Boat for fishing boat

Abstract

The utility model discloses a boat for a fishing boat. The boat comprises a boat body, an engine and a propeller, the device further comprises a protection device. The protection device comprises first grids located on the two sides of the propeller, a second grid located at the tail of the propeller, a third grid located at the bottom of the propeller, a fourth grid connected with the third grid and the bottom of the ship body and movable grids located on the two sides of the fourth grid. The two first grids, the second grid, the third grid, the fourth grid and the two movable grids surround the propeller. A driving device is arranged on the first grid and can drive the movable grid to move to the inner side or the outer side of the first grid. The driving device drives the movable grids to move to the two sides of the fourth grid, the two first grids, the second grid, the third grid, the fourth grid and the two movable grids surround a propeller, and the propeller is protected; the reduction of the water absorption force of the propeller can be avoided so as to ensure the power of the propeller, and the propeller can be well protected.

Description

Technical Field

[0001] The utility model relates to the technical field of ship equipment, in particular to a boat used for fishing vessels. Background Art

[0002] In single-vessel purse seine fishing, a purse seine fishing boat is responsible for the operation, and an auxiliary boat is used for auxiliary operations. When a school of fish is detected, the purse seine boat keeps an appropriate distance from the school of fish in the downwind or above the flow direction. One end of the net is tied by the auxiliary boat. The purse seine boat quickly rotates back and releases the net to form an encirclement with the school of fish as the target. When the purse seine boat rotates back to its original position, it takes over one end of the net from the auxiliary boat and fixes it to the bow; at the same time, it quickly reels in the two ends of the net, so that the bottom ring gathers to close the bottom of the net circle. Then, the net is lifted from the rear end of the net one by one, so that the net circle gradually shrinks to an appropriate degree to scoop up the catch.

[0003] Because it is often necessary to set nets, trawling and collecting nets, the propellers of auxiliary boats are very likely to be entangled in fishing nets, resulting in failure of purse seine operations, and even accidents such as parking, drifting and loss of control. Therefore, it is necessary to set a protective cover around the propeller. However, the existing protective cover is usually in the shape of a cage and contains the propeller. When the auxiliary boat is driving, the protective cover in front of the propeller is easy to divide the water flow, resulting in a decrease in the water absorption of the propeller and a decrease in the propeller thrust. Utility Model Content

[0004] The utility model provides a boat for fishing boats to solve the above technical problems.

[0005] In order to achieve the above purpose, the technical solution of the utility model is:

[0006] A boat for fishing boats comprises: a hull, an engine and a propeller; and a protective device; the protective device comprises: a first grid located on both sides of the propeller, a second grid located at the tail of the propeller, a third grid located at the bottom of the propeller, a fourth grid connecting the third grid and the bottom of the hull, and movable grids located on both sides of the fourth grid.

[0007] Two first grilles, a second grille, a third grille, a fourth grille and two movable grilles surround the propeller.

[0008] The first grille is provided with a driving device, which can drive the movable grille to move to the inner side or the outer side of the first grille.

[0009] Furthermore, the first grille is relatively arranged and fixed on the hull, the second grille is fixed on the hull and fixed to the first grille, the third grille is fixed to the first grille and fixed to the second grille; one end of the fourth grille is fixed to the third grille and the other end is fixedly connected to the bottom of the hull; the two movable grilles are relatively arranged, and the spacing between the two movable grilles is greater than the spacing between the two first grilles.

[0010] Furthermore, the driving device includes: a hydraulic cylinder, a joint and a connecting plate; one end of the hydraulic cylinder is fixed to the inner side of the first grille, and the other end is fixedly connected to the joint; one end of the connecting plate is fixedly connected to the joint, and the other end is fixedly connected to the front end of the movable grille.

[0011] Furthermore, the length of the movable grille is shorter than the length of the first grille.

[0012] Furthermore, a first fixing rod and a second fixing rod are provided on the fourth grid; the top end of the first fixing rod is fixed to the bottom of the hull, and the bottom end of the first fixing rod is fixed to the fourth grid; the top end of the second fixing rod is fixed to the bottom of the hull, and the bottom end of the second fixing rod is fixed to the fourth grid.

