CN117441684A - Deep water fishery fishing device and method - Google Patents

Abstract

The invention relates to the field of fishing, in particular to a deep water fishing device and a method, comprising a fishing cage, wherein the upper end of the fishing cage is provided with a mounting plate in a detachable way, the middle part of the upper end of the mounting plate is provided with a lifting rope, the outer side surface of the fishing cage is slidably sleeved with a fishing box, the outer side surfaces of the fishing cage in the length direction are symmetrically provided with fish inlets, the inner wall of the fishing cage is provided with a limiting mechanism at a position close to the corresponding fish inlet, the position in the fishing box corresponding to the fish inlet is provided with an auxiliary mechanism, dredging mechanisms are commonly arranged between the corresponding limiting mechanisms, a fish attracting mechanism is arranged above the dredging mechanisms in the fishing cage, and a fish placing mechanism is commonly arranged between the bottom of the fishing cage and the inner bottom wall of the fishing box; the invention can indirectly achieve the effect of opening and closing the corresponding fish inlet pipe passage by controlling the volume of the annular air bag, and avoid the condition that fish entering the fishing cage escapes, thereby influencing the fishing efficiency and the fishing quantity.

Description

Deep water fishery fishing device and method

Technical Field

The invention relates to the field of fishing, in particular to a device and a method for fishing in deep water.

Background

The fishing in deep water is to catch the aquatic animals and plants such as fish, shrimp and crab in the sea or lake, the current fishing device generally uses a fishing net scattering mode, then the net is collected to form a closed space, aquatic fishes in the net can be caught, and in the process of scattering the fishing net to the collecting net, part of fishes can actually run out from the opening of the fishing net, so that the fishing efficiency is not high.

Along with the progress of science and technology, the process of fishing is optimized by related field technicians, for more accurate comparison, for example, chinese patent publication No. CN111802339B discloses a fishing tool, which comprises a winding and unwinding rope, an annular air pipe and a fishing net positioned below the annular air pipe, wherein the periphery of the fishing net is uniformly provided with a plurality of limiting ropes, the annular air pipe is uniformly provided with a plurality of limiting rings which are arranged in one-to-one correspondence with the limiting ropes, each limiting rope is respectively inserted in the corresponding limiting ring, one end of each limiting rope which is not connected with the fishing net is fixedly connected with a limiting ball with the diameter larger than the inner diameter of the limiting ring, the periphery of the fishing net is also uniformly provided with a plurality of pull ropes, and one end of each pull rope which is not connected with the fishing net is fixedly connected with the same end of the winding and unwinding rope; when the fishing tool is used, the fishing tool is put into water at a position far away from a fish swarm, then the fishing tool is slowly moved to a water area close to the fish swarm through the matching of the adjusting rope and the C-shaped air pipe, after the fish swarm enters the upper part of the fishing net under the attraction of the bait, the fish swarm can fight against the bait and further swim downwards along the fishing net, and in the process, the movable space of the fish swarm is gradually reduced, so that the fish swarm is difficult to escape; after most of the fish shoal enters the fishing net or above the fishing net, the fishing net is retracted to catch the fish shoal, so that the fishing effect is realized.

However, when the above prior art is used for filtering vegetable oils, there are also the following problems: 1. this device is through setting up the fishing net in the tracheal below of annular, both utilize spacing rope connection during fishing for form the passageway that is used for the shoal to get into between fishing net and the annular trachea, pull up the fishing net through the stay cord when receiving the net, make above-mentioned passageway by quick closure, nevertheless because the whole of fishing net presents the toper tube-shape, fish's activity space is less, when fish is attracted the passageway of wandering into between fishing net and the annular trachea by the bait, can gather earlier in the passway department between fishing net and tracheal, can not move down earlier under the condition that does not receive external factor to interfere with, thereby lead to causing the jam to the passway department, prevented other fish that lie in outside the fishing net from getting into the fishing net through the passageway, influence fishing efficiency.

2. The fish can float and gather in the passageway department of fishing net upper end earlier in this device, in the in-process of receiving the net upwards, the fish of passageway department can be frightened and swim out the fishing net, has reduced the quantity of catching the fish to because the space that can supply the fish activity in the fishing net is less, the fish can take place the condition of wandering everywhere after getting into the fishing net, has increased fish and has wandered the probability of going out the fishing net, and fish wandering can increase the probability of injury, influences quality and the income of fishing.

Thus, under the above stated point of view, there is still room for optimisation of the way in which prior art deepwater fishery resources are caught.

Disclosure of Invention

In order to solve the problems, the invention provides a fishing device for deep water, which comprises a fishing cage, wherein the upper end of the fishing cage is provided with a mounting plate in a detachable mode, the middle part of the upper end of the mounting plate is provided with a lifting rope, the outer side surface of the fishing cage is slidably sleeved with a fishing box, the outer side surfaces of the fishing cage in the length direction are symmetrically provided with fish inlets, the inner wall of the fishing cage is provided with a limiting mechanism close to the position corresponding to the fish inlets, the limiting mechanism comprises a fish inlet pipe arranged on the inner wall of the fish inlet, the position corresponding to the fish inlets in the fishing box is provided with an auxiliary mechanism, the auxiliary mechanism comprises a round cover plate which is in sliding fit with the corresponding fish inlet pipe, a dredging mechanism is jointly arranged between the corresponding limiting mechanisms, the dredging mechanism comprises a driving motor arranged at the lower end of the cover plate through a motor seat, a food calling mechanism is arranged above the dredging mechanism in the fishing cage, the food calling mechanism comprises a connecting plate connected with the dredging mechanism, and a fish releasing mechanism is arranged between the bottom of the fishing cage and the inner bottom of the fishing box.

Preferably, stop gear still include annular plate, driven slider, shaped plate, unblock unit, direction vaulting pole, stopper, pressure spring, the spring arm that resets, the sliding block, arc and arc pole, advance the fixed annular plate that is provided with the transversal U shape that personally submits of fish pipe inner wall, the driven slider of a plurality of "" font structures of being equipped with is worn through sliding fit's mode symmetry in the annular plate, driven slider's lateral surface is provided with shaped plate through sliding butt's mode, and driven slider is located the part of annular plate and inserts and establish in the shaped plate that corresponds, sliding in the shaped plate is provided with the unblock unit that offsets tightly with driven slider, the unblock unit includes shaped plate in the sliding arrangement and runs through the annular plate, the one end level that the dredging mechanism was kept away from to shaped plate is provided with the direction vaulting pole that slides and runs through the annular plate, the one end that the shaped plate was kept away from to the direction vaulting pole is provided with the stopper, the lateral surface cover of direction vaulting pole is equipped with the pressure spring that resets that is located between corresponding stopper and the annular plate, the opposite side of driven slider all rotates and is provided with the spring arm, the one end rotation of driven slider is kept away from the driven slider is provided with the sliding block, the relative side of the side that is located the annular plate is located the opposite side of annular plate and is provided with the relative arc plate through sliding fit's profile and the arc that is close to the arc pole, and is connected with the arc shaped plate.

