Marine garbage collection ship

Abstract

The invention relates to the technical field of marine litter collection, in particular to a marine litter collection ship which comprises a ship body and a collection box. The ship further comprises a retractor, a cable, a plurality of sonar modules, a plurality of buoyancy tanks, a plurality of filter screens, a rudder plate and a push rod, the retractor is installed on the ship body, the upper end of the cable is wound on the retractor, the plurality of sonar modules are evenly installed on the cable, the plurality of buoyancy tanks are installed on the collecting box, and the outer surface of the collecting box is covered with a film. A water inlet is formed in the end, facing the ship body, of the collecting box, a plurality of filter screens are transversely installed in the collecting box and are sequentially arranged backwards from the inlet of the collecting box, meshes of the filter screens are gradually reduced, a rudder plate is rotationally installed at the end, close to the water inlet, of the collecting box, and the rudder plate is perpendicular to the collecting box. One end of the push rod is rotationally connected with the collecting box, and the other end is rotationally connected with the rudder plate; the device has a structure and a function of detecting the garbage under the sea surface, can efficiently collect the garbage suspending under the sea surface, and is small in limitation and good in practicability.

Description

Technical Field

[0001] The present invention relates to the technical field of marine garbage collection, in particular to a marine garbage collection ship. Background Art

[0002] Marine garbage mainly includes plastic garbage and the like. Various marine garbage collection ships are disclosed in the prior art, such as a marine garbage collection and processing ship proposed in a Chinese invention patent application with publication number CN115892364A. The marine garbage collection and processing ship comprises a hull, on which are provided a plurality of garbage collecting structures, conveying structures and garbage compression structures. The garbage collecting structure comprises a supporting frame, on which is provided a mounting frame, on which is provided a water filtering and feeding structure and a material guide trough. A symmetrically arranged water filtering plate and an electric control device are provided at the feeding end of the mounting frame. A limiting slide groove and an electric push rod connected to the electric control device through a control line are provided on the water filtering plate. The output end of the electric push rod is connected to a moving frame through a limiting slide block matched with the limiting slide groove. A fixed shaft is provided on the moving frame, a rotating sleeve is provided on the fixed shaft, and a plurality of groups of water-permeable plates are provided on the rotating sleeve.

[0003] The above-mentioned existing marine garbage collection ship adjusts the output of the electric push rod at the front end of the garbage collecting structure according to the sea surface conditions when in use, controls the protrusion distance of the moving frame, and adjusts the material collection range; starts the hull and moves towards the location of the marine garbage. During the movement, the marine garbage is input through the first conveyor belt, and after draining through the water-permeable holes, it enters the conveying structure through the material guide trough; after the conveying structure delivers the material to the receiving trough, it is compressed in the material guide trough under the action of the first hydraulic rod, and then pushed to the collecting trough for collection and storage.

[0004] However, the above-mentioned existing marine garbage collection ships are mainly used to collect garbage floating on the sea surface. Since they do not have the structure and function of detecting garbage under the sea surface, it is not convenient to efficiently collect garbage suspended under the sea surface, nor is it convenient to adjust according to the depth of suspended garbage, and has great limitations. Summary of the invention

[0005] In order to solve the above technical problems, the present invention provides a marine garbage collection ship with a structure and function for detecting garbage under the sea surface, efficiently collecting garbage suspended under the sea surface, having fewer limitations and good practicality.

[0006] A marine garbage collection ship of the present invention comprises a hull and a collection box, wherein the collection box is connected to the stern of the hull through a cable; further comprising a reel, a cable, a plurality of sonar modules, a plurality of buoys, a plurality of filter screens, a rudder plate and a push rod, wherein the reel is mounted on the hull, the upper end of the cable is reeled on the reel, a plurality of sonar modules are evenly mounted on the cable, a plurality of buoys are mounted on the collection box, the outer surface of the collection box is covered by a film, a water inlet is arranged at one end of the collection box facing the hull, a plurality of filter screens are horizontally mounted inside the collection box, the plurality of filter screens are sequentially arranged from the inlet of the collection box backwards, and the mesh size of the plurality of filter screens gradually decreases, a rudder plate is rotatably mounted on one end of the collection box close to the water inlet, the rudder plate is vertically arranged with the collection box, one end of the push rod is rotatably connected with the collection box, and the other end of the push rod is rotatably connected with the rudder plate; when working, the hull sails on the sea surface, the water injection amount in the plurality of buoys is adjusted so that the collection box can be suspended in the sea water, the reel releases the cable into the sea water, so that the plurality of sonar modules are arranged vertically in the sea water following the cable, The sonar module generates ultrasonic waves. When garbage is concentrated near the sonar module, the sonar module receives the ultrasonic waves reflected by the garbage. The sonar module generates electrical signals of different intensities according to the intensity of the received ultrasonic waves, so as to determine the amount of garbage in each water layer in the seawater flowing through the cable according to the intensity of the electrical signals generated by multiple sonar modules. After determining the water layer where the garbage is concentrated, the controller of the push rod controls the push rod to extend and retract to push the rudder plate to adjust the angle, so that the rudder plate produces a rudder surface effect to drive the suspended collection box to reach the water layer where the garbage is concentrated, so that the garbage suspended in the ocean enters the collection box through the water inlet of the collection box, and is intercepted by multiple filters from coarse to fine in multiple levels, so that the marine garbage is collected in the collection box, and the buoyancy of the multiple floating boxes is adjusted to make the collection box semi-submerged in the sea. At this time, the collection box can collect garbage floating on the sea surface. Compared with the existing technology, it has the structure and function of detecting garbage under the sea surface, can be adjusted according to the depth of the suspended garbage, can efficiently collect garbage suspended under the sea surface, has fewer limitations, and has good practicality.

