Climb multi -functional express delivery dolly of stair

• Main Authors: LI DEPENG, DONG SHILEI, LI HUI, ZHANG HAIMING, YU HUI, ZHU YANHUA
• Format: Patent
• Language: Chinese; English
• Published: 23.11.2016
• Subjects: HAND-PROPELLED VEHICLES, e.g. HAND CARTS, PERAMBULATORS; LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS; MOTOR VEHICLES; PERFORMING OPERATIONS; SLEDGES; TRAILERS; TRANSPORTING

Climb multi -functional express delivery dolly of stair, at a set of crawler attachment of the both sides of flat board difference fixed mounting, crawler attachment is by motor drive, the L shaped plate includes main board, second board, third board and supporting leg, and be the second board between main board and third board, main board and second board intersection through articulating the connection the mode and dull and stereotyped first supporting part is connected, a pair of supporting leg of downwardly extending formation on being close to the main board of second board position, wheel of lower extreme installation of supporting leg, be fixed with a handle at the top of third board to installing motor speed governing switch and electric putter control switch on hand, universal wheel of front end installation in the main board, electric putter of installation between main board and flat board. It is dual -purpose that stair are climbed on the realization level land, the great problem of resistance whe