Biological sampling device and method for marine ecological research

Abstract

The invention relates to the technical field of marine ecology research, and discloses a biological sampling device and method for marine ecology research, the biological sampling device comprises an underwater robot, a box body connected to the underwater robot through a lap joint mechanism, and a connecting plate connected to the box body through a rotation adjusting mechanism, the connecting plate is connected with a rotating frame through a lifting mechanism, sediment and sediment at the seabed can be sampled, so that organisms in the sediment and the sediment are sampled, and the sediment and the sediment can be sealed after sampling, so that leakage of the sediment and the sediment after sampling is prevented, and a sampled sample is relatively complete; according to the water sampling device, water samples can be extracted, the water samples can be collected through water pressure, and sampling of multiple positions can be achieved through movement in water; according to the sampling device, samples after sampling can be collected, the samples can be filtered and separated during collection, and different types of samples can be collected separately.

Description

Technical Field

[0001] The present invention belongs to the technical field of marine ecological research, and specifically relates to a biological sampling device and method for marine ecological research. Background Art

[0002] Marine ecology includes the relationships between marine organisms and between marine organisms and their marine environment. The ocean is the cradle of life, which breeds a wide variety of marine organisms and provides a large amount of resources for humans every year.

[0003] When conducting marine ecological research, it is necessary to sample marine organisms. It is relatively convenient to catch some large organisms, but it is inconvenient to sample some relatively tiny organisms, inconvenient to sample organisms in seawater, and relatively difficult to sample organisms in marine sediments, resulting in imperfect research data. Summary of the Invention

[0004] In view of the above situation, in order to overcome the defects of the prior art, the present invention provides a biological sampling device and method for marine ecological research, effectively solving the problems mentioned in the above background art.

[0005] To achieve the above object, the present invention provides the following technical solution: A biological sampling device for marine ecological research, including an underwater robot, a box body connected to the underwater robot through a lapping mechanism, a connecting plate connected to the box body through a rotation adjustment mechanism, a rotating frame connected to the connecting plate through a lifting mechanism, and a sampling mechanism provided on the rotating frame. The sampling mechanism includes a sampling gear cavity provided in the rotating frame, a driving shaft rotatably connected between the end walls of the sampling gear cavity, the driving shaft being power-connected to a sampling motor, a sampling driving gear fixedly installed on the outer surface of the driving shaft, the sampling driving gear meshing with a sampling driven gear, the sampling driven gear fixedly installed on the outer surface of a sampling electric telescopic shaft, a sampling drill bit fixedly connected to the lower end of the sampling electric telescopic shaft, a sampling channel provided on the sampling drill bit, an annular closed groove provided on the end wall of the sampling channel, a cavity provided in the sampling drill bit, a gear shaft rotatably connected between the end walls of the cavity, the gear shaft being power-connected, fixedly installed in the sampling drill bit, a driving gear fixedly installed on the outer surface of the gear shaft, the driving gear meshing with an annular rack, the annular rack rotatably installed in the sampling drill bit, a blocking gear cavity machined in the sampling drill bit, a lead screw rotatably connected between the end walls of the blocking gear cavity, a blocking gear fixedly installed on the outer surface of the lead screw, the blocking gear meshing with the annular rack, a closed sliding groove provided on the end wall of the annular closed groove, a closed lead screw rotatably connected between the end walls of the closed sliding groove, a closed nut block threadedly connected to the outer surface of the closed lead screw, a closing plate fixedly installed on the bottom wall of the closed nut block, a sliding groove provided on the end wall of the annular closed groove, the lead screw extending into the sliding groove, an arc-shaped baffle threadedly connected to the outer surface of the lead screw, a transmission gear cavity provided in the sampling drill bit, the gear shaft extending into the transmission gear cavity, a closed driving bevel gear fixedly connected to the lower end of the gear shaft, the closed driving bevel gear meshing with a closed driven bevel gear, the closed driven bevel gear fixedly installed on the outer surface of a closed gear shaft, the closed gear shaft rotatably installed between the end walls of the transmission gear cavity, a transmission gear fixedly installed on the outer surface of the closed gear shaft, the transmission gear meshing with a closed annular rack, the closed annular rack rotatably installed on the end wall of the annular closed groove, the closed annular rack meshing with a closed gear, the closed gear fixedly installed on the surface of the closed lead screw, an electric push rod fixedly connected to the end wall of the sampling channel, and a push plate fixedly installed on the lower end of the electric push rod.

[0006] Preferably, an extraction mechanism is provided on the rotating frame. The extraction mechanism includes an annular box fixedly connected to the bottom wall of the rotating frame. An extraction box is provided inside the annular box. An extraction pipe is fixedly connected to the end wall of the extraction box. A pressure check valve is fixedly connected inside the extraction pipe. A discharge pump is fixedly connected to the bottom wall of the extraction box. A discharge pipe is fixedly connected to the bottom wall of the annular box. The discharge pipe is communicated with the discharge pump.

[0007] Preferably, the carrying mechanism includes a carrying chute provided on the upper part of the underwater robot. A carrying lead screw is rotatably connected between the end walls of the carrying chute. The carrying lead screw is in power connection with a carrying motor. The carrying motor is fixedly installed inside the underwater robot. The outer surface of the carrying lead screw is symmetrically threadedly connected with carrying nut blocks. An insertion block is fixedly connected to the upper part of the carrying nut block. The insertion block is inserted into an insertion slot. The insertion slot is provided on the lower surface of the box body. A circular groove is machined on the insertion block. An electric telescopic rotating shaft is rotatably connected inside the circular groove. A threaded head is fixedly connected to the end of the electric telescopic rotating shaft. The threaded head is threadedly connected with a threaded hole. The threaded hole is machined on the end wall of the insertion slot.

[0008] Preferably, the rotation adjustment mechanism includes that provided on the box body. A is rotatably connected between the end walls. The is in power connection with. The is fixedly installed inside the box body. is fixedly installed on the outer surface of the. The is meshed with an annular rotating frame. The annular rotating frame is rotatably installed on the box body. A counterweight block is fixedly connected to the annular rotating frame. A connecting plate is fixedly connected to the annular rotating frame. A lifting mechanism is connected to the connecting plate.

