JP6681186B2 - Rail tread cleaning device - Google Patents

Description

  The present invention relates to a rail tread cleaning device for cleaning the tread of a rail of a railway.

  If volcanic ash or other ash falls on the treads of railroad rails, or if carcasses of insects or animals, fallen leaves, sand, dust, dirt, pebbles, mud, oil, or other dirt accumulate, the railroad wheels running on the rails will slip. It is necessary to clean the tread surface of the rail because the railroad crossing or the like may malfunction due to a malfunction of the electric system flowing on the rail.

  Therefore, conventionally, in the area where volcanic ash is always deposited by manually cleaning the rail tread with a broom, etc., in the area where volcanic ash is constantly deposited, the engine is used to rotate the wire brush to remove the volcanic ash deposited on the tread of the rail. A device has been proposed (for example, see Non-Patent Document 1).

“Kumamoto) Volcanic ash, cleaning, Minami Aso Railway introduces railroad vehicle” (Asahi Shimbun Digital, http://www.asahi.com/articles/ASH6230WBH62TLVB001.html)

  However, the above-mentioned conventional technique of Non-Patent Document 1 is an improvement of the mowing machine, and since the structure is such that the wire brush is rotated by a dedicated engine, there is a problem that the cost of fuel etc. is high and the noise is large. .

  Further, in the conventional technique of Non-Patent Document 1 described above, a rail tread cleaning device, which is an improved mowing machine, is attached to the rear carrier of a railroad vehicle to remove volcanic ash accumulated on the tread of the rail during forward traveling. Therefore, depending on the condition that the rail is slanted, and the insects and animal carcasses accumulated on the rail tread, fallen leaves, sand, dust, dirt, pebbles, mud, oil, etc. There may be cases where the slippage occurs and the tread surface of the rail cannot be cleaned efficiently.

  Therefore, the present invention has been made by paying attention to these problems and the like. First, it is possible to clean the tread surface of the rail at low cost and with low noise, without the need for an engine for rotating the brush. Secondly, it is another object of the present invention to provide a rail tread cleaning device capable of efficiently cleaning the tread of a rail without slipping.

In order to solve the above-mentioned problems, a rail tread cleaning device according to the present invention is a rail tread cleaning device for cleaning a tread of a rail, which is a connecting portion of a track bicycle traveling on the rail by a drive source such as an engine or a motor. A connecting rod, one end of which is detachably connected, and a rail tread, which is connected to the other end of the connecting rod and is pushed or towed by the track bicycle to run on the rail while cleaning the tread of the rail. The rail tread cleaning truck has a connecting portion to which the other end of the connecting rod is connected, and a truck main body provided with wheels that rotate on the rails on both left and right sides, and the truck main body. A drive gear provided on the rotation shaft of the wheel, and a rotation transmission mechanism section for transmitting the rotation of the drive gear when the trolley body travels on a rail and the wheel rotates. And having a rail tread cleaning mechanism section and the cleaner unit is provided for cleaning the tread of the rail receiving the rotation of the driving gear transmitted by the rotation transmitting mechanism.
Here, in the rail tread cleaning device according to the present invention, one end side of the connecting rod is detachably connected to a front connecting portion of the track bicycle, while the other end side of the connecting rod is the rail tread surface. It is preferable that the rail tread cleaning mechanism is connected to a rear connecting portion of the carriage main body of the cleaning carriage, and the rail tread cleaning mechanism cleans the rail tread in front of the track bicycle.
Further, in the rail tread cleaning device according to the present invention, the rail tread cleaning mechanism section includes a rotation shaft portion rotatably supported by the carriage body, and the rotation shaft portion includes the rotation transmission mechanism portion. A passive gear that rotates in response to the transmitted rotation of the drive gear, and a cleaner that rotates by the rotation of the passive gear to clean the tread surface of the rail are provided, and the rotating shaft portion is the carriage. The cleaner means provided obliquely with respect to the traveling direction of the main body rotates and the dirt accumulated on the tread surface on the rail is rotated to the outside obliquely rearward with respect to the traveling direction of the carriage main body. It may be configured to start wearing.
Further, in the rail tread cleaning device according to the present invention, the rotation transmission mechanism section includes a first transmission gear that meshes with the drive gear and rotates and transmits in a direction opposite to a rotation direction of the wheel, and a first transmission gear thereof. The transmission gear is fixed, and the transmission shaft is rotatably supported by the bogie main body, and the passive gear of the rail tread cleaning mechanism is fixed to the transmission shaft and rotates in the same direction as the first transmission gear. And a second transmission gear that meshes with the passive gear, the rotary shaft portion, and the cleaner means in the same direction as the rotation direction of the wheel.
Further, in the rail tread cleaning device according to the present invention, as the passive gear of the rail tread cleaning mechanism unit, a plurality of the passive gears having different numbers of teeth are provided on the rotary shaft portion, and the plurality of the passive gears are provided. It is more preferable that the number of rotations of the cleaner means can be changed by selecting one of the passive gears.
Further, in the rail tread cleaning device according to the present invention, a brake protrusion protruding downward is provided on the track bicycle side which is one end side of the connecting rod, and the other end of the rail tread cleaning carriage is provided. When one end side of the connecting rod whose side is connected is disconnected from the connecting portion of the track bicycle, one end side of the connecting rod descends and the brake protrusion comes into contact with the road surface between the rails, and the rail tread surface. It is even better to configure so that the cleaning cart can be prevented from running away.

