JP2008125216A - Cable bundling device - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a device that can easily bundle a new cable together with an existing cable. <P>SOLUTION: A cable hanger A is installed on a supporting wire S strung between utility poles d, d' at appropriate intervals and supports a cable C. Each of the cable hangers is provided with a supporting means for partially supporting a new cable Ca installed along the existing cable C. The supporting means is constituted of an anchoring groove 5 formed on the outside face 1b' of a main body 1 of the cable hanger A and a lid piece 6 for closing the open end of the anchoring groove 5. <P>COPYRIGHT: (C)2008,JPO&INPIT

Description

  For example, an optical drop cable branched from an optical cable, which is a wiring system (transmission path) cable installed in the aerial, is generally subscribed from the branch part due to the positional relationship between the branch part (generally the closure part) and the general subscriber's house Do not lead directly to the customer's house, but support it along the wiring system cable, and change the direction from the middle part of the span (between the power poles where the wiring system cable is installed) to the general subscriber's house. There is.

  The present invention relates to a cable bundling device that is applied when an optical drop cable, which is a newly installed cable, is supported along a wiring system cable, which is an existing cable.

  In order to construct a cable between utility poles, it is common to construct a support line between utility poles, support the cable on a support tool assembled to the support line, and construct the cable along the support line. If a cable is newly installed in the same way along the line, various problems such as overlapping use of support lines and the like are caused. For this reason, cable bundles that use existing cable lines have been proposed and constructed when new cables are installed, and bundles of cables that use existing cable lines are supported. It is also after the helical cable support has been used as a tool.

  For example, it is combined with the existing cable side (if the existing cable is a self-supporting cable, it is wound around the self-supporting cable, and if it is not a self-supporting cable, it is attached to the support line that supports the cable. The pulling string threading tool was pushed from one power pole side into the diameter of the spiral cable support tool (wound and supported with the cable) and moved to the other power pole side, and connected to the threading tool at the rear end. The construction method (for example, patent document 1) which draws the cable connected to the rear end of the drawstring into the diameter of the spiral cable support by pulling the drawstring and connects between the utility poles is applied.

Japanese Patent No. 3002872

  In the conventional example, when it is difficult to draw a new cable into the support due to the inner diameter of the spiral cable support combined with the existing cable (in this case, the spiral cable support In particular, it is not practical to apply to a case where a bundle of short sections is sufficient, such as an optical drop cable.

  The present invention has been made by paying attention to the drawbacks of such a conventional example.

  If the existing cable is a self-supporting cable that does not need to be supported by a support line (also called a suspension line or a messenger wire), a cable hanger is attached to the self-supporting cable at an appropriate interval. Each of the cable hangers is provided with support means for partially supporting a new cable arranged along the cable, and the existing cable is other than the self-supporting type arranged along the existing support line. In the case of a cable, a cable hanger is assembled to the support line at an appropriate interval, and a support means for partially supporting a new cable arranged along the cable is provided on each of the cable hangers. It is configured.

  According to the present invention, the installation of the new cable and the bundle of the existing cable can be achieved only by supporting the newly installed cable on the cable hanger arranged on the existing cable side.

  The drawings show an embodiment of a cable bundling device according to the present invention, FIG. 1 is a schematic front view, FIG. 2 is a partially enlarged view of FIG. 1, and FIG. 4 and 4 are side views of the cable hanger.

  In the figure, S is a support line installed between the utility poles D and D '. It is supported.

  The cable hanger A supports the cable C by replacing the cable hanger A with a helical cable support having a known structure (for example, described in Patent Document 1) or by supporting the cable hanger with the cable hanger. A is added (the figure shows a case where the cable is replaced, but it is a matter of course that there is no inconvenience even if the device of the present invention is applied to the cable C supported by the cable hanger A from the beginning. The assembly of the cable hanger A to the support line S to the cable C is generally performed using a bucket vehicle).

  FIG. 1 shows that when the cable C ′ is newly installed (additionally installed) along the existing cable C, the new cable C ′ is supported on each of the cable hangers A by supporting means. The cable C and the newly installed cable C ′ are shown as a bundle.

  The cable hanger A includes a hanger main body 1 and a slightly fan-shaped clamping piece 2 that is rotatably attached to the hanger main body 1 at a base portion. The hanger main body 1 is a pair of substantially symmetrical pieces 1a. , 1b are connected in one end and are substantially U-shaped, and the large-diameter portion on the open end side of the notch 3 constituted by the pieces 1a, 1b is engaged with the existing cable C. A U-shaped small-diameter portion having a smaller diameter than the first notch 3a provided in communication with the first notch 3a at the center of the back end of the first notch 3a is formed as a second notch 3b. The support line S is engaged with this.

