CN208102265U - A kind of double anchor chain four paws bilayer anchors - Google Patents

Abstract

The utility model discloses a kind of double anchor chain four paws bilayer anchors, including anchor shank, change and anchor chain, the both ends of the anchor shank are equipped with upper shackle and lower shackle, upper shackle is connect with change, change is connect by anchor chain with wirerope, lower shackle is connect with nylon rope, and wirerope and nylon rope are connect with windlass respectively, and anchor fluke is equipped on anchor shank.Double anchor chain four paws bilayer anchors of the utility model, with upper and lower two anchor chains (or anchor is pulled), the anchor fluke of anchor is made of interior anchor fluke and outer anchor fluke, their section is equilateral triangle, an angle faces the bending direction of anchor fluke simultaneously, and area of section is gradually reduced along anchor fluke to pawl point, and anchor fluke is designed in this way, resistance of the anchor fluke when burying can be effectively reduced, while double-layer structure also considerably increases the bending strength of anchor fluke.

Description

A kind of double anchor chain four paws bilayer anchors

Technical field

The utility model relates to double anchor chain four paws bilayer anchors, belong to ship domain.

Background technique

Marine anchor will directly determine as the capital equipment for hitching ship and making stay of ship on the water surface, the quality of performance Can fixed whole ship rest on the water surface with security and stability.The factor for determining marine anchor performance includes that grip size, structure are strong It spends, difficulty of burying, bury distance, the difficulty that weighs anchor etc..

Garpnel is then a kind of patent anchor that one is made in anchor fluke and anchor shank, gathers around there are four fixed jaw, usual quality compared with It is small, it is commonly used on spitkit.Since it is relatively specific for the substrates such as stiff mud, sandstone and reef, obtain extensive It uses.

Common four paws anchor structure is simple, although manufacture is easy, low in cost, there is also the lower problems of intensity, in anchor It buries and is easy to destroy anchor fluke when weighing anchor.

Utility model content

Goal of the invention：In order to overcome the deficiencies in the prior art, it is double that the utility model provides a kind of double anchor chain four paws Layer anchor, there is recycling to be easier, bury more easily, the stronger advantage of structure.

Technical solution：In order to solve the above technical problems, double anchor chain four paws bilayer anchors of the utility model, including anchor shank, turn The both ends of ring and anchor chain, the anchor shank are equipped with upper shackle and lower shackle, upper shackle are connect with change, and change passes through anchor chain and steel wire Rope connection, lower shackle are connect with nylon rope, and wirerope and nylon rope are connect with windlass respectively, and anchor fluke is equipped on anchor shank.

Preferably, the anchor fluke includes upper anchor fluke and lower anchor fluke, upper anchor fluke and lower anchor fluke are installed on anchor shank.

Preferably, the section of the upper anchor fluke and lower anchor fluke is triangle, section is cross section, that is, refers to the shape of section Shape.

Preferably, the triangle is equilateral triangle.

Preferably, the anchor chain is the steel anchor chain of 12.5m long.

Preferably, the anchor shank is cylinder.

Preferably, the upper and lower ends of the anchor shank are hemispherical.

In the present invention, anchor shank is cylinder, makes its bending sections in the bending stress by different directions Coefficient is equal；The upper and lower ends of anchor shank are then made into hemispherical, have prevented wedge angle from damaging nylon rope.The upper shackle is mounted on anchor shank Upper end, upper shackle first connects a change, and change reconnects one 12.5 meters long of steel anchor chain (according to German Lloyd's class Society DNV《Sea-going Steel Ship Rules》Choose), steel anchor chain reconnects wirerope.The lower shackle is mounted on anchor shank lower end, unloads down later Button is connected with nylon rope again, when weighing anchor, can make easily broken out by drawing nylon rope.The anchor fluke uses interior anchor fluke+outer anchor The double-layer structure of pawl, and inside and outside anchor fluke is in distribution up and down.The bilayer anchor fluke structure is greatly improved anchor fluke section relative to neutrality The moment of inertia of layer, to greatly improve its bending strength when anchor fluke is acted on by bending force.The inside and outside anchor fluke uses positive three Angle section, area of section are gradually reduced along anchor fluke to pawl point, and an apex angle of triangle faces the curved direction of anchor fluke, The direction that namely anchor fluke buries can play the role of reducing soil-entering resistance when anchor fluke buries.

