Loading and unloading crawling ladder for engineering machinery transportation plate trailer

• Main Authors: YAN ENBO, LIU YI, HAN LIHUA, ZHANG GANG
• Format: Patent
• Language: Chinese; English
• Published: 27.03.2020
• Subjects: CONVEYING; HANDLING THIN OR FILAMENTARY MATERIAL; PACKING; PERFORMING OPERATIONS; PNEUMATIC TUBE CONVEYORS; SHOP CONVEYOR SYSTEMS; STORING; TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING ORTIPPING; TRANSPORTING

The utility model discloses a loading and unloading crawling ladder for an engineering machinery transportation plate trailer. The loading and unloading crawling ladder comprises a crawling ladder IIwith an inclination angle and a crawling ladder I matched with the crawling ladder II, one end of the first crawling ladder is welded to the second crawling ladder, the other end of the first crawlingladder is flush with the bottom face of a vehicle body of the transportation plate trailer, and the first crawling ladder on the side is provided with two built-in crawling ladder installation areasused for containing the built-in crawling ladders. The section of the first crawling ladder is rectangular, and the section of the second crawling ladder is triangular. The loading and unloading crawling ladder comprises the first crawling ladder body and the second crawling ladder body, the inclination angle of the second crawling ladder body is small, an engineering machinery vehicle can climb easily, in addition, the fir