Connecting device, offshore foundation and operation and maintenance platform

Abstract

The utility model relates to a connecting device, an offshore foundation and an operation and maintenance platform. The connecting device comprises a mounting assembly and an embedded part, the embedded part is connected to the operation and maintenance platform through the mounting assembly, the operation and maintenance platform and the offshore foundation are connected in the mode that the embedded part is embedded in the offshore foundation, and the inner side face or the outer side face of the embedded part abuts against the offshore foundation to form counter-acting force so as to resist transverse loads generated by the wave action. The operation and maintenance platform can be stably connected with the offshore foundation, so that the efficiency and safety of operation and maintenance work are improved. Moreover, the at least two embedding pieces are movably connected with the translation mechanism, so that after the operation and maintenance platform is close to the offshore foundation, the distance between the two embedding pieces can be adjusted according to the size of the offshore foundation, such as the distance between adjacent stand columns, and the operation and maintenance platform is matched with the offshore foundations with multiple sizes and scales for operation and maintenance work; and at least two positions between the operation and maintenance platform and the offshore foundation are embedded, so that the operation and maintenance platform is effectively prevented from swinging and shaking under the action of waves.

Description

TECHNICAL FIELD

[0001] The utility model relates to offshore foundation operation and maintenance technical field especially is connected device, offshore foundation and operation and maintenance platform. BACKGROUND

[0002] At present, offshore floating wind turbine needs to berth operation and maintenance platform to one side of floating foundation during installation and operation and maintenance, then transfers required components to foundation to replace and repair, due to the action of wave, there is relative motion between operation and maintenance platform and offshore foundation, leading to low operation and maintenance efficiency. Especially when replacing large components, it even produces certain safety risk in operation and maintenance process. And the window period of good sea condition condition appears randomly, which limits periodic operation and maintenance task, and cannot adapt to operation and maintenance task under emergency.

[0003] In related technology, because offshore foundation structure has many forms, when the distance between wind turbine and tower drum on foundation and outer edge has a certain distance, direct berthing operation and maintenance scheme is more difficult to safely and efficiently transport large components to wind turbine foundation, which additionally increases the difficulty of operation and maintenance process, which not only limits the type range of operation and maintenance platform applied to foundation, but also limits the development of offshore foundation type.

[0004] Therefore, it is necessary to develop a new type of connecting device, offshore foundation and operation and maintenance platform to improve the above-mentioned part of the problems existing in related technology. UTILITY MODEL CONTENT

[0005] The utility model aims at providing a kind of connecting device, offshore foundation and operation and maintenance platform, can be stably connected offshore foundation under certain wind wave condition, to improve the efficiency and safety of operation and maintenance work.

[0006] The purpose of the utility model can be realized by the following technical solutions:

[0007] The connecting device provided by the utility model comprises: installation assembly and fitting piece;The installation assembly is used to connect operation and maintenance platform;The fitting piece is arranged on the installation assembly and is used to be embedded in offshore foundation to resist the transverse load of wave.

[0008] Optionally, the connecting device further comprises support, and the support is connected to the end of the installation assembly and the fitting piece away from the installation assembly respectively.

[0009] Optionally, a plurality of support is arranged around the fitting piece.

[0010] Optionally, the fitting piece is movably arranged on the installation assembly.

[0011] Optionally, the connecting device further comprises a translation mechanism connecting the mounting assembly and the engaging member, wherein the translation mechanism is arranged in a horizontal direction for driving the engaging member to translate.

[0012] Optionally, at least two of the engaging parts are connected to the translation mechanism.

[0013] Optionally, the connecting device further includes a lifting mechanism, which is provided on the mounting assembly and is used to drive the engaging member to move in a vertical direction.

[0014] Optionally, the engaging member includes a columnar protrusion or groove, the cross-sectional shape of the protrusion or groove may be circular or polygonal, and the end of the protrusion or groove is tapered.

