JPH0823122B2 - Railroad crossing structure - Google Patents

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a simple railroad crossing structure, which is installed for railway staff to cross a railroad track, especially in a station yard.

[0002]

2. Description of the Related Art In a simple railroad crossing structure which is installed for railway staff to cross a track, square timbers are placed side by side in the rail laying direction, and a flangeway is secured inside the gauge to secure the screws. The timber is fixed to the sleepers with nails or the like to form a railroad crossing. If the sleepers are concrete sleepers,
After inserting a wood sleeper between the concrete sleepers,
At present, square timbers are fixed to the wooden sleepers with screw nails.

[0003]

However, in the structure as described above, in the track repair work such as road bed tamping, after removing the screw nails using a tool or the like, the timber and the wooden sleepers for fixing the timber are fixed. Since the railroad crossing must be removed and restored again after the work is completed by the above-mentioned method, not only a large number of workers are required for the work, but also a large amount of labor and time are required. Therefore, the present invention has been made in view of the above-mentioned conventional problems, and is a level crossing structure capable of being removed and restored in a short time by one or two workers and without using any special tool or the like. It is intended to provide.

[0004]

[Means for Solving the Problems] Therefore, in the present invention, a fixing metal fitting to be fitted into a concave portion of a side surface of a rail and a fitting concave portion formed in a fixing block installed at an outer side of the rail with an appropriate gap, A pair of support beams, which are installed at appropriate intervals in the rail laying direction, between the left and right rails and between the rail and the fixed block, and a fitting piece that fits to the support beams are attached at both ends. A pair of mounting brackets formed on
Provided is a railroad crossing structure including a cross plate fixed to the mounting bracket, the cross plate being detachably fixed on the support beam by bolts and nuts for fastening the support beam and the fitting piece. By doing so, the intended purpose is achieved.

[0005]

With the above structure, when installing, first, the support beams are inclined with respect to the rail laying direction and one of them is brought into contact with the recess of the rail, and the support beam is rotated, and the other is recessed or fixed to the opposing rail. Fit in the fitting recess of the block. After that, after fitting the fitting piece formed on the mounting metal fitting to which the cross plate is fixed in advance into the groove formed on the support beam and placing it on the support beam, the support beam and the fitting piece are bolted. -Tighten with a nut.

As a result, upward escape of the railroad crossing is prevented by the rail head and the upper surface of the fitting recess of the fixing block, and movement of the railroad crossing in the rail laying direction is caused by the support beam hitting the rail fastening spring. It is blocked by placing it in contact. Further, on the fixed block side, the support beam is brought into contact with the side wall of the fitting recess of the fixed block, and the pair of support beams are connected and integrated by the cross plate so that the fixed block is sandwiched. Movement in the rail laying direction is prevented. When moving in the direction perpendicular to the rail, the distance between the fixing brackets attached to both ends of the support beam is the same width as the interval between the fitting pieces of the mounting brackets fixed to both ends of the lower surface of the bridge. Since it is set to, the movement can be prevented only by fitting the fitting piece of the mounting bracket to the support beam. Therefore, the flange way can be secured inside the rail.

[0007]

The present invention will be described below with reference to illustrated embodiments. A is a railroad crossing that forms a staff passage for railroad staff to cross the track, and includes a bridge plate 1, a pair of support beams 2 that support the bridge plate 1, and both ends of the support beam 2. A fixing metal fitting 4 which is fitted and is fitted in a concave portion 3a on a side surface of the rail 3 or a fitting concave portion 15 formed in a fixing block 14 described later, and a pair of mounting metal fittings 5 configured to fix the bridge plate 1. Etc.

