Oil liquid detection system for shield tunneling machine

The utility model discloses a shield tunneling machine oil liquid detection system which comprises a driving box, an oil liquid sampling opening is formed in the bottom of the driving box, a first double nipple, a first ball valve and an oil storage pipe are sequentially arranged on the oil liquid sampling opening in a communicated mode, an oil outlet hole is formed in the center of the bottom of the oil storage pipe, and a second double nipple is welded to the oil outlet hole. The utility model relates to the technical field of hydraulic pressure, and by transforming a driving box of a main drive, an oil sample can be conveniently taken for inspection in the operation process of the main drive. By increasing the number of times of detecting the oil pollution degree of the main drive, problems can be found and solved in advance, and the service life of the main drive can be greatly prolonged. 本实用新型公开了一种盾构机油液检测系统，包括驱动箱，驱动箱底部开设有油液取样口，油液取样口上依次连通设有一号对丝、一号球阀及储油管，储油管底部中心处开设有出油孔，出油孔焊接有二号对丝，二号对丝远离储油管的一端连通有二号球阀，涉及液压技术