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一般常用的拖曳电缆是跟随采煤机后面被拖曳着,因此在安全性与灵活性方面都存在问题。在采煤机的无链牵引系统中,由于齿轨与卷缆装置一起都并列地布置在溜槽的采空侧槽帮的一边(齿轨比卷缆装置靠近槽帮),使煤壁前的无支柱控顶距增加;而且两者靠得很近,在运行方面与清除堆积在上面的煤
Traditionally used tow cables are towed behind the shearer so there is a problem with both safety and flexibility. In the chainless traction system of a coal shearer, since the rack and the cable winding device are both arranged side by side on the side of the gob-side slotted slot of the chute (the rack is closer to the slot than the cable winding device), the front No strut crown control to increase; and the two close, in operation and clear the accumulation of coal