JP2017039353A - Feeder temporary support - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a feeder temporary support that can reduce labor required for replacement of a feeder insulator.SOLUTION: A feeder temporary support 1 is provided for temporarily supporting a feeder 11 supported by a feeder insulator 12 when replacing the feeder insulator 12 provided at a cross arm 14. The feeder temporary support has a cross arm fixing part 2 fitted in the cross arm 14 and temporarily fixed so as to protrude from the cross arm 14 outwardly, and a wire grip 3 mounted to the cross arm fixing part 2 to pull up the feeder 11 and bear a load of the feeder 11. When the cross arm fixing part 2 is temporarily fixed to the cross arm 14, a portion for mounting the wire grip 3 is disposed upward more than the cross arm 14.SELECTED DRAWING: Figure 1

Description

  The present invention relates to a feeder temporary support for temporarily supporting a feeder when the feeder supporting the feeder replaces the insulator.

Railway feeders are supported by armatures fixed to utility poles via insulators. The arm metal braided wire insulator is exchanged as necessary (see, for example, Patent Documents 1 to 3).
Conventionally, the feeder is replaced with a long wood called a small rod temporarily fixed to the arm with an annealed wire, and the feeder is temporarily supported by a tensioner installed on the small rod.

JP 2010-273435 A JP 2010-161834 A JP-A-6-153343

  In order to temporarily fix the wand to the arm, it is necessary to lift the long wand to the height where the arm is provided, and special skills to bind the wand to the arm with an annealed wire are required. . For this reason, there is a problem that it takes labor to replace the feeder.

  Therefore, an object of the present invention is to provide a feeder temporary support that can reduce the labor required for replacing the feeder.

  In order to achieve the above object, the feeder temporary support according to the present invention is a feeder temporary support for temporarily supporting the feeder supported by the insulator when the feeder provided on the armrest is replaced. A brace fixing portion that is fitted into the armrest and temporarily fixed so as to protrude outward from the armrest, and the feeder is attached to the armrest fixing portion to lift the feeder and And a strainer to be borne.

  In the present invention, the brace fixing part to which the wire tensioner is attached is temporarily fixed to the arm metal by being fitted into the arm metal, so that the small rod to which the wire tensioner is attached is tied to the arm metal with the annealed wire as in the prior art. Therefore, the arm bracket fixing part can be easily temporarily fixed to the arm bracket without requiring any special skill.

Moreover, in the feeder temporary support tool according to the present invention, the portion where the wire tensioner is attached to the armrest fixing portion is located above the armrest when the armrest fixing portion is temporarily fixed to the armrest. It is preferable that it is formed so that it may be arrange | positioned.
By setting it as such a structure, the drawing allowance of a tensioner can be ensured to an up-down direction, and a feeder can be temporarily supported reliably.

Further, in the feeder temporary support according to the present invention, it is preferable that the arm metal fixing part can be fitted into the arm metal on both sides in the length direction and the wire tensioner can be attached.
By adopting such a configuration, it is possible to fit the arm metal fixing portion regardless of which side of the arm metal the arm metal fixing portion is fitted in the length direction of the arm metal. For example, when the brace is an L-shaped steel or the like in which the cross-sectional shape seen from one side in the length direction and the cross-sectional shape seen from the other side are symmetrical, the brace fixing part is one side in the length direction of the brace. If it is formed only in a shape that fits into the arm bracket, it cannot be fitted on the other side in the length direction of the brace. On the other hand, the arm metal fixing part can be fitted into the arm metal on both sides in the length direction. The brace fixing portion can be temporarily fixed to both sides of the arm.

  According to the present invention, it is possible to reduce the labor required for replacing the feeder with the feeder.

