KR20070008034A - Method of repairing a vibration proof sleeper of the concrete ballast and fixing device of rail - Google Patents

Abstract

A method of replacing and constructing a vibration-suppression sleeper of a concrete ballast is provided to improve the riding feeling by mounting the vibration-suppression pad at the bottom of the rail and reducing vibration and noise while a train is operated and to speed up the accurate construction by controlling the rail level by the level control bolt. A method of replacing and constructing a vibration-suppression sleeper of a concrete ballast comprises a first step(S100) of removing the vibration-suppression sleeper, a vibration-suppression pad, and a vibration-suppression box from the concrete ballast; a second step(S200) of removing impurities from the mounting groove of the concrete ballast; a third step(S300) of mounting a block type vibration-suppression sleeper in the mounting groove and fixing a rail; a fourth step(S400) of controlling the level of the block type vibration-suppression sleeper by a level control bolt; a fifth step(S500) of pouring the non-shrinkage mortar between the concrete ballast and the block type vibration-suppression sleeper; and a sixth step(S600) of removing the level control bolt and combining an impurity inflow preventing cap with the level control bolt combining hole.

Description

Method of repairing a vibration proof sleeper of the concrete ballast and fixing device of rail

1 is a cross-sectional view showing that a dustproof sleeper is installed on a concrete road according to the prior art,

Figure 2 is a flow chart showing a method of replacing the dustproof sleepers on the concrete road according to the present invention according to the present invention,

Figure 3 (a-e) is a work flow diagram showing the construction method of replacing the dustproof sleepers on the concrete road according to the present invention,

Figure 4 is an exploded perspective view of the fastening device for fixing the rail to the dustproof sleeper on the concrete according to the present invention,

5 (a, b, c) is a front view, a side view and a plan view of a dustproof sleeper according to another embodiment of the present invention,

6 is a perspective view of a fastening device for fixing a rail to a dustproof sleeper on a concrete bed according to another embodiment of the present invention;

7 is a cross-sectional view of the fastening device shown in FIG.

* Explanation of symbols used in the main part of the drawing

10; Concrete phase 11; Home

12; Block type dust sleepers 13; Before landfill

14; Dust pad 15; Base plate

16; Flange 17; rail

18; Rail pad 19; Groove

20; Angle guide plate 21; Fastener

22; Tension clamp 23; Upper rebar

24; Lower rebar 25; wire

The present invention is to disassemble the dustproof sleepers, dustproof pads and dustproof box installed on the concrete phase after replacing the dustproof sleepers so that the elastic pad with excellent dustproof function to support the bottom of the rail, filling the non-shrink mortar between the dustproof sleepers and concrete bed The present invention relates to a construction method and a rail fastening device for replacing a dustproof sleeper in concrete to reduce vibration, noise, and improve workability.

More specifically, in the case of replacing the dustproof sleeper installed in the seating groove formed on the concrete island, install an elastic pad having durability and elasticity on the bottom of the rail mounted by the fastening device on the dustproof sleeper, and between the dustproof sleeper and the concrete bed By filling the non-shrink mortar, and relates to the construction method and rail fastening device for replacing the dustproof sleeper on the concrete to minimize the vibration and noise generated in the track when running the train.

In general, vibration generated by friction of rails and wheels while driving a train may cause shaking, cracking, etc., which adversely affects the usability and safety of the structure, and causes pollution of noise and vibration in the living environment around the railway rail. As a result, constant complaints occur around the track. As a result, technologies related to the vibration and noise of railways have been steadily being developed as interest in the environment is heightened.

1 is a cross-sectional view showing that a dustproof sleeper is installed on a concrete diagram according to the prior art.

As shown, in the case of installing a dustproof sleeper on a concrete bed according to the prior art, a dustproof box 3 on which a dustproof pad 2 is laid on the bottom surface is seated in a seating groove 1a formed on the concrete bed 1 and Reinforced concrete (RC) or stressed concrete sleeper (PC) 4 is seated on the dustproof pad 2, and is crimped by a fastener 5 fastened to the sleeper 4. The rail flange 7 is pressurized and fixed by the tension clamp 6 to be used. At this time, the rail pad 8 is installed under the rail flange 7.

