JP2676194B2 - Fixture for wire protection cover with joint - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention is a joint for preventing damage to the coating of an overhead wire by contacting the overhead wire with a building, a tree or the like in the vicinity, or by contacting the overhead wire during construction. The present invention relates to a fixture for fixing an attached electric wire protection cover so as not to move or rotate along the overhead electric wire.

[0002]

2. Description of the Related Art Such a wire protection cover with a joint is
It is used by expanding the split part provided on the lower side in the longitudinal direction and attaching it to the overhead wire, but to prevent the protective wire cover with joint from moving along the overhead wire, protect the wire with joint. The handle provided on the joint of the cover and the overhead wire are tied with a wire or the like, or fixed with a locking tool or the like.

However, such a fixing means is liable to be loosened, is time-consuming, requires a dangerous work, is not good in appearance, and the electric wire protective cover with a joint is often twisted by being rotated by a side wind. There was a risk that it would be upside down due to strong winds and the split part would come up and fall off. Therefore, the present invention provides a fixing tool for the electric wire protective cover with a joint for securely fixing the electric wire protective cover with a joint so as not to rotate or move so that the electric wire protective cover with a joint can be used in a stable state. It is intended to provide.

[0004]

In order to achieve such an object, a fixture for a wire protective cover with a joint according to the present invention comprises:
A fixture provided with elasticity for fixing a wire protection cover with a joint to be mounted on an overhead wire to the overhead wire, wherein the center of the cylindrical body on both ends of which the overhead wire is open An electric wire insertion port that communicates with the hollow interior is opened, and one end of the cylindrical body is connected to the electric wire insertion port and the other end is an open end on the one side front surface portion and the other side rear surface portion with the electric wire insertion opening interposed therebetween. An opening groove is formed to reach and a wire gripping portion having a C-shaped cross section is provided on both sides of the cylindrical body for firmly gripping the overhead wires inserted through the opening groove.
Further, a plate-like piece is vertically provided on the lower surface of the cylindrical body along the longitudinal direction thereof, and for fixing on the upper surface of the cylindrical body, fitted to the connecting portion of the electric wire protection cover in the vicinity of the electric wire insertion port. It is configured by protruding ribs.

[0005]

[Operation] The plate-like piece vertically hung on the lower surface of the cylindrical body of the fixture is sandwiched by a hot stick and lifted up, and the plate-like piece is twisted with the overhead wire inserted in the wire insertion port, and the cylinder is aerial. The fixing tool is fixed to the overhead wire by fitting the overhead wire into the hollow inside of the cylindrical body through both opening grooves along the wire and firmly gripping it by the gripping portions of both wires. The electric wire protective cover with a joint attached to the overhead wire is drawn to one end (right end) of the fixing device fixed in this way, and the fixing device is inserted into the joint pipe provided at the one end (left end) of the cylindrical body. The fixing rib protruding on the upper surface is inserted into the connecting portion provided on the joint pipe and fixed. Further, insert the other end (right end) of another wire protection cover from the other end (left end) into the joint pipe into which the fixture has been inserted, and project the gooseneck portion formed around the tip thereof into the connecting portion. Try to connect them in sequence.

[0006]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of a fixture for a wire protection cover with a joint according to the present invention will be described below with reference to the drawings. FIG. 1 is a perspective view of a fixture of an electric wire protective cover with a joint, FIG. 2 is a front view thereof, FIG. 3 is a plan view thereof, and FIG. 4 is a side view thereof.
In the figure, reference numeral 1 is a polyethylene resin cylindrical body having an inner diameter such that the overhead wire W is tightly inserted and having a required length with both ends open. An electric wire insertion port 2 that communicates with the hollow interior E of the cylindrical body 1 and makes an angle of 45 degrees with respect to the axis of the cylindrical body 1 is provided at the center of the cylindrical body 1 in the longitudinal direction. Further, as shown in FIG. 2, one end of each of the right front surface portion and the left rear surface portion of the cylindrical body 1 sandwiching the electric wire insertion opening 2 has the electric wire insertion opening 2 respectively.
Opening grooves 3 and 3 which are continuous with the other end and reach the open end are formed, and the electric wire gripping portion 4 having a C-shaped cross section for firmly gripping the overhead electric wires W fitted and inserted on both sides of the cylindrical body 1, respectively.
4 are provided. Further, the planar shape of the cylindrical body 1 is shown in FIG.
As shown in, the center line is formed to be slightly deflected to the left and right of the electric wire insertion opening 2 as a boundary. And the cylindrical body 1
An inverted mountain-shaped plate-like piece 5 is integrally provided on the lower surface of the cylinder along the lengthwise direction thereof, and the upper surface of the cylindrical body 1 is provided with an electric wire which will be described later in the vicinity of the electric wire insertion port 2. Protective cover P
A fixing rib 6 that fits into the connecting portion 9 of the above is provided upright.

