JP2008240472A - Derailed wheel restoration device - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a derailed wheel restoration device which assures safety until the complete stop of a train by guiding the wheels of the train traveling in a derailed state so as to restore them to mainline rails, when the train is derailed due to earthquakes etc. <P>SOLUTION: In the derailed wheel restoration device 100, a pair of right and left inside restoration passage forming bodies 110 is adjacently arranged in the inside area of a track T where the pair of right and left mainline rails R and R is laid, and a pair of right and left outside restoration passage forming bodies 120 and 120 is adjacently arranged in both the outside areas of the track T. Thus, the derailed wheel restoration device 100 guides the wheels W of the train traveling in the derailed state so as to restore to the mainline rail R. <P>COPYRIGHT: (C)2009,JPO&INPIT

Description

  According to the present invention, a pair of left and right inner return path forming bodies are disposed close to an inner region of a track on which a pair of left and right main rails are laid, and a pair of left and right outer return path forming bodies are disposed close to both outer regions of the track. More particularly, the present invention relates to a wheel return mechanism at the time of derailment that guides and travels the wheels of a train that derails, that is, a wheel return device.

Conventionally, a slab track having a structure in which a rail is fastened to a track slab made of precast concrete arranged on a roadbed concrete via a rail fastening device is known (see, for example, Patent Document 1).
JP 2001-98503 A (second column, FIG. 1)

  However, the conventional slab track as described above does not take any measures against train derailment accidents, so when the train derails from the rail due to an earthquake etc. There was a problem that it could develop into a large-scale accident when it collided with the platform or tunnel walls.

  Therefore, the present invention solves the conventional problem, that is, the object of the present invention is to guide the wheels of the derailed train to the main rail when the train derails due to an earthquake or the like. It is intended to provide a wheel return device that ensures safety until the train is completely stopped until the train stops.

  In the first aspect of the present invention, a pair of left and right inner return path forming bodies are disposed close to an inner area of a track on which a pair of left and right main rails are laid, and a pair of left and right outer return paths are disposed on both outer areas of the track. A derailed wheel returning device that guides the train wheel that is derailed and is returned to the main rail, wherein the inner return path former is disposed on the innermost side of the track region. An inner wheel guiding wall surface that guides and moves the wheel to the top surface side of the main rail with the end surface on the flange side of the wheel in contact with the lower end edge of the inner wheel guiding wall surface. Rolling of the wheel by converging and tilting upward from the outer edge of the inner wheel traveling surface toward the top surface of the main rail head and the inner wheel traveling surface that slopes the moving surface toward the head surface of the main rail Inner transition that guides the plane to the main rail The outer return path forming body is arranged on the outermost side of the track region and guards the jumping out of the wheel of the train, and is continuous along the lower edge of the outer guard wall surface. The outer wheel running surface that is formed and climbs the flange portion of the wheel toward the top of the head of the main rail, and the outer wheel running surface converges and inclines upward from the outer edge of the outer wheel running surface toward the top of the main rail. Thus, the above-described problem is solved by the fact that the flange portion of the wheel is composed of an outer transition gentle slope that guides and transitions to the main rail.

  According to a second aspect of the present invention, in addition to the configuration of the first aspect, the inner wheel guide wall surface of the inner return path forming body disposed in the vicinity of one of the pair of left and right main rails and the other of the main rails The distance between the outer guard wall surface of the outer return path forming body disposed in the vicinity of each other is such that the flange portion side end surface of one wheel and the rolling portion side end surface of the other wheel of the pair of left and right wheels By setting it longer than the interval, the above-described problems are further solved.

  According to a third aspect of the present invention, in addition to the configuration of the first or second aspect, the height of the inner wheel traveling surface of the inner return path forming body is the same as that of the outer wheel traveling surface of the outer return path forming body. By being set lower than the height, the above-described problems are further solved.

  According to the present invention, a pair of left and right inner return path forming bodies are disposed in close proximity to an inner region of a track on which a pair of left and right main rails are laid, and a pair of left and right outer return path forming bodies are disposed in close proximity to both outer regions of the track. This is a wheel return device at the time of derailment that guides the wheels of a train that derails and returns to the main rail, and can exhibit special effects based on the following unique configuration.

