JP2011190660A - Foreign object removing device for track branch section - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a foreign object removing device for a track branch section, by which a pipe for supplying compressed air is prevented from being broken with running derailed wheels, and construction work and maintenance work are facilitated, in the track branch section provided with a concrete guard and a road surface board arranged along rails to cope with derailing caused by an earthquake in a slab track. <P>SOLUTION: The compressed air is supplied from an air source device 11 to a nozzle unit 14 through a header pipe 13. A floor board 15 is arranged under a tongue rail 105 and on the header pipe 13. The header pipe 13 is arranged on the side of the tongue rail 105 with respect to a stock rail 104, and is installed along a first channel 111 formed in the slab track 110 in a manner of extending along the stock rail 104. The header pipe 13 is fixed to the floor board 15. <P>COPYRIGHT: (C)2011,JPO&INPIT

Description

  The present invention is a slab track made of concrete, provided for a track branching portion having a basic rail and a tongrail that can be brought into contact with and separated from the basic rail and jetting compressed air. The present invention relates to a foreign matter removing device for a track branching portion that removes foreign matter dropped between a rail and a tongrel.

  Conventionally, in snowfall regions, snow melting devices such as electric heating type, hot air type, and hot water type have been used at railway track branches. However, according to such a snow melting device, it is difficult to melt the falling snow ice that is dropped by the vibration when the vehicle passes the track bifurcation, and when foreign objects other than snow ice fall on the track, The foreign matter cannot be removed. In view of this, there has been proposed a foreign matter removing device that removes foreign matter that has fallen between the basic rail and the tongrel at the track branching portion by injecting compressed air (see Patent Literature 1 to Patent Literature 5).

  In the foreign matter removing apparatus disclosed in Patent Literature 1 to Patent Literature 5, the installation configuration of a piping unit provided with a nozzle is different. First, Patent Document 1 and Patent Document 2 disclose a foreign substance removing device in which a piping unit is attached to a rail by inserting a bolt into a hole provided in a belly portion of the rail. Further, in Patent Document 3, a foreign matter removing device in which a piping unit is attached to a rail by using a holding bracket having a special structure arranged along the bottom surface of the rail and using a mounting bolt of a rail stopper. Is disclosed. Moreover, in patent document 4 and patent document 5, the member (bolt, screw, etc.) for attachment which fixes a piping unit to a rail is provided with a hollow structure, The inside serves as a supply passage which supplies compressed air to a piping unit. A constructed foreign matter removal apparatus is disclosed. In addition, the foreign material removal apparatus disclosed in Patent Document 4 and Patent Document 5 is a pipe that supplies compressed air from an air source device to one piping unit that is disposed between a basic rail and a Tongler in a track branching section. Have many branches and connected.

JP-A-6-240605 (page 2-3, FIG. 1, FIG. 3) JP 7-54317 A (page 2-3, FIG. 1-2) JP 2000-144602 A (3rd page, FIG. 1-7) Japanese Unexamined Patent Publication No. 2000-144670 (page 3, FIG. 1-2, FIG. 5) JP-A-7-54318 (page 3, Fig. 1-2)

  In the Shinkansen track, a slab track made of concrete is used. In such a slab track branching section, a wheel guide departure prevention guard (hereinafter referred to as a concrete guide disposed along the rail so that the vehicle does not roll over even if an earthquake occurs while the Shinkansen is running) , Simply referred to as “guard”) and a road surface plate are being studied. Note that the guards are arranged in a block shape in the form of a concrete block in a pair of outer sides of the basic rail on the reference line side where the basic rail extends straight at the track branching portion. In addition, the road surface plates are arranged so as to extend along the basic rail in a pair at positions on both sides of the basic rail and the tongrel on the branch line side extending so that the basic rail is curved in the track branching portion. It is formed in a block shape. At the time of derailment of the vehicle, one of the derailed wheels travels inside the pair of guards, and one wheel on the opposite side of the derailed wheels that travels between the pair of guards is the pair of road plates. You will travel on the top of one of them.

  When installing the foreign substance removal device at the track branching portion of the slab track provided with the guard and the road surface plate, it is conceivable to install the foreign substance removal device disclosed in Patent Documents 1 to 5. However, in the foreign substance removal apparatus disclosed in Patent Document 1 and Patent Document 2, it is necessary to process a hole for attaching the piping unit to the rail with respect to the rail. And a lot of labor for removing and attaching the foreign substance removing device during maintenance work such as rail replacement. In this case, since the holes are processed in the rail, the strength of the rail is also affected. Moreover, in the foreign material removal apparatus disclosed in Patent Document 3, since it is necessary to use a rail stopper mounting bolt and fix to the rail with a specially structured metal fitting, during construction work or maintenance work, as described above. It will take a lot of trouble. Moreover, in the foreign substance removal apparatus disclosed in Patent Literature 4 and Patent Literature 5, as in the case of Patent Literature 1 and Patent Literature 2, drilling for attaching the piping unit to the rail is necessary, and during construction work or maintenance work. Sometimes it takes a lot of work. And in the foreign material removal apparatus of patent document 4 and patent document 5, although the inside of the member for attaching a piping unit to a rail can be utilized as a supply path of compressed air, the hole processed into a rail in order to ensure the intensity | strength of a rail The diameter of this will be limited. For this reason, from the viewpoint of securing the required amount of compressed air injected from each nozzle, a piping structure for supplying compressed air to this piping unit by branching many from the air source device even if the piping unit has a short length. Will be necessary. As a result, more work is required during construction work and maintenance work.

  Further, in the case of the Shinkansen track, the track branching portion of the slab track reaches a length of several tens of meters, while the gap between the basic rail and the tongrail is small. Accordingly, when the piping unit, which is a header pipe for supplying compressed air to the nozzles, is arranged on the side surface of the rail as in the foreign matter removing apparatus disclosed in Patent Documents 1 to 5, the header pipe is arranged in a narrow space. Therefore, the cross-sectional area of the header pipe is reduced, and the pressure loss in the header pipe is increased. For this reason, in order to secure the required amount of compressed air injected from each nozzle, it is necessary to provide a considerably large number of compressed air supply holes to the header pipe. However, as described above, when a concrete guide (guard, road surface plate) is provided, a considerable number of holes are provided to install a pipe for supplying compressed air through the supply hole on the side surface of the guide. It is necessary to process the work, which requires a great deal of labor during construction work and maintenance work. Also, when the vehicle is derailed, the wheels run between the pair of guards, so many pipes that are arranged between the pair of guards and supply compressed air to the header pipe are cut and damaged by the wheels. It will end up.

  In view of the above circumstances, the present invention provides a pipe for supplying compressed air at a track branch portion provided with a concrete guard and a road surface plate along a rail to cope with an earthquake derailment in a slab track. An object of the present invention is to provide a foreign matter removing device for a track branching portion that can prevent damage caused by running of a derailed wheel and can easily perform construction work and maintenance work.

  In order to achieve the above object, a foreign matter removing apparatus for a track branching portion according to a first aspect of the present invention has a basic rail and a tongrail capable of contacting and separating from the basic rail in a slab track made of concrete. A foreign matter removing device for a raceway branch part, which is provided for a raceway branch part and removes foreign matter dropped between the basic rail and the tongrel by jetting compressed air, and jets compressed air. A nozzle unit having a nozzle; a header pipe connected to the nozzle unit; an air source device that supplies compressed air to the nozzle unit via the header pipe; and a lower part of the Tongrel and above the header pipe And a plurality of floor boards arranged along the longitudinal direction of the Tongrel. In the foreign matter removing device for a track branching portion according to the first aspect of the present invention, the track branching portion extends along the basic rail as a pair on the outer side of the basic rail on the reference line side where the basic rail extends straight. And a pair of guards that are formed in a block shape with concrete and one of the derailed wheels travels inside when the vehicle is derailed, the basic rail on the branch line side that extends so that the basic rail is curved, and the A pair of roads that are arranged to extend along the basic rail in a pair on both sides of the tong rail, are formed in a block shape with concrete, and one of the derailed wheels travels on one upper surface when the vehicle is derailed And the header pipe and the nozzle unit are arranged on both the reference line side and the branch line side. The header pipe is disposed on the Tongler side with respect to the basic rail, and is installed along a first groove formed in the slab track so as to extend along the basic rail. It is characterized by being fixed with respect to it.

  According to the present invention, in the track branching portion of the slab track where the guard (wheel guide departure prevention guard) and the road surface plate are installed, the first groove extending along the basic rail is provided on the side of the basic rail. And the header pipe | tube connected to a nozzle unit is installed in this 1st groove | channel. For this reason, the process for attaching the nozzle unit and the header pipe is not performed on the rail, and the labor required for construction work and maintenance work is reduced as compared with the case of the conventional foreign matter removing apparatus. . In addition, a floor plate is disposed between the lower side of the Tongrel and the upper side of the header tube, and the header tube is fixed to the floor plate. For this reason, by fixing the floor plate to the slab track, the header pipe can also be installed on the slab track, which greatly reduces the labor required for construction work and maintenance work compared to conventional foreign matter removal equipment. Can be reduced. In addition, since the header pipe is installed in the first groove, even if the size of the first groove provided on the slab track is set small while ensuring a sufficiently large cross-sectional area of the header pipe, It is possible to easily install a header pipe having a sufficiently large cross-sectional dimension to secure a necessary amount of compressed air to be injected. Accordingly, it is not necessary to provide a large number of compressed air supply holes in the header pipe, and in the first place, it is not necessary to process holes on the side surfaces of the guides in order to install such a supply pipe for supplying compressed air to the many supply holes. It will be. For this reason, the labor required for construction work and maintenance work can be greatly reduced as compared with the conventional foreign matter removing apparatus. And, since it is not necessary to process the holes on the side of the guide and install the pipes, the pipes are not arranged between the pair of guards, and compressed air is generated when the wheels travel between the pair of guards when the vehicle is derailed. It is also possible to prevent the supplied piping from being cut and damaged by the wheels.

