JP2003063396A - Gage combination bogie for railway - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a gage combination bogie capable of coping with both a narrow gage standard width and a broad gage standard width of a railway. SOLUTION: The bogie is composed of a plurality of expandable axles 3, wheels 2 attached to both sides of the axles 3, and a frame body 4 arranged upward of the axles 2 at the lowest. The bogie has first to fourth fixing means 10, 11, 15 and 16 and fixing pieces 20 and 21 expanding and contracting a horizontal width of the frame body 4 by moving along the axial direction of the axle 3 on a first frame 6 and a second frame 7 composing the frame body 4, and fixing the first frame 6 and the second frame 7 in order to secure a size after the frame body 4 expands and contracts.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a structure of a railroad track-carrying truck that is manually moved on a railroad track.

[0002]

2. Description of the Related Art For example, in the case of an old Japanese national railway company, a private railway company based on this old national railway system, or a private railway company that is based on the premise of mutual entry with the old national railway system, As a width (hereinafter referred to as a gauge), a narrow gauge standard of 1067 mm is used, and a wide gauge standard of 1435 mm is used as a gauge of a Shinkansen or a gauge of some private railway companies.

[0003]

Therefore, for example, a hand-pushed truck for carrying equipment by placing it on a rail at the time of maintenance work of a railway at night, and a model for the rail width of the narrow gauge standard, It is necessary to manufacture two types of molds, one for a wide gauge standard track width, which requires different manufacturing processes, resulting in an increase in man-hours and the number of parts. Had the inconvenience of being expensive.

[0004] Therefore, an object of the present invention is to provide a railroad gauge-combined truck that can handle both the narrow gauge standard railroad width and the wide gauge standard railroad width.

[0005]

DISCLOSURE OF THE INVENTION Therefore, a railroad gauge-carrying bogie according to the present invention has a plurality of telescopic axles, wheels mounted on both sides of the axles, and a frame arranged above the axles. The first frame and the second frame, which are at least composed of a main body and constitute the frame main body, are movable along the axial direction of the axle to expand and contract the lateral width of the frame main body, and the frame main body is appropriately arranged. It is characterized in that it has a fixing means for fixing the first frame and the second frame in order to secure the lateral width after expansion and contraction (claim 1). Specifically, the first frame includes a first base material located on one wheel side of the axle and a plurality of first erection members extending in a right angle direction from the first base material. Having, as the fixing means,
The first and second fixing members are provided below the erection material and arranged side by side at right angles to the erection material (claim 2). Also,
The second frame has a second base material positioned on the other wheel side of the axle and a plurality of second erection members extending in a perpendicular direction from the second base material, As a means, a third and a fourth fixing member are provided below the erection material and arranged in parallel at right angles to the erection material (claim 3). Furthermore, the first frame and the second frame can be fixed to each other via the first fixing material and the third fixing material while ensuring a narrow gauge standard lateral width. The first frame and the second frame can be fixed to each other via the second fixing material and the fourth fixing material while ensuring a wide gauge standard lateral width.

According to such a structure of the railroad track-carrying bogie, the first frame and the second frame are moved in a direction in which they are relatively close to each other, and the first base material and the second erection material are separated from each other. By fixing the first frame and the second frame at the abutting position via the first fixing member and the third fixing member, the dimension along the longitudinal direction of the axle of the railroad track-carrying truck is also increased. Because of the narrow width, the width of the railroad-gauge / bogie can be adapted to the narrow gauge standard. In addition, the first frame and the second frame are moved in a direction in which they are relatively separated from each other, and the second fixing member provided on the first erection member and the fourth fixing member provided on the second erection member. The second frame and the second frame by fixing the first frame and the second frame through the second fixing member and the fourth fixing member, and thereby, along the longitudinal direction of the axle of the railroad track-carrying carriage. Because of the increased dimensions, the width of the railroad-gauge trolley can be adapted to the wide gauge standard.

Further, in the railroad track-carrying truck according to the present invention, the first frame produced when the first frame and the second frame are fixed to each other via the second fixing member and the fourth fixing member. Connecting material between the base material and the second erection material, and between the second base material and the first erection material, respectively, and the first base material and the second erection material, The second base material and the first erection material are connected via the both connecting materials (claim 6). As a result, it becomes possible to secure the narrow gauge standard lateral width for the dimensions of the first and second erection members before fixing. And, since the outer shape of the railroad-gauge / bogie is a frame-like and has a strong structure, it is necessary to prevent the rattling and secure the strength when the railroad-gauge / bogie for wide gauge is moved. You can

[0008]

BEST MODE FOR CARRYING OUT THE INVENTION Embodiments of the present invention will be described below with reference to the drawings.

