JP2015177689A - Adaptor for indirect hot line work - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide an adaptor for indirect hot line works capable of easily collecting a sheath removed from an electric wire.SOLUTION: An adaptor 10 includes an adaptor main body 1 and engaging means 2. One adaptor main body 1 has a cutting tool 3 at its tip, and another adaptor main body 1 has a stopper 4 with a bottom part 41a with which an end edge of an electric wire W comes into contact. The cutting tool 3 has a tip 32a which can cut into a sheath Wi. The stopper 4 has a first cut groove 41 which can introduce the sheath Wi from an outer peripheral direction on its opposite face 10a. One adaptor main body 1 has a second cut groove 10b which can introduce the sheath Wi from the outer peripheral direction on its opposite face 10a. The adaptor main body 1 has an opened concavity 11h where a holding claw 71a or a holding claw 71b can be inserted, on its bottom face. A pair of holding arms 7a, 7b are closed, the first cut groove 41 and the second cut groove 10b sandwich the sheath Wi, and an insulation operation rod 70 is rotated by 360 degrees around an axis so that the sheath Wi can be collected after the whole circumference of the sheath Wi is cut.

Description

  The present invention relates to an adapter for indirect hot wire construction. In particular, the present invention relates to a structure of an adapter for indirect hot-wire work that can be attached to a pair of open and close gripping arms provided at the tip of an indirect hot-wire tool such as an insulating operation rod and peel off a coating such as a high-voltage underline.

  There are two types of hot-line work that performs high-voltage distribution lines without power interruption: direct hot-wire method and indirect hot-wire method. In the direct hot wire construction method, workers wear protective equipment such as high-pressure rubber gloves and perform power distribution work by directly touching the high-voltage distribution line that is energized. On the other hand, the indirect hot wire method allows the operator to perform power distribution work without directly touching the high-voltage power distribution line that is energized using an insulating operation rod (hot stick) or the like.

  In general, an insulating operation rod is composed of a long operation rod and a power distribution work tool (hereinafter referred to as a tip tool) attached to the tip of the operation rod. And the insulation operating rod is comprised so that a front-end tool can be replaced | exchanged according to the work objectives, such as holding | griping or cutting | disconnecting a high voltage distribution line.

  As an insulating operation rod for gripping such a remotely disposed high-voltage distribution line, an insulating operation rod for remote gripping that can open and close a pair of gripping arms provided at the tip of the insulating operation rod by hand operation, so-called “insulation” Yatko is known.

  In addition to the work to grip the electric wire using the above-mentioned insulating Yatco, indirect hot-wire construction that can attach a pair of opening and closing adapters to a pair of gripping arms and peel off the coating such as the high-voltage underline that branches off from the high-voltage distribution line An adapter is disclosed (for example, refer to Patent Document 1).

  The adapter for indirect hot wire construction according to Patent Document 1 includes a disk-shaped first cutting blade in which one adapter faces the center of the electric wire and can cut the coating from the outer peripheral direction of the electric wire, and the other adapter is the electric wire of the electric wire. A pair of disc-shaped second cutting blades that can be cut from the outer peripheral direction of the electric wire toward the center, and can be cut by rotating either the electric wire or the insulating operation rod around the axis. , And.

  In addition to the work of gripping electric wires using an insulated Yatco, for indirect hot-wire construction that can attach a pair of opening and closing adapters to a pair of gripping arms and peel off the coating such as high-voltage underline that branches off from the high-voltage distribution line An adapter is disclosed (for example, see Patent Document 2).

  The adapter for indirect hot wire construction according to Patent Document 2 has a pair of opening and closing adapters having a cutting blade provided with a semicircular blade edge close to each other and cutting the coating of the electric wire at the tip, and a lower portion of the cutting blade The pair of divided blocks have an accommodation hole into which the end of the electric wire can be inserted when their opposing surfaces abut each other, and the end edge of the electric wire is the bottom surface of the accommodation hole. The cutting length of the coating is defined by abutting on.

JP 2009-201241 A JP 2008-125293 A

  However, the adapter for indirect hot-wire construction according to Patent Document 1 has a cylindrical guide member disposed between a pair of open / close adapters. And the terminal of the electric wire is inserted into the inside of this guide member, and the coating of the electric wire is peeled off. Therefore, there is a problem that the peeled coating remains inside the guide member and it is not easy to collect the peeled coating. There is a need for an adapter for indirect hot wire construction that can easily recover the coating peeled off from the electric wire.

