阅读说明：本技术 一种软刚臂单点系泊连接装置及船舶 (Soft rigid arm single-point mooring connecting device and ship ) 是由 袁威 朱刚 董海防 尧白莲 王伟伟 张林春 李慧 于 2019-09-25 设计创作，主要内容包括：本发明公开了一种软刚臂单点系泊连接装置及船舶,涉及单点系泊技术领域,包括锚缆连接杆、至少两卡扣和筒形卡盘,锚缆连接杆一端用于与软刚臂连接,锚缆连接杆另一端连接一钢缆,卡扣一端转动设于锚缆连接杆中部,卡扣另一端与锚缆连接杆间设有一弹性件,筒形卡盘用于与系泊支架固定,筒形卡盘内设有锚缆连接杆和/或钢缆,筒形卡盘包括筒体、以及第一限位环和第二限位环,第一限位环和第二限位环均设有一供卡扣滑动的斜面,第二限位环靠近第一限位环的一侧用于与卡扣扣合,第一限位环上设有多个通孔,通孔内匹配设有一可沿其滑动的导向杆,第二限位环沿通孔轴向的投影与通孔部分重合；本发明能够实现单点系泊装置的快速解脱和回接作业。(The invention discloses a flexible rigid arm single-point mooring connecting device and a ship, and relates to the technical field of single-point mooring, the flexible rigid arm single-point mooring connecting device comprises an anchor cable connecting rod, at least two buckles and a cylindrical chuck, one end of the anchor cable connecting rod is used for being connected with a flexible rigid arm, the other end of the anchor cable connecting rod is connected with a steel cable, one end of each buckle is rotatably arranged in the middle of the anchor cable connecting rod, an elastic piece is arranged between the other end of each buckle and the anchor cable connecting rod, the cylindrical chuck is used for being fixed with a mooring bracket, the anchor cable connecting rod and/or the steel, the first limiting ring and the second limiting ring are both provided with an inclined plane for the buckle to slide, one side of the second limiting ring, which is close to the first limiting ring, is used for being buckled with the buckle, the first limiting ring is provided with a plurality of through holes, a guide rod capable of sliding along the through holes is arranged in the through holes in a matching manner, and the projection of the second limiting ring along the axial direction of the through holes is partially overlapped with the through holes; the invention can realize the quick release and tie-back operation of the single-point mooring device.)

1. A soft rigid arm single point mooring connection device is characterized by comprising:

one end of the anchor cable connecting rod (1) is used for being connected with the flexible rigid arm (4), and the other end of the anchor cable connecting rod (1) is connected with a steel cable (11);

one end of each buckle (2) is rotatably arranged in the middle of the anchor cable connecting rod (1), an elastic piece (21) is arranged between the other end of each buckle (2) and the anchor cable connecting rod (1), and the elastic pieces (21) are used for driving the buckles (2) to rotate;

the cylindrical chuck (3) is used for fixing a mooring support (6), the anchor cable connecting rod (1) and/or the steel cable (11) are arranged in the cylindrical chuck (3), the cylindrical chuck (3) comprises a cylinder body (31), a first limiting ring (32) and a second limiting ring (33) which are matched and arranged in the cylinder body (31), one side, close to the second limiting ring (33), of the first limiting ring (32) and one side, far away from the first limiting ring (32), of the second limiting ring (33) are both provided with an inclined plane for the sliding of the buckle (2), one side, close to the first limiting ring (32), of the second limiting ring (33) is used for being buckled with the buckle (2), a plurality of through holes (34) facing the second limiting ring (33) are formed in the first limiting ring (32), and a guide rod (35) capable of sliding along the through holes is arranged in the through holes (34) in a matched mode, the projection of the second limiting ring (33) along the axial direction of the through hole (34) is partially overlapped with the through hole (34).

2. The soft rigid arm single point mooring connection device of claim 1, wherein: the buckle (2) and the anchor cable connecting rod (1) are provided with guide keys (22), and two ends of the elastic part (21) are respectively sleeved on the guide keys (22).

3. The soft rigid arm single point mooring connection device of claim 1, wherein: one end, far away from the anchor cable connecting rod (1), of the buckle (2) extends outwards to form a circular arc-shaped buckling part (23), and the maximum diameter of the buckling part (23) is matched with the minimum inner diameter of the second limiting ring (33).