Next, the use of the thus-formed fixture F will be described. First, the lower end of the inverted mountain-shaped plate-shaped piece 5 of the fixing tool F is attached to the overhead wire W to which the electric wire protection cover P with a joint is attached in advance, as shown in FIG. 6 and lift it up, and as shown in FIG. 6 (the hot stick is omitted from FIG. 6), the electric wire insertion port 2 is brought closer to the electric wire insertion port 2 so that the electric wire insertion port 2 matches the overhead electric wire W, and the electric wire insertion port 2 is inserted. Fit the overhead wire W. In this state, the hot stick holding the plate-shaped piece 5 of the fixture F is twisted in the direction shown by the arrow in FIG. The overhead wire W is fitted through the opening grooves 3 and 3 that are open in opposite directions on the side, and the overhead wire W is firmly gripped by the wire gripping portions 4 and 4 as shown in FIG. The fixture F gripped in this way is given a sufficient gripping force by the elasticity of the electric wire gripping portions 4, 4 due to the C-shaped cross section, so that it is firmly fixed to the overhead wire W and follows the overhead wire W. Movement in the lateral direction and the rotational direction is prevented.

At this time, as described above, the electric wire insertion port 2 of the fixing tool F is provided so as to be inclined with respect to the central axis of the cylindrical body 1 at an angle of 45 degrees.
The hollow inside E of the electric wire, that is, the electric wire gripping portions 4 and 4 is easily inserted, and the fixing tool F abutted so as to intersect the overhead electric wire W is rotated by 45 degrees, so that the fixing tool F is moved. It can be inserted easily, quickly and smoothly.

In this way, the wire protection cover P with a joint, which is previously attached to the overhead wire W, is sandwiched between the hot sticks on one end (right end) of the fixture F fixed to the predetermined location of the overhead wire W. When it is clamped by the part 7 and moved close to it,
The overlapping pieces 8, 8 at the lower end of the joint pipe C provided at the left end of the electric wire protective cover P with joints are pushed and spread by the plate-like piece 5 of the fixture F, and the joint pipe C is covered with the fixture F and fixed. The fixing rib 6 projecting from the upper surface of the cylindrical body 1 of the tool F is fitted to the connecting portion 9 provided around the joint pipe C with a step and having a large diameter so that the joint pipe C is joined to the fixture F. (See FIGS. 9 and 10). And the electric wire protection cover P with a joint connected to the fixture F
Since the overlapping pieces 8 of the joint pipe C sandwich the plate-like piece 5 of the fixture F, the fixture F is fixed in a stable state without rotating together with the fixture F.

Further, another electric wire protection cover P with a joint is connected to the other end (left end) of the fixture F having the electric wire protection cover P with a joint connected and fixed to the one end (right end) in this way. In this case, the gooseneck portion G provided at the opposite end of the electric wire protective cover P with a joint attached to the overhead electric wire W is inserted into the connecting portion 9 of the joint pipe C to be fitted therein. (See Figure 11). In this way, the two electric wire protective covers P and P with joints are connected to each other by fixing the gooseneck G provided at one end of the electric wire protective cover P with joints to the connecting portion 9 of the joint pipe C. Because it is a thing,
The fixture F does not become overly bulky and get in the way.

When a plurality of joint-attached wire protection covers P, P ... Are mounted over the long portion of the overhead wire W, a plurality of joint-attached wire protection covers P that are continuously mounted.
The gooseneck part G at one end is fitted and connected to the connecting part 9 of the joint pipe C, but the fixture F of the present invention may be used by fixing it to all parts of the joint pipe C, or You may make it select and use for the joint pipe C of the suitable electric wire protection cover P, and fix it.

When the fixing rib 6 of the fixture F fixed to the overhead wire W and the connecting portion 9 of the joint pipe C do not coincide with each other, the plate-like piece 5 of the fixture F is sandwiched by the hot sticks 7.
, And rotate in the direction to separate it from the overhead wire W,
Once the fixing tool F is not removed from the overhead wire W, the fixing tool F is moved to an appropriate position and the fixing tool F is fixed to the overhead wire W again by the same method as described above.

