JPH03293414A - Snow-melting method for road and railway track and device therefor - Google Patents

Abstract

PURPOSE:To melt snow reliably and simply without being hindered by malfunction of the snow-melting device by a method wherein electrically conductive rubber sheets are laid and energized, and snow-melting is made therewith. CONSTITUTION:Electrically conductive rubber 1 made by mixing electrically conductive carbon with rubber is formed by stretching same in a sheet-like shape, and is cut into pieces in a site where a work is to be conducted. The pieces of the electrically conductive rubber 1 are bonded to lateral faces of rails of a track and to the upper faces of a sleeper 5. A specified amount of electric current is then applied to the electrically conductive rubber 1 through an electrification mechanism 2. With the electric current applied, the electrically conductive rubber 1 is heated, and thereby snow can be melted.

Description

Detailed Description of the Invention (Industrial Field of Application) The present invention relates to a method for melting snow on roads, sidewalks, grounds, etc. or on railway tracks, and the structure of the device, and particularly relates to a method for melting snow on roads, sidewalks, grounds, etc. or on railway tracks, and in particular, to The present invention relates to a snow melting method and snow melting device for roads and railway tracks, which melts snow and ice by energizing and generating heat in rubber.

(Conventional technology) In regions with heavy snowfall or extremely low temperatures, snow removal or ice prevention is essential to ensure road traffic and rail transportation, and snow removal has been carried out manually for a long time.

However, in recent years, in order to replace manual snow removal, which is difficult to implement due to work conditions and time, there has been a method of using snow removal vehicles such as Russell vehicles and rotary vehicles.
A method of sprinkling hot water etc. from a sprinkler as shown in Japanese Patent Publication No. 810, ■ A method of laying a heat dissipation sheet with heating wires etc. embedded in the ground surface as shown in Japanese Patent Application Laid-Open No. 61-117316, etc. Various snow melting methods have been developed, such as a method of melting snow using an infrared irradiator, as shown in Japanese Patent Application Laid-Open No. 61-233/08.

(Problems to be Solved by the Invention) However, all of the conventional methods described above require large-scale construction work or installation of equipment, and are prone to malfunctions due to abnormal snowfall or malfunction of outdoor equipment. In addition to the problem that snow removal equipment cannot be maintained unless strict maintenance and inspections are carried out from time to time, each of them also has the following drawbacks or problems.

First, with the method of using snowplows, it takes time for the work vehicle to be dispatched, which disrupts road traffic and train operation for a certain period of time, and there is also the problem that there is no place to clear the snow.

In addition, the method (2) of sprinkling warm water etc. from a sprinkler requires a large amount of water, which has the problem of depletion of groundwater etc. and the tendency to cause ground collapse.

Furthermore, with the method of laying heat dissipation sheets with heating wires embedded in the ground surface, due to unforeseen circumstances during the installation work, heating wires such as nickel wires or nichrome wires may break or malfunction due to poor contact. Moreover, it is difficult to process the sheet at the installation site, making it impossible to install the sheet according to the installation location.

Furthermore, the method of melting snow using an infrared irradiator has the problem that the installation location is limited and it is difficult to melt snow efficiently6.The present invention has been developed in view of the problems of the prior art. The purpose of this proposal is to provide a snow melting method and snow melting device for roads and railway tracks, which can be easily installed without carrying out large-scale construction work, and which can reliably melt snow without causing malfunction.

(Means for Solving the Problems) In order to solve the above-mentioned problems, the present invention provides a method for continuously or intermittently applying conductive rubber containing conductive carbon to the rubber along the road or railway track. By laying electricity through the conductive rubber through a current-carrying mechanism, the conductive rubber generates heat, and the heat is used to melt snow that falls on roads, railway tracks, and their surroundings. At the same time, this can prevent the formation of ice.

In addition, for the above method, a conductive rubber containing conductive carbon mixed into the rubber is laid continuously or intermittently along the road or railway track, and a road is equipped with a mechanism for supplying electricity to the conductive carbon. , which provides snow and water melting equipment for railway tracks.

The conductive rubber can be formed into various shapes such as a flat string, a sheet, or a cylinder depending on the road surface, the location of the railway track, the type of track, etc., to provide the optimal snow melting device for any location. obtain.

(Function) The conductive rubber of the present invention stably generates heat by itself when energized, so the conductive rubber may be laid continuously or intermittently along the road or railway track, or it may not be pasted. Can be installed simply by joining. In addition, this conductive rubber does not generate heat generation defects even if it is cut and processed freely, so it is possible to process it on-site according to the installation location, and the amount of heat generated can be adjusted freely, so it can be used to change the amount of snowfall. It can also correspond to Furthermore, since the device of the present invention does not select the current-carrying mechanism,
It can be used not only for general railway tracks and energized rails such as linear motor cars, but also for roads, grounds, etc.

Note that the shape of the conductive rubber can be freely adapted depending on the installation location and surrounding conditions, such as a sheet-like shape if the conductive rubber is installed on the negative side, or a flat string-like shape if the conductive rubber is installed only on the track.

