JP2000108901A - Variable track gage device for railway rolling stock - Google Patents

Abstract

PROBLEM TO BE SOLVED: To introduce an axle box in a device for changing a wheel interval during unlocking surely, open and close a lock and change a track gage surely and provide at a low cost. SOLUTION: A track gage changing means 10 formed by a long material alienates narrow/wide running rails 11, 12. Side guides 15 are projected along support stands 9, 9. Right and left guide areas (a), vertical guide areas (b), first balance guide areas (c), operation areas (d) and second balance guide areas (e) are formed in order towards the track gage changing area (f) from both ends of a track side device 13. Both ends of the side guide 15 are expanded in the area (a). The height of the running rail is made constant and the support stand 9 is descended as heading for the outside in the area (b). In the areas (c), (e), the side guides 15, 15 are parallel with a track center (o) and in the area (c), respective support stands 9 are vertically parallel with the running rails 11, 12 and in the area (e), the height of the support stand 9 is made constant and the rail alienate part is provided. In the area (d), the height difference between respective support stands 9 and running rails 11, 12 is enlarged as approaching to the area (f).

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a rail gauge variable device for a railroad vehicle capable of automatically adjusting a wheel interval to directly drive between rails having different rails.

[0002]

2. Description of the Related Art Conventionally, the distance between a gauge (standard gauge) used for a Shinkansen or the like and a gauge (narrow gauge) used for a conventional line or the like is different so that the former is 1435 mm and the latter is 1067 mm. Running rails are used. A truck-side device and a track-side device capable of running a common vehicle on the rails between the different gauges are disclosed in Japanese Patent Application Laid-Open No. H8-3329.
No. 50 and JP-A-8-332951.

The bogie-side device disclosed in the above publication is basically the same as the bogie-side device shown in FIGS. 5 to 11 of the present application, and an axle box for accommodating both ends of the axle is connected to a bogie frame via an elastic body. Suspended, an axle outer cylinder is slidably inserted in the axle in the axial direction, and left and right wheels movable in the axial direction together with the axle outer cylinder are rotatably provided on the axle outer cylinder. A lock means movable in the axial direction together with the cylinder is provided on the axle box so as to be vertically removably fitted and unlocked, and the lock is opened and unlocked. A pair of bearings, a pair of gauge changing means installed between the pair of bearings, and for moving the left and right wheels in the axial direction; and a pair of gauges closer to the gauge changing means. The height difference of the opening / closing lock is increased to form the operation area of the lock. Those placed symmetrically with respect to each raceway center and traveling rail for track gauge and for wide gauge is disclosed. It should be noted that the expressions of the devices, members, and the like in the above disclosed examples are consistent with the expressions of the present invention.

The means for changing the gauge according to the disclosed example includes a running rail for changing the running distance for connecting a running rail for a wide running distance and a running rail for a narrow running distance, and a guide rail laid over the entire length of the running rail for changing the running distance. Further, the support base according to the disclosed example extends substantially horizontally at a predetermined height. Moreover, in the disclosed example, the axle box comes into contact with the support base after the bogie enters the operation area of the locking / unlocking lock, that is, below the apex of the inclined area of the traveling rail that is inclined with respect to the support base having a constant height. It has become.

[0005] As described above, in the disclosed example, since both the running rail and the guide rail are used as the means for changing the gauge, the cost is high.

[0008] As shown in FIG. 8, originally, the rail and the wheel flange have a movable margin L, and the vehicle travels (snakes) while shifting in the left-right direction, and the center of the bogie coincides with the track center o. It cannot be said that the wheels are approaching the track-side device side by side, either left or right. Further, since the locked axle box is integrated with the wheel via the locking means and the wheel outer cylinder, the axle box approaches one of the left and right sides like the wheel. For this reason, the side guide is formed along the bearing base and close to the outer surface of the axle box to prevent lateral movement of the axle box, and thus the lateral movement of the wheels. There is a risk that the contact will not be able to be introduced into the bearing table due to collision with the bearing, and even if the deviation is small, a large contact friction is generated in the side guide, and the contact portion is likely to be worn.

Further, the wheels are worn due to aging, and the diameter of the wheels is reduced, so that the position of the axle is lowered, and accordingly, the position of the axle box is also lowered, and the distance between the lower surface of the axle box and the wheel tread surface is not constant. Some differences also occur depending on the vehicle, for example, due to the difference between new and old wheels. If the support base is extended from the ground at a certain height, that is, horizontally, as in the disclosed example, the lower part of the axle box may collide with the support base at the start of the vehicle's approach to the track-side device and may not be introduced. Alternatively, large contact friction may occur on the lower surface of the axle box. In the above disclosed example, a number of liners for adjusting the height are laminated on the lower surface of the axle box, and it is shown that a part of the liner can be removed according to a decrease in the wheel diameter. Although it is possible to avoid collision and large contact friction, the liner must be attached to every axle box of the vehicle passing through the variable gauge device, and the liner must be removed for each axle box of each reduced wheel. It takes.

Further, each member of the bogie-side device has an allowable gap between the members for performing a dynamic change such as a rotational movement, a sliding movement, or a vertical movement. This causes slippage and hinders reliable opening and closing of the lock.

Further, in the above disclosed example, since the bottom surface of the axle box and the support stand come into contact with each other by surface contact, sliding friction is large,
The abutting member is easily worn. Conventionally, a roller is mounted on the bottom surface of an axle box. However, in this case, the roller must be mounted on all axle boxes of all vehicles running on the variable gauge device, which is extremely expensive.

[0010]

The first object of the present invention is as follows.
The invention of the present invention does not use a running rail for changing the gauge as a gauge changing means, provides it at a low cost, and does not cause the axle box to collide with the track-side device or generate large contact friction, so that the vehicle can be securely connected to the track-side device. In addition, it is not necessary to install a liner for each axle box, and due to the allowable gap between each member of the bogie side device, a slight displacement of the wheels, axle, axle box etc. occurs while the vehicle is traveling It is another object of the present invention to correct this so that the lock can be reliably opened and closed.

According to the second and third aspects of the present invention, in addition to the objects of the first aspect of the present invention, the locking and unlocking of the vehicle can be performed more reliably, and the wheels of the vehicle that has passed through the gauge change means can be reliably mounted on the traveling rail. The task is to do so.

