CN208053582U - A kind of ocean pipe laying system - Google Patents
A kind of ocean pipe laying system Download PDFInfo
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- CN208053582U CN208053582U CN201820547489.8U CN201820547489U CN208053582U CN 208053582 U CN208053582 U CN 208053582U CN 201820547489 U CN201820547489 U CN 201820547489U CN 208053582 U CN208053582 U CN 208053582U
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- Prior art keywords
- tube body
- laying system
- pipe
- pipe laying
- fixed
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Abstract
The utility model belongs to field of mechanical technique, is related to a kind of ocean pipe laying system, it is poor which solve the versatility of existing ocean pipe laying system the problems such as.Ocean pipe laying system includes hull, upper pipe support and cradle, the upper end of upper pipe support is fixed on hull, the lower end of upper pipe support is connected with telescopic steel pipe, the lower end of steel pipe is connected with the upper end of cradle, and the two is rotatably assorted, the lower end of cradle is provided with suspension centre, and the hoist engine being connected with suspension centre is provided on hull.The utility model has many advantages, such as that versatility is good.
Description
Technical field
The utility model belongs to field of mechanical technique, is related to a kind of ocean pipe laying system.
Background technology
Deep water pipe laying barge (pipelaying vessel) is the main construction equipment of deep water hydrocarbon field development & construction, it is carried on a shoulder pole
Bear the installation of floating production platform, the laying of submerged pipeline and riser systems installation task.With world ocean oil
Large area is developed, increasing to the demand of deep water lifting pipe laying vessel.It is right as world ocean oil is constantly to deep-water developments
The performance requirement of deep water lifting pipe laying vessel is also higher and higher.The high speed development of world ocean petroleum industry has pushed deep water lifting to spread
The fast development of pipe ship, the fast development for also having driven lifting pipe laying vessel to equip.
Deep water lay method mainly has S-shaped laying-out tube process (S-lay), J-shaped laying-out tube process (J-lay), roll type laying-out tube process (Reel
Lay and Carousel lay) and vertical laying-out tube process (vertical lay).When S-lay pipe layings, pipeline is in deck or ship
Welding and anticorrosion insulating layer/concrete gravity layer construction of weld seam are completed in cabin, then the stinger by being suspended on outside hull
Enter water.Pipeline on stinger is known as upper bow section (overbend), and the pipeline of stinger end to seabed is known as section of dangling
(sagbend).The curve shape of upper bow section is controlled by the shape of stinger, is Bit andits control therefore.And section of dangling
Curve shape is tension and moment of flexure control, is that load controls therefore.The strain (stress) of upper bow section and section of dangling is S-
The key control parameter of lay.
But by retrieval, China is seldom about the research and innovation of S-lay pipe layings.China patent CN 206203727
U discloses a kind of novel stinger raising structure with the cooperation of column type crane, wherein two hoister winchs are fixed on pipe laying work
Industry line ceiling top；Crane is fixed on stern；The cylinder of the base side of crane lower part is installed by A cabinet frames；Two leading blocks point
It is not fixed on cylinder of the base top both sides；Two liters of pulley blocks one end are separately fixed at both sides at the top of the arm head of A cabinet frames, two liters of pulleys
Group one end is separately fixed at both sides at the top of the arm head of A cabinet frames, and the two lifting pulley other ends are separately fixed at the trustship for needing raising
Frame on both sides of the middle；The steel wire rope of two hoister winchs sequentially passes through two leading blocks and two lifting pulley groups and is separately fixed at respectively
Both sides at the top of the arm head of A cabinet frames, two hoister winchs of operation are released or recycling steel wire rope adjusts trustship by pulley steering-effecting
Angle of the frame relative to hull.
Although the angle that above structure can be by adjusting stinger relative to hull, to adjust the curvature half of stinger
Diameter.But in actual use, differs and surely meet according to the weight of water difference, the only fixed stinger of adjustable curvature radius
It needs, there are still deficiencies for versatility.
Utility model content
The purpose of this utility model is the presence of the above problem in view of the prior art, it is proposed that a kind of ocean pipe laying system,
Technical problem to be solved in the utility model is：How the versatility of this ocean pipe laying system is improved.
The purpose of this utility model can be realized by following technical proposal：
A kind of ocean pipe laying system, which is characterized in that the ocean pipe laying system includes hull, upper pipe support and cradle,
The upper end of the upper pipe support is fixed on hull, and the lower end of the upper pipe support is connected with telescopic steel pipe, under the steel pipe
End is connected with the upper end of the cradle, and the two is rotatably assorted, and the lower end of the cradle is provided with suspension centre, the hull
On be provided with the hoist engine being connected with the suspension centre.