[0013] Beneficial effects:

[0014] The present application discloses a fishing boat that drives a movable grille to move to both sides of a fourth grille through a driving device, and two first grilles, a second grille, a third grille, a fourth grille and two movable grilles surround the propeller to protect the propeller; the driving device can drive the movable grille to move to the inside or outside of the first grille, and there is no grille blocking the sides of the fourth grille, so that the water flow can pass smoothly, reducing the division of the water flow. Therefore, it can avoid the reduction of the water absorption force of the propeller to ensure the power of the propeller, and can also play a good protective effect on the propeller. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative labor.

[0016] Figure 1 A schematic diagram of the structure of a movable grille for a fishing boat disclosed in the utility model when it is opened;

[0017] Figure 2 It is a structural schematic diagram of a fishing boat movable grille folded up according to the utility model;

[0018] Figure 3 The utility model is a left side view of a boat used for fishing vessels.

[0019] 1. Hull; 2. Engine; 3. Propeller; 41. First grille; 42. Second grille; 43. Third grille; 44. Fourth grille; 45. Movable grille; 5. Driving device; 51. Joint; 52. Connecting plate; 61. First fixing rod; 62. Second fixing rod. DETAILED DESCRIPTION

[0020] In order to make the purpose, technical solution and advantages of the embodiment of the utility model clearer, the technical solution in the embodiment of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiment of the utility model. Obviously, the described embodiment is a part of the embodiment of the utility model, not all of the embodiments. Based on the embodiment of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0021] A fishing boat, combined with Figure 1 , Figure 2 and Figure 3 As shown, it includes: a hull 1, an engine 2 and a propeller 3; and also includes a protective device; the protective device includes: a first grid 41 located on both sides of the propeller 3, a second grid 42 located at the tail of the propeller 3, a third grid 43 located at the bottom of the propeller 3, a fourth grid 44 connecting the third grid 43 and the bottom of the hull 1, and movable grids 45 located on both sides of the fourth grid 44; the two first grids 41, the second grid 42, the third grid 43, the fourth grid 44 and the two movable grids 45 surround the propeller 3; the first grid 41 is provided with a driving device 5, and the driving device 5 can drive the movable grid 45 to move to the inside or outside of the first grid 41. When protection is needed, the driving device 5 drives the movable grid 45 to move to both sides of the fourth grid 44. The second grid 42 protects the tail of the propeller 3, the first grid 41 and the third grid 43 are combined with the bottom of the hull 1 to protect the side of the propeller 3, and the fourth grid 44 and the movable grid 45 cooperate to protect the front of the propeller 3. When the fishing net is unfolded in the water and needs to be dragged or tightened by the boat, the driving device 5 drives the movable grille 45 to move to the inside or outside of the first grille 41. The second grille 42, the first grille 41, the third grille 43, and the fourth grille 44 block the fishing net behind the propeller 3 in combination with the bottom of the hull 1 to protect the propeller 3. The water in front of the propeller 3 passes smoothly from the position where the movable grille 45 is opened, reducing the division of the water flow and ensuring the power of the propeller 3.

[0022] Preferably, the first grid 41 is arranged oppositely and fixed on the hull 1, the second grid 42 is fixed on the hull 1 and fixed to the first grid 41, the third grid 43 is fixed to the first grid 41 and fixed to the second grid 42; one end of the fourth grid 44 is fixed to the third grid 43, and the other end is fixedly connected to the bottom of the hull 1; the first grid 41, the second grid 42, the third grid 43, the fourth grid 44 and the hull 1 are fixed by welding. Two movable grids 45 are arranged oppositely, and the spacing between the two movable grids 45 is greater than the spacing between the two first grids 41, so that the two movable grids 45 can be retracted to the outside of the first grid 41 to prevent the movable grid 45 from bringing the fishing net hook to the inside of the first grid 41 when it moves.

