CN102133692A - Floating butt-welding device for submarine pipeline - Google Patents
Floating butt-welding device for submarine pipeline Download PDFInfo
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- CN102133692A CN102133692A CN2010100010537A CN201010001053A CN102133692A CN 102133692 A CN102133692 A CN 102133692A CN 2010100010537 A CN2010100010537 A CN 2010100010537A CN 201010001053 A CN201010001053 A CN 201010001053A CN 102133692 A CN102133692 A CN 102133692A
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Abstract
The invention discloses a floating butt-welding device for a submarine pipeline, which is laid on the water for connecting pipelines. An upper half body (1) of the device is a rectangular frame which is formed by welding four oblong flat steel plates, and a lower half body (2) of the device is a cabin body which is formed by welding four oblong flat steel plates and a cylindrical surface steel plate; the cabin body is provided with an upper rectangular opening and a lower cambered bottom and has an elliptical section; two semicircular holes are formed at butt joints of flat plates at the two ends of the upper half body (1) and the lower half body (2) respectively; a pipe clamping rack (4) is respectively welded in the two semicircular holes; the inner surfaces of the upper and lower pipe clamping racks (4) are provided with a semicircular cambered sealing member respectively; the middle lower part of a cavity of the lower half body (2) is provided with a horizontal steel reticular plate (6); the lower end part of the steel reticular plate (6) is provided with a water pump (12); the upper end of a drainage pipe (13) of the water pump (12) extends out of the side face of the lower half body (2); a horizontal support plate (10) is welded on the two sides of the cavity of the lower half body (2) respectively; and two radial stop levers (14) are arranged on the two sides of the upper opening of the cavity of the lower half body (2) respectively.
Description
Technical field
The present invention is the floating counterpart welder of submarine pipeline that a kind of laying, connecting pipe are on the water used.Relate to the pipe-line system technical field.
Background technology
Often need carry out the counterpart welding in the submarine pipeline work progress, for example submarine pipeline be adopted the floating traction construction of segmentation in Tan Hai, shallow sea to two pipeline sections; Perhaps when laying length,, adopt two or more pipe laying barge to lay simultaneously by different depth of water sections for improving efficiency of construction apart from submarine pipeline.The tradition form of construction work need be promoted to two pipeline sections from the seabed carries out the counterpart welding more than the water surface, if the steel pipe bore is bigger, the single tube weight of concrete weight coating can reach more than 20 tons, this is very high to the lift heavy Capability Requirement that the hull length and the ship side of working ship hang, and the lease of this type of working ship and moving expense are very expensive, therefore construction cost is very high, and is subjected to working ship lessor's restriction sometimes, can impact the duration.Patent documentation has hundreds of pieces of buoyancy aids, floating platform, buoyancy tank, floating drum patent document by retrieval, and the offshore pipeline that can be used for that wherein has is constructed.For example, " buoyancy aid waterborne that is used for tubing " (200720153007.2), " offshore multi-use buoyancy tank " (200710060182.1), " a kind of pipeline waterborne is carried the buoyancy tank of usefulness " (02224912.5), " the combined type floating drum platform of regulating level " (200520034726.3).Above-mentioned patent all can not be used for submarine pipeline counterpart weld job.In specialized books and periodicals and the technical paper data, do not see report related to the present invention yet.
Summary of the invention
Purpose of the present invention just be to provide a kind of simple and practical, working service is easy, can reduce the floating counterpart welder of submarine pipeline of construction cost again significantly.
