Hydraulic truck cranes are a specialized kind of mobile crane. These cranes make use of hydraulics and can lift thousands of pounds. Hydraulics makes use of forces being transmitted through oil pushing in opposite directions on the boom's pistons so as to lift thousands of pounds. Hydraulic truck cranes are important in building major projects like bridges, airports, roadways and buildings. A crane can accomplish in minutes tasks that would normally take many hours and hundreds of men to accomplish.
The great machinery are normally utilized in the construction of cities, houses, entire nations and individual buildings throughout the ages. Even the Great Pyramids in Egypt were probably constructed utilizing basic cranes to enable the heaviest materials in one of the most amazing construction projects ever.
The very first representation of a crane was featured during King Ramses' reign within Egypt during 3000 B.C. This was a portrayal of a lifting mechanism that was used to collect water. The first official "cranes" appeared in Ancient Greece. These mechanism were utilized to create an entire nation during the 5th century B.C.
These cranes were originally made out of wood. The designs of cranes started to change when dockyards began to require stronger and larger machinery. Hick & Rothwell developed the first cast iron cranes within Bolton, England, during the year 1834. This machinery was capable of lifting up to 2 tons. That same year, the addition of wire rope was added to the crane by an Official of the German Superior Board, Herr Albert Sr. The wire rope made the crane more durable and stronger. This addition allowed cranes to have a bigger capacity for lifting heavy weights.
Eventually, the wire ropes were weaved together in order to form an even more powerful strength. This wire formation also brought the added benefit of flexibility. Germany started to make cast iron cranes 4 years later. The first cast iron crane built by Germany was built in Neuburg.