KR20090058252A

KR20090058252A - Connectable railroad rail

Info

Publication number: KR20090058252A
Application number: KR1020070124944A
Authority: KR
Inventors: 문성규
Original assignee: 문성규
Priority date: 2007-12-04
Filing date: 2007-12-04
Publication date: 2009-06-09

Abstract

A female and male coupled type railway is provided to reduce the vibration and noise generated when a wheel passes through a rail joint part. A female and male coupled type railway comprises a wedge shaped protrusion(110) and a wedge shaped recess part(120). The wedge shaped protrusion is located at a one end part of a rail body(100). A pointed end(111) is located on the center of the rail body width. A flange(110a) connected from the other end part of the rail body is removed from a connection point(113) with the other end part to the pointed end. A bottom part(112) of the wedge shaped protrusion is located lower than the height of the flange upper side. The wedge shaped recess part is located the other end part of the rail body. A leading edge(121) faces the same direction as the pointed end of the protrusion does and has the same size as the protrusion. The flange protrudes to a tip end part of both wings(122). The wedge shaped recess part has a slide groove(123) on the flange upper side.

Description

Male and female combined rail rails {connectable railroad rail}

The present invention relates to a rail rail, and more particularly, it is possible to reduce the vibration and noise generated when the wheels pass through the rail connecting part in the course of a railroad vehicle, so that the ride comfort can be improved as well as in the longitudinal direction. The present invention relates to a male and female railway rail that can firmly maintain the installation state of the rail to be connected.

The railroad car runs along rails installed on the sleepers.

At this time, the rail is bound to be produced in a limited length bar, one rail and the other rail is connected to the installation is installed, as shown in Figure 4, one rail body that the two ends are in a straight line ( A predetermined gap was formed between the front end or the rear end of the other end and the rear end or the front end of the other rail body 100 in which both ends are formed in a straight line.

The existing rail connection part as described above generates a minute defect section due to the gap formed between the front end or the rear end of the one rail body 100 and the rear end or the front end of the other rail body 100 in the process of running the railway vehicle. When the wheel passes the gap, that is, the gap formed between the front end or the rear end of the one rail body 100 and the rear end or the front end of the other rail body 100, there was a problem that the ride feeling is reduced because vibration and noise are induced.

For this reason, a method of welding a gap formed between adjacent rail bodies back and forth has recently been used.

As described above, the method of welding the gaps formed between the adjacent rail bodies before and after is to prevent the occurrence of a defect section, thereby improving the riding comfort in running a railway vehicle. Since it was not possible to accommodate the expansion joint to accommodate the elongation of the rail body at regular intervals, there was a problem that additional burdens on the work load and cost were followed when installing the rail.

In addition, the above method of welding the gap formed between the adjacent rail body before and after was that the welded portion of the rail connection portion is easily worn by the traveling of the railroad car, it takes a considerable time and cost to repair it There was.

The present invention has been made in view of the above situation, by reducing the vibration and noise generated when the wheels pass through the rail connecting portion in the course of running a railroad vehicle to improve the ride comfort as well as the longitudinal direction It is an object of the present invention to provide a male-female coupled railway rail that can firmly maintain the installation state of the rail connected to.

Male and female coupling railroad rail according to the present invention for achieving the above object,

Male and female coupling railroad rail according to the present invention,

Is provided at one end of the rail body, the tip is located in the center of the width of the rail body, the inner angle is within the range of acute angle, the bottom flange from the other end of the rail body is the whole from the connection point to the other end to the tip A wedge-shaped protrusion which is removed over and whose bottom is located below the upper surface of the flange of the other portion;

It is provided at the other end of the rail body formed with the protrusion, the tip is made in the same shape and size as the protrusion while facing the same direction as the tip of the protrusion, the lower flange extending from the other end of the rail body protrudes beyond the tip of both wings And a wedge-shaped concave in which a slide groove is formed in the central portion of the flange upper surface protruding beyond the tip of both sides of the wing;

Male and female coupling rail according to the present invention, because the wedge-shaped projection is inserted into the concave part formed in the same shape is connected to the installation, so that the wheel is always on the front or rear rail in the course of the railway vehicle vibrations It is possible to prevent the occurrence of noise and noise, and to improve the riding comfort. Also, in the rail installation state, the protrusion is prevented from left and right clearance at the recess, and the recess is prevented from being left and right clearance by the protrusion. It will be able to maintain the installation state.

Hereinafter, with reference to the accompanying drawings in more detail as follows.

1 is a perspective view showing the external appearance of the male and female railway rail according to the present invention, Figure 2 is a cross-sectional view for explaining the structure of the male and female railway rail according to the present invention, Figure 3 is a male and female coupling type according to the present invention This is a plan view showing the form of the connection using the rail rail.

1 and 2, the male and female coupling railroad rail A according to the present invention is provided with a protrusion 110 and a concave portion 120 in the rail body 100.

Here, the rail body 100 may be any rail as long as it is a rail of the general standard that is usually installed on the rail, so the detailed description is omitted.

The protrusion 110 is provided at one end of the rail body 100, the tip 111 of which is located at the center of the width of the rail body 100 to form an acute angle, from the other part of the rail body 100 The flange 100a at the lower end is removed, and the bottom 112 is in the shape of a wedge located below the upper surface height of the flange 100a at the other part.

