A submarine landslide physical model test device and working method
By designing physical model test equipment for subsea landslides, simulating the subsea environment and recording data, the problem of difficult to study the catastrophic mechanism of subsea landslides is solved, and physical experimental data for subsea landslides are provided to help improve the safety of marine engineering facilities and the site selection accuracy of marine structures.
Patent Information
- Application Number
- CN202410996931.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Patents(China)
- Current Assignee / Owner
- Filing Date
- 2024-07-24
- Publication Date
- 2025-05-13
- Estimated Expiration
- 2044-07-24
AI Technical Summary
Geological disasters of subsea landslides are complex and difficult to monitor. It is difficult for the existing technology to effectively simulate and study the catastrophic mechanism of subsea landslides, affecting the safety of marine engineering facilities and the location selection of marine structures.
A physical model test equipment for subsea landslides was designed, including a transparent test chamber, wave-making part, wave-dissolving part, simulation components, water circulation components and monitoring parts. Through wave-making and wave-dissolving, the monitoring part is used to record data to provide physical experimental data for subsea landslides.
This equipment not only provides teaching and testing instruments for the model test of subsea landslides, but also provides physical experimental data for numerical simulation of subsea landslides to help study the phenomenon of subsea landslides. After the test is completed, the water is purified and recycled to save water resources.
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Figure CN119007556B_ABST
Abstract
Description
Technical Field
[0001] The invention belongs to the technical field of test equipment, and in particular relates to a submarine landslide physical model test equipment and a working method. Background Art
[0002] So far, submarine landslide geological disasters are common, which seriously threaten the safety of marine engineering structures and even human life and property. Along with the occurrence of submarine landslides, a large amount of sediments are transported over long distances. This transportation process poses a serious threat to marine engineering, such as submarine platforms, submarine pipelines, submarine cables and other submarine engineering facilities. Submarine landslides are also considered to be an important inducing factor for the distortion, failure or severance of submarine oil pipelines. Large-scale submarine landslides are often accompanied by extremely destructive tsunamis. At the same time, seabed stability is also an issue that cannot be ignored in the site selection of marine structures. This makes human research on marine geological disasters more and more urgent, and the importance of understanding marine geological disasters has become more and more prominent.
[0003] Due to the complex seabed environment and changeable hydrogeological conditions, landslide accidents are easily induced. Submarine landslides usually cover a large area, and the types of landslides caused by different disaster-causing environments are also different, resulting in complicated research on the catastrophic mechanism of submarine landslide disasters. In addition, due to factors such as the unlimited amount of seawater in the ocean, the difficulty of monitoring submarine landslides has increased. Therefore, a submarine landslide physical model test equipment and working method are urgently needed. Summary of the invention
[0004] The purpose of the present invention is to provide a submarine landslide physical model test device and a working method to solve the above problems.
[0005] To achieve the above object, the present invention provides the following solutions:
[0006] A submarine landslide physical model test device, comprising:
[0007] Transparent test chamber;
[0008] A wave-making part, arranged at one end of the transparent test chamber;
[0009] A wave-breaking part, arranged at the other end of the transparent test chamber;
[0010] A simulation component is arranged between the wave-making part and the wave-breaking part;
[0011] A water circulation component, connected to the transparent test chamber;
[0012] The monitoring unit is buried in the simulation component.
[0013] Preferably, the wave-making part comprises:
[0014] A first mounting plate, fixedly connected to the outer side wall of the transparent test chamber;
[0015] A first motor is fixedly connected to one side of the first mounting plate, wherein an output shaft of the first motor passes through the first mounting plate and is coaxially fixedly connected to a rotating disk;
[0016] A connecting rod, one end of which is rotatably connected to a side of the rotating disk away from the first mounting plate, and the other end of which is rotatably connected to one end of a push rod, a connection between the connecting rod and the rotating disk is eccentrically arranged with the rotating disk, the push rod is arranged horizontally, the other end of the push rod penetrates into the transparent test chamber, and the push rod is slidably connected to the transparent test chamber;
[0017] A plurality of push plates are arranged in sequence from top to bottom, and the push plates are arranged in the transparent test chamber. The plurality of push plates are connected to one end of the push rod extending into the transparent test chamber through an adjustment component.
