Retractable trawl frame of fishing boat

By designing a retractable trawl frame for fishing vessels, the inconvenience and safety issues of traditional trawl frames have been solved, convenient retrieval and deployment and night lighting have been achieved, damage to fishing nets has been reduced, and operational efficiency has been improved.

CN223315198UActive Publication Date: 2025-09-09PENGLAI ZHONGBAI JINGLU SHIPBUILDING CO LTD
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Patent Information

Application Number
CN202422661057.8
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-11-01
Publication Date
2025-09-09
Estimated Expiration
2034-11-01

AI Technical Summary

Technical Problem

Traditional trawl nets have complex structures and are difficult to operate, especially when the wind and waves are strong, making it difficult to haul the trawl nets and easily causing damage to the fishing nets and safety hazards.

Method used

A retractable trawl frame for fishing vessels is designed. The trawl frame can be conveniently stored and deployed through the support of a stern light pole and a rope eye plate connected to a rotating shaft. A tail light is equipped to ensure lighting for nighttime operations, and the fishing net can be quickly disassembled using a rope.

Benefits of technology

The practicability and safety of the trawl frame are improved, the friction between the fishing net and the hull is reduced, the rupture of the fishing net is prevented, and the operation efficiency is improved.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a retractable trawl rack for a fishing boat, which relates to the technical field of ship engineering and comprises a boat body, a main deck, a support component and a net hanging component. The main deck is arranged at the top of the hull, the bow is arranged on the left side of the hull, the ladder is fixedly connected to the top of the main deck, and the left side of the ladder is fixedly connected with the right side of the bow. The supporting assembly is fixedly arranged at the top of the bow and used for supporting the stern lamp. The net hanging assembly is rotationally arranged on the inner surface of the supporting assembly and used for rapidly installing and protecting the fishing boat trawl net. The trawl frame is rotated to enable the main body eye plate to rotate on the base eye plate, so that the trawl frame is put down and unfolded to be far away from a ship body, and a fishing net is protected from being collided and damaged. After operation is completed, the trawl frame is rapidly pulled up through the rope, and the fishing net is conveniently detached. The design is convenient for sailors to operate on the inner side of a bulwark or a handrail, friction between the fishing net and a ship body is reduced, fracture is prevented, and operation efficiency is remarkably improved.
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Description

Technical Field

[0001] The utility model relates to the technical field of ship engineering, in particular to a retractable trawl frame for fishing boats. Background Art

[0002] Trawls are a common fishing tool used by various types of fishing vessels. Trawl rigs are a key piece of equipment on fishing vessels, used to suspend and operate the trawls. Trawls have been widely used in the fishing industry for many years, but facing ever-changing sea conditions and increasing fishing demands, various problems with traditional trawl rigs have gradually emerged.

[0003] Conventional trawl nets are complex and difficult to operate, especially in rough seas. Publication No. CN217065047U describes a retractable net frame for marine fish farming. The double-layer net features staggered perforations, which reduce the diameter of the holes while enhancing the net's strength without disrupting water flow. The retractable system, comprised of a retracting rope and equipment, facilitates cleaning and fishing.

[0004] However, when the device is in use, the fishing boat crew must use the eye plate and eye ring fixed on the outside of the stern to hang and collect the net. The fishing net is close to the hull, which is prone to collision and damage to the fishing net. It is inconvenient for personnel to operate and being close to the side of the ship is not conducive to safe operation.

[0005] Based on this, a retractable trawl frame for fishing vessels is now provided, which can eliminate the disadvantages of existing devices. Utility Model Content

[0006] The purpose of the utility model is to provide a retractable trawl frame for fishing boats to solve the problems in the background technology.

[0007] To achieve the above objectives, the present invention provides the following technical solutions:

[0008] A retractable trawl frame for a fishing vessel, comprising: a hull;

[0009] The main deck is arranged on the top of the hull, with the bow arranged on the left side of the hull. A ladder is fixedly connected to the top of the main deck, and the left side of the ladder is fixedly connected to the right side of the bow;

[0010] A support assembly is fixedly arranged on the top of the bow and is used to support the stern light;

[0011] The net hanging assembly is rotatably arranged on the inner surface of the supporting assembly and is used for quickly installing and protecting the fishing vessel trawl net.

[0012] On the basis of the above technical solutions, the present invention also provides the following optional technical solutions:

[0013] In an optional solution: the support assembly includes a stern light pole, which is fixedly arranged on the top of the bow, the outer surface of the stern light pole is fixedly connected to the light bracket, the bottom of the outer surface of the stern light pole is fixedly connected to the support frame, and the outer surface of the stern light pole is fixedly connected to the rotating shaft.

