JPH0683845U - Scaffolding bolt for telephone pole - Google Patents

Abstract

(57) [Summary] [Purpose] To provide a scaffolding bolt for a telephone pole that can secure a safety as a scaffold by winding a cord for operating a switch. [Structure] A winding stop portion 4 which is formed in a substantially U shape and comprises two arms 4a, 4a and a base portion 4b supporting each arm 4a is fixed to a nut 5. Tighten the nut 5 fixed to the base portion 4b of the winding stop portion 4 to the screw portion (not shown) provided at the end of the scaffold portion 3 to fix the winding stop portion 4 to the scaffold portion 3, and fix the scaffold bolt 1 Is forming. The screw portion 2 of the scaffolding bolt 1 is screwed and fixed to the telephone pole A. A nylon rope 10 is fixed to the operation handle 9 of the switch installed on the pole of the telephone pole A, and the nylon rope 10 is hung from the switch. A display label 11 is attached to the tip of the nylon rope 10. Normally, the nylon rope 10 has a winding stop 4
Since it is wound around the arm 4a and fixed, the nylon rope 10 can prevent the foot from slipping.

Description

[Detailed description of the device]

[0001]

[Industrial applications]

 The present invention relates to a utility pole scaffolding bolt used for a scaffold when going up and down a utility pole.

[0002]

[Prior art]

 As shown in Fig. 8, in general, the utility pole A is installed on the pole for the purpose of work power outage in the construction section, detection and disconnection of the accident section, back-feeding to reduce the power outage section at the time of accident, and load transfer. A switch 8 is installed. There are various types of switches 8 such as an oil-filled switch, an air switch, a vacuum switch, a gas switch, etc., as shown in FIG. 9, all of them are for manual operation. A handle 9 is rotatably provided on the side surface of the switch body 8a. Both ends of the operation handle 9 are formed in an annular shape, and a string of nylon rope 10 or the like is passed through the rings 9a at both ends and fixed to both ends of the operation handle 9.

Further, the nylon rope 10 is hung from the operation handle 9, and by pulling the nylon rope 10 in the middle of the telegraph pole A, the operation handle 9 of the switch 8 on the pole is rotated. The switch 8 is turned on / off. When the opening / closing operation of the switch 8 is not normally performed, the nylon rope 10 is used as a scaffold for the telephone pole A to be used as a scaffold when persons performing electrical work go up and down the telephone pole A. It is wound around a scaffolding bolt 26 that is screwed and fixed.

[0004]

[Problems to be solved by the device]

 In the above-described conventional example, since the nylon rope 10 is wound around the scaffolding bolt 26, which is a scaffold when the person who originally conducts the electric work goes up and down the telephone pole A, the person who conducts the electric work attaches the nylon rope 10 thereto. There is a problem that the attached scaffold bolt 26 slips, and especially when it rains, raindrops travel down the nylon rope 10, and the nylon rope 10 wound around the scaffold bolt 26 becomes slippery and dangerous. Further, there is a problem in that it is unsightly in appearance to directly wind around the scaffold bolt 26.

The present invention is intended to solve the above-mentioned problems, and a cord body for operating a switch can be wound around it, and the safety as a scaffolding can be secured and the appearance can be improved. It aims to provide a scaffolding bolt for telephone poles that is not unsightly.

[0006]

[Means for Solving the Problems]

 In order to achieve the above object, the present invention provides a scaffolding bolt for a utility pole, which is used as a scaffold for ascending and descending to a utility pole by screwing a screw part to the pillar body of the utility pole. The operation of opening and closing the switch installed on the pillar is formed with a substantially U-shaped winding stop that locks the cord fixed to the operation handle, and the bottom of the winding stop is attached to the tip of the scaffolding bolt. Characterize.

[0007]

[Action]

 According to the configuration of the present invention, in a scaffolding bolt for a utility pole, which is used as a scaffold for ascending and descending to the utility pole by screwing a screw part to the pillar body of the utility pole, a switch installed on the pole of the utility pole. Since the winding stop for winding the cord fixed to the operation handle is formed in a substantially U shape and the bottom of the winding stop is attached to the tip of the scaffold bolt, it is possible to open and close the switch. The cord body can be wound around and fixed to the winding stop portion. Therefore, since the cord body is not wound around the scaffolding part of the scaffolding bolt on which the person carrying out electrical work places his / her feet when going up and down the telephone pole, the person carrying out electrical work slips his / her foot on this cord body. It is possible to prevent it.

