Flexible photovoltaic tracking support

Abstract

The invention belongs to the technical field of photovoltaics, and provides a flexible photovoltaic tracking support which is composed of side inhaul cables, side stand columns, stay wire piles, ground piles, rope clamps, transmission cases, turbine shafts, tensile cross beams, bearing cables, self-locking clamping seats, self-locking buckles, adjustable anchoring columns, adjustable anchoring sleeves, fixed anchoring sleeves and the like. The support uses the load-bearing cable to bear the photovoltaic module. The two ends of the bearing cable are fixed to the tensile cross beams through the adjustable anchoring columns and the fixed anchoring sleeves. The tensile cross beam is fixed on a turbine shaft, and the shaft end is positioned by a pin column. And the stability of the frame body is ensured through the side inhaul cables in three directions. The tool detects an illumination signal through the sensor, and the controller unit processes the illumination signal and transmits a control signal to the motor. And the motor rotates to drive a transmission structure in the transmission box and drive the tensile cross beam to rotate, so that the function of tracking sunlight by the photovoltaic panel is realized. The device is ingenious in design, simple in structure, convenient to install and maintain, high in wind resistance and large in span of the frame body, improves the power generation efficiency and benefits of a photovoltaic power station, and has very remarkable popularization significance.

Description

Technical Field

[0001] The present invention relates to the technical field of photovoltaics, and particularly to a flexible photovoltaic tracking bracket. Background Art

[0002] Currently, most flexible photovoltaic brackets are flexible fixed brackets, while flexible photovoltaic tracking brackets are less applied. For the flexible photovoltaic tracking brackets that have been publicly used, their stiffness is poor, the wind resistance ability is weak, and the span is small. The adjustment and control of the pre-tightening force of the ropes are not easy to operate, and the operation process is complex when installing components. This increases the construction difficulty, affects the power generation efficiency of the photovoltaic, and increases the maintenance cost. Summary of the Invention

[0003] The purpose of the present invention is to solve the above problems, and provide a flexible photovoltaic tracking bracket, which effectively improves the wind resistance ability and structural stability of the bracket, improves the installation efficiency, and reduces the cost.

[0004] The purpose of the present invention is achieved by the following technical solutions:

[0005] A flexible photovoltaic tracking bracket, comprising:

[0006] The side columns adopt a three-direction side cable fixing method;

[0007] The tensile beam adopts a triangular side and rectangular stiffener structure;

[0008] The photovoltaic modules and the load-bearing cables are installed and fixed by a self-locking elastic buckle installation method;

[0009] The load-bearing cables are fixed on the tensile beam by a double fixing method;

[0010] In some embodiments, the side columns adopt a three-direction side cable fixing method; the planes formed by the side cables in three directions are perpendicular to each other; one direction is along the axial direction of the turbine shaft, and the remaining directions are along the radial direction of the turbine shaft and are symmetric left and right. The guy wire pile and the ground pile are connected and fixed through a foundation bolt structure; the side cable is connected to the guy wire pile through a guy wire bolt structure; here, the side cable bypasses the guy wire bolt and is fixed by a wire clip; the upper part of the side cable arranged along the axial direction of the turbine shaft passes through the front cable hole on the transmission box and is fixed by a wire clip; the upper part of the side cable arranged along the radial direction of the turbine shaft passes through the side cable hole on the transmission box and is fixed by a wire clip and a wire clip bolt.

[0011] In some embodiments, the tensile beam adopts a triangular side and rectangular stiffener structure to improve the load-bearing and tensile capacity of the beam; the side of the beam with the rectangular stiffener and the turbine shaft are installed through surface contact and boss positioning; the pin column passes through the two turbine shaft holes on the turbine shaft, and the wire passes through the pin column hole on the pin column and is twisted and fixed.

[0012] In some embodiments, the photovoltaic module and the load-bearing cable are installed and fixed by a self-locking elastic buckle structure; there is a counterbore inside the self-locking seat for installing the buckle bolt; the self-locking seat and the photovoltaic module are fixedly connected by the buckle bolt; the self-locking seat and the self-locking buckle are connected by the buckle head structure of itself; the self-locking buckle has elasticity. After the self-locking buckle is installed, the micro-deformation of the self-locking buckle makes the self-locking buckle and the self-locking seat closely adhere to the load-bearing cable, realizing the buckle self-locking function.