  In addition, the adapter for indirect hot wire construction according to Patent Document 2 can easily recover the coating peeled from the electric wire, but the cutting length of the coating is defined by the distance to the bottom surface of the receiving hole. For this reason, the adapter for indirect hot wire construction according to Patent Document 2 has a problem that it is difficult to change the cutting length of the coating. There is a demand for an adapter for indirect hot-wire construction that makes it easy to vary the cutting length of the wire coating. The above can be said to be the subject of the present invention.

  This invention is made in view of such a subject, and is an adapter for indirect hot wire construction which can be attached to a pair of opening and closing gripping arms provided at the tip of an indirect hot wire tool such as an insulating operation rod. An object of the present invention is to provide an adapter for indirect hot wire construction that can easily recover the coating peeled off from the electric wire and can easily change the cutting length of the coating of the electric wire.

  The present inventor attaches a pair of indirect hot-wire construction adapters to a pair of opening and closing gripping arms provided at the tip of the insulating operation rod, and these indirect hot-wire construction adapters protrude in the centrifugal direction from the gripping arms. It is equipped with a block-shaped adapter body fixed to the gripping claw. One adapter body is provided with a cutting tool that can cut the sheath of the wire from the outer peripheral direction, and the other adapter body can be introduced with the sheath from the outer peripheral direction. Is provided with a stopper formed with a first notch groove opened in a semicircular arc shape, the pair of gripping arms are closed, and the covering is sandwiched between the first notch groove and the second notch groove provided in one adapter body. In order to invent a new adapter for indirect hot wire construction based on this, it is found that the cutting tool can cut the entire circumference of the coating by rotating the insulating operation rod 360 degrees around its axis. It came.

  (1) The adapter for indirect hot-wire construction according to the present invention can be attached to a pair of opening and closing gripping arms provided at the distal end portion of an insulating operation rod, and is a pair that peels the coating from the end edge of the electric wire with a predetermined peeling length. An adapter for indirect hot-wire construction composed of a block-shaped adapter body having a recess into which a gripping claw protruding in the centrifugal direction from a pair of gripping arms can be inserted, and attached to the adapter body, Locking means for fixing the gripping claw from the surface opposite to the gripping surface of the gripping claw, one piece fixed to one adapter body, and the other adapter body extending toward the outer periphery, covering the wire L-shaped cutting tool having another piece with a cutting edge that can be cut from the tip at the tip, and the other adapter body is detachably fixed, and the coating is opened in a semicircular arc shape so that it can be introduced from the outer peripheral direction. did And a semi-cylindrical stopper formed at the end of the first notch groove, wherein one adapter body is formed, The other adapter body has a second notch groove that is open in a semicircular arc shape so that the stopper can be introduced from the outer peripheral direction. Three notch grooves are provided on the opposing surfaces, a pair of the gripping arms are closed, the covering is sandwiched between the first notch groove and the second notch groove, and the insulating operation rod is rotated 360 around its axis. The cutting tool can cut the entire circumference of the coating by rotating the rotation.

  The adapter for indirect hot-wire construction according to the present invention closes the pair of gripping arms, sandwiches the covering between the first notch groove and the second notch groove, and rotates the insulating operation rod 360 degrees around its axis. The cutting tool can cut the entire circumference of the coating. With the pair of gripping arms closed, the insulation operation rod is pulled down, so that the coating can be peeled from the end portion of the electric wire with a predetermined peeling length. Then, by opening the pair of gripping arms, the coating peeled off from the electric wire can be easily collected.

  (2) It is preferable that the stopper is slidably fixed in the axial direction with respect to the third notch groove.

  Since the stopper is slidably fixed in the axial direction with respect to the third notch groove, it is easy to vary the cutting length of the covering of the electric wire.

  (3) It is preferable that the stopper is formed on the inner wall of the first notch groove with a sliding surface on which the outer periphery of the coating is easily slidable.

  Since the stopper forms a sliding surface on the inner wall of the first cutout groove so that the outer periphery of the coating can easily slide, the stopper can slide without being twisted. The inner wall of the second notch groove is also preferably formed with a sliding surface on which the outer periphery of the coating can easily slide.

