制动轮是桥门式起重机上一个极其重要的零件,它是保证起重机安全运行的重要部件。制动轮的材质以及加工、装配的质量,直接关系到起重机的运行性能和安全性能。由制动轮引起的人身伤亡事故已有报道:2003年7月6日晚,某钢铁集团公司一炼钢检修车间一台80t桥式起重机在松动主钩抱闸将空钢水包落地过程中,制动轮及闸瓦突然崩裂,将一人击伤,抢救无效死亡。其他2人受伤,直接经济损失7万元,2台制动器损坏。 The brake wheel is an extremely important part on the bridge crane, which is an important component to ensure the safe operation of the crane. The material of the brake wheel, as well as the quality of processing and assembly, are directly related to the operation performance and safety performance of the crane. Accidental deaths caused by brake wheels have been reported: On the evening of July 6, 2003, an 80t overhead crane at a steelworks overhaul workshop of an iron and steel group company, Brake wheels and brake shoes suddenly cracked, one wounded, rescue dead. Two other people were injured, direct economic loss of 70,000 yuan, 2 sets of brakes damaged.