2results about How to "Improve lifting performance" patented technology

This invention discloses a foldable superlift device, comprising a superlift boom and superlift supports and a superlift winch at both ends. The superlift boom includes a fixed boom connected to the superlift supports and a folding boom connected to the superlift winch. The folding boom and the fixed boom are connected by a pivot shaft. The length of the superlift boom is adjusted by unfolding and folding. The invention also discloses a crane, a multi-angle tensioning control system, and a method incorporating the aforementioned foldable superlift device. This invention can guide the foldable superlift to be tensioned before lifting operations and, by combining the main boom length and combination with different two-stage unfolding schemes, optimize the relationship between the superlift length, unfolding angle, and boom length, thereby maximizing the improvement of the boom's stress state, increasing boom strength and rigidity, and enhancing product performance.

This invention relates to the field of sculpture transportation protection technology, and particularly to a protective device for urban sculpture transportation, comprising a cage frame and at least two hoops; upper and lower cage frames are respectively installed above and below the load-bearing crossbars on opposite sides of the cage frame, and can move vertically along the vertical columns; push rod devices are installed on the upper and lower sides of the load-bearing crossbars, and the push rod devices drive the upper and lower cage frames to move, wrapping the upper and lower hoops around the sculpture; the upper cage frame is connected to the upper hoops, and the lower cage frame is connected to the lower hoops by ropes. This invention avoids direct contact between external objects and the sculpture through the cage frame structure; the use of an upper and lower double push rod system to apply force simultaneously improves lifting capacity and disperses the pressure of a single structure; effectively solving the protection problem of the last mile of urban sculpture transportation.