JP2012222872A - Interval holding material for bird-preventing thin wire of overhead wire - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide an interval holding material for a bird-preventing thin wire that is easily assembled upright to an overhead wire.SOLUTION: There is provided the interval holding material extended between an overhead wire (c) and a bird-preventing thin wire (a) wired right above the overhead wire (c) in parallel to hold the distance between both the wires (c) and (a) within a predetermined range. The interval holding material comprises a holding material main body 1 having a bird-preventing thin wire assembly part 4 above an intermediate material 16 and an overhead wire assembly part 2 below, and an upper slide fitting material 5 slid and fit to the bird-preventing thin wire assembly part 4 of the holding main body 1 to clamp the thin wire (a) and a lower slide fitting material slid and fit to the overhead assembly part 2 of the holding material main body 1 to clamp the overhead wire (c). Then the position of the center of gravity when the upper and lower slide fitting materials 5, 3 are slid and fit to the holding material main body 1 is positioned below the overhead wire (c).

Description

  In the present invention, in order to prevent damage caused by excrement of birds such as crows that stop on the overhead wire (support line of cable, electric wire or communication wire) installed on a utility pole or steel tower, It is related with the space | interval holding | maintenance material used in order to hold | maintain a fixed space | interval between the said overhead wire with the bird damage prevention thin line | wire arrange | positioned at predetermined intervals in the above.

  An interval holding saddle is erected at one end of a spiral attachment saddle that is wound around an overhead wire, and a bird damage prevention thin wire parallel to the spiral attachment saddle is provided at the upper end of the interval holding saddle. A fine wire-holding hook part is provided (formed by bending a metal wire), and a spacing-holding hook part is interposed between the helical mounting hook part and the fine wire holding hook part, thereby preventing bird damage prevention. There is a structure in which the distance between the cable and the cable is kept at an interval at which it is difficult for birds to stop (fly) (for example, Patent Document 1).

Japanese Patent Laid-Open No. 10-179909

  The conventional example has the advantage of being inexpensive because it is formed by bending a metal cage, but for an overhead wire, the assembly operation is complicated because the assembly is performed using the spiral shape of the spiral mounting rod. (It must be rotated and assembled to the overhead wire), and the spacing holding hooks arranged in a substantially orthogonal direction to the helical mounting hooks do not always stand up on the overhead wires. Generally speaking, skill is required.

  The present invention has been invented for the purpose of providing an interval maintenance material for a bird's damage prevention wire of an overhead wire that can always be kept upright and easily assembled with respect to the overhead wire.

  The distance between the overhead line and the bird-carrying fine wire connected in parallel with the overhead line is maintained within a predetermined range. The bird damage prevention thin wire assembly part is slidably fitted to the holding member main body having an overhead wire assembly part below and the bird damage prevention thin wire assembly part of the holding material body to sandwich the thin wire A sliding fitting material and a lower sliding fitting material that slidably fits in the overhead wire assembly portion of the holding main body and sandwiches the overhead wire with a gap, and slides the upper and lower sliding fitting materials on the holding material main body. A configuration in which the position of the center of gravity when fitted is arranged at a position below the overhead line is a basic means.

  By the way, this basic means is provided with an engaging portion having an opening in the lateral direction for engaging the overhead wire of the overhead wire assembling portion, and on both side ends of the lower sliding fitting material for opening and closing the opening of the engaging groove. A pair of upper and lower locking claws are provided, and in these locking claws, when the upper locking claws are locked, the engaging portion is opened and the lower sliding fit material is assembled with the holding main body, In addition, a point provided with a notch that closes the engaging portion when the lower locking claw is locked is provided below the engaging portion, or a fine wire assembling portion for bird damage prevention on both sides of the main piece. In addition, a pair of upper and lower guide part pieces each having an L shape in plan view are configured to be opposed to both sides of the main part piece, and the base part of the lower guide part piece is provided in a notch shape, and the engagement gap between the bird damage prevention thin wires is provided. Is communicated with the outside through the insertion gap between the upper and lower guide part pieces, and the upper sliding fit material is a leading part that presses the bird injury prevention thin line into the engagement gap. A pair of side flanges projecting in parallel on both sides, both sides of the side flanges are closed by upper and lower locking portions, and the upper guide piece is engaged beyond the lower locking portion. And a protrusion that clamps the upper guide piece that is engaged with the upper end portion of the vertical groove beyond the upper locking portion at the upper end of the side flange portion. By adding a point provided with a part, either one or both of the upper and lower sliding fit materials can be pre-assembled and placed at the factory shipment stage with respect to the holding main body. Can be further saved.

