CN117184321A - Mooring tensioner with steering device - Google Patents
Mooring tensioner with steering device Download PDFInfo
- Publication number
- CN117184321A CN117184321A CN202311155553.XA CN202311155553A CN117184321A CN 117184321 A CN117184321 A CN 117184321A CN 202311155553 A CN202311155553 A CN 202311155553A CN 117184321 A CN117184321 A CN 117184321A
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- China
- Prior art keywords
- chain
- tensioner
- mooring
- steering device
- base
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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- 230000001681 protective effect Effects 0.000 claims description 6
- 238000012856 packing Methods 0.000 claims 2
- 230000002146 bilateral effect Effects 0.000 claims 1
- 238000009434 installation Methods 0.000 abstract description 20
- 230000002457 bidirectional effect Effects 0.000 abstract description 6
- 230000009286 beneficial effect Effects 0.000 abstract description 5
- 230000000694 effects Effects 0.000 abstract description 4
- 229910000831 Steel Inorganic materials 0.000 description 5
- 239000010959 steel Substances 0.000 description 5
- 238000003466 welding Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
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
- B63B21/04—Fastening or guiding equipment for chains, ropes, hawsers, or the like
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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
- B63B21/04—Fastening or guiding equipment for chains, ropes, hawsers, or the like
- B63B21/10—Fairleads
-
- 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
- B63B21/18—Stoppers for anchor chains
-
- 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
-
- 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
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/70—Wind energy
- Y02E10/727—Offshore wind turbines
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- Ocean & Marine Engineering (AREA)
- Devices For Conveying Motion By Means Of Endless Flexible Members (AREA)
Abstract
The invention discloses a mooring tensioner with a steering device, which comprises a base, wherein the base is connected with the tensioner through a tongue plate, one end of the tensioner is provided with a hollow structure so as to be convenient for a chain to pass through, the tensioner comprises a main body structure, the middle part of the main body structure is provided with a chain guiding module, one end of the main body structure is provided with a chain stopping module, and two sides of the main body structure are symmetrically provided with a plurality of sacrificial anodes. The mooring device has reasonable design, reliable performance and small operation difficulty, simplifies the mooring configuration of the floating fan, effectively improves the installation efficiency, reduces the equipment and installation cost, can utilize the existing cable guider structure of the floating body, has good mooring positioning effect, realizes the purposes of bidirectional rotation and quick pretension, and is beneficial to large-scale installation operation.
Description
Technical Field
The invention relates to the technical field of tensioners of offshore floating type fan mooring systems, in particular to a mooring tensioner with a steering device.
Background
Mooring chains are important equipment for offshore floating body mooring positioning, wherein steel chains are an essential component in mooring systems due to their excellent carrying capacity, fatigue resistance and wear resistance. The upper end of the mooring chain is typically connected to the platform by an anchor and chain stopper for adjusting the length of the mooring chain to a set tension. The traditional mooring system pretensions by using an anchor machine and a chain stopper, but has high cost and complex operation, and is not suitable for the offshore floating type fan mooring system. For a floating production platform or a floating fan, the pre-tensioning is realized by a mode of matching a crane and a chain stopper, but the method has higher requirements on a mounting ship, has high cost and high difficulty, and is not beneficial to large-scale mounting operation. On the other hand, along with long-time offshore engineering operation, the chain is continuously influenced by the side force of irregular swing in the use process, a certain angle of deflection is generated, non-axial acting force is brought to the joint (usually a connecting shackle) of the chain and a platform, and the service life of the chain is influenced. The invention provides a mooring tensioner with a steering device, which can be installed based on the existing cable guider structure of an offshore floating body, has the functions of rotating and tightening chains in two directions, can simplify the mooring configuration of a floating fan, and improves the installation efficiency.
Disclosure of Invention
The invention aims to solve the technical problems and provide the mooring tensioner with the steering device, which can effectively improve the installation efficiency, reduce the equipment and the installation cost and realize the purposes of bidirectional rotation and rapid pretension.
