An underwater sampling device for marine research

Abstract

The present invention belongs to the technical field of ocean research sampling, and specifically discloses an underwater sampling device for ocean research, including a mounting plate, a center hole is provided in the center of the mounting plate, a main support frame is symmetrically provided on the upper wall of the mounting plate, a main shaft is penetrated through the main support frame, a winch is provided on the main shaft, a main rope is wound on the winch, a line-releasing transmission assembly is provided on the main support frame, a line-releasing control assembly is symmetrically provided on the upper wall of the mounting plate, the line-releasing control assembly is symmetrically arranged on both sides of the main support frame, automatic sampling mechanisms are installed at equal intervals on the main rope, and a temperature-controlled automatic winding assembly is provided at the end of the main rope. Each sampling mechanism in the present invention is a separate individual, and the interval of the sampling mechanism on the main rope can be arbitrarily changed according to the distance between adjacent sampling points, and the seawater sampling at different depths in the same vertical direction can be automatically completed by temperature control.

Description

Technical Field

[0001] The invention belongs to the technical field of ocean research sampling, and specifically refers to an underwater sampling device used for ocean research. Background Art

[0002] The ocean is rich in natural resources. The composition of various substances in seawater is an important indicator in the field of marine research. The best way to understand its composition is to collect seawater samples from the ocean and conduct detailed component analysis in the laboratory. Only by obtaining real and non-destructive seawater samples can we accurately understand the ecological and chemical environment characteristics of the ocean through analysis and monitoring of the samples.

[0003] When sampling underwater, existing sampling equipment generally uses electrical control to open the sampling port. However, electrical control is relatively unsafe underwater. When sampling seawater at different depths, multiple operations are required. The sampling operation is relatively complicated. It is not possible to sample seawater at different depths in the same vertical direction at one time, and the distance between two adjacent sampling points cannot be arbitrarily adjusted as needed.

[0004] Therefore, an underwater sampling device for marine research is needed to solve the above problems. Summary of the invention

[0005] In view of the above situation, in order to overcome the defects of the prior art, the present invention provides an underwater sampling device for marine research, each sampling mechanism is a separate individual, and the spacing of the sampling mechanisms on the main rope can be arbitrarily changed according to the distance between adjacent sampling points, and temperature control is used to automatically complete the sampling of seawater at different depths in the same vertical direction.

[0006] The technical solution adopted by the present invention is as follows: The present invention proposes an underwater sampling device for marine research, comprising a mounting plate, a center hole is provided in the center of the mounting plate, a main support frame is symmetrically provided on the upper wall of the mounting plate, a main shaft is passed through the main support frame, a winch is provided on the main shaft, a main rope is wound on the winch, a pay-off transmission assembly is provided on the main support frame, a pay-off control assembly is symmetrically provided on the upper wall of the mounting plate, the pay-off control assembly is symmetrically arranged on both sides of the main support frame, automatic sampling mechanisms are installed at equal intervals on the main rope, and a temperature-controlled automatic winding assembly is provided at the end of the main rope;

[0007] The automatic sampling mechanism comprises a sampling docking component, a control and clamping component and an automatic opening component. The sampling docking component is arranged on the main rope, the control and clamping component is symmetrically arranged on the sampling docking component, and the automatic opening component is arranged on the sampling docking component.

[0008] Furthermore, the pay-off transmission assembly includes a main motor, a transmission shaft, a driven gear and a driving gear, the transmission shaft is arranged on one of the main support frames, the driving gear is arranged on the transmission shaft, the main motor is arranged on the outer wall of the main support frame, the main motor is connected to the transmission shaft, the driven gear is arranged on the main shaft, and the driving gear is meshed with the driven gear.

[0009] Furthermore, the line-releasing control assembly includes a secondary support frame, a clutch, a rope reel, a secondary shaft, a rope, a bracket one, a guide pulley one, a bracket two and a guide pulley two, the secondary support frame is arranged on the upper wall of the mounting plate, the secondary support frame is arranged on the outer side of the main support frame, the clutch is arranged on the outer side wall of the main support frame, the secondary shaft is arranged between the secondary support frame and the main support frame, the secondary shaft is connected to the main shaft through the clutch, the rope reel is arranged on the secondary shaft, the bracket one is arranged on the outer side wall of the main support frame, the guide pulley one is arranged on the bracket one, the bracket two is arranged on the inner side wall of the main support frame, the guide pulley two is arranged on the bracket two, the rope is wound around the rope reel, the rope passes around the guide pulley one and the guide pulley two, the rope passes through the side wall of the main support frame, and the rope passes through the center hole.

