4results about How to "Convenient for temporary placement" patented technology

The utility model provides a portable maintenance tool box for underground equipment maintenance, concretely relates to the technical field of underground equipment maintenance. The tool box includes a maintenance box, a foldable seat is arranged on the left side or right side wall of the maintenance box, mounting grooves are symmetrically arranged on the upper parts of the front and rear side walls of the maintenance box, a movable table board is hingedly arranged on the top of the mounting groove, storage drawers are arranged on the lower parts of the front and rear side walls of the maintenance box, a storage cavity is arranged in the middle of the top of the maintenance box, a liftable mounting frame is slidably arranged in the storage cavity, limit grooves are symmetrically arranged on the positions close to the top of the left and right side walls of the maintenance box, limit mechanisms are arranged on the left and right sides of the bottom of the mounting frame, and the mounting frame is inserted into the limit grooves through the limit mechanisms after being lifted. The utility model has the advantages of simple structure, small area occupied, convenient movement, and convenience for maintenance personnel to place or store tools through the arrangement of the liftable mounting frame, the foldable seat and the movable table board.

This utility model discloses an automatic hydraulic double-wing door device for a rear equipment compartment, comprising a compartment body and an inner frame. The inner frame is located inside the compartment body, and two sets of hydraulic rods (A-type) are symmetrically arranged on the inner wall of the inner frame, with each A-type hydraulic rod being movably connected to the inner frame. Each A-type hydraulic rod has an A-type push arm installed at its output end. A wing door body is symmetrically arranged inside the compartment body on one side of the inner frame. Each wing door body has a hinge shaft at its end near the compartment body, and the wing door body is movably connected to the compartment body via the hinge shaft. Each A-type push arm has an A-type linkage shaft at its end near the wing door body, and the A-type push arm is movably connected to the wing door body via the A-type linkage shaft. This utility model not only achieves convenient linkage opening and closing of the wing door and parallel extension of the shelves from the compartment body, facilitating temporary placement of miscellaneous items and retrieval or placement of goods on the shelves, but also improves ease of use.