JP2005245080A - Electric wire contact prevention device - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide an electric wire contact prevention device capable of avoiding contact between a ground stay for supporting a pole and an electric wire. <P>SOLUTION: The electric wire contact prevention device comprises: a first separation plate 3a and a second separation plate 3b respectively having a first connecting portion 31 and a second connecting portion 32 positioned at a predetermined distance from each other; a first connecting wire 4a that connects together the first connecting portion 31 of the first separation plate 3a and the first connecting portion 31 of the second separation plate 3b; a second connecting wire 4b that connects together the second connecting portion 32 of the first separation plate 2a and the second connecting portion 32 of the second separation plate 3b; a first twist preventer 5a installed at some midpoint between the first connecting portion 31 and the second connecting portion 32 of the first separation plate 3a; and a second twist preventer 5b installed at some midpoint between the first connecting portion 31 and the second connecting portion 32 of the second separation plate 3b. <P>COPYRIGHT: (C)2005,JPO&NCIPI

Description

  The present invention relates to an electric wire contact prevention device for preventing an electric wire from contacting a ground support line for supporting a utility pole in a distribution line facility.

Generally installed distribution line facilities will be described with reference to the figure.
FIG. 4 shows a distribution line facility in which a high voltage line (insulated electric wire) 11 is suspended from a utility pole 10 and a low voltage line 12 and a high voltage line (cable) 11b are suspended. In such a distribution line facility, in order to support the utility pole 10, a ground support line 14 is connected to a fixture 13 attached to the utility pole and one end is connected to the other end in the ground. The ground support line 14 is tensioned to the opposite side of the suspension direction of the high-voltage line (insulated electric wire) 11 in order to oppose the tension by the heavy high-voltage line (insulated electric wire) 11.

  However, as shown in FIG. 4, when the low voltage line 12 and the high voltage line (cable) 11b are suspended on the opposite side to the high voltage line (insulated electric wire) 11 on the utility pole 10, the low voltage line 12 and the high voltage line (cable). 11b may come into contact with the ground support line 14. If there is a risk of electric shock due to the low-voltage line 12 or the high-voltage line (cable) 11b coming into contact with the ground support line 14 and leakage, there is a risk of excessive potential gradient in the vicinity of the ground of the ground support line 14. It is stipulated that the ball insulator 15 is inserted into the upper portion of 14 for electrical insulation. Further, in order to prevent contact between the low-voltage line 12 or the high-voltage line (cable) 11b and the ground support line 14, an insulator is attached to the low-voltage line 12 or the high-voltage line (cable) 11b, and the low-voltage line 12 or the high-voltage line (cable). 11b and the branch line 14 are also separated.

  Thus, the above-mentioned rule is a countermeasure when the electric wire comes into contact with the ground support line, and a countermeasure for preventing the electric wire from contacting the ground support line is desired.

  This invention is made | formed in view of the said fact, The main technical subject is to provide the electric wire contact prevention apparatus which can avoid the contact with the ground support line which supports an electric pole, and an electric wire.

In order to solve the above technical problem, according to the present invention, an electric wire contact preventing device disposed on a ground support line supporting a power pole,
A first separation plate and a second separation plate each having a first connection portion and a second connection portion at a predetermined interval;
A first connecting wire for connecting the first connecting portion of the first separating plate and the first connecting portion of the second separating plate to each other;
A second connecting wire for connecting the second connecting portion of the first separating plate and the second connecting portion of the second separating plate to each other;
A first torsion preventer attached to an intermediate portion between the first connection portion and the second connection portion in the first separation plate;
A second anti-twisting device attached to an intermediate portion between the first connecting portion and the second connecting portion of the second separation plate;
A first anti-twisting device is connected to the utility pole side, and a second anti-twisting device is connected to the ground support line;
An electric wire contact prevention device is provided.

  It is desirable that an insulating member is attached to the outer periphery of the first connecting wire and the second connecting wire.

  According to the electric wire contact prevention device of the present invention, a separation space is formed between the first connection wire and the second connection wire that connect the first separation plate and the second separation plate to each other, and this separation space. By passing the electric wire through the wire, contact with the ground support line of the electric wire is prevented. In the present invention, since the first torsion preventer and the second torsion preventer are attached to the first separation plate and the second separation plate, respectively, when the ground support line is stretched by the pulling tool. Even if the wire contact preventing device is twisted, the direction can be very easily adjusted by the function of the twist preventing device.

  Hereinafter, a preferred embodiment of a wire contact prevention device constructed according to the present invention will be described in more detail with reference to the accompanying drawings.

FIG. 1 shows a distribution line facility including an electric wire contact prevention device 2 configured according to the present invention. In addition, the same code | symbol is attached | subjected to the same member as each member which comprises the distribution line equipment shown in the said figure, and the description is abbreviate | omitted.
In the illustrated embodiment, the electric wire contact prevention device 2 configured according to the present invention is disposed between a first ground support line 14a on the power pole 10 side and a second ground support line 14b on the ground side. The wire contact preventing device 2 will be described with reference to FIGS. 2 and 3. As shown in FIG. 2, the electric wire contact prevention device 2 in the illustrated embodiment connects the first separation plate 3a and the second separation plate 3b, and the first separation plate 3a and the second separation plate 3b. The first connecting wire 4a and the second connecting wire 4b, and the first twist preventing device 5a attached to the first separation plate 3a and the second twist preventing device 5b attached to the first separation plate 3b. It is made up of.