According to a fourth aspect of the present invention, in addition to the objects of the first, second or third aspect of the present invention, the locking and opening operation of the lock can be more reliably performed by preventing the locking and unlocking of the lock due to the inclined wheels. The task is to

According to a fifth aspect of the present invention, in addition to the objects of the first or fourth aspect of the present invention, even if the long material is worn by aging, the entire long material is not replaced in the gauge change area or the operation area. The challenge is to make a partial exchange possible.

According to a sixth aspect of the present invention, in addition to the objects of the first, second, or third aspect, when the axle box slides on the support table, the frictional resistance is reduced so that the abutting portion is hardly worn. Further, it is an object of the present invention to provide such a device at low cost.

According to a seventh aspect of the present invention, in addition to the object of the first aspect, when the outer surface of the axle box slides along the side guide, the frictional resistance is reduced so that the outer surface of the axle box is less likely to be worn, and is inexpensive. The task is to provide.

An eighth aspect of the present invention has the object of providing an axle box which is fed only in the advancing direction to prevent blur in the other direction, in addition to the objects of the sixth or seventh aspect.

A ninth aspect of the present invention, in addition to the object of the first aspect, is to prevent the axle box from being worn by the inclined portion of the support table and to protect the axle box.

[0018]

According to a first aspect of the present invention, a left and right axle box accommodating both ends of an axle is suspended from a bogie frame via an elastic body. A pair of left and right axle cylinders are slidably inserted in the axle in the axial direction,
Left and right wheels movable in the axial direction together with the left and right axle outer cylinders are rotatably provided on the axle outer cylinder, and a lock means movable in the axial direction together with the respective axle outer cylinders is provided on each of the axle boxes. A bogie-side device which is provided so as to be vertically removably fitted and unlocked and unlocked, a pair of pedestals for supporting the respective axle boxes, and a pair of pedestals mounted between the pair of pedestals, and the left and right wheels A pair of gauge change means for moving in the axial direction,
By increasing the height difference from the bearing base as approaching the gauge changing means, the running rails for the narrow gauge and the wide gauge that form the open and closed operation areas are respectively symmetrical with respect to the center of the track. In the rail track variable device comprising the installed track-side device, in the railcar variable device, the gauge change means is formed in parallel with the inner and outer long members for wheel guidance, and between the inner and outer long members, the narrow gauge and Separate the running rails for wide gauges, project side guides to guide the axle box along the longitudinal direction of each bearing base, and measure the gauges formed by the gauge changing means from both ends of the track side device. The left and right guide area of the axle box, the up and down guide area of the axle box, the first equilibrium guide area for aligning the positions of the axle and the axle box, the operating area of the lock and the axle A second equilibrium guide area for aligning the position of the axle box is formed, and in the left and right guide areas, both ends of each of the side guides are slopingly expanded as viewed from a plane. The height of the rail is kept constant, and each of the support bases is inclined downward as it goes outward. In the first equilibrium guide area, the left and right lateral guides are parallel to the center of the track. And the respective traveling rails are parallel in the vertical direction, and in the second equilibrium guide area, the left and right side guides from the unlock setting position in the operation area to the gauge change area are parallel to the track center. In addition, the height of the support table is made constant, and the running rail has a separated portion.

With the above construction, when the vehicle enters the left and right guide area, the left and right axle boxes are guided by the inclined portions of the side guides, respectively, and are aligned at predetermined positions, so that the center of the bogie coincides with the track center. Subsequently, when the vehicle enters the vertical guidance area,
The wheel diameter is reduced due to wear or the like, and even if the axle box is lower than the predetermined height position of the support base, the axle box is brought into contact with the inclined portion of the support base and guided to the predetermined height position.

The wheel, axle shell, axle, locking means,
Although there is a permissible gap between each member such as an axle box, and in the above-mentioned left and right guide area and up and down guide area, dynamic changes continuously occur in each member, so even though the guide is performed as described above, There is a slight difference in the relative position between the axle and the left and right axle boxes, that is, up, down, left, and right. Here, when the vehicle enters the first equilibrium guide, the left and right axle boxes are guided by the left and right parallel side guides, and each axle box and each wheel are respectively fixed by the support base and the traveling rail parallel in the vertical direction. The state where the relative position change does not occur in each member continues, the left and right axle boxes are at right angles to the axle, and the axle box and the locking / unlocking portion of the locking means are separated. The upper, lower, left, and right positions are set without any displacement.

Next, when the vehicle advances in the operation area, the height difference between the traveling rail and the support base becomes large, so that the locking means and the axle box are relatively separated in the vertical direction, and the two are fitted. The lock is released and unlocked. At this time, the upper and lower left and right sides of the left and right axle boxes and the locking means are aligned in the above-mentioned first equilibrium guide area, so that the unlocking is smoothly performed. Subsequently, when the vehicle enters the second equilibrium guide area and the gauge change area, the running rails disappear and the axle box is supported by the bearing base, so that the wheels are suspended in the air. Is guided by the long material and moves in the axial direction, and the distance between the two wheels changes.

As described above, there is an allowable clearance between the wheel and the axle via the outer cylinder of the axle, and the wheel moves in the axial direction while abutting on the means for changing the gauge and moves forward, so that it passes through the means for changing the gauge. May not always be at right angles to the axle, but when the vehicle enters the second equilibrium guide area on the other rail side, the axle box is adjusted to the left and right positions by side guides parallel to each other. As the wheels move forward at a certain height by the bearing table, and the wheels are suspended in the rail separated part, the wheels are at right angles at the predetermined left and right positions of the axle, and the unlocked axle box and the locking means The fitting parts are exactly opposite.

Thereafter, when the wheel rides on the traveling rail between the other gauges and travels in the operation area, the height difference between the traveling rail and the bearing stand becomes smaller, so that the locking means and the axle box are fitted together. At this time, since the right and left axle boxes and the fitting portions of the lock means exactly face each other in the above-described second equilibrium guide area, the lock is smoothly closed, and then the other first equilibrium guide area, vertical guide area, The vehicle exits the track side device via the left and right guide area.

