CN210621743U

CN210621743U - Support rod of tower drum foundation and tower drum foundation

Info

Publication number: CN210621743U
Application number: CN201921364553.XU
Authority: CN
Inventors: 孙阳; 李沐; 邓飞; 张鹤鸣
Original assignee: Shenzhen Guojin Xinneng Electric Power Design Institute Co Ltd
Current assignee: Shenzhen Guojin Xinneng Electric Power Design Institute Co Ltd
Priority date: 2019-01-18
Filing date: 2019-08-20
Publication date: 2020-05-26
Anticipated expiration: 2029-08-20
Also published as: CN210621740U; CN210621741U; CN210621744U; CN211446990U; CN111456071A; CN111456073A; CN111456909A; CN211446991U; CN210827541U; CN211714003U; CN211421159U; CN210712908U; CN111456074A; CN111456911A; CN210621742U; CN111456908A; CN111456070A; CN111456072A; CN111456067A; CN111456069A

Abstract

The application discloses bracing piece and tower section of thick bamboo basis on tower section of thick bamboo basis, the bracing piece on tower section of thick bamboo basis includes: the lower end of the supporting rod body is fixedly connected with the connecting rod, the supporting rod body and the connecting rod form an acute angle, the connecting rod is provided with a plurality of connecting holes which vertically penetrate through the connecting rod, the connecting holes are distributed at intervals, and the connecting holes are used for installing and connecting a screw rod of a bottom plate of a tower base. The utility model provides a bracing piece on tower section of thick bamboo basis is prefabricated formula product, through the connecting hole that the design was reserved, can realize the convenient of bracing piece and bottom plate and be connected, the service environment that the cast in situ is not convenient for of specially adapted, and prefabricated structural accuracy is higher, and the cost is lower.

Description

Support rod of tower drum foundation and tower drum foundation

Technical Field

The application belongs to the technical field of tower section of thick bamboo construction, particularly, relate to a bracing piece of tower section of thick bamboo basis and a tower section of thick bamboo that has this bracing piece.

Background

Along with the increase of the generating efficiency of the fan, the length of the blade is longer and longer, and the height and the section size of the fan tower barrel matched with the blade are also increased continuously. The steel structure tower barrel is high in cost and difficult to transport, so that the construction requirement of the large-section high tower barrel is difficult to meet. Concrete towers are of great interest because they enable large wind power plants to be economically constructed. The tower section of thick bamboo base in tower section of thick bamboo bottom carries upper portion tower section of thick bamboo, and its compressive strength directly influences the stability and the equilibrium of whole tower section of thick bamboo. In the related art, in order to stably connect various parts of the tower foundation, the tower foundation is cast in place, or the connection positions of the various parts of the tower foundation are cast in place, so that when the construction site is located in a remote area or an area with severe environment, the construction difficulty is high, and an improvement space exists.

Disclosure of Invention

The present application is directed to solving at least one of the problems in the prior art.

An object of this application is to provide a bracing piece on tower section of thick bamboo basis includes: the lower end of the supporting rod body is fixedly connected with the connecting rod, the supporting rod body and the connecting rod form an acute angle, the connecting rod is provided with a plurality of connecting holes which vertically penetrate through the connecting rod, the connecting holes are distributed at intervals, and the connecting holes are used for installing and connecting a screw rod of a bottom plate of a tower base.

The bracing piece on tower section of thick bamboo basis of this application embodiment is prefabricated formula product, through the connecting hole that the design was reserved, can realize the convenient of bracing piece and bottom plate and be connected, the service environment that the cast in situ is not convenient for to the specially adapted, and prefabricated structural accuracy is higher, and the cost is lower.

According to an embodiment of this application, tower section of thick bamboo basis's bracing piece, the bracing piece is equipped with first prestressing force pipeline, first prestressing force pipeline runs through the bracing piece body with the connecting rod.

