Bearing assembly and photovoltaic tracking support

Abstract

The utility model relates to the technical field of photovoltaic equipment, and discloses a bearing assembly and a photovoltaic tracking support, the bearing assembly comprises a first bearing split body, a second bearing split body and a limiting structure, and the first bearing split body and the second bearing split body are precisely butted and fixed through corresponding concave-convex structures. A mounting space penetrating through the axial direction is formed between the first bearing split body and the second bearing split body and used for mounting a transmission shaft of the photovoltaic support, and the limiting structure is arranged between the first bearing split body and the second bearing split body and used for connecting the first bearing split body and the second bearing split body into a whole, so that the phenomenon that the transmission shaft does not rotate in the operation process is effectively prevented, and the service life of the transmission shaft is prolonged. And the stability and the tracking precision of the whole photovoltaic tracking support system can be obviously improved.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of photovoltaic devices, and further relates to a bearing assembly and a photovoltaic tracking support. BACKGROUND

[0002] As a core component in a multi-point driving system, the performance of the bearing directly affects the stable rotation ability of the transmission shaft (such as a main shaft, a synchronous shaft) and the accurate operation efficiency of the tracking support. In the application scenario of multi-point driving, the bearing not only needs to bear complex load, but also needs to keep synchronous rotation with the transmission shaft to ensure the coordination and response speed of the entire system. At present, considering the convenience of processing and installation, split bearings are more and more widely used. However, the connection and positioning mode of the bearing in the prior art has limitations, especially in the connection between the split bodies of the bearing. The split bearing only relies on the positioning of the slot, lacks effective limiting structure, and thus the split bodies of the bearing may be separated during the rotation of the transmission shaft, thereby affecting the synchronization of the rotation of the bearing and the transmission shaft. CONTENT OF THE UTILITY MODEL

[0003] In view of the above technical problems, the purpose of the present application is to provide a bearing assembly and a photovoltaic tracking support, which can prevent the separation phenomenon between the split bodies of the bearing, so that the bearing can rotate synchronously with the transmission shaft, and improve the stability and synchronization of the bearing.

[0004] In order to achieve the above purpose, the present application provides a bearing assembly, comprising:

[0005] A first bearing split body and a second bearing split body, the first bearing split body and the second bearing split body are respectively provided with corresponding concave-convex structures for docking and fixing, and together form an installation space for installing a transmission shaft of a photovoltaic support;

[0006] A limiting structure is arranged between the first bearing split body and the second bearing split body, and is used for connecting the first bearing split body and the second bearing split body to form a whole.

[0007] In some embodiments, the first bearing split body and the second bearing split body are respectively half-ring profiles, and the outer surfaces of the first bearing split body and the second bearing split body are respectively spherical surfaces, the concave-convex structure includes a recess and a protrusion, and when the first bearing split body and the second bearing split body are connected, the protrusion is clamped into the recess;

[0008] Wherein, the two end portions of the first bearing split body are respectively provided with the protrusion, and the two end portions of the second bearing split body are respectively provided with the recess;

[0009] Or, two ends of the first bearing part are respectively provided with the convex part and the concave part, and two ends of the second bearing part are respectively provided with the concave part and the convex part correspondingly.

[0010] In some embodiments, the limiting structure comprises a first mounting position provided on the first bearing part, a second mounting position provided on the second bearing part, and a locking member, the first mounting position and the second mounting position are arranged in a staggered manner with the convex-concave structure.

[0011] The locking member is used to pass through the first mounting position and the second mounting position at the same time, so as to lock and fix the first bearing part and the second bearing part.

[0012] In some embodiments, the number of the first mounting positions is at least two, the first mounting positions are respectively arranged corresponding to two ends of the first bearing part, and the second mounting positions are arranged corresponding to the first mounting positions.

[0013] Each of the first mounting positions comprises a first mounting hole and a first sliding groove in communication with the first mounting hole, the first sliding groove is arranged on the outer peripheral wall of the first bearing part, and the first mounting hole is arranged on the butt joint end face of the first bearing part.

