CN101492140B - Aluminum alloy catamaran whole-boat afloat process - Google Patents

Aluminum alloy catamaran whole-boat afloat process Download PDF

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Publication number
CN101492140B
CN101492140B CN 200810032833 CN200810032833A CN101492140B CN 101492140 B CN101492140 B CN 101492140B CN 200810032833 CN200810032833 CN 200810032833 CN 200810032833 A CN200810032833 A CN 200810032833A CN 101492140 B CN101492140 B CN 101492140B
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CN
China
Prior art keywords
hull
suspension bracket
hanger
catamaran
aluminum alloy
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Application number
CN 200810032833
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Chinese (zh)
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CN101492140A (en
Inventor
钟广军
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江南造船(集团)有限责任公司
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Priority to CN 200810032833 priority Critical patent/CN101492140B/en
Publication of CN101492140A publication Critical patent/CN101492140A/en
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Publication of CN101492140B publication Critical patent/CN101492140B/en

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Abstract

The invention discloses an overhead hoist for an aluminum alloy twin-hull boat, which comprises two hull lug supports and a suspension bracket, wherein the suspension bracket is rectangular, four corners of the suspension bracket are respectively provided with upper lifting lugs and lower lifting lugs, both ends of the hull lug supports are also provided with lifting lugs, and the lower lifting lugs of the suspension bracket are connected with the lifting lugs of the hull lug supports through steel wire ropes. The overhead hoist does not need to bind and tighten hulls, the danger of hydroplaning and shedding does not exist, and the lifting is safer and more reliable. The suspension bracket of the upper part can play a role in supporting to avoid strapping and hurting the hulls by the steel wire ropes when lifting and to deform the hulls. The invention also discloses a method for launching the entire aluminum alloy twin-hull boat by using the overhead hoist. The method has the advantages of easy operation for lifting and hoisting, easy control for stationarity, low riskiness and little influence on the hull deformation in the whole process of suspension setting and launching.

