CN107620675B

CN107620675B - Suspension structure, tower section of thick bamboo buffer, tower section of thick bamboo and wind generating set of attenuator

Info

Publication number: CN107620675B
Application number: CN201710773110.5A
Authority: CN
Inventors: 连美娟; 张紫平; 张克
Original assignee: Xinjiang Goldwind Science and Technology Co Ltd
Current assignee: Jinfeng Technology Co ltd
Priority date: 2017-08-31
Filing date: 2017-08-31
Publication date: 2020-03-06
Anticipated expiration: 2037-08-31
Also published as: CN107620675A

Abstract

The embodiment of the invention provides a suspension structure of a damper, a tower barrel buffer device, a tower barrel and a wind generating set, wherein the suspension structure of the damper comprises: the first flange and the hanging beam are fixedly connected with the tower tube wall in an annular surface mode, and the end part of the first flange with the bolt hole extends towards the inner side of the tower tube; the hanging beam is erected on the end part of the first flange and is fixedly connected with the end part. According to the suspension structure of the damper and the tower barrel buffering device provided by the invention, the suspension beam is arranged by designing the first flange with the ring surface fixed on the wall of the tower barrel, so that the suspension structure is fixedly connected with the wall of the tower barrel in a ring surface manner, the impact force of the damper on the suspension beam is not transmitted to the wall of the tower barrel in a point distribution manner, but the impact force of the damper on the suspension beam is dispersed to the ring periphery of the wall of the tower barrel, and the impact force of the damper is prevented from generating single-point or multi-point impact and tearing on the wall of the tower barrel.

Description

Suspension structure, tower section of thick bamboo buffer, tower section of thick bamboo and wind generating set of attenuator

Technical Field

The embodiment of the invention relates to the technical field of wind driven generators, in particular to a suspension structure of a damper, a tower drum buffer device, a tower drum and a wind driven generator set.

Background

Along with the continuous increase of the aspect ratio of wind generating set's tower section of thick bamboo structure, structure bending rigidity is gentle relatively, under the effect of wind load, produces great vibration easily, utilizes structure vibration control technique, can effectively restrain the vibration by a wide margin of high gentle structure. At present, a commonly adopted structural vibration control technology, such as a Tuned Mass Damper (TMD) technology, needs to be provided with a hanging beam in order to hoist the TMD Damper (hereinafter referred to as Damper) inside a tower. The damper for buffering the tower generally comprises a spring mechanism, a damping mechanism, a mass block and a swing rod, wherein the upper end of the swing rod of the damper is suspended on a hanging beam, so as to buffer and protect the tower, and accordingly, the hanging beam can bear the impact force of the damper and the self weight of the damper.

As shown in fig. 1, fig. 1 shows a suspension beam structure in the prior art, the suspension beam generally comprises at least one support 7 and at least one connecting beam 8, the support 7 is arranged at the end of the connecting beam 8, the connecting beam 8 is directly and transversely installed on the wall of the tower cylinder through the support 7, and the middle position of the connecting beam 8 is used for hoisting the damper. According to the structure of the existing hanging beam, the hanging beam is fixed on the wall of the tower barrel through one point or multiple points, the wall of the tower barrel of the steel wind driven generator is thin, impact force caused by swinging of the damper and the self weight of the damper are very large, and the impact force can be finally applied to one or more fixed points on the wall of the tower barrel, so that the impact force applied to the single point of the wall of the tower barrel is very large, and the wall of the tower barrel is very easy to tear.

Disclosure of Invention

The embodiment of the invention provides a suspension structure of a damper, a tower barrel buffer device, a tower barrel and a wind generating set, which aim to reduce the impact of the damper and solve the problem that the wall of the tower barrel is torn due to single-point impact.

