CN114771751B - Water surface fishing boat with front extension trawl device - Google Patents
Water surface fishing boat with front extension trawl device Download PDFInfo
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- CN114771751B CN114771751B CN202210578317.8A CN202210578317A CN114771751B CN 114771751 B CN114771751 B CN 114771751B CN 202210578317 A CN202210578317 A CN 202210578317A CN 114771751 B CN114771751 B CN 114771751B
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 14
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 13
- 229910052802 copper Inorganic materials 0.000 claims description 13
- 239000010949 copper Substances 0.000 claims description 13
- 230000008878 coupling Effects 0.000 abstract description 4
- 238000010168 coupling process Methods 0.000 abstract description 4
- 238000005859 coupling reaction Methods 0.000 abstract description 4
- 230000013011 mating Effects 0.000 description 13
- 239000003638 chemical reducing agent Substances 0.000 description 12
- 238000004804 winding Methods 0.000 description 6
- 230000008859 change Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 230000001105 regulatory effect Effects 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 239000000843 powder Substances 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 239000013535 sea water Substances 0.000 description 2
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 229920001187 thermosetting polymer Polymers 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING
- B63B35/00—Vessels or similar floating structures specially adapted for specific purposes and not otherwise provided for
- B63B35/14—Fishing vessels
- B63B35/16—Trawlers
- B63B35/18—Trawlers adapted to dragging nets aboard
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- Life Sciences & Earth Sciences (AREA)
- Marine Sciences & Fisheries (AREA)
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- Ocean & Marine Engineering (AREA)
- Transmission Devices (AREA)
Abstract
The invention discloses a water surface fishing boat with a front extension type trawl device, which belongs to the technical field of fishing boats and comprises a boat body and a trawl device main body arranged at the head of the boat body, wherein a power component for driving the trawl device main body to work is arranged on the side surface of the trawl device main body, the trawl device main body and the power component are connected through an output limiter, the two ends of the output limiter are connected with an input shaft of the trawl device main body and an output shaft of the power component through a coupling, the two ends of the output limiter are end sliding cylinders, the middle part of the output limiter is provided with a first matched rotating piece and a second matched rotating piece which are matched with each other, a friction ring is arranged at the contact part of the first matched rotating piece and the second matched rotating piece, a core thread shaft is arranged in the first matched rotating piece, a plane bearing and a spring are sleeved outside the core thread shaft, and the fishing boat with the front extension type trawl device can avoid damage to the trawl device caused by excessive output torque force of a motor.
Description
Technical Field
The invention belongs to the technical field of fishing boats, and particularly relates to a water surface fishing boat with a front extension trawl device.
Background
At present, along with the continuous lifting of the fishing technology, a mechanized ocean fishing vessel becomes one of main modes of fishing vessel sea fishing, wherein trawl fishing is the most mainstream fishing method at present because of convenient operation and wide application area, the trawl fishing is carried out by dragging a fishing vessel to move forward behind a fishing net, and the fishing net is used for taking in fishes and the like in the sea and then collecting the net along with the moving of a vessel body.
The most conventional scheme adopted by the existing front-mounted extension trawl device is that a motor is used for realizing winding in cooperation with a speed reducer, various sundries are inevitably encountered when the fishing net is used in the sea, because the condition of the marine environment is complex, the fishing net is possibly blocked in the winding process, the existing motor is in cooperation with the speed reducer for outputting, the state that a sensitive sensing winding device is blocked cannot be realized, the motor is arranged at the input end of the speed reducer, the reactive force of the output end of the speed reducer is hardly embodied on the load change of the output end of the speed reducer due to the torque difference of the speed reducer gear ratio, the load sensing element is installed on a control circuit of the motor along with the possibility of damaging the fishing net when the winding is continued, the existing overload protection scheme is mainly used for detecting whether the fishing net in the winding state is in a blocked state by sensing the load of the motor, but the problem that the reactive force of the output end of the speed reducer is hardly embodied on the load change of the output end of the speed reducer is still encountered, and the scheme is relatively dependent on an electric element, so that the reliability influence of chloride ions in sea water on a circuit is relatively large.
Disclosure of Invention
The invention aims to provide a water surface fishing boat with a front extension trawl device, which solves the problems in the prior art.
