CN116084371B - Offshore wind power installation platform - Google Patents
Offshore wind power installation platform Download PDFInfo
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- CN116084371B CN116084371B CN202310052485.8A CN202310052485A CN116084371B CN 116084371 B CN116084371 B CN 116084371B CN 202310052485 A CN202310052485 A CN 202310052485A CN 116084371 B CN116084371 B CN 116084371B
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- fixedly connected
- filter grid
- wind power
- offshore wind
- installation platform
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- 238000009434 installation Methods 0.000 title claims abstract description 41
- 230000000903 blocking effect Effects 0.000 claims abstract description 9
- 230000007246 mechanism Effects 0.000 claims description 6
- 239000004575 stone Substances 0.000 abstract description 22
- 238000001914 filtration Methods 0.000 description 12
- 238000009825 accumulation Methods 0.000 description 9
- 230000000694 effects Effects 0.000 description 9
- 238000010586 diagram Methods 0.000 description 8
- 238000000034 method Methods 0.000 description 5
- 230000008569 process Effects 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000003780 insertion Methods 0.000 description 2
- 230000037431 insertion Effects 0.000 description 2
- 210000001503 joint Anatomy 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000001179 sorption measurement Methods 0.000 description 2
- 230000001174 ascending effect Effects 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000008595 infiltration Effects 0.000 description 1
- 238000001764 infiltration Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
Classifications
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02B—HYDRAULIC ENGINEERING
- E02B17/00—Artificial islands mounted on piles or like supports, e.g. platforms on raisable legs or offshore constructions; Construction methods therefor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/44—Edge filtering elements, i.e. using contiguous impervious surfaces
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/50—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with multiple filtering elements, characterised by their mutual disposition
- B01D29/56—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with multiple filtering elements, characterised by their mutual disposition in series connection
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02B—HYDRAULIC ENGINEERING
- E02B17/00—Artificial islands mounted on piles or like supports, e.g. platforms on raisable legs or offshore constructions; Construction methods therefor
- E02B17/04—Equipment specially adapted for raising, lowering, or immobilising the working platform relative to the supporting construction
- E02B17/06—Equipment specially adapted for raising, lowering, or immobilising the working platform relative to the supporting construction for immobilising, e.g. using wedges or clamping rings
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
- F03D—WIND MOTORS
- F03D13/00—Assembly, mounting or commissioning of wind motors; Arrangements specially adapted for transporting wind motor components
- F03D13/20—Arrangements for mounting or supporting wind motors; Masts or towers for wind motors
- F03D13/25—Arrangements for mounting or supporting wind motors; Masts or towers for wind motors specially adapted for offshore installation
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/70—Wind energy
- Y02E10/727—Offshore wind turbines
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- Combustion & Propulsion (AREA)
- Wind Motors (AREA)
Abstract
The invention discloses an offshore wind power installation platform, which relates to the technical field of offshore wind power, and comprises an installation platform, wherein the lower surface of the installation platform is fixedly connected with a plurality of supports which are arrayed in an annular mode, the lower end of each support is fixedly connected with a head, the lower end of each head is fixedly connected with a cylinder body which is communicated with the lower end, the inner side of the cylinder body is sequentially provided with a lower filter grid, a middle filter grid and an upper filter grid from bottom to top, and the middle of the lower filter grid and the periphery of the middle filter grid are provided with through holes; one side of each end is provided with a suction port, and a plurality of stages of blocking pieces are arranged above the suction ports on one side of each end. When the installation platform is arranged on the sea, the problem that the position between the cylinders is too serious in collapse can be avoided, and the problem that the later-stage use is unstable due to the fact that stones are accumulated at the lower end of the cylinders can be prevented.
Description
Technical Field
The invention belongs to the technical field of offshore wind power, and particularly relates to an offshore wind power installation platform.