4. A soft rigid arm single point mooring connection as recited in claim 3, wherein: the through holes (34) are at least three, and the distance between every two adjacent through holes (34) is smaller than the distance between two sides of one end, far away from the anchor cable connecting rod (1), of the buckle (2).

5. The soft rigid arm single point mooring connection device of claim 1, wherein: one end of the cylinder body (31) far away from the first limiting ring (32) is provided with a conical guide ring (36) with gradually increased diameter.

6. The soft rigid arm single point mooring connection device of claim 1, wherein: the anchor cable connecting rod (1) is used for being equipped with spacing dish (12) with the one end that soft rigid arm (4) are connected, the diameter of spacing dish (12) with the internal diameter of barrel (31) matches.

7. The soft rigid arm single point mooring connection device of claim 1, wherein: one end of the anchor cable connecting rod (1) is connected with an anchor chain (13), and the anchor chain (13) is connected with the soft rigid arm (4) through a pin shaft.

8. The soft rigid arm single point mooring connection device of claim 1, wherein: the axis of the through hole (34) is parallel to the axis of the first limit ring (32), and the minimum inner diameter of the first limit ring (32) is smaller than the minimum inner diameter of the second limit ring (33).

9. The soft rigid arm single point mooring connection device of claim 1, wherein: the elastic piece (21) is a spring.

10. A ship provided with the soft rigid arm single point mooring connection device according to any one of claims 1 to 9, comprising:

a hull (5);

the mooring bracket (6) is arranged on the ship body (5), and the cylindrical chuck (3) is fixed on the mooring bracket (6);

the driving device is connected with one end, far away from the anchor cable connecting rod (1), of the steel cable (11) and used for winding and unwinding the steel cable (11).

Technical Field

The invention relates to the technical field of single-point mooring, in particular to a soft rigid arm single-point mooring connecting device and a ship.

Background

At present, the main mooring mode of the FPSO (Floating Production Storage and Offloading, offshore Floating Production Storage vessel) operating in the sea area adopts a soft rigid arm single-point mooring, the connection is as shown in fig. 10, a mooring bracket is welded and fixed on the FPSO deck, and a mooring leg connector is welded and connected with the mooring bracket; the mooring leg connector is connected with a cross universal joint at the upper part of the mooring leg through a pin shaft; the lower end of the mooring leg is connected with a lower cross universal joint through a flange bolt; the mooring leg consists of an upper cross universal joint and a mooring steel pipe; the lower cross universal joint is connected with the soft rigid arm through a pin shaft.

The conventional single-point mooring connection releasing and tieback operation process is complex, pulleys need to be installed in advance, mooring ropes need to be hung in a penetrating mode, auxiliary operation is carried out by means of anchor windlasses and other equipment configured on a platform, releasing or tieback operation is carried out in a bolt dismounting or mounting mode, and the time required by the whole process is long; and if the unexpected situations such as bolt blocking and the like occur in the operation process, safety accidents are easily caused.

Disclosure of Invention

Aiming at the defects in the prior art, the invention aims to provide a soft rigid arm single-point mooring connecting device and a ship, which can realize the quick release and tie-back operation of the single-point mooring device.

In order to achieve the above purposes, the technical scheme adopted by the invention is as follows:

in a first aspect, a soft rigid arm single point mooring connection device is provided, including:

one end of the anchor cable connecting rod is used for being connected with the flexible rigid arm, and the other end of the anchor cable connecting rod is connected with a steel cable;

one end of each buckle is rotatably arranged in the middle of the anchor cable connecting rod, and an elastic piece is arranged between the other end of each buckle and the anchor cable connecting rod and used for driving the buckles to rotate;

the cylindric chuck, the cylindric chuck is used for fixing with the mooring support, be equipped with in the cylindric chuck anchor rope connecting rod and/or steel cable, the cylindric chuck includes the barrel and all matches and locates first spacing ring and second spacing ring in the barrel, first spacing ring is close to one side of second spacing ring with the second spacing ring is kept away from one side of first spacing ring all is equipped with a confession the gliding inclined plane of buckle, the second spacing ring is close to one side of first spacing ring be used for with the buckle lock, be equipped with a plurality of orientations on the first spacing ring the through-hole of second spacing ring, it can follow its gliding guide bar to match in the through-hole, the second spacing ring is followed through-hole axial projection with the partial coincidence of through-hole.

