CN110220772A - A kind of ocean tube multifunctional mechanical property test device based on compliant riser - Google Patents
A kind of ocean tube multifunctional mechanical property test device based on compliant riser Download PDFInfo
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- CN110220772A CN110220772A CN201910643359.3A CN201910643359A CN110220772A CN 110220772 A CN110220772 A CN 110220772A CN 201910643359 A CN201910643359 A CN 201910643359A CN 110220772 A CN110220772 A CN 110220772A
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- 238000005452 bending Methods 0.000 claims abstract description 82
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- 230000001464 adherent effect Effects 0.000 claims description 6
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- 238000007789 sealing Methods 0.000 description 23
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- 238000013001 point bending Methods 0.000 description 8
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- 239000007789 gas Substances 0.000 description 4
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- 238000010586 diagram Methods 0.000 description 3
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- 230000008094 contradictory effect Effects 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 238000002474 experimental method Methods 0.000 description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M7/00—Vibration-testing of structures; Shock-testing of structures
- G01M7/02—Vibration-testing by means of a shake table
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/02—Details
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/02—Details
- G01N3/04—Chucks
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/08—Investigating strength properties of solid materials by application of mechanical stress by applying steady tensile or compressive forces
- G01N3/10—Investigating strength properties of solid materials by application of mechanical stress by applying steady tensile or compressive forces generated by pneumatic or hydraulic pressure
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/20—Investigating strength properties of solid materials by application of mechanical stress by applying steady bending forces
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Abstract
The present invention relates to a kind of ocean tube multifunctional mechanical property test device based on compliant riser, comprising: outer tube assembly；End cover, being used to close the both ends of ocean pipe can be in the second enclosure space that the inside of ocean pipe applies internal pressure with formation；Pin connected assembly comprising ring flange, the both ends of ocean pipe are respectively socketed a ring flange and are pivotally attached on test bracket by the ring flange；With bend test component, it is connected on the ring flange at the both ends of ocean pipe and two ring flanges can be allowed to test the bending property of ocean pipe with bending ocean pipe come back rotation in specific angular range by changing its part length between two ring flanges repeatedly；Wherein, the outer tube assembly is flexible, and to bend while ocean pipe is bent over ocean pipe, outer tube assembly flexible of the invention has better bending property, it is adaptively bent while pipe is bent in ocean with ocean pipe, is able to bear bigger bending.
Description
Technical field
The present invention relates to mechanical property test device field more particularly to a kind of ocean tube multifunctionals based on compliant riser
Mechanical property test device.
Background technique
Off-shore pipeline includes the parts such as the standpipe that sea-bottom oil-gas gathering line, main pipeline and pipeline are connect with platform,
Its effect is to collect the mined petroleum of marine petroleum-gas fiedl or natural gas, transports to the single point mooring of mooring oil carrier
Or transport to land oil, air reservoir station.The conveying technique of off-shore pipeline is identical as land pipelines, but since Field of Ocean Pipeline Engineering is in sea area
Middle progress, therefore the various service loads and environmental load that are subject to are also more more complicated than land.It is continuous with Marine oil and gas resource
Exploration and transport, the demand of off-shore pipeline are also being continuously increased, and off-shore pipeline is that marine oil and gas exploits most important means of transportation,
The safety of its installation process and the stability of working condition are all directly related to the normal exploitation of marine resources.Due to and its it is multiple
Miscellaneous marine environment causes the service load of off-shore pipeline and environmental load extremely complex, such as wind, wave, stream and earthquake.Guarantee
It is to guarantee the necessary guarantee of marine oil and gas exploitation, therefore design that off-shore pipeline still can preferably work under various complex environments
A kind of Mechanics Performance Testing device of ocean pipe seems very necessary.The Chinese patent literature of Publication No. CN107515150A is public
A kind of off-shore pipeline mechanical property integration test experimental provision is opened, including tension/compression testing device, four-point bending test device, outer
Compression testing device, interior compression testing device and groove profile pedestal；Tension/compression testing device includes two be oppositely disposed on groove profile pedestal
Group tension and compression test suite, tension and compression test suite, which is realized, acts the holding action of test pipe fitting and tension and compression；Four-point bending test dress
It sets and realizes that the four-point bending to test pipe fitting is acted on using four-point bending principle；Outer compression testing device is realized to test pipe fitting
Periphery applies external hydraulic pressure, and interior compression testing device realizes that the inner circumferential to test pipe fitting applies internal hydraulic pressure.The invention
Four sets of test sub-devices between do not contact directly, can be optionally combined with other test sub-devices, thus can be realized drawing,
The shortcomings that pressure, curved, inside and outside pressure are optionally combined, improve traditional experiment device to test content unification, assay format is more various
Change, powerful, performance is complete.But this each device not contacted directly is not square enough during combining installation
Just, cumbersome.Therefore, it is necessary to be improved to the prior art.
For flexible pipe joint, the prior art may refer to the design of the ocean Li Xiang cloud non-adherent flexible pipeline joint structure
It is ground with the Dalian analysis and research [D]: Dalian University of Technology, 2014 and Mao Qingkai ocean flexible pipe connector design key problem
Study carefully the Dalian [D]: Dalian University of Technology, 2013.
In addition, on the one hand since the understanding to those skilled in the art has differences；On the other hand since inventor makes
Lot of documents and patent are had studied when of the invention, but length limits and do not enumerate all details and content in detail, however this is absolutely
Non-present invention does not have the feature of these prior arts, and present invention has been provided with all features of the prior art, Er Qieshen
Ask someone to retain the right for increasing related art in the background technology.
