CN114079423A

CN114079423A - Tracking support system and photovoltaic power generation device

Info

Publication number: CN114079423A
Application number: CN202111104075.0A
Authority: CN
Inventors: 张纯阳; 全鹏; 冯志强
Original assignee: Trina Solar Co Ltd
Current assignee: Trina Solar Co Ltd
Priority date: 2021-09-18
Filing date: 2021-09-18
Publication date: 2022-02-22

Abstract

The invention relates to the technical field of photovoltaic power generation, in particular to a tracking support system and a photovoltaic power generation device. This trail mounting system includes the rotating main shaft, the rotation driving subassembly and a plurality of support post, the rotating main shaft extends along the first direction, a plurality of support posts are arranged and support the rotating main shaft jointly along the first direction interval, the rotating main shaft is used for driving photovoltaic module and rotates, the rotation driving subassembly sets up on the rotating main shaft and is used for driving the rotating main shaft and rotates, the rotation driving subassembly includes slewing bearing and cover and establishes the outside rotation shell of slewing bearing, the slewing bearing cover is established on the rotating main shaft and is fixed on the support post, it can rotate for slewing bearing along with the rotating main shaft to rotate the shell. The photovoltaic power generation device can make full use of the installation space of the tracking support system for the photovoltaic component by applying the tracking support system, and the utilization rate of the installation space of the tracking support system is improved, so that the installation amount of the tracking support system for the photovoltaic component is increased.

Description

Tracking support system and photovoltaic power generation device

Technical Field

The invention relates to the technical field of photovoltaic power generation, in particular to a tracking support system and a photovoltaic power generation device.

Background

Photovoltaic power generation device is one of the most leading solar energy utilization form at present, in order to improve photovoltaic power generation device's generated energy and economic benefits, adopts tracking support system to support fixed photovoltaic module usually, and tracking support system carries out rotation regulation through tracking controller to tracking support system's angle for the sunlight shines on photovoltaic module as far as possible perpendicularly, guarantees that photovoltaic module can accept more illumination, thereby promotes the generating efficiency.

The existing tracking support system generally comprises a rotating main shaft, a rotary driving assembly and a plurality of supporting stand columns, wherein the rotating main shaft extends along a first direction, the supporting stand columns are arranged at intervals along the first direction and jointly support the rotating main shaft, and the rotary driving assembly is arranged on the rotating main shaft and used for driving the rotating main shaft to rotate, so that the rotating main shaft drives a photovoltaic assembly to rotate. Because the shell of the rotary driving assembly is usually sleeved on the rotary main shaft and fixed on the supporting stand column, in order to prevent the rotary driving assembly from interfering the rotation of the photovoltaic assembly, the installation of the photovoltaic assembly on the tracking support system needs to avoid the installation position of the rotary driving assembly on the rotary main shaft, and the installation amount of the photovoltaic assembly on the tracking support system is reduced.

Therefore, it is desirable to provide a tracking bracket system and a photovoltaic power generation device to solve the above problems.

Disclosure of Invention

The invention aims to provide a tracking support system and a photovoltaic power generation device, which can make full use of the installation space of the tracking support system on a photovoltaic component and improve the installation amount of the tracking support system on the photovoltaic component.

In order to achieve the purpose, the invention adopts the following technical scheme:

a tracking support system comprises a rotating main shaft and a plurality of supporting columns, wherein the rotating main shaft extends along a first direction, the supporting columns are arranged at intervals along the first direction and jointly support the rotating main shaft, the rotating main shaft is used for driving a photovoltaic module to rotate, and the tracking support system further comprises:

the rotary driving assembly is arranged on the rotary main shaft and is configured to drive the rotary main shaft to rotate, the rotary driving assembly comprises a rotary support and a rotary shell sleeved outside the rotary support, the rotary support is sleeved on the rotary main shaft and fixed on the support upright post, and the rotary shell can rotate along with the rotary main shaft relative to the rotary support.

