CN2716493Y - Multi-point core drilling machine for automatically replacing core inner pipe in deep sea - Google Patents

Abstract

The utility model discloses an automatic change core inner tube multiple spot coring drilling machine in deep sea, it includes the frame-type frame, the device is put to rig umbilical cable hoist, the inner tube mechanism that trades of automatic change core inner tube, high-power lithium cell group, external DC AC DC-to-AC inverter, topping up AC motor, hydraulic power unit, the hydraulic pressure valve box, landing leg hydro-cylinder and main leg and auxiliary leg, through hydraulic pressure creeps into power unit and compensation and stabilizer bar mechanism, bolt formula or hydraulic cylinder promote fork pad formula card and bore safe escape device. The drilling power mechanism and the compensation and rod stabilizing mechanism thereof comprise a drilling tool holder, a through drilling power head, a through shaft for plugging and unplugging and replacing pipes, a side-mounted hydraulic motor for driving the through shaft to rotate, a power head drilling propulsion oil cylinder, a compensation rack and a compensation oil cylinder thereof. The utility model discloses can realize launching inner tube coring operation that trades many times, it is simple effective, can adapt to the change of seabed topography, job stabilization, mechanical type card bores safe escape device simple structure, the reliable operation.

Description

Pipe multiple spot core drilling rig in the core is changed at the deep-sea automatically

Technical field

The utility model relates to marine resources exploration and development equipment, especially for abyssal floor top layer SOLID MINERAL RESOURCES exploration coring, can change pipe in the core automatically, once descends the rig of water multiple spot shallow hole drilling coring.

Background technology

The exploitation of marine resources, particularly the abyssal floor top layer is that the exploitation of the mineral resources of representative is the technical field of a new developing with the manganese nodule, because conditions such as the geology of abyssal floor complexity, ocean current, pressure, land and creep under water, coring equipment all can not use, and must develop brand-new creeping into and coring equipment.At present, the seabed core drilling rig of external development remains in problem at aspects such as leveling automatically, emergency protections, the requirement of difficult adaptation deep ocean work.Chinese patent 02113334.4 discloses a kind of " deep-sea multile-bit incrusting and coring rig " (open day 2002.8.7, publication number CN1362571A), and the whole center of gravity of this core drilling rig is too high, and the drilling rod idle stroke is bigger, rig job stability existing problems; The drilling rod that is fixed on the frame is set upright the mima type microrelief variation of the difficult adaptation of guiding device seabed, easily produces drill bit laterodeviation power; Emergent automatic safety device adopts the autonomous power supply system of being made up of accumulator, solenoid operated directional valve and catapult-launching gear etc.; pull out by the hinge latch of catapult-launching gear during startup relevant connection place; reach and abandon the parts that are out of order; the purpose of protection remaining part; but structure and controlling unit are many; under the complex work condition at deep-sea, the reliability existing problems.

Summary of the invention

The objective of the invention is to overcome many drill bits of employing that above-mentioned " deep-sea multile-bit incrusting and coring rig " the exist multiple spot of realizing once plunging into the commercial sea gets core and causes the big energy consumption of rig weight to increase; the too high job stabilization of rig center of gravity is poor; drilling rod is set upright guiding device and is easily produced drill bit laterodeviation power; dispose the defectives such as emergent automatic safety device functional reliability difference of accidents such as bit freezing; provide a kind of not more bit change only automatically change in the coring pipe multiple spot of realizing once plunging into the commercial sea and get core; have the rig automatic horizontal control system and adapt to the seabed mima type microrelief and change the drilling mechanism that overcomes drill bit laterodeviation power; low and power of rig center of gravity and transmission system are reliable; job stabilization is good, is furnished with the deep-sea of simple and reliable bit freezing safe escape device and changes pipe multiple spot core drilling rig in the core automatically.

