Inhaul cable platform for offshore wind turbine

Abstract

The utility model provides an inhaul cable platform for an offshore wind turbine. The inhaul cable platform comprises a main platform, a first inhaul cable assembly and a second inhaul cable assembly. The main platform is provided with a first end and a second end, the first inhaul cable assembly and the second inhaul cable assembly are connected with the two sides of the first end respectively, the second end is provided with a hinge mechanism, and the hinge mechanism is fixedly connected with a fan and used for adjusting the pitching angle of the main platform. Each of the first inhaul cable assembly and the second inhaul cable assembly comprises a power unit, a steel wire rope and an on-tower support, the power units are fixedly arranged on the main platform, the on-tower supports are arranged in a fan cabin, and the steel wire ropes are connected with the power units and the on-tower supports; the platform is adjusted to be horizontal by tensioning or releasing the steel wire rope through the power unit of the inhaul cable assembly. According to the inhaul cable platform for the offshore wind turbine, the inhaul cable assembly is arranged, the power unit of the inhaul cable assembly is used for tensioning or releasing the steel wire rope to adjust the platform to be horizontal, the platform is attached to the wind turbine and is not affected by ships or sea waves, and the hoisting process is more stable.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the field of wind power generation technology, especially relate to a cable platform for offshore wind turbine. BACKGROUND

[0002] With the increasing of wind turbine installed capacity and the increasing of wind turbine service life year by year, the wind turbine needs to replace parts, especially needs to replace blades. The transportation and installation of offshore wind turbine need to rely on the support leg ship, and the use cost of the support leg ship is high.

[0003] Therefore, it is necessary to provide a cable platform for offshore wind turbine to solve the above problems. CONTENT OF UTILITY MODEL

[0004] The utility model provides a cable platform for offshore wind turbine sets up cable assembly, through the power unit of cable assembly tight or release wire rope adjustment platform level, make hoisting process more stable.

[0005] In order to achieve the above object, the utility model provides the following technical scheme.

[0006] A cable platform for offshore wind turbine, including main platform, first cable assembly and second cable assembly;

[0007] The main platform has a first end and a second end, the first cable assembly and the second cable assembly are connected to the two sides of the first end respectively, the second end is provided with a hinge mechanism, and the hinge mechanism is fixedly connected with the wind turbine to adjust the pitch angle of the main platform.

[0008] The first cable assembly and the second cable assembly all include a power unit, a steel wire rope and a tower support, the power unit is fixedly arranged on the main platform, the tower support is arranged on the wind turbine cabin, and the steel wire rope is connected with the power unit and the tower support;The power unit tightens or releases the steel wire rope according to the requirement of offshore operation and adjusts the main platform to be parallel to the horizontal plane.

[0009] Preferably, the first cable assembly and the second cable assembly all include a first pulley group and a second pulley group, the first pulley group is arranged on the tower support, the second pulley group is arranged on one side of the first end, one end of the steel wire rope is connected with the power unit, and the other end passes through the first pulley group and is connected with the second pulley group.

[0010] Preferably, the first pulley group includes a first pulley, the second pulley group includes a second pulley, one end of the steel wire rope is connected with the power unit, and the other end passes through the first pulley and is connected with the second pulley.

[0011] Preferably, the first pulley block comprises a plurality of first pulleys, the second pulley block comprises a plurality of second pulleys, and the steel wire rope is connected to the power unit at one end and connected to the first pulley or the second pulley after being wound around the first pulley and the second pulley multiple times at the other end.

[0012] Preferably, the first end of the main platform is provided with a first expansion interface for connecting an expansion platform.

[0013] Preferably, the expansion platform is at least one, the expansion platform has a third end and a fourth end, the third end and the fourth end are respectively provided with a second expansion interface and a third expansion interface, the second expansion interface and the first expansion interface are the same structure, and the third expansion interface and the first expansion interface are connected in cooperation.

[0014] Preferably, the expansion platform is connected with a third cable assembly and a fourth cable assembly, and the third cable assembly and the fourth cable assembly are respectively connected to the two sides of the third end.

[0015] Preferably, the hinge mechanism is fixed to the tower lower structure of the wind turbine through a fixing block.

