JP6320825B2 - Connector gripper for high voltage underline connection - Google Patents

Description

  The present invention relates to a connector gripper for connecting a high voltage underline for gripping a connector used to connect a high voltage line and a high voltage underline in an indirect hot wire operation.

  In an electric power supplier, when connecting a transformer to a high voltage line in a distribution system, after connecting a high voltage underline to the high voltage line, the transformer is connected to the high voltage line via the high voltage underline. Conventionally, when the high-voltage line is an aluminum electric wire, the high-voltage line and the high-voltage underline are connected via a compression sleeve. When the high-voltage line is a copper wire, a connector having a fastening screw is used to connect the high-voltage line and the high-voltage underline. The connection work between the high-voltage line and the high-voltage underline using the connector is performed by inserting the high-voltage line and the high-voltage underline into two fastening portions formed between two opposing fastening members in the connector, and tightening the fastening screw. Is done.

  2. Description of the Related Art Conventionally, a technique related to connection between a high-voltage line and a pull-down line using a connector is known (for example, see Patent Document 1). Patent Document 1 relates to a connector connection assisting tool that can improve workability when connecting the underline connector to the high voltage line.

JP 2011-114935 A

  However, in the indirect hot wire operation, it is necessary to align the high voltage line and the fastening part of the connector from a position away from the high voltage line, and the connector fastening part can be easily aligned with the high voltage line. There is a problem that it is difficult and workability is poor. Although patent document 1 performs indirect hot wire work using a connector connection auxiliary tool, alignment with a fastening part of a high voltage line and a connector must be performed visually from a distant place, and the above Similarly, there is a problem that it is difficult to position the high-voltage line and the fastening portion of the connector, and workability is poor.

  Therefore, the present invention provides a connector gripper for connecting a high voltage underline that can easily align the fastening portion of the connector with respect to the high voltage line and can smoothly connect the high voltage line and the high voltage underline. The purpose is to provide.

  In order to achieve the above object, the invention according to claim 1 is used for indirect hot-wire work, and includes a first fastening part into which a high-voltage line can enter and a second fastening part into which a high-voltage underline can enter. A high-voltage underline connecting connector gripping tool for gripping a connector formed at an interval, wherein a connector gripping part for detachably gripping one fastening member of two opposing fastening members in the connector is provided. And a swing arm provided so as to be swingable with respect to the grip body. The swing arm is a conductor exposed portion of the high-voltage line between two fastening members of the connector. In the state of interposing, the first fastening portion that is in contact with the vicinity of both ends of the conductor exposed portion of the high-voltage line by swinging by an operation from the outside, and located between the two fastening members of the connector The exposed conductor of the high-voltage wire The connector is temporarily fixed to the high voltage lines to match in a downward direction, it is the high pressure cuts wire connector gripper according to claim.

  According to the present invention, the exposed portion of the high-voltage line is interposed between the two fastening members of the connector, and the swing arm is swung by the operation from the outside in this state, so that the swing arm is connected to the high-voltage line. It will be in contact with the vicinity of both ends of the exposed conductor. Accordingly, the connector is temporarily fixed to the high-voltage line via the swing arm, and in this state, the first fastening portion located between the two fastening members of the connector is exposed to the conductor of the high-voltage line. It matches with the part in the vertical direction.

The invention according to claim 1, in the prior SL grip main body, the said second fastening portions located between the two fastening members of the temporary fixed the connector to the high voltage lines A high-voltage underline guide for guiding a conductor exposed portion of the high-voltage underline is formed.

According to a second aspect of the present invention, in the connector gripping tool for high-voltage underline connection according to the first aspect, a lock pin that locks the movement of the swing arm in the swing direction is movable on the grip main body. It is characterized by being provided.

According to a third aspect of the present invention, in the high voltage line underline connector gripping tool according to the first or second aspect , an insulating operation rod for indirect hot-wire work can be connected to the gripping main body. It is a feature.

