Offshore wind power construction hoisting equipment

Abstract

The invention discloses offshore wind power construction hoisting equipment, and relates to the field of offshore wind turbine hoisting, the offshore wind power construction hoisting equipment comprises a hanging bracket, the hanging bracket is mounted on a platform, the hanging bracket is connected with a first winding wheel and two groups of first pulling ropes, the two groups of first pulling ropes are jointly connected with a swing arm, the top of the swing arm is connected with a workbench, and the workbench is connected with a second winding wheel. The workbench is rotationally connected with the swing arm and always keeps horizontal, the workbench is connected with a hoisting part, the hoisting part comprises an upper-layer hoisting assembly, a middle-layer fixing assembly and a lower-layer positioning assembly, and the lower-layer positioning assembly is connected to the bottom of a fixing rod and connected with an adjusting assembly for adjusting a wind turbine. The adjusting assembly is used for adjusting the hoisting state of the wind turbine and controlling the wind turbine to rotate. The hoisting device has the advantages that the upper part, the middle part and the lower part of the wind turbine are positioned and fixed, so that the whole wind turbine is stably hoisted, the overall inclination angle and the rotation angle of the wind turbine can be adjusted, and the mounting efficiency is improved.

Description

Technical Field

[0001] The present invention relates to the field of offshore wind turbine hoisting, and particularly to an offshore wind power construction hoisting device. Background Art

[0002] At present, offshore wind turbines are mainly installed through hoisting devices. The installation methods mainly include split installation and integral installation. In integral installation, after the wind turbine is assembled on an offshore platform or on land, the whole wind turbine is transported to the predetermined sea area, and then the wind turbine is directly installed on the installation base. The advantage is that the offshore operation time is shorter.

[0003] In the prior art, large offshore crane ships with double hooks are mostly used. During the hoisting process, the assembled wind turbine is easily affected by the wind and the swaying of the hull, resulting in large swaying during the installation process of the wind turbine. And when installing the wind turbine on the installation base, it is impossible to adjust according to the current state of the wind turbine, making the installation process more difficult. Moreover, when adjusting the wind turbine through a set adjustment structure, the general adjustment position is located in its lower part, while the hoisting position is in its upper middle part. There are also certain problems in ensuring the stability of the wind turbine during adjustment. Based on this, the present invention designs an offshore wind power construction hoisting device. Summary of the Invention

[0004] The purpose of the present invention is to solve the problems in the prior art, and a proposed offshore wind power construction hoisting device is provided.

[0005] An offshore wind power construction hoisting device for hoisting a wind turbine, the wind turbine including a fixed rod, a chassis, a rotating shaft and a wind wheel, the device comprising: A suspension bracket, the suspension bracket is installed on a platform, the suspension bracket is connected with a first wire reel and two groups of first traction ropes, each of the two groups of first traction ropes is connected with a connecting wheel, the two connecting wheels are connected with a workbench, the workbench is connected with and rotatably connected to a swing arm, the other end of the swing arm is rotatably connected to the platform, the workbench is connected with a spirit level and always maintains a horizontal state, the workbench is connected with a hoisting part, and the hoisting part includes: An upper hoisting assembly, the upper hoisting assembly including a pair of hooks; A middle fixing assembly, the middle fixing assembly including a fixing table, the fixing table is installed in the middle of the fixed rod, a pair of hanging ports corresponding to the positions of the pair of hooks are symmetrically arranged on the top of the fixing table, and the hanging ports are fixed to the top of the fixing table through multiple strands of ropes; A lower positioning assembly, the lower positioning assembly is connected to the bottom of the fixed rod and is connected with an adjustment assembly for adjusting the fixed rod, and the adjustment assembly is used for adjusting the hoisting state of the wind turbine and controlling the rotation of the wind turbine; The upper hoisting assembly further includes two connecting platforms, which are respectively connected to the ends of a corresponding set of traction ropes I. Each connecting platform is provided with a guiding part slidably connected to the workbench. A limiting assembly is arranged at the bottom of the workbench. The limiting assembly limits the top part of the wind turbine and enables the top of the wind turbine to have a movable space, and the limiting assembly allows the wind turbine to disengage from it only when the wind turbine is in a vertical state.

[0006] In the above-mentioned offshore wind power construction hoisting equipment, a ring-shaped sleeve I is connected in the fixed platform, and the sleeve I is fixed to a threaded hole opened in the middle of the fixed rod through a plurality of bolts I arranged in a ring shape.

