JP2559417Y2 - Telephone pole band - Google Patents

Description

[Detailed description of the invention]

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a power pole band used for mounting a so-called arm tie or the like for supporting an overhead wiring arm on a power pole, or for mounting various articles or members on a power pole. .

[0002]

2. Description of the Related Art Conventionally, in this type of power pole band,
It is known that a plurality of band pieces are formed with bolt insertion holes at the ends thereof, and the ends are overlapped and connected with a connection bolt and a nut. FIG. 5 is a perspective view of a conventional electric pole band showing an example thereof, and FIG. 6 is an exploded perspective view thereof. In the illustrated example, the band B for a utility pole has two band pieces 2 connected to both ends of a band piece 1 having a substantially semicircular arc shape by connecting bolts 3 and nuts 4, respectively.
The other end of the power pole 2 is tightly fixed to the peripheral surface of the utility pole P by tightening the other end with a tightening bolt 5 and a nut 6. A plurality of bolt insertion holes 7 for the connection bolts 3 are provided in each of the band pieces 1 and 2 to be connected to each other, and the bolt insertion holes 7 are selectively aligned to be connected by the connection bolts 3 and the nuts 4. By doing so, the length of the band B can be adjusted according to the circumference of the utility pole P.

[0003]

However, the prior art described above has a problem that the length of the power pole band B cannot be adjusted unless the connecting bolt 3 and the nut 4 are removed from the bolt insertion hole 7. A connecting bolt 3 for connecting the band pieces 1 and 2
When the nut 4 is attached and supported with various articles or the like, for example, an arm tie for supporting an overhead wire arm, the connecting portion of the band pieces 1 and 2 by the connecting bolt 3 and the nut 4 is shown in FIG. As described above, the downward load F is applied, and the band pieces 1 and 2 are bent around the connecting bolt 3 as shown in the figure, causing the band B to be loosened.

[0004] The present invention has been proposed in view of the above problems, and the connecting bolt 3 is inserted through the bolt insertion hole 7 as described above.
The object of the present invention is to enable the length of the band B to be adjusted without removing the nut 4 and to prevent the band pieces 1 and 2 from being bent and the band B from being loosened.

[0005]

In order to achieve the above object, a telephone pole band according to the present invention has the following configuration. That is, in a power pole band in which a bolt insertion hole is formed at each end of a plurality of band pieces and the ends are overlapped and connected by a connection bolt and a nut, at least one band to be connected is provided. Along with providing a band through hole for inserting the other band piece into one piece, the bolt insertion hole is a long hole along the band longitudinal direction, and a plurality of concave grooves are formed on band side edges on both sides of the long hole, Inserting the other band piece into the band through hole and superposing the two band pieces, aligning the bolt insertion hole and the concave groove of each band piece with each other, and inserting a connection bolt into the bolt insertion hole, A locking claw integrally provided on the head of the connection bolt is engaged with the concave groove, and a nut is screwed onto the connection bolt to be fixedly fastened.

[0006]

In the power pole band according to the present invention, the other band pieces are overlapped by inserting the other band piece into the band through hole formed in at least one of the band pieces to be connected to each other as described above. The bolt insertion hole and the concave groove are aligned with each other, and a connection bolt is inserted into the bolt insertion hole, and a locking claw integrally provided on the head of the connection bolt is engaged with the concave groove, A nut is screwed onto the connection bolt to tighten and fix it. Since the insertion hole of the connection bolt is elongated, the length of the band can be adjusted without removing the connection bolt and the nut. Also, the other band piece is inserted into the band through hole formed in one band piece, and the locking claw integrally provided on the head of the connecting bolt is engaged with the concave groove formed on the side edge of the band. With this configuration, it is possible to prevent the band pieces connected to each other from being bent as in the related art.

[0007]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, a power pole band according to the present invention will be described in detail with reference to the embodiments shown in the drawings. FIG. 1 is a perspective view showing an embodiment of a telephone pole band according to the present invention, and FIG. 2 is an exploded perspective view thereof. Members having the same functions as those of the conventional example are denoted by the same reference numerals.

