Water environment photovoltaic support damping device

Abstract

The utility model relates to a water environment photovoltaic support damping device which comprises bearing cables arranged in pairs, the bearing cables are arranged in parallel to form bearing cable groups, the device further comprises a plurality of damping assemblies, the damping assemblies are arranged in the length direction of the bearing cables, and the damping assemblies are installed between the bearing cables or the adjacent bearing cable groups. The damping assembly comprises a counterweight plate arranged in a plate shape and a connecting piece for connecting the bearing cable and the counterweight plate, the density of the counterweight plate is larger than that of water, the counterweight plate is completely immersed in the water, the connecting piece is partially immersed in the water, the connecting piece is a rigid rod or a flexible steel strand, a wind-resistant cable is further arranged at the bottom of the bearing cable, and the wind-resistant cable is connected with the bearing cable. The connecting pieces are connected with the wind-resistant cables and the bearing cables, energy generated by wind power is effectively dissipated, the amplitude of the whole flexible support is reduced, and the structural strength and safety are improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to a water environment photovoltaic support damping device belongs to photovoltaic equipment field. BACKGROUND

[0002] The flexible photovoltaic support system is a large-span, high-clearance, multi-continuous span structure, which adopts prestressed steel strands between two fixed points for tensioning, and provides support reaction force in the form of rigid structure and outer side cable-stayed steel strands, adapts to conditions such as mountain undulation and vegetation increase, and only needs to set the foundation at the appropriate position and tension the prestressed steel strands or steel wire ropes, so that the structure of rigid column, foundation and flexible support can be realized in the lake and fish pond under the condition that the water level remains unchanged.

[0003] At present, the flexible photovoltaic support has large amplitude under strong wind conditions, which is easy to cause damage to the structure or photovoltaic module, especially the photovoltaic system installed in the water environment, and the maintenance and repair cost is higher after being damaged.

[0004] To solve the above problems, a water environment photovoltaic support damping device is provided in the application. UTILITY MODEL CONTENTS

[0005] The utility model solves the technical problems of overcoming the defects of the prior art, providing a water environment photovoltaic support damping device, effectively dissipating the energy generated by wind, reducing the amplitude of the overall flexible support, improving the structural strength and safety, and effectively solving the problems in the background art.

[0006] To solve the above technical problems, the utility model provides the following technical scheme:

[0007] A water environment photovoltaic support damping device, comprising a pair of load-bearing cables, the load-bearing cables are arranged in parallel to form a load-bearing cable group, and a plurality of damping assemblies, the plurality of damping assemblies are arranged along the length direction of the load-bearing cable, and the damping assembly is installed between the load-bearing cable or adjacent load-bearing cable groups;

[0008] The damping assembly comprises a counterweight plate arranged in a plate shape and a connecting piece connecting the load-bearing cable and the counterweight plate;

[0009] The density of the counterweight plate is greater than the density of water, the counterweight plate is completely immersed in water, and the connecting piece is partially immersed in water;

[0010] The connecting piece is arranged as a rigid rod or a flexible steel strand.

[0011] As a further improvement of the utility model, the bottom of the load bearing cable is further provided with a wind resisting cable, and the connecting piece connects the wind resisting cable and the load bearing cable.

[0012] As a further improvement of the utility model, reinforcing trusses are fixedly connected between the load bearing cables, the reinforcing trusses are used for connecting adjacent load bearing cable groups and wind resisting cables, and the damping assemblies are installed at the bottom of the reinforcing trusses.

[0013] As a further improvement of the utility model, the counterweight plate is provided as a round plate, a rectangular plate or a polygonal plate, and counterweight blocks are further connected to the counterweight plate and arranged at the top or bottom of the counterweight plate.

[0014] As a further improvement of the utility model, a plurality of counterweight plates are provided, connecting holes are formed in the counterweight plates, and the plurality of counterweight plates are fixedly connected through bolts.

[0015] As a further improvement of the utility model, the connecting piece further comprises an upper connecting part and a lower connecting part, the upper connecting part is hung on the load bearing cable or the reinforcing truss, the bottom of the lower connecting part is connected to the counterweight plate, and the top of the lower connecting part is connected to the connecting piece.

