CN211715261U - Tower barrel of wind generating set - Google Patents

Abstract

The utility model provides a wind generating set's a tower section of thick bamboo, including an upper end tower section of thick bamboo and a lower extreme tower section of thick bamboo, the upper end of a lower extreme tower section of thick bamboo is provided with U type groove, the below that just is located U type groove on the outer wall of a lower extreme tower section of thick bamboo is provided with the support circular bead, the inner wall of an upper end tower section of thick bamboo and a lower extreme tower section of thick bamboo is provided with the last connection gusset and the lower connection gusset that corresponds about a plurality of, go up connection gusset and connect gusset all with U type groove interval setting down, go up connection gusset and pass through bolted connection by the connecting plate with lower connection gusset, be provided with a plurality of support scute along its length direction on the connecting. The utility model discloses the bulk joint intensity and the stability of well tower section of thick bamboo are higher, provide effectual support for the platform moreover, make the inside space utilization of a tower section of thick bamboo and the utilization ratio of part promoted, and the assembly degree of difficulty is low, is fit for extensive the popularization.

Description

Tower barrel of wind generating set

Technical Field

The utility model belongs to the technical field of aerogenerator equipment, especially, relate to a wind generating set's a tower section of thick bamboo.

Background

With the continuous increase of the capacity of the wind generating set and the urgency of high-altitude wind energy utilization in areas with large wind shear, wind generator towers with the height of more than 100 meters are increasingly favored by the market. The tower of the wind generating set which is already in operation mostly adopts a sectional type steel tower, and the sections are connected by adopting an inner flange technology.

CN201620109892.3 discloses a wind generating set tower section of thick bamboo, including lower section tower section of thick bamboo and the upper segment tower section of thick bamboo rather than being connected, the upper end outside of lower section tower section of thick bamboo with the lower tip inboard of upper segment tower section of thick bamboo closely laminates, and the closely laminating department of lower section tower section of thick bamboo and upper segment tower section of thick bamboo is equipped with the fastener. The fastener comprises a prestressed bolt, a nut matched with the prestressed bolt, and a gasket arranged between the bolt and the nut. The upper end of the lower section tower barrel is provided with a plurality of uniformly distributed U-shaped grooves, and the lower end of the upper section tower barrel is provided with a plurality of bolt mounting holes corresponding to the U-shaped grooves. And a positioning check ring is arranged on the inner side of the lower end part of the upper tower cylinder. The utility model discloses an upper and lower segment tower section of thick bamboo sectional type friction connection carries out the frictional force that prestressing force compressed tightly between the production steel sheet through several prestressing force bolt and resists the unit and transmit the moment of flexure for a tower section of thick bamboo, has effectively solved the cracked problem of frequent inefficacy of bolt under the present traditional tower section of thick bamboo connected mode, has improved wind generating set's life-span. However, the patent still has some problems, such as the requirement of the overturning moment generated in the whole tower in the working process on the bolt connection structure is high, and the connection reliability is tested by a high limit; moreover, a plurality of platforms are usually arranged inside the tower barrel, the platforms are fixed by the supporting frame structure on the inner wall of the tower barrel, the occupied space is large, and the installation difficulty is high.

SUMMERY OF THE UTILITY MODEL

The utility model discloses to the technical problem that above-mentioned wind generating set's a tower section of thick bamboo existed, provide a reasonable in design, simple structure, connect the higher and higher wind generating set's of utilization ratio tower section of thick bamboo of reliability.

In order to achieve the above purpose, the technical solution adopted by the present invention is that, the tower cylinder of the wind generating set provided by the present invention comprises an upper tower cylinder and a lower tower cylinder connected therewith, the upper end of the lower tower cylinder is provided with a U-shaped groove, the lower end of the upper tower cylinder is provided with a plurality of fasteners, a support shoulder is arranged on the outer wall of the lower tower cylinder and below the U-shaped groove, the inner walls of the upper tower cylinder and the lower tower cylinder are provided with a plurality of upper connecting rib plates and lower connecting rib plates which correspond up and down, the upper connecting rib plates and the lower connecting rib plates are both arranged at intervals with the U-shaped groove, the upper connecting rib plates and the lower connecting rib plates are connected by connecting plates through bolts, the connecting plates are provided with a plurality of support corner plates along the length direction thereof, the support corner plates are provided with platforms, the platforms comprise a platform panel and, and a fork connected with the connecting plate in an inserting manner is arranged at the end part of the extension plate.