[0010] Furthermore, the temperature-controlled automatic winding assembly includes a counterweight ball, a winding shaft, a rotating sleeve, a spring fixing plate, a memory alloy spring, a rotating plate and a winding roller, the counterweight ball being arranged at one end of the main rope, the counterweight ball being a hollow ball, the winding shaft penetrating the outer wall of the counterweight ball along the diameter direction of the counterweight ball, the winding roller being symmetrically arranged at both ends of the winding shaft, the end of the suspension rope being arranged on the winding roller, the rotating sleeve being arranged on the winding shaft, the rotating plate being symmetrically arranged on the outer wall of the rotating sleeve, the spring fixing plate being symmetrically arranged on the inner wall of the counterweight ball with the center of the counterweight ball as the center, one end of the memory alloy spring being arranged on the spring fixing plate, and the other end of the memory alloy spring being arranged on the outer end of the rotating plate.

[0011] Further, the sampling docking assembly includes a sampling cavity, a limiting rod, a docking body, a fixed platform 1, a fixed platform 2, a connecting telescopic rod, a threaded sleeve and a transmission screw. The sampling cavities are arranged in pairs, and the sampling cavity is a semicircular cavity structure. A fixed platform 2 is symmetrically provided at an edge of one side of the sampling cavity. The two ends of the connecting telescopic rod are respectively provided on two opposite fixed platforms 2. A fixed platform 1 is provided at the middle edge of the sampling cavity. The end of the transmission screw is rotatably provided on the fixed platform 1. The two ends of the threaded sleeve are provided with threads. The two ends of the threaded sleeve are respectively provided on the two transmission screws through threads. The limiting rod is symmetrically provided on the outer side wall of the semicircular diameter of the sampling cavity. The docking body is provided at the outer end of the limiting rod, and the outer side wall of the docking body is a concave arc surface.

[0012] Furthermore, the automatic opening component includes a rotating body, a swing rod, a swing telescopic rod, a transmission rod and a blocking piece, the upper and lower ends of the transmission rod are provided with limit grooves, the transmission rod is slidably arranged on the side wall of the docking body, the limit groove of the transmission rod is clamped on the limit rod, a rotating groove is provided at the center of the sampling cavity, the upper and lower ends of the rotating groove are arc-shaped, the rotating body is rotatably arranged in the rotating groove, one end of the swing rod is arranged on the rotating body, the blocking piece is arranged in an arc shape, the inner wall of the blocking piece is arranged at the end of the swing rod, the blocking piece slides on the inner wall of the sampling cavity, a sampling port is provided in the middle of the arc-shaped outer wall of the sampling cavity, one end of the swing telescopic rod is arranged on the rotating body, the other end of the swing telescopic rod is arranged on the transmission rod, the swing telescopic rod and the swing rod are on a straight line where the diameter of the rotating body is located.

[0013] Furthermore, the control clamping assembly includes a lower fixed plate, a clamping screw, a clamping plate and a pushing spring, the lower fixed plate is symmetrically arranged on the side wall of the transmission rod, the clamping screw is threaded through the lower fixed plate, both ends of the clamping plate are sleeved on the clamping screw, the pushing spring is sleeved on the clamping screw, and the pushing spring is arranged between the lower fixed plate and the clamping plate.

[0014] Furthermore, the swing telescopic rod includes a movable rod, a compression spring and a fixed sleeve. The movable rod is slidably arranged in the fixed sleeve, the compression spring is arranged in the fixed sleeve, the compression spring is arranged between the movable rod and the inner end surface of the fixed sleeve, the end of the movable rod is fixedly connected to the rotating body, and the end of the fixed sleeve is hinged to the transmission rod.

[0015] Furthermore, ventilation holes are symmetrically provided inside the main rope along the axis, and a connector is provided at the end of the main rope located on the winch. The connector is connected to one of the ventilation holes, and the other ventilation hole is connected to the outside.

[0016] Furthermore, when the automatic sampling mechanism is installed on the main rope and the suspension rope, the threaded sleeve is rotated, and the transmission screw enters into the threaded sleeve. The transmission screw drives the fixed platform and the sampling chamber to move toward each other, and the sampling chamber drives the limit rod and the docking body to move toward each other. The main rope is located between the two docking bodies, and the two docking bodies clamp the main rope and fix it. The suspension rope is placed under the clamping plate, and the clamping screw is tightened, and the clamping plate clamps and fixes the suspension rope.