In order to achieve the purpose, the invention adopts the following technical scheme:

in one aspect, the present invention provides a suspension structure of a damper, including: the first flange and the hanging beam are fixedly connected with the tower tube wall in an annular surface mode, and the end part of the first flange with the bolt hole extends towards the inner side of the tower tube; the hanging beam is erected on the end part of the first flange and is fixedly connected with the end part.

In another aspect, the invention further provides a tower buffering device, which includes the suspension structure and a damper, wherein the damper is suspended on the suspension structure.

In another aspect, the invention further provides a tower drum, which includes the tower drum buffer device.

In another aspect, the invention further provides a wind generating set, which includes the tower buffering device.

According to the suspension structure of the damper, the tower barrel buffer device, the tower barrel and the wind generating set, the suspension beam is installed by designing the first flange with the ring surface fixed on the wall of the tower barrel, so that the suspension structure is fixedly connected with the wall of the tower barrel in the ring surface mode, the impact force of the damper on the suspension beam is not transmitted to the wall of the tower barrel in a point distribution mode, the impact force of the damper on the suspension beam is dispersed to the ring periphery of the wall of the tower barrel, and the impact force of the damper on the wall of the tower barrel is prevented from generating single-point or multi-point impact and tearing.

The foregoing description is only an overview of the technical solutions of the present invention, and the embodiments of the present invention are described below in order to make the technical means of the present invention more clearly understood and to make the above and other objects, features, and advantages of the present invention more clearly understandable.

Drawings

Various other advantages and benefits will become apparent to those of ordinary skill in the art upon reading the following detailed description of the preferred embodiments. The drawings are only for purposes of illustrating the preferred embodiments and are not to be construed as limiting the invention. Also, like reference numerals are used to refer to like parts throughout the drawings. In the drawings:

FIG. 1 is a schematic view of a prior art suspension beam configuration;

FIG. 2 is one of the schematic views of a suspension structure provided by an embodiment of the invention;

fig. 3 is a second schematic view of the suspension structure according to the embodiment of the invention;

fig. 4 is a third schematic view of a suspension structure according to the embodiment of the present invention;

FIG. 5 is a fourth schematic view of the suspension structure provided by the embodiment of the present invention;

FIG. 6 is a fifth schematic view of a suspension structure provided by an embodiment of the present invention;

FIG. 7 is a sixth schematic view of a suspension structure according to an embodiment of the present invention;

FIG. 8 is a schematic structural diagram of a limiting device of a damper according to an embodiment of the present invention;

fig. 9 is a second schematic structural view of a limiting device of a damper according to an embodiment of the present invention;

fig. 10 is a third schematic structural view of a limiting device of a damper according to an embodiment of the present invention.

Description of reference numerals:

1-a first flange; 11-the neck of the first flange; 12-the end of the first flange with the bolt hole; 2-hanging the beam; 21-a profiled cross-beam; 22-a suspension; 211-reinforcing plate; 212-a profiled cross beam body; 213-damper backing plate; 214-special-shaped beam mounting backing plates; 23-T beam; 231-a first beam; 232-a second beam; 3-a tower cylinder wall; 4-a boom; 5-a third beam; 6-a damper; 61-a swing rod; 62-a mass block; 7-support; 8-connecting the beams; 1' -a second flange; 11' -the neck of the second flange; 12' -the end of the second flange with the bolt hole; 2' -a first connecting beam; 3' -check ring; 5' -a second connecting beam; 6' -sector flange.

Detailed Description

Exemplary embodiments of the present disclosure will be described in more detail below with reference to the accompanying drawings. While exemplary embodiments of the present disclosure are shown in the drawings, it should be understood that the present disclosure may be embodied in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the disclosure to those skilled in the art.

The suspension structure of the damper and the tower damping device according to the embodiment of the present invention will be described in detail with reference to the accompanying drawings.

