Device and method for catching crawling marine products
阅读说明：本技术 一种捕捞爬行海产品的装置及捕捞方法 (Device and method for catching crawling marine products ) 是由 霍孟友 于 2018-07-25 设计创作，主要内容包括：本发明涉及一种捕捞爬行海产品的装置及捕捞方法,属于海洋水产设备技术领域,装置包括捕捞管和捕捞箱；捕捞箱包括箱体,箱体中设有过滤隔板把箱体分割成上箱体和下箱体,上箱体内设有潜水泵,下箱体底部设有活动底板,活动底板与下箱体内侧壁活动连接,活动底板与过滤隔板之间形成活动仓室；下箱体外面设有网兜；捕捞管包括软管,软管一端连接有操作杆,软管另一端通过接口弯管与下箱体相连通。作业人员将捕捞管和捕捞箱同时放入水中,通过操控操作杆移动定位捕捞管到海产品的水下位置,由捕捞箱将其吸入,一般人员在船只上高效地实现爬行海产品的捕捞。(The invention relates to a device and a method for catching crawling marine products, belonging to the technical field of marine product equipment, wherein the device comprises a catching pipe and a catching box; the fishing box comprises a box body, a filtering baffle is arranged in the box body to divide the box body into an upper box body and a lower box body, a submersible pump is arranged in the upper box body, a movable bottom plate is arranged at the bottom of the lower box body and movably connected with the inner side wall of the lower box body, and a movable chamber is formed between the movable bottom plate and the filtering baffle; a net bag is arranged outside the lower box body; the fishing pipe comprises a hose, one end of the hose is connected with an operating rod, and the other end of the hose is communicated with the lower box body through a connector bent pipe. The operating personnel will catch the pipe and catch the case and put into the aquatic simultaneously, move the underwater position of location catch the pipe to the marine product through controlling the action bars, inhale it by catching the case, and general personnel realize creeping marine product on the ship high-efficiently catches.)
1. A device for catching creeping marine products is characterized by comprising a catching pipe and a catching box;
the fishing box comprises a box body, a filtering baffle is arranged in the box body, the filtering baffle divides the fishing box into an upper box body and a lower box body, a submersible pump is arranged in the upper box body, a movable bottom plate is arranged at the bottom of the lower box body and movably connected with the lower box body, and a movable chamber is formed between the movable bottom plate and the filtering baffle; the outer side of the bottom of the lower box body is provided with a net bag;
the fishing pipe comprises a hose, one end of the hose is connected with the operating rod, and the other end of the hose is communicated with the lower box body.
2. The device for catching crawling seafood as claimed in claim 1, wherein a cover plate is provided on the top of the upper box, the cover plate is movably connected with the upper box, the submersible pump is provided under the cover plate, a power line outlet is provided on the cover plate, a power line of the submersible pump extends out of the outer side of the upper box through the power line outlet, and a water outlet of the submersible pump is provided through the cover plate.
3. The device for catching crawling seafood of claim 2, wherein the cover plate is bolted to the upper box;
preferably, a hanging ring is arranged above the cover plate, and the fishing box is hung on external equipment by fastening a hanging rope on the hanging ring.
4. The device for catching crawling seafood as claimed in claim 2, wherein the operating lever is provided with a switch button, and the submersible pump power line is connected to the storage battery through the switch button;
preferably, be equipped with the camera lamp body on the action bars of hose one end, the camera lamp body cable passes through the fixed band and is connected fixedly with the action bars, and the action bars passes through fixed hoop and is connected with hose one end.
5. The device for catching crawling seafood as claimed in claim 4, further comprising a fishing vessel, wherein the fishing vessel is provided with a display and a storage battery, the camera lamp body is connected with the display and the storage battery through camera lamp body cables, respectively, and the submersible pump power line is connected with the storage battery; the fishing box is connected with the fishing workboat through a lifting rope.