[0018] Preferably, the adjustment component comprises:
[0019] A connecting block, fixedly connected to one end of the push rod extending into the transparent test chamber;
[0020] A first connecting groove is vertically arranged on the connecting block, and the first connecting groove runs through the connecting block;
[0021] An adjusting motor is fixedly connected to one side of the connecting block via a bearing plate, and a worm is coaxially fixedly connected to the output shaft of the adjusting motor;
[0022] A fixed plate, fixedly connected to one side of the connecting block, a worm wheel is rotatably connected to one side of the fixed plate, the worm wheel is meshed with the worm, a through slot is formed on the connecting block, and the worm wheel extends into the through slot;
[0023] A U-shaped connecting frame has one end slidably connected in the first connecting groove, a rack is fixedly connected to one side of the U-shaped connecting frame, the rack is meshed with the worm gear, and the other end of the U-shaped connecting frame is slidably connected in the second connecting groove, and the second connecting groove is vertically opened in the middle of the push plate.
[0024] Preferably, the push plate is slidably connected to horizontally arranged sliding rods on opposite sides, the sliding rods are provided with steps, the push plate is slidably connected to the small end of the sliding rod, the large end of the sliding rod is fixedly connected to the inner wall of the transparent test chamber, a spring is sleeved on the outer side of the sliding rod, one end of the spring is fixedly connected to the inner wall of the transparent test chamber, and the other end of the spring is fixedly connected to the push plate;
[0025] One end of the sliding rod away from the inner wall of the transparent test chamber is fixedly connected to a limiting block.
[0026] Preferably, the wave-breaking part comprises:
[0027] A wave-breaking dam is fixedly connected to one end of the transparent test chamber away from the push plate, the side of the wave-breaking dam facing the push plate is arranged as an inclined surface, a cavity is arranged in the wave-breaking dam, and a plurality of water holes are opened on the inclined surface of the wave-breaking dam, and the plurality of water holes are arranged in an array;
[0028] A wave-breaking block group is stacked on the slope side of the wave-breaking dam;
[0029] Two wave-absorbing wheels are rotatably connected in the cavity.
[0030] Preferably, the simulation component comprises:
[0031] A U-shaped frame is arranged in the transparent test chamber, and the bottom wall of the U-shaped frame is arranged to be adsorbed to the bottom wall of the transparent test chamber;
[0032] Two handles, respectively fixed to the two ends of the U-shaped frame, and the handles extend out of the transparent test chamber;
[0033] The simulation test block is preset in the U-shaped frame, and the monitoring unit is pre-buried in the simulation test block.
[0034] Preferably, the monitoring unit includes:
[0035] A plurality of fiber grating sensors are pre-buried in the simulation test block, and the plurality of fiber grating sensors are connected in series via optical fibers;
[0036] The optical fiber demodulator is connected to the plurality of optical fiber grating sensor signals via the optical fiber.
[0037] Preferably, the water circulation component comprises:
[0038] A filter box is fixedly connected to one end of the transparent test chamber, and a sealing cover is threadedly connected to the top of the filter box;
[0039] A fixed frame is circumferentially fixed in the filter box, and a filter membrane is arranged above the fixed frame;
[0040] A negative pressure pump is fixedly connected to the outer wall of the filter box and is in communication with the filter box;
[0041] A water suction pipe, one end of which is connected to the upper part of the filter box, and the other end of which extends into the transparent test chamber and is close to the bottom wall of the transparent test chamber, and a second one-way valve is provided on the water suction pipe;
[0042] A water tank, fixedly connected to the bottom end of the transparent test chamber, the water tank is communicated with the filter box, an inclined plate is fixedly connected to the bottom wall of the water tank, and the high end of the inclined plate is close to the filter box;
[0043] A water pump is fixedly connected in the water tank. The water pump is located at the lower end of the inclined plate. The water pump is communicated with the transparent test chamber. A first one-way valve is provided between the water pump and the transparent test chamber.
[0044] Preferably, the wave-breaking wheel comprises:
[0045] Two rotating shafts are arranged in parallel and symmetrically, and both rotating shafts are rotatably connected in the transparent test chamber, one end of the rotating shaft passes through the transparent test chamber and is coaxially fixed with a gear, and the two gears are meshed, one of the rotating shafts passes through the gear and is connected to the second motor through a synchronous belt transmission, and the second motor is fixed to the outer side wall of the transparent test chamber;
[0046] Two fixed wheels are coaxially fixed to the rotating shaft, and the two fixed wheels are located in the transparent test chamber and close to two opposite side walls of the transparent test chamber respectively;
[0047] A plurality of baffles are fixedly connected between the two fixed wheels, and the plurality of baffles are arranged at equal intervals in the circumferential direction.