ADVANTAGE OF THE INVENTION According to the rail tread cleaning apparatus of this invention, the connecting rod which one end side is detachably connected with the connecting part of a track | truck bicycle, and the other end side of the connecting rod is connected, and it is pushed or pulled by a track | track bicycle, and a rail is connected. A rail tread cleaning carriage that cleans the treads of the rails while traveling on the rail, and the rail tread cleaning carriage is a carriage main body provided with wheels that rotate on the rails on both left and right sides, and a main body of the carriage. The drive gear provided on the rotation shaft of the wheel, the rotation transmission mechanism section that transmits the rotation of the drive gear when the bogie body travels on the rail and the wheel rotates, and the drive transmitted by the rotation transmission mechanism section And a rail tread cleaning mechanism portion provided with cleaner means for cleaning the tread of the rail by receiving the rotation of the gear.
Therefore, the rail tread cleaning device of the present invention does not require a drive source such as an engine or a motor for traveling, an engine for operating the cleaner means, and the like, and can clean the rail tread with low cost and low noise. it can.
In the rail tread cleaning device of the present invention, one end of the connecting rod is detachably connected to the front connecting portion of the track bicycle, and the other end of the connecting rod is connected to the rear of the main body of the rail tread cleaning carriage. When the rail tread cleaning mechanism is connected to the rail tread, the rail tread cleaning mechanism cleans the rail tread in front of the track bicycle, so that the rail tread can be efficiently cleaned without slipping the track bicycle.

It is a side view showing the state where the rail tread cleaning device of the embodiment concerning the present invention was connected with the track bicycle. It is a top view showing the state where the rail tread cleaning device of the embodiment concerning the present invention was connected with the track bicycle. It is a side view showing a rail tread cleaning device of an embodiment concerning the present invention connected with a track bicycle. It is a top view showing a rail tread cleaning device of an embodiment concerning the present invention connected with a track bicycle. It is a top view of the rail tread cleaning device of the embodiment concerning the present invention. FIG. 3 is an enlarged plan view showing a wheel, a rail tread cleaning mechanism portion, and the like on one side of the rail tread cleaning device according to the embodiment of the present invention. It is a side view of the rail tread cleaning device of the embodiment concerning the present invention. FIG. 3 is an enlarged side view showing a portion such as a wheel on one side and a rail tread cleaning mechanism portion of the rail tread cleaning device of the embodiment according to the present invention. It is a bottom view of the rail tread cleaning device of the embodiment concerning the present invention. 3A and 3B are an enlarged plan view and an enlarged side view, respectively, of a portion including a connecting rod in a state in which the rail tread cleaning device of the embodiment according to the present invention is connected to the rail tread cleaning device. 3A and 3B are an enlarged plan view and an enlarged side view, respectively, of a portion including a connecting rod in a state where the rail tread cleaning device of the embodiment according to the present invention is not connected to the rail tread cleaning device. It is a side view showing the state where the rail tread cleaning device of the embodiment concerning the present invention is not connected with a track bicycle.

  Next, the rail tread cleaning device 1 of the embodiment according to the present invention will be described. In addition, in the rail tread cleaning device 1 of the embodiment described below, it is described that the volcanic ash accumulated on the tread of the rail is removed, but the removal of the volcanic ash is merely an example of the present invention, and the rail tread according to the present invention. With the cleaning device, it is also possible to remove dirt other than volcanic ash, such as carcasses of insects and animals that have accumulated or adhered to the treads of rails, fallen leaves, sand, dust, dirt, pebbles, mud, oil, etc. Is.

<< Structure of the rail tread cleaning device 1 of the present embodiment >>
As shown in FIGS. 1 to 4, the rail tread cleaning device 1 of the embodiment is a device that removes ash fall such as volcanic ash accumulated on the tread of the rail R, and the tread of the rail R by a drive source such as an engine or a motor. It is used by being pushed or towed by being connected to the track bicycle 2 running on it. It is connected to the track bicycle 2 without being equipped with a drive source such as an engine or a motor, and is pushed or towed. It is a device that removes ash fall such as volcanic ash accumulated on the tread surface of the rail R while being run on the rail R.