6. The device for catching crawling seafood of claim 1, wherein an interface elbow is provided outside the side wall of the lower box, the lower box being in communication with the hose through the interface elbow; preferably, the front end of one end of the hose is provided with a bell mouth in a connecting way.
7. The device for catching crawling seafood as claimed in claim 5, wherein one end of the movable bottom plate is connected to the lower box through a torsion spring hinge, the movable bottom plate is inclined to the side wall of the lower box, and the other end of the movable bottom plate is connected to a pull rope of the movable bottom plate.
8. The device for catching crawling seafood of claim 7, wherein the other end of the movable bottom plate is provided with a stay cord bolting ring, the stay cord of the movable bottom plate is connected with the movable bottom plate through the stay cord bolting ring;
preferably, a guide ring sleeve is arranged on the outer side of the box body, a pull rope of the movable bottom plate penetrates through the guide ring sleeve, and a knot is arranged on the pull rope of the movable bottom plate;
preferably, the bottom end of the lower box body is provided with a box body bracket, and the pull rope of the movable bottom plate crosses over the box body bracket and is connected with the pull rope bolting ring; the outer side of the lower box body is provided with a string bag retaining ring, and the string bag is connected with the lower box body through the string bag retaining ring.
9. The device for catching crawling seafood of claim 7, wherein the inclined angle between the movable floor and the side wall of the lower box is 40 ° to 60 °.
10. A method of fishing using the device for fishing crawling seafood of claim 7, comprising the steps of:
(1) an operator drives the fishing operation boat to a specified water area, the fishing box is slowly put into water, meanwhile, the operator holds the operation rod to send the fishing operation boat into the water, the display is opened, the camera lamp body is connected, and the operator looks for marine products by observing the display;
(2) after the target is found, moving the operating rod to enable the hose to be close to the target;
under initial state, the movable base plate stay cord is in the nature state of straightening, and the movable base plate is in the closed condition under the effect of torsional spring hinge: a switch button on the operating rod is pressed, the submersible pump in the box body starts to work, seawater in the box body is pumped out of a water outlet of the submersible pump to the fishing box, and marine products enter the lower box body along with the seawater in the hose under the action of pressure difference;
(3) the marine products, the silt and the aquatic plants fall onto the movable bottom plate under the action of gravity; the seawater is sucked into an impeller of the submersible pump through the filtering baffle plate and is discharged from a water outlet of the submersible pump under the action of centrifugal force;
(4) repeating steps (2) - (3);
(5) when marine products, silt and aquatic weeds on the movable bottom plate need to be transferred to the net bag, the pull rope of the movable bottom plate is tensioned, the movable bottom plate tightly attached to the lower box body is pulled by a certain angle by overcoming the reaction torque of the torsion spring hinge, the marine products, the silt and the aquatic weeds immediately slide into the net bag, the silt and the aquatic weeds leave from meshes on the net bag under the scouring action of seawater, and the marine products are left in the net bag; the pull rope of the movable bottom plate is loosened, the lower box body is restored to the initial state under the action of the reaction torque of the torsion spring hinge, and the operator continues to perform the fishing suction operation;
(6) and (5) repeating the step (5), lifting the box body to a fishing operation ship, picking off the net bag, and taking out the marine products to realize the fishing of the marine products.
Technical Field
The invention relates to a device and a method for catching crawling marine products, in particular to a device for semi-manually catching crawling marine products such as sea cucumbers, conchs, shellfishes and the like, and belongs to the technical field of marine aquatic product equipment.
Background
Sea cucumbers have been on dining tables of common people for a long time, and particularly in recent years, the nutritive value and the nourishing effect of the sea cucumbers are more and more accepted by people, so that the sea products such as the cultured sea cucumbers become an industry with high profit.
At present, the sea cucumber catching operation is mostly finished manually: the diver needs to wear the waterproof thermal clothes and carry the oxygen cylinder or the nasal oxygen delivery pipe, then dive to the seabed where the sea cucumbers grow and carry out the sea cucumbers fishing operation, and the surface ship needs to assist the personnel to carry out protection operations such as oxygen delivery. Because the waterproof thermal clothes are expensive, general personnel only wear waterproof rubber clothes to carry out underwater operation. The lower water temperature and the larger water pressure have larger damage to divers, so that the probability of the divers suffering from occupational diseases in the sea is very high, and the sea cucumber catching is also an occupational disease with higher salary and less practitioners.
