JPH03218215A - Apparatus for removal of snow-accretion-free ring of transmission line - Google Patents

Abstract

(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

DETAILED DESCRIPTION OF THE INVENTION [Industrial Field of Application] The present invention relates to a device for automatically removing a snow prevention ring attached to a power transmission line.

[Prior art] If a large amount of snow accumulates on overhead power lines, there is a risk of an accident, so to prevent snow from accumulating, anti-snow rings are attached to the power lines at regular intervals. For the snow ring, attach a synthetic resin anti-snow ring B as shown in Figure 4 around the power transmission line, and fix the fitting ends 20 and 21 using ring installation pliers 22 as shown in Figure 6. It is attached to the power transmission line A as shown in Figure 5.

Conventionally, in order to remove the anti-snow ring B from the power transmission line A, the above-mentioned ring-installing pliers 22 are used to hook the toes 23 of the pliers 22 onto the fitting parts 20 and 21 of the anti-snow ring B, and then manually pull. It had been removed from the power line.

[Problems to be Solved by the Invention] As described above, the conventional method of manually removing the anti-snow ring from the power transmission line using a bench has poor work efficiency, increases worker fatigue, and causes high labor costs. There was a problem in that it was difficult to remove anti-snow rings from overhead power transmission lines.6 The present invention automatically and continuously removes anti-snow rings from overhead power transmission lines and removed power lines. It is an object of the present invention to provide a power transmission line anti-snow ring removal device that can be quickly removed.

[Means for Solving the Problems] In order to achieve the above object, the power transmission line anti-snow ring removal device of the present invention has the following features: (1) Circumferential protrusions are formed in semicircular grooves 3a and 3b on the outer periphery of the roll. Two ring removal rolls 2a, 2 provided with strips 4, 5
b is arranged with the outer peripheries fi 3a and 3b facing each other, and the power transmission tlAA with the anti-snow ring is sandwiched and continuously passed between the semicircular outer peripheries 3a and 3b of both rolls 2a and 2b, and both rolls 2a and 2b are Projections 4, 5 of semicircular outer circumference 3a, 3b
(2) Also, an automatic traveling drive device 9 that runs on an overhead power transmission line is connected to the main body 1, The anti-snow ring attached to the power transmission line is removed by the protrusions 4 and 5 of the semicircular outer circumferential grooves 3a and 3b of the ring removal rolls 2a and 2b while traveling on the overhead power transmission line, (3) In addition, a wire winding device 13 for winding the wire that has passed through the ring removal roll is attached to the main body 1, and the removed power transmission wire is continuously rolled between the semicircular outer circumferential grooves 3a and 3b of both rolls 2a and 2b. The anti-snow ring can be removed by passing it through.

[Function] The power transmission line A with the anti-snow ring, which is passed continuously between the semicircular outer circumferential grooves 3a and 3b of the two ring removing rolls 2a and 2b, is attached to the electric wire at regular intervals. A large number of anti-snow rings B are successively sandwiched between the semicircular outer circumferential grooves 3a and 3b of both rolls 2a and 2b, and are crushed by being pressed by the protrusions 4 and 5 protruding from the surface of these semicircular outer circumferential grooves.
When the chick snow ring is broken, it automatically falls off from the wire one after another,
removed.

In addition, by running the automatic driving device 9 connected to the power transmission line snow ring removal device on the overhead power transmission line, the power transmission line snow resistance ring removal device can be installed at regular intervals while quickly traveling on the overhead power transmission line. The anti-snow accretion ring B is automatically and sequentially pressed to crush, break and remove.

In addition, by continuously winding up the removed power transmission line with the snow removal ring using the attached electric wire winding device 13, the snow removal ring is automatically crushed one after another from the removed power transmission line.
Break and remove.

[Examples] Examples of the present invention will be described below with reference to the drawings. FIG. 1 shows a first embodiment of the power transmission line snow ring removal device of the present invention, where 1 is the device main body, and 2a and 2b are a pair of ring removal rolls attached to the main body 1. be.

These ring removing rolls 2a and 2b are as shown in the second diagram.
Each semicircular outer peripheral groove 3a, 3b on the outer periphery of each roll 2a, 2b
ridges 4 and 5 are provided in the circumferential direction, and the tips of the ridges protrude from the surface of the groove.