Example one

As shown in fig. 2 to 5, a suspension structure of a damper according to an embodiment of the present invention includes: the first flange 1 and the hanging beam 2, the neck part 11 of the first flange and the tower tube wall 3 form a ring surface type fixed connection, and the end part of the first flange 1 with the bolt hole extends towards the inner side of the tower tube; the lifting beam 2 is mounted on and fixedly connected to the end 12 of the first flange with the bolt holes. Wherein, the hanging beam is used for hoisting the damper 6, and the damper 6 can swing relative to the hanging beam. The damper 6 may have a structure as illustrated in fig. 2, which includes: a swing link 61 connected to the suspension beam, a mass 62 connected to the end of the swing link, a spring mechanism, and a damping mechanism (not shown in the figure). The first flange can adopt a T-shaped first flange or an L-shaped first flange. In addition, the first flange 1 and the hanging beam 2 provided by the embodiment of the invention can be arranged at the top section of the tower barrel, namely the uppermost tower barrel section of the tower barrel. The damper 6 may be located below the first flange and the suspension beam.

In addition, as shown in fig. 3 and 4, fig. 3 shows an overall structure of the first flange, and fig. 4 shows a transverse sectional structure of the first flange. The first flange 1 may comprise a neck portion 11 of the first flange and an end first flange 12 with bolt holes on the first flange with bolt holes. The fixing manner between the first flange 1 and the tower wall 3 can adopt the following two manners:

1) the first flange 1 may be disposed between two tower tube sections, and the upper and lower end surfaces of the neck portion 11 of the first flange may be surface-welded to the lower end of the upper tower tube section and the upper end of the lower tower tube section, respectively, and the specific structure of this portion will be described in detail in the following embodiments.

2) The first flange 1 may be inscribed in the tower wall 4, and the outer side wall of the neck portion 11 of the first flange may abut on the tower wall 4. The neck 11 of the first flange may be fixedly connected to the tower wall 4 by welding or bonding.

According to the suspension structure of the damper and the tower barrel buffering device provided by the invention, the suspension beam is arranged by designing the first flange with the ring surface fixed on the wall of the tower barrel, so that the suspension structure is fixedly connected with the wall of the tower barrel in a ring surface manner, the impact force of the damper on the suspension beam is not transmitted to the wall of the tower barrel in a point distribution manner, but the impact force of the damper on the suspension beam is dispersed to the ring periphery of the wall of the tower barrel, and the impact force of the damper is prevented from generating single-point or multi-point impact and tearing on the wall of the tower barrel.

Example two

The suspension structure of a damper of the embodiment of the invention describes a specific implementation manner of the suspension structure of a damper of the first embodiment. The present embodiment is described by taking a T-shaped first flange as an example.

As shown in fig. 3 and 4, the neck portion 11 of the first flange in the first embodiment corresponds to the horizontal line portion of the T-shaped first flange, and the end portion first flange 12 having bolt holes in the first flange corresponds to the vertical line portion of the T-shaped first flange.

As shown in fig. 2, fig. 2 shows a use state diagram of the suspension structure. The first flange 1 of the embodiment of the invention can be arranged between two tower cylinder sections, the upper end surface and the lower end surface of the neck part 11 of the first flange can be respectively subjected to surface welding with the lower end of the tower cylinder section at the upper part of the first flange 1 and the upper end of the tower cylinder section at the lower part of the first flange 1, so that the neck part 11 of the first flange and the tower cylinder wall 4 form a ring surface type fixed connection, the impact force of the damper on the suspension beam is dispersed to the ring circumference of the tower cylinder wall, and the impact force of the damper and the self weight of the damper are prevented from generating single-point or multi-point impact and tearing on the tower cylinder wall.

