JP2578429Y2 - Telephone pole support hardware for tension cables - Google Patents

Description

[Detailed description of the invention]

[0001]

BACKGROUND OF THE INVENTION The present invention relates to a suspension pole supported on a telephone pole via a telephone pole band, or extended along a suspension line supported by a suspension pole fixed to the telephone pole band. The present invention relates to a hardware supporting a pole area of a stretched cable which is bent in a horizontal direction or a vertical direction. Power cables such as power cables,
Security communication cable, telephone cable, CATV cable,
There are a cable broadcasting cable, an optical cable, and the like. To date, it is general that cables of these various wire types are vertically shifted from each other and coaxially mounted on one telephone pole.

[0002]

2. Description of the Related Art Conventionally, as shown in FIGS. 1 and 2, these various cables are stretched between utility poles 1 in portions other than the utility pole area, and suspended wires 2 supported on the utility poles 1 by utility pole bands 1a. In order to fix the cable 6 with the lashing 4 or the binding band 5 and support the cable 6 with these hanging lines 2 and 3 and to support the cable in the pole area, the lashing 4 is attached to the hanging line along the hanging line. Alternatively, the cable 6 supported by the binding band 5 is simply curved in the horizontal direction in the case of the double hanging suspension line 2 as shown in FIG. 1 in the telephone pole region, or as shown in FIG. In the case of the penetrating suspension wire 3 supported via the suspension hardware 1b, the cable is sagged vertically (curved) to allow the telephone pole to pass through, and the cable is rubbed against the pole and the outer coating of the cable is damaged. This cable to prevent Is only wound around the spiral sleeve 7 in a curved slack portion, the curved slack part was left to self-supporting by their own rigidity.

[0003]

Among such extension cables, an aluminum pipe type coaxial cable is mainly used for CATV facilities and the like. In Japan, about 10 years after the emergence of CATV, failures have been frequently reported. The main cause of this is that the curved slack portion of the coaxial cable passing through the utility pole has been vibrated for a long time, and the worker has been working at the bottom of the utility pole when lifting up and down for work on various cables supported by the utility pole. The reason is that, for example, by putting a foot on a curved slack portion passing through a utility pole of a CATV coaxial cable located on the side, a crack, a tear, or a deformation occurs at a transition portion between a straight portion and a curved portion of the coaxial cable. There was found. Furthermore, not only the coaxial cable for CATV but also various cables have frequently caused accidents at such curved portions for the passage of telephone poles.

Accordingly, it is an object of the present invention to provide a metal support which easily and reliably supports a curved portion of a tension cable passing through a power pole.

[0005]

In order to achieve this object, the pole supporting hardware of the tension cable according to the present invention is linearly connected to a power pole via a power pole band along a suspension line which is supported by the tension support. A substantially L-shaped bracket having a vertical portion fixed to a utility pole band and a horizontal portion bent horizontally from the vertical portion in a direction away from the utility pole band to support a horizontally bent utility pole region of the stretched cable. And an arcuate support arm having a central portion mounted near the free end of the horizontal portion of the L-shaped bracket portion and having hook-shaped ends at both end portions for hooking on the hanging line. It is characterized by having done.

Still another object of the present invention is to provide a telephone pole supporting hardware of a tension cable, which is formed by bending a cable stretched along a hanging line supported at both angles by a telephone pole band at an angle via a power pole band. A substantially L-shaped bracket portion having a vertical portion fixed to the power pole band and a horizontal portion bent horizontally from the vertical portion in a direction away from the power pole band to support the power pole region, And a bow-shaped support arm attached to the vicinity of the free end of the horizontal portion of the bracket portion and having both end portions bent to each other corresponding to the angle of the hanging line so as to overlap with the hanging line. Features.

[0007] Still another object of the present invention is to provide a telephone pole supporting hardware of a stretched cable, wherein the cable is stretched along a hanging line supported at both angles by a telephone pole band at an angle via a power pole band. A substantially L-shaped bracket portion having a vertical portion fixed to the utility pole band and a horizontal portion bent horizontally from the vertical portion in a direction away from the utility pole band to support the utility pole region, and one end portion thereof And a pair of rotating arm members that are rotatably and lockably mounted on each other in the vicinity of a free end of the horizontal portion of the L-shaped bracket portion around a rotation axis. At least the other end portion is bent so as to correspond to the angle of the hanging line so as to overlap with the hanging line.