That is, the concrete bed (1) has a track elasticity similar to the gravel bed track, the vibration of the low frequency band affecting the track is absorbed by the vibration pad (2) installed on the floor of the sleeper (4), the vibration of the high frequency band is rail It is absorbed and reduced by the rail pad 8 provided in the bottom surface of the flange 7 of (9).

On the other hand, long-term dynamic loads caused by repetitive railway operation cause shrinkage of the vibration pad 2 due to fatigue failure, decrease in elastic force, and hardening, so that the track repair is essential, and the thickness of the vibration pad 2 is uneven. Due to the decrease (uneven contraction of the cross-section), high and low inconsistencies occur, causing wave wear on the rails, vibration, noise, and cracks in the roadbed. Cracks are generated, and a maintenance cost of the tracks requires a maintenance cost.

Thus, when repairing concrete beds or sleepers, it is necessary to reinstall the dustproof pad (2) and the dustproof box (3), but when the concrete sleeper (4) is replaced, a jack (not shown) is used so that precise construction is possible. Since the size of the dustproof box (3) to be replaced with respect to the seating groove (1a) of the concrete bed (1) is not always matched, it is difficult to expect the same dustproof effect even when repairing or replacing, (1a) and the dustproof box (3) has a problem that can cause a safety accident due to incorrect track due to the mismatch of size.

An object of the present invention is to install a dustproof pad having excellent elasticity on the bottom of the rail when replacing the dustproof sleeper installed in the seating groove on the concrete island with a block-type dustproof sleeper, thereby minimizing the generation of vibration and noise during the train operation to a pleasant environment around the track. The present invention provides a method for replacing a dustproof sleeper on a concrete bed and a rail fastening device for precise construction by filling a non-shrink mortar after adjusting the rail level by a level adjusting bolt.

Another object of the present invention is to reduce vibration and noise by reducing the wave wear of the rail by a dustproof pad having excellent durability and elastic modulus when running a train, and the change in elastic modulus according to the temperature change is small, and the four seasons temperature change is obvious. To provide a construction method and a rail fastening device for replacing the dustproof sleepers on the concrete road to extend the service life in even.

Another object of the present invention, when the reinforcing bar is replaced by a dustproof sleeper exposed to the left and right sides, so as to install a part of the recess groove on the concrete diagram by the non-shrink mortar, to prevent the dustproof sleeper flow during the train operation It is to provide a construction method and rail fastening device replacement of dustproof sleepers on a concrete.

Still another object of the present invention is to provide a fastening device for fastening the rails when molding the dustproof sleepers, so that the work process is simple in the field, improving workability, and the parts for fixing the rails can be replaced and the fasteners Since the allowable deformation is large, it is to provide a construction method and a rail fastening device for replacing the dustproof sleepers on the concrete roof to prevent the occurrence of loosening of the fasteners and to reduce maintenance and repair costs.

The object of the present invention described above is to mount the dustproof box in the seating groove on the concrete island, mounting the dustproof sleeper on the dustproof pad seated on the dustproof box and press the rail flange by the rail clip fixed by the fastener of the dustproof sleeper In the construction method of replacing the dustproof sleepers on the fixed concrete

The first step of separating the rails from the dustproof sleepers and removing the dustproof sleepers, the dustproof pads and the dustproof boxes from the concrete bed;

A second step of removing foreign substances from the seat grooves on the concrete roof;

A third step of seating the block-type dustproof sleeper, to which the fastening member for the rail clamp is assembled, in the seating groove, and fixing the rail by the fastener;

A fourth step of adjusting the level of the block-type dustproof sleeper spaced apart from the bottom of the seating groove by the level adjustment bolt installed on the block-type dustproof sleeper outside the fastening member for the rail clamp;

A fifth step of placing non-shrink mortar between the concrete bed and the block type dustproof sleeper,

After the non-shrink mortar hardening, the leveling bolt is removed from the block-type dustproof sleeper, and the dustproof sleeper replacement construction in the concrete phase, comprising a sixth step of coupling the cap for preventing the inflow of foreign matter into the coupling hole for the leveling bolt. By providing a method.

