JP2014054142A - Auxiliary tool for cable disconnection/connection - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide an auxiliary tool for cable disconnection/connection comprising a scale which is available for confirmation of a sleeve insertion amount or the like and does not disturb cable disconnection/connection work.SOLUTION: The auxiliary tool for cable disconnection/connection comprises: two cable holding arms 10 each including a cable holding part 15 for holding a cable C in a removable manner; a guide member 30 including a forward/backward movement guide part 31 for guiding at least one cable holding arm along a linear moving route in a forwards/backwards movable manner; a scale 40 disposed in the guide member for confirming a position where two cables held by the cable holding parts, respectively, are connected; and a scale approach/separation mechanism for forwards and backwards moving the scale, integrally with the guide member or singly, between a measurement position approaching the cables and a retraction position separating therefrom.

Description

  The present invention relates to an improvement of a small and simple structure for assisting in cutting and connecting a wire, which is mainly used for cutting a wire and connecting the wires, and particularly confirms the insertion position of a sleeve with respect to the wire. The present invention relates to an auxiliary tool for connecting and disconnecting wires provided with a scale.

Since overhead electric wires are required to be lightweight and have high strength, stranded wires such as steel core aluminum stranded wires are often used.
In the operation of cutting the stranded wire, there is a possibility that the wire constituting the stranded wire may be unwound from the cut portion and spread and deform, so conventionally, a metal covered with vinyl such as a bind wire in the vicinity of the cut portion By winding and tightening the wire, the twisted wire was prevented from being loosened and frayed. Further, in the case of a stranded wire having a steel core in the center, there is a risk that the electric wire will jump up at the same time as the cutting, resulting in injury to the worker. Therefore, it was necessary for a plurality of workers to hold down the electric wire so that the cut portion does not jump up.
On the other hand, when connecting the ends of the wires, a wire connecting sleeve such as a compression sleeve is used. The respective wire ends are inserted from both ends of the sleeve in the axial direction, and the sleeve and the wire are plastically deformed using a dedicated tool such as a compression tool, thereby connecting the wires via the sleeve. Since it is necessary to apply a large force to the compression tool during the sleeve compression work, one worker needs to operate the compression tool with the other hand while holding the sleeve and the electric wire with one hand. It was difficult and caused a connection failure.
In order to solve the above problem at the time of connecting the electric wires, Patent Document 1 discloses an electric wire connecting holder for holding the electric wires and sleeves inserted from the openings at both ends in the axial direction of the sleeves when connecting the electric wires to each other in the sleeve. Have been described.

JP 2009-071916 A

By the way, since an overhead electric wire receives a strong tension, it is necessary to prevent a connection failure from occurring when the wires are sleeve-connected. Therefore, at the time of connection work, to confirm that the ends of the two electric wires to be connected are equally inserted into the sleeve on the scale, and for the administrator to check whether the operator has securely connected Then, a recording photograph before recording connection in which a sleeve and a scale are attached to the connection portion and a recording photograph after connection in which a scale is attached to the connection portion are taken.
However, since the wire connection holder of Patent Document 1 does not have a scale, it is necessary to prepare a scale separately when confirming the insertion amount of the wire into the sleeve or when taking a recorded photograph. In addition, since the scale is unnecessary during the cutting operation and the connection operation, it is necessary to prevent the scale from interfering with these operations.
The present invention has been made in view of the above-described circumstances, and provides an auxiliary tool for electric wire cutting and connection, which can be used for confirming the amount of sleeve insertion and has a scale that does not interfere with the electric wire cutting and connecting work. The purpose is to do.

In order to solve the above-described problems, the invention according to claim 1 is characterized in that two wire holding arms each having a wire holding portion for holding a wire in a detachable manner, and at least one of the wire holding arms is moved in a predetermined manner. A guide member provided with a guide part that guides it so as to be able to advance and retreat along a path; a scale that is arranged on the guide member and that confirms a connection position between two electric wires held by the electric wire holding parts; and A scale contact / separation mechanism for moving the scale back and forth between the measurement position approaching the electric wire and the retracted position separated from each other integrally or independently with the guide member is provided.
In the invention of claim 1, the electric wire holding arm and the scale move forward and backward, respectively. The electric wire holding arm moves forward and backward along the movement path by the guide of the guide portion. Further, the scale approaches the electric wire to a position suitable for confirming the connection position between the electric wires, and is separated from the electric wire to a position that does not hinder the connection and cutting work of the electric wires.

