• 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:
    Swing assembly (1) for a solar tracker comprising an outer support (2) with an inner housing with a toroidal surface, and an inner sleeve (3) housed in said inner housing of the support (2). The bushing (3) comprises a toroidal outer surface that cooperates with the inner housing surface so that said bushing (3) is allowed to rotate with respect to the support (2) along an axial axis (A). Both the support (2) and the bushing (3) are formed by a single piece. (Machine-translation by Google Translate, not legally binding)
    公开号:ES2739673A1
    申请号:ES201830804
    申请日:2018-08-03
    公开日:2020-02-03
    发明作者:Montoto Orlando Simancas
    申请人:Asturmadi Reneergy S L；
    IPC主号:
    专利说明:

    [0001]
    [0002] Swing set for solar tracker
    [0003]
    [0004] SECTOR OF THE TECHNIQUE
    [0005]
    [0006] The present invention relates to turning assemblies, preferably for solar trackers.
    [0007]
    [0008] PREVIOUS STATE OF THE TECHNIQUE
    [0009]
    [0010] Turn sets for solar panels are known. Solar panels, individually or in pairs, are usually arranged one behind the other in rows. In the state of the art each row is also called a solar tracker, which in the case of independent rows operated by independent drive means are usually known as monofila solar trackers. The solar panels are normally mounted on a frame that is attached to a torsion bar so that by rotating said torsion bar the frame is also rotated and consequently the solar plates. The rows or solar trackers of the solar panels are arranged according to the orientation from North to South and the solar panels are rotated from East to West so that the plates adopt the best possible inclination so that they are oriented in the most appropriate way to the changing position of the sun at every moment.
    [0011]
    [0012] Each torsion bar is arranged on pillars, which are normally anchored to the ground, through a plurality of turning assemblies that are fixed to a respective pillar. The rotation assemblies allow the torsion bar to rotate when the torsion bar is operated in a controlled manner.
    [0013]
    [0014] In this sense ES1084355U discloses a turning assembly for a solar tracker comprising an outer support and an inner sleeve housed inside said support. The bushing is formed by two pieces, a lower bushing and an upper bushing, which once joined together form a polygonal inner housing to house the torsion bar of the solar tracker and a cylindrical outer surface. The support in turn is also formed by two pieces, a lower support and an upper support, which once joined form a cylindrical inner surface, intended to receive between them the upper and lower bushes.
    [0015]
    [0016] EXHIBITION OF THE INVENTION
    [0017]
    [0018] The object of the invention is to provide a rotation assembly for a solar tracker, as defined in the claims.
    [0019]
    [0020] The turning assembly of the invention comprises an outer support with an inner housing, and an inner bushing housed in said inner housing of the support, the bushing being configured to rotate in the inner housing along an axial axis.
    [0021]
    [0022] The bushing comprises a toroidal outer surface that cooperates with a toroidal surface of the inner housing, said toroidal surfaces comprising a revolution axis that coincides with the axial axis, so that said bushing is allowed to rotate with respect to the support along the axis. axial, being both the support and the bushing formed by a single piece. In the context of the invention, a toroidal surface is a surface that is part of a toroid generated by a closed flat curve that revolves around an axis of revolution.
    [0023]
    [0024] Both the support and the bushing are formed by a single piece, therefore, with the turning assembly of the invention it is avoided that during the rotation of the bushing with respect to the support there are friction and collisions between both pieces that can eventually damage one or both pieces of the turning assembly.
    [0025]
    [0026] In the support, and in the bushing, there can be a small jump in the state of the art between the lower support and the upper support, and in the connection of the inner and upper bushing. This jump causes a small collision between the support and the bushing during the rotation of the bushing which can damage both the support and the bushing over time.
    [0027]
    [0028] These and other advantages and features of the invention will become apparent in view of the figures and the detailed description of the invention.
    [0029] DESCRIPTION OF THE DRAWINGS
    [0030]
    [0031] Figure 1 shows a perspective view of an embodiment of the rotation assembly according to the invention.
    [0032]
    [0033] Figure 2 shows a perspective view of the outer support of the rotation assembly of Figure 1.
    [0034]
    [0035] Figure 3 shows a perspective view of the inner sleeve of the rotation assembly of Figure 1.
    [0036]
    [0037] Figure 4 shows a perspective view of the rotation assembly of Figure 1, the bushing being in the intermediate position of the assembly.
