In recent years,with the rapid development of urban rail transit in our country,metro vehicles have become the most common travel mode for urban population,the running safety and comfort of subway vehi-cles have been paid more and more attention.The equipment under the rail vehicle mainly includes traction sys-tem equipment,braking system equipment and signal equipment.These devices play a crucial role in the opera-tion of the vehicle,so its installation structure is also a technical indicator that urban rail vehicles need to focus on.Based on the consideration of the safety performance of the installation of off-vehicle equipment,this paper explores the installation structure of the off-vehicle equipment of urban rail vehicles.The weight of the off-vehi-cle traction equipment is generally large,and its installation reliability directly affects the on-vehicle installation,which is very important.The conventional subway project has not carried out the anti-slip design of the equip-ment mounting seat.After observation,it is found that the space in the middle area of the equipment mounting seat is abundant,so it is designed in this area to achieve the anti-trip function,which has guiding significance for the improvement of the anti-trip performance of the equipment installation under the urban rail vehicle.
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