Mechanical outer windshield and manufacturing method of rail vehicle

1. The present invention relates to the technical field of rail vehicle outer windshields, in particular to a mechanical outer windshield and rail vehicles.

Background technique:

2. The outer windshield of the rail vehicle is an important part of the railway passenger car, which is located between the two vehicles. Regardless of the relative position of the vehicle, the windshield keeps close contact with the vehicle to prevent wind, sand, rain, snow, dust, etc. from entering the vehicle. The windshield plays a very important role in the connection and operation of trains. Among them, the outer windshield structure makes the surface of the car body smooth and smooth, which reduces the effect of air resistance, thereby improving the influence of aerodynamic resistance during the running process of the train, which plays an important role in the safe running of the train.

3. Most of the train windshields in the prior art are made of rubber, and are divided into an outer windshield and an inner windshield. When the air resistance is large and the surface of the windshield is subjected to the pressure load, there is a pressure difference from the inside to the outside on the inside of the rubber outer windshield, and the pressure difference value increases with the increase of the vehicle speed. , it may cause damage to the outer windshield, and due to the effect of the air flow field, the inner windshield will shake when the vehicle is running at high speed, affecting the passenger comfort; at the same time, the existing train rubber windshield generally has certain gaps, which may cause damage when running at high speed. Noise interference is generated; and the rubber outer windshield must have problems such as perforation, cracking, and peeling due to the material, and the service life is short, which affects the safety of trains.

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