JP4463158B2 - Broken column raising tool and broken column temporary restoration method using the tool - Google Patents

Description

  The present invention relates to a tool that causes a broken pole (breaking pole) to be temporarily restored when a breakage occurs in an intermediate portion of a utility pole on which a high-voltage distribution line is installed, and a broken pole temporary restoration method using the tool.

  A construction method has already been proposed for temporary restoration when a utility pole breaks on the ground due to a vehicle collision or a natural disaster (see, for example, Patent Document 1). In this example, the broken rebar of the utility pole is cut to separate the remaining ground part from the remaining ground part, and the ground remaining part is held by the crane vehicle, while the strut is built on the remaining ground part, Power transmission can be restored by bringing the remaining part on the ground close to each other and fastening them with fastening members such as chains and wires.

Japanese Patent No. 2681250

  Telephone pole breakage occurs not only on the ground but also in the middle. In a middle breakage accident, the broken column is often connected to the ground remaining part by a reinforcing bar in a collapsed state. It is impossible to separate such a broken column from the residual part on the ground and to support it on an aerial work platform because it exceeds the weight, and a method of separating the residual part on the ground as described above from the residual part in the ground (for example, Patent document 1) is not applicable.

  Construction pillar trucks, tow trucks, crane trucks, etc. have the support ability to be able to suspend broken pillars, but in fact, the high-voltage distribution lines installed on the broken pillars will be an obstacle, so these vehicles It is difficult to suspend or cause a broken column to fall. However, if you take protective measures to prevent short circuits and damage to the high-voltage distribution lines, you may be able to work on these vehicles, but the power company usually does not own these special work vehicles. There is a drawback that it takes time to arrange for it.

  The present invention has been made in view of such circumstances, and in the event that breakage occurs in the middle part of the utility pole, a tool for causing the utility pole broken for temporary restoration work with good workability, and a broken pole using the tool. The purpose is to provide a temporary restoration method.

(1) The broken pole raising tool of the present invention is a broken pole raising tool H for causing a broken pole 2 broken at an intermediate portion of the utility pole 1,
A broken column reinforcing pipe 4 for temporarily fixing the broken column 2 to the ground remaining portion 3 remaining in a standing state on the ground ;
A main body 5 composed of an elongated body fixed along the broken column reinforcing pipe 4 ;
A fastening member 6 for fixing the main body 5 to the broken column reinforcing tube 4;
Guide members 7, 7 provided on the upper and lower parts of the main body 5;
A wire 8 guided by the guide members 7 and 7 to cause the broken column 2 is provided.

  According to such a configuration, the lower half portion of the broken column reinforcing pipe 4 is fixed to the portion near the broken portion of the remaining ground portion 3 with, for example, a fastening member such as a band member or a wire, and the broken column reinforcing tube 4 is fixed to the broken column reinforcing tube 4. The main body 5 is fixed by a fastening member 6 such as a band member or a wire, so that, for example, a beading wire is connected to one end of a wire 8 guided by the guide members 7, 7. If the other end of the wire 8 is wound up by a winding means such as an in-vehicle winch, the broken pillar 2 can be caused to engage. If the caused broken column 2 is drawn to the upper half of the broken column reinforcing pipe 4 by a drawing tool such as a shimler and fixed with a fastening member such as a band member or a wire, for example, a temporarily restored state where power transmission is possible Become.

  The fastening member such as the band member and the number wire for fixing the remaining ground portion 3 and the broken column reinforcing pipe 4 and the broken column reinforcing tube 4 and the broken electric pole raising tool H (main body 5) as described above are temporarily fixed. It is preferable that the fixed state can be maintained until the full-scale restoration work is completed. By using such a fastening member for temporary fixing, the broken electric pole raising tool H and the broken column reinforcing pipe 4 can be used again.

