A method for laying gillnet using drone

Abstract

The invention discloses a method for laying a gillnet by using a drone, and belongs to the field of fishery survey. The method comprises: a drone, a fixed lock, and a launching device, wherein the fixed lock is used to fix the launching device on the landing gear of the drone; the beneficial effects of the invention are: 1) the structural characteristics of the double ropes above the gillnet are fully utilized, and one rope is evenly fixed, and the launching is evenly performed during launching; 2) after the drone launch is completed, the fixed lock can be removed and used for other purposes, so as to realize one machine with multiple uses; 3) in the absence of a ship, the gillnet can be launched to a designated position of the water body.

Description

[0001] The invention discloses a method for laying a drift gill net by using a drone, belonging to the field of fishery investigation. Background Art

[0002] When conducting fishery surveys in natural water bodies, drift nets are a commonly used net. Its advantages are light weight, easy to carry, and can be cast by hand on a boat or on the shore.

[0003] However, when the water body to be investigated is in a remote area, it is very difficult to transport the ship to the water body for investigation, and the cost of manually casting nets on the ship is very high. If the manual casting nets on the ship are not used, the sampling range of casting nets on the shore is too small and not representative. After drones were widely used in civilian use, drones were gradually used in casting nets for fishing. Publication No. CN112758319A discloses a casting net device for drones. Although drones are used, the device is not suitable for the use of drift nets.

[0004] How to use drones to mount and throw gillnets has not yet been solved in existing technologies. Summary of the invention

[0005] The purpose of the present invention is to provide a device mounted on a drone and used for laying a gillnet.

[0006] To achieve the above object, the present invention provides the following technical solutions:

[0007] A method for laying a drift net using a drone, comprising: a drone, a fixing lock, and a launching device, wherein the drone is a standardized product, and the fixing lock is used to fix the launching device on the landing gear of the drone;

[0008] The fixed lock buckle comprises: a metal hoop and an anti-skid rubber pad, wherein the anti-skid rubber pad is located inside the metal hoop;

[0009] The launching device comprises: a paddle rod, a gillnet placing rod, a connecting column, a gillnet paddle, a spring piece, and a fixing buckle;

[0010] The paddle lever is located at the top and is fixedly connected to the drone via a fixed lock;

[0011] The connecting column is located below the paddle rod, and the paddle rod and the gillnet placing rod are connected to each other by riveting or welding;

[0012] The spring piece is L-shaped, one side of the L-shaped piece is welded and fixed on the pick rod, and the other side is tightly fitted with the drift net pick under the action of elastic force;

[0013] One end of the barbed wire paddle is connected to the paddle rod through a hinge, and the other end is obliquely pressed on the barbed wire placement rod under the elastic force of the spring piece;

[0014] The fixing buckle is fixed on the paddle rod. When the barbed wire paddle is pulled toward the paddle rod against the elastic force of the spring sheet, the barbed wire paddle can be stuck on the fixing buckle.

[0015] Determine the length of the pick rod and the gillnet placement rod according to the length of the gillnet;

[0016] The relationship between the length of the connecting column and the length of the barbed wire pick is 1:1.4;

[0017] The above-mentioned relationship between the length of the connecting post and the mesh size of the gillnet is 1.2 times the length of the connecting post and the mesh size of the gillnet;

[0018] The combination of the barbed wire paddle, spring piece and fixing buckle is evenly distributed on the paddle rod.

[0019] The working mode of this device is:

[0020] First, pull all the barbed wire paddles toward the paddle rod and fix them on the buckle. Insert a main rope of the barbed wire into the barbed wire placement rod in sequence. Release the barbed wire paddles from the inside to the outside in sequence so that each node of the barbed wire is blocked by the barbed wire paddles. Once all the installation is completed, the preparation work is completed.

[0021] The launching device is installed on the drone through a fixed lock, one end of the barbed net is fixed at a specified position on the shore, and the drone is operated to fly in the specified direction. When the pulling force of the drone's flight is greater than the blocking force of the blocking paddle on the barbed net rope, the nodes of the barbed net are released one by one, and the barbed net is thrown into the water one by one. After the last node is released, the drone is operated to return to the shore.

[0022] When collecting the net, pull the main rope from the shore to recover it.

[0023] The beneficial effects of the present invention are:

[0024] 1) Make full use of the structural characteristics of the double ropes above the barbed wire, fix one rope evenly, and release it evenly when releasing it.

[0025] 2) After the drone is deployed, the fixed lock can be removed and used for other purposes, achieving multiple uses of one drone;

[0026] 3) In the absence of boats, the gillnet can be dropped into the designated location of the water body. BRIEF DESCRIPTION OF THE DRAWINGS

[0027] Figure 1 The overall schematic diagram of the present invention;

[0028] Figure 2 Schematic diagram of the fixed lock buckle of the present invention;

[0029] Figure 3 A schematic diagram of the preparation state of the present invention;

[0030] Figure 4 A partial enlarged schematic diagram of a gillnet pick of the present invention.

