CN116873111B - Quick connector, mooring system and mooring method thereof - Google Patents
Quick connector, mooring system and mooring method thereof Download PDFInfo
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- CN116873111B CN116873111B CN202311027451.XA CN202311027451A CN116873111B CN 116873111 B CN116873111 B CN 116873111B CN 202311027451 A CN202311027451 A CN 202311027451A CN 116873111 B CN116873111 B CN 116873111B
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- 238000000034 method Methods 0.000 title claims abstract description 22
- 238000009434 installation Methods 0.000 claims abstract description 23
- 238000012423 maintenance Methods 0.000 claims abstract description 14
- 238000005096 rolling process Methods 0.000 claims abstract description 11
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 7
- 238000004804 winding Methods 0.000 claims description 6
- 230000035515 penetration Effects 0.000 claims description 3
- 238000010030 laminating Methods 0.000 claims description 2
- 238000004873 anchoring Methods 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 3
- 238000000926 separation method Methods 0.000 description 3
- 206010063385 Intellectualisation Diseases 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
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- 239000012209 synthetic fiber Substances 0.000 description 1
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING
- B63B21/00—Tying-up; Shifting, towing, or pushing equipment; Anchoring
- B63B21/20—Adaptations of chains, ropes, hawsers, or the like, or of parts thereof
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING
- B63B21/00—Tying-up; Shifting, towing, or pushing equipment; Anchoring
- B63B21/50—Anchoring arrangements or methods for special vessels, e.g. for floating drilling platforms or dredgers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING
- B63B21/00—Tying-up; Shifting, towing, or pushing equipment; Anchoring
- B63B2021/003—Mooring or anchoring equipment, not otherwise provided for
- B63B2021/004—Quick release elements in mooring connections
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING
- B63B21/00—Tying-up; Shifting, towing, or pushing equipment; Anchoring
- B63B21/20—Adaptations of chains, ropes, hawsers, or the like, or of parts thereof
- B63B2021/203—Mooring cables or ropes, hawsers, or the like; Adaptations thereof
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING
- B63B21/00—Tying-up; Shifting, towing, or pushing equipment; Anchoring
- B63B21/50—Anchoring arrangements or methods for special vessels, e.g. for floating drilling platforms or dredgers
- B63B2021/505—Methods for installation or mooring of floating offshore platforms on site
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- Ocean & Marine Engineering (AREA)
- Earth Drilling (AREA)
Abstract
The invention discloses a quick connector, a mooring system and a mooring method thereof, belonging to the technical field of mooring of floating structures. The mooring system comprises a mounting ship, an underwater tensioner, a fixed anchor, a first anchor chain, a second anchor chain and a quick connector, wherein the mounting ship is provided with rolling equipment and an underwater operation robot, and the connecting sleeve is fixed on the fixed anchor. The mooring method comprises the following steps: s1, fixedly anchoring the anchor to the seabed; s2, the lower tensioner is put down, the plug sleeve is inserted into the connecting sleeve, the second anchor chain is rolled up, and the first anchor chain is tensioned; and S3, binding a second buoy on the second anchor chain to finish mooring. The maintenance does not need to dismantle the connection of the anchor chain and the underwater tensioner, and the installation does not need to readjust the tensioning degree of the anchor chain.
Description
Technical Field
The invention relates to the technical field of mooring of floating structures, in particular to a quick connector, a mooring system and a mooring method thereof.
Background
With the development and utilization of ocean resources, the wind power industry is brought into new development opportunities by the energy revolution, and the development of deep open sea wind is a trend of the future sea wind industry. Wherein the offshore floating wind turbine (FOWT) is the key to the wind power system. The floating foundation structure is a foundation structure of an offshore floating fan for floating on the sea surface, is mainly used for deep sea areas with water depth of more than 50m, and mostly adopts a common structural form in the marine oil and gas industry, and the installation water depth can reach more than 1000 m.