(2) Another broken electric pole raising tool of the present invention is a broken pole raising tool H for causing a broken pole 2 broken at an intermediate portion of the electric pole 1,
A broken column reinforcing pipe 4 for temporarily fixing the broken column 2 to the ground remaining portion 3 remaining standing on the ground;
A main body 5 made of an elongated body that is fixed in advance via support members 91 and 92 along the broken column reinforcing pipe 4;
Guide members 7, 7 provided on the upper and lower parts of the main body 5;
A wire 8 guided by the guide members 7 and 7 to cause the broken column 2 is provided.

  According to such a configuration, the lower half portion of the broken column reinforcing pipe 4 is fixed to the portion near the broken portion of the remaining ground portion 3 with the band member or the like, and at one end of the wire 8 guided by the guide members 7 and 7, For example, a staking wire is connected, and the staking wire is locked to a portion of the broken pillar 2 that intersects the armrest of the broken column 2 and the other end of the wire 8 is wound by a winding means such as an in-vehicle winch. If it winds up, the broken pillar 2 can be caused. If the caused broken column 2 is drawn to the upper half of the broken column reinforcing pipe 4 by a drawing tool such as a shimler and fixed with a fastening member such as a band member or a wire, for example, a temporarily restored state where power transmission is possible Become.

  The fastening member such as the band member and the number wire for fixing the remaining ground portion 3 and the broken column reinforcing pipe 4 and the broken column reinforcing tube 4 and the broken electric pole raising tool H (main body 5) as described above are temporarily fixed. It is preferable that the fixed state can be maintained until the full-scale restoration work is completed. By using such a fastening member for temporary fixing, the broken electric pole raising tool H and the broken column reinforcing pipe 4 can be used again.

(3) In the broken electric pole raising tool described in (1) or (2), the guide member 7 provided in the lower part of the main body 5 is detachably and pivotably attached to the lower part of the main body 5. The support member 72 may be a pulley that is rotatably supported . If it does in this way, when causing the broken pillar 2, the wire 8 can be made to respond | correspond to a suitable direction with respect to the position of the vehicle-mounted winch arrange | positioned on the ground.

(4) A broken pole for temporarily fixing the broken pole 2 broken at the middle part of the utility pole 1 to the remaining part 3 on the ground using the broken pole raising tool H described in the above item (1) or (2) In the restoration method,
A step (s1) of fixing the broken electric pole raising tool H to the broken column reinforcing pipe 4;
A step (s2) of fixing the lower half portion of the broken column reinforcing pipe 4 at a position near the broken portion of the ground remaining portion 3;
A step (s3) of engaging one end of the wire 8 guided by the guide members 7 and 7 of the broken electric pole raising tool H with a part of the broken column 2;
Winding the other end of the wire 8 with a winch to cause the broken pillar 2 (s4);
A step (s5) of fixing the lower part of the broken column 2 to the upper half part of the broken column reinforcing pipe 4.

  According to such a method, first, in s 1, the broken electric pole is raised by the fastening member 6 such as a band or a wire on the ground, and the main body 5 of the tool H is fixed to the broken column reinforcing pipe 4. In s2, the broken column reinforcing pipe 4 is raised together with the broken pole pole tool H and placed in a bucket of an aerial work vehicle, for example, and lifted, and by a fastening member 6 such as a band or wire, in the vicinity of the broken portion of the ground remaining portion 3 Fix in position. In s3, the slinging wire connected to one end of the wire 8 guided by the guide members 7 and 7 of the broken electric pole raising tool H is crossed with a part of the broken broken pole 2, for example, a brace. Hang on the part where it is. In s4, the hoisting broken pillar 2 is caused by hoisting means such as an in-vehicle winch waiting on the other end of the wire 8 on the ground. In s5, power can be restored by pulling the lower part of the broken column 2 caused to the upper half of the broken column reinforcement pipe 4 with a drawing tool such as a shimmer and fixing with a fastening member 6 such as a band or wire. It becomes a state.