According to an embodiment of this application's a tower section of thick bamboo basis bracing piece, the connecting rod is equipped with second prestressing force pipeline, second prestressing force pipeline is followed the length direction of connecting rod runs through the connecting rod.

According to the supporting rod of tower drum basis of an embodiment of this application, the bracing piece body with the contained angle of connecting rod is α, α is more than or equal to 30 ≤ 60 °.

According to the support rod of tower base of an embodiment of this application, the width of bracing piece at least in one direction is no more than 3.5 m.

According to the support rod of tower section of thick bamboo basis of an embodiment of this application, the support rod body with the middle part of connecting rod links to each other.

The application also provides a tower section of thick bamboo basis includes: the bottom plate is provided with a pre-embedded screw; the lower end of the central cylinder is connected with the bottom plate; the upper end of the central cylinder is connected with the top plate; according to the support rod, the support rod body extends in an inclined manner from top to bottom in a direction away from the central cylinder, the upper end of the support rod body is connected with the top plate, and the connecting rod is connected with the bottom plate through the screw rod penetrating through the connecting hole.

According to an embodiment of this application, tower section of thick bamboo basis still includes: the support rod is provided with a first prestressed pipeline, the first prestressed pipeline penetrates through the support rod body and the connecting rod, the first prestressed tendon penetrates through the first prestressed pipeline, and two ends of the first prestressed pipeline are respectively connected with the top plate and the bottom plate.

According to an embodiment of this application, tower section of thick bamboo basis still includes: the connecting rod is provided with a second prestressed pipeline, the second prestressed pipeline runs through the connecting rod along the length direction of the connecting rod, the bottom plate is provided with a rib beam, the rib beam is provided with a third prestressed pipeline, the second prestressed rib runs through the second prestressed pipeline and the third prestressed pipeline, and the connecting rod is connected with the rib beam through the second prestressed rib.

The advantages of the tower base and the support bar are the same as those of the support bar in the prior art, and are not described herein again.

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

FIG. 1 is a schematic structural diagram of a tower foundation according to an embodiment of the present application;

FIG. 2 is a cross-sectional view of the connection of the support bar with the top and bottom plates according to the embodiment of the present application;

fig. 3 is a sectional view of the connection between the support bar and the bottom plate according to the embodiment of the present application.

Reference numerals:

a tower base 100 is provided, which is,

a bottom plate 10, a bottom plate body 11, a boss 12, a rib beam 13, a screw rod 14, a nut 16,

the center tube 20, the top plate 30, the boss 31, the anchor bolt 33,

the support rod comprises a support rod 40, a support rod body 41, a first prestressed pipeline 42, a first prestressed rib 43, a connecting rod 44, a connecting hole 45, a second prestressed pipeline 46, a third prestressed pipeline 46a, a second prestressed rib 47 and a cushion layer 50.

Detailed Description

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

A tower foundation 100 according to an embodiment of the present application is described below with reference to FIGS. 1-3.

The tower foundation 100 of the embodiment of the present application is used for supporting a tower body, and the upper end of the tower body can be used for installing a wind turbine.

Referring now to FIG. 1, a tower foundation 100 according to an embodiment of the present application is described.

As shown in fig. 1, the tower foundation 100 of the embodiment of the present application includes: a bottom plate 10, a central cylinder 20, a top plate 30, and a support rod 40.

Wherein, the bottom plate 10 is located the foundation ditch, in the execution of reality, can be equipped with bed course 50 in the foundation ditch, then set up bottom plate 10 on bed course 50, the area of bottom plate 10 in the horizontal direction is greater than the area of a central section of thick bamboo 20 and roof 30, and the steadiness of bottom is higher like this, and bottom plate 10 can be reinforced concrete structure in order to have stronger compressive property. In a practical implementation, the bottom plate 10 may be designed as a circular plate, but is not limited to a flat plate structure, such as a step plate structure that may have steps.

