06-06-2023 дата публикации
Номер: CN116220031A
Принадлежит:
The invention belongs to the field of pile pulling, and particularly relates to a pile washing nozzle head system which comprises a nozzle head, a blocking block, a trigger rod, a spring A, a sliding plug, a spring B, a circular ring A, a circular ring B, an arc plate, a circular ring C, a spring C, a circular ring D, a pull rod, a circular ring F, a cover plate, a baffle and a volute spring. And the coaxial circular groove A and the circular groove C at the upper end and the lower end of the nozzle head are communicated through a coaxial circular groove B with the same diameter as the optical fiber probe. The device is simple in structure, convenient to install and capable of meeting operation requirements under various complex geological conditions, the cover plate protects the nozzle head in the downward probing process of the nozzle head, the nozzle head is effectively prevented from being blocked, the safety of platform operation is improved, and the service life of the platform is ...
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