[0009] Preferably, the lifting mechanism includes a first lifting frame fixedly connected to the connecting plate. A first lifting chute is provided on the first lifting frame. A first lifting lead screw is rotatably connected between the end walls of the first lifting chute. The outer surface of the first lifting lead screw is threadedly connected with a first nut block. A second lifting frame is fixedly installed on the outer surface of the first nut block. A slide bar is fixedly connected to the end wall of the second lifting frame. The slide bar is slidably connected with the first lifting frame. A lifting chute is provided on the second lifting frame. A second lifting lead screw is rotatably connected to the lifting chute. The second lifting lead screw is threadedly connected with a second nut block. The second nut block is slidably installed between the end walls of the lifting chute. A fixed box is fixedly installed on the outer surface of the second nut block. A stable slider is fixedly installed on the fixed box. The stable slider is slidably installed in a stable chute. The stable chute is provided on the second lifting frame.

[0010] Preferably, a direction adjusting mechanism is provided on the fixed box. The direction adjusting mechanism includes a bevel gear chamber provided in the fixed box. A rotating shaft is rotatably connected to the end wall of the bevel gear chamber. The rotating shaft is in power connection with a direction adjusting motor, which is fixedly installed in the fixed box. A direction adjusting driving bevel gear is fixedly connected to the end of the rotating shaft. The direction adjusting driving bevel gear meshes with a direction adjusting driven bevel gear, which is fixedly installed at the lower end of the driven bevel gear shaft. The driven bevel gear shaft penetrates and is rotatably installed on the upper end wall of the bevel gear chamber. A rotating frame is fixedly installed at the upper end of the driven bevel gear shaft. A circular ring is connected between the rotating frame and the fixed box.

[0011] Preferably, a collection mechanism is provided in the box. The collection mechanism includes a sample collection chamber provided in the box. A sample partition is fixedly connected to the bottom wall of the sample collection chamber. A sample filter plate is fixedly connected between the sample partition and the end wall of the sample collection chamber. A collection hole is penetrated and processed on the upper end wall of the sample collection chamber. A first closing electric screw rod is rotatably connected to the end wall of the sample collection chamber. The first closing electric screw rod is in threaded connection with a first collection closing plate, which is slidably connected to the upper end wall of the sample collection chamber. An annular groove is provided in the box. A water inlet hole is processed on the upper end wall of the annular groove. A [part name] is rotatably connected to the end wall of the annular groove. The [part name] is in threaded connection with [another part name], and the [another part name] is slidably installed on the end wall of the annular groove. A water sample collection chamber is processed in the box. A water sample partition is fixedly connected to the end wall of the water sample collection chamber. A water sample filter plate is fixedly connected between the water sample partition and the end wall of the water sample collection chamber. The annular groove is connected to the water sample collection chamber through a through hole.

[0012] Preferably, a height adjusting mechanism is provided on the underwater robot. The height adjusting mechanism includes a clamping rod fixedly installed on the underwater robot. A clamping plate is fixedly connected to the end of the clamping rod. A water storage tank is clamped between the clamping plates. Fixing plates are symmetrically and fixedly connected to the underwater robot. The input end of the water storage tank is fixedly connected to the output end of [a part]. [A part] is fixedly installed in one of the fixing plates on one side. [A part] is fixedly connected to [another part]. [A part] is rotatably installed in the fixing plate. [A part] is in power connection with [a part]. [A part] is fixedly installed in the fixing plate. The output end of the water storage tank is fixedly connected to the input end of a drainage pump, which is fixedly installed in the other fixing plate on the other side. The drainage pump is fixedly connected to a drainage rotating shaft, which is rotatably installed in the fixing plate. The drainage rotating shaft is in power connection with a drainage motor, which is fixedly installed in the fixing plate.

[0013] Preferably, a motion assembly is provided at the bottom of the underwater robot.

[0014] The present invention provides a biological sampling method for marine ecological research. Based on the above-mentioned biological sampling device for marine ecological research, the steps include: Step 1: Mount the box on the underwater robot through the mounting mechanism and place the underwater robot in the water. Step 2: The height adjustment mechanism moves, causing the underwater robot to descend in the ocean. Step 3: After the underwater robot descends to the seabed position, the movement component moves, driving the underwater robot to move and thus driving the box to move. Step 4: During the movement, the extraction mechanism moves to extract the water sample and thus extract the organisms in the water sample. Step 5: After moving to the corresponding position, the rotation adjustment mechanism moves to rotate and adjust the annular rotating frame. Step 6: The direction adjustment mechanism moves to adjust the direction of the sampling drill bit. Step 7: The lifting mechanism moves to adjust the height of the sampling drill bit. Step 8: After the adjustment is completed, the sampling mechanism moves to sample the sediment on the seabed, thereby realizing the sampling of organisms in the sediment and sediment. Step 9: After the sampling is completed, the collection mechanism moves to collect the sampled samples, etc. Compared with the prior art, the beneficial effects of the present invention are: 1. The present invention provides a biological sampling device for marine ecological research, which can sample the sediment and sediment on the seabed, thereby realizing the sampling of organisms in the sediment and sediment, and can be closed after sampling to prevent leakage of sediment and sediment after sampling, making the sampled samples relatively complete.

[0015] 2. The present invention provides a biological sampling device for marine ecological research, which can extract the water sample, can collect the water sample through water pressure, and can sample multiple positions during the movement in the water.

[0016] 3. The present invention provides a biological sampling device for marine ecological research, which can collect the sampled samples, and can filter and separate the samples during collection, and collect different types of samples separately. Description of the Drawings

[0017] The drawings are used to provide a further understanding of the present invention and constitute a part of the specification. They are used together with the embodiments of the present invention to explain the present invention and do not constitute a limitation to the present invention.