Background
Wind power generation is the fastest growing green energy technology in the world, and people have paid attention to some limitations on land wind energy utilization, such as large occupied area, noise pollution and the like, while land wind farm construction is rapidly developed. Due to the abundance of wind energy resources at sea and the feasibility of today's technology, the ocean will become a rapidly evolving wind power market.
The offshore wind power installation platform is used for providing an installation position for a generator set, based on seabed characteristics, a cylindrical foundation is often adopted in the prior art to assist the platform in offshore installation, the cylindrical foundation is fixed on the seabed through a suction cylinder therein, and when the cylinder is suspended to the seabed, negative pressure is formed through suction above the suction cylinder, so that the suction cylinder is assisted to sink, and the platform is deeply fixed on the seabed.
In the suction process, the mud layer on the seabed can generate a larger collapse area at the position among the plurality of suction cylinders, and the surrounding mud layer is sucked by the plurality of suction cylinders, so that the collapse at the position among the plurality of suction cylinders is most serious, the phenomenon that the suction cylinders are unstable after being inserted into the seabed can be caused, and the stability of the whole mounting table is influenced. In addition, when the existing suction cylinder works, the grid structure on the inner side of the suction cylinder prevents the suction position from being blocked and damaged after the stone is sucked, so that stones and the like are accumulated at the bottom end, after the stone is inserted, the stone is accumulated at the bottom end, and in long-term use, the problems of change of the bottom layer caused by stone displacement, soil infiltration and the like can be caused, so that the unstable phenomenon occurs at the lower end of the suction cylinder.
Disclosure of Invention
The invention provides an offshore wind power installation platform, which aims to make up the defects of the prior art and at least solve the problems of the prior art mentioned in the background art.
The invention adopts the following technical scheme to realize the aim of the invention:
The offshore wind power installation platform comprises an installation platform, wherein the lower surface of the installation platform is fixedly connected with a plurality of supports which are arrayed in an annular mode, the lower end of each support is fixedly connected with an end head, the lower end of each end head is fixedly connected with a cylinder body which is communicated with the lower end head, the inner side of each cylinder body is sequentially provided with a lower filter grid, a middle filter grid and an upper filter grid from bottom to top, and the middle of each lower filter grid and the periphery of each middle filter grid are provided with through holes; one side of each end is provided with a suction port, and a plurality of stages of blocking pieces are arranged above the suction ports on one side of each end.
In the offshore wind power installation platform, the lower filter grid is in a round table shape, a plurality of first fixing frames are fixedly arranged on the inner side of the lower filter grid, and the end parts of the first fixing frames are fixedly connected with the inner wall of the cylinder; the middle filter grid is conical in shape, a first column block is arranged in the middle of the middle filter grid, a plurality of second fixing frames are fixedly arranged on the inner side of the middle filter grid, the second fixing frames are fixedly connected with the first column block, and the end parts of the second fixing frames are fixedly connected with the inner wall of the cylinder body; the middle of the upper filter grid is provided with a second column block, the inner side of the upper filter grid is fixedly provided with a plurality of third fixing frames, the third fixing frames are fixedly connected with the second column block, and the end parts of the third fixing frames are fixedly connected with the inner wall of the cylinder body.
In the offshore wind power installation platform, an extension rod is movably installed in the middle of the lower surface of the installation platform along the vertical direction through a lifting mechanism, the lower end of the extension rod is fixedly connected with a connecting column, and the lower end of the connecting column is provided with a negative pressure bucket through a connecting structure.
In the above offshore wind power installation platform, the lifting mechanism comprises an installation column fixedly installed on the lower surface of the installation table and a telescopic cylinder fixedly installed at the lower end of the installation column, and the telescopic end of the telescopic cylinder is fixedly connected with the upper end of the extension rod.
In the above-mentioned marine wind power mounting platform, connection structure includes the butt joint board of fixed connection in the negative pressure bucket upper end, and a plurality of spacing hole has been seted up to the surface of butt joint board, and a plurality of screw hole has been seted up to the surface of spliced pole, and the screw hole is all arranged along vertical equidistance with spacing hole, and the inboard in spacing hole runs through has the locking bolt, and the tip of locking bolt inserts threaded hole and both screw-thread fit through spacing hole.
