JP2013243860A - Electric wire connection structure - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide an electric wire connection structure which simplifies the work in which an electric connection between an overhead wire and a branch electric wire is disconnected and then the electric connection is restored.SOLUTION: An electric wire connection structure according to this invention connects an overhead wire with a branch electric wire and includes: a connector connecting the overhead wire with the branch electric wire; and an insulation cover formed so as to cover the connector and open and close at least the lower side or the lateral side of the connector. The connector includes an electric wire connection part detachably connecting the branch electric wire, and the electric wire connection part includes an operation part, which is operated when the branch electric wire is connected with the electric wire connection part, at a portion opened by the cover.

Description

  The present invention relates to a wire connection structure for connecting a branch wire to an overhead wire.

  2. Description of the Related Art Conventionally, as an electric wire connection structure for connecting a branch wire (for example, an underline) to an overhead wire (for example, a power transmission line), an electric wire provided with a connector for connecting the overhead wire and the branch wire, and an insulating cover for covering the connector A connection structure is known (for example, Patent Document 1). In such a wire connection structure, the branch wire and the branch wire are connected with a connector, and then the connector is covered with a cover, whereby the branch wire can be connected to the overhead wire and the connection portion can be insulated.

JP 2002-56942 A

  By the way, in the electric wire connection structure which concerns on patent document 1, when carrying out a power failure on the downstream side of a branched electric wire, for example, it removes from an overhead wire in order of a cover and a connector, respectively, and a connector is temporarily supported. And when restoring, it attaches to an overhead wire in order of a connector and a cover, respectively. Therefore, the operation | work which once cancels | releases the electrical connection of an overhead wire and a branch wire, and recovers after that is complicated. In particular, in the case of indirect hot wire work using an insulating operation rod or the like, such work is very complicated.

  Therefore, in view of such circumstances, an object of the present invention is to provide an electric wire connection structure that can simplify the work of once releasing the electrical connection between the overhead wire and the branch electric wire and then recovering it.

  The wire connection structure according to the present invention is a wire connection structure for connecting a branch wire to an overhead wire, and is formed so as to cover the connector for connecting the overhead wire and the branch wire, and at least a lower side or a side side of the connector. An insulating cover configured to be openable and closable, the connector includes a wire connecting portion that removably connects the branch wire, and the wire connecting portion includes an operation portion that is operated when the branch wire is attached and detached. Prepare for the part open to the cover.

  According to the electric wire connection structure according to the present invention, the connector is provided with an electric wire connection portion for detachably connecting the branch electric wire, and the electric wire connection portion is provided with an operation portion that is operated when the branch electric wire is attached / detached. It has been. And when releasing the electrical connection between the overhead wire and the branch wire once, by opening at least the lower side or the side side of the connector, by operating the operation part provided in the part opened to the cover, Remove the branch wire from the wire connection.

  Then, when recovering, the operation part arrange | positioned at the part open | released by a cover is operated, a branch wire is connected to an electric wire connection part, and the site | part by which the cover is open | closed is obstruct | occluded. Therefore, for example, since the work can be easily performed from the lower side or the side of the overhead wire, it is possible to simplify the work of once releasing the electrical connection between the overhead wire and the branch wire and then restoring the electrical connection.

  In the electric wire connection structure according to the present invention, the cover includes a cover body that opens at least a lower side or a side, and a lid that opens and closes a portion that the cover body opens, and the cover body is fixed to the overhead wire. As a matter of course, a configuration including a pair of cover pieces that sandwich the overhead wire or the connector may be adopted.

  According to such a configuration, the cover is provided with the cover main body that opens at least the lower side or the side, and the lid that opens and closes the opening of the cover main body. Since the cover main body is provided with a pair of cover pieces that sandwich the overhead wire or the connector, the cover body can be opened and closed with the lid while the cover main body is fixed to the overhead wire. .

  Further, in the electric wire connection structure according to the present invention, the cover includes a main body portion that hooks the overhead wire, and a cover portion that is connected to the main body portion and covers the main body portion, and the cover portion is an overhead wire to be fixed to the overhead wire. Or the structure provided with a pair of cover piece which is separated so that a connector may be clamped and a connector may be open | released may be sufficient.

