JP5461667B1 - Wire opening support - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a wire opening support tool capable of easily and safely performing a cutting operation of a wire in a live line state in an indirect hot wire method.
SOLUTION: An electric wire opening support tool 1 that is used for cutting live wires in an indirect hot wire construction method and supports the cut wires in a state of being separated from each other, and includes one of the cut portions of the wires. The first clip 2 that clamps the portion on the side, the second clip 6 that clamps the portion on the other side of the cut portion of the electric wire, and the first clip 2 and the second clip 6 are connected. In addition, an elastic member 10 that urges the first clip 2 and the second clip 6 in a direction away from each other is provided.
[Selection] Figure 1

Description

  The present invention relates to an electric wire opening support, and more particularly, to an electric wire opening support effective for cutting a high-voltage line edge by an indirect hot wire method.

  Conventionally, in the cutting operation of the high-voltage line edge line by the indirect hot wire method, since the charged portion of the high-voltage line edge line is exposed after cutting, the ground fault due to the cut high-voltage line edge line is shaken by the wind, There is a risk of an accident such as a short circuit.

  For this reason, until the terminal cap is attached to the charging part of the cut high-voltage line edge line, the cut high-voltage line edge line is supported by various electric wire opening supports, and the charged part of the cut high-voltage line edge line is separated. It is necessary to continue to support the state that was allowed to.

  An example of this type of electric wire support is described in Patent Document 1. An electric wire support described in Patent Document 1 includes a tool body, an expansion rod that extends and contracts on the other end side of the tool body, a pair of chucks connected to one end side of the tool body and the distal end portion of the expansion rod, and a tool It is comprised from the handle side electric wire holder attached to the one end side of a main body, and the expansion / contraction hook side electric wire holder attached to the front end side of an expansion / contraction hook.

  In order to support the cut wire using the wire opening support tool (hot wire sorting tool) with such a configuration, both chucks are fixed to the required part of the wire, and the expansion rod is contracted by the handle. After bending both chucks by pulling both chucks in the opposite direction, both ends of the bent wire parts are held and fixed by the handle-side electric wire holder and the expansion rod side electric wire holder. The electric wire part between the holders is cut at a position close to one of the holders, and the electric wires are distributed with the other holder facing the lower side of the tool body.

JP 2008-206254 A

  However, in the wire opening support described in Patent Document 1, since the structure is complicated and skill is required for operation, when an inexperienced operator operates, charging of the wire that has been cut by mistake There is a risk of contacting the part with hardware. Moreover, since the weight is heavy, the operability at a high place is poor, and it takes time and labor to cut the electric wire.

  The present invention has been made in view of the above-described conventional problems, and when cutting an electric wire by the indirect hot wire method, the electric wire cutting operation can be safely performed without being affected by the skill level of the operator. It is an object of the present invention to provide a wire opening support that can be easily performed in a short time.

In order to solve the above problems, the present invention employs the following means.
That is, the present invention is an electric wire opening support tool that is used for cutting live wires in an indirect hot wire method and supports the cut wires in a state of being separated from each other. A first clip that sandwiches a portion on the other side of the wire, a second clip that sandwiches a portion on the other side of the cut portion of the electric wire, and the first clip and the second clip, and An elastic member that urges the first clip and the second clip away from each other, and the elastic member causes the first clip and the second clip to cross each other in a direction intersecting the axis of the electric wire. It has an elastic force for separating .

According to the wire opening support tool of the present invention, the first clip is used to hold a portion on one side of the cut portion of the electric wire, and the second clip is used to hold the portion on the other side of the cut portion of the electric wire. By cutting the cut portion of the electric wire, the first clip and the second clip are urged by the elastic member and separated from each other in the direction intersecting the axis of the electric wire, and follow the first clip and the second clip. The part on one side and the part on the other side of the cut portion of the electric wire are separated from each other in the direction intersecting the axis of the electric wire .
And in this state, both charging parts can be insulated by attaching a terminal cap to the charging part on one side of the cut part of the electric wire and the charging part on the other side.
Therefore, even if an inexperienced worker is not affected by the skill level of the worker, the wire cutting operation can be easily performed in a short time, and the occurrence of a short circuit or a ground fault can be ensured. Can be prevented.

