CN1027712C - Light float and application in underwater engineering - Google Patents
Light float and application in underwater engineering Download PDFInfo
- Publication number
- CN1027712C CN1027712C CN 93102440 CN93102440A CN1027712C CN 1027712 C CN1027712 C CN 1027712C CN 93102440 CN93102440 CN 93102440 CN 93102440 A CN93102440 A CN 93102440A CN 1027712 C CN1027712 C CN 1027712C
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- float
- buoyancy aid
- floats
- pipes
- hook
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Abstract
The present invention relates to a light float and the application in underwater engineering. Each float is composed of a floating body which is made from light material, a casing mesh bag or a floating body the middle of which is provided with a through hole, and a hook which is arranged on the upper part of the floating body and connected with a bearing cover. The floats can be evenly distributed and fixedly laid on pipes on land or water surface in advance according to design requirements, namely that the floats are evenly tied on ears of the pipes or wire cables of two sides of the pipes or hooked in the ears of the pipes for fixing by the hooks. A rafting sinking method commonly used by underwater pipe laying engineering or a bottom application operation method can be used, and the underwater construction of the pipes can be carried out. The artificial disassembly of the floats in construction or after the construction is finished can be determined according to requirements. The recovery can be carried out after the floats float the water surface. The floats have the advantages of light weight, easy manufacture and transportation and low cost.
Description
The present invention relates to a kind of main use is being to be contained on the pipeline with the light float that increases pipeline buoyancy and application in engineering under water under water in the tubine engineering at the bottom of seabed or the river.(hereinafter to be referred as float)
Now under water in the tubine engineering the conventional method of using all be unable to do without underwater line carried out the weight adjusting, make pipeline be little positive buoyancy or negative buoyancy state under water.The steel pipe that caliber more than several one hundred millimeters is poured water and, every meter weight is all more than several one hundred kilograms, and not excessive for guaranteeing tractive force, construction stress is no more than allowed band.Need to regulate steel pipe weight in the general underwater construction, make its every meter weight only be tens kilograms.Tie up on the pipeline when construction so need considerable auxiliary float, use adjusting and alleviate the weight of pipeline in water, remove the back of waiting to construct.
Now the float used is many in the construction is welded into cylindrical shell or casing by steel plate, and its volume is big, Heavy Weight, making, carrying, loading and unloading are all pretty troublesome, and easily get rusty, safeguard, to maintain labor intensity big, and very big bounce power is arranged during dismounting, very dangerous.
The object of the present invention is to provide a kind of light float and application in engineering under water, its light float is in light weight, volume is little, making is easy, easy to loading and unloading, safely, be applied in and be convenient to operate, transport, reduce labor intensity, reduce engineering cost in the Underwater Engineering.
The present invention be achieved in that buoyancy aid overcoat mesh bag that light float is made by lightweight material constitutes or make by lightweight material in the middle of the buoyancy aid of through hole is arranged, the hook formation that is connected with the load lid is arranged on it.According to designing requirement can be earlier by land or the water surface be fixed on the channelling float is uniform, be about to that float is uniform to fasten on the wirerope of the hanger of pipeline or pipeline both sides or with linking up with the hanger internal fixation of fastener on pipeline, pipeline just can carry out underwater construction.Use tubine engineering under water transportation by driving sinking method or bottom trawling method commonly used, determine as required in construction or after the construction with float by artificial dismounting, emerge, reclaim again, for using again next time.
Fig. 1. structural representation of the present invention.
Fig. 2. second structural representation of the present invention.
Fig. 3. the 3rd structural representation of the present invention.
Fig. 4. the part enlarged view of Fig. 3.
Fig. 5. user mode figure of the present invention.
Below in conjunction with accompanying drawing embodiments of the invention are further described:
The foamed plastics proportion that generally is used to pack use is 0.022 gram per centimeter
3Below, now adopting proportion is 0.025 gram per centimeter
3More than and the low foamed plastics of water absorption rate is made various difform buoyancy aids (1), (5), (10).
Mesh bag (2), (2) ' be woven into by fine human relations, continuous human relations, nylon wire.Pipeline can be steel pipe (4) or cement pipe etc.
Buoyancy aid (1) is a solid body, and overcoat mesh bag (2) also draw in to constitute float (16) with sack.
Screw rod (15) one ends are screw thread, and to be semi-circular crotch flexibly connect whole annulus with semi-circular movable hook (14) with pin (13) to an end, fixing spherical pad (12) again on it, and constitute with nut (7) locking and to link up with (11).
Buoyancy aid with holes is the middle buoyancy aid (10) that through hole is arranged, be embedded with the solid sphere of nylon sheath wire (9) in the through hole, the arc load that steel plate is made covers (8) and penetrates hook (11) in sheath (9), and linking into an integrated entity with nut (7) constitutes float (18).
Buoyancy aid (5) is the tile that is complementary with pipe shape, overcoat mesh bag (2) ' and with two ends sack gathering formation float (17).
During use, according to designing requirement, diameter of steel tube, length determine size and the quantity and the means of fixation of required float.
1. can be earlier by land or the water surface with in the uniform hanger (3) that fastens on laying steel pipe (4) of float (16) or be fixed on the wirerope (6) that lays steel pipe (4) both sides.