The support beam 2 is composed of two plate members 2a and 2b, and a fixing member 4 is sandwiched between both ends of the two plate members 2a and 2b and fixed by bolts and nuts 6. Both ends of the mounting member 5 are bent downward to form fitting pieces 5a that fit into the support beam 2.
The cross plate 1 is fixed to the upper surface of the with a screw nail 7 or the like. The fitting piece 5a is made up of the two plate members 2a, 2 of the support beam 2.
It is fitted in a groove 8 formed by b and is detachably fixed by a bolt 9 and a nut 10. Reference numeral 11 is a bolt hole formed in the support beam 2, and 12 is a bolt hole formed in the fitting piece 5a.

Among the support beams 2, the support beam 2 installed on the inner rail side is provided with a flange way 13 necessary for train traveling between the rail 3 and the bridge plate 1, so that the support beam 2 is more than the bridge plate 1. The flange way is 13 minutes long. In addition, the distance between the fixing fittings 4 attached to both ends of the support beam 2 is determined by
The width is set to be the same as the interval between the fitting pieces 5a of the mounting fittings 5 fixed to both ends of the lower surface of the.

Reference numeral 14 denotes a fixed block which is installed on the outer rail side of the track with an appropriate interval, and the ends of the support beam 2 are provided at both ends of the surface of the fixed block 14 facing the rail 3. A fitting recess 15 for fitting is formed. Further, on the upper surface of the end of the fixed block 14 on the side facing the rail 3,
A plate member 16 adapted to cover the upper portion of the fitting recess 15
Is fixed, and the upper surface of the fitting concave portion 15 is formed by both ends of the plate member 16 to prevent the support beam 2 fitted in the portion from coming out upward.

Although it is possible to form the fitting recess 15 in the fixed block 14 without using the plate member 16, in such a case, it is difficult and expensive to manufacture the fixed block. There is a problem that it becomes. or,
If necessary, a reinforcing member 18 whose lower surface abuts on the upper surface of the sleeper 17 may be attached to the lower surface of the wooden board 1 as shown in FIG. 6 in order to reduce the bending of the wooden board 1.

Next, the installation of the railroad crossing A will be described. At the time of installation, first, the support beam 2 is inclined with respect to the laying direction of the rail 3 as shown in FIG.
While making contact with the concave portion 3a of the side surface of the rail 3, the supporting beam is rotated to fit the other side into the concave portion 3a of the side surface of the rail 3 or the fitting concave portion 15 of the fixed block 14 so as to be perpendicular to the rail 3. Deploy. At this time, the side surface of the support beam 2 is installed at a position in contact with the rail fastening spring 19.

It should be noted that another support beam 2 that forms a pair with the support beam 2
Is a rail fastening spring 19 on the side opposite to the support beam 2.
Abutting against. This is to prevent the railroad crossing A from moving in the rail direction when the railroad plate 1 of the support beam 2 is attached to form the railroad crossing A.

After that, the fitting piece 5 a formed on the mounting member 5 to which the bridge plate 1 is previously fixed is attached to the groove 8 formed on the support beam 2.
Then, the support beam 2 and the fitting piece 5 a are fixed by bolts 9 and nuts 10. In the <br/> fixed, the curve inside of the rail 3, the flange-way
Put your hands in between 13 and fix them separately . On the outer rail side of the rail 3 and the fixed block 14 side , the front and rear support beams 2 and the fitting piece 5a are fixed at once using long bolts. The method includes, it can be applied to the inner rail side of the rail 3
Of course .

In the embodiment, the bolt 9 is a single piece, but the bolt may be welded to an iron plate or the like and may be fixed to the support beam 2 in advance with a screw nail or the like. In such a case, the number of parts can be reduced as a result, the parts management can be improved, and the outer rail side of the rail 3 and the fixed block 14 can be improved.
Even on the side, the front and rear can be fixed separately. Further, when the front and rear support beams 2 and the fitting piece 5a are fixed at once by using a long bolt, a guide piece (not shown) is provided inside the support beam 2 to facilitate the insertion of the bolts. Is desirable. Further, in the embodiment, the railroad crossing is set up on a railroad crossing a railroad staff, but the present invention is not limited to this, and it can be applied to a railroad crossing dedicated to a person with a small traffic volume.

