Stork tower derrick

Stork tower derrick or equipped with

cables and pulleys used to lift and lower

material. They are often used in construction

industry and in manufacturing heavy equipment.

Cranes for construction is usually temporary

arrangements, or fixed on the ground

A specially designed vehicle.

It can be controlled by an operator

A mobile crane cab by pressing

The button control station, or the nature of the radio

control. The crane operator is ultimately responsible

for the safety of the crews and the crane.

Stork tower derrick

Medieval cranes

the Middle Ages and was used to make

cathedrals of Europe. The crane is attached to the top

The wall, built and

driven by men who walked on two big wheels

on each side. Cranes is also used in medieval port

and shipbuilding.

Mobile cranes

The most basic type of crane consists of steel

telescopic arm or beam placed on a mobile platform,

It would be a train, tires, or even cat

truck. Boom is hinged at the bottom and can

be raised or lowered by cables or hydraulic

cylinders.

Telescopic crane

This type of crane has a boom and

A series of pipes with one in another.

A hydraulic mechanism extends or retracts

tubes to increase or decrease the amount

prosperity.

Tower crane – the crane is a modern form of balance

crane. When placed on the floor, taps tower

Often offers the best combination of height and

increasing the capacity and also used in the construction of

tall buildings.