CN212677119U

CN212677119U - Photovoltaic tracking support mechanism suitable for sloping field terrain

Info

Publication number: CN212677119U
Application number: CN202021376617.0U
Authority: CN
Inventors: 谭强; 张敏; 陈潇聪
Original assignee: Jiangsu Zhenjiang New Energy Equipment Co ltd
Current assignee: Jiangsu Zhenjiang New Energy Equipment Co ltd
Priority date: 2020-07-14
Filing date: 2020-07-14
Publication date: 2021-03-09
Anticipated expiration: 2030-07-14

Abstract

The utility model discloses a photovoltaic tracking support mechanism adapting to sloping field topography, which comprises a main shaft, wherein a plurality of driving devices are sleeved on the main shaft, and the upper surface of the main shaft is detachably connected with a plurality of photovoltaic cell panels; the main shaft is also uniformly sleeved with a plurality of rotating devices, each rotating device comprises an upright post and a bearing seat, each main shaft bearing seat comprises a connecting plate, a bearing sleeve, an upper rolling seat and a lower rolling seat, and the upper rolling seat and the lower rolling seat are respectively arranged in the bearing sleeves and can roll in the bearing sleeves; the top surface of the upper rolling seat is spherical, two wedge-shaped supporting seats are symmetrically arranged on the bottom surface of the upper rolling seat, and the supporting seats are connected through an adjusting bolt; the bottom surface of the lower rolling seat is spherical, the lower rolling seat is provided with an open groove with the same width as the main shaft, and the main shaft penetrates through the open groove; the utility model discloses good to topography adaptability, structure operating condition is more excellent, improves tracker's adaptability and reliability, and adjustable clearance makes the structure clearance littleer simultaneously, has great promotion to the overall reliability of structure.

Description

Photovoltaic tracking support mechanism suitable for sloping field terrain

Technical Field

The utility model relates to a photovoltaic tracking field, specific saying so relates to a photovoltaic tracking gimbal mechanism of adaptation hillside fields topography.

Background

In order to enable the photovoltaic support to be installed on various sloping field terrains and ensure the safety and reliability of the structure, two implementation methods are mainly adopted in the industry at present:

1. the cylindrical surface plastic bearing is installed with the adapter; however, the plastic bearing only provides an axis rotation function, the function of rotating along the Y axis is realized by a plurality of adapter seats, the number of the adapter seats is large, the stress of structural load needs to be borne, and the adapter seats are heavy in design and inconvenient to install; and secondly, the adapter generally only provides rotation adjustment along the Y axis and cannot rotate along the X axis and the Y axis, and when the X axis and the Y axis are not coaxial, the rotating mechanism forms internal force on the main shaft.

2. The spherical plastic bearing is assembled with the spherical plastic bearing seat and then is connected with the mounting seat in a switching way; however, the inner ball plastic bearing is matched with the outer spherical surface plastic bearing, so that an axis included angle (which is smaller than a certain range according to design) of the main shaft in any direction of the axis is realized, but as a plastic product part, the load of a tracking support needs to be borne, the diameter of the outer plastic spherical surface bearing is increased, the head of the whole bearing part is very large, and in addition, as a plastic part, the shrinkage size tolerance is inevitable in the production and molding process, a gap exists in the spherical surface matching, the existence of the gap can cause the main shaft to have a large moving space in the Z-axis direction, and the vertical vibration of the main shaft is increased; if the clearance is too large, the inner spherical bearing can be separated from the outer spherical bearing, and potential safety hazards exist.

SUMMERY OF THE UTILITY MODEL

In order to overcome the defects, the utility model provides a photovoltaic tracking support mechanism adapted to the terrain of a sloping field.

