Patent ID: 11946923
Assignee: QINGDAO UNIVERSITY OF TECHNOLOGY
Field: Measurement (Instruments)
Classification: CPC G  E | IPC E  G

Claim 4:
5. The device for monitoring freezing-thawing damage of an underwater concrete member in situ according to claim 4, wherein the upper link is connected to the concrete member and the transverse sealed box, the lower link is connected to the concrete member and the movable guide rod, and the probe launching box is connected to the auxiliary wheels, by using a locking nut, sealing is performed among the transverse sealed box, the probe launching box, and the locking nut and between the probe launching box and the secondary pulley, the transverse sealed box, the longitudinal sealed box, and the probe launching box are electrical sealed boxes made of stainless steel having a thickness of 5 mm, the upper link and the lower link are seamless steel pipes having an outer diameter of 15 mm and an inner diameter of 8 mm, the multichannel data collector is electrically connected to the probe, the frequency modulation transmitter is a bidirectional frequency modulation transmitter, the waterproof power supply #1 and the waterproof power supply #2 are both lithium batteries, the wireless temperature sensor is capable of monitoring a water temperature in real time to indicate whether the concrete member is in a freezing-thawing status, the submersible motor is an oil-filled submersible motor, the magnet #1 and the magnet #2 are both N-pole strong magnets, and the probe is an acceleration probe.