JPH0750810Y2 - Branch hardware for overhead lines - Google Patents

Description

[Detailed description of the device]

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an overhead wire branch metal fitting to be installed in the middle of a messenger wire stretched between utility poles in order to branch the power cable in the other direction between utility poles or to change the direction of the overhead wire.

[0002]

2. Description of the Related Art Conventionally, as shown in FIG. 7, a metal fitting of this type is provided with bolt insertion holes 2 and 2 at one side corner of a substantially rectangular stopper fitting main body 1 as well. A wire fastening groove 3 having a semicircular cross section is formed in the vicinity of the bolt insertion holes 2 and 2 in parallel with the side edge, and oval notches 4 and 4 are formed at the corners on the other side to form the side edge. Forming hook lock parts 5, 5 that are bent in a semi-circular shape and raised, the bolt insertion holes 2, 2
A U-bolt-shaped binding body 6 to be inserted into the hook lock portions 5 and 5 is provided, and nuts 7 and 7 are respectively screwed into screw portions formed at both ends of the binding body 6. The binding body 6 has a U-shaped branch portion 8 and is bent and formed in a substantially L-shape in the vicinity of both ends, and particularly, a portion facing the wire retaining groove 3 is bent into an arcuate pressing portion 9, 9. Has been formed.

Therefore, when the messenger wire 10 is fastened and fixed in the wire tightening groove 3, the nuts 7 are removed and the branch portion 8 of the tight binding body 6 is cut through the cut portions 4 and 4 in the state shown in the drawing. And lower both ends of the binding body 6 from the bolt insertion holes 2 and 2 to messenger wire 1
When 0 is fitted in the wire tightening groove 3, both ends of the binding body 6 are again inserted into the bolt insertion holes 2 and 2, and the nuts 7 are screwed to be fixed by tightening.

When the fastener body 1 and the binding body 6 are separated separately, both ends of the binding body 6 are inserted from the back surface of the fastener body 1 into the notches 4 and 4, respectively. Bondage body 6
While contacting the lock portions 5 and 5 while rotating about 90 degrees, fit the messenger wire 10 into the wire tightening groove 3 and insert both ends into the bolt insertion holes 2 and 2, and attach the nuts 7 and 7. When screwed and tightened, the pressing portions 9 and 9 tightly bind the messenger wire 10 to the fastener main body 1.

[0005]

However, the above-mentioned conventional branch metal fitting for an overhead wire is troublesome in that the work for tightly fixing the messenger wire 10 to the stopper body 1 by the tight binding body 6 is troublesome. In particular, this work is often performed while climbing on a power pole to perform an overhead line tension work, which requires a lot of work in an unstable state of the body, which is extremely troublesome.

Moreover, since there is only one branching section 8, only one-way branching can be used, so that it is not useful and convenient.

In view of the above circumstances, the present invention simplifies the intermediate branching work of messenger wires between electric poles, while at the same time providing a branch metal fitting for overhead lines capable of reliably performing multidirectional branching such as cross branching, five-way and six-way branching. Is to provide.

[0008]

[0009]

A branch metal fitting for an overhead wire according to the present invention has an approximately 8-shaped shape, and a tightening portion provided with three projecting portions which are divided by a groove in a central portion thereof, a fastener body formed by providing a wire緊止groove for fitting and fixing the messenger wire to their projections, hydrofluoric the U-bolt
Be formed bent click type, engaged by inserting the both end portions in the pair of bolt insertion holes bored in the緊止portion, a pair of notches having both ends provided in the緊止portion pivots It is characterized by comprising a binding body which can be engaged and disengaged via a nut with a washer.

[0010] Further, a wire fitting for a wire, which comprises a retaining metal body which is gripped and attached to a messenger wire to pull out the branch wire, and a binding body formed by bending a U-bolt into a hook shape, wherein the retaining metal body is a ring. -Like branching parts are integrally formed on both sides, and three-divided projections are provided on these tightening parts to form wire tightening grooves, and a bolt insertion hole is provided on one side of the groove sandwiched by the projections, and the like. And a recess having a circular cross section on the back surface of the tightening portion between the bolt insertion holes, and the binding body penetrates the bolt insertion hole and engages with the recess. A U-shaped lock portion and a pair of U-shaped pressing portions that press the messenger wire are integrally formed, and nuts with washers are respectively screwed to both ends that engage with the cutout portion. Is characterized by.

[0011]

[Operation] To remove the binding body from the stopper body, simply loosen the nuts with washers at both ends of the binding body, rotate around the lock part of the binding body, and remove both ends from the notches. Then, fit the catenary wire into the wire tightening groove of the stopper metal body, rotate the binding body in the opposite direction to engage both ends with the notch, and tighten the nut with washer to tighten it. Fix the overhead line to the body of the fastener.

[0012]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENT An embodiment of the present invention will be described below with reference to the drawings. 1 is a front perspective view, FIG. 2 is a rear perspective view, and FIG.
Is a central longitudinal side view, and as shown in the figure, a binding body 21 is detachably engaged with a fastener main body 20 having two branch portions.

The fastener main body 20 is a figure-eight-shaped metal piece, and a tightening portion 22 is formed in the central portion thereof, and substantially circular branch portions 23, 23 are formed with the tightening portion 22 as a boundary. ing. As shown in FIG. 4, the tightening portion 22 has grooves 24, 24.
Projection 2 with a chevron cross section divided in three across the width
5, 25, 25 are formed.

Wire tightening grooves 26, 26, 26 having a circular cross section are formed in a straight line at the central portions of the protrusions 25, 25, 25, and bolts for inserting the binding body 21 into the grooves 24, 24. Oval notches 28, 28 are formed to engage the insertion holes 27, 27 with both ends of the binding body 21.
Further, a groove-shaped recess 29 having a circular cross section is formed on the back surface of the tightening portion 22 between the bolt insertion holes 27.

