Sea eel capturing device and method
Technical Field
The invention relates to the technical field of eel capturing, in particular to a marine eel capturing device and method with low production cost and good safety.
Background
Eel fry cannot be bred by artificial propagation, and because eel has a special life history, the eel fry is difficult to simulate in a human environment. Japanese eels grow up in fresh water rivers to adult eels, and start to descend and migrate in summer, and spawning sites are far in deep sea between Philippines and Malaysia islands beyond thousands of kilometers. The wild eels are delicious in taste, rich in meat quality, high in price and good in economic benefit, but the wild eels usually live in deep sea bottom, the wild eels are captured by adopting a long-line fishing mode, the long-line fishing needs to be operated by a plurality of people, the rope paying-off and rope paying-off need to take a lot of time, the labor intensity is high, and the production cost is high.
Disclosure of Invention
The invention aims to overcome the defects of high labor intensity and high production cost of the eel capturing method in the prior art, and provides the sea eel capturing device and method with low production cost and high safety.
In order to achieve the purpose, the invention adopts the following technical scheme:
an eel capturing device in sea comprises a stand column arranged on the sea bottom, a support frame arranged at the upper end of the stand column, a first motor arranged on the support frame, a cross bar connected with the first motor, M lifting hooks arranged on the cross bar, a strip-shaped longitudinal bar arranged on one side of the stand column, an eel storage box, a lifting clamp arranged in the eel storage box, a bait supply mechanism close to the eel storage box, wherein M is more than 3; m electromagnets are arranged on the strip-shaped longitudinal rod, the lifting hook comprises a vertical rod made of iron material, and a hook body arranged at the lower end of the vertical rod, the hook body comprises an arc-shaped sleeve and an arc-shaped hook, one end of the arc-shaped hook extends into the arc-shaped sleeve, an inward-bent annular edge arranged at the lower end of the arc-shaped sleeve and a return spring arranged between baffle plates arranged at the upper end of the arc-shaped hook, the upper part of the arc-shaped sleeve is connected with a first inflator pump through an air duct, a one-way exhaust valve is arranged on the air duct, a turnover cover is arranged at the upper end of the eel storage box and comprises a front turnover plate and a rear turnover plate, the front edge of the front turnover plate and the rear edge of the rear turnover plate are both connected with the upper end of the eel storage box through rotating shafts, a plurality of return torsion springs are arranged between the front edge of the front turnover plate and the upper end, the cross rod is provided with a camera and a temperature sensor, and further comprises a shaking mechanism for driving the cross rod to shake up and down and a heating mechanism for heating the temperature of the seawater around the stand column, wherein the temperature sensor, the shaking mechanism, the heating mechanism, the camera, the first motor, the lifting clamp, the bait supply mechanism, the water suction pump, the first air pumps and the electromagnets are all electrically connected with the controller.
The invention can automatically detect whether the eel is hooked or not underwater, can automatically take off the hooked eel, collects the captured eel, pumps the eel to a ship by using the water pump, can automatically place bait on the lifting hook, reduces the chance that an operator directly contacts the bait and the lifting hook, improves the operation safety, can effectively reduce the number of operators, reduces the labor cost and further effectively improves the production efficiency.
The temperature sensor is used for detecting the temperature of the seawater around the upright post, and when the temperature of the seawater is lower, the temperature of the seawater around the upright post can be automatically heated, so that eel is attracted to the periphery of the upright post with high seawater temperature, and the efficiency of hooking the eel is improved.
Preferably, the bait feeding mechanism comprises two guide rails arranged on the seabed, and a strip-shaped seat arranged above the two guide rails; m vertical cavities and M first air cylinders are arranged on the strip-shaped seat; the telescopic rod of each first cylinder is connected with an extrusion block, the lower end of each vertical cavity is provided with a transverse channel, each extrusion block extends into each transverse channel respectively, the left part of the strip-shaped seat is provided with a cover plate, the cover plate is connected with the strip-shaped seat through a rotating shaft, and the rotating shaft is connected with a second motor; erect the chamber upper end and all be equipped with the closing cap, erect and be equipped with the clamp plate in the chamber, all be equipped with the trachea of being connected with the second pump on every closing cap, connect through a plurality of elastic ropes between closing cap and the clamp plate, the trachea lower extreme exposes outside the closing cap lower surface, the bait has been placed in the perpendicular chamber of clamp plate below, the bar seat is connected with two guide rails through a plurality of support columns, all be equipped with the second cylinder on two guide rails, the telescopic link of two second cylinders is connected with two support columns respectively, second pump, second motor, each first cylinder, two second cylinders all are connected with the controller electricity.