Preferably, the unlocking unit further comprises an annular frame plate, an annular air bag, an air charging pipe, an air outlet pipe, an air leakage component, a pressing plate, a tight propping column, a propping block, a reset spring and a fixed annular plate, wherein the annular frame plate is sleeved on the outer side surface of one end of the fish feeding pipe in the fishing cage, the annular air bag corresponding to the outer side surface of the fish feeding pipe is arranged in the annular frame plate in a sleeved mode, the upper end of the annular air bag is communicated with the air charging pipe penetrating the annular frame plate, the lower end of the annular air bag is communicated with the air outlet pipe penetrating the annular frame plate, the air leakage component is arranged at the lower end of the air outlet pipe, a plurality of arc-shaped pressing plates are in sliding butt connection with the inner side of the annular air bag, the corresponding pressing plates are distributed in an annular mode and are attached to the outer side surface of the corresponding fish feeding pipe, the tight propping column penetrating the corresponding fish feeding pipe is arranged on the opposite sides of the corresponding pressing plates, one end of the tight propping column far away from the corresponding pressing plate is connected with the corresponding folding plate in a sliding butt mode, one end far away from the corresponding folding plate is provided with the reset spring, and one end far away from the corresponding folding plate is provided with the fixed annular plate connected with the inner wall of the corresponding fish feeding pipe.

Preferably, the air release assembly comprises an air release pipe, an air guide pipe, a sealing block, a connecting round rod, a supporting spring, a connecting rope, a connecting cylinder and a limiting pulley, wherein the air release pipe is sleeved at the lower end of the corresponding air outlet pipe, a plurality of air release holes are uniformly formed in the side wall of the air release pipe, the air guide pipe is sleeved on the outer side surface of the air release pipe, the air guide holes are formed in the lower end of the air guide pipe, the sealing block is slidably arranged in the air release pipe, the connecting round rod penetrating through the bottom of the air release pipe and the bottom of the air guide pipe is vertically arranged at the lower end of the sealing block, the supporting spring located between the corresponding sealing block and the bottom wall of the air release pipe is sleeved on the outer side surface of the connecting round rod, the connecting rope penetrates through the fishing cage at one end of the connecting round rod, and is upwardly provided with the connecting cylinder which is slidably sleeved on the outer side surface of the lifting rope in a joint mode, and the limiting pulley connected with the inner wall of the fishing cage is arranged below the corresponding annular air bag air outlet pipe.

Preferably, the auxiliary mechanism further comprises a support column and a through hole, the corresponding cover plate is connected with the fishing box through the support column, the corresponding through hole is arranged on the side wall of the fishing box corresponding to the position of the fish inlet, and the through hole is located above the corresponding cover plate.

Preferably, the dredging mechanism further comprises a reciprocating screw rod, supporting laths, linkage blocks, strip-shaped connecting rods, supporting rods, dredging heads and limiting rods, the lower end of the output shaft of the driving motor is provided with the reciprocating screw rod, two crossed threads are arranged on the outer side face of the reciprocating screw rod, at least two supporting laths which are in a cross structure are sleeved on the outer side face of the reciprocating screw rod in a horizontal rotating mode, the end parts of the supporting laths are connected with corresponding annular frame plates, the corresponding supporting laths are symmetrically distributed along the axis direction of the fish feeding pipe, the linkage blocks located between the supporting laths are sleeved on the outer side face of the reciprocating screw rod in a threaded mode, the strip-shaped connecting rods are rotatably arranged on the outer side face of the reciprocating screw rod in a horizontal rotating mode, the supporting rods are arranged on the other end of the strip-shaped connecting rods in a horizontal rotating mode, the outer side face of the supporting rods is provided with the dredging heads which are in a circular arc structure in a corresponding mode, the outer side face of the dredging heads are sleeved with the artificial baits which are in a fish-shaped structure, and the outer side faces of the supporting rods are provided with at least two limiting rods connected with the supporting strip plates.

Preferably, the feeding mechanism further comprises a grid plate and a fish attracting box, the connecting plate is fixedly sleeved on the outer side face of the reciprocating screw rod, the outer side face of the reciprocating screw rod is further rotatably sleeved with the grid plate which is located below the connecting plate and is in sliding fit with the inner wall of the fishing cage, the upper end of the grid plate is provided with the fish attracting box connected with the connecting plate in a sliding fit mode, and the outer side face of the fish attracting box is evenly provided with a plurality of water inlet holes.

Preferably, the fish placing mechanism comprises a grid plate, a plate, a vertical pushing plate, a fish outlet, a half-ring plate and a fish outlet pipe, wherein the grid plate is arranged at the lower end of the inner wall of the fishing cage in a sliding fit manner, plates which penetrate through the inner bottom wall of the fishing cage in a sliding manner are symmetrically arranged at the lower end of the grid plate, the vertical pushing plate corresponding to the plate is arranged at the inner bottom of the fishing cage, the fish outlet is formed in the inner bottom wall of the fishing cage, at least four half-ring plates are symmetrically arranged on the inner wall of the fish outlet in a rotating manner, and the middle part of one end of the half-ring plate close to the inner wall of the fish outlet is connected with the fish outlet through a torsion spring.

In addition, the invention also provides a deep water fishery fishing method, which comprises the following steps:

S1: the annular air bag is inflated by the aid of the inflator pump, the limiting mechanism is unlocked through the unlocking unit after the annular air bag is inflated, and the corresponding fish inlet pipe channel can be opened, so that when fish enters the fishing cage through the fish inlet pipe, the arc plate can be placed in the fishing cage through entering the fishing cage without influencing the fish, and then the fishing cage and the fishing slow box are placed in the position to be caught in deep water through the lifting rope.

S2: after the fishing cage and the fishing box reach the position in the water, the fishing box can drive the auxiliary mechanism to slide downwards along the outer side surface of the fishing cage due to the influence of gravity of the fishing box, so that the through holes can be communicated with the corresponding fish inlet pipes, and fish positioned outside the fishing cage can be put into the fishing cage.

S3: the fish attracting mechanism is driven to rotate through the output shaft of the driving motor, so that the speed of the bait smell in water is accelerated, the bait in the fish attracting box can attract fishes in deep water into the fishing cage, and meanwhile, the corresponding dredging head can be indirectly driven to reciprocate transversely in the corresponding fish inlet pipe through the driving motor, and the corresponding fish inlet pipe is dredged.

S4: after fishing, the air leakage component is pulled upwards, and the air leakage component can release air in the corresponding annular air bag, so that the limiting mechanism can seal the corresponding fish inlet pipe channel again.

S5: when the air leakage component is pulled upwards, the fishing box on the outer side face of the fishing cage is pulled, and the fishing box can drive the fish placing mechanism and the auxiliary mechanism to move upwards in the upward moving process, so that the auxiliary mechanism seals the inlet end of the corresponding fish inlet pipe again, and the fishing device can be used for placing the fishing device with smaller volume in the fishing cage through the fish placing mechanism.

In summary, the present application includes at least one of the following beneficial technical effects:

1. according to the invention, the outward opening limiting mechanism is arranged on the outer side surface of the fishing cage, so that the opening and closing of the fish inlet channel can be controlled by correspondingly arranging the arc-shaped plates to rotate when the fishing cage is used for fishing and after the fishing is completed, the fish escaping action is avoided to a great extent when the fish is harvested, and the fishing efficiency is increased.

2. According to the invention, the annular air bags are inflated, so that the inflated annular air bags can push the corresponding pressing plates, the abutting columns, the abutting blocks and the folded plates to move towards the direction close to the dredging mechanism, and then the corresponding guide supporting rods and limiting blocks are indirectly driven to move towards the direction close to the dredging mechanism through the movement of the folded plates, so that the effect that the limiting blocks and the spring rods can release the abutting limiting effect on the corresponding arc plates is achieved, the corresponding arc plates can not block the fish from entering the fishing cage when the fish passes, and meanwhile, the effect that a plurality of arc plates in the fish inlet pipe can abut together after the fish passes can be achieved through the mode that the arc plates push the corresponding spring rods, the condition that the fish swims out of the fishing cage is avoided, and the fishing efficiency of the fishing cage is improved.