[0013] In some embodiments, the load-bearing cable is fixed to the tensile crossbeam by a double fixing method; the load-bearing cable passes through the adjustable anchor column, and then the load-bearing cable and the adjustable anchor column are pressed together; the adjustable anchor column and the adjustable anchor sleeve are connected by threads, and the adjustable anchor sleeve can rotate relative to the adjustable anchor column, so that the adjustable anchor column moves axially relative to each other, thereby realizing the adjustment of the pre-tightening force of the load-bearing cable; the fixed anchor sleeve is in surface contact with the adjustable anchor column and is coaxially installed; the load-bearing cable passes through the fixed anchor sleeve and is pressed together with the fixed anchor sleeve. The load-bearing cable is strengthened and fixed through double anchoring.

[0014] For this flexible photovoltaic tracking bracket, after its sensor receives environmental information including light, etc., through the processing of the controller, it sends the rotation control signal to the motor; the motor drives the transmission device to drive the turbine shaft to rotate, and the turbine shaft drives the tensile crossbeam to rotate, thereby driving the entire photovoltaic panel to rotate, realizing the function of the photovoltaic panel tracking sunlight.

[0015] The beneficial effects of the present invention are: ingenious design and novel structure. It effectively solves the wind resistance performance requirements of the large-span flexible photovoltaic tracking bracket, solves the stability problem, reduces the operation difficulty, and can ensure the power generation efficiency of the photovoltaic power station. Description of the Drawings

[0016] Figure 1 It is a schematic diagram of the overall structure of the flexible photovoltaic tracking bracket of the present invention;

[0017] Figure 2 It is a schematic diagram of the overall structure of the three-direction side cable fixing method of the flexible photovoltaic tracking bracket of the present invention;

[0018] Figure 3 It is a schematic diagram of the installation structure at the guy wire pile of the flexible photovoltaic tracking bracket of the present invention;

[0019] Figure 4 It is a schematic diagram of the connection method between the side cable and the transmission box of the present invention;

[0020] Figure 5 It is a schematic diagram of the installation structure at the rope clamp of the present invention;

[0021] Figure 6 It is a schematic diagram of the overall structure of the tensile crossbeam of the present invention;

[0022] Figure 7 Schematic diagram of the installation structure at the turbine shaft of the present invention;

[0023] Figure 8 Schematic diagram of the tensile crossbeam structure of the present invention;

[0024] Figure 9 Overall schematic diagram of the connection between the component and the weighing cable of the present invention;

[0025] Figure 10 Schematic diagram of the installation structure of the component, self-locking seat and self-locking buckle of the present invention;

[0026] Figure 11 Schematic diagram of the self-locking seat structure of the present invention;

[0027] Figure 12 Schematic diagram of the self-locking buckle structure of the present invention;

[0028] Figure 13 Overall schematic diagram of the connection between the weighing cable and the double anchor of the present invention;

[0029] Figure 14 Schematic diagram of the installation structure of the weighing cable, adjustable anchor column, adjustable anchor sleeve and fixed anchor sleeve of the present invention;

[0030] Figure 15 Schematic diagram of the fixed anchor sleeve, adjustable anchor sleeve and adjustable anchor column of the present invention;

[0031] In the figure, 1-side stay cable, 2-side column, 3-pulling post, 4-ground pile, 5-anchor bolt, 6-pulling bolt, 7-rope clamp, 8-transmission box, 9-rope clamp bolt, 10-turbine shaft, 11-tensile crossbeam, 12-pin column, 13-metal wire, 14-photovoltaic module, 15-weighing cable, 16-self-locking seat, 17-buckle bolt, 18-self-locking buckle, 19-adjustable anchor column, 20-adjustable anchor sleeve, 21-fixed anchor sleeve, 8a-front cable hole, 8b-side cable hole, 10a-turbine shaft hole, 12a-pin column hole, 16a-counterbore. Detailed implementation manners

[0032] The technical solution of the present invention will be further described in detail below with reference to the accompanying drawings, but the protection scope of the present invention is not limited to the following description.

