KR102236370B1 - Sleeper for ballastless open deck railway bridge - Google Patents

Abstract

The present invention relates to a sleeper for a ballastless open railway bridge, which is coupled to an upper side of a pair of girders and for supporting a rail, comprising: a first section provided in the middle portion thereof, wherein a panel is mounted at an upper side; a pair of second sections provided in the shape of extending at opposite side ends of the first section, wherein a rail is mounted at an upper side, and a lower side is supported by a girder; and a pair of third sections provided in the shape of extending at an external side of each of the second sections, and exposed to the external side of the rail mounted in the second sections. Moreover, the sleeper consists of at least one selected from a PC sleeper of which the shape is freely manufactured, a PC sleeper, an urethane sleeper, a plastic sleeper, and a rubber sleeper.

Description

Sleeper FOR BALLASTLESS OPEN DECK RAILWAY BRIDGE}

The present invention relates to sleepers for martial arts railway bridges.

More specifically, by configuring the sleeper on which the rail is installed by being supported on the upper side of the girder with one or more selected from among PC sleepers, RC sleepers, urethane sleepers, plastic sleepers, and rubber sleepers, which are free to shape, the conventionally installed wooden sleepers. Due to the material characteristics of the 枕木), it solves the problem of being vulnerable to corruption, damage, and fire, and the first section provided in the middle and the second section in which the rail is seated are formed in a form extending at both ends of the first section. By forming a hollow portion in the third section, it is possible to significantly reduce material, and it is made up of a single structure, and it relates to a sleeper for a railroad bridge that can be easily fastened with a girder and a rail.

The ballless bridge is generally designed as a steel bridge due to the structural characteristics of a plate girder bridge or a truss bridge, which is called a plate girder bridge, or a truss bridge.

Such a non-going bridge is composed of a girder for supporting the track structure, a sleeper installed on the upper side of the girder, and a rail installed on the upper side of the sleeper for the passage of the train.

Among them, a conventional sleeper is made of a wooden sleeper, and such a wooden sleeper has a problem in that it consumes a lot of continuous maintenance costs due to simple replacement work due to decay and frequent damage due to material characteristics.

Further, there are frequent failures due to fire and track insulation problems, and there is a problem with a relatively short endurance life.

In addition, looking at the conventional track structure, the lower end of the hook bolt penetrating the neck sleeper is made to restrain the girder. By this restraint device, the part where the sleeper and the girder are connected is restrained to adversely affect the behavior of the bridge and train operation. Furthermore, there is a problem in that the train running load is directly transmitted to the upper part of the track structure, so that noise and vibration are greatly generated in the bridge section.

Unexamined Patent Publication No. 10-2004-0062220 (July 7, 2004) Registered Patent Publication No. 10-2155019 (2020.09.07.)

The present invention was conceived to solve the above problems, and the sleeper on which the rail is installed by being supported on the upper side of the girder is composed of one or more selected from among PC sleepers, RC sleepers, urethane sleepers, plastic sleepers, and rubber sleepers, which are free to make shape. By doing so, it is to provide a sleeper for a railroad bridge that can solve the problem of being vulnerable to the risk of corruption, damage and fire due to the material characteristics of the conventionally installed wooden sleeper.

In addition, another problem to be solved in the present invention is that the first section provided in the middle of the sleeper and the third section, except for the second section where the rail is seated, are formed in a form extending at both ends of the first section. By doing so, it is to provide a sleeper for a non-going railway bridge that can significantly reduce materials.

In addition, another problem to be solved in the present invention is to provide convenience of installation by allowing the girder connection part connecting the sleeper and the girder and the rail fastening part connecting the sleeper and the rail to be easily fastened to the sleeper consisting of a single structure. It is to provide sleepers for non-going railway bridges that can be done.

In addition, another problem to be solved in the present invention is that an elastic member (low friction pad) is provided on the surface where the girder and the sleeper come into contact, so that a number of sleepers flexibly absorb the rail pushing phenomenon (the phenomenon that the rail moves vertically). By doing so, it prevents adverse effects on the behavior of the bridge and train operation due to the constraint conditions of the conventional sleeper and the girder fixing device, and as an elastic member of various heights is selectively applied between the girder and the sleeper, the girder and the sleeper It is to provide sleepers for non-going railway bridges that can easily adjust the height between them.

In order to solve the above problems, the sleeper for a non-going railway bridge according to the present invention is coupled to the upper side of a pair of girders, and is provided in the middle of the sleeper for a non-going railway bridge for supporting the rail. The first section in which the footboard is seated; A second section extended on both ends of the first section and provided as a pair, and the upper side is seated on the rail, and the lower side is supported by the girder; And a third section that is formed in a form extending outward of each of the pair of second sections and is provided as a pair, and is exposed to the outside of the rail seated in the second section, wherein the sleepers are PC sleepers, RC sleepers. , Urethane sleepers, plastic sleepers, rubber sleepers, by providing a sleeper for railroad bridges, characterized in that consisting of one or more selected from, to solve the technical problem.

The present invention consists of one or more selected from PC sleepers, RC sleepers, urethane sleepers, plastic sleepers, and rubber sleepers as the sleepers supported on the upper side of the girder to install the rails, due to the material characteristics of the conventionally installed wooden sleepers. It has a remarkable effect that can solve the problems that are vulnerable to the risk of corruption, damage and fire.