In the embodiment shown in the first drawing, protrusions 4a, 4b, 4c, and 5a are provided at the center and both sides of the semicircular outer circumference of each roll 2a, 2b.
, 5b, and 5c are shown, but the protrusions 4,
The number of 5s is not limited to three at the center and both sides of the circumferential groove as in the embodiment shown in the first drawing, but may be one, 5, 2, or more.

6a and 6b are axes of each roll 2a and 2b.

The two ring removing rolls 2a and 2b are arranged one above the other in the main body 1 with the semicircular outer grooves 3a and 3b of both rolls 2a and 2b facing each other as shown in the first figure, and both semicircular outer circumferential grooves 3a
, 3b so that the power transmission line A with the anti-snow ring is inserted between them. Both rolls 2a and 2b are provided with an appropriate fixed position adjustment device so that the distance between the opposing semicircular outer circumferential grooves 3a and 3b can be adjusted in accordance with the diameter of the power transmission line A with a snow accretion ring sandwiched between them. and attach it to main body 1.

7 is a roll drive device using a motor etc., and main body 1
and drive and rotate both rolls 2a and 2b. 8 is a belt or chain that is connected to the rolls and the drive device 7, and by driving and rotating the lower roll 2b and the upper roll 2a, a belt or chain 8 is provided between the opposing semicircular outer peripheries 3a and 3b of both rolls 2a and 2b. The power transmission line A with the snow accretion ring is passed through while being continuously pinched.

When both rolls 2a and 2b are driven and rotated, the entire apparatus moves over the overhead power transmission line A while the rolls 2a and 2b sandwich the overhead power transmission line A and press and remove the chick snow accretion ring B.

Note that the automatic travel drive device 9 using a motor etc. is the main body 1.
The power transmission line anti-snow ring removal device may be connected to the overhead power transmission line and thereby automatically run on the overhead power transmission line.

Reference numeral 10 denotes a ring dropping device provided on the wire exit side of the ring removing rolls 2a, 2b;
Crushed by the protrusions 4 and 5 of the semicircular outer circumferential grooves 3a and 3b of b,
In order to completely remove the broken snow removal ring B from the electric wire, the anti-snow ring that has passed between the rolls 2a and 2b is pressed from the side. This ring dropping device 10 is provided as necessary when the hard-to-snow ring cannot be completely removed from the electric wire by crushing and breaking by both rolls 2a and 2b.

11a, 1lb and 12a, 12b are guide wheels provided as necessary at the front of the wire inlet side and the rear of the wire outlet side of the ring removal rolls 2a, 2b, so that the wires can be easily straightened without bending. Make sure it passes between 2b. In order to prevent damage to the overhead power transmission line when the power transmission line anti-snow ring removal device travels on the overhead power transmission line A, the outer periphery of the guide ring is covered with rubber or the like.

The transmission line anti-snow ring removal device according to the first embodiment of the present invention configured as described above is installed on an overhead power transmission line A, and the semicircular outer circumferential groove 3a of the ring removal rolls 2a and 2b faces each other.
, 3b, and an overhead power transmission line A with a snow-resisting ring is sandwiched between the rolls 2a, 3b.
Drive and rotate b. When both rolls 2a and 2b are driven and rotated, both rolls 2a and 2b rotate while sandwiching the overhead power transmission line A with the anti-snow ring, so that the device itself moves in the direction of the arrow in FIG. The anti-snow ring B, which is attached to the overhead power transmission line at regular intervals, is cleaned by the semicircular outer periphery 3a of both rolls 2a and 2b facing each other.
, 3b, and are pressed by the protrusions 4 and 5 of the semicircular outer circumferential groove, crushed, broken, and removed from the overhead power transmission line.

At this time, by providing a ring dropping device 10 that presses the anti-snow ring coming out from between the rolls 2a and 2b from the side, the anti-snow ring can be prevented from completely falling off the overhead power transmission line and remaining. Even if it falls off completely, it can be removed. Further, by providing the automatic running drive device 9, the power transmission line detachment and snow ring removal device can be automatically and quickly moved on the overhead power transmission line, and the guide wheels 11a, 1lb
, 12a and 12b, the overhead power transmission line can be passed flatly between both rolls 2a and 2b, and a continuous ring removal operation can be performed safely.

