KR101161628B1 - Girde railway bridge having rail fastener - Google Patents

Abstract

PURPOSE: A girder railway bridge having a rail fastener is provided to minimize vibration and noise by integrally fixing a rail to a concrete track using rail fasteners having damping pads. CONSTITUTION: A girder railway bridge(100) having a rail fastener comprises a girder(110), concrete tracks(120a,120b), rails(130a,130b), and multiple rail fasteners(134). The girder has a traveling part(112) and sidewalk parts(114). The sidewalk parts are formed at both sides of the traveling part. The concrete tracks are integrally formed on the traveling part of the girder. The rails are placed on the tops of the concrete tracks. The rail fasteners are installed on the concrete tracks and fix the rails to the concrete tracks.

Description

Girder railroad bridge with rail fasteners {GIRDE RAILWAY BRIDGE HAVING RAIL FASTENER}

The present invention relates to the girder railroad bridge installed and replaced in new bridges as well as to the aging of existing railroad bridges and the change of design standards. The present invention relates to a girder railroad bridge with rail fasteners that can be maximized and minimized maintenance to reduce maintenance costs.

Looking at the structure of the conventional conventional ball-free up and down the plate-shaped bridge, a plurality of fasteners at regular intervals along the rail and the bridge length direction by the coil spring by inserting an insulating block into the base plate for the sleeper with a pad under the rail And fasten the bolts to the neck sleepers through the fastener bolt holes, and install the track structure of the vertical mold girder and the middle and lower girder on the cross beams and stringers, It consists of a structure that integrates with the sleepers. As a result of the structural characteristics, the track structure and the bridge are incompletely coupled, so that the load is transmitted to the bridge immediately when the train is running, so that the speed of the train in the bridge section, vibration, deflection and Due to noise generation, the customer service quality and maintenance costs are increased, which implies that the economic efficiency is lowered.

In addition, conventionally, the structure of the guided upper and middle and lower plate-shaped bridge is embedded in the track structure, which is a PC sleeper integrated with the ballless sleeper system and the rail, and lays a certain thickness of donor galle to distribute the train load on the bridge. Under the bridge, the concrete slab is installed to prevent the movement of the sleeper while the train is running and the temperature expansion and contraction action with the resistance to resistance, improve the ride comfort by absorbing the vibration of the train, easy draining of rainwater, weed growth The membrane has the advantage of performing various roles, but induction bridges wear out due to the problem that the sleepers and the statues are damaged by the load and vibration of the train when they are used for a long time. As a result, the image function such as friction force and shock absorption is remarkably degraded to secure the stability of train operation. As well as wool, the ride quality is reduced, and the sleeper and the figure must be changed periodically, so a lot of manpower is consumed, and even if the work is carried out, it is difficult to secure the working time easily due to the operation of the train. Due to the installation of slabs, it is inevitable to expand the cross section of the bridge due to the increase in load, and there is a problem in that the construction cost increases when the bridge is replaced, thereby lacking economic efficiency.

The present invention is formed integrally on the ballless concrete track that the rail fasteners are installed on the upper part of the girder (vertical girder and middle and lower girder), and can minimize the vibration and noise when running the train as well as the stability of the train It is to provide a girder railway bridge with rail fasteners that can maximize the cost and minimize maintenance by reducing durability.

The technical problems to be achieved by the present invention are not limited to the technical problems mentioned above.

Girder railroad bridge with a rail fastener according to the present invention for achieving the above object is mounted on the alternating and pier where the bridge device is settled, the upper surface is a traveling section that the train travels, so that the operator can pass A girder divided into pedestrian sidewalks provided on both sides of the traveling part; A concrete track formed by a concrete track frame provided integrally with the traveling unit; A rail mounted close to the concrete track; And a rail fastener installed on the concrete track and allowing the rail to be fixedly mounted on the concrete track.

The pedestrian sidewalk provides a passageway for workers to maintain for maintenance, and cable troughs and railings may be installed on the sidewalk.

The concrete track is formed by the non-condensed concrete that is supplied and cured into the concrete track frame, the reinforcement is reinforced inside the concrete track frame, the bottom of the concrete track frame may be equipped with stud bolts.

Concrete track frame, a pair of vertical side plates which are spaced apart from each other extending in the longitudinal direction of the running portion; And a pair of vertical finishing plates finishing the open ends and the other ends of the vertical side plates.

In detail, the vertical side plates may extend along the longitudinal direction of the driving part while having the same length as the length of the driving part, or a plurality of vertical side plates may be spaced apart along the longitudinal direction of the running part.

On the upper surface of the concrete track is provided a support plate on which the rail is in close contact with the rail fasteners, and the support plate may be welded and fixed to the concrete track frame such that the upper surface has the same height as the upper surface of the concrete track.

As described above, the girder railway bridge with the rail fastener according to the present invention has the following effects.

First, the girder railroad bridge with a rail fastener according to the present invention, the rail is mounted on the top of the girder (upper girder and middle-lower girder), the ballless concrete track is installed rail fasteners for fixing the rail By providing a structure, the structure is simple and easy to manufacture, there is an advantage that can be easily fixed mounting on the shift or piers removed the old railway bridge aging.