[0048] A working method of a submarine landslide physical model test device, based on the submarine landslide physical model test device, comprises the following steps:
[0049] S1. Fill water into the transparent test chamber;
[0050] S2. Place the simulated component into a transparent test chamber;
[0051] S3, generating waves by the wave-generating part, eliminating waves by the wave-breaking part, and recording data by the monitoring part;
[0052] S4. After the test is completed, the water after the test is purified and stored through the water circulation component for use in the next test.
[0053] Compared with the prior art, the present invention has the following advantages and technical effects:
[0054] The invention provides a submarine landslide physical model test device. When working, water is firstly injected into a transparent test cabin, and then a simulation component is placed in the transparent test cabin. Waves are generated by a wave-making part to simulate a submarine environment. A monitoring part is used to monitor the simulation component placed in the transparent test cabin and collect data of the simulation component. The device not only provides a teaching test instrument for a submarine landslide model test, but also can provide physical experimental data for a submarine landslide numerical simulation, and plays a reference role in the study of submarine landslide phenomena. After the test is completed, the water used in the test is purified and recycled to save water resources. BRIEF DESCRIPTION OF THE DRAWINGS
[0055] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required for use in the embodiments are briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For those of ordinary skill in the art, other drawings can be obtained based on these drawings without creative labor:
[0056] Figure 1 It is a front view of the present invention;
[0057] Figure 2 A top view of the present invention;
[0058] Figure 3 for Figure 1 A partial enlarged view of the middle A;
[0059] Figure 4 It is a schematic diagram of the structure of the wave-absorbing wheel in the present invention;
[0060] Figure 5 It is a structural schematic diagram of the wave-breaking block in the present invention;
[0061] Among them, 1. first mounting plate; 2. rotating disk; 3. connecting rod; 4. push rod; 5. sliding rod; 6. U-shaped connecting frame; 7. spring; 8. limit block; 9. connecting block; 10. rack; 11. first connecting groove; 12. second connecting groove; 13. push plate; 14. bearing plate; 15. regulating motor; 16. worm; 17. fixing plate; 18. worm gear; 19. through groove; 20. water tank; 21. water pump; 22. first one-way valve; 23. tilting plate; 24. optical fiber demodulator; 25. simulation test block; 26, U-shaped frame; 27, handle; 28, fiber grating sensor; 29, optical fiber; 30, wave-breaking dike; 31, wave-breaking block group; 32, water hole; 33, wave-breaking wheel; 34, water suction pipe; 35, second one-way valve; 36, sealing cover; 37, filter box; 38, negative pressure pump; 39, filter membrane; 40, fixed frame; 41, first motor; 42, second motor; 43, synchronous belt; 44, gear; 45, transparent test chamber; 331, fixed wheel; 332, rotating shaft; 333, baffle. DETAILED DESCRIPTION
[0062] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.
[0063] In order to make the above-mentioned objects, features and advantages of the present invention more obvious and easy to understand, the present invention is further described in detail below with reference to the accompanying drawings and specific embodiments.
[0064] Reference Figures 1 to 5 The present invention discloses a submarine landslide physical model test device, comprising:
[0065] Transparent test chamber 45;
[0066] The wave-making part is arranged at one end of the transparent test chamber 45;
[0067] The wave-breaking part is arranged at the other end of the transparent test chamber 45;
[0068] A simulation component is arranged between the wave-making part and the wave-breaking part;
[0069] A water circulation component connected to the transparent test chamber 45;
[0070] The monitoring unit is buried in the analog component.
[0071] During operation, water is first injected into the transparent test cabin 45, and then the simulation component is placed in the transparent test cabin 45. Waves are generated by the wave-making part to simulate the seabed environment. The monitoring part is used to monitor the simulation component placed in the transparent test cabin 45 and collect data of the simulation component. This not only provides a teaching test instrument for the submarine landslide model test, but also provides physical experimental data for the numerical simulation of the submarine landslide, which plays a reference role in the study of the submarine landslide phenomenon. After the test is completed, the water used in the test is purified and recycled to save water resources.