The prior safe stay of the floating foundation structure mainly adopts a multipoint mooring system, and mooring can be completed after an anchor chain is connected with an anchor through a tensioner and is tensioned. As disclosed in fig. 2 to 3, the patent number of which is "201921142316.9", the mooring method disclosed in the patent name of "underwater tensioner" is that firstly, the installation vessel is installed to reach a designated sea area, the anchor and the lower end anchor chain are installed and connected, the first buoy is tied to the top end of the lower end anchor chain, the anchor is fixed at a preset seabed, then after the floating foundation structure is in place, the installation vessel connects the second anchor chain placed on the installation vessel with the floating foundation structure, the installation vessel is far away from the floating foundation structure, the lower end anchor chain is connected with the first eyelet on the underwater tensioner carried on the installation vessel after the first buoy is found, the second anchor chain passes through the second eyelet of the underwater tensioner and the grooved pulley and then is connected with the winch on the installation vessel, then the underwater tensioner is put into the sea again, and the underwater working robot carried on the installation vessel is arranged below, the second anchor chain is unlocked through the chain locking device, so that the second anchor chain can freely move, the winch on the installation vessel is tightened, after the second anchor chain upper tension reaches a preset value, the second anchor chain is locked, the second anchor chain is prevented from moving, the mooring cable is finally, the second anchor chain is kept at a preset value, the second anchor chain tension is kept, the second cable tension is kept, and the second cable is convenient to be adjusted in length in the future, and the underwater working robot is carried on the second cable. In general, the floating foundation structure needs to be towed back to the wharf for maintenance when being used for a certain year, under the mooring mode of the patent, the floating foundation needs to be towed away after the anchor chain is separated from the underwater tensioner, and the anchor chain and the underwater tensioner need to be re-tensioned after being re-connected during re-installation, so that the tensioning process is complex, and the whole maintenance process is complex.
Disclosure of Invention
The invention aims to solve the technical problems and provide a quick connector, a mooring system and a mooring method thereof, through which quick connection and disconnection of two connectors can be realized, so that the quick connector is applied to connection and disconnection of an anchor chain and a fixed anchor, connection of the anchor chain and an underwater tensioner is not required to be removed during maintenance, and the tensioning degree of the anchor chain is not required to be readjusted during reinstallation.
In order to achieve the above object, the present invention provides the following solutions: the invention discloses a quick connector which comprises an inserting sleeve and a connecting sleeve for the inserting sleeve to be inserted, wherein a sliding connecting rod capable of sliding along the axis of the inserting sleeve is connected in the inserting sleeve in a sliding manner, one end of the sliding connecting rod is connected with the inserting sleeve through a reset pressure spring, the other end of the sliding connecting rod is connected with a traction piece, the rod wall of the sliding connecting rod is attached to the inner wall of the inserting sleeve, a slope groove symmetrically arranged along the axis of the sliding connecting rod is formed in the rod wall, balls are arranged in the slope groove, the diameter of each ball is matched with the groove width of the slope groove, the groove depth of the slope bottom end of the slope groove is larger than the diameter of each ball, the slope top end of the slope groove faces towards the reset pressure spring, a ball clamping hole for exposing the balls is formed in the wall of the inserting sleeve, the diameter of each ball clamping hole is smaller than the diameter of each ball, the ball clamping hole is located on a moving path of each ball, and the diameter of the inner wall of the connecting sleeve is matched with the outer diameter of the inserting sleeve.
Preferably, the plug sleeve is provided with a guide chute extending along the axis thereof, the rod wall is provided with guide sliding strips symmetrically arranged along the axis of the sliding connecting rod, and the guide sliding strips are in sliding connection in the guide chute.
Preferably, a traction hole is formed at one end of the sliding connecting rod connected with the traction piece.
Preferably, the plug sleeve is far away from the first limiting disc is arranged at one end of the connecting sleeve, the diameter of the first limiting disc is larger than that of the connecting sleeve, the second limiting disc is arranged at one end of the sliding connecting rod, which is provided with a traction hole, and the diameter of the second limiting disc is larger than that of the plug sleeve.
The utility model also discloses a mooring system, including installation ship, underwater tensioning ware, be used for fixing anchor and quick-operation joint at the seabed, be equipped with rolling equipment and underwater operation robot on the installation ship, connecting sleeve fixed connection is in on the anchor, be equipped with the go-between that is used for the ligature first buoy on the anchor, the traction element is first anchor chain, underwater tensioning ware includes external frame and second anchor chain, the one end of external frame is equipped with first eyelet and grooved pulley, the other end of external frame is equipped with second eyelet and is used for the locking the end chain device of second anchor chain, the one end of first anchor chain connect in on the first eyelet, the other end of first anchor chain with slide connection's connection, the second anchor chain passes the second eyelet turns to under the guide of grooved pulley, the one end of second floating anchor chain is connected with marine fan fixed connection, the other end of second anchor chain be used for with rolling equipment or second buoy are connected.
