Photovoltaic tracking support adaptive to terrain gradient

Abstract

The utility model relates to the technical field of photovoltaic tracking supports, in particular to a photovoltaic tracking support adaptive to terrain gradient, which comprises a plurality of support frames, and connecting frames are fixedly connected to the front sides and the rear sides of the support frames in a threaded manner. The worm and gear speed reducer is started to drive the ball cage type constant velocity universal coupling to rotate, so that the star-shaped sleeve in the ball cage type constant velocity universal coupling rotates in the bell housing, the steel balls roll between the first arc-shaped groove and the corresponding second arc-shaped groove, and meanwhile, the star-shaped sleeve can drive the bell housing to rotate through the steel balls; the bell-shaped shell drives the circular support to rotate through the circular pipe, and the starlike sleeve drives the circular support at the other end to rotate synchronously through the connecting seat, so that the photovoltaic tracking support can effectively and automatically adjust the angle of the photovoltaic panel according to the gradient of the terrain, the power generation efficiency is improved, the requirement for the field flatness in the installation process is low, and the photovoltaic tracking support can be applied to complex terrains. Meanwhile, a traditional tracking support is high in wind resistance under complex terrains, and potential safety hazards do not exist.

Description

TECHNICAL FIELD

[0001] The utility model relates to photovoltaic tracking support technical field, concretely to a photovoltaic tracking support of adaptation topography gradient. BACKGROUND

[0002] The current common photovoltaic tracking support technology is mainly divided into single-axis tracking and double-axis tracking, the single-axis tracking support can usually rotate around an axis, can follow the east-west or north-south movement track of sun to some extent, rotates the support by transmission device such as motor, gear to adjust the angle of photovoltaic panel, improves the light receiving efficiency.Double-axis tracking support can rotate around two axes simultaneously, can more accurately aim at the sun, its structure is relatively complex, generally consists of slewing bearing, drive mechanism, controller and other components, utilizes sensor real-time monitoring solar position information, controls drive mechanism to drive photovoltaic panel to adjust in azimuth and elevation angle after controller calculation.

[0003] However, these conventional tracking supports are mostly based on flat terrain in design, and the influence of complex topography gradient is not fully considered, when the existing tracking support is installed in mountainous, hilly and other terrain, it is difficult to automatically and accurately adjust the angle of photovoltaic panel according to the actual gradient, and it cannot guarantee that the photovoltaic panel is always perpendicular to the sunlight, resulting in a significant reduction in power generation efficiency, the wind condition under complex terrain is complex and changeable, the traditional tracking support is not optimized in structure design according to the topography gradient, under the action of strong wind, the wind load is unevenly distributed, which is easy to make the support locally stressed too much, and deformation, damage or even collapse, the structure connecting parts and supporting components are subjected to long-term uneven wind load, and the fatigue damage is aggravated, which reduces the service life and reliability of the support, therefore, we propose a photovoltaic tracking support for solving the above problems. CONTENT OF UTILITY MODEL

[0004] The utility model aims at providing a photovoltaic tracking support for solving the problems in the above background technology.

[0005] To achieve the above object, the utility model provides the following technical scheme: a photovoltaic tracking support for solving the problems in the above background technology.

[0006] Further preferably, a plurality of first arc-shaped grooves are equidistantly arranged on the outer side of the star-shaped sleeve, and a plurality of second arc-shaped grooves are equidistantly arranged on the inner side of the bell-shaped shell.

[0007] Further preferably, a steel ball is in rolling contact between the first arc-shaped groove and the corresponding second arc-shaped groove.

[0008] Further preferably, the circular support is threadedly mounted with the circular pipe by bolts.

[0009] Further preferably, a connecting seat is fixedly connected to the outer side of the star-shaped sleeve, and a first flange is fixedly connected to the outer side of the connecting seat.

[0010] Further preferably, a second flange is fixedly connected to the end of the circular support, and the first flange and the second flange are mounted by bolts.

[0011] Further preferably, a circular sleeve is threadedly mounted on the top of the connecting frame by bolts, and the circular sleeve is sleeved on the outer side of the circular support.

