FIELD: construction.SUBSTANCE: invention relates to cranes building. Crane (1) contains crane pillar (3) installed on base (2) with possibility of rotation around vertical axis and mounted on crane pillar (3) with possibility of rotation by first hinge (8) the first crane boom (4). At least one hose line (12) leads from first point (13) of attachment on crane pillar (3) or from base (2) to second point (14) of attachment in or on crane first boom (4). Due to rotation of crane boom (4) relative to crane pillar (3) distance between first and second connection points (13, 14) is increasing or decreasing. With distance decreasing sections of at least one hose line (12) are located inside crane first boom (4).EFFECT: enabling reduced hose line damaging.6 cl, 7 dwg
Kran
Crane
Grue
2018-05-02
Patent
Electronic Resource
German
IPC: | B66C Krane , CRANES |