Rotary fishing mechanical arm for ocean fishing vessel

Abstract

The utility model relates to the technical field of fishing mechanical arms, and provides a rotary fishing mechanical arm for an ocean fishing vessel, which comprises a rotary seat, a fishing mechanism and a monitoring mechanism. By arranging the motor and the connecting shaft, the motor works to drive the connecting shaft to rotate, the direction of the clamping jaw can be changed, and in a complex working environment, the device can adapt to the working requirements in different directions, flexibly adjust the fishing angle and avoid the efficiency loss caused by single-direction grabbing; the movement stroke of the mechanical arm can be increased, so that the mechanical arm can cover a wider working range, and a fishing net can be clamped more conveniently; the two sets of cameras are arranged to monitor the states of the clamping claw and the fishing net, a view blind area is avoided, an operator can observe the fishing state conveniently, the risk of misoperation is reduced, the rotary motor and the scraper are arranged, the rotary motor works to drive the scraper to swing, and water stains on the surfaces of the cameras are cleaned.

Description

Technical Field

[0001] This utility model relates to the field of fishing robotic arm technology, specifically a rotary fishing robotic arm for ocean-going fishing vessels. Background Technology

[0002] The rotary fishing arm for deep-sea fishing vessels is a highly efficient and intelligent automated fishing device specifically designed for deep-sea fishing. It integrates advanced mechanical, electronic, and control technologies, simulating manual fishing actions through rotational motion to precisely grasp and lift catches. This robotic arm is typically mounted on the deck or side of the fishing vessel. Its key advantages are: firstly, it significantly improves fishing efficiency and reduces labor costs; secondly, it reduces damage to catches and improves resource utilization through precise control; and thirdly, it is highly adaptable, operating stably in harsh weather and deep-sea environments. The emergence of the rotary fishing arm marks a significant step forward for deep-sea fishing towards automation and intelligence, providing crucial technological support for improving fishing efficiency, ensuring fishermen's safety, and promoting the sustainable development of fisheries.

[0003] According to Chinese Invention Publication No. CN114734455A, a four-degree-of-freedom robotic arm for seafood harvesting is disclosed. 1. The four-degree-of-freedom robotic arm for seafood harvesting employs servo control for its waist, shoulder, elbow, and hand / finger opening and closing drive joints. Precise position control of the robotic arm's end effector is achieved based on motor encoder feedback, making it suitable for precise seafood harvesting. 2. The four-degree-of-freedom robotic arm for seafood harvesting uses a rear-mounted rotary drive joint design, placing the waist, shoulder, elbow, and hand / finger opening and closing drive joints at the end effector. This significantly reduces the design difficulty for waterproofing and facilitates unified joint maintenance. Therefore, the underwater robotic arm disclosed in this invention, compared to traditional underwater robotic arms, features a compact structure, modular joints, lightweight design, and excellent waterproofing. Simultaneously, it offers a larger workspace, is easy to operate, and is suitable for replacing manual labor in aquaculture seafood harvesting operations. 3. The underwater fishing robotic arm of this invention employs two sets of parallelogram auxiliary rods, ensuring that the end joint maintains a fixed angle with the base throughout its movement. This simplifies the control algorithm of the underwater fishing robotic arm, enhances the stability and operability of the fishing process, and makes the entire fishing operation more reliable and intuitive, providing a reliable platform foundation for automated fishing operations. 4. The underwater fishing robotic arm of this invention is constructed using corrosion-resistant and pressure-resistant materials, providing a stable and reliable structural foundation for underwater fishing tasks. Compared to traditional underwater robotic arms, the robotic arm of this invention combines lower design costs with higher reliability requirements.

[0004] However, there are some issues to consider when implementing the above technical solutions: First, during fishing, the claws and fingers cannot be adjusted in a flexible manner, which can cause abrasions or crushing injuries to the catch during the grabbing process. At the same time, they may also snag or wear down the fishing net, leading to damage to the fishing gear and the escape of the catch. Second, due to the limitations of the claw structure, there are certain blind spots, making it difficult for operators to observe the relative position and state of the claws and fingers with the fishing net in real time. This affects the fishing efficiency, increases the risk of misoperation, and further aggravates the damage to the catch and the fishing net. Utility Model Content

[0005] The purpose of this invention is to provide a rotary fishing robotic arm for ocean-going fishing vessels to solve the problems mentioned in the background art.

