Wind power fan fixing structure with bottom end auxiliary support

Abstract

The invention relates to the technical field of wind power generation. The wind power fan fixing structure with the bottom end auxiliary support comprises a positioning mechanism, a buffer adjusting mechanism and a fixing mechanism, the positioning mechanism is provided with a positioning groove corresponding to a cabin of a wind power fan, the buffer adjusting mechanism is connected with the positioning mechanism, and the fixing mechanism is connected with the positioning mechanism; wherein the positioning mechanism is used for positioning a cabin of the wind power fan; the fixing mechanism is used for fixing a cabin of the wind power fan; the buffering adjusting mechanism is used for buffering shaking borne by a cabin of the wind power draught fan in the operation process, and by introducing the buffering adjusting mechanism, shaking and vibration energy borne by the wind power draught fan in the operation process can be effectively absorbed and dispersed; the wind power fan fixing structure solves the problem that an existing wind power fan fixing structure lacks enough buffering and adjusting capacity when coping with dynamic loads in operation.

Description

Technical Field

[0001] The present invention relates to the technical field of wind power generation, and in particular to a wind turbine fixing structure with a bottom auxiliary support. Background Art

[0002] With the transformation of the global energy structure and the rapid development of renewable energy, wind power generation has been widely used as a clean and sustainable form of energy. As the core equipment of the wind power generation system, the stability and reliability of wind turbines directly affect the power generation efficiency and equipment life. However, during the operation of wind turbines, due to the influence of wind loads, mechanical vibrations and external environmental factors (such as wind speed changes, earthquakes, etc.), wind turbines are prone to shaking and vibration. These shaking and vibrations will not only cause fatigue damage to the wind turbine structure, but may also affect the power generation efficiency and even cause safety accidents.

[0003] Traditional wind turbine fixing structures usually use rigid connections, which can provide strong support, but often lack sufficient buffering and adjustment capabilities when dealing with dynamic loads during wind turbine operation. Especially in extreme wind conditions or sudden vibrations, rigid fixing structures are difficult to effectively absorb and disperse vibration energy, which may cause damage to wind turbine components or loosening of connections. Summary of the invention

[0004] The object of the present invention is to provide a wind turbine fixing structure with a bottom auxiliary support, aiming to solve the problem that the existing wind turbine fixing structure lacks sufficient buffering and adjustment capabilities when dealing with dynamic loads during operation.

[0005] The present invention is achieved through the following technical solutions:

[0006] A wind turbine fixing structure with a bottom auxiliary support, comprising: a positioning mechanism, a buffer adjustment mechanism and a fixing mechanism, wherein the positioning mechanism is provided with a positioning groove corresponding to a nacelle of the wind turbine, the buffer adjustment mechanism is connected to the positioning mechanism, and the fixing mechanism is connected to the positioning mechanism;

[0007] Among them, the positioning mechanism is used to position the nacelle of the wind turbine; the fixing mechanism is used to fix the nacelle of the wind turbine; and the buffer adjustment mechanism is used to buffer the shaking of the nacelle of the wind turbine during operation.

[0008] Optionally, the positioning mechanism comprises: a positioning base and a bracket, the bracket is mounted on the positioning base, and the bracket is provided with a positioning groove corresponding to the nacelle of the wind turbine.

[0009] Optionally, a protective pad is provided in the positioning groove, a first positioning hole is provided on the bracket, a first through hole corresponding to the first positioning hole is provided on the protective pad, a first positioning member passes through the first positioning hole and the first through hole, and the first positioning member is connected to the bracket.

[0010] Optionally, the protective pad is nested in the surface of the positioning groove, the surface of the protective pad is provided with an anti-slip layer, and the cabin of the wind turbine is in contact with the anti-slip layer.

[0011] Optionally, auxiliary side panels are provided on both sides of the bracket, the fixing mechanism includes a fixed auxiliary plate and a second positioning member, the auxiliary side panel is connected to the buffer adjustment mechanism, a second positioning hole is provided on the auxiliary side panel, a second through hole corresponding to the second positioning hole is provided on the fixed auxiliary plate, the second positioning member passes through the second positioning hole and the second through hole, and the second positioning member is connected to the auxiliary side panel.

