Down-the-hole working gate arrangement structure operated by double-lifting-point upside-down hydraulic hoist

• Main Authors: SONG XIUCHANG, YAO LEI, WANG BOYUAN, CHEN LIYE, WANG YIN, YAN PENG, LI YAN, SHAO ZHANWEI, MAO MINGLING
• Format: Patent
• Language: Chinese; English
• Published: 26.01.2021
• Subjects: FIXED CONSTRUCTIONS; FOUNDATIONS; HYDRAULIC ENGINEERING; SOIL SHIFTING

The utility model discloses a down-the-hole working gate arrangement structure operated by a double-lifting-point upside-down hydraulic hoist, which comprises a pair of racks arranged at the top of adam and used for installing the upside-down hydraulic hoist, the hydraulic hoist is connected with a door body arranged in a door groove, and a bottom ridge, a main track and a reverse track are arranged in the door groove. The door body is provided with a main wheel, a side guide wheel, a reverse sliding block and a main water stop which are matched with the main rail and the reverse rail, and the chest wall of the door groove is further provided with an anti-water-jetting water stop which is matched with the door body. A maintenance platform is arranged above the door groove, and a movable main rail and a movable reverse rail are arranged on the maintenance platform in the vertical direction. A mounting platform close to the top of the dam body is further arranged above the overhauling platform, and a hydraulic