Preferably, the lifting clamp comprises a hydraulic oil cylinder arranged at the bottom of the eel storage box and two guide rods arranged on the hydraulic oil cylinder, two corresponding third air cylinders are respectively arranged on the two guide rods, and telescopic rods of the two third air cylinders are respectively connected with the two pressing strips; the hydraulic oil cylinder and the two third air cylinders are electrically connected with the controller.
Preferably, the cross rod is connected with the first motor and the upright post through a rotating shaft, and a spring is arranged on the rotating shaft; the shaking mechanism comprises a vertical plate, a gear arranged on the front surface of the vertical plate, a toothed plate and a vertical baffle, wherein the gear and the vertical baffle are respectively positioned on the left side and the right side of the toothed plate, the gear is meshed with the toothed plate, the lower end of the toothed plate can be in surface contact with the upper surface of the cross rod, the lower end of the toothed plate is provided with an elastic cushion block, the lower part of the vertical plate is fixedly connected with the seabed through a fixing frame, the gear is connected with a fourth motor, and the fourth motor is electrically.
The setting of spring makes the horizontal pole have certain elasticity, and controller control fourth motor drives gear in turn just reversing to make the pinion rack reciprocate, the pinion rack drives the horizontal pole and shakes from top to bottom, and the motion mode of the bait on the lifting hook is similar with normal prey, thereby reduces the vigilance of eel, the better hook of eel of being convenient for.
Preferably, the heating mechanism comprises a heating box, a heater arranged in the heating box, 2 electromagnetic valves respectively arranged on a water inlet and a water outlet of the heating box, and a plurality of annular pipes surrounding the upright post and connected with the water outlet; each annular pipe is internally provided with a flexible shaft, each flexible shaft is provided with a helical blade, the heating box is provided with a third motor for driving the flexible shaft to rotate, each annular pipe is provided with a plurality of drain holes, the diameter of the drain hole closer to the water outlet is smaller, and the 2 electromagnetic valves and the third motors are electrically connected with the controller.
A method of marine eel capturing device, comprising the steps of:
in an initial state, controlling each first inflator pump to inflate, enabling the arc-shaped hook of each hook body to extend out of the arc-shaped sleeve, placing bait on each hook, placing the upright post on the seabed, enabling the upright post to be fixedly connected with the seabed, placing the eel storage box and the bait supply mechanism on the seabed, and enabling an included angle between the cross rod and the strip-shaped longitudinal rod to be 90 degrees;
(6-1) detecting the temperature of the seawater by a temperature sensor, controlling the working time T1 of a heating mechanism by a controller when the temperature of the seawater is lower than A, conveying the heated seawater to the periphery of the upright post, and attracting the eel to the periphery of the upright post;
(6-2) shooting images of all lifting hooks by the camera, and judging whether the eel is hooked or not by the controller according to the images of all the lifting hooks;
(6-3) when the eel is found on at least one lifting hook, the controller controls the first motor to drive the cross rod to rotate, so that the cross rod is close to the strip-shaped longitudinal rod, the electromagnets are controlled to be electrified, and the electromagnets are used for firmly absorbing the vertical rods of the lifting hooks respectively;
(6-4) the controller controls the lifting clamp to ascend, clamps all eels, controls the first inflator pump connected with the air guide pipe of the lifting hook for fishing the eels to stop inflating, and discharges the air of the air guide pipe from the one-way exhaust valve under the elastic action of the return spring so that the arc-shaped hook retracts into the arc-shaped sleeve;
(6-5) the controller controls the lifting clamp to pull all eels downwards, brings all eels into the eel storage box, releases the clamp, controls the working time T2 of the water suction pump, pumps all eels in the eel storage box out together with water, and stores the eels in the eel collection box on the boat;
(6-6) the controller controls the bait supply mechanism to move and approach each lifting hook, the bait supply mechanism respectively sends the baits to the positions where the lifting hooks without the baits are located, and the first air pumps corresponding to the lifting hooks without the baits are controlled to inflate, so that the arc-shaped hook of each hook body extends out of the arc-shaped sleeve, and the baits are hooked by the arc-shaped hooks;
(6-7) the controller controls each electromagnet to be powered off, controls the bait supply mechanism to move and leave each lifting hook, and controls the first motor to drive the cross rod to move, so that the included angle between the cross rod and the strip-shaped longitudinal rod is restored to 90 degrees.
