CN114572354A

CN114572354A - Lifting device for fishing boat

Info

Publication number: CN114572354A
Application number: CN202210317504.0A
Authority: CN
Inventors: 尹辉; 黄技; 王宇林; 董海会
Original assignee: Guangdong Ocean University
Current assignee: Dragon Totem Technology Hefei Co ltd
Priority date: 2022-03-29
Filing date: 2022-03-29
Publication date: 2022-06-03
Anticipated expiration: 2042-03-29
Also published as: CN114572354B

Abstract

The invention belongs to the field of hoisting devices, and relates to a hoisting device for a fishing boat, which comprises a boat body, a rotating seat and a hoisting support, wherein the rotating seat is rotatably arranged on the boat body; through the work of bearing mechanism, the helping has played the lifting rope and has shared the lifting power to because the influence that surface of water tension caused hoisting accessory when lifting by crane the fishing net has been reduced, at the in-process that the bearing gasbag held the fishing net out from the surface of water, the struggle degree of shoal also can reduce gradually, rethread lifting motor work is beaten and is driven winding roller rolling lifting rope this moment, not only lifts by crane job stabilization, and has reduced the lifting degree of difficulty, has prolonged the life who lifts by crane the motor.

Description

Lifting device for fishing boat

Technical Field

The invention relates to the field of hoisting devices, in particular to a hoisting device for a fishing boat.

Background

In the fishing boat for offshore operation, the front ends of the clamping plates of the fishing boat are provided with hoisting devices, and fishing nets are hung on the hoisting devices. In the fishing process, the lifting device extends out of the fishing boat, then the net is scattered, when the net is collected, the lifting device is used for lifting the fish and the net, and the fish is taken out of the fishing net. The hanger rod used by the fishing boat is generally a straight rod, generally has weak bending resistance and is easy to break.

The Chinese patent with publication number CN106741678A in the prior art discloses a lifting device for a fishing boat, wherein a motor is fixedly arranged in an inner cavity of a boat body; a bearing is inserted and fixed on the upper surface of the hull; the shaft body of the rotating shaft is fixedly connected with the inner ring of the bearing; one end of the rotating shaft is fixedly provided with a driven gear; the output end of the motor is provided with a driving gear meshed with the driven gear; the suspender is in the shape of the Chinese character 'Shandong'; one end of the third straight rod is hinged with the other end of the rotating shaft; the tail end of the first straight rod is provided with a fixed plate; the supporting plate is respectively provided with and fixed with a supporting rod and a winding device; one end of the steel cable is fixedly connected with a roller of the winding device; the other end of the steel cable sequentially bypasses the second guide wheel and the first guide wheel and then is fixedly connected with the fixing plate. When the fishing boat is used, automatic net collection and boarding are realized, the labor intensity of operators is reduced, the fishing quality is improved, and higher benefits are brought to the fishing boat.

However, the above device has the following problems: 1. the hoisting difficulty is large: when too much fishing is carried out, the weight of the hoisted objects is greatly increased, and the volume of the fishing net is also increased, so that the difficulty of hoisting the fishing net is further increased due to the tension of water when the fishing net is separated from the water surface; 2. unstable hoisting: under the condition of excessive fishing, the fish struggles when leaving the water surface, so that the stability of lifting is influenced because the fish group struggles when the fishing net is lifted out of the water surface.

Disclosure of Invention

The technical problem to be solved by the invention is as follows: in order to solve the problems of high lifting difficulty and unstable lifting, the invention provides a lifting device for a fishing boat, which comprises the following components: when the fishing amount is excessive, the tension force of the lifting rope is increased, the supporting mechanism is triggered to work through the triggering mechanism, the control mechanism works at the moment, the supporting plate is driven to move to the bottom of the fishing net, then the bearing plate is inflated by the control mechanism, the air enters the bearing air bag through the air delivery pipe, the bearing air bag gradually bears the bottom of the fishing net in the process of expansion, in the process, the supporting air bag can gradually support the fishing net out of the water surface, help the lifting rope to share the lifting force and reduce the influence on the lifting device caused by the water surface tension when the fishing net is lifted, at the in-process that the bearing gasbag held the fishing net out from the surface of water, the struggling degree of shoal of fish also can reduce gradually, and rethread lifting motor work is beaten and is driven winding roller rolling lifting rope this moment, not only lifts by crane job stabilization to reduced and lifted by crane the degree of difficulty, prolonged the life who lifts by crane the motor.