According to a second aspect of the present invention, in the first aspect, a scale advance / retreat mechanism is provided that enables the scale to advance and retreat along the movement path.
In the invention of claim 2, since the scale is configured to be movable back and forth along the movement path, the scale position of the scale with respect to the electric wire can be adjusted.
According to a third aspect of the present invention, in the second aspect, the scale is integrated with the guide member.
In the invention of claim 3, the scale moves forward and backward along the movement path together with the guide member.
According to a fourth aspect of the present invention, in the second aspect, the scale is configured to be movable relative to the guide member.
In the invention of claim 4, the scale moves forward and backward along the movement path independently of the guide member.

  According to the present invention, since the scale can be moved to the measurement position close to the electric wire, the insertion position of the sleeve with respect to the electric wire can be accurately grasped. Moreover, since the scale can be moved to a retracted position separated from the electric wire, the scale does not become an obstacle to the operation at the time of cutting and connecting the electric wire.

It is a figure which shows the auxiliary tool for electric wire cutting connection which concerns on 1st embodiment of this invention, (a) is a perspective view, (b), (c) is a side view. (A)-(c) is a figure which shows the connection procedure of an electric wire. It is a figure which shows the auxiliary tool for electric wire cutting connection which concerns on 2nd embodiment of this invention. It is a figure which shows the auxiliary tool for electric wire cutting connection which concerns on 3rd embodiment of this invention.

  Hereinafter, the present invention will be described in detail with reference to embodiments shown in the drawings. However, the components, types, combinations, shapes, relative arrangements, and the like described in this embodiment are merely illustrative examples and not intended to limit the scope of the present invention only unless otherwise specified. .

[First embodiment]
An auxiliary tool for connecting and disconnecting wires according to a first embodiment of the present invention will be described with reference to FIG. Drawing 1 is a figure showing the auxiliary tool for electric wire cutting connection concerning a first embodiment of the present invention, (a) is a perspective view, and (b) and (c) are side views. The electric wire cutting / connecting auxiliary tool according to the present embodiment is characterized in that the scale for confirming the electric wire cutting position and the sleeve insertion position is advanced and retracted between a position approaching the electric wire and a position separated from the electric wire. .

  The auxiliary tool 1 for connecting and disconnecting the electric wire 1 has two electric wire holding arms 10 each provided with an electric wire holding part 15 for holding the electric wire C so as to be detachable, and the two electric wire holding arms 10 approach each other along a linear movement path. A guide member 30 provided with an advancing / retreating guide portion 31 that guides it so as to be able to advance and retreat in a separating direction, and two electric wires C arranged on the guide member 30 and respectively held by the electric wire holding portions 15 (C1, C2: The scale 40 for confirming the connection position shown in FIG. 2 (b) and the scale contact for moving the scale 40 integrally with the guide member 30 between the measurement position approaching the electric wire C and the separated retreat position. A separation mechanism, and a scale advance / retreat mechanism that allows the scale 40 to advance and retreat along the movement path.

The electric wire holding arm 10 includes an arm portion 11 and an electric wire holding portion 15 disposed at one end in the longitudinal direction of the arm portion 11.
The arm portion 11 is formed with a contact / separation guide portion 13 along the longitudinal direction thereof. The contact / separation guide part 13 is a guide means for moving the guide member 30 toward and away from the electric wire C, and in the present embodiment, the contact / separation guide part 13 is composed of an elongated hole penetrating the arm part 11. The guide member 30 can be moved in parallel with the electric wire in a state where each electric wire holding portion 15 of the electric wire holding arm 10 is fixed to the electric wire.
The electric wire holding part 15 includes a semi-cylindrical first divided piece 17a and a second divided piece 17b, and spacers detachably attached to the inner peripheral surfaces of the first divided piece 17a and the second divided piece 17b. 19, the hinge part 21 which connects the 1st division piece 17a and the 2nd division piece 17b so that opening and closing is possible, and the 1st division piece 17a and the hinge part 21 of the 2nd division piece 17b on the opposite side The first division piece 23a and the second coupling piece 23b, which are respectively extended from the circumferential ends, are screwed into the screw holes 25 of the second coupling piece 23b. And a butterfly bolt 27 for closing the piece 17a and the second divided piece 17b.

