CN220156461U - Flexible cable photovoltaic tracking bracket - Google Patents

Abstract

The utility model provides a flexible cable photovoltaic tracking support, includes girder, stand, crossbeam and carrier cable, and the girder can carry out circumference rotation, and the crossbeam is perpendicular to be installed on the girder with the extending direction fixed mounting of girder, strides between the adjacent crossbeam to be equipped with two piece at least parallel carrier cable to permit photovoltaic module cross-over connection to install on the carrier cable. The span of the photovoltaic tracking support flexible cable can be flexibly set, and the photovoltaic tracking support flexible cable has the advantages of light weight, low construction cost and good reliability.

Description

Flexible cable photovoltaic tracking bracket

Technical Field

The utility model belongs to the field of photovoltaics, and particularly relates to a flexible cable photovoltaic tracking bracket.

Background

Photovoltaic brackets are the core framework of photovoltaic power plants, usually of both the stationary and tracking type. The tracking type support has higher comprehensive power generation efficiency, thereby creating higher benefits, and therefore, the tracking type support is receiving more and more attention. At present, the tracking type support adopts purlines as a supporting structure of the photovoltaic module, the number of the purlines is large, the weight of the purlines is large, and a relatively complex driving device is needed, so that the overall cost of the tracking type support is high. Therefore, the tracking type photovoltaic bracket with simple structure and cost saving has positive significance for popularization of photovoltaic power generation.

Disclosure of Invention

The utility model aims to provide a flexible cable photovoltaic tracking bracket, which simplifies the supporting structure of a photovoltaic module and reduces the cost of the photovoltaic bracket.

According to an embodiment of the utility model, there is provided a flexible cable photovoltaic tracking bracket comprising an upright, a main beam, a cross beam and a carrier cable, wherein: the main beam can rotate circumferentially; the cross beams are fixedly arranged on the main beams, and at least two parallel carrier ropes are arranged between every two adjacent cross beams in a straddling mode so as to allow the photovoltaic module to be arranged on the carrier ropes in a straddling mode. This photovoltaic tracking support has cancelled the purlin, adopts the carrier cable to provide the support for photovoltaic module, effectively reduces structural weight, has saved the material cost of purlin, and its flexible supporting structure also can adapt to complicated topography environment better.

Further, the carrier cable is configured as a steel strand. The steel strand has high strength and low cost, and is convenient to install and maintain.

Further, the steel strand is prestressed. The steel strand has good bending resistance after prestressing, and can provide effective support for the photovoltaic module.

Further, the messenger wire is connected with the cross beam through an adjustable anchor. The binaural anchorage is convenient for the installation and the disassembly of the steel strand wires, and is also convenient for pre-tightening the carrier cable through a special tool.

Further, the main beam is connected with the upright post through a rotary speed reducer. The rotary speed reducer provides rotary power for the main beam so as to accurately adjust the angle of the photovoltaic module.

Further, the cross beam is configured as an i-steel. The I-shaped steel structure has higher structural strength.

Further, the lug plates perpendicular to the extending direction of the cross beam are welded on the side face of the cross beam. The lug plates are convenient for the fixed installation of the carrier ropes, and the overall strength of the cross beam can be improved.

Further, a connecting hole is formed in the lug plate and used for fixing the carrier cable.

Further, a damper is mounted on the main beam, and the damper is connected between the main beam and the upright post. The damper can effectively attenuate vibration caused by wind power.

Further, the two sides of the cross beam are respectively connected with the carrier ropes. The bearing rope pulling forces on the two sides are mutually offset, so that the stress state of the cross beam can be improved, and the reliability of the whole structure is improved.

Drawings

FIG. 1 is a schematic view of a flexible cable photovoltaic tracking stent in an embodiment;

FIG. 2 is an enlarged schematic view of the area A in FIG. 1;

FIG. 3 is a schematic view of a flexible cable photovoltaic tracking bracket in another embodiment;

fig. 4 is an enlarged view of the area B in fig. 3.

The above drawings are provided for the purpose of explaining the present utility model in detail so that those skilled in the art can understand the technical concept of the present utility model, and are not intended to limit the present utility model. For simplicity of explanation, the above-described drawings schematically illustrate only the structure related to the technical features of the present utility model, and do not strictly illustrate the complete structure and all the details to the actual scale.

Detailed Description

The utility model will now be described in further detail with reference to the accompanying drawings by means of specific examples.

Reference herein to "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment may be included in at least one embodiment herein. The appearances of such phrases in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments limited to the same embodiment. Those skilled in the art will appreciate that embodiments herein may be combined with other embodiments without structural conflict.

In the description herein, unless explicitly stated and limited otherwise, the terms "mounted," "connected," and the like are to be construed broadly and may be movably connected, fixedly connected, or integrally formed. The specific meaning of the above terms in the embodiments of the present utility model will be understood by those skilled in the art according to specific circumstances.

In the description herein, terms such as "upper," "lower," "left," "right," "transverse," "longitudinal," "height," "length," "width," and the like that indicate an azimuth or positional relationship are intended to accurately describe the embodiments and simplify the description, and do not limit the details or structures involved to having to have a particular azimuth, mount or operate in a particular azimuth, and are not to be construed as limiting embodiments herein.

