JPH06280201A - Electric warm air snowmelter - Google Patents

Abstract

(57) [Summary] [Purpose] To obtain an electric warm air snowmelter that can efficiently perform snow melting at a point with a small amount of electric power. [Structure] The blower pipe 1 is connected and fixed to the tip of a blow-out duct 106 protruding forward. A plurality of warm air outlets 3 and 4 for guiding the warm air blowing direction in the front-rear direction of the stroke of the movable rail 102 are provided on the upper surface of the blower pipe 1 and in the middle of the stroke of the movable rail 102.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an electric hot-air snow melting machine installed at a point of a railway or the like.

[0002]

2. Description of the Related Art FIGS. 8 and 9 show a conventional electric warm air snow melting machine, FIG. 8 is a plan view showing a state where the electric warm air snow melting machine is installed at a point portion, and FIG. It is an AA sectional view. In the figure, 100 is a basic rail, 102 is a tongue rail that appropriately moves to change the direction of a train, 103 is a sleeper, 104 is a main body case of an electric warm air snowmelter mounted and fixed on the sleeper 103, and a main body case A suction port 105 is provided at the bottom of 104. Furthermore, body case 1
An outlet duct 106 having a substantially box-shaped cross section is provided on the side surface of the basic rail 100 of No. 04 so as to project toward the basic rail 100.

Reference numeral 107 denotes a mounting plate installed in the main body case 104, and a blower 108, a heater 110 having a radiation fin 109, and an overheat protector 111 are fixed to the mounting plate 107, respectively. Reference numeral 112 denotes a lid mounted and fixed on the upper surface of the main body case 104, 113 denotes a box-shaped air duct connected and fixed to one end of the air outlet duct 106, and the air duct 113 has a basic rail and a tongue rail 1.
It has a plurality of upper outlets 114 for blowing warm air toward the base rail 100 and a front outlet 115 for blowing warm air forward.

Next, the operation of the conventional electric hot-air snow-melting device constructed as described above will be described. When a switch (not shown) is turned on to energize the blower 108 and the heater 110, the blower 108 causes the suction port 1 of the main body case 104.
Air is sucked from 05 (in the direction of arrow A in the figure) and discharged toward the heater 110. The discharged air is warmed by the heater 110 to become warm air, and is discharged from the upper outlet 114 and the front outlet 115 of the blower pipe 113. Then, the warm air causes a snow melting action in the vicinity of the point portion. In addition, the steel plate on the upper surface of the blower pipe 113 was warmed by warm air, and the heat also performed auxiliary snow melting.

[0005]

The conventional electric hot-air snow-melting device is constructed as described above, and the snow-melting around the basic rail 100 is performed by the hot air blown out from the upper outlet 114, but the tongue rail 102 moves appropriately. The surrounding snowmelt could not be sufficiently performed because the warm air blown out from the front outlet 115 only melts the snow ahead and does not act effectively. For this reason, it is necessary to increase the heater capacity to raise the warm air temperature, and even if one point portion is used, a plurality of electric warm air snowmelters are used, and the power capacity becomes considerably high.
If all points were taken, the increase in power capacity would be enormous, and the power receiving equipment would also be large in scale, increasing costs and power charges.

The present invention has been made to solve the above problems, and an object of the present invention is to provide an electric warm air snowmelter capable of efficiently melting snow at a point portion with a small amount of electric power.

[0007]

In the electric warm air snowmelter according to the present invention, a warm air blowout port is provided on the upper surface of the blower pipe at an intermediate portion of the stroke of the movable rail, and the warm air blowout port is blown out from the warm air blowout port. The direction is the front-back direction of the stroke of the movable rail.

A plurality of hot air outlets are provided in the stroke section of the movable rail on the upper surface of the blower pipe, and the pitch of the warm air outlets in the stroke direction is formed shorter than the rail width of the movable rail.

[0009]

The plurality of warm air outlets provided on the upper surface of the blower pipe guide the warm air blowing direction in the stroke front-back direction of the movable rail to melt the snow in the vicinity of the movable rail and the sliding surface of the movable rail.

