CN112081719A - Tower barrel section, stay cable type tower frame, forming method and wind generating set - Google Patents

Abstract

The invention relates to a tower tube section, a guyed tower frame, a forming method and a wind generating set, wherein the tower tube section comprises: the tower barrel body comprises a hollow cavity and a side wall enclosing the hollow cavity, and a guide hole communicated with the hollow cavity is formed in the side wall; the fixing part is arranged in the hollow cavity and connected with the side wall, a fixing hole is formed in the fixing part, and the wall surface which forms the guide hole in a surrounding mode surrounds the axis of the fixing hole; and the sealing part is arranged in the hollow cavity and surrounds the guide hole, is in sealing connection with the side wall and comprises a communication hole communicated with the guide hole and the hollow cavity. The tower cylinder section, the stay cable type tower frame, the forming method and the wind generating set provided by the embodiment of the invention can meet the connection requirement between the stay cable and the tower frame body, are convenient for maintenance and are beneficial to comprehensive popularization of the stay cable type tower frame.

Description

Tower section, stay-cable tower, forming method and wind turbine

technical field

The invention relates to the technical field of wind power, in particular to a tower section, a cable-type tower, a forming method and a wind power generator set.

Background technique

With the rapid development of the wind power industry, high towers have gradually become a development trend. The cable-stayed towers can meet the increase in the height of the towers without greatly increasing the overall weight of the towers. With their excellent performance, they can meet the needs of the market. , has a very broad application prospect.

However, in the existing stay-cable towers, lugs are usually welded on the outer peripheral side walls of the tower section to connect the stay-cable and the tower body. Connection requirements, but there are also difficulties in connection and inconvenient maintenance between the cable and the tower body, which is not conducive to the comprehensive promotion of the cable-type tower.

Therefore, there is an urgent need for a new tower section, a stay-cable tower, a forming method and a wind turbine.

SUMMARY OF THE INVENTION

Embodiments of the present invention provide a tower section, a cable-type tower, a forming method, and a wind power generator set, which can meet the connection requirements between the cable and the tower body, facilitate maintenance between the two, and facilitate pulling Comprehensive promotion of cable towers.

On the one hand, according to an embodiment of the present invention, a tower section is proposed, comprising: a tower body, including a hollow cavity and a side wall enclosing the hollow cavity, the side wall is provided with a guide hole communicating with the hollow cavity; a fixing member , which is arranged in the hollow cavity and connected with the side wall. The fixing part is provided with a fixing hole, and the wall surface enclosing the guide hole surrounds the axis of the fixing hole; the sealing part is arranged in the hollow cavity and surrounds the guiding hole, and the sealing part is connected to the guide hole. The side wall is sealed and connected and includes a communication hole communicating with the guide hole and the hollow cavity.

According to one aspect of the embodiments of the present invention, the sealing member includes a rigid sealing member and a flexible sealing member which are connected to each other, the flexible sealing member surrounds the guide hole and is sealingly connected with the side wall, and the rigid sealing member is located on a side of the flexible sealing member away from the guide hole, The communication hole penetrates the rigid seal and the flexible seal.

According to an aspect of the embodiments of the present invention, the rigid seal is a stepped sleeve-like structure as a whole, and is formed by splicing two or more sleeve segments along its own circumferential direction, and two adjacent sleeve segments are detachably connected to each other.

According to one aspect of the embodiments of the present invention, the flexible seal includes a flexible sleeve and flanges disposed opposite to each other in the axial direction of the flexible sleeve and connected to the flexible sleeves respectively, wherein one flange is connected to the side wall, and the other flange is connected to the side wall. A flange is attached to the rigid seal.

According to an aspect of the embodiment of the present invention, the fixing member includes fixing members arranged in pairs and spaced apart from each other in the circumferential direction of the tower body, an adapter is connected between each pair of the fixing members, the fixing hole penetrates the adapter, and the guide hole and the fixing parts are located between the two fixing parts of the same pair.

According to an aspect of the embodiments of the present invention, the fixing member is a strip-shaped structure extending along the axial direction of the tower body and has a protruding portion protruding toward the interior of the hollow cavity, the protruding portion has an inclined surface, and the adapter is connected to The inclined surfaces of the two fixing pieces arranged in pairs.

According to an aspect of the embodiments of the present invention, the tower section further includes a ring-shaped reinforcing member disposed in the hollow cavity, the reinforcing member is connected to the side wall and extends along the circumference of the tower body.

