CN111720269B - Anchoring device and tower - Google Patents
Anchoring device and tower Download PDFInfo
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- CN111720269B CN111720269B CN201910213624.4A CN201910213624A CN111720269B CN 111720269 B CN111720269 B CN 111720269B CN 201910213624 A CN201910213624 A CN 201910213624A CN 111720269 B CN111720269 B CN 111720269B
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- tower
- anchoring device
- cable
- connection
- axial direction
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
- F03D—WIND MOTORS
- F03D13/00—Assembly, mounting or commissioning of wind motors; Arrangements specially adapted for transporting wind motor components
- F03D13/20—Arrangements for mounting or supporting wind motors; Masts or towers for wind motors
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- Y—GENERAL 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/70—Wind energy
- Y02E10/72—Wind turbines with rotation axis in wind direction
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- Y—GENERAL 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
Abstract
The invention relates to an anchoring device and a tower, wherein the anchoring device is used for connecting a guy cable and a tower body and comprises an annular body, and the annular body comprises a base body and a connecting body which are sequentially arranged along the radial direction of the annular body; the base body is provided with a plurality of mounting holes which penetrate through the annular body in the axial direction, the mounting holes are arranged at intervals along the circumferential direction of the annular body, and the connecting body is connected with the inhaul cable through a connecting position; the connector is provided with a plurality of connection positions which are distributed at intervals along the circumferential direction so as to be connected with the inhaul cable. The embodiment of the invention provides an anchoring device and a tower, wherein the anchoring device can be used for connecting a stay cable and a tower body, the length of a welding line and the fatigue strength of the tower body cannot be influenced, the processing and the manufacturing of each tower cylinder section of the tower body cannot be influenced, the cost is low, and the assembly efficiency of a wind generating set can be ensured.
Description
Technical Field
The invention relates to the technical field of wind power, in particular to an anchoring device and a tower.
Background
In recent years, the application of guyed towers to large wind turbine generators has become a technological trend. Among the prior art, the connected mode of cable and pylon body is mostly the lug plate of direct weld on the lateral wall of pylon body, then connects the cable at the lug plate to realize being connected between cable and the pylon body, another kind of mode is, prepares into T shape flange with the end flange at each tower section both ends of pylon body, then is connected to the outer fringe of T shape flange with the cable, in order to realize being connected between cable and the pylon body.
Although the two connection modes can meet the connection requirement between the guy cable and the tower body, corresponding defects exist, and the two connection modes are specifically as follows: the welded lug plates on the side walls of the tower body need large outline adaptation to the pre-tightening force from the stay cables, the weld joints with enough length need to be considered in design to connect the lug plates, on one hand, the arrangement is not flexible enough, on the other hand, the lug plates are directly connected to the tower body, fatigue is caused, end flanges of tower sections are arranged into T-shaped flanges, the processing difficulty of the tower sections is increased, the manufacturing cost is high, and the tower sections are not easy to level when the tower is formed, so that the assembly efficiency of a wind generating set is not facilitated.
Therefore, there is a need for an anchoring device and a new tower.
Disclosure of Invention
The embodiment of the invention provides an anchoring device and a tower, wherein the anchoring device can be used for connecting a stay cable and a tower body, the length of a welding line and the fatigue strength of the tower body cannot be influenced, the processing and the manufacturing of each tower cylinder section of the tower body cannot be influenced, the cost is low, and the assembly efficiency of a wind generating set can be ensured.
In one aspect, according to an embodiment of the present invention, there is provided an anchoring device for connecting a cable and a tower body, the anchoring device including a ring-shaped body including a base body and a connecting body arranged one after another in a radial direction of the ring-shaped body; the base body is provided with a plurality of mounting holes which penetrate through the annular body in the axial direction, the mounting holes are arranged at intervals along the circumferential direction of the annular body, and the connecting body is connected with the inhaul cable through a connecting position; the connector is provided with a plurality of connection positions which are distributed at intervals along the circumferential direction so as to be connected with the inhaul cable.
According to an aspect of the embodiment of the present invention, at least one surface of the connecting body in the axial direction is a slope, and the connecting body has a cross-sectional dimension gradually decreasing from the base body toward a direction away from the base body in the radial direction.
According to one aspect of an embodiment of the invention, the connection site is a connection lug having a rotation axis.
According to an aspect of an embodiment of the invention, the connection site is a connection hole that penetrates the connection body in the axial direction.
According to an aspect of an embodiment of the invention, a protective sleeve is detachably connected to the inside of the at least one connection site, the protective sleeve extending in an axial direction.
According to an aspect of the embodiment of the present invention, in the axial direction, the thickness of the connection body is equal to or greater than the thickness of the base body; alternatively, the connecting body includes a base portion connected to the base body and a thickened portion provided on the base portion in a stacked manner in the axial direction, the connecting hole is provided in the thickened portion, and the sum of the thicknesses of the thickened portion and the base portion is larger than the thickness of the base body in the axial direction.
According to an aspect of the embodiment of the present invention, the plurality of connection bits are divided into more than two groups of connection bits arranged at intervals in the radial direction, and the connection bits included in each group of connection bits are located on the same reference circle and arranged at intervals in the circumferential direction.
According to an aspect of the embodiment of the present invention, the annular body further includes a stopper disposed opposite to the connecting body in a radial direction and connected to the base, and the stopper at least partially protrudes from the base in an axial direction.
