Shanghai Zhenhua Heavy Industries Company Limited

Cong Jia

Min Zhu

Xianhai Sun

Zhiwen Feng

Hongya Su

A boom extension device for a dockside container crane. A boom comprises a rear boom section () and a front boom section (). The extension device comprises: an extension trolley tool () which is disposed below the rear boom section () and the front boom section () during an extension operation, and which comprises a wheel set (), a trolley frame (), a construction platform (), and a movement track () disposed on the construction platform; a fits support frame trolley () disposed on the movement track () and used to carry a boom extension section () and guide the boom extension section () to move in a first direction; and a second support frame trolley () disposed on the movement track () and used to carry the front boom section () and guide the front boom section () to move in a second direction perpendicular to the first direction in a first plane. Further included is an extension method for a boom of a dockside container crane. The invention reduces usage of heavy-duty equipment.

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Shanghai, China

Cong Jia