  That is, according to the wheel return device of the present invention according to claim 1, the inner return path forming body is continuously formed along the inner wheel guide wall surface disposed on the innermost side of the track region and the lower edge of the inner wheel guide wall surface. The inner wheel traveling surface and the inner transition gentle slope that converges and inclines upward from the outer edge of the inner wheel traveling surface toward the vicinity of the top surface of the head of the main rail, From the outer guard wall surface arranged on the outermost side of the track region, the outer wheel running surface continuously formed along the lower edge of the outer guard wall surface, and from the outer edge of the outer wheel running surface toward the vicinity of the top surface of the head of the main rail Because it is composed of an outer transition gentle slope that converges upward, when the train wheel derails from the main rail due to an earthquake or the like, the train wheel contacts the inner wheel guide wall and the main rail Towards the top of the head Since the flanges of the pair of left and right wheels climb up the inner wheel traveling surface and the outer wheel traveling surface toward the top of the head of the main rail in the state of being transferred, the derailed train wheels are reliably returned to the main rail. It is possible to ensure safety until the train stops completely.

  In particular, the inner return path forming body has an inner transition gentle slope that converges and inclines upward from the outer edge of the inner wheel traveling surface toward the top of the main rail head, and the outer return path forming body is the outer wheel. A pair of left and right wheels climbing the inner wheel traveling surface and the outer wheel traveling surface is provided by providing an outer transition gentle slope that converges and inclines upward from the outer edge of the traveling surface toward the top of the head of the main rail. Because it is guided by the inner transition gentle slope and the outer transition gentle slope, respectively, it moves to the top of the head of the main rail, so that the derailed wheels can be smoothly returned to the main rail without excessively degrading the train balance. .

  And, when the outer return path forming body is provided with the outer guard wall surface arranged on the outermost side of the track region, even when the inner wheel guide wall surface is damaged or bent due to a collision with the train or the like, Since the outer guard wall guards the jumping out of the wheel, it is possible to reliably avoid the departure of the train.

  According to the wheel return device of the present invention according to claim 2, in addition to the effect exhibited by the wheel return device according to claim 1, an inner return path forming body disposed in the vicinity of one of the pair of left and right main rails. The distance between the inner wheel guide wall surface of the outer rail and the outer guard wall surface of the outer return path forming body disposed in the vicinity of the other of the main rails is such that the flange portion side end surface of one of the wheels and the other wheel of the pair of left and right wheels When the pair of left and right wheels climbs the inner wheel traveling surface and the outer wheel traveling surface, respectively, the derailment meandering direction of the pair of left and right wheels is set. Since the wheel that follows the wheel travels in contact with only the inner wheel guide wall surface without the wheel being positioned in contact with the outer guard wall surface, the sliding resistance of the traveling wheel is greatly reduced and stable travel is achieved. In addition, even if the inner wheel guide wall surface is deformed or damaged due to excessive sliding resistance during traveling, it travels in contact with the outer guard wall surface, so that the derailed wheel can be reliably returned to the main rail. .

  According to the wheel return device of the present invention according to claim 3, in addition to the effect of the wheel return device according to claim 1 or 2, the height of the inner wheel running surface of the inner return path forming body is returned to the outer side. By setting it lower than the height of the outer wheel running surface of the road formation body, the difference between the diameter of the wheel flange and the diameter of the rolling surface of the wheel is adjusted, and the wheel located in the direction of derailment meandering is adjusted. The flange portion of the wheel positioned in the direction of derailment meandering of the pair of left and right wheels without the flange being caught on the side surface of the main rail and the rolling surface of the wheel following the wheel are the tops of the pair of left and right main rails. Since each shifts to the surface, the derailed wheel can be smoothly returned to the main rail.

  According to the present invention, a pair of left and right inner return path forming bodies are disposed close to an inner region of a track on which a pair of left and right main rails are laid, and a pair of left and right outer return path forming bodies are disposed close to both outer regions of the track. A derailed wheel returning device that guides the wheels of the derailed train to return to the main rail, wherein the inner return path forming body is disposed on the innermost side of the track region and is on the flange side of the wheel An inner wheel guide wall surface that guides and transfers the wheel to the top side of the head of the main rail with the end face in contact with the lower end edge of the inner wheel guide wall surface. The inner wheel traveling surface to be sloped toward the top surface of the head of the vehicle and the outer edge of the inner wheel traveling surface to converge toward the vicinity of the top surface of the head of the main rail, and the rolling surface of the wheel Consists of an inner transition gentle slope that leads to In addition, the outer return path forming body is arranged on the outermost side of the track region and is continuously formed along the lower edge of the outer guard wall surface and the outer guard wall surface that guards the jumping out of the train wheel. The outer wheel running surface that slopes the flange portion of the main rail toward the head top surface of the main rail, and the wheel flange that converges and inclines upward from the outer edge of the outer wheel running surface toward the head top surface of the main rail. When the train derails due to an earthquake, etc., the wheel of the derailed train is guided to return to the main rail and the train is completely Any specific embodiment may be used as long as the safety until stopping is ensured.

