CN210033728U

CN210033728U - Platform and structural component of wind generating set

Info

Publication number: CN210033728U
Application number: CN201920923331.0U
Authority: CN
Inventors: 薛英保; 崔矞飞; ***; 何立柱
Original assignee: Beijing Goldwind Science and Creation Windpower Equipment Co Ltd
Current assignee: Beijing Goldwind Science and Creation Windpower Equipment Co Ltd
Priority date: 2019-06-18
Filing date: 2019-06-18
Publication date: 2020-02-07
Anticipated expiration: 2029-06-18

Abstract

The application provides wind generating set's platform and structural component relates to wind generating set technical field. The platform includes: a platform panel; the window is arranged on the platform panel and is used for people and/or equipment to enter and exit; the first connecting plates are arranged along the circumferential direction of the bottom of the platform panel and are used for being fixedly connected with the mounting surface of the wind generating set; and the at least two second connecting plates are arranged on the side surface of the platform panel and are used for being fixedly connected with the mounting surface. The structural assembly comprises at least one of a tower, a nacelle, a generator and a platform of the wind turbine. The connecting structure of the platform and the wind generating set is simple and stable in connection, and the working safety of workers on the platform is guaranteed. Moreover, the platform can be suitable for towers, engine rooms and generators of wind generating sets, and is wide in applicability and strong in practicability.

Description

Platform and structural component of wind generating set

Technical Field

The application relates to the technical field of wind generating sets, in particular to a platform and a structural component of a wind generating set.

Background

With the continuous development and maturity of the wind generating set technology, the requirements on the existing wind generating set are higher and higher, wherein the platform belongs to an indispensable structure in the wind generating set and comprises a platform in a tower, a platform in a cabin or a platform in a generator.

At present, the prior art discloses an inside work platform of wind generating set wheel hub, the technical scheme that this platform adopted includes circular shape work platform, the detachable center pin is installed to the work platform bottom, the center pin bottom is equipped with the axle bed, the lateral wall is equipped with gliding axle sleeve from top to bottom, the top is equipped with radial crossbeam, it has radial first support frame to articulate on the axle bed, it has radial second support frame to articulate between first support frame and the axle sleeve, the upper end of first support frame is connected in work platform's edge, be equipped with the location portion that is used for fixing a position the axle sleeve on the center pin lateral wall, the crossbeam supports in work platform bottom, and its front end is bent upwards and is formed with the couple, the couple is used for articulating with.

The working platform is limited by opening and closing the supporting structure arranged below the working platform, and is further reinforced and connected in a hanging mode of the hook and the hole.

However, the inventor of the present application has found that the platform of the prior art has a complicated connection structure and an unstable connection mode, and thus, a safety hazard exists when a worker works on the platform.

SUMMERY OF THE UTILITY MODEL

The purpose of this application aims at providing a wind generating set's platform and structural component, and the platform is simple with wind generating set's connection structure and is connected stably, has ensured the work safety of staff on the platform.

In order to achieve the above object, in a first aspect, the present application provides a platform of a wind turbine generator system, including:

a platform panel;

the window is arranged on the platform panel and is used for people and/or equipment to enter and exit;

the first connecting plates are arranged along the circumferential direction of the bottom of the platform panel and are used for being fixedly connected with the mounting surface of the wind generating set;

and the at least two second connecting plates are arranged on the side surface of the platform panel and are used for being fixedly connected with the mounting surface.

Optionally, the outer edge of the platform panel is provided with a ring beam, and the first connecting plate is arranged at the bottom of the ring beam;

the first connecting plate is fixedly connected with the mounting surface of the generator set in a welding, riveting or bolt connection mode.

Optionally, at least two cross beams are arranged at the bottom of the platform panel;

the two cross beams are respectively positioned at two sides of the window;

two ends of each cross beam penetrate through the ring beam and extend to the side face of the platform panel;

the two second connecting plates are respectively arranged at two ends of the cross beam; or the four second connecting plates are respectively arranged on two sides of two ends of the cross beam;

the second connecting plate is fixedly connected with the mounting surface in a welding, riveting or bolt connection mode.

Optionally, the platform panel has an opening formed by an outer edge of the platform panel being recessed inwardly, the opening being located at one side of the window.

Optionally, the bottom of the platform panel is further provided with an inclined strut, one end of the inclined strut is fixedly connected to the cross beam close to one side of the opening, and the other end of the inclined strut extends to the ring beam along the other side of the opening and is fixedly connected to the ring beam.

