CN213838813U - Tower section of thick bamboo platform connection structure, tower section of thick bamboo and wind generating set - Google Patents

Abstract

The application provides a tower section of thick bamboo platform connection structure, a tower section of thick bamboo and wind generating set, this tower section of thick bamboo platform connection structure includes: the tower comprises a tower platform and a plurality of pull rod assemblies for hoisting the tower platform; the pull rod assembly comprises a pull rod, a first lifting lug and a second lifting lug, the first lifting lug is hinged with one end of the pull rod, and the second lifting lug is hinged with the other end of the pull rod; the tower drum platform comprises a plurality of profile steel frame beams which are arranged in a staggered mode and located on the same plane, and the end portions of the profile steel frame beams are detachably connected with the second lifting lugs; the first lifting lug is used for being connected with the inner cylinder wall of the tower cylinder main body. The tower drum platform is connected with the tower drum main body through the pull rod assembly with a certain rotation angle, so that the problem that the tower drum platform cannot be installed due to the elliptical deformation of a large-diameter thin-wall tower drum is solved from a design end, the possibility of reworking of site construction operation is avoided from the source, and the tower drum platform is simple in manufacturing and installation process and compact in structure; and the construction difficulty and the construction cost are reduced, and the working efficiency is improved.

Description

Tower section of thick bamboo platform connection structure, tower section of thick bamboo and wind generating set

Technical Field

The application relates to a tower section of thick bamboo technical field, specifically, this application relates to a tower section of thick bamboo platform connection structure, a tower section of thick bamboo and wind generating set.

Background

With the rapid development of the offshore wind power industry, the scale of the wind power installation is continuously enlarged, and the installation and construction efficiency and the construction cost control of accessories in an offshore tower cylinder become the focus of attention in the industry. The diameter of the current offshore wind turbine tower barrel is generally between 6.5 meters and 7.5 meters, and under the background that the weight of the tower barrel is reduced and the cost is reduced, the tower barrel is divided into sections, the single-section tower barrel is longer in design length, and the barrel wall is thinner.

Under the background, after the single-section tower drum main body finishes the procedures of corrosion prevention, transition and the like, the large-diameter thin-wall tower drum generates natural deformation due to long-time horizontal placement, and the theoretical circular section is deformed into the elliptical section. The accessory main body in the tower drum platform is formed by splicing rigid steel frame beams, the accessory main body is connected to the inner welding support of the drum wall main body through bolts, when the deformation of the large-diameter drum body is too large, the beam length of a theoretically designed beam frame cannot meet the installation size requirement, and the error is too large, so that the internal accessory platform cannot be installed.

SUMMERY OF THE UTILITY MODEL

This application provides a tower section of thick bamboo platform connection structure, a tower section of thick bamboo and wind generating set to the defect that exists among the prior art for solve current tower section of thick bamboo main part and produce the technical problem who warp and lead to the unable installation of tower section of thick bamboo platform because of horizontal placing.

In a first aspect, an embodiment of the present application provides a tower platform connection structure, including: the tower comprises a tower platform and a plurality of pull rod assemblies for hoisting the tower platform; the pull rod assembly comprises a pull rod, a first lifting lug and a second lifting lug, the first lifting lug is hinged with one end of the pull rod, and the second lifting lug is hinged with the other end of the pull rod; the tower drum platform comprises a plurality of profile steel frame beams which are arranged in a staggered mode and located on the same plane, and the end portions of the profile steel frame beams are detachably connected with the second lifting lugs; the first lifting lug is used for being connected with the inner cylinder wall of the tower cylinder main body.

Optionally, the section steel frame beam comprises an upper flange and a lower flange which are arranged oppositely, and a plurality of connecting holes are formed in the positions, close to the end parts, of the upper flange; and the second lifting lug is provided with mounting holes which are in one-to-one correspondence with the connecting holes, and the mounting holes are connected with the connecting holes in an alignment way through bolt connecting pieces.

Optionally, the handle assembly further comprises: the cushion block corresponds to the connecting hole; the second lifting lug is positioned on the upper end surface of the upper flange, and each cushion block is positioned on the lower end surface of the upper flange; each cushion block is internally provided with a reinforcing hole communicated with the connecting hole; the mounting hole, the connecting hole and the reinforcing hole are connected in an aligned mode through the bolt connecting piece in sequence.