According to an aspect of the embodiment of the present invention, the number of reinforcing parts is two or more and are arranged at intervals in the axial direction of the tower body, and the fixing part is located between two adjacent reinforcing parts in the axial direction of the tower body. , one end of the fixing part is connected with one of the reinforcing parts, and the other end of the fixing part is connected with the other reinforcing part.

According to one aspect of the embodiments of the present invention, the reinforcing member is a closed ring body disposed coaxially with the tower body; The arc-shaped units are spliced with each other or arranged at intervals from each other.

According to one aspect of the embodiment of the present invention, the tower section further includes a maintenance platform, the maintenance platform is disposed in the hollow cavity and connected to the side wall.

On the other hand, according to an embodiment of the present invention, a cable-stayed tower is proposed, comprising: a tower body, including a plurality of stacked tower sections, and two adjacent tower sections are connected by end flanges, Wherein, at least one tower section adopts the above-mentioned tower section; the cable, one end of the cable passes through the guide hole, the communication hole and the fixing hole in turn and is connected to the fixed part, and the other end of the cable is used for connecting with the foundation; wherein , the fixed part is sealed with the cable.

According to an aspect of the embodiments of the present invention, the axial direction of the fixing hole is the same as the extending direction of the cable to which it is connected.

In another aspect, according to an embodiment of the present invention, a forming method is provided for forming a stay-cable tower, and the forming method includes:

Provide an initial barrel section, the initial barrel section includes a tower barrel body and a fixed part, the tower barrel body includes a hollow cavity and a side wall enclosing the hollow cavity, the side wall is provided with a guide hole communicating with the hollow cavity, and the fixed component is arranged in the hollow cavity. The cavity is connected with the side wall, the fixing part is provided with a fixing hole, and the wall surface enclosing the guide hole surrounds the axis of the fixing hole;

Provide a cable, pass one end of the cable through the guide hole and the fixing hole in turn and connect it to the fixing part, and connect the other end of the cable to the foundation at the same time;

Lift the initial barrel section to a predetermined height and tension the cable in the hollow cavity;

A sealing member is provided, the sealing member includes a communication hole and is placed in the hollow cavity, the sealing portion is surrounded by the guide hole and is sealedly connected with the side wall to form a tower section, and at the same time, the sealing member is sleeved on the cable through the communication hole and is connected with the cable. The stay cables are sealingly connected to form a stay-cable tower.

In another aspect, according to an embodiment of the present invention, a wind power generating set is provided, including the above-mentioned stay-cable tower or the stay-cable tower formed by the above-mentioned forming method.

According to the tower section, the cable-type tower, the forming method, and the wind power generator set provided by the embodiments of the present invention, the tower section includes a tower body, a fixing part and a sealing part, and the stay cable can pass through the side wall of the tower body. The guide hole extends into the cavity and passes through the fixing hole on the fixing member to be connected with the fixing member to realize the connection between the cable and the tower section, thereby meeting the connection requirements between the cable and the tower body. At the same time, since the stay cable extends into the interior of the tower section and is fixed by the fixing member, the connection between the stay cable and the tower section and the maintenance of the two are more convenient. The corresponding sealing member is arranged in the hollow cavity and surrounds the guide hole. When the cable extends into the hollow chamber, it first passes through the communication hole of the sealing member and then connects with the fixing member. The sealing member can be respectively connected with the side wall and the cable. The sealing connection is maintained between them, which can ensure the airtightness inside the hollow cavity, thereby ensuring the safe use of the formed cable-type tower and the electrical components in the wind turbine.

Description of drawings

Features, advantages, and technical effects of exemplary embodiments of the present invention will be described below with reference to the accompanying drawings.

1 is a schematic structural diagram of a wind turbine according to an embodiment of the present invention;

Fig. 2 is the structural schematic diagram of the stay-cable tower according to the embodiment of the present invention;

Fig. 3 is the structural representation of the tower section of the embodiment of the present invention;

4 is a cross-sectional structural schematic diagram of the cooperation of the tower section and the stay cable according to the embodiment of the present invention;

Fig. 5 is the partial structure schematic diagram of the tower section and the stay cable in the embodiment of the present invention;

FIG. 6 is a schematic structural diagram of a fixing member according to an embodiment of the present invention;

7 is a schematic structural diagram of a sealing member according to an embodiment of the present invention;

8 is a top view of a rigid seal according to an embodiment of the present invention;

9 is a side view of a rigid seal of an embodiment of the present invention;

10 is a schematic flowchart of a molding method according to an embodiment of the present invention.

in:

1- Cable tower;

100 - tower body;

10-tower section;

11-tower body; 111-hollow cavity; 112-side wall; 113-guide hole; 114-installation flange;

12-fixed part; 121-fixed hole; 121a-axis; 122-fixed part; 122a-protrusion; 122b-inclined surface; 123-adapter;

13-seal part; 131-communication hole; 132-rigid seal; 132a-first set; 132b-second set; 132c-rib; 132d-sleeve segment; 133-flexible seal; 133a-flexible sleeve; 133b - flange;

14- Reinforcing parts;

20-end flange;

200-stay cable; 300-anchor plate;

2- tower foundation; 3- nacelle; 4- impeller; 401- hub; 402- blade;

X-axial; Y-circumferential.