  (4) The locking means includes an engaging pin that can be operated from the outside, and the gripping claw is provided with a recess into which the tip of the engaging pin enters on a surface opposite to the gripping surface of the gripping claw. It is preferable.

  When the engagement pin is pulled, the gripping claw can be inserted into the recess, and when the engagement pin is released, the tip of the engagement pin enters the recess, and the adapter main body can be securely locked to the gripping claw.

  (5) One of the gripping arms is a fixed arm having a base end portion fixed, and the other gripping arm rotates around a rotation shaft provided at the base end portion of the one gripping arm. It consists of a movable arm, and the insulating operating rod is disposed along the operating rod with a long holding rod provided with one gripping arm at the tip, and the tip can be rotated with the other gripping arm. It is preferable to provide an operating rod connected to the actuator.

  It is preferable to provide an operation lever in the handle portion of the operation rod. When the operation lever is operated, the other gripping arm can be opened and closed with respect to one gripping arm.

  The present invention is an adapter for indirect hot wire construction that can be attached to a pair of opening and closing gripping arms provided at the tip of an indirect hot wire tool such as an insulating operation rod, and can easily recover the coating peeled off from the electric wire, It is possible to provide an adapter for indirect hot wire construction in which it is easy to change the cutting length of the wire coating.

It is a vertical view which shows the structure of the adapter for indirect hot wire construction by one Embodiment of this invention, and closed a pair of holding arm in the state which attached the pair of indirect hot wire construction adapter to a pair of holding arm. It is a state diagram. It is a perspective exploded view which shows the structure of the adapter for indirect hot wire construction by the said embodiment. It is a figure which shows the structure of the adapter for indirect hot wire construction by the said embodiment, FIG. 3 (A) is a top view of a pair of adapter for indirect hot wire construction in the state which closed a pair of holding arm, 3 (B) is a front view of a pair of indirect hot-wire work adapters in a state in which a pair of gripping arms is closed. It is a figure which shows the structure of the adapter for indirect hot wire construction by the said embodiment, FIG. 4 (A) is the perspective view which looked at one adapter for indirect hot wire construction from the bottom side, FIG.4 (B) is one side FIG. 4C is a cross-sectional view of the main part of one adapter for indirect hot-wire construction. FIG. FIG. 5A is a front view showing an example of an insulating operating rod according to the present invention, FIG. 5A shows a base end side of the insulating operating rod, and FIG. 5B shows a distal end side of the insulating operating rod. ing. It is the front view which expanded the front-end | tip part of the insulation operating rod shown in FIG. It is a front view which shows the structure of the adapter for indirect hot wire construction by the said embodiment, and is a state which opened a pair of holding arms at a predetermined angle in the state which attached a pair of indirect hot wire construction adapters to a pair of holding arms FIG.

Hereinafter, embodiments for carrying out the present invention will be described with reference to the drawings.
[Configuration of adapter for indirect hot-wire construction]
Initially, the structure of the adapter for indirect hot wire construction by one Embodiment of this invention is demonstrated.

  FIG. 1 is a longitudinal view showing a configuration of an adapter for indirect hot-wire work according to an embodiment of the present invention, and shows a pair of grips with a pair of indirect hot-wire work adapters attached to a pair of gripping arms. It is the state figure which closed the arm. FIG. 2 is an exploded perspective view showing the configuration of the adapter for indirect hot wire construction according to the embodiment.

  FIG. 3 is a diagram showing a configuration of the adapter for indirect hot-wire construction according to the embodiment, and FIG. 3 (A) is a plan view of a pair of adapters for indirect hot-wire construction in a state where a pair of gripping arms are closed. FIG. 3B is a front view of a set of adapters for indirect hot-wire construction in a state in which a pair of gripping arms is closed.

  FIG. 4 is a diagram showing the configuration of the adapter for indirect hot-wire work according to the embodiment, and FIG. 4 (A) is a perspective view of one indirect hot-wire work adapter as viewed from the bottom side, and FIG. ) Is a vertical cross-sectional view of the main part of one adapter for indirect hot-wire work, and FIG. 4C is a cross-sectional view of main parts of the adapter for indirect hot-wire work.