  Each of the first separation plate 3a and the second separation plate 3b includes a first connection portion 31 and a second connection portion 32 at a predetermined interval, and the first connection portion 31 and the second separation plate 3b. An anti-twisting device attaching portion 33 is provided at an intermediate portion between the connecting portion 32 and the connecting portion 32. The first separation plate 3a and the second separation plate 3b, and the first torsion preventing device 5a and the second torsion preventing device 5b have substantially the same configuration. Accordingly, the first and second separation plates 3a and 3b, the first torsion preventer 5a and the second torsion preventer 5b will be described with reference to FIG. To do. As shown in FIG. 4, holes 34 are respectively provided in the first connection portion 31 and the second connection portion 32 of the first separation plate 3a and the second separation plate 3b. 1 is shown), the torsion prevention device mounting portion 33 is provided with a hole 35.

  Wire fittings 6 are respectively attached to the first connection portion 31 and the second connection portion 32 of the first separation plate 3a and the second separation plate 3b. The wire fitting 6 includes a pair of side plates 61 and 62 disposed at a predetermined interval, and a tubular wire winding member 63 disposed between one end portions of the pair of side plates 61 and 62. Mounting ends 631 and 631 are formed at both ends of the wire winding member 63, and the mounting and fitting portions 631 and 631 are fitted into holes 612 and 622 provided in the pair of side plates 61 and 62, respectively. By doing so, it is attached to the pair of side plates 61 and 62. Holes 611 and 621 are provided at the other ends of the pair of side plates 61 and 62 constituting the wire winding member 63. In the wire fitting 6 configured in this way, the other end portions of the pair of side plates 61 and 62 are connected to the first connection portion 31 and the second connection portion 32 of the first separation plate 3a and the second separation plate 3b. , Holes 611 provided in the side plate 61, holes provided in the first connection part 31 and the second connection part 32 of the first separation plate 3a and the second separation plate 3b. 34, bolts 65 are respectively inserted through holes 621 provided in the side plate 62, and nuts 66 are screwed into the bolts 65 to be attached to the first separation plate 3a and the second separation plate 3b.

  As shown in FIG. 3, the first connecting wire 4a and the second connecting wire 4b are provided with attachment loops 41 and 42 at both ends, respectively. The first connecting wire 4a and the second connecting wire 4b configured in this way are connected to the first connecting portion of the first separating plate 3a and the second separating plate 3b through the attachment loop 41 formed at one end, respectively. 31 is wound around the wire winding member 63 of the wire attachment fitting 6 respectively attached thereto, and the attachment loops 42 formed at the other ends are respectively connected to the second connection portions of the first separation plate 3a and the second separation plate 3b. The first separation plate 3a and the second separation plate 3b are connected to each other by being wound around the wire winding member 63 of the wire attachment fitting 6 attached to each of 32. Accordingly, a separation space 20 is formed in a region surrounded by the first separation plate 3a and the second separation plate 3b, the first connection wire 4a, and the second connection wire 4b.

  The first torsion preventer 5a and the second torsion preventer 5b are provided with support means 51 for mounting on the torsion preventer mounting portion 33 of the first separation plate 3a and the second separation plate 3b as shown in FIG. The attachment means 52 and the connecting bolt 53 for connecting the support means 51 and the attachment means 52 are provided. The support means 51 includes a pair of side plates 511 and 512, and a U-shaped attachment member 513 fixed to one end of the pair of side plates 511 and 512 by fixing means such as welding. Holes 511a and 512a are provided in the other end of the pair of side plates 511 and 512 constituting the support means 51, and a hole 513a is provided in the bottom wall of the U-shaped attachment member 513. The support means 51 configured as described above is arranged such that the other end portions of the pair of side plates 511 and 512 sandwich the torsion preventer mounting portion 33 of the first separation plate 3a and the second separation plate 3b. The bolt 54 is inserted through the hole 511a provided in the side plate 511, the hole 35 provided in the torsion preventer mounting portion 33 of the first separation plate 3a and the second separation plate 3b, and the hole 512a provided in the side plate 512. The nut 55 is screwed onto the fastening bolt 51 to be attached to the first separation plate 3a and the second separation plate 3b.

