Can the projector bracket be equipped with high-speed rail?

This shelf can be lifted no more than two meters! Provisions for carrying luggage and parcels on passenger trains (including high-speed trains and bullet trains): Adult passengers carry 20 kilograms of articles free of charge. Child passenger 10 kg. The total length, width and height of each article shall not exceed 160 cm, and the dry articles shall not exceed 200 cm, but shall not exceed 160 cm on the EMU train. The weight does not exceed 20 kilograms.