According to the first aspect of the present invention, the operating area of the opening / closing lock may be such that the height difference between the bearing base and the traveling rail becomes larger as the distance to the gauge change means approaches, and the end of the traveling rail is opened. Although the lock setting position may be set, the height of the pedestal in the operation area is constant while the travel rail in the operation area descends inward while the height of the support base in the operation area is constant. In addition, the end of the running rail is inclined downward and further extended from the unlocked position to be introduced halfway into the second equilibrium guide area, or the height of the running rail in the operation area is constant. On the other hand, the support base in the operation area is inclined so as to rise inward, and the end of the traveling rail is inclined downward from the unlocked position to extend halfway through the second equilibrium guide area. It is preferred to introduce.

In this way, even when the wheel of the vehicle that has passed the gauge change means is located below the unlocked position of the traveling rail, the vehicle rides on the inclined extension without colliding with the traveling rail end, The locking operation can be performed reliably.

In the first, second or third aspect of the present invention, it is not limited whether or not the wheel guides are provided along both sides of the traveling rail in the operation area. It is preferable to arrange wheel guides made of long material in parallel along both sides of each traveling rail.

In this way, the wheels are positioned at right angles to the axle by the wheel guide when the lock is opened and closed, so that the locking means does not eventually tilt, and the fitting to and removal from the axle box is smooth. The lock opening / closing operation can be performed more reliably.

In the first or fourth aspect of the present invention, the configuration of the inward surface of the long material is not specifically limited.
It is preferable that the contacting long member is detachably attached to the inward surface of the long member as in the invention of the first aspect.

In this way, even if the inward surface is worn due to aging, it is only necessary to replace the long contact material at the corresponding location.

In the first, second or third aspect of the present invention, it is sufficient that the bearing stand supports the axle box, and the axle box can slide. It is preferable to have a plurality of convex arc-shaped rotating bodies for box feeding.

By doing so, the frictional resistance when the shaft box slides is small, and it is possible to smoothly proceed while supporting the vehicle body. Of course, the bottom surface of the shaft box and the upper surface of the support base are hardly worn out. It is not necessary to mount the convex-arc-shaped rotating body on the bottom surfaces of all the axle boxes of all the vehicles passing therethrough, and it is sufficient to mount it only on the track-side device, which is economically advantageous.

In the first aspect of the present invention, it is sufficient that the inward surface of the side guide can guide the axle box. However, as in the seventh aspect of the present invention, the side guide has an inward surface and a longitudinal direction for feeding the axle box. It is preferable to have a plurality of convex arc-shaped rotating bodies.

In this way, the frictional resistance of the axle box against the side guide when sliding is small, the outer side surface of the axle box and the inward side surface of the side guide are hardly worn out, and all vehicles passing through the track-side device can be used. It is not necessary to mount a convex arc-shaped rotating body on the outer surface of all of the axle boxes, and it is sufficient to mount it only on the track side device, which is economically advantageous.

Further, in the invention according to claim 6 or 7, the convex arc-shaped rotating body is not specifically limited any more. For example, it may be a spherical body. Is preferably a roller.

In this way, the arcuate rotating body can be rotated only in the advancing direction of the axle box. Unlike a sphere which rotates in all directions, the axle box shakes in the left-right or up-down direction. There is no.

It is preferable that the axle box has a sled plate rotatably attached to the bottom of the axle box.
By doing so, the lower surface of the sled plate comes into surface contact with the inclined portion of the support base, and the axle box is not locally concentrated and worn.
Axle box can be protected.

[0037]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS A bogie-side device 8 of a railway vehicle will be described. As shown in FIGS. 5 and 8, the axle box 2 is suspended on the left and right side beams 26 of the bogie frame 3 as an elastic body 4 via a shaft spring, more specifically, a coil spring. Preferably, FIGS.
A sled plate 80 is rotatably mounted on the bottom of the axle box 2 as shown by the imaginary line 1.
1, a sled plate 80 is mounted via a rotating plate 82.

As shown in FIGS. 6 to 9, both ends of the non-rotating axle 1 are accommodated in the pair of left and right axle boxes 2, 2, and a positioning stopper 27 is fixed to the center position of the axle 1.
At both ends, plate-like stoppers 28 for positioning are
Fix with. A pair of left and right axle outer cylinders 5, 5 are slidably inserted in the axle 1 in the axial direction so as to be slidable, and wheels 6, which are movable in the axial direction together with the axle outer cylinder 5, are rotatably mounted on each axle outer cylinder 5. Attach. Specifically, each wheel 6 is attached to each axle outer cylinder 5 via a bearing 30, more specifically, a tapered roller bearing.

A lock means 7 which can be moved in the axial direction together with each axle outer cylinder 5 is provided on the axle box 2 so as to be freely detachable in the vertical direction.
Specifically, a cylindrical locking block 7 a as the locking means 7 is fixed to the axle end of each axle outer cylinder 5. More specifically, as shown in FIGS. 7 and 9, a spline 31 is engraved on the outer periphery of each axle outer cylinder 5 on the axle end side, and an engaging groove 32 is engraved on the locking block 7a. And the locking block 7a is fixed with a nut 33 to be integrated with the axle outer cylinder 5. Also, the upper surface 34 of each locking block 7a is in a horizontal plane abutting on the upper surface 35 of the axle box 2, both side surfaces 36, 36 are vertical surfaces in contact with the sliding guide surfaces 37, 37 of the axle box 2, and the lower surface 38 is an axle box. A rocking block 7a is formed in a convex arc surface which can abut on the sliding bottom surface 9 of 2 so as to be slidable and non-rotatable in the axle box 2. As shown in FIGS.
The same conical protrusions 40 and 41 are provided on the upper surface of a at a predetermined distance in the axial direction so as to protrude therefrom. Specifically, both projections 40,
The distance between the centers of 41 is set to be equal to half the difference between the wide gauge and the narrow gauge, and the wide gauge is 1435 mm for the standard gauge.
In the case of the present embodiment in which the narrow gauge is a narrow gauge of 1067 mm, the distance between the centers of the two projections 40 and 41 is 184 mm which is half of the difference 368 mm between 1435 mm and 1067 mm.
Stipulated.