In the drawings, the same components are given the same reference numerals. The drawings are not drawn to actual scale.

Detailed ways

Features and exemplary embodiments of various aspects of the invention are described in detail below. In the following detailed description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. However, it will be apparent to one skilled in the art that the present invention may be practiced without some of these specific details. The following description of the embodiments is only intended to provide a better understanding of the present invention by illustrating examples of the invention. In the drawings and the following description, at least some well-known structures and techniques are not shown in order to avoid unnecessarily obscuring the present invention; and, the dimensions of some structures may be exaggerated for clarity. Furthermore, the features, structures or characteristics described below may be combined in any suitable manner in one or more embodiments.

The orientation words appearing in the following description are the directions shown in the drawings, and are not intended to limit the specific structure of the tower section, the stay-cable tower, the forming method and the wind turbine of the present invention. In the description of the present invention, it should also be noted that, unless otherwise expressly specified and limited, the terms "installation" and "connection" should be understood in a broad sense, for example, it may be a fixed connection or a detachable connection, or Connected integrally; either directly or indirectly. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood according to specific conditions.

For a better understanding of the present invention, the tower section, the stay-cable tower, the forming method and the wind turbine according to the embodiments of the present invention will be described in detail below with reference to FIGS. 1 to 10 .

Please refer to FIG. 1 and FIG. 2 , FIG. 1 shows a schematic structural diagram of a wind turbine according to an embodiment of the present invention, and FIG. 2 shows a structural schematic diagram of a stay-cable tower 1 according to an embodiment of the present invention. The embodiment of the present invention provides a wind power generator set, which mainly includes a tower foundation 2 , a cable-type tower 1 , a nacelle 3 , a generator and an impeller 4 . The cable-type tower 1 is connected to the tower foundation 2 , the nacelle 3 is arranged on the top of the cable-type tower 1 , and the generator is arranged in the engine room 3 . The impeller 4 includes a hub 401 and a plurality of blades 402 connected to the hub 401 , and the impeller 4 is connected to the rotating shaft of the generator through the hub 401 . When the wind acts on the blades 402, the entire impeller 4 and the rotating shaft of the generator are driven to rotate, thereby meeting the power generation requirements of the wind turbine.

It can be seen from the above description of the structure of the wind turbine that the heavy equipment such as the nacelle 3, the generator and the impeller 4 are supported above the cable-type tower 1. When the height of the wind turbine is high or the power is high, the pull The carrying capacity of the cable tower 1 has higher requirements.

Therefore, in order to better meet the above requirements, the embodiment of the present invention also provides a new type of stay-cable tower 1, the stay-cable tower 1 includes a tower body 100 and a stay cable 200 connected to the tower body 100, The cable 200 is connected with the tower body 100 reliably and is easy to install and maintain.

In some optional examples, the tower body 100 includes a plurality of tower sections 10 arranged on top of each other, and each tower section 10 is provided with end flanges 20 at both ends of its own axial direction X, and two adjacent ones are provided with end flanges 20 respectively. The end flanges 20 on the tower section 10 are connected by fasteners. In order to meet the connection requirements between the entire tower body 100 and the corresponding stay cables 200, optionally, the embodiment of the present invention further provides a new type of tower section 10, which can be produced as an independent component, Selling, etc., of course, can also be used for and as a part of the stay-cable tower 1 of each of the above examples.

Please refer to FIG. 3 to FIG. 5 together. FIG. 3 shows a schematic structural diagram of the tower section 10 according to an embodiment of the present invention, and FIG. 4 shows a cross-sectional view of the cooperation between the tower section 10 and the stay cable 200 according to the embodiment of the present invention. In view of the schematic structural diagram, FIG. 5 shows a partial structural schematic diagram of the cooperation between the tower section 10 and the stay cable 200 according to the embodiment of the present invention.

