JP6459677B2 - Underline gripper - Google Patents

Description

  The present invention relates to an underline gripping tool for gripping an underline branched and connected from an overhead line together with the overhead line.

  The underline gripping tool is used, for example, for temporarily fixing the cut high voltage underline to the overhead line in the operation of cutting the high pressure underline.

  FIG. 6 is a schematic diagram showing an example of an operation for cutting such a high-voltage underline. FIG. 6A shows a case where the high-voltage underline is cut, and when the cut high-pressure underline is temporarily fixed to an overhead line. FIG. As shown in FIG. 6A, in a state where the high voltage underline 2 is branched from the overhead wire 3 and is locked by the locking tools 31a and 31b, the high voltage underline 2 is cut and temporarily fixed to the overhead wire 3. In this case, it is performed by two workers A and B. The worker A grips the high-voltage underline 2 using the insulating Yattco 21. The worker B uses the underline cutter 22 to cut the high-voltage underline 2.

  As shown in FIG. 6 (b), the worker A moves the high-voltage underline 2 gripped using the insulating Yattco 21 along the overhead line 3. The worker B temporarily fixes the high-voltage underline 2 to the overhead wire 3 with the seat clip 24 attached to the high-pressure underline 2 side tip of the insulating unit 23 using the insulating unit 23.

  The seat clip 24 is troublesome for the operator because the high-voltage underline 2 is easy to come off. For this reason, the clip for indirect stopcock wire construction which provided the some projection part which can clamp an underline on the outer surface of a seat clip is known (for example, refer to patent documents 1). This indirect stopcock work clip is formed of a flexible member such as a resin member, and can easily hold the underline.

JP, 2014-121162, A

  However, like the worker B in the case of FIG. 6B, it is necessary to continue the work by changing the underline cutter to the insulated Yatco, and there is a possibility that the cut down underline may not be monitored.

  SUMMARY OF THE INVENTION Accordingly, an object of the present invention is to provide a draw-line gripping tool that enables an operator holding the draw line to hold the draw line as it is after the draw line is cut.

  In order to solve the above-mentioned problem, the invention of claim 1 is a drawing wire gripping tool for holding a drawing wire that is formed of an elastic body and is branched and connected from an overhead wire to the overhead wire, and inserting the drawing wire A first holding portion for holding the underline, and two extension portions extending to the underline insertion port, and sandwiching the two extension portions A second gripping part for gripping the overhead wire, wherein the first gripping part grips the pulling line by inserting the pulling line from the pulling line insertion port and pressing the periphery thereof, In the second gripping portion, the two extending portions intersect with each other when the first gripping portion is pressed, and the overhead wire is inserted between the two extending portions intersecting each other, so that the pressing of the first gripping portion is released. Then, the overhead wire is sandwiched between the two extending portions by the elastic force of the elastic body. While being gripped by the serial second grip portion, the pull-down line is gripped in the first gripping portion, and wherein the.

  According to the present invention, the underline is inserted into the first gripping part and the periphery of the first gripping part is pressed to grip the pulling line, and the two extending parts intersect by the pressing of the first gripping part. When the overhead wire is inserted between them and the pressing of the first gripping portion is released, the overhead wire is sandwiched between the two extending portions and gripped by the second gripping portion, and the underline is gripped by the first gripping portion. The

  According to a second aspect of the present invention, in the underline gripping tool according to the first aspect, the first gripping portion includes an extraction preventing member that prevents the underline from falling out of the first gripping portion. Features.

  According to a third aspect of the present invention, the underline gripping tool according to any one of the first or second aspect further protrudes around the first gripping portion and presses the first gripping portion. A grip portion is provided, and when the grip portion is pressed, the first grip portion is pressed by the pressing.

  According to the first aspect of the present invention, when the periphery of the first gripping portion is pressed, the underline is gripped, and the two extending portions are crossed and an overhead wire is inserted therebetween, and the pressing of the first gripping portion is performed. When released, the overhead wire is sandwiched between the two extending portions and gripped by the second gripping portion, and the underline is gripped by the first gripping portion. Therefore, the underline is moved to a position where the overhead line can be inserted in a state where the underline is gripped by the first gripping part, and when the overhead line is inserted and the pressing of the first gripping part is released, the underline is temporarily fixed to the overhead line. This makes it possible for anyone to use it regardless of the level of proficiency of the worker, to improve the efficiency and speed of the work, and to reduce the worker's fatigue. In addition, since an operator who cuts the underline can concentrate on monitoring the underline after cutting, an accident can be prevented.

  According to the second aspect of the present invention, since the pull-out preventing member is provided, it is possible to prevent the underline from coming off when the first gripping portion is being pressed.

  According to the invention of claim 3, by providing the two grip portions for pressing the first gripping portion, the first gripping portion can be easily and stably pressed.

