Rollover prevention device for high-speed data line cabling

The invention discloses a rollover prevention device for high-speed data line cabling. The rollover prevention device comprises a movable supporting rod, a first support and a guide wheel fixing disc with a though hole are positioned at two upper ends of the movable supporting rod respectively, a line passing disc is mounted on the outer side of the guide wheel fixing disc through a connecting rod, one end of a fixed supporting rod is fixed in the middle of the inner side of the guide wheel fixing disc, the other end of the fixed supporting rod is vertically provided with a second support, a first pressing wheel and a first guide wheel with a groove are parallelly mounted at the upper end of the inner side of the guide wheel fixing disc, a second pressing wheel and a second guide wheel with a groove are parallelly mounted at the upper end of the second support, a middle guide wheel with a groove is positioned between the guide wheel fixing disc and the second support and is vertically mounted on the fixed sup