In order to achieve the above purpose, the present invention provides the following technical solutions: the water surface fishing boat with the front extension type trawl device comprises a boat body and a trawl device main body arranged at the head part of the boat body, wherein a power component for driving the trawl device main body to work is arranged on the side surface of the trawl device main body, the trawl device main body is connected with the power component through an output limiter, and two ends of the output limiter are connected with an input shaft of the trawl device main body and an output shaft of the power component through a coupler;
the two ends of the output limiter are end sliding cylinders, the middle part of the output limiter is provided with a first matched rotating piece and a second matched rotating piece which are matched with each other, a friction ring is arranged at the contact part of the first matched rotating piece and the second matched rotating piece, a core thread shaft is arranged inside the first matched rotating piece, a plane bearing and a spring are sleeved outside the core thread shaft, the core thread shaft is screwed into the second matched rotating piece and is in threaded connection with the second matched rotating piece, a connecting pin in sliding connection with the core thread shaft is arranged at the end part of the core thread shaft, and two ends of the connecting pin are positioned inside the second matched rotating piece.
Preferably, a copper sleeve is disposed inside the first mating rotating member, and the copper sleeve is located outside a portion of the second mating rotating member that penetrates into the first mating rotating member.
Preferably, the profile of the end sliding cylinder is cylindrical, and a plurality of annular inner ribs distributed in an array are arranged on the inner wall of the end sliding cylinder.
Preferably, the core thread shaft is composed of a bolt body and a rotation stopping rod, the axis of the bolt body is coincident, a bolt external thread is arranged on the outer circle of the bolt body, a bolt head with a built-in hexagonal groove is arranged at one end of the bolt body, which is away from the bolt external thread, and the rotation stopping rod is internally provided with a rotation stopping groove.
Preferably, the first rotary member comprises a first pipe body and a first sheet body, and the end surface of the first pipe body is provided with first threaded holes distributed in an annular array.
Preferably, the outer circle of the first pipe body is provided with first pipe grooves distributed in an annular array, the first sheet body is internally provided with first sheet holes distributed in an annular array, the end surface of the first sheet body, which is opposite to the first pipe body, is provided with first prismatic grooves distributed in an annular array, the first matching rotating member is internally provided with an inner section, and the inner space of the first matching rotating member is composed of a head cavity, a body cavity and a sleeve cavity, the axial leads of which are coincident.
Preferably, the friction ring has a disc-shaped contour, ring holes distributed in an annular array are formed in the friction ring, a convex back edge is arranged on one end face of the friction ring, a concave surface groove is formed in the other end face of the friction ring, and the ring holes, the back edge and the surface groove are distributed in an annular array.
Preferably, the second matching rotating member comprises a second pipe body, a second sheet body and an intrusion pipe, wherein the axial leads of the second pipe body are overlapped, a second end threaded hole distributed in an annular array is formed in the end face of the second pipe body, a second pipe groove distributed in an annular array is formed in the outer circle of the second pipe body, a second sheet hole distributed in an annular array is formed in the second sheet body, and a second prismatic groove is formed in the face, facing away from the second pipe body, of the second sheet body.
Preferably, the second pipe body, the second sheet body and the inner space of the invasive pipe are formed by an internal thread channel, a rotation stopping channel and a channel, the axes of which are coincident.
Preferably, the rotation stopping channel is communicated with the pin channel, and two ends of the pin channel are led to the outer circle of the second pipe body.
The invention has the technical effects and advantages that:
According to the water surface fishing boat with the front extension type trawl device, the output limiter is arranged on the output end of the speed reducer, so that the problem that the reaction force of the output end is difficult to embody on the load change of the output end of the speed reducer due to the torque difference caused by the gear ratio of the speed reducer is directly avoided, the output limiter limits the torque upper limit of the rotation of the main body of the trawl device driven by the power assembly, the positive pressure contacted by the two friction rings is regulated by the rotating core thread shaft to change the rotation friction resistance between the first matching rotating member and the second matching rotating member, and after the output force exceeds the force threshold value of friction between the first matching rotating member and the second matching rotating member, the power overflowed by the power assembly is prevented from acting on the main body of the trawl device in a relative friction mode, so that the main body of the trawl device is protected, the parts of the main body of the trawl device are prevented from being damaged by excessive acting force, and the sea surface environment capable of adapting to sea water vapor is more reliable due to the adoption of a mechanical structure as a whole; the friction ring is connected with the first matching rotating piece and the second matching rotating piece in a back edge matching mode, the matching mode can be used for firmly completing the combination of the friction ring and the first matching rotating piece, and the characteristic is beneficial to enabling the first matching rotating piece and the second matching rotating piece to be replaced by a new friction ring.
