CN105818946B - Marine riser detects conveying arrangement and detecting system - Google Patents
Marine riser detects conveying arrangement and detecting system Download PDFInfo
- Publication number
- CN105818946B CN105818946B CN201610280467.5A CN201610280467A CN105818946B CN 105818946 B CN105818946 B CN 105818946B CN 201610280467 A CN201610280467 A CN 201610280467A CN 105818946 B CN105818946 B CN 105818946B
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- Prior art keywords
- switch
- toss
- weighted spherical
- spherical ball
- conveying arrangement
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63C—LAUNCHING, HAULING-OUT, OR DRY-DOCKING OF VESSELS; LIFE-SAVING IN WATER; EQUIPMENT FOR DWELLING OR WORKING UNDER WATER; MEANS FOR SALVAGING OR SEARCHING FOR UNDERWATER OBJECTS
- B63C11/00—Equipment for dwelling or working underwater; Means for searching for underwater objects
- B63C11/52—Tools specially adapted for working underwater, not otherwise provided for
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Ocean & Marine Engineering (AREA)
- Earth Drilling (AREA)
- Geophysics And Detection Of Objects (AREA)
Abstract
The present invention discloses a kind of marine riser detection conveying arrangement, including transport main body, at least three cross runners and reciprocating motion unit：Transport main body includes two semicircle cylinder shells that side is hinged in axis direction, and opposite side has anchor switch；Cross runner includes being connected with the flexible pinch wheels of radial elastic on multi-diameter shaft, the adapter sleeve being rotateably mounted on multi-diameter shaft, adapter sleeve；Multi-diameter shaft two ends are arranged on semicircular cylinder inner walls；Moving back and forth unit includes guide pipe, stores weighted spherical ball, positioned at detection original position；Switch of receiving is arranged on guide pipe, is emerged under toss on-off action and is received a weighted spherical ball automatically, and is sent in toss switch；Toss switch is arranged in transport main body, is run under the weighted spherical ball Action of Gravity Field of reception to seabed automatically by the weighted spherical ball jettisoning；Jack-up switch of receiving continues to connect next weighted spherical ball under buoyancy.
Description
Technical field
The present invention relates to marine riser detection technique, especially a kind of marine riser detection detection conveying arrangement and detection system
System.
Background technology
Marine riser is exactly to connect the pipeline between seabed and sea upper float, and main function is transfer oil or natural gas
Deng；It is the important composition portion of deepwater field development system as connection subsea production system and the transfer line of floating structure
Point.Due to the complexity that the time variation and standpipe of deep water marine environment load interact with seabed soil, standpipe is pacified in place
It is complete with unique challenge and obvious uncertain, once failure, will jeopardize the safety of whole oil extraction system, even
Cause a series of major accidents.If set of device can be found that before standpipe failure and solve failure, this nothing
Oil gas field, society, environment or even the massive losses of country will be greatly reduced by doubting.
Existing standpipe detection method is generally outside pipeline and detected, phytal zone is detected that profundal zone is by water by diver under water
Lower robot detection.The former is that, by the pure manual inspection of diver, diver little by little detects under water with good tool；By the time and
The limitation of depth, and by the pure manual inspection of diver, efficiency is very low, meanwhile, testing staff be able to should dive under water, and grasp vertical again
The technology of pipe detection, the requirement to testing staff is higher；Although the latter is underwater robot detection, but needs staff to lead to
The information real-time operation of the cam feedback of robot carrying is crossed, automaticity is low, and efficiency is not also high；In addition underwater robot
Cost it is higher, the space of install sensor is smaller on underwater robot, sensor carry it is more inconvenient, due to robot
The limitation of profile, can not most optimally utilize sensor.
State Economic and Trade Commission of China command April 17 in 2000, in " oil and gas pipeline safety supervision and the provisional rule of management
Clear stipulaties " newly-built petroleum pipeline must carry out complete detection after going into operation 3 years, need to carry out regular complete detection later " in calmly ".
In addition China's offshore oil cause is flourished, and marine riser quantity is on the increase, and existing detection means increasingly can not
Meet the demand of detection.Based on such background, the present invention devises a kind of low-power consumption marine riser detection transporter.