Optionally, two ends of the inclined strut are respectively provided with an inwards concave arc-shaped connecting sheet;

the ring beam and the cross beam are respectively provided with a connecting seat connected with the connecting sheet;

the connecting seat comprises a first connecting part and a second connecting part, the first connecting part is in a circular ring shape, and the second connecting part is connected to the ring beam or the cross beam;

the outer surface of the first connecting part is in a tooth shape, the inner surface of the connecting piece is in a tooth shape which is matched and meshed with the outer surface of the first connecting part, and the connecting piece is detachably and fixedly connected with the first connecting part.

Optionally, the platform panel is fixedly connected with the cross beam through bolts, and a connecting part is correspondingly arranged at the bottom of the platform panel;

the connecting part comprises a threaded hole used for being matched with the bolt and a cavity structure which is positioned above the threaded hole and communicated with the threaded hole;

if the bolt is screwed into the threaded hole, the upper end of the bolt is positioned in the cavity structure and is not contacted with the inner wall of the cavity structure.

Optionally, the platform panel is formed by splicing profiles or plates made of a first material;

the first material comprises at least one of aluminum alloy, aluminum-magnesium alloy, titanium alloy, aluminum-silicon alloy, aluminum-copper alloy, aluminum-magnesium alloy and aluminum-zinc alloy.

Optionally, a guard rail is arranged on the top of the platform panel, and the guard rail at least surrounds part of the edge of the window;

the protective guard is provided with a switchable switch door;

the platform panel is also provided with a turnover cover plate, one side of the cover plate is pivoted with the platform panel, and the other side of the cover plate can be placed on the platform panel;

the cover plate covering area is communicated with the window, and the guard rail is in an open state at the cover plate.

In a second aspect, the present application provides a structural assembly of a wind turbine generator system, the structural assembly comprising at least one of a tower, a nacelle, and a generator, including a platform of the wind turbine generator system described above;

the platform is fixed at the installation surface of the structural component; the mounting surface of the structural component comprises at least one of: the inner wall of the tower, the surface of a casting or structural member within the nacelle, and the surface of a mounting structure within the generator.

Compared with the prior art, the scheme of the application has the following advantages:

(1) the platform of this application is through a plurality of first connecting plates that are located platform panel bottom and two at least second connecting plates that are located platform panel side and wind generating set's installation face fixed connection. The mode that adopts first connecting plate and second connecting plate to combine together for platform and wind generating set's connection is stable, has ensured constructor's work safety on the platform. And the first connecting plate and the second connecting plate are simple in structure and can be fixedly connected with the mounting surface of the wind generating set in a welding, riveting or bolt connection mode. In addition, the window has been seted up to the platform panel, can directly carry out construction operation from the bottom of platform to the platform panel, and personnel and/or equipment of being convenient for pass in and out.

(2) The platform of the application can be suitable for in wind generating set's pylon, cabin, the generator, can fix on the surface of the mounting structure in pylon inner wall, the foundry goods or the structure in the cabin, the generator, and be suitable for extensively, the practicality is strong.

(3) The utility model provides a section bar that the platform panel took first material or the panel concatenation of first material forms, and first material is light material, the weight of the current platform of can effectual reduction to greatly reduced has the cost of platform from production to installation and hoist and mount, and the installer of being convenient for simultaneously installs. Moreover, the first material comprises at least one of aluminum alloy, aluminum-magnesium alloy, titanium alloy, aluminum-silicon alloy, aluminum-copper alloy, aluminum-magnesium alloy and aluminum-zinc alloy, and is various in selection and convenient to produce and manufacture.

Additional aspects and advantages of the present application will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the present application.

Drawings

The foregoing and/or additional aspects and advantages of the present application will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:

FIG. 1 is a schematic structural diagram of a platform of a wind turbine generator system according to an embodiment of the present application;

FIG. 2 is a schematic structural view of the back side of a platform of a wind generating set according to an embodiment of the present application;

FIG. 3 is a schematic view of the structure of part A in FIG. 2;

FIG. 4 is a schematic view of a connecting seat structure according to an embodiment of the present application;

FIG. 5 is a schematic view of the mating engagement of the connecting base and the connecting piece according to the embodiment of the present application;

FIG. 6 is a schematic view of the connection between the deck plate and the cross member of FIG. 2;

FIG. 7 is a schematic top view of a second web and beam connection according to an embodiment of the present disclosure;

fig. 8 is a front view structural schematic diagram of the connection between the second connecting plate and the cross beam according to the embodiment of the application.