[0017] The beneficial effects achieved by the present invention using the above structure are as follows:

[0018] 1. Place the main rope between the docking bodies, rotate the threaded sleeve, and the transmission screw enters the threaded sleeve. The transmission screw drives the two fixed platforms and the two sampling chambers to move toward each other. The two sampling chambers drive the two limit rods to move toward each other. The two limit rods drive the two docking bodies to move toward each other. The docking bodies clamp the main rope, thereby fixing the automatic sampling mechanism on the main rope at any interval.

[0019] 2. Place the lifting rope on the lower side of the clamping plate, and then tighten the clamping screw. The clamping screw presses down the clamping plate, and the clamping plate presses the lifting rope against the side wall of the transmission rod, so that the lifting and lowering of the transmission rod can be controlled by the lifting and lowering of the lifting rope. The transmission rod drives the fixed sleeve to rotate, and the fixed sleeve drives the movable rod, the rotating body and the swing rod to rotate. The swing rod drives the plugging piece to rotate. When the plugging piece rotates clockwise, the plugging piece and the sampling port are staggered, and the seawater enters the sampling cavity. When the plugging piece rotates counterclockwise, the plugging piece is aligned with the sampling port, so that the seawater is stored in the sampling cavity;

[0020] 3. For the lifting and lowering control of the transmission rod driven by the suspension rope, when hot air is introduced into the hair dryer connecting head, the hot air enters one of the vents, and then enters the counterweight ball through the vent, and the gas in the counterweight ball is discharged from another vent, the temperature in the counterweight ball rises, and the memory alloy spring stretches due to the heat, thereby pushing the rotating plate to rotate, the rotating plate drives the rotating sleeve and the winding shaft to rotate, the winding shaft drives the winding roller to rotate, the winding roller winds up the suspension rope, and pulls the transmission rod downward, and uses the hair dryer to introduce cold air into the connecting head, and the cold air enters the counterweight ball along one of the vents, the temperature in the counterweight ball drops, and the memory alloy spring contracts when it is cold, thereby driving the rotating plate to rotate, and the rope reel is used to wind up the suspension rope, thereby pulling the transmission rod upward. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 This is a schematic diagram of the overall structure of an underwater sampling device for marine research proposed by the present invention;

[0022] Figure 2 It is a structural schematic diagram of a wire-releasing transmission component and a wire-releasing control component;

[0023] Figure 3 It is a schematic diagram of the front internal three-dimensional structure of the automatic sampling mechanism;

[0024] Figure 4 It is a schematic diagram of the rear internal three-dimensional structure of the automatic sampling mechanism;

[0025] Figure 5 for Figure 3 The main view;

[0026] Figure 6 for Figure 3 A top view of

[0027] Figure 7 It is a schematic diagram of the internal structure of the temperature-controlled automatic winding component;

[0028] Figure 8 for Figure 7 Schematic diagram of the middle AA section;

[0029] Fig. 9 for Figure 3 Enlarged view of part B;

[0030] Fig.10 It is a schematic diagram of the internal structure of the swing telescopic rod.

[0031] Among them, 1. mounting plate, 2. center hole, 3. main support frame, 4. main shaft, 5. winch, 6. main rope, 7. pay-off transmission assembly, 8. pay-off control assembly, 9. automatic sampling mechanism, 10. temperature-controlled automatic winding assembly, 11. sampling docking assembly, 12. control clamping assembly, 13. automatic opening assembly, 14. main motor, 15. transmission shaft, 16. driven gear, 17. driving gear, 18. auxiliary support frame, 19. clutch, 20. rope reel, 21. auxiliary shaft, 22. lifting rope, 23. bracket 1, 24. guide pulley 1, 25. bracket 2, 26. guide pulley 2, 27. counterweight ball, 28. winding shaft, 29. rotating sleeve , 30, spring fixing plate, 31, memory alloy spring, 32, rotating plate, 33, winding roller, 34, sampling chamber, 35, limiting rod, 36, docking body, 37, fixed platform one, 38, fixed platform two, 39, connecting telescopic rod, 40, threaded sleeve, 41, transmission screw, 42, rotating body, 43, swing rod, 44, swing telescopic rod, 45, transmission rod, 46, blocking piece, 47, limiting groove, 48, rotating groove, 49, sampling port, 50, lower fixed plate, 51, clamping screw, 52, clamping plate, 53, pushing spring, 54, movable rod, 55, clamping spring, 56, fixed sleeve, 57, vent, 58, connector.

[0032] The accompanying drawings are used to provide further understanding of the present invention and constitute a part of the specification. They are used to explain the present invention together with the embodiments of the present invention and do not constitute a limitation of the present invention. DETAILED DESCRIPTION

[0033] The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments; based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the present invention.

