At present, the design and manufacture of cold rolling machine and machine work Roll changing devices adopt simple roll changing or fast roll changing two ways. The main body of the roll changing device is car type structure. According to the transmission of the roll changer It can be divided into hydraulic transmission, motor drive and crane lifting Kind of way. Due to its low degree of automation, Roll change time has been eliminated; Hydraulic or motor driven replacement Roller device, not only need to lay the corresponding hydraulic pipeline and cable, And need to occupy a large space for parking equipment.
The device consists of two parts: push and pull device and lifting track device Grouped into. The push and pull device is installed on the drive side of the rolling mill, and the track is raised The dropping device is arranged in the pit on the operating side of the rolling mill.
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