FIGS. 1 to 6 show an example of an embodiment of a railroad track-and-gauge carriage 1 according to the present invention.
The railroad track-equipped trolley 1 is used for carrying equipment by placing it on a rail, for example, during railroad track maintenance work, and is of a type called a light truck that can be moved manually.

The railroad-gauge-combined bogie 1 has two pairs of wheels 2 rolling on parallel rails (not shown), two axles 3 with each pair of wheels attached at both ends, and the axle 3 It is basically configured with a frame main body 4 which is located above and on which the axle 3 is rotatably mounted via a bearing 5. The frame main body 4 which constitutes the main configuration of the railroad track-carrying bogie 1 includes a first frame 6 and a second frame 7.
It is configured by combining and.

Of these, the first frame 6 is a linear first base material 8 located on one wheel 2 side of the axle 3.
And a first erection member 9 extending from this first base material 8 in a direction perpendicular to the second frame 7 side. In this embodiment, the first erection member 9 has about three equal intervals. It is provided.
Then, the first erection member 9 has the first
A first fixing member 10 provided orthogonal to the erection member 9 and parallel to the first base material 8 and a predetermined lower surface between the distal end and the base end and orthogonal to the first erection member 9. And a second fixing material 11 provided in parallel with the first fixing material 10. The first fixing material 10 and the second fixing material 11 are a plane fixed to the first erection material 9 and an upright surface abutting the second base material 13 or the fourth fixing material 16 described later. The cross section has an inverted L shape. However, the shapes of the fixing members 10 and 11 are not limited to this, and any shape may be used as long as the standing surface can contact and connect with the standing surfaces of other fixing materials.

On the other hand, the shape of the second frame 7 is
A second base material 13 having a point-symmetrical relationship with the shape of the first frame 6 and located on the other wheel 2 of the axle 3, and the second base material 13 to the first frame. 6 has a second erection material 14 extending in a direction perpendicular to the side,
The shape of the second base material 13 is the same as that of the first base material 8, and as the second erection material 14, three pieces having the same size as the first erection material 9 are used. Are arranged at intervals so that they alternate with. Third fixing material 15 and fourth fixing material 1
6 is the same as the first fixing material 10 and the second fixing material 11, and is provided between the lower surface of the second erection material 14 on the distal end side and the tip and the base end of the second erection material 14. It is juxtaposed with a predetermined lower surface.

Then, the first frame 6 and the second frame 6
In order to fix the frame 7, the first base material 8 is formed with three fixing pieces 20 facing the vertical surface of the third fixing material 15 on the lower surface thereof, and the second base material 13 is The lower surface is formed with three fixing pieces 21 facing the vertical surface of the first fixing material 10, and the first to fourth fixing materials 10, 11, 1 are provided.
As shown in FIG. 3, a through hole 23 for inserting and fixing a fixing member 22 such as a bolt is formed in each of the fixing holes 5, 21 and the fixing pieces 20, 21.

The axle 3 is composed of a holder portion 24 and an extending portion 25 which can be partially accommodated in the holder portion 24. The axial dimension of the axle 3 is the holder portion 2 of the extending portion 25.
The amount of extension from 4 can be freely changed. Further, the axle 3 has a throttle portion 26.
The extension portion 25 can be held by tightening the holder portion 24 to the extension portion 25 side with.

With such a structure, as shown in FIGS. 1 to 3, the first frame 6 and the second frame 7 are moved in a direction in which they are relatively close to each other, so that the axle 3 is contracted and the first frame 6 is contracted. The first base material 8 and the second erection material 14, and the second base material 13 and the first erection material 9 are brought into contact with each other to form the first fixing material 10, the fixing piece 21, and the third fixing material 15. And the fixing piece 20 to the fixing tool 22.
By connecting through the railroad gauges, the width of the railroad gauge-carrying bogie 1 is relatively narrowed, so that the railroad gauge-carrying carriage 1 can be dimensioned according to the narrow gauge standard.

Further, as shown in FIGS. 5 and 6, the first frame 6 and the second frame 7 are moved in a direction in which they are relatively separated from each other, the axle 3 is extended, and the first erection member 9 is attached. Contacting the second fixing member 11 and the fourth fixing member 16 of the second erection member 14 and connecting the second fixing member 11 and the fourth fixing member 16 via the fixing tool 22. Since the width of the railroad-gauge / bogie 1 has a relatively wide width, it is possible to make the dimensions compatible with the wide-gauge standard.

When the railroad-gauge / bogie 1 is adapted to the wide gauge standard shown in FIGS. 5 and 6, the first erection material 9, the second base material 13, and the second erection material. Since a gap is created between the first base material 8 and the first base material 8, the connecting material 29
Are arranged in this gap, and the fixing piece 30 of the connecting material 29 and the fixing material 10 of the erection material 9 are brought into contact with each other, and the fixing material 15 of the erection material 14 and the fixing piece 30 of the other connecting material 29 are brought into contact with each other. . Further, the fixed piece 20 of the base material 8 and the fixed piece 21 of the base material 13 are brought into contact with the fixed piece 31 of the connecting material 29, respectively. Moreover,
The fixture 22 is inserted into the through hole 23 and connected. As a result, the frame main body 3 becomes a frame body in which the outer shape is a substantially quadrangular connected frame, and thus has a strong structure.

