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

Tower barrel section, stay cable type tower frame, forming method and wind generating set Download PDF

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Publication number
CN112081719A
CN112081719A CN201910510633.XA CN201910510633A CN112081719A CN 112081719 A CN112081719 A CN 112081719A CN 201910510633 A CN201910510633 A CN 201910510633A CN 112081719 A CN112081719 A CN 112081719A
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CN
China
Prior art keywords
tower
fixing
hollow cavity
cable
sealing
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Granted
Application number
CN201910510633.XA
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Chinese (zh)
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CN112081719B (en
Inventor
吉格拉
崔矞飞
薛英保
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Beijing Goldwind Science and Creation Windpower Equipment Co Ltd
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Beijing Goldwind Science and Creation Windpower Equipment Co Ltd
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Priority to CN201910510633.XA priority Critical patent/CN112081719B/en
Publication of CN112081719A publication Critical patent/CN112081719A/en
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Publication of CN112081719B publication Critical patent/CN112081719B/en
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    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F03MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
    • F03DWIND MOTORS
    • F03D13/00Assembly, mounting or commissioning of wind motors; Arrangements specially adapted for transporting wind motor components
    • F03D13/20Arrangements for mounting or supporting wind motors; Masts or towers for wind motors
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00Energy generation through renewable energy sources
    • Y02E10/70Wind energy
    • Y02E10/728Onshore wind turbines

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 barrel section, stay cable type tower frame, forming method and wind generating set
Technical Field
The invention relates to the technical field of wind power, in particular to a tower barrel section, a stay cable type tower frame, a forming method and a wind generating set.
Background
With the rapid development of the wind power industry, the high tower gradually becomes a development trend, the guyed tower can meet the requirement of the height increase of the tower and simultaneously can not greatly increase the overall weight of the tower, the excellent performance of the guyed tower can meet the market requirement, and the guyed tower has a very wide application prospect.
However, the existing guy cable tower is usually configured to weld the ear seat on the peripheral sidewall of the tower segment to connect the guy cable with the tower body, and although this configuration can satisfy the connection requirement between the guy cable and the tower body, the connection is difficult and the maintenance between the guy cable and the tower body is inconvenient, which is not favorable for the overall popularization of the guy cable tower.
Therefore, a new tower tube section, a guyed tower, a forming method and a wind turbine generator system are needed.
Disclosure of Invention
The embodiment of the invention provides a tower section, a stay cable type tower frame, a forming method and a wind generating set, which can meet the connection requirement between a stay cable and a tower frame body, are convenient for maintenance and are beneficial to comprehensive popularization of the stay cable type tower frame.
In one aspect, a tower segment is provided according to an embodiment of the present disclosure, including: 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 component is arranged in the hollow cavity and connected with the side wall, a fixing hole is formed in the fixing component, and the wall surface which forms the guide hole in a surrounding mode surrounds the axis of the fixing hole; and the sealing component is arranged in the hollow cavity and surrounds the guide hole, is connected with the side wall in a sealing mode and comprises a communication hole communicated with the guide hole and the hollow cavity.
According to an aspect of an embodiment of the present invention, the sealing member includes a rigid sealing member and a flexible sealing member connected to each other, the flexible sealing member surrounds the guide hole and is sealingly connected to the sidewall, the rigid sealing member is located on a side of the flexible sealing member away from the guide hole, and the communication hole penetrates the rigid sealing member and the flexible sealing member.
According to one aspect of the embodiment of the invention, the rigid sealing element is integrally in a stepped sleeve-shaped structure and is formed by splicing more than two sleeve sections along the circumferential direction of the rigid sealing element, and the two adjacent sleeve sections are detachably connected with each other.
According to one aspect of the embodiment of the invention, the flexible sealing element comprises a flexible sleeve and flanges which are arranged opposite to each other at two ends of the flexible sleeve in the axial direction of the flexible sleeve and are respectively connected with the flexible sleeve, wherein one flange is connected with the side wall, and the other flange is connected with the rigid sealing element.
