Deep sea rock core drilling sampling device

• Main Authors: YIN WANWU, SU QIAO, DAI YU, XU LANJIN
• Format: Patent
• Language: Chinese; English
• Published: 28.05.2019
• Subjects: INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIRCHEMICAL OR PHYSICAL PROPERTIES; MEASURING; PHYSICS; TESTING

The invention discloses a deep sea rock core drilling sampling device which comprises a body frame. The body frame is provided with two square vertical rods. The outer side of the body frame is in bolt connection with an ROV installing frame, the inner side of the body frame is adopted as a sliding guide rail, a lifting platform is installed on the guide rail, a hydraulic motor and a clamping device are installed on the lifting platform, a cylinder barrel of the hydraulic cylinder is fixed to the lifting platform, a piston rod is fixed to the body frame, a circular rod is arranged on the bodyframe, a hollow rotating shaft sleeves the circular rod, a locking device is installed at the upper portion of the hollow rotating shaft, a sliding groove is formed in the outer side of the hollow rotating shaft, a drill cylinder fixing frame is installed inside the sliding groove, and a locking device limits axial displacement of the drill cylinder; seawater back flow is avoided, negative pressure is formed inside the dr