Preferably, the center of the platform is provided with a through hole for passing through the lifter, and the edge of the through hole is provided with convex edges extending up and down symmetrically.

Preferably, the upper connecting rib plate and the lower connecting rib plate are provided with auxiliary angle plates which can correspond to the supporting angle plates.

Preferably, the total length of the upper connecting rib plate and the lower connecting rib plate is at least 1.5 times of the length of the connecting plate.

Compared with the prior art, the utility model has the advantages and positive effects that,

1. the utility model provides a pair of wind generating set's a tower section of thick bamboo improves holistic joint strength and connection stability through connecting the gusset, connecting gusset and connecting plate down on its inside setting, provides effectual support for the platform moreover, makes the inside space utilization of a tower section of thick bamboo and the utilization ratio of part obtain promoting and the design of platform and with the support component the cooperation reasonable and simple, the assembly degree of difficulty is low, is fit for extensive the popularization.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive labor.

FIG. 1 is a front view of a tower of a wind turbine provided in an embodiment;

FIG. 2 is an enlarged schematic view of the structure A in FIG. 1 according to an embodiment;

FIG. 3 is a schematic structural diagram of a platform according to an embodiment;

FIG. 4 is an isometric view of a tower of a wind turbine generator system according to an embodiment;

in the above figures, 1, an upper tower barrel; 11. upper connecting rib plates; 12. an auxiliary gusset; 2. a lower tower; 21. a U-shaped groove; 22. a support shoulder; 23. a lower connecting rib plate; 24. supporting the corner plate; 3. a connecting plate; 4. a platform; 41. a table top plate; 42. an extension plate; 43. a through hole; 44. and (4) a convex edge.

Detailed Description

In order to make the above objects, features and advantages of the present invention more clearly understood, the present invention will be further described with reference to the accompanying drawings and examples. It should be noted that the embodiments and features of the embodiments of the present application may be combined with each other without conflict. For convenience of description, the words "upper", "lower", "left" and "right" used herein refer to the same directions as the drawings, and do not limit the structure.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, however, the present invention may be practiced in other ways than those specifically described herein, and therefore the present invention is not limited to the limitations of the specific embodiments of the present disclosure.

Embodiment, as shown in fig. 1, fig. 2, fig. 3 and fig. 4, the utility model provides a tower cylinder of wind generating set, including upper end tower cylinder 1 and the lower extreme tower cylinder 2 of being connected with it, the upper end of lower extreme tower cylinder 2 is provided with U type groove 21, and the lower extreme of upper end tower cylinder 1 is provided with a plurality of fasteners. The structure of the U-shaped groove 21 and the fastener is the prior art, on the basis, the device is internally provided with a reinforced tower cylinder and an anti-overturning structure, and meanwhile, the improvement is provided for the current utilization situation of the space inside the tower cylinder.

Specifically, the utility model discloses the below that just is located U type groove 21 on the outer wall of lower extreme tower section of thick bamboo 2 is provided with support circular bead 22, the inner wall of upper end tower section of thick bamboo 1 and lower extreme tower section of thick bamboo 2 is provided with a plurality of upper connection gusset 11 and lower connection gusset 23 that correspond from top to bottom, upper connection gusset 11 and lower connection gusset 23 all set up with U type groove 21 interval, upper connection gusset 11 passes through bolted connection with lower connection gusset 23 by the connecting plate, be provided with a plurality of support scute 24 along its length direction on the connecting plate 3, be provided with platform 4 on the support scute 24, platform 4 includes deck plate 41 and pegs graft complex extension plate 42 with the connecting plate, the tip of extension plate 42 is provided with the fork mouth of pegging graft with the connecting plate. The supporting shoulder 22 can bear the shearing force of the upper-end tower barrel 1 acting on the fastener, so that the service life of the fastener is effectively prolonged; after the upper connecting rib plate 11 and the lower connecting rib plate 23 are connected with the connecting plate 3 at the same time, the longitudinal connecting length of the upper tower cylinder and the lower tower cylinder is increased, part of gravity is dispersed at each connecting node, and the shearing force effect of the connecting end parts of the upper tower cylinder and the lower tower cylinder is further weakened.