Drawings
FIG. 1 is a schematic view of a bow-oriented hull according to an embodiment of the present invention;
FIG. 2 is a schematic side view of a first mating rotating member of an output limiter according to an embodiment of the present invention;
FIG. 3 is a schematic diagram of a second mating rotating member side structure of an output limiter according to an embodiment of the present invention;
FIG. 4 is a schematic diagram showing a cut-away state of an output limiter according to an embodiment of the present invention;
FIG. 5 is a schematic diagram of an output limiter in a split state according to an embodiment of the present invention;
FIG. 6 is a schematic view showing a cross-sectional structure of a spindle according to an embodiment of the present invention;
FIG. 7 is a schematic view of a first body side structure of a first mating rotating member according to an embodiment of the present invention;
FIG. 8 is a schematic view of the back surface structure of a friction ring according to an embodiment of the present invention;
FIG. 9 is a schematic diagram of a front structure of a friction ring according to an embodiment of the present invention;
FIG. 10 is a schematic view of a second pipe side structure of a second mating rotating member according to an embodiment of the present invention;
FIG. 11 is a schematic view of an invasive tube side structure of a second mating rotating element in accordance with an embodiment of the present invention.
In the figure: 100. an output limiter; 200. a hull; 300. a trawl device body; 400. a power assembly; 1. an axial limit screw; 2. an end sliding cylinder; 201. an inner rib; 3. a core threaded shaft; 301. a bolt head; 302. a bolt body; 303. a bolt external thread; 304. a rotation stopping rod; 305. a rotation stopping groove; 4. a planar bearing; 5. a spring; 6. a first mating rotating member; 601. a first tube body; 602. a first pipe groove; 603. a first end threaded bore; 604. an inner section; 605. a head cavity; 606. a body cavity; 607. a sleeve cavity; 608. a first sheet body; 609. a first perforation; 610. a first ridge groove; 7. a copper sleeve; 8. a friction ring; 801. a ring hole; 802. a back edge; 803. a face groove; 9. a second mating rotating member; 901. a second tube body; 902. a second pipe groove; 903. a second end threaded bore; 904. a second sheet body; 905. a second perforation; 906. a second ridge groove; 907. an invasive tube; 908. an internal thread path; 909. a spin stopping channel; 910. a channel; 911. a pin channel; 10. and (5) a connecting pin.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments.
Referring to fig. 1-11, a fishing vessel with a front extension type trawl device, which comprises a hull 200 and a trawl device body 300 arranged at the head of the hull, wherein a power assembly 400 for driving the trawl device body 300 to work is arranged at the side surface of the trawl device body 300, the trawl device body 300 and the power assembly 400 are connected through an output limiter 100, the trawl device body 300 has a specific structure according to the prior art, the trawl device with the front extension type trawl device based on the fishing vessel with the application number 202110858413.3 can be referred to, two ends of the output limiter 100 are connected with an input shaft of the trawl device body 300 and an output shaft of the power assembly 400 through couplings, the couplings adopted by the output limiter 100 are rigid couplings, the power assembly 400 comprises a motor for winding the fishing net and a speed reducer, and the power assembly 400 has a specific structure according to the prior art.
Referring to fig. 2-5, the output limiter 100 has two ends of an end sliding cylinder 2, the outline of the end sliding cylinder 2 is cylindrical, a plurality of annular inner ribs 201 distributed in an array are arranged on the inner wall of the end sliding cylinder 2, the inner ribs 201 are embedded into the first pipe groove 602 or the second pipe groove 902, the inner ribs 201 and the first pipe groove 602 or the second pipe groove 902 are matched to prevent the end sliding cylinder 2 from moving in the axial direction, the end sliding cylinder 2 limits the axial position through the axial limiting screw 1, and the edge of the screw head of the axial limiting screw 1 blocks the end sliding cylinder 2.
