• 专利附录
  • 专利说明
  • 权利要求
  • 类似技术
  • 同族专利
  • 引用文献
  • 法律状态
  • 优先权
    • 专利摘要:
    Assembly procedure of concrete towers of decreasing section for wind turbines and associated wind turbine. The present invention relates to a method of assembly of concrete towers of decreasing section for wind turbines comprising a pre-assembly phase of sections of concrete tower that allows to reduce the space required during the stages of pre-assembly of the different sections of the tower previously to its hoisting and associated civil works to condition said space where, during the pre-assembly phase, a first annular section is confined at least partially in the interior space defined by a second annular section, the invention also referring to the wind turbine associated with said procedure of assembly. (Machine-translation by Google Translate, not legally binding)
    公开号:ES2558025A1
    申请号:ES201431146
    申请日:2014-07-30
    公开日:2016-02-01
    发明作者:Teresa Arlabán Gabeiras；Iván GARCÍA MAESTRE；Íñigo RUBIO GUILLÉN；José Luis ARÍSTEGUI LANTERO；Javier CIAURRIZ MARTÍN；José Miguel García Sayés；Miguel Núñez Polo
    申请人:Acciona Windpower SA；
    IPC主号:
    专利说明:

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    PROCEDURE FOR ASSEMBLING CONCRETE TOWERS OF DECREASING SECTION FOR AIRBRUSHERS AND ASSOCIATED AEROGENERATOR
    D E S C R I P C I ON
    OBJECT OF THE INVENTION
    The present invention relates to a method of mounting concrete towers of decreasing section for wind turbines which comprises a pre-assembly phase of concrete tower sections that allows reducing the space required during the pre-assembly stages of the different tower sections previously to its lifting and, consequently, the material used to carry out the associated civil works to condition said space.
    The object of the invention is a method of assembling concrete towers of decreasing section for wind turbines comprising a pre-assembly phase of concrete tower sections where a first annular section is at least partially confined in the interior space defined by a second section cancel during said pre-assembly phase, as well as the associated wind turbine.
    BACKGROUND OF THE INVENTION
    In the last twenty years the nominal power of the wind turbines has been gradually increasing thanks to the increase in the rotor diameter of the same, which in turn makes the use of higher towers indispensable. The increase in height can make it essential that the tower comprises different sections along its height that are placed stacked on top of each other to form the tower and that are in turn transportable by road or rail. For example, to mount a tower 100 m high, 5 sections of 20 m high could be used stackable on top of each other, and having to be in turn with those dimensions transportable by road and rail.
    On the other hand, one of the options to ensure that the towers, being taller, are equally stable and rigid, is to gradually increase the transverse dimensions of the tower from the top to the base of the tower. Saying
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    Increase can again involve transport problems of the sections and a usual solution is to divide them into longitudinal modules. The dimensions of the longitudinal modules allow transport by road or rail.
    Logically, the increase in the nominal power of the wind turbines entails the increase in weights and dimensions of all the components of the turbines in general, the following aspects being especially relevant for assembly costs:
    • The height of the tower;
    • The diameter of the rotor and the weight of the blade-bushing assembly;
    • The weight of the nacelle and the subcomponents;
    • The weight of the tower sections and their diameter.
    Usually, the section preassembly stage is carried out in an area near the base of the tower, where given the weights of these sections and the irregularity of the land, it is necessary to carry out civil works to condition that land through operations of flattening and compaction mainly, which implies a high use of materials and time.
    In the state of the art there is a pre-assembly position for each section, next to each other, either around the base of the tower or forming a row next to it. These positions are sufficiently separated so that the devices used for preassembly can run between the different sections during the preassembly stages of each of them.
    In addition, it is customary to use preassembly platforms arranged in said positions, on which the segments forming a section are assembled, where a section preassembly platform is generally used.
    Once the segments have been placed on the pre-assembly platforms and they have been properly positioned to guarantee the dimensional tolerances of the section, the vertical joints between segments, usually of concrete, are executed.
