Fan cowling mounting frame, fan nacelle and wind turbine

Abstract

This utility model relates to the field of wind turbine technology, and discloses a wind turbine fairing mounting bracket, a wind turbine nacelle, and a wind turbine generator. The wind turbine fairing mounting bracket includes a connecting plate, an adjusting component, and a supporting component. The connecting plate has a first mounting hole, which is a strip-shaped hole, suitable for connection with a hub. The adjusting component has a second mounting hole, which is also a strip-shaped hole, suitable for connection with the fairing. One end of the supporting component is connected to the first mounting hole, and the other end is connected to the end of the adjusting component away from the fairing. By providing a first mounting hole on the connecting plate and a second mounting hole on the adjusting component, and by setting both the first and second mounting holes as strip-shaped holes, this utility model allows for the adaptation to the installation requirements of different models of fairings and hubs of different sizes by adjusting the position of the fasteners in the strip-shaped holes, thus ensuring installation accuracy.

Description

Technical Field

[0001] This utility model relates to the field of wind turbine technology, specifically to a wind turbine fairing mounting bracket, a wind turbine nacelle, and a wind turbine generator. Background Technology

[0002] In wind turbine generator sets, the front steel frame of the fairing is an important structural component connecting the fairing and the hub, and its strength and stability are directly related to the safe operation of the unit.

[0003] In the existing technology, the steel frame in front of the fairing usually adopts a fixed size frame, which can only be used for the installation of specific models of fans and is difficult to adapt to the installation requirements of different models. Utility Model Content

[0004] In view of this, the present invention provides a wind turbine fairing mounting bracket, a wind turbine nacelle, and a wind turbine generator to solve the problem that the front steel frame of the fairing is difficult to adapt to the installation requirements of different models.

[0005] In a first aspect, this utility model provides a fan guide shroud mounting bracket, comprising: The connecting plate has a first mounting hole, which is a strip hole, and the connecting plate is suitable for connecting with the wheel hub; An adjusting component is provided with a second mounting hole, which is a strip hole and is suitable for connection with a flow guide. The support component has one end connected to the first mounting hole and the other end connected to the end of the adjusting component away from the guide shield.

[0006] In one alternative embodiment, the connecting plate is provided with a third mounting hole, and the support member is provided with a plurality of fourth mounting holes, with fasteners connected in the first mounting hole and the fourth mounting holes.

[0007] In one alternative embodiment, the adjusting member has a fifth mounting hole, and the supporting member has a sixth mounting hole, with fasteners connected in the fifth and sixth mounting holes.

[0008] In one alternative implementation, the adjusting member includes: The first mounting part is strip-shaped, and the fifth mounting hole is provided on the first mounting part; The second mounting part consists of two symmetrically and vertically arranged on the first mounting part, and the second mounting part is provided with a second mounting hole.

[0009] In one alternative embodiment, the first mounting part has an opening, and two second mounting parts are located on both sides of the opening.

[0010] In one alternative embodiment, the second mounting hole is located on the center line of the fairing mounting hole.

[0011] In one alternative embodiment, the fourth mounting hole is perpendicular to the plane containing the sixth mounting hole.

[0012] In one alternative embodiment, the connecting plate includes a first connecting portion and a second connecting portion, a first mounting hole is disposed on the first connecting portion, a second mounting hole is disposed on the second connecting portion, and the second connecting portion is smaller in size than the first connecting portion.

[0013] Secondly, this utility model also provides a wind turbine nacelle, comprising: Wheel hub; fairing; The aforementioned fan shroud mounting bracket connects the shroud to the support component and the connecting plate to the hub. Blades, which are mounted on the hub; The hull and wheel hubs are installed inside the hull; The generator is installed inside the cabin and connected to the end of the wheel hub away from the fairing.

[0014] Thirdly, this utility model also provides a wind turbine generator, comprising: Tower; The aforementioned wind turbine nacelle is installed at the top of the tower.