  According to the first aspect of the present invention, since the connector can be temporarily fixed to the high voltage line via the swing arm, the connector can be easily aligned with the high voltage line. As a result, the connection work between the high-voltage line and the high-voltage underline by the connector can be performed smoothly, and the connection work time of the high-voltage underline can be shortened compared to the conventional indirect live-line work. In addition, since the fastening portion of the connector can be accurately positioned with respect to the high-voltage line, variations in work can be eliminated, and indirect hot-line work stable in quality can be performed.

According to the first aspect of the present invention, since the high-voltage underline guide is formed in the gripping main body portion, the conductor exposed portion of the high-voltage underline can be easily guided to the second fastening portion of the connector. The efficiency of connection work between the wire and the high-voltage underline can be further increased.

According to the second aspect of the present invention, since the lock pin that locks the movement of the swing arm in the swing direction is movably provided in the gripping main body, it is possible to restrict unnecessary swing of the swing arm. In addition, it is possible to prevent the connector from dropping off from the gripping main body due to unnecessary swinging of the swinging arm.

According to the third aspect of the present invention, since the insulating operation rod for indirect hot-wire work can be connected to the gripping main body, the high-voltage line and the high-pressure underline by the connector can be operated from a position away from the high-voltage line. Can be connected.

It is a front view of the underline connector gripping tool for high voltage lines concerning an embodiment of the invention. FIG. 2 is a side view of the high-voltage line underline connector gripping tool of FIG. 1. It is a rear view of the underline connector gripping tool for high voltage lines of FIG. FIG. 2 is a bottom view of the high-voltage line underline connector gripping tool of FIG. 1. It is an enlarged front view of the connector of FIG. FIG. 6 is a side view showing a fastening completion state of the connector of FIG. 5. It is a side view which shows the state before the fastening start of the connector of FIG. FIG. 2 is a front view of a common operation bar equipped with the high-voltage line underline connector gripping tool of FIG. 1. It is a side view which shows the state before the start of use of the underline connector gripping tool for high voltage lines of FIG. FIG. 2 is a side view showing a state where the connector is gripped by the high-voltage line underline connector gripping tool of FIG. 1. It is an enlarged front view of the part to which the high voltage underline in the high voltage line of FIG. 1 is connected. It is a side view which shows the state which mounted | wore the common operation rod with the underline connector gripper for high voltage | pressure lines of the state which gripped the connector of FIG. It is a side view which shows the state which rock | fluctuated the rocking | fluctuation arm of the underline connector holding tool for high voltage | pressure lines of FIG. 1 by operation from the outside. It is a side view which shows the positional relationship of the high voltage | pressure line of FIG. 1, and the fastening part of a connector. It is a front view which shows the connection operation | work of the high voltage | pressure line and the high voltage | pressure underline using the underline connector gripper for high voltage lines of FIG. It is an enlarged front view which shows the operation | work which guide | induces a high voltage underline to the fastening part of a connector in the state which temporarily fixed the connector of FIG. 5 to the high voltage line. It is an enlarged side view which shows the connection completion state of the high voltage | pressure line and high voltage underline by the connector of FIG. It is an enlarged front view which shows the connection completion state of the high voltage | pressure line and high voltage underline by the connector of FIG.

Next, embodiments of the present invention will be described in detail with reference to the drawings.
1 to 18 show an embodiment of the present invention, and particularly show a case where the present invention is applied to a connection work between a high voltage line and a high voltage underline by an indirect hot line work in a power distribution company's distribution system. . FIG. 8 shows a state in which the high-voltage line underline connector gripping tool 1 according to the present invention is mounted on a common operation rod 100 as an insulating operation rod. In FIG. 8, the common operation rod 100 includes a connection shaft 101, a connection pin 102, a lock screw 103, a connection portion 105, an operation rod main body 106, and an insulating umbrella portion 107. The connecting shaft 101 is a portion into which the connecting cylinder portion 5 on the high-voltage line underline connector gripper 1 side is fitted, and is formed in a columnar shape. The connection pin 102 is fixed to the connection shaft 101 and extends in a direction orthogonal to the axis P <b> 1 of the common operation rod 100. The connecting pin 102 can be engaged with a terminal portion of the lock groove 5a formed in the connecting cylinder portion 5 on the high-voltage line underline connector gripper 1 side.