On the basis of the technical scheme, the buckle and the anchor cable connecting rod are respectively provided with a guide key, and two ends of the elastic part are respectively sleeved on the guide keys.

On the basis of the technical scheme, one end, far away from the anchor cable connecting rod, of the buckle extends outwards to form a circular arc-shaped buckling part, and the maximum diameter of the buckling part is matched with the minimum inner diameter of the second limiting ring.

On the basis of the technical scheme, the number of the through holes is at least three, and the distance between every two adjacent through holes is smaller than the distance between the two sides of one end, away from the anchor cable connecting rod, of the buckle.

On the basis of the technical scheme, one end of the cylinder body, which is far away from the first limiting ring, is provided with a conical guide ring with a diameter gradually increased.

On the basis of the technical scheme, one end, used for being connected with the soft rigid arm, of the anchor cable connecting rod is provided with a limiting disc, and the diameter of the limiting disc is matched with the inner diameter of the cylinder.

On the basis of the technical scheme, one end of the anchor cable connecting rod is connected with an anchor chain, and the anchor chain is connected with the soft rigid arm through a pin shaft.

On the basis of the technical scheme, the axis of the through hole is parallel to the axis of the first limiting ring, and the minimum inner diameter of the first limiting ring is smaller than the minimum inner diameter of the second limiting ring.

On the basis of the technical scheme, the elastic piece is a spring.

In a second aspect, there is also provided a ship provided with the soft rigid arm single-point mooring connection device, including:

a hull;

the mooring bracket is arranged on the ship body, and the cylindrical chuck is fixed on the mooring bracket;

and the driving device is connected with one end, far away from the anchor cable connecting rod, of the steel cable and is used for retracting the steel cable.

Compared with the prior art, the invention has the advantages that:

according to the single-point mooring connecting device for the flexible rigid arm, the first limiting ring, the second limiting ring and the buckle are matched, so that the quick release and tie-back operation of the buckle can be realized, meanwhile, in the release state of the buckle, the flexible rigid arm can float on the water surface due to the paying-off operation of the steel cable, and at the moment, the connecting part of the anchor cable connecting rod and the flexible rigid arm is in a non-stressed state, so that the anchor cable connecting rod and the flexible rigid arm can be conveniently detached and separated.

Drawings

FIG. 1 is an exploded view of a component of a coupling device in an embodiment of the invention;

FIG. 2 is a half-sectional view of a cartridge chuck in an embodiment of the present invention;

FIG. 3 is a schematic structural view illustrating movement of the latch toward the second stop collar according to an embodiment of the present invention;

FIG. 4 is a schematic structural view illustrating the second limiting ring being engaged with the buckle according to the embodiment of the present invention;

FIG. 5 is a schematic view of a structure of the buckle fastened to the second limiting ring according to the embodiment of the present invention;

FIG. 6 is a schematic structural view illustrating movement of the latch away from the second stop collar according to an embodiment of the present invention;

FIG. 7 is a schematic structural view illustrating the first limiting ring being engaged with the buckle according to the embodiment of the present invention;

FIG. 8 is a schematic view illustrating a connection state of the connection device according to the embodiment of the present invention;

FIG. 9 is a schematic view of the coupling device in an embodiment of the present invention in a disengaged state;

fig. 10 is a schematic view of a conventional single point mooring apparatus.

In the figure: 1-anchor cable connecting rod, 11-steel cable, 12-limiting disc, 13-anchor chain, 2-buckle, 21-elastic piece, 22-guide key, 23-buckling part, 3-cylindrical chuck, 31-cylindrical body, 32-first limiting ring, 33-second limiting ring, 34-through hole, 35-guide rod, 36-conical guide ring, 4-soft rigid arm, 5-hull and 6-mooring bracket.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and examples.