Optionally, the cushion block is connected with the lower end face of the upper flange through welding or integrated forming.

Optionally, the tie rod assembly further comprises a reinforcing rib plate, two ends of the reinforcing rib plate are fixedly connected with the upper flange and the lower flange respectively, and the position where the reinforcing rib plate is connected with the upper flange is located between the adjacent cushion blocks.

Optionally, the first lifting lug is provided with a first lifting hole, and the second lifting lug is provided with a second lifting hole; one end of the pull rod is provided with a first pull hole, the other end of the pull rod is provided with a second pull hole, the first pull hole is hinged to the first hoisting hole through a bolt connecting piece, and the second pull hole is hinged to the second hoisting hole through a bolt connecting piece.

Optionally, the pull rod comprises a pull rod body and a forked pull rod located at one end of the pull rod body, the second pull hole is located at one end, far away from the forked pull rod, of the pull rod body, and the forked pull rod is symmetrically provided with two first pull holes; the first lifting lug is clamped between the forked pull rods, and the first lifting hole is connected with the first pull hole in an alignment mode.

Optionally, the tie rod is a flexible tie rod with a preset degree of flexibility.

Optionally, the tower platform further comprises a platform panel, and the platform panel is laid on the plurality of steel frame beams in a staggered manner.

In a second aspect, an embodiment of the present application further provides a tower drum, including: a tower body and at least one tower platform connecting structure according to the first aspect; and the first lifting lugs of the tower drum platform connecting structure are connected with the inner drum wall of the tower drum main body.

In a third aspect, an embodiment of the present application further provides a wind turbine generator system, including the tower described in the second aspect.

The technical scheme provided by the embodiment of the application has the beneficial effects that at least:

according to the tower drum platform connecting structure provided by the embodiment of the application, the tower drum platform is connected with the tower drum main body through the pull rod assembly with a certain rotation angle, so that the problem that the tower drum platform cannot be installed due to the elliptical deformation of a large-diameter thin-wall tower drum is solved from the design end, the possibility of reworking of site construction operation is avoided from the source, the manufacturing and installation process is simple, and the structure is compact; and the construction difficulty and the construction cost are reduced, and the working efficiency is improved.

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 view illustrating an installation of a tower platform connection structure and a tower body according to an embodiment of the present disclosure;

FIG. 2 is a schematic structural view of a tower platform connection structure according to an embodiment of the present disclosure;

FIG. 3 is a schematic structural view of a tie rod assembly of a tower platform coupling structure according to an embodiment of the present disclosure;

FIG. 4 is an enlarged schematic view of A in FIG. 3 according to an embodiment of the present disclosure;

FIG. 5 is a schematic structural view illustrating a second lifting lug of a tower platform connection structure according to an embodiment of the present disclosure;

FIG. 6 is a structural schematic view of a tie rod of a tower platform connection structure according to an embodiment of the present disclosure.

In the figure:

1-a tower main body; 11-inner cylinder wall;

2-a tower platform;

21-section steel frame beam; 211-upper flange; 212-lower flange; 213-a web;

22-a platform panel;

3-a tie rod assembly;

31-a pull rod; 311-first pull hole; 312-a second broaching hole; 313-a bifurcated pull rod;

32-a second lifting lug; 321-mounting holes; 322-a second lifting hole;

33-cushion blocks;

34-reinforcing rib plates;

35-a first lifting lug; 351-first lifting hole.

Detailed Description

Reference will now be made in detail to the present application, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar parts or parts having the same or similar functions throughout. In addition, if a detailed description of the known art is not necessary for illustrating the features of the present application, it is omitted. 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.

It will be understood by those within the art that, unless otherwise defined, all terms (including technical and scientific terms) used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs. It will be further understood that terms, such as those defined in commonly used dictionaries, should be interpreted as having a meaning that is consistent with their meaning in the context of the prior art and will not be interpreted in an idealized or overly formal sense unless expressly so defined herein.

