JP5519040B1 - Electric wire scraper - Google Patents

Abstract

The present invention divides a wire into a fixed portion that serves as a portion for correcting the wrinkle and a movable portion having a function of pulling the wire, thereby enabling local rework without moving the wire more than necessary. Providing a wire scraper.
A main body 3 is detachably attached to the tip of an operating rod 2 and a large diameter is provided on the main body 3 and abuts against an electric wire 7 that needs to be trimmed. The wire fixing portion 4 having the arc portions 42 and 43 and the main body portion 3 are arranged at predetermined intervals on both sides of the large diameter arc portions 42 and 43 and are in contact with the large diameter arc portions 42 and 43. A pair of movable rollers 53 and 54 that abut against the electric wire 7 from the side opposite to the abutting direction of the large-diameter arc portions 42 and 43 and push and pull the electric wire 7 with respect to the large-diameter arc portions 42 and 43 are provided. It is comprised by the electric wire movable part 5. FIG.
[Selection] Figure 3

Description

  The present invention relates to an electric wire scraper for indirect hot wire work used for straightening electric wires.

As this type of wire scraper, those shown in Patent Documents 1 to 3 below are known.
Among these, Patent Document 1 (Japanese Patent Application Laid-Open No. 2006-129609) discloses that the engagement position with the electric wire can be displaced without using hydraulic pressure, and the electric wire is easily engaged with the electric wire at a high place to bend the electric wire. A wire-like bender device that can be connected to each other by connecting a rod-like short member and a rod-like long member with a Kiza seat adapter that can be set at any desired angle, and a pair of pins to either of the female screws It is made to stand by being screwed, and the electric wire is bent by hooking the electric wire between the pins of the short member and turning it by the long member to be gripped.

  Patent Document 2 (Japanese Patent Application Laid-Open No. 2006-129610) discloses a long part in which a male screw is formed and a coaxial rotation at the upper end of the long part in order to achieve the same problem as that of Patent Document 1 described above. A first support member having a short part in which a pair of pins are erected freely and a joint to which a long insulating operation rod is fixed and fixed to the lower end of the long part, and the long part An electric wire bender device has been proposed in which a female screw that is screwed to the male screw is formed at the top and a pair of pins is formed by an inverted triangular second support member that can stand upright on the left and right sides of the upper side. .

  Furthermore, Patent Document 3 (Japanese Patent Laid-Open No. 2012-222985) provides an indirect hot wire tool capable of working without changing the indirect hot wire tool in work such as wire rectification. In this indirect live tool, the gripping portion having a pair of gripping pieces, the operating portion for operating the gripping portion, the gripping portion and the operating portion are separated and supported, and input is made via the operating portion. A support transmission unit configured to transmit an operation force to the gripping unit; and an angle adjustment unit configured to adjust a setting angle of the gripping unit. The angle adjustment unit includes a pin receiving unit, a pin unit inserted therein, and the pin unit. An angle adjustment pin having a flange portion formed at one end of the pin, an elastic body that urges the pin portion to the opposite side of the flange portion, and a plurality of engagement recesses with which the pin portion engages. .

  As described above, if the electric wire bender device disclosed in Patent Documents 1 and 2 is used, the electric wires (edge lines) are brazed so that an appropriate separation distance is provided between the electric wires, the brace, and the support. As the amount of electricity used increases, the thickened wires can be easily bent, and the charged wires can be brazed safely. Moreover, if the tool for indirect hot wire disclosed by patent document 3 is used, it will be possible to braze an electric wire and to correct an electric wire.

JP 2006-129609 A JP 2006-129610 A JP 2012-222985 A

  However, in cutting work of high-voltage underline (edge line), etc., it is necessary to extend the wire rod as much as possible to make it as straight as possible. However, in the above-mentioned conventional apparatus, the completion after the completion of the work is arranged. In many cases, the wire is pushed or pulled in the extending direction so that the wire is traced, resulting in inconvenience that the fluctuation of the wire becomes large. In addition, since the electric wire cannot be partially straightened, there is a problem that a relatively large work space is required in the work of scraping.