  Further, in the present invention, the elastic member is a torsion coil spring, the arm portions at both ends are provided so as to face each other about the coil axis, and one arm portion is connected to the first clip, The arm portion may be connected to the second clip.

  According to the wire opening support of the present invention, the first clip and the second clip are twisted in the winding direction of the torsion coil spring by holding the first clip and the second clip by hand and the torsion coil spring is twisted to the first clip and the second clip. The spring force by is applied. In this state, the first clip is used to hold the portion on one side of the cut portion of the electric wire, the second clip is used to hold the other portion on the other side, and the electric wire is cut from the cut portion. The first clip and the second clip are restored to their original positions by the restoring force of the wire, and the part on one side and the part on the other side of the cut portion of the electric wire follow the first clip and the second clip in the same direction. It moves and is supported in a state where the part on one side and the part on the other side are separated.

  Further, in the present invention, the torsion coil spring includes a pair of coil portions arranged to face each other so that a coil axis is located on the same line, an arm portion at the other end of one coil portion, and one end of the other coil portion. A connecting portion that connects the arm portion, one arm portion of one coil portion is connected to the first clip, and the other arm portion of the other coil portion is connected to the two clips. It is good as well.

  According to the wire opening support tool of the present invention, the first clip and the second clip are twisted in the winding direction of the pair of coil portions of the torsion coil spring, whereby the spring force generated by the pair of coil portions on the first clip and the second clip. And the spring force moves the part on one side of the cut part of the electric wire held by the first clip and the part on the other side of the cut part of the electric wire held by the second clip in a direction away from each other. And are supported in a state of being separated from each other.

  As described above, according to the wire opening support tool of the present invention, even if an inexperienced worker is not influenced by the skill level of the worker, the wire can be safely and easily obtained in a short time. Can be cut off and insulation treatment of the charged part of the cut electric wire can be performed.

It is the perspective view which showed the whole one Embodiment of the electric wire open | release support tool by this invention. It is. It is explanatory drawing which showed the work procedure by the electric wire open | release support tool of FIG. 1, Comprising: It is explanatory drawing which showed the state which has arrange | positioned the electric wire open | release support tool in the position close | similar to the cutting location of an electric wire. It is explanatory drawing which showed the state which made the electric wire penetrate in the clamping part of the clip of the electric wire open | release support tool of FIG. It is explanatory drawing which showed the state which clamped both sides of the cut location of an electric wire with the clip of the electric wire open | release support tool of FIG. It is explanatory drawing which showed the state which cut | disconnected the cut location of the electric wire in the state which clamped both sides of the cut location of the electric wire with the clip of an electric wire open | release support tool.

Hereinafter, embodiments of the present invention will be described with reference to the drawings.
1 to 5 show an embodiment of the wire opening support according to the present invention. The wire opening support 1 according to the present embodiment is used, for example, for cutting an electric wire by the indirect hot wire method, and continues to support the cut electric wire until the terminal cap is attached to the charging portion of the cut electric wire. It is effective.
In the present embodiment, the present invention is applied to the cutting operation of the high-voltage line edge line 15 where no tension is applied.

  As shown in FIG. 1, the wire opening support 1 of the present embodiment is connected between the first clip 2, the second clip 6, the first clip 2 and the second clip 6, It is comprised from the elastic member 10 which urges | biases the clip 2 and 6 in the direction which mutually spaces apart.

  The first clip 2 includes a pair of strip-like clip members 2a and 2b made of an insulating material such as a synthetic resin, and a connecting shaft made of an insulating material such as a synthetic resin that rotatably connects the clip members 2a and 2b. 3 and a spring (not shown) that urges the clip members 2a and 2b in the direction of closing the tips.

  The first clip 2 is configured as a sandwiching portion 4 having a pair of sandwiches 4 a and 4 b sandwiching the high-voltage line edge line 15 with a portion on the front side of the connecting shaft 3, and a portion on the rear side of the connecting shaft 3 is sandwiched. The handle portion 5 includes a handle portion 5 including a pair of handles 5 a and 5 b that opens and closes the ends of the pair of clamps 4 a and 4 b. The angle of the handle 5 is set so that the distance between the handles 5a and 5b gradually increases from the connecting shaft 3 to the rear end.

