ZPMC launched New Container Crane Design Concept

Time:2020-10-21    Number:367    【Big Middle Small】    
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For various coastal docks, the influence that winds have on equipment has always been a topic that cannot be evaded. Recently.ZPMC has developed one type of new structural design concept - semicircular boom container crane, which can lower the wind load that the boom structure carries below 50% of the original box cross section, and what’s more, presents advantages like enhancing equipment work efficiency, reducing wheel pressures on docks, and easy maintainability, etc.
This concept has optimized the boom structure, which mainly consists of upper deck, web of rail supporting girder that lies beneath the upper deck, and circular plate that connects with the web, forming one boom structure with similar semicircular cross section.
For the optimized boom with a simple and compact structure, main driving mechanism of trolleys, etc., are all arranged above the boom, which not only features high precision of manufacture and installation, but also encourages assembly, measurement, adjustment and routine maintenance. At both sides of the arc underside is more room for auxiliary parts, which is capable of further optimizing the room between substructure of the trolley and the boom. 
Thanks to the distinct advantage of circular cross section in terms of wind factor, this model can effectively bring down the lateral wind load that the boom carries under working condition, can better lateral deformation of the boom, and is beneficial to the alignment efficiency of the trolley on the front boom. Simultaneously, this model presents a more obvious effect on wheel pressure improvement under equipment anchorage status, the greater the non-working wind velocity, the better the effect; for container cranes with a smaller gauge, wind load presents a higher influence on the wheel pressure of the overall equipment, and therefore it is given more advantages; structure optimization is capable of further bringing down the weight and wind load of the overall equipment, which is in its favor in model selection of various mechanisms, esp. motor of the equipment (wind load can be reduced by some 10%), etc.; it is on some level capable of bringing down the cost of new docks, esp. in the regions with high ambient wind velocities. 
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