JP4905705B2 - Track with wind tunnel melting snow sleeper - Google Patents

Description

The present invention relates to a track provided with a wind tunnel melting snow sleeper capable of preventing freezing in the vicinity of a point.

Conventionally, snow melting devices shown in Patent Literature 1 and Patent Literature 2 are known. In these snow melting devices, ducts for supplying hot air generated by a heat source are arranged on sleepers between rails, and hot air blown out from the duct outlets is applied to rails located on both sides thereof. It is discharged towards.
JP 2000-144604 A JP 2004-257134 A

  By the way, in the snow melting apparatus shown by the said patent document 1 and the patent document 2, it arrange | positions so that the length direction of this rail may be followed between rails, and the hot air discharged | emitted from the blower outlet of a duct is directly railed The rails and snow sleepers are melted by blowing snow on the sleepers. On the other hand, the blowing of hot air to the rails and sleepers also causes the sleepers to carbonize. In order to prevent this sleeper carbonization, for example, a duct to which hot air is supplied is inserted into the sleeper, and the sleepers and rails are heated by the heat of the hot air supplied through the duct to melt snow. In such a configuration in which a duct to which hot air is supplied is arranged in a sleeper, when the fastening device for fixing the rail is struck to the sleeper, the fastening device hits the duct and the duct is damaged, or the track maintenance work There is a problem that the working equipment damages the duct during the tamping to perform.

The present invention is intended to solve the conventional problems, and in sleepers provided with a duct to which a heat medium is supplied, the duct is prevented from being damaged during track maintenance work such as roadbed maintenance. An object of the present invention is to provide a track provided with a wind tunnel melting snow sleeper capable of improving workability during rail laying and track maintenance work.

Further, in the track having the snowmelt sleepers shown in the present invention, a duct to which a heat medium for melting snow is supplied is provided in the sleeper body and the duct is present on the upper surface of the sleeper body located above the duct. A plurality of snow melting sleepers provided with a duct installation mark indicating a rail, and rails for running a train fixed on the snow melting sleepers , wherein the duct is provided between the plurality of snow melting sleepers provided in the sleeper body. In addition, a common sleeper without a duct is arranged, and a rail for traveling a train is fixed on the snowmelt sleeper and the general sleeper, and the width of the snowmelt sleeper reduces the strength due to having a duct. In order to prevent this, the width of the general sleeper is the same as the width of the snowmelt sleeper.

  Further, in a track having a snowmelt sleeper shown in the present invention, a duct of the snowmelt sleeper, a duct hole provided in a sleeper body, and a pipe inserted into the duct hole and supplied with a heat medium therein, The pipe is made of a material approximating the thermal expansion coefficient of the sleeper body.

In the track having the snowmelt sleeper shown in the present invention , the duct installation mark indicating the presence of the duct is provided on the upper surface of the sleeper body constituting the snowmelt sleeper. As a result, when fixing the rail on the sleeper body with a fastening device, the fastening device can be prevented from damaging the duct and improve workability during track construction. It becomes.
In addition, a common sleeper without a duct is placed between a plurality of snowmelt sleepers in which a duct is provided in the sleeper body, and this general sleeper is reduced in strength due to the duct being provided in the sleeper body. In order to prevent this, the wide snowmelt sleepers are made wide, so the surface pressure of the general sleepers and the snowmelt sleepers are equal to the rails installed on the upper surface, preventing the displacement of these sleepers with respect to the rails. Is done. That is, even if a common sleeper is placed between a plurality of snowmelt sleepers, the contact pressure with the rails on these sleepers is the same, and these sleepers will not deviate from the rails. It can be supported.

  Further, in the track provided with the snowmelt sleeper shown in the present invention, the duct to which the heat medium is supplied is formed by a pipe inserted into the duct hole of the sleeper body, and this pipe is made of the thermal expansion coefficient of the sleeper body. Therefore, even if the pipe and the sleeper body whose temperature rises due to the supply of the heat medium expands, there is no distortion between the pipe and the sleeper body, These pipes and sleeper bodies are prevented from being destroyed, and the snow melting effect of the main track is prevented from being lowered.

  An embodiment of the present invention will be described with reference to FIGS. In these drawings, reference numeral 1 denotes a railway track, which is a snow melting sleeper 2, a rail 3 installed on the snow melting sleeper 2, a fastening means such as a fastening device for fixing the rail 3 on the snow melting sleeper 2 ( (Not shown).

  The snowmelt sleeper 2 includes a sleeper body 4 formed of, for example, a thermosetting resin foam containing long glass fibers, and a duct provided in the sleeper body 4 and supplied with hot air (heat medium) from a heat source (not shown). 5, and the snow in the track including the rail 3 and the sleeper body 4 is melted by hot air supplied through the duct 5. The duct 5 is composed of a duct hole 6 formed in the sleeper body 4 along the length direction thereof, and a pipe 7 disposed in the duct hole 6. As the pipe 7, for example, FRP (fiber reinforced plastic) or the like is used. The FRP used for the pipe 7 is preferably formed of a material that approximates the thermal expansion coefficient of the sleeper body 4. In addition, in order to prevent strength reduction due to the provision of the duct hole 6, the snow melting sleeper 2 has a width dimension (indicated by reference sign W in FIG. 2) of a general sleeper (not shown) having no duct hole 6. In comparison, it is formed wider.

