JP3552030B2 - Sleeper elastic track device - Google Patents

Description

[0001]
TECHNICAL FIELD OF THE INVENTION
The present invention relates to a sleeper elastic track device for facilitating the construction of a ballast track using a liquid mortar when converting the ballast track into a concrete track. In addition, the liquid mortar is smoothly filled (injected) to a predetermined position even when there is a vertical gradient in the train traveling direction.
[0002]
[Prior art]
There are concrete and ballasted ballasts for track tracks, but concrete ballasts need to be replaced with concrete in order to repair aging cracks and debris deterioration. In addition, it has been practiced to convert the ballast ballast to a concrete ballast that is advantageous in terms of maintaining and managing the ballast ballast.
[0003]
As a method of constructing a concrete roadbed, as shown in FIG. 9, after removing the concrete of the old concrete roadbed, the upper surface of the concrete slab 1 constituting the lower floor is washed with water and cleaned, and a new ballast (hereinafter referred to as ballast) is provided on the upper surface. There is a method in which the railroad frame is replaced in (2), the compaction is sufficiently performed, the railroad frame is adjusted, and then liquid mortar is poured to complete the concreted roadbed. The concrete sleeper 5 supporting the rail 4 is supported by the concreted roadbed 3.
[0004]
According to the construction method in which the ballast ballast is converted into a concrete ballast, the ballast ballast can be constructed without temporarily receiving a sleeper and without running slowly on the train, and it is not necessary to constantly check the train slowing and the temporarily received state.
[0005]
[Problems to be solved by the invention]
Since the concrete sleeper 5 vibrates violently under the load of the train running on the rails 4, it is necessary to be elastically supported to absorb the vibration. However, when the concrete sleeper 5 is supported by the ballast ballast, the vibration applied to the concrete sleeper 1 is absorbed by the elasticity of the ballast ballast itself. The sleeper 5 loses its vibration absorbing function. For this reason, even if the ballast ballast is made into a concrete ballast, the concrete sleeper 5 is elastically supported, and a special ballast ballast is used in the construction of a concrete ballast so that the vibration absorbing function is not impaired. A workaround is needed, but no effective solution has been proposed to solve this problem.
An object of the present invention is to provide a sleeper elastic track device that solves the above-mentioned problem.
[0006]
[Means for Solving the Problems]
In order to solve the above-mentioned problems, the present invention is characterized in that it is configured as follows.
The invention of the first sleeper elastic track device is a sleeper elastic track device used when a ballast bed is converted into a concrete bed by injecting liquid mortar. A bottom plate, both side plates and both end plates are provided, and the upper side is opened, and around the upper surface of the vibration isolation box, a wide surface for fixing the lid formwork installed on the upper surface of the ballast ballast at the time of mortar injection. The configuration is provided with a formwork function by providing, and the sleeper is stored in the vibration-proof box via a vibration-proof pad.
In a second aspect of the present invention, the anti-vibration box according to the first aspect of the present invention is integrally formed, or has the bottom plate, the both side plates, and the end plate respectively, and has a facing opening and an upper opening formed therein. It is characterized by comprising a first vibration-isolating box member and a second vibration-isolating box member, and being constructed by joining the opposite opening portions side in a water-tight manner. "
[0007]
ADVANTAGE OF THE INVENTION According to this invention, when a ballast track is made into a concrete track, the sleeper can be elastically supported by a vibration-proof box via a vibration-proof pad, and can absorb and support the vibration applied from a rail smoothly. In addition, during the construction of the concrete roadbed, the liquid mortar is prevented from entering the anti-vibration box with the formwork function, and the sleepers are installed on the flat track and on the track with the cant. In both cases where the vehicle is installed and the vehicle is installed on a vertical gradient track in the train traveling direction, the implementation of the means of the first and second inventions allows the construction work to proceed smoothly.
[0008]
BEST MODE FOR CARRYING OUT THE INVENTION
An embodiment of the present invention will be described with reference to the drawings.
1 to 5 show the first embodiment, FIG. 6 shows the second embodiment, and FIGS. 7 and 8 show the third embodiment.
[0009]
The first embodiment will be described with reference to FIGS. FIG. 1 shows an example in which the sleeper elastic track device according to the first embodiment of the present invention is applied to a ballast ballast (hereinafter referred to as a concrete ballast) which has been made into a concrete ballast. It is elastically supported on the concreted roadbed 3 via a vibration isolating box 6 having a formwork function.
[0010]
3 and 4, the anti-vibration box 6 includes a first anti-vibration box member 6a and a second anti-vibration box member 6b, and the first anti-vibration box member 6a and the second anti-vibration box The both sides and the bottom part of each joining side of the member 6b are tightly joined and assembled.
