JPH05176441A - Device for taking ice and snow off cable - Google Patents

Abstract

PURPOSE:To enable the ice and snow dropping work to be done safely and easily without excessively giving partial external force to a cable, and enable it to be removed even if the ice and snow are in frozen condition. CONSTITUTION:This device for taking ice and snow off a cable is equipped with an ice and snow dropping crawler 1 comprising pieces 1a for dropping ice and snow capable of collapsing and letting the ice and snow 11 fall off a cable 10 and rubber pieces 1b for traveling, a traveling propulsion crawler 2 comprising rubber pieces 1b for traveling, an ice and snow crushing cutter 5 provided at the top in advance direction, and a power source 8 for rotating the ice and snow dropping crawler 1, the traveling propulsion crawler 2, and the ice and snow crushing cutter 5 in the advance direction through a chains of transmitting members. Furthermore, the ice and snow dropping crawler 1 and the traveling propulsion crawler 2 have the constitution of catching a cable 10 from above and below through an elastic mechanism 3.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a device for removing ice from snow on electric wires, and more particularly, to enable safe and easy operation of ice and snow without excessively applying a partial external force to the electric wires.
Further, the present invention relates to a device for removing ice from snow on an electric wire, which can be removed even when the ice and snow are in a hard frozen state.

[0002]

2. Description of the Related Art The icing snow on an electric wire often grows to a large diameter in a short time, which increases the tension of the electric wire and causes a wire breakage accident, or a three-jump or galloping due to wind pressure. Such abnormal vibration may occur, which may lead to a serious accident such as a short circuit between phases.

For this reason, it is one of the major problems to drop such icy snow on the electric wire.

FIG. 2 shows a conventional method for removing ice from snow on an electric wire, which is a method of hitting the electric wire 10 with a rod 12 manually to cause the snow 11 to collapse and fall, which is adopted as a simple and reliable method. Further, as shown in FIG. 3, the roller 13 is arranged on the upper portion of the electric wire 10 and the rope 1 is used by using the rope 14.
A method of scraping the ice and snow 11 by towing 4 in the direction of the arrow is also adopted.

[0005]

However, according to the conventional method of icing snow on an electric wire, the method of hitting the electric wire with a rod manually can be applied to an ordinary electric wire.
When the target is an OPGW (optical fiber composite overhead ground wire) or an overhead optical cable, a partial external force is excessively applied to the electric wire, which may adversely affect the internal optical fiber and deteriorate the performance. .. Further, since the work is performed in bad weather conditions in winter, this manual method is not preferable in terms of safety.

Further, in the method of towing the roller from below, it is effective if the icing snow is a sherbet-like soft one, but when it becomes hard icy, the roller itself does not move and the icy snow falls. It cannot be removed. Further, in the case of this freezing condition, it is difficult to remove the electric wire even by the method of hitting with a rod.

Accordingly, an object of the present invention is to provide a device for removing snow from icing on an electric wire, which can safely and easily perform icing and snowing work without excessively applying a partial external force to the electric wire.

Another object of the present invention is to provide an ice accretion snow removing device for an electric wire, which can collapse and drop ice and snow even when the ice and snow is in a hard frozen state.

[0009]

In view of the above-mentioned problems, the present invention provides safety without excessively applying a partial external force to an electric wire,
In addition, it is possible to easily carry out ice-and-snow work, and in order to be able to remove even if the ice-and-snow is in a hard frozen state, the ice-and-snow pieces for traveling and the ones for traveling, which can cause the ice-and-snow of electric wires to collapse and fall. A series of transmission members including a falling snow crawler composed of rubber pieces, a traveling propulsion crawler composed of traveling rubber pieces, an ice breaking snow cutter provided at the tip in the traveling direction, an ice falling snow crawler, a traveling propulsion crawler, and an ice breaking snow cutter. The present invention provides a snow accretion device for icing an electric wire, the device including a power source for rotating the electric wire in the traveling direction via the.

The ice-and-snow crawler is arranged above the electric wire, and the traveling and propelling crawler is arranged below the electric wire. The traveling-propulsion crawler sandwiches the electric wire with the ice-and-snow crawler to assist traveling propulsion. The ice-and-snow crawler and the traveling propulsion crawler are connected via a telescopic mechanism,
For example, an obstacle such as a damper attached to the electric wire can be avoided by expanding and contracting the traveling propulsion crawler. As the power source, for example, an electric type using a battery, an engine type, or the like can be applied.

[0011]

The device for removing ice from snow on electric wires according to the present invention is capable of collapsing and dropping iced snow on electric wires by sandwiching the electric wire between the snow crawler crawler and the traveling propulsion crawler and running it.
Since it does not require human power, it does not depend on weather conditions, etc., and it is safe and easy to perform snow and ice work. In addition, because the surface pressure on the electric wire is dispersed in the falling snow by the falling snow crawler, the partial concentration of external force such as when hitting with a rod is eliminated, so even if the wire has an optical fiber built-in, the performance will deteriorate. There is no fear of Further, since the ice-breaking snow cutter is provided at the tip in the traveling direction, it can be removed even when the ice and snow is in a hard frozen state.

[0012]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS A wire icing / snow removing device for electric wires according to the present invention will be described in detail below with reference to the accompanying drawings.

FIG. 1 shows an embodiment of the present invention. This ice accretion / snow removing device is arranged on an upper portion of the electric wire 10 and has a function of traveling and ice / snow falling snow crawler 1 and electric wire 10.
Which is arranged at the lower part of the electric vehicle, the electric propulsion crawler 2 for supporting the traveling propulsion by sandwiching the electric wire with the snow crawler 1, the ice-breaking snow cutter 5 for breaking down the ice snow 11 hanging under the electric wire 10, and the snow-falling snow. It is composed of a crawler 1, a traveling propelling crawler 2, and a power source 8 for rotationally driving the ice-breaking snow cutter 5 in the traveling direction (arrow direction).