[0008]

【Example】

 Hereinafter, the present invention will be described in detail with reference to examples. (Embodiment 1) FIG. 2 shows an embodiment of a scaffolding bolt for a telephone pole of the present invention. As shown in FIG. 2 (a), this scaffolding bolt 1 is provided with a threaded portion 2 at an end thereof, and a scaffolding for mounting a foot when the body of the bolt continuing from the threaded portion 2 goes up and down to a telephone pole A. Part 3 Then, the winding stop portion 4 which is formed in a substantially U shape and is composed of two arms 4a, 4a and a base portion 4b supporting these two arms 4a, 4a is fixed to the nut 5 by a method such as bonding. . The winding stop portion 4 is tapered from the base portion 4b toward the tip. As shown in FIG. 2 (b), the two arms 4a, 4a are opposed to each other, and the protrusion 4c is provided on the opposite side of the tip portion, and the distance between the two arms 4a, 4a at the tip portion is It is narrower than the space other than the tip. Then, the nut 5 fixed to the base portion 4b of the winding stop portion 4 is tightened to the screw portion (not shown) provided at the end of the scaffold portion 3, and the winding stop portion 4 is tightened and fixed to the scaffold portion 3. 1 is formed. In addition, the winding stop portion 4 may be formed integrally with the scaffold portion 3.

As shown in FIG. 1, the scaffolding bolt 1 formed as described above is screwed into a bolt hole 6 provided in a column of a telephone pole A via a spring washer 27, and is tightened with a nut 7. To do. Then, a rope such as a nylon rope 10 is fixed to the operation handle 9 for opening and closing the switch 8 installed on the pole of the telephone pole A, and the nylon rope 10 is hung from the switch. There is. A display label 11 is attached to the end of the nylon rope 10, and the display label 11 is engraved with characters such as ON and OFF corresponding to ON / OFF of the opening / closing operation of the switch 8. It is written. The display label 11 is formed in a flat plate shape, and a mounting hole 11a is provided in the vicinity of an end thereof, and the tip of the nylon rope 10 is passed through the mounting hole 11a and tied to fix the display label 11 to the nylon rope 10.

With the above-described configuration, when a person who performs electrical work operates the opening / closing of the switch 8, the nylon rope 10 described above is placed at a place where the person who performs electrical work climbs up the telephone pole A. By pulling, the operating handle 9 of the switch 8 is turned to turn the switch 8 on and off. Then, when the switch 8 is not normally operated, the nylon rope 10 is wound around and fixed to the arm 4a of the winding stop 4, as shown in FIG. Since the distance between the two arms 4a, 4a at the tip of the winding stop portion 4 is smaller than the distance at the other portions, the nylon rope 10 having the display label 11 attached and fixed to the tip thereof is used as the winding stop portion 4. You can prevent it from coming off. By winding and fixing the nylon rope 10 around the winding stop portion 4 of the scaffolding bolt 1 as described above, it is possible to prevent the nylon rope 10 from slipping when the foot is placed on the scaffolding portion 3. is there.

Example 2 An external view of the scaffolding bolt 12 of this example is shown in FIG. In this embodiment, the shape of the winding stop portion is changed from that in the first embodiment. In this embodiment, as shown in FIG. 3, the two arms 13a, 13a are made to face each other substantially in parallel without tapering the winding stop 13, and the tip portions 13b of the two arms 13a, 13a are directed outward. In addition to bending, the opposite sides of the two arms 13a and 13a are raised.

Further, as shown in FIG. 4, a concavo-convex portion 13c may be provided on the facing surfaces of the two arms 13a, 13a of the winding stop portion 13. The uneven portion 13c can prevent the nylon rope 10 from coming off when the nylon rope 10 is wound around the arm 13a of the winding stop portion 13. Other configurations are the same as those in the first embodiment. In addition to the scaffolding bolts of Examples 1 and 2 described above, modifications as shown in FIGS. 5 to 7 are also possible. That is, the scaffolding bolt 14 shown in FIG. 5 is configured such that the winding stop portion 15 formed by making the outer diameter near both ends larger than the outer diameters other than near the end portions is provided at the tip end portion of the scaffold portion 3. , Nylon rope 10 is fixed by wrapping it around parts other than the large outer diameter near both ends. Since the outer diameter near both ends is larger than the outside diameter near the ends, the winding stop part It is possible to prevent the nylon rope 10 wound around 15 from coming off from the winding stop portion 15.

