CN206538552U - A kind of big-holed net - Google Patents

Abstract

The utility model belongs to fishing gear and made and technology field.To solve the technical problem present in big-holed net, the utility model provides a kind of big-holed net, and it is formed by many mesh pin rope braidings, every four mesh pin constitute a mesh, mesh is spliced into the eye thimble of Chinese lute head shapes respectively with four tubercles, the mesh pin rope two ends, it is characterised in that：Described tubercle is knotted by the eye thimble in four mesh foot portions and formed, and described knotting is the ring on the basis of at least one eye thimble in four eye thimbles, and remaining eye thimble passes through reference rings, is then passed through remaining eye thimble to tense by the other end of mesh pin where remaining eye thimble and is constituted.The big-holed net Stability Analysis of Structures, it is ensured that the precision and quality of mesh, can batch, standardized production.

Description

a big net

Technical field:

The utility model belongs to the technical field of fishing tackle manufacture and technology, in particular to a large mesh net.

Background technique:

The net is one of the main components of the net fishing gear. The basic unit of the net is the mesh. The shape, size, nodule structure and nodule firmness of the net, especially the large mesh net, have a great influence on the fishing performance of the net fishing gear. obvious impact.

The mesh of the big mesh net is generally diamond-shaped, and a mesh consists of four nodules and four mesh feet of equal length (the professional term symbol a for the mesh feet, and the mesh size is 2a, that is, the tension between the two nodules length), it is required that the length of the mesh foot is uniform and the nodules are firm, so as to ensure the correctness of the mesh and the strength of the mesh. Among them, the nodules of the mesh play a key role in the performance of the entire mesh, and it is required to keep the length of the four mesh feet of the mesh stable during use. The way of single-rope weaving and knotting can easily cause nodules to move during use, and the length of the mesh feet will vary, resulting in stress concentration on the shorter mesh feet, resulting in reduced strength or even damage to the mesh.

In order to solve this technical problem, the applicant applied for a Chinese patent on October 27, 2016: a large mesh ring-type combined nodule structure and assembly method (application number: 201610955861.4). In this patent document, the The technical scheme adopted is: the mesh nodules include a ring and 4 mesh feet, the two ends of the mesh feet are inserted into eye rings in the shape of a pipa head, and the open and close rings are used to penetrate the 4 mesh feet. The eye ring at the end of the foot of the eye, and then lock the ring to form a mesh ring-like combined nodule. The adoption of this technical solution can effectively prevent nodules from loosening and ensure the stability of the mesh size. However, in the process of implementation, it was found that the manufacturing requirements of the split ring are very high, not only requiring the ring to have high strength, but also requiring strong corrosion resistance. To manufacture a ring with the above properties requires a relatively high cost, which leads to a significant increase in the production cost of the mesh. Invention content:

The technical problem to be solved by the utility model is: to provide a large-mesh net, which uses the eye rings at both ends of the mesh foot to weave, so as to ensure that the mesh foot length is uniform, the nodules are firm, and it can be manufactured and assembled in a standardized manner to solve the problem of reducing the mesh size. Labor intensity of workers, improving the efficiency of hand weaving, reducing production costs and other issues.

In order to achieve the above-mentioned technical purpose, the utility model adopts the following technical solutions to realize: it includes two aspects: 1, the structure of the big mesh net; 2, the compilation method of the big mesh net.

1. A large mesh net, which is woven from a plurality of mesh ropes, and every four mesh ropes form a mesh, and the mesh has four knots, and the two ends of the mesh ropes are respectively inserted and woven into a mesh. The eye ring in the shape of a pipa head is characterized in that: the knot is formed by knotting the eye rings at the ends of four eye ropes, and the knot is formed by at least one eye ring in the four eye rings. The reference ring, the remaining eye ring passes through the reference ring, and then the other end of the eye rope where the remaining eye ring is located is pulled through the remaining eye ring.

Further, the eye rings at both ends of the eye rope are formed by inserting and weaving the eye rope itself.

Further, the lengths of the four-mesh ankle ropes in the mesh and the shape of the eye rings are consistent.

2, a kind of compiling method of big mesh net is characterized in that, comprises the following steps:

1) Production of eye ropes and eye rings

Cut the mesh rope of equal length, bend one end of the mesh rope, and form the A-strand rope at the free end. Then part of the rope body of the B-strand rope on the inserting ring is passed through the middle of the A-strand rope on the inserting ring to tighten, and the part of the rope body of the B-strand rope forms an eye ring; repeat the above steps, and the net rope is another Insert an eye ring at one end, thus forming a foot rope with eye rings at both ends;

2) Take four mesh foot ropes, and knot and weave the eye rings at one end of the four mesh foot ropes to form nodules. The knotted weaving refers to the eye ring on at least one of the mesh foot ropes as a reference Then the eye loops on the rest of the eye ropes are passed through the reference ring, and then the other end of the other mesh ropes is pulled through the eye loops at the knot to form;

3) Take the three mesh ropes and match the free eye ring on one of the mesh ropes after the knotting in step 2), where the free eye ring is used as the reference ring or as one of the reference rings, and repeat step 2). The process completes the weaving of the next nodule;

4) Repeat step 3) repeatedly to complete the weaving of the large mesh net.

