A water area sanitation operation salvage device

Abstract

The present invention provides a salvage device for water area sanitation operations, which relates to the technical field of sanitation operations. It includes a hull, an air cushion arranged at the bottom of the hull, and a salvage net for cleaning garbage on the water surface. A driving part is arranged at the rear of the hull to drive the device to travel on the water surface. The head of the hull has a notch for installing the salvage net. There are at least two storage box assemblies arranged inside the hull, and each storage box assembly stores a salvage net. This salvage device for water area sanitation operations can enable the hull to continuously salvage on the water surface, and at the same time efficiently transport the collected garbage to the shore for treatment. It does not require a large number of hulls to be put into use, improves the garbage salvage efficiency while reducing the number of hulls put into use, correspondingly reduces the salvage cost, and avoids the input of a large number of salvage boats on the lake, maintaining the beauty of the city.

Description

Technical Field

[0001] The present invention relates to the technical field of environmental sanitation operations, and particularly to a salvage device for water area environmental sanitation operations. Background Art

[0002] With the development of society and the increase in population, the floating objects on the water surfaces of lakes and rivers in cities are increasing currently, causing pollution to the environment and bringing negative impacts to water resources, living environment, ecological environment, etc.

[0003] A Chinese patent with the publication number CN215948126U discloses a water area garbage salvage device, including a small hull and a salvage mechanism mounted at the front end of the hull. The salvage mechanism includes: a frame fixedly connected to the front end of the hull; a garbage storage cage mounted on the frame, and the garbage storage cage can be lifted out of the frame; a garbage collection shovel hinged on the frame, the garbage collection shovel is located outside the hull, and the opening of the garbage collection shovel faces directly in front of the hull; wherein, the garbage collection shovel can swing around the hinge point, and when the garbage collection shovel is pulled to swing above the garbage storage cage, the garbage drops from the garbage collection shovel into the garbage storage cage.

[0004] The above device is provided with a collection shovel, and the garbage is collected into the hull through the movement of the hull and the thrust of the water flow. However, for such a method, the amount of garbage collected during a single water surface travel is limited. If the garbage collection is full, it is necessary to go ashore to manually remove the garbage in the collection net. When facing a large water area, a large number of hulls need to be invested for joint collection, which affects the urban beauty and at the same time the cost of cleaning is too high. Summary of the Invention

[0005] The purpose of the present invention is to make up for the deficiencies of the above technologies and propose a salvage device for water area environmental sanitation operations, which solves the problems that the garbage is collected into the hull through the movement of the hull and the thrust of the water flow. However, for such a method, the amount of garbage collected during a single water surface travel is limited. If the garbage collection is full, it is necessary to go ashore to manually remove the garbage in the collection net. When facing a large water area, a large number of hulls need to be invested for joint collection, which affects the urban beauty and at the same time the cost of cleaning is too high.

[0006] To solve the above technical problems, the present invention provides the following technical solution: A water sanitation operation salvage device, including a hull, an air cushion provided at the bottom of the hull, and a salvage net for cleaning water surface garbage. A driving part is provided at the tail of the hull to drive the device to travel on the water surface. The head of the hull has a notch for installing the salvage net. Inside the hull, there are provided no less than two storage box assemblies, and each storage box assembly stores a salvage net. Slide rail mechanisms are installed on the inner walls on both sides of the hull. The slide rail mechanisms include four bent tracks. The four bent tracks are symmetrically arranged in pairs on the inner walls on both sides of the hull, and the bent tracks on the same side are symmetrically arranged with respect to the transverse center line of the hull. Each bent track is installed with a claw mechanism. When the four claw mechanisms are located at the tail ends of the bent tracks, they correspond to the four vertices of the storage box assembly to fix the four corners of the salvage net in the storage box assembly. Each slide rail mechanism drives the corresponding claw mechanism to move from the tail end of the bent track to the top end, opening the salvage net to the notch. The driving part drives the device to travel on the water surface, and under the push of the water flow, the garbage on the water surface is collected into the salvage net;

[0007] A replacement mechanism is further provided inside the hull to replace the storage box assembly after the salvage net is taken out;

[0008] It further includes: a collection mechanism provided on the shore, which is docked with the four claw mechanisms on the hull to take out the salvage net that has completed collection from the hull.