On the upper surface 35 of the axle box 2, fitting holes 42, 43 which can be fitted with the projections 40, 41 are formed, respectively, and these fitting holes 42, 43 are formed with the distance between the projections 40, 41 and the distance. They are separated by the same distance in the axial direction of the axle 1. 8 and 9
When the projection 40 is fitted in the fitting hole 42 as shown by the arrow, the distance between the left and right wheels 6, 6 corresponds to the narrow gauge gauge.
2 and the projection 40 fits into the fitting hole 43.
When the wheels are fitted, the distance between the wheels 6, 6 corresponds to a wide gauge, and the fitting between the fitting holes 42 and the projections 40, 41 and the fitting between the fitting holes 43 and the projections 40 are shafts. This is achieved by the vertical movement of the box 2 and the locking block 7a. It is sufficient that the lock means 7 is provided in the shaft box 2 so as to be freely removably fitted in the vertical direction so as to be able to be locked and unlocked.
2 and 43 are projections, and projections 4 of the locking block 7a are provided.
Although the fitting holes 0 and 41 may be formed as fitting holes, the illustrated embodiment is more effective in terms of manufacturing and replacement of parts due to wear of the projections due to aging.

As shown in FIGS. 5 and 6, the plate-like stopper 28
Are extended in the direction perpendicular to the axial direction of the axle 1 to form guided parts 44, 44, and the upper part of each guided part 44 is formed in a tapered conical shape, and the side wall 45 of the axle box 2 is formed. , 45 are respectively formed with slide grooves 46, and the guided portions 44 are inserted into the slide grooves 46 so as to be able to move up and down so that the axle 1 cannot rotate and can cooperate with the axle box 2 in the axial direction.

Next, a track-side device will be described. A pair of bearings 9, 9 and a side guide 1 will be described below.
5, 15, the means for changing the gauges 10, 10 and the running rails 11, 11, 12, 12 are installed symmetrically with respect to the track center o shown in FIGS. FIG.
In FIG. 0, bolts, nuts, and the like for connecting each member of the track-side device are shown, but in FIGS. 8, 9, and 11, these are omitted. As shown in FIGS. 1, 2, and 10, a pair of bearing stands 9, 9 for supporting the axle boxes 2, 2 are arranged at a predetermined height from the ground, and are spaced apart from and parallel to the track center o. .
Specifically, the floor plate 49 is fixed on the sleeper 48 by the rail screw 47, and the support bases 9, 9 are fixed to the floor plate 49 in parallel and horizontally with an interval, and both ends of each support base 9, 9 The inclined portions 18 are formed by lowering 17, 17 toward the end. In FIG. 2, reference numeral 48a denotes a height position on the upper surface of the sleeper 48, and reference numeral 49a denotes a height position on the upper surface of the floor plate 49. As shown in FIG. 4, each support 9 lowers each end of the horizontal base 50 toward the end, and attaches the thin plate 51 to the base 50 including each end as shown in FIGS. The support beam 52 is fixed by tightening bolts and nuts via the shaft, and the roller 23a is rotated in a direction perpendicular to the longitudinal direction of the support beam 52 as a convex arc-shaped rotating body 23 that supports and sends the axle box 2 to the support beam 52. As shown in FIG. 4, the imaginary line W connecting the upper ends of the rollers 23a, 23a, 23a,... Rollers 23a, 23a, 23a,... As shown in FIG. 4, the axle box 2 abuts on the roller 23 a positioned on the horizontal line of the imaginary line W, and even if the position of the axle box 2 is lowered due to the wear of the wheels 6, the axle box 2 abuts on the roller 23 a located on the inclined portion 18. The height of the support base 9 is set so that the contact is made. The means for attaching the rollers 23a, 23a, 23a,... Will be described in more detail with reference to FIGS. 3, 4, and 10. If the supporting beam 52 is formed with a concave groove 53 extending in the longitudinal direction, an upwardly extending half-moon groove shown in FIG. Are arranged side by side at fixed intervals on the left and right walls 55, 55, and the roller shaft 23b of each roller 23a is
4 and downward meniscus grooves 57, 57, 57... In the left and right long members 56 ′, 56 ′.
4, 54... Are formed side by side at the same intervals to form support roller mounting plates 56, 56, and each roller shaft 23b is formed by each meniscus groove 57.
While loosely fitting the support roller mounting plates 56, 56 to the left and right walls 55,
55 and fixed.

As another embodiment of the bearing tables 9, 9, the rollers 23a, 23a, 23a,...
The upper surfaces of the support tables 9 may be flat, but in this case, the upper surfaces of the support tables 9 are set at the positions of the virtual lines W.
Regarding the presence or absence of the arcuate rotating body 23 including the roller 23a, the frictional resistance when the axle box slides is smaller when the arcuate rotating body 23 is provided, and it is cheaper to form the upper surface of each support 9 in a flat plane. Can be manufactured.

Side guides 15 for guiding the axle box 2 along the longitudinal direction of each bearing stand 9 are protruded, and both ends of each side guide 15 are inclined as seen from a plane as shown in FIGS. To expand. Specifically, as shown in FIGS. 3, 4, and 10, a projecting wall 58 that extends in the longitudinal direction to the outer edge of the support beam 52 is integrally provided, and laterally extends along the longitudinal direction of the projecting wall 58. Guide 1
5 is fixed by bolting, and each end of the side guide 15 is expanded in an inclined manner as shown in FIG. 3 to form a linear inclined portion 16. A large number of side rollers 24a, 24a, 24a,... Are rotatably mounted as a large number of convex arc-shaped rotating bodies 24 that rotate in contact with the outer surface 14 of the second. More specifically, as shown in FIG. 3, each end of the roller is expanded above the mounting side plate 59 so as to be horizontal when viewed from a plane and each end is inclined, and as shown in FIG. The mounting portion 60 is integrally formed, and the roller mounting portion 6 is formed.
0 to a number of rollers 24a, 24a, 24a via shaft 61.
... Are arranged side by side in the longitudinal direction, and as shown in FIG. 3, a virtual line x connecting the inward ends of the rollers 24a, 24a, 24a.
24a, 24a, 24a such that is a horizontal line x 'and an inclined straight line x "which expands from the horizontal line end to the end.
a ... are arranged side by side. Also, as shown in FIG. 1, the interval between the left and right side guides 15 is set to a distance where the outer surfaces 14 of the left and right axle boxes 2 are close to each other. It is wider than this.

