JP2018148652A - Winding device of winding grip for electric wire - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a winding device of a winding grip for an electric wire, in which a spiral winding grip is easily attached/detached to/from an overhead electric wire.SOLUTION: A winding device of a winding grip for an electric wire comprises: a holding part 4 that freely-movably holds an overhead electric wire 2; and pressing parts 5a and 5b that press a winding grip 3 to a peripheral direction. The holding part 4 is rotated to the peripheral direction while moving along the overhead electric wire 2. In the pressing parts 5a and 5b, a spiral mounting part 8 of the winding grip 3 is sequentially pressed out. The mounting part 8 is wound to a periphery of the overhead electric wire 2, and the mounting part 8 is released from the periphery of the overhead electric wire, and thus, the winding grip 3 is attached/detached.SELECTED DRAWING: Figure 4

Description

  The present invention relates to a winding device for an electric wire winding grip for attaching and detaching a spiral winding grip to an overhead electric wire.

  In the unlikely event that an overhead wire breaks due to lightning damage, an accident, or deterioration, a charged wire may fall to the ground, resulting in an electric shock.

  On the other hand, for example, in Patent Document 1, a spiral winding grip is attached to each of a plurality of parallel overhead wires, and a rope is locked to the winding grip so that the rope is stretched between the plurality of wires. The technology which prevents the broken part of the broken overhead electric wire from reaching to the ground by installing is disclosed.

Japanese Patent Laying-Open No. 2007-312821 (paragraphs 0005 and 0007)

  However, since the winding grip described in Patent Document 1 is to be attached to a charged electric wire, for example, the tip of an insulated rod-shaped tool is locked to the winding grip to attach the winding grip. It is necessary to repeat the operation of wrapping around each half of the wire several times, so that the mounting work takes time and the electric wire may be damaged.

  An object of the present invention is to provide a winding device for an electric wire winding grip that can easily attach and detach a spiral winding grip to an overhead electric wire.

  In order to achieve the above object, a winding device for an electric wire winding grip according to the present invention is for attaching and detaching a spiral winding grip to an overhead electric wire, And an extruding part that pushes the winding grip in the circumferential direction when the gripping part rotates along the overhead electric wire and rotates in the circumferential direction.

  According to the above configuration, by rotating the gripping part for gripping the overhead electric wire in the circumferential direction while moving along the overhead electric wire, the winding grip is pushed out in the circumferential direction by the push-out part and wound around the overhead electric wire. It can be unwound from around the overhead wire. Moreover, since the winding grip is spiral, the extrusion part can be slid along the spiral inclination of the winding grip only by rotating the gripping part in the circumferential direction so as to extrude the winding grip in the circumferential direction. The grip portion can be moved in a direction along the overhead electric wire.

  In addition, an opening for separating the grip portion in the circumferential direction may be provided, and the pushing portion may be set on the end surface of the grip portion facing the opening.

  According to this structure, since an extrusion part is set by forming opening in a holding part, the member only for an extrusion part can be made unnecessary. Moreover, since the pushing portion is set at a position facing the opening of the gripping portion, the pushing portion can be brought as close as possible to the outer surface of the overhead electric wire, and the winding grip wound around the outer surface of the overhead electric wire can be pushed out without difficulty.

  Further, as the push-out portion, a push-out push portion that is pushed out in the circumferential direction when the winding grip is attached may be provided, and the push-out push portion for attachment may be set to be inclined in the push direction with respect to the radial direction.

  According to this configuration, since the mounting extrusion portion is inclined in the extrusion direction, when the winding grip is mounted, the winding grip can be pressed inward in the radial direction while pushing the winding grip in the circumferential direction, and the winding grip is aerial. It can be wound around the wire without difficulty. Here, “inclined in the extrusion direction with respect to the radial direction” refers to a state in which the outer portion is positioned forward in the extrusion direction in the radial direction in the mounting pushing portion.

  Further, as the push-out portion, a removal push-out portion that pushes in the circumferential direction when removing the winding grip is provided, and this push-out push portion is set to be inclined with respect to the radial direction opposite to the push-out direction. Also good.

  According to this configuration, the removal extrusion part is inclined to the opposite side to the extrusion direction. Therefore, when removing the winding grip, the winding grip can be pressed outward in the radial direction while pushing the winding grip in the circumferential direction. Can be unreasonably solved from around the overhead wire. Here, “inclined to the opposite side to the extrusion direction with respect to the radial direction” means a state in which the outer portion is positioned rearward in the extrusion direction in the radial direction in the removal pushing portion.

  Moreover, you may make it provide the spring which urges | biases a holding part in the direction which tightens an overhead electric wire.

