JPH07100922B2 - Laying rail tread removal method - Google Patents

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a method for correcting a tread surface of a corrugated wear rail on the head surface of a laying rail.

[0002]

2. Description of the Related Art Conventionally, a laid rail head surface and a wheel flange driven on the head surface are always in contact with each other, and at that time, a wavy wear is generated particularly in a curved area due to a load of a vehicle and a running friction. Had occurred.

This corrugated wear is caused by fixing the axle and wheels.
The wheels rotate at the same time as the axles. However, in the curved part of the track, the outer rail and the inner rail have slightly different rail lengths. Therefore, the inner wheel passes through the same rail head surface depending on the type of curve, and is gradually cut into a scale-like shape to cause a wavy wear surface on the rail head surface. Therefore, every time a train or train passes, vibrations and noises occur and the riding comfort is poor.

Therefore, in the corrugated wear rail, the recessed portion of the rail head surface is horizontally ground by a rail grinding or polishing machine, and if the spot occurs again, the grinding work is carried out again.
Therefore, depending on the place, the correction was carried out periodically.

[0005]

SUMMARY OF THE INVENTION The present invention not only takes time because the corrugated wear generated on the rail head surface is periodically scraped, and if it occurs, it is repaired again periodically. It was troublesome.

[0006]

In order to solve the above problems, the present invention provides a method for correcting corrugated wear generated between curved sections on a head surface of a laying rail, wherein a flange tire is provided on the inner rail head surface. Find the trace that passes through, tilt the head around the trace, and correct it into a mountain shape to avoid wear of the tire surface on the rail head as much as possible to reduce wear. The object is to provide a method for reducing rail maintenance and extending train maintenance, train shaking, and vibration noise.

[0007]

In order to carry out the correction, the tire contact point of the axle 2a of the inner rail 1a is obtained to find where the inner rail 1a mainly has a trace, and the trace line 4 is centered around the trace line. Inclination is made at the boundary, and the tire surface is removed as much as possible to avoid contact with the rail head surface.

[0008]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS The drawings explain one embodiment of a method for rectifying a tread on a laid rail.

Reference numerals 1 and 1a denote two parallel laying rails that are laid down. When the train on the rail head of the laying rails 1 and 1a runs in a serpentine motion, one of the flanges of wheels 2 and 2a is attached to one rail. 3 is pressed and the opposite flange 3a
Runs slightly away from the rail corner. In the curved area, depending on the type of curve, the outer rail 1
Is laid higher than the inner rail 1a. In addition, since the rail lengths of the laid inner and outer rails 1 and 1a are slightly different in the curved portion of the track, the wheels 2a on the inner rail 1a dove the same head when traveling on the curved portion. It is scraped through little by little, and the phenomenon of corrugated wavy wear occurs.

Therefore, when the train runs, vibration and noise are generated.

Further, in the curved area, the flange 3 of the outer wheel 2 is strongly pressed outward to the rail side of the head of the rail 1 by the principle of centrifugal force, and is brought into close contact with the rail 1. Therefore, the flange 3a of the wheel 2a on the inner side of the curve is separated from the head of the inner rail 1a by the amount of the slack + the outer flange 3 being pushed toward the outer rail 1, and is separated from the head of the inner rail 1a by only the tire surface of the wheel 2a. Corrugated wear occurs due to running on the tread on the entire head.

Therefore, the trace 4 on the head surface of the inner rail 1a
Is searched for, and it is configured so that the tire surface of the wheel 2a is tilted around this trace line m and is inclined at the trace line m as a boundary so as to avoid contact with the head surface.

[0013]

According to the present invention, it is possible to prevent the tire surface of the wheel from coming into contact with the rail head surface as much as possible by allocating the trace line as a boundary and correcting the inclination so as to avoid the wear of the rail head surface. Is reduced.

Therefore, a considerable number of passing trains significantly reduces the influence on the rail head surface, and the fact that the corrugations are corrected to prevent the cause of corrugated wear, and the generation cycle is extended, so that vibration during train passing, The effect is that noise is well controlled.

[Brief description of drawings]

FIG. 1 is a perspective view of a laid rail tread surface straightening method according to the present invention in a straightened state.

FIG. 2 is a front view showing a traveling state of a curved portion of a laid rail.

[Explanation of symbols]

 1,1a Rails 2,2a Wheels 3,3a Flange 4 Traces m Trace lines

Claims (1)

[Claims] 1. A method for rectifying a corrugated wear rail generated between curved sections due to load and traveling friction of a traveling vehicle, in which a surface of a laid rail head is constantly in contact with a wheel having a driven flange. In the above, the track on which the flange tire mainly passes is found on the inner rail head surface, and the tire contact surface is corrected from the surface to a point by inclining and dividing the line along this line of trace to correct the laid rail tread. Method.