As another embodiment of the side guide 15, the inner surfaces of the side guides 15, 15 may be flat without the side rollers 24a, 24a, 24a,... In this case, the inner side surface is set at the position of the horizontal line x 'and the inclined straight line x ". Regarding the presence or absence of the convex arc-shaped rotating body 24 such as the roller 24a, it is better to have the convex arc-shaped rotating body 24 The frictional resistance when the box slides is small, and the inner surface of the side guide 15 is formed in a flat shape, so that it can be manufactured at low cost.

As shown in FIG. 1, a pair of left and right support tables 9, 9 are provided.
Between the left and right wheels 6, 6 in the axial direction of the axle 1 is provided with a gauge changing means 10 in the shape of "C", and the gauge changing means 10 is used for narrow gauges in the vicinity of the narrow gauge side entrance 10 '. The traveling rail 11 is installed by guiding the traveling rail 12 for a wide gauge to the vicinity of the entrance 10 ″ on the wide gauge side.

Specifically, the means for changing the gauge between the inner and outer long members 1
0a and 10b are formed in parallel and the long material 10a,
Between 10b, the running rail 11 for a narrow gauge and the running rail 12 for a wide gauge are separated. More specifically, as shown in FIGS. 3 and 11, the contacting long members 63 are formed along the upper inner side surfaces of the long members 10a and 10b formed by the angles 62.
Are attached detachably, and the long members 10a and 10b are fixed to the floor plate 49 at intervals slightly larger than the thickness of the wheel 6, and a space between the long members 10a and 10b is defined as a rail separation portion 10c.

As shown in FIGS. 1 and 2, a traveling rail 11 for a narrow gauge installed horizontally between a pair of right and left bearing stands 9 and 9.
In addition, the traveling rails 12 for wide gauges are lowered from both ends 17 of the support bases 9 as they approach the gauge changing means 10 from inside positions. More specifically, as shown in FIG. 10, a traveling rail is integrally provided on a floor plate 49 so as to protrude from a rail mounting table 49 '.
And running rails 11 and 12 are horizontally extended from the positions of the vertices 18a of both end portions 17 of each support base 9 slightly inward as shown in FIG. The horizontal extending ends 11a, 12a are inclined downward toward the gauge changing means 10, and the ends 11b, 12b
Is set to be slightly before the entrance end of the gauge changing means 10.

In the above-described embodiment, the travel rails 11 and 12 are lowered with respect to the horizontal portion of the support table 9 to increase the height difference between the support table 9 and the travel rails 11 and 12. On the contrary, as shown in FIG. 12, the traveling rails 11 and 12 may be leveled, and the support 9 in the operation area d to be described later may be raised inward. Also in this case, the end 11 of the running rails 11 and 12
b and 12b are inclined downward inward.

As shown in FIGS. 1, 3, and 10, wheel guides 19 and 19 are erected along a rail 11 for a narrow gauge and a rail 12 for a wide gauge. Specifically, FIG.
As shown in the figure, long members 66a and 66 made of an angle 64
The long contact member 65 is removably attached along the upper inner side of b by bolting, and the long members 66a and 66b are fixed to the floor plate 49 with bolts 69 and nuts 70. In FIG. 11 described above, the means for attaching the long members 63 for contact to the long members 10a and 10b and the long members 10
Although the fixing means for a and 10b are not shown in FIG.
Similarly, bolt fastening and bolt and nut fastening are performed. In FIG. 10, reference numeral 67 denotes each long material 66.
a, 66b is a spacing material interposed between the running rail,
Bolts 68 are passed through these long members 66a, 66b, spacing members 67, 67, and running rails, and nuts 71 are tightened to be integrated.

In this embodiment, the wheel guide 19,
Numeral 19 extends from each end 10 ', 10 "of the gauge change means 10 on the narrow gauge side and the wide gauge side to a range extending halfway through the horizontal portions of the running rails 11, 12, but at least a range of an operation area d described later. It should be installed in.

Here, in the present embodiment, the left and right guide areas a of the shaft boxes 2 and 2 and the shaft box 2 are sequentially directed from both ends of the track-side device having the above-described configuration toward the gauge change area f formed by the gauge change means 10. 2, a vertical guide area b, a first equilibrium guide area c for aligning the positions of the axle 1 and the axle boxes 2 and 2, an operation area d for operating the opening and closing of each axle box 2 and each locking means 7, an axle 1 And a second equilibrium guide area e for aligning the positions of the axle boxes 2 and 2, which will be described in detail below.

Each of the left and right guide areas a is a left and right side guide 1.
5 and 15 are the range of the inclined portion 16 formed by expanding both ends in an inclined manner when viewed from a plane, and running rails 11 and 12 therebetween.
Is horizontal. Each vertical guide area b includes left and right bearing stands 9 and 9
Apex 18 from the inner end of the left and right guide area a
a, and the running rail 1 in this range
Reference numerals 1 and 12 are horizontal, and each support 9 is inclined downward toward the outside. Further, each first equilibrium guide area C extends from the apex 18a to each bearing base 9 and the traveling rails 11,12.
From the top 18a in the present embodiment, that is, from the apex 18a.
a, 12a, and the left and right side guides 15, 15 in this range are parallel to the track center o, and the horizontal bearing base 9 and the running rail 1 in this range.
1 and 12 are parallel in the vertical direction. Each operation area d is a range from the inner end of the first equilibrium guide area c to the unlocking set position J just before the ends 11b and 12b of the traveling rails 11 and 12, in this range, The height difference between the support base 9 and the traveling rails 11 and 12 increases. That is, in the present embodiment, the running rails 11 and 12 are
Is lowered inward. In this case, the unlocking set position J is such that the wheels 6, 6 are connected to the running rails 11, 1 as described later.
2, and each axle box 2 advances on the support 9, and the height difference between the axle 1 and each axle box 2 increases, and the unlocking of the axle box 2 and the lock means 7 shown in FIG. 10 is released. The position of the running rails 11 and 12 where the wheels 6 are located. Incidentally, in this embodiment, as shown in FIG. 10, when the lock is released, a margin gap K is formed between the lower end of the locking block 7a and the upper surface 2 'of the bottom of the axle box 2. The lower end of the locking block 7a is set to abut on the bottom surface 2 'when the wheels 6, 6 descend and travel on the traveling rails 11, 12 further inclined and extended than the set position J.
This is the same in the other embodiments shown in FIG.

