CN206074359U - A kind of ocean engineering compliance umbilical stretch bending combined experimental device - Google Patents
A kind of ocean engineering compliance umbilical stretch bending combined experimental device Download PDFInfo
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- CN206074359U CN206074359U CN201621103505.1U CN201621103505U CN206074359U CN 206074359 U CN206074359 U CN 206074359U CN 201621103505 U CN201621103505 U CN 201621103505U CN 206074359 U CN206074359 U CN 206074359U
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- link
- quadrilateral frame
- umbilical
- swivel
- frame
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Abstract
The utility model discloses a kind of ocean engineering compliance umbilical stretch bending combined experimental device includes fixing swivel, four-point bending girder device and axial tension device.Experimental provision of the present utility model fully combines the respective advantage of four-point bending and uni-axial tensile testing equipment, make umbilical in interlude only by pure bending load and tensile load, realize stretch bending combined load ideally, this experimental provision has multifunctionality and detachability concurrently, four-point bending experiment and uni-axial tensile testing can be carried out respectively and is independent of each other so that " a machine three-use ".
Description
Technical field
This utility model is related to ocean engineering compliance umbilical experiment field, specifically a kind of ocean engineering compliance
Umbilical stretch bending combined experimental device.
Background technology
China's Marine oil and gas resource rich reserves, and great majority are distributed in the deep water sea areas such as the South Sea.And extra large cable, umbilical cables with
And flexible duct etc. is the equipment do not opened or lack in deep-sea oil gas exploitation.This kind of equipment can be collectively referred to as ocean compliance umbilical, its
Structure is generally made up of corresponding building blocks of function and stiffener such as armouring wire etc..For different engineering demands, should select
The umbilical of corresponding function；Extra large cable is mainly responsible for seabed production equipment and provides electric energy, and umbilical cables mainly provide water floating body with sea
The correlation function such as electric power, signal transmission between the equipment of bottom, flexible duct are mainly responsible for the oil-gas transportation between equipment.Ocean is flexible
Umbilical is in installation or operating mode in place, it will usually be stretched bending combined load.As compliance umbilical is from as complexity
Spiral winding structure, the mutual friction behavior between bending load lower member is by the impact of obvious under tension size, its umbilical
The mechanical behavior of sign will be extremely complex.Simultaneously as the effect of stormy waves stream, and platform is reciprocal under complicated marine environment
Motion, the umbilical for being connected to buoyancy aid will be presented the behavior of alternating bending, and then produce fatigue damage, cause fatigue rupture.Fatigue
The service life of umbilical is concerned directly, it is based on S-N Curve generally to adopt in the Calculation of Fatigue Life of ocean structure
Miner fatigue damage accumulation methods.And, the service life Shi Ge great manufacturer of umbilical and the most concerned property of design organization
Can one of parameter, therefore, the research of umbilical fatigue problem is very important important step in umbilical design cycle.
For the problems referred to above, theoretical and numerical method is often difficult to umbilical agenda under the accurate description combined load.
Therefore, the response of structure after behavior, and fatigue failure mechanism and failure is combined to study umbilical stretch bending in detail, is needed
Stretch bending combine analog experiment is carried out to ocean flexible pipe cable danger section by test method.Set so as to be extracted by experimental result
Meter rule, the in time probability destroyed during reducing umbilical use and the whole umbilical service life of monitoring umbilical guarantee.It is flexible
The stretch bending combined test of umbilical is the most important test to its practical situations, as the research of domestic flexible pipe cable is still in
Starting state, without related experiment experience, needs a set of complete experimental provision badly to carry out umbilical test and checking.And then research pipe
Cable mechanical behavior feature and fatigue failure mechanism, so as to grasp the stretch bending or fatigue test key technology of dynamic standpipe/cable, while
Correlation performance parameters (rigidity, the intensity and fatigue) design of checking umbilical.
Utility model content
According to technical problem set forth above, and provide a kind of ocean engineering compliance umbilical stretch bending combined experimental device.