    Given the dimensions of the base of the sections and the space that has to be arranged between them the surface to be conditioned is large and therefore implies a great expense of
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    Human and material resources. This is not always possible since there are sites where the available space is reduced by the irregularity of the land, such as places where wind turbines are at a height or near a ravine.
    The present invention solves all the above drawbacks by means of a method of assembling concrete towers of decreasing section for wind turbines which comprises a pre-assembly phase of concrete tower sections that allows reducing the space required during the pre-assembly stages of the different sections of the tower prior to its lifting and, consequently, the material used to carry out the associated civil works to condition said space.
    DESCRIPTION OF THE INVENTION
    The present invention relates to a method of mounting concrete towers of decreasing section for wind turbines comprising a pre-assembly phase of concrete tower sections, where the tower comprises at least two stackable annular sections, a first stackable annular section and a second stackable annular section of larger section than the first stackable annular section, where the stackable annular sections comprise at least two segments and where the preassembly phase is carried out in at least one preassembly zone near a base of the tower and comprises joining stages of at least two segments of a stackable annular section carried out for at least the first stackable annular section and the second stackable annular section.
    During the pre-assembly phase the at least two segments of the first stackable annular section are at least partially confined in the interior space defined by the at least two segments of the second stackable annular section.
    Optionally, the at least two segments of the first stackable annular section are at least partially confined in the interior space defined by the at least two segments of the second stackable annular section after the joining stages of the at least two segments of the first section ring stackable and the second section stackable ring.
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    The joining stages of at least two segments of a stackable annular section carried out for at least the first stackable annular section and the second stackable annular section can be provisional joining stages that are carried out by means of provisional joining means used during part or all of the procedure of mounting concrete towers of decreasing section, or definitive joining stages that are carried out by means of definitive joining means that are configured to provide the section with the necessary requirements for the tower Once mounted, support the wind turbine loads during operation.
    Optionally, the joining stage of the at least two segments of the first stackable annular section is carried out before the joining stage of the at least two segments of the second stackable annular section, so that it is fully accessible from the outside of each stackable annular section when said joining stages are carried out.
    Optionally, the preassembly phase comprises, prior to the joining stages of the at least two segments of each of the stackable annular sections, a positioning stage of the segments.
    This positioning step may comprise arranging the at least two segments of each of the annular sections stackable vertically adjacently, such that the joining flanks between them are arranged adjacently, or it may comprise arranging the at least two segments of each of the annular sections stackable vertically facing each other, the at least two segments of each of the stackable annular sections being non-adjacent.
    In this way, the procedure of mounting concrete towers of decreasing section of the present invention allows reducing the dimensions of the land surface to be conditioned for the section pre-assembly phase and, if its use is required, for the location of some preassembly bases, since the same position is used to carry out the preassembly phase for at least two sections of a tower, thus reducing the land area that needs to be conditioned to support the loads associated with the weight of the sections.
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    Optionally, the positioning stage of the segments of the first stackable annular section is carried out with respect to one of the preassembly zones and the positioning stage of the segments of the second stackable annular section is carried out with respect to the first section cancel stackable.
    The method of assembling concrete towers of decreasing section for wind turbines also comprises a stacking phase of a stackable annular section on an immediately inferior stackable annular section.
    BRIEF DESCRIPTION OF THE DRAWINGS
    Figure 1 shows a plan view of two options known in the state of the art in which the preassembly areas of tower sections are arranged next to each other, either around the base of the tower or forming a row to the side of it.
    Figure 2 shows a perspective view of the stacking phase of a stackable annular section on the base of the tower assembly procedure of decreasing section concrete towers for wind turbines of the present invention.
    Figure 3 shows a perspective view of the preassembly phase where a first stackable annular section is disposed in a first preassembly zone according to the procedure of mounting concrete towers of decreasing section for wind turbines of the present invention.
