Google Patents

Abstract

(57) [Problem] To perform wiring connection work by attaching a device for converting an optical signal propagating in an optical fiber into an electric signal corresponding to each terminal device to a telephone pole or a suspension line installed between the telephone poles. Provide a workbench for connecting an aerial optical cable that can easily and easily lift various equipment and processing equipment to the installation location in any place, and perform connection work using the lifted processing equipment. . SOLUTION: A hanging metal fitting 8 is provided around a worktable main body 1 formed in a box shape opened upward, and a device W accommodated in the worktable main body 1 is placed at a desired height position by using the hanging metal fitting 8. Can be lifted up. After being lifted, the workbench main body 1 is connected to the suspension line 45 between the utility poles P and the utility pole P by using the suspension connecting member 9 and the steadying member 20 provided on the workbench main body 1.
Is attached to the steady rest. Thereafter, by opening the one side plate 1b of the worktable main body 1 to the open posture protruding outward and horizontally, a wide mounting surface on which the processing equipment T and the like are mounted on the worktable main body 1 can be formed.

Description

[Detailed description of the invention]

[0001]

[Technical field to which the invention belongs]

 In the optical communication system, an optical network unit (ONU) for converting an optical signal propagating in an optical fiber into an electric signal corresponding to each terminal device is provided on an electric pole or an overhead line between electric poles. The present invention relates to a workbench for connecting an aerial optical cable used when performing connection work by mounting.

[0002]

[Prior art]

 Processing equipment such as fusion splicers and fiber cutters / strippers are used in this type of overhead optical cable connection work, but these equipment and ONUs can be lifted up and down by a lifting bucket of an aerial work vehicle. is assumed.

[0003]

[Problems to be solved by the invention]

 However, it is difficult to install ONUs and connect overhead optical cables in places where high-altitude work vehicles cannot enter or where high-lowering buckets cannot reach. In such places, more than two workers are required, and the workability tends to deteriorate.

[0004] Therefore, an object of the present invention is to easily and easily lift various equipment and processing equipment such as ONUs to the height position of the overhead optical cable in any place. An object of the present invention is to provide a work table that can be used for connection work.

[0005]

[Means for Solving the Problems]

 The present invention is provided with a hanging metal fitting 8 around a worktable main body 1 configured in a box shape opened upward as shown in FIGS. 1 and 6, and the one side plate 1 b of the worktable main body 1 is moved upright and out of position. The hanging connecting member 9 which is configured to be able to be turned up and down to an open posture protruding horizontally and connected to the hanging wire 45 between the utility poles, and the anti-sway member 20 acting on the utility poles P It is provided on the base body 1.

At the bottom of the worktable main body 1, as shown in FIG. 9, there is provided a bucket connector 25 which can be attached to and detached from the opening edge of the lifting bucket B of the aerial work vehicle. The bucket connector 25, the hanging connector 9, and the steady member 20 are detachably provided on the workbench body 1.

[0007]

[Action]

 When using the workbench having the above-described configuration, devices W and equipment such as ONUs are accommodated in the workbench main body 1 having the one side plate 1b in an upright posture on the ground, and the hanging belt 41 is attached to the hanging bracket 8. And hang it on the workbench body 1. In this way, as shown in FIG. 5, the lifting rope 42 connected to the overhead wire 43 between the utility poles is connected to the suspension belt 41, and the rope 42 is wound up, so that the equipment W and the equipment can be safely worked without dropping. The base body 1 can be lifted to a desired height.

In the suspended state, as shown in FIG. 6, the workbench main body 1 can be attached to the suspension line 45 and the telephone pole P in a steady state using the suspension connecting member 9 and the steadying member 20. W can be connected and wired to the overhead optical cable 46. Since the mounting surface can be expanded by opening the side plate 1b of the workbench body 1 horizontally, it is possible to place various processing equipments T for wiring connection thereon and perform the wiring connection work. Can be.

If the workbench main body 1 is provided with the bucket connecting tool 25 at the bottom, it is possible to use an aerial work vehicle. At this time, the workbench main body 1 can be attached to the opening edge of the lifting / lowering bucket B via the bucket coupling 25.

If the workbench main body 1 is provided with the hanging connecting member 9, the steadying member 20, and the bucket connecting member 25 so as to be detachable, the workbench is lifted by the rope 42 because it is a place where the aerial work vehicle cannot enter. And using aerial work vehicles. In the case of lifting with the rope 42, by removing the bucket connecting member 25 from the workbench main body 1, the weight can be reduced correspondingly and the lifting becomes easy. In the case of using an aerial work vehicle, by removing the suspension connecting member 9 and the steady rest member 20 from the workbench main body 1, the workbench main body 1 can be mounted on the aerial work vehicle without being disturbed by these components. It can be easily mounted on the lifting bucket B.