[0012] Compared with the prior art, the helical gear reducer drives the ball cage constant velocity universal joint to rotate, so that the star-shaped sleeve in the ball cage constant velocity universal joint rotates in the bell-shaped shell, the steel ball rolls between the first arc-shaped groove and the corresponding second arc-shaped groove, the star-shaped sleeve can drive the bell-shaped shell to rotate through the steel ball, the bell-shaped shell drives the circular support to rotate through the circular pipe, the star-shaped sleeve drives the other end of the circular support to synchronously rotate through the connecting seat, the photovoltaic tracking support can effectively automatically adjust the angle of the photovoltaic panel according to the terrain slope, the power generation efficiency is improved, the site flatness requirement is low during installation, the photovoltaic tracking support can be applied to complex terrain, the traditional tracking support has high wind resistance in complex terrain, and there is no safety hazard. BRIEF DESCRIPTION OF DRAWINGS

[0013] Figure 1 is a front view of the utility model;

[0014] Figure 2 is a bottom view of the utility model;

[0015] Figure 3 is Figure 1 is an enlarged view of the A area in the utility model;

[0016] Figure 4 is a view of the bell-shaped shell and the star-shaped sleeve separated from each other in the utility model.

[0017] In the figure: 1, support frame; 2, connecting frame; 3, fixed frame; 4, worm gear reducer; 5, ball cage type constant velocity universal coupling; 6, bell-shaped shell; 7, star-shaped sleeve; 8, first arc-shaped groove; 9, second arc-shaped groove; 10, steel ball; 11, circular pipe; 12, circular support; 13, connecting seat; 14, first flange; 15, second flange; 16, circular sleeve. DETAILED DESCRIPTION

[0018] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor belong to the protection scope of the utility model.

[0019] EMBODIMENT

[0020] Please refer to Figures 1-4 The utility model provides a kind of technical scheme: a photovoltaic tracking support suitable for topography gradient, including multiple support frames 1, the front side and rear side of support frame 1 are threadedly fixedly connected with connecting frame 2, the top of corresponding group of connecting frame 2 is threadedly installed with fixed frame 3, the top of fixed frame 3 is threadedly fixedly installed with worm gear reducer 4, the output end of worm gear reducer 4 is fixedly connected with ball cage type constant velocity universal coupling 5, ball cage type constant velocity universal coupling 5 includes bell-shaped shell 6, star-shaped sleeve 7 is rolled in the inside of bell-shaped shell 6, the outside of bell-shaped shell 6 is fixedly connected with circular pipe 11, circular pipe 11 is equipped with circular support 12 outside, start worm gear reducer 4 to drive ball cage type constant velocity universal coupling 5 rotation, so that star-shaped sleeve 7 in the inside of ball cage type constant velocity universal coupling 5 rotates in bell-shaped shell 6, steel ball 10 rolls between first arc-shaped groove 8 and corresponding second arc-shaped groove 9, while star-shaped sleeve 7 can drive bell-shaped shell 6 to rotate by steel ball 10, bell-shaped shell 6 drives circular support 12 to rotate by circular pipe 11, star-shaped sleeve 7 drives another end circular support 12 synchronous rotation by connecting seat 13, so that photovoltaic tracking support can effectively adjust photovoltaic panel angle according to topography gradient, improve power generation efficiency, the requirement of site flatness is low in installation process, it can be applied in complex terrain, while traditional tracking support has high wind resistance in complex terrain, there is no security risk.

[0021] In the embodiment, specifically: the outside of star-shaped sleeve 7 is provided with a plurality of first arc-shaped grooves 8 at equal intervals, and the inside of bell-shaped shell 6 is provided with a plurality of second arc-shaped grooves 9 at equal intervals.

[0022] In the embodiment, specifically: the first arc-shaped groove 8 and the corresponding second arc-shaped groove 9 are in rolling contact with the steel ball 10.

[0023] In this embodiment, specifically: the circular support 12 is screwed with the circular pipe 11 by bolts;

[0024] In this embodiment, specifically: the outer side of the star-shaped sleeve 7 is fixedly connected with a connecting seat 13, and the outer side of the connecting seat 13 is fixedly connected with a first flange 14;

[0025] In this embodiment, specifically: the end of the circular support 12 is fixedly connected with a second flange 15, and the first flange 14 and the second flange 15 are installed by bolts;

[0026] In this embodiment, specifically: the top of the connecting frame 2 is screwed with a circular sleeve 16 by bolts, and the circular sleeve 16 is sleeved on the outer side of the circular support 12.

