JPH0644998U - Utility pole band - Google Patents

Abstract

(57) [Abstract] [Purpose] A utility pole band in which bolt insertion holes are formed at the ends of a plurality of band pieces, and the ends are overlapped and connected by connecting bolts and nuts. An object of the present invention is to make it possible to adjust the band length without removing the connecting bolts and nuts, and to prevent the connected band pieces from bending and loosening the band. [Structure] The other band piece 1 is inserted into a band through hole 9 formed in at least one band piece 2 of the band pieces 1 and 2 to be connected to each other, and the two band pieces 1 and 2 are overlapped. The connecting bolt insertion hole 7 of the above is made an elongated hole along the longitudinal direction of the band, and the elongated hole and the plurality of recessed grooves 10 formed respectively at the side edges of the band on both sides of the elongated hole are aligned with each other to make the bolt insertion hole 7 The locking claw 1 which is provided integrally with the head of the connecting bolt 3 while inserting the connecting bolt 3 into the
1 is engaged with the recessed groove 10, and a nut 4 is screwed onto the connecting bolt 3 so as to be fixed by tightening.

Description

[Detailed description of the device]

[0001]

[Industrial applications]

 The present invention relates to a utility pole band used, for example, when attaching a so-called arm tie or the like for supporting an armature for overhead wiring on a utility pole, or when mounting various articles or members on the utility pole.

[0002]

[Prior art]

 Conventionally, in this type of utility pole band, a bolt insertion hole is formed at each end of a plurality of band pieces, and the ends are overlapped and connected by a connecting bolt and a nut. ing. FIG. 5 is a perspective view of a conventional utility pole band showing an example thereof, and FIG. 6 is an exploded perspective view thereof. The electric pole band B of the illustrated example is such that the other band pieces 2 and 2 are connected to both ends of the substantially semi-circular band piece 1 by connecting bolts 3 and nuts 4, respectively. The end is tightened with the tightening bolt 5 and the nut 6 so as to be tightly fixed to the peripheral surface of the electric pole P. A plurality of bolt insertion holes 7 of the connecting bolt 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 so that the connecting bolt 3 and the nut 4 can be connected. By connecting them, the length of the band B can be adjusted according to the circumference of the electric pole P.

[0003]

[Problems to be solved by the device]

 However, the above-mentioned conventional device has a problem that the length of the utility pole band B cannot be adjusted unless the connecting bolt 3 and the nut 4 are removed from the bolt insertion hole 7. Further, when attaching various articles or the like, for example, an arm tie or the like for supporting a wire for aerial wiring to the connecting bolt 3 and nut 4 for connecting the band pieces 1 and 2, the connecting bolt 3 and nut 4 are used. A downward load F is applied to the connecting portion of the band pieces 1 and 2 as shown in FIG. 8, and the band pieces 1 and 2 bend as shown in the figure with the connecting bolt 3 as a fulcrum, causing the band B to loosen. There was a problem such as becoming.

The present invention has been proposed in view of the above problems, and makes it possible to adjust the length of the band B without removing the connecting bolt 3 and the nut 4 from the bolt insertion hole 7 as described above. At the same time, it is intended to prevent the band pieces 1 and 2 from being bent and the band B from being loosened.

[0005]

[Means for Solving the Problems]

 In order to achieve the above object, the utility pole band according to the present invention has the following configuration. That is, in a pole pole band in which bolt insertion holes are formed at the ends of a plurality of band pieces, and the ends are overlapped and connected by connecting bolts and nuts, at least one band to be connected. A band insertion hole for inserting the other band piece is provided in one piece, and the bolt insertion hole is made into an elongated hole along the longitudinal direction of the band, and a plurality of concave grooves are formed on both side edges of the elongated hole. Insert the other band piece into the band through hole and overlap both band pieces, align the bolt insertion hole and the groove of each band piece, and insert the connecting bolt into the bolt insertion hole. At the same time, a locking claw integrally provided on the head of the connecting bolt is engaged with the concave groove, and a nut is screwed onto the connecting bolt so as to be fixed by tightening.