Further, in the scaffolding bolt 16 shown in FIG. 6, the rod-shaped protrusions 18 having different outer diameters near the both ends are attached to the rod 17 at the end having the outer diameter of the rod-shaped protrusion 18 which is not large. It is fixed to the side surface, and the bar-shaped protrusions 18 are sandwiched between the bar-shaped protrusions 18 so as to face each other to form two winding stoppers 19. The winding stoppers 19 are provided at the tip of the scaffolding 3. It is a thing. Then, by winding and fixing the nylon rope 10 around the rod-shaped protrusion 18, it becomes possible to prevent the nylon rope 10 from coming off.

Further, in the scaffolding bolt 20 shown in FIG. 7, a winding stop portion 23 formed by pivotally supporting an end portion of a flat plate-shaped movable portion 22 near one end portion of a flat plate-shaped base body 21 is provided. It is provided at the front end of the scaffold 3. A substantially semicircular cutout 24 is provided at the end of the movable portion 22 that is not pivotally supported. On the other hand, the base 21 of the winding stop 23 has a position that overlaps the cutout 24. The butterfly nut 25 is screwed. Therefore, the nylon rope 10 is passed through the locking ring 28 provided on the upper end surface of the base body 21, the cutout portion 24 of the movable portion 22 is screwed onto the base body 21 and fitted into the thumb nut 25, and the butterfly nut 25 is attached. By tightening, the nylon rope 10 is sandwiched between the base body 21 and the movable portion 22, and the nylon rope 10 is prevented from coming off.

[0015]

[Effect of device]

 The present invention is a scaffolding bolt for a utility pole, which is used as a scaffold when going up and down the utility pole by screwing a screw part to the pillar body of the utility pole, and opening and closing a switch installed on the pole of the utility pole. Since the winding stopper for winding the string fixed to the operation handle is formed in a substantially U shape and the bottom of the winding stopper is attached to the tip of the scaffold bolt, it is a string for opening and closing the switch. The body can be wrapped around the winding stop to be fixed. As a result, it is possible to prevent the person doing the electrical work from sliding his or her feet on the cord at the scaffolding part of the scaffolding bolt, where the person doing the electrical work puts his foot when going up and down the telephone pole. It has the effect of ensuring the safety of In addition, by winding the cord around the scaffold, it is possible to prevent the appearance from being unsightly. Furthermore, since the winding stop is formed in a substantially U shape, it is possible to easily and easily wind and fix a plurality of cords with one hand at the same time, and the work time on the telephone pole can be shortened. There is also the effect.

[Brief description of drawings]

FIG. 1 illustrates Example 1 and is a diagram illustrating a state in which a scaffolding bolt is attached to a utility pole.

FIG. 2 shows the same as above, (a) is an external side view,
(B) is an external front view.

FIG. 3 is an external side view showing a second embodiment.

FIG. 4 is an external side view showing another shape of the winding stop portion of the scaffolding bolt.

FIG. 5 is an external side view showing a modified example of the winding stop portion of the scaffolding bolt.

FIG. 6 is an external side view showing another modified example of the winding stop portion of the scaffolding bolt.

FIG. 7 is an external side view showing still another modified example of the winding stop portion of the scaffolding bolt.

FIG. 8 is a schematic configuration diagram for explaining a conventional example.

FIG. 9 is an external front view of the switch.

[Explanation of symbols]

 1 Scaffolding bolt 2 Screw part 3 Scaffolding part 4 Winding stop part 4a Arm 4b Base part 4c Projection part 5 Nut 6 Bolt hole 7 Nut 10 Nylon rope 11 Label 11a Mounting hole

Claims (1)

[Scope of utility model registration request] 1. A utility pole scaffolding bolt for use as a scaffold for ascending and descending a utility pole by screwing a screw portion to a utility pole pillar body, wherein the switch installed on the utility pole pillar is used. A scaffolding bolt for a telephone pole, characterized in that a winding stop portion for winding a string fixed to an operation handle for opening and closing is formed in a substantially U shape, and a bottom portion of the winding stop portion is attached to a tip of the scaffolding bolt.