CN203902800U - A semi-submersible lifting platform for large floating marine structures - Google Patents
A semi-submersible lifting platform for large floating marine structures Download PDFInfo
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- CN203902800U CN203902800U CN201420177626.5U CN201420177626U CN203902800U CN 203902800 U CN203902800 U CN 203902800U CN 201420177626 U CN201420177626 U CN 201420177626U CN 203902800 U CN203902800 U CN 203902800U
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- lifting platform
- semisubmersible
- scale
- floating structures
- buoyancy
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- 238000007667 floating Methods 0.000 title claims abstract description 67
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 14
- 238000010276 construction Methods 0.000 claims abstract description 6
- 230000005484 gravity Effects 0.000 claims description 4
- 241000870659 Crassula perfoliata var. minor Species 0.000 claims description 3
- 241000196324 Embryophyta Species 0.000 claims description 2
- 238000012423 maintenance Methods 0.000 abstract description 10
- 238000000034 method Methods 0.000 abstract description 9
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 abstract description 5
- 238000005516 engineering process Methods 0.000 abstract description 3
- 238000003032 molecular docking Methods 0.000 abstract description 2
- 239000011248 coating agent Substances 0.000 abstract 1
- 238000000576 coating method Methods 0.000 abstract 1
- 238000006073 displacement reaction Methods 0.000 abstract 1
- 238000004140 cleaning Methods 0.000 description 4
- 239000003651 drinking water Substances 0.000 description 2
- 235000020188 drinking water Nutrition 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000010422 painting Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
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Abstract
A semi-submersible lifting platform for a large floating ocean structure belongs to the field of large floating ocean structure maintenance equipment and technology. The semi-submersible lifting platform is characterized in that an end-to-end floating body is arranged at each of two ends of the floating box in the long side direction, a transverse shifting device is arranged in the floating box below the end-to-end floating body, a longitudinal shifting device is arranged at the top of the end-to-end floating body, a ballast tank and a ballast system are arranged in the floating box, and various functional cabins are arranged on floating body safety decks of the end-to-end floating body. The semi-submersible lifting platform can effectively solve the problem of maintenance and repair of partial structures below the water surface in the operation process of a large floating ocean structure with a relatively large length-depth ratio, can realize maintenance, rust removal and coating operation of the large floating ocean structure on the premise of no docking, no displacement, no disassembly and even no influence on the normal work of the large floating ocean structure, and has the advantages of low construction cost, short period, simple process, wide application range and the like.
Description
Technical field
The utility model relates to a kind of large-scale the floating structures semisubmersible lifting platform, and it belongs to large-scale the floating structures maintenance equipment and technology field.
Background technology
The large-scale the floating structures such as seadrome, tidal quay, offshore work platform and large-scale pontoon bridge are to develop and useining marine resources, and the Sovereignty of Territorial Sea that safeguards one's country etc. are significant, are important research contents in ocean engineering field, current various countries.Above-mentioned large-scale the floating structures is generally steel plate-girder welded structure, and its local structure form and common ship are similar, need regularly to structure keep in repair, maintaining operation, especially the underwater part such as rust cleaning and application.Because yardstick is excessive, above-mentioned large-scale the floating structures moves difficulty, can not be as conventional boats and ships dry docking, floating drydock or upper building berth.So maintaining problem is large-scale the floating structures design and a gordian technique of building.The moldeed depth Length Ratio of large-scale the floating structures is conventionally much smaller than conventional boats and ships, thereby longitudinally has larger flexibility, and local pressure lifts certain altitude and can not damage structure or equipment.
Summary of the invention
For the problems referred to above, the utility model provides a kind of large-scale the floating structures semisubmersible lifting platform, for completing the maintenance of the following part of the large-scale the floating structures water surface.This semisubmersible lifting platform makes full use of the length direction flexibility characteristics of large-scale the floating structures, by filling, arrange semisubmersible lifting platform ballast water, utilize its buoyancy that large-scale the floating structures part is enumerated to the water surface, can not lie up, under the prerequisite not being shifted, do not split, realize the operations such as maintenance to the following part of the large-scale the floating structures water surface, rust cleaning, application.