  For example, the specific type of rail support in the present invention may be a slab board, PC sleeper (concrete sleeper), wood sleeper, or the like.

  Moreover, about the specific aspect of the rail fastening apparatus in this invention, it may be what kind of form.

  In addition, as for the wheel form of the train applied to the present invention, a rolling surface that rolls along the main rail and a flange portion that is integrally formed from the rolling surface toward the inside of the train and regulates meandering. Any wheel form may be used as long as it is provided. For example, any wheel form having a rolling surface that slightly decreases in diameter toward the outside of the wheel may be used.

Moreover, about the specific aspect of the wheel return apparatus in this invention, one wheel return apparatus is installed in one slab board, and the wheel of the train which derailed may be returned to a main rail, and several One wheel return device may be installed across the slab board to return the derailed train wheel to the main rail.
And about the specific arrangement | positioning of the wheel return apparatus in this invention, what is necessary is just to arrange | position suitably according to the environment of a track | orbit, ie, installation places, such as a station and a tunnel.

In the present invention, the relative height relationship between the inner wheel running surface of the inner return path forming body and the outer wheel running surface of the outer return path forming body is set to be the same height, The height of the wheel running surface may be any one that is set higher than the height of the outer wheel running surface, but in particular, the height of the inner wheel running surface is set lower than the height of the outer wheel running surface. In such a case, when the pair of left and right wheels move to the top surface of the heads of the pair of left and right main rails, they derail and meander

It can be avoided that the flange portion of the wheel located in the direction to be caught on the side surface of the main rail.

Hereinafter, a wheel return device 100 according to an embodiment of the present invention will be described with reference to the drawings.
Here, FIG. 1 is an overall schematic view of a track incorporating a wheel return device according to an embodiment of the present invention, and FIG. 2 is a perspective view showing a part of the track incorporating a wheel return device, 3 is a top view showing a part of the track incorporating the wheel return device, FIG. 4 is a cross-sectional view showing a part of the track incorporating the wheel return device, and FIG. It is explanatory drawing which shows the process which resets to.
5A is an explanatory diagram of the state of the wheel return device and train at the position AA in FIG. 3, and FIG. 5B is the state of the wheel return device and train at the position BB in FIG. It is explanatory drawing, (C) is a wheel return apparatus of the CC line position in FIG. 3, and the state explanatory drawing of a train.

First, as shown in FIGS. 1 to 4, the wheel return device 100 according to the present embodiment has a pair of left and right inner return path forming bodies 110 in an inner region of a track W in which a pair of left and right main rails R and R are laid. , 110 are arranged close to each other, and a pair of left and right outer return path forming bodies 120, 120 are arranged close to both outer regions of the track W to guide the wheels Tw of the derailed train to return to the main rail R. It is installed in front of the platform P of the station.
In addition, the symbol D shown in FIG. It is a traveling device at the time of derailment which runs wheel Tw of the train which carries out derailment.
1 to 4 is a slab board as a rail support body, and reference C shown in FIGS. 1 to 4 is a rail fastening device that fastens the main rail R to the slab board B.
1 to 4 is a return path support provided to support the inner return path forming body 110 and the outer return path forming body 120, and the reference numerals shown in FIGS. Sc is a fastening means for fastening the return path support S to the slab board B.

  As shown in FIGS. 1 to 4, the inner return path forming body 110 is disposed on the innermost side of the track region, and the wheel Tw is placed on the head of the main rail R with the flange-side end face Wfs of the wheel Tw in contact. The inner wheel guide wall surface 111 that is guided and transferred to the top surface Rt side, and the rolling surface Wr of the wheel Tw that is continuously formed along the lower end edge of the inner wheel guide wall surface 111 to the head top surface Rt of the main rail R An inner wheel traveling surface 112 that is sloped up toward the head, and an outer edge of the inner wheel traveling surface 112 toward the head top surface Rt of the main rail R to converge and incline upward, and the rolling surface Wr of the wheel Tw is set to the main rail. It is composed of an inner transition gentle slope 113 that is guided to R.

