X6A、X6B型集装箱专用平车采用了旋转链式手制动机 ,在运用中发现有以下问题 :( 1)手制动机的工作者在使用后 ,未使其恢复正确位置 (向车钩方向旋转 ,并平稳地放置在手制动轴托架上 ,插入插销 ,锁定位置 ) ,而使手制动轴与手轮向外侧放置 ,手制动轴搭在脚踏板外侧边缘 ,手制动 X6A, X6B-type containers for flat car using a rotating chain hand brake, found in the use of the following problems: (1) hand brake work in use, did not make it to restore the correct position (to the direction of the coupler Rotate, and place it on the handbrake shaft bracket smoothly, insert the pin and lock the position), and put the hand brake shaft and the hand wheel to the outside, the hand brake shaft is put on the outer edge of the pedal, and the hand brake