Preferably, the underwater operation robot on the installation vessel is pulled by a pulling rope.
Preferably, the fixed anchor is a suction anchor, a drag through anchor, a normal load bearing anchor or a power penetration anchor.
Preferably, a traction hole is formed in one end, connected with the first anchor chain, of the sliding connecting rod, and two ends of the first anchor chain are connected with the traction hole and the first eyelet through shackles respectively.
The invention also discloses a mooring method, which adopts the mooring system and comprises the following steps:
s1, before an offshore floating fan is in place, a mounting ship is opened to the vicinity of a preset position of a fixed anchor, a first buoy is bound on a connecting ring of the fixed anchor, the fixed anchor is fixed at the preset position of the seabed, and a connecting sleeve is vertically arranged;
s2, after the offshore floating fan is in place, the rolling equipment slowly releases the second anchor chain, so that the underwater tensioner is slowly immersed in water, the underwater operation robot inserts the plug sleeve into the connecting sleeve, the rolling equipment rolls the second anchor chain, tightens the first anchor chain, pulls up the sliding connecting rod, enables the balls to be clamped into ball clamping holes and pressed on the inner wall of the connecting sleeve, and completes locking of the plug sleeve and the connecting sleeve;
and S3, connecting the winding equipment and the second anchor chain is released, and a second buoy is bound on the second anchor chain to complete mooring.
Preferably, when the offshore floating fan needs to be returned to the wharf for maintenance, the installation ship is driven to the vicinity of the position of the first buoy, the position of the fixed anchor is found by the underwater operation robot, the sliding connecting rod is pushed downwards, when the plug sleeve moves downwards along with the sliding connecting rod and moves to the bottom of the connecting sleeve, the sliding connecting rod then pushes the reset pressure spring to move downwards, the reset pressure spring is extruded by the sliding connecting rod until the first limit disc is attached to the second limit disc, at the moment, the ball moves to the position of the slope bottom end of the slope groove, the ball is not exposed out of the ball clamping hole on the plug sleeve, the plug sleeve and the sliding connecting rod simultaneously move outwards, mooring release is completed, and the offshore floating fan is brought back to the wharf for maintenance.
Compared with the prior art, the invention has the following technical effects:
1. in the quick connector, a sliding connecting rod is connected with a traction piece of a first connector, a connecting sleeve is connected with a second connector, an inserting sleeve is inserted into the connecting sleeve, the sliding connecting rod is pulled back by the traction piece, a slope groove on the sliding connecting rod pushes a ball to fall into a ball clamping hole completely, the sliding connecting rod is tensioned, the ball can press the inner wall of the connecting sleeve to realize connection, the inserting sleeve cannot be released before the traction of the traction piece is removed, and the connection of the two connectors is realized; when two connectors are required to be disassembled, the plug sleeve is pushed into the connecting sleeve, when the plug sleeve moves downwards to the bottom of the connecting sleeve along with the sliding connecting rod, the sliding connecting rod then pushes the reset pressure spring to move downwards, and finally the ball moves to the position of the slope bottom end of the slope groove, and the ball is not meshed with the ball clamping hole of the plug sleeve, so that the plug sleeve and the sliding connecting rod simultaneously move outwards, and the two connectors can be released; the traction piece of the quick connector is replaced by the anchor chain, the connecting sleeve is fixed on the fixed anchor, the fan floating foundation is brought back to the wharf for maintenance, the anchor chain is not required to be separated and connected with the underwater tensioner, the plug sleeve is only required to be separated and connected with the connecting sleeve, namely, the anchor chain is not required to be separated and connected with the fixed anchor, the tensioning degree of the underwater tensioner is not required to be adjusted, the operation steps are reduced, the cost is saved, and the subsequent installation is also only required to be realized by reconnecting the connecting device with the anchor, so that the labor intensity of installers is reduced.
2. In the mooring system, the installation ship, the underwater operation robot, the winding equipment and the like are mutually matched, so that automatic connection and separation of the quick connector can be realized, automation and intellectualization are realized, and labor cost is saved.