In order to replace dangerous manual work with high labor cost, some semi-automatic sea cucumber catching devices are available. Chinese patent document No. CN204540448U, entitled "a high-efficiency sea cucumber catching device" discloses a high-efficiency sea cucumber catching device, which realizes catching positioning and operation by manually remotely controlling an underwater device; the invention patent of chinese patent publication No. CN103918622A entitled "suction type sea cucumber catching device and catching method" uses a device mounted on a water surface vessel to suck sea cucumbers from the sea bottom through a thin pipe penetrating into the sea bottom.
However, the current fishing device is not practical and popularized due to the high cost of the device, the unsatisfactory fishing efficiency or the product defects.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides a catching device for catching creeping marine products such as sea cucumbers, conchs, shellfishes and the like.
The invention also discloses a fishing method of the device.
The technical scheme of the invention is as follows:
a device for catching creeping marine products comprises a catching pipe and a catching box;
the fishing box comprises a box body, a filtering partition plate is arranged in the box body and divides the fishing box into an upper box body and a lower box body, the filtering partition plate is connected with the box body through bolts, a submersible pump is arranged in the upper box body, the bottom of the lower box body is provided with a movable bottom plate, the movable bottom plate is movably connected with the lower box body, a movable chamber is formed between the movable bottom plate and the filtering partition plate, and the movable chamber is used for temporarily storing the fished marine products; the outer side of the bottom of the lower box body is provided with a net bag which is used for storing the caught marine products in batches;
the fishing pipe comprises a hose, one end of the hose is connected with an operating rod, and the other end of the hose is communicated with the lower box body.
The operating personnel put the fishing pipe and the fishing box into the water simultaneously, move and position to the underwater position of marine products by controlling the operating rod, and suck the marine products by the fishing box.
According to the invention, preferably, the top of the upper box body is provided with a cover plate, the cover plate is movably connected with the upper box body, the submersible pump is arranged below the cover plate, the cover plate is provided with a power line outlet, a power line of the submersible pump extends out of the outer side of the upper box body through the power line outlet, and a water outlet of the submersible pump penetrates through the cover plate. The submersible pump absorbs water in the upper box body when in work and discharges the water out of the upper box body through the water outlet.
Further preferably, the cover plate is bolted to the upper case.
Preferably, a hanging ring is arranged above the cover plate, and the fishing box is hung on external equipment by fastening a hanging rope on the hanging ring.
Further preferably, the operating rod is provided with a switch button, and the submersible pump power line is connected with the storage battery through the switch button. When the operating rod is held by hands to drive the hose to move, the submersible pump can be started to perform fishing operation through the switch button in time.
Further preferably, the operating rod at one end of the hose is provided with a camera lamp body, a camera lamp body cable is fixedly connected with the operating rod through a fixing band, and the operating rod is connected with one end of the hose through a fixing hoop. When an operator on the water surface operates the hose to move through the operating rod, the positions of marine products such as sea cucumbers can be checked by means of the camera lamp body on the operating rod.
Preferably, the device for fishing the crawling seafood also comprises a fishing operation ship, a display and a storage battery are arranged on the fishing operation ship, the camera lamp body is respectively connected with the display and the storage battery through a camera lamp body cable, the submersible pump power line is connected with the storage battery, the storage battery is used for supplying power to operation equipment, and the display is used for displaying the underwater condition fed back by the camera lamp body in real time; the fishing box is connected with the fishing workboat through a lifting rope. During operation, the fishing box is lowered to the water, and the operating personnel move the operating rod on the ship to fish.
According to the invention, the side wall of the lower box body is provided with an interface elbow, and the lower box body is connected with the hose through the interface elbow. The hose is not in direct contact with the lower box body, so that the hose is convenient to replace.