A photovoltaic tracking support mechanism adaptive to sloping field topography comprises a main shaft, wherein a plurality of driving devices are sleeved on the main shaft, and the upper surface of the main shaft is detachably connected with a plurality of photovoltaic cell panels; the spindle is also uniformly sleeved with a plurality of rotating devices, each rotating device comprises an upright post and a bearing seat, each spindle bearing seat comprises a connecting plate, a bearing sleeve, an upper rolling seat and a lower rolling seat, the connecting plates are detachably connected with the upright posts, the top ends of the connecting plates are fixedly connected with the bearing sleeves, and the upper rolling seats and the lower rolling seats are respectively arranged inside the bearing sleeves and can roll in the bearing sleeves; the top surface of the upper rolling seat is spherical and is in contact with the inner wall of the bearing sleeve, two wedge-shaped supporting seats are symmetrically arranged on the bottom surface of the upper rolling seat and are connected through adjusting bolts, the adjusting bolts penetrate through the upper rolling seat, and the bottom ends of the wedge-shaped supporting seats are in contact with the upper surface of the main shaft; the bottom surface of the lower rolling seat is spherical, an opening groove with the same width as the main shaft is formed in the lower rolling seat, the main shaft penetrates through the groove, and the bottom surface of the main shaft is in contact with the bottom surface of the groove.

By the utility model discloses a preferred scheme, the axis of main shaft forms arbitrary contained angle in 15 with the bearing frame axis.

By the utility model discloses an optimal scheme, drive arrangement includes hydro-cylinder, fixed cover and two bearing frames, and the bearing frame sets up respectively at fixed cover both ends, and the main shaft passes bearing frame and fixed cover, and fixed cover includes two fixed plates, and two fixed plates pass through a plurality of fastening bolt and connect, and wherein the outside fixedly connected with connecting rod of a fixed plate, connecting rod and hydro-cylinder sliding connection.

By the utility model discloses an optimal scheme, the wedge supporting seat includes swash plate, otic placode and two backup pads, and otic placode fixed connection is at the swash plate tail end, and fixed connection is at the swash plate both ends respectively for the backup pad, and adjusting bolt passes the otic placode in proper order, rolls behind the seat and the otic placode of another wedge supporting seat is connected.

By the utility model discloses a preferred scheme, it has a plurality of cavities that extend to inside to roll a bottom surface and roll a top surface down to roll on the seat respectively.

The utility model has the advantages that:

1. the spherical contact pair transmission of the upper rolling seat and the lower rolling seat has better terrain adaptability to the tracking bracket and better structural operation condition, and improves the adaptability and reliability of the tracking system;

2. the carbon steel spherical bearing sleeve is adopted for installation, so that the overall size of the structure is more compact, the strength is ensured, and the structural reliability is easier to ensure; the material quantity is few, and is also more frivolous, reduces the installation degree of difficulty equally, improves the installation effectiveness.

3. The installation is carried out in a clearance elimination mode, the structural clearance is smaller, and the overall reliability of the structure is greatly improved.

Drawings

The invention will now be described, by way of example, with reference to the accompanying drawings, in which:

fig. 1 is a schematic structural diagram of the present invention:

FIG. 2 is an enlarged view of a portion of FIG. 1;

FIG. 3 is an enlarged view of a portion B of FIG. 1;

FIG. 4 is a view of a coupling structure of the spindle and the bearing housing;

FIG. 5 is a view of the interior of the bearing housing;

FIG. 6 is a view showing a coupling structure of the upper roller and the main shaft;

FIG. 7 is a schematic structural view of a wedge-shaped support seat;

wherein: photovoltaic cell board 1, rotating device 2, drive arrangement 3, main shaft 4, stand 5, bearing frame 6, fixed cover 7, connecting rod 8, hydro-cylinder 9, connecting plate 10, roll seat 11 down, bearing housing 12, roll seat 13 on, wedge supporting seat 14, adjusting bolt 15, cavity 16, otic placode 17, backup pad 18, swash plate 19.

Detailed Description

The present invention will now be described in further detail with reference to the accompanying drawings. The figures are simplified schematic diagrams illustrating the basic structure of the invention in a schematic way only, and therefore they show only the components relevant to the invention.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "both ends", "one end", "the other end", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element to be referred must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted", "provided", "connected", and the like are to be construed broadly, such as "connected", which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; the two components can be directly connected or indirectly connected through an intermediate medium, the two components can be communicated with each other inside, the fixed connection can be welding, gluing and the like, and for those skilled in the art, the specific meaning of the terms in the present invention can be understood according to specific situations.

As shown in fig. 1, a photovoltaic tracking support mechanism adapted to sloping field topography comprises a main shaft 4, wherein a plurality of driving devices 3 are sleeved on the main shaft 4, and the upper surface of the main shaft 4 is detachably connected with a plurality of photovoltaic cell panels 1 through bolts; the mechanism is adapted to the slope shape and meets the maximum discharge efficiency, so that the main shaft 4 rotates through the driving device 3, the photovoltaic cell panel 1 can track the sunlight and is always perpendicular to the sunlight, and the maximum discharge efficiency is obtained.

