Rolls-Royce, a British luxury car brand, 1906 was founded in Britain. The founders of the company are Frederick Henry Royce (Henry Royce) and Charles Stuart Rawls (Charlie Rawls). Rolls-Royce cars are outstanding representatives of top-class cars, famous for their luxury in the world, and one of the main representatives of European and American cars.
It is an all-metal welded structure, which consists of chassis, side walls, roof and end walls. A metal floor is welded outside the steel skeleton. Side wall panels, roof panels and end wall panels form a closed shell with an arc at the top and a rectangle at the bottom, commonly known as a thin-walled cylinder. The inner surface of the shell is reinforced by longitudinal bars, beams and columns, and some of the steel bars are replaced by wallboard steel bars to enhance the strength and rigidity of the structure and form an integral load-bearing embedded structure.
Bus body must have good thermal insulation performance. In order to facilitate passengers to get on and off the bus, there are traffic platforms at both ends of the bus, and folding sheds and crossing boards are set at the outer ends of the traffic platforms to prevent the invasion of wind, rain and cold currents. In addition to doors and windows, seats and sleepers, the car body should also be equipped with sanitary equipment, ventilation equipment, water supply equipment, vehicle electrical equipment, heating equipment, broadcasting equipment and air conditioning equipment.