General bus grounding trolley and method for switch cabinet

The invention provides a switch cabinet universal bus grounding trolley and method. The switch cabinet universal bus grounding trolley comprises a trolley body and a grounding device. A mounting plate is arranged in the trolley body, a plurality of mounting grooves arranged in an array mode are formed in the mounting plate, the mounting grooves are used for containing grounding devices of different specifications and models, and each grounding device comprises a moving contact, a contact arm, a cable and a handcart grounding bar which are connected in sequence; according to the trolley, the bus grounding function is achieved through meshing of the movable contact and the static contact, the push plates of various schemes are arranged to adapt to copper cables of different manufacturers and different lengths to adapt to different heights, the universal bus grounding trolley for the KYN28A-12kV switch cabinet is achieved, the operation mode is more portable and flexible, use is faster and more accurate, and the