The novel tower section 10 provided in the embodiment of the present invention includes a tower body 11 , a fixing part 12 and a sealing part 13 . The tower body 11 includes a hollow cavity 111 and a side wall 112 enclosing the hollow cavity 111 . A guide hole 113 communicating with the hollow cavity 111 is provided. The fixing member 12 is disposed in the hollow cavity 111 and connected to the side wall 112 . The fixing member 12 is provided with a fixing hole 121 , and the wall surface enclosing the guide hole 113 surrounds the axis 121 a of the fixing hole 121 . The sealing member 13 is disposed in the hollow cavity 111 and surrounds the guide hole 113 . The sealing member 13 is sealedly connected to the side wall 112 and includes a communication hole 131 communicating with the guide hole 113 and the hollow cavity 111 .

When the tower section 10 is applied to the wind turbines of the above embodiments, the stay cable 200 can extend into the cavity 111 through the guide hole 113 on the side wall 112 of the tower body 11 , and then pass through the fixing member 12 The fixing hole 121 on the upper part is then connected to the fixing part 12 to realize the connection between the stay cable 200 and the tower section 10 , thereby meeting the connection requirements between the stay cable 200 and the tower body 100 . Meanwhile, since the stay cable 200 extends into the interior of the tower section 10 and is fixed by the fixing member 12 , the connection between the stay cable 200 and the tower section 10 and the maintenance of the two are more convenient.

The corresponding sealing member 13 is arranged in the hollow cavity 111 and surrounds the guide hole 113. When the cable 200 extends into the hollow cavity 111, it needs to pass through the communication hole 131 of the sealing member 13 and then connect with the fixing member 12. The component 13 can be sealed with the side wall 112 and the cable 200 respectively, which can ensure the airtightness of the hollow cavity 111, thereby ensuring the safety of the formed cable tower 1 and the electrical components in the wind turbine.

In a specific implementation, the number of the guide holes 113 opened on the tower section 10 may be determined according to the number of the stay cables 200 , and may be selected as one-to-one correspondence with the number of the stay cables 200 . In some optional examples, the number of the guide holes 113 may be multiple, and the plurality of guide holes 113 are spaced apart from each other in the circumferential direction Y of the tower section 10, optionally spaced and evenly disposed, each guide hole 113 It can be circular, oval or polygonal, and each guide hole 113 can be provided with a corresponding fixing member 12 .

Please refer to FIG. 6 together. FIG. 6 shows a schematic structural diagram of the fixing member 12 according to an embodiment of the present invention. As an optional embodiment, in order to facilitate better fixing of the cable 200, optionally, the fixing member 12 includes fixing members 122 arranged in pairs and spaced apart from each other in the circumferential direction Y of the tower body 11. An adapter piece 123 is connected between the fixing pieces 122 , the fixing hole 121 penetrates the adapter piece 123 , and the guide hole 113 and the fixing part 12 are located between the two fixing pieces 122 of the same pair. Through the above arrangement, the cable 200 entering through the guide hole 113 can be better connected to the fixing member 12 after passing through the sealing member 13 , and at the same time, the distance between the fixing member 12 and the side wall 112 of the tower body 11 can be ensured. connection strength.

In some optional examples, the fixing member 122 is a strip-shaped structure extending along the axial direction X of the tower body 11 and has a protruding portion 122 a protruding toward the interior of the hollow cavity 111 , and the protruding portion 122 a has an inclined surface 122 b , the adapter 123 is connected to the inclined surfaces 122b of the two fixing members 122 arranged in pairs, and the cable 200 passes through the fixing hole 121 on the adapter 123 and is fixed on the adapter 123 through the anchor plate 300 . Through the above arrangement, the adapter 123 can be inclined relative to the side wall 112 of the tower section 10 , thereby better ensuring the inclination angle requirement of the stay cable 200 . In specific implementation, the adapter 123 may adopt a regular-shaped plate-like structure, such as a quadrilateral, octagonal and other polygonal plate-like structures, and the surface of the adapter 123 away from the inclined surface 122b may be a flat surface, which is more conducive to Fitting with anchor plate 300.

Please refer to FIGS. 7 to 9 together. FIG. 7 shows a schematic structural diagram of the sealing member 13 according to the embodiment of the present invention, FIG. 8 shows a top view of the rigid sealing member 132 according to the embodiment of the present invention, and FIG. A side view of the rigid seal 132 of an inventive embodiment.

