What kind of structure is a crane?
Tower cranes and communication towers are examples of frame structures. Frames are made from bars joined together to form a ‘framework’. This is one of the most economical ways of building structures. Some modern buildings have a frame structure which can only be seen during construction.
Who is responsible for crane accidents?
The crane operator is responsible to control the crane efficiently and follows the provided safety guidelines. Loss of life, injury, and property damages are the consequences that will happen if the requirements and procedures for crane handling are not properly done.
What are the 3 basic components of an overhead crane?
The principal parts of overhead traveling cranes are: bridge girders, end trucks, trolley with hoisting mechanism, an operator’s cab or pendant control.
What is girder in crane?
A crane girder is a preformed metal beam on which the crab or hoist head of a traveling overhead crane runs. Such girders are typically “I” profile beams that may be reinforced at various points depending on the loads and crane configuration involved.
Why are cranes called cranes?
Etymology. Cranes were so called from the resemblance to the long neck of the bird, cf. Ancient Greek: γερανός, French grue.
What are the specifications of a crane?
Specifications Cranes require separate values for bridge and hoist speed and acceleration. You must enter Speed (Empty), Speed (Full), and Accelerate and Decelerate values for bridge movement along the rails and hoist movement across the bridge.
What are crane operators called?
Crane operators, like other heavy equipment operators, know a great deal about different machines and different kinds of construction. Operators are sometimes called operating engineers. Some work as tower operators and hoist and winch operators. There are several types of cranes.