CN215719240U

CN215719240U - Chassis of wind driven generator and fan

Info

Publication number: CN215719240U
Application number: CN202121461315.8U
Authority: CN
Inventors: 暴凤旭; 李乾坤
Original assignee: Sany Renewable Energy Co Ltd
Current assignee: Sany Renewable Energy Co Ltd
Priority date: 2021-06-29
Filing date: 2021-06-29
Publication date: 2022-02-01
Anticipated expiration: 2031-06-29

Abstract

The utility model relates to the technical field of fans, in particular to a wind driven generator underframe and a fan. The underframe of the wind driven generator comprises at least one cross beam, two main beams and at least two mounting seats, wherein each main beam is respectively connected with at least one mounting seat, the mounting seats are arranged below the cross beam, two ends of the cross beam are respectively detachably connected with the mounting seats on different main beams, and the mounting seats are suitable for supporting the cross beam. Through setting up the mount pad on the girder, realize the support and the installation to the crossbeam, be equivalent to before installing the generator, indirectly realize the support to the generator through the mount pad, then be connected the crossbeam with the mount pad in order to realize the installation of generator, avoid additionally arranging personnel to hold up the generator in generator installation, practice thrift manpower and materials resource cost more. When dismantling crossbeam and generator together, the mount pad also can play the supporting role to crossbeam and generator, avoids crossbeam and generator to drop.

Description

Chassis of wind driven generator and fan

Technical Field

The utility model relates to the technical field of fans, in particular to a wind driven generator underframe and a fan.

Background

Among the prior art, in the engine room of fan, install the generator usually, the generator is installed on vertical riser through the mode of bolt-up usually, because generator weight is great, inserting the connecting hole on generator and the riser with the bolt and the in-process of screwing up, need hoisting equipment to lift up the generator to need extra personnel to hold up the generator so that the connecting hole on generator and the riser aligns, lead to the generator installation complicated, cause the waste of manpower and materials resource.

SUMMERY OF THE UTILITY MODEL

The utility model solves the problem that the generator is complex in installation process due to the fact that the generator is heavy.

In order to solve the problems, the utility model provides a wind driven generator underframe which comprises at least one cross beam, two main beams and at least two mounting seats, wherein each main beam is connected with at least one mounting seat, the mounting seats are arranged below the cross beam, two ends of the cross beam are detachably connected with the mounting seats on different main beams respectively, and the mounting seats are suitable for supporting the cross beam.

Optionally, the wind turbine chassis further comprises a fastener, the mounting seat is provided with a first connecting hole, the cross beam is provided with a second connecting hole, the first connecting hole and the second connecting hole are arranged in the vertical direction, and the fastener penetrates through the first connecting hole and the second connecting hole to realize the connection between the cross beam and the mounting seat.

Optionally, the main beam includes a main beam body and a main beam support plate that are connected to each other, the main beam support plate is perpendicular to the main beam body, the main beam support plate is located below the mounting seat, and the mounting seat is connected to the main beam support plate and the main beam body respectively.

Optionally, the mounting seat includes a mounting plate and at least two rib plates, each rib plate is connected to the mounting plate, the rib plate is perpendicular to the mounting plate, the rib plate is connected to the main beam support plate and the main beam body, and the first connection hole is opened in the mounting plate.

Optionally, the beam comprises a beam body, an intermediate connecting plate and a bottom plate, the beam body and the bottom plate are arranged oppositely, the intermediate connecting plate is located between the beam body and the bottom plate, the intermediate connecting plate is respectively connected with the beam body and the bottom plate, the second connecting hole is formed in the bottom plate, and the beam body is suitable for installing the generator.

Optionally, the cross beam further comprises two vertical plates, the two vertical plates are arranged at two ends of the cross beam body in the length direction, the vertical plates are respectively connected with the cross beam body, the middle connecting plate and the bottom plate, and the vertical plates are detachably connected with the main beam.

Optionally, the bottom plate is bending structure, the bottom plate is including the first section of bending, the second section of bending and the third section of bending that connects gradually, first section of bending with the third section of bending respectively with the crossbeam body sets up relatively, the second section of bending is relative the third section of bending to crossbeam body lateral buckling, the second connecting hole is seted up in on the third section of bending.

