JPH0829703B2 - How to change the direction of a track vehicle - Google Patents

Description

TECHNICAL FIELD The present invention relates to a method for changing the direction of a track running vehicle, and more particularly to changing the direction of a track running vehicle capable of moving a vehicle on the track in a direction perpendicular to the track. Regarding the method.

[Conventional technology]

It is known that a track running vehicle of this type is provided with wheels for running tracks on both front and rear sides of a chassis frame of a vehicle such as an automobile so that the wheels can be lifted and lowered by lifting devices. According to such an orbital vehicle, when traveling on the road, the orbiting wheels are lifted and stored by the lifting device to travel on the road with the tires, and when traveling on the orbit, the orbiting wheels are operated by the lifting device. It is fixed by descending and placed on the track, and the power tires are brought into contact with the track to run.

[Problems to be Solved by the Invention]

In such a track vehicle, when it is necessary to move from the track to another track or to move from the track irreversibly, conventionally, the vehicle is once returned to the road vehicle and moved as a road vehicle to change the direction. Was there. In order to do this, the road surface had to be on the same plane as the track.

However, the location of such a condition does not exist in the extension of the orbit, and there is a drawback in that the direction cannot be changed at any location.

The present invention has been made to solve the above-mentioned drawbacks, and an object of the present invention is to provide a method of changing the direction of a track vehicle that can easily change the direction.

[Means for solving the problem]

In order to achieve the above-mentioned object, the method for changing the direction of a track car according to the present invention includes tires axially supported on the lower left, right, front and rear of the chassis frame, and fixed on the lower left, right, front and rear of the chassis frame, respectively. An elevating device that can vertically expand and contract to lift the chassis frame, and an iron wheel that horizontally supports each rotating shaft on the lower side surface of each elevating device and that is horizontally turnable. It can be laid temporarily at any place of the railroad car and the fixed rail, and is arranged in the direction perpendicular to the length direction of the rail, and when it is laid, the rail is fixed more than the upper surface of the fixed rail. It consists of a temporary rail whose upper surface can be positioned upward, and at a predetermined location of the fixed rail that is intended to change direction, the temporary rail is at a right angle to the fixed rail. The railcar is moved to the upper part of this temporary rail, and the lifting rail lifts the chassis frame to release the contact between the fixed rail and the iron wheel, and turn each iron wheel horizontally at a right angle. Then, the chassis frame is lowered by the elevating device, each iron wheel is brought into contact with the temporary rail, and the iron wheel is rolled on the temporary rail, thereby moving the track car in the direction of the temporary rail. Is.

Further, in the present invention, it is desirable that the lifting device has a cylindrical fixing portion fixed to a chassis frame with its axis vertically disposed, and slidably and rotatably inserted into the fixing portion. The lifting column that supports the iron ring so that the axis line is perpendicular to the side surface, the hydraulic cylinder that is stored inside the fixed part, and the hydraulic cylinder that expands and contracts downward, play vertically with the lifting column. And a lock mechanism for fixing the fixed portion and the lifting column at a predetermined position.

Further, in the present invention, preferably, the temporary rail is a short rail laid at a right angle between the fixed rails, a spacer for detachably engaging a pair of short rails, and a side of the fixed rail. It consists of a long rail laid at right angles to one side, a spacer that removably engages a pair of long rails, and an auxiliary rail that is fitted on the upper surface of the fixed rail and connects the short rail and the long rail. It is characterized by.

[Action]

According to the present invention, a temporary rail can be laid in any position of the fixed rail in a direction perpendicular to the fixed rail, and the track vehicle can be moved laterally at the place where the temporary rail is laid. it can. In this turn,
The lifting device fixed to the chassis frame lifts the entire track vehicle together with the chassis frame, and lifts the iron wheel that was in contact with the fixed rail to release the contact. Then, the iron wheel is swung at a right angle in the horizontal direction, and when the iron wheel is aligned with the direction of the temporary rail, the lifting / lowering device lowers the chassis frame to bring the iron wheel into contact with the temporary rail. Then, the iron wheel can roll on the temporary rail, and by rolling in the direction of the temporary rail, the track vehicle can be moved to the side of the fixed rail.