Realize that the technical scheme that the object of the invention adopts is: the deep-sea is changed the interior pipe of core multiple spot core drilling rig automatically and is comprised frame, changes interior pipe mechanism, all-hydraulic dynamical system, incidence regulating mechanism, creeps into corning machine structure, bit freezing safe escape device several main parts.Frame is a frame type, and frame top is equipped with and is used for hanging and reclaiming with rig the lowering equipment that the rig umbilical cables is connected.Be equipped with in the upper frame of frame and pipe in the core of core drilling taken out and change to pipe mechanism in the changing of a gob in-core pipe from the core outer tube, it comprises being fixedly installed in throughly creeps on the unit head upper stand, can store pipe support in the rotation of pipe in the many cores, promote the device of pipe support rotation in the rotation, catch the mechanism of extracting or inserting in the Guan Bingcong core outer tube in the core.The all-hydraulic dynamical system of rig is included in the great-power chargeable lithium battery group of installing on the chassis base of frame, be arranged at the direct current of in the sealed high pressure storehouse great-power chargeable lithium battery group being exported and convert the external DC/AC inverter of alternating current to driving pressure balanced type topping up alternating current generator, with the hydraulic power unit that above-mentioned topping up alternating current generator is a power source, the hydraulic oil of hydraulic power unit output is assigned to the hydraulic control clack box of each hydraulic actuator of rig by each hydraulic control valve.Being used for rig regulates the governor motion at rig fuselage inclination angle and comprises that the whole bench drill machine center of gravity of making of distribution triangular in shape under the chassis base that is arranged on frame is positioned at 3 rig master supporting legs of this triangle, controls 3 flexible support oil cylinders of main supporting leg after the seabed the seabed.The corning machine structure that creeps into of rig is included as the propulsive mechanism that drilling tool provides drilling pressure, and through hydraulic pressure creeps into actuating unit and compensation and steady linkage, through hydraulic pressure creeps into actuating unit and compensation thereof and steady linkage and comprises being fixed on and compensate the drilling tool hoist bed that drilling tool on the frame can pass its center, the through unit head that creeps into, creep into unit head and be provided with hollow axis, its lower end connects the core outer tube and the drill bit of drilling tool, pipe in the core is changed for plug in the upper end, the side putting type hydraulic motor is by the hollow axis rotation of gear drive, advance oil cylinder propulsion power head to make it advance guide rail to creep into and upwards carry brill downwards along compensation frame internal chute, the compensation chute is fixed on the rack framework base plate, and compensating cylinder promotes the compensation frame and moves up and down along the compensation chute.The bit freezing safe escape device of rig is a bolt-type, and by the axis of tool joint that has pin-and-hole and transmitting rotary power, and the pin-and-hole that passes on tool joint and the axis constitutes the two fixed several safety pin for one.

The chassis base of frame type frame of the present utility model is a triangle, or quadrangle, or regular hexagon, or octagon, or circular.

The utility model is according to the shape of framework soleplate and the needs of rig operation, also can be provided with 1～3 by support oil cylinder or the flexible auxiliary supporting leg of electric control gear control under the chassis base of frame, auxiliary supporting leg is arranged on the angle point or circumference that main supporting leg is not set.

Great-power chargeable lithium battery group of the present utility model comprises the battery unit that places some joint lithium batteries compositions of connecting mutually in the high-pressure chamber, can plug the lithium battery group that watertight cable is composed in series several battery units mutually with single core outside high-pressure chamber, connect the leading-out wire at every joint lithium battery two ends in each battery unit and can plug by a multicore that weather proof receptacle causes the outer single battery equalizaing charge line of high-pressure chamber and the string of whole battery group fills main charging wire.

Bit freezing safe escape device of the present utility model also can be hydraulic jack and promotes the fork cushion, comprise and be socketed on the fixed cover that the axis that creeps into unit head has fork pockets outward, the spline that creeps into moment of torsion is also transmitted in the tool joint that is connected and fixed cover and inserts in fixed cover and the axis hole, spline top has seal groove, the bottom has a cannelure, be fixed on the fork oil cylinder on the unit head, promote by the fork oil cylinder, its two yokes snap in the fork pockets and the fork of the U-shaped in the spline cannelure pad card of fixed cover.

