A physical sedimentation simulation experimental device and experimental method for beach-bar sand body research

Abstract

The invention discloses a physical sedimentation simulation experimental device and experimental method for beach-bar sand body research. The invention comprises: a simulation experimental table, a plurality of sedimentation simulation boxes, an environmental simulation box 1, an environmental simulation box 2, two environmental simulation control mechanisms, a control top plate, a plurality of processing rotary tubes and a synchronous processing control mechanism, the plurality of sedimentation simulation boxes are fixedly mounted on the top of the simulation experimental table, the tops of the plurality of sedimentation simulation boxes are all open, the environmental simulation box 1 and the environmental simulation box 2 are fixedly mounted on the top of the simulation experimental table, and the plurality of sedimentation simulation boxes are arranged between the environmental simulation box 1 and the environmental simulation box 2, which solves the problem that most of the existing simulation experimental devices simulate the environment by manual stacking methods, and the experiment is manually controlled according to data, resulting in a lack of rigor in spatial scale and time scale, and the experimental variable type is too single, which cannot fit the actual environmental requirements as much as possible, and is inconvenient for rapid replication and horizontal comparison of fixed sedimentary landform environments.

Description

Technical Field

[0001] The invention relates to the technical field of sedimentation simulation experiments, in particular to a physical sedimentation simulation experiment device and an experiment method for beach-bar sand body research. Background Art

[0002] Beach bar is a common sand body in shallow lake area, which is the general term for beach and bar. In its formation process, it is mainly controlled by waves and coastal currents. Beach bar is mostly developed in parallel with the lake shoreline, distributed in the lakeside area, and is in the shape of a sheet or a wide belt. Beach bar sand body has good physical properties due to repeated washing by lake waves, and has become a hot spot of attention in the oil exploration community in recent years. Beach bar is generally formed by bidirectional flow, beach bar is formed by directional flow, the two are either superimposed and symbiotic, or developed separately. Beach bar is characterized by the orderly superposition of three sedimentary sequences A, B, and C in the vertical direction, with frequent interlayering of positive and negative grain sequences, and generally there are aeolian deposits on the top. Beach bar is characterized by a sequence composed of multiple positive grain sequence segments in the vertical direction, with local intercalation of negative grain sequence segments and lagoon mudstone deposits. At present, in the process of studying beach bar sand bodies, in order to obtain information intuitively, physical sedimentation simulation experiments are usually carried out. However, most of the simulation experimental devices currently in use on the market are artificial simulation environments, and the water flow and various data are manually simulated, which cannot meet the actual environmental requirements as much as possible, and are not convenient for rapid replication and horizontal comparison of fixed scenes. Summary of the invention

[0003] The purpose of the embodiments of the present invention is to provide a physical sedimentation simulation experimental device and an experimental method for beach and bar sand body research, so as to solve the problem that most of the existing simulation experimental devices are artificial simulation environments, and manually simulate water flows and various data, which cannot meet the actual environmental requirements as much as possible, and are not convenient for rapid replication and horizontal comparison of fixed scenes.

[0004] To achieve the above-mentioned purpose, an embodiment of the present invention provides a physical deposition simulation experimental device for beach-bar sand body research, comprising: a simulation experimental table, a plurality of deposition simulation boxes, an environmental simulation box 1, an environmental simulation box 2, two environmental simulation control mechanisms, a control top plate, a plurality of processing rotary tubes and a synchronous processing control mechanism, wherein the plurality of deposition simulation boxes are fixedly mounted on the top of the simulation experimental table, the tops of the plurality of deposition simulation boxes are all open, the environmental simulation box 1 and the environmental simulation box 2 are fixedly mounted on the top of the simulation experimental table, the plurality of deposition simulation boxes are arranged between the environmental simulation box 1 and the environmental simulation box 2, the two environmental simulation control mechanisms are arranged on the corresponding environmental simulation box 1 and the environmental simulation box 2, the control top plate is arranged on the top of the simulation experimental table, a displacement driving mechanism is arranged on the simulation experimental table, the displacement driving mechanism is connected to the control top plate, a fixed cavity is opened on the control top plate, a plurality of rotating holes are opened on the bottom inner wall of the fixed cavity, and the processing rotary tube is rotatably mounted on the corresponding In the corresponding rotating hole, several processing rotating tubes are fixedly sleeved with bottom-shaped grinding heads, the processing rotating tubes are arranged on the top of the corresponding deposition simulation box, the synchronous processing control mechanism is arranged in the fixed cavity, the synchronous processing control mechanism is connected to the several processing rotating tubes, the environmental simulation control mechanism includes several conveying control tubes, several switch control panels, several rotating valve plates, several blowing conveying pipes and blowers, several conveying control tubes are fixedly installed on the inner wall of one side of the environmental simulation box, one end of the conveying control tube is fixedly installed in the corresponding deposition simulation box, several conveying control tubes are fixedly installed with switch control panels, one side of several switch control panels are provided with conveying holes, one side of several switch control panels are rotatably installed with rotating valve plates, one side of the environmental simulation box is fixedly installed with a blower, the air outlet of the blower is fixedly installed with a fixed tube, several blowing conveying pipes are fixedly installed on the fixed tube, and the blowing conveying pipe is fixedly installed on the corresponding conveying control tube.

