Fastening type power supply well

• Main Author: YAN,ZHOU MENG
• Format: Patent
• Language: English
• Published: 30.08.2006
• Subjects: EMBANKMENTS; EXCAVATIONS; FIXED CONSTRUCTIONS; FOUNDATIONS; HYDRAULIC ENGINEERING; SOIL SHIFTING; UNDERGROUND OR UNDERWATER STRUCTURES

The utility model relates to a power supply well with a locking device, which belongs to the technical field of airport ground equipment. The utility model is provided with a big well cover in which a small well cover is arranged. A lifting guide mechanism is arranged between the big well cover and the small well cover; a sealing ring, a boss and a groove are arranged between the small well cover and the big well cover, wherein the boss and the groove are matched with each other. The sealing ring is arranged between the big well cover and the small well cover, a link type locking device is arranged between the small well cover and the big well cover, and the lower part of the big well cover is provided with a movable control box by a guide device. One lock plate of the link type locking device is hinged on a guide rod of the small cover, the other lock plate is hinged on a locking head, and both ends of a connecting plate are respectively hinged together with one end of two lock plates. The upper end of a fixed guide rod of the guide device is arranged at the lower side of the big well cover, one hole of a diplopore guide plate is positioned at the low part of the big well cover by the fixed guide rod, and the other hole of the diplopore guide plate is sheathed on a movable guide tube arranged at the lower part of the movable control box, and a cable enters the movable control box by the movable guide tube.