CN103981846A - Pile positioning semi-submersible offshore dredging engineering ship - Google Patents

Pile positioning semi-submersible offshore dredging engineering ship Download PDF

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Publication number
CN103981846A
CN103981846A CN201410205804.5A CN201410205804A CN103981846A CN 103981846 A CN103981846 A CN 103981846A CN 201410205804 A CN201410205804 A CN 201410205804A CN 103981846 A CN103981846 A CN 103981846A
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China
Prior art keywords
dredging
pile
ship
type
guide pile
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CN201410205804.5A
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Chinese (zh)
Inventor
赵永生
何炎平
顾敏童
谭家华
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Shanghai Jiaotong University
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Shanghai Jiaotong University
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Priority to CN201410205804.5A priority Critical patent/CN103981846A/en
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Pending legal-status Critical Current

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Abstract

A pile positioning semi-submersible offshore dredging engineering ship comprises a semi-submersible platform, dredging equipment, a gauge pile, a gauge pile lifting system and a ship moving system; the dredging equipment is arranged on the semi-submersible platform; the gauge pile lifting system is fixed on the semi-submersible platform; the gauge pile is arranged in the gauge pile lifting system; the ship moving system is connected with the semi-submersible system. The ship can be effectively positioned during construction, the ship can be automatically moved when not in construction, the area of a water plane is effectively reduced due to the semi-submersible platform, and wave loads are reduced, so the ship is suitable for a sea area with relatively severe wind conditions and is particularly suitable for the open sea deep water areas.

