CN112841139B - Fishing net casting device - Google Patents

Fishing net casting device Download PDF

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Publication number
CN112841139B
CN112841139B CN202011561046.2A CN202011561046A CN112841139B CN 112841139 B CN112841139 B CN 112841139B CN 202011561046 A CN202011561046 A CN 202011561046A CN 112841139 B CN112841139 B CN 112841139B
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fishing net
hole
support
plate
telescopic rod
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CN112841139A (en
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康敏
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Luoyuan Fangzhou Commerce And Trade Service Center
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Luoyuan Fangzhou Commerce And Trade Service Center
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    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01K—ANIMAL HUSBANDRY; AVICULTURE; APICULTURE; PISCICULTURE; FISHING; REARING OR BREEDING ANIMALS, NOT OTHERWISE PROVIDED FOR; NEW BREEDS OF ANIMALS
    • A01K73/00—Drawn nets
    • A01K73/02—Trawling nets
    • A01K73/04—Devices for spreading or positioning, e.g. control thereof
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A40/00—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
    • Y02A40/80—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in fisheries management
    • Y02A40/81—Aquaculture, e.g. of fish

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  • Life Sciences & Earth Sciences (AREA)
  • Environmental Sciences (AREA)
  • Animal Husbandry (AREA)
  • Biodiversity & Conservation Biology (AREA)

Abstract

The invention relates to the technical field of fishery tools, in particular to a fishing net casting device, which comprises a rack, a casting mechanism and a loading mechanism, wherein a loading disc is arranged right above a through hole at one end of a first support, a first motor is arranged on a second support and is positioned right below the through hole of the first support, and an annular needle plate and an object placing seat are sequentially arranged between the first motor and the loading disc from top to bottom; the projection mechanism comprises a bottom plate, a sliding plate and a telescopic rod, two ends of the telescopic rod are respectively connected with the bottom plate and the sliding plate, and the sliding plate and the fishing net loaded on the loading plate are located on the same plane. And the two sides of the bottom plate are also respectively connected with the telescopic rod in a transmission manner and drive the telescopic rod to move towards one end along the other end of the first support. The fishing net is ejected to the outside through the second cylinder effect and the thrust on the telescopic link, and the high efficiency that the fishing net was thrown is laborsaving in the realization.

Description

Fishing net casting device
Technical Field
The invention relates to the technical field of fishery tools, in particular to a fishing net casting device.
Background
The prior fishing net casting mode mainly adopts hand casting and casting at fixed points on the shore or on the ship, but the net casting by hand has the problems of limited net casting range, strong skill and time and labor waste in net casting. Unmanned aerial vehicle is by extensive civilian back, and unmanned aerial vehicle also uses gradually in the fishing of spilling the net, but unmanned aerial vehicle load weight is limited, can't undertake the throwing of large tracts of land fishing net. The fishing net can be thrown in a time-saving and labor-saving manner, and a device with a good throwing effect of the fishing net is ensured.
Disclosure of Invention
The technical problem to be solved by the invention is as follows: provides a fishing net casting device, which can realize the automatic casting of the fishing net.