[0018] In the drawings: Figure 1 Schematic diagram of the first direction structure of a biological sampling device for marine ecological research in the present invention; Figure 2 Schematic diagram of the second direction structure of a biological sampling device for marine ecological research in the present invention; Figure 3 Schematic diagram of the third direction structure of a biological sampling device for marine ecological research in the present invention; Figure 4 Schematic diagram of the fourth direction structure of a biological sampling device for marine ecological research in the present invention; Figure 5 Schematic diagram of the fifth direction structure of a biological sampling device for marine ecological research in the present invention; Figure 6 Schematic diagram of the sixth direction structure of a biological sampling device for marine ecological research in the present invention; Figure 7 It is Figure 6 Schematic diagram of the sectional structure at A-A in Figure 8 It is Figure 7 Schematic diagram of the sectional structure at B-B in Figure 9 It is Figure 7 Schematic diagram of the sectional structure at C-C in Figure 10 It is Figure 7 Schematic diagram of the sectional structure at D-D in Figure 11 It is Figure 7 Schematic diagram of the sectional structure at E-E in Figure 12 It is Figure 7 Schematic diagram of the sectional structure at F-F in Figure 13 It is Figure 12 Schematic diagram of the sectional structure at G-G in Figure 14 It is Figure 7 Schematic diagram of the enlarged structure at H in Figure 15 It is Figure 7 Schematic diagram of the enlarged structure at H in

[0019] In the figure: 1 - underwater robot, 2 - box body, 3 - annular rotating frame, 4 - counterweight, 5 - collection hole, 6 - connecting plate, 7 - first lifting frame, 8 - transmission gear cavity, 9 - second lifting frame, 10 - fixed box, 11 - rotating frame, 12 - annular box, 13 - extraction pipe, 14 - discharge pipe, 15 - sampling drill bit, 17 - gear shaft, 18 - annular rack, 19 - lead screw, 21 - fixing plate, 23 - sliding groove, 24 - transmission gear, 25 - second lifting lead screw, 26 - closed driven bevel gear, 27 - sampling channel, 28 - water inlet hole, 29 - second nut block, 30 - water storage tank, 31 - clamping plate, 32 - clamping rod, 35 - water sample collection cavity, 36 - water sample partition plate, 37 - water sample filter plate, 38 - annular groove, 39 - first collection closing plate, 40 - first closing electric lead screw, 41 - first lifting sliding groove, 42 - first nut block, 43 - first lifting lead screw, 44 - direction adjustment motor, 45 - direction adjustment driving bevel gear, 46 - closing driving bevel gear, 47 - direction adjustment driven bevel gear, 48 - driven bevel gear shaft, 49 - bevel gear cavity, 50 - pressure check valve, 51 - sampling motor, 52 - driving shaft, 53 - sampling driving gear, 54 - sampling driven gear, 55 - sampling gear cavity, 56 - sampling electric telescopic shaft, 57 - extraction box, 58 - discharge pump, 59 - electric push rod, 60 - push plate, 61 - annular closing groove, 62 - closing plate, 63 - arc-shaped baffle, 64 - rotating shaft, 65 - sample collection cavity, 66 - sample filter plate, 67 - sample partition plate, 68 - insertion groove, 69 - carrying nut block, 70 - carrying lead screw, 71 - carrying sliding groove, 72 - threaded hole, 73 - insertion block, 74 - threaded head, 75 - electric telescopic rotating shaft, 76 - closing gear shaft, 77 - closing annular rack, 78 - cavity, 79 - driving gear, 80 - blocking gear cavity, 81 - blocking gear, 82 - closing sliding groove, 83 - closing nut block, 84 - closing lead screw, 86 - closing gear, 87 - drainage motor, 88 - drainage rotating shaft, 89 - drainage pump, 90 - water extraction pump, 91 - water extraction rotating shaft, 92 - water extraction motor, 93 - second closing electric lead screw, 94 - second collection closing plate, 95 - rotating motor, 96 - rotating gear cavity, 97 - rotating gear, 98 - rotating gear shaft, 99 - motor. Detailed implementation manners

[0020] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all of the embodiments; based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