  The mounting means 52 includes a pair of side plates 521 and 522, a nut 523 fixed to one end of the pair of side plates 521 and 522 by fixing means such as welding, and a bolt to the other end of the pair of side plates 521 and 522. 524 and a wire winding member 526 attached by a nut 525. Holes 521a and 522a are provided in the other end portions of the pair of side plates 521 and 522. The hole 521a provided in the side plate 521, the hole 526a provided in the wire winding member 526, and the hole provided in the side plate 522. The wire winding member 526 is attached to the pair of side plates 521 and 522 by inserting the bolt 524 through 522 a and screwing the nut 525 into the bolt 524. The attachment means 52 configured as described above is configured such that the connection bolt 53 disposed through the hole 513a provided in the bottom wall of the U-shaped attachment member 513 constituting the support means 51 is connected to the pair of side plates 521. By being screwed into a nut 523 fixed to 522, it is connected to the support means 51. Thus, the support means 51 and the attachment means 52 connected by the connection bolt 53 can relatively rotate along the outer periphery of the connection bolt 53.

  As shown in FIGS. 1 and 2, the electric wire contact preventing device 2 configured as described above is connected to the first ground support line 14 a on the power pole 10 side and the second ground support line 14 b on the ground side. That is, the lower end of the first ground support line 14a is wound around the wire winding member 526 of the mounting means 52 constituting the first twist prevention device 5a, and the wire winding of the mounting means 52 constituting the second twist prevention device 5b. The upper end of the second ground support line 14b is wound around the turning member 526. Then, the second ground support line 14b is stretched by a known pulling tool. At this time, since the first ground support line 14a and the second ground support line 13b are formed of stranded wires, the wire contact prevention device 2 rotates. However, when the tension is finally adjusted, the first separation plate 3a is rotated. And the direction is adjusted by rotating the 2nd separation plate 3b along the outer periphery of the connection volt | bolt 53. FIG. In the illustrated embodiment, a wire winding member 526 is attached to a pair of side plates 521 and 522 that constitute the attachment means 52 of the first twist preventer 5a, and the wire winding member 526 has a first ground. Although the example which winds the lower end of the branch line 14a was shown, the attachment 13 by which the other end part of a pair of side plate 521,522 was mounted | worn with the utility pole 10, without mounting | wearing with a pair of side plate 521,522. You may attach directly to.

As described above, between the first connection wire 4a and the second connection wire 4b of the wire contact prevention device 2 disposed between the first ground support line 14a and the second ground support line 14b. In the illustrated embodiment, the low voltage line 12 and the high voltage line (cable) 11b are passed through the formed separation space 20. Therefore, the low voltage line 12 and the high voltage line (cable) 11b are prevented from coming into contact with the first connection wire 4a and the second connection wire 4b. Insulating members 7 and 7 are attached to the outer periphery of the portion where the low voltage line 12 and the high voltage line (cable) 11b are inserted in the first connection wire 4a and the second connection wire 4b. Even if the wire (cable) 11b greatly fluctuates due to wind or the like, it will not leak even if it contacts the insulating members 7,7.
In the illustrated embodiment, the electric wire contact prevention device 2 configured according to the present invention is disposed between a first ground support line 14a on the power pole 10 side and a second ground support line 14b on the ground side. The electric wire contact preventing device 2 will be described with reference to FIGS. 2 and 3. As shown in FIG. 2, the electric wire contact prevention device 2 in the illustrated embodiment connects the first separation plate 3a and the second separation plate 3b, and the first separation plate 3a and the second separation plate 3b. The first connecting wire 4a and the second connecting wire 4b, and the first twist preventing device 5a attached to the first separation plate 3a and the second twist preventing device 5b attached to the first separation plate 3b. It is made up of.

The schematic structure perspective view of the distribution line equipment equipped with the electric wire contact prevention apparatus comprised by this invention. The top view of the electric wire contact prevention apparatus comprised by this invention. The principal part side view of the electric wire contact prevention apparatus shown in FIG. The schematic structure perspective view of the distribution line equipment used conventionally.

Explanation of symbols

2: Electric wire contact prevention device 3a: 1st separation plate 3b: 2nd separation plate 31: 1st connection part 32: 2nd connection part 33: Torsion prevention device attachment part 4a: 1st connection wire 4b: 2nd connecting wire 5a: 1st twist prevention device 5b: 2nd twist prevention device 6: Wire attachment metal fitting 7: Insulation member 10: Utility pole 11: High voltage wire (insulated electric wire)
11b: High voltage line (cable)
12: Low voltage line 13: Mounting tool 14a: First branch line 14b: Second branch line

Claims (2)

An electric wire contact prevention device disposed on a ground support line supporting a power pole,
A first separation plate and a second separation plate each having a first connection portion and a second connection portion at a predetermined interval;
A first connecting wire for connecting the first connecting portion of the first separating plate and the first connecting portion of the second separating plate to each other;
A second connecting wire for connecting the second connecting portion of the first separating plate and the second connecting portion of the second separating plate to each other;
A first torsion preventer attached to an intermediate portion between the first connection portion and the second connection portion in the first separation plate;
A second anti-twisting device attached to an intermediate portion between the first connecting portion and the second connecting portion of the second separation plate;
A first anti-twisting device is connected to the utility pole side, and a second anti-twisting device is connected to the ground support line;
An electric wire contact prevention device characterized by that.   The electric wire contact prevention apparatus of Claim 1 with which the insulating member is mounted | worn with the outer periphery of the 1st connection wire and the 2nd connection wire.

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