In order to achieve the technical purpose and meet the technical requirements, the invention adopts the technical scheme that: take turning to device's mooring tensioner, including the base, its characterized in that: the bottom of the base is connected with the floating body, the base is connected with a tongue plate through a pin shaft A, the other end of the tongue plate is connected with a tensioner through a pin shaft B, one end of the tensioner is provided with a hollow structure so as to be convenient for a chain to pass through, the tensioner comprises a main structure, a chain guiding module is arranged in the middle of the main structure, a chain stopping module is arranged at one end of the main structure, a protective cover is arranged on the main structure above the chain stopping module, and a plurality of sacrificial anodes are symmetrically arranged on two sides of the main structure; the chain passes through the open end of the tensioner, the bottom of the chain stop module, the bottom of the chain guide module and is led out from one side of the chain guide module.
Preferably: the chain guide module comprises a chain wheel, the chain wheel is connected with the main body structure through a pin shaft C, and a protective wing for preventing the chain from sliding out is arranged on the outer side of the chain wheel.
Preferably: the chain stopper module comprises a chain stopper, the chain stopper is connected with the main body structure through a pin shaft D, ear plates are symmetrically arranged on two sides of the upper end of the chain stopper, one end of a spring is connected with the ear plates, and the other end of the spring is connected with the main body structure.
Preferably: the chain stopper bottom sets up to open-ended, the chain stopper outside is provided with the arc groove that is convenient for the chain to pass, and the inboard is provided with the chain stopping groove.
Preferably: the base is formed by welding transverse and longitudinal steel plates, the bottom of the base is welded with the floating body, and the base is provided with a pin hole for connecting the tongue plate.
Preferably: the base is horizontally fixed on the floating body or vertically fixed on the floating body.
Preferably: the tongue plate is a tongue-shaped connecting piece, one end of the tongue plate is a hollow cylinder and is used for being connected with the base, and the other end of the tongue plate is provided with a pin hole and is connected with the tensioner.
Preferably: the two ends of the pin shaft A are connected with the base through the gasket A, and the two ends of the pin shaft B are connected with the tensioner through the gasket B, so that the rotation of all the components is ensured.
Preferably: the rotation angle of the tensioner in the horizontal direction is set to ±90°.
Preferably: the tensioner rotates downwards by taking the horizontal direction as 0 DEG, and the rotation angle of the tensioner in the vertical direction is set to be 0-90 deg.
Preferably: the pin shaft A is of a stepped structure with two thin middle ends and two thick ends, and shaft sleeves are arranged at the joints of inner rings at two ends of the tongue plate and the thick ends of the pin shaft A.
Compared with the traditional structure, the invention has the beneficial effects that:
1. the invention has reasonable design and reliable performance, simplifies the mooring configuration of the floating fan, and ensures that the tensioner simultaneously has the functions of rotating and tightening the chain in the horizontal and vertical directions by connecting the base with the tensioner through the tongue plate, thereby having lower requirements on the installation ship, small operation difficulty, effectively improving the installation efficiency, reducing the equipment and installation cost, realizing the purposes of bidirectional rotation and rapid pretension and being beneficial to large-scale installation operation.
2. The invention can utilize the existing cable guide structure of the floating body to combine the tongue plate, the chain stopper and the cable guide to form the tensioner with bidirectional rotation and tensioning functions, has good mooring positioning effect and prolongs the service life of the cable guide.
3. When the base is vertically fixed, the tongue plate main shaft can be installed by utilizing gravity, so that the installation difficulty and the installation cost are reduced, the installation efficiency is improved, and the large-scale installation operation is facilitated.
4. The chain stopper uses the spring to reset, has the function of upward stretching and reverse automatic locking, and can realize automatic tensioning.
Drawings
FIG. 1 is a schematic diagram of an embodiment of the present invention;
FIG. 2 is a second schematic diagram of the structure of the embodiment of the present invention;
FIG. 3 is a schematic view of a chain stopper module according to the present invention;
FIG. 4 is a schematic view of a chain stopper according to the present invention;
FIG. 5 is a schematic view of the installation of the present invention;
in the figure: 1. base, 2. Tongue plate, 3. Tensioner, 31. Chain guiding module, 311. Sprocket, 312. Wings, 32. Chain stopping module, 321. Chain stopper, 3211. Ear plate, 3212. Arc groove, 3213. Chain stopping groove, 322. Spring, 33. Protective cover, 34. Main structure, 4. Chain, 5. Sacrificial anode, 6. Pin A,7. Pin B,8. Connecting floating body, 9. Connecting lower chain link, 10. Tug.