Optionally, the wind turbine underframe further comprises a base plate, and the base plate is arranged between the main beam and the vertical plate.

Optionally, the cross beam further includes a reinforcing plate, the reinforcing plate is located between the cross beam body and the bottom plate, the reinforcing plate is connected with the intermediate connection plate, and the reinforcing plate is further connected with the cross beam body and/or the bottom plate.

Optionally, the wind driven generator chassis further comprises bases, wherein at least two bases are respectively mounted on each cross beam, the bases are located above the cross beams and are suitable for supporting the generator, third connecting holes are formed in the bases and are vertically arranged, and the third connecting holes are suitable for being matched with bolt holes in the generator.

Compared with the prior art, the underframe of the wind driven generator has the beneficial effects that:

according to the utility model, the mounting seat is arranged on the main beam to realize the support and the mounting of the cross beam, which is equivalent to that the generator is indirectly supported by the mounting seat before the generator is mounted, and then the cross beam is connected with the mounting seat to realize the mounting of the generator, so that extra personnel is prevented from holding the generator in the installation process of the generator, the installation process is simpler and more convenient, the cost of manpower and material resources is saved, and the generator can be prevented from falling in the installation process. When will the crossbeam with when the generator is dismantled together, the mount pad also can be right the crossbeam with the generator plays the supporting role, avoids the crossbeam with the generator falls.

The utility model also provides a fan which comprises the wind driven generator underframe. The underframe of the wind driven generator has the same beneficial effects as the fan, and the description is omitted.

Drawings

FIG. 1 is a schematic view of a wind turbine undercarriage in an embodiment of the utility model;

FIG. 2 is an enlarged view of a portion of the utility model at A in FIG. 1;

FIG. 3 is a schematic structural view of a main beam in an embodiment of the utility model;

FIG. 4 is an enlarged view of a portion of the present invention at B of FIG. 3;

FIG. 5 is a schematic structural view of a beam in an embodiment of the utility model;

fig. 6 is a front view of a cross member in an embodiment of the utility model.

Description of reference numerals:

1-girder, 2-girder, 3-mounting seat, 4-base, 5-backing plate, 11-girder body, 12-girder top plate, 13-girder support plate, 14-avoidance port, 21-girder body, 22-standing plate, 23-bottom plate, 24-reinforcing plate, 25-intermediate connecting plate, 26-hollow structure, 27-second connecting hole, 31-mounting plate, 32-rib plate, 33-first connecting hole, 231-first bending section, 232-second bending section, 233-third bending section and 41-third connecting hole.

Detailed Description

In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in detail below.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

In the description herein, references to the terms "an embodiment," "one embodiment," and "an implementation," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or implementation is included in at least one embodiment or example implementation of the utility model. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or implementation. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or implementations.

Also, in the drawings, the Z-axis represents a vertical direction, that is, an up-down direction, and a positive direction of the Z-axis (that is, an arrow direction of the Z-axis) represents an up direction, and a negative direction of the Z-axis (that is, a direction opposite to the positive direction of the Z-axis) represents a down direction; in the drawings, the X-axis represents the left-right direction, and the positive direction of the X-axis (i.e., the arrow direction of the X-axis) represents the right, and the negative direction of the X-axis (i.e., the direction opposite to the positive direction of the X-axis) represents the left; in the drawings, the Y-axis represents the front-rear direction, and the positive direction of the Y-axis (i.e., the arrow direction of the Y-axis) represents the front, and the negative direction of the Y-axis (i.e., the direction opposite to the positive direction of the Y-axis) represents the rear; it should also be noted that the foregoing Z-axis, Y-axis, and X-axis representations are merely intended to facilitate the description of the utility model and to simplify the description, and are not intended to indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, and are not to be construed as limiting the utility model.

The embodiment of the utility model provides a wind driven generator underframe, which comprises at least one cross beam 2, two main beams 1 and at least two mounting seats 3, wherein each main beam 1 is connected with at least one mounting seat 3, the mounting seats 3 are arranged below the cross beam 2, two ends of the cross beam 2 are detachably connected with the mounting seats 3 on different main beams 1, the mounting seats 3 are suitable for supporting the cross beam 2, and the cross beam 2 is suitable for mounting a generator, as shown in fig. 1 and 2.