The lower end of the central tube 20 is connected to the bottom plate 10, and the central tube 20 may be of a reinforced concrete structure to have a strong pressure resistance.

The central cylinder 20 is supported on the bottom plate 10, the central cylinder 20 may be a ring structure, a cavity is formed in the middle of the central cylinder 20, and a door opening is formed in at least one wall surface of the central cylinder 20, and the cavity is used for installing some accessory equipment of the wind turbine, including a platform plate for maintenance.

The upper end of the center tube 20 is connected to the top plate 30, the upper surface of the center tube 20 is connected to the lower surface of the top plate 30, and the top plate 30 may be a reinforced concrete structure to have a strong pressure resistance. The top plate 30 is used for supporting the tower body above, as shown in fig. 1, an anchor bolt 33 is arranged on the top plate 30, and the anchor bolt 33 is used for connecting the tower flange at the upper part.

The support bar 40 of the embodiment of the present application is described below with reference to fig. 1 to 3.

The support bar 40 includes: a support rod body 41 and a connecting rod 44.

The lower end of the support rod body 41 is fixedly connected with the connecting rod 44, and the support rod body 41 and the connecting rod 44 form an acute angle, for example, the included angle between the support rod body 41 and the connecting rod 44 is α, and α is more than or equal to 30 degrees and less than or equal to 60 degrees.

After the support rod body 41 is installed on the tower foundation 100, the support rod body 41 extends obliquely from top to bottom in a direction away from the central cylinder 20, the connecting rod 44 extends in the horizontal direction, the support rod body 41 is of a reinforced concrete structure, the connecting rod 44 is of a reinforced concrete structure, and the upper end of the support rod body 41 is connected with the top plate 30, so that the horizontal and vertical supporting forces provided by the support rod 40 are balanced. In an actual implementation, the supporting rod 40 is a prefabricated supporting rod 40, and the connecting rod 44 and the supporting rod body 41 may be integrally cast.

It can be appreciated that the obliquely arranged support rods 40 can provide an oblique supporting force to the top plate 30, so that the stability and balance of the top plate 30 and the tower body above the top plate are better.

As shown in fig. 2, the connecting rod 44 is provided with a plurality of connecting holes 45 vertically penetrating through the connecting rod 44, the plurality of connecting holes 45 are distributed at intervals, the supporting rod body 41 is connected with the middle part of the connecting rod 44, that is, two sides of the supporting rod body 41 are respectively provided with one connecting rod 44, the two connecting rods 44 are respectively provided with a plurality of connecting holes 45, the plurality of connecting holes 45 are distributed at intervals along the length direction and the width direction of the connecting rod 44, for example, the plurality of connecting holes 45 can be distributed in a dot matrix.

The connecting holes 45 are used for installing the screw rods 14 connected with the bottom plate 10 of the tower base 100. Thus, the prefabricated support rods 40 can be connected with the bottom plate 10 through a threaded connection structure, so that a cast-in-place manner is not needed, and the construction efficiency of the tower foundation 100 in remote or severe environment areas can be effectively improved.

As shown in FIG. 1, the bottom plate 10 of the tower foundation 100 is provided with a pre-embedded screw 14, the screw 14 extends out of the upper surface of the bottom plate 10, and the connecting rod 44 is connected with the bottom plate 10 through the screw 14 penetrating through the connecting hole 45. In actual implementation, the supporting rods 40 with the connecting holes 45 are prefabricated, when the supporting rods 40 are installed on the bottom plate 10, the screws 14 embedded in the bottom plate 10 penetrate through the connecting holes 45, the screws 14 of the bottom plate 10 correspond to the connecting holes 45 of the supporting rods 40 one by one, one end of each screw 14, which is far away from the bottom plate 10, extends out of the connecting hole 45, and the supporting rods 40 and the bottom plate 10 can be connected by installing the gasket and the nuts 16.