  According to such a configuration, the cover is provided with the main body portion that hooks the overhead wire and the cover portion that is connected to the main body portion and covers the main body portion. And since a pair of cover piece is provided in the cover part, a cover part is fixed to an overhead wire by a pair of cover piece pinching an overhead wire or a connector. Further, the pair of cover pieces are separated from each other, so that the connector is opened in a state in which the main body portion holds the overhead wire.

  As described above, according to the electric wire connection structure of the present invention, there is an excellent effect that it is possible to simplify the work of once releasing the electrical connection between the overhead wire and the branch electric wire and then recovering it.

The whole electric wire connection structure front view concerning one embodiment of the present invention is shown. The whole left view of the connector which concerns on the same embodiment is shown. The whole connector front view which concerns on the embodiment is shown. The whole front view of the closed state of the cover concerning the embodiment is shown. The whole front view of the open state of the cover concerning the embodiment is shown. The whole left view of the closed state of the cover concerning the embodiment is shown. The whole left side view of the open state of the cover concerning the embodiment is shown. The whole right side view of the blockade state of the cover concerning the embodiment is shown. The whole right side view of the open state of the cover concerning the embodiment is shown. The whole front view explaining the working method of the electric wire connection structure concerning the embodiment is shown. The whole front view explaining the working method of the electric wire connection structure concerning the embodiment is shown. The whole electric wire connection structure front view which concerns on other embodiment of this invention is shown. The whole left view of the obstruction | occlusion state of the electric wire connection structure which concerns on the embodiment is shown. The whole front view of the obstruction | occlusion state of the electric wire connection structure which concerns on the embodiment is shown. The XV-XV sectional view taken on the line of FIG. 14 of the electric wire connection structure which concerns on the embodiment is shown. The whole body part perspective view concerning the embodiment is shown. The whole left view of the open state of the electric wire connection structure which concerns on the embodiment is shown. The whole front view of the open state of the electric wire connection structure which concerns on the embodiment is shown. The whole front view explaining the working method of the electric wire connection structure concerning the embodiment is shown. The whole front view explaining the working method of the electric wire connection structure concerning the embodiment is shown.

  Hereinafter, a first embodiment of an electric wire connection structure according to the present invention will be described with reference to FIGS.

  As shown in FIG. 1, the wire connection structure 1 according to this embodiment includes a connector 2 that electrically connects the overhead wire X and the branch wire Y, and a cover 3 that is formed so as to cover the connector 2. Here, prior to describing each configuration of the wire connection structure 1, the overhead wire X and the branch wire Y will be described.

  In the present embodiment, the overhead line X is a high-voltage power transmission line constructed between utility poles (not shown). And the overhead wire X is stripped of the covering material X1, and the core wire X2 is partially exposed. Further, in the present embodiment, the branch wire Y is a high voltage underline that connects a pole transformer (not shown) or the like to the downstream side. And the branch electric wire Y equips the edge part with the plate-shaped terminal Y1.

  As shown in FIGS. 1 and 2, the connector 2 includes an overhead wire connection portion 21 that removably connects the overhead wire X and a wire connection portion 22 that removably connects the branch wire Y. The connector 2 is formed with conductivity, and electrically connects (conducts) the overhead wire X and the branch wire Y.

  The overhead wire connecting portion 21 includes a connector main body 211 and a movable body 212 pivotally attached to the connector main body 211. The overhead wire connecting portion 21 includes a fixing means (bolt) 213 that fixes the connector main body 211 and the movable body 212. And the overhead wire connection part 21 has connected the overhead wire X in the site | part of the exposed core wire X2.

  The connector main body 211 and the movable body 212 include concave sandwiching portions 211a and 212a that sandwich the overhead wire X. In addition, the movable body 212 includes a grip portion 212b that is a plate-like and uneven surface gripped by an insulating operation rod or the like. Then, the fixing means 213 is operated to bring the pair of holding portions 211a and 212a into contact with and away from each other.

