An ROV H-LINK underwater installation platform base
By designing the ROV H-LINK underwater installation platform base, the problem of the anchor chain not being able to be connected vertically was solved, enabling the anchor chain to be installed quickly and accurately, and reducing engineering costs.
Patent Information
- Application Number
- CN202310480784.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Patents(China)
- Current Assignee / Owner
- Filing Date
- 2023-04-28
- Publication Date
- 2026-01-16
- Estimated Expiration
- 2043-04-28
AI Technical Summary
In existing technologies, the anchor chain cannot be vertically connected to the seabed ROV H-LINK, making it impossible to directly weld the installation platform. Therefore, it is necessary to design an underwater installation platform base to suspend the anchor chain and maintain its vertical position.
A base for an ROV H-LINK underwater installation platform was designed, including an anchor chain mounting groove, a limiting structure, and a guiding device for fixing and guiding the anchor chain. Combined with the anti-sinking plate base and the main column, it ensures the vertical installation and rapid positioning of the anchor chain.
It improved construction efficiency, reduced project costs, decreased the frequency of using ship cranes and auxiliary equipment, simplified operating procedures, and enabled the rapid and accurate installation of anchor chains.
Smart Images

Figure CN116752515B_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The application relates to the technical field of ocean engineering, in particular to an ROV H-LINK underwater installation platform base. BACKGROUND
[0002] A single point mooring system is an important facility of a floating production platform FPSO, and the mooring capacity mainly comes from a mooring anchor leg, which is connected to an anchor pile through a chain, and the installation modes of the chain are different in different application scenarios, for a gravity anchor, a platform is usually welded on the anchor, and the platform cannot be directly welded on the anchor pile, and the chain on the anchor pile is usually horizontally placed on the seabed and cannot be vertically connected with the ROV H-LINK on the seabed chain, therefore, an underwater installation platform base needs to be designed, which is placed on the seabed and makes the anchor chain hang in the air and keep in a vertical state when the ROV H-LINK is installed. SUMMARY
[0003] The application aims to provide an ROV H-LINK underwater installation platform base which is placed on the seabed and makes the anchor chain hang in the air and keep in a vertical state when the ROV H-LINK is installed.
[0004] In order to achieve the object of the application, the application provides an ROV H-LINK underwater installation platform base, which comprises an upper platform, an anchor chain installation groove is formed in the plate surface of the upper platform, a limiting structure is fixedly connected to the side end of the anchor chain installation groove, the limiting structure is used for limiting and fixing the anchor chain, a guide device is fixedly connected to the corner end position of the plate surface of the upper platform, the guide device is used for guiding and limiting and fixing the installation of the ROV H-LINK, an anti-sinking plate base is arranged at the position directly below the upper platform, a main body column is fixedly connected to the four corner ends of the bottom surface of the upper platform at the top end, and the bottom end of the main body column is fixedly connected to the plate surface of the anti-sinking plate base.
[0005] As a preferred technical scheme of the application, three I-shaped steels are fixedly connected to the edge end of the bottom plate of the upper platform, the top end of the main body column is fixedly connected to the ground of the I-shaped steel, the opening direction of the three I-shaped steels after being enclosed is the same as the opening direction of the anchor chain installation groove, and four lifting lugs are arranged at the top surface corner end of the I-shaped steel.
[0006] As a preferred technical scheme of the present application, the limiting structure comprises two limiting assemblies, the two limiting assemblies are symmetrically installed at both ends of the anchor chain installation groove, the limiting assembly comprises a first limiting plate, a second limiting plate and a web plate, the two first limiting plates are arranged in parallel at the side ends of the anchor chain installation groove, and the first limiting plates are arranged perpendicularly to the opening direction of the anchor chain installation groove, the second limiting plate is clamped between the two first limiting plates, and the second limiting plate is arranged obliquely, the second limiting plate is arranged as a low point near the end of the anchor chain installation groove, and the web plate is arranged obliquely, one end of the web plate is fixedly connected to the outer side end of the first limiting plate, and the other end of the web plate is fixedly connected to the upper platform plate surface.
[0007] As a preferred technical scheme of the present application, the distance between the two first limiting plates of the limiting assembly is adapted to the thickness of the anchor chain, and the two second limiting plates of the two limiting assemblies form a flared mouth structure, the size of the bottom end of the flared mouth structure is smaller than the width of the anchor chain.