[0007] Preferably, it also includes a counterweight and a tail fin, the counterweight being installed at the lower end of the cable, and the tail fin being installed at the rear of the counterweight; the gravity of the counterweight will pull the cable downward so that the cable can be kept as vertical as possible, and the rudder effect generated by the seawater flowing through the tail fin will keep the counterweight stable, reduce cable bending, and thus reduce the positioning error of multiple sonar modules on each water layer.

[0008] Preferably, it also includes pulley one, a pressure sensor and pulley two, pulley one is rotatably installed on the hull, the pressure sensor is installed on the hull, the end of the pressure sensor is rotatably installed on pulley two, pulley one and pulley two rollingly support the cable; pulley one rolls and guides the cable, when the hull sails forward, the cable is pressed against pulley two due to the resistance of seawater, the pressure sensor detects the pressure of pulley two, and the bending degree of the cable can be judged according to the pressure detected by the pressure sensor, thereby compensating for the depth position of multiple sonar modules and improving the positioning accuracy of the water layer.

[0009] Preferably, it also includes a ranging head, which is installed on the hull, the probe of the ranging head is aligned with the cable, and the ranging head detects the length of the released cable; the depth of multiple sonar modules is located by detecting the length of the released cable by the ranging head, thereby improving the positioning accuracy of the water layer.

[0010] Preferably, the collecting box comprises a front frame, a middle frame 1, a middle frame 2, a rear frame and a plurality of connecting rods, the front frame, the middle frame 1, the middle frame 2 and the rear frame are arranged in sequence from front to rear, the rudder plate is rotatably mounted on the upper crossbeam of the front frame, the push rod is rotatably connected to the front frame, the middle parts of the middle frame 1 and the middle frame 2 are both installed with filter screens, the front frame and the middle frame 1, the middle frame 1 and the middle frame 2, and the middle frame 2 and the rear frame are all connected by a plurality of connecting rods, the plurality of connecting rods are rotatably connected to each other, and the plurality of connecting rods are connected to the front frame, the middle frame 1, the middle frame 2 Frame 2 is rotatably connected to the rear frame; the front frame, the middle frame 1, the middle frame 2 and the rear frame are movably connected through multiple connecting rods to form a foldable box frame. When not working, the multiple connecting rods of the box frame are bent inward, so that the front frame, the middle frame 1, the middle frame 2 and the rear frame are close to each other, so that the box is folded to reduce the volume, which is convenient for transportation on the hull. When working, the multiple connecting rods of the box frame are straightened, so that the front frame, the middle frame 1, the middle frame 2 and the rear frame are separated, so that the box is unfolded, which is convenient for collecting marine garbage and has good practicality.

[0011] Preferably, it also includes a vertical rod, and two rudder plates are arranged, one rudder plate is rotatably mounted on the upper cross beam of the front frame, and the other rudder plate is rotatably mounted on the lower cross beam of the front frame, the two rudder plates are parallel, and the upper end and the lower end of the vertical rod are rotatably connected to the two rudder plates respectively; when the push rod drives one rudder plate to adjust the pitch angle, the rudder plate drives the other rudder plate to pitch synchronously through the vertical rod, so that the two rudder plates produce a rudder surface effect to adjust the depth position of the front frame, thereby improving the adjustment efficiency.

[0012] Preferably, it also includes a water pump, which is installed in the middle of the rear frame through a bracket; the water pump is operated to discharge the seawater inside the collection box backwards, so that the seawater passing through the cable enters the collection box through the water inlet of the collection box more efficiently, thereby improving the collection efficiency of marine garbage.