The lifting device is composed of a fixed part and a lifting column.The lifting column can slide up and down with respect to the fixed part and can rotate in the horizontal direction. is there. Further, a hydraulic cylinder is housed in the fixed portion, and the lifting column can slide up and down by the hydraulic cylinder. Since the cylinder rod of the hydraulic cylinder is loosely fitted to the elevating column with play above and below, the lower end of the cylinder rod comes into contact with the ground first to lift the chassis frame. Then
The elevating column can be lowered, and the iron wheel can be lowered. On the contrary, when raising the cylinder rod, the cylinder rod can be raised by the length of the play and the iron wheel can be held in the lowered position as it is, allowing the rail fixed by the iron wheel to move. Becomes

Since the temporary rail is composed of the short rail, the long rail and the auxiliary rail, it can be easily assembled at the place where the direction is to be changed. Since this auxiliary rail can be mounted on the upper surface of the fixed rail and assembled, a step can be provided between the fixed rail and the temporary rail, and the movement by the iron wheel can be reliably performed.

〔Example〕

 An embodiment of the present invention will be described below with reference to the drawings.

1 to 9 are views for explaining an embodiment of the present invention.

Here, FIG. 1 is a perspective view showing an embodiment of the track running vehicle of the present invention, FIG. 2 is a plan view showing a main part of the embodiment, and FIG. FIG. 4 is a perspective view showing an example of the apparatus, and FIG. 4 is a sectional view of FIG.

1 to 4, the track vehicle 1 has a configuration in which a gasoline engine or a diesel engine is mounted. In this track vehicle 1, rubber tires 3 and 4 which are wheels for traveling on a general road are attached to both front and rear sides of a chassis frame 2. Further, the track vehicle 1 has a configuration in which a driver's cab 5 is provided on the chassis frame 2 and a loading platform 6 is provided behind the driver's cab 5. For example, construction tools and construction materials are mounted on the platform 6. The track vehicle 1 has a chassis frame 4 on which front and rear side portions, which are different from the rubber tires 3 and 4, are provided with lifting devices 7 that can also function as outrigger devices. This lifting device 7 is provided with iron wheels 8 which are orbital wheels to be placed on a rail (described later).

The lifting device 7 includes a columnar lifting column 10 that moves up and down with respect to a columnar fixing portion 9 attached to the chassis frame 2. Below the lifting column 10, a ground plate 11 is provided.
Is provided. The lifting column 10 is provided with a base 12 to which the iron wheel 8 is attached, and the lifting column 10 including the base 12 is rotatable with respect to the fixed portion 9.

Further, the elevating column 10 has a locking member 13 in the fixing hole A or the fixing hole B provided in the elevating column 10 and the hole 14 provided in the fixing portion 9.
It can be fixed by inserting. Further, a storage hole C is formed in the lower part of the elevating column 10 of the elevating device 7,
When the lifting column 10 is housed in the fixed part 9, the storage hole C and the hole
By inserting the lock member 13 into the and 14, the elevating column 10 is fixed.

Then, the elevating column 10 of the elevating device 7 is extended by hydraulic pressure or the like by a predetermined amount, and the lock member 13 is inserted into the fixing hole A and the hole 14 so that the iron wheel 8 is placed on the track rail 20 and the track rail 20. It is possible to run. Further, the lifting device 7 is provided with a hydraulic cylinder 22 fixed inside the fixing portion 9, and a cylinder rod 23 connected to a piston of the hydraulic cylinder 22 is connected to the lifting column 10.

Then, the elevating column 10 is extended from the fixing portion 9, the lock member 13 is inserted into the fixing hole A and the hole 14, the elevating column 10 is fixed, and the cylinder rod 23 is further extended by the hydraulic cylinder 22. The support pillar 24 to which is fixed is extended so that the track vehicle 1 can be floated and the iron wheel 8 can be floated from the track rail 20.

The device for driving the hydraulic cylinder 22 is omitted because it is not particularly related to the present invention.

FIG. 5 is an exploded perspective view showing a temporary rail used in the embodiment of the present invention. FIG. 6 is a view showing a usage state of the auxiliary rail.

In these figures, the temporary rail 30 is the short rail 31
, Long rail 32, auxiliary rails 33 and 34, and spacer 3
Assembled with 5, 36. Normally, two sets of short rails 31, auxiliary rails 33 and 34, and spacers 35 are provided. On one side surface of the short rail 31, there is provided a storage cylinder 37 into which a U-shaped spacer 35 can be inserted and removed. Further, on one side surface of the long rail 32, a storage cylinder 38 into which a U-shaped espacer 36 can be inserted / removed is provided. The auxiliary rail 33 is
A grip portion 39 is provided for mounting on the track rail 20 so as not to move. In addition, another auxiliary rail 34,
A grip portion 40 is provided for mounting on the track rail 20 so as not to move, and a rail base portion 41 is provided so that the end portion can be extended. The short rails 31 are arranged at a right angle between the track rails 20 at regular intervals so that the storage cylinder 37 faces inward, and a spacer 35 is fitted into the storage cylinder 37 to form a part of the temporary rail. It is supposed to be done.