According to a preferred embodiment, the aforementioned block-type dustproof sleepers are

The upper reinforcing bar which is internally formed by reversing the upper side of the block-type dustproof sleeper, and the lower reinforcing bar which is internally formed by the reversing longitudinally in the lower direction of the block-type dustproof sleeper, and the inner half of the block-type dustproof sleeper. It further comprises a metal wire.

The above-described block type anti-vibration sleeper is extended to expose the lower reinforcing bars on both the left and right sides, and further includes an extension piece of the lower reinforcing bar preventing the flow of the block-type anti-vibration sleeper against the concrete phase when the train is running.

The object of the present invention described above, and a block-type dustproof sleeper mounted on the seating groove formed on the concrete island,

Before the embedding of the insulator buried in the right and left sides of the seating groove of the block-type dustproof sleeper,

An anti-vibration pad of an elastic body mounted on the bottom of the seating groove between landfills,

A base plate mounted on the dustproof pad,

A rail pad mounted between the base plate and the rail flange,

An angle guide plate seated in a recess formed on the left and right sides of the seating groove, and preventing flow in the transverse direction of the rail;

It is achieved by providing a rail fastening device on concrete, characterized in that it is supported by a fastener fastened before embedding through the base plate and the anti-vibration pad, and includes a tension clamp for pressing and fixing the rail flange.

Hereinafter, preferred embodiments of the present invention will be described with reference to the accompanying drawings, which are intended to describe in detail enough to enable those skilled in the art to easily practice the invention, and therefore It does not mean that the technical spirit and scope of the present invention is limited.

Hereinafter, with reference to the accompanying drawings, the use of the anti-vibration sleeper replacement construction method and rail fastening device in the concrete according to the present invention will be described in detail.

As shown in FIG. 3 (a), after the fastener (not shown) pressurizing the flange 7 of the rail 9 is released, the rail 9 is separated from the dustproof sleeper 4, and then the hydraulic jockey. Lift the dustproof sleepers (4) from the dustproof box (3) using the back, and the dustproof box (3) having the dustproof pad (2) mounted on the floor from the seating groove (11) of the concrete bed (10). Remove it (see S100).

Various foreign matters attached to the above-mentioned mounting groove 11 are removed using a brush or a grinder (not shown). In other words, as a step of cleaning the place where the block-type dustproof sleeper 12 is installed cleanly, if a crack occurs in the inner surface of the seating groove 11, the mortar and the like is filled in the gap and repaired, followed by a seating groove using a blower. (11) to remove the moisture remaining on the inner surface (see S200).

As shown in Figure 3 (b), the block-type dustproof sleeper 12, when the concrete clamping member for mounting the rail clamp fastener 12 is shipped to be seated in the seating groove 11, the fastener The rail 17 is fastened by the reference numeral 21 (see S300).

As described above, since the fastening members such as the fastener 21 and the tension clamp 22 and the like are temporarily assembled to the dustproof sleeper 12 and introduced into the site, the worker uses the fastener 21 to install the rails 17. It can be fixed simply to the block-type dustproof sleepers (12).

As shown in FIG. 3 (c), the block-type dustproof member is spaced apart from the bottom of the seating groove 11 by adjusting the level adjusting bolt 29 installed on the block-type dustproof sleeper 12 to the outside of the fastening member for the rail clamp. The horizontal level of the sleeper 12 is adjusted, and the gap between the gaps is adjusted (see S400). That is, the height of the dustproof sleeper 12 can be adjusted with respect to the bottom surface of the seating groove 11 according to the rotation direction of the level adjustment bolt 29. When the level adjustment bolt 29 is rotated in the clockwise direction, the dustproof sleeper 12 is moved away from the seating groove 11 away from the seating groove 11.