That is, the cross beam 2 may be connected to the main beam 1 through the mounting seat 3. Optionally, the cross beam 2 may be directly connected to the main beam 1 while being connected to the main beam 1 through the mounting seat 3. The number of the cross beams 2 may be only one, or two, three or more, and is determined according to the type of the generator. The mounting seat 3 can be in screw fastening connection or welding connection with the main beam 1; the cross beam 2 can be detachably connected with the mounting base 3, and specifically can be connected in a screw fastening, pin connection or riveting manner. The generator can be connected directly to the cross member 2 or can be connected to the cross member 2 via an intermediate connection.

In an embodiment, the underframe of the wind turbine further comprises a fastener, the mounting seat 3 is provided with a first connecting hole 33, the cross beam 2 is provided with a second connecting hole 27, the first connecting hole 33 and the second connecting hole 27 are arranged along a vertical direction, the positions of the first connecting hole 33 and the second connecting hole 27 correspond to each other, and the fastener penetrates through the first connecting hole 33 and the second connecting hole 27 to realize the connection between the cross beam 2 and the mounting seat 3. Here, the fastening member may be a fastening bolt, which is coupled to a nut after passing through the first coupling hole 33 and the second coupling hole 27; the fastening member may also be a pin joint member, and the riveting connection between the mounting seat 3 and the cross beam 2 is realized after the pin joint member passes through the first connecting hole 33 and the second connecting hole 27. Since the first connection hole 33 and the second connection hole 27 are vertically arranged, when the fastener is inserted into the first connection hole 33 and the second connection hole 27, the fastener may not bear the weight of the generator, and alignment of the first connection hole 33 and the second connection hole 27 is more facilitated.

In one embodiment, there is only one cross beam 2, there are two mounting seats 3, one mounting seat 3 is respectively disposed on each main beam 1, two ends of the length direction (i.e., the X-axis direction in fig. 1) of the cross beam 2 are respectively connected to the mounting seats 3 on different main beams 1, and the main beams 1 are disposed along the Y-axis direction. In one embodiment, there are two cross beams 2, two mounting seats 3 are installed on each main beam 1, the cross beams 2 are arranged along the X-axis direction, and one mounting seat 3 is respectively arranged at two ends of each cross beam 2 in the length direction.

In one embodiment, when the generator is installed, the installation seat 3 may be installed on the main beam 1, the cross beam 2 is placed on the installation seat 3, the cross beam 2 is connected with the installation seat 3, then the main beam 1 is connected with a cast main frame in a main nacelle of a wind turbine, and finally the generator is installed on the cross beam 2. In one embodiment, when the generator is installed, the installation seat 3 may be installed on the main beam 1, then the main beam 1 is connected to a cast main frame in a main nacelle of a wind turbine, then the generator is installed on the cross beam 2, and finally the cross beam 2 is placed on the installation seat 3, and the cross beam 2 is connected to the installation seat 3.

Therefore, the mounting seat 3 is arranged on the main beam 1, the cross beam 2 is mounted on the mounting seat 3 by passing a fastener through the vertically arranged first connecting hole 33 and the vertically arranged second connecting hole 27, so that the cross beam 2 is supported and mounted, which is equivalent to indirectly supporting the generator through the mounting seat 3 before the generator is mounted, and then the cross beam 2 is connected with the mounting seat 3 to mount the generator, so that extra personnel is prevented from holding the generator in the generator mounting process, the mounting process is simpler and more convenient, the cost of manpower and material resources is saved, and the generator is prevented from falling in the mounting process. When will crossbeam 2 with when the generator is dismantled together, mount pad 3 also can be right crossbeam 2 with the generator plays the supporting role, avoids crossbeam 2 with the generator falls.

As shown in fig. 1, the underframe of the wind driven generator further comprises at least two bases 4, at least two bases 4 are respectively mounted on each cross beam 2, the bases 4 are located above the cross beams 2, the bases 4 are suitable for supporting and mounting the generator, third connecting holes 41 are formed in the bases 4, the third connecting holes 41 are vertically arranged, and the third connecting holes 41 are suitable for being matched with bolt holes in the generator.

