CN102424101B - Technology for launching ship with airbags - Google Patents
Technology for launching ship with airbags Download PDFInfo
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- CN102424101B CN102424101B CN201110368392.3A CN201110368392A CN102424101B CN 102424101 B CN102424101 B CN 102424101B CN 201110368392 A CN201110368392 A CN 201110368392A CN 102424101 B CN102424101 B CN 102424101B
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Abstract
The invention discloses a technology for launching a ship with airbags. The technology comprises the following processes: 1, arranging the airbags; 2, inflating and inspecting the airbags: arranging pressure meters, inspecting a compressed air source, and inflating the airbags according to a sequence that airbags are sequentially, eudipleurally and synchronously inflated from the stern to the stem until the airbags are full of air; and 3, carrying out real-time monitoring on the air pressure in each airbag. The technology of the invention has the advantages of launching flow standardization and launching quality guarantee.
Description
Technical field
The present invention relates to a kind of technique of launching ship with airbags.
Background technology
At present, launching is an important node in ship building process, and mark building berth carries and hull main structure completes, and the fitting-out installations of project such as machine, pipe, electricity complete, and substantially possess debugging condition.In traditional Launching processing, air bag launching can only be served as supplementing of water under dock, arine railway, is used for realizing water under spitkit.And lower water process is subject to the impact of uncontrollable factor larger, often there will be that halfway in lower water process stops, balloon rupture, with the collision of building berth bulkhead wall or lower water after stroke cross the problems such as far away.
Summary of the invention
For the problems referred to above, the invention provides the technique of the launching ship with airbags of Water flow-path under a kind of specification, the lower water quality of guarantee.
In order to achieve the above object, the present invention has taked following technical scheme: a kind of technique of launching ship with airbags, and boats and ships are bulge carrier, comprise the following steps:
A, lay air bag:
(1), lay before air bag, to using air bag inflate one by one inspection, stop Lou or insecure air bag such as damage enters scene, newly the preferential cloth of air bag is placed on stem stern region;
(2), divide the each half of port and starboard to be laid to bow stern both direction by ship midship in qualified air bag according to ship type;
(3), lay before air bag, also need determine lay the position of air bag and do mark, lay by mark;
(4), adopt while laying air bag gantry crane, tower crane or wheel crane to coordinate handling, air bag crosses hull bottom midship line and adopts 1.5 tons of small winch tractions, air bag is placed and will be ensured straightly and longitudinally vertical with ship, inflation inlet will be convenient to manual operation and manometric checking;
The inflation of B, air bag and inspection:
(1), install one by one cut-and-dried compression indicator before airbag aeration, manometric pressure is 0-0.25MPa;
(2), check compressed air gas source, the valve of opening on gas bag collector checks bleed pressure and moisture situation by venting, puts residual until gaseous state is normal if there is water to open sufficient valve;
(3), by preprepared with joint 1/2 " sebific duct is connected air source of the gas with wanted air bag, inflate;
(4), airbag aeration order: from ship stern to stem successively symmetrical synchronously carrying out until air bag is full of gas entirely;
(5), air bag inflation pressure:
(a), stop inflation when pressure rises to 0.05MPa for the first time, check whether air bag and each pier position collide, the squareness that air bag and hull bottom are longitudinal, if pinpoint the problems adjustment immediately;
(b), pressure rises to 0.1MPa and stops inflation for the second time, checks that air bag pressurized situation and ship state change, and report immediately on scene commander if note abnormalities and process;
(c), pressure starts inflation from first air bag contacting with boat body plane of stern for the third time, progressively increases air pressure to bow air bag;
(d), first air bag contacting with hull of stern to the gasbag pressure of midships section rises to 0.15-0.18MPa;
(e), the gasbag pressure of midships section to 1 cargo hold antetheca rises to 0.15MPa;
(f) when, bow to the gasbag pressure of bow rises to 0.13MPa, whether boarding ship lifts, if ship is not lifted, regulate the pressure of air bag until ship is lifted, only have in the time that ship entirety is lifted, will spend rapidly pier complete removal, after flower pier has all been torn open, observe whole ship state, if apart from the long colored pier that stays 30m distance of Time Of Launching, treat formally to descend water to remove to ensure safety for first 2 hours;
(g), launching moves: boats and ships are by winch control, and when bow gasbag pressure rises to 0.18-0.20MPa, air bag rolls and makes accommodation move 5-10m, winch walk back, ship starts when mobile on ship workmen and cuts cable ship is free to slide into water.
