CN218929724U

CN218929724U - Quick anchor lifting and dropping device

Info

Publication number: CN218929724U
Application number: CN202222363439.3U
Authority: CN
Inventors: 王颢然; 仓杰; 邵旭; 蔡烨; 张文杰; 陈佛玉
Original assignee: Shanghai Ouyang Offshore Engineering Group Co ltd
Current assignee: Shanghai Ouyang Offshore Engineering Group Co ltd
Priority date: 2022-09-06
Filing date: 2022-09-06
Publication date: 2023-04-28
Anticipated expiration: 2032-09-06

Abstract

The utility model relates to the field of ships and ocean engineering, in particular to a quick anchor lifting and breaking device, which comprises a steel structure main body, a polyurethane main body, a through hole, a top flange, a bottom flange, a first shackle and a floating cable, wherein the first shackle is arranged on the bottom flange; the two ends of the steel structure main body are symmetrically provided with rolling and rotating polyurethane main bodies, the middle part of the steel structure main body is provided with a through hole perpendicular to the axis of the steel structure main body, the two ends of the through hole are respectively connected with a top flange and a bottom flange in a screwed mode, the outer side wall of the steel structure main body is provided with an eye plate, the eye plate is provided with a first shackle, and the first shackle is connected with a floating cable; the utility model realizes quick anchor lifting and breaking, and the whole anchor lifting and breaking process only needs to be disassembled and assembled once to connect the anchor lifting winch with the closed cable joint. Compared with the traditional anchor lifting and dropping mode, the process of disassembling and assembling the anchor buoy is saved, and the workload is reduced by 50%.

Description

Quick anchor lifting and dropping device

Technical Field

The utility model relates to the technical field of ships and ocean engineering, in particular to a rapid anchor lifting and dropping device.

Background

The ship and the ocean platform can perform construction operation in a target sea area, and need to be positioned and tethered in the corresponding sea area. At present, the offshore mooring mode comprises two modes of dynamic positioning and anchoring positioning. The former has high requirements on ship equipment, and the construction and operation costs are high, but the positioning accuracy is high, and the ship is common to large and medium-sized multipurpose ships; the device of the latter equipment is relatively simple and has strong adaptability to different sea conditions, but the auxiliary ship is required to cooperate with the device to perform anchor operation, which is common in non-self-propelled ships and ocean engineering platforms.

For the anchoring positioning system, a radial multi-point positioning anchor is generally adopted, an engineering ship or a platform is fixed in an operation water area, the anchoring positioning system is matched with an auxiliary ship, the positioning anchor is transferred to a designated place from the platform to be positioned, thrown into the sea floor, and an anchor buoy and an anchor head cable are arranged at the bottom end of the positioning anchor for use in subsequent anchor lifting;

in the conventional anchor lifting process, the anchor buoy is required to be salvaged on the ship by the winch, then the shackle II between the anchor buoy and the anchor head cable is released, the anchor head cable is connected to the winch, the positioning anchor on the seabed is pulled up to the deck of the ship by recovering the anchor head cable, the anchor buoy is dismounted more times, and the workload is high.

Disclosure of Invention

The utility model provides a quick anchor lifting device which aims at the problems existing in the prior art, and reduces the workload.

The basic scheme of the utility model is as follows: a quick anchor lifting device comprises a steel structure main body, a polyurethane main body, a through hole, a top flange, a bottom flange, a shackle I and a floating cable; polyurethane main part is all symmetry movable mounting at the both ends of steel construction main part, the through-hole of perpendicular to its axis has been seted up at the middle part of steel construction main part, the both ends of through-hole are connected with top flange and bottom flange respectively in a spin-on manner.

Preferably, an eye plate is mounted on the outer side wall of the steel structure main body, and a first shackle is mounted on the eye plate and connected with a floating cable.

Preferably, cross piles are mounted on the outer surface of the steel structural body.

Preferably, the inner side of the polyurethane body is provided with a coaxial bearing, and the polyurethane body is rotationally connected with the steel structure body through the bearing.