[0021] As Figure 1-15As shown in the figure, the present invention provides a biological sampling device for marine ecological research. The component materials in the device are made of pressure-resistant, erosion-resistant, and wear-resistant materials, including an underwater robot 1. A box body 2 is connected to the underwater robot 1 through a lapping mechanism. The carrying mechanism is used to carry the box body 2 on the underwater robot 1. A connecting plate 6 is connected to the box body 2 through a rotation adjustment mechanism. The rotation adjustment mechanism is used to adjust the position of the connecting plate 6. A rotating frame 11 is connected to the connecting plate 6 through a lifting mechanism. The lifting mechanism is used to lift the rotating frame 11. A sampling mechanism is provided on the rotating frame 11. The sampling mechanism is used to sample organisms in the sediment and deposits on the seabed. The sampling mechanism includes a sampling gear cavity 55 provided in the rotating frame 11. A drive shaft 52 is rotatably connected between the end walls of the sampling gear cavity 55. The drive shaft 52 is power-connected to a sampling motor 51. A sampling driving gear 53 is fixedly installed on the outer surface of the drive shaft 52. The sampling driving gear 53 meshes with a sampling driven gear 54. The sampling driven gear 54 is fixedly installed on the outer surface of a sampling electric telescopic shaft 56. A sampling drill bit 15 is fixedly connected to the lower end of the sampling electric telescopic shaft 56. A sampling channel 27 is provided on the sampling drill bit 15. An annular closed groove 61 is provided on the end wall of the sampling channel 27. A cavity 78 is provided in the sampling drill bit 15. A gear shaft 17 is rotatably connected between the end walls of the cavity 78. The gear shaft 17 is power-connected to 99. 99 is fixedly installed in the sampling drill bit 15. A driving gear 79 is fixedly installed on the outer surface of the gear shaft 17. The driving gear 79 meshes with an annular rack 18. The annular rack 18 is rotatably installed in the sampling drill bit 15. A blocking gear cavity 80 is machined in the sampling drill bit 15. A lead screw 19 is rotatably connected between the end walls of the blocking gear cavity 80. A blocking gear 81 is fixedly installed on the outer surface of the lead screw 19. The blocking gear 81 meshes with the annular rack 18. A closed sliding groove 82 is provided on the end wall of the annular closed groove 61. A closed lead screw 84 is rotatably connected between the end walls of the closed sliding groove 82. A closed nut block 83 is threadedly connected to the outer surface of the closed lead screw 84. A closing plate 62 is fixedly installed on the bottom wall of the closed nut block 83. A sliding groove 23 is provided on the end wall of the annular closed groove 61. The lead screw 19 extends into the sliding groove 23. An arc-shaped baffle 63 is threadedly connected to the outer surface of the lead screw 19. A transmission gear cavity 8 is provided in the sampling drill bit 15. The gear shaft 17 extends into the transmission gear cavity 8. A closed driving bevel gear 46 is fixedly connected to the lower end of the gear shaft 17. The closed driving bevel gear 46 meshes with a closed driven bevel gear 26. The closed driven bevel gear 26 is fixedly installed on the outer surface of a closed gear shaft 76. The closed gear shaft 76 is rotatably installed between the end walls of the transmission gear cavity 8. A transmission gear 24 is fixedly installed on the outer surface of the closed gear shaft 76.The transmission gear 24 meshes with the closed annular rack 77. The closed annular rack 77 is rotatably mounted on the end wall of the annular closed groove 61. The closed annular rack 77 meshes with the closed gear 86. The closed gear 86 is fixedly mounted on the surface of the closed lead screw 84. An electric push rod 59 is fixedly connected to the end wall of the sampling channel 27. A push plate 60 is fixedly mounted at the lower end of the electric push rod 59; Thereby starting the rotation of the sampling motor 51, driving the rotation of the drive shaft 52, driving the rotation of the sampling driving gear 53. The sampling driving gear 53 meshes with the sampling driven gear 54, driving the rotation of the sampling electric telescopic shaft 56, driving the rotation of the sampling drill bit 15, causing the sampling electric telescopic shaft 56 to extend, and causing the sampling drill bit 15 to rotate and move downward for sampling, thereby realizing the sampling of sediment or sediment on the seabed, and realizing the sampling of organisms in the sediment or sediment. After sampling, start the 99, driving the rotation of the gear shaft 17, driving the rotation of the driving gear 79. The driving gear 79 meshes with the annular rack 18. The annular rack 18 meshes with the blocking gear 81, driving the rotation of the lead screw 19. The lead screw 19 is threadedly connected to the arc-shaped baffle 63, driving the movement of the arc-shaped baffle 63, and opening the annular closed groove 61. The gear shaft 17 rotates, driving the rotation of the closed driving bevel gear 46. The closed driving bevel gear 46 meshes with the closed driven bevel gear 26, driving the rotation of the closed gear shaft 76, driving the rotation of the transmission gear 24. The transmission gear 24 meshes with the closed annular rack 77. The closed annular rack 77 meshes with the closed gear 86, driving the rotation of the closed lead screw 84, driving the movement of the closed nut block 83, driving the movement of the closing plate 62 to close the inside of the sampling drill bit 15, preventing leakage and loss after sampling. When taking out the sample in the sampling drill bit 15, the electric push rod 59 moves, pushing the push plate 60 to move, and pushing out the sample in the sampling drill bit 15.

[0022] Beneficially, an extraction mechanism is provided on the rotating frame 11. The extraction mechanism is used for extracting seawater, thereby realizing the extraction of organisms in the seawater. The extraction mechanism includes an annular box 12 fixedly connected to the bottom wall of the rotating frame 11. An extraction box 57 is provided inside the annular box 12. An extraction pipe 13 is fixedly connected to the end wall of the extraction box 57. A pressure check valve 50 is fixedly connected inside the extraction pipe 13. A discharge pump 58 is fixedly connected to the bottom wall of the extraction box 57. A discharge pipe 14 is fixedly connected to the bottom wall of the annular box 12. The discharge pipe 14 is communicated with the discharge pump 58; Thus, seawater enters the extraction pipe 13. Due to the water pressure, the pressure check valve 50 is opened, allowing the seawater to enter the extraction tank 57 through the extraction pipe 13. When it is necessary to discharge the seawater in the extraction tank 57, the discharge pump 58 is started, enabling the seawater in the extraction tank 57 to be discharged through the discharge pipe 14.

[0023] Beneficially, the carrying mechanism includes a carrying chute 71 provided on the upper part of the underwater robot 1. A carrying lead screw 70 is rotatably connected between the end walls of the carrying chute 71. The carrying lead screw 70 is power-connected to a carrying motor, and the carrying motor is fixedly installed inside the underwater robot 1. Symmetrically threaded on the outer surface of the carrying lead screw 70 are carrying nut blocks 69. The upper part of the carrying nut block 69 is fixedly connected to an insertion block 73. The insertion block 73 is inserted into an insertion slot 68 provided on the lower surface of the box body 2. A circular groove is machined on the insertion block 73. Rotatably connected inside the circular groove is an electric telescopic rotating shaft 75. The end of the electric telescopic rotating shaft 75 is fixedly connected to a threaded head 74. The threaded head 74 is threadedly connected to a threaded hole 72, and the threaded hole 72 is machined on the end wall of the insertion slot 68. Thus, the box body 2 is carried on the underwater robot 1, causing the insertion block 73 to be inserted into the insertion slot 68. The carrying motor is started, driving the carrying lead screw 70 to rotate, which in turn drives the carrying nut block 69 to move, driving the insertion block 73 to move, thereby clamping the box body 2 by the insertion block 73. The electric telescopic rotating shaft 75 rotates and extends, driving the threaded head 74 to rotate into the threaded hole 72 and be threadedly connected to the threaded hole 72, thus strengthening the connection between the threaded head 74 and the box body 2.

[0024] Beneficially, the rotation adjustment mechanism includes 96 provided on the box body 2. A 98 is rotatably connected between the end walls of the 96. The 98 is power-connected to a 95, and the 95 is fixedly installed inside the box body 2. Fixedly installed on the outer surface of the 98 is a 97. The 97 meshes with an annular rotating frame 3, and the annular rotating frame 3 is rotatably installed on the box body 2. A counterweight 4 is fixedly connected to the annular rotating frame 3. A connecting plate 6 is fixedly connected to the annular rotating frame 3. The lifting mechanism is connected to the connecting plate 6. Thus, the 95 is started, driving the 98 to rotate, which in turn drives the 97 to rotate. The 97 meshes with the annular rotating frame 3, driving the connecting plate 6 to rotate.