According to an aspect of the embodiment of the invention, the fixing part comprises fixing pieces which are arranged in pairs and are spaced from each other in the circumferential direction of the tower body, an adapter piece is connected between each pair of the fixing pieces, the fixing hole penetrates through the adapter piece, and the guide hole and the fixing part are located between two fixing pieces of the same pair.
According to an aspect of the embodiment of the invention, the fixing piece is a strip-shaped structural body extending along the axial direction of the tower body and is provided with a protruding portion protruding towards the inside of the hollow cavity, the protruding portion is provided with an inclined surface, and the adapter piece is connected to the inclined surfaces of the two fixing pieces arranged in pairs.
According to an aspect of an embodiment of the present invention, the tower segment further includes a reinforcement member disposed in the hollow cavity and having a ring shape, and the reinforcement member is connected to the sidewall and extends along a circumferential direction of the tower body.
According to one aspect of the embodiment of the invention, the number of the reinforcing components is more than two, the reinforcing components are arranged at intervals in the axial direction of the tower body, the fixing component is located between two adjacent reinforcing components, one end of the fixing component is connected with one reinforcing component in the axial direction of the tower body, and the other end of the fixing component is connected with the other reinforcing component.
According to an aspect of the embodiment of the present invention, the reinforcing member is a closed ring body disposed coaxially with the tower body; or, the reinforcing part comprises more than two arc units which are sequentially arranged along the circumferential direction of the tower barrel body, and two adjacent arc units are mutually spliced or arranged at intervals.
According to an aspect of an embodiment of the present disclosure, the tower section further includes a maintenance platform disposed within the hollow cavity and coupled to the sidewall.
In another aspect, an embodiment of the present invention provides a guyed tower, including: the tower body comprises a plurality of tower cylinder sections which are arranged in a stacked mode, and every two adjacent tower cylinder sections are connected through an end flange, wherein at least one tower cylinder section adopts the tower cylinder section; one end of the inhaul cable sequentially penetrates through the guide hole, the communication hole and the fixing hole and is connected to the fixing part, and the other end of the inhaul cable is used for being connected with the foundation; wherein, the fixed part is connected with the inhaul cable in a sealing way.
According to an aspect of the embodiment 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, a forming method for forming a guyed tower is provided according to an embodiment of the present invention, the forming method includes:
providing an initial barrel section, wherein the initial barrel section comprises a barrel body and a fixing part, the barrel body comprises a hollow cavity and a side wall enclosing to form the hollow cavity, 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 enclosing to form the guide hole surrounds the axis of the fixing hole;
providing a guy cable, wherein one end of the guy cable sequentially passes through the guide hole and the fixing hole and is connected to the fixing part, and the other end of the guy cable is connected with the foundation;
lifting the initial cylinder section to a preset height, and tensioning the inhaul cable in the hollow cavity;
and providing a sealing part, wherein the sealing part comprises a communication hole and is placed in the hollow cavity, the sealing part surrounds the guide hole and is in sealing connection with the side wall to form a tower barrel section, and meanwhile, the sealing part is sleeved on the inhaul cable through the communication hole and is in sealing connection with the inhaul cable to form the inhaul cable type tower.
In another aspect, a wind turbine generator set is provided according to an embodiment of the present invention, which includes the guyed tower or the guyed tower formed by the above forming method.
According to 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, the tower cylinder section comprises the tower cylinder body, the fixing part and the sealing part, the stay cable can extend into the hollow cavity of the tower cylinder body through the guide hole in the side wall of the tower cylinder body and penetrates through the fixing hole in the fixing part to be connected with the fixing part, the connection between the stay cable and the tower cylinder section is realized, and the connection requirement between the stay cable and the tower cylinder body is further met. Meanwhile, the guy cable extends into the tower section and is fixed through the fixing part, so that the connection between the guy cable and the tower section and the maintenance of the guy cable and the tower section are more convenient. The sealing part is arranged in the hollow cavity and surrounds the guide hole, when the stay cable extends into the hollow cavity, the stay cable penetrates through the communication hole of the sealing part and then is connected with the fixing part, the sealing part can be respectively in sealing connection with the side wall and the stay cable, the sealing performance inside the hollow cavity can be guaranteed, and the use safety of the formed stay cable type tower and electrical elements in the wind generating set is further guaranteed.
Drawings
Features, advantages and technical effects of exemplary embodiments of the present invention will be described below with reference to the accompanying drawings.
FIG. 1 is a schematic structural view of a wind turbine generator system according to an embodiment of the present invention;
FIG. 2 is a schematic structural view of a guyed tower according to an embodiment of the present invention;
FIG. 3 is a schematic structural view of a tower section of an embodiment of the present invention;
FIG. 4 is a schematic cross-sectional view of a tower section in conjunction with a guy cable in accordance with an embodiment of the present invention;
FIG. 5 is a partial schematic view of a tower section in accordance with an embodiment of the present invention in conjunction with a guy cable;
FIG. 6 is a schematic structural view of a fixing member of the embodiment of the present invention;
FIG. 7 is a schematic structural view of a seal member of an embodiment of the present invention;
FIG. 8 is a top view of a rigid seal of an embodiment of the present invention;
FIG. 9 is a side view of a rigid seal of an embodiment of the present invention;
fig. 10 is a schematic flow chart of a molding method according to an embodiment of the present invention.
Wherein:
1-a guyed tower;
100-a tower body;
10-a column section;
11-a tower body; 111-hollow cavity; 112-a side wall; 113-a pilot hole; 114-mounting flange;
12-a stationary part; 121-fixing holes; 121 a-axis; 122-a fixing member; 122 a-a projection; 122 b-inclined plane; 123-an adaptor;
13-a sealing member; 131-a communication hole; 132-a rigid seal; 132 a-a first kit; 132 b-a second kit; 132 c-rib; 132 d-sleeve segment; 133-a flexible seal; 133 a-a flexible sleeve; 133 b-a flange;
14-a reinforcing component;
20-end flange;
200-a pull cable; 300-an anchor plate;
2-a tower foundation; 3-a cabin; 4-an impeller; 401-a hub; 402-a blade;
x-axial direction; y-circumferential direction.
In the drawings, like parts are provided with like reference numerals. The figures are not drawn to scale.
Detailed Description
Features and exemplary embodiments of various aspects of the present invention will be 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. It will be apparent, however, 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 merely intended to provide a better understanding of the present invention by illustrating examples of the present invention. In the drawings and the following description, at least some well-known structures and techniques have not been shown in detail in order to avoid unnecessarily obscuring the present invention; also, the dimensions of some of the structures may be exaggerated for clarity. Furthermore, the described features, structures, or characteristics may be combined in any suitable manner in one or more embodiments.
The following description is given with the directional terms as they are used in the drawings and is not intended to limit the specific structure of the tower section, the stayed tower, the forming method and the wind turbine generator set of the present invention. In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "mounted" and "connected" are to be interpreted broadly, e.g., as either a fixed connection, a removable connection, or an integral connection; can be directly connected or indirectly connected. The specific meaning of the above terms in the present invention can be understood as appropriate to those of ordinary skill in the art.
For a better understanding of the invention, a tower section, a guyed tower, a method of forming and a wind turbine generator set according to embodiments of the invention are described in detail below with reference to fig. 1 to 10.
Referring to fig. 1 and 2, fig. 1 shows a schematic structural diagram of a wind generating set according to an embodiment of the present invention, and fig. 2 shows a schematic structural diagram of a guyed tower 1 according to an embodiment of the present invention. The embodiment of the invention provides a wind generating set which mainly comprises a tower foundation 2, a guyed tower 1, a cabin 3, a generator and an impeller 4. The guyed tower 1 is connected to the tower foundation 2, the nacelle 3 is disposed on the top end of the guyed tower 1, and the generator is disposed on the nacelle 3. The impeller 4 comprises 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 wind acts on the blades 402, the whole impeller 4 and the rotating shaft of the generator are driven to rotate, and the power generation requirement of the wind generating set is further met.
As can be seen from the above description of the structure of the wind turbine generator system, the heavy equipment such as the nacelle 3, the generator, and the impeller 4 are all supported above the guyed tower 1, and when the wind turbine generator system is high in height or high in power, the wind turbine generator system has a higher requirement for the carrying capacity of the guyed tower 1.
Therefore, in order to better meet the above requirement, the embodiment of the present invention further provides a novel guy cable tower 1, where the guy cable tower 1 includes a tower body 100 and guy cables 200 connected to the tower body 100, and the guy cables 200 are reliably connected to the tower body 100 and are easy to install and maintain.
In some optional examples, the tower body 100 includes a plurality of tower sections 10 stacked on top of each other, each tower section 10 is provided with end flanges 20 at two ends of the tower section 10 in the axial direction X, and the end flanges 20 on two adjacent tower sections 10 are connected by a fastener. In order to meet the connection requirement between the whole tower body 100 and the corresponding guy cable 200, optionally, the embodiment of the present invention further provides a novel tower segment 10, and the tower segment 10 may be produced, sold, etc. as a separate component, and of course, may also be used for the guyed tower 1 of each of the above examples and be a part of the guyed tower 1.
Referring to fig. 3 to 5, fig. 3 is a schematic structural diagram of a tower segment 10 according to an embodiment of the present invention, fig. 4 is a schematic cross-sectional structural diagram of the tower segment 10 according to the embodiment of the present invention and a guy cable 200, and fig. 5 is a partial structural diagram of the tower segment 10 according to the embodiment of the present invention and the guy cable 200.
The novel tower segment 10 provided by the embodiment of the invention comprises a tower body 11, a fixing part 12 and a sealing part 13, wherein the tower body 11 comprises a hollow cavity 111 and a side wall 112 enclosing the hollow cavity 111, and a guide hole 113 communicated with the hollow cavity 111 is formed in the side wall 112. The fixing member 12 is disposed in the hollow cavity 111 and connected to the sidewall 112, a fixing hole 121 is disposed on the fixing member 12, and a wall surface enclosing the guide hole 113 surrounds an axis 121a of the fixing hole 121. The sealing member 13 is disposed in the hollow cavity 111 and surrounds the guide hole 113, and the sealing member 13 is hermetically connected to the sidewall 112 and includes a communication hole 131 communicating with the guide hole 113 and the hollow cavity 111.
When the tower segment 10 is applied to the wind turbine generator system of each embodiment, the guy cable 200 may extend into the cavity 111 through the guide hole 113 on the sidewall 112 of the tower body 11, and then pass through the fixing hole 121 on the fixing part 12 and be connected with the fixing part 12, so as to realize the connection between the guy cable 200 and the tower segment 10, and further meet the connection requirement between the guy cable 200 and the tower body 100. Meanwhile, since the guy cable 200 extends into the interior of the tower segment 10 and is fixed by the fixing member 12, the connection and maintenance of the guy cable 200 to the tower segment 10 are facilitated.
The sealing part 13 is correspondingly arranged in the hollow cavity 111 and surrounds the guide hole 113, when the stay cable 200 extends into the hollow cavity 111, the stay cable needs to pass through the communication hole 131 of the sealing part 13 and then be connected with the fixing part 12, the sealing part 13 can be respectively in sealing connection with the side wall 112 and the stay cable 200, the sealing performance inside the hollow cavity 111 can be ensured, and the use safety of the formed stay cable type tower 1 and electrical components in the wind turbine generator set can be further ensured.
In specific implementation, the number of the guide holes 113 formed in the tower section 10 may be determined according to the number of the guys 200, and may be selected to correspond to the number of the guys 200 one to one. In some optional examples, the number of the guide holes 113 may be multiple, the plurality of guide holes 113 may be arranged at intervals, optionally at intervals and uniformly, in the circumferential direction Y of the tower segment 10, each guide hole 113 may be circular, oval or polygonal, and each guide hole 113 may be correspondingly provided with one fixing part 12.
Referring to fig. 6, fig. 6 is a schematic structural diagram of the fixing component 12 according to the embodiment of the invention. As an optional embodiment, in order to facilitate better fixing of the guy cable 200, optionally, the fixing member 12 includes fixing pieces 122 arranged in pairs and spaced from each other in the circumferential direction Y of the tower body 11, an adaptor 123 is connected between each pair of fixing pieces 122, the fixing hole 121 penetrates through the adaptor 123, and the guide hole 113 and the fixing member 12 are located between two fixing pieces 122 of the same pair. Through the arrangement, the guy cable 200 entering from the guide hole 113 can be better connected to the fixing member 12 after passing through the sealing member 13, and meanwhile, the connection strength between the fixing member 12 and the side wall 112 of the tower body 11 can be ensured.
In some alternative examples, the fixing member 122 is a bar-shaped structural body extending along the axial direction X of the tower body 11 and has a protrusion 122a protruding towards the inside of the hollow cavity 111, the protrusion 122a has an inclined surface 122b, the adaptor 123 is connected to the inclined surfaces 122b of two fixing members 122 arranged in pair, and the pulling cable 200 is passed through the fixing hole 121 on the adaptor 123 and fixed on the adaptor 123 through the anchoring plate 300. Through the arrangement, the adaptor 123 can be obliquely arranged relative to the side wall 112 of the tower tube section 10, and the requirement for the inclination angle of the inhaul cable 200 can be better guaranteed. In specific implementation, the adaptor 123 may adopt a plate-shaped structure with a regular shape, for example, a polygonal plate-shaped structure such as a quadrangle, an octagon, etc., and a surface of the adaptor 123 away from the inclined surface 122b may be a flat surface, which is more favorable for matching with the anchoring plate 300.
Referring to fig. 7 to 9, fig. 7 is a schematic structural diagram of the sealing component 13 according to the embodiment of the present invention, fig. 8 is a top view of the rigid sealing member 132 according to the embodiment of the present invention, and fig. 9 is a side view of the rigid sealing member 132 according to the embodiment of the present invention.
In order to better satisfy the sealing effect of the sealing member 13 on the guide hole 113 and the cable 200, as an alternative embodiment, the sealing member 13 includes a rigid sealing member 132 and a flexible sealing member 133 connected to each other. The flexible seal 133 surrounds the guide hole 113 and is sealingly connected to 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 arrangement, the sealing component 13 can be fixedly connected with the stay cable 200 through the rigid sealing element 132, meanwhile, the flexible sealing element 133 is fixed through the rigid sealing element 132, namely, the sealing performance of the stay cable 200 can be ensured, and the correspondingly arranged flexible sealing element 133 is located between the rigid sealing element 132 and the side wall 112, so that when the stay cable type tower 1 is subjected to wind load and shakes, and the inclination angle of the stay cable 200 changes due to shaking, relative shaking between the stay cable 200 and the tower barrel body 11 can be relieved and released through the flexible sealing element 133, the stay cable 200 is adjusted to the optimal position, and the sealing performance inside the tower barrel body 11 can be ensured.
As an alternative embodiment, the rigid sealing member 132 is integrally formed in a stepped sleeve-like structure and is formed by splicing two or more sleeve segments 132d along its own circumference, and two adjacent sleeve segments 132d are detachably connected to each other. In one implementation, the rigid seal 132 may include a second sleeve member 132b and a first sleeve member 132a disposed on an upper surface of the second sleeve member 132b, the first sleeve member 132a having an outer diameter smaller than an outer diameter of the second sleeve member 132 b. Each sleeve segment 132d is formed by a part of the first sleeve 132a and a part of the second sleeve 132b, two adjacent sleeve segments 132d are connected to each other by ribs 132c arranged in pairs, one rib 132c of the ribs 132c arranged in pairs is connected to one sleeve segment 132d, and the other rib 132c is connected to the other sleeve segment 132 d. In specific implementation, the rib plates 132c arranged in pairs can be detachably connected with each other through fasteners, so that the detachable connection requirement of two adjacent sleeve segments 132d is met.
In a specific implementation, the rigid sealing member 132 may be formed by splicing two sleeve segments 132d in the circumferential direction thereof, and the two sleeve segments 132d jointly clamp and fix the cable 200 and are connected with the cable 200 in a sealing manner. The second sleeve 132b may be located between the first sleeve 132a and the flexible seal 133, and the rigid seal 132 may be removably connected to the flexible seal 133 by its second sleeve 132 b. In one embodiment, the rigid sealing element 132 may be made of metal or nylon.
As an alternative embodiment, the flexible sealing element 133 may include a flexible sleeve 133a and flanges 133b disposed opposite to each other at two ends of the flexible sleeve 133a in the axial direction and respectively connected to the flexible sleeve 133a, wherein one flange 133b is connected to the side wall 112 of the tower body 11, and the other flange 133b is connected to the rigid sealing element 132. The flexible sealing element 133 with the above structure can better satisfy the follow-up effect with the guy cable 200, and can satisfy the sealing connection requirement with the side wall 112 of the tower body 11 and the rigid sealing element 132.
In practice, to facilitate connection with the flange 133b of the flexible seal member 133, flange holes may optionally be provided in the rigid seal member 132 opposite to each other, and in particular, flange holes may be provided in the second sleeve member 132b of the flexible seal member 133 to facilitate detachable connection with one of the flanges 133b of the flexible seal member 133. Optionally, a mounting flange 114 may be further disposed on the side wall 112 of the tower body 11, the mounting flange 114 is matched with the other flange 133b of the flexible sealing member 133 in shape and is detachably connected to each other, and the mounting flange 114 may be disposed around the cable 200.
In order to better satisfy the sealing performance between the sealing component 13 and the guy cable 200 and between the sealing component and the side wall 112, optionally, a sealing colloid is disposed at a gap where the rigid sealing member 132 is connected with the flexible sealing member 133, and/or at a gap where the flexible sealing member 133 is 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 generator system can operate more safely and stably.
In some optional examples, the flexible sleeve 133a may be made of silicone cloth or a flexible material such as rubber. Meanwhile, in order to facilitate the overall replacement of the sealing component 13, optionally, the flexible sealing element 133 may also adopt a split structure, and the flexible sealing element is formed by splicing more than two segments of splicing units in the circumferential direction of the rigid sealing element 132, and may specifically adopt bonding and other modes to connect with each other.
Referring to fig. 1 to 9, as an alternative embodiment, the tower segment 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 the sidewall 112 and extends 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 segment 10 can be improved, but also the tensile stress generated by the guy cable 200 can be uniformly transmitted to the tower body 11.
As an alternative embodiment, the number of the reinforcing members 14 is two or more, and the reinforcing members 14 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. By providing two or more reinforcing members 14, the load resistance of the entire tower body 11 can be further improved. Meanwhile, the connection relation between the fixing component 12 and the reinforcing component 14 is limited, the capability of the fixing component 12 for resisting the tensile stress generated by the guy cable 200 can be further ensured, meanwhile, the acting force of the guy cable 200 on the fixing component 12 can be uniformly transmitted to the tower barrel body 11 through the reinforcing component 14, and the capability of the whole tower barrel section 10 for bearing wind load is further improved. In one embodiment, the fixing member 12 may be connected to two adjacent reinforcing members 14 by a pair of fixing members 122.
In particular implementations, the fixing member 12 may be directly connected to both the sidewall 112 and the reinforcing member 14, but in some other examples, the fixing member 12 may be indirectly connected to the sidewall 112 through the reinforcing member 14.
As an alternative embodiment, the reinforcing component 14 is a closed ring body disposed coaxially with the tower body 11, and by the above arrangement, the bearing capacity of the whole tower section 10 can be further optimized, and the installation and positioning of the reinforcing component 14 can be facilitated. Of course, in some other examples, the reinforcing member 14 may also be composed of more than two arc-shaped units sequentially arranged along the circumferential direction Y of the tower body 11, and two adjacent arc-shaped units are spliced or spaced from each other. Through the arrangement, the reinforcing effect on the tower body 11 and the connecting effect on the fixing component 12 can be also met.
In practical implementation, the tower tube section 10 provided in the above embodiments is applied to the guyed tower 1, and optionally, the axial direction X of the fixing hole 121 is the same as the extending direction of the guy cable 200. Through the arrangement, the guy cable type tower frame 1 can be optimized, the shearing force borne by the guy cable is reduced, and the requirement on the inclination angle of the guy cable 200 is met more easily.
In the tower segment 10 of the guy cable type tower 1 provided in each of the above embodiments of the present invention, only one of the tower segments 10 may adopt the novel tower segment 10 provided in each of the above embodiments of fig. 3 to 9, and of course, two or more of the tower segments 10 may also adopt the novel sleeve segment 132d according to the requirement, which can meet the connection requirement of the guy cable 200 in the guy cable type tower 1 with different structural forms.
In order to further facilitate the installation and maintenance of the guy cable 200, optionally, the tower section 10 further includes a maintenance platform (not shown) disposed in the hollow cavity 111 and interconnected with the sidewall 112 of the tower body 11, and by providing the maintenance platform, the support can be provided for an operator, and the connection and maintenance between the guy cable 200 and the sealing member 13 and the fixing member 12 in the tower section 10 can be facilitated.
To sum up, the tower segment 10 provided by the embodiment of the present invention includes the tower body 11, the fixing member 12 and the sealing member 13, so that the guy cable 200 can extend into the cavity 111 through the guide hole 113 on the sidewall 112 of the tower body 11 and pass through the fixing hole 121 on the fixing member 12 to be connected with the fixing member 12, thereby meeting the connection requirement between the guy cable 200 and the tower segment 10, and further meeting the connection requirement between the guy cable 200 and the tower body 100.
Meanwhile, since the guy cable 200 extends into the tower segment 10 and is fixed by the fixing component 12, the operator can connect the guy cable 200 with the tower segment 10 and maintain the two in the tower segment 11, and the operation is more convenient. The sealing component 13 correspondingly arranged can ensure the sealing performance inside the hollow cavity 111, thereby ensuring the use safety of the molded stay cable type tower frame 1 and the electrical elements in the wind generating set.
The guyed tower frame 1 and the wind generating set provided by the embodiment of the invention comprise the tower cylinder sections 10 of the embodiments, so that the guyed tower frame 1 and the wind generating set using the guyed tower frame 1 can realize connection and maintenance between the tower frame body 100 and the guyed cable 200 in the tower frame body 100, and can ensure the sealing performance of the guyed tower frame 1 and the wind generating set, thereby not only having better safety performance, but also being convenient for construction and maintenance.
Referring to fig. 10, fig. 10 is a schematic flow chart illustrating a forming method according to an embodiment of the present invention, and as an alternative implementation, the embodiment of the present invention further provides a forming method for forming the guyed tower 1, which includes the following steps:
s100, providing an initial cylinder section, wherein the initial cylinder section comprises a cylinder body 11 and a fixing component 12. The tower 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 a wall surface enclosing to form the guide hole 113 surrounds an axis 121a of the fixing hole 121;
s200, providing a guy cable 200, wherein one end of the guy cable 200 sequentially passes through the guide hole 113 and the fixing hole 121 and is connected to the fixing part 12, and the other end of the guy cable 200 is connected with a foundation, wherein the foundation can be a tower foundation 2 or a guy cable ground anchor foundation;
s300, lifting the initial cylinder section to a preset height, and tensioning the inhaul cable 200 in the hollow cavity 111;
s400, 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 in sealing connection with the side wall 112 to form the tower section 10, and meanwhile, the sealing component 13 is sleeved on the inhaul cable 200 through the communication hole 131 and is in sealing connection with the inhaul cable 200 to form the inhaul cable type tower 1.