  Moreover, the pipe 7 is arrange | positioned along the sleeper main body 4, and is arrange | positioned at the one side part side (the side shown with the code | symbol 4A in FIG. 2, FIG. 3) in the sleeper main body 4. FIG. The pipe 7 curves upward at the end, and the discharge port 7A located at the end is located on the upper surface of the sleeper body 4 (indicated by reference numeral 4B in FIGS. 2 and 3). The rail 3 and the sleeper body 4 are heated by hot air discharged into the air from the discharge port 7A located on the upper surface 4B of the sleeper body 4 and heat from the hot air in the pipe 7 transmitted in the sleeper body 4. The snow in the orbit including is melted. Moreover, since the discharge port 7A of the pipe 7 is located on the upper surface 4B of the sleeper body 4, the hot air does not directly hit the sleeper body 4, so that the sleeper body 4 is not carbonized by the hot air.

  Further, a duct installation mark 10 indicating the presence of the duct 5 is provided on the upper surface 4B of the sleeper body 4 located above the duct 5, and the duct installation mark 10 allows the upper side of the sleeper body 4 to be on the sleeper body 4. When the rail 3 is fixed by the fastening device, the fastening device is prevented from damaging the duct 5. Further, an accident in which the work equipment damages the duct 5 during the track maintenance work is avoided.

  The duct installation mark 10 may be specifically formed by applying paint on the upper surface 4B of the sleeper body 4, and the duct 5 is installed by providing a step or providing irregularities. It may be distinguished from other parts that are not. Further, as shown in FIG. 1, the discharge port 7 </ b> A of the pipe 7 includes an end portion (indicated by reference numeral 4 </ b> C) of the sleeper body 4 positioned outside the rail 3 and the other end along the length direction of the rail 3. However, the arrangement is not limited to such an arrangement. For example, the discharge port 7A of the pipe 7 is continuously provided at two places (or more) at one end (indicated by reference numeral 4C) of the sleeper body 4 located outside the rail 3, and at the other end (indicated by reference numeral 4D). It is also possible to alternately repeat two (or more) arrangements in succession. Further, it may be arranged not near the outside of the rail 3 but near the inside of the rail 3.

  As described above, in the snowmelt sleeper 2 and the railroad track 1 having the snowmelt sleeper 2 shown in this embodiment, the duct installation mark 10 indicating the presence of the duct 5 is provided on the upper surface of the sleeper body 4 located above the duct 5. Therefore, the position of the duct 5 in the sleeper body 4 is clarified by the duct installation mark 10, and when the rail 3 is fixed to the sleeper body 4 with the fastening device, the fastening device 5 can be prevented from being damaged, and workability at the time of rail laying can be improved. In addition, such a duct installation mark 10 can avoid an accident in which work equipment damages the duct 5 during the track maintenance work, and can improve the reliability of the track maintenance work.

  Further, in the snowmelt sleeper 2 shown in the present embodiment, the duct 5 to which hot air is supplied is constituted by the duct hole 6 of the sleeper body 4 and the pipe 7 inserted into the duct hole 6, and this pipe 7 is made of a material that approximates the thermal expansion coefficient of the sleeper body 4, so that even if the pipe 7 and the sleeper body 4 expand due to a rise in temperature caused by the supply of hot air, the pipe 7 and the sleeper body 4 and the pipe 7 and sleeper body 4 are prevented from being destroyed by thermal stress.

  In the above embodiment, the snow in the track including the rail 3 and the sleeper body 4 is removed by the heat transmitted from the hot air supplied into the pipe 7 and the hot air discharged from the discharge port 7A of the pipe 7. Although it melted snow, it is not limited to this, As shown in FIGS. 4-6, the duct hole 11 which penetrates the sleeper main body 4 in a length direction, and the pipe 12 without the discharge port inserted in the duct hole 11 The duct 13 may be configured as described above, and the snow on the rail 3 or sleeper body 4 may be melted by the transfer heat of hot air supplied through the pipe 12. In the snowmelt sleeper 2 having such a pipe 12 as well, similarly to the snowmelt sleeper of FIGS. 1 to 3, the duct installation indicating the presence of the duct 13 is provided on the upper surface 4B of the sleeper body 4 located above the pipe 12. By providing the mark 10, the position of the duct 13 in the sleeper body 4 is clarified. As a result, when the rail 3 is fixed to the sleeper body 4 with the fastening device, the fastening device may damage the duct 13. It is prevented and workability at the time of rail laying can be improved. In addition, such a duct installation mark 10 avoids an accident in which the work equipment damages the duct 13 during the track maintenance work, and can improve the reliability of the track maintenance work. Moreover, in such a type of pipe 12 as shown in FIGS. 4 to 6, in order to increase energy use efficiency, the waste heat that has passed through the pipe 12 may be returned to the heat source and reused. Moreover, in the snowmelt sleepers 2 of the type shown in FIGS. 4 to 6, hot water may be used as a heat medium instead of hot air.