[0015] Beneficial effects: This utility model provides a first mounting hole on the connecting plate and a second mounting hole on the adjusting component, and sets the first and second mounting holes as strip holes. When the fan guide cover mounting bracket is connected to the hub and the guide cover, for guide covers and hubs of different models and sizes, the position of the fasteners in the strip holes can be adjusted to meet the installation requirements of different models, ensuring the installation accuracy. Attached Figure Description

[0016] To more clearly illustrate the specific embodiments of this utility model or the technical solutions in the prior art, the drawings used in the description of the specific embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are some embodiments of this utility model. For those skilled in the art, other drawings can be obtained from these drawings without creative effort.

[0017] Figure 1 This is a schematic diagram illustrating the installation of a fan guide shield mounting bracket with a hub and a guide shield according to an embodiment of the present utility model. Figure 2 This is a schematic diagram of a connecting plate in a fan guide shield mounting bracket; Figure 3 This is a schematic diagram of an adjusting component in a fan guide shield mounting bracket; Figure 4This is a schematic diagram of a support component in a fan guide shield mounting bracket; Figure 5 This is a schematic diagram of the structure of a wind turbine.

[0018] Explanation of reference numerals in the attached figures: 1. Connecting plate; 101. First mounting hole; 102. Third mounting hole; 103. First connecting part; 104. Second connecting part; 2. Adjusting component; 201. Second mounting hole; 202. Fifth mounting hole; 203. First mounting part; 204. Second mounting part; 205. Opening; 3. Support component; 301. Fourth mounting hole; 302. Sixth mounting hole; 4. Hub; 5. Fairing; 6. Blades; 7. Cabin; 9. Tower. Detailed Implementation

[0019] To make the objectives, technical solutions, and advantages of the embodiments of this utility model clearer, the technical solutions of the embodiments of this utility model will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of this utility model, not all embodiments. Based on the embodiments of this utility model, all other embodiments obtained by those skilled in the art without creative effort are within the protection scope of this utility model.

[0020] The following is combined Figures 1 to 5 The following describes embodiments of the present invention.

[0021] According to embodiments of the present invention, on the one hand, such as Figures 1 to 4 As shown, a fan shroud mounting bracket is provided, including a connecting plate 1, an adjusting member 2, and a supporting member 3. The connecting plate 1 is provided with a first mounting hole 101, which is a strip-shaped hole, and the connecting plate 1 is adapted to be connected to a hub 4. The adjusting member 2 is provided with a second mounting hole 201, which is a strip-shaped hole, and the second mounting hole 201 is adapted to be connected to a shroud 5. One end of the supporting member 3 is connected to the first mounting hole 101, and the other end is connected to the end of the adjusting member 2 away from the shroud 5.

[0022] Specifically, in this embodiment, the support member 3 is connected between the connecting plate 1 and the adjusting member 2. One end of the connecting plate 1 is connected to the hub 4, and the first mounting hole 101 on the other end is used to connect with the adjusting member 2. The second mounting hole 201 on the adjusting member 2 is used to connect with the mounting hole on the guide shroud 5 through fasteners. By adjusting the position of the fasteners in the first mounting hole 101 and the second mounting hole 201, the fan guide shroud mounting bracket can be installed between hubs 4 and guide shrouds 5 of different models.

[0023] In this embodiment, bolts are used as fasteners. In this embodiment, the length of the first mounting hole 101 and the second mounting hole 201 is 5 mm greater than their width.

[0024] In one embodiment, such as Figure 2 and Figure 4 As shown, the connecting plate 1 is provided with a third mounting hole 102, and the support member 3 is provided with a plurality of fourth mounting holes 301. Fasteners are connected to the first mounting hole 101 and the fourth mounting hole 301.

[0025] Specifically, in this embodiment, the third mounting hole 102 is connected to the mounting hole on the hub 4 by a fastener, and the first mounting hole 101 and the fourth mounting hole 301 are connected by a fastener. By adjusting the position of the fastener in the first mounting hole 101, the installation deviation between the connecting plate 1 and the support 3 can be adjusted, thereby realizing the installation of the fan guide cover mounting bracket between hubs 4 and guide covers 5 of different models.

[0026] In this embodiment, the number of the first mounting hole 101 and the fourth mounting hole 301 is not specifically limited. For example, in this embodiment, the number of the first mounting hole 101 and the fourth mounting hole 301 is four.