  The present invention has been made in view of such circumstances, and is divided into a fixed part that becomes a part for correcting the wrinkles of the electric wire and a movable part that has a function of pulling the electric wire, so that the electric wire is locally moved without moving more than necessary. The main problem is to provide an electric wire scraper that can be easily corrected.

In order to achieve the above object, an electric wire scraper according to the present invention includes a main body portion that is detachably attached to the tip of an operating rod, an electric wire that is provided on the main body portion and needs to be trimmed. An electric wire fixing part having a large-diameter arc part in contact with the electric wire fixed to the main body part, arranged at predetermined intervals on both sides of the large-diameter arc part, and with respect to the electric wire contacting the large-diameter arc part Abutting from the direction opposite to the arcing direction of the arc part, push and pull the electric wire against the large-diameter arc part (pushing or loosening the electric wire against the large-diameter arc part by sandwiching the electric wire between the large-diameter arc part) And a movable wire portion having a pair of movable rollers, and the movable rollers of the movable wire portion are respectively fixed to the distal ends of a pair of rotatable arm portions extending from the main body portion. And the pair of arm portions are mechanically coupled handles. Thus it is characterized in that the driven.

  Therefore, according to the above-described wire scraper, a wire such as a high-voltage underline that requires scraping is brought into contact with the large-diameter arc portion and is sandwiched between the large-diameter arc portion and the movable roller, and the movable roller is moved. By pushing and pulling the electric wire with respect to the large-diameter arc portion, it is possible to locally remove the electric wire.

Further, each rotatably fixing the movable roller of the wire moving part at the tip of the rotatable pair of arms extending from the body portion, causing the driving by handle that is mechanically coupled to the pair of arm portions Since it did in this way, it becomes possible to move a movable roller easily with a handle.

  In addition, the wire scraper according to the present invention includes a main body portion that is detachably attached to the tip of the operation rod, and a large-diameter arc portion that is provided on the main body portion and contacts a wire that needs to be trimmed. An electric wire fixing jig having an electric wire fixing portion, a main body portion detachably attached to the tip of the operation rod, and a large fixing portion of the electric wire fixing jig provided in the main body portion. You may make it comprise with the electric wire movable jig | tool which comprises a pair of movable roller arrange | positioned with a predetermined space | interval so that it can be located with a predetermined space | interval on the both sides of the said electric wire extension direction of a radial arc part.

  According to such a configuration, the electric wire is held by the large-diameter arc portion of the electric wire fixing jig, the electric wire is pressed from the reverse direction by the movable roller of the electric wire moving jig, and the electric wire moving jig is held against the electric wire. By pulling and pulling, the wire can be trimmed.

  Here, the electric wire fixing portion may be formed in an elliptical shape including a pair of large-diameter arc portions arranged opposite to each other and a pair of small-diameter arc portions connecting them. By adopting such a configuration, the wire collecting direction can be changed depending on whether the electric wire is arranged below or on the upper side of the electric wire fixing portion, so that efficient wire-cutting work can be performed. .

  In addition, it is preferable that the outer circumference of the large-diameter arc portion and the movable roller is formed to have a concave cross section so that an electric wire can be attached. By adopting such a configuration, it is possible to prevent detachment after the electric wire is attached.

As described above, according to the present invention, the electric wire to be trimmed is brought into contact with the large-diameter arc portion having a gentle curve, and the electric wire is enlarged by the movable rollers located on both sides of the large-diameter arc portion. Since it can be pressed against the radial arc portion to perform correction, local correction can be performed without moving the electric wire more than necessary.
In addition, by pushing and pulling the electric wire against the large-diameter arc part (pushing the electric wire between the large-diameter arc part and the movable roller and pressing or loosening the electric wire against the large-diameter arc part) Therefore, a large work space is not required even in the staking operation, and it is suitable for wire staking in places where the work space is narrow.

FIG. 1 is a front view showing an electric wire scraper according to a first aspect of the present invention. FIG. 2 is a side view showing the wire scraper according to the first aspect of the present invention. FIG. 3 is an explanatory diagram for explaining a use state of the wire scraper according to the first aspect of the present invention. Fig.4 (a) is the front view and side view which show the electric wire fixing jig of the electric wire scraper which concerns on the 2nd aspect of this invention, (b) is the front view which shows the electric wire movable jig, It is a side view. FIG. 5 is an explanatory view showing an implementation state of the wire scraper according to the second aspect of the present invention.