3. In the mooring method, the connection and the separation of the offshore floating fan and the fixed anchor can be realized only by the connection and the separation of the quick connector, and the underwater tensioner and the anchor chain are not required to be separated, so that the tightness of the underwater tensioner is not required to be regulated again, the operation steps are reduced, the cost is saved, and the labor intensity of installers is reduced.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions of the prior art, the drawings that are needed in the embodiments will be briefly described below, it being obvious that the drawings in the following description are only some embodiments of the present invention, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic view of the internal structure of a quick connector in an unlocked state;
FIG. 2 is a schematic view of the internal structure of the quick connector during locking or unlocking;
FIG. 3 is a schematic view of the internal structure of the quick connector in a locked state;
FIG. 4 is a schematic cross-sectional view of a quick connector;
FIG. 5 is a schematic diagram of an initial mooring phase using a mooring system;
FIG. 6 is a schematic diagram of a mooring process using a mooring system;
fig. 7 is a schematic diagram of a mooring process using a mooring system.
Reference numerals illustrate: 1. a plug sleeve; 2. a connecting sleeve; 3. a sliding connecting rod; 4. resetting a pressure spring; 5. a sloping slot; 6. a ball; 7. ball clamping holes; 8. a first limit plate; 9. the second limiting disc; 10. a traction hole; 11. a guide chute; 12. a guide slide; 13. installing a ship; 14. an underwater tensioner; 15. fixing anchors; 16. winding equipment; 17. a first buoy; 18. a first anchor chain; 19. a second anchor chain; 20. a grooved pulley; 21. a chain stopper; 22. a first eyelet; 23. a second eyelet; 24. a traction rope; 25. an underwater operation robot; 26. a cable; 27. an offshore floating fan; 28. and a second buoy.
Detailed Description
The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is apparent that the described embodiments are only one unit embodiment of the present invention, not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Example 1
The present embodiment provides a quick connector, as shown in fig. 1 to 7, comprising a plug sleeve 1 and a connection sleeve 2, the connection sleeve 2 being inserted by the plug sleeve 1. The plug sleeve 1 is connected with the sliding connecting rod 3 in a sliding way, the sliding connecting rod 3 can only slide along the axis of the plug sleeve 1, and relative rotation between the plug sleeve 1 and the sliding connecting rod 3 can not occur. The connecting sleeve 2 is internally provided with a reset pressure spring 4, one end of the reset pressure spring 4 is fixedly connected with the connecting sleeve 2, the other end of the reset pressure spring 4 is fixedly connected with one end of the sliding connecting rod 3, the other end of the sliding connecting rod 3 is connected with a traction piece, and the traction piece can be various traction mechanisms such as an anchor chain, a rope and the like and is mainly used for pulling the sliding connecting rod 3. Preferably, one end of the connecting sleeve 2 is closed, one end is open, the end of the reset pressure spring 4 is fixedly connected to the closed end, and one end of the sliding connecting rod 3 connected with the traction piece extends out of the connecting sleeve 2 through the open end. The wall of the sliding connecting rod 3 is attached to the inner wall of the plug sleeve 1, the wall of the sliding connecting rod 3 is provided with slope grooves 5 symmetrically arranged along the axis of the sliding connecting rod 3, that is, the wall of the sliding connecting rod 3 is at least provided with a pair of symmetrically arranged slope grooves 5, and of course, in order to improve the locking strength of the sliding connecting rod 3 and the connecting sleeve 2, a plurality of pairs of slope grooves 5 can be arranged, and a plurality of pairs of slope grooves 5 are arranged along the axis direction of the sliding connecting rod 3. Each sloping slot 5 is internally provided with a ball 6, the diameter of the ball 6 is matched with the slot width of the sloping slot 5, so that the ball 6 can only slide along the direction of the sloping top and the sloping bottom of the sloping slot 5 and cannot deviate, and meanwhile, the slot depth of the sloping bottom of the sloping slot 5 is larger than the diameter of the ball 6, so that the ball 6 can be completely hidden in the sloping bottom of the sloping slot 5. The top of the slope groove 5 faces to the reset pressure spring 4, and the bottom of the slope groove 5 faces to the end of the sliding connecting rod 3 connected with the traction piece, so that the ball 6 can only move along the axis direction of the sliding connecting rod 3. The wall of the plug sleeve 1 is provided with a ball clamping hole 7 for exposing the ball 6, and the diameter of the ball clamping hole 7 is smaller than that of the ball 6 so as to prevent the ball 6 from being separated from the sloping groove 5 from the ball clamping hole 7. The ball clamping hole 7 is located on the moving path of the ball 6, and along with the movement of the sliding connecting rod 3 in the plug sleeve 1, the ball 6 moves along with the sliding connecting rod 3, and then the ball 6 can be clamped into or separated from the ball clamping hole 7. The diameter of the inner wall of the connecting sleeve 2 is matched with the outer diameter of the plug sleeve 1 so as to ensure that the balls 6 can be tightly attached to the connecting sleeve 2 when being clamped into the ball clamping holes 7.