Detailed Description
The present invention will be further described below.
Example 1
Mooring tensioner with steering device, comprising a foundation 1, characterized in that: the bottom of the base 1 is connected with a floating body, the base 1 is connected with a tongue plate 2 through a pin shaft A6, the other end of the tongue plate 2 is connected with a tensioner 3 through a pin shaft B7, one end of the tensioner 3 is provided with a hollow structure so as to be convenient for a chain 4 to pass through, the tensioner 3 comprises a main body structure 34, the middle part of the main body structure 34 is provided with a chain guide module 31, one end of the main body structure 34 is provided with a chain stopping module 32, a protective cover 33 is arranged on the main body structure 34 above the chain stopping module 32, and two sides of the main body structure 34 are symmetrically provided with a plurality of sacrificial anodes 5; the chain 4 passes through the open end of the tensioner 3, the bottom of the chain stopper module 32, the bottom of the chain guide module 31, and exits from the side of the chain guide module 31.
In the preferred embodiment, the chain guide module 31 includes a sprocket 311, and the sprocket 311 is connected to the main structure 34 through a pin C.
In the preferred embodiment, the chain stopper module 32 includes a chain stopper 321, the chain stopper 321 is connected with the main structure 34 through a pin D, two sides of the upper end of the chain stopper 321 are symmetrically provided with an ear plate 3211, one end of a spring 322 is connected with the ear plate 3211, and the other end is connected with the main structure 34.
In the preferred embodiment, the bottom of the chain stopper 321 is provided with an opening, the outer side of the chain stopper 321 is provided with an arc-shaped groove 3212 for facilitating the chain to pass through, and the inner side of the chain stopper 321 is provided with a chain stopping groove 3213.
In the preferred embodiment, the base 1 is formed by welding transverse and longitudinal steel plates, the bottom of the base 1 is welded with the floating body, and the base 1 is provided with a pin hole for connecting the tongue plate.
In the preferred embodiment, the base 1 is horizontally fixed on the floating body, and the central line of the tensioner is vertical to the axial central lines of the tongue plate and the axial central line of the base.
In the preferred embodiment, the tongue plate 2 is a tongue-shaped connecting piece, one end of the tongue plate is a hollow cylinder and is used for being connected with the base 1, and the other end of the tongue plate is provided with a pin hole and is connected with the tensioner 3.
In the preferred embodiment, two ends of the pin A6 are connected with the base 1 through the gasket A, and two ends of the pin B7 are connected with the tensioner 3 through the gasket B, so that rotation of all parts is ensured.
In the preferred embodiment, the right open end of the main body structure 34 is provided with a cross-shaped chain guide hole.
In the preferred embodiment, the rotation angle of the tensioner 3 in the horizontal direction is set to ±90°, the tensioner rotates downward with the horizontal direction being 0 °, and the rotation angle of the tensioner in the vertical direction is set to 0 to 90 °.
Example 2
Mooring tensioner with steering device, comprising a foundation 1, characterized in that: the bottom of the base 1 is connected with a floating body, the base 1 is connected with a tongue plate 2 through a pin shaft A6, the other end of the tongue plate 2 is connected with a tensioner 3 through a pin shaft B7, one end of the tensioner 3 is provided with a hollow structure so as to be convenient for a chain 4 to pass through, the tensioner 3 comprises a main body structure 34, the middle part of the main body structure 34 is provided with a chain guide module 31, one end of the main body structure 34 is provided with a chain stopping module 32, a protective cover 33 is arranged on the main body structure 34 above the chain stopping module 32, and two sides of the main body structure 34 are symmetrically provided with a plurality of sacrificial anodes 5; the chain 4 passes through the open end of the tensioner 3, the bottom of the chain stopper module 32, the bottom of the chain guide module 31, and exits from the side of the chain guide module 31.