[0015] The method for connecting the operation and maintenance platform to the offshore foundation provided by the present invention comprises the following steps:

[0016] Adjust the ballast of the operation and maintenance platform to increase the height of the fitting;

[0017] Moving the engaging member to above the location to be engaged on the offshore foundation;

[0018] The ballast of the operation and maintenance platform is adjusted so that the engaging member is engaged with the offshore foundation.

[0019] The offshore foundation provided by the utility model comprises a column and an embedded piece; the embedded piece is arranged on the column and is used to be embedded with the embedding piece.

[0020] Optionally, at least two of the engaged parts are respectively arranged on adjacent columns.

[0021] The operation and maintenance platform provided by the utility model includes the above-mentioned connecting device.

[0022] Compared with related technologies, the connection device and connection method, offshore foundation and operation and maintenance platform provided by the present invention have the following beneficial effects:

[0023] 1. The utility model connects the insert to the operation and maintenance platform by installing a component, and connects the operation and maintenance platform and the offshore foundation by inserting the insert into the offshore foundation. The inner side or outer side of the insert abuts against the offshore foundation to form a reaction force to resist the lateral load generated by the wave action, so that the operation and maintenance platform can be firmly connected to the offshore foundation, thereby improving the efficiency and safety of the operation and maintenance work.

[0024] 2. The utility model sets the support rod on the installation assembly and connects the support rod to the end of the mosaic away from the installation assembly. When the mosaic is subjected to the lateral load of the waves, it can provide effective support for the mosaic, which is beneficial to improving the connection reliability between the operation and maintenance platform and the offshore foundation.

[0025] 3. By flexibly connecting at least two interlocking members to the translation mechanism, the present invention allows the operation and maintenance platform to interlock with the offshore foundation at least at two locations, effectively preventing the operation and maintenance platform from swinging or swaying when subjected to wave action. Furthermore, the two interlocking members are movably arranged so that once the operation and maintenance platform approaches the offshore foundation, the distance between the two interlocking members can be adjusted based on the size of the offshore foundation, such as the spacing between adjacent columns, allowing for operation and maintenance work on offshore foundations of various sizes.

[0026] 4. The utility model adjusts the height of the fitting relative to the horizontal plane through a lifting mechanism, making it easier for the fitting to be embedded in the offshore foundation.

[0027] 5. The present invention forms a columnar protrusion or groove through the interlocking parts, and sets a tapered structure at the end of the protrusion or groove to improve the fault tolerance and convenience of the interlocking. BRIEF DESCRIPTION OF THE DRAWINGS

[0028] Figure 1 This is a structural diagram of connecting the operation and maintenance platform and the offshore foundation through a connecting device in an embodiment of the present utility model;

[0029] Figure 2 for Figure 1 The structural left view of the operation and maintenance platform and offshore foundation is shown;

[0030] Figure 3 for Figure 1 The structural diagram of the connection device is shown in FIG.

[0031] Reference numerals:

[0032] 1. Operation and maintenance platform; 101. Upper deck; 2. Offshore foundation; 201. Column; 3. Connecting device; 301. Fitting; 4. Supporting part; 5. Fitted part; 6. Track; 7. Crane. DETAILED DESCRIPTION

[0033] The present invention is described in detail below with reference to the accompanying drawings and specific embodiments. This embodiment is implemented based on the technical solution of the present invention, and provides a detailed implementation method and specific operation process, but the protection scope of the present invention is not limited to the following embodiments.

[0034] Figure 1 This is a structural diagram of connecting the operation and maintenance platform and the offshore foundation through a connecting device in an embodiment of the present utility model; Figure 2 for Figure 1 The left side view of the operation and maintenance platform and offshore foundation structure is shown.

[0035] The present invention provides a connection device, referring to Figure 1 and Figure 2The connecting device 3 includes: an installation component and a fitting 301; the installation component is used to connect the operation and maintenance platform 1; the fitting 301 is arranged on the installation component and is used to be fitted into the offshore foundation 2 to resist the lateral load of waves.

