Scale mobile device of making a video recording

The utility model belongs to the technical field of the cutting of continuous casting billet scale, a scale mobile device of making a video recording is disclosed, include: platform, guide unit, drive unit and detecting element, drive unit is used for driving the platform is followed guide unit removes, detecting element is fixed in on the platform, guide unit includes two piece at least parallel arrangement's optical axis, the platform below is connected with a plurality of gyro wheels, the gyro wheel with optical axis roll connection. The utility model discloses an adopt gyro wheel and optical axis matched with structure to lead to the platform, the gyro wheel be clearance fit with the optical axis, and is great even the on -the -spot dust of casting blank cutting is measured, also can not influence the removal of platform, and guide unit requires lowerly to operational environment's, and adaptability is strong, can extensively use widely, can reduce detecting element's quantity, lowering system cost.