    [0038]
    [0039] Figure 5 shows another perspective view of the rotation assembly of the invention.
    [0040]
    [0041] Figure 6 shows a perspective view of the rotation assembly according to another embodiment of the invention.
    [0042]
    [0043] Figure 7 shows a perspective view of the reinforcement of the rotation assembly of Figure 6.
    [0044]
    [0045] Figure 8 shows a perspective view of the rotation assembly of Figure 1 mounted on an intermediate element.
    [0046]
    [0047] Figure 9 shows a perspective view of the rotation assembly of Figure 6 mounted on an intermediate element.
    [0048]
    [0049] Figure 10 schematically shows the rotation assembly of Figure 1 mounted for use on one of the pillars of a solar tracker, with the torsion bar housed in said rotation assembly.
    [0050] DETAILED EXHIBITION OF THE INVENTION
    [0051]
    [0052] Figure 1 shows a perspective view of the rotation assembly 1 according to a preferred embodiment of the invention wherein said rotation assembly 1 comprises an outer support 2 comprising an inner housing 4 with a toroidal surface, and an inner sleeve 3 housed in said inner housing 4 of the support 2. The bushing 3 comprises a toroidal outer surface 3 'cooperating with the toroidal surface of the inner housing 4 so that said bushing 3 is allowed to rotate with respect to the support 2 along an axial axis A .
    [0053]
    [0054] Both the support 2 and the bushing 3 are formed by a single piece, therefore, with the turning assembly 1 of the invention it is avoided that during rotation of the bushing 3 with respect to the support 2 friction and collisions occur between both pieces 2 and 3 that over time can damage one or both pieces of the rotation assembly 1.
    [0055]
    [0056] In the support, and in the bushing, the state of the art there is a small jump in the area of connection between the lower support and the upper support, and in the connection of the inner and upper bushing. This jump causes a small collision between the support and the bushing during the rotation of the bushing which can damage both the support and the bushing over time.
    [0057]
    [0058] Neither in the inner housing 4 of the support 2 nor in the outer surface 3 'of the socket 3 of the invention is there any jump, a jump being understood as an interruption in the corresponding surface that results in a non-continuous surface, and therefore it is possible extend the life of the rotation assembly 1 of the invention.
    [0059]
    [0060] The outer surface 3 ’of the socket 3 and the surface of the inner housing 4 are toroidal. In the context of the invention, a toroidal surface is a surface that is part of a toroid generated by a closed flat curve that rotates around an axis of revolution, axis of revolution that coincides with the axis of rotation of the invention with the axis axial A. In a preferred embodiment, the toroidal surfaces are generated by an ellipse, that is, the closed flat curve from which the toroid is generated is an ellipse.
    [0061]
    [0062] In the preferred embodiment of the invention, the smaller diameter of the ellipse from which the outer toroidal surface 3 'of the socket 3 is generated is slightly smaller than the smaller diameter of the ellipse from which the toroidal surface is generated of interior housing 4 of the support 2. In this way, the rolling strip between the bushing 3 and the inner housing 4 is minimized and therefore, the friction between both components 3 and 4 is minimized during use.
    [0063]
    [0064] Alternatively, the toroidal surfaces 3 'and 4 of the bushing 3 and of the inner housing 4 could also be generated from a circle, also in this case being the diameter of the circle from which the outer surface 3' of the bushing is generated. 3 preferably slightly smaller than the diameter of the circle from which the toroidal surface of the inner housing 4 of the support 2 is generated.
    [0065]
    [0066] The inner housing 4 of the support 2, according to the preferred embodiment of the invention, comprises two diametrically opposed zones 5 with a diameter greater than the rest of the inner housing 4, as shown in Figure 2. Said widened zones 5 allow the Inserting the bushing 3 to the inner housing 4 of the support 2 in a position perpendicular to the working position of the bushing 3, as shown in Figure 4.
    [0067]
    [0068] In the non-limiting example of Figure 2, the diametrically opposite zones 5 of the inner housing 4 of the larger diameter support 2 are arranged on the sides of said housing 4 so that the insert 3 is allowed in a direction substantially parallel to the axial direction A of the rotation assembly 1, said bushing 3 lying or lying down. However, other locations of said zones 5 are also possible, for example in the upper and lower zone of the interior housing 4.
