CN102424101A - Technology for launching ship with airbags - Google Patents
Technology for launching ship with airbags Download PDFInfo
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- CN102424101A CN102424101A CN2011103683923A CN201110368392A CN102424101A CN 102424101 A CN102424101 A CN 102424101A CN 2011103683923 A CN2011103683923 A CN 2011103683923A CN 201110368392 A CN201110368392 A CN 201110368392A CN 102424101 A CN102424101 A CN 102424101A
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- air bag
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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 the technology that a kind of boats and ships utilize air bag launching.
Background technology
At present, launching is an important node in the ship building process, and the sign building berth carries and the hull main structure is accomplished, and fitting-out installations of project such as machine, pipe, electricity are accomplished, and possess the debugging condition basically.Under tradition in the water conservancy project skill, air bag launching can only be used for realizing water under the spitkit as the replenishing of water under dock, the arine railway.And down the water process receives the influence of uncontrollable factor bigger, through regular meeting occur down that halfway stops in the water process, balloon rupture, with the collision of building berth bulkhead wall or down behind the water stroke cross problems such as far away.
Summary of the invention
To the problems referred to above, the boats and ships that the invention provides quality under current journey under a kind of standard, the assurance utilize the technology of air bag launching.
In order to achieve the above object, the present invention has taked following technical scheme: a kind of boats and ships utilize the technology of air bag launching, may further comprise the steps:
A, lay air bag:
(1), lay air bag before, to using the air bag inspection that puts on the air one by one, stop or insecure air bag such as damage gets into on-the-spotly with Louing, it is regional that newly the preferential cloth of air bag is placed on the stem stern;
(2), according to the ship type with up-to-standard air bag divide port and starboard each half the lay to bow stern both direction by the ship midship;
(3), lay air bag before, also need confirm to lay the position of air bag and do sign, lay by sign;
(4), adopt gantry crane, tower crane or wheel crane to cooperate handling when laying air bag, air bag crosses hull bottom midship line and adopts 1.5 tons of small winch tractions, air bag is placed and will be guaranteed straight and vertically vertical with ship, inflation inlet will be convenient to manual operation and manometric checking;
The inflation of B, air bag and inspection:
(1), install cut-and-dried compression indicator one by one before the airbag aeration, manometric pressure is 0-0.25MPa;
(2), the inspection compressed air gas source, the valve of opening on the gas bag collector is checked bleed pressure and moisture situation through venting, puts residual normal until gaseous state if there is water then to open sufficient valve;
(3), through preprepared have joint 1/2 " sebific duct is connected the air source of the gas with want air bag, put on the air;
(4), airbag aeration order: carry out synchronously being full of gas entirely to stem left-right symmetric successively until air bag from the ship stern;
(5), air bag inflation pressure:
(a), stop inflation when for the first time pressure rises to 0.05MPa, whether the inspection air bag collides with each pier position, air bag and hull bottom be squareness longitudinally, adjusts immediately as if pinpointing the problems;
(b), for the second time pressure rises to 0.1MPa and stops inflation, inspection air bag pressurized situation changes with the ship attitude, reports the processing of on scene commander ground immediately if note abnormalities;
(c), pressure begins inflation from first air bag that contacts with boat body plane of stern for the third time, progressively increases air pressure to the bow air bag;
(d), first air bag that contacts with hull to midships section of stern is center line of boat gasbag pressure rises to 0.15-0.18MPa;
(e), midships section is that the gasbag pressure of center line of boat to 1 cargo hold antetheca rises to 0.15MPa;
When (f), the gasbag pressure of bow to bow rises to 0.13MPa; Whether boarding ship lifts; If ship is not lifted; The pressure of regulating air bag has only when ship integral body is lifted until ship is lifted, and will spend the pier complete removal rapidly; After treating that the flower pier has all been torn open; Observe whole ship attitude,, treat formally to descend water to remove in preceding 2 hours to ensure safety if apart from the long colored pier that then stays the 30m distance of Time Of Launching; When will treating after airbag aeration is accomplished ship to be lifted, the dismounting of flower pier can carry out; The flower pier is removed and is all taked manually-operated; The method of the dilatory traction of manila rope in adopting when tearing colored pier open; From the coherent building berth Po Qiang both sides that are put into of timber wedge that the flower pier is removed; The receipts pier is made in order, and it is all clean with the cleaning of pier bit plane smoothly whenever to tear a colored pier open, and the slag thing transports out of building berth; Necessarily polish flat if find overlap crator or acute angle ironware, prevent to injure air bag;
(g), launching moves: boats and ships are controlled by winch, and when the bow gasbag pressure rose to 0.18-0.20MPa, air bag rolled and makes the accommodation move 5-10m, when winch walk back, ship begin to move on the ship workmen cut cable and make ship be free to slide entry.
