What are the elevator manufacturer precautions for designing Elevators?
What would be an ideal response?
1. Elevator control system: PLC computer control.2. Elevator traction machine: worm gear transmission debris elevator dedicated traction machine.3. Miscellaneous elevator guide rail: The main guide rail adopts special cold-drawn T-type solid rail for elevator.4. Elevator door slide: homemade galvanized material.5. Elevator lift guide shoes: regular elevator dedicated sliding guide shoes.6. Elevator car, hall door, door cover: imported hairline stainless steel.7. Miscellaneous elevator call panel: aluminum alloy panel, light touch button, LED digital display, switch door status indication, station beep prompt.8. Elevator level: elevator special permanent magnet sensor.9. Elevator buffer: polyurethane buffer.10. Elevator electrical switch: elevator-specific electrical switch in line with national standards.11. Elevator door mechanical lock: debris elevator dedicated hall door mechanical lock.12. Elevator repair box: configure the machine room repair box, the bottom of the emergency stop switch box.13. Elevator shaft cable: RVV multi-core multi-color sheathed cable.14. Elevator derrick material: steel plate, steel combination.
You might also like to view...
The U.S. Customary unit of measurement may be given as a common or decimal fraction, but the common fraction is preferred.
Answer the following statement true (T) or false (F)
¿Cuántas secciones de tres pies (0,91 m) de aislamiento para tuberías se necesitan para aislar 420 pies (128,02 m) de tubería?
a. 100 b. 160 c. 140 d. 420
Technician a says that anyone servicing MVAC systems for hire must be trained and certified. Technician b says that each piece of refrigerant handling equipment that is used to service motor vehicle air conditioners must be approved and certified. Who is right?
A) A only B) B only C) Both A and B D) Neither A or B
Which of the following transmission gear ratios would permit the greatest torque output to the drivetrain?
A. 5.36 : 1 B. 2.32 : 1 C. 1 : 1 D. 0.66 : 1