Preferably, the bait feeding mechanism comprises two guide rails arranged on the seabed, and a strip-shaped seat arranged above the two guide rails; m vertical cavities and M first air cylinders are arranged on the strip-shaped seat; the telescopic rod of each first cylinder is connected with an extrusion block, the lower end of each vertical cavity is provided with a transverse channel, each extrusion block extends into each transverse channel respectively, the left part of the strip-shaped seat is provided with a cover plate, the cover plate is connected with the strip-shaped seat through a rotating shaft, and the rotating shaft is connected with a second motor; the upper end of each vertical cavity is provided with a sealing cover, a pressing plate is arranged in each vertical cavity, each sealing cover is provided with an air pipe connected with a second inflator pump, the sealing covers are connected with the pressing plates through a plurality of elastic ropes, the lower end of each air pipe is exposed out of the lower surface of each sealing cover, bait is placed in each vertical cavity below each pressing plate, each strip-shaped seat is connected with two guide rails through a plurality of support columns, each guide rail is provided with a second air cylinder, telescopic rods of the two second air cylinders are respectively connected with the two support columns, and the second inflator pumps, the second motors, the first air cylinders and the second air cylinders are all electrically connected with the controller; the controller controls the bait supplying mechanism to move close to each hook, and the bait supplying mechanism respectively sends the baits to the positions of the hooks without the baits comprises the following steps:
the controller controls the two second cylinders to drive the two support columns to move, so that the left side of the strip-shaped seat is close to each lifting hook, and controls the second motor to drive the cover plate to turn downwards, so that the left end of each transverse channel is opened;
the controller controls the first air cylinder corresponding to the lifting hook without bait to move rightwards first, so that the extrusion block is located on the right side of the vertical cavity, then the second air pump is controlled to inflate, the pressing plate extrudes the bait downwards, then the first air cylinder is controlled to move leftwards, and the extrusion block cuts the bait and sends the bait to the position where the lifting hook without bait is located.
For the lifting hook with bait, the first cylinder corresponding to the lifting hook drives the extrusion block to stay at the left end of the transverse channel, and a sealing ring is arranged between the extrusion block and the transverse channel to prevent water from entering the vertical cavity. The bait can be made from chicken intestine, duck intestine, animal liver, etc.
Preferably, the heating mechanism comprises a heating box, a heater arranged in the heating box, 2 electromagnetic valves respectively arranged on a water inlet and a water outlet of the heating box, and a plurality of annular pipes surrounding the upright post and connected with the water outlet; each annular pipe is internally provided with a flexible shaft, each flexible shaft is provided with a helical blade, the heating box is provided with a third motor for driving the flexible shaft to rotate, each annular pipe is provided with a plurality of drain holes, the diameter of the drain hole closer to the water outlet is smaller, and the 2 electromagnetic valves and the third motors are electrically connected with the controller;
the step (6-1) is replaced by the following steps:
the temperature sensor detects the temperature of the seawater, when the temperature of the seawater is lower than A, the controller controls the electromagnetic valve on the water inlet to be opened, the electromagnetic valve on the water outlet to be closed, the seawater enters the heating box, the heater is controlled to start working, the temperature of the seawater in the heating box is raised, when the working time of the heater reaches T1, the controller controls the heater to stop working, the third motors are controlled to respectively drive the flexible shafts to rotate, the heated seawater is conveyed to the periphery of the upright post, and the eel is attracted to the periphery of the upright post.
