CN217958408U

CN217958408U - Trawl net bag mouth buckle tightening device

Info

Publication number: CN217958408U
Application number: CN202123003590.8U
Authority: CN
Inventors: 吕泽砚; 朱文斌; 刘莉莉
Original assignee: Zhejiang Ocean University ZJOU
Current assignee: Zhejiang Ocean University ZJOU
Priority date: 2021-12-02
Filing date: 2021-12-02
Publication date: 2022-12-06
Anticipated expiration: 2031-12-02

Abstract

The utility model discloses a trawl net bag mouth buckle shrinking device, which comprises an expansion structure, a buckle structure and a tightening structure, wherein the buckle structure is arranged at one end of the inner outer wall of the expansion structure, and the tightening structure is fixed at one end of the outer part of the buckle structure; the buckle structure includes: an adjustment ring fixed to an inner lower end outer wall of the expandable structure; the first limiting block is arranged on one side of the inner wall of the adjusting ring; and the second limiting block is arranged on the other side of the inner wall of the adjusting ring. This trawl net bag mouth buckle constriction device makes intercommunication ring and adjustable ring carry out the block installation through the recess, its fish of effectual prevention when fishing gets to escape from its joint space and overflows, the bag mouth through pulling the messenger net bag of the tight main rope of contraction with strength carries out the closure, utilize the spacing rope can be connected the little net of four corners mesh and net bag, carry out the supplementary atress of dispersion through less spacing rope to buckle structure, the effectual buckle structure that prevents appears bearing too big, the condition that drops.

Description

Trawl net bag mouth buckle tightening device

Technical Field

The utility model relates to a trawl net assists technical field, specifically is a trawl net bag mouth buckle constriction device.

Background

The trawl is also called a trawl, the trawl drags the fishing gear to move forward in the sea bottom or seawater by utilizing the movement of the ship, and forces the fishing gear to enter the net bag through the fishing objects such as fishes, shrimps and crabs in the water area, so as to achieve the aim of fishing, and the net bag is connected with the front end net gear through mostly ropes, so that a fisher can disassemble the net bag, and the repair of the damaged net bag caused by the organisms such as shrimps, crabs and the like is convenient.

Generally, the net bags on the market are connected with front-end netting gears through ropes, a plurality of groups of ropes are needed to be used for fixing, gaps are not prone to being formed in the connection positions of the net bags, fishes escape, and the like, but the connection mode of the net bags enables the disassembly of the net bags to be more complicated, and therefore the trawl net bag opening buckling and tightening device is provided.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a trawl net bag mouth buckle constriction device to generally be connected through the rope between the net bag on the market that proposes in solving above-mentioned background art and the front end netting gear, need pass through the multiunit rope during fixed, make its junction be difficult for going out the space, cause the fish to obtain etc. and escape overflow, but the dismantlement of the net bag that its connected mode made becomes comparatively loaded down with trivial details problem.

In order to achieve the above purpose, the utility model provides a following technical scheme: a trawl net bag opening buckle tightening device comprises an expansion structure, a buckle structure and a tightening structure, wherein the buckle structure is arranged at one end of the inner outer wall of the expansion structure, and the tightening structure is fixed at one end of the outer part of the buckle structure;

the buckle structure includes:

an adjustment ring fixed to an inner lower end outer wall of the expandable structure;

the first limiting block is arranged on one side of the inner wall of the adjusting ring;

the second limiting block is arranged on the other side of the inner wall of the adjusting ring;

the communication ring is arranged on one side of the outer wall of the buckle structure;

and the groove is arranged at the middle end of the outer wall of the communicating ring.

Preferably, the communicating ring forms a clamping structure with the adjusting ring through the first limiting block and the second limiting block, and the inner wall of the adjusting ring is tightly attached to the outer wall of the communicating ring.