[0009] Preferably, a camera is installed on the hull. A number of leakage holes are provided on the bottom wall of the hull directly below the notch. An arc-shaped belt guide rail is installed inside the bent track, and the arc-shaped belt guide rail fits with the bent track to form an arc-shaped movement path.

[0010] Preferably, the claw mechanism includes a support and a pair of semi-circular rings. The support is symmetrically rotated through two rotating shafts with respect to its own vertical center line. A semi-circular ring is fixed on the shaft bodies of the two rotating shafts. A motor is also installed on the support and is arranged between the two rotating shafts. One of the rotating shafts and the output shaft of the motor are both fixedly connected with gears, and a transmission belt is connected between the other rotating shaft and the output shaft of the motor. The two gears mesh with each other. The motor drives the output shaft to rotate to control the opening and closing of the two semi-circular rings.

[0011] Preferably, the replacement mechanism includes a storage table. The storage table is slidably installed inside the hull. An electric slide rail is installed inside the hull, and the electric slide rail drives the storage table to move inside the hull. A linear module is provided on the storage table. The guide block of the linear module is fixedly connected with a push plate. A second electric door is installed at the end of the storage table close to the bent track.

[0012] Preferably, a baffle is fixedly connected to the inner wall of the hull. A guiding slide rail is fixedly connected to the side of the baffle away from the bending track. The top end of the guiding slide rail is arranged directly below the second electric door, and its tail end is integrally provided with a sliding table. A collecting groove is provided at the bottom of the hull, and the collecting groove is located below the sliding table.

[0013] The replacement mechanism further includes a Z-axis driving unit. A limiting plate is fixedly connected to the guiding seat of the Z-axis driving unit. The limiting plate is in the shape of a long plate, and its bottom end is provided with a sharp part, which is arranged in a triangular prism shape.

[0014] Preferably, the storage box assembly includes a box body. Fishing nets are stacked inside the box body. Two clamping plates are fixed to the outside of the box body, and the two clamping plates are respectively fixed on the upper and lower sides of the box body. Two magnetic card slots are provided on the clamping plates. Front-end pull ropes are connected to the four corners of the front part of the fishing net, and a snap ring is fixed to the front-end pull rope. A tail-end pull rope is connected to the tail of the fishing net, and a snap ring is fixed to the tail-end pull rope. A groove is provided inside each box body, and a buckle is fixed in the groove. The buckle has a card slot smaller than the snap ring, and the snap ring located on the tail-end pull rope is matched with the buckle to be clamped tightly. Chamfered parts are provided on both sides of the upper part of the box body.

[0015] Preferably, the collecting mechanism includes a platform fixed on the shore. An electric sliding table is installed on the platform. A bracket is fixedly connected to the guiding seat of the electric sliding table. The electric sliding table drives the bracket to move and dock with the hull approaching the shore. Four claw mechanisms are installed on the bracket and are matched with and clamped tightly to the four snap rings at the front end of the fishing net.

[0016] Preferably, the driving part includes an electric fan and an electric propeller. The electric fan is installed on the upper part of the tail seat of the hull, and the electric propeller is installed on the lower part of the tail seat of the hull.

[0017] Preferably, a first electric door is further installed above the storage table on the hull.

[0018] Compared with the prior art, the water area sanitation operation fishing device has the following beneficial effects:

[0019] 1. After the garbage is fully collected, the vessel sails to the shore bracket. The electric slide table drives the bracket to approach the shore. The four claw mechanisms on the bracket correspond to the four claw mechanisms on the bending track of the hull. With the assistance of the staff for docking, the claw mechanism on the hull releases, and the claw mechanism on the bracket closes, completing the packaging and collection of the garbage on the hull. The hull turns around and continues to open the next fishing net through the replacement mechanism, enabling the hull to continuously salvage on the water surface. At the same time, the collected garbage is efficiently transported to the shore for treatment, eliminating the need for a large number of hulls, improving the garbage salvage efficiency while reducing the number of hulls invested, correspondingly reducing the salvage cost, and avoiding the input of a large number of fishing boats on the lake, maintaining the beauty of the city.