  According to this configuration, since the overhead wire is gripped by the grip portion via the spring biasing force, the clearance between the grip portion and the outer peripheral surface of the overhead wire is reduced while preventing the overhead wire from being tightened with excessive force. can do. Thereby, while enabling movement with respect to the overhead electric wire, the overhead electric wire can be securely gripped, and the winding grip can be prevented from being caught between the grip portion and the outer peripheral surface of the overhead electric wire.

  Moreover, you may make it set the width | variety in the direction in which an extrusion part follows an overhead electric wire to be shorter than the helical pitch of a winding grip.

  According to this configuration, it is possible to prevent the extruded portion from becoming excessively large in the width direction while enabling winding of the winding grip by stable extrusion. That is, since the extruding part contacts two points of the spiral winding grip, it is possible to stably extrude the extruding part of the winding grip by increasing the interval between the contact points. Even if is increased, the distance between the two contact points will not be larger than the helical pitch. Therefore, by setting the width of the extruding part to be smaller than the helical pitch, it is possible to prevent the useless part that does not contribute to the stability of the extruding part of the winding grip from occurring in the extruding part.

  As described above, according to the present invention, the winding wire is pushed out in the circumferential direction by the pushing portion by holding the overhead wire in the holding portion and rotating in the circumferential direction while moving along the overhead wire. . As a result, the spiral winding grip can be easily attached to and detached from the charged overhead electric wire in a short time without causing an electric shock accident or damage to the electric wire.

The perspective view of the winding apparatus of the winding grip for electric wires which concerns on this invention 1 is a longitudinal sectional view of the winding device of FIG. Perspective view of overhead wire and winding grip The figure which shows the state of the winding start of the winding grip to an overhead electric wire The figure which shows the state of the end of winding of the winding grip to an overhead electric wire The figure which shows the state of the start of the winding grip from an overhead electric wire The figure which shows the state at the end of the unwinding of the winding grip Sectional view showing the vicinity of the opening The perspective view which shows another form of a winding apparatus The perspective view which shows another form of a winding apparatus

  EMBODIMENT OF THE INVENTION Hereinafter, the form for implementing the winding apparatus of the winding grip for electric wires which concerns on this invention is demonstrated using drawing.

  As shown in FIGS. 1 to 7, the winding device 1 includes, for example, each overhead wire 2 so that a rope is stretched between a plurality of parallel overhead wires 2 to prevent the overhead wires 2 from dropping due to disconnection. In addition, a spiral winding grip 3 that locks the rope is attached and detached. A gripping part 4 that grips the overhead electric wire 2 movably, and the gripping part 4 moves along the overhead electric wire 2. Extruding portions 5a and 5b for pushing the winding grip 3 in the circumferential direction when rotating in the circumferential direction, and operation portions 6a and 6b for rotating the grip portion 4 are provided.

  The winding grip 3 is formed, for example, with a U-shaped locking portion 7 for locking a rope at the center of a flexible metal wire, and spirally formed on both sides of the locking portion 7. The mounting portions 8 are formed, and the mounting portions 8 are wound around the overhead electric wire 2 while being bent (see FIGS. 3 to 5).

  The grip portion 4 is a substantially rectangular parallelepiped as a whole, and is divided into a pair of divided bodies 4a and 4b in the divided portion 9, and is integrated so as to be able to approach and separate through the shaft 10, and the shaft 10 divides the divided body 4a. The divided body 4b is elastically supported while being movably supported. The grip 4 has a circular central hole 11 through which the overhead electric wire 2 is inserted in the center in a state in which the divided bodies 4a and 4b are close to each other, and the grip 4 is extended from the center hole 11 to the outside in the circumferential direction. A substantially fan-shaped opening 12 to be separated is formed.

  The dividing portion 9 is set so as to be parallel to one surface of the rectangular parallelepiped constituting the gripping portion 4 and orthogonal to the shaft 10, and provided in a range from the central hole 11 of the gripping portion 4 to one outer edge. 9 and the opening 12 divide the grip 4 into divided bodies 4a and 4b.

  The shaft 10 is formed with a distal end side stopper 14 for restricting the movement of the divided body 4a toward the distal end side via the disc spring 13 at the distal end, and at the intermediate portion with the base of the divided body 4a via the disc spring 15. A proximal-side stopper 16 that restricts movement toward the end side is formed, and a screw 17 that is screwed into the divided body 4 a is formed between the distal-end side stopper 14 and the proximal-side stopper 16.