Specifically, steel wire rope is wound on the reel of the hoist engine, one end of the steel wire rope is fixed on hoist engine
Reel on, other end is movable end, and hanger is provided on the hull, and fixed pulley, the steel wire rope are provided on hanger
Movable end around being connected with the suspension centre on cradle after fixed pulley.
Its operation principle is as follows：This ocean pipe laying system in pipe laying, pipeline can pass sequentially through hull, upper pipe support, steel pipe,
Cradle realizes pipe laying to reach seabed.Also, also cradle can be made relative to steel pipe by the retracting steel wire rope of hoist engine
It swings, adjusts angle between the two, that is, adjust the angle relative to hull, to adjust the radius of curvature of entire stinger.
Also, can also be different according to the weight of water, by the flexible of steel pipe, cradle is adjusted at a distance from the bottom, to make this sea
Foreign pipe laying system also accommodates the waters of different weights, improves versatility.
In a kind of above-mentioned ocean pipe laying system, the steel pipe includes the upper tube body and lower tube body of coaxial arrangement, described
Upper tube body is fixed on the upper pipe support, is rotated coaxially at the lower end of the upper tube body and is provided with nut, solid on the upper tube body
Surely the driving source of the nut rotation can be driven by having；The lateral wall of the lower tube body offer coordinate with the nut screw it is outer
Screw thread, the end set of the lower tube body have the positive stop strip being arranged along length direction, the madial wall of the upper tube body to open up
There is the limiting slot being slidably matched with the positive stop strip.Driving source rotates, and nut rotation can be driven, since lower tube body passes through positive stop strip
Coordinate with the limiting slot on upper tube body, therefore, the rotational motion of itself can be converted to linear motion, makes itself opposite upper tube body
It stretches along its length, to adjust the entire length of steel pipe.
In a kind of above-mentioned ocean pipe laying system, the driving source includes the electricity being fixed on the upper tube body lateral wall
The output end of machine, the motor is connected with driving gear, and the lateral wall of the nut is fixed with to be meshed with the driving gear
Driven gear；Bearing, the lower end of the outer ring of the bearing and the upper tube body are additionally provided between the nut and upper tube body
Portion is fixedly connected with, and the inner ring of the bearing is fixedly connected with the nut.Bearing is provided between nut and upper tube body, you can realize spiral shell
Female installation；Motor rotation can drive driving gear to rotate, and then drive nut rotation by driven gear, finally drive down tube
Body vertically stretches with respect to upper tube body.
In a kind of above-mentioned ocean pipe laying system, the motor is waterproof machine.
In a kind of above-mentioned ocean pipe laying system, it is arranged between the lower end of the lower tube body and the upper end of the cradle
There is interval rotation device.It is designed with interval rotation device, the radius of curvature degree of regulation of stinger can be improved.
In a kind of above-mentioned ocean pipe laying system, intermittent rotary setting includes fixed seat, pawl-and-gearing, described
Fixed seat is fixed on the lateral wall of the lower tube body, and the ratchet wheel is set at the center of the fixed seat, the spine
Wheel is also fixedly connected with by connecting rod and the cradle；The pawl is movably set in the fixed seat and matches with the ratchet
It closes.Design ratchet and pawl arrangement so that the radius of curvature that cradle with respect to lower tube body intermittent rotary, can improve stinger adjusts essence
Degree.
In a kind of above-mentioned ocean pipe laying system, sliding slot is offered in the fixed seat, the detent slide is set to
In the sliding slot, the inner end of the pawl is connected by compression spring with the bottom of the sliding slot, the outer end of the pawl and the spine
Wheel matches.
In a kind of above-mentioned ocean pipe laying system, pass through between the lower end of the lower tube body and the upper end of the cradle
Corrugated flexible hose is connected.Since lower tube body and cradle need relative adjustment, after being designed with corrugated flexible hose, it is ensured that pipeline can
Smooth lay.
Compared with prior art, the utility model has the following advantages：
1, for this ocean pipe laying system in pipe laying, pipeline can pass sequentially through hull, upper pipe support, steel pipe, cradle, to arrive
Pipe laying is realized up to seabed.Also, can also furl steel wire rope by hoist engine makes cradle be swung relative to steel pipe, adjusts the two
Between angle, that is, the angle relative to hull is adjusted, to adjust the radius of curvature of entire stinger；
2, this ocean pipe laying system can be different according to the weight of water, by the flexible of steel pipe, adjust cradle and the bottom
Distance improve versatility to make this ocean pipe laying system also accommodate the waters of different weights；
3, it is provided with interval rotation device between the lower end of lower tube body and the upper end of the cradle, stinger can be improved
Radius of curvature degree of regulation.