[0014] Each of the second mounting positions comprises a second mounting hole and a second sliding groove in communication with the second mounting hole, the second sliding groove is arranged on the outer peripheral wall of the second bearing part, and the second mounting hole is arranged on the butt joint end face of the second bearing part, so that the locking member can pass through the first mounting hole and the second mounting hole at the same time to connect and lock the first bearing part and the second bearing part, and the locking member is wholly embedded in the first sliding groove and the second sliding groove.

[0015] In some embodiments, the limiting structure comprises a buckle part and a clamping groove part arranged correspondingly.

[0016] The buckle part is arranged on the convex part, and the extension direction of the buckle part is different from the extension direction of the convex part, the concave part has an opening adapted to allow the buckle part to enter, the clamping groove part is in communication with the interior of the concave part, and is used to cooperate with the buckle part entering the concave part; the buckle part is vertically connected to the side edge of the convex part, so that the two together form an L-shaped contour, and the overall contour formed by the concave part and the clamping groove part is consistent with the L-shaped contour.

[0017] In some embodiments, the buckle part comprises at least two first clamping members arranged on the same side and at least two second clamping members arranged on the same side, the first clamping members and the second clamping members are arranged in opposite directions, and a first limiting gap is formed between the first clamping members, and a second limiting gap is formed between the second clamping members.

[0018] The inner wall of the clamping groove part is provided with at least two limiting bosses for clamping with the first limiting gap and the second limiting gap.

[0019] In some embodiments, the protruding part is split type, comprising a first protrusion and a second protrusion, the first clamping members are arranged on the first protrusion, and the second clamping members are arranged on the second protrusion, wherein the first protrusion and the second protrusion have a first preset gap; the buckle part comprises at least two third clamping members arranged on the same side surface of the protruding part and facing away from the mounting space, and adjacent two third clamping members have a third preset gap; wherein when the first bearing body and the second bearing body are connected, the third clamping members enter the recess part and the clamping groove part in sequence to complete clamping.

[0020] In some embodiments, the clamping groove part is connected with a dismounting port at one end away from the recess part, the dismounting port is communicated with the outside, and an acting force is applied to the buckle part in the clamping groove part through the dismounting port; the recess part is in a converging state in the mounting direction of the buckle part, thereby forming a wide port and a narrow port at two ends thereof, and the clamping groove part is connected with the recess part from the side of the narrow port.

[0021] Another aspect of the present application also provides a photovoltaic tracking support, comprising:

[0022] a column;

[0023] a driving mechanism;

[0024] a bearing seat installed at the top of the column, the bearing seat having a containing space;

[0025] the above-mentioned bearing assembly, the first bearing part and the second bearing part are simultaneously installed in the containing space;

[0026] a transmission shaft installed in the containing space, the transmission shaft driving the bearing assembly to rotate synchronously under the driving of the driving mechanism.

[0027] In some embodiments, the transmission shaft is a main shaft, the main shaft is in transmission connection with the first power output end of the driving mechanism; or, the transmission shaft is a synchronous shaft, the synchronous shaft is in transmission connection with the second power output end of the driving mechanism.

[0028] Compared with the prior art, the bearing assembly and the photovoltaic tracking support provided by the application have the following beneficial effects:

[0029] 1. By arranging corresponding convex and concave structures between the first bearing part and the second bearing part, the accurate butt joint and fixation of the two bearing parts are realized, the overall stability of the bearing assembly is improved, the limiting structure arranged between the first bearing part and the second bearing part effectively limits the separation of the two bearing parts during rotation, thereby avoiding the transmission shaft and reducing the friction and wear between the bearing parts, and prolonging the service life of the bearing.

[0030] 2. By arranging corresponding first mounting holes and second mounting holes at the ends of the first bearing part and the second bearing part, the locking piece can pass through the hole positions to realize the connection and locking of the two bearing parts, thereby significantly enhancing the connection strength between the bearing parts. On the other hand, the locking piece is embedded in the first sliding groove and the second sliding groove as a whole, so that the locking piece does not protrude outside the bearing part, ensuring the normal cooperation of the bearing and the bearing seat, and also reducing the risk of damage to the locking piece caused by external factors.

[0031] 3. Corresponding clamping structures are arranged on the protruding part and in the recessed part, and the relative fixation of the two bearing parts is formed by the mutual cooperation and clamping of the buckle part and the clamping groove part, which can ensure that the bearing parts do not slide or separate relative to each other, thereby improving the reliability of the overall structure. BRIEF DESCRIPTION OF DRAWINGS

[0032] The above-mentioned features, technical characteristics, advantages and implementation modes of the application will be further described in the following preferred embodiments in a clear and easy-to-understand manner, combined with the accompanying drawings.

