Novel auxiliary frame cross beam

The utility model discloses a novel auxiliary frame cross beam which comprises connecting supports located at the two ends of a cross beam body, each connecting support comprises a first support plate, a second support plate and a third support plate which are arranged in an overlapped mode, and the first support plate and the second support plate form a first opening and are provided with a first supporting plate. And the second bracket plate and the third bracket plate form a second opening and are provided with a second supporting plate. According to the utility model, the capability of providing modal reinforcement and strength reinforcement for the auxiliary frame and other parts can be effectively improved, so that vibration and noise are effectively prevented from entering a carriage, and the riding comfort is improved. 本实用新型公开了一种新型副车架横梁，包括位于横梁本体两端的连接支架，所述连接支架包括重叠设置的第一支架板、第二支架板、第三支架板，所述第一支架板与第二支架板形成第一开档口且设有第一支撑板，所述第二支架板与第三支架板形成第二开档口且设有第二支撑板。本实用新型能够有效提高为副车架及其他零部件提供的模态加强及强度加强的能力，进而有效阻隔振动和噪声进入车厢，提高乘坐的舒适度。