JPH062913U - Branch hardware for overhead lines - Google Patents

Abstract

(57) [Summary] [Purpose] To provide a branch metal fitting for an overhead wire that is simple and quick and easy to bond the overhead wire and can branch in the other direction such as a cross branch. [Structure] A tightening portion 22 is formed in a shape of a figure of eight and provided with three projecting portions 25 which are divided by a groove in the center thereof.
A stopper metal body 20 in which a wire tightening groove 26 for fitting and fixing a messenger wire 34 is provided on these protrusions 25, and a U-bolt is bent and formed into a substantially U-shape, and is drilled in the tightening portion 22. Both ends are inserted into and engaged with a pair of bolt insertion holes 27 that are provided, and both ends can be engaged with and disengaged from a pair of notches 28 provided in the tightening portion 22 via a nut 33 with a washer. It is composed of a bondage body 21.

Description

[Detailed description of the device]

[0001]

[Industrial applications]

 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 between the utility poles in the other direction or change the direction of the overhead wire.

[0002]

[Prior art]

 Conventionally, as shown in FIG. 7, a metal fitting of this type has a bolt fitting hole 2 and a bolt fitting hole 2 formed at a corner of one side of a stopper body 1 having a substantially rectangular shape. A wire tightening groove 3 having a semicircular cross section is formed in the vicinity of 2 parallel to the side edge, and oval notches 4 and 4 are formed at the corners of the other side to bend the side edge into a semicircle. U-bolt-shaped binding bodies 6 that are inserted into the bolt insertion holes 2 and 2 and the locking lock portions 5 and 5 are formed, and are formed at both ends of the binding body 6. The nuts 7 and 7 were screwed into the formed screw portions, respectively. The binding body 6 has a U-shaped branch portion 8 and is bent in a substantially L-shape in the vicinity of both ends thereof. Particularly, the 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 tightly bound and fixed in the wire tightening groove 3, the nuts 7, 7 are removed in the state shown in the drawing, and the branch portion 8 of the tightly bound body 6 is cut through the notches 4, 4. , Both ends of the binding body 6 are pulled out from the bolt insertion holes 2 and 2, and the messenger wire 10 is fitted into the wire tightening groove 3. It is inserted in 2 and the nuts 7 and 7 are screwed together and 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. While rotating the binding body 6 by about 90 degrees, the binding body 6 is brought into contact with the hook lock portions 5 and 5, the messenger wire 10 is fitted into the wire fastening groove 3 and both ends are inserted into the bolt insertion holes 2 and 2, and the nut is inserted. When 7 and 7 are screwed together and tightened, the pressing portions 9 and 9 tightly bind the messenger wire 10 to the fastener main body 1.

[0005]

[Problems to be solved by the device]

 However, the conventional branch wire hardware for an overhead wire is troublesome because the work for fastening the messenger wire 10 to the fastener body 1 with the binding body 6 is troublesome. In particular, this work often has to be done while climbing on a power pole and doing overhead line work, which is extremely troublesome because of the instability of the body.

Not only that, since there is only one branching unit 8, only one-way branching can be used, so the usefulness and convenience are poor.

In view of the above circumstances, the present invention simplifies the middle branching work of messenger wires between utility poles, while at the same time providing a branch for overhead lines that can reliably perform multidirectional branching such as cross branching, five-way and six-way branching. It is an attempt to provide hardware.

[0008]

[Means for Solving the Problems]

 An overhead wire branch metal fitting according to the present invention has a stopper metal body having a wire tightening groove for fitting and fixing a messenger wire in a central portion thereof, and a U-bolt bent into a substantially U-shape. It is characterized in that it is formed and engages with the central portion, and both ends are composed of a binding body which can be engaged and disengaged with a pair of notches provided in the central portion via nuts with washers.

In addition, a wire which is formed in a shape of a figure 8 and is provided with three protrusions which are divided by a groove in the center thereof, and a messenger wire is fitted and fixed to the protrusions. A U-bolt is bent into a substantially U-shape and a stopper main body provided with a tightening groove, and both ends are inserted into and engaged with a pair of bolt insertion holes formed in the tightening portion. It is characterized in that both ends of the binding member are pivotable so as to be engageable with and disengageable from each other through a pair of notches provided in the securing portion via a nut with washer.

[0010] Furthermore, a branch metal for overhead wire, comprising a fastener main body which is gripped and attached to a messenger wire to pull out a branch wire, and a binding body in which a U-bolt is bent and formed into a substantially U-shape. Is a three-pronged protrusion that is formed on both sides of a ring-shaped branch part that is integrally formed with a wire-tightening groove, and a bolt insertion hole is formed on one side of the groove sandwiched between the protrusions. A cutout is provided on the other side, and a recess having a circular cross section is provided on the back surface of the fastening portion between the bolt insertion holes, and the binding body penetrates the bolt insertion hole and A U-shaped locking part that engages with the recess and a pair of U-shaped pressing parts that press the messenger wire are integrally formed, and nuts with washers are respectively screwed on both ends that engage with the notch. Characterized by being combined It

[0011]

[Action]

 To remove the binding from the fastener body, simply loosen the nuts with washers at both ends of the binding, rotate it around the lock of the binding, and remove both ends from the notches. , The overhead wire is fitted into the wire tightening groove of the stopper body, the binding body is rotated in the opposite direction to engage both ends with the notches, and the nut with washer is tightened to tighten it. Fix the overhead line to the body of the fastener.