3. After fishing, the connecting sleeve and the connecting rope are manually pulled upwards, and the corresponding sealing blocks are separated from contact with the air outlet pipe, so that air in the annular air bag can be discharged through the corresponding air outlet pipe, the air outlet pipe and the air guide pipe, the abutting of the annular air bag on the corresponding pressing plate and the abutting blocks is further relieved, the corresponding reset pressure spring and the reset spring are not stressed to be compressed, and the reset pressure spring and the reset spring are restored to normal stretching states to drive the corresponding limiting blocks and the spring rods to abut and limit the corresponding arc plates again, so that the condition that fish in a fishing cage escapes is avoided.

4. According to the invention, the output end of the driving motor drives the reciprocating screw rod to rotate, then the linkage block can reciprocate in the vertical direction by virtue of the threads on the reciprocating screw rod, the linkage block moves to drive the connecting bar rod to rotate and push and pull the corresponding supporting rod, the dredging head and the artificial bait sleeved on the dredging head to reciprocate transversely, so that the effect of dredging the fish blocked in the corresponding fish inlet pipe is realized, and the probability of the fish entering the fishing cage can be increased when the artificial bait sleeved on the corresponding dredging head moves along with the dredging head, so that the effect of increasing the fishing efficiency of the fishing cage is achieved.

5. According to the invention, the bottom of the fishing cage is provided with the fish outlet, and the bottom of the fishing box is communicated with the fish outlet pipe, so that the fish with smaller volume entering the fishing cage can swim out of the fishing cage, and sustainable development of fishery resources is realized.

Drawings

The invention will be further described with reference to the drawings and examples.

Fig. 1 is a schematic structural view of the present invention.

Fig. 2 is a schematic cross-sectional view of a first view of a portion of the structure of the present invention.

Fig. 3 is a schematic structural view of the limiting mechanism of the present invention.

Fig. 4 is a schematic cross-sectional view of a portion of the structure of the present invention at a second viewing angle.

Fig. 5 is a schematic cross-sectional view of the structure at the unlocking unit of the present invention.

Fig. 6 is a schematic cross-sectional view of a portion of the structure of the venting assembly of the present invention.

Fig. 7 is a schematic view of the structure of the present invention where the cylinders are connected.

Fig. 8 is a schematic structural view of the auxiliary mechanism of the present invention.

FIG. 9 is a schematic view of the dredging mechanism of the present invention.

FIG. 10 is a schematic structural view of the feeding mechanism of the present invention.

Fig. 11 is a schematic structural view of the fish-laying mechanism of the present invention.

In the figure, 1, a fishing cage; 10. a mounting plate; 11. a hanging rope; 12. a fish inlet; 2. a fishing box;

3. a limiting mechanism; 30. a fish inlet pipe; 31. an annular plate; 32. a driven slide block; 33. plate; 34. an unlocking unit; 340. a folded plate; 341. an annular frame plate; 342. an annular air bag; 343. an inflation tube; 344. an air outlet pipe; 45. a venting assembly; 320. a gas discharge tube; 321. an air duct; 322. a sealing block; 323. connecting round rods; 324. a spring is abutted tightly; 325. a connecting rope; 326. a connecting cylinder; 327. a limit pulley; 346. a pressing plate; 347. abutting the column; 348. abutting blocks; 349. a return spring; 3410. a fixed ring plate; 35. a guide stay bar; 37. a limiting block; 38. resetting a pressure spring; 39. a spring rod; 310. a sliding block; 311. an arc-shaped plate; 312. an arc-shaped rod;

4. An auxiliary mechanism; 40. a cover plate; 41. a support column; 42. a through hole;

5. a dredging mechanism; 50. a driving motor; 51. a reciprocating screw rod; 52. a support slat; 53. a linkage block; 54. a bar-shaped connecting rod; 55. a support rod; 56. dredging the head; 57. a limit rod;

6. a food attracting mechanism; 60. a connecting plate; 61. a grid plate; 62. a fish luring box;

7. a fish placing mechanism; 70. a grid plate; 71. plate; 72. a vertical push plate; 73. a fish outlet; 74. a semi-annular plate; 75. and (5) discharging the fish tube.

Detailed Description

Embodiments of the present invention are described in detail below with reference to fig. 1 through 11, but the present invention may be embodied in a number of different manners, which are defined and covered by the claims.

The embodiment of the application discloses a deep water fishery fishing device and a method, which are described that the deep water fishery fishing device is mainly applied to the process of trapping fishes in deep water, and can realize the effect of trapping the fishes into a fishing cage in technical effect; particularly, after fishing is completed, the effect of opening and closing the corresponding fish inlet pipe can be indirectly achieved through the annular air bag, so that the condition that fishes entering the fishing cage escape is avoided, and the fishing efficiency and the fishing quantity are affected; in addition, the deep water fishery fishing device also releases the small-volume fishing device in the fishing cage in a mode of arranging the fish outlet at the bottom, so that the sustainable development of fishery resources is realized.

Embodiment one:

referring to fig. 1 and 2, a deep water fishery fishing device comprises a fishing cage 1, a mounting plate 10, a lifting rope 11, a fishing box 2, a fish inlet 12, a limiting mechanism 3, an auxiliary mechanism 4, a dredging mechanism 5, a feeding mechanism 6 and a fish placing mechanism 7, wherein the mounting plate 10 is detachably arranged at the upper end of the fishing cage 1, and the mounting plate 10 can be convenient for taking out fish captured in the fishing cage 1 after being detached from the top end of the fishing cage 1; a lifting rope 11 is arranged in the middle of the upper end of the mounting plate 10, and the lifting rope 11 is used for lifting the fishing cage 1 and the fishing box 2 to be placed in deep water for fishing; the fishing cage 1 is characterized in that the fishing box 2 is sleeved on the outer side face of the fishing cage 1 in a sliding manner, the fish inlet 12 is symmetrically formed in the outer side face of the fishing cage 1 in the length direction, the limiting mechanism 3 is arranged at the position, close to the corresponding fish inlet 12, of the inner wall of the fishing cage 1, the limiting mechanism 3 comprises a fish inlet pipe 30 arranged on the inner wall of the fish inlet 12, and the limiting mechanism 3 is used for controlling fish in and out of the corresponding fish inlet pipe 30; the fishing box 2 is internally provided with an auxiliary mechanism 4 at a position corresponding to the fish inlet 12, the auxiliary mechanism 4 comprises a round cover plate 40 which is in sliding fit with the corresponding fish inlet pipe 30, and the auxiliary mechanism 4 is used for closing and unsealing the pipe orifice of the fish inlet pipe 30 extending out of the fishing cage 1.

Further, a dredging mechanism 5 is commonly arranged between the corresponding limiting mechanisms 3, the dredging mechanism 5 comprises a driving motor 50 arranged at the lower end of the cover plate 40 through a motor seat, and the dredging mechanism 5 is used for dredging the channel in the corresponding fish inlet pipe 30, so that the fish is prevented from blocking the fish inlet pipe 30, and the outside fish cannot enter the fishing cage 1 through the fish inlet pipe 30; a food attracting mechanism 6 is arranged above the dredging mechanism 5 in the fishing cage 1, the food attracting mechanism 6 comprises a connecting plate 60 connected with the dredging mechanism 5, and the fish attracting mechanism is used for attracting fish and attracting the fish into the fishing cage 1; a fish placing mechanism 7 is arranged between the bottom of the fishing cage 1 and the inner bottom wall of the fishing box 2, and the fish placing mechanism 7 is used for placing fishes with smaller volume entering the fishing cage 1.