Each second equilibrium guide area e is a range from the inner end of the operation area d, that is, from the unlocking setting position J to the end of the gauge changing means 10, and the left and right side guides 15, 15 in this range. Is parallel to the track center o, the height of each support 9 in the same range is constant, that is, horizontal, and the separated portion V of the running rails 11 and 12 is within the same range. In addition,
In this embodiment, the ends of the running rails 11 and 12 extend obliquely from the unlocking set position J and are introduced halfway into the second equilibrium guide area e, but the ends of the running rails 11 and 12 are unlocked. The entire position in the second equilibrium guide area e may be set as the set position J and may be the separated portion between the traveling rails 11 and 12, and the former is preferable as described later.

Next, the operation of the present embodiment will be described. The operation when the vehicle travels from the travel rail 11 between the narrow gauges to the travel rail 12 between the wide gauges will be described. When the vehicle travels on the travel rail 11 between the narrow gauges, each member of the bogie-side device 8 is shown in FIG. 9, the projection 40 indicated by a solid line fits into the fitting hole 42, and the plate-like stopper 2
The guided member 44 (shown in FIGS. 5 and 6) is inserted into the slide groove 46, and the upper end of the guided member 44 is
Touches the top of In addition, the vehicle runs by rotating the wheels 6 of the vehicle by a driving motor (not shown) in the frontmost, middle, and rearmost vehicles. At this time, the bogie performs a snake action due to the movable margin L shown in FIG.
Is often offset to the left or right as shown by the imaginary line in FIG. 1, and the center of the truck and the track center o are in a state of inconsistency.

Here, when the vehicle enters the left and right guide area a,
Initially, in the area a, one axle box 2 comes into contact with one inclined portion 16 and the other axle box 2 is separated from the other inclined portion 16.
Are brought into contact with and guided by the inclined portions 16, 16, and the center of the bogie coincides with the track center o. Subsequently, when the vehicle enters the vertical guide area b, the diameter of the wheel 6 becomes small due to abrasion due to aging, etc., and even if the axle box 2 is lowered from the predetermined height position via the axle 1, the respective axle box 2 abuts on the inclined portion 18 as shown in FIG. 2, rises as the vehicle advances, and is mounted on a horizontal portion of the support base 9. Note that the slope 1
The height difference between the rail 8 and the traveling rail 11 gradually increases, and the axle box 2 rises as shown by the one-dot chain line in FIG.
Starts to come off from the projection 40, and the upper end of the slide groove 46 moves away from the upper end of the guided member 44.

By the way, even if the vehicle passes through the left and right guide areas a and the up and down guide areas b and the upper and lower and right and left sides of the axle boxes 2 are adjusted to predetermined positions, the wheels 6, 6 and the axle outer cylinders 5, 5; 1, the locking blocks 7, 7 and the axle boxes 2, 2, etc., are assembled with each member having an allowable gap between the members. , The left and right and upper and lower positions of each member are slightly shifted, for example, if the axle box 2 is not completely perpendicular to the axle 1 and the unlocking operation is started, Inconveniences occur, such as the protrusion 40 being difficult to come off.

Here, in the present embodiment, in the first equilibrium guide area c, the left and right axle boxes 2, 2 are guided by side guides 15, 15 parallel to the orbit center o, and continue to advance. The axle boxes 2 and 2 and the wheels 6 and 6 are parallel in the up and down direction, and more specifically, continue to travel in a constant state by the horizontal running rail 11 and the two horizontal support bases 9 and 9. Then, the axle 1 and the axle boxes 2 and 2 are balanced, and each member is aligned at a predetermined position, and the right and left axle boxes 2 and 2 and the lock means 7 and 7 are shifted to the up, down, left and right positions when entering the operation area d. Does not occur.

Next, when the vehicle enters the operation area d and the wheels 6 start descending, the axle outer cylinder 5 and the axle 1 descend with respect to the axle box 2 which abuts against the respective support bases 9 and moves forward. As a result, the guided member 44 of the plate-like stopper 28 descends along the slide groove 46, the projection 40 shown in FIG. 10 descends from the fitting hole 42, and the wheel 1 reaches the unlocking set position J of the traveling rail 11. Then, as shown by the solid line in FIG.
2, the locking block 7 a approaches 2 ′ on the bottom surface of the axle box 2. At this point, if the locking block 7a comes into contact with the upper surface 2 'of the bottom of the axle box 2, the protrusion 40
When there is an error between the wheel 6 and the fitting hole 42, it is possible that the wheel 6 will not be able to be completely removed. In this embodiment, a margin K is formed. By the time the wheel 6 reaches the rail end 11b in the second equilibrium guide area e, the projection 40 is completely removed from the fitting hole 42, and the locking block 7a abuts on the bottom surface 2 '. The above unlocking allows the axle outer cylinder 5 to slide in the axial direction. Further, in the present embodiment, since the wheel guide 19 is provided in the operation area d, the wheel 6 is at a right angle to the axle 1, and the axle 1 is not inclined by the inclination of the wheel 6, so that it is difficult for the protrusion 40 to come off. Can be unlocked more reliably.