[0006] To achieve the above objectives, this utility model provides the following technical solution: a rotary fishing robotic arm for ocean-going fishing vessels, comprising a rotating base, a fishing mechanism, and a monitoring mechanism. A rotating disk is rotatably connected to the top of the rotating base, a controller is fixedly connected to the top right side of the rotating disk, a swing arm is hinged to the top center of the rotating disk, a fishing mechanism is hinged to the left end of the swing arm, and a monitoring mechanism is fixedly connected to both sides of the fishing mechanism.

[0007] Preferably, the fishing mechanism includes a swing plate, a first hydraulic cylinder, a connecting plate, a motor, a connecting shaft, a second hydraulic cylinder, and a clamping claw. The swing plate is hinged to the left end of the swing arm, and the first hydraulic cylinder is fixedly connected to both sides of the swing plate. The connecting plate is fixedly connected to the bottom end of the first hydraulic cylinder.

[0008] Preferably, a motor is fixedly connected to the top center of the connecting plate, and a connecting shaft is fixedly connected to the output shaft of the motor.

[0009] Preferably, the outer side of the connecting shaft is hinged to one end of the second hydraulic cylinder, the other end of the second hydraulic cylinder is hinged to the clamping claw, and the clamping claw is hinged to the connecting shaft.

[0010] Preferably, the monitoring mechanism includes a mounting base, a camera, a rotary motor, a scraper, and a protective cover. The mounting base is fixedly connected to both sides of the connecting plate and is arranged at an angle. A camera is fixedly connected inside the mounting base, and the direction of the camera corresponds to that of the clamping claw. Two sets of cameras are provided, and the cameras are electrically connected to the controller.

[0011] Preferably, a rotary motor is fixedly connected to the inner side of the mounting base, and a scraper is fixedly connected to the output shaft of the rotary motor, with the scraper corresponding to the position of the camera.

[0012] Preferably, a protective cover is fixedly connected to the outside of the mounting base. The protective cover is made of steel bars, and the holes in the protective cover correspond to the positions of the camera.

[0013] Compared with the prior art, the beneficial effects of this utility model are:

[0014] This utility model, by setting up a motor and a connecting shaft, allows the motor to drive the connecting shaft to rotate, which can change the direction of the gripping claw. In complex working environments, it can adapt to the working needs of different directions, flexibly adjust the angle of grabbing the catch, and avoid the efficiency loss caused by grabbing in a single direction. By setting up a first hydraulic cylinder, the extension and retraction of the first hydraulic cylinder can increase the movement stroke of the robotic arm, enabling it to cover a wider working range and more conveniently grab the fishing net.

[0015] This invention features two sets of cameras that monitor the gripper and fishing net, eliminating blind spots and facilitating operator observation of the fishing process, thus reducing the risk of misoperation. A rotating motor and scraper are also included; the motor drives the scraper to clean water from the camera surface, preventing water splashes from affecting monitoring. A protective cover provides a robust barrier, effectively resisting impacts from larger splashes and preventing direct damage to the camera surface, ensuring stable and reliable operation even in harsh environments. Attached Figure Description

[0016] Figure 1 This is a schematic diagram of the appearance structure of this utility model.

[0017] Figure 2 For the present utility model Figure 1 Enlarged view at point A.

[0018] Figure 3 This is a schematic diagram showing the connection plate, motor, connecting shaft, second oil cylinder, and clamping claw of this utility model.

[0019] Figure 4 This is a schematic diagram of the monitoring mechanism structure of this utility model.

[0020] In the diagram: 1. Rotating seat; 2. Rotating disk; 3. Controller; 4. Swing arm; 5. Fishing mechanism; 501. Swing plate; 502. First hydraulic cylinder; 503. Connecting plate; 504. Motor; 505. Connecting shaft; 506. Second hydraulic cylinder; 507. Clamping claw; 6. Monitoring mechanism; 601. Mounting base; 602. Camera; 603. Rotary motor; 604. Scraper; 605. Protective cover. Detailed Implementation

[0021] To make the technical means, creative features, objectives and effects of this utility model easier to understand, the present utility model will be further described below in conjunction with specific embodiments.

[0022] In the description of this utility model, it should be noted that the terms "upper," "lower," "inner," "outer," "front end," "rear end," "both ends," "one end," and "the other end," etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are used only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model. In addition, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance.