In the specific implementation process, the limit mechanism 3 can prevent the fish entering the fishing cage 1 from escaping, so that the fishing efficiency of the fishing cage 1 and the quantity of the retained fish are improved; the auxiliary mechanism 4 can seal the corresponding fish inlet 12, so that the fish entering the fishing cage 1 is further prevented from escaping; the corresponding fish inlet channel in the limiting mechanism 3 can be dredged through the dredging mechanism 5, so that the phenomenon that fish blocks the fish inlet channel to influence the fishing effect of the fishing cage 1 is avoided; the fish induction can be concentrated outside the fishing cage 1 through the fish induction mechanism, and the fish is induced to enter the fishing cage 1, so that the fish is trapped; the fish in a small volume entering the fishing cage 1 can be released through the fish releasing mechanism 7, so that excessive fishing of fish fries is avoided, and sustainable development of fishery resources is affected.

Referring to fig. 3, a limiting mechanism 3 for controlling the ingress and egress of fish in the respective fish feed pipe 30; specifically, the limiting mechanism 3 comprises a fish inlet pipe 30, an annular plate 31, a driven sliding block 32, a -shaped plate 33, an unlocking unit 34, a guide stay bar 35, a limiting block 37, a reset pressure spring 38, a spring rod 39, a sliding block 310, an arc-shaped plate 311 and an arc-shaped rod 312, wherein the annular plate 31 with a U-shaped cross section is fixedly arranged on the inner wall of the fish inlet pipe 30, a plurality of driven sliding blocks 32 with a -shaped structure are symmetrically arranged in the annular plate 31 in a penetrating manner in a sliding fit manner, a -shaped plate 33 is arranged on the outer side surface of the driven sliding block 32 in a sliding abutting manner, the part of the driven sliding block 32 positioned in the annular plate 31 is inserted in the corresponding -shaped plate 33, and the driven sliding block 32 is driven to transversely move by the -shaped plate 33 on the annular plate 31; the plate 33 is provided with an unlocking unit 34 in a sliding manner, which is abutted against the driven sliding block 32, the unlocking unit 34 comprises a plate 33, a folded plate 340 penetrating through the annular plate 31 is arranged in a sliding manner, and the unlocking unit 34 is used for releasing the limit of the limiting mechanism 3 on the inner passage of the fish feeding tube 30.

Further, a guide stay bar 35 which penetrates through the annular plate 31 in a sliding manner is horizontally arranged at one end, far away from the dredging mechanism 5, of the plate 33, and the guide stay bar 35 moves to drive the plate 33 to transversely move; a limiting block 37 is arranged at one end, far away from the -shaped plate 33, of the guide stay bar 35, and the limiting block 37 is driven to transversely move by the movement of the guide stay bar 35; the outer side surface of the guide stay bar 35 is sleeved with a reset pressure spring 38 positioned between the corresponding limiting block 37 and the annular plate 31, and the reset pressure spring 38 is used for enabling the moving limiting block 37 to return to the original position; the opposite sides of the driven sliding blocks 32 are respectively provided with a spring rod 39 in a rotating mode, the driven sliding blocks 32 move along the annular plate 31 to drive the spring rods 39 to move, and the spring rods 39 rotate along the connecting positions of the corresponding driven sliding blocks 32 after being stressed.

Further, a sliding block 310 is rotatably arranged at one end of the spring rod 39 away from the driven sliding block 32, the sliding block 310 is driven to transversely move by the transverse movement of the spring rod 39, and the spring rod 39 is compressed by being pushed by external force and rotates by the sliding block 310; the opposite sides of the sliding block 310 are provided with arc plates 311 in a sliding fit manner, and the sliding block 310 slides along the surfaces of the corresponding arc plates 311; the arc plates 311 are in the corresponding fish inlet pipe 30 in annular distribution, an arc rod 312 made of elastic materials is arranged on one side, close to the fishing box 2, of the arc plates 311, the arc rod 312 is rotationally connected with the fish inlet pipe 30, and when the arc plates 311 rotate through the inner wall of the fish inlet pipe 30 when smoke of the arc rods 312 enters the fish inlet pipe 30, the arc rods 312 are driven to elastically deform to a certain extent, so that corresponding rotation is completed in the corresponding fish inlet pipe 30.

In the specific implementation process, the corresponding -shaped plate 33, the driven sliding block 32, the supporting guide rod and the limiting block 37 are driven by the unlocking unit 34 to move in the annular plate 31 towards the direction close to the dredging mechanism 5, so that the limiting block 37 releases the tight limit of the arc-shaped plate 311 and the arc-shaped rod 312, the limiting block 37 compresses the reset pressure spring 38 after moving, the corresponding spring rod 39 and the sliding block 310 are driven by the driven sliding block 32 to move towards the direction close to the dredging mechanism 5, the spring rod 39 can be restored to a normal stretching state after moving and the tight limit of the corresponding arc-shaped plate 311 is released, and therefore the arc-shaped plate 311 can rotate a certain angle through the arc-shaped rod 312 in large-volume fish, and the fish can enter the fishing cage 1 through the corresponding fish inlet pipe 30.

It should be noted that, in the state where the corresponding unlocking unit 34 is not triggered, the plate 33 and the driven sliding block 32 are located at one end, far away from the dredging mechanism 5, of the annular plate 31, the corresponding limiting block 37 will abut against and limit the corresponding arc-shaped rod 312 and the arc-shaped plate 311 under the driving of the reset pressure spring 38, and the spring rod 39 is in a stressed compressed state and abuts against the corresponding arc-shaped plate 311.

As shown with reference to fig. 4 and 5, namely, an unlocking unit 34 for releasing the limit of the corresponding arc plate 311; specifically, the unlocking unit 34 includes a folded plate 340, an annular frame plate 341, an annular air bag 342, an inflation tube 343, an air outlet pipe 344, an air leakage component 45, a pressing plate 346, a tightening column 347, a block 348, a return spring 349 and a fixed annular plate 3410, the annular frame plate 341 is sleeved on the outer side surface of the inner end of the fishing cage 1 of the fish inlet tube 30, an annular air bag 342 sleeved on the outer side surface of the corresponding fish inlet tube 30 is arranged in the annular frame plate 341, and the annular frame plate 341 is used for installing and limiting the inflated annular air bag 342; the upper end of the annular air bag 342 is communicated with an inflation tube 343 penetrating through the corresponding annular frame plate 341, the inflation pump inflates the annular air bag 342 through the inflation tube 343 on the corresponding annular air bag 342, and the corresponding inflation tube 343 is in a closed state after the annular air bag 342 is inflated; the lower end of the annular air bag 342 is communicated with an air outlet pipe 344 penetrating through the corresponding annular frame plate 341, and the air outlet pipe 344 is used for discharging air in the annular air bag 342.

Further, the lower end of the air outlet pipe 344 is provided with an air leakage component 45, and the air leakage component 45 is used for controlling the circulation of air at the air outlet pipe 344 on the corresponding annular air bag 342; the inner side of the annular air bag 342 is in sliding contact with a plurality of arc-shaped pressing plates 346, the corresponding pressing plates 346 are distributed annularly and are attached to the outer side face of the corresponding fish inlet pipe 30, and after the annular air bag 342 is inflated, the corresponding pressing plates 346 are pushed to move towards the direction approaching the fish inlet pipe 30 until being attached to the outer side face of the corresponding fish inlet pipe 30; opposite sides of the corresponding pressing plate 346 are respectively provided with a pressing column 347 penetrating the corresponding fish inlet pipe 30, and the pressing plate 346 can respectively push the corresponding pressing columns 347 to move towards each other after being pushed; the end of the abutting column 347 away from the corresponding pressing plate 346 is slidably abutted against the triangular abutting block 348, and the abutting column 347 can move to push the abutting block 348 along the inclined surface of the corresponding abutting block 348 to move transversely in the direction away from the corresponding annular plate 31.