As shown in Fig. 3 (d), after installing the straw (not shown) to install the non-shrink mortar 26 in the space between the concrete bed 10 and the block-shaped dustproof sleeper 12 , The non-shrink mortar 26 is poured (see S500). At this time, the non-shrink mortar (26) is poured about 20-30mm, and the non-shrink mortar (26) is 3 to 6 times better buffering than ordinary cement, so that vibration and noise from the track during railway operation Can be reduced.

In addition, when the non-contraction mortar 26 is placed in the space between the concrete bed 10 and the block-type dustproof sleeper 12, the shaking of the block-shaped dustproof sleeper 12 is prevented by the level adjusting bolt 29. The block type dustproof sleeper 12 can be supported against the concrete bed 10 until the shrinkage mortar 26 is poured and hardened.

As such, the construction of the dustproof sleepers 12 installed in the seating grooves 11 of the concrete bed 10 is possible by precisely adjusting the level of the rails 17 using the level adjusting bolts 29.

As shown in FIG. 3 (e), after curing the poured non-shrink mortar 26, the straw is dismantled, and the level adjusting bolt 29 is removed from the block type dustproof sleeper 12, but the coupling for the level adjusting bolt 12 The cap 27 is coupled to the cap 28 for preventing the inflow of foreign substances such as rain water (see S600).

Figure 4 is an exploded perspective view of the fastening device for fixing the rail to the dustproof sleeper on the concrete according to the present invention.

As shown in FIG. 4, the fastening device for fixing the rail to the dustproof sleepers includes a block-type dustproof sleeper 12 mounted to a seating groove 11 formed in the concrete bed 10, and

And before the filling of the insulator (13), which is embedded in the left and right sides of the mounting groove 11 of the block-type dustproof sleeper 12, and formed of a synthetic resin material,

And the dustproof pad 14 of the excellent elastic body mounted on the bottom surface of the seating groove 11 between the landfill 13,

A base plate 15 mounted on the dustproof pad 14,

A rail pad 18 having excellent elastic force mounted between the base plate 15 and the flange 16 of the rail 17,

An angle guide plate 20 seated in the recess 19 formed on the left and right sides of the seating recess 11 and preventing the rail 17 from flowing in the transverse direction and formed of an insulator;

It is fixed and supported by a fastener 21 (referred to as a screw spike) which penetrates the base plate 15 and the antivibration pad 14 before the landfill 13, and compresses the flange 16 of the rail 17. And a tension clamp 22 for fixing.

As shown in Figure 5 (a, b), the above-described block-type dustproof sleeper 12,

An upper reinforcing bar 23, which is formed in a double row in the transverse direction on the upper part of the block-type dustproof sleeper 12, and a lower reinforcing bar 24, which is built in a longitudinal direction in the lower part of the block-type dustproof sleeper 12; Block-shaped dustproof sleeper 12 is formed to further include a metal wire 25 is formed in a spiral in the middle.

As shown in Figure 5 (a, c) to Figure 7, the block-type dustproof sleeper 12 is formed to extend to expose a predetermined length to the outside of the block-shaped dustproof sleeper 12, the block-shaped reinforcement block 12 It may further include an extension piece (24a) for preventing the flow of the block-type dustproof sleeper 12 is embedded when the non-shrink mortar (26) is placed in the seating groove (11) after placing the non-contraction mortar (26) Of course.

At this time, as shown in Figure 7, when the block-type dustproof sleeper 12 described above is installed in the seating groove 11 formed in the concrete bed 10, the extension piece 24a exposed to the dustproof sleeper 12 After extending the left and right sides of the seating groove 11 with a tool (say hammer) to accommodate the pressure, adjust the level of the rail 17 using the level adjusting bolt 29, and the non-shrink mortar ( The filling of the anti-vibration sleeper 12 for the concrete bed 10 is completed as the 26 is filled.