According to one aspect of the embodiment of the invention, the spacing body is a closed ring body extending along the circumferential direction; or, the spacing body includes a plurality of spacing monomers that encircle the axis interval setting of cyclic annular body jointly and be connected with the base member respectively, and every spacing monomer is at least one axial one end protrusion in the base member.
According to an aspect of an embodiment of the present invention, the connecting body is a closed ring body extending along the circumferential direction; or the connecting body comprises a plurality of connecting monomers which are arranged at intervals around the axis of the annular body and are respectively connected with the base body, and each connecting monomer is provided with at least one connecting position.
According to an aspect of an embodiment of the present invention, the annular body includes a plurality of arc-shaped single bodies, which are sequentially arranged in a circumferential direction and are connected to each other.
In another aspect, a tower is provided according to an embodiment of the present invention, and is connected to a wind turbine foundation, where the tower includes: the tower body comprises a plurality of tower cylinder sections which are stacked mutually, and end flanges are respectively arranged at two ends of each tower cylinder section in the stacking direction; in the anchoring device, the anchoring device is arranged between at least one group of two adjacent tower cylinder sections, the anchoring device is connected with the end flanges of the adjacent tower cylinder sections through a plurality of mounting holes, and the connecting body at least partially protrudes out of the tower body in the radial direction; the cable group, cable group include a plurality of cable that set up along the mutual interval of circumference, and the one end and the anchor's of every cable are connected, and the other end is connected with fan basis and/or cable basis.
According to another aspect of the embodiment of the present invention, an anchoring device is disposed between at least two adjacent sets of two tower tube sections, and the axial direction and the stacking direction of each annular body are parallel to each other; the tower further comprises a reinforcing cable group, the reinforcing cable group is arranged between every two adjacent anchoring devices and comprises a plurality of reinforcing cables which extend along the axial direction and are arranged at intervals along the circumferential direction, the outer circumferential surface of the tower barrel section, opposite to the reinforcing cables, of each reinforcing cable in the radial direction is provided with an interval, one end of each reinforcing cable is connected with one of the two adjacent anchoring devices, and the other end of each reinforcing cable is connected with the other one of the two adjacent anchoring devices.
According to the anchoring device and the tower provided by the embodiment of the invention, the anchoring device is used for connecting the guy cable and the tower barrel section, the anchoring device comprises an annular body and a connecting body, the annular body comprises a base body and the connecting body which are sequentially arranged along the radial direction of the annular body, the base body is provided with a plurality of mounting holes which penetrate along the axial direction of the annular body, the mounting holes are arranged at intervals along the circumferential direction of the annular body so as to be connected with the tower barrel section, and the connecting body is provided with a plurality of connecting positions which are distributed at intervals along the circumferential direction so as to be connected with the guy cable. That is, can realize being connected between cable and the pylon body through anchor, need not to weld otic placode isotructure on the pylon, and need not to change the end flange structure of each tower section of section, can not lead to the fact the damage to pylon body itself, low cost, easily manufacturing can also further guarantee the fatigue strength of pylon body on the basis of satisfying the connection requirement between pylon and the cable to improve wind generating set's packaging efficiency.
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 illustration of a tower and wind turbine foundation according to an embodiment of the present invention;
FIG. 2 is a schematic structural view of an anchoring device according to a first embodiment of the present invention;
FIG. 3 is a schematic view of the engagement of the anchoring device of the first embodiment of the present invention with the end flange of a tower section;
FIG. 4 is a schematic structural view of an anchoring device according to a second embodiment of the present invention;
FIG. 5 is a schematic structural view of an anchoring device according to a third embodiment of the present invention;
FIG. 6 is a longitudinal cross-sectional view of an anchoring device in accordance with a fourth embodiment of the present invention;
FIG. 7 is a schematic structural view of an anchoring device according to a fifth embodiment of the present invention;
FIG. 8 is a schematic structural view of an anchoring device in accordance with a sixth embodiment of the present invention;
FIG. 9 is a schematic structural view of an anchoring device in accordance with a seventh embodiment of the present invention;
FIG. 10 is a schematic view of the engagement of the anchor shown in FIG. 9 with an end flange of a tower section;
FIG. 11 is a schematic view of the engagement of the anchor shown in FIG. 9 with a tower section;
fig. 12 is a schematic structural view of an anchoring device of an eighth embodiment of the present invention;
FIG. 13 is a schematic structural view of an anchoring device of a ninth embodiment of the present invention;
fig. 14 is a schematic structural view of an anchoring device of a tenth embodiment of the present invention;
FIG. 15 is a partial schematic view of an anchor device of an eleventh embodiment of the present invention engaged with a cable;
FIG. 16 is a schematic structural view of a tower according to another embodiment of the present invention;
FIG. 17 is a schematic view of the engagement of a reinforcing cable with an anchoring device in accordance with an embodiment of the present invention;
FIG. 18 is a schematic illustration of the engagement of a reinforcing cord with an anchoring device in accordance with another embodiment of the present invention;
FIG. 19 is a partial schematic view of a reinforcing cord according to one embodiment of the present invention;
FIG. 20 is a partial schematic view of a reinforcing cord according to another embodiment of the present invention.
