CN101492140A - Sling apparatus for aluminum alloy catamaran and whole-boat set afloat process - Google Patents
Sling apparatus for aluminum alloy catamaran and whole-boat set afloat process Download PDFInfo
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- CN101492140A CN101492140A CNA2008100328330A CN200810032833A CN101492140A CN 101492140 A CN101492140 A CN 101492140A CN A2008100328330 A CNA2008100328330 A CN A2008100328330A CN 200810032833 A CN200810032833 A CN 200810032833A CN 101492140 A CN101492140 A CN 101492140A
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- overhead hoist
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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
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 to put in order the designed process and of launching a ship for aluminum alloy catamaran for implementing the custom-designed overhead hoist of this method.
Background technology
In order to make launching, various launching method and following 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.By its down water principle conclude, 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 on runway, to produce, and make the boats and ships slippage in water by means of certain sanitation.2. floating launching: relying on down, drainage facility (as building dock) goes to the floating naturally fitting-out quay that is displaced to again of boats and ships.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 suitable method and facility as the case may be for use.
The mechanical strength and the common iron of aluminum alloy are similar, but its modulus of elasticity has only 1/3rd of steel approximately, and the aluminium-alloy hull self rigidity is just relatively poor, more is easy to generate distortion than the steel ship under external force.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 special-purpose slideway of the reasonable failure-free of manufacturing, wastes time and energy; Slideway, slide plate need 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.Take all factors into consideration 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 a rectangle, four jiaos of suspension bracket are respectively equipped with hanger and following hanger, the two ends of hull carriage also are provided with hanger, are connected by steel wire cable between the following 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 to the influence 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 the squeese pressure of horizontal direction hull.
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 increase area of contact, reduce shipbody deformation.
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, the described hanger of going up 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 this 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 following 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 waters;
(4) suspension hook of crane barge ship slowly drops to hull and automatically rises and float 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 built 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 pollution-free to the Xia Shui waters, the pollution to the shipbuilding production site simultaneously also greatly reduces, and reduces labor strength greatly.Following 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 the shipbuilding cost significantly 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 a rectangle, four jiaos of suspension bracket are respectively equipped with hanger 11 and following hanger 12, the two ends of hull carriage 4 also are provided with hanger 41, are connected by steel wire cable 2 between the following 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 the squeese pressure of horizontal direction to hull, 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 constitutes suspension bracket along diametric(al), and weld mutually with steel pipe 13, following, following two ends at steel plate 15 form hanger 11 and following hanger 12 respectively, wherein go up hanger 11 and tilt 12 ° to the centerline direction of suspension bracket, adapt with the angle of inclination with hoisting wirerope.
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 built with the state of anti-body, can utilize Chinese utility model patent CN2897578 disclosed " aluminium boat integral body is stood up frame " to carry out hull and stand up, treat on the whole ship that the building berth back, position that accurately falls copies 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 to begin to hoist after no any hidden danger.When front and back suspension centre hoisting weight is uneven, can adjust rigging length with standby shackle 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 waters.
(4) suspension hook of crane barge ship slowly drops to hull and automatically rises and float 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, and dismounting is suspension bracket and rigging down, has so just finished the process of whole lifting, displacement, following 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 (8)
1. the overhead hoist of an aluminum alloy catamaran, it is characterized in that: comprise two hull carriages (4) and a suspension bracket (1), described suspension bracket (1) is a rectangle, four jiaos of suspension bracket (1) are respectively equipped with hanger (11) and following hanger (12), the two ends of hull carriage (4) also are provided with hanger (41), are connected by steel wire cable (2) between the following hanger (12) of suspension bracket and the hanger (41) of hull carriage.
2. the overhead hoist of aluminum alloy catamaran according to claim 1, it is characterized in that: the length of described 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).
3. the overhead hoist of aluminum alloy catamaran according to claim 1, it is characterized in that: described hull carriage (4) is provided with the groove (42) that adapts with the hull bottom line style.
4. the overhead hoist of aluminum alloy catamaran according to claim 1, it is characterized in that: described suspension bracket (1) is surrounded by four steel pipes (13), and the centre is provided with cross one another reinforced rib (14).
5. the overhead hoist of aluminum alloy catamaran according to claim 4, it is characterized in that: described upper and lower hanger (11,12) links to each other with a block plate (15) one, and described steel plate (15) runs through described steel pipe (13) along diametric(al).
6. the overhead hoist of aluminum alloy catamaran according to claim 5 is characterized in that: the described hanger (11) of going up all slopes inwardly.
7. one kind is utilized the described overhead hoist of claim 1 to implement the whole launched process of aluminum alloy catamaran, 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 following 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 waters;
(4) suspension hook of crane barge ship slowly drops to hull and automatically rises and float on the water surface, with mooring boat hull is hauled out outside the overhead hoist to get final product.