The invention provides a lifting device for a fishing boat, which comprises a boat body, a rotating seat and a lifting bracket, wherein the rotating seat is rotatably arranged on the boat body, the lifting bracket is fixedly arranged on the rotating seat, a trigger mechanism for detecting the weight of a lifted object is arranged in the lifting bracket, a winding roller and a lifting motor are also arranged on the rotating seat, a main shaft of the lifting motor is in transmission connection with the winding roller through a belt, a lifting rope is arranged on the winding roller, one end of the lifting rope is fixedly connected with the winding roller, the other end of the lifting rope passes through the lifting bracket and the trigger mechanism and then is connected with a fishing net, a supporting mechanism for sharing the weight of the lifted object is arranged in the boat body, the supporting mechanism comprises a supporting box, a supporting plate and a supporting air bag, the supporting box is fixedly arranged in the boat body, the supporting plate is slidably arranged in the supporting box, the supporting plate is hollow, and be equipped with two gas-supply pipes on the bearing board, and gas-supply pipe and bearing board intercommunication, the bearing gasbag is linked together with two gas-supply pipes, the bearing gasbag is annular gasbag, still be equipped with the standing groove that is used for placing the bearing gasbag on the bearing board, still be equipped with the control mechanism who is used for controlling the bearing board and removes in the bearing incasement, it is equipped with the runner that reduces lifting rope and lift by crane frictional force between the support to lift by crane on the support.

Further, control mechanism is including control gasbag, haulage rope, carry over pinch rolls, traction motor and communicating pipe, the control gasbag sets up in the bearing box, the control gasbag passes through communicating pipe intercommunication with the bearing board, be equipped with the admission line on the control gasbag, the admission line can external air pump, the one end and the bearing board fixed connection of haulage rope, the other end and the carry over pinch rolls fixed connection of haulage rope, the carry over pinch rolls rotates and sets up in the hull, and traction motor's main shaft and carry over pinch rolls fixed connection.

Furthermore, a dodging hole for the traction rope to work is arranged in the control air bag.

Further, the inside piston that is equipped with of communicating pipe, piston and communicating pipe sliding connection, and still be equipped with reset spring in the communicating pipe, reset spring's one end and piston fixed connection, reset spring's the other end and the inner wall fixed connection of communicating pipe, the communicating pipe top is equipped with the gas outlet, all be equipped with the release valve on bearing board and the control gasbag.

Further, trigger mechanism includes the sliding block, triggers wheel, extension spring, pressure sensor and two take-up pulleys, two the take-up pulley rotates and sets up in the upper and lower both sides of lifting by crane the support, the sliding block slides and sets up on the support and is located between two take-up pulleys, trigger wheel rotates and sets up in the sliding block, pressure sensor sets up in lifting by crane the support, and pressure sensor's input towards the sliding block, the extension spring sets up on lifting by crane the support, and the one end of extension spring and the inner wall fixed connection who lifts by crane the support, the other end and the sliding block fixed connection of extension spring.

Furthermore, a first bevel gear is arranged at the bottom of the rotating seat, a second bevel gear and a rotating motor are arranged in the ship body, the first bevel gear is meshed with the second bevel gear, and a main shaft of the rotating motor is fixedly connected with the second bevel gear.

Furthermore, the rotating seat is provided with four sliding seats, and each sliding seat is internally provided with a ball.