Preferably, the top flange is connected with a steel wire rope through a closed cable joint, the steel wire rope is connected with one end of an anchor chain through a shackle II, and the other end of the anchor chain is connected with a positioning anchor through the shackle II.

Preferably, the closed cable joint at the end part of the steel wire rope can be moved out of the steel structure main body through the through hole after the top flange and the bottom flange are opened, so that the steel wire rope with the corresponding length can be stored conveniently and changed according to different anchoring depths.

The working principle and the advantages of the utility model are as follows: the utility model realizes quick anchor lifting and breaking, and the whole anchor lifting and breaking process only needs to be disassembled and assembled once to connect the anchor lifting winch with the closed cable joint. Compared with the traditional anchor lifting and dropping mode, the process of disassembling and assembling the anchor buoy is saved, and the workload is reduced by 50%.

1. The utility model has extremely strong adaptability, and can meet the configuration of anchor head cables with different water depths and different steel wire rope diameters; 2. the polyurethane material is matched, so that the dead weight is reduced, and the reserve buoyancy is improved;

3. the friction between the buoy and the deck is changed from conventional static friction to sliding friction, so that the resistance is reduced, the abrasion to the deck and the buoy main body of the ship is reduced, and the service life is prolonged;

4. the middle of the steel wire rope winding and unwinding device penetrates through the two ends of the round pipe to be provided with flange surfaces, closed cable joints with different sizes are suitable, a smooth transition mode is adopted, friction applied to the steel wire rope during winding and unwinding is reduced when the steel wire rope passes through the center of the anchor buoy, and the steel wire rope is prevented from being worn.

5. The bottom end of the buoy is designed to be protruded, so that the rope pressing is prevented from being knotted in the process of retracting and releasing the buoy main body;

6. the step of disassembling, installing and unbuckling is omitted, only an operator is required to salvage the floating cable of the anchor buoy and connect to the quick unhook, only one person is required to operate in the process of winding and unwinding, no large load tension exists, the safety is good, and the efficiency is high.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

fig. 2 is a schematic view of the structure of the connecting anchor according to the present utility model.

Reference numerals referred to in the drawings are: 1. a steel structural body; 2. a polyurethane body; 3. a bearing; 4 through holes; 5. a top flange; 6. a bottom flange; 7. an eye plate; 8. cross piles; 9. the first shackle is carried out; 10. a floating cable; 11. a wire rope; 12. the second shackle is carried out; 13. an anchor chain; 14. positioning anchors; 15. a closed cable joint.

Detailed Description

The following is a further detailed description of the embodiments:

as shown in fig. 1 to 2, a quick-acting anchor device comprises a steel structure main body 1, a polyurethane main body 2, a through hole 4, a top flange 5, a bottom flange 6, a shackle 9 and a floating cable 10;

wherein, the outer side wall of the steel structure main body 1 is provided with an eye plate 7, the eye plate 7 is provided with a shackle one 9, the shackle one 9 is connected with a floating cable 10, and the outer surface of the steel structure main body 1 is provided with a cross pile 8

Specifically, polyurethane main body 2 is symmetrically and movably installed at two ends of steel structure main body 1, through hole 4 perpendicular to the axis of steel structure main body 1 is formed in the middle of steel structure main body 1, and top flange 5 and bottom flange 6 are respectively screwed at two ends of through hole 4.

Specifically, the inner side of the polyurethane main body 2 is provided with a coaxial bearing 3, and the polyurethane main body 2 is rotationally connected with the steel structure main body 1 through the bearing 3.

Specifically, the closed cable joint 15 at the end part of the steel wire rope 11 can be removed from the steel structure main body through the through hole 4 after the top flange 5 and the bottom flange 6 are opened, so that the steel wire rope 11 with the corresponding length can be stored conveniently and changed according to different anchoring depths.

Specifically, the top flange 5 is connected with a steel wire rope 11 through a closed cable joint 15, the steel wire rope 11 is connected with one end of an anchor chain 13 through a shackle two 12, and the other end of the anchor chain 13 is connected with a positioning anchor 14 through the shackle two 12.