Second, by integrating the concrete track on the upper part of the girder (vertical girder and middle and lower girder), and fixedly mounted to the rail mounted on the concrete track to be integrated using a rail fastener having a dustproof pad, Vibration and noise can be minimized to increase durability and minimize civil complaints caused by noise in downtown areas.

Third, the railway bridge according to the present invention is a non-isolated bridge without a sleeper, it can prevent the trouble of having to replace the sleeper and the bed as in the prior art to reduce the manpower and cost put into maintenance There is an advantage to this.

Fourth, the railway bridge according to the present invention, there is an effect that can reduce the construction cost by the non-installation and small-scale concrete installation to solve the problem that the disadvantage of the conventional induction bridge is increased load due to the gravel and concrete slab .

Figure 1a and 1b is a perspective view showing a rail road bridge with a rail fastener according to the invention,
FIG. 2 is a cross sectional view along line AA of FIG. 2, and
3 is a cross-sectional view taken along line BB of FIG. 2.

Hereinafter, with reference to the accompanying drawings will be described in detail a preferred embodiment of the present invention. Like elements in the figures are denoted by the same reference numerals wherever possible. In addition, detailed descriptions of well-known functions and configurations that may unnecessarily obscure the subject matter of the present invention will be omitted.

1A and 1B are perspective views showing a railway road bridge with rail fasteners according to the present invention. The railway bridge 100 according to the present invention includes a girder 110 and an upper surface of the girder 110. The concrete tracks 120a and 120b that are placed to be integrated, the rails 130a and 130b that are mounted on the concrete tracks 120a and 120b, and the concrete tracks 120a and 120b are installed to connect the rails 130a and 130b. And a plurality of rail fasteners 134 for fixing.

First, the girder 110 is equipped with one end and the other end lower portion in a conventional stapling device (not shown) settled on an alternating or pier (not shown). Here, the girder 110 illustrated in FIG. 1A represents a conventional "vertical girder", and the girder 110 illustrated in FIG. 1B represents a conventional "mid-down girder".

The upper part of the girder 110 is divided into a traveling part 112 on which a train (not shown) runs, and a bridge sidewalk part 114 provided by both sides of the driving part 112 and carried by an operator. The bridge sidewalk 114 is formed with a cable trough 118 that protects the railing 116 and a communication cable (not shown), as shown in FIGS. 1A and 1B. Although the cable trough 118 is not shown in FIG. 1B, it will be appreciated by one skilled in the art. And the girder 110 shown in Figure 1a and 1b is made of steel (鋼材).

Concrete tracks 120a and 120b are formed in the running part 112 of the girder 110 formed as described above, and rails 130a and 130b are installed in the concrete tracks 120a and 120b.

The concrete track 110 is formed on the upper surface of the girder 110, that is, the running portion 112 of the girder 110, having a predetermined height and a predetermined width. A pair of concrete tracks 110 is formed to extend along the longitudinal direction of the running portion 112 as shown in Figure 1a, or a pair along the longitudinal direction of the running portion 112 as shown in Figure 1b It is formed while maintaining a predetermined interval.

In order to form such concrete tracks 120a and 120b on the upper part of the girder 110, that is, on the running part 112, the concrete track frame 122 is integrally provided on the running part 112 of the girder 110. do. The concrete track frame 122 is spaced apart from each other and a pair of vertical side plates 124 extending in the longitudinal direction of the running portion 112, and a pair of finishing one end and the other end of the pair of vertical side plates 124 Vertical closure plate 126. Here, the vertical side plate 124 shown in FIG. 1A extends along the longitudinal direction of the driving unit 112 to have the same length as the length of the driving unit 112, and the vertical side plate 124 shown in FIG. 1B travels. A plurality of pieces are spaced apart along the longitudinal direction of the traveling part 112 while having a length shorter than the length of the part 11, that is, a predetermined length. This vertical side plate 124 and the vertical finishing plate 126 are welded on the top surface of the girder 110.

That is, the concrete tracks 120a and 120b are integrally formed in the girder 110 by supplying and curing non-condensed concrete to the concrete track frame 122, and the reinforcement 128a is formed inside the concrete track frame 122. The reinforcement, and the bottom of the concrete track frame 122 is equipped with a stud bolt (128b; stud bolt). Reinforcing bars 128a and stud bolts 128b prevent cracking of the concrete tracks 120a and 120b due to impact and temperature during train driving.

Meanwhile, the rails 130a and 130b are fixed on the upper surfaces of the cured concrete tracks 120a and 120b, and horizontal support plates 132 are disposed on the upper surfaces of the concrete tracks 120a and 120b. At this time, both sides of the support plate 132 is welded to the adjacent vertical side plate 124. And the support plate 132 is welded to the vertical side plate 124 so that the upper surface has the same height as the upper surface of the concrete track (120a, 120b). Thus, by making the height of the upper surface of the support plate 132 the same as the height of the upper surfaces of the concrete tracks 120a and 120b, the rails 130a and 130b are brought into close contact with the concrete tracks 120a and 120b to suppress vibration and noise generation. . On the other hand, the support plate 132 is disposed while maintaining the same distance along the concrete tracks (120a, 120b) when the concrete tracks (120a, 120b) extend along the longitudinal direction of the running portion 112, as shown in Figure 1a, And when the concrete track (120a, 120b) is divided as shown in Figure 1b is disposed to cover the upper portion of the concrete track (120a, 120b).

