Wither invite!
" dragon gantry crane " also be called " door type crane " , see the past grow a leg like two far Ou Ba is refusing root post.
This kind of crane carries large goods in construction site and container dock at ordinary times, when building aircraft carrier even, cannot leave this kind of crane.
So dragon gantry crane of China, does technical content have many after all tall?
So far, the technology of dragon gantry crane that the large dockyard of on the world 90% uses is China is made!
The core technology of dragon gantry crane is system of control of frequency conversion PLC, this kind of system can dominate the action of crane accurately, reduce amortize, managing specific power consumption, prolong the life of crane, when encountering machine error, still can call the police automatically maintenance.
Be not solved really, need link only computer of a notebook, a few minutes can complete rush to repair, this kind of new and high technology is our particular own intellectual property.
Our country develops independently " grand door date " dragon gantry crane, light is self-prossessed have 14000 tons, be equivalent to two Effie Er iron tower is so heavy. Can trice is equal the goods at 16000 tons, be equivalent to 400 trains railroad car.
So tall load ability, the dragon gantry crane that still does not have other country at present can be accomplished. Actually abroad also is not to be not built give so big dragon gantry crane, just do not have China to be built well.
Last centuries, western businessman develops for industry of China of keep within limits, execute technical block to China, to turn a situation, the Chinese begins to design from blank blueprint, one pace studies, make the dragon gantry crane that went out to own own intellectual property eventually.
In those days, what a certain dockyard of England once expended 20 million dollar is gigantic endowment, order to China " song Li Ya " dragon gantry crane will be used at making aircraft carrier. Can say, technology of dragon gantry crane develops for the industry of homeland and world, made very enormous contribution!
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