Elevator & Its working principle

types of elevator, working principle, safety

1. The Elevator & Its Working Principle Instructor: Rethwan Faiz Group member: Rahman, Ahmed Rezaur – 14-25536-1 Atik , Md Ataul Karim – 14-25862-1 ALI, Md. Niyamot - 14-26531-2 Hasan, Md. Mehedi - 14-26521-2 Hossain, Md. Saroar - 14-27032-2

2. Topic to be discussed: Types of elevator Elevator working principle Switching of elevator Latest & upcoming features of elevator Safety

3. Types of Elevator: According to: Hoist Mechanism Building Height Building Types Elevator Location Special Uses

4. According to hoist mechanism elevators is classified to 4 main types as follows:- 1.Hydraulic Elevetor   2.Traction/pulley Elevetor 3.Climbing Elevetor 4.Pneumatic Elevetor

5. According to building height A- Low-Rise buildings (1- 3 stories):- Buildings up to about (1 to 3) stories typically use hydraulic elevators because of their lower initial cost  B- Mid-Rise buildings (4 -11 stories):- Buildings up to about (4 to 11) stories typically use Geared Traction Elevators  C- High-Rise buildings (12 + stories):- Buildings up to about 12+ stories typically use Gear-Less Traction Elevators 

6. 3. According to building types Elevators will be classified according to building type to 5 main types as follows:  1.Hospital elevetors . 2. Residencial /domestic elevetors . 3.Industrial elevetors . 4.Commercial elevetors . 5.Parking buildings elevators.

7. According to elevator location :- Outdoor Elevator (Inclined elevetor ) Platform elevator

8. Accoring to special uses:- It is of two types- Handicapped elevator Grain elevator

9. How it works: Electric motor lift car

10. switching of elevator: The block diagram of switching control

11. Component used in the circuit: 7485 comparator 74190 decade counter 7447 decoder A 7 segment display

12. Circuit diagram:

13. Elevator Safety Rules Watch Your Step Entering & Exiting – Look D0WN Leave Closing Doors Alone Never Enter an Elevator with A Suspicious Looking Person Inside

14. Elevator Safety Trips Approaching Elevators

15. Elevator Safety Reminder Elevators are mechanical devices – The majority of the elevator-related injuries and fatalities have occurred when passengers attempt to override the mechanical and safety devices of the elevator.

16. Thank you