[0034] In the description of the present invention, it should be understood that terms such as “upper”, “lower”, “front”, “back”, “left”, “right”, “top”, “bottom”, “inside” and “outside” indicating directions or positional relationships are based on the directions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and therefore should not be understood as limiting the present invention.

[0035] like Figure 1 , Figure 3 As shown, the present invention proposes an underwater sampling device for marine research, comprising a mounting plate 1, a center hole 2 is provided in the center of the mounting plate 1, a main support frame 3 is symmetrically provided on the upper wall of the mounting plate 1, a main shaft 4 is penetrated through the main support frame 3, a winch 5 is provided on the main shaft 4, a main rope 6 is wound on the winch 5, a pay-off transmission assembly 7 is provided on the main support frame 3, a pay-off control assembly 8 is symmetrically provided on the upper wall of the mounting plate 1, and the pay-off control assembly 8 is symmetrically arranged on both sides of the main support frame 3, automatic sampling mechanisms 9 are installed at equal intervals on the main rope 6, and a temperature-controlled automatic winding assembly 10 is provided at the end of the main rope 6;

[0036] The automatic sampling mechanism 9 includes a sampling docking component 11, a control clamping component 12 and an automatic opening component 13. The sampling docking component 11 is arranged on the main rope 6, the control clamping component 12 is symmetrically arranged on the sampling docking component 11, and the automatic opening component 13 is arranged on the sampling docking component 11.

[0037] like Figure 1 , Figure 2 As shown, the pay-off transmission assembly 7 includes a main motor 14, a transmission shaft 15, a driven gear 16 and a driving gear 17. The transmission shaft 15 is arranged on one of the main support frames 3, and the driving gear 17 is arranged on the transmission shaft 15. The main motor 14 is arranged on the outer wall of the main support frame 3, the main motor 14 is connected to the transmission shaft 15, the driven gear 16 is arranged on the main shaft 4, and the driving gear 17 is meshed with the driven gear 16.

[0038] like Figure 1 , Figure 2As shown, the line release control assembly 8 includes an auxiliary support frame 18, a clutch 19, a rope reel 20, a secondary shaft 21, a suspension rope 22, a bracket 1 23, a guide pulley 1 24, a bracket 25 and a guide pulley 26. The auxiliary support frame 18 is arranged on the upper wall of the mounting plate 1, the auxiliary support frame 18 is arranged on the outer side of the main support frame 3, the clutch 19 is arranged on the outer side wall of the main support frame 3, the secondary shaft 21 is arranged between the auxiliary support frame 18 and the main support frame 3, and the secondary shaft 21 is connected to the main support frame 3 through the clutch 19. The main support frame 3 is connected to the main support frame 3 by the shaft 4, the rope reel 20 is arranged on the secondary shaft 21, the bracket 1 23 is arranged on the outer wall of the main support frame 3, the guide pulley 1 24 is arranged on the bracket 1 23, the bracket 25 is arranged on the inner wall of the main support frame 3, the guide pulley 26 is arranged on the bracket 25, the rope 22 is wound around the rope reel 20, the rope 22 passes around the guide pulley 1 24 and the guide pulley 26, the rope 22 passes through the side wall of the main support frame 3, and the rope 22 passes through the center hole 2.

[0039] like Figure 1 , Figure 7 , Figure 8 As shown, the temperature-controlled automatic winding component 10 includes a counterweight ball 27, a winding shaft 28, a rotating sleeve 29, a spring fixing plate 30, a memory alloy spring 31, a rotating plate 32 and a winding roller 33. The counterweight ball 27 is arranged at one end of the main rope 6, and the counterweight ball 27 is a hollow ball. The winding shaft 28 penetrates the outer wall of the counterweight ball 27 along the diameter direction of the counterweight ball 27. The winding roller 33 is symmetrically arranged at both ends of the winding shaft 28. The end of the suspension rope 22 is arranged on the winding roller 33. The rotating sleeve 29 is arranged on the winding shaft 28. The rotating plate 32 is symmetrically arranged on the outer wall of the rotating sleeve 29. The spring fixing plate 30 is symmetrically arranged on the inner wall of the counterweight ball 27 with the center of the counterweight ball 27. One end of the memory alloy spring 31 is arranged on the spring fixing plate 30, and the other end of the memory alloy spring 31 is arranged at the outer end of the rotating plate 32.

