Special support for manhole cover and using method of special support

• Main Authors: WANG ZHOU, LIU FENG, HE JINRONG, DING PING, SHI YUCANG, CHENG JI, LEI WENBIN, YUAN BO
• Format: Patent
• Language: Chinese; English
• Published: 21.07.2020
• Subjects: EMBANKMENTS; EXCAVATIONS; FIXED CONSTRUCTIONS; FOUNDATIONS; HYDRAULIC ENGINEERING; SOIL SHIFTING; UNDERGROUND OR UNDERWATER STRUCTURES

The invention provides a special support for a manhole cover and a using method of the special support, and belongs to the field of municipal facilities. The support comprises a well ring base, the well ring base comprises a cylindrical part and a ring-shaped part, the two ends of the cylindrical part are opened and are the upper opening end and the lower opening end correspondingly, groove holesuniformly distributed in the circumference are formed in the cylindrical part, and the openings of the groove holes are located at the lower opening end of the cylindrical part; and groove holes uniformly distributed in the circumference are formed in the ring-shaped part, the openings of the groove holes are located at the outer edge of the ring-shaped part, the radius of the large circle of thering-shaped part is the same as the diameter of the cylindrical part, the outer edge of the ring-shaped part is fixedly connected with the lower opening end of the cylindrical part, the openings of the groove holes in the cyli