The utility model has the advantages that: adopt lithium battery can increase battery capacity, weight reduction improves power supply reliability, and lithium battery is the dry type battery, and rig rocks the liquid that can not produce electrolysis and leaks, and there is not exhausting problem in charge and discharge process yet; DC/AC inverter-interchange topping up drive of motor, the electric machine soft starting that the realization time is controlled is effectively avoided the impact of the big electric current of electric motor starting to battery; Adopt through hydraulic pressure to creep into unit head, do not change a whole set of drilling tool and can realize once descending water repeatedly to change the coring of interior pipe, simple and reliable; The drilling mechanism compensation can adapt to sea-floor relief with steady lever apparatus and change, eliminated the drilling rod idle stroke, can overcome drill bit laterodeviation power by the drilling rod stabilizing mechanism that is loaded on the drilling mechanism head again, the whole center of gravity when reducing deep-sea rig operation simultaneously makes rig work more stable.Mechanical type bit freezing safe escape device is simple in structure, and reliable operation in the time of guaranteeing lock of tool drilling takes place, abandons drilling tool smoothly, reclaims rig, reduces the loss to greatest extent.

Description of drawings

Fig. 1 changes pipe multiple spot core drilling rig schematic diagram in the core automatically for the utility model deep-sea;

Fig. 2 is the high-power dynamic lithium battery group series connection of a utility model schematic diagram;

Fig. 3 creeps into unit head for the utility model is through and creeps into compensation and steady linkage schematic diagram;

Fig. 4 is the utility model bolt-type bit freezing safe escape device schematic diagram;

Fig. 5 promotes fork cushion bit freezing safe escape device schematic diagram for the utility model hydraulic jack.

The specific embodiment

The utility model is described in further detail below in conjunction with drawings and Examples.

The utility model deep-sea is changed the interior pipe of core multiple spot core drilling rig automatically and is comprised frame, changes interior pipe mechanism, all-hydraulic dynamical system, incidence regulating mechanism, creeps into corning machine structure, bit freezing safe escape device several main parts.Frame 4 is the pass-through type framework, and a fixedly lowering equipment 5 is set on the frame 4 top top boards, rig is put into abyssal floor firmly be connected with lowering equipment 5 with the umbilical cables that recovery comes up.Be equipped with in the upper rack framework and change the interior mechanism 6 of managing, in being placed in and changing, some interior pipe 7 storages of core manage on the interior pipe support of rotation of mechanism 6, after the bobbin clip of pipe mechanism 6 is caught and is finished the interior pipe of the core of getting core in changing, by push-pull structure it is extracted in the core outer tube of drilling tool 21, and be placed on the relevant position of pipe support in the rotation, the device that promotes pipe support rotation in the rotation in changing in the pipe mechanism 6 moves to through hollow axis 24 tops of creeping into unit head 23 with the gob in-core pipe that is inserted into, the push-pull structure of pipe mechanism 6 inserts a gob in-core pipe in the core