CN217384648U - Wave current water tank pipe laying power research test device containing variable slope seabed model - Google Patents
Wave current water tank pipe laying power research test device containing variable slope seabed model Download PDFInfo
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- CN217384648U CN217384648U CN202220902344.1U CN202220902344U CN217384648U CN 217384648 U CN217384648 U CN 217384648U CN 202220902344 U CN202220902344 U CN 202220902344U CN 217384648 U CN217384648 U CN 217384648U
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- 238000012360 testing method Methods 0.000 title claims abstract description 40
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- 238000011160 research Methods 0.000 title claims abstract description 19
- 238000006073 displacement reaction Methods 0.000 claims abstract description 9
- 229910000831 Steel Inorganic materials 0.000 claims description 11
- 239000010959 steel Substances 0.000 claims description 11
- 239000002689 soil Substances 0.000 claims description 6
- 239000004927 clay Substances 0.000 claims description 3
- 239000011521 glass Substances 0.000 claims description 3
- 239000002023 wood Substances 0.000 claims description 2
- 229920006395 saturated elastomer Polymers 0.000 claims 1
- 230000008846 dynamic interplay Effects 0.000 abstract description 3
- 238000013461 design Methods 0.000 description 4
- 230000008859 change Effects 0.000 description 3
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- 239000012528 membrane Substances 0.000 description 1
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- 230000000737 periodic effect Effects 0.000 description 1
- 238000004088 simulation Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000004078 waterproofing Methods 0.000 description 1
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Abstract
The utility model provides a wave current basin pipelaying power research test device who contains variable slope seabed model, its characterized in that: a movable bed test section (2) in a wave current water tank (1) is provided with a variable slope seabed model (3), a catenary pipeline (4) is laid on the variable slope seabed model (3), the outer surface of the catenary pipeline (4) on the variable slope seabed model (3) is provided with a plurality of groups of displacement sensors (5) and resistance strain gauges (6), and the top end of the catenary pipeline is connected with a three-dimensional driving device (7). Aims to effectively simulate the dynamic interaction between a laid pipeline and the seabed with different types of slopes.
Description
Technical Field
The utility model belongs to the technical field of the ocean engineering pipelaying is experimental, especially, relate to a wave current basin pipelaying power research test device who contains variable slope seabed model.
Background
The submarine pipeline is an important gathering and transportation means of marine oil and gas, and is known as a 'life line' of a production system of an offshore oil and gas field. With the development of ocean oil and gas resources gradually moving to deep sea, oil and gas pipelines need to be paved from shallow sea to deep sea, the deep sea environment condition is severe, a slope exists on a seabed, and the stress deformation response of the pipelines is obvious due to the dynamic interaction of the paved pipelines and the slope seabed, so that the problem that the current pipe paving design and construction need to be considered and solved urgently is formed. In the existing pipe laying model test device system, the test is usually carried out on a flat seabed, the influence of a slope seabed on the power response of a pipeline is ignored, the power interaction of the laid pipeline and the slope seabed cannot be simulated, and the prior art can refer to Chinese patent 202121548128.3.
SUMMERY OF THE UTILITY MODEL
To prior art's defect and not enough, the utility model aims to provide a wave current basin pipelaying power research test device who contains the change slope seabed model, aim at effectively simulates the power interact of laying pipeline and different pattern slope seabed.
The utility model discloses specifically adopt following technical scheme:
the utility model provides a wave current basin pipelaying power research test device who contains variable slope seabed model which characterized in that: a movable bed test section (2) in a wave current water tank (1) is provided with a variable slope seabed model (3), a catenary pipeline (4) is laid on the variable slope seabed model (3), the outer surface of the catenary pipeline (4) on the variable slope seabed model (3) is provided with a plurality of groups of displacement sensors (5) and resistance strain gauges (6), and the top end of the catenary pipeline is connected with a three-dimensional driving device (7).
Furthermore, the bottom of the wave flow water tank (1) is a horizontal concrete surface, a moving bed test section (2) is arranged in the middle of the wave flow water tank, and the moving bed test section (2) is a test pit with a certain depth; the two sides of the wave flow water tank (1) are glass water tank walls, and horizontal steel frame guide rails of a three-dimensional driving device (7) are laid at the tops of the water tank walls.
Furthermore, the variable slope seabed model (3) comprises an adjustable inclined workbench (10) erected at the bottom of the movable bed test section (2) and a prefabricated cuboid wood box (11) arranged on the workbench surface through bolts and used for filling prefabricated saturated sand or clay to simulate seabed soil.
Furthermore, a steel rod piece (16) is connected to a sliding block (15) of the three-dimensional driving device (7) in vertical motion, the top of the catenary pipeline (4) is embedded on the steel rod piece (16) and hung on the seabed soil surface of the slope-changing seabed model (3), and the tail end of the catenary pipeline is in contact with the seabed to form a section of grounding section pipeline.