Further, the abutment 348 is connected to the corresponding folded plate 340, and the abutment 348 is pushed to drive the corresponding folded plate 340 to move transversely in a direction approaching to the dredging mechanism 5; a return spring 349 is arranged at one end of the folded plate 340 away from the corresponding annular plate 31, and the folded plate 340 is driven to compress the corresponding return pressure spring 38; the end of the return spring 349, which is far away from the corresponding folded plate 340, is provided with a fixed ring plate 3410 connected with the inner wall of the corresponding fish feeding pipe 30, and the fixed ring plate 3410 is used for limiting the corresponding return pressure spring 38.

In a specific implementation process, after the annular air bag 342 is inflated, the corresponding annular frame plate 341 is inflated, then the corresponding pressing plate 346 and the abutting column 347 are pushed, the corresponding abutting block 348 drives the folded plate 340 to move towards the direction close to the dredging mechanism 5, the folded plate 340 moves to enable the corresponding reset spring 349 to be compressed, the corresponding plate 33, the driven sliding block 32, the spring rod 39, the sliding block 310, the guide stay rod 35 and the limiting block 37 to move towards the direction close to the dredging mechanism 5, the effect that the limiting block 37 and the spring rod 39 are used for releasing the abutting limit of the corresponding arc plates 311 is achieved, the corresponding arc plates 311 can not be blocked from entering the fishing cage 1 when fish passes, meanwhile, the fact that the corresponding spring rod 39 is pushed by the arc plates 311 can be pushed to enable the corresponding arc plates 311 to abut against each other after the fish passes through the fishing cage 30 is achieved, the condition that the fish is avoided, and the fishing efficiency of the fishing cage 1 is increased.

Referring to fig. 6 and 7, a venting assembly 45 for venting gas from the annular bladder 342; specifically, the air release assembly 45 includes an air release pipe 320, an air guide pipe 321, a sealing block 322, a connecting round rod 323, a tight abutting spring 324, a connecting rope 325, a connecting cylinder 326 and a limiting pulley 327, the lower end of the corresponding air outlet pipe 344 is sleeved with the air release pipe 320, the side wall of the air release pipe 320 is uniformly provided with a plurality of air release holes, and the air release pipe 320 is used for discharging air in the annular air bag 342 corresponding to the air outlet pipe 344; the outer side cover of bleeder 320 is equipped with air duct 321, a plurality of air ducts have been seted up to the lower extreme of air duct 321, the interior sealing piece 322 that is provided with of bleeder 320, sealing piece 322 comprises the arc structure of upper end and the circular structure of lower extreme, and sealing piece 322 is the material that possesses certain degree elastic deformation, the size of arc structure and circular structure is slightly greater than corresponding outlet duct 344 pipe diameter and bleeder 320 pipe diameter respectively, sealing piece 322 upper end arc structure can realize the sealing to corresponding outlet duct 344 after inserting outlet duct 344, sealing piece 322 lower extreme circular structure is located when corresponding bleeder upper end, sealing piece 322 can realize carrying out sealed effect to bleeder 320.

Further, a connecting round rod 323 penetrating through the bottom of the air leakage pipe 320 and the bottom of the air guide pipe 321 is vertically arranged at the lower end of the sealing block 322, and the movement of the connecting round rod 323 drives the corresponding sealing block 322 to move in the vertical direction; the outer side surface of the connecting round rod 323 is sleeved with a pressing spring 324 positioned between the corresponding sealing block 322 and the inner bottom wall of the air leakage pipe 320, and the sealing block 322 compresses the corresponding pressing spring 324 when moving downwards; the lower end of the connecting round rod 323 is provided with a connecting rope 325 penetrating through the bottom of the air release pipe 320 and the air guide pipe 321, and the connecting rope 325 can pull the corresponding connecting round rod 323 to move downwards when being stressed; one end of the connecting rope 325 far away from the corresponding connecting round rod 323 penetrates through the fishing cage 1 and the fishing box 2 and then is upwards provided with a connecting cylinder 326 which is sleeved on the outer side surface of the lifting rope 11 in a sliding way, and the connecting cylinder 326 is used for simultaneously pulling all the connecting ropes 325; a limiting pulley 327 connected with the inner wall of the fishing cage 1 is arranged below the air outlet pipe 344 of the corresponding annular air bag 342, and the limiting pulley 327 is used for limiting the moving path of the connecting rope 325 at the corresponding position, so that the connecting rope 325 at the corresponding position can vertically pull the corresponding connecting round rod 323 downwards.

In a specific implementation process, by pulling the connecting sleeve upwards, the connecting sleeve can drive all the connecting ropes 325 to move upwards under the force of the connecting ropes 325, the connecting ropes 325 move to pull the catching box 2 upwards, and vertically pull the corresponding connecting round rod 323 and the sealing block 322 downwards through the corresponding limiting pulleys 327, so that the arc structure at the upper end of the sealing block 322 is separated from contact with the corresponding air outlet pipe 344, and the round structure at the lower end of the sealing block 322 moves downwards below the air outlet hole on the corresponding air outlet pipe 320, thereby enabling the air in the annular air bag 342 to be discharged through the corresponding air outlet pipe 344, the air outlet pipe 320 and the air outlet pipe 321, further relieving the annular air bag 342 from abutting the corresponding pressing plate 346 and the abutting block, enabling the corresponding reset pressure spring 38 and the reset spring 349 to be compressed no longer under the force, and the reset pressure spring 38 and the reset spring 349 to restore the normal extension state can drive the corresponding limiting block 37 and the spring rod 39 to abut and limit the corresponding arc plate 311 again

Embodiment two:

referring to fig. 8, on the basis of the first embodiment, in order to further prevent fish entering the fishing cage 1 from escaping and blocking the entrance, an auxiliary mechanism 4 for closing and unsealing the mouth of the fish inlet pipe 30 and a dredging mechanism 5 for preventing fish in the fish inlet pipe 30 are provided; specifically, the auxiliary mechanism 4 includes a cover plate 40, support columns 41 and through holes 42, the corresponding cover plate 40 is connected with the fishing box 2 through the support columns 41, the support columns 41 are used for supporting the corresponding cover plate 40, and the cover plate 40 is used for sealing the inlets of the corresponding fish inlet pipes 30; the side wall of the fishing tank 2 is provided with corresponding through holes 42 at positions corresponding to the fish inlets 12, and the through holes 42 are positioned above the corresponding cover plates 40, and the through holes 42 are used for enabling fish to enter the fishing cage 1 through the fish inlets 12.

In the specific implementation process, when the fishing box 2 is pulled upwards, the cover plate 40 and the through hole 42 are driven to move upwards, so that the cover plate 40 can seal the inlet of the corresponding fish inlet pipe 30, when the fishing box 2 moves downwards, the cover plate 40 and the through hole 42 are driven to move downwards, and when the through hole 42 and the corresponding fish inlet pipe 30 can be at the same height, external fishes can enter the fishing cage 1 through the corresponding through hole 42 and the corresponding fish inlet pipe 30.