In the above-mentioned offshore wind power installation platform, multistage blocking piece includes swing joint connecting plate between end and spliced pole, and the lower fixed surface of connecting plate is connected with a plurality of baffle, and the height that the lower limit of baffle is located is ascending the setting step by step in the direction that is close to the end.
In the offshore wind power installation platform, one end, close to the end head, of the connecting plate is rotatably connected with the concave frame, two first rotating shafts are convexly arranged on the outer surface of the end head, the first rotating shafts penetrate through two sides of the concave frame, and the first rotating shafts are in rotary fit with the concave frame; the sleeve is sleeved at one end of the connecting plate, which is far away from the end head, the sleeve is fixedly embedded into the outer surface of the connecting column, a clamping block is arranged at one end of the connecting plate, which is clamped into the inner side of the sleeve, and the clamping block is in sliding fit with the inner wall of the sleeve; the end part of the connecting plate is fixedly connected with a second rotating shaft, the outer surface of the concave frame is fixedly connected with two connecting seats, and two ends of the second rotating shaft are respectively in running fit with the connecting seats.
Advantageous effects
Compared with the prior art, the invention has the following beneficial effects:
1. When the invention is arranged on the sea, the problem that the collapse of the position between the cylinders is too serious can be avoided, and the problem that the stone is accumulated at the lower end of the cylinders to cause unstable later use can be prevented.
2. When the invention is installed, the telescopic cylinder is stretched in advance, the lower part of the negative pressure bucket is embedded into a seabed mud layer, then the cylinder body is lowered, at the moment, the telescopic cylinder is contracted, the negative pressure on the inner side brings up the mud layer part, meanwhile, the suction pump is installed on the suction port and then pumps the mud layer, the lower insertion of the cylinder body is assisted, the pumped mud falls down through the blocking of a plurality of baffles, the mud falls down in different positions due to different lengths of the baffles, wherein the mud falling down closer to the cylinder body is more and accords with the rule of the cylinder body suction (the more obvious is that the falling down is closer to the cylinder body), the falling mud is used for filling up a collapse area, and the collapse and the suction of the mud layer can be reduced due to the adsorption effect of the lower part of the negative pressure bucket, so that the position between a plurality of cylinder bodies is ensured after the cylinder body suction is completed, the height position of the mud layer cannot collapse excessively, and the installation stability is effectively ensured.
3. When the upper end of the cylinder body is sucked, broken stone enters the cylinder body at the same time except mud, broken stone can be left by the lower filtering grating, the middle filtering grating and the upper filtering grating in a grading manner, due to the inclined surface effect of the lower filtering grating, when too much stone blocks of the first accumulation layer flow onto the middle filtering grating to form a second accumulation layer, and due to the inclined surface effect of the middle filtering grating, too much stone blocks are guided to move upwards to form a third accumulation layer, and larger stone blocks are blocked at the position without affecting the suction operation of the suction port, so that the cylinder body can not block the stone blocks at the lower end in suction, but directly suck the inner side and distribute the stone blocks in a dispersing manner so as to ensure the stability of the cylinder body after suction installation.
4. According to the invention, the butt plate can be moved up and down by screwing down the locking bolt, after the butt plate is adjusted, the locking bolt is inserted into the limiting hole and screwed into the threaded hole, so that the positioning can be finished, the initial position of the negative pressure bucket is changed, namely, the amount of the mud layer adsorbed during the negative pressure action of the negative pressure bucket is changed, and the use is more flexible.
Drawings
In order to more clearly illustrate the embodiments of the invention or the technical solutions of the prior art, the drawings which are used in the description of the embodiments or the prior art will be briefly described, it being obvious that the drawings in the description below are only some embodiments of the invention, and that other drawings can be obtained from these drawings without inventive faculty for a person skilled in the art.