Description of the drawings
Fig. 1 is the axonometric drawing of this ocean pipe laying system.
Fig. 2 is the partial enlarged view of Fig. 1 a portions.
Fig. 3 is the partial enlarged view of Fig. 1 another part.
Fig. 4 is the cooperation figure of upper tube body and lower tube body.
In figure, 1, hull；2, upper pipe support；3, cradle；4, steel pipe；5, hoist engine；5a, steel wire rope；5b, hanger；5c, determine
Pulley；6, upper tube body；7, lower tube body；8, nut；9, limiting slot；10, motor；11, driving gear；12, driven gear；13, axis
It holds；14, fixed seat；15, pawl；16, ratchet；17, connecting rod；18, sliding slot；19, compression spring；20, corrugated flexible hose；；21, positive stop strip.
Specific implementation mode
It is specific embodiment of the utility model and in conjunction with attached drawing below, the technical solution of the utility model is made further
Description, but the utility model is not limited to these examples.
As shown in Figure 1, this ocean pipe laying system includes hull 1, upper pipe support 2 and cradle 3, the upper end of upper pipe support 2 is fixed
In on hull 1, the lower end of upper pipe support 2 is connected with telescopic steel pipe 4, and the lower end of steel pipe 4 is connected with the upper end of cradle 3,
And the two is rotatably assorted, the lower end of cradle 3 is provided with suspension centre, and the hoist engine 5 being connected with suspension centre is provided on hull 1.
Specifically, steel wire rope 5a is wound on the reel of the hoist engine 5, one end of the steel wire rope 5a is fixed on volume
On the reel for raising machine 5, other end is movable end, and hanger 5b is provided on the hull 1, fixed pulley is provided on hanger 5b
The movable end of 5c, the steel wire rope 5a connect after bypassing fixed pulley 5c with the suspension centre on cradle 3.
Specifically, the suspension centre is eye plate.
In the present embodiment, as shown in Figure 2, Figure 4 shows, steel pipe 4 includes the upper tube body 6 and lower tube body 7 of coaxial arrangement, upper tube body 6
It is fixed on pipe support 2, is rotated coaxially at the lower end of upper tube body 6 and be provided with nut 8, this can be driven by being fixed on upper tube body 6
The driving source that nut 8 rotates；The lateral wall of lower tube body 7 offers the external screw thread with 8 threaded engagement of nut, the end of lower tube body 7
It is provided with the positive stop strip 21 being arranged along length direction, the madial wall of upper tube body 6 is offered to be slidably matched with positive stop strip 21
Limiting slot 9.Specifically, in the present embodiment, driving source includes the motor 10 being fixed on 6 lateral wall of upper tube body, motor 10
Output end is connected with driving gear 11, and the lateral wall of nut 8 is fixed with the driven gear 12 being meshed with driving gear 11；Nut
Bearing 13 is additionally provided between 8 and upper tube body 6, the outer ring and the lower end of upper tube body 6 of bearing 13 are fixedly connected with, the inner ring of bearing 13
It is fixedly connected with nut 8.Preferably, motor 10 is waterproof machine.
As shown in Figure 1, Figure 3, it is provided with interval rotation device between the lower end of lower tube body 7 and the upper end of cradle 3.Specifically
For, intermittent rotary setting includes fixed seat 14, pawl 15 and ratchet 16, and fixed seat 14 is fixed on the lateral wall of lower tube body 7,
Ratchet 16 is rotatably dispose at the center of fixed seat 14, and ratchet 16 is also fixedly connected with by connecting rod 17 and cradle 3；15 activity of pawl
It is set in fixed seat 14, and is matched with ratchet 16.Sliding slot 18 is offered in fixed seat 14, pawl 15 is slideably positioned in the cunning
In slot 18, the inner end of pawl 15 is connected by compression spring 19 with the bottom of sliding slot 18, and the outer end of pawl 15 is matched with ratchet 16.
It is connected by corrugated flexible hose 20 between the lower end of lower tube body 7 and the upper end of cradle 3.
The operation principle of the utility model is as follows：This ocean pipe laying system in pipe laying, pipeline can pass sequentially through hull, on
Pipe support, steel pipe, cradle realize pipe laying to reach seabed.Also, can also furl steel wire rope by hoist engine makes cradle phase
Steel pipe is swung, angle between the two is adjusted, that is, adjusts the angle relative to hull, to adjust the song of entire stinger
Rate radius.Also, can also be different according to the weight of water, by the flexible of steel pipe, cradle is adjusted at a distance from the bottom, to
So that this ocean pipe laying system is also accommodated the waters of different weights, improves versatility.