The working principle of the quick connector is as follows:
the connection process comprises the following steps: firstly, fixedly connecting the sliding connecting rod 3 with the traction piece to realize the fixed connection with the first connecting object; then, fixedly connecting the connecting sleeve 2 to the second connector; then, insert socket 1 in the connecting sleeve 2, pull sliding connecting rod 3 through the traction element towards the direction of keeping away from connecting sleeve 2, the slope top in sloping slot 5 promotes ball 6, ball 6 is pushed into ball draw-in hole 7 and with connecting sleeve 2's inner wall laminating, along with the traction element's traction, the slope top in sloping slot 5 can deepen the extrusion to ball 6, the frictional force between ball 6 and the connecting sleeve 2 gradually improves, finally the traction element reaches the tension of predetermineeing, accomplish the connection of socket 1 and connecting sleeve 2, realize the connection of first connector and second connector, before the tension of removing the traction element, it is unable to release socket 1 to be connected, first connector and second connector also unable to disengage.
The disengagement process comprises the following steps:
the tension of the traction piece is released, then the sliding connecting rod 3 is pushed towards the connecting sleeve 2, the slope groove 5 gradually loses the pressing force on the balls 6, the balls 6 can completely submerge into the slope groove 5 along with the balls 6 falling into the slope bottom of the slope groove 5, at the moment, the balls 6 are not extruding the connecting sleeve 2, the plug sleeve 1 is pulled out, the plug sleeve 1 is separated from the connecting sleeve 2, and the first connector and the second connector are separated.
The connecting sleeve 2 is fixedly connected to the fixed anchor 15, the traction piece of the sliding connecting rod 3 is replaced by an anchor chain connected with the underwater tensioner 14, so that the anchor chain and the fixed anchor 15 can be quickly connected and disconnected without connecting and unlocking the underwater tensioner 14 and the anchor chain, the offshore floating fan 27 and the fixed anchor 15 are connected and disconnected, and then the underwater tensioner 14 is not required to be adjusted again, so that the connecting step is saved, and the connecting efficiency is improved.
In this embodiment, as shown in fig. 1 to 7, a guiding chute 11 extending along the axis of the plugging sleeve 1 is provided on the plugging sleeve 1, guiding slides 12 symmetrically arranged along the axis of the sliding rod 3 are provided on the wall of the sliding rod 3, the guiding slides 12 are slidably connected in the guiding chute 11, and the guiding chute 11 and the guiding slides 12 are provided, so that the relative rotation between the plugging sleeve 1 and the sliding rod 3 can be avoided, and the balls 6 are offset in the moving process and cannot roll into the ball clamping holes 7.
Further, in this embodiment, as shown in fig. 1 to 7, a traction hole 10 is provided at the end of the sliding link 3 connected to the traction member, and the traction hole 10 can facilitate connection of the traction member.
Further, in this embodiment, as shown in fig. 1 to 7, a first limiting disc 8 is disposed at one end of the plug sleeve 1 away from the connecting sleeve 2, where the diameter of the first limiting disc 8 is greater than that of the connecting sleeve 2, so as to play a limiting role and prevent the plug sleeve 1 from falling from the opening of the connecting sleeve 2. The end of the sliding connecting rod 3 provided with the traction hole 10 is provided with a second limiting disc 9, the diameter of the second limiting disc 9 is larger than that of the plug sleeve 1, and the diameters of the second limiting disc 9 and the first limiting disc 8 can be the same as preferred. The position where the second limiting disc 9 is arranged can be set so that when the second limiting disc 9 is attached to the first limiting disc 8, the slope bottom end of the right slope groove 5 corresponds to the ball clamping hole 7, and therefore the right balls 6 enter the slope bottom end of the slope groove 5, and the balls 6 can be completely separated from the ball clamping hole 7.
