CN117309303A - Adjustable discrete landslide surge impact simulation experiment device for underwater pipeline - Google Patents
Adjustable discrete landslide surge impact simulation experiment device for underwater pipeline Download PDFInfo
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- CN117309303A CN117309303A CN202311243150.0A CN202311243150A CN117309303A CN 117309303 A CN117309303 A CN 117309303A CN 202311243150 A CN202311243150 A CN 202311243150A CN 117309303 A CN117309303 A CN 117309303A
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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
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Abstract
The invention belongs to the technical field of bulk landslide experiments, and particularly relates to an adjustable bulk landslide surge impact simulation experiment device for an underwater pipeline, which comprises the following components: a wave making machine is arranged at any position in the high-permeability organic glass box; the experimental pipeline is connected to the bottom of the high organic glass box through a plurality of pipeline adjusting brackets; one end of the slide plate is connected with the bottom of the high-permeability organic glass box through a buffer cushion, and is arranged opposite to one opening end of the experimental pipeline, and the other end of the slide plate is provided with a fixed block; the inclination angle measuring instrument is arranged on the lower end surface of the landslide plate; the carrying box is slidably arranged on the sliding plate, the fixing block and the carrying box are detachably connected through the fastening ropes with different lengths, and the adjustable discrete sliding surge simulation experiment device has the effects of controlling various parameters of the discrete sliding block, measuring the inclination angle of the sliding plate and simulating the environment of a real water area.
Description
Technical Field
The invention belongs to the technical field of bulk landslide experiments, and particularly relates to an adjustable experimental device for impact simulation of bulk landslide surge on an underwater pipeline.
Background
With the rapid development of the petroleum and natural gas industry, a pipeline is taken as a carrier to be a main mode of oil and gas transportation, and the construction industry is vigorously developed. Because of complex and various terrains in China, long-distance oil and gas transmission pipelines possibly penetrate through landslide zones due to economic and other reasons in the construction process; meanwhile, in the construction process of the oil and gas pipeline, the oil and gas pipeline inevitably passes through water environments such as lakes, rivers and the like, and the instance that the underwater oil and gas pipeline fails due to the reasons of third party damage, scouring suspension, pipeline corrosion, geological landslide surge and the like is frequent. Among the reasons for causing the failure of the underwater oil and gas pipeline, the impact effect of landslide surge is one of the main influencing factors, and experiments and theoretical researches are lacking in the aspect that the landslide surge impacts the oil and gas pipeline in the water body.
Landslide surge is one of the types of secondary geological disasters with extreme destructive power, often shows characteristics such as huge influence range, ultrahigh surge height, huge energy and the like, and causes destructive damage to ecological environments, water conservancy facilities, resident living houses, past ships and the like in living and storage land areas of downstream people. Most of the experiments are conducted around rigid landslide at present, and most of the experiments are conducted to study the surge form and impact influence on the reservoir bank, but less impact influence on the underwater pipeline; however, the discrete landslide is a type of landslide which is more common in real life, and the experiment of the discrete landslide and the impact of the discrete landslide on an underwater pipeline is less. Therefore, the impact test of the dispersion landslide on the underwater pipeline is of great practical significance.
Disclosure of Invention
The invention aims to provide an experimental device for simulating the impact of scattered landslide surge on an underwater pipeline, which can effectively control experimental conditions such as landslide angle, landslide height, landslide release, pipeline position and the like in the experimental process and can simulate various landslide surge experiments.