Referring to fig. 5-7, the middle part of the output limiter 100 is a first matched rotating member 6 and a second matched rotating member 9 which are matched with each other, the first matched rotating member 6 is formed by a first pipe body 601 and a first sheet 608, the end surface of the first pipe body 601 is provided with a first end threaded hole 603 distributed in an annular array, the first end threaded hole 603 is used for accommodating an axial limiting screw 1, the outer circle of the first pipe body 601 is provided with a first pipe groove 602 distributed in an annular array, the first pipe groove 602 inhibits the rotation of an end sliding cylinder 2 outside the first pipe body 601, the first sheet 608 is internally provided with a first sheet hole 609 distributed in an annular array, the position of the first sheet hole 609 corresponds to the position of the ring hole 801, the end surface of the first sheet 608 facing away from the first pipe body 601 is provided with a first prismatic groove 610 distributed in an annular array, the first prismatic groove 610 corresponds to a back side 802 on the back surface of a friction ring 8, the first matched rotating member 6 is internally provided with an inner joint 604, the inner joint 604 is used for forming a body cavity 606 inside the first matched rotating member 6, the inner space 607 is overlapped with the shaft body cavity 606 and the copper sleeve 7, and the copper sleeve 7 is accommodated in the copper sleeve 7;
The contact part of the first matching rotary piece 6 and the second matching rotary piece 9 is provided with a friction ring 8, a core thread shaft 3 is arranged in the first matching rotary piece 6, a plane bearing 4 and a spring 5 are sleeved outside the core thread shaft 3, the core thread shaft 3 is screwed into the second matching rotary piece 9 and is in threaded connection with the second matching rotary piece 9, the end part of the core thread shaft 3 is provided with a connecting pin 10 which is in sliding connection with the connecting pin, and two ends of the connecting pin 10 are positioned in the second matching rotary piece 9;
The first mating rotating member 6 is internally provided with a copper sleeve 7, and the copper sleeve 7 is positioned outside a portion of the second mating rotating member 9 which intrudes into the first mating rotating member 6.
Referring to fig. 10-11, the second matching rotary member 9 includes a second pipe body 901, a second sheet body 904 and an intrusion pipe 907, the axial lead of which coincides, a second end threaded hole 903 distributed in an annular array is formed in the end face of the second pipe body 901, the second end threaded hole 903 is used for accommodating an axial limit screw 1, a second pipe groove 902 distributed in an annular array is formed in the outer circle of the second pipe body 901, the second pipe groove 902 cooperates with an internal rib 201 to limit the rotation of an end sliding cylinder 2 outside the second pipe body 901, a second sheet hole 905 distributed in an annular array is formed in the second sheet body 904, the position of the second sheet hole 905 corresponds to the position of the ring hole 801, a second edge groove 906 is formed in the face of the second sheet body 904 facing away from the second pipe body 901, the second edge groove 906 corresponds to the back edge 802 on the back of the friction ring 8, the internal space of the second pipe body 901, the second pipe 904 and the intrusion pipe 907 is formed by an internal thread channel 908, a rotation stop channel 909 and a channel 910 which coincide with the axial lead, the rotation stop channel 909 is communicated with the pin channel 911, the two ends of the second pipe body 10 are connected to the two ends of the second pipe body 901, the pin 10 is positioned at the two ends of the external thread channel 3 and the external thread of the external thread stop shaft 3 is engaged with the external thread stop shaft 3.
Referring to fig. 3-6, the core thread shaft 3 is composed of a bolt body 302 and a rotation stopping rod 304, the axis of the bolt body 302 is coincident, a bolt external thread 303 is formed on the outer circle of the bolt body 302, a bolt head 301 with a built-in hexagonal groove is arranged at one end of the bolt body 302, which is opposite to the bolt external thread 303, the bolt head 301 is positioned in a head cavity 605, the bolt body 302 is positioned in a body cavity 606, the bolt external thread 303 is meshed with an internal thread channel 908, the rotation stopping rod 304 is positioned in a rotation stopping channel 909, a rotation stopping groove 305 is formed in the rotation stopping rod 304, and the middle part of the connecting pin 10 is positioned in the rotation stopping groove 305.
Referring to fig. 8-9, the outline of the friction ring 8 is disc-shaped, ring holes 801 distributed in an annular array are formed in the friction ring 8, the ring holes 801 correspond to positions of the first sheet holes 609 and the second sheet holes 905, when the relative positions of the first matching rotating member 6 and the second matching rotating member 9 need to be locked, a limited shaft is inserted into the ring holes 801, the first sheet holes 609 and the second sheet holes 905 to prevent the first matching rotating member 6 and the second matching rotating member 9 from rotating relatively, a raised back edge 802 is arranged on one end face of the friction ring 8, a concave face groove 803 is formed in the other end face of the friction ring 8, the face groove 803 is used for containing powder formed by abrasion between the friction rings 8, the problem that the relative friction force between the friction rings 8 is reduced due to the powder is avoided, the ring holes 801, the back edges and the face grooves 802 are distributed in an annular array, and the friction rings 8 are fixed in an auxiliary mode through thermosetting glue.