[0005] Furthermore, the synchronous processing control mechanism includes a plurality of collecting fixed tubes, a plurality of spiral conveying rods, a plurality of collecting boxes, a plurality of gears, a rack, a servo motor and a cam. A plurality of collecting fixed tubes are fixedly installed on the inner wall of one side of the fixed cavity. The collecting fixed tubes are arranged in the corresponding processing rotating tube. Screw conveying rods are rotatably installed in the plurality of collecting fixed tubes. Pullets are fixedly installed at one end of the plurality of spiral conveying rods. The plurality of pulleys are connected to the same belt for transmission. A driven sprocket is fixedly installed on one of the plurality of pulleys.

[0006] Furthermore, a gear 1 is fixedly installed on several processing rotating tubes, a rack 1 is slidably installed on the inner wall of the fixed cavity, the rack 1 is meshed with several gears, a servo motor is fixedly installed on the inner wall of the fixed cavity, a cam is fixedly connected to the output shaft of the servo motor, the cam is in contact with one end of the rack 1, a control round rod is fixedly installed on the cam, a driving sprocket is fixedly connected to one end of the control round rod, the driving sprocket and the driven sprocket are transmission-connected with the same chain, a discharge pipe is fixedly installed on one side of several collecting fixed tubes, several collecting boxes are installed in the fixed cavity, and the discharge pipe is arranged on the collecting box.

[0007] Furthermore, the displacement drive mechanism includes two electric slide rails, two lifting cylinders, two connecting control seats, gear 2, a worm and a stepper motor. Electric slide rails are fixedly installed on both sides of the simulation experimental table. Lifting cylinders are fixedly connected to the two electric slide rails. Connecting control seats are fixedly installed on the output shafts of the two lifting cylinders. Two fixing grooves are provided at the bottom of the control top plate. The connecting control seats are installed in the corresponding fixing grooves, and rack 2 is fixedly installed on the inner wall of the fixing groove.

[0008] Furthermore, a groove is provided on the top of the connection control seat, and a gear 2 is rotatably installed in the groove, and the gear 2 is meshed with a rack 2. A worm gear is fixedly installed on the center of the circle of the gear 2, and a stepper motor is fixedly installed on the bottom inner wall of the groove. A worm is fixedly connected to the output shaft of the stepper motor, and the worm gear is meshed with the worm gear.

[0009] Furthermore, hinges are fixedly installed on several switch control panels, the opening angles of the hinges are different, the rotating valve plate is rotatably connected to the corresponding switch control panel through the hinges, and flow control valves are fixedly installed on several blowing delivery pipes.

[0010] Furthermore, a circular groove is provided on one side of the switch control plate, a circular rod is fixedly installed on the rotating valve plate, the circular rod is slidably installed in the circular groove, a spring is fixedly installed at one end of the circular rod, and the spring is fixedly connected to the inner wall of the circular groove.

[0011] Furthermore, two mounting frames are fixedly installed on the top of the simulation test bench, and the same detection top plate is fixedly installed on the two mounting frames. A plurality of observation cameras are fixedly installed on the bottom of the detection top plate.

[0012] Furthermore, two sliding grooves are provided on the bottom inner wall of the fixed cavity, and two fixed blocks are fixedly installed at the bottom of rack one. The fixed blocks are slidably installed in the corresponding sliding grooves. Springs are fixedly installed on the inner walls of one side of the two sliding grooves, and the springs are fixedly installed on the corresponding fixed blocks.

[0013] The present invention also provides a physical sedimentation simulation experimental method for beach-bar sand body research, comprising the following steps:

[0014] S1: Before the simulation experiment begins, all equipment is checked and materials are prepared. Simulated lake basin sediments of the same mass and material are placed in several sediment simulation boxes, waiting for the model to be reshaped. Sediment mixed with water is added to environment simulation box 1 and environment simulation box 2 respectively. The mixing ratio of sediment to water in environment simulation box 1 is 1:25, and the mixing ratio of sediment to water in environment simulation box 2 is 1:30.

[0015] S2: Use the modeling software 3D-MAX to model the landform, obtain and export the simulated environment stl file, then import the simulated environment stl file into the Cura software to generate a gcode code, import the gcode code into the 3D printer and perform modeling and printing to obtain several simulated sedimentary landform environment models, put the simulated sedimentary landform environment models into corresponding sedimentary simulation boxes, and lay the simulated lake basin sediments in each sedimentary simulation box on the corresponding simulated sedimentary landform environment model to obtain the initial environment simulation parts;

[0016] S3: Upload the environmental simulation refinement data to the controller on the simulation experimental table. The controller drives the electric slide rail to move according to the control signal, and the electric slide rail drives the lifting cylinder to move. The lifting cylinder drives the control top plate to move, and the bottom shape grinding head on the control top plate moves to the top of the sedimentation simulation box. The lifting cylinder drives the control top plate to move downward, so that the bottom shape grinding head moves to the inside of the sedimentation simulation box and contacts with the simulated lake basin sediment. The servo motor drives the cam to rotate, and the cam repeatedly pushes the rack one, and the rack one drives several gears two to rotate, and the gear two drives the corresponding processing rotating tube to rotate back and forth, and the processing rotating tube drives the bottom shape grinding head to rotate back and forth, so that the distribution pattern and morphology of the simulated lake basin sediment fit the actual characteristics of the study area;

