Flexible photovoltaic tracking support follow-up windproof cable device

Abstract

The invention belongs to the field of photovoltaic technology, and provides a flexible photovoltaic tracking support follow-up windproof cable device which is composed of a windproof cable, a rope clamp, a rope clamp bolt, a pulley pile, a ground pile, a foundation bolt, an end cover, an end cover screw, a pulley, a pulley rotating shaft, a damping bearing, a windproof cable pull ring sleeve, a windproof cable pull ring sleeve bolt and the like. The pulley pile is installed on the ground pile, and the pulley, the pulley rotating shaft, the damping bearing and the like are installed on the pulley pile. The windproof cable is connected with the bearing cable through a windproof cable pull ring sleeve and bypasses the pulley to form a rotatable windproof cable loop. When the support rotates, the windproof cable can rotate along with the support, so that the windproof vibration suppression function and the support tracking function are achieved at the same time, and the stability of the support is improved. The device is ingenious in design, simple in structure, convenient to mount and maintain, high in wind resistance and large in span of the frame body, contributes to improving 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 relates to a follow-up windproof cable device for a flexible photovoltaic tracking bracket. Background Art

[0002] Currently, flexible photovoltaic fixed brackets are widely used, while flexible photovoltaic tracking brackets are less used. Moreover, there is less research on flexible tracking brackets, and the anti-wind and vibration suppression methods adopted still refer to the self-locking method of the transmission device of rigid tracking brackets. This method has a poor anti-wind effect, cannot ensure good stability of the flexible photovoltaic tracking bracket, affects the power generation efficiency of photovoltaics, and increases the operation and maintenance costs. Summary of the Invention

[0003] The purpose of the present invention is to solve the above problems, and provide a follow-up windproof cable device for a flexible photovoltaic tracking bracket, which effectively improves the wind resistance ability and stability of the bracket.

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

[0005] The windproof cable and the load-bearing cable are connected through a windproof cable loop sleeve to achieve the connection and rotation of the windproof cable;

[0006] For the pulley device at the ground pile, a damping bearing is installed to control the rotation speed of the windproof cable;

[0007] The rotation loop of the windproof cable can adopt the installation method of one or two pulleys, and the included angle range formed by the windproof cable in the vertical direction and the vertical direction is -45° to 45°.

[0008] In some embodiments, the windproof cable and the load-bearing cable are connected through a windproof cable loop sleeve to achieve the connection and rotation of the windproof cable; the load-bearing cable passes through the windproof cable loop sleeve and is fixed with a windproof cable loop sleeve bolt; the windproof cable bypasses the card slot of the windproof cable loop sleeve and is fixed with a rope clip and a rope clip bolt. The windproof cable can rotate around the card slot of the windproof cable loop sleeve.

[0009] In some embodiments, for the pulley device at the ground pile, a damping bearing is installed to control the rotation speed of the windproof cable; the pulley pile is installed on the ground pile through a foundation bolt; the damping bearing is installed in the groove of the pulley pile, and the boss of the pulley pile uses an end cover to fix and position the damping bearing; the pulley rotating shaft is installed on the damping bearing; the pulley is assembled with the pulley rotating shaft by interference fit and installed in the middle position of the pulley pile; when the windproof cable rotates normally with the bracket, the pulley rotates normally; when encountering strong winds, due to the damping effect of the damping bearing, the sudden rapid rotation of the windproof cable is inhibited, thereby achieving the anti-wind and vibration suppression effect and improving the stability of the bracket.

[0010] In some embodiments, the rotation circuit of the wind cable can adopt the installation method of one or two pulley devices. The included angle range between the wind cable in the vertical direction and the vertical direction is -45° to 45°. When using one pulley device, it is arranged in the middle position. When using two pulley devices, the installation layout can be determined according to actual needs. The included angle range between the wind cables on both sides and the vertical direction in the vertical direction is -45° to 45°. This increases the flexibility and adaptability of the follow-up wind cable device.

[0011] For the follow-up wind cable device of the flexible photovoltaic tracking bracket, the wind cable rotates following the rotation of the load-bearing cable. When there is no strong wind interference in the environment, the load-bearing cable of the flexible photovoltaic tracking bracket rotates normally, and at this time, the wind cable also rotates normally following the load-bearing cable. When there is strong wind interference in the environment, the load-bearing cable of the flexible photovoltaic tracking bracket will rotate abnormally. At this time, due to the action of the damping bearing, the wind cable can ensure normal rotation. The wind cable is connected to the load-bearing cable, thereby controlling the abnormal rotation of the load-bearing cable and ensuring the wind resistance and stability of the bracket.