Preferably, the slewing drive assembly comprises a main slewing assembly and a plurality of slave slewing assemblies, the main slewing assembly comprises a main slewing bearing and a main rotating shell rotatably sleeved outside the main slewing bearing, and the main slewing bearing is sleeved on the rotating main shaft and fixed on one of the support columns;

the auxiliary slewing assembly comprises an auxiliary slewing bearing and an auxiliary slewing shell sleeved outside the auxiliary slewing bearing in a rotating mode, the auxiliary slewing bearing corresponds to the rest of the supporting stand columns one by one, and the auxiliary slewing bearing is sleeved on the rotating main shaft and fixed on the corresponding supporting stand columns;

the master slewing assembly and the plurality of slave slewing assemblies are configured to synchronously drive the rotary spindle in rotation.

Preferably, the tracking support system further comprises:

the transmission assembly comprises a transmission rod, the transmission rod extends along the first direction, a first main output shaft extends out of two ends of the main rotating shell, the first main output shaft is fixedly connected with the transmission rod, a second main output shaft is further arranged on the main rotating shell, and the second main output shaft is fixedly connected with the rotating main shaft;

and secondary input shafts extend out of two ends of the secondary rotating shell, the secondary input shafts are fixedly connected with the transmission rods, and secondary output shafts of the secondary rotating assemblies are fixedly connected with the rotating main shaft.

Preferably, a driving motor is arranged on the main rotating assembly, and the driving motor is configured to drive the first main output shaft and the second main output shaft to rotate.

Preferably, the transmission assembly further comprises:

the transmission connecting pieces are arranged at intervals along the first direction and are configured to fixedly connect the transmission rod with the rotating main shaft.

Preferably, the transmission connecting member includes:

the connecting plate is sleeved and fixed on the transmission rod; and

a U-shaped fastener configured to secure the connecting plate to the rotating spindle.

Preferably, the support pillar includes:

a column body;

the first connecting seat is fixed at the end part of the upright post main body; and

and one end of the second connecting seat is fixed with the first connecting seat, and the other end of the second connecting seat is fixed with the slewing bearing.

Preferably, the first connecting seat includes a first fixing plate, a second fixing plate and a first reinforcing rib, the first fixing plate is fixed to the column main body, the second fixing plate is connected to the first fixing plate, and the first reinforcing rib is fixed between the first fixing plate and the second fixing plate;

the second connecting seat comprises a third fixing plate, a fourth fixing plate and a second reinforcing rib, the third fixing plate is attached to and fixed with the second fixing plate, the fourth fixing plate is connected with the third fixing plate, the fourth fixing plate is fixed with the slewing bearing, and the second reinforcing rib is fixed between the third fixing plate and the fourth fixing plate.

Preferably, the tracking support system further comprises:

and the supporting component is fixed on the rotating main shaft and used for supporting and fixing the photovoltaic component.

As preferred scheme, the supporting component includes two sets of edges photovoltaic module width direction sets up side by side's triangular supports frame, triangular supports frame includes:

the supporting beam is used for supporting and fixing the photovoltaic module;

the two ends of the supporting cross beam are connected with the supporting oblique beams; and

and the fixed block is fixed on the rotating main shaft, and the free end of the supporting oblique beam is fixed with the fixed block.

A photovoltaic power generation apparatus comprising a tracking mount system as described above.

The invention has the beneficial effects that:

the invention provides a tracking bracket system.A rotary driving assembly comprises a rotary support and a rotary shell sleeved outside the rotary support, wherein the rotary support is sleeved on a rotary main shaft and fixed on a supporting upright post, and when the rotary driving assembly drives the rotary main shaft to drive a photovoltaic assembly to rotate, the rotary shell can synchronously rotate relative to the rotary support along with the rotary main shaft. The installation of photovoltaic module on tracking support system need not to dodge the installation position of gyration drive assembly on rotatory main shaft for this mode of setting up, can make full use of tracking support system to photovoltaic module's installation space, improves the utilization ratio of tracking support system installation space to improve the installation volume of tracking support system to photovoltaic module.

The invention also provides a photovoltaic power generation device, and the photovoltaic module is mounted on the tracking support system without avoiding the mounting position of the rotary driving assembly on the rotary main shaft by applying the tracking support system, so that the mounting space of the tracking support system on the photovoltaic module can be fully utilized, the utilization rate of the mounting space of the tracking support system is improved, and the mounting amount of the tracking support system on the photovoltaic module is increased.