[0025] Beneficially, the lifting mechanism includes a first lifting frame 7 fixedly connected to the connecting plate 6. A first lifting chute 41 is provided on the first lifting frame 7. A first lifting screw rod 43 is rotatably connected between the end walls of the first lifting chute 41. A first nut block 42 is threadedly connected to the outer surface of the first lifting screw rod 43. A second lifting frame 9 is fixedly installed on the outer surface of the first nut block 42. A sliding bar is fixedly connected to the end wall of the second lifting frame 9. The sliding bar is slidably connected to the first lifting frame 7. A lifting chute is provided on the second lifting frame 9. A second lifting screw rod 25 is rotatably connected to the lifting chute. The second lifting screw rod 25 is threadedly connected to a second nut block 29. The second nut block 29 is slidably installed between the end walls of the lifting chute. A fixed box 10 is fixedly installed on the outer surface of the second nut block 29. A stable slider is fixedly installed on the fixed box 10. The stable slider is slidably installed in a stable chute. The stable chute is provided on the second lifting frame 9; Thereby, the first lifting screw rod 43 rotates, driving the first nut block 42 to move downward, driving the second lifting frame 9 to move downward, causing the second lifting screw rod 25 to rotate, driving the second nut block 29 to move downward, and driving the fixed box 10 to move downward.

[0026] Beneficially, a direction adjustment mechanism is provided on the fixed box 10. The direction adjustment mechanism is used to drive the rotating frame 11 to rotate. The direction adjustment mechanism includes a bevel gear cavity 49 provided in the fixed box 10. A rotating shaft 64 is rotatably connected to the end wall of the bevel gear cavity 49. The rotating shaft 64 is power-connected to a direction adjustment motor 44. The direction adjustment motor 44 is fixedly installed in the fixed box 10. A direction adjustment driving bevel gear 45 is fixedly connected to the end of the rotating shaft 64. The direction adjustment driving bevel gear 45 meshes with a direction adjustment driven bevel gear 47. The direction adjustment driven bevel gear 47 is fixedly installed at the lower end of a driven bevel gear shaft 48. The driven bevel gear shaft 48 is rotatably installed through the upper end wall of the bevel gear cavity 49. A rotating frame 11 is fixedly installed at the upper end of the driven bevel gear shaft 48. A circular ring is connected between the rotating frame 11 and the fixed box 10; Thereby, the direction adjustment motor 44 is started, driving the rotating shaft 64 to rotate, driving the direction adjustment driving bevel gear 45 to rotate. The direction adjustment driving bevel gear 45 meshes with the direction adjustment driven bevel gear 47, driving the driven bevel gear shaft 48 to rotate, driving the rotating frame 11 to rotate, and realizing the direction adjustment of the rotating frame 11.

[0027] Beneficially, a collection mechanism is provided inside the box body 2. The collection mechanism is used to collect the samples after sampling. The collection mechanism includes a sample collection chamber 65 provided inside the box body 2. A sample partition 67 is fixedly connected to the bottom wall of the sample collection chamber 65. A sample filter plate 66 is fixedly connected between the sample partition 67 and the end wall of the sample collection chamber 65. A collection hole 5 is drilled through the upper end wall of the sample collection chamber 65. A first closing electric screw rod 40 is rotatably connected to the end wall of the sample collection chamber 65. The first closing electric screw rod 40 is threadedly connected to a first collection closing plate 39. The first collection closing plate 39 is slidably connected to the upper end wall of the sample collection chamber 65. An annular groove 38 is provided inside the box body 2. A water inlet hole 28 is drilled in the upper end wall of the annular groove 38. A 93 is rotatably connected to the end wall of the annular groove 38. The 93 is threadedly connected to a 94. The 94 is slidably mounted on the end wall of the annular groove 38. A water sample collection chamber 35 is machined inside the box body 2. A water sample partition 36 is fixedly connected to the end wall of the water sample collection chamber 35. A water sample filter plate 37 is fixedly connected between the water sample partition 36 and the end wall of the water sample collection chamber 35. The annular groove 38 is connected to the water sample collection chamber 35 through a through hole; Thereby, the sampling drill bit 15 is butted against the collection hole 5, causing the first closing electric screw rod 40 to rotate, thereby driving the movement of the first collection closing plate 39, so that the collection hole 5 is opened, enabling the sample in the sampling drill bit 15 to enter the sample collection chamber 65. Sandy samples pass through the sample filter plate 66 and enter the lower side of the sample filter plate 66. Columnar samples pass through the sample filter plate 66 and enter the sample collection chamber 65 on the other side of the sample partition 67. The discharge pipe 14 is butted against the water inlet hole 28, causing the 93 to rotate, thereby driving the movement of the 94, so that the water inlet hole 28 is opened, enabling the water sample to enter the water inlet hole 28 through the discharge pipe 14, enter the annular groove 38, and enter the water sample collection chamber 35 through the through hole. The water sample is filtered by the water sample filter plate 37, and the water sample enters the water sample collection chamber 35 below the water sample filter plate 37. The filtered substances enter the water sample collection chamber 35 on the other side of the water sample partition 36.

[0028] Advantageously, a height adjustment mechanism is provided on the underwater robot 1. The height adjustment mechanism is used to adjust the height of the underwater robot 1 in water. The height adjustment mechanism includes a clamping rod 32 fixedly installed on the underwater robot 1. The end of the clamping rod 32 is fixedly connected to a clamping plate 31. A water storage tank 30 is clamped between the clamping plates 31. Fixing plates 21 are symmetrically and fixedly connected to the underwater robot 1. The input end of the water storage tank 30 is fixedly connected to the output end of 90. 90 is fixedly installed in one of the fixing plates 21. 90 is fixedly connected to 91. 91 is rotatably installed in the fixing plate 21. 91 is power-connected to 92. 92 is fixedly installed in the fixing plate 21. The output end of the water storage tank 30 is fixedly connected to the input end of a drainage pump 89. The drainage pump 89 is fixedly installed in the other fixing plate 21. The drainage pump 89 is fixedly connected to a drainage rotating shaft 88. The drainage rotating shaft 88 is rotatably installed in the fixing plate 21. The drainage rotating shaft 88 is power-connected to a drainage motor 87. The drainage motor 87 is fixedly installed in the fixing plate 21; Thereby starting 92, thereby driving 91 to rotate, thereby driving 90 to move, thereby enabling water to enter the water storage tank 30 through 90, thereby increasing the overall weight, thereby causing the underwater robot 1 to descend in water. When floating, start the drainage motor 87, thereby driving the drainage rotating shaft 88 to rotate, thereby driving the drainage pump 89 to move, thereby enabling the water in the water storage tank 30 to be discharged through the drainage pump 89, thereby reducing the overall weight, thereby causing the underwater robot 1 to float.