  Note that a grid sleeper configured by combining a vertical sleeper and a horizontal sleeper may be employed in a track in which sleepers are arranged instead of a slab track. In this case, it is conceivable to arrange a header pipe inside the grid sleeper, but the grid sleeper is not necessary at the track branching part of the slab track, and the grid sleeper is not provided at the track branching part of the slab track where the guard and the road surface plate are provided. It will be extremely difficult to install the screen. For this reason, the track branch part of the slab track where the grid sleeper is not installed cannot be accommodated by the configuration in which the header pipe is arranged in the grid sleeper, and particularly for the existing track branch part. I can't.

  Therefore, according to the present invention, in the slab track, in order to cope with the derailment due to the earthquake, in the track branch portion provided with the concrete guard and the road surface plate along the rail, the pipe for supplying the compressed air is derailed. It is possible to provide a foreign matter removing device for a track branching portion that can prevent breakage due to traveling and can easily perform construction work and maintenance work.

  The foreign matter removing device for the track branching portion according to the second invention is the foreign matter removing device for the track branching portion according to the first invention, wherein the air source device is disposed outside the branching line side with respect to the track branching portion, A second slab track formed on the slab track so as to extend below the road surface plate with respect to the header pipe arranged on the reference line side and the header pipe arranged on the branch line side. Compressed air is supplied through an air pipe arranged along the groove.

  According to the present invention, the air source device is disposed outside the branch line side, and the air pipe that supplies the compressed air to the header pipe on the reference line side and the branch line side passes through the lower side of the road surface plate. It arrange | positions in the 2nd groove | channel provided in. For this reason, the air pipe for supplying the compressed air to the header pipe is not arranged so as to pass below the pair of guards, and when the wheels travel between the pair of guards when the vehicle is derailed, It can prevent reliably that supply piping is cut | disconnected by a wheel and damaged. Further, in the present invention, since the air pipe is disposed in the second groove provided in the slab track, the work for installing the air pipe is not applied to the rail or the guide, and the construction work and the maintenance work are performed. Can be performed more easily.

  The foreign matter removing apparatus for a track branching portion according to a third aspect of the present invention is the foreign matter removing apparatus for a track branching portion according to the first or second aspect, wherein the branch line side nozzle unit, which is the nozzle unit disposed on the branching line side, is A plurality of the nozzles, each having a plurality of the nozzles, arranged between the floor boards arranged side by side along the longitudinal direction of the tongrel, and the width direction of the branch line side nozzle unit The dimension is set to be larger than the dimension in the width direction of the Tongrel and between the Tongrel and one of the pair of road plates with the Tongrel in contact with the basic rail. It is set so that compressed air can be injected from the nozzle.

  According to the present invention, on the branch line side, the plurality of nozzle units are respectively arranged between the floor rails between the basic rails arranged on both sides of the Tongrel and one of the pair of road plates. For this reason, in the region between the basic rail and one of the road surface plates, the foreign matter is efficiently removed by the compressed air injected from the nozzle units arranged in a distributed manner along the longitudinal direction of the rail. become. According to the present invention, since the dimension in the width direction of the nozzle unit is formed sufficiently large, in the state where the tongrel is in contact with the basic rail, between the tongrel and one of the pair of road surface plates. Foreign matter can be removed by jetting compressed air in the region. Furthermore, since the dimension in the width direction of the nozzle unit is set to be larger than the dimension in the width direction of the tongrel, compression is performed in the region between the basic rail and the tongrel even when the tongrel is separated from the basic rail. Foreign matter can be removed by jetting air.

  A foreign matter removing apparatus for a track branching portion according to a fourth aspect of the present invention is the foreign matter removing apparatus for a track branching portion according to the third aspect of the present invention, further comprising a controller that controls the injection timing of jetting compressed air from the nozzle. Controlling the injection timing so that compressed air is injected from the nozzles in the branch line side nozzle unit before the Tongrel in contact with the basic rail on the branch line side is separated from the basic rail. Features.

  According to the present invention, the injection timing of the branch line side nozzle unit is controlled by the controller so that the compressed air is injected at a timing before the Tongrel is separated from the basic rail. For this reason, the foreign matter in the region between the Tongleil and one of the pair of road plates is removed at a timing before the Tongleil moves away from the basic rail and approaches one of the pair of road plates. It can be removed efficiently.

  The foreign matter removing device for a track branching portion according to a fifth aspect of the present invention is the foreign matter removing device for a track branching portion according to the first or second aspect, wherein the branching line side nozzle unit that is the nozzle unit arranged on the branching line side is A first nozzle portion that is attached to communicate with the header pipe on the upper surface side of the header pipe disposed on the branch line side, and a first communication portion that is provided so as to extend alongside the floor plate. A second nozzle portion that communicates with the header pipe disposed on the branch line side and that is disposed on a side surface of the basic rail, and the floor plate includes the first communication portion below the tongrail. It is formed to extend toward the side surface of the basic rail so as to form a gap to be arranged.

  According to the present invention, the first nozzle portion arranged on the upper surface side of the header pipe can inject the compressed air for removing foreign matters in the region between the Tongrel and one of the pair of road surface plates. it can. And by the 2nd nozzle part arrange | positioned at the side surface of a basic rail, the flow of the compressed air along the basic rail for removing the foreign material in the area | region between a basic rail and a tongrel can be formed easily. . By arranging a plurality of second nozzle portions along the longitudinal direction of the basic rail, a continuous flow of compressed air along the basic rail can be easily formed, and the foreign matter removal performance can be further improved. Also, on the branch line side, the first communication portion provided in parallel with the floor plate is arranged to supply the compressed air to the second nozzle portion by forming the floor plate so as to extend toward the side surface of the basic rail. Therefore, it is possible to easily secure a gap for the purpose.

  The foreign matter removing device for a track branching portion according to a sixth aspect of the present invention is the foreign matter removing device for a track branching portion according to the first or second aspect, wherein the reference line side nozzle unit that is the nozzle unit arranged on the reference line side is And a third nozzle portion that communicates with the header pipe disposed on the reference line side via a second communication portion provided so as to extend alongside the floor plate and is disposed on a side surface of the basic rail. The floor plate is formed to extend toward the side surface of the basic rail so as to form a gap in which the second communication portion is disposed below the tongrel.

  According to the present invention, the third nozzle portion arranged on the side surface of the basic rail easily forms a flow of compressed air along the basic rail for removing foreign matters in the region between the basic rail and the tongrel. be able to. By arranging a plurality of third nozzle portions along the longitudinal direction of the basic rail, a continuous flow of compressed air along the basic rail can be easily formed, and the foreign matter removal performance can be further improved. Further, on the reference line side, the second communication portion provided in parallel with the floor plate is arranged to supply the compressed air to the third nozzle portion by forming the floor plate so as to extend toward the side surface of the basic rail. Therefore, it is possible to easily secure a gap for the purpose.

  According to the present invention, in the track branch portion provided with the concrete guard and the road surface plate along the rail to cope with the derailment due to the earthquake in the slab track, the pipe supplying the compressed air is derailed by running the wheel. It is possible to provide a foreign matter removing device for a track branch portion that can prevent damage and can easily perform construction work and maintenance work.

It is a top view which shows the foreign material removal apparatus of the track branch part which concerns on 1st Embodiment of this invention, and the track branch part provided with this foreign material removal apparatus. FIG. 2 is a partially enlarged view of FIG. 1. It is an air circuit diagram of the air source device in the foreign material removal apparatus shown in FIG. It is a figure which expands and shows a part in FIG. 2, Comprising: It is a figure which expands and shows the vicinity of the edge part of the Tongrel on the branch line side. It is sectional drawing seen from the CC arrow direction position of FIG. 4, Comprising: It is a figure which shows a slab track | orbit with a notch cross section. It is the figure seen from the D line arrow direction of FIG. 5, Comprising: It is a figure which abbreviate | omits illustration of a slab track | orbit. It is a figure which expands and shows a part in FIG. 2, Comprising: It is a figure which expands and shows the vicinity of the edge part of the Tongrel on the reference line side. It is sectional drawing seen from the CC arrow direction position of FIG. 7, Comprising: It is a figure which shows a slab track | orbit by a notch cross section. It is a figure which shows a cross section perpendicular | vertical to the basic rail in the vicinity of the air piping in the branch line side of the foreign material removal apparatus shown in FIG. 1, Comprising: It is a figure which shows a slab track | orbit by a notch cross section. It is a figure which shows a cross section perpendicular | vertical to the basic rail in the vicinity of the air piping in the reference line side of the foreign material removal apparatus shown in FIG. 1, Comprising: It is a figure which shows a slab track | orbit by a notch cross section. FIG. 5 is a plan view and a side view of the nozzle unit shown in FIG. 4. It is a figure which shows the nozzle unit seen from the F line arrow direction of FIG. It is sectional drawing seen from the G line arrow position in FIG. 4, Comprising: It is a figure which shows a slab track | orbit by a notch cross section. It is a flowchart explaining the injection timing of the compressed air in the foreign material removal apparatus at the time of compressed air being injected according to the timing at which retry operation is performed. It is a flowchart explaining the injection timing of the compressed air in the foreign material removal apparatus at the time of compressed air being injected according to the timing at which retry operation is performed. It is a figure which expands and shows a part in the foreign material removal apparatus of the track | orbit branch part which concerns on 2nd Embodiment of this invention, Comprising: It is a figure which expands and shows the vicinity of the edge part of the Tongleil in a branch line side. It is sectional drawing seen from the HH arrow line position of FIG. 16, Comprising: It is a figure which shows a slab track | orbit with a notch cross section. It is the figure seen from I line arrow direction of FIG. 17, Comprising: Illustration of a slab track | orbit is abbreviate | omitted and shown. It is a perspective view shown in a notch state about a part in a foreign substance removal device of a track branching part concerning a 2nd embodiment of the present invention, and is a figure shown in a part notch section. It is a figure which expands and shows a part in the foreign material removal apparatus shown in FIG. 19, Comprising: It is a figure which expands and shows the vicinity of the edge part of the Tongrel on the reference line side. It is sectional drawing seen from the JJ line | wire arrow position of FIG. 20, Comprising: It is a figure which shows a slab track | orbit with a notch cross section. FIG. 17 is a plan view and a side view of the branch line side nozzle unit shown in FIG. 16. It is a figure which shows the nozzle unit seen from the K line arrow direction of FIG. FIG. 21 is a side view of the reference line side nozzle unit shown in FIG. 20 together with a sectional view of a header pipe on the reference line side.

