CN111003113A

CN111003113A - Offshore exploration platform

Info

Publication number: CN111003113A
Application number: CN201911396703.XA
Authority: CN
Inventors: 刘学举; 高长岭; 明前军; 李荣峰; 万友; 周永
Original assignee: Jiangsu Provincial Institute Of Hydrogeology And Engineering Geology
Current assignee: Jiangsu Provincial Institute Of Hydrogeology And Engineering Geology
Priority date: 2019-12-30
Filing date: 2019-12-30
Publication date: 2020-04-14

Abstract

The invention discloses an offshore exploration platform, which relates to the technical field of geological exploration equipment and comprises a ship body, wherein a first exploration platform and a second exploration platform are arranged on the ship body, the first exploration platform is positioned at one side of the ship body, the second exploration platform is arranged on the ship body in a lifting way, the platforms at one side of the first exploration platform and the second exploration platform extending out of the ship body are both provided with mounting holes, drill rods are inserted into the two mounting holes, the protective sleeve is sleeved on the drill rod, the drill rod and the protective sleeve both extend into the seabed, a winch is arranged on the second exploration platform, a steel wire rope on the winch is fixedly connected with the top of the drill rod, a lifting assembly is arranged on the part, located on the second exploration platform, of the protective sleeve, a plurality of counterweight assemblies are arranged at the bottom of the ship body, and the lifting assembly and the counterweight assemblies are electrically connected. The invention has the effect of being capable of rapidly lifting the protective sleeve to improve the submarine exploration precision.

Description

Offshore exploration platform

Technical Field

The invention relates to the technical field of geological exploration equipment, in particular to an offshore exploration platform.

Background

At present, offshore wind, wave, tide and flow are comprehensively influenced by a plurality of factors, so that offshore exploration environments are complex and changeable, exploration operation environments in different sea areas are greatly different, the sea surface is wide, the sea depth is greatly changed, the surge fluctuation is large, the seawater flow rate is high, and offshore engineering drilling faces more technical problems under complex sea conditions.

Chinese patent No. CN101643110B discloses a single-side cantilever type offshore exploration platform system, which comprises a work boat, wherein a plurality of anchor machines are arranged on the work boat; the single-side cantilever exploration platform is characterized in that at least two sections of steel are arranged on a deck of a working ship, a plurality of supports stretch over the sections of steel and extend out of one side of a ship body, a floor and channel steel are laid on the supports, the position of the channel steel corresponds to the sections of steel, the channel steel is fixedly connected with the sections of steel through the supports, and the parts of the supports and the floor extending out of the ship body are the cantilever sides of a working area; the drilling tower is arranged on the single-side cantilever exploration platform; the equipment is arranged on the exploration platform and comprises a drilling machine positioned in the cantilever side of a working area and a slurry pump positioned on a ship body.

The above prior art solutions have the following drawbacks: when the sea level has large fluctuation, the exploration platform floats upwards or descends along with the working ship, and at the moment, enough space and time are not available for increasing or decreasing the protective sleeve, so that the accuracy of offshore exploration is easily reduced.

Disclosure of Invention

According to the defects in the prior art, the invention aims to provide an offshore exploration platform which has the effects of being capable of rapidly lifting a protective sleeve and improving the submarine exploration precision.

The technical purpose of the invention is realized by the following technical scheme:

an offshore exploration platform comprises a ship body, wherein a first exploration platform and a second exploration platform are arranged on the ship body, the first exploration platform is positioned at one side of the ship body, the second exploration platform is arranged on the ship body in a lifting way, the platforms at one side of the first exploration platform and the second exploration platform extending out of the ship body are both provided with mounting holes, drill rods are inserted into the two mounting holes, the drill rod is sleeved with a protective sleeve, the drill rod and the protective sleeve both extend into the seabed, the second exploration platform is provided with a winch, a steel wire rope on the winch is fixedly connected with the top of the drill rod, a lifting assembly is arranged on the part of the protective sleeve positioned on the second exploration platform, the bottom of the ship body is provided with a plurality of counterweight components, and the lifting component is electrically connected with the counterweight components;

the lifting assembly comprises a first lead screw and a second lead screw which are arranged in parallel, the first lead screw and the second lead screw are both fixed on a second exploration platform, the end parts of the first lead screw and the second lead screw are respectively connected with a first gear and a second gear, the first gear and the second gear are arranged in a mutually meshed manner, the first gear is connected with a motor, a lifting block is arranged between the first lead screw and the second lead screw, a reversing component is arranged between the first lead screw and the lifting block, and the lifting block is fixedly connected with the protective sleeve;

the counterweight assembly comprises a plurality of counterweight barrels, the counterweight barrels are respectively located at the corners of the ship body, a gravity sensor is arranged at the bottom of each counterweight barrel, the gravity sensor is electrically connected with the motor, each counterweight barrel is provided with a water inlet and a water outlet, and the water inlets are provided with automatic water inlet assemblies.