In order to better satisfy the sealing effect of the sealing member 13 on the guide hole 113 and the pull cable 200 , as an optional embodiment, the sealing member 13 includes a rigid sealing member 132 and a flexible sealing member 133 that are connected to each other. The flexible sealing member 133 surrounds the periphery of the guide hole 113 and is in sealing connection with the side wall 112 of the tower body 11 . The rigid seal 132 is located on the side of the flexible seal 133 away from the guide hole 113 , and the communication hole 131 penetrates the rigid seal 132 and the flexible seal 133 . Through the above arrangement, the sealing member 13 can be fixedly connected with the cable 200 through the rigid sealing member 132, and at the same time, the flexible sealing member 133 is fixed through the rigid sealing member 132, that is, the sealing performance with the cable 200 can be ensured, and the corresponding setting The flexible seal 133 is located between the rigid seal 132 and the side wall 112, so that when the cable-type tower 1 is shaken by the wind load and the inclination of the cable 200 changes due to the shaking, the flexible seal 133 can alleviate the And release the relative sway between the cable 200 and the tower body 11 , adjust the cable 200 to the best position, and can ensure the sealing performance inside the tower body 11 .

As an optional embodiment, the rigid seal 132 has a stepped sleeve-like structure as a whole and is formed by splicing two or more sleeve segments 132d along its own circumferential direction, and two adjacent sleeve segments 132d are detachably connected to each other. In a specific implementation, the rigid seal 132 may include a second sleeve 132b and a first sleeve 132a disposed on the upper surface of the second sleeve 132b, and the outer diameter of the first sleeve 132a is smaller than that of the second sleeve 132b. Each sleeve segment 132d is composed of a part of the first sleeve 132a and a part of the second sleeve 132b, and two adjacent sleeve segments 132d are connected to each other by a pair of ribs 132c, and one of the pair of ribs 132c One rib 132c is connected to one sleeve segment 132d, and the other rib 132c is connected to another sleeve segment 132d. During specific implementation, the pair of ribs 132c can be detachably connected to each other through fasteners, so as to meet the detachable connection requirements of two adjacent sleeve segments 132d.

In a specific implementation, the rigid sealing member 132 may be formed by splicing two sleeve segments 132d in its own circumferential direction, and the two sleeve segments 132d jointly clamp and fix the cable 200 and are sealedly connected with the cable 200 . The second sleeve 132b may be located between the first sleeve 132a and the flexible seal 133, and the rigid seal 132 may be detachably connected to the flexible seal 133 through its second sleeve 132b. In specific implementation, the rigid seal 132 may be made of metal or nylon material.

As an optional embodiment, the flexible seal 133 may include a flexible sleeve 133a and flanges 133b which are disposed opposite to each other in the axial direction of the flexible sleeve 133a and are connected to the flexible sleeves 133a respectively, one of the flanges 133b is connected with the side wall 112 of the tower body 11 , and the other flange 133b is connected with the rigid seal 132 . The flexible sealing member 133 adopts the above-mentioned structural form, which can better satisfy the follow-up effect with the cable 200 , and can also meet the sealing connection requirements with the side wall 112 of the tower body 11 and the rigid sealing member 132 .

During specific implementation, in order to facilitate the connection with the flange 133b of the flexible seal 133 , optionally, flange holes may be set opposite to the rigid seal 132 , specifically, a second set of the flexible seal 133 may be provided. A flange hole is provided on the 132b so as to be detachably connected to one of the flanges 133b of the flexible sealing member 133 . Optionally, a mounting flange 114 may also be provided on the side wall 112 of the tower body 11, and the mounting flange 114 matches the shape of the other flange 133b of the flexible seal 133 and is detachably connected to each other. Flange 114 may be positioned around cable 200 .

In order to better satisfy the sealing performance between the sealing member 13 and the cable 200 and the side wall 112 , optionally, at the gap where the rigid sealing member 132 and the flexible sealing member 133 are connected, and/or at the flexible sealing member 133 Sealing colloid is arranged at the gap connected with the side wall 112 of the tower body 11, so as to better ensure the sealing effect inside the tower body 11, and ensure that the wind turbine can operate more safely and stably.

In some optional examples, the flexible cover 133a may be specifically made of silicone cloth or a flexible material such as rubber. At the same time, in order to facilitate the overall replacement of the sealing member 13 , optionally, the flexible sealing member 133 may also adopt a split structure, which is also formed by splicing two or more splicing units in the circumferential direction of the rigid sealing member 132 . Bonding and other means to connect to each other.

Please continue to refer to FIGS. 1 to 9 , as an optional implementation manner, the tower section 10 provided in the above embodiments may further include a ring-shaped reinforcing member 14 disposed in the hollow cavity 111 , and the reinforcing member 14 is connected to It extends on the side wall 112 and along the circumferential direction Y of the tower body 11 . By providing the annular reinforcing member 14 , not only the overall strength of the tower section 10 can be improved, but also the tensile stress generated by the stay cable 200 can be uniformly transmitted to the tower body 11 .