According to the invention, the front end of one end of the hose is provided with a bell mouth in a connecting way. The bell mouth with larger diameter is more convenient for catching.
According to the invention, one end of the movable bottom plate is movably connected with the lower box body through a torsional spring hinge, the movable bottom plate is obliquely arranged with the side wall of the lower box body, and the other end of the movable bottom plate is connected with a pull rope of the movable bottom plate. The inclination angle between the movable bottom plate and the side wall of the lower box body can be changed by dragging the pull rope of the movable bottom plate. The movable bottom plate is tightly close to the lower box body and is completely closed in the initial state or when the acting force acting on the pull rope of the movable bottom plate is cancelled; the bottom of the lower box body is opened and opened when the pull rope of the movable bottom plate is pulled.
Preferably, the other end of the movable bottom plate is provided with a pull rope fastening ring, and the pull rope of the movable bottom plate is connected with the movable bottom plate through the pull rope fastening ring.
Preferably, the outer side of the box body is provided with a guide ring sleeve, the movable bottom plate pull rope penetrates through the guide ring sleeve, and the movable bottom plate pull rope is provided with a knot. The knot can make the activity bottom plate stay cord be in the tensioning state under the condition that activity bottom plate is totally closed.
Preferably, the bottom end of the lower box body is provided with a box body support, and the pull rope of the movable bottom plate crosses over the box body support to be connected with the pull rope bolting ring. The box body support not only provides a force application point for the pull rope of the movable bottom plate, but also can provide reliable and stable physical support for the box body when the fishing box does not carry out fishing operation. When the fishing cage is on the water surface, the net bag can be taken down, and the box body is stably placed on the fishing operation ship under the action of the box body support, so that the fishing cage is convenient to transport.
Further preferably, a string bag retaining ring is arranged on the outer side of the lower box body, and the string bag is connected with the lower box body through the string bag retaining ring. When the marine products in the net bag are stored to a certain amount, the net bag can be quickly taken down to take out the marine products in the net bag.
Further preferably, the inclined included angle between the movable bottom plate and the side wall of the lower box body is 40-60 degrees.
A fishing method using the device for fishing the creeping seafood comprises the following steps:
(1) an operator drives the fishing operation ship to a specified water area, loosens the lifting rope to slowly place the fishing box into water, meanwhile, the operator sends the handheld operation rod and the fishing pipe into the water, opens the display, switches on the camera lamp body, and searches for target marine products by observing the display; the length of the lifting rope can be adjusted according to the water depth and the position of the marine product;
(2) after the target is found, the operating rod is moved to enable the hose with the bell mouth to be close to the target, and the hose has certain deformation capacity and length, so that the hose can be well adapted to the connection relation among the box body, the hose and the operating rod;
the pull rope of the movable bottom plate is in a natural straightening state, when the movable bottom plate is in a closed state under the action of the torsion spring hinge, the switch button on the operating rod is pressed for a few seconds, the submersible pump in the box body works to pump seawater in the box body out of the box body, and marine products enter the lower box body along with seawater in the hose under the action of pressure difference;
(3) the marine products, the silt and the aquatic weeds fall onto a movable bottom plate which forms an angle of about 60 degrees with the lower box body under the action of gravity; the filter baffle is provided with a micro through hole, seawater is sucked into the impeller of the submersible pump through the filter baffle and is finally discharged from the water outlet of the submersible pump under the action of centrifugal force;
(4) repeating the steps (2) to (3), and accumulating more and more marine products, silt and aquatic weeds on the movable bottom plate;
(5) after fishing and sucking operations are carried out for several times, when marine products, silt and aquatic weeds temporarily accumulated on the movable bottom plate need to be transferred to the net bag due to the problems of quantity and space, at the moment, the movable bottom plate pull rope with one end tied to the pull rope bolting ring is tensioned, the movable bottom plate tightly attached to the lower box body is pulled by a certain angle by overcoming the reaction torque of the torsional spring hinge, the marine products, the silt and the aquatic weeds immediately slide into the net bag, the silt and the aquatic weeds leave from meshes on the net bag under the scouring action of seawater, and the marine products are left in the net bag; after the pull rope of the movable bottom plate is pulled open for tens of seconds, the pull rope of the movable bottom plate is loosened, the lower box body is restored to the initial state under the action of the reaction torque of the torsion spring hinge, and an operator can continue to perform suction fishing operation;
(6) and (5) repeating the step (5), after the movable bottom plate pull rope is tensioned and loosened for a plurality of times (a certain amount of marine products are harvested in the net bag), dragging the lifting rope to lift the box body to the fishing operation ship, picking off the net bag, taking out the marine products, and realizing the fishing of the marine products.