As shown in fig. 2, the spindle 4 is further uniformly sleeved with a plurality of rotating devices 2, each rotating device 2 comprises an upright post 5 and a bearing seat 6, each bearing seat 6 of the spindle 4 comprises a connecting plate 10, a bearing sleeve 12, an upper rolling seat 13 and a lower rolling seat 11, the connecting plate 10 is detachably connected with the upright post 5, the top end of the connecting plate 10 is fixedly connected with the bearing sleeve 12, and the upper rolling seat 13 and the lower rolling seat 11 are respectively arranged inside the bearing sleeve 12 and can roll in the bearing sleeve 12; the bearing seat 6 is supported by the upright post 5, so when the driving device 3 drives the main shaft 4, the rotating device 2 sleeved at each position of the main shaft 4 can play a role in supporting rotation, and the stability of the whole mechanism is further improved.

As shown in fig. 4-6, the top surface of the upper roller 13 is spherical and contacts with the inner wall of the bearing housing 12, two wedge-shaped support seats 14 are symmetrically arranged on the bottom surface of the upper roller 13, the support seats are connected through an adjusting bolt 15, the adjusting bolt 15 penetrates through the upper roller 13, and the bottom ends of the wedge-shaped support seats 14 contact with the upper surface of the main shaft 4; the bottom surface of the lower rolling seat 11 is spherical, the lower rolling seat 11 is provided with an opening groove with the same width as the main shaft 4, the main shaft 4 penetrates through the groove, and the bottom surface of the main shaft 4 is contacted with the bottom surface of the groove; the upper rolling seat 13 and the lower rolling seat 11 are made of plastic materials, and the bearing sleeve 12 is made of carbon steel materials, so that the strength can be ensured; the top surface of the upper rolling seat 13 is spherical, the bottom surface of the lower rolling seat 11 is spherical, so that the installation of a spherical bearing contact pair can be realized, the upper rolling seat 13 and the lower rolling seat 11 can form a hinged structure of a joint bearing pair, the main shaft 4 can freely rotate for 360 degrees along the axis of the main shaft 4, and the function that the main shaft 4 drives the photovoltaic cell panel 1 to rotate can be met; meanwhile, the wedge-shaped supporting seat 14 arranged on the bottom surface of the upper rolling seat 13 is used for eliminating the gap between the upper rolling seat 13 and the bearing sleeve 12 by adjusting the adjusting bolt 15, so that the upper rolling seat 13 and the lower rolling seat 11 in the bearing sleeve 12 can be prevented from rolling out of the bearing sleeve 12, and potential safety hazards are eliminated.

The central axis of the main shaft 4 and the central axis of the bearing seat 6 form an arbitrary included angle within 15 degrees; the upper roller seat 13 and the lower roller seat 11 can be prevented from being locked with the bearing sleeve 12 and being incapable of rolling.

As shown in fig. 3, the driving device 3 includes an oil cylinder 9, a fixing sleeve 7 and two bearing seats 6, the bearing seats 6 are respectively disposed at two ends of the fixing sleeve 7, the main shaft 4 passes through the bearing seats 6 and the fixing sleeve 7, the fixing sleeve 7 includes two fixing plates, the two fixing plates are connected by a plurality of fastening bolts, one of the fixing plates is fixedly connected with a connecting rod 8, and the connecting rod 8 is slidably connected with the oil cylinder 9; open connecting rod 8 bottom has the spout, and 9 head fixedly connected with of hydro-cylinder and spout complex slider, so hydro-cylinder 9 at the during operation, jacking or pull-down connecting rod 8, connecting rod 8 can drive fixed cover 7 and then drive main shaft 4 and rotate, and then realize that photovoltaic cell panel 1 trails the rotation function of sunlight.