[0072] To further optimize the solution, the wave-making unit includes:
[0073] The first mounting plate 1 is fixedly connected to the outer side wall of the transparent test chamber 45;
[0074] The first motor 41 is fixedly connected to one side of the first mounting plate 1, and the output shaft of the first motor 41 passes through the first mounting plate 1 and is coaxially fixedly connected to the rotating disk 2;
[0075] The connecting rod 3 has one end rotatably connected to the side of the rotating disk 2 away from the first mounting plate 1, and the other end rotatably connected to one end of the push rod 4. The connection between the connecting rod 3 and the rotating disk 2 is eccentrically arranged with the rotating disk 2. The push rod 4 is arranged horizontally. The other end of the push rod 4 penetrates into the transparent test chamber 45, and the push rod 4 is slidably connected to the transparent test chamber 45.
[0076] The plurality of push plates 13 are arranged in order from top to bottom, and the push plates 13 are disposed in the transparent test chamber 45 . The plurality of push plates 13 are connected to one end of the push rod 4 extending into the transparent test chamber 45 through an adjustment assembly.
[0077] To further optimize the solution, the adjustment components include:
[0078] A connecting block 9 is fixedly connected to one end of the push rod 4 extending into the transparent test chamber 45;
[0079] A first connecting groove 11 is vertically provided on the connecting block 9, and the first connecting groove 11 penetrates the connecting block 9;
[0080] The adjusting motor 15 is fixedly connected to one side of the connecting block 9 via the bearing plate 14, and a worm 16 is coaxially fixedly connected to the output shaft of the adjusting motor 15;
[0081] A fixed plate 17 is fixedly connected to one side of the connecting block 9. A worm wheel 18 is rotatably connected to one side of the fixed plate 17. The worm wheel 18 meshes with the worm 16. A through slot 19 is provided on the connecting block 9. The worm wheel 18 extends into the through slot 19.
[0082] One end of the U-shaped connecting frame 6 is slidably connected in the first connecting groove 11, a rack 10 is fixed to one side of the U-shaped connecting frame 6, the rack 10 is engaged with the worm gear 18, and the other end of the U-shaped connecting frame 6 is slidably connected in the second connecting groove 12, and the second connecting groove 12 is vertically opened in the middle of the push plate 13.
[0083] The worm 16 is driven to rotate by adjusting the motor 15, and the worm 16 drives the worm wheel 18 to rotate. The worm wheel 18 is engaged with the rack 10, thereby driving the U-shaped connecting frame 6 to move up and down, so that the number of the U-shaped connecting frame 6 connected to the push plates 13 can be adjusted to simulate waves of different depths.
[0084] Further optimized solution, the two opposite sides of the push plate 13 are respectively slidably connected with horizontally arranged sliding rods 5, the sliding rods 5 are provided with steps, the push plate 13 is slidably connected to the small end of the sliding rod 5, the large end of the sliding rod 5 is fixedly connected to the inner wall of the transparent test chamber 45, the outer side of the sliding rod 5 is sleeved with a spring 7, one end of the spring 7 is fixedly connected to the inner wall of the transparent test chamber 45, and the other end of the spring 7 is fixedly connected to the push plate 13;
[0085] One end of the slide bar 5 away from the inner wall of the transparent test chamber 45 is fixedly connected to the limiting block 8 .
[0086] The push plate 13 that is not connected to the U-shaped connecting frame 6 is pressed against the step of the slide bar 5 under the action of the spring 7 , so that the push plate 13 is conveniently connected to the U-shaped connecting frame 6 .
[0087] To further optimize the solution, the wave elimination unit includes:
[0088] The wave-breaking dike 30 is fixedly connected to one end of the transparent test chamber 45 away from the push plate 13. The side of the wave-breaking dike 30 facing the push plate 13 is set as an inclined surface. A cavity is set in the wave-breaking dike 30. A plurality of water holes 32 are opened on the inclined surface of the wave-breaking dike 30. The plurality of water holes 32 are distributed in an array.
[0089] The wave-breaking block group 31 is stacked on the slope side of the wave-breaking dike 30;
[0090] Two wave-absorbing wheels 33 are rotatably connected in the cavity.
[0091] The waves hit the wave-breaking block group 31, and then the water enters the cavity through the gap of the wave-breaking block group 31 and the water hole 32. The wave-breaking wheel 33 rotates to consume energy again, and at the same time, the water is sent out through the water hole 32 at the bottom of the wave-breaking dike 30.