[0013] Preferably, it also includes multiple net bags, two guide rods, two scraper plates, an annular rope, multiple pulleys, a waterproof motor and an active pulley. The multiple net bags are respectively installed on the middle frame one and the middle frame two, and the multiple net bags are respectively located on the left and right sides of the two filter screens. The two guide rods are respectively installed on the front sides of the middle frame one and the middle frame two for vertical sliding. The scraper plates are installed on the rear side walls of the two guide rods. The two scraper plates scrape the front surfaces of the two filter screens respectively. The annular rope connects the two guide rods. The multiple pulleys are respectively installed on the middle frame one and the middle frame two for rotation. The multiple pulleys are rolled to guide the annular rope. The waterproof motor is installed on the middle frame one and the middle frame two for rolling guiding. On the frame one, the output shaft of the waterproof motor is concentrically installed with an active pulley, and the active pulley cooperates with pulley three to clamp the annular rope, and the active pulley and pulley three are meshed through a gear pair; the waterproof motor drives the active pulley to rotate, and the active pulley meshes to drive pulley three to rotate, so that the multiple pulleys three drive the annular rope to reciprocate, and the annular rope drives the two guide rods to move back and forth along the middle frame one and the middle frame two, so that the two guide rods drive the two scrapers one to scrape the front surfaces of the two filter screens back and forth, and the marine garbage intercepted on the two filter screens is hung into multiple net bags, so that the two filter screens maintain the ability to intercept marine garbage.

[0014] Preferably, it also includes four threaded sliders, two bidirectional screws, two waterproof motors 2 and multiple support rods, the two scraper plates 1 are respectively located at the rear sides of the two guide rods, the two threaded sliders are relatively slidably installed on the two guide rods, the two bidirectional screws are rotatably installed on the two guide rods, the positive and negative threads of the two bidirectional screws are respectively threadedly connected with the four threaded sliders, the front ends of the multiple support rods are respectively rotatably connected with the two threaded sliders, and the rear ends of the multiple support rods are respectively rotatably connected with the middle parts of the two scraper plates 1; when the guide rod drives the scraper plate 1 to scrape the filter screen, the multiple threaded sliders are respectively located at the upper and lower ends of the guide rod, so that the multiple support rods drive the two scraper plates 1 to be close to the guide rod, and when the guide rod reaches the front port of the net bag, the waterproof motor 2 drives the bidirectional screw to rotate, and the bidirectional screw drives the two threaded sliders to move closer to each other, so that the multiple support rods push the two guide rods backwards, so that the two guide rods extend into the net bag to compact the garbage therein, thereby improving the efficiency of collecting marine garbage.

[0015] Preferably, it also includes two rear guide rods, two rear scrapers and multiple arm rods, the two rear guide rods are respectively located at the rear sides of the middle frame one and the middle frame two, the front end faces of the two rear guide rods are installed with rear scrapers, the two rear scrapers scrape the rear surfaces of the two filter screens, the front ends of the multiple arm rods are respectively rotatably connected to the upper and lower ends of the two guide rods, and the rear ends of the multiple arm rods are respectively rotatably connected to the upper and lower ends of the two rear guide rods; the two guide rods drive the two rear guide rods to move back and forth through the multiple arm rods, so that the two rear guide rods drive the two rear scrapers to scrape the rear surfaces of the two filter screens, and when the guide rod moves to the left, the rear guide rod is deflected to the right side of the guide rod driven by the two arm rods, so as to avoid the rear guide rod blocking the guide rod from pushing materials, which has good practicality.

[0016] Compared with the prior art, the beneficial effects of the present invention are: it has the structure and function of detecting garbage under the sea surface, can be adjusted according to the depth of suspended garbage, can efficiently collect garbage suspended under the sea surface, has fewer limitations and good practicality. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic diagram of the structure of the present invention; Figure 2 It is a side structural schematic diagram of the present invention; Figure 3 It is a structural schematic diagram of the working state of the present invention; Figure 4 It is a schematic diagram of the structure of the retractor, cable, sonar module, counterweight, tail fin, pulley 1 and pressure sensor; Figure 5 It is a schematic diagram of the structure of the collection box, buoyancy box, filter screen, rudder plate and push rod; Figure 6 It is a schematic diagram of the structure of the buoyancy box, rudder plate, push rod and front frame; Figure 7 It is a structural schematic diagram of the filter, the middle frame 1 and the net bag; Figure 8 It is a schematic diagram of the structure of the filter screen, annular rope, guide rod, scraper, threaded slider, rear guide rod and rear scraper; Fig. 9 It is a structural schematic diagram of a guide rod, a scraper plate, a threaded slider, a bidirectional screw, a waterproof motor plate, a support rod, a rear guide rod, a rear scraper plate and an arm rod.