[0012]

【Example】

 An embodiment of this invention will be described below with reference to the drawings. 1 is a perspective view of the front surface, FIG. 2 is a perspective view of the back surface, and FIG. 3 is a vertical side view of the center. As shown in the drawing, a binding body 21 is detachably attached to a fastener main body 20 having two branch portions. Are configured together.

The fastener main body 20 is a metal figure in the shape of a figure eight, and a fastening portion 22 is formed in the central portion, and substantially circular branch portions 23, 23 are formed with the fastening portion 22 as a boundary. Has been. As shown in FIG. 4, the tightening portion 22 is formed with projections 25, 25, 25 having a chevron cross section divided in three in the width direction with the grooves 24, 24 sandwiched therebetween.

The 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 the binding body 21 is inserted into the grooves 24, 24. Oval notches 28 1, 28 are formed to engage the bolt 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 bending a U-bolt into a substantially U-shape, and includes a lock portion 30 and a messenger that are locked to the fastening portion 22 of the fastener body 20. It has pressing parts 31, 31 for pressing the wire, and screw parts 32, 32 are formed at both ends. Nuts 33 and 33 with washers are screwed into these screw portions 32 and 32, respectively.

In order to engage the binding body 21 with the fastener body 20, the nuts 33 with washers are removed from both ends of the binding body 21, and both ends are the back surface of the fastener body 20 (FIG. 4B). The bolts 21 are inserted into the bolt insertion holes 27, 27 and the lock portion 30 is positioned between the bolt insertion holes 27, 27 so that the binding body 21 is rotated so as to engage with the recess 29. A)) side, the both ends are engaged with the notches 28, 28, respectively, and the nuts 33 with washers are respectively screwed to the both ends engaged with the notches 28, 28.

Therefore, when the messenger wire is tightly bound, in the state of FIG. 3, the nuts 33, 33 with washers are respectively loosened, and then both ends of the binding body 21 are locked as shown by phantom lines in FIG. It is rotated to the front side around 29. Therefore, the both ends of the binding body 21 are protruded from 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 a straight line into the wire tightening grooves 26, 26, 26 from the opening, and then the binding body 21 is rotated in the opposite direction with the lock portion 30 as the center. Then, the both ends are engaged with the notches 28, 28, and the binding body 21 is fastened to the fastener main body 20 by turning the nuts 33, 33 with washers, and the pressing portions 31, 31 secure the messenger wire 34 with the wire. Tighten it in the grooves 26, 26 and push it toward the grooves 24, 24 to bind it tightly.

Thus, as work for tightly fixing the messenger wire 34, loosening and tightening the nuts 33, 33 with washers, and rotation of the tight binding body 21 are sufficient. Easy to work with. Further, since the two branch portions 23 are formed, it is possible to surely perform multi-directional branch such as cross branch, five-way and six-way branch.

[0020]

[Effect of device]

 According to the invention described above, the binding body is rotatably engaged with the stopper body so that both ends of the binding body can be engaged with and disengaged from the notches of the stopper body. The binding work is extremely easy and 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 and pushed into the groove, so that the binding is securely fixed. Can withstand a large amount of tension.

Further, since the two branch portions are provided on both sides of the tightening portion for binding the messenger wire, multidirectional 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 performed by simply loosening or tightening the nut with washer of the binding body, which is excellent in workability.

Furthermore, since the two branch portions have a well-balanced appearance shape, there is an effect that the aesthetic appearance is not spoiled even when 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 portion 23 ... Branching portion 24 ... Groove 25 ... Projection portion 26 ... Wire fastening groove 27 ... Bolt insertion hole 28 ... Notch portion 29 ... Recession 30 ... Lock portion 31 ... Pressing Part 32 ... Threaded part 33 ... Nut with washer 34 ... Messenger wire

Claims (3)

[Scope of utility model registration request] 1. A stopper metal body having a substantially 8-shape and provided with a wire tightening groove for fitting and fixing a messenger wire in a central portion thereof, and a U-bolt bent and formed in a substantially U-shape to form the central portion. A branch metal fitting for an overhead wire, characterized in that it comprises a binding body that engages with and is engageable with and disengageable from a pair of notches provided in the central portion through a nut with washer. 2. A wire tightening part which is formed in a substantially figure-eight shape and is provided with three projecting parts which are divided by sandwiching a groove in a central part thereof, and the messenger wire is fitted and fixed to these projecting parts. A U-bolt is bent into a substantially U-shape and a stopper main body having a stop groove is formed, and both ends are inserted into and engaged with a pair of bolt insertion holes formed in the tightening portion. A branch metal fitting for an overhead wire characterized in that it comprises a binding body that is movable and has both ends thereof engageable and disengageable with a pair of notches provided in the fastening portion via a nut with washer. 3. A branch metal fitting for an overhead wire, comprising a stopper metal body which is gripped and attached to a messenger wire to pull out a branch wire, and a binding body formed by bending a U bolt into a substantially U shape, wherein the fastener metal body is , A ring-shaped branched portion is integrally formed on both sides, and three-divided projections are provided on the tightening portions to form wire tightening grooves, and a bolt insertion hole is formed on one side of the groove sandwiched by the projections. , The notch on the other side,
Further, a recess having a circular cross section is provided 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 with a U-shaped lock portion. ,
A branched wire fitting for an overhead wire, wherein a pair of U-shaped pressing portions for pressing the messenger wire are integrally formed, and nuts with washers are respectively screwed into both end portions that engage with the cutout portions.