Summary of the invention
For the deficiencies of the prior art, the ocean tube multifunctional mechanical property based on compliant riser that the present invention provides a kind of
Experimental rig more particularly to a kind of device with Yu Haiyang's pipe mechanical property test, which is characterized in that the device includes: outer tube
Component, the outer tube assembly be used for by least part of ocean pipe it is closed be coated in it with ocean pipe outer tube assembly between
Being formed can be in external the first enclosure space for applying external pressure of ocean pipe；End cover is used to carry out the both ends of ocean pipe
Closing can be in the second enclosure space that the inside of ocean pipe applies internal pressure to be formed；Pin connected assembly comprising ring flange, ocean pipe
Both ends be respectively socketed a ring flange and be pivotally attached on test bracket by the ring flange；With bend test component, it is connected to
On the ring flange at the both ends of ocean pipe and can by change repeatedly its part length between two ring flanges to
Two ring flanges are allowed to carry out the bending property that back rotation tests ocean pipe in a manner of the pipe of bending ocean in specific angular range；
Wherein, which is flexible, to bend while the pipe bending of ocean with ocean pipe.
According to a preferred embodiment, bend test component includes the first bending hydraulic cylinder, the second bending hydraulic cylinder, the
One rope and the second rope, on the ring flange of the first cylinder body one end for being articulated in Yu Haiyang's pipe in place of the first bending hydraulic cylinder,
On the ring flange for the other end that the First piston bar of first bending hydraulic cylinder is flexibly connected Yu Haiyang's pipe in place by the first rope,
On the ring flange of the second cylinder body one end for being articulated in Yu Haiyang's pipe in place of the second bending hydraulic cylinder, the of the second bending hydraulic cylinder
Two piston rods are flexibly connected on the ring flange of the other end of Yu Haiyang's pipe in place by the second rope, and the first bending liquid
Cylinder pressure and first rope are located at the side of the ocean pipe, and the second bending hydraulic cylinder and second rope are located at institute
State the other side of ocean pipe, wherein repetitive reverse movement is anti-to pass through each other for the first bending hydraulic cylinder and the second bending hydraulic cylinder
Change bend test component again and is located at the part length between two ring flanges to allow two ring flanges in specific angle model
Enclose it is interior come back rotation to test the bending property of ocean pipe.
According to a preferred embodiment, repetitive reverse movement is each other for the first bending hydraulic cylinder and the second bending hydraulic cylinder
Refer to during carrying out bend test to ocean pipe, the first bending hydraulic cylinder and the second bending hydraulic cylinder stretch repeatedly and stretch
Contracting movement is opposite.
According to a preferred embodiment, the outer tube assembly includes flexible outer tube and flexible pipe joint, and the flexibility is outer
The both ends of pipe respectively pass through the connection of flexible pipe joint, and one end of flexible pipe joint is socketed in outside flexible outer tube, flexible outer tube and
Flexible pipe joint bends while ocean pipe is bent over ocean pipe, and flexible outer tube being capable of phase when being bent over
Slide displacement is occurred for flexible pipe joint, the ring flange includes disk body and/or sealed interface, the disk body and the sealing
Interface, which is connected to each other, constitutes an entirety, and the ring flange further includes sleeve joint hole, and the sleeve joint hole is through the disk body and described
Sealed interface is so that the ring flange can be socketed on the pipe of ocean by the sleeve joint hole.
According to a preferred embodiment, flexible pipe joint is non-adherent flexible pipeline joint.
According to a preferred embodiment, which includes tensile compression test component, and tensile compression test component includes first fixed
Frame, the second fixed frame stretch hydraulic cylinder and fixed link, and the stretching hydraulic cylinder includes third cylinder body and third piston rod, described
First fixed frame is by bolt or is threaded on the ring flange of one end of ocean pipe, third cylinder body and third piston
One in bar is connected on the end cover of one end of ocean pipe, another company in third cylinder body and third piston rod
It connects on the first fixed frame, second fixed frame passes through bolt or the flange for being threaded in the other end positioned at ocean pipe
On disk, one end of fixed link is connected on the end cover of the other end of ocean pipe, and the other end of fixed link is connected to
On two fixed frames, the first fixed frame and the second fixed frame are rotated synchronously with the ring flange being attached thereto.
According to a preferred embodiment, which further includes vibration test component, and vibration test component includes pipeline folder
Tool, vibrating hydraulic cylinder and vibrating base, vibrating hydraulic cylinder include the 4th cylinder body and the 4th piston rod, the 4th cylinder body and the 4th piston
One in bar is connected to vibrating base, another in the 4th cylinder body and the 4th piston rod is bolted to pipeline folder
Tool, pipeline jig includes rubber pad and semicircular two pipe clamps, and two pipe clamps are bolted to encircle in flexible outer tube
On, rubber pad pad between pipe clamp and flexible outer tube, vibrating base be arranged at least can with the bending of flexible outer tube phase
For test bracket movement to allow vibrating base to be in the underface of pipeline jig always, so that the device passes through vibration liquid
Stretching repeatedly for cylinder pressure applies vertical oscillating load for ocean pipe.
According to a preferred embodiment, vibrating base is equipped at least three movements for being used to support the vibrating base
Wheel, it is preferable that the movable pulley is universal wheel.
According to a preferred embodiment, the mechanical property test include: inner pressure test, external pressure test, bend test,
At least one of tensile compression test and vibration test, the device individually can carry out inner pressure test, external pressure test, curved to ocean pipe
One of them test in song test, tensile compression test and vibration test, or inner pressure test, external pressure examination are carried out to ocean pipe simultaneously
It tests, any two composite tests tested in bend test, tensile compression test and vibration test, any three combination examinations tested
It tests, the composite test or five kinds of composite tests tested of any four tests.