  The lock screw 103 is screwed with a screw portion (not shown) formed below the connecting shaft 101, and the connecting cylinder portion 5 of the high-voltage line underline connector gripper 1 that is engaged with the connecting pin 102. It has a function of pressing upward. The connection cylinder portion 5 is prevented from moving in the vertical direction and around the axis P <b> 1 with respect to the connection shaft 101 by the pressing of the lock screw 103. The connecting portion 105 has a function of connecting the connecting shaft 101 and the operating rod main body 106. The operation rod main body 106 is composed of a member having high electrical insulation and extends in the vertical direction. A plurality of truncated cone-shaped insulating umbrella portions 107 are provided in the middle of the operation rod main body 106 in the axial direction. The insulating umbrella portion 107 has a function of preventing rain attached to the upper end portion of the operating rod body 106 from flowing down to the lower end side of the operating rod body 106.

  5 to 7 show the connector 50 gripped by the high-voltage line underline connector gripping tool 1. The connector 50 includes a first fastening member 51, a second fastening member 52, an opening spring 53, and a fastening screw 54. The first fastening member 51 and the second fastening member 52 are disposed to face each other. The 1st fastening member 51 is comprised, for example from the copper alloy with high electrical conductivity, and the planar shape is formed in the substantially rectangular shape. On the surface of the first fastening member 51 that faces the second fastening member 52, a first recess 51a that can contact the conductor exposed portion 100b of the high-voltage wire 110 shown in FIG. 11 and a high-voltage underline shown in FIG. 11 conductor exposed portions 111b and second recesses 51b that can come into contact with each other are formed. The first recess 51a and the second recess 51b are formed at a predetermined interval in the vertical direction. An engagement recess 51 c is formed between the first recess 51 a and the second recess 51 b in the first fastening member 51.

  The second fastening member 52 is made of, for example, a copper alloy having a high conductivity, and the planar shape is formed in a substantially rectangular shape. On the surface of the second fastening member 52 facing the first fastening member 51, there is a third recess 52a that can come into contact with the conductor exposed portion 110b of the high-voltage wire 110 shown in FIG. 11, and a high-voltage underline shown in FIG. And a fourth recess 52b that can contact the eleven conductor exposed portions 111b. The third recess 52a and the fourth recess 52b are formed at a predetermined interval in the vertical direction. An engaging convex portion 52 c is formed between the third concave portion 52 a and the fourth concave portion 52 b in the second fastening member 52.

  The connector 50 is formed with a first fastening portion 50a and a second fastening portion 50b. The first fastening portion 50a and the second fastening portion 50b are formed with a predetermined interval in the vertical direction. That is, the 1st fastening part 50a is a site | part for connecting the conductor exposure part 100b of the high voltage | pressure wire 110, and is formed when the 1st recessed part 51a and the 3rd recessed part 52a oppose. Similarly, the second fastening part 50b is a part for connecting the conductor exposed part 111b of the high-voltage underline 111, and is formed by the second recessed part 51b and the third recessed part 52b facing each other. . In the connector 50, when the first fastening member 51 and the second fastening member 52 are close to each other, the engaging concave portion 51 c and the engaging convex portion 52 c are engaged with each other in the vertical direction. A positional deviation in the vertical direction with respect to the second fastening member 52 is prevented.

  Opening springs 53 are respectively provided on the left and right side surfaces of the connector 50. Each open spring 53 is held by fulcrum protrusions 51d and 52d formed on the first fastening portion 50a and the second fastening portion 50b. Each open spring 53 has a function of pressing (urging) the first fastening member 51 and the second fastening member 52 outward with the fulcrum protrusions 51d and 52d as the center. A fastening screw 54 for advancing and retracting the second fastening member 52 with respect to the first fastening member 51 is provided at the center of the connector 50.

  The connector 50 has a function of changing the distance between the first fastening portion 50a and the second fastening portion 50b by rotating the head portion 54a of the fastening screw 54 about the axis. FIG. 6 shows a state where the fastening screw is tightened, and FIG. 7 shows a state where the fastening screw is loosened. As shown in FIG. 7, when the fastening screw is loosened, the conductor exposed portion 110b of the high-voltage line 110 can enter the first fastening portion 50a, and the high-voltage pull-down line enters the second fastening portion 50b. 111 conductor exposed portions 111b can enter.