[0007] In the above-mentioned offshore wind power construction hoisting equipment, the lower positioning assembly includes a positioning platform, which is connected to the bottom of the fixed platform through a plurality of traction ropes II. The positioning platform is connected to the lower part of the fixed rod through a sleeve II, and the sleeve II is fixed to a threaded hole opened in the lower part of the fixed rod through a plurality of bolts II.

[0008] In the above-mentioned offshore wind power construction hoisting equipment, the adjusting assembly includes four traction ropes III, which are respectively located at the four corner positions of the positioning platform. The two traction ropes III located on the front side are respectively connected with wire winding wheels and are connected to the wire winding wheel II through the wire winding wheels. The two traction ropes III located on the rear side are connected to the wire winding wheel III. The wire winding wheel is connected with a moving part, and both the wire winding wheel II and the wire winding wheel III are connected with rotating motors.

[0009] In the above-mentioned offshore wind power construction hoisting equipment, the moving part includes a hydraulic cylinder. The fixed end of the hydraulic cylinder is installed on the platform, and the movable end of the hydraulic cylinder is connected to the wire winding wheel.

[0010] In the above-mentioned offshore wind power construction hoisting equipment, the limiting assembly includes a disc fixed to the bottom of the workbench. A circular groove is opened in the disc, and a limiting shaft is coaxially arranged in the circular groove. The limiting shaft is fixed to the top of the chassis. A guiding rod is fixedly connected to the inner bottom of the circular groove, and the guiding rod is inserted into a T-shaped groove opened at the top of the limiting shaft. The T-shaped groove has an upper part and a lower part. The diameter of the upper part is smaller than that of the lower part. A sphere is fixedly connected to one end of the guiding rod located in the T-shaped groove. The sphere has the same diameter as the upper part of the T-shaped groove. A guiding ring with a conical structure is arranged at the connection between the upper part and the lower part of the T-shaped groove. The inner wall of the lower part is abutted against the outer wall of the sphere through a plurality of springs arranged in a ring shape.

[0011] In the above-mentioned offshore wind power construction hoisting equipment, the guiding part includes a clamping plate and a buckling plate. The buckling plate is provided with a sliding groove for the clamping plate to slide. The clamping plate is fixed to the side surface of the connecting platform, and the buckling plate is fixed to the workbench.

[0012] Compared with the existing technology, the advantages of the present invention are as follows: 1. When the present invention is in use, the hoisting part includes an upper hoisting assembly, a middle fixing assembly, and a lower positioning assembly. By positioning and fixing the upper, middle, and lower parts of the wind turbine, stable hoisting of the assembled wind power can be achieved. Among them, the limiting assembly on the upper side can, on the one hand, ensure that the fixing rod in the wind turbine can always maintain the function of allowing the top of the wind turbine to be movable and limited when adjusted at the lower side, and on the other hand, can make the equipment have the function of being locked and unable to disengage when the wind turbine is adjusted. Only when the wind turbine is in a vertical state can the limiting assembly be disengaged from the wind turbine, thereby ensuring the installation effect of the wind turbine.

[0013] 2. During the use of the present invention, the lower positioning assembly is also connected with an adjustment assembly. Through the adjustment assembly, the overall tilt angle and rotation angle of the wind turbine can be adjusted. This can avoid the problem that the wind turbine tilts or makes small rotations due to the influence of wind and waves when assembling with the installation base, facilitating real-time adjustment during installation and improving the installation efficiency. At the same time, when transporting the whole machine at sea, the adjustment assembly can control the wind turbine to be in an outward swing state, thus avoiding the safety hazard caused by the wind turbine being too close to the swing arm. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a schematic structural diagram of a sea wind power construction hoisting device proposed by the present invention.

[0015] Figure 2 It is a schematic structural diagram of the rear side of a sea wind power construction hoisting device proposed by the present invention.

[0016] Figure 3 It is a schematic structural diagram of the upper hoisting assembly of a sea wind power construction hoisting device proposed by the present invention.

[0017] Figure 4 It is a schematic structural diagram of the workbench of a sea wind power construction hoisting device proposed by the present invention Figure 5 It is a schematic structural diagram of the middle fixing assembly of a sea wind power construction hoisting device proposed by the present invention.

[0018] Figure 6 It is a schematic structural diagram of the lower positioning assembly of a sea wind power construction hoisting device proposed by the present invention.

[0019] Figure 7 It is a schematic structural diagram of the adjustment assembly of a sea wind power construction hoisting device proposed by the present invention.

[0020] Figure 8Schematic structural diagram of a limit component in a hoisting device for offshore wind power construction proposed by the present invention.