Such a protrusion 110 is preferably made of a minimum length of the rail body 100 more than the width of its own in order to secure the contact surface with the wheel of the railway vehicle, it is preferable that the inner angle of the tip 111 is made of about 60 °. .

And the protrusion 110 is the bottom flange (100a) leading from the other portion of the rail body 100 is removed in order to increase the convenience when connecting to the other rail body 100, but the connection point 113 of the protrusion 110 and the other portion 113 It is desirable to be removed from before to the tip 110 of the protrusion 110.

The concave inlet 120 is provided at the other end of the rail body 100 in which the protrusion 110 is formed, and the tip portion 121 faces the same direction as the tip portion 111 of the protrusion 110. It is made of the same shape and size, and the flange (100a) of the lower end leading from the other parts of the rail body 100 is protruding beyond the tip of both wings 122, the flange (100a protruding more than the tip of both wings 122) ) The wedge-shaped slide groove 123 is formed in the center of the upper surface.

Male and female coupling rail according to the present invention as described above (A) is made in the form as shown in FIG.

The rail is formed by connecting the rail body in the longitudinal direction, the male and female coupling rail according to the present invention (A) and also the front end or the rear end of the other rail body 100 in the front and rear ends of the rail body 100 In this case, since both ends of the rail body 100 are provided with protrusions 110 and recesses 120, the protrusions 110 of one rail body 100 are connected when the rail body 100 is connected in a predetermined direction. The other rail body 100 is inserted into the indentation portion 120 inside the coupling is made, the indentation portion 120 of the one rail body 100 is inserted into the protrusion 110 of the other rail body 120 is coupled to Will be done.

At this time, the concave portion 120 and the protrusion 110 is the same shape and the same size can be easily combined, the lower flange (100a) in the concave portion 120 protrudes over the tip of both wings 122 The bottom 112 of the protrusion 110 located below the upper surface height of the flange 100a on the other side of the rail body 100 is fitted into the slide groove 123 formed on the upper surface of the flange 100a of the recess 120. When the rail body 100 is connected and installed, the lengthwise direction of the bottom 112 of the protrusion 110 is inserted into the slide groove 123 formed on the upper surface of the flange 100a of the concave inlet 120. The rail body 100 leading to this can be simply connected without installation.

On the other hand, when the concave portion 120 and the protrusion 110 is coupled between the tip 121 of the concave portion 120 and the tip 111 of the protrusion 110 is preferably maintained so that the interval of about 5mm.

By maintaining the interval of about 5mm between the tip 121 of the concave portion 120 and the tip 111 of the protrusion 110 can accommodate the elongation of the rail body 100 by the temperature change, the rail When the body 100 is extended, the bottom 112 of the protrusion 110 slides freely in the slide groove 123 formed in the flange 100a of the concave portion 120, so that the rail body 100 does not cause resistance. The extension of the rail body 100 can be accommodated.

The male and female coupling rail according to the present invention connected and installed in accordance with the above installation method, the wheel must be in contact with the upper surface of any one of the rail body 100 when the wheel of the running railway vehicle passes through the rail connection portion To pass through, it is possible to prevent the generation of vibration and noise because the defect section does not occur, it is possible to improve the ride comfort of the railway vehicle.

In addition, the male and female coupling railroad rail (A) according to the present invention installed in accordance with the installation method is because the protrusion 110 is located inside the recessed portion 120, the transverse pressure on the rail body 100 in the rail vehicle driving process Even though this acts, the indentation part 120 surrounds the protrusion part 110, and thus the protrusion part 110 prevents the center part of the indentation part 120 from being deviated from the center so that the rail body 100 can be firmly installed.

The male and female coupling railroad rail according to the present invention as described above is not limited to the above-described embodiment and can be changed within the scope not departing from the gist of the present invention as claimed in the claims. It is in range.

1 is a perspective view showing the outer appearance of the male and female railway rail according to the present invention.

Figure 2 is a cross-sectional view for explaining the structure of the male and female railway rail according to the present invention.

Figure 3 is a plan view showing the form of the connection using the male and female railway rail according to the present invention.

Figure 4 is a plan view showing the connection form using an existing railway rail.

100: rail body 100a: flange

110: protrusion 111: tip

112: floor 113: connection point

120: recessed portion 121: tip

122: wing 123: slide groove

A: Male and female combined rail

Claims

It is provided at the other end of the rail body formed with the protrusion, the tip is made in the same shape and size as the protrusion while facing the same direction as the tip of the protrusion, the lower flange extending from the other end of the rail body protrudes beyond the tip of both wings And a wedge-shaped concave in which a slide groove is formed at a flange upper surface central portion protruding beyond the tip of both sides of the wing;

The method of claim 1,

The protrusion has a minimum length of more than the width of the rail body, the inner corner of the tip is made of about 60 °, the bottom of the male and female coupling rail rail, characterized in that located below the height of the upper surface of the flange of the other part.

The method of claim 1,

The projecting portion inserted into the connecting portion is a male and female coupling railroad rail, characterized in that the tip maintains a gap of about 5mm from the connecting tip.