As used herein, the singular forms "a", "an", "the" and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise. It will be further understood that the terms "comprises" and/or "comprising," when used in this specification, specify the presence of stated features, integers, steps, operations, elements, and/or components, but do not preclude the presence or addition of one or more other features, integers, steps, operations, elements, components, and/or groups thereof. It will be understood that when an element is referred to as being "connected" or "coupled" to another element, it can be directly connected or coupled to the other element or intervening elements may also be present. Further, "connected" or "coupled" as used herein may include wirelessly connected or wirelessly coupled. As used herein, the term "and/or" includes all or any element and all combinations of one or more of the associated listed items.

The following describes the technical solutions of the present application and how to solve the above technical problems with specific embodiments.

Referring to fig. 1 to 3, an embodiment of the present application provides a tower platform connection structure, including: the tower comprises a tower platform 2 and a plurality of pull rod assemblies 3, wherein the pull rod assemblies 3 are used for hoisting the tower platform 2.

The pull rod assembly 3 comprises a pull rod 31, a first lifting lug 35 and a second lifting lug 32, the first lifting lug 35 is hinged to one end of the pull rod 31, the second lifting lug 32 is hinged to the other end of the pull rod 31, namely, the first lifting lug 35 is connected with the second lifting lug 32 through the pull rod 31 and is movably connected with the pull rod 31.

In fig. 2, the tower platform 2 includes a plurality of profile steel frame beams 21 arranged in a staggered manner and located on the same plane, the end portions of the profile steel frame beams 21 are detachably connected to the second lifting lugs 32, and the first lifting lugs 35 are used for being connected to the inner cylinder wall 11 of the tower body 1, so that the connection between the tie rod assembly 3 and the tower platform 2 is realized.

Specifically, when the thin-walled large-diameter tower barrel body 1 is deformed elliptically, the two ends of the pull rod 31 are hinged, so that the rotation angle of the pull rod 31 can be properly adjusted to be suitable for installation of the section steel frame beam 21. For the tower platform 2, there are several extended steel frame beams 21. Therefore, the tower platform 2 requires multiple sets of tie rod assemblies 3 (one set at each end of the single steel frame beam 21) to be fixed.

According to the tower drum platform connecting structure provided by the embodiment of the application, the tower drum platform 2 is connected with the tower drum main body 1 through the pull rod assembly 3 with a certain rotation angle, so that the problem that the tower drum platform 2 cannot be installed due to the elliptical deformation of a large-diameter thin-wall tower drum is solved from the design end, the possibility of reworking of site construction operation is avoided from the source, the manufacturing and installing process is simple, and the structure is compact; and the construction difficulty and the construction cost are reduced, and the working efficiency is improved.

In some embodiments, as shown in fig. 3, 4 and 5, the section steel frame beam 21 includes an upper flange 211 and a lower flange 212 which are oppositely arranged, the upper flange 211 being a top end of the section steel frame beam 21 with reference to a vertical direction, the lower flange 212 corresponding to a bottom end of the section steel frame beam 21, and the upper flange 211 and the lower flange 212 being connected by a web 213. A plurality of connecting holes are formed in the position, close to the end, of the upper flange 211, and the connecting holes are used for connecting the section steel frame beam 21 with the second lifting lug 32 of the pull rod assembly 3.

In order to realize the detachable connection of the second lifting lug 32 and the upper flange 211 of the section steel frame beam 21, the second lifting lug 32 is provided with mounting holes 321 corresponding to the connecting holes one by one, and the mounting holes 321 are connected with the connecting holes in an alignment manner through bolt connecting pieces.

The tower section of thick bamboo platform connection structure that this application embodiment provided utilizes bolted connection spare to realize being connected dismantled of pull rod assembly 3 and tower section of thick bamboo platform 2, is favorable to tower section of thick bamboo platform 2's installation and maintenance, simple structure, easily operation.

Optionally, the number of the connecting holes on the section steel frame beam 21 is four, and the four connecting holes are arranged in an array; meanwhile, the number of the corresponding mounting holes 321 on the second lifting lug 32 is also four, so as to ensure the connection strength between the second lifting lug 32 and the steel frame beam 21.

In some embodiments, with continued reference to fig. 4, to increase the strength of the connection between the second lifting lug 32 and the steel-framed girder 21, the tie rod assembly 3 includes a spacer 33 corresponding to the attachment hole, in addition to the tie rod 31, the first lifting lug 35, and the second lifting lug 32.

