cranes

gantry crane with a truss arm or hydraulic telescopic boom box, can on ordinary roads and assignments; With compact structure, fast transfer, restricted by area small, low cost, etc. All Terrain Crane (All Terrain Crane) originated in Europe in the 1960 s. It adopts specially designed multi-axis all-wheel drive chassis, oil and gas suspension, hydraulic shock, which can realize all-wheel steering, full bridge drive; eot cranes with a truss arm or hydraulic telescopic boom box. Compared the two, all terrain crane has higher adaptability, lifting ability is stronger, higher technology content, cost, of course, also be doubled. In 1890, the British COLES company developed railway scooter as chassis, with vertical steam boiler for cranes, thousands of tons of lifting capacity, rails can rely on. This is the end of the 19th century, the typical structure of mobile cranes. COLES company was once Europe's biggest crane company, founded in London in 1879, the founder of Henry James COLES (1847-1905). Henry at the age of 13 to enter s. orssam machinery factory work, started his own company at the age of 32, to produce 2-10 tons rotary steam crane as the main business. Henry's death in 1905, his eldest son took over the company.