[0014] In an optional solution: the net hanging assembly includes a rope eye plate, which is rotatably arranged on the inner surface of the rotating shaft, the outer surface of the rope eye plate is fixedly connected to the trawl frame, the outer surface of the trawl frame is fixedly connected to the net hanging eye plate, and the middle of the trawl frame is fixedly connected to an internal support rod.

[0015] In an optional solution, a fixing assembly is fixedly provided at the bottom of the trawl frame for fixing and storing the trawl frame.

[0016] In an optional solution, the fixing assembly includes a main eye plate, which is fixedly arranged on the outer surface of the trawl frame, the outer surface of the main eye plate is rotatably connected to the base eye plate, and the bottom of the base eye plate is fixedly connected to the base.

[0017] In an alternative solution, a bolt connection is used between the rotating shaft and the rope eye plate.

[0018] In an optional solution, the trawl frame adopts a triangular frame structure.

[0019] In an alternative solution, the sternlight pole and the trawling net frame are both made of stainless steel.

[0020] Compared with the prior art, the beneficial effects of the present invention are as follows:

[0021] 1. This utility model provides a securely supported trawler frame at the stern light pole. When not in operation, the trawler frame can be secured to the inner surface of the rotating shaft via a rope eye plate for convenient storage. Furthermore, the taillight equipped with the light pole ensures illumination during nighttime operations, enhancing the trawler frame's practicality and safety.

[0022] 2. This utility model rotates the trawl frame, causing the main eye plate to rotate on the base eye plate, allowing the trawl frame to be tilted and deployed away from the hull, protecting the fishing net from collision damage. After the operation is completed, the trawl frame is quickly pulled up using a rope, allowing for convenient removal of the net. This design facilitates operation from the inside of the bulwark or railing, reduces friction between the fishing net and the hull, prevents breakage, and significantly improves operational efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 It is a structural diagram of the present utility model.

[0024] Figure 2 This is a structural diagram of the stern light pole of the utility model.

[0025] Figure 3 It is a structural schematic diagram of the trawl net frame in the utility model.

[0026] Figure 4 It is a structural schematic diagram of the rope eye plate in the utility model.

[0027] Figure 5 It is a structural schematic diagram of the fixing component in the utility model.

[0028] Notes on the accompanying figures: 1. hull; 2. main deck; 3. bow; 4. ladder; 5. stern light pole; 6. light stand; 7. support frame; 8. rotating shaft; 9. rope eye plate; 10. trawl net frame; 11. mesh hanging plate; 12. internal support rod; 13. main body eye plate; 14. base eye plate; 15. base. DETAILED DESCRIPTION

[0029] In order to make the purpose, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments.

[0030] In one embodiment, Figure 1-Figure 5 As shown, a retractable trawl frame for a fishing vessel comprises: a hull 1, a main deck 2, a support assembly, and a net hanging assembly; the main deck 2 is arranged on the top of the hull 1, a bow 3 is arranged on the left side of the hull 1, a ladder 4 is fixedly connected to the top of the main deck 2, and the left side of the ladder 4 is fixedly connected to the right side of the bow 3; the support assembly is fixedly arranged on the top of the bow 3 for supporting the stern light; the net hanging assembly is rotatably arranged on the inner surface of the support assembly for quickly installing and protecting the fishing vessel trawl net; the arrangement of the main deck 2 facilitates the crew's walking and also serves to reinforce the hull 1; the arrangement of the ladder 4 facilitates the crew's easy climbing to the bow 3;

[0031] In one embodiment, Figure 2 As shown, the support assembly includes a stern light pole 5, which is fixedly arranged on the top of the bow 3, a light bracket 6 is fixedly connected to the outer surface of the stern light pole 5, a support frame 7 is fixedly connected to the bottom of the outer surface of the stern light pole 5, and a rotating shaft 8 is fixedly connected to the outer surface of the stern light pole 5. The setting of the light bracket 6 facilitates the installation of the stern light, the setting of the support frame 7 facilitates the better fixation of the stern light pole 5 and makes it less likely to tip over, and the setting of the rotating shaft 8 facilitates the rotation of the trawl frame 10.

[0032] In one embodiment, Figure 3 and Figure 4The trawler 10 is fixedly secured to the bottom of the trawler 10 and secured to the bottom of the trawler 10. The trawler 10 is secured to the bottom of the trawler 10 and secured to the bottom of the trawler 10.