    [0069]
    [0070] The widened zones 5 are arranged in such a way that during the insertion of the bushing 3 into the inner housing 4, at an initial stage of the assembly only the outer surface 3 'of the bushing 3 and said widened zones 5 cooperate. When more or less half of the bushing 3 has been introduced, said bushing 3, preferably manually, is turned to move to the final working position where the outer surface 3 'of the bushing 3 is coupled with the rest of the housing surface 4 inside the support 2, as shown for example in figure 1. In this final position of the assembly, the outer diameter of the bushing 3 is adjusted to the dimensions of the inner housing 4, therefore the bushing 3 is axially retained in said final position, allowing a small clearance, less than 1 millimeter, to allow the bushing 3 to rotate with respect to the support 2 during its operation, which will be detailed later.
    [0071] The bushing 3 according to the preferred embodiment of the invention comprises a polygonal interior housing 6 capable of housing and retaining within it an element 7, preferably a longitudinal axis such as a torsion bar of a solar tracker, with the same polygonal shape. In the non-limiting example of the drawings, said polygonal shape comprises a square cross section, although it could also be circular or even pentagonal, hexagonal or octagonal. An example of the rotation assembly 1 of the invention mounted for use on a pillar 17 of a solar tracker is shown in Figure 10. As shown in said figure, the torsion bar 7 of the solar tracker passes through the rotation assembly 1 of the invention so that it is housed in the housing 6 of the bushing 3.
    [0072]
    [0073] Once the element 7 is inserted in the rotation assembly 1 of the invention it is not possible to reverse the process of assembling the bushing 3 in the support 2. That is, the element 7 prevents the bushing 3 from being rotated in reverse to return to the initial position of the assembly, so that the rotation assembly 1 is locked in the final working position ready for use.
    [0074]
    [0075] As shown in Figures 8, 9 and 10, the rotation assembly 1 of the invention can be fixed to an external fixed element, such as a pillar 17 of a solar tracker, for which the support 2 of the invention it comprises a base 9 comprising means for being able to be fixed to said external fixed element 17.
    [0076]
    [0077] The support 2 can be fixed directly on said external fixed element, for example the pillar 17 of a solar tracker, or through an intermediate element 16 joining the rotation assembly 1 of the invention and the external fixed element 17, as It is shown in Figure 10 and in Figures 8 and 9.
    [0078]
    [0079] Said base 9, as shown for example in FIG. 5, comprises a housing 20 on each side that allows connecting means to be connected to the intermediate element 16 or the external fixed element 17. In a non-limiting example, said joining means comprise a screw 12, a washer 13 and at least one nut 14 for each joining housing 20. As shown in Figure 8, each screw 12 passes through the housing 20 of the support 2 and a portion of the element to which it is to be attached, the intermediate element 16 or the external fixed element 17, fixing said joint with a respective washer 13 and a respective nut 14 that collaborate with the free end of the screw 12.
    [0080] The use of the intermediate element 16 makes it possible to align the longitudinal element 7 efficiently and comfortably, for example the torsion bar of a solar tracker, which will be fastened through a plurality of rotation assemblies 1, each fixed to its respective pillar. 17.
    [0081]
    [0082] As described throughout the description, the rotation assembly 1 of the invention is suitable for use in a solar tracker. Said solar tracker comprises a plurality of solar panels, not shown in the drawings, which are arranged one behind the other forming different rows. Each row of solar panels comprises a torsion bar 7 capable of rotating on its longitudinal axis driven by drive means 18, said torsion bar 7 being arranged on pillars 17, preferably anchored to the ground, through a plurality of assemblies. of rotation 1 according to the invention, distributed along the torsion bar 7.
    [0083]
    [0084] Once the different turning assemblies 1 are mounted on the torsion bar 7, at least one connecting rod 19 is fixed to the torsion bar 7 at the height of one of the pillars 17, preferably the central pillar 17 of the corresponding row, so that the connecting rod 19 and the torsion bar 7 move in solidarity. One end of the drive means 18, for example a linear actuator, cooperates with the connecting rod 19 which is integral with the torsion bar 7 and the other end is fixed to the corresponding pillar 17, as can be seen in Figure 10, so that by actuating said actuation means 18 they cause the torsion bar 7 to rotate.
    [0085]
    [0086] The support 2, according to the preferred embodiment of the invention, comprises an arcuate outer surface 10, preferably inverted U-shaped, which extends from the base 9.
    [0087]
    [0088] Optionally, the rotation assembly 1 of the invention may comprise a reinforcement 8 that is arranged on the support 2 such that said reinforcement 8 surrounds the arcuate outer surface 10, as shown for example in Figure 6.