  According to the present invention, it is possible to hold the gap between the overhead wire and the bird damage prevention thin wire by simply sliding the upper and lower sliding fitting materials on the holding main body, and the interval between them, Since the center of gravity is located below the overhead line, the bird damage prevention thin line can always be placed above the overhead line without being affected by wind pressure, etc., and stable bird damage Preventive effect can be expected.

The front view which shows a use condition. The partially expanded view of FIG. The side view of FIG. FIG. 4 is a perspective view of FIG. 3. The perspective view in the middle of an assembly | attachment. FIG. FIG. The side view of FIG. The bottom view of FIG. The perspective view of a lower sliding fitting material. The front view of a lower sliding fitting material. The side view of FIG. The perspective view of an upper side sliding fitting material. The front view of an upper side sliding fitting material. The side view of FIG.

  According to the present invention, the distance maintaining material A for the bird's damage prevention fine wire of the overhead wire is provided on the overhead wire c directly above the overhead wire c (power line, communication line or their supporting wire) c and the overhead wire c. Lower sliding fitting that is detachably attached to the holding material main body 1 passed between the bird damage prevention thin wires a arranged in parallel and the overhead wire assembly portion 2 formed on the lower side of the holding material main body 1 It consists of three members of the upper sliding fitting material 5 attached to the thin wire | line assembly part 4 comprised by the upper side of the material 3 and the holding material main body 1.

  The holding material main body 1 includes the overhead wire assembly portion 2 and the thin wire assembly portion 4 as described above, and a gap between the overhead wire c and the bird injury prevention thin wire (hereinafter, thin wire) a between them. (The degree to which birds cannot fly on the overhead line c due to the presence of the thin line a) The parts 2 and 4 are integrally formed by interposing the intermediate piece 16 for maintaining d. The intermediate piece 16 is an overhead line. It is a column having a rectangular cross section which is erected on the upper end of the assembly part 2 and provided with the fine wire assembly part 4 at its tip (upper end).

  The overhead wire assembling part 2 of the holding material main body 1 has a long leg hook part 2b at one end of an arcuate upper end part 2a and a short leg hook part 2b 'at the other end, and the long leg hook part 2b. A flat leg-shaped support part 2c projecting from the lower part of the short leg collar part 2b 'to the free end immediately below the short leg collar part 2b' and engaged with the short leg collar part 2b ' An auxiliary leg collar portion 2d is provided in parallel with the long leg collar portion 2b with a gap constituting the opening 6a of the portion 6 as a whole. As described above, the gap between the short leg collar 2b 'and the auxiliary leg collar 2d is communicated with the outside through the inside of the upper and lower leg collars 2b and 2b' provided on both sides thereof. The engaging portion 6 is a lateral opening 6a, and the overhead wire c is engaged and inserted therethrough.