The electric wire holding part 15 is firmly connected to the electric wire C (for example, a steel core aluminum stranded wire) so that the wire constituting the stranded wire is not scattered or frayed or the electric wire does not rebound. Is configured with a size and a material capable of holding. For example, the entire wire holding arm 10 can be made from a metal such as aluminum.
The 1st division | segmentation piece 17a and the 2nd division | segmentation piece 17b should just form the hollow part which can hold | maintain the electric wire C at least. For example, the outer shape of the divided piece may be a polygonal shape.
The spacer 19 is a member that changes the inner diameter of the hollow portion formed by the first divided piece 17a and the second divided piece 17b in accordance with the thickness of the electric wire C to be held. The spacer 19 can be made of, for example, hard rubber or plastic.
In addition, the illustrated electric wire holding part 15 is an example, and besides this, a configuration in which the electric wire C is sandwiched in a clip shape may be employed, or other configurations may be employed.

The guide member 30 is a linear member and can be made of a metal such as stainless steel, for example. The longitudinal direction of the guide member 30 is disposed so as to be orthogonal to the longitudinal direction of the wire holding arm 10. That is, the guide member 30 is disposed so as to be substantially parallel to the electric wire C when the electric wire holding portion 15 holds the electric wire C. In addition, the guide member 30 does not necessarily need to be linear, and may be in an arbitrary form.
At both ends in the longitudinal direction of the guide member 30, advance / retreat guide portions 31 are formed along the longitudinal direction. The advancing / retreating guide portion 31 is guide means for moving the electric wire holding arm 10 along a linear movement path, and is constituted by an elongated hole that penetrates the guide member 30 in the present embodiment.

A scale 40 is integrated with the guide member 30. Of course, a scale may be provided by providing a scale on the guide member 30 itself.
The scale 40 is linear and is provided along the guide member 30. For example, the scale 40 may have a zero scale at the center as shown in the figure, and the scale 40 may be graduated so that the numerical value increases toward each end in the longitudinal direction of the guide member 30. Of course, the scale may be engraved so that the numerical value increases from one end of the scale to the other end.

A mechanism for moving the wire holding arm and the scale will be described.
The advancing / retreating guide portions 31 formed at both ends in the longitudinal direction of the guide member 30 guide the electric wire holding arms 10 so as to move along the longitudinal direction of the guide member 30. That is, the advancing / retreating guide part 31 moves each electric wire holding arm 10 forward and backward between a position approaching the other electric wire holding arm 10 and a position separated from the other electric wire holding arm 10.
Further, the contact / separation guide portion 13 formed on the arm portion 11 of the wire holding arm 10 guides the guide member 30 and the scale 40 so as to move along the longitudinal direction of the wire holding arm 10. In other words, the contact / separation guide part 13 moves the guide member 30 and the scale 40 forward and backward between a measurement position approaching the electric wire C and a retracted position separated.
The shaft portion (shaft member) of the butterfly bolt 33 is inserted into the advance / retreat guide portion 31 and the contact / separation guide portion 13 in a state where the advance / retreat guide portion 31 and the contact / separation guide portion 13 communicate with each other. A wing nut 35 is screwed to a shaft portion (extra length portion) protruding from the advance / retreat guide portion 31 and the contact / separation guide portion 13 among the shaft portions of the butterfly bolt 33. Thereby, the guide member 30 and the electric wire holding arm 10 are integrated.
By fastening the butterfly bolt 33 and the butterfly nut 35, the guide member 30 and the wire holding arm 10 can be fixed and their movement can be prevented.
Further, by loosening the butterfly bolt 33 and the butterfly nut 35, the guide member 30 and the scale 40 can be moved relative to the wire holding arm 10 in the direction along the advance / retreat guide portion 31. Further, the two electric wire holding arms 10 can be moved along the advance / retreat guide portions 31, respectively.