  The second clip 6 has the same configuration as that of the first clip 2, and rotates a pair of strip-like clip members 6 a and 6 b made of an insulating material such as synthetic resin, and both the clip members 6 a and 6 b. The connecting shaft 7 is made of an insulating material such as synthetic resin that is movably connected, and a spring (not shown) that urges both the clip members 6a and 6b in a direction to close the ends.

  Similar to the first clip 2, the second clip 6 is configured as a sandwiching portion 8 having a pair of sandwiches 8 a and 8 b sandwiching the high-voltage line edge line 15 at a portion ahead of the connecting shaft 7. Further, the rear side portion is configured as a handle portion 9 including a pair of handles 9a and 9b for opening and closing between the tips of the pair of clips 8a and 8b of the clip portion 8. The angle of the handle 9 is adjusted so that the distance between the handles 9a and 9b gradually increases from the connecting shaft 7 to the rear end.

  By grasping the handle portions 5 and 9 of the first clip 2 and the second clip 6 by hand and applying force in the direction of narrowing the distance between the handles 5a, 5b, 9a and 9b, a pair of the sandwiching portions 4 and 8 Between the tips of the clamps 4a, 4b, 8a, 8b can be opened against the biasing force of the spring, and the hands 5a, 5b, 9a, 9b of the handles 5, 9 can be released to release the force. Thus, the ends of the pair of sandwiching portions 4a, 4b, 8b, 8a, 8b of the sandwiching portions 4, 8 can be closed by the biasing force of the spring.

  In the present embodiment, it is possible to hold the high-voltage line edge 15 at a plurality of locations of the handles 5a, 5b, 9a, 9b of the handle portions 5, 9 of the first clip 2 and the second clip 6. According to the wire diameter of the high-voltage line edge line 15, the high-voltage line is at an appropriate position such as the front end part, the rear end part, and the central part between the handles 5 a, 5 b, 9 a, 9 b of the handle parts 5, 9. The edge line 15 can be clamped.

  In the present embodiment, a torsion coil spring 10 is used as the elastic member 10. The torsion coil spring 10 includes a pair of coil portions (a first coil portion 11 and a second coil portion 12) that are arranged to face each other at a predetermined interval, and an arm that is drawn out from both ends of both the coil portions 11 and 12 in the winding direction. Part 11a, 11b, 12a, 12b and the connection part 13 which connects between the 2nd arm part 11b of the right end of the 1st coil part 11, and the 1st arm part 12a of the left end of the 2nd coil part 12. .

  The first coil portion 11 and the second coil portion 12 have a coil shape with the same wire diameter, coil inner diameter, coil outer diameter, number of turns, spring constant, etc., and the coil axes are positioned on the same line. Opposed. The first coil part 11 and the second coil part 12 receive a torsional moment when the first arm part 11a at the left end of the first coil part 11 and the second arm part 12b at the right end of the second coil part 12 receive a torsional moment. A spring force is generated around the coil axis in the coil portions 11 and 12.

  The second arm portion 11b of the first coil portion 11 and the first arm portion 12a of the second coil portion 12 are set to have the same pulling direction and pulling length from both the coil portions 11 and 12, and both arm portions 11b. , 12a are connected by a connecting portion 13 parallel to the coil axes of the coil portions 11, 12.

  The first arm portion 11a of the first coil portion 11 and the second arm portion 12b of the second coil portion 12 are set to have a pulling direction so as to face each other with the coil axes of both the coil portions 11 and 12 as the center. The length is set the same. Thereby, when both arm parts 11a and 12b receive torsional moment, the same spring force can be generated in both coils 11 and 12.

  In the torsion coil spring 10 configured as described above, the first arm portion 11a of the first coil portion 11 is connected to the end portion of one handle 5a of the handle portion 5 of the first clip 2, and the second coil portion 12 The second arm 12 b is connected to the end of the other handle 9 b of the handle 9 of the second clip 6. In this case, the axis of the connecting shafts 3 and 7 of the first clip 2 and the second clip 6 is parallel to the coil axes of the first coil portion 11 and the second coil portion 12, and the first clip 2 and the second clip 6 The connection position of the first clip 2 and the second clip 6 with respect to the torsion coil spring 10 is set so that the two clips 6 are located at positions facing each other about the coil axes of the first coil portion 11 and the second coil portion 12. ing.