  The engaging portion 6 has an inner diameter sufficient to engage the overhead wire c, and is configured by the opposed inner wall surfaces 61 and 61 (the long and short leg flange portions 2b and 2b ′) constituting the engaging portion 6. ), The guide grooves 7 and 7 ′ at the lower end opening are provided vertically, and the auxiliary leg collar portion 2 d immediately below the short leg collar member 2 b ′ is also located on the same straight line as the one guide groove 7 ′. The upper and lower end opening guide grooves 7 '' are provided in parallel with the guide grooves 7 of the long leg flange 2b, the guide grooves 7 on the long leg flange 2b side, and the guide grooves 7 '' opposite to the guide grooves 7 '', 7 'is used to slidably fit the lower sliding material 3 and a lower locking claw 11 to be described later is locked to the notch 12 so that the engaging portion 6 is closed at the opening 6a.

  In addition, the thin wire assembling portion 4 of the holding material main body 1 has a pair of upper and lower guide portion pieces 4b, 4b. 4c and 4c are formed so as to project relative to each other, and the guide piece 4b is formed by bending the base portion 4b 'following the main piece 4a and the tip of the base portion 4b' in a direction opposite to each other. It consists of an L-shaped bent piece in plan view composed of a portion 4 b ″, the protrusion 5 b ′ of the upper sliding material 5 on the upper surface of the base portion 4 b ′, and the upper sliding material on the lower surface of the tip portion 4 b ″. Each of the five locking portions 14 is locked.

  The lower guide portion pieces 4c, 4c of the thin wire assembly portion 4 are positioned directly below the corresponding upper guide portion piece 4b with the insertion gap l of the fine wire a, and, like the upper guide portion piece 4b, 4c 'and a bent portion having an L-shape in side view, which is formed by bending a tip portion 4c' 'in a direction opposite to each other at the tip of the base portion 4c'. An engagement gap m is provided which is one step lower than the upper surface of the portion 4c ″ and communicates with the insertion gap l.

  The lower sliding fitting material 3 is connected to a free end of a fitting insertion piece 3a that is bifurcated and elastically deformed by bifurcating the base side, and a branching portion 3a 'on the base side of the fitting insertion piece 3a. The grip pieces (used also for weights) 3b and 3b are provided, and the fitting insertion piece 3a includes a sliding fitting portion 8 for slidingly fitting a side end portion 8a facing the guide grooves 7, 7 ', 7' ', And an engaging portion 9 for abutting the opposing side end surface 9a on the edge surfaces 7a, 7'a, 7''a of the guide grooves 7, 7 ', 7' ', The upper end portions of the sliding fitting portion 8 and the engaging portion 9 are circular in the opposite direction to the arc shape of the upper end portion 2a of the overhead wire assembling portion 2. Even if it has an arc shape and an overhead wire c is interposed between them, there is no problem.

  In addition, upper and lower locking claws 11 and 11A are provided on the side end surface 9a of the side edge base portion of the engaging portion 9 of the fitting piece 3a, and the long leg rod member 2b and the auxiliary leg rod member 2d of the holding main body 1 are provided. Any one of the guide grooves 7 and 7 ″ is locked in the notch 12 provided in the edge surfaces 7a and 7 ″ a of the guide grooves 7 and 7 ″. That is, when the upper locking claw 11A is locked to the notch 12, the state in which the lower sliding fitting material 3 and the holding main body 1 are assembled with each other is maintained, and the upper portion of the lower sliding fitting material 3 is engaged. When the engaging portion 6 is communicated with the outside at the opening 6a portion at a position below the opening 6a portion of the portion 6 and shipped from the factory in this assembled state, the assembling work of both is omitted at the site, and the cable c Can be expected to be immediately assembled.

  However, the locking relationship between the locking claw 11 and the notch 12 is maintained except that when the lower sliding fitting material 3 is slid and assembled to the overhead wire assembling portion 4, the state is not artificially removed. Therefore, it is not necessary to limit to the form and position of the embodiment, and for example, it may be provided freely on the back wall side of the engaging portion 6.

