Bearing seat for maintenance-free photovoltaic support
By combining M-type lower clamps and U-type upper clamps, along with side plates and fasteners, the problems of heavy weight, high cost, and complex installation of existing photovoltaic bracket bearing seats are solved, achieving the effects of lightweighting and rapid installation.
Patent Information
- Application Number
- CN202520302214.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-02-25
- Publication Date
- 2026-02-17
- Estimated Expiration
- 2035-02-25
AI Technical Summary
Existing photovoltaic bracket bearing seats are heavy, costly, cumbersome to install, and subject to complex stresses, resulting in insufficient support strength.
It adopts a combination of M-type lower clamp and U-type upper clamp for connection, and achieves quick fixation through side plates and fasteners. It uses aluminum-magnesium-zinc plate material and sheet metal forming process to avoid welding, simplify processing and anti-corrosion treatment.
It achieves a lightweight, economical, and simple bearing housing connection, which is quick to install and avoids complex welding and subsequent anti-corrosion treatment.
Smart Images

Figure CN223923632U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the technical field of bearing seat, especially to a maintenance-free bearing seat for photovoltaic support. BACKGROUND
[0002] The solar photovoltaic module is a device for converting solar energy into electric energy, which is generally arranged in a large area through a solar photovoltaic support. The support for supporting the solar cell module is generally divided into two categories of fixed support and tracking support, and at present, the tracking support is more widely used. The solar photovoltaic support generally comprises a main beam, a secondary beam, a column and a bearing seat assembly; the column serves as the vertical support of the entire support system, the main beam and the secondary beam form a planar support system above the column, and the bearing seat assembly is installed on the secondary beam or the main beam for supporting the photovoltaic module.
[0003] In the existing photovoltaic support bearing seat, there are mainly the following forms: integral welding, integral casting, and upper and lower hoop flip ear forms. Each form of bearing seat has its own characteristics.
[0004] 1. The integral welding and casting bearing seat is heavy in weight, needs post-corrosion treatment, and is high in overall cost;
[0005] 2. The flip ear bearing seat is split into upper and lower parts, and the U-shaped piece is used for connecting with the column, which is not very economical;
[0006] 3. When the flip ear bearing seat bears the vertical load, the ear bears the bending moment and shear force, and the stress condition is complex; INVENTION CONTENTS
[0007] The purpose of the utility model is to provide a maintenance-free bearing seat for photovoltaic support, which solves the problems of insufficient support strength of the existing bearing seat and complicated overall machining and installation.
[0008] TECHNICAL SCHEME
[0009] A maintenance-free bearing seat for photovoltaic support comprises a main shaft, a bearing is sleeved on the peripheral wall of the main shaft, a hoop is connected to the outer wall of the bearing, the hoop comprises an upper U-shaped hoop and a lower M-shaped hoop, the upper hoop and the lower hoop are detachably connected, a side plate is connected to the inner side of the upper hoop, and the lower hoop is located between the upper hoop and the side plate.
[0010] Further, the side plate is provided with a folded edge on both sides, and the upper hoop and the lower hoop are connected between the folded edges on both sides.
[0011] Further, the upper hoop, the lower hoop and the side plate are connected through fasteners.
[0012] Further, the upper hoop comprises a lower pressing part and a side connecting part, the lower pressing part is an arc shape with opening downward, the side connecting part is fixedly connected to the two sides of the lower pressing part, and the side connecting part is connected with the side plate.
[0013] Further, the lower hoop comprises a supporting part and a connecting part, the supporting part is an arc shape with opening upward, the connecting part is connected to the two ends of the supporting part, and the side plate is located between the connecting part and the supporting part.
[0014] Further, the lower side of the side plate is connected with a stand.
[0015] Further, the upper side of the main shaft is connected with a photovoltaic module.