  As shown in FIGS. 5 to 9, the rail tread cleaning device 1 of the embodiment does not include a drive source such as an engine or a motor and is pushed by the track bicycle 2 to travel on the rail R while rotating wheels. A rail tread cleaning carriage 11 for converting the force into a rotating force of a brush to remove ash fall such as volcanic ash accumulated on the rail R, and one end side is detachably connected to a connecting portion of the track bicycle 2 while the other end is The side has a connecting rod 12 connected to the connecting portion of the rail tread cleaning carriage 11.

<Structure of the truck 11 for cleaning the rail tread>
As shown in FIGS. 5 to 9, the rail tread cleaning trolley 11 includes a trolley body 11a made of aluminum square material and wheels 11c rotatably provided on the trolley body 11a via a rotation shaft 11b. , 11c, a drive gear 11d provided on the rotary shaft 11b, a rotation transmission mechanism 11e, and a rail tread cleaning mechanism 11f.

  The rotation transmission mechanism section 11e transmits the rotation of the drive gear 11d when the truck main body 11a travels on the rail R and the wheels 11c, 11c rotate, and is a spur gear that meshes with the drive gear 11d and rotates. A certain first transmission gear 11e1, a first transmission gear 11e1 that is fixed, and a transmission shaft portion 11e2 that is rotatably supported by a bogie body 11a by a ball bearing or the like, and slides in the longitudinal direction with respect to the transmission shaft portion 11e2. The second transmission gear 11e3, which is formed of a bevel gear and the like, is provided.

  The transmission shaft portion 11e2 is formed with a slide guide groove 11e21 of a predetermined length so that the second transmission gear 11e3 can slide in the longitudinal direction thereof, and protrudes from the center of the second transmission gear 11e3 such as a bevel gear. The projection 11e31 fits into the slide guide groove 11e21 and is guided and slides so that the second transmission gear 11e3, which is a bevel gear or the like, can move in the longitudinal direction of the transmission shaft 11e2 and rotates together with the transmission shaft 11e2. It is configured to be able to.

  The rail tread cleaning mechanism portion 11f includes a rotary shaft portion 11f2 rotatably supported by the carriage main body 11a via a rotary bearing portion 11f1 and a bevel tooth of a rotation transmission mechanism portion 11e provided on the rear end side of the rotary shaft portion 11f2. The multi-stage passive gear 11f3 that rotates by meshing with the second transmission gear 11e3, which is a gear and the like, and the multi-stage passive gear 11f3, which is provided on the tip side of the rotating shaft portion 11f2, is rotated by the rotation of the multi-stage passive gear 11f3 and is accumulated on the rail R A rotary brush 11f4 as a cleaner means for removing ash fall such as volcanic ash, and a crushed stone avoidance 11f5 for avoiding crushed stones are provided in front of the rotary brush 11f4. Incidentally, the crushed stone avoidance 11f5 is removable and may be omitted.

  The rotation shaft portion 11f2 of the rail tread cleaning mechanism portion 11f is, as shown in FIG. 5 and FIG. 6 and the like, on both sides of the carriage main body 11a via the rotation bearing portion 11f1, respectively, oblique angles to the traveling direction, specifically, It is provided at an angle of 45 degrees.

  Therefore, as shown in FIG. 5 and FIG. 6 etc., the rotary shaft portions 11f2 provided on both sides of the bogie body 11a respectively have a rear end portion to which the multi-stage passive gear 11f3 is attached while protruding inside the bogie body 11a. Since the tip end portion to which the rotating brush 11f4 is attached protrudes to the outside of the truck main body 11a, the left and right rotating brushes 11f4 are provided in front of the wheels 11c and 11c of the truck main body 11a and run on the left and right rails R. become.

  As a result, when the left and right rotary brushes 11f4 rotate, the ash such as volcanic ash accumulated on the rail R can be put out to the outside obliquely rearward with respect to the traveling direction of the carriage main body 11a, and the volcanic ash and the like can be efficiently supplied. Can be removed. Further, since the left and right rotary brushes 11f4 are not swept to the outside of the left and right rails R and swept between the rails R, the volcanic ash and the like can be efficiently removed in this respect as well.

  The multi-stage passive gear 11f3 of the rail tread cleaning mechanism 11f has two (two) passive gears 11f31 and 11f32 having different numbers of teeth, that is, the first-passive gear 11f31 and the second-passive gear 11f32 are rotating shafts. It is slidably provided on the portion 11f2, and is configured so that the number of rotations of the left and right rotating brushes 11f4 can be changed.

  Specifically, the rotary shaft portion 11f2 is formed with a slide guide groove 11f21 of a predetermined length so that the multi-stage passive gear 11f3 can slide in the longitudinal direction thereof, and the protrusion 11f33 protruding from the center of the multi-stage passive gear 11f3. Is fitted in the slide guide groove 11f21 and is guided and slides, so that the multi-stage passive gear 11f3 moves in the longitudinal direction of the rotating shaft portion 11f2.

