| 摘要 |
<p>Auxiliary extension device for a crane (110) provided with a telescopic extendable arm (111) having at least one end segment (111 c) provided with a free end (111 c'), wherein said auxiliary extension device (10, 100) has a first end (10a, 101 a) configured to be connected to said free end (111 c') and a second end (10b, 102b), opposite said first end (10a, 101 a) and configured for connection of an attachment device (114) for a load (115), wherein said auxiliary extension device (10, 100) is made of one or more composite materials with a fibrous structure defined by reinforcement fibers immersed in a polymeric matrix. Furthermore, said first end (lOa, 101 a) is provided with at least one connection element (13) configured to selectively connect, in a releasable manner, and in a fixed manner, the auxiliary extension device to the end segment (111c).</p> |