The embodiment also provides a quick anchor lifting and dropping method, which comprises the following steps:

s1, a top flange 5 of an anchor lifting device clamps a closed cable joint 15 at the end part of a steel wire rope 11 and floats on the water surface, the other end of the steel wire rope 11 is connected to an anchor lifting eye plate of a positioning anchor 14 through an anchor chain 13, and the end part of an anchor handle of the positioning anchor 14 is provided with a steel wire rope with a corresponding length to be connected with a positioned ship;

s2, when the ship is anchored, the floating cable 10 is fished up at the tail part of the auxiliary ship or the cross pile 8 is sleeved by a ferrule, and the anchor buoy, namely the anchoring device, is pulled to the tail part of the ship;

s3, quickly unhooking the floating cable 10 by using a cargo transferring winch, pulling an anchor buoy to the deck surface through a stern roller, fixing the anchor buoy at a proper position on the deck surface, connecting a pulling rope of the cargo transferring winch with a closed cable joint 15 of a steel wire rope 11, and recovering the steel wire rope 11 and a positioning anchor 14 until the positioning anchor 14 is pulled to the deck surface;

s4, when the anchor is broken down, the steel wire rope 11 is released by the anchor winch, the positioning anchor 14 slowly falls into the water by self weight, when the closed cable joint 15 is released to be close to the top sealing plate of the anchor buoy, the connection between the anchor winch and the closed cable joint 15 is released, the goods moving winch is slowly released, and when the anchor buoy moves to a proper position, the quick unhooking is released, and the anchor buoy falls into the water by self weight.

When the anchor is used, the closed cable joint 15 at the end part of the steel wire rope 11 is clamped through the top flange 5 of the anchor breaking device and floats on the water surface, the other end of the steel wire rope 11 is connected to the bottom of the positioning anchor 14 through the anchor chain 13, and the anchor buoy floats on the water surface, so that the anchor buoy is convenient.

The foregoing is merely exemplary of the present utility model, and the specific structures and features well known in the art are not described in any way herein, so that those skilled in the art will be able to ascertain all prior art in the field, and will not be able to ascertain any prior art to which this utility model pertains, without the general knowledge of the skilled person in the field, before the application date or the priority date, to practice the present utility model, with the ability of these skilled persons to perfect and practice this utility model, with the help of the teachings of this application, with some typical known structures or methods not being the obstacle to the practice of this application by those skilled in the art. It should be noted that modifications and improvements can be made by those skilled in the art without departing from the structure of the present utility model, and these should also be considered as the scope of the present utility model, which does not affect the effect of the implementation of the present utility model and the utility of the patent.

Claims

1. The utility model provides a quick play device of breaking down which characterized in that: the floating cable device comprises a steel structure main body (1), a polyurethane main body (2), a through hole (4), a top flange (5), a bottom flange (6), a shackle I (9) and a floating cable (10); the rolling polyurethane structure is characterized in that rolling polyurethane bodies (2) are symmetrically arranged at two ends of the steel structure body (1), through holes (4) perpendicular to the axis of the steel structure body are formed in the middle of the steel structure body (1), and a top flange (5) and a bottom flange (6) are respectively screwed at two ends of each through hole (4).

2. A quick-action anchor as claimed in claim 1, wherein: an eye plate (7) is arranged on the outer side wall of the steel structure main body (1), a shackle (9) is arranged on the eye plate (7), and the shackle (9) is connected with a floating cable (10).

3. A quick-action anchor as claimed in claim 2, wherein: and a cross pile (8) is arranged on the outer surface of the steel structure main body (1).

4. A quick-action anchor as claimed in claim 3 wherein: the inner side of the polyurethane main body (2) is provided with a coaxial bearing (3), and the polyurethane main body (2) is rotationally connected with the steel structure main body (1) through the bearing (3).

5. A quick acting anchor as claimed in claim 4 wherein: the top flange (5) is connected with a steel wire rope (11) through a closed cable joint (15), the steel wire rope (11) is connected with one end of an anchor chain (13) through a shackle two (12), and the other end of the anchor chain (13) is connected with a positioning anchor (14) through the shackle two (12).