By adopting the technical scheme, the protective sleeve is sleeved on the drill rod, the winch is started to enable the drill rod sleeved with the protective sleeve to penetrate through the two mounting holes and then stretch into the seabed, and exploration is carried out on the seabed. When the sea has large fluctuation, the ship body can swing along with the sea wave, the ship body can easily float on the sea surface, the ship body is easy to swing due to the impact of the sea wave, and therefore the counterweight barrel is arranged. When the gravity sensor senses that the seawater in the counterweight barrel is increased gradually, the motor can be turned on, and the output shaft of the motor rotates to drive the first gear and the second gear to rotate. Thereby drive first lead screw and second lead screw and rotate to can extend protective case towards the seabed through the elevator, thereby can make protective case can be in the seabed. When the sea fluctuation is very small or the wind is calm, the ship body shakes less at sea and is in a stable position, the lifting block is lifted by the reversing component, and the protective sleeve can be arranged on the sea bottom. Therefore, the protective sleeve can be quickly lifted when the ship body shakes to a large extent.

The present invention in a preferred example may be further configured to: the two ends of the lifting block are respectively provided with a first thread and a second thread, the first thread is connected with the first lead screw in a matching way, the second thread is connected with the second lead screw in a matching way, the reversing component comprises a fixed rod and a movable block, the two ends of the fixed rod are respectively fixed at the two ends of the second lead screw, the movable block is movably connected with the fixed rod, the movable block is provided with a first connecting rod and a second connecting rod, the axis of the first connecting rod is parallel to the axis of the first lead screw, the lifting block is rotatably connected with the first connecting rod, the second connecting rod is sleeved with a first rotating rod and a second rotating rod, the fixed rod is provided with a first limiting block and a second limiting block, one end of the first rotating rod, which is far away from the second connecting rod, is positioned between the first limiting block and the second limiting block, the second dwang is close to the one end of second connecting rod is provided with the fixation clamp of "U" type perpendicularly, the elevator is close to the position of head rod is provided with the fixed block, the fixation clamp with the fixed joint of fixed block, first dwang is kept away from the tip of second connecting rod with the second dwang is kept away from all be provided with first spring between the tip of second connecting rod.

Through adopting above-mentioned technical scheme, interconnect between with first dwang and the second dwang through first spring, thereby can restrict the relative motion between first dwang and the second dwang, consequently when first lead screw and second lead screw pivoted, can drive the movable block and remove, when the movable block lasts the removal, first dwang is strikeed with first stopper or second stopper easily, when striking first stopper or second stopper, and first spring will stimulate first dwang and rotate when continuing to go forward, when first dwang rotated, can drive the fixation clamp and rotate, thereby can make the fixed block rotate, can make the lifter switching-over. So that the cyclic operation between the first and second turning levers enables the elevator block to be switched back and forth between the first and second lead screws.

The present invention in a preferred example may be further configured to: one side of the moving block, which is close to the fixed rod, is provided with a first limiting column and a second limiting column, and the first rotating rod is located between the first limiting column and the second limiting column.

Through adopting above-mentioned technical scheme, the setting of first spacing post and the spacing post of second can restrict the turned angle of first rotation pole, can make first rotation pole be between first stopper and second stopper all the time.

The present invention in a preferred example may be further configured to: the automatic water inlet assembly comprises a conical plug, the conical plug comprises a large end and a small end, the small end is arranged in the water inlet in a penetrating mode, a plurality of first limiting rods are hinged to the edge of the water inlet, the large end is hinged to a plurality of second limiting rods, and the first limiting rods are hinged to the second limiting rods in a one-to-one mode.