[0029] Advantageously, a motion assembly is provided at the bottom of the underwater robot 1. The motion assembly adopts an existing crawler-type motion assembly. The motion assembly drives the underwater robot 1 to move on the seabed or in water.

[0030] The present invention provides a biological sampling method for marine ecological research. Based on the above-mentioned biological sampling device for marine ecological research, the steps include: Step 1: Mount the box body 2 on the underwater robot 1 through a mounting mechanism, and place the underwater robot 1 into water; Step 2: The height adjustment mechanism moves, thereby causing the underwater robot 1 to descend in the ocean; Step 3: After the underwater robot 1 descends to the seabed position, the motion assembly moves, thereby driving the underwater robot 1 to move, thereby driving the box body 2 to move; Step 4: During the movement process, the extraction mechanism moves, thereby extracting water samples and thereby extracting organisms in the water samples; Step Five: After moving to the corresponding position, rotate the adjustment mechanism to rotate and adjust the annular rotating frame 3; Step Six: Move the direction adjustment mechanism to adjust the direction of the sampling drill bit 15; Step Seven: Move the lifting mechanism to adjust the height of the sampling drill bit 15; Step Eight: After the adjustment is completed, the sampling mechanism moves to sample the sediment on the seabed, so as to sample the organisms in the sediment and sediment; Step Nine: After the sampling is completed, the collection mechanism moves to collect the sampled samples, etc.

[0031] During the working process of the present invention, the box body 2 is carried on the underwater robot 1, so that the insertion block 73 is inserted into the insertion slot 68. The carrying motor is started, which drives the carrying lead screw 70 to rotate, drives the carrying nut block 69 to move, drives the insertion block 73 to move, and makes the insertion block 73 clamp the box body 2. The electric telescopic rotating shaft 75 rotates and extends, driving the threaded head 74 to rotate into the threaded hole 72 and be threadedly connected with the threaded hole 72, thereby strengthening the connection between the threaded head 74 and the box body 2. The motion assembly moves, driving the underwater robot 1 to move on the seabed or in water. The 92 is started, driving the 91 to rotate, driving the 90 to move, and enabling water to enter the water storage tank 30 through the 90, increasing the overall weight and causing the underwater robot 1 to descend in water. When surfacing, the drainage motor 87 is started, driving the drainage rotating shaft 88 to rotate, driving the drainage pump 89 to move, and enabling the water in the water storage tank 30 to be discharged through the drainage pump 89, reducing the overall weight and causing the underwater robot 1 to surface. The 95 is started, driving the 98 to rotate, driving the 97 to rotate. The 97 meshes with the annular rotating frame 3, driving the connecting plate 6 to rotate, making the first lifting lead screw 43 rotate, driving the first nut block 42 to move downward, driving the second lifting frame 9 to move downward, making the second lifting lead screw 25 rotate, driving the second nut block 29 to move downward, and driving the fixed box 10 to move downward. The direction adjustment motor 44 is started, driving the rotating shaft 64 to rotate, driving the direction adjustment driving bevel gear 45 to rotate. The direction adjustment driving bevel gear 45 meshes with the direction adjustment driven bevel gear 47, driving the driven bevel gear shaft 48 to rotate, driving the rotating frame 11 to rotate, and realizing the direction adjustment of the rotating frame 11. The sampling motor 51 is started to rotate, driving the driving shaft 52 to rotate, driving the sampling driving gear 53 to rotate. The sampling driving gear 53 meshes with the sampling driven gear 54, driving the sampling electric telescopic shaft 56 to rotate, driving the sampling drill bit 15 to rotate, and making the sampling electric telescopic shaft 56 extend, so that the sampling drill bit 15 rotates and moves downward for sampling, realizing the sampling of sediment or deposits on the seabed and the sampling of organisms in the sediment or deposits. After sampling, the 99 is started, driving the gear shaft 17 to rotate, driving the driving gear 79 to rotate. The driving gear 79 meshes with the annular rack 18, and the annular rack 18 meshes with the blocking gear 81, driving the lead screw 19 to rotate. The lead screw 19 is threadedly connected with the arc-shaped baffle 63,Thereby driving the movement of the arc-shaped baffle 63, thereby opening the annular closed groove 61, the gear shaft 17 rotates, thereby driving the rotation of the closed driving bevel gear 46, the closed driving bevel gear 46 meshes with the closed driven bevel gear 26, thereby driving the rotation of the closed gear shaft 76, thereby driving the rotation of the transmission gear 24, the transmission gear 24 meshes with the closed annular rack 77, the closed annular rack 77 meshes with the closed gear 86, thereby driving the rotation of the closed lead screw 84, thereby driving the movement of the closed nut block 83, thereby driving the movement of the closed plate 62 to seal the inside of the sampling bit 15, preventing leakage and loss after sampling. When taking out the sample inside the sampling bit 15, the electric push rod 59 moves, thereby pushing the push plate 60 to move, thereby pushing out the sample inside the sampling bit 15. Seawater enters the extraction pipe 13, and due to the water pressure, the pressure check valve 50 opens, so that seawater enters the extraction tank 57 through the extraction pipe 13. When it is necessary to discharge the seawater in the extraction tank 57, the discharge pump 58 is started, so that the seawater in the extraction tank 57 is discharged through the discharge pipe 14. The sampling bit 15 is docked on the collection hole 5, so that the first closed electric lead screw 40 rotates, thereby driving the movement of the first collection closed plate 39, thereby opening the collection hole 5, so that the sample in the sampling bit 15 enters the sample collection chamber 65. Sandy samples enter the lower side of the sample filter plate 66 through the sample filter plate 66, and columnar samples enter the sample collection chamber 65 on the other side of the sample partition 67 through the sample filter plate 66. The discharge pipe 14 is docked in the water inlet hole 28, so that 93 rotates, thereby driving the movement of 94, thereby opening the water inlet hole 28, so that the water sample enters the water inlet hole 28 through the discharge pipe 14, enters the annular groove 38, and enters the water sample collection chamber 35 through the through hole. The water sample is filtered by the water sample filter plate 37, and the water sample enters the water sample collection chamber 35 below the water sample filter plate 37. The filtered substances enter the water sample collection chamber 35 on the other side of the water sample partition 36.,

