Jack-up system that auxiliary hoist cantilever crane hinged-support bearing was changed

The utility model provides a jack-up system that auxiliary hoist cantilever crane hinged-support bearing was changed, including rigid support, lug, steel wire rope, calabash, rigid support installs at the hinged-support rear side, provides the restraining force of horizontal direction for the cantilever crane, first lug is installed on the cantilever crane, the second lug is on the carousel of hinged-support front side, the third lug is installed on the rotary column, utilize first steel wire rope and first lug, the second lug is connected to set up first calabash on the steel wire rope between first lug and second lug, for the cantilever crane provide the slope decurrent restraining force, utilize second steel wire rope and first lug, the third lug is connected to set up the second calabash on the steel wire rope between first lug and third lug, for the cantilever crane provide the slope ascending restraining force adopt the utility model discloses, can avoid using large-tonnage lifting device to hoist hoist cantilever crane system, save money, save time, it is laborsaving