By adopting the technical scheme, when the sea has large fluctuation, the ship body can swing along with the sea wave, the sea wave impacts the conical plug, the conical plug and the water inlet are easily loose in connection, and seawater enters the counterweight barrel. Because there is great fluctuation at sea, when the hull can be swung along with the wave, the wave is great, and the hull rocks easily to can improve the stability of hull through the counter weight bucket. The setting of first gag lever post and second gag lever post can carry on spacingly to the position of toper stopper to can make the toper stopper be difficult to with the water inlet disconnection.

The present invention in a preferred example may be further configured to: a plurality of second springs are respectively arranged between the edge of the water inlet and the large end, and when the second springs are not stressed, the small end and the water inlet are arranged in a sealing mode.

Through adopting above-mentioned technical scheme, the effect that resets can be played in the setting of second spring, and is very little or calm and calm when marine fluctuation, and the hull rocks lessly at sea, is in when more steady position. The second spring can be through self resilience force with the conical plug with the water inlet is connected again to seal the water inlet.

The present invention in a preferred example may be further configured to: the protective sleeve is positioned on the part of the first exploration platform and is arranged to be detachably connected, the protective sleeve comprises a first sleeve and a second sleeve, a detachable sleeve is arranged between the first sleeve and the second sleeve, and two ends of the detachable sleeve are respectively connected with the first sleeve and the second sleeve in a clamped mode.

Through adopting above-mentioned technical scheme, when needs go up and down to protective case, can also artificial increase or reduce the sleeve pipe of dismantling and be connected between first sleeve pipe and the second sleeve pipe to the lift of control protective case that can be further.

The present invention in a preferred example may be further configured to: the detachable casing comprises two semicircular arc casings, two semicircular arc casings are arranged along the axial direction of the casings and are hinged to each other, a plurality of first locking blocks and a plurality of first locking grooves are arranged at two ends of the detachable casing respectively, the first casing is close to one end of the second casing is provided with a plurality of second locking blocks, the second casing is close to one end of the first casing is provided with a plurality of second locking grooves, the first locking blocks are connected with the second locking grooves in a one-to-one mode, and the second locking blocks are connected with the first locking grooves in a one-to-one mode.

Through adopting above-mentioned technical scheme, when the sleeve pipe can be dismantled in the installation, will dismantle the sleeve pipe earlier and open the cover along articulated department and establish on the drilling rod, connect first latch segment and second locking groove to and second latch segment and first locking groove are connected, thereby can install the sleeve pipe that can dismantle between first sleeve pipe and second sleeve pipe.

The present invention in a preferred example may be further configured to: the detachable sleeve is provided with a plurality of, the both ends of detachable sleeve are provided with a plurality of first locking ring and a plurality of first locking hook respectively, first sleeve with the second sleeve is close to the one end of detachable sleeve is provided with a plurality of second locking ring and a plurality of second locking hook respectively, and a plurality of first locking hook respectively with a plurality of the second locking ring one-to-one is connected, and a plurality of the second locking hook respectively with a plurality of first locking ring one-to-one is connected.

Through adopting above-mentioned technical scheme, will dismantle the sleeve pipe and install after between first sleeve pipe and second sleeve pipe, will connect first locking hook and second locking ring to and second locking hook and first locking ring are connected, thereby can be with dismantling firm the installing between first sleeve pipe and second sleeve pipe.

In summary, the invention includes at least one of the following beneficial technical effects:

1. through the arrangement of the lifting assembly, the protective sleeve can be quickly lifted, so that the submarine exploration precision is improved;

2. the arrangement of the counterweight component can achieve the effect of improving the stability of the ship body, so that the submarine exploration can be more accurate, namely the submarine exploration precision is further improved;

3. through the setting that can dismantle the sheathed tube, can play the effect that manual control protective case goes up and down.

Drawings

FIG. 1 is a schematic diagram of the overall structure of a double-deck offshore exploration platform.

Fig. 2 is a partially enlarged schematic view of a portion a in fig. 1.

Fig. 3 is a schematic structural view for embodying the lifting assembly and the counterweight assembly.

Fig. 4 is a partially enlarged schematic view of a portion B in fig. 3.

Fig. 5 is a partially enlarged schematic view of a portion C in fig. 4.

Fig. 6 is a partially enlarged schematic view of a portion D in fig. 3.

Fig. 7 is a partially enlarged schematic view of a portion E in fig. 6.

Fig. 8 is a schematic view of the structure of the protective sleeve.