(overall structure)
With reference to FIGS. 1 to 4, an adapter for indirect hot wire construction (hereinafter abbreviated as “adapter”) 10 according to an embodiment of the present invention includes a block-shaped adapter main body 1 and locking means 2. One adapter body 1 includes an L-shaped cutting tool 3. The other adapter body 1 includes a semi-cylindrical stopper 4.

  Referring to FIG. 1, a set of adapters 10 and 10 are attached to a pair of open and closed curved gripping arms 7 a and 7 b provided at the distal end portion of the insulation operation rod 70, and the insulation operation rod 70 is operated to The coating Wi can be peeled from the end edge of W with a predetermined peeling length.

(Adapter body configuration)
1 to 4, the adapter main body 1 can be attached to a pair of curved holding arms 7a and 7b that are provided at the distal end portion of the insulating operation rod 70 and that are opened and closed (see FIG. 6). Further, the adapter body 1 has opposed surfaces 10a and 10a that face each other and are close to each other so as to be close to each other with the pair of gripping arms 7a and 7b closed (see FIG. 2).

  Referring to FIG. 4, the adapter main body 1 has a recess 11h opened at the bottom. A gripping claw 71a or a gripping claw 71b that protrudes in the centrifugal direction from the pair of gripping arms 7a and 7b can be inserted into the recess 11h (see FIG. 1).

  Referring to FIG. 1 or FIG. 2, one adapter body 1 is provided with a recess 12 h that opens at the distal end surface. A piece 31 of the cutting tool 3 is detachably inserted into the recess 12h. One piece 31 of the cutting tool 3 is fixed to the inner wall of the recess 12h by a set of bolt members 5a and 5a.

  Referring to FIG. 1 or FIG. 2, one adapter body 1 has a second cutout groove 10 b that opens in a semicircular arc shape on the facing surface 10 a. The coating Wi of the electric wire W can be introduced into the second cutout groove 10b from the outer peripheral direction.

  Referring to FIG. 1 or FIG. 2, the other adapter main body 1 has a third cutout groove 10c that is opened in a semicircular arc shape on the opposing surface 10a. The stopper 4 can be introduced into the third cutout groove 10c from the outer peripheral direction.

  Referring to FIG. 1 or FIG. 2, the stopper 4 is detachably fixed to the other adapter body 1. The stopper 4 forms a first notch groove 41 opened in a semicircular arc shape. In the first cutout groove 41, the coating Wi of the electric wire W can be introduced from the outer peripheral direction. In a state where the pair of gripping arms 7a and 7b are closed, the covering Wi of the electric wire W can be held between the first cutout groove 41 and the second cutout groove 10b.

(Configuration of locking means)
Referring to FIG. 4, the locking means 2 includes an engagement pin 21 and a compression coil spring 22. The engaging pin 21 includes a shaft portion 21s and a flange portion 21f. The shaft portion 21 s is accommodated in the cylindrical portion 2 p protruding from the outer wall of the adapter main body 1. The tip of the shaft portion 21s protrudes into the recess 11h (see FIG. 4B). The flange portion 21f is in contact with the upper end edge of the cylindrical portion 2p.

  Referring to FIG. 4B, the compression coil spring 22 is wound around the outer periphery of the shaft portion 21s. The compression coil spring 22 is housed inside the cylindrical portion 2p. One end portion of the compression coil spring 22 is fixed to the shaft portion 21s. The other end of the compression coil spring 22 is fixed to the inner wall of the cylindrical portion 2p. The compression coil spring 22 urges the force that the tip of the shaft portion 21s protrudes into the recess 11h.

  With reference to FIG. 4A or 4B, when the collar 21f is gripped and the engagement pin 21 is pulled up against the elastic force of the compression coil spring 22, the grip claw 71a or the grip claw 71b can be accommodated in the recess 11h (see FIG. 1). When the flange 21f is released, the tip of the engagement pin 21 can be brought into contact with the gripping claw 71a or the gripping claw 71b from the surface opposite to the gripping surface of the gripping claw 71a or the gripping claw 71b. The gripping claw 71a or the gripping claw 71b is preferably provided with a recess 7d into which the tip of the engagement pin 21 enters (see FIG. 1).

  Referring to FIG. 4B or 4C, the shaft portion 21s protrudes the locking pin 21p in the centrifugal direction. On the other hand, a slit-shaped groove 21m for guiding the locking pin 21p in the axial direction of the shaft portion 21s is provided inside the cylindrical portion 2p.