FIG. 1 is a schematic structural view of an offshore wind power installation platform provided by the invention;
FIG. 2 is a schematic diagram of a cross-sectional structure of a cylinder of an offshore wind power installation platform according to the present invention;
FIG. 3 is a schematic diagram of the structure of a lower filter grid of the offshore wind power installation platform of the invention;
FIG. 4 is a schematic diagram of a middle filter grid of an offshore wind power installation platform according to the present invention;
FIG. 5 is a schematic diagram of the structure of an upper filter grid of an offshore wind power installation platform of the present invention;
FIG. 6 is a schematic view of a partial structure of the offshore wind power installation platform below the offshore wind power installation platform;
FIG. 7 is an enlarged view of the structure of FIG. 6A of an offshore wind turbine mounting platform of the present invention;
FIG. 8 is a schematic diagram of a cross-sectional structure at a connection post of an offshore wind turbine mounting platform of the present invention;
FIG. 9 is an enlarged view of the structure of FIG. 8B of an offshore wind turbine mounting platform in accordance with the present invention;
FIG. 10 is a schematic diagram showing the disassembly of a negative pressure bucket mounting structure of an offshore wind power mounting platform according to the present invention;
FIG. 11 is a diagram illustrating a state of use of an offshore wind turbine mounting platform according to the present invention;
FIG. 12 is a second state diagram of the use of an offshore wind turbine mounting platform of the present invention.
Reference numerals: 1-a cylinder; 2-end; 3-a suction port; 4-lower filter grid; 5-a first fixing frame; 6-middle filter grid; 7-a first column block; 8-a second fixing frame; 9-upper filter grid; 10-second column block; 11-a third fixing frame; 12-a concave frame; 13-a first rotating shaft; 14-connecting seats; 15-a second rotating shaft; 16-connecting plates; 17-baffle; 18-a sleeve; 19-clamping in the block; 20-connecting columns; 21-a negative pressure bucket; 22-butt plate; 23-limiting holes; 24-threaded holes; 25-locking bolt; 26-an extension rod; 27-a telescopic cylinder; 28-mounting posts; 29-mounting table; 30-a bracket; 31-suction zone; 32-a drop zone; 33-collapsed region; 34-a negative suction zone; 35-a first accumulation layer; 36-a second accumulation layer; 37-third accumulation layer.
Description of the embodiments
In order that those skilled in the art will better understand the present invention, a technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in which it is apparent that the described embodiments are only some embodiments of the present invention, not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the present invention without making any inventive effort, shall fall within the scope of the present invention.
It should be noted that the terms "first," "second," and the like in the description and the claims of the present invention and the above figures are used for distinguishing between similar objects and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used may be interchanged where appropriate in order to describe the embodiments of the invention herein. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.
In the present invention, the terms "upper", "lower", "left", "right", "front", "rear", "top", "bottom", "inner", "outer", "middle", "vertical", "horizontal", "lateral", "longitudinal" and the like indicate an azimuth or a positional relationship based on that shown in the drawings. These terms are only used to better describe the present invention and its embodiments and are not intended to limit the scope of the indicated devices, elements or components to the particular orientations or to configure and operate in the particular orientations.
Also, some of the terms described above may be used to indicate other meanings in addition to orientation or positional relationships, for example, the term "upper" may also be used to indicate some sort of attachment or connection in some cases. The specific meaning of these terms in the present invention will be understood by those of ordinary skill in the art according to the specific circumstances.
Furthermore, the terms "mounted," "configured," "provided," "connected," "coupled," and "sleeved" are to be construed broadly. For example, it may be a fixed connection, a removable connection, or a unitary construction; may be a mechanical connection, or an electrical connection; may be directly connected, or indirectly connected through intervening media, or may be in internal communication between two devices, elements, or components. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art according to the specific circumstances.
It should be noted that, without conflict, the embodiments of the present invention and features of the embodiments may be combined with each other. The invention will be described in detail below with reference to the drawings in connection with embodiments.