[0021] Figure 9 For Figure 8 Enlarged schematic diagram of part A in

[0022] Figure 10 Schematic structural diagram of a wind turbine in a hoisting device for offshore wind power construction proposed by the present invention In the figure: 1 hanging frame, 101 platform, 102 first wire reel, 103 first towing rope, 104 swing arm, 105 workbench, 106 connecting wheel, 2 upper hoisting component, 21 hook, 22 connecting platform, 23 guiding part, 3 wind turbine, 31 fixed rod, 32 chassis, 33 rotating shaft, 34 wind wheel, 4 middle layer fixing component, 41 fixing platform, 42 hanging port, 43 first shaft sleeve, 44 first bolt, 5 lower layer positioning component, 51 positioning platform, 52 second towing rope, 53 second shaft sleeve, 54 second bolt, 6 adjusting component, 61 third towing rope, 62 wire winding wheel, 63 second wire reel, 64 third wire reel, 7 limit component, 71 disc, 72 circular groove, 73 limiting shaft, 74 guiding rod, 75 T-shaped groove, 76 sphere, 77 guiding ring, 78 spring, 8 moving part, 81 hydraulic cylinder, 9 buffer platform. Specific embodiments

[0023] Referring to Figures 1 to 10 , a hoisting device for offshore wind power construction, used for hoisting the wind turbine 3, the wind turbine 3 includes a fixed rod 31, a chassis 32, a rotating shaft 33 and a wind wheel 34, and the device includes: A hanging frame 1, the hanging frame is installed on the platform 101, the hanging frame 1 is connected with a first wire reel 102 and two groups of first towing ropes 103, the two groups of first towing ropes 103 are jointly connected with a swing arm 104, the top of the swing arm 104 is connected with a workbench 105, the workbench 105 is rotatably connected with the swing arm 104 and always remains horizontal, and the workbench 105 is connected with a hoisting part, and the hoisting part includes: An upper hoisting component 2, the upper hoisting component 2 includes a pair of hooks 21; A middle layer fixing component 4, the middle layer fixing component 4 includes a fixing platform 41, the fixing platform 41 is installed in the middle of the fixed rod 31, a pair of hanging ports 42 corresponding to the positions of the pair of hooks 21 are symmetrically arranged on the top of the fixing platform 41, the hanging ports 42 are fixed to the top of the fixing platform 41 through multiple strands of ropes, and the hoisting work of the wind turbine 3 is realized through the cooperation of the hooks 21 and the hanging ports 42; The lower positioning component 5 is connected to the bottom of the fixed rod 31 and is connected with an adjusting component 6 for the wind turbine 3. The adjusting component 6 is used to adjust the hoisting state of the wind turbine 3 and control the rotation of the wind turbine 3. By means of the adjusting component 6, the overall tilt angle and rotation angle of the wind turbine 3 can be adjusted. In this way, when the wind turbine 3 is assembled with the installation base, the problem that the wind turbine 3 is tilted or slightly rotated due to the influence of wind force and sea waves can be avoided, which is convenient for real-time adjustment during installation and improves the installation efficiency. At the same time, when the whole machine is transported at sea, the adjusting component 6 can control the wind turbine 3 to be in a tilted and outward-swing state, avoiding the problem that the distance between the wind turbine 3 and the swing arm 104 is too close, thus causing potential safety hazards.

[0024] The upper hoisting component 2 further includes two connecting platforms 22 which are respectively connected to the ends of a corresponding set of traction ropes one 103. Each connecting platform 22 is provided with a guiding part 23 slidably connected to the workbench 105. The moving track of the connecting platform 22 is controlled by the guiding part 23 to reduce the sway of the two hooks 21 during hoisting. A limiting component 7 is arranged at the bottom of the workbench 105 to limit the top part of the chassis 32. A circular sleeve one 43 is connected in the fixed platform 41 and is fixed to the threaded hole opened in the middle of the fixed rod 31 through a plurality of bolts arranged in a circular shape.

[0025] The lower positioning component 5 includes a positioning platform 51 which is connected to the bottom of the fixed platform 41 through a plurality of traction ropes two 52. The positioning platform 51 is connected to the lower part of the fixed rod 31 through a sleeve two 53, and the sleeve two 53 is fixed to the threaded hole opened in the lower part of the fixed rod 31 through a plurality of bolts.

[0026] The adjusting component 6 includes four traction ropes three 61 which are respectively located at the four corner positions of the positioning platform 51. The two traction ropes three 61 at the front side are respectively connected with a wire winding wheel 62 and are connected to a wire reel two 63 through the wire winding wheel 62. The two traction ropes three 61 at the rear side are connected to a wire reel three 64. The wire winding wheel 62 is connected with a moving part 8. Both the wire reel two 63 and the wire reel three 64 are connected with rotating motors. The moving part 8 includes a hydraulic cylinder 81. The fixed end of the hydraulic cylinder 81 is installed on the platform 101, and the movable end of the hydraulic cylinder 81 is connected with the wire winding wheel 62.