[0018] Markings in the attached figure: 1. hull; 2. collection box; 3. reel; 4. cable; 5. sonar module; 6. buoyancy box; 7. filter; 8. rudder; 9. push rod; 10. counterweight; 11. tail fin; 12. pulley one; 13. pressure sensor; 14. pulley two; 15. ranging head; 16. front frame; 17. middle frame one; 18. middle frame two; 19. rear frame; 20. connecting rod; 21. vertical rod; 22. water pump; 23. net bag; 24. guide rod; 25. scraper one; 26. ring rope; 27. pulley three; 28. waterproof motor; 29. ​​active pulley; 30. threaded slider; 31. bidirectional screw; 32. waterproof motor two; 33. support rod; 34. rear guide rod; 35. rear scraper; 36. arm. DETAILED DESCRIPTION

[0019] In order to facilitate understanding of the present invention, the present invention will be described more fully below with reference to the relevant drawings. The present invention can be implemented in many different forms and is not limited to the embodiments described herein. On the contrary, the purpose of providing these embodiments is to make the disclosure of the present invention more thorough and comprehensive.

[0020] Example 1 like Figures 1 to 4 As shown, a marine garbage collection ship includes a hull 1 and a collection box 2, and the collection box 2 is connected to the stern of the hull 1 through a cable; it also includes a reel 3, a cable 4, a plurality of sonar modules 5, a plurality of buoys 6, a plurality of filter screens 7, a rudder plate 8 and a push rod 9, the reel 3 is installed on the hull 1, the upper end of the cable 4 is reeled on the reel 3, a plurality of sonar modules 5 are evenly installed on the cable 4, a plurality of buoys 6 are installed on the collection box 2, the outer surface of the collection box 2 is covered with a film, a water inlet is set at one end of the collection box 2 facing the hull 1, a plurality of filter screens 7 are installed laterally inside the collection box 2, the plurality of filter screens 7 are arranged in sequence from the inlet of the collection box 2 to the rear, and the mesh size of the plurality of filter screens 7 is gradually reduced, and the collection box 2 is rotated on the end close to the water inlet A rudder plate 8 is installed, and the rudder plate 8 is arranged vertically with the collecting box 2. One end of the push rod 9 is rotatably connected to the collecting box 2, and the other end of the push rod 9 is rotatably connected to the rudder plate 8; it also includes a counterweight 10 and a tail fin 11. The counterweight 10 is installed at the lower end of the cable 4, and the tail fin 11 is installed at the rear of the counterweight 10; it also includes a pulley 12, a pressure sensor 13 and a pulley 2 14. The pulley 12 is rotatably installed on the hull 1, the pressure sensor 13 is installed on the hull 1, and the end of the pressure sensor 13 is rotatably installed on the pulley 2 14, and the pulley 12 and the pulley 2 14 rollingly support the cable 4; it also includes a ranging head 15, which is installed on the hull 1, the probe of the ranging head 15 is aligned with the cable 4, and the ranging head 15 detects the released length of the cable 4.

[0021] During operation, the hull 1 sails on the sea surface, and the amount of water injected into the multiple buoyancy boxes 6 is adjusted so that the collecting box 2 can float in the seawater. The reel 3 releases the cable 4 into the seawater, and the length of the released cable 4 is detected by the ranging head 15, so that the multiple sonar modules 5 are arranged in the seawater following the cable 4. The gravity of the counterweight block 10 drops the cable 4 downward, so that the cable 4 remains vertical as much as possible. The rudder surface effect generated by the seawater flowing through the tail wing 11 keeps the counterweight block 10 stable, reduces the bending of the cable 4, and thus reduces the positioning error of the multiple sonar modules 5 for each water layer. The pulley 12 guides the cable 4 for rolling. When the hull 1 sails forward, the cable 4 receives the resistance of the seawater and is pressed against the pulley 2 14. The pressure sensor 13 detects the pressure of the pulley 2 14. The bending degree of the cable 4 can be judged according to the pressure detected by the pressure sensor 13, thereby compensating for the depth position of the multiple sonar modules 5, and the positioning accuracy of the depth where the multiple sonar modules 5 are located is performed. The multiple sonar modules 5 generate ultrasonic waves, When garbage is concentrated near the sonar module 5, the sonar module 5 receives the ultrasonic wave reflected by the garbage, and the sonar module 5 generates electrical signals of different intensities according to the intensity of the received ultrasonic wave, so as to determine the amount of garbage in each water layer in the seawater flowing through the cable 4 according to the intensity of the electrical signals generated by the multiple sonar modules 5. After determining the water layer where the garbage is concentrated, the controller of the push rod 9 controls the push rod 9 to extend and retract to push the rudder plate 8 to adjust the angle, so that the rudder plate 8 produces a rudder surface effect to drive the suspended collection box 2 to reach the water layer where the garbage is concentrated, so that the garbage suspended in the ocean enters the collection box 2 through the water inlet of the collection box 2, and is intercepted by multiple filters 7 from coarse to fine in multiple levels, so that the marine garbage is collected in the collection box 2, and the buoyancy of the multiple floats 6 is adjusted to make the collection box 2 semi-submerged in the sea. At this time, the collection box 2 can collect garbage floating on the sea surface. Compared with the prior art, it has the structure and function of detecting garbage under the sea surface, can be adjusted according to the depth of the suspended garbage, and can efficiently collect the garbage suspended under the sea surface.