In order to improve the reliability of the suspension structure, fig. 5 shows an alternative structure of the suspension beam, as shown in fig. 2 and 5. The hanging beam 2 can be a special-shaped beam 21, and the middle part of the special-shaped beam 21 can be protruded upwards. A vertical reinforcing rib plate 211 may be provided on the shaped cross member 21, and a suspending portion 22 for suspending the damper 6 may be provided in the middle of the shaped cross member 21. In practical application, the damper 6 is usually hung at the middle position of the special-shaped cross beam 21, so that the downward pulling force applied to the middle position of the special-shaped cross beam is large, in order to improve the reliability of the special-shaped cross beam, the middle part of the special-shaped cross beam 21 is designed to be upwards convex, so that the stress requirement of the special-shaped cross beam is met, the load capacity of the special-shaped cross beam is improved, the reliability of the special-shaped cross beam is improved, and the probability that the tower cylinder wall is torn is reduced. In addition, the special-shaped cross beam 21 can be formed by welding steel plates, and it should be noted that the special-shaped cross beam in the embodiment of the present invention is not limited to be formed by welding steel plates, and a person skilled in the art can design the special-shaped cross beam according to actual needs, for example, the special-shaped cross beam can also be formed by splicing section steel and reinforcing rib plates, as long as the condition for hoisting the damper can be satisfied. In addition, in practical application, a person skilled in the art can reasonably arrange the reinforcing rib plates on the special-shaped cross beam according to the stress characteristics of the special-shaped cross beam.

In the above-described shaped beam structure, as shown in fig. 5, the shaped beam 21 may include: the special-shaped cross beam comprises a special-shaped cross beam main body 212, a reinforcing rib plate 211, a damper backing plate 213 for preventing the special-shaped cross beam 21 from being worn and a special-shaped cross beam mounting backing plate 214 for mounting the special-shaped cross beam 21 on the end part first flange 12 with the bolt hole on the first flange, wherein the special-shaped cross beam main body 212 is approximately in a hollow cuboid structure, and for convenience of description, the special-shaped cross beam main body 212 can be divided into an upper side plate and a lower side plate. The middle part of the upper side plate of the special-shaped cross beam main body protrudes upwards, five reinforcing rib plates 211 are arranged at intervals at the hollow position of the special-shaped cross beam 21, two ends of each reinforcing rib plate 211 are respectively connected with the upper side plate and the lower side plate, a damper backing plate 213 is arranged at the middle part of the lower side plate, and special-shaped cross beam mounting backing plates 214 are arranged at two ends of the lower side plate. In order to improve the strength of the reinforcing rib plate, the reinforcing rib plate 211 can be of a solid structure, and by arranging the reinforcing rib plate, on one hand, the special-shaped cross beam can meet the requirement of bearing force; on the other hand, on the basis of improving the reliability of the special-shaped cross beam, the weight of the special-shaped cross beam is reduced. It should be noted that, in practical applications, it should be understood by those skilled in the art that the stiffened plate of the embodiment of the present invention is not limited to the foregoing structure, and other solid stiffened plates may be used to improve the strength of the special-shaped beam, as long as the requirement of supporting in the special-shaped beam is met.

In order to adapt the mounting position of the suspension beam to the mounting structure inside the tower, the suspension beam 2 may be arranged at a position offset from the central axis of the tower, as shown in fig. 2. That is, the suspension beam 2 may be in an eccentric position with respect to the tower centre axis. In practical application, a cable penetrating through a cavity in the tower barrel, a ladder and other structures are usually arranged in the tower barrel, in order to avoid the cables, the ladder and other structures, the damper is usually located at an eccentric position relative to the center line of the tower barrel, the mounting position of the hanging beam corresponds to the mounting position of the damper due to the eccentric arrangement of the hanging beam, and the mounting position of the hanging beam can adapt to the mounting structure in the tower barrel due to the eccentric arrangement of the hanging beam. It should be noted that the installation position of the suspension beam according to the embodiment of the present invention is not limited to the eccentric arrangement, and the eccentric arrangement is only for the purpose of satisfying the actual installation situation of the suspension beam, and it should be understood by those skilled in the art that the suspension beam is preferably erected at the position of the diameter of the first flange and the suspension position of the damper is on the axis of the tower, where the damping effect is the best.

