JPH056553U - Jyamper wire support insulator - Google Patents

Abstract

(57) [Abstract] [Purpose] The jumper wire can be gripped at an appropriate angle according to the horizontal lead-in angle of the transmission and distribution line, and the mounting work can be easily performed. [Structure] A ground side connecting fitting 9 is fitted and fixed to one end of an insulator body 8, and a grip fitting K for holding a jumper wire is attached to the other end through a power connecting side fitting 12 to connect the ground side. An elongated hole 9b for adjusting the attachment angle of the insulator body 8 is formed in the flange portion 9a of the metal fitting 9. In addition, connecting fitting 1
2, the elongated hole 12b for adjusting the mounting angle of the gripping metal K is formed.

Description

[Detailed description of the device]

[0001]

[Industrial applications]

  This invention is a tension insulator device for power transmission and distribution lines, in which the power transmission of the left and right tension insulator ends. Jumper wire support used for steadying jumper wires that connect wires to each other It concerns insulators.

[0002]

[Prior art]

  A conventional jumper wire support insulator shown in FIG. 11 is used. this The jumper wire support insulator 21 is a ground-side connecting metal fitted and fixed to the upper end of the insulator body 8. The flange portion 9a of the tool 9 is attached to the bolt 10 and the nut 11 with respect to the support arm 2 of the steel tower. It is designed to be tightened more tightly. Further, a cap metal fitting is provided on the lower end of the insulator body 8. 22 are fitted and fixed, and a pair of left and right support bolts 16 are provided at the bottom of the cap fitting 22. Is supported downward, and a clamp metal fitting 17 is attached to the bolt 16 by a nut 18. It is supported and the jumper wire 6 is connected between the cap metal fitting 22 and the clamp metal fitting 17. It is designed to be gripped with. The jumper wire 6 is located below the support arm 2. It is gripped so that it does not roll in place.

[0003]

[Problems to be solved by the device]

  However, the conventional support insulator 21 is connected to the support arm 2 by a grounding side connecting fitting. Tighten the flange portion 9a of 9 with four bolts 10 that pass through the circular bolt insertion hole. Since it is attached and fixed, the gripping position of the jumper wire 6 can be adjusted only in 90 degree units. Therefore, if the horizontal lead-in angle of the transmission line 5 changes as shown in FIG. It is necessary to bend the par wire 6 largely according to the horizontal lead-in angle so as to fit in the wire groove 22a. There was a problem that it was important. That is, in FIG. 4, the champer wire 6 is a solid line. Although it is represented by, the jumper should actually be arranged as shown in the virtual image. The wire 6 fits in the groove 22a, and unnecessary force is applied to the jumper wire 6 and the support insulator 21. No

[0004]   In addition, the diameter of the power transmission line became thicker and the rigidity increased as the capacity of the power transmission and distribution line increased. As a result, the bending curvature of the transmission line is restricted, and the wedge-type tension With the spread of lamps, turn the jumper without cutting the power line 5 The jumper wire 6 is largely diverted to the outside due to the increased number of However, there is a problem that the mounting work is difficult and the construction takes time.

[0005]   The purpose of this invention is to change the horizontal lead-in angle of the transmission / distribution line to the tension tower. If this is the case, the jumper wire can be routed quickly and easily. A jumper wire support that does not apply extra force to the jumper wire and supporting insulators It is to provide an insulator.

[0006]

[Means for Solving the Problems]

  In order to achieve the above object, the device according to claim 1 has a ground side at one end of the insulator body. Jar with the connecting metal fittings fitted and fixed, and the gripping metal fitting for holding the jumper wire attached to the other end An insulator wire support insulator, the center side of the insulator body being centered on the ground side connecting fitting. In addition, a means is provided for continuously adjusting the mounting angle of the main body. It

[0007]   Further, the invention according to claim 2 fixes the ground side connecting metal fitting to one end of the insulator body, A jumper wire support insulator with a gripping metal fitting for holding the jumper wire attached to the end. , Adjusting means for steplessly adjusting the horizontal pulling angle of the jumper wire to the holding metal fitting. It takes the means of providing.

[0008]

[Action]

  According to the first aspect of the invention, the insulator body is attached to the ground-side connecting metal fitting of the support insulator. Since the adjustment means to adjust the angle is provided, depending on the horizontal lead-in angle of the jumper wire After adjusting the mounting angle of the insulator body, fix the ground side connecting fitting to the steel tower. The jumper wire can be easily attached to the proper position according to the horizontal pull-in angle. You can

[0009]   Further, in the invention according to claim 2, the mounting position of the gripping metal fitting is adjusted with respect to the power-supply-side connecting metal fitting. Adjust the jumper wire to the proper position by knotting. be able to.

[0010]

【Example】

  An embodiment embodying the present invention will be described below with reference to FIGS.   As shown in FIG. 3, the support arms 2 of the steel tower 1 support the tensile insulators 3 and 4, and A transmission line 5 is connected to the ends of the children 3 and 4. This power transmission line 5 is a jumper line 6 And the jumper wire 6 is suspended and fixed to the lower surface of the support arm 2. It is supported by the support insulator 7 so as not to roll laterally.

[0011]   The configuration of the jumper wire support insulator 7 will be described in detail with reference to FIGS. 1 and 2. And a cap-shaped grounding side coupling fitting 9 is fitted to the upper end portion of the insulator body 8, It is fixed by the There are four places on the franchise part 9a of this connecting fitting 9. An elongated hole 9b having an arc shape is formed, and the flange portion 9a is a tip of the support arm 2. Insert the bolts 10 into the four insertion holes formed on the lower surface of the part and tighten the nuts 11 It is fixed. The insulator body 8 is rotated by the elongated hole 9b of the grounding side connecting fitting 9. It is possible to adjust the horizontal lead-in angle of the jumper wire 6 steplessly. be able to.