Reference numerals: 1-platform panel, 2-window, 3-first connecting plate, 4-second connecting plate, 5-ring beam, 6-cross beam, 7-opening, 8-inclined strut, 9-connecting plate, 10-connecting seat, 101-first connecting part, 102-second connecting part, 11-connecting part, 111-threaded hole, 112-cavity structure, 12-bolt, 13-protective guard, 14-switch door and 15-cover plate.

Detailed Description

Reference will now be made in detail to embodiments of the present application, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present application and are not to be construed as limiting the present application.

Example one

The embodiment of the application provides a wind generating set's platform, and as shown with reference to fig. 1, the platform includes:

a platform panel 1;

the window 2 is arranged on the platform panel 1 and is used for people and/or equipment to enter and exit;

the first connecting plates 3 are arranged along the circumferential direction of the bottom of the platform panel 1 and are used for being fixedly connected with the mounting surface of the wind generating set;

and the at least two second connecting plates 4 are arranged on the side surface of the platform panel 1 and are used for being fixedly connected with the mounting surface.

The mode that adopts first connecting plate 3 and second connecting plate 4 to combine together for platform and wind generating set's connection is stable, has ensured constructor's work safety on the platform. Moreover, the first connecting plate 3 and the second connecting plate 4 are simple in structure and can be realized by adopting a plate-shaped metal structure. The wind generating set can be fixedly connected with a mounting surface of the wind generating set in a welding, riveting or bolt connection mode. In addition, the platform panel 1 is provided with a window 2, so that construction operation can be directly carried out from the bottom of the platform to the window 2, and personnel and/or equipment can conveniently enter and exit.

Optionally, the platform panel 1 has a ring beam 5 at its outer edge, and the first connecting plate 3 is provided at the bottom of the ring beam 5. The ring beam 5 may reinforce the platform panel 1 while facilitating the fixing of the first connection plate 3. The first connecting plate 3 can be fixed with the ring beam 5 by welding, riveting or bolt connection. In the present embodiment, the first connecting plate 3 is fixed to the bottom of the ring beam 5 by means of bolts. The ring beam 5 is formed in a form similar to that of the channel steel, and the ring beam 5 and the platform panel 1 are fixed in a welding mode, a bolt mode or a riveting mode and the like. The ring beam 5 can be an I-beam, an H-beam, a T-beam or other structures and mainly plays a role in supporting and reinforcing the platform panel 1.

Optionally, the first connecting plate 3 is fixedly connected with the mounting surface of the generator set by welding, riveting or bolting.

In an alternative embodiment, referring to fig. 1, the first connecting plate 3 is composed of a first portion and a second portion, wherein the first portion is bent to form a predetermined angle, the first portion is fixedly connected with the ring beam 5 through bolts or screws, and the second portion is fixedly connected with the mounting surface of the generator set through welding, riveting or bolting. If the first connecting plate 3 is connected with the installation surface of the generator set in a welding mode, the first connecting plate 3 and the installation surface of the generator set are made of the same material. If the first connection plate 3 is connected with the mounting surface of the generator set by riveting or bolting, the first connection plate 3 may be made of a light material, and the light material may be at least one of aluminum alloy, aluminum-magnesium alloy, titanium alloy, aluminum-silicon alloy, aluminum-copper alloy, aluminum-magnesium alloy, and aluminum-zinc alloy.

Referring to fig. 2, in an alternative embodiment, the bottom of the platform panel 1 is provided with at least two cross beams 6, and the two cross beams 6 are respectively positioned at two sides of the window 2. The cross beams 6 are used to further reinforce the structure of the platform panel 1, so that the platform panel 1 has sufficient strength to support construction work, and the strength near the window 2 can be enhanced by being positioned at both sides of the window 2. Meanwhile, when the window 2 is a square opening, a reinforcing beam can be arranged between the two cross beams 6 and is close to one side of the window 2. The stiffening beam can be connected with the platform panel 1 by welding, riveting or bolt connection and the like. The reinforcing beam can adopt an I-beam, an H-beam, a T-shaped beam or other structures and mainly plays a role in supporting the reinforcing platform panel 1. The cross beams 6 may be made of i-steel, H-steel, rectangular tube or other structures for supporting and reinforcing strength.

Alternatively, as shown in fig. 1, both ends of each cross beam 6 extend through the ring beam 5 to the sides of the platform panel 1. In practical application, a notch can be formed in the corresponding position on the ring beam 5, so that the cross beam 6 can conveniently penetrate through the notch.