[0011]
That is, both the first vibration-proof box member 6a and the second vibration-proof box member 6b have the opening 7 on the opposite side and the opening 8 on the upper side. A configuration having an end plate 12, and further having a lid form fixing flange 13 (the width dimension thereof may be any size) which protrudes outward horizontally at the upper ends of both side plates 10 and the end plate 12. It has been.
[0012]
Since the first vibration-proof box member 6a and the second vibration-proof box member 6b are tightly joined to each other, in the illustrated example, the first vibration-proof box member 6a extends over a predetermined range (L) from the facing opening 7 of the first vibration-proof box member 6a. Then, the fitting joint 14 is formed by indenting the side plates 10 and the bottom plate 11 inward by the plate thickness. By fitting the front end 15 of the second anti-vibration box member 6b on the opposite opening side from the outside of the fitting joint 14, the both side plates 10 and the bottom plate 11 of the first and second anti-vibration box members 6a and 6b are fitted. Are tightly fitted with each other, so that fluid mortar close to water does not enter the box from this joint. Note that the upper flange portion of both side plates 10 located at the fitting joint 14 of the first vibration isolating box member 6a is cut off. As a result, the lid form fixing flanges 13 on both sides of the first and second vibration isolating box members 6a and 6b are smoothly butted at the butting end 16, and the first and second vibration isolating box members 6a and 6b. Smooth overlapping of the side plates 10 and the bottom plate 11 at the fitting joints 14 is not hindered.
[0013]
The first and second anti-vibration box members 6a and 6b are connected in a watertight manner through the fitting joints 14 in the anti-vibration box 6 with a form function according to the present embodiment. The concrete sleeper 5 is accommodated, and rubber bottom pads 17 for elastically supporting the bottom face, both side faces, and end faces of both ends thereof are interposed. Are supported in the anti-vibration box 6 so as to be able to elastically vibrate up and down, back and forth, and left and right.
[0014]
The concrete ballast construction of the ballast ballast according to the first embodiment will be described with reference to FIGS.
First, prior to injecting the liquid mortar into the ballast ballast 2, with the concrete sleepers 5 laid, the surrounding ballasts are removed, and the space created there is divided into right and left, and The first and second anti-vibration box members 6a and 6b whose opposing sides are open are arranged so as to hold the concrete sleeper 5 inside, and the first and second anti-vibration box members 6a and 6b are connected to each other. It is joined and assembled by watertight through the fitting joint 14.
[0015]
Next, one end of each of the lid frames 18 and 18a shown in FIG. 2 is supported and fixed to the lid frame supporting flange 13 of the vibration isolating box 6, and is closely contacted with the side surface and the end surface of the concrete sleeper 5. At the same time, the other ends of the lid molds 18 and 18a are supported by a vertical partition mold 19 buried in the ballast ballast 2 before being concreted, and fixed with nails or the like. In this way, the entire upper surface (ballast surface) of the ballast ballast 2 can be covered and the gap between the ballast ballast 2 and the concrete sleeper 5 at the top of the vibration isolating box 6 can be sealed. By injecting the liquid mortar into the ballast bed, the ballast bed 2 can be made into a concrete bed.
[0016]
At this time, since the concrete sleepers 5 are sealed in the vibration isolating box 6 with the lid mold frames 18 and 18a protruding upward, the liquid concrete does not enter the vibration isolating box 6. Therefore, when the ballast ballast is made into a concrete ballast, both ends of the concrete sleeper 5 are elastically supported via the vibration isolating pads 17 in the vibration isolating box 6, so that the ballast ballast is made into a concrete ballast. In addition, the problem that the concrete sleeper 5 is inelastically supported can be smoothly avoided.
[0017]
After the liquid concrete has hardened, the lid forms 18, 18a and the vertical partition forms 19 are removed from the concreted roadbed 3. Note that the divided shapes shown in the figures of the lid mold frames 18 and 18a are merely examples, and other divided shapes may be used. Further, as described above, the lid molds 18, 18a are temporarily fixed to the vertical partition mold 19 or the like using nails or the like.
[0018]
FIG. 5 shows another configuration example of the vibration isolating box 6. The anti-vibration box 6 is not divided into first and second anti-vibration box members, but is formed by integrally forming both side plates 10, a bottom plate 11, and both end plates 12; Is provided at the upper end with a lid frame fixing flange 13 which projects horizontally outward. Other configurations are the same as those of the anti-vibration box 6 shown in FIGS.
[0019]
When the concrete sleeper 5 is stored in the vibration isolator 6 in FIG. 5, the concrete sleeper 5 is temporarily lifted slightly so as to float from the ballast roadbed 2, and the surrounding ballast is removed. It is preferable that the concrete sleeper 5 is wrapped around from below the side of the concrete sleeper 5 and the concrete sleeper 5 is stored inside the box.
[0020]