Further, a plurality of hot air outlets provided on the upper surface of the blower pipe and in the stroke section of the movable rail makes it possible to apply warm air to the movable rail regardless of the position of the movable rail.

[0011]

【Example】

Example 1. FIG. 1 is a plan view showing an embodiment of the present invention, showing a state in which an electric warm air snow melting machine is installed at a point portion. 2 is a sectional view taken along line BB of FIG. 1, and FIG. 3 is taken along line C- of FIG.
It is C sectional drawing. The same parts as those in FIGS. 8 and 9 are designated by the same reference numerals and the description thereof will be omitted.

The reference numeral 1 designates a box-shaped blower pipe having a rectangular cross section which is fixedly connected to one end of an outlet duct 106. The blower pipe 1 is installed below a basic rail and a tongue rail 102 as in the conventional example. Reference numeral 2 denotes an upper air outlet provided on the upper surface of the blower pipe 1 below the basic rail 100, and a plurality of upper air outlets 2 are provided along the basic rail 100. Reference numeral 3 denotes an upper right oblique outlet formed by cutting and raising the upper surface of the blower pipe 1 at a position corresponding to the lower side of the tongue rail 102. The cut-and-raised portion of the right oblique upper outlet port 3 serves as an airflow direction plate, and guides the blowing direction of warm air upward in the right oblique direction in the drawing. Reference numeral 4 denotes a left oblique upper outlet formed by cutting and raising adjacent to the right oblique upper outlet 3 in the direction along the tongue rail 102. The cut-and-raised portion of the left obliquely upper outlet 4 guides the hot air blowing direction to the upper left obliquely in the drawing. The right oblique upper outlets 3 and the left oblique upper outlets 4 are provided in a zigzag pattern along the tongue rail 102.

Next, the operation of the embodiment having the above configuration will be described. When a switch (not shown) is turned on, warm air is blown through the blower pipe 1 by the same operation as described in the conventional example.
Part of the air is discharged from the upper outlet 2 toward the basic rail 1 to warm the basic rail 1 and melt the snow around the basic rail 1. Further, a part of the warm air is guided to the cut-and-raised portion of the right oblique upper outlet 3 and is discharged toward the tongue rail 102 to warm the tongue rail 2 and melt the snow around it. In addition, when the tongue rail 102 is moved by the point switching and is in the position shown by the chain double-dashed line in the figure, the right oblique upper outlet 3
The warm air discharged from the snow melts the sliding surface of the tongue rail 102.

Similarly, when the tongue rail 102 is located away from the basic rail 100 (the state shown by the solid line in FIG. 3), the warm air discharged from the left obliquely upper outlet 4 of the tongue rail 102 between both rails. The sliding surface is melted, and the tongue rail 102 becomes the basic rail 100 as shown by the chain double-dashed line in the figure.
When it comes close to, the ton gray rail 102 is warmed and the surrounding snow is melted. It should be noted that the right oblique upper outlet 3 and the left oblique upper outlet 4 may each be provided in the form of an elongated hole, and one elongated hole-shaped outlet may be provided with a plurality of cut-and-raised parts having different directions. May be. By providing the cut-and-raised portion at the blow-out port as described above, the cut-and-raised portion covers the blow-out port from above, and therefore dust from above does not block the blow-out port and hinder snow melting. By the way, although the air outlet is formed by cutting and raising the air outlet in the first embodiment, the air outlet may be a mere hole.

Example 2. FIG. 4 is a plan view showing an embodiment of the present invention, showing a state in which an electric warm air snow melting machine is installed at a point portion. FIG. 5 is a sectional view taken along line D-D of FIG. 4.
Note that the same parts as those in FIGS. 8 and 9 showing the conventional example are denoted by the same reference numerals and the description thereof will be omitted.