Optionally, the two second connecting plates 4 are respectively disposed at two ends of the cross beam 6, as shown in fig. 1, the second connecting plates 4 are flat and fixed at two ends of the cross beam 6, the second connecting plates 4 are provided with connecting holes for bolts to pass through, and the bolts are fixed on the mounting surface of the wind turbine generator system and pass through the connecting holes to be fixedly connected with the platform. The material of the stud at the end of the bolt is the same as that of the mounting surface of the generator set, so that welding is facilitated.

Alternatively, the second connecting plate 4 is fixedly connected to the mounting surface by welding, riveting or bolting. Meanwhile, the second connecting plate 4 can also be arranged on the side surface of the ring beam 5, so that the stability of platform connection is further enhanced.

Alternatively, referring to fig. 1, the platform panel 1 has an opening 7 formed by an outer edge of the platform panel 1 being recessed inward, the opening 7 being located at one side of the window 2. In practice, the edges of the opening 7 may be provided with stiffening beams. The opening 7 can be used as an opening for the small equipment to enter and exit, so that the diversity of the platform function is enhanced, and the various kinds of equipment can enter and exit more conveniently.

Optionally, in order to reinforce the strength of the opening 7, the bottom of the platform panel 1 is further provided with a diagonal brace, one end of the diagonal brace is fixedly connected with the cross beam 6 close to one side of the opening 7, and the other end of the diagonal brace extends to the ring beam 5 along the other side of the opening 7 and is fixedly connected with the ring beam 5. The diagonal bracing 8 can serve to reinforce the structural strength of the opening 7.

Optionally, as an optional connection manner, referring to fig. 3, two ends of the inclined strut 8 are respectively provided with an inward concave circular arc-shaped connecting piece 9; the ring beam 5 and the cross beam 6 are respectively provided with a connecting seat 10 connected with the connecting sheet 9.

Referring to fig. 4, the connecting socket 10 includes a first connecting portion 101 and a second connecting portion 102, the first connecting portion 101 has a circular ring shape, and the second connecting portion 102 is connected to the ring beam 5 or the cross beam 6; the outer surface of the first connecting portion 101 is in a tooth shape; as shown in fig. 5, the inner surface of the connecting piece 9 is in the shape of teeth which are engaged with the outer surface of the first connecting portion 101, and the connecting piece 9 is detachably fixed to the first connecting portion 101.

Referring to fig. 5, the connecting plate 9 is provided with a pair of clamping plates, as shown in fig. 3, two ends of the inclined strut 8 are disposed in a gap between the pair of clamping plates, the pair of clamping plates and the inclined strut 8 are fixedly connected through a fastener, and the fastener may be a bolt, a screw, or the like. Alternatively, the first connection portion 101 and the second connection portion 102 are of an integrally molded structure. The connecting piece 9 and the connecting seat 10 can be made of light materials, for example, the light materials can be at least one of aluminum alloy, aluminum-magnesium alloy, titanium alloy, aluminum-silicon alloy, aluminum-copper alloy, aluminum-magnesium alloy and aluminum-zinc alloy.

Based on the above connection mode, one end of the inclined strut 8 is fixedly connected with a connecting sheet 9, the connecting sheet 9 is in matching tooth joint with the first connecting part 101 of the cross beam 6, and one end of the inclined strut 8 can be indirectly detachably connected with the cross beam 6 through matching tooth joint between the connecting sheet 9 and the first connecting part 101.

Similarly, the other end of the inclined strut 8 is fixedly connected with a connecting sheet 9, the connecting sheet 9 is in matching tooth joint with the first connecting part 101 of the connecting seat 10 arranged on the ring beam 5, and the other end of the inclined strut 8 and the ring beam 5 can be indirectly detachably connected through matching tooth joint between the connecting sheet 9 and the first connecting part 101.

Specifically, the first connecting portion 101 and the connecting piece 9 arc matched structure that the bracing 8 and the ring beam 5 and the crossbeam 6 adopt is equivalent to the omnipotent structure that turns to, can adjust the position of connecting, and the circular arc matched structure can strengthen area of contact simultaneously, reinforcing joint strength. Moreover, the mode that first connecting portion 101 and connection piece 9 cooperate the meshing is favorable to looking for rotation angle and preliminary location when installing connection piece 9, and after good the location, the size of opening 7 is confirmed, and connection piece 9 is through rotating certain angle after with first connecting portion 101 fixed connection to make the connection angle confirm, the position of connection piece 9 is confirmed, and then can confirm the length of bracing 8 and arrange the angle. Similarly, in practice, the arrangement position of the inclined strut 8 can be determined according to the length of the inclined strut 8, so that the connection angle is determined, and the connection piece 9 is positioned by rotating by a preset angle.