In addition, the present invention has a first section provided in the middle of a sleeper and a third section that extends to both ends of the first section and forms a hollow section in the third section except for the second section on which the rail is seated, thereby significantly reducing materials. It has a remarkable effect that it can do.

In addition, the present invention has a remarkable effect that can provide convenience of installation by allowing the girder connection part connecting the sleeper and the girder and the rail fastening part connecting the sleeper and the rail to be easily fastened to the sleeper consisting of a single structure. I'm doing it.

In addition, in the present invention, an elastic member (low friction pad) is provided on the surface where the girder and the sleeper come into contact, so that a plurality of sleepers flexibly absorb the rail sliding phenomenon (the phenomenon that the rail moves vertically), so that the conventional sleepers and the girders It prevents adverse effects on the behavior of the bridge and train operation by the restraint condition by the fixing device, and as an elastic member of various heights is selectively applied between the girder and the sleeper, it is easy to adjust the height between the girder and the sleeper. It has a remarkable effect that it can do.

1 is a perspective view showing an example in which sleepers for martial arts railway bridges according to the present invention are installed.
2 is a perspective view of a sleeper for a martial-style railway bridge according to the present invention.
3 is a front view of a sleeper for a martial-style railway bridge according to the present invention.
4 is a front cross-sectional view of a sleeper for a martial-style railway bridge according to the present invention.
5 is a front cross-sectional view showing an example in which a beam is installed in a sleeper for a martial-style railway bridge according to the present invention.
6 is a perspective view showing an example in which a beam insertion groove is formed in a first section in a sleeper for a martial-style railway bridge according to the present invention.
7 is a perspective view from the bottom side showing the beams from the sleepers for martial arts railway bridges according to the present invention.
8 is a side view showing an example in which the beams are connected in the sleepers for a martial-style railway bridge according to the present invention.
9 is a side cross-sectional view showing an example in which a beam is installed in a sleeper for a martial-style railway bridge according to the present invention.
10 is a partial perspective view showing an example in which a guard rail is provided in the sleepers for a martial-style railway bridge according to the present invention.
11 is a front cross-sectional view showing an example in which a guard rail is installed in a sleeper for a non-going railway bridge according to the present invention.
12 is a front cross-sectional view showing an example in which a part of a girder is inserted into a girder insertion groove in a sleeper for a non-going railway bridge according to the present invention.
13 is a front cross-sectional view showing an example in which a side elastic member is provided in the sleeper for a non-going railway bridge according to the present invention.
14 is a side cross-sectional view showing another embodiment of a girder insertion groove in a sleeper for a non-going railway bridge according to the present invention.
15 is a side cross-sectional view showing another embodiment of a girder insertion groove in a sleeper for a roadless railway bridge according to the present invention.
16 is a front cross-sectional view showing an example in which a rail is connected to a sleeper in a sleeper for a martial-style railway bridge according to the present invention.
17 is a side cross-sectional view showing an example in which a girder is connected to a sleeper in a sleeper for a martial-style railway bridge according to the present invention.
18 is a perspective view showing an example in which a sleeper and a girder are connected in a sleeper for a martial-style railway bridge according to the present invention.
19 is a front cross-sectional view showing an example in which the sleepers and the girders are connected in the sleepers for a martial-style railway bridge according to the present invention.
20 is a front cross-sectional view showing an example in which a hollow part is formed in the sleepers for a martial-style railway bridge according to the present invention.

Advantages and features of the embodiments of the present invention, and a method of achieving them will be apparent with reference to the embodiments described later in detail together with the accompanying drawings. However, the present invention is not limited to the embodiments disclosed below, but may be implemented in a variety of different forms, and only these embodiments make the disclosure of the present invention complete, and are common knowledge in the technical field to which the present invention pertains. It is provided to completely inform the scope of the invention to those who have, and the invention is only defined by the scope of the claims. The same reference numerals refer to the same elements throughout the specification.

In describing the embodiments of the present invention, if it is determined that a detailed description of a known function or configuration may unnecessarily obscure the subject matter of the present invention, a detailed description thereof will be omitted. In addition, terms or words used in the present specification and claims are terms defined in consideration of functions in the embodiments of the present invention, and should not be construed as being limited to a conventional or dictionary meaning, and the inventor In order to explain in the best way, based on the principle that the concept of a term can be appropriately defined, it should be interpreted as a meaning and concept consistent with the technical idea of the present invention.

Therefore, the embodiments described in the present specification and the configurations shown in the drawings are only the most preferred embodiments of the present invention, and do not represent all the technical spirit of the present invention, and various equivalents that can replace them at the time of the present application It should be understood that there may be variations and variations.

Hereinafter, prior to description with reference to the drawings, matters that are not necessary to reveal the gist of the present invention, that is, known configurations that can be obviously added by those skilled in the art are not shown or described in detail. Make it clear that it was not.

First, before describing various embodiments of the present invention in detail with reference to the accompanying drawings, the directions of components described in the following detailed description or shown in the drawings (for example, "before", "back", "left" , "Right", "top", "bottom", "top", "bottom", "transverse", "longitudinal", "front", "back", "one side", "other side", "inside" and " Terms such as "outside") do not simply indicate or mean that they should have a specific direction, and description of these directions is made to facilitate explanation between configurations with reference to the accompanying drawings.