[0036] In some specific embodiments of the present invention, the engaging member 301 is arranged along the vertical direction.

[0037] In some specific embodiments, referring to Figure 1 and Figure 2 The embedding member 301 is moved to above the location to be embedded on the offshore foundation 2, and the embedding member 301 is embedded into the offshore foundation 2 from top to bottom by lowering the height of the embedding member 301.

[0038] In other specific embodiments, the embedding member 301 is moved to below the location of the offshore foundation 2 to be embedded, and the embedding member 301 is embedded into the offshore foundation 2 from bottom to top by raising the height of the embedding member 301.

[0039] Specifically, refer to Figure 1 and Figure 2 The connecting device 3 is arranged on the lower side of the upper deck 101 of the operation and maintenance platform 1, that is, on the side facing the horizontal plane. When the operation and maintenance platform 1 moves to the vicinity of the offshore foundation 2, the fitting 301 is raised and moved to above the column 201 on one side of the offshore foundation 2. By lowering the fitting 301, the fitting 301 is fitted into the column 201 of the offshore foundation 2.

[0040] Specifically, refer to Figure 1 and Figure 3 A fitted part 5 is provided on the top of the column 201 of the offshore foundation 2, and the fitting part 301 and the fitted part 5 are fitted into each other.

[0041] In some specific embodiments, the operation and maintenance platform 1 may be in the form of a ship, a semi-submersible platform, or a self-elevating platform, but the present invention is not limited thereto.

[0042] In some specific embodiments, the mounting assembly may include fasteners such as bolts, screws, nuts, and rivets, through which the fitting 301 is connected to the upper deck 101, interior, underside of the hull, or outside of the operation and maintenance platform 1.

[0043] In some specific embodiments, the installation component is disposed at an installation position on the operation and maintenance platform 1 and is connected to an end of the fitting 301 close to the installation position.

[0044] In some embodiments, the installation position on the operation and maintenance platform 1 can be the upper deck 101, the interior, the lower side of the hull, or the outer side of the hull of the operation and maintenance platform 1.

[0045] In some embodiments, by the fitting of the fitting part 301 and the offshore foundation 2, for example, the fitting part 301 includes a protruding part embedded in the offshore foundation 2, or the fitting part 301 includes a recessed part embedded in the offshore foundation 2, the inner side or the outer side of the fitting part is abutted against the offshore foundation 2, thereby forming a reaction force to resist the transverse load generated by the wave action, and the horizontal direction between the operation and maintenance platform 1 and the offshore foundation 2 is kept.

[0046] In some embodiments, after the fitting part 301 is fitted with the offshore foundation 2, the fitting part 301 further includes a top surface or a bottom surface abutting against the offshore foundation 2 from below or above, thereby forming a reaction force to resist the longitudinal load generated by the wave action, and the longitudinal height difference between the operation and maintenance platform 1 and the offshore foundation 2 is kept.

[0047] Figure 3 For Figure 1 The structural schematic view of the position where the connecting device is located is shown.

[0048] In some embodiments of the utility model, referring to Figure 3 The connecting device 3 further includes a support part 4, and the support part 4 is connected to the installation assembly (not marked in the figure) and the end of the fitting part 301 away from the installation assembly, respectively.

[0049] In some embodiments, referring to Figure 3 The support part 4 can be a columnar part, and the support part 4 includes two ends, one end of which is connected to the installation assembly, and the other end is connected to the end of the fitting part 301 away from the installation assembly.

[0050] In some embodiments, referring to Figure 3 The support part 4 is a linear columnar part, and the support part 4 is inclined to the surface of the installation position on the operation and maintenance platform 1.

[0051] In some embodiments of the utility model, referring to Figure 3 The plurality of support parts 4 are arranged around the fitting part 301.