The reference numeral 10 designates a box-shaped blower tube having a rectangular cross section which is fixedly connected to one end of the blow-out duct 106. The blower tube 10 is the same as the conventional example, namely, the basic rail 100 and the tongue rail 102.
It is installed below. Reference numeral 12 is an upper outlet similar to that shown in the conventional example, and the basic rail 1 is provided on the upper surface of the blower pipe 10.
00 are provided in plurality. Both 13 and 14 are upper outlets, and a plurality of upper outlets 13 are provided diagonally below the sliding surface of the tongue rail 102.
When the tongue rails 102 are located away from the basic rails 100, a plurality of reference numerals 4 are provided below the basic rails 100 in the diagonal direction of the tongue rails 102. By providing the upper air outlets 13 and 14 in this manner, the warm air always hits the tongue rail 102.

Next, the operation will be described. In the electric warm air snowmelter of the second embodiment configured as described above, when the tongue rail 102 is away from the basic rail 100, as shown in FIG. 5, the warm air discharged from the upper outlet 14 causes The tongue rail 102 is warmed and the surrounding snow is melted, and the hot air discharged from the upper outlet 13 melts the sliding surface between the basic rail 100 and the tongue rail 102. Further, when the tongue rail 102 is in a position close to the basic rail 100 as shown by the chain double-dashed line in the figure, the warm air discharged from the upper outlet 13 warms the ton rail 102 and is emitted from the upper outlet 14. The hot air generated melts snow on the sliding surface of the tongue rail 102. In this way, the upper outlet 1
Since there are a plurality of 3 and 14 slabs that are slightly displaced from each other, no matter where the tongue rail 102 is located, a part of the warm air will warm the tongue rail 2 and the other part will move to the sliding surface. Since it is released, it is possible to surely melt the snow at the points.

Example 3. FIG. 6 is a plan view showing an embodiment of the present invention, showing a state in which an electric warm air snowmelter is installed at a point portion. FIG. 7 is a sectional view taken along line EE of FIG.
Note that the same parts as those in FIGS. 8 and 9 showing the conventional example are denoted by the same reference numerals and the description thereof will be omitted.

Reference numeral 15 designates a box-shaped blower pipe having a rectangular cross section which is fixedly connected to one end of the blow-out duct 106. The blower pipe 10 has a basic rail 100 and a tongue rail 102 as in the conventional example.
It is installed below. Reference numeral 16 is an upper air outlet similar to that shown in the conventional example, and the basic rail 1 is provided on the upper surface of the blower pipe 15.
00 are provided in plurality. 17, 18, 19
Are upper air outlets provided on the upper surface of the blower pipe 15 along the tongue rail 102, respectively.
18, 19 are arranged in a matrix as shown in the figure. The distance between the centers of the upper air outlets 17 and 18 and the distance between the centers of the upper air outlets 18 and 19 are set to L2. The distance L2 is smaller than the width L1 of the tongue rail 102. By setting L2 in this way, it is possible to make warm air always hit the tongue rail 102 regardless of the position of the tongue rail 102.

In the electric warm air snowmelter of the third embodiment constructed as described above, when the tongue rail 102 is separated from the basic rail 100 as shown by the solid line in FIG.
The tonglare 102 is warmed by a part of the warm air discharged from the upper air outlet 19 and the hot air discharged from the upper air outlet 18, and the surrounding snow is melted, and the hot air discharged from the upper air outlet 18 is heated. Snow is melted on the sliding surface between the basic rail 100 and the tongue rail 102 by a part of the hot air discharged from the upper outlet 17. Further, when the tongue rail 102 is in a position close to the basic rail 100 as shown by the chain double-dashed line in the figure, the warm air emitted from the upper outlet 17 warms the ton rail 102 and melts the snow around it. , Upper outlet 18,
The warm air discharged from 19 melts the sliding surface between the basic rail 100 and the tongue rail 102. In this way, since the pitch L2 of the upper air outlets 17, 18, 19 in the right angle direction is formed smaller than the width L2 of the tongue rail 102, the upper air outlet 17, The warm air emitted from either 18 or 19 warms the tongue rail 102,
Since warm air that is emitted to other than 02 is emitted to the sliding surface,
The melting of snow at the points is done reliably.

[0021]

As described above, according to the present invention, since a plurality of hot air outlets for guiding the hot air blowing direction in the front and rear direction of the stroke of the movable rail are provided, the vicinity of the movable rail and the sliding surface of the movable rail are provided. It is possible to surely carry out the snow melting with a small amount of electric power.

