Introduction to Cranes

1
Introduction to Cranes

• Category Crawler Cranes
• Manufacturer Terex American
• Max. lifting capacity 60 t (54.4 mt)
• Max. main boom length 48.8 m
• Max. lift crane boom jib length
• 39.612.2 m
• Max single line pull 14, 697 kg

2
Introduction to Cranes

• Category Lattice Boom Cranes
• Manufacturer Terex Demag
• Max. lifting capacity at 22m radius
• 1600 t
• Max. boom length 234 m
• Max. line pull 545 kN
• Max. counterweight central ballast
• 470 t 160 t

3
Our First Crane
4
Free Body Diagram
F
F
W
?
O
5
Determine Minimum F
6
Relative Error
7
Tower Crane
8
Tower Crane Photos
9
Our Tower Crane
10
Find W and x Mathematically
11
Locate Gravity Center
12
A New Model of Tower Crane