The content of the invention
The present invention provides a kind of marine riser detection conveying device and detecting system, for overcoming of the prior art lack
Fall into, reduction hand labor intensity, raising detection efficiency, and reduce energy resource consumption.
The present invention provides a kind of marine riser detection conveying arrangement, including：
Main body, including two semicircle cylinder shells that side is hinged in axis direction are transported, opposite side, which has, to be used for two
The semicircle cylinder shell connection is in the anchor switch of cylinder；
At least three cross runners, including multi-diameter shaft, adapter sleeve rotatably on the multi-diameter shaft, the company
The pinch wheels that can be stretched along the multi-diameter shaft radial elastic are connected with female connector；The multi-diameter shaft two ends are arranged on the semicircular cylinder
In inner walls；
Unit is moved back and forth, including：
Guide pipe, original position is detected installed in standpipe, for storing multiple weighted spherical balls, and when switch of receiving is opened certainly
Received described in trend and enter weighted spherical ball in switching；
The switch of receiving, on the guide pipe, emerge automatic reception one under toss on-off action
Weighted spherical ball, and be sent in the toss switch；
Toss switch, in the transport main body, run under the weighted spherical ball Action of Gravity Field of reception to
Seabed is automatically by the weighted spherical ball jettisoning；Switch of being received under buoyancy described in jack-up continues to connect next weighted spherical ball.
Marine riser that the present invention is provided detection conveying arrangement, extra large pipe carrying out flaw detection device is carried from outer as means of transport
The damage of marine riser is detected in portion, by moving back and forth unit, can receive weighted spherical ball and ultimate position automatically in initial position
Jettisoning weighted spherical ball, the relation of natural buoyancy and gravity is changed by receiving heavy ball and throwing heavy ball, realize floating in water with
The conversion of dive campaign；So as to be detected back and forth, untill reaching that detection is required；Adhered to by changing apparatus surface
Buoyancy material change the density of whole device, and then the underwater speed of control device, it is not reduced inspection because too fast
Mass metering, it is also only slow to reduce detection efficiency；By the scalable pinch wheels of at least three cross runners respectively from a Wednesday
The rotatable adapter sleeve that individual different directions are clamped on standpipe motion, cross runner can make scalable pinch wheels flange or its
An angle is turned over automatically in the presence of his barrier, so that the avoidance by way of rotation；This covering device changes original completely
Some marine riser detection modes, compensate for existing detection means labor intensive material resources, clumsy poorly efficient shortcoming；Device is pure machine
Tool structure, without electricity consumption, without providing external power source, has the advantages that low-power consumption, zero-emission, no pollution；Meet energy-conservation to subtract
The trend of row, economizes on resources, reduces environmental pollution；Failure can be found ahead of time by the detection to standpipe, prevented trouble before it happens.
Brief description of the drawings
Fig. 1 is the overall structure diagram that marine riser provided in an embodiment of the present invention detects conveying arrangement；
Fig. 2 is the structural representation of cross runner in marine riser detection conveying arrangement provided in an embodiment of the present invention；
Fig. 3 is the working condition signal of cross runner in marine riser detection conveying arrangement provided in an embodiment of the present invention
Figure；
Fig. 4 a are that marine riser provided in an embodiment of the present invention detects switch working state schematic diagram of being received in conveying arrangement
One；
Fig. 4 b are that marine riser provided in an embodiment of the present invention detects switch working state schematic diagram of being received in conveying arrangement
Two；
Fig. 5 a are toss switch working state schematic diagrames in marine riser detection conveying arrangement provided in an embodiment of the present invention
One；
Fig. 5 b are toss switch working state schematic diagrames in marine riser detection conveying arrangement provided in an embodiment of the present invention
Two.
