CN219827489U

CN219827489U - Bearing frame subassembly and photovoltaic support device

Info

Publication number: CN219827489U
Application number: CN202320675855.9U
Authority: CN
Inventors: 柳倩; 陈佳雨; 孙俊林; 全鹏
Original assignee: Trina Solar Co Ltd
Current assignee: Trina Solar Co Ltd
Priority date: 2023-03-30
Filing date: 2023-03-30
Publication date: 2023-10-13
Anticipated expiration: 2033-03-30

Abstract

The utility model provides a bearing seat assembly and a photovoltaic bracket device. The bearing seat assembly comprises a bearing base, a bearing cover and a positioning assembly; the bearing cover is detachably and fixedly connected with the bearing base; the bearing cover is provided with a second abutting surface which is contacted with the bearing base; the positioning assembly comprises a first positioning piece and a second positioning piece which are matched in alignment; the first positioning piece comprises a first positioning structure and a second positioning structure. The length direction of the first positioning structure is intersected with the length direction of the second positioning structure. According to the technical scheme, the first positioning structure is matched with the third positioning structure in an alignment manner, the second positioning structure is matched with the fourth positioning structure in an alignment manner, and the bearing base and the bearing cover can be assembled on the plane where the first direction and the second direction are located to limit the position, so that the bearing base can be assembled on the bearing cover at a preset position, and the occurrence of serious phenomenon of out-of-tolerance concentricity caused by position deviation is improved.

Description

Bearing frame subassembly and photovoltaic support device

Technical Field

The utility model relates to the technical field of photovoltaics, in particular to a bearing seat assembly and a photovoltaic bracket device.

Background

The photovoltaic bracket device is used for supporting the photovoltaic module and is the most important supporting system of the photovoltaic module of the solar power station.

The split bearing seat is an important connecting piece in the photovoltaic bracket device and comprises at least two split parts, and a cavity for accommodating the bearing is formed by assembling the at least two split parts. Each split part has position deviation when assembling, leads to split part unable installation in predetermined position, causes split type bearing frame's concentricity to be out of tolerance seriously.

Disclosure of Invention

The utility model provides a bearing seat assembly and a photovoltaic bracket device, which are used for solving the problem that the split bearing seat has serious out-of-concentricity caused by the fact that split parts cannot be installed at preset positions due to the fact that the split parts of a split bearing seat possibly have position deviation during assembly.

In one aspect, an embodiment of the present utility model provides a bearing housing assembly, including a bearing base, a bearing cap, and a positioning assembly; the bearing cover is detachably and fixedly connected with the bearing base, and encloses a mounting cavity for accommodating the rotating part; wherein,,

the bearing base has a first abutment surface in contact with the bearing cap, the bearing cap having a second abutment surface in contact with the bearing base;

the positioning assembly comprises a first positioning piece and a second positioning piece which is matched with the first positioning piece in a counterpoint manner; the first positioning piece is arranged on the first abutting surface, and the second positioning piece is arranged on the second abutting surface; wherein,,

the first positioning piece comprises a first positioning structure and a second positioning structure, and the second positioning piece comprises a third positioning structure in alignment fit with the first positioning structure and a fourth positioning structure in alignment fit with the second positioning structure; wherein,,

the length direction of the first positioning structure is parallel to a first direction, the length direction of the second positioning structure is parallel to a second direction, and the first direction is intersected with the second direction; the first direction and the second direction are parallel to the first abutting surface.

In the technical scheme, the first positioning structure is in counterpoint fit with the third positioning structure, and the second positioning structure is in counterpoint fit with the fourth positioning structure, so that the assembly of the bearing base and the bearing cover can be limited on the plane where the first direction and the second direction are located, the bearing base can be assembled with the bearing cover at a preset position, and the occurrence of the serious phenomenon of out-of-tolerance concentricity caused by position deviation when the bearing base and the bearing cover are assembled is improved.

In some specific embodiments, the first positioning member is a positioning projection or a positioning groove.

In some specific embodiments, the first direction is parallel to an axial direction of the mounting cavity and the second direction is perpendicular to the axial direction of the mounting cavity.

In some specific embodiments, one end of the second positioning structure is connected to the first positioning structure.

In some specific embodiments, the first positioning member is T-shaped.