[0027] The limiting component 7 includes a disc 71 fixed to the bottom of the workbench 105. A circular groove 72 is formed in the disc 71. A limiting shaft 73 is coaxially arranged in the circular groove 72. The limiting shaft 73 is fixed to the top of the chassis 32. A guide rod 74 is fixedly connected to the inner bottom of the circular groove 72. The guide rod 74 is inserted into a T-shaped groove 75 formed at the top of the limiting shaft 73. The T-shaped groove 75 has an upper part and a lower part. The diameter of the upper part is smaller than that of the lower part. One end of the guide rod 74 located in the T-shaped groove 75 is fixedly connected with a sphere 76. The sphere 76 is arranged with the same diameter as the upper part of the T-shaped groove 75. A guiding ring 77 with a conical structure is arranged at the connection of the upper part and the lower part of the T-shaped groove 75. The inner wall of the lower part abuts against the outer wall of the sphere 76 through a plurality of annularly arranged springs 78. Among them, the position defined by the limiting component 7 is in the T-shaped groove 75. The adjustability of the top position of the wind turbine 3 is realized through the characteristics of the sphere 76. Therefore, it adapts to the angle adjustment of the wind turbine 3, so that the upper end of the wind turbine 3 always remains in a stable state under the transportation conditions of different angles of the wind turbine 3. Among them, in the limiting component 7, since the sphere 76 is arranged with the same diameter as the upper part of the T-shaped groove 75, and the T-shaped groove 75 is fixed to the top of the chassis 32 through the limiting shaft 73, the sphere 76 is allowed to pass through the T-shaped groove 75 only when the guide rod 74 connected to the sphere 76 remains vertical. In this way, it also realizes that when adjusting the angle and position of the wind turbine 3, the upper part thereof always remains in a locked state. This can improve the safety and stability of the transportation of the wind turbine 3. At the same time, it can also improve the installation accuracy of the wind turbine 3 during installation and extend the service life of the wind turbine 3.

[0028] When the present invention is in use, it is hoisted by the upper hoisting component 2. Among them, the middle-layer fixing component 4 fixes the middle part of the fixing rod 31. Then, two hanging ports 42 at the top of the middle-layer fixing component 4 are connected to two hooks 21 at the bottom of the upper hoisting component 2 to realize the hoisting work of hoisting the wind turbine 3. Then, the lower positioning component 5 is used for limiting at the bottom of the fixing rod 31 to keep the wind turbine 3 stable.

[0029] When it is necessary to adjust the hoisting angle of the wind turbine 3, the positioning table 51 in the lower positioning assembly 5 is driven by the adjusting assembly 6 to adjust its angle and position. Among them, when it is necessary to adjust the position, two wire winding wheels three 64 are driven to make the positioning table 51 move towards the platform 101. The positioning table 51 can be driven by the hydraulic cylinder 81 and the wire winding wheel two 64 to move away from the platform 101. When it is necessary to adjust the angle, the rotation in two directions can be achieved by controlling one wire winding wheel two 63 and one wire winding wheel three 64 on the opposite side, and the rotation amplitude can be adjusted by the hydraulic cylinder 81, so that the angle of the wind turbine 3 can be adjusted during overall transportation. It can be used for obstacle avoidance and solve the problems that the wind turbine 3 tilts or rotates slightly due to the influence of wind and waves when assembling the wind turbine 3 with the installation base, and facilitate real-time adjustment during installation, improving the installation efficiency. At the same time, when transporting the whole machine at sea, the wind turbine 3 is controlled to be in an outward swing state to avoid the risk of the wind turbine 3 being too close to the swing arm 104, causing potential safety hazards.

[0030] As is known to those skilled in the art, the present invention can be implemented by other embodiments that do not depart from its spirit or essential features. Therefore, the above-disclosed embodiments are illustrative in all aspects and not exclusive. All changes within the scope of the present invention or within the scope equivalent to the present invention are encompassed by the present invention.