According to a preferred embodiment, a kind of ocean tube multifunctional mechanical test method based on compliant riser,
A kind of more particularly to method with Yu Haiyang's pipe mechanical property test, which is characterized in that this method the device of the invention is to conduct
The ocean pipe of tests exemplar carries out mechanical property test.
The present invention provide a kind of ocean tube multifunctional mechanical property test device based on compliant riser at least have it is as follows
Advantage:
First, the present invention is by the combination of ring flange and outer tube assembly flexible dexterously by inner pressure test, external pressure test
It is integrated in one with bend test, and is cleverly associated by this several tests by ring flange, simplify structure, also side
Operation；
Second, bend test of the invention is different from four-point bending method, and four-point bending method is in test process bending direction
Specifically, it cannot be bent back and forth, be applied with to simulate realistically marine environment as far as possible to ocean pipe anti-as the present invention
Multiple load, obtains more reliable test data；
Third is tested in pressure-resistant cabin compared to what is referred in background technique, outer tube assembly flexible of the invention
It with better bending property, is adaptively bent, is able to bear bigger curved with ocean pipe while pipe is bent in ocean
Song, and pressure-resistant cabin is limited by volume, bending is also limited；
4th, disclosed in some embodiments in structure, the present invention is by ring flange dexterously by inner pressure test, external pressure
Test, bend test and tensile compression test cleverly associate, and further simplify structure, also facilitate operation；
5th, disclosed in some embodiments in structure, which individually can carry out inner pressure test, outer to ocean pipe
Press the one of them test in test, bend test, tensile compression test and vibration test.Alternatively, the device can be simultaneously to ocean
Pipe carries out the combination examination of any two tests in inner pressure test, external pressure test, bend test, tensile compression test and vibration test
Test, it is any three test composite test, it is any four test composite test and/or five kinds test composite tests.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of a preferred embodiment of the present invention；
Fig. 2 is the schematic diagram of parts thereof of the invention；
Fig. 3 is the partial simplified cross-sectional view of a preferred embodiment of the present invention；
Fig. 4 is the simplified cross-sectional view of a preferred embodiment of ring flange；
Fig. 5 is the schematic diagram of a preferred embodiment of ring flange；
Fig. 6 is the rough schematic view of a preferred embodiment of end cover；With
Fig. 7 is the simplification elevational schematic view of a preferred embodiment of vibrating base.
Reference signs list
100: test bracket 200: 210: the first fixed frame of tensile compression test component
220: the second fixed frames 230: hydraulic cylinder 231: third cylinder body is stretched
232: third piston rod 240: fixed link 300: bend test component
310: the first bending 311: the first cylinder bodies 312 of hydraulic cylinder: First piston bar
320: the second bending 321: the second cylinder bodies 322 of hydraulic cylinder: second piston bar
330: the first rope, 340: the second rope 400: vibration test component
410: pipeline jig 420: 421: the four cylinder body of vibrating hydraulic cylinder
422: the four piston rods 430: vibrating base 431: movable pulley
500: outer tube assembly 510: flexible outer tube 520: flexible pipe joint
600: ocean pipe 700: 710: the first sealing ring of pin connected assembly
720: the second sealing rings 730: ring flange 731: disk body
732: sealed interface 733: sleeve joint hole 740: flange clamp
741: the first mounting base, 742: the second mounting base 743: removable deck
800: end cover 810: third sealing ring
Specific embodiment
It is described in detail with reference to the accompanying drawing.
Embodiment 1
This embodiment disclose a kind of ocean tube multifunctional mechanical property test device based on compliant riser, in other words one
The device of Yu Haiyang's pipe mechanical property test is planted, in other words a kind of mechanical property test device, in other words a kind of test pipeline
Mechanical property device, these types of title can equivalent replacement each other, in the present invention, device, the present apparatus or the device
Statement be these types of title abbreviation.In the case where not causing conflict or contradictory situation, the preferred implementation of other embodiments
The entirety and/or partial content of mode can be used as the supplement of the present embodiment.
According to a preferred embodiment, referring to Fig. 1,2 and 3, which includes: test bracket 100, tensile compression test component
200, in bend test component 300, vibration test component 400, outer tube assembly 500, pin connected assembly 700 and end cover 800
At least one.Outer tube assembly 500 can be used for being coated at least part of ocean pipe 600 is closed in it.As a result, in sea
Being formed between foreign pipe 600 and outer tube assembly 500 can be in external the first enclosure space for applying external pressure of ocean pipe 600.Sealed end
Lid 800 can be used for closing the both ends of ocean pipe 600 to form can apply internal pressure in the inside of ocean pipe 600 second
Enclosure space.Pin connected assembly 700 may include ring flange 730, referring to Fig. 3,4 and 5.The both ends of ocean pipe 600 can be respectively socketed
One ring flange 730 and test bracket 100 is pivotally attached to by the ring flange 730.Bend test component 300 can connect in being located at
And it can be by changing its part length between two ring flanges 730 repeatedly on the ring flange 730 at the both ends of ocean pipe 600
Ocean pipe is tested in a manner of bending ocean pipe 600 to allow two ring flanges 730 to carry out back rotation in specific angular range
600 bending property.The outer tube assembly 500 can be flexible.As a result, with while ocean pipe 600 is bent over ocean
Pipe 600 bends.Preferably, during the test, test bracket 100 can be set to fix relative to ground.Or
Say, during the test, test bracket 100 can be it is affixed on the ground.Preferably, in the present invention, flexible outer tube can
To refer to flexible outer tube.The present invention at least can be realized following advantageous effects using this mode: first, the present invention passes through method
Inner pressure test, external pressure test and bend test are dexterously integrated in one by the combination of blue disk and outer tube assembly flexible；Second,
Bend test of the invention is different from four-point bending method, four-point bending method in test process bending direction be it is specific, cannot picture
The present invention is the same to be bent back and forth, to simulate realistically the alternate load that marine environment applies to ocean pipe as far as possible, is obtained more
Reliable test data；Third is tested in pressure-resistant cabin compared to what is referred in background technique, and of the invention is flexible outer
Tube assembly has better bending property, is adaptively bent while in ocean, pipe 600 is bent over ocean pipe 600, can
Bigger bending is born, and pressure-resistant cabin is limited by volume, bending is also limited.
