上管机设备：上管机在一步法设备中主要起到上管的作用，机组运行时通过变频调速，可以实现多段速运行，快速追管，与拨管器配套使用可以实现快速上管。Pipe loading machine: the pipe loading machine mainly plays the role of pipe loading in the one-step production line. When the unit is running, it can realize multi-stage speed operation and fast pipe tracking through frequency conversion and speed regulation. It can realize fast pipe loading when used together with the pipe s