CN201193095Y - Launching arrangement of pontoon at vertical wall by means of floating gasbag - Google Patents
Launching arrangement of pontoon at vertical wall by means of floating gasbag Download PDFInfo
- Publication number
- CN201193095Y CN201193095Y CNU2008201114758U CN200820111475U CN201193095Y CN 201193095 Y CN201193095 Y CN 201193095Y CN U2008201114758 U CNU2008201114758 U CN U2008201114758U CN 200820111475 U CN200820111475 U CN 200820111475U CN 201193095 Y CN201193095 Y CN 201193095Y
- Authority
- CN
- China
- Prior art keywords
- air bag
- landing stage
- pontoon
- air cells
- ship
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
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Abstract
The utility model relates to a transportation and launching device on a vertical quay by adopting air cells for assisting floating by a pontoon. The utility model includes a towing device, a back-pull device and air cells; the towing device adopts a towing ship; a winch is arranged on the towing ship; the towing ship is connected with the pontoon by the winch; the back-pull device is arranged on a fixed supporting platform in the stern of the central line of the pontoon and is connected with the body of the pontoon by a rope; the air cells includes an overland air cell and a water air cell. The transportation and launching device on a vertical quay solves the difficulty of hard launching of the ships manufactured on a dry land, can carry out ground operation for manufacturing ships at the places near or far from a wharf; the construction period, the quality and the safety are easily ensured; besides, a crane with a small ton can be adopted; the air cells are adopted for launching; the sizes and the quantities of the air cells can be arranged according to the ton of the ship; the air cells can also be repeatedly used. Compared with the traditional ship manufacturing, the manufacture cost is low; no heavy cranes are used; besides, the transportation and launching device is safe and reliable as well as is simple and easy.
Description
Technical field
The utility model relates to a kind of shipping launching device, and specifically, what relate to that a kind of landing stage adopts air bag to help to float over upright bulkhead wall goes out to transport launching gear.
Background technology
In the shipbuilding industry, traditional shipbuilding generally adopts facilities such as dock, slideway or floating drydock to descend water, and not only holding time is long, also need be equipped with large-scale loop wheel machine etc., and manufacturing cost is very big, accounts for depressed place expense height; And because the restriction in dock space, operating efficiency is low.If closing on harbour or carrying out the Ground Operation shipbuilding, though there is the problem of shipwreck under the shipbuilding of nonirrigated farmland in the operating efficiency height away from the place of harbour.
The utility model content
The utility model provides a kind of large lifting equipment, safe and reliable that do not take at the problem of shipwreck under the shipbuilding of nonirrigated farmland, and what upright bulkhead wall was adopted air bag to help to float in simple and easy to do, that cost is low landing stage goes out to transport launching gear.
The technical solution of the utility model is: what upright bulkhead wall was adopted air bag to help to float in a kind of landing stage goes out to transport launching gear, comprise tractor equipment, post-tensioning equipment and air bag, described tractor equipment adopts tractor tug, and tractor tug is provided with winch, and tractor tug is connected with the landing stage by winch; Post-tensioning equipment is arranged on the fixed pedestal platform of landing stage line of centers stern, and is connected with hull by rope; Air bag comprises air bag in land air bag and the water;
Preferably, described post-tensioning equipment adopts windlass;
Preferably, described air bag is provided with charge valve, aie escape valve and air-pressure gauge.
The beneficial effects of the utility model are: the utility model has solved the problem of shipwreck under the shipbuilding of nonirrigated farmland, can close on harbour or carry out the Ground Operation shipbuilding away from the place of harbour, and duration, quality and safety are easy to guarantee, and can use little tonnage weight-lifting equipment.Adopt air bag to accept down water, the size and the quantity of corresponding air bag can be set according to tonneaux de jauge, air bag can also reuse, and invests very little; And adopt post-tensioning equipment, avoided making boats and ships go out bulkhead wall owing to the inertia that boats and ships advance.Compare with traditional shipbuilding, low cost of manufacture does not take large lifting equipment, and is safe and reliable, simple and easy to do.Be applicable to large ship, be particularly useful for good, the underslung flat launching of the rigidity of structure.
Description of drawings
Accompanying drawing 1 is the utility model specific embodiment structural representation;
Accompanying drawing 2 is that the utility model specific embodiment buttress and air bag are placed scheme drawing;
Accompanying drawing 3 to 6 is a water process scheme drawing under the utility model specific embodiment.
The specific embodiment
Specific embodiment of the utility model shown in Fig. 1 to 6: what upright bulkhead wall was adopted air bag to help to float in a kind of landing stage goes out to transport launching gear, comprise tractor equipment, post-tensioning equipment and air bag 3, described tractor equipment adopts tractor tug 1, tractor tug 1 is provided with winch, and tractor tug 1 is connected with landing stage 4 by winch; Post-tensioning equipment is arranged on the fixed pedestal platform of landing stage 4 line of centers sterns, and is connected with hull by rope; Air bag 3 comprises air bag in land air bag and the water.Described post-tensioning equipment adopts windlass 2, and described air bag 3 is provided with charge valve, aie escape valve and air-pressure gauge.