Still another object of the present invention is to provide a telephone pole supporting hardware of a tension cable, which is formed by bending a cable stretched along a hanging line supported at both angles by a telephone pole band at an angle via a power pole band. A substantially L-shaped bracket portion having a vertical portion fixed to the utility pole band and a horizontal portion bent horizontally from the vertical portion in a direction away from the utility pole band to support the utility pole region, and one end portion thereof Is constituted by a pair of arm members rotatably and lockably mounted on each other in the vicinity of the free end of the horizontal portion of the L-shaped bracket portion so as to be rotatable and rotatable around a rotation axis. It is constituted by a pair of articulated arm members rotatably and lockably connected at an intermediate portion, and an outer articulated arm member corresponding to each inner articulated arm is set at an angle of the hanging line. Is response to rotate and characterized in that the overlap between the suspension lines.

[0009] Still another embodiment of the present invention is a telephone pole supporting member of a stretched cable, which extends through a hanging member fixed to a telephone pole band on a telephone pole and extends vertically along a suspension line which is supported by a suspension. In order to support the curved pole area,
In the vicinity of the upper end portion, the bracket is constituted by a substantially J-shaped bracket portion fixed to the telephone pole band, and a slot for passing a binding band is provided at a tip portion of the bracket portion.

[0010]

[Function] With this configuration, the existing telephone pole band
In the case of the double hanging suspension line, a bracket portion of the support hardware with the support arm portion (or the rotating arm member) is fixed, and the cable is horizontally bent so as to overlap at least a part of the support arm portion (or the rotating arm member). Then, the cable is fixed to the supporting arm (or the rotating arm member).

In the case of a penetrating hanging wire, a bracket portion of a support metal as a J-shaped bracket is fixed to an existing telephone pole band, and the lowermost end of the vertical curve of the cable is J-shaped. It is supported on the curved portion at the lower end of the shaped bracket portion, and is fixed through a binding band in a slot provided in this portion.

[0012]

BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a perspective view of a preferred embodiment of the present invention.

FIG. 3A shows a telephone pole band with respect to the telephone pole 1.
FIG. 3B shows an embodiment of the support hardware 8 according to the present invention in a case where the suspension wire 2 is linearly held at both ends via the wire 1a. The embodiment of the support metal 9 according to the present invention when the hanging wire 3 is supported by being pulled through is shown.

FIG. 3 (a) shows a utility pole support 8 according to the present invention, which is used for the suspension line 2 which is linearly held at both ends.
Has a bracket portion 12 which is fixed to the existing utility pole band 1a with bolts 10 and nuts 11, as shown in FIG. The bracket portion 12 is a substantially L-shaped bracket portion having a vertical portion 12A fixed to the utility pole band and a horizontal portion 12B bent horizontally from the vertical portion in a direction away from the utility pole band. The vertical dimension X of the L-shaped bracket portion 12 is substantially equal to the width of the utility pole band 1a, and a bolt insertion hole 12a is provided substantially at the center. At the lower end of the bracket portion 12, a central portion of an arc-shaped support arm 13 preferably made of a steel rod is fixed by welding. At both ends of the bow-shaped support arm 13, hook-shaped ends 13a for hooking on the suspension line 2 are provided.

In using the support metal 8 shown in FIG. 3A according to the present invention, the vertical portion 12A of the bracket portion 12 is attached to the existing utility pole band 1a by bolts and nuts before use. At this time, the hook-shaped end 13a of the support metal 8 is hooked on the suspension line 2. The electric pole area of the cable 6 to be stretched conforms to a curved shape substantially corresponding to the bow-shaped support arm 13 of the support hardware 8, and the spiral sleeve 7 is wound around the curved sag. The straight part of the cable 6 is fixed to the suspension line 2 by means of a lashing 4 and a tying band 5, for example as in the embodiment shown (it can also be fixed in other known ways), while the horizontally curved part of the cable 6 is supported. It is fixed to the bow-shaped support arm portion 13 of the hardware 8 by the binding band 5. As a result, the horizontally curved portion of the cable passing through the power pole is not free as in the related art, but is reliably supported by the support hardware 8, particularly, by the arcuate support arm 13.