  Hereinafter, embodiments for carrying out the present invention will be described with reference to the drawings. In addition, the foreign matter removing apparatus for the track branching portion according to the embodiment of the present invention is for the track branching portion provided with the concrete guard and the road surface plate along the rail in order to cope with the derailment due to the earthquake in the slab track. The present invention can be widely applied as a foreign matter removing device for a track branching section that removes foreign matter dropped between a basic rail and a tongrel by injecting compressed air.

[First Embodiment]
(Configuration of orbit branching part)
FIG. 1 shows a foreign matter removing device 1 (hereinafter simply referred to as “foreign matter removing device 1”) for a track branching portion according to a first embodiment of the present invention and a track branching portion 100 provided with the foreign matter removing device 1. It is a top view. FIG. 2 is a partially enlarged view of FIG. The track branching section 100 is installed on the slab track 110. The slab track 110 is provided as a Shinkansen track and is made of concrete.

  In the track branching section 100 shown in FIGS. 1 and 2, a wheel guide departure prevention guard is used as a concrete guide 101 disposed along the rail so that the vehicle does not roll over even if an earthquake occurs while the Shinkansen is running. A pair of guards (102, 102) and a pair of road surface plates (103, 103) are provided. In this track branching section 100, a pair of basic rails (104, 104), a pair of tonglers (105, 105), a rolling mill comprising a rolling bar 106, and the like are installed. The pair of basic rails (104, 104) are arranged at a predetermined interval, and a pair of tongrels (105, 105) are arranged between the pair of basic rails (104, 104).

  The basic rail 104 and the tongrail 105 are disposed on the slab track 110 via a floor plate 15 described later, and the tongrel 105 is configured to be movable on the floor plate 15. As a result, each of the tongrels 105 is provided so as to be able to contact and separate from each basic rail 104. Further, the ends of the respective Tongrels 105 are connected to each other with a constant distance maintained by a rolling bar 106. Then, when the rolling mill is operated based on a command from a control device (not shown), the tongue rail 105 moves in a direction in which the basic rail 104 comes into contact with or separates from the basic rail 104, and the traveling rail switching operation ( Point switching operation).

  Further, the guard 102 in the guide 101 is indicated by an arrow B in FIGS. 1 and 2 with respect to the reference line side (the middle of the pair of basic rails (104, 104)) in which the basic rail 104 extends straight in the track branching portion 100. A pair of outer sides of the basic rails 104 are arranged so as to extend substantially parallel to each other. The pair of guards (102, 102) are each formed of concrete and are formed in a block shape extending along the basic rail 104 on the reference line side.

  Further, the road surface plate 103 in the guide 101 extends in a pair of substantially parallel to each other at both sides of the basic rail 104 and the tongue rail 105 on the branch line side extending so that the basic rail 104 is curved in the track branching portion 100. Has been placed. The pair of road surface plates (103, 103) are each formed of concrete and formed in a block shape extending along the basic rail 104 on the branch line side.

  When the derailment of the vehicle due to the earthquake occurs, one of the derailed wheels travels inside the pair of guards (102, 102). And one wheel on the opposite side to one wheel that travels between the pair of guards (102, 102) among the derailed wheels travels on one upper surface of the pair of road surface plates (103, 103). become.

(Overall configuration of foreign substance removal device)
Next, the configuration of the foreign matter removing apparatus 1 according to the first embodiment will be described. The foreign matter removing apparatus 1 is provided in the above-described track branching portion 100 and is installed to remove foreign matters such as snow falling between the basic rail 104 and the tongrel 105 by jetting compressed air. As shown in FIGS. 1 and 2, the foreign matter removing apparatus 1 includes an air source device 11, an air pipe 12, a header pipe 13, a nozzle unit 14, a floor plate 15, a controller 16, and the like. The air source device 11 is disposed outside the slab track 110 or in the vicinity of the slab track 110 on the branch line side with respect to the track branch portion 100 (see FIG. 1). Further, the header pipe 13 and the nozzle unit 14 are arranged between the basic rail 104 and the tongue rail 105 and in the vicinity thereof on both the reference line side and the branch line side in the track branching section 100.

  Further, the air pipe 12 shown in FIG. 1 is provided as a supply pipe that connects the air source device 11 and the header pipe 13 and supplies compressed air from the air source apparatus 11 to the header pipe 13. As the air pipe 12, an air pipe 12a connected to the header pipe 13 arranged on the branch line side and an air pipe 12b connected to the header pipe 13 arranged on the reference line side are provided. As a result, compressed air is supplied to the header pipe 13 on the reference line side and the header pipe 13 on the branch line side via the air pipe 12.

  The air pipe 12b connected to the header pipe 13 on the reference line side is configured so as to branch into three from the middle, and each branch pipe is connected at three locations on the front and rear end sides of the header pipe 13 and the central portion. is doing. In addition, the air pipe 12a connected to the branch pipe side header pipe 13 is also configured to branch into three from the middle, and each branch pipe is formed at three locations, the front and rear end sides of the header pipe 13 and the central portion. Is connected. As will be described later, the air pipe 12a and the air pipe 12b extend along the groove 112, which is the second groove in the present embodiment, which is formed in the slab track 110 so as to pass and extend below the road surface plate 103. (See FIGS. 9 and 10).

(Configuration of air source device)
FIG. 3 is an air circuit diagram of the air source device 11. The air source device 11 shown in FIGS. 1 and 3 is provided as a compressed air supply source that supplies compressed air to the nozzle unit 14 via the header pipe 13, and includes a compressor 18, an air tank 19, an electromagnetic switching valve 20a, 20b and the like. The compressed air generated by the compressor 18 is stored in the air tank 19. The air tank 19 is connected to a header pipe 13 and a nozzle unit 14 disposed between and in the vicinity of the branch rail basic rail 104 and the tongrel 105 via an electromagnetic switching valve 20a and an air pipe 12a. Yes. Similarly, the air tank 19 has a header pipe 13 and a nozzle unit 14 disposed between and in the vicinity of the basic rail 104 and the tongue rail 105 on the reference line side via the electromagnetic switching valve 20b and the air pipe 12b. It is connected.

  In the air source device 11 described above, the electromagnetic switching valve 20a and the electromagnetic switching valve 20b are respectively switched from the shut-off position (the state shown in FIG. 3) to the communication position based on a command from the controller 16 described later. Compressed air is injected through the header pipe 13 and the nozzle unit 14 connected to the downstream side of 20a and 20b. In addition, although the air source apparatus 11 of this embodiment is provided with the compressor 18, it may be provided in the state which this compressor 18 is shared. For example, compressed air is supplied from the compressor 18 of the air source device 11 to an air tank of an air source device that is not provided with a compressor in an air source device corresponding to a track branch portion different from the track branch portion 100. It may be configured. The air source device 11 has the opposite configuration (the air source device 11 is not provided with the compressor 18 and the compressed air is supplied to the air tank 19 from the compressor of the other air source device). It may be.

(Configuration of floorboard)
FIG. 4 is an enlarged view of a part of FIG. 2, and is an enlarged view of the vicinity of the end of the tongrel 105 on the branch line side. FIG. 5 is a cross-sectional view as viewed from the position of the arrow C-C in FIG. 4 and shows the slab track 110 in a cut-out cross section. FIG. 6 is a view seen from the direction of arrow D in FIG. 5, and is a view in which the illustration of the slab track 110 is omitted. FIG. 7 is an enlarged view of a part of FIG. 2, and is an enlarged view of the vicinity of the end of the tongrel 105 on the reference line side. FIG. 8 is a cross-sectional view as seen from the position of the arrow EE in FIG. 7 and shows the slab track 110 in a cut-out cross section. As shown in FIGS. 1, 2, 4 to 8, a plurality of floor boards 15 are arranged side by side along the longitudinal direction of the Tongrel 105 on each of the reference line side and the branch line side. The floor plates 15 arranged adjacent to each other are arranged in parallel with each other, and each floor plate 15 is arranged below the tongrel 105 and above the header pipe 13.

  4 to 8, each floor board 15 is configured as a two-layer structure in which an upper floor board 21 and a lower floor board 22 are stacked. Both the upper floor board 21 and the lower floor board 22 are formed in a flat plate shape, and the upper floor board 21 having a smaller area extending in the horizontal direction than the lower floor board 22 is disposed above the lower floor board 22. Moreover, the upper floor board 21 and the lower floor board 22 are formed with the steel material, for example. A Tongrel 105 is slidably disposed on the upper floor plate 21, and a basic rail 104 is fixed on the lower floor plate 22. Note that the end of the upper floor plate 21 facing the side of the basic rail 104 is provided so as to extend to a position in contact with or close to the side of the bottom portion of the basic rail 104.