In order to solve the technical problems, the invention adopts the technical scheme that:
provides a fishing net casting device, which comprises a frame, a casting mechanism and a loading mechanism;
the rack comprises a first bracket and a second bracket, and the first bracket is positioned right above the second bracket;
the projection mechanism and the loading mechanism are both arranged on the rack;
one end of the first bracket is provided with a through hole, and the projection mechanism is arranged at the other end of the first bracket;
the loading mechanism comprises a loading disc, an object placing seat, an annular needle plate, a first rotating shaft and a first motor, the loading disc is arranged right above a through hole at one end of a first support, the first motor is arranged on a second support and is positioned right below the through hole of the first support, and the annular needle plate and the object placing seat are sequentially arranged between the first motor and the loading disc from top to bottom;
the center of the object placing seat is provided with a shaft hole matched with the first rotating shaft, the center of the annular needle plate is provided with a circular annular hole, the annular hole is opposite to and coaxial with the shaft hole, and the diameter of the annular hole is larger than that of the first rotating shaft;
one end of the first rotating shaft is connected with the driving end of the first motor, the other end of the first rotating shaft sequentially penetrates through the shaft hole and the annular hole to be connected with the lower end face of the loading disc, and the other end of the first rotating shaft is in transmission connection with the object placing seat and the loading disc respectively so as to drive the loading disc and the object placing seat to rotate;
the fishing net is loaded on the upper end face of the loading plate, more than two first connecting holes are formed in the side wall corresponding to the upper end face of the loading plate, and the more than two first connecting holes are distributed circumferentially along the central position of the loading plate;
the fishing net is also provided with a power assisting ring, and the power assisting ring is arranged on the upper surface of the fishing net; the power assisting ring is provided with more than two second connecting holes, and the number of the second connecting holes is equal to that of the first connecting holes and is arranged in a one-to-one correspondence manner;
the upper end surface of the annular needle plate is provided with more than two contact pins, and the number of the contact pins is equal to that of the second connecting holes and is arranged in a one-to-one correspondence manner;
the upper end surface of the object placing seat is also provided with two first cylinders which are symmetrically arranged, telescopic shafts of the first cylinders are connected with the lower end surface of the annular needle plate, and the first cylinders drive the annular needle plate to move between a first position and a second position along the axial direction of the first rotating shaft; when the contact pin is located at a first position, the contact pin is located right below the loading disc, and when the contact pin moves from the first position to a second position, the contact pin sequentially penetrates through the first connecting hole and the second connecting hole;
the projection mechanism comprises a bottom plate, a sliding plate and a telescopic rod, and two ends of the telescopic rod are respectively connected with the bottom plate and the sliding plate; the bottom plate is connected with the side wall positioned on the other end of the rack, and the sliding plate and the fishing net loaded on the loading plate are positioned on the same plane;
and two sides of the bottom plate are respectively provided with a second cylinder, and telescopic shafts of the two second cylinders are jointly in transmission connection with the telescopic rod and drive the telescopic rod to move towards one end along the other end of the first support.
The invention has the beneficial effects that:
the fishing net casting device provided by the invention loads a fishing net on a loading disc, drives a contact pin on an annular needle plate to sequentially penetrate through a first connecting hole and a second connecting hole through a first cylinder so as to fix the fishing net on the loading disc, and drives a loading mechanism to rotate by driving a first motor so as to further drive a power assisting ring on the fishing net to rotate. After the helping hand ring received rotatory centrifugal force effect to obtain rotation speed, start the second cylinder in the mechanism of throwing in order to drive the telescopic link is followed the other end of first support and is moved to one end direction, and the thrust that acts on the telescopic link through the second cylinder launches the fishing net to the outside, and the helping hand ring has initial rotation speed when launching to the outside for the fishing net can be expanded gradually by the rotatory centrifugal action of helping hand ring in the air motion process, realizes that the fishing net is laid by a large scale, and throws the fishing net through throwing the mechanism, and is high-efficient laborsaving.
Drawings
FIG. 1 is a schematic structural diagram of a fishing net casting device according to a first embodiment of the invention;
FIG. 2 is a top view of a fishing net casting device according to a first embodiment of the invention;
FIG. 3 is a schematic structural view of a fishing net casting device according to a second embodiment of the invention;
FIG. 4 is a top view of a fishing net casting device according to a second embodiment of the invention;
FIG. 5 is a side view of a fishing net casting device according to a second embodiment of the invention;
FIG. 6 is a schematic structural diagram of a fishing net casting device according to a fourth embodiment of the invention;
description of the reference symbols:
1. a base; 11. a second motor;
2. a frame; 21. a first bracket; 22. a second bracket; 211. a through hole;
3. a projection mechanism; 31. a base plate; 32. a slide plate; 33. a telescopic rod; 34. a second cylinder; 35. a resisting plate; 36. a support rod; 37. a spring; 38. a third cylinder;
4. a loading mechanism; 41. a loading tray; 42. a placement seat; 43. an annular needle plate; 44. a first rotating shaft; 45. a first motor; 46. a first cylinder;
5. a fishing net; 51. a booster ring; 511. and a second connection hole.
Detailed Description
In order to explain technical contents, achieved objects, and effects of the present invention in detail, the following description is made with reference to the accompanying drawings in combination with the embodiments.
