JP5833058B2 - Indirect hot wire tip tool for compression connection with sleeve clamping function - Google Patents

Description

  The present invention relates to an indirect hot wire tip tool for compression connection with a sleeve holding function capable of holding and compressing a high-pressure pull-down line when the high-pressure pull-down line is compression-connected by a sleeve.

  In an indirect hot line work for maintenance work of power distribution equipment, etc., when the power cut work is performed by cutting at the edge of the high voltage pull-down line, the high-voltage pull-down line is compressed and connected with a sleeve after the work is completed. Specifically, as shown in FIG. 7, the first operator holds the load-side high-voltage pull-down line (load-side electric wire) E <b> 1 with the sleeve S attached to the distal end on the high-altitude work vehicle by the YATCO 100. To do. Further, the first worker holds the power supply side high-voltage pull-down line (power supply side electric wire) E2 with the other Yatco 110 and holds it in a state of being inserted into the sleeve S attached to the load side electric wire E1. Then, the second operator needs to operate the compression tool 200 to compress and connect the sleeve S, the load side electric wire E1, and the power source side electric wire E2.

  For this reason, it is necessary for the first worker to hold the two Yatcos 100 and 110 and hold the load side electric wire E1, the power source side electric wire E2, and the sleeve S at predetermined positions. The burden on the workers was heavy. In addition, when the time required for the compression work by the second worker, the burden on the first worker is further increased.

  Furthermore, since the lengths of the load side electric wire E1 and the power source side electric wire E2 inserted into the sleeve S are about 20 mm, respectively, the operation of holding the load side electric wire E1, the power source side electric wire E2, and the sleeve S in a predetermined position. It requires skill. For this reason, when the second operator lifts the compression tool 200 to the compression position of the sleeve S, the position may be shifted due to contact with the yatcos 100 and 110.

  As an example of the prior art relating to such a sleeve compression device, the connection sleeve is compressed by an indirect hot wire construction method in which the connection sleeve is compressed between the elevating part and the sleeve upper receiving part by the ascending operation of the elevating part. Indirectly having a small protrusion projecting in a direction substantially the same as the closing operation direction of the movable piece on the device or the movable piece of the clamping portion on the movable piece of the clamping portion on the portion where the clamping / compression operation of the connecting sleeve is performed A temporary compression tool for a hot wire method is known (see Patent Document 2). In addition, a sleeve compression device and a connection adapter are known that can grip an electric wire and compress a connection sleeve with a single tool even at a remote position (see Patent Document 3). This technology includes an attachment portion that is attached to a gripping portion of a Yatco, and a star seat portion that is connected and connected to a connecting member of a compression pliers that compressively connects a connection sleeve that is externally attached to the core of the electric wire. The connecting sleeve is coupled so that the compression position of the connection sleeve is in a desired relative position and relative posture.

JP2012-157149A JP 2013-009546 A JP 2008-125291 A

  However, the techniques described in Patent Documents 1 and 2 require two persons: a first worker who supports the load-side and power-side electric wires with a Yatco, and a second worker who operates the compression tool. The technique described in Patent Document 3 requires two Yatsuko and an insulating operation rod. For this reason, in any of the patent documents, in order to hold the electric wires on the load side and the power supply side, two yatcos are required, and the work requires skill.

  Accordingly, an object of the present invention is to provide an indirect hot wire tip tool for compression connection with a sleeve holding function capable of holding and compressing a sleeve when the high pressure pull-down line is compression-connected by the sleeve.

In order to achieve the above-mentioned object, the invention according to claim 1 is characterized in that the cylindrical sleeve for connecting the load-side electric wire and the power-side electric wire is nipped and compressed to connect to the sleeve. a first holding member having a holding surface portion of 1, the one end and the opposing provided in the first holding surface, swingably connected to the first holding member, before a second holding surface portion in contact with serial sleeve those, a second holding member to compress connect sandwiching said sleeve together with said first holding member, said first holding surface the other end opposed to provided, the first holding member swingably connected to, and held by holding the sleeve, first has a third holding surface portion in contact with said sleeve 3 and holding member, to allow opening and closing the third holding member relative to the first holding member, wherein the biasing force of the spring the The first holding surface portion and the third holding surface portion are brought into close contact with each other while the holding member is closed, and when the two holding portions are closed, the first holding surface portion and the first holding surface portion are closed. And a clip for opening the three clamping surfaces, wherein the first clamping member and the second clamping member can be opened and closed by hydraulic pressure, and the first clamping surface compression connection by sandwiching the sleeve held by said third holding surface portion, a sleeve holding function compression connections for indirect hot tip tool, wherein the this.