[0016] Preferably, the hinge mechanism comprises a bearing connection structure or a hinge connection structure.

[0017] Preferably, the power unit is a winch or a winch.

[0018] Compared with the prior art, the technical scheme of the embodiment of the utility model has the following beneficial effects:

[0019] The utility model provides a cable platform for offshore wind turbine, including main platform, first cable assembly and second cable assembly, main platform has first end and second end, first cable assembly and second cable assembly are connected to the two sides of first end respectively, and second end is provided with hinge mechanism, hinge mechanism is fixedly connected with wind turbine and is used for adjusting the pitch angle of main platform, first cable assembly and second cable assembly all include power unit, steel wire rope and tower support, power unit is fixedly arranged in main platform, and tower support is arranged in wind turbine cabin, and steel wire rope is connected power unit and tower support, the power unit of cable assembly is used for tightening or releasing steel wire rope, and the platform level is adjusted, the platform is attached to the wind turbine, is not affected by ship or sea wave etc.

[0020] Further, the first pulley block comprises a plurality of first pulleys, the second pulley block comprises a plurality of second pulleys, the steel wire rope is connected to the power unit at one end and connected to the first pulley or the second pulley after being wound around the first pulley and the second pulley multiple times at the other end, the load of the steel wire rope is reduced, the safety is improved, and the service life of the steel wire rope is improved.

[0021] Further, the first end of the main platform is provided with a first expansion interface, the first expansion interface is used for connecting an expansion platform, so as to realize expansion connection of multiple platforms, and multiple platforms are stacked and placed when not in the offshore operation state, so as to facilitate transportation. BRIEF DESCRIPTION OF DRAWINGS

[0022] Figure 1 is a structural schematic view of the cable platform for the offshore wind turbine in the embodiment of the utility model;

[0023] Figure 2 is a partial structural schematic view of the main platform in the embodiment of the utility model;

[0024] Figure 3 is another partial structural schematic view of the main platform in the embodiment of the utility model;

[0025] Figure 4 is a schematic view of tower upper support installation in the embodiment of the utility model;

[0026] Figure 5 is a structural schematic view of the cable platform for the offshore wind turbine in another embodiment of the utility model.

[0027] BRIEF DESCRIPTION OF DRAWINGS

[0028] 1, wind turbine; 11, tower lower structure; 12, cabin;

[0029] 2, main platform; 21, first end; 22, second end; 23, hinged mechanism; 24, first expansion interface; 25, fixed block;

[0030] 3, first cable assembly; 31, power unit; 32, steel wire rope; 33, tower upper support; 34, first pulley block; 35, second pulley block;

[0031] 4, second cable assembly; 41, power unit; 42, steel wire rope; 43, tower upper support; 44, first pulley block; 45, second pulley block;

[0032] 5, expansion platform; 51, third end; 52, fourth end; 53, second expansion interface; 54, third expansion interface;

[0033] 6, third cable assembly;

[0034] 7, fourth cable assembly;

[0035] 8, winch;

[0036] 9, tower upper crane. DETAILED DESCRIPTION

[0037] In order to make the purpose, characteristics and beneficial effects of the utility model more obvious and easy to understand, the specific embodiments of the utility model are described in detail below in combination with the drawings. It can be understood that the specific embodiments described below are only used to explain the utility model, and are not a limitation on the utility model. In addition, the same or similar reference signs can be used to refer to the same or similar elements in different embodiments in the drawings, and the description of the same or similar elements in different embodiments and the description of prior art elements, characteristics, effects and the like can be omitted.

[0038] Referring to Figures 1 to 5 The utility model embodiment provides a kind of for offshore wind turbine cable platform, it includes main platform 2, first cable assembly 3 and second cable assembly 4;

[0039] Main platform 2 has first end 21 and second end 22, first cable assembly 3 and second cable assembly 4 are connected to the two sides of first end 21 respectively, second end 22 is provided with hinged mechanism 23, hinged mechanism 23 is fixedly connected with wind turbine 1, to adjust the pitch angle of main platform 2;

[0040] First cable assembly 3 and second cable assembly 4 all include power unit 31,41, steel wire rope 32,42 and tower support 33,43, power unit 31,41 is fixedly set in main platform 2, tower support 33,43 is set in wind turbine 1 cabin 12, steel wire rope 32,42 connects power unit 31,41 and tower support 33,43;Power unit 31,41 according to the requirement of offshore operation tightens or releases steel wire rope 32,42 and adjusts main platform 2 to be parallel with horizontal plane.