[0008] As a preferred technical scheme of the present application, the guide device comprises a first guide plate and a second guide plate, the two first guide plates are arranged on one side of the anchor chain installation groove, the two second guide plates are arranged on the other side of the anchor chain installation groove, the first guide plate and the second guide plate are provided with guide curved surfaces near the end of the anchor chain installation groove, and the distance between the bottom points of the guide curved surfaces of the first guide plate and the second guide plate is adapted to the size of the ROV H-LINK installation tool.
[0009] As a preferred technical scheme of the present application, the height of the first guide plate is greater than the height of the second guide plate.
[0010] As a preferred technical scheme of the present application, the side end of the main body column is fixedly connected with an inclined support, one end of the inclined support is fixedly connected to the side end of the main body column, and the other end of the inclined support is fixedly connected to the anti-sinking plate base plate surface.
[0011] As a preferred technical scheme of the present application, the upper and lower side walls of the main body column and the inclined support are provided with water permeable holes.
[0012] As a preferred technical scheme of the present application, the anti-sinking plate base plate surface is provided with a plurality of holes, one side of the anti-sinking plate base is provided with a notch, the notch is provided as a figure-of-eight opening, and the opening direction of the notch is the same as the opening direction of the anchor chain installation groove.
[0013] As a preferred technical scheme of the present application, the anti-sinking plate base plate surface is fixedly connected with two tool baskets, and the two tool baskets are arranged on both sides of the notch respectively.
[0014] Compared with the prior art, the ROVH-LINK underwater installation platform base has the following beneficial effects:
[0015] In use, the crane lowers the installation platform base to the seabed, then lifts the anchor head chain and adjusts the posture of the anchor chain, so that the anchor head chain is vertically arranged on the installation platform, the first limiting plate limits the anchor head chain in the left-right direction, and the first limiting plate limits the anchor head chain in the up-down direction; then the crane lowers the installation tool, the ROV adjusts the posture of the installation tool underwater, and the installation tool is accurately positioned on the installation platform through the guide device and the guide of the anchor head chain, the installation tool is operated through the ROV, the ROVH-LINK is connected with the anchor head chain, the installation tool is separated after locking, then the crane lifts the ROVH-LINK away from the installation platform and places it on the seabed, and thus the anchor head chain is connected.
[0016] (1) The platform base is provided with an anchor chain installation groove, a limiting structure and a guide device, so that the anchor head chain and the installation ROVH-LINK can be quickly positioned, and the construction efficiency is greatly improved.
[0017] (2) The anti-sinking plate base is in the shape of a bell mouth, which avoids interference with the anchor head chain installation route, and meanwhile, the tool basket is designed to improve the utilization rate of the structure and realize multiple functions.
[0018] (3) The device is flexible to apply and low in construction cost, the limiting structure and the size of the anti-sinking plate can be adjusted according to the project requirements, or one installation platform base can be placed in advance at each anchor head chain to avoid re-hanging the rigging after installation, recovery or underwater movement to the next anchor head chain installation point, reduce the use frequency of the ship crane and auxiliary equipment, and the operation time of the operating personnel will be greatly reduced, which significantly reduces the engineering cost and achieves the purpose of reducing cost and increasing efficiency. BRIEF DESCRIPTION OF DRAWINGS
[0019] Figure 1 is a structural schematic diagram of the present application;
[0020] Figure 2 is a top view of the present application;
[0021] Figure 3 is a front view of the present application;
[0022] Figure 4 is a top view of the upper platform of the present application;
[0023] Figure 5 is a left view of the upper platform of the present application;
[0024] Figure 6 is a schematic diagram of the present application Figure 4 is a sectional view of the upper platform A of the present application;
[0025] Figure 7 is a schematic diagram of the anchor head chain positioning of the present application;
[0026] Figure 8 is the schematic diagram of the anchor chain and ROVH-LINK connection of the application;
[0027] Figure 9 is the schematic diagram of the ROVH-LINK after connection off the installation platform.
[0028] 1 is the upper platform, 2 is the anchor chain installation slot, 3 is the limiting structure, 4 is the guide device, 5 is the anti-sinking plate base, 6 is the main column, 7 is the I-beam, 8 is the lifting lug, 9 is the first limiting plate, 10 is the second limiting plate, 11 is the rib plate, 12 is the first guide plate, 13 is the second guide plate, 14 is the inclined support, and 15 is the tool basket. DETAILED DESCRIPTION
[0029] The technical solutions in the embodiments of the application will be clearly and completely described below with reference to the drawings in the embodiments of the application. Obviously, the described embodiments are only part of the embodiments of the application, rather than all the embodiments of the application. Based on the embodiments in the application, all other embodiments obtained by those skilled in the art without creative work fall within the protection scope of the application.