  Therefore, as shown in FIGS. 5 and 6, the first-stage passive gear 11f31 of the multi-stage passive gear 11f3 meshes with the second transmission gear 11e3, which is a bevel gear of the transmission shaft portion 11e2, or the multi-stage passive gear 11f3. The entire body slides and the second-stage passive gear 11f32 meshes with the second transmission gear 11e3 formed of the bevel gear or the like of the transmission shaft portion 11e2, whereby the rotation speed of the rotary brush 11f4 can be changed. Here, the state shown in FIG. 6 is a state in which the first-stage passive gear 11f31 meshes with the second transmission gear 11e3. From this state, in order to mesh the second-stage passive gear 11f32 with the second transmission gear 11e3, the entire multi-stage passive gear 11f3 is rotated diagonally downward to the left in FIG. 6 according to the slide guide groove 11f21 of the rotary shaft portion 11f2. While sliding in the direction of the brush 11f4, the second transmission gear 11e3 made of a bevel gear or the like is slid in the upward direction of the first transmission gear 11e1 in FIG. 6 according to the slide guide groove 11e21 of the transmission shaft portion 11e2.

  The number of stages of the passive gears 11f31 and 11f32 of the multi-stage passive gear 11f3 is arbitrary, and may be three or more, or may be one if the rotational speed does not need to be changed. Further, the rotating brush 11f4, which is a cleaner means, is not particularly limited to a wire brush made of steel, a nylon brush made of resin, or a brush made of a natural material.

<Structure of connecting rod 12>
The connecting rod 12 is used to convert the rail tread cleaning carriage 11 into the track bicycle 2 as shown in FIGS. 1 to 4, and as shown in FIGS. 10 and 11, one end side of the connecting rod body 12a ( The connecting portion 12b provided on the right side of the drawing is detachably connected by inserting the inserting / removing pin 12c into the connecting portion 21 of the track bicycle 2. Therefore, the connecting portion 12b of the connecting rod 12 is formed with a pin hole 12b1 into which the inserting / removing pin 12c is inserted.

  On the other hand, a connecting portion 12d is provided on the other end side (left side in the drawing) of the connecting rod 12, and the connecting portion 12d is provided at the rear end portion of the truck main body 11a of the rail tread cleaning carriage 11. It is connected to the portion 11a1 via a connecting bolt 12e so as to be vertically rotatable.

  Then, in the connecting rod 12 of the present embodiment, the angle member 12f having the protruding portion 12f1 for the brake protruding downward is provided below the connecting portion 12b provided on one end side (the right side in the drawing) of the connecting rod body 12a. It is provided. A pin hole 12f2 is formed in this angle member 12f as well as the connecting portion 12b so that the insertion / removal pin 12c can be inserted.

<< Operation of Rail Tread Cleaning Device 1 of this Embodiment >>
Next, the operation of the rail tread cleaning device 1 of the present embodiment configured as described above will be described.

<When the rail tread cleaning device 1 of this embodiment moves forward>
As shown in FIGS. 1 to 4, the rail tread cleaning device 1 is connected to the front of the track bicycle 2 via the connecting rod 12, and when the track bicycle 2 moves leftward in the figure, it is connected to the front of the track bicycle 2. The rail tread cleaning device 1 of the present embodiment thus pushed is also pushed forward.

  Then, the wheels 11c, 11c provided on the left and right sides of the bogie body 11 of the rail tread cleaning carriage 11 and the rotating shaft 11b rotate, and the drive gear 11d provided on the rotating shaft 11b also rotates with the wheels 11c, 11c. It rotates in the same direction as the shaft 11b.

  In the rotation transmission mechanism section 11e, the first transmission gear 11e1 meshing with the drive gear 11d rotates in the opposite direction to the rotation direction of the wheels 11c, 11c and the drive gear 11d by the rotation of the drive gear 11d, and the transmission shaft section 11e2. The second transmission gear 11e3 formed of a bevel gear or the like also rotates in the direction opposite to the rotation direction of the wheels 11c, 11c and the drive gear 11d.

  In the rail tread cleaning mechanism 11f, the multistage passive gear 11f3 provided on the rear end side of the rotating shaft 11f2 meshing with the second transmission gear 11e3 rotates in the opposite direction to the second transmission gear 11e3. , The wheels 11c, 11c and the drive gear 11d rotate in the same direction.

  Then, the rotating brush 11f4 provided on the tip end side of the rotating shaft portion 11f2 rotates in the same direction as the rotating directions of the wheels 11c, 11c and the drive gear 11d together with the rotating shaft portion 11f2 by the rotation of the multistage passive gear 11f3.

  That is, when the rail tread cleaning device 1 of the present embodiment also moves forward by the advancing track bicycle 2, the rotation of the wheels 11c, 11c is transmitted to the rotation transmission mechanism 11e via the rotation shaft 11b and the drive gear 11d, and the rotation is transmitted. The rotation brush 11f4 is transmitted from the mechanism portion 11e to the rail tread cleaning mechanism portion 11f, and the rotating brush 11f4 rotates in the same direction as the rotation direction of the wheels 11c, 11c and the drive gear 11d.