Preferably, the expanding structure comprises:

the hexagonal mesh large net is arranged outside the buckle structure;

the floater is fixed on one side of the outer wall of the hexagonal mesh large net;

the balancing weight is fixed at the bottom of the hexagonal mesh large net;

a head line connected to an outer wall of the float;

the reinforcing layer is connected to the other side of the outer wall of the large hexagonal mesh net;

the hexagonal mesh small net is connected to one side of the outer wall of the reinforcing layer;

the four-angle mesh large net is connected to one side of the outer part of the hexagonal mesh small net;

and the four-corner mesh small net is connected to one side of the outer part of the four-corner mesh large net.

Preferably, the floats are fixedly connected with the hexagonal mesh large net, and the floats are symmetrically distributed along the vertical central axis of the hexagonal mesh large net.

Preferably, the lacing structure comprises:

the net bag is fixed on one side of the outer wall of the buckle structure;

the tightening main rope is connected to one side of the outer wall of the net bag;

a stopper rope fixing a left side of the mesh bag;

the unloading rope is connected to the other side of the outer wall of the net bag;

and the discharging net opening is arranged on the right side of the discharging rope.

Preferably, the net bag forms detachable construction through spacing rope and buckle structure, and spacing rope is along net bag outer wall a week evenly distributed.

Preferably, the main tightening ropes and the net bags are in a staggered winding shape, and the main tightening ropes and the net bags are movably connected.

Compared with the prior art, the beneficial effects of the utility model are that: this trawl net bag mouth buckle constriction device makes intercommunication ring and adjustable ring carry out the block installation through the recess, its fish of effectual prevention when fishing gets to escape from its joint space and overflows, the bag mouth through pulling the messenger net bag of the tight main rope of contraction with strength carries out the closure, utilize the spacing rope can be connected the little net of four corners mesh and net bag, carry out the supplementary atress of dispersion through less spacing rope to buckle structure, the effectual buckle structure that prevents appears bearing too big, the condition that drops.

The intercommunication ring constitutes the block structure through first stopper, second stopper and adjustable ring, and adjustable ring inside is provided with first stopper and second stopper, and the accessible recess makes intercommunication ring and adjustable ring carry out the block installation, and its fish is got to escape from its joint space when effectually preventing to catch.

For crisscross winding form between main rope of the shrink and the net bag, its crisscross winding in the mesh of net bag of main rope of shrink, the top of its net bag is connected on boats and ships, after it catches, through pulling the bag mouth of the messenger's net bag of main rope of shrink hard and closing, lie in through tightening the bag mouth, make and prevent that the fish from obtaining to have more when unloading and remain in the expanded structure, it is comparatively troublesome to collect to and through tightening, make things convenient for the adjustable ring to dismantle with the intercommunication ring.

The net bag forms detachable construction through spacing rope and buckle structure, utilizes the spacing rope can be connected the little net of four corners mesh with the net bag, disperses supplementary atress to buckle structure through less spacing rope, and the effectual buckle structure that prevents appears bearing the weight of too big, the condition that drops to and improve its efficiency of dismantling through less spacing rope.

Drawings

FIG. 1 is a schematic perspective view of the present invention;

FIG. 2 is a schematic view of the three-dimensional structure of the buckle structure of the present invention;

fig. 3 is a schematic view of the top view of the tightening structure of the present invention.

In the figure: 1. an expanded configuration; 101. a hexagonal mesh large net; 102. a float; 103. a balancing weight; 104. a dimension line; 105. a reinforcement layer; 106. a hexagonal mesh small net; 107. a foursquare mesh large net; 108. a foursquare mesh small net; 2. a buckle structure; 201. an adjusting ring; 202. a first stopper; 203. a second limiting block; 204. a communication ring; 205. a groove; 3. a tightening structure; 301. a mesh bag; 302. the main rope is contracted; 303. a limiting rope; 304. unloading the rope; 305. and (4) discharging the net port.