According to actual condition, using the equivalent method of load, ocean flexible pipe cable is carried out in the range of certain bending radius stretching and
Alternating bending.Therefore repeated bending test equipment needs to bring it about oscillation cycle bending change comprising stretcher and applying moment of flexure
The equipment of shape.In addition, experimentation needs to configure measuring apparatus, such as foil gauge or sensor etc. to extract umbilical repeatedly
BENDING PROCESS relevant parameter index (middle or direct physical quantity).Umbilical stretch bending group practicess flow process is generally as follows：Take
Sample, fixation, pieces of cloth, loading, measurement and post processing mode expansion.Experiment will formulate corresponding testing scheme and to umbilical sample before starting
Product are chosen, and then umbilical to be tested is fixed on test stand, carry out foil gauge in test position according to requirement of experiment
Arrangement, and it is coupled with data acquisition equipment.Guarantee the errorless rear start-up loading equipment of aforesaid operations, while Real-time Collection is related
Data.Finally, the data obtained is analyzed and processes and formed perfect laboratory report.
The technological means that this utility model is adopted are as follows：
A kind of ocean engineering compliance umbilical stretch bending combined experimental device, including fixed swivel, four-point bending truss
Device and axial tension device,
The four-point bending girder device includes actuator I, link, quadrilateral frame I and quadrilateral frame II, described
Link is in that the bottom surface of tetrapyamid shape and the link is rectangular, and the summit of the link is on the bottom surface of the link
Orthographic projection and the bottom surface of the link center superposition, four summits of the bottom surface of the link be respectively equipped with it is described
The threaded rod of the axis place straight line parallel of link, the summit of the quadrilateral frame I pass through the threaded rod and institute respectively
State link to be fixedly connected, the summit of the quadrilateral frame II is slidably connected with the link by the threaded rod respectively
Connect, the side away from the quadrilateral frame I of the quadrilateral frame II is provided with the nut matched with the threaded rod, institute
The summit for stating link is provided with the outfan of the actuator I, and the axle of the outbound course of the actuator I and the link
Line is located along the same line,
The axial tension device includes the removable swivel being oppositely arranged with the fixed swivel, retaining rail
Guidance tape and actuator II, the axle of the line of the fixed swivel and the removable swivel perpendicular to the link
Line place straight line,
The quadrilateral frame I and the quadrilateral frame II are equipped with concave surface along the pole that the line direction arranges
Roller,
The quadrilateral frame I and the quadrilateral frame II are parallel with the bottom surface of the link,
In the joint Plane of rotation of the fixed swivel and the removable swivel is generally aligned in the same plane, and institute
The axis place straight line for stating link is located in the plane,
The retaining rail guidance tape is provided with two pilot holes for making the removable swivel slide along the line direction,
The removable swivel is connected with the pilot hole by connecting pole, and the removable swivel turns away from the fixation
The side of dynamic joint is connected with the outfan of the actuator II.
The concave surface of the concave roll is in circular arc, and radius of curvature is 500mm.
This utility model has advantages below：
1) experimental provision of the present utility model fully combines the respective advantage of four-point bending and uni-axial tensile testing equipment,
Make umbilical in interlude only by pure bending load and tensile load, realize stretch bending combined load ideally；
2) for different length, the umbilical of diameter, can be adjusted by nut quadrilateral frame I and quadrilateral frame II it
Between distance, with superior motility；
3) this experimental provision is succinct, only relies on actuator for power resources, realization stretching and alternating bending collective effect.And
And, both separate applyings that can effectively control respective load.Meanwhile, can realize adding according to engineering and design requirement
Any conversion of load order；
4) four-point bending adopts truss structure, simple light, material-saving, on the premise of integral rigidity and intensity is ensured
Efficiently reduce overall structure weight；
5), in umbilical BENDING PROCESS, concave roll is rotatable, thus the shadow that the rolling friction between umbilical is produced to experiment
Sound is negligible；
6) umbilical has concave roll up and down, is capable of achieving the alternating bending up and down of umbilical, and the device before comparing can only folk prescription
To bending, actual condition can be more simulated, test out the stretch bending mechanical behavior feature and fatigue behaviour of umbilical；
7) during whole bending, four-point bending girder device ensure that, therefore, put on pipe
Moment of flexure on cable sample can be always ensured that constant, facilitate later data to process；
8) concave surface of concave roll is in circular arc, and radius of curvature is 500mm, can cover the horizontal stroke of overwhelming majority umbilical at present
Section radius.Therefore, the concave surface of concave roll well adapts to ability to umbilical section.