In the figure, 1, a ship body; 2. a first survey platform; 21. a second survey platform; 22. mounting holes; 3. a drill stem; 31. protecting the sleeve; 311. a first sleeve; 312. a second sleeve; 313. a detachable sleeve; 3131. a semi-circular arc casing; 3132. a first locking block; 3133. a first locking groove; 3134. A first locking ring; 3135. a first locking hook; 32. A drill bit; 33. a drilling machine; 4. a winch; 5. a lifting assembly; 51. a first lead screw; 52. a second lead screw; 53. a first gear; 54. a second gear; 55. a motor; 56. a lifting block; 561. a first thread; 562. a second thread; 563. a fixed block; 57. a diverting member; 571. fixing the rod; 5711. a first stopper; 5712. a second limiting block; 572. a moving block; 5721. a first connecting rod; 5722. a second connecting rod; 5723. a first rotating lever; 5724. a second rotating lever; 5725. a fixing clip; 5726. a first limit post; 5727. a second limit post; 573. a first spring; 6. a counterweight assembly; 61. a counterweight barrel; 62. a gravity sensor; 63. a water inlet; 64. a water outlet; 65. an automatic water inlet assembly; 651. a conical plug; 652. a large end; 653. a small end; 654. a first limit rod; 655. a second limiting rod; 656. a second spring; 7. a drain pipe; 71. a water pump; 8. a control cabinet.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Referring to fig. 1 and 2, the offshore exploration platform disclosed by the invention comprises a hull 1, wherein a first exploration platform 2 and a second exploration platform 21 are arranged on the hull 1, the first exploration platform 2 is positioned on one side of the hull 1, the second exploration platform 21 is arranged on the hull 1 in a raised manner, the first exploration platform 2 and the second exploration platform 21 are arranged in a mutually overlapped manner, mounting holes 22 are respectively formed in the platforms at the sides, extending out of the hull 1, of the first exploration platform 2 and the second exploration platform 21, the two mounting holes 22 are coaxially arranged, drill rods 3 are respectively inserted into the two mounting holes 22, a winch 4 is arranged on the second exploration platform 21, a steel wire rope on the winch 4 is fixedly connected with the tops of the drill rods 3, and the winch 4 can control the drill rods 3 to lift through the steel wire rope. A drill bit 32 is arranged at one end of the drill rod 3 extending into the seabed, a drilling machine 33 is arranged on the second exploration platform 21, the output end of the drilling machine 33 is fixedly connected with the drill rod 3, the drill bit 32 is controlled to rotate by the drilling machine 33, and the lifting of the drill rod 3 is controlled by the winch 4. In order to protect the drill rod 3, a protective sleeve 31 is sleeved on the drill rod 3, and both the drill rod 3 and the protective sleeve 31 extend into the seabed. The hull 1 is prone to float or descend when there is or is not a wave in the sea surface, and therefore the lifting assembly 5 is provided on the portion of the protective sleeve 31 that is located on the second survey platform 21. When the sea has large fluctuation and the ship body can swing along with sea waves, such as flood tide, the ship body 1 is easy to float on the sea surface, the ship body 1 is easy to shake due to the impact of the sea waves, therefore, a plurality of counterweight components 6 are arranged at the bottom of the ship body 1, and the lifting component 5 is electrically connected with the counterweight components 6.

Referring to fig. 4 and 5, the lifting assembly 5 includes a first lead screw 51 and a second lead screw 52 which are arranged in parallel, the first lead screw 51 and the second lead screw 52 are both vertically fixed on the second exploration platform 21, and the first lead screw 51 and the second lead screw 52 are arranged in parallel. The ends of the first lead screw 51 and the second lead screw 52 far away from the second exploration platform 21 are respectively connected with a first gear 53 and a second gear 54, the first gear 53 and the second gear 54 are arranged in a meshed manner, and a motor 55 is connected to the first gear 53, that is, an output shaft of the motor 55 rotates to drive the first gear 53 and the second gear 54 to rotate. Be provided with between first lead screw 51 and the second lead screw 52 and go up and down the piece 56, the both ends of piece 56 all are provided with first screw 561 and second screw 562, first screw 561 is connected with first lead screw 51 cooperation, second screw 562 is connected with second lead screw 52 cooperation, the one end that first lead screw 51 was kept away from to piece 56 is provided with switching-over component 57, with piece 56 and protective case 31 fixed connection, consequently, piece 56 can drive protective case 31 and move together when moving on first lead screw 51 and second lead screw 52. When the sea has large wave motion and the ship body can swing along with the sea wave, such as flood tide, the motor 55 drives the first lead screw 51 and the second lead screw 52 to rotate, so that the protective sleeve 31 can be extended towards the seabed by descending the lifting block 56, and the protective sleeve 31 can be positioned on the seabed. When the sea wave is small or the wind is calm, the ship body shakes less at sea and is in a stable position, such as when the tide falls off, the lifting block 56 is lifted through the reversing member 57, and the protective sleeve 31 can be positioned on the sea bottom.