  According to this invention, the sleeve is sandwiched and held by the third sandwiching member and the first sandwiching member, and the sleeve is sandwiched by the second sandwiching member and the first sandwiching member. Compressed.

According to the invention described in claim 1, it is possible to perform the compression and holding of sleeves in one tool, it is not necessary to first operator to use the two forceps. Specifically, the first worker holds the sleeve compressed and connected to the load-side electric wire with the indirect live wire tip tool for compression connection with a sleeve holding function, and the second worker What is necessary is just to insert in a sleeve, hold | maintaining the electric wire of Yatco. For this reason, each operator can grip the indirect hot wire tip tool for compression connection with a sleeve holding function and the yacht with both hands, so that the stability is increased and the operation is facilitated.

Also, when the power supply side electric wire is inserted into the sleeve, it is directly compressed and connected with the indirect hot wire tip tool for compression connection with the sleeve holding function that holds the sleeve without changing the tool or changing the position. Therefore, there is no possibility of shifting the compression position. This makes it possible to reduce the time and effort of work, anyone Ru makes it easy to work accurately. Furthermore, since it is capable of holding the state of holding by pinching the sleeves, when lifting the sleeve by the sleeve holding function compression connections for indirect hot tip tool and the power supply side of the electric wire when inserted into the sleeve Since it is not necessary to apply a force to pinch the sleeve, it can be operated more easily.

It is a front view of the indirect hot wire tip tool for compression connection with a sleeve pinching function concerning an embodiment of the invention. FIG. 2 is a perspective view of a principal part showing a state in which a load side electric wire is inserted into a sleeve and held in the sleeve in the compression connection indirect hot wire tip tool with a sleeve holding function of FIG. 1. 1 shows a state in which the load side electric wire and the sleeve are compressed and connected, and the indirect hot wire tip tool for compression connection with the sleeve holding function is moved to the power source side in the compression connecting indirect hot wire tip tool with the holding function of the sleeve shown in FIG. It is a principal part perspective view. In the indirect live wire tip tool for compression connection with the sleeve holding function shown in FIG. 1, the load side electric wire and the sleeve are compressed and connected, and the indirect live wire tip tool for compression connection with the sleeve holding function is moved to the power source side. It is a principal part perspective view shown. FIG. 2 is a perspective view of a principal part showing a state where a power supply side electric wire is inserted into a sleeve in the indirect hot wire tip tool for compression connection with a sleeve holding function of FIG. 1. FIG. 2 is a perspective view of a main part showing a state in which a power source side electric wire and a sleeve are compressed and connected in the indirect live wire tip tool for compression connection with a sleeve holding function of FIG. 1. It is a principal part perspective part which shows the state which compresses and connects a load side electric wire and a power source side electric wire with the conventional compression tool.

  Next, embodiments of the present invention will be described in detail with reference to the drawings.

  1 to 6 show an embodiment of the present invention. The indirect hot wire tip tool 1 for compression connection with a sleeve clamping function is used for holding and compressing and connecting a cylindrical sleeve S for connecting the load side electric wire E1 and the power source side electric wire E2. It is what As shown in FIGS. 1 and 2, the compression connection indirect hot wire tip tool 1 with a sleeve clamping function is mainly used as a first clamping member of the compression connection part and a fourth clamping member of the sleeve holding part. The first holding member 2, the second holding member 3 as the second holding member of the compression connecting portion, and the third holding member 4 as the third holding member of the sleeve holding portion. And the clip 5, the support portion 6, the Kikuza 7, and the insulating cover 8.

  The compression connection portion includes a first sandwiching surface portion 21 that is compressed and connected by sandwiching a cylindrical sleeve S for connecting the load-side electric wire E1 and the power-side electric wire E2 and is in contact with the sleeve S. And a second holding surface portion 31 that contacts the sleeve S that is swingably connected to the first holding member 2 so as to face the first holding surface portion 21. The first holding member 2 and the second holding member 3 that compresses and connects the sleeve S are provided.

