A fishing net fish releasing device

Abstract

A fishing net fish removal device includes a first unit and a second unit, each equipped with a feeding and fixing device. The feeding and fixing device includes a fishing net conveying roller assembly and a fishing net fixing component. The fishing net fixing component is connected downstream of the fishing net conveying roller assembly and includes a fishing net clamping member and a swing arm. The swing arm is hinged to the machine body and drives the fishing net clamping member to swing mirror-like. The fishing net clamping member is used to clamp the edge of the fishing net. This invention uses the fishing net conveying roller assembly to automatically pull the net to the fishing net clamping member. After clamping, the relative movement of the fishing net clamping members of the first and second units shakes off the fish, achieving rapid and automatic fish removal and reducing mortality. During the swinging of the swing arm, the fishing net clamping member firmly holds the fishing net, preventing it from detaching, ensuring stable operation, reducing manual intervention and labor intensity, and lowering labor costs.

Description

Technical Field

[0001] This utility model relates to the field of fish removal from fishing nets, and in particular to a fish removal device for fishing nets. Background Technology

[0002] Fishing nets are tools specifically designed to catch fish or other aquatic organisms in water, and are one of the most basic and important pieces of equipment in fisheries (caught fishing and aquaculture). However, after the catch is complete, the fishing nets, fully loaded with fish, rely on the combined efforts of many people to pull them from the water to the boat deck. This is extremely labor-intensive, inefficient, and poses a high safety risk.

[0003] In addition, after the fishing nets are brought ashore, the fish need to be removed from the nets manually (fish removal). This process is not only slow and time-consuming, but the fish are also exposed to the air for a long time and struggle in the nets, which can lead to the death of many individuals due to lack of oxygen, stress or injury, resulting in economic losses and waste of resources. Summary of the Invention

[0004] This invention addresses the shortcomings of existing technologies by providing an automatic net-pulling and fish-removing device.

[0005] To solve the above-mentioned technical problems, this utility model provides the following technical solution: a fishing net fish removal device, comprising a first unit and a second unit arranged opposite to each other, the first unit and the second unit respectively being provided with a feeding and fixing device, the feeding and fixing device comprising a fishing net conveying roller group and a fishing net fixing component, the fishing net fixing component being connected downstream of the fishing net conveying roller group; the fishing net conveying roller group being used to cooperate in conveying the fishing net; the fishing net fixing component comprising a fishing net clamping member and a swing arm, the fishing net clamping member being disposed on the swing arm, the swing arm being hinged to the machine body, the swing arm driving the fishing net clamping member to swing in a mirror image, the fishing net clamping member being used to clamp the edge of the fishing net.

[0006] This utility model's fishing net conveyor roller assembly is used to convey fishing nets to the fishing net clamping components, realizing automatic net pulling. The fishing net clamping components hold the fishing net, and the fishing net clamping components of the first unit and the second unit move relative to each other, shaking the fish out of the fishing net, realizing rapid and automatic fish removal, reducing fish mortality. During the swinging process of the swing arm driving the fishing net clamping components, the fishing net clamping components can firmly hold the fishing net, preventing the fishing net from falling off during the swinging process, ensuring the stable progress of fish removal operations. The net pulling and fish removal processes reduce manual intervention, reduce labor intensity, and reduce labor costs.

[0007] Preferably, the fishing net clamping component includes a first clamping arm, a second clamping arm, and a mounting base. The first and second clamping arms are hinged to the mounting base, and their opposing surfaces are toothed. The first and second clamping arms are connected to a clamping drive component that drives them to perform clamping actions. The clamping drive component is fixedly mounted on a swing arm. The toothed surfaces increase the friction between the first and second clamping arms, further ensuring that the fishing net clamping component stably clamps the fishing net.

[0008] Furthermore, the cross-section of the toothed surface is wavy; or, the toothed surface includes a plurality of protrusions arranged on the clamping arm.