As an optional embodiment, the number of the reinforcing members 14 is two or more and they are spaced apart from each other in the axial direction X of the tower body 11, and the fixing member 12 is located between two adjacent reinforcing members 14. In the axial direction X of the body 11 , one end of the fixing member 12 is connected to one of the reinforcing members 14 , and the other end of the fixing member 12 is connected to the other reinforcing member 14 . By providing two or more reinforcement members 14 , the overall load resistance capability of the tower body 11 can be further improved. At the same time, the above-mentioned connection relationship between the fixing member 12 and the reinforcing member 14 is limited to further ensure the ability of the fixing member 12 to resist the tensile stress generated by the cable 200, and at the same time, the force of the cable 200 on the fixing member 12 can also be ensured. Through the uniform transmission of the reinforcing member 14 to the tower body 11 , the overall ability of the tower section 10 to bear the wind load is further improved. In a specific implementation, the fixing member 12 may be connected to two adjacent reinforcing members 14 through a pair of fixing members 122 .

In a specific implementation, the fixing member 12 may be directly connected to both the side wall 112 and the reinforcing member 14 . Of course, in some other examples, the fixing member 12 may also be indirectly connected to the side wall 112 through the reinforcing member 14 .

As an optional embodiment, the reinforcing member 14 is a closed ring body disposed coaxially with the tower body 11 . Through the above arrangement, the overall bearing capacity of the tower section 10 can be further optimized, and the installation of the reinforcing member 14 can be facilitated at the same time. position. Of course, in some other examples, the reinforcing member 14 may also be composed of two or more arc-shaped units arranged in sequence along the circumferential direction Y of the tower body 11, and two adjacent arc-shaped units are spliced with each other or arranged at intervals. Through the above arrangement, the reinforcing effect on the tower body 11 and the connecting effect on the fixing member 12 can also be satisfied.

In specific implementation, when the tower section 10 provided in the above embodiments is applied to the stay-cable tower 1 , optionally, the axial direction X of the fixing hole 121 is the same as the extension direction of the stay cable 200 . Through the above arrangement, the stay-cable tower 1 can be more optimized, the shear force borne by the stay-cable can be reduced, and the inclination angle requirement of the stay-cable 200 can be more easily satisfied.

In the stay-cable tower 1 provided by the above embodiments of the present invention, among the tower sections 10 included, only one of the tower sections 10 may adopt the novel tower section provided by the above embodiments in FIGS. 3 to 9 . 10. Of course, according to requirements, two or more tower sections 10 adopt the above-mentioned novel sleeve section 132d, which can meet the connection requirements of the cables 200 in the cable-type towers 1 of different structural forms.

In order to facilitate the installation and maintenance of the stay cable 200 , optionally, the tower section 10 further includes a maintenance platform (not shown in the figure), and the maintenance platform is arranged in the hollow cavity 111 and is interconnected with the side wall 112 of the tower body 11 , By setting the maintenance platform, support can be provided for the operator, which facilitates the connection and maintenance between the cable 200 and the sealing part 13 and the fixing part 12 in the tower section 10 .

To sum up, the tower section 10 provided in the embodiment of the present invention includes the tower body 11 , the fixing part 12 and the sealing part 13 , so that the stay cable 200 can extend through the guide hole 113 on the side wall 112 of the tower body 11 . It enters the cavity 111 and passes through the fixing hole 121 on the fixing member 12 and is connected to the fixing member 12 to meet the connection requirements between the cable 200 and the tower section 10, and further meet the connection between the cable 200 and the tower body 100. connection requirements.

At the same time, since the stay cable 200 extends into the interior of the tower section 10 and is fixed by the fixing member 12 , the operator can implement the connection between the stay cable 200 and the tower section 10 in the interior of the tower section 11 and the connection between the two maintenance, and the operation is more convenient. Correspondingly provided sealing members 13 can ensure the airtightness inside the hollow cavity 111 , thereby ensuring the safe use of the formed cable-type tower 1 and the electrical components in the wind turbine.

However, the cable-type tower 1 and the wind power generator set provided by the embodiments of the present invention include the tower sections 10 of the above-mentioned embodiments, so that the cable-type tower 1 and the wind power generation using the cable-type tower 1 can be generated. The unit can realize the connection and maintenance between the tower body 100 and the stay cable 200 inside the tower body 100, and can also ensure its own airtightness, which not only has good safety performance, but also facilitates construction and maintenance.