[0027] In this embodiment, the fastener installed in the first mounting hole 101 is an M12×80 bolt, and the fastener installed in the third mounting hole 102 is an M36 bolt. The torque of the M12 bolt is 75 N·m, and the torque of the M36 bolt is 2300 N·m. After the fasteners are installed, locking adhesive needs to be applied to prevent loosening.

[0028] In this embodiment, the fasteners achieve torque balance through torque control. This prevents insufficient preload from causing loosening, vibration, and component failure; and avoids overload from reducing bolt fatigue strength or even causing fracture. The force applied to the fasteners must meet the requirements of daily operation of the wind turbine and the force under high wind speed conditions.

[0029] In one embodiment, such as Figure 3 and Figure 4 As shown, the adjusting member 2 is provided with a fifth mounting hole 202, and the supporting member 3 is provided with a sixth mounting hole 302. Fasteners are connected to the fifth mounting hole 202 and the sixth mounting hole 302.

[0030] Specifically, in this embodiment, the number of the fifth mounting hole 202 and the sixth mounting hole 302 is not specifically limited. For example, in this embodiment, the number of the fifth mounting hole 202 is six, the number of the sixth mounting hole 302 is three, the two support members 3 are connected to the adjusting member 2, and the number of the corresponding connecting plates 1 is also two.

[0031] In one embodiment, such as Figure 3As shown, the adjusting member 2 includes a first mounting part 203 and a second mounting part 204. The first mounting part 203 is strip-shaped, and a fifth mounting hole 202 is provided on the first mounting part 203. Two second mounting parts 204 are symmetrically and vertically arranged on the first mounting part 203, and a second mounting hole 201 is provided on the second mounting part 204.

[0032] Specifically, in this embodiment, the first mounting portion 203 is rectangular, with three fifth mounting holes 202 forming a group, and two groups of fifth mounting holes 202 are located at both ends of the first mounting portion 203. In this embodiment, the first mounting portion 203 can be made of steel plate.

[0033] In this embodiment, there are two second mounting parts 204. The second mounting parts 204 are made of angle steel. One end of the second mounting part 204 is welded to the first mounting part 203, and the other end is provided with a second mounting hole 201.

[0034] In one embodiment, such as Figure 3 As shown, the first mounting part 203 is provided with an opening 205, and two second mounting parts 204 are located on both sides of the opening 205.

[0035] Specifically, in this embodiment, the first mounting part 203 is provided with an opening 205 at the middle position, and the opening 205 can reduce the overall weight of the adjusting part 2.

[0036] In this embodiment, the opening 205 is elongated, and the second connecting part 104 is located on both sides of the opening 205.

[0037] In one embodiment, the second mounting hole 201 is located on the center line of the mounting hole of the flow guide 5.

[0038] In one embodiment, such as Figure 4 As shown, the plane containing the fourth mounting hole 301 is perpendicular to the plane containing the sixth mounting hole 302.

[0039] Specifically, in this embodiment, the support member 3 is installed at an angle between the connecting plate 1 and the adjusting member 2, and the fourth mounting hole 301 and the sixth mounting hole 302 are located on mutually perpendicular planes at both ends of the support member 3.

[0040] In one embodiment, such as Figure 1 As shown, the connecting plate 1 includes a first connecting part 103 and a second connecting part 104. A first mounting hole 101 is provided on the first connecting part 103, and a second mounting hole 201 is provided on the second connecting part 104. The size of the second connecting part 104 is smaller than that of the first connecting part 103.

[0041] Specifically, in this embodiment, the first connecting part 103 is rectangular, and four first mounting holes 101 are symmetrically arranged on the first connecting part 103. The second connecting part 104 is rectangular, and the size of the second connecting part 104 is smaller than that of the first connecting part 103. The second connecting part 104 is connected to one side of the first connecting part 103, and the side edge of the second connecting part 104 is flush with the side edge of the first connecting part 103.

[0042] In this embodiment, the corners of the connecting plate 1 are chamfered.

[0043] In this embodiment, all bolts are tightened to torque after installation, and locking adhesive is applied to the bolts to prevent loosening.