[0022] Example 2 like Figures 5 to 7As shown, on the basis of embodiment 1, the collecting box 2 includes a front frame 16, a middle frame 17, a middle frame 18, a rear frame 19 and a plurality of connecting rods 20, the front frame 16, the middle frame 17, the middle frame 18 and the rear frame 19 are arranged in sequence from front to rear, the steering plate 8 is rotatably mounted on the upper crossbeam of the front frame 16, the push rod 9 is rotatably connected to the front frame 16, the middle parts of the middle frame 17 and the middle frame 18 are both installed with a filter screen 7, between the front frame 16 and the middle frame 17, between the middle frame 17 and the middle frame 18, between the middle frame 18 and the rear frame 19 They are all connected by multiple connecting rods 20, and the multiple connecting rods 20 are rotatably connected to each other. The multiple connecting rods 20 are rotatably connected to the front frame 16, the middle frame 17, the middle frame 2 18 and the rear frame 19; it also includes a vertical rod 21, two rudder plates 8 are arranged, one rudder plate 8 is rotatably installed on the upper cross beam of the front frame 16, and the other rudder plate 8 is rotatably installed on the lower cross beam of the front frame 16. The two rudder plates 8 are parallel, and the upper and lower ends of the vertical rod 21 are rotatably connected to the two rudder plates 8 respectively; it also includes a water pump 22, which is installed in the middle of the rear frame 19 through a bracket.

[0023] The front frame 16, the middle frame 17, the middle frame 18 and the rear frame 19 are movably connected by a plurality of connecting rods 20 to form a foldable box frame. When not in operation, the plurality of connecting rods 20 of the box frame are bent inward, so that the front frame 16, the middle frame 17, the middle frame 18 and the rear frame 19 are close to each other, so that the box is folded to reduce the volume, which is convenient for transportation on the hull 1. When working, the plurality of connecting rods 20 of the box frame are straightened, so that the front frame 16, the middle frame 17, the middle frame 18 and the rear frame 19 are folded to reduce the volume of the box. The box 19 is moved away so that the box body is unfolded, which is convenient for collecting marine debris. When the push rod 9 drives a rudder plate 8 to adjust the pitch angle, the rudder plate 8 drives another rudder plate 8 to pitch synchronously through the vertical rod 21, so that the two rudder plates 8 produce a rudder surface effect to adjust the depth position of the front frame 16, thereby improving the adjustment efficiency. The water pump 22 runs to discharge the seawater inside the collection box 2 backwards, so that the seawater passing through the cable 4 can more efficiently enter the collection box 2 through the water inlet of the collection box 2, thereby improving the collection efficiency of marine debris.