In the embodiment shown in FIG. 3, the snow-resistant ring removing device in which the ring removal rolls 2a and 2b are provided on the main body 1 as described above is installed and fixed on the ground, and the removed power transmission line C with the snow-resistant ring is connected to both sides. A large number of chick snow accretion rings B, which are passed continuously between the rolls 2a and 2b and attached to the removed electric wire C at regular intervals, are sequentially pressed, crushed, broken, and removed. .

In this embodiment as well, nine anti-snow rings B are successively sandwiched between the semicircular outer circumferential cleaners 3a and 3b of the ring removing rolls 2a and 2b and pressed by the protrusions 4 and 5 of the semicircular outer circumferential grooves. The process of crushing, breaking, falling off and removing from the electric wire is the same as in the embodiment shown in the first drawing.

In the embodiment shown in the third figure, reference numeral 13 denotes a wire winding device for winding the removed overhead electric wire C. By installing this wire winding device 13 in the main body 1, the removed electric wire C
The anti-snow ring B can be automatically and quickly removed by passing it continuously between the rolls 2a and 2b while winding it up.

Further, 14 is a ring residue removing device provided on the wire exit side of the ring removing rolls 2a and 2b, and this
In cases where all parts of the hard-to-snow ring are not completely removed by crushing and breaking by . The anti-snow ring, which is made of a cylindrical body having an inner diameter several millimeters larger than the outer diameter of the electric wire, and which has passed between both rolls 2a and 2b, is placed inside the ring debris removal device 14 of this cylindrical body. Completely remove ring debris remaining on the north side of the wire by passing it through.

10 The transmission line anti-snow ring removal device of the present invention is configured to automatically and continuously remove the anti-snow ring as described above, and is similar to the ring removal device 1 of the first illustrated embodiment.
0 and the guide wheels 11 (ab) and 12 (ab) may be applied to the third illustrated embodiment, and the ring debris removal device fi14 of the third illustrated embodiment may be applied to the first illustrated embodiment. ,
The specific configuration of each part can be designed as appropriate.

[Effects of the Invention] As described above, the present invention is configured such that the snow-resistant ring is removed by continuously pinching the power transmission line with the snow-resistant ring between the ring removing rolls having protrusions, so that the snow-resistant ring can be removed without using a bench. Unlike the conventional method of removing the anti-snow ring manually, the removal work can be carried out automatically and continuously in an efficient manner.

In addition, by installing an automatic driving device that runs on the overhead power transmission line, it is possible to quickly remove the anti-snow ring while driving on the overhead power transmission line, and furthermore, by installing a wire winding device, the removed transmission It is possible to automatically and successively remove 11 baby snow accretion rings from electric wires.

[Brief explanation of drawings]

Fig. 1 is a diagram showing one embodiment of the present invention, Fig. 2 is a diagram showing a ring removing roll, Fig. 3 is a diagram showing another embodiment, and Fig. 4 is a diagram showing an embodiment of the present invention.
The figure shows a state in which the anti-snow accretion ring is opened, Fig. 5 shows a state in which the anti-snow accretion ring is attached to a power transmission line, and Fig. 6 shows a conventional tool. 2a, 2b; ring removal rolls 3a, 3b. Semicircular outer circumferential groove 4, 5, 4a, 4b, 4c, 5a, 5b, 5c
;Protrusion 9;Automatic travel drive device 13;Wire winding device

Claims (3)

[Claims] (1) A power transmission line with an anti-snow ring is sandwiched between two ring removing rolls having protrusions in a semicircular outer groove, and the anti-snow ring attached to the transmission line is pressed by the protrusions. A power transmission line anti-snow ring removal device characterized by being removable. (2) The power transmission line is difficult to attach to the power transmission line according to claim 1, characterized in that an automatic traveling drive device that runs on the overhead power transmission line is installed, and the anti-snow ring attached to the power transmission line is removed while traveling on the overhead power transmission line. Snow ring removal device. (3) A transmission line anti-snow ring according to claim 1, further comprising a winding device for the electric wire that has passed through the ring removal roll, and continuously removes the anti-snow ring while winding up the removed power transmission line. Ring removal device.