[0012] Optionally, the buffer adjustment mechanism includes a spherical positioning member, a shock absorbing mechanism, a sliding adjustment member and an adjustment plate. The auxiliary side plate is provided with a mounting hole, the spherical positioning member is arranged in the mounting hole, the spherical positioning member is ball-linked to the auxiliary side plate, the two ends of the shock absorbing mechanism are respectively hinged to the spherical positioning member and the sliding adjustment member, the sliding adjustment member is slidably connected to the adjustment plate, and the adjustment plate is connected to the positioning base.

[0013] Optionally, a limiting opening is provided between the auxiliary side panel and the fixed auxiliary panel, a support plate is vertically provided in the limiting opening, one side of the support plate is fitted with the fixed auxiliary panel, the other side of the support plate is connected to one end of the elastic component, and the other end of the elastic component is connected to the auxiliary side panel.

[0014] Optionally, a slide rail is provided on the adjustment plate, a plurality of pairs of adjustment slots are provided on both sides of the slide rail, the sliding adjustment member is adapted to the slide rail, telescopic rods are provided on both sides of the sliding adjustment member, and the telescopic rods are adapted to the adjustment slots.

[0015] Optionally, the bracket is U-shaped, and a mounting groove corresponding to the bracket is provided on the positioning base, and the middle part of the bracket is adapted to the nacelle of the wind turbine.

[0016] Optionally, the positioning mechanism, the buffer adjustment mechanism and the fixing mechanism all take the central axis of the nacelle of the wind turbine as the symmetry axis and present a bilaterally symmetrical structure.

[0017] The technical solution of the present invention has at least the following advantages and beneficial effects:

[0018] Improve the stability and reliability of wind turbines: By introducing a buffer adjustment mechanism, the shaking and vibration energy of the wind turbine during operation can be effectively absorbed and dispersed, thereby significantly reducing fatigue damage to the wind turbine structure and extending the life of the equipment. This allows the wind turbine to maintain higher stability and reliability when facing dynamic loads such as wind speed changes, mechanical vibrations, and external environmental factors.

[0019] Optimizing power generation efficiency: Reducing shaking and vibration means reducing friction and loss between wind turbine components, which helps to maintain the optimal operating state of the wind turbine and improve power generation efficiency. It is of great significance to improve the utilization rate of renewable energy and promote the transformation of energy structure.

[0020] Enhanced safety performance: Traditional rigid fixed structures may be difficult to cope with extreme wind conditions or sudden vibrations, while the buffer adjustment mechanism of the present invention can provide better buffering and adjustment capabilities, effectively preventing damage to fan components or loosening of connection parts, thereby greatly reducing the risk of safety accidents.

[0021] Strong adaptability and easy maintenance: The fixed structure of the present invention adopts a modular design, which is easy to install, debug and maintain; at the same time, its buffer adjustment mechanism can be adjusted according to specific needs to adapt to different wind conditions and fan models, showing good adaptability and flexibility. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 It is a schematic diagram of the overall structure of a wind turbine fixing structure with bottom auxiliary support according to an embodiment of the present invention;

[0023] Figure 2 It is a schematic diagram of a transverse cross-sectional structure of a wind turbine fixing structure with a bottom auxiliary support according to an embodiment of the present invention;

[0024] Figure 3 It is a schematic diagram of a longitudinal cross-sectional structure of a wind turbine fixing structure with a bottom auxiliary support according to an embodiment of the present invention;

[0025] Figure 4 It is a partial structural schematic diagram of a wind turbine fixing structure with bottom auxiliary support according to an embodiment of the present invention, with the positioning base removed;

[0026] Figure 5 It is a structural schematic diagram of a positioning base of a wind turbine fixing structure with a bottom auxiliary support according to an embodiment of the present invention;

[0027] Figure 6 It is a schematic diagram of a partial explosion structure of a positioning base of a wind turbine fixing structure with a bottom auxiliary support according to an embodiment of the present invention;

[0028] Legend: 1-positioning base, 2-auxiliary side plate, 3-limiting opening, 4-elastic component, 5-support plate, 6-fixed auxiliary plate, 7-bracket, 8-first positioning piece, 9-protective pad, 10-second positioning piece, 11-mounting hole, 12-spherical positioning piece, 13-shock absorbing mechanism, 14-third positioning piece, 15-adjustment plate. DETAILED DESCRIPTION

[0029] The following is a specific implementation method in conjunction with the drawings.