[0009] Preferably, the swing arm of the first unit and the swing arm of the second unit are connected by a swing drive component.

[0010] Furthermore, the swing drive component includes a linkage gear, an eccentric wheel, and a driven gear. The driven gear is coaxially fixed with the eccentric wheel, the eccentric wheel and the swing arm are connected by a connecting rod, and the driven gear meshes with the linkage gear.

[0011] Furthermore, the linkage gears of the first unit and the second unit are connected by a synchronous belt drive, and the linkage gears of the first unit or the second unit are connected to the rotating power source.

[0012] Preferably, a fishing net limiting assembly is connected upstream of the fishing net conveying roller assembly. This assembly includes an upper clamping plate and a lower clamping plate that can move relative to each other. A clamping cavity is formed between the upper and lower clamping plates. When the upper and lower clamping plates are far apart, the clamping cavity opens to allow the edge of the fishing net to enter. When the upper and lower clamping plates are close together, the clamping cavity closes, and a gap is provided between the upper and lower clamping plates to allow the fishing net to move. The upper and lower clamping plates cooperate to limit the fishing net, preventing it from detaching from the fishing net conveying roller assembly and ensuring smooth conveying of the fishing net.

[0013] Furthermore, an upper clamping wheel is rotatably mounted on the upper clamping plate, and a lower clamping wheel is rotatably mounted on the lower clamping plate. The upper and lower clamping wheels cooperate to unfold and convey the fishing net. The upper and lower clamping wheels rotate to convey the fishing net, and the clamping plates and clamping wheels cooperate to unfold the fishing net, allowing it to enter the fishing net conveying roller group flat, ensuring a high success rate for fish removal.

[0014] Preferably, the fishing net conveying roller assembly includes an infeed roller and an outlet roller, both of which have friction ridges evenly distributed on their surfaces. The outlet roller is positioned at a height higher than the fishing net clamping component. This ensures that the fishing net is stably conveyed from the outlet roller and falls stably into the fishing net clamping component. Attached Figure Description

[0015] Figure 1 This is a schematic diagram of the structure of this utility model.

[0016] Figure 2 This is a side view of the first unit of this utility model.

[0017] Figure 3 This is a structural schematic diagram of the fishing net fixing component of this utility model.

[0018] Figure 4 This is a schematic diagram of the structure of the fishing net conveyor roller assembly of this utility model.

[0019] The names of the body parts referred to by the numbers in the above attached diagrams are as follows:

[0020] The components include: 1. First unit; 2. Second unit; 3. Machine body; 4. Fishing net conveying roller group; 41. Feed roller; 42. Tensioning roller; 43. Discharge roller; 44. Friction ridge; 5. Fishing net fixing assembly; 51. Fishing net clamping component; 511. First clamping arm; 512. Second clamping arm; 513. Toothed surface; 514. Clamping drive component; 52. Swing arm; 531. Linkage gear; 532. Eccentric wheel; 533. Driven gear; 534. Connecting rod; 6. Rotational power source; 7. Synchronous belt; 8. Fishing net limiting assembly; 81. Upper clamping plate; 82. Upper clamping wheel; 83. Lower clamping plate; 84. Lower clamping wheel. Detailed Implementation

[0021] The present invention will now be described in further detail with reference to the accompanying drawings and embodiments.