Further improvement of the present invention is: when the dismounting of flower pier will make ship lift after airbag aeration completes, can carry out, flower pier is removed and is all taked manual operation, the method of the dilatory traction of Manila rope in adopting while tearing colored pier open, the coherent building berth Po Qiang both sides that are put into of timber wedge that remove from flower pier, receipts pier is made in order, and often tearing a colored pier open all will be smoothly by clean the cleaning of pier bit plane, and slag thing transports out of building berth, if find, overlap crator or acute angle ironware necessarily polish flat, anti-damage air bag;
The present invention compares with similar technology, and tool has the following advantages:
Specification of the present invention and the clear and definite flow process of launching ship with airbags operation, successfully ensured water the smooth safety from pusher tug to nearly 30 boats and ships of 76500DWT bulge carrier.And can realize and lowest water level round-the-clock lower water the highest in the Changjiang river, do not need to wait for the tide phase.Compare with slipway launching with dock, saved a large amount of capital construction expenses, promoted the competitive power that shipyard is managed.
Detailed description of the invention:
In order to deepen the understanding of the present invention, below in conjunction with embodiment and accompanying drawing, the invention will be further described, and this embodiment only, for explaining the present invention, does not form limiting the scope of the present invention.
A technique for launching ship with airbags, boats and ships are bulge carrier, comprise the following steps:
A, lay air bag:
(1), lay before air bag, building berth should clean out, building berth is without sharp object; Lay before air bag, to using air bag inflate one by one inspection, stop Lou or insecure air bag such as damage enters scene, newly the preferential cloth of air bag is placed on stem stern region;
(2), divide the each half of port and starboard to be laid to bow stern both direction by ship midship in qualified air bag according to ship type;
(3), lay before air bag, also need determine lay the position of air bag and do mark, lay by mark;
(4) while, laying air bag, adopt gantry crane, tower crane or wheel crane to coordinate handling, air bag crosses hull bottom midship line and adopts 1.5 tons of small winch tractions, air bag placement will ensure straight and longitudinally vertical with ship, inflation inlet will be convenient to manual operation and manometric checking, until by all air bags of scheme cloth foot;
Before airbag aeration, prepare traction system, by 80mm steel wire penetrating chain pipe, the bollard (112t) that hangs over stem deck is upper, and this steel rope is connected on movable pulley by 80t shackle, each one of left and right; 80mm steel rope is connected to fixed pulley and earth anchor, be connected by buckle winch and earth anchor, each one of left and right with 80mm steel rope; Pull-out winch cable, on assembly pulley (movable pulley and fixed pulley) at least around more than 3 groups, the each one group of winch in left and right; Before airbag aeration, the traction of stem traction system puts in place, and makes winch stressed, determines that the preparation of stem traction system puts in place, can start airbag aeration.
The inflation of B, air bag and inspection:
(1), install one by one cut-and-dried compression indicator before airbag aeration, manometric pressure is 0-0.25MPa;
(2), check compressed air gas source, the valve of opening on gas bag collector checks bleed pressure and moisture situation by venting, puts residual until gaseous state is normal if there is water to open sufficient valve;
(3), by preprepared with joint 1/2 " sebific duct is connected air source of the gas with wanted air bag, inflate;
(4), airbag aeration order: from ship stern to stem successively symmetrical synchronously carrying out until air bag is full of gas entirely;
(5), air bag inflation pressure:
(a), stop inflation when pressure rises to 0.05MPa for the first time, check whether air bag and each pier position collide, the squareness that air bag and hull bottom are longitudinal, if pinpoint the problems adjustment immediately;
(b), pressure rises to 0.1MPa and stops inflation for the second time, checks that air bag pressurized situation and ship state change, and report immediately on scene commander if note abnormalities and process;
(c), pressure starts inflation from first air bag contacting with boat body plane of stern for the third time, progressively increases air pressure to bow air bag;
(d), first air bag contacting with hull of stern to the gasbag pressure of midships section rises to 0.15-0.18MPa;
(e), the gasbag pressure of midships section to 1 cargo hold antetheca rises to 0.15MPa;
(f) when, bow to the gasbag pressure of bow rises to 0.13MPa, whether boarding ship lifts, if ship is not lifted, regulate the pressure of air bag until ship is lifted, only have in the time that ship entirety is lifted, will spend rapidly pier complete removal, after flower pier has all been torn open, observe whole ship state, if apart from the long colored pier that stays 30m distance of Time Of Launching, treat formally to descend water to remove to ensure safety for first 2 hours; When will making ship lift after airbag aeration completes, the dismounting of flower pier can carry out, flower pier is removed and is all taked manual operation, the method of the dilatory traction of Manila rope in adopting while tearing colored pier open, the coherent building berth Po Qiang both sides that are put into of timber wedge that remove from flower pier, receipts pier is made in order, and often tearing a colored pier open all will be smoothly by clean the cleaning of pier bit plane, and slag thing transports out of building berth, if find, overlap crator or acute angle ironware necessarily polish flat, anti-damage air bag;
(g), launching moves: boats and ships are by winch control, and when bow gasbag pressure rises to 0.18-0.20MPa, air bag rolls and makes accommodation move 5-10m, winch walk back, ship starts when mobile on ship workmen and cuts cable ship is free to slide into water.