Therefore, the invention has the following beneficial effects: the wild eel capturing efficiency is high, the labor is less, the production cost is low, and the safety is good.
Drawings
FIG. 1 is a schematic diagram of an embodiment of the present invention;
FIG. 2 is a top view of the columns, rails and side rails of the present invention;
FIG. 3 is a partial cross-sectional view of the bait feeding mechanism of the invention;
FIG. 4 is a top view of the eel storage box of the invention;
FIG. 5 is a top view of the lift clamp of the present invention;
FIG. 6 is a cross-sectional view of the hook body of the present invention;
FIG. 7 is a functional block diagram of the present invention;
FIG. 8 is a schematic diagram of one configuration of the dithering mechanism of the present invention;
fig. 9 is a schematic view of a structure of the heating mechanism of the present invention.
In the figure: upright post 1, support frame 2, first motor 3, cross bar 4, longitudinal bar 5, eel storage box 6, lifting clamp 7, bait supply mechanism 8, first air pump 9, water pump 10, lifting hook 41, spring 43, strip electromagnet 51, flip cover 61, guide bar 72, hydraulic oil cylinder 73, guide rail 81, strip seat 82, vertical cavity 83, first air cylinder 84, squeezing block 85, transverse channel 86, cover plate 87, second motor 88, support column 89, controller 101, camera 102, air duct 103, vertical bar 411, hook body 412, front flip plate 611, rear flip plate 612, reset torsion spring 613, third air cylinder 721, pressing bar 722, second air cylinder 811, cover 831, pressing plate 832, second air pump 833, air pipe, elastic rope 835, arc-shaped sleeve 4121, arc-shaped hook 4122, annular edge 41211, baffle 41221, reset shaking spring 41222, temperature sensor 204, heating mechanism 202, heating mechanism 203, A vertical plate 2021, a gear 2022, a toothed plate 2023, a vertical baffle 2024, an elastic cushion block 20231, a fixed mount 20232, a fourth motor 20233, a heating box 2031, a heater 2032, an electromagnetic valve 2033, an annular pipe 2034, a flexible shaft 2035, a helical blade 2037 and a third motor 2036.
Detailed Description
The invention is further described with reference to the following figures and detailed description.
Example 1
The embodiment shown in fig. 1 is an eel capturing device in sea, which comprises a column 1 arranged on the sea bottom, a support frame 2 arranged at the upper end of the column, a first motor 3 arranged on the support frame, a cross bar 4 connected with the first motor, 5 lifting hooks 41 arranged on the cross bar, a strip-shaped longitudinal bar 5 arranged at one side of the column, an eel storage box 6, a lifting clamp 7 arranged in the eel storage box, and a bait supply mechanism 8 close to the eel storage box; the strip-shaped longitudinal rod is provided with 5 electromagnets 51, as shown in fig. 6, the lifting hook comprises a vertical rod 411 made of iron material, and a hook body 412 arranged at the lower end of the vertical rod, the hook body comprises an arc-shaped sleeve 4121 and an arc-shaped hook 4122 with one end extending into the arc-shaped sleeve, an inward bent annular edge 41211 arranged at the lower end of the arc-shaped sleeve and a return spring 41222 arranged between baffle plates 41221 at the upper end of the arc-shaped hook, the upper part of the arc-shaped sleeve is connected with a first inflator pump 9 through an air duct 103, and the air duct is provided; as shown in fig. 4, the upper end of the eel storing box is provided with a turning cover 61, the turning cover comprises a front turning plate 611 and a rear turning plate 612, the front edge of the front turning plate and the rear edge of the rear turning plate are connected with the upper end of the eel storing box through rotating shafts, 3 reset torsion springs 613 are respectively arranged between the front edge of the front turning plate and the upper end of the eel storing box and between the rear edge of the rear turning plate and the upper end of the eel storing box, a plurality of through holes are arranged on the eel storing box, the eel storing box is connected with a water pump 10, the cross bar is provided with a camera 102 and a temperature sensor 204, the turning cover further comprises a shaking mechanism 202 for driving the cross bar to shake up and down and a heating mechanism 203 for heating the seawater temperature around the, as shown in fig. 7, the temperature sensor, the shaking mechanism, the heating mechanism, the camera, the first motor, the lifting jig, the bait feeding mechanism, the water pump, each of the first pumps, and each of the electromagnets are electrically connected to the controller 101.