Referring to fig. 1 to 6, a fishing net casting device is provided, which comprises a frame, a projecting mechanism and a loading mechanism;
the rack comprises a first bracket and a second bracket, and the first bracket is positioned right above the second bracket;
the projection mechanism and the loading mechanism are both arranged on the rack;
one end of the first bracket is provided with a through hole, and the projection mechanism is arranged at the other end of the first bracket;
the loading mechanism comprises a loading disc, an object placing seat, an annular needle plate, a first rotating shaft and a first motor, the loading disc is arranged right above a through hole at one end of a first support, the first motor is arranged on a second support and is positioned right below the through hole of the first support, and the annular needle plate and the object placing seat are sequentially arranged between the first motor and the loading disc from top to bottom;
the center of the object placing seat is provided with a shaft hole matched with the first rotating shaft, the center of the annular needle plate is provided with a circular annular hole, the annular hole is opposite to and coaxial with the shaft hole, and the diameter of the annular hole is larger than that of the first rotating shaft;
one end of the first rotating shaft is connected with the driving end of the first motor, the other end of the first rotating shaft sequentially penetrates through the shaft hole and the annular hole to be connected with the lower end face of the loading disc, and the other end of the first rotating shaft is respectively in transmission connection with the article placing seat and the loading disc so as to drive the loading disc and the article placing seat to rotate;
the fishing net is loaded on the upper end face of the loading disc, more than two first connecting holes are formed in the side wall corresponding to the upper end face of the loading disc, and the more than two first connecting holes are circumferentially distributed along the central position of the loading disc;
the fishing net is also provided with a power assisting ring, and the power assisting ring is arranged on the upper surface of the fishing net; the power assisting ring is provided with more than two second connecting holes, and the number of the second connecting holes is equal to that of the first connecting holes and is arranged in a one-to-one correspondence manner;
the upper end face of the annular needle plate is provided with more than two contact pins, and the number of the contact pins is equal to that of the second connecting holes and the contact pins are arranged in a one-to-one correspondence manner;
the upper end face of the object placing seat is also provided with two first cylinders which are symmetrically arranged, telescopic shafts of the first cylinders are connected with the lower end face of the annular needle plate, and the first cylinders drive the annular needle plate to move between a first position and a second position along the axial direction of a first rotating shaft; when the contact pin is located at a first position, the contact pin is located right below the loading disc, and when the contact pin moves from the first position to a second position, the contact pin sequentially penetrates through the first connecting hole and the second connecting hole;
the projection mechanism comprises a bottom plate, a sliding plate and a telescopic rod, and two ends of the telescopic rod are respectively connected with the bottom plate and the sliding plate; the bottom plate is connected with the side wall positioned on the other end of the rack, and the sliding plate and the fishing net loaded on the loading plate are positioned on the same plane;
and two sides of the bottom plate are respectively provided with a second cylinder, and telescopic shafts of the two second cylinders are jointly in transmission connection with the telescopic rod and drive the telescopic rod to move towards one end along the other end of the first support.
From the above description, the beneficial effects of the present invention are: the fishing net casting device loads a fishing net on a loading disc, and pins on an annular needle plate are driven by a first cylinder to sequentially penetrate through a first connecting hole and a second connecting hole so that the fishing net is fixed on the loading disc, and a first motor is driven to drive a loading mechanism to rotate so as to further drive a power-assisted ring on the fishing net to rotate. After the helping hand ring received rotatory centrifugal force effect to obtain rotation speed, start the second cylinder in the mechanism of throwing in order to drive the telescopic link is followed the other end of first support and is moved to one end direction, and the thrust that acts on the telescopic link through the second cylinder launches the fishing net to the outside, and the helping hand ring has initial rotation speed when launching to the outside for the fishing net can be expanded gradually by the rotatory centrifugal action of helping hand ring in the air motion process, realizes that the fishing net is laid by a large scale, and throws the fishing net through throwing the mechanism, and is high-efficient laborsaving.
Furthermore, the projection mechanism further comprises two third air cylinders and a supporting plate, the supporting plate is arranged between the bottom plate and the sliding plate, the supporting plate is fixedly connected with the telescopic rod, a spring is arranged between the supporting plate and the bottom plate, and the telescopic shafts of the second air cylinders respectively support against two sides of the supporting plate; when the second cylinder drives the telescopic rod to move towards one end of the rack along the other end of the rack, the spring is compressed;
the two third cylinders are respectively arranged on two axial sides of the telescopic rod, telescopic shafts of the two third cylinders are respectively connected with the two second cylinders, and the telescopic directions of the telescopic shafts of the three cylinders are perpendicular to the axial direction of the telescopic rod.