The present invention and similar compared with techniques have following advantage:
Standard of the present invention and clear and definite boats and ships utilize the flow process of air bag launching operation, have successfully guaranteed water under the smooth safety from pusher tug to nearly 30 boats and ships of 76500DWT bulge carrier.And can be implemented in the highest and round-the-clock water down of lowest water level in the Changjiang river, need not wait for the tide phase.With water ratio under dock and the building berth, saved a large amount of capital construction expenses, promoted the competitive power that shipyard is managed.
The specific embodiment:
In order to deepen to understanding of the present invention, will combine embodiment that the present invention is made further detailed description below, this embodiment only is used to explain the present invention, does not constitute the qualification to protection domain of the present invention.
A kind of boats and ships utilize the technology of air bag launching, may further comprise the steps:
A, lay air bag:
(1), lay air bag before, building berth should clean out, building berth does not have sharp object; Before laying air bag, to using the air bag inspection that puts on the air one by one, stop or insecure air bag such as damage gets into on-the-spotly, it is regional that newly the preferential cloth of air bag is placed on the stem stern with Louing;
(2), according to the ship type with up-to-standard air bag divide port and starboard each half the lay to bow stern both direction by the ship midship;
(3), lay air bag before, also need confirm to lay the position of air bag and do sign, lay by sign;
Adopt gantry crane, tower crane or wheel crane to cooperate handling when (4), laying air bag; Air bag crosses hull bottom midship line and adopts 1.5 tons of small winch tractions; The air bag placement will guarantee straight and be vertically vertical with ship; Inflation inlet will be convenient to manual operation and manometric checking, until pressing all air bags of scheme cloth foot;
Before the airbag aeration, prepare traction system, with the steel wire penetrating chain pipe, hang on the bollard (112t) on stem deck, this steel rope is connected on the movable pulley through the 80t shackle, about each one; Steel rope is connected fixed pulley and earth anchor, with steel rope through unloading buckle winch and earth anchor, about each one; Pull out winch cable, on assembly pulley (movable pulley and fixed pulley) at least around more than 3 groups, about each one group of winch; The traction of stem traction system puts in place before the airbag aeration, and makes winch stressed, confirms that the preparation of stem traction system puts in place, can begin airbag aeration.
The inflation of B, air bag and inspection:
(1), install cut-and-dried compression indicator one by one before the airbag aeration, manometric pressure is 0-0.25MPa;
(2), the inspection compressed air gas source, the valve of opening on the gas bag collector is checked bleed pressure and moisture situation through venting, puts residual normal until gaseous state if there is water then to open sufficient valve;
(3), through preprepared have joint 1/2 " sebific duct is connected the air source of the gas with want air bag, put on the air;
(4), airbag aeration order: carry out synchronously being full of gas entirely to stem left-right symmetric successively until air bag from the ship stern;
(5), air bag inflation pressure:
(a), stop inflation when for the first time pressure rises to 0.05MPa, whether the inspection air bag collides with each pier position, air bag and hull bottom be squareness longitudinally, adjusts immediately as if pinpointing the problems;
(b), for the second time pressure rises to 0.1MPa and stops inflation, inspection air bag pressurized situation changes with the ship attitude, reports the processing of on scene commander ground immediately if note abnormalities;
(c), pressure begins inflation from first air bag that contacts with boat body plane of stern for the third time, progressively increases air pressure to the bow air bag;
(d), first air bag that contacts with hull to midships section of stern is center line of boat gasbag pressure rises to 0.15-0.18MPa;
(e), midships section is that the gasbag pressure of center line of boat to 1 cargo hold antetheca rises to 0.15MPa;
When (f), the gasbag pressure of bow to bow rises to 0.13MPa; Whether boarding ship lifts; If ship is not lifted; The pressure of regulating air bag has only when ship integral body is lifted until ship is lifted, and will spend the pier complete removal rapidly; After treating that the flower pier has all been torn open; Observe whole ship attitude,, treat formally to descend water to remove in preceding 2 hours to ensure safety if apart from the long colored pier that then stays the 30m distance of Time Of Launching; When will treating after airbag aeration is accomplished ship to be lifted, the dismounting of flower pier can carry out; The flower pier is removed and is all taked manually-operated; The method of the dilatory traction of manila rope in adopting when tearing colored pier open; From the coherent building berth Po Qiang both sides that are put into of timber wedge that the flower pier is removed; The receipts pier is made in order, and it is all clean with the cleaning of pier bit plane smoothly whenever to tear a colored pier open, and the slag thing transports out of building berth; Necessarily polish flat if find overlap crator or acute angle ironware, prevent to injure air bag;
(g), launching moves: boats and ships are controlled by winch, and when the bow gasbag pressure rose to 0.18-0.20MPa, air bag rolled and makes the accommodation move 5-10m, when winch walk back, ship begin to move on the ship workmen cut cable and make ship be free to slide entry.