Drawings

Fig. 1 is a schematic structural diagram of a photovoltaic power generation apparatus provided in an embodiment of the present invention;

fig. 2 is a schematic structural diagram of a photovoltaic module driven by a tracking support system according to an embodiment of the present invention to adjust rotation;

fig. 3 is a schematic structural diagram ii of a photovoltaic power generation apparatus according to an embodiment of the present invention;

FIG. 4 is a schematic structural diagram of a portion of a photovoltaic power generation apparatus provided by an embodiment of the present invention;

FIG. 5 is a schematic structural diagram of a main rotating assembly provided in an embodiment of the present invention;

FIG. 6 is a schematic structural diagram of a slave swivel assembly provided by an embodiment of the present invention;

fig. 7 is a partially enlarged view of a portion a in fig. 4.

In the figure:

100. tracking the gantry system; 200. a photovoltaic module;

1. supporting the upright post; 11. a column body; 12. a first connecting seat; 121. a first fixing plate; 122. a second fixing plate; 123. a first reinforcing rib; 13. a second connecting seat; 131. a third fixing plate; 132. a fourth fixing plate; 133. a second reinforcing rib;

2. rotating the main shaft; 21. hooping;

3. a swing drive assembly; 31. a main rotating assembly; 311. a main slewing bearing; 312. a main rotating housing; 3121. a first main output shaft; 313. a drive motor; 32. a slave slewing assembly; 321. a slave slewing bearing; 322. rotating the housing; 3221. from the input shaft;

4. a transmission assembly; 41. a transmission rod; 42. a transmission connection member; 421. a connecting plate; 422. a U-shaped fastener;

5. a support assembly; 51. a triangular support frame; 511. a support beam; 512. supporting the oblique beam; 513. and (5) fixing blocks.

Detailed Description

In order to make the technical problems solved, the technical solutions adopted and the technical effects achieved by the present invention clearer, the technical solutions of the present invention are further described below by way of specific embodiments with reference to the accompanying drawings.

In the description of the present invention, unless expressly stated or limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, e.g., as meaning permanently connected, removably connected, or integral to one another; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

In the present invention, unless otherwise expressly stated or limited, "above" or "below" a first feature means that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact with each other via another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

In the description of the present embodiment, the terms "upper", "lower", "left", "right", and the like are used based on the orientations and positional relationships shown in the drawings only for convenience of description and simplification of operation, and do not indicate or imply that the referred device or element must have a specific orientation, be configured and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used only for descriptive purposes and are not intended to have a special meaning.

As shown in fig. 1, the present embodiment provides a photovoltaic power generation apparatus for converting light energy emitted from solar energy into electric energy. Specifically, the photovoltaic power generation device comprises a tracking support system 100 and a photovoltaic module 200, wherein the photovoltaic module 200 is a core component in the photovoltaic power generation device and can convert light energy into electric energy, the tracking support system 100 is used for supporting and fixing the photovoltaic module 200, and the tracking support system 100 can be suitable for flat ground and water surface piling power stations and has high universality.

The specific structure of the tracking support system 100 is now described with reference to fig. 1 to 3, where the tracking support system 100 includes a rotating main shaft 2 and a plurality of supporting columns 1, where the rotating main shaft 2 extends along a first direction (X direction in fig. 1 and 3), the plurality of supporting columns 1 are arranged at intervals along the X direction and support the rotating main shaft 2 together, and the rotating main shaft 2 can drive the photovoltaic module 200 to rotate, so as to ensure that sunlight can always vertically irradiate on the photovoltaic module 200, thereby improving the power generation efficiency of the photovoltaic module 200. It should be noted that, as shown in fig. 1, the photovoltaic modules 200 are provided with a plurality of groups, the plurality of groups of photovoltaic modules 200 are assembled and connected side by side along the X direction, the power generation efficiency of the photovoltaic power generation apparatus is improved by providing the plurality of groups of photovoltaic modules 200, and the length of the rotary main shaft 2 extending along the X direction can be set according to the overall length of the assembled photovoltaic modules 200. As shown in fig. 3, an anchor ear 21 may also be disposed on the rotating spindle 2, and the plurality of rotating spindles 2 are assembled and fixed by the anchor ear 21 along the X direction, so as to meet the length requirement of assembling the photovoltaic module 200.

In this embodiment, as shown in fig. 3, the tracking support system 100 further includes a support assembly 5, the support assembly 5 is fixed on the rotating main shaft 2, and the support assembly 5 is used for supporting and fixing the photovoltaic module 200.

Specifically, as shown in fig. 4, the supporting assembly 5 includes two sets of triangular supports 51 arranged side by side along the width direction of the photovoltaic assembly 200, and the two sets of triangular supports 51 are both fixed on the rotating main shaft 2 and support the photovoltaic assembly 200 together, so that the stability of the supporting assembly 5 on the photovoltaic assembly 200 is improved due to the high stability of the triangular support structure.

Now, a specific structure of the triangular support frame 51 is described with reference to fig. 4, the triangular support frame 51 includes a support beam 511, a support oblique beam 512 and a fixing block 513, wherein the support beam 511 is used for supporting and fixing the photovoltaic module 200, both ends of the support beam 511 are connected with the support oblique beam 512, the fixing block 513 is fixed on the rotating spindle 2, and a free end of the support oblique beam 512 is fixed to the fixing block 513, so that a stable triangular support structure is formed between the support beam 511 and the two support oblique beams 512. In addition, in this embodiment, the fixing block 513 may be fixed to the rotating spindle 2 by a U-bolt, and the U-bolt may increase a contact area between the U-bolt and the rotating spindle 2, thereby improving reliability of the fixed connection between the fixing block 513 and the rotating spindle 2.

In addition, as shown in fig. 3, the tracking support system 100 further includes a rotation driving assembly 3 and a tracking controller (not shown in the figure), the tracking controller is used for detecting the irradiation angle of the sunlight, the rotation driving assembly 3 is electrically connected with the tracking controller, the rotation driving assembly 3 is arranged on the rotating main shaft 2, and the tracking controller can control the rotation driving assembly 3 to drive the rotating main shaft 2 to drive the photovoltaic assembly 200 to rotate, so as to ensure that the sunlight can be always vertically irradiated on the photovoltaic assembly 200.

In the prior art, since the housing of the rotation driving assembly 3 is usually sleeved on the rotation main shaft 2 and fixed on the support column 1, in order to prevent the rotation of the photovoltaic assembly 200 from being interfered by the rotation driving assembly 3, the photovoltaic assembly 200 needs to be mounted on the tracking support system 100 to avoid the mounting position of the rotation driving assembly 3 on the rotation main shaft 2, thereby reducing the mounting amount of the photovoltaic assembly 200 on the tracking support system 100.

In order to solve the above problem, the rotation driving assembly 3 provided in this embodiment includes a rotation support and a rotation housing sleeved outside the rotation support, the rotation support is sleeved on the rotation main shaft 2 and fixed on the support column 1, and when the rotation driving assembly 3 drives the rotation main shaft 2 to drive the photovoltaic assembly 200 to rotate, the rotation housing can rotate relative to the rotation support synchronously along with the rotation main shaft 2. This mode of setting up makes photovoltaic module 200 need not to dodge the installation position of gyration drive assembly 3 on rotatory main shaft 2 in the installation of tracking mounting system 100, can make full use of tracking mounting system 100 to photovoltaic module 200's installation space, improves the utilization ratio of tracking mounting system 100 installation space to improve the installation volume of tracking mounting system 100 to photovoltaic module 200.

In order to meet the requirement of assembling and installing a plurality of groups of photovoltaic modules 200 on the rotating main shaft 2, the length of the rotating main shaft 2 extending along the X direction is usually long, and the rotating main shaft 2 stably drives the photovoltaic modules 200 to rotate. In the prior art, the rotary driving assemblies 3 are usually provided with multiple groups, the multiple groups of rotary driving assemblies 3 are arranged at intervals along the X direction, and the rotary main shafts 2 are synchronously driven to rotate by electrically controlling the multiple groups of rotary driving assemblies 3, but in the application process of the rotary driving assemblies 3, the braking precision of each rotary driving assembly 3 is deviated, so that the rotation of the rotary main shafts 2 at each position is asynchronous, the rotary main shafts 2 are twisted at different positions, and the rotary main shafts 2 are easily damaged.

In order to solve the above problem, as shown in fig. 3, the slewing drive assembly 3 provided in the present embodiment includes a main slewing assembly 31 and a plurality of slave slewing assemblies 32 that are in transmission connection, the main slewing assembly 31 and the plurality of slave slewing assemblies 32 are disposed at intervals in the X direction on the rotating main shaft 2, and the main slewing assembly 31 and the plurality of slave slewing assemblies 32 can synchronously drive the rotating main shaft 2 to rotate. Because the main revolving assembly 31 is in transmission connection with the plurality of slave revolving assemblies 32, the main revolving assembly 31 and the plurality of slave revolving assemblies 32 can be ensured to synchronously drive the rotating main shaft 2, mutual torsion on the rotating main shaft 2 is avoided, and the protection of the rotating main shaft 2 is improved.

Specifically, as shown in fig. 4 and 5, the main slewing assembly 31 includes a main slewing bearing 311 and a main slewing housing 312 rotatably sleeved outside the main slewing bearing 311, wherein the main slewing bearing 311 is sleeved on the rotating main shaft 2 and fixed on one of the support columns 1. When the main revolving assembly 31 drives the rotating main shaft 2 to rotate the photovoltaic assembly 200, the main revolving housing 312 can synchronously rotate relative to the main revolving support 311 along with the rotating main shaft 2.

As shown in fig. 6, the slave revolving assembly 32 includes a slave revolving support 321 and a slave revolving housing 322 which is rotatably sleeved outside the slave revolving support 321, the slave revolving support 321 corresponds to the rest of the support columns 1 one by one, and the slave revolving support 321 is sleeved on the revolving spindle 2 and fixed on the corresponding support column 1. When the slave revolving assembly 32 synchronously drives the revolving spindle 2 to rotate the photovoltaic module 200, the slave revolving housing 322 can synchronously rotate relative to the slave revolving support 321 along with the revolving spindle 2.

In addition, as shown in fig. 5, a driving motor 313 is further disposed on the main revolving assembly 31, the driving motor 313 is a power source of the main revolving assembly 31, the driving motor 313 can drive the rotating main shaft 2 to rotate, because the main revolving assembly 31 is in transmission connection with the slave revolving assembly 32, the main revolving assembly 31 can synchronously drive the slave revolving assembly 32 to rotate, the slave revolving assembly 32 further drives the rotating main shaft 2 to rotate, and the main revolving assembly 31 and the plurality of slave revolving assemblies 32 synchronously drive the rotating main shaft 2 to rotate.

In the prior art, the main rotating assembly 31 and each of the slave rotating assemblies 32 are usually in transmission connection through a mechanical connecting rod, but the distance between the supporting columns 1 is large, so that the span of the supporting point of the mechanical connecting rod is large, and the bending resistance of the mechanical connecting rod is insufficient, so that the mechanical connecting rod is easy to generate a rope skipping phenomenon in the transmission process, and the stability of transmission connection is affected.

In order to solve the above problem, as shown in fig. 4 to 6, the tracking support system 100 further includes a transmission assembly 4, and the transmission assembly 4 is used for realizing transmission connection between the master revolving assembly 31 and each slave revolving assembly 32. Specifically, the transmission assembly 4 includes a transmission rod 41, the transmission rod 41 extends along the X direction, a first main output shaft 3121 extends from both ends of the main rotating housing 312, the first main output shaft 3121 is fixedly connected to the transmission rod 41, a second main output shaft is further disposed on the main rotating housing 312, the second main output shaft is fixedly connected to the rotating spindle 2, a slave input shaft 3221 extends from both ends of the rotating housing 322, the slave input shaft 3221 is fixedly connected to the transmission rod 41, and a slave output shaft of the slave revolving assembly 32 is fixedly connected to the rotating spindle 2. The driving motor 313 drives the motor 313 to connect with the first main output shaft 3121 and the second main output shaft, the driving motor 313 can drive the first main output shaft 3121 and the second main output shaft to rotate, the first main output shaft 3121 in turn drives the transmission rod 41 to rotate, the transmission rod 41 in turn drives the slave input shaft 3221 to rotate, and finally, the slave output shaft of the slave revolving assembly 32 and the second main output shaft of the master revolving assembly 31 synchronously drive the rotating main shaft 2 to rotate. The transmission connection between the main rotating assembly 31 and each slave rotating assembly 32 can be realized by arranging the transmission rod 41, the structure is simple, the arrangement of the transmission rod 41 is not influenced by the distance between the support columns 1, and the transmission connection between the main rotating assembly 31 and each slave rotating assembly 32 is more stable.

Further, as shown in fig. 4, the transmission assembly 4 further includes a plurality of sets of transmission connecting members 42, the plurality of sets of transmission connecting members 42 are arranged at intervals along the X direction, and the transmission connecting members 42 can fixedly connect the transmission rod 41 with the rotating main shaft 2, so as to realize multi-point supporting and fixing between the transmission rod 41 and the rotating main shaft 2, further ensure the stability of transmission connection between the main revolving assembly 31 and each of the slave revolving assemblies 32, and avoid the phenomenon of rope skipping.

Referring to fig. 4, a specific structure of the transmission link 42 will be described, in which the transmission link 42 includes a connection plate 421 and a U-shaped fastener 422, the connection plate 421 is sleeved and fixed on the transmission rod 41, and the U-shaped fastener 422 is used to fix the connection plate 421 and the rotary spindle 2. Specifically, the U-shaped fastener 422 may be a U-shaped bolt, and since the rotary spindle 2 has a tubular structure, the U-shaped bolt can increase a contact area between the U-shaped bolt and the rotary spindle 2, thereby improving reliability of the fixed connection between the connection plate 421 and the rotary spindle 2.

Referring to fig. 7, a specific structure of the support column 1 will be described, where the support column 1 includes a column main body 11, a first connecting seat 12 and a second connecting seat 13, the first connecting seat 12 is fixed at an end of the column main body 11, one end of the second connecting seat 13 is fixed with the first connecting seat 12, and the other end of the second connecting seat 13 is fixed with the main pivoting bearing 311 or the slave pivoting bearing 321. The stability of the connection between the column main body 11 and the main slewing bearing 311 and the sub slewing bearing 321 can be improved by providing the first connecting seat 12 and the second connecting seat 13. Specifically, the fixation between the first connecting seat 12 and the column main body 11, the fixation between the second connecting seat 13 and the first connecting seat 12, and the fixation between the second connecting seat 13 and the slewing bearing can be connected through the bolt set, the bolt set is detachably connected, and the bolt set is connected to have the advantages of reliable connection and low cost.

Preferably, as shown in fig. 7, the first connecting base 12 includes a first fixing plate 121, a second fixing plate 122 and a first reinforcing rib 123, the first fixing plate 121 is fixed to the column body 11, the second fixing plate 122 is connected to the first fixing plate 121, and the first reinforcing rib 123 is fixed between the first fixing plate 121 and the second fixing plate 122. Through setting up first strengthening rib 123, strengthened the structural strength of whole first connecting seat 12 to guarantee first connecting seat 12 to second connecting seat 13 and slewing bearing's effective support.

As shown in fig. 7, the second connecting holder 13 includes a third fixing plate 131, a fourth fixing plate 132 and a second rib 133, the third fixing plate 131 is fixedly attached to the second fixing plate 122, the fourth fixing plate 132 is connected to the third fixing plate 131, the fourth fixing plate 132 is fixed to the pivoting support, and the second rib 133 is fixed between the third fixing plate 131 and the fourth fixing plate 132. Through setting up second strengthening rib 133, the structural strength of whole second connecting seat 13 has been strengthened to guarantee second connecting seat 13 to slewing bearing's effective support.

It should be understood that the above-described embodiments of the present invention are merely examples for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.

Claims

1. A tracking support system comprises a rotating main shaft (2) and a plurality of supporting columns (1), wherein the rotating main shaft (2) extends along a first direction, the supporting columns (1) are arranged at intervals along the first direction and jointly support the rotating main shaft (2), the rotating main shaft (2) is used for driving a photovoltaic module (200) to rotate, and the tracking support system is characterized by further comprising:

the rotary driving assembly (3) is arranged on the rotary main shaft (2) and is configured to drive the rotary main shaft (2) to rotate, the rotary driving assembly (3) comprises a rotary support and a rotary shell arranged outside the rotary support in a sleeved mode, the rotary support is arranged on the rotary main shaft (2) in a sleeved mode and fixed on the supporting stand column (1), and the rotary shell can rotate along with the rotary main shaft (2) relative to the rotary support.

2. The tracking support system according to claim 1, characterized in that the slewing drive assembly (3) comprises a main slewing assembly (31) and a plurality of slave slewing assemblies (32) which are in transmission connection, the main slewing assembly (31) comprises a main slewing bearing (311) and a main slewing housing (312) which is rotatably sleeved outside the main slewing bearing (311), the main slewing bearing (311) is sleeved on the rotating main shaft (2) and fixed on one of the support columns (1);

the slave slewing assembly (32) comprises a slave slewing bearing (321) and a slave slewing housing (322) rotatably sleeved outside the slave slewing bearing (321), the slave slewing bearing (321) corresponds to the rest of the support columns (1) one by one, and the slave slewing bearing (321) is sleeved on the rotating main shaft (2) and fixed on the corresponding support columns (1);

the master slewing assembly (31) and the plurality of slave slewing assemblies (32) are configured to synchronously drive the rotary spindle (2) to rotate.

3. The tracking gantry system of claim 2, further comprising:

the transmission assembly (4) comprises a transmission rod (41), the transmission rod (41) extends along the first direction, a first main output shaft (3121) extends from two ends of the main rotating shell (312), the first main output shaft (3121) is fixedly connected with the transmission rod (41), a second main output shaft is further arranged on the main rotating shell (312), and the second main output shaft is fixedly connected with the rotating main shaft (2);

and a secondary input shaft (3221) extends from two ends of the rotating shell (322), the secondary input shaft (3221) is fixedly connected with the transmission rod (41), and a secondary output shaft of the secondary rotating assembly (32) is fixedly connected with the rotating main shaft (2).

4. The tracking bracket system according to claim 3, characterized in that a drive motor (313) is provided on the main swivel assembly (31), the drive motor (313) being configured to drive the first main output shaft (3121) and the second main output shaft in rotation.

5. The tracking support system according to claim 3, characterized in that the transmission assembly (4) further comprises:

a plurality of sets of transmission connecting pieces (42), a plurality of sets of transmission connecting pieces (42) are arranged along the first direction at intervals, and the transmission connecting pieces (42) are configured to fixedly connect the transmission rod (41) with the rotating spindle (2).

6. The tracking bracket system of claim 5, characterized in that the drive connection (42) comprises:

the connecting plate (421) is sleeved and fixed on the transmission rod (41); and

a U-shaped fastener (422) configured to fix the connection plate (421) with the rotary spindle (2).

7. The tracking support system according to claim 1, characterized in that the support upright (1) comprises:

a column main body (11);

a first connecting seat (12) fixed to an end of the column body (11); and

one end of the second connecting seat (13) is fixed with the first connecting seat (12), and the other end of the second connecting seat (13) is fixed with the slewing bearing.

8. The tracking mounting system according to claim 7, characterized in that the first connecting seat (12) comprises a first fixing plate (121), a second fixing plate (122) and a first reinforcing rib (123), the first fixing plate (121) is fixed with the column body (11), the second fixing plate (122) is connected with the first fixing plate (121), and the first reinforcing rib (123) is fixed between the first fixing plate (121) and the second fixing plate (122);

the second connecting seat (13) comprises a third fixing plate (131), a fourth fixing plate (132) and second reinforcing ribs (133), the third fixing plate (131) is attached to and fixed with the second fixing plate (122), the fourth fixing plate (132) is connected with the third fixing plate (131), the fourth fixing plate (132) is fixed with the slewing bearing, and the second reinforcing ribs (133) are fixed between the third fixing plate (131) and the fourth fixing plate (132).

9. The tracking gantry system of any one of claims 1 to 8, further comprising:

the supporting component (5) is fixed on the rotating main shaft (2), and the supporting component (5) is used for supporting and fixing the photovoltaic component (200).

10. The tracking rack system according to claim 9, characterized in that the supporting component (5) comprises two sets of triangular supports (51) arranged side by side in the width direction of the photovoltaic component (200), the triangular supports (51) comprising:

the supporting beam (511) is used for supporting and fixing the photovoltaic module (200);

the two ends of the supporting cross beam (511) are connected with the supporting oblique beam (512); and

and the fixed block (513) is fixed on the rotating main shaft (2), and the free end of the supporting oblique beam (512) is fixed with the fixed block (513).

11. A photovoltaic power generation apparatus comprising a tracking mounting system as claimed in any one of claims 1 to 10.