[0024] Example 3 like Figures 5 to 9As shown, on the basis of Example 2, it also includes multiple net bags 23, two guide rods 24, two scrapers 25, a ring rope 26, multiple pulleys 27, a waterproof motor 28 and an active pulley 29, multiple net bags 23 are respectively installed on the middle frame 17 and the middle frame 2 18, multiple net bags 23 are respectively located on the left and right sides of the two filter screens 7, two guide rods 24 are respectively installed on the front sides of the middle frame 17 and the middle frame 2 18 vertically and slidably, scrapers 25 are installed on the rear side walls of the two guide rods 24, and two The scraper 1 25 scrapes the front surfaces of the two filter screens 7 respectively, the annular rope 26 connects the two guide rods 24, and multiple pulleys 3 27 are rotatably installed on the middle frame 17 and the middle frame 2 18 respectively. Multiple pulleys 3 27 roll and guide the annular rope 26. The waterproof motor 28 is installed on the middle frame 17. The output shaft of the waterproof motor 28 is coaxially installed with an active pulley 29. The active pulley 29 cooperates with the pulley 3 27 to clamp the annular rope 26. The active pulley 29 and the pulley 3 27 are meshed through a gear pair; it also includes four The two scrapers 25 are respectively located at the rear side of the two guide rods 24. The two guide rods 24 are respectively slidably mounted with two threaded sliders 30. The two bidirectional screws 31 are respectively rotatably mounted on the two guide rods 24. The positive and negative threads of the two bidirectional screws 31 are respectively threadedly connected with the four threaded sliders 30. The front ends of the multiple support rods 33 are respectively rotatably connected with the two threaded sliders 30. The rear ends of the multiple support rods 33 are respectively rotatably connected with the two threaded sliders 30. They are rotatably connected to the middle parts of the two scrapers 25 respectively; they also include two rear guide rods 34, two rear scrapers 35 and multiple arm rods 36, the two rear guide rods 34 are respectively located at the rear sides of the middle frame 17 and the middle frame 2 18, the front end surfaces of the two rear guide rods 34 are installed with rear scrapers 35, the two rear scrapers 35 scrape the rear surfaces of the two filters 7, the front ends of the multiple arm rods 36 are rotatably connected to the upper and lower ends of the two guide rods 24 respectively, and the rear ends of the multiple arm rods 36 are rotatably connected to the upper and lower ends of the two rear guide rods 34 respectively.

[0025] The waterproof motor 28 drives the active pulley 29 to rotate, and the active pulley 29 engages with the driving pulley three 27 to rotate, so that the multiple pulleys three 27 drive the annular rope 26 to reciprocate, so that the annular rope 26 drives the two guide rods 24 to move back and forth along the middle frame 17 and the middle frame 2 18, so that the two guide rods 24 drive the two scrapers 1 25 to scrape the front surfaces of the two filter screens 7 back and forth, and the marine garbage intercepted on the two filter screens 7 is hung into the multiple net bags 23, so that the two filter screens 7 maintain the ability to intercept marine garbage. When the guide rod 24 drives the scraper 1 25 to scrape the filter screen 7, the multiple threaded sliders 30 are respectively located at the upper and lower ends of the guide rod 24, so that the multiple support rods 33 drive the two scrapers 1 25 to be close to the guide rod 2 4, when the guide rod 24 reaches the front end of the net bag 23, the waterproof motor 2 32 drives the bidirectional screw 31 to rotate, and the bidirectional screw 31 drives the two threaded sliders 30 to move relatively close, so that the multiple support rods 33 push the two guide rods 24 backward, so that the two guide rods 24 extend into the net bag 23 to compact the garbage therein, thereby improving the efficiency of collecting marine garbage. The two guide rods 24 respectively drive the two rear guide rods 34 to move back and forth through the multiple arm rods 36, so that the two rear guide rods 34 drive the two rear scrapers 35 to scrape the rear surfaces of the two filter screens 7. When the guide rod 24 moves to the left, the rear guide rod 34 is driven by the two arm rods 36 to deflect to the right side of the guide rod 24 to avoid the rear guide rod 34 blocking the guide rod 24 from pushing the material.

[0026] like Figures 1 to 9As shown, a marine garbage collection ship of the present invention, when working, firstly, the hull 1 sails on the sea surface, and the water injection amount in the multiple buoyancy boxes 6 is adjusted so that the collection box 2 can be suspended in the seawater. The reel 3 releases the cable 4 into the seawater, so that the multiple sonar modules 5 are arranged vertically in the seawater following the cable 4, and the multiple sonar modules 5 generate ultrasonic waves. Then, when garbage is concentrated near the sonar module 5, the sonar module 5 receives the ultrasonic wave reflected by the garbage, and the sonar module 5 generates electrical signals of different intensities according to the intensity of the received ultrasonic wave, so as to determine the amount of garbage in each water layer in the seawater flowing through the cable 4 according to the intensity of the electrical signals generated by the multiple sonar modules 5. After determining the water layer where the garbage is concentrated, the controller of the push rod 9 controls the push rod 9 to extend and retract to push the rudder plate 8 to adjust the angle, so that the rudder plate 8 generates a rudder surface effect to drive the suspended collection box 2 to reach the water layer where the garbage is concentrated, and then the water pump 22 is operated to discharge the seawater inside the collection box 2 backwards, so that the seawater passing through the cable 4 enters the collection box 2 through the water inlet of the collection box 2 more efficiently, and is filtered by the multiple filter screens 7. The multi-level interception from coarse to fine makes the marine garbage collected into the collection box 2, the waterproof motor 28 drives the active pulley 29 to rotate, the active pulley 29 engages the driving pulley three 27 to rotate, so that the multiple pulleys three 27 drive the annular rope 26 to reciprocate, so that the annular rope 26 drives the two guide rods 24 to move back and forth along the middle frame 1 17 and the middle frame 2 18, so that the two guide rods 24 drive the two scrapers 1 25 to scrape the front surfaces of the two filter screens 7 back and forth, and the marine garbage intercepted on the two filter screens 7 is hung into the multiple net bags 23. When the rod 24 reaches the front end of the net bag 23, the waterproof motor 32 drives the bidirectional screw 31 to rotate, and the bidirectional screw 31 drives the two threaded sliders 30 to move relatively close, so that the multiple support rods 33 push the two guide rods 24 backward, so that the two guide rods 24 extend into the net bag 23 to compact the garbage therein, and at the same time, the two rear guide rods 34 drive the two rear scrapers 35 to scrape the rear surfaces of the two filter screens 7, and finally adjust the buoyancy of the multiple floats 6 to make the collection box 2 half-submerged in the sea. At this time, the collection box 2 can collect the garbage floating on the sea surface.