Further, in step 1), after the part of the rope body of the B-strand rope forms an eye ring, it also includes inserting the free end of the A-strand rope into the rope body of the eye-leg rope, and using the rope body of the eye-leg rope to the A-strand rope. The free ends form a package.

Further, the mesh foot rope is braided by at least 4 braided ropes.

The utility model has the beneficial effects compared with the prior art:

1. The structure of the mesh nodules is stable and will not loosen, so that the mesh will not be deformed, and the length of the mesh ropes will be prevented from changing. The force on each mesh foot rope is even, reducing the damage rate of the mesh and making the whole The service life of the stretching net is significantly improved.

2. When the mesh rope breaks, the mesh rope can be easily replaced. Just untie the broken mesh rope from the knot on the mesh, and then tie a new mesh rope. , Its operation is simple and convenient, which greatly improves the efficiency of network repair.

3. When the whole net is scrapped, it can be disassembled to make full use of the unbroken mesh rope, which effectively improves the recycling rate of the net.

4. Use the mesh rope itself to weave the mesh, which effectively reduces the production cost, not only increases the strength of the mesh, but also ensures the flatness of the mesh.

Description of drawings

Accompanying drawing 1 is the structural representation of the large mesh net provided by the utility model.

Accompanying drawing 2 is the structural representation of order foot rope.

Accompanying drawing 3 is the schematic diagram of step 1 of inserting and weaving eyelet loops.

Accompanying drawing 4 is the schematic diagram of step 2 of inserting eyelet loops of the mesh foot.

Accompanying drawing 5 is the schematic diagram of step 3 of inserting and weaving eyelet loops.

Accompanying drawing 6 is the schematic diagram of step 1 of knotting and connecting two mesh foot ropes.

Accompanying drawing 7 is the schematic diagram of step 2 of knotting and connecting two mesh foot ropes.

Accompanying drawing 8 is the schematic diagram of step 3 of knotting and connecting two mesh foot ropes.

Accompanying drawing 9 is the schematic diagram of step 4 of knotting and connecting two mesh foot ropes.

detailed description

Below in conjunction with accompanying drawing and embodiment, the big mesh net provided by the utility model and preparation method are described in detail.

As shown in accompanying drawing 1, a kind of big mesh net, it is woven by a plurality of order foot ropes 1, and every four mesh foot ropes 1 form a mesh 2, and mesh has four nodules 3.

As shown in accompanying drawing 2, the eye ring 4 of the shape of the head of a lute is inserted into the two ends of the foot rope 1 respectively.

As shown in Figure 1, the knot 3 is formed by knotting the eye rings 4 at the ends of the four mesh foot ropes, and the specific knotting method will be described in detail later.

As shown in accompanying drawing 1, when weaving, require the length of four order foot ropes 1 in all meshes and eye ring 4 shape to be consistent.

The specific preparation method is described in detail below.

The making of eye rope and eye ring includes the following steps:

step 1,

As shown in accompanying drawing 3, intercept the mesh foot rope 1 of equal length, after bending one end of the mesh foot rope 1, the free end forms A strand rope 11, and the mesh foot rope body is B strand rope 12, and the A strand rope 11 The end is passed through the middle of the B-strand rope 12 to form an insertion ring 41;

step 2

As shown in accompanying drawing 4, part of the rope body of the B strand rope 12 on the knitting ring is passed through the middle of the A strand rope on the knitting ring to form a pulling ring 13;

step 3

As shown in Figure 5, pull the pulling ring 13, the inserting ring 41 is tightened, and the pulling ring 13 is expanded to form the eye ring 4. At the same time, the B-strand rope is tightened to hold the free end 111 of the A-strand rope tightly, and the eye foot is completed. The insertion of the eyelet 4 at the end of the rope 1;

step 4

In order to prevent the free end 111 of the A-strand rope from being broken and loose and to ensure the integrity of the rope body below the eye ring 4, after the insertion of the eye ring 4 is completed, insert the free end 111 of the A-strand rope into the body of the eye-leg rope 1 , using the multi-strand braided rope of the eye rope 1 to form a package to the free end 111 of the A-strand rope.

step 5

Repeat the above steps 1-4 to finally form the mesh foot rope 1 with eye rings 4 at both ends as shown in Figure 2 .