EXAMPLE III

The suspension structure according to the embodiment of the present invention is different from the second embodiment in that, as shown in fig. 6, fig. 6 shows an alternative structure of the suspension beam. The suspension beam of the embodiment of the present invention may be a T-beam 23.

The T-shaped beam 23 according to the embodiment of the present invention includes a first cross member 231 erected on the end portion 12 of the first flange, and a second cross member 232 extended from the middle portion of the first cross member 231 toward the end portion 12 of the first flange having bolt holes formed thereon, and the second cross member 232 may be fixed to the end portion 12 of the first flange. The T-shaped beam can better disperse the impact generated by the damper, and the suspension and the fixation of the damper are more stable. Wherein the first beam 231 and the second beam 232 may be vertically spliced. As for the connection manner of the first beam 231 and the second beam 232, a person skilled in the art may specifically select according to the actual situation, for example, a welding manner or a bolt connection manner may be selected. It should be noted that the splicing manner of the first beam and the second beam is not limited to vertical splicing, and a person skilled in the art can splice the first beam and the second beam at a certain angle according to actual needs as long as the conditions for hoisting the damper can be met. In addition, the first beam 231 and the second beam 232 may be made of profile steel, and those skilled in the art may specifically select the profile steel according to actual needs, for example, H steel or hollow square steel may be selected.

In order to suspend the damper 6 on the T-shaped beam, a suspension portion 22 for suspending the damper may be provided at a middle portion of the first cross member 231. Wherein a damper pad 213 for preventing abrasion of the T-shaped beam may be provided at the middle portion of the first cross member, and a profiled cross member mounting pad 214 for mounting the profiled cross member at the end portion of the first flange may be provided at the end portions of the first cross member 231 and the second cross member 232.

Example four

The suspension structure of the embodiment of the present invention is different from the second embodiment in that, as shown in fig. 7, fig. 7 shows another specific implementation manner of the suspension structure of the damper of the first embodiment. The first flange of the embodiment of the present invention may be the first flange already present in the tower. The suspension structure provided by the embodiment of the invention is suitable for the condition that the tower is provided with the first flange, and the end part of the first flange extends into the tower.

In order to use the existing first flange-mounted hanging beam and damper structures on the tower, the suspension structure of the embodiment of the invention may further include a suspension rod 4 fixed on the hanging beam, and the lower end of the suspension rod 4 may be fixed on the tower wall 3 through one or more third cross beams 5. The embodiment of the present invention is exemplified by three third beams 5, the ends of the third beams 5 may be respectively provided with a support, and the third beams 5 are installed on the tower wall 3 through the supports. The hanging beam can be a T-shaped beam in the third embodiment, and the connection mode is described in the third embodiment and is not described herein again. The person skilled in the art can select the hanging beam structure according to actual needs, for example, the special-shaped cross beam in the second embodiment can also be selected as the hanging beam, as long as the hanging beam can meet the requirement of hanging the damper. Wherein, the suspension rod 4 is rigidly connected with the suspension beam 2 and the third beam 5. In addition to the technical effects of the foregoing embodiments, the suspension structure of the embodiment of the invention can suspend the damper by using the existing first flange in the tower, adjust the suspension position downwards by using the suspension rod, and guide and fix the installation position of the damper at a proper position by combining the third cross beam, thereby increasing the flexibility of the damper arrangement.

In order to suspend the damper on the suspension structure of the embodiment of the present invention, a suspension portion for suspending the damper 6 may be provided at the lower end of the suspension rod 4.

EXAMPLE five

The embodiment of the invention also provides a tower drum buffer device, which comprises the suspension structure and the damper 6, wherein the damper 6 is suspended on the suspension structure.