  1 to 4 show the underline connector gripping tool 1 for high voltage lines. The high-voltage line underline connector gripping tool 1 includes a gripping main body portion 2, a swing arm 3, a lock pin 4, and a connecting tube portion 5. Each part which comprises the underline connector holding tool 1 for high voltage | pressure lines is comprised from the metal member, for example. The grip body 2 has a vertical frame 21 and a horizontal frame 22. The vertical frame 21 extends in the vertical direction. The connecting cylinder portion 5 is connected to the lower frame 21 a side of the vertical frame 21. A swing arm 21 is provided on the upper part 21 b side of the vertical frame 21. A first connector gripping portion 21 c is formed on the top side of the vertical frame 21. The first connector gripping part 21c has a function of detachably holding the connector 50 in cooperation with a second connector gripping part 22a described later. The horizontal frame 22 is fixed substantially at the center in the vertical direction on the surface side of the vertical frame 21. As shown in FIG. 1, the horizontal frame 22 extends horizontally in the left-right direction around the vertical frame 21. As shown in FIG. 3, a seat plate 23 and a bolt 24 for fixing the horizontal frame 22 to the vertical frame 21 are provided on the back side of the vertical frame 21.

  On the surface side of the horizontal frame 22, a second connector gripping portion 22a is formed. The second connector gripping part 22a is a part of the upper part of the surface side of the connector gripping part 22a of the horizontal frame 22, and the lower part of the connector 50 can be stored. The 2nd connector holding part 22a has a function which hold | maintains the 2nd fastening member 52 among the two fastening members 51 and 52 which oppose in the connector 50 so that attachment or detachment is possible. That is, as shown in FIG. 10, the connector 50 has an upper portion of the second fastening member 52 engaged with the arc-shaped first connector gripping portion 21c formed on the top side of the vertical frame 21, and the second The lower part of the fastening member 52 comes into contact with the second connector gripping portion 22a so that the gripping main body portion 2 is detachably gripped.

  A swing arm 3 is connected to the upper portion of the grip body 2. The swing arm 3 includes a swing arm main body 31, a high-voltage line guide portion 32, and a swing ring 33. The swing arm main body 31 is formed in an L shape and can swing in the vertical direction with respect to the vertical frame 21 of the grip main body 2. Specifically, the swing arm body 31 is swingable about a lock pin 4 that is provided so as to be movable with respect to the vertical frame 21 of the grip body 2. A pair of high-voltage wire guide portions 32 are fixed via bolts 34 on the distal end side of the swing arm body 31 formed in an L shape. One high-voltage line guide portion 32 is fixed to the left side of the swing arm main body 31. The other high-voltage line guide portion 32 is fixed to the right side of the swing arm main body 31. The left and right high voltage line guide portions 32 are formed with arcuate guide surfaces 32a that can come into contact with the vicinity of both ends of the conductor exposed portion 110b of the high voltage line 110 shown in FIG. In other words, the arcuate guide surface 32a can be in contact with the outer peripheral surfaces of both ends in the axial direction of the conductor exposed portion 110b of the high-voltage line 110. An annular swing ring 33 is attached to the top of the swing arm body 31. As shown in FIG. 13, the rocking ring 33 can be engaged with the tip of another insulating tool 120.

  The oscillating arm 3 is configured such that the high voltage line is moved by the downward movement of another insulating tool 120 while the conductor exposed portion 110b of the high voltage line 110 is interposed between the two fastening members 51 and 52 of the connector 50. The first fastening portion 50a located between the two fastening members 51 and 52 of the connector 50 is in contact with the vicinity of both ends of the exposed conductor portion 110b of the 110 so as to coincide with the exposed conductor portion 110b of the high-voltage line 110 in the vertical direction. The connector 50 has a function of temporarily fixing the connector 50.