[0040] like Figure 1 , Figure 2 , Figure 3 , Figure 4As shown, the sampling docking assembly 11 includes a sampling cavity 34, a limiting rod 35, a docking body 36, a fixed platform 1 37, a fixed platform 2 38, a connecting telescopic rod 39, a threaded sleeve 40 and a transmission screw 41. The sampling cavity 34 is arranged in pairs. The sampling cavity 34 is a semicircular cavity structure. A fixed platform 2 38 is symmetrically provided at an edge of one side of the sampling cavity 34. The two ends of the connecting telescopic rod 39 are respectively arranged on two opposite fixed platforms 2 38. A fixed platform 1 37 is provided at the middle edge of the sampling cavity 34. The end of the transmission screw 41 is rotatably arranged on the fixed platform 1 37. The two ends of the threaded sleeve 40 are provided with threads. The two ends of the threaded sleeve 40 are respectively arranged on the two transmission screws 41 through threads. The limiting rod 35 is symmetrically arranged on the outer side wall of the semicircular diameter of the sampling cavity 34. The docking body 36 is arranged at the outer end of the limiting rod 35, and the outer side wall of the docking body 36 is a concave arc surface.

[0041] like Figure 1 , Figure 3 As shown, the automatic opening component 13 includes a rotating body 42, a swing rod 43, a swing telescopic rod 44, a transmission rod 45 and a blocking piece 46. The upper and lower ends of the transmission rod 45 are provided with limit grooves 47. The transmission rod 45 is slidably arranged on the side wall of the docking body 36. The limit groove 47 of the transmission rod 45 is stuck on the limit rod 35. A rotating groove 48 is provided at the center of the sampling cavity 34. The upper and lower ends of the rotating groove 48 are arc-shaped. The rotating body 42 is rotatably arranged in the rotating groove 48. The swing One end of the rod 43 is arranged on the rotating body 42, and the blocking piece 46 is arranged in an arc shape. The inner wall of the blocking piece 46 is arranged at the end of the swing rod 43, and the blocking piece 46 slides on the inner wall of the sampling cavity 34. A sampling port 49 is provided in the middle of the arc-shaped outer wall of the sampling cavity 34. One end of the swing telescopic rod 44 is arranged on the rotating body 42, and the other end of the swing telescopic rod 44 is arranged on the transmission rod 45. The swing telescopic rod 44 and the swing rod 43 are on a straight line where the diameter of the rotating body 42 is located.

[0042] like Figure 1 , Figure 3 , Figure 6 , Fig. 9 As shown, the control clamping assembly 12 includes a lower fixed plate 50, a clamping screw 51, a clamping plate 52 and a pushing spring 53. The lower fixed plate 50 is symmetrically arranged on the side wall of the transmission rod 45. The clamping screw 51 is threadedly penetrated on the lower fixed plate 50. Both ends of the clamping plate 52 are sleeved on the clamping screw 51. The pushing spring 53 is sleeved on the clamping screw 51. The pushing spring 53 is arranged between the lower fixed plate 50 and the clamping plate 52.

[0043] like Figure 3 , Fig.10As shown, the swing telescopic rod 44 includes a movable rod 54, a compression spring 55 and a fixed sleeve 56. The movable rod 54 is slidably arranged in the fixed sleeve 56, and the compression spring 55 is arranged in the fixed sleeve 56. The compression spring 55 is arranged between the movable rod 54 and the inner end surface of the fixed sleeve 56. The end of the movable rod 54 is fixedly connected to the rotating body 42, and the end of the fixed sleeve 56 is hinged to the transmission rod 45.

[0044] like Figure 2 , Figure 7 , Figure 8 As shown, ventilation holes 57 are symmetrically provided inside the main rope 6 along the axis, and a connector 58 is provided at the end of the main rope 6 located on the winch 5. The connector 58 is connected to one of the ventilation holes 57, and the other ventilation hole 57 is connected to the outside.

[0045] like Figure 1 , Figure 2 , Figure 3 , Figure 4 , Figure 5 As shown, when the automatic sampling mechanism 9 is installed on the main rope 6 and the suspension rope 22, the threaded sleeve 40 is rotated, and the transmission screw 41 enters the threaded sleeve 40, and the transmission screw 41 drives the fixed platform 37 and the sampling chamber 34 to move toward each other, and the sampling chamber 34 drives the limit rod 35 and the docking body 36 to move toward each other, and the main rope 6 is located between the two docking bodies 36, and the two docking bodies 36 clamp the main rope 6 and fix it, and the suspension rope 22 is placed under the clamping plate 52, and the clamping screw 51 is tightened, and the clamping plate 52 clamps and fixes the suspension rope 22.

