The tankhouse crane and grab consists of a set of crane special for electrolysis shop，a set of specail hoist and a serial of electric control units，which was used to put in and take out a whole set of anode&cathod plates from electrolytic cells，attached with a 3 ton hoist for daily lifting operation.

The electrolytic dedicated vehicle adopts laser ranging, coding with coarse positioning, and precise positioning with positioning needles; The design control accuracy is ± 10mm, and it can actually reach ± 2mm. The crane lifting device can automatically switch to lift the anode plate, cathode plate, or anode and cathode plate together, with precise grasping and stable operation.