outer tube of drilling tool again in changing, and begins a new round then and creeps into coring.But all-hydraulic dynamical system comprises the great-power chargeable lithium battery group 2 that balance charge/discharge is installed on the chassis base of frame 4, it adopts n * m to save lithium battery, every n joint lithium battery is connected mutually, place in the high-pressure chamber 17, form a battery unit 16, m such battery unit 16, can plug watertight cable series connection mutually outside high-pressure chamber by single core, form lithium battery group 15, the two ends of battery pack have two strings to fill main charging wire 19, simultaneously pick out two charging wires at every joint lithium battery two ends, the n-1 root charging wire in each battery unit 16 can plug weather proof receptacle by a multicore and cause high-pressure chamber and become single battery equalizaing charge line 18 outward.Adopting high-power charger to carry out big electric current string by 19 pairs of whole battery group of two main charging wires during charging earlier fills, monitor to stop when a certain batteries reaches rated voltage going here and there by equalizaing charge line 18 simultaneously and fill, by 18 pairs of single battery boost charges of single battery equalizaing charge line, guarantee that every batteries all can reach rated voltage subsequently.The DC/AC inverter 9 that is provided with becomes alternating current with the direct current of great-power chargeable lithium battery output, drives inner supercharging pressure balanced type alternating current generator 10, and the DC/AC inverter is placed in the high-pressure chamber of sealing.Adopt in the high-pressure chamber conduction and convection current measure to pour into the good heat-conducting liquid of insulating properties, a large amount of heats that produce when making inverter work conduct to seawater to carry out heat loss through conduction by the high-pressure chamber external surface, and the operating ambient temperature that guarantees inverter is at tolerance band.Adopt topping up alternating current generator+inverter transmission, motor can be realized the soft start that the time is controlled, has effectively avoided the impact of the big electric current of electric motor starting to the lithium battery group.Exchange the power source of topping up motor as hydraulic power unit 12, it drives the hydraulic pump running of hydraulic power unit 12, the hydraulic oil of hydraulic power unit output is sent into hydraulic pressure clack box 11 by oil pipe, and by dividing branch oil pipe and hydraulic pressure clack box 11 each interior hydraulic control valves to be connected, by the control program of setting and the instruction of control system hydraulic oil is assigned to corresponding hydraulic actuator in an orderly manner through each control valve valve and loop oil pipe then, as: hydraulic jack, hydraulic motor.Drilling rig hydraulic system is provided with attitude leveling loop, drilling mechanism compensation circuit, multistage the pressure of the drill regulating loop, rotary drilling loop, plugs tube loop, grabs tube loop, the replace tubes loop, constitute a complete full hydraulic system, finish attitude adjustment after the rig deep-sea the end, creep into that the position, hole is determined, perforate is crept into and the core of choosing in pipe, change pipe in the core, realize every function of multiple spot boring and coring.