As shown in fig. 1, 2, and 8, the cross bar is connected with the first motor and the column through a rotating shaft, a spring 43 is arranged on the rotating shaft, the shaking mechanism includes a vertical plate 2021, a gear 2022 arranged on the front surface of the vertical plate, a toothed plate 2023 and a vertical baffle 2024, the gear and the vertical baffle are respectively located on the left side and the right side of the toothed plate, the gear is engaged with the toothed plate, the lower end of the toothed plate can be in contact with the upper surface of the cross bar, an elastic cushion block 20231 is arranged at the lower end of the toothed plate, the lower portion of the vertical plate is fixedly connected with the seabed through a fixing frame 20232, the gear is connected with a.
As shown in fig. 5, the lifting fixture of embodiment 3 includes a hydraulic cylinder 73 disposed at the bottom of the eel storage box and two guide rods 72 disposed on the hydraulic cylinder, two corresponding third cylinders 721 are disposed on the two guide rods, and the telescopic rods of the two third cylinders are connected to two pressing bars 722 respectively; as shown in fig. 7, the hydraulic cylinder and both the third cylinders are electrically connected to the controller.
A method of marine eel capturing device, comprising the steps of:
in an initial state, controlling each first inflator pump to inflate, enabling the arc-shaped hook of each hook body to extend out of the arc-shaped sleeve, placing bait on each hook, placing the upright post on the seabed, enabling the upright post to be fixedly connected with the seabed, placing the eel storage box and the bait supply mechanism on the seabed, and enabling an included angle between the cross rod and the strip-shaped longitudinal rod to be 90 degrees;
(6-1) detecting the temperature of the seawater by a temperature sensor, controlling the heating mechanism to work for 8 minutes by a controller when the temperature of the seawater is lower than 10 ℃, conveying the heated seawater to the periphery of the upright post, and attracting the eel to the periphery of the upright post;
(6-2) shooting images of all lifting hooks by the camera, and judging whether the eel is hooked or not by the controller according to the images of all the lifting hooks;
(6-3) when the eel is found on at least one lifting hook, the controller controls the first motor to drive the cross rod to rotate, so that the cross rod is close to the strip-shaped longitudinal rod, the electromagnets are controlled to be electrified, and the electromagnets are used for firmly absorbing the vertical rods of the lifting hooks respectively;
(6-4) the controller controls the hydraulic oil cylinder to drive the two guide rods to move upwards, and controls the two third air cylinders to drive the two pressing strips to be close to and clamped by all eels; controlling a first inflator pump connected with an air duct of a lifting hook for fishing eels to stop inflating, and discharging air in the air duct from a one-way exhaust valve under the action of the elastic force of a return spring so as to enable the arc-shaped hook to retract into the arc-shaped sleeve;
(6-5) the controller controls the hydraulic oil cylinder to drive the two guide rods to move downwards, all eels are pulled downwards, all eels are brought into the eel storage box, and the two third air cylinders are controlled to drive the two pressing strips to leave all eels; controlling the water suction pump to work for 3 minutes, pumping out all eels in the eel storage tank together with water, and storing the eels in an eel collection tank on the eel storage boat;
(6-6) the controller controls the bait supply mechanism to move and approach each lifting hook, the bait supply mechanism respectively sends the baits to the positions where the lifting hooks without the baits are located, and the first air pumps corresponding to the lifting hooks without the baits are controlled to inflate, so that the arc-shaped hook of each hook body extends out of the arc-shaped sleeve, and the baits are hooked by the arc-shaped hooks;
(6-7) the controller controls each electromagnet to be powered off, controls the bait supply mechanism to move and leave each lifting hook, and controls the first motor to drive the cross rod to move, so that the included angle between the cross rod and the strip-shaped longitudinal rod is restored to 90 degrees.