In the preferred embodiment, the outer side of the sprocket 311 is provided with the wings 312 for preventing the chain from sliding out, so that the wrapping effect is better, and the chain can be effectively prevented from sliding out.
In the preferred embodiment, the chain stopper module 32 includes a chain stopper 321, the chain stopper 321 is connected with the main structure 34 through a pin D, two sides of the upper end of the chain stopper 321 are symmetrically provided with an ear plate 3211, one end of a spring 322 is connected with the ear plate 3211, and the other end is connected with the main structure 34.
In the preferred embodiment, the bottom of the chain stopper 321 is provided with an opening, the outer side of the chain stopper 321 is provided with an arc-shaped groove 3212 for facilitating the chain to pass through, and the inner side of the chain stopper 321 is provided with a chain stopping groove 3213.
In the preferred embodiment, the base 1 is formed by welding transverse and longitudinal steel plates, the bottom of the base 1 is welded with the floating body, and the base 1 is provided with a pin hole for connecting the tongue plate.
In the preferred embodiment, the base 1 is vertically fixed on the floating body, and the central line of the tensioner is on the same plane with the axial central lines of the tongue plate and the axial central line of the base.
In the preferred embodiment, the tongue plate 2 is a tongue-shaped connecting piece, one end of the tongue plate is a hollow cylinder and is used for being connected with the base 1, and the other end of the tongue plate is provided with a pin hole and is connected with the tensioner 3.
In the preferred embodiment, the pin shaft A6 is of a stepped structure with two thin middle ends and two thick ends, a shaft sleeve is arranged at the joint of the inner rings at the two ends of the tongue plate 2 and the thick end of the pin shaft A6, and a lifting lug convenient to install is arranged at the upper end of the pin shaft A6.
In the preferred embodiment, the rotation angle of the tensioner 3 in the horizontal direction is set to ±90°, the tensioner rotates downward with the horizontal direction being 0 °, and the rotation angle of the tensioner in the vertical direction is set to 0 to 90 °.
In the preferred embodiment, the right side opening end of the main body structure is provided with a cross-shaped chain guide hole.
In practice, the base 1 can be welded on the floating body in advance, and then the tongue plate 2 and the tensioner 3 are arranged on the base; the existing cable guide structure of the marine floating body can be utilized, the tongue plate 2, the chain stopper 321 and the cable guide can be combined to form the tensioner with the bidirectional rotation and tensioning functions, and when the tensioner is installed, the main shaft of the tongue plate is vertically arranged, the lifting lug is arranged on the main shaft, and the installation difficulty is reduced by utilizing gravity.
When the chain tensioning device is used, the mounting ship pulls the chain 4 to a position close to the tensioner 3, the chain 4 passes through the cross-shaped chain guide hole at the opening end of the tensioner 3, the bottom of the chain stopping module 32 and the bottom of the chain wheel 311 and is led out from the chain wheel side by traction of the steel wire rope, the protection wings are added on the outer side of the chain wheel 311, the coating effect is better, and the chain can be effectively prevented from sliding out; the lower part chain link is connected to the chain lower extreme, and the upper end uses tug to pull wire rope and pulls, carries out pretension to whole mooring chain, and chain stopper 321 uses spring 322 to reset, possesses forward stretching, reverse automatic locking's function, can realize automatic tensioning, and the tension of anchor leg is born completely to the chain stopper after locking. The rotation angle of the combined body in the horizontal direction is +/-90 degrees, the rotation angle of the combined body in the vertical direction is 0-90 degrees (the combined body rotates downwards by taking the horizontal direction as 0 degree), the purposes of bidirectional rotation and rapid pretension can be achieved, the installation difficulty can be effectively reduced, the installation efficiency is improved, the cost is reduced, the installation difficulty is low, and the combined body is beneficial to large-scale installation operation.
The foregoing embodiments of the present invention are merely illustrative of the present invention and are not intended to limit the scope of the present invention, and all equivalent technical solutions are also included in the scope of the present invention, which is defined by the claims.