  A high-voltage underline guide 22 a is formed on the horizontal frame 22 of the grip body 2. The high pressure underline guide 22a has an arcuate curved surface having substantially the same curvature as the diameter of the high pressure underline 111. As shown in FIGS. 7 and 16, the high-voltage underline guide 22 a has a high pressure on the second fastening portion 50 b positioned between the two fastening members 51 and 52 of the connector 50 temporarily fixed to the high-voltage line 110. It has a function of guiding the conductor exposed portion 111b of the underline 111. The grip main body 2 is provided with a lock pin 4 that locks the movement of the swing arm 3 in the swinging direction while the connector 5 is temporarily fixed. The lock pin 4 is formed in a U shape, and the base end side is movably inserted into the vertical frame 21. The distal end side of the lock pin 4 can enter a lock hole (not shown) formed in the swing arm body 31. A spring 41 that biases the lock pin 4 in the axial direction is provided on the outer periphery of the lock pin 4 on the base end portion 4a side.

  Next, the operation procedure and action of the high-voltage line underline connector gripping tool 1 according to the embodiment of the present invention will be described.

  The connection work between the high voltage line 110 and the high voltage underline 111 using the connector 50 is performed from the lower side of the high voltage line 110 by, for example, two workers. When connecting the high voltage pull-down line 111 to the high voltage line 110 via the connector 50, first, as a preparation stage, as shown in FIG. 9, the lock pin 4 is moved in the horizontal direction and the swing arm 3 is raised. To fix. Next, as shown in FIG. 10, the second fastening member 52 of the connector 50 is engaged with the arc-shaped first connector gripping portion 21 c of the vertical frame 21, and the connector 50 is second fastened. By bringing the lower part of the member 52 into contact with the second connector gripping part 22a, the connector 50 is detachably gripped by the gripping main body part 2.

  When the holding of the connector 50 to the high-voltage line underline connector gripper 1 is completed, as shown in FIG. 10, the high-voltage line underline connector gripper 1 is attached to the distal end portion of the common operation bar 100 as an insulating operation bar. Is done. As shown in FIG. 8, the high-voltage line underline connector gripping tool 1 is mounted in a state where the lock screw 103 of the common operation rod 100 is moved downward, as shown in FIG. Is inserted into the connecting shaft 101 of the common operation rod 100. Then, the common operation rod 100 is rotated around the axis P <b> 1, and the connection pin 102 of the common operation rod 100 is engaged with the terminal portion of the lock groove 5 a of the connection cylinder portion 5 of the high-voltage line underline connector gripper 1. . In this state, the lock screw 103 is rotated around the axis P <b> 1, and the lock screw 103 is moved upward, so that the connecting cylinder portion 5 engaged with the connecting pin 102 is pressed by the lock screw 103. As a result, the connecting tube portion 5 is prevented from moving in the vertical direction and around the axis P1 with respect to the connecting shaft 101, and the mounting of the high-voltage line underline connector gripper 1 to the common operation rod 100 is completed.

  Thereafter, the common operation rod 100 is raised upward as indicated by an arrow F1 in FIG. Then, the connector 50 gripped by the high-voltage line underline connector gripper 1 is brought close to the high-voltage line 110, and the high-voltage line 110 is interposed between the two fastening members 51 and 52 of the connector 50 as shown in FIG. The exposed conductor portion 110a is interposed. Here, when connecting the high-voltage underline 111 to the high-voltage line 110 via the connector 50, as shown in FIG. 11, the axial direction of the insulating sheath 110a in the high-voltage line 110 using a special tool (not shown) in advance is used. Is cut away by a length L1.

  Next, with the conductor exposed portion 110a of the high-voltage wire 110 interposed between the two fastening members 51 and 52 of the connector 50, the swing arm 3 is swung downward as indicated by the arrow F2 by operating the insulating tool 120. Move. As a result, the arcuate guide surfaces 32a of the left and right high voltage line guide parts 32 of the swing arm 3 come into contact with the vicinity of both ends of the conductor exposed part 110b of the high voltage line 110, and as shown in FIG. The connector 50 is temporarily fixed to the high-voltage line 110 so that the first fastening part 50a located between the fastening members 51 and 52 matches the conductor exposed part 110b of the high-voltage line 110 in the vertical direction.