  The electric wire connection part 22 is provided with the operation part 221 operated when attaching / detaching the branch electric wire Y. Moreover, the electric wire connection part 22 is equipped with a pair of clamping parts 222 and 223 which clamp the branch electric wire Y by operating the operation part 221. And the electric wire connection part 22 has connected the terminal Y1 of the branch electric wire Y. FIG.

  The operation unit 221 is disposed below the connector 2. In the present embodiment, the operation unit 221 is a bolt.

  As shown in FIGS. 1 and 4 to 9, the cover 3 includes a cover body 31 that opens the lower side and one side, and a lid body 32 that opens and closes a portion that the cover body 31 opens. . Note that the cover 3 is formed to have an insulating property, and insulates the core wire X2 of the overhead wire X, the terminal Y1 of the branch wire Y, and the surface side of the connector 2.

  Further, the cover 3 is configured to be able to open and close the lower side and one side of the connector 2 by the rotation of the lid 32 pivotally attached to the cover main body 31. Thereby, when the cover body 32 rotates and the lower side and one side of the cover main body 31 are opened, the operation part 221 of the electric wire connection part 22 will be opened.

  The cover main body 31 includes a pair of cover pieces 311 and 312 that sandwich the overhead wire X so as to be fixed to the overhead wire X. In addition, the cover body 31 is pivotally connected to the first pivot portions 313 and 313 that pivotally connect the upper portions of the pair of cover pieces 311 and 312, the lower portion of the first cover piece 311, and the end portion of the lid body 32. And a second pivotally attached portion 314.

  The pair of cover pieces 311 and 312 has a first holding portion that holds the overhead wire X with each other by engaging the first engaging portions 311a and 312a that engage with each other and the first engaging portions 311a and 312a. Parts 311b and 312b. The pair of cover pieces 311, 312 includes second engaging portions 311 c, 312 c that engage with the lid body 32, and second clamping portions 311 d, 312 d that clamp the overhead wire X between the lid body 32. ing.

  The lid body 32 includes a pivot attachment portion 321 pivotally attached to the lower portion of the first cover piece 311 at the other end, and engages with the second engagement portions 311 c and 312 c of the cover pieces 311 and 312. The joints 322 and 322 are provided at one end. Moreover, the cover body 32 is equipped with the inclination part 323 in an end part so that the corner | angular part which supports the branch electric wire Y may be made into an obtuse angle. And the cover body 32 is provided with the clamping part 324 which clamps the 2nd clamping parts 311d and 312d of the cover main body 31, and the overhead wire X in one end part.

  The configuration of the wire connection structure 1 according to the present embodiment is as described above. Next, a working method in the wire connection structure 1 according to the present embodiment will be described with reference to FIGS. 1 and 10 to 11. . Specifically, an operation method in which the electrical connection between the overhead wire X and the branch wire Y is once released and then restored will be described. In addition, about the following work, the worker gets on the bucket of an aerial work vehicle and works using the insulating operation rod.

  First, in the wire connection structure 1, as shown in FIG. 1, the overhead wire X and the branch wire Y are connected to the connector 2, and the core wire X2 of the overhead wire X, the terminal Y1 of the branch wire Y, and the connector 2 are connected. Covered with a cover 3. At this time, the cover 3 sandwiches and fixes the overhead wire X, and supports the branch wire Y without being bent by the inclined portion 323 of the lid 32.

  In order to temporarily release the electrical connection between the overhead wire X and the branch wire Y, first, the engagement between the second engaging portions 311c and 312c of the cover body 31 and the engaging portion 322 of the lid body 32 is performed. To release. Then, since the lid 32 is rotated by its own weight, the lower side and one side of the cover 3 are opened as shown in FIG.

  As a result, the lower side and the one side of the connector 2 are opened, so that the operation unit 221 disposed at the lower portion of the connector 2 is opened. And the terminal Y1 of the branch electric wire Y is removed from the electric wire connection part 22, as shown in FIG. After that, when recovering, reverse the procedure.