[0033] Figure 1 is the overall structure schematic diagram of the bearing assembly in an embodiment of the application;

[0034] Figure 2 is the assembly schematic diagram of the bearing assembly in an embodiment of the application;

[0035] Figure 3 is the partial cross-sectional schematic diagram of an embodiment of the application;

[0036] Figure 4 is the overall structure schematic diagram of the bearing assembly in an embodiment of the application;

[0037] Figure 5 is the assembly schematic diagram of the bearing assembly in an embodiment of the application;

[0038] Figure 6 is the partial exploded structure schematic diagram of an embodiment of the application;

[0039] Figure 7 is a schematic diagram of a partial structure of one embodiment of the present application;

[0040] Figure 8 is a schematic diagram of a partial structure of one embodiment of the present application;

[0041] Figure 9 is a schematic diagram of a partial cross-section of one embodiment of the present application.

[0042] Explanation of reference signs: first bearing part 1; mounting space 100; first outer surface 101; first mounting position 11; first mounting hole 110; first sliding groove 111; second bearing part 2; second outer surface 201; second mounting position 21; second mounting hole 210; second sliding groove 211; recessed part 30; protruding part 31; locking member 4; clamping groove part 50; limiting protrusion 501; clamping buckle part 51; first protrusion 5101; second protrusion 5102; first clamping hook member 511; second clamping hook member 512; third clamping hook member 513; dismounting opening 6. DETAILED DESCRIPTION

[0043] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, specific embodiments of the present application will be described below with reference to the drawings. Obviously, the drawings in the following description only represent some embodiments of the present application, and for those skilled in the art, other drawings can be obtained from these drawings without creative effort, and other embodiments can also be obtained.

[0044] In order to make the drawings simple, only the parts related to the application are shown in each drawing, and they do not represent the actual structure of the product. In addition, in order to make the drawings simple and easy to understand, in some drawings, only one of the components with the same structure or function is shown schematically, or only one of them is marked. In this text, "one" not only means "only one", but also means "more than one".

[0045] It should be further understood that the term "and / or" used in the present application specification and the appended claims means any combination of one or more of the associated listed items and all possible combinations, and includes these combinations.

[0046] In this document, unless otherwise indicated and limited, the terms "mount", "connected", "connection" should be understood broadly, for example, can be fixed connection, can also be detachable connection, or integral connection; can be mechanical connection, can also be electrical connection; can be directly connected, can also be indirectly connected through an intermediate medium, can be internal communication of two elements. For those skilled in the art, the specific meaning of the above terms in this application can be understood according to the specific circumstances.

[0047] In the description of the present application, it should be understood that the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "circumferential" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the present application.

[0048] In addition, in the description of the present application, the terms "first", "second" and the like are only used to distinguish the description and cannot be understood as indicating or implying relative importance.

[0049] At present, in the existing tracking support multi-point driving system, the bearing assembly plays a crucial role, and its performance is directly related to the stable rotation of the transmission shaft and the accurate operation of the tracking support. However, the bearing assembly in the prior art has some significant limitations.

[0050] Specifically, the connection between the bearing split bodies usually only relies on simple slot positioning, lacks effective limiting structure, and causes the upper and lower bearing split bodies to be separated during the rotation of the transmission shaft, thereby affecting the synchronous rotation of the bearing and the transmission shaft. This separation phenomenon not only reduces the service life of the bearing, but also affects the stability and tracking accuracy of the entire tracking support system.

[0051] Therefore, in order to solve the problems existing in the prior art, the present application provides a bearing assembly which can avoid the separation phenomenon of the bearing split bodies during rotation, and provides a more stable and reliable connection.