Description

The marine dredging works ship of stake location semi-submersible type
Technical field
The invention belongs to field of ocean engineering, relate to off-lying sea dredging technology, be specifically related to the marine dredging works ship of a kind of stake location semi-submersible type.
Background technology
In recent years, the scale of waters dredging and reclamation work is increasing, and to dredging plant, especially the efficiency to equipment, cost and energy-conservation requirement are more and more higher, and dredging enterprises is also more and more urgent to the demand of large-scale dredging plant.Along with the development that marine resources are utilized, dredger is rapidly to maximization, high efficiency, automation, intellectuality and the fast development of environmental protection direction, countries in the world are in order to capture dredging market, all be devoted to develop large dredger of new generation, and unexpectedly first adopting new material, new technology, new technology, new equipment on these dredge boats.For example, adopt Highgrade integration, the intelligentized control technology of dredging; Adopt variable-frequency driving technique, more effectively and neatly utilize ship power and energy-conservation; More note environmental protection and crewman's living facilities; Navigating area is extended to the priorities such as world-wide and is applied on dredger by coastal waters.Both at home and abroad dredging and reclamation market in the urgent need to high-power, dig array pitch dark, far away greatly, possess the high-end dredger of excavating rock, pan soil.The core technology of the research and development of current large-scale dredger, design, construction rests in several large dredging companies in Europe and shipyard hand substantially, all there is gap compared with abroad, also dependence on import of large-scale and crucial dredging plant and technology at aspects such as maximization, efficiency of construction, technical performance, dredging automations in domestic dredging caravan.
South China sea, as the large epeiric sea in third place in the world, vast in territory, have the immense marine site of more than 300 ten thousand square kilometres, thousands of islands, reef, beach, sand etc. therebetween are especially dotted with.South China sea is located in low latitudes tropical and subtropical region, is having abnormal abundant fishery resources, deep-sea animal and plant resource and oil-gas resource.If carry out off-lying sea construction, the performance to engineering ship and special equipment is proposed higher requirement by severe sea situation.Existing technology and equipment far can not meet the requirement of Development of Marine economy, and relevant enterprise also must constantly be realized important breakthrough improving aspect the equipment such as boats and ships horizontal.
Through the literature search of prior art is found, group company of Oshima K.K. has in the world state-of-the-art dredge boat " east is auspicious " number and " five is auspicious " number, every grab bucket weighs 370 tons, 470 tons, and grab bucket volume can reach 200 cubes, is keeping world's Guiness Records always.This ship hull overall length 100m, molded breadth 36m, moldeed depth 6m, is the non-grab dredger of boat certainly, and when operation, maximum wind velocity is below 20m/s, and when lifting, hull maximum inclination angle is 2 °.This ship is adapted at working in situation that stormy waves condition is little, and is not suitable for carrying out off-lying sea construction, therefore in the urgent need to developing a kind of novel dredging works ship that is applicable to the more severe marine site construction of stormy waves condition.
Summary of the invention
The object of the invention is to overcome deficiency and the defect that existing dredging works ship adapts to off-shore operation, a kind of novel dredging works ship that is applicable to the more severe marine site construction of stormy waves condition is provided, specifically the marine dredging works ship of a kind of stake location semi-submersible type, is particularly useful for off-lying sea deepwater regions.
The technical scheme that the present invention solves its technical problem is:
The marine dredging works ship of a kind of stake location semi-submersible type, it comprises: semisubmersible platform, dredging plant, guide pile, guide pile hoisting system and move boat system; Wherein, dredging plant is arranged on semisubmersible platform, and guide pile hoisting system is fixed on semisubmersible platform, and guide pile is arranged in guide pile hoisting system, moves boat system and is connected with semisubmersible platform.
Further, described semisubmersible platform is many columns floating platform, comprises the main deck on upper strata, lower buoyancy aid and the some columns that are connected this main deck and lower buoyancy aid of lower floor, and described column is provided with perforate along the periphery of this main deck and the center of column.
Further, in described column, main deck and lower buoyancy aid, be provided with ballast tank, empty cabin, piggyback pod, propelling module, fuel oil tank, fresh-water tank and accommodation.
Further, described dredging plant comprises A type dredging loop wheel machine and the Type B dredging loop wheel machine on the main deck that is arranged on semisubmersible platform; On this A type dredging loop wheel machine, be connected with grab bucket, on this Type B dredging loop wheel machine, be connected with vibrating hammer.
Further, described guide pile hoisting system comprises the guide pile pile frame on the main deck that is fixed on described column top, this guide pile pile frame inside is fixed with center and is provided with upper ring beam and the lower ring of perforate, and on this, ring beam and lower ring are coupled together by the some oil cylinders between it.
Further, described guide pile comprises pile crown, pile body and can penetrate the pile top in seabed, and is inserted in successively in the perforate of described upper ring beam, column and lower ring; The side of the pile body of described guide pile is provided with pin hole, and the interior survey of the perforate of described upper ring beam and lower ring is provided with the hydraulic bolt for this guide pile of locking.
Further, the described boat system that moves comprises wire rope, is fixed on the positioning winch on the main deck of semisubmersible platform and is anchored in the high holding power anchor in seabed, and this wire rope one end is connected on high holding power anchor, and the other end is connected in positioning winch.
Further, described dredging plant is grab type dredging plant, backhoe type dredging plant or rock breaking device.
Further, described guide pile hoisting system is hydraulic jack lifting, winch lifting or pinion and-rack.
Further, the described boat system that moves is winch, wire rope and positioning anchor formula or dynamic positioning formula.
Compared with prior art, the invention has the beneficial effects as follows:
1) adopted in ocean engineering application more widely semisubmersible platform as hull, effectively reduced water plane area, thereby reduced seaway load, be therefore applicable to the more severe marine site of stormy waves condition, as the construction of off-lying sea marine site;
2) be provided with guide pile, in the time of construction, can effectively position boats and ships, can adopt if desired precompressed piling bar mode to limit ship motion;
3) be provided with and move boat system, can be shifted voluntarily, do not need Other Engineering boats and ships to assist displacement.
Brief description of the drawings
Fig. 1 is front view of the present invention.
Fig. 2 is top view of the present invention.
Fig. 3 is the A-A sectional view of Fig. 2.