Embodiment
Embodiment
Referring to Fig. 1, the present invention provides a kind of marine riser detection conveying arrangement, main to detect starting including being arranged on standpipe
The reciprocating motion unit 1 and transport two parts of main body 2 of position, the wherein profile of transporter main body 2 are similar to cylinder, and whole cylinder is put down
Dimidiation, side is connected by hinge 21, and opposite side is connected by hasp switch 22, and hasp switch 22 can use existing structure,
It can arrive to open and lock and determine two halves cylinder, mount and dismount very easy.Transporter main body 2 only need to be by hasp switch 22 when installing
Open, two panels semicircular cylinder can just wrap page axle and turn to diameter of the opening more than standpipe 10, then transporter main body 2 passes through peace
Standpipe 10 can be embraced by being arranged on mounted in the cross runner 3 of the free obstacle detouring of energy of cylinder inner wall on standpipe 10, close hasp switch
22.Transporter main body cover is relatively large sized, is easily installed detection device and attachment buoyancy material；
Referring to Fig. 2, Fig. 3, cross runner 3 uses avoidance cam mechanism, including multi-diameter shaft 31, adapter sleeve 32 and pinch wheels
33, the two ends of multi-diameter shaft 31 are arranged on cylinder inner wall, and adapter sleeve 32 is arranged on multi-diameter shaft 31 by bearing 32a, multi-diameter shaft 31
On be also equipped with bearing cap 32b；Four pinch wheels 33 surround adapter sleeve 32 1 weeks uniformly, and are arranged on respectively by sleeve 33a
Radial spring 33b is provided with the radial direction of adapter sleeve 32, sleeve 33a；Pinch wheels 33 are arranged on wheel shaft 33c, wheel shaft 33c and footpath
Contradict or connect to spring 33b；
Four cross runners 3 are distributed on around standpipe 10, and a pinch wheels 33 in each cross runner 3 contradict standpipe
10, four pinch wheels tightly embrace standpipe 10 from circumferencial direction, and radial spring 33b is in compressive state all the time, works as cross
When runner 3 is moved up and down with reciprocating motion unit 1, pinch wheels 33 are moved on standpipe 10, are attached to if run on standpipe 10
The small-scale obstacle thing such as debris in seawater is often smaller and smooth, and what is had can even touch off, for example, be adsorbed in standpipe
On conch；Four pinch wheels 33 of cross runner are telescopic, during work, and every wheel shaft 33c is at compact state,
Clamp standpipe motion.So, when encountering the small-scale obstacle thing, the retractility of wheel shaft in itself can be over barrier；Work as chance
On to marine riser during the original grade of ring flange 20 large obstacle, rotated by adapter sleeve 33 and drive wheel shaft 33c and sleeve
33a around multi-diameter shaft 31 rotate 90 degree so that one in its excess-three pinch wheels 33 contradicts with standpipe 10, in rotation process around
Ring flange 20 is crossed.
In order to further improve the stability that cross runner 3 is run on standpipe 10, bullet is also worn on multi-diameter shaft 31
Spring lid 34, axle spring 35 and cam 36；Axle spring 35 is located between spring cup 34 and cam 36, is provided with adapter sleeve 32
At least three rolling elements 37；Rotating direction of the end face that cam 36 is contradicted with rolling element 37 along rolling element 37 is in wavy；Axially
Spring 35 is in compressive state in the case where rolling element 37 and cam 36 are acted on.Rolling element 37 is universal wheel.
During normal work, because the elastic force of axle spring 35 is stronger, universal wheel is in the presence of elastic force positioned at cam 36
At trough, one in four flexible pinch wheels 33 of each cross runner contacts with standpipe 10.When running into ring flange, runner
Rotated in the presence of ring flange 20 and device inertia force itself around multi-diameter shaft 31, in rotation process, universal wheel will overcome axial direction
Surface of the elastic force of spring 35 along cam 36 is climbed, and final whole adapter sleeve 32 turns over 90 degree, is bypassed in rotation process
Ring flange.Because cross runner is symmetrical, so turning over after 90 degree, runner is still to remain former normal operating conditions to clip
Standpipe 10, it is possible to continue around the ring flange run into below.