In some specific embodiments, the bearing base is provided with a first through hole along a third direction, the bearing cover is provided with a second through hole aligned with the first through hole along the third direction, and the first through hole and the second through hole are provided with connecting pieces in a penetrating way; wherein,,

the third direction is perpendicular to the first direction and the second direction, respectively.

In some specific embodiments, at least two of the first through holes are spaced apart on both sides of the second positioning structure in an axial direction of the mounting cavity.

In some specific embodiments, the bearing base is provided with first reinforcing ribs on the outer circumference, and the bearing cover is provided with second reinforcing ribs on the outer circumference.

In some specific embodiments, the inner side of the bearing base is provided with a first arc-shaped section, the inner side of the bearing cover is provided with a second arc-shaped section,

the first arc-shaped section and the second arc-shaped section enclose a bearing outer ring; wherein,,

the bearing outer ring is arranged concentrically with the mounting cavity, and is used for accommodating the rotating part; wherein,,

the rotating part is a bearing without an outer ring.

In another aspect, the present utility model provides a photovoltaic bracket apparatus, including a support member and the above-described bearing housing assembly; wherein,,

the bearing mount is disposed on the support.

Drawings

FIG. 1 is a schematic view of a bearing seat assembly according to an embodiment of the present utility model;

FIG. 2 is a schematic view of a bearing base structure according to an embodiment of the present utility model;

FIG. 3 is a schematic view of a bearing cover according to an embodiment of the present utility model;

fig. 4 is a schematic view of a first abutment surface structure of a bearing seat according to an embodiment of the present utility model;

fig. 5 is a schematic view of a second abutting surface structure of a bearing cap according to an embodiment of the present utility model;

fig. 6 is a schematic structural diagram of a photovoltaic bracket device according to an embodiment of the present utility model.

100. A bearing block assembly; 1. a bearing base; 11. a first abutment surface; 12. a first reinforcing rib; 13. an arc-shaped main body; 14. a bottom plate; 2. a bearing cap; 21. a second abutment surface; 22. a second reinforcing rib; 3. installing a cavity; 4. a positioning assembly; 41. a first positioning member; 411. a first positioning structure; 412. a second positioning structure; 42. a second positioning member; 421. a third positioning structure; 422. a fourth positioning structure; 5. a bearing outer ring; 51. a first arcuate segment; 52. a second arcuate segment; 6. a first through hole; 7. a second through hole; 8. a connecting piece; 9. a rotating part; 200. a support; 210. a column; 220. an L-shaped connector.

Detailed Description

The utility model is further described in detail below by means of the figures and examples. The features and advantages of the present utility model will become more apparent from the description.

The word "exemplary" is used herein to mean "serving as an example, embodiment, or illustration. Any embodiment described herein as "exemplary" is not necessarily to be construed as preferred or advantageous over other embodiments. Although various aspects of the embodiments are illustrated in the accompanying drawings, the drawings are not necessarily drawn to scale unless specifically indicated.

In addition, the technical features described below in the different embodiments of the present utility model may be combined with each other as long as they do not collide with each other.

In order to facilitate understanding of the bearing seat assembly provided by the embodiment of the utility model, an application scenario of the bearing seat assembly is first described, and the bearing seat assembly is an important connecting piece in a photovoltaic bracket device and is used for fixing and supporting a bearing.

The bearing seat is divided into an integral bearing seat and a split bearing seat. In some applications it is desirable to use a split bearing housing.

At present, the split bearing seat generally comprises an upper bearing seat and a lower bearing seat, and a cavity for accommodating a bearing is formed by the upper bearing seat and the lower bearing seat after the upper bearing seat and the lower bearing seat are assembled. The upper bearing seat and the lower bearing seat have position deviation during assembly, so that the upper bearing seat cannot be installed at a preset position and the lower bearing seat, and the concentricity of the split bearing seat is serious. Therefore, the embodiment of the utility model provides a bearing seat assembly which is used for improving the occurrence of serious phenomenon of out-of-concentricity caused by position deviation of each split part of a split bearing seat during assembly. The following detailed description is made with reference to the specific drawings and examples.