  FIG. 15 shows a high voltage underline 111 extending from a transformer (not shown) installed below the high voltage line 110 toward the high voltage line 110. The high-voltage underline 111 has a drooping start end portion 111 d entangled with the high-voltage line 110 in order to hold the drooping portion from the high-voltage line 110 by the high-voltage line 110. The upper end side of the high voltage underline 111 extends to the connector 50 side along the high voltage line 110. FIG. 16 shows a state where the high voltage underline 111 is connected to the connector 50 temporarily fixed to the high voltage line 110. As shown in FIG. 16, when the high-voltage underline 111 is connected to the high-voltage line 110, the insulating sheath 111a at the upper tip is cut off by a predetermined length in the axial direction, and the upper tip is exposed to the conductor. Only the portion 111b is provided. In this state, the high-voltage underline 111 is gripped by another insulating tool 130 and moved in the horizontal direction toward the connector 50 as indicated by an arrow F3 in FIG.

  Here, a high-pressure underline guide 22 a is formed on the horizontal frame 22 of the grip body 2, and the high-pressure underline guide 22 a has an arcuate curved surface having substantially the same curvature as the diameter of the high-pressure underline 111. Therefore, the high voltage underline 111 moves in the horizontal direction in a state where the insulating outer skin 111a is in contact with the high voltage underline guide 22a. As a result, the high-voltage underline 111 is aligned with respect to the second fastening portion 50b of the connector 50 in the vertical direction and the horizontal direction. The conductor exposed portion 111b of the high-voltage underline 111 is smoothly guided to the second fastening portion 50b located between the two fastening members 51 and 52 of the connector 50 temporarily fixed to the high-voltage wire 110.

  In a state where the conductor exposed portion 110b of the high-voltage line 110 enters the first fastening portion 50a of the connector 50 and the conductor exposed portion 111b of the high-voltage underline 111 is inserted into the second fastening portion 50b of the connector 50, the connector 50 Tightening of the fastening screw 54 is started. The fastening screw 54 is tightened by rotating the fastening screw 54 around the axis P2 as indicated by an arrow F4 by a torque wrench (not shown) attached to another common operation rod (not shown). When the fastening screw 54 is tightened with a predetermined torque, the conductor exposed portion 110b of the high voltage line 110 and the conductor exposed portion 111b of the high voltage underline 111 are both tightened by the two fastening members 51 and 52 of the connector 50, The high voltage line 110 and the high voltage underline 111 are electrically connected via the connector 50. FIG. 18 shows a state where the high voltage line 110 and the high voltage underline 111 are electrically connected via the connector 50.

  When the connection between the high voltage line 110 and the high voltage underline 111 is completed, the lock pin 4 is moved in the horizontal direction by an external operation, and the rocking arm 3 is unlocked. Next, the swing arm 3 swings upward by an external operation, and the temporary fixing of the connector 50 is released. Since the second fastening member 52 is detachably gripped by the grip main body 2 of the connector 50, the grip main body 2 can be easily detached from the connector 50 by operating the common operation rod 100. Become. Then, the connection work of the high-voltage underline 111 to the high-voltage line 110 is completed by moving the high-voltage underline connection connector gripper 1 attached to the common operation rod 100 in a direction away from the high-voltage line 110.

  Thus, since the connector 50 can be temporarily fixed to the high voltage line 110 via the swing arm 3, the first fastening portion 50a of the connector 50 can be easily aligned with the high voltage line 110. it can. As a result, it is possible to smoothly connect the high-voltage line 110 and the high-voltage underline 111 by the connector 50, and the connection work time of the high-voltage underline 111 can be shortened as compared with the conventional indirect hot-line operation. Moreover, since the 1st fastening part 50a of the connector 50 can be correctly positioned with respect to the high voltage | pressure wire 110, the dispersion | variation in an operation | work can be eliminated and it becomes possible to perform the indirect hot wire operation stable in quality. Furthermore, since the high-voltage underline guide 22a is formed in the gripping main body 2, the conductor exposed portion 111b of the high-voltage underline 111 can be easily guided to the second fastening portion 50b of the connector 50, and the high-voltage line 110 by the connector 50 can be guided. And the high-voltage underline 111 can be further improved in the efficiency of connection work.