When walking to gate after launching a ship, the gate bottom is smooth with the groove place mat with the steel boxboard with the groove of the identical big small size in gate bottom together because of the waterproof measure construction need have, and this plate is claimed rebound; No. 1 building berth has three rebounds; Every rebound is 10000x1560x400mm, and rebound should place at the sluice gate place in advance, and gate is completed it after hanging and moving immediately; To place appropriately after gate hangs and moves, must not influence to put and launch a ship.
When the ship by a winch control, airbags rolling the boat displacement of 5-10m (depending on water level in the case may be) on board cutting cables, make the boat slide freely into the water when the ship freely into the water by inertia in the water drift, to be used to impact the peak high point boat anchored boat to stop, the ship anchored boat until the boat is stable with a tugboat into the prepared mooring dock with mooring cable personnel with the completion of the task, the ship into the water, immediately after the river rolled airbag recovery: the airbag in the water level by a work boat slipway by manual push push to roll ashore, airbag berth gates are moved within and orderly deflated recycling storage, according to the provisions store, hanging out the transition board, lifting gates to restore the original state.
The ship type that the present invention is fit to is the bulge carrier below 100,000 tons by the propelling of diesel-engined drive screw propeller of single deck, tail type, single-blade, single rudder, band weather tightness hatch cover.Has the first line style of ball nose; Be provided with forecastle, afterbody; Full ship is provided with 5 cargo holds, and cargo area is the single shell structure of double bottom and band bottom side tank, top side tank, Bunker Fuel Oil.Full ship is established 9 road watertight transcerse bulkheads altogether, lays respectively at the 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.
Standard of the present invention and clear and definite boats and ships utilize the flow process of air bag launching operation, have successfully guaranteed water under the smooth safety from pusher tug to nearly 30 boats and ships of 76500DWT bulge carrier.And can be implemented in the highest and round-the-clock water down of lowest water level in the Changjiang river, need not wait for the tide phase.With water ratio under dock and the building berth, saved a large amount of capital construction expenses, promoted the competitive power that shipyard is managed.
Claims (2)
1. boats and ships utilize the technology of air bag launching, it is characterized in that: may further comprise the steps:
A, lay air bag:
(1), lay air bag before, to using the air bag inspection that puts on the air one by one, stop or insecure air bag such as damage gets into on-the-spotly with Louing, it is regional that newly the preferential cloth of air bag is placed on the stem stern;
(2), according to the ship type with up-to-standard air bag divide port and starboard each half the lay to bow stern both direction by the ship midship;
(3), lay air bag before, also need confirm to lay the position of air bag and do sign, lay by sign;
(4), adopt gantry crane, tower crane or wheel crane to cooperate handling when laying air bag, air bag crosses hull bottom midship line and adopts 1.5 tons of small winch tractions, air bag is placed and will be guaranteed straight and vertically vertical with ship, inflation inlet will be convenient to manual operation and manometric checking;
The inflation of B, air bag and inspection:
(1), install cut-and-dried compression indicator one by one before the airbag aeration, manometric pressure is 0-0.25MPa;
(2), the inspection compressed air gas source, the valve of opening on the gas bag collector is checked bleed pressure and moisture situation through venting, puts residual normal until gaseous state if there is water then to open sufficient valve;
(3), through preprepared have joint 1/2 " sebific duct is connected the air source of the gas with want air bag, put on the air;
(4), airbag aeration order: carry out synchronously being full of gas entirely to stem left-right symmetric successively until air bag from the ship stern;
(5), air bag inflation pressure:
(a), stop inflation when for the first time pressure rises to 0.05MPa, whether the inspection air bag collides with each pier position, air bag and hull bottom be squareness longitudinally, adjusts immediately as if pinpointing the problems;
(b), for the second time pressure rises to 0.1MPa and stops inflation, inspection air bag pressurized situation changes with the ship attitude, reports the processing of on scene commander ground immediately if note abnormalities;
(c), pressure begins inflation from first air bag that contacts with boat body plane of stern for the third time, progressively increases air pressure to the bow air bag;
(d), first air bag that contacts with hull to midships section of stern is center line of boat gasbag pressure rises to 0.15-0.18MPa;
(e), midships section is that the gasbag pressure of center line of boat to 1 cargo hold antetheca rises to 0.15MPa;
When (f), the gasbag pressure of bow to bow rises to 0.13MPa; Whether boarding ship lifts; If ship is not lifted; The pressure of regulating air bag has only when ship integral body is lifted until ship is lifted, and will spend the pier complete removal rapidly; After treating that the flower pier has all been torn open; Observe whole ship attitude,, treat formally to descend water to remove in preceding 2 hours to ensure safety if apart from the long colored pier that then stays the 30m distance of Time Of Launching;
(g), launching moves: boats and ships are controlled by winch, and when the bow gasbag pressure rose to 0.18-0.20MPa, air bag rolled and makes the accommodation move 5-10m, when winch walk back, ship begin to move on the ship workmen cut cable and make ship be free to slide entry.