[0044] According to an embodiment of the present invention, another aspect provides a wind turbine nacelle, including a hub 4, a fairing 5, the aforementioned wind turbine fairing mounting bracket, blades 6, a nacelle 7, and a generator. The fairing 5 is connected to a support member 3, the connecting plate 1 is connected to the hub 4, the blades 6 are mounted on the hub 4, the hub 4 is mounted inside the nacelle 7, the generator is mounted inside the nacelle 7, and the generator is connected to the end of the hub 4 away from the fairing 5.

[0045] According to an embodiment of the present invention, in another aspect, such as Figure 5 As shown, a wind turbine generator is also provided, including a tower 9 and the aforementioned wind turbine nacelle, with the wind turbine nacelle mounted on top of the tower 9.

[0046] This utility model provides a first mounting hole 101 on the connecting plate 1 and a second mounting hole 201 on the adjusting member 2, and sets the first mounting hole 101 and the second mounting hole 201 as strip holes. When the fan guide cover mounting bracket is connected to the hub 4 and the guide cover 5, for guide covers 5 and hub 4 of different models and sizes, the position of the fasteners in the strip holes can be adjusted to meet the installation requirements of different models, thus ensuring the installation accuracy.

[0047] Although embodiments of the present invention have been described in conjunction with the accompanying drawings, those skilled in the art can make various modifications and variations without departing from the spirit and scope of the present invention, and such modifications and variations all fall within the scope defined by the appended claims.

Claims

1. A fan cowl mount, characterized by, include: A connecting plate (1) is provided with a first mounting hole (101), which is a strip-shaped hole. The connecting plate (1) is adapted to be connected to the hub (4). The connecting plate (1) is provided with a third mounting hole (102). Adjustment component (2), the adjustment component (2) is provided with a second mounting hole (201), the second mounting hole (201) is a strip hole, the second mounting hole (201) is adapted to be connected to the guide shield (5); The support member (3) has one end connected to the first mounting hole (101) and the other end connected to the end of the adjusting member (2) away from the guide shield (5). The support member (3) is provided with a plurality of fourth mounting holes (301). Fasteners are connected in the first mounting hole (101) and the fourth mounting holes (301).

2. The fan shroud mount of claim 1, wherein, The adjusting member (2) is provided with a fifth mounting hole (202), and the supporting member (3) is provided with a sixth mounting hole (302). Fasteners are connected to the fifth mounting hole (202) and the sixth mounting hole (302).

3. The fan shroud mount of claim 2, wherein, The adjusting element (2) includes: The first mounting part (203) is strip-shaped, and the fifth mounting hole (202) is provided on the first mounting part (203); The second mounting part (204) is symmetrically and vertically arranged on the first mounting part (203), and the second mounting part (204) is provided with a second mounting hole (201).

4. The fan shroud mount of claim 3, wherein, The first mounting part (203) is provided with an opening (205), and two second mounting parts (204) are located on both sides of the opening (205).

5. The fan guide cover mounting bracket according to claim 2, characterized in that, The second mounting hole (201) is located on the center line of the mounting hole of the guide shield (5).

6. The fan guide cover mounting bracket according to claim 2, characterized in that, The fourth mounting hole (301) is perpendicular to the plane containing the sixth mounting hole (302).

7. The fan guide cover mounting bracket according to claim 1, characterized in that, The connecting plate (1) includes a first connecting part (103) and a second connecting part (104). The first mounting hole (101) is disposed on the first connecting part (103), and the second mounting hole (201) is disposed on the second connecting part (104). The size of the second connecting part (104) is smaller than that of the first connecting part (103).

8. A wind turbine nacelle, characterized in that, include: Wheel hub (4); fairing (5); The fan guide shield mounting bracket according to any one of claims 1 to 7, wherein the guide shield (5) is connected to the support member (3), and the connecting plate (1) is connected to the hub (4); Blade (6), said blade (6) is mounted on said hub (4); The cabin (7) is in which the wheel hub (4) is installed; A generator (8) is installed inside the cabin (7) and is connected to the end of the hub (4) away from the fairing (5).

9. A wind turbine generator, characterized in that, include: Tower (9); The wind turbine nacelle of claim 8, wherein the wind turbine nacelle is installed on top of the tower (9).

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