Light-weight flat car with bottom plate of double-layer structure

• Main Author: QI YUANZHENG
• Format: Patent
• Language: Chinese; English
• Published: 06.01.2023
• Subjects: HAND-PROPELLED VEHICLES, e.g. HAND CARTS, PERAMBULATORS; LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS; PERFORMING OPERATIONS; SLEDGES; TRANSPORTING

The utility model discloses a bottom plate double-layer structure light weight flat car which comprises a car bottom plate, a handrail and walking wheels are arranged on the car bottom plate, the car bottom plate comprises an upper bottom plate and a lower bottom plate which are stacked up and down, the upper bottom plate and the lower bottom plate are detachably connected, and after the upper bottom plate and the lower bottom plate are stacked, a cavity area and an attaching area are formed between the upper bottom plate and the lower bottom plate. In addition, the upper bottom plate and the lower bottom plate can form a reinforcing rib structure by arranging a plurality of protrusions or grooves. According to the flat car, a single-bottom-plate structure of a traditional flat car is improved into a double-bottom-plate structure, the cavity area and the attaching area are formed between the double bottom plates in an upward-convex or downward-concave mode, an acting point after stress can be provided, and th