Optionally, referring to fig. 6, the platform panel 1 and the cross beam 6 are fixedly connected by bolts 12, and the bottom of the platform panel 1 is correspondingly provided with a connecting portion 11.

In an alternative embodiment, the connecting portion 11 includes a threaded hole 111 for cooperating with the bolt 12 and a cavity structure 112 located above the threaded hole 111 and communicating with the threaded hole 111;

if the bolt 12 is screwed into the screw hole 111, the upper end of the bolt 12 is located within the cavity structure 112 and does not contact the inner wall of the cavity structure 112. The cavity structure 112 is arranged in the platform panel 1, so that the structure of the platform panel 1 is prevented from being damaged when the bolts 12 are connected.

Optionally, the platform panel 1 is formed by splicing a section bar made of a first material or a plate made of the first material; the first material comprises at least one of an aluminum alloy, an aluminum magnesium alloy, a titanium alloy, an aluminum silicon alloy, an aluminum copper alloy, an aluminum magnesium alloy and an aluminum zinc alloy. Specifically, the platform panel 1 may be formed by combining a section bar and a plate material in a clamping, overlapping or riveting manner. Optionally, the structure of the whole platform can be made of the first material, so that the weight of the platform is effectively reduced, the installation is facilitated, and the hoisting cost is reduced.

The existing platform is generally designed by adopting a steel structure or mainly supported by adopting a steel structure, so that the weight of the existing platform is generally large, the production and transportation cost is high, and the installation and hoisting cost is correspondingly high. This application adopts above-mentioned light material to make, can the weight of the current platform of effectual reduction to make the cost of current platform from production to installation and hoist and mount can both greatly reduced, light material makes when on-the-spot installer installs convenient moreover. Meanwhile, the structure strength is guaranteed by combining the reinforcing structures such as the cross beam 6 and the ring beam 5.

Optionally, referring to fig. 1, the top of the platform panel 1 is provided with a guard rail 13, and the guard rail 13 at least partially surrounds the edge of the window 2 to serve as a protection facility for people to enter and exit. In practical application, the guard rail 13 is formed by welding round pipes or square pipes made of aluminum alloy or formed by hinging in a hinging manner. The guard rail 13 is connected with the platform panel 1 by bolts or riveting.

Optionally, the guard rail 13 is provided with a switchable switching door 14.

Optionally, the platform panel 1 is further provided with a reversible cover plate 15, one side of the cover plate 15 is pivoted with the platform panel 1, and the other side of the cover plate 15 can be placed on the platform panel 1. Personnel can follow apron 15 and locate the business turn over platform, and the upper surface of placing in one side of platform panel 1 at apron 15 can set up the handle, and when personnel got into the platform, directly push away apron 15 can, when personnel followed apron 15 and go out, directly mentioned the handle, can open apron 15, the setting of handle is further convenient for personnel's business turn over.

Alternatively, the cover 15 covers an area communicating with the window 2, and the guard rail 13 is in an open state at the cover 15. Personnel can enter the platform from the side of the cover 15 and also from the window through the opening and closing door 14.

Example two

This embodiment is similar to the embodiment, but in this embodiment, a structure is provided for connecting the second connecting plate 4 and the cross beam 6 when the platform is applied to the tower.

Referring to fig. 7 and 8, four second connecting plates 4 are respectively disposed on two sides of two ends of the cross beam 6, a portion of each second connecting plate 4 extending out of the cross beam 6 is bent into an arc shape to form a connecting section for connecting an inner wall of the tower, the connecting section is provided with a connecting hole for a bolt to pass through, and the inner wall of the tower is fixed with the bolt for passing through the connecting hole to be fixedly connected with the platform. The material of the stud at the end of the bolt is the same as that of the mounting surface of the generator set, so that welding is facilitated.

EXAMPLE III

The embodiment of the application also provides a structural component of the wind generating set, which comprises at least one of a tower, a cabin and a generator and a platform of the wind generating set;

the platform is fixed at the installation surface of the structural component; the mounting surface of the structural component comprises at least one of: the inner wall of the tower, the surface of a casting or structural member within the nacelle, and the surface of a mounting structure within the generator. The platform can be applied to towers, engine rooms and generators, and is wide in application and strong in practicability.

