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.
2014年1月20日星期一
Double girder truss gantry crane
With economic development , it is not only occupies an important position in the national economy , but also in the fields of production and life are also expanding. Weight 160t double girder truss gantry crane gantry steel accounted for more than 60% of the whole weight is an important part of the whole crane engineering system design. Rationality and sino hoist reliability of the safety design of steel structures directly determine the ability to work and quality of work cranes ; while irrational steel design parameters will reduce the utilization of resources. Therefore, the gantry crane steel structure design and analysis has become the focus of the design in the field of research . Aiming at this situation , the use of modern design methods , conduct research on the optimization of a shipbuilding hoist gantry crane design theory 160t double girder truss gantry crane steel structure . Firstly, analysis of the current level of research and development trend of domestic crane , according to the shipyard 's design requirements, 160t double girder truss gantry crane steel structure design depth theoretical study proposes a more advanced design, and in ANSYS modeling, finite element analysis of strength and stiffness .
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