In fig. 4, the second lifting lug 32 is located on the upper end surface of the upper flange 211, and each spacer 33 is located on the lower end surface of the upper flange 211, that is, the second lifting lug 32 and the spacer 33 are respectively located on two opposite sides of the upper flange 211. Each cushion block 33 is internally provided with a reinforcing hole communicated with the connecting hole, and the aperture of the reinforcing hole can be consistent with that of the connecting hole. Wherein, the mounting hole 321, the connecting hole and the reinforcing hole are connected in turn by the bolt connecting piece in an alignment manner.

It should be noted that the thickness of the spacer 33 may be set according to the requirement of the actual connection strength, which is not particularly limited in the embodiment of the present application. In addition, the number of the cushion blocks 33 may be the same as the number of the connecting holes, or one cushion block 33 may correspond to two connecting holes, that is, two reinforcing holes are formed in the same cushion block 33.

Alternatively, since the spacer 33 has a small volume, the spacer 33 may be previously coupled to the lower end surface of the upper flange 211 in order to facilitate the installation of the bolt coupling. Specifically, the cushion block 33 is connected with the lower end face of the upper flange 211 by welding or integral molding.

Alternatively, the spacers 33 are stacked on both sides of the web 213 to further improve the coupling strength of the second lifting lug 32 to the upper flange 211 of the section steel frame beam 21.

The tower section of thick bamboo platform connection structure that this application embodiment provided through the lower terminal surface at shaped steel frame roof beam 21's upper flange 211 increase cushion 33, has increased the whole thickness of upper flange 211 in other words to the joint strength of second lug 32 with shaped steel frame roof beam 21 is provided, is favorable to improving tower section of thick bamboo platform 2's structural stability and security.

In some embodiments, with continued reference to fig. 4, to further enhance the strength of the steel-frame beam 21, the tie rod assembly 3 includes a stiffener plate 34 in addition to the tie rod 31, the first lifting lug 35, the second lifting lug 32, and the spacer 33.

The upper end of the reinforcing rib plate 34 is fixedly connected with the upper flange 211, and the lower end of the reinforcing rib is fixedly connected with the lower flange 212, so that the upper flange 211 and the lower flange 212 are supported.

Alternatively, the reinforcing rib plates 34 may be symmetrically arranged on both sides of the web 213, and when the number of the pads 33 is the same as the number of the connection holes, the position where the upper end of the reinforcing rib plate 34 is connected to the upper flange 211 is located between the adjacent pads 33.

Alternatively, the upper end of the stiffener may be directly secured to the spacer 33, the stiffener being secured to the upper flange 211 by the spacer 33, for the spacer 33 on one side of the web 213 being integral.

The tower section of thick bamboo platform connection structure that this application embodiment provided sets up deep floor plate 34 between upper flange 211 and the bottom flange 212 at shaped steel frame roof beam 21 to improved shaped steel frame roof beam 21's structural strength, further increased the structural stability of pull rod assembly 3 and tower section of thick bamboo platform 2.

In some embodiments, the specific manner of the hinge connection between the first lifting lug 35 and the second lifting lug 32 and the pull rod 31 is as follows:

as shown in fig. 3 to 6, the first lifting lug 35 is provided with a first lifting hole 351, and the second lifting lug 32 is provided with a second lifting hole 322. One end of the pull rod 31 is provided with a first pull hole 311, the other end of the pull rod 31 is provided with a second pull hole 312, the first pull hole 311 is hinged with the first hoisting hole 351 through a bolt connecting piece, and the second pull hole 312 is hinged with the second hoisting hole 322 through a bolt connecting piece.

Specifically, the first lifting lug 35 and the second lifting lug 32 are both provided with lifting holes, the two ends of the pull rod 31 are correspondingly provided with pull holes, and the connection between the pull rod assembly 3 and the tower main body 1 and the tower platform 2 is realized through the hinge connection between the pull holes and the lifting holes.

In addition, in order to satisfy the stability requirement of tower section of thick bamboo platform 2, corresponding articulated department all realizes fastening through bolted connection spare. When the bolt connecting piece is not completely locked, the first lifting lug 35 and the pull rod 31 and the second lifting lug 32 and the pull rod 31 can move, so that the connecting angles between the tower platform 2 and the pull rod assembly 3 and between the pull rod assembly 3 and the tower body 1 can be conveniently adjusted.