[0017] S4: The cam drives the control rod to rotate, the control rod drives the driving sprocket to rotate, the driving sprocket drives the driven sprocket to rotate through the chain, the driven sprocket drives the pulley to rotate, the pulley drives other pulleys to rotate together through the belt, the pulley controls the corresponding spiral conveying rod to rotate, the spiral conveying rod conveys the sand and mud polished off and puts it into the collection box, and the environmental details in several sedimentation simulation boxes are optimized according to the control signal. The synchronous movement of several bottom grinding heads can make the sedimentation environment in several sedimentation simulation boxes the same;

[0018] S5: After the simulation environment is ready, the observation camera on the top plate is used to collect the initial state image of the corresponding deposition simulation box. At the same time, the top plate is controlled to drive the bottom grinding head and the processing rotating tube to reset. The sediment mixed water in the environment simulation box 1 is delivered to the delivery control tube by the delivery pump. Due to the delivery pressure, the sediment mixed water squeezes the rotating valve plate, and the rotating valve plate opens the delivery hole. The opening degree of each rotating valve plate is different, so the flow rate of the sediment mixed water in each deposition simulation box is different. Multiple groups of experiments under different conditions can be carried out for horizontal comparison;

[0019] S6: The blower sends air into each air blowing conveying pipe. When the air blows into the conveying control pipe, the other side of the rotating valve plate is used as a guide plate to guide the air blow, and the air blows together with the sediment mixed water flow into the deposition simulation box to simulate physical deposition. The flow control valve in each air blowing conveying pipe has a different opening degree, and the flow control valve can also be adjusted according to the experimental requirements;

[0020] S7: When the environmental simulation box 1 is opened alone, the silt-water mixture inside it flows in a directional manner from a single position, and the formation state of the beach bar can be observed. When the environmental simulation box 1 and the environmental simulation box 2 are opened at the same time, a two-way flow simulation experiment can be carried out, and the formation state of the beach bar on both sides can be observed. During the simulation experiment, several observation cameras are used to shoot and record the images in each deposition simulation box. The shooting interval is 2 minutes. The images taken by each observation camera are taken out for comparison, and the deposition results of the beach bar sand body under the influence of different factors can be obtained.

[0021] The embodiments of the present invention have the following advantages:

[0022] By placing several sedimentation simulation boxes side by side and conducting synchronous experiments, factors such as the sedimentation environment, sediment content, and wind power can be controlled, and single-variable or multi-variable experimental comparisons can be performed. Environmental simulation box one and environmental simulation box two can perform automatic environmental simulation, and can automatically simulate data such as water flow and sediment content, which can be as close to the actual sedimentation environment requirements as possible, and facilitate rapid replication and horizontal comparison of fixed scenes. This solves the problem that most existing simulation experimental devices simulate the environment by manual stacking methods, and manually control experiments based on data, resulting in a lack of rigor in spatial and temporal scales, and the experimental variable types are too single, which cannot be as close to the actual environmental requirements as possible, and is not convenient for rapid replication and horizontal comparison of fixed sedimentation environments. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 It is a three-dimensional structural schematic diagram of a physical sedimentation simulation experimental device for beach-bar sand body research of the present invention;

[0024] Figure 2It is a schematic diagram of the main structure of a physical sedimentation simulation experimental device for beach-bar sand body research according to the present invention;

[0025] Figure 3 It is a structural schematic diagram of a simulation experiment table, a lifting cylinder, a control top plate and a plurality of bottom grinding heads of a physical deposition simulation experiment device for beach bar sand body research of the present invention;

[0026] Figure 4 It is a structural schematic diagram of a detection top plate and an observation camera of a physical deposition simulation experimental device for beach bar sand body research of the present invention;

[0027] Figure 5 This is a schematic structural diagram of part A of a physical sedimentation simulation experimental device for beach-bar sand body research of the present invention;

[0028] Figure 6 This is a schematic structural diagram of part B of a physical sedimentation simulation experimental device for beach-bar sand body research of the present invention;

[0029] Figure 7 This is a schematic structural diagram of part C of a physical sedimentation simulation experimental device for beach-bar sand body research of the present invention;

[0030] Figure 8 A curve diagram of water level height and beach bar thickness of a physical sedimentation simulation experimental device for beach bar research according to the present invention

[0031] Figure numerals: 1. simulation test bench; 2. deposition simulation box; 3. environment simulation box one; 4. environment simulation box two; 5. conveying control tube; 6. switch control board; 7. rotating valve plate; 8. blowing conveying tube; 9. blower; 10. detection top plate; 11. observation camera; 12. electric slide rail; 13. lifting cylinder; 14. control top plate; 15. connection control seat; 16. processing rotating tube; 17. bottom grinding head; 18. collection fixed tube; 19. spiral conveying rod; 20. collection box; 21. gear one; 22. rack one; 23. servo motor; 24. cam; 25. pulley; 26. driving sprocket; 27. control round rod; 28. driven sprocket; 29. ​​gear two; 30. stepper motor; 31. worm. DETAILED DESCRIPTION

[0032] The following examples are used to illustrate the present invention but are not intended to limit the scope of the present invention.