It can be seen from the above description that the eye ring 4 completes the knitting operation by separating the multi-strand braided ropes of the mesh rope, so the number of braided rope strands of the mesh rope cannot be too small. Generally, this method requires the number of braided rope strands of the mesh rope. At least 4.

The following is a detailed description of the compilation method of the big mesh network.

In this embodiment, the connection method of two mesh foot ropes is described, and the connection of multiple mesh foot ropes can be smoothly carried out on the basis of mastering this method.

The steps to connect the two mesh ropes are as follows:

step 1

As shown in accompanying drawing 6, take two mesh foot ropes 1, use the eye ring at one end of one of the mesh foot ropes as the reference ring 4-2, and connect the eye ring 4 at one end of the other mesh foot rope 1 with the reference ring 4-2 relative;

step 2

As shown in accompanying drawing 7, pass the eye ring 4 opposite to the reference ring 4-2 through the reference ring 4-2;

step 3

As shown in accompanying drawing 8, the other end of eyelet rope 1 that will pass through the eyelet of datum ring 4-2 is passed by eyelet 4;

step 4

Tighten the free end of the eye rope that passes through the self eye ring to form the connection state shown in accompanying drawing 9, and form the connection between the two eye ropes 1 .

As shown in accompanying drawing 1, when 4 mesh foot ropes are connected, the eye rings at one end of two of the mesh foot ropes are overlapped as a reference ring, and then the eye rings of the other two mesh foot ropes pass through the reference ring, and then The other end of itself passes through the eye ring to complete the knotting of the four mesh ankle ropes, and knots are formed after the eye rings of the four mesh ankle ropes are knotted.

Wherein, when 4 mesh foot ropes are knotted, the reference ring can be the eye ring on one mesh foot rope, or the eye ring on 2-3 mesh foot ropes can be used as the reference ring. The enlightenment of the method of connecting the foot rope can be successfully completed.

According to the above description in conjunction with the accompanying drawing 1, when a node 3 is completed, each single free eye ring can cooperate with the eye rings on the other three eye ropes to perform the knotting operation of the next node 3, repeat, Complete the weaving of the big mesh net.

In the present embodiment, laboratory and offshore operation tests have been carried out on the large mesh net woven by the above-mentioned method, and the test results are as follows:

The mesh foot rope is made of polyethylene mesh rope, the length of the mesh foot rope is 10.00m (+ 0.40m for eye rings 3 at both ends), the diameter is 7mm, and the mesh foot rope is braided with 8 strands of braided rope.

The laboratory and sea test conditions are consistent with the conditions of the large mesh net in the patent (application number: 201610955861.4) that the applicant has applied for, and the conditions are as follows:

1. Laboratory test

Strength testing machine: model WGL-2500SL, maximum load 25000N, clamping length 250mm, tensile speed 300mm/min;

Test method: clamp 2 mesh feet on the upper chuck, and clamp 2 mesh feet on the lower chuck; keep the mesh feet equal in length, slightly tighten; stretch until broken;

Test results: 6 times of tensile test, the nodules are intact, and the broken parts are all mesh rope segments.

2. Offshore production network test

Test boat: double tugboats, each with a length of 31.00m, a width of 5.60m, and a depth of 2.70m; the power of the fishing boat is 330.75kW;

Specifications of trawl net gear: the perimeter of the net opening is 530.00m x the straightened length of the net body is 200.00m, the mesh size of the net opening is 2a=10.00m, and there are 53 combined nodules in each row, a total of 106.

From August to December 2015, anchovy and Spanish mackerel were fished at sea. No damage to the mesh or change in size was found in the lifting, lowering and towing operations of the net, and the nodules were intact.

Claims (3)

1. a kind of big-holed net, it is formed by many mesh pin rope braidings, and every four mesh pin rope constitutes a mesh, and mesh carries four Tubercle, the mesh pin rope two ends are spliced into the eye thimble of Chinese lute head shapes respectively, it is characterised in that：Described tubercle is by four mesh pin The eye thimble in end portion knots and formed, and described knotting is the ring on the basis of at least one eye thimble in four eye thimbles, remaining eye Ring passes through reference rings, then passes through remaining eye thimble to tense by the other end of mesh pin rope where remaining eye thimble and constitutes.

2. a kind of big-holed net according to claim 1, it is characterised in that：The eye thimble at the mesh pin rope two ends passes through mesh pin rope Itself it is spliced and forms.

3. a kind of big-holed net according to claim 1, it is characterised in that：The length of four mesh pin ropes in the mesh and Eye thimble shape is consistent.