In order to achieve the above purpose, the invention provides an adjustable dispersion landslide surge impact simulation experiment device for an underwater pipeline, which comprises:
the high-permeability organic glass box is internally provided with a wave making machine, and the direction of the wave making machine is set according to the requirement of the experimental water flow direction;
the experiment pipelines are connected to the bottom surface of the high organic glass box in a height adjustable mode through a plurality of pipeline adjusting supports;
a plurality of pressure sensor probes penetrating and connected into the experimental pipeline ， For detecting the pressure experienced on the test tube;
the device comprises a slide plate, wherein one end of the slide plate is connected with the bottom of the high-permeability organic glass box through a buffer pad and is arranged opposite to an opening end of the experimental pipeline, a fixed block is arranged at the other end of the slide plate, and a slide plate adjusting bracket for adjusting the inclination angle of the slide plate and fixing the angle of the slide plate is arranged at the bottom end of the slide plate;
the inclination angle measuring instrument is used for monitoring the angle of the landslide plate and is arranged on the lower end surface of the landslide plate;
the carrying box is internally provided with a dispersion sliding block, the carrying box is slidably arranged on the slope plate, positioning pieces are respectively arranged on the end face, close to the fixed block, of the carrying box and the end face, close to the carrying box, of the fixed block, and two positioning pieces are detachably connected through fastening ropes with different lengths.
Further, the high-speed camera is arranged on the outer side of the high-transmittance organic glass.
Furthermore, the top of the high-permeability organic glass box is uncovered, the length is 2.4m, the width is 1.2m, the height is 0.6m, the wall thickness is 0.02m, and water is injected inwards through a soft glue pipe in an experiment;
the cushion was 1m long, 0.4m wide and 0.005m thick.
Further, the pipeline adjusting support comprises two sliding nested hollow loop bars and a loose-leaf buckle, the outer hollow loop bars are provided with first pin holes at the near-top positions, the inner hollow loop bars are provided with a plurality of second pin holes at certain intervals, the first pin holes and the second pin holes are fixed in height through bolts, the loose-leaf buckle is fixedly connected to the upper end of the inner hollow loop bars, the loose-leaf buckle is detachably nested on the outer wall of the experimental pipeline, and the bottom end of the outer hollow sleeve is provided with a first base.
Further, the landslide plate adjusting support comprises a solid base and a lifting rod, wherein the top end of the lifting rod is rotatably provided with a powerful sucker, and the solid base is arranged at the bottom end of the lifting rod.
Further, slide rails are arranged on two sides of the length direction of the landslide plate, and the carrying box is in sliding connection with the landslide plate through the slide rails.
Further, the end face, far away from the fixed block, of the carrying box can slide along the direction perpendicular to the slope plate, so that release of the dispersion sliding block in the carrying box is controlled.
Further, the end face of the carrying box, which is far away from the fixed block, is provided with a narrow baffle body and a baffle plate, the baffle plate is blocked by the narrow baffle body when the carrying box is in static state, and a handle is arranged on the baffle plate.
Further, the wave generator further comprises an electric wave flow rate meter, wherein the electric wave flow rate meter is arranged on the outer side of the high-permeability organic glass box and used for detecting the fluctuation of water flow formed by the wave generator arranged according to the water flow direction.
Further, the device also comprises a wave height instrument, wherein the wave height instrument is used for detecting the surge height excited when the bulk slider falls down and is arranged at the bottom of the high-permeability organic glass box.
The beneficial effects of the invention are as follows:
1. the invention can realize the large-amplitude inclination angle change of the slide plate and the height change of the pipeline, and realize the full-aspect fixing of the position of the carrying box by additionally arranging the slide plate positioner, and compared with the prior invention, the invention can better control the parameters such as the sliding distance, the height, the square quantity and the like of the bulk slider.
2. The invention optimizes the existing mode of releasing the sliding body and introduces the inclination angle measuring instrument to solve the problems of inconvenient measurement and insufficient precision of the inclination angle of the landslide plate.
3. The experimental variable is increased by the introduction of the wave making machine, most of the existing devices are used for simulating the still water environment, and the scheme of the invention can better simulate the real water environment.
