Fast snow melting device of railroad switch

Abstract

The invention relates to a snow melting device of a railroad switch, which can fast melt the ice and the snow of switch positions automatically. The snow melting device of the railroad switch is characterized by being started as required by adopting the high-frequency electromagnetic heating principle and fast melting the accumulated snow of closed switch parts, an intelligent controller is connected with an electromagnetic heater through a high-frequency current generator and a high-frequency buried cable, and a temperature sensor is installed inside the electromagnetic heater fastened on the rail waist of a basic switch rail by connecting bolts through fixing holes on the basic railroad switch rail. The fast snow melting device of the railroad switch is conveniently installed without interfering with any other electrical systems of the railroad, can quickly heat and has overtemperature protection function, short work time, high efficiency of thermal energy conversion and snow melting, and obvious energy-saving effect without being influenced external environment climate. When accumulated snow or ice dreg is left in closed switch gaps, the snow melting procedure is started to ensure that the ice and the snow of the switch positions can be fast removed, so that a switch transforming device can be closely attached normally and the railroad transportation is normal.

Description

technical field [0001] The patent of the present invention belongs to the matching device of railway transportation facilities, and relates to a rapid snow melting device for railway turnouts with the functions of automatically and quickly melting ice and snow at railway turnouts, ensuring the normal switching of switch point rails, and signal chaining in place. Background technique [0002] In most parts of our country, the railway transportation system is often plagued by ice and snow weather in winter, especially in large snowstorms, often due to untimely snow removal or incomplete snow removal, causing delays in railway transportation, outages, and even personal and safety accidents . How to timely, safely, economically and reliably remove snow from railways, especially railway turnouts, and prevent the failure of turnout devices has always been a problem that the railway transportation system attaches great importance to but is difficult to solve. The traditional snow ...

AI Technical Summary

Problems solved by technology

The traditional snow removal method is manual snow removal. Although this method is thorough in snow removal, it is time-consuming and laborious, affects the normal operation of vehicles, and is easy to cause personal safety accidents, especially at night and in remote areas. It is difficult to remove it in time. For modern railway transportation with faster and faster locomotives and higher frequency of trains, it is really a tumor that affects safe and punctual operation.

At present, in addition to artificial snow removal, there are also methods such as chemical snow melting, mechanical shielding snow prevention, high-pressure air blowing snow melting and electric heating snow melting. Most of these methods are due to many reasons such as immature technology, complicated installation, unreliability, and high energy consumption. Unable to carry out large-scale promotion and application

After retrieval of Chinese patents ZL200620078348 and ZL200520092446, all of them disclose the technical solutions of using electric heating device to melt snow, but their common problems are: 1. The electric heating tube or electric heating belt used for electric heating device snow melting are all resistance wires with external sleeves It is made with low power and slow temperature rise. It needs to be preheated in advance, and it has been in the heating state for several hours after the snowing process and the snow stops. The power consumption is too large, resulting in a serious waste of energy; 2. The electric heating of all switches The devices are basically started and working at the same time, occupying a considerable power supply capacity, which requires the station to expand the power supply capacity

Thereby the existing technical scheme that adopts electric heating device to melt snow cannot carry out large-scale popularization and application

Images