The foregoing is only a partial embodiment of the present application, and it should be noted that, for those skilled in the art, several modifications and decorations can be made without departing from the principle of the present application, and these modifications and decorations should also be regarded as the protection scope of the present application.

Claims

1. A platform for a wind turbine generator system, comprising:

a platform panel (1);

the window (2) is arranged on the platform panel (1) and is used for people and/or equipment to enter and exit;

the first connecting plates (3) are arranged along the circumferential direction of the bottom of the platform panel (1) and are used for being fixedly connected with the mounting surface of the wind generating set;

and the at least two second connecting plates (4) are arranged on the side surface of the platform panel (1) and are used for being fixedly connected with the mounting surface.

2. Platform of a wind park according to claim 1, wherein:

the outer edge of the platform panel (1) is provided with a ring beam (5), and the first connecting plate (3) is arranged at the bottom of the ring beam (5);

the first connecting plate (3) is fixedly connected with a mounting surface of the generator set in a welding, riveting or bolt connection mode.

3. Platform of a wind park according to claim 2, wherein:

the bottom of the platform panel (1) is provided with at least two cross beams (6);

the two cross beams (6) are respectively positioned at two sides of the window (2);

two ends of each cross beam (6) penetrate through the ring beam (5) and extend to the side face of the platform panel (1);

the two second connecting plates (4) are respectively arranged at two ends of the cross beam (6); or the four second connecting plates (4) are respectively arranged on two sides of two ends of the cross beam (6);

the second connecting plate (4) is fixedly connected with the mounting surface in a welding, riveting or bolt connection mode.

4. A platform of a wind park according to claim 3, wherein:

the platform panel (1) is provided with an opening (7) formed by inwards sinking the outer edge of the platform panel (1), and the opening (7) is positioned on one side of the window (2).

5. Platform of a wind park according to claim 4, wherein:

the bottom of platform panel (1) still is equipped with bracing (8), the one end of bracing (8) with be close to opening (7) one side crossbeam (6) fixed connection, the other end of bracing (8) along opening (7) other side extends to circle roof beam (5) and with circle roof beam (5) fixed connection.

6. Platform of a wind park according to claim 5, wherein:

two ends of the inclined strut (8) are respectively provided with an inwards concave arc-shaped connecting sheet (9);

the ring beam (5) and the cross beam (6) are respectively provided with a connecting seat (10) connected with the connecting sheet (9);

the connecting seat (10) comprises a first connecting part (101) and a second connecting part (102), the first connecting part (101) is in a circular ring shape, and the second connecting part (102) is connected to the ring beam (5) or the cross beam (6);

the outer surface of the first connecting part (101) is in a tooth shape, the inner surface of the connecting piece (9) is in a tooth shape which is matched and meshed with the outer surface of the first connecting part (101), and the connecting piece (9) is detachably and fixedly connected with the first connecting part (101).

7. A platform of a wind park according to claim 3, wherein:

the platform panel (1) is fixedly connected with the cross beam (6) through bolts (12), and the bottom of the platform panel (1) is correspondingly provided with a connecting part (11);

the connecting part (11) comprises a threaded hole (111) used for being matched with the bolt (12) and a cavity structure (112) which is positioned above the threaded hole (111) and communicated with the threaded hole (111);

if the bolt (12) is screwed into the threaded hole (111), the upper end of the bolt (12) is located in the cavity structure (112) and does not contact with the inner wall of the cavity structure (112).

8. Platform of a wind park according to claim 1, wherein:

the platform panel (1) is formed by splicing sectional materials or plates made of a first material;

9. Platform of a wind park according to claim 1, wherein:

the top of the platform panel (1) is provided with a guard rail (13), and the guard rail (13) at least surrounds part of the edge of the window (2);

the protective guard (13) is provided with a switchable switch door (14);

the platform panel (1) is also provided with a turnover cover plate (15), one side of the cover plate (15) is pivoted with the platform panel (1), and the other side of the cover plate (15) can be placed on the platform panel (1);

the cover plate (15) covering area is communicated with the window (2), and the protective guard (13) is in an open state at the cover plate (15).

10. A structural component of a wind turbine generator system, the structural component comprising at least one of a tower, a nacelle, and a generator, wherein: a platform comprising a wind park according to any of claims 1-9;