[0033] Embodiment 1

[0034] Please also read Figure 1-Figure 7A physical deposition simulation experimental device for beach-bar sand body research comprises: a simulation experimental table 1, a plurality of deposition simulation boxes 2, an environmental simulation box 1 3, an environmental simulation box 2 4, a control top plate 14 and a plurality of processing rotating tubes 16, wherein the plurality of deposition simulation boxes 2 are fixedly mounted on the top of the simulation experimental table 1, the tops of the plurality of deposition simulation boxes 2 are all open, the environmental simulation box 1 3 and the environmental simulation box 2 4 are fixedly mounted on the top of the simulation experimental table 1, the plurality of deposition simulation boxes 2 are arranged between the environmental simulation box 1 3 and the environmental simulation box 2 4, the control top plate 14 is arranged on the top of the simulation experimental table 1, a fixed cavity is opened on the control top plate 14, a plurality of rotating holes are opened on the bottom inner wall of the fixed cavity, the processing rotating tube 16 is rotatably installed in the corresponding rotating hole, and a bottom-shaped grinding head 17 is fixedly sleeved on a plurality of processing rotating tubes 16. The processing rotating tube 16 is arranged on the top of the corresponding deposition simulation box 2. A plurality of collecting fixed tubes 18 are fixedly installed on the inner wall of one side of the fixed cavity. The collecting fixed tubes 18 are arranged in the corresponding processing rotating tube 16. A spiral conveying rod 19 is rotatably installed in a plurality of collecting fixed tubes 18. A plurality of spiral conveying rods 19 are fixedly installed at one end with a pulley 25. The plurality of pulleys 25 are connected to the same belt for transmission. A driven sprocket 28 is fixedly installed on one of the pulleys 25. A gear 21 is fixedly installed on a plurality of processing rotating tubes 16. A gear 21 is slidably installed on the inner wall of the fixed cavity. A rack 22 is installed, and the rack 22 is meshed with several gears 21. A servo motor 23 is fixedly installed on the inner wall of the fixed cavity. A cam 24 is fixedly connected to the output shaft of the servo motor 23. The cam 24 contacts one end of the rack 22. A control round rod 27 is fixedly installed on the cam 24. A driving sprocket 26 is fixedly connected to one end of the control round rod 27. The driving sprocket 26 and the driven sprocket 28 are connected by the same chain. A discharge pipe is fixedly installed on one side of several collecting fixed tubes 18. Several collecting boxes 20 are installed in the fixed cavity. The discharge pipe is arranged on the collecting box 20. Several conveying control tubes 5 are fixedly installed on the inner wall of one side of the environmental simulation box 3. One end of the pipe 5 is fixedly installed in the corresponding deposition simulation box 2, and a switch control board 6 is fixedly installed in a plurality of conveying control pipes 5. A conveying hole is opened on one side of a plurality of switch control boards 6, and a rotating valve plate 7 is rotatably installed on one side of a plurality of switch control boards 6. A blower 9 is fixedly installed on one side of the environmental simulation box 3, and a fixed pipe is fixedly installed on the air outlet of the blower 9, and a plurality of blowing conveying pipes 8 are fixedly installed on the fixed pipe, and the blowing conveying pipes 8 are fixedly installed on the corresponding conveying control pipe 5. Electric slide rails 12 are fixedly installed on both sides of the simulation test bench 1, and lifting cylinders 13 are fixedly connected to the two electric slide rails 12, and connection control seats 15 are fixedly installed on the output shafts of the two lifting cylinders 13.The bottom of the control top plate 14 is provided with two fixed grooves, and the connection control seat 15 is installed in the corresponding fixed grooves. A rack 2 is fixedly installed on the inner wall of the fixed groove. The top of the connection control seat 15 is provided with a groove, and a gear 29 is rotatably installed in the groove. The gear 29 meshes with the rack 2. A worm wheel is fixedly installed on the center of the circle of the gear 29. A stepper motor 30 is fixedly installed on the inner wall of the bottom of the groove. A worm 31 is fixedly connected to the output shaft of the stepper motor 30, and the worm 31 meshes with the worm wheel.

[0035] In this embodiment, hinges are fixedly mounted on a plurality of switch control panels 6 , and the opening angles of the plurality of hinges are different. The rotating valve plate 7 is rotatably connected to the corresponding switch control panel 6 through the hinges.

[0036] In this embodiment, a circular groove is provided on one side of the switch control plate 6, a circular rod is fixedly installed on the rotating valve plate 7, the circular rod is slidably installed in the circular groove, a spring is fixedly installed at one end of the circular rod, and the spring is fixedly connected to the inner wall of the circular groove.

[0037] In this embodiment, two mounting frames are fixedly installed on the top of the simulation test bench 1 , and the same detection top plate 10 is fixedly installed on the two mounting frames. A plurality of observation cameras 11 are fixedly installed on the bottom of the detection top plate 10 .

[0038] In this embodiment, two sliding grooves are provided on the bottom inner wall of the fixed cavity, and two fixed blocks are fixedly installed at the bottom of the rack 22. The fixed blocks are slidably installed in the corresponding sliding grooves. Springs are fixedly installed on the inner wall of one side of the two sliding grooves, and the springs are fixedly installed on the corresponding fixed blocks.