On the other hand, the rails 103a and 130b mounted in close contact with the concrete tracks 120a and 120b are fixedly mounted to the concrete tracks 120a and 120b by the ordinary rail fasteners 134.

Rail fasteners 134 are installed on each support plate 132. As the rail fastener 134 can be seen by anyone, two opposing clip hooks 136 are formed, and the base plate 138 and the support plate 132 on which the rails 130a and 130b are placed between the clip hooks 136. It is made of a plate housing 140 disposed on the upper portion of the base plate 138 accommodates and supports the inner cavity (cavity). The clip 142 is fitted with a clip 142 for crimping the rails 130a and 130b. The plate housing 140 has a lower portion embedded in the concrete tracks 120a and 120b, and an upper portion of the plate housing 140 penetrating the support plate 132 and the plate housing 140, and a plate bolt 140 penetrating the plate housing 140. It is fixed by a fixing nut 146 fastened to the foundation bolt 144.

In this case, a dustproof pad 148 is disposed below the base plate 138, and an insulating block 150 is disposed between the rails 130a and 130b and the clip 142. The anti-vibration pad 148 prevents vibrations from being transmitted to the concrete tracks 120a and 120b and the girder 110 when the train runs, and the insulating block 150 prevents leakage of current through the rails 130a and 130b.

The railway bridge 100 according to the present invention formed as described above is to be installed and replaced in a new bridge as well as to change the aging and design standards, the railway bridge 100 according to the present invention is a nighttime when the train is not running It is installed using. First, the old railway bridge is removed from the bridge or bridge using a crane, etc., and then the railroad bridge 100 according to the present invention is placed on the bridge device (not shown) installed on the bridge or bridge where the existing railway bridge is removed. Fixed mounting. Then, the rails 130a and 130b are corrected in accordance with the track, and the pedestrian footing section 114 is installed.

As described above, the railway bridge 100 according to the present invention has a simple structure and is easy to manufacture, and can be easily fixed to a bridge or a pier in which an old railway bridge is removed.

In addition, by closely fixing the rails 130a and 130b to the concrete tracks 120a and 120b, vibrations and noises generated while traveling on the train may be minimized.

In addition, the girder-type railway bridge 100 according to the present invention by eliminating the sleeper and non-imaging, it is possible to prevent the trouble of having to replace the sleeper and the bed as in the past, manpower and cost to be put into maintenance Can reduce the cost.

Railroad bridge 100 as described above is not limited to the configuration and operation of the embodiments described above. The above embodiments may be configured such that various modifications may be made by selectively combining all or part of the embodiments.

100: girder railroad bridge 110: girder
112: driving unit 114: bridge sidewalk
116: railing 118: cable trough
120a. 120b: concrete track 122: concrete track frame
124 vertical side plate 126 vertical closing plate
130a, 130b: rail 132: support plate
134: rail fasteners

Claims (6)

A girder mounted on shifts and piers on which a stabilization device is settled, and an upper surface of which is divided into a traveling part on which the train travels, and a pedestrian sidewalk part provided on both sides of the traveling part for the operator to pass through;
A concrete track formed by a concrete track frame provided integrally with the running unit;
A rail mounted in close contact with the concrete track; And
Girder railroad bridge with a rail fastener comprising a; rail fasteners installed on the concrete track and fixed to the rail to the concrete track.
The method according to claim 1,
The bridge reporting section provides a passageway for traffic to the worker for maintenance,
Girder railroad bridge with the rail fastener is installed on the bridge sidewalk is installed cable troughs and railings.
The method according to claim 1,
The concrete track is formed by the non-condensed concrete that is supplied and cured into the concrete track frame,
Reinforcement is reinforced inside the concrete track frame, the bottom of the concrete track frame girder railway bridge is attached to the rail fastener is mounted stud bolt.
The method according to claim 1,
The concrete track frame,
A pair of vertical side plates spaced apart from each other and extending in the longitudinal direction of the driving part; And
Girder railroad bridge is attached to the rail fasteners including a; and a pair of vertical closing plate for closing the open end and the other end of the vertical side plate.
The method of claim 4,
The vertical side plate,
Girder with rail fasteners having a length equal to the length of the running part and extending along the length direction of the running part, or having a length shorter than the length of the running part and spaced apart from each other along the length direction of the running part. Railway bridge.

The method according to claim 1,
On the upper surface of the concrete track is provided a support plate that the rail is in close contact with the rail fasteners are installed,
The support plate is a girder railroad bridge is attached to the rail fastener is fixed to the concrete track frame so that the upper surface has the same height as the upper surface of the concrete track.

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