Although not shown, the railroad-gauge-carrying cart 1
Is provided with a brake device for manually stopping the movement.

[0019]

As described above, according to the railroad track gauge / carriage truck of the present invention, since the first frame and the second frame can be moved relative to each other, the gauge dimension can be a wide gauge standard dimension. And the narrow gauge standard size can be appropriately changed, and thus the railroad gauge-carrying carriage can be versatile. And since it is possible to have a unified production line for the processes of railroad gauges and trolleys, the man-hours and parts can be seen comprehensively rather than manufacturing the wide gauge trolley and the narrow gauge trolley separately. Since the number of points can be reduced, the wheelbarrow can be made more inexpensive.

In particular, according to the invention of claim 6, the gap between the base material and the erection material is eliminated by the connecting material, and the outer shape of the railroad gauge / carriage has a strong structure. It is possible to prevent rattling when the dual-purpose carriage moves and to secure the strength.

[Brief description of drawings]

FIG. 1 is a perspective view showing a configuration in which a railroad-gauge / carriage truck according to the present invention is adapted to a narrow gauge standard.

FIG. 2 is an explanatory diagram showing a configuration of a railroad gauge-combined truck adapted to the narrow gauge standard as seen from the direction of arrow A in FIG. 1;

FIG. 3 is an explanatory view showing a configuration of a railroad gauge-combined carriage that complies with the narrow gauge standard as seen from the bottom side.

FIG. 4 is an explanatory view showing the shape of each member constituting the railroad-gauge / carriage truck of the same.

[Fig. 5] Fig. 5 is a perspective view showing a configuration in which the railroad-gauge / carriage truck of the same is adapted to a wide-gauge standard.

FIG. 6 is an explanatory view showing a configuration of a railroad gauge-combined carriage that complies with the wide gauge standard as seen from the bottom side.

[Explanation of symbols]

1 Railroad combined gauge truck Two wheels 3 axles 4 frame body 5 Bearing part 6 First frame 7 Second frame 8 First base material 9 First installation material 10 First fixing material 11 Second fixing material 13 Second base material 14 Second erection material 15 Third fixing material 16 Fourth fixing material 20 fixed piece 21 Fixed piece 22 Fixture 23 through holes 24 Holder 25 Extension part 26 Throttle 29 Connection material 30 fixed piece 31 fixed piece

   ─────────────────────────────────────────────────── ─── Continued front page    (72) Inventor Kazuo Yasuda             4-3-1 Tarumacho, Kohoku-ku, Yokohama-shi, Kanagawa             Yoshiike Kaken Equipment Co., Ltd.

Claims (6)

[Claims] 1. A first frame, which comprises at least a plurality of telescopic axles, wheels attached to both sides of the axles, and a frame body disposed above the axle, and which constitutes the frame body. The second frame is movable along the axial direction of the axle to expand and contract the lateral width of the frame main body, and the first frame and the second frame to secure the lateral width after the frame main body is appropriately expanded and contracted. A railroad gauge-carrying truck having a fixing means for fixing the frame of the railroad. 2. The first frame includes a first base material located on one wheel side of the axle and a plurality of first erection members extending in a direction perpendicular to the first base material. The railroad track according to claim 1, wherein the fixing means includes first and second fixing members that are arranged in a lower portion of the erection member in a direction orthogonal to the erection member as the fixing means. Combined dolly. 3. The second frame has a second base material located on the other wheel side of the axle, and a plurality of second erection members extending in a right angle direction from the second base material. The railroad track-combining dual-purpose railway track according to claim 1, characterized in that, as the fixing means, third and fourth fixing members are provided in a lower portion of the erection member and arranged in parallel with each other at right angles to the erection member. Dolly. 4. The second frame according to claim 2, wherein the first frame and the second frame can be fixed to each other via the first fixing material and the third fixing material. Railroad combined gauge truck. 5. The second frame according to claim 2, wherein the first frame and the second frame can be fixed to each other via the second fixing member and the fourth fixing member. Railroad combined gauge truck. 6. A first base material and a second erection material, which are generated when the first frame and the second frame are fixed to each other via the second fixing material and the fourth fixing material. Connection material is arranged between the second base material and the first installation material, and the first base material and the second installation material, and the second base material and the first installation material. 6. The railroad track-carrying truck according to claim 5, wherein the railroad material is connected to the railroad material through the both connecting materials.