In this embodiment, the arm advance / retreat mechanism for moving the wire holding arm 10 back and forth along the movement path is a mechanism for moving the wire holding arm 10 toward or away from each other, and two advance / retreat positions formed at both longitudinal ends of the guide member 30. The guide portion 31 is configured to include two butterfly bolts 33 inserted into the respective advance / retreat guide portions 31, and the contact / separation guide portion 13 as a shaft portion insertion hole of the butterfly bolt 33. By inserting the shaft portion of the butterfly bolt 33 through the advance / retreat guide portion 31 and the contact / separation guide portion 13, the wire holding arm 10 is formed in the direction in which the advance / retreat guide portion 31 is formed (longitudinal direction of the guide member 30: direction along the movement path). Move forward and backward.
In addition, the wire holding arm 10 is configured to move relative to the guide member 30, and the scale 40 is integrated with the guide member 30, so that the scale advance / retreat mechanism that allows the scale 40 to advance and retreat along the movement path. Is also used as an arm advance / retreat mechanism.
The scale contact / separation mechanism for moving the scale 40 between the measurement position approaching the electric wire C and the retracted position separated from the electric wire C includes two contact / separation guide portions 13 formed on each electric wire holding arm 10 and each contact / separation guide. The wing bolt 33 inserted through the portion 13 and the contact / separation guide portion 13 as a shaft portion insertion hole of the wing bolt 33 are configured. By inserting the shaft portion of the butterfly bolt 33 through the advance / retreat guide portion 31 and the contact / separation guide portion 13, the scale 40 moves toward and away in the forming direction of the contact / separation guide portion 13 (longitudinal direction of the arm portion 11).

  Other guide methods may be employed for the arm advance / retreat mechanism, scale advance / retreat mechanism, and scale contact / separation mechanism. For example, it is good also as a structure guided to a rail type. Further, the electric wire holding arm 10 and the scale 40 may be movable forward and backward by configuring the arm portion or the guide member so as to be telescopically telescopic. That is, the scale 40 may be moved toward and away from the electric wire by configuring a part of the arm portion so as to be telescopically telescopic. Moreover, you may make it move the scale 40 and the electric wire holding arm 10 forward / backward by comprising the both ends of the longitudinal direction of the guide member 30 so that a telescopic extension is possible.

The usage method of the auxiliary tool for wire cutting connection according to this embodiment will be described.
As shown in FIGS. 1 (b) and 1 (c), the method of attaching the electric wire C to the electric wire cutting / connecting auxiliary tool 1 is to loosen the butterfly bolt 27 and rotate the first divided piece 17 a around the hinge portion 21. The first coupling piece 23a is separated from the second coupling piece 23b.
The electric wire C is inserted between the first divided piece 17a and the second divided piece 17b, the first coupling piece 23a and the second coupling piece 23b are brought into close contact with each other, and the butterfly bolt 27 is connected to the second coupling piece. By fastening to 23b, the 1st division piece 17a and the 2nd division piece 17b are closed so that opening is impossible.
This is performed for each of the two electric wire holding portions 15, and the two portions of the electric wires C separated in the longitudinal direction are held by the electric wire holding portion 15.

  When the electric wire C is cut, one electric wire C is held across the two electric wire holding portions 15 as shown in FIG. At this time, the two electric wire holding arms 10 are moved to the position indicated by the dotted line, the electric wire C is held at a position close to the cut portion, and the wire constituting the electric wire C (twisted wire) is broken or frayed at the time of cutting. Make sure that does not occur. The wing bolt 33 and the wing nut 35 are loosened, and the scale 40 is moved to the retracted position separated from the electric wire C. In this state, the electric wire is cut with a cutting tool. Since the scale 40 is in the retracted position, the scale does not become an obstacle when the electric wire C is cut when the electric wire C is cut.