[0016] As a further improvement of the utility model, the upper connecting part is provided as a triangular structure formed by steel strands, the upper connecting part is hung on the load bearing cable, and supporting angle steels are further fixedly installed between the load bearing cables.

[0017] As a further improvement of the utility model, the upper connecting part comprises a supporting frame, an upper connecting seat, a connecting rod, a lower connecting seat and a spring, the top of the connecting rod penetrates through the bottom of the supporting frame and extends into the supporting frame, the bottom of the upper connecting seat extends into the supporting frame, the spring is slidably arranged on the connecting rod and located in the supporting frame, and a limiting plate for limiting the spring is fixedly arranged at the top of the connecting rod.

[0018] As a further improvement of the utility model, the counterweight plate is provided as cast iron or concrete material, or the counterweight plate is provided as a hollow structure and filled with sand and stones.

[0019] As a further improvement of the utility model, end columns and intermediate columns are further provided, the load bearing cables are fixedly installed on the end columns and the intermediate columns after being applied with prestress, and reinforcing rods are fixedly connected between adjacent intermediate columns.

[0020] The beneficial effects of this utility model are as follows: A water environment photovoltaic support vibration reduction device is provided by installing a counterweight plate at the bottom of a pair of load-bearing cables through a connector. The counterweight plate is completely submerged in water. When the photovoltaic module is subjected to wind force and moves upward, the load-bearing cables drive the counterweight plate to move upward instantaneously. In an instant, the counterweight plate needs to overcome the resistance or gravity of the water at a certain depth above it, thereby effectively dissipating the energy generated by the wind force, reducing the amplitude of the overall flexible support, and improving the structural strength and safety. Attached Figure Description

[0021] The accompanying drawings are provided to further understand the present invention and form part of the specification. They are used together with the embodiments of the present invention to explain the present invention and do not constitute a limitation thereof.

[0022] Figure 1 This is a structural diagram of a water environment photovoltaic support vibration reduction device according to the present invention.

[0023] Figure 2 This utility model relates to a shock absorption device for a photovoltaic support structure in a water environment. Figure 1 Enlarged structural diagram of section A in the middle.

[0024] Figure 3 This is a structural diagram of a water environment photovoltaic support vibration reduction device according to the present invention.

[0025] Figure 4 This is a structural diagram of another embodiment of the water environment photovoltaic support vibration reduction device of this utility model.

[0026] Figure 5 This utility model relates to a vibration damping device for photovoltaic supports in aquatic environments. Figure 4 Enlarged structural diagram of section B in the middle.

[0027] Figure 6 This is a structural diagram of the shock-absorbing component in a water environment photovoltaic support shock-absorbing device according to this utility model.

[0028] Figure 7 This is a structural diagram of the shock-absorbing component in another embodiment of the shock-absorbing device for a photovoltaic bracket in a water environment according to this utility model.

[0029] Figure 8 This is a structural diagram of the shock-absorbing component in another embodiment of the shock-absorbing device for a photovoltaic bracket in a water environment according to this utility model.

[0030] Figure 9 This is a structural diagram of the shock-absorbing component in another embodiment of the shock-absorbing device for a photovoltaic bracket in a water environment according to this utility model.

[0031] Figure 10 This is a structural diagram of the shock-absorbing component in another embodiment of the shock-absorbing device for a photovoltaic bracket in a water environment according to this utility model.

[0032] Figure 11 is another embodiment of the utility model of water environment photovoltaic support damping device damping assembly structure diagram.

[0033] Figure 12 is another embodiment of the utility model of water environment photovoltaic support damping device damping assembly structure diagram.