  Moreover, the upper floor board 21 is fixed to the lower floor board 22 using a bolt or the like, and is configured to be removable. Thereby, when the upper floor board 21 is worn by sliding contact with the Tongrel 105, only the upper floor board 21 can be replaced without replacing the lower floor board 22, and maintenance work can be easily performed. Further, a header pipe 13 described later is fixed to the lower floor board 22 by welding or the like. Thereby, the lower floor board 22 is installed and fixed on the slab track 110, so that the header pipe 13 can be installed on the slab track 110 at the same time.

(Configuration of header pipe)
As shown in FIGS. 1, 2, and 4 to 8, the header tube 13 is formed as a rectangular parallelepiped tube structure extending in a substantially rectangular cross section (formed in the shape of a hollow square pipe), Is also formed in a closed state. The header pipe 13 is made of, for example, a steel material. And the header pipe | tube 13 is arrange | positioned with respect to the basic rail 104 at the Tongle rail 105 side in each of the reference line side and the branch line side. The first embodiment of the present embodiment is formed on the slab track 110 so as to extend along the basic rail 104 on the inner side of the basic rail 104 (on the side of the tongrail 105) on each of the reference line side and the branch line side. A groove 111 is provided. And each header pipe | tube 13 is installed along each groove | channel 111 provided in the reference line side and the branch line side (refer FIG.5 and FIG.8).

  FIG. 9 is a view showing a cross section perpendicular to the basic rail 104 in the vicinity of the air pipes (12a, 12b) on the branch line side, and is a view showing the slab track 110 in a cut-out cross section. FIG. 10 is a view showing a cross section perpendicular to the basic rail 104 in the vicinity of the air pipe 12b on the reference line side, and is a view showing the slab track 110 in a cutaway cross section. As shown in FIGS. 9 and 10, a groove (second groove) 112 formed on the slab track 110 so as to extend below the road surface plate 103 is perpendicular to the longitudinal direction of the basic rail 104. It is provided so as to extend along a direction substantially parallel to the direction. And air piping (12a, 12b) is installed in this groove | channel 112. FIG.

  The air pipe 12a is configured to pass under one of the pair of road surface plates (103, 103) and be connected to the side of the header pipe 13 on the branch line side. As a result, the air pipe 12 a communicates with the hollow area inside the header pipe 13 on the branch line side, and the compressed air from the air source device 11 is supplied to the header pipe 13. On the other hand, the air pipe 12b is configured to pass under both of the pair of road surface plates (103, 103) and connect to the side of the header pipe 13 on the reference line side. As a result, the air pipe 12 b communicates with the hollow area inside the header pipe 13 on the reference line side, and the compressed air from the air source device 11 is supplied to the header pipe 13.

  The header tube 13 has a plurality of nozzle units 14 arranged in series on the upper surface side along the longitudinal direction thereof. A communication hole (not shown) to each nozzle unit 14 is formed on the upper surface of the header pipe 13, and a hollow region in the header pipe 13 communicates with each nozzle unit 14. Thereby, the header pipe | tube 13 and each nozzle unit 14 are connected.

(Configuration of nozzle unit)
The nozzle unit 14 shown in FIGS. 1, 2, and 4 to 8 is a nozzle mechanism that injects compressed air supplied from the air source device 11 between the basic rail 104 and the tongrel 105 and in the vicinity thereof. Is provided. The nozzle unit 14 includes a branch line side nozzle unit 14 a disposed on the branch line side and attached to the branch line side header pipe 13, and a reference line side disposed on the reference line side header pipe 13. And a reference line side nozzle unit 14b attached thereto. A plurality of branch line side nozzle units 14 a and reference line side nozzle units 14 b are provided, and are arranged in series along the longitudinal direction on the upper surface side of each header pipe 13. Further, the branch line side nozzle unit 14 a is disposed between the floor plate 15 and the floor plate 15 that are arranged side by side along the longitudinal direction of the Tongle rail 105. Similarly, the reference line side nozzle unit 14 b is also arranged between the floor board 15 and the floor board 15 arranged side by side along the longitudinal direction of the tongrel 105.

  FIG. 11 shows a plan view (FIG. 11B) of the branch line side nozzle unit 14a and a side view thereof (FIG. 11A). 12 is a diagram showing the nozzle unit 14a viewed from the direction of the arrow F in FIG. As shown in FIGS. 4 to 12, each nozzle unit 14 is formed as a plate-like member provided with a plurality of nozzles 23. The reference line side nozzle unit 14b is similarly configured with the arrangement of the nozzles 23 being symmetrical with respect to the branch line side nozzle unit 14a. Therefore, the branch line side nozzle unit 14a will be described below, and the description of the reference line side nozzle unit 14b will be omitted.

  As shown in FIGS. 4 to 6, 11, and 12, each branch line side nozzle unit 14 a is provided with a plurality of nozzles 23, a communication path 24, a step portion 25, and a slope portion 26. Yes. Two step portions 25 are provided on the upper surface side of each branch line side nozzle unit 14 a, and are formed as stepped portions extending parallel to each other in a direction oblique to the longitudinal direction of the header pipe 13.

  Each nozzle 23 is formed as a through hole, and a plurality of nozzles 23 are provided side by side in each step portion 25. Each nozzle 23 has an opening formed in the step portion 25 so as to inject compressed air toward the basic rail 104 side and obliquely upward. In addition, in FIG. 6, the path | route along the opening direction of the nozzle 23 is illustrated with the dashed-two dotted line among the paths of the compressed air injected from the nozzle 23 in the branch line side nozzle unit 14a. Moreover, in FIG. 8, the path | route along the opening direction of the nozzle 23 is illustrated with the dashed-two dotted line among the paths of the compressed air injected from the nozzle 23 in the reference line side nozzle unit 14b. Further, the communication path 24 is formed as a space that communicates with the plurality of nozzles 23 in each step portion 25 and communicates with the hollow region of the header pipe 13.

  Two slope portions 26 are provided on the upper surface side of each branch line side nozzle unit 14a, and are formed as inclined surfaces that are gently inclined obliquely upward from the lower edge portion of each step portion 25. In addition, the height position in the vertical direction of the upper surface of the branch line side nozzle unit 14 a is set to be lower than the upper surface of the upper floor board 21 in order to prevent interference with the tongrel 105. On the other hand, as described above, the compressed air injected from each nozzle 23 is more reliably injected obliquely upward along the slope portion 26. For this reason, even if the nozzle 23 is disposed at a position lower than the upper surface of the upper floor board 21, foreign matter can be removed upward of the upper floor board 21 by the compressed air sprayed from the nozzle 23. It can suppress that a foreign material is caught below.

  In FIG. 5, the tongrel 105 in contact with the basic rail 104 is shown by a solid line, and the tongrel 105 in a state separated from the basic rail 104 is shown by a two-dot chain line. 5 and 4, the dimension in the width direction of the branch line side nozzle unit 14a (the direction perpendicular to the longitudinal direction of the header pipe 13) is equal to the width direction of the Tongrel 105 (perpendicular to the longitudinal direction and horizontal). Is set larger than the dimension of the The dimension in the width direction of the branch line side nozzle unit 14a is such that the tongrel 105 is in contact with the basic rail 104 and one of the tongrel 105 and the pair of road plates 103 (basic relative to the tong grail 105). The compressed air can be injected between the rail 104 and the road surface plate 103 on the opposite side.

  The controller 16 is provided as a control device that controls the injection timing of injecting compressed air from the nozzles 23 in the branch line side nozzle unit 14a and the reference line side nozzle unit 14b. The controller 16 includes, for example, a CPU (Central Processing Unit), a memory, an interface circuit, and the like (not shown). Further, the controller 16 is communicably connected to a host control device that controls the operation of the switch, and can transmit a switching signal of each electromagnetic switching valve (20a, 20b) to the air source device 11. It is connected. And the controller 16 controls the injection timing of the compressed air injected from the nozzle 23 of the branch line side nozzle unit 14a by controlling the operation of the electromagnetic switching valve 20a, and controls the operation of the electromagnetic switching valve 20b. It is comprised so that the injection timing of the compressed air injected from the nozzle 23 of the reference line side nozzle unit 14b may be controlled.

  When controlling the operation of the electromagnetic switching valves (20a, 20b) based on the operation signal (point switching signal) of the switch machine transmitted from the host controller, the controller 16 is a vehicle traveling track that is a track on which the vehicle travels. Is switched from the branch line side to the reference line side, the compressed air is injected from both the branch line side nozzle unit 14a and the reference line side nozzle unit 14b. On the other hand, when the vehicle traveling track is switched from the reference line side to the branch line side, the controller 16 injects compressed air only from the branch line side nozzle unit 14a. Thereby, although the usage-amount of compressed air can be suppressed to the minimum, when there is no necessity, you may inject compressed air from both the branch line side nozzle unit 14a and the reference line side nozzle unit 14b.

  FIG. 13 is a cross-sectional view as viewed from the position indicated by the arrow G in FIG. 4 and shows the slab track 110 in a cut-out cross section. FIG. 13A is a cross-sectional view showing a state where the Tongler 105 is in contact with the basic rail 104, and FIG. 13B is a cross-sectional view showing a state in which the Tongler 105 is separated from the basic rail 104. .