Wherein:
1-a tower; 2-a fan foundation;
x-circumferential direction; y-axial direction; z-radial;
100-an anchoring device;
10-a ring-shaped body;
10 a-an arcuate monomer;
11-a substrate; 111-mounting holes;
12-a linker; 12 a-a linking monomer; 121-connect bit; 1211-shaft; 122-a base portion; 123-a thickened portion; 124-inclined plane;
13-a protective jacket;
14-a spacing body; 14 a-spacing monomer;
15-an adaptor;
200-a cable group; 201-a pull cable; 201 a-a first collar;
300-reinforcing cable group; 301-a reinforcing cord; 301 a-a second collar;
400-a tower body; 400 a-a column section; 401-a barrel; 402-end flange;
500-a retaining member; 501-locking a nut; 502-arcuate locking plugs;
600-connecting sleeves;
700-rigging turnbuckle.
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 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 will be given with the directional terms as they are used in the drawings, and not intended to limit the specific structure of the tower and the anchoring device 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, the anchoring device and the tower according to an embodiment of the invention will be described in detail below with reference to fig. 1 to 20.
Referring to fig. 1, fig. 1 shows a schematic diagram of a tower and a wind turbine foundation according to an embodiment of the present invention, and a wind turbine generator set mainly includes a wind turbine foundation 2, a tower 1, a nacelle, a generator, and an impeller, where the tower 1 is connected to the wind turbine foundation 2, the nacelle is disposed at the top end of the tower 1, and the generator is disposed in the nacelle. The impeller comprises a hub and a plurality of blades connected to the hub, and the impeller is connected with a rotating shaft of the generator through the hub. When wind power acts on the blades, the whole impeller 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 known from the structural introduction of the wind turbine generator system, heavy equipment such as a nacelle, a generator, an impeller and the like are supported above the tower 1, when the wind turbine generator system is high in height or high in power, the heavy equipment has a higher requirement on the bearing capacity of the tower 1, in order to better meet the requirement, an embodiment of the invention further provides a novel tower 1, the tower 1 comprises a tower body 400 and a guy cable group 200, the tower body 400 comprises a plurality of tower sections 400a which are stacked one another, each tower section 400a comprises a cylinder 401 and end flanges 402 which are respectively arranged at two ends of the cylinder 401 in the stacking direction, and the end flanges 402 and the cylinder 401 can be fixedly connected in a welding manner and the like. In specific implementation, the whole tower 1 may be a steel tower, and each tower segment 400a and the cylinder 401 of each tower segment 400a may be made of steel material.
The guy cable group 200 comprises a plurality of guys 201 which are arranged around the periphery of the tower body 400 at intervals, in order to better ensure the connection between the guy cable group 200 and the tower body 400, the tower 1 provided by the embodiment of the invention further comprises an anchoring device 100, the anchoring device 100 is arranged between at least one group of two adjacent tower sections 400a, the anchoring device 100 is connected with an end flange 402 of the tower section 400a which is arranged adjacent to the anchoring device 100, one end of each guy cable 201 of the guy cable group 200 is connected with the anchoring device 100, and the other end of each guy cable 201 is connected with the fan foundation 2. It is understood that, in some examples, the other ends of the plurality of guys 201 are not limited to be connected with the wind turbine foundation 2, and a separate guy foundation may be provided for being connected with the other ends of the plurality of guys 201. Of course, as some optional embodiments, several of the guy cables 201 are connected to the wind turbine foundation 2, and the rest are connected to the guy cable foundation, which may be set as required.
A group of two tower segments 400a disposed adjacently means that in the stacking direction of the plurality of tower segments 400a, two tower segments 400a disposed adjacently are grouped together, for example, four tower segments 400a are illustrated in fig. 1, and three groups of two tower segments 400a disposed adjacently may be included.
Referring to fig. 2 and 3, fig. 2 is a schematic structural view of the anchoring device 100 according to the first embodiment of the present invention, and fig. 3 is a schematic view of the anchoring device 100 according to the first embodiment of the present invention in cooperation with the end flange 402 of the tower segment 400 a. For better connection with the tower body 400 and the guy cable 201, the anchoring device 100 provided by the embodiment of the present invention optionally includes a ring-shaped body 10, wherein the ring-shaped body 10 includes a base 11 and a connecting body 12 which are sequentially arranged along the radial direction Z of the ring-shaped body 10. The base 11 has a plurality of mounting holes 111 penetrating in the axial direction Y of the annular body 10, the plurality of mounting holes 111 are arranged at intervals in the circumferential direction X of the annular body 10, and the connecting body 12 is provided with a plurality of connecting positions 121 distributed at intervals in the circumferential direction X.
With continued reference to fig. 1 to 3, when the anchoring device 100 is applied to the tower 1 of each of the above embodiments, the base body 11 of the anchoring device 100 and the end flange 402 of the tower body 400 are stacked on each other along the axial direction Y of the base body 11, and the plurality of mounting holes 111 on the base body 11 are disposed opposite to the flange holes on the end flange 402 of the adjacent tower barrel section 400a and are connected to each other by fasteners such as bolts. The linking body 12 of the anchoring device 100 protrudes from the tower body 400 in the radial direction Z of the ring body 10 to be connected with the corresponding guy cable 201 through a plurality of connection sites 121 on the linking body 12.
The anchoring device 100 provided by the embodiment of the invention can realize the connection between the guy cable 201 and the tower body 400, does not need to weld structures such as lug plates on the tower 1, does not need to change the end flange 402 structure of each tower section 400a of the tower 1, does not damage the tower body 400, has low cost and easy processing and manufacturing, can further ensure the fatigue strength of the tower body 400 on the basis of meeting the connection requirement between the tower body 400 and the guy cable 201, and improves the assembly efficiency of the wind generating set.
In specific implementation, both the base 11 and the connecting body 12 may be a closed ring structure extending along the circumferential direction X of the ring body 10, and may be an integral structure for convenience of processing.
In order to facilitate connection with the cable 201, as an alternative embodiment, the anchoring device 100 according to this embodiment may have a connection position 121 that is a connection hole that penetrates the connection body 12 in the axial direction Y, and the connection hole may be a circular hole, an elliptical hole, or a polygonal hole. One end of the pulling cable 201, which is connected with the connecting portion 121, may be formed with a first sleeve, and the pulling cable 201 is sleeved in the connecting hole through the first sleeve to be connected with the anchoring device 100. The connection position 121 of the embodiment of the present invention adopts a connection hole form, which is easy to process, and only an opening with a corresponding size needs to be formed at a preset position of the connection body 12.
When the connection sites 121 are in the form of connection holes, as an alternative embodiment, a protective sleeve 13 is detachably connected inside at least one connection site 121, the protective sleeve 13 extends along the axial direction Y, and the shape of the protective sleeve 13 matches the shape of the connection sites 121. The protective sleeve 13 and the connection position 121 may be connected to each other in an interference fit manner, of course, the protective sleeve 13 and the connection position may also be connected to each other in a threaded connection manner, and the protective sleeve 13 may be a copper sleeve. Through setting up lag 13, can enclose to close the lateral wall that forms connection position 121 to connector 12 and protect, avoid connector 12 to be worn and torn, improve connector 12's bearing capacity, and can also avoid connector 12 to be broken on the radial Z of cyclic annular body 10, influence wind generating set's safety.
When the protective sleeve 13 is worn, the anchor device 100 can be reused by replacing a new protective sleeve 13 without replacing the whole anchor device 100, so that the service life of the anchor device 100 is prolonged, and the maintenance cost of the tower 1 is saved.
In practice, a protective sleeve 13 may be disposed inside each connection position 121, and further, a flange may be disposed on the periphery of the protective sleeve 13, so that the flange abuts against the surface of the anchoring device 100 away from the blower base 2 to limit the protective sleeve 13 from being detached from the corresponding connection position 121.
Referring to fig. 4, fig. 4 is a schematic structural diagram of an anchoring device 100 according to a second embodiment of the present invention. As an alternative embodiment, the thickness of the connecting body 12 is greater than or equal to the thickness of the base body 11 in the axial direction Y of the annular body 10. Since the connecting body 12 is provided with the connecting position 121 which needs to be connected with the cable 201, the connecting body 12 needs to resist the tensile stress from the cable 201, and by limiting the thickness of the connecting body 12 to be equal to or greater than the thickness of the base body 11, the connection between the anchor device 100 and the tower body 400 can be realized, and the capability of the anchor device 100 to resist the tensile stress generated by the cable 201 can be improved.
Referring to fig. 5, fig. 5 shows a structural schematic view of the anchoring device 100 according to the third embodiment of the present invention, and it can be understood that, by defining the thickness of the connecting body 12 to be greater than the thickness of the base body 11 in the axial direction Y as a whole, it is only an alternative way to improve the resistance of the anchoring device 100 to the tensile stress of the cable 201, and in some other examples, the partial structural thickness of the connecting body 12 may be greater than the thickness of the base body 11. For example, as shown in fig. 5, in some alternative examples, the connecting body 12 includes a base portion 122 connected to the base 11 and a thickened portion 123 stacked on the base portion 122 in the axial direction Y, the connecting portion 121 is disposed on the thickened portion 123, and the sum of the thicknesses of the thickened portion 123 and the base portion 122 is greater than the thickness of the base 11 in the axial direction Y. When the connection site 121 is in the form of a connection hole, the connection hole may extend through the base portion 122 and the thickened portion 123 in the axial direction Y. The exemplary form of the connector 12 also provides cost savings in meeting the strength requirements of the anchor 100, reduces the weight of the anchor 100, and facilitates installation of the anchor 100.
In specific implementation, no matter the connection body 12 adopts the thickening form of any of the above embodiments, the thicker part of the connection body 12 compared with the base body 11 may protrude out of the base body 11 at one end in the axial direction Y of the annular body 10, certainly, both ends in the axial direction Y of the annular body 10 may protrude out of the base body 11, when both ends protrude out of the base body 11, the heights of the protruding parts at both ends may be the same, and certainly, may be different, as long as the connection requirement with the cable 201 can be satisfied, and it is all possible to ensure the use strength of the anchoring device 100.
Referring to fig. 6, fig. 6 is a longitudinal sectional view of an anchoring device 100 according to a fourth embodiment of the present invention, wherein as an alternative embodiment, at least one surface of the connecting body 12 in the axial direction Y of the annular body 10 is a bevel 124. And the connecting body 12 has a gradually decreasing cross-sectional dimension starting from the base body 11 in a direction away from the base body 11 along the radial direction Z of the annular body 10. Through the arrangement, rain and snow falling into the anchoring device 100 can be timely discharged through the inclined plane 124 when the tower frame 1 is in service, so that the connecting body 12 is prevented from being corroded due to the fact that the rain and snow stay on the connecting body 12 for too long time, and the service life of the anchoring device 100 is further prolonged.
Referring to fig. 7, fig. 7 is a schematic structural view illustrating an anchoring device 100 according to a fifth embodiment of the present invention, and it can be understood that the above embodiments limit the connecting body 12 to a closed loop structure extending along the axial direction Y of the annular body 10, which is only an alternative embodiment. In some other examples, as shown in fig. 7, the connection body 12 of the above embodiments may further include a plurality of connection units 12a disposed at intervals around the axis of the annular body 10 and respectively connected to the base 11, and each connection unit 12a is provided with at least one connection site 121. This kind of mode of setting can be better be applicable to the less tower 1 of cable 201 quantity, can further alleviate anchor 100's weight on satisfying the cable 201 and the tower body 400 requirement of being connected basis to reduce its cost, when concrete implementation, the quantity of connecting monomer 12a can be according to the quantity of the cable 201 that is connected of the quantity of the position 121 and treating to connect and set for can.
Referring to fig. 8 to 11, fig. 8 is a schematic structural view of an anchor device 100 according to a sixth embodiment of the present disclosure, fig. 9 is a schematic structural view of an anchor device 100 according to a seventh embodiment of the present disclosure, fig. 10 is a schematic structural view of the anchor device 100 shown in fig. 9 and an end flange 402 of a tower segment 400a, and fig. 11 is a schematic structural view of the anchor device 100 shown in fig. 9 and the tower segment 400 a.
As an alternative implementation manner, the annular body 10 of the anchoring device 100 of the above embodiments further includes a limiting body 14, the limiting body 14 is disposed opposite to the connecting body 12 in the radial direction Z of the annular body 10 and is connected to the base body 11, and the limiting body 14 at least partially protrudes from the base body 11 in the axial direction Y of the annular body 10. Through the arrangement, when the anchoring device 100 is connected with the tower body 400, the anchoring device can be connected with the end flange 402 of the corresponding tower cylinder section 400a through the mounting hole 111 on the base body 11, and the limiting body 14 at least partially protrudes out of the base body 11 in the axial direction Y of the annular body 10, so that the limiting body 14 can abut against the inner surface of the corresponding end flange 402, when the cable 201 pulls the anchoring device 100, the limiting body 14 can limit the anchoring device 100 to be pulled by the cable 201 to deviate from the preset position on the whole in the radial direction Z of the annular body 10, the anchoring device 100 is prevented from being separated from the end flange 402 of the tower cylinder section 400a, and the reliability of connection between the anchoring device 100 and the tower body 400 is further ensured.
With reference to fig. 8 to 11, in some other examples, the limiting body 14 may include a plurality of limiting units 14a disposed around the axis of the annular body 10 at intervals and connected to the base 11 respectively, and at least one end of each limiting unit 14a in the axial direction Y protrudes from the base 11, or both ends of each limiting unit 14a may protrude from the base 11. This arrangement also ensures the reliability of the connection between the anchor 100 and the end flange 402 of the corresponding tower section 400 of the tower body 400, while reducing the weight and cost of the anchor 100. In this embodiment, when the connection body 12 also includes a plurality of connection single units 12a that are disposed at intervals around the axis of the annular body 10 and are respectively connected to the base 11, the number of the connection single units 12a may be the same as the number of the spacing single units 14a, and the connection single units may be disposed in a one-to-one correspondence manner in the radial direction Z of the annular body 10, which not only satisfies the connection reliability between the tension and the tower body 400, but also optimizes the structural form of the anchor device 100.
Referring to fig. 12, fig. 12 is a schematic structural diagram illustrating an anchoring device 100 according to an eighth embodiment of the present invention, and in practical implementation, the position-limiting body 14 is not limited to the above structural form, and in some alternative examples, the position-limiting body 14 may also be a closed ring body extending along the circumferential direction X of the annular body 10. This kind of arrangement can also make anchor 100's atress more even on the basis of the reliability of the connection between assurance anchor 100 and the pylon body 400, improves its life.
Referring to fig. 13, fig. 13 is a schematic structural diagram of an anchoring device 100 according to a ninth embodiment of the present invention. As an optional implementation manner, the number of the connection sites 121 on the anchoring device 100 provided in each of the above embodiments of the present invention may be determined according to the number of the guy wires 201, the number of the connection sites 121 on each anchoring device 100 may be greater than or equal to the number of the guy wires 201, the connection sites 121 are divided into two or more groups of connection sites spaced along the radial direction Z of the annular body 10, and the connection sites 121 included in each group of connection sites are spaced along the circumferential direction X of the annular body 10 and may be uniformly distributed. Further, the same set of connecting sites 121 are located on the same pitch circle, so that the bearing capacity of the tower section 400a is more uniform. The linking bits 121 in different linking bit groups may be arranged in a one-to-one correspondence in the radial direction Z of the annular body 10 as shown in fig. 12, and of course, may be arranged in a staggered manner.
The plurality of cables 201 are in one-to-one correspondence with and connected to some or all of the connection bits 121 of at least one group of connection bit groups. By arranging the plurality of connecting positions 121 in the above manner, the connecting positions of the guy cables 201 on the anchoring device 100 can be adjusted as required, and the inclination angles of the guy cables 201 can be changed to adjust the overall bearing capacity and floor area of the tower 1.
Referring to fig. 14, fig. 14 is a schematic structural diagram of an anchoring device 100 according to a tenth embodiment of the present invention. As an alternative embodiment, the annular body 10 includes a plurality of arc-shaped single bodies 10a, and the plurality of arc-shaped single bodies 10a are sequentially arranged along the circumferential direction X and connected to each other. Through the arrangement, the anchoring device 100 can be transported to a preset position and then the arc-shaped single bodies 10a are spliced with each other, so that the size limitation of the anchoring device 100 in the transportation process can be better met, the transportation of the anchoring device 100 is more convenient, and the transportation cost is reduced.
The arc-shaped single bodies 10a having a connection relationship may be directly connected, for example, may be connected by welding, and may also be indirectly connected by the adapter 15, as long as the connection manner that can meet the splicing requirement between the arc-shaped single bodies 10a is adopted.
Referring to fig. 15, fig. 15 is a partial schematic structural view illustrating the anchoring device 100 and the cable 201 according to the eleventh embodiment of the present invention, in which the above embodiments are all defined in a structural form that the connection site 121 is a connection hole, it can be understood that the connection site 121 is in a connection hole form only in an optional manner, and in some other embodiments, the connection site 121 may also be a connection lug having a rotation shaft 1211, and at this time, the cable 201 may be connected to the rotation shaft 1211 through the first loop 201a at the end of the cable, which can also meet the requirement of connecting the cable 201 to the tower body 400 through the anchoring device 100.
In summary, the anchoring device 100 according to the embodiment of the present invention includes an annular body 10, the annular body 10 includes a base 11 and a connecting body 12 sequentially arranged along a radial direction Z of the annular body, the base 11 has a plurality of mounting holes 111 penetrating along an axial direction Y of the annular body 10, and the plurality of mounting holes 111 are arranged at intervals along a circumferential direction X of the annular body 10 to connect with the tower segment 400 a. The connecting body 12 is provided with a plurality of connecting positions 121 distributed at intervals along the circumferential direction X, and can be connected with the cable 201. That is, the connection between the cable 201 and the tower body 400 can be realized through the anchoring device 100, the lug plate does not need to be welded on the tower 1, the end flange 402 of the tower section 400a does not need to be modified, the tower body 400 itself does not need to be damaged, the cost is low, the processing and the manufacturing are easy, the fatigue strength of the tower body 400 can be further ensured on the basis of meeting the connection requirement between the tower 1 and the cable 201, and the assembling efficiency of the wind generating set is improved.
The tower 1 provided by the embodiment of the invention comprises the anchoring device 100 of each embodiment, and the connection between the tower body 400 and each inhaul cable 201 can be realized through the anchoring device 100, so that the tower 1 is easy to process and assemble, the bearing capacity of the tower can be improved, and the power generation safety and the power generation benefit of the wind generating set in service can be ensured.
Referring also to fig. 16, fig. 16 shows a schematic structural view of a tower 1 according to another embodiment of the present invention. As an alternative embodiment, the present invention provides a tower 1, wherein at least two adjacent sets of two tower segments 400a are provided with anchoring devices 100 therebetween, an axial direction Y of each anchoring device 100 is parallel to a stacking direction, the tower 1 further includes a reinforcing cable set 300, a reinforcing cable set 300 is provided between each two adjacent anchoring devices 100, the reinforcing cable set 300 includes a plurality of reinforcing cables 301 arranged at intervals along a circumferential direction X, each reinforcing cable 301 extends along the axial direction Y and has an interval with the tower segment 400a opposite to the reinforcing cable 301 in a radial direction Z, and one end of each reinforcing cable 301 is connected to one of the two adjacent anchoring devices 100, and the other end of each reinforcing cable 301 is connected to the other of the two adjacent anchoring devices 100. In one embodiment, the reinforcing cable 301 may be interconnected to the attachment site 121 on the anchor 100.
By means of the anchoring device 100, the connection between the reinforcing cable group 300 and the corresponding tower segment 400a can be realized, and the reinforcing cables 301 extend along the axial direction Y and have a space with the outer peripheral surface of the tower segment 400a opposite to the reinforcing cables 301 in the radial direction Z, when the tower segment 400a is applied to the tower 1 and bears load, the load acting on the tower body 400 can be transmitted to the plurality of reinforcing cables 301 through the anchoring device 100, and the load borne by the tower segment 400a is shared by the plurality of reinforcing cables 301, so that the overall bearing capacity of the tower segment 400a is improved. The radial direction Z of the tower body 400 is limited to have a predetermined distance from the tower segment 400a, so that the tower segment 400a, the anchoring device 100 and the reinforcing cable 301 can be separately processed, the original structure of the tower segment 400a is not damaged, and the processing difficulty and the processing cost can be reduced on the premise of improving the bearing capacity of the tower segment 400 a.
Further, the anchoring device 100 can also realize the connection between the cable group 200 and the tower body 400, so that the cable group 200 and the reinforcing cable group 400 can cooperate together to better improve the carrying capacity of the tower 1.
The bearing capacity of the corresponding tower section 400a of the reinforcing component can be further improved due to the arrangement of the reinforcing component, so that the guy cable group 200 can be connected to the anchoring device 100 close to the lower end of the tower body 400 when arranged, namely, the connection position of the guy cable 201 and the tower body 400 can be the position of the end flange 402 of the tower body 400 at the side, far away from the fan foundation 2, of the tower section 400a at the lowest end of the tower body 400, so that the bearing requirement of the tower 1 can be met, therefore, under the condition of the same bearing capacity, the tower 1 in the structural form that the reinforcing cable group 300 is matched with the guy cable group 200 through the anchoring device 100 provided by the embodiment of the invention occupies a smaller area, and is more suitable for wind generating sets in areas with dense population and large land seeking pressure and has lower comprehensive cost compared with the prior art. Moreover, because a plurality of guys 201 can be connected with the anchoring device 100 at the position where the end flange 402 at the side of the tower section 400a at the lowest end far away from the fan foundation 2, compared with the prior art, the guys 201 can be far away from the blade, and the problem that the guys 201 interfere with the blade in the prior art can be effectively solved.
Referring to fig. 17, fig. 17 is a schematic view illustrating the engagement between the reinforcing cable 301 and the anchoring device 100 according to an embodiment of the present invention, as an alternative embodiment, the cable 201 may be a rigid rod, when the connection site 121 adopts a connection hole structure, the cable 201 and the connection site 121 may be connected to each other by a locking member 500, each locking member 500 may include more than two locking nuts 501, at least two locking nuts 501 are oppositely disposed on two sides of the connection part in the axial direction Y of the ring body 10 and are in threaded connection with the reinforcing cable 301, and when the reinforcing cable 301 is locked, the locking nuts 501 on two sides of the same connection part abut against the protrusion.
Referring to fig. 18, fig. 18 shows a schematic view of the reinforcing cable 301 and the anchoring device 100 according to another embodiment of the present invention, it is understood that the retaining member 500 is an alternative embodiment, and in some other embodiments, the retaining member 500 may also include more than two arc-shaped locking plugs 502, and the more than two arc-shaped locking plugs 502 are spliced together to form a tapered ring and extend at least partially into the through hole to clamp and fix the reinforcing cable 301. Each arc-shaped locking plug 502 can be made of high-strength materials such as steel materials and alloys, a plurality of arc-shaped locking plugs 502 are used for providing a large extrusion force for the reinforcing cable to fix the reinforcing cable, and further, the reinforcing cable 301 is better fixed at the corresponding connecting position 121, the number of the arc-shaped locking plugs 502 included in the locking member 500 can be set according to requirements, for example, two, three or more, specifically, the number can be selected according to the overall size of the clamping member, and the requirements for fixing the reinforcing cable 301 and the corresponding connecting position 121 can be met.
When the connection portion 121 is an ear seat having a rotation shaft 1211, the end of the reinforcing cable 301 may be provided with a second collar 301a, and the second collar 301a is connected to the rotation shaft 1211, and the connection manner between the cable 201 and the rotation shaft 1211 is not described herein.
Referring to fig. 19, fig. 19 is a partial schematic view illustrating a reinforcing cable 301 according to an embodiment of the present invention, and as an alternative embodiment, when the length of the reinforcing cable 301 is required to be longer, the reinforcing cable 301 may be integrally formed by connecting a plurality of rods, two adjacent rods may be connected to each other by a connecting sleeve 600, and each rod of the reinforcing cable 301 may be threadedly connected to the connecting sleeve 600.
Referring to fig. 20, fig. 20 is a partial schematic structural diagram of a reinforcing cable 301 according to another embodiment of the present invention, and optionally, whether the reinforcing cable 301 adopts a flexible tensile or rigid pull rod, in order to facilitate tensioning the reinforcing cable 301, a cable turnbuckle 700 may be further disposed on the reinforcing cable 301, and the tensioning degree of the reinforcing cable 301 is achieved by adjusting the cable turnbuckle 700, so as to further ensure the load-bearing capacity of the tower segment 400a in this form.
Moreover, when the anchor device 100 has more than two connection position groups, the reinforcing cables 301 of the reinforcing cable group 300 and the cables 201 of the cable group 200 may be connected to the connection positions 121 on the same connection position group, and at this time, the reinforcing cables 301 and the cables 201 of the reinforcing cable group 300 and the cables 200 may be alternately arranged or arranged in other beat arrangement manners, of course, the reinforcing cables 301 and the cables 201 of the reinforcing cable group 200 may also be connected to the connection positions 121 on different connection position groups, and meanwhile, the reinforcing cables 301 on the outer peripheries of two tower sections 400a that are adjacently arranged may be arranged in one-to-one correspondence, or may be arranged in a staggered manner, as long as the requirement of the bearing capacity of the tower 1 can be satisfied.
In summary, according to the anchor device 100 and the tower 1 provided by the embodiment of the present invention, the anchor device 100 can be used for connecting the cable 201 and the tower body 400, the length of the weld and the fatigue strength of the tower body 400 are not affected, and the processing and manufacturing of each tower tube section 400a of the tower body 400 are not affected, so that the cost is low, the assembling efficiency of the wind turbine generator system can be ensured, and the popularization and use are easy.
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 (13)
1. An anchoring device (100) for connecting a stay (201) and a tower body (400), characterized in that the anchoring device (100) comprises a ring-shaped body (10);
said annular body (10) comprising a base body (11) and a connecting body (12) arranged one after the other in its own radial direction (Z);
the base body (11) is provided with a plurality of mounting holes (111) penetrating along the axial direction (Y) of the annular body (10), and the plurality of mounting holes (111) are arranged at intervals along the circumferential direction (X) of the annular body (10) so as to be connected with the tower body (400);
the connecting body (12) is provided with a plurality of connecting positions (121) which are distributed at intervals along the circumferential direction (X), and the connecting body (12) is connected with the inhaul cable (201) through the connecting positions (121).
2. Anchoring device (100) according to claim 1, characterised in that at least one surface of the connecting body (12) in the axial direction (Y) is a bevel (124), the cross-sectional dimension of the connecting body (12) in the radial direction (Z) decreasing from the base body (11) in a direction away from the base body (11).
3. Anchoring device (100) according to claim 1, characterised in that the connection site (121) is a connection lug with a rotation axis (1211).
4. Anchoring device (100) according to claim 1, characterised in that said connection site (121) is a connection hole passing through said connection body (12) in said axial direction (Y).
5. Anchoring device (100) according to claim 4, characterised in that a protective sleeve (13) is removably associated inside at least one of said connection sites (121), said protective sleeve (13) extending along said axial direction (Y).