  Referring to FIG. 4B or 4C, when the collar 21f is gripped and the engaging pin 21 is pulled up, the locking pin 21p can be moved to a height exceeding the upper end edge of the cylindrical portion 2p. . When the engaging pin 21 is rotated in the outer peripheral direction, the locking pin 21p can be brought into contact with the upper end edge of the cylindrical portion 2p. Accordingly, the state in which the engagement pin 21 is pulled up can be maintained, and after the gripping claw 71a or the gripping claw 71b is received in the recess 11h, the engagement pin 21 is rotated in the reverse direction, whereby the adapter body 1 is gripped. It can be fixed to 71a or grip claw 71b.

(Configuration of cutting tool)
Referring to FIGS. 1 to 3, the cutting tool 3 is formed in an L shape by bending a belt-shaped metal plate substantially at a right angle. One piece 31 of the cutting tool 3 is accommodated in the recess 12h. Moreover, the piece 31 of the cutting tool 3 is being fixed to the inner wall of the recessed part 12h.

  Referring to FIGS. 1 to 3, the other piece 32 of the cutting tool 3 is arranged to extend toward the other adapter body 1. Further, the other piece 32 of the cutting tool 3 has a cutting edge 32a with a sharp edge formed at the tip.

  Referring to FIG. 1 or FIG. 3 (A), the cutting edge 32a of the cutting tool 3 is arranged so as to extend into the second notch groove 10b. As shown in FIG. 1, when the pair of gripping arms 7 a and 7 b are closed, the cutting edge 32 a can be cut into the covering Wi of the electric wire W from the outer peripheral direction.

(Configuration of stopper)
Referring to FIG. 1 or FIG. 2, the stopper 4 is detachably fixed to the other adapter body 1. The stopper 4 forms a bottom 41 a at the end of the first cutout groove 41. A terminal edge of the electric wire W can be brought into contact with the bottom 41a. A part of the bottom 41a protrudes in a semicircular shape toward the second notch groove 10b.

  Referring to FIG. 2, the stopper 4 has two female screw portions 41s and 41s formed on the outer periphery. On the other hand, the other adapter body 1 includes a pair of bolt members 5b and 5b that can be screwed into the female screw portion 41s. Referring to FIG. 1 or FIG. 2, the other adapter body 1 forms a long hole 13h extending in the axial direction of the third notch groove 10c. The long hole 13h penetrates from the outer wall of the other adapter body 1 toward the third notch groove 10c.

  Referring to FIG. 1 or FIG. 2, when a set of bolt members 5b and 5b is inserted into the elongated hole 13h and the bolt member 5b is loosely fastened to the female thread portion 41s, the third notch groove 10c The stopper 4 can be slidably moved. When the bottom 41a moves to a predetermined position with respect to the other adapter body 1, the stopper 4 can be fixed to the other adapter body 1 by tightening the bolt member 5b to the female thread portion 41s. Thereby, the distance from the terminal edge of the electric wire W to the blade edge 32a is adjusted, and the peeling length of the coating Wi can be defined.

  Referring to FIG. 1 or FIG. 2, the stopper 4 forms a sliding surface 41 b on the inner wall of the first cutout groove 41, on which the outer periphery of the covering Wi can easily slide. As will be described later, when the covering Wi is sandwiched between the first notch groove 41 and the second notch groove 10b and the insulating operation rod 70 is rotated 360 degrees around its axis, the covering Wi can slide without being twisted. . The inner wall of the second notch groove 10b is also preferably formed with a sliding surface on which the outer periphery of the covering Wi can easily slide.

(Configuration of insulation operation rod)
Next, the configuration of the insulating operation rod according to the present invention will be described. FIG. 5 is a front view showing an example of an insulating operation rod according to the present invention, FIG. 5 (A) shows the base end side of the insulation operation rod, and FIG. 5 (B) shows the tip of the insulation operation rod. The part side is shown. 6 is an enlarged front view of the distal end portion of the insulating operation rod shown in FIG.

