Automatic fishing device for river crabs

Abstract

The utility model relates to the technical field of catching devices, in particular to an automatic river crab catching device which comprises a collecting net cage, an inserting rod and a door plank, a trapping assembly used for trapping river crabs is arranged over the collecting net cage, the top end of the collecting net cage is located above the water surface, the lower portion of the collecting net cage is fixedly connected with the inserting rod, and the inserting rod is fixedly connected with the door plank. The inserting rod is inserted into the river bottom, a door plate inclining downwards from front to back is arranged on the upper portion of the side, right facing the river surface, of the collecting net cage, the rear end of the door plate is immersed below the water surface, and a turning plate assembly capable of enabling river crabs meeting the weight specification to fall into the collecting net cage after the river crabs climb up is arranged at an opening in the top end of the collecting net cage. The utility model provides a fishing device for automatically fishing river crabs.

Description

TECHNICAL FIELD

[0001] The utility model relates to fishing device technical field especially relates to a kind of river crab automatic fishing device. BACKGROUND

[0002] River crab is delicious, with rich nutrient, is one of important sources of high-quality animal protein of human.River crab is a kind of omnivorous animal, and it usually likes to live in lakes and rivers.River crab in our country is mainly bred in eastern coastal areas and rivers and lakes connected to sea.In more than 30 years of development, river crab breeding industry has realized the advantages of fast growth, short growth cycle and high economic benefit, and become a unique industry in China.

[0003] At present, the fishing device of river crab is mostly ground cage, and it is widely used, but there are some problems:1, the mesh of ground cage is usually small, which makes river crab and other small aquatic animals difficult to escape, resulting in predatory fishing of aquatic resources, not only reducing the number of river crab, but also possibly destroying the balance of aquatic ecosystem, 2, the size of caught river crab cannot be determined, 3, the fishing efficiency is low, and more ground cages are needed, which consumes more manpower and material resources.

[0004] Therefore, it is necessary to design a river crab fishing device with high fishing efficiency and convenient operation, which can quickly fish river crab, improve river crab fishing efficiency and save manpower and material resources. UTILITY MODEL CONTENT

[0005] The utility model aims at providing a kind of river crab automatic fishing device to solve the technical problems in the above background technology.

[0006] To achieve the above object, the technical scheme of the utility model is as follows:

[0007] A kind of river crab automatic fishing device, comprising: collection net cage, plug rod and door plate, the collection net cage is provided with the trapping assembly for trapping river crab on the top, the top of the collection net cage is located above water surface, the lower part of the collection net cage is fixedly connected with plug rod, the plug rod is inserted in river bottom, the upper part of the side of the collection net cage opposite river surface is provided with the door plate that is inclined downward from front to back, the rear end of the door plate is immersed below water surface, the top opening of the collection net cage is provided with the flap assembly that can make river crab of meeting specification weight fall into collection net cage after climbing.

[0008] Further, the collection net cage comprises: a cuboid frame, a smooth hard nylon cloth, a nylon net bag and a tightening rope, the top end of the cuboid frame is located above the water surface, the smooth hard nylon cloth is sleeved and fixed on the upper part of the cuboid frame, the nylon net bag is a tapered net body with a gradually narrowing channel from top to bottom, the nylon net bag is sleeved on the lower part of the cuboid frame from bottom to top, and the upper end of the nylon net bag is detachably fixedly connected to the smooth hard nylon cloth, and the lower end of the nylon net bag is controlled to open or close through the tightening rope.

[0009] Further, four insertion rods are fixedly connected to the bottom end of the cuboid frame at the four corners respectively, the door plate is arranged on the side of the cuboid frame opposite to the river surface, and the flap assembly is arranged at the top end of the cuboid frame.

[0010] Further, it further comprises: a support rod, the support rod is provided with two, one end of the two support rods is fixedly connected to the upper part of the rear end of the cuboid frame on the left and right sides respectively, and the other end of the two support rods is fixedly connected to the outer wall of the door plate on the left and right sides respectively.

[0011] Further, the trapping assembly comprises: a lifting rope, a fishing cage frame and a transparent waterproof sleeve, the fishing cage frame comprises: a rectangular top plate and a support leg, the support leg is provided with four, the top ends of the four support legs are fixedly connected to the four corners of the rectangular top plate symmetrically, the bottom ends of the four support legs are fixedly connected to the four corners of the top end of the cuboid frame symmetrically, a through hole is formed in the middle of the rectangular top plate, one end of the lifting rope is fixedly connected to the river bank, the other end of the lifting rope is inserted through the through hole and fixedly connected with the transparent waterproof sleeve below the rectangular top plate, a storage battery and an LED lamp tube are sequentially arranged in the transparent waterproof sleeve from top to bottom, and the LED lamp tube is electrically connected with the storage battery.