Detailed Description

As shown in fig. 1, a trawl net bag mouth buckle tightening device comprises: expansion structure 1, expansion structure 1's inside outer wall one end is provided with buckle structure 2, and buckle structure 2's outside one end is fixed with tightens structure 3, and expansion structure 1 includes: the hexagonal mesh large net 101 is arranged outside the buckle structure 2; a float 102 fixed to an outer wall side of the hexagonal mesh net 101; a counter weight block 103 fixed to the bottom of the hexagonal mesh net 101; a head line 104 connected to an outer wall of the float 102; a reinforcing layer 105 connected to the other side of the outer wall of the hexagonal mesh net 101; a hexagonal mesh 106 connected to one side of the outer wall of the reinforcing layer 105; a foursquare mesh large net 107 connected to one side of the outside of the hexagonal mesh small net 106; the four-corner mesh small net 108 is connected to one side of the outside of the four-corner mesh large net 107, the floats 102 and the hexagonal mesh large net 101 are fixedly connected, the floats 102 are symmetrically distributed along the vertical central axis of the hexagonal mesh large net 101, the floats 102 on the side of the hexagonal mesh large net 101 are symmetrically distributed, the hexagonal mesh large net 101 can be unfolded under the action of the balancing weight 103 by stretching the head line 104 outwards from two sides, large-scale fishing is carried out on underwater fishes, and fishing efficiency is effectively improved.

As shown in fig. 2, a trawl net bag mouth buckle tightening device, the buckle structure 2 includes: an adjusting ring 201 fixed to an inner lower end outer wall of the expanding structure 1; a first stopper 202 disposed at one side of an inner wall of the adjusting ring 201; a second limit block 203 arranged at the other side of the inner wall of the adjusting ring 201; a communicating ring 204 disposed at one side of an outer wall of the fastening structure 2; the groove 205 is formed in the middle end of the outer wall of the communicating ring 204, the communicating ring 204 and the adjusting ring 201 form a clamping structure through the first limiting block 202 and the second limiting block 203, the inner wall of the adjusting ring 201 is tightly attached to the outer wall of the communicating ring 204, the first limiting block 202 and the second limiting block 203 are arranged inside the adjusting ring 201, the communicating ring 204 and the adjusting ring 201 can be clamped and installed through the groove 205, and accordingly fish can be effectively prevented from escaping from the connecting gap when the fish is caught.

As shown in fig. 3, a trawl net bag mouth buckle tightening device, the tightening structure 3 includes: a mesh bag 301 fixed to the outer wall side of the buckle structure 2; the tightening main ropes 302 are connected to one side of the outer wall of the net bag 301, the tightening main ropes 302 and the net bag 301 are in a staggered winding shape, the tightening main ropes 302 and the net bag 301 are movably connected, the tightening main ropes 302 are wound in the meshes of the net bag 301 in a staggered mode, the top end of the net bag 301 is connected to a ship, after the fishing, the bag openings of the net bag 301 are closed by pulling the tightening main ropes 302 with force, the bag openings are tightened, so that more fish are prevented from remaining in the expansion structure 1 during unloading, the collection is troublesome, and the adjustment ring 201 and the communication ring 204 are convenient to detach, and the limiting ropes 303 fix the left side of the net bag 301; a discharge rope 304 connected to the other side of the outer wall of mesh bag 301; discharge net gape 305, it sets up in the right side of unloading rope 304, net bag 301 constitutes detachable construction through spacing rope 303 and buckle structure 2, and spacing rope 303 is along net bag 301 outer wall a week evenly distributed, utilize spacing rope 303 can be connected four corners mesh seine 108 and net bag 301, carry out the supplementary atress that disperses to buckle structure 2 through less spacing rope 303, it is too big effectually to prevent that buckle structure 2 from appearing bearing, the condition that drops, and improve its efficiency of dismantling through less spacing rope 303.