In order to make the above objects, features and advantages of the present invention more comprehensible, preferred embodiments accompanied with figures are described in detail below.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings that are needed in the description of the embodiments or the prior art will be briefly described, and it is obvious that the drawings in the description below are some embodiments of the present invention, and other drawings can be obtained according to the drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram of a preferred embodiment of an adjustable bulk landslide surge to underwater pipeline impact simulation experiment device of the present invention;
FIG. 2 is a partial schematic view of a section of a carrier box of a preferred embodiment of the adjustable bulk landslide surge to underwater pipeline impact simulation experiment device of the present invention;
FIG. 3 is a partial schematic view of the contact portion of the bottom end of the ramp plate and the upper end of the ramp plate adjustment bracket of an optimal embodiment of the adjustable bulk landslide surge to underwater pipeline impact simulation experiment device of the present invention.
In the figure:
1. a high-permeability organic glass box; 2. a ramp plate; 3. a carrying case; 4. a landslide plate adjusting bracket; 5. a pipe adjusting bracket; 6. an experimental pipeline; 7. a pressure sensor probe; 8. a wave making machine; 9. a wave height meter; 10. a cushion pad; 11. an electric wave flow rate meter; 12. a high-speed camera; 13. a buckle rope; 14. an inclinometer; 201. a ramp plate positioning member; 202. a slide rail; 301. a baffle; 302. a handle; 303. a narrow baffle; 304. the tail positioning piece of the carrying box; 401. a solid base; 402. a lifting rod; 403. a rotating bead structure; 404. a strong sucking disc.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings, and it is apparent that the described embodiments are some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Examples:
as shown in fig. 1 to 3, an adjustable dispersion landslide surge impact simulation experiment device for an underwater pipeline comprises: the top of the high-permeability organic glass box 1 is uncovered, the length is 2.4m, the width is 1.2m, the height is 0.6m, the wall thickness is 0.02m, and water is injected inwards through a soft glue pipe in the experiment; the wave generator 8 is arranged at any position in the high-permeability organic glass box 1, and the direction of the wave generator 8 is set according to the requirement of the experimental water flow direction; the experimental pipeline 6 is connected to the bottom of the high organic glass box 1 in a height adjustable manner through a plurality of pipeline adjusting brackets 5; a plurality of pressure sensor probes 7, wherein the plurality of pressure sensor probes 7 are penetratingly connected into the experiment pipeline 6 and are used for detecting the pressure on the experiment pipeline 6; the device comprises a slide plate 2, wherein one end of the slide plate 2 is connected with the bottom of a high-permeability organic glass box 1 through a buffer pad 10, the buffer pad 101m is 0.4m wide and 0.005m thick, the buffer pad is arranged opposite to an opening end of an experimental pipeline 6, a fixed block is arranged at the other end of the slide plate 2, and a slide plate adjusting bracket 4 for adjusting the inclination angle of the slide plate 2 and fixing the angle of the slide plate 2 is arranged at the bottom end of the slide plate 2; an inclinometer 14 for monitoring the angle of the slide plate 2, the inclinometer 14 being provided on the lower end face of the slide plate 2; also included is a high speed camera 12, the high speed camera 12 being positioned outside of the high-transmission plexiglass.
What needs to be explained here is: the high-speed camera 12 shoots and monitors the experiment outside the water tank, and completely records the surge form and propagation of the dispersion landslide and the impact process on the experiment pipeline 6; the inclination angle measuring instrument 14 is fixed on the back of the slide plate 2, the solid base 401 of the slide plate adjusting bracket 4 is arranged, the lifting rods 402 are pulled outwards to a proper height, the lifting rods 402 are fastened and positioned through bolts among each section of lifting rods 402, the rotating ball structure 403 at the top of the lifting rods 402 is rotated, the powerful suction disc 404 is adjusted to be at the position corresponding to the inclination angle of the slide plate 2, the slide plate 2 is fallen to enable the powerful suction disc 404 to complete absorption, the inclination angle is measured through the inclination angle measuring instrument 14 in the process, and the angle error is reduced.