[0006]

[Action]

 The utility pole band according to the present invention is such that the other band piece is inserted through the band through hole formed in at least one band piece to be connected to each other as described above, and both band pieces are overlapped with each other, and the bolts of each band piece are connected. Insert the connecting bolt into the bolt insertion hole by aligning the insertion hole with the recessed groove, and engage the locking claw integrally provided on the head of the connection bolt with the recessed groove to connect the connection bolt. The bolt has a structure in which a nut is screwed into the bolt to fix the band. Since the insertion hole of the connecting bolt is a long hole, the length of the band can be adjusted without removing the connecting bolt and the nut. Also, insert the other band piece into the band through hole formed in one band piece, and engage the locking claw integrally provided on the head of the connecting bolt with the groove formed on the side edge of the band. By doing so, it becomes possible to prevent the band pieces connected to each other from being bent as in the conventional case.

[0007]

【Example】

 Hereinafter, the utility 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 utility pole band according to the present invention, and FIG. 2 is an exploded perspective view of the same. The members having the same functions as those of the conventional example are designated by the same reference numerals. .

The electric pole band B in the illustrated example has a pair of band pieces 1.1 hingedly connected to each other by a connecting pin 8, and the other end of each band piece 2.2 connected to the other end by a connecting bolt 3 and a nut 4. In addition to being connected, 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 indicates a clip for preventing the connecting pin 8 from coming off.

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

When the utility pole band B configured as described above is attached to the utility pole P, as shown in FIG. 3, the band pieces 1 and 1 are previously connected by the connecting pin 8 and formed on the connecting pin 8. The clip 8a is inserted into the small hole 8b (see FIG. 2) and retained and retained. Further, the other end of each of the above band pieces 1.1 is inserted into the band through hole 9 formed in the other band piece 2, and both band pieces 1 and 2 are overlapped with each other to form a bolt formed on both band pieces 1 and 2. The insertion hole (long hole) 7 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. Let Then, the washer 12 is fitted to the connecting bolt 3 as needed, and the nut 4 is screwed in and fixed by tightening.

In that state, the above-mentioned utility pole band B is arranged at a predetermined position on the utility pole, and the other end of the above-mentioned band pieces 2 and 2 is tightened with the tightening bolts 5 and the nuts 6. Thus, it is attached to the peripheral surface of the electric pole P. At this time, if the length of the utility pole band B needs to be adjusted, the length can be adjusted without removing the connecting bolt 3 and the nut 4. That is, the nut 4 screwed into the connecting bolt 3 is loosened, and the band pieces 1 and 2 are displaced from each other so that the other recessed grooves 10 are aligned with each other. Then, the engaging claw 11 of the connecting bolt 3 may be engaged with the groove 10 to tighten the nut 4.

In addition, for example, when an arm tie T for supporting an overhead wire arm A as shown in FIG. 4 is attached to and supported by the electric pole band B using the connecting bolt 3 and the nut 4, as shown in FIG. A downward load is applied to the connecting portion of the band pieces 1 and 2 by the bolt 3 and the nut 4, but the band piece 1 is inserted into the band through hole 9 formed in the other band piece 2 and the connecting bolt is Since the locking claws 11 formed on the head portion of 3 are engaged with the concave groove 10, it is possible to prevent the both band pieces 1 and 2 from being bent at their connecting portions as in the conventional case. 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 embodiment, it may be provided in the other band piece 1 or in both of them. The electric pole band B in the illustrated example is composed of four band pieces 1, 1, 2 and 2. However, the number of the band pieces is arbitrary, and for example, the band piece is hinged by the connecting pin 8 as in the illustrated example. Instead of 1.1, it is also possible to use a substantially semi-circular band piece as in the conventional example.