[0012] Further, one end of the lifting rope is fixedly provided with a fixed anchor, and the fixed anchor is inserted and fixed in the soil of the river bank.

[0013] Further, a micro camera is arranged at a position below the LED lamp tube in the transparent waterproof sleeve, the micro camera is electrically connected with the storage battery, and the micro camera is communicatively connected with a remote monitoring device through WIFI.

[0014] Further, the trapping assembly further comprises: a bait net bag, the bait net bag is suspended and fixed at the bottom end of the transparent waterproof sleeve, and the bait net bag contains river crab bait.

[0015] Further, the said flap assembly comprises: gravity flap, counterweight and support shaft, the gravity flap, counterweight and support shaft are provided with two, two gravity flap are hinged in the top left and right sides of the cuboid frame through two support shafts, two gravity flap are oppositely arranged and cooperate with the top opening of the cuboid frame, the outside end of two gravity flap is fixedly connected with two counterweights respectively, the moment of the counterweight is greater than the moment of the gravity flap and less than the sum of the moment of the gravity flap and the moment of the river crab in the gravity flap active end edge position of the conforming specification weight.

[0016] Compared with the prior art, the utility model has the advantages that:

[0017] The utility model discloses novel structure, clever design, high fishing efficiency, strong practicality, high environmental protection, protect the ecological environment, utilize the light of bait net and the phototaxis of river crab, realize the quick trapping of river crab, and the fishing efficiency is high, set up wireless remote monitoring micro -camera can monitor the river crab trapping process at any time, set up gravity flap can help to realize the unified fishing of larger specification river crab, protect the ecological balance, save manpower and material resources, bait is placed in the fine net, reduces the loss in the trapping process, the upper half material of collection net cage is smooth hard nylon cloth, and river crab falls conveniently, and the lower part is foldable nylon net, and both are connected through the lock catch, and convenient replacement, only the bottom is nylon net, can replace, solve the problem of traditional ground cage not durable to a certain extent, and environmental protection is higher, the bottom of net is equipped with the tightening rope, and through tightening and untying, river crab fishing and transfer can be easily realized. BRIEF DESCRIPTION OF DRAWINGS

[0018] Fig. 1 It is the front view schematic diagram of the utility model, and

[0019] Fig. 2 It is the structure schematic diagram of collection net cage in the utility model,

[0020] Fig. 3 It is the working principle diagram of gravity flap in the utility model.

[0021] The sign in the drawing is: 1-hanging pull rope, 2-fishing cage frame, 3-transparent waterproof sleeve, 4-battery, 5-LED lamp tube, 6-micro camera, 7-bait net, 8-gravity flap, 9-counterweight, 10-collection net cage, 11-smooth hard nylon cloth, 12-nylon net, 13-inserting rod, 14-tightening rope, 15-support shaft, 16-door plate, 17-brace rod. DETAILED DESCRIPTION

[0022] The utility model will be further explained in detail in combination with the drawings and examples.

[0023] Referring to Figs. 1-3As shown, an automatic river crab catching device comprises a collecting net cage 10, a plug rod 13 and a door plate 16, the collecting net cage 10 is provided with a trapping assembly above for trapping river crabs, the top end of the collecting net cage 10 is located above the water surface, the lower part of the collecting net cage 10 is fixedly connected with the plug rod 13, the plug rod 13 is inserted into the river bottom, the upper part of the side of the collecting net cage 10 opposite to the river surface is provided with the door plate 16 which is inclined downward from front to back, the rear end of the door plate 16 is submerged below the water surface, and the top end opening of the collecting net cage 10 is provided with a flap assembly which can make the river crab of the specified weight drop into the collecting net cage 10 after climbing up.

[0024] In the embodiment, the collecting net cage 10 comprises a cuboid frame, a smooth hard nylon cloth 11, a nylon mesh bag 12 and a tightening rope 14, the top end of the cuboid frame is located above the water surface, the smooth hard nylon cloth 11 is sleeved and fixed on the upper part of the cuboid frame, and the smooth hard nylon cloth 11 facilitates the falling of the river crab; the nylon mesh bag 12 is a tapered net body with a gradually narrowing channel from top to bottom, the nylon mesh bag 12 is sleeved on the lower part of the cuboid frame from bottom to top, the nylon mesh bag 12 is foldable, the upper end of the nylon mesh bag 12 is detachably fixed on the smooth hard nylon cloth 11 through a lock buckle, and the lower end of the nylon mesh bag 12 is controlled to open or close through the tightening rope 14; the river crab catching and transferring can be easily realized.