[0022] A fishing net fish removal device includes a first unit 1 and a second unit 2 arranged opposite to each other. The first unit 1 and the second unit 2 are respectively provided with a feeding and fixing device. The feeding and fixing device includes a fishing net conveying roller group 4 and a fishing net fixing component 5. The fishing net conveying roller group 4 and the fishing net fixing component 5 can be connected as a whole or set separately. The fishing net fixing component 5 is connected downstream of the fishing net conveying roller group 4. The fishing net conveying roller group 4 is used to transport the fishing net. The fishing net conveying roller group 4 can replace manual net pulling, reducing labor intensity. The fishing net conveying roller group 4 includes a feed roller 41 and a discharge roller 43. The feed roller 41 and the discharge roller 43 are rotatably mounted on the mounting plate. A tension roller 42 can be set between the feed roller 41 and the discharge roller 43. Friction ridges 44 are evenly distributed on the surface of the feed roller 41 and the discharge roller 43. The friction ridges 44 are used to increase the friction of the roller surface and ensure stable transport of the fishing net. The position height of the discharge roller 43 is higher than the position height of the fishing net clamping member 51. The fishing net delivered by the discharge roller 43 can fall smoothly into the fishing net clamping member 51. The fishing net fixing assembly 5 includes a fishing net clamping member 51 and a swing arm 52. The fishing net clamping member 51 is used to clamp the edge of the fishing net. The fishing net clamping member 51 includes a first clamping arm 511, a second clamping arm 512 and a mounting base. The first clamping arm 511 and the second clamping arm 512 are hinged to the mounting base, and the opposing surfaces of the first clamping arm 511 and the second clamping arm 512 are toothed surfaces 513. The mounting base is fixedly mounted on the swing arm 52. The first clamping arm 511 and the second clamping arm 512 are connected to a clamping drive component 514 that drives them to perform clamping actions. In this embodiment, the clamping drive component 514 is fixedly mounted in the mounting cavity inside the swing arm 52. The clamping drive component 514 is a hydraulic cylinder or a motor, etc. The fishing net clamping component 51 is mounted on the swing arm 52, which is hinged to the machine body 3. The swing arm 52 is rotatably mounted on the frame via a hinge shaft. The swing arm 52 drives the fishing net clamping component 51 to swing left and right. The swing arms 52 of the first unit 1 and the second unit 2 are respectively connected to their respective swing drive components. The swing drive components drive the swing arms 52 of the first unit 1 and the second unit 2 to swing in a mirror image. The swing drive components can also be linkage mechanisms or cam mechanisms, etc., that drive the swing arms to swing. The mirror image swing of the fishing net clamping components of the first unit and the second unit realizes automatic fish removal, replacing manual fish removal and improving fish removal efficiency. The swing drive component includes a linkage gear 531, an eccentric wheel 532, and a driven gear 533. The driven gear 533 is coaxially fixed with the eccentric wheel 532. The eccentric wheel 532 and the swing arm 52 are connected by a connecting rod 534. The driven gear 533 meshes with the linkage gear 531. The linkage gear 531 is provided with an eccentric shaft. One end of the connecting rod 534 is connected to the linkage gear 531 through the eccentric shaft, and the other end of the connecting rod 534 is connected to the swing arm 52, thereby driving the swing arm 52 to swing.

[0023] The cross-section of the toothed surface 513 is wavy; or, the toothed surface 513 includes a plurality of protrusions arranged on the clamping arm. The protrusions can be barbs, like comb teeth. Whether wavy or protruding, they are all for increasing the friction of the clamping arm, thereby preventing the fishing net from detaching from the fishing net clamping member 51.

[0024] The swing drive component of the first unit 1 and the swing drive component of the second unit 2 have their own power sources. In order to save costs and ensure that the swing arms 52 of the first unit 1 and the second unit 2 swing synchronously, in this embodiment, the linkage gear 531 of the first unit 1 and the linkage gear 531 of the second unit 2 are connected by a synchronous belt 7. The linkage gear 531 of the first unit 1 is coaxially provided with a first synchronous pulley, and the linkage gear 531 of the second unit 2 is similarly provided with a second synchronous pulley. The first synchronous pulley and the second synchronous pulley are connected by a synchronous belt 7. The linkage gear 531 of the first unit 1 or the second unit 2 is connected to a rotating power source, which can be a motor.

