JPH0541318U - Cable pulling tool - Google Patents

Abstract

(57) [Abstract] [Purpose] The purpose of the present invention is that it can be easily attached to a power pole, and when the CCP-SS (G type) cable is retained on the power pole,
CCP-SS at the position where the SS (G type) hinge or hardware is clamped.
(G type) To provide a cable pulling tool configured so that a cable can be pulled up. [Structure] A base member 8 which is seated on an outer peripheral surface of an electric pole 2 to be attached, an electric pole attaching means 7 for detachably attaching the base member 8 to the electric pole 2, and the base member 8
And a cable suspension arm 12 integrally attached to the lower end of this screw member 11
The cable suspending member 13 suspended at both ends of the cable suspending arm 12 and the upper end side of the screw member 11 are rotatably screwed together and the base plate 8 is not supported. It is characterized in that it is provided with a rotation input member 10 provided so as to be freely rotatable and restricted from moving in the axial direction.

Description

[Detailed description of the device]

[0001]

[Industrial applications]

 The present invention relates to a cable pulling tool used for holding a CCP-SS (G type) cable on a utility pole.

[0002]

[Prior Art]

 Conventionally, the aerial cables such as the CCP-SS (G type) cables are hung on the utility poles provided at regular intervals, respectively, by the suspension wagon (No. 2 wagon, No. 4 wagon, car). After attaching the wagon, etc.), connect the tow end of the CCP-SS (G type) cable to the rear end of the pilot wire drawn through these hanging wagons, and power winch (vehicle winch). By pulling the pilot wire. In particular, the CCP-SS (G type) cable with respect to the utility pole is retracted to the SS (G type) hinge hardware 1 mounted on the upper part of the utility pole 2 as shown in FIGS. This is done by holding the supporting line 4 of the SS (G type) cable 3, but before the support line 4 is retracted, a cable twist insertion tool (not shown) is used. CCP-SS (G type) cable 3 is used to insert a twisting wire, and a part of the support wire 4 is clamped by the SS (G type) hinge hardware 1 so that the CCP- The support line 4 of the SS (G type) cable 3 is cut with a knife at the boundary between the support line 4 and the cable, and a part of the support line 4 (hereinafter referred to as "supporting line holding portion 5a") is cabled. Work to pull the support wire holding part 5a away from the metal piece 1 with good durability. For (G type) is sandwiched butterfly or hardware 1 to allow advance, directly to the support wire clamping portion 5a outside circumference of the PE coating Rainga - the task of winding the de 6 is made.

[0003]

[Problems to be solved by the device]

 However, until the support wire holding part is held and fixed by the holding part of the SS (G type) hinge, the operator must lift the heavy CCP-SS (G type) cable with his shoulder. Since it is necessary to continue supporting and spending a lot of labor, it has been desired to develop a tool that can release workers from this heavy labor.

An object of the present invention is that it can be easily attached to a utility pole, and when the CCP-SS (G type) cable is retracted, the support wire holding portion of the CCP-SS (G type) cable is connected to the SS ( (G type) To provide a tool for pulling up a cable that can be pulled up to a position where a hinge is clamped.

[0005]

[Means for Solving the Problems]

 In order to achieve the above object, the present invention provides a base member which is seated on an outer surface of an electric pole and attached thereto, an electric pole attaching means for detachably attaching the base member to an electric pole, and the base member. A screw member screwed up and down freely, a cable suspension arm integrally attached to the lower end of the screw member, and a cable suspension member suspended at both ends of the cable suspension arm. And a rotation input member rotatably engaged with the upper end side of the screw member and rotatably attached to the base plate while restricting movement in the axial direction. It is a thing.

[0006]

[Action]

 After the line guard is wound around the support wire holding part of the CCP-SS (G type) cable and the support line holding part is held on the SS (G type) hinge metal part, use the utility pole or metal object. More appropriately, a base plate is attached to the outer peripheral surface of the electric pole by means of electric pole attaching means, and then the CCP-SS (G type) cable is supported by the suspending members at both ends of the cable suspension arm, and thereafter. , The rotation input member is rotated to the pulling side of the rod member, and the support wire holding portion of the CCP-SS (G type) cable is moved up and down to the holding portion position of the CCP-SS (G type) hinge.