  A handle 18 that rotates the shaft 10 is provided at the base end of the shaft 10, and the segment 18 b passes between the handle 18 and the base end side stopper 16. An urging spring 19 is provided between the handle 18 and the divided body 4b to urge the divided body 4b toward the proximal end side stopper 16 so as to urge the grip portion 4 in a direction in which the overhead electric wire 2 is tightened. It has become.

  The divided body 4 a is made of, for example, synthetic resin, and the screw 17 of the shaft 10 is screwed into the shaft hole 20 formed at a position shifted from the central hole 11, and moves in the shaft axial direction as the shaft 10 rotates.

  The divided body 4b is made of, for example, a synthetic resin, and the shaft 10 penetrates the shaft hole 21 formed at a position shifted from the central hole 11, and allows the shaft 10 to rotate without moving in the shaft axis direction. A recess 22 that accommodates the disc spring 15 and the base end side stopper 16 of the shaft 10 and a recess 23 that accommodates the biasing spring 19 are formed at the peripheral edge of the opening on both sides of the shaft hole 21.

  The central hole 11 of the grip portion 4 is formed by arc grooves 11a and 11b formed on the mutually opposing surfaces of the divided bodies 4a and 4b, and the R of each arc groove 11a and 11b is set to have a larger diameter than the overhead wire 2. Has been.

  The opening 12 of the grip portion 4 is formed between the end surface of the divided body 4a that extends from the outer edge of the arc groove 11a to the outer edge of the grip portion 4 and the end surface of the split body 4b that extends from the outer edge of the arc groove 11b to the outer edge of the grip portion 4. Extruded portions 5 a and 5 b are set on the end surface of the grip portion 4 facing the opening 11.

  The pushing portions 5 a and 5 b are set to have a width (W) in the direction along the overhead electric wire 2 shorter than the spiral pitch (P) of the winding grip 3.

  The extruding part 5a set in the divided body 4a inclines the end surface of the divided body 4a with respect to the shaft 10 at an angle of about 45 °, for example, and an angle (θa) in the pushing direction with respect to the radial direction of the central hole 11. When the winding grip 3 is mounted on the overhead electric wire 2, the mounting push portion is pushed out in the circumferential direction (see FIG. 8).

  The extruding portion 5b set in the divided body 4b is configured by setting the end surface of the divided body 4b in parallel with the shaft 10 and inclining it by an angle (θb) on the opposite side to the extruding direction with respect to the radial direction. When the attachment grip 3 is removed from the overhead electric wire 2, it is used as a removal pushing portion that pushes in the circumferential direction (see FIG. 8).

  The operation portions 6a and 6b are provided on both sides of the shaft hole 20 of the divided body 4a, and the tool is engaged with the operation holes 24a and 24b at the tips of the operation portions 6a and 6b. The grip 4 is rotated. The operation portions 6 a and 6 b are formed so that the centers of the operation holes 24 a and 24 b are arranged concentrically with the center hole 11 as the center.

  Next, a procedure for attaching and detaching the winding grip 3 to the overhead electric wire 2 using the winding device 1 will be described.

  As shown in FIGS. 3 to 5, in order to attach the winding grip 3 to the overhead wire 2, first, the base of one mounting portion 8 of the winding grip 3 is hung on the overhead wire 2 (see FIG. 3). The handle 18 is operated to grip the overhead electric wire 2 with the grip portion 4 while positioning the vicinity of the base of the mounting portion 8 inside the opening 12 (see FIG. 4).

  Next, a tool is engaged with the operation parts 6a and 6b to rotate the winding device 1 around the overhead electric wire 2, and the attaching part 8 of the winding grip 3 is moved in the circumferential direction by the pushing part 5a as the pushing part for attaching. While extruding, the winding device 1 is moved along the overhead wire 2 to the tip side of the mounting portion 8. At that time, the winding device 1 moves along the overhead electric wire 2 along the overhead wire 2 so that the winding device 1 can be rotated around the overhead wire 2 by sliding along the spiral inclination of the mounting portion 8. Move to.

  As a result, the spiral mounting portion 8 is wound around the overhead wire 2 in order from the base toward the distal end side (see FIG. 5), and the opposite mounting portion 8 is wound around the overhead wire 2 in the same procedure. Thus, the mounting of the winding grip 3 is completed.

  Here, since the width | variety (W) of the extrusion part 5a is shorter than the helical pitch (P) of the mounting part 8, the mounting part 8 can be stably extruded at two points, without remaining in the width direction. And since the extrusion part 5a inclines in the extrusion direction with respect to the radial direction, it can wind smoothly so that the mounting part 8 may be pressed on the surface of the overhead electric wire 2 (refer FIG. 8).