Description

The whole launched process of aluminum alloy catamaran
Technical field
The invention belongs to the technology of hull construction field, relate in particular a kind ofly after the most of completion of ship building engineering, implement the whole designed process and be the custom-designed overhead hoist of enforcement the method for launching a ship for aluminum alloy catamaran.
Background technology
In order to make launching, various launching method and lower drainage facility can be selected according to the condition of self and the construction characteristics of production requirement and boats and ships self etc. by ship building factory.Be summed up by its lower water principle, be broadly divided into following three major types: 1. gravity launching: the component (sliding force) that relies on the gravity of boats and ships itself to produce at runway, and make the boats and ships slippage in water by means of certain sanitation.2. floating launching: rely on lower drainage facility (such as building dock) that the naturally floating fitting-out quay that is displaced to again of boats and ships is gone.3. mechanizing launching: boats and ships are moved on to the water and go from building the district with certain mechanical equipment.Three kinds of methods respectively have its merits and faults and Applicable scope, should select as the case may be suitable method and facility.
Mechanical strength and the common iron of aluminum alloy are similar, but its modulus of elasticity only has 1/3rd of steel approximately, and the rigidity of aluminium-alloy hull self is just relatively poor, under external force than the easier generation distortion of steel ship.Especially catamaran has two lamellar bodies, if adopt traditional gravity launching, not only the distortion of hull itself is difficult to control, but also wants customized design, the reasonable failure-free slideway special of manufacturing, wastes time and energy; Slideway, slide plate need the operations such as oiling, frizing and heating grease all surrounding environment to be produced various contamination phenomenon.Adopt floating launching then the hardware facility of shipyard to be had relatively high expectations, require to have special building dock or floating drydock etc., this also is difficult to realize concerning the shipyard of general employing building berth shipbuilding.Consider the material of aluminum alloy catamaran self and constructional feature, mode of construction, shipyard facility etc., adopt under the mechanization handling water the most suitable, yet, if adopt suspender belt binding mode, owing to need colligation fastening, slightly pine then binding strap slide easily, tension then easily injures hull; If the hull structure line style is very complicated, then be unfavorable for the enforcement of colligation work; The difficult control of the stationarity of water process under the whole handling, center of gravity is wayward, and flexibility of operation is not very good, and safety factor is also on the low side.
Summary of the invention
The technical matters that the present invention will solve provides a kind of hull overhead hoist, adopts this overhead hoist can solve that aluminum alloy catamaran is yielding in the handling process, the problem of easy slip.
In order to solve the problems of the technologies described above, the present invention adopts following technical scheme: a kind of overhead hoist of aluminum alloy catamaran, comprise two hull carriages and a suspension bracket, described suspension bracket is rectangle, four jiaos of suspension bracket are equipped with hanger and lower hanger, the two ends of hull carriage also are provided with hanger, are connected by steel wire cable between the lower hanger of suspension bracket and the hanger of hull carriage.
Overhead hoist of the present invention utilizes two hull carriages hull steadily to be held up from the bottom, can avoid shipbody deformation, and it is fastening not need that hull is carried out colligation, does not also have the danger of skidding and coming off; The suspension bracket of top can be played a supporting role, the steel wire cable meeting ankle injury hull when avoiding lifting by crane, and it is more safe and reliable therefore to adopt overhead hoist of the present invention to carry out the hull lifting.A whole set of overhead hoist is easy to make, the hoisting and hanging easy operating, and stationarity is easy to control, and risk is low, makes whole hoisting process less on the impact of shipbody deformation.This device is easy to maintenance, can cycling and reutilization, can not cause waste of material, and can save a large amount of man-hours and productive costs, shorten the production cycle, be specially adapted to the batch manufacturing of aluminum alloy catamaran oceangoing ship.
Preferably, the length of described suspension bracket equals the distance between the two hull carriages, and the width of suspension bracket equals the length of hull carriage.Can guarantee that like this in the lifting process, the steel wire cable between suspension bracket and the hull carriage is vertical state, can not apply to hull the squeese pressure of horizontal direction.
Preferably, described hull carriage is provided with the groove that adapts with the hull bottom line style.Can guarantee that like this hull carriage contacts with the reliable of hull bottom, and enlarge active surface, shipbody deformation reduced.
Preferably, described suspension bracket is surrounded by four steel pipes, and the centre is provided with cross one another reinforced rib.
Preferably, described upper and lower hanger links to each other with a block plate one, and described steel plate runs through described steel pipe along diametric(al).Upper and lower hanger adopts integral structure, can farthest guarantee its tensile strength.
Preferably, described upper hanger all slopes inwardly.
Another technical matters that the present invention will solve provides the whole launched process of a kind of aluminum alloy catamaran, and the method need be utilized above-mentioned overhead hoist, and it may further comprise the steps:
(1) in advance the hull carriage is placed hull bottom, two hull carriages lay respectively at ship stern and ship bow part;