(5) A broken pole pole for fixing the broken pole 2 broken at the middle part of the utility pole 1 to the remaining part 3 on the ground using the broken pole raising tool H described in the above item (2) or (3) In the restoration method,
A step (s11) of fixing the lower half portion of the broken column reinforcing pipe 4 to the portion near the broken portion of the remaining ground portion 3
A step (s12) of engaging one end of the wire 8 guided by the guide members 7 and 7 of the broken electric pole raising tool H with a part of the broken column 2;
Winding the other end of the wire 8 with a winch to cause the broken column 2 (s13);
A step (s14) of fixing the lower part of the broken column 2 to the upper half of the broken column reinforcing tube 4.

  According to such a method, first, in s11, the broken pole reinforcing pipe 4 integrated with the broken pole raising tool H is put into a bucket of an aerial work vehicle, for example, and lifted, such as a band or wire The fastening member 6 fixes the portion of the ground remaining portion 3 near the broken portion. Subsequently, in s12, the slinging wire 8 connected to one end of the wire 8 guided by the guide members 7 and 7 of the broken tool pole H and the tool H is connected to a part of the broken pole 2 that has fallen, for example, an arm metal. Hang on the intersecting part. In s4, the hoisting broken pillar 2 is caused by hoisting means such as an in-vehicle winch waiting on the other end of the wire 8 on the ground. In s5, power can be restored by pulling the lower part of the broken column 2 caused to the upper half of the broken column reinforcement pipe 4 with a drawing tool such as a shimmer and fixing with a fastening member 6 such as a band or a wire. It becomes a state.

  Since the breaker pole raising tool of the present invention is provided with guide members for guiding the wire for causing the breaker column at the upper and lower parts of the main body, the breakage fixed to the vicinity of the breakage part of the remaining part on the ground The main body of the broken electric pole is fixed to the column reinforcing pipe, and, for example, a slinging wire is connected to one end of the wire guided by the guide member, and the slunging column is tilted If the other end of the wire is wound up by a winch or the like mounted on the vehicle, the broken column can be caused. If the caused broken column is drawn to the upper half portion of the broken column reinforcing pipe by a drawing tool such as a shimler and fixed with a fastening member 6 such as a band or a wire, power can be restored.

  In another broken electric pole raising tool of the present invention, the main body provided with guide members for guiding the wire for causing the broken pole at the upper part and the lower part is integrally attached to the broken pole reinforcing pipe. The broken column reinforcement pipe is fixed to the portion near the broken portion of the remaining portion on the ground, and, for example, a sling wire is connected to one end of the wire guided by the guide member, and the slung column is collapsed. If the other end of the wire is wound up by a winch or the like mounted on the vehicle, the broken column can be caused. If the caused broken column is drawn to the upper half portion of the broken column reinforcing pipe by a drawing tool such as a shimler and fixed with a fastening member 6 such as a band or a wire, power can be restored.

Hereinafter, a broken pole pole raising tool and a broken pole temporary restoration method using the tool according to the best embodiment of the present invention will be described in detail with reference to the drawings.
[Embodiment 1]
FIG. 1 (a) is a diagram illustrating assembly of a broken electric pole raising tool, (b) is a plan view, and FIG. 2 (a) is a side view of a state where an intermediate broken portion of the electric pole is connected by a broken column reinforcing pipe. (b) is a plan view thereof, (c) is a front view of a broken column reinforcing pipe, (d) is a front view of a mounting bracket (square steel pipe), and FIG. 3 (a) is an explanatory view of a state in which a broken column is caused. (B) is explanatory drawing of the state which temporarily fixed the raised broken pillar to the ground residual part.