[0012]   In addition, a cap-shaped power-supply-side coupling fitting 12 is fitted to the lower end of the insulator body 8 and is attached. It is fixed by the component. Flange provided on the lower end of the connecting fitting 12 12a has arcuate elongated holes 12b formed at four positions. Of this connecting fitting 12 An electric wire grip metal fitting K is attached to the lower surface. The grip metal fitting K is the connecting metal fitting 12 Wire receiver that is tightened and fixed by bolts 14 and nuts 15 in the state of contacting the lower surface of the A grip plate 13 having a hook 13a and a lower surface of the grip plate 13 facing downward. A pair of supporting bolts 16 supported, and a clamp fitting supported by both supporting bolts 16 And a nut 18 screwed to the support bolt 16 The jumper wire 6 can be gripped between the grip plate 13 and the clamp fitting 17. ing. The grip plate 13 has four bolt insertion holes 13b and the elongated holes 12b. The bolt 14 can be inserted therethrough. And bolt 1 4. When the grip plate 13 is rotated with the nut 15 loosened, the connecting fitting 12 The mounting angle of the gripping metal K with respect to I am able to adjust to the floor.

[0013]   Next, regarding the jumper wire support insulator 7 of the tension insulator device constructed as described above , Its action will be explained.   First, attach the grounding side connecting fitting 9 at the upper end of the jumper wire support insulator 7 to the support arm 2. With the bolt 10 and the nut 11 attached to the lower surface, the connecting fitting 9 Turning 9b counterclockwise from the position shown in FIG. The horizontal pull-in angle of the jumper wire 6 is continuously variable within the range of 45 degrees which is the formation angle of the hole 9b. Can be adjusted to.

[0014]   On the other hand, also on the side of the holding metal fitting K at the lower end portion of the support insulator 7, the bolt 14 and the nut When the grip K is rotated counterclockwise from the position shown in FIG. As shown in FIG. 8, the jumper is formed within the range of about 45 degrees which is the forming angle of the long hole 12b. It is possible to adjust the horizontal lead-in angle of the wire 6 steplessly. Therefore, support insulator The horizontal pull-in angle of 45 degrees can be adjusted above and below 7, respectively. Adjust the horizontal pull-in angle up to 90 degrees to any position As a result, as shown by the solid line in FIG. 4, the jumper wire 6 can be pulled in horizontally. The angle can be adjusted to an appropriate angle according to the horizontal lead-in angle of the power transmission line 5. In contrast, the jumper wire 6 can be curved by being greatly deformed as shown by the chain line in the figure. Without, it is impossible and no extra force is applied to the jumper wire 6 and the support insulator 7. The work of mounting the jumper wire 6 can be easily performed.

[0015]   The invention is not limited to the above-mentioned embodiment, and is shown in FIG. 10, for example. As shown in the figure, the connecting bolt 19 is projectingly provided on the upper end of the grounding side connecting fitting 9, and the bolt 19 is attached to the bolt. The mounting plate 20 having the four bolt insertion holes 20a formed at four positions is engaged with the nut 21. After tightening and fixing the connecting bracket 9 and the mounting plate 20 at a predetermined mounting angle, The plate 20 is attached to the support arm 2 with the bolt 10 and the nut 11, The structure shown in FIG. 10 is applied to the grip K side, or the long holes 9b, The number of 12b can be changed and embodied by changing it arbitrarily.

[0016]

[Effect of device]

  As described in detail above, this device is designed to jumper according to the horizontal lead-in angle of the distribution line. -The wire can be grasped at an appropriate angle, and it is impossible for jumper wires and support insulators. The effect that the mounting work can be done easily without applying any force. There is.

[Brief description of drawings]

FIG. 1 is an exploded perspective view of a jumper wire support insulator embodying the present invention.

FIG. 2 is a front view of a jumper wire support insulator.

FIG. 3 is a front view showing the entire tension insulator device.

FIG. 4 is a plan view showing the entire tension insulator device.

FIG. 5 is a plan view of a ground side connecting fitting.

FIG. 6 is a plan view in which a mounting angle of a grounding side connecting fitting is changed.

FIG. 7 is a bottom view showing a mounting state of the grip plate.

FIG. 8 is a bottom view in which the mounting angle of the grip plate is changed.

FIG. 9 is a bottom view showing the grip plate changed to the maximum adjustment angle.

FIG. 10 is a partially exploded perspective view showing another embodiment of the present invention.

FIG. 11 is a front view showing a conventional jumper wire support insulator.

FIG. 12 is a schematic front view showing the entire tension insulator device.

[Explanation of symbols]

7 Jumper Wire Support Insulator, 8 Insulator Main Body, 9 Grounding Side Connecting Metal Fitting, 9a Flange Part, 9b Long Hole, 12 Power Supply Side Connecting Metal Fitting, 12a Flange Part, 12b Long Hole, 13
Grip plate, 13b insertion hole, 14 bolt, 16
Support bolts, 17 clamp fittings, K gripping fittings.

Claims (2)

[Scope of utility model registration request] 1. A jumper wire support insulator in which a grounding side connecting metal fitting is fitted and fixed to one end of an insulator body, and a gripping metal for grasping a jumper wire is attached to the other end of the insulator main body. A jumper wire support insulator which is provided with an adjusting means for steplessly adjusting an attachment angle of the insulator main body around an axis of the insulator main body. 2. A jumper wire support insulator in which a grounding side connecting metal fitting is fixed to one end of an insulator body, and a gripping metal fitting for gripping a jumper wire is attached to the other end, wherein the jumper wire is horizontally drawn into the gripping metal fitting. A jumper wire support insulator characterized by being provided with adjusting means for steplessly adjusting the corners.