It is a figure which shows the feeder temporary support tool by embodiment of this invention. It is a figure explaining a feeder and a feeder. It is the sectional view on the AA line of FIG. It is the figure which looked at the feeder temporary support tool from the upper part. It is a B direction arrow directional view of FIG. It is a C direction arrow directional view of FIG. It is the figure which looked at the feeder temporary support attached to the edge part of the one side of a bracelet from the edge part side of the one side of a bracelet. It is the figure which looked at the feeder temporary support attached to the edge part of the other side of a bracelet from the edge part side of the other side of a bracelet.

Hereinafter, the feeder temporary support tool by embodiment of this invention is demonstrated based on FIG. 1 thru | or FIG.
As shown in FIG. 1, the feeder temporary support 1 according to the present embodiment is used to temporarily support the feeder 11 when the feeder 12 supporting the feeder 11 of the railway replaces the insulator 12.
As shown in FIG. 2, the feeder insulator 12 is attached in the vicinity of the end portion 14 a in the length direction of the arm metal 14 fixed to the utility pole 13 (see FIG. 2).
The arm metal 14 extends in a substantially horizontal direction and is made of equilateral angle steel having the same width and height. The arm metal 14 is disposed such that the flange 141 whose plate surface is a substantially horizontal surface is on the upper side and the web 142 whose plate surface is a substantially vertical surface is on the lower side. The width dimension and the height dimension of the arm metal 14 are set to 65 mm or 75 mm.

  Returning to FIG. 1, the feeder temporary support 1 includes an arm metal fixing part 2 temporarily fixed in the vicinity of the end 14 a of the arm metal 14, and a tension wire attached to the arm metal fixing part 2 and temporarily supporting the electric wire 11. And a vessel (shimeler) 3. The wire tensioner 3 is attached to the armrest fixing portion 2 and is configured to be temporarily supported so as to pull the feeder 11 to the armrest fixing portion 2 side.

  As shown in FIGS. 4 to 6, the arm metal fixing part 2 is a member obtained by processing a steel material and has a predetermined length. A bent portion 2a is formed in the brace fixing portion 2 at a substantially central portion in the length direction (the left-right direction in FIGS. 4 and 5 and the direction perpendicular to the paper surface in FIG. 6). A portion of the arm metal fixing portion 2 that is on one side in the length direction from the bent portion 2 a is referred to as a first fixing portion 21, and a portion that is on the other side in the length direction is referred to as a second fixing portion 22. The first fixing portion 21 extends in one linear direction, and the second fixing portion 22 extends in a linear direction intersecting with the one linear direction. The first fixing portion 21 and the second fixing portion 22 are integrally formed.

The first fixing portion 21 can be temporarily fixed in the vicinity of one end portion 14 b (see FIG. 1) in the length direction of the arm metal 14. The second fixing portion 22 can be temporarily fixed near the other end portion 14c (see FIG. 1) of the arm metal 14. Both the first fixing portion 21 and the second fixing portion 22 can be attached with the wire tensioner 3.
In the arm metal fixing part 2, the first fixing part 21 is temporarily fixed to the arm metal 14 and the wire tensioner 3 is attached to the second fixing part 22, and the second fixing part 22 is temporarily fixed to the arm metal 14. It is used in any state of the state where the wire tensioner 3 is attached to the first fixing portion 21.
In addition, when the 2nd fixing | fixed part 22 is temporarily fixed to the edge part 14c of the other side of the arm bracket 14, as shown by a virtual line in FIG. The other end portion 14c is fixed so as to be separated from the utility pole 13, and a feeder 12 is provided on the other end portion 14c of the arm bracket 14.