Claims (9)
1. Mooring tensioner with steering device, comprising a foundation (1), characterized in that: the bottom of base (1) is connected with the body, be connected with tongue (2) through round pin axle A (6), packing ring A on base (1), the other end of tongue (2) is connected with tensioning ware (3) through round pin axle B (7), packing ring B, the one end of tensioning ware (3) sets up to hollow structure and is convenient for chain (4) pass, tensioning ware (3) include major structure (34), major structure (34) middle part is provided with chain guide module (31), major structure (34) one end is provided with ends chain module (32), be provided with safety cover (33) on end chain module (32) top major structure (34), major structure (34) bilateral symmetry is provided with a plurality of sacrificial anode (5); the chain (4) passes through the open end of the tensioner (3), the bottom of the chain stop module (32), the bottom of the chain guide module (31) and is led out from one side of the chain guide module (31).
2. The mooring tensioner with steering device of claim 1, wherein: the chain guide module (31) comprises a chain wheel (311), the chain wheel (311) is connected with the main body structure (34) through a pin shaft C, and a protective wing (312) for preventing a chain from sliding out is arranged on the outer side of the chain wheel (311).
3. The mooring tensioner with steering device of claim 1, wherein: the chain stopper module (32) comprises a chain stopper (321), the chain stopper (321) is connected with the main body structure (34) through a pin shaft D, lug plates (3211) are symmetrically arranged on two sides of the upper end of the chain stopper (321), one end of a spring (322) is connected with the lug plates (3211), and the other end of the spring is connected with the main body structure (34).
4. A mooring tensioner with steering device according to claim 3, wherein: the bottom of the chain stopper (321) is provided with an opening, an arc-shaped groove (3212) which is convenient for a chain to pass through is arranged on the outer side of the chain stopper (321), and a chain stopping groove (3213) is arranged on the inner side of the chain stopper.
5. The mooring tensioner with steering device of claim 1, wherein: the bottom of base (1) is connected with the body welded, be provided with the pinhole that is used for connecting tongue (2) on base (1).
6. A mooring tensioner with steering device according to claim 1 or 5, characterized in that: the base (1) is horizontally fixed on the floating body or vertically fixed on the floating body.
7. The mooring tensioner with steering device of claim 1, wherein: the tongue plate (2) is arranged as a tongue-shaped connecting piece, one end of the tongue plate is a hollow cylinder, and the other end of the tongue plate is provided with a pin hole.
8. The mooring tensioner with steering device of claim 1, wherein: the right side opening end of the main body structure is provided with a cross-shaped chain guide hole.
9. The mooring tensioner with steering device of claim 1, wherein: the rotation angle of the tensioner (3) in the horizontal direction is set to be +/-90 degrees, the tensioner (3) rotates downwards by taking the horizontal direction as 0 degrees, and the rotation angle of the tensioner (3) in the vertical direction is 0-90 degrees.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211154325.6A CN115503881A (en) | 2022-09-22 | 2022-09-22 | Mooring tensioner with steering device |
| CN2022111543256 | 2022-09-22 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN117184321A true CN117184321A (en) | 2023-12-08 |
Family
ID=84505598
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211154325.6A Pending CN115503881A (en) | 2022-09-22 | 2022-09-22 | Mooring tensioner with steering device |
| CN202311155553.XA Pending CN117184321A (en) | 2022-09-22 | 2023-09-08 | Mooring tensioner with steering device |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211154325.6A Pending CN115503881A (en) | 2022-09-22 | 2022-09-22 | Mooring tensioner with steering device |
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| Country | Link |
|---|---|
| CN (2) | CN115503881A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR102677456B1 (en) * | 2024-03-27 | 2024-06-21 | 주식회사 에이스이앤티 | Mooring load reduction device of offshore floating body |
-
2022
- 2022-09-22 CN CN202211154325.6A patent/CN115503881A/en active Pending
-
2023
- 2023-09-08 CN CN202311155553.XA patent/CN117184321A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR102677456B1 (en) * | 2024-03-27 | 2024-06-21 | 주식회사 에이스이앤티 | Mooring load reduction device of offshore floating body |
Also Published As
| Publication number | Publication date |
|---|---|
| CN115503881A (en) | 2022-12-23 |
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