The utility model solves the technical scheme that its technical matters adopts: a kind of large-scale the floating structures semisubmersible lifting platform, it comprises buoyancy tank, it also comprises head and the tail buoyancy aid, block, lateral offset device and vertical shift device, described buoyancy tank adopts by pontoon deck, buoyancy tank base plate, the rectangular structure that buoyancy tank transversary and buoyancy tank longitudinal construction form, a head and the tail buoyancy aid being fixedly connected with buoyancy tank is respectively set at the two ends of length of buoyancy tank edge direction, block is arranged on pontoon deck, described lateral offset device is arranged in the buoyancy tank of head and the tail buoyancy aid below, described vertical shift device is arranged on the top of head and the tail buoyancy aid, described buoyancy tank inside arranges ballast tank and ballasting system, and ballasting system adopts the ballast mode of gravity type boat davit water inlet and dynamical type draining, the buoyancy aid flying deck below of described head and the tail buoyancy aid arranges one deck buoyancy aid safety deck, and various functional cabin are set on buoyancy aid safety deck.
Fold-line-shaped camber or curvilinear figure camber are set on described pontoon deck.
Described head and the tail buoyancy aid adopts unitary structure, catamaran type structure or multi-hull type structure, and it is shaped as cuboid, prism or cylinder.
Described lateral offset device adopts propeller plant or spray-water propelling plant.
Described lateral offset device is at semisubmersible lifting platform outer setting attachment point, on semisubmersible lifting platform, winch is set, winch is connected by rope with attachment point, realizes semisubmersible lifting platform move along large-scale the floating structures length direction by winch retractable hawser.
Described vertical shift device arranges winch on head and the tail buoyancy aid, and the hawser that winch is used is connected on large-scale the floating structures, adjusts the position of semisubmersible lifting platform at large-scale the floating structures Width by the mode of winch retractable hawser.
The beneficial effects of the utility model are: this large-scale the floating structures semisubmersible lifting platform comprises buoyancy tank, head and the tail buoyancy aid, block, lateral offset device and vertical shift device, a head and the tail buoyancy aid is respectively set at the two ends of length of buoyancy tank edge direction, lateral offset device is arranged in the buoyancy tank of head and the tail buoyancy aid below, vertical shift device is arranged on the top of head and the tail buoyancy aid, buoyancy tank inside arranges ballast tank and ballasting system, on the buoyancy aid safety deck of head and the tail buoyancy aid, various functional cabin is set.This semisubmersible lifting platform can effectively solve length moldeed depth than relatively large large-scale the floating structures in operation process, the following part-structure maintenance of water surface problem, can not lie up, be not shifted, do not split, even do not affect under the prerequisite of its normal work, realize large-scale the floating structures maintenance, rust cleaning, painting operation, there is the advantages such as construction cost is low, the cycle is short, technological process is simple, applied widely.
Brief description of the drawings
Below in conjunction with drawings and embodiments, the utility model is described in further detail.
Fig. 1 is a kind of structural front view of large-scale the floating structures semisubmersible lifting platform.
Fig. 2 is a kind of structure birds-eye view of large-scale the floating structures semisubmersible lifting platform.
Fig. 3 is a kind of structure side view of large-scale the floating structures semisubmersible lifting platform.
Fig. 4 is large-scale the floating structures semisubmersible lifting platform maintenance work progress schematic diagram.
In figure: 1, buoyancy tank, 1a, pontoon deck, 1b, buoyancy tank base plate, 1c, buoyancy tank transversary, 1d, buoyancy tank longitudinal construction, 2, head and the tail buoyancy aid, 2a, buoyancy aid safety deck, 2b, buoyancy aid flying deck, 3, block, 4, lateral offset device, 5, vertical shift device.
Detailed description of the invention
Fig. 1,2,3 shows the constructional drawing of large-scale the floating structures semisubmersible lifting platform.In figure, large-scale the floating structures semisubmersible lifting platform comprises buoyancy tank 1, head and the tail buoyancy aid 2, block 3, lateral offset device 4 and vertical shift device 5, buoyancy tank 1 adopts the rectangular structure being made up of pontoon deck 1a, buoyancy tank base plate 1b, buoyancy tank transversary 1c and buoyancy tank longitudinal construction 1d, a head and the tail buoyancy aid 2 being fixedly connected with buoyancy tank 1 is respectively set at the two ends of buoyancy tank 1 long side direction, block 3 is arranged on pontoon deck 1a, lateral offset device 4 is arranged in the buoyancy tank 1 of head and the tail buoyancy aid 2 belows, and vertical shift device 5 is arranged on the top of head and the tail buoyancy aid 2.Buoyancy tank 1 inside arranges ballast tank and ballasting system, and ballasting system adopts the ballast mode of gravity type boat davit water inlet and dynamical type draining.The buoyancy aid flying deck 2b below of head and the tail buoyancy aid 2 arranges one deck buoyancy aid safety deck 2a, on the 2a of buoyancy aid safety deck, various functional cabin is set.Pontoon deck 1a adopts planar structure, and fold-line-shaped camber or curvilinear figure camber can be set if desired.
