FIELD: transport.
SUBSTANCE: guy expander comprises first and second element, each including guy section connector at first end and swivel connector at second end. Every said element has the section extending from swivel at angle between extending sections. Guys expander comprises actuator arranged between connectors of swivel adjusting the angle between extending section of two swivel connectors. Lifting crane comprises adjustable-length expander secured between two plate of guys of extra jib. For a adjustment (assembly) of lifting crane, jib is secured to turn base while sleeper is secured to sad jib. Guys plates of extra jib are secured sleeper and turn base. Adjustable-length expander is secured between guy plates of extra jib. Note here that expander features first length when it is secured between guy plates of extra jib. Expander length is increased to second length, larger than said first one, after securing of expander between guy plates of extra jib.
EFFECT: simplified assembly.
23 cl, 7 dwg
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