In order to solve the problem of being vulnerable to corruption, damage, and fire due to the material characteristics of conventionally installed wooden sleepers, the sleeper for a railroad bridge according to the present invention is composed of a material such as plastic, not wood, It is coupled to be orthogonal to the upper side of the pair of girders 10, and serves to support the rail 20.

At this time, it has morphological characteristics to facilitate connection with the girder 10, the rail 20 and the beam plate 111 as well as the material, and the binding force is strengthened by these morphological characteristics to minimize the burden of the girder 10 And, it is possible to improve the dynamic behavior performance, by enabling the long rail to be made, as well as rapid replacement is possible, it relates to a sleeper 30 capable of reducing noise and vibration.

Hereinafter, with reference to the accompanying drawings will be described in detail for the sleepers for a non-going railway bridge according to the present invention.

1 is a perspective view showing an example in which sleepers for a non-dosang railroad bridge according to the present invention are installed, FIG. 2 is a perspective view of a sleeper for a non-dosang railroad bridge according to the present invention, and FIG. 3 is for a non-dosang railroad bridge according to the present invention It is a front view of the sleeper, Figure 4 is a front-side cross-sectional view of the sleeper for a non-dosang railroad bridge according to the present invention, Figure 5 is a front-side cross-sectional view showing an example in which a beam is installed in the sleeper for a non-road bridge according to the present invention.

The sleeper for a railroad bridge according to the present invention replaces the conventionally installed wooden sleeper, and is made of a material such as plastic, so that it is resistant to impact, is not rotted or deformed by moisture, and is temperature-resistant. To minimize contraction and expansion due to changes, the first section 100, the second section 200, and the third section 300 are included.

Here, the first section 100, the second section 200, and the third section 300 are configured to divide the structure to explain the morphological characteristics of the sleeper 30, and the sleeper 30 is an integral type. It should be noted that it is made of.

These sleepers 30 are coupled to the upper side of the girder 10, as shown in FIG. 1, and the rail 20 and the beam plate 111 are supported on the upper side.

At this time, the sleeper 30 is constructed by replacing a conventionally installed wooden sleeper, and may be made of one or more selected from PC sleepers, RC sleepers, urethane sleepers, plastic sleepers, and rubber sleepers.

Preferably, it may be made of a plastic sleeper, and thus, it is possible to replace a wooden sleeper having a relatively short replacement cycle due to a short lifespan, thereby reducing the replacement cost and maintenance cost.

First, in the present specification, the girder (10) is provided to support the track structure of the bridge, and preferably, a plurality of sleepers 30 are supported on the upper side.

As shown in FIG. 1, the girder 10 has an'I' shape in cross section.

That is, a plurality of sleepers for martial arts railroad bridges according to the present invention are installed in a form orthogonal to the upper side of a pair of girders 10 formed in an'I' shape.

In addition, in the present specification, the rail 20 is supported on the upper side of the sleeper 30 to allow the train to run, and the rail fastening part 221 is a sleeper ( 30) is coupled to the upper side.

At this time, the rail fastening part 221 is installed to bind the lower side of the rail 20 of the'I' shape, and a conventional rail fastening part can be utilized, and it should be noted that the structural features are not particularly limited in this specification.

That is, the configuration of the rail 20 and the rail fastening portion 221 for connecting the rail 20 to the sleeper 30 is not particularly limited, and may be of any configuration.

Preferably, the rail fastening part 221 is made in a pair to fix one rail 20 to the sleeper 30, as shown in the accompanying drawings, and the width of the hump is not wide. It can be made of ready-made products. Accordingly, the width of the beam plate 111 positioned between the pair of rails 20 can be expanded to be adjacent to the rail fastening portion 221, thereby securing a wide walking space for the worker.

The first section 100 is provided in the middle of the sleeper 30, and the beam 111 is mounted on the upper side.

The first section 100 includes a beam board shouldering groove 110 for inserting the beam plate 111 at the top and a beam plate connecting groove 120 for coupling the beam plate 111.

When described with reference to FIG. 2, the beam shoulder shoulder 110 is made in a form recessed inwardly on each of the upper front side and the rear side of the sleeper 30, and the shoulder attachment protrusion 111a of the beam plate 111 to be described later is It provides a place to rest.

When the shoulder shoulder protrusion 111a, which will be described later, is fitted, the shoulder pad shoulder 110 facilitates the coupling by customizing the sleeper 30 and the paddle 111, thereby facilitating the coupling. Make it easy to connect (30).

At this time, as shown in Figures 2 and 5, the beam shoulder shoulder groove 110 is formed on each of the front side and the rear side of the sleeper 30 to form a pair, but the left and right side widths of the beam plate 111 It may be the same as or larger than the left and right widths.

Preferably, the left and right widths of the shoulder protrusion 111a fitted in the beam shoulder shoulder 110 may be equal to or smaller than the left and right widths of the space in which the beam shoulder shoulder 110 is formed.

Thus, when the shoulder protrusion 111a is inserted into each of the pair of beam shoulder shoulder grooves 110 formed in one sleeper 30, the beam plate 111 and the sleeper 30 are mutually formed in the longitudinal direction of the long axis of the beam plate 111. Limiting the behavior, and further, the left and right sides of the space in which the beam shoulder shoulder 110 is formed are in close contact with or adjacent to the left and right sides of the shoulder attachment protrusion 111a, and are coupled to the upper side of the sleeper 30 ( 111) and the left and right behavior of sleepers 30 can also be restricted.

When the beam plate connection groove 120 is described with reference to FIGS. 2 and 4, the beam plate connection groove 120 is formed in a pair spaced apart from each other on the upper side of the first section 100, and is opened upward and together with the beam plate 111 seated on the upper side. It is fastened by the sleeper connection bolt (121).

The beam plate connection groove 120 may be configured to be fastened by screw thread coupling with the sleeper connection bolt 121, and is formed at a position corresponding to the beam plate through hole 111b of the beam plate 111 to be described later, so that the sleeper connection bolt ( The sleeper 30 and the board 111 are combined by 121.

Here, the sleeper connection bolt 121 may be made of a metal material that is exposed to the upper side of the beam plate 111 so as to minimize interference with a worker walking on the beam plate 111, and depending on the design conditions, yellow , Fluorescent colors, etc., may be partially painted to facilitate identification with the naked eye.

According to the design conditions, the beam plate connection groove 120 is formed in an open shape above the first section 100 of the sleeper 30, but before being buried in the inner space of the first section 100 (not shown in the drawing) It can be provided.

This pre-filling is provided in the inner space of the sleeper 30 and is fastened to the sleeper connection bolt 121, and performs a function of preventing separation from each other even if vibration occurs in the sleeper 30 in a state where the fastening is completed.

At this time, it should be noted that prior to the reclamation, a conventional configuration can be utilized, and structural features are not particularly limited in the present specification. However, in manufacturing the sleeper 30, the fastening force between the sleeper 30 and the sleeper connection bolt 121 is configured before embedding in a pair of beam plate connection grooves 120 formed on both sides of the first section 100 Due to the reinforcement, it is possible to improve the bonding force with the board 111 to be described later.

6 is a perspective view showing an example in which a beam insertion groove is formed in a first section in a sleeper for a martial-style railway bridge according to the present invention.

Depending on the design conditions, the first section 100 may be described with reference to FIG. 6, and may include a beam plate insertion groove 130 in a form in which the upper end of the first section 100 is recessed downward. .

Preferably, a pair of beam plate shoulder attachment grooves 110 are formed in a recessed form extending downwardly to the front side and the rear side of the beam plate insertion groove 130, respectively, and the beam plate insertion groove 130 and a pair of shoulder plates The cross section of the chak groove 110 may be formed in a'∩' shape with an open lower side.

The beam plate insertion groove 130 provides a space into which the beam plate 111 is inserted, and the upper and lower heights may be equal to or larger than the upper and lower thicknesses of the beam plate 400.

In addition, the left and right widths of the beam board insertion groove 130 may be the same as the left and right widths of the beam board insertion groove 110.

Accordingly, the beam plate 111 is fitted into the beam plate insertion groove 130, and the shoulder protrusion 111a is fitted into the beam plate shoulder attachment groove 110, thereby minimizing the flow and enhancing the coupling force.

7 is a bottom perspective view showing a beam board from a sleeper for a non-dosang railway bridge according to the present invention, and FIG. 8 is a side view showing an example in which the beam is connected to a sleeper for a non-dosang railway bridge according to the present invention.

Here, the board 111 is seated and coupled to the upper middle portion of the sleeper 30, and includes a shoulder protrusion 111a and a board through hole 111b.

These beams 111 provide a space for a worker to walk on the bridge, and maximize the width of the left and right sides so as to be adjacent to the rail fastening portion 221 for binding the rails 20 located on both sides. Configuration so that the work space can be expanded.

The shoulder protrusion 111a is formed to protrude to the lower side of the beam plate 111, is provided in a pair to be spaced apart from each other, and is fitted into the beam plate shoulder attachment groove 110 formed on each of the upper front side and the rear side of the sleeper 30 Lose.

It is preferable that a plurality of such a pair of shoulder protrusions 111a are provided in the long axis length direction of the beam plate 111 (the long axis direction in which the rail is installed), and thus, a plurality of sleepers 30 in one beam plate 111 Can be made to be combined.

For example, when a pair of shoulder protrusions 111a are formed on the lower side of one board 111, 10 sleepers 30 may be coupled to one board 111.

According to the design condition, referring to FIG. 7, a rib 111c connecting between the pair of shoulder protrusions 111a and the other pair of shoulder protrusions 111a may be further provided.

These ribs (111c) are made in a form symmetrical to both sides with respect to the longitudinal central axis of the long axis of the beam plate 111, one shoulder protrusion (111a) front side and the other shoulder protrusion (111a) is in close contact with the rear side It performs a supporting function.

Accordingly, a pair of shoulder protrusions 111a reduce the property that opens outward by the ribs 111c so that they are accurately fitted into the beam shoulder shoulders 110, so that a firm connection with the sleepers 30 is maintained.

At this time, the rib (111c) is provided as a pair between a pair of shoulder protrusions (111a) and the other pair of shoulder protrusions (111a), but depending on the design conditions, the structural shape or scale of the bridge, etc. One or more may be formed in consideration of.

Further, the rib 111c may be configured to be bonded by bonding or welding so that it can be directly bonded to the beam plate 111 in the field.

The beam through hole (111b) is to be coupled to the sleeper (30) by the beam plate (111) by the sleeper connection bolt (121), formed in a shape corresponding to the beam plate connection groove (120), respectively formed on both sides of the beam plate (111) It is made in pairs.

At this time, the beam through hole 111b may be formed to form a plurality of pairs in the longitudinal direction of the long axis of the beam plate 111 so that a plurality of sleepers 30 can be coupled to one beam plate 111.

For example, when ten sleepers 30 are coupled to one beam plate 111, the beam plate through holes 111b are formed on both sides of the beam plate 111 to form a total of 20 in the longitudinal direction of the long axis, It may be made to be combined with two boreholes (111b) in one sleeper (30).

According to the design conditions, the beam plate 111 is made in the form of a plate having a long length in the long axis length direction of the rail 20, as shown in FIG. 7, but one end is a first extension part 111d based on the long axis length direction. ) Is provided, and the other end is provided with a second extension 111f so that a plurality of beams 111 may be connected to each other by an expansion joint.

The first extension part 111d is formed in a form in which a portion of the upper end protrudes from the front end of the beam plate 111, and a seating protrusion 111e protruding downward is provided.

The first extension 111d is provided to overlap with the second extension 111f to be described later.

The second extension 111f has a lower portion protruding from the rear end of the beam plate 111, and has a long oval-shaped seating groove 111g penetrating upward and downward.

The second extension 111f is provided to overlap the first extension 111d.

Referring to FIG. 8 to describe a configuration in which the beams 111 can be connected to each other by an expansion joint, the first extension 111d formed on one beam 111 is formed on the other beam 111 It is located on the upper side of the second extension (111f), the seating protrusion (111e) formed in the first extension (111d) is fitted into the seating groove (111g) formed in the second extension (111f).

At this time, since the mounting groove (111g) is formed in a long elliptical shape formed long in the front side and the rear side so as to correspond to the length direction of the long axis of the beam plate 111, the pair of beam plates 111 can expand and contract with each other, so that the girder (10) ) And the rail 20 can flexibly cope with the expansion and contraction.

9 is a side cross-sectional view showing an example in which a beam is installed in a sleeper for a martial-style railway bridge according to the present invention.

According to this configuration, the sleeper 30 according to the present invention, as shown in Figure 9, the shoulder protrusion 111a of the beam plate 111 to be seated on the top is formed on each of the front and rear side beam shoulder shoulder groove 110 By being fitted, it is possible to prevent bending deformation of the beam plate 111 itself, and to prevent movement between a plurality of sleepers 30.

Further, the beam plate connection groove 120 formed in the sleeper 30 and the beam plate through hole 111b formed in the beam plate 111 are fastened by the sleeper connection bolt 121, so that a strong coupling can be made to each other.

FIG. 10 is a partial perspective view showing an example in which a guardrail is provided in the sleepers for a non-going railway bridge according to the present invention, and FIG. 11 is a front cross-sectional view showing an example in which a guard rail is installed in the sleepers for a non-going railway bridge according to the present invention. to be.

Depending on the design conditions, guard rails 122 in the shape of an'L' may be provided on both sides of the upper end of the beam plate 111.

These guard rails 122 are installed in pairs so as to be spaced apart from each other along the long axis length direction of the beam plate 111, and are formed in a'L' cross-sectional shape, but are upwardly described with reference to FIGS. 10 and 11. It is installed so that the protruding part is located on the outside of the beam board 111.

Accordingly, when the train derails from the rail 20, the derailed train is guided toward the main line to prevent an accident from falling under the bridge, and to suppress accident damage as much as possible.

At this time, the guard rail 122 is formed with a guard rail through hole 122a penetrating upward and downward on the bottom surface, and as shown in FIG. 10, the sleeper connection bolt 121 includes the beam plate connection groove 120 and the beam plate. By being fastened to the through hole 111b and the guard rail through hole 122a, the beam plate 111 and the guard rail 122 can be firmly coupled to the sleeper 30 by the sleeper connection bolt 121.

Preferably, as shown in FIGS. 10 and 11, a separate washer may be configured to be fastened together between the guard rail 122 and the sleeper connection bolt 121.

According to this configuration, as shown in the accompanying drawings, the sleeper for a non-going railway bridge according to the present invention is characterized in that it is possible to become a long rail by connecting a plurality of sleepers 30 to one beam plate 111. .

For example, if you want to replace the track structure of 20 m, by connecting 8 to 10 sleepers 30 to the beam plate 111 having a long axis length of 5 m, and then replacing it with one structure, it is easy to replace it only four times. Quick replacement is possible, and a plurality of sleepers 30 are made of one structure, thereby enabling rapid replacement and long rail.

12 is a front cross-sectional view showing an example in which a part of a girder is inserted into a girder insertion groove in a sleeper for a non-going railway bridge according to the present invention.