[0039] This embodiment also provides a physical sedimentation simulation experimental method for beach-bar sand body research, comprising the following steps:

[0040] S1: Before the simulation experiment begins, all equipment is checked and materials are prepared. Simulated lake basin sediments of the same mass and material are placed in several sediment simulation boxes 2, waiting for the model to be reshaped. Sediment mixed with water is added to the environment simulation box 1 3 and the environment simulation box 2 4 respectively. The mixing ratio of mud, sand and water in the environment simulation box 1 3 is 2:5:25, and the mixing ratio of mud, sand and water in the environment simulation box 2 4 is 1:10:40;

[0041] S2: Use the modeling software 3D-MAX to model the landform, obtain and export the simulated environment stl file, then import the simulated environment stl file into the Cura software to generate a gcode code, import the gcode code into the 3D printer and perform modeling and printing to obtain several simulated sedimentary landform environment models, put the simulated sedimentary landform environment models into the corresponding sedimentary simulation box 2, and lay the simulated lake basin sediments in each sedimentary simulation box 2 on the corresponding simulated sedimentary landform environment model to obtain the initial environment simulation parts;

[0042] S3: Upload the environmental simulation refinement data to the controller on the simulation experimental table 1. The controller drives the electric slide rail 12 to move according to the control signal. The electric slide rail 12 drives the lifting cylinder 13 to move. The lifting cylinder 13 drives the control top plate 14 to move. The bottom shape grinding head 17 on the control top plate 14 moves to the top of the sedimentation simulation box 2. The lifting cylinder 13 drives the control top plate 14 to move downward, so that the bottom shape grinding head 17 moves to the inside of the sedimentation simulation box 2 and contacts with the simulated lake basin sediment. The servo motor 23 drives the cam 24 to rotate. The cam 24 repeatedly pushes the rack 1 22. The rack 1 22 drives several gears 29 to rotate. The gears 29 drive the corresponding processing rotating tube 16 to rotate back and forth. The processing rotating tube 16 drives the bottom shape grinding head 17 to rotate back and forth, so that the distribution pattern and morphology of the simulated lake basin sediment fit the actual characteristics of the study area.

[0043] S4: The cam 24 drives the control rod 27 to rotate, the control rod 27 drives the driving sprocket 26 to rotate, the driving sprocket 26 drives the driven sprocket 28 to rotate through the chain, the driven sprocket 28 drives the pulley 25 to rotate, the pulley 25 drives other pulleys 25 to rotate together through the belt, the pulley 25 controls the corresponding spiral conveying rod 19 to rotate, the spiral conveying rod 19 conveys the polished sediment and enters the collection box 20, and the environmental details in the several deposition simulation boxes 2 are optimized according to the control signal. The synchronous movement of the several bottom shape grinding heads 17 can make the simulated deposition environments in the several deposition simulation boxes 2 the same;

[0044] S5: After the simulation environment is ready, the observation camera 11 on the detection top plate 10 collects the initial state picture of the corresponding deposition simulation box 2, and at the same time controls the top plate 14 to drive the bottom grinding head 17 and the processing rotating tube 16 to reset. The sediment mixed water in the environment simulation box 3 is delivered to the delivery control tube 5 by the delivery pump. Due to the delivery pressure, the sediment mixed water squeezes the rotating valve plate 7, and the rotating valve plate 7 opens the delivery hole. The opening degree of each rotating valve plate 7 is different, so the flow rate of the sediment mixed water in each deposition simulation box 2 is different. Multiple groups of experiments under different conditions can be carried out for horizontal comparison;

[0045] The deposition amounts in several deposition simulation boxes 2 are recorded, and the average of the results is calculated and recorded:

[0046]

[0047] S6: The blower 9 sends wind into each blowing conveying pipe 8. When the blowing enters the conveying control pipe 5, the other side of the rotating valve plate 7 is used as a guide plate to guide the blowing, and the blowing together with the sediment mixed water flows into the deposition simulation box 2 to simulate physical deposition. The opening degree of the flow control valve in each blowing conveying pipe 8 is different, and the flow control valve can also be adjusted according to the experimental requirements. The blowing angle of the blowing conveying pipe 8 can be flexibly adjusted. The blowing conveying pipe 8 on each deposition simulation box 2 can adjust different blowing angles, and a single variable can be controlled. During the experiment, scanning and modeling comparison can be performed at the same time, and different horizontal plane lifting conditions, sediment particle size and thickness are set in each deposition simulation box 2. After research, analysis and recording, the data on the relationship between beach bar morphology and wind force are obtained. Detailed parameters are shown in Table 1;

[0048] Table 1

[0049]

[0050] S7: When the environment simulation box 1 3 is opened alone, the silt mixed water inside it flows in a directional manner from a single position, and the formation state of the beach bar can be observed. When the environment simulation box 1 3 is opened and the environment simulation box 2 4 is opened at the same time, a two-way flow simulation experiment can be carried out, and the formation state of the beach bar on both sides can be observed. During the simulation experiment, a number of observation cameras 11 are used to shoot and record the images in each deposition simulation box 2. The shooting interval is 2 minutes. The images taken by each observation camera 11 are taken out for comparison, and the deposition results of the beach bar sand body under the influence of different factors can be obtained. After research, analysis and recording, a curve diagram of water level height and beach bar thickness can be obtained. Detailed parameters are shown in the attached Figure 8 ;