Buoyancy tank 1 is box-structure, and its inside is divided into the cabins such as ballast tank and ballasting system is set by longitudinal 1d and transverse member 1c.Be shaped as the head and the tail buoyancy aid 2 of cuboid in the stem of buoyancy tank and afterbody setting.Head and the tail buoyancy aid 2 at least arranges two-layer deck, i.e. buoyancy aid flying deck 2b and buoyancy aid safety deck 2a.Buoyancy aid flying deck 2b top arranges vertical shift device 5 and control cabin; Buoyancy aid safety deck 2a is for ensureing the safety of semisubmersible lifting platform, and its top arranges types of functionality cabin.
Buoyancy tank 1 stem and afterbody arrange propeller plant or pump jet as lateral offset device 4, for adjusting the relative position of semisubmersible lifting platform along large-scale the floating structures length direction.Lateral offset device 4 is similar to the first thruster of boats and ships, and forward or reverse thrust can be provided, when stem, afterbody thrust direction can realize the rotation of semisubmersible lifting platform in horizontal surface when contrary.Lateral offset device 4 also can be at semisubmersible lifting platform outer setting attachment point, on semisubmersible lifting platform, winch is set, winch is connected by rope with attachment point, realizes semisubmersible lifting platform move along large-scale the floating structures length direction by winch.
Head and the tail buoyancy aid 2 tops arrange vertical shift device 5, for adjusting the relative position of semisubmersible lifting platform along large-scale the floating structures Width.Vertical shift device 5 is made up of winch and hawser thereof.Hawser system is solid on large-scale the floating structures, adjusts the relative position of semisubmersible lifting platform at large-scale the floating structures Width by the mode of folding and unfolding hawser.
The principal dimensions design of semisubmersible lifting platform needs to meet following requirement: the inner effective length of buoyancy tank 1 is greater than the maximum width of large-scale the floating structures; The draft extreme of semisubmersible lifting platform is greater than large-scale the floating structures drinking water apart from the distance of block 3 upper surfaces with ensure semisubmersible lifting platform can dive to the below of large-scale the floating structures; Semisubmersible lifting platform is greater than the needed lifting force of corresponding height is lifted in large-scale the floating structures part at the lifting force in when drinking water work.The setting of semisubmersible lifting platform ballast tank should be able to meet maximum heavy dark ballast requirement, and adjust and carry requirement, and the requirement of longitudinal strength.
Fig. 4 shows a kind of application process of large-scale the floating structures semisubmersible lifting platform, and concrete application process is as follows: semisubmersible lifting platform is moved to large-scale the floating structures one end, and the two line of centers is mutually vertical.To ballast tank water filling in buoyancy tank 1, make the below at the bottom of semisubmersible lifting platform block 3 upper surfaces are positioned at large-scale the floating structures by gravity feed.By lateral offset device 4, semisubmersible lifting platform is moved to large-scale the floating structures below, adjust the width position of semisubmersible lifting platform at large-scale the floating structures by vertical shift device 5, ballast pump by semisubmersible lifting platform is discharged the ballast water in buoyancy tank 1, under buoyancy, large-scale the floating structures is lifted until water surface certain altitude is left in its bottom.Then can keep in repair the bottom of surfacing and topside, the operation such as rust cleaning, application.After operation completes, buoyancy tank 1 water-filling, dive, under 4 effects of lateral offset device, move a certain distance along large-scale the floating structures length direction, repeat above-mentioned location, lift ship, operation process, until whole maintenance process completes, semisubmersible lifting platform shifts out from other one end of large-scale the floating structures.