  The upper sliding fitting 5 is a bifurcated synthetic resin body having a pair of side flanges 5b, 5b protruding in parallel on both sides of the rear end surface of the leading portion 5a having a semi-hexagonal leading edge. The protrusion 5b 'that engages with the upper guide piece 4b of the thin wire assembling portion 4 is provided at the free (upper) end of the side flange 5b, and the side flange 5b portion that is continuous with the protrusion 5b'. A vertical groove 13a (the upper end is the projection 5b) is fitted into the upper guide piece 4b of the fine wire assembling part 4 so as to be cut out at the outer edge of the front surface of the front surface of the thin wire assembly part 4 so as to be cut out. The lower end is closed by a part of the head part 5a, and a part of the lower part 14A is used as a lower locking part 14A). The upper guide part 4b is engaged with the upper end of the longitudinal groove 13a between the upper locking part 14 and the protrusion 5b ', and the part 4b is It is to be held between stop portion 14 and the projection 5b '. When the leading portion 5a of the upper sliding fitting 5 is press-fitted between the upper guide portion pieces 4b, 4b of the thin wire assembling portion 4, the lower end of the longitudinal groove is closed by the lower locking portion 14A. The upper guide part 4b is forcibly engaged with the upper guide part 4b beyond the lower locking part 14A (the holding body 1 and the upper and lower sliding fittings 3 and 5 are made of synthetic resin), and the upper sliding part 13a. The fitting material 5 is assembled to the holding main body 1 in this state, and this state is maintained by the engagement relationship with the vertical groove 13a closed by the upper and lower locking portions 14 and 14A, and the lower sliding fitting material 3 and Similarly, if it is assembled and shipped to the holding main body 1 at the time of factory shipment, the on-site assembling operation becomes unnecessary.

  Then, the lower sliding fitting material 3 is slidably fitted into the guide grooves 7, 7 ′, 7 ″ provided in the holding material main body 1 using the elastic deformation of the branch portion 3 a ′, and assembled to the holding material main body 1. Similarly to the attachment, the upper sliding fitting 5 is formed by the upper and lower guide pieces 4b, 4c and the main piece 4a provided on the holding main body 1 (thin wire assembling portion 4) using the elastic deformation of the side flange 5b. The holding material main body 1 can be assembled by sliding in between.

  In order to pass the spacing member A of the embodiment between the overhead line c and the bird harm prevention thin line a, there is no inconvenience even if it is assembled to the overhead line c or the thin line a from either side. For example, the bird damage prevention thin wire a is engaged with the insertion gap 1 of the thin wire assembly portion 4 of the holding material main body 1, and the thin wire a portion in the gap 1 is brought into contact with the leading portion 5 a of the upper sliding fitting material 5. When the upper sliding member 5 is pressed down, the leg hook portion 5b of the sliding fitting member 5 is lowered by elastically deforming the upper locking portion 14 provided on the side surface thereof in contact with the upper guide piece 4b. 5a protrudes downward from between the lower guide part pieces 4c, 4c, while the upper locking part 14 reaches the upper and lower guide part pieces 4a, 4b, and the upper guide part piece 4b presses the relative upper locking part 14 The state is released, and the leg portions 5b and 5b return to the original state. As a result, the upper locking portion 14 is locked to the lower end of the upper guide portion piece 4b, and the holder main body 1 is assembled and fixed to the thin wire a in the fine wire assembling portion 4. Then, the overhead wire c is inserted into the engaging portion 6 through the opening 6a, and the lower sliding fit material 3 is used by utilizing the engaging relationship between the side end portion 8a and the guide grooves 7, 7 ', 7' '. Then, when the holder main body 1 is slid into the overhead wire assembly portion 2, the upper portion of the lower sliding fitting material 3 closes the opening 6a of the engaging portion 6 and the lower sliding fitting material 3 includes The pawl 11 is locked to the notch 12 on the main body 1 side, the holder main body 1 is assembled to the overhead wire c in the overhead wire assembling portion 2, and the spacing member A is interposed between these two lines c and a. It is installed and holds a predetermined distance between the two lines c and a.