9) this experimental provision has multifunctionality and detachability concurrently, can carry out four-point bending experiment and axial tension reality respectively
Test and be independent of each other so that " a machine three-use ".
This utility model the field such as can be tested in ocean engineering compliance umbilical and is widely popularized for the foregoing reasons.
Description of the drawings
With reference to the accompanying drawings and detailed description this utility model is described in further detail.
Fig. 1 is a kind of ocean engineering compliance umbilical stretch bending combined experimental device in specific embodiment of the present utility model
Structural representation.
Fig. 2 is the front view of four-point bending girder device in specific embodiment of the present utility model.
Fig. 3 is the side view of Fig. 2.
Fig. 4 is the top view of Fig. 2.
Specific embodiment
As Figure 1-Figure 4, a kind of 16 stretch bending combined experimental device of ocean engineering compliance umbilical, including fixed rotation connects
1, four-point bending girder device 2 and axial tension device 3,
The four-point bending girder device 2 includes actuator I 4, link 5, quadrilateral frame I 6 and quadrilateral frame II
7, the link 5 is in that the bottom surface of tetrapyamid shape and the link 5 is rectangular, and the summit of the link 5 is in the connection
The center superposition of the orthographic projection on the bottom surface of frame 5 and the bottom surface of the link 5, four summits of the bottom surface of the link 5
The threaded rod 8 with the axis place straight line parallel of the link 5 is respectively equipped with, the summit of the quadrilateral frame I 6 leads to respectively
Cross the threaded rod 8 to be fixedly connected with the link 5, the summit of the quadrilateral frame II 7 passes through the threaded rod 8 respectively
With 5 slidable connection of the link, the side away from the quadrilateral frame I 6 of the quadrilateral frame II 7 is provided with and institute
The nut 9 that threaded rod 8 matches is stated, the summit of the link 5 is provided with the outfan of the actuator I 4, and the actuator
I 4 outbound course is located along the same line with the axis of the link 5,
The axial tension device 3 includes the removable swivel 10 being oppositely arranged with the fixed swivel 1, Gu
Orbit determination guidance tape 11 and actuator II 12, the line of the fixed swivel 1 and the removable swivel 10 is perpendicular to institute
The axis place straight line of link 5 is stated,
The quadrilateral frame I 6 and the quadrilateral frame II 7 are equipped with recessed along the pole that the line direction arranges
Face roller 13,
The quadrilateral frame I 6 and the quadrilateral frame II 7 are parallel with the bottom surface of the link 5,
In the joint Plane of rotation of the fixed swivel 1 and the removable swivel 10 is generally aligned in the same plane,
And the axis place straight line of the link 5 is located in the plane,
The retaining rail guidance tape 11 is provided with two and makes the removable swivel 10 along leading that the line direction is slided
To hole 14, the removable swivel 10 is connected with the pilot hole 14 by connecting pole 15, the removable swivel
10 are connected with the outfan of the actuator II 12 away from the side of the fixed swivel 1.
The concave surface of the concave roll 13 is in circular arc, and radius of curvature is 500mm.
The above, only this utility model preferably specific embodiment, but protection domain of the present utility model is not
Be confined to this, any those familiar with the art in the technical scope that this utility model is disclosed, according to this practicality
New technical scheme and its utility model design in addition equivalent or change, should all cover in protection model of the present utility model
Within enclosing.
