UA51726C2 - Unit “transroad group” for fixing rail to tie - Google Patents

Abstract

Unit for fixing rail to tie is used in road works on concrete ties. This invention is based on the problem, in the unit for fixing rail to tie, through changing anchor head and holder (socket) shape to increase the area of contact of the spring socket with the base of the rail through insulator and to decrease amplitude of vibration of the rail and, thus, to increase the durability of the insulator work. To achieve this, in the unit for fixing rail to tie having shaped spring socket interacting with the base of the rail through insulator, fixed in concrete tie anchor unit, head of which is made with slots for fixing the ends of spring socket, and at the outer surface of the head guide is formed for feeding to the side of the base of the rail the spring socket, with displacing its ends and the part interacting with the rail base apart, the guide is made as continuous whole outer surface of the head, and the spring socket is made as an arc with bended to its inner side ends.

Description

Description of the invention

The invention relates to the construction of railways, in particular mechanisms for fastening the rail to the sleeper. 2 The device described in European patent EP 0826826A1 dated 03/04/98 is the closest to the claimed device in terms of functional purpose and design.

The known device includes a shaped elastic terminal that interacts with the sole of the rail through an insulator, an anchor node fixed in a concrete sleeper, the head of which has grooves for fixing the ends of the elastic terminal. A guide is formed on the outer surface of the head, along which the working part of the elastic terminal is fed towards the rail. 70 At the same time, the ends of the elastic terminal are fed into the inclined grooves, and in this way the working part of the elastic terminal and its ends are separated.

However, this design of the known device has a significant drawback. It is due to the fact that the guide for feeding the elastic terminal is made in the recess on the outer surface of the head of the anchor node. As a result, the working part of the elastic terminal must be performed in the form of an arc with a very small radius, and this in turn 719 leads to a decrease in the contact area between the elastic terminal and the sole of the rail. And a small contact area leads to an increase in the amplitude of rail vibrations relative to the sleeper during railway operation.

The invention is based on the task of increasing the contact area of the elastic terminal with the sole of the rail through the insulator and reducing the amplitude of oscillations of the rail by changing the shape of the anchor head and the configuration of the clamp (terminal) and thereby increasing the life of the insulator.

The technical result consists in increasing the contact of the elastic terminal with the sole of the rail through the insulator. To achieve it, in the device for attaching the rail to the sleeper, which includes a shaped elastic terminal that interacts with the sole of the rail through an insulator, an anchor node is fixed in the concrete sleeper, the head of which is made with grooves for fixing the elastic terminal, and a guide is formed on the outer surface of the head for supply towards the sole of the rail of the elastic terminal and the separation of its ends and the part that interacts with the sole of the rail, the guide is made in the form of a continuous entire outer surface of the head, and the elastic terminal is made in the form of an arc with the ends bent into its middle. At the same time, as a variant of the invention, the guide is formed by at least two planes inclined to each other, and the front, located closer to the sole of the rail, the edge of the head is made with an excess in height relative to the insulator opposite its edge.

The cause-and-effect relationship between the set of features of the invention and the technical result is that the guide is formed by the continuous outer surface of the head of the anchor node, and the elastic terminal is made in the form of an arc with the ends bent in the direction of its middle. This makes it possible to apply the elastic terminal over the entire surface of the head with a large, compared to the prototype, radius of the arc of the elastic terminal. A larger radius of the arc in the elastic terminal leads to an increase in the contact area between the corresponding part of the elastic terminal and the insulator. "--

An increase in the contact area leads to a decrease in the amplitude of oscillations of the part of the rail between two adjacent terminals. A decrease in the amplitude of oscillations, i.e. elastic deformation, reduces the probability of defects (accumulations of dislocations, cracks) in the material of the rail, which ultimately leads to the preservation of the mechanical strength of the rail and an increase in its service life.

The invention is illustrated by drawings, where Fig. 1 shows the general view of the claimed device, Fig. 2 is a top view; From 50 to Fig. 3 - a view of the device in the mounting position of the terminal; c in Fig. 4 - a view of the anchor frame;

From" in Fig. 5 - side view in Fig. 4; in Fig. b - elastic terminal; Fig. 7 is a front view of Fig. b;

The device for fastening the rail to the sleeper (Fig. 1, 2) consists of a rail 1 with a sole 2, laid through the i-th elastic gasket З on a reinforced concrete sleeper 4, into which four anchor nodes 5 are poured, the lower part of which is made in the form the rod 7 and the protrusion 8 located behind the rod 7. The upper part 9 (fig. 4, 5) of the anchor assembly 5 has on each of the lateral sides one through groove 10, located at a right angle and to the rail and at an angle of , 5" - 8") to the surface of the sleeper 4, each groove has a catch 11 in the form of a protrusion from the 50 side of the rail 1. The upper surface 12 of the head 9 is made in the form of a guide surface, which is formed by planes

F 13 and 14 are inclined to each other at an angle p (for example, 107 - 16"). The head 9 in the front part has vertical selections 15 on the width of the passing grooves 10.