  As shown in these figures, this broken pole temporary restoration method causes the broken broken pole 2 to fall on the ground when it breaks at the middle part of the utility pole 1 using the broken pole raising tool H. This is a construction method for enabling power transmission restoration at an early stage by temporarily fixing it to the ground remaining portion 3 remaining in the standing state. The broken electric pole raising tool H is a main body made of a steel pipe fixed along a broken column reinforcing pipe 4 for temporarily fixing the broken column 2 to the ground remaining portion 3 remaining standing on the ground. 5, a support member 9 (91, 92) that is attached to the main body 5 and detachably contacts the broken column reinforcing tube 4, and the support member 9 is fixed in a state of contacting the broken column reinforcing tube 4. Fastening member 6 and guide members 7 and 7 made of pulleys provided at the upper and lower parts of the main body 5 for guiding the wire 8 for causing the broken pillar 2.

  With such a configuration, the lower half portion of the broken column reinforcing pipe 4 is fixed to the portion of the ground remaining portion 3 near the broken portion with, for example, a fastening member 10 such as a band member or a wire (FIGS. 2A and 2B). The main body 5 is fixed by a fastening member 6 such as a band member or a number wire (see FIGS. 1A and 1B) along the broken column reinforcing tube 4, and is guided by the guide members 7 and 7. For example, a slinging wire 18 is connected to one end of the wire 8, and the slinging wire 18 is locked to a portion or the like that intersects the armrest of the broken column 2 (see FIG. 3A). If the other end of the wire 8 is wound up by a winding means such as an in-vehicle winch, the broken column 2 can be caused. If the caused broken column 2 is drawn to the upper half of the broken column reinforcing pipe 4 by a drawing tool such as a shimler and fixed with a fastening member such as a band member or a wire, for example, a temporarily restored state where power transmission is possible (See FIG. 3B).

  The overall configuration will be described in more detail. The support member 9 (91, 92) provided on the main body 5 of the broken electric pole raising tool H is formed in a semicircular arc shape and is a receiving member that contacts the broken column reinforcing pipe 4 91a, 92a and the receiving members 91a, 92a are composed of the main body 5 and supporting legs 91b, 92b. As shown in FIG. 1B, the broken column reinforcing pipe 4 is brought into contact with the receiving members 91a, 92a. In this state, the broken column reinforcing tube 4 and the receiving members 91 a and 92 a are fixed by the fastening member 6, so that the main body 5 can be integrated with the broken column reinforcing tube 4 in a temporarily fixed state. As the fastening member 6, for example, a so-called fixing band with a buckle can be adopted. Further, handles 51 and 51 and a suspension ring 52 are provided on the upper and lower parts of the main body 5.

  As shown in FIGS. 1A and 1B, a support shaft member 71 for rotatably supporting the pulley 7 is fixed to the upper end of the main body 5 by welding or the like, while the lower end of the main body 5 is A support member 72 that rotatably supports the pulley 7 is supported in a freely swingable manner. The support shaft member 72 includes a cylindrical insertion portion 73 having a ring-shaped groove 73 a, and a retaining bolt 74 screwed into the main body 5 in a state where the insertion portion 73 is inserted into the lower end of the main body 5. The pulley 7 can be held in the lower part of the main body 5 in a swingable manner (360 ° turnable) while preventing the pulley 7 from coming off. With such a configuration, when the broken pillar 2 is caused, the wire 8 can be made to correspond to an appropriate direction with respect to the position of the in-vehicle winch disposed on the ground.

  As shown in FIGS. 2A to 2D, the broken column reinforcement pipe 4 includes a plurality of square steel pipes (mounting brackets) 42 fixed to the pipe body via U bolts 41, and the square steel pipe. By fastening the universal band 44 to the fastening rods 43, 43 attached to both sides of the 42, the broken pillar 2 and the ground remaining portion 3 can be fixed as described above. The hooks provided on the upper part of the pipe body after the lower two square steel pipes 42 and 42 shown in (a) are fixed to the ground remaining portion 3 by the free band 44 and the collapsed broken pillar 2 is caused. The lower two square steel pipes 42 and 42 are fixed to the broken pillar 2 by the free band 44 after the drawing tool 45 such as a shimmer is hooked and drawn.

