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- luffing jib tower crane 动臂变幅塔式起重机
- Using type of QTZ250 and QTZ4000, horizontal jib tower crane, as sample, this article analyses the whole process and the result in the way of Finite Element method. 并以QTZ250和QTZ4000两台水平特塔式起重机为实例,用有限元方法完成分析全过程,给出相应分析结果。
- Lifting Dynamic coefficient an anlysis for horizontal jib tower crane 水平臂式塔式起重机起升动载系数分析
- It changes working radius usually by luffing jib. 通常多采用俯仰臂架的方法来实现工作幅度的改变。
- goose-neck jib tower crane 折臂式塔式起重机
- The fuzzy optimization mathematical model is built with the optimization target of minimizing the volume of tooth corona of worm gear in luffing mechanism of tower crane. 摘要以塔式起重机变幅机构中蜗轮齿冠体积最小为优化目标,建立了模糊优化设计的数学模型。
- Used for port loading and unloading and tower crane for building. 适用于港口装卸和建筑用塔式起重机。
- An integrated preliminary design of a tower crane metal structure, including head, jib and counter-jib, was carried out based on the revised CO, taking fully consideration of the inherent coupling mechanisms among the three components. 通过采用改进的协作优化算法对塔式起重机金属结构的塔帽-吊臂-平衡臂进行一体化方案设计,充分考虑了这三个子系统之间的协同机制,得到了具有整体最优性的设计结果。
- Main Applications: Equipment for port load and unload derrlck tower crane. 主要用途:港口装卸和塔式起重机用。
- Optimized design of jib of derrick tower crane 动臂式塔式起重机起重臂结构优化设计
- A tower crane keeled over and crushed some temporary buildings, but fortunately nobody was hurt. 塔吊突然倒塌,砸坏了一些临时性建筑物,但幸好没有人员伤着。
- A tower crane keeled over and crushed some temporary buildings,but fortunately nobody was hurt. 塔吊突然倒塌,砸坏了一些临时性建筑物,但幸好没有人员伤着。
- High lopsided moment, in course of tower crane design, makeinconvenient, and also increase the manufacrute cost. 较大的不平衡力矩的存在,给塔式起重机的设计带来不便,也增加了制造成本。
- Vertical transportation: reinforcing steel bar, from and so on materials should use self-lifting tower crane and one 50T crawler crane. 垂直运输:钢筋、模板等材料使用自升式塔式起重机,并配备一台50t履带式起重机。
- Tower Crane Load Indicater, Building Hoist Overload Limiter, Overload Limiter For a Construction Lift. 超载装置,超负荷指示器,超负荷限制器
- luffing jib crane 俯仰摇臂式起重机
- The truck crane (gantry crane, tower crane, mobile slewing crane, bridge crane, crawler crane) can lift a weight of 15 tons. 这台汽车起重机(龙门吊、塔式吊、悬臂汽车吊、桥式吊、履带式起重机)能吊起15吨的重物。
- Three 3500W dysprosium lamps are installed on each tower crane for site lighting during night. 罐体施工现场:在每台塔吊上装三盏3500W镝灯用于现场夜间照明。
- Lopsided moment, in course of tower crane design, make inconvenient, and also increase the manufacture cost. 不平衡力矩的存在,给塔式起重机的设计带来不便,也增加了制造成本。
- There are 603 machines and equipment including rooter, tower crane, pile driver, etc. 企业拥有挖土机,塔吊,及打桩机等相应的施工机械和质量检测设备共603台(件)。