Example 2
Embodiment 2 includes all the structure and method parts of embodiment 1, as shown in fig. 3, the bait feeding mechanism of embodiment 2 includes two guide rails 81 provided on the seabed, a bar-shaped seat 82 provided above the two guide rails; the strip-shaped seat is provided with 5 vertical cavities 83 and 5 first air cylinders 84; the telescopic rod of each first cylinder is connected with an extrusion block 85, the lower end of each vertical cavity is provided with a transverse channel 86, each extrusion block extends into each transverse channel, the left part of the strip-shaped seat is provided with a cover plate 87, the cover plate is connected with the strip-shaped seat through a rotating shaft, and the rotating shaft is connected with a second motor 88; the upper end of each vertical cavity is provided with a sealing cover 831, a pressing plate 832 is arranged in each vertical cavity, each sealing cover is provided with an air pipe 834 connected with a second inflator pump 833, the sealing covers and the pressing plates are connected through a plurality of elastic ropes 835, the lower end of each air pipe is exposed out of the lower surface of each sealing cover, bait is placed in each vertical cavity below each pressing plate, each strip-shaped seat is connected with two guide rails through 4 support columns 89, each guide rail is provided with a second air cylinder 811, telescopic rods of the two second air cylinders are respectively connected with the two support columns, and as shown in fig. 7, the second inflator pumps, the second motors, the first air cylinders and the second air cylinders are all electrically connected with the controllers.
The controller of embodiment 1 controls the bait feeding mechanism to move close to each hook, and the bait feeding mechanism feeds the baits to the positions of the hooks without the baits respectively comprises the following steps:
the controller controls the two second cylinders to drive the two support columns to move, so that the left side of the strip-shaped seat is close to each lifting hook, and controls the second motor to drive the cover plate to turn downwards, so that the left end of each transverse channel is opened;
the controller controls the first air cylinder corresponding to the lifting hook without bait to move rightwards first, so that the extrusion block is located on the right side of the vertical cavity, then the second air pump is controlled to inflate, the pressing plate extrudes the bait downwards, then the first air cylinder is controlled to move leftwards, and the extrusion block cuts the bait and sends the bait to the position where the lifting hook without bait is located.
Example 3
Embodiment 3 includes all the structure and method parts of embodiment 1, as shown in fig. 9, the heating mechanism includes a heating box 2031, a heater 2032 disposed in the heating box, 2 electromagnetic valves 2033 disposed on the water inlet and the water outlet of the heating box, 3 ring pipes 2034 surrounding the column and connected to the water outlet; each ring pipe is provided with a flexible shaft 2035, each flexible shaft is provided with a helical blade 2037, the heating box is provided with a third motor 2036 for driving the flexible shaft to rotate, each ring pipe is provided with a plurality of drain holes, the diameter of the drain hole closer to the water outlet is smaller, as shown in fig. 7, 2 electromagnetic valves and each third motor are electrically connected with the controller.
Step (6-1) of example 1 was replaced by the following steps:
the temperature sensor detects the temperature of the seawater, when the temperature of the seawater is lower than 10 ℃, the controller controls the electromagnetic valve on the water inlet to be opened, the electromagnetic valve on the water outlet to be closed, the seawater enters the heating box, the heater is controlled to start working, the temperature of the seawater in the heating box is raised, when the working time of the heater reaches 8 minutes, the controller controls the heater to stop working, the third motors are controlled to respectively drive the flexible shafts to rotate, the heated seawater is conveyed to the periphery of the upright post, and the eel is attracted to the periphery of the upright post.
It should be understood that this example is for illustrative purposes only and is not intended to limit the scope of the present invention. Further, it should be understood that various changes or modifications of the present invention may be made by those skilled in the art after reading the teaching of the present invention, and such equivalents may fall within the scope of the present invention as defined in the appended claims.