An electric wire connection method will be described with reference to FIG. FIGS. 2A to 2C are diagrams showing a procedure for connecting electric wires.
As shown in FIG. 2 (a), when connecting two electric wires C1 and C2, the electric wires C1 and C2 are connected to the respective electric wire holding portions so that the end faces of the electric wires C1 and C2 are attached to each other. 15 is attached.
As shown in FIG. 2B, the wing bolt 33 and the wing nut 35 are loosened, and the scale 40 is moved to a measurement position close to the electric wire C. Furthermore, the scale position of the scale 40 is adjusted by moving the scale 40 along the movement path. That is, the zero scale portion of the scale 40 is aligned with the position where the end surfaces of the two electric wires C1 and C2 face each other. The respective wing bolts 33 and wing nuts 35 are fastened, and the guide member 30 is fixed to the wire holding arm 10. Subsequently, by inserting an appropriate wire W into the sleeve S and locking both ends of the wire W to the respective arm portions 11, the lengths of the electric wires C1 and C2 inserted into the sleeve S become the same. In this manner, the sleeve S and the electric wires C1 and C2 are aligned. On the electric wires C1 and C2, the positions (open end positions) of both ends in the axial direction of the sleeve S are marked with a marker or the like.
Loosen the butterfly bolt 27 (see FIG. 1C) of the electric wire holding part 15 on the electric wire C2 side, shift the electric wire C2 away from the electric wire C1, and insert the sleeve S into the ends of the electric wires C1 and C2. . The position of the sleeve S and the position of the electric wire C2 are adjusted so that both ends in the axial direction of the sleeve S coincide with the positions of the marks attached to the electric wires C1 and C2, and the butterfly bolt 27 is fastened.
As shown in FIG. 2C, the wing bolt 33 and the wing nut 35 are loosened, and the scale 40 is moved to the retracted position separated from the electric wire C. Thereafter, the sleeve S portion is sandwiched between dies of a compression tool (not shown), the sleeve S is compressed by the compression tool, and the two electric wires C1 and C2 are connected.

As described above, according to the present embodiment, since the electric wire can be cut in a state where the electric wire holding portion holds the electric wire, it is possible to prevent the wires constituting the electric wire from being scattered and frayed. Further, since the electric wire can be cut while the two electric wire holding arms are restrained by the guide member, it is possible to prevent the electric wire from jumping up during the cutting operation and to prevent injury to the worker during the single operation. Moreover, since the electric wire holding part holds the two electric wires at the time of connecting the electric wires, there is no need for the operator to hold the electric wires, and the operator can stably operate the compression tool at the time of connecting work alone. This can prevent connection failure.
In addition, since the two electric wires can be held by the electric wire holding portion at the time of connecting the electric wires, the electric wires are bent at the time of connecting the electric wires, and a gap is generated between the wire members constituting the electric wires at the time of compressing the wires. The phenomenon can be prevented.
Moreover, since the scale can be moved to a retracted position separated from the electric wire, the scale does not become an obstacle to the operation at the time of cutting and connecting the electric wire. Further, since the scale can be moved to the measurement position close to the electric wire, the insertion position of the sleeve with respect to the electric wire can be accurately grasped.
In addition, since the guide member and the scale are integrated, the number of parts constituting the wire-cutting connection aid can be reduced, and the configuration can be simplified. Accordingly, it is possible to reduce the weight of the wire-cutting connection aid.
Further, since the wing bolt and the wing nut are used for fastening each part, each part can be fastened or released without using a special tool.

[Second Embodiment]
An auxiliary tool for wire cutting connection according to a second embodiment of the present invention will be described with reference to FIG. FIG. 3 is a diagram showing an auxiliary tool for wire-cutting connection according to the second embodiment of the present invention. The electric wire cutting / connecting auxiliary tool according to the present embodiment is characterized in that the scale advance / retreat mechanism and the arm advance / retreat mechanism are separate mechanisms. Hereinafter, the same members as those in the first embodiment are denoted by the same reference numerals, and the description thereof is omitted.