[0032] It should be noted that in this article, relational terms such as first and second are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or order between these entities or operations. Moreover, the term "comprising", "including" or any other variant thereof is intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements not only includes those elements, but also includes other elements not expressly listed, or also includes elements inherent to such process, method, article or device.,

[0033] Although embodiments of the present invention have been shown and described, those of ordinary skill in the art will appreciate that various changes, modifications, substitutions, and variations can be made to these embodiments without departing from the principles and spirit of the present invention. The scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A biological sampling device for marine ecological research, characterized in that: Including an underwater robot (1), a box body (2) connected to the underwater robot (1) through a lapping mechanism, a connecting plate (6) connected to the box body (2) through a rotation adjustment mechanism, a rotating frame (11) connected to the connecting plate (6) through a lifting mechanism, and a sampling mechanism provided on the rotating frame (11). The sampling mechanism includes a sampling gear cavity (55) provided in the rotating frame (11), a driving shaft (52) rotatably connected between the end walls of the sampling gear cavity (55), the driving shaft (52) being power-connected to a sampling motor (51), a sampling driving gear (53) fixedly installed on the outer surface of the driving shaft (52), the sampling driving gear (53) meshing with a sampling driven gear (54), the sampling driven gear (54) fixedly installed on the outer surface of a sampling electric telescopic shaft (56), a sampling drill bit (15) fixedly connected to the lower end of the sampling electric telescopic shaft (56), a sampling channel (27) provided on the sampling drill bit (15), an annular closed groove (61) provided on the end wall of the sampling channel (27), a cavity (78) provided in the sampling drill bit (15), a gear shaft (17) rotatably connected between the end walls of the cavity (78), the gear shaft (17) being power-connected to (99), (99) being fixedly installed in the sampling drill bit (15), a driving gear (79) fixedly installed on the outer surface of the gear shaft (17), the driving gear (79) meshing with an annular rack (18), the annular rack (18) being rotatably installed in the sampling drill bit (15), a blocking gear cavity (80) machined in the sampling drill bit (15), a lead screw (19) rotatably connected between the end walls of the blocking gear cavity (80), a blocking gear (81) fixedly installed on the outer surface of the lead screw (19), the blocking gear (81) meshing with the annular rack (18), a closed sliding groove (82) provided on the end wall of the annular closed groove (61), a closed lead screw (84) rotatably connected between the end walls of the closed sliding groove (82), a closed nut block (83) threadedly connected to the outer surface of the closed lead screw (84), a closing plate (62) fixedly installed on the bottom wall of the closed nut block (83), a sliding groove (23) provided on the end wall of the annular closed groove (61), the lead screw (19) extending into the sliding groove (23), an arc-shaped baffle (63) threadedly connected to the outer surface of the lead screw (19), a transmission gear cavity (8) provided in the sampling drill bit (15), the gear shaft (17) extending into the transmission gear cavity (8), a closing driving bevel gear (46) fixedly connected to the lower end of the gear shaft (17), the closing driving bevel gear (46) meshing with a closing driven bevel gear (26), the closing driven bevel gear (26) fixedly installed on the outer surface of a closing gear shaft (76), the closing gear shaft (76) being rotatably installed between the end walls of the transmission gear cavity (8), and a transmission gear (24) fixedly installed on the outer surface of the closing gear shaft (76).The transmission gear (24) meshes with the closed annular rack (77), the closed annular rack (77) is rotatably installed on the end wall of the annular closed groove (61), the closed annular rack (77) meshes with the closed gear (86), the closed gear (86) is fixedly installed on the surface of the closed lead screw (84), an electric push rod (59) is fixedly connected to the end wall of the sampling channel (27), and a push plate (60) is fixedly installed at the lower end of the electric push rod (59).

2. The biological sampling device for marine ecological research according to claim 1, characterized in that: The rotating frame (11) is provided with a drawing mechanism. The drawing mechanism includes an annular box (12) fixedly connected to the bottom wall of the rotating frame (11). An extraction box (57) is arranged in the annular box (12). An extraction pipe (13) is fixedly connected to the end wall of the extraction box (57). A pressure check valve (50) is fixedly connected in the extraction pipe (13). A discharge pump (58) is fixedly connected to the bottom wall of the extraction box (57). A discharge pipe (14) is fixedly connected to the bottom wall of the annular box (12). The discharge pipe (14) is communicated with the discharge pump (58).

3. The biological sampling device for marine ecological research according to claim 1, wherein: The carrying mechanism includes a carrying chute (71) provided on the upper part of the underwater robot (1). A carrying lead screw (70) is rotatably connected between the end walls of the carrying chute (71). The carrying lead screw (70) is power-connected to a carrying motor. The carrying motor is fixedly installed in the underwater robot (1). The outer surface of the carrying lead screw (70) is symmetrically thread-connected with carrying nut blocks (69). An insertion block (73) is fixedly connected to the upper part of the carrying nut block (69). The insertion block (73) is inserted into an insertion slot (68). The insertion slot (68) is provided on the lower surface of the box body (2). A circular groove is machined on the insertion block (73). An electric telescopic rotating shaft (75) is rotatably connected in the circular groove. A threaded head (74) is fixedly connected to the end of the electric telescopic rotating shaft (75). The threaded head (74) is thread-connected with a threaded hole (72). The threaded hole (72) is machined on the end wall of the insertion slot (68).

4. The biological sampling device for marine ecological research according to claim 3, characterized in that: The rotation adjustment mechanism includes (96) provided on the box body (2). A (98) is rotatably connected between the end walls of the (96). The (98) is power-connected to a (95). The (95) is fixedly installed in the box body (2). A (97) is fixedly installed on the outer surface of the (98). The (97) meshes with an annular rotating frame (3). The annular rotating frame (3) is rotatably installed on the box body (2). A counterweight block (4) is fixedly connected to the annular rotating frame (3). A connecting plate (6) is fixedly connected to the annular rotating frame (3). A lifting mechanism is connected to the connecting plate (6).