  Embodiments of the present invention will be described below with reference to the drawings.

  As shown in FIGS. 1 and 2, for example, as shown in FIGS. 1 and 2, the wire scissor 1 according to the first aspect of the present invention includes a main body 3 that is detachably attached to the tip of a long operation rod 2, and the main body. 3 is constituted by an electric wire fixing portion 4 fixed to the upper end of the electric wire 3 and an electric wire movable portion 5.

  The main body 3 includes a mounting portion (joint fitting) 30 having an enlarged diameter so as to be mounted on the operation rod 2, and a handle mechanism 6 for operating the electric wire movable portion 5 is provided. The mounting portion 30 is formed with a substantially T-shaped fixing notch 30a, and the fixing protrusion 20 formed near the tip of the operating rod 2 is fitted into the fixing notch 30a. And the main body 3 are fixed.

The electric wire fixing part 4 includes a support part 40 fixed to the upper end of the main body part 3 and an elliptical part 41 fixed to the tip of the support part 40. The elliptical part 41 is arranged so that its longitudinal direction is perpendicular to the axial direction of the main body part 3. As a result, the pair of large-diameter arc portions 42 and 43 of the elliptical portion 41 are arranged to face each other in the axial direction of the main body portion 3, and the small-diameter arc portions 44 and 44 formed following the pair of large-diameter arc portions 42 and 43. 45 is disposed to face in the direction perpendicular to the axial direction of the main body 3.
The support portion 40 is constituted by a standing portion 40a extending in the axial direction of the main body portion 3 and an inclined portion 40b extending from the standing portion 40a so as to be inclined toward the elliptical portion 41. ing. Further, the outer peripheral surfaces of the large-diameter arc portions 42 and 43 are formed in a concave cross section, thereby improving the mounting property of the electric wire and preventing the electric wire from being detached.

  The electric wire movable portion 5 extends from the peripheral wall portion 31 of the main body portion 3 to the outer side in the radial direction, and extends toward both sides of the elliptical portion 41 from the pair of fulcrum portions 32, 33. A pair of arm portions 51, 52 that are rotatable about support shafts 34, 35 provided at the fulcrum portions 32, 33, and a movable roller 53, which is located at predetermined intervals on both sides of the elliptical portion 41 in the major axis direction. 54.

  The arm portions 51 and 52 are mechanically connected to one end of a handle arm portion 61 constituting the handle mechanism 6 inside the main body portion 3, and are provided at the other end of the handle arm portion 61. By moving the handle ring portion 62 up and down with a bind punch or the like (not shown), the arm portions 51 and 52 are rotated around the fulcrums 32 and 33, and the movable rollers 53 and 54 are moved to the large-diameter arc of the elliptical portion 41. The parts 42 and 43 can be moved so as to be close to each other. Further, the movable rollers 53 and 54 are also formed in a concave cross-section in the same manner as the elliptical portion 41.

  In the above configuration, as shown in FIG. 3A, the electric wire 7 is brought into contact with the large-diameter circular arc portion 42 located below the elliptical portion 41, and the electric wires 7 are disposed above the movable rollers 53 and 54 on both sides. By pressing the electric wire 7 so as to be sandwiched between the elliptical part 41 and the movable rollers 53 and 54, and moving the movable rollers 53 and 54 up and down to pull between the movable rollers of the electric wire 7 and The electric wire 7 is pressed against the large-diameter arc portion 42. Accordingly, it is possible to trim the local range between the movable rollers of the electric wire 7 by expanding and contracting the electric wire 7 from the state indicated by the alternate long and short dash line to the state indicated by the solid line.

  In contrast to the state of FIG. 3A, as shown in FIG. 3B, the electric wire 8 is brought into contact with the large-diameter arc portion 43 located above the elliptical portion 41, and the movable rollers on both sides are brought into contact. The electric wire 7 is brought into contact with the lower part of the electric wires 7, thereby holding the electric wire 7 so as to be sandwiched between the elliptical part 41 and the movable rollers 53, 54, and moving the movable rollers 53, 54 up and down to move the electric roller 7. The electric wire 7 may be pressed against the large-diameter arc portion 42 of the elliptical portion 41 and the electric wire 7 may be trimmed.