  Referring to FIG. 5 or FIG. 6, an insulating operation rod (so-called insulating Yatco) 70 serving as an indirect live tool is composed of a long operation rod 71 and a gripping tool 72. The gripping tool 72 is detachably attached to the distal end portion of the operation rod 71. Further, the insulating operation rod 70 includes an operation rod 73. The insulating operation rod 70 has an intermediate portion between the operation rod 71 and the operation rod 73 connected by an insulating plastic pipe or the like, and ensures insulation so as to be suitable for the indirect hot wire method.

  Referring to FIG. 5 or FIG. 6, the gripping tool 72 is composed of a pair of curved gripping arms 7a and 7b that open and close. One gripping arm 7a is a fixed arm with a base end fixed, and the other gripping arm 7b rotates around a rotation shaft 7c provided at the base end of one gripping arm 7a. It is a movable arm.

  Referring to FIG. 5 or FIG. 6, the operation bar 73 is held along the operation bar 71. The distal end portion of the operating rod 73 is rotatably connected to the other gripping arm 7b. And if the operating lever 74 provided in the hand-held part of the action | operation stick | rod 73 is operated, the other holding arm 7b can be opened and closed with respect to one holding arm 7a.

  Referring to FIG. 5, when the operation lever 74 is grasped and the operation lever 74 is brought close to the operation rod 71, the other gripping arm 7b can be closed with respect to the one gripping arm 7a. When the operation lever 74 is released, the other gripping arm 7b can be opened with respect to one gripping arm 7a by the force of a spring (not shown) connected to the control lever 74. FIG. 5 or FIG. 6 shows a state in which the other gripping arm 7b is opened to the maximum with respect to one gripping arm 7a.

  Referring to FIG. 6, one gripping arm 7a projects a tapered gripping claw 71a. The gripping claw 71a forms a gripping surface 70a. The gripping surface 70 a is disposed substantially parallel to the axis center Q of the operation rod 71. Similarly, the other gripping arm 7b projects a tapered gripping claw 71b. The gripping claw 71b forms a gripping surface 70b. The gripping surface 70b is arranged with a predetermined opening angle with the gripping surface 70a. With reference to FIG. 5 or FIG. 6, when the operation lever 74 is gripped, the gripping surface 70b can be brought close to the gripping surface 70a.

[Operation of adapter for indirect hot wire construction]
Next, the operation and effect of the adapter 10 will be described while explaining the operation method of the adapter 10 according to the embodiment. FIG. 7 is a front view showing the configuration of the adapter for indirect hot-wire work according to the embodiment, in which a pair of gripping arms is attached to a pair of gripping arms with a predetermined angle between them. FIG.

  1 to 4, the adapter 10 can be fixed with the engaging pin 21 by inserting the gripping claw 71 a or the gripping claw 71 b into the recess 11 h (see FIG. 4). One set of adapters 10 and 10 can arrange the electric wire W between the 1st notch groove 41 and the 2nd notch groove 10b which oppose. By arranging the other piece 32 of the cutting tool 3 at the tip of one adapter body 1, the cutting edge 3 can be cut into the coating Wi of the electric wire W from the outer peripheral direction (see FIG. 1).

  From the state shown in FIG. 7, when the insulating operation rod 70 is lifted, the operation lever 74 is gripped, and the operation lever 74 is brought close to the operation rod 71 (see FIG. 5), one adapter 10 is compared with the other adapter 10. Can be closed (see FIG. 1).

  Referring to FIG. 7, when the operation lever 74 is operated to lift the insulating operation rod 70 toward the end edge of the electric wire W while the pair of facing surfaces 10 a and 10 a are relatively close to each other, the first cutting is performed. The electric wire W can be introduced between the notch groove 41 and the second notch groove 10b, and the end edge of the electric wire W can be brought into contact with the bottom portion 41a. Next, the wires W can be sandwiched between the first notch groove 41 and the second notch groove 10b by approaching the pair of facing surfaces 10a and 10a so as to be in close contact (see FIG. 2). Can be cut from the outer peripheral direction with the cutting edge 32a (see FIG. 1).

  Next, referring to FIG. 1 or FIG. 6, the blade tip 32a of the cutting tool 3 is rotated by rotating the insulating operation rod 70 around its axis while maintaining the pair of adapters 10 and 10 closed. Can cut the entire circumference of the coating Wi. Next, the covering Wi can be peeled off from the end portion of the electric wire W with a predetermined peeling length by pulling down the insulating operation rod 70 in a state where the pair of gripping arms 7a and 7b are closed. And the covering Wi peeled off from the electric wire W can be easily collect | recovered by opening a pair of holding | gripping arm 7a * 7b.