In this embodiment, the base 4 may be connected to the beam 2 by welding or by a middle connector, the height of the base 4 may be determined according to the height required for actually installing the generator, the third connection hole 41 is formed in the top wall or the top plate of the base 4, when the generator is installed, the generator may be first placed on the base 4, then the installation hole of the generator is aligned to the third connection hole 41 of the base 4 by moving the position of the generator, and then the generator is installed by fastening screws.

Therefore, the generator is lifted through the base 4, so that the installation space is larger, and the interference of the main beam 1 or the cross beam 2 on the installation of the generator caused when the generator is directly connected with the cross beam 2 is avoided.

As shown in fig. 3 and 4, the main beam 1 includes a main beam body 11 and a main beam support plate 13 that are connected to each other, the main beam support plate 13 is perpendicular to the main beam body 11, the main beam support plate 13 is located below the mounting seat 3, and the mounting seat 3 is connected to the main beam support plate 13 and the main beam body 11, respectively.

In this embodiment, the main beam 1 may have an i-shaped structure, the main beam 1 further includes a main beam top plate 12, the main beam body 11 and the main beam support plate 13 and between the main beam top plates 12, the main beam body 11 is respectively connected with the main beam support plate 13 and the main beam top plate 12, the mounting seat 3 is located between the main beam support plate 13 and between the main beam top plates 12, adjacent two ends of the mounting seat 3 are respectively connected with the main beam support plate 13 and the main beam body 11, specifically, the mounting seat 3 may be in screw fastening connection or welding connection with the main beam support plate 13 or the main beam body 11. Here, as shown in fig. 3, the main beam body 11 is perpendicular to the X axis (disposed in the vertical direction), and the main beam stay 13 and the main beam top plate 12 are perpendicular to the Z axis (disposed in the horizontal direction).

Therefore, when the mounting base 3 is mounted, the mounting base 3 can be placed on the main beam support plate 13 first, so that the mounting base 3 can be aligned conveniently, and the mounting base 3 can be supported by the main beam support plate 13; after the generator is mounted on the cross beam 2, the main beam support plate 13 can also indirectly support the generator.

In this embodiment, the base 4 is installed at two ends of the beam 2, and since the beam 2 is located between the main beam support plate 13 and the main beam top plate 12, an avoidance port 14 can be formed in the main beam top plate 12, so as to achieve avoidance of the base 4.

As shown in fig. 4, the mounting seat 3 includes a mounting plate 31 and at least two rib plates 32, each rib plate 32 is connected to the mounting plate 31, the rib plate 32 is perpendicular to the mounting plate 31, the rib plate 32 is connected to the main beam support plate 13 and the main beam body 11, the first connection hole 33 is opened in the mounting plate 31, and the mounting plate 31 is connected to the cross beam 2.

In this embodiment, the rib plates 32 are vertically arranged, different rib plates 32 are parallel to each other, the rib plates 32 are connected with the mounting plate 31 by welding or other connecting members, the mounting plate 31 is horizontally arranged, and the rib plates 32 are perpendicular to the Y axis. The lower end of the rib plate 32 is attached to the main beam support plate 13, the left end (the opposite end of the X axis) of the rib plate 32 is attached to the main beam body 11, and the rib plate 32 and the main beam support plate 13 or the main beam body 11 may be connected by welding or by other connecting pieces.

Therefore, the mounting plate 31 is connected with at least two rib plates 32, so that the material of the mounting seat 3 can be saved, the weight of the mounting seat 3 is lighter, and the strength of the mounting seat 3 can be increased.

As shown in fig. 2 to 6, the cross beam 2 includes a cross beam body 21, an intermediate connecting plate 25 and a bottom plate 23, the cross beam body 21 and the bottom plate 23 are disposed opposite to each other, the intermediate connecting plate 25 is located between the cross beam body 21 and the bottom plate 23, the intermediate connecting plate 25 is respectively connected to the cross beam body 21 and the bottom plate 23, the second connecting hole 27 is opened in the bottom plate 23, the bottom plate 23 is connected to the mounting base 3, and the cross beam body 21 is suitable for mounting the generator. In this embodiment, the beam 2 may have an i-shaped structure, the intermediate connection plate 25 is respectively connected to the beam body 21 and the bottom plate 23 by welding or by a connector, the beam body 21 and the bottom plate 23 are respectively perpendicular to the Z axis, the intermediate connection plate 25 is perpendicular to the Y axis, and the bottom plate 23 is attached to the mounting seat 3. Therefore, the intermediate connecting plate 25 is connected to the beam body 21 and the bottom plate 23, respectively, so that the material of the beam 2 can be saved, the beam 2 can be made lighter, and the strength of the beam 2 can be increased.

