Wind resistance of Qingdao tarpaulin

Qingdao tarpaulin is an auxiliary appliance for railway freight cars, which is mainly used for wet and flammable goods shipped in thatch-covered gondolas. Since the 1990s, Qingdao tarpaulins have been used in railway transportation.

        In recent years, in order to meet the needs of large-scale speed increase of passenger and freight trains, the Ministry of Railways has developed D-type tarpaulins and tarpaulin rope nets using new technologies and new materials, and each car has a thatch cover. In order to test the technical performance of D-type tarpaulin and X-type tarpaulin, analyze the use effect of rope nets and elastic ropes, put forward technical indicators that meet the requirements of transportation safety, and improve the organization method of railway traffic under strong wind conditions, the Ministry of Railways organized the development of strong wind conditions. Under the truck tarpaulin, tarpaulin rope and rope net test. 1. Overview of the tarpaulin test under strong wind conditions The aerodynamic research of the freight car shows that the aerodynamic effect of the vehicle is most prominent under three conditions, namely, the freight train runs and meets at high speed in the tunnel, passes through the strong wind area, and meets the high-speed passenger train. When the truck tarpaulin, tarpaulin ropes and rope nets are the most unfavorable.

         For open cars, there are a wide variety of loaded goods and various loading methods (such as whether to overtake a car or not) directly affect the stress state of the tarpaulin, Qingdao tarpaulin ropes and rope nets produced by the tarpaulin factory, and may occur during the high-speed operation of the train. The loading state of the cargo will change due to cargo settlement and other reasons, thus affecting the force of the tarpaulin, tarpaulin ropes and rope nets.