    [0089]
    [0090] The reinforcement 8, as shown in Figure 7, also comprises an inverted U-shape, whereby it can easily follow the contour of the arcuate outer surface 10 of the support 2.
    [0091] In a non-limiting example, the reinforcement 8 comprises a circular cross-section, preferably solid, although it is not ruled out that it can also be hollow.
    [0092]
    [0093] When the rotation assembly 1 of the invention is used, for example, in a solar tracker, it is subjected to forces perpendicular to the axial direction A due to the impact exerted by the wind against the lower surface of the solar panels trying to raise said solar panels. , that is, it is subjected to tensile forces. The reinforcement 8 described reinforces the rotation assembly 1 of the invention, preventing it from breaking by traction due to the strong gusts of wind whipping against the solar panels.
    [0094]
    [0095] In a non-limiting example, the ends of said reinforcement 8 are threaded and can replace the screws 12 described above. In this case, the base 9 of the rotation assembly 1 of the invention is attached to the intermediate element 16, as shown in Figure 9, or directly to the external fixed element 17, for example the pillar of a solar tracker, to through the reinforcement 8, whose threaded ends pass through the respective housings 20, each end being fixed with a washer 13, a nut 14 and a locknut 14 '.
    [0096]
    [0097] As shown in Figure 7, the reinforcement 8 may comprise a stop 15 disposed at a certain height from each end, for example a nut. This stop simulates the head of a screw and prevents the reinforcement 8 from penetrating more than necessary.
    [0098]
    [0099] The arcuate outer surface 10 of the support 2 of the invention comprises at least one seat 11 comprising a recess 11 ’, preferably semi-circular, semi-elliptical or V-shaped, the reinforcement 8 being supported and guided in said recess 11 '. This seat 11 can be arranged for example in the highest area of the support 2.
    [0100]
    [0101] In a non-limiting example, the support 2 comprises five seats 11 distributed along the arched outer surface 10, as shown for example in Figure 2. Three of these seats 11 are arranged in the upper area of the support 2 , distributed uniformly and so that the central seat 11 is arranged in the highest area of the support 2. On each side of the support 1 another seat 11 can be arranged. The reinforcement 8 is supported on the slits 11 'of each seat 11 by therefore, with this configuration it is achieved that the reinforcement 8 is better supported and guided on the support 2.
    [0102] As can be seen in said figure 2, the described seats 11 protrude from the arcuate outer surface 10 of the support 2 in a radial direction.
    [0103]
    [0104] The support 2 and the bushing 3 described are preferably made of plastic and the reinforcement 8 can be metallic, preferably made of steel, or also of plastic. The plastic can be a plastic capable of withstanding the inclement weather (especially able to withstand changes due to moisture) and ultraviolet radiation.
    [0105]
    [0106]
    one
    权利要求:
    Claims (16)
    [1]
    1. Turn assembly for a solar tracker, comprising an outer support (2) with an inner housing (4), and an inner bushing (3) housed in said inner housing (4) of the support (2), the bushing being (3) configured to rotate in the inner housing (4) along an axial axis (A), characterized in that said bushing (3) comprises a toroidal outer surface (3 ') cooperating with a toroidal surface of the inner housing (4), said toroidal surfaces comprising a revolution axis that coincides with the axial axis (A), so that said bush (3) is allowed to rotate with respect to the support (2) along the axial axis (A), both being support (2) as the bushing (3) formed by a single piece.
    [2]
    2. Swing assembly according to claim 1, wherein the inner housing (4) of the support (2) comprises two diametrically opposed areas (5) with a diameter greater than the rest of the inner housing (4) so that the insertion of the bushing (3) into the support (2) in a position perpendicular to the working position of the bushing (3), and the subsequent rotation of the bushing (3) to accommodate it in said working position.
    [3]
    3. A rotation assembly according to claim 1 or 2, wherein the outer surface (3 ’) of the toroidal socket (3) and the toroidal surface of the inner housing (4) are generated by an ellipse.
    [4]
    4. Turning assembly according to claim 3, wherein the smaller diameter of the ellipse from which the outer toroidal surface (3 ') of the bushing (3) is generated is slightly smaller than the smaller diameter of the ellipse from from which the toroidal surface of the inner housing (4) of the support (2) is generated.
    [5]
    5. Swing assembly according to any of the preceding claims, wherein the bushing (3) comprises a polygonal inner housing (6) capable of housing and retaining within it an element (7), preferably a longitudinal axis, with the same shape polygonal.