[0007]

【Example】

 A preferred embodiment of the present invention will be described below with reference to the accompanying drawings.

FIG. 1 is a partial cross-sectional view of a cable pulling tool according to the present invention seen from the side, FIG. 2 is a plan view thereof, and FIG. 3 is a detailed view of a main part of the cable pulling tool according to the present invention. FIG. 4 is a sectional view showing a utility pole mounting means of the cable pulling tool according to the present invention.

As shown in FIGS. 1 to 3, the cable pulling tool according to the present invention is seated on the outer peripheral surface of a power pole 2 by a power pole mounting means 7 (see FIG. 4) such as a band metal fitting or a link chain. A state in which a base plate (base member) 8 to be attached and a hole 9 provided at the center of the tip of the base plate 8 are rotatable about a vertical axis and are restricted from moving in the axial direction. Nut member (rotation input member) 10 attached to the screw member 11, a screw member 11 screwed to the nut member 10 and a cable suspension arm integrally attached to the lower end of the screw member 11. 12 and a suspension metal wheel 13 (cable suspension) for suspending the CCP-SS (G type) cable 3 by means of both ends, which are respectively suspended at both ends of the cable suspension arm 12. Members) and the base plate 8 is attached to both ends of the base plate in a hanging manner. The lower end of the cable is attached to the cable suspension arm 12 so as to penetrate the cable suspension arm 12 to restrain the rotation of the cable suspension arm 12 when the nut member 10 rotates and assist the lifting and lowering of the cable suspension arm 12. The guide rod 14 of FIG.

The base plate 8 is formed into a V-shape or a trapezoid shape that is comfortable to sit on the outer peripheral surface of the utility pole 2, and the link chain type utility pole mounting means 7 is shown in detail in FIG. As described above, a screw type chain tension adjusting device 15 attached to one end of the base plate 8 and a chain holder 16 as a chain engaging / disengaging metal fitting attached to the other end of the base plate 8. The chain tension adjusting device 15 and a chain holder 16 are provided around the chain tension adjusting device 15 to generate tension. The chain holder 16 is usually formed by casting or forging, and has a recess 18 that accommodates one link of the link chain 17 in a horizontal position so that the link can be detachably engaged, and the adjacent link intersecting the link at a right angle can be vertically attached. It has a slit portion 19 for keeping it engaged in the posture. The chain tension adjusting device 15 is provided with a clevis bolt 20 rotatably supported on the base plate 8 so as to be rotatable in a horizontal direction, a chain connecting fitting 21 fitted to the clevis bolt 20, and a chain. The clevis nut 22 is screwed into the clevis bolt 20 to adjust the axial position of the connection fitting 21. As shown in detail in FIG. 3, the nut member 10 is a bush-shaped first bush-shaped member which is inserted upward from the lower surface of the base plate 8 and is seated on the lower surface of the base plate 8. It is composed of a nut 23 and a handle-shaped second nut 25 provided by being screwed into a male screw 24 formed on the outer peripheral surface of the first nut 23. A spring pin 26a is used to fix the first nut 23 and the second nut 25.

As shown in FIGS. 1 and 2, the cable suspension arm 12 has a central arm mounting base 26 and both ends of the arm mounting base 26 coaxially and integrally with each other. And a gold wheel mounting arm 27 formed from a pipe having a round or rectangular cross section for weight reduction. As shown in FIG. 1, the arm mounting base 26 has arm engaging portions 28 for fitting one end portions of the gold wheel mounting arm 27 to both ends thereof for fitting. Further, a bush 29 for guiding the guide rod 14 slidably in the vertical direction is integrally provided at a position inward of the engaging portion 28. Each gold wheel attachment arm 27 has a gold wheel attachment metal fitting 30 for suspending the hanging gold wheel 13 attached to the tip end thereof, and a fixed wire between the support wire 4 and the cable. A wedge member 31 (see FIG. 5) for making a gap is attached by a hanging string (not shown). The arm mounting base 26 and the arm engaging portion 27 are integrated with each other by connecting the male and female screws formed on the inner and outer peripheral surfaces of the arm mounting base 26 or the arm mounting base 26 and the gold wheel mounting arm. It is made by a bolt having a length penetrating the hole 27 in the radial direction and a nut or welding which is screwed to the bolt.