  Since the lock body 4 is movably provided on the grip body 2 so as to lock the movement of the swing arm 3 in the swing direction, unnecessary swing of the swing arm 3 can be restricted. It is possible to prevent the connector 50 from falling off the grip main body 2 due to unnecessary swinging. In addition, since the common operating rod 100 as an insulating operating rod for indirect hot-wire work can be connected to the gripping main body 2, the high-voltage line 110 and the high-voltage cable can be connected with the connector 50 by an operation from a position away from the high-voltage line 100. Connection work with the underline 111 can be performed.

  As described above, the embodiment of the present invention has been described in detail. However, the specific configuration is not limited to the above-described embodiment, and even if there is a design change or the like without departing from the gist of the present invention. Are included in the present invention. For example, in this embodiment, the high-voltage underline guide 22a is formed in the grip body 2 and the conductor exposed portion 111b of the high-voltage underline 111 is easily guided to the second fastening portion 50b of the connector 50. However, in the case of indirect hot-line work by one worker, no signal or the like is required for the work, and alignment of the high-voltage underline 111 with respect to the connector 50 is easier than in the case of two-person work. Even if the underline guide 22b is not provided, it is possible to connect the high-voltage line 110 and the high-voltage underline 111 using the connector 50. In this embodiment, the guide surface 32 a of the swing arm 3 is brought into contact with the outer peripheral surfaces of both ends in the axial direction of the conductor exposed portion 110 b of the high voltage line 110, and the connector 50 is temporarily fixed to the high voltage line 110. In this configuration, the guide surface 32a of the swing arm 3 is brought into contact with the outer peripheral surface of the insulating sheath 110a located on both sides of the conductor exposed portion 110b of the high-voltage line 110, and the connector 50 is temporarily fixed to the high-voltage line 110. It is good.

DESCRIPTION OF SYMBOLS 1 Connector gripper for high voltage underline connection 2 Grasping body part 21c 1st connector gripping part (connector gripping part)
22a Second connector gripping part (connector gripping part)
22b High Voltage Underline Guide 3 Swing Arm 32 High Voltage Line Guide 4 Lock Pin 50 Connector 50a First Fastening Portion 50b Second Fastening Portion 51 First Fastening Member 52 Second Fastening Member 54 Fastening Screw 100 Shared Operating Rod (Insulation operation bar)
110 High-voltage wire 110a Insulating sheath 110b Conductor exposed portion 111 High-voltage underline 111a Insulating sheath 111b Conductor exposed portion

Claims (3)

A high-voltage underline used for indirect hot wire operation to hold a connector formed with an interval between a first fastening part into which a high-voltage line can enter and a second fastening part into which a high-voltage underline can enter A connector gripping tool for connection,
A gripping main body having a connector gripping part for detachably gripping one of the two fastening members facing each other in the connector;
A swing arm provided so as to be swingable with respect to the grip main body;
With
The swing arm is in contact with the vicinity of both ends of the conductor exposed portion of the high voltage line by swinging from the outside with the conductor exposed portion of the high voltage line interposed between the two fastening members of the connector. and evaporated to temporarily fix the connector to the high voltage line such that the first fastening portion located between the two fastening members of the connector are matched with the vertical direction as the conductor exposed portion of the high voltage lines ,
The holding main body portion has a high voltage underline for guiding a conductor exposed portion of the high voltage underline to the second fastening portion positioned between the two fastening members of the connector temporarily fixed to the high voltage wire. A guide is formed,
A connector gripping tool for connecting a high-voltage underline. Wherein the grip main body, the high pressure cuts wire connector gripping tool according to claim 1, characterized in that the locking pin for locking the swinging movement of the swing arm is movable. The pulling-line connector gripping tool for high-voltage lines according to claim 1 or 2 , wherein an insulating operating rod for indirect hot-wire work can be connected to the gripping main body.

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