To sum up, the trawl net bag opening buckle and shrink device comprises the following steps that firstly, two groups of hollow ropes 104 are distributed and fixedly connected to the winders at two sides of a ship, then, a shrink main rope 302 is fixedly connected to the winder at the middle part of the ship, the trawl is prevented from entering a water area, the floats 102 at the sides of the hexagonal mesh net 101 are symmetrically distributed, under the action of a balancing weight 103, the hexagonal mesh net 101 can be unfolded by stretching the hollow ropes 104 outwards at two sides, large-scale fishing is carried out on underwater fishes, the shrink main rope 302 is kept in a loose state, so that the net bag 301 is dragged under the water surface to generate resistance to expand the bag opening of the net bag 301, the limit rope can be used for connecting the four-corner mesh small net 108 with the net bag 301, and the buckle structure 2 is subjected to dispersed auxiliary stress through the small limit rope 303, the clamping structure 2 is effectively prevented from being too large in bearing capacity, the falling-off condition is realized, fish can be collected conveniently, the connecting ring 204 and the adjusting ring 201 can be clamped and installed through the groove 205, the fish can be effectively prevented from escaping from the connecting gap when being caught, after the collecting, the rolling machine at the middle end of the ship is firstly arranged to enable the net bag 301 to be shrunk, meanwhile, the rolling machines on the two sides of the ship are opened to enable the trawl to be wound, the trawl is wound on the ship and suspended, the three rolling machines are closed, the discharging ropes 304 tied outside the discharging net port 305 of the net bag 301 are uncovered, the internal fish can fall onto the ship clamping plate to be collected, the limiting ropes 303 are uncovered, the connecting ring 204 is detached from the adjusting ring 201 through adjustment of the adjusting ring 201, and the repairing and the re-installation are facilitated.

Claims

1. The utility model provides a trawl net bag mouth buckle constriction device, includes expansion structure (1), buckle structure (2) and tightens structure (3), its characterized in that: a buckle structure (2) is arranged at one end of the inner outer wall of the expansion structure (1), and a tightening structure (3) is fixed at one end of the outer part of the buckle structure (2);

the snap structure (2) comprises:

an adjusting ring (201) fixed to the inner lower end outer wall of the expanding structure (1);

a first limit block (202) arranged on one side of the inner wall of the adjusting ring (201);

the second limiting block (203) is arranged on the other side of the inner wall of the adjusting ring (201);

the communication ring (204) is arranged on one side of the outer wall of the buckle structure (2);

a groove (205) opening at the middle end of the outer wall of the communication ring (204).

2. The trawl net bag mouth buckle constriction device of claim 1, characterized in that: the communicating ring (204) forms a clamping structure with the adjusting ring (201) through the first limiting block (202), the second limiting block (203), and the inner wall of the adjusting ring (201) is tightly attached to the outer wall of the communicating ring (204).

3. The trawl net bag mouth buckle constriction device of claim 1, characterized in that: the expandable structure (1) comprises:

the hexagonal mesh large net (101) is arranged outside the buckle structure (2);

a float (102) fixed to the outer wall side of the hexagonal mesh net (101);

the balancing weight (103) is fixed at the bottom of the hexagonal mesh large net (101);

a head line (104) connected to an outer wall of the float (102);

a reinforcing layer (105) connected to the other side of the outer wall of the hexagonal mesh net (101);

a hexagonal mesh net (106) connected to the outer wall side of the reinforcing layer (105);

a foursquare mesh large net (107) connected to one side of the outside of the hexagonal mesh small net (106);

and a foursquare mesh small net (108) connected to an outer side of the foursquare mesh large net (107).

4. The trawl net bag mouth buckle constriction device of claim 3, characterized in that: the floater (102) is fixedly connected with the hexagonal mesh large net (101), and the floaters (102) are symmetrically distributed along the vertical central axis of the hexagonal mesh large net (101).

5. The trawl net sac opening buckle and tighten device according to claim 1, characterized in that: the lacing structure (3) comprises:

the net bag (301) is fixed on one side of the outer wall of the buckle structure (2);

a main tightening rope (302) connected to the outer wall side of the net bag (301);

a stopper string (303) that fixes the left side of the mesh bag (301);

a discharge rope (304) connected to the other side of the outer wall of the mesh bag (301);

a discharge net opening (305) arranged at the right side of the discharge rope (304).

6. The trawl net bag mouth buckle constriction device of claim 5, characterized in that: the net bag (301) forms a detachable structure with the buckle structure (2) through the limiting rope (303), and the limiting rope (303) is uniformly distributed along the periphery of the outer wall of the net bag (301).

7. The trawl net bag mouth buckle constriction device of claim 5, characterized in that: the tightening main ropes (302) and the net bags (301) are in a staggered winding shape, and the tightening main ropes (302) are movably connected with the net bags (301).