The invention has the beneficial effects that:

firstly, when the fishing amount is excessive, the tension of the lifting rope is increased, the supporting mechanism is triggered to work by the trigger mechanism, the control mechanism works to drive the supporting plate to move to the bottom of the fishing net, then the bearing plate is inflated by the control mechanism, the air enters the bearing air bag through the air delivery pipe, the bearing air bag gradually bears the bottom of the fishing net in the process of expansion, in the process, the supporting air bag can gradually support the fishing net out of the water surface, help the lifting rope to share the lifting force and reduce the influence on the lifting device caused by the water surface tension when the fishing net is lifted, at the in-process that the bearing gasbag held the fishing net out from the surface of water, the struggle degree of shoal also can reduce gradually, and the rethread lifts by crane motor work this moment and drives winding roller rolling lifting rope, not only lifts by crane job stabilization to reduce and lifted by crane the degree of difficulty, prolonged the life who lifts by crane the motor.

Secondly, when the trigger mechanism is triggered, the external air pump works to drive the control air bag to expand, the bearing plate is driven to move along with the expansion of the control air bag, the internal space of the bearing box can be filled after the control air bag expands, the influence of a large amount of water on devices inside the bearing box is avoided, and after the work of the bearing mechanism is finished, the traction motor works to drive the traction roller to rotate, so that the traction rope is wound to drive the bearing plate to reset, and the next work is facilitated.

Thirdly, when the air bag is controlled to start to inflate, the piston can prevent gas from entering the bearing plate through the communicating pipe, when the air bag is controlled to be inflated, the air pressure in the air bag is controlled to be increased, so that the gas pushes the piston and compresses the return spring, the gas enters the bearing plate through the air outlet, the air bag can be ensured to inflate the bearing plate when the air bag is controlled to be inflated, the problem that a large amount of water enters the bearing box is avoided, the bearing air bag can be ensured to expand only when the bearing plate moves to the maximum distance, the influence of the advance expansion of the bearing air bag on the movement of the bearing plate is avoided, and the working stability is ensured.

Fourthly, when the fishing amount is normal, the tension force of the lifting rope is not enough to drive the sliding block to move so as to extend the tension spring, and the tension force of the lifting rope is kept through the two tension wheels and the trigger wheel; when fishing excessively, the tensile force of lifting rope also can increase, and the tensile force through lifting rope drives the slider removal and makes the extension spring extend this moment, when the slider removed to when contacting with pressure sensor, pressure sensor output signal for the supporting mechanism work, has maintained the orderliness of work and has reduced the degree of difficulty that detects the thing weight of lifting.

Fifthly, the rotary motor works to drive the second bevel gear and the first bevel gear to rotate, so that the rotary seat is driven to rotate, and the unloading work is facilitated.

Sixth, the rolling ball bearing device not only has a supporting effect on the rotating seat, but also can reduce friction between the rotating seat and the ship body when the rotating seat rotates.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.

Figure 1 is a schematic perspective view of the present invention,

figure 2 is a cross-sectional view of the present invention,

figure 3 is a perspective view of the rotary base of the present invention,

figure 4 is a schematic perspective view of the trigger mechanism of the present invention,

figure 5 is a perspective view of the supporting structure of the present invention,

figure 6 is a schematic perspective view of the control bladder of the present invention,

fig. 7 is a cross-sectional view of a communication pipe of the present invention.

Reference numerals: 1. a hull; 2. a rotating seat; 3. hoisting the bracket; 4. a trigger mechanism; 41. a slider; 42. a trigger wheel; 43. a tension spring; 44. a pressure sensor; 45. a tension pulley; 5. a support mechanism; 51. a supporting box; 52. a support plate; 53. supporting the air bag; 54. a gas delivery pipe; 55. a placement groove; 56. a control mechanism; 561. controlling the air bag; 562. a hauling rope; 563. a traction roller; 564. a traction motor; 565. a communicating pipe; 566. an air intake duct; 567. avoiding holes; 568. a piston; 569. a return spring; 560. an air outlet; 57. a gas release valve; 6. a winding roller; 7. a hoisting motor; 8. lifting a lifting rope; 9. a rotating wheel; 10. a first bevel gear; 11. a second bevel gear; 12. rotating the motor; 13. a sliding seat; 14. and (4) a ball.

Detailed Description

The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are some, but not all embodiments of the present invention.

