关于桥式起重机的发展史(Notable cranes and dates)
1874年alton shaw 研制出世界上{dy}台桥式起重机
Alton Shaw develops the first overhead crane
1938年yale发明了钢丝绳葫芦
Yale introduces the Cable-King hoist
1944年shepard-niles在新墨西哥用葫芦吊起原子弹做测试
Shepard-Niles supplies a hoist for lifting atomic bombs for testing in New Mexico
1969年Power Electronics International, Inc. 公司开发出带减速驱动的葫芦
developed the overhead hoist variable speed drive
1983年世界上{zd0}的桥式起重机在巴西Itaipu电站投入使用
The world’s biggest overhead crane from Bardella Company starts its operation at Itaipu Hydro Power Plant Brazil
1997年行业巨头宝洁第11章破产保护文件。后来改名莫里斯物料搬运,但仍在使用的P & H公司商标,他们再次宣告破产。
1997: Industry giant P&H files for chapter eleven bankruptcy. Later renamed Morris Material Handling but still using the P&H tradename, they again went bankrupt.
1998年迪尔伯恩起重机提供2个500吨容量的桥式起重机给斯韦森出版社芝加哥。由于斯韦森破产,这个起重机从未使用过。
1998: Dearborn Crane supplies two 500-ton capacity overhead cranes to Verson Press of Chicago. The cranes were never used due to Verson’s bankruptcy.
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