  When the vehicle traveling track is switched from the reference line side to the branch line side, that is, when the Tongle rail 105 is separated from the basic rail 104, the controller 16 switches the electromagnetic switching valve 20a to the communication position, as shown in FIG. As shown, compressed air is jetted from the nozzles 23 in the branch line side nozzle unit 14a. That is, the controller 16 performs the injection timing so that the compressed air is injected from the nozzle 23 of the branch line side nozzle unit 14a before the Tongler 105 in contact with the basic rail 104 on the branch line side is separated from the basic rail 104. To control. As a result, the foreign matter between the Tongrel 105 and one of the pair of road plates 103 is removed immediately before the Tongrel 105 approaches one of the pair of road plates 103. Then, at the same timing as above, the controller 16 also switches the electromagnetic switching valve 20b to the communication position and injects compressed air from the nozzles 23 in the reference line side nozzle unit 14b as shown in FIG. That is, the controller 16 sets the injection timing so that the compressed air is injected from the nozzles 23 of the reference line side nozzle unit 14b before the Tongrel 105 separated from the basic rail 104 contacts the basic rail 104 on the reference line side. Control. As a result, the foreign matter between the Tongrel 105 and the basic rail 104 is removed immediately before the Tongrel 105 comes into contact with the basic rail 104.

  When the vehicle traveling track is switched from the branch line side to the reference line side, that is, when the tongue rail 105 abuts on the basic rail 104, the controller 16 switches the electromagnetic switching valve 20a to the communication position, as shown in FIG. As shown, compressed air is jetted from the nozzles 23 in the branch line side nozzle unit 14a. That is, the controller 16 sets the injection timing so that the compressed air is injected from the nozzles 23 of the branch line side nozzle unit 14a before the Tongrel 105 separated from the basic rail 104 on the branch line side contacts the basic rail 104. Control. As a result, the foreign matter between the Tongrel 105 and the basic rail 104 is removed immediately before the Tongrel 105 comes into contact with the basic rail 104. At this timing, the electromagnetic switching valve 20b is not switched in the cut-off position, and the compressed air is not injected from the reference line side nozzle unit 14b.

(Operation of foreign matter removal device)
Next, the operation of the foreign matter removing apparatus 1 will be described. The foreign matter removing apparatus 1 described above operates when the controller 16 issues a switching command for the electromagnetic switching valves (20a, 20b), whereby the foreign matter removing operation is performed. Then, the controller 16 detects, for example, detection results of various sensors such as a foreign matter fall detection sensor (not shown) and a snowfall sensor (not shown), or a point switching signal transmitted from a host control device. Based on operation command signals of various devices, a switching command for the electromagnetic switching valves (20a, 20b) is issued.

  In a time zone where a foreign matter removing operation such as a time zone during vehicle operation may be necessary, the compressed air supplied from the compressor 18 is stored in the air tank 19 in the air source device 11 shown in FIG. ing. As described above, the electromagnetic switching valves (20a, 20b) are switched from the shut-off position shown in FIG. 3 to the communication position based on a command from the controller 16, so that the compressed air stored in the air tank 19 is changed. Then, it flows to each air pipe 12 through each electromagnetic switching valve (20a, 20b).

  The compressed air that has flowed into the air pipe 12 further flows into the hollow region inside the header pipe 13 (see FIGS. 9 and 10). The compressed air flows from the header pipe 13 to the communication passage 24 of the nozzle unit 14, and is further injected obliquely upward from the nozzle 23 (see FIGS. 6 and 8). At this time, in each nozzle unit 14, compressed air is jetted from the plurality of nozzles 23 so as to spread laterally. As a result, the foreign matter dropped between the basic rail 104 and the tongrel 105 in the track branching portion 100 is blown off by the compressed air ejected from the nozzle 23 and removed.

  In the trajectory branching unit 100, when the point switching operation based on the point switching signal from the host control device is performed, if the point switching operation is not completed within a predetermined time, the host control device It is determined that the point switching operation has failed. Then, based on a command from the higher-level control device, the switch is operated, an operation for returning the Tongrel 105 to the original position is performed, and a point switching operation (retry operation) is performed again. In this case, in the controller 16, compressed air is injected according to the timing at which the retry operation is performed.

  14 and 15 are flowcharts for explaining the injection timing of the compressed air in the foreign matter removing apparatus 1 when the compressed air is injected in accordance with the timing at which the retry operation is performed. When the vehicle traveling track is switched from the reference line side to the branch line side, the injection timing of the branch line side nozzle unit 14a is controlled along the flowchart of FIG. Thus, the injection timing of the reference line side nozzle unit 14b is controlled. On the other hand, when the vehicle travel track is switched from the branch line side to the reference line side, only the injection timing of the branch line side nozzle unit 14a is controlled along the flowchart of FIG.

  First, the injection timing of the branch line side nozzle unit 14a when the vehicle traveling track is switched from the reference line side to the branch line side will be described with reference to FIG. In the state in which the point switching operation is not performed, the controller 16 monitors whether or not a point switching signal is transmitted from the host control device to the motor drive device that operates the switch (step S101). ). When the point switching signal is transmitted from the host control device, the point switching signal is also received by the controller 16. When the controller 16 receives the point switching signal (S101, Yes), the electromagnetic switching valve 20a is switched to the communication position based on a command from the controller 16, and compressed air is discharged from the nozzles 23 of the branch line side nozzle units 14a. It will be injected (step S102).

  The controller 16 is provided with a timer, and in step S102, the timer measures the compressed air injection time in the branch line side nozzle unit 14a. Although not shown in the flowchart of FIG. 14, when the time measured by the timer passes a predetermined time, the electromagnetic switching valve 20 a is switched to the cutoff position based on a command from the controller 16, and each branch line side The injection of compressed air from the nozzle 23 of the nozzle unit 14a is stopped.

  When step S102 is performed, the controller 16 measures the time from the stop of the injection of compressed air with a timer, and when a predetermined time has elapsed from the stop of the injection, a signal ( It is detected whether or not a point switching completion signal is transmitted from the host control device. That is, the controller 16 determines whether or not the separating operation of the Tongle rail 105 from the basic rail 104 has been completed on the branch line side (step S103). When the point switching operation is completed and it is determined that the tongue rail 105 is separated from the basic rail 104 (S103, Yes), the branch line side nozzle unit 14a in the case where the vehicle traveling track is switched from the reference line side to the branch line side. The control of the compressed air injection operation from the end is completed. The completion of the point switching operation is detected by a limit switch or the like, and the detection result is transmitted to the controller 16 as a point switching completion signal through processing by a host control device.

  On the other hand, when the point switching operation is not completed, the trajectory branching unit 100 performs the above-described retry operation based on a command from the host control device. In this case, since the point switching signal is not received by the controller 16, it is not detected that the tongrel 105 is separated from the basic rail 104 (No in S103). At this time, the controller 16 determines whether or not the operation for returning the branch line-side tongrel 105 to the position where it contacts the basic rail 104 is completed based on the control of the host controller (step S104). That is, the controller 16 detects whether or not a signal indicating whether or not the return operation of the Tongrel 105 has been completed is transmitted from a higher-level control device. Note that the completion of the return operation of the Tongrel 105 is detected by a limit switch or the like, and the detection result is transmitted to the controller 16 through processing in the host control device.

  The above processing (step S104) is repeated until it is determined that the return operation of the tongrel 105 is completed (S104, No). Then, when it is determined that the return operation of the tongrel 105 is completed (S104, Yes), it is determined that the retry operation is started, and the processing after step S102 is repeated. Thereby, the injection operation of the compressed air from the nozzle 23 of the branch line side nozzle unit 14a is performed at the timing immediately before the retry operation.

  If the point switching operation is not successful even if the retry operation is performed a predetermined number of times, a process for activating an alarm and notifying an attendant is performed in the host control device. Then, point switching by manual operation is performed by the staff. In this case, a signal indicating whether or not the point switching has failed is transmitted from the host control device to the controller 16. Then, in the controller 16, the process shown in FIG. 14 is interrupted and forcibly ended in a state where the electromagnetic switching valve 20 a is held at the cutoff position.

  Next, the injection timing of the reference line side nozzle unit 14b when the vehicle traveling track is switched from the reference line side to the branch line side will be described with reference to FIG. As in the case of the process shown in FIG. 14, the controller 16 monitors whether or not a point switching signal is transmitted from a host control device in a state where the point switching operation is not performed (step S201). ). When the point switching signal is received by the controller 16 (S201, Yes), the electromagnetic switching valve 20b is switched to the communication position based on a command from the controller 16 and compressed from the nozzles 23 of the respective reference line side nozzle units 14b. Air is injected (step S202).

  In step S202, the injection time of the compressed air in the reference line side nozzle unit 14b is measured by a timer provided in the controller 16. Although not shown in the flowchart of FIG. 15, when a predetermined time has elapsed by the timer, the electromagnetic switching valve 20 b is switched to the shut-off position based on a command from the controller 16, and each reference line side The injection of compressed air from the nozzle 23 of the nozzle unit 14b is stopped.

  When step S202 is performed, the controller 16 measures the time from the stop of the injection of compressed air with a timer, and when a predetermined time has elapsed since the stop of the injection, a signal ( It is detected whether or not a point switching completion signal is transmitted from the host control device. That is, the controller 16 determines whether or not the operation in which the Tongle rail 105 contacts the basic rail 104 is completed on the reference line side (step S203). When it is determined that the point switching operation is completed and the tongue rail 105 is in contact with the basic rail 104 (S203, Yes), the reference line side nozzle unit when the vehicle traveling track is switched from the reference line side to the branch line side. The control of the compressed air injection operation from 14b ends.