As can be seen from the above description, a spring is arranged between the abutting plate and the bottom plate, and the spring acts on the fishing net through the elastic force of the spring, so that the throwing of the fishing net is realized.
Further, the up end of first support still is equipped with two spacing seats, two spacing seat is located respectively between bottom plate and the slide and arranges the setting in proper order along the axial of telescopic link, be equipped with on the spacing seat with the spacing hole of the coaxial setting of telescopic link, the aperture in spacing hole is 32mm, the diameter of telescopic link is 30mm.
According to the above description, realize the spacing of telescopic link motion process through spacing seat, simultaneously, the aperture in the spacing hole of spacing seat is 32mm, and the diameter of telescopic link is 30mm, can guarantee through spacing seat that the telescopic link maximum excursion displacement is spacing within 2mm when the motion, can guarantee to throw the fishing net to the outside when thrust on the telescopic link acts on the fishing net.
Further, when the contact pin moves from a first position to a second position, the contact pin is in interference fit with the second connecting hole, and the contact pin is in clearance fit with the first connecting hole.
From the above description, when the contact pin moves from the first position to the second position, the contact pin is in interference fit with the second connection hole, and the power-assisted ring is fixed by the contact pin and is driven to rotate. The contact pin is in clearance fit with the first connecting hole, so that the contact pin can move in the first connecting hole conveniently.
Further, when the contact pin moves from a first position to a second position, the contact pin is in interference fit with the first connecting hole and the second connecting hole respectively.
As can be seen from the above description, the contact pins respectively and the first connection holes and the second connection holes are in interference fit to realize stable connection of the needle plate with the loading disc and the power ring, so that the power ring is loaded on the loading disc for rotation and has sufficient rotational stability.
Furthermore, the first connecting hole is provided with a V-shaped guide surface close to the orifice end of the contact pin.
As can be seen from the above description, the first connection hole is provided with a V-shaped guide surface near the orifice end of the pin to guide the pin to be inserted, so as to facilitate the insertion of the pin into the first connection hole.
The rack is arranged on the base, a second rotating shaft is arranged on the lower end face of the other end of the rack, and the first support and the second support are respectively connected with the second rotating shaft;
the second motor is arranged on the base, and a driving shaft of the second motor is in transmission connection with the second rotating shaft to drive the rack to rotate along the horizontal direction.
As can be seen from the above description, the second rotating shaft and the second motor drive the rack to rotate along the horizontal direction, so that the casting direction of the fishing net can be adjusted.
Furthermore, the first support is arranged in an inclined manner in the vertical direction, one end of the first support is higher than the other end of the first support, and an included angle formed between the plane where the first support is located and the horizontal plane is 15 degrees.
As can be seen from the above description, when the included angle formed between the plane where the first support is located and the horizontal plane is 15 degrees, the fishing net is thrown upwards for 15 degrees, and the spreading of the net surface of the fishing net is facilitated.
Furthermore, more than two fan blades are arranged on the outer side wall of the power assisting ring at equal intervals along the circumference, an inclined angle is formed between a plane perpendicular to the axial direction of the power assisting ring and a plane where the fan blades are located, the angle range of the inclined angle is 10-30 degrees, the radius of the power assisting ring is 25cm, and the radius of the fan blades is 8cm.
From the above description, it can be known that the outer side wall of the power-assisted ring is provided with more than two fan blades which are equidistantly distributed along the circumference, the centrifugal force of the power-assisted ring is increased through the fan blades of the power-assisted ring while the fishing net is thrown, when the plane where the fan blades are located forms an inclination angle and the angle range of the inclination angle is 10-30 degrees, the fan blades can be acted by lateral wind force during rapid movement, the rotating speed in the air is increased, and meanwhile, the falling time of the power-assisted ring is prolonged under the action of the centrifugal force due to the action of the lifting force of air, and the rotating distance of the power-assisted ring is increased, so that the spreading area of the fishing net is greatly increased under the action of the power-assisted ring.
Furthermore, a spring rubber pad is arranged on the end face, close to the end far away from the telescopic rod, of the sliding plate. As can be known from the above description, the spring rubber pad is arranged on the end face of the sliding plate close to the end far away from the telescopic rod, so that the ejection effect of the sliding plate can be increased.