[0041] In some embodiments, first cable assembly 3 and second cable assembly 4 all include first pulley block 34,44 and second pulley block 35,45, first pulley block 34,44 is set in tower support 33,43, second pulley block 35,45 is set in one side of first end 21, one end of steel wire rope 32,42 is connected with power unit 31,41, and the other end is connected with second pulley block 35,45 by first pulley block 34,44.

[0042] In some embodiments, first pulley block 34,44 includes a first pulley, and second pulley block 35,45 includes a second pulley, one end of steel wire rope 32,42 is connected with power unit 31,41, and the other end is connected with second pulley by first pulley.

[0043] In some embodiments, the first pulley set 34, 44 comprises a plurality of first pulleys, the second pulley set 35, 45 comprises a plurality of second pulleys, the steel wire rope 32, 42 is connected to the power unit 31, 41 at one end and connected to the first pulley or the second pulley after winding around the first pulley and the second pulley multiple times at the other end; the load of the steel wire rope 32, 42 is reduced, the safety is improved, and the service life of the steel wire rope 32, 42 is improved.

[0044] In some embodiments, the first end 21 of the main platform 2 is provided with a first expansion interface 24, and the first expansion interface 24 is used to connect the expansion platform 5.

[0045] In some embodiments, the expansion platform 5 is at least one, the expansion platform 5 has a third end 51 and a fourth end 52, the third end 51 and the fourth end 52 are respectively provided with a second expansion interface 53 and a third expansion interface 54, the second expansion interface 53 and the first expansion interface 24 are the same structure, and the third expansion interface 54 and the first expansion interface 24 are connected in cooperation.

[0046] Specifically, the third expansion interface 54 and the first expansion interface 24 are hinged.

[0047] In some embodiments, the expansion platform 5 is connected with a third cable assembly 6 and a fourth cable assembly 7, and the third cable assembly 6 and the fourth cable assembly 7 are respectively connected to the two sides of the third end 51. The third cable assembly 6 and the fourth cable assembly 7 are completely the same structure as the first cable assembly 3 and the second cable assembly 4, and details are not repeated here, so as to adjust the angle of the expansion platform 5 to be parallel to the horizontal plane.

[0048] In some embodiments, the hinge mechanism 23 is fixed on the tower lower structure 11 of the wind turbine 1 through the fixing block 25.

[0049] In some embodiments, the hinge mechanism 23 comprises a bearing connection structure or a hinge connection structure.

[0050] In some embodiments, the power unit 31, 41 is a winch or a winch.

[0051] Specifically, the load and the winch 8 are placed on the main platform 2, and the winch 8 is used to drive the tower crane 9 installed on the wind turbine 1 to hoist the load.

[0052] In summary, the utility model provides a cable platform for offshore wind turbine, including main platform 2, first cable assembly 3 and second cable assembly 4, main platform 2 has first end 21 and second end 22, first cable assembly 3 and second cable assembly 4 are connected to both sides of first end 21 respectively, second end 22 is provided with hinged mechanism 23, hinged mechanism 23 is fixedly connected with wind turbine 1, to adjust the pitch angle of main platform 2, first cable assembly 3 and second cable assembly 4 all include power unit 31, 41, steel wire rope 32, 42 and tower support 33, 43, power unit 31, 41 is fixedly arranged on main platform 2, tower support 33, 43 is arranged on wind turbine 1 cabin 12, steel wire rope 32, 42 connects power unit 31, 41 and tower support 33, 43, power unit 31, 41 according to the requirement of offshore operation tightens or releases steel wire rope 32, 42 and adjusts main platform 2 to be parallel with horizontal plane, adjusts platform level through the power unit 31, 41 of cable assembly tightens or releases steel wire rope 32, 42, platform is attached to wind turbine 1, is not influenced by ship or sea wave etc., makes tower crane 9 hoist load and installs component time stable safe and efficient,

[0053] Further, the first pulley block 34, 44 includes a plurality of first pulleys, the second pulley block 35, 45 includes a plurality of second pulleys, the steel wire rope 32, 42 is connected to the power unit 31, 41 at one end and connected to the first pulley or the second pulley after winding around the first pulley and the second pulley multiple times at the other end, thereby reducing the load of the steel wire rope 32, 42, improving safety, and prolonging the service life of the steel wire rope 32, 42.