Alternatively, the first lifting lug 35 and the second lifting lug 32 in the embodiment of the present application may be both of conventional lifting lug structures, wherein the portion of the first lifting lug 35 used for connecting with the tower body 1 and the portion of the second lifting lug 32 used for connecting with the steel frame beam 21 are both of plate-shaped structures, and the lifting hole may be located in a protruding structure extending outwards from the plate-shaped structures.

The tower drum platform connecting structure provided by the embodiment of the application is hinged with the pull hole on the pull rod 31 through the lifting hole on the lifting lug, so that the structure is simple, and the support is easy; the pull rod 31 is connected with the pull hole through the bolt connecting piece, the angle between the pull rod 31 and the lifting lug can be freely adjusted when the bolt connecting piece is not screwed down, the structural stability of the tower drum platform 2 can be improved after the bolt connecting piece is screwed down, and the safety of personnel can be guaranteed.

In some embodiments, with continued reference to fig. 6, the configuration of the tie bar 31 may be adjusted to facilitate the mounting of the tie bar 31 with the first lifting lug 35. The pull rod 31 comprises a pull rod 31 body and a forked pull rod 313 located at one end of the pull rod 31 body, the second pull hole 312 is located at one end, away from the forked pull rod 313, of the pull rod 31 body, and two first pull holes 311 are symmetrically arranged on the forked pull rod 313. The first lifting lug 35 is clamped between the forked pull rods 313, and the first lifting hole 351 is connected with the first pull hole 311 in an alignment manner.

Specifically, the bifurcated pull rod 313 can be regarded as being divided into two struts by the end of the pull rod 31 body away from the second pull hole 312, and the two struts are symmetrically arranged, similar to the structure of a fork. Two first pull holes 311 are symmetrically arranged at one end, far away from the pull rod 31 body, of the bifurcated pull rod 313, the first lifting lug 35 is a lifting lug with a single-lug structure, the first lifting lug 35 is clamped between the bifurcated pull rod 313, and after the first lifting hole 351 and the two second pull holes 312 are arranged in a contraposition mode, the first lifting hole 351 and the two second pull holes 312 are connected through a bolt connecting piece. The second lifting lug 32 can be directly aligned with the second lifting hole 322 on the body of the pull rod 31, and then the second lifting hole 322 is connected with the second pull hole 312 by using a bolt connector.

Alternatively, the second lifting lug 32 may also be a lifting lug with a double-lug structure, two second lifting holes 322 are symmetrically arranged on the double-lug structure protruding from the lifting lug, and the center lines of the two second lifting holes 322 coincide. One end of the body of the pull rod 31, which is far away from the first lifting lug 35, is clamped in the double-lug structure, so that the second pull hole 312 is located between the two second hoisting holes 322, and the alignment connection is realized through a bolt connecting piece.

The tower section of thick bamboo platform connection structure that this application embodiment provided adjusts through the connection structure to pull rod 31 and lug, can make things convenient for the counterpoint installation of pull rod 31 and lug, has promoted pull rod assembly 3's installation effectiveness to practice thrift the human cost.

Alternatively, the tie bar 31 in the embodiment of the present application may be a flexible tie bar 31 having a preset degree of flexibility. For example, the flexible pull rod 31 may be a spring rod or a metal cable, and the flexibility parameter of the flexible pull rod 31 in this embodiment may not be specifically limited, so as to ensure that the pull rod 31 has a certain flexibility.

In this embodiment, when the single-section tower drum main body 1 is deformed elliptically, since the pull rod 31 has a certain flexibility and the two ends thereof are connected by bolts, the assembly of the section steel beam can be coordinated by properly adjusting the angle of the pull rod 31 and utilizing the certain flexibility of the pull rod, so that the purpose that even if the tower drum main body 1 is deformed elliptically to a certain degree, the accessories in the tower drum platform 2 can be smoothly installed is achieved.

Optionally, in order to facilitate work on the tower platform 2 by the staff, the tower platform 2 comprises platform panels 22 in addition to the steel frame girders 21, as shown in fig. 2. In order to adapt to the internal structure of the tower body 1, the platform panel 22 is also generally a circular plate-shaped structure, and certainly, considering that the size of the platform panel 22 is large, the platform panel can be implemented by a multi-block assembly mode. The platform panel 22 is laid on a plurality of steel frame beams 21 arranged in a staggered manner, and can be fixedly connected with the steel frame beams 21 through bolts or fasteners.

