Portal crane of level luffing type capable of lifting 80 tons at speed of 5 ft 9 in. per min and 40 tons at speed of 11 ft 6 in. per min; four motors provided for lifting, slewing, traveling and luffing respectively; weight of crane including ballast is 376 tons.
Modern electric overhead travelling crane
S African Elec Rev Engr
South African Engineer and Electrical Review ; 24 , n 183
1933
2 pages
Article (Journal)
English
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OVERHEAD TRAVELLING CRANE AND OVERHEAD TRAVELLING CRANE FAULT PROCESSING SYSTEM
European Patent Office | 2022
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