Next, the usage method of the electric wire open | release support tool 1 of this Embodiment comprised as mentioned above is demonstrated.
When cutting the high-voltage line edge line 15, first, as shown in FIG. 2, the electric wire release support tool 1 is disposed at a position close to the cutting portion 17 of the high-voltage line edge line 15. Holding the first clip 2 and the second clip 6 by hand, both the clips 2 and 6 are resisted against the spring force of the coil portions 11 and 12 of the torsion coil spring 10 and the winding direction of the coil portions 11 and 12 (arrow a) , B direction), the two clips 2 and 6 are adjusted to face the same direction with the coil axes of both the coil portions 11 and 12 as the center.

  Next, as shown in FIG. 3, the handles 5a, 5b, 9a and 9b of the handle portions 5 and 9 of the first clip 2 and the second clip 6 are grasped by hand, and the handles 5a, 5b, 9a and 9b are By applying force, the ends of the clip portions 4a, 4b, 8a, 8b of the clip portions 4, 8 of the clips 2, 6 are opened, and the high-voltage line is connected between the clip portions 4a, 4b of the clip portion 4 of the first clip 2. One side portion 15a of the cut portion 17 of the edge line 15 is inserted, and the other side portion 15b of the cut portion 17 of the high voltage line edge line 15 is inserted between both the pinches 9a and 9b of the pinch portion 9 of the second clip 6. .

  Next, as shown in FIG. 4, by releasing hands from the handle portions 5 and 9 of the first clip 2 and the second clip 6, a high-voltage line is provided between the handles 5 a and 5 b of the handle portion 5 of the first clip 2. A portion 15a on one side of the cut portion 17 of the edge line 15 is sandwiched, and a portion 15b on the other side of the cut portion 17 of the high-voltage line edge line 15 is sandwiched between the handles 9a and 9b of the handle portion 9 of the second clip 6. To do.

  Next, as shown in FIG. 5, the cutting portion 17 of the high-voltage line edge line 15 is cut using a cutting tool. As a result, the first clip 2 and the second clip 6 are rotated in the direction of their original positions around the coil axes of the coil portions 11 and 12 by the restoring force of the coil portions 11 and 12 of the torsion coil spring 10. Following the two clips 2 and 6, the one side portion 15 a and the other side portion 15 b of the cutting portion 17 of the high-voltage line edge line 15 rotate in the same direction, and the cutting portion 17 of the high-voltage line edge line 15. The one side portion 15a and the other side portion 15b move relative to each other in the direction intersecting the axis of the high voltage line edge line 15, and the one side portion 15a and the other side part 15b of the cut high voltage line edge line 15 are It is supported in a state of being separated from each other.

  Then, by attaching the terminal cap 18 to the charging portion 16a of the one side portion 15a of the high-voltage line edge line 15 cut in this state and the charging portion 16b of the other side portion 15b, both charging portions 16a and 16b are connected. The terminal cap 18 can be insulated.

  In the wire opening support 1 of the present embodiment configured as described above, the first clip 2 and the second clip 6 are twisted in the winding direction of the torsion coil spring 10 so that the first clip 2 and the second clip 6 are twisted. The clip 6 holds the portion 15a on one side and the portion 15a on the other side of the cut portion 17 of the high-voltage line edge line 15 and cuts the cut portion 17 in this state, thereby The one-side portion 15a and the other-side portion 15b can be moved in the direction intersecting the axis of the high-voltage line edge line 15 and supported in a state of being separated from each other. By attaching the terminal cap 18 to the charging part 16a of the part 15a on one side and the charging part 16b of the part 15b on the other side, the charging parts 16a and 16b can be insulated.

  Accordingly, the one-side portion 15a and the other-side portion 15b of the cut portion 17 of the high-voltage line edge 15 are supported in a state of being separated from each other by a simple operation, and the one-side portion 15a of the high-voltage line edge 15 cut. Since the terminal cap 18 can be attached to the charging part 16a of the battery and the charging part 16b of the other side part 15b, it is not necessary to have skill in the operation, and even a worker with little work experience can operate it reliably. Thus, it is possible to insulate the charged parts 16a and 16b of the cut high-voltage line edge line 15 and reliably prevent the occurrence of a ground fault and a short-circuit accident due to an operator's mistake. Can be secured.

