计轴自动站间闭塞是由64D型半自动闭塞改造升级的一种闭塞方式,与集中联锁设备结合使用,采用计轴轨道检查装置自动检查区间空闲,发车站办理发车进路后自动构成站间闭塞,列车到达接车站并出清区间后自动解除闭塞。 Automatic axis counting occlusion is a type of occlusion modified and upgraded by 64D semi-automatic occlusion. Combined with the centralized interlocking device, the automatic counting interval is automatically checked by the axle counting orbit checking device, and the station automatically forms the station after it starts the approach Blocked, the train arrived at the station and clear the interval automatically lift the block.