[0025] In the embodiment, the bottom end of the cuboid frame is fixedly connected with four plug rods 13 at four corners respectively, the door plate 16 is arranged on the side of the cuboid frame opposite to the river surface, the arrangement of the door plate 16 facilitates the river crab to climb up the flap assembly through the door plate 16, the flap assembly is arranged on the top end of the cuboid frame, and the flap assembly comprises a gravity flap 8, a counterweight 9 and a support shaft 15, the gravity flap 8, the counterweight 9 and the support shaft 15 are all provided with two, the two gravity flaps 8 are hingedly connected to the top end of the cuboid frame at left and right sides through two support shafts 15, the two gravity flaps 8 are oppositely arranged and cooperated with the top end opening of the cuboid frame, the outer side ends of the two gravity flaps 8 are fixedly connected with two counterweights 9 respectively, the moment of the counterweight 9 is greater than the moment of the gravity flap 8 and less than the sum of the moment of the river crab of the specified weight at the edge position of the movable end of the gravity flap 8 and the moment of the gravity flap 8, when the river crab of the specified weight climbs up the gravity flap 8, the gravity flap 8 is turned down, thereby making the river crab fall into the collecting net cage 10, completing the crab catching action, and then automatically retracting to prevent the river crab from escaping.

[0026] In the embodiment, the automatic river crab catching device further comprises a support rod 17, the support rod 17 is provided with two, one end of the two support rods 17 is fixedly connected to the upper part of the rear end of the cuboid frame at left and right sides respectively, and the other end of the two support rods 17 is fixedly connected to the outer wall of the door plate 16 at left and right sides respectively, the stability of the door plate 16 can be improved through the arranged support rod 17.

[0027] In the embodiment, the trapping assembly comprises: a pull rope 1, a fishing cage frame 2 and a transparent waterproof sleeve 3, the fishing cage frame 2 comprises: a rectangular top plate and four supporting legs, the four supporting legs are symmetrically fixed at the four corners of the rectangular top plate, the bottom ends of the four supporting legs are symmetrically fixed and connected at the four corners of the top end of the cuboid frame, a through hole is formed in the middle of the rectangular top plate, a fixed anchor is fixedly connected to one end of the pull rope 1, the fixed anchor is inserted and fixed in the soil at the river bank, the other end of the pull rope 1 is arranged through the through hole and is fixedly connected with the transparent waterproof sleeve 3 below the rectangular top plate, a storage battery 4 and an LED lamp tube 5 are sequentially arranged in the transparent waterproof sleeve 3 from top to bottom, the LED lamp tube 5 is electrically connected with the storage battery 4; the trapping assembly further comprises: a bait net 7, the bait net 7 is hung and fixed at the bottom end of the transparent waterproof sleeve 3, the bait net 7 is provided with fishy bait to trap river crabs; the bait net has fine mesh, so that bait loss is reduced; the light attraction of the river crabs and the fishy bait in the bait net 7 are utilized to trap the river crabs.

[0028] In the embodiment, a micro camera 6 is arranged at a position below the LED lamp tube 5 in the transparent waterproof sleeve 3, the micro camera 6 is electrically connected with the storage battery 4, the micro camera 6 is in communication connection with a remote monitoring device through WIFI, and the river crab trapping process can be remotely monitored at any time through the micro camera 6.

[0029] Working principle: the operator places the device in water through the four inserting rods 13, so that the top end of the collecting net cage 10 is located above the water surface, and the rear end of the door plate 16 is submerged below the water surface as the entrance for the river crabs to climb from the water to the fishing cage frame 2, then the transparent waterproof sleeve 3 is hung on the fishing cage frame 2 through the pull rope 1, the pull rope 1 is fixed in the soil at the river bank through the fixed anchor; the gravity flap 8 is kept above the water surface; the LED lamp tube 5 is turned on in advance to attract the river crabs in water; the fishy bait is put in the bait net 7 and hung on the bottom hanging ring of the transparent waterproof sleeve 3 to play the role of decoy; the gravity flap 8 on the collecting net cage 10 is in a horizontal position under normal circumstances; when the river crab meeting the weight requirement specification climbs onto the gravity flap 8, the gravity flap 8 is turned down, so that the river crab falls into the collecting net cage 10 to complete the crab catching action, and then automatically retracts to prevent the river crab from escaping.

[0030] In the description of the utility model, it should be explained that the terms "upper", "lower", "left", "right", "inner", "outer", "top / bottom end" and the like indicate the orientation or positional relationship shown in the drawings, which is only for the convenience of describing the utility model and simplifying the description, and does not indicate or imply that the indicated device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the utility model.