Wherein: 1-semisubmersible platform, 2-A type dredging loop wheel machine, 3-high holding power anchor, 4-Type B dredging loop wheel machine, 5-grab bucket, 6-vibrating hammer, 7-guide pile, 8-guide pile pile frame, 9-positioning winch, 10-wire rope, 11-upper ring beam, 12-oil cylinder, 13-lower ring.
Detailed description of the invention
Below in conjunction with accompanying drawing, embodiments of the invention are further described, the present embodiment is implemented under the prerequisite of technical solution of the present invention, provided detailed embodiment and concrete operating process, but protection scope of the present invention is not limited to following embodiment.
As depicted in figs. 1 and 2, described in the present embodiment, a semi-submersible type marine dredging works ship in stake location comprises: semisubmersible platform 1, dredging plant, guide pile 7, guide pile hoisting system and move boat system.Described dredging plant is arranged on semisubmersible platform 1, and this dredging plant can be grab type dredging plant, backhoe type dredging plant or rock breaking device.Described guide pile hoisting system is fixed on semisubmersible platform 1, and this guide pile hoisting system can be hydraulic jack lifting, winch lifting or pinion and-rack.Described guide pile 7 is arranged in guide pile hoisting system.The described boat system that moves is connected with semisubmersible platform 1, and this moves boat system is winch, wire rope and positioning anchor formula or dynamic positioning formula.
Refer to Fig. 1, described semisubmersible platform 1 is many columns floating platform, comprise the main deck on upper strata, lower buoyancy aid and 4 groups of columns that are connected this main deck and lower buoyancy aid of lower floor, in this column, main deck and lower buoyancy aid, be provided with ballast tank, empty cabin, piggyback pod, propelling module, fuel oil tank, fresh-water tank and accommodation etc.Described semisubmersible platform 1 overall length 90m, molded breadth 60m, moldeed depth 24m, drinking water 12m, the fully loaded about 24000m of displacement of volume 3; Refer to Fig. 2, described in 4 groups, column is along the periphery of this main deck, and column fore-and-aft clearance is 50m, and between left and right apart from 30m, the cross section of described column is square, length of side 15m, and the central area of column is provided with square perforate, length of side 4.5m.
Refer to Fig. 1, described dredging plant comprises A type dredging loop wheel machine 2 and Type B dredging loop wheel machine 4; Described A type dredging loop wheel machine 2 and Type B dredging loop wheel machine 4 are arranged on the pedestal on semisubmersible platform 1 main deck; On this A type dredging loop wheel machine 2, be connected with grab bucket 5, on this Type B dredging loop wheel machine 4, be connected with vibrating hammer 6.
Described A type dredging loop wheel machine 2 is Full Rotary turned crane, and specified lifting force is 700t, and the radius of clean-up is 35m, fully loaded lifting velocity 0-40m/min, underloading lifting velocity 0-60m/min; Described Type B dredging loop wheel machine 4 is Full Rotary turned crane, and specified lifting force is 700t, and the radius of clean-up is 35m, fully loaded lifting velocity 0-40m/min, underloading lifting velocity 0-60m/min; Described grab bucket 5 is 200m 3active hydraulic grab, about 370ton conducts oneself with dignity; Described vibrating hammer 6 is active hydraulic vibration driver, and about 100ton conducts oneself with dignity.
Refer to Fig. 3, described guide pile hoisting system comprises four groups of guide pile pile frames 8, supporting and location stake 7 during in order to towage, and the high 25m of this guide pile pile frame 8, is fixed on the main deck of described column top; These guide pile pile frame 8 inside are fixed with center and are provided with upper ring beam 11 and the lower ring 13 of perforate, and on this, ring beam 11 and lower ring 13 are coupled together by the some oil cylinders 10 between it, and the cylinder body lower end of this oil cylinder 12 is connected with lower ring 13, and cylinder bar is connected with upper ring beam 11.
Each four groups of described upper ring beam 11 and lower ring 13, on this, the interior survey of the perforate of ring beam 11 and lower ring 12 is provided with the hydraulic bolt for the described guide pile 7 of locking.Totally 16 groups of described oil cylinders 10, each guide pile pile frame 8 is joined four groups, and this oil cylinder 10 is hydraulic-driven, normal thrust 250ton, specified pulling force 200ton, normal speed 0-5m/min.
Totally four groups of described guide piles, comprise pile crown, pile body and can penetrate the rock type pile top in seabed, and be inserted in successively in the perforate of described upper ring beam 11, column and lower ring 12.The cross section of described guide pile 7 can be square, and total stake is long is 70m, length of side 4m, and stake deadweight is about 350ton, and the material of pile body is DH36 high strength steel, and the side of pile body is provided with for inserting hydraulic bolt so that the pin hole of locking positioning stake 7.
The described boat system that moves comprises wire rope 10, is fixed on the positioning winch 9 on the main deck of semisubmersible platform 1 and is anchored in the high holding power anchor 3 in seabed, and these wire rope 10 one end are connected on high holding power anchor 3, and the other end is connected on the reel of positioning winch 9.
Totally four groups of described positioning winch 9, adopt hydraulic-driven, specified pulling force 800kN, normal speed 0-20m/min; Totally four groups of described high holding power anchors 3, anchor is heavily 12ton.
The course of work of the present embodiment is as follows:
1) when semi-submersible type marine dredging works ship in described stake location arrives behind predetermined construction marine site, utilize engineering support vessel that 4 groups of high holding power anchors 3 are thrown to predetermined sea bed, recycling positioning winch 9 and wire rope 10 are accurately located;
2) utilize oil cylinder 10 and upper ring beam 11 to transfer four groups of guide piles 7 and penetrate seabed;
3) drive Type B dredging loop wheel machine 4, utilize vibrating hammer 6 that underwater dredging thing is shaken broken;
4) drive A type dredging loop wheel machine 2, utilize grab bucket 5 that the dredging thing that shakes broken is under water picked up;
5) rotation A type dredging loop wheel machine 2 is proceeded dredging;
6) utilize oil cylinder 10 and upper ring beam 11 to rise four groups of guide piles 7;
7) utilize positioning winch 9 and wire rope 10 to move the stake location marine dredging works ship of semi-submersible type and enter next station.
The marine dredging works ship of stake location semi-submersible type and the group company of Oshima K.K. that the present embodiment provides has state-of-the-art dredge boat " east is auspicious " number in the world and compares with " five is auspicious " number, owing to having adopted in ocean engineering application, semisubmersible platform is as hull more widely, and Water Plane MSL area reduces about 2700m 2thereby, effectively reduce seaway load, be therefore applicable to the more severe marine site construction of stormy waves condition; Arrange the essentially identical dredging loop wheel machine of two covers in hull stem and afterbody, necessary time, can exchange, increased the redundancy of equipment; Be equipped with four groups of location piling bars, in the time of construction, can have effectively positioned boats and ships, not only improved dredging precision but also can effectively reduce hull and moved; Be provided with and move boat system, can be shifted voluntarily, do not need Other Engineering boats and ships to assist displacement.