[0052] Reference is made to the accompanying drawings Figure 1 and Figure 2The bearing assembly provided by the application comprises a first bearing part 1, a second bearing part 2 and a limiting structure. The first bearing part 1 and the second bearing part 2 are arranged in a matching mode, and are provided with corresponding concave-convex structures for docking and fixing. Meanwhile, the first bearing part 1 and the second bearing part 2 jointly form an installation space 100 extending along an axial direction, which is used for installing a transmission shaft of a photovoltaic support. The first outer surface 101 of the first bearing part 1 and the second outer surface 201 of the second bearing part 2 are spherical surfaces respectively, so that the outer contour of the bearing assembly after the combination of the first bearing part 1 and the second bearing part 2 is a spherical surface structure, and the movement of the bearing assembly in the bearing seat has better flexibility in each direction, avoiding the jamming phenomenon of the bearing assembly during rotation.

[0053] Meanwhile, it can be understood that the first bearing part 1 and the second bearing part 2 can be directly assembled on the transmission shaft without the need of pre-assembly and then inserting the entire bearing assembly into the transmission shaft. Through this design, the installation steps are simplified, the assembly speed is accelerated, and the errors that may occur in the assembly process are reduced. On the other hand, even in the maintenance stage, this design makes the disassembly and replacement of the bearing assembly easier, reducing the difficulty and cost of maintenance.

[0054] In addition, through the concave-convex structure of the first bearing part 1 and the second bearing part 2, the docking and fixing process of the bearing parts is simplified, and the installation difficulty and time cost are reduced. Furthermore, the concave-convex structure can include guiding features such as gradual slopes or steps, which help to guide the correct docking of the two bearing parts and reduce errors in the assembly process.

[0055] More importantly, the limiting structure in the embodiment is arranged between the first bearing part 1 and the second bearing part 2 to limit the separation of the two bearing parts during rotation, significantly reducing the non-following phenomenon of the bearing assembly during the operation of the transmission shaft, thereby ensuring the stability of the transmission shaft during operation and preventing performance degradation caused by improper movement of the bearing parts.

[0056] It should be noted that the specific arrangement of the limiting structure is not limited in the embodiment. In some cases, the limiting structure is designed to adaptively adjust to meet the assembly requirements under different conditions. In other words, when assembling the first bearing part 1 and the second bearing part 2, the limiting structure can automatically adjust its position or tension, etc., to ensure the close fit between the two bearing parts without the need for additional tools for adjustment. Alternatively, the limiting structure can be manually adjusted, so that the operator can adjust the tension or position of the limiting structure through manual mode according to the actual assembly situation, thereby accurately controlling the close fit between the first bearing part 1 and the second bearing part 2.

[0057] Based on the above embodiments, both the first bearing component 1 and the second bearing component 2 have a semi-circular profile, and the concave-convex structure includes a recessed portion 30 and a protruding portion 31.

[0058] One such case is that... Figure 2 In this configuration, both ends of the first bearing assembly 1 are provided with protrusions 31, while both ends of the second bearing assembly 2 are provided with corresponding recesses 30. During assembly, the protrusions 31 of the first bearing assembly 1 are inserted into the recesses 30 of the second bearing assembly 2, thereby connecting and positioning the two bearing assemblies.

[0059] Conversely, there is another situation where the two ends of the first bearing body 1 are respectively provided with a protrusion 31 and a recess 30, and the two ends of the second bearing body 2 are also respectively provided with a recess 30 and a protrusion 31. These two situations allow for selection and adjustment as needed in different application scenarios.

[0060] Understandably, the precise connection and positioning between the two semi-annular bearing components is achieved through the cooperation of the protrusion 31 and the recess 30, ensuring the stability and reliability of the bearing assembly. Operators can manually insert the protrusion 31 of the first bearing component 1 into the recess 30 of the second bearing component 2 for rapid assembly; on highly automated production lines, robotic arms or specialized assembly equipment can be used to automatically complete the docking and assembly of the protrusion 31 and the recess 30.

[0061] In one embodiment, such as Figure 4 As shown, the limiting structure includes a first mounting position 11 on the first bearing segment 1, a second mounting position 21 on the second bearing segment 2, and a locking member 4.

[0062] The first mounting position 11 and the second mounting position 21 are both offset from the concave and convex structure. During operation, the locking member 4 passes through the two mounting positions at the same time to lock and fix the first bearing split 1 and the second bearing split 2, thereby effectively preventing the two from separating. Moreover, during the assembly process, the operator can adjust the tightening force of the locking member 4 as needed to ensure that the fit between the two bearing splits is tight enough.