[0030] Reference Figure 1 , Figure 2 , Figure 3 , Figure 4 , Figure 5 , Figure 6 A wind turbine fixing structure with a bottom auxiliary support includes: a positioning mechanism, a buffer adjustment mechanism and a fixing mechanism, the positioning mechanism is provided with a positioning groove corresponding to the nacelle of the wind turbine, the buffer adjustment mechanism is connected to the positioning mechanism, and the fixing mechanism is connected to the positioning mechanism; wherein the positioning mechanism is used to position the nacelle of the wind turbine; the fixing mechanism is used to fix the nacelle of the wind turbine; the buffer adjustment mechanism is used to buffer the shaking of the nacelle of the wind turbine during operation.

[0031] In some embodiments, the positioning mechanism includes: a positioning base 1 and a bracket 7, the bracket 7 is mounted on the positioning base 1, and the bracket 7 is provided with a positioning groove corresponding to the nacelle of the wind turbine. The bracket 7 can be U-shaped, and the positioning base 1 is provided with a mounting groove corresponding to the bracket 7, and the middle part of the bracket 7 is adapted to the nacelle of the wind turbine. The positioning base 1 is the foundation of the entire fixed structure and needs to bear the weight from the nacelle of the wind turbine and various dynamic loads during operation. The positioning base 1 can be made of high-strength steel to ensure that it has sufficient rigidity and load-bearing capacity. On the positioning base 1, according to the shape and size of the bracket 7, a mounting groove corresponding to the bracket 7 is designed and processed. The depth and width of the mounting groove need to be slightly larger than the bottom size of the bracket 7 so that the bracket 7 can be smoothly installed and fixed. The main function of the bracket 7 is to support and position the nacelle of the wind turbine. The shape of the bracket 7 is designed to be U-shaped to better adapt to the contour of the nacelle and provide stable support. At the U-shaped opening of the bracket 7, a positioning groove corresponding to the cabin is machined according to the size and shape of the cabin. The depth and width of the positioning groove must match the bottom size of the cabin to ensure that the cabin can be accurately and stably placed in the positioning groove. The two side edges of the bracket 7 must be designed with interfaces connected to the auxiliary side panels 2 so that the buffer adjustment mechanism and the fixing mechanism can be subsequently connected to the positioning mechanism. Use high-strength bolts or other fixings to firmly connect the bracket 7 to the positioning base 1. During the connection process, it is necessary to ensure that the gap between the bracket 7 and the positioning base 1 is uniform to avoid stress concentration problems caused by improper installation.

[0032] In some embodiments, a protective pad 9 is provided in the positioning groove, a first positioning hole is provided on the bracket 7, a first through hole corresponding to the first positioning hole is provided on the protective pad 9, a first positioning member 8 passes through the first positioning hole and the first through hole, and the first positioning member 8 is connected to the bracket 7. The protective pad 9 can be made of a material with high wear resistance, high elasticity and good anti-slip performance, such as rubber, polyurethane or a special synthetic material. These materials can effectively absorb vibration, reduce friction between the cabin and the positioning groove, and provide the necessary anti-slip effect. The protective pad 9 is customized according to the specific size and shape of the positioning groove. Ensure that the protective pad 9 can fit tightly in the positioning groove without leaving any gaps. Before installing the protective pad 9, the positioning groove needs to be thoroughly cleaned first to remove any impurities, oil stains or residues to ensure that the protective pad 9 can be firmly adhered or fixed in the positioning groove. If necessary, a layer of special adhesive or treatment agent can be applied on the surface of the positioning groove to enhance the adhesion between the protective pad 9 and the positioning groove. On the protective pad 9, according to the position and size of the first positioning hole on the bracket 7, the first through hole is accurately opened. These through holes should correspond one-to-one with the first positioning holes on the bracket 7 to facilitate the subsequent installation of the first positioning member 8. Use special fixing tools or methods (such as screws, rivets, adhesives, etc.) to firmly fix the protective pad 9 in the positioning groove. During the fixing process, it should be ensured that the protective pad 9 will not be deformed or displaced due to uneven force. According to the design requirements, select a suitable first positioning member 8 (such as bolts, nuts, pins, etc.). Ensure that the length, diameter and thread specifications of the first positioning member 8 match the holes on the bracket 7 and the protective pad 9. Pass the first positioning member 8 through the first positioning hole on the bracket 7 and the first through hole on the protective pad 9 in turn, and then use the corresponding fasteners (such as nuts, washers, etc.) to firmly fix the first positioning member 8 to the bracket 7. During the fixing process, ensure that the first positioning member 8 is in a vertical state to avoid tilting or loosening.