While walking to gate after launching a ship, gate bottom uses steel boxboard by smooth groove place mat because waterproof measure construction need have together with the groove of gate bottom formed objects area, this plate claims rebound, No. 1 building berth has three rebounds, every rebound is 10000x1560x400mm, and rebound should place at sluice gate place in advance, and gate is completed after hanging and moving immediately, after gate hangs and moves, to place appropriately, must not affect to put and launch a ship.
When ship is by winch control, Qi Nang Roll is moving makes accommodation move gas cutting hawser on 5-10m (observing water level situation and determine) ship, ship is free to slide into water, after freely entering water, ship drifts about in water by inertia, after being used to the high point of impact peak value, on ship, cast anchor stop ship to, boats and ships cast anchor and bring ship the stop of into preprepared pier mooring with tugboat after ship are stable, band cable personnel have coordinated mooring task, after launching, immediately the air bag rolling in river is reclaimed: the air bag in water is debarked by Ren Gong Tui Roll by repair ship horizontal sliding to building berth, the air bag of building berth all moves in sluice gate, and warehouse-in is reclaimed in venting in order, as prescribed is deposited, hang out rebound, lifting gate recovers former primary state.
The applicable ship type of the present invention is single deck, tail type, single-blade, single rudder, 100,000 tons of following bulge carriers that advanced by diesel-engined drive screw propeller with weather tightness hatch cover.There is the first line style of ball nose; Be provided with forecastle, afterbody; Full ship is provided with 5 cargo holds, and cargo area is double bottom and the single shell structure with bottom side tank, top side tank, Bunker Fuel Oil.Full ship is established 9 road watertight transcerse bulkheads altogether, lays respectively at rib position 8,11,35,71,109,145,183, No. 217.Set gradually aft peak, cabin, 5 cargo holds, fresh water tank (left and right), the first Peak Tanks ballast tank of holding concurrently.
Specification of the present invention and the clear and definite flow process of launching ship with airbags operation, successfully ensured water the smooth safety from pusher tug to nearly 30 boats and ships of 76500DWT bulge carrier.And can realize and lowest water level round-the-clock lower water the highest in the Changjiang river, do not need to wait for the tide phase.Compare with slipway launching with dock, saved a large amount of capital construction expenses, promoted the competitive power that shipyard is managed.