Referring to fig. 1, fig. 1 shows a schematic structural diagram of a bearing seat assembly according to an embodiment of the utility model. The bearing seat assembly provided by the embodiment of the utility model comprises a bearing base 1, a bearing cover 2 and a positioning assembly 4. The bearing cap 2 is detachably and fixedly connected with the bearing base 1 and encloses a mounting cavity 3 for accommodating the rotating part 9. The bearing mount 1 is positioned on the bearing mount 1 by means of a positioning assembly 4. The rotating portion 9 is a bearing, or the rotating portion 9 is a bearing provided with no outer race, for example. The positioning component 4 is used for positioning, so that the bearing base 1 is assembled with the bearing cover 2 at a preset position, and the occurrence of serious phenomenon of out-of-concentricity caused by position deviation when the bearing base 1 is assembled with the bearing cover 2 is improved.

When the rotating part 9 is a bearing, the inner side wall of the mounting cavity 3 is fixed with the outer ring of the bearing. The rotating part may be a knuckle bearing, a rolling bearing, or the like.

When the rotating part 9 is a bearing without an outer ring, the outer ring of the bearing is concentrically arranged on the inner side wall of the mounting cavity 3, and the mounting cavity 3 can be directly assembled with the bearing without the outer ring. The rotating portion may be a knuckle bearing without an outer ring, a rolling bearing without an outer ring, or the like.

Referring to fig. 2 and fig. 3 together, fig. 2 shows a schematic structural diagram of a bearing base 1 provided by the embodiment of the present utility model, and fig. 3 shows a schematic structural diagram of a bearing cover 2 provided by the embodiment of the present utility model.

In some embodiments, the inner side of the bearing base 1 is provided with a first arcuate segment 51 and the inner side of the bearing cap 2 is provided with a second arcuate segment 52. The first arc-shaped section 51 and the second arc-shaped section 52 enclose the bearing outer ring 5. Wherein the bearing outer ring 5 is arranged concentrically with the mounting cavity 3, i.e. the axis of the bearing outer ring 5 coincides with the axis of the mounting cavity 3. The bearing outer ring 5 is used for accommodating a rotating part 9, and the rotating part 9 is a bearing without an outer ring. The bearing seat assembly provided by the embodiment of the utility model is provided with the bearing outer ring 5, so that the bearing outer ring 5 is directly assembled with the bearing without the outer ring, the step that the outer ring is fixed with the inner side wall of the mounting cavity 3 in the prior art can be omitted, and the mounting is more convenient.

Illustratively, the first arcuate segment 51 may be integrally formed with the bearing base 1 and the second arcuate segment 52 may be integrally formed with the bearing cover 2.

In addition, if the bearing outer ring 5 surrounded by the first arc-shaped section 51 and the second arc-shaped section 52 can be assembled with a bearing without the outer ring, the position deviation when the first arc-shaped section 51 and the second arc-shaped section 52 are assembled is required to be small, that is, the position deviation when the bearing base 1 and the bearing cover 2 are required to be assembled is required to be small. By positioning the positioning assembly 4, the bearing base 1 can be assembled with the bearing cover 2 at a predetermined position, and positional deviation when the bearing base 1 and the bearing cover 2 are assembled can be reduced.

When the rotating portion 9 is a joint bearing not provided with an outer ring, the inner side surface of the bearing outer ring 5 has a first spherical surface, and the outer surface of the rotating portion 9 has a second spherical surface that is fitted with the first spherical surface. The rotating part 9 is assembled in the bearing outer ring 5, and the first spherical surface is attached to the second spherical surface.

When the rotating portion 9 is a rolling bearing provided with no outer ring, the rotating portion 9 includes a bearing inner ring and balls, which are located between the bearing outer ring 5 and the bearing inner ring.

Referring to fig. 4 and 5, fig. 4 shows a schematic structural view of a first abutment surface 11 of a bearing base 1 according to an embodiment of the present utility model, and fig. 5 shows a schematic structural view of a second abutment surface 21 of a bearing cover 2 according to an embodiment of the present utility model. The bearing mount 1 has a first abutment surface 11 in contact with the bearing cap 2, and the bearing cap 2 has a second abutment surface 21 in contact with the bearing mount 1. The first abutment surface 11 is arranged in parallel with the second abutment surface 21.

For convenience of description, an XYZ coordinate system is constructed. Wherein, the Y direction is parallel to the axial direction of the mounting cavity 3, the X direction is perpendicular to the axial direction of the mounting cavity 3, the plane where the X direction and the Y direction are located is parallel to the first contact surface 11, and the Z direction is perpendicular to the X direction and the Y direction, respectively.