Next, the handling of the cable pulling tool according to the present invention will be briefly described.

After winding the line guard 6 (see FIG. 6) around the support wire holding portion 5a of the CCP-SS (G type) cable 3, the line guard 6 (see FIG. 6) is appropriately positioned above the SS (G type) hinge hardware 1. As shown in FIG. 4, with the base plate 8 seated on the outer peripheral surface of the electric pole 2, the two links on the tip side of the link chain 17 are connected to the recess 18 and the slit 19 of the chain holder 16 (see FIG. 4), and then the clevis nut 22 is turned to the tightening side, and the base plate 8 is attached to the electric pole 2. Next, as shown in FIG. 1, the second nut 25 is loosened, the screw member 11 is appropriately lowered, and the CCP is mounted on the roller of the hanging wheel 13 (or No. 2 gold wheel attached using the metal wheel hanging bracket). -Support the SS (G type) cable 3.

Thereafter, as shown in FIG. 5, the wedge member 31 is inserted between the cable portion 3a and the support wire holding portion 5a, and in this state, the second nut 25 is rotated in the tightening direction. The screw member 11 is raised to set the position of the support wire holding portion 5a of the CCP-SS (G type) cable 3 to a position where it can be easily moved to the holding portion of the SS (G type) hinge or hardware 1. It Next, the support wire holding part 5a is engaged with the holding part of the SS (G type) hinge metal 1, and the hinge 1 is tightened with a bolt to complete the holding of the support wire 4.

Of course, the cable pulling tool according to the present invention can also be used for cable straddling, and the second nut 25 is not formed in the shape of a handle, but on the upper part of the nut member 10. It is of course also possible to form it so as to attach a well-known ratchet type nut turning tool. The band metal used in place of the chain-type electric pole mounting means 7 is a band metal fitting that is usually used for holding a branch line of the electric pole 2, and the base plate 8 is integrally attached thereto. Of course it is possible.

[0016]

[Effect of the device]

 As is apparent from the above description, according to the present invention, the cable before retaining can be easily moved up and down with a very small force, and the support wire holding portion can be easily attached to the hinge metal. It has the excellent effect of being able to.

[Brief description of drawings]

FIG. 1 is a partial sectional view of a cable pulling tool according to the present invention as viewed from the side.

FIG. 2 is a plan view of a cable pulling tool according to the present invention.

FIG. 3 is a detailed cross-sectional view of an essential part of a cable pulling tool according to the present invention.

FIG. 4 is a perspective view showing a utility pole mounting means of a cable pulling tool according to the present invention.

FIG. 5 is a diagram showing a stage of a CCP-SS (G type) cable before being detained.

FIG. 6 is a view showing a fixed state of a CCP-SS (G type) hook and metal for holding a CCP-SS (G type) cable and a support wire holding portion.

[Explanation of symbols]

 2 utility pole 7 utility pole mounting means 8 base member 10 rotation input member (nut member) 11 screw member 13 cable suspension member (suspension wheel)

Claims (1)

[Scope of utility model registration request] 1. A base member which is seated on and attached to an outer peripheral surface of an electric pole, an electric pole attaching means for detachably attaching the base member to an electric pole, and a screw member which is vertically movable with respect to the base member. Screw member, a cable suspension arm integrally attached to the lower end of the screw member, a cable suspension member suspended at both ends of the cable suspension arm, and the screw member The upper end side is rotatably screwed, and the base plate is provided with a rotation input member rotatably and axially restricted from the base plate. -Bull pulling tool.