The ice-and-snow crawler 1 includes a metal ice-and-snow piece 1a and a running rubber piece 1 such as urethane rubber or hard rubber.
b has the weight of the entire apparatus added thereto, so that the solid weight can be used to break and drop the solid ice.

The traveling propulsion crawler 2 includes a traveling rubber piece 1b.
It is made up of only one, and is connected to the ice-and-snow crawler 1 via the expansion / contraction / power transmission mechanism 3. The expansion / contraction / power transmission mechanism 3 transmits the driving force from the power source 8 to the snow-and-ice crawler 1 and imparts the expansion / contraction function to the traveling propulsion crawler 2, for example,
An obstacle such as a damper attached to the electric wire can be avoided by moving the traveling propulsion crawler 2 up and down.

The ice-breaking snow cutter 5 is supported by the spring 7 from the falling snow crawler 1 and by the power transmission chain 4 from the traveling and propelling crawler 2 at a position below the tip of the electric wire 10 in the traveling direction, and from the power source 8. Is driven by the traveling and propelling crawler 2 and the power transmission chain 4 to rotate. A claw 6 is provided on the outer edge portion of the ice-breaking snow cutter 5, and the ice snow 11 is collapsed and dropped by the rotation.

The power source 8 provides a driving force to the traveling propulsion crawler 2 as described above. The driving force provided to the traveling and propelling crawler is provided to the falling snow crawler 1 and the ice breaking snow cutter 5 via a series of transmission mechanisms. As the power source 8, an electric type using a battery, an engine type or the like can be applied, and by operating a control box 15 provided via a cable 9, it is possible to move forward, reverse, stop, and open and close the upper and lower crawlers. There is.

In the above structure, when the electric wire 10 is sandwiched between the falling snow crawler 1 and the traveling propulsion crawler 2 from above and below and the forward movement is performed from the control box 15, the power source 8 provides a driving force to the traveling propulsion crawler 2. The traveling propulsion crawler 2 that receives the driving force starts traveling in the direction of the arrow, and at the same time the power transmission chain 4 and the expansion / contraction / power transmission mechanism 3
The driving force is transmitted to the ice-breaking snow cutter 5 and the ice-falling snow crawler 1 via the. When the device advances in this way, the snow-and-ice crawler 1 reduces the weight of the entire device by the electric wire 10.
In addition to the ice-and-snow 11 of FIG. 1, even the hard ice-snow 11 is collapsed and dropped by the action of the ice-and-snow piece 1a, and the ice-breaking snow cutter 11 provided at the tip of the traveling direction removes the ice-and-snow 11 hanging from the lower part of the electric wire 10. Shatter.

As described above, the operation of falling snow can be performed safely and easily by simply sandwiching the electric wire 10 between the falling snow crawler 1 and the traveling propulsion crawler 2 and running it, and a partial external force is applied to the electric wire. Moreover, the ice-breaking snow can be easily removed by the action of the ice-breaking snow cutter.

[0020]

As described above, according to the icing / snow removing device for electric wires of the present invention, a crawler for icing / snowing composed of a piece for icing snow and a rubber piece for traveling capable of collapsing and dropping iced snow on an electric wire, and traveling. Drive propulsion crawler consisting of rubber pieces, an ice-breaking snow cutter provided at the tip of the advancing direction, a drive for rotating the falling ice snow crawler, the traveling propulsion crawler, and the ice-breaking snow cutter in the advancing direction via a series of transmission members. Since it is provided with the means, it is possible to perform the snow-and-ice work safely and easily without excessively applying a partial external force to the electric wire. Also, even if the ice and snow is in a hard frozen state, it can be collapsed and dropped.

[Brief description of drawings]

FIG. 1 is an explanatory view showing an embodiment of the present invention.

FIG. 2 is an explanatory view showing a conventional method for removing snow from icing on an electric wire.

FIG. 3 is an explanatory view showing a conventional method for removing snow from icing on an electric wire.

[Explanation of symbols]

1 Snow-fall snow crawler 1a Snow-fall snow piece 1b Travel rubber piece 2 Travel propulsion crawler 3 Extension / power transmission mechanism 4 Power transmission chain 5 Ice-breaking snow cutter 6th 7 Spring 8 Power source 9 Code 10 Electric wire 11 Ice-snow 12 Rod 13 Roller 14 Rope 15 Control box

 ─────────────────────────────────────────────────── ─── Continuation of front page (72) Inventor Minoru Tsukada 374 Asahiyama, Takada, Aomori City, Aomori Prefecture Tohoku Electric Power Co., Inc. Aomori Technical Center (72) Inventor Akira Takahata 1500 Kawajiri-cho, Hitachi City, Ibaraki Hitachi Cable Co., Ltd. Company Toyoura factory

Claims (1)

[Claims] Claim: What is claimed is: 1. An ice-snow crawler composed of a piece for falling ice and a rubber piece for traveling, a traveling propulsion crawler composed of a traveling rubber piece, and an ice-breaker provided at the tip in the traveling direction. A snow cutter, and a power source for rotating the ice-and-snow crawler, the traveling and propelling crawler, and the ice-breaking snow cutter in the traveling direction via a series of transmission members. An icing / snow removing device for an electric wire, characterized in that the electric wire is clamped from above and below via a mechanism.