The specific embodiments described herein are merely examples of the spirit of the present invention.The utility model institute
Belonging to those skilled in the art can make various modifications or additions to the described embodiments or using similar
Mode substitute, but without departing from the spirit of the present application or beyond the scope of the appended claims.
Claims (8)
1. a kind of ocean pipe laying system, which is characterized in that the ocean pipe laying system includes hull (1), upper pipe support (2) and down tube
The upper end of frame (3), the upper pipe support (2) is fixed on hull (1), and the lower end of the upper pipe support (2) is connected with telescopic steel
It manages (4), the lower end of the steel pipe (4) is connected with the upper end of the cradle (3), and the two is rotatably assorted, the cradle
(3) lower end is provided with suspension centre, and the hoist engine (5) being connected with the suspension centre is provided on the hull (1).
2. pipe laying system in ocean according to claim 1, which is characterized in that the steel pipe (4) includes the upper of coaxial arrangement
Tube body (6) and lower tube body (7), the upper tube body (6) are fixed on the upper pipe support (2), same at the lower end of the upper tube body (6)
Shaft rotation is dynamic to be provided with nut (8), and the driving source that the nut (8) can be driven to rotate is fixed on the upper tube body (6)；Under described
The lateral wall of tube body (7) offers the external screw thread with the nut (8) threaded engagement, and the end set of the lower tube body (7) has
Along the positive stop strip (21) of length direction setting, the madial wall of the upper tube body (6) is offered to be slided with the positive stop strip (21)
The limiting slot (9) of dynamic cooperation.
3. pipe laying system in ocean according to claim 2, which is characterized in that the driving source includes being fixed on the upper tube
The output end of motor (10) on body (6) lateral wall, the motor (10) is connected with driving gear (11), the nut (8)
Lateral wall is fixed with the driven gear (12) being meshed with the driving gear (11)；Between the nut (8) and upper tube body (6)
It is additionally provided with bearing (13), the outer ring and the lower end of the upper tube body (6) of the bearing (13) are fixedly connected with, the bearing (13)
Inner ring be fixedly connected with the nut (8).
4. pipe laying system in ocean according to claim 3, which is characterized in that the motor (10) is waterproof machine.
5. pipe laying system in ocean according to claim 4, which is characterized in that the lower end of the lower tube body (7) with it is described under
It is provided with interval rotation device between the upper end of pipe support (3).
6. pipe laying system in ocean according to claim 5, which is characterized in that the intermittent rotary setting includes fixed seat
(14), pawl (15) and ratchet (16), the fixed seat (14) are fixed on the lateral wall of the lower tube body (7), the ratchet
(16) it is rotatably dispose at the center of the fixed seat (14), the ratchet (16) also passes through connecting rod (17) and the cradle
(3) it is fixedly connected with；The pawl (15) is movably set in the fixed seat (14) and is matched with the ratchet (16).
7. pipe laying system in ocean according to claim 6, which is characterized in that offer sliding slot on the fixed seat (14)
(18), the pawl (15) is slideably positioned in the sliding slot (18), the inner end of the pawl (15) by compression spring (19) with it is described
The bottom of sliding slot (18) is connected, and the outer end of the pawl (15) is matched with the ratchet (16).
8. pipe laying system in ocean according to claim 7, which is characterized in that the lower end of the lower tube body (7) with it is described under
It is connected by corrugated flexible hose (20) between the upper end of pipe support (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820547489.8U CN208053582U (en) | 2018-04-17 | 2018-04-17 | A kind of ocean pipe laying system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820547489.8U CN208053582U (en) | 2018-04-17 | 2018-04-17 | A kind of ocean pipe laying system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208053582U true CN208053582U (en) | 2018-11-06 |
Family
ID=63982390
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820547489.8U Expired - Fee Related CN208053582U (en) | 2018-04-17 | 2018-04-17 | A kind of ocean pipe laying system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208053582U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108382533A (en) * | 2018-04-17 | 2018-08-10 | 浙江海洋大学 | A kind of ocean pipe laying system |
| CN114423982A (en) * | 2019-07-26 | 2022-04-29 | 伊特里克公司 | Marine reel type pipeline laying ship |
-
2018
- 2018-04-17 CN CN201820547489.8U patent/CN208053582U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108382533A (en) * | 2018-04-17 | 2018-08-10 | 浙江海洋大学 | A kind of ocean pipe laying system |
| CN114423982A (en) * | 2019-07-26 | 2022-04-29 | 伊特里克公司 | Marine reel type pipeline laying ship |
| CN114423982B (en) * | 2019-07-26 | 2023-11-24 | 伊特里克公司 | Marine reel type pipeline laying ship |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20181106 Termination date: 20210417 |