The tower damping device may further include a limiting device of the damper, as shown in fig. 8 to 10, where the limiting device specifically includes a second flange 1', a first connecting beam, and a check ring. The neck part of the second flange 1 'is fixedly connected with the tower tube wall in a ring surface manner, and the end part of the second flange 1' with the bolt hole extends towards the inner side of the tower tube; the check ring is fixedly connected with the end part with the bolt hole on the second flange 1' through one or more first connecting beams.

Dampers such as Tuned Mass Dampers (TMD) mainly comprise: spring mechanism, damping mechanism and quality piece. The limiting device of the damper provided by the embodiment of the invention can be sleeved around the mass block of the damper to limit the motion range of the mass block.

The check ring 3 ' is used to directly receive the impact of the mass 62 of the damper 6 and the check ring 3 ' can reasonably limit the swing amplitude of the damper 6, and the first connecting beam 2 ' is used to mount the check ring 3 ' inside the second flange 1 '. In addition, the structure of the second flange 1' may be the same as or similar to the structure of the first flange 1, and may be a T-shaped flange or an L-shaped flange. In practice, the check ring may be positioned off-center with respect to the center of the tower in order to allow the mounting position of the check ring to accommodate the mounting structure inside the tower.

Further, the second flange 1' and the tower wall 3 are fixed in the same manner as the first flange in the previous embodiment, and the following two manners can be adopted:

1) the second flange 1' is arranged between the two tower cylinder sections, and the upper end surface and the lower end surface of the neck part of the second flange are respectively subjected to surface welding with the lower end of the upper tower cylinder section and the upper end of the lower tower cylinder section.

2) The second flange 1 'is arranged inside the tower barrel, and the outer side face of the neck of the second flange 1' is welded with the wall of the tower barrel.

The second flange 1 'of the embodiment of the invention can be arranged between two tower cylinder sections, and the upper end surface and the lower end surface of the neck part of the second flange 1' can be respectively subjected to surface welding with the lower end of the upper tower cylinder section and the upper end of the lower tower cylinder section. The tower barrel is formed by combining a plurality of tower barrel sections end to end, a position with weaker tower barrel strength is usually arranged between the two tower barrel sections, and the second flange 1' is arranged between the two tower barrel sections, so that the strength of the position of the tower barrel section is improved. The upper end surface and the lower end surface of the neck part of the second flange 1' are respectively welded with the lower end of the upper tower cylinder section and the upper end of the lower tower cylinder section of the flange. On one hand, the second flange 1' is fixedly arranged between the two tower cylinder sections, so that the strength of the tower cylinder sections is improved; on the other hand for the neck of flange forms ring face formula fixed connection with tower section of thick bamboo wall 3, receives the impact force dispersion of attenuator to the ring of tower section of thick bamboo wall with stop device on, avoids the impact force of attenuator to produce the impact of single-point or multiple spot and tear tower section of thick bamboo wall.

As shown in fig. 8 to 10, one end of the first connection beam 2 'according to the embodiment of the present invention may be fixedly connected to the check ring 3, and the other end may be fixed to an end of the second flange 1' by a fastener (e.g., a bolt). The profile of the first connecting beam 2 ' may be a section steel, for example, the profile may be H steel or hollow square steel, and one end of the first connecting beam 2 ' may be fixedly connected to the check ring 3 ' by welding. It should be noted that, one end of the first connecting beam 2 'is fixedly connected to the check ring 3' by welding, which is only a preferred connection manner of the embodiment of the present invention, and a person skilled in the art may fixedly connect one end of the first connecting beam to the check ring according to actual needs, for example, a mounting plate may be integrally disposed on the check ring, and one end of the first connecting beam may be connected to the check ring by a fastening member (e.g., a bolt).

