Special tool for opening cable working well lid

• Main Authors: ZHU XIAOBIN, ZHANG JINXU, LI YUE, HUANG WENLEI, ZHANG HONGQIANG, TAN SHENGLEI, MA YULIN, GONG YAJUN, LIU YALONG, HOU TIANLU, GUO JINGYU
• Format: Patent
• Language: Chinese; English
• Published: 01.12.2020
• Subjects: EMBANKMENTS; EXCAVATIONS; FIXED CONSTRUCTIONS; FOUNDATIONS; HYDRAULIC ENGINEERING; SOIL SHIFTING; UNDERGROUND OR UNDERWATER STRUCTURES

The invention discloses a special tool for opening a cable working well lid, and relates to the technical field of power cable operation inspection. The special tool for opening the cable working welllid is composed of an operation part and a supporting part, the operation part is mainly composed of a long handle, a short handle and an auxiliary spring set, the supporting part is mainly composedof three transverse supporting arms and three lateral supporting arms and is in a triangular cone shape, and the operation part and the supporting part are connected through two concentric rods. In anatural state, the transverse supporting arms and the lateral supporting arms in the supporting part are in a folded state so as to penetrate through a hole of the cable working well lid, the transverse supporting arms and the lateral supporting arms are in an unfolded state and are tightly attached to the inner side of the cable working well lid by operating the long handle and the short handle,and therefore the well lid i