CN103270984A

CN103270984A - Net cage anchoring system

Info

Publication number: CN103270984A
Application number: CN2013101994433A
Authority: CN
Inventors: 刘西磊
Original assignee: FANGCHENGGANG HAISHITONG FOOD Co Ltd
Current assignee: FANGCHENGGANG HAISHITONG FOOD Co Ltd
Priority date: 2013-05-27
Filing date: 2013-05-27
Publication date: 2013-09-04

Abstract

The invention discloses a net cage anchoring system. The net cage anchoring system comprises a net cage frame body, iron anchors and anchor lines. The iron anchors are connected with the net cage frame body through the anchor lines. The iron anchors are multiple and evenly distributed on a seabed on the periphery of the net cage frame body, and the anchor lines are arranged corresponding to the iron anchors, wherein cable-stayed angles of the seabed and the anchor lines are 8-15 degrees. The anchor lines comprise ropes and iron chains which are mutually connected, the iron chains are connected with the iron anchors, the front end of each rope is divided into two parts which are connected with the net cage frame body, the total length of the ropes and the iron chains is larger than 100 meters, the length of the iron chains is 50-60 meters, the diameter of the iron chains is phi 20mm-phi 25mm, the diameter of the ropes is phi 35mm-phi 40mm, and the weight of the iron anchors is 300kg-400kg. The iron anchors can be arranged in various directions, the long anchor lines are connected with a net cage in a multipoint mode, therefore, stability of the net cage is improved, and wind wave impulsive force is effectively buffered.

Description

The net cage anchor system

(1) technical field:

The present invention relates to the fixing of floating thing on the water surface or the sea, be specially a kind of net cage anchor system.

(2) background technology:

Net cage is mainly used in mariculture or breed waterborne, particularly deep-sea (water) is cultured and is then adopted floating cage, floating cage floats on the face of sea (water) by the mutual cooperation of float and sinker, and with rope, steel wire rope and set facility fixed cage under water.

For the floating cage of mariculture, adopt anchor on the sea bed as solid crop usually, be " offshore drift line type net cage system " patent of invention of 201010201803.5 as application number, anchor wherein connects the framework of net cage by anchor line.

But culture for the deep-sea, the disastrous climatic effect that floating cage faces is even more serious, and how the bigger stormy waves that causes as typhoon and bigger tide bulge and fall design the anchor system with the layout net cage, effectively taking precautions against extreme climate environment, is the purpose that the present invention proposes.

(3) summary of the invention:

The technical scheme of net cage anchor system of the present invention, comprise net cage framework, anchor and anchor line, difference is the uniform settings on the sea bed around the net cage framework of a plurality of anchors, corresponding to the anchor line total length of each anchor setting greater than 100 meters and with sea bed form 8 °～15 ° tiltedly draw angle, described anchor line comprises interconnective rope and iron chains, described iron chains connects anchor, and described rope connects the net cage framework.

In the present invention's design, rope and iron chains total length surpass 100 meters, enough spaces are provided for upper and lower the floating of net cage, and net cage can pass through mobile effectively buffering stormy waves impulse force in a big way; Under the normal condition, anchor line and sea bed angulation between 8 °～15 °, anchor stressed pulling force near horizontal direction (rather than the pulling force that makes progress), balance each other with the grip of anchor fluke, and iron chains can effectively cushion the pulling force from net cage from great, alleviates the burden of anchor.

Described iron chains Design of length is 50 meters～60 meters, guarantees to have the part iron chains to draw on sea bed so that frictional force to be provided, and can further alleviate the burden of anchor, can guarantee that anchor fluke firmly grasps the seabed simultaneously, increases grip.

Described rope is made as the leading portion rope that is connected with the net cage framework and the back segment rope that is connected with iron chains, described leading portion rope is made as isometric two, two leading portion ropes separately connect the net cage framework in the back, by the mode of increase with net cage framework tie point, increase the stress point of net cage framework, further strengthen stability.

According to the net cage of different specification size, the rational Design of length of each section rope is: described leading portion rope is 20 meters～30 meters, and described back segment rope is 40 meters～60 meters.

According to the net cage of different specification size, described iron chains diameter is chosen as Φ 20mm～Φ 25mm, and rope diameter is chosen as Φ 35mm～Φ 40mm, and anchor weight is chosen as 300kg～400kg.

Described rope is selected the polypropylene plastics rope.

Corresponding to the net cage framework of circle, described anchor is made as four.

Described anchor selects use to grab the speke anchor that the ground ability is strong, structural strength is big.