In the present embodiment, as shown in fig. 1 to 7, a lifting device for a fishing boat includes a boat body 1, a rotating seat 2 and a lifting support 3, the rotating seat 2 is rotatably disposed on the boat body 1, the lifting frame is fixedly disposed on the rotating seat 2, a trigger mechanism 4 for detecting the weight of a lifted object is disposed in the lifting support 3, a winding roller 6 and a lifting motor 7 are further disposed on the rotating seat 2, a main shaft of the lifting motor 7 is connected to the winding roller 6 through a belt, a lifting rope 8 is disposed on the winding roller 6, one end of the lifting rope 8 is fixedly connected to the winding roller 6, the other end of the lifting rope 8 passes through the lifting support 3 and the trigger mechanism 4 and then is connected to a fishing net, a supporting mechanism 5 for sharing the weight of the lifted object is disposed in the boat body 1, the supporting mechanism 5 includes a supporting box 51, a supporting plate 52 and a supporting airbag 53, the bearing box 51 is fixedly arranged inside the ship body 1, the bearing plate 52 is arranged in the bearing box 51 in a sliding mode, the bearing plate 52 is arranged in a hollow mode, two air conveying pipes 54 are arranged on the bearing plate 52, the air conveying pipes 54 are communicated with the bearing plate 52, the bearing air bags 53 are communicated with the two air conveying pipes 54, the bearing air bags 53 are annular air bags, a placing groove 55 for placing the bearing air bags 53 is further formed in the bearing plate 52, a control mechanism 56 for controlling the bearing plate 52 to move is further arranged in the bearing box 51, a rotating wheel 9 for reducing friction force between the lifting ropes 8 and the lifting support 3 is arranged on the lifting support 3, when the fishing amount is normal, the winding roller 6 is driven to rotate through the work of the lifting motor 7, the lifting ropes 8 are wound, the lifting of the fishing net is achieved, and then the fishing net is rotated by one hundred eighty degrees through the rotating seat 2, the unloading is convenient; when the fishing amount is too much, the tensile force of the lifting rope 8 is increased at the moment, and then the supporting mechanism 5 is triggered to work through the triggering mechanism 4, the control mechanism 56 works at the moment, the supporting plate 52 is driven to move to the bottom of the fishing net, then the supporting plate 52 is inflated through the control mechanism 56, gas enters the supporting air bag 53 through the gas pipe 54, the supporting air bag 53 gradually supports the bottom of the fishing net in the expansion process, in the process, the supporting air bag 53 gradually supports the fishing net out of the water surface, the lifting force is assisted by the lifting rope 8, the influence on the lifting device caused by the water surface tension when the fishing net is lifted is reduced, the struggling degree of fish swarms is also gradually reduced in the process that the fishing net is supported out of the water surface by the supporting air bag 53, at the moment, the lifting motor 7 works to drive the winding roller 6 to wind the lifting rope 8, the lifting work is stable, and the lifting difficulty is reduced, the service life of the hoisting motor 7 is prolonged.

Preferably, the control mechanism 56 comprises a control air bag 561, a traction rope 562, a traction roller 563, a traction motor 564 and a communication pipe 565, the control air bag 561 is arranged in the bearing box 51, the control air bag 561 is communicated with the bearing plate 52 through the communication pipe 565, the control air bag 561 is provided with an air inlet duct 566, the air inlet duct 566 can be externally connected with an air pump, one end of the traction rope 562 is fixedly connected with the bearing plate 52, the other end of the traction rope 562 is fixedly connected with the traction roller 563, the traction roller 563 is rotatably arranged in the hull 1, and a main shaft of the traction motor 564 is fixedly connected with the traction roller 563; when trigger mechanism 4 triggers, drive control gasbag 561 through external air pump work and expand, drive bearing board 52 along with control gasbag 561's inflation and remove, and can fill bearing box 51's inner space after control gasbag 561 expands, avoid intaking in a large number and cause the influence to the inside device of bearing box 51, after bearing mechanism 5 work, it is rotatory to drive carry out carry-over pinch rolls 563 through traction motor 564 work, and then the haulage rope 562 of convoluteing drives bearing board 52 and resets, be convenient for carry out next time work.