[0046] When in use, in the initial state, the clutch 19 is in a closed state, the main shaft 4 and the secondary shaft 21 are connected together, the winch 5 is controlled to release the main rope 6, the winch 5 and the rope reel 20 rotate at the same time, the rope reel 20 releases the suspension rope 22, the counterweight ball 27 moves downward, the automatic sampling mechanism 9 is taken, the main rope 6 is between the docking bodies 36, the threaded sleeve 40 is rotated, the transmission screw 41 enters the threaded sleeve 40, the transmission screw 41 drives the two fixed platforms 37 to move toward each other, the two fixed platforms 37 drive the two sampling chambers 34 to move toward each other, and the two sampling chambers 34 drive the two limit The rods 35 move toward each other, and the two limit rods 35 drive the two docking bodies 36 to move toward each other. The docking bodies 36 clamp the main rope 6, and then place the suspension rope 22 on the lower side of the clamping plate 52, and then tighten the clamping screw 51. The clamping screw 51 presses down the clamping plate 52, and the clamping plate 52 presses the suspension rope 22 on the side wall of the transmission rod 45. According to the above operation, the automatic sampling mechanism 9 is fixed on the main rope 6 and the suspension rope 22 at equal intervals, and the distance between adjacent automatic sampling mechanisms 9 is the set distance between adjacent sampling points. Then the winch 5 releases the main rope 6 to make the counterweight ball 27 reach the set water depth;

[0047] Then the clutch 19 is disconnected, when the winch 5 is in a stationary state, the rope reel 20 can rotate autonomously, the hair dryer is connected to the connector 58, and then hot air is introduced into the connector 58, the hot air enters one of the vents 57, and then enters the counterweight ball 27 through the vent 57, the gas in the counterweight ball 27 is discharged from another vent 57, the temperature in the counterweight ball 27 rises, the memory alloy spring 31 is heated and elongated, thereby pushing the rotating plate 32 to rotate, the rotating plate 32 drives the rotating sleeve 29 and the winding shaft 28 to rotate, the winding shaft 28 drives the winding roller 33 to rotate, the winding roller 33 winds up the suspension rope 22, and the suspension rope 22 pulls the pressing plate 52 downward The transmission rod 45 drives the fixed sleeve 56 to rotate clockwise, the fixed sleeve 56 drives the movable rod 54 to rotate clockwise, the movable rod 54 drives the rotating body 42 to rotate in the rotating groove 48, the rotating body 42 drives the swing rod 43 to rotate clockwise, the swing rod 43 drives the blocking piece 46 to rotate clockwise, at this time the blocking piece 46 is staggered with the sampling port 49, the seawater enters the sampling cavity 34, after the seawater sampling at different sampling points is completed, the hair dryer is used to pass the cold air into the connector 58, the cold air enters the counterweight ball 27 along one of the vents 57, the temperature in the counterweight ball 27 is reduced, the memory alloy spring 31 contracts when it is cold, thereby driving the rotating body 42 to rotate in the rotating groove 48, and the rotating body 42 drives the swing rod 43 to rotate clockwise. The plate 32 rotates, and the rope reel 20 is used to reel up the lifting rope 22. The lifting rope 22 drives the transmission rod 45 to move upward, and the transmission rod 45 drives the fixed sleeve 56 to rotate counterclockwise, and the fixed sleeve 56 drives the movable rod 54 to rotate counterclockwise, and the movable rod 54 drives the rotating body 42 to rotate in the rotating groove 48, and the rotating body 42 drives the swing rod 43 to rotate counterclockwise, and the swing rod 43 drives the blocking piece 46 to rotate counterclockwise, and the blocking piece 46 blocks the sampling port 49, and the seawater in the sampling port 49 is stored in the sampling cavity 34, and then the clutch 19 is controlled to close again, and the main shaft 4 and the secondary shaft 21 are connected together again, and the winch 5 is controlled to reel in the main rope 6, and the winch 5 and the rope reel 20 At the same time, the rope reel 20 reels the sling rope 22, thereby raising all the automatic reeling mechanisms at the same time. After the automatic sampling mechanism 9 passes through the central hole 2 of the mounting plate 1 in turn, the clamping screw 51 is loosened, and the push spring 53 pushes the clamping plate 52 upward, and the sling rope 22 is pulled out from between the clamping plate 52 and the transmission rod 45. Then, the threaded sleeve 40 is rotated counterclockwise, and the transmission screw 41 extends from the threaded sleeve 40. The transmission screw 41 drives the two sampling chambers 34 to move in the opposite direction, and the two sampling chambers 34 drive the two limit rods 35 and the docking body 36 to move in the opposite direction, thereby removing the automatic sampling mechanism 9 in turn, and seawater samples at sampling points of different depths can be obtained.