6. Anchoring device (100) according to claim 1, characterised in that in said axial direction (Y) said connection body (12) has a thickness equal to or greater than the thickness of said base body (11);
alternatively, the connecting body (12) includes a base portion (122) connected to the base body (11) and a thickened portion (123) provided in the axial direction (Y) in a stacked manner on the base portion (122), the connecting portion (121) is provided in the thickened portion (123), and the sum of the thicknesses of the thickened portion (123) and the base portion (122) in the axial direction (Y) is larger than the thickness of the base body (11).
7. Anchoring device (100) according to claim 1, characterised in that a plurality of said linking sites (121) is divided into more than two groups of linking sites arranged at intervals along said radial direction (Z), each group of linking sites comprising said linking sites (121) being located on the same pitch circle and arranged at intervals along said circumferential direction (X).
8. The anchoring device (100) according to any one of claims 1 to 7, characterised in that the annular body (10) further comprises a retaining body (14), the retaining body (14) being arranged opposite the connecting body (12) in the radial direction (Z) and being connected to the base body (11), the retaining body (14) at least partially protruding from the base body (11) in the axial direction (Y).
9. Anchoring device (100) according to claim 8, characterised in that said retaining body (14) is a closed ring extending along said circumferential direction (X);
or the limiting body (14) comprises a plurality of limiting single bodies (14a) which are arranged around the axis of the annular body (10) at intervals and are respectively connected with the base body (11), and at least one end of each limiting single body (14a) in the axial direction (Y) protrudes out of the base body (11).
10. Anchoring device (100) according to claim 8, characterised in that said connecting body (12) is a closed ring extending along said circumferential direction (X);
or, the connecting body (12) comprises a plurality of connecting single bodies (12a) which are arranged around the axis of the annular body (10) at intervals and are respectively connected with the base body (11), and each connecting single body (12a) is provided with at least one connecting position (121).
11. Anchoring device (100) according to claim 8, characterised in that said annular body (10) comprises a plurality of arched mono-bodies (10a), said arched mono-bodies (10a) being arranged one after the other in said circumferential direction (X) and mutually connected.
12. A tower (1) connected to a wind turbine foundation (2), characterized in that the tower (1) comprises:
the tower body (400) comprises a plurality of tower sections (400a) which are arranged in a stacked mode, and end flanges (402) are arranged at two ends of each tower section (400a) in the stacking direction respectively;
the anchoring device (100) according to any one of claims 1 to 11, wherein said anchoring device (100) is arranged between at least one set of two adjacently arranged tower sections (400a), said anchoring device (100) being interconnected with said end flange (402) of said adjacently arranged tower section (400a) by means of a plurality of said mounting holes (111), said connecting body (12) protruding at least partially from said tower body (400) in said radial direction (Z);
inhaul cable group (200), inhaul cable group (200) include a plurality of edges cable (201) that circumference (X) mutual interval set up, every the one end of cable (201) with anchor (100) connect position (121) and connect, the other end with fan basis (2) and/or cable basic connection.
13. A tower (1) according to claim 12, wherein said anchoring means (100) are provided between at least two sets of two adjacent tower segments (400a), said axial direction (Y) of each annular body (10) being mutually parallel to said stacking direction;
the tower (1) further comprises a reinforcing cable group (300), the reinforcing cable group (300) is arranged between every two adjacent anchoring devices (100), the reinforcing cable group (300) comprises a plurality of reinforcing cables (301) which extend along the axial direction (Y) and are arranged at intervals along the circumferential direction (X), the outer circumferential surface of the tower barrel section (400a) opposite to the reinforcing cables (301) in the radial direction (Z) is provided with intervals, one end of each reinforcing cable is connected with one of the two adjacent anchoring devices (100), and the other end of each reinforcing cable is connected with the other of the two adjacent anchoring devices (100).
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| CN201910213624.4A CN111720269B (en) | 2019-03-20 | 2019-03-20 | Anchoring device and tower |
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| CN201910213624.4A CN111720269B (en) | 2019-03-20 | 2019-03-20 | Anchoring device and tower |
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| CN112012891B (en) * | 2019-05-29 | 2022-07-29 | 北京金风科创风电设备有限公司 | Stay cable type tower, wind generating set and connecting device |
| WO2022263697A1 (en) * | 2021-06-14 | 2022-12-22 | Hws Concrete Towers, S.L. | High-rise tower with prefabricated concrete elements |
| CN113217294B (en) * | 2021-06-25 | 2022-07-01 | 上海电气风电集团股份有限公司 | Tower bottom section structure, tower and wind driven generator |
| WO2023274479A1 (en) * | 2021-06-30 | 2023-01-05 | Vestas Wind Systems A/S | Stabilized wind turbines, systems for stabilizing wind turbines, and methods for installing same |
| WO2023274478A1 (en) * | 2021-06-30 | 2023-01-05 | Vestas Wind Systems A/S | Stabilized wind turbines, systems for stabilizing wind turbines, and methods for installing same |
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Address after: No.107 Shanghai Road, Urumqi Economic and Technological Development Zone, Urumqi City, Xinjiang Uygur Autonomous Region Patentee after: Jinfeng Technology Co.,Ltd. Address before: No.107 Shanghai Road, Urumqi Economic and Technological Development Zone, Urumqi City, Xinjiang Uygur Autonomous Region Patentee before: XINJIANG GOLDWIND SCIENCE & TECHNOLOGY Co.,Ltd. |