JP3438608B2 - Track rail support structure for floating railway - Google Patents

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a support structure for supporting track rails of a levitation railway.

[0002]

2. Description of the Related Art Sleepers that support track rails of levitation railways such as HSST (city linear) are supported by supports (girders, etc.) via bearings such as rubber plates and metal plates.

[0003]

Since the rubber plate, which is a component of the support, is sandwiched and arranged under the sleepers, due to vehicle load, vibration, thermal expansion and contraction of the track rail, etc.
There is a problem that the rubber plate may slip out of the bearing or stick out. Note that if the rubber plate slips out of the support or sticks out, the sleepers are displaced and the track rail is distorted, causing a problem that the levitation railway vehicle comes into contact with the track rail.

[0004]

SUMMARY OF THE INVENTION The present invention has been made in view of the above circumstances, and an object of the present invention is to provide a floating railroad track rail that does not have a problem that a rubber plate comes out or sticks out from a supporter that supports a sleeper. In providing the support structure.

[0005]

In order to achieve the above object, a support structure for a floating rail track rail according to the present invention adopts the following structure. [Means of Claim 1] A support structure for a track rail for a levitation type railway supports a track rail for running a levitation type railway vehicle, and supports a steel pipe sleeper having a cross-section angle arranged in the vehicle left-right direction and this sleeper. A support, a support placed between the sleeper and the support, and a rubber plate, a shim plate, a metal plate, and a pedestal concrete sequentially arranged from above,
The sleeper is fastened to the support body by an anchor bolt penetrating the support body from above, the metal plate includes height adjusting means at both ends in the vehicle traveling direction, and the rubber A rigid plate-like body is fixed to the lower surface of the plate, and both end portions of the plate-like body in the vehicle left-right direction are formed into a substantially U-shape bent toward the lower surface. Is divided into two in the vehicle traveling direction, and each of the divided shim plates is arranged between the bent portion of the plate-shaped body and the height adjusting means of the metal plate. To do.

[Means for Claim 2] In the support structure for a floating railroad track rail according to claim 1, the pedestal concrete is driven into a resin frame such as rubber, plastic, sponge or styrene. Is characterized by.

[0007]

[Operation and effect of the present invention] [Operation and effect of claim 1] Since the sleeper is a steel pipe having a square cross section, it is possible to cut and provide a steel pipe of an existing standard, and it is possible to suppress the cost required for the sleeper. . Since the sleepers are fastened to the support by anchor bolts, the workability is excellent. The plate-shaped body to which the rubber plate is joined is prevented from coming off in the vehicle front-rear and left-right directions by the metal plate and the height adjusting means, so that there is no problem that the rubber plate comes out of the bearing or sticks out. Therefore, there is no problem that the rubber plate slips out of the support or sticks out to cause strain on the sleepers and the track rail, and it is possible to suppress a problem in which the levitation railway vehicle contacts the track rail. Since the shim plate is divided into two parts,
Even after fastening the anchor bolts, the shim plate can be easily attached and detached. Further, the shim plate which can be easily attached and detached is prevented from coming off in the left-right direction of the vehicle by the plate-shaped body, and is prevented from coming off in the front-rear direction by the height adjusting means.

[Operation and effect of claim 2] By using a resin frame such as rubber, plastic, sponge, or styrene as the frame for driving the pedestal concrete, the frame cost can be kept low. In addition to being able to do so, it is possible to eliminate the need for removal after construction, and improve workability.

[0009]

BEST MODE FOR CARRYING OUT THE INVENTION Next, an embodiment of the present invention will be described based on examples and modifications. [Structure of Embodiment] An embodiment will be described with reference to FIGS. Note that FIG. 1 is an exploded perspective view of a support structure for a floating rail track rail, and FIG. 2 is a schematic front view of a support structure for a floating rail track rail.

HSST (urban linear) track rail 1
Is supported in parallel by two ends of a large number of sleepers 2 arranged in the vehicle left-right direction. As shown in FIG.
Each sleeper 2 is supported on a PC girder 4 (corresponding to a support) via a support body 3 arranged on the lower left and right sides. The sleeper 2 uses a steel pipe sleeper with a section angle,
This is a JIS standard steel pipe that has been cut and perforated and then rust-proofed.

The support body 3 is arranged between the sleeper 2 and the PC girder 4 and supports the sleeper 2 at an appropriate height. The support plate 3 includes a rubber plate 5, a shim plate 6, a metal plate 7, and a pedestal from above. Concrete 8 is sequentially arranged. The sleeper 2 has two anchor bolts 9 screwed in from above.
The anchor bolt 9 penetrates each member of the sleeper 2 and the support 3 by being fastened to the PC girder 4. An insert anchor 10 for fastening the anchor bolt 9 is inserted into the PC girder 4 inside the PC girder 4. Further, a pressing plate 11 is arranged above the sleeper 2, and the fastening force of the anchor bolt 9 is transmitted to the sleeper 2 via the pressing plate 11.

The rubber plate 5 is shown in FIGS. 3 (a) and 3 (b).
As shown in FIG. 3, the metal plate 7 is fixedly provided on the upper surface of a metal (rigid body) plate-shaped body 12 provided in a shape that covers both ends of the metal plate 7. The plate-shaped body 12 is provided in a shape in which both end portions in the vehicle left-right direction are bent in a substantially U-shape on the lower surface side, and is disposed so as to cover both ends of the metal plate 7 in the vehicle left-right direction. The direction is prevented from coming off.
Further, the plate-shaped body 12 is height adjusting means 13 (height adjusting bolt) screwed into both ends of the metal plate 7 in the vehicle front-rear direction.
This prevents the vehicle from coming off in the front-rear direction.