Further, for the platform 4 inside the tower, the device utilizes the supporting angle plate 24 on the connecting plate 3 to match with the extension plate 42 of the platform. The platform 4 can be horizontally preset on the connecting straight line of the connecting plate and the upper and lower connecting rib plates, and the supporting angle plate 24 just serves as the supporting structure supporting platform 4, so that a reliable supporting system is established, and a large number of structural members and space volume are saved.

In order to improve the practicability of the platform 4 and considering the requirement of arranging the lifting platform inside the tower, the utility model discloses be provided with the through-hole 43 that is used for passing through the lift at the center of platform 4, the edge of through-hole 43 is provided with protruding edge 44 that the symmetry extends from top to bottom, protruding edge 44 can prevent that structure or article on the platform are cut to the scratch or are carried in the same place by the lift and leave platform 4.

In order to improve the connection stability of the connecting plate, the utility model provides an on connect gusset 11 and be provided with the vice gusset 12 that can correspond with support gusset 24 down on connecting gusset 23. The auxiliary angle plate 12 can provide end support for the platform, and can reduce the shearing force of the bolt between the connecting plate and the upper and lower connecting rib plates under the action of the gravity of the platform 4 through the synergistic effect of the auxiliary angle plate and the supporting angle plate 23, so that the stability of each connecting node is effectively ensured.

In order to improve the holistic intensity of a tower section of thick bamboo, the utility model provides an on connect gusset 11 and down connect the total length of gusset 23 and be 1.5 times of connecting plate length at least, like this, have nimble adjustment length between connecting plate and the upper and lower connection gusset, the convenience is according to the upper and lower height of intensity requirement adjusting connection board 3, and the practicality is higher.

The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention in other forms, and any person skilled in the art may use the above-mentioned technical contents to change or modify the equivalent embodiment into equivalent changes and apply to other fields, but any simple modification, equivalent change and modification made to the above embodiments according to the technical matters of the present invention will still fall within the protection scope of the technical solution of the present invention.

Claims (4)

1. A tower drum of a wind generating set comprises an upper end tower drum and a lower end tower drum connected with the upper end tower drum, the upper end of the lower tower cylinder is provided with a U-shaped groove, the lower end of the upper tower cylinder is provided with a plurality of fasteners, it is characterized in that a supporting shoulder is arranged on the outer wall of the tower drum at the lower end and below the U-shaped groove, the inner walls of the upper end tower cylinder and the lower end tower cylinder are provided with a plurality of upper connecting rib plates and lower connecting rib plates which are corresponding up and down, the upper connecting rib plate and the lower connecting rib plate are arranged at intervals with the U-shaped groove, the upper connecting rib plate and the lower connecting rib plate are connected by a connecting plate through bolts, a plurality of supporting angle plates are arranged on the connecting plate along the length direction of the connecting plate, platforms are arranged on the supporting angle plates, the platform comprises a table board and an extension board which is in plug-in fit with the connecting board, and a fork which is in plug-in fit with the connecting board is arranged at the end part of the extension board.

2. The tower of a wind generating set according to claim 1, wherein the platform is provided with a through hole at the center for passing through the lifter, and the edge of the through hole is provided with a convex edge extending up and down symmetrically.

3. The tower of a wind generating set according to claim 2, wherein the upper connecting rib plate and the lower connecting rib plate are provided with auxiliary angle plates corresponding to the supporting angle plates.

4. The tower of a wind turbine according to claim 3, wherein the total length of the upper and lower connecting webs is at least 1.5 times the length of the connecting web.

Images