  On the other hand, as shown in FIGS. 6 and 7, in order to remove the winding grip 3 from the overhead wire 2, first, the handle 18 is operated and the tip of the mounting portion 8 is positioned inside the opening 12. The overhead electric wire 2 is gripped by the grip portion 4 (see FIG. 6).

  Next, a tool is engaged with the operation parts 6a and 6b, the winding device 1 is rotated around the overhead electric wire 2, and the attaching part 8 of the winding grip 3 is moved in the circumferential direction by the extruding part 5b as the extruding part for removal. While extruding, the winding device 1 is moved along the overhead wire 2 to the base side of the mounting portion 8. At that time, the winding device 1 moves along the overhead electric wire 2 along the overhead wire 2 so that the winding device 1 rotates around the overhead wire 2 by sliding the pushing portion 5b along the spiral inclination of the mounting portion 8. Move to.

  As a result, the spiral mounting portion 8 is unwound from the periphery of the overhead wire 2 in order from the tip portion toward the base side (see FIG. 7), and the opposite mounting portion 8 is unfastened from the overhead wire 2 in the same procedure. Thus, the removal of the winding grip 3 is completed.

  Here, since the extrusion part 5b has a width (W) shorter than the helical pitch (P) of the mounting part 8, the mounting part 8 can be stably pushed out at two points without remaining in the width direction. And since the extrusion part 5b inclines to the opposite side to the extrusion direction with respect to the radial direction, it can be smoothly unwound so that the mounting part 8 may be pulled away from the surface of the overhead electric wire 2 (see FIG. 8).

  In addition, this invention is not limited to said embodiment, A change can be suitably added within the scope of the present invention. For example, as shown in FIG. 9, the winding device 25 can be inserted between the overhead wire 2 and the winding grip 3 instead of providing the opening 12 in the grip portion 4 to form the extrusion portions 5 a and 5 b. The grip portion 26 may be formed of a plate having a thickness of about a degree, and the rod-shaped extrusion portion 27 may protrude outward from the grip portion 26.

  Further, as shown in FIG. 10, as the winding device 28, a plate-like extrusion portion 30 is projected from the grip portion 29 in the vicinity of and parallel to the overhead electric wire 2, and the winding grip 3 is pushed out by the extrusion portion 30. It may be. A taper 31 is formed on the grip 29 of the winding device 28 so that the tip of the winding grip 3 can be smoothly passed over.

DESCRIPTION OF SYMBOLS 1 Winding apparatus 2 Overhead electric wire 3 Winding grip 4 Grip part 4a, 4b Divided body 5a Extrusion part (extrusion part for mounting)
5b Extrusion section (removal extrusion section)
6a, 6b Operation part 7 Locking part 8 Mounting part 9 Dividing part 10 Shaft 11 Center hole 11a, 11b Arc groove 12 Opening 13 Disc spring 14 Tip side stopper 15 Disc spring 16 Base end side stopper 17 Screw 18 Handle 19 Energizing spring 20 Shaft hole 21 Shaft hole 22 Recess 23 Recess 24a, 24b Operation hole 25 Winding device 26 Gripping part 27 Pushing part 28 Winding device 29 Gripping part 30 Pushing part 31 Taper

Claims (6)

  A winding device for attaching and detaching a spiral winding grip to an overhead electric wire, the gripping portion for gripping the overhead electric wire movably, and the gripping portion rotating in the circumferential direction while moving along the overhead electric wire A winding device for a winding grip for an electric wire, comprising: an extruding portion that pushes the winding grip in a circumferential direction when the winding grip is performed.   The winding device for a wire winding grip according to claim 1, wherein an opening for separating the grip portion in the circumferential direction is provided, and the pushing portion is set on an end surface of the grip portion facing the opening. .   As the extruding part, there is provided an extruding part for mounting that is pushed out in the circumferential direction when the winding grip is attached, and the extruding part for mounting is set to be inclined in the extruding direction with respect to the radial direction. The winding device of the winding grip for electric wires according to claim 1 or 2.   As the extruding part, a removing extruding part for extruding in the circumferential direction when removing the winding grip was provided, and the extruding part for removing was set to be inclined to the opposite side of the extruding direction with respect to the radial direction. The winding device of the winding grip for electric wires according to claim 1, 2, or 3.   The winding device for a winding grip for an electric wire according to any one of claims 1 to 4, further comprising a spring that biases the grip portion in a direction in which the overhead electric wire is tightened.   The winding device for a wire winding grip according to any one of claims 1 to 5, wherein the pushing portion has a width in a direction along the overhead electric wire set to be shorter than a helical pitch of the winding grip. .

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