The support hardware 9 shown in FIG. 3B according to the present invention is a suspension line 3 supported by being drawn straight through the utility pole 1.
To support the slack portion of the cable 6 which is curved downward in the vertical direction. As shown in FIG. 5, the support metal 9 has a J-shaped bracket portion elongated in the vertical direction.
14 and the J-shaped bracket portion 14 is
And the suspension metal fitting 1b are fixed with bolts and nuts. A bolt insertion hole 14a is provided near the upper end of the J-shaped bracket portion 14, and a groove 14b for inserting a binding band is provided at the curved lower end. This bolt insertion hole
Although 14a may be circular, it is preferable to use an oval slot because the positioning in the vertical direction can be adjusted freely.

In another preferred embodiment of the support metal 9 of the present invention, it is preferable that the J-shaped bracket portion 14 and the suspension hardware 1b are integrally formed.

When the vertically bent slack portion of the cable 6 is supported by the support hardware 9, the spiral sleeve 7 is wound around the bent slack portion. After supporting the lowermost end of the vertically curved slack portion at the lower end of the J-shaped bracket portion 14, the binding band 5 is passed through the slot 14b, and the binding band 5 allows the vertical curved sag portion of the cable to be J-shaped. It is fixed to the bracket 14.

The brackets of the supporting hardware 8, 9 are not fixed to the outer surface of the telephone pole band as shown in the figure, but are fixed between the telephone pole band and the telephone pole. It is preferable to provide a flange portion projecting horizontally out of the utility pole band at the top of the portion.

FIGS. 6 (a) and 6 (b) show another embodiment of the present invention when the suspension line 2 is fixed at both angles to the electric pole 1 via two electric pole bands 1a. The example support hardware 15 is shown.

The metal support 15 will be described in detail with reference to FIGS. As shown in FIG. 7, the supporting hardware 15 is a vertical portion 15a inserted between the lower power pole band 1a and the power pole and fixed to the power pole by the power pole band.
a bracket portion 16 comprising a bent flange portion 15b projecting horizontally from the top edge of the utility pole band to the outside of the utility pole band, a horizontal portion 15c projecting horizontally from the bottom of the vertical portion 15a radially outward of the utility pole band, and a bracket portion 16 And a pair of rotating arm members 17 rotatably and lockably mounted near the free end of the horizontal portion 15c.

As shown in FIG. 8, each of the pair of rotary arm members 17 has one end portion of a round bar-shaped arm member crushed flat, a bolt insertion hole is formed at the center, and provided in the horizontal portion 15c. The bolt 18 and the nut 19 inserted into the bolt insertion hole can be locked in an arbitrary angular relationship.

Each of the rotating arm members 17 can be formed by a pair of articulated arm members 17a and 17b which are rotatable and lockable in the same manner as in the embodiment of FIG. One arm member may be formed by bending at least the outer end portion so as to match the angle of the suspension line.

[0024]

[Effects of the Invention] According to the utility pole support hardware of the cable of the present invention, it can be easily adapted to the existing utility pole band, which is extremely advantageous.

Further, since the horizontal or vertical curved slack portion for passing the electric pole of the cable can be reliably supported, the vibration of the curved portion can be prevented, and the worker may use the cable as a scaffold. Can also withstand this load to some extent, significantly reduce the possibility of cracking, tearing, or deforming the transition between the straight and curved sections of the cable, significantly extending cable life. Will be able to do it.

[Brief description of the drawings]

BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is an explanatory view showing a supporting state of a conventional method in which a cable is passed through and supported on a hanging pole by hanging a hanging pole on both poles, (a) is a perspective view, and (b) is a partial view. It is a top view which makes a cross section.

FIG. 2 is a side view showing a supporting state of a conventional method in which a cable is passed through and supported on a hanging pole by passing a cable through a utility pole supporting the hanging line by a pull-through method.

3A and 3B show an embodiment of a utility pole supporting hardware for a cable according to the present invention, wherein FIG. 3A is a perspective view of an embodiment applied to a utility pole in which a suspension wire is linearly held, and FIG. FIG. 3 is a perspective view of an embodiment applied to a utility pole supported by a drawing method.

FIGS. 4A and 4B are detailed explanatory views of the metal support of the embodiment of FIG. 3A, wherein FIG. 4A is a front view of the metal support, FIG. 4B is a plan view, and FIG.

FIGS. 5A and 5B are detailed explanatory views of the metal support of the embodiment of FIG. 3B, wherein FIG. 5A is a front view of the metal support, FIG. 5B is a plan view, and FIG.