[0027] The main functions achieved by the present invention are: 1. It has the structure and function of detecting garbage under the sea surface, and can efficiently collect garbage suspended under the sea surface with fewer limitations; 2. Ability to locate the suspended garbage water layer; 3. It can clean the filter and compact the garbage in the net bag; 4. The collection box 2 can be folded for easy transportation.

[0028] A marine garbage collection ship of the present invention has an installation method, a connection method or a setting method that are all common mechanical methods, and any method that can achieve its beneficial effects can be implemented; a hull 1, a collection box 2, a reel 3, a cable 4, a sonar module 5, a buoyancy box 6, a filter screen 7, a push rod 9, a counterweight 10, a tail wing 11, a pulley 12, a pressure sensor 13, a pulley 2 14, a ranging head 15, a water pump 22, a net bag 23, a scraper 1 25, a circular rope 26, a pulley 3 27, a waterproof motor 28, an active pulley 29, a threaded slider 30, a bidirectional screw 31, a waterproof motor 2 32, and a rear scraper 35 of a marine garbage collection ship of the present invention are purchased on the market, and technicians in the industry only need to install and operate them according to the accompanying instruction manual, without the need for creative labor by technicians in this field.

[0029] The above is only a preferred embodiment of the present invention. It should be pointed out that for ordinary technicians in this technical field, several improvements and modifications can be made without departing from the technical principles of the present invention. These improvements and modifications should also be regarded as the scope of protection of the present invention.

Claims

1. A marine garbage collection ship, comprising a hull (1) and a collection box (2), wherein the collection box (2) is connected to the stern of the hull (1) via a cable; characterized in that: The invention also comprises a reel (3), a cable (4), a plurality of sonar modules (5), a plurality of buoyancy boxes (6), a plurality of filter screens (7), a rudder plate (8) and a push rod (9). The reel (3) is mounted on the hull (1). The upper end of the cable (4) is reeled on the reel (3). The plurality of sonar modules (5) are evenly mounted on the cable (4). The plurality of buoyancy boxes (6) are mounted on the collection box (2). The outer surface of the collection box (2) is covered by a film. A water inlet is arranged at one end of the collection box (2) facing the hull (1). A plurality of filter screens (7) are transversely mounted inside the collection box (2). The plurality of filter screens (7) are arranged in sequence from the inlet of the collection box (2) to the rear, and the mesh size of the plurality of filter screens (7) is gradually reduced. A rudder plate (8) is rotatably mounted on one end of the collection box (2) close to the water inlet. The rudder plate (8) is arranged vertically to the collection box (2). One end of the push rod (9) is rotatably connected to the collection box (2), and the other end of the push rod (9) is rotatably connected to the rudder plate (8).

2. A marine garbage collection ship as claimed in claim 1, characterized in that: It also includes a counterweight (10) and a tail wing (11), wherein the counterweight (10) is mounted at the lower end of the cable (4), and the tail wing (11) is mounted at the rear of the counterweight (10).

3. The marine garbage collection ship according to claim 1, characterized in that: It also includes a pulley 1 (12), a pressure sensor (13) and a pulley 2 (14), wherein the pulley 1 (12) is rotatably mounted on the hull (1), the pressure sensor (13) is mounted on the hull (1), the end of the pressure sensor (13) is rotatably mounted on the pulley 2 (14), and the pulley 1 (12) and the pulley 2 (14) rollingly support the cable (4).

