Terminal braking device

The invention discloses a terminal braking device, and belongs to the technical field of mechanical equipment braking. The terminal braking device comprises a terminal base, a brake drum, a first brake shoe block, a second brake shoe block, a shoe block support, a rotary driving source and a wedge block rod, wherein the shoe block support is mounted on the terminal base; the first brake shoe block and the second brake shoe block are symmetrically arranged; one ends of the same sides of the two brake shoe blocks are rotating ends, and the other ends of the same sides of the two brake shoe blocks are stressed ends; the rotating ends of the two brake shoe blocks are rotatably arranged on the shoe block support through rotating shaft structures respectively; the wedge block rod penetrates through a through hole of the shoe block support and can rotate, a distance expanding structure is arranged at one end of the wedge block rod and located in a gap between the stress ends of the two brake shoe blocks, and the oth