  Here, the rotation shaft portions 11f2 of the rail tread cleaning mechanism portion 11f are provided on both sides of the carriage main body 11a at an oblique angle with respect to the traveling direction, specifically, at an angle of 45 degrees. As shown in FIGS. 4 to 6 and the like, the rotating shaft portions 11f2 provided on both sides of the carriage body 11a each have a rear end projecting inside the carriage body 11a, and a tip end to which the rotating brush 11f4 is attached is a carriage. It projects outside the main body 11a, is provided in front of the wheels 11c, 11c of the rotary brush 11f4 bogie main body 11a, and travels on the left and right rails R.

  Since the rotating brush 11f4 on the rail R rotates in the same direction as the rotating direction of the wheels 11c, 11c and the drive gear 11d, the left and right rotating brushes 11f4 are accumulated on the rail R by rotating respectively. Falling ash such as volcanic ash is put out to the outside obliquely rearward with respect to the traveling direction of the carriage main body 11a.

  Therefore, according to the rail tread cleaning device 1 of the present embodiment, even if the rotation source of the cleaner means 11f for the engine or the motor is not mounted, it is possible to remove the volcanic ash accumulated on the rail R, and at that time, Volcanic ash accumulated on the R can be swept to the outside of the rail R without being swept between the rails R, and the volcanic ash can be efficiently removed.

  Further, since the rail tread cleaning device 1 is connected to the front of the track bicycle 2, when the track bicycle 2 moves forward, the track bicycle 2 is removed after the volcanic ash and the like are removed by the rail tread cleaning device 1 of the present embodiment. Will be traveling on the rail R.

  Therefore, in the case of an uphill road or the like, in the case of a railroad vehicle equipped with a rail tread cleaning device at the rear as in the prior art, the wheels may not slip up due to volcanic ash accumulated on the rails, etc. In the case of the rail tread cleaning device 1, the rail tread cleaning device 1 connected to the front of the track bicycle 2 removes volcanic ash and the like accumulated on the tread of the rail R, and then the track bicycle 2 travels. Even with R, the volcanic ash accumulated on the tread of the rail R can be reliably removed without slipping.

<When changing the rotation speed of the rotating brush 11f4>
Further, in the present embodiment, the transmission shaft portion 11e2 is formed with a slide guide groove 11e21 of a predetermined length so that the second transmission gear 11e3 can slide in the longitudinal direction thereof, and the second transmission gear 11e2 is formed of a bevel gear or the like. The protrusion 11e31 protruding from the center of the gear 11e3 is fitted in the slide guide groove 11e21 and is guided and slides, so that the second transmission gear 11e3 formed of a bevel gear or the like can move in the longitudinal direction of the transmission shaft 11e2, and , And is configured to be rotatable together with the transmission shaft portion 11e2.

  The multi-stage passive gear 11f3 of the rail tread cleaning mechanism 11f is provided with a slide guide groove 11f21 of a predetermined length so that the two passive gears 11f31 and 11f32 having different numbers of teeth can slide. The projection 11f33 protruding from the center of the multi-stage passive gear 11f3 is fitted into the slide guide groove 11f21 and is guided and slides, so that the passive gears 11f31 and 11f32 move in the longitudinal direction of the rotary shaft portion 11f2 and are transmitted. It is possible to change the rotation speed of the rotary brush 11f4 by engaging the first-stage passive gear 11f31 with the second transmission gear 11e3, which is a bevel gear of the shaft portion 11e2, or by engaging the second-stage passive gear 11f32. It is configured.

  Therefore, in the present embodiment, when changing the number of rotations of the rotating brush 11f4, the second transmission gear 11e3 formed of a bevel gear or the like in the transmission shaft portion 11e2 is slid along the slide guide groove 11e21, and the rail tread surface. The multi-stage passive gear 11f3 of the cleaning mechanism portion 11f is also slid along the slide guide groove 11f21 to change the respective passive gears 11f31 and 11f32 of the multi-stage passive gear 11f3 meshed with the second transmission gear 11e3 such as a bevel gear. By doing so, the rotation speed of the rotating brush 11f4 can be changed.

  Thereby, according to the rail tread cleaning device 1 of the first embodiment, the rotation speed of the rotating brush 11f4 can be easily changed depending on the amount of ash such as volcanic ash accumulated on the head surface of the rail R. The volcanic ash accumulated on the head surface of the rail R can be reliably removed efficiently.

<When the rail tread cleaning device 1 is separated from the track bicycle 2>
Further, in the rail tread cleaning device 1 of the first embodiment, the rail tread cleaning carriage 11 is detachably connected to the track bicycle 2 via the connecting rod 12 as described above, and the connecting rod 12 is as shown in FIG. As shown in FIG. 10 and the like, a connecting portion 12b provided on one end side (right side in the figure) of the connecting rod body 12a is detachably connected to the connecting portion 21 of the track bicycle 2 by means of an insertion / removal pin 12c. By pulling out the insertion / removal pin 12c as shown, the connecting portion 12b of the connecting rod 12 and the angle member 12f can be separated from the connecting portion 21 of the track bicycle 2, and the rail tread cleaning device 1 can be separated from the track bicycle 2.