Above-mentioned purpose is realized by following technical proposals:
The floating counterpart welder of submarine pipeline, monnolithic case is long cube shaped, form by upper semi-body 1 and lower semi-body 2 two large divisions, a side connects with rotational pin 15 between upper semi-body 1 and the lower semi-body 2, opposite side connects with bolt and nut 16, become one up and down, and sealing gasket 3 all is installed at upper semi-body 1 and lower semi-body 2 contact positions.It is characterized in that upper semi-body 1 is welded into rectangle frame by the square plain plate of four block lengths, its axial length is greater than radial width.Lower semi-body 2 by four blocks of square plain plates and a face of cylinder steel plate be welded into rectangular opening, down the cross section at the bottom of the arc becomes the cabin body of ellipse, its axial length is greater than radial width.The dull and stereotyped joint in the two ends of upper semi-body 1 and lower semi-body 2 respectively has two semicircle orifices, and upper and lower semicircle orifice synthesizes two end circular holes.Respectively weld a semicircle steel pipe in the upper and lower semicircle orifice as card pipe support 4.Upper and lower card pipe support 4 inner surfaces are respectively adorned a semicircular arc seal, upper and lower synthetic circular seal ring 5.The square horizontal steel net plate 6 of a block length is installed in lower semi-body 2 inner chamber middle and lower parts, the water ballast that has liquid level to remain unchanged below the steel net plate 6.There is a suction pump 12 end below the steel net plate 6, and stretch out from the side of lower semi-body 2 drainpipe 13 upper ends of suction pump 12.Lower semi-body 2 inner chambers two middle side parts respectively weld a horizontal seat plate 10.Two radially pins 14 are respectively installed both sides at lower semi-body 2 inner chambers place suitable for reading.
In the floating counterpart welder of above-mentioned submarine pipeline, have one or two movably ladder 11, there is hook the upper end of ladder 11, can hang over the upper topside of upper semi-body 1 biside plate.
Above the steel net plate 6 in the floating counterpart welder of above-mentioned submarine pipeline, place one or two waste material basket 17.
The upper semi-body 1 of the floating counterpart welder of above-mentioned submarine pipeline and the upper topside of lower semi-body 2 outside, every side welds two hangers 18.
Its central stop lever 14 is "T"-shaped bar, and pole-footing is fixed on lower semi-body 2 inwalls, and 10 liang of each horizontal seat plates are surveyed each and fixed one.
In order to increase the floating counterpart welder of submarine pipeline integral intensity, the outer surface of card pipe support 4 welds a plurality of end reinforcing rib plates 9; A plurality of outer gussets 8 of strengthening are respectively welded in the both sides of lower semi-body 2; The inner chamber of upper semi-body 1 and lower semi-body 2 all welds a plurality of interior gussets 7 of strengthening for four jiaos.
The floating counterpart welder of submarine pipeline that manufactures according to technique scheme, simple and practical, manufacturing cost is lower, and working service is easy, cooperate with the small-sized hanging device on the ordinary barge, can finish the counterpart weld job that is in two pipeline sections under the floating state.Both solve submarine pipeline construction a great problem, reduced construction cost again; Remarkable economic efficiency is arranged.
Description of drawings
The floating counterpart welder of Fig. 1 submarine pipeline overall diagram
The floating counterpart welder of Fig. 2 submarine pipeline application state schematic diagram
The floating counterpart welder of Fig. 3 submarine pipeline axis sectional plan view (the B-B cutaway view of Fig. 4)
The floating counterpart welder of Fig. 4 submarine pipeline is section left view (the A-A cutaway view of Fig. 3) radially
The floating counterpart welder of Fig. 5 submarine pipeline vertical view (C of Fig. 4 is to view)
1-upper semi-body 2-lower semi-body wherein
3-sealing gasket 4-card pipe support
5-sealing ring 6-steel net plate
Strengthen gusset 8-in the 7-and strengthen gusset outward
9-end reinforcing rib plate 10-props up seat board
11-ladder 12-suction pump
13-drainpipe 14-is pin radially
15-rotational pin 16-bolt and nut
17-waste material basket 18-hanger
The G-steel pipe
The specific embodiment
Embodiment. this example is the experimental rig of the floating counterpart welding in 1016mm pipeline ocean, structure such as Fig. 1, Fig. 3, Fig. 4, shown in Figure 5.