Referring to fig. 1, 2 and 9, an embodiment of the invention provides a flexible rigid arm single-point mooring connection device, which includes an anchor cable connection rod 1, at least two buckles 2 and a cylindrical chuck 3, wherein one end of the anchor cable connection rod 1 is used for being connected with a flexible rigid arm 4, the other end of the anchor cable connection rod 1 is connected with a steel cable 11, the anchor cable connection rod 1 is connected with the steel cable 11 through a pin, one end of each buckle 2 is rotatably arranged in the middle of the anchor cable connection rod 1, an elastic member 21 is arranged between the other end of each buckle 2 and the anchor cable connection rod 1, preferably, the mooring member 21 is a spring, the elastic member 21 is used for driving the corresponding buckle 2 to rotate, the cylindrical chuck 3 is used for being fixed with a support 6, the cylindrical chuck 3 is internally provided with the anchor cable connection rod 1 and/or the steel cable 11, the cylindrical chuck 3 includes a cylinder 31, and a first limit ring 32 and a second limit ring 33 which are both matched and arranged in the cylinder 31, one side of the first limit ring 32 is close to the The slide structure of the fastener 2 comprises an inclined plane for the fastener 2 to slide, one side of the second limiting ring 33 close to the first limiting ring 32 is used for being fastened with the fastener 2, the first limiting ring 32 is provided with a plurality of through holes 34 facing the second limiting ring 33, preferably, the axis of the through holes 34 is parallel to the axis of the first limiting ring 32, the minimum inner diameter of the first limiting ring 32 is smaller than the minimum inner diameter of the second limiting ring 33, a guide rod 35 capable of sliding along the through holes is arranged in the through holes 34 in a matching mode, the axial projection of the second limiting ring 33 along the through holes 34 is partially overlapped with the through holes 34, one end of each through hole 34 is located on the inclined plane for the fastener 2 to slide of the first limiting ring 32, namely, the guide rod 35 can slide out of the through holes 34 and abut on the second limiting ring 33, and at the moment, one end part of the guide rod 35 abutting on the second limiting ring 33 is not located.

Referring to fig. 3 to 5, when the wire cable 11 is wound up, the anchor cable connecting rod 1 drives the buckle 2 to move along the inclined surface of the second limiting ring 33 toward the first limiting ring 32, the buckle 2 is gradually closed due to the inclined surface of the second limiting ring 33, when the clip 2 is about to slide out of the second stop collar 33 and between the first stop collar 32 and the second stop collar 33, because the guide rod 35 is not partially positioned on the second limit ring 33, when the buckle 2 continuously slides out along the inclined surface of the second limit ring 33, the buckle 2 will act on the part of the guide rod 35 not located on the second limit ring 33, pushing it to move along the channel 34 toward the first limit ring 32, the buckle 2 will move between the first limit ring 32 and the second limit ring 33, due to the buckling effect of the buckle 2 and one side of the second limiting ring 33 close to the first limiting ring 32, the buckle 2 can move towards the second limiting ring 33, and the single-point mooring device can be in a tie-back state;

referring to fig. 3 and 5 to 9, when the release state of the single point mooring apparatus needs to be realized, the wire rope 11 continues to take up the wire until the buckle 2 passes through the through hole 34, the guide rod 35 falls down and props against the second limit ring 33 due to the gravity, at this time, the wire rope 11 performs a wire releasing operation, the buckle 2 slides along the first limit ring 32 and then acts on the guide rod 35, the guide rod 35 slides along the guide rod 35, because the guide rod 35 is not partially positioned on the second limit ring 33, i.e. the guide rod 35 partially protrudes out of the second limit ring 33, the buckle 2 can directly slide on the inner wall of the second limit ring 33 or the inclined surface for sliding the buckle 2 along the guide rod 35, the wire rope 11 continues to release the wire, the anchor cable connecting rod 1 continues to be away from the first limit ring 32 until the flexible rigid arm 4 is positioned on the water surface, and the anchor cable connecting rod 1 is disconnected from the flexible rigid arm 4 by detaching the connection, the release operation of the single point mooring device can be completed.

Wherein, through the mating reaction of first spacing ring 32, second spacing ring 33 and buckle 2, can realize the quick disconnection and the tieback operation of buckle 2, the wire rope 11 is worn to hang in anchor rope connecting rod 1 upper end, can not produce the interference to single-point mooring device's normal operation, can reduce the disconnection and the tieback operation preparation time in advance from this, improves disconnection/tieback operating efficiency.

