The sealing and waterproof performance of wing opening carriages (also known as wing opening box cars or wing opening box cars) is one of their very important characteristics in logistics transportation. The following is a detailed analysis of the sealing and waterproof performance of the wing opening carriage:

　　Sealing performance

1. Structural design: The design of the wing opening carriage emphasizes sealing, and high-quality sealing strips are installed between the side panel vertical frame and the column, as well as between the wing panel and the front and rear panels. These sealing strips are tightly fitted, effectively preventing the intrusion of external air, dust, and other impurities, ensuring the cleanliness of the interior of the carriage and the safety of the goods.

　　2. Material selection: The cabin material is usually made of excellent materials that are corrosion-resistant and aging resistant. These materials not only have good physical properties, but also can maintain stable sealing effect during long-term use.

　　3. Manufacturing process: Advanced riveting and welding techniques are used in the manufacturing process to ensure tight and seamless connections between various components, thereby improving the sealing performance of the entire cabin.

　　Waterproof performance

　　1. Rainproof canopy: The top of the winged carriage is equipped with a rainproof canopy, which is fixed to the roof panel by riveting, forming a reliable waterproof layer. Even in harsh rainy conditions, it can effectively prevent rainwater from seeping into the interior of the carriage.

　　2. Drainage design: There are also drainage facilities such as drainage channels or backflow channels inside the carriage, which can quickly guide rainwater and other liquids to flow out of the carriage, avoiding damage to the goods caused by accumulated water.

　　3. Double insurance: In order to further improve waterproof performance, the wing opening carriage also adopts the method of double insurance of partitions and rubber strips. Set up partitions at the seams of the carriage and seal them with sealing strips to ensure good waterproofing even under extreme weather conditions.

　　In summary, the wing opening carriage performs well in terms of sealing and waterproof performance. Through multiple measures such as reasonable structural design, excellent material selection, advanced manufacturing technology, and perfect drainage design, it ensures the dryness, cleanliness, and safety of the interior environment of the carriage. These characteristics make winged carriages have broad application prospects and market demand in the field of logistics transportation.