Based on the same inventive concept, with continued reference to fig. 1, an embodiment of the present application further provides a tower drum, including: the tower body 1 and at least one of the tower platform connecting structures described above in the embodiments of the present application, the first lifting lug 35 (the end of the tie rod assembly 3 away from the tower platform 2) of the tower platform connecting structure are both connected to the inner wall 11 of the tower body 1.

For a plurality of tower platforms 2, different tower platforms 2 may be arranged at intervals along the length extension direction (vertical direction in this embodiment) of the tower body 1, and are respectively connected to the inner cylinder wall 11 of the tower body 1 by different tie rod assemblies 3, so as to meet the operation requirements of the tower platforms 2 with different heights.

Alternatively, the first lifting lug 35 is vertically welded along the circumferential direction of the tower body 1 according to the distribution form of the end part of the steel frame beam 21, theoretically located right above the tie rod 31 assembled at the end part of the beam, the first lifting lug 35 is connected with the tower body 1 through the tie rod 31, and when the elliptical deformation of the tower body 1 occurs, the steel frame beam 21 can be assembled cooperatively by properly adjusting the angle of the tie rod 31.

The tower drum provided by the embodiment of the application comprises the tower drum platform connecting structure in the embodiment, the tower drum platform 2 of the tower drum is connected with the tower drum main body 1 through the pull rod assembly 3 with a certain rotating angle, and the problem that the tower drum platform 2 cannot be installed due to the elliptical deformation of a large-diameter thin-wall tower drum is solved from the design end, so that the possibility of reworking of site construction operation is avoided from the source, the manufacturing and installing process is simple, and the structure is compact; and the construction difficulty and the construction cost are reduced, and the working efficiency is improved.

Based on the same inventive concept, the embodiment of the application also provides a wind generating set, which comprises the tower drum.

By applying the embodiment of the application, at least the following beneficial effects can be realized:

1. the tower drum platform is connected with the tower drum main body through the pull rod assembly with a certain rotation angle, so that the problem that the tower drum platform cannot be installed due to the elliptical deformation of the large-diameter thin-wall tower drum is solved from the design end, the possibility of reworking of site construction operation is avoided from the source, and the tower drum platform is simple in manufacturing and installation process and compact in structure; and the construction difficulty and the construction cost are reduced, and the working efficiency is improved.

2. The detachable connection of the pull rod assembly and the tower drum platform is realized by utilizing the bolt connecting piece, the installation and the maintenance of the tower drum platform are facilitated, the structure is simple, and the operation is easy.

3. The cushion block is additionally arranged on the lower end face of the upper flange of the section steel frame beam, so that the overall thickness of the upper flange is increased, the connection strength of the second lifting lug and the section steel frame beam is improved, and the structural stability and the safety of the tower drum platform are improved.

4. Set up deep floor through between the top flange and the bottom flange at shaped steel frame roof beam to improved shaped steel frame roof beam's structural strength, further increased the structural stability of draw bar assembly and tower section of thick bamboo platform.

5. The lifting lugs are hinged with the pull holes in the pull rods through the lifting holes in the lifting lugs, so that the structure is simple and the support is easy; the pull rod and the pull hole are connected through the bolt connecting piece, the angle between the pull rod and the lifting lug can be freely adjusted when the pull rod and the lifting lug are not screwed down, the structural stability of the tower drum platform can be improved after the pull rod and the lifting lug are screwed down, and the safety of personnel is guaranteed.

6. Through adjusting the connection structure of pull rod and lug, can make things convenient for the counterpoint installation of pull rod and lug, promote pull rod assembly's installation effectiveness to practice thrift the human cost.

7. Because the pull rod has certain flexibility, and both ends of the pull rod are connected through the bolts, the angle of the pull rod can be properly adjusted, and the certain flexibility of the pull rod is utilized to coordinate and assemble the section steel beam, so that the aim of smoothly installing accessories in the tower drum platform even if the tower drum main body generates certain elliptical deformation is fulfilled.