As shown in FIG. 7, the first fixing portion 21 can insert the flange 141 of the arm metal 14 and the upper side of the web 142, and the arm metal 14 by inserting the flange 141 of the arm metal 14 and the upper side of the web 142. 14 is configured so as to be fitted and temporarily fixed. FIG. 7 is a view of the arm metal fixing part 2 temporarily fixed to the arm metal 14 as seen from the direction D of FIG.
When the first fixing portion 21 is temporarily fixed to the arm metal 14, the first upper plate portion 211 disposed on the upper side of the flange 141 of the arm metal 14 and the first lower surface disposed on the lower side of the flange 141. A plate portion 212, a first side plate portion 213 that extends downward from one end portion in the width direction of the first upper plate portion 211 (left and right direction in FIG. 7) and is disposed on one side in the width direction of the web 142; The first upper plate portion 211 is connected to the other end portion in the width direction of the first upper plate portion 211 and the other end portion in the width direction of the first lower plate portion 212 to be disposed on the other side in the width direction of the flange 141. And a connection plate portion 214.
In the first fixing portion 21, the flange 141 of the arm metal 14 and the upper side of the web 142 are inserted from the end portion side on the side away from the second fixing portion 22 in the length direction.

Two bolt holes 215 and 215 are formed in the first upper plate portion 211. In the present embodiment, a nut is welded to the upper surface of the first upper plate portion 211 so as to overlap with a hole passing through the first upper plate portion 211, and the hole portion of this nut is used as a bolt hole 215. In addition, the part which forms the bolt holes 215 and 215 of the first upper plate part 211 without using a nut is formed to be thicker than the other parts, and the hole part in which the thread is formed in the thick part. It is good also as a bolt hole 215 by forming.
In a state where the arm metal 14 is inserted into the first fixing portion 21, the bolts 216 and 216 are inserted into the bolt holes 215 and 215 from above and fastened, so that the bolts 216 and 216 connect the flange 141 of the arm metal 14 to the first. 1 The arm plate fixing portion 2 is pressed against the lower plate portion 212 to prevent it from coming off from the arm metal 14.
In the present embodiment, the first side plate portion 213 prevents the armrest fixing portion 2 from coming off from the armrest 14 in the width direction.

  On the first upper plate portion 211 and the first lower plate portion 212, a U-shaped bolt or the like for attaching the wire tensioner 3 (see FIG. 1) in the vicinity of the end portion on the side away from the second fixing portion 22 in the length direction. The wire attachment attachment holes 217 and 218 through which the metal fitting 31 (see FIG. 1) can be inserted are formed. In the state where the first fixing part 21 is temporarily fixed to the arm metal 14, the metal fitting 31 cannot be inserted into the hole tensioner attaching holes 216 and 217, and the first fixing part 21 is not connected to the arm. In a state where it is not temporarily fixed to the gold 14 (a state where the second fixing portion 22 is temporarily fixed to the arm metal 14), the metal fitting 31 can be inserted into the wire attachment holes 217 and 218.

As shown in FIG. 8, the second fixing portion 22 can insert the flange 141 of the arm metal 14 and the upper side of the web 142, and the arm metal 14 by inserting the flange 141 of the arm metal 14 and the upper side of the web 142. 14 is configured so as to be fitted and temporarily fixed. FIG. 8 is a view of the arm metal fixing part 2 temporarily fixed to the arm metal 14 as seen from the direction E of FIG.
When the second fixing portion 22 is temporarily fixed to the arm bracket 14, the second upper plate portion 221 disposed on the upper side of the flange 141 of the arm bracket 14 and the second lower portion disposed on the lower side of the flange 141. A plate portion 222, a second side plate portion 223 that extends downward from one end portion in the width direction of the second upper plate portion 221 (left and right direction in FIG. 8) and is disposed on one side in the width direction of the web 142. The second upper plate portion 221 is connected to the other end portion in the width direction of the second upper plate portion 221 and the other end portion in the width direction of the second lower plate portion 222 to be disposed on the other side in the width direction of the flange 141. Connecting plate portion 224.
The flange 141 of the arm metal 14 and the upper side of the web 142 are inserted into the second fixing part 22 from the end side on the side away from the first fixing part 21 in the length direction.