The water surface fishing boat with the front extension type trawl device is characterized in that when the water surface fishing boat is used, the rotating force of a power component 400 is transmitted to a trawl device main body 300 through an output limiter 100, the transmitting force is firstly acted on an end sliding cylinder 2, the rotating torque is firstly acted on a second pipe body 901 of a second matched rotating piece 9, the end sliding cylinder 2 drives the second matched rotating piece 9 to rotate through the matching of an inner convex edge 201 and a second pipe groove 902, when the second matched rotating piece 9 rotates, a friction ring 8 on the side surface of a second sheet body 904 is driven to be attached to a friction ring 8 on a first matched rotating piece 6 to drive the first matched rotating piece 6 to rotate, and transmission is realized through a mutual friction fit mode between the two friction rings 8;
When the positive pressure between the two friction rings 8 needs to be regulated, a spanner is inserted into a hexagonal hole in the bolt head 301, the engagement of the external thread 303 and the internal thread channel 908 of the bolt body 302 in the process of rotating the bolt body drives the core thread shaft 3 to axially move, the axial movement of the core thread shaft 3 changes the pre-compression degree of the spring 5, and the positive pressure between the two friction rings 8 is regulated by changing the pre-compression degree of the spring 5, so that the transmission torque threshold between the first matched rotating piece 6 and the second matched rotating piece 9 is changed;
the rotation of the core thread shaft 3 takes thirty degrees as a unit, the rotation of the core thread shaft 3 is restrained through the connecting pin 10 after the pre-pressing degree of the spring 5 is regulated, the axial limiting screw 1 limits the position of the end sliding cylinder 2 outside the first matching rotating piece 6 and the second matching rotating piece 9, and the end sliding cylinder 2 is prevented from sliding out of the first matching rotating piece 6 and the second matching rotating piece 9;
Copper sleeve 7 is fixed in the sleeve cavity 607 in an interference mode, friction resistance of the first matched rotating piece 6 and the second matched rotating piece 9 is reduced through the cooperation of the invasive pipe 907 and the copper sleeve 7, and the axis lines of the first matched rotating piece 6 and the second matched rotating piece 9 are overlapped through the cooperation of the invasive pipe 907 and the copper sleeve 7, so that the rotation connection relation of the first matched rotating piece 6 and the second matched rotating piece 9 is guaranteed.
The foregoing is only a preferred embodiment of the invention, but the scope of the invention is not limited thereto, and any person skilled in the art who is in the field of the invention can apply equivalent substitution or modification to the technical solution and the inventive concept according to the invention within the scope of the invention.
Claims (4)
1. A water surface fishing vessel with a front-mounted extension trawl device, comprising a hull (200) and a trawl device body (300) arranged at the head thereof, characterized in that: the side of the trawl device main body (300) is provided with a power component (400) for driving the trawl device main body to work, the trawl device main body (300) and the power component (400) are connected through an output limiter (100), and two ends of the output limiter (100) are connected with an input shaft of the trawl device main body (300) and an output shaft of the power component (400) through a coupler;
The two ends of the output limiter (100) are end sliding cylinders (2), a first matched rotating piece (6) and a second matched rotating piece (9) which are matched with each other are arranged in the middle of the output limiter (100), friction rings (8) are arranged at the contact parts of the first matched rotating piece (6) and the second matched rotating piece (9), a core thread shaft (3) is arranged in the first matched rotating piece (6), a plane bearing (4) and a spring (5) are sleeved outside the core thread shaft (3), the core thread shaft (3) is screwed into the second matched rotating piece (9) and is in threaded connection with the second matched rotating piece, a connecting pin (10) which is in sliding connection with the second matched rotating piece is arranged at the end of the core thread shaft (3), and two ends of the connecting pin (10) are positioned in the second matched rotating piece (9);
the profile of the end sliding cylinder (2) is cylindrical, and a plurality of annular array distributed inner ribs (201) are arranged on the inner wall of the end sliding cylinder (2);