When the tower foundation 100 is constructed, the supporting rods 40 are prefabricated, and then the prefabricated supporting rods 40 are erected between the top plate 30 (or the central cylinder 20) and the bottom plate 10, the number of the supporting rods 40 is plural, and the plurality of the supporting rods 40 are uniformly spaced along the circumference of the central cylinder 20 to support the top plate 30 in all directions.

The bracing piece 40 of tower section of thick bamboo basis 100 of this application embodiment is prefabricated formula product, through the connecting hole 45 that the design was reserved, can realize being connected of bracing piece 40 and bottom plate 10's convenience, and the service environment that the cast-in-place is not convenient for to the specially adapted, and prefabricated structural accuracy is higher, and the cost is lower.

The tower tube foundation 100 of the embodiment of the application can realize the threaded connection between the supporting rod 40 and the bottom plate 10 through the prefabricated supporting rod 40, and the connection between the supporting rod 40 and the bottom plate 10 does not need to be in a cast-in-place mode, so that the tower tube foundation 100 is low in construction difficulty, high in modularization degree and low in construction cost.

In some embodiments, the support bar 40 has a width in at least one direction of no more than 3.5 m. It will be appreciated that the support bar 40 of the present embodiment is prefabricated, which necessarily involves transportation problems, and the transportation thereof is facilitated by defining the width thereof in a certain direction. Such as the support bar 40 shown in fig. 2, has a width W in a particular direction of less than 3.5 m.

As shown in fig. 1 to 3, the base plate 10 includes: bottom plate body 11, boss 12, rib 13.

Wherein the bottom plate body 11 can be flat, the bottom plate body 11 is supported on the cushion layer 50, the boss 12 protrudes from the upper surface of the bottom plate body 11, the area of the boss 12 is smaller than that of the bottom plate body 11, the boss 12 can be located at the center of the bottom plate body 11, the central cylinder 20 is supported on the boss 12, that is, the main bearing area of the bottom plate 10 is at the central position, and the structure of the boss 12 is equivalent to thickening the central area of the bottom plate 10, so as to prevent the central cylinder 20, the top plate 30 and the tower cylinder body above the central cylinder from crushing the bottom plate 10.

The rib 13 extends outwards from the periphery of the boss 12 in the radial direction, the rib 13 can be flush with the boss 12 in height, the rib 13 is connected with the upper surface of the bottom plate body 11, the lower surface of the rib 13 is flush with the upper surface of the bottom plate body 11, and the rib 13 can be in a strip shape.

The bottom surface of the connecting rod 44 is attached and connected to the upper surface of the bottom plate body 11, and the radially inner end surface of the connecting rod 44 is attached and connected to the radially outer end surface of the rib 13. The screw 14 is embedded in the area of the bottom plate body 11 not facing the boss 12 and the rib 13.

As shown in fig. 2 and 3, a first prestressed pipe 42 penetrating through the support rod 40 is arranged in the support rod 40, the first prestressed pipe 42 penetrates through the support rod body 41 and the connecting rod 44, the first prestressed pipe 42 mainly extends along the length direction of the support rod body 41 and extends to the penetrating connecting rod 44, and the first prestressed pipe 42 is used for tensioning the first prestressed tendons 43, so that the support rod 40 is connected with the top plate 30 and the bottom plate 10 through tensioning the first prestressed tendons 43.

For the tower foundation 100, a first prestressed tendon 43 is arranged in the first prestressed pipe 42, and two ends of the first prestressed tendon 43 are respectively connected with the bottom plate 10 and the top plate 30. The lower end of the first tendon 43 extends into the bottom plate body 11, and the upper end of the first tendon 43 is connected to the protrusion 31 of the top plate 30, so that prestress can be diagonally stretched between the top plate 30 and the bottom plate 10. The first prestressed pipe 42 may be a straight line type to facilitate tensioning of the first prestressed tendons 43.