Preferably, the control airbag 561 is provided with a relief hole 567 for the operation of the traction rope 562.

Preferably, a piston 568 is arranged inside the communication pipe 565, the piston 568 is slidably connected with the communication pipe 565, a return spring 569 is further arranged inside the communication pipe 565, one end of the return spring 569 is fixedly connected with the piston 568, the other end of the return spring 569 is fixedly connected with the inner wall of the communication pipe 565, an air outlet 560 is arranged at the top of the communication pipe 565, air release valves 57 are arranged on the support plate 52 and the control air bag 561 respectively, when the control air bag 561 starts to inflate, air can be blocked from entering the support plate 52 through the communication pipe 565 due to the arrangement of the piston 568, when the control air bag 561 is inflated, the pressure inside the control air bag 561 is increased, so that the air pushes the piston 568 and compresses the return spring 569 to enter the support plate 52 through the air outlet 560, and the control air bag 561 can be inflated only when being inflated, thereby not only avoiding the problem of a large amount of water entering the support box 51, and guaranteed that only when the bearing board 52 moves to the maximum distance can make the bearing gasbag 53 expand, avoided the bearing gasbag 53 to expand in advance and cause the influence to the removal of bearing board 52, guaranteed the stability of work.

Preferably, the triggering mechanism 4 comprises a sliding block 41, a triggering wheel 42, a tension spring 43, a pressure sensor 44 and two tension wheels 45, the two tension wheels 45 are rotatably arranged at the upper and lower sides of the lifting bracket 3, the sliding block 41 is arranged on the bracket in a sliding way and is positioned between two tension wheels 45, the trigger wheel 42 is rotationally arranged in the sliding block 41, the pressure sensor 44 is arranged in the lifting bracket 3, and the input end of the pressure sensor 44 faces the sliding block 41, the tension spring 43 is arranged on the lifting bracket 3, one end of the tension spring 43 is fixedly connected with the inner wall of the lifting bracket 3, the other end of the tension spring 43 is fixedly connected with the sliding block 41, when the fishing amount is normal, the tension of the lifting rope 8 is not enough to drive the sliding block 41 to move so as to extend the tension spring 43, and the tension of the lifting rope 8 is kept through the two tension wheels 45 and the trigger wheel 42; when fishing excessively, the tensile force of lifting rope 8 also can increase, and the tensile force through lifting rope 8 drives sliding block 41 and removes and make extension spring 43 extend this moment, when sliding block 41 removed to contact with pressure sensor 44, pressure sensor 44 output signal for supporting mechanism 5 work, has maintained the orderliness of work and has reduced the degree of difficulty that detects the thing weight of lifting.

Preferably, it is equipped with first bevel gear 10 to rotate seat 2 bottom, be equipped with second bevel gear 11 in the hull 1 and rotate motor 12, first bevel gear 10 and second bevel gear 11 intermeshing, and the main shaft and the second bevel gear 11 fixed connection that rotate motor 12, it is rotatory to drive second bevel gear 11 and first bevel gear 10 through rotating motor 12 work, and then it is rotatory to drive and rotate seat 2, be convenient for unload the work, after lifting by crane, the staff opens snuffle valve 57, make control gasbag 561 and bearing gasbag 53 lose heart, and will bear in the gasbag 53 turning back standing groove 55.

Preferably, four sliding seats 13 are arranged on the rotating seat 2, a ball 14 is arranged in each sliding seat 13, and the arrangement of the ball 14 not only has a bearing effect on the rotating seat 2, but also can reduce the friction force between the rotating seat 2 and the ship body 1 when the rotating seat 2 rotates.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the invention has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention.

