Jib crane boom margins mainly use (pitching) rotation around the vertical axis with lifting goods, the use of flexible action to meet the loading requirements, in the form of fixed, mobile and floating. Fixed jib crane mounted directly on the dock or pier base library field, can only work in situ. Some of the boom is not only pitching rotation, and some can tilt can be reversed.
2013年12月6日星期五
Bridge crane is horizontal plane in workshop, warehouse and yard over the material lifting hoisting equipment
Bridge crane is horizontal plane in workshop, warehouse and yard over
the material lifting hoisting equipment. Because of its ends located in
tall cement posts or metal stents, shape like bridge. Bridge hoist gantry crane
bridge along the laid on on both sides of the elevated rail longitudinal
operation, can make full use of bridge the space below the lifting
materials, from the ground equipment obstacles. Used in construction
hoisting machinery, according to its structure and properties of
different, general can be divided into small light lifting equipment,
bridge type hoisting machinery and boom type crane three categories.
Small light lifting equipment such as: jack, hoist, winch, etc. Bridge
type hoisting machinery such as beam cranes, steel crane crane, etc. Boom
type crane such as fixed slewing crane, tower crane, truck crane, tires,
crawler cranes, etc. The following is a kind of hoisting machinery of:
(1) mechanical truck crane hydraulic truck crane crane all terrain
off-road vehicle (2) tower crane crane rail type rotary tower crane rail
type rotary ZiSheng on tower crane rail under the rotary tower crane
rail type rotary ZiSheng tower crane fast loading type tower crane tower
crane car tyre combination tower crane crawler tower crane tower crane
(3) the crawler crane crawler machinery hydraulic crawler crane crawler
crane electric hoist mast crane cable type mast crane sprag type mast
crane cable crane radiant cable crane translation type cable crane type
cable crane
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