[0016] Beneficial effects: the lower hoop in M shape and the upper hoop in U shape are combined and connected, so that the bearing of the main shaft can be fixed, the upper hoop, the lower hoop and the side plate are sequentially arranged and connected, so that the side plate can be fixed only by one bolt, which is convenient and fast, the lower hoop is connected with the side plate through the two side grooves in M shape, so that the side plate can be more simply and quickly connected and fixed, and the side plate limits the upper hoop and the lower hoop through the two side edges, so that the rotation or movement is prevented. BRIEF DESCRIPTION OF DRAWINGS
[0017] Figure 1 is the overall explosion structure schematic diagram of the utility model;
[0018] Figure 2 is the overall side view cross section structure schematic diagram of the utility model;
[0019] Figure 3 is the overall application structure schematic diagram of the utility model;
[0020] Figure 4 is Figure 2 is the enlarged structure schematic diagram of A in the middle.
[0021] Fig. 11, stand; 12, side plate; 13, gasket; 14, main shaft; 15, bearing; 16, fastener; 17, photovoltaic module; 21, lower hoop; 211, supporting part; 212, connecting part; 22, upper hoop; 221, side connecting part; 222, lower pressing part. DETAILED DESCRIPTION
[0022] In order to make the technical scheme of the present application clearer, the present application will be further described in detail below in combination with the drawings and specific embodiments.
[0023] Embodiment 1
[0024] As Figures 1 to 3As shown, a kind of maintenance-free bearing seat for photovoltaic support, including main shaft 14, main shaft 14 is the horizontal support body of photovoltaic support, and photovoltaic module 17 is connected above main shaft 14, and main shaft 14 is connected in multiple sections, and the photovoltaic module 17 is fixedly connected by connecting frame and bolt between two main shafts 14 and simultaneously connected.
[0025] Further, the outer wall of the main shaft 14 is connected with the bearing 15, the main shaft 14 is connected with the bearing seat through the bearing 15, the main shaft 14 can be connected with the bearing seat one by one, and the main shaft 14 can be connected with the bearing seat one by one.
[0026] The bearing 15 is connected with the hoop, in the present application, the hoop is divided into upper hoop 22 and lower hoop 21, and the bearing 15 is connected by the combination connection between the upper hoop 22 and the lower hoop 21.
[0027] The upper hoop 22 is U-shaped, and the opening faces downward, the upper hoop 22 includes an arc-shaped pressing portion 222 and a side connecting portion, the pressing portion 222 is arc-shaped, the pressing portion 222 is located above the bearing 15 and abuts against the bearing 15, both ends of the pressing portion 222 are the side connecting portions 221, and the upper hoop 22 is externally connected by the side connecting portions 221, including being connected with the lower hoop 21.
[0028] The lower hoop 21 is M-shaped, and the middle opening faces upward, the lower hoop 21 includes a supporting portion 211 and a connecting portion 212, the supporting portion 211 is arc-shaped, the supporting portion 211 is located below the bearing 15 and abuts against the bearing 15, the supporting portion 211 and the pressing portion 222 are symmetrically arranged above and below the bearing 15, both ends of the supporting portion 211 are the connecting portions 212, the connecting portions 212 are vertically arranged downward, and the connecting portions 212 are connected with the side connecting portions 221.
[0029] Further, the bearing seat further includes a side plate 12, the side plate 12 is used as a connecting piece, and the upper hoop 22 and the lower hoop 21 are fixedly connected, the side plate 12 is provided with two pieces, and the side plate 12 is arranged on both sides of the main shaft 14, so that the upper hoop 22 and the lower hoop 21 are better fixedly connected.
[0030] As shown in the figure, Figure 4 The side plate 12 is located between the connecting portion 212 and the supporting portion 211 of the lower hoop 21, the lower hoop 21 is clamped with the side plate 12 through the gap between the supporting portion 211 and the connecting portion 212, and simultaneously, when the main shaft 14 and the lower hoop 21 are connected, the lower hoop 21 can exert a horizontal pulling force on the side plate 12 through gravity, so that the fastening effect is improved.
