阅读说明：本技术 一种冰区渔船拖网装置 (Ice zone fishing boat trawl device ) 是由 陈波 陈思臻 罗春云 于 2021-09-29 设计创作，主要内容包括：本发明公开了一种冰区渔船拖网装置,包括铰链座,所述铰链座固定在第一船体结构上,所述铰链座上通过铰链轴连接有旋转臂架,所述旋转臂架的内侧设置有变幅油缸安装耳板,变幅油缸的一端通过变幅油缸安装耳板与旋转臂架连接,另一端通过油缸连接座与第二船体结构连接；所述第二船体结构一侧还设置有锁紧油缸安装耳板、锁紧销座,所述锁紧油缸安装耳板上设置有锁紧油缸,所述锁紧油缸的一端设置有插销；所述旋转臂架的一端安装有滑轮组。本发明结构新颖,设计合理,体积小,安装空间小,可承受的额定负载大,捕捞效率高,可在垂直位置和水平位置固定作业,便于甩掉拖网过程中的浮冰,广泛用于各类冰区渔船上。(The invention discloses a trawl device of a fishing boat in an ice region, which comprises a hinge seat, wherein the hinge seat is fixed on a first hull structure, the hinge seat is connected with a rotary arm support through a hinge shaft, the inner side of the rotary arm support is provided with a variable amplitude oil cylinder mounting lug plate, one end of a variable amplitude oil cylinder is connected with the rotary arm support through the variable amplitude oil cylinder mounting lug plate, and the other end of the variable amplitude oil cylinder is connected with a second hull structure through an oil cylinder connecting seat; a locking oil cylinder mounting lug plate and a locking pin seat are further arranged on one side of the second hull structure, a locking oil cylinder is arranged on the locking oil cylinder mounting lug plate, and a bolt is arranged at one end of the locking oil cylinder; and a pulley block is arranged at one end of the rotary arm support. The invention has novel structure, reasonable design, small volume, small installation space, large bearable rated load and high fishing efficiency, can be fixedly operated at a vertical position and a horizontal position, is convenient for throwing away floating ice in the trawl process, and is widely applied to fishing boats in various ice regions.)

1. The utility model provides an ice district fishing boat trawl device, includes hinge seat (1), its characterized in that: the hinge seat (1) is fixed on the first ship structure (16), the hinge seat (1) is connected with a rotary arm support (3) through a hinge shaft (2), the inner side of the rotary arm support (3) is provided with a variable amplitude oil cylinder mounting lug plate (4), one end of a variable amplitude oil cylinder (5) is connected with the rotary arm support (3) through the variable amplitude oil cylinder mounting lug plate (4), and the other end of the variable amplitude oil cylinder is connected with the second ship structure (11) through an oil cylinder connecting seat (12); a locking oil cylinder mounting lug plate (8) and a locking pin seat (9) are further arranged on one side of the second ship body structure (11), a locking oil cylinder (7) is arranged on the locking oil cylinder mounting lug plate (8), and a bolt (10) is arranged at one end of the locking oil cylinder (7); one end of the rotary arm support (3) is provided with a lifting shaft (6), a bushing (18) is arranged on the lifting shaft (6), a pulley block (13) is arranged on the bushing (18), a positioning column (31) is arranged at the upper left end of the rotary arm support (3), and an ice rack support (15) is arranged on the side wall of the first ship body structure (16).

2. The trawl apparatus for the ice bank fishing boat according to claim 1, wherein: one end of the hinge shaft (2) is provided with a stop plate (14), and a bolt penetrates through the gasket and the stop plate (14) to be connected with the rotary arm support (3).

3. The trawl apparatus for the ice bank fishing boat according to claim 1, wherein: the locking pin seat (9) comprises a first pin seat (91) and a second pin seat (92), and the center lines of the first pin seat (91) and the second pin seat (92) are aligned with the center line of the bolt (10).

4. The trawl apparatus for the ice bank fishing boat according to claim 1, wherein: the ice frame support (15) is positioned right below the rotary arm support (3) when the rotary arm support is in a horizontal position.

5. The trawl apparatus for the ice bank fishing boat according to claim 1, wherein: and induction switches are arranged at the tail ends of the locking oil cylinder (7) and the amplitude variation oil cylinder (5).

6. The trawl apparatus for the ice bank fishing boat according to claim 1, wherein: the amplitude variation angle of the rotary arm support (3) is set to be 0-100 degrees.

7. The trawl apparatus for the ice bank fishing boat according to claim 1, wherein: the front end of the pulley block (13) is provided with a baffle (17), and a bolt penetrates through the gasket, the baffle (17) and the bushing (18) to be connected with the lifting shaft (6).

Technical Field

The invention relates to the field of ship and ocean engineering, in particular to a trawl device for a fishing boat in an ice region.

