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案例一在某火车站货场,安装砂机开始时,现场13个工人和一台20t汽车吊配合,从早晨7点开始吊装到下午7点,来回、往返移动起重机位置却无法安装操作平台和输送带结构部件。装砂机4个钢立柱两侧各有托座支撑座,另一个支撑托座在斜梯上,操作平台和输送带分别在两侧4个托座上。可安装时,先装两个斜梯。吊装平台和输送部件无法穿入,后将平台和输送带部件立着吊装,可翻
Case 1 In the freight yard of a railway station, when the sand machine was installed, 13 workers at the scene cooperated with a 20t car crane, lifting from 7 am to 7 pm, moving back and forth to move the crane position but unable to install the operating platform and transportation With structural parts. Sand loading machine with four steel columns on both sides of each seat support seat, another support bracket on the ramp ladder, the operating platform and the conveyor belt on both sides of the four seats. Can be installed, first installed two inclined ladder. Lifting platform and conveying components can not penetrate, after the platform and conveyor parts stand upright, can be turned