[0020] 2. When the claw mechanism moves to the outermost part of the bending track, in cooperation with the end pull rope provided by the box body itself, the fishing net is fully opened by the forces at both the front and the rear. During the salvage process, it has a certain amount of tension and will not deform significantly when contacting the water flow, ensuring the efficiency and quality of garbage salvage. When the fishing net is in a fully opened state, the geometric center point at the front end is higher than the geometric center point at the rear end. Therefore, the tail of the fishing net extends downward to form a groove. Under the impact of the water flow, the garbage is stored in the groove, completing the collection of the garbage and avoiding the technical problem of the garbage returning to the water area due to the action of the water flow after collection. The provided leakage holes timely drain the water flow, and the provided baffle is used to block the garbage flowing in through the gap between the fishing net and the hull casing.

[0021] Other advantages, objectives, and features of the present invention will be elaborated to some extent in the subsequent specification, and to some extent, will be obvious to those skilled in the art based on the study of the following text, or can be taught from the practice of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 is a schematic diagram of the overall structure of the present invention;

[0023] Figure 2 is of the present invention Figure 1 is an enlarged partial structural schematic diagram of part A in the present invention;

[0024] Figure 3 is a schematic diagram of the structure of the driving part of the present invention;

[0025] Figure 4 is a schematic diagram of the structure of the replacement mechanism of the present invention;

[0026] Figure 5 is of the present invention Figure 4 is an enlarged partial structural schematic diagram of part B in the present invention;

[0027] Figure 6Diagram of the box body and groove of the present invention;

[0028] Figure 7 Schematic diagram of the bending track and arc-shaped belt guide rail structure of the present invention;

[0029] Figure 8 Schematic diagram of the claw mechanism of the present invention;

[0030] Figure 9 Schematic diagram of the guide rail and collection tank of the present invention;

[0031] Figure 10 For the present invention Figure 9 Schematic diagram of the structure at position C in;

[0032] Figure 11 Schematic diagram of the storage table and linear module of the present invention;

[0033] Figure 12 Schematic diagram of the storage table and push plate of the present invention;

[0034] Figure 13 Schematic diagram of the fishing net stacked in the box body of the present invention;

[0035] Figure 14 Distribution diagram of the positions of the hull and the collection mechanism when the hull is about to dock in the present invention;

[0036] Figure 15 Schematic diagram of the collection mechanism of the present invention.

[0037] In the figure:

[0038] 1. Hull; 101. First electric door; 102. Notch; 103. Leak hole; 104. Air cushion; 105. Baffle; 2. Driving part; 201. Electric fan; 202. Electric propeller; 3. Replacement mechanism; 301. Z-axis driving unit; 302. Storage table; 303. Guide rail; 304. Collection tank; 305. Slide table; 306. Limiting plate; 307. Sharp part; 308. Linear module; 309. Second electric door; 310. Push plate; 4. Camera; 5. Slide rail mechanism; 501. Bending track; 502. Arc-shaped belt guide rail; 6. Claw mechanism; 601. Support; 602. Semi-circular body; 603. Rotating shaft; 604. Gear; 605. Motor; 606. Transmission belt; 7. Storage box assembly; 701. Box body; 702. Groove; 703. Tail end pull rope; 704. Snap ring; 705. Snap fastener; 706. Front end pull rope; 707. Chamfered part; 708. Clamping plate; 710. Magnetic card slot; 8. Collection mechanism; 801. Bracket; 802. Platform; 803. Electric slide table; 9. Fishing net. Detailed implementation manners

[0039] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to 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 the embodiments. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present invention without creative efforts shall fall within the protection scope of the present invention.