Further, the long rail 32 is arranged on the extension of the short rail 31 such that the storage cylinder 38 faces inward at a constant interval between the track rails 20, 20, and the spacer 36 is fitted into the storage cylinder 38. Thus, a part of the temporary rail is formed. Further, as shown in FIG. 6, auxiliary rails 33 and 34 are placed on the track rail 20 and on the track rail 20 in a portion adjacent to the short rail 31. As a result, as shown in FIG. 7, the temporary rail 30 is laid between the track rails 20 and 20 to be completed.

Of course, after use, it can be disassembled by reversing the above procedure.

The operation of the embodiment configured as described above will be described with reference to FIGS.
It will be described with reference to the drawings. 8 and 9 are explanatory views shown for explaining the operation of the above-described embodiment, FIG. 8 is an explanatory view of a conversion method of the track vehicle 1, and FIG. 9 is a plan view thereof.

First, it is assumed that the track vehicle 1 has traveled on the track rail 20. Then, it is assumed that the user wants to change the direction at the position. In this case, first, the short rail 31, the long rail 32, the auxiliary rails 33 and 34, and the spacer
Remove 35 and 36 from the loading platform 6 or the like.

The short rails 31 are arranged at right angles between the track rails 20, 20 at regular intervals so that the storage cylinder 37 faces inward. A part of the temporary rail is formed by fitting the spacer 35 into the corresponding storage cylinder 37 of each short rail 31.

Further, the long rails 32 are arranged on the extension of the short rails 31 so that the storage cylinders 38 face inward at regular intervals between the track rails 20, 20. A part of the temporary rail is formed by fitting the spacer 36 into the corresponding storage cylinder 38 of the long rail 32. Further, on the track rail 20 and on the adjacent rail 20 of the short rail 31, the auxiliary rails are provided via the grip portions 39 and 40.
33 and 34 are placed. As a result, as shown in FIG. 7 and FIG. 9 (1), the temporary rail 30 becomes the track rails 20, 20.
It is laid between (process 100). At this time, FIG. 9 (2)
The iron wheel 8 is parallel to the track rail 20, as shown in FIG.

Next, hydraulic oil is supplied to the hydraulic cylinder 22 to extend the cylinder rod 23 and extend the support column 24. As a result, the track vehicle 1 rises as shown in FIG. 9 (3),
The iron ring 8 is floated from the track rail 20 (step 101). After such a state, as shown in FIG. 9 (4), the iron wheel 8 is fixed at right angles to the track rail 20 (step
102).

Further, the hydraulic oil supplied to the hydraulic cylinder 22 is drained to shrink the cylinder rod 23 and retract the support column 24. As a result, as shown in FIGS. 9 (5) and 9 (6),
Place the iron wheel 8 of the track vehicle 1 on the temporary rail 30 (process 10
3).

In this state, the track vehicle 1 is moved as indicated by the arrow shown in FIG. 9 (6) (step 104).

Further, when the track vehicle 1 moves on the temporary rail 30 and comes on the next track rail 20, the iron wheel 8 is oriented at a right angle to the temporary rail 30 and fixed parallel to the track rail 20 (step 105). ). Then, the hydraulic oil supplied to the hydraulic cylinder 22 is drained to contract the cylinder rod 23 and
Degenerate 24. As a result, the iron wheel 8 of the track vehicle 1 is placed on another track rail 20 (step 106). This allows
It is possible to move to the rail 20 next to the track rail 20 that has been preceding so far, and the track vehicle 1 can travel on the track rail 20 of the movement destination.

After this state, the spacers 35 and 36 are extracted from the short rail 31 and the long rail 32 to separate them, and the auxiliary rails 33 and 34 are also collected (step 107).

In the above-mentioned embodiment, the movement to the track rails 20, 20 is a double track, but it can be used to temporarily retract from the track rail 20, for example.

〔The invention's effect〕

As described above, according to the present invention, the temporary rail allows the track vehicle on the track rail to be freely moved to another track rail, etc., so that the direction can be changed freely and the convenience of use is good. There is. In this direction change, the entire track running vehicle is lifted together with the chassis frame by the lifting device fixed to the chassis frame, and the iron wheel that was in contact with the fixed rail is also lifted to release the contact. Then, the iron wheel is swung at a right angle in the horizontal direction, and when the iron wheel is aligned with the direction of the temporary rail, the lifting / lowering device lowers the chassis frame to bring the iron wheel into contact with the temporary rail. Then, the iron wheel can roll on the temporary rail, and by rolling in the direction of the temporary rail,
The track vehicle can be moved to the side of a fixed rail.

