D FEM analysis model is adopted for the stability analysis in construction including hoisting and closing single steel tubular arch rib and service stages respectively.
采用空间杆系计算模型对包括单根钢管拱肋吊装合龙在内的施工和运营阶段进行稳定性分析。
2
The connections between trash rack and hoist as well as between service gate and hoist are achieved by hoisting chain that is apt to place and is time saving without tearing down pull rod.
拦污栅与启闭机、检修闸门与启闭机的连接，采用了易于存放又避免拆卸拉杆、明显节省操作时间的起重环链。
3
GTD and GTH bucket elevator machine has large throughput, high hoisting height, stable operation, long service life, etc.