[0033] In one embodiment, Figure 5 As shown, the fixing assembly includes a main eye plate 13, which is fixedly arranged on the outer surface of the trawl frame 10. The outer surface of the main eye plate 13 is rotatably connected to the base eye plate 14, and the bottom of the base eye plate 14 is fixedly connected to the base 15. The setting of the main eye plate 13 facilitates the rapid installation of the trawl frame 10. The main eye plate 13 and the base eye plate 14 are installed by bolts, which is convenient for rapid disassembly.

[0034] The above embodiment discloses a retractable trawler frame for fishing vessels, wherein the trawler frame 10 is supported by the arrangement of the stern light pole 5. When the trawler frame 10 is not in use, the rope eye plate 9 on the trawler frame 10 is fixed to the inner surface of the rotating shaft 8, thereby storing the trawler frame 10, and illuminating it at night by the stern light on the light frame 6, thereby improving the practicality of the trawler frame 10. By rotating the trawler frame 10, the main body eye plate 13 rotates on the outer surface of the base eye plate 14, thereby laying down and unfolding the trawler frame 10. After the trawler frame 10 is laid down, the fishing net can be kept as far away from the hull 1 as possible to avoid damage to the fishing net due to collision. When the operation is finished, the trawler frame 10 is pulled up using a rope connected to the end of the trawler frame 10, and the fishing net can be quickly disassembled. The device can facilitate the crew to hang and collect the net inside the bulwark or railing during operation, reduce the friction between the fishing net and the hull, prevent the fishing net from breaking, and thus improve the operation efficiency.

[0035] The above description is merely a specific embodiment of the present application, but the scope of protection of the present application is not limited thereto. Any changes or substitutions that can be easily conceived by a person skilled in the art within the technical scope disclosed in this application should be included in the scope of protection of the present application. Therefore, the scope of protection of the present application should be based on the scope of protection of the claims.

Claims

1. A retractable trawl frame for a fishing vessel, comprising: hull(1); A main deck (2), the main deck (2) being arranged on the top of the hull (1), a bow (3) being arranged on the left side of the hull (1), a ladder (4) being fixedly connected to the top of the main deck (2), and a left side of the ladder (4) being fixedly connected to a right side of the bow (3); It is characterized in that it also includes a support assembly, which is fixedly arranged on the top of the bow (3) and is used to support the stern light; The net hanging assembly is rotatably arranged on the inner surface of the supporting assembly and is used for quickly installing and protecting the fishing vessel trawl net.

2. The retractable trawl frame for fishing vessels according to claim 1, characterized in that: The support assembly comprises a stern light pole (5), the stern light pole (5) is fixedly arranged on the top of the bow (3), the outer surface of the stern light pole (5) is fixedly connected to a light bracket (6), the bottom of the outer surface of the stern light pole (5) is fixedly connected to a support bracket (7), and the outer surface of the stern light pole (5) is fixedly connected to a rotating shaft (8).

3. The retractable trawl frame for fishing vessels according to claim 2, characterized in that: The net hanging assembly comprises a rope eye plate (9), the rope eye plate (9) is rotatably arranged on the inner surface of a rotating shaft (8), the outer surface of the rope eye plate (9) is fixedly connected to a trawl frame (10), the outer surface of the trawl frame (10) is fixedly connected to a net hanging plate (11), and the middle of the trawl frame (10) is fixedly connected to an internal support rod (12).

4. The retractable trawl frame for fishing vessels according to claim 3, characterized in that: A fixing assembly is fixedly provided at the bottom of the trawl frame (10) for fixing and storing the trawl frame (10).

5. The retractable trawl frame for fishing vessels according to claim 4, characterized in that: The fixing assembly comprises a main eye plate (13), the main eye plate (13) being fixedly arranged on the outer surface of the trawl frame (10), the outer surface of the main eye plate (13) being rotatably connected to a base eye plate (14), and the bottom of the base eye plate (14) being fixedly connected to a base (15).

6. The retractable trawl frame for fishing vessels according to claim 3, characterized in that: The rotating shaft (8) and the rope eye plate (9) are connected by bolts.

7. The retractable trawl frame for fishing vessels according to claim 3, characterized in that: The trawl frame (10) adopts a triangular frame structure.

8. The retractable trawl frame for fishing vessels according to claim 3, characterized in that: The stern light pole (5) and the trawl net frame (10) are both made of stainless steel.

Citation Information

Patent Citations

  • Retractable net rack for marine fish culture

    CN217065047U