8. aluminum alloy catamaran according to claim 7 is put in order launched process, it is characterized in that: described step () carries out finishing when hull stands up after hull is built with the state of anti-body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200810032833 CN101492140B (en) | 2008-01-21 | 2008-01-21 | Aluminum alloy catamaran whole-boat afloat process |
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| CN 200810032833 CN101492140B (en) | 2008-01-21 | 2008-01-21 | Aluminum alloy catamaran whole-boat afloat process |
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| CN101492140A true CN101492140A (en) | 2009-07-29 |
| CN101492140B CN101492140B (en) | 2013-03-20 |
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Cited By (16)
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| 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 |
| 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 |
| CN103010404A (en) * | 2012-12-20 | 2013-04-03 | 广州中船黄埔造船有限公司 | Segmental general assembly method for aluminum alloy superstructure |
| CN103640957A (en) * | 2013-10-18 | 2014-03-19 | 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 |
| CN105110166A (en) * | 2015-09-23 | 2015-12-02 | 安徽安凯汽车股份有限公司 | Novel lifting appliance for transporting passenger car body |
| 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 |
| CN106629378A (en) * | 2016-12-06 | 2017-05-10 | 中船黄埔文冲船舶有限公司 | Hoisting device and method for transferring ship on to bank or in dry dock |
| CN108313238A (en) * | 2017-01-16 | 2018-07-24 | 烟台中集来福士海洋工程有限公司 | Jack up sea tooling is for launching method and its sewerage |
| 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 |
| CN109853463A (en) * | 2019-01-21 | 2019-06-07 | 卢宗鸿 | A kind of ships and light boats berthing device and ships method of docking |
| CN111545874A (en) * | 2020-03-30 | 2020-08-18 | 广州文冲船舶修造有限公司 | Deformation control method in aluminum alloy hull section manufacturing |
| CN112062007A (en) * | 2020-07-07 | 2020-12-11 | 中国海洋石油集团有限公司 | Riser installation method based on small-sized workboat |
| CN112208724A (en) * | 2020-10-23 | 2021-01-12 | 中船黄埔文冲船舶有限公司 | Deformation-preventing hoisting method for ship open section |
| CN112645209A (en) * | 2020-12-28 | 2021-04-13 | 叶进银 | Synchronous overhead hoist of many steel pipes for construction |
| CN112875493A (en) * | 2021-01-28 | 2021-06-01 | 广州船舶及海洋工程设计研究院（中国船舶工业集团公司第六0五研究院） | Ship integral hoisting device and hoisting method |
| CN112938758A (en) * | 2021-01-27 | 2021-06-11 | 中建桥梁有限公司 | Steel beam rod piece overturning method |
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| 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 |
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| 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 |
| CN103010404A (en) * | 2012-12-20 | 2013-04-03 | 广州中船黄埔造船有限公司 | Segmental general assembly method for aluminum alloy superstructure |
| 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 |
| CN103640957A (en) * | 2013-10-18 | 2014-03-19 | 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 |
| 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 |
| CN105110166A (en) * | 2015-09-23 | 2015-12-02 | 安徽安凯汽车股份有限公司 | Novel lifting appliance for transporting passenger car body |
| 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 |
| CN106629378A (en) * | 2016-12-06 | 2017-05-10 | 中船黄埔文冲船舶有限公司 | Hoisting device and method for transferring ship on to bank or in dry dock |
| 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 |
| CN108313238A (en) * | 2017-01-16 | 2018-07-24 | 烟台中集来福士海洋工程有限公司 | Jack up sea tooling is for launching method and its sewerage |
| 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 |
| CN109853463A (en) * | 2019-01-21 | 2019-06-07 | 卢宗鸿 | A kind of ships and light boats berthing device and ships method of docking |
| CN111545874A (en) * | 2020-03-30 | 2020-08-18 | 广州文冲船舶修造有限公司 | Deformation control method in aluminum alloy hull section manufacturing |
| CN112062007A (en) * | 2020-07-07 | 2020-12-11 | 中国海洋石油集团有限公司 | Riser installation method based on small-sized workboat |
| CN112208724A (en) * | 2020-10-23 | 2021-01-12 | 中船黄埔文冲船舶有限公司 | Deformation-preventing hoisting method for ship open section |
| CN112645209A (en) * | 2020-12-28 | 2021-04-13 | 叶进银 | Synchronous overhead hoist of many steel pipes for construction |
| CN112645209B (en) * | 2020-12-28 | 2023-04-28 | 福建华航建设集团有限公司 | Synchronous overhead hoist of many steel pipes for construction |
| CN112938758A (en) * | 2021-01-27 | 2021-06-11 | 中建桥梁有限公司 | Steel beam rod piece overturning method |
| CN112875493A (en) * | 2021-01-28 | 2021-06-01 | 广州船舶及海洋工程设计研究院（中国船舶工业集团公司第六0五研究院） | Ship integral hoisting device and hoisting method |
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