And under the traction of steel cable, under the effect of cylindric chuck inner wall guide structure, and first spacing ring 32, under the mating reaction of second spacing ring 33 and buckle 2, under buckle 2 is in the state of breaking away, the buckle can be along the free removal from top to bottom of 3 inner walls of cylindric chuck, when soft rigid arm 4 descends the waterline, soft rigid arm 4 can float on the surface of water, the junction of anchor rope connecting rod 1 and soft rigid arm 4 is in the non-stress state this moment, can be convenient for accomplish the dismantlement separation of anchor rope connecting rod 1 and soft rigid arm 4, consequently, demolish the operation and realize easily relatively.

Referring to fig. 1 to 7, buckle 2 and anchor cable connecting rod 1 all are equipped with guide key 22, and elastic component 21 both ends are respectively overlapped on locating guide key 22, through guide key 22's setting, can guarantee elastic component 21's position confirmation, guarantee promptly that elastic component 21 acts on the back many times, it still is located former mounted position, and then can guarantee that this elastic component 21's effect direction can not appear the deviation.

The buckle 2 is far away from one end of the anchor cable connecting rod 1 and extends outwards to form a circular arc-shaped buckling part 23, the maximum diameter of the buckling part 23 is matched with the minimum inner diameter of the second limiting ring 33, and when the buckle 2 passes through the second limiting ring 33, the buckle 2 is matched with the circular arc on the second limiting ring 33 where the buckle is located, so that the situation that a gap exists between the buckle 2 and the second limiting ring 33 due to non-matching, and the situation that part of the buckle 2 cannot act on the protruded guide rod 35 is avoided, and then the back connection fixing operation of the single-point mooring device cannot be completed.

The through holes 34 are at least three, the distance between the adjacent through holes 34 is smaller than the distance between two sides of one end, far away from the anchor cable connecting rod 1, of the buckle 2, after the anchor cable connecting rod 1 rotates, when the buckle 2 moves towards the first limiting part 32 through the second limiting part 33, the buckle 2 still can act on at least one guide rod 35, and the releasing and the returning operation of the buckle 2 in the cylindrical chuck 3 can be guaranteed.

One end of the cylinder 31, which is far away from the first limit ring 32, is provided with a tapered guide ring 36 with a diameter gradually increased, and the anchor cable connecting rod 1 and the buckle 2 can be ensured to smoothly enter the cylindrical chuck 3 under the action of the tapered guide ring 36, so that the use safety performance of the connecting device is improved.

The one end that anchor rope connecting rod 1 is used for being connected with soft rigid arm 4 is equipped with spacing dish 12, and the diameter of spacing dish 12 matches with the internal diameter of barrel 31, and spacing dish 12 can be laminated with cylindric chuck inner wall, and the centering performance of structure spare is good when guaranteeing that 1 lower extreme of anchor rope connecting rod receives the side direction mooring power effect, and can guarantee the stability of anchor rope connecting rod 1 when removing in cylindric chuck 3.

An anchor chain 13 is connected to anchor rope connecting rod 1 one end, and anchor chain 13 passes through the round pin hub connection with soft rigid arm 4, and when soft rigid arm 4 floated on the surface of water, owing to be through the round pin hub connection, and the round pin axle does not receive the effort influence, can convenient and fast's completion anchor chain 13 and soft rigid arm 4 dismantlement.

Referring to fig. 1, 8 and 9, an embodiment of the present invention further provides a ship provided with the above soft rigid arm single point mooring connection device, including a hull 5, a mooring bracket 6 and a driving device, wherein the mooring bracket 6 is disposed on the hull 5, the cylindrical chuck 3 is fixed on the mooring bracket 6, and the driving device is connected with one end of the steel cable 11 away from the anchor cable connection rod 1 and is used for retracting the steel cable 11.

The present invention is not limited to the above-described embodiments, and it will be apparent to those skilled in the art that various modifications and improvements can be made without departing from the principle of the present invention, and such modifications and improvements are also considered to be within the scope of the present invention. Those not described in detail in this specification are within the skill of the art.