Referring to fig. 5, the reversing member 57 includes a fixing rod 571 and a moving block 572, two ends of the fixing rod 571 are respectively fixed at two ends of the second lead screw 52, the moving block 572 is movably connected with the fixing rod 571, the moving block 572 is provided with a first connecting rod 5721 and a second connecting rod 5722, an axis of the first connecting rod 5721 is parallel to an axis of the first lead screw 51, the lifting block 56 is sleeved on the first connecting rod 5721, the lifting block 56 is rotatably connected with the first connecting rod 5721, the second connecting rod 5722 is sleeved with a first rotating rod 5723 and a second rotating rod 5724, the fixing rod 571 is provided with a first stopper 5711 and a second stopper 5712 (as shown in fig. 4), one end of the first rotating rod 5723, which is far away from the second connecting rod 5722, is arranged between the first stopper 5711 and the second stopper 5712, that is, the first rotating rod 5723 is limited by the first stopper 5711 and the second stopper 5712. One end of the second rotating rod 5724 close to the second connecting rod 5722 is vertically provided with a fixing clamp 5725 of a U shape, the position of the lifting block 56 close to the first connecting rod 5721 is provided with a fixing block 563, the fixing clamp 5725 is fixedly clamped with the fixing block 563, and when the fixing clamp 5725 rotates, the fixing block 563 can be driven to rotate. A first spring 573 is provided at each of an end portion of the first rotating lever 5723 remote from the second connecting lever 5722 and an end portion of the second rotating lever 5724 remote from the second connecting lever 5722. The first rotating lever 5723 and the second rotating lever 5724 are connected to each other by a first spring 573, so that the relative movement between the first rotating lever 5723 and the second rotating lever 5724 can be restricted. When the first lead screw 51 rotates, the lifting block 56 can be driven to move upwards, so that the protective sleeve 31 can be driven to move upwards. When needs commutate, first lead screw 51 continues to rotate, can drive movable block 572 and remove, when movable block 572 continues to remove, first rotation pole 5723 is strikeed with second stopper 5712 easily, and first spring 573 will stimulate first rotation pole 5723 and rotate when continuing to go forward once more, when first rotation pole 5723 rotates, can drive fixation clamp 5725 and rotate, thereby can make fixed block 563 rotate, can make the switching-over of elevator 56 be connected with second lead screw 52. A first limiting column 5726 and a second limiting column 5727 are arranged on one side, close to the fixing rod 571, of the moving block 572, and the first rotating rod 5723 is located between the first limiting column 5726 and the second limiting column 5727. The first stopper 5726 and the second stopper 5727 can restrict the rotation angle of the first rotation rod 5723, and can make the first rotation rod 5723 always between the first stopper 5711 and the second stopper 5712.

Referring to fig. 3 and 6, the counterweight assembly 6 includes a plurality of counterweight barrels 61, the counterweight barrels 61 are respectively located at each corner of the hull 1, when the sea has large fluctuation, the hull can swing along with the sea waves, for example, when the sea surface rises, a large amount of seawater is placed in the counterweight barrels 61, so that the stability of the hull 1 can be improved, the generation of the shaking phenomenon of the hull 1 can be reduced, and the precision of submarine exploration can be higher. Each counterweight barrel 61 is provided with a water inlet 63 and a water outlet 64, and the water inlet 63 is provided with an automatic water inlet assembly 65. The automatic water inlet assembly 65 includes a conical plug 651, the conical plug 651 includes a large end 652 and a small end 653, and the small end 653 is inserted into the water inlet 63. When the sea has large fluctuation and the ship body can swing along with the sea waves, such as flood tide, the sea waves impact the conical plug 651, the connection between the conical plug 651 and the water inlet 63 is easy to loose, and the sea water enters the counterweight barrel 61. The water outlet 64 of each counterweight barrel 61 is connected with a water outlet pipe 7, the water outlet pipe 7 is connected with a water suction pump 71, and the water suction pump 71 is arranged on the ship body 1. When the sea fluctuation is small or the wind is calm, the ship body shakes less at sea and is in a stable position, such as when the tide falls off, a part of water in the counterweight barrel 61 is pumped out by the water pump 71.

