Grab type deep-sea organism sampling device

The invention discloses a grab type deep-sea organism sampling device. The grab type ocean biological sampling device can be mounted on a manned deep submersible vehicle, a ROV (remote operated vehicle) and other underwater operation platforms, and adopt an underwater manipulator to grip mollusc samples. The grab type deep-sea organism sampling device comprises a base body, a back cover, a T-shaped handle, grabs, an ejection rod, a slide frame, a tension spring, connecting rods and transverse rods. The grab type deep-sea organism sampling device has the advantages that the grabs can be opened and closed by the reset forces of a hydraulic device and the tension spring of the manipulator of the ROV or the deep submersible vehicle; the structure is simple, and the operation is easy and convenient; the type of pure mechanical mechanisms is adopted, so the reliability of equipment during underwater operation is improved.