Deep-sea sediment continuous pressure maintaining coring submarine drilling machine and operation method
A deep-sea sediment and core drilling technology, which is applied in the field of deep-sea exploration technology and marine engineering, can solve the problems of low-disturbance drilling of seabed sediment, high-efficiency sediment exploration and sampling operations, and core exploration and investigation operations. , to achieve the effect of light weight, compact structure and improved efficiency
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[0041] Refer to figure 1 , figure 2 The structure of the deep-sea sediment continuous pressure-maintaining and coring subsea drilling rig of the present invention includes a base 20 on which a sampling pipe manipulator 1, a plurality of legs 5, a derrick 8, a drill pipe manipulator 11, and a pipe rack are respectively arranged 12. Hydraulic system 15, hydraulic punching tongs 16, drill pipe holder 17, underwater control system 19, these components together constitute the main body 4 of the drilling rig,
[0042] A main frame 3 is fixedly installed on the base 20. The main frame 3 is a detachable frame structure for surrounding the above-mentioned drilling rig main body 4. The lower end of the main frame 3 is connected to the upper surface of the base 20 by lugs and pins. Fixed connection, the upper end of the main frame 3 is connected with the armored suspension cable of the scientific research ship ( figure 1 Not shown in the middle), the main frame 3 can withstand all the grav...
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