It is the top view (a) which shows the underline gripping tool concerning Embodiment 1 of this invention, a perspective view (b), and the top view (c) which shows the state which pressed the 1st holding part. It is a top view which shows the state by which the high voltage | pressure underline was grasped by the underline grasping tool of FIG. It is a top view which shows the state by which the 1st holding part was further pressed from the state of FIG. 2, and the overhead wire was inserted. It is a top view which shows the state by which the press of the 1st holding part was cancelled | released from the state of FIG. 3, and the overhead wire was hold | gripped. It is the top view (a) which shows the underline gripping tool which concerns on Embodiment 2 of this invention, and the top view (b) which shows the state which pressed the 1st holding part. It is the schematic diagram (a) which shows the example of the operation | work which cut | disconnects a high voltage underline, and the schematic diagram (b) which shows the example of the operation | work which temporarily fixes the cut high voltage underline to an overhead wire.

  The present invention will be described below based on the illustrated embodiments.

(Embodiment 1)
1 to 4 show a first embodiment of the present invention, and FIG. 1 is a plan view (a), a perspective view (b), and a first view showing a drawn line gripping tool according to the first embodiment. It is a top view (c) which shows the state which pressed the holding part. The underline gripping tool 1 is a gripping tool for gripping the high-voltage underline 2 shown as an example in FIGS. 6 (a) and 6 (b) and for gripping the overhead wire 3, and is used by using an insulating jacket or the like. The The underline gripping tool 1 includes a first gripping part 11, an extraction preventing member 12, a second gripping part 13, and a locking part 14.

  The first holding part 11 is for holding the high-voltage underline 2 when the high-voltage underline 2 is inserted and the periphery is pressed, and has a substantially circular cross section (C-shaped) formed by an elastic body such as plastic. The underline insertion port 11a for inserting the underline is formed upward. The pull-out prevention member 12 is for preventing the high-voltage underline 2 from falling out of the first gripping portion 11, and the first gripping portion 11 is held inside the first gripping portion 11 by a flexible member such as rubber. A clamping part 12 a is provided so as to cover the inner wall of the part 11 and is in contact with the high-voltage underline 2 for clamping.

  The second gripping portion 13 is composed of second gripping portions 13-1 and 13-2 that are extended from both ends of the first gripping portion 11 by an elastic body such as plastic, and grips and holds the overhead wire 3. Is for. The second gripping portion 13-1 is a portion extending to the right with respect to the direction in which the high-voltage underline 2 is inserted, and the second gripping portion 13-2 is in the direction in which the high-pressure underline 2 is inserted. On the other hand, it is a portion extending to the left side. The closing portion 14 is extended by being bent by an elastic body such as plastic from the other end of the second holding portion 13-1, 13-2 extending from the first holding portion 11. 14-2 for closing the opening of the overhead wire 3 inserted in the second gripping portion 13 described later.

  As shown in FIG. 1B, the second gripping portion 13-1 is composed of an extending portion 13a that extends narrowly in the extending direction from the first gripping portion 11, and the second gripping portion 13-2. Is composed of extending portions 13b and 13c that are separated into two forks. As will be described later, the extension portions 13a, 13b, and 13c are inserted between the extension portion 13b and the extension portion 13c when the overhead wire 3 is sandwiched between the extension portion 13a and the extension portion 13a. In order to hold the overhead wire 3 stably by holding the overhead wire 3 between the extension portion 13a and the extension portion 13c, the overhead wire 3 is stably held between the extension portion 13a and the extension portion 13c. Yes. The closing part 14-1 is constituted by a closing member 14a further extended from the extending part 13a, and the closing part 14-2 is constituted by closing members 14b, 14c extended from the extending parts 13b, 13c. ing.

  When the first gripping part 11 is not pressed, the underline gripping tool 1 is opened as shown in FIGS. 1 (a) and 1 (b), with the underline insertion port 11a and the holding part 12a being opened. The part 13-1 and the second gripping part 13-2 are in a separated state. When the periphery of the first gripping portion 11 is pressed, as shown in FIG. 1C, the first gripping portion 11 becomes an ellipse having a substantially vertically long cross section, and the underline insertion port 11a and the clamping portion 12a are closed. The 2 grip part 13-1 and the 2nd grip part 13-2 will be in the state which cross | intersected, and the overhead wire insertion port 14d into which the overhead wire 3 is inserted between the closed part 14-1 and the closed part 14-2 is provided. It is formed above.

  A usage example of the underline gripping tool 1 will be described with reference to FIGS. 2 to 4.

  The underline gripping tool 1 shown in FIG. 2 is in a state where it is not pressed, as in FIG. In this state, when the high-voltage underline 2 is inserted into the holding portion 12a from the underline insertion port 11a and the first gripping portion 11 is lightly pressed, the underline insertion port 11a and the holding portion 12a are closed, and the high-pressure underline 2 is held in close contact with the clamping portion 12a. When the first gripping part 11 is further pressed, the second gripping part 13-1 and the second gripping part 13-2 are crossed to be in a state as shown in FIG.

  The underline gripping tool 1 shown in FIG. 3 has an overhead wire insertion opening 14d formed between the closing part 14-1 and the closing part 14-2. The overhead wire 3 is inserted into the overhead wire insertion port 14d. When the pressing of the first gripping part 11 is released in this state, the overhead wire insertion port 14d between the closing part 14-1 and the closing part 14-2 is closed, and the second gripping part 13-1 and the second gripping part are closed. The overhead wire 3 is sandwiched between the portion 13-2 and the state shown in FIG. 4 is obtained.

