Instrument for judging quality of drilling hole

Application Number: 00111225
Application Date: 2000.07.19
Publication Number: 1334442
Publication Date: 2002.02.06
Priority Information:
International: G01D21/00
Applicant(s) Name: Du Xinzhi
Inventor(s) Name: Du Xinzhi
Patent Agency Code: 37107
Patent Agent: zhao yan
Abstract An instrument for judging the quality of drilled hole for building foundation is composed of aboveground control system and underground camera unit. Said aboveground control system consists of output controller, analyzer, image display and printer. A computer is used for automatic analysis and outputting relative parameters.