As shown in fig. 7, the wedge-shaped support seat 14 includes an inclined plate 19, an ear plate 17 and two support plates 18, the ear plate 17 is fixedly connected to the tail end of the inclined plate 19, the support plates 18 are respectively and fixedly connected to two ends of the inclined plate 19, and the adjusting bolt 15 sequentially penetrates through the ear plate 17 and the upper roller 13 and then is connected to the ear plate 17 of another wedge-shaped support seat 14; the supporting plate 18 is in surface contact with the upper surface of the main shaft 4, when the adjusting bolt 15 is adjusted, the two symmetrical wedge-shaped supporting seats 14 move oppositely or away from each other, so that the supporting height of the inclined plate 19 for the upper rolling seat 13 is adjusted, the installation or elimination of the installation gap between the upper rolling seat 13 and the bearing sleeve 12 can be facilitated, and the purpose of eliminating potential safety hazards is achieved.

The bottom surface of the upper rolling seat 13 and the top surface of the lower rolling seat 11 are respectively provided with a plurality of concave cavities 16 extending to the inside; the upper roller seat 13 and the lower roller seat 11 are made of plastic materials, so that the concave cavity 16 can save materials and reduce cost, and the tolerance effect of the upper roller seat 13 and the lower roller seat 11 can be enhanced by forming the concave cavity 16, so that the upper roller seat 13 and the lower roller seat 11 cannot be damaged by internal force.

In light of the above, the present invention is not limited to the above embodiments, and various changes and modifications can be made by the worker without departing from the scope of the present invention. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.

Claims

1. A photovoltaic tracking support mechanism adaptive to sloping field landform comprises a main shaft (4), wherein a plurality of driving devices (3) are sleeved on the main shaft (4), and the upper surface of the main shaft (4) is detachably connected with a plurality of photovoltaic cell panels (1); the method is characterized in that: the spindle (4) is further uniformly sleeved with a plurality of rotating devices (2), each rotating device (2) comprises an upright post (5) and a bearing seat (6), each bearing seat (6) of the spindle (4) comprises a connecting plate (10), a bearing sleeve (12), an upper rolling seat (13) and a lower rolling seat (11), the connecting plates (10) are detachably connected with the upright posts (5), the top ends of the connecting plates (10) are fixedly connected with the bearing sleeves (12), and the upper rolling seats (13) and the lower rolling seats (11) are respectively arranged inside the bearing sleeves (12) and can roll in the bearing sleeves (12); the top surface of the upper rolling seat (13) is spherical and is in contact with the inner wall of the bearing sleeve (12), two wedge-shaped supporting seats (14) are symmetrically arranged on the bottom surface of the upper rolling seat (13), the supporting seats are connected through adjusting bolts (15), the adjusting bolts (15) penetrate through the upper rolling seat (13), and the bottom ends of the wedge-shaped supporting seats (14) are in contact with the upper surface of the main shaft (4); the bottom surface of the lower rolling seat (11) is spherical, an opening groove with the same width as the main shaft (4) is formed in the lower rolling seat (11), the main shaft (4) penetrates through the groove, and the bottom surface of the main shaft (4) is contacted with the bottom surface of the groove.

2. The photovoltaic tracking support mechanism adapted to sloping field terrain according to claim 1, characterized in that: and the central axis of the main shaft (4) and the central axis of the bearing seat (6) form any included angle within 15 degrees.

3. The photovoltaic tracking support mechanism adapted to sloping field terrain according to claim 1, characterized in that: drive arrangement (3) include hydro-cylinder (9), fixed cover (7) and two bearing frame (6), and bearing frame (6) set up respectively at fixed cover (7) both ends, and bearing frame (6) and fixed cover (7) are passed in main shaft (4), and fixed cover (7) include two fixed plates, and two fixed plates pass through a plurality of fastening bolt and connect, and wherein the outside fixedly connected with connecting rod (8) of a fixed plate, connecting rod (8) and hydro-cylinder (9) sliding connection.

4. The photovoltaic tracking support mechanism adapted to sloping field terrain according to claim 1, characterized in that: wedge supporting seat (14) include swash plate (19), otic placode (17) and two backup pads (18), and otic placode (17) fixed connection is at swash plate (19) tail end, and backup pad (18) fixed connection is at swash plate (19) both ends respectively, and adjusting bolt (15) pass otic placode (17) in proper order, roll seat (13) back and otic placode (17) connection of another wedge supporting seat (14).

5. The photovoltaic tracking support mechanism adapted to sloping field terrain according to claim 1, characterized in that: the bottom surface of the upper rolling seat (13) and the top surface of the lower rolling seat (11) are respectively provided with a plurality of concave cavities (16) extending to the inside.