[0031] The two sides of the side plate 12 are provided with folded edges 121, the connecting portion 212 is located between the two folded edges 121, the outer side of the connecting portion 212 is a side connecting portion 221, the side connecting portion 221 also has a folded edge, the folded edge of the side connecting portion 221 abuts against the folded edge 121 of the side plate 12, ensuring stable connection, and being capable of limiting the upper hoop 22 and the lower hoop 22 in the horizontal direction, preventing movement or rotation.
[0032] Further, the outer side of the side connecting portion 221 is provided with a gasket 13, the gasket 13, the side connecting portion 221, the connecting portion 212 and the side plate 12 are sequentially stacked and connected, and then fixed and connected by the fastener 16.
[0033] In the embodiment, the fastener 16 is a bolt, since the gasket 13, the side connecting portion 221, the connecting portion 212 and the side plate 12 are stacked, only one bolt is used for fixing work, and the fastener 16 can be a rivet in another embodiment.
[0034] A stand 11 is arranged below the side plate 12, the stand 11 is in the shape of an I-beam, and the side plate 12 and the two sides of the stand 11 are fixed and connected by the fastener 11.
[0035] In the present application, the upper hoop 22 and the lower hoop 21 are included, the materials of the components are all aluminum magnesium zinc plated sheets, and all adopt sheet metal forming process without welding, wherein the folded edge of the connecting portion 212 of the lower hoop 21, the folded edge of the side connecting portion 221 of the upper hoop 22 and the folded edge 121 of the side plate 12 are all made in the form of sheet metal bending, facilitating the use of galvanized steel for processing, without the need for later corrosion prevention, and the process is simple.
[0036] The above embodiments only express several embodiments of the present application, the description is more specific and detailed, but it cannot be understood as a limitation on the scope of the present application. It should be noted that for ordinary skilled in the art, without departing from the concept of the present application, a number of modifications and improvements can be made, which are all within the scope of the present application. Therefore, the protection scope of the present application patent should be subject to the appended claims.
Claims
1. A bearing housing for a maintenance-free photovoltaic bracket, comprising a main shaft (14), characterized in that: A bearing (15) is fitted on the peripheral wall of the main shaft (14). A clamp is connected to the outer wall of the bearing (15). The clamp includes a U-shaped upper clamp (22) and an M-shaped lower clamp (21). The upper clamp (22) and the lower clamp (21) are detachably connected. A side plate (12) is connected to the inner side of the upper clamp (22). The lower clamp (21) is located between the upper clamp (22) and the side plate (12).
2. The bearing housing for a maintenance-free photovoltaic bracket according to claim 1, characterized in that: The side plate (12) has folded edges (121) on both sides, and the upper clamp (22) and the lower clamp (21) are connected between the folded edges (121) on both sides.
3. The bearing housing for a maintenance-free photovoltaic bracket according to claim 2, characterized in that: The upper clamp (22), the lower clamp (21) and the side plate (12) are connected by fasteners (16).
4. The bearing housing for a maintenance-free photovoltaic bracket according to claim 3, characterized in that: The upper clamp (22) includes a lower pressing part (222) and a side connecting part (221). The lower pressing part (222) is an arc shape with an opening facing downward. The side connecting part (221) is fixedly connected to both sides of the lower pressing part (222). The side connecting part (221) is connected to the side plate (12).
5. A bearing housing for a maintenance-free photovoltaic bracket according to claim 3, characterized in that: The lower clamp (21) includes a support part (211) and a connecting part (212). The support part (211) is an arc shape with an upward opening. Both ends of the support part (211) are connected to the connecting part (212). The side plate (12) is located between the connecting part (212) and the support part (211).
6. The bearing housing for a maintenance-free photovoltaic bracket according to claim 1, characterized in that: A column (11) is connected to the bottom of the side plate (12).
7. The bearing housing for a maintenance-free photovoltaic bracket according to claim 1, characterized in that: A photovoltaic module (17) is connected above the main shaft (14).