[0023] In the description of this utility model, it should be noted that, unless otherwise explicitly specified and limited, the terms "installed," "equipped with," and "connected," etc., should be interpreted broadly. For example, "connected" can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium; it can be a connection within two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances.

[0024] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0025] Please see Figure 1-4 An embodiment of this utility model provides a rotary fishing robotic arm for ocean-going fishing vessels, comprising a rotating base 1, a fishing mechanism 5, and a monitoring mechanism 6. A rotating disk 2 is rotatably connected to the top of the rotating base 1, a controller 3 is fixedly connected to the top right side of the rotating disk 2, a swing arm 4 is hinged to the top center of the rotating disk 2, the fishing mechanism 5 is hinged to the left end of the swing arm 4, and the monitoring mechanism 6 is fixedly connected to both sides of the fishing mechanism 5.

[0026] Specifically, the fishing mechanism 5 includes a swing plate 501, a first hydraulic cylinder 502, a connecting plate 503, a motor 504, a connecting shaft 505, a second hydraulic cylinder 506, and a gripping claw 507. The swing plate 501 is hinged to the left end of the swing arm 4. The first hydraulic cylinder 502 is fixedly connected to both sides of the swing plate 501. The connecting plate 503 is fixedly connected to the bottom end of the first hydraulic cylinder 502. The extension and retraction of the first hydraulic cylinder 502 can increase the movement stroke of the robotic arm, enabling it to cover a wider working range and more conveniently grip the fishing net.

[0027] Specifically, a motor 504 is fixedly connected to the top center of the connecting plate 503, and a connecting shaft 505 is fixedly connected to the output shaft of the motor 504. When the motor 504 works, it drives the connecting shaft 505 to rotate, which can change the direction of the gripper 507. In complex working environments, it can adapt to the working needs of different directions, flexibly adjust the angle of grabbing the catch, and avoid efficiency loss caused by grabbing in a single direction.

[0028] Specifically, the outer side of the connecting shaft 505 is hinged to one end of the second hydraulic cylinder 506, and the other end of the second hydraulic cylinder 506 is hinged to the clamping claw 507. The clamping claw 507 is hinged to the connecting shaft 505. When the second hydraulic cylinder 506 works, it causes the clamping claw 507 to open and close, increasing the clamping force of the clamping claw 507 and clamping the fishing net.

[0029] Specifically, the monitoring mechanism 6 includes a mounting base 601, a camera 602, a rotary motor 603, a scraper 604, and a protective cover 605. The mounting base 601 is fixedly connected to both sides of the connecting plate 503. The mounting base 601 is arranged at an angle. The camera 602 is fixedly connected inside the mounting base 601. The direction of the camera 602 corresponds to the gripper 507. Two sets of cameras 602 are set. The cameras 602 are electrically connected to the controller 3. The two sets of cameras 602 monitor the status of the gripper 507 and the fishing net, avoiding blind spots, facilitating the operator's observation of the fishing status, and reducing the risk of misoperation.

[0030] Specifically, a rotary motor 603 is fixedly connected to the inner side of the mounting base 601, and a scraper 604 is fixedly connected to the output shaft of the rotary motor 603. The scraper 604 corresponds to the position of the camera 602. When the rotary motor 603 works, it drives the scraper 604 to swing, cleaning the water stains on the surface of the camera 602 and preventing water from splashing onto the camera 602 during operation, thus avoiding affecting the monitoring and observation of the camera 602.

[0031] Specifically, a protective cover 605 is fixedly connected to the outside of the mounting base 601. The protective cover 605 is made of steel bars, and the holes of the protective cover 605 correspond to the position of the camera 602. The protective cover 605 provides a solid protective barrier for the camera 602, effectively resisting the impact of larger flying objects and preventing them from directly hitting the surface of the camera 602 and causing damage, thus ensuring that the camera 602 can work stably and reliably even in harsh environments.

