Charging device and charging method for current measuring trolley

The invention provides a charging device for a current measuring trolley. The charging device comprises a charging pile, a charging end, a limiting mechanism and a controller. The charging pile is installed at the position, close to a river bank, of an inhaul cable and comprises a base, an elastic mechanism, a damper, a first installation plate, a second installation plate, a connecting block, a first electrode base and a charging pile electrode; the damper is mounted on the second installation plate, and the extension direction of the damper is consistent with that of the inhaul cable; the first installation plate is mounted on the back surface of the first electrode base through the elastic mechanism; the charging end is installed at the tail end of the current measuring trolley. The limiting mechanism comprises an in-situ switch installed at the tail end of the current measuring trolley and an in-situ check block installed on the base. According to the invention, the requirement of the current measuring tr