Claims (2)
1. a technique for launching ship with airbags, described boats and ships are bulge carrier, it is characterized in that: comprise the following steps:
A, lay air bag:
(1), lay before air bag, to using air bag inflate one by one inspection, stop Lou or insecure air bag such as damage enters scene, newly the preferential cloth of air bag is placed on stem stern region;
(2), divide the each half of port and starboard to be laid to bow stern both direction by ship midship in qualified air bag according to ship type;
(3), lay before air bag, also need determine lay the position of air bag and do mark, lay by mark;
(4), adopt while laying air bag gantry crane, tower crane or wheel crane to coordinate handling, air bag crosses hull bottom midship line and adopts 1.5 tons of small winch tractions, air bag is placed and will be ensured straightly and longitudinally vertical with ship, inflation inlet will be convenient to manual operation and manometric checking;
The inflation of B, air bag and inspection:
(1), install one by one cut-and-dried compression indicator before airbag aeration, manometric pressure is 0-0.25MPa;
(2), check compressed air gas source, the valve of opening on gas bag collector checks bleed pressure and moisture situation by venting, puts residual until gaseous state is normal if there is water to open sufficient valve;
(3), by preprepared with joint 1/2 " sebific duct is connected air source of the gas with wanted air bag, inflate;
(4), airbag aeration order: from ship stern to stem successively symmetrical synchronously carrying out until air bag is full of gas entirely;
(5), air bag inflation pressure:
(a), stop inflation when pressure rises to 0.05MPa for the first time, check whether air bag and each pier position collide, the squareness that air bag and hull bottom are longitudinal, if pinpoint the problems adjustment immediately;
(b), pressure rises to 0.1MPa and stops inflation for the second time, checks that air bag pressurized situation and ship state change, and report immediately on scene commander if note abnormalities and process;
(c), pressure starts inflation from first air bag contacting with boat body plane of stern for the third time, progressively increases air pressure to bow air bag;
(d), first air bag contacting with hull of stern to the gasbag pressure of midships section rises to 0.15-0.18MPa;
(e), the gasbag pressure of midships section to 1 cargo hold antetheca rises to 0.15MPa;
(f) when, bow to the gasbag pressure of bow rises to 0.13MPa, whether boarding ship lifts, if ship is not lifted, regulate the pressure of air bag until ship is lifted, only have in the time that ship entirety is lifted, will spend rapidly pier complete removal, after flower pier has all been torn open, observe whole ship state, if apart from the long colored pier that stays 30m distance of Time Of Launching, treat formally to descend water to remove to ensure safety for first 2 hours;
(g), launching moves: boats and ships are by winch control, and when bow gasbag pressure rises to 0.18-0.20MPa, air bag rolls and makes accommodation move 5-10m, winch walk back, ship starts when mobile on ship workmen and cuts cable ship is free to slide into water.
2. the technique of launching ship with airbags according to claim 1, it is characterized in that: when the dismounting of flower pier will make ship lift after airbag aeration completes, can carry out, flower pier is removed and is all taked manual operation, the method of the dilatory traction of Manila rope in adopting while tearing colored pier open, the coherent building berth Po Qiang both sides that are put into of timber wedge that remove from flower pier, receipts pier is made in order, often tearing a colored pier open all will be smoothly by clean the cleaning of pier bit plane, slag thing transports out of building berth, if find, overlap crator or acute angle ironware necessarily polish flat, anti-damage air bag.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110368392.3A CN102424101B (en) | 2011-11-19 | 2011-11-19 | Technology for launching ship with airbags |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110368392.3A CN102424101B (en) | 2011-11-19 | 2011-11-19 | Technology for launching ship with airbags |
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| CN102424101A CN102424101A (en) | 2012-04-25 |
| CN102424101B true CN102424101B (en) | 2014-07-16 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102849180B (en) * | 2012-09-18 | 2014-12-31 | 渤海装备辽河重工有限公司 | Launching process of jack-up offshore drilling platform by airbag |
| CN103803036B (en) * | 2012-11-14 | 2016-06-01 | 中国石油化工股份有限公司 | Large ship utilizes the technique of water under air bag |
| CN103274017B (en) * | 2013-03-01 | 2016-06-01 | 广西科技大学 | Hull Attitute detecting device in water process under a kind of boats and ships air bag |
| CN111268045A (en) * | 2020-02-27 | 2020-06-12 | 广船国际有限公司 | Method for adjusting ship undocking floating state |
| CN114802641B (en) * | 2022-03-28 | 2023-05-02 | 宜昌一凡船舶设计有限公司 | Ship land leveling construction method |
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| JPH01197196A (en) * | 1988-02-02 | 1989-08-08 | Mitsubishi Heavy Ind Ltd | Launching way recovery method |
| CN101537875B (en) * | 2008-05-05 | 2012-07-04 | 中交一航局第二工程有限公司 | Process for shipping and launching wharfboat by floating same on vertical quay wall with assistance of airbag |
| KR100940795B1 (en) * | 2008-10-28 | 2010-02-04 | 곽대진 | Method for launching and transporting heavy weight structures using air bags |
| CN101857076A (en) * | 2010-04-27 | 2010-10-13 | 通州海通船舶修造有限公司 | Method for launching inland-river chemical carrier through airbag |
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Address after: 226000 No. 266 Century Avenue, Nantong High-tech Zone, Jiangsu Province Patentee after: Nantong Northeast Institute of oceanographic engineering Co., Ltd. Address before: 226000 Yongxing Road, Gangzha District, Nantong, Jiangsu Province, No. 14 Patentee before: Nanjing Best Shipping and Marine Engineering Design Co., Ltd. |