[0040] Please refer to Figures 1 to 15 , the present invention provides the following implementation scheme: A water area sanitation operation salvage device, including a hull 1, an air cushion 104 arranged at the bottom of the hull 1, and a salvage net 9 for cleaning garbage on the water surface. A driving part 2 is arranged at the tail of the hull 1 to drive the device to travel on the water surface. A notch 102 is provided at the head of the hull 1 for installing the salvage net 9. Inside the hull 1, there are at least two storage box assemblies 7, and each storage box assembly 7 stores a salvage net 9. Slide rail mechanisms 5 are installed on the inner walls on both sides of the hull 1. The slide rail mechanisms 5 include four bent tracks 501. The four bent tracks 501 are symmetrically arranged in pairs on the inner walls on both sides of the hull 1, and the bent tracks 501 on the same side are symmetrically arranged with respect to the transverse center line of the hull 1. Each bent track 501 is installed with a claw mechanism 6. When the four claw mechanisms 6 are located at the tail ends of the bent tracks 501, they correspond to the four vertices of the storage box assembly 7 to fix the four corners of the salvage net 9 in the storage box assembly 7. Each slide rail mechanism 5 drives the corresponding claw mechanism 6 to move from the tail end to the top end of the bent track 501 to open the salvage net 9 to the notch 102. The driving part 2 drives the device to travel on the water surface, and under the push of the water flow, the garbage on the water surface is collected into the salvage net 9; A replacement mechanism 3 is also arranged inside the hull 1 to replace the storage box assembly 7 after the salvage net 9 is taken out; It also includes: A collection mechanism 8 arranged on the shore, which is docked with the four claw mechanisms 6 on the hull 1 to take out the salvage net 9 that has completed collection from the hull 1.

[0041] In this embodiment, a camera 4 is installed on the hull 1, which can photograph the blind area blocked by the salvage net 9. Multiple cameras 4 can also be installed. Cooperating with the PLC electric control program, the hull 1 is automatically processed for unmanned salvage operations. A plurality of leakage holes 103 are opened on the bottom wall of the hull 1 directly below the notch 102. An arc-shaped belt guide rail 502 is installed inside the bent track 501. The arc-shaped belt guide rail 502 fits with the bent track 501 to form an arc-shaped movement path. The arranged arc-shaped belt guide rail 502 is used to drive the claw mechanism 6 to move to complete the subsequent opening and replacement operations of the salvage net 9.

[0042] In this embodiment, the jaw mechanism 6 includes a support 601 and a pair of semi-circular rings 602. The support 601 is symmetrically connected with two rotating shafts 603 around its vertical center line. A semi-circular ring 602 is fixed on the shaft body of each of the two rotating shafts 603. A motor 605 is also installed on the support 601 and is arranged between the two rotating shafts 603. A gear 604 is fixedly connected to one of the rotating shafts 603 and the output shaft of the motor 605, and a transmission belt 606 is connected between the other rotating shaft 603 and the output shaft of the motor 605. The two gears 604 are meshed with each other. The motor 605 drives the output shaft to rotate, controls the opening and closing of the two semi-circular rings 602, and by driving the motor 605, the two semi-circular rings 602 are rotated to lock or loosen the snap ring 704, so as to fix and disassemble the fishing net 9.

[0043] In this embodiment, the replacement mechanism 3 includes a storage table 302. The storage table 302 is slidably installed inside the hull 1. An electric slide rail is installed inside the hull 1, and the electric slide rail drives the storage table 302 to move inside the hull 1. A linear module 308 is arranged on the storage table 302. A push plate 310 is fixedly connected to the guiding block of the linear module 308. A second electric door 309 is installed at the end of the storage table 302 close to the bending track 501. On the second electric door 309, in order to enable the box body 701 to be stably placed on the storage table 302 when the hull is moving, partitions are arranged on both sides of the storage table 302, and the front and rear ends are respectively fixed by a limiting plate 306 and the push plate 310. And for the box body 701 from which the fishing net near the bow inside the hull is taken out, as Figure 9 shown, the tension of the fishing net 9 is converted into a forward traction force, and the baffle 105 has a blocking property, so that the box body 701 being used can also be stably fixed directly above the second electric door 309.

[0044] In this embodiment, in order to facilitate the replacement of the box body 701, a baffle 105 is also fixedly connected to the inner wall of the hull 1. A guiding slide rail 303 is fixedly connected to the side of the baffle 105 away from the bending track 501. The top end of the guiding slide rail 303 is arranged directly below the second electric door 309, and its tail end is integrally provided with a sliding table 305. A collecting groove 304 is provided at the bottom of the hull 1, and the collecting groove 304 is located below the sliding table 305. The second electric door 309 rotates downward by 90 degrees, so that the box body 701 falls onto the guiding slide rail 303 and slides into the collecting groove 304. An activity door can be arranged on the hull 1 close to the collecting groove 304 for taking out the used box body 701;