Next, a second embodiment will be described with reference to FIG. The figure shows an example of construction when liquid mortar is used for a track with a cant. As described above, since the liquid mortar has a liquid state almost similar to water, the inclined roadbed surface 20, the vibration isolating box 6, and the concrete sleeper 5 elastically supported by the inclined mortar are inclined at a predetermined angle inward. At the place, even if the area where the liquid mortar is injected is divided by the vertical partitioning formwork 19 as shown in FIG. Difficult to inject smoothly.
[0021]
Therefore, in the second embodiment, the same lid molds 18, 18a as those used in the first embodiment are used. That is, in the second embodiment, since the entire surface of the inclined roadbed surface 20 is water-tightly covered by the lid molds 18 and 18a, even if a high liquid mortar is poured (injected) into the ballast roadbed 2 at a time. The mortar can be uniformly spread on the entire surface of the inclined road surface 20 without being washed away on the inclined surface, and the ballasted floor with the cant can be smoothly and quickly made into concrete.
[0022]
In the second embodiment, the other configuration and operation are the same as those of the first embodiment, including the fact that the anti-vibration box 6 has the flange 13 for fixing the lid formwork.
[0023]
Next, FIGS. 7 and 8 show the third embodiment, and are diagrams showing construction sections in a case where a ballast roadbed on a slope having a downward or upward slope in the train traveling direction is converted into a concrete roadbed.
[0024]
The third embodiment shows an example in which the same construction method as that of the second embodiment shown in FIG. 6 is carried out. As in the second embodiment, the liquid mortar is injected (placed) into the inner ballast bed 2 surrounded by the molds 18, 18 a, 19 at a time using the lid molds 18, 18 a covering the mortar. Here is an example. The configuration, the construction procedure, and the operation of the anti-vibration box 6 in the fifth embodiment are the same as those in the second embodiment.
[0025]
In addition to the first to third embodiments, it is not possible to change the design of the vibration isolating box 6 and the configuration of the molds 18, 18a, and 19 and change the construction procedure according to the situation at the construction site. I do not care.
[0026]
【The invention's effect】
ADVANTAGE OF THE INVENTION According to this invention, when the ballast ballast of a track is inject | poured (poured) with a liquid mortar and made into a concrete track bed by applying the sleeper elastic track device of a simple structure and its installation method, the concrete sleeper support mode Can be prevented from becoming inelastic, and at the time of construction work for converting a ballast ballast into a concrete floor, it is possible to reliably prevent liquid mortar from entering the vibration isolating box, thereby improving work efficiency.
[Brief description of the drawings]
FIG. 1 is an explanatory diagram of a sleeper elastic track device according to a first embodiment.
2A is a plan view of FIG. 1, FIG. 2B is a plan view of a lid mold frame of FIG. 1A, and FIG. 2C is a cross-sectional view taken along a line II in FIG.
FIGS. 3 (a), (b), and (c) are a plan view, a front view, and a side view of a first example (two-split type) of a vibration isolating box with a formwork function.
FIGS. 4A to 4C are a plan view and a side view of first and second anti-vibration box members of the anti-vibration box.
FIGS. 5 (a), (b), and (c) are a plan view, a front view, and a side view of a second example (integrated type) of a vibration isolating box with a formwork function.
FIG. 6 is an explanatory diagram of a sleeper elastic track device according to a second embodiment.
FIG. 7 is an explanatory view of a sleeper elastic track device according to a third embodiment.
FIG. 8 is a plan view of the sleeper elastic track device shown in FIG. 3;
FIG. 9 is an explanatory view of a conventional sleeper elastic track device in a ballast ballast.
[Explanation of symbols]
1 concrete slab 2 ballast ballast (new ballast)
3 Concrete bed 4 Rail 5 Concrete sleeper 6 Vibration-absorbing box 6a First vibration-isolating box member 6b Second vibration-isolating box member 7 Opposite opening 8 Upper opening 10 Side plates 11 Bottom plate 12 End plate 13 Cover frame fixing flange 14 Fitting Joint 15 Front Opening Side Tip 16 Butt End 17 Vibration Isolating Pad 18, 18a Lid Form 19 Vertical Partition Form 20 Slope Road Floor 23 Slope Slope Floor

Claims (2)

A sleeper elastic track device used when a ballast track is converted into a concrete track by injecting a liquid mortar, wherein the vibration isolating box in the sleeper elastic track device has a bottom plate, both side plates, and both end plates. Is open, and around the upper surface of the vibration isolating box, is provided with a formwork function by providing a lid formwork fixing wide surface installed on the upper surface of the ballast ballast at the time of mortar injection. ,
A sleeper elastic track device, wherein a sleeper is accommodated in the vibration isolator via a vibration isolating pad. A first anti-vibration box member and a second anti-vibration box having the bottom plate, the both side plates, and the end plate, respectively, and having an opposing opening and an upper opening formed therein; The sleeper elastic track device according to claim 1, comprising a member, which is constructed by joining and assembling the opposed openings in a watertight manner.

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