Example 2
This embodiment provides a mooring system comprising a mounting vessel 13, a subsea tensioner 14, a tie-down anchor 15 and the quick connector of embodiment 1, as shown in fig. 1 to 7. Wherein the installation vessel 13 is provided with a reeling device 16, such as a winch or a hoist or the like. The anchor 15 is intended to be fixed to the sea floor, and the connecting sleeve 2 is fixedly connected to the anchor 15, preferably to one side of the anchor 15. The anchor 15 is provided with a connecting ring (not shown) for binding the first buoy 17. The traction member is a first anchor chain 18, and the first anchor chain 18 needs to be fixedly connected with the sliding connecting rod 3 in advance. The underwater tensioner 14 comprises an outer frame provided with a grooved pulley 20 and a first eyelet 22 at one end and a chain stopper 21 and a second eyelet 23 at the other end, the chain stopper 21 being used for locking the second anchor chain 19. One end of the first anchor chain 18 is connected to the first eyelet 22, and the other end of the first anchor chain 18 is connected to the sliding link 3, and if the sliding link 3 is provided with the traction hole 10, the first anchor chain 18 is connected to the traction hole 10. The second anchor chain 19 is turned through the second eyelet 23 guided by the grooved pulley 20, one end of the second anchor chain 19 being fixedly connected to the offshore floating wind turbine 27, and the other end of the second anchor chain 19 being adapted to be connected to the reeling device 16 or the second buoy 28. The two ends of the first anchor chain 18 may be connected to the pulling eye 10, the first eyelet 22, respectively, by means of shackles.
The mooring system works on the principle:
mooring process: firstly, before the offshore floating fan 27 is in place, the installation vessel 13 is opened to the vicinity of the preset position of the fixed anchor 15, the first buoy 17 is bound on the connecting ring of the fixed anchor 15 through the cable 26, and the underwater operation robot 25 fixes the fixed anchor 15 at the preset position of the seabed, so that the connecting sleeve 2 needs to be vertically arranged; then, the underwater operation robot 25 is submerged under the water, after the offshore floating fan 27 is in place, one end of the second anchor chain 19 is fixedly connected with the floating foundation structure of the offshore floating fan 27, the underwater tensioner 14 is slowly released into the water, and the plug-in sleeve 1 is inserted into the connecting sleeve 2; then, the locking device 21 releases the locking of the second anchor chain 19, the rolling device 16 rolls the second anchor chain 19 to tension the first anchor chain 18, the sliding connecting rod 3 is pulled upwards, the ball 6 is pressed into the ball clamping hole 7 by the slope top end of the slope groove 5, and the inner wall of the connecting sleeve 2 is pressed, so that the connection between the first anchor chain 18 and the fixed anchor 15 is completed; finally, the binding of the winding device 16 and the second anchor chain 19 is released, and the second buoy 28 is bound on the second anchor chain 19 through the cable 26, so that the mooring of the offshore floating type fan 27 is completed. The cable 26 may be made of synthetic fibers.
The maintenance process comprises the following steps: first, the installation vessel 13 is opened to the vicinity of the first buoy 17, the underwater operation robot 25 is submerged, and the position of the anchor 15 is found; then, the sliding connecting rod 3 is pushed downwards, when the plug sleeve 1 moves downwards to the bottom of the connecting sleeve 2 along with the sliding connecting rod 3, the sliding connecting rod 3 then pushes the reset pressure spring 4 to move downwards, the reset pressure spring 4 is extruded by the sliding connecting rod 3, at the moment, the balls 6 move to the position of the slope bottom end of the slope groove 5, and the balls 6 are no longer exposed with the ball clamping holes 7 on the plug sleeve 1; then, the plugging sleeve 1 and the sliding connecting rod 3 are simultaneously moved outwards to finish mooring release; finally, the offshore floating wind turbine 27 is brought back to the quay for maintenance.
In the present embodiment, as shown in fig. 1 to 7, the underwater working robot 25 on the mounting boat 13 is pulled by the pulling rope 24.
In this embodiment, as shown in fig. 1 to 7, the anchor 15 is a suction anchor, a drag through anchor, a normal force bearing anchor, or a power penetration anchor.