Referring to fig. 1 to fig. 2, a first embodiment of the present invention is:
provides a fishing net casting device, which comprises a base 1, a frame 2, a casting mechanism 3 and a loading mechanism 4. The frame is arranged on the base and comprises a first support 21 and a second support 22, and the first support is positioned right above the second support. The projection mechanism and the loading mechanism are both arranged on the rack, a through hole 211 is formed in one end of the first support, and the projection mechanism is arranged at the other end of the first support.
The loading mechanism comprises a loading disc 41, an object placing seat 42, an annular needle plate 43, a first rotating shaft 44 and a first motor 45, the loading disc is arranged right above a through hole at one end of a first support, the first motor is arranged on a second support and located right below the through hole of the first support, and the annular needle plate and the object placing seat are sequentially arranged between the first motor and the loading disc from top to bottom. Specifically, put the central point of thing seat put be equipped with the shaft hole of first pivot looks adaptation, the central point of annular faller puts and is equipped with the circular shape annular ring, the annular ring with the shaft hole is relative and coaxial setting, be equipped with first bearing in the shaft hole. The diameter of the annular hole is larger than that of the first rotating shaft. One end of the first rotating shaft is connected with a driving end of the first motor, the other end of the first rotating shaft sequentially penetrates through the shaft hole and the annular hole to be connected with the lower end face of the loading disc, the other end of the first rotating shaft is connected with a first bearing in the shaft hole, a second bearing is arranged on the lower end face of the loading disc, and the end portion of the other end of the first rotating shaft is connected with the second bearing, so that the first rotating shaft is respectively in transmission connection with the object placing and loading disc, and the loading disc and the object placing seat are driven to rotate through the first rotating shaft when the first motor is driven.
The fishing net 5 is loaded on the upper end face of the loading plate, more than two first connecting holes are formed in the side wall corresponding to the upper end face of the loading plate, the more than two first connecting holes are circumferentially distributed along the center of the loading plate, and preferably, the number of the connecting holes is twelve. The fishing net is also provided with a power assisting ring 51, and the power assisting ring is arranged on the upper surface of the fishing net; the power assisting ring is provided with more than two second connecting holes 511, and the number of the second connecting holes is equal to that of the first connecting holes and the second connecting holes are arranged in a one-to-one correspondence manner. The upper end surface of the annular needle plate is provided with more than two contact pins, and the number of the contact pins is equal to that of the second connecting holes and is arranged in a one-to-one correspondence manner;
the upper end face of the object placing seat is further provided with two first air cylinders 46 which are symmetrically arranged, telescopic shafts of the first air cylinders are connected with the lower end face of the annular needle plate, and the first air cylinders drive the annular needle plate to move between a first position and a second position along the axial direction of the first rotating shaft. When the contact pin is located at the first position, the contact pin is located under the loading disc, and when the contact pin moves from the first position to the second position, the contact pin sequentially penetrates through the first connecting hole and the second connecting hole.
The projection mechanism comprises a bottom plate 31, a sliding plate 32 and an expansion rod 33, wherein two ends of the expansion rod are respectively connected with the bottom plate and the sliding plate; the bottom plate is connected with the side wall positioned at the other end of the rack, and the sliding plate and the fishing net loaded on the loading plate are positioned on the same plane. The both sides of bottom plate still are equipped with second cylinder 34 respectively, two the flexible direction of the telescopic shaft of second cylinder with the flexible direction syntropy of telescopic link, and two the telescopic shaft of second cylinder jointly with the telescopic link transmission is connected and is driven the telescopic link moves to one end direction along the other end of first support. Specifically, in an initial state, the first cylinder drives the contact pin to move to a second position, and at the moment, the contact pin sequentially penetrates through the first connecting hole and the second connecting hole. And the contact pin is in interference fit with the second connecting hole, and the contact pin is in clearance fit with the first connecting hole, so that the boosting ring is fixed with the contact pin. Start first motor, drive through first pivot and put the cylinder synchronous revolution on the thing seat, the cylinder drives the faller rotation, helping hand ring on the fishing net is rotatory under the contact pin effect. The second cylinder promotes the telescopic link is along the other end of first support to one end direction motion, when the contact of slide on the telescopic link and the helping hand ring on the fishing net, first cylinder drive contact pin removes to primary importance from the second place, the fishing net throws the fishing net to the outside through the thrust that the cylinder acted on the telescopic link, and the helping hand ring has initial rotation speed when launching to the outside for the fishing net can launch gradually by the rotatory centrifugal action of helping hand ring in the aerial motion process, realizes that the fishing net is laid by a large scale, and throws the fishing net through throwing the mechanism, and is high-efficient laborsaving.