  Moreover, since it is a simple structure which consists of the 1st clip 2, the 2nd clip 6, and the torsion coil spring 10 which connects between the 1st clip 2 and the 2nd clip 6, it manufactures easily. Manufacturing costs can be reduced.

  The first clip 2 and the second clip 6 are lightweight ones made of an insulating material such as synthetic resin, and the lightweight first clip 2 and the second clip 6 are connected by a torsion coil spring 10. Therefore, the entire wire opening support 1 can be reduced in weight, the operability at a high place can be improved, and the high-voltage line edge line 15 can be cut efficiently.

  In the above description, the torsion coil spring 10 is constituted by the first coil part 11, the second coil part 12, and the connecting part 13 that connects the first coil part 11 and the second coil part 12. However, when a predetermined spring force is obtained, the torsion coil spring 10 may be constituted by one coil portion.

  In the above description, the torsion coil spring 10 is used as the elastic member 10, but not limited to the torsion coil spring 10, the first clip 2 and the second clip 6 are used for the cutting portion 17 of the high-voltage line edge line 15. In a state where the one-side portion 15a and the other-side portion 15b are sandwiched, the one-side portion 15a and the other-side portion 15b of the cutting portion 17 are separated from each other in the direction intersecting the axis of the high-voltage line edge line 15. Anything can be used.

  Further, in the above description, the one side portion 15 a and the other side portion 15 b of the cut portion 17 of the high-voltage line edge line 15 are connected by the spring force of the torsion coil 10 spring as the elastic member 10. By moving in the direction intersecting the axis of the line, the one side portion 15a and the other side portion 15b of the cut portion 17 of the high voltage line edge line 15 are separated from each other in that direction. By moving the part 15a on one side and the part 15b on the other side of the cutting part 17 of the line 15 in the axial direction of the high-voltage line edge line 15, a part on one side of the cutting part of the high-voltage line edge line 15 in that direction You may comprise so that between the 1st clip 2 and the 2nd clip 6 may be connected with various elastic members 10 so that 15a and the other side part 15b may mutually space apart.

  In the above description, the wire opening support 1 of the present invention is applied to the cutting operation of the high-voltage line edge line 15 that is not applied with tension, but the high-voltage line edge line 15 that is applied with tension and other various types. You may apply the wire open | release support tool 1 of this invention to the cutting operation | work of this electric wire.

DESCRIPTION OF SYMBOLS 1 Electric wire open | release support tool 2 1st clip 2a Clip member 2b Clip member 3 Connecting shaft 4 Clip part 4a Clip
4b pinch 5 handle 5a handle 5b handle 6 second clip 6a clip member 6b clip member 7 connecting shaft 8 pinch 8a pinch
8b Clamping 9 Handle part 9a Handle 9b Handle 10 Elastic member (torsion coil spring)
DESCRIPTION OF SYMBOLS 11 1st coil part 11a Arm part 11b Arm part 12 2nd coil part 12a Arm part 12b Arm part 13 Connection part 15 High voltage line edge 15a One side part 15b The other side part 16a Charging part 16b Charging part 17 Cutting part 18 Terminal cap

Claims (3)

It is used for the work of cutting live wires in the indirect hot wire method, and is a wire opening support tool that supports the cut wires in a state of being separated from each other,
Between the first clip that clamps the portion on one side of the cut portion of the electric wire, the second clip that holds the portion on the other side of the cut portion of the electric wire, and between the first clip and the second clip And an elastic member for biasing the first clip and the second clip in a direction away from each other,
The wire opening support according to claim 1, wherein the elastic member has an elastic force for separating the first clip and the second clip from each other in a direction intersecting the axis of the wire. The elastic member is a torsion coil spring, and arm portions at both ends are provided so as to face each other about a coil axis, one arm portion is connected to the first clip, and the other arm portion is the second arm portion. The wire opening support according to claim 1 , wherein the wire opening support is connected to a clip. The torsion coil spring is formed between a pair of coil portions arranged to face each other so that a coil axis is on the same line, and an arm portion at the other end of one coil portion and an arm portion at one end of the other coil portion. A connecting portion to be connected, wherein one arm portion of one coil portion is connected to the first clip, and the other arm portion of the other coil portion is connected to the second clip. The wire opening support according to claim 2 .

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