Referring to fig. 9, a dredging mechanism 5 for preventing fish in the fish feed pipe 30 from being blocked; specifically, the dredging mechanism 5 comprises a driving motor 50, a reciprocating screw rod 51, a supporting slat 52, a linkage block 53, a bar-shaped connecting rod 54, a supporting rod 55, a dredging head 56 and a limiting rod 57, wherein the lower end of an output shaft of the driving motor 50 is provided with the reciprocating screw rod 51, and the output shaft of the driving motor 50 rotates to drive the reciprocating screw rod 51 to rotate; the outer side surface of the reciprocating screw rod 51 is provided with two crossed threads, the outer side surface of the reciprocating screw rod 51 is horizontally sleeved with at least two supporting laths 52 in a cross structure in a rotating mode, the end parts of the supporting laths 52 are connected with corresponding annular frame plates 341, the corresponding supporting laths 52 are symmetrically distributed along the axis direction of the fish feeding pipe 30, and the supporting laths 52 are used for supporting and limiting the reciprocating screw rod 51 and prevent the reciprocating screw rod 51 from greatly swinging when driven to rotate; the outer side surface of the reciprocating screw rod 51 is also sleeved with a linkage block 53 positioned between the support laths 52 in a threaded fit mode, and after the reciprocating screw rod 51 rotates, the linkage block 53 can reciprocate in the vertical direction through threads on the reciprocating screw rod 51; the bar-shaped connecting rods 54 are rotatably arranged at the ends, close to the corresponding fish feeding pipes 30, of the linkage blocks 53, and the linkage blocks 53 move to drive the connecting bars to rotate; the other end of the bar-shaped connecting rod 54 is horizontally rotatably provided with a supporting rod 55, and the connecting bar can push and pull the corresponding supporting rod 55 to transversely move when being driven to rotate; a dredging head 56 with a circular arc structure is arranged at one end of the supporting rod 55 close to the corresponding fish inlet pipe 30, and the corresponding dredging head 56 is driven to transversely move by the movement of the supporting rod 55; the outer side surface of the dredging head 56 is sleeved with a fish-shaped artificial bait which is used for increasing the fish attracting effect of the fishing cage 1; the outer side surface sliding sleeve of the supporting rod 55 is provided with at least two limiting rods 57 connected with the supporting strip plates 52, and the limiting rods 57 are used for limiting the moving paths of the corresponding supporting rods 55 and ensuring that the corresponding supporting rods 55 can always keep moving transversely.

It should be noted that, in the initial state, the linkage block 53 is located at the highest point between the corresponding support laths 52, at this time, all the connection rods and the corresponding support rods 55 are at the smallest angle, and when the linkage block 53 moves to the lowest point between the corresponding support laths 52, all the connection rods and the corresponding support rods 55 are at the smallest angle, and when the linkage block 53 moves to the middle position between the corresponding support laths 52, that is, when the linkage block 53, the connection rods and the support rods 55 move to the same horizontal line, at this time, all the connection rods and the corresponding support rods 55 are at the largest angle, and the corresponding dredging head 56 and the artificial bait move to the farthest end and are inserted into the corresponding fish feeding pipe 30.

In a specific implementation process, the output end of the driving motor 50 rotates to drive the reciprocating screw rod 51 to rotate, after the reciprocating screw rod 51 rotates, the linkage block 53 moves to drive the connecting bar rod to rotate by means of threads on the reciprocating screw rod 51, the corresponding support rod 55, the dredging head 56 and the artificial bait sleeved on the dredging head 56 are pushed to move in the direction close to the corresponding fish inlet pipe 30 until the linkage block 53 moves to the middle position between the corresponding connecting bar rods, then the linkage block 53 continues to move downwards to the lowest point by means of threads on the reciprocating screw rod 51, at the moment, the linkage block 53 moves to drive the connecting bar rod to rotate and pull the corresponding support rod 55, the dredging head 56 and the artificial bait sleeved on the dredging head 56 to move away from the corresponding fish inlet pipe 30, so that the effect of dredging blocked fish in the corresponding fish inlet pipe 30 is achieved, and the probability of entering the fishing cage 1 can be increased when the artificial bait sleeved on the corresponding dredging head 56 moves along with the head 56, so that the fishing efficiency of fishing cage 1 is increased.

Referring to fig. 9 and 10, there is shown a fish attracting mechanism for attracting fish into a fishing cage 1; specifically, the feeding mechanism 6 comprises a connecting plate 60, a grid plate 61 and a fish attracting box 62, the connecting plate 60 is fixedly sleeved on the outer side surface of the reciprocating screw rod 51, and the reciprocating screw rod 51 rotates to drive the connecting plate 60 to rotate; the outer side surface of the reciprocating screw rod 51 is also rotationally sleeved with a grid plate 61 which is positioned below the connecting plate 60 and is in sliding fit with the inner wall of the fishing cage 1, the upper end of the grid plate 61 is in sliding fit with a fish attracting box 62 which is connected with the connecting plate 60, the grid plate 61 is used for supporting and placing the fish attracting box 62, and the fish attracting box 62 is internally filled with baits for attracting fish; the outer side surface of the fish attracting box 62 is uniformly provided with a plurality of water inlet holes, and the water inlet holes are used for increasing contact between bait and water, so that smell of the bait can be transmitted through the water to attract fish to the vicinity of the fishing cage 1, and the effect of trapping the fish is realized.

In the specific implementation process, the reciprocating screw rod 51 rotates to drive the connecting plate 60 and the fish attracting box 62 to rotate on the grid plate 61, and the bait in the fish attracting box 62 can contact with water through the water inlet hole formed in the outer side surface of the fish attracting box 62, so that the speed of the bait to emit smell is increased, and the fish attracting effect of the fish attracting box 62 is increased.

Embodiment III:

referring to fig. 11, in order to realize sustainable development of fishery resources on the basis of the first and second embodiments, a fish-releasing mechanism 7 for releasing smaller-sized fish in the fishing cage 1 is provided; specifically, the fish placing mechanism 7 comprises a grid plate 70, a plate 71, a vertical push plate 72, a fish outlet 73, a semi-ring plate 74 and a fish outlet pipe 75, wherein the grid plate 70 is arranged at the lower end of the inner wall of the fishing cage 1 in a sliding fit manner, and fish near the bottom of the fishing cage 1 can be screened after the grid plate 70 is pushed, so that fish with smaller volume can be screened to enter the lower part of the grid plate; the lower ends of the grid plates 70 are symmetrically provided with plates 71 which slide through the inner bottom wall of the fishing cage 1, and the movement of the plates 71 pushes the grid plates to move upwards.

Further, a vertical pushing plate 72 corresponding to the plate 71 is arranged at the bottom in the fishing box 2, and the upward movement of the fishing box 2 can drive the vertical pushing plate 72 to move upwards, and the vertical pushing plate 72 can push the grid plate 70 to move upwards; the inner bottom wall of the fishing cage 1 is provided with a fish outlet 73, and the fish outlet 73 is used for enabling fishes with smaller volumes to swim out of the fishing cage 1; at least four semi-ring plates 74 are symmetrically arranged on the inner wall of the fish outlet 73 in a rotating mode, and the semi-ring plates 74 are in a horizontal state and can seal the fish outlet 73; the middle part of one end of the semi-ring plate 74, which is close to the inner wall of the fish outlet 73, is connected with the fish outlet 73 through a torsion spring, and the torsion spring is used for enabling the semi-ring plate 74 to be kept in a horizontal state; the inner bottom wall of the fishing box 2 is provided with a fish outlet pipe 75 corresponding to the fish outlet 73 in a penetrating way, the fish outlet pipe 75 is used for pushing the semi-annular plate 74 to rotate and open, and small-size fishes can swim out of the fishing cage 1 and the fishing box 2 through the fish outlet pipe 75 after being inserted into the fishing cage 1.