  In the underline gripping tool 1 shown in FIG. 4, the high-voltage underline 2 is held in close contact with the holding part 12a, and the overhead wire 3 is provided between the second holding part 13-1 and the second holding part 13-2. It is pinched and gripped. Thereby, the high voltage underline 2 is temporarily fixed to the overhead wire 3 via the underline gripping tool 1.

  Thus, according to the underline gripping tool 1, when the first gripping part 11 is pressed, the high-pressure underline 2 is brought into close contact with the holding part 12a and gripped. Here, when the 1st holding | grip part 11 is further pressed, since the overhead wire insertion port 14d is formed between the closing part 14-1 and the closing part 14-2, the overhead wire 3 is inserted here. When the pressing of the first gripping part 11 is released in this state, the overhead wire 3 is sandwiched and gripped between the second gripping part 13-1 and the second gripping part 13-2. Therefore, the operator moves the pulling wire gripping tool 1 while pressing the first gripping part 11 and grips the high pressure pulling wire 2 to insert the overhead wire 3 into the overhead wire insertion port 14d. It can be gripped. This makes it possible for anyone to use regardless of the level of proficiency of the operator holding the high-voltage underline 2 and to increase the efficiency and speed of the operation and reduce the operator's fatigue. Further, since the work after cutting the high-voltage underline 2 can be performed by one operator, the worker who cut the high-voltage underline 2 is dedicated to monitoring the high-voltage underline 2 after cutting. Accidents can be prevented. Further, the pull-out preventing member 12 can prevent the high-voltage underline 2 from falling out of the first grip portion 11.

(Embodiment 2)
FIG. 5 is a plan view (a) showing the underline gripping tool according to the second embodiment and a plan view (b) showing a state in which the first gripping part is pressed. The underline gripping tool 1A is an embodiment in that in addition to the underline gripping tool 1 shown in FIGS. 1A to 1C, a fulcrum part 15 and grip parts 16a and 16b are provided. 1 is different from the underline gripping tool 1 according to FIG. Other configurations are the same as those of the underline gripping tool 1.

  The fulcrum portion 15 connects the first gripping portion 11 and the grip portions 16a and 16b, and presses the first gripping portion 11 to the left and right when the grip portions 16a and 16b are pressed toward each other. belongs to. The grip portions 16 a and 16 b are used when the first grip portion 11 is pressed by being gripped by the indirect live tool Yatco, and protruded from the fulcrum portion 15 around the first grip portion 11. Yes.

  Thus, according to the underline gripping tool 1A, by providing the grip portions 16a and 16b, the first gripping portion 11 can be easily and stably pressed in the indirect hot wire method.

  Although the embodiment of the present invention has been described above, the specific configuration is not limited to the above embodiment, and even if there is a design change or the like without departing from the gist of the present invention, Included in the invention. For example, the grip portions 16a and 16b in the second embodiment are provided such that the first gripping portion 11 is pressed when pressed in the direction of approaching each other, but the first gripping portion 11 is pressed when pressed in the direction of separating from each other. May be provided.

  In addition, the second gripping portion 13 includes three extending portions 13a, 13b, and 13c, and the extending portion 13a is inserted between the extending portion 13b and the extending portion 13c to sandwich the overhead wire 3. However, you may make it the structure which provides four or more extended parts.

DESCRIPTION OF SYMBOLS 1 Pulling line gripping tool 2 High voltage pulling line 3 Overhead wire 11 1st holding part 12 Extraction prevention member 13, 13-1, 13-2 2nd holding part 13a, 13b, 13c Extension part 14, 14-1, 14- 2 Closure part 14a, 14b, 14c Closure member 15 Support point part 16a, 16b Grip part

Claims (3)

An underline gripping tool for holding an underline formed by an elastic body and branched and connected from the overhead line to the overhead line,
A first grip portion having a pull line insertion port for inserting the pull line, and gripping the pull line;
A second holding portion that has two extending portions extended to the underline insertion port, and holds the overhead wire by sandwiching the two extending portions;
The first gripping part grips the underline by inserting the underline from the underline insertion port and pressing the periphery.
In the second gripping portion, the two extending portions intersect by the pressing of the first gripping portion, and the overhead wire is inserted between the two extending portions intersected,
When the pressing of the first gripping part is released, the overhead wire is sandwiched between the two extending parts and gripped by the second gripping part by the elastic force of the elastic body, and the underline is Gripped by the first gripping portion,
The underline gripping tool characterized by the above. The first gripping portion includes an extraction preventing member that prevents the underline from falling off the first gripping portion.
The underline gripping tool according to claim 1. The underline gripping tool further includes:
Provided with a grip portion that protrudes around the first gripping portion and presses the first gripping portion;
When the grip portion is pressed, the first grip portion is pressed by the pressing.
The underline gripping tool according to any one of claims 1 and 2.

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