  As described above, the adapter 10 according to the embodiment is an adapter for indirect hot wire construction that can be attached to a pair of opening and closing gripping arms 7a and 7b provided at the tip of an indirect hot wire tool such as the insulating operation rod 70, The coating Wi peeled from W can be easily recovered.

  Further, in the adapter 10 according to the embodiment, the stopper 4 is slidably fixed in the axial direction with respect to the third notch groove 10c, so that it is easy to change the cutting length of the coating Wi of the electric wire W. is there.

The adapter for indirect hot wire construction according to the present invention has the following effects.
(1) The coating of the electric wire can be easily peeled off.
(2) The coating of the electric wire can be reliably peeled off.
(3) The structure is simple and an inexpensive tool for indirect hot wire construction can be provided.

  Although the present invention has disclosed an adapter for indirect hot-wire construction that can indirectly hot-wire high-voltage distribution lines in an uninterruptible state using an insulating operation rod or the like, the adapter of the present invention is used for indirect hot-wire construction. Without being limited, it is expected to be applied in other fields.

DESCRIPTION OF SYMBOLS 1 Adapter main body 2 Locking means 3 Cutting tool 4 Stopper 7a, 7b A pair of holding arm 10 Adapter (adapter for indirect hot wire construction)
10a Opposing surface 10b Second notch groove 10c Third notch groove 11h Recess (recess of adapter body)
31 One piece 32 Other piece 32a Cutting edge 41 First notch groove 41a Bottom portion 70 Insulating operation rod W Electric wire Wi Cover

Claims (5)

An adapter for indirect hot-wire construction that can be attached to a pair of opening and closing gripping arms provided at the distal end portion of the insulating operation rod, and that peels the coating from the end edge of the electric wire with a predetermined peeling length,
A block-shaped adapter body having a concave portion into which a gripping claw protruding in the centrifugal direction from the pair of gripping arms can be inserted is opened on the bottom surface;
A locking means attached to the adapter body and fixing the gripping claw from a surface opposite to the gripping surface of the gripping claw;
An L-shaped cut having one piece fixed to one adapter body and the other piece extending toward the other adapter body and having a cutting edge capable of cutting the coating of the wire from the outer peripheral direction at the tip. Ingredients,
A first notch groove that is detachably fixed to the other adapter main body and that opens in a semicircular arc shape so that the coating can be introduced from the outer circumferential direction is formed, and a bottom portion on which the end edge of the electric wire can contact is formed A semi-cylindrical stopper formed at the end of the first cutout groove,
One of the adapter bodies has a second notch groove on the opposing surface that is opened in a semicircular arc shape so that the coating can be introduced from the outer peripheral direction.
The other adapter body has a third cutout groove on the opposite surface that is opened in a semicircular arc shape so that the stopper can be introduced from the outer peripheral direction,
The pair of gripping arms are closed, the covering is sandwiched between the first cutout groove and the second cutout groove, and the insulating operation rod is rotated 360 degrees around its axis, whereby the cutting tool is Adapter for indirect hot wire construction that can cut the entire circumference of the coating.   The indirect hot-wire work adapter according to claim 1, wherein the stopper is slidably fixed in the axial direction with respect to the third cutout groove.   The adapter for indirect hot-wire construction according to claim 1 or 2, wherein the stopper forms a sliding surface on the inner wall of the first cutout groove so that the outer periphery of the coating can easily slide. The locking means includes an engagement pin operable from the outside,
The indirect hot-line work adapter according to any one of claims 1 to 3, wherein the gripping claw is provided with a recess into which a tip portion of the engagement pin enters on a surface opposite to a gripping surface of the gripping claw. One of the gripping arms is composed of a fixed arm having a base end portion fixed thereto,
The other gripping arm is composed of a movable arm that rotates around a rotation shaft provided at the base end of the one gripping arm,
The insulating operation rod is
A long operating rod provided with one gripping arm at the tip;
5. An indirect hot-wire construction work according to claim 1, further comprising: an operation rod disposed along the operation rod and having a distal end portion rotatably connected to the other gripping arm. adapter.

Images