The core thread shaft (3) is composed of a bolt body (302) and a rotation stopping rod (304) with the axis coincident, a bolt external thread (303) is arranged on the outer circle of the bolt body (302), a bolt head (301) with a built-in hexagonal groove is arranged at one end of the bolt body (302) back to the bolt external thread (303), and a rotation stopping groove (305) is arranged in the rotation stopping rod (304);
The first matching rotary piece (6) consists of a first pipe body (601) and a first sheet body (608), and first end threaded holes (603) distributed in an annular array are formed in the end face of the first pipe body (601);
The outer circle of the first pipe body (601) is provided with first pipe grooves (602) distributed in an annular array, the first sheet body (608) is internally provided with first sheet holes (609) distributed in an annular array, the end surface of the first sheet body (608) facing away from the first pipe body (601) is provided with first prismatic grooves (610) distributed in an annular array, the inside of the first matching rotating piece (6) is provided with inner joints (604), and the inner space of the first matching rotating piece (6) is composed of a head cavity (605), a body cavity (606) and a sleeve cavity (607) with coincident axial leads;
The outline of the friction ring (8) is disc-shaped, ring holes (801) distributed in an annular array are formed in the friction ring (8), a convex back edge (802) is arranged on one end face of the friction ring (8), a concave surface groove (803) is formed in the other end face of the friction ring (8), and the ring holes (801), the back edge (802) and the surface groove (803) are distributed in an annular array;
The second matching rotating piece (9) comprises a second pipe body (901), a second sheet body (904) and an intrusion pipe (907) with coincident axial leads, a second end threaded hole (903) distributed in an annular array is formed in the end face of the second pipe body (901), a second pipe groove (902) distributed in an annular array is formed in the outer circle of the second pipe body (901), a second sheet hole (905) distributed in an annular array is formed in the second sheet body (904), and a second prismatic groove (906) is formed in the face, facing away from the second pipe body (901), of the second sheet body (904).
2. A water fishing vessel with a forward-extending trawl device according to claim 1, wherein: the copper sleeve (7) is arranged inside the first matching rotating piece (6), and the copper sleeve (7) is positioned outside a part of the second matching rotating piece (9) which invades the first matching rotating piece (6).
3. A water fishing vessel with a forward-extending trawl device according to claim 1, wherein: the second pipe body (901), the second sheet body (904) and the inner space of the invasive pipe (907) are composed of an internal thread channel (908), a rotation stopping channel (909) and a channel (910) with the axial leads overlapped.
4. A water fishing vessel with a forward-extending trawl device according to claim 3, wherein: the rotation stopping channel (909) is communicated with the pin channel (911), and two ends of the pin channel (911) are led to the outer circle of the second pipe body (901).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210578317.8A CN114771751B (en) | 2022-05-26 | 2022-05-26 | Water surface fishing boat with front extension trawl device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210578317.8A CN114771751B (en) | 2022-05-26 | 2022-05-26 | Water surface fishing boat with front extension trawl device |
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| Publication Number | Publication Date |
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| CN114771751A CN114771751A (en) | 2022-07-22 |
| CN114771751B true CN114771751B (en) | 2024-05-28 |
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| CN206679213U (en) * | 2017-05-03 | 2017-11-28 | 李桃英 | A kind of multi-functional fishing boat |
| CN110758654A (en) * | 2019-12-06 | 2020-02-07 | 浙江海洋大学 | Hauling machine for trawler |
| CN111869633A (en) * | 2020-05-25 | 2020-11-03 | 浙江海洋大学 | Rotary multi-net-bag trawl |
| CN215407548U (en) * | 2021-07-07 | 2022-01-04 | 山东金冠网具有限公司 | Safety net reinforcing apparatus |
| CN113291423A (en) * | 2021-07-28 | 2021-08-24 | 烟台智汇港科技创新有限公司 | Fishing boat preposed extension type trawl device based on water surface fishing |
| CN113545322A (en) * | 2021-08-19 | 2021-10-26 | 青岛智汇港创新科技有限公司 | Anti-abrasion bottom supporting device for fishing trawl of fishing boat |
| CN114097719A (en) * | 2021-11-08 | 2022-03-01 | 刘波 | Auxiliary net hauling device of fishing boat net hauler |
Also Published As
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|---|---|
| CN114771751A (en) | 2022-07-22 |
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