[0033] In some embodiments, the protective pad 9 is nested in the surface of the positioning groove, and the surface of the protective pad 9 is provided with an anti-skid layer, and the cabin of the wind turbine is in contact with the anti-skid layer. A material with a high friction coefficient and good wear resistance can be selected as the anti-skid layer, such as rubber particles or special anti-skid coatings. The protective pad is tightly nested in the positioning groove, effectively reducing the friction damage between the cabin and the positioning groove. At the same time, the provision of the anti-skid layer improves the stability of the cabin in the positioning groove and prevents the cabin from sliding or shifting. This not only improves the operating efficiency and equipment life of the wind turbine, but also reduces maintenance costs and safety hazards.

[0034] In some embodiments, auxiliary side panels 2 are provided on both sides of the bracket 7, the fixing mechanism includes a fixing auxiliary plate 6 and a second positioning member 10, the auxiliary side panel 2 is connected to the buffer adjustment mechanism, a second positioning hole is provided on the auxiliary side panel 2, a second through hole corresponding to the second positioning hole is provided on the fixing auxiliary panel 6, the second positioning member 10 passes through the second positioning hole and the second through hole, and the second positioning member 10 is connected to the auxiliary side panel 2. The auxiliary side panel 2 is designed mainly to enhance the stability and rigidity of the entire fixing structure, and also provides a connection point for the fixing mechanism. The auxiliary side panel 2 can be securely mounted on both sides of the bracket 7 by welding, bolting or other suitable connection methods. In order to ensure the stability and reliability of the fixation, the number and distribution of the second positioning members 10 can be adjusted according to actual needs. Positioning holes and through holes can be provided at multiple positions of the auxiliary side panel 2 and the fixing auxiliary panel 6, and multiple second positioning members 10 can be used for fixing.

[0035] In some embodiments, the buffer adjustment mechanism includes a spherical positioning member 12, a shock absorbing mechanism 13, a sliding adjustment member 14 and an adjustment plate 15. A mounting hole 11 is provided on the auxiliary side plate 2. The spherical positioning member 12 is arranged in the mounting hole 11. The spherical positioning member 12 is ball-linked with the auxiliary side plate 2. The two ends of the shock absorbing mechanism 13 are respectively hinged with the spherical positioning member 12 and the sliding adjustment member 14. The sliding adjustment member 14 is slidably connected with the adjustment plate 15, and the adjustment plate 15 is connected with the positioning base 1. The spherical positioning member 12 can be a component with a spherical surface, which can rotate freely in the mounting hole 11. This design allows the spherical positioning member 12 to respond to external loads in multiple directions, providing greater flexibility and adaptability. The spherical positioning member 12 is connected to the auxiliary side plate 2 by a ball linkage. This connection method allows the spherical positioning member to maintain a certain degree of freedom in the mounting hole 11 while ensuring the stability and reliability of the connection. The shock absorbing mechanism 13 may include elastic elements, damping elements and connectors. The elastic elements may be made of materials with high elastic modulus, good damping performance and fatigue resistance, such as high damping rubber, spring steel or composite materials. According to the shock absorption requirements, the elastic elements may be designed into cylindrical, conical or other shapes to provide the best shock absorption effect. The damping element may use hydraulic oil or gas as the damping medium, and limit the flow rate of the fluid through a throttle hole or a throttle valve to generate a damping force; the friction between the friction plate or the friction block may also be used to consume vibration energy. The connectors include hinges and fasteners. The hinges are used to articulate the two ends of the shock absorbing mechanism 13 with the spherical positioning member 12 and the sliding adjustment member 14 respectively to ensure that the shock absorbing mechanism can freely respond to external loads in multiple directions; the fasteners are used to fix and connect the various components of the shock absorbing mechanism 13 to ensure its stability and reliability. When the wind turbine is subjected to external excitations such as wind loads and mechanical vibrations, the shock absorbing mechanism 13 starts to work, the elastic element undergoes elastic deformation after being subjected to external excitation, absorbs and stores vibration energy, and the damping element consumes vibration energy through fluid damping or friction damping, causing the vibration to gradually decay. When the external excitation disappears, the elastic element gradually returns to its original shape, and the shock absorbing mechanism 13 is also reset accordingly. Sensors and control systems can be introduced to monitor the working status of the shock absorbing mechanism 13 in real time, and the shock absorbing mechanism can be intelligently adjusted and optimized according to the monitoring data to cope with different vibration conditions.