In the illustrated example, the pole B for a utility pole is connected to the other end of a pair of band pieces 1.1 hinged to each other by a connecting pin 8 and to one end of another band piece 2.2 by a connecting bolt 3 and a nut 4. In addition to the connection, the other ends of the band pieces 2 and 2 are tightened with tightening bolts 5 and nuts 6. In FIG. 2, reference numeral 8a denotes a clip for preventing the connection pin 8 from coming off.

The other band piece 1 of each of the band pieces 2
A band through-hole 9 is formed at the end on the side of connection with the band, and the band piece 1 is passed through the band through-hole 9. The band through hole 9 is formed to be equal to or slightly larger than the width of the band piece 1. The bolt insertion holes 7 of the connection bolts 3 are elongated holes parallel to the longitudinal direction of the band, and a plurality of grooves 10 are formed on the side edges of the band on both sides of the elongated holes. A pair of upper and lower engaging claws 11 are integrally provided on the head of the connecting bolt 3. In FIG. 2, reference numeral 12 denotes a washer, which is provided as necessary.

The telephone pole band B constructed as described above
Is attached to the utility pole P, as shown in FIG. 3, the band pieces 1.1 are connected in advance by connecting pins 8, and a clip 8a is inserted through a small hole 8b (see FIG. 2) formed in the connecting pin 8. To keep it in place. Each of the above band pieces 1
The other end of the band piece 1 is inserted into a band through hole 9 formed in the other band piece 2, the band pieces 1 and 2 are overlapped, and a bolt insertion hole (a long hole) 7 formed in the band pieces 1 and 2. And the concave groove 10 are aligned with each other, the connecting bolt 3 is inserted into the bolt insertion hole 7, and the locking claw 11 formed on the bolt head is engaged with the concave groove 10. Then, a washer 12 is fitted to the connection bolt 3 as necessary, and the nut 4 is screwed in to fix it.

In this state, the power pole band B is arranged at a predetermined position on the power pole, and the other ends of the band pieces 2, 2 are tightened with tightening bolts 5 and nuts 6, as shown in FIG. Is mounted on the peripheral surface of the utility pole P. At this time, if it is necessary to adjust the length of the power pole band B, the length can be adjusted without removing the connecting bolts 3 and the nuts 4. That is, the nut 4 screwed into the connecting bolt 3 is loosened, and the two band pieces 1 and 2 are displaced from each other so that the other grooves 10 coincide with each other. Then, the engaging claw 11 of the connecting bolt 3 may be engaged with the concave groove 10 to fasten the nut 4.

The above-mentioned power pole band B is, for example, shown in FIG.
Arm tie T supporting an overhead wiring arm A as shown in FIG.
Is mounted and supported using the connection bolts 3 and the nuts 4, a downward load is applied to the connection between the band pieces 1 and 2 by the bolts 3 and the nuts 4, but the band piece 1 is connected to the other side. Band through hole 9 formed in band piece 2
And the engaging claw 11 formed on the head of the connecting bolt 3 is engaged with the concave groove 10, so that the two band pieces 1 and 2 are bent at the connecting portion as in the conventional case. It can be prevented. In FIG. 4, W is an electric wire, and G is an insulator.

Although the band through-hole 9 is provided in the band piece 2 in the above-described embodiment, it may be provided in the other band piece 1 or in both. Further, the pole pole band B in the illustrated example is composed of four band pieces 1, 1, 2, 2. However, the number and the like are arbitrary, and for example, the band piece 1 hinged with the connecting pin 8 as shown in the illustrated example. -Instead of 1, a substantially semi-arc-shaped band piece as in the above-described conventional example can be used.