Referring to Fig. 1, Fig. 4 a, 4b, Fig. 5 a, 5b, moving back and forth unit 1 includes guide pipe 11, receives switch 12 and toss is opened
Close 13；
Guide pipe 11, original position is detected installed in standpipe 10, and multiple weighted spherical balls 30 are stored in inside, and weighted spherical ball 30 can be
Iron ball, cement heavy ball etc., the top of guide pipe 11 have ball hole 11a, and bottom has ball mouth 11b, due to tilting certain angle,
When switch 12 of receiving is opened, weighted spherical ball rolls for 30 times to receive from trend along guide pipe 11 enters weighted spherical ball in switch 12；
Receive switch 12, on guide pipe 11, being emerged under the effect of toss switch 13 automatic receive one and match somebody with somebody
Heavy ball 30, and weighted spherical ball 30 is sent into toss switch 13；Switch 12 of receiving includes the first valve block 12a that bottom links together
It is plugged in the second valve block 12b, the first valve block 12a and the second valve block 12b in guide pipe 11；Have first on first valve block 12a
Be open 12c, has the second opening 12d, the company between the first opening 12c centers and the second opening 12d centers on the second valve block 12b
Line is identical with the incline direction of guide pipe 11.When toss switch 13 toss after uphill process in, from underwater ascent to the position when,
Will not stop immediately in the presence of inertia force, but with receive switch 12 bottoms contact, and head on receive switch 12 continue on
It is floating.Switch 12 of receiving is taken the shape of the letter U, and hereinafter referred to as U-shaped is switched, normal condition, as shown in fig. 4 a, and its second valve block 12b is in open-minded
State, the second opening 12d conducting guide pipes 11, it is allowed to which weighted spherical ball 30 passes through, and the first valve block 12a is closed, by heavy ball
Gear is here；When U-shaped switch continues to be headed on rising, as shown in Figure 4 b, the first valve block 12a turns on guide pipe 11, into U-shaped
Weighted spherical ball in switch is entered in toss switch 13 by the first ball mouth 11b of the opening 12c through guide pipe 11, the second valve block
12b is closed, and accompanies heavy ball by entering in U-shaped switch in refusal guide pipe 11, completion is received automatically.
Toss switch 13 is specially a receiving barrel, in transport main body 2, under the Action of Gravity Field of weighted spherical ball 30 of reception
Operation is to seabed automatically by the jettisoning of weighted spherical ball 30；Jack-up switch of receiving 12 continues to connect next weighted spherical ball under buoyancy.Throw
Ball switch 13 is located at immediately below ball mouth 11b, including outer sleeve 13a and inner sleeve 13b：Outer sleeve 13a open tops, side wall tool
There is the first toss mouthful 13c, bottom is connected with by guide rod 13d and bottoms out plate 13e；Inner sleeve 13b open tops, can be in outer sleeve
Lifted in 13a, have between bottom and outer sleeve 13a and set the first toss mouthful 13c's on shock-absorbing spring 13h, with outer sleeve 13a
Homonymy has the second toss mouthful 13f, inner sleeve inner bottom surface 13g wedge shaped and tilted to the second toss mouthful 13f.
Ended when toss switchs 13 and carries transport main body 2 and reach detection installed in the detection means transported in main body 2
Position is seabed, and bottom bottoms out plate 13e by the guide rod 13d a piece of thin plates connected can first contact seabed, the inertia of transporter
Power overcomes shock-absorbing spring 13h elastic force the outer sleeve 13a of receiving barrel is increased along inner sleeve 13b with gravity, when inner sleeve 13b's
When second toss mouthful 13f is overlapped with outer sleeve 13a the first toss mouthful 13c, weighted spherical ball 30 will be tilted along inner sleeve 13b in cylinder
Inner bottom surface 13g be rolled into the sea, separated with receiving barrel, complete throw heavy ball process.After jettisoning heavy ball, gravity is less than buoyancy, enters
Row, which floats, to be detected；Outer sleeve 13a restPoses in the presence of shock-absorbing spring 13h.
Claims (6)
1. a kind of marine riser detects conveying arrangement, it is characterised in that including：
Main body, including two semicircle cylinder shells that side is hinged in axis direction are transported, opposite side, which has, to be used for described in two
The connection of semicircle cylinder shell is in the anchor switch of cylinder；
At least three cross runners, including multi-diameter shaft, adapter sleeve rotatably on the multi-diameter shaft, the adapter sleeve
On be connected with can along the multi-diameter shaft radial elastic stretch pinch wheels；The multi-diameter shaft two ends are arranged on the semicircle cylinder shell
On inwall；
Unit is moved back and forth, including：
Guide pipe, original position is detected installed in standpipe, for storing multiple weighted spherical balls, and when switch of receiving is opened from trend
Enter weighted spherical ball in the switch of receiving；
The switch of receiving, on the guide pipe, emerges under toss on-off action and receives a counterweight automatically
Ball, and will be sent in the toss switch；
The toss switch, in the transport main body, runs to seabed under the weighted spherical ball Action of Gravity Field of reception
Automatically by the weighted spherical ball jettisoning；Switch of being received under buoyancy described in jack-up continues to connect next weighted spherical ball.