Claims

1. An offshore wind power construction hoisting device, characterized in that, For hoisting a wind turbine (3), the wind turbine (3) includes a fixed rod (31), a chassis (32), a rotating shaft (33) and a wind wheel (34), and the device includes: A hanging bracket (1), the hanging bracket is installed on a platform (101), the hanging bracket (1) is connected with a first wire reel (102) and two groups of first traction ropes (103), each of the two groups of first traction ropes (103) is connected with a connecting wheel (106), the two connecting wheels (106) are connected with a workbench (105), the workbench (105) is connected with and rotatably connected to a swing arm (104), the other end of the swing arm (104) is rotatably connected to the platform (101), the workbench (105) is connected with a level and always remains in a horizontal state, the workbench (105) is connected with a hoisting part, and the hoisting part includes: An upper hoisting assembly (2), the upper hoisting assembly (2) includes a pair of hooks (21); A middle fixing assembly (4), the middle fixing assembly (4) includes a fixing table (41), the fixing table (41) is installed in the middle of the fixed rod (31), a pair of hanging openings (42) corresponding to the positions of the pair of hooks (21) are symmetrically arranged at the top of the fixing table (41), and the hanging openings (42) are fixed to the top of the fixing table (41) through multiple strands of ropes; A lower positioning assembly (5), the lower positioning assembly (5) is connected to the bottom of the fixed rod (31) and is connected with an adjusting assembly (6) for adjusting the fixed rod (31), and the adjusting assembly (6) is used for adjusting the hoisting state of the wind turbine (3) and controlling the wind turbine (3) to rotate; The upper hoisting assembly (2) further includes two connecting platforms (22), the two connecting platforms (22) are respectively connected to the ends of the corresponding group of first traction ropes (103), each connecting platform (22) is provided with a guiding part (23) slidably connected to the workbench (105), a limiting assembly (7) is arranged at the bottom of the workbench (105), the limiting assembly (7) limits the top part of the wind turbine (3) and enables the top of the wind turbine (3) to have a moving space, and the limiting assembly (7) allows the wind turbine (3) to disengage from it only when the wind turbine (3) is in a vertical state.

2. The offshore wind power construction hoisting equipment according to claim 1, characterized in that: An annular sleeve one (43) is connected in the fixing table (41), and the sleeve one (43) is fixed to a threaded hole opened in the middle of the fixed rod (31) through a plurality of annular bolts one (44).

3. A marine wind power construction hoisting device according to claim 1, characterized in that: The lower positioning assembly (5) includes a positioning table (51), the positioning table (51) is connected to the bottom of the fixing table (41) through a plurality of second traction ropes (52), the positioning table (51) is connected to the lower part of the fixed rod (31) through a sleeve two (53), and the sleeve two (53) is fixed to a threaded hole opened in the lower part of the fixed rod (31) through a plurality of bolts two (54).

4. The offshore wind power construction and hoisting equipment according to claim 3, characterized in that: The adjustment component (6) includes four traction ropes III (61), and the four traction ropes III (61) are respectively located at the four corner positions of the positioning table (51). The two traction ropes III (61) located at the front side are respectively connected with winding wheels (62) and connected to the winding wheel II (63) through the winding wheels (62). The two traction ropes III (61) located at the rear side are connected to the winding wheel III (64). The winding wheel (62) is connected with a moving component (8), and the winding wheel II (63) and the winding wheel III (64) are both connected with rotating motors.

5. The offshore wind power construction hoisting equipment according to claim 4, characterized in that: The moving component (8) includes a hydraulic cylinder (81). The fixed end of the hydraulic cylinder (81) is installed on the platform (101), and the movable end of the hydraulic cylinder (81) is connected with the winding wheel (62).

6. The offshore wind power construction hoisting equipment according to claim 1, wherein: The limiting component (7) includes a disc (71) fixed to the bottom of the workbench (105). A circular groove (72) is formed in the disc (71). A limiting shaft (73) is coaxially arranged in the circular groove (72). The limiting shaft (73) is fixed to the top of the chassis (32). A guide rod (74) is fixedly connected to the inner bottom of the circular groove (72). The guide rod (74) is inserted into a T-shaped groove (75) formed at the top of the limiting shaft (73). The T-shaped groove (75) has an upper part and a lower part. The diameter of the upper part is smaller than that of the lower part. One end of the guide rod (74) located in the T-shaped groove (75) is fixedly connected with a sphere (76). The sphere (76) is arranged with the same diameter as the upper part of the T-shaped groove (75). A guiding ring (77) with a conical structure is arranged at the connection of the upper part and the lower part of the T-shaped groove (75). The inner wall of the lower part is abutted against the outer wall of the sphere (76) through a plurality of annularly arranged springs (78).

7. An offshore wind power construction hoisting device according to claim 1, characterized in that: The guiding part (23) includes a clamping plate (231) and a buckling plate (232). The buckling plate (232) is provided with a sliding groove for the clamping plate (231) to slide. The clamping plate (231) is fixed to the side surface of the connecting table (22), and the buckling plate (232) is fixed to the workbench (105).

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