In the description of the present application, it is to be understood that the terms "center", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience in describing the present application and simplifying the description, but do not indicate or imply that the referred device or element must have a particular orientation, be constructed in a particular orientation, and be operated, and thus should not be construed as limiting the present application.

The terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present application, "a plurality" means two or more unless otherwise specified.

In the description of the present application, it is to 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; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present application can be understood in a specific case by those of ordinary skill in the art.

In the description herein, particular features, structures, materials, or characteristics may be combined in any suitable manner in any one or more embodiments or examples.

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 (11)

1. A tower platform connection structure, comprising: the tower comprises a tower platform (2) and a plurality of pull rod assemblies (3) for hoisting the tower platform (2);

the pull rod assembly (3) comprises a pull rod (31), a first lifting lug (35) and a second lifting lug (32), wherein the first lifting lug (35) is hinged with one end of the pull rod (31), and the second lifting lug (32) is hinged with the other end of the pull rod (31);

the tower platform (2) comprises a plurality of profile steel frame beams (21) which are arranged in a staggered mode and located on the same plane, and the end portions of the profile steel frame beams (21) are detachably connected with the second lifting lugs (32); the first lifting lug (35) is used for being connected with the inner cylinder wall (11) of the tower drum main body (1).

2. The tower platform connection structure of claim 1, characterized in that the section steel frame beam (21) comprises an upper flange (211) and a lower flange (212) which are oppositely arranged, and a plurality of connection holes are arranged at the positions of the upper flange (211) close to the ends;

and the second lifting lug (32) is provided with mounting holes (321) which correspond to the connecting holes one to one, and the mounting holes (321) are connected with the connecting holes in an alignment mode through bolt connecting pieces.

3. The tower platform connection structure of claim 2, wherein the tie rod assembly (3) further comprises: a pad block (33) corresponding to the connecting hole;

the second lifting lug (32) is positioned on the upper end face of the upper flange (211), and each cushion block (33) is positioned on the lower end face of the upper flange (211);

each cushion block (33) is internally provided with a reinforcing hole communicated with the connecting hole;

the mounting hole (321), the connecting hole and the reinforcing hole are connected in an aligned mode sequentially through the bolt connecting piece.

4. The tower platform connection structure of claim 3, characterized in that the spacer blocks (33) are welded or integrally formed with the lower end surface of the upper flange (211).

5. The tower platform connecting structure according to claim 3, wherein the tie rod assembly (3) further comprises a reinforcing rib plate (34), two ends of the reinforcing rib plate (34) are fixedly connected with the upper flange (211) and the lower flange (212), and the connecting position of the reinforcing rib plate (34) and the upper flange (211) is located between the adjacent spacer blocks (33).

6. The tower platform connection according to any one of claims 1 to 5, characterised in that the first lifting lug (35) is provided with a first lifting hole (351) and the second lifting lug (32) is provided with a second lifting hole (322);

one end of the pull rod (31) is provided with a first pull hole (311), the other end of the pull rod is provided with a second pull hole (312), the first pull hole (311) is hinged to the first hoisting hole (351) through a bolt connecting piece, and the second pull hole (312) is hinged to the second hoisting hole (322) through a bolt connecting piece.

7. The tower platform connection structure according to claim 6, wherein the tie bar (31) includes a tie bar body and a bifurcated tie bar (313) at one end of the tie bar body, the second tie hole (312) is located at one end of the tie bar body away from the bifurcated tie bar (313), and two first tie holes (311) are symmetrically arranged on the bifurcated tie bar (313);

the first lifting lug (35) is clamped between the forked pull rods, and the first lifting hole (351) is connected with the first pull hole (311) in an aligned mode.

8. The tower platform connection according to claim 6, wherein the tie rods (31) are flexible tie rods having a predetermined degree of flexibility.

9. The tower platform connection according to claim 1, characterised in that the tower platform (2) further comprises a platform panel (22), the platform panel (22) being laid flat on a plurality of profiled steel frame beams (21) in a staggered arrangement.

10. A tower, comprising: -a tower body (1) and at least one tower platform connection structure according to any one of claims 1 to 9;

the first lifting lugs (35) of the tower drum platform connecting structure are connected with the inner drum wall (11) of the tower drum main body (1).

11. A wind park comprising a tower as claimed in claim 10.

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