Claims

1. A lifting device for a fishing boat comprises a boat body (1), a rotating seat (2) and a lifting support (3), wherein the rotating seat (2) is rotatably arranged on the boat body (1), and the lifting frame is fixedly arranged on the rotating seat (2), and is characterized in that a trigger mechanism (4) for detecting the weight of a lifted object is arranged in the lifting support (3), a winding roller (6) and a lifting motor (7) are further arranged on the rotating seat (2), a main shaft of the lifting motor (7) is connected with the winding roller (6) through belt transmission, a lifting rope (8) is arranged on the winding roller (6), one end of the lifting rope (8) is fixedly connected with the winding roller (6), the other end of the lifting rope (8) passes through the lifting support (3) and the trigger mechanism (4) and then is connected with a fishing net, a bearing mechanism (5) for sharing the weight of the lifted object is arranged inside the boat body (1), the bearing mechanism (5) comprises a bearing box (51), a bearing plate (52) and a bearing air bag (53), the bearing box (51) is fixedly arranged in the ship body (1), the bearing plate (52) is arranged in the bearing box (51) in a sliding manner, the bearing plate (52) is arranged in a hollow manner, two air pipes (54) are arranged on the bearing plate (52), the air pipes (54) are communicated with the bearing plate (52), the supporting air bag (53) is communicated with two air delivery pipes (54), the supporting air bag (53) is an annular air bag, the supporting plate (52) is also provided with a placing groove (55) for placing and supporting the air bag (53), a control mechanism (56) for controlling the movement of the bearing plate (52) is also arranged in the bearing box (51), and a rotating wheel (9) for reducing the friction force between the lifting rope (8) and the lifting support (3) is arranged on the lifting support (3).

2. The lifting device for the fishing boat as recited in claim 1, wherein the control mechanism (56) comprises a control air bag (561), a traction rope (562), a traction roller (563), a traction motor (564) and a communicating pipe (565), the control air bag (561) is arranged in the bearing box (51), the control air bag (561) is communicated with the bearing plate (52) through the communicating pipe (565), an air inlet pipe (566) is arranged on the control air bag (561), the air inlet pipe (566) can be externally connected with an air pump, one end of the traction rope (562) is fixedly connected with the bearing plate (52), the other end of the traction rope (562) is fixedly connected with the traction roller (563), the traction roller (563) is rotatably arranged in the boat body (1), and a main shaft of the traction motor (564) is fixedly connected with the traction roller (563).

3. A lifting device for a fishing vessel according to claim 2, characterised in that the control balloon (561) is provided with a relief hole (567) for the operation of the hauling rope (562).

4. The lifting device for the fishing boat as claimed in claim 2, wherein a piston (568) is arranged inside the communicating pipe (565), the piston (568) is slidably connected with the communicating pipe (565), a return spring (569) is further arranged inside the communicating pipe (565), one end of the return spring (569) is fixedly connected with the piston (568), the other end of the return spring (569) is fixedly connected with the inner wall of the communicating pipe (565), an air outlet (560) is arranged at the top of the communicating pipe (565), and the bearing plate (52) and the control air bag (561) are both provided with air release valves (57).

5. A lifting device for a fishing vessel according to claim 1, characterized in that the trigger mechanism (4) comprises a sliding block (41), a trigger wheel (42), a tension spring (43), a pressure sensor (44) and two tension wheels (45), the two tension wheels (45) are rotatably arranged at the upper and lower sides of the lifting bracket (3), the sliding block (41) is arranged on the bracket in a sliding way and is positioned between the two tension wheels (45), the trigger wheel (42) is rotationally arranged in the sliding block (41), the pressure sensor (44) is arranged in the hoisting bracket (3), the input end of the pressure sensor (44) faces the sliding block (41), the tension spring (43) is arranged on the lifting bracket (3), and one end of the tension spring (43) is fixedly connected with the inner wall of the hoisting bracket (3), and the other end of the tension spring (43) is fixedly connected with the sliding block (41).

6. The hoisting device for the fishing boat according to claim 1, wherein a first bevel gear (10) is arranged at the bottom of the rotating base (2), a second bevel gear (11) and a rotating motor (12) are arranged in the boat body (1), the first bevel gear (10) and the second bevel gear (11) are meshed with each other, and a main shaft of the rotating motor (12) is fixedly connected with the second bevel gear (11).

7. A lifting device for a fishing vessel according to claim 1, characterised in that four sliding seats (13) are provided on the rotating seat (2), and that a ball (14) is provided in each sliding seat (13).