  On the other hand, when the point switching operation is not completed, the trajectory branching unit 100 performs the above-described retry operation based on a command from the host control device. In this case, since the point switching signal is not received by the controller 16, it is not detected that the tongue rail 105 has come into contact with the basic rail 104 (S203, No). At this time, the controller 16 determines whether or not the operation for returning the reference line side Tongrel 105 to the position separated from the basic rail 104 is completed based on the control of the host control device (step S204). That is, the controller 16 detects whether or not a signal indicating whether or not the return operation of the Tongrel 105 has been completed is transmitted from a higher-level control device.

  The above processing (step S204) is repeated until it is determined that the return operation of the tongrel 105 has been completed (S204, No). Then, if it is determined that the return operation of the Tongrel 105 has been completed (S204, Yes), it is determined that the retry operation is started, and the processing from step S202 onward is repeated. Thereby, the injection operation of the compressed air from the nozzle 23 of the reference line side nozzle unit 14b is performed at the timing immediately before the retry operation.

  Incidentally, even if the retry operation is performed a predetermined number of times, if the point switching operation is not successful, the controller 16 shuts off the electromagnetic switching valve 20b as in the case of the end processing of FIG. The process shown in FIG. 15 is interrupted and forcibly terminated while being held in the position.

  When the vehicle traveling track is switched from the branch line side to the reference line side, as described above, the electromagnetic switching valve 20b is not switched at the shut-off position, and the injection of compressed air from the reference line side nozzle unit 14b is not performed. Not done. And only control of the injection timing in the branch line side nozzle unit 14a by the controller 16 is performed similarly to the process shown in FIG. Note that the description of the control of the injection timing of the branch line side nozzle unit 14a by the controller 16 in this case is the same as the above description based on FIG.

(Effect of foreign matter removal device)
According to the foreign matter removing apparatus 1 described above, in the track branching portion 100 of the slab track 110 where the guard 102 and the road surface plate 103 are installed, the first rail extending along the basic rail 104 toward the tongue rail 105 side with respect to the basic rail 104. A groove 111 is provided. The header pipe 13 connected to the nozzle unit 14 is installed in the first groove 111. For this reason, the processing for attaching the nozzle unit 14 and the header pipe 13 is not performed on the rails (104, 105), and the labor required for construction work and maintenance work is greater than in the case of the conventional foreign matter removing apparatus. Will be reduced. Further, a floor plate 15 is disposed between the lower side of the tongrel 105 and the upper side of the header tube 13, and the header tube 13 is fixed to the floor plate 15. For this reason, by fixing the floor board 15 to the slab track 110, the header pipe 13 can also be installed on the slab track 110, and the labor required for construction work and maintenance work can be reduced compared with the case of the conventional foreign matter removing apparatus. Can be greatly reduced. In addition, since the header pipe 13 is installed in the first groove 111, the size of the first groove 111 provided in the slab track 110 is set small while ensuring a sufficiently large cross-sectional area of the header pipe 13. In addition, it is possible to easily install the header pipe 13 having a sufficient cross-sectional dimension in order to secure a necessary amount of compressed air ejected from each nozzle 23. Accordingly, it is not necessary to provide a large number of compressed air supply holes in the header pipe 13, and in order to install such a supply pipe for supplying compressed air to the many supply holes, the holes on the side surface of the guide 101 are originally processed. It is not necessary. For this reason, the labor required for construction work and maintenance work can be greatly reduced as compared with the conventional foreign matter removing apparatus. In addition, since it is not necessary to process the hole on the side surface of the guide 101 and install the pipe, the pipe is not arranged between the pair of guards (102, 102), and the pair of guards (102, 102) is not connected when the vehicle is derailed. It is possible to prevent the air pipe 12 that is a pipe for supplying compressed air from being cut and damaged by the wheel when the wheel travels.

  Therefore, according to the present embodiment, the air supplying compressed air at the track branching portion 100 provided with the concrete guard 102 and the road surface plate 103 along the rail in order to cope with the derailment due to the earthquake on the slab track 110. It is possible to provide the foreign matter removing device 1 at the track branching portion that can prevent the pipe 12 from being damaged by running of the derailed wheel and can easily perform the construction work and the maintenance work.

  Further, according to the foreign matter removing apparatus 1, the air source device 11 is disposed outside the branch line side, and the air pipe 12 that supplies the compressed air to the header pipe 13 on the reference line side and the branch line side includes the road surface plate 103. Is disposed in the second groove 112 provided in the slab track 110 so as to pass below the slab track 110. Therefore, the air pipe 12 for supplying the compressed air to the header pipe 13 is not disposed so as to pass below the pair of guards (102, 102), and the pair of guards (102, 102) when the vehicle is derailed. It is possible to reliably prevent the air pipe 12 that is the compressed air supply pipe from being cut and damaged by the wheel when the wheel travels between them. Further, in the foreign matter removing apparatus 1, since the air pipe 12 is disposed in the second groove 112 provided in the slab track, processing for installing the air pipe 12 is performed on the rails (104, 105) and the guide 101. Thus, construction work and maintenance work can be performed more easily.

  Further, according to the foreign matter removing apparatus 1, on the branch line side, the plurality of nozzle units 14 a are arranged between the basic rail 104 disposed on both sides of the Tongrel 105 and the floor plate 15 between one of the pair of road surface plates 103. Arranged in between. For this reason, in the region between the basic rail 104 and one of the road surface plates 103, the compressed air injected from the nozzle units 14a arranged in a distributed manner along the longitudinal direction of the rails (104, 105), Foreign matter is efficiently removed. And according to this embodiment, since the dimension of the width direction of the nozzle unit 14a is formed large enough, in the state which the tongrel 105 contact | abutted to the basic rail 104, between the tongley rail 105 and a pair of road surface plates 103 Foreign matter can be removed by jetting compressed air in a region between the two. Furthermore, since the dimension in the width direction of the nozzle unit 14 a is set to be larger than the dimension in the width direction of the tongrel 105, the basic rail 104 and the tongrel 105 are separated even when the tongrel 105 is separated from the basic rail 104. Foreign matter can be removed by jetting compressed air in the area between the two.

  Moreover, according to the foreign matter removing apparatus 1, the controller 16 controls the injection timing of the branch line side nozzle unit 14a so that the compressed air is injected at a timing before the Tongler 105 is separated from the basic rail 104. For this reason, it is the timing before the tongrel 105 is separated from the basic rail 104 and moves toward one of the pair of road plates 103, and between the tongrel 105 and one of the pair of road plates 103. The foreign matter in the region can be efficiently removed.

[Second Embodiment]
(Overall configuration of foreign substance removal device)
Next, a description will be given of a foreign matter removing device 2 (hereinafter simply referred to as “foreign matter removing device 2”) for a track branching portion according to a second embodiment of the present invention. The foreign matter removing apparatus 2 is provided for a track branching portion configured in the same manner as the track branching portion 100 of the slab track 110 shown in FIG. 1 and injects compressed air between the basic rail 104 and the tongrail 105. It is installed to remove foreign matter such as snow that has fallen on the ground. The foreign matter removing device 2 includes the air source device 11, the air pipe 12, the header pipe 13, the floor plate 30, the nozzle unit 31, the controller 16, and the like, like the foreign matter removing device 1 of the first embodiment. ing. However, the foreign substance removal apparatus 2 differs from the foreign substance removal apparatus 1 of the first embodiment in the configuration of the floor board 30 and the nozzle unit 31. In the following description of the foreign matter removing apparatus 2, the configurations of the floor plate 30 and the nozzle unit 31 that are different from those in the first embodiment will be described, and elements that are configured in the same manner as in the first embodiment are denoted by the same reference numerals in the drawings. The description will be omitted by attaching or using the same reference numerals. Moreover, since the injection timing of the compressed air in the foreign material removal apparatus 2 is controlled similarly to the injection timing of the compressed air in the foreign material removal apparatus 1 of 1st Embodiment, description of the operation | movement of the foreign material removal apparatus 2 is also abbreviate | omitted.

(Configuration of floorboard)
FIG. 16 is an enlarged view showing a part of the foreign matter removing apparatus 2 provided in the track branching section 100, and is an enlarged view showing the vicinity of the end portion of the tongrail 105 on the branch line side. FIG. 17 is a cross-sectional view as viewed from the position of the arrow HH in FIG. 16 and shows the slab track 110 in a cut-out cross section. FIG. 18 is a view as seen from the direction of the arrow I in FIG. 17 and shows the slab track 110 omitted. FIG. 19 is a perspective view showing the foreign substance removing device 2 provided in the track branching section 100 in a notched state, and is a diagram showing a partially cut section. FIG. 20 is an enlarged view of a part of the foreign matter removing apparatus 2 provided in the track branching section 100, and is an enlarged view of the vicinity of the end portion of the Tongler 105 on the reference line side. FIG. 21 is a cross-sectional view as seen from the position of the arrows JJ in FIG. 20 and shows the slab track 110 in a cut-out cross section. A plurality of floor boards 30 shown in FIGS. 16 to 21 are arranged side by side along the longitudinal direction of the Tongrel 105 on each of the reference line side and the branch line side, similarly to the floor board 15 of the first embodiment. The floor boards 30 arranged adjacent to each other are arranged in parallel with each other, and each floor board 30 is arranged below the tongrel 105 and above the header pipe 13.

  Further, as shown in FIGS. 16 to 21, each floor board 30 is configured as a two-layer structure in which an upper floor board 32 and a lower floor board 33 are overlaid. Both the upper floor board 32 and the lower floor board 33 are formed in a flat plate shape, and the upper floor board 32 having a smaller area extending in the horizontal direction than the lower floor board 33 is disposed above the lower floor board 33. Moreover, the upper floor board 32 and the lower floor board 33 are formed with the steel material, for example. Then, the Tongleil 105 is slidably disposed on the upper floor board 32, and the basic rail 104 is fixed on the lower floor board 33.