[0033] From the attached Figure 1As shown in the figure, a flexible photovoltaic tracking bracket of the present invention is composed of side guy wires, side columns, guy wire piles, ground piles, wire clips, transmission boxes, turbine shafts, tensile beams, load-bearing cables, self-locking chucks, self-locking buckles, adjustable anchor columns, adjustable anchor sleeves, fixed anchor sleeves, etc. This bracket uses load-bearing cables to carry photovoltaic modules. Both ends of the load-bearing cable are fixed to the tensile beam through adjustable anchor columns and fixed anchor sleeves. The tensile beam is fixed on the turbine shaft, and the shaft end is positioned by a pin column. Through the side guy wires in three directions, the stability of the frame is ensured. This tool detects the light signal through a sensor, and after being processed by the controller unit, the control signal is transmitted to the motor. The motor rotates, driving the transmission structure in the transmission box, driving the tensile beam to rotate, so as to realize the function of the photovoltaic panel tracking the sun.

[0034] As shown by the attached Figures 2 - 5 As shown in the figure, the side columns of this flexible photovoltaic tracking bracket adopt a fixing method with side guy wires in three directions; the planes formed by the side guy wires in three directions are perpendicular to each other; one direction is along the axial direction of the turbine shaft, and the other directions are along the radial direction of the turbine shaft and are symmetric left and right. The guy wire pile and the ground pile are connected and fixed through the anchor bolt structure; the side guy wire is connected to the guy wire pile through the guy wire bolt structure; here, the side guy wire bypasses the guy wire bolt and is fixed through a wire clip; the upper part of the side guy wire arranged along the axial direction of the turbine shaft passes through the front wire hole on the transmission box and is fixed through a wire clip; the upper part of the side guy wire arranged along the radial direction of the turbine shaft passes through the side wire hole on the transmission box and is fixed through a wire clip and a wire clip bolt.

[0035] As shown by the attached Figures 6 - 8 As shown in the figure, the tensile beam of this flexible photovoltaic tracking bracket adopts a structure of triangular sides and rectangular stiffeners to improve the load-bearing and tensile capacity of the beam; the side of the rectangular stiffener of the beam and the turbine shaft are installed through surface contact and boss positioning; the pin column passes through the two turbine shaft holes on the turbine shaft, and the wire passes through the pin column hole on the pin column and is twisted and fixed.

[0036] As shown by the attached Figures 9 - 12 As shown in the figure, the photovoltaic module and the load-bearing cable of this flexible photovoltaic tracking bracket adopt a self-locking elastic buckle structure for installation and fixing; there is a counterbore inside the self-locking chuck for the installation of the buckle bolt; the self-locking chuck and the photovoltaic module are fixedly connected through the buckle bolt; the self-locking chuck and the self-locking buckle are connected through the buckle head structure of themselves; the self-locking buckle has elasticity. When the self-locking buckle is installed, the micro-deformation of the self-locking buckle makes the self-locking buckle and the self-locking chuck closely adhere to the load-bearing cable, realizing the self-locking function of the buckle.

[0037] As shown by the attached Figures 13 - 15As shown, the load-bearing cable of the flexible photovoltaic tracking bracket is fixed to the tensile crossbeam by a double fixation method; the load-bearing cable passes through the adjustable anchor column, and then the load-bearing cable and the adjustable anchor column are pressed together; the adjustable anchor column and the adjustable anchor sleeve are connected by threads, and the adjustable anchor sleeve can rotate relative to the adjustable anchor column, so that the adjustable anchor column moves axially relative to each other, thereby realizing the adjustment of the pre-tightening force of the load-bearing cable; the fixed anchor sleeve is in surface contact with the adjustable anchor column and is coaxially installed; the load-bearing cable passes through the fixed anchor sleeve and is pressed together with the fixed anchor sleeve. The double anchoring is used to strengthen the fixation of the load-bearing cable.