The invention has the beneficial effects that:
1. the technical scheme of the invention has the advantages of clear structure and low cost, the submersible pump is arranged in the closed containing cavity at the upper part of the box body and sinks into water along with the box body, and the submersible pump effectively prevents impurities such as silt, aquatic weeds and the like from entering the impeller of the submersible pump under the action of the filtering baffle plate, and the cover plate is favorable for the installation and maintenance of the submersible pump, thereby effectively prolonging the service life of the submersible pump. The service life of the impeller, the shaft, the sealing device and other easily damaged parts of the submersible pump is different from three months to one year under the common working condition, the submersible pump is placed on the impeller, the shaft, the sealing device and other easily damaged parts, so that sundries such as silt, aquatic weeds and the like can be effectively prevented from entering the submersible pump, the working condition of the submersible pump is greatly improved, and the service life of the submersible pump can be prolonged by more than one time under the condition of not replacing the devices.
2. The technical scheme of the invention can be used for progressively storing the caught marine products layer by layer, and the movable bottom plate can be tightly attached to the box body and can also be opened at a certain angle relative to the box body. When the movable bottom plate is tightly attached to the box body, the pull rope of the movable bottom plate is in a relaxed state, the movable bottom plate is tightly attached to the box body under the action of the reaction torque of the torsion spring hinge, and the captured marine products are temporarily stored in a closed containing cavity formed by the lower box body, the filtering partition plate and the movable bottom plate; when catching a certain number of marine products, can shift the marine product of catching to the string bag in, for the operation provides the space of following continuation fishing, taut activity bottom plate stay cord overcomes the reaction moment of torsional spring hinge this moment, makes the activity bottom plate open certain angle relative to the box, and the marine product of catching falls naturally to the string bag in.
Compared with a cavity with a fixed shape, the net bag has larger volume and is particularly suitable for catching crawling marine products such as sea cucumbers, conchs, shellfishes and the like, the net bag is also a catching tool with a plurality of meshes, and when the caught marine products fall into the net bag, silt mixed in the middle of the marine products naturally leaves the net bag through the meshes; when silt and aquatic weeds pass through the filtering partition plate and enter the upper box body where the submersible pump is located, the silt and the aquatic weeds possibly influence the normal operation of the submersible pump. At the moment, the nut can be loosened to open the cover plate, and the nut is screwed down to close the cover plate after the submersible pump is taken out and silt and aquatic plants are removed. After the quantity of the sea products in the net bag reaches a certain degree, the box body is lifted to the operation ship, and the net bag is picked off to harvest the marine products. In order to facilitate the taking and changing of the net bag and improve the operation efficiency, the net bag is hung on a snap ring of the net bag of the box body.
Drawings
FIG. 1 is an overall schematic view of the crawling seafood fishing device of the present invention;
FIG. 2 is a front view of the underwater fishing apparatus of the present invention;
FIG. 3 is a right side view of the underwater fishing apparatus of the present invention;
the reference numbers in the figures are: the fishing operation boat comprises a fishing operation boat 1, a display 2, a storage battery 3, a lifting
Detailed Description
The present invention will be further described by way of examples, but not limited thereto, with reference to the accompanying drawings.
As shown in fig. 1-3.
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