[0016]

As has been described above, according to the present invention, a fixing metal fitting to be fitted in a concave portion on a side surface of a rail and a fitting concave portion formed in a fixing block installed at an outer side of a rail with an appropriate interval, A pair of support beams, which are installed between the left and right rails and between the rail and the fixed block at appropriate intervals in the rail laying direction, and a fitting piece that fits to the support beams, are provided by sandwiching the fixing metal fittings at both ends. Consists of a pair of mounting brackets formed at both ends and a cross plate fixed to the mounting brackets. The cross plate is detachably fixed on the support beam by bolts and nuts that fasten the support beam and the fitting piece. Since the structure is adopted, the railroad crossing can be removed and restored in a short time without using any special tool or the like. Therefore, it is possible to easily perform the track repair work for the portion.

Further, according to the present invention, since the support beam installed on the inner rail side is made longer than the span plate by the flange way,
The flange way can be formed very easily only by fixing the bridge plate to the support beam. Further, according to the present invention,
Since the distance between the fixing metal fittings attached to both ends of the support beam is set to the same width as the distance between the fitting metal fittings fixed to both ends of the lower surface of the cross plate, the fitting metal fittings of the mounting metal fittings are used as support beams. The movement can be prevented only by fitting. Therefore, the flange way can be secured inside the rail.

Moreover, according to the present invention, since the number of workers is small and the construction time can be greatly shortened, not only the cost can be reduced but also the structure can be simplified and the cost can be provided at a practical level. The effect is great.

[Brief description of drawings]

FIG. 1 is a plan view showing a railroad crossing structure according to the present invention.

FIG. 2 is a front view of the above.

FIG. 3 is an exploded enlarged perspective view of a main part of the above.

FIG. 4 is a plan view showing a mounting state of a support beam.

FIG. 5 is an enlarged perspective view of a fixed block.

FIG. 6 is an enlarged perspective view showing an example in which a reinforcing member is attached to a board.

[Explanation of symbols]

 A Crossing 1 Crossing plate 2 Support beam 3 Rail 3a Rail recess 4 Fixing bracket 5 Mounting bracket 5a Fitting piece 9 Bolt 10 Nut 13 Flangeway 14 Fixing block 15 Fitting recess 18 Reinforcing member

 ─────────────────────────────────────────────────── ─── Continuation of the front page (72) Takeji Fukuda 7-26-11, Onodai, Sagamihara City, Kanagawa Prefecture (72) Inventor, Yuichi Akakawa 1259-8 Kaizuka Town, Chiba City, Chiba Prefecture (72) Kazuo Fujita, Kanagawa Prefecture 170-2-7 Tokaichibacho, Midori-ku, Yokohama-shi, Japan

Claims (4)

[Claims] And 1. A fixing bracket for fitting into the recess and gauge outer fitting recess formed in the fixed block placed in presence of the appropriate intervals to the side of the rail, and挾着the mounting brackets to the both ends, left and right between the rails and between the rails and the stationary block, a pair of support beams placed in presence of the appropriate intervals in the rail laying direction, a pair of mounting bracket fitting piece to be fitted to the support beam is formed at both ends, A railroad crossing structure comprising a crossing plate fixed to the mounting bracket, the crossing plate being detachably fixed on the support beam by bolts and nuts for fastening the support beam and the fitting piece. 2. The support beam, which is installed on the inner rail side of the support beams, is longer than the bridge plate by the flange way in order to secure a flangeway required for train traveling between the rail and the bridge plate. The railroad crossing structure according to claim 1, wherein: 3. Between the fixing brackets attached to both ends of the support beam.
Septum, and the fitting pieces of the mounting bracket fixed to the lower surface ends of Doban
The railroad crossing structure according to claim 1, wherein the width is set to be the same as the interval . 4. The railroad crossing structure according to claim 1, wherein a reinforcing member is provided on the lower surface of the cross plate so as to reduce the bending of the cross plate, and the lower surface abuts the sleepers.