(Example) Examples of the method and apparatus of the present invention will be described below with reference to FIGS. 1 to 3.

First, FIG. 1 is a perspective view showing an embodiment in which the snow melting device of the present invention is partially installed on the side surface of the railway track and on the top surface of the sleepers. 2 is an energizing mechanism including a lead wire for energizing the conductive rubber; 3 is a railway rail; 4 is a joining member between the sleeper 5 and the rail 3; The conductive rubber used in this example is a heat-resistant rubber such as neoprene rubber with conductive garbon black and metal flakes added as needed, and is extremely flexible and has a low calorific value. For example, when energized at 6■, it is about 4
The temperature can be stably increased from 0 to 120°C, and the amount of heat generated can be adjusted to an appropriate value depending on the conditions of the installation site, amount of snowfall, temperature, etc.

In this embodiment, the conductive rubber 1 is formed into a sheet with a thickness of about 3 W, cut into the shape shown in Fig. 1 at the installation site, and used by adhering it to the side surface of the track and the top surface of the sleeper. The conductive rubber 1 exhibits its function regardless of its shape or the like.

Depending on the conditions of the track location and its surroundings, it can be freely arranged in the form of a flat string if the track is the only one, or a sheet if it is laid on the negative side.

Further, the conductive rubber 1 can be installed by simply gluing it as described above, but since there is no change in the effect even if it is partially broken, it may also be fixed by nails, screws, clamps, or the like.

The thickness of this conductive rubber l is IWm, 61111
It is possible to make various adjustments such as 10 degrees, and any mechanism may be used as the energizing mechanism 2.

Here, implementation of the method of the present invention using the apparatus of the above embodiment will be explained. First, a predetermined amount of electricity is applied to the conductive rubber 1 via the energizing mechanism 2 of the apparatus of this embodiment installed as described above. Then, the conductive rubber 1 generates heat by itself due to the electricity. Therefore, snow can be melted very easily by the heat generated by the conductive rubber 1.

Further, FIG. 2 is a plan view showing a second embodiment of the snow melting device of the present invention, and in this embodiment, three sheet-shaped conductive The elastic rubber 1 is laid continuously over a certain section, and in areas where there is a lot of snowfall, the snow removal effect is remarkable when laid in this way. In this example, the conductive rubber is simply spread on the ground like a mat, but of course it may be fixed using various methods.

FIG. 3(a) is a sectional view showing a state in which the lower surface of the sheet-like conductive rubber l is covered with a heat insulating material 6 in the form of a housing.
Figure (b) is a cross-sectional view showing a state in which the lower surface of the sheet-like conductive rubber 1 is covered with a heat insulating material 6 and the upper surface is covered with a protective cover 7, and the conductive rubber 1 in each of the above embodiments is In this way, it may be used with a coating applied to only one side or both sides, or it may be used with a coating applied from the viewpoint of appearance.

Note that the snow melting device of the present invention is not limited to the above-mentioned embodiments, and may be installed on roads, grounds, etc., and if necessary, it may be embedded under railway tracks or attached in a cylindrical shape to the side of the rail. It is possible to install the cable in various ways such as.

(Effect of the invention) According to the snow melting method and snow melting device of the present invention described above,
Since it can be easily installed without major construction work and does not malfunction, snow and ice melting can be carried out extremely easily and reliably. Furthermore, since the amount of heat generated can be adjusted freely, snow and ice can be melted in response to changes in the amount of snowfall at the installation location and regional differences. What's more, it is possible to process the cable into a shape that matches the installation location on-site, and the current-carrying mechanism can be used regardless of the installation conditions, such as steep roads, points of railway tracks, and the current-carrying rails of linear motor cars. It can be easily installed even in places where snow is limited, and has very remarkable effects such as obtaining sufficient snow melting effects.

[Brief explanation of drawings]

FIG. 1 is a perspective view showing an embodiment in which the snow melting device of the present invention is partially installed on the rail side of a railway track and the top surface of sleepers, and FIG. 2 is a plan view showing a second embodiment of the snow melting device of the present invention. FIG. 3(a) is a sectional view showing a state in which the lower surface of the sheet-like conductive rubber 1 is covered with a heat insulating material 6 in the form of a housing, and FIG. 3(b)
) is a heat insulating material 6 on the bottom side of the sheet-like conductive rubber 1.
FIG. 3 is a cross-sectional view showing a state in which the upper surfaces of the two are each covered with a protective cover 7. 1... Conductive rubber 2... Current-carrying mechanism 3
...Railway track 5...Sleeper 6...
...Insulation material 7...Protective cover one

Claims (3)

[Claims] (1) A road characterized by continuously or intermittently laying a conductive rubber in which conductive carbon is blended into the rubber, and melting snow by applying electricity to the conductive rubber to generate heat;
How to melt snow on railway tracks. (2) A snow melting device for roads and railway tracks, characterized by continuously or intermittently laying conductive rubber containing conductive carbon mixed therein, and equipped with a mechanism for supplying electricity to the conductive carbon. . (3) The snow melting device for roads and railway tracks according to claim 2, wherein the conductive rubber is formed in the shape of a flat string, sheet, or cylinder.