2. utilize the technology of air bag launching according to the said boats and ships of claim 1; It is characterized in that: can carry out when the dismounting of flower pier will be treated after airbag aeration is accomplished ship to be lifted, the flower pier is removed and is all taked manual operation, the method for the dilatory traction of Manila rope in adopting when tearing colored pier open; From the coherent building berth Po Qiang both sides that are put into of timber wedge that the flower pier is removed; The receipts pier is made in order, and it is all clean with the cleaning of pier bit plane smoothly whenever to tear a colored pier open, and the slag thing transports out of building berth; Necessarily polish flat if find overlap crator or acute angle ironware, prevent to injure 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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| Publication Number | Publication Date |
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| CN102424101A true CN102424101A (en) | 2012-04-25 |
| CN102424101B CN102424101B (en) | 2014-07-16 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201110368392.3A Active CN102424101B (en) | 2011-11-19 | 2011-11-19 | Technology for launching ship with airbags |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102849180A (en) * | 2012-09-18 | 2013-01-02 | 渤海装备辽河重工有限公司 | Launching process of jack-up offshore drilling platform by airbag |
| CN103274017A (en) * | 2013-03-01 | 2013-09-04 | 柳州市欧博科技有限公司 | Device and method for detecting ship attitude in launching process of ship air bag |
| CN103803036A (en) * | 2012-11-14 | 2014-05-21 | 中国石油化工股份有限公司 | Technology for launching large shipping vessel through 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 |
| CN114802641A (en) * | 2022-03-28 | 2022-07-29 | 宜昌一凡船舶设计有限公司 | Method for building ship on flat ground |
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| JPH01197196A (en) * | 1988-02-02 | 1989-08-08 | Mitsubishi Heavy Ind Ltd | Launching way recovery method |
| CN101537875A (en) * | 2008-05-05 | 2009-09-23 | 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 |
-
2011
- 2011-11-19 CN CN201110368392.3A patent/CN102424101B/en active Active
Patent Citations (4)
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|---|---|---|---|---|
| JPH01197196A (en) * | 1988-02-02 | 1989-08-08 | Mitsubishi Heavy Ind Ltd | Launching way recovery method |
| CN101537875A (en) * | 2008-05-05 | 2009-09-23 | 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 |
Non-Patent Citations (3)
| Title |
|---|
| 中华人民共和国工业和信息化部: "CB/T 3837-2011 船舶用气囊上排、下水工艺要求", 《中华人民共和国船舶行业标准》 * |
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| 戴凤波等: "浅谈气囊下水造船技术的研究与应用", 《第十届全国内河船舶与航运技术学术会议论文集》 * |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102849180A (en) * | 2012-09-18 | 2013-01-02 | 渤海装备辽河重工有限公司 | Launching process of jack-up offshore drilling platform by airbag |
| 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 |
| CN103803036A (en) * | 2012-11-14 | 2014-05-21 | 中国石油化工股份有限公司 | Technology for launching large shipping vessel through air bag |
| 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 |
| CN103274017A (en) * | 2013-03-01 | 2013-09-04 | 柳州市欧博科技有限公司 | Device and method for detecting ship attitude in launching process of ship 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 |
| CN114802641A (en) * | 2022-03-28 | 2022-07-29 | 宜昌一凡船舶设计有限公司 | Method for building ship on flat ground |
| 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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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. |