In the description herein, the meaning of "plurality" is at least two.

The existing photovoltaic tracking support is connected with a main shaft of the tracking support in a mode that purlines are arranged on the back side of the photovoltaic module, so that the main shaft can drive the photovoltaic module to rotate. The structure needs to install a large number of purlines, which not only increases the structural weight of the photovoltaic bracket, but also increases the production and manufacturing cost,

in order to solve the above problems, an embodiment of the present utility model provides a flexible cable photovoltaic tracking bracket as shown in fig. 1. The tracking support comprises a stand column 1 and a main beam 2, wherein the stand column 1 is arranged on the ground to provide support for the whole photovoltaic tracking support, and the main beam 2 is erected on the stand column 1. Perpendicular to the extending direction of girder 2, a plurality of crossbeams 3 fixed mounting is on girder 2, strides between the adjacent crossbeam 3 to be equipped with the carrier cable 4 that two parallel steel strands made, and photovoltaic module 5 fixed mounting is on carrier cable 4. The main beam 2 and the cross beam 3 can be connected by welding or fixed connection modes such as riveting or bolting. The bearing 9 is arranged on the main beam 2 in a penetrating way, the rotary speed reducer 8 is arranged on the outer side of the bearing 9, the main beam 2 is connected with the upright column 1 through the rotary speed reducer 8, and the main beam 2 can circumferentially rotate in a certain range under the drive of the rotary speed reducer 8, so that the cross beam 3 is driven to rotate, and the effect of adjusting the angle of the photovoltaic module 5 is achieved. In some embodiments, only the middle upright 1 is provided with a rotary speed reducer 8, and only the bearings 9 are arranged between the rest of the uprights 1 and the main beam 2, so that the main beam 2 can be driven to rotate circumferentially. In some embodiments, the swing speed reducer 8 may be replaced with a hydraulic mechanism or a driving device such as an electric motor. In some embodiments, the carrier cable 4 may also be made of nylon or composite fiber. The flexible carrier cable is used for replacing the rigid purline, so that the overall weight of the photovoltaic tracking bracket is effectively reduced, and meanwhile, as the cross beam 3 is directly arranged on the main beam 2, the distance between the upright posts 1 can be optimized according to the actual condition of the installation site, and the overall installation efficiency of the photovoltaic tracking bracket is improved. In some embodiments, the carrier cables 4 may be provided with 3 or more to reduce the load on a single carrier cable 4, making the installation of the photovoltaic module 5 more robust.

In connection with fig. 2, the cross beam 3 is in a preferred embodiment manufactured from i-steel with an i-shaped cross section, in order to increase the overall strength and rigidity of the cross beam 3. In a further preferred embodiment, the side surface of the cross beam 3 is welded with a vertical lug plate 7, and the lug plate 7 is connected between the wing plates of the i-steel, so that on one hand, the strength of the cross beam 3 is further improved, and on the other hand, the lug plate 7 can be perforated to serve as a connecting hole of the carrier rope 4, so as to avoid the structural strength reduction caused by perforation on the cross beam 3. In some embodiments, the cross beam 3 may also be made of round tube steel or square tube steel.

In the preferred embodiment, the ends of the carrier cable 4 are connected to the ear plates 7 through the binaural adjusting type anchor 6, the binaural adjusting type anchor 6 facilitates the disassembly and assembly of the carrier cable 4, and when the carrier cable 4 is installed, the pretightening force can be applied to the carrier cable 4 by adjusting the distance between one end of the anchor connecting carrier cable 4 and the binaural fixing end, so that the support for the photovoltaic module 5 is better provided. In some embodiments, the carrier cable 4 may also be directly fastened to the cross beam 3 by means of a tie-down or bolting, etc.

In the preferred embodiment, the two sides of the cross beam 3 are respectively connected with the carrier ropes 4, so that the tensile forces on the two sides of the cross beam 3 are balanced, the stress of the connecting part of the cross beam 3 and the main beam 2 is reduced, and the service life of the photovoltaic bracket is prolonged. The method comprises the steps of carrying out a first treatment on the surface of the

Another embodiment of the present utility model is shown in fig. 3, where the same main beam 2 is sequentially connected with a plurality of columns 1, a beam 3 is disposed on the main beam 2 at a distance of about 1.5 times of the columns 1, a steel strand carrier cable 4 is erected between adjacent beams 3, and a photovoltaic module 5 is fixedly mounted on the carrier cable 4 in a back locking manner. The two sides of the joint of the main beam 2 and the upright post 1 are provided with the dampers 10, the dampers 10 can provide buffer protection for the main beam, the vibration caused by strong wind is reduced, and the reliability of the photovoltaic tracking bracket is improved. It should be understood that the spacing between the cross beams 3 can be reasonably adjusted according to the actual stress situation.

As shown in fig. 4, the photovoltaic module 5 may be fixed on the carrier rope 4 in a back locking manner, and the two semi-annular metal fixing pieces 11 are connected by fastening bolts 12 disposed on the frame of the photovoltaic module 5 and clamp and fix the carrier