Further, a pipeline connector is arranged at the connecting part of the top of the catenary pipeline (4) which is nested on the steel rod piece (16).
Furthermore, a plurality of groups of displacement sensors (5) and resistance strain gauges (6) on the catenary pipeline (4) are arranged at equal intervals, and the resistance strain gauges (6) are wrapped by waterproof films.
Furthermore, the adjustable inclined type workbench (10) comprises a workbench surface and an arc base (13) which are mutually connected in an adjustable rotating manner.
Compared with the prior art, the utility model discloses and preferred scheme thereof has following beneficial effect: the wave current water tank pipe laying power research test device with the variable slope seabed model is simple and novel in structure and strong in test function, the wave current water tank can simulate wave and ocean current environments, three-dimensional periodic motion is carried out on the top end of a pipeline through driving equipment traction, and the excitation effect of the motion of a pipe laying ship on the pipeline can be effectively simulated. The simulation of the complex seabed environment can be conveniently processed through the variable slope seabed model so as to simulate various types of slope seabed. The displacement sensor and the resistance strain gauge can measure the displacement and strain time course of the pipeline in the test, so that the stress deformation response of the pipeline is obtained. The test device system can effectively simulate the dynamic interaction between the pipeline and the slope seabed, and develop the test research of the pipeline laying power model under the slope seabed.
Drawings
The invention will be described in further detail with reference to the following drawings and detailed description:
fig. 1 is a schematic view of an overall structure of an embodiment of the present invention.
Fig. 2 is a schematic diagram of the overall structure of the embodiment of the present invention (without the variable slope seabed model).
Fig. 3 is the embodiment of the utility model provides a change sloping seabed model structure schematic.
Fig. 4 is a schematic view of an adjustable inclined workbench according to an embodiment of the present invention.
Detailed Description
In order to make the features and advantages of the present disclosure comprehensible, embodiments accompanied with figures are described in detail below.
It should be noted that the following detailed description is exemplary and is intended to provide further explanation of the disclosure. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs.
It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.
As shown in fig. 1 to 4, the embodiment provides a wave current water tank pipe laying power research test device with a variable slope seabed model, which comprises a wave current water tank 1, wherein a movable bed test section 2 in the wave current water tank is provided with a variable slope seabed model 3, a catenary pipeline 4 is laid on the seabed, a plurality of groups of displacement sensors 5 and resistance strain gauges 6 are arranged on the outer surface of the pipeline, and the top end of the pipeline is connected with a three-dimensional driving device 7 so as to drive the pipeline to circularly reciprocate in the transverse direction, the longitudinal direction and the vertical direction.
The embodiment of the utility model provides an in, wave flowing water tank bottom is horizontal concrete face, and the middle part is equipped with the movable bed test section, and the movable bed test section is one section test hole that has certain degree of depth, and the basin both sides are glass water tank wall 8, and water tank wall top is horizontal steel frame guide rail 9.
The embodiment of the utility model provides an in, the variable slope seabed model is including erectting the adjustable tilting workstation 10 at the movable bed test section hole bottom, installs prefabricated cuboid wooden box 11 with the bolt on the table surface, and the packing has prefabricated saturated sand or clay in the wooden box.
The adjustable inclined workbench 10 is composed of a workbench surface and an arc base 13 which are connected with each other in an adjustable rotating manner, where the adjustable rotating connection is understood to include any connection manner capable of adjusting the inclination of the workbench surface through rotation in the known technology, such as a connection manner of a gear rack and the like, and the prior art to which specific structural details can be referred includes chinese patent 200920047246.9 and the like.
The embodiment of the utility model provides an in, the adjustable tilting workstation of variable slope seabed model lower part passes through crank 12 manual control workstation and slides along the arc surface, can incline backward forward, has the angle scale in the side to the inclination of settlement workstation can simulate the inclined plane seabed at equidirectional and slope angle from this.
The embodiment of the utility model provides an in, the platform 14 of carrying on that the drive arrangement installed on water tank wall top steelframe utilizes the operation of drive arrangement controller, can regulate and control the cycle and the range of horizontal, vertical three direction motion of driver.
The embodiment of the utility model provides an in, connect a steel member 16 on the slider 15 of driver vertical motion, the nestification is on the steel member at experimental pipeline top to consolidate nested department with the pipe connection ware. The pipeline is suspended on the preset seabed soil surface of the variable slope seabed model, and the tail end of the pipeline is in contact with the seabed to form a section of ground contact section pipeline.
The embodiment of the utility model provides an in, the equidistant displacement sensor and the resistance foil gage of a plurality of groups that set up of pipeline surface, the foil gage is with waterproofing membrane material parcel, avoids meeting water short circuit.