[0011]

[Embodiment of the invention]

 Hereinafter, an embodiment of a workbench according to the present invention will be described with reference to the drawings. As shown in FIGS. 1 and 2, the workbench main body 1 of the workbench A has side plates 1b, 1c, 1d and 1e erected from four sides of a square bottom plate 1a, and has a horizontally elongated shape opened upward. It is formed in a box shape, and only the side plate 1b on the front side is attached via a hinge 2 so that it can be turned upside down.

The front side plate 1b and the left and right side plates 1c and 1d are connected by a refractible link 3, through which the side plate 1b can be opened outward to a horizontal position. . On the left and right sides of the side plate 1b, there are provided lock members 6 configured so that the connecting pins 5 can be moved out and back by knobs 4. On the other hand, the connecting pins 5 are connected to and removed from the left and right side plates 1c and 1d. A metal fitting 7 is provided. The side plate 1b can be held and fixed in the upright posture by inserting and locking the connection pin 5 into the connection fitting 7.

As shown in FIGS. 1 and 2, the work table A is attached to the front and rear lower surfaces of the bottom plate 1a of the work table main body 1 and the left and right side plates 1c and 1d by ropes 42 (see FIG. 5) as described later. A ring-shaped hanging bracket 8 used for lifting operation is provided. On the left and right sides of the side plate 1e on the rear side of the worktable main body 1, hanging connection devices 9 for hanging lines 45 are detachably mounted. The hanging connector 9 has a support arm 11 extending cantilevered forward and attached to the upper end of a telescoping column 10 made of a square pipe. A clamp fitting 12 that can be screwed in is provided. The support 10 can be fixed at an arbitrary length by tightening the set bolt 13.

A connecting member 14 for the utility pole P is detachably mounted at an intermediate portion in the left-right direction of the side plate 1 e on the rear side of the worktable main body 1. The connector 14 has a resin receiving member 16 having a concave arc-shaped receiving surface attached to the outer surface of a substrate 15 detachably bolted to the side plate 1e. Is provided with a ring 17 for banding.

As shown in FIG. 3, a support portion 18 extending from the bottom plate 1 a is provided on the left and right sides of the workbench body 1. It is detachably attached by the attached bolt 21. The steady rest 20 is composed of a pair of rods 22 crossed in a pine needle shape, and the angle between the rods 22 is formed by using a wing bolt / nut 23 which is erected near the base of the rods 22. It is possible to adjust.

As shown in FIG. 4, a long running rail 24 is provided on the lower surface of the bottom plate 1 a of the workbench body 1 on the left and right sides. A bucket connector 25 for B is inserted and mounted. The bucket linking tool 25 has a pair of left and right vertical walls 27 and 28 on the outer end side of a board 26 to be inserted and guided on the guide rail 24, and a fastening tool 29 is screwed into the outer vertical wall 27. Have been. By mounting the bolt 32 over the bolt insertion hole 30 of the board 26 and the plurality of screw holes 31 provided on the guide rail 24, the interval between the left and right bucket couplers 25 can be adjusted in multiple steps. Can be.

An example of a usage pattern of the work table A configured as described above will be described. As shown in FIG. 5, on the ground, first, a device W for installation, such as an ONU, is stored in the workbench body 1 on which the one side plate 1b is held upright and the hanging connector 9 is attached. Next, the suspension belt 41 is passed through the front and rear and left and right suspension brackets 8 and hangs around the outer periphery of the worktable body 1 in a cross shape. Thus, one end of the rope 42 wrapped around the pulley 44 previously attached to the overhead wire 43 or the hanging wire 45 between the utility poles P is connected to the suspension belt 41, and the other end of the rope 42 is pulled up and wound up. The main body 1 is lifted to a desired height.

After being lifted to a predetermined height, the worker who climbed the utility pole P attaches the tip of the suspension connector 9 to the existing suspension line 45 below the overhead wire 43 as shown in FIG. The workbench main body 1 is supported by the hanging wire 45 by being tightened and connected by the clamp fitting 12. Further, a steady rest 20 is attached to the support portion 18 on the side close to the utility pole P, and the angle between the two bars 22 is adjusted so that the utility pole P is sandwiched between the pair of bars 22, whereby the workbench body 1 is moved. Avoid shaking. In this state, the device W is attached to the suspension line 45. Equipment such as processing equipment T such as a fusion splicer used for wiring connection and tools such as tools are lifted by a separate hanging rope or placed on the workbench main body 1 together with the equipment W to be lifted.