Referring to fig. 7, a plurality of first limiting rods 654 are hinged at the edge of the water inlet 63, a plurality of second limiting rods 655 are hinged at the large end 652, and the plurality of first limiting rods 654 are respectively hinged with the plurality of second limiting rods 655 in a one-to-one correspondence manner. The position of the conical plug 651 is limited by the first limiting rod 654 and the second limiting rod 655, so that the conical plug 651 is not easily disconnected from the water inlet 63. A plurality of second springs 656 are respectively arranged between the edge of the water inlet 63 and the large end 652 at the corresponding position, and when the second springs 656 are not stressed, the small end 653 and the water inlet 63 are arranged in a sealing way. When the tide is removed, the second spring 656 can reconnect the conical plug 651 with the water inlet 63 by its own resilient force and seal the water inlet 63. The bottom of the counterweight barrel 61 is provided with a gravity sensor 62 (as shown in fig. 6), the hull 1 is provided with a control cabinet 8 (as shown in fig. 3), the gravity sensor 62 and the motor 55 are both electrically connected with the control cabinet 8, when the gravity sensor 62 senses that the seawater in the counterweight barrel 61 is gradually increased or gradually reduced, the gravity sensor 62 transmits a signal to the control cabinet 8, the motor 55 is opened through the control cabinet 8, and the output shaft of the motor 55 rotates to drive the first gear 53 and the second gear 54 to rotate, so that the lifting of the protective sleeve 31 can be controlled.

Referring to fig. 8, the portion of the protective sleeve 31 located on the first exploration platform 2 is configured to be detachably connected, the protective sleeve 31 includes a first sleeve 311 (shown in fig. 1) and a second sleeve 312 (shown in fig. 1), the first sleeve 311 and the second sleeve 312 can be directly connected, or a detachable sleeve 313 may be disposed between the first sleeve 311 and the second sleeve 312, and both ends of the detachable sleeve 313 are respectively clamped with the first sleeve 311 and the second sleeve 312. When the protection sleeve 31 needs to be lifted, the connection between the detachable sleeve 313 and the first sleeve 311 and the second sleeve 312 can be artificially increased or decreased, so that the lifting of the protection sleeve 31 can be further controlled. The detachable sleeve 313 comprises two half-arc sleeves 3131, the two half-arc sleeves 3131 are hinged to each other along the axial direction of the protective sleeve 31, and when the detachable sleeve 313 is installed, the detachable sleeve 313 is firstly opened along the hinged position and sleeved on the drill rod 3, that is, the two half-arc sleeves 3131 are sleeved on the drill rod 3. A plurality of first locking blocks 3132 and a plurality of first locking grooves 3133 are respectively arranged at two ends of the detachable sleeve 313, a plurality of second locking blocks (not shown in the figure) are arranged at one end of the first sleeve 311 close to the second sleeve 312, a plurality of second locking grooves (not shown in the figure) are arranged at one end of the second sleeve 312 close to the first sleeve 311, the plurality of first locking blocks 3132 are connected with the plurality of second locking grooves in a one-to-one correspondence manner, the plurality of second locking blocks are connected with the plurality of first locking grooves 3133 in a one-to-one correspondence manner, and therefore the detachable sleeve 313 can be installed between the first sleeve 311 and the second sleeve 312. The detachable sleeve 313 is provided with a plurality of detachable sleeves 313, two ends of the detachable sleeve 313 are respectively provided with a plurality of first locking rings 3134 and a plurality of first locking hooks 3135, one ends of the first sleeve 311 and the second sleeve 312, which are close to the detachable sleeve 313, are respectively provided with a plurality of second locking rings (not shown in the figure) and a plurality of second locking hooks (not shown in the figure), after the detachable sleeve 313 is installed between the first sleeve 311 and the second sleeve 312, the plurality of first locking hooks 3135 are respectively connected with the plurality of second locking rings in a one-to-one correspondence manner, and the plurality of second locking hooks are respectively connected with the plurality of first locking rings 3134 in a one-to-one correspondence manner, so that the detachable sleeve 313 can be firmly installed between the first sleeve 311 and the second. In the present invention, the plurality of first locking blocks 3132 and the plurality of second locking blocks are arranged in the same specification, the plurality of first locking grooves 3133 and the plurality of second locking grooves are arranged in the same specification, the plurality of first locking hooks 3135 and the plurality of second locking hooks are arranged in the same specification, and the plurality of first locking rings 3134 and the plurality of second locking rings are arranged in the same specification.