The fixing tool F used in this manner exhibits spring elasticity because the electric wire gripping portions 4, 4 are C-shaped in cross section by the opening grooves 3, 3 and the electric wire gripping portions 4, 4 are exerted.
It is firmly fixed to the peripheral surface of the overhead wire W gripped in 4. Further, as shown in FIGS. 9 to 11, the inverted mountain-shaped plate-like piece 5 protruding to the lower surface is fixed so as to project downward from the split portion of the joint pipe C and the electric wire protective cover P with joint. Therefore, it is possible to prevent the electric wire protective cover P with a joint from rotating and twisting due to a side wind or the like, and from being turned upside down by strong wind and dropping. Further, whether or not the fixing tool F is used can be easily confirmed from the ground by the plate-like piece 5 of the fixing tool F.

[0014]

As described above, in the fixture for the electric wire protective cover with a joint according to the present invention, the plate-like piece hung vertically on the lower surface of the cylindrical body of the fixture is sandwiched by a hot stick and is safe by remote control. And hold it to the overhead wire to secure it to the fixture, pull the wire protection cover with a joint previously attached to the overhead wire to this fixture, and then attach the fitting protection cable to the cylindrical body of the fixture. By covering the joint pipe, the fixing rib of the fixture is connected and fixed to the connecting portion of the joint pipe, so that the electric wire protective cover with a joint can be connected easily and quickly. Then, in the connected state, the fixing device is firmly fixed to the overhead wire by the gripping force of the wire gripping portion with spring elasticity, and movement in the lateral direction and the rotation direction along the overhead wire is blocked. In addition, it is possible to reliably prevent the electric wire protective cover with the joint from rotating and twisting due to a side wind, etc., or to prevent the split portion from being turned upside down and to be dropped, thus enabling safe use.

[Brief description of the drawings]

FIG. 1 is a perspective view of a fixture according to the present invention.

FIG. 2 is a front view of the same.

FIG. 3 is a plan view of the same.

FIG. 4 is a side view of the same.

FIG. 5 is a perspective view showing a state in which the plate-shaped piece is clamped by a clamp portion of a hot stick.

FIG. 6 is a perspective view showing a state in which an electric wire insertion port of the fixture main body is brought close to an electric wire.

FIG. 7 is a plan view for explaining a state in which an electric wire is inserted into the electric wire insertion port and the fixing tool is rotated by 45 degrees.

FIG. 8 is a plan view showing a state in which an overhead wire is gripped by the wire grip portion of the fixture.

FIG. 9 is a cross-sectional view showing a state in which the joint pipe of the electric wire protective cover with a joint is attached to the fixture fixed to the overhead wire.

FIG. 10 is a sectional view taken along line AA of FIG. 9;

FIG. 11 is a cross-sectional view showing a state in which another electric wire protection cover is fixed to a state in which the fixing tool and the electric wire cover with a joint shown in FIG. 9 are attached.

[Explanation of symbols]

 1 Cylindrical body 2 Electric wire insertion port 3,3 Opening groove 4,4 Electric wire gripping part 5 Plate piece 6 Fixing rib C Joint pipe E Hollow inside F Fixing device P Joint electric wire protective cover W Overhead electric wire E Hollow inside

Claims (1)

(57) [Claims] 1. A wire protection with a joint mounted on an overhead wire
Equipped with elasticity to fix the cover to the overhead wire
It is a fixture and is installed on the central upper surface of the cylindrical body with both ends open where the overhead wire is inserted.
An electric wire insertion port communicating with the hollow inside of the cylindrical body is opened,
One side front surface and the other side rear surface of the cylindrical body sandwiching the wire insertion port
One end is connected to the electric wire insertion port and the other end
Open the opening groove that reaches the open end, and
Insert the aerial wires that are inserted through the opening grooves.
An electric wire grip section with a C-shaped cross section is provided for gripping with the scale.
Vertical set of plate-like pieces along its longitudinal direction underside portion of the serial cylinder
The upper surface of the cylindrical body close to the wire insertion port.
The projection for the fixing rib that fits into the connection part of the wire protection cover.
Fixing of the electric wire protective cover with a joint characterized by being installed
Utensils.