[0051] In summary, the present invention provides a physical sedimentation simulation experimental device for beach and bar sand body research. Before the simulation experiment begins, first check and prepare the various devices, add silt mixed water into the environment simulation box 1 3 and the environment simulation box 2 4 respectively, put the simulated sedimentary landform environment model into the corresponding sedimentary simulation box 2, and lay the simulated lake basin sediments in each sedimentary simulation box 2 on the corresponding simulated sedimentary landform environment model to obtain the initial environment simulation part, upload the environment simulation refinement data to the controller on the simulation experimental table 1, the controller drives the electric slide 12 to move according to the control signal, the electric slide 12 drives the lifting cylinder 13 to move, the lifting cylinder 13 drives the control top plate 14 to move, the bottom grinding head 17 on the control top plate 14 moves to the top of the sedimentary simulation box 2, and the lifting cylinder 13 drives the control top plate 14 to move. Move downward, so that the bottom shape grinding head 17 moves to the inside of the sedimentation simulation box 2 and contacts with the simulated lake basin sediments, the servo motor 23 drives the cam 24 to rotate, the cam 24 repeatedly pushes the rack 1 22, the rack 1 22 drives several gears 29 to rotate, the gear 2 29 drives the corresponding processing rotating tube 16 to rotate back and forth, the processing rotating tube 16 drives the bottom shape grinding head 17 to rotate back and forth, so that the distribution pattern and morphology of the simulated lake basin sediments fit the actual characteristics of the study area, the cam 24 drives the control rod 27 to rotate, the control rod 27 drives the active sprocket 26 to rotate, the active sprocket 26 drives the driven sprocket 28 to rotate through the chain, the driven sprocket 28 drives the pulley 25 to rotate, the pulley 25 drives other pulleys 25 to rotate together through the belt The pulley 25 controls the corresponding spiral conveying rod 19 to rotate, and the spiral conveying rod 19 conveys the polished sediment and enters the collection box 20. The environmental details in the several deposition simulation boxes 2 are optimized according to the control signal. The synchronous movement of the several bottom shape grinding heads 17 can make the simulation environment in the several deposition simulation boxes 2 the same. After the simulation environment is ready, the observation camera 11 on the detection top plate 10 collects the initial state picture in the corresponding deposition simulation box 2, and at the same time controls the top plate 14 to drive the bottom shape grinding head 17 and the processing rotating tube 16 to reset. The sediment mixed water in the environmental simulation box 3 is pumped into the delivery control pipe 5 by the delivery pump. Due to the delivery pressure, the sediment mixed water squeezes the rotating valve plate 7, and the rotating valve plate 7 opens the delivery hole The opening degree of each rotating valve plate 7 is different, so the flow rate of the silt-mixed water in each deposition simulation box 2 is different. Multiple groups of experiments with different conditions can be carried out for horizontal comparison. The blower 9 sends wind into each blowing conveying pipe 8. When the blowing air enters the conveying control pipe 5, the other side of the rotating valve plate 7 acts as a guide plate to guide the blowing air, and makes the blowing air and the silt-mixed water flow into the deposition simulation box 2 together to simulate physical deposition. When the environmental simulation box 1 3 is opened alone, the silt-mixed water inside it flows in a directional manner from a single position, and the formation state of the beach bar can be observed. When the environmental simulation box 1 3 is opened and the environmental simulation box 2 4 is opened at the same time, a two-way flow simulation experiment can be carried out to observe the formation state of the beach bar. During the simulation experiment,Use several observation cameras 11 to shoot and record the images in each deposition simulation box 2, and take out the images shot by each observation camera 11 for comparison, so as to obtain the deposition results of the beach bar sand body under the influence of different factors.

[0052] The simulation experiment device of the present invention can automatically simulate the environment and automatically control the water flow and related data, can meet the actual environmental requirements as much as possible, can carry out single variable comparison experiments, and is also convenient for rapid replication and horizontal comparison of fixed scenes. The simulation experiment method is advanced, the contrast is high, and the experimental data is relatively accurate.

[0053] Embodiment 2

[0054] The difference between the second embodiment and the first embodiment is that a flow control valve is fixedly installed on the blowing conveying pipe 8, and the opening degree of the flow control valve in each blowing conveying pipe 8 is different, and the flow control valve can also be adjusted according to the experimental requirements.

[0055] Although the present invention has been described in detail above by general description and specific embodiments, it is obvious to those skilled in the art that some modifications or improvements can be made to the present invention. Therefore, these modifications or improvements made without departing from the spirit of the present invention all belong to the scope of protection claimed by the present invention.

