Cranes And Hoists Flashcards
What are the two basic types of cranes?
- Hydraulic
- Conventional
What type of crane is this?
What unique qualities does it have?
- Industrial Crane
- Front and rear wheel steering (can crab walk)
What type of crane is this?
Rough Terrain Crane
What type of Crane is this?
Carrier-Mounted Telescopic Boom Crane
What type of crane is this?
Carrier-Mounted Lattice Boom Crane
What type of crane is this?
Crawler-Mounted Lattice Boom Crane
What is Blocking?
Material that you place under the floats to increase the support area
What are these called?
Outrigger Floats
What must Outrigger Floats be used with?
Blocking
What is a cranes boom subjected to if not leveled before lifting?
Side Loading
What is a Stabilizer with regard to cranes?
A hinged or telescopicing leg that is lowered to the ground to support the truck or crane carrier.
What is a outrigger?
A telescoping horizontal beam to which a vertical hydraulic cylinder with a pad (float) is attacked.
What is an “On Rubber Crane”
A crane that remains on its tires.
What is a Fulcrum?
The tipping axis of an object.
What is Sweep Area?
The total area a cranes boom can swing over.
Where is the most dangerous position of the boom when lifting?
Over one outrigger (over one corner)