Please refer to FIG. 10 together. FIG. 10 shows a schematic flowchart of a molding method according to an embodiment of the present invention. As an optional implementation manner, an embodiment of the present invention also provides a molding method for molding the above-mentioned various implementations. The cable-stayed tower 1 includes the following steps:

S100 , providing an initial barrel section, where the initial barrel section includes a tower barrel body 11 and a fixed component 12 . The tower body 11 includes a hollow cavity 111 and a side wall 112 enclosing the hollow cavity 111 . The side wall 112 is provided with a guide hole 113 communicating with the hollow cavity 111 , and the fixing member 12 is arranged in the hollow cavity 111 and connected to the side wall 112 . , the fixing member 12 is provided with a fixing hole 121, and the wall surface enclosing the guide hole 113 surrounds the axis 121a of the fixing hole 121;

S200, providing a cable 200, passing one end of the cable 200 through the guide hole 113 and the fixing hole 121 in sequence and connecting to the fixing member 12, and connecting the other end of the cable 200 to the foundation, which may be the tower foundation 2 , it can also be the foundation of the cable anchor;

S300, lifting the initial cylinder section to a predetermined height, and tensioning the cable 200 in the hollow cavity 111;

S400, providing the sealing member 13, the sealing member 13 including the communication hole 131 and placing it in the hollow cavity 111, surrounding the sealing member 13 around the guide hole 113 and sealingly connecting with the side wall 112 to form the tower section 10, and at the same time make the sealing member 13 is sleeved on the cable 200 through the communication hole 131 and is sealedly connected with the cable 200 to form the cable-type tower 1 .

In this molding method, the structural forms of the tower body 100 , the fixing part 12 , and the sealing part 13 can be the tower body 100 included in the tower section 10 of the above embodiments disclosed in FIGS. 3 to 9 . , the structural forms of the fixing part 12 and the sealing part 13 , which will not be repeated here. In addition, in the step of providing the sealing member 13 , the gaps between the sealing member 13 and the cable 200 and the side wall 112 of the tower body 11 may be further sealed with a sealant.

The forming methods provided by the above embodiments of the present invention can meet the connection requirements between the cable 200 and the corresponding tower section 10 of the cable-type tower 1, and at the same time, the cable-type tower 1 that can be formed has reliable sealing performance, And easy to construct and maintain.

In addition, with the cable-type tower 1 provided by the above embodiments of the present invention or the cable-type tower 1 formed by the molding method, when there is a maintenance requirement, the cable can be checked on the maintenance platform inside the tower section 10 200 is slack. Correspondingly, the rigid seal 132 and the flexible seal 133 of the sealing member 13 are disassembled to check whether the position where the cable 200 passes through the tower body 11 is worn or not, so that both ends of the cable 200 can be maintained. 200 risk of unilateral maintenance, has the beneficial effects of easy molding and maintenance, and is easy to promote.

While the present invention has been described with reference to the preferred embodiments, various modifications may be made and equivalents may be substituted for parts thereof without departing from the scope of the invention. In particular, as long as there is no structural conflict, each technical feature mentioned in each embodiment can be combined in any manner. The present invention is not limited to the specific embodiments disclosed herein, but includes all technical solutions falling within the scope of the claims.

Claims (14)

1. A tower segment (10), comprising:

the tower barrel body (11) comprises a hollow cavity (111) and a side wall (112) enclosing to form the hollow cavity (111), wherein a guide hole (113) communicated with the hollow cavity (111) is formed in the side wall (112);

the fixing component (12) is arranged in the hollow cavity (111) and connected with the side wall (112), a fixing hole (121) is formed in the fixing component (12), and the wall surface which forms the guide hole (113) in a surrounding mode surrounds the axis (121a) of the fixing hole (121);

and the sealing component (13) is arranged in the hollow cavity (111) and surrounds the guide hole (113), and the sealing component (13) is connected with the side wall (112) in a sealing mode and comprises a communication hole (131) communicated with the guide hole (113) and the hollow cavity (111).

2. The tower segment (10) of claim 1, wherein the sealing member (13) comprises a rigid seal (132) and a flexible seal (133) connected to each other, the flexible seal (133) surrounding the guide hole (113) and being in sealing connection with the side wall (112), the rigid seal (132) being located on a side of the flexible seal (133) remote from the guide hole (113), the communication hole (131) extending through the rigid seal (132) and the flexible seal (133).

3. The tower segment (10) of claim 2, wherein the rigid seal member (132) is integrally formed as a stepped sleeve-like structure and is formed by joining two or more sleeve segments (132d) to each other along its own circumferential direction, and adjacent two of the sleeve segments (132d) are detachably connected to each other.