As shown in fig. 3, in some embodiments, the connecting rod 44 is provided with a second pre-stressing conduit 46, the second pre-stressing conduit 46 extending through the connecting rod 44 along the length of the connecting rod 44. The second prestressed pipe 46 is used for installing the second prestressed tendons 47, so that the support bar 40 and the base plate 10 can be horizontally connected by tensioning the second prestressed tendons 47.

For the tower foundation 100, the bottom plate 10 has a rib 13, the rib 13 has a third prestressed pipe 46a, the second prestressed rib 47 extends through the second prestressed pipe 46 and the third prestressed pipe 46a, and the connecting rod 44 is connected to the rib 13 through the second prestressed rib 47. The second tendons 47 are tensioned radially through the connecting rods 44, the ribs 13 and the bosses 12.

To sum up, tower section of thick bamboo basis 100 of this application embodiment, the mode that need not through the cast in place is connected between bracing piece 40 and the bottom plate 10, can realize the threaded connection of bracing piece 40 and bottom plate 10 through prefabricated bracing piece 40, can realize bracing piece 40 and bottom plate 10 horizontal connection and the slope of roof 30, bracing piece 40, bottom plate 10 is connected through stretch-draw prestressing tendons for tower section of thick bamboo basis 100's the construction degree of difficulty is low, and the modularization degree is high, and the construction cost is low.

In the description herein, reference to the description of the terms "one embodiment," "some embodiments," "an illustrative embodiment," "an example," "a specific example," or "some examples" or the like means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the application. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

While embodiments of the present application have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the application, the scope of which is defined by the claims and their equivalents.

Claims

1. A support bar for a tower foundation, comprising: the lower end of the supporting rod body is fixedly connected with the connecting rod, the supporting rod body and the connecting rod form an acute angle, the connecting rod is provided with a plurality of connecting holes which vertically penetrate through the connecting rod, the connecting holes are distributed at intervals, and the connecting holes are used for installing and connecting a screw rod of a bottom plate of a tower base.

2. The tower foundation support bar of claim 1, wherein the support bar is provided with a first pre-stressed conduit that extends through the support bar body and the connecting bar.

3. The tower foundation support bar of claim 1, wherein the connecting bar is provided with a second pre-stressed conduit that extends through the connecting bar along the length of the connecting bar.

4. A support bar for a tower foundation according to any one of claims 1-3, characterised in that the angle between the support bar body and the connecting bar is α, 30 ° - α ° -60 °.

5. A support bar for a tower foundation according to any one of claims 1-3, characterised in that the support bar has a width of not more than 3.5m in at least one direction.

6. The tower foundation support bar of any one of claims 1-3, wherein the support bar body is connected to a middle portion of the connecting bar.

7. A tower foundation, comprising:

the bottom plate is provided with a pre-embedded screw;

the lower end of the central cylinder is connected with the bottom plate;

the upper end of the central cylinder is connected with the top plate;

the support rod as set forth in any one of claims 1 to 6, wherein the support rod body is extended obliquely from top to bottom in a direction away from the central tube, the upper end of the support rod body is connected to the top plate, and the connection rod is connected to the bottom plate by means of the screw passing through the connection hole.

8. The tower foundation of claim 7, further comprising: the support rod is provided with a first prestressed pipeline, the first prestressed pipeline penetrates through the support rod body and the connecting rod, the first prestressed tendon penetrates through the first prestressed pipeline, and two ends of the first prestressed pipeline are respectively connected with the top plate and the bottom plate.

9. The tower foundation of claim 7, further comprising: the connecting rod is provided with a second prestressed pipeline, the second prestressed pipeline runs through the connecting rod along the length direction of the connecting rod, the bottom plate is provided with a rib beam, the rib beam is provided with a third prestressed pipeline, the second prestressed rib runs through the second prestressed pipeline and the third prestressed pipeline, and the connecting rod is connected with the rib beam through the second prestressed rib.