BG2165U1 - Elastic rail fastening element - Google Patents

Abstract

An elastic rail fastening element, including a railway rail (1) below which is placed an elastic pad (4), whereby the rail (1) is pressed to a ribbed pad (3) by elastic clamps (5). The ribbed pad (3) is made of cast iron and is mounted to the crosstie (2) by coach screws (6) and washers (10). The ribbed pad (3), on its lower part, has two ribs with a rectangular cross-section (8), which go beyond the ribbed pad (3) over the entire width of the crosstie (2) and lie in channels (9), formed on the upper side of the crosstie (2).

Description

Field of technology

The utility model refers to the construction of an elastic rail fastening, which is used in railways with curves with a small radius.

BACKGROUND OF THE INVENTION

A rail fastening type KS of DE 3526653 A1 is known, consisting of a rail attached to a traverse by means of a rolled ribbed pad of iron-carbon alloy. The rail is fixed to the rib pad with two bolts, two elastic terminals SKL12, two washers and two nuts, and between the heel of the rail and the rib pad an elastic rubber pad is placed. In turn, the ribbed pad of iron-carbon alloy is attached to the traverse with four pins, wound into the traverse, equipped with two-turn spring washers. In this type of fastening, it is obtained that when turning the clamping nut it is not always possible to provide a distance of at least 2 mm between the middle eye of the elastic terminal and the heel of the rail, which is a condition for providing elastic fastening of the the rail to the traverse. This attachment does not provide the necessary reliability to achieve a constant track gauge in small radius curves. The friction force between the rib pad and the cross member decreases during operation.

The horizontal transverse force of the rolling stock overcomes it and the typhoons begin to take the load. Over time, the beds of the tyrphones in the traverse break, as a result of which the distance between the rails increases.

Technical essence of the utility model

The purpose of the utility model is to create an elastic rail fastening for wooden sleepers with high reliability for railways with curves with a radius of less than 300 tons.

The essence of the utility model is to create a flexible elastic fastening, consisting of a rail attached to the traverse by means of a cast iron ribbed pad, elastic pad, elastic terminals and pins that press the elastic clamp, and they in turn press the rail to the rail. and the rib pad to the traverse. The cast iron rib pad has two ribs with a rectangular cross-section, which protrude beyond the rib pad along the entire width of the traverse and lie in the designated beds on the upper side of the traverse.

The advantages of the utility model are that the construction subject to the utility model:

- provides a constant track gauge during operation by means of the ribs with a rectangular cross-section located below the pad and the grooves in the traverse. The large contact area of the ribs does not allow deformation of the bed in the traverse in the area of the contact;

- provides a long period of reliable operation without the need for additional maintenance of the railway, due to the presence of two elastic terminals, the two pins and due to the presence of plastic dowels preventing direct contact between the steel pins and the bed in the traverse;

- allows pre-assembly of the elements of the fastening to the traverse in workshop conditions and creates an opportunity for mechanization of the process, which ensures accuracy in installation, saves labor and time;

- The construction is high-tech and economical, easy to install and operate. The number of fasteners compared to the prior art is reduced to 16 pieces per traverse.

Explanation of the attached figures

An exemplary embodiment of the construction of the elastic underlying rail fastening, subject to the utility model, is shown in the following figures:

Figure 1 is a cross-sectional view of the attachment;

Figure 2 - top view of the cast iron ribbed pad;

Figure 3 - axionometric model of the elements of the rail fastening and the fastening in its entirety.

To clarify the figures and the exemplary embodiment, the following notations are used, which are unambiguous in all appendices

2165 UI figures:

rail traverse cast iron ribbed pad elastic pad elastic terminal tyrfon dowel rib grooves washers

Example of implementation of the utility model

This example illustrates the utility model without limiting it.

The rail fastening (Fig. 1,2,3), consisting of a rail 1 attached to the traverse 2, by means of a cast-iron ribbed pad 3 and an elastic pad 4 by means of a set of fasteners consisting of elastic terminals 5, pins 6, provided washers 10 and dowels 7. The cast iron ribbed pad has ribs 8 at both ends at the bottom. Two channels 9 are made in the traverse, in which the ribs 8 lie.

Using the utility model

The construction of the rail fastening, subject of the utility model, is used in the construction of new and in the repair of existing railways in curves with a radius less than 300 sh. Its realization is carried out as the installation of its components is carried out in workshop conditions using mechanization. First, the holes in the traverse are drilled and a thread is cut in these holes with a special tap. The dowels 7 are smeared with glue and rolled into the traverse. The openings of the two dowels serve as bases for cutting the channels 9. The ribbed pad 3 is mounted, the elastic pads 4 are placed, the elastic terminals 5 are mounted in the rear position and the rollers 6 are wound. arrange at a certain distance and place the rail 1. Then the elastic terminals 5 are placed in the working position and the pins 6 are screwed to the end position.

Claims (2)

Claims An elastic rail fastening comprising a railway rail under which an elastic pad is placed, the rail being pressed against the ribbed pad by elastic terminals and the ribbed padding mounted to the traverse by means of pins and washers, characterized in that the ribbed ) from its lower part has two ribs with a rectangular cross-section (8), which protrude beyond the rib pad (3) along the entire width of the traverse (2) and lie in grooves (9) formed on the upper side of the traverse (2). Elastic rail fastening according to claim 1, characterized in that the ribbed pad (3) is a cast iron casting.