4. The marine garbage collection ship according to claim 1, characterized in that: It also includes a distance measuring head (15), which is installed on the hull (1), the probe of the distance measuring head (15) is aligned with the cable (4), and the distance measuring head (15) detects the length of the released cable (4).

5. The marine garbage collection ship according to claim 1, characterized in that: The collecting box (2) comprises a front frame (16), a middle frame 1 (17), a middle frame 2 (18), a rear frame (19) and a plurality of connecting rods (20). The front frame (16), the middle frame 1 (17), the middle frame 2 (18) and the rear frame (19) are arranged in sequence from front to rear. The rudder plate (8) is rotatably mounted on the upper crossbeam of the front frame (16). The push rod (9) is rotatably connected to the front frame (16). The middle frame 1 (17) and the middle frame 2 (18) are connected to the front frame (16). ) are installed in the middle of each of the front and rear frames; the front frame (16) and the middle frame 1 (17), the middle frame 1 (17) and the middle frame 2 (18), and the middle frame 2 (18) and the rear frame (19) are connected via a plurality of connecting rods (20); the plurality of connecting rods (20) are rotatably connected to each other; and the plurality of connecting rods (20) are rotatably connected to the front frame (16), the middle frame 1 (17), the middle frame 2 (18), and the rear frame (19).

6. A marine garbage collection ship as claimed in claim 5, characterized in that: It also includes a vertical rod (21), two steering plates (8), one steering plate (8) is rotatably mounted on an upper crossbeam of a front frame (16), and the other steering plate (8) is rotatably mounted on a lower crossbeam of the front frame (16), the two steering plates (8) are parallel, and the upper end and the lower end of the vertical rod (21) are rotatably connected to the two steering plates (8) respectively.

7. The marine garbage collection ship according to claim 5, characterized in that: It also includes a water pump (22), which is installed in the middle of the rear frame (19) through a bracket.

8. The marine garbage collection ship according to claim 5, characterized in that: The invention also comprises a plurality of net bags (23), two guide rods (24), two scraper plates (25), a ring rope (26), a plurality of pulley plates (27), a waterproof motor (28) and an active pulley (29), wherein the plurality of net bags (23) are respectively mounted on the first middle frame (17) and the second middle frame (18), the plurality of net bags (23) are respectively located on the left and right sides of the two filter screens (7), the two guide rods (24) are respectively vertically slidably mounted on the front sides of the first middle frame (17) and the second middle frame (18), the scraper plates (25) are respectively mounted on the rear side walls of the two guide rods (24), and the two scraper plates (25) are respectively mounted on the rear side walls of the two guide rods (24). 5) scraping the front surfaces of the two filter screens (7) respectively, the annular rope (26) connecting the two guide rods (24), a plurality of pulleys (27) respectively rotatably mounted on the middle frame (17) and the middle frame (18), the plurality of pulleys (27) rollingly guide the annular rope (26), the waterproof motor (28) mounted on the middle frame (17), the output shaft of the waterproof motor (28) coaxially mounted with an active pulley (29), the active pulley (29) cooperates with the pulley (27) to clamp the annular rope (26), and the active pulley (29) and the pulley (27) are meshed through a gear pair.

9. A marine garbage collection ship as claimed in claim 8, characterized in that: It also includes four threaded sliders (30), two bidirectional screw rods (31), two waterproof motors (32) and a plurality of support rods (33). The two scraper plates (25) are respectively located at the rear sides of the two guide rods (24). The two threaded sliders (30) are relatively slidably mounted on the two guide rods (24). The two bidirectional screw rods (31) are rotatably mounted on the two guide rods (24). The forward and reverse threads of the two bidirectional screw rods (31) are respectively threadedly connected to the four threaded sliders (30). The front ends of the plurality of support rods (33) are respectively rotatably connected to the two threaded sliders (30). The rear ends of the plurality of support rods (33) are respectively rotatably connected to the middle parts of the two scraper plates (25).

10. The marine garbage collection ship according to claim 9, characterized in that: It also comprises two rear guide rods (34), two rear scrapers (35) and a plurality of arm rods (36). The two rear guide rods (34) are respectively located at the rear sides of the first middle frame (17) and the second middle frame (18). The front end surfaces of the two rear guide rods (34) are both equipped with rear scrapers (35). The two rear scrapers (35) scrape the rear surfaces of the two filter screens (7). The front ends of the plurality of arm rods (36) are respectively rotatably connected to the upper and lower ends of the two guide rods (24), and the rear ends of the plurality of arm rods (36) are respectively rotatably connected to the upper and lower ends of the two rear guide rods (34).

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