The mounting structure of the tightening bolts 5 and the nuts 6 on the band pieces 2 is appropriate, but the insertion holes 13a and 13a of the tightening bolts 5 formed in the two band pieces 2 as shown in FIG. 13b, at least one of 13b
When it is formed in a substantially U-shape with one end open as shown in the figure,
As shown in FIG. 3, a nut 6 is screwed in advance to a tightening bolt 5 and carried on a utility pole.
Can be engaged by simply screwing the tightening bolt 5 or the nut 6 into the substantially U-shaped insertion hole 13b. In this case, if a nut 6 or a retaining projection 14 which comes into contact with the side surface of the head of the tightening bolt 5 or the like is provided at the opening of the U-shaped insertion hole 13b, the shaft of the tightening bolt 5 is Inadvertent detachment from the opening side of the U-shaped insertion hole 13b can be prevented.

[0015]

As described above, the electric pole band B according to the present invention is constructed by inserting the other band piece 1 into the band through hole 9 formed in at least one of the band pieces 2 to be connected to each other. 2 are overlapped, the connecting bolt insertion holes 7 of the respective band pieces 1 and 2 are aligned with the concave grooves 10, and the connecting bolts 3 are inserted into the bolt inserting holes 7; The engaging claw 11 provided integrally with the portion is engaged with the concave groove 10, and the connecting bolt 3
The nut 4 is screwed into the nut and tightened and fixed. Since the insertion hole 7 of the connection bolt 3 is elongated, the connection bolt 3
-The length of the telephone pole band B can be adjusted without removing the nut 4. Further, the other band piece 1 is inserted through a band through hole 9 formed in one band piece 2 and the connecting bolt 3
The locking claw 11 provided integrally with the head of the band is engaged with the concave groove 10 formed in the side edge of the band. Can be prevented, and the band pieces 1 and 2 can be prevented from being slackened by the refraction of the band pieces 1 and 2 as in the related art.

[Brief description of the drawings]

FIG. 1 is a perspective view showing an embodiment of a telephone pole band according to the present invention.

FIG. 2 is an exploded perspective view of the power pole band according to the embodiment.

FIG. 3 is a perspective view of a state in which the telephone pole band is temporarily assembled.

FIG. 4 is a perspective view showing a state in which the above-mentioned power pole band is used for attaching an arm tie.

FIG. 5 is a perspective view of a conventional telephone pole band.

FIG. 6 is an exploded perspective view of a telephone pole band according to the conventional example.

FIG. 7 is a front view showing a state in which the electric pole band in the conventional example is mounted.

FIG. 8 is a front view showing a state in which a band piece is bent in the conventional example.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1, 2 Band piece 3 Connection bolt 4 Nut 5 Tightening bolt 6 Nut 7 Bolt insertion hole 9 Band through hole 10 Concave groove 11 Locking claw B Power pole band P Power pole

Claims (3)

(57) [Scope of request for utility model registration] 1. A power pole band in which bolt insertion holes are formed at ends of a plurality of band pieces, and the ends are overlapped and connected by a connecting bolt and a nut. One band piece is provided with a band through hole for inserting the other band piece, and the bolt insertion hole is a long hole along the longitudinal direction of the band, and a plurality of concave grooves are respectively provided on band side edges on both sides of the long hole. Then, the other band piece is inserted into the band through hole and the two band pieces are overlapped, and the bolt insertion hole and the concave groove of each band piece are aligned with each other, and a connecting bolt is inserted into the bolt insertion hole. And a locking claw integrally provided on the head of the connection bolt is engaged with the concave groove, and a nut is screwed into the connection bolt to be fixedly tightened. Band. 2. The other end of one of the band pieces connected by the connection bolt and the nut is connected by a fastening bolt and a nut, and the other one of the band pieces to be connected by the fastening bolt and the nut is connected. By forming at least one of the fastening bolt insertion holes in a substantially U-shape with one end opened,
The power pole band according to claim 1, wherein a shaft portion of the tightening bolt can be inserted into the tightening bolt insertion hole while a nut is screwed in the tightening bolt in advance. 3. The opening of the substantially U-shaped fastening bolt insertion hole engages with a head or a nut of the fastening bolt, and a shaft portion of the fastening bolt extends from the fastening bolt insertion hole. 3. The telephone pole band according to claim 2, further comprising a retaining projection for preventing detachment.