Device for supporting a construction crane for mounting the telescopic boom of tower-like structure

摘要

Disclosed is a telescopic boom for mounting a crane used in the construction of the tower-like structure such as posts or towers that are taller, by sequentially supported piled up the strut members, and to stabilize the telescopic boom, higher strut I want to be able to build a. A providing a strut receiving base 6 to the mounting base 5 which is fixed to each of the boom of the telescopic boom 1 to advance and retreat, a position for opening the retaining position to embrace the strut members 2 to the strut receiving the base 6 I provide a pivotable pair of embracing arms 7 in. The roller chain 8 diameter can be on the inside of the retaining arm 7 is Yes by interlocking with the retaining arm 7. Advance the strut receiving base 6 is pressed against the strut member 2, the strut member 2 is embraced by the retaining arm 7, when the cell is reduced in diameter to attract the roller chain 8 to actuate the chain closing cylinder 8a, the roller chain 8 Tighten the strut member 2, the boom is supported to the support member 2. [Selection Figure] Figure 1