As shown in FIG. 5, the binding body 21 is formed by further bending a U bolt into a substantially U shape, that is, a hook shape, and is engaged with the fastening portion 22 of the fastening metal body 20. Locking part 30 and pressing part 3 for pressing the messenger wire
1, 31 and threaded portions 32, 32 are formed at both ends. Nuts 33 and 33 with washers are screwed into the screw portions 32 and 32, respectively.

In order to engage the binding body 21 with the stopper main body 20, the nuts 33 with washers are inserted from both ends of the binding body 21.
And remove both ends of the stopper body 20 from the back surface (see FIG. 4).
(B)) is inserted into the bolt insertion holes 27, 27 so that the lock portion 30 is located between the bolt insertion holes 27, 27 and the recess 29 is formed.
The binding body 21 is rotated so as to be engaged with the both ends, and both ends are turned toward the surface (FIG. 4 (A)) side.
8 and 28 are engaged, and nuts 33 with washers are respectively screwed into both ends engaged with the notches 28 and 28.

Therefore, when binding the messenger wire tightly, in the state of FIG.
3, 33 are respectively loosened, and then both ends of the binding body 21 are rotated toward the front side with the lock portion 29 as the center, as shown by phantom lines in FIG. Therefore, both ends of the binding body 21 come out of the notches 28, 28 and an opening is formed between the binding body 21 and the fastener main body 20.

Therefore, the messenger wire 34 is fitted and fixed in the wire tightening grooves 26, 26, 26 in a straight line through the opening, and then the binding body 21 is locked by the lock portion 30.
Is rotated in the opposite direction to the above to engage both ends with the notches 28, 28, and the nuts with washers 33, 33
Turn to tighten the binding body 21 to the fastener body 20,
The pressing portions 31, 31 tighten the messenger wire 34 in the wire tightening grooves 26, 26, and the groove 24,
Tighten while pushing toward 24.

Thus, the work for tightly fixing the messenger wire 34 is extremely easy because it is sufficient to loosen or tighten the nuts 33, 33 with washers and to rotate the tight binding body 21. Can work on. Further, since the two branch portions 23 are formed, it is possible to surely perform multidirectional branch such as cross branch, five-way and six-way branch.

[0020]

According to the present invention described above, the binding body is rotatably engaged with the fastening body so that both ends of the binding body can be engaged with and disengaged from the notches of the fastening body. The binding work of the messenger wire is extremely easy, and it can be done easily and quickly.

When the binding body is fastened to the body of the fastener, the messenger wire is pressed into the wire fastening groove divided into three with the groove sandwiched therebetween and is pushed into the groove, so that the binding is secured and large. Can withstand tension.

Further, since the two branch portions are provided on both sides of the tightening portion for binding the messenger wire, multi-directional branch such as cross branch, five-way and six-way branch can be surely performed.

The engagement and disengagement between the both ends of the binding body and the notch portion of the fastener body can be achieved by simply loosening or tightening the nut with washer of the binding body .
In addition, the binding body engages with the bolt insertion hole and
It doesn't come off easily and you can loosen the nut.
Remove both ends of the binding body from the body of the fastener without removing
As it can be removed, there is a risk that it will fall when working in high places.
A member Ru safety der no.

Furthermore, since the two branch portions have a well-balanced appearance, there is an effect that the aesthetic appearance is not spoiled even if they are installed in the air.

[Brief description of drawings]

FIG. 1 is a perspective view showing an embodiment of the present invention.

FIG. 2 is a rear view of FIG.

FIG. 3 is a side view of the center section of FIG.

FIG. 4A is a plan view of the fastener main body, and FIG. 4B is a rear view.

5A is a side view of the binding body, and FIG. 5B is a front view.

FIG. 6 is an operation explanatory view.

FIG. 7 is a perspective view of a conventional example.

[Explanation of symbols]

 20 ... Fastener body 21 ... Tightening body 22 ... Tightening part 23 ... Branch part 24 ... Groove 25 ... Projection part 26 ... Wire tightening groove 27 ... Bolt insertion hole 28 ... Notch part 29 ... Recession 30 ... Lock part 31 ... Pressing Part 32 ... Threaded part 33 ... Nut with washer 34 ... Messenger wire

Claims (2)

[Scope of utility model registration request] 1. A wire tightening portion having a substantially 8-shaped shape and a central portion thereof provided with three protruding portions divided by sandwiching a groove, and a messenger wire being fitted and fixed to these protruding portions. a fastener body formed by providing a groove, off the U-bolt
Tsu it to bend formed on click-type, engaged by inserting the both end portions in the pair of bolt insertion holes bored in the緊止portion, a pair of opposite end portions to pivot is provided on the緊止portion A branch metal fitting for an overhead wire, comprising a binding body which can be engaged and disengaged via a nut with a washer in the notch. Wherein the fastener body to draw the gripping attachment to the branch wire to the messenger wire, off the U-bolt
A branch metal fitting for an overhead wire, comprising a binding body bent and formed in a hook shape, wherein the fastener main body has a long length in a tightening portion which is a central portion of an 8-shape in which ring-shaped branch portions are integrally formed on both sides. direction
3 provided with projections of the split to the short these wire緊止groove
A bolt insertion hole is formed on one side of the groove sandwiched between the protrusions and a notch is formed on the other side, and a recess having a circular cross section is formed on the back surface of the fastening portion between the bolt insertion holes. The binding body integrally includes a U-shaped lock portion that penetrates the bolt insertion hole and engages with the recess, and a pair of U-shaped pressing portions that press the messenger wire. A branch metal fitting for an overhead wire, wherein nuts with washers are respectively screwed into both ends that engage with the notch.