  As described above, the wire connection structure 1 according to the present embodiment is formed so as to cover the connector 2 and the connector 2 that connect the overhead wire X and the branch wire Y in the wire connection structure 1 that connects the branch wire Y to the overhead wire X. And an insulating cover 3 configured to be able to open and close the lower side and one side of the connector 2, and the connector 2 includes a wire connection portion 22 for detachably connecting the branch wire Y, The unit 22 includes an operation unit 221 that is operated when the branch wire Y is attached and detached at the lower part of the connector 2 that is opened to the cover 3.

  Therefore, according to the electric wire connection structure 1 according to the present embodiment, the connector 2 is provided with the electric wire connection portion 22 that detachably connects the branch electric wire Y, and the electric wire connection portion 22 attaches and detaches the branch electric wire Y. An operation unit 221 that is operated at the time is provided. Then, when the electrical connection between the overhead wire X and the branch wire Y is once released, the lower side and one side of the connector 2 are opened, and the operation provided at the lower part of the connector 2 opened to the cover 3 The branch wire Y is removed from the wire connection portion 22 by operating the portion 221.

  Then, when recovering, the open operation part 221 is operated, the branch electric wire Y is connected to the electric wire connection part 22, and the site | part by which the cover 3 is open | closed is obstruct | occluded. Therefore, since it can work easily from the lower side or the side of the overhead line X, even if it rides on the bucket of an aerial work vehicle and uses an insulating operation rod, the overhead line X and the branch wire Y It is possible to simplify the work of once releasing the electrical connection and then recovering.

  Further, in the electric wire connection structure 1 according to the present embodiment, the cover 3 includes a cover body 31 that opens the lower side and one side, and a lid body 32 that opens and closes a portion that the cover body 31 opens. The main body 31 includes a pair of cover pieces 311 and 312 that sandwich the overhead line X so as to be fixed to the overhead line X.

  Therefore, according to the wire connection structure 1 according to the present embodiment, the cover 3 includes the cover main body 31 that opens the lower side and the one side, and the lid body 32 that opens and closes the opening of the cover main body 31. Is provided. Since the cover body 31 is provided with a pair of cover pieces 311 and 312 that sandwich the overhead line X, the cover body 31 is fixed to the overhead line X while the cover body 31 is fixed to the cover body 31. 32 can be opened and closed.

  Next, a second embodiment of the electric wire connection structure according to the present invention will be described with reference to FIGS. 12 to 20, the parts denoted by the same reference numerals as those in FIGS. 1 to 11 represent the same configurations or elements as those in the first embodiment, and the description thereof will not be repeated.

  The wire connection structure 5 according to the present embodiment includes a connector 2 that electrically connects the overhead wire X and the branch wire Y, and a cover 6 that is formed so as to cover the connector 2. In addition, the electric wire connection structure 5 which concerns on this embodiment differs in the structure of the cover 6 with respect to the electric wire connection structure 1 which concerns on 1st Embodiment.

  The cover 6 includes a main body portion 61 that hooks the overhead wire X, a cover portion 62 that covers the main body portion 61, and a connection portion 63 that connects the main body portion 61 and the cover portion 62. In addition, the cover 6 is formed to have an insulating property and insulates the core wire X2 of the overhead wire X, the terminal Y1 of the branch wire Y, and the surface side of the connector 2.

  The main body portion 61 includes a pair of main body pieces 611 and 612 and pivot attachment portions 613 and 613 that pivotally attach upper portions of the pair of main body pieces 611 and 612. And the main-body part 61 is comprised so that the operation part 221 of the electric wire connection part 22 of the connector 2 can be operated from the downward side so that a lower side may open | release.

  The main body pieces 611 and 612 include engaging portions 611 a and 612 a that engage the lower portions, and locked portions 611 b and 612 b that protrude outward from the lower portion and are locked to the cover portion 62. And the main-body part 61 becomes cyclic | annular by a pair of main-body pieces 611,612 engaging with the engaging parts 611a and 612a, and prevents the inserted overhead line X from coming off, that is, the inserted overhead line X It is comprised so that it may latch.

  The cover part 62 includes a pair of cover pieces 621 and 622 that sandwich the overhead line X, and pivoting parts 623 and 623 that pivotally attach the upper portions of the pair of cover pieces 621 and 622 to be fixed to the overhead line X. ing. And the cover part 62 is comprised so that the connector 2 may be open | released by a pair of cover pieces 621 and 622 separating.

