Crane frame

• Main Authors: ZHOU NAN, CUI SHUWEN, ZHAO FENGSHANG, ZHANG CUNGANG, LI HAO
• Format: Patent
• Language: Chinese; English
• Published: 09.05.2023
• Subjects: CRANES; HAULING; HOISTING; LIFTING; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS,WINCHES, OR TACKLES; PERFORMING OPERATIONS; TRANSPORTING

The invention provides a crane frame, and belongs to the technical field of cranes. The car frame comprises a box-type structure car frame body formed by combining a bottom plate, a web plate and a cover plate, first arc-shaped protrusions extending in the horizontal direction of the two sides are symmetrically arranged on the upper surface of the cover plate located in the car frame body, and a seat ring is arranged between the first arc-shaped protrusions. A second arc-shaped protrusion extending in the same horizontal direction is arranged at the position, below the first arc-shaped protrusion, of the bottom plate of the cover plate, a supporting plate for supporting the seat ring is arranged between the first arc-shaped protrusion and the second arc-shaped protrusion, and an outer transition plate connected with the web plate is arranged on the supporting plate. The web plate, the outer transition plate and the supporting plate form a smooth curved surface structure, and the two ends, in the vertical dire