[0054] Further, the first end 21 of the main platform 2 is provided with a first expansion interface 24, the first expansion interface 24 is used for connecting an expansion platform 5, thereby realizing the expansion connection of multiple platforms, and the multiple platforms are stacked and placed when not in the offshore operation state, so as to facilitate transportation.

[0055] Although specific embodiments have been described above, these embodiments are not intended to limit the scope of the present disclosure, even if a single embodiment is described with respect to a particular feature. The feature examples provided in the present disclosure are intended to be illustrative, not limiting, unless otherwise specified. In specific implementations, one or more technical features of a dependent claim can be combined with technical features of an independent claim, and technical features can be derived from corresponding independent claims by any appropriate means rather than only by the specific combinations listed in the claims.

Claims

1. A catenary platform for an offshore wind turbine, characterized in that, The main platform, the first cable assembly and the second cable assembly; The main platform has a first end and a second end, the first cable assembly and the second cable assembly are respectively connected to both sides of the first end, the second end is provided with a hinge mechanism, the hinge mechanism is fixedly connected with the wind turbine to adjust the pitch angle of the main platform; The first cable assembly and the second cable assembly each include a power unit, a steel wire rope and a tower top support, the power unit is fixedly arranged on the main platform, the tower top support is arranged on the wind turbine cabin, and the steel wire rope connects the power unit and the tower top support; The power unit tightens or releases the steel wire rope according to the requirements of offshore operations to adjust the main platform to be parallel to the horizontal plane.

2. The catenary platform for offshore wind turbines according to claim 1, characterized in that, The first cable assembly and the second cable assembly each include a first pulley block and a second pulley block, the first pulley block is arranged on the tower top support, the second pulley block is arranged on one side of the first end, one end of the steel wire rope is connected to the power unit, and the other end of the steel wire rope passes through the first pulley block and is connected to the second pulley block.

3. The catenary platform for offshore wind turbines according to claim 2, characterized in that, The first pulley block includes a first pulley, the second pulley block includes a second pulley, one end of the steel wire rope is connected to the power unit, and the other end of the steel wire rope passes through the first pulley and is connected to the second pulley.

4. The catenary platform for offshore wind turbines according to claim 2, characterized in that, The first pulley block includes a plurality of first pulleys, the second pulley block includes a plurality of second pulleys, one end of the steel wire rope is connected to the power unit, and the other end of the steel wire rope passes through the first pulleys and the second pulleys multiple times and is connected to the first pulleys or the second pulleys.

5. The guyed platform for offshore wind turbines according to claim 1, characterized in that, The first end of the main platform is provided with a first expansion interface, and the first expansion interface is used for connecting an expansion platform.

6. The catenary platform for offshore wind turbines according to claim 5, characterized in that, The expansion platform is at least one, the expansion platform has a third end and a fourth end, the third end and the fourth end are respectively provided with a second expansion interface and a third expansion interface, the second expansion interface and the first expansion interface are the same structure, and the third expansion interface and the first expansion interface are connected in cooperation.

7. The guyed platform for offshore wind turbines according to claim 6, characterized in that The expansion platform is connected with a third cable assembly and a fourth cable assembly, the third cable assembly and the fourth cable assembly are respectively connected to both sides of the third end.

8. The guyed platform for offshore wind turbines according to claim 1, characterized in that The hinge mechanism is fixed on the tower lower structure of the wind turbine through a fixing block.

9. The guyed platform for offshore wind turbines according to claim 1, characterized in that The hinge mechanism includes a bearing connection structure or a hinge connection structure.

10. The guyed platform for offshore wind turbines according to claim 1, characterized in that, The power unit is a winch or a winch.

Images