4. A tower segment (10) according to claim 2, characterised in that said flexible sealing element (133) comprises a flexible sleeve (133a) and flanges (133b) arranged opposite each other in the axial direction of the flexible sleeve (133a) and connected to the flexible sleeve (133a), respectively, one of said flanges (133b) being connected to the side wall (112) and the other flange (133b) being connected to the rigid sealing element (132).

5. The tower segment (10) according to any one of claims 1 to 4, wherein the fixing member (12) comprises fixing pieces (122) arranged in pairs and spaced apart from each other in the circumferential direction (Y) of the tower body (11), an adapter (123) is connected between each pair of the fixing pieces (122), the fixing hole (121) penetrates through the adapter (123), and the guide hole (113) and the fixing member (12) are located between two fixing pieces (122) of the same pair.

6. The tower segment (10) according to claim 5, wherein the fixing member (122) is a bar-shaped structure extending along the axial direction (X) of the tower body (11) and having a protrusion (122a) protruding into the hollow cavity (111), the protrusion (122a) has an inclined surface (122b), and the adaptor (123) is connected to the inclined surfaces (122b) of two fixing members (122) arranged in pair.

7. The tower segment (10) according to any of claims 1 to 4, wherein the tower segment (10) further comprises a reinforcement member (14) disposed in the hollow cavity (111) and having a ring shape, wherein the reinforcement member (14) is connected to the side wall (112) and extends along the circumferential direction (Y) of the tower body (11).

8. The tower segment (10) according to claim 7, wherein the number of the reinforcing members (14) is two or more and the reinforcing members are spaced apart from each other in the axial direction (X) of the tower body (11), the fixing member (12) is located between two adjacent reinforcing members (14), one end of the fixing member (12) is connected to one of the reinforcing members (14) and the other end of the fixing member (12) is connected to the other reinforcing member (14) in the axial direction (X) of the tower body (11).

9. The tower segment (10) of claim 7, characterised in that the reinforcing element (14) is a closed ring arranged coaxially with the tower body (11); or the reinforcing part (14) is composed of more than two arc-shaped units which are sequentially arranged along the circumferential direction (Y) of the tower drum body (11), and every two adjacent arc-shaped units are spliced or arranged at intervals.

10. The tower section (10) according to any of claims 1 to 4, wherein the tower section (10) further comprises a maintenance platform disposed within the hollow cavity (111) and connected to the sidewall (112).

11. A stay cable tower (1) characterized by comprising:

a tower body (100) comprising a plurality of stacked tower sections (10), wherein two adjacent tower sections (10) are connected by an end flange (20), and at least one tower section (10) adopts the tower section (10) as claimed in any one of claims 1 to 10;

one end of the cable (200) penetrates through the guide hole (113), the communication hole (131) and the fixing hole (121) in sequence and is connected to the fixing component (12), and the other end of the cable (200) is used for being connected with a foundation;

wherein, the fixed part (12) is connected with the inhaul cable (200) in a sealing way.

12. Dragline tower (1) according to claim 11, characterized in that the fixing hole (121) has an axial direction which is the same as the extension direction of the dragline (200) to which it is connected.

13. A method of forming a stay cable tower (1), the method comprising:

providing an initial barrel section, wherein the initial barrel section comprises a barrel body (11) and a fixing part (12), the barrel body (11) comprises a hollow cavity (111) and a side wall (112) enclosing to form the hollow cavity (111), a guide hole (113) communicated with the hollow cavity (111) is formed in the side wall (112), the fixing part (12) is arranged in the hollow cavity (111) and connected with the side wall (112), a fixing hole (121) is formed in the fixing part (12), and the wall surface enclosing to form the guide hole (113) surrounds an axis (121a) of the fixing hole (121);

providing a cable (200), wherein one end of the cable (200) passes through the guide hole (113) and the fixing hole (121) in sequence and is connected to the fixing component (12), and the other end of the cable (200) is connected with a foundation;

lifting the initial cylinder section to a preset height, and tensioning the inhaul cable (200) in the hollow cavity (111);

providing a sealing component (13), wherein the sealing component (13) comprises a communication hole (131) and is placed in the hollow cavity (111), the sealing component (13) surrounds the guide hole (113) and is connected with the side wall (112) in a sealing mode to form a tower barrel section (10), and meanwhile the sealing component (13) is sleeved on the guy cable (200) through the communication hole (131) and is connected with the guy cable (200) in a sealing mode to form the guy cable type tower (1).

14. A wind park comprising a stay cable tower (1) according to claim 11 or 12 or a stay cable tower (1) formed by the forming method according to claim 13.

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