Background

Trawl fishing boat is a ship for fishing fish by trawl, the trawl device is mainly used on the fishing boat, the trawl device is used more in the field of fishery at present, the fishing method in common use is that the trawl winch and the pulley on the trawl door frame drag the net from the stern slideway to the deck, or the fishing net is hung to the deck by the hoisting equipment, then the fish resource is unloaded to the fish cabin or the processing workshop, the method has relatively low efficiency and high labor intensity, and is suitable for the fishing boat with relatively low processing capability. The fishery machinery instrument research institute of the Chinese aquatic science research institute has proposed the design of a double-support truss-rod trawl net device, its structural feature is: the double-support is a portal structure and is driven to rotate by a motor or a hydraulic motor, and a pulley is arranged at the end part of the double-support. The fishing boat has the advantages of simple structure and stable function, and has the defects of larger structure volume, larger installation space, small load and incapability of adapting to a fishing boat with a slightly large tonnage in an ice area.

Disclosure of Invention

The invention aims to solve the technical problems and provides a trawl device for a fishing boat in an ice area.

In order to achieve the technical purpose and achieve the technical requirements, the invention adopts the technical scheme that: the utility model provides an ice region fishing boat trawl device, includes hinge seat, its characterized in that: the hinge seat is fixed on the first ship structure, the hinge seat is connected with a rotary arm support through a hinge shaft, the inner side of the rotary arm support is provided with a variable amplitude oil cylinder mounting lug plate, one end of the variable amplitude oil cylinder is connected with the rotary arm support through the variable amplitude oil cylinder mounting lug plate, and the other end of the variable amplitude oil cylinder is connected with the second ship structure through an oil cylinder connecting seat; a locking oil cylinder mounting lug plate and a locking pin seat are further arranged on one side of the second hull structure, a locking oil cylinder is arranged on the locking oil cylinder mounting lug plate, and a bolt is arranged at one end of the locking oil cylinder; the ice frame structure is characterized in that a lifting shaft is arranged at one end of the rotary arm frame, a bushing is arranged on the lifting shaft, a pulley block is arranged on the bushing, a positioning column is arranged at the left upper end of the rotary arm frame, and an ice frame support is arranged on the side wall of the first ship body structure.

Preferably: and one end of the hinge shaft is provided with a stop plate, and a bolt penetrates through the gasket and the stop plate to be connected with the rotary arm frame.

Preferably: the locking pin boss comprises a first pin boss and a second pin boss, and the center lines of the first pin boss and the second pin boss are aligned with the center line of the bolt.

Preferably: the ice frame support is positioned right below the rotary arm frame when the rotary arm frame is in the horizontal position.

Preferably: and induction switches are arranged at the tail ends of the locking oil cylinder and the variable amplitude oil cylinder.

Preferably: the amplitude variation angle of the rotary arm support is set to be 0-100 degrees.

Preferably: and a baffle plate is arranged at the front end of the pulley block, and a bolt penetrates through the gasket, the baffle plate and the bushing to be connected with the lifting shaft.

Compared with the traditional structure, the invention has the beneficial effects that:

1. the invention has novel structure, reasonable design, small volume and small installation space, does not need a plurality of steel wire rope winches to drag and fix from different directions, and does not need to occupy a large deck area.

2. The invention can bear large rated load, can catch larger and heavier fish resources in an ice region by one-time trawling operation, improves the operation efficiency and reduces the operation frequency.

3. The invention has stable performance, the rotary arm support can be fixedly operated at a vertical position and a horizontal position, the amplitude variation angle between the vertical position and the horizontal position is 100 degrees, the angle of the trawl wire rope is greatly increased, floating ice in the trawl process is convenient to throw off, and the frequency of damaging the trawl wire rope by the floating ice is reduced.

4. The invention has high amplitude variation speed, the amplitude variation time from the vertical position to the horizontal position is 50s, and the rotary arm support can finish the change process from the horizontal position to the vertical position in a short time, thereby saving the operation time, reducing the labor cost and improving the operation efficiency.

5. The invention has simple operation, convenient disassembly and assembly, convenient maintenance and strong economic applicability, and can be widely used on various fishing boats in ice regions.

Drawings

FIG. 1 is a view illustrating a vertical position fixing operation of the present invention;

FIG. 2 is a diagram illustrating the horizontal position fixing operation of the present invention;

FIG. 3 is a right side view of the body structure of the present invention of FIG. 1;

FIG. 4 is a top view of FIG. 3;

FIG. 5 is a cross-sectional view taken along line B-B of FIG. 1;

FIG. 6 is a cross-sectional view taken at C-C of FIG. 1;

FIG. 7 is a cross-sectional view taken along line A-A of FIG. 3;

in the figure: 1. the structure comprises a hinge base, a hinge shaft, a rotating arm support, a positioning column, a variable amplitude cylinder mounting lug plate, a variable amplitude cylinder, a lifting shaft, a locking cylinder mounting lug plate, a locking pin base, a first pin base, a second pin base, a bolt, a second ship structure, a cylinder connecting base, a pulley block, a stop plate, an ice frame support, a first ship structure, a baffle plate and a bushing, wherein the hinge base is 2, the hinge shaft, the rotating arm support, the positioning column, the amplitude cylinder mounting lug plate, the amplitude cylinder, the lifting shaft, the locking cylinder mounting lug plate, the locking pin base, the first pin base, the bolt, the second ship structure, the oil cylinder connecting base, the pulley block, the stop plate, the ice frame support, the first ship structure, the baffle plate, and the bushing 18.