[0031] In the figure: 1—drone, 2—fixed lock, 3—releasing device, 4—gillnet, 201—metal clamp, 202—anti-slip rubber pad, 301—pick rod, 302—gillnet placement rod, 303—connecting column, 304—gillnet pick, 305—shrapnel, 306—fixed buckle. DETAILED DESCRIPTION

[0032] Example 1

[0033] A method for laying a drift net using a drone comprises: a drone 1, a fixing lock 2, and a launching device 3. The drone 1 is a standardized product. The fixing lock 2 is used to fix the launching device 3 on the landing gear of the drone 1. Figure 1 ;

[0034] The fixed lock buckle comprises: a metal hoop 201 and an anti-skid rubber pad 202, wherein the anti-skid rubber pad 202 is located inside the metal hoop 201;

[0035] The placing device 3 includes: a paddle rod 301, a gillnet placing rod 302, a connecting column 303, a gillnet paddle 304, a spring piece 305, and a fixing buckle 306;

[0036] The paddle lever 301 is located above the drift net placement lever 302 and is fixedly connected to the drone 1 via a fixed lock buckle 2;

[0037] The connecting column 303 is located below the paddle rod 301, and connects the paddle rod 301 and the gillnet placing rod 302 to each other by riveting or welding;

[0038] The spring piece 305 is L-shaped, one surface of the L-shaped piece is welded and fixed on the pick rod 301, and the other surface is tightly fitted with the drift net pick piece 304 under the action of elastic force;

[0039] One end of the gillnet paddle 304 is connected to the paddle rod 301 through a hinge, and the other end is tilted against the gillnet placement rod 302 under the elastic force of the spring 305;

[0040] The fixing buckle 306 is fixed on the paddle rod 301. When the razor net paddle 304 is pulled toward the paddle rod 301 against the elastic force of the spring sheet 305, the razor net paddle 304 can be stuck on the fixing buckle 306.

[0041] Determine the length of the paddle rod 301 and the gill net placement rod 302 according to the length of the gill net;

[0042] The length of the connecting column 303 and the length of the razor wire pick 304 are in a ratio of 1:1.4.

[0043] The relationship between the length of the connecting column 303 and the mesh size of the lanceolate mesh is that the length of the connecting column 303 is less than 1.5 times the mesh size of the lanceolate mesh;

[0044] The combination of the above-mentioned razor net paddle 304, spring piece 305, and fixing buckle 306 is evenly distributed on the paddle rod.

[0045] The working mode of this device is:

[0046] First, all the barbed wire paddles 304 are pulled toward the paddle rod 301 and fixed on the fixing buckle 306. A main rope of the barbed wire is inserted into the barbed wire placement rod 302 in sequence. The barbed wire paddles 304 are released in sequence from the inside to the outside, so that each node of the barbed wire is blocked by the barbed wire paddles 304. After all the installations are completed, the preparation work is completed.

[0047] The launching device 3 is installed on the drone 1 through the fixed lock buckle 2, one end of the drift net is fixed at a specified position on the shore, and the drone is operated to fly in the specified direction. When the pulling force of the drone flying is greater than the elastic force of the shrapnel 305 that blocks the drift net paddle 304, the nodes of the drift net are released one by one, and the drift net is thrown into the water one by one. After the last node is released, the drone is operated to return to the shore.

[0048] When collecting the net, pull the main rope from the shore to recover it.

[0049] In addition, it should be understood that although the present specification is described according to implementation modes, not every implementation mode contains only one independent technical solution. This description of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment may also be appropriately combined to form other implementation modes that can be understood by those skilled in the art.

Claims

1. A method for laying gillnets using a drone, characterized in that: Includes the following devices: A drone, a fixing lock, and a launching device, wherein the fixing lock is used to fix the launching device on the landing gear of the drone; The fixed lock buckle comprises: a metal hoop and an anti-skid rubber pad, wherein the anti-skid rubber pad is located inside the metal hoop; The launching device comprises: a paddle rod, a drift net placement rod, a connecting column, a drift net paddle, a spring piece, and a fixing buckle; the paddle rod is located at the top and is fixedly connected to the drone through a fixing buckle; the connecting column is located below the paddle rod, and the paddle rod and the drift net placement rod are connected to each other by riveting or welding; the spring piece is L-shaped, one surface of the L-shaped paddle rod is welded and fixed on the paddle rod, and the other surface is tightly fitted with the gill net paddle under the action of elastic force; one end of the drift net paddle is connected to the paddle rod through a hinge, and the other end is obliquely pressed on the drift net placement rod under the action of the elastic force of the spring piece; the fixing buckle is fixed to the paddle rod, and when the drift net paddle is pulled toward the paddle rod against the elastic force of the spring piece, the drift net paddle is stuck on the fixing buckle; The following steps are involved: 1) All the gillnet paddles are pulled toward the paddle rod and fixed on the fixing buckle. One main rope of the gillnet is inserted into the gillnet placement rod in sequence. The gillnet paddles are released from the inside to the outside in sequence, so that each node of the gillnet is blocked by the gillnet paddle. After all the installation is completed, the preparation work is completed; 2) Install the launching device on the drone through the fixed lock, fix one end of the drift net at the designated position on the shore, and operate the drone to fly in the designated direction. When the pulling force of the drone is greater than the blocking force of the blocking paddle on the drift net rope, the nodes of the drift net are released one by one, and the drift net is thrown into the water one by one. After the last node is released, operate the drone to return to the shore.

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