As shown in fig. 10, the first connection beam 2 'may be provided in plurality, and may be disposed around the check ring 3'. The closest point of the check ring 3 ' to the tower cylinder wall 3 and the farthest point from the tower cylinder wall 3 are connected to form a first central line, the plurality of first connecting beams 2 ' can be symmetrically arranged relative to the first central line, and the length of the first connecting beams 2 ' can be increased from the closest point to the farthest point. Wherein, the embodiment of the invention selects five pairs of first connecting beams 2'. It should be noted that, the number of the first connecting beams 2' can be selected by those skilled in the art according to actual needs, as long as the supporting and connecting functions are satisfied. In addition, in order to improve the convenience of installation and transportation of the limiting device, the first connecting beam 2' can be formed by splicing a plurality of sections of beams with smaller distances.

Further, first connection beams 2' parallel to the first center line may be provided at both sides of the farthest point. The other first connection beam 2 ' may be directed toward the center of the check ring 3 ' except the first connection beam 2 ' parallel to the first center line. Wherein, set up the first coupling beam 2 ' parallel with first central line in the both sides of furthest point, prevent that first coupling beam 2 ' from hindering the normal use of tower section of thick bamboo inner structure (for example, the ladder that sets up inside the tower section of thick bamboo and the cable hole that sets up inside the tower section of thick bamboo) for the overall arrangement of first coupling beam 2 ' suits with tower section of thick bamboo inner structure. In addition, the other first connection beams 2 ' are disposed toward the center of the check ring 3 ' except the first connection beam 2 ' parallel to the first center line. Under the condition of not influencing the overall layout of the tower, the impact force borne by the check ring is dispersed to the second flange 1 'along the first connecting beam 2'.

In order to improve the fixing strength of the plurality of first connection beams 2 ' to the check ring 3 ', a second connection beam 5 ' may be further provided between a plurality of adjacent first connection beams. Specifically, in the example structure shown in fig. 10, in order to improve the strength of the first connection beam 2 ' parallel to the first center line disposed on both sides of the farthest point, a second connection beam 5 ' is disposed in the middle between the first connection beam 2 ' parallel to the first center line disposed on both sides of the farthest point and the first connection beam 2 ' disposed adjacent thereto toward the center of the check ring 3 ', one end of the second connection beam 5 ' is connected to the middle of the first connection beam 2 ' parallel to the first center line disposed on both sides of the farthest point, and the other end of the second connection beam 5 ' is connected to the middle of the first connection beam 2 ' except for the first center line. It should be noted that the structure and the arrangement of the first connecting beam 2' are not limited to the arrangement provided by the embodiment of the present invention, and in practical applications, a person skilled in the art may design the structure and the arrangement of the first connecting beam according to actual needs as long as the requirement of the second flange support check ring is met.

In order to adapt the mounting position of the check ring 3 'to the mounting structure inside the tower, the check ring 3' may be located eccentrically with respect to the center of the tower, as shown in fig. 8. In practical application, a cable structure penetrating through a cavity in the tower drum is usually arranged in the tower drum, in order to avoid the cable structure, the damper is usually located at an eccentric position relative to the center line of the tower drum, the check ring 3 'is eccentrically arranged so that the installation position of the check ring 3' corresponds to the installation position of the damper, and the check ring 3 'is eccentrically arranged so that the installation position of the check ring 3' can adapt to the installation structure in the tower drum. The check ring 3 'can be made by rolling a steel plate, the check ring 3' can be in the shape of a hollow circular ring, and it should be noted that the check ring 3 'can be in the shape of a hollow circular ring, which is only a preferable mode of the embodiment of the present invention, and those skilled in the art can design the check ring into a hollow square, a hollow triangle, a hollow rectangle, and the like according to actual needs, as long as the check ring 3' can bear the impact force of the damper. Furthermore, the check ring 3' may be arranged coaxially with the damper. Preventing the check ring 3' from affecting the normal operation of the damper.