According to a preferred embodiment, bend test component 300 may include that the first bending hydraulic cylinder 310, second is curved
At least one of bent hydraulic cylinder 320, the first rope 330 and second rope 340.First cylinder body of the first bending hydraulic cylinder 310
311 can be articulated on the ring flange 730 of one end of Yu Haiyang's pipe 600 in place.The First piston bar of first bending hydraulic cylinder 310
On the ring flange 730 of 312 other ends that can be flexibly connected Yu Haiyang's pipe 600 in place by the first rope 330.Second bending liquid
Second cylinder body 321 of cylinder pressure 320 can be articulated on the ring flange 730 of one end of Yu Haiyang's pipe 600 in place.Second bending is hydraulic
The second piston bar 322 of cylinder 320 can be flexibly connected the flange of the other end of Yu Haiyang's pipe 600 in place by the second rope 340
On disk 730.First bending hydraulic cylinder 310 and the first rope 330 can be located at the side of ocean pipe 600.Second bending hydraulic cylinder
320 and second rope 340 can be located at ocean pipe 600 the other side.First bending hydraulic cylinder 310 and the second bending hydraulic cylinder
320 repetitive reverse can act by changing portion of the bend test component 300 between two ring flanges 730 repeatedly each other
Part length is to allow two ring flanges 730 to carry out back rotation in specific angular range to test the bending property of ocean pipe 600.
Preferably, repetitive reverse movement can refer to the first bending liquid each other for the first bending hydraulic cylinder 310 and the second bending hydraulic cylinder 320
Flexible and expanding-contracting action is opposite repeatedly for cylinder pressure 310 and the second bending hydraulic cylinder 320.That is, the first of the first bending hydraulic cylinder 310
The second piston bar of second bending hydraulic cylinder 320 inwardly bounces back when piston rod is protruding.Alternatively, the first bending hydraulic cylinder 310
First piston bar second bending hydraulic cylinder 320 when inwardly bouncing back second piston bar it is protruding.The present invention uses this mode
It at least can be realized following advantageous effects: first, the present invention is using 330 groups of the first bending hydraulic cylinder 310 and the first rope
It closes and the second bending hydraulic cylinder 320 and the combined setting of the second rope 340, allows to select the hydraulic cylinder of overlength
Meet the connection between two ring flanges, save the cost；Second, due to the first bending hydraulic cylinder 310 and the second bending hydraulic cylinder
320 be respectively by the first rope and the flexible connection of the second rope on the ring flange 730 of the other end, it is opposite in two ring flanges
During rotation, the first rope or the second rope flexible can eliminate most of radial force by the deformation of its own, allow the
One piston rod 312 or second piston bar 322 are primarily subjected to the axial force of telescopic direction, and severe operating condition is avoided to allow the first bending liquid
Cylinder pressure 310 and the second bending premature damage of hydraulic cylinder 320, so that reliability of the invention is stronger.
Preferably, which is used to be coated at least part of ocean pipe 600 is closed in it with can be for it
Offer can refer to for the external pressure of test provides external pressure for the part of ocean pipe 600 being covered by outer tube assembly 500.It is excellent
Selection of land, the device for the part of ocean pipe 600 being covered by outer tube assembly 500 provide external pressure can be by inject it is hydraulic
Oil or water.
According to a preferred embodiment, outer tube assembly 500 may include flexible outer tube 510 and/or flexible pipe joint
520.The both ends of flexible outer tube 510 can respectively be connected by a flexible pipe joint 520.One end of flexible pipe joint 520 can be with
It is socketed in outside flexible outer tube 510.Flexible outer tube 510 and flexible pipe joint 520 are while ocean pipe 600 can be bent over sea
Foreign pipe 600 bends.Relative to flexible pipe joint 520 slide displacement can occur for flexible outer tube 510 when being bent over.Method
Blue disk 730 may include disk body 731 and/or sealed interface 732.Disk body 731 and sealed interface 732 can be connected to each other composition one
A entirety.Ring flange 730 may include sleeve joint hole 733.Sleeve joint hole 733 can be through disk body 731 and sealed interface 732 so that method
Blue disk 730 can be socketed on ocean pipe 600 by sleeve joint hole 733.It can be gap between sleeve joint hole 733 and ocean pipe 600
Cooperation is applied to ocean pipe 600 during ocean pipe 600 undergoes tensile compression test with the sleeve joint hole 733 for reducing ring flange 730
Influence its deformation resistance.Flexible pipe joint 520 can cover outside ocean pipe 600.It is stifled that sealed interface 732 can be used as plug
With formed between ocean pipe 600 and outer tube assembly 500 can be in gap between flexible pipe joint 520 and ocean pipe 600
External the first enclosure space for applying external pressure of ocean pipe 600.Preferably, it can be equipped between ring flange 730 and ocean pipe 600
At least one first sealing ring 710 is to realize dynamic sealing between the two.It can be between ring flange 730 and flexible pipe joint 520
Equipped at least one second sealing ring to realize static seal between the two.It can be equipped between end cover 800 and ocean pipe
At least one third sealing ring is to realize static seal between the two.Referring to Fig. 3 and 6, end cover 800 can be equipped with for pacifying
Fill the groove of third sealing ring.Preferably, for example, the number of first, second and/or third sealing ring of the invention can be one
It is a, two, three, four, five or more.Multiple sealing rings can be intervally installed.The present invention uses this mode
It at least can be realized following advantageous effects: first, flexible outer tube 510 and flexible pipe joint 520 are bent in ocean pipe 600
While bend with ocean pipe 600 so that ocean pipe 600 during tested person have the bigger curved space；Second,
It is clearance fit loose fit in other words between sleeve joint hole 733 and ocean pipe 600 of the invention, to reduce the set of ring flange 730
Connect the resistance that hole 733 is applied to its deformation of the influence of ocean pipe 600 during ocean pipe 600 undergoes tensile compression test.