[0027] The utility model discloses a kind of photovoltaic tracking supports, including circular support 12, connecting frame 2, circular pipe 11, worm gear reducer 4, ball cage constant velocity universal joint 5, clock shell 6, first arc-shaped groove 8, second arc-shaped groove 9, steel ball 10 and star-shaped sleeve 7, circular support 12 is fixedly connected with connecting frame 2, connecting frame 2 is fixedly connected with circular pipe 11, worm gear reducer 4 is fixedly connected with ball cage constant velocity universal joint 5, ball cage constant velocity universal joint 5 is fixedly connected with clock shell 6, clock shell 6 is fixedly connected with first arc-shaped groove 8, second arc-shaped groove 9 is fixedly connected with steel ball 10, steel ball 10 is fixedly connected with star-shaped sleeve 7. When working: when using, circular support 12 is installed in mountain, hilly topography by multiple supporting frames 1, when needing to automatically and accurately adjust photovoltaic panel angle according to actual slope, i. e. adjusting the rotation angle of circular support 12, guaranteeing that photovoltaic panel is always perpendicular to sunlight, start worm gear reducer 4, the output end of worm gear reducer 4 drives ball cage constant velocity universal joint 5 to rotate, so that star-shaped sleeve 7 inside ball cage constant velocity universal joint 5 rotates in clock shell 6, steel ball 10 rolls between first arc-shaped groove 8 and corresponding second arc-shaped groove 9, while star-shaped sleeve 7 can drive clock shell 6 to rotate by steel ball 10, clock shell 6 drives circular support 12 to rotate by circular pipe 11, star-shaped sleeve 7 drives another end circular support 12 to rotate synchronously by connecting seat 13, by the ball cage constant velocity universal joint 5 of being set, due to its structural principle, it can realize complete constant velocity transmission, can inhibit the adverse effects of various vibrations and impacts generated by speed and torque changes on associated equipment, ball cage constant velocity universal joint 5 can simultaneously realize rotation and slip, so it can absorb harmful vibration and impact to associated transmission equipment, and protect the system, ball cage constant velocity universal joint 5 is strictly dynamically balanced under high speed, when transmission torque suddenly changes, ball cage constant velocity universal joint 5 will not fly out the broken fragments, overload protection device can cut off power transmission, protect personnel safety, thereby form a kind of photovoltaic tracking support that adapts to topography slope, so that photovoltaic tracking support can effectively adjust photovoltaic panel angle according to topography slope, improve power generation efficiency, the requirement of site flatness is low in installation process, can be applied in complex topography, while traditional tracking support has high wind resistance under complex topography, and there is no security risk.

[0028] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirits of the utility model, and the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A photovoltaic tracking support adapted to the slope of the terrain, comprising a plurality of support frames (1), characterized in that: The front side and the back side of the support frame (1) are fixedly connected with connecting frames (2) in a threaded mode, the top of a corresponding set of connecting frames (2) is provided with a fixed frame (3) in a threaded mode, the top of the fixed frame (3) is provided with a worm gear speed reducer (4) in a threaded mode, the output end of the worm gear speed reducer (4) is fixedly connected with a ball cage type constant velocity universal joint (5), the ball cage type constant velocity universal joint (5) comprises a bell-shaped shell (6), a star-shaped sleeve (7) is sleeved on the inner side of the bell-shaped shell (6) in a rolling mode, a circular tube (11) is fixedly connected to the outer side of the bell-shaped shell (6), and a circular support (12) is sleeved on the outer side of the circular tube (11).

2. A photovoltaic tracking support that adapts to the slope of the terrain according to claim 1, characterized in that: A plurality of first arc-shaped grooves (8) are formed on the outer side of the star-shaped sleeve (7) at equal intervals, and a plurality of second arc-shaped grooves (9) are formed on the inner side of the bell-shaped shell (6) at equal intervals.

3. A photovoltaic tracking support that accommodates terrain slope according to claim 2, characterized in that: Steel balls (10) are in rolling contact between the first arc-shaped grooves (8) and the corresponding second arc-shaped grooves (9).

4. A photovoltaic tracking support that accommodates terrain slope according to claim 3, characterized in that: The circular support (12) is provided with the circular tube (11) in a threaded mode through bolts.

5. A photovoltaic tracking support that accommodates terrain slope according to claim 4, characterized in that: The outer side of the star-shaped sleeve (7) is fixedly connected with a connecting seat (13), and the outer side of the connecting seat (13) is fixedly connected with a first flange (14).

6. A photovoltaic tracking support that accommodates terrain slope according to claim 5, characterized in that: The end of the circular support (12) is fixedly connected with a second flange (15), and the first flange (14) and the second flange (15) are installed through bolts.

7. A photovoltaic tracking support that accommodates terrain slope according to claim 6, characterized in that: The top of the connecting frame (2) is provided with a circular sleeve (16) in a threaded mode through bolts, and the circular sleeve (16) is sleeved on the outer side of the circular support (12).

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