Further, the mounting structure of the tightening bolts 5 and the nuts 6 to the band pieces 2.2 is appropriate, but the insertion holes 13a of the tightening bolts 5 formed in both band pieces 2.2 as shown in the figure.・ If at least one of 13b is formed in a substantially U shape with one end opened as shown in the figure, the nut 6 is pre-screwed on the tightening bolt 5 as shown in FIG. It can be carried and carried on the utility pole by simply engaging the tightening bolt 5 with the above-mentioned U-shaped insertion hole 13b and screwing in the tightening bolt 5 or the nut 6. Further, in that case, if the nut 6 or the protrusion 14 for preventing coming in contact with the side surface of the head portion of the tightening bolt 5 is provided in the opening of the U-shaped insertion hole 13b, the shaft portion of the tightening bolt 5 is provided. Can be prevented from being accidentally detached from the opening side of the U-shaped insertion hole 13b.

[0015]

[Effect of device]

 As described above, in the utility pole band B according to the present invention, the other band pieces 1 and 2 are stacked by inserting the other band piece 1 into the band through hole 9 formed in at least one band piece 2 to be connected to each other. Then, the connecting bolt insertion holes 7 of the respective band pieces 1 and 2 are aligned with the recessed grooves 10, the connecting bolt 3 is inserted into the bolt insertion hole 7, and is integrated with the head of the connecting bolt 3. A locking claw 11 that is provided in a special manner is engaged with the concave groove 10 and a nut 4 is screwed into the connecting bolt 3 for tightening and fixing. The insertion hole 7 of the connecting bolt 3 is a long hole. Therefore, the length of the utility pole band B can be adjusted without removing the connecting bolt 3 and the nut 4. Further, the other band piece 1 is inserted into the band through hole 9 formed in the one band piece 2, and the locking claw 11 integrally provided on the head of the connecting bolt 3 is formed on the side edge of the band. Since the groove pieces 10 are engaged with each other, it is possible to prevent the band pieces 1 and 2 connected to each other from being bent as in the conventional case, and the band pieces 1 and 2 are bent as in the conventional case. This has the effect of preventing the utility pole band from loosening.

[Brief description of drawings]

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

FIG. 2 is an exploded perspective view of a telephone pole band according to the above embodiment.

FIG. 3 is a perspective view showing a state in which the electric pole band is temporarily assembled.

FIG. 4 is a perspective view of the electric pole band used for mounting an arm tie.

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

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

FIG. 7 is a front view of an attached state of a utility pole band in the conventional example.

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

[Explanation 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 Recessed groove 11 Locking claw B Utility pole band P Utility pole

Claims (3)

[Scope of utility model registration request] 1. A utility 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 connecting bolt and a nut. A band through hole for inserting the other band piece is provided in one band piece, and the bolt insertion hole is formed as an elongated hole along the longitudinal direction of the band, and a plurality of concave grooves are formed on both side edges of the elongated hole. Insert the other band piece into the band through hole and overlap both band pieces, align the bolt insertion hole and the groove of each band piece respectively, and insert the connecting bolt into the bolt insertion hole. The utility pole is characterized in that a locking claw integrally provided on the head of the connecting bolt is engaged with the concave groove, and a nut is screwed onto the connecting bolt to tighten and fix the utility pole. For band. 2. A structure in which the other end of one of the band pieces connected by the connecting bolt and the nut is connected by a tightening bolt and a nut, and both band pieces to be connected by the tightening bolt and the nut are connected. By forming at least one tightening bolt insertion hole in a substantially U shape with one end side opened,
2. The utility pole band according to claim 1, wherein a shaft portion of the tightening bolt can be inserted into the tightening bolt insertion hole while the nut is screwed into the tightening bolt in advance. 3. A shaft portion of the tightening bolt is engaged with a head portion or a nut of the tightening bolt at an opening portion of the substantially U-shaped tightening bolt insertion hole so that the shaft portion of the tightening bolt extends from the tightening bolt through hole. The utility pole band according to claim 2, further comprising a retaining projection that prevents the retaining pole from coming off.