  As shown in FIG. 1 to FIG. 4, the outer return wall forming body 120 is arranged on the outermost side of the track region and guards the jumping out of the train wheel Tw, and the lower edge of the outer guard wall surface 121. And the outer wheel traveling surface 122 that slopes the flange portion Wf of the wheel Tw toward the head top surface Rt of the main rail R and the head of the main rail R from the outer edge of the outer wheel traveling surface 122. The outer transition gentle slope 123 that converges and tilts upward toward the vicinity of the top surface Rt and guides and transfers the flange portion Wf of the wheel Tw to the main rail R is formed.

  As shown in FIG. 4, the wheel return device 100 includes an inner wheel guide wall surface 111 of the inner return path forming body 110 disposed in the vicinity of one of the left and right main rails R and R, and the other of the main rail R. The mutual distance Ds between the outer return path forming body 120 arranged in the vicinity and the outer guard wall surface 121 is such that the flange side end surface Wfs of one of the wheels Tw and the other wheel Tw of the pair of left and right wheels Tw, Tw. It is set longer than the mutual distance Dw with the moving part side end face Wrs.

  Also, as shown in FIG. 4, the height Hi of the inner wheel travel surface 112 of the inner return path formation body 110 is set to be lower than the height Ho of the outer wheel travel surface 122 of the outer return path formation body 120.

In the wheel return device 100 of the present embodiment obtained in this way, the inner return path forming body 110 is along the lower edge of the inner wheel guide wall surface 111 and the inner wheel guide wall surface 111 disposed on the innermost side of the track region. The inner wheel traveling surface 112 continuously formed and the inner transition gentle slope 113 inclined upward from the outer edge of the inner wheel traveling surface 112 toward the vicinity of the top surface Rt of the main rail R, The outer return path forming body 120 is continuously formed along the lower end edge of the outer guard wall surface 121 and the outer guard wall surface 121 disposed on the outermost side of the track region, and the outer edge of the outer wheel traveling surface 122. To an outer transition gentle slope 123 inclined upward toward the vicinity of the top top surface Rt of the main rail R.
Therefore, when the train wheel Tw derails from the main rail R due to an earthquake or the like, the train wheel Tw abuts on the inner wheel guide wall 111 and moves toward the head top surface Rt side of the main rail R. Since the flange portions Wf, Wf of the pair of left and right wheels Tw, Tw climb the inner wheel traveling surface 112 and the outer wheel traveling surface 122 toward the head top surface Rt of the main rail R in the state where the train is derailed, The wheels Tw can be reliably returned to the main rail R, and the train stops completely without the train body Tb colliding with the platform P or the like of the station installed on both sides of the track W as shown in FIG. Can be secured.

Further, the inner return path forming body 110 includes an inner transition gentle slope 113 that converges and inclines upward from the outer edge of the inner wheel running surface 112 toward the vicinity of the head top surface Rt of the main rail R, and the outer return path. The formed body 120 includes an outer transition gentle slope 123 that converges and inclines upward from the outer edge of the outer wheel running surface 122 toward the head top surface Rt of the main rail R.
Therefore, a pair of left and right wheels Tw and Tw climbing the inner wheel traveling surface 112 and the outer wheel traveling surface 122 are guided by the inner transition gentle slope 113 and the outer transition gentle slope 123 to the head top surface Rt of the main rail R, respectively. Therefore, the derailed wheel Tw can be smoothly returned to the main rail R without excessively degrading the train balance of the train.

Further, the outer return path forming body 120 includes an outer guard wall surface 121 disposed on the outermost side of the track region.
Therefore, even when the inner wheel guide wall surface 111 is damaged or bent due to a collision with a train or the like, the outer guard wall surface 121 guards the jumping out of the wheel Tw, so that it is possible to reliably avoid the departure of the train.

Further, the inner wheel guide wall surface 111 of the inner return path forming body 110 disposed in the vicinity of one of the pair of left and right main rails R, R and the outer return path forming body 120 disposed in the vicinity of the other of the main rail R. Of the pair of left and right wheels Tw and Tw is set longer than the mutual distance between the flange portion side end surface Wfs of one of the wheels Tw and the rolling portion side end surface Wrs of the other wheel. ing.
Therefore, when the pair of left and right wheels Tw and Tw ascend the inner wheel traveling surface 112 and the outer wheel traveling surface 122, respectively, the wheel Tw positioned in the direction of derailment meandering of the pair of left and right wheels Tw and Tw is the outer guard wall surface 121. Since the wheel Tw that follows the wheel Tw travels in contact with only the inner wheel guide wall surface 111 without contacting with the wheel Tw, the sliding resistance of the traveling wheel Tw can be greatly reduced to achieve stable traveling. In addition, even if the inner wheel guide wall surface 111 is deformed or damaged due to excessive sliding resistance during traveling, the outer wheel surface 121 is in contact with the outer guard wall surface 121, so that the derailed wheel Tw is reliably returned to the main rail R. Can do.