    Figure 4 shows a perspective view of the positioning stage of the pre-assembly phase where the at least two segments of each of the annular sections stack vertically adjacent to each other are arranged, so that the joining flanks between them they are arranged adjacent, where one of the segments of the outer section has not been represented for clarity.
    Figure 5 shows a perspective view of the positioning stage of the pre-assembly phase where the at least two segments of each of the annular sections stack vertically facing each other are arranged facing each other, being not adjacent
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    the at least two segments of each of the stackable annular sections, where one of the segments of the outer section has not been shown for clarity.
    Figure 6 shows a diagram of the preassembly phase carried out in two preassembly zones, where the consecutive stackable annular sections of the tower once stacked, are alternately arranged in two preassembly zones, in case it enters the first stackable annular section and the second stackable annular section disposed in the first preassembly zone do not have enough space to provide a third stackable annular section, said third stackable annular section disposed in a second preassembly zone.
    Figure 7 shows an elevation view of an embodiment of the invention where the preassembly platform of an outer stackable annular section is arranged at a higher height than the preassembly platform of the closest stackable annular section confined in the interior space of the outer stackable annular section.
    PREFERRED EMBODIMENT OF THE INVENTION
    Next, the procedure for assembling concrete towers of decreasing section for wind turbines of the present invention will be described in detail.
    The method of mounting concrete towers of decreasing section for wind turbines comprises a pre-assembly phase of concrete tower sections, where the tower comprises at least two stackable annular sections (2, 3), a first stackable annular section (2) and a second stackable annular section (3) of greater section than the first stackable annular section (2), where the stackable annular sections (2, 3) in turn comprise at least two segments (4) and where the preassembly phase comprises joining stages of at least two segments (4) of a stackable annular section (2, 3) carried out for at least the first stackable annular section (2) and the second stackable annular section (3).
    The preassembly phase is carried out in at least a first preassembly zone (5) near a base (1) of the tower where the at least two segments (4) can be joined in the joint stage of the first stackable annular section (2) are confined at least partially in the interior space defined by the at least two segments (4) of the
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    second stackable annular section (3), where the joining stage of the first stackable annular section (2) is carried out before the joining stage of the second stackable annular section (3).
    The base (1) of the tower can be a foundation or an annular section mounted directly on said foundation.
    In this way, unlike the state of the art in which a pre-assembly position is arranged for each section next to each other, either around the base of the tower or forming a row next to it as shown in Figure 1, according to the invention, pre-assembly positions of different sections are arranged in a nested manner thus reducing the space required during the pre-assembly stages of the different sections of the tower prior to lifting and, consequently, the material used to carry out the associated civil works to condition said space.
    The preassembly phase comprises, prior to the joining stages of the at least two segments (4) of each of the stackable annular sections (2, 3, 2 '), a positioning stage of the segments (4) comprising arrange the at least two segments (4) of each of the stackable annular sections (2, 3, 2 ') vertically adjacently, so that the connecting flanks between them (4) are arranged adjacently, such and as shown in Figure 4 or vertically facing each other, the at least two segments (4) of each of the stackable annular sections (2, 3, 2 ') being non-adjacent, as shown in Figure 5.
    The positioning stage of the segments (4) of the first stackable annular section (2) is carried out with respect to one of the preassembly zones (5, 5 ') and the positioning stage of the segments (4) of the Second stackable annular section (3) is carried out with respect to the first stackable annular section (2). The positioning stage of the segments (4) of the first stackable angular section (2) is carried out by fixing the position of the segments (4) with respect to a reference point located in the first preassembly zone (5), while that the positioning stage of the segments (4) of the second stackable angular section (3) is carried out by fixing the position of the segments (4) with respect to a reference point located in the first stackable annular section (2),
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    The positioning stage of the segments (4) of the first stackable annular section (2) with respect to the preassembly zone (5) is carried out by means of struts (6) to position and support each segment (4) and the stage of positioning of the segments (4) of the second stackable annular section (3) with respect to the first stackable annular section (2) or a stackable annular section that is the closest confined in the interior space of the second stackable annular section (3 ), is carried out by means of support elements (7), where the positioning stage of the segments (4) of the second stackable annular section (3) with respect to the first stackable annular section (2) or the stackable annular section which is the closest confined in the interior space of the second stackable annular section (3) is carried out either by pre-assembling the support element (7) in the first stackable annular section (2), preferably in the most stackable annular section next confined in the inter space ior of the second stackable annular section (3), or by preassembling the support element (7) in the second stackable annular section (3), so that no struts are necessary to carry out the positioning of the rest of the stackable annular sections (3). Subsequently, the segment (4) of the stackable annular section is placed in which the support element (7) has not been pre-assembled and said segment (4) is supported and / or fixed to said support element (7).