The positioning assembly 4 comprises a first positioning piece 41 and a second positioning piece 42 which is matched with the first positioning piece 41 in a counterpoint manner. The first positioning piece 41 is provided on the first abutment surface 11, and the second positioning piece 42 is provided on the second abutment surface 21. The bearing cover 2 can be arranged on the bearing base 1 at a preset position through the alignment fit of the first positioning piece 41 and the second positioning piece 42, so that the phenomenon that the concentricity of the bearing seat assembly is out of tolerance seriously due to the position deviation existing when the bearing base 1 and the bearing cover 2 are assembled is improved.

In some alternative embodiments, the first positioning member 41 is a positioning projection or a positioning groove.

When the first positioning member 41 is a positioning protrusion, the second positioning member 42 is a positioning groove aligned with the positioning protrusion, and the first positioning member 41 is inserted into the second positioning member 42.

When the first positioning member 41 is a positioning groove, the second positioning member 42 is a positioning protrusion aligned with the positioning groove, and the second positioning member 42 is inserted into the first positioning member 41.

In some specific embodiments, the first positioning member 41 has a polygonal cross-sectional shape. Illustratively, the cross-sectional shape of the first positioning member 41 may be rectangular, prismatic, triangular, or the like. The second positioning member 42 is aligned with the first positioning member 41, so that the cross-sectional shape of the second positioning member 42 can be rectangular, prismatic or triangular. When the cross-sectional shape of the first positioning member 41 is rectangular, the cross-sectional shape of the second positioning member 42 is rectangular.

Referring to fig. 4, the first positioning member 41 includes a first positioning structure 411 and a second positioning structure 412. The length direction of the first positioning structure 411 is parallel to the first direction, the length direction of the second positioning structure 412 is parallel to the second direction, and the first direction intersects with the second direction. The first direction and the second direction are parallel to the first abutment surface 11.

The second positioning member 42 includes a third positioning structure 421 aligned with the first positioning structure 411 and a fourth positioning structure 422 aligned with the second positioning structure 412. That is, the length direction of the third positioning structure 421 is parallel to the first direction, the length direction of the fourth positioning structure 422 is parallel to the second direction, and the first direction intersects the second direction. The first direction and the second direction are parallel to the second abutment surface 21.

Through the alignment matching of the first positioning structure 411 and the third positioning structure 421 and the alignment matching of the second positioning structure 412 and the fourth positioning structure 422, the assembly of the bearing base 1 and the bearing cover 2 can be limited on the plane where the first direction and the second direction are located, so that the bearing base 1 can be assembled with the bearing cover 2 at a preset position, and the occurrence of the serious phenomenon of excessive concentricity caused by the position deviation when the bearing base 1 and the bearing cover 2 are assembled is improved.

As an alternative, the first direction is parallel to the Y direction and the second direction is parallel to the X direction. The first direction intersects the second direction, and the plane where the first direction and the second direction are located is parallel to the first contact surface 11.

That is, the length direction of the first positioning structure 411 is parallel to the Y direction, the length direction of the second positioning structure 412 is parallel to the X direction, and the planes of the first positioning structure 411 and the length direction of the second positioning structure 412 are parallel to the first contact surface 11.

The length direction of the third positioning structure 421 is parallel to the Y direction, the length direction of the fourth positioning structure 422 is parallel to the X direction, and the planes of the length direction of the third positioning structure 421 and the length direction of the fourth positioning structure 422 are parallel to the second abutting surface 21.

In some specific embodiments, one end of the second positioning structure 412 is connected to the first positioning structure 411. One end of the fourth positioning structure 422 is connected to the third positioning structure 421.

Illustratively, the first positioning member 41 formed by connecting the first positioning structure 411 provided in this embodiment and the second positioning structure 412 provided in this embodiment may have a T-shape, an L-shape, a ten-shape, or the like. The shape of the second positioning member 42 formed by connecting the third positioning structure 421 provided by this embodiment and the fourth positioning structure 422 provided by this embodiment may be T-shaped, L-shaped, or ten-shaped. Since the first positioning member 41 is aligned with the second positioning member 42, the shape of the first positioning member 41 corresponds to the shape of the second positioning member 42, and when the shape of the first positioning member 41 is L-shaped, the shape of the second positioning member 42 is L-shaped. When the first positioning member 41 is T-shaped, the second positioning member 42 is T-shaped.

Reference is made to fig. 1, 2 and 3 together. In some embodiments, the bearing base 1 is provided with a first through hole 6 along a third direction, the bearing cover 2 is provided with a second through hole 7 aligned with the first through hole 6 along the third direction, and the first through hole 6 and the second through hole 7 are provided with a connecting piece 8. The third direction is perpendicular to the first direction and the second direction respectively. The connecting piece 8 connects the bearing base 1 and the bearing cover 2 detachably and fixedly in the third direction.

By way of example, the connection element 8 may be a bolt or a bolt assembly or the like.

When the connecting piece 8 is a bolt, the first through hole 6 may be a threaded hole, the second through hole 7 may be a unthreaded hole, the connecting piece 8 is sequentially inserted into the second through hole 7 and the first through hole 6 along the third direction, and the connecting piece 8 is screwed with the first through hole 6 so as to detachably fix the bearing base 1 and the bearing cover 2 along the third direction.

When the connecting piece 8 is a bolt, the first through hole 6 may be a light hole, the second through hole 7 may be a threaded hole, the connecting piece 8 is sequentially inserted into the first through hole 6 and the second through hole 7 along the third direction, and the connecting piece 8 is screwed with the second through hole 7 so as to detachably fix the bearing base 1 and the bearing cover 2 along the third direction.

When the connecting piece 8 is a bolt assembly, the connecting piece 8 may include a bolt and a nut, the bolt is disposed in the first through hole 6 and the second through hole 7, and the nut is used for being screwed with the bolt to detachably fix the bearing base 1 and the bearing cover 2 along the third direction.

In some specific embodiments, the third direction is parallel to the Z-direction, the bearing mount 1 is provided with a first through hole 6 in the Z-direction, and the bearing cap 2 is provided with a second through hole 7 in the Z-direction. The connecting piece 8 is penetrated in the first through hole 6 and the second through hole 7 along the Z direction so as to fix the bearing base 1 and the bearing cover 2. If the connecting piece 8 is taken out from the first through hole 6 and the second through hole 7 respectively, the bearing base 1 and the bearing cover 2 can be detached.

Referring to fig. 1 and 2, in some embodiments, at least two of the first through holes 6 are aligned on both sides of the second positioning structure 412 in the Y direction. Therefore, at least two connecting pieces 8 are arranged on both sides of the second positioning structure 412 along the Y direction to detachably fix the bearing base 1 and the bearing cover 2.

Through the arrangement mode that at least two connecting pieces 8 are respectively arranged on two sides of the second positioning structure 412 along the Y direction, when the bearing base 1 and the bearing cover 2 are fixed, the contact stress between the first abutting surface 11 and the second abutting surface 21 is even, the fitting degree of the first abutting surface 11 and the second abutting surface 21 is increased, the assembly gap between the bearing base 1 and the bearing cover 2 is reduced, and the occurrence of the serious phenomenon of excessive concentricity after the bearing base 1 and the bearing cover 2 are assembled is improved.

With continued reference to fig. 2 and 3, in some embodiments, the outer side of the bearing mount 1 is circumferentially provided with first ribs 12 and the outer side of the bearing cap 2 is circumferentially provided with second ribs 22. Through the first reinforcing ribs 12, the structural strength and rigidity of the bearing base 1 can be increased under the condition that the thickness of the bearing base 1 is not increased, and the possibility of deformation of the bearing base 1 due to torsion and bending moment is reduced, so that the material consumption is saved, the weight is reduced, and the cost is reduced. Similarly, by the second reinforcing ribs 22, the structural strength and rigidity of the bearing cover 2 can be increased without increasing the thickness of the bearing cover 2, and the possibility of deformation of the bearing cover 2 due to torque and bending moment can be reduced, so that the material consumption can be saved, the weight can be reduced, and the cost can be reduced.

The first reinforcing rib 12 and the second reinforcing rib 22 are each of an arc-shaped structure, for example. The inner side surface of the first reinforcing rib 12 is connected with the outer side surface of the bearing base 1, and the plane of the first reinforcing rib 12 is parallel to the planes of the X direction and the Z direction. The inner side surface of the second reinforcing rib 22 is connected with the outer side surface of the bearing cap 2, and the plane of the second reinforcing rib 22 is parallel to the planes of the X direction and the Z direction.

In some specific embodiments, the bearing mount 1 includes an arcuate body 13 and a floor 14. Wherein, arc main part 13 lateral surface is connected with bottom plate 14, and the lateral surface circumference of arc main part 13 is provided with first strengthening rib 12. The first reinforcing rib 12 extends to the surface of the base plate 14 near one end of the base plate 14 and is connected to the base plate 14. The first reinforcing rib 12 is triangular at one end near the bottom plate 14, and is used for supporting the arc-shaped main body 13 and improving the load capacity of the arc-shaped main body 13. It should be appreciated that the shape of the end of the first stiffener 12 near the bottom plate 14 may also be other shapes.

Referring to fig. 6, fig. 6 shows a schematic structural diagram of a photovoltaic bracket device according to an embodiment of the present utility model. The utility model provides a photovoltaic bracket device, which comprises a supporting piece 200 and the bearing seat assembly 100. Wherein the bearing mount 1 is arranged on the support 200. Illustratively, the bottom plate 14 of the bearing mount 1 is connected to the support 200 by a screw connection.

In some embodiments, support 200 includes a post 210 and an L-shaped connector 220. The L-shaped connecting piece 220 includes a first connecting portion and a second connecting portion, and one end of the first connecting portion is connected with one end of the second connecting portion. Wherein, the first connecting portion is connected with the upright post 210, and the second connecting portion is connected with the bearing base 1. As shown in fig. 6, specifically, the first connection portion is parallel to the plane in which the Y direction and the Z direction are located, and the second connection portion is parallel to the plane in which the X direction and the Y direction are located.

In some specific embodiments, the cross-sectional shape of the post 210 is H-shaped. The column 210 comprises two flanges parallel to each other and a web. As shown in fig. 6, specifically, the flange plate is parallel to the plane in which the Y direction and the Z direction lie. The web is parallel to the plane in which the X direction and the Z direction are located. The first connecting portion is connected with the flange plate in a threaded mode, and the second connecting portion is connected with the bearing base 1 in a threaded mode.

In the description of the present utility model, it should be noted that the directions or positional relationships indicated by the terms "upper", "lower", "inner", "outer", "front", "rear", "left", "right", etc. are directions or positional relationships based on the operation state of the present utility model are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements to be referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

In the description of the present utility model, it should be noted that the terms "mounted," "connected," and "connected" are to be construed broadly, unless otherwise specifically defined and limited. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

The utility model has been described above in connection with preferred embodiments, which are, however, exemplary only and for illustrative purposes. On this basis, the utility model can be subjected to various substitutions and improvements, and all fall within the protection scope of the utility model.

Claims

1. The bearing seat assembly is characterized by comprising a bearing base, a bearing cover and a positioning assembly; the bearing cover is detachably and fixedly connected with the bearing base, and encloses a mounting cavity for accommodating the rotating part; wherein,,

2. The bearing housing assembly of claim 1, wherein the first positioning member is a positioning tab or a positioning groove.

3. The bearing housing assembly of claim 1, wherein the first direction is parallel to an axial direction of the mounting cavity and the second direction is perpendicular to the axial direction of the mounting cavity.

4. A bearing housing assembly according to claim 3, wherein one end of the second locating formation is connected to the first locating formation.

5. The bearing housing assembly of claim 4 wherein said first positioning member is T-shaped.

6. A bearing housing assembly according to claim 3, wherein the bearing mount is provided with a first through hole in a third direction, the bearing cap is provided with a second through hole aligned with the first through hole in the third direction, and the first through hole and the second through hole are provided with connecting pieces in a penetrating manner; wherein,,

7. The housing assembly of claim 6, wherein at least two of said first through holes are spaced apart on either side of said second locating structure in an axial direction of said mounting cavity.

8. The bearing housing assembly of claim 1, wherein the bearing mount is provided with first ribs circumferentially on an outer side and the bearing cap is provided with second ribs circumferentially on an outer side.

9. The bearing housing assembly according to any one of claims 1 to 8, wherein a first arcuate segment is provided on an inner side of the bearing base, a second arcuate segment is provided on an inner side of the bearing cover, and the first arcuate segment and the second arcuate segment enclose a bearing outer race; wherein,,

the rotating part is a bearing without an outer ring.

10. A photovoltaic bracket apparatus comprising a support and a bearing housing assembly according to any one of claims 1 to 9; wherein,,

the bearing mount is disposed on the support.