Novel barrier machine core

The utility model discloses a novel barrier machine core. The device comprises a metal plate bracket, a driving connecting rod mechanism, a connecting rod driving motor, a handrail swing arm, a handrail swing arm fixing shaft and a motor cooling fan, a fixed shaft mounting plate is arranged on each of two sides of the top surface of the metal plate bracket; the two fixed shaft mounting plates aresymmetrically arranged and are integrally formed with the metal plate bracket; a mounting hole is formed in the fixed shaft mounting plate; the handrail swing arm fixing shaft penetrates through the two mounting holes and is mounted between the two fixing shaft mounting plates; the handrail swing arm is fixed to the surface of the handrail swing arm fixing shaft in a sleeving mode. The handrail swing arm is installed between the two fixing shaft installation plates, a driving connecting rod mechanism is installed at one end of a handrail swing arm fixing shaft, a connecting rod driving motor is installed on one side o