When the vehicle enters the second equilibrium guide area e and the gauge change means 10, the vehicle is supported on the bearing bases 9, 9 via the axle boxes 2, 2, and as shown in FIG. In a suspended state, the wheels 6 are guided by the long members 10a and 10b in the gauge change region f and gradually move in the axial direction as the vehicle advances. Due to the movement of each wheel 6 in the axial direction, the locking block 7a also moves in the same direction together with each axle outer cylinder 5, and the vehicle is moved to the end 1 of the gauge change means 10.
0 ", the end of the axle outer cylinder 5 is
Stops in contact with 8. At this time, the interval between the wheels 6, 6 is equal to the distance between the wide gauges, and the projection 40 faces the fitting hole 43 and the projection 41 faces the fitting hole 42 as shown by the imaginary line in FIG. As described above, the axle 1, the axle outer cylinder 5, and the wheels 6, 6 have respective allowable clearances, and the wheels 6 in the suspended state are long members 10a, 10b, specifically, the contacting long members 6.
The wheel 6 is not always able to maintain a right angle with respect to the axle 1 because it moves laterally in contact with the axle 3, and even if the wheel 6 is slightly tilted, as a result, the axle outer cylinder 5 and the locking block 7 a are slightly tilted. Then, thereafter, large friction is generated between the projections 40 and 41 and the fitting holes 43 and 42, and smooth locking cannot be performed.

When the vehicle exiting the end portion 10 ″ of the gauge changing means 10 enters the second equilibrium guide area e on the wide gauge side, the left and right axle boxes 2, 2 are parallel to the track center o. The axle boxes 2, 2 guided by the side guides 15, 15 and supported by a fixed height, specifically, the horizontal bearing bases 9, 9 are suspended in the rail separation portion V by moving horizontally. The wheels 6, 6 are corrected at right angles to the axle 1, and the axle boxes 2, 2 are placed at predetermined left and right positions.If the clearance K shown in FIG. Even when the end portion is set to the unlocking position J, the wheels 6 are suspended in the air and then fall down, so that the wheels 6 can be completely unlocked. The wheel 6 passing through the means 10 collides with the end of the running rail and In this embodiment, the end of the traveling rail is further inclined downward from the unlocking set position J, so that the wheel 6 can surely ride on the traveling rail. When the wheel 6 rises in the area d, the axle 1 and the axle outer cylinder 5 rise with respect to the axle box 2 which abuts horizontally on the support base 9 and moves forward. Slide groove 46
At the same time, the protrusion 40 is simultaneously inserted into the fitting hole 43,
The projection 41 fits into the fitting hole 42, and the vehicle further passes through the first equilibrium guide area c, and the axle box 2
Is lowered while contacting the inclined portion 18, the axle box 2 in the imaginary line state in FIG. 9 is lowered to the solid line position, and is completely locked with the locking block 7a at the imaginary line position. Due to this locking, the sliding of the axle outer cylinder 5 in the axial direction is stopped, and the wheels 6, 6 are fixed to a gauge with a wide interval. Next, the vehicle moves to the left and right guidance area a.
And leave the track side device. In the present embodiment, rollers 23a, 23a, 23a,.
Rollers 24a, 24a, 24a,.
As described above, the contact friction of the axle box 2 is reduced as described above, and the sled plate 80 is rotatably attached to each axle box 2, so that the lower surface of the sled plate 80 faces As a result, the axle box 2 can be protected without directly abutting and sliding partially on the inclined portion 18 without being locally concentrated and worn. FIG.
In the other embodiments shown in FIG. 1, the relative change between the axle box 2 and the axle 1 including the lock means 7 in the vertical direction in the operation areas d, d and other left and right guide areas a, a, the vertical guide area b, b, first and second equilibrium guide areas c, c, e, e,
The operation in the gauge change region f is the same as that in the embodiment.

The operation when the vehicle travels from the running rail 12 between the wide gauges to the running rail 11 between the narrow gauges is the reverse of the above-described operation, and the description thereof will be omitted.

In the track-side device according to one embodiment of the present invention, the length of the support 9 in the longitudinal direction is 22000 mm, each left and right guide area a is 2000 mm, and each vertical guide area b is 15 mm.
00 mm, each first equilibrium guide area c is 500 mm, each operation area d of the opening / closing lock is 3500 mm, each second equilibrium guide area e is 1000 mm, the gauge change area f is 5000 mm,
The distance g between the left and right pedestals 9, 9 is 1780 mm, the height from the ground to the horizontal upper surface of the pedestal 9 is 430 mm, and the wheel diameter is 860 mm. It is drawn by making the distance in the rail longitudinal direction extremely shorter than the vertical and horizontal distances and the wheel diameter.

[0064]

According to the first aspect of the present invention,
Without using a running rail for changing the gauge as a gauge changing means,
It can be provided at low cost, and the vehicle can be reliably introduced into the track side device without causing the axle box to collide with the track side device or generating large contact friction, and it is not necessary to install a liner for each axle box, Furthermore, even if a slight shift occurs in the wheels, axle, axle box, etc. during the travel of the vehicle due to the allowable gap between the members of the bogie-side device, this can be corrected and the door can be reliably opened and closed.

According to the second and third aspects of the present invention, in addition to the effects of the first aspect of the present invention, the locking and unlocking of the vehicle can be performed more reliably, and the wheels of the vehicle that has passed the gauge change means can be reliably mounted on the traveling rail. .

According to the fourth aspect of the present invention, in addition to the effects of the first, second or third aspect of the present invention, it is possible to prevent the locking and unlocking of the lock by tilting the wheels, and to more reliably open and close the lock. Can be.

According to the fifth aspect of the present invention, in addition to the effects of the first or fourth aspect of the present invention, even if the long material is worn due to aging, the entire long material is replaced in the gauge change area or the operation area. Can be replaced with a partial replacement.

According to the sixth aspect of the present invention, in addition to the effects of the first, second or third aspect of the present invention, when the axle box slides on the support table, the frictional resistance is reduced to reduce the abrasion of the contact portion. And it can be provided at a low cost.

According to the seventh aspect of the present invention, in addition to the effect of the first aspect, when the outer surface of the axle box slides along the side guide, the frictional resistance is reduced to make it less likely to be worn out. Moreover, it can be provided at low cost.

According to the eighth aspect of the invention, in addition to the effect of the sixth or seventh aspect, the axle box can be fed only in the traveling direction to prevent blurring in the left-right or up-down direction.

According to the ninth aspect of the present invention, in addition to the effect of the first aspect of the present invention, the axle box is not worn by the inclined portion of the support table, and the sled plate is in surface contact to protect the axle box. Can be.

[Brief description of the drawings]

FIG. 1 is a schematic explanatory view of a track-side device constituting the present invention viewed from a plane.

FIG. 2 is an enlarged cross-sectional view along AA.