  The pair of cover pieces 621, 622 includes a plurality of engaging portions 621a, 622a,. In addition, the pair of cover pieces 621 and 622 includes a pair of holding portions 621b, 621b, 622b, and 622b that hold the overhead wire X with each other by engaging the engaging portions 621a and 622a.

  The pair of cover pieces 621 and 622 has concave locking portions 621c and 622c that lock the locked portions 611b and 612b of the main body pieces 611 and 612 when the engaging portions 621a and 622a are engaged. Provided inside. Further, the pair of cover pieces 621 and 622 are provided with inclined portions 621d and 622d at one end so that the corner portion supporting the branch wire Y is an obtuse angle.

  The configuration of the electric wire connection structure 5 according to the present embodiment is as described above. Next, an operation method in the electric wire connection structure 5 according to the present embodiment will be described with reference to FIGS. 12 and 19 to 20. . Specifically, an operation method in which the electrical connection between the overhead wire X and the branch wire Y is once released and then restored will be described. In addition, about the following work, the worker gets on the bucket of an aerial work vehicle and works using the insulating operation rod.

  First, in the wire connection structure 5, as shown in FIG. 12, the overhead wire X and the branch wire Y are connected to the connector 2, and the core wire X2 of the overhead wire X, the terminal Y1 of the branch wire Y, and the connector 2 are connected. Covered with a cover 6. At this time, the cover 6 sandwiches and fixes the overhead wire X, and supports the branch wire Y without bending by the inclined portions 621d and 622d of the cover portion 62.

  Then, in order to temporarily release the electrical connection between the overhead wire X and the branch wire Y, first, the engagement of the engaging portions 621a and 622a of the pair of cover pieces 621 and 622 is released. Then, when the cover pieces 621 and 622 are rotated and separated so that the cover pieces 621 and 622 are positioned above, the lower side and the side side of the connector 2 are opened as shown in FIG.

  In addition, since the main body 61 also opens the lower side and the side of the connector 2, the operation unit 221 disposed at the lower part of the connector 2 is opened. At this time, since the main body 61 is hooking the overhead wire X, the cover 6 is prevented from dropping from the overhead wire X. And the terminal Y1 of the branch electric wire Y is removed from the electric wire connection part 22, as shown in FIG. After that, when recovering, reverse the procedure.

  As described above, the wire connection structure 5 according to the present embodiment is formed so as to cover the connector 2 and the connector 2 that connect the overhead wire X and the branch wire Y in the wire connection structure 5 that connects the branch wire Y to the overhead wire X. And an insulating cover 6 configured to be able to open and close the lower side and the side of the connector 2, and the connector 2 includes a wire connecting portion 22 for detachably connecting the branch wire Y, and a wire connecting portion. 22 includes an operation unit 221 that is operated when the branch wire Y is attached / detached at a lower portion of the connector 2 opened to the cover 6.

  Therefore, according to the electric wire connection structure 5 according to the present embodiment, the connector 2 is provided with the electric wire connection portion 22 that detachably connects the branch electric wire Y, and the electric wire connection portion 22 attaches and detaches the branch electric wire Y. An operation unit 221 that is operated at the time is provided. When the electrical connection between the overhead wire X and the branch wire Y is once released, the lower and side sides of the connector 2 are opened, and the operation unit provided at the lower part of the connector 2 opened to the cover 6 By operating 221, the branch wire Y is removed from the wire connection part 22.

  After that, when recovering, the operation unit 221 disposed in the portion opened to the cover 6 is operated to connect the branch wire Y to the wire connection unit 22 and the portion opened by the cover 6, that is, the connector The lower side and the side side of 2 are closed. Therefore, since it can work easily from the lower side or the side of the overhead line X, even if it rides on the bucket of an aerial work vehicle and uses an insulating operation rod, the overhead line X and the branch wire Y It is possible to simplify the work of once releasing the electrical connection and then recovering.

  Further, in the electric wire connection structure 5 according to the present embodiment, the cover 6 includes a main body portion 61 that hooks the overhead wire X, and a cover portion 62 that is connected to the main body portion 61 and covers the main body portion 61. Includes a pair of cover pieces 621 and 622 that sandwich the overhead wire X to be fixed to the overhead wire X and are separated to release the connector 2.