[0063] In this embodiment, the first mounting position 11 and the second mounting position 21 are offset from the concave and convex structures, meaning they are spatially staggered. This design ensures that the locking component 4 will not contact or interfere with the concave and convex structures when passing through the mounting positions, thus guaranteeing smooth and reliable assembly. Meanwhile, the locking component 4 can be a bolt, pin, or other type of fastener; details are omitted here, as long as it can pass through the first mounting position 11 and the second mounting position 21 to lock and fix the two bearings separately.

[0064] Further, at least one first mounting position 11 is arranged at each end of the first bearing part 1, and at least one second mounting position 21 is arranged at each end of the second bearing part 2.

[0065] Referring to the drawings Figure 4 and Figure 5 Each first mounting position 11 comprises a first mounting hole 110 and a first sliding groove 111 connected therewith, the first sliding groove 111 is located on the outer circumferential wall of the first bearing part 1, and the first mounting hole 110 is arranged on the abutting end face of the first bearing part 1. Similarly, each second mounting position 21 comprises a second mounting hole 210 and a second sliding groove 211 connected therewith, the second sliding groove 211 is located on the outer circumferential wall of the second bearing part 2, and the second mounting hole 210 is arranged on the abutting end face of the second bearing part 2.

[0066] Based on the above design, the locking member 4 can pass through the first mounting hole 110 and the second mounting hole 210 at the same time, so as to connect and lock the first bearing part 1 and the second bearing part 2, and make the locking member 4 wholly embedded in the first sliding groove 111 and the second sliding groove 211.

[0067] It can be understood that, by arranging two or more mounting positions at the ends of the two bearing parts respectively, the stability of the connection is enhanced, so that the bearing parts can maintain accurate positional relationship under various working conditions.

[0068] Meanwhile, the first sliding groove 111 and the second sliding groove 211 are arranged on the outer circumferential walls of the first bearing part 1 and the second bearing part 2 respectively, these sliding grooves are connected with the mounting holes, so as to provide a guiding effect for the locking member 4, and ensure that the locking member 4 can pass through the mounting holes accurately, thereby improving the accuracy and reliability of assembly. The sliding grooves can be designed as rectangular, cylindrical or other suitable shapes, so as to ensure the smoothness and accurate positioning of the locking member 4 when passing through. In general, the shape and size of the sliding grooves are matched with the cross section of the locking member 4, so as to realize the smooth sliding of the locking member 4.

[0069] On the other hand, the locking member 4 is wholly embedded in the first sliding groove 111 and the second sliding groove 211, which maintains the continuity and flatness of the external profile of the bearing assembly, ensures the smooth contact when cooperating with the bearing seat, and reduces the friction and wear.

[0070] In an embodiment, as Figure 2 and Figure 3As shown, the limiting structure comprises corresponding snap portion 51 and card slot portion 50. Specifically, the snap portion 51 is provided on the protruding portion 31, the extension direction of the snap portion 51 is different from the extension direction of the protruding portion 31, and is usually provided as a protruding structure or a hook-shaped structure; at the same time, the recess portion 30 in the above content has an opening for the snap portion 51 to enter, and the card slot portion 50 is in communication with the recess portion 30 from the inside thereof, for cooperating with the snap portion 51 entering the recess portion 30.

[0071] It can be understood that in the embodiment, the cooperation of the snap portion 51 and the card slot portion 50 provides stable limiting for the bearing split body, effectively prevents the separation of the bearing during operation, thereby reducing the non-following rotation phenomenon of the transmission shaft, and since the snap connection mode is adopted in the embodiment, the operator can realize rapid assembly without complex tools or additional adjustment steps.

[0072] Further, one end of the card slot portion 50 away from the recess portion 30 is connected with a dismounting port 6, and specifically, reference can be made to the drawings Figure 1 and Figure 2 The dismounting port 6 is through to the outside, for applying force to the snap portion 51 in the card slot portion 50 through the dismounting port 6, so that it can move in the direction of falling off, to carry out dismounting work.

[0073] In the actual dismounting process, appropriate tools (such as an elongated crowbar or a special dismounting tool) can be selected to extend into the card slot portion 50 through the dismounting port 6 and contact the snap portion 51, so as to apply the required force to it, and gently push or pull the snap portion 51 to make it separate from the card slot portion 50.