[0030] Please refer to Figures 1-9 The embodiment of the application provides a ROVH-LINK underwater installation platform base, which comprises an upper platform 1, an anchor chain installation slot 2 is formed in the plate surface of the upper platform 1; a limiting structure 3 is fixedly connected to the side end of the anchor chain installation slot 2, and the limiting structure 3 is used for limiting and fixing the anchor chain; a guide device 4 is fixedly connected to the corner end position of the plate surface of the upper platform 1, and the guide device 4 is used for guiding and limiting and fixing the installation of the ROVH-LINK; an anti-sinking plate base 5 is arranged at the position directly below the upper platform 1; a main column 6 is fixedly connected to the four corner ends of the bottom surface of the upper platform 1 at the top end, and the bottom end of the main column 6 is fixedly connected to the plate surface of the anti-sinking plate base 5.
[0031] In one embodiment of the application, three I-beams 7 are fixedly connected to the edge end of the bottom plate of the upper platform 1, the top end of the main column 6 is fixedly connected to the ground of the I-beam 7, the opening direction of the three I-beams 7 after being enclosed is the same as the opening direction of the anchor chain installation slot 2, and four lifting lugs 8 are arranged at the top surface corner end of the I-beam 7.
[0032] In one embodiment of the present application, the limiting structure 3 comprises two limiting assemblies, the two limiting assemblies are symmetrically installed at both ends of the anchor chain installation groove 2, the limiting assembly comprises a first limiting plate 9, a second limiting plate 10 and a web plate 11, the two first limiting plates 9 are arranged in parallel at the side ends of the anchor chain installation groove 2, and the first limiting plate 9 is arranged perpendicular to the opening direction of the anchor chain installation groove 2, the second limiting plate 10 is clamped between the two first limiting plates 9, and the second limiting plate 10 is arranged obliquely, the second limiting plate 10 is arranged as a low point near the end of the anchor chain installation groove 2, and the web plate 11 is arranged obliquely, one end of the web plate 11 is fixedly connected to the outer side end of the first limiting plate 9, and the other end of the web plate 11 is fixedly connected to the plate surface of the upper platform 1.
[0033] In one embodiment of the present application, the distance between the two first limiting plates 9 of the limiting assembly is adapted to the thickness of the anchor chain, and the two second limiting plates 10 of the two limiting assemblies form a flared structure, the size of the bottom end of the flared structure is smaller than the width of the anchor chain.
[0034] In one embodiment of the present application, the guide device 4 comprises a first guide plate 12 and a second guide plate 13, the two first guide plates 12 are arranged on one side of the anchor chain installation groove 2, the two second guide plates 13 are arranged on the other side of the anchor chain installation groove 2, the first guide plate 12 and the second guide plate 13 are provided with guide arc surfaces near the end of the anchor chain installation groove 2, and the distance between the bottom points of the guide arc surfaces of the first guide plate 12 and the second guide plate 13 is adapted to the size of the ROV H-LINK installation tool.
[0035] In one embodiment of the present application, the height of the first guide plate 12 is greater than the height of the second guide plate 13.
[0036] In one embodiment of the present application, the side end of the main body column 6 is fixedly connected with an inclined support 14, one end of the inclined support 14 is fixedly connected to the side end of the main body column 6, and the other end of the inclined support 14 is fixedly connected to the plate surface of the anti-sinking plate base 5.
[0037] In one embodiment of the present application, the upper and lower side walls of the main body column 6 and the inclined support 14 are provided with water permeable holes.
[0038] In one embodiment of the present application, the plate surface of the anti-sinking plate base 5 is provided with a plurality of holes, one side of the anti-sinking plate base 5 is provided with a notch, the notch is provided as a figure-of-eight opening, and the opening direction of the notch is the same as the opening direction of the anchor chain installation groove 2.
[0039] In one embodiment of the present application, the anti-sediment plate base 5 is fixedly connected with two tool baskets 15, and the two tool baskets 15 are respectively arranged on the two sides of the slot.
[0040] The above merely describes the preferred embodiments of the present application, but the protection scope of the present application is not limited thereto, and any person skilled in the art can make equivalent replacements or changes within the technical range disclosed by the present application according to the technical solution and the inventive concept of the present application, which should be covered within the protection scope of the present application.