According to the design of the device, the working principle of the wave current water tank pipe laying power research test system with the variable slope seabed model is as follows: the driving device at the top end of the wave current water tank pulls the pipeline to carry out three-dimensional wave frequency motion, the upper half section of the pipeline is suspended, the lower half section of the pipeline is arranged on a preset slope seabed model, and the water tank can generate regular waves, irregular waves and water flow, so that the whole pipe laying power research test device system is formed.
While the invention has been described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention. However, any simple modification, equivalent change and modification made to the above embodiments according to the technical substance of the present invention still belong to the protection scope of the technical solution of the present invention.
It should be noted that the technical content mainly disclosed and claimed in the present invention only includes the design of hardware and device structure, and the implementation of the rest including specific circuits and controls is not limited to the present solution, and the related description related to the present embodiment is only for helping those skilled in the art to better understand the design purpose of the present solution and understand its application prospect.
The present invention is not limited to the above-mentioned best embodiment, and any person can obtain various other wave current trough pipe laying power research and test devices containing variable slope seabed model according to the teaching of the present invention, and all the equivalent changes and modifications made according to the claims of the present invention shall belong to the scope of the present invention.
Claims (7)
1. The utility model provides a wave current basin pipelaying power research test device who contains variable slope seabed model which characterized in that: a movable bed test section (2) in a wave flow water tank (1) is provided with a variable slope seabed model (3), a catenary pipeline (4) is paved on the variable slope seabed model (3), the outer surface of the catenary pipeline (4) on the variable slope seabed model (3) is provided with a plurality of groups of displacement sensors (5) and resistance strain gauges (6), and the top end of the catenary pipeline is connected with a three-dimensional driving device (7).
2. The wave current water tank pipe laying power research test device containing the variable slope seabed model as claimed in claim 1, is characterized in that: the bottom of the wave flow water tank (1) is a horizontal concrete surface, the middle part of the wave flow water tank is provided with a moving bed test section (2), and the moving bed test section (2) is a test pit with a certain depth; the two sides of the wave flow water tank (1) are glass water tank walls, and horizontal steel frame guide rails of a three-dimensional driving device (7) are laid at the tops of the water tank walls.
3. The wave current water tank pipe laying power research test device with the variable slope seabed model as claimed in claim 2, wherein: the slope-changing seabed model (3) comprises an adjustable inclined workbench (10) erected at the pit bottom of the movable bed test section (2) and a prefabricated cuboid wood box (11) arranged on a working table surface by bolts, and is used for filling prefabricated saturated sandy soil or clay to simulate seabed soil.
4. The wave current water tank pipe laying power research test device containing the variable slope seabed model as claimed in claim 3, wherein: the three-dimensional driving device (7) is characterized in that a steel rod piece (16) is connected to a sliding block (15) which vertically moves, the top of the catenary pipeline (4) is embedded in the steel rod piece (16) and is suspended on the seabed soil surface of the slope-variable seabed model (3), and the tail end of the catenary pipeline is in contact with the seabed to form a section of grounding section pipeline.
5. The wave current water tank pipe laying power research test device with the variable slope seabed model as claimed in claim 4, wherein: and the top of the catenary pipeline (4) is embedded in a connecting part on the steel rod piece (16) and is provided with a pipeline connector.
6. The wave current water tank pipe laying power research test device containing the variable slope seabed model as claimed in claim 1, is characterized in that: the plurality of groups of displacement sensors (5) and the resistance strain gauges (6) on the catenary pipeline (4) are arranged at equal intervals, and the resistance strain gauges (6) are wrapped by waterproof films.
7. The wave current water tank pipe laying power research test device containing the variable slope seabed model as claimed in claim 3, wherein: the adjustable inclined workbench (10) comprises a workbench surface and an arc base (13) which are mutually formed into adjustable rotary connection.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202220902344.1U CN217384648U (en) | 2022-04-19 | 2022-04-19 | Wave current water tank pipe laying power research test device containing variable slope seabed model |
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| CN202220902344.1U CN217384648U (en) | 2022-04-19 | 2022-04-19 | Wave current water tank pipe laying power research test device containing variable slope seabed model |
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| CN217384648U true CN217384648U (en) | 2022-09-06 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114778072A (en) * | 2022-04-19 | 2022-07-22 | 福州大学 | Wave current water tank pipe laying power research test device and method containing variable slope seabed model |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114778072A (en) * | 2022-04-19 | 2022-07-22 | 福州大学 | Wave current water tank pipe laying power research test device and method containing variable slope seabed model |
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Assignee: Fujian Zhongyu water conservancy and Hydropower Engineering Co.,Ltd. Assignor: FUZHOU University Contract record no.: X2024350000016 Denomination of utility model: Experimental device for dynamic study of pipe laying in a wave current trough with a variable slope seabed model Granted publication date: 20220906 License type: Common License Record date: 20240126 |