FIG. 3 is a partially enlarged plan view of a track-side device constituting the present invention.

FIG. 4 is a sectional view taken along line BB.

FIG. 5 is a side view of the bogie-side device constituting the present invention.

FIG. 6 is a partially cutaway plan view showing a relationship between an axle box and a locking block in the present embodiment.

FIG. 7 is a longitudinal sectional view in which some members in the above are omitted.

FIG. 8 is a partial sectional view showing a main component of the present invention.

FIG. 9 is an enlarged partial cross-sectional view of the device of the present invention at the position CC in FIG. 1;

FIG. 10 is an enlarged sectional view of the device of the present invention at a position DD in FIG. 1;

11 is an enlarged partial cross-sectional view of the device of the present invention at a position EE in FIG. 1;

FIG. 12 is a schematic explanatory view of another embodiment of the track side device constituting the present invention.

[Explanation of symbols]

Reference Signs List 1 axle 2 axle box 3 bogie frame 4 elastic body 5 axle outer cylinder 6 wheel 7 locking means 8 bogie side device 9 bearing base 10 gauge changing means 10a long material 10b long material 11 running rail 12 running rail 13 track side device 14 Outer side surface 15 Side guide 19 Wheel guide 23 Convex-shaped rotating body 23a Roller 24 Convex-shaped rotating body 24a Roller 63 Long contact material 65 Long contact material 80 Sled plate a Left and right guide area b Vertical guide area c 1 Equilibrium guide area d Operation area e 2nd equilibrium guide area f Gauge change area o Orbital center V Separation part J Unlock setting position

Continued on the front page (71) Applicant 591036893 Railway Equipment Co., Ltd. 2-3-6 Nihonbashi, Chuo-ku, Tokyo (72) Inventor Masao Uchida 38-8 Hikaricho 2-chome, Kokubunji-shi, Tokyo Inside the Railway Technical Research Institute (72) Inventor Hideyuki Takai 2-8 Hikaricho, Kokubunji-shi, Tokyo 38 Inside the Railway Technical Research Institute (72) Inventor Kiuchi 2-8-3 Hikaricho, Kokubunji-shi, Tokyo 38 Research Institute of Railway Technology In-house (72) Inventor Masakatsu Sakai 2-8-10, Rokkakubashi, Kanagawa-ku, Yokohama-shi, Kanagawa Prefecture (72) Inventor Shigeki Makino Room 61-2-405, Hikarigaoka, Nerima-ku, Tokyo (72) Inventor Kenzo Fujisawa 3374-9 Minami-Ogishima, Koshigaya-shi, Saitama (72) Inventor Naoki Yokota 2-1-1, Honcho, Shinminato-shi, Toyama

Claims (9)

[Claims] 1. A left and right axle box accommodating both ends of an axle is suspended from a bogie frame via an elastic body, and a pair of left and right axle outer cylinders are slidably inserted in the axle in the axial direction. Right and left wheels movable in the axial direction together with the axle outer cylinder are provided rotatably on the axle outer cylinder, and locking means movable in the axial direction together with the respective axle outer cylinders are provided on the respective axle boxes in the up-down direction. A truck-side device that is provided so as to be able to be inserted and removed, and that locks and unlocks, and a pair of bearings that support the respective axle boxes, and are installed between the pair of bearings. A pair of gauge changing means for moving in the axial direction, and a narrow gauge and a wide gauge for forming the operation area of the opening and closing by increasing the height difference between the bearing base as approaching the gauge changing means. Track side where running rails are installed symmetrically with respect to the track center In the rail-to-rail variable device of a railway car comprising a device, the rail-to-rail changing means is formed in parallel with inner and outer long members for wheel guidance, and between the inner and outer long members, for the narrow and wide rails. Separate the running rails, project side guides that guide the axle box along the longitudinal direction of each of the bearing tables, and direct the rails from both ends of the track side device toward the gauge change area formed by the gauge changing means. Respectively, the left and right guide area of the axle box, the up and down guide area of the axle box, a first equilibrium guide area for aligning the positions of the axle and the axle box, the operation area of the lock and the positions of the axle and the axle box. A second equilibrium guide region for adjusting the height of each of the side rails in the left and right guide region, and the height of each of the running rails in the vertical guide region. And let In the first equilibrium guide area, the left and right lateral guides are parallel to the track center, and the support base and each of the traveling rails are vertically moved. And in the second equilibrium guide area, the left and right side guides from the unlock setting position in the operation area to the gauge change area are parallel to the track center, and the height of the support table is adjusted. A rail-gauge variable device for a railway vehicle, wherein the device has a constant height and further has a separated portion of the traveling rail. 2. The height of the support base in the operation area is constant, while the travel rail in the operation area has an inclined shape that descends inward, and the end of the travel rail is unlocked. Extends further downward from the set position and
2. The rail-to-gauge variable device according to claim 1, wherein the device is introduced halfway through the equilibrium guide area. 3. The running rail in the operation area has a constant height, while the support base in the operation area has an inclined shape that rises inward, and the end of the running rail is unlocked. 2. The method according to claim 1, wherein the second guide portion extends obliquely downward from the set position and extends halfway through the second equilibrium guide region.
The rail track variable device for railway vehicles. 4. The rail-to-rail variable device for a railway vehicle according to claim 1, 2 or 3, wherein long-side wheel guides are arranged in parallel along both sides of each running rail located in the operation area. . 5. The rail-to-rail variable device for a railway vehicle according to claim 1, wherein a long member for contact is detachably attached to an inward surface of the long member. 6. The rail-gauge variable device for a railway vehicle according to claim 1, wherein the bearing base has a plurality of convex arc-shaped rotating bodies for feeding the axle box on the upper surface and in the longitudinal direction. 7. The rail-to-rail variable device for a railway vehicle according to claim 1, wherein the side guide has a plurality of convex arc-shaped rotating bodies for feeding the axle box in its inward face and in the longitudinal direction. 8. The rail gauge variable device for a railway vehicle according to claim 6, wherein the convex arc-shaped rotating body is a roller. 9. The rail-to-rail variable device according to claim 1, wherein the axle box is provided with a sled plate rotatably mounted on the bottom of the axle box.