The scale advance / retreat mechanism of the wire-cutting connection auxiliary tool 2 according to the present embodiment is a mechanism that moves the scale 40 relative to the guide member 30 along a linear movement path. The scale advancement / retraction mechanism includes a scale advancement / retraction guide portion 41 formed of a long hole penetratingly formed along the longitudinal direction of the scale 40 at a position avoiding the marking portion of the scale in the substantially strip-shaped scale 40, and the scale advancement / retraction guide. A wing bolt 43 into which the shaft portion is inserted into the portion 41, and a screw hole 45 formed at an appropriate position of the guide member 30 to which the shaft portion of the wing bolt 43 is screwed.
When the butterfly bolt 43 is fastened to the screw hole 45 via the scale advance / retreat guide portion 41, the scale 40 cannot be moved relative to the guide member 30. Further, when the butterfly bolt 43 is loosened, the scale 40 can move relative to the guide member 30. That is, the scale 40 is guided by the scale advance / retreat guide portion 41 and moves forward / backward in the forming direction (longitudinal direction of the scale 40).

In the present embodiment, the arm advance / retreat mechanism for advancing / retreating the electric wire holding arm is a mechanism for advancing / retreating only one electric wire holding arm 10a along a linear movement path.
The arm advance / retreat mechanism includes an arm advance / retreat guide portion 51 formed of a long hole formed along the longitudinal direction of the guide member 30 at one end 30a of the guide member 30, a butterfly bolt 33 inserted into the arm advance / retreat guide portion 51, a butterfly And an approach / separation guide portion 13 as a shaft portion insertion hole of the bolt 33. The butterfly bolt 33 is sequentially inserted into the arm advance / retreat guide part 51 and the contact / separation guide part 13 in a state where the arm advance / retreat guide part 51 and the contact / separation guide part 13 are in communication. A wing nut 35 is screwed onto the shaft portion (extra length portion) of the butterfly bolt 33 protruding from the arm advance / retreat guide portion 51 and the contact / separation guide portion 13. Thereby, the guide member 30 and the electric wire holding arm 10a are integrated.
The other end 30 b of the guide member 30 is formed with an insertion hole 53 through which the shaft portion of the butterfly bolt 33 is inserted. By inserting the shaft portion of the butterfly bolt 33 through the insertion hole 53 and the contact / separation guide portion 13 in a state where the insertion hole 53 is in communication with the contact / separation guide portion 13, a scale is formed at the other end 30 b of the guide member 30. 40 is guided by the contact / separation guide 13 and moves toward and away from the electric wire C (see FIG. 1) (scale contact / separation mechanism).
About the usage method etc., since it is the same as that of 1st embodiment, the description is abbreviate | omitted.

As described above, also in this embodiment, the scale can be moved to the retracted position separated from the electric wire, so that the scale does not become an obstacle to the operation at the time of cutting and connecting the electric wire.
Further, since the scale can be moved to the measurement position close to the electric wire, the insertion position of the sleeve with respect to the electric wire can be easily confirmed.
Further, since the scale is advanced and retracted independently with respect to the guide member, the electric wire holding arms do not move when the scale is advanced and retracted. For this reason, the positional relationship of two electric wires does not shift | deviate at the time of electric wire connection (FIG.2 (b)).

[Third embodiment]
An auxiliary tool for wire cutting connection according to a third embodiment of the present invention will be described with reference to FIG. FIG. 4 is a diagram showing an electric wire cutting / connecting auxiliary tool according to the third embodiment of the present invention. The auxiliary tool for cutting and connecting the electric wire according to the present embodiment is characterized in that the scale moves forward and backward with respect to the electric wire C (see FIG. 1) independently from the guide member. Hereinafter, the same members as those in the first and second embodiments are denoted by the same reference numerals, and the description thereof is omitted.

The arm advance / retreat mechanism of the wire cutting / connecting auxiliary tool 3 according to the present embodiment includes an advance / retreat guide portion 31 and a butterfly bolt 33 as in the first and second embodiments, and further a screw to be screwed to the butterfly bolt 33. A hole 37 is provided in the arm portion 11. The guide member 30 and the wire holding arm 10 are integrated by screwing the shaft portion of the butterfly bolt 33 into the screw hole 37 of the arm portion 11 in a state where the shaft portion is inserted through the advance / retreat guide portion 31. When the butterfly bolt 33 is fastened to the screw hole 37, the electric wire holding arm 10 cannot move relative to the guide member 30. Further, when the butterfly bolt 33 is loosened, the electric wire holding arm 10 can move relative to the guide member 30, and the electric wire holding arm 10 is guided by the advance / retreat guide portion 31 and moves forward and backward along the movement path.
In this embodiment, the scale advance / retreat mechanism and the arm advance / retreat mechanism are used in the same manner as in the first embodiment. That is, when the butterfly bolt 33 is loosened, the guide member 30 and the scale 40 integrated with the guide member 30 are guided by the advance / retreat guide portion 31 and move forward and backward along the movement path.
The guide member 30 is configured to advance and retreat along the movement path at a position that does not hinder the cutting and connecting work of the electric wires, in other words, at the retracted position. That is, the contact / separation movement of the guide member 30 with respect to the electric wire C is prohibited.