Examples. The utility model provides an offshore wind power mounting platform, as shown in fig. 1-12, including mount table 29, the lower surface fixedly connected with of mount table 29 a plurality of support 30 that annular array was arranged, the lower extreme fixedly connected with end 2 of every support 30, the lower extreme fixedly connected with barrel 1 that is linked together of end 2, the inboard of barrel 1 has set gradually lower filter grating 4 from bottom to top, well filter grating 6 and last filter grating 9, the centre of lower filter grating 4 and the periphery of well filter grating 6 all are provided with the through-hole, one side of end 2 is provided with suction port 3, the department of the top that is close to suction port 3 of one side of a plurality of end 2 is provided with multistage barrier.
As shown in fig. 2, 3, 4 and 5, the lower filter screen 4, the middle filter screen 6 and the upper filter screen 9 are specifically installed as follows: the shape of the lower filter grating 4 is in a truncated cone shape, a plurality of first fixing frames 5 are fixedly arranged on the inner side of the lower filter grating 4, and the end parts of the first fixing frames 5 are fixedly connected with the inner wall of the cylinder body 1; the middle filter grating 6 is conical in shape, a first column block 7 is arranged in the middle of the middle filter grating 6, a plurality of second fixing frames 8 are fixedly arranged on the inner side of the middle filter grating 6, the second fixing frames 8 are fixedly connected with the first column block 7, and the end parts of the second fixing frames 8 are fixedly connected with the inner wall of the cylinder body 1; the middle of the upper filter grid 9 is provided with a second column block 10, the inner side of the upper filter grid 9 is fixedly provided with a plurality of third fixing frames 11, the third fixing frames 11 are fixedly connected with the second column block 10, and the end parts of the third fixing frames 11 are fixedly connected with the inner wall of the cylinder body 1.
As shown in fig. 1 and 6, an extension rod 26 is movably mounted in the middle of the lower surface of the mounting table 29 along the vertical direction through a lifting mechanism, the lower end of the extension rod 26 is fixedly connected with a connecting column 20, and the lower end of the connecting column 20 is provided with a negative pressure bucket 21 through a connecting structure. The lifting mechanism comprises a mounting column 28 fixedly arranged on the lower surface of a mounting table 29, and a telescopic cylinder 27 fixedly arranged at the lower end of the mounting column 28, wherein the telescopic end of the telescopic cylinder 27 is fixedly connected with the upper end of an extension rod 26, and the telescopic cylinder 27 is a hydraulic cylinder.
As shown in fig. 10, the connection structure includes a butt plate 22 fixedly connected to the upper end of the negative pressure bucket 21, a plurality of limiting holes 23 are formed in the outer surface of the butt plate 22, a plurality of threaded holes 24 are formed in the outer surface of the connection column 20, the threaded holes 24 and the limiting holes 23 are all vertically equidistantly distributed, a locking bolt 25 penetrates through the inner side of the limiting hole 23, and the end portion of the locking bolt 25 is inserted into the threaded holes 24 and is in threaded fit with the threaded holes to facilitate lifting adjustment of the negative pressure bucket 21.
As shown in fig. 8, the multistage blocking member comprises a connecting plate 16 movably connected between the end head 2 and the connecting column 20, a plurality of baffles 17 are fixedly connected to the lower surface of the connecting plate 16, the height of the lower edge of each baffle 17 is gradually increased towards the direction close to the end head 2, the effect of blocking and dropping mud in stages is achieved, and more mud near the periphery of the cylinder 1 can be blocked by the gradual increase, and the more distance is smaller.