[0052] In some embodiments, referring to Figure 3 The fitting part 301 is a cylindrical part, and the part to be fitted of the offshore foundation 2 is embedded in the cylindrical inner space of the fitting part 301.

[0053] In some embodiments, referring toFigure 3 The cross-sectional shape of the fitting member 301 is annular, and the connection positions between the plurality of support members 4 and the fitting member 301 are located around the end side of the fitting member 301.

[0054] In some embodiments of the utility model, with reference to Figure 2 and Figure 3 The connecting device 3 further comprises a fitted member 5, which is arranged on the column 201 of the offshore foundation 2.

[0055] In some embodiments, with reference to Figure 2 and Figure 3 The fitted member 5 is arranged on the top of the column 201 of the offshore foundation 2.

[0056] In some embodiments, the fitted member 5 comprises a columnar protrusion, and the fitting member 301 comprises a columnar groove. The fitting member 301 is moved above the top of any column 201 of the offshore foundation 2, and the fitting member 301 is sleeved on the fitted member 5 by lowering the height of the fitting member 301, so as to realize mutual fitting.

[0057] In some embodiments of the utility model, the fitting member 301 is movably arranged on the mounting assembly.

[0058] In some embodiments, the fitting member 301 is movably arranged on the mounting assembly through a mechanical mechanism, so as to realize free movement, such as translational motion or lifting motion, of the fitting member 301 at the mounting position of the operation and maintenance platform 1, and to realize flexible movement of the fitting member 301 above the position to be fitted on the offshore foundation 2.

[0059] In some embodiments of the utility model, with reference to Figure 3 The connecting device 3 further comprises a translation mechanism, which connects the mounting assembly and the fitting member 301. The translation mechanism is arranged in the horizontal direction and is used to drive the fitting member 301 to translate.

[0060] In some embodiments, the translation mechanism can be sliding type or roller type, and the utility model does not limit this.

[0061] In some embodiments, with reference to Figure 3 The track 6 of the translation mechanism is arranged below the lower edge of the upper deck 101 of the operation and maintenance platform 1 in a straight line, and the fitting member 301 moves in a straight line along the edge of the upper deck 101 of the operation and maintenance platform 1.

[0062] In some embodiments of the utility model, at least two fitting members 301 are connected to the translation mechanism.

[0063] In some embodiments, two of the chimeric pieces 301 are arranged on one track 6 of the translation mechanism.

[0064] For example, when the operation and maintenance platform 1 moves to the periphery of the offshore foundation 2, the distance between the two chimeric pieces 301 is adjusted according to the distance between the adjacent columns 201 of the offshore foundation 2, so that the chimeric pieces 301 are respectively embedded and connected with the columns 201 one by one.

[0065] In some embodiments, the connecting device 3 further comprises a lifting mechanism arranged on the mounting assembly and used to drive the chimeric pieces 301 to move in the vertical direction.

[0066] In some embodiments, the operation and maintenance platform 1, the mounting assembly, the translation mechanism and the chimeric pieces 301 are connected in sequence.

[0067] In some embodiments, the operation and maintenance platform 1, the mounting assembly, the translation mechanism and the chimeric pieces 301 are connected in sequence.

[0068] In some embodiments, the operation and maintenance platform 1, the mounting assembly, the translation mechanism, the lifting mechanism and the chimeric pieces 301 are connected in sequence.

[0069] In some embodiments, the lifting mechanism can be a mechanical mechanism powered by hydraulic pressure, air pressure or electricity, and its implementation is known to those skilled in the art, so it will not be described here.

[0070] In some embodiments, the chimeric piece 301 comprises a columnar protrusion or groove, the cross-sectional shape of the protrusion or groove can be circular or polygonal, and the end of the protrusion or groove is tapered.

[0071] In some embodiments, the chimeric piece 301 can be a columnar protrusion, the cross-sectional shape of the protrusion can be circular or polygonal, and the end of the protrusion has a tapered structure to facilitate embedding in the offshore foundation 2.