  Here, in the present embodiment, as shown in FIG. 1 to FIG. 5 and the like, the center of gravity of the rail tread cleaning carriage 11 is set such that the rail tread surface is closer to the rail tread than the axis line of the axle 11 b connecting the left and right wheels 11 c of the rail tread cleaning carriage 11. Although located on the cleaning mechanism 11f side, the connecting portion 12d on the other end side (the left side in the drawing) of the connecting rod 12 is connected to the connecting portion 11a1 provided at the rear end portion of the carriage main body 11a of the rail tread cleaning carriage 11. On the other hand, below the connecting portion 12b which is connected to the connecting bolt 12e so as to be rotatable in the vertical direction and which is provided on one end side (the right side in the drawing) of the connecting rod 12, there is provided a protruding portion 12f1 for braking which protrudes downward. The angle member 12f which it has is provided.

  Therefore, when the rail tread cleaning carriage 11 is separated from the track bicycle 2, or before the rail tread cleaning carriage 11 is connected to the track bicycle 2, as shown in FIG. 12, the angle member 12f side of the connecting rod 12 descends. Then, the protrusion 12f1 for braking of the angle member 12f comes into contact with ballast stones, sleepers, etc. on the road surface between the left and right rails R to prevent the rail tread cleaning carriage 11 from running away.

  When the center of gravity of the rail tread cleaning carriage 11 is on the right side in FIG. 1 of the rail tread cleaning carriage 11 in FIG. 1, that is, on the connecting rod 12 side with respect to the axis line of the axle 11b connecting the left and right wheels 11c of the rail tread cleaning carriage 11. When the rail tread cleaning carriage 11 is separated from the track bicycle 2 or the rail tread cleaning carriage 11 is connected to the track bicycle 2, the rail tread cleaning carriage 11 also leans to the right side in FIG. 12 and brakes the angle member 12f. The projecting portion 12f1 contacts ballast stones, sleepers, etc. on the road surface between the left and right rails R to prevent the rail tread cleaning carriage 11 from running away.

<When the rail tread cleaning device 1 of this embodiment moves backward>

  When the track bicycle 2 moves backward while the rail tread cleaning carriage 11 is connected to the front side of the track bicycle 2 via the connecting rod 12, that is, when the track bicycle 2 moves backward, or when the track tread cleaning truck 1 is connected to the track tread cleaning vehicle 1 via the connecting rod 12. When the track bicycle 2 is connected to the rear side of the bicycle 2 and travels forward, the rail tread cleaning carriage 11 moves backward.

  Then, the rotating brush 11f4 of the rail tread cleaning carriage 11 rotates in a direction opposite to the direction in which the rail tread cleaning carriage 11 moves forward, and the left and right rotating brushes 11f4 rotate respectively and accumulate on the rail R. Falling ash such as volcanic ash is swept out inside the diagonally rearward direction with respect to the traveling direction of the bogie body 11a, that is, between the left and right rails R.

  However, the rail tread cleaning device 1 is forwarded once while being connected to the front side of the track bicycle 2, and the left and right rotating brushes 11f4 sweep out the fallen ash such as volcanic ash accumulated on the rail R to the outside of the left and right rails R. In this case, since it is considered that almost no ash fall, such as volcanic ash, remains on the rail R, it is considered that there is no problem even if the ash fall such as volcanic ash accumulated on the rail R is swept between the left and right rails R. .

  As described above, according to the rail tread cleaning device 1 of the present embodiment, one end side is removably connected to the connecting portion of the track bicycle 2, and the connecting rod 12 is connected to the other end side of the connecting rod 12. , A rail tread cleaning carriage 11 for removing ash such as volcanic ash accumulated on the rail R while being pushed by the track bicycle 2 while traveling on the rail R, and the rail tread cleaning carriage 11 is provided on both left and right sides. A truck body 11a provided with wheels 11c and 11c that rotate on the rail R, a drive gear 11d provided on the rotation shaft 11b of the wheels 11c and 11c of the truck body 11a, and the truck body 11a travels on the rail R. Then, the rotation transmission mechanism 11e that transmits the rotation of the drive gear 11d when the wheels 11c, 11c rotate, and the rotation shaft 11f2 are rotatably supported by the carriage main body 11a. The multi-stage passive gear 11f3, which is rotated by the rotation of the drive gear 11d transmitted by the rotation transmission mechanism 11e, and the multi-stage passive gear 11f3, which is rotated by the rotation of the multi-stage passive gear 11f3, is accumulated on the rail R on the rotary shaft portion 11f2 of FIG. And a rail tread cleaning mechanism section 11f provided with a rotating brush 11f4 for removing ash fall such as volcanic ash.

