1, let students familiar with the industrial commonly used sidewalk escalators working principle, structure composition, low-voltage electrical structure and principles. 2, through the analysis of electrical schematics, students with the help of schematic analysis, master the safety protection and working form of elevators, and through analysis and measurement, to find out the location of fault points, a deep understanding of the operation of elevators. 3, improve the actual hands-on analysis ability of students, and actually improve the level of skill operation. 4, through the analysis and elimination of elevator faults, to complete the common elevator fault cognition and understanding. 5, through the PLC host programming, understand the PLC program programming principles and methods. 6, escalator safety operation and use of practical training 7, rung disassembly operation and practical training 8, comb plate adjustment and practical training 9, armrest belt tension adjustment and practical training 10, rung chain tension adjustment and practical training 11, brake adjustment and practical training 12, maintenance before the safety knowledge operation and practical training Daily maintenance 13, escalator emergency rescue 14, escalator safety circuit fault finding and troubleshooting practical training 15, escalator access circuit fault finding and troubleshooting training 16, escalator safety monitoring circuit fault finding and troubleshooting training 17, escalator power circuit fault finding and troubleshooting practical training 18, escalator control circuit fault finding and troubleshooting training