The monnolithic case of the floating counterpart welder of submarine pipeline is a rectangular shape, is made up of upper semi-body 1 and lower semi-body 2 two large divisions, and a side connects with rotational pin 15 between upper semi-body 1 and the lower semi-body 2, and opposite side connects upper and lower being integrated with bolt and nut 16.It is characterized in that upper semi-body 1 forms rectangle frame by the square plain plate of four block lengths, its axial length is greater than radial width.Lower semi-body 2 by a square plain plate of four block lengths and a face of cylinder steel plate form rectangular opening, down the cross section at the bottom of the arc becomes the cabin body of ellipse, its axial length is greater than radial width.The dull and stereotyped joint in the two ends of upper semi-body 1 and lower semi-body 2 respectively has two semicircle orifices, and upper and lower semicircle orifice synthesizes two end circular holes.Respectively weld a semicircle steel pipe in the upper and lower semicircle orifice as card pipe support 4.Upper and lower card pipe support 4 inner surfaces are respectively adorned a semicircular arc seal, upper and lower synthetic circular seal ring 5.16 end reinforcing rib plates 9 of outer surface welding of card pipe support 4.12 outer gussets 8 of strengthening are respectively welded in the both sides of lower semi-body 2.The inner chamber of upper semi-body 1 and lower semi-body 2 all welds for four jiaos strengthens gusset 7 in 6.The square horizontal steel net plate 6 of a block length is installed in lower semi-body 2 inner chamber middle and lower parts, the water ballast that has water level to remain unchanged below the steel net plate 6.There is a suction pump 12 end below the steel net plate 6, and stretch out from the side of lower semi-body 2 drainpipe 13 upper ends of suction pump 12.Lower semi-body 2 inner chambers two middle side parts respectively weld a horizontal seat plate 10.Two radially pins 14 are respectively installed both sides at lower semi-body 2 inner chambers place suitable for reading.
Have one or two movably ladder 11 (seeing Fig. 3, Fig. 4 and Fig. 5) in this floating counterpart welder, there is hook the upper end of ladder 11, can hang over the upper topside of upper semi-body 1 biside plate.
Above the steel net plate 6 of this floating counterpart welder inside, place one or two waste material basket 17 (seeing Fig. 3 and Fig. 5).
The upper semi-body 1 of this floating counterpart welder and the upper topside of lower semi-body 2, each welds four hangers 18 (seeing Fig. 3 and Fig. 4).
Its key dimension: upper semi-body 1 profile 4000 * 2500 * 2000mm is welded by the 10mm steel plate; Last 4000 * the 2500mm of lower semi-body 2, the cabin body degree of depth is 1700mm, is welded by the 10mm steel plate; Card pipe support 4 internal diameter 1260mm, sealing ring 5 thick 5mm, strengthening gusset 8 outward is 200 * 100 * 10mm steel plate; The interior reinforcement gusset 7 that upper semi-body 1 and lower semi-body are 2 four jiaos is a right angled triangle, two right angle length of side 100mm; Outer reinforcement gusset 8 is 200 * 100 * 10mm steel plate; Steel net plate 6 is 4000 * 1200mm; Propping up seat board 10 is 200 * 100 * 20mm; Pin 14 is "T"-shaped, is welded the short tube of Φ 30mm, long 100mm again by the steel tube head of Φ 30mm, long 400mm; Suction pump 12 models are the QS150-8-5.5 type.