The second section 200 is provided in a pair formed by extending left and right at both ends of the first section 100, and the rail 20 is seated on the upper side and the lower side is supported by the girder 10. The sleeper 30 is firmly connected between the girder 10 and the rail 20, and includes a girder insertion groove 210, a rail connection groove 220, and a girder connection groove 230.

When described with reference to FIG. 12, the girder insertion groove 210 is formed in each of the pair of second sections 200, and is formed in a shape that is dug upward at the bottom of the second section 200, and has a'I' shape. A portion of the upper side of the girder 10 is inserted into the space where the girder insertion groove 210 is formed.

At this time, by providing an elastic member 211 in contact with the upper surface of the girder 10 on the bottom surface of the girder insertion groove 210, the upper surface of the girder 10 and the girder insertion groove inserted into the girder insertion groove 210 The elastic member 211 is provided between the bottom surfaces of the 210.

Further, the elastic member 211 may be provided in a fixed form by being adhered to the bottom surface of the girder insertion groove 210.

Here, the elastic member 211 is for reducing the frictional stress between the girder 10 and the sleeper 30, and may be made of a material having elasticity such as PVC, PE, silicone rubber, Teflon, or PUT (polyurethane). .

Further, as the elastic member 211 having various heights is applied between the girder 10 and the sleeper 30, it is possible to easily adjust the height between the girder 10 and the sleeper 30.

13 is a front cross-sectional view showing an example in which a side elastic member is provided in the sleeper for a non-going railway bridge according to the present invention.

Depending on the design conditions, side elastic members 212 may be provided on the left and right sides of the space in which the girder insertion groove 210 is formed.

The side elastic member 212 is made of the same material as the elastic member 211, and may be provided in a fixed form by being adhered to the left and right sides of the girder insertion groove 210, respectively.

Thus, when a portion of the upper side of the girder 10 formed in the'I' shape is inserted into the girder insertion groove 210, the frictional stress in the contact area with the sleeper 30 is reduced, and further, a portion of the upper side of the girder 10 The side elastic members 212 are elastically supported to the left and right, thereby reducing the frictional stress between the girder 10 and the sleeper 30, and reducing shocks and vibrations transmitted to each other.

14 is a side cross-sectional view showing another embodiment of a girder insertion groove in a sleeper for a non-going railway bridge according to the present invention.

According to the design conditions, the girder insertion groove 210 will be described with reference to FIG. 14, and a flow preventing groove 211a formed in a shape dug upward in the upper side of the space in which the girder insertion groove 210 is formed is formed. Can be.

The flow preventing groove 211a provides a space into which a part of the elastic member 211 is inserted.

At this time, the vertical axis height of the flow preventing groove 211a is made smaller than the vertical axis height of the upper limb elastic member 211, and the outer circumferential length of the vertical axis cross section of the flow preventing groove 211a is outside the vertical axis cross section of the elastic member 211 It may be equal to or larger than the peripheral length.

Thus, as shown in Fig. 14, a portion of the upper side of the elastic member 211 is inserted into the flow prevention groove 211a to limit the movement of the front, rear, left, and rear sides, and the lower side is outside the flow prevention groove 211a, That is, it is exposed to the space where the girder insertion groove 210 is formed so as to contact the upper portion of the girder 10 inserted into the girder insertion groove 210.

15 is a side cross-sectional view showing another embodiment of a girder insertion groove in a sleeper for a roadless railway bridge according to the present invention.

Depending on the design conditions, the girder insertion groove 210 may be further provided with a shim pad 211b provided under the elastic member 211 when described with reference to FIG. 15.

As shown in FIG. 15, the shim pad 211b is formed in a plate shape so as to be in surface contact with the lower side of the elastic member 211, but the front and rear ends are formed to be bent upward and protrude. The cross section may be formed in the form of a'∪' with an open upper side.

That is, the shim pad 211b is formed to surround the front, rear and lower sides of the elastic member 211.

As the shim pad 211b having a certain thickness made in this way is provided to be in surface contact with the lower side of the elastic member 211, between the bottom surface of the elastic member 211 and the top surface of the girder 10 Positioned to perform a function of adjusting the height between the elastic member 211 and the girder (10).

For example, when it is necessary to increase the height of the elastic member 211 from the girder 10 at a work site by about 2 mm, by binding the shim pad 211 b having a thickness of 2 mm to the elastic member 211, the height can be adjusted. To be able to.

In this case, the shim pad 211b may be made of the same material as the elastic member 211.

16 is a front cross-sectional view showing an example in which rails are connected to the sleepers in the sleepers for a martial-style railway bridge according to the present invention.

When described with reference to FIG. 16, the rail connection groove 220 is formed in a shape that is opened upward at the top of the second section 200, and consists of a pair of rails in the form of'I' at the top of the sleeper 30 ( 20) It performs the function of binding the lower side on both sides.

That is, a pair of rail connection grooves 220 are formed on the upper side of the second section 200, and each of the rail connection grooves 220 is coupled to the rail fastening part 221 seated on the upper side of the second section 200. Rail fastening bolts 222 for are fastened.

Thus, by firmly binding both sides of the rail 20 using a pair of rail fastening bolts 222 and rail fastening portions 221, the rail 20 supported by the sleepers 30 can be firmly supported. I can.

According to the design conditions, the rail connection groove 220 is opened on the upper side of the second section 200 of the sleeper 30 to form a pair, but before being buried in the inner space of the second section 200 (not shown in the drawing) Can be provided.

