Edited by Rowena Davis

Part II

Equipment Overview

Cranes and aerial lifts are made in a variety of models.

See Illustrations 1-10 for cranes.

Cranes²

² All crane images reproduced from Crane Hazards and Their Prevention, David MacCollum, American Society of Safety Engineers, 1993, which obtained permission for use of these illustrations from the American National Standards Institute (ANSI).

Latticework Fixed-Boom Crane

Mounted on Truck, Rails or Crawler

1. Cab
2. Boom Stops
3. Hoist Line
4. Heache Ball
5. Hoist Line Block
6. Anti-Two-Blocking Sensor
7. Boom Pin-Up guys
8. Linkage Suitable for Shorter Boom Lengths
9. Linkage Suitable for Shorter Boom Lengths
10. Linkage Suitable for Shorter Boom Lengths
11. Removable Boom Section
12. Counter-weight
13. Outriggers
14. "A" -frame

Illustration 2 Hydraulic Telescoping Boom Crane

Rough-Terrain or "Cherry Picker"

1. Four-wheeled Drive and Steer
2. Cab
3. Hoist LIne
4. Outriggers
5. Hydraulic Ram for Raising and Lowering Boom
6. Boom Rest for Trucking Mode (may be lowered when not in use)

Pertinent ANSI standards provide additional detailed illustrations of the various case configurations.

Illustration 3 Truck-Mounted Hydraulic Boom Crane

Illustration 4 Flatbed Pedestal Hydraulic Boom

Illustration 5 Articulate Boom Cranes

ANSI B30.22-1981
Authored by ASME

Illustration 6 Trolley Boom Cranes

Fixed Boom

Illustration 7 Bridge Cranes : Overhead-Track Mounted Cranes

Gantry	Overhead Traveling
Semi-Gantry	Wall
Cantilever Gantry

ANSI B30.2-1967
Authored ASME

Illustration 8 Tower Cranes : Track-Mounted Fixed-Boom Cranes

Hammerhead

Tower

Portal

Illustration 9 Hammerhead Tower Cranes

Illustration 10 Straddle Crane : Wheel-Mounted Straddle Lift

Aerial Lifts

Aerial lifts are of many types:

• Truck-mounted rotating
  • Articulating and telescoping boom
  • Articulating boom
  • Telescoping boom (Illustration 14)
    
    
• Self propelled
  • Articulating and telescoping boom (Illustration 11) • Articulating boom (Illustration 12) • Self propelled scissor lifts (Illustration 13)

Illustration 11 Self Propelled Aerial Lift: Articulate Telescoping Boom

Illustration 12 Articulate Self- Propelled Outrigger

Illustration 13 Scissor Lift

Illustration 14 Truck Mounted Telescoping Boom (also may be self-propelled)