[0012] The beneficial effects of the present invention are as follows: It is ingeniously designed and novel in structure. It effectively solves the wind resistance performance requirements of large-span flexible photovoltaic tracking brackets, solves the stability problem, and can ensure the power generation efficiency of photovoltaic power stations. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a schematic diagram of the installation position of the follow-up wind cable device of the flexible photovoltaic tracking bracket of the present invention;

[0014] Figure 2 It is a schematic diagram of the overall structure of the follow-up wind cable device of the flexible photovoltaic tracking bracket of the present invention;

[0015] Figure 3 It is a schematic diagram of an example of the layout method of the wind cable of the follow-up wind cable device of the flexible photovoltaic tracking bracket of the present invention;

[0016] Figure 4 It is a schematic diagram of the overall structure at the pulley device of the follow-up wind cable device of the flexible photovoltaic tracking bracket of the present invention;

[0017] Figure 5 It is a schematic diagram of the installation structure at the pulley device of the follow-up wind cable device of the flexible photovoltaic tracking bracket of the present invention;

[0018] Figure 6 It is a schematic diagram of the overall structure at the wind cable pull ring sleeve of the follow-up wind cable device of the flexible photovoltaic tracking bracket of the present invention;

[0019] Figure 7 It is a schematic diagram of the installation structure at the wind cable pull ring sleeve of the follow-up wind cable device of the flexible photovoltaic tracking bracket of the present invention;

[0020] Figure 8 It is a schematic diagram of the pulley pile structure of the follow-up wind cable device of the flexible photovoltaic tracking bracket of the present invention;

[0021] Figure 9Schematic diagram of the windproof cable pull ring sleeve structure of the present invention;

[0022] In the figure, 1 - windproof cable, 2 - load-bearing cable, 3 - cable clamp, 4 - cable clamp bolt, 5 - pulley pile, 6 - ground pile, 7 - anchor bolt, 8 - end cap, 9 - end cap screw, 10 - pulley, 11 - pulley rotating shaft, 12 - damping bearing, 13 - windproof cable pull ring sleeve, 14 - windproof cable pull ring sleeve bolt. Specific embodiments

[0023] 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.

[0024] As shown in the attached Figure 1 figure, a follow-up windproof cable device for a flexible photovoltaic tracking bracket of the present invention is composed of a windproof cable, a cable clamp, a cable clamp bolt, a pulley pile, a ground pile, an anchor bolt, an end cap, an end cap screw, a pulley, a pulley rotating shaft, a damping bearing, a windproof cable pull ring sleeve, a windproof cable pull ring sleeve bolt, etc. The pulley pile is installed on the ground pile, and the pulley, pulley rotating shaft, damping bearing, etc. are installed on the pulley pile. The windproof cable is connected to the load-bearing cable using the windproof cable pull ring sleeve and bypasses the pulley to form a rotatable windproof cable loop. When the bracket rotates, the windproof cable can rotate with the bracket, thereby simultaneously realizing the functions of wind prevention and vibration suppression and bracket tracking, and improving the stability of the bracket.

[0025] As shown in the attached Figure 3 , 6 , 7, and 9, for this follow-up windproof cable device of the flexible photovoltaic tracking bracket, the windproof cable and the load-bearing cable are connected through the windproof cable pull ring sleeve to achieve the connection and rotation of the windproof cable; the load-bearing cable passes through the windproof cable pull ring sleeve and is fixed with the windproof cable pull ring sleeve bolt; the windproof cable bypasses the card slot of the windproof cable pull ring sleeve and is fixed with a cable clamp and a cable clamp bolt. The windproof cable can rotate around the card slot of the windproof cable pull ring sleeve.

[0026] As shown in the attached Figure 4 , 5 , and 8, for this follow-up windproof cable device of the flexible photovoltaic tracking bracket, the pulley device at the ground pile adopts the method of installing a damping bearing to control the rotation speed of the windproof cable; the pulley pile is installed on the ground pile through an anchor bolt; the damping bearing is installed in the groove of the pulley pile, and the boss of the pulley pile is fixed with an end cap to position the damping bearing; the pulley rotating shaft is installed on the damping bearing; the pulley is assembled with the pulley rotating shaft by interference fit and is installed in the middle position of the pulley pile; when the windproof cable rotates normally with the bracket, the pulley rotates normally; when encountering strong winds, due to the damping effect of the damping bearing, the sudden rapid rotation of the windproof cable is inhibited, thereby achieving the effect of wind resistance and vibration suppression and improving the stability of the bracket.