According to a preferred embodiment, flexible pipe joint 520 can be non-adherent flexible pipeline joint.The present invention can be with
Using the structure of the flexible pipe joint of existing maturation.The both ends of flexible outer tube 510 are connected to flexible pipe joint 520.It is flexible outer
Pipe and flexible pipe joint have been widely applied in ocean engineering, and the connection type of flexible outer tube 510 and flexible pipe joint 520 is
The prior art or well-known technique.For instance, it is preferred that flexible pipe joint 520 can be according to regulation API Spec.17J and/or
The non-adherent flexible pipeline joint of API RP 17B.It, can preferably for the structure and connection type of existing flexible pipe joint
To study the Dalian [D]: Dalian University of Technology referring to the ocean Li Xiang cloud non-adherent flexible pipeline joint structure design and analysis,
The Dalian 2014 and/or Mao Qingkai ocean flexible pipe connector design key Study on Problems [D]: Dalian University of Technology, 2013 are
Briefly, full text is incorporated herein by reference.It should be noted that the flexible pipe joint in attached drawing 2 and 3 of the present invention
520 cross-sectional view is only illustrative, rather than practical structures, is only the opposite of surface flexible pipe fitting 520 and flexible outer tube 510
Position and connection relationship.Preferably, flexible pipe joint 520 can be the flexibility of Technip, Wellstrea and/or NKT company
Pipe fitting.According to a preferred embodiment, the apparatus may include tensile compression test components 200.Tensile compression test component 200 can be with
Including the first fixed frame 210, the second fixed frame 220, stretch at least one of hydraulic cylinder 230 and fixed link 240.It stretches hydraulic
Cylinder 230 may include third cylinder body 231 and/or third piston rod 232.First fixed frame 210 can pass through bolt or screw thread
It is connected on the ring flange 730 of one end of ocean pipe 600.One in third cylinder body 231 and third piston rod 232 can be with
It is connected on the end cover 800 of one end of ocean pipe 600.Another in third cylinder body 231 and third piston rod 232
It can connect on the first fixed frame 210.Second fixed frame 220 can by bolt or be threaded in positioned at ocean manage
On the ring flange 730 of 600 other end.One end of fixed link 240 can connect the sealing of the other end of Yu Haiyang's pipe 600 in place
On end cap 800.The other end of fixed link 240 can connect on the second fixed frame 220.First fixed frame 210 and second is fixed
Frame 220 can be rotated synchronously with the ring flange 730 being attached thereto.As a result, so that the device is bent to ocean pipe 600
Also tensile compression test is able to carry out while test.The present invention at least can be realized following advantageous effects using this mode: the
On the ring flange at the both ends that one fixed frame 210 and the second fixed frame 220 are separately mounted to ocean pipe, 210 He of the first fixed frame is allowed
Second fixed frame 220 can be rotated synchronously with the ring flange 730 being attached thereto, and at this moment, stretched hydraulic cylinder 230 and still met operation item
Part can synchronize when needed and carry out tensile compression test and vibration test.
According to a preferred embodiment, the apparatus may include vibration test components 400.Vibration test component 400 can
To include at least one of pipeline jig 410, vibrating hydraulic cylinder 420 and vibrating base 430.Vibrating hydraulic cylinder 420 can wrap
Include the 4th cylinder body 421 and/or the 4th piston rod 422.One in 4th cylinder body 421 and the 4th piston rod 422 can connect in
Vibrating base 430.Another in 4th cylinder body 421 and the 4th piston rod 422 can be bolted to pipeline jig
410.Pipeline jig 410 may include rubber pad 411 and/or semicircular two pipe clamps 412.Two pipe clamps 412 can pass through
It is bolted to encircle on flexible outer tube 510.Rubber pad 411 can pad between pipe clamp 412 and flexible outer tube 510.Vibration
Pedestal 430 can be set at least vibrate with the bending of flexible outer tube 510 relative to the movement of test bracket 100 to allow
Pedestal 430 is in the underface of pipeline jig 410 always.So that the device stretching repeatedly by vibrating hydraulic cylinder 420
Apply vertical oscillating load for ocean pipe 600.Preferably, can be equipped with referring to Fig. 7, on vibrating base 430 at least three or
Person at least four is used to support the movable pulley 431 of the vibrating base 430.Especially preferably, movable pulley 431 can be universal wheel.