Detailed Description

The present invention is further described below.

Referring to the attached drawings, the trawl apparatus for the fishing boat in the ice area comprises a hinge seat 1 and is characterized in that: the hinge seat 1 is fixed on the first ship structure 16, the hinge seat 1 is connected with a rotary arm support 3 through a hinge shaft 2, the inner side of the rotary arm support 3 is provided with a variable amplitude oil cylinder mounting lug plate 4, one end of a variable amplitude oil cylinder 5 is connected with the rotary arm support 3 through the variable amplitude oil cylinder mounting lug plate 4, and the other end of the variable amplitude oil cylinder is connected with the second ship structure 11 through an oil cylinder connecting seat 12; a locking oil cylinder mounting lug plate 8 and a locking pin boss 9 are further arranged on one side of the second ship body structure 11, a locking oil cylinder 7 is arranged on the locking oil cylinder mounting lug plate 8, and a pin 10 is arranged at one end of the locking oil cylinder 7; a lifting shaft 6 is arranged at one end of the rotary arm support 3, a bushing 18 is arranged on the lifting shaft 6, a pulley block 13 is arranged on the bushing 18, a positioning column 31 is arranged at the left upper end of the rotary arm support 3, and an ice frame support 15 is arranged on the side wall of the first ship structure 16.

In the preferred embodiment, a stop plate 14 is disposed at one end of the hinge shaft 2, and a bolt passes through the spacer and the stop plate 14 to be connected with the rotary arm support 3.

In the preferred embodiment, the locking pin seat 9 includes a first pin seat 91 and a second pin seat 92, and the center lines of the first pin seat 91 and the second pin seat 92 are aligned with the center line of the bolt 10.

In the preferred embodiment, the ice frame support 15 is located right below the rotary arm frame 3 when it is in the horizontal position.

In the preferred embodiment, the tail ends of the locking oil cylinder 7 and the amplitude variation oil cylinder 5 are provided with inductive switches.

In the preferred embodiment, the amplitude variation angle of the rotary arm support 3 is set to be 0-100 degrees.

In the preferred embodiment, the front end of the pulley block 13 is provided with a baffle 17, and a bolt passes through a gasket, the baffle 17 and a bushing 18 to be connected with the lifting shaft 6.

When the ship tail hydraulic control system is specifically implemented, the ship tail hydraulic control system comprises a mechanical transmission part, a hydraulic control system, an electric control system and the like, wherein the mechanical transmission part, the hydraulic control system and the mechanical transmission part are respectively and symmetrically arranged on the port side and the starboard side of the tail of a ship, the hydraulic control system and the mechanical transmission part are arranged in a cabin, and the electric control system is arranged in an electric-hydraulic control center. The hinge base 1 is fixed on the hull structure and plays a role of supporting in the whole system; the locking oil cylinder mounting lug plate 8 is fixed on the second ship structure 11; one end of the amplitude-variable oil cylinder 5 is fixed on the second ship structure through an oil cylinder connecting seat 12, and the other end is fixed on the rotary arm support 3 through an amplitude-variable oil cylinder mounting lug plate 4. Under normal working conditions, the variable amplitude oil cylinder 5 and the locking oil cylinder 7 act by supplying high-pressure oil through a hydraulic pump station, and the extending and retracting of the oil cylinders are remotely controlled by controlling an electromagnetic valve. When the amplitude variation oil cylinder 5 is started, the amplitude variation oil cylinder 5 drives the rotary arm support 3 to rotate, an inductive switch is arranged at the tail end stroke of the amplitude variation oil cylinder 5, and whether the rotary arm support 3 is in the horizontal position or the vertical position can be determined through the inductive switch. When the rotary arm support 3 rotates to the horizontal position, the ice frame support 15 is installed on the first ship structure 16, and the rotary arm support 3 can be fixed in the horizontal position through the amplitude variation oil cylinder 5 and the ice frame support 15. When the rotary arm support 3 rotates to a vertical position, the locking oil cylinder 7 is started to drive the bolt 10 to downwards penetrate through the first pin seat 91, the positioning column 31 and the second pin seat 92 in sequence for fixing, the locking oil cylinder 7 is provided with an inductive switch at the tail end stroke position, whether the bolt 10 is inserted or not can be determined through the inductive switch, and at the moment, the rotary arm support 3 can be fixedly operated at the vertical position. The invention can be used for throwing away floating ice in the trawling process, assisting the trawling, realizing local control and fixing operation in the vertical position and the horizontal position. The design service life of the invention is more than 20 years, and the invention can work in the environment of minus 30 ℃ for a long time and is not easy to damage. The invention is suitable for various fishing boats in ice regions, is installed on a fishing boat for freezing deep processing of a 82-meter trawl, and obtains good social and economic benefits.

The above-mentioned embodiments of the present invention are only examples for clearly illustrating the present invention, but not intended to limit the scope of the present invention, and all equivalent technical solutions also belong to the scope of the present invention, and the scope of the present invention should be defined by the claims.