Multi-frame limiting device and lifting mechanism

• Main Authors: QI XIN, WANG TENGLONG, YAN YUQIANG, GUO KE, CHEN CHENG
• Format: Patent
• Language: Chinese; English
• Published: 04.07.2023
• Subjects: HAULING; HOISTING; HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDEDFOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCEDIRECTLY TO THE SURFACE OF A LOAD; LIFTING; PERFORMING OPERATIONS; TRANSPORTING

The utility model discloses a multi-frame limiting device and a lifting mechanism, the multi-frame limiting device comprises a plurality of restraining assemblies arranged between adjacent lifting frames, each restraining assembly comprises a first limiting structure connected with a front lifting frame, a second limiting structure connected with a rear lifting frame and a movable structure, the first limiting structure is provided with a limiting channel in the longitudinal direction, a second limiting piece of the second limiting structure can longitudinally stretch into or be pulled out of the limiting channel along with relative folding or unfolding of the adjacent lifting frames, and a rolling piece of the movable structure is provided with a contact face which can abut against the rear portion of the second limiting piece and roll along with longitudinal movement of the second limiting piece. According to the multi-frame limiting device and the lifting mechanism, the relative transverse movement of the