Preferably, vibration test is not unique title, and in some cases, vibration test is referred to as fatigue test.Fatigue
Test is to be vibrated for a long time using vibrating hydraulic cylinder with certain frequency, to realize fatigue test.The present invention uses this mode
At least can be realized following advantageous effects: first, vibrating base 430 of the invention be arranged at least can be with flexibility outside
The bending of pipe 510 and it is mobile relative to test bracket 100 so that vibrating base of the present invention 430 is always in pipeline jig 410
Underface so that the device to ocean pipe 600 carry out bend test while can also pass through vibrating hydraulic cylinder 420
Stretch repeatedly and apply vertical oscillating load for ocean pipe 600 and carry out vibration test；Second, structure of the invention makes the dress
Ocean pipe can be carried out in inner pressure test, external pressure test, bend test, tensile compression test and vibration test a moment by setting
At least one.That is, the device can individually carry out inner pressure test, external pressure test, bend test, tensile compression test and vibration test
In one of them test, or carry out in inner pressure test, external pressure test, bend test, tensile compression test and vibration test simultaneously
It is any two test composite tests, it is any three test composite test, it is any four test composite test or five
The composite test of kind test, this is that existing product institute is irrealizable.The present invention be also not kinds of experiments device be simply provided in
The simple combination of the same frame body.If will to ocean pipe carry out inner pressure test, external pressure test, bend test, tensile compression test and
The experimental provision of vibration test is only mounted on the same test bracket 100, then there are spaces to account between experimental configuration matter
The defect applied jointly is difficult to big and each test load.And the present invention passes through the combination of ring flange and outer tube assembly flexible
Dexterously inner pressure test, external pressure test, tensile compression test and bend test are integrated in one, outer tube assembly flexible make it possible to from
Outside applies the external force of bend test and the external force of vibration test without that will apply bend test and vibration test to ocean pipe
Structure be placed in ocean pipe and be coated on outside the pipe of ocean for for ocean pipe apply external pressure outer tube between so that equipment
It being capable of smallerization.And the structure for applying bend test and vibration test can be also in macroscopic region, if this
A little device fails and do not work, can be directly from external observation to preventing from applying bend test and vibration to be handled
The structure of dynamic test is integrated in pipe and can not observe whether corresponding structure goes wrong.Ring flange of the invention is i.e. as sea
Ocean pipe and flexible outer tube are installed to the connecting component of test bracket, with the connection structure of ocean pipe also allow ocean pipe relative to
Longitudinal deformation occurs in it, to carry out tensile compression test.According to a preferred embodiment, pin connected assembly 700 may include flange
Fixture 740.Flange clamp 740 may include the first mounting base 741, the second mounting base 742 and/or removable deck 743.First peace
Dress seat 741 and/or the second mounting base 742 can be fixed on test bracket 100.First mounting base 741 can be set to the second peace
Fill the underface of seat 742.First mounting base 741 can have whole pivoted hole.Removable deck 743 can be removable by bolt
It unloads and is connected in the second mounting base 742 so that pivoted hole is collectively formed.Drive-connecting shaft there are two being set on ring flange 730.Ring flange
730 can be by the cooperation of drive-connecting shaft and pivoted hole so that ring flange 730 is pivotally attached on test bracket 100.The present invention uses this
Mode at least can be realized following advantageous effects: first, under gravity, underlying first mounting base is opposite
Bigger external force can be born in the second mounting base, therefore underlying first mounting base 740 has whole pivoted hole, so that
The structure is hardly damaged, more reliably；Second, the second mounting base 742 and removable deck above the first mounting base 741
743 are detachably connected by bolt pivoted hole is collectively formed, convenient for the dismounting of ring flange 730.
Preferably, in the present invention, affixed to refer to by permanently connected or be detachably connected the fixed of composition and connect
Connect mode.For example, it is affixed can refer at least one of be connected through a screw thread, weld, be bonded, rivet and be clamped.
According to a preferred embodiment, at least part of the ocean pipe 600 of required acceptance test or test can
To be placed in inside flexible outer tube 510.Flexible outer tube 510 can be fixed by flexible pipe joint 520.Flexible pipe joint
It can be bolted between 520 and ring flange 730.Pin connected assembly 700 may include the sealing of the first sealing ring 710, second
Enclose at least one of 720 and ring flange 730.Between ring flange 730 and ocean pipe 600 can by be arranged at least one first
Sealing ring 710 realizes sealing.It can be by the way that at least one second sealing ring be arranged between flexible pipe joint 520 and ring flange 730
720 realize sealing.The both ends of ocean pipe 600 can be provided with internal screw thread.It can be equipped on end cover 800 and be managed with ocean
The external screw thread of internal screw thread adaptation on 600 both ends.It can be connected as a result, by screw thread between end cover 800 and ocean pipe 600
It connects.Third sealing ring 810 can be equipped on end cover 800.Third sealing ring 810 can be located at end cover 800 and ocean
For sealing between the two between pipe 600.
According to a preferred embodiment, ocean pipe 600 can be actively socketed on ring flange 730 and/or flexible outer tube 510
It is interior.Tensile compression test component 200 may include the first fixed frame 210, the second fixed frame 220, stretch hydraulic cylinder 230 and/or fix
Bar 240.First fixed frame 210 by bolt or can be threaded in ring flange 730 positioned at one end of ocean pipe 600.
Stretching hydraulic cylinder 230 may include third cylinder body 231 and/or third piston rod 232.Third cylinder body 231 and third piston rod 232
In one can connect in end cover 800.Another in third cylinder body 231 and third piston rod 232 can connect in
First fixed frame 210.The device can be hydraulic by the stretching being set between the first fixed frame 210 and end cover 800 as a result,
The flexible of cylinder 230 compresses or stretches ocean pipe 600 to carry out tensile compression test.