  The hanger main body 1 is also formed in a direction along the support line S (axis thereof) on each of the outer surface 1a ′ of one piece 1a and the outer surface 1b ′ of the other piece 1b. A pair of engagement grooves 5 are provided (a pair on the one piece 2b side), and an open end 5a on the upper surface (with respect to the bottom surface of the engagement groove 5) is assembled to each piece 1a or 1b so that one end is rotatable. The lid 6 is opened and closed so that the cable (newly installed) C ′ engaged with the engaging groove 5 does not fall off through the open end 5a.

  The attachment material 7 is slidably fitted into the engagement groove 5 so that the newly installed cable Ca can be supported by the attachment material 7 composed of the support frame 7a and the lid piece 7b. In order to support the cables C ′ and Ca, whether to use the engaging groove directly or to use it indirectly by sliding the attachment material 7 into the engaging groove depends on the situation in the field or the newly installed cable (reference C The attachment material 7 need not be limited to the structure of the embodiment (including the form of the engagement groove 5).

  The attachment material 7 (the support frame 7a) is pressed against the wall surface of the engagement groove 5 to maintain the assembled state with the engagement groove 5. However, the maintenance means may be freely selected.

  The clamping piece 2 is interposed between the branching piece pieces 1'a and 1'a of the one piece 1a of the hanger body 1 so as to be rotatable about the shaft 8 and assembled to the hanger body 1. .. Are arranged in a row on the arcuate outer edge 10a centered at 8, and a receiving claw 11 that is selectively locked by an appropriate one of the locking claws 10,. The hanger main body 1 protrudes from the inner edge of the free end of the one piece 1b.

  In addition, a grip portion 13 is provided at one end of the clamping piece 2 in the direction in which the locking claws 10 are arranged, and the gripping portion 2 is turned around the shaft 8 by placing a hand on the handle portion 13. The hanger main body 1 is pushed into the hanger main body 1, and a fitting groove 14 is provided on the inner periphery of the one piece 1 b of the hanger main body 1 on the circumference around the shaft 8. It fits to this from one end side.

  The clamping piece 2 has the maximum diameter that can clamp the inner edge 10b opposite to the outer edge 10a in which the locking claws 10 are arranged between the clamping piece 2 and the hanger main body 1 (the first notch 3a). The arc shape is such that the cable C (which constitutes an existing cable) is engaged, and the constituent edge 3a 'of the first notch 3a on the main body 1 side is the same as this.

  Then, the supporting wire S and the cable C provided between the power poles D and D ′ are interposed between the hanger main body 1 and the holding piece 2, and the holding piece 2 is rotated around the shaft 8 to enter the main body 1. When pushed in, the support wire S is relatively engaged with the second notch 3b, while the cable C is sandwiched between both members, and the cable hanger A is assembled to the support wire S and the cable C. In this way, the hangers A are arranged along the axial direction of the support wire S (cable C) with an appropriate interval, and the engagement grooves with the lid pieces 6 as support means provided on each hanger A are provided. 5, a new cable C ′, Ca, etc. are assembled to the cable C to obtain a bundled cable device.

  If it is more appropriate to use the attachment material 7, the attachment material 7 is assembled to each hanger A (the engagement grooves that are positioned to each other), and a new cable (for example, denoted by Ca is attached to the attachment material 7 portion). As shown) to achieve a single bundle. When this attachment material 7 is used, the lid piece 6 of the engagement groove 5 using the attachment material 7 may be separated.

  The self-supporting cable is applied as an existing cable, and the cable hanger A is assembled to the self-supporting cable along the longitudinal direction at an appropriate interval, and is newly installed using an appropriate engagement groove 5. The cables may be bundled.

A simplified front view. The partially expanded view of FIG. FIG. 3 is a sectional view taken along line aa ′ in FIG. 2. The side view of a cable hanger.

Explanation of symbols

A Cable hanger C, Ca Cable S Support line 1 Main cable

Claims (2)

  Supporting means for partially supporting a new cable arranged along the existing cable was provided on each of the cable hangers that supported the cable by installing the support wires installed between the utility poles at appropriate intervals. Cable bundling device.   Support means for partially supporting a new cable arranged along the self-supporting cable on each of the cable hangers by installing a cable hanger with an appropriate interval between the self-supporting cables installed between power poles A cable bundling device provided with

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