[0023] Preferably, the driving device 5 comprises: a hydraulic cylinder, a joint 51 and a connecting plate 52; one end of the hydraulic cylinder is fixed to the inner side of the first grid 41, and the other end is fixedly connected to the joint 51; one end of the connecting plate 52 is fixedly connected to the joint 51, and the other end is fixedly connected to the front end of the movable grid 45. The joint 51 is connected to the end of the hydraulic cylinder by threads, and the connecting plate 52, the joint 51 and the movable grid 45 are fixed by welding. The hydraulic cylinder is located on the inner side of the first grid 41 to prevent the fishing net from winding around the hydraulic cylinder, and the connecting plate 52 is connected to the front end of the movable grid 45 to enable the movable grid 45 to be completely retracted to the outside of the first grid 41. The connecting plate 52 crosses the front end of the first grid 41 to connect the movable grid 45 to enable the movable grid 45 to be closer to the first grid 41, and reduces the gap between the movable grid 45 and the first grid 41 when the movable grid 45 moves to both sides of the fourth grid 44, thereby achieving a better protection effect.

[0024] Preferably, the length of the movable grille 45 is smaller than the length of the first grille 41 , so that the movable grille 45 does not protrude from the second grille 42 after being retracted, thereby preventing the movable grille 45 from hooking the fishing net.

[0025] Preferably, the fourth grid 44 is provided with a first fixing rod 61 and a second fixing rod 62; the top end of the first fixing rod 61 is fixed to the bottom of the hull 1, and the bottom end of the first fixing rod 61 is fixed to the fourth grid 44; the top end of the second fixing rod 62 is fixed to the bottom of the hull 1, and the bottom end of the second fixing rod 62 is fixed to the fourth grid 44. The first fixing rod 61 and the second fixing rod 62 are both fixed to the fourth grid 44 and the hull 1 by welding. The first fixing rod 61 and the second fixing rod 62 support and strengthen the fourth grid 44 to prevent the fourth grid 44 from deforming.

[0026] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the utility model, rather than to limit it. Although the utility model has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that they can still modify the technical solutions described in the aforementioned embodiments, or replace some or all of the technical features therein with equivalents. However, these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the scope of the technical solutions of the embodiments of the utility model.

Claims

1. A fishing boat, comprising: A hull (1), an engine (2) and a propeller (3); characterized in that it also includes a protective device; the protective device includes: a first grille (41) located on both sides of the propeller (3), a second grille (42) located at the tail of the propeller (3), a third grille (43) located at the bottom of the propeller (3), a fourth grille (44) connecting the third grille (43) and the bottom of the hull (1), and movable grilles (45) located on both sides of the fourth grille (44); The two first grilles (41), the second grille (42), the third grille (43), the fourth grille (44) and the two movable grilles (45) surround the propeller (3); The first grille (41) is provided with a driving device (5), and the driving device (5) can drive the movable grille (45) to move to the inside or outside of the first grille (41).

2. A fishing boat according to claim 1, characterized in that: The first grille (41) is arranged oppositely and fixed on the hull (1); the second grille (42) is fixed on the hull (1) and fixed to the first grille (41); the third grille (43) is fixed to the first grille (41) and fixed to the second grille (42); one end of the fourth grille (44) is fixed to the third grille (43) and the other end is fixedly connected to the bottom of the hull (1); the two movable grilles (45) are arranged oppositely, and the distance between the two movable grilles (45) is greater than the distance between the two first grilles (41).

3. A fishing boat according to claim 2, characterized in that: The driving device (5) comprises: a hydraulic cylinder, a joint (51) and a connecting plate (52); one end of the hydraulic cylinder is fixed to the inner side of the first grille (41), and the other end is fixedly connected to the joint (51); one end of the connecting plate (52) is fixedly connected to the joint (51), and the other end is fixedly connected to the front end of the movable grille (45).

4. A fishing boat according to claim 2, characterized in that: The length of the movable grille (45) is shorter than the length of the first grille (41).

5. A fishing boat according to claim 2, characterized in that: The fourth grid (44) is provided with a first fixing rod (61) and a second fixing rod (62); the top end of the first fixing rod (61) is fixed to the bottom of the hull (1), and the bottom end of the first fixing rod (61) is fixed to the fourth grid (44); the top end of the second fixing rod (62) is fixed to the bottom of the hull (1), and the bottom end of the second fixing rod (62) is fixed to the fourth grid (44).

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