In the concrete implementation process, when the fishing box 2 is pulled upwards by all the connecting ropes 325 to move, the fishing box 2 drives the vertical push plate 72 and the fish outlet pipe 75 to move upwards, the fish outlet pipe 75 moves upwards and is firstly inserted into the fish outlet 73, then the half-ring plate 74 and the torsion spring are pushed to rotate upwards to be opened, the vertical push plate 72 moves upwards for a certain distance and then contacts with the corresponding plate 71, then the plate 71 and the grating plate are pushed to move upwards, then the fish outlet pipe 75 can be continuously inserted into the fish outlet 73 until the bottom of the plate 71 is attached to the bottom of the fishing cage 1, so that the grating plate can screen fish with smaller volume near the bottom of the fishing cage 1, the fish with smaller volume can swim out of the fishing cage 1 through the inserted fish outlet pipe 75, and sustainable development of fishery resources is realized

In addition, the invention also provides a deep water fishery fishing method, which comprises the following steps: s1: the annular air bag 342 is inflated by the inflator pump, the limiting mechanism 3 is unlocked by the unlocking unit 34 after the annular air bag 342 is inflated, so that a corresponding channel of the fish inlet pipe 30 can be opened, and therefore, when fish enters the fishing cage 1 through the fish inlet pipe 30, the arc plate 311 can not influence the fish to enter the fishing cage 1, and then the fishing cage 1 and the fishing slow box are lowered into the position to be caught in the deep water through the lifting rope 11.

S2: after the fishing cage 1 and the fishing box 2 arrive at the position in the water, the fishing box 2 can drive the auxiliary mechanism 4 to slide downwards along the outer side surface of the fishing cage 1 due to the influence of self gravity, so that the through holes 42 can be communicated with the corresponding fish inlet pipes 30, and fish positioned outside the fishing cage 1 can enter the fishing cage 1.

S3: the output shaft of the driving motor 50 drives the fish attracting mechanism to rotate, so that the speed of the bait smell diffusing in water is accelerated, the bait in the fish attracting box 62 can attract fishes in deep water into the fishing cage 1, the effect of increasing the fishing efficiency of the fishing cage 1 is achieved, meanwhile, the driving motor 50 can indirectly drive the corresponding dredging heads 56 to reciprocate transversely in the corresponding fish inlet pipes 30, the effect of dredging the corresponding fish inlet pipes 30 is achieved, the fishes entering the fish inlet pipes 30 are prevented from being blocked, the outside fishes are influenced, and the fishing quantity is reduced.

S4: after fishing, the air leakage assembly 45 is pulled upwards, and the air leakage assembly 45 can release air in the corresponding annular air bag 342, so that the limiting mechanism 3 can seal the corresponding fish inlet pipe 30 channel again, escape of the captured fish is avoided, and fishing efficiency is improved.

S5: the catch box 2 on the lateral surface of the catch cage 1 can be pulled when the air leakage component 45 is pulled upwards, the catch box 2 can drive the fish placing mechanism 7 and the auxiliary mechanism 4 to move upwards in the process of moving upwards, so that the auxiliary mechanism 4 seals the inlet end of the corresponding fish inlet pipe 30 again, the fish entering the catch cage 1 is further prevented from escaping, the fishing with smaller volume in the catch cage 1 can be placed through the fish placing mechanism 7, and the sustainable development of the fishery resource is prevented from being influenced by excessive fishing.

It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present disclosure describes embodiments, not every embodiment is provided with a separate embodiment, and that this description is provided for clarity only, and that the disclosure is not limited to the embodiments described in detail below, and that the embodiments described in the examples may be combined as appropriate to form other embodiments that will be apparent to those skilled in the art.

Claims (9)

1. The utility model provides a device is catched in deep water fishery, includes and catches cage (1), and the upper end of catchment cage (1) is provided with mounting panel (10) through detachable mode, and the middle part of mounting panel (10) upper end is provided with lifting rope (11), its characterized in that: the utility model provides a fishing cage (1) lateral surface slip cover is equipped with and catches case (2), catch the equal symmetry of lateral surface of cage (1) length direction and seted up into fish mouth (12), the position that is close to corresponding into fish mouth (12) of cage (1) inner wall is provided with stop gear (3), stop gear (3) are including advancing fish pipe (30) that fish mouth (12) inner wall set up, the position that corresponds into fish mouth (12) in catching case (2) is provided with auxiliary mechanism (4), auxiliary mechanism (4) include with correspond into circular apron (40) that fish pipe (30) slip laminating set up, be provided with dredging mechanism (5) jointly between corresponding stop gear (3), dredging mechanism (5) are including setting up in driving motor (50) of apron (40) lower extreme through the motor cabinet, the top that is located dredging mechanism (5) in fishing cage (1) is provided with and lures food mechanism (6), lures food mechanism (6) including connecting plate (60) that are connected with dredging mechanism (5), catch bottom and the inner bottom wall (2) of cage (1) are provided with between fishing mechanism (7).

2. A deep water fishing device as claimed in claim 1, wherein: the limiting mechanism (3) further comprises an annular plate (31), a driven sliding block (32), a -shaped plate (33), an unlocking unit (34), a guide supporting rod (35), a limiting block (37), a reset pressure spring (38), a spring rod (39), a sliding block (310), an arc plate (311) and an arc rod (312), wherein the annular plate (31) with the U-shaped cross section is fixedly arranged on the inner wall of the fish inlet pipe (30), a plurality of driven sliding blocks (32) with a -shaped structure are symmetrically arranged in the annular plate (31) in a penetrating manner in a sliding fit manner, -shaped plates (33) are arranged on the outer side surface of the driven sliding block (32) in a sliding abutting manner, the part of the driven sliding block (32) positioned in the annular plate (31) is inserted in the corresponding -shaped plate (33), the -shaped plate (33) is internally provided with the unlocking unit (34) which is abutted against the driven sliding block (32), the unlocking unit (34) comprises a sliding plate (340) of -shaped plate (33), one end (35) of the driven sliding block (33) is arranged on the annular plate (35), one end (35) of the driven sliding block (33) is far away from the horizontal supporting plate (35), the outside face cover of direction vaulting pole (35) is equipped with and is located reset pressure spring (38) between corresponding stopper (37) and annular plate (31), the opposite side of driven slider (32) all rotates and is provided with spring bar (39), the one end rotation that driven slider (32) was kept away from to spring bar (39) is provided with slider (310), the opposite side of slider (310) is provided with arc (311) through sliding fit's mode, in a plurality of arc (311) are annular distribution correspondence advances fish pipe (30), and one side that arc (311) are close to fishing case (2) is provided with arc pole (312) of elastic material, and arc pole (312) are connected with advancing fish pipe (30) rotation.

3. A deep water fishing device as claimed in claim 2, wherein: the unlocking unit (34) further comprises an annular framed plate (341), an annular air bag (342), an inflation tube (343), an air outlet tube (344), an air leakage component (45), a pressing plate (346), a propping column (347), a propping block (348), a reset spring (349) and a fixed annular plate (3410), wherein the annular framed plate (341) is sleeved on the outer side surface of one end of the fishing cage (1) of the fish feeding tube (30), the annular air bag (342) sleeved on the outer side surface of the corresponding fish feeding tube (30) is arranged in the annular framed plate (341), the upper end of the annular air bag (342) is communicated with the inflation tube (343) penetrating the corresponding annular framed plate (341), the lower end of the annular air bag (342) is communicated with the air outlet tube (344) penetrating the corresponding annular framed plate (341), the lower end of the air outlet tube (344) is provided with the air leakage component (45), the inner side of the annular air bag (342) is in sliding contact with a plurality of arc-shaped pressing plates (346), the corresponding pressing plates (346) are distributed annularly and are attached to the outer side surface of the corresponding fish feeding tube (30), the corresponding pressing plates (346) are sleeved on the outer side surface of the corresponding fish feeding tube (341), the corresponding pressing plates (347) are opposite to each other, the corresponding pressing plate (347) is provided with the corresponding pressing plate (346) and is far from the corresponding pressing plate (346), the abutting block (348) is connected with the corresponding folded plate (340), one end of the folded plate (340) far away from the corresponding annular plate (31) is provided with a reset spring (349), and one end of the reset spring (349) far away from the corresponding folded plate (340) is provided with a fixed annular plate (3410) connected with the inner wall of the corresponding fish inlet pipe (30).

