Elevators And Escalators

Transport of samples from the first to the second floor with triple security control.

1. The structure and working principle of hydraulic transmission and components; 2. Demonstration control experiment of hydraulic bulldozing machinery; 3. Demonstration control experiment of hydraulic bulldozer 4. Shoveling action of hydraulic bulldozer; 5. Earth-moving action of hydraulic bulldozer; 6. Unloading action of hydraulic bulldozer; 7. The hydraulic bulldozer returns when it is empty;

1, sensor detection 2, the basic use of the drive 3, timer instructions 4, mathematical instructions 5, high-speed counter 6, car automatic switch door control 7, elevator simulation run call indication driver 8, floor display 9, door machine torque safety protection 10, hall door security control 11, elevator terminal switch protection 12, elevator lift deceleration control 13, the use of photoelectric encoder positioning

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

1, to understand the structure of escalators, tightening device, rungs, ladder rails, armrest straps, traction chain, comb plate, drive device and other major components name and role. 2, to understand the role of escalator installation protection device, installation position includes: traction chain break protection device, armrest belt entrance safety protection device, ladder subsidence protection device, drive chain break protection device, armrest belt break protection device, brake, mechanical locking device. 3, the basic safety operation and use of escalators; 4, rung disassembly operation; 5, comb plate adjustment; 6, comb cutting-edge plate adjustment; 7, armrest tight adjustment; 8, the adjustment of rung chain tension; 9, the adjustment of the drive chain; 10, escalator anti-reversal mechanical experiments; 11, upper and lower traction chain safety experiments 12, host chain-breaking safety experiments

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.