The floating counterpart welder of submarine pipeline operation instruction:
This device is positioned on the ordinary barge, together goes to sea with barge, and barge drives to and swims in the two steel pipe G ends that the sea needs the counterpart welding, and casting anchor brings to.Loop wheel machine and steel wire rope with barge are sling this device, shown in Fig. 4,5, the rotational pin 15 on its left side, upper and lower body junction has installed, the connecting bolt nut 16 on its right does not install as yet, mouth is opened on this device right side after slinging, and makes afloat adjacent two tube heads enter this device from opening part.This moment, sealing gasket 3 and sealing ring 5 all installed, and were coated with on the surface of sealing ring 5 and spread lubricating grease.Upper semi-body 1 put down with lower semi-body 2 engaging, load onto the connecting bolt nut 16 on right side then.This moment, these device both sides and two ends formed sealing state, started the seawater in the suction pump 12 outside tapping equipments, made water level arrive the degree of depth that steel net plate is set below 6.By shown in Figure 2, need two steel pipe G ends of counterpart welding this moment, clamped by the card pipe support 4 at two ends respectively.Among Fig. 5 four radially pin 14 front ends come on the pipe end, can prevent that pipe end from swinging.Move axially with leading the pipe G that chain can spur floating state this moment, finishes the counterpart weld job.Ladder 11 is ridden on the seat board 10, can the welding of line up upper top.Standing in can line up both sides and bottom welding on the steel net plate 6.Water pump 12 is according to the high low energy automatic start-stop of water level in this device, and it is constant to make water level remain on the degree of depth of setting.Seawater in this device is equivalent to the water ballast in the floating platform, and the counterweight effect is arranged, and can make this device keep rational draft amount, helps wind and wave resistance, alleviates swing.Shown in Fig. 1,2,4, the profile of lower semi-body 2 is similar to hull, and is wide at the top and narrow at the bottom, and the bottom is the face of cylinder, also helps wind and wave resistance, alleviates swing, makes this device keep balance and stability, helps counterpart and weld job, and this is the innovation part of its structural design.This installs interior four radially effects of pin 14, is to prevent the left and right swing of pipe end, helps counterpart operation and personal safety, and this is the embodiment of technological innovation and people-oriented theory.Waste material basket 17 in this device is used for depositing discard electrode and other discarded foreign material, and no matter in the inland sea or the high sea construction, it is not contaminated all to help protecting the marine environment, and this is the embodiment of environmental consciousness.
Claims (6)
1. floating counterpart welder of submarine pipeline, its monnolithic case is long cube shaped, form by upper semi-body (1) and lower semi-body (2) two large divisions, a side connects with rotational pin (15) between upper semi-body (1) and the lower semi-body (2), opposite side connects with bolt and nut (16), upper and lower becoming one, and sealing gasket (3) all is installed at upper semi-body (1) and lower semi-body (2) contact position; It is characterized in that upper semi-body (1) is welded into rectangle frame by the square plain plate of four block lengths, lower semi-body (2) by a square plain plate of four block lengths and a face of cylinder steel plate be welded into rectangular opening, down the cross section at the bottom of the arc becomes the cabin body of ellipse; The dull and stereotyped joint in the two ends of upper semi-body (1) and lower semi-body (2) respectively has two semicircle orifices, and upper and lower semicircle orifice synthesizes two end circular holes; Respectively weld a steel semi-circle tubular card pipe support (4) in the upper and lower semicircle orifice, upper and lower card pipe support (4) inner surface is respectively adorned a semicircular arc seal, upper and lower synthetic circular seal ring (5); The square horizontal steel net plate of a block length (6) is installed in the inner chamber middle and lower part of lower semi-body (2), there is a suction pump (12) end below the steel net plate (6), stretch out from the side of lower semi-body (2) drainpipe (13) upper end of suction pump (12), lower semi-body (2) inner chamber two middle side parts respectively weld a horizontal seat plate (10), and two radially pins (14) are respectively installed both sides at lower semi-body (2) inner chamber place suitable for reading.
2. the floating counterpart welder of submarine pipeline according to claim 1, the axial length that it is characterized in that upper semi-body (1) and lower semi-body (2) is greater than radial width.
3. the floating counterpart welder of submarine pipeline according to claim 1 is characterized in that the outer surface of card pipe support (4) welds a plurality of end reinforcing rib plates (9); A plurality of outer gussets (8) of strengthening are respectively welded in the both sides of lower semi-body (2); The inner chamber of upper semi-body (1) and lower semi-body (2) all welds a plurality of interior gussets (7) of strengthening for four jiaos.
4. the floating counterpart welder of submarine pipeline according to claim 1 is characterized in that having in the device one or two movably ladder (11), and there is hook the upper end of ladder (11).
5. the floating counterpart welder of submarine pipeline according to claim 1 is characterized in that every side welds two hangers (18) outside the upper topside of upper semi-body (1) and lower semi-body (2).