Claims (6)
1. one kind large-scale the floating structures semisubmersible lifting platform, it comprises buoyancy tank (1), it is characterized in that: it also comprises head and the tail buoyancy aids (2), block (3), lateral offset device (4) and vertical shift device (5), described buoyancy tank (1) adopts by pontoon deck (1a), buoyancy tank base plate (1b), the rectangular structure that buoyancy tank transversary (1c) and buoyancy tank longitudinal construction (1d) form, a head and the tail buoyancy aid (2) being fixedly connected with buoyancy tank (1) is respectively set at the two ends of buoyancy tank (1) long side direction, block (3) is arranged on pontoon deck (1a), described lateral offset device (4) is arranged in the buoyancy tank (1) of head and the tail buoyancy aids (2) below, described vertical shift device (5) is arranged on the top of head and the tail buoyancy aids (2), described buoyancy tank (1) inside arranges ballast tank and ballasting system, and ballasting system adopts the ballast mode of gravity type boat davit water inlet and dynamical type draining, buoyancy aid flying deck (2b) below of described head and the tail buoyancy aid (2) arranges one deck buoyancy aid safety deck (2a), on buoyancy aid safety deck (2a), various functional cabin is set.
2. large-scale the floating structures semisubmersible lifting platform according to claim 1, is characterized in that: fold-line-shaped camber or curvilinear figure camber are set on described pontoon deck (1a).
3. large-scale the floating structures semisubmersible lifting platform according to claim 1, is characterized in that: described head and the tail buoyancy aid (2) adopts unitary structure, catamaran type structure or multi-hull type structure, and it is shaped as cuboid, prism or cylinder.
4. large-scale the floating structures semisubmersible lifting platform according to claim 1, is characterized in that: described lateral offset device (4) adopts propeller plant or spray-water propelling plant.
5. large-scale the floating structures semisubmersible lifting platform according to claim 1, it is characterized in that: described lateral offset device (4) is at semisubmersible lifting platform outer setting attachment point, on semisubmersible lifting platform, winch is set, winch is connected by rope with attachment point, realizes semisubmersible lifting platform move along large-scale the floating structures length direction by winch retractable hawser.
6. large-scale the floating structures semisubmersible lifting platform according to claim 1, it is characterized in that: described vertical shift device (5) arranges winch on head and the tail buoyancy aid (2), the hawser that winch is used is connected on large-scale the floating structures, adjusts the position of semisubmersible lifting platform at large-scale the floating structures Width by the mode of winch retractable hawser.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420177626.5U CN203902800U (en) | 2014-04-14 | 2014-04-14 | A semi-submersible lifting platform for large floating marine structures |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420177626.5U CN203902800U (en) | 2014-04-14 | 2014-04-14 | A semi-submersible lifting platform for large floating marine structures |
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| Publication Number | Publication Date |
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| CN203902800U true CN203902800U (en) | 2014-10-29 |
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| CN201420177626.5U Expired - Fee Related CN203902800U (en) | 2014-04-14 | 2014-04-14 | A semi-submersible lifting platform for large floating marine structures |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103910044A (en) * | 2014-04-14 | 2014-07-09 | 大连理工大学 | A semi-submersible lifting platform for large floating marine structures and its application method |
| CN105151236A (en) * | 2015-09-28 | 2015-12-16 | 大连理工大学 | Floating pier and tower type submersible floating mobile carrying platform device and working method thereof |
| CN111024178A (en) * | 2019-12-16 | 2020-04-17 | 大连理工大学 | Ballast monitoring system for floating offshore platform and method for calculating liquid volume in tank |
-
2014
- 2014-04-14 CN CN201420177626.5U patent/CN203902800U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103910044A (en) * | 2014-04-14 | 2014-07-09 | 大连理工大学 | A semi-submersible lifting platform for large floating marine structures and its application method |
| CN105151236A (en) * | 2015-09-28 | 2015-12-16 | 大连理工大学 | Floating pier and tower type submersible floating mobile carrying platform device and working method thereof |
| CN105151236B (en) * | 2015-09-28 | 2017-07-21 | 大连理工大学 | Floating pier and tower type submersible floating mobile carrying platform device and working method thereof |
| CN111024178A (en) * | 2019-12-16 | 2020-04-17 | 大连理工大学 | Ballast monitoring system for floating offshore platform and method for calculating liquid volume in tank |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141029 Termination date: 20170414 |