[0048] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0049] While the embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that many changes, modifications, substitutions and variations can be made to the embodiments without departing from the principles and spirit of the invention.

[0050] The present invention and its embodiments are described above, and such description is not restrictive. The drawings show only one embodiment of the present invention, and the actual structure is not limited thereto. In short, if ordinary technicians in the field are inspired by it, without departing from the purpose of the invention, they can design a structure and embodiment similar to the technical solution without creativity, which should belong to the protection scope of the present invention.

Claims

1. An underwater sampling device for marine research, comprising a mounting plate (1), wherein a center hole (2) is provided at the center of the mounting plate (1), characterized in that: A main support frame (3) is symmetrically arranged on the upper wall of the mounting plate (1), a main shaft (4) is penetrated through the main support frame (3), a winch (5) is arranged on the main shaft (4), a main rope (6) is wound around the winch (5), a wire-releasing transmission assembly (7) is arranged on the main support frame (3), a wire-releasing control assembly (8) is symmetrically arranged on the upper wall of the mounting plate (1), the wire-releasing control assembly (8) is symmetrically arranged on both sides of the main support frame (3), automatic sampling mechanisms (9) are installed at equal intervals on the main rope (6), and a temperature-controlled automatic winding assembly (10) is arranged at the end of the main rope (6); The automatic sampling mechanism (9) comprises a sampling docking component (11), a control and clamping component (12) and an automatic opening component (13); the sampling docking component (11) is arranged on the main rope (6); the control and clamping component (12) is symmetrically arranged on the sampling docking component (11); and the automatic opening component (13) is arranged on the sampling docking component (11); The line-releasing control assembly (8) comprises an auxiliary support frame (18), a clutch (19), a rope reel (20), a secondary shaft (21), a suspension rope (22), a bracket (23), a guide pulley (24), a bracket (25) and a guide pulley (26), wherein the auxiliary support frame (18) is arranged on the upper wall of the mounting plate (1), the auxiliary support frame (18) is arranged on the outer side of the main support frame (3), the clutch (19) is arranged on the outer side wall of the main support frame (3), the secondary shaft (21) is arranged between the auxiliary support frame (18) and the main support frame (3), and the secondary shaft (21) is connected to the main support frame (3) through the clutch (19). The main support frame (3) is connected to the main support frame (3), the rope reel (20) is arranged on the secondary shaft (21), the bracket (23) is arranged on the outer wall of the main support frame (3), the guide pulley (24) is arranged on the bracket (23), the bracket (25) is arranged on the inner wall of the main support frame (3), the guide pulley (26) is arranged on the bracket (25), the lifting rope (22) is wound around the rope reel (20), the lifting rope (22) passes around the guide pulley (24) and the guide pulley (26), the lifting rope (22) passes through the side wall of the main support frame (3), and the lifting rope (22) passes through the center hole (2); The temperature-controlled automatic winding assembly (10) comprises a weighted ball (27), a winding shaft (28), a rotating sleeve (29), a spring fixing plate (30), a memory alloy spring (31), a rotating plate (32) and a winding roller (33), wherein the weighted ball (27) is arranged at one end of a main rope (6), the weighted ball (27) is a hollow ball, the winding shaft (28) penetrates the outer wall of the weighted ball (27) along the diameter direction of the weighted ball (27), and the winding roller (33) is symmetrically arranged on the winding shaft (2 8), the end of the suspension rope (22) is arranged on the winding roller (33), the rotating sleeve (29) is arranged on the winding shaft (28), the rotating plate (32) is symmetrically arranged on the outer wall of the rotating sleeve (29), the spring fixing plate (30) is symmetrically arranged on the inner wall of the counterweight ball (27) with the center of the counterweight ball (27), one end of the memory alloy spring (31) is arranged on the spring fixing plate (30), and the other end of the memory alloy spring (31) is arranged on the outer end of the rotating plate (32); The sampling docking assembly (11) comprises a sampling cavity (34), a limiting rod (35), a docking body (36), a fixing platform 1 (37), a fixing platform 2 (38), a connecting telescopic rod (39), a threaded sleeve (40) and a transmission screw (41); the sampling cavities (34) are arranged in pairs; the sampling cavities (34) are arranged in a semi-cylindrical cavity; a fixing platform 2 (38) is symmetrically arranged at one side edge of the sampling cavity (34); and two ends of the connecting telescopic rod (39) are respectively arranged on two opposite fixing platforms 2 (38). A fixing platform (37) is provided at the middle edge of the sampling cavity (34), the end of the driving screw (41) is rotatably mounted on the fixing platform (37), threads are provided at both ends of the threaded sleeve (40), and the two ends of the threaded sleeve (40) are respectively mounted on two driving screws (41) through threads, the limiting rod (35) is symmetrically arranged on the outer side wall of the semicircular diameter of the sampling cavity (34), the docking body (36) is arranged at the outer end of the limiting rod (35), and the outer side wall of the docking body (36) is a concave arc surface; The automatic opening component (13) comprises a rotating body (42), a swing rod (43), a swing telescopic rod (44), a transmission rod (45) and a blocking piece (46); upper and lower ends of the transmission rod (45) are provided with limit grooves (47); the transmission rod (45) is slidably arranged on the side wall of the docking body (36); the limit groove (47) of the transmission rod (45) is clamped on the limit rod (35); a rotating groove (48) is provided at the center of the sampling cavity (34); the upper and lower ends of the rotating groove (48) are arc-shaped; the rotating body (42) is rotatably arranged in the rotating groove (48); the swing rod (43) is provided with a swing telescopic rod (44); the transmission rod (45) is provided with a swing telescopic rod (45); the transmission rod (45 ... One end of the rod (43) is arranged on the rotating body (42), the blocking piece (46) is arranged in an arc shape, the inner wall of the blocking piece (46) is arranged at the end of the swing rod (43), the blocking piece (46) slides on the inner wall of the sampling cavity (34), and a sampling port (49) is provided in the middle of the arc-shaped outer wall of the sampling cavity (34), one end of the swing telescopic rod (44) is arranged on the rotating body (42), and the other end of the swing telescopic rod (44) is arranged on the transmission rod (45), and the swing telescopic rod (44) and the swing rod (43) are on a straight line where the diameter of the rotating body (42) is located; The main rope (6) is provided with ventilation holes (57) symmetrically extending along the axis, and a connecting head (58) is provided at the end of the main rope (6) on the hoist (5), the connecting head (58) is connected to one of the ventilation holes (57), and the other ventilation hole (57) is communicated with the outside.