[0074] On the other hand, the existence of the dismounting port 6 also provides convenience for the injection molding of the bearing split body, especially in the production process of plastic bearings, the dismounting port 6 can be used as a mold exhaust and demolding channel, which helps to improve production efficiency and product quality.

[0075] In one embodiment, based on the above embodiment, the snap portion 51 is vertically connected to the side edge of the protruding portion 31, forming an L-shaped profile, and the overall profile formed by the recess portion 30 and the card slot portion 50 matches the L-shaped profile. In specific operation, once the snap portion 51 is inserted into the card slot portion 50 and locked, the L-shaped profile can ensure that the snap portion 51 is not easy to fall out.

[0076] It can be understood that, referring to the drawings Figure 3 , the L-shaped profile formed by the snap portion 51 and the protruding portion 31 can provide a larger contact area when the snap portion 51 is inserted into the card slot portion 50, thereby enhancing the stability of the connection and effectively preventing relative displacement of the two bearing split bodies.

[0077] In one embodiment, as shown inFigure 6 and Figure 7 As shown in FIG. 1, the buckle part 51 includes at least two first hook members 511 arranged on the same side and at least two second hook members 512 arranged on the same side, and the protruding directions of the first hook members 511 and the second hook members 512 are opposite.

[0078] Specifically, a first limiting gap is formed between the first hook members 511, a second limiting gap is formed between the second hook members 512, and the inner wall of the clamping groove part 50 is provided with at least two limiting bosses 501 for clamping corresponding to the first limiting gap and the second limiting gap, so as to ensure that the buckle part 51 is kept in the correct position in the clamping groove part 50, prevent the buckle part 51 from falling off due to vibration or impact, and strengthen the limiting effect.

[0079] It can be understood that, in the embodiment, the double or even multi-layer arrangement of the first hook members 511 and the second hook members 512 significantly enhances the reliability of the buckle structure, provides multiple contact points, makes the connection between the buckle part 51 and the clamping groove part 50 more stable, and improves the carrying capacity of the bearing assembly.

[0080] In addition, in the embodiment, the hook members or the buckle part 51 as a whole can produce a certain elastic deformation, so that in the assembly process, the hook members can be temporarily compressed to adapt to the limiting bosses 501, and then rebound to clamp after being in place.

[0081] Based on the above embodiment, further, the buckle part 51 is arranged in a split manner, specifically including a split first protrusion 5101 and a split second protrusion 5102, and a first preset gap is arranged between the two. The first hook members 511 are arranged on the first protrusion 5101, and the second hook members 512 are arranged on the second protrusion 5102.

[0082] In the assembly process, the buckle part 51 needs to enter the clamping groove part 50, and the first preset gap between the first protrusion 5101 and the second protrusion 5102 allows the buckle part 51 to produce a certain elastic deformation when entering the clamping groove part 50, which provides a necessary deformable amount to ensure smooth assembly. On the other hand, the first preset gap provides appropriate elastic buffering for the buckle part 51, which helps to reduce wear caused by repeated assembly and disassembly in long-term operation, thereby prolonging the service life of the assembly.

[0083] In one embodiment, unlike the arrangement of the above embodiment, as shown in FIG. 2, the buckle part 51 includes at least two third hook members 513 arranged on the same side surface of the protruding part 31, and the directions of the third hook members 513 are opposite to the mounting space 100. The third hook members 513 enter the recessed part 30 first in the assembly process, and then correspondingly clamp with the clamping groove part 50. Figure 8 and Figure 9 As shown in FIG. 2, the buckle part 51 includes at least two third hook members 513 arranged on the same side surface of the protruding part 31, and the directions of the third hook members 513 are opposite to the mounting space 100. The third hook members 513 enter the recessed part 30 first in the assembly process, and then correspondingly clamp with the clamping groove part 50.

[0084] As shown in the attached figure, there is a third preset gap between two adjacent third hook parts 513, which provides a certain elastic deformation space during the assembly process. This allows the third preset gap to generate a certain compression when the size of the drive shaft is too large, thereby enabling the drive shaft and bearing assembly to adapt to each other. This ensures that even with slight machining errors, the buckle part 51 can be smoothly assembled into place, thereby improving the operating accuracy and stability of the bearing assembly.