Two bolt holes 225 and 225 are formed in the second upper plate portion 221. In this embodiment, the part in which the bolt holes 225 and 225 of the second upper plate part 221 are formed is thicker than the other parts. With the arm metal 14 inserted into the second fixing portion 22, the bolts 226 and 226 are inserted into the bolt holes 225 and 225 from above and fastened, so that the bolts 226 and 226 connect the flange 141 of the arm metal 14 to the first. 2 The arm plate fixing part 2 is pressed against the lower plate part 222 to prevent the arm member 14 from being detached from the arm member 14.
In the present embodiment, the second side plate portion 223 prevents the armrest fixing portion 2 from being detached from the armrest 14 in the width direction.

  On the second upper plate portion 221 and the second lower plate portion 222, a U-shaped bolt or the like for attaching the wire tensioner 3 (see FIG. 1) in the vicinity of the end portion on the side away from the first fixing portion 21 in the length direction. The wire attachment attachment holes 227 and 228 into which the metal fitting 31 (see FIG. 1) can be inserted are formed. In the state where the second fixing portion 22 is temporarily fixed to the arm metal 14, the metal fitting 31 cannot be inserted into the wire attachment attachment holes 227 and 228, and the second fixing portion 22 is not connected to the arm metal 14. In the state where it is not temporarily fixed to (a state where the first fixing portion 21 is temporarily fixed to the arm metal 14), the metal fitting 31 can be inserted through the wire attachment holes 227 and 228.

  In the present embodiment, when the first fixing portion 21 is temporarily fixed to the arm metal 14 due to the bending of the arm metal fixing portion 2, the second fixing portion 22 is from the side continuous with the first fixing portion 21. The posture is inclined so as to gradually move upward toward the side away from the first fixing portion 21, and the end of the second fixing portion 22 on the side away from the first fixing portion 21 is the first fixing portion 21 and the arm metal. 14 is disposed above 14. In addition, since the arm metal fixing part 2 is bent, when the second fixing part 22 is temporarily fixed to the arm metal 14, the first fixing part 21 is second fixed from the side continuous with the second fixing part 22. The end of the first fixing portion 21 on the side away from the second fixing portion 22 is more inclined than the second fixing portion 22 and the arm metal 14. Arranged on the upper side.

Then, the replacement | exchange method of the feeder insulator 12 using the feeder temporary support 1 by this embodiment is demonstrated. Here, the case where the feeder 12 attached to the end portion 14b on one side of the brace 14 is replaced will be described.
First, the arm metal fixing part 2 is fitted into the arm metal 14 so that the vicinity of the end part 14 b on one side of the arm metal 14 is inserted into the first fixing part 21 of the arm metal fixing part 2.
Subsequently, the bolts 216 and 216 are fastened to the bolt holes 215 and 215 of the first fixing portion 21, and the flange 141 of the arm metal 14 is pressed against the first lower plate portion 212. In this way, the arm bracket fixing portion 2 is temporarily fixed to the arm bracket 14.

Subsequently, a metal fitting 31 for attaching the wire drawing device 3 is inserted into the wire attachment attachment holes 217 and 218 of the second upper plate portion 221 and the second lower plate portion 222, and the wire drawing device 3 is inserted into the metal fitting 31. Install.
Subsequently, the wire tensioner 3 temporarily supports the wire 11 so that the wire 11 is pulled up, and the load of the wire 11 is applied to the wire tensioner 3. Then, the feeder 12 is replaced with the feeder 12 so that the newly installed feeder 12 supports the feeder 11.
Subsequently, the wire tensioner 3 is removed from the feeder, and the wire tensioner 3 is removed from the brace fixing part 2.
Subsequently, the bolts 216 and 216 are removed from the bolt holes 215 and 215, and the arm metal fixing part 2 is removed from the arm metal 14.
In this way, the wire insulator 12 is replaced.