Claims (2)
1. a kind of ocean engineering compliance umbilical stretch bending combined experimental device, it is characterised in that：Including fixed swivel, 4 points
Bending girder device and axial tension device,
The four-point bending girder device includes actuator I, link, quadrilateral frame I and quadrilateral frame II, the connection
Frame is in that the bottom surface of tetrapyamid shape and the link is rectangular, the summit of the link on the bottom surface of the link just
The center superposition with the bottom surface of the link is projected, four summits of the bottom surface of the link are respectively equipped with and the connection
The threaded rod of the axis place straight line parallel of frame, the summit of the quadrilateral frame I pass through the threaded rod and the company respectively
Connect frame to be fixedly connected, the summit of the quadrilateral frame II respectively by the threaded rod and the link slidable connection,
The side away from the quadrilateral frame I of the quadrilateral frame II is provided with the nut matched with the threaded rod, described
The summit of link is provided with the outfan of the actuator I, and the axis of the outbound course of the actuator I and the link
It is located along the same line,
The axial tension device includes the removable swivel being oppositely arranged with the fixed swivel, retaining rail guidance tape
With actuator II, the axis institute of the line of the fixed swivel and the removable swivel perpendicular to the link
In straight line,
The quadrilateral frame I and the quadrilateral frame II are equipped with concave roll along the pole that the line direction arranges,
The quadrilateral frame I and the quadrilateral frame II are parallel with the bottom surface of the link,
In the joint Plane of rotation of the fixed swivel and the removable swivel is generally aligned in the same plane, and the company
The axis place straight line for connecing frame is located in the plane,
The retaining rail guidance tape is provided with two pilot holes for making the removable swivel slide along the line direction, described
Removable swivel is connected with the pilot hole by connecting pole, and the removable swivel is connect away from fixed the rotation
The side of head is connected with the outfan of the actuator II.
2. a kind of ocean engineering compliance umbilical stretch bending combined experimental device according to claim 1, it is characterised in that：Institute
The concave surface of concave roll is stated in circular arc, and radius of curvature is 500mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621103505.1U CN206074359U (en) | 2016-10-08 | 2016-10-08 | A kind of ocean engineering compliance umbilical stretch bending combined experimental device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621103505.1U CN206074359U (en) | 2016-10-08 | 2016-10-08 | A kind of ocean engineering compliance umbilical stretch bending combined experimental device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206074359U true CN206074359U (en) | 2017-04-05 |
Family
ID=58440174
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621103505.1U Expired - Fee Related CN206074359U (en) | 2016-10-08 | 2016-10-08 | A kind of ocean engineering compliance umbilical stretch bending combined experimental device |
Country Status (1)
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106442133A (en) * | 2016-10-08 | 2017-02-22 | 大连理工大学 | Oceanographic engineering flexible tube cable stretching bending combination experimental facility and experimental method |
| CN108181177A (en) * | 2017-10-30 | 2018-06-19 | 武汉船用机械有限责任公司 | A kind of device for testing tensile force and test method |
| CN108287115A (en) * | 2018-02-13 | 2018-07-17 | 大连理工大学 | The test method and device that non-adherent umbilical armor prestressing force influences bending property |
| CN109490060A (en) * | 2018-11-02 | 2019-03-19 | 西北工业大学 | Strength testing device |
| CN110044690A (en) * | 2019-05-17 | 2019-07-23 | 吉林大学 | Sample holding device and method for high temperature low frequency complex load load test |
| CN112198072A (en) * | 2020-07-23 | 2021-01-08 | 大连理工大学 | Fatigue testing device for mutual coupling of friction wear and alternating stress |
-
2016
- 2016-10-08 CN CN201621103505.1U patent/CN206074359U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106442133A (en) * | 2016-10-08 | 2017-02-22 | 大连理工大学 | Oceanographic engineering flexible tube cable stretching bending combination experimental facility and experimental method |
| CN106442133B (en) * | 2016-10-08 | 2023-07-04 | 大连理工大学 | Ocean engineering flexible pipe cable stretch bending combined experimental device and experimental method |
| CN108181177A (en) * | 2017-10-30 | 2018-06-19 | 武汉船用机械有限责任公司 | A kind of device for testing tensile force and test method |
| CN108287115A (en) * | 2018-02-13 | 2018-07-17 | 大连理工大学 | The test method and device that non-adherent umbilical armor prestressing force influences bending property |
| CN109490060A (en) * | 2018-11-02 | 2019-03-19 | 西北工业大学 | Strength testing device |
| CN110044690A (en) * | 2019-05-17 | 2019-07-23 | 吉林大学 | Sample holding device and method for high temperature low frequency complex load load test |
| CN112198072A (en) * | 2020-07-23 | 2021-01-08 | 大连理工大学 | Fatigue testing device for mutual coupling of friction wear and alternating stress |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170405 Termination date: 20171008 |
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| CF01 | Termination of patent right due to non-payment of annual fee |