[0031] The above merely describes preferred embodiments of the present application, and is not intended to limit the present application in any form. Any modification, equivalent replacement, and improvement of the above embodiments made by any person skilled in the art, without departing from the technical scope of the present application, shall fall within the protection scope of the present application.

Claims

1. An automatic crab catching device, characterized in that: include: A collecting net cage (10), an insertion rod (13) and a door panel (16); a trapping assembly for trapping river crabs is arranged directly above the collecting net cage (10); the top of the collecting net cage (10) is located above the water surface; the lower part of the collecting net cage (10) is fixedly connected with the insertion rod (13); the insertion rod (13) is inserted into the river bottom; the upper part of the side of the collecting net cage (10) facing the river surface is provided with a door panel (16) tilted downward from front to rear; the rear end of the door panel (16) is immersed under the water surface; the top opening of the collecting net cage (10) is provided with a flap assembly that can cause river crabs that meet the specified weight to fall into the collecting net cage (10) after climbing up.

2. The automatic crab catching device according to claim 1, characterized in that: The collecting net cage (10) comprises: a rectangular frame, a smooth hard nylon cloth (11), a nylon net bag (12) and a tightening rope (14), the top of the rectangular frame is located above the water surface, the smooth hard nylon cloth (11) is fixedly mounted on the upper part of the rectangular frame, the nylon net bag (12) is a conical net body with a passage gradually narrowing from top to bottom, the nylon net bag (12) is mounted on the lower part of the rectangular frame from bottom to top, and the upper end of the nylon net bag (12) is detachably fixedly connected to the smooth hard nylon cloth (11), and the lower end of the nylon net bag (12) is controlled to open or close by the tightening rope (14).

3. The automatic crab catching device according to claim 2, characterized in that: Four plug rods (13) are fixedly connected to the four corners of the bottom end of the rectangular parallelepiped frame respectively, the door panel (16) is arranged on the side of the rectangular parallelepiped frame facing the river surface, and the flap assembly is arranged on the top end of the rectangular parallelepiped frame.

4. The automatic crab catching device according to claim 3, characterized in that: Also includes: Two support rods (17) are provided, one end of the two support rods (17) is fixedly connected to the left and right sides of the upper rear end of the rectangular parallelepiped frame, and the other end of the two support rods (17) is fixedly connected to the left and right sides of the outer wall of the door panel (16).

5. The automatic crab catching device according to claim 2, characterized in that: The trapping assembly comprises: a suspension rope (1), a fishing cage frame (2) and a transparent waterproof sleeve (3); the fishing cage frame (2) comprises: a rectangular top plate and supporting legs; the supporting legs are provided with four, the top ends of the four supporting legs are symmetrically fixed at the four corners of the rectangular top plate, and the bottom ends of the four supporting legs are symmetrically fixedly connected at the four corners of the top of the rectangular parallelepiped frame; a through hole is provided in the middle of the rectangular top plate; one end of the suspension rope (1) is fixedly connected to the river bank; the other end of the suspension rope (1) passes through the through hole and is fixedly connected to the transparent waterproof sleeve (3) below the rectangular top plate; a battery (4) and an LED lamp (5) are sequentially provided in the transparent waterproof sleeve (3) from top to bottom; and the LED lamp (5) is electrically connected to the battery (4).

6. The automatic crab catching device according to claim 5, characterized in that: One end of the suspension rope (1) is fastened with a fixed anchor, and the fixed anchor is inserted and fixed in the soil at the river bank.

7. The automatic crab catching device according to claim 5, characterized in that: A miniature camera (6) is provided in the transparent waterproof sleeve (3) at a position below the LED light tube (5); the miniature camera (6) is electrically connected to the battery (4); and the miniature camera (6) is connected to a remote monitoring device via WIFI communication.

8. The automatic crab catching device according to claim 5, characterized in that: The trapping component further comprises: a bait net bag (7), the bait net bag (7) being hung and fixed on the bottom end of the transparent waterproof sleeve (3), and the bait net bag (7) containing river crab bait.

9. The automatic crab catching device according to claim 3, characterized in that: The flap assembly comprises: a gravity flap (8), a balancing weight (9) and a support shaft (15). The gravity flap (8), the balancing weight (9) and the support shaft (15) are each provided with two. The two gravity flaps (8) are hinged to the left and right sides of the top end of the rectangular parallelepiped frame through the two support shafts (15). The two gravity flaps (8) are arranged opposite to each other and matched with the top opening of the rectangular parallelepiped frame. The outer ends of the two gravity flaps (8) are respectively fixedly connected to two balancing weights (9). The torque of the balancing weight (9) is greater than the torque of the gravity flap (8) and less than the sum of the torque of the river crab of the standard weight at the edge position of the movable end of the gravity flap (8) and the torque of the gravity flap (8).

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