[0085] Understandably, the gap between the two third hook parts 513 allows the buckle part 51 to adapt to a certain range of machining errors, which reduces the reliance on high-precision machining equipment and lowers production costs.

[0086] Additionally, it should be noted that in the attached drawings, there are two third hooks 513, which forms a double-layered snap-fit ​​structure on the snap-fit ​​part 51. However, in other embodiments, a multi-layered snap-fit ​​structure can also be formed, which not only enhances the strength of the snap-fit ​​part 51, but also improves the degree of elastic deformation of the snap-fit ​​part 51, thereby improving its adaptability to different loads.

[0087] In one embodiment, such as Figure 9 As shown, the recessed portion 30 is inwardly recessed in the mounting direction of the snap-fit ​​portion 51, forming a structure with different widths at both ends: one end is a wide opening, and the other end is a narrow opening. The slot portion 50 is connected to the recessed portion 30 from the narrow opening side. During assembly, the snap-fit ​​portion 51 first enters the recessed portion 30 through the wide opening, and then engages with the slot portion 50 through the narrow opening.

[0088] In this embodiment, the inward design of the recessed portion 30 provides a natural guiding effect, guiding the latching portion 51 to smoothly enter through the wide opening and engage with the slot portion 50 at the narrow opening. This design not only enhances the guiding nature of the engagement but also improves the strength of the engagement.

[0089] In one embodiment, according to another aspect of this application, this application further provides a photovoltaic tracking bracket, which includes a plurality of columns, a drive shaft, a drive mechanism, a bearing housing, and the aforementioned bearing assembly.

[0090] The bearing seat is installed at the top of each stand and has a containing space for installing the bearing assembly. The first bearing part 1 and the second bearing part 2 of the bearing assembly are simultaneously installed in the containing space of the bearing seat. The transmission shaft is installed in the installation space 100 formed by the first bearing part 1 and the second bearing part 2. The anti-separation ability of the bearing assembly effectively prevents the first bearing part 1 and the second bearing part 2 from being separated from the transmission shaft during the operation of the transmission shaft, causing the bearing assembly and the transmission shaft to not rotate synchronously, and enhances the structural stability and tracking accuracy of the entire tracking support. In the embodiment, the transmission shaft can be a main shaft or a synchronous shaft. When the transmission shaft is the main shaft, the first power output end of the driving mechanism is connected with the main shaft and drives the main shaft to rotate synchronously with the bearing assembly, and then drives the photovoltaic assembly at the upper end of the main shaft to rotate synchronously with the main shaft. When the transmission shaft is the synchronous shaft, the second power output end of the driving mechanism is connected with the synchronous shaft and drives the synchronous shaft to rotate synchronously with the bearing assembly. The power of the driving mechanism is transmitted to other driven points of the tracking support through the synchronous shaft, so as to realize the multi-point synchronous driving of the photovoltaic tracking support. Of course, it can be understood that the bearing assembly of the utility model can also be arranged on the main shaft and the synchronous shaft respectively, so as to better ensure the synchronism of the rotation of the main shaft and the synchronous shaft, and further improve the tracking accuracy of the photovoltaic tracking support.

[0091] It should be noted that the above embodiments can be freely combined as needed. The above is only the preferred embodiment of the application. It should be noted that for those skilled in the art, without departing from the principles of the application, several improvements and refinements can also be made, which should be considered as the protection scope of the application.

Claims

1. A bearing assembly characterized by, The bearing assembly comprises: a first bearing part and a second bearing part, outer surfaces of the first bearing part and the second bearing part are spherical surfaces respectively, the first bearing part and the second bearing part are provided with corresponding concave-convex structures for butt joint fixing, and the concave-convex structures form a mounting space together for mounting a transmission shaft of a photovoltaic support, the concave-convex structures comprise a convex part and a concave part, when the first bearing part and the second bearing part are connected, the convex part is clamped into the concave part; a limiting structure arranged between the first bearing part and the second bearing part for connecting the first bearing part and the second bearing part to form a whole.

2. The bearing assembly according to claim 1, wherein: the first bearing part and the second bearing part are half-ring profiles respectively; wherein, the two end portions of the first bearing part are provided with the convex parts, and the two end portions of the second bearing part are provided with the concave parts; or, the two end portions of the first bearing part are provided with the convex parts and the concave parts respectively, and the two end portions of the second bearing part are provided with the concave parts and the convex parts respectively.