As shown in fig. 2, 5 and 6, the cross beam 2 further includes two vertical plates 22, the two vertical plates 22 are disposed at two ends of the cross beam body 21 in the length direction, the vertical plates 22 are respectively connected to the cross beam body 21, the middle connecting plate 25 and the bottom plate 23, and the vertical plates 22 are connected to the main beam 1.

In this embodiment, the vertical plate 22 is perpendicular to the middle connection plate 25 and the beam body 21, that is, the vertical plate 22 is perpendicular to the X axis, the vertical plate 22 is detachably connected to the main beam 1, and the vertical plate 22 and the main beam 1 may be fastened by screws or connected by a middle connection member. That is, when the cross beam 2 is mounted on the mounting seat 3, the cross beam 2 is also connected to the main beam 1.

Therefore, the overall strength of the cross beam 2 can be enhanced by arranging the vertical plate 22, and in addition, the overall strength of the underframe of the wind driven generator can be enhanced by connecting the vertical plate 22 with the main beam 1.

As shown in fig. 4, the underframe of the wind driven generator further comprises a backing plate 5, and the backing plate 5 is arranged between the main beam 1 and the vertical plate 22. The thickness of the base plate 5 can be determined according to the distance between the cross beam 2 and the main beam 1, mounting holes can be formed in the base plate 5, and screws respectively penetrate through the mounting holes in the vertical plate 22, the base plate 5 and the main beam 1 and then are connected with nuts, so that the vertical plate 22, the base plate 5 and the main beam 1 are fastened by the screws. Through the setting of backing plate 5, can be right the flatness of crossbeam 2 is adjusted, also can increase crossbeam 2 with the pretightning force between the girder 1.

As shown in fig. 6, the middle connection plate 25 may further have a hollow structure 26, and specifically, the hollow structure 26 may be a hole with various shapes, such as a cartoon pattern, a square, a circle, or other irregular shapes.

As shown in fig. 5 and 6, the bottom plate 23 is of a bending structure, the bottom plate 23 includes a first bending section 231, a second bending section 232 and a third bending section 233 which are connected in sequence, the first bending section 231 and the third bending section 233 are respectively arranged opposite to the beam body 21, the second bending section 232 is opposite to the third bending section which is bent towards one side of the beam body 21, the second connecting hole 27 is formed in the third bending section 233, and the third bending section 233 is connected with the mounting seat 3.

In this embodiment, the second section 232 of bending with the third section 233 of bending has two respectively, two the second section 232 of bending respectively with the relative both ends of first section 231 of bending are connected, each the third section 233 of bending respectively with each the second section 232 of bending is connected, first section 231 of bending the second section 232 of bending with third section 233 a body coupling, the second section 232 of bending is equivalent to the transitional coupling section, the second section 232 of bending can also be the arcwall face structure for planar structure, first section 231 of bending with third section 233 of bending is horizontal setting respectively, also can say, first section 231 of bending with third section 233 of bending respectively with the crossbeam body 21 is parallel. Thus, the bottom plate 23 is provided with a bent structure, so that the overall strength of the cross member 2 can be enhanced.

As shown in fig. 2, the cross beam 2 further includes a reinforcing plate 24, the reinforcing plate 24 is located between the cross beam body 21 and the bottom plate 23, the reinforcing plate 24 is connected to the intermediate connecting plate 25, and the reinforcing plate 24 is further connected to the cross beam body 21 and/or the bottom plate 23. The reinforcing plate 24 is perpendicular to the X axis, the reinforcing plate 24 may be connected to the intermediate connecting plate 25 and the beam body 21, the reinforcing plate 24 may be connected to the intermediate connecting plate 25 and the bottom plate 23, and the reinforcing plate 24 may be connected to the intermediate connecting plate 25, the beam body 21, and the bottom plate 23. The reinforcing plate 24 is provided to enhance the overall strength of the cross member 2.