  Therefore, according to the rail tread cleaning device 1 of the present embodiment, a drive source such as an engine and a motor for traveling, an engine for rotating a brush, and the like are not necessary, so that cost can be reduced and noise can be reduced. Can also be reduced.

  Further, the rail tread cleaning device 1 of the present embodiment is provided in front of the track bicycle 2 and is pushed by the track bicycle 2 to run on the rail R in front of the track bicycle 2 while rotating the rotating brush 11f4 to rotate the volcanic ash. Thus, the track bicycle 2 can run on the tread of the rail R from which the ash has been removed by the rail tread cleaning carriage 11.

  Therefore, according to the rail tread cleaning device 1 of the present embodiment, the track bicycle 2 can travel on the rail R while pushing the rail tread cleaning device 1 without slipping even when going uphill. The tread of the rail R can be efficiently cleaned.

  Further, in the rail tread cleaning device 1 according to the present embodiment, the rotation shaft portion 11f2 of the rail tread cleaning mechanism portion 11f is provided obliquely with respect to the traveling direction of the carriage main body 11a, and is provided on the rotation shaft portion 11f2. The rotating brush 11f4 rotates to put ash fall such as volcanic ash accumulated on the tread surface of the rail R onto both outer sides of the outer rail R diagonally rearward with respect to the traveling direction of the carriage main body 11a.

  Therefore, in the rail tread cleaning device 1 according to the present embodiment, the ash fall accumulated on the tread of the rail R is put on the outside of the rail R, not between the rails R, so that the tread of the rail R can be efficiently attached. Ash fall can be removed.

  Further, in the rail tread cleaning device 1 according to the present embodiment, the rotation transmission mechanism portion 11e meshes with the drive gear 11d and rotates and transmits in the opposite direction to the rotation direction of the wheels 11c, 11c. And a transmission shaft portion 11e2 whose first transmission gear 11e1 is fixed and which is rotatably supported by the carriage main body 11a, and which rotates in the same direction as the first transmission gear 11e1 which is fixed to the transmission shaft and which cleans the rail tread. It has a second transmission gear 11e3 and the like that meshes with the multi-stage passive gear 11f3 of the mechanism portion 11f to rotate the multi-stage passive gear 11f3, the rotating shaft portion 11f2 and the rotating brush 11f4 in the same direction as the rotation direction of the wheels 11c, 11c. Therefore, the rotating brush 11f4 is rotated in the same direction as the rotation direction of the wheels 11c, 11c, and the ash fall on the tread surface of the rail R is slanted backward and put out. It becomes possible, it is possible to remove ash on efficient rail R.

  Further, in the rail tread cleaning device 1 according to the present embodiment, as the multi-stage passive gear 11f3 of the rail tread cleaning mechanism 11f, a plurality of passive gears 11f31 and 11f32 having different numbers of teeth are provided on the rotating shaft portion 11f2. , The rotation speed of the rotating brush 11f4 can be changed by selecting one of the passive gears 11f31 and 11f32 having different numbers of teeth, so that the amount, weight, and size of ash fall, such as volcanic ash, and even cleaning targets other than volcanic ash The rotation speed of the rotating brush 11f4 can be easily adjusted to the optimum value according to dirt such as carcasses of insects and animals that have accumulated, adhered, or have been stuck on the tread of a certain rail, fallen leaves, sand, dust, dirt, pebbles, mud, and oil. It is possible to efficiently change the ash fall on the tread surface of the rail R, and to collect or adhere to the tread surface of the rail, dead carcasses of insects and animals, fallen leaves, sand, dust, dirt, small , It is possible to clean mud, dirt such as oil.

  Further, in the rail tread cleaning device 1 according to the present embodiment, the connecting rod 12 for connecting the rail tread cleaning carriage 11 and the track bicycle 2 has the connecting portion 12b at one end side (the right side in the drawing) of the track bicycle 2. While the insertion / removal pin 12c is inserted into the connecting portion 21 of the above so as to be detachably connected, the connecting portion 12d on the other end side (the left side in the figure) is located behind the truck main body 11a of the rail tread cleaning truck 11. An angle member 12f that is rotatably connected to the end portion in the vertical direction and that has a brake protrusion 12f1 that protrudes downward is provided below the connecting portion 12b.

  Therefore, when the rail tread cleaning carriage 11 is separated from or not connected to the track bicycle 2, the angle member 12f side of the connecting rod 12 descends, and the brake protrusion 12f1 causes crushed stones or sleepers between the rails R. Since the rail tread cleaning carriage 11 is braked by coming into contact with the rail tread, the rail tread cleaning carriage 11 can be reliably prevented from running away.