Advantage of the present invention:

1, net cage anchor system of the present invention is arranged anchor in a plurality of directions, connect the combination that net cage and anchor adopt rope and iron chains, the front end rope is two, increased the tie point with net cage, the iron chains of certain-length and weight can drag in seabed generation frictional force, with the earth-grasping force acting in conjunction of anchor in net cage, improve net cage stability.

2, the used rope of the present invention is longer, enough spaces is provided for the come-up of net cage, effectively cushions the stormy waves impulse force.

(4) description of drawings:

Fig. 1 is the structural representation of one embodiment of the present invention.

Fig. 2 is the side structure schematic diagram of Fig. 1 embodiment (during low tide).

Fig. 3 is the side structure schematic diagram of Fig. 1 embodiment (during high tide level).

Figure number sign: 1, net cage framework; 2, anchor; 3, leading portion rope; 4, back segment rope; 5, iron chains.

(5) embodiment:

Below in conjunction with accompanying drawing technical scheme of the present invention is described further.

Net cage anchor system of the present invention mainly is made of net cage framework 1, anchor 2 and anchor line.Wherein net cage framework 1 is circular, and the framework diameter is 19 meters～25.5 meters, and the framework degree of depth is 8 meters (h); The speke anchor of described anchor 2(360kg) uniformly on the sea bed around the net cage framework 1 arrange four, fourth officer tiltedly draws anchor line to connect anchor 2 and net cage framework 1 respectively, as shown in Figure 1.

Every secondary anchor line is interconnected to constitute by two leading portion ropes 3 arranged side by side, a back segment rope 4 and an iron chains 5, described leading portion rope 3 interconnects with back segment rope 4, described iron chains 5 connects the anchor pole end shackle of anchor 2, back segment rope 4 is connected with iron chains 5, two leading portion ropes 3 separately are connected with net cage framework 1 back, as shown in Figure 1.

The length of two leading portion ropes 3 is respectively 25 meters (L ₃), back segment rope 4 is 50 meters (L ₂), each rope is the polypropylene plastics rope, and its diameter is Φ 38mm; Iron chains 5 length are 55 meters (L ₁), diameter is Φ 22mm, as Fig. 1, Fig. 2, shown in Figure 3.

Described net cage framework 1 tiltedly draws anchor line to be connected and the fixed position with all around anchor 2 by fourth officer, the stressed earth-grasping force that anchor 2 is not only arranged of net cage framework 1, draw the frictional force that produces in sea bed because of part iron chains 5 in addition, two kinds of strength are resisted the pulling force of net cage framework 1 jointly.

(H when the sea is at low ebb ₁=4 meters), net cage framework 1 is sunk, and the oblique angle minimum of anchor line and sea bed is about 8 °, as shown in Figure 2.

(H when the sea is at high tide ₂=11 meters), net cage framework 1 come-up, the oblique angle maximum of anchor line and sea bed is about 15 °, as shown in Figure 3.

Claims

1. net cage anchor system, comprise net cage framework (1), anchor (2) and anchor line, it is characterized in that: a plurality of anchors (2) uniform setting on net cage framework (1) sea bed all around, the anchor line total length that arranges corresponding to each anchor (2) greater than 100 meters and with the sea bed face form 8 °～15 ° tiltedly draw angle, described anchor line comprises interconnective rope and iron chains (5), described iron chains (5) connects anchor (2), and described rope connects net cage framework (1).

2. net cage anchor system according to claim 1, it is characterized in that: described iron chains (5) length is 50 meters～60 meters.

3. net cage anchor system according to claim 2, it is characterized in that: described rope is made as the leading portion rope (3) that is connected with net cage framework (1) and the back segment rope (4) that is connected with iron chains (5), described leading portion rope (3) is isometric two, and two leading portion ropes (3) separately back connect net cage framework (1).

4. net cage anchor system according to claim 3, it is characterized in that: described leading portion rope (3) is 20 meters～30 meters, described back segment rope (4) is 40 meters～60 meters.

5. according to any described net cage anchor system in the claim 1～4, it is characterized in that: described iron chains (5) diameter is Φ 20mm～Φ 25mm, and rope diameter is Φ 35mm～Φ 40mm, and anchor (2) weight is 300kg～400kg.

6. according to any described net cage anchor system in the claim 1～4, it is characterized in that: described rope is the polypropylene plastics rope.

7. according to any described net cage anchor system in the claim 1～4, it is characterized in that: described net cage framework (1) is for circular, and described anchor (2) is four.

8. net cage anchor system according to claim 7, it is characterized in that: described anchor (2) is speke anchor.