  And the locking hole 46 for suspending with the crane of an aerial work vehicle is provided in the upper end (or lower end) vicinity position of a pipe | tube main body. In addition, receiving members 41a and 41a that contact the power pole 1 (the broken pole 2 and the ground remaining portion 3) are provided at both ends of the U bolt 41, and the broken pole reinforcing pipe 4 is integrated with the power pole 1 in a stable state. (See FIG. 1 (b)). In addition, the weight of the broken electric pole raising tool H is about 65 kg, the weight of the broken pole reinforcing pipe 4 is about 50 kg, and even if the broken electric pole raising tool H and the broken column reinforcing pipe 4 are placed on the bucket, the limit weight is limited. It will never be exceeded.

[Broken column temporary restoration method 1]
Next, the broken column temporary restoration method using the broken electric pole raising tool H as described above will be described with reference to the flowchart shown in FIG. First, the broken electric pole is raised by the fastening member 6 such as a band or a wire on the ground, and the main body 5 of the tool H is fixed to the broken column reinforcing pipe 4 (s1). Next, the broken column reinforcing pipe 4 is lifted together with the broken electric pole raising tool H, for example, in a bucket of an aerial work vehicle, and the position near the broken portion of the remaining ground portion 3 by the fastening member 6 such as a band or a wire. (S2). Next, the slinging wire 18 is connected to one end of the wire 8 guided by the guide members 7 and 7 of the broken tool pole H and intersects with a part of the broken breakable pole 2, for example, the arm metal 2a. It hooks (locks) to the part (see s3, FIG. 3 (a)). Then, the hoisting means 2 (not shown) such as an in-vehicle winch waiting on the other end of the wire 8 causes the hoisting broken pillar 2 (s4), and the lower part of the caused breaking pillar 2 is reinforced with the breaking pillar. When the upper part of the tube 4 is drawn by a drawing tool such as a shimmer (not shown) and fixed with a fastening member 6 such as a band or a wire (s5), power can be restored.

[Embodiment 2]
In the present embodiment, as shown in FIG. 4, the main body 5 is integrated with the broken column reinforcing pipe 4. That is, in this broken electric pole raising tool H, the receiving members 91a and 92a of the two support members 91 and 92 are fixed to the outer peripheral surface of the broken column reinforcing pipe 4 by welding w. According to such a structure, the operation | work for integrating the main body 5 with the broken pillar reinforcement pipe | tube 4 can be skipped.

[Fractured column temporary restoration method 2]
Next, the broken column temporary restoration method using the broken electric pole raising tool H as described above will be described with reference to the flowchart shown in FIG. First, the broken electric pole raising tool H in which the main body 5 is integrated with the broken column reinforcing pipe 4 is lifted in, for example, a bucket of an aerial work vehicle, and the broken column is formed by a fastening member 6 such as a band or a wire. The reinforcing pipe 4 is fixed to the position near the broken part of the remaining ground portion 3 (s11). Next, the slinging wire 18 is connected to one end of the wire 8 guided by the guide members 7 and 7 of the broken tool pole H and intersects with a part of the broken breakable pole 2, for example, the arm metal 2a. It is hooked (locked) on the part that is being carried out (s12). Then, the rolled-up broken column 2 is raised by a winding means (not shown) such as an in-vehicle winch waiting on the other end of the wire 8 on the ground (s13), and the lower part of the broken broken column 2 is reinforced with a broken column. When the upper half of the tube 4 is pulled by a pulling tool such as a shimmer (not shown) and fixed with a fastening member 6 such as a band or a wire (s14), power transmission can be restored.

  It should be noted that the present invention is not limited to the embodiment, and it is free to make design changes and improvements as necessary, as long as it does not depart from the gist of the invention. The main body of the raising tool H may be a steel mold other than the steel pipe, for example, a groove steel. Further, s1 and s2 in FIG. 5 may be interchanged.