    The support elements (7) allow positioning of the segments (4) of the second stackable annular section (3) by setting the distance of at least one point of these (4) with respect to the segments (4) of the first stackable ring section (2). On the other hand, the struts (6) allow positioning of the segments (4) of the first stackable annular section (2) by setting the distance of at least one point of these (4) with respect to the first preassembly zone (5).
    The joining stages of at least two segments (4) of a stackable annular section (2, 3) carried out for at least the first stackable annular section (2) and the second stackable annular section (3) are provisional joining stages , by means of provisional joining means, which in this example of realization are hydraulic jacks (not shown).
    The method of assembling concrete towers of decreasing section for wind turbines also includes a stacking phase of an annular section.
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    stackable (3) on the base (1) of the tower and a stackable annular section (2) on a stackable annular section (3) immediately below.
    In a variant embodiment, the method of assembling decreasing section concrete towers for wind turbines comprises a preassembly phase of concrete tower sections, where the tower comprises at least three stackable annular sections (2, 3, 2 '), a first stackable annular section (2), a second stackable annular section (3) of greater section than the first stackable annular section (2) and a third stackable annular section (2 ') whose section is larger than the section of the first section ring stackable (2) and smaller than the section of the second stackable ring section, where the stackable ring sections (2, 3, 2 ') in turn comprise at least two segments (4) and where the preassembly phase comprises stages of joining at least two segments (4) of the first stackable annular section (2), of the second stackable annular section (3) and of the third stackable annular section (2 '), where the preassembly phase of the first section cancel stackable (2) and the sec A stackable annular section (3) is carried out in a first preassembly zone (5) near the base (1) of the tower and where the preassembly phase of the third stackable annular section (2 ') is carried out in a second preassembly zone (5 ') near the base (1) of the tower.
    In this variant, as mentioned, the preassembly phase is carried out in at least two preassembly zones (5, 5 ') near the base (1) of the tower, a first preassembly zone (5) and a second preassembly zone (5 '), where the at least two segments (4) of the first stackable annular section (2) are at least partially confined in the interior space defined by the at least two segments (4) of the second stackable annular section (3) in the first preassembly zone (5) and the third stackable annular section (2 ') joins in the joining stage of the third stackable annular section (2') in the second preassembly zone (5 ').
    The joining stage of the first stackable annular section (2) is preferably carried out before the joining stage of the second stackable annular section (3).
    In this variant, the method of mounting concrete towers of decreasing section for wind turbines also includes a stacking phase of a
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    stackable annular section (3) on the base (1) of the tower and a stackable annular section (2, 2 ') on an immediately inferior stackable annular section (2', 3), where in a first example of realization, stack the second stackable ring section (3) on the base of the tower (1), then stack the third stackable ring section (2 ') over the second stackable ring section (3) and then stack the first stackable ring section (2) on the third stackable annular section (2 ').
    This is because depending on the inclination of the decreasing section of the tower, it is possible that between the first stackable annular section (2) and the second stackable annular section (3), arranged in the first preassembly zone (5) does not there is enough space to arrange the third stackable annular section (2 '), which occupies an intermediate place in the tower already mounted between the second stackable annular section (3) and the first stackable annular section (2), and must be arranged in the second preassembly zone (5 '). In this way there is a greater space between the first stackable annular section (2) and the second stackable annular section (3) in the first preassembly zone (5).
