Coupling is a coupling of locomotive and car parts, commonly used have a linkbolt and rotary chain, large car adopts automatic coupling with both buffer action.
联接器是联接机车和矿车的部件，常用的有插销链环和回转链，大型矿车采用兼具缓冲器作用的自动车钩。
2
Safe, using standard five-bolt with three-link electronic lock cylinder made of stainless steel.
配置标准防盗五锁舌三连动电子不锈钢锁芯，安全可靠。
3
First confirmation of welding cable clamp and copper ears have reliable connectivity, will bolt copper ears, and welder polarity "-" reliable output link.