[0027] As shown in the attached Figure 2As shown, for the follow-up windproof cable device of the flexible photovoltaic tracking support, the rotation circuit of the windproof cable can adopt the installation methods of one or two pulley devices. The included angle range formed by the windproof cable in the vertical direction and the vertical direction is from -45° to 45°. When using one pulley device, it is arranged in the middle position. When using two pulley devices, the installation layout can be determined according to actual needs. The included angle range formed by the windproof cables on both sides in the vertical direction and the vertical direction is from -45° to 45°. This increases the flexibility and adaptability of the follow-up windproof cable device.

[0028] For the follow-up windproof cable device of the flexible photovoltaic tracking support, the windproof cable rotates following the rotation of the load-bearing cable. When there is no strong wind interference in the environment, the load-bearing cable of the flexible photovoltaic tracking support rotates normally, and at this time the windproof cable also rotates normally following the load-bearing cable. When there is strong wind interference in the environment, the load-bearing cable of the flexible photovoltaic tracking support will rotate abnormally. At this time, due to the action of the damping bearing, the windproof cable can ensure normal rotation. The windproof cable is connected to the load-bearing cable, thereby controlling the abnormal rotation of the load-bearing cable and ensuring the wind resistance and stability of the support.

[0029] The above is only the preferred embodiment 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 relevant technologies or knowledge in the above fields. 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 follower windproof cable device, characterized in that: include The windproof cable and the load-bearing cable are connected through a windproof cable pull ring sleeve to achieve the connection and rotation of the windproof cable; The pulley device at the ground pile adopts the method of installing damping bearings to control the speed of the windproof cable; The rotating loop of the windbreak cable can be installed in the manner of one or two pulleys, and the angle formed by the windbreak cable in the vertical direction and the vertical direction ranges from -45° to 45°.

2. The flexible photovoltaic tracking bracket follower anti-wind cable device according to claim 1 is characterized in that: The windproof cable (1) and the load-bearing cable (2) are connected via the windproof cable pull ring sleeve (13) to achieve connection and rotation of the windproof cable (1); the load-bearing cable (2) passes through the windproof cable pull ring sleeve (13) and is fixed by the windproof cable pull ring sleeve bolt (14); the windproof cable (1) passes around the clamping groove (13a) of the windproof cable pull ring sleeve (13) and is fixed by the rope clamp (3) and the rope clamp bolt (4). The windproof cable (1) can rotate around the clamping groove (13a) of the windproof cable pull ring sleeve.

3. The flexible photovoltaic tracking bracket follower anti-wind cable device according to claim 1 is characterized in that: The pulley device at the ground pile adopts a method of installing a damping bearing to control the rotation speed of the windproof cable; the pulley pile (5) is installed on the ground pile (6) through an anchor bolt (7); the damping bearing (12) is installed in the pulley pile groove (5a), and the pulley pile boss (5b) uses an end cover (8) to fix and position the damping bearing (12); the pulley shaft (11) is installed on the damping bearing (12); the pulley (10) is assembled with the pulley shaft (11) through an interference fit and is installed in the middle position of the pulley pile (5); when the windproof cable (1) rotates normally with the bracket, the pulley (10) rotates normally; when encountering strong winds, the damping effect of the damping bearing (12) suppresses the sudden and rapid rotation of the windproof cable (1), thereby achieving wind resistance and vibration suppression, and improving the stability of the bracket.

4. The flexible photovoltaic tracking bracket follow-up anti-wind cable device according to claim 1 is characterized in that: The rotation loop of the windbreak cable (1) can be installed in the manner of one or two pulley devices, and the angle formed by the windbreak cable (1) in the vertical direction and the vertical direction ranges from -45° to 45°; when one pulley device is used, it is arranged in the middle position; when two pulley devices are used, the installation layout can be determined according to actual needs, and the angle formed by the windbreak cables (1) on both sides in the vertical direction and the vertical direction ranges from -45° to 45°. The flexibility and adaptability of the follow-up windbreak cable device are increased.

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