    Analogously to the previous variant, the pre-assembly phase could be carried out in the two pre-assembly zones (5, 5 ') near the base (1) alternating consecutive stackable annular sections of the tower in each of the zones preassembly (5, 5 '), as shown in Figure 6, in case the tower had more than three stackable annular sections, so that the stacking phase would be carried out by stacking the stackable annular section more external of the second preassembly zone (5 ') on the outermost stackable annular section of the first preassembly zone (5) and so on taking first sections of the first preassembly zone (5) and after the second preassembly zone (5 ') alternatively until all stackable annular sections of the tower are stacked.
    The preassembly phase comprises the use of a preassembly platform (8, 8 ', 8' ') arranged in one of the preassembly zones (5, 5') for each of the stackable annular sections (2, 3, 2 '), where on each pre-assembly platform (8, 8', 8 '') the segments (4) of a stackable annular section (2, 3, 2 ') are arranged, where the pre-assembly platforms (8, 8' , 8 '') contribute to the positioning of the segments (4) by fixing at least two points of the base of said segments (4).
    It is also particularly advantageous that the pre-assembly phase of the at least two stackable annular sections (2, 3, 2 ') is carried out concentrically so that the longitudinal axes of the stackable annular sections (2, 3, 2') match. Thus, the process of alignment and control of the inclination of the decreasing section 5 of the tower of the stackable annular sections (2, 3, 2 ') is more precise since the stackable annular sections (3, 2') share the reference with respect to another stackable annular section (2) with respect to which (2) the inclination of the decreasing section of the tower is verified. In this case, the preassembly platforms (8, 8 ’, 8’) arranged in each of the preassembly zones (5, 5 ’) are arranged concentrically.
    Preferably, the pre-assembly platforms (8, 8 ', 8' ') are arranged at different heights, so that there is more space between adjacent stackable annular sections, allowing the pre-assembly phase to be carried out if the inclination of the Decreasing section of the tower is not enough for the first stackable annular section (2) to be housed inside the second stackable annular section (3) being both at the same height, due for example to interference between elements inside the walls of the second stackable annular section (3) with the outer walls of the first stackable annular section (2). Preferably, the preassembly platform 20 (8) of an outer stackable annular section (3) is arranged at a greater height than the
    preassembly platform (8 ’) of the nearest stackable annular section (2) confined in the interior space of the outer stackable annular section (3).
    The mounting platforms (8, 8 ’, 8’) include legs (9, 9 ’, 9’) on which 25 discs are arranged (10, 10 ’, 10’). Thus, for example, the preassembly platform (8 ') of the second stackable annular section (3) has legs (9') of greater length than the legs (9) of the preassembly platform (8) of the first annular section stackable (2). In this way, an upper surface of the disc (10 ') of the preassembly platform (8') on which the beams (4) of the second stackable annular section 30 (3) rest are located at a greater height than a upper surface of the disc (10) of the preassembly platform (8) on which the beams (4) of the first stackable annular section (2) rest.
    权利要求:
    Claims (18)
    [1]
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    r e i v i n d i c a c i o n e s
    1. - Procedure of assembly of concrete towers of decreasing section for wind turbines comprising:
    • a pre-assembly phase of sections (2, 3, 2 ’) of concrete tower,
    or where the tower comprises at least two stackable annular sections (2, 3, 2 '), a first stackable annular section (2) and a second stackable annular section (3) of greater section than the first stackable annular section (2), where the stackable annular sections (2, 3, 2 ') in turn comprise at least two segments (4) and,
    • where the preassembly phase is carried out in at least one preassembly zone (5, 5 ') near a base (1) of the tower and comprises joining stages of at least two segments (4) of a section stackable ring (2, 3, 2 ') carried out for at least the first stackable ring section (2) and the second stackable ring section (3),
    characterized in that during the pre-assembly phase the at least two segments (4) of the first stackable annular section (2) are at least partially confined in the interior space defined by the at least two segments (4) of the second stackable annular section (3).