  Unlike the first embodiment, the upper floor board 32 is formed thicker than the lower floor board 33. Thereby, the height position in the up-down direction of the upper surface of the upper floor board 32 is set higher than in the first embodiment, and the height dimension in the up-down direction of the tongrel 105 is set lower than in the first embodiment. Has been. Moreover, the edge part which opposes the side of the basic rail 104 in the upper floor board 32 is formed so that it may extend to the position which adjoins toward the side surface above the bottom part in the basic rail 104. As shown in FIG.

  The upper floor board 32 is fixed to the lower floor board 33 using bolts or the like, and is configured to be removable. Thereby, when the upper floor board 32 is worn by sliding contact with the Tongrel 105, only the upper floor board 32 can be replaced without replacing the lower floor board 33, and maintenance work can be easily performed. The header pipe 13 is fixed to the lower floor plate 33 by welding or the like. Thus, the lower floor board 33 is installed and fixed on the slab track 110, so that the header pipe 13 can be installed on the slab track 110 at the same time.

(Configuration of nozzle unit)
The nozzle unit 31 shown in FIGS. 16 to 21 is provided as a nozzle mechanism that injects the compressed air supplied from the air source device 11 between the basic rail 104 and the tongue rail 105 and in the vicinity thereof. The nozzle unit 31 includes a branch line side nozzle unit 31a disposed on the branch line side and attached to the header pipe 13 on the branch line side, and a nozzle line 31 disposed on the reference line side and on the header line 13 on the reference line side. And a reference line side nozzle unit 31b attached thereto. A plurality of branch line side nozzle units 31 a and reference line side nozzle units 31 b are provided, and are arranged in series along the longitudinal direction on the upper surface side of each header pipe 13. Further, the branch line side nozzle unit 31 a is disposed between the floor board 30 and the floor board 30 that are arranged side by side along the longitudinal direction of the Tongle rail 105. Similarly, the reference line side nozzle unit 31b is also arranged between the floor board 30 and the floor board 30 arranged side by side along the longitudinal direction of the Tongle rail 105.

  FIG. 22 is a plan view of the branch line side nozzle unit 31a (FIG. 22B) and a side view thereof (FIG. 22A). FIG. 23 is a diagram showing the nozzle unit 31a viewed from the direction of the arrow K in FIG. As shown in FIGS. 16 to 18, 22, and 23, each branch line side nozzle unit 31 a includes a base part 34, a first communication part 35, a plurality of first nozzle parts 36, a second nozzle part 37, Etc. are provided.

  The base part 34 is provided as a rectangular parallelepiped block-like member, and is fixed in a state of being arranged along the longitudinal direction with respect to the upper surface of the header pipe 13 arranged on the branch line side. The base portion 34 is formed with a plurality (for example, three) of communication holes 34a penetrating in the vertical direction.

  The first communication portion 35 is formed as a flat and curved cylindrical body. The first communication portion 35 is fixed to the upper surface of the base portion 34 on one end side, and is provided so as to extend side by side with the upper floor plate 32 in the floor plate 30. In addition, the first communication portion 35 has a hollow region partitioned as a flat and curved space inside thereof, on the end side fixed to the base portion 34, and the header tube 13 is connected to the first communication portion 35 via a plurality of communication holes 34 a. It communicates with the inside. As described above, the upper floor plate 32 of the floor plate 30 is formed to extend toward the side surface of the basic rail 104. For this reason, the upper floor board 32 forms a gap in which the first communication portion 35 is disposed below the Tongleil 105.

  A plurality of (for example, two) first nozzle portions 36 are provided and are formed in a thin block shape. The first nozzle portion 36 is attached to the upper surface of the portion of the first communication portion 35 fixed to the base portion 34 along the longitudinal direction of the branch pipe side header tube 13. The first nozzle portion 36 communicates with the header pipe 13 through the communication hole 34 a of the base portion 34 and the hollow area of the first communication portion 35 on the upper surface side of the branch pipe side header pipe 13. It is attached to do.

  The first nozzle portion 36 is provided with a plurality of (for example, three) nozzles 36a and a communication passage 36b. The plurality of nozzles 36a are each formed as a through hole, and are provided side by side in the width direction of the first nozzle portion 36 (a direction that is perpendicular to the longitudinal direction of the header tube 13 and horizontal). Each nozzle 36a is formed so as to inject compressed air along the longitudinal direction of the basic rail 104 and the tongrel 105 and obliquely upward. The nozzle 36a provided at the center of the plurality of nozzles 36a provided side by side is opened so as to inject compressed air obliquely upward along a plane (virtual plane) substantially parallel to the side surface of the basic rail 104. Is formed. On the other hand, the nozzles 36a arranged on both sides of the nozzle 36a provided in the center are formed so as to spread obliquely toward the side with respect to the injection direction of the center nozzle 36a and inject compressed air. ing. Thereby, it is comprised so that the injection range of compressed air may be expanded. 16 and 18, a path along the opening direction of the nozzle 36 a among the paths of the compressed air injected from the nozzle 36 a in the first nozzle portion 36 is illustrated by a two-dot chain line. The communication passage 36 b is formed as a space that communicates with the plurality of nozzles 36 a and communicates with the hollow region of the first communication portion 35.

  The second nozzle portion 37 includes a nozzle tube 38 and a plurality of nozzle blocks 39. The nozzle tube 38 is provided as a hollow rectangular pipe-shaped member formed in a thin rectangular parallelepiped shape, and both end portions are formed in a closed state. The nozzle tube 38 is disposed in contact with the side surface of the basic rail 104 along the longitudinal direction of the basic rail 104. Further, the nozzle tube 38 is fixed to the other end side of the first communication part 35 whose one end side is fixed to the base part 34, and the hollow area inside the nozzle pipe 38 is a hollow of the first communication part 35. It is configured to communicate with the area.

  A plurality (for example, four) of nozzle blocks 39 are provided in each second nozzle portion 37, and are formed as a thin block body. Each nozzle block 39 is attached to the nozzle tube 38 on the side surface opposite to the side surface that abuts on the basic rail 104 (the side surface facing the tongrel 105), and communicates with the hollow region inside the nozzle tube 38. It is attached as follows. The plurality of nozzle blocks 39 are mounted side by side along the longitudinal direction of the nozzle tube 38 (that is, along the longitudinal direction of the basic rail 104), and the mounting height position in the vertical direction is high and low. It is attached to be different in order according to the position.

  Each nozzle block 39 is provided with a plurality of (for example, two) nozzles 39a and a communication passage 39b. The plurality of nozzles 39a are each formed as a through hole, and are provided side by side in the vertical direction. Each nozzle 39a is formed with an opening so as to inject compressed air with a certain degree of spread toward the front of the Tongrel 105 with respect to the longitudinal direction of the basic rail 104. In addition, the nozzle 39a set to the position where the installation height position of the up-down direction is low among the plurality of nozzles 39a is, for example, 7 degrees (°) side (on the side of the Tongrel 105) with respect to the horizontal direction. An opening is formed so as to inject compressed air, and the nozzle 39a that is set at a high mounting height position in the vertical direction among the plurality of nozzles 39a is, for example, 5 degrees (°) with respect to the horizontal direction. An opening may be formed so as to inject compressed air toward the side (tongrel 105 side). 16 and 18, a path along the opening direction of the nozzle 39 a among the paths of the compressed air injected from the nozzle 39 a in the nozzle block 39 is illustrated by a two-dot chain line. The communication passage 39b is formed as a space communicating with the plurality of nozzles 39a and communicating with the hollow region of the nozzle tube 38. As described above, the second nozzle portion 37 is provided as a nozzle portion that communicates with the header pipe 13 on the branch line side via the first communication portion 35 and is disposed on the side surface of the basic rail 104.

  FIG. 24 shows a side view of the reference line side nozzle unit 31b together with a sectional view of the header pipe 13 on the reference line side. As shown in FIGS. 19 to 21 and 24, each reference line side nozzle unit 31 b includes a base portion 40, a second communication portion 41, a third nozzle portion 42, and the like.

  The base part 40 is provided as a rectangular parallelepiped block-like member, and is fixed in a state of being arranged along the longitudinal direction with respect to the upper surface of the header pipe 13 arranged on the reference line side. The base portion 40 is formed with a plurality of (for example, three) communication holes 40a penetrating in the vertical direction.

  The second communication portion 41 is formed as a flat cylindrical body that is flat and curved. And the 2nd communication part 41 is fixed to the upper surface of the base part 40 in one edge part side, and is provided so that it may extend along with the upper floor board 32 in the floor board 30. As shown in FIG. In addition, the second communication portion 41 has a hollow area defined as a flat and curved space inside thereof, on the end portion side fixed to the base portion 40, and the header tube 13 via the plurality of communication holes 40 a. It communicates with the inside. As described above, the upper floor plate 32 of the floor plate 30 is formed to extend toward the side surface of the basic rail 104. For this reason, the upper floor board 32 forms a gap in which the second communication portion 41 is disposed below the Tongleil 105.

  The third nozzle part 42 includes a nozzle tube 43 and a plurality of nozzle blocks 44. The nozzle tube 43 is provided as a hollow rectangular pipe-shaped member formed in a thin rectangular parallelepiped shape, and both end portions are formed in a closed state. The nozzle tube 43 is disposed in contact with the side surface of the basic rail 104 along the longitudinal direction of the basic rail 104. Further, the nozzle tube 43 is fixed to the other end portion side of the second communication portion 41 whose one end portion is fixed to the base portion 40, and a hollow region inside thereof is a hollow portion of the second communication portion 41. It is configured to communicate with the area.