[0092] To further optimize the solution, the simulation components include:
[0093] A U-shaped frame 26 is disposed in the transparent test chamber 45, and the bottom wall of the U-shaped frame 26 is adsorbed to the bottom wall of the transparent test chamber 45;
[0094] Two handles 27 are fixed to the two ends of the U-shaped frame 26, and the handles 27 extend out of the transparent test chamber 45;
[0095] The simulation test block 25 is preset in the U-shaped frame 26 , and the monitoring unit is embedded in the simulation test block 25 .
[0096] To further optimize the program, the monitoring department includes:
[0097] A plurality of fiber grating sensors 28 are pre-buried in the simulation test block 25, and the plurality of fiber grating sensors 28 are connected in series via optical fibers 29;
[0098] The optical fiber demodulator 24 is signal-connected to a plurality of optical fiber grating sensors 28 via optical fibers 29 .
[0099] To further optimize the solution, the water circulation components include:
[0100] The filter box 37 is fixedly connected to one end of the transparent test chamber 45, and the top end of the filter box 37 is threadedly connected with a sealing cover 36;
[0101] The fixed frame 40 is fixedly connected to the filter box 37 in the circumferential direction, and the filter membrane 39 is arranged on the top of the fixed frame 40;
[0102] A negative pressure pump 38 is fixed to the outer wall of the filter box 37 and communicated with the filter box 37;
[0103] The water suction pipe 34 has one end connected to the upper part of the filter box 37, and the other end extends into the transparent test chamber 45 and is close to the bottom wall of the transparent test chamber 45. The water suction pipe 34 is provided with a second one-way valve 35;
[0104] The water tank 20 is fixedly connected to the bottom end of the transparent test chamber 45. The water tank 20 is connected to the filter box 37. An inclined plate 23 is fixedly connected to the bottom wall of the water tank 20. The high end of the inclined plate 23 is close to the filter box 37.
[0105] The water pump 21 is fixedly connected in the water tank 20 . The water pump 21 is located at the lower end of the inclined plate 23 . The water pump 21 is connected to the transparent test chamber 45 . A first one-way valve 22 is provided between the water pump 21 and the transparent test chamber 45 .
[0106] Start the negative pressure pump 38, the sewage is sucked into the filter box 37, and then enters the water tank 20 after being filtered by the filter membrane 39. In the next test, the sewage is sent to the transparent test cabin 45 through the water pump 21.
[0107] Further optimizing the scheme, the wave-absorbing wheel 33 includes:
[0108] Two rotating shafts 332 are arranged in parallel and symmetrically. Both rotating shafts 332 are rotatably connected in the transparent test chamber 45. One end of the rotating shaft 332 passes through the transparent test chamber 45 and is coaxially fixed with a gear 44. The two gears 44 are meshed. One of the rotating shafts 332 passes through the gear 44 and is connected to the second motor 42 through a synchronous belt 43. The second motor 42 is fixed to the outer wall of the transparent test chamber 45.
[0109] Two fixed wheels 331 are coaxially fixed to the rotating shaft 332. The two fixed wheels 331 are both located in the transparent test chamber 45 and close to two opposite side walls of the transparent test chamber 45.
[0110] A plurality of baffles 333 are fixedly connected between the two fixed wheels 331 , and the plurality of baffles 333 are arranged at equal intervals in the circumferential direction.
[0111] The second motor 42 drives one of the rotating shafts 332 to rotate, and further drives the two impellers 33 to rotate, thereby realizing energy consumption of water.
[0112] A working method of a submarine landslide physical model test device, based on the submarine landslide physical model test device, comprises the following steps:
[0113] S1, pouring water into the transparent test chamber 45;
[0114] S2, placing the simulated component into the transparent test chamber 45;
[0115] S3, generating waves by the wave-generating part, eliminating waves by the wave-breaking part, and recording data by the monitoring part;
[0116] S4. After the test is completed, the water after the test is purified and stored through the water circulation component for use in the next test.