FIG. 6 shows an embodiment of a utility pole supporting hardware of a cable according to the present invention applied to a utility pole in which a suspension wire is linearly held at both ends,
(A) is a perspective view, (b) is a plan view.

FIGS. 7A and 7B are explanatory views showing details of the support hardware of the embodiment of FIG. 6, wherein FIG. 7A is a front view, FIG. 7B is a plan view, and FIG.

8A and 8B are detailed explanatory views showing a rotatable and lockable configuration of a rotatable arm member of the support hardware of FIG. 7, wherein FIG. 8A is a plan view and FIG. 8B is a front view.

[Explanation of symbols]

 1 Power pole 1a Power pole band 1b Suspension hardware 2,3 Hanging wire 4 Lashing 5 Cable tie 6 Cable 7 Spiral sleeve 8,9,15 Support hardware 10 Bolt 11 Nut 12 L-shaped bracket 12A Vertical part 12b Horizontal part 12a, 14a Bolt insertion hole 13 Bow-shaped support arm 13a Hook-shaped end 14 J-shaped bracket 14b Slot 15a Vertical part 15b Flange part 15c Horizontal part 16 Bracket part 17 Rotating arm member 17a, 17b Joint arm member 18 Bolt 19 Nut

──────────────────────────────────────────────────続 き Continued on front page (58) Field surveyed (Int.Cl. ⁶ , DB name) H02G 7/00-7/02

Claims (5)

(57) [Scope of request for utility model registration] 1. A vertical pole fixed to a power pole band to support a horizontally curved power pole area of a cable stretched along a suspension line which is linearly supported on a power pole via a power pole band. Having a horizontal portion bent horizontally from this vertical portion in a direction away from the portion and the utility pole band.
An arcuate support arm having a U-shaped bracket portion and a central portion attached near the free end of the horizontal portion of the L-shaped bracket portion and hook-like ends at both end portions for hooking on the hanging line. And a telephone pole support for a stretched cable. 2. A telephone pole band which is fixed at an angle to a telephone pole at an angle via a telephone pole band, and which is fixed to the telephone pole band in order to support a horizontally curved telephone pole area of a cable stretched along a suspension line which is supported by both of the tension poles. A substantially L-shaped bracket portion having a vertical portion and a horizontal portion bent horizontally from the vertical portion in a direction away from the utility pole band, and a central portion attached near a free end of the horizontal portion of the L-shaped bracket portion And an arcuate support arm portion having both end portions bent to each other corresponding to the angle of the suspension line so as to overlap with the suspension line. 3. A telephone pole band formed at an angle to a telephone pole via a telephone pole band and fixed to the telephone pole band to support a horizontally bent telephone pole area of a cable stretched along a suspension line supported by both tensioning and suspension. A substantially L-shaped bracket portion having a vertical portion and a horizontal portion bent horizontally from the vertical portion in a direction away from the utility pole band, and one end portion of each of the bracket portions is a free end of the horizontal portion of the L-shaped bracket portion. And a pair of rotating arm members rotatably and lockably attached to each other around a rotation axis, and at least the other end portion of each of the rotating arm members is set at an angle of the hanging line. A pole supporting hardware for a stretched cable, which is bent so as to correspond to each other so as to overlap with the suspension line. 4. A telephone pole band which is fixed at an angle to a telephone pole at an angle via a telephone pole band to support a horizontally curved telephone pole region of a cable stretched along a suspension line supported by both tensioning and stretching supports. A substantially L-shaped bracket portion having a vertical portion and a horizontal portion bent horizontally from the vertical portion in a direction away from the utility pole band, and one end portion of each of the bracket portions is a free end of the horizontal portion of the L-shaped bracket portion. And a pair of arm members rotatably and lockably mounted on each other around a rotation axis near each other, and each arm member is rotatably and lockably connected at an intermediate portion. A pair of articulated arm members, and an outer articulated arm member corresponding to each inner articulated arm member is rotated corresponding to the angle of the hanging line so as to overlap with the hanging line. Utility pole support hardware tension cable, characterized in that. 5. A vertical pole portion of the vertical portion of the L-shaped bracket portion is provided with a flange portion horizontally bent from the vertical portion in a direction away from the power pole band, and the vertical portion of the L-shaped bracket portion is connected to a power pole band. The pole supporting metal part of the stretched cable according to any one of claims 1 to 4, wherein the pole pole is inserted between the power pole and the power pole to be fixed to the pole pole band.