In this embodiment, as shown in fig. 1 to 7, the chain stopper 21 includes a chain stopper arm, a return spring, an operating arm, a first fixing pin and a second fixing pin, the first fixing pin and the second fixing pin are disposed on the outer frame on the side of the chain guide hole at intervals, and a gap formed between the first fixing pin and the second fixing pin is for the second anchor chain 19 to pass through; the chain stopping arm is arranged on the outer frame through a pin shaft, and a return spring which is twisted anticlockwise is arranged on the pin shaft, so that the chain stopping arm is propped against the first fixing pin and the second fixing pin in a normal state, and the second anchor chain 19 is locked; the pin shaft is provided with an operation arm for controlling the steering on the chain stopping arm, so that the chain stopping arm is far away from the first fixing pin and the second fixing pin after the operation arm rotates, and the second anchor chain 19 is loosened.
Example 3
The present embodiment provides a mooring method, using the mooring system of embodiment 2, comprising the steps of:
s1, before an offshore floating fan 27 is in place, a mounting ship 13 is opened to the vicinity of a preset position of a fixed anchor 15, a first buoy 17 is bound on a connecting ring of the fixed anchor 15, the fixed anchor 15 is fixed at the preset position of the seabed, and a connecting sleeve 2 is vertically arranged;
s2, after the offshore floating fan 27 is in place, the rolling device 16 slowly releases the second anchor chain 19 to enable the underwater tensioner 14 to be immersed in water slowly, the underwater operation robot 25 inserts the plug sleeve 1 into the connecting sleeve 2, the rolling device 16 rolls the second anchor chain 19 to tension the first anchor chain 18, the sliding connecting rod 3 is pulled upwards to enable the ball 6 to be clamped into the ball clamping hole 7, the ball 6 is pressed on the inner wall of the connecting sleeve 2, and locking of the plug sleeve 1 and the connecting sleeve 2 is completed;
and S3, the connection between the winding device 16 and the second anchor chain 19 is released, and the second buoy 28 is bound on the second anchor chain 19, so that the second buoy is convenient to find in later maintenance and complete mooring.
In this embodiment, as shown in fig. 1 to 7, when the offshore floating fan 27 needs to return to the dock for maintenance, the installation vessel 13 is opened to the vicinity of the position of the first buoy 17, the underwater operation robot 25 finds the position of the fixed anchor 15, the sliding connecting rod 3 is pushed downwards, when the plugging sleeve 1 moves downwards along with the sliding connecting rod 3, the sliding connecting rod 3 pushes the reset pressure spring 4 to move downwards, the reset pressure spring 4 is extruded by the sliding connecting rod 3 until the first limit disc 8 is attached to the second limit disc 9, at this time, the balls 6 move to the position of the slope bottom end of the slope groove 5, the balls 6 are not exposed with the ball clamping holes 7 on the plugging sleeve 1, the plugging sleeve 1 and the sliding connecting rod 3 move outwards at the same time, mooring release is completed, and the offshore floating fan 27 is brought back to the dock for maintenance.
The principles and embodiments of the present invention have been described in detail with reference to specific examples, which are provided to facilitate understanding of the method and core ideas of the present invention; also, it is within the scope of the present invention to be modified by those of ordinary skill in the art in light of the present teachings. In view of the foregoing, this description should not be construed as limiting the invention.
Claims (8)
1. The utility model provides a quick-operation joint, its characterized in that includes grafting sleeve and confession grafting sleeve male connecting sleeve, sliding connection has only to follow its axis gliding sliding connection pole in the grafting sleeve, sliding connection pole one end pass through reset pressure spring with grafting sleeve connection, sliding connection pole other end and traction element are connected, sliding connection pole wall with grafting sleeve's inner wall laminating, be equipped with on the pole wall along sliding connection pole axis symmetrical arrangement's sloping slot, be equipped with the ball in the sloping slot, the diameter of ball with the groove width assorted in sloping slot, the groove depth of the slope bottom of sloping slot is greater than the diameter of ball, the slope top of sloping slot orientation reset pressure spring, be equipped with on the wall of grafting sleeve and supply the ball draw-in hole diameter is less than the ball diameter, the ball draw-in hole is located on the moving path of ball, connecting sleeve's inner wall diameter with grafting sleeve's external diameter phase-match, sliding connection pole and traction element are equipped with the groove's the groove width assorted, the slope bottom of sloping slot is greater than the diameter of ball is greater than the diameter of slope bottom the slope groove is greater than the diameter of ball, be equipped with the diameter of a slope of slope bottom the slope groove is equipped with the diameter of one end of the connecting sleeve and is equipped with the diameter of a limit stop sleeve, the diameter of the first end is equipped with the diameter of a limit stop sleeve.