[0117] Specific working methods:
[0118] First, a set amount of water is put into the transparent test chamber 45, and then the U-shaped frame 26 is put into the set position in the transparent test chamber 45 by holding the handle 27. A pre-made simulation test block 25 is arranged on the U-shaped frame 26. The motor 15 is adjusted to rotate to drive the worm gear 18 to rotate, and the worm gear 18 drives the U-shaped connecting frame 6 to move up and down, so as to simulate waves of different depths. The waves hit the wave-breaking block group 31 to consume energy initially, and then the water enters the cavity through the gap of the wave-breaking block group 31 and the water hole 32. The wave-breaking wheel 33 rotates to consume energy again, and at the same time, the water is sent out through the water hole 32 at the bottom of the wave-breaking dam 30. The data of the simulation test block 25 during the test is recorded by the fiber grating sensor 28;
[0119] After the test is completed, the end of the transparent test chamber 45 away from the filter box 37 is raised, and the negative pressure pump 38 is started. The sewage is sucked into the filter box 37, and the sewage enters the water tank 20 after being filtered by the filter membrane 39. In the next test, it can be sent to the transparent test chamber 45 through the water pump 21.
[0120] In the description of the present invention, it should be understood that the terms "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside" and "outside" etc., indicating orientations or positional relationships, are based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present invention.
[0121] The embodiments described above are only descriptions of the preferred modes of the present invention, and are not intended to limit the scope of the present invention. Without departing from the design spirit of the present invention, various modifications and improvements made to the technical solutions of the present invention by ordinary technicians in this field should all fall within the protection scope determined by the claims of the present invention.
Claims
1. A submarine landslide physical model test equipment, characterized in that: include: Transparent test chamber (45); A wave-making part, arranged at one end of the transparent test chamber (45); A wave-breaking portion, arranged at the other end of the transparent test chamber (45); A simulation component is arranged between the wave-making part and the wave-breaking part; A water circulation component connected to the transparent test chamber (45); A monitoring unit, buried in the simulation component; The wave-making part comprises: A first mounting plate (1) fixedly connected to the outer side wall of the transparent test chamber (45); A first motor (41) is fixedly connected to one side of the first mounting plate (1); an output shaft of the first motor (41) passes through the first mounting plate (1) and is coaxially fixedly connected to a rotating disk (2); A connecting rod (3), one end of which is rotatably connected to a side of the rotating disk (2) away from the first mounting plate (1), and the other end of which is rotatably connected to one end of a push rod (4); a connection point between the connecting rod (3) and the rotating disk (2) is eccentrically arranged with respect to the rotating disk (2); the push rod (4) is arranged horizontally; the other end of the push rod (4) penetrates into the transparent test chamber (45); and the push rod (4) is slidably connected to the transparent test chamber (45); A plurality of push plates (13) are arranged in order from top to bottom, the push plates (13) are arranged in the transparent test chamber (45), and the plurality of push plates (13) are connected to one end of the push rod (4) extending into the transparent test chamber (45) through an adjustment component; The adjustment component comprises: A connecting block (9) fixedly connected to one end of the push rod (4) extending into the transparent test chamber (45); A first connecting groove (11) is vertically provided on the connecting block (9), wherein the first connecting groove (11) passes through the connecting block (9); An adjusting motor (15) is fixedly connected to one side of the connecting block (9) via a bearing plate (14), and a worm (16) is coaxially fixedly connected to an output shaft of the adjusting motor (15); A fixing plate (17) is fixedly connected to one side of the connecting block (9); a worm wheel (18) is rotatably connected to one side of the fixing plate (17); the worm wheel (18) is meshed with the worm (16); a through slot (19) is formed on the connecting block (9); the worm wheel (18) extends into the through slot (19); A U-shaped connecting frame (6), one end of which is slidably connected in the first connecting groove (11), a rack (10) is fixedly connected to one side of the U-shaped connecting frame (6), the rack (10) is meshed with the worm gear (18), and the other end of the U-shaped connecting frame (6) is slidably connected in the second connecting groove (12), and the second connecting groove (12) is vertically opened in the middle of the push plate (13); The push plate (13) is slidably connected to horizontally arranged sliding rods (5) on opposite sides, and the sliding rod (5) is provided with a step. The push plate (13) is slidably connected to the small end of the sliding rod (5), and the large end of the sliding rod (5) is fixedly connected to the inner wall of the transparent test chamber (45). A spring (7) is sleeved on the outer side of the sliding rod (5), and one end of the spring (7) is fixedly connected to the inner wall of the transparent test chamber (45), and the other end of the spring (7) is fixedly connected to the push plate (13); One end of the sliding rod (5) away from the inner wall of the transparent test chamber (45) is fixedly connected to a limiting block (8).