The elastic terminal 16 (fig. 1, 2, 6) has two supporting parts 17 with hooks 18 at the ends (in the form of a recess), and a clamp 19, which are connected to each other by means of curved 20 and straight 21 parts. Clamp 19 through insulator 22 presses on sole 2 of rail 1.

GF) The device is assembled as follows: rail 1 is installed on reinforced concrete sleepers 4 through an elastic gasket Z between 7 anchor nodes 5, on the sole 2 insulator 22 terminals 16 are placed, fixing it with a groove relative to the anchor node 5. The elastic terminal 16 is mounted in the installation position in such a way that the clamp 19 of the terminal 16 lies on the horizontal part 13 of the guide surface U of the anchor node 5, while the supporting parts 17 of the terminal 16 60 must be inserted into the through grooves 10 (Fig. 3).

Next, with the help of a standard device (not shown in the figure), the elastic terminal 16 is moved to the working position; at the same time, the clamp 19 along the inclined part 14 of the guide is applied to the insulator 22, and the supporting parts 17 of the terminal 16 along the through grooves 10 are shifted along the inclined surface of the grooves 10 towards the rail until the hooks 18 of the supporting parts 17 of the elastic terminal 16 are locked with the hooks 11 of the head 9 of the anchor unit 5. Under the influence of the mounting force and with the help of the guide curve 20 and straight 21 parts of the elastic terminal 16 bend and twist, creating a pressing force of the sole 2 of the rail 1 to the sleeper 4.

The device for attaching the rail to the sleeper works as follows: when the rail 1 oscillates, the movement of the sole 2 is perceived through the insulator 22 by the elastic terminal 16, which is mounted on the anchor node 5.

To dismantle the elastic terminal 16, it is necessary to use the lever device through the vertical selections 15 of the head 9 to press the ends of the supporting parts 17 and remove them from the catches 11, after which move the clamp 19 to the horizontal part 13 of the guide, leaving the terminal 16 in the mounting position (Fig. C ).

The length of the horizontal part 13 of the guide is chosen in such a way as to ensure the mounting position of the terminal 16, and that the supporting parts 17 of the terminal 16 were in the through grooves 10, and the clamp 19 was on the horizontal part 13 of the guide, allowing easy, without effort, to put and remove the elastic terminal 16 from anchor node 5.

The angle of inclination of the passing grooves 10 is selected in relation to the angle Dr of the inclined part 14 of the copier in the ratio of 1:22, and the total sum of these angles should provide the necessary tension of the terminal 16, for guaranteed pressing of the sole 2 of the rail 1 to the sleeper 4.

Dividing the angle of the surface of the guide, which provides the necessary tension of the terminal (the necessary pressure force of the sole 75 to the sleeper 4 is 20...100kKN) into two angles z and B significantly reduces the effort required to move the elastic terminal 16 to the working position.

The study of the mechanical strength of the rail material is carried out in accordance with GOST 18267-82. Rails of the same type (Rb5) manufactured under the same conditions (GOST 24182-80) were selected for the tests. The samples were cut (by the electrospark method) from the rails that survived 109 cycles at room temperature. The table shows the mechanical properties of the material of the rails, which were fixed to the sleeper with the help of the prototype device and with the help of the claimed device. high school

Heat transfer mm? 00090090 o (Se)

Claims (2)

The formula of the invention with ch 1. A device for fastening the rail to the sleeper, which includes an elastic terminal that interacts with the sole of the rail through an insulator, an anchor node fixed in a concrete sleeper, the head of which is made with grooves for fixing the ends of the elastic terminal, and a guide is formed on the outer surface of the head for feeding towards the sole of the rail M) elastic terminal and separating its ends and the part that interacts with the sole of the rail, which is distinguished by the fact that the guide is made in the form of a continuous entire outer surface of the head, and the elastic terminal is made in the form of an arc with the ends bent in its middle . " 2. The device according to claim 1, which is distinguished by the fact that the guide is formed by at least two planes inclined to each other, and the front edge of the head, located closer to the sole of the rail, is made with /- s excess in height relative to the sleeper of its opposite edge. ;" , Official Bulletin "Industrial Property". Book 1 "Inventions, useful models, topographies of integrated microcircuits", 2002, M 12, 15.12.2002. State Department of Intellectual Property of the Ministry of Education and Science of Ukraine. 1 - -I of 50 42) F) ime) 60 b5