Claims
1. An ROV H-LINK underwater installation platform base, characterized in that, The utility model relates to a kind of ROVH-LINK underwater installation platform base, including: Upper platform (1), the upper platform (1) board face is equipped with anchor chain installation groove (2);Limiting structure (3), the limiting structure (3) is fixedly connected to the side end of the anchor chain installation groove (2), and the limiting structure (3) is used for limiting and fixing anchor chain;Guiding device (4), the guiding device (4) is fixedly connected to the corner end position of the upper platform (1) board face, and the guiding device (4) is used for guiding and limiting and fixing the installation of ROVH-LINK;Anti-sinking plate base (5), the anti-sinking plate base (5) is located at the position directly below the upper platform (1);Main body column (6), the main body column (6) top end is fixedly connected to the bottom surface of the upper platform (1) four corner ends, and the main body column (6) bottom end is fixedly connected to the board face of the anti-sinking plate base (5), and the limiting structure (3) includes two limiting components, two the limiting components are symmetrically installed in the both ends of the anchor chain installation groove (2), and the limiting component includes first limiting plate (9), second limiting plate (10) and web (11), two The first limiting plate (9) is arranged in parallel in the side end of the anchor chain installation groove (2), and the first limiting plate (9) is perpendicular to the opening direction of the anchor chain installation groove (2) Setting, the second limiting plate (10) is clamped between two first limiting plates (9), and the second limiting plate (10) is inclined to set, the second limiting plate (10) is low near the end of anchor chain installation groove (2) It is set, the web (11) is inclined to set, one end of the web (11) is fixedly connected to the outside end of the first limiting plate (9), and the other end of the web (11) is fixedly connected to the board face of the upper platform (1), the board face of the anti-sinking plate base (5) is equipped with a plurality of holes, one side of the anti-sinking plate base (5) is equipped with notch, the notch is provided as eight-shaped opening, and the opening direction of the notch is same with the opening direction of the anchor chain installation groove (2).
2. According to the ROVH-LINK underwater installation platform base of claim 1, wherein: The upper platform (1) bottom plate edge end is fixedly connected with three I-shaped steel (7), and the main body column (6) top end is fixedly connected to the ground of the I-shaped steel (7). The opening direction of the three I-shaped steel (7) after being enclosed is same with the opening direction of the anchor chain installation groove (2), and the top surface corner end of the I-shaped steel (7) is provided with four lifting lugs (8).
3. According to the ROVH-LINK underwater installation platform base of claim 1, wherein: The spacing between the two first limiting plates (9) of the limiting component is adapted to the thickness of the anchor chain, and the two second limiting plates (10) of the two limiting components form a horn mouth structure, and the size of the bottom end of the horn mouth structure is less than the width of the anchor chain.
4. According to the ROVH-LINK underwater installation platform base of claim 1, wherein: The guide device (4) comprises first guide plates (12) and second guide plates (13), two first guide plates (12) are arranged on one side of the anchor chain mounting groove (2), two second guide plates (13) are arranged on the other side of the anchor chain mounting groove (2), the first guide plates (12) and the second guide plates (13) are provided with guide arc surfaces near the end of the anchor chain mounting groove (2), and the distance between the bottom points of the guide arc surfaces of the first guide plates (12) and the second guide plates (13) is adapted to the size of the ROV H-LINK mounting tool.
5. The ROV H-LINK underwater installation platform base according to claim 4, wherein: The height of the first guide plate (12) is greater than the height of the second guide plate (13).
6. The ROV H-LINK underwater installation platform base according to claim 1, wherein: The side end of the main column (6) is fixedly connected with an inclined support (14), one end of the inclined support (14) is fixedly connected to the side end of the main column (6), and the other end of the inclined support (14) is fixedly connected to the plate surface of the anti-sinking plate base (5).
7. The ROV H-LINK underwater installation platform base according to claim 6, wherein: The upper and lower ends of the side walls of the main column (6) and the inclined support (14) are provided with water permeable holes.
8. The ROV H-LINK underwater installation platform base according to claim 1, wherein: The plate surface of the anti-sinking plate base (5) is fixedly connected with two tool baskets (15), and the two tool baskets (15) are arranged on the two sides of the slot, respectively.
Citation Information
Patent Citations
Limiting protector for anchor cable rope joint
CN105173001A
Mooring chain underwater installation platform attached to anchor
CN110979560A
End chain platform
CN204548402U