Electric hoist with top rushing prevention and limiting functions

An electric hoist with an anti-top-rushing limiting function comprises a shell, a winding drum is rotationally connected into the shell, a steel wire rope is wound on the winding drum, a lifting hook assembly is installed at the free end of the steel wire rope, an installation plate is detachably fixed to the bottom of the shell, and a buffer plate is detachably installed below the installation plate. A plurality of mounting strips are detachably mounted at the top of the buffer plate, a plurality of spaced first springs are mounted at the tops of the mounting strips, and gaps are formed between the first springs and the mounting plate; the buffer plate comprises two symmetrical splicing plates, the inner sides of the two splicing plates are attached, vertical connecting rods are fixed to the tops of the splicing plates, sliding strips are fixed to the tops of the connecting rods, sliding grooves corresponding to the sliding strips are formed in the side faces of the mounting plate, gaps are formed between th