[0036] In some embodiments, a slide rail is provided on the adjustment plate 15, and a plurality of pairs of adjustment slots are provided on both sides of the slide rail. The sliding adjustment member 14 is adapted to the slide rail, and telescopic rods are provided on both sides of the sliding adjustment member, and the telescopic rods are adapted to the adjustment slots. When the wind turbine cabin is shaken or vibrated, the sliding adjustment member 14 moves on the slide rail to adapt to the displacement of the cabin. At the same time, the telescopic rod adjusts the length according to actual needs and is inserted into the corresponding adjustment slot to provide stable support and fixation. This design not only allows the cabin to move freely within a certain range to absorb and disperse vibration energy, but also can achieve precise adjustment and fixation by adjusting the slot and the telescopic rod. By adjusting the slot and the telescopic rod, precise adjustment of the sliding adjustment member 14 in the horizontal and vertical directions can be achieved. After the telescopic rod is inserted into the adjustment slot, it can provide stable support and fixation to prevent the cabin from excessive displacement during vibration. The design of the slide rail and the adjustment slot allows the sliding adjustment member 14 to move within a large range to adapt to various possible vibration and shaking conditions.

[0037] In some embodiments, a limited opening 3 is provided between the auxiliary side plate 2 and the fixed auxiliary plate 6, and a support plate 5 is vertically provided in the limited opening 3, one side of the support plate 5 is fitted with the fixed auxiliary plate 6, and the other side of the support plate 5 is connected to one end of the elastic component 4, and the other end of the elastic component 4 is connected to the auxiliary side plate 2. The limited opening 3 is cleverly arranged between the auxiliary side plate 2 and the fixed auxiliary plate 6, and its position and size are precisely calculated to ensure that the support plate 5 can be smoothly installed and play the best supporting effect. The width of the limited opening 3 should be slightly larger than the thickness of the support plate 5, so as to allow the support plate 5 to have a certain amount of activity space in the limited opening 3 while maintaining a stable supporting effect. The shape of the limited opening 3 can be rectangular, circular or other suitable shapes, and the specific shape depends on the design of the support plate 5 and the requirements of the installation space. The support plate 5 is made of high-strength, corrosion-resistant materials, such as stainless steel or special alloys, to ensure that it can withstand the weight of the wind turbine cabin and various dynamic loads during operation. The elastic component 4 is made of a material with high elasticity, wear resistance and corrosion resistance, such as rubber, spring or special elastic alloy, to ensure that it can provide effective buffering and recovery capabilities when subjected to external loads. When the wind turbine cabin is shaken or vibrated, the elastic component 4 can absorb and disperse the vibration energy, reducing the direct impact between the cabin and the fixed structure. At the same time, the movable space of the support plate 5 in the limit opening 3 allows it to move to a certain extent following the shaking of the cabin, thereby further enhancing the stability and buffering capacity of the fixed structure.

[0038] In some embodiments, the positioning mechanism, the buffer adjustment mechanism and the fixing mechanism all take the central axis of the nacelle of the wind turbine as the symmetry axis, presenting a bilaterally symmetrical structure. This symmetrical structural design not only improves the stability and load-bearing capacity of the entire fixed structure, but also helps to balance the various dynamic loads generated by the nacelle during operation. Through symmetrical distribution, the buffer adjustment mechanism can more effectively absorb and disperse vibration energy, reduce fatigue damage to wind turbine components, and improve power generation efficiency and equipment life. At the same time, the symmetrical structure is also easy to install and maintain, reducing the difficulty and cost of operation.