  In the wire scraper according to the second aspect of the present invention, the wire fixing portion 4 and the wire moving portion 5 described above are replaced by an independent wire fixing jig 4A and a wire moving jig 5A. . Hereinafter, the same portions as those in the first embodiment and the portions having the same effects are denoted by the same reference numerals, and the description thereof is omitted.

  For example, as shown in FIG. 4A, the electric wire fixing jig 4 </ b> A includes a main body 3 having a mounting portion (joint fitting) 30 for mounting on the operation rod 2, and an upper portion of the main body 3. The support portion 40 is fixed, and the oval portion 41 is fixed to the support portion 40. The elliptical portion 41 is configured by large-diameter arc portions 42 and 43 and small-diameter arc portions 44 and 45 connecting these portions in the same manner as described above.

  For example, as shown in FIG. 4B, the wire moving jig 5 </ b> A includes a main body 3 having a mounting portion (joint fitting) 30 for mounting on the operation rod 2, and an upper portion of the main body 3. 50A, a pair of arm portions 51A, 52A extending from the support portion 50A to both sides, and movable rollers 53A, 54A fixed to the ends of the pair of arm portions 51A, 52A. It is what is done. In this case, the arm portions 51A and 52A are fixed to the support portion 40A so as not to be movable.

  When wire cutting is performed using the wire fixing jig 4A and the wire moving jig 5A, as shown in FIG. 5, the large-diameter arc portion 42 of the wire fixing jig 4A is used. 43, the electric wire 7 is fixed from below or above, and the electric wire moving jig 5A fixes the electric wire from below or above so as to sandwich the electric wire 7, and the movable rollers 53A of the electric wire moving jig 5A, The wire 54A is moved up and down with respect to the wire fixing jig 4A to pull the wire between the movable rollers 52A and 54A and press the wire against the ellipse 41 to trim the wire. In such work, two workers are required to operate each jig, but handling is easy and useful when performing local staking of wires.

DESCRIPTION OF SYMBOLS 1 Electric wire scraper 2 Operation rod 3 Main-body part 4 Electric wire fixing part 4A Electric wire fixing jig 5 Electric wire moving part 5A Electric wire moving jig 6 Handle mechanism 7, 8 Electric wire 30 Mounting part 40, 40A Support part 41 Ellipse part 42 , 43 Large-diameter arc portion 44, 45 Small-diameter arc portion 51, 52, 51A, 52A Arm portion 61 Handle arm portion 62 Handle ring portion

Claims (4)

A main body that is detachably attached to the tip of the operation rod;
An electric wire fixing portion having a large-diameter arc portion that is provided on the main body portion and abuts against an electric wire that needs to be trimmed;
The main body part is arranged at a predetermined interval on both sides of the large-diameter arc part, and abuts against an electric wire abutting on the large-diameter arc part from a direction opposite to the abutting direction of the large-diameter arc part. And an electric wire movable part comprising a pair of movable rollers for pushing and pulling the electric wire with respect to the large-diameter arc part ,
The movable roller of the electric wire movable part is rotatably fixed to the distal ends of a pair of rotatable arms extending from the main body, and the pair of arms is driven by a mechanically coupled handle. An electric wire scraper characterized by that. For fixing an electric wire comprising a main body part that is detachably attached to the tip of the operation rod, and an electric wire fixing part that is provided on the main body part and has a large-diameter arc part that comes into contact with an electric wire that needs to be trimmed. A jig,
A main body portion that is detachably attached to the tip of the operation rod, and a large-diameter arc portion of the fixing portion of the electric wire fixing jig that is provided on the main body portion at predetermined intervals on both sides of the electric wire extending direction. An electric wire scraper comprising: an electric wire moving jig provided with a pair of movable rollers arranged at a predetermined interval so as to be positioned. The wire fixing portion, according to claim 1 or 2, characterized in that it is formed in an elliptical shape having a pair of large-diameter arc portion which is disposed opposite to the these and a pair of small-diameter arcuate portion which continuously arranged Electric wire scraper. The wire scooper according to any one of claims 1 to 3 , wherein an outer periphery of the large-diameter arc portion and the movable roller is formed in a concave shape in cross section.

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