The lifting device is composed of a fixed part and a lifting column.The lifting column can slide up and down with respect to the fixed part and can rotate in the horizontal direction. is there. Further, a hydraulic cylinder is housed in the fixed portion, and the lifting column can slide up and down by the hydraulic cylinder. Since the cylinder rod of the hydraulic cylinder is loosely fitted to the elevating column with play above and below, the lower end of the cylinder rod comes into contact with the ground first to lift the chassis frame. Then
The elevating column can be lowered, and the iron wheel can be lowered. On the contrary, when raising the cylinder rod, the cylinder rod can be raised by the length of the play and the iron wheel can be held in the lowered position as it is, allowing the rail fixed by the iron wheel to move. Becomes

Since the temporary rail is composed of the short rail, the long rail and the auxiliary rail, it can be easily assembled at the place where the direction is to be changed. Since this auxiliary rail can be mounted on the upper surface of the fixed rail and assembled, a step can be provided between the fixed rail and the temporary rail, and the movement by the iron wheel can be reliably performed.

[Brief description of drawings]

FIG. 1 is a perspective view showing an embodiment of a track running vehicle that realizes an embodiment of the present invention, FIG. 2 is a plan view of the track running vehicle, and FIG. 3 is a lifting device and wheels of the track running vehicle. Fig. 4 is a sectional view of Fig. 3, Fig. 4 is a sectional view of Fig. 3, Fig. 5 is an exploded perspective view of a temporary rail that realizes the embodiment, and Fig. 6 is a view showing an installation state of auxiliary rails that constitute the temporary rail. FIG. 7 is a perspective view showing a laid state of the temporary rail, FIG. 8 is a process diagram for explaining the same embodiment, and FIG. 9 is an explanatory diagram for explaining the same embodiment. 1 ... Track vehicle, 2 ... Chassis frame, 3, 4 ...
… Rubber tires, 5 …… driver cab, 7 …… elevator, 8 ……
Iron wheels (wheels for orbital running), 9 ... Fixed part, 10 ... Lifting column, 12 ... Base, 13 ... Lock member, 14, A, B, C ...
… Hole, 30 …… temporary rail, 31 …… short rail, 32 …… long rail, 33,34 …… auxiliary rail, 35,36 …… spacer.

Claims (3)

[Claims] 1. Tires axially supported on the left, right, front and rear of the lower part of the chassis frame, and fixed to the left, right, front, and rear of the lower part of the chassis frame, and each of which can extend and contract in the vertical direction to lift the chassis frame. A tracked vehicle having a lifting device and a steel wheel that horizontally supports the respective rotation shafts on the lower side surface of each lifting device and that is held so as to be rotatable in the horizontal direction, and an optional location of a fixed rail. It can be temporarily laid with the rail and is arranged in a direction perpendicular to the length direction of the rail, and it has a temporary rail whose upper surface can be positioned above the upper surface of the rail fixed when installed. In order to change the direction, lay a temporary rail at a predetermined position on the fixed rail so that it is at a right angle to the fixed rail, and run on track to the upper part of this temporary rail. By moving and lifting the chassis frame with the lifting device to release the contact between the fixed rail and the iron wheel, rotate each iron wheel at a right angle to the horizontal direction, lower the chassis frame with the lifting device, A method for changing the direction of a track traveling vehicle, characterized in that the track traveling vehicle is moved in the direction of the temporary rail by contacting the rail with the temporary rail and rolling an iron wheel on the temporary rail. 2. The elevating device is a cylindrical fixing portion fixed to a chassis frame with its axis lined vertically, and is slidably and rotatably inserted into the fixing portion.
An elevating column that supports an iron wheel so that its axis is at a right angle to its side, a hydraulic cylinder housed inside the fixed part, and a telescopic column that expands and contracts downwards and has vertical play with the elevating column. A direction changing method for a railroad vehicle according to claim (1), characterized in that the method comprises a cylinder rod loosely fitted and a lock mechanism for fixing the fixed portion and the lifting column at a predetermined position. . 3. The temporary rail comprises a short rail laid at a right angle between fixed rails, a spacer for detachably engaging a pair of short rails, and a right angle to a side of the fixed rail. It is characterized by comprising a long rail to be laid, a spacer for detachably engaging a pair of long rails, and an auxiliary rail fitted on the upper surface of the fixed rail and connecting the short rail and the long rail. A method for changing the direction of a track vehicle according to claim (1).