The implementation principle of the above embodiment is as follows: the protective sleeve 31 is sleeved on the drill rod 3, the winch 4 is started to enable the drill rod 3 sleeved with the protective sleeve 31 to penetrate through the two mounting holes 22 and then extend into the seabed to conduct exploration on the seabed. When the sea has large fluctuation and the ship body can swing along with the sea waves, such as when the sea is in flood tide, the sea waves impact the conical plug 651, the connection between the conical plug 651 and the water inlet 63 is easy to loose, and the sea water enters the counterweight barrel 61. When the gravity sensor 62 senses that the seawater in the counterweight barrel 61 gradually increases or gradually decreases, the gravity sensor 62 transmits a signal to the control cabinet 8, the motor 55 is turned on through the control cabinet 8, the motor 55 drives the first lead screw 51 and the second lead screw 52 to rotate, so that the protective sleeve 31 can be descended through the lifting block 56 and extend towards the seabed, and the protective sleeve 31 can be positioned on the seabed. When the sea fluctuation is small or the wind and the waves are calm, the ship body shakes less at the sea and is in a stable position, when the tide falls off, a part of water in the counterweight barrel 61 is pumped out through the water pump 71, the gravity sensor 62 senses that the quality of the water in the counterweight barrel 61 gradually falls, the lifting block 56 can be lifted through the reversing member 57, and the protective sleeve 31 can be located on the seabed.

The embodiments of the present invention are preferred embodiments of the present invention, and the scope of the present invention is not limited by these embodiments, so: all equivalent changes made according to the structure, shape and principle of the invention are covered by the protection scope of the invention.

Claims

1. An offshore exploration platform, comprising a hull (1), characterized in that: the ship comprises a ship body (1), wherein a first exploration platform (2) and a second exploration platform (21) are arranged on the ship body (1), the first exploration platform (2) is located on one side of the ship body (1), the second exploration platform (21) is arranged on the ship body (1) in a lifting mode, mounting holes (22) are formed in platforms extending out of one side of the ship body (1) through the first exploration platform (2) and the second exploration platform (21), drill rods (3) are inserted into the two mounting holes (22), protective sleeves (31) are sleeved on the drill rods (3), the drill rods (3) and the protective sleeves (31) extend into the seabed, a winch (4) is arranged on the second exploration platform (21), steel wire ropes on the winch (4) are fixedly connected with the top of the drill rods (3), a lifting assembly (5) is arranged on the portion, located on the second exploration platform (21), of the protective sleeves (31), the bottom of the ship body (1) is provided with a plurality of counterweight components (6), and the lifting component (5) is electrically connected with the counterweight components (6);

the lifting assembly (5) comprises a first lead screw (51) and a second lead screw (52) which are arranged in parallel, the first lead screw (51) and the second lead screw (52) are both fixed on the second exploration platform (21), the ends of the first lead screw (51) and the second lead screw (52) are respectively connected with a first gear (53) and a second gear (54), the first gear (53) and the second gear (54) are arranged in a meshed manner, the second gear (54) is connected with a motor (55), a lifting block (56) is arranged between the first lead screw (51) and the second lead screw (52), a reversing component (57) is arranged between the first lead screw (51) and the lifting block (56), and the lifting block (56) is fixedly connected with the protective sleeve (31);

counterweight assembly (6) includes a plurality of counterweight barrels (61), and is a plurality of counterweight barrels (61) are located respectively the each corner department of hull (1), the bottom of counterweight barrel (61) is provided with gravity inductor (62), gravity inductor (62) with motor (55) electricity is connected, every counterweight barrel (61) is last all to be provided with water inlet (63) and delivery port (64), water inlet (63) are provided with automatic subassembly (65) of intaking.