[0025] To prevent the fishing net from falling off the fishing net conveying roller group 4 during the shaking process, a fishing net limiting component 8 is connected upstream of the fishing net conveying roller group 4. The fishing net limiting component 8 includes an upper clamping plate 81 and a lower clamping plate 83 that can move relative to each other. The upper and lower clamping plates are far apart, and the clamping cavity is open to allow the edge of the fishing net to enter. When the upper and lower clamping plates are relatively close, the clamping cavity is closed, and there is a gap between the upper and lower clamping plates to allow the fishing net to move. The upper clamping plate 81 and the lower clamping plate 83 move towards each other to clamp the fishing net. The upper clamping plate 81 and the lower clamping plate 83 fix the fishing net from the feed end of the fishing net conveying roller group 4, and the fishing net clamping component 51 fixes the fishing net from the discharge end of the fishing net conveying roller group 4, ensuring that the fishing net remains in contact with the fishing net conveying roller group 4 and stably conveying the fishing net. In this embodiment, the frame has a positioning mounting plate. The upper clamping plate 81 is slidably mounted on the positioning mounting plate via a vertical guide rail. The upper clamping plate 81 is connected to a telescopic power source that drives its up-and-down movement. The lower clamping plate 83 is fixed on the positioning mounting plate. The fishing net is clamped by the up-and-down movement of the upper clamping plate 81. The upper and lower clamping plates cooperate to limit the fishing net and prevent it from detaching from the fishing net conveying roller group. In order to unfold the fishing net in the stacked state, an upper clamping wheel 82 is rotatably mounted on the upper clamping plate 81, and a lower clamping wheel 84 is rotatably mounted on the lower clamping plate 83. The fishing net conveying roller group 4 pulls the fishing net, so that the fishing net passes between the upper clamping wheel 82 and the lower clamping wheel 84. The upper clamping wheel 82 and the lower clamping wheel 84 cooperate to unfold the conveyed fishing net, so that the fishing net enters the fishing net conveying roller group 4 flat, ensuring the success rate of fish removal.

[0026] The working principle of this utility model is described below with reference to the accompanying drawings: the upper clamping plate 81 moves upward, opening the fishing net limiting component 8 to facilitate the entry of the edge part of the fishing net, and then the upper clamping plate 81 moves downward to cooperate with the lower clamping plate 83 to clamp the edge part of the fishing net.

[0027] Subsequently, the edge of the fishing net is sequentially wound around the feed roller 41, tension roller 42, and discharge roller 43 of the fishing net conveying roller group 4, and then falls onto the open fishing net clamping member 51. The fishing net clamping member 51 clamps the edge of the fishing net. The fishing net clamping members 51 of the first frame and the second frame respectively clamp the opposite sides of the fishing net. The rotating power source 6 causes the swing arm 52 of the first group 1 and the swing arm 52 of the second group 2 to move in mirror image through the synchronous belt 7, shaking the middle of the fishing net up and down to achieve automatic fish removal. After the fish are removed, the fishing net is removed from the fishing net clamping member 51 manually or by setting a net removal device. The gap between the upper and lower clamping plates allows subsequent fishing nets to pass through. The fishing net conveying roller group 4 rotates to transport the subsequent fish-laden part of the fishing net to the open fishing net clamping member 51, and the above shaking action is repeated until the entire fishing net is removed. The fishing net after the fish are shaken off is relatively light, making it easy to handle manually.

[0028] In the description of this invention, it should be understood that the terms "center," "length," "width," "thickness," "upper," "lower," "vertical," "horizontal," "top," "bottom," "inner," and "outer," etc., indicating orientation or positional relationships based on the orientation or positional relationships shown in the accompanying drawings, are only for the convenience of describing the invention 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, and therefore should not be construed as a limitation of the invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of indicated technical features. Thus, a feature defined with "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of this invention, "a plurality of" means two or more, unless otherwise explicitly specified.