2. An underwater sampling device for marine research according to claim 1, characterized in that: The pay-off transmission assembly (7) comprises a main motor (14), a transmission shaft (15), a driven gear (16) and a driving gear (17); the transmission shaft (15) is arranged on one of the main support frames (3); the driving gear (17) is arranged on the transmission shaft (15); the main motor (14) is arranged on the outer wall of the main support frame (3); the main motor (14) is connected to the transmission shaft (15); the driven gear (16) is arranged on the main shaft (4); and the driving gear (17) is meshed with the driven gear (16).

3. An underwater sampling device for marine research according to claim 2, characterized in that: The control clamping assembly (12) comprises a lower fixing plate (50), a clamping screw (51), a clamping plate (52) and a pushing spring (53); the lower fixing plate (50) is symmetrically arranged on the side wall of the transmission rod (45); the clamping screw (51) is threadedly penetrated on the lower fixing plate (50); both ends of the clamping plate (52) are sleeved on the clamping screw (51); the pushing spring (53) is sleeved on the clamping screw (51); and the pushing spring (53) is arranged between the lower fixing plate (50) and the clamping plate (52).

4. An underwater sampling device for marine research according to claim 3, characterized in that: The swing telescopic rod (44) comprises a movable rod (54), a compression spring (55) and a fixed sleeve (56); the movable rod (54) is slidably arranged in the fixed sleeve (56); the compression spring (55) is arranged in the fixed sleeve (56); the compression spring (55) is arranged between the movable rod (54) and the inner end surface of the fixed sleeve (56); the end of the movable rod (54) is fixedly connected to the rotating body (42); and the end of the fixed sleeve (56) is hinged to the transmission rod (45).

5. An underwater sampling device for marine research according to claim 4, characterized in that: When the automatic sampling mechanism (9) is installed on the main rope (6) and the suspension rope (22), the threaded sleeve (40) is rotated, the transmission screw (41) enters the threaded sleeve (40), the transmission screw (41) drives the fixing table (37) and the sampling chamber (34) to move toward each other, the sampling chamber (34) drives the limit rod (35) and the docking body (36) to move toward each other, the main rope (6) is located between the two docking bodies (36), the two docking bodies (36) clamp the main rope (6), the suspension rope (22) is placed under the clamping plate (52), the clamping screw (51) is tightened, and the clamping plate (52) clamps and fixes the suspension rope (22).

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