Incidence regulating mechanism comprises 13,3 the main supporting leg distributions triangular in shape of 3 rig master supporting legs that are provided with under frame 4 chassis bases, and should guarantee that the center of gravity of whole bench drill machine falls within this triangle.Article 3, main supporting leg is driven by separately hydraulic jack, and whether the rig that control system arrives according to the sensor monitors of installing on the rig data of balance, control the flexible of main supporting leg by hydraulic jack, realize attitude adjustment and balance after the rig deep-sea the end.The chassis base shape of frame 4 is triangle preferably, quadrangle, and regular hexagon, octagon is appointed in circular several geometric figures and is selected one, also can be other shape, determines according to the operating feature of rig.In order to strengthen the stability of rig operation under sea bottom complex terrain, 1～3 auxiliary supporting leg 14 can also be set under the chassis base of frame 4, auxiliary supporting leg 14 is driven by hydraulic jack or electric control gear separately, it is to stretch out after main supporting leg is finished attitude adjustment and locking again, its action is different with main supporting leg with control mode, promptly as long as supporting leg contacts the seabed, with regard to automatic stop.Mainly use 3 main supporting legs 13 generally speaking, special circumstances re-use auxiliary supporting leg 14.

Rig is put into abyssal floor by umbilical cables and after attitude adjustment and balance, still there is one section uncertain distance because of the sea bottom surface injustice between the drilling tool and the rock that will drill through, to cause drill bit laterodeviation power as the non-perpendicular rock face that pierces of drill bit, influence is crept into and is got the core effect, even damages drilling tool.For this reason, the corning machine structure that creeps into of the present utility model is provided with a through hydraulic pressure and creeps into actuating unit and compensation thereof and steady linkage.This mechanism comprises steady lever apparatus, can allow drilling tool 21 pass the drilling tool hoist bed 20 at its center, and it is fixed on the compensation frame 28, and moves with the compensation frame.The core outer sleeve upper of drilling tool 21 is connected on the through hollow axis 24 that creeps into unit head 23, and the upper end of axis 24 can penetrate the core outer tube for pipe 7 in the core, so that pipe in the core is changed in plug, realizes that the rig multiple spot gets core.Creep into unit head 23, drilling tool hoist bed 20 under 26 effects of compensation hydraulic jack, drop to rock face along compensation chute 29 integral body that are fixed on the chassis base of borer frame 4 one with compensation frame 28, drilling tool hoist bed 20 holds out against scar earlier and determines the position, hole, the laterodeviation power slippage that drilling tool can not produce because of rock out-of-flatness face under the support of steady lever apparatus can guarantee that drill bit perforate under stable condition creeps into.Creep into side putting type hydraulic motor 22 is installed on the unit head 23, hydraulic motor 22 drives drilling tool 21 revolutions by gear drive axis 24, advance oil cylinder 25 downward thrust power heads, the propelling guide rail 27 that is fixed on the unit head is moved down along the internal chute that compensates frame 28, to drilling tool 21 pressurizations.Also be provided with propulsive mechanism [8] simultaneously, it also provides drilling pressure to creep into coring for drilling tool [21].After coring is finished, advance oil cylinder 25 upwards to extract unit head again, begin to change pipe operation in the core.Through hydraulic pressure creeps into actuating unit and compensation thereof and steady linkage makes the rig can operation in the various complex-terrain environment in seabed, can reduce the whole center of gravity of rig when rig carries out bore operation, assurance rig stable working state.

Because the remaining part of rig is protected and reclaimed to the seabottom geology complicated condition in order to abandon the drilling tool that is blocked when lock of tool drilling occurring,, the utility model is provided with two kinds of bit freezing safe escape devices.A kind of bit freezing safe escape device is a bolt-type, it is to have corresponding pin-and-hole on the joint 31 of drilling tool 21 with on the hollow axis 24 that creeps into unit head 23 transmission rotary motive powers respectively, insert pin-and-hole with safety pin 32 through the strictness test, with the two fixed be one, the number of safety pin is crept into the formation hardness of getting core according to need and is determined, is generally 3～8.When boring and coring generation lock of tool drilling, made progress by force by the hydraulic coupling that advances oil cylinder 25 and to have pulled out, cut off safety pin, drilling tool promptly breaks away from rig, and rig can return safely.

Another kind of bit freezing safe escape device is that hydraulic jack promotes the fork cushion, it is fixed cover 35 of socket outside the axis 24 that creeps into unit head 23, has fork pockets 36 on the fixed cover 35, and tool joint 40 is inserted in fixed cover and the axis hole, with spline 38 the two is connected, and transmit and creep into moment of torsion.Spline top has seal groove 37, and O-ring seals snaps in seal groove 37 and cooperates the realization flushing water to seal with unit head axis 24.The spline bottom has a cannelure 39, and cannelure 39 is corresponding with the fork pockets 36 on the fixed cover 35.Creep into and fix a fork oil cylinder 33 on the unit head, connecting U-shaped fork pad card 34 on the piston rod of fork oil cylinder 33, two yokes of U-shaped fork pad card 34 snap in the fork pockets 36 and spline cannelure 39 of fixed cover, will creep into unit head and drilling rod is connected as a single entity, and transmit the power that drilling tool moves up and down.When rig generation lock of tool drilling, by fork oil cylinder 33 U-shaped fork pad card 34 is withdrawed from from the drilling rod cannelure, advance oil cylinder 25 upwards to mention unit head, drilling tool promptly breaks away from rig, and rig can return safely.

Claims (5)