The shim plate 6 adjusts the height of the sleeper 2 after the anchor bolts 9 are fastened, and is provided in a two-divided manner in the vehicle traveling direction as shown by the chain double-dashed line in FIG. . Each of the divided shim plates 6,
It is arranged so as to be covered by the plate-shaped body 12, and the plate-shaped body 12 prevents the vehicle from coming off in the left-right direction. Further, the divided shim plate 6 is, similarly to the plate-shaped body 12, prevented from coming off in the vehicle front-rear direction by the height adjusting means 13.

As shown by the solid line in FIG. 4, the metal plate 7 has screw holes 14 for screwing the height adjusting means 13 at both ends in the vehicle front-rear direction. The height before the pedestal concrete 8 is driven is adjusted by the screwing amount. Further, mortar inlets 15 are provided at both ends of the metal plate 7 in the vehicle front-rear direction.

The pedestal concrete 8 is a sponge frame 1
It is something that is driven in. This sponge frame 1
6 is a stretchable sponge provided in a rectangular frame shape matching the metal plate 7. The metal plate 7 is placed in the sponge shaping frame 16 before the concrete is poured, and the screw of the height adjusting means 13 is screwed. The height of the metal plate 7 is adjusted according to the amount of inclusion. Then, the concrete is injected from one mortar injection port 15 of the metal plate 7, and when the concrete overflows from the other mortar injection port 15, the injection of the concrete is stopped. Although the sponge frame 16 may be removed after the concrete is hardened, the sponge frame 16 may be used as it is without being removed after curing to improve workability.

[Effects of the embodiment] Since the sleeper 2 is formed by processing the JIS standard steel pipe, the cost required for the sleeper 2 can be suppressed, and as a result, the cost required for constructing the track rail 1 can be suppressed. it can. Since the sleeper 2 is fastened to the PC girder 4 with the two anchor bolts 9, the sleeper 2 has excellent workability.

The plate-like body 12 to which the rubber plate 5 is joined
Since the metal plate 7 fixed to the PC girder 4 via the pedestal concrete 8 and the height adjusting means 13 prevent the vehicle from coming off in the front-rear direction and the left-right direction, the rubber plate 5 comes out from the support body 3, There is no problem of protruding. For this reason, there is no problem that the sleepers 2 and the track rail 1 are distorted, and the levitation railway vehicle is installed on the track rail 1
It is possible to suppress the problem of contact with the.

Since the shim plate 6 is divided into two parts, the shim plate 6 can be easily attached and detached even after the anchor bolt 9 is fastened. The shim plate 6 that can be easily attached and detached is prevented from coming off in the vehicle left-right direction by the plate-shaped body 12, and is taken out in the vehicle front-rear direction by the height adjusting means 13. By using the sponge frame 16 as the frame for driving the pedestal concrete 8, the frame cost can be kept low, and it is not necessary to remove the frame after construction, so that workability can be improved.

[Modification] In the above embodiment, the sponge frame 16 is used as an example of the resin of the resin frame, but a frame made of other resin material such as rubber, plastic or styrene may be used. You may use.

[Brief description of drawings]

FIG. 1 is an exploded perspective view of a support structure for a floating rail track rail.

FIG. 2 is a schematic front view of a support structure for a floating rail track rail.

FIG. 3 is a side view and a top view of a plate-shaped body to which a rubber plate is joined.

FIG. 4 is a top view of the metal plate.

[Explanation of symbols]

1 track rail 2 sleepers 3 support 4 PC girder (support) 5 rubber plate 6 shim plates 7 metal plate 8 pedestal concrete 9 Anchor bolt 12 Plates 13 Height adjustment means 16 Sponge formwork (resin formwork)

─────────────────────────────────────────────────── ─── Continuation of the front page (56) Reference JP-A-7-34401 (JP, A) JP-A-10-46503 (JP, A) JP-A-9-268506 (JP, A) JP-A-3- 257201 (JP, A) JP-A-10-237802 (JP, A) (58) Fields investigated (Int.Cl. ⁷ , DB name) E01B 25/30-25/34

Claims (2)

(57) [Claims] 1. A steel pipe sleeper supporting a track rail for running a floating railway vehicle and having a cross-section angle arranged in the vehicle left-right direction, a support body supporting the sleeper, and a space between the sleeper and the support body. And a support body in which a rubber plate, a shim plate, a metal plate, and a pedestal concrete are sequentially arranged from above, and the sleeper is fastened to the support body by an anchor bolt penetrating the support body from above. In the supporting structure for a floating railroad track rail, the metal plate is provided with height adjusting means at both ends in the vehicle traveling direction, and a plate-like body made of a rigid body is fixed to the lower surface of the rubber plate. At the same time, both end portions of the plate-shaped body in the vehicle left-right direction are formed in a shape that is bent in a substantially U-shape toward the lower surface side, and the shim plate is divided into two in the vehicle traveling direction. Each of the formed shim plates is disposed between the bent portion of the plate-like body and the height adjusting means of the metal plate. 2. The floating rail track rail support structure according to claim 1, wherein the pedestal concrete is driven into a resin frame made of rubber, plastic, sponge, styrene, or the like. Support structure for track rails for railways.