In the forming method, the structural forms of the tower body 100, the fixing part 12 and the sealing part 13 included in the tower section 10 of the above embodiments disclosed in fig. 3 to 9 may be the structural forms of the tower body 100, the fixing part 12 and the sealing part 13 included in the tower section 10 of the above embodiments, and thus, a detailed description thereof is omitted. In the step of providing the sealing member 13, the gaps between the sealing member 13 and the guy cable 200 and the side wall 112 of the tower body 11 may be further sealed with a sealing compound.
The forming method provided by each embodiment of the present invention can meet the requirement of connection between the cable 200 and the corresponding tower tube section 10 of the guyed tower 1, and the formed guyed tower 1 has reliable sealing performance and is convenient for construction and maintenance.
In addition, when the guy cable tower 1 or the guy cable tower 1 formed by the forming method according to the above embodiments of the present invention needs maintenance, it may be checked whether the guy cable 200 is loose on the maintenance platform inside the tower segment 10. Correspondingly, the rigid sealing element 132 and the flexible sealing element 133 of the sealing component 13 are disassembled, and whether the position of the stay cable 200 penetrating through the tower body 11 is abraded or not can be checked, so that the purpose that both ends of the stay cable 200 can be maintained is achieved, the risk of single-side maintenance of the stay cable 200 is reduced, the stay cable has the beneficial effects of easiness in forming and maintenance, and easiness in popularization.
While the invention has been described with reference to a preferred embodiment, various modifications may be made and equivalents may be substituted for elements thereof without departing from the scope of the invention. In particular, the technical features mentioned in the embodiments can be combined in any way as long as there is no structural conflict. It is intended that the invention not be limited to the particular embodiments disclosed, but that the invention will include all embodiments falling within the scope of the appended 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.
CN201910510633.XA 2019-06-13 2019-06-13 Tower barrel section, stay cable type tower frame, forming method and wind generating set Active CN112081719B (en)

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Publication number Priority date Publication date Assignee Title
CN202132187U (en) * 2011-07-14 2012-02-01 华锐风电科技(集团)股份有限公司 Guyed tower structure of wind generating set
WO2014033332A1 (en) * 2012-09-03 2014-03-06 Philipp Wagner Tower construction of a wind turbine and method for stabilizing a tower construction of a wind turbine
CN104619916A (en) * 2012-04-05 2015-05-13 索列丹斯-弗莱西奈公司 Seal for cable anchor device of a cable construction
CN204609430U (en) * 2015-03-17 2015-09-02 哈尔滨工业大学 Emergent repairing tower tractive hangs connection box
CA2997643A1 (en) * 2015-09-11 2017-03-16 Vestas Wind Systems A/S A tower section for a tethered wind turbine tower
CN109385961A (en) * 2018-10-30 2019-02-26 法尔胜泓昇集团有限公司 Parallel steel wire suspension cable is quickly repaired with emergency cable system

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN202132187U (en) * 2011-07-14 2012-02-01 华锐风电科技(集团)股份有限公司 Guyed tower structure of wind generating set
CN104619916A (en) * 2012-04-05 2015-05-13 索列丹斯-弗莱西奈公司 Seal for cable anchor device of a cable construction
WO2014033332A1 (en) * 2012-09-03 2014-03-06 Philipp Wagner Tower construction of a wind turbine and method for stabilizing a tower construction of a wind turbine
CN204609430U (en) * 2015-03-17 2015-09-02 哈尔滨工业大学 Emergent repairing tower tractive hangs connection box
CA2997643A1 (en) * 2015-09-11 2017-03-16 Vestas Wind Systems A/S A tower section for a tethered wind turbine tower
CN108138751A (en) * 2015-09-11 2018-06-08 维斯塔斯风力系统有限公司 For tying the tower segments of formula wind turbine tower
CN109385961A (en) * 2018-10-30 2019-02-26 法尔胜泓昇集团有限公司 Parallel steel wire suspension cable is quickly repaired with emergency cable system

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