A tower boom path (38) is controlled in a boom lift vehicle (10) such that the tower boom nose pin (22) follows a predetermined path.
Disclosed in the present invention are a heavy lifting boom frame system and a heavy lifting equipment comprising the same.
The boom lift vehicle includes a telescoping lift tower boom (18) pivotally coupled at one end to a vehicle base (12).
A gooseneck trailer hitch assembly convertible to a lifting boom is disclosed.
The hoisting framework is fastened with a substantially shelf-like body which again includes means for fastening a hoisting boom.
The apparatus (10) is stored in a retracted state by placement of supporting legs (16, 16A) and the lifting boom (34) in a folded position.
The pole (called a gin pole in the trade) can then be removed, and the operation may be repeated, if required.
Requêtes fréquentes français :1-200, -1k, -2k, -3k, -4k, -5k, -7k, -10k, -20k, -40k, -100k, -200k, -500k, -1000k,
Requêtes fréquentes anglais :1-200, -1k, -2k, -3k, -4k, -5k, -7k, -10k, -20k, -40k, -100k, -200k, -500k, -1000k,
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