  A plurality (for example, four) of nozzle blocks 44 are provided in each third nozzle portion 42, and are formed as a thin block body. Each nozzle block 44 is attached to the nozzle tube 43 on the side surface opposite to the side surface that contacts the basic rail 104 (the side surface facing the tongrel 105), and communicates with the hollow region inside the nozzle tube 43. It is attached as follows. The plurality of nozzle blocks 44 are mounted side by side along the longitudinal direction of the nozzle tube 43 (that is, along the longitudinal direction of the basic rail 104), and the mounting height position in the vertical direction is high and low. It is attached to be different in order according to the position.

  Each nozzle block 44 is provided with a plurality of (for example, two) nozzles 44a and a communication passage 44b. The plurality of nozzles 44a are each formed as a through hole, and are arranged side by side in the vertical direction. Each nozzle 44a is formed with an opening so as to inject the compressed air with a certain extent toward the front in a slanting direction toward the Tongrel 105 with respect to the longitudinal direction of the basic rail 104. In addition, the nozzle 44a set to a position where the mounting height position in the vertical direction among the plurality of nozzles 44a is low is, for example, 7 degrees (°) side (on the side of the Tonglele 105) with respect to the horizontal direction. An opening is formed to inject compressed air. On the other hand, among the plurality of nozzles 44a, the nozzle 44a that is set to a position where the mounting height position in the vertical direction is high is, for example, 5 degrees (°) side (on the side of the Tonglele 105) with respect to the horizontal direction. An opening is formed to inject compressed air. In FIG. 20, a path along the opening direction of the nozzle 44 a among the paths of the compressed air injected from the nozzle 44 a in the nozzle block 44 is illustrated by a two-dot chain line. The communication passage 44 b is formed as a space communicating with the plurality of nozzles 44 a and communicating with the hollow region of the nozzle tube 43. As described above, the third nozzle portion 42 is provided as a nozzle portion that communicates with the header pipe 13 on the reference line side via the second communication portion 41 and is disposed on the side surface of the basic rail 104.

(Effect of foreign matter removal device)
According to the foreign substance removal apparatus 2 demonstrated above, there can exist an effect similar to the foreign substance removal apparatus 1 of 1st Embodiment. That is, according to the second embodiment, compressed air is supplied to the track branching portion 100 provided with the concrete guard 102 and the road surface plate 103 along the rail in order to cope with the derailment due to the earthquake in the slab track 110. It is possible to provide the foreign matter removing device 2 at the track branching portion, which can prevent the air pipe 12 to be damaged by running of the derailed wheel and can easily perform construction work and maintenance work.

  Moreover, according to the foreign material removal apparatus 2, the foreign material in the area | region between the one of one of the pair of road boards 103 and the Tongrel 105 is arrange | positioned by the 1st nozzle part 36 arrange | positioned at the upper surface side of the header pipe 13 on the branch line side. Compressed air for removing can be injected. Then, the second nozzle portion 37 disposed on the side surface of the basic rail 104 facilitates the flow of compressed air along the basic rail 104 for removing foreign matters in the region between the basic rail 104 and the tongrel 105. Can be formed. Since a plurality of the second nozzle parts 37 are arranged along the longitudinal direction of the basic rail 104 on the branch line side, a continuous flow of compressed air along the basic rail 104 can be easily formed, and the foreign matter removal performance is further improved. Can be improved. Further, by forming the upper floor plate 32 of the floor plate 30 so as to extend toward the side surface of the basic rail 104 on the branch line side, it is aligned with the upper floor plate 32 in order to supply compressed air to the second nozzle portion 37. It is possible to easily ensure a gap for arranging the first communication portion 35 provided.

  Further, according to the foreign matter removing apparatus 2, the basic rail for removing foreign matters in the region between the basic rail 104 and the tongrel 105 by the third nozzle portion 42 arranged on the side surface of the basic rail 104 on the reference line side. A flow of compressed air along 104 can be easily formed. Since a plurality of the third nozzle portions 42 are arranged along the longitudinal direction of the basic rail 104 on the reference line side, a continuous flow of compressed air along the basic rail 104 can be easily formed, and the foreign matter removal performance is further improved. Can be improved. In addition, by forming the upper floor plate 32 of the floor plate 30 so as to extend toward the side surface of the basic rail 104 on the reference line side, it is aligned with the upper floor plate 32 in order to supply compressed air to the third nozzle portion 42. A gap for arranging the provided second communication part 41 can be easily secured.

(Modification)
Although the embodiments of the present invention have been described above, the present invention is not limited to the above-described embodiments, and various modifications can be made as long as they are described in the claims. For example, the following modifications can be implemented.

(1) In the above-described embodiment, the case where the air pipe that connects the air source device and the header pipe and supplies the compressed air branches to each header pipe and connects to the three is described as an example. This does not have to be the case. For example, only one air pipe connected without branching may be connected to each header pipe. In addition, an air pipe that branches and connects with each header pipe in a number other than three may be provided.

(2) The shape of the nozzle unit and the number and arrangement of nozzles in the nozzle unit are not limited to those exemplified in the above-described embodiment, and may be implemented with various changes. Further, the connection form between the header pipe and the nozzle unit may be variously changed.

  The present invention is provided as a foreign matter removing device for a raceway branching portion that is provided at a raceway branching portion in a slab raceway made of concrete and removes foreign matter dropped between a basic rail and a tongrel by injecting compressed air. Can be widely applied.

DESCRIPTION OF SYMBOLS 1 Foreign material removal apparatus 11 of track branch part Air source apparatus 13 Header pipe 14, 14a, 14b Nozzle unit 15, 21, 22 Floor board 23 Nozzle 100 Track branch part 102 Guard 103 Road surface board 104 Basic rail 105 Tongue rail 110 Slab track 111 1st 1 groove

Claims (6)

In a slab track made of concrete, provided for a track branching portion having a basic rail and a tongrail that can be brought into contact with and separated from the basic rail, and jetting compressed air, the basic rail and the A foreign matter removing device for a track branching portion that removes foreign matter dropped between the tongue rail and
A nozzle unit having a nozzle for injecting compressed air;
A header pipe connected to the nozzle unit;
An air source device for supplying compressed air to the nozzle unit via the header pipe;
A floor plate disposed below the tongrel and above the header pipe, and a plurality of floor boards disposed along the longitudinal direction of the tongrel.
With
In the track branching portion, a pair of outer sides of the basic rail on the reference line side on which the basic rail extends straight is arranged so as to extend along the basic rail, and is formed into a block shape with concrete and derailed from the vehicle Sometimes a pair of guards in which one of the derailed wheels runs inside, and a pair of the basic rail on the branch line side extending so that the basic rail is curved and a position on both sides sandwiching the tongrel along the basic rail A pair of road plates that are arranged so as to extend and are formed in a block shape with concrete and one of the derailed wheels travels on one upper surface when the vehicle is derailed, and
The header pipe and the nozzle unit are arranged on both the reference line side and the branch line side,
The header pipe is disposed on the Tongler side with respect to the basic rail, and is installed along a first groove formed in the slab track so as to extend along the basic rail. A foreign matter removing device for an orbit branching portion, wherein the foreign matter removing device is fixed to the trajectory. The foreign matter removing apparatus for a track branching portion according to claim 1,
The air source device is
Arranged on the outer side of the branch line side with respect to the orbital branch part,
A second slab track formed on the slab track so as to extend below the road surface plate with respect to the header pipe arranged on the reference line side and the header pipe arranged on the branch line side. A foreign matter removing apparatus for a track branching section, wherein compressed air is supplied through an air pipe arranged along a groove. The foreign matter removing device for a track branching portion according to claim 1 or 2,
A plurality of branch line side nozzle units, which are the nozzle units arranged on the branch line side, have a plurality of the nozzles, and are arranged side by side along the longitudinal direction of the tongrel. Arranged between the floorboards,
A dimension in the width direction of the branch line side nozzle unit is set to be larger than a dimension in the width direction of the tongrel, and the tongrel and the pair of roads are in contact with the basic rail. A foreign matter removing device for a track branching portion, which is set so that compressed air can be injected from one of the face plates to the nozzle. The foreign matter removing device for a track branching portion according to claim 3,
A controller for controlling the injection timing of injecting compressed air from the nozzle;
The controller controls the injection timing so that compressed air is injected from the nozzles in the branch line side nozzle unit before the Tongleil in contact with the basic rail on the branch line side is separated from the basic rail. The foreign matter removing device for the orbital branching portion, characterized in that The foreign matter removing device for a track branching portion according to claim 1 or 2,
A branch line side nozzle unit that is the nozzle unit disposed on the branch line side includes a first nozzle portion that is attached so as to communicate with the header pipe on the upper surface side of the header pipe disposed on the branch line side; A second nozzle portion that communicates with the header pipe disposed on the branch line side through a first communication portion provided so as to extend alongside the floor plate and is disposed on a side surface of the basic rail. Have
The floor plate is formed to extend toward a side surface of the basic rail so as to form a gap in which the first communication portion is disposed below the tongrel. Foreign matter removal device. The foreign matter removing device for a track branching portion according to claim 1 or 2,
The reference line side nozzle unit, which is the nozzle unit disposed on the reference line side, includes the header pipe disposed on the reference line side through a second communication portion provided so as to extend along with the floor plate. Having a third nozzle portion that communicates and is disposed on a side surface of the basic rail;
The floor plate is formed to extend toward a side surface of the basic rail so as to form a gap in which the second communication portion is disposed below the tongrel. Foreign matter removal device.