Claims

1. A physical sedimentation simulation experimental device for beach-bar sand body research, characterized in that: include: A simulation test bench (1), a plurality of deposition simulation boxes (2), an environmental simulation box 1 (3), an environmental simulation box 2 (4), two environmental simulation control mechanisms, a control top plate (14), a plurality of processing rotating tubes (16) and a synchronous processing control mechanism. The plurality of deposition simulation boxes (2) are fixedly mounted on the top of the simulation test bench (1). The tops of the plurality of deposition simulation boxes (2) are open. The environmental simulation box 1 (3) and the environmental simulation box 2 (4) are fixedly mounted on the top of the simulation test bench (1). The plurality of deposition simulation boxes (2) are arranged on the environmental simulation boxes 1 (3) and The two environmental simulation control mechanisms are arranged in the middle of the environmental simulation box 1 (3) and the environmental simulation box 2 (4), respectively; the control top plate (14) is arranged on the top of the simulation test bench (1); the simulation test bench (1) is provided with a displacement driving mechanism, the displacement driving mechanism is connected to the control top plate (14); a fixed cavity is provided on the control top plate (14); a plurality of rotating holes are provided on the bottom inner wall of the fixed cavity; the processing rotating tube (16) is rotatably installed in the corresponding rotating holes; and the plurality of processing rotating tubes (16) are fixed The fixed sleeve is provided with a bottom-shaped grinding head (17), the processing rotary tube (16) is arranged on the top of the corresponding deposition simulation box (2), the synchronous processing control mechanism is arranged in the fixed cavity, the synchronous processing control mechanism is connected with a plurality of processing rotary tubes (16), the environmental simulation control mechanism includes a plurality of conveying control tubes (5), a plurality of switch control panels (6), a plurality of rotating valve plates (7), a plurality of blowing conveying tubes (8) and a blower (9), a plurality of conveying control tubes (5) are fixedly installed on the inner wall of one side of the environmental simulation box (3), and the conveying control tubes One end of the (5) is fixedly installed in the corresponding deposition simulation box (2), a switch control board (6) is fixedly installed in each of the plurality of delivery control pipes (5), a delivery hole is opened on one side of each of the plurality of switch control boards (6), a rotating valve plate (7) is rotatably installed on one side of each of the plurality of switch control boards (6), a blower (9) is fixedly installed on one side of the environmental simulation box (3), a fixed pipe is fixedly installed on the air outlet of the blower (9), a plurality of blowing delivery pipes (8) are fixedly installed on the fixed pipe, and the blowing delivery pipes (8) are fixedly installed on the corresponding delivery control pipe (5); The synchronous processing control mechanism comprises a plurality of collecting fixed tubes (18), a plurality of spiral conveying rods (19), a plurality of collecting boxes (20), a plurality of gears (21), a rack (22), a servo motor (23) and a cam (24); a plurality of collecting fixed tubes (18) are fixedly mounted on an inner wall of one side of the fixed cavity; the collecting fixed tubes (18) are arranged in a corresponding processing rotating tube (16); a spiral conveying rod (19) is rotatably mounted in each of the collecting fixed tubes (18); a pulley (25) is fixedly mounted at one end of each of the spiral conveying rods (19); the plurality of pulleys (25) are connected to the same belt in transmission; a driven sprocket (28) is fixedly mounted on one of the pulleys (25); A gear (21) is fixedly mounted on a plurality of processing rotating tubes (16); a rack (22) is slidably mounted on the inner wall of the fixed cavity; the rack (22) meshes with a plurality of gears (21); a servo motor (23) is fixedly mounted on the inner wall of the fixed cavity; a cam (24) is fixedly connected to the output shaft of the servo motor (23); the cam (24) contacts one end of the rack (22); a control round rod (27) is fixedly mounted on the cam (24); a driving sprocket (26) is fixedly connected to one end of the control round rod (27); the driving sprocket (26) and the driven sprocket (28) are transmission-connected by the same chain; a discharge pipe is fixedly mounted on one side of a plurality of collecting fixed tubes (18); a plurality of collecting boxes (20) are mounted in the fixed cavity; the discharge pipe is arranged on the collecting boxes (20); Two mounting frames are fixedly mounted on the top of the simulation test bench (1), and a same detection top plate (10) is fixedly mounted on the two mounting frames. A plurality of observation cameras (11) are fixedly mounted on the bottom of the detection top plate (10).

2. A physical sedimentation simulation experimental device for beach-bar sand body research according to claim 1, characterized in that: The displacement drive mechanism comprises two electric slide rails (12), two lifting cylinders (13), two connection control seats (15), a second gear (29), a worm (31) and a stepping motor (30); the electric slide rails (12) are fixedly installed on both sides of the simulation test bench (1); the lifting cylinders (13) are fixedly connected to the two electric slide rails (12); the connection control seats (15) are fixedly installed on the output shafts of the two lifting cylinders (13); the bottom of the control top plate (14) is provided with two fixing grooves; the connection control seats (15) are installed in the corresponding fixing grooves; and the second rack is fixedly installed on the inner wall of the fixing groove.

3. A physical sedimentation simulation experimental device for beach-bar sand body research according to claim 2, characterized in that: The top of the connection control seat (15) is provided with a groove, a gear (29) is rotatably mounted in the groove, the gear (29) is meshed with a rack (2), a worm wheel is fixedly mounted on the center of the circle of the gear (29), a stepper motor (30) is fixedly mounted on the inner wall of the bottom of the groove, a worm (31) is fixedly connected to the output shaft of the stepper motor (30), and the worm (31) is meshed with the worm wheel.

4. A physical sedimentation simulation experimental device for beach-bar sand body research according to claim 1, characterized in that: A hinge is fixedly mounted on each of the switch control panels (6), and the opening angles of the hinges are different. The rotating valve plate (7) is rotatably connected to the corresponding switch control panel (6) through the hinge, and a flow control valve is fixedly mounted on each of the blow conveying pipes (8).

5. The physical sedimentation simulation experimental device for beach-bar sand body research according to claim 1, characterized in that: A circular groove is provided on one side of the switch control plate (6), a circular rod is fixedly mounted on the rotating valve plate (7), the circular rod is slidably mounted in the circular groove, a spring is fixedly mounted on one end of the circular rod, and the spring is fixedly connected to the inner wall of the circular groove.