Claims (10)

1. the marine dredging works ship of stake location semi-submersible type, is characterized in that, described working ship comprises: semisubmersible platform, dredging plant, guide pile, guide pile hoisting system and move boat system; Wherein, dredging plant is arranged on semisubmersible platform, and guide pile hoisting system is fixed on semisubmersible platform, and guide pile is arranged in guide pile hoisting system, moves boat system and is connected with semisubmersible platform.
2. the marine dredging works ship of stake according to claim 1 location semi-submersible type, it is characterized in that, described semisubmersible platform is many columns floating platform, comprise the main deck on upper strata, lower buoyancy aid and the some columns that are connected this main deck and lower buoyancy aid of lower floor, described column is provided with perforate along the periphery of this main deck and the center of column.
3. the marine dredging works ship of stake according to claim 2 location semi-submersible type, is characterized in that, in described column, main deck and lower buoyancy aid, is provided with ballast tank, empty cabin, piggyback pod, propelling module, fuel oil tank, fresh-water tank and accommodation.
4. the marine dredging works ship of stake according to claim 2 location semi-submersible type, is characterized in that, described dredging plant comprises A type dredging loop wheel machine and the Type B dredging loop wheel machine on the main deck that is arranged on semisubmersible platform; On this A type dredging loop wheel machine, be connected with grab bucket, on this Type B dredging loop wheel machine, be connected with vibrating hammer.
5. the marine dredging works ship of stake according to claim 4 location semi-submersible type, it is characterized in that, described guide pile hoisting system comprises the guide pile pile frame on the main deck that is fixed on described column top, this guide pile pile frame inside is fixed with center and is provided with upper ring beam and the lower ring of perforate, and on this, ring beam and lower ring are coupled together by the some oil cylinders between it.
6. the marine dredging works ship of stake according to claim 5 location semi-submersible type, is characterized in that, described guide pile comprises pile crown, pile body and can penetrate the pile top in seabed, and is inserted in successively in the perforate of described upper ring beam, column and lower ring; The side of the pile body of described guide pile is provided with pin hole, and the interior survey of the perforate of described upper ring beam and lower ring is provided with the hydraulic bolt for this guide pile of locking.
7. the marine dredging works ship of stake according to claim 6 location semi-submersible type, it is characterized in that, the described boat system that moves comprises wire rope, is fixed on the positioning winch on the main deck of semisubmersible platform and is anchored in the high holding power anchor in seabed, this wire rope one end is connected on high holding power anchor, and the other end is connected in positioning winch.
8. the marine dredging works ship of stake according to claim 1 location semi-submersible type, is characterized in that, described dredging plant is grab type dredging plant, backhoe type dredging plant or rock breaking device.
9. the marine dredging works ship of stake according to claim 1 location semi-submersible type, is characterized in that, described guide pile hoisting system is hydraulic jack lifting, winch lifting or pinion and-rack.
10. the marine dredging works ship of stake according to claim 1 location semi-submersible type, is characterized in that, the described boat system that moves is winch, wire rope and positioning anchor formula or dynamic positioning formula.
CN201410205804.5A 2014-05-15 2014-05-15 Pile positioning semi-submersible offshore dredging engineering ship Pending CN103981846A (en)