  Therefore, according to the wire connection structure 5 according to the present embodiment, the cover 6 is provided with the main body portion 61 that hooks the overhead wire X and the cover portion 62 that is connected to the main body portion 61 and covers the main body portion 61. ing. Since the cover portion 62 is provided with a pair of cover pieces 621 and 622, the cover portion 62 is fixed to the overhead wire X by the pair of cover pieces 621 and 622 sandwiching the overhead wire X. In addition, when the pair of cover pieces 621 and 622 are separated from each other, the connector 2 is opened in a state where the main body 61 is engaged with the overhead wire X.

  In addition, the electric wire connection structure which concerns on this invention is not limited to above-described embodiment, Of course, a various change can be added in the range which does not deviate from the summary of this invention. In addition, the configurations and methods of the plurality of embodiments described above may be arbitrarily adopted and combined (the configurations and methods according to one embodiment may be combined with the configurations and methods according to other embodiments). Further, it is of course possible to arbitrarily select configurations, methods, and the like according to various modifications described below and adopt them in the configurations, methods, and the like according to the above-described embodiments.

  First, although the structure which concerns on the said 1st and 2nd embodiment is a structure by which the operation part 221 is arrange | positioned under the connector 2, it is not restricted to such a structure. For example, the configuration according to the present invention may be a configuration in which the operation portion is disposed on the side portion of the connector. In short, the operation portion is opened when the cover is opened so that the operation portion can be operated from the lower side or the side side. What is necessary is just the structure by which the operation part is arrange | positioned in the position.

  Further, the configuration according to the first and second embodiments is a configuration in which the cover pieces 311 and 312 (621 and 622) are fixed to the overhead line X by sandwiching the overhead line X, but is limited to such a configuration. Absent. For example, the configuration according to the present invention may be a configuration in which the cover piece is fixed to the overhead wire X by holding the connector.

  Moreover, although the structure which concerns on the said 1st and 2nd embodiment is a structure by which the connector 2 and the covers 3 and 6 are isolate | separated, it is not restricted to such a structure. For example, the configuration according to the present invention may be a configuration in which a connector and a cover are connected and integrated.

  Moreover, although the structure which concerns on the said 2nd Embodiment is a structure by which the main-body part 61 is hooked on the overhead wire X (it hangs), it is not restricted to such a structure. For example, the structure which concerns on this invention may be the structure by which a main-body part is fixed to an overhead wire.

  DESCRIPTION OF SYMBOLS 1 ... Electric wire connection structure, 2 ... Connector, 3 ... Cover, 5 ... Electric wire connection structure, 6 ... Cover, 21 ... Overhead wire connection part, 22 ... Electric wire connection part, 31 ... Cover main body, 32 ... Cover body, 61 ... Main body part , 62 ... Cover part, 63 ... Connection part, 311 ... Cover piece, 312 ... Cover piece, 621 ... Cover piece, 622 ... Cover piece, X ... Overhead wire, Y ... Branch wire

Claims (3)

In the wire connection structure that connects branch wires to overhead wires,
A connector that connects the overhead wire and the branch wire, and an insulating cover that is formed so as to cover the connector and configured to be able to open and close at least the lower side or the side of the connector,
The connector is equipped with a wire connection part to connect the branch wire detachably,
An electric wire connection part is an electric wire connection structure provided with the operation part operated when attaching / detaching a branch electric wire in the site | part opened to a cover. The cover includes a cover main body that opens at least the lower side or the side, and a lid that opens and closes a part that the cover main body opens,
The wire connecting structure according to claim 1, wherein the cover body includes a pair of cover pieces that sandwich the overhead wire or the connector so as to be fixed to the overhead wire. The cover includes a main body portion that hooks the overhead wire, and a cover portion that is connected to the main body portion and covers the main body portion,
The wire connection structure according to claim 1, wherein the cover portion includes a pair of cover pieces that sandwich the overhead wire or the connector so as to be fixed to the overhead wire and are separated so as to open the connector.

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