4. A deep water fishing device according to claim 3, wherein: the air release assembly (45) comprises an air release pipe (320), an air guide pipe (321), a sealing block (322), a connecting round rod (323), a tight supporting spring (324), a connecting rope (325), a connecting cylinder (326) and a limiting pulley (327), wherein the lower end of a corresponding air outlet pipe (344) is sleeved with the air release pipe (320), a plurality of air release holes are uniformly formed in the side wall of the air release pipe (320), the outer side surface of the air release pipe (320) is sleeved with the air guide pipe (321), a plurality of air guide holes are formed in the lower end of the air guide pipe (321), the sealing block (322) is arranged in the air release pipe (320), the connecting round rod (323) penetrating through the bottom of the air release pipe (320) and the bottom of the air guide pipe (321) is vertically arranged at the lower end of the sealing block (322), the outer side surface of the connecting round rod (323) is sleeved with the tight supporting spring (324) positioned between the corresponding sealing block (322) and the inner bottom wall of the air release pipe (320), the lower end of the connecting round rod (323) is provided with a connecting rope (325) penetrating through the bottom of the air guide pipe (320), the connecting rope (325) is far away from the corresponding connecting rod (326) and is arranged at the outer side surface of the fishing cage (11) and is connected with the fishing cage (11), a limiting pulley (327) connected with the inner wall of the fishing cage (1) is arranged below the air outlet pipe (344) corresponding to the annular air bag (342).

5. A deep water fishing device as claimed in claim 1, wherein: the auxiliary mechanism (4) further comprises a supporting column (41) and a through hole (42), the corresponding cover plate (40) is connected with the fishing box (2) through the supporting column (41), the corresponding through hole (42) is formed in the side wall of the fishing box (2) at the position corresponding to the fish inlet (12), and the through hole (42) is located above the corresponding cover plate (40).

6. A deep water fishing device according to claim 3, wherein: the dredging mechanism (5) further comprises a reciprocating screw rod (51), supporting laths (52), a linkage block (53), strip-shaped connecting rods (54), supporting rods (55), dredging heads (56) and limiting rods (57), wherein the lower end of an output shaft of the driving motor (50) is provided with the reciprocating screw rod (51), two crossed threads are arranged on the outer side surface of the reciprocating screw rod (51), at least two supporting laths (52) with a cross structure are horizontally sleeved on the outer side surface of the reciprocating screw rod (51) in a rotating mode, the end parts of the supporting laths (52) are connected with corresponding annular frame plates (341), the corresponding supporting laths (52) are symmetrically distributed along the axis direction of the fish inlet pipe (30), the outer side surface of the reciprocating screw rod (51) is sleeved with the linkage block (53) positioned between the supporting laths (52) in a threaded fit mode, one end of the linkage block (53) close to the corresponding fish inlet pipe (30) is provided with the strip-shaped connecting rods (54) in a rotating mode, the other end of the connecting rods (54) is provided with the supporting rods (55) in a horizontally rotating mode, one end of the supporting rods (55) close to the corresponding fish inlet pipe (30) is provided with the corresponding annular frame plates (341), the outer side surface of the corresponding supporting laths (52) is provided with the corresponding annular frame plates (52) in a rotating mode, the outer side surface of the supporting rod (55) is sleeved with at least two limiting rods (57) connected with the supporting lath (52) in a sliding way.

7. The deepwater fishery fishing device of claim 6, wherein: the feeding mechanism (6) further comprises a grid plate (61) and a fish attracting box (62), the connecting plate (60) is fixedly sleeved on the outer side face of the reciprocating screw rod (51), the outer side face of the reciprocating screw rod (51) is further rotationally sleeved with the grid plate (61) which is located below the connecting plate (60) and is in sliding fit with the inner wall of the fishing cage (1), the upper end of the grid plate (61) is provided with the fish attracting box (62) connected with the connecting plate (60) in a sliding fit mode, and a plurality of water inlets are evenly formed in the outer side face of the fish attracting box (62).

8. A deep water fishing device as claimed in claim 1, wherein: the fish placing mechanism (7) comprises a grid plate (70), a plate (71), a vertical pushing plate (72), a fish outlet (73), a semi-ring plate (74) and a fish outlet pipe (75), wherein the grid plate (70) is arranged at the lower end of the inner wall of the fishing cage (1) in a sliding fit mode, plates (71) which slide through the inner bottom wall of the fishing cage (1) are symmetrically arranged at the lower end of the grid plate (70), vertical pushing plates (72) corresponding to the plates (71) are arranged at the inner bottom of the fishing box (2), the fish outlet (73) is formed in the inner bottom wall of the fishing cage (1), at least four semi-ring plates (74) are symmetrically arranged on the inner wall of the fish outlet (73), the middle part of the semi-ring plate (74) close to one end of the inner wall of the fish outlet (73) is connected with the fish outlet (73) through torsion springs, and the fish outlet pipe (75) corresponding to the fish outlet (73) is arranged on the inner bottom wall of the fishing box (2).

9. A method of deepwater fishing comprising a deepwater fishing device according to any one of claims 1-8, wherein the filtering method comprises the steps of:

s1: the annular air bag (342) is inflated by the inflator pump, the limiting mechanism (3) is unlocked through the unlocking unit (34) after the annular air bag (342) is inflated, so that a corresponding fish inlet pipe (30) channel can be opened, and the arc plate (311) can not influence fish to enter the fishing cage (1) through the fish inlet pipe (30) when the fish enters the fishing cage (1), and then the fishing cage (1) and the fishing slow box are lowered into the position to be caught in deep water through the lifting rope (11);

s2: after the fishing cage (1) and the fishing box (2) reach the position in water, the fishing box (2) can drive the auxiliary mechanism (4) to slide downwards along the outer side surface of the fishing cage (1) due to the influence of self gravity, so that the through holes (42) can be communicated with the corresponding fish inlet pipes (30), and fish positioned outside the fishing cage (1) can enter the fishing cage (1);

s3: the fish attracting mechanism is driven to rotate through the output shaft of the driving motor (50), so that the speed of the bait smell emitted in water is increased, the bait in the fish attracting box (62) can attract fishes in deep water into the fishing cage (1), and meanwhile, the driving motor (50) can indirectly drive the corresponding dredging heads (56) to reciprocate transversely in the corresponding fish inlet pipes (30) and dredge the corresponding fish inlet pipes (30);

S4: after fishing, the air leakage assembly (45) is pulled upwards, and the air leakage assembly (45) can release air in the corresponding annular air bag (342), so that the limiting mechanism (3) can seal the corresponding channel of the fish inlet pipe (30) again;

s5: when the air leakage component (45) is pulled upwards, the fishing box (2) on the outer side face of the fishing cage (1) is pulled, the fishing box (2) can drive the fish placing mechanism (7) and the auxiliary mechanism (4) to move upwards in the process of moving upwards, so that the auxiliary mechanism (4) seals the inlet end of the corresponding fish inlet pipe (30) again, and the fishing with a small volume in the fishing cage (1) can be released through the fish placing mechanism (7).