In this embodiment, the projection mechanism further includes a support plate 35 and two support rods 36, the support plate is disposed between the bottom plate and the sliding plate, and the support plate is fixedly connected to the telescopic rod. The telescopic ends of the two second cylinders are respectively connected with one ends of the two abutting rods, and the other ends of the abutting rods are fixedly connected with the abutting plates, so that the abutting plates are driven to move through the second cylinders, and then the telescopic rods are driven to drive the telescopic rods to move towards one end of the rack along the other end of the rack. In this embodiment, the up end of first support still is equipped with two spacing seats, two spacing seat is located respectively between bottom plate and the slide and arranges the setting in proper order along the axial of telescopic link, be equipped with on the spacing seat with the spacing hole of the coaxial setting of telescopic link, the aperture in spacing hole is 32mm, the diameter of telescopic link is 30mm. Realize the spacing of telescopic link motion process through spacing seat, simultaneously, the aperture in the spacing hole of spacing seat is 32mm, and the diameter of telescopic link is 30mm, can guarantee through spacing seat that the telescopic link is the biggest offset when the motion by spacing within 2mm, can throw the fishing net to the outside when can guaranteeing thrust on the telescopic link to act on the fishing net.
In this embodiment, first connecting hole is close to the drill way end of contact pin is equipped with V type spigot surface, plays the guide effect to inserting of contact pin, is convenient for the contact pin to insert in first connecting hole.
In this embodiment, still be equipped with second motor 11 on the base, the lower terminal surface of the other end of frame is equipped with the second pivot, the one end of second pivot simultaneously with first support and second shelf fixed connection, the other end of second pivot is connected with the drive shaft transmission of the second motor on the base, drives through driving the second motor the frame is rotatory along the horizontal direction to can adjust the casting direction of fishing net.
In this embodiment, the outer side wall of the power assisting ring is provided with more than two fan blades which are equidistantly distributed along the circumference, an inclined angle is formed between a plane perpendicular to the axial direction of the power assisting ring and a plane where the fan blades are located, the angle range of the inclined angle is 10-30 degrees, the radius of the power assisting ring is 25cm, and the radius of the fan blades is 8cm. The outer side wall of the power assisting ring is provided with more than two fan blades which are distributed at equal intervals along the circumference, and the rotating centrifugal force of the power assisting ring is increased through the fan blades of the power assisting ring when the fishing net is thrown.
In this embodiment, the slide is close to and is kept away from be equipped with the spring rubber pad on the terminal surface of telescopic link one end. As can be known from the above description, the spring rubber pad is arranged on the end face of the sliding plate close to the end far away from the telescopic rod, so that the ejection effect of the sliding plate can be increased.
Referring to fig. 3 to 5, a second embodiment of the present invention is: the difference from the first embodiment is that the projection mechanism is further improved, specifically: a spring 37 is further arranged between the abutting plate and the bottom plate, the telescopic end of the second cylinder is connected with one end of the abutting rod, and the other end of the abutting rod is in abutting contact with the abutting plate.
The projection mechanism further comprises two third air cylinders 38, telescopic shafts of the two second air cylinders are respectively abutted against two sides of the abutting plate, and the telescopic directions of the telescopic shafts of the two second air cylinders are the same as the telescopic direction of the telescopic rod. In an initial state, the second cylinder drives the telescopic rod to move towards the other end of the rack along one end of the first support, and at the moment, the spring is compressed. The two third cylinders are respectively arranged on two axial sides of the telescopic rod, telescopic shafts of the two third cylinders are respectively connected with the two second cylinders, and the telescopic directions of the telescopic shafts of the three cylinders are perpendicular to the axial direction of the telescopic rod. When the contact pin is located the second position, the third cylinder drive the second cylinder is kept away from the telescopic shaft direction motion to make two break away from between second cylinder and the resisting plate, and the spring that compressed this moment receives the spring action to do the motion that resets, the telescopic link passes through the drive of resisting plate and moves to the one end direction of frame along the other end of first support under the effort that the spring resets, when slide on the telescopic link and the helping hand ring contact on the fishing net, casts the fishing net to the outside.