The pipeline adjusting support 5 comprises two sliding nested hollow loop bars and loose-leaf buckles, the outer hollow loop bars are provided with first pin holes at the near top positions, the inner hollow loop bars are provided with a plurality of second pin holes at certain intervals, the first pin holes and the second pin holes are fixed in height through bolts, the upper ends of the inner hollow loop bars are fixedly connected with the loose-leaf buckles, the loose-leaf buckles can be detachably nested on the outer wall of the experimental pipeline 6, and the bottom ends of the outer hollow sleeves are provided with first bases.
As shown in fig. 3, the adjusting bracket of the ramp plate 2 comprises a solid base 401 and a lifting rod 402, wherein the top end of the lifting rod 402 is rotatably provided with a strong sucker 404, and the solid base 401 is arranged at the bottom end of the lifting rod 402.
The sliding plate is characterized by further comprising a carrying box 3 provided with a dispersion sliding block, sliding rails 202 are arranged on two sides of the sliding plate 2 in the length direction, the carrying box 3 is in sliding connection with the sliding plate 2 through the sliding rails 202, positioning pieces are respectively arranged on the end face, close to the fixed block, of the carrying box 3 and the end face, close to the carrying box 3, of the fixed block, and the two positioning pieces are detachably connected through fastening ropes 13 with different lengths.
The end face of the carrying box 3 far away from the fixed block can slide along the direction perpendicular to the landslide plate 2, the end face of the carrying box 3 far away from the fixed block is provided with a narrow baffle 303 and a baffle 301, the baffle 301 is blocked by the narrow baffle 303 during standing, a handle 302 is arranged on the baffle 301, and the end face of the carrying box 3 far away from the fixed block is pulled along the direction perpendicular to the landslide plate 2, so that the release of the bulk slider in the carrying box 3 is controlled.
What needs to be explained here is: as shown in fig. 2, the bottom of the carrying case 3 is embedded into the positioning slide rail 202 on the slide plate 2, so that the positioning of the opening of the carrying case 3 can be completed, the problem that the carrying case 3 is easy to deviate when placed is solved, and the situation that the dispersion slide block slides out of the slide plate 2 due to the deviation of the opening direction is avoided; after the opening direction is positioned, the positioning piece arranged on the carrying box 3 is defined as a carrying box tail positioning piece 304, the positioning piece fixed on the fixed block is defined as a landslide plate positioning piece 201, and the clamping rope 13 is used for positioning and connecting the carrying box tail positioning piece 304 with the landslide plate positioning piece 201, so that the height of the carrying box 3 and the sliding distance of the dispersion sliding block can be conveniently changed. The end face, which is perpendicular to the sliding plate 2 and far away from the fixed block, of the carrying box 3 is defined as a baffle 301, a narrow baffle 303 is arranged at the opening of the carrying box 3, the baffle 301 is not influenced, and meanwhile, the blocking of the discrete sliding blocks during sliding is not influenced, when the discrete sliding blocks are released, the discrete sliding blocks can be released by only grabbing a handle 302 of the baffle 301 and outwards lifting the baffle 301, and the discrete sliding blocks slide along the sliding plate 2 so as to simulate the discrete sliding.
The wave generator also comprises an electric wave flow rate meter 11, wherein the electric wave flow rate meter 11 is arranged on the outer side of the high-permeability organic glass box 1 and is used for detecting the fluctuation of water flow formed by the wave generator 8 arranged according to the water flow direction.
The device also comprises a wave height instrument 9, wherein the wave height instrument 9 for detecting the surge height excited when the bulk slider falls down is arranged at the bottom of the high-permeability organic glass box 1.
What needs to be explained here is: in order to better simulate the real water area environment, a ten-gear wave generator 8 is introduced into an experimental water tank, and an electric wave flow meter 11 is arranged to perform data monitoring on the generated water flow. The wave height instrument 9 adopts a self-storing wave height instrument with integrated power supply and storage, reduces wiring and is convenient for experimental operation.
