Portable oil tank maintenance ladder

• Main Authors: DING TAO, TIAN MENG, WANG XIGUO, LI FAXIANG, WANG LI, WEI YONGZHOU, WANG YUAN, XIA ZHONGHUA, HU TING, LU XUYUN
• Format: Patent
• Language: Chinese; English
• Published: 16.06.2023
• Subjects: DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; FIXED CONSTRUCTIONS; LADDERS

The utility model discloses a portable oil tank maintenance ladder, and relates to the technical field of auxiliary ladders. The maintenance device comprises a maintenance frame and a side climbing frame fixedly arranged on one side of the maintenance frame, an installation protruding plate is fixedly arranged at the bottom end of the maintenance frame, a vertical ladder frame is movably installed on the installation protruding plate in the horizontal direction, a supporting frame is fixedly arranged at the bottom end of the maintenance frame and the bottom end of the side climbing frame, and movable trundles are fixedly arranged at the bottom end of the supporting frame. Compared with the prior art, the whole overhauling frame is pushed to be attached to the outer wall of the oil tank, at the moment, a worker can climb on the overhauling frame through the side climbing frame, and if the worker needs to climb on the overhauling frame vertically, the protective outer ring is pulled to enable the connecting ins