2. marine riser according to claim 1 detects conveying arrangement, it is characterised in that the cross runner also includes wearing
It is located at axle spring and cam on the multi-diameter shaft；
The cam is located between the axle spring and the adapter sleeve；At least three rollings are provided with the adapter sleeve
Body；Rotating direction of the end face that the cam is contradicted with the rolling element along the rolling element is in wavy；The axle spring
Compressive state is under the rolling element and cam effect.
3. marine riser according to claim 2 detects conveying arrangement, it is characterised in that the rolling element is universal wheel.
4. conveying arrangement is detected according to any described marine risers of claim 1-3, it is characterised in that the guide pipe is in incline
It is ramp-like, and top has ball hole, low side has ball mouth.
5. marine riser according to claim 4 detects conveying arrangement, it is characterised in that the switch of receiving includes：
Two valve blocks, are plugged in the guide pipe, bottom links together；Opening, two institutes are respectively provided with two valve blocks
State the line between opening center identical with the incline direction of the guide pipe.
6. marine riser according to claim 5 detects conveying arrangement, it is characterised in that the toss switch is located at described
Immediately below ball mouth, including：
Outer sleeve, open top, side wall has the first toss mouthful, and bottom is connected with by guide rod and bottoms out plate；
Inner sleeve, open top can lift in the outer sleeve, shock-absorbing spring is provided between bottom and the outer sleeve,
There is the second toss mouthful with homonymy that the first toss mouthful is set on the outer sleeve, inner sleeve inner bottom surface is wedge shaped and to described the
Two toss mouthful are tilted.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610280467.5A CN105818946B (en) | 2016-04-29 | 2016-04-29 | Marine riser detects conveying arrangement and detecting system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610280467.5A CN105818946B (en) | 2016-04-29 | 2016-04-29 | Marine riser detects conveying arrangement and detecting system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105818946A CN105818946A (en) | 2016-08-03 |
| CN105818946B true CN105818946B (en) | 2017-09-01 |
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ID=56527925
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610280467.5A Active CN105818946B (en) | 2016-04-29 | 2016-04-29 | Marine riser detects conveying arrangement and detecting system |
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| Country | Link |
|---|---|
| CN (1) | CN105818946B (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201859138U (en) * | 2010-03-13 | 2011-06-08 | 中国海洋大学 | Nondestructive testing device for marine riser |
| CN202024984U (en) * | 2011-02-24 | 2011-11-02 | 中国海洋大学 | Ocean stand pipe nondestructive testing device and centralizer thereof |
| CN205574242U (en) * | 2016-04-29 | 2016-09-14 | 中国海洋大学 | Ocean riser detects conveyer and detecting system |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6422315B1 (en) * | 1999-09-14 | 2002-07-23 | Quenton Wayne Dean | Subsea drilling operations |
-
2016
- 2016-04-29 CN CN201610280467.5A patent/CN105818946B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201859138U (en) * | 2010-03-13 | 2011-06-08 | 中国海洋大学 | Nondestructive testing device for marine riser |
| CN202024984U (en) * | 2011-02-24 | 2011-11-02 | 中国海洋大学 | Ocean stand pipe nondestructive testing device and centralizer thereof |
| CN205574242U (en) * | 2016-04-29 | 2016-09-14 | 中国海洋大学 | Ocean riser detects conveyer and detecting system |
Non-Patent Citations (1)
| Title |
|---|
| 海底管道立管检测技术及近海平台立管检测方法选择分析;赵东红等;《石油工程建设》;20140430;第40卷(第2期);31-34 * |
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| Publication number | Publication date |
|---|---|
| CN105818946A (en) | 2016-08-03 |
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