As shown in fig. 7, 8 and 9, one end of the connecting plate 16, which is close to the end 2, is rotatably connected with a concave frame 12, two first rotating shafts 13 are convexly arranged on the outer surface of the end 2, the first rotating shafts 13 penetrate through two sides of the concave frame 12, the first rotating shafts 13 are in rotary fit with the concave frame 12, one end, far away from the end 2, of the connecting plate 16 is slidably sleeved with a sleeve 18, the sleeve 18 is fixedly embedded into the outer surface of the connecting column 20, one end, which is clamped into the inner side of the sleeve 18, of the connecting plate 16 is provided with a clamping block 19, the clamping block 19 is slidably matched with the inner wall of the sleeve 18, the end of the connecting plate 16 is fixedly connected with a second rotating shaft 15, two connecting seats 14 are fixedly connected with the outer surface of the concave frame 12, two ends of the second rotating shafts 15 are respectively in rotary fit with the connecting seats 14, and when the telescopic cylinder 27 stretches, the connecting plate 16 moves downwards to be matched with the effect of the first rotating shafts 13, the second rotating shafts 15 and the concave frame 12, so that the connecting plate 16 can move downwards, and cannot tilt.
When the offshore wind power installation platform is installed, as shown in fig. 12, the telescopic cylinder 27 is extended in advance, the lower part of the negative pressure bucket 21 is embedded into the seabed mud layer to form the negative suction area 34, the barrel 1 is then lowered, at this time, the telescopic cylinder 27 is contracted, the mud layer is partially carried up by the negative pressure on the inner side, and meanwhile, the suction port 3 is provided with a suction pump for suction. During suction, the suction area 31 is formed at the lower end of the cylinder 1, mud and stones are sucked into the inner side of the cylinder 1, a suction pump is arranged at the suction opening 3, when the mud is sprayed out, the spraying area 32 is formed by matching with the baffle 17, the mud layer is sucked, the lower insertion of the cylinder 1 is assisted, and the sucked mud falls down through the blocking of the baffle 17. Because the lengths of the baffles 17 are different, mud falls in different positions, wherein the mud falling at the positions closer to the cylinder 1 is more, the mud falls according with the suction rule of the cylinder 1 (the more obvious the mud falls around the cylinder 1), the falling mud is used for filling the collapse area 33, and the collapse and the suction of the mud layer can be reduced due to the adsorption effect of the suction hopper 21, so that the positions among a plurality of cylinders 1 after the cylinder 1 is sucked are ensured, the height position of the mud layer cannot sink excessively, and the mounting stability is effectively ensured. When the upper end of the cylinder 1 is sucked, broken stone enters the cylinder 1 at the same time except mud, broken stone is left behind by the lower filtering grating 4, the middle filtering grating 6 and the upper filtering grating 9 in a grading mode, due to the inclined surface effect of the lower filtering grating 4, when too much stone blocks of the first accumulation layer 35 flow onto the middle filtering grating 6 to form a second accumulation layer 36, and due to the inclined surface effect of the middle filtering grating 6, too much stone blocks are guided to move upwards continuously to form a third accumulation layer 37, and larger stone blocks are blocked at the position, so that the sucking operation of the sucking port 3 is not affected. Therefore, the cylinder 1 no longer blocks the stone at the lower end during suction, but directly sucks the inside and disperses the stone to ensure the stability of the cylinder 1 after suction installation. The butt plate 22 can be moved up and down by screwing down the locking bolt 25, after the butt plate is adjusted, the locking bolt 25 is inserted into the limiting hole 23 and screwed into the threaded hole 24, so that the positioning can be finished, the initial position of the negative pressure bucket 21 is changed, namely, the amount of the mud layer adsorbed during the negative pressure action of the negative pressure bucket 21 is changed, and the use is more flexible.