5. The biological sampling device for marine ecological research according to claim 4, characterized in that: The lifting mechanism includes a first lifting frame (7) fixedly connected to the connecting plate (6). A first lifting chute (41) is provided on the first lifting frame (7). A first lifting screw rod (43) is rotatably connected between the end walls of the first lifting chute (41). A first nut block (42) is threadedly connected to the outer surface of the first lifting screw rod (43). A second lifting frame (9) is fixedly installed on the outer surface of the first nut block (42). A slide bar is fixedly connected to the end wall of the second lifting frame (9). The slide bar is slidably connected to the first lifting frame (7). A lifting chute is provided on the second lifting frame (9). A second lifting screw rod (25) is rotatably connected to the lifting chute. The second lifting screw rod (25) is threadedly connected to a second nut block (29). The second nut block (29) is slidably installed between the end walls of the lifting chute. A fixed box (10) is fixedly installed on the outer surface of the second nut block (29). A stable slider is fixedly installed on the fixed box (10). The stable slider is slidably installed in a stable chute. The stable chute is provided on the second lifting frame (9).

6. The biological sampling device for marine ecological research according to claim 5, wherein: A direction adjustment mechanism is provided on the fixed box (10). The direction adjustment mechanism includes a bevel gear cavity (49) provided in the fixed box (10). A rotating shaft (64) is rotatably connected to the end wall of the bevel gear cavity (49). The rotating shaft (64) is power-connected to a direction adjustment motor (44). The direction adjustment motor (44) is fixedly installed in the fixed box (10). A direction adjustment driving bevel gear (45) is fixedly connected to the end of the rotating shaft (64). The direction adjustment driving bevel gear (45) meshes with a direction adjustment driven bevel gear (47). The direction adjustment driven bevel gear (47) is fixedly installed at the lower end of a driven bevel gear shaft (48). The driven bevel gear shaft (48) is rotatably installed through the upper end wall of the bevel gear cavity (49). A rotating frame (11) is fixedly installed at the upper end of the driven bevel gear shaft (48). A circular ring is connected between the rotating frame (11) and the fixed box (10).

7. A biological sampling device for marine ecological research according to claim 4, characterized in that: A collection mechanism is provided inside the box body (2). The collection mechanism includes a sample collection cavity (65) provided inside the box body (2). A sample partition plate (67) is fixedly connected to the bottom wall of the sample collection cavity (65). A sample filter plate (66) is fixedly connected between the sample partition plate (67) and the end wall of the sample collection cavity (65). A collection hole (5) is processed through the upper end wall of the sample collection cavity (65). A first closed electric screw rod (40) is rotatably connected to the end wall of the sample collection cavity (65). The first closed electric screw rod (40) is threadedly connected to a first collection closing plate (39). The first collection closing plate (39) is slidably connected to the upper end wall of the sample collection cavity (65). An annular groove (38) is provided inside the box body (2). A water inlet hole (28) is processed on the upper end wall of the annular groove (38). A (93) is rotatably connected to the end wall of the annular groove (38). The (93) is threadedly connected to the (94). The (94) is slidably installed on the end wall of the annular groove (38). A water sample collection cavity (35) is processed inside the box body (2). A water sample partition plate (36) is fixedly connected to the end wall of the water sample collection cavity (35). A water sample filter plate (37) is fixedly connected between the water sample partition plate (36) and the end wall of the water sample collection cavity (35). The annular groove (38) is connected to the water sample collection cavity (35) through a through hole.

8. The biological sampling device for marine ecological research according to claim 3, characterized in that: A height adjustment mechanism is provided on the underwater robot (1). The height adjustment mechanism includes a clamping rod (32) fixedly installed on the underwater robot (1). A clamping plate (31) is fixedly connected to the end of the clamping rod (32). A water storage tank (30) is clamped between the clamping plates (31). Fixing plates (21) are symmetrically and fixedly connected to the underwater robot (1). The input end of the water storage tank (30) is fixedly connected to the output end of the (90). The (90) is fixedly installed inside one of the fixing plates (21). The (90) is fixedly connected to the (91). The (91) is rotatably installed inside the fixing plate (21). The (91) is power-connected to the (92). The (92) is fixedly installed inside the fixing plate (21). The output end of the water storage tank (30) is fixedly connected to the input end of a drainage pump (89). The drainage pump (89) is fixedly installed inside the other fixing plate (21). The drainage pump (89) is fixedly connected to a drainage rotating shaft (88). The drainage rotating shaft (88) is rotatably installed inside the fixing plate (21). The drainage rotating shaft (88) is power-connected to a drainage motor (87). The drainage motor (87) is fixedly installed inside the fixing plate (21).

9. The biological sampling device for marine ecological research according to claim 8, characterized in that: A motion component is provided at the bottom of the underwater robot (1).

10. A biological sampling method for marine ecological research, based on the biological sampling device for marine ecological research according to any one of the above claims 1-9, characterized in that: steps Including: Step 1: The box body (2) is carried on the underwater robot (1) through a carrying mechanism, and the underwater robot (1) is placed into the water. Step 2: The height adjustment mechanism moves, so that the underwater robot (1) descends in the ocean. Step 3: After the underwater robot (1) descends to the seabed position, the motion component moves, thereby driving the underwater robot (1) to move, and thus driving the box body (2) to move; Step 4: During the movement process, the extraction mechanism moves, thereby extracting the water sample and thus extracting the organisms in the water sample; Step 5: After moving to the corresponding position, the rotation adjustment mechanism moves, thereby rotating and adjusting the annular rotating frame (3); Step 6: The direction adjustment mechanism moves, thereby adjusting the direction of the sampling drill bit (15); Step 7: The lifting mechanism moves, thereby adjusting the height of the sampling drill bit (15); Step 8: After the adjustment is completed, the sampling mechanism moves, thereby sampling the sediment on the seabed, so as to sample the organisms in the sediment and deposits; Step 9: After the sampling is completed, the collection mechanism moves, thereby collecting the sampled samples, etc.

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