制动梁是制动系统关键部件,随着铁路货车重载、提速的不断发展,列车在运行中冲击较大,制动频繁。原槽钢弓形杆制动梁因结构、刚性等问题在使用中故障率较高,已不适应铁路运输的发展。为适应铁路货车快速重载的需求,齐齐哈尔轨道交通有限公司借鉴美国AAR技术标准研发了L-B型制动 Brake beam brake system is a key component, with the railway truck overloaded, speeding the continuous development of the train in the operation of a larger impact, frequent braking. The original channel bow beam brake beam due to the structure, rigidity and other issues in use with a higher failure rate, has not adapted to the development of railway transport. In order to meet the needs of rapid reloading of railway wagons, Qiqihar Railway Co., Ltd. developed the L-B type braking system by drawing on the technical standards of the U.S. AAR