Air bag row accepts 90 meters launched principle of work of wholesale:
90 meters landing stage brief introductions: this ship shape body yardstick is for long 90 meters, and is wide 14 meters, 2.8 meters of moldeed depth, 0.4 meter of designed draft.Be square flat-bottom structure, the bow stern is oblique, in 9 road transcerse bulkheads are arranged, form 10 empty cabins.Deck, base plate, side plate are the thick deck of boat of 10mm, heavily about altogether 550 tons of hull and annex.
At first, with landing stage 4 jackings, dismounting moulding bed.
(1) 18 1.1 meters high steel buttresses 7 are located at 11,12,13,14,15,16,17,18,19 transcerse bulkhead port and starboards below respectively, tight with oblique timber wedge.15 transcerse bulkheads are removed moulding bed to bow stern direction symmetry respectively from ship.
(2) air bag with 9 diameter of phi 1500mm, long 12000mm places 11,12,13,14 steel buttress rears and 15,16,17,18,19 steel buttress the place aheads respectively, air bag is done pressure measurement work by pressure tester before use, make it can reach operation pressure, and guarantee air tight.
(3), evenly inflation slow to bow stern direction symmetry from 15 place's air bags, atmospheric pressure value is finally at 0.8kg/cm
2During the left and right sides, the landing stage is broken away from the steel buttress by air bag jack-up.
The jacking working strength calculates:
Jacking process carrying surface width:
B＝(D-H)×3.14/2
＝[(1.5-1.1)×3.14]/2
＝0.628m
Jacking process air bag total length:
L＝L
1×n
＝12×9
＝108m
The jacking working strength:
P＝G/B×L
＝550T/0.628×108
＝0.81kg/cm
2
In the formula, D is the air bag diameter, and H is a steel buttress height;
L
1Be air bag length, n is the air bag number, and G is a ship weight.
(4) withdraw from all steel buttresses of hull bottom.Air bag from the fore and aft ship direction slowly, evenly venting, to hull bottom apart from ground 500mm height till.
Land translation prepares to finish.
Secondly, landing stage level migration.
(1) be provided with 8 air vesicles 3 in harbour 5 bulkhead wall water, wherein 6 diameters are Φ 3300m, and 2 Φ 2500m inflate in advance air bag in right amount, and are floating naturally, are separately fixed at nylon rope on the ground ring 6 of harbour.
(2) start the tractor tug that is arranged in the longitudinal axis extended line water of landing stage, tractor tug is by the rope traction landing stage on the winch, and tractor tug is laid 4 anchors for piling 20 herein.Tractor tug is adjusted and is put rope speed according to commander, guarantees that the landing stage is controlled in the longitudinal axis certain limit, and tractor tug draws and a little is accurately positioned on the longitudinal axis extended line of landing stage.Slowly move to marine on tractor tug pulling landing stage.
Horizontal drag force is calculated:
According to tension indicator actual measurement in repeatedly constructing, tractive force is about between the air bag carrier 1%～1.5%, and in the cement flooring, considering to have enough tractive forces, and getting the K value when generally calculating is 3%, so F=G * K=550t * 3%=16.5t.
Start the post-tensioning equipment windlass that is arranged on the line of centers stern concrete platform of landing stage simultaneously, windlass is connected with the landing stage by steel rope, prevents the landing stage because inertia is gone out bulkhead wall, plays the post-tensioning protective effect.
Stop traction when (3) landing stage is moved to about 15 meters of its bow slipping from alongside bulkhead wall, and remove the Φ 1500mm air bag that directly rolls in the water rapidly.
Then, landing stage reach and following water.
(1) adjusts Φ 1500mm gasbag pressure value, make the landing stage that 1 ° of front rake be arranged, make 13,14,15,16,17,18,19 place's hull bottom to platform distance be respectively 500mm, 650mm, 800mm, 950mm, 1100mm, 1250mm and 1400mm.
(2) first and second air bag (1 Φ 3300mm, 1 Φ 2500mm) is fastened respectively fast on the welded eye plate at landing stage transcerse bulkhead 11,12 places, the air bag deflation valve is in more than the deck, landing stage, and inflation, air pressure 0.4kg/cm
2, lifting force is about 80 tons.