In summary, in a specific use, the components are first assembled into the respective partial structures as shown in fig. 1. The experimental pipeline 6 is fixed by the pipeline adjusting bracket 5 according to the required height position, and the pressure sensor is arranged at the position of the pipeline required pressure data; the inclination angle measuring instrument 14 is fixed on the back surface of the slide plate 2, then the slide plate 2 is adsorbed and fixed by twisting the powerful sucker 404 on the top of the lifting rod 402 through the slide plate adjusting bracket 4, and the bolt at the joint of the lifting rod 402 is screwed down to enable the slide plate 2 to reach the experimental inclination angle. The carrying case 3 with the dispersion sliding blocks is embedded into the sliding rail 202 of the sliding plate 2 to finish the positioning of the carrying case 3, and then the clamping rope 13 is used for connecting the carrying case tail positioning piece 304 at the rear part of the carrying case 3 with the sliding plate positioning piece 201 to finish the positioning of the height of the carrying case 3. The wave maker 8 and the wave height meter 9 were placed at the positions required for the experiment. The electric wave flow rate meter 11 and the high-speed camera 12 are placed at appropriate distances. All the electronic experimental equipment is started, the recording camera is opened, the baffle 301 of the carrying box 3 is pulled out, and the dispersion slide blocks slide down, so that an experiment can be performed.
The components selected in the application are all general standard components or components known to the person skilled in the art, and the structures and principles of the components are all known to the person skilled in the art through technical manuals or through routine experimental methods.
In the description of embodiments of the present invention, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present invention will be understood in specific cases by those of ordinary skill in the art.
In the description of the present invention, it should be noted that the directions or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present invention and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
With the above-described preferred embodiments according to the present invention as an illustration, the above-described descriptions can be used by persons skilled in the relevant art to make various changes and modifications without departing from the scope of the technical idea of the present invention. The technical scope of the present invention is not limited to the description, but must be determined according to the scope of claims.
Claims (10)
1. An adjustable dispersion landslide surge impact simulation experiment device for an underwater pipeline, which is characterized by comprising:
the high-permeability organic glass box (1), a wave making machine (8) is arranged in the high-permeability organic glass box (1), and the direction of the wave making machine (8) is set according to the requirement of the experimental water flow direction;
the experimental pipeline (6) is connected to the bottom surface of the high organic glass box in a height adjustable manner through a plurality of pipeline adjusting brackets (5);
a plurality of pressure sensor probes (7), wherein the pressure sensor probes (7) are connected into the experimental pipeline (6) in a penetrating way ， For detecting the pressure exerted on the test tube (6);
the device comprises a landslide plate (2), wherein one end of the landslide plate (2) is connected with the bottom of a high-permeability organic glass box (1) through a buffer pad (10) and is arranged opposite to an opening end of an experimental pipeline (6), a fixed block is arranged at the other end of the landslide plate (2), and a landslide plate adjusting bracket (4) for adjusting the inclination angle of the landslide plate (2) and fixing the angle of the landslide plate (2) is arranged at the bottom end of the landslide plate (2);
an inclination angle measuring instrument (14) for monitoring the angle of the landslide plate (2), wherein the inclination angle measuring instrument (14) is arranged on the lower end surface of the landslide plate (2);
carry thing case (3), carry thing case (3) inside to be equipped with the dispersion slider, it is in to carry thing case (3) slidable ground to set up on landslide board (2), carry thing case (3) to be close to the terminal surface of fixed block with the fixed block is close to carry and be equipped with the setting element on the terminal surface of thing case (3) respectively, two carry out detachable connection through buckle rope (13) that length is different between the setting element.
2. The experimental device for simulating the impact of an adjustable bulk landslide surge on an underwater pipeline according to claim 1, wherein,
also comprises a high-speed camera (12), wherein the high-speed camera (12) is arranged on the outer side of the high-transmittance organic glass.