The rail connection groove 220 provided before the embedding strengthens the fastening force with the rail fastening bolt 222, so that even if vibration occurs, it is not separated from each other, and the sleeper 30 and the rail fastening part 221, that is, the rail ( 20) can improve the bonding strength.

17 is a side cross-sectional view showing an example of connecting a girder to a sleeper in a sleeper for a non-going railway bridge according to the present invention, and FIG. 18 is a cross-sectional view showing an example in which the sleeper and the girder are connected in the sleeper for a non-going railway bridge according to the present invention. It is a perspective view, and FIG. 19 is a front cross-sectional view showing an example in which the sleepers and the girders are connected in the sleepers for a non-going railway bridge according to the present invention.

When described with reference to FIG. 17, the girder connection groove 230 is formed on each of the front side and the rear side of the second section 200 to have an open shape, and connect the girder 10 and the sleeper 30 For the girder connection 231 to be coupled.

That is, as shown in FIG. 17, the girder connection groove 230 is preferably formed on each of the front side and the rear side of the pair of second sections 200 to form four on one sleeper 30, and the girder A girder connection part 231 is coupled to each of the connection grooves 230 to couple the girder 10 at the front side and the rear side of the sleeper 30.

At this time, the girder connection part 231 is coupled to each of the front side and the rear side of the second section 200, and, as shown in FIGS. 18 and 19, a form surrounding a portion of the upper side of the girder 10 of the'I' shape Is combined with

Thus, the girder 10 is coupled in a form where a portion of the upper side is wrapped by the girder connection part 231, and the elasticity between the girder insertion groove 210 formed in the second section 200 and the girder 10 are in contact. By providing the member 211, it is possible to reduce frictional stress and reduce vibration and noise.

On the other hand, the process of coupling the girder connection part 231 to the third section 300 will be described with reference to FIG. 17, as a separate bolt (not shown) is fastened to the girder connection part 231, the girder connection part 231 ) Can be configured to be tightly coupled.

That is, the girder connection groove 230 is formed in a shape that is opened in each of the front side and the rear side of the third section 300, and as shown in FIG. 17, the girder connection part 231 is formed on the front side and the rear side of the sleeper 30. It is to be coupled to each side, and thus, a portion of the upper side of the'I'-shaped girder 10 can be firmly bonded.

20 is a front cross-sectional view showing an example in which a hollow part is formed in the sleepers for a martial-style railway bridge according to the present invention.

When the third section 300 is described with reference to FIG. 20, a pair of the second section 200 is formed in a form extending outward, and is provided as a pair, and is seated on the upper side of the second section 200. The rail 20 is exposed to the outside.

That is, when a pair of rails 20 are mounted and coupled to the upper side of the sleeper 30, the third section 300 is exposed to the outside of the pair of rails 20, respectively.

In this case, as shown in FIG. 20, in the third section 300, an opening hole 311 is formed on a lower side thereof, and a hollow portion 310 opened downward through the opening hole 311 is formed.

This hollow part 310 is formed to have the sleeper 30 to have a lower load than the existing wooden sleeper or a weight equivalent to the existing wooden sleeper, rails so as to have less structural impact on the track structure. (20) It can be formed only in the part exposed to the outside.

That is, the hollow part 310 is preferably formed in the third section 300 with less structural influence from the sleeper 30, and is formed by removing a part of the inner space of the third section 300. ) Has the advantage of reducing the weight of the material and at the same time reducing the material cost, thereby reducing the cost.

Depending on the design conditions, the sleepers 30 are not shown in the accompanying drawings, but a separate reinforcing bar, steel bar, or steel wire may be arranged inside to improve durability.

According to this configuration, the sleeper for a non-going railway bridge according to the present invention is supported on the upper side of the girder 10 and the sleeper 30 on which the rail 20 is installed is a PC sleeper, RC sleeper, urethane sleeper, By configuring at least one selected from plastic sleepers or rubber sleepers, it is possible to solve the problem of being vulnerable to corruption, damage, and fire risk due to the material characteristics of conventionally installed wooden sleepers.

In addition, the first section 100 provided in the middle of the sleeper 30 and the second section 200 provided in the form extending to both ends of the first section 100 are provided, except for the second section 200 on which the rail 20 is seated. By forming the hollow portion 310 in the three sections 300, it is possible to reduce the self-weight and at the same time significantly reduce the material cost to reduce the material cost.

In addition, the girder connection part 231 connecting the sleeper 30 and the girder 10 and the rail fastening part 221 connecting the sleeper 30 and the rail 20 are easy to use for the sleeper 30 made of one structure. By allowing it to be fastened together, it is possible to provide convenience of installation.

In addition, an elastic member 211 is provided on the surface where the girder 10 and the sleeper 30 come into contact, so that a plurality of sleepers 30 flexibly absorb the rail 20 push phenomenon (the phenomenon that the rail moves vertically). By doing so, it prevents adverse effects on the behavior of the bridge and train operation due to the constraint condition by the fixing device of the conventional sleeper 30 and the girder 10, and an elastic member 211 made of various heights is selectively applied to the girder 10 As applied between the and sleeper 30, it is possible to facilitate the height adjustment between the girder 10 and the sleeper 30.