The present invention relates to circuits, electronic components and modules, all of which are well known in the art and can be implemented by those skilled in the art. The foregoing is merely a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and variations may be made by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (5)
1. An offshore wind power installation platform which is characterized in that: the device comprises an installation table (29), wherein the lower surface of the installation table (29) is fixedly connected with a plurality of supports (30) which are arrayed in an annular mode, the lower end of each support (30) is fixedly connected with a head (2), the lower end of each head (2) is fixedly connected with a cylinder body (1) which is communicated with the corresponding support, the inner side of each cylinder body (1) is sequentially provided with a lower filter grid (4), a middle filter grid (6) and an upper filter grid (9) from bottom to top, and the middle of each lower filter grid (4) and the periphery of each middle filter grid (6) are provided with through holes; one side of each end head (2) is provided with a suction port (3), and a plurality of stages of blocking pieces are arranged at the positions, close to the upper parts of the suction ports (3), of one side of each end head (2);
the shape of the lower filter grid (4) is in a truncated cone shape; the shape of the middle filter grid (6) is conical;
An extension rod (26) is vertically movably mounted in the middle of the lower surface of the mounting table (29) through a lifting mechanism, a connecting column (20) is fixedly connected to the lower end of the extension rod (26), and a negative pressure bucket (21) is mounted at the lower end of the connecting column (20) through a connecting structure;
The multistage blocking piece comprises a connecting plate (16) movably connected between the end head (2) and the connecting column (20), a plurality of baffles (17) are fixedly connected to the lower surface of the connecting plate (16), and the height of the lower edge of each baffle (17) is gradually increased towards the direction close to the end head (2).
2. The offshore wind power installation platform of claim 1, wherein: a plurality of first fixing frames (5) are fixedly arranged on the inner side of the lower filter grid (4), and the end parts of the first fixing frames (5) are fixedly connected with the inner wall of the cylinder body (1); a first column block (7) is arranged in the middle of the middle filter grating (6), a plurality of second fixing frames (8) are fixedly arranged on the inner side of the middle filter grating (6), the second fixing frames (8) are fixedly connected with the first column block (7), and the end parts of the second fixing frames (8) are fixedly connected with the inner wall of the cylinder body (1); the middle of the upper filter grid (9) is provided with a second column block (10), the inner side of the upper filter grid (9) is fixedly provided with a plurality of third fixing frames (11), the third fixing frames (11) are fixedly connected with the second column block (10), and the end parts of the third fixing frames (11) are fixedly connected with the inner wall of the cylinder body (1).
3. The offshore wind power installation platform of claim 1, wherein: the lifting mechanism comprises a mounting column (28) fixedly mounted on the lower surface of the mounting table (29) and a telescopic cylinder (27) fixedly mounted at the lower end of the mounting column (28), and the telescopic end of the telescopic cylinder (27) is fixedly connected with the upper end of the extension rod (26).
4. The offshore wind power installation platform of claim 1, wherein: the connecting structure comprises a butt plate (22) fixedly connected to the upper end of the negative pressure bucket (21), a plurality of limit holes (23) are formed in the outer surface of the butt plate (22), a plurality of threaded holes (24) are formed in the outer surface of the connecting column (20), the threaded holes (24) and the limit holes (23) are all distributed along the vertical equidistance, locking bolts (25) penetrate through the inner sides of the limit holes (23), and the end parts of the locking bolts (25) are inserted into the threaded holes (24) through the limit holes (23) and are in threaded fit with the threaded holes.
5. The offshore wind power installation platform of claim 1, wherein: one end, close to the end head (2), of the connecting plate (16) is rotatably connected with a concave frame (12), two first rotating shafts (13) are convexly arranged on the outer surface of the end head (2), the first rotating shafts (13) penetrate through two sides of the concave frame (12), and the first rotating shafts (13) are in rotary fit with the concave frame (12); one end of the connecting plate (16) far away from the end head (2) is slidably sleeved with a sleeve (18), the sleeve (18) is fixedly embedded into the outer surface of the connecting column (20), one end of the connecting plate (16) clamped into the inner side of the sleeve (18) is provided with a clamping block (19), and the clamping block (19) is slidably matched with the inner wall of the sleeve (18); the end part of the connecting plate (16) is fixedly connected with a second rotating shaft (15), the outer surface of the concave frame (12) is fixedly connected with two connecting seats (14), and two ends of the second rotating shaft (15) are respectively in running fit with the connecting seats (14).
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