Further, since the pitch in the stroke direction of the hot air outlet is formed to be shorter than the rail width of the movable rail, it is possible to apply the warm air to the movable rail regardless of the position of the movable rail, and the vicinity of the movable rail and the movable rail. It is possible to reliably perform snow melting on the sliding surface of the rail with a small amount of electric power.

[Brief description of drawings]

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

FIG. 2 is a sectional view taken along line BB in FIG.

FIG. 3 is a sectional view taken along line CC of FIG.

FIG. 4 is a plan view showing another embodiment of the present invention.

5 is a sectional view taken along line DD of FIG.

FIG. 6 is a plan view showing another embodiment of the present invention.

7 is a cross-sectional view taken along line EE of FIG.

FIG. 8 is a plan view showing a state in which a conventional electric warm air snowmelter is installed at a point portion.

9 is a cross-sectional view taken along the line AA of FIG.

[Explanation of symbols]

1,10,15 Blower pipe 2,12,13,14,16,17,18,19 Upper outlet 3 Right oblique upper outlet 4 Left oblique upper outlet 106 Air outlet duct

 ─────────────────────────────────────────────────── ─── Continuation of the front page (72) Inventor Shin Sugita 800 Iwamatsu, Oshima-machi, Nitta-gun, Gunma Sanryo Electric Co., Ltd. Gunma Manufacturing (72) Innovator Nobuo Ichimura Oshima-machi, Nitta-gun, Gunma Prefecture Iwamatsu 800 Address Sanryo Electric Co., Ltd.Gunma Factory (72) Inventor Shiro Kazama 800 Iwamatsu, Oshima Town, Nitta County, Gunma Sanryo Electric Co., Ltd. Gunma Factory

Claims (4)

[Claims] 1. A blower pipe is installed around a turnout part of a railway or the like, and a blower pipe is installed along the sleeper below the basic rail and movable rail between sleepers, and hot air is blown from a warm air outlet of the blower pipe. In the electric warm air type snow melting device that melts snow in the branch unit and its surroundings, the warm air outlet is provided on the upper surface of the blower pipe at the stroke middle portion of the movable rail, and the temperature from the warm air outlet is provided. An electric warm-air snow-melting device, characterized in that the blowing direction of the wind is in the front-back direction of the stroke of the movable rail. 2. A blower pipe is attached to the vicinity of a turnout part of a railway or the like, and a blower pipe is installed along the sleeper below the basic rail and movable rail between sleepers, and hot air is blown from a warm air outlet of the blower pipe. In the electric warm air type snow melting device that melts snow at the branching unit and its surroundings, the warm air blowing outlet is provided on the upper surface of the blower pipe in the stroke section of the movable rail, and the warm air blowing is performed above the warm air blowing outlet. An electric warm-air snow-melting device, characterized in that an inclined portion for determining the outgoing direction is formed. 3. A blower pipe is attached to the vicinity of a turnout part of a railway or the like, and a blower pipe is installed along the sleeper below the basic rail and movable rail between sleepers, and warm air is blown from a warm air outlet of the blower pipe. In the electric warm air type snow melting device that melts snow in the branch unit and its surroundings, a plurality of the warm air outlets are provided on the upper surface of the blower pipe and in the stroke section of the movable rail, and are obliquely movable with respect to the stroke direction. An electric warm-air snow-melting device, characterized in that the rails are arranged at intervals smaller than the rail width. 4. A blower pipe is provided around a turnout part of a railway or the like, and a blower pipe is installed along the sleeper below a basic rail and a movable rail between sleepers, and warm air is blown out from a warm air outlet of the blower pipe. In the electric warm air-type snow melting device that melts snow at the branching unit and its surroundings, a plurality of the warm air outlets are provided in the stroke section of the movable rail on the upper surface of the blower pipe, and the stroke of the warm air outlets is provided. An electric warm air snowmelter characterized in that the pitch in the direction is formed shorter than the rail width of the movable rail.