  The sleeve holding portion is disposed adjacent to the compression connecting portion, holds the sleeve S, holds the third holding member 41 having the third holding surface 41 that contacts the sleeve S, and the third holding member 4 The third holding surface 41 has a fourth holding surface that abuts against the sleeve S that is swingably connected to the third holding member 4, and the sleeve S together with the third holding member 4. And a fourth holding member for compression connection.

  Here, in this embodiment, the first sandwiching surface portion 21 of the first sandwiching member 2 and the second sandwiching surface portion 31 of the second sandwiching member 3 described later and the third sandwiching portion The third holding surface portion 41 of the member 4 has a combined size, and the portion of the first holding member 2 that faces the second holding surface portion 31 is the first narrowing of the compression connecting portion. As a holding member, the part facing the 3rd clamping surface part 41 of the 3rd clamping member 4 demonstrates as what acts as a 4th clamping member of a sleeve holding part.

  The first holding member 2 is made of a material having electrical insulation, and as shown in FIG. 1, the distal end of the first holding member 2 is a free end and swings in the direction of the arrow. It is movable and can be opened and closed together with the second holding member 3 by a hydraulic pump (not shown) connected via a support portion 6 described later. As shown in FIG. 2, the first holding member 2 has a first holding surface portion 21 that contacts the sleeve S and faces the second holding member 3 and the third holding member 4. ing.

  The first holding surface portion 21 is formed with sleeve holding grooves 21a and 22a substantially horizontally. The sleeve holding grooves 21a and 22a form grooves with the sleeve holding grooves 31a and 32a in a state where the second holding member 3 is closed, and the sleeve holding grooves 41a and 42a in a state where the third holding member 4 is closed. The shape, size, and position are set so as to form a groove. The sleeve holding groove 21a is formed smaller than the sleeve holding groove 22a, and the sleeve holding grooves 21a and 22a to be held can be changed depending on the diameter of the sleeve S.

  The second holding member 3 is formed of the same electrical insulating material as that of the first holding member 2, and as shown in FIG. 2, the first holding member 2 has the first holding member 2. The first holding member 2 is provided so as to face one end side of the holding surface portion 21 so as to be swingable, and the sleeve S is held together with the first holding member 2 for compression connection. As shown in FIG. 1, the distal end portion of the second holding member 3 is a free end, can swing in the direction of the arrow, and is connected to a hydraulic pump (not shown) that will be described later. ) Can be opened and closed together with the first holding member 2. As shown in FIG. 2, the second holding member 3 has a second holding surface portion 31 that is in contact with the sleeve S and faces the first holding member 2. Sleeve holding grooves 31 a and 32 a are formed in the surface portion 31 substantially horizontally. The sleeve holding groove 31a is shaped, sized and positioned so as to face the sleeve holding groove 21a of the first holding member 2, and the sleeve holding groove 32a is shaped to face the sleeve holding groove 22a. Size and position are set.

  In a state where the first holding member 2 and the second holding member 3 are closed by hydraulic pressure, as shown in FIG. 6, the first holding surface portion 21 and the second holding surface portion 31 approach each other. The sleeve S is held between the sleeve holding grooves 21a and 31a or the sleeve holding grooves 22a and 32a so as to be compression-connected.

  The third holding member 4 is made of an electrically insulating material, and faces the other end of the first holding surface portion 21 of the first holding member 2 as shown in FIG. And is swingably connected to the first holding member 2 and holds the sleeve S together with the first holding member 2. As shown in FIG. 1, the distal end portion of the third holding member 4 is a free end and can swing in the direction of the arrow, and can be opened and closed with respect to the first holding member 2 by a clip 5 described later. It is possible. As shown in FIG. 2, the third holding member 4 has a holding surface portion 41 that contacts the sleeve S and faces the other end of the first holding surface portion 21 of the first holding member 2. In addition, sleeve holding grooves 41 a and 42 a are formed in the third holding surface portion 41 substantially horizontally. The sleeve holding groove 41a is shaped, sized and positioned so as to face the sleeve holding groove 21a of the first holding member 2, and the sleeve holding groove 42a is shaped to face the sleeve holding groove 22a. Size and position are set. Here, the third holding member 4 is set so as not to compress or deform the sleeve S when holding the sleeve S together with the first holding member 2.

