Introduction grab crane

Grab crane divided into bridge grab crane, gantry grab crane , folding arm grab crane , grab crane is often said that usually refers to folding arm grab cranes, such as logs hanging .

Outline
Grab crane , grab crane common name , English name : Grab crane / grabbing crane.
Grab crane is equipped with a grab crane , widely used in ports, terminals , stations garages, mining and other aspects of a variety of bulk cargo loading , logs, minerals , coal, sand and gravel , earth , etc. .

Feature
1 grab crane birth and development of greatly improving the efficiency of production ,
For example: before the birth grab crane , dock loading and unloading ore, inside cabin with 12 to 16 workers , each one spade , two pairs, each take a large leather string bag , a spade a spade to large leather string bag Lane shovel ore, a string bag up to 4 tons cargo net . Wangdou shovel full, then hung up the crane . A maximum of 8 hours Funakura dry 200 tons cargo . And now a large ship unloaders unloading ore , unloading more than two thousand tons per hour will be able to mine, providing production efficiency greatly .
2 Grab the birth and invention also improve the production safety,
For example: before the birth grab crane , dock loading and unloading timber, inside cabin with 4 to 6 workers , first with a small cross section of wire rope in the gap in the log pile to wear to wear , surrounded estimate of the area, the small ends of the rope Hand pallet trucks on crane hooks , lifting a ~ 2 m distance, so tilt to one end of logs and workers to take a 16 to 28 wire rope, wire rope and heavy front-end hook is lifted from the wood pile with a neutral rejection of the past in the other side of the workers quickly catch or rope attached to the hook will slip into the groove wood pile , workers have to pull the rope rope thrown re- rejection , or other side of the workers with a long wooden stick loaded with hooks tool scooped rope , and then hook hanging on rope tied up ...... will log in the process logs may scroll , crushing workers' hands and feet , there may be more than bundles of wood workers overload , wire rope suspended in the air , a dozen dozens of aerial roots or root logs fall , will people killed . Later Bao Qifan invented the timber grab, greatly reducing the personal injury.