Claims

1. A wind turbine fixing structure with bottom auxiliary support, characterized in that: include: A positioning mechanism, a buffer adjustment mechanism and a fixing mechanism, wherein the positioning mechanism is provided with a positioning groove corresponding to the nacelle of the wind turbine, the buffer adjustment mechanism is connected to the positioning mechanism, and the fixing mechanism is connected to the positioning mechanism; Among them, the positioning mechanism is used to position the nacelle of the wind turbine; the fixing mechanism is used to fix the nacelle of the wind turbine; and the buffer adjustment mechanism is used to buffer the shaking of the nacelle of the wind turbine during operation.

2. The wind turbine fixing structure with bottom auxiliary support according to claim 1, characterized in that: The positioning mechanism comprises: a positioning base (1) and a bracket (7); the bracket (7) is mounted on the positioning base (1); and the bracket (7) is provided with a positioning groove corresponding to the nacelle of the wind turbine.

3. The wind turbine fixing structure with bottom auxiliary support according to claim 2, characterized in that: A protective pad (9) is arranged in the positioning groove, a first positioning hole is provided on the bracket (7), a first through hole corresponding to the first positioning hole is provided on the protective pad (9), a first positioning member (8) passes through the first positioning hole and the first through hole, and the first positioning member (8) is connected to the bracket (7).

4. The wind turbine fixing structure with bottom auxiliary support according to claim 3, characterized in that: The protective pad (9) is nested in the surface of the positioning groove, the surface of the protective pad (9) is provided with an anti-slip layer, and the cabin of the wind turbine is in contact with the anti-slip layer.

5. The wind turbine fixing structure with bottom auxiliary support according to claim 2, characterized in that: Auxiliary side plates (2) are arranged on both sides of the bracket (7); the fixing mechanism comprises a fixing auxiliary plate (6) and a second positioning member (10); the auxiliary side plate (2) is connected to the buffer adjustment mechanism; a second positioning hole is provided on the auxiliary side plate (2); a second through hole corresponding to the second positioning hole is provided on the fixing auxiliary plate (6); the second positioning member (10) passes through the second positioning hole and the second through hole; and the second positioning member (10) is connected to the auxiliary side plate (2).

6. The wind turbine fixing structure with bottom auxiliary support according to claim 5, characterized in that: The buffer adjustment mechanism comprises a spherical positioning member (12), a shock absorbing mechanism (13), a sliding adjustment member (14) and an adjustment plate (15); a mounting hole (11) is provided on the auxiliary side plate (2); the spherical positioning member (12) is arranged in the mounting hole (11); the spherical positioning member (12) and the auxiliary side plate (2) are spherically linked; two ends of the shock absorbing mechanism (13) are respectively hinged to the spherical positioning member (12) and the sliding adjustment member (14); the sliding adjustment member (14) is slidably connected to the adjustment plate (15); and the adjustment plate (15) is connected to the positioning base (1).

7. The wind turbine fixing structure with bottom auxiliary support according to claim 6, characterized in that: A limiting opening (3) is provided between the auxiliary side plate (2) and the fixed auxiliary plate (6), a support plate (5) is vertically provided in the limiting opening (3), one side of the support plate (5) is in contact with the fixed auxiliary plate (6), the other side of the support plate (5) is connected to one end of an elastic component (4), and the other end of the elastic component (4) is connected to the auxiliary side plate (2).

8. The wind turbine fixing structure with bottom auxiliary support according to claim 6, characterized in that: The adjustment plate (15) is provided with a slide rail, and a plurality of pairs of adjustment slots are provided on both sides of the slide rail. The sliding adjustment member (14) is adapted to the slide rail, and telescopic rods are provided on both sides of the sliding adjustment member, and the telescopic rods are adapted to the adjustment slots.

9. The wind turbine fixing structure with bottom auxiliary support according to claim 2, characterized in that: The bracket (7) is U-shaped, and a mounting groove corresponding to the bracket (7) is provided on the positioning base (1), and the middle part of the bracket (7) is adapted to the nacelle of the wind turbine.

10. The wind turbine fixing structure with bottom auxiliary support according to any one of claims 1 to 9, characterized in that: The positioning mechanism, the buffer adjustment mechanism and the fixing mechanism all take the central axis of the nacelle of the wind turbine as the symmetry axis and present a bilaterally symmetrical structure.

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