(2) with sling suspension bracket and be stopped at hull top of crane barge ship, utilize steel wire cable to connect the lower hanger of suspension bracket and the hanger of hull carriage;
(3) after safety inspection is qualified, lift by crane, then the crane barge outboard is moved, catamaran is shifted out harbour move to directly over the dropping place waters;
(4) the suspension hook slow decreasing of crane barge ship automatically rises to hull and floats on the water surface, with mooring boat hull is hauled out outside the overhead hoist to get final product.
Wherein, it is after hull is constructed with the state of anti-body that the hull carriage is placed the step () of hull bottom, carries out finishing when hull stands up.
Launching method of the present invention can adopt the mode of mechanization handling to finish the whole process that launches a ship owing to adopted rational overhead hoist, and is pollution-free to the Xia Shui waters, simultaneously the pollution of shipbuilding production site also greatly reduced, and greatly reduces labor strength.Lower water process can guarantee that hull surface is injury-free, has improved safety factor, and structural strain's also can meet the demands, and can reduce significantly shipbuilding cost and increases economic efficiency.
Description of drawings
Below in conjunction with the drawings and specific embodiments the present invention is described in further detail.
Fig. 1 is the overhead hoist structural representation of aluminum alloy catamaran of the present invention.
Fig. 2 is the structural representation of suspension bracket.
Fig. 3 is the annexation scheme drawing of upper and lower hanger and suspension bracket.
Fig. 4 is the structural representation of hull carriage.
The specific embodiment
As shown in Figure 1, the overhead hoist of aluminum alloy catamaran of the present invention comprises two hull carriages 4 and a suspension bracket 1, suspension bracket 1 is rectangle, four jiaos of suspension bracket are equipped with hanger 11 and lower hanger 12, the two ends of hull carriage 4 also are provided with hanger 41, are connected by steel wire cable 2 between the lower hanger 12 of suspension bracket and the hanger 41 of hull carriage.
As shown in Figure 2, suspension bracket 1 is welded into rectangular frame by the solid drawn pipe 13 of four Φ 377 * 25, and middle the intersection with five steel pipes reinforced formation reinforced rib 14, and steel pipe and junction are strengthened with bracket.In order to guarantee that the steel wire cable 2 between the suspension bracket and hull carriage roughly is vertical state in the lifting process, can not apply to hull the squeese pressure of horizontal direction, the length of suspension bracket 1 equals the distance between the two hull carriages 4, and the width of suspension bracket 1 equals the length of hull carriage 4.
As shown in Figure 3, for guarantee between the upper and lower hanger tensile strength and with the Joint strenght of suspension bracket, upper and lower hanger adopts integral structure, steel plate 15 runs through the steel pipe 13 that consists of suspension bracket along diametric(al), and weld mutually with steel pipe 13, form respectively hanger 11 and lower hanger 12 at lower, the lower two ends of steel plate 15, wherein go up hanger 11 and tilt 12 ° to the centerline direction of suspension bracket, adapt with the angle of inclination with hoisting wirerope.
Hull carriage 4 is the rectangle carriages that formed by I-beam section and steel plate manufacturing, be divided into a stem carriage and a ship stinger, hold in the palm respectively the bottom at stem and ship stern, be equipped with the groove 42 that adapts with hull 3 bottom line styles on two hull carriages 4, as shown in Figure 4, stem carriage and ship stinger are symmetrical structure, and left one side of something of Fig. 4 shows the groove 42 on the ship stinger, and right one side of something shows the groove 42 on the stem carriage.
It is as follows to utilize above-mentioned overhead hoist to implement the whole launched method of aluminum alloy catamaran:
(1) according to the requirement of building berth arrangement plan two hull carriages 4 is placed on the building berth in advance, simultaneously can doublely do powerful pier position, after the hull of aluminum alloy catamaran is constructed with the state of anti-body, can utilize Chinese utility model patent CN2897578 disclosed " the whole overturning rack of aluminium boat " to carry out hull and stand up, after the accurate dropping place of building berth on the whole ship, copy reality with chock 5 and hull 3.
(2) prepare rigging by integral hoisting rigging configuration requirement and hang on the hanger of suspension bracket, crane barge ship by 1 500 tons or 1000 tons is carried out handling, the crane barge ship puts in place, under lifting commanding's commander, sling suspension bracket to certain altitude, move forward to quayside hull top, main hook descends, and the steel rope lower end is connected appropriate with hanger on the hull carriage.
(3) after safety inspection is qualified, lift by crane, behind hull carriage built on stilts 100~200mm height, suspend and rise, check that hanger, steel rope etc. have or not abnormal condition, confirm without beginning to hoist after any hidden danger.When front and back suspension centre hoisting weight is uneven, can adjust rigging length with shackle for subsequent use temporarily.When the hull bottom of catamaran surpasses the about 500mm of flood-control wall, the crane barge outboard can be moved, catamaran be shifted out harbour move to directly over the dropping place waters.
(4) the suspension hook slow decreasing of crane barge ship automatically rises to hull and floats on the water surface, with mooring boat hull is hauled out outside the overhead hoist, should slowly carry out when dragging, and need avoid abrading hull.Overhead hoist is hung on bank, dismantle lower suspension bracket and rigging, so just finished the process of whole lifting, displacement, lower water.
The present invention can be widely applied to whole the launching a ship of 100~300 tons of aluminum alloy catamarans of displacement.