3. The bearing assembly according to claim 1 or 2, wherein: the limiting structure comprises a first mounting position provided on the first bearing part, a second mounting position provided on the second bearing part, and a locking piece, the first mounting position and the second mounting position are arranged in a staggered manner with the concave-convex structures; wherein, the locking piece is used to pass through the first mounting position and the second mounting position at the same time to lock and fix the first bearing part and the second bearing part.

4. The bearing assembly according to claim 3, wherein: the number of the first mounting positions is at least two, the first mounting positions are arranged respectively corresponding to the two end portions of the first bearing part, and the second mounting position is arranged corresponding to the first mounting position; wherein, each of the first mounting positions comprises a first mounting hole and a first sliding groove in communication with the first mounting hole, the first sliding groove is arranged on the outer peripheral wall of the first bearing part, and the first mounting hole is arranged on the butt joint end face of the first bearing part, each of the second mounting positions comprises a second mounting hole and a second sliding groove in communication with the second mounting hole, the second sliding groove is arranged on the outer peripheral wall of the second bearing part, and the second mounting hole is arranged on the butt joint end face of the second bearing part, so that the locking piece can pass through the first mounting hole and the second mounting hole at the same time to connect and lock the first bearing part and the second bearing part, and the locking piece is embedded in the first sliding groove and the second sliding groove as a whole.

5. The bearing assembly according to claim 2, wherein: the limiting structure comprises a buckle part and a clamping groove part arranged correspondingly. The buckle part is arranged on the protruding part, and the extending direction of the buckle part is different from the extending direction of the protruding part, the recessed part has an opening adapted for the buckle part to enter, and the clamping groove part is connected with the recessed part to communicate with the recessed part, and is used for clamping the buckle part entering the recessed part. The buckle part is vertically connected to the side edge of the protruding part, so that the two together form an L-shaped profile, and the overall profile formed by the recessed part and the clamping groove part is consistent with the L-shaped profile.

6. The bearing assembly according to claim 5, wherein, The buckle part includes at least two first clamping members arranged on the same side and at least two second clamping members arranged on the same side, the protruding directions of the first clamping members and the second clamping members are opposite, and a first limiting gap is formed between the first clamping members, and a second limiting gap is formed between the second clamping members; The inner wall of the clamping groove part is provided with at least two limiting bosses for clamping the first limiting gap and the second limiting gap.

7. The bearing assembly according to claim 6, wherein, The protruding part is arranged in a split type and includes a first protrusion and a second protrusion, the first protrusion is provided with the first clamping members, and the second protrusion is provided with the second clamping members, and the first protrusion and the second protrusion have a first preset gap therebetween; The buckle part includes at least two third clamping members arranged on the same side surface of the protruding part and facing away from the mounting space, and adjacent two third clamping members have a third preset gap therebetween; When the first bearing part and the second bearing part are connected, the third clamping members enter the recessed part and the clamping groove part in sequence to complete clamping.

8. The bearing assembly according to any one of claims 5-7, wherein, The clamping groove part is connected with a dismounting opening at one end away from the recessed part, the dismounting opening is through to the outside, and is used for applying force to the buckle part in the clamping groove part through the dismounting opening; The recessed part is in a converging state in the mounting direction of the buckle part, so that a wide opening and a narrow opening are formed at two ends thereof, and the clamping groove part is connected with the recessed part from one side of the narrow opening.

9. A photovoltaic tracking support, characterized in that, It includes: a column; a driving mechanism; a bearing seat installed at the top of the column, the bearing seat having a containing space; the bearing assembly according to any one of claims 1-8, the first bearing part and the second bearing part being simultaneously installed in the containing space; a transmission shaft installed in the containing space and driven by the driving mechanism to drive the bearing assembly to rotate synchronously.

10. A photovoltaic tracking support according to claim 9, wherein, The transmission shaft is a main shaft, and the main shaft is in transmission connection with a first power output end of the driving mechanism; or The transmission shaft is a synchronous shaft, and the synchronous shaft is in transmission connection with a second power output end of the driving mechanism.

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