[0045] The replacement mechanism 3 further includes a Z-axis driving unit 301. A limiting plate 306 is fixedly connected to the guiding seat of the Z-axis driving unit 301. The limiting plate 306 is in the shape of a long plate, and its bottom end is provided with a sharp portion 307, which is arranged in a triangular prism shape. The Z-axis driving unit 301 is specifically arranged as a driving component that moves along the Z-axis of the hull 1 and can be a device such as an electric slide rail, Figure 10As can be seen from the enlarged view in the figure, the sharp portion 307 is conical, and the two side edges of the upper part of the box body 701 are provided with chamfered portions 707. When the limit plate 306 slides downward, the provided chamfered portions 707 and the sharp portion 307 cooperate with each other to facilitate the limit plate 306 to be inserted into the gap between the two box bodies 701. After the box body 701 is recovered, the push plate 310 moves horizontally to push the unused box body 701 onto the second electric door 309, and the claw mechanism 6 re-grasps the internal salvage net 9. The storage box assembly 7 includes a box body 701, and the salvage net 9 is stacked inside the box body 701. Two card plates 708 are fixed to the outside of the box body 701, and the two card plates 708 are respectively fixed to the upper and lower parts of the box body 701. On the lower two sides, two magnetic card slots 710 are provided on the card plate 708. The four corners of the front of the salvage net 9 are connected with front-end pull ropes 706, and the front-end pull ropes 706 are fixed with snap rings 704. The tail of the salvage net 9 is connected with a tail end pull rope 703, and the tail end pull rope 703 is fixed with a snap ring 704. A groove 702 is provided inside each box body 701, and a buckle 705 is fixed in the groove 702. The buckle 705 has a card gap smaller than the buckle 704. The snap ring 704 located at the tail end pull rope 703 is clamped with the buckle 705. In order to facilitate the claw mechanism 6 to grab the salvage net 9 located on the second electric door 309, when the salvage net 9 is loaded into the box body, the four snap rings 704 are placed correspondingly on the magnetic card On the groove 710, the material near the magnetic slot 710 is magnet, and the material of the clamping ring 704 is a metal material that attracts the magnet, so it is easy to locate and facilitate the docking of the claw mechanism 6, and the buckle 705 is made of POM material, which is a high-performance engineering plastic, with the characteristics of withstanding repeated deformation and high fatigue resistance. When removing the salvage net 9 after collecting garbage, when collecting, the staff can directly separate the clamping ring 704 and the buckle 705 at the rear by pulling. Due to the high fatigue resistance of the buckle 705, the salvage net 9 can be fixed next time, which is convenient for use. The collection mechanism 8 includes a platform 802 fixed to the shore, and the platform 802 is equipped with An electric slide 803 is fixedly connected to a bracket 801 on the guide seat of the electric slide 803. The electric slide 803 drives the bracket 801 to move and dock with the docked hull 1. Four claw mechanisms 6 are installed on the bracket 801, which cooperate with the four clamping rings 704 at the front end of the salvage net 9 to clamp. When the hull 1 docks, the four claw mechanisms 6 dock with the four clamping rings 704 located at the front of the hull 1. Due to the instability of the water flow, the staff can control the electric slide 803 to adjust the position of the bracket 801 according to the real-time situation to facilitate better docking. After separating the clamping ring 704 at the tail of the salvage net 9 from the buckle 705, the staff seals the salvage net 9 and transports it to the garbage disposal center.

[0046] In this embodiment, the driving part 2 includes an electric fan 201 and an electric propeller 202. The electric fan 201 is installed on the upper part of the stern seat of the hull 1, and the electric propeller 202 is installed on the lower part of the stern seat of the hull 1.

[0047] In this embodiment, a first electric door 101 is further installed above the storage table 302 on the hull 1.

[0048] Working principle: When the hull 1 is put into the water area, when the electric fan 201 is propelling, part of the air flow will be guided to the air cushion area under the ship bottom to assist in maintaining the air cushion pressure. The electric fan 201 is equipped with a rudder. By adjusting the rudder surface angle, the air flow direction is changed to achieve course control. By rotating at high speed to generate a backward air flow, the hull is pushed forward by the reaction force. The electric propeller 202 can adopt a pod-type electric propeller, with a coaxial design of the drive motor and the propeller and a 360° horizontal rotation mechanism, supporting steering without a rudder. The combination of the two enables the hull 1 to be flexibly controlled on the water surface.