  Further, as described above, the upper and lower sliding fittings 3 and 5 are assembled to the holding material main body 1 at the time of factory shipment (although there is no inconvenience even at the site), and the upper sliding fitting material 5 is held by the above procedure. By holding the bird damage prevention thin wire a with the main body 1, the overhead wire c is engaged and inserted into the engagement portion 6 through the opening 6 a, and the lower sliding fitting 3 combined with the holding main body 1 is pushed up. The overhead wire c is relatively assembled to the spacing member in the above manner without fear of dropping from the engaging portion 6.

  Incidentally, in the case of the embodiment, the lower sliding fitting member 3 is provided with the handle piece 3b to increase the weight, and when assembled to the overhead line c, the center of gravity is positioned below the overhead line c. Even if an external force such as wind pressure is applied, the bird harm prevention thin wire a is always positioned above the overhead wire c.

  The reason why the opening 6a of the engaging portion 6 of the embodiment is set sideways is also intended to facilitate the assembly of the overhead wire c to the engaging portion 6, and the overhead wire c is placed in the engaging portion 6 with a gap. By engaging, it is possible to follow the shaking of the overhead line c and arrange the spacing member A in a standing state with respect to the overhead line c.

  In addition, in order to remove the upper and lower sliding fittings 2 and 3 from the holding material main body 1, the bifurcated branch portions of the sliding fittings 2 and 3 (the upper ones are leg flanges 5b and 5b, the lower ones are branched). This can be performed by elastically deforming the portions 3a ′ and 3a ′) to bring the free end portions close to each other and extracting them from the main body 1 side.

a Bird damage prevention thin wire c Overhead wire d Clearance 1 Holding body 2 Overhead wire assembly part 3 Lower slide fitting material 4 Bird damage prevention thin wire assembly part 5 Upper slide fitting material 16 Mediator

Claims (3)

  The distance between the overhead line and the bird-carrying fine wire connected in parallel with the overhead line is maintained within a predetermined range. The bird damage prevention thin wire assembly part is slidably fitted to the holding member main body having an overhead wire assembly part below and the bird damage prevention thin wire assembly part of the holding material body to sandwich the thin wire A sliding fitting material and a lower sliding fitting material that slidably fits on the overhead wire assembly portion of the holding main body and sandwiches the overhead wire with a gap, and slides the upper and lower sliding fitting materials on the holding material main body. An interval maintaining material for the bird's damage prevention fine wire of the overhead wire, wherein the center of gravity position when fitted is located below the overhead wire.   The overhead wire assembly portion includes an engagement portion having a lateral opening that engages the overhead wire, and a pair of upper and lower locking claws are provided on both side ends of the lower sliding fitting material that opens and closes the opening of the engagement groove. In addition, of these locking claws, when the upper locking claw is locked, the engaging portion is opened and the lower sliding fit material is assembled with the holding main body. The space maintenance material of the fine wire for preventing bird damage of the overhead wire according to claim 1, further comprising a notch that closes the engaging portion when locked, opposite to the lower portion of the engaging portion.   The fine wire assembling part for preventing bird damage is composed of a pair of upper and lower guide part pieces each having an L-shape in plan view on both sides of the main body piece so as to be opposed to both sides of the main body piece, and the base part of the lower guide part piece is notched An engagement gap between the bird damage prevention thin wires provided as described above is communicated with the outside through the insertion gap between the upper and lower guide pieces, and the upper sliding fitting material further connects the bird damage prevention thin wires to the engagement gap. A pair of side flanges projecting in parallel on both sides of the leading portion to be pressed in, and both sides of the side flanges are closed by upper and lower locking portions, beyond the lower locking portion, A vertical groove for engaging the upper guide piece is provided, and the upper guide piece engaged with the upper end of the vertical groove beyond the upper locking portion is provided at the upper end of the side flange. The space | interval holding | maintenance material of the fine wire for bird protection of an overhead wire of Claim 1 or 2 provided with the protrusion pinched by a stop part.

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