  The clip 5 opens and closes the third holding member 4, and as shown in FIGS. 1 to 3, the first clip member 51 and the second clip member 52 are mainly connected to the connecting shaft 53. It is arranged so as to be swingable through. As shown in FIG. 3, the clip 5 has a biasing means (not shown) that biases the distal end portion of the first clip member 51 and the distal end portion of the second second clip member 52 toward each other. ) Is provided. That is, the clamping surface of the first clip member 51 and the clamping surface of the second clip member 52 are brought into close contact with each other by the biasing force of a spring (not shown). Specifically, as shown in FIGS. 1 and 3, the clip 5 is shown in FIG. 2 from a state in which the grip portions 51a and 52a are closed and the first clip member 51 and the second clip member 52 are opened. As shown, when the first clip member 51 and the second clip member 52 are closed, the third holding member 4 is closed.

  The support portion 6 can be connected to a hydraulic pump (not shown), and the first holding member 2 and the second holding member 3 can be opened and closed by the hydraulic pressure from the hydraulic pump.

  The Kikuza 7 can be connected to an operating rod (not shown) held by an operator, and the connected operating rod allows the indirect hot wire tip tool 1 for compression connection with a sleeve holding function to be connected to the load-side electric wire E1. It can be lifted up.

  The insulating cover 8 is formed of an electrically insulating material, and mainly covers the outer periphery on the support portion 6 side of the indirect live wire tip tool 1 for compression connection with a sleeve holding function as shown in FIG. It has become.

  Next, the procedure and operation of the wire compression connection work by the compression connection indirect live wire tip tool 1 with the sleeve holding function will be described. Here, a case will be described in which a sleeve S is used for compression connection and recovery after a power failure operation cut at the edge portion of the high-voltage pull-down line for maintenance work of the power distribution facility.

  First, the load-side electric wire E1 is gripped by the first worker 100 on the aerial work vehicle. Further, the sleeve S is gripped by the second operator on the high-altitude work vehicle by the indirect hot wire tip tool 1 for compression connection with a sleeve clamping function. Specifically, the gripping portions 51 a and 52 a of the clip 5 are closed by the second operator, and the first holding member 2 and the third holding member 4 are opened, and the sleeve S Is positioned between the sleeve holding grooves 21a and 41a. When the closed state of the grips 51a and 52a is released, the third clip member 51 is closed by closing the first clip member 51 and the second clip member 52, and the sleeve S becomes the sleeve. The holding grooves 21a and 41a hold and hold them.

  Then, as shown in FIG. 2, the sleeve S held by the first holding member 2 and the third holding member 4 by the second operator is connected to the load-side electric wire by the operation rod (not shown). Lifted to E1.

  Then, as shown in FIG. 3, the load-side electric wire E1 is inserted by the second operator to the approximate center in the axial direction of the sleeve S by the indirect hot wire tip for compression connection with a sleeve clamping function 1 and the hydraulic pressure is increased. As a result, the load-side electric wire E1 and the sleeve S are held between the first holding member 2 and the second holding member 3 and are compression-connected.

  Then, in a state where the load-side electric wire E1 is gripped by the first operator 100 by the first operator, the first holding member 2 and the second holding member 3 are opened by the second operator, and the (Omitted) closes the grips 51a and 52a of the clip 5 so that the first holding member 2 and the third holding member 4 are opened.

  Then, as shown in FIG. 4, the second operator places the other end side (power supply side) of the sleeve S in a state in which the indirect hot wire tip tool 1 for compression connection with a sleeve holding function is turned 180 °. Moved.

  Then, the second operator separates the hook from the gripping portions 51a and 52a, closes the clip 5, and holds the other end of the sleeve S in a sandwiched manner.

  Then, as shown in FIG. 5, the power supply side electric wire E <b> 2 is inserted by the first operator to the approximate center in the axial direction of the sleeve S by the first worker 100.

  Then, as shown in FIG. 6, the power supply side electric wire E <b> 2 and the sleeve S are held by the second operator by the first holding member 2 and the second holding member 3 by the hydraulic pressure, and compressed and connected. Is done.