As described above, the anti-vibration sleeper replacement construction method and rail fastening device in the concrete according to the present invention has the following advantages.

When replacing the dustproof sleeper installed in the seating groove on the concrete road with a block-type dustproof sleeper, install a dustproof pad with excellent elasticity at the bottom of the rail to minimize the occurrence of vibration and noise during the train operation, improving the riding comfort and making the surrounding area comfortable After the rail level is adjusted with the level adjusting bolt, the non-shrink mortar is filled to enable precise construction.

Vibration and noise are reduced by reducing the abrasion of rails by the anti-vibration pad that has excellent durability and elastic modulus when driving the train, and the life span can be extended even in places where temperature changes are obvious due to the small amount of elastic modulus change due to temperature changes. have.

When reinforcing bars are replaced with dustproof sleepers exposed on both sides, the part of the recessed groove on the concrete can be expanded and placed by non-shrink mortar, thereby preventing safety of the dustproof sleepers during the train operation.

When molding a dustproof sleeper, it is shipped in a state where the fixing device for fastening the rail is assembled, so the work process is simple in the field, and the workability is improved, and the parts for fixing the rail can be replaced, and the fastening of the fastener is large, so that the fastener is relaxed. It can prevent the occurrence and reduce the maintenance cost.

Claims (4)

Install the dustproof box in the seating groove of the concrete island, replace the dustproof sleeper by mounting the dustproof sleeper on the dustproof pad seated in the dustproof box and pressurizing the rail flange by the rail clip fixed by the fastener of the dustproof sleeper. In the construction method: Separating the rails from the dustproof sleepers, and removing the dustproof sleepers, dustproof pads, and dustproof boxes from the concrete phase; A second step of removing foreign substances from the seat grooves on the concrete island; A third step of seating the block-type dustproof sleeper, to which the rail clamping member is assembled, in a seating groove, and fixing the rail by a fastener; A fourth step of adjusting the level of the block-type dustproof sleeper spaced apart from the bottom of the seating groove by a level adjustment bolt installed in the block-type dustproof sleeper to the outside of the fastening member for the rail clamp; A fifth step of pouring non-shrink mortar between the concrete bed and the block type dustproof sleeper; And After the non-shrink mortar hardening, the leveling bolt is removed from the block-type dustproof sleeper, and replacing the dustproof sleeper in the concrete phase characterized in that it comprises a sixth step of coupling the cap for preventing foreign matter into the coupling hole for the leveling bolt Construction method. The method of claim 1, wherein the block-type dustproof sleepers, An upper reinforcing bar internally reconstituted in a transverse direction on the block-type dustproof sleeper; A lower reinforcing bar which is formed by reheating in the longitudinal direction under the block-type dustproof sleeper; And Construction method for replacing a dustproof sleeper in concrete characterized in that the block-type dustproof sleeper is made of a spiral in the middle of the metal wire further made. 3. The method of claim 2, wherein the block-type dustproof sleeper is extended to expose the lower reinforcing bars on left and right sides, and further includes an extension piece that prevents the block-type dustproof sleeper from flowing against the concrete phase when the train runs. Construction method of replacing the dustproof sleepers on the concrete. Block-type dustproof sleepers mounted on the seating groove formed on the concrete island; Before embedding of an insulator buried in the left and right sides of the seating groove of the block-type dustproof sleeper; An anti-vibration pad of an elastic body mounted on a bottom surface of the seating groove between the landfills; A base plate mounted on the dust pad; A rail pad mounted between the base plate and the rail flange; An angle guide plate seated in a recess formed on the left and right sides of the seating groove and preventing flow in the transverse direction of the rail; And And a tension clamp fixedly supported by a fastener fastened through the base plate and the anti-vibration pad before being embedded, and tension clamping the rail flange.

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