Referring to fig. 1 to 6, a third embodiment of the present invention is: the difference with the first embodiment is that the loading mechanism is further improved, specifically: when the contact pin moves from a first position to a second position, the contact pin is in interference fit with the first connecting hole and the second connecting hole respectively. The contact pin respectively with first connecting hole and second connecting hole interference fit can realize the stable connection of faller and loading dish and helping hand ring for the helping hand ring is loaded and is rotated on loading the dish and has sufficient rotational stability.
Referring to fig. 6, a fourth embodiment of the present invention is: the difference with the first embodiment is that the frame is further improved, specifically: the first support is obliquely arranged in the vertical direction, one end of the first support is higher than the other end of the first support, and an included angle formed between the plane where the first support is located and the horizontal plane is 15 degrees. When an included angle formed between the plane where the first support is located and the horizontal plane is 15 degrees, the fishing net is thrown upwards for 15 degrees, and the fishing net is assisted to be unfolded.
In summary, according to the fishing net casting device provided by the invention, a fishing net is loaded on a loading tray, and the first cylinder drives the contact pins on the annular needle plate to sequentially penetrate through the first connecting hole and the second connecting hole, so that the fishing net is fixed on the loading tray, and the first motor is driven to drive the loading mechanism to rotate, thereby further driving the power assisting ring on the fishing net to rotate. After the helping hand ring received rotatory centrifugal force effect to obtain rotation speed, start the second cylinder in the mechanism of throwing in order to drive the telescopic link is followed the other end of first support and is moved to one end direction, and the thrust that acts on the telescopic link through the second cylinder launches the fishing net to the outside, and the helping hand ring has initial rotation speed when launching to the outside for the fishing net can be expanded gradually by the rotatory centrifugal action of helping hand ring in the air motion process, realizes that the fishing net is laid by a large scale, and throws the fishing net through throwing the mechanism, and is high-efficient laborsaving.
The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all equivalent changes made by using the contents of the present specification and the drawings, or applied directly or indirectly to the related technical fields, are included in the scope of the present invention.

Claims (10)

1. A fishing net casting device is characterized by comprising a rack, a casting mechanism and a loading mechanism;
the rack comprises a first bracket and a second bracket, and the first bracket is positioned right above the second bracket;
the projection mechanism and the loading mechanism are both arranged on the rack;
one end of the first bracket is provided with a through hole, and the projection mechanism is arranged at the other end of the first bracket;
the upper end face of the first support is also provided with two limiting seats, the two limiting seats are respectively positioned between the bottom plate and the sliding plate and are sequentially arranged along the axial direction of the telescopic rod, and the limiting seats are provided with limiting holes which are coaxial with the telescopic rod;
the loading mechanism comprises a loading disc, an object placing seat, an annular needle plate, a first rotating shaft and a first motor, the loading disc is arranged right above a through hole of a first support, the first motor is arranged on a second support and is positioned right below the through hole of the first support, and the annular needle plate and the object placing seat are sequentially arranged between the first motor and the loading disc from top to bottom;
the center of the object placing seat is provided with a shaft hole matched with the first rotating shaft, the center of the annular needle plate is provided with a circular annular hole, the annular hole is opposite to and coaxial with the shaft hole, and the diameter of the annular hole is larger than that of the first rotating shaft;
one end of the first rotating shaft is connected with the driving end of the first motor, the other end of the first rotating shaft sequentially penetrates through the shaft hole and the annular hole to be connected with the lower end face of the loading disc, and the other end of the first rotating shaft is in transmission connection with the object placing seat and the loading disc respectively so as to drive the loading disc and the object placing seat to rotate;
the fishing net is loaded on the upper end face of the loading disc, more than two first connecting holes are formed in the side wall corresponding to the upper end face of the loading disc, and the more than two first connecting holes are circumferentially distributed along the central position of the loading disc;
the fishing net is also provided with a power assisting ring, and the power assisting ring is arranged on the upper surface of the fishing net; the power assisting ring is provided with more than two second connecting holes, and the number of the second connecting holes is equal to that of the first connecting holes and is arranged in a one-to-one correspondence manner;
the upper end surface of the annular needle plate is provided with more than two contact pins, and the number of the contact pins is equal to that of the second connecting holes and is arranged in a one-to-one correspondence manner;
the upper end face of the object placing seat is also provided with two first cylinders which are symmetrically arranged, telescopic shafts of the first cylinders are connected with the lower end face of the annular needle plate, and the first cylinders drive the annular needle plate to move between a first position and a second position along the axial direction of a first rotating shaft; when the contact pin is located at a first position, the contact pin is located right below the loading disc, and when the contact pin moves from the first position to a second position, the contact pin sequentially penetrates through the first connecting hole and the second connecting hole;
the projection mechanism comprises a bottom plate, a sliding plate and a telescopic rod, and two ends of the telescopic rod are respectively connected with the bottom plate and the sliding plate; the bottom plate is connected with the side wall positioned on the other end of the rack, and the sliding plate and the fishing net loaded on the loading plate are positioned on the same plane;
and two sides of the bottom plate are respectively provided with a second cylinder, and telescopic shafts of the two second cylinders are jointly in transmission connection with the telescopic rod and drive the telescopic rod to move towards one end along the other end of the first support.
