Novel double-layer wind barrier in heavy sandstorm environment

Abstract

The invention discloses a novel double-layer wind barrier in a heavy sandstorm environment. The novel double-layer wind barrier comprises fixed seats, shutter type windproof fence upright posts are fixedly arranged at the tops of the two groups of fixed seats, and one side of each shutter type windproof fence upright post is fixedly connected with a hole grid type windproof fence U-shaped uprightpost; hole grid type windproof fences are fixedly installed between the hole grid type windproof grid U-shaped upright posts and the shutter type windproof fence upright posts, a double-shaft motor isfixedly installed between the bottoms of the shutter type windproof fence upright posts, a plurality of chain wheels are sequentially arranged in the two groups of shutter type windproof fence upright posts from top to bottom, shutter type windproof fence blades are arranged on one sides of the chain wheels, and chains are arranged on the surfaces of the chain wheels. The invention relates to thetechnical field of railway wind prevention. According to the novel double-layer wind barrier in the heavy sandstorm environment, the wind direction can be changed, the wind speed can be effectively reduced, sand grains can be blocked, and the sandstorm-proof performance of the wind barrier is improved through the cooperative use of the hole grid type windproof fences and a number of shutter typewindproof fence blades.

Description

technical field [0001] The invention relates to the technical field of railway wind protection, in particular to a novel double-layer wind barrier in a windy sand environment. Background technique [0002] In the windy and sandy environment, the length of the Rulan-Xinjiang Railway passing through the four major wind zones of Yandun, Baili, Sansili and Dabancheng is 462.4km, accounting for 26% of the total length of the line. Among them, the hundred-mile wind area and the thirty-mile wind area are the biggest wind damage areas. The strong wind has the characteristics of high wind speed, long wind period, strong seasonality, stable wind direction, and fast wind. The strong wind can easily cause trains to overturn and stop Transportation, track sand accumulation, damage to train components, many days of speed limit and increased scheduling difficulty seriously affect the safe operation of railways. From 1960 to 1993, there were 13 accidents involving trains overturned by stro...

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