3. An adjustable discrete landslide surge-to-underwater pipeline impact simulation experiment device as claimed in claim 2, wherein,
the top of the high-permeability organic glass box (1) is uncovered, the length is 2.4m, the width is 1.2m, the height is 0.6m, the wall thickness is 0.02m, and water is injected inwards through a soft glue pipe in an experiment;
the cushion pad (10) is 1m long, 0.4m wide and 0.005m thick.
4. An adjustable discrete landslide surge-to-underwater pipeline impact simulation experiment device as claimed in claim 3, wherein,
the pipeline adjusting support (5) comprises two sliding nested hollow loop bars and a loose-leaf buckle, the outer hollow loop bars are provided with first pin holes at the near-top position, the inner hollow loop bars are provided with a plurality of second pin holes at certain intervals, the first pin holes and the second pin holes are fixed in height through bolts, the upper ends of the inner hollow loop bars are fixedly connected with the loose-leaf buckle, the loose-leaf buckle is detachably nested on the outer wall of the experimental pipeline (6), and the bottom end of the outer hollow sleeve is provided with a first base.
5. The experimental device for simulating the impact of adjustable bulk landslide surge on an underwater pipeline according to claim 4, wherein the experimental device comprises a plurality of hydraulic cylinders,
the landslide plate (2) adjusting support comprises a solid base (401) and a lifting rod (402), wherein a powerful sucker (404) is rotatably arranged at the top end of the lifting rod (402), and the solid base (401) is arranged at the bottom end of the lifting rod (402).
6. The experimental device for simulating the impact of adjustable bulk landslide surge on an underwater pipeline according to claim 5, wherein the experimental device comprises a plurality of hydraulic cylinders,
slide rail (202) are arranged on two sides of the length direction of the landslide plate (2), and the carrying box (3) is in sliding connection with the landslide plate (2) through the slide rail (202).
7. The experimental device for simulating the impact of an adjustable bulk landslide surge on an underwater pipeline according to claim 6, wherein,
the end face, far away from the fixed block, of the carrying box (3) can slide along the direction perpendicular to the landslide plate (2), so that the release of the dispersion sliding blocks in the carrying box (3) is controlled.
8. The experimental device for simulating the impact of an adjustable bulk landslide surge on an underwater pipeline according to claim 7, wherein,
the end face, far away from the fixed block, of the carrying box (3) is provided with a narrow baffle body (303) and a baffle plate (301), the baffle plate (301) is blocked by means of the narrow baffle body (303) during standing, and a handle (302) is arranged on the baffle plate (301).
9. The experimental device for simulating the impact of an adjustable bulk landslide surge on an underwater pipeline according to claim 1, wherein,
the wave-making machine also comprises an electric wave flow rate meter (11), wherein the electric wave flow rate meter (11) is arranged on the outer side of the high-permeability organic glass box (1) and is used for detecting the fluctuation of water flow formed by the wave-making machine (8) arranged according to the water flow direction.
10. The experimental device for simulating the impact of an adjustable bulk landslide surge on an underwater pipeline according to claim 1, wherein,
the device also comprises a wave height instrument (9), wherein the wave height instrument (9) is used for detecting the surge height excited when the bulk slider falls down, and is arranged at the bottom of the high-permeability organic glass box (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311243150.0A CN117309303A (en) | 2023-09-25 | 2023-09-25 | Adjustable discrete landslide surge impact simulation experiment device for underwater pipeline |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202311243150.0A CN117309303A (en) | 2023-09-25 | 2023-09-25 | Adjustable discrete landslide surge impact simulation experiment device for underwater pipeline |
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| CN117309303A true CN117309303A (en) | 2023-12-29 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN118032277A (en) * | 2024-04-11 | 2024-05-14 | 成都理工大学 | Test system and method for simulating coupling of earthquake, rainfall and surge effects |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN118032277A (en) * | 2024-04-11 | 2024-05-14 | 成都理工大学 | Test system and method for simulating coupling of earthquake, rainfall and surge effects |
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