  Moreover, in said embodiment, as shown in FIG.1 and FIG.4, although the pipe 7 or 12 is provided in all sleeper main bodies 4, it is not limited to this, Every other, or every 2 or more A snowmelt sleeper 2 having a pipe 7 or 12 may be arranged. Specifically, as shown in FIG. 7, snowmelt sleepers 2 having pipes 12 and general sleepers (noted by reference numeral 14) not having pipes 12 may be alternately arranged. The sleeper 14 is made wider in the same manner as the snowmelt sleeper 2 formed to be wide in order to prevent a decrease in strength due to the duct hole 6 being provided in the sleeper body 4. The surface pressure with the rail 3 installed on the rail is equalized, so that the sleepers 2 and 14 are prevented from shifting with respect to the rail 3. That is, even if the common sleepers 14 are arranged between the plurality of snowmelt sleepers 2, the surface pressure of the rails 3 on these sleepers 2 and 14 is equal, and the rails 3 do not shift with respect to the sleepers 2 and 14. The rail 3 can be supported by sleepers 2 and 14 in a stable state. In FIG. 7, the pipe 12 having no discharge port is taken as an example. However, when the pipe 7 having the discharge port 7 </ b> A is used, the common sleeper 14 having the same width as the snow melting sleeper 2 is similarly used. It is good to arrange between snowmelt sleepers 2. In this case, the discharge port 7A of the pipe 7 is positioned on one end (indicated by reference numeral 4C) of the sleeper body 4 positioned outside the rail 3, or is positioned on the other end (indicated by reference numeral 4D). This shall be determined as appropriate.

  Moreover, although the track 1 shown in FIG.1 and FIG.4 shows a straight line, it is suitable that the technique regarding the snowmelt sleeper 2 and the track 1 concerning this invention is applied also to a point part. Needless to say. And by applying to a point part, the freezing of a point can be prevented and it can prevent having a trouble in train operation. Also. In the snowmelt sleeper 2 using the pipe 7 having the discharge port 7A described above, a cover 15 may be provided in the vicinity of the discharge port 7A as shown in FIG. 8 in order to increase thermal efficiency. The cover 15 is arranged so as to connect the sleeper body 4 and the vicinity of the head of the rail 3, confine the hot air supplied through the pipe 7 therein, and the rail 3 and the sleeper body 4 are confined by the temperature rise in the internal space. It can melt snow in the orbit including it efficiently.

  In this embodiment, hot air is supplied into the pipe 7 separately arranged in the duct hole 6 of the sleeper body 4, but the present invention is not limited to this, and hot air may be supplied directly into the duct hole 6. In this case, in order to prevent the sleeper body 4 from being carbonized by hot air, the inner surface of the duct hole 6 may be coated with plastic or the like.

A perspective view showing a snowmelt sleeper 2 and a track 1 in which a pipe 7 having a discharge port 7A is arranged. 1 is a perspective view of the snowmelt sleeper 2 shown in FIG. Plan view of snowmelt sleeper 2 shown in FIG. The perspective view which shows the snowmelt sleeper 2 and the track | orbit 1 with which the pipe 12 without an outlet is arrange | positioned A perspective view of the snowmelt sleeper 2 shown in FIG. Plan view of the snowmelt sleeper 2 shown in FIG. The perspective view which shows the other form of the track | orbit 1 shown in FIGS. The front view which shows the state which attached the cover 15 to the snowmelt sleeper 2

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Railroad track 2 Snowmelt sleeper 3 Rail 4 Sleeper body 5 Duct 6 Duct hole 7 Pipe 10 Duct installation mark 11 Duct hole 12 Pipe 13 Duct 14 General sleeper 15 Cover

Claims (2)

A plurality of snowmelt sleepers in which a duct to which a heat medium for melting snow is supplied is provided in the sleeper body and a duct installation mark indicating the presence of the duct is provided on the upper surface of the sleeper body located above the duct; A train running rail fixed on these snowmelt sleepers ,
Between the plurality of snowmelt sleepers in which the duct is provided in the sleeper body, a general sleeper without a duct is disposed, and a rail for traveling a train is fixed on the snowmelt sleeper and the general sleeper. ,
The width of the snowmelt sleeper is formed wide to prevent a decrease in strength due to having a duct, and the width of the general sleeper is formed to be the same size as the width of the snowmelt sleeper. Track with wind tunnel melting snow sleeper. The snowmelt sleeper duct is composed of a duct hole provided in the sleeper body and a pipe that is inserted into the duct hole and supplied with a heat medium therein, and this pipe has a thermal expansion of the sleeper body. The track with the wind tunnel melting snow sleeper according to claim 1, wherein the track is made of a material approximate to a coefficient.

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