Trolley lead screw structure

• Main Authors: YU NENGYU, CHEN KAIHE
• Format: Patent
• Language: Chinese; English
• Published: 26.05.2023
• Subjects: BLASTING; ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS; HAND-PROPELLED VEHICLES, e.g. HAND CARTS, PERAMBULATORS; HEATING; LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS; LIGHTING; LUBRICATING; MECHANICAL ENGINEERING; PERFORMING OPERATIONS; SLEDGES; THERMAL INSULATION IN GENERAL; TRANSPORTING; WEAPONS

The utility model provides a trolley lead screw structure which comprises a protection box and a first movable plate, an inner cavity of the protection box is symmetrically connected with first baffles, first grooves are correspondingly formed in the positions, corresponding to the first baffles, of the first movable plate, the first movable plate is slidably connected to the inner cavity of the protection box through a first screw connected in a threaded mode, and the first baffles are slidably connected into the first grooves. A collection groove is formed in the position, close to the first lead screw, of the upper surface of the first moving plate, an oil injection hole is formed in the position, opposite to the collection groove, of the top of the protection box, first fixing blocks are symmetrically connected to the two ends of the first moving plate and slidably connected into first sliding grooves formed in the surface of the protection box, and guide rods are fixedly connected into the first sliding