  Although the rail tread cleaning device 1 of the above-described embodiment has been described as removing volcanic ash accumulated on the tread of the rail, the removal of volcanic ash is merely an example of the present invention, and the rail tread cleaning device according to the present invention. In addition to volcanic ash, it is also possible to remove and clean dirt, deposits, adhesion, and dead carcasses of insects and animals, fallen leaves, sand, dust, dirt, pebbles, mud, oil, etc. Is.

  Therefore, in the rail tread cleaning device 1 of the above-described embodiment, the rotating brush 11f4 is provided as the cleaner means in the rail tread cleaning mechanism section 11f, but in the present invention, the cleaning means is not limited to the rotating brush 11f4. Instead, the rail tread cleaning mechanism section 11f should be equipped with a cleaner that is ideal for cleaning dirt and debris such as insects and animal carcasses that have accumulated, adhered to the tread of the rail, fallen leaves, sand, dust, dirt, pebbles, mud, and oil. It can be installed on the to clean the tread of the rail.

DESCRIPTION OF SYMBOLS 1 rail tread cleaning device 11 rail tread cleaning carriage 11a carriage main body 11b rotating shafts 11c, 11c wheels 11d drive gear 11e rotation transmission mechanism portion 11e1 first transmission gear 11e2 transmission shaft portion 11e21 slide guide groove 11e3 second transmission gear 11e31 protrusion portion 11f Rail tread cleaning mechanism section 11f1 Rotational bearing section 11f2 Rotational axis section 11f3 Multi-stage passive gear 11f31 First stage passive gear 11f32 Second stage passive gear 11f33 Projection section 11f4 Rotating brush (cleaner means)
12 connecting rod 12a1 protrusion for brake 2 track bicycle R rail

Claims (6)

A rail tread cleaning device for cleaning the tread of a rail,
A connecting rod whose one end side is detachably connected to a connecting portion of a track bicycle traveling on a rail by a drive source such as an engine or a motor,
A rail tread cleaning carriage that is connected to the other end of the connecting rod and that cleans the tread of the rail while being pushed or towed by the track bicycle and traveling on the rail,
The rail tread cleaning truck is
A carriage main body having a connecting portion to which the other end side of the connecting rod is connected, and wheels provided on both right and left sides that rotate on a rail,
A drive gear provided on the rotating shaft of the wheel of the carriage body;
A rotation transmission mechanism section that transmits rotation of the drive gear when the carriage body travels on a rail and the wheels rotate,
A rail tread cleaning mechanism provided with a cleaner for cleaning the tread of the rail by receiving the rotation of the drive gear transmitted by the rotation transmission mechanism;
A rail tread cleaning device having: The rail tread cleaning device according to claim 1,
One end of the connecting rod is detachably connected to the front connecting portion of the track bicycle,
The other end of the connecting rod is connected to a rear connecting portion of the carriage main body of the rail tread cleaning carriage,
The rail tread cleaning device is characterized in that the rail tread cleaning mechanism cleans a tread of a rail in front of the track bicycle. The rail tread cleaning device according to claim 1 or 2 ,
The rail tread cleaning mechanism section,
Having a rotating shaft portion rotatably supported on the trolley body,
The rotary shaft portion includes a passive gear that rotates by receiving the rotation of the drive gear transmitted by the rotation transmission mechanism portion, and the cleaner means that rotates by the rotation of the passive gear to clean the tread surface of the rail. Is provided,
The rotating shaft portion,
It is provided obliquely to the traveling direction of the trolley body,
The rail tread cleaning device characterized in that the cleaner means provided on the rotary shaft portion rotates to remove dirt accumulated on the tread surface on the rail to the outside obliquely rearward with respect to the traveling direction of the bogie body. . The rail tread cleaning device according to claim 3 ,
The rotation transmission mechanism section,
A first transmission gear that meshes with the drive gear and transmits by rotating in a direction opposite to the rotation direction of the wheel;
A transmission shaft portion having the first transmission gear fixed and rotatably supported by the trolley body;
The wheel is fixed to the transmission shaft, rotates in the same direction as the first transmission gear, and meshes with the passive gear of the rail tread cleaning mechanism section so that the passive gear, the rotary shaft section, and the cleaner means are attached to the wheel. A second transmission gear that rotates in the same direction as the rotation direction;
A rail tread cleaning device having: The rail tread cleaning device according to claim 3 or 4 ,
As the passive gear of the rail tread cleaning mechanism section,
A plurality of the passive gears having different numbers of teeth are provided on the rotary shaft portion, and the rotation speed of the cleaner means can be changed by selecting one of the plurality of the passive gears. Rail tread cleaning device characterized by. The rail tread cleaning device according to any one of claims 1 to 5,
On the track bicycle side, which is one end side of the connecting rod, a brake protrusion protruding downward is provided,
When one end side of the connecting rod, the other end side of which is connected to the rail tread cleaning carriage, is separated from the connecting portion of the track bicycle, one end side of the connecting rod descends and the braking protrusion is between the rails. A rail tread cleaning device, wherein the rail tread cleaning carriage is prevented from running away by coming into contact with a road surface.

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