Double anchor chain four paws bilayer anchors of the invention have upper and lower two anchor chains (or anchor is pulled), when in use, based on upper anchor chain The stress anchor chain wanted, since anchor is used primarily on medium and small-scale vessel, therefore upper anchor chain uses the combination of steel anchor chain+wirerope, it Existing certain tensile strength, and have lighter quality.Lower chains are used when weighing anchor, longer than upper anchor chain, are not made For main loaded anchor chain, therefore nylon rope is used, when weighing anchor, pulls Lower chains, anchor will be by the drawing contrary with burying Power, therefore anchor will be easily pulled out, and be born with can effectively reducing windlass.The anchor fluke of anchor is made of interior anchor fluke and outer anchor fluke, Their section is equilateral triangle, while an angle faces the bending direction of anchor fluke, and area of section along anchor fluke to pawl Point is gradually reduced, and anchor fluke is designed in this way, and can effectively reduce resistance of the anchor fluke when burying, while double-layer structure also considerably increases The bending strength of anchor fluke.

Beneficial effect：Double anchor chain four paws bilayer anchors of the utility model, have the following advantages that：

1. possessing two anchor chains up and down, Lower chains are nylon rope, and light weight has some strength, by anchor when for weighing anchor Pawl is extracted from substrate.Compared to the common garpnel of only one anchor chain, the burden of windlass can be greatly reduced.

2. anchor fluke section is equilateral triangle, one of apex angle faces the bending direction of anchor fluke, and area of section along Anchor fluke is gradually reduced to pawl point.Compared to the circular cross-section of common anchor fluke, triangular-section is buried more easy.

3. anchor has the inside and outside double-deck anchor fluke, compared with common garpnel, in the case where anchor fluke is identical in quality, and section inertia Square is bigger, therefore has higher bending strength.And the double-deck anchor fluke possesses bigger surface area, increases the friction between substrate Power is not easy to drag of anchor.

Detailed description of the invention

Fig. 1 is axonometric drawing of the invention；

Fig. 2 is main view of the invention；

Fig. 3 is left view of the invention；

Fig. 4 is top view of the invention；

Fig. 5 is bottom view of the invention.

Specific embodiment

The utility model is further described with reference to the accompanying drawing.

As shown in Figures 1 to 5, a kind of double anchor chain four paws bilayer anchors, by anchor shank 1, upper shackle 2, lower shackle 3, interior anchor fluke 4, outer anchor fluke 5 forms.Upper shackle 2 is first connected with change 6, and change 6 reconnects the steel anchor chain 7 of one section of 12.5m long, connects again later Connect wirerope 8.Lower shackle 3 is directly connected with nylon rope 9.

When the invention works, wirerope 8 and nylon rope 9 are controlled by two windlass respectively.When casting anchor, connection nylon rope 9 Windlass is in off position, the extended random length of nylon rope 9.The windlass of connecting steel wire ropes 8 is then as the anchor of common garpnel Machine equally works normally.When anchor fluke buries, the anchor fluke of triangular-section can reduce resistance.Ship after casting anchor encounters stormy waves When acutely rocking or move, the structure of the double-deck anchor fluke can provide stable grip and firm structure.

When anchor, do not start the windlass of control wirerope 8 first, but start the windlass of control nylon rope 9, pulls anchor lower part Nylon rope 9, receive anchor and bury contrary pulling force, so that anchor fluke be extracted from substrate.It weighs anchor mode with tradition It compares, the mode that weighs anchor of the invention can not only reduce bending stress suffered by anchor fluke when weighing anchor, moreover it is possible to the burden of smaller windlass. After anchor fluke is pulled out from substrate, the windlass of starting control wirerope 8, two windlass work at the same time the pull-up from water by anchor.

Claims (7)

1. a kind of double anchor chain four paws bilayer anchors, it is characterised in that：Including anchor shank, change and anchor chain, the both ends of the anchor shank are equipped with Upper shackle and lower shackle, upper shackle are connect with change, and change is connect by anchor chain with wirerope, and lower shackle is connect with nylon rope, Wirerope and nylon rope are connect with windlass respectively, and anchor fluke is equipped on anchor shank.

2. double anchor chain four paws bilayer anchors according to claim 1, it is characterised in that：The anchor fluke includes upper anchor fluke and casts anchor Pawl, upper anchor fluke and lower anchor fluke are installed on anchor shank.

3. double anchor chain four paws bilayer anchors according to claim 2, it is characterised in that：The section of the upper anchor fluke and lower anchor fluke For triangle.

4. double anchor chain four paws bilayer anchors according to claim 3, it is characterised in that：The triangle is equilateral triangle.

5. double anchor chain four paws bilayer anchors according to claim 1, it is characterised in that：The anchor chain is the steel of 12.5m long Anchor chain.

6. double anchor chain four paws bilayer anchors according to claim 1, it is characterised in that：The anchor shank is cylinder.

7. double anchor chain four paws bilayer anchors according to claim 1, it is characterised in that：The upper and lower ends of the anchor shank are hemisphere Shape.