Thus, after being lifted, the side plate 1b on the front side of the workbench body 1 is opened horizontally, so that a wide mounting surface connected to the bottom plate 1a can be obtained. Then, the wiring connection between the overhead optical drop cable 49 and the device W is performed. Wiring FIG. 7 shows a state where the connection work is completed, the workbench A is removed, and the device W is connected and wired to the overhead optical drop cable 49. In FIG. 7, reference numeral 48 denotes a metal drop-in line derived from the device W.

FIG. 8 shows an embodiment in which the workbench body 1 is fixed without using the steady rest 20. In this case, before the lifting, the connecting tool 14 for the electric pole P is attached to the back side of the worktable main body 1 as shown in FIG. 2, and after the worktable main body 1 is lifted as described above, as shown in FIG. The band 47 wrapped around the utility pole P is inserted into the ring 17 of the connector 14 and tightened. Thereby, the workbench main body 1 can be fixed to the utility pole P. In this state, the side plate 1b is opened horizontally to expand the mounting surface, and the processing equipment T is placed here to perform the wiring connection work.

When an aerial work vehicle is used, a pair of left and right bucket connectors 25 is attached to the lower surface of the worktable body 1 as shown in FIGS. To put the left and right bucket connecting tools 25. At this time, the interval between the two connecting tools 25 is adjusted so that the left and right opening edges of the lifting bucket B enter between the pair of vertical walls 27 and 28 in each connecting tool 25, and the fastening tool 29 is screwed. Then, the workbench body 1 is placed on the lifting bucket B and fixed. At the time of working at a high place, the side plate 1b on the front side of the workbench body 1 is opened horizontally to obtain a wide mounting surface connected to the bottom plate 1a. .

[0022]

[Effect of the invention]

 As described above, according to the present invention, one workbench main body 1 mounts a device W such as an ONU to be installed, a lifting stand for other equipment, and a processing device T such as a fusion splicer at a high place. Can also be used as a work table. Moreover, when used as a work table, the side plate 1b can be opened and the mounting surface can be expanded, so that the processing equipment T can be safely mounted on this and the connection and wiring work can be easily performed. Installation and wiring connection work can be easily performed by one person.

The workbench body 1 can be easily attached to the lifting bucket B of the aerial work vehicle. Further, in both cases where the aerial work vehicle can be used or cannot be used, the workbench body 1 can be effectively used as a workbench having an equipment lifting table and a wide mounting surface.

[Brief description of the drawings]

FIG. 1 is a perspective view of a work table as viewed from the front side.

FIG. 2 is a perspective view of the workbench as viewed from the rear side.

FIG. 3 is a perspective view illustrating an example of a steady rest member of a worktable.

FIG. 4 is a perspective view of the work table as viewed from the bottom side.

FIG. 5 is a perspective view showing an example of a work mode in which equipment is being lifted.

FIG. 6 is a perspective view showing a state in the middle of work in an example of a work mode.

FIG. 7 is a front view showing a state where the work is completed.

FIG. 8 is a plan view showing another working table fixed form.

FIG. 9 is a vertical sectional front view showing a state where the worktable is mounted on the lifting bucket.

FIG. 10 is a perspective view showing a state where a worktable is mounted on a lifting bucket.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Workbench main body 1b One side plate 8 Suspension metal fitting 9 Hanging connection tool 20 Sway-stopping member (sway-stopping tool) B Elevating bucket P Electric pole W Equipment

 ──────────────────────────────────────────────────続 き Continuing on the front page (72) Inventor Satoru Shibano 3-3-1-5 Edodori, Nishi-ku, Osaka-shi, Osaka Inside Kinki Communication Construction Co., Ltd. (72) Koichi Nishiide 3-chome Edodori, Nishi-ku, Osaka, Osaka No. 3-15 Kinki Tsushin Construction Co., Ltd.

Claims (3)

[Utility model registration claims] 1. A workbench 8 is provided around a workbench body 1 having a box shape that is open upward. The workbench body 1 includes a suspension connector 9 connected to a suspension line 45 between utility poles, and a steadying member 20 acting on the utility pole P.
And a workbench for connecting an aerial optical cable. 2. A bucket connector 25 detachably attached to an opening edge of an elevating bucket B of an aerial work vehicle at a bottom portion of the worktable main body 1.
The workbench for connecting an overhead optical cable according to claim 1, further comprising: 3. A hanging connector 9 and a steadying member 2.
The workbench for connecting an aerial optical cable according to claim 2, wherein the work base (0) and the bucket connector (25) are detachably provided on the workbench body (1).