    [2]
    2. - Procedure of mounting concrete towers of decreasing section for wind turbines according to claim 1 characterized in that the joining stages of at least two segments (4) of a stackable annular section (2, 3, 2 ') carried out to at least the first stackable annular section (2) and the second stackable annular section (3) are provisional joining steps carried out by means of provisional joining means employed during a part or all of the concrete tower assembly procedure of decreasing section.
    [3]
    3. - Procedure for mounting concrete towers of decreasing section for wind turbines according to claim 1 characterized in that the joining stages of at least two segments (4) of a stackable annular section (2, 3, 2 ') carried out to at least the first stackable annular section (2) and the second stackable annular section (3) are definitive joining stages carried out by means of definitive joining means configured so that the tower once mounted supports the wind turbine loads during operation .
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    [4]
    4. - Procedure for mounting concrete towers of decreasing section for wind turbines according to any of the preceding claims characterized in that the joining stage of the at least two segments (4) of the first stackable annular section (2) is carried out before the joining stage of the at least two segments (4) of the second stackable annular section (3).
    [5]
    5. - Procedure for mounting concrete towers of decreasing section for wind turbines according to any of the preceding claims characterized in that the pre-assembly phase comprises, prior to the joining stages of the at least two segments (4) of each of the stackable annular sections (2, 3, 2 '), a positioning step of the segments (4) comprising arranging the at least two segments (4) of each of the stackable annular sections (2, 3, 2') in vertically adjacent, so that the flanks of union between them (4) are arranged adjacent.
    [6]
    6. - Procedure for mounting concrete towers of decreasing section for wind turbines according to any of claims 1 to 4, characterized in that the pre-assembly phase comprises, prior to the joining stages of the at least two segments (4) of each of the stackable annular sections (2, 3, 2 '), a positioning step of the segments (4) comprising arranging the at least two segments (4) of each of the stackable annular sections (2, 3, 2' ) vertically facing each other, the at least two segments (4) of each of the stackable annular sections (2, 3, 2 ') being non-adjacent.
    [7]
    7. - Procedure of mounting concrete towers of decreasing section for wind turbines according to any of claims 5 or 6, characterized in that the positioning stage of the segments (4) of the first stackable annular section (2) is carried out with respect to to one of the preassembly zones (5, 5 ') and the positioning stage of the segments (4) of the second stackable annular section (3) is carried out with respect to the first stackable annular section (2).
    [8]
    8. - Procedure of assembly of concrete towers of decreasing section for wind turbines according to claim 7 characterized in that the positioning stage of the segments (4) of the first stackable annular section (2) with respect to
    the preassembly zone (5) is carried out by means of struts (6) to position and support each segment (4) and the positioning stage of the segments (4) of the second stackable annular section (3) with respect to the first Stackable annular section (2) is carried out by means of support elements (7).
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    [9]
    9. - Procedure for mounting concrete towers of decreasing section for wind turbines according to claim 8 characterized in that the positioning stage of the segments (4) of the second stackable annular section (3) with respect to the first stackable annular section (2) is carried out or by pre-assembling the
    The support element (7) in the first stackable annular section (2), or by pre-assembling the support element (7) in the second stackable annular section (3).
    [10]
    10. - Procedure of mounting concrete towers of decreasing section for wind turbines according to any of the previous claims where the tower
    15 further comprises a third stackable annular section (2 ') whose section is larger than the section of the first stackable annular section (2) and smaller than the section of the second stackable annular section (3), and which in turn comprises at least two segments (4), characterized in that the pre-assembly phase comprises joining stages of the at least two segments (4) of the third stackable annular section (2 '), where the phase
    20 of preassembly of the first stackable annular section (2) and the second stackable annular section (3) is carried out in a first preassembly zone (5) near the base (1) of the tower and where the preassembly phase of the third stackable annular section (2 ') is carried out in a second preassembly zone (5') near the base (1) of the tower.
