# US 12,771,287 B2 · Integrated structure of steel frame assembly and steel support for solar photovoltaic power station and assembling method therefor

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- Number: US 12,771,287 B2
- Document ID: US12771287B2
- Status: Granted
- Kind: B2
- Application number: 18/626,340
- Filed: 2024-04-04
- Published: 2025-04-24
- Granted: 2026-10-20
- Earliest claimed: 2023-10-19
- Assignees: Anhui Caesar New Energy Co., Ltd.
- Applicants: Anhui Caesar New Energy Technology Co., Ltd.
- Inventors: Xiaofeng Huang; Hui Huang; Siping Xie
- Web page: https://patentgrep.com/patent/US12771287B2

## CPC

- H02S 30/10: Frame structures
- F16B 5/121: {fastened over the edge(s) of the sheet(s) or plate(s)}
- H02S: GENERATION OF ELECTRIC POWER BY CONVERSION OF INFRARED RADIATION, VISIBLE LIGHT OR ULTRAVIOLET LIGHT, e.g. USING PHOTOVOLTAIC [PV] MODULES (obtaining electrical energy from radioactive sources G21H1/12; light sensitive inorganic semiconductor devices H10F; light sensitive organic semiconductor devices H10K30/00; thermoelectric devices H10N10/00; pyroelectric devices H10N15/00)
- F16B: DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING (couplings for transmitting rotation F16D)

## Abstract

The disclosure relates to an integrated structure of a steel frame assembly and a steel support for a solar photovoltaic power station, including long-side steel frames, short-side steel frames, angle codes and purlines that fit with each other, where the long-side steel frames and the short-side steel frames are separately connected with two perpendicular portions of the angle codes to form steel frame assemblies, connecting portions thereof are of the same structures, and the steel frame assemblies are connected with the purlines again, steel frames located at the lowermost positions of the steel frame assemblies are set as steel frames I without sides A, the remaining steel frames are all steel sides II with sides A, and the steel frame assemblies are connected with the purlines in a back locking or pressing block fixation manner.

## Claims

### Claim 1

An integrated structure of a steel frame assembly and a steel support for being installed at a solar photovoltaic power station, comprising long-side steel frames, short-side steel frames, corner brackets and purlins that fit with each other, wherein the long-side steel frames and the short-side steel frames are separately connected with two perpendicular portions of the corner brackets to form the steel frame assembly, wherein the steel frame assembly is connected with the purlins,
wherein a first steel frame is one of the long-side steel frames and the short-side steel frames and configured for being located at a lowermost position of the steel frame assembly when installed at the solar photovoltaic power station, wherein remaining long-side and short-side steel frames are second steel frames, and
wherein the steel frame assembly is connected with the purlins;
the first steel frame comprises a first lower-end cavity and a vertical extension edge at an upper part thereof, a first zero-gap folding edge flange is arranged on the vertical extension edge, wherein one side of the vertical extension edge and the first lower-end cavity form a mounting position for a laminating piece, wherein the mounting position has an L-shaped cross section, the vertical extension edge is as high as the laminating piece, an upper frame element inside the first lower-end cavity is provided with a first anti-rotating bump, and a lower frame element inside the first lower-end cavity is provided with D-shaped first riveting points; and
cross sections of the second steel frames are S-shaped, the second steel frames have an upper-end cavity and a second lower-end cavity, the second steel frame at an upper part of the upper-end cavity is provided with a second zero-gap folding edge flange, an upper frame element inside the second lower-end cavity is provided with a second anti-rotating bump, and a lower frame element inside the second lower-end cavity is provided with D-shaped second riveting points.

### Claim 2 (depends on 1)

The integrated structure of the steel frame assembly and the steel support for the solar photovoltaic power station according to claim 1,
wherein
a chamfered junction of the upper-end cavity and the second lower-end cavity is a glue overflow groove edge, and a first circular arc structure connects the first zero-gap folding edge flange and the vertical extension edge, and a second circular arc structure connects the second zero-gap folding edge flange and the upper part of the upper-end cavity.

### Claim 3 (depends on 2)

The integrated structure of the steel frame assembly and the steel support for the solar photovoltaic power station according to claim 2,
wherein
holes, having a D-shaped cross section, and anti-rotating bump slots are formed in the corner brackets, the holes are in mutual fit and fixed connection with the D-shaped first riveting points or the D-shaped second riveting points, respectively, while the anti-rotating bump slots are in mutual fit and fixed connection with the first anti-rotating bump or the second anti-rotating bump, respectively, the corner brackets are also provided with chamfered corner protectors, both sides of the corner brackets are provided with guide folding edges with rounded corners and guide slot recessions.

### Claim 4 (depends on 2)

The integrated structure of the steel frame assembly and the steel support for the solar photovoltaic power station according to claim 2,
wherein
the purlins are U-shaped purlins, both sides of upper parts of the U-shaped purlins are separately provided with horizontal bending portions, vertical flanges are connected outside the horizontal bending portions on each side, the vertical flanges and the horizontal bending portions form an L-shaped structure that is set to be parallel to axes of the U-shaped purlins, mounting holes are formed in the horizontal bending portions, grooves are formed in the flanges, limiting gaps are arranged on the flanges, upper parts of the flanges are also provided with guide folding edges that bend outwards, when the steel frame assembly is in connection fit with the U-shaped purlins, vertical surface of the steel frame assemblies are provided with bosses fitting with the grooves, and the steel frame assembly is clamped at the limiting gaps.