Hand-push flat car capable of crossing obstacles

• Main Authors: PU JIAWEI, WANG PENGSHUO, DENG ZIHAO, XU GUYU, OU PENG, LI LINXU, WANG HUI
• Format: Patent
• Language: Chinese; English
• Published: 19.07.2024
• Subjects: BLASTING; DETECTING MASSES OR OBJECTS; FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMSTHEREOF; GEOPHYSICS; GRAVITATIONAL MEASUREMENTS; HAND-PROPELLED VEHICLES, e.g. HAND CARTS, PERAMBULATORS; HEATING; INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21Sand F21V, RELATING TO USESOR APPLICATIONS OF LIGHTING DEVICES OR SYSTEMS; LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS; LIGHTING; MEASURING; MECHANICAL ENGINEERING; PERFORMING OPERATIONS; PHYSICS; SLEDGES; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHERARTICLES, NOT OTHERWISE PROVIDED FOR; TESTING; TRANSPORTING; WEAPONS

The utility model discloses a hand-push flat car capable of crossing obstacles, which comprises a flat car frame, a wheel retracting and releasing mechanism used for crossing obstacles is arranged on the lower surface of the flat car frame, and the wheel retracting and releasing mechanism comprises an external wheel retracting and releasing mechanism, a control mechanism and an internal wheel retracting and releasing mechanism. The external wheel retracting and releasing mechanisms are arranged at the front end and the rear end of the lower surface of the flat car frame, the internal wheel retracting and releasing mechanism is arranged in the middle of the lower surface of the flat car frame, and the control mechanism is arranged between the external wheel retracting and releasing mechanisms and the internal wheel retracting and releasing mechanism. And the control mechanism is provided with a driving mechanism for respectively driving the external wheel retracting and releasing mechanism and the internal whe