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    [11]
    11. - Procedure for mounting concrete towers of decreasing section for wind turbines according to any of the preceding claims characterized in that it also comprises a stacking phase of a stackable annular section (2, 2 ') on a stackable annular section (2', 3) immediately lower.
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    [12]
    12. - Procedure of mounting concrete towers of decreasing section for wind turbines according to claims 10 and 11 characterized in that in the stacking phase the stacking of the second stackable annular section (3) is carried out on the base of the tower ( 1), the third stackable annular section (2 ') is then stacked on
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    the second stackable annular section (3) and then the first stackable annular section (2) is stacked on the third stackable annular section (2 ’).
    [13]
    13. - Procedure for mounting concrete towers of decreasing section for wind turbines according to any of the preceding claims characterized in that in the pre-assembly phase a pre-assembly platform (8, 8 ', 8' ') is used arranged in a of the preassembly zones (5, 5 ') for each of the stackable annular sections (2, 3, 2'), where the segments (4, 8 ', 8' ') are arranged on each preassembly platform (4 ) of a stackable annular section (2, 3, 2 ').
    [14]
    14. - Procedure for mounting concrete towers of decreasing section for wind turbines according to any of the preceding claims characterized in that the pre-assembly phase of the at least two stackable annular sections (2, 3, 2 ') is carried out in a concentric manner. so that the longitudinal axes of the stackable annular sections (2, 3, 2 ') coincide.
    [15]
    15. - Procedure for mounting concrete towers of decreasing section for wind turbines according to claims 13 and 14, characterized in that the pre-assembly platforms (8, 8 ', 8' ') arranged in each of the pre-assembly areas (5, 5 ') are arranged concentrically.
    [16]
    16. - Procedure for mounting concrete towers of decreasing section for wind turbines according to any of claims 13 to 15, characterized in that the pre-assembly platforms (8, 8 ’, 8’) are arranged at different heights.
    [17]
    17. - Procedure of mounting concrete towers of decreasing section for wind turbines according to revindication 16 characterized in that the pre-assembly platform (8) of an outer stackable annular section (3) is arranged at a greater height than the pre-assembly platform (8 ') of the nearest stackable annular section (2) confined in the interior space of the outer stackable annular section (3).
    [18]
    18. - Wind turbine comprising a tower mounted by means of the method of mounting concrete towers of decreasing section of any of the preceding claims.
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    同族专利:
    公开号 | 公开日
    EP2980337A1|2016-02-03|
    EP2980337B1|2017-09-27|
    ES2558025B1|2016-11-11|
    US20160032610A1|2016-02-04|
    ES2654237T3|2018-02-12|
    NO2980337T3|2018-02-24|
    BR102015017595A2|2016-06-28|
    US9637944B2|2017-05-02|
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    优先权:
    申请号 | 申请日 | 专利标题
    ES201431146A|ES2558025B1|2014-07-30|2014-07-30|Assembly procedure of concrete towers of decreasing section for wind turbines and associated wind turbines|ES201431146A| ES2558025B1|2014-07-30|2014-07-30|Assembly procedure of concrete towers of decreasing section for wind turbines and associated wind turbines|
    BR102015017595A| BR102015017595A2|2014-07-30|2015-07-23|method for assembling descending concrete towers for wind turbines and associated wind turbines|
    NO15179105A| NO2980337T3|2014-07-30|2015-07-30|
    ES15179105.0T| ES2654237T3|2014-07-30|2015-07-30|Assembly procedure of concrete towers of decreasing section for wind turbines|
    EP15179105.0A| EP2980337B1|2014-07-30|2015-07-30|Method for assembling diminishing section concrete towers for wind turbines|
    US14/813,670| US9637944B2|2014-07-30|2015-07-30|Method for assembling decreasing section concrete towers for wind turbines and associated wind turbines|
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