In the above description, various embodiments of the present invention have been presented and described, but the present invention is not necessarily limited thereto, and those of ordinary skill in the technical field to which the present invention pertains, within the scope of the technical spirit of the present invention. It can be seen that branch substitution, modification, and change are possible.

10: girder 20: rail
30: sleeper
100: 1st section 110: Bopan shoulder groove
111: bopan 111a: shoulder protrusion
111b: bopan through hole 111c: rib
111d: first extension 111e: seating protrusion
111f: second extension 111g: seating groove
120: beam plate connection groove 121: sleeper connection bolt
122: guard rail 122a: guard rail through hole
130: beam insertion groove
200: second section 210: girder insertion groove
211: elastic member 211a: flow preventing groove
211b: shim pad 212: side elastic member
220: rail connection groove 221: rail fastening part
222: rail fastening bolt 230: girder connection groove
231: girder connection
300: 3rd section 310: Ministry of Public Works
311: opening hole

Claims (10)

In the sleeper 30 for supporting the rail 20, which is coupled to the upper side of the pair of girders 10,
The sleeper 30 is
A first section 100 in which the beams 111 are mounted on the upper side;
A second section (200) formed in a pair of extensions at both ends of the first section (100), and a rail (20) is mounted on the upper side, and a second section (200) is supported by the girder (10) at the lower side; And
A third section 300 that is formed in a form extending outward of each of the pair of second sections 200 and provided as a pair, and is exposed to the outside of the rail 20 seated in the second section 200; It is composed including,
Characterized in that consisting of at least one selected from PC sleepers, RC sleepers, urethane sleepers, plastic sleepers, and rubber sleepers,
The first section 100 is
Bowboard shouldering groove 110 in a form recessed inward on each of the upper front side and the rear side; And
Consisting of including; a beam plate connection groove 120 which is formed on both sides and is formed in a pair, and is fastened by a sleeper connection bolt 121 with a beam plate 111 that is opened upward and is seated on the upper side,
The bow plate shoulder attachment groove 110 is
A pair of shoulder protrusions (111a) made of a protruding shape on the lower side of the plate-shaped beam (111) is fitted, characterized in that the martial arts railway bridge sleepers.
delete The method according to claim 1,
The first section 100 is
Consisting, including; a beam plate insertion groove 130 made in a form in which the upper end of the first section 100 is recessed downward,
A pair of beam shoulder paddle groove 110 is a martial art railroad bridge sleeper, characterized in that formed in the form of a depression extending downwardly to the front side and the rear side of the beam insertion groove 130, respectively.
The method according to claim 1,
The second section 200 is
A girder insertion groove 210 in which an elastic member 211 is inserted at the lower end, and is inserted so that the upper surface of the girder 10 is in contact with the elastic member 211;
The rail connection groove 220 which is opened upward and is made of a pair, and is fastened with a rail fastening bolt 222 for coupling the rail fastening portion 221 that binds the lower side of the'I' shaped rail 20 at the top ; And
Consisting, including; a girder connection groove 230 in which the girder connection part 231 for connecting the girder 10 and the sleeper 30 is coupled with each of the front side and the rear side in an open shape,
The girder connection part 231 is
The second section 200 is coupled to the girder connection groove 230 formed on the front side and the rear side, respectively, so that the girder 10 is connected to the front side and the rear side of the sleeper 30, respectively. Railroad bridge sleepers.
The method of claim 4,
A side elastic member 212 in contact with the left and right sides of the girder 10 is provided on each of the left and right sides of the space in which the girder insertion groove 210 is formed.
The method of claim 4,
The girder insertion groove 210 is
Consisting, including; a flow preventing groove (211a) made of a shape dug upward in the upper side of the space in which the girder insertion groove 210 is formed,
The vertical axis height of the flow prevention groove 211a is made smaller than the vertical axis height of the elastic member 211, and the outer peripheral length of the vertical axis cross section of the flow prevention groove 211a is the outer peripheral length of the vertical axis cross section of the elastic member 211 A sleeper for a non-going railway bridge, characterized in that the same as or greater than or equal to.
The method of claim 6,
The girder insertion groove 210 is
A shim pad 211b provided under the elastic member 211 and enclosing the front, rear and lower surfaces of the elastic member 211;
The method according to claim 1,
The third section 300 is
An opening hole 311 opened downward is formed, and a hollow portion 310 having an empty inside thereof;
The method according to claim 1,
The board 111 is
A shoulder protrusion 111a which is formed in a protruding shape on the lower side and is provided in a pair and is fitted into the beam shoulder shoulder 110; And
A plurality of beams formed to correspond to the beams connecting groove 120, and a beam through hole 111b into which the sleeper connecting bolt 121 is fastened; a sleeper for a railroad bridge, comprising: a.
The method of claim 9,
The board 111 is
It is made in the form of a long plate in the longitudinal direction of the long axis in which the rail 20 proceeds, and a plurality of pairs of shoulder protrusions 111a are formed on the lower side, so that one sleeper 30 is connected to a pair of shoulder protrusions 111a, respectively. Do it,
A pair of shoulder protrusions (111a) and a rib (111c) connecting between the other pair of shoulder protrusions (111a);

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