Further, a sector flange 6 'fixedly connected with the check ring 3' may be disposed near the closest point of the check ring 3 'from the tower wall 3, and the sector flange 6' may be fixedly connected with the end of the flange 1 by a fastener (e.g., a bolt). The shape of the position where the fan-shaped flange 6 ' is connected with the check ring 3 ' can be a circular arc shape corresponding to the shape of the check ring 3 '. Ribs are arranged on the fan-shaped flange 6' at intervals and are used for improving the strength of the fan-shaped flange. Furthermore, the sector flange 6 'can be made in one piece with the check ring 3'.

The concrete structure of the tower drum buffer device of the embodiment of the invention is described above. In addition, the embodiment of the invention also provides a tower cylinder comprising the tower cylinder buffer device and a wind generating set.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the invention has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention.

Claims

1. A suspension structure of a damper, comprising: a first flange and a hanging beam,

the neck part of the first flange is fixedly connected with the tower barrel wall in a ring surface manner, and the end part of the first flange with the bolt hole extends towards the inner side of the tower barrel;

the hanging beam is erected on the end part with the bolt hole on the first flange and is fixedly connected with the end part,

the tower crane further comprises a hanging rod fixed on the hanging beam, and the lower end of the hanging rod is fixed on the wall of the tower barrel through one or more third cross beams.

2. The suspension structure of claim 1, wherein the first flange is a T-shaped first flange or an L-shaped first flange.

3. The suspension structure according to claim 1, wherein the first flange is provided between two tower tube sections, and upper and lower end surfaces of a neck portion thereof are surface-welded to a lower end of an upper tower tube section and an upper end of a lower tower tube section thereof, respectively.

4. The suspension structure according to claim 1, characterized in that the first flange is arranged inside the tower, the outer side of the neck of the first flange being welded to the tower wall.

5. The suspension structure of claim 1, wherein the suspension beam is disposed at a position offset from the tower central axis.

6. The suspension structure according to claim 1, wherein the suspension beam is a profiled cross beam, the middle of which is upwardly convex.

7. The suspension structure according to claim 6, wherein vertical reinforcing ribs are arranged on the profiled cross beam.

8. The suspension structure according to claim 1, wherein the suspension beam is a T-beam comprising a first beam bridging the ends of the first flanges, a second beam extending from the middle of the first beam to the nearest end of the first flanges with bolt holes, the second beam being fixed to the nearest end of the first flanges.

9. The suspension structure according to claim 6 or 7, wherein a suspending portion for suspending a damper is provided at a middle portion of the shaped cross member.

10. The suspension structure according to claim 8, wherein a suspending portion for suspending a damper is provided at a middle portion of the first cross member.

11. The suspension structure according to claim 1, wherein a suspension portion for suspending a damper is provided at a lower end of the suspension rod.

12. A tower damping arrangement, comprising a suspension structure as claimed in any one of claims 1 to 10 and a damper suspended from the suspension structure.

13. The tower damping apparatus of claim 12, further comprising a damper stop, the stop including a second flange, a first connecting beam, and a check ring,

the neck part of the second flange is fixedly connected with the tower barrel wall in a ring surface manner, and the end part of the second flange with the bolt hole extends towards the inner side of the tower barrel;

the check ring is fixedly connected with the end part with the bolt hole on the second flange through one or more first connecting beams.

14. The tower damping arrangement of claim 13, wherein the second flange is a T-flange or an L-flange.

15. The tower damping device as claimed in claim 13, wherein the second flange is disposed between two tower sections, and upper and lower end surfaces of the neck are respectively surface welded to a lower end of an upper tower section and an upper end of a lower tower section.

16. The tower damping arrangement of claim 13, wherein the second flange is disposed within the tower, and an outer side of the neck of the second flange is welded to the tower wall.

17. The tower damping apparatus of claim 13, wherein the check ring is eccentrically positioned with respect to a center of the tower.

18. A tower comprising a tower damping apparatus as claimed in any one of claims 12 to 17.

19. A wind park comprising a tower damping arrangement as claimed in any one of claims 12 to 17.