Novel submarine deep hole pressure maintaining and core drilling rig
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A drilling rig and deep hole technology, which is applied in underwater drilling, earthwork drilling, extraction of undisturbed core devices, etc., can solve the problems of limited drilling depth of drill pipes, unfavorable deep hole drilling, and inability to store samples under pressure. The effect of improving coring efficiency, low cost of use, and simplifying the pressure-holding process
Inactive Publication Date: 2014-04-02
HANGZHOU DIANZI UNIV
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However, this mechanism is also unable to store samples under pressure, and limited by the size of the disc, the drilling depth of the drill pipe is relatively limited, which is not conducive to deep hole drilling
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[0026] The present invention will be further described below in conjunction with accompanying drawing.
[0027] Such as figure 1 and figure 2 As shown, the new submarine deep-hole pressure-holding core drilling rig includes an outer frame 3, a support leveling mechanism 4, a drill pipe and core tube storage mechanism 5, a power head mechanism 1, a rope coring mechanism 2, a main manipulator 7, and an auxiliary manipulator 8. Assembly manipulator 6, pressure cap storage mechanism 9, hydraulic motor 11, drill pipe 13, core pipe 12 and hydraulic power system 10 of the drilling rig.
[0028] Such as figure 1 and figure 2 As shown, three supporting leveling mechanisms 4 are evenly distributed on the outer side of the cylindrical outer frame 3, and the supporting leveling mechanism 4 is composed of three identical telescopic supporting legs, and each supporting leg is composed of a hydraulic motor, a lead screw , sliders, long brackets, short brackets, hinges and related conne...
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Abstract
The invention relates to a novel submarine deep hole pressure maintaining and core drilling rig. The space of a drilling rig is insufficiently used by an existing device, and the processes of drilling, sampling and pressure maintaining for samples are complicated. The novel submarine deep hole pressure maintaining core drilling rig comprises an outer frame, a support leveling mechanism, a drilling pipe and core barrel storage mechanism, a power head mechanism, a rope core-stripping mechanism, a main manipulator, an auxiliary manipulator, an assembly manipulator, a pressure maintaining cover storage mechanism, a hydraulic motor, a drilling pipe, a core barrel and a hydraulic power system, wherein the main manipulator (the auxiliary manipulator) comprises a hydraulic lifting cylinder, a rotary support column, a base, a pipe taking gripper and a telescopic arm, and the assembly manipulator comprises a rotary support column, an upper pressing cover arm, a lower pressing cover arm, a rotary cover mechanism and a base. The space of the drilling rig is sufficiently used for storing more drilling pipes and core barrels, the drilling rig is applicable to multi-depth drilling places, the pressure of a sample can be maintained, operation is convenient in the pressure maintaining process, and cost is low.
Description
technical field [0001] The invention belongs to the technical field of marine exploration machinery and equipment, and relates to a novel seabed deep-hole pressure-maintaining core drilling rig. Background technique [0002] The development of marine resources, especially the development of seabed mineral resources is a new technical field, but the detection of seabed resources is difficult due to the constraints of changing geology and ocean currents. extremely high requirements. Most of the existing deep-sea mineral exploration equipment uses deep-sea drilling rigs or corers for deep-sea in-situ measurement. Such exploration equipment often needs to be realized by remotely connecting and unloading multi-section drill pipes when performing deep hole drilling. [0003] Patent 190310107888.0 discloses a deep-sea coring device with pre-feed and pre-positioning devices. The mechanism utilizes two pre-propelled hydraulic cylinders installed in parallel to replace the complex ...
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