The hydraulic truck crane is a particular mobile crane which utilizes hydraulic power to lift and transport thousands of pounds. Hydraulics makes use of forces being transmitted through oil pushing on the boom's pistons in opposite directions so as to lift thousands of pounds. Hydraulic truck cranes are really essential in constructing major projects such as bridges, airports, streets and buildings. A crane could complete in minutes jobs that would normally take lots of hours and hundreds of men to complete.
These impressive machines have played a very important part in building cities, houses, individual buildings and entire nations throughout the ages. Even the Great Pyramids within Egypt were likely built with the help of basic cranes to allow the heaviest materials in one of the most remarkable construction projects of all time.
The very first cranes were established in 3000 B.C. Egypt in King Ramses' reign. This lifting device was initially utilized to collect water. The very first official "cranes" appeared in Ancient Greece. These mechanism were utilized to build a whole nation in the 5th century B.C.
These cranes were originally made out of wood. The designs of cranes began to change when dockyards began to need stronger and larger equipments. Hick & Rothwell designed the first cast iron cranes during 1834, in Bolton, England. This equipment was capable of lifting up to 2 tons. That very 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 larger capacity to lift heavy weights.
The wire ropes were weaved together forming a more powerful rope with even more strength. The newly formed wire also added more flexibility. Germany began to make cast iron cranes 4 years later. The very first cast iron crane made by Germany was made within Neuburg.