2. The fishing net casting device according to claim 1, wherein the casting mechanism further comprises two third cylinders and a supporting plate, the supporting plate is arranged between the bottom plate and the sliding plate, the supporting plate is fixedly connected with the telescopic rod, a spring is arranged between the supporting plate and the bottom plate, and telescopic shafts of the second cylinders respectively support against two sides of the supporting plate; when the second cylinder drives the telescopic rod to move towards one end of the rack along the other end of the rack, the spring is compressed;
the two third cylinders are respectively arranged on two axial sides of the telescopic rod, telescopic shafts of the two third cylinders are respectively connected with the two second cylinders, and the telescopic directions of the telescopic shafts of the three cylinders are perpendicular to the axial direction of the telescopic rod.
3. The fishing net casting device according to claim 1, wherein the aperture of the limiting hole is 32mm, and the diameter of the telescopic rod is 30mm.
4. The fishing net casting device of claim 1, wherein the pin is in interference fit with the second connection hole and the pin is in clearance fit with the first connection hole when the pin moves from the first position to the second position.
5. A fishing net casting device according to claim 1, wherein the prongs are in interference fit with the first and second connection holes when moved from the first to the second position, respectively.
6. A fishing net casting device according to claim 4 or 5, wherein the first connecting hole is provided with a V-shaped guide surface near the aperture end of the pin.
7. The fishing net casting device according to claim 1, further comprising a base and a second motor, wherein the frame is arranged on the base, a second rotating shaft is arranged on the lower end face of the other end of the frame, and the first support and the second support are respectively connected with the second rotating shaft;
the second motor is arranged on the base, and a driving shaft of the second motor is in transmission connection with the second rotating shaft so as to drive the rack to rotate along the horizontal direction.
8. The fishing net casting device according to claim 1, wherein the first support is inclined in the vertical direction, one end of the first support is higher than the other end of the first support, and an included angle formed between a plane where the first support is located and a horizontal plane is 15 degrees.
9. The fishing net casting device according to claim 1, wherein the outer side wall of the power assisting ring is provided with more than two fan blades which are equidistantly distributed along the circumference, a plane perpendicular to the axial direction of the power assisting ring and a plane where the fan blades are located form an inclination angle, the angle range of the inclination angle is 10-30 degrees, the radius of the power assisting ring is 25cm, and the radius of the fan blades is 8cm.
10. The fishing net casting device according to claim 1, wherein a spring rubber pad is arranged on the end surface of the sliding plate close to the end far away from the telescopic rod.
CN202011561046.2A 2020-12-25 2020-12-25 Fishing net casting device Active CN112841139B (en)

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5007376A (en) * 1989-04-18 1991-04-16 Nor'eastern Trawl Systems, Inc. Spar bouy pen system
CN107173344B (en) * 2017-06-20 2020-08-21 安徽省安国渔具有限公司 Ejection type net-scattering fishing device
CN110481717B (en) * 2019-09-10 2021-03-30 浙江海洋大学 Special net hauling device for fishing boat
CN110896932A (en) * 2019-12-11 2020-03-24 莲花丝路科技有限公司 Fishing device and control method thereof
CN111587849B (en) * 2020-05-22 2024-03-01 泉州信息工程学院 Sea-air monitoring fishing device and working method thereof

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