    [6]
    6. Swing assembly according to any of the preceding claims, wherein the support (2) comprises a base (9) comprising means for being able to be fixed to an external fixed element, preferably a post or a pillar (17), and a surface arched exterior (10), preferably inverted U-shaped, extending from said base (9).
    [7]
    7. Swing assembly according to claim 6, which also comprises a reinforcement (8) disposed on the support (2) such that said reinforcement (8) surrounds the arcuate outer surface (10).
    [8]
    8. Swing assembly according to claim 7, wherein said reinforcement (8) comprises an inverted U-shape.
    [9]
    9. Swing assembly according to claim 7 or 8, wherein said reinforcement (8) comprises a circular cross-section.
    [10]
    10. Swing assembly according to any of claims 7 to 9, wherein the ends of said reinforcement (8) are threaded.
    [11]
    11. Swing assembly according to any of claims 7 to 10, wherein the arcuate outer surface (10) of the support (2) comprises at least one seat (11) comprising a groove (11 '), preferably in a semi-shaped manner. circular, semi-elliptical or V, the reinforcement (8) resting on said groove (11 ').
    [12]
    12. Swing assembly according to claim 11, wherein the arcuate outer surface (10) of the support (2) comprises a plurality of seats (11) disposed along said outer surface (10), the reinforcement (8) being supported by the grooves (11 ') of each seat (11).
    [13]
    13. Swing assembly according to claim 11 or 12, wherein each seat (11) protrudes from the outer surface (10) of the support (2) in a radial direction.
    [14]
    14. Turn assembly according to any of claims 7 to 13, wherein the support (2) and the bushing (3) are made of plastic and the reinforcement (8) is metallic, preferably made of steel, or plastic.
    [15]
    15. Solar tracker comprising a plurality of solar panels arranged in rows, each row of solar panels comprising a torsion bar (7) suitable for rotating on its longitudinal axis driven by actuating means, characterized in that the torsion bar (7 ) is arranged on pillars (17), preferably anchored to the ground, through a plurality of turning assemblies (1) according to any of claims 1 to 14 which are fixed to a respective pillar (17) and which allow the torsion bar (7) to rotate and consequently the solar panels.
    [16]
    16. Solar tracker according to claim 15, wherein the drive means comprise a linear actuator (18) that cooperates with the torsion bar (7) causing its rotation.
    one
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    同族专利:
    公开号 | 公开日
    ES2739673B2|2021-06-17|
    CO2019008384U1|2020-07-31|
    引用文献:
    公开号 | 申请日 | 公开日 | 申请人 | 专利标题
    US5219231A|1987-10-02|1993-06-15|Plastic Bearing Housing Australiasia Pty Ltd.|Split race bearing assemblies|
    US5265965A|1992-09-02|1993-11-30|Rexnord Corporation|Composite ball and socket bearing with convex outer surface|
    US20050196083A1|2002-10-26|2005-09-08|Dirk Maasch|Spherical plain bearing|
    US20070274618A1|2006-05-22|2007-11-29|Moxee Innovations Corporation|Split bearing and method of making the same|
    US20140010486A1|2012-07-06|2014-01-09|Paul R. Brewer|Integral spherical bearing and lug for aerospace applications|
    US20140140755A1|2012-11-22|2014-05-22|Grupo Clavijo Elt, S.L.|Swivel mount for solar tracker shafts|
    ES2587409A1|2015-04-24|2016-10-24|Tentusol, S.L.|Solar tracker adaptable to irregular terrain |
    KR20160144628A|2015-06-09|2016-12-19|썬트랙|Sun Tracker with a Single Axis|
    法律状态:
    2020-02-03| BA2A| Patent application published|Ref document number: 2739673 Country of ref document: ES Kind code of ref document: A1 Effective date: 20200203 |
    2021-06-17| FG2A| Definitive protection|Ref document number: 2739673 Country of ref document: ES Kind code of ref document: B2 Effective date: 20210617 |
    优先权:
    申请号 | 申请日 | 专利标题
    ES201830804A|ES2739673B2|2018-08-03|2018-08-03|Slewing set for solar tracker|ES201830804A| ES2739673B2|2018-08-03|2018-08-03|Slewing set for solar tracker|
    CONC2019/0008384U| CO2019008384U1|2018-08-03|2019-07-31|Swing set for solar tracker|
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