(3) adjust Φ 1500mm air bag spacing and direction, continue the traction landing stage, when harbour is taken leave of out in transcerse bulkhead punishment, will remain air vesicle respectively and fasten at landing stage transcerse bulkhead 13,14,16,17,18,19 places, be inflated to 0.4kg/cm with steel rope
2
(4) when the landing stage bow apart from harbour during apart from 40m, the landing stage is in the entry transformation point, when distance surpasses 45m, hull will have the inclination (water level 4.5m) of 1.33 ° of degree again to the water surface.Forwardly under the lifting force of 2 Φ 3300mm air bags and two Φ 2500 air bags, adjust land Φ 1500mm air bag height, harbour forefront air bag is 300mm overhead, and hull will restore balance stable.
(5) when bow during, 7 air bags in the water are all fastened on the landing stage, and be inflated to 0.4kg/cm apart from the about 80m of wharf wall
2, need two Φ 1500mm air bags on the bank and support.
(6) will be on the bank last Φ 1500mm air bag deflation to 100mm to reduce height, simultaneously 1,2,3, No. 4 air bag deflation, the buoyancy lower hull of 5,6,7, No. 8 air vesicles leans forward in water, and when ship stern perk disengaging was supported on the bank and the 100mm height is arranged, the landing stage can be drawn.
Continue traction, the landing stage all moves in the water.
At last, under the integral body of landing stage behind the water, will accept air bag evenly venting fallen to normal price in the water in the landing stage.Remove post-tensioning equipment windlass, remove the balloon ends stationary rope, the landing stage of tractor tug traction simultaneously moves ahead, and makes air bag skid off the water surface successively, reclaims air bag.Then, the landing stage is rested in the desired location heaving pile.
Claims (3)
1. what upright bulkhead wall was adopted air bag to help to float in a landing stage goes out to transport launching gear, comprises tractor equipment, post-tensioning equipment and air bag, and it is characterized in that: described tractor equipment adopts tractor tug, and tractor tug is provided with winch, and tractor tug is connected with the landing stage by winch; Post-tensioning equipment is arranged on the fixed pedestal platform of landing stage line of centers stern, and is connected with hull by rope; Air bag comprises air bag in land air bag and the water.
2. what upright bulkhead wall was adopted air bag to help to float in landing stage as claimed in claim 1 goes out to transport launching gear, and it is characterized in that: described post-tensioning equipment adopts windlass.
3. what upright bulkhead wall was adopted air bag to help to float in landing stage as claimed in claim 1 goes out to transport launching gear, and it is characterized in that: described air bag is provided with charge valve, aie escape valve and air-pressure gauge.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201114758U CN201193095Y (en) | 2008-04-22 | 2008-04-22 | Launching arrangement of pontoon at vertical wall by means of floating gasbag |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201114758U CN201193095Y (en) | 2008-04-22 | 2008-04-22 | Launching arrangement of pontoon at vertical wall by means of floating gasbag |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201193095Y true CN201193095Y (en) | 2009-02-11 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008201114758U Expired - Lifetime CN201193095Y (en) | 2008-04-22 | 2008-04-22 | Launching arrangement of pontoon at vertical wall by means of floating gasbag |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201193095Y (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN102991651A (en) * | 2012-12-22 | 2013-03-27 | 厦门船舶重工股份有限公司 | Structure of gravity launching buoyancy tank of roll-on roll-off ship |
| 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 |
| CN104908895A (en) * | 2015-05-19 | 2015-09-16 | 浙江海洋学院 | Ocean platform rapid transporting device |
| CN105586863A (en) * | 2014-11-11 | 2016-05-18 | 江苏海王星海洋油气装备有限公司 | Bottom hull type mobile platform and launching technology of bottom hull type mobile platform |
| TWI619642B (en) * | 2015-04-07 | 2018-04-01 | 史蒂芬 卡佛 法奇 | Method and apparatus for moving a ship over land |
| CN112644655A (en) * | 2020-11-26 | 2021-04-13 | 海洋石油工程股份有限公司 | Method for abandoning jacket dragging ashore |
-
2008
- 2008-04-22 CN CNU2008201114758U patent/CN201193095Y/en not_active Expired - Lifetime
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| 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 |
| CN102991651A (en) * | 2012-12-22 | 2013-03-27 | 厦门船舶重工股份有限公司 | Structure of gravity launching buoyancy tank of roll-on roll-off ship |
| CN105586863A (en) * | 2014-11-11 | 2016-05-18 | 江苏海王星海洋油气装备有限公司 | Bottom hull type mobile platform and launching technology of bottom hull type mobile platform |
| TWI619642B (en) * | 2015-04-07 | 2018-04-01 | 史蒂芬 卡佛 法奇 | Method and apparatus for moving a ship over land |
| CN104908895A (en) * | 2015-05-19 | 2015-09-16 | 浙江海洋学院 | Ocean platform rapid transporting device |
| CN112644655A (en) * | 2020-11-26 | 2021-04-13 | 海洋石油工程股份有限公司 | Method for abandoning jacket dragging ashore |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20090211 |
|
| CX01 | Expiry of patent term |