The embodiment provides a fan, which comprises the wind driven generator underframe. The underframe of the wind driven generator has the same beneficial effects as the fan, and the description is omitted.

Although the present disclosure has been described above, the scope of the present disclosure is not limited thereto. Various changes and modifications may be effected therein by one of ordinary skill in the pertinent art without departing from the spirit and scope of the present disclosure, and these changes and modifications are intended to be within the scope of the present disclosure.

Claims

1. The utility model provides a wind driven generator chassis, its characterized in that includes at least one crossbeam (2), two girder (1) and two at least mount pads (3), every be connected with at least one respectively on girder (1) mount pad (3), mount pad (3) set up in crossbeam (2) below, the both ends of crossbeam (2) respectively with different on girder (1) mount pad (3) can be dismantled and connect, mount pad (3) are suitable for the support crossbeam (2).

2. The wind turbine underframe of claim 1, further comprising a fastener, wherein the mounting seat (3) is provided with a first connecting hole (33), the cross beam (2) is provided with a second connecting hole (27), the first connecting hole (33) and the second connecting hole (27) are arranged along a vertical direction, and the fastener is adapted to pass through the first connecting hole (33) and the second connecting hole (27) to connect the cross beam (2) and the mounting seat (3).

3. The wind turbine chassis according to claim 2, characterized in that the main beam (1) comprises a main beam body (11) and a main beam support plate (13) which are connected with each other, the main beam support plate (13) is perpendicular to the main beam body (11), the main beam support plate (13) is located below the mounting seat (3), and the mounting seat (3) is respectively connected with the main beam support plate (13) and the main beam body (11).

4. The wind driven generator underframe according to claim 3, wherein the mounting base (3) comprises a mounting plate (31) and at least two rib plates (32), each rib plate (32) is connected with the mounting plate (31), the rib plates (32) are perpendicular to the mounting plate (31), the rib plates (32) are connected with the main beam support plate (13) and the main beam body (11), and the first connecting hole (33) is formed in the mounting plate (31).

5. Wind turbine generator underframe according to claim 2, characterized in that the crossbeam (2) comprises a crossbeam body (21), an intermediate connecting plate (25) and a bottom plate (23), the crossbeam body (21) and the bottom plate (23) being oppositely arranged, the intermediate connecting plate (25) being located between the crossbeam body (21) and the bottom plate (23), the intermediate connecting plate (25) being connected to the crossbeam body (21) and the bottom plate (23), respectively, the second connecting hole (27) opening in the bottom plate (23), the crossbeam body (21) being adapted to mount the generator.

6. The wind driven generator underframe according to claim 5, wherein the crossbeam (2) further comprises two vertical plates (22), the two vertical plates (22) are arranged at two ends of the crossbeam body (21) in the length direction, the vertical plates (22) are respectively connected with the crossbeam body (21), the middle connecting plate (25) and the bottom plate (23), and the vertical plates (22) are detachably connected with the main beam (1).

7. The wind turbine underframe according to claim 5, wherein the bottom plate (23) is of a bent structure, the bottom plate (23) comprises a first bent section (231), a second bent section (232) and a third bent section (233) which are sequentially connected, the first bent section (231) and the third bent section (233) are respectively arranged opposite to the beam body (21), the second bent section (232) is bent towards one side of the beam body (21) relative to the third bent section (233), and the second connecting hole (27) is formed in the third bent section (233).

8. Wind turbine foundation according to claim 6, further comprising a pad (5), said pad (5) being arranged between said main beam (1) and said vertical plate (22).

9. The wind driven generator underframe according to claim 1, further comprising bases (4), wherein at least two bases (4) are respectively mounted on each crossbeam (2), the bases (4) are located above the crossbeams (2), the bases (4) are suitable for supporting the generator, third connecting holes (41) are formed in the bases (4), the third connecting holes (41) are vertically arranged, and the third connecting holes (41) are suitable for being matched with the connecting holes in the generator.

10. A wind turbine comprising a wind turbine chassis according to any of claims 1 to 9.