The wire tensioner 3 is fixed to the armrest fixing portion 2 before the armband fixing portion 2 is temporarily fixed to the armrest 14, and the armor fixing portion 2 is detached from the armrest 14 before the wire tensioner 3 is armed. You may make it remove from the gold | metal fixing | fixed part 2. FIG. Alternatively, the bolt 216 may be inserted into the bolt hole 215 in advance, and the brace fixing part 2 may be attached to and detached from the brace 14 with the bolt 216 loosened.
When the feeder 12 attached to the other end 14b of the arm metal 14 is replaced, the feeder 12 attached to the one end 14b of the arm 14 is replaced. The first fixing portion 21 in the description is the second fixing portion 22, and the second fixing portion 22 is the same as the first fixing portion 21.

Next, operations and effects of the feeder temporary support 1 according to this embodiment described above will be described with reference to the drawings.
In the feeder temporary support 1 according to this embodiment described above, in order to temporarily fix the brace fixing part 2 to the brace 14, it is only necessary to fit the brace fixing part 2 into the brace 14, which requires special skills. It is possible to easily install the feeder temporary support 1 without stopping. Thereby, the labor concerning replacement of the feeder 12 can be reduced.
Of the first fixing part 21 and the second fixing part 22, the one to which the wire tensioner 3 is attached is arranged at a position higher than the arm metal 14 when the arm metal fixing part 2 is temporarily fixed to the arm metal 14. By being formed in such a manner, it is possible to secure a margin for drawing the wire tensioner 3 also in the vertical direction.

  Further, the arm metal fixing portion 2 can be fitted into the arm metal 14 with both the first fixing portion 21 and the second fixing portion 22, and the tensioner 3 can be attached. Regardless of which side of the length direction of the arm metal 14 the part where the metal fixing part 2 is fitted is, the arm metal fixing part 2 can be fitted. As in the present embodiment, when the arm metal 14 is L-shaped steel, the arm metal fixing part 2 is formed only in a shape that can be fitted to one side in the length direction of the arm metal 14. It cannot be fitted on the other side in the length direction. On the other hand, since each of the first fixing portion 21 and the second fixing portion 22 of the arm metal fixing portion 2 can be fitted into the arm metal 14, either the first fixing portion 21 or the second fixing portion 22 can be connected. By selecting, the arm metal fixing part 2 can be temporarily fixed to both sides of the arm metal 14 in the length direction.

As mentioned above, although embodiment of the feeder temporary support tool by this invention was described, this invention is not limited to said embodiment, In the range which does not deviate from the meaning, it can change suitably.
For example, in the above-described embodiment, the armrest fixing portion 2 has the bent portion 2a formed at a substantially central portion in the length direction, but may not be bent.
Further, in the above embodiment, the arm metal fixing portion 2 can be temporarily fixed to the arm metal 14 on both sides in the length direction and can be attached with the wire tensioner 3, but only on one side in the length direction. It is good also as a form which can be temporarily fixed to the arm bracket 14 and can attach the tensioner 3 only to the other side.

DESCRIPTION OF SYMBOLS 1 Feed wire temporary support 2 Arm metal fixing | fixed part 2a Bending part 3 Wire tension device 11 Feed wire 12 Feed wire insulator 14 Arm metal 21 1st fixing part 22 2nd fixing part

Claims (3)

When the feeder provided on the brace replaces the insulator, the feeder temporarily supports the feeder supported by the insulator,
A brace fixing part that is fitted into the brace and temporarily fixed so as to protrude outward from the brace;
A wire feeder temporary support, comprising: a tensioner attached to the armrest fixing portion and pulling up the feeder to bear the load of the feeder.   The portion where the wire tensioner is attached to the armrest fixing portion is formed so as to be disposed above the armrest when the armrest fixing portion is temporarily fixed to the armrest. The temporary feeder according to claim 1.   3. The feeder temporary support according to claim 1, wherein the armrest fixing portion can be fitted into the armrest on both sides in the length direction, and can be attached to the wire feeder. 4. Ingredients.

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