[0032] Working principle: The rotating disk 2 rotates on the rotating base 1, while the swing arm 4 adjusts its position for easy fishing operations. The first hydraulic cylinder 502 extends and retracts, increasing the movement stroke of the robotic arm and allowing it to cover a wider working range for easier net gripping. Then, the second hydraulic cylinder 506 operates to open and close the gripping claw 507, increasing its gripping force and lifting the net. Simultaneously, the motor 504 drives the connecting shaft 505 to rotate, changing the direction of the gripping claw 507. This adapts to different directional operating needs in complex working environments, flexibly adjusting the angle of grabbing the catch and avoiding the consequences of gripping from a single direction. This reduces efficiency loss, while the two sets of cameras 602 monitor the gripper 507 and the fishing net status, avoiding blind spots and facilitating operator observation of the fishing status, thus reducing the risk of misoperation. At the same time, the rotating motor 603 drives the scraper 604 to swing, cleaning water stains from the surface of the camera 602 and preventing water from splashing onto the camera 602 during operation, thus avoiding interference with the monitoring and observation of the camera 602. The protective cover 605 provides a solid protective barrier for the camera 602, effectively resisting the impact of larger splashes and preventing them from directly hitting the surface of the camera 602 and causing damage, ensuring that the camera 602 can work stably and reliably even in harsh environments.

[0033] The above description is merely an embodiment of this utility model, and common knowledge regarding specific structures and characteristics is not described in detail here. It will be apparent to those skilled in the art that this utility model is not limited to the details of the above exemplary embodiments, and that it can be implemented in other specific forms without departing from the spirit or essential characteristics of this utility model. Therefore, the embodiments should be considered exemplary and non-limiting in all respects, and the scope of this utility model is defined by the appended claims rather than the foregoing description. Thus, it is intended that all variations falling within the meaning and scope of equivalents of the claims be included within this utility model. No reference numerals in the claims should be construed as limiting the scope of the claims.

Claims

1. A rotary fishing robotic arm for ocean-going fishing vessels, comprising a rotating base (1), a fishing mechanism (5), and a monitoring mechanism (6), characterized in that: The top of the rotating seat (1) is rotatably connected to a rotating disk (2), and a controller (3) is fixedly connected to the top right side of the rotating disk (2). A swing arm (4) is hinged to the top center of the rotating disk (2), and a fishing mechanism (5) is hinged to the left end of the swing arm (4). A monitoring mechanism (6) is fixedly connected to both sides of the fishing mechanism (5).

2. The rotary fishing robotic arm for ocean-going fishing vessels according to claim 1, characterized in that: The fishing mechanism (5) includes a swing plate (501), a first oil cylinder (502), a connecting plate (503), a motor (504), a connecting shaft (505), a second oil cylinder (506), and a clamping claw (507). The swing plate (501) is hinged to the left end of the swing arm (4). The first oil cylinder (502) is fixedly connected to both sides of the swing plate (501). The connecting plate (503) is fixedly connected to the bottom end of the first oil cylinder (502).

3. The rotary fishing robotic arm for ocean-going fishing vessels according to claim 2, characterized in that: A motor (504) is fixedly connected to the top center of the connecting plate (503), and a connecting shaft (505) is fixedly connected to the output shaft of the motor (504).

4. The rotary fishing robotic arm for ocean-going fishing vessels according to claim 2, characterized in that: The outer side of the connecting shaft (505) is hinged to one end of the second oil cylinder (506), and the other end of the second oil cylinder (506) is hinged to the clamping claw (507). The clamping claw (507) is hinged to the connecting shaft (505).

5. The rotary fishing robotic arm for ocean-going fishing vessels according to claim 1, characterized in that: The monitoring mechanism (6) includes a mounting base (601), a camera (602), a rotary motor (603), a scraper (604), and a protective cover (605). The mounting base (601) is fixedly connected to both sides of the connecting plate (503). The mounting base (601) is arranged at an angle. The camera (602) is fixedly connected inside the mounting base (601). The direction of the camera (602) corresponds to the gripper (507). Two sets of cameras (602) are provided. The camera (602) is electrically connected to the controller (3).

6. The rotary fishing robotic arm for ocean-going fishing vessels according to claim 5, characterized in that: A rotary motor (603) is fixedly connected to the inner side of the mounting base (601), and a scraper (604) is fixedly connected to the output shaft of the rotary motor (603). The scraper (604) corresponds to the position of the camera (602).

7. The rotary fishing robotic arm for ocean-going fishing vessels according to claim 5, characterized in that: A protective cover (605) is fixedly connected to the outside of the mounting base (601). The protective cover (605) is made of steel bars, and the holes in the protective cover (605) correspond to the positions of the camera (602).

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