6. A physical sedimentation simulation experimental device for beach-bar sand body research according to claim 1, characterized in that: Two sliding grooves are arranged on the inner wall at the bottom of the fixed cavity, and two fixed blocks are fixedly installed at the bottom of the rack (22), and the fixed blocks are slidably installed in the corresponding sliding grooves. A spring is fixedly installed on the inner wall on one side of the two sliding grooves, and the spring is fixedly installed on the corresponding fixed block.

7. A physical sedimentation simulation experimental method for beach-bar sand body research, using the physical sedimentation simulation experimental device for beach-bar sand body research according to any one of claims 1 to 6, characterized in that: The following steps are involved: S1: Before the simulation experiment begins, all equipment is checked and materials are prepared. Simulated lake basin sediments of the same mass and material are placed in several sediment simulation boxes (2) and wait for the model to be reshaped. Sediment mixed with water is added to the environment simulation box 1 (3) and the environment simulation box 2 (4). The mixing ratio of mud, sand and water in the environment simulation box 1 (3) is 2:5:25, and the mixing ratio of mud, sand and water in the environment simulation box 2 (4) is 1:10:

40. S2: Use the modeling software 3D-MAX to model the paleo-geomorphology of the study area, obtain and export the simulated environment stl file, then import the simulated environment stl file into the Cura software to generate a gcode code, import the gcode code into a 3D printer and perform modeling and printing to obtain a number of simulated sedimentary geomorphological environment models, put the simulated sedimentary geomorphological environment models into corresponding sedimentary simulation boxes (2), and lay the simulated lake basin sediments in each sedimentary simulation box (2) on the corresponding simulated sedimentary geomorphological environment model to obtain an initial environment simulation piece; S3: Upload the environmental simulation refinement data to the controller on the simulation experimental table (1), and the controller drives the electric slide rail (12) to move according to the control signal, and the electric slide rail (12) drives the lifting cylinder (13) to move, and the lifting cylinder (13) drives the control top plate (14) to move, and the bottom shape grinding head (17) on the control top plate (14) moves to the top of the sedimentation simulation box (2), and the lifting cylinder (13) drives the control top plate (14) to move downward, so that the bottom shape grinding head (17) moves to the inside of the sedimentation simulation box (2) and contacts with the simulated lake basin sediment, and the servo motor (23) drives the cam (24) to rotate, and the cam (24) repeatedly pushes the rack one (22), and the rack one (22) drives a number of gears two (29) to rotate, and the gear two (29) drives the corresponding processing rotating tube (16) to rotate back and forth, and the processing rotating tube (16) drives the bottom shape grinding head (17) to rotate back and forth, so that the distribution pattern and morphology of the simulated lake basin sediment fit the actual characteristics of the study area; S4: The cam (24) drives the control rod (27) to rotate, the control rod (27) drives the driving sprocket (26) to rotate, the driving sprocket (26) drives the driven sprocket (28) to rotate through the chain, the driven sprocket (28) drives the pulley (25) to rotate, the pulley (25) drives other pulleys (25) to rotate together through the belt, the pulley (25) controls the corresponding spiral conveying rod (19) to rotate, the spiral conveying rod (19) conveys the sand and mud that has been polished and puts it into the collection box (20), and the environmental details in the plurality of sedimentation simulation boxes (2) are optimized according to the control signal, and the synchronous movement of the plurality of bottom shape polishing heads (17) makes the simulation environment in the plurality of sedimentation simulation boxes (2) the same; S5: After the simulation environment is ready, the observation camera (11) on the detection top plate (10) collects the initial state image of the corresponding deposition simulation box (2), and at the same time, the control top plate (14) drives the bottom grinding head (17) and the processing rotating tube (16) to reset. The sediment mixed water in the environment simulation box (3) is delivered to the delivery control tube (5) by the delivery pump. Due to the delivery pressure, the sediment mixed water squeezes the rotating valve plate (7), and the rotating valve plate (7) opens the delivery hole. The opening degree of each rotating valve plate (7) is different, so the flow rate of the sediment mixed water in each deposition simulation box (2) is different. Multiple groups of experiments under different conditions are carried out for horizontal comparison; The S6 blower (9) delivers air into each air blowing conveying pipe (8). When the air blows into the conveying control pipe (5), the other side of the rotating valve plate (7) acts as a guide plate to guide the air blows, and the air blows together with the sediment mixed water flow into the deposition simulation box (2) to simulate physical deposition. The flow control valve in each air blowing conveying pipe (8) is opened to a different degree, or the flow control valve is adjusted according to experimental requirements; S7: When the environmental simulation box 1 (3) is opened alone, the silt-mixed water inside it flows in a directional manner from a single position, and the formation state of the beach bar can be observed. When the environmental simulation box 1 (3) is opened and the environmental simulation box 2 (4) is opened at the same time, a two-way flow simulation experiment can be carried out, and the formation state of the beach bar can be observed. During the simulation experiment, a plurality of observation cameras (11) are used to shoot and record the images in each deposition simulation box (2), and the shooting interval is 2 minutes. The images shot by each observation camera (11) are taken out for comparison, and the deposition results of the beach bar sand body under the influence of different factors can be obtained.

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