[0049] First, a plurality of boxes 701 with fishing nets 9 inside are placed on the storage table 302. The first electric door 101 is closed to keep the outside of the hull 1 sealed. The position of several boxes 701 under the Z-axis drive unit 301 is adjusted by moving the storage table 302. It is necessary to adjust one of the boxes 701 to be on the side of the limiting plate 306 close to the bow, and the remaining boxes 701 are on the other side of the limiting plate 306. The fishing net 9 is opened in cooperation with the slide rail mechanism 5 and the claw mechanism 6. The remaining boxes 701 are fixed by the limiting plate 306 and the push plate 310. At this time, the used box 701 is located on the second electric door 309. After the collection mechanism 8 takes out the fishing net 9, the second electric door 309 rotates downward by ninety degrees, causing the box 701 to fall onto the guiding slide rail 303, and the box 701 slides into the collection tank 304. The hull 1 travels on the water surface, collecting the floating garbage on the water surface into the fishing net 9. After being filled, it travels to the shore bracket 801. The electric sliding table 803 drives the bracket 801 to approach the shore. The four claw mechanisms 6 provided on the bracket 801 correspond to the four claw mechanisms 6 provided on the bending track 501 of the hull 1. The staff assists in docking. At this time, the claw mechanism 6 on the hull 1 is loosened, and the claw mechanism on the bracket 801 is closed to complete the packing and collection of the garbage on the hull 1. The hull 1 turns around and continues to open the next fishing net 9 through the replacement mechanism 3, enabling the hull 1 to continuously salvage on the water surface, while efficiently transporting the collected garbage to the shore for treatment. Without the need to put in a large number of hulls, the garbage salvage efficiency is improved, the number of hulls 1 put in is reduced, the salvage cost is correspondingly reduced, and the input of a large number of salvage boats on the lake is avoided, maintaining the beauty of the city.

[0050] And as Figure 3 and Figure 4As shown, the position and shape of the bent track 501 are symmetrically arranged, which enlarges the opening of the fishing net 9. When the claw mechanism 6 moves to the outermost part of the bent track 501, in cooperation with the end pull rope 703 provided on the box body 701 itself, the fishing net 9 is fully opened by the acting forces at both the front and rear ends. During the fishing process, it has a certain tension and will not undergo large deformations when contacting the water flow, ensuring the efficiency and quality of garbage fishing. Moreover, when the fishing net 9 is in a fully opened state, the geometric center point at the front end is higher than that at the rear end. Therefore, the tail of the fishing net 9 extends downward to form a groove, and under the impact of the water flow, the garbage is stored in the groove, completing the collection of the garbage and avoiding the technical problem that the garbage returns to the water area due to the acting force of the water flow after collection. The provided leakage holes 103 timely discharge the water flow, and the provided baffle 105 is used to block the garbage flowing in from the gap between the fishing net 9 and the hull 1 housing.

[0051] For those skilled in the art, it is obvious that the present invention is not limited to the details of the above exemplary embodiments, and the present invention can be implemented in other specific forms without departing from the spirit or basic characteristics of the present invention. Therefore, from any point of view, the embodiments should be regarded as exemplary and non-restrictive. The scope of the present invention is defined by the appended claims rather than the above description. Therefore, it is intended to embrace all changes falling within the meaning and scope of the equivalent elements of the claims in the present invention.