The scale contact / separation mechanism is a mechanism that moves the scale 40 forward and backward between the measurement position approaching the electric wire C and the separated retreat position independently of the guide member 30. The scale contact / separation mechanism includes two parallel guide arms 47 projecting in a direction perpendicular to the longitudinal direction of the scale 40 and elongated holes formed along the projecting direction (longitudinal direction) of each guide arm 47. The scale contact / separation guide portion 49, the butterfly bolt 43 through which the shaft portion is inserted into each scale contact / separation guide portion 49, and the shaft portion of each butterfly bolt 43 formed at appropriate positions of the guide member 30 are screwed. Two screw holes 45 are provided. The two guide arms 47 protrude in a direction away from the electric wire C when the electric wire holding part 15 holds the electric wire C.
When the butterfly bolt 43 is fastened to the screw hole 45, the scale 40 cannot be moved relative to the guide member 30. Further, when the butterfly bolt 43 is loosened, the scale 40 can move relative to the guide member 30. That is, the scale 40 is guided by the scale contact / separation guide portion 49 and moves forward and backward with respect to the electric wire C between the measurement position and the retracted position.
About the usage method, since it is the same as that of 1st and 2nd embodiment, the description is abbreviate | omitted.

As described above, also in this embodiment, the scale can be moved to the retracted position separated from the electric wire, so that the scale does not become an obstacle to the operation at the time of cutting and connecting the electric wire.
Further, since the scale can be moved to the measurement position close to the electric wire, the insertion position of the sleeve with respect to the electric wire can be easily confirmed.

  1, 2, 3... Electric wire disconnection connection aid, 10. Electric wire holding arm, 11. Arm portion, 13 ... Contact / separation guide portion, 15 ... Electric wire holding portion, 17 a ... First divided piece, 17 b ... Second Split piece, 19 ... spacer, 21 ... hinge part, 23a ... first coupling piece, 23b ... second coupling piece, 25 ... screw hole, 27 ... butterfly bolt, 30 ... guide member, 30a ... one end, 30b ... other End, 31 ... advance / retreat guide part, 33 ... butterfly bolt, 35 ... wing nut, 37 ... screw hole, 40 ... scale, 41 ... scale advance / retreat guide part, 43 ... butterfly bolt, 45 ... screw hole, 47 ... guide arm, 49 ... Scale contact / separation guide part, 51 ... Arm advance / retreat guide part, 53 ... Insertion hole, C ... Electric wire, S ... Sleeve, W ... Wire

Claims (4)

Two electric wire holding arms each having an electric wire holding portion for holding the electric wire in a detachable manner;
A guide member including a guide portion that guides at least one of the electric wire holding arms so as to advance and retreat along a predetermined movement path;
A scale that is disposed on the guide member and that confirms the connection position between the two electric wires held by the electric wire holding portions;
An electric wire comprising a scale contact / separation mechanism for moving the scale between a measurement position approaching the electric wire and a separated retreat position integrally with the guide member or independently. Auxiliary tool for cutting connection.   The wire cutting / connecting auxiliary tool according to claim 1, further comprising a scale advance / retreat mechanism that enables the scale to advance and retreat along the movement path.   The said scale is integrated with the said guide member, The auxiliary tool for electric wire cutting connection of Claim 2 characterized by the above-mentioned.   The said scale is comprised so that relative movement with respect to the said guide member is possible, The auxiliary tool for electric wire cutting connection of Claim 2 characterized by the above-mentioned.

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