6. the floating counterpart welder of submarine pipeline according to claim 1 is characterized in that described radially pin (14) for "T"-shaped, and pole-footing is fixed on lower semi-body 2 inwalls, and each horizontal seat plate is surveyed each for 10 liang and fixed one.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010100010537A CN102133692A (en) | 2010-01-21 | 2010-01-21 | Floating butt-welding device for submarine pipeline |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010100010537A CN102133692A (en) | 2010-01-21 | 2010-01-21 | Floating butt-welding device for submarine pipeline |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102133692A true CN102133692A (en) | 2011-07-27 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010100010537A Pending CN102133692A (en) | 2010-01-21 | 2010-01-21 | Floating butt-welding device for submarine pipeline |
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| Country | Link |
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| CN (1) | CN102133692A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103253356A (en) * | 2013-06-03 | 2013-08-21 | 重庆交通大学西南水运工程科学研究所 | Large pipe fitting overwater welding floating platform and dry construction environment creating method |
| CN105042186A (en) * | 2015-06-30 | 2015-11-11 | 中国海洋石油总公司 | Device and method for maintaining and replacing vertical crude oil pipe of offshore platform |
| WO2019012186A1 (en) * | 2017-07-14 | 2019-01-17 | Dyke Engineering Oy | An arrangement and a method for joining pipes on water |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3246480A (en) * | 1963-03-05 | 1966-04-19 | Shell Oil Co | Transporting liquefied gas in combination with crude oil |
| JPS53133545A (en) * | 1977-04-27 | 1978-11-21 | Boc Ltd | Underwater welding device and its welding method |
| CN1127182A (en) * | 1995-10-19 | 1996-07-24 | 浙江海洋工程总公司 | Pipe water butt welding method and equipment |
| DE19610526C1 (en) * | 1996-03-18 | 1997-04-24 | Riepl Josef Bau Ag | Underwater pipeline i.e. steel pipeline, laying method |
| CN1533861A (en) * | 2003-03-27 | 2004-10-06 | 本溪市自来水总公司 | Device used in welding pipeline under water |
| CN201596867U (en) * | 2010-01-21 | 2010-10-06 | 中国石油天然气集团公司 | Floating butt-welding device for marine pipeline |
-
2010
- 2010-01-21 CN CN2010100010537A patent/CN102133692A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3246480A (en) * | 1963-03-05 | 1966-04-19 | Shell Oil Co | Transporting liquefied gas in combination with crude oil |
| JPS53133545A (en) * | 1977-04-27 | 1978-11-21 | Boc Ltd | Underwater welding device and its welding method |
| CN1127182A (en) * | 1995-10-19 | 1996-07-24 | 浙江海洋工程总公司 | Pipe water butt welding method and equipment |
| DE19610526C1 (en) * | 1996-03-18 | 1997-04-24 | Riepl Josef Bau Ag | Underwater pipeline i.e. steel pipeline, laying method |
| CN1533861A (en) * | 2003-03-27 | 2004-10-06 | 本溪市自来水总公司 | Device used in welding pipeline under water |
| CN201596867U (en) * | 2010-01-21 | 2010-10-06 | 中国石油天然气集团公司 | Floating butt-welding device for marine pipeline |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103253356A (en) * | 2013-06-03 | 2013-08-21 | 重庆交通大学西南水运工程科学研究所 | Large pipe fitting overwater welding floating platform and dry construction environment creating method |
| CN103253356B (en) * | 2013-06-03 | 2015-10-14 | 重庆交通大学西南水运工程科学研究所 | Large-size pipe welding floating platform waterborne and dry construction condition construction method |
| CN105042186A (en) * | 2015-06-30 | 2015-11-11 | 中国海洋石油总公司 | Device and method for maintaining and replacing vertical crude oil pipe of offshore platform |
| CN105042186B (en) * | 2015-06-30 | 2017-11-24 | 中海油能源发展股份有限公司 | Crude oil of offshore platform standpipe repairs more changing device and crude oil standpipe maintenance replacing options |
| WO2019012186A1 (en) * | 2017-07-14 | 2019-01-17 | Dyke Engineering Oy | An arrangement and a method for joining pipes on water |
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Application publication date: 20110727 |