SU703618A1 - Method of eliminating temperature strain in rail lengths of jointless track - Google Patents

Description

(54) METHOD FOR DISCHARGING TEMPERATURE STRESSES IN RAIL STRETCHES OF THE UNTILED PATHWARE WITH ZHB TYPE STRIPS

The invention relates to methods for discharging temperature stresses in rail lashes of a continuous junction with non-erasable fastening of RC type without interruption in train traffic and can be used on main railway lines as well as on railway access roads of industrial enterprises .J.

, Discharge is required when laying the maintenance and repair of a continuous, path for securing rail lashes to a constant temperature regime of operation. .

There is a known method for discharging thermal stresses in railways / planes of bifurcated tracks with RC-type fasteners, which means that it replaces equalizing rails, loosening the nuts of the fixing bolts, striking the rails and fixing the nuts of the extension bolts. .

According to the current technological process for the discharge of temperature stresses in the lambs of the continuous path at the work front in 825 linear meters. A 3-hour window is required. At a constant

the increasing traffic intensity of the train

windows

relics

temperature stress is almost impossible. . :

There is a known method of discharging temperature loads} (a very inefficient, since fie can be used when skipping trains.

0

The purpose of the invention is to increase the efficiency of the method.

To do this, after loosening the nuts of the fixing bolts on each of the fifth sleeper, under the terminal, install the optical bracket and the nuts of the fixing bolts on these terminals: clamping.

The proposed method of discharging temperature on: Strain in rail rags x1: the correct way with 0 fasteners of RC type is to replace the balancing: rails at the site of work, then loosen the nuts of the fixing bolts on each polupleti, each p the sleeper whip

Claims (1)

5, brackets are installed under the branches of the terminals, after which nuts. Mortgage bolts on these cross ties are tightened and the pressure is discharged by the existing method (affecting the whip with impact or hydroelectric devices), followed by removing the shaped braces and securing the rail lashes using the terminals. The dimensions of the shaped bracket are selected so that when the fixing bolt nut is tightened, the upper branch of the terminal does not press against the upper part of the rail foot: the side face of the shaped brace, together with the lower branch of the terminal, limits the horizontal transverse movement of the slopes, rel. Thus, the rail is able to move freely only in the longitudinal direction. The passage of trains during the production of works contributes to a more complete relief of stresses. Trains At the work site are skipped at a speed of up to 15 km / h. Using the invention will allow you to perform these works at any time without interruption in train diving, which will significantly reduce the costs of operating the jointless track, increase throughput, in the section being repaired. Claims The method of discharging thermal stresses in rail lashes of a continuous joint with reinforcement of type ZHB, consists in replacing the balance rails, loosening the nuts of the fixing bolts, impacting the rail lashes and tightening the backward nuts. bolts, characterized in that, in order to increase its efficiency, after loosening the nuts of the fixing bolts, on each FIFTH sleeper, a figure brace is installed under the terminal and the nuts of the fixing bolts on these terminals are tightened. Sources of information taken into account in the examination 1. Technological processes of repair of the continuous junction on reinforced concrete sleepers, approved. General Directorate of the way MPS, M ,, Transport, 1973, p. 314-31 (prototype).