Claims

1. A water sanitation operation salvage device, comprising a hull, an air cushion provided at the bottom of the hull, and a salvage net for cleaning garbage on the water surface, characterized in that: A drive unit is provided at the tail of the hull to drive the device to travel on the water surface. A notch is provided at the head of the hull for the installation of a fishing net. There are at least two storage box assemblies arranged inside the hull, and each storage box assembly stores a fishing net. Slide rail mechanisms are installed on the inner walls on both sides of the hull. The slide rail mechanisms include four bent tracks, and the four bent tracks are symmetrically arranged in pairs on the inner walls on both sides of the hull, and the bent tracks on the same side are symmetrically arranged with respect to the transverse center line of the hull. A claw mechanism is installed in each bent track. When the four claw mechanisms are located at the tail ends of the bent tracks, they correspond to the four vertices of the storage box assembly to fix the four corners of the fishing net in the storage box assembly. Each slide rail mechanism drives the corresponding claw mechanism to move from the tail end of the bent track to the top end, opening the fishing net to the notch. The drive unit drives the device to travel on the water surface, and under the push of the water flow, the garbage on the water surface is collected into the fishing net; A replacement mechanism is further arranged inside the hull to replace the storage box assembly after the fishing net is taken out; It further includes: a collection mechanism arranged on the shore, which is docked with the four claw mechanisms on the hull to take out the fishing net after collection from the hull.

2. The water area sanitation operation salvage device according to claim 1, characterized in that: A camera is installed on the hull. A plurality of leakage holes are formed in the bottom wall of the hull directly below the notch. An arc-shaped belt guide rail is installed inside the bent track, and the arc-shaped belt guide rail fits with the bent track to form an arc-shaped movement path.

3. The water area sanitation operation salvage device according to claim 2, wherein: The claw mechanism includes a support and a pair of semi-circular ring bodies. Two rotating shafts are symmetrically connected to the support around its vertical center line. A semi-circular ring body is fixed on the shaft body of each of the two rotating shafts. A motor is also installed on the support and is arranged between the two rotating shafts. A gear is fixed to one of the rotating shafts and the output shaft of the motor, and a transmission belt is connected between the other rotating shaft and the output shaft of the motor. The two gears mesh with each other, and the motor drives the output shaft to rotate to control the opening and closing of the two semi-circular ring bodies.

4. The water area sanitation operation salvage device according to claim 1, characterized in that: The replacement mechanism includes a storage table, which is slidably installed inside the hull. An electric slide rail is installed inside the hull, and the electric slide rail drives the storage table to move inside the hull. A linear module is arranged on the storage table, and a push plate is fixedly connected to the guiding block of the linear module. A second electric door is installed at the end of the storage table close to the bent track.

5. The water area sanitation operation salvage device according to claim 4, characterized in that: A baffle is further fixedly connected to the inner wall of the hull. A guiding slide rail is fixedly connected to the side of the baffle away from the bent track. The top end of the guiding slide rail is arranged directly below the second electric door, and its tail end is integrally provided with a sliding table. A collection groove is provided at the bottom of the hull, and the collection groove is located below the sliding table; The replacement mechanism further includes a Z-axis driving unit. A limiting plate is fixedly connected to the guiding seat of the Z-axis driving unit. The limiting plate is in the shape of a long plate, and its bottom end is provided with a sharp part and is arranged in a triangular prism shape.

6. The water area sanitation operation salvage device according to claim 5, characterized in that: The storage box assembly includes a box body, a fishing net is stacked inside the box body, two clamping plates are fixed outside the box body, the two clamping plates are respectively fixed on the upper and lower sides of the box body, two magnetic card slots are formed in the clamping plates, the four corners of the front part of the fishing net are connected with front-end pulling ropes, a snap ring is fixed on the front-end pulling ropes, the tail part of the fishing net is connected with a tail-end pulling rope, a snap ring is fixed on the tail-end pulling rope, a groove is formed in each box body, a buckle is fixed in the groove, the buckle has a card slot smaller than the snap ring, and the snap ring located on the tail-end pulling rope is clamped with the buckle, and chamfered parts are formed on the two side edges of the upper part of the box body.

7. The water area sanitation operation salvage device according to claim 6, characterized in that: The collection mechanism includes a platform fixed on the shore, an electric sliding table is installed on the platform, a bracket is fixedly connected to the guiding seat of the electric sliding table, the electric sliding table drives the bracket to move and dock with the ship approaching the shore, and four claw mechanisms are installed on the bracket and are clamped with the four snap rings at the front end of the fishing net.

8. The water area sanitation operation salvage device according to claim 1, characterized in that: The driving part includes an electric fan and an electric propeller, the electric fan is installed on the upper part of the tail seat of the ship, and the electric propeller is installed on the lower part of the tail seat of the ship.

9. The water area sanitation operation salvage device according to claim 4, characterized in that: A first electric door is further installed on the ship above the storage table.

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