[0034] Figure mark: 1, bearing cable; 2, damping assembly; 21, connecting piece; 22, counterweight plate; 221, connecting hole; 23, lower connecting part; 24, upper connecting part; 240, support frame; 241, upper connecting seat; 242, connecting rod; 243, lower connecting seat; 244, spring; 3, wind-resistant cable; 4, end column; 5, intermediate column; 6, reinforcing truss; 7, support angle steel; 8, counterweight block. DETAILED DESCRIPTION

[0035] The utility model will be further described below in conjunction with specific embodiments, wherein, the drawings are only used for example description, and the representation is only schematic diagram, and not physical drawing, and can not be understood as the limitation of the patent of the utility model, in order to better illustrate the specific embodiment of the utility model, some components of the drawings will be omitted, enlarged or reduced, and do not represent the size of actual product, for the technical personnel of the art, some known structures and its description in the drawings can be omitted, based on the specific embodiment in the utility model, all other specific embodiments obtained by the ordinary skill of the art without making creative labor are within the scope of the protection of the utility model.

[0036] In order to make the technical means, creative features, purposes and effects realized by the utility model easy to understand, in the description of the utility model, it needs to be explained that the orientation or position relationship indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "internal", "external" and the like is based on the orientation or position relationship shown in the drawings, and is only for the convenience of describing the utility model and simplifying the description, and therefore can not be understood as indicating or implying that the indicated device or element must have a particular orientation, a particular orientation and operation, and therefore can not be understood as the limitation of the utility model, in addition, the terms "first", "second", "third" are only used for the purpose of description, and can not be understood as indicating or implying relative importance, which will be further described below in conjunction with the specific embodiment.

[0037] EMBODIMENT

[0038] As Figures 1-11 shown, a kind of water environment photovoltaic support damping device, including the bearing cable 1 of being set in pairs, bearing cable 1 is arranged in parallel between formation bearing cable group, still include several groups of damping assembly 2, several groups of damping assembly 2 are arranged along the length direction of bearing cable 1, the damping assembly 2 is installed in bearing cable 1 or adjacent bearing cable group between;

[0039] The damping assembly 2 comprises a counterweight plate 22 arranged in a plate shape and a connecting piece 21 connecting the bearing cable 1 and the counterweight plate 22;

[0040] The density of the counterweight plate 22 is greater than the density of water, the counterweight plate 22 is completely immersed in water, and the connecting piece 21 is partially immersed in water;

[0041] The connecting piece 21 is arranged as a rigid rod or a flexible steel wire.

[0042] As Figure 1 , Figure 2 The damping assembly 2 is installed on the pair of bearing cables 1, the connecting piece 21 is arranged as a flexible steel wire, the top of the pair of bearing cables 1 is used for fixedly installing a photovoltaic assembly, and the two pair of bearing cables 1 form a bearing cable group. A bearing cable group and an end column 4 form a single-row flexible support. Since the flexible support mainly acts on the large-area photovoltaic assembly when the wind attacks, the photovoltaic assembly is installed on the bearing cable 1 with a certain flexible deformation capacity, the amplitude is large, the counterweight plate 22 is installed at the bottom of the pair of bearing cables 1 through the connecting piece 21, the counterweight plate 22 is completely immersed in water, when the photovoltaic assembly is upwardly moved under the wind, the counterweight plate 22 is instantaneously moved upwardly through the bearing cable 1, the counterweight plate 22 needs to overcome the resistance or gravity of the water with a certain depth above the counterweight plate 22 at the moment, thereby effectively dissipating the energy generated by the wind, reducing the amplitude of the overall flexible support, and improving the structural strength and safety.

[0043] In addition, in order to improve the overall wind resistance of the multi-row flexible support, the damping assembly 2 can also be installed between adjacent bearing cable groups, so that the multi-row flexible support is combined in the vertical direction of the bearing cable 1 to form an overall structure, and the wind resistance is better.

[0044] In some optional embodiments, as Figure 3 shown, the bottom of the bearing cable 1 is further provided with a wind-resistant cable 3, and the connecting piece 21 connects the wind-resistant cable 3 and the bearing cable 1. The flexible support with the wind-resistant cable 3 forms a three-cable flexible support in the prior art. The wind-resistant cable 3 itself cooperates with the damping assembly 2 to achieve better wind resistance and damping performance, and further improve the structural strength and safety of the overall flexible photovoltaic support.

[0045] Further, as Figure 4As shown, the reinforcing truss 6 is fixedly connected between the load-bearing cables 1, and is used to connect adjacent load-bearing cable groups and the wind-resistant cable 3. The damping assembly 2 is installed at the bottom of the reinforcing truss 6, and the reinforcing truss 6 is used to connect the load-bearing cables 1 and the wind-resistant cable 3 of the plurality of rows of flexible supports. The reinforcing truss 6 can have various structural forms, and can be selected from the structural forms disclosed in the prior art, such as the structural forms disclosed in the applications with the application numbers 2023118025996 and 2024200462921.

[0046] In some optional embodiments, the counterweight plate 22 is provided in the form of a circular plate, a rectangular plate, or a polygonal plate, such as Figure 12 As shown, the counterweight plate 22 is further connected with a counterweight block 8, which is arranged at the top or bottom of the counterweight plate 22. In consideration of the actual project site, the counterweight block 8 can be added to improve the damping effect according to the local wind power. The counterweight block 8 is installed at the top or bottom of the counterweight plate 22. When the counterweight block 8 is installed at the top, it can be designed to be integrally formed with the counterweight plate 22 in the form of concrete. A suspension rod is formed at the top of the counterweight block 8. The connecting piece 21 and the upper connecting portion 24 are integrally formed by steel strands. The bottom and top of the steel strands are bent to form a loop structure. The lower connecting portion 23 in the form of a hanging ring is connected with the counterweight block 8 at the bottom of the steel strand.

[0047] In some optional embodiments, the counterweight plate 22 is provided in the form of a circular plate, a rectangular plate, or a polygonal plate, such as

[0048] Specifically, the connecting piece 21 further includes an upper connecting portion 24 and a lower connecting portion 23. The upper connecting portion 24 is hung on the load-bearing cable 1 or the reinforcing truss 6. The bottom of the lower connecting portion 23 is connected with the counterweight plate 22. The top of the lower connecting portion 23 is connected with the connecting piece 21.

[0049] For example, as shown in Figure 2 The upper connecting portion 24 and the connecting piece 21 are integrally formed by steel strands. The upper connecting portion 24 is provided in the form of a triangular structure formed by the steel strands. The upper connecting portion 24 is hung on the load-bearing cable 1. The connecting portion 24 and the load-bearing cable 1 are fixed by a U-shaped bolt. A support angle steel 7 is further fixedly installed between the load-bearing cables 1. In consideration of the local node, the steel strands in the form of a triangular structure are connected with the paired load-bearing cables 1. The photovoltaic assembly installed at this position has a large local stress under the action of wind force. The local position can be effectively strengthened by fixedly installing the support angle steel 7 in the form of a rigid structure, so as to avoid local damage.

[0050] Alternatively, as shown in Figure 9 , Figure 10As shown, the upper connecting part 24 is composed of a support frame 240, an upper connecting seat 241, a connecting rod 242, a lower connecting seat 243 and a spring 244, the connecting rod 242 penetrates the bottom of the support frame 240 and extends into the inside of the support frame 240, the upper connecting seat 241 extends into the inside of the support frame 240, the spring 244 is arranged on the connecting rod 242 and located in the inside of the support frame 240, and a limiting plate is fixedly arranged on the top of the connecting rod 242 and used for limiting the spring 244.

[0051] Specifically as Figure 9 shown, the connecting piece 21 is specifically provided in a triangular pyramid structure composed of three steel strands, the lower connecting part 23 is provided in a U-shaped bolt fixedly installed on the counterweight plate 22, the upper connecting seat 241 and the lower connecting seat 243 are provided in hanging rings, and the spring 244 is arranged to provide buffering at the connecting position of the upper connecting part 24 and the bearing cable 1.

[0052] Alternatively as Figure 10 shown, the connecting piece 21 is specifically provided in three rigid circular tubes, and the lower connecting seat 243 is designed in a tripod-shaped connecting seat.

[0053] In some optional embodiments, the counterweight plate 22 is provided in cast iron or concrete material, or the counterweight plate 22 is provided in a hollow structure and filled with sand and stones in the inside.

[0054] In some optional embodiments, as Figure 3 , Figure 4 shown, the end columns 4 and the intermediate columns 5 are further included, the bearing cable 1 is fixedly installed on the end columns 4 and the intermediate columns 5 after being prestressed, and the reinforcing rods are fixedly connected between adjacent intermediate columns 5.

[0055] According to actual project conditions, when the span is small, only the end columns 4 can be arranged to support the bearing cable 1, and when the span is large, the intermediate columns 5 are arranged between the end columns 4 to further support the bearing cable 1.

[0056] The above is the preferred embodiment of the present application, the basic principle and main features of the present application and the advantages of the present application are shown and described, the skilled in the art should understand that the present application is not limited by the above-mentioned embodiments, the above-mentioned embodiments and the description in the specification are only to illustrate the principle of the present application, without departing from the spirit and scope of the present application, the present application will have various changes and improvements, these changes and improvements all fall within the scope of the present application, the scope of protection of the present application is defined by the appended claims and their equivalents.

Claims

1. A water environment photovoltaic support damping device, comprising a pair of load bearing cables, the load bearing cables are arranged in parallel to form a load bearing cable group, characterized in that: Still comprising several groups of damping assemblies, the several groups of damping assemblies are arranged along the length direction of the load bearing cable, the damping assemblies are installed between the load bearing cable or adjacent load bearing cable groups; The damping assembly comprises a counterweight plate arranged in a plate shape and a connecting piece connecting the load bearing cable and the counterweight plate; The density of the counterweight plate is greater than the density of water, the counterweight plate is completely immersed in water, and the connecting piece is partially immersed in water; The connecting piece is arranged as a rigid rod or a flexible steel strand.

2. The water environmental photovoltaic support damping device according to claim 1, characterized in that: The bottom of the load bearing cable is further provided with a wind resisting cable, and the connecting piece connects the wind resisting cable and the load bearing cable.

3. The water environmental photovoltaic support damping device according to claim 2, characterized in that: The load bearing cables are fixedly connected with reinforcing trusses, the reinforcing trusses are used for connecting adjacent load bearing cable groups and wind resisting cables, and the damping assemblies are installed at the bottom of the reinforcing trusses.

4. The water environmental photovoltaic support damping device according to claim 1, characterized in that: The counterweight plate is arranged as a circular plate, a rectangular plate or a polygonal plate, and a counterweight block is further connected to the counterweight plate and arranged at the top or bottom of the counterweight plate.

5. The water environmental photovoltaic support damping device according to claim 1, characterized in that: The counterweight plate is arranged as a plurality of plates, a connecting hole is formed in the counterweight plate, and the plurality of counterweight plates are fixedly connected through bolts.

6. The water environmental photovoltaic support damping device according to claim 3, characterized in that: The connecting piece further comprises an upper connecting part and a lower connecting part, the upper connecting part is hung on the load bearing cable or the reinforcing truss, the bottom of the lower connecting part is connected to the counterweight plate, and the top of the lower connecting part is connected to the connecting piece.

7. A water environmental photovoltaic support damping device according to claim 6, characterized in that: The upper connecting part is arranged as a triangular structure wound by a steel strand, the upper connecting part is hung on the load bearing cable, and supporting angle steels are further fixedly installed between the load bearing cables.

8. The water environmental photovoltaic support damping device according to claim 6, characterized in that: The upper connecting part is composed of a supporting frame, an upper connecting seat, a connecting rod, a lower connecting seat and a spring, the connecting rod penetrates through the bottom of the supporting frame and extends into the inside of the supporting frame, the bottom of the upper connecting seat extends into the inside of the supporting frame, the spring is slidably arranged on the connecting rod and located in the inside of the supporting frame, and a limiting plate for limiting the spring is fixedly arranged at the top of the connecting rod.

9. The water environmental photovoltaic support damping device according to claim 1, characterized in that: The counterweight plate is arranged as cast iron or concrete material, or the counterweight plate is arranged as a hollow structure and filled with sand and stones inside.

10. A water environmental photovoltaic support damping device according to any one of claims 1-9, characterized in that: End columns and intermediate columns are further provided, and the load bearing cables are fixedly installed on the end columns and the intermediate columns after being prestressed, and reinforcing rods are fixedly connected between adjacent intermediate columns.

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