1, escalator armrest installation and adjustment of practical training equipment 2, ladder ladder installation and adjustment of practical training equipment 3, escalator traction machine system installation and adjustment of practical training equipment 4, ladder drive mechanism installation and adjustment of practical training equipment 5, escalator mechanical anti-reversal system, electrical anti-reversal system installation and commissioning training equipment 6, ladder lubrication system assembly and experimental training equipment 7, ladder safety protection system assembly and action experiment training equipment.