[0038] For this flexible photovoltaic tracking bracket, after the sensor receives environmental information such as light, through the processing of the controller, it sends a rotation control signal to the motor; the motor drives the transmission device to drive the turbine shaft to rotate, and the turbine shaft drives the tensile crossbeam to rotate, thereby driving the entire photovoltaic panel to rotate, realizing the function of the photovoltaic panel tracking sunlight.

[0039] The above are only the preferred embodiments of the present invention. It should be understood that the present invention is not limited to the form disclosed herein, but can be used in various other combinations, modifications and environments, and can be changed within the scope of the concept described herein through the above-mentioned related technologies or knowledge. And the changes and modifications made by those skilled in the art that do not depart from the spirit and scope of the present invention should all be within the protection scope of the appended claims of the present invention.

Claims

1. A flexible photovoltaic tracking bracket, characterized in that: include The side columns are fixed by three-way side cables; The tensile beam adopts triangular edges and rectangular reinforcement structure; Photovoltaic modules and load-bearing cables are installed and fixed using self-locking elastic buckles; The load-bearing cables are fixed to the tensile beams by double fixing.

2. The flexible photovoltaic tracking bracket according to claim 1 is characterized in that: The side columns are fixed by three-way side cables; the planes formed by the side cables (1) and the side columns (2) in three directions are perpendicular to each other; one direction is along the axial direction of the turbine shaft (10), and the other directions are along the radial direction of the turbine shaft and are symmetrical. The cable pile (3) is connected and fixed to the ground pile (4) by means of a foundation bolt (5) structure; the side cable is connected to the cable pile (3) by means of a cable bolt (6) structure; the side cable (1) here bypasses the cable bolt (6) and is fixed by means of a rope clamp (7); the upper part of the side cable (1) arranged along the axial direction of the turbine shaft (10) passes through the front cable hole (8a) on the transmission box (8) and is fixed by means of a rope clamp (7); The upper part of the side cable (1) arranged radially along the turbine shaft (10) passes through the cable hole (8b) on the upper side of the transmission box (8) and is fixed by a cable clamp (7) and a cable clamp bolt (9).

3. The flexible photovoltaic tracking bracket according to claim 1 is characterized in that: The tensile beam (11) adopts a triangular side and a rectangular reinforcement rib structure to improve the load-bearing tensile resistance of the beam; the side of the beam with the rectangular reinforcement rib and the turbine shaft (10) are installed through surface contact and boss positioning; the pin (12) passes through two turbine shaft holes (10a) on the turbine shaft, and the metal wire (13) passes through the pin hole (12a) on the pin and is twisted and fixed.

4. The flexible photovoltaic tracking bracket according to claim 1 is characterized in that: The photovoltaic assembly (14) and the load-bearing cable (15) are installed and fixed by a self-locking elastic buckle structure; a countersunk hole (16a) is provided inside the self-locking clamp (16) for installing a buckle bolt (17); the self-locking clamp (16) and the photovoltaic assembly (14) are fixedly connected by the buckle bolt (17); the self-locking clamp (16) and the self-locking buckle (18) are connected by their own buckle head structure; the self-locking buckle (18) is elastic, and when the self-locking buckle (18) is installed, the micro-deformation of the self-locking buckle makes the self-locking buckle (18) and the self-locking clamp (16) and the load-bearing cable (15) closely attached together, thereby realizing the buckle self-locking function.

5. The flexible photovoltaic tracking bracket according to claim 1 is characterized in that: The load-bearing cable (15) is fixed on the tensile beam (11) by a double fixing method; the load-bearing cable (15) passes through the adjustable anchor column (19), and then the load-bearing cable (15) and the adjustable anchor column (19) are pressed together; the adjustable anchor column (19) and the adjustable anchor sleeve (20) are connected by threads, and the adjustable anchor sleeve (20) can rotate relative to the adjustable anchor column (19), so that the adjustable anchor column (19) moves relatively in the axial direction, thereby realizing the preload adjustment of the load-bearing cable; the fixed anchor sleeve (21) is in surface contact with the adjustable anchor column (19) and is coaxially installed; the load-bearing cable passes through the fixed anchor sleeve (21) and is pressed together with the fixed anchor sleeve (21). The load-bearing cable is strengthened and fixed by double anchoring.

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