According to a preferred embodiment, vibration test component 400 may include pipeline jig 410 and/or vibrating hydraulic
Cylinder 420.Vibrating hydraulic cylinder 420 may include the 4th cylinder body 421 and/or the 4th piston rod 422.4th cylinder body 421 and the 4th is living
One in stopper rod 422 can be relatively fixed with test bracket 100.Another in 4th cylinder body 421 and the 4th piston rod 422
It can be bolted to pipeline jig 410.Pipeline jig 410 may include rubber pad 411 and/or semicircular two pipes
Card 412.Two pipe clamps 412 can be bolted to encircle on flexible outer tube 510.Rubber pad 411 can be padded in pipe clamp
Between 412 and flexible outer tube 510.
According to a preferred embodiment, which can pressurize in ocean pipe 600.The device can also be outside flexibility
It also pressurizes in pipe 510.As a result, to realize the test of ocean pipe resistance to pressure in the interior external pressurized of ocean pipe.Resistance to pressure test can wrap
Include inner pressure test and external pressure test.Inner pressure test can be into ocean pipe 600 through input pressure medium so that pressure reaches
First preset pressure is to detect the test of the sealing performance and at least one of mechanical property of ocean pipe.External pressure test can be with
It is by input pressure medium into flexible outer tube 510 so that pressure reaches the second preset pressure to detect the sealing of ocean pipe
The test of at least one of performance and mechanical property.According to different test needs, the first preset pressure can be equal to second
Preset pressure, alternatively, the first preset pressure can be different from the second preset pressure.Bend test, which can be, allows two ring flanges to exist
Carry out back rotation in specific angular range and makes ocean pipe alternating bending to test the test of the bending property of ocean pipe.Tension and compression examination
Testing can be by applying stretching or compressing force to ocean pipe to test the test of the mechanical property of ocean pipe.
According to a preferred embodiment, the present invention primarily focuses on the structure improvement to device itself.It is wanted according to test
The common knowledge for determining that the installation site of various strain-ga(u)ge transducers and installation method belong to this field is sought, the present invention does not do this
Many and diverse description.
Embodiment 2
This embodiment disclose a kind of ocean tube multifunctional mechanical test method based on compliant riser, in other words one
The method of kind of Yu Haiyang's pipe mechanical property test, in other words a kind of mechanical test method, in other words a kind of test pipeline
Mechanical property method, these types of title can equivalent replacement each other.In the case where not causing conflict or contradictory situation, other
The entirety and/or partial content of the preferred embodiment of embodiment can be used as the supplement of the present embodiment.
According to a preferred embodiment, the device of the invention is can be used to the ocean pipe as tests exemplar in this method
600 carry out mechanical property test.Mechanical property test may include: inner pressure test, external pressure test, bend test, tensile compression test
At least one of with vibration test.The device individually can carry out inner pressure test, external pressure test, bending examination to ocean pipe 600
It tests, the one of them test in tensile compression test and vibration test.Alternatively, the device can carry out internal pressure to ocean pipe 600 simultaneously
The composite tests, three any of any two tests in test, external pressure test, bend test, tensile compression test and vibration test
The composite test of the composite test of test, the composite test of any four tests and/or five kinds of tests.
It should be noted that above-mentioned specific embodiment is exemplary, those skilled in the art can disclose in the present invention
Various solutions are found out under the inspiration of content, and these solutions also belong to disclosure of the invention range and fall into this hair
Within bright protection scope.It will be understood by those skilled in the art that description of the invention and its attached drawing are illustrative and are not
Constitute limitations on claims.Protection scope of the present invention is defined by the claims and their equivalents.
Claims (10)
1. a kind of ocean tube multifunctional mechanical property test device more particularly to a kind of Yu Haiyang Guan Li based on compliant riser
Learn the device of performance test, which is characterized in that the device includes:
Outer tube assembly (500), at least part of the outer tube assembly (500) for (600) to be managed in ocean is closed to be coated in it
It is formed between (600) and outer tube assembly (500) to be managed in ocean and external first closing for applying external pressure of (600) can be managed in ocean
Space；
End cover (800) is used to close to be formed and can manage the interior of (600) in ocean the both ends that (600) are managed in ocean
The second enclosure space that portion applies internal pressure；
Pin connected assembly (700) comprising ring flange (730), ocean pipe (600) both ends be respectively socketed a ring flange (730) and
It is pivotally attached on test bracket (100) by the ring flange (730)；With
Bend test component (300) is connected on the ring flange (730) at the both ends of ocean pipe (600) and can pass through anti-
Change its part length between two ring flanges (730) again to allow two ring flanges (730) in specific angle model
Enclose it is interior come back rotation by bending ocean manage (600) in a manner of test ocean pipe (600) bending property；
Wherein, which is flexible, curved with ocean pipe (600) generation while to manage (600) bending in ocean
It is bent.
2. the apparatus according to claim 1, which is characterized in that bend test component (300) includes the first bending hydraulic cylinder
(310), the second bending hydraulic cylinder (320), the first rope (330) and the second rope (340), the first bending hydraulic cylinder (310)
First cylinder body (311) is articulated on the ring flange (730) of one end that Yu Haiyang in place manages (600), the first bending hydraulic cylinder (310)
First piston bar (312) be flexibly connected the ring flange that Yu Haiyang in place manages the other end of (600) by the first rope (330)
(730) on, the second cylinder body (321) of the second bending hydraulic cylinder (320) is articulated in the flange that Yu Haiyang in place manages the one end of (600)
On disk (730), the second piston bar (322) of the second bending hydraulic cylinder (320) is being located at by the second rope (340) flexible connection
Ocean is managed on the ring flange (730) of the other end of (600), and first bending hydraulic cylinder (310) and first rope
(330) it is located at the side of ocean pipe (600), second bending hydraulic cylinder (320) and second rope (340) are located at
The other side of the ocean pipe (600), wherein the first bending hydraulic cylinder (310) and the second bending hydraulic cylinder (320) repeat each other
Counteragent with by change repeatedly part length that bend test component (300) are located between two ring flanges (730) to
Two ring flanges (730) are allowed to carry out back rotation in specific angular range to test the bending property of ocean pipe (600).
3. device according to one of the preceding claims, which is characterized in that the first bending hydraulic cylinder (310) and the second bending
Repetitive reverse movement refers to during managing (600) progress bend test to ocean hydraulic cylinder (320) each other, the first bending liquid
Flexible and expanding-contracting action is opposite repeatedly for cylinder pressure (310) and the second bending hydraulic cylinder (320).
4. device according to one of the preceding claims, which is characterized in that the outer tube assembly (500) includes flexible outer tube
(510) and flexible pipe joint (520), the both ends of the flexible outer tube (510) respectively pass through flexible pipe joint (520) connection,
One end of flexible pipe joint (520) is socketed in flexible outer tube (510) outside, and flexible outer tube (510) and flexible pipe joint (520) are in sea
It bends while ocean pipe (600) is bent over ocean pipe (600), and flexible outer tube (510) can when being bent over
Slide displacement occurs relative to flexible pipe joint (520), the ring flange (730) includes disk body (731) and/or sealed interface
(732), the disk body (731) and the sealed interface (732), which are connected to each other, constitutes an entirety, and the ring flange (730) is also
Including sleeve joint hole (733), the sleeve joint hole (733) is through the disk body (731) and the sealed interface (732) so that the method
Blue disk (730) can be socketed on ocean pipe (600) by the sleeve joint hole (733).
5. device according to one of the preceding claims, which is characterized in that the flexible pipe joint (520) is that non-adherent is soft
Property pipe joint.
6. device according to one of the preceding claims, which is characterized in that the device includes tensile compression test component (200),
Tensile compression test component (200) includes the first fixed frame (210), the second fixed frame (220), stretches hydraulic cylinder (230) and fixed link
(240), the stretching hydraulic cylinder (230) includes third cylinder body (231) and third piston rod (232), first fixed frame
(210) pass through bolt or be threaded on the ring flange (730) of one end of ocean pipe (600), third cylinder body (231)
It is connected on the end cover (800) of one end of ocean pipe (600) with one in third piston rod (232), third cylinder
Another in body (231) and third piston rod (232) is connected on the first fixed frame (210), second fixed frame (220)
By bolt or it is threaded on the ring flange (730) of the other end of ocean pipe (600), the one of fixed link (240)
End is connected on the end cover (800) of the other end of ocean pipe (600), and the other end of fixed link (240) is connected to the
On two fixed frames (220), the first fixed frame (210) turns with the second fixed frame (220) with ring flange (730) that are attached thereto are synchronous
It is dynamic.
7. device according to one of the preceding claims, which is characterized in that the device further includes vibration test component
(400), vibration test component (400) includes pipeline jig (410), vibrating hydraulic cylinder (420) and vibrating base (430), vibration
Hydraulic cylinder (420) includes the 4th cylinder body (421) and the 4th piston rod (422), the 4th cylinder body (421) and the 4th piston rod (422)
In one be connected to vibrating base (430), another in the 4th cylinder body (421) and the 4th piston rod (422) passes through bolt
It being connected to pipeline jig (410), pipeline jig (410) includes rubber pad (411) and semicircular two pipe clamps (412), and two
Pipe clamp (412) is bolted to encircle on flexible outer tube (510), and rubber pad (411) pads outside pipe clamp (412) and flexibility
It manages between (510), vibrating base (430) is arranged at least can be with the bending of flexible outer tube (510) and relative to test branch
Frame (100) is mobile to allow vibrating base (430) to be in the underface of pipeline jig (410) always, so that the device passes through
Stretching repeatedly for vibrating hydraulic cylinder (420) manages the vertical oscillating load of (600) application for ocean.
8. device according to one of the preceding claims, which is characterized in that vibrating base (430) is equipped at least three and uses
In the movable pulley (431) for supporting the vibrating base (430), it is preferable that the movable pulley (431) is universal wheel.
9. device according to one of the preceding claims, which is characterized in that the mechanical property test includes: internal pressure examination
It tests, external pressure test, bend test, at least one of tensile compression test and vibration test, which can individually manage ocean
(600) the one of them test in inner pressure test, external pressure test, bend test, tensile compression test and vibration test, Huo Zhetong are carried out
When inner pressure test, external pressure test, bend test, any two in tensile compression test and vibration test are carried out to ocean pipe (600)
The composite test of test, the composite test of any three tests, the composite test of any four tests or the group of five kinds of tests
Close test.
10. a kind of ocean tube multifunctional mechanical test method based on compliant riser more particularly to a kind of being managed with Yu Haiyang
The method of mechanical property test, which is characterized in that this method uses the device as described in one of claim 1 to 9 to as examination
The ocean pipe (600) for testing exemplar carries out mechanical property test.
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|---|---|---|---|
| CN201910643359.3A CN110220772B (en) | 2019-07-16 | 2019-07-16 | Multifunctional mechanical property test device for marine pipe based on flexible vertical pipe |
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|---|---|---|---|
| CN201910643359.3A CN110220772B (en) | 2019-07-16 | 2019-07-16 | Multifunctional mechanical property test device for marine pipe based on flexible vertical pipe |
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| CN110220772A true CN110220772A (en) | 2019-09-10 |
| CN110220772B CN110220772B (en) | 2020-06-09 |
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