Claims (1)

1. the whole launched process of aluminum alloy catamaran is characterized in that, may further comprise the steps:
(1) in advance two hull carriages are placed on the building berth, the double powerful pier position of doing, the two ends of hull carriage are provided with hanger, with the hull of the constructed aluminum alloy catamaran of state of anti-body; After hull stood up, make two hull carriages hold in the palm respectively bottom at stem and ship stern;
(2) with sling suspension bracket and be stopped at hull top of crane barge ship, described suspension bracket is rectangle, and four jiaos of suspension bracket are equipped with hanger and lower hanger, utilize steel wire cable to connect the lower hanger of suspension bracket and the hanger of hull carriage;
(3) after safety inspection is qualified, lift by crane, then the crane barge outboard is moved, catamaran is shifted out harbour move to directly over the dropping place waters;
(4) the suspension hook slow decreasing of crane barge ship automatically rises to hull and floats on the water surface, with mooring boat hull is hauled out outside the overhead hoist to get final product.
CN 200810032833 2008-01-21 2008-01-21 Aluminum alloy catamaran whole-boat afloat process CN101492140B (en)

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Application Number Priority Date Filing Date Title
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CN101492140A CN101492140A (en) 2009-07-29
CN101492140B true CN101492140B (en) 2013-03-20

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Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101723237B (en) * 2010-01-22 2013-03-13 中交四航局第二工程有限公司 Novel soft rope strut type hanger for box girder
CN102897672A (en) * 2012-10-10 2013-01-30 江苏省镇江船厂(集团)有限公司 Full-rotation tugboat vertical lifting device and entire boat lifting launching method
CN103010404B (en) * 2012-12-20 2015-04-22 广州中船黄埔造船有限公司 Segmental general assembly method for aluminum alloy superstructure
CN103640957B (en) * 2013-10-18 2015-07-22 沪东中华造船(集团)有限公司 Multi-hoisting point hoisting method for large annular thin-walled ship hull block
CN105110166B (en) * 2015-09-23 2017-07-07 安徽安凯汽车股份有限公司 New type passenger car automobile body transfer suspender
CN105947872A (en) * 2016-06-17 2016-09-21 南通德玛瑞机械制造有限公司 Tail shaft hoisting method for 22-meter ship
CN106629378B (en) * 2016-12-06 2018-05-04 中船黄埔文冲船舶有限公司 A kind of handling apparatus and method moved to ship on the bank or in dry dock
CN108313238B (en) * 2017-01-16 2020-06-26 烟台中集来福士海洋工程有限公司 Self-elevating type marine equipment launching method and launching system thereof
CN108622332A (en) * 2018-05-10 2018-10-09 中船黄埔文冲船舶有限公司 Ceiling mount bracket for spitkit

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2500659Y (en) * 2001-10-21 2002-07-17 青岛港务局 Lifter for overlength steel plate
CN2567192Y (en) * 2002-08-22 2003-08-20 高永庠 Hanging bracket capable of lifting three baged goods
CN2649552Y (en) * 2003-11-05 2004-10-20 上海起帆科技股份有限公司 Multipurpose combined cradle
CN2897578Y (en) * 2006-02-13 2007-05-09 江南造船(集团)有限责任公司 Wholly turnover rack of aluminum-alloy ship
JP5262286B2 (en) * 2008-05-19 2013-08-14 パナソニック株式会社 Axial blower

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2500659Y (en) * 2001-10-21 2002-07-17 青岛港务局 Lifter for overlength steel plate
CN2567192Y (en) * 2002-08-22 2003-08-20 高永庠 Hanging bracket capable of lifting three baged goods
CN2649552Y (en) * 2003-11-05 2004-10-20 上海起帆科技股份有限公司 Multipurpose combined cradle
CN2897578Y (en) * 2006-02-13 2007-05-09 江南造船(集团)有限责任公司 Wholly turnover rack of aluminum-alloy ship
JP5262286B2 (en) * 2008-05-19 2013-08-14 パナソニック株式会社 Axial blower

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