1. A multi-point coring drilling rig for deep sea automatic replacement of rock core inner tubes, characterized in that it includes a frame frame (4), and the top of the frame (4) is provided with a hanging device for connecting the umbilical cable for hanging and recovering the drilling rig (5); The inner pipe mechanism (6) that the rock core inner pipe (7) of the drilled rock core is taken out and changed into an empty rock core inner pipe (7) is installed in the upper frame of the frame (4) ), which includes a rotating inner tube frame that is fixedly installed on the frame (4) at the top of the through-type drilling head (23) and can store a plurality of core inner tubes (7), and a device that promotes the rotation of the rotating inner tube frame, A mechanism that grasps the core inner tube (7) and pulls out or inserts it from the core outer tube; the full hydraulic power system of the drilling rig includes a high-power rechargeable lithium battery pack (2 ), which is set in the sealed high-pressure chamber to convert the direct current output by the high-power rechargeable lithium battery pack into alternating current to drive the external DC/AC inverter (9) of the pressure-balanced liquid-filled AC motor (10) to fill the liquid The AC motor (10) is the hydraulic pump station (12) as the power source, and the high-pressure oil output by the hydraulic pump station (12) is distributed to the hydraulic control valve box (11) of each hydraulic actuator of the drilling rig through each hydraulic control valve; The adjusting mechanism of the inclination angle of the fuselage behind the seabed includes 3 drilling rig main legs (13) that are arranged under the frame bottom plate of the frame (4) and are distributed in a triangle so that the center of gravity of the whole drilling rig is located in the triangle, and control the main legs (13). 13) Three retractable outrigger cylinders (1); the drilling and coring mechanism of the drilling rig includes the propulsion mechanism (8) that provides drilling pressure for the drilling tool (21), the through-type hydraulic drilling power mechanism and its compensation and rod stabilization Mechanism, the through-type hydraulic drilling power mechanism and its compensation and rod stabilizing mechanism include a drilling tool supporter (20) fixed on the compensation frame (28), and the drilling tool (21) can pass through its center, and the through-type drilling The power head (23), the drilling power head is provided with the lower end connected to the core outer casing of the drilling tool (21) and the drill bit, and the upper end is used for plugging in and out to replace the hollow shaft (24) of the core inner pipe (7). Drive the side-mounted hydraulic motor (22) of the through shaft (24) to rotate, push the power head (23) to make it push the guide rail (27) along the inner chute of the compensation frame (28) to drill and lift the drill cylinder (25 ), the compensation chute (29) fixed on the frame (4) frame bottom plate, the compensation oil cylinder (26) that promotes the compensation frame (28) to move up and down along the compensation chute (29); It is a pin type, consisting of a drill joint (31) with a pin hole, a through shaft (24) that transmits rotational power, and several joints that pass through the pin hole on the drill joint and the through shaft to consolidate the two into one. Safety pin (32) constitutes. 2. The multi-point coring rig for automatically replacing core inner pipes in deep sea according to claim 1, characterized in that the frame bottom plate of the frame (4) is triangular, or quadrangular, or regular hexagonal, or regular octagonal, or round. 3. The deep-sea multi-point coring rig with automatic replacement of core inner tubes according to claim 1 or 2, characterized in that 1 to 3 outrigger cylinders or electronically controlled The device controls the telescopic auxiliary legs (14). 4. The multi-point coring rig for automatically replacing core inner tubes in deep sea according to claim 1, characterized in that the high-power rechargeable lithium battery pack (2) includes a series of high-voltage chambers (17) A battery unit (16) composed of several lithium batteries, a lithium battery pack (15) formed by connecting several battery units (16) in series with each other outside the high-pressure chamber with a single-core pluggable watertight cable, and connecting each battery unit in each battery unit. The outgoing lines at the two ends of the lithium battery are led to the single-cell battery equalizing charging line (18) outside the high-pressure chamber and the series charging main charging line (19) of the whole battery pack by a multi-core pluggable watertight plug. 5. The deep-sea multi-point coring rig with automatic replacement of core inner tubes according to claim 1, characterized in that the safety escape device for stuck drill is a hydraulic cylinder pushing fork pad type, which includes a drilling power head socketed The through shaft (24) has a fixed sleeve (35) with a fork groove (36) outside, which is connected to the fixed sleeve and the spline (38) fixed on the drill pipe joint (40) to transmit the drilling torque, and the spline (38) The upper part is provided with a sealing ring groove (37), and the lower part is provided with an annular groove (39). The fork oil cylinder (33) fixed on the drilling power head (23) is driven by the fork oil cylinder (33). The yoke is snapped into the U-shaped fork pad card (34) in the fixed sleeve fork groove (36) and the splined annular groove (39).

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