[0029] In summary, the above description is only a preferred embodiment of the present utility model. All equivalent changes and modifications made within the scope of the patent application of the present utility model shall fall within the scope of the patent of the present utility model.

Claims

1. A fish netting device, characterised in that: The system includes a first unit (1) and a second unit (2) arranged opposite to each other. The first unit (1) and the second unit (2) are respectively provided with a feeding and fixing device. The feeding and fixing device includes a fishing net conveying roller group (4) and a fishing net fixing component (5). The fishing net fixing component (5) is connected downstream of the fishing net conveying roller group (4). Fishing net conveyor roller assembly (4), which is used to cooperate in conveying fishing nets; The fishing net fixing assembly (5) includes a fishing net clamp (51) and a swing arm (52). The fishing net clamp (51) is mounted on the swing arm (52), which is hinged to the body (3). The swing arm (52) of the first unit and the swing arm of the second unit drive their respective fishing net clamps (51) to swing in a mirror image. The fishing net clamp (51) is used to clamp the edge of the fishing net.

2. A fishing net fish unloading apparatus according to claim 1, characterized in that: The fishing net clamping component (51) includes a first clamping arm (511), a second clamping arm (512), and a mounting base. The first clamping arm (511) and the second clamping arm (512) are hinged to the mounting base, and the opposing surfaces of the first clamping arm (511) and the second clamping arm (512) are toothed surfaces (513). The first clamping arm (511) and the second clamping arm (512) are connected to the clamping drive component (514) that drives them to perform clamping actions.

3. A net fish releasing apparatus according to claim 2, characterized in that: The cross-section of the toothed surface (513) is wavy; Alternatively, the toothed surface (513) may include a plurality of protrusions arranged in an array on the clamp arm.

4. The fishing net fish unloading apparatus according to claim 1, characterized by: The swing arm (52) of the first unit (1) and the swing arm (52) of the second unit (2) are respectively connected to their respective swing drive components.

5. A fishing net fish unloading apparatus according to claim 4, characterised in that: The swing drive component includes a linkage gear (531), an eccentric wheel (532), and a driven gear (533). The driven gear (533) is coaxially fixed with the eccentric wheel (532). The eccentric wheel (532) and the swing arm (52) are connected by a connecting rod (534). The driven gear (533) meshes with the linkage gear (531).

6. A fishing net fish unloading apparatus according to claim 5, characterised in that: The linkage gear (531) of the first unit (1) and the linkage gear (531) of the second unit (2) are connected by a synchronous belt (7), and the linkage gear (531) of the first unit (1) or the second unit (2) is connected to the rotating power source.

7. The fishing net fish unloading apparatus according to claim 1, characterized by: The upstream of the fishing net conveying roller group (4) is a fishing net limiting component (8). The fishing net limiting component (8) includes an upper clamping plate (81) and a lower clamping plate (83) that can move relative to each other. There is a clamping cavity between the upper clamping plate (81) and the lower clamping plate (83). The upper clamping plate (81) and the lower clamping plate (83) are far apart from each other. The clamping cavity is open to allow the edge of the fishing net to enter. When the upper clamping plate and the lower clamping plate are relatively close, the clamping cavity is closed. There is a gap between the upper clamping plate (81) and the lower clamping plate (83) for the fishing net to move.

8. A net fisher according to claim 7, characterised in that: The upper clamping plate (81) is rotatably provided with an upper clamping wheel (82), and the lower clamping plate (83) is rotatably provided with a lower clamping wheel (84). The upper clamping wheel (82) and the lower clamping wheel (84) work together to unfold and transport the fishing net.

9. The fishing net fish unloading apparatus according to claim 1, characterized by: The fishing net conveying roller group (4) includes a feed roller (41) and a discharge roller (43). Friction ridges (44) are evenly distributed on the surfaces of the feed roller (41) and the discharge roller (43). The position height of the discharge roller (43) is higher than that of the fishing net clamping member (51).

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