The invention discloses a combined adjustable crane balance weight device which comprises a support and a cargo boom connected with the support through a rotating disc. One end of the upper surface of the cargo boom is connected with a balance weight body through a balance weight connection frame. The balance weight connection frame comprises a first fixed balance weight frame connected with the balance weight body and a second fixed balance weight frame connected with the cargo boom. A telescopic balance weight frame is arranged between the first fixed balance weight frame and the second fixed balance weight frame. A sliding rail is arranged on the lower surface of the first fixed balance weight frame. A lighting device is connected into the sliding rail through a supporting rod. According to the combined adjustable crane balance weight device, the frames are used to replace a pig iron one-piece forming structure, and the adjustment function is achieved.
Combined adjustable crane balance weight device
2015-11-18
Patent
Electronic Resource
English
IPC: | F16F SPRINGS , Federn / B66C Krane , CRANES / F21V FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF , Funktionsmerkmale oder Einzelheiten von Leuchten oder Beleuchtungssystemen / F21W Index-Schema in Verbindung mit den Unterklassen F21K, F21L, F21S und F21V, betreffend den Gebrauch oder Einsatz von Leuchten oder Beleuchtungssystem , INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO USES OR APPLICATIONS OF LIGHTING DEVICES OR SYSTEMS |
Balance weight adjustable quay crane energy-saving system
European Patent Office | 2021
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