[0072] In some embodiments, referring to Figure 2 and Figure 3 , the chimeric piece 301 can be a columnar groove, the cross-sectional shape of the groove can be circular or polygonal, and the end of the groove has a tapered structure to facilitate embedding in the offshore foundation 2.

[0073] In some embodiments, referring to Figure 2 and Figure 3The embedded part 301 can be a protrusion or a groove matched with the embedded part 5, the embedded part 301 is embedded with the embedded part 5.

[0074] In some embodiments of the utility platform 1, one side of the utility platform 1 is further provided with a crane 7.

[0075] The utility model embodiment provides a kind of connecting method of utility platform 1 and offshore foundation 2, comprising the following steps:

[0076] S01: the ballast of utility platform 1 is adjusted to improve the height of embedded part 301;

[0077] S02: the embedded part 301 is moved to the above of the place to be embedded on offshore foundation 2;

[0078] S03: the ballast of utility platform 1 is adjusted, so that the embedded part 301 is embedded in offshore foundation 2.

[0079] In some embodiments, the ballast of the utility platform 1 can be adjusted by changing the water amount of ballast tank.

[0080] In another embodiment, the height of the embedded part 301 can be adjusted by the lifting mechanism.

[0081] In some embodiments, the embedded part 301 is moved to the above of the place to be embedded on offshore foundation 2, which can be achieved by towing the utility platform 1 or self-propelled.

[0082] It should be noted that the steps and principles of the connecting method of utility platform 1 and offshore foundation 2 provided by the embodiments of the utility model correspond to the structure and principles of the above-mentioned connecting device 3 one by one, so this will not be repeated here.

[0083] The offshore foundation 2 provided by the embodiments of the utility model comprises a column 201 and an embedded part 5.

[0084] The utility platform 1 provided by the embodiments of the utility model comprises the above-mentioned connecting device 3.

[0085] The above detailed the preferred embodiments of the utility model. It should be understood that those skilled in the art can make many modifications and changes without creative labor according to the concept of the utility model. Therefore, any technical solution obtained by logical analysis, reasoning or limited experiment based on the existing technology according to the concept of the utility model should be within the protection scope determined by the claims.

Claims

1. A connection device, characterized in that The offshore foundation comprises: a mounting assembly comprising a fastener for connecting an operation and maintenance platform (1); a fitting member (301) movably arranged on the mounting assembly; the fitting member (301) comprises a cylindrical protrusion or groove for fitting into the offshore foundation (2); the inner side or outer side of the fitting part abuts against the offshore foundation (2), thereby forming a reaction force to resist the lateral load of waves; a support member (4) connected to the mounting assembly and the end of the fitting member (301) away from the mounting assembly, respectively; a plurality of support members (4) are arranged around the fitting member (301).

2. The connection device according to claim 1, characterized in that Further comprising a translation mechanism connected to the mounting assembly and the fitting member (301), wherein the translation mechanism is arranged in a horizontal direction for driving the fitting member (301) to translate.

3. The connection device according to claim 2, characterized in that At least two fitting members (301) are connected to the translation mechanism.

4. The connection device of claim 1, wherein Further comprising a lifting mechanism arranged on the mounting assembly for driving the fitting member (301) to move in a vertical direction.

5. The connection device of claim 1, wherein The fitting member (301) comprises a cylindrical protrusion or groove, the cross-sectional shape of the protrusion or groove is circular or polygonal, and the end of the protrusion or groove is tapered.

6. An offshore foundation, characterized in that The offshore foundation comprises: a column (201); a fitted member (5) arranged on the column (201) for fitting with the fitting member (301).

7. The offshore foundation according to claim 6, wherein at least two fitted members (5) are arranged on adjacent columns (201), respectively.

8. An operation and maintenance platform, characterized in that, The offshore foundation comprises the connecting device (3) according to any one of claims 1 to 5.

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