2. An offshore exploration platform according to claim 1, characterized in that: the two ends of the lifting block (56) are respectively provided with a first thread (561) and a second thread (562), the first thread (561) is connected with the first lead screw (51) in a matched manner, the second thread (562) is connected with the second lead screw (52) in a matched manner, the reversing component (57) comprises a fixed rod (571) and a moving block (572), the two ends of the fixed rod (571) are respectively fixed at the two ends of the second lead screw (52), the moving block (572) is movably connected with the fixed rod (571), the moving block (572) is provided with a first connecting rod (5721) and a second connecting rod (5722), the axis of the first connecting rod (5721) is parallel to the axis of the first lead screw (51), the lifting block (56) is rotatably connected with the first connecting rod (5721), and the second connecting rod (5724) is sleeved on the second connecting rod (5722), be provided with first stopper (5711) and second stopper (5712) on dead lever (571), first dwang (5723) are kept away from the one end of second connecting rod (5722) is located first stopper (5711) with between second stopper (5712), second dwang (5724) are close to the one end of second connecting rod (5722) is provided with fixation clamp (5725) of "U" type perpendicularly, elevator (56) are close to the position of first connecting rod (5721) is provided with fixed block (563), fixation clamp (5725) with fixed block (563) fixed joint, first dwang (5723) are kept away from the tip of second connecting rod (5722) and second dwang (5724) are kept away from be provided with first spring (573) between the tip of second connecting rod (5722).

3. An offshore exploration platform according to claim 2, characterized in that: one side, close to the fixed rod (571), of the moving block (572) is provided with a first limiting column (5726) and a second limiting column (5727), and the first rotating rod (5723) is located between the first limiting column (5726) and the second limiting column (5727).

4. An offshore exploration platform according to claim 1, characterized in that: the automatic water inlet assembly (65) comprises a conical plug (651), the conical plug (651) comprises a large end (652) and a small end (653), the small end (653) penetrates through the water inlet (63), a plurality of first limiting rods (654) are hinged to the edge of the water inlet (63), a plurality of second limiting rods (655) are hinged to the large end (652), and the first limiting rods (654) are hinged to the second limiting rods (655) in a one-to-one correspondence mode.

5. An offshore exploration platform according to claim 4, characterized in that: a plurality of second springs (656) are respectively arranged between the edge of the water inlet (63) and the large end (652), and when the second springs (656) are not stressed, the small end (653) and the water inlet (63) are arranged in a sealing way.

6. An offshore exploration platform according to claim 1, characterized in that: the protective sleeve (31) is arranged on the part, located on the first exploration platform (2), of the protective sleeve (31) in a detachable connection mode, the protective sleeve (31) comprises a first sleeve (311) and a second sleeve (312), a detachable sleeve (313) is arranged between the first sleeve (311) and the second sleeve (312), and two ends of the detachable sleeve (313) are respectively connected with the first sleeve (311) and the second sleeve (312) in a clamped mode.

7. An offshore exploration platform according to claim 6, characterized in that: can dismantle sleeve pipe (313) includes two semicircle sleeve pipes (3131), two semicircle sleeve pipe (3131) is followed sheathed tube axis direction is articulated each other, the both ends of dismantling sleeve pipe (313) are provided with a plurality of first latch blocks (3132) and a plurality of first locking groove (3133) respectively, first sleeve pipe (311) are close to the one end of second sleeve pipe (312) is provided with a plurality of second latch blocks, second sleeve pipe (312) are close to the one end of first sleeve pipe (311) is provided with a plurality of second locking grooves, and is a plurality of first latch block (3132) and a plurality of the second locking groove one-to-one is connected, and is a plurality of the second latch block is with a plurality of first locking groove (3133) one-to-one is connected.

8. An offshore exploration platform according to claim 7, characterized in that: the detachable sleeve (313) is provided with a plurality of detachable sleeves, two ends of each detachable sleeve (313) are respectively provided with a plurality of first locking rings (3134) and a plurality of first locking hooks (3135), one ends, close to the detachable sleeve (313), of the first sleeve (311) and the second sleeve (312) are respectively provided with a plurality of second locking rings and a plurality of second locking hooks, the first locking hooks (3135) are respectively connected with the second locking rings in a one-to-one correspondence mode, and the second locking hooks are respectively connected with the first locking rings (3134) in a one-to-one correspondence mode.