The height of the inner wheel travel surface 112 of the inner return path formation body 110 is set to be lower than the height of the outer wheel travel surface 122 of the outer return path formation body 120.
Therefore, the difference between the diameter of the flange portion Wf of the wheel Tw and the diameter of the rolling surface Wr of the wheel Tw is adjusted, and the flange portion Wf of the wheel Tw located in the direction of derailment meander is caught on the side surface of the main rail R. The pair of left and right wheels Tw, Tw, the flange portion Wf of the wheel Tw positioned in the direction of derailment meander and the rolling surface Wr of the wheel following the wheel Tw are the tops of the pair of left and right main rails R, R. Since the transition is made to the surfaces Rt and Rt, the derailed wheel Tw can be smoothly returned to the main rail R, and the effect is enormous.

1 is an overall schematic diagram of a track incorporating a wheel return device according to an embodiment of the present invention. The perspective view which shows a part of track | orbit incorporating a wheel return apparatus. The top view which shows a part of track | orbit incorporating a wheel return apparatus. Sectional drawing which shows a part of track | orbit incorporating a wheel return apparatus. Explanatory drawing which shows the process in which a train returns to a main line rail.

Explanation of symbols

DESCRIPTION OF SYMBOLS 100 ... Wheel reset device 110 ... Inner return path formation body 111 ... Inner wheel guide wall surface 112 ... Inner wheel running surface 113 ... Inner transition gentle slope 120 ... Outer return path formation body 121・ ・ ・ Outer guard wall surface 122 ・ ・ ・ Outer wheel running surface 123 ・ ・ ・ Outer transition gentle slope W ・ ・ ・ Track R ・ ・ ・ Main rail Rt ・ ・ ・ Head top surface of main rail C ・ ・ ・ Rail fastening Apparatus B ... Slab board S ... Return path support Sc ... Fastening means Tw ... Train wheel Wf ... Flange part Wfs ... Flange part side end face Wr ... Rolling surface Wrs・ ・ ・ Rolling part side end face Tb ・ ・ ・ Train body D ・ ・ ・ Derailment traveling device P ・ ・ ・ Station platform

Claims (3)

A pair of left and right inner return path forming bodies are disposed in close proximity to the inner area of the track on which a pair of left and right main rails are laid, and a pair of left and right outer return path forming bodies are disposed in close proximity to both outer areas of the track. A wheel return device at the time of derailment that guides the train wheel to return to the main rail,
An inner wheel guide wall surface that is arranged on the innermost side of the track region and in which the end face on the flange side of the wheel is in contact with the inner wheel guide wall surface that guides and moves the wheel to the head top surface side of the main rail. An inner wheel traveling surface which is continuously formed along the lower edge of the inner wheel guiding wall surface and causes the rolling surface of the wheel to climb toward the top surface of the head of the main rail, and the outer rail of the main rail from the outer edge of the inner wheel traveling surface. It is composed of an inner transition gentle slope that converges and tilts upward toward the top surface of the head and guides and transitions the rolling surface of the wheel to the main rail,
The outer return path forming body is arranged on the outermost side of the track area and continuously formed along an outer guard wall surface that guards the jumping out of a train wheel and a lower end edge of the outer guard wall surface, and the wheel flange portion is a main line. The outer wheel traveling surface to be climbed toward the top surface of the rail head and the outer edge of the outer wheel traveling surface converge upward and tilt toward the vicinity of the top surface of the main rail, and the flange portion of the wheel becomes the main rail. A wheel return device comprising an outer transition gentle slope that undergoes guidance transition.   The distance between the inner wheel guide wall surface of the inner return path forming body disposed in the vicinity of one of the pair of left and right main rails and the outer guard wall surface of the outer return path forming body disposed in the vicinity of the other of the main rails. 2. The wheel return according to claim 1, wherein the pair of left and right wheels is set to be longer than a mutual interval between a flange portion side end surface of one of the wheels and a rolling portion side end surface of the other wheel. apparatus.   The wheel according to claim 1 or 2, wherein a height of an inner wheel traveling surface of the inner return path forming body is set to be lower than a height of an outer wheel traveling surface of the outer return path forming body. Return device.

Images