(A) is a top view of the broken electric pole raising tool which concerns on Embodiment 1 of this invention, (b) is an assembly corresponding | compatible side view. (A) is a side view of a broken column reinforcing pipe integrated with the broken column and the remaining part on the ground, (b) is a plan view, (c) is a front view of the broken column reinforcing tube, and (d) is a square steel pipe. It is a front view. (A) is explanatory drawing of the state which has caused the broken pillar, (b) is explanatory drawing of the state which temporarily fixed the raised broken pillar to the ground residual part. It is a side view of the broken electric pole raising tool which concerns on Embodiment 2 of this invention. It is a flowchart of the broken pillar temporary restoration construction method 1 of this invention. It is a flowchart of the broken pillar temporary restoration construction method 2 of this invention.

Explanation of symbols

  DESCRIPTION OF SYMBOLS 1 ... Electric pole, 2 ... Broken column, 3 ... Ground remaining part, 4 ... Broken column reinforcement pipe, 5 ... Main body, 6 ... Fastening member, 7 ... Guide member, 8 ... Wire, H ... Broken electric pole raising tool

Claims (5)

A broken column raising tool (H) for causing a broken column (2) broken at an intermediate portion of the utility pole (1),
A broken column reinforcing pipe (4) for temporarily fixing the broken column (2) to the ground remaining part (3) remaining in a standing state on the ground ;
A main body (5) composed of an elongated body fixed along the broken column reinforcing pipe (4) ;
A fastening member (6) for fixing the main body (5) to the broken column reinforcing pipe (4);
Guide members (7) and (7) provided on the upper and lower parts of the main body (5),
A breakage electric pole raising tool comprising: a wire (8) guided by the guide members (7) and (7) to cause the breakage pillar (2). A broken column raising tool (H) for causing a broken column (2) broken at an intermediate portion of the utility pole (1),
A broken column reinforcing pipe (4) for temporarily fixing the broken column (2) to the ground remaining part (3) remaining in a standing state on the ground;
A main body (5) composed of an elongated body fixed in advance via support members (91) and (92) along the broken column reinforcing pipe (4);
Guide members (7) and (7) provided on the upper and lower parts of the main body (5),
A breakage electric pole raising tool comprising: a wire (8) guided by the guide members (7) and (7) to cause the breakage pillar (2). The guide member (7) provided at the lower part of the main body (5) comprises a pulley that is rotatably supported by a support member (72) that is detachably and pivotably attached to the lower part of the main body (5). The breakable electric pole raising tool of Claim 1 or 2 characterized by these. A temporary broken pole for fixing the broken pole (2) broken at the middle part of the utility pole (1) to the ground remaining part (3) using the broken pole pole raising tool (H) according to claim 1 or 3 A restoration method,
A step (s1) of fixing the broken electric pole raising tool (H) to the broken column reinforcing pipe (4);
A step (s2) of fixing the lower half portion of the broken column reinforcing pipe (4) to a portion near the broken portion of the remaining ground portion (3);
A step (s3) of engaging one end of the wire (8) guided by the guide members (7) and (7) of the broken electric pole raising tool (H) with a part of the broken pole (2);
Winding the other end of the wire (8) with a winch to cause the broken pillar (2) (s4);
A step (s5) of fixing the lower part of the caused broken column (2) to the upper half of the broken column reinforcing pipe (4); A temporary broken pole for fixing the broken pole (2) broken at the middle part of the utility pole (1) to the ground remaining part (3) using the broken pole pole raising tool (H) according to claim 2 or 3 A restoration method,
Fixing the lower half portion of the broken column reinforcing pipe (4) to the broken portion vicinity portion of the ground remaining portion (3) (s11);
A step (s12) of engaging one end of the wire (8) guided by the guide members (7) and (7) of the broken electric pole raising tool (H) with a part of the broken pole (2);
Winding the other end of the wire (8) with a winch to cause the broken pillar (2) (s13);
A step (s14) of fixing the lower part of the caused broken column (2) to the upper half of the broken column reinforcing pipe (4);

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