2. A submarine landslide physical model test equipment according to claim 1, characterized in that: The wave-breaking part comprises: A wave-breaking dam (30) is fixedly connected to one end of the transparent test chamber (45) away from the push plate (13); a side of the wave-breaking dam (30) facing the push plate (13) is arranged as an inclined surface; a cavity is arranged in the wave-breaking dam (30); a plurality of water holes (32) are opened on the inclined surface of the wave-breaking dam (30); and the plurality of water holes (32) are distributed in an array; A wave-breaking block group (31) is stacked on the slope side of the wave-breaking dam (30); Two wave-absorbing wheels (33) are rotatably connected in the cavity.
3. A submarine landslide physical model test equipment according to claim 1, characterized in that: The simulation components include: A U-shaped frame (26) is arranged in the transparent test chamber (45), and the bottom wall of the U-shaped frame (26) is arranged to be adsorbed to the bottom wall of the transparent test chamber (45); Two handles (27) are respectively fixed to the two ends of the U-shaped frame (26), and the handles (27) extend out of the transparent test chamber (45); The simulation test block (25) is pre-installed in the U-shaped frame (26), and the monitoring unit is pre-buried in the simulation test block (25).
4. A submarine landslide physical model test equipment according to claim 3, characterized in that: The monitoring unit comprises: A plurality of fiber grating sensors (28) are pre-buried in the simulation test block (25), and the plurality of fiber grating sensors (28) are connected in series via optical fibers (29); The optical fiber demodulator (24) is signal-connected to the plurality of optical fiber grating sensors (28) via the optical fiber (29).
5. The submarine landslide physical model test equipment according to claim 1, characterized in that: The water circulation component comprises: A filter box (37) is fixedly connected to one end of the transparent test chamber (45), and a sealing cover (36) is threadedly connected to the top of the filter box (37); A fixed frame (40) is fixedly connected to the filter box (37) in a circumferential direction, and a filter membrane (39) is arranged above the fixed frame (40); A negative pressure pump (38) is fixedly connected to the outer wall of the filter box (37) and is in communication with the filter box (37); A water suction pipe (34), one end of which is in communication with the upper part of the filter box (37), and the other end of which extends into the transparent test chamber (45) and is close to the bottom wall of the transparent test chamber (45), and a second one-way valve (35) is provided on the water suction pipe (34); A water tank (20) is fixedly connected to the bottom end of the transparent test chamber (45), the water tank (20) is connected to the filter box (37), an inclined plate (23) is fixedly connected to the bottom wall of the water tank (20), and the high end of the inclined plate (23) is close to the filter box (37); A water pump (21) is fixedly connected in the water tank (20). The water pump (21) is located at the lower end of the inclined plate (23). The water pump (21) is connected to the transparent test chamber (45). A first one-way valve (22) is provided between the water pump (21) and the transparent test chamber (45).
6. A submarine landslide physical model test equipment according to claim 2, characterized in that: The wave-breaking wheel (33) comprises: Two rotating shafts (332) are arranged in parallel and symmetrically, and both rotating shafts (332) are rotatably connected in the transparent test chamber (45). One end of the rotating shaft (332) passes through the transparent test chamber (45) and is coaxially fixed with a gear (44). The two gears (44) are meshed, and one of the rotating shafts (332) passes through the gear (44) and is transmission-connected to the second motor (42) via a synchronous belt (43). The second motor (42) is fixed to the outer side wall of the transparent test chamber (45); Two fixed wheels (331) are coaxially fixed to the rotating shaft (332), and the two fixed wheels (331) are both located in the transparent test chamber (45) and are respectively close to two opposite side walls of the transparent test chamber (45); A plurality of baffles (333) are fixedly connected between the two fixed wheels (331), and the plurality of baffles (333) are arranged at equal intervals in the circumferential direction.
7. A working method of a submarine landslide physical model test device, based on the submarine landslide physical model test device according to any one of claims 1 to 6, characterized in that: The following steps are involved: S1, pouring water into the transparent test chamber (45); S2, placing the simulated component into a transparent test chamber (45); S3, generating waves by the wave-generating part, eliminating waves by the wave-breaking part, and recording data by the monitoring part; S4. After the test is completed, the water after the test is purified and stored through the water circulation component for use in the next test.
Citation Information
Patent Citations
Wave generator for laboratory wave height detection
CN214538465U
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