  In this way, when the load side electric wire E1 and the power source side electric wire E2 are compression-connected by the sleeve S by using the indirect live wire tip tool 1 for compression connection with the sleeve holding function, the compression connection with the sleeve holding function is used. The sleeve S can be held and compressed by the indirect hot wire tip tool 1. That is, since the two hooks that respectively hold the load-side electric wire E1 and the power-source-side electric wire E2 are not necessary, anyone can easily perform the compression connection work without requiring skill.

  As described above, according to the indirect hot wire tip tool 1 for compression connection with a sleeve clamping function, the sleeve S can be held and compressed with a single tool as shown in FIG. As shown in FIG. 7, it is not necessary for the first worker to use two Yatcos. Specifically, in a state where the first operator holds the load-side electric wire E1 compression-connected to the sleeve S with the indirect live wire tip tool 1 for compression connection with a sleeve holding function connected to the operation rod, The second worker may insert the sleeve S while holding the power supply side electric wire E2 with the YATCO 100. For this reason, each operator can grip the indirect live wire tip tool 1 for compression connection with a sleeve holding function connected to the operation rod with both hands and the YATCO 100, so that the stability is increased and the operation is easy. Become.

  In addition, when the power supply side electric wire E2 is inserted into the sleeve S, the indirect hot wire tip tool 1 for compression connection with a sleeve holding function that holds the sleeve S is used without changing the tool or changing the position. Since the compression connection is possible, there is no possibility that the compression position is shifted. As a result, the labor and time of the work can be reduced, and anyone can easily and accurately perform the compression connection work.

  Further, since the third holding member 4 can hold the state in which the sleeve S is held together with the first holding member 2, the indirect hot wire tip tool 1 for compression connection with the sleeve holding function is provided. Therefore, when lifting the load side electric wire E1 or inserting the power source side electric wire E2 into the sleeve S, it is not necessary to apply a force to pinch the sleeve S, so that the operation can be performed more easily.

  The embodiment of the present invention has been described in detail above, but 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, It is included in this invention. For example, in this embodiment, the clip 5 has been described as opening and closing the third holding member 4, but other configurations may be used. The third holding member 4 may be configured to open and close with a simple screw.

  Further, the sleeve holding portion is configured separately from the compression connection portion, the compression connection portion is configured as a compression connection portion of the conventional compression tool shown in FIG. 7, and the sleeve holding portion is an independent third holding member. You may comprise from a 4th clamping member.

DESCRIPTION OF SYMBOLS 1 Indirect hot wire tip tool for compression connection with a sleeve clamping function 2 1st clamping member (1st clamping member of a compression connection part, 4th clamping member of a sleeve holding part)
21 Nipping surface portion 21a Sleeve holding groove 3 Second holding member (second holding member of compression connecting portion)
31 Nipping surface portion 31a Sleeve holding groove 4 Third holding member (third holding member of sleeve holding portion)
5 Clip 51 First Clip Member 52 Second Clip Member 6 Shaft 7 Kikuza 8 Insulating Cover S Sleeve E1 Load Side Electric Wire E2 Power Side Electric Wire

Claims (1)

To compress by sandwich the tubular sleeve for connecting connects the load side wire and the power supply electric wire, a first holding member having a sleeve and a first holding surface portion that abuts,
Wherein one end side opposed to provided in the first holding surface, said first is swingably connected to the holding member, before SL has a second holding surface portion contacting the sleeve and those, A second pinching member for pinching and connecting the sleeve together with the first pinching member ;
A third gripping member provided opposite to the other end of the first gripping surface portion and connected to the first gripping member in a swingable manner so as to sandwich and hold the sleeve and to contact the sleeve; a third holding member having a holding surface portion of,
The third holding member can be opened and closed with respect to the first holding member, and the third holding member is closed by a biasing force of a spring. A clip for opening the first holding surface portion and the third holding surface portion when the two gripping portions are closed.
With
The first holding member and the second holding member can be opened and closed by hydraulic pressure, and the sleeve held by the first holding surface portion and the third holding surface portion is narrowed. Hold and compress,
Sleeve holding function compression connections for indirect hot tip tool, wherein the this.

Images