2. A quick connector according to claim 1, wherein the plug sleeve is provided with a guide chute extending along the axis thereof, the wall of the rod is provided with guide slides symmetrically arranged along the axis of the sliding connecting rod, and the guide slides are slidably connected in the guide chute.
3. A mooring system comprising a mounting vessel, an underwater tensioner, a fixed anchor for fixing to the sea floor and a quick connector according to claim 1 or 2, wherein the mounting vessel is provided with a rolling device and an underwater working robot, the connecting sleeve is fixedly connected to the fixed anchor, the fixed anchor is provided with a connecting ring for binding a first buoy, the traction element is a first anchor chain, the underwater tensioner comprises an outer frame and a second anchor chain, one end of the outer frame is provided with a first eyelet and a grooved pulley, the other end of the outer frame is provided with a second eyelet and a chain stopping device for locking the second anchor chain, one end of the first anchor chain is connected to the first eyelet, the other end of the first anchor chain is connected with the other end of the sliding link, the second anchor chain passes through the second eyelet and turns under the guidance of the grooved pulley, one end of the second anchor chain is fixedly connected with a marine floating fan, and the other end of the second anchor chain is used for being connected with the buoy or the second device.
4. A mooring system according to claim 3, wherein the underwater working robot on the installation vessel is pulled by a haulage rope.
5. A mooring system according to claim 3, wherein the fixed anchor is a suction anchor, a drag through anchor, a normal load bearing anchor or a power penetration anchor.
6. A mooring system according to claim 3, wherein the end of the sliding link connected to the first anchor chain is provided with a pulling hole, and wherein the ends of the first anchor chain are connected to the pulling hole and the first eyelet, respectively, by shackle.
7. A mooring method employing a mooring system as claimed in any of claims 3 to 6, comprising the steps of:
s1, before an offshore floating fan is in place, a mounting ship is opened to the vicinity of a preset position of a fixed anchor, a first buoy is bound on a connecting ring of the fixed anchor, the fixed anchor is fixed at the preset position of the seabed, and a connecting sleeve is vertically arranged;
s2, after the offshore floating fan is in place, the rolling equipment slowly releases the second anchor chain, so that the underwater tensioner is slowly immersed in water, the underwater operation robot inserts the plug sleeve into the connecting sleeve, the rolling equipment rolls the second anchor chain, tightens the first anchor chain, pulls up the sliding connecting rod, enables the balls to be clamped into ball clamping holes and pressed on the inner wall of the connecting sleeve, and completes locking of the plug sleeve and the connecting sleeve;
and S3, connecting the winding equipment and the second anchor chain is released, and a second buoy is bound on the second anchor chain to complete mooring.
8. The mooring method according to claim 7, wherein when the offshore floating fan needs to be returned to the wharf for maintenance, the installation vessel is opened to the vicinity of the position of the first buoy, the position of the fixed anchor is found by the underwater operation robot, the sliding connecting rod is pushed downwards, when the plugging sleeve moves downwards along with the sliding connecting rod, the sliding connecting rod then pushes the reset pressure spring to move downwards, the reset pressure spring is extruded by the sliding connecting rod until the first limit disc is attached to the second limit disc, at the moment, the balls move to the position of the slope bottom end of the slope groove, the balls are not exposed through the ball clamping holes on the plugging sleeve, the plugging sleeve and the sliding connecting rod move outwards at the same time, the mooring release is completed, and the offshore floating fan is brought back to the wharf for maintenance.
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| CN202311027451.XA CN116873111B (en) | 2023-08-14 | 2023-08-14 | Quick connector, mooring system and mooring method thereof |
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| CN202311027451.XA CN116873111B (en) | 2023-08-14 | 2023-08-14 | Quick connector, mooring system and mooring method thereof |
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| CN116873111A (en) | 2023-10-13 |
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