2. uniform the fastening of float (17) is fixed on the wirerope (6) that lays steel pipe (4) both sides, and is close to the top of steel pipe (4).
3. float (18) is with the movable hook (14) on its hook (11), in the hanger (3) of the uniform fastener of screw rod (15) on laying steel pipe (4).
Diameter is 820 millimeters of φ as shown in Figure 5, and pipe range is 1110 meters, and the full weight amount is more than 260 ton a steel pipe (4), fastens 1000 floats (16) its uniform fastening is fixed on the wirerope (6) that lays steel pipe (4) both sides.
Steel pipe (4) just can carry out underwater construction.As use bottom trawling, above-mentioned float (16) all to send by land to fasten on steel pipe (4), in sending the road, pour water then, by the opposite bank winch with steel pipe (4) by sending the road to traction under water, and waterbornely rise and propose steel pipe head guiding traction by hanging ship.Treat that the whole tractions of pipeline finish, the colligation rope cut off that float promptly emerges, and is reclaimed one by one by surface boat, for using next time again promptly by water inspection under the diver, and with scraper.If with float (18), the diver will mention packing ring (12), movable hook (14) with the wrench nut (7) of outwarding winding.Just rotate downwards and throw off, deviate from the hanger (3) from the steel pipe (4), then whole float just emerges.All the other and transportation by driving sinking method are same as the prior art just not to have been described in detail.
The present invention is specially adapted to lay the waters pipeline engineering such as river, to whole pipeline be drawn by land transmission road the construction technology in river, just like the impayable advantage that then can not accomplish with other buoyancy aid (not only other float do not have on land buoyancy, increase on the contrary too heavy weight).
The present invention is compared with prior art: because of general job site, surface condition is very poor, transportation difficulty all. And that this light float can be mass, makes is simple, easy to use, in light weight, be convenient to transportation, manually all can transmit. Again much bigger than steel float because of its net buoyancy, the required float quantity of same engineering can be lacked relatively, saves cost, and makes tubine stressed evenly, is suitable for the land operation, reduces labor intensity. Convenient, the safety of underwater demolition after the construction, do not need any auxiliary equipment, need not maintain, can repeatedly use.
Claims (7)
1, a kind of light float is made up of fixing device, buoyancy aid, it is characterized in that the buoyancy aid by the lightweight material making, and buoyancy aid overcoat mesh bag constitutes float.
2, float according to claim 1 is characterized in that lightweight material is that water absorption rate is low, proportion is 0.025 gram per centimeter
3Above foamed plastics, mesh bag (2), (2) ' be woven into by fine human relations, continuous human relations, nylon wire etc.
3, float according to claim 1 is characterized in that buoyancy aid (1) is a solid body, and overcoat mesh bag (2) also draw in to constitute float (16) with sack.
4, float according to claim 1 is characterized in that buoyancy aid (5) is the tile that is complementary with pipe shape, overcoat mesh bag (2) ' and with two ends sack gathering formation float (17).
5, a kind of light float is made up of fixing device, buoyancy aid, it is characterized in that the buoyancy aid by the lightweight material making, and buoyancy aid with holes has the hook (11) that is connected with load lid (8) to constitute float on it.
6, float according to claim 5, it is characterized in that screw rod (15) one ends are screw thread, to be semi-circular crotch flexibly connect whole annulus with semi-circular movable hook (14) with pin (13) to one end, fixing spherical pad (12) and constitute hook (11) with nut (7) locking again on it.
7, float according to claim 5, it is characterized in that buoyancy aid with holes is the middle buoyancy aid (10) that through hole is arranged, be embedded with the solid sphere of nylon sheath wire (9) in the through hole, the arc load lid (8) that steel plate is made with penetrate hook (11) in sheath (9) with nut (7) the formation float (18) that links into an integrated entity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 93102440 CN1027712C (en) | 1993-03-05 | 1993-03-05 | Light float and application in underwater engineering |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 93102440 CN1027712C (en) | 1993-03-05 | 1993-03-05 | Light float and application in underwater engineering |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1079279A CN1079279A (en) | 1993-12-08 |
| CN1027712C true CN1027712C (en) | 1995-02-22 |
Family
ID=4984104
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 93102440 Expired - Fee Related CN1027712C (en) | 1993-03-05 | 1993-03-05 | Light float and application in underwater engineering |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1027712C (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI549864B (en) * | 2010-08-16 | 2016-09-21 | 克托智慧財產企業有限公司 | Wave energy conversion |
| CN103924618B (en) * | 2013-01-10 | 2016-02-03 | 中交一航局第二工程有限公司 | Automatically disengage system under water |
| CN103322335A (en) * | 2013-05-30 | 2013-09-25 | 宁波金美亚集团池州钢管制造有限公司 | Large steel tube |
| CN103899842B (en) * | 2014-04-23 | 2017-01-11 | 中国海洋石油总公司 | Method for installing deepwater online tee joint |
| CN105952967B (en) * | 2016-06-01 | 2018-09-14 | 天津市城安热电有限公司 | A kind of immersed tube operational method using floating ball sinking pipeline |
-
1993
- 1993-03-05 CN CN 93102440 patent/CN1027712C/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| CN1079279A (en) | 1993-12-08 |
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| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |