CN220527963U - Photovoltaic adjusting device and photovoltaic adjusting equipment - Google Patents

Abstract

The utility model provides a photovoltaic adjusting device and photovoltaic adjusting equipment, wherein the photovoltaic adjusting device comprises a spherical bearing and a connecting structure, the spherical bearing comprises a bearing piece and a bearing seat, the bearing piece is arranged in the bearing seat and can rotate in the bearing seat, the bottom of the bearing seat is connected with the connecting structure, and the relative position of the bearing seat and the connecting structure is adjustable along the horizontal direction. According to the utility model, the bottom of the bearing seat of the photovoltaic adjusting device is connected with the connecting structure, and the relative position of the bearing seat and the connecting structure is adjustable along the horizontal direction, so that the flexibility of adjusting the horizontal position of the bearing seat is improved, when the position error occurs in the field installation of the photovoltaic module, the position error can be eliminated by adjusting the relative position between the bearing seat and the connecting structure, the inclusion degree of the photovoltaic module on the project field topography is improved, the installation efficiency of the photovoltaic module is further improved, and the time cost and the labor cost for installing the photovoltaic module are saved.

Description

Photovoltaic adjusting device and photovoltaic adjusting equipment

Technical Field

The utility model relates to the field of photovoltaics, in particular to a photovoltaic adjusting device and photovoltaic adjusting equipment.

Background

The application market of solar photovoltaic power generation rapidly develops in recent years, the application scene is wide and has diversity, the application has become the industry trend in the energy field, and the photovoltaic bracket adjusting device is the most important supporting system of the photovoltaic module of the solar power station. The existing photovoltaic support generally adopts a main beam as a rotating component for driving the photovoltaic panel, and the photovoltaic panel is arranged on the main beam along the extending direction of the main beam.

The bearing pedestal is used as an important connecting piece for connecting the rotating part and the supporting part, and can resist bending moment and torque in different directions while ensuring that the bearing rotates along with the main beam in the bearing ring seat. In the mounting process of the bearing seat and the main beam, the position of the bearing seat is often changed due to position errors, however, the stamping ball bearing seat in the current market has large volume and complex processing technology,

the installation difficulty is high, is difficult to nimble adjustment mounted position.

Therefore, how to provide a photovoltaic adjusting device convenient for adjusting the position of the bearing seat is a technical problem to be solved in the field.

Disclosure of Invention

The utility model aims to provide a photovoltaic adjusting device and photovoltaic adjusting equipment comprising the photovoltaic adjusting device, and the photovoltaic adjusting device can flexibly adjust the position of a bearing seat.

In order to achieve the above object, as one aspect of the present utility model, there is provided a photovoltaic adjustment apparatus comprising a ball bearing and a connection structure, the ball bearing comprising a bearing member and a bearing housing, the bearing member being disposed in the bearing housing and rotatable in the bearing housing, a bottom of the bearing housing being connected to the connection structure, and a relative position of the bearing housing and the connection structure being adjustable in a horizontal direction.

Optionally, the connection structure includes coupling assembling and stand, the bearing frame passes through coupling assembling with the top fixed connection of stand, wherein, the bearing frame with coupling assembling's relative position is along the horizontal direction adjustable, just coupling assembling with the relative position of stand is along vertical direction adjustable.

Optionally, the photovoltaic adjusting device further includes a plurality of mounting fasteners, the bottom of the bearing seat has a plurality of first mounting holes, the top of the connecting component has a plurality of second mounting holes, and the plurality of mounting fasteners penetrate through the plurality of first mounting holes and the plurality of second mounting holes in a one-to-one correspondence manner so as to fixedly connect the bearing seat with the connecting component;

and the second mounting hole extends along the first horizontal direction, so that the relative position of the bearing seat and the connecting structure is adjustable along the horizontal direction.

Optionally, the first mounting hole extends along a second horizontal direction, and the first horizontal direction is perpendicular to the second horizontal direction.

Optionally, the connecting assembly comprises a pair of connecting pieces, the connecting pieces comprise connecting plates and connecting parts, the connecting plates are arranged along the vertical direction, the connecting parts are fixedly arranged at the top ends of the connecting plates and extend along the horizontal direction perpendicular to the extending direction of the connecting plates, and the connecting plates are adjustably arranged on the upright posts; the second mounting hole is provided on the connection portion.

Optionally, the connecting piece further includes a pair of first reinforcing parts, the first reinforcing parts are perpendicular to the connecting plate and fixedly arranged on the connecting plate, and extend along the edge of the connecting plate, and the top ends of the two first reinforcing parts are respectively connected with the two sides of the connecting part along the direction parallel to the connecting plate.

Optionally, a plurality of pairs of first connecting holes are formed on the connecting plate, each pair of first connecting holes is arranged at intervals along the horizontal direction, the plurality of pairs of first connecting holes are distributed at equal intervals along the vertical direction, and the horizontal positions of the plurality of pairs of first connecting holes correspond to each other;

the upright post comprises a first upright plate and a pair of second upright plates, the first upright plate and the second upright plates extend along the vertical direction, and the two second upright plates are perpendicular to the first upright plate and are fixedly connected with two sides of the first upright plate respectively; a plurality of pairs of second connecting holes are formed in the first vertical plate, each pair of second connecting holes are arranged at intervals along the horizontal direction, the plurality of pairs of second connecting holes are distributed at equal intervals along the vertical direction, and the horizontal positions of the plurality of pairs of second connecting holes correspond to the horizontal positions of the plurality of pairs of first connecting holes;

the photovoltaic adjusting device further comprises a plurality of connecting fasteners, the connecting plates of the two connecting pieces are respectively arranged on two sides of the first vertical plate, and at least two connecting fasteners are inserted into at least one pair of second connecting holes and the first connecting holes on the connecting pieces on two sides of the first vertical plate in a one-to-one correspondence mode so as to fixedly connect the upright posts with the connecting pieces on two sides of the upright posts.

Optionally, the mounting fastener and the connecting fastener are bolts.

Optionally, the bearing seat comprises a pair of mounting pieces, the mounting pieces comprise a mounting plate, a limiting ring and a mounting part, the mounting plate is vertically arranged, an avoidance hole penetrating through the mounting plate along the thickness direction is formed in the mounting plate, an opening on one side of the limiting ring is in butt joint with the edge of the avoidance hole, the size of the opening on one side, deviating from the mounting plate, of the limiting ring is smaller than the size of the avoidance hole, the surface of the inner side wall of the limiting ring is a concave curved surface, the mounting part is fixedly arranged at the bottom of the mounting plate, the mounting part extends along the horizontal direction, and the first mounting hole is formed in the mounting part;

the two mounting plates are connected with each other, and the two limiting rings are positioned on the outer sides of the two mounting plates, so that the bearing piece is limited between the two limiting rings through the inner side walls of the two limiting rings and is allowed to rotate between the two limiting rings.

As a second aspect of the present utility model, there is provided a photovoltaic adjustment apparatus comprising a main beam and at least one photovoltaic adjustment device as described above, the bearing member of the photovoltaic adjustment device being fixedly arranged on the main beam, the main beam being for fixing a photovoltaic panel.

In the photovoltaic adjusting device and the photovoltaic adjusting equipment provided by the utility model, the bottom of the bearing seat of the photovoltaic adjusting device is connected with the connecting structure, and the relative position of the bearing seat and the connecting structure is adjustable along the horizontal direction, so that the flexibility of adjusting the horizontal position of the bearing seat is improved, when a position error (such as an error caused by piling a project site) occurs in the field installation of the photovoltaic module, the position error can be eliminated by adjusting the relative position between the bearing seat and the connecting structure, the inclusion degree of the photovoltaic module on the project site topography is improved, the installation efficiency of the photovoltaic module is further improved, and the time cost and the labor cost for installing the photovoltaic module are saved.

Drawings

The accompanying drawings are included to provide a further understanding of the utility model, and are incorporated in and constitute a part of this specification, illustrate the utility model and together with the description serve to explain, without limitation, the utility model. In the drawings:

fig. 1 is a schematic structural diagram of a photovoltaic adjustment apparatus according to an embodiment of the present utility model;

fig. 2 is a schematic structural view of a mounting member in a photovoltaic adjustment apparatus according to an embodiment of the present utility model;

fig. 3 is a schematic structural view of a mounting member in a photovoltaic adjustment apparatus according to an embodiment of the present utility model;

fig. 4 is a schematic structural diagram of a connector in a photovoltaic adjustment apparatus according to an embodiment of the present utility model;

fig. 5 is a schematic structural diagram of a connector in a photovoltaic adjustment apparatus according to an embodiment of the present utility model;

fig. 6 is a schematic structural diagram of an installation hemisphere in a photovoltaic adjustment apparatus according to an embodiment of the present utility model;

fig. 7 is a schematic structural diagram of an installation hemisphere in a photovoltaic adjustment apparatus according to an embodiment of the present utility model.

Reference numerals illustrate:

10: main girder

20: ball bearing

21: bearing component

210: mounting hemisphere

211: matched spherical surface

212: mounting groove

22: bearing pedestal

220: mounting member

221: mounting plate

222: limiting ring

223: mounting part

224: first mounting hole

225: second reinforcing part

30: connection structure

31: connection assembly

310: connecting piece

311: connecting plate

312: connecting part

313: second mounting hole

314: first reinforcing part

315: first connecting hole

32: upright post

321: first vertical plate

322: second vertical plate

323: second connecting hole

41: mounting fastener

42: connecting fastener

43: bearing seat fastener

Detailed Description

The following describes specific embodiments of the present utility model in detail with reference to the drawings. It should be understood that the detailed description and specific examples, while indicating and illustrating the utility model, are not intended to limit the utility model.

In order to solve the above-mentioned technical problem, as an aspect of the present utility model, there is provided a photovoltaic adjustment apparatus, as shown in fig. 1, comprising a ball bearing 20 and a connection structure 30, the ball bearing 20 comprising a bearing member 21 and a bearing housing 22, the bearing member 21 being disposed in the bearing housing 22 and being rotatable in the bearing housing 22, the bottom of the bearing housing 22 being connected with the connection structure 30, and the relative position of the bearing housing 22 and the connection structure 30 being adjustable in a horizontal direction.

In the photovoltaic adjusting device provided by the utility model, the bearing piece 21 in the spherical bearing 20 is used for connecting the main beam 10, the bottom of the bearing seat 22 is connected with the connecting structure 30, and the relative position of the bearing seat 22 and the connecting structure 30 is adjustable along the horizontal direction, so that the flexibility of adjusting the horizontal position of the bearing seat 22 is improved, when a position error (such as an error caused by piling on a project site) occurs in the field installation of the photovoltaic module, the position error can be eliminated by adjusting the relative position between the bearing seat 22 and the connecting structure 30, the inclusion degree of the photovoltaic module on the project site topography is improved, the installation efficiency of the photovoltaic module is further improved, and the time cost and the labor cost for installing the photovoltaic module are saved.

In order to further improve the tolerance of the photovoltaic module to the project site topography, as a preferred embodiment of the present utility model, as shown in fig. 1, the connection structure 30 includes a connection module 31 and a column 32, the bearing seat 22 is fixedly connected to the top end of the column 32 through the connection module 31, where the relative position of the bearing seat 22 and the connection module 31 is adjustable along the horizontal direction, and the relative position of the connection module 31 and the column 32 is adjustable along the vertical direction.

In the embodiment of the utility model, the relative position between the bearing seat 22 and the connecting component 31 is adjustable along the horizontal direction, and the relative position between the connecting component 31 and the upright post 32 is adjustable along the vertical direction, so that the positions of the bearing seat 22 along the horizontal direction and the vertical direction are both adjustable, the inclusion degree of the photovoltaic component on the project site topography is further improved, and the installation efficiency of the photovoltaic component is ensured.

As an alternative embodiment of the present utility model, as shown in fig. 1, the photovoltaic adjustment apparatus further includes a plurality of mounting fasteners 41, as shown in fig. 2 and 3, the bottom of the bearing housing 22 has a plurality of first mounting holes 224, as shown in fig. 4, the top of the connection assembly 31 has a plurality of second mounting holes 313, and the plurality of mounting fasteners 41 penetrate the plurality of first mounting holes 224 and the plurality of second mounting holes 313 in a one-to-one correspondence manner, so as to fixedly connect the bearing housing 22 with the connection assembly 31;

and, the second mounting hole 313 extends in a first horizontal direction so that the relative position of the bearing housing 22 and the connection structure 30 is adjustable in the horizontal direction.

In the embodiment of the utility model, the top of the connecting assembly 31 is fixedly connected with the bottom of the bearing seat 22 through the mounting fastener 41, and the second mounting hole 313 is a long waist hole extending along the first horizontal direction, so that when the horizontal position of the bearing seat 22 needs to be adjusted, the mounting fastener 41 can be moved along the extending direction of the second mounting hole 313 only by loosening the mounting fastener 41, the horizontal position of the bearing seat 22 is adjusted in the first horizontal direction, and the inclusion of the photovoltaic assembly on the field topography of a project is ensured.

As an alternative embodiment of the present utility model, as shown in fig. 1, the first mounting hole 224 extends along a second horizontal direction, and the first horizontal direction is perpendicular to the second horizontal direction, so that when the horizontal position of the bearing seat 22 needs to be adjusted, the mounting fastener 41 can be moved along the extending direction of the second mounting hole 313 and the extending direction of the first mounting hole 224, and then the horizontal position of the bearing seat 22 is adjusted in the first horizontal direction and the second horizontal direction, so as to further improve the tolerance of the photovoltaic module to the terrain on the project site.

As an alternative embodiment of the present utility model, as shown in fig. 1, the connection assembly 31 includes a pair of connection members 310, as shown in fig. 4 and 5, the connection members 310 include connection plates 311 and connection portions 312, the connection plates 311 are disposed in a vertical direction, the connection portions 312 are fixedly disposed at top ends of the connection plates 311 and extend in a horizontal direction perpendicular to an extending direction of the connection plates 311, and the connection plates 311 are adjustably disposed on the columns 32; the second mounting hole 313 is provided on the connection part 312.

In order to ensure the structural strength of the connection member 310, as a preferred embodiment of the present utility model, as shown in fig. 4 and 5, the connection member 310 further includes a pair of first reinforcing portions 314, wherein the first reinforcing portions 314 are fixedly disposed on the connection plate 311 perpendicular to the connection plate 311 and extend along the edge of the connection plate 311, and the top ends of the two first reinforcing portions 314 are respectively connected to two sides of the connection portion 312 along a direction parallel to the connection plate 311.

As an alternative embodiment of the present utility model, as shown in fig. 4 and 5, the connection plate 311 is formed with a plurality of pairs of first connection holes 315, each pair of first connection holes 315 is disposed at intervals along a horizontal direction, the plurality of pairs of first connection holes 315 are distributed at equal intervals along a vertical direction, and the horizontal positions of the plurality of pairs of first connection holes 315 correspond to each other;

the upright post 32 comprises a first upright plate 321 and a pair of second upright plates 322, wherein the first upright plate 321 and the second upright plates 322 extend along the vertical direction, and the two second upright plates 322 are perpendicular to the first upright plate 321 and are respectively fixedly connected with two sides of the first upright plate 321; the first riser 321 is formed with a plurality of pairs of second connecting holes 323, each pair of second connecting holes 323 is arranged at intervals along the horizontal direction, the plurality of pairs of second connecting holes 323 are distributed at equal intervals along the vertical direction, and the horizontal positions of the plurality of pairs of second connecting holes 323 correspond to the horizontal positions of the plurality of pairs of first connecting holes 315;

the photovoltaic adjustment device further comprises a plurality of connection fasteners 42, wherein the connection plates 311 of the two connection members 310 are respectively disposed at two sides of the first vertical plate 321, and at least two connection fasteners 42 are respectively inserted into at least one pair of the second connection holes 323 and the first connection holes 315 on the connection members 310 at two sides of the first vertical plate 321 in a one-to-one correspondence manner, so as to fixedly connect the upright post 32 with the connection members 310 at two sides of the upright post 32.

In the embodiment of the present utility model, the horizontal distribution of the second connection holes 323 on the first riser 321 of the upright 32 is consistent with the horizontal distribution of the first connection holes 315 on the connection plate 311, so that at least one pair of first connection holes 315 and at least one pair of second connection holes 323 can be aligned in the numerical relative motion process of the connection plate 311 and the upright 32, and the upright 32 and the connection plates 311 on two sides thereof are fixedly connected through the connection fasteners 42 passing through the second connection holes 323 and the first connection holes 315, thereby realizing the height-adjustable fixation of the bearing seat 22 on the upright 32.

As an alternative embodiment of the present utility model, the columns 32 are made of H-section steel.

As an alternative embodiment of the present utility model, the mounting fastener 41 and the connecting fastener 42 are bolts.

As an alternative embodiment of the present utility model, as shown in fig. 1, the bearing seat 22 includes a pair of mounting members 220, as shown in fig. 2 and 3, the mounting members 220 include a mounting plate 221, a limiting ring 222 and a mounting portion 223, the mounting plate 221 is vertically disposed, a through hole penetrating the mounting plate 221 in a thickness direction is formed in the mounting plate 221, an opening on one side of the limiting ring 222 is in butt connection with an edge of the through hole, a size of an opening on a side of the limiting ring 222 facing away from the mounting plate 221 is smaller than a size of the through hole, an inner side wall surface of the limiting ring 222 is a concave curved surface, the mounting portion 223 is fixedly disposed at a bottom of the mounting plate 221, the mounting portion 223 extends in a horizontal direction, and the first mounting hole 224 is formed on the mounting portion 223;

the two mounting plates 221 are connected to each other, and the two stop rings 222 are located at outer sides of the two mounting plates 221, so that the bearing member 21 is defined between the two stop rings 222 by inner side walls of the two stop rings 222 and the bearing member 21 is allowed to rotate between the two stop rings 222.

In order to ensure the structural strength of the mounting member 220, as a preferred embodiment of the present utility model, as shown in fig. 2 and 3, the mounting member 220 further includes a second reinforcing portion 225, wherein the second reinforcing portion 225 is fixedly disposed on the mounting plate 221 perpendicular to the mounting plate 221 and extends along the edge of the mounting plate 221, and two ends of the second reinforcing portion 225 are respectively connected to two sides of the mounting portion 223 in a direction parallel to the mounting plate 221.

To ensure the stability of the bearing housing 22, as a preferred embodiment of the present utility model, as shown in fig. 1, the photovoltaic adjustment apparatus further includes a plurality of bearing housing fasteners 43, and the mounting plates 221 of the two mounting members 220 are fixedly connected to each other by the plurality of bearing housing fasteners 43.

To simplify the manufacturing difficulty of the photovoltaic adjustment apparatus, as a preferred embodiment of the present utility model, the mounting member 220 and the connecting member 310 are manufactured by a stamping process.

As an alternative embodiment of the present utility model, as shown in fig. 6 and 7, the bearing member 21 includes a pair of installation hemispheres 210, wherein a mating sphere 211 and an installation groove 212 corresponding to the shape of the main beam 10 are formed on the installation hemispheres 210, and as shown in fig. 1, two installation hemispheres 210 are respectively connected with the main beam 10 from both sides of the main beam 10, and the main beam 10 is accommodated in the two installation grooves 212;

the spherical centers of the matching spherical surfaces 211 of the two installation hemispheres 210 are consistent, and the bearing piece 21 is in spherical hinge connection with the bearing seat 22 through the matching spherical surfaces 211.

As a second aspect of the present utility model, there is provided a photovoltaic adjustment apparatus, as shown in fig. 1, which includes a main beam 10 and at least one photovoltaic adjustment device provided in an embodiment of the present utility model, a bearing member 21 of the photovoltaic adjustment device is fixedly disposed on the main beam 10, and the main beam 10 is used for fixing a photovoltaic panel.

In the photovoltaic adjusting device provided by the utility model, the bottom of the bearing seat 22 of the photovoltaic adjusting device is connected with the connecting structure 30, and the relative position of the bearing seat 22 and the connecting structure 30 is adjustable along the horizontal direction, so that the flexibility of adjusting the horizontal position of the bearing seat 22 is improved, and when a position error (such as an error caused by piling on a project site) occurs in the field installation of the photovoltaic module, the position error can be eliminated by adjusting the relative position between the bearing seat 22 and the connecting structure 30, so that the inclusion of the photovoltaic module on the project site topography is improved, the installation efficiency of the photovoltaic module is further improved, and the time cost and the labor cost for installing the photovoltaic module are saved.

It is to be understood that the above embodiments are merely illustrative of the application of the principles of the present utility model, but not in limitation thereof. Various modifications and improvements may be made by those skilled in the art without departing from the spirit and substance of the utility model, and are also considered to be within the scope of the utility model.

Claims (10)

1. The utility model provides a photovoltaic adjusting device, its characterized in that includes ball-type bearing and connection structure, ball-type bearing includes bearing piece and bearing frame, the bearing piece sets up in the bearing frame and can rotate in the bearing frame, the bottom of bearing frame with connection structure connects, just the bearing frame with connection structure's relative position is along the horizontal direction adjustable.

2. The photovoltaic adjustment apparatus of claim 1, wherein the connection structure comprises a connection assembly and a column, the bearing housing is fixedly connected to a top end of the column by the connection assembly, wherein a relative position of the bearing housing and the connection assembly is adjustable in a horizontal direction, and a relative position of the connection assembly and the column is adjustable in a vertical direction.

3. The photovoltaic adjustment apparatus of claim 2, further comprising a plurality of mounting fasteners, wherein the bottom of the bearing housing has a plurality of first mounting holes, the top of the connection assembly has a plurality of second mounting holes, and wherein the plurality of mounting fasteners pass through the plurality of first mounting holes and the plurality of second mounting holes in a one-to-one correspondence to fixedly connect the bearing housing with the connection assembly;

and the second mounting hole extends along the first horizontal direction, so that the relative position of the bearing seat and the connecting structure is adjustable along the horizontal direction.

4. A photovoltaic adjustment device according to claim 3, wherein the first mounting hole extends in a second horizontal direction, the first horizontal direction being perpendicular to the second horizontal direction.

5. A photovoltaic adjustment device according to claim 3, wherein the connection assembly comprises a pair of connection members including a connection plate and a connection portion, the connection plate being disposed in a vertical direction, the connection portion being fixedly disposed at a top end of the connection plate and extending in a horizontal direction perpendicular to an extending direction of the connection plate, the connection plate being adjustably disposed on the upright; the second mounting hole is provided on the connection portion.

6. The photovoltaic adjustment apparatus according to claim 5, wherein the connecting member further comprises a pair of first reinforcing portions fixedly provided on the connecting plate perpendicularly to the connecting plate and extending along an edge of the connecting plate, and top ends of the two first reinforcing portions are respectively connected to both sides of the connecting portion in a direction parallel to the connecting plate.

7. The photovoltaic adjustment apparatus according to claim 5, wherein a plurality of pairs of first connection holes are formed in the connection plate, each pair of the first connection holes being disposed at intervals in a horizontal direction, the plurality of pairs of the first connection holes being equally spaced in a vertical direction and the plurality of pairs of the first connection holes being located at horizontal positions corresponding to each other;

the upright post comprises a first upright plate and a pair of second upright plates, the first upright plate and the second upright plates extend along the vertical direction, and the two second upright plates are perpendicular to the first upright plate and are fixedly connected with two sides of the first upright plate respectively; a plurality of pairs of second connecting holes are formed in the first vertical plate, each pair of second connecting holes are arranged at intervals along the horizontal direction, the plurality of pairs of second connecting holes are distributed at equal intervals along the vertical direction, and the horizontal positions of the plurality of pairs of second connecting holes correspond to the horizontal positions of the plurality of pairs of first connecting holes;

the photovoltaic adjusting device further comprises a plurality of connecting fasteners, the connecting plates of the two connecting pieces are respectively arranged on two sides of the first vertical plate, and at least two connecting fasteners are inserted into at least one pair of second connecting holes and the first connecting holes on the connecting pieces on two sides of the first vertical plate in a one-to-one correspondence mode so as to fixedly connect the upright posts with the connecting pieces on two sides of the upright posts.

8. The photovoltaic adjustment device of claim 7, wherein the mounting fastener and the connecting fastener are bolts.

9. The photovoltaic adjustment apparatus according to any one of claims 3 to 8, wherein the bearing housing includes a pair of mounting pieces including a mounting plate, a retainer ring and a mounting portion, the mounting plate being vertically disposed and having an escape hole formed therein penetrating the mounting plate in a thickness direction, an opening on one side of the retainer ring being in butt-joint with an edge of the escape hole, and an opening size of the retainer ring on a side facing away from the mounting plate being smaller than a size of the escape hole, an inner side wall surface of the retainer ring being a curved surface of an indent, the mounting portion being fixedly disposed at a bottom of the mounting plate and extending in a horizontal direction, the first mounting hole being formed on the mounting portion;

the two mounting plates are connected with each other, and the two limiting rings are positioned on the outer sides of the two mounting plates, so that the bearing piece is limited between the two limiting rings through the inner side walls of the two limiting rings and is allowed to rotate between the two limiting rings.

10. A photovoltaic regulation device, characterized in that it comprises a main beam and at least one photovoltaic regulation device according to any one of claims 1 to 9, the bearing parts of which are fixedly arranged on the main beam for fixing a photovoltaic panel.