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Cited By (11)

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CN104912143A (en) * 2015-05-25 2015-09-16 东北大学 Unmanned dredging device for processing industrial sludge and stink and working method thereof
CN105857519A (en) * 2016-03-22 2016-08-17 浙江海洋学院 Four-anchor positioning system of engineering ship
CN105857520A (en) * 2016-03-22 2016-08-17 浙江海洋学院 Anchor mooring positioning structure of ship
CN109252560A (en) * 2018-10-29 2019-01-22 上海振华重工(集团)股份有限公司 A kind of three way ropes position system of cutter suction dredger
CN109353464A (en) * 2018-12-05 2019-02-19 大连英蕴科技有限公司 A kind of ocean engineering job platform and operational method
CN110005004A (en) * 2019-03-26 2019-07-12 福建浚顺设备科技有限公司 A kind of positioning device of Amphibious digging machine
CN110130348A (en) * 2019-04-18 2019-08-16 江苏亨通蓝德海洋工程有限公司 A kind of major diameter floating joint pile holding system and its construction method
CN110254635A (en) * 2019-05-28 2019-09-20 浙江海洋大学 A kind of Automatic piling device of ocean platform
CN113086118A (en) * 2021-04-23 2021-07-09 中国舰船研究设计中心 Column type positioning device for landing naval
CN113335450A (en) * 2021-06-07 2021-09-03 中国长江电力股份有限公司 Engineering ship integrated hydraulic system and method
CN113335451A (en) * 2021-06-07 2021-09-03 中国长江电力股份有限公司 Engineering ship positioning system and method

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Cited By (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104912143B (en) * 2015-05-25 2017-07-25 东北大学 A kind of unmanned dredging plant and its method of work for handling industrial sludge and stench
CN104912143A (en) * 2015-05-25 2015-09-16 东北大学 Unmanned dredging device for processing industrial sludge and stink and working method thereof
CN105857519A (en) * 2016-03-22 2016-08-17 浙江海洋学院 Four-anchor positioning system of engineering ship
CN105857520A (en) * 2016-03-22 2016-08-17 浙江海洋学院 Anchor mooring positioning structure of ship
CN109252560B (en) * 2018-10-29 2023-10-10 上海振华重工(集团)股份有限公司 Three-cable positioning system of cutter suction dredger
CN109252560A (en) * 2018-10-29 2019-01-22 上海振华重工(集团)股份有限公司 A kind of three way ropes position system of cutter suction dredger
CN109353464A (en) * 2018-12-05 2019-02-19 大连英蕴科技有限公司 A kind of ocean engineering job platform and operational method
CN110005004A (en) * 2019-03-26 2019-07-12 福建浚顺设备科技有限公司 A kind of positioning device of Amphibious digging machine
CN110130348A (en) * 2019-04-18 2019-08-16 江苏亨通蓝德海洋工程有限公司 A kind of major diameter floating joint pile holding system and its construction method
CN110254635A (en) * 2019-05-28 2019-09-20 浙江海洋大学 A kind of Automatic piling device of ocean platform
CN113086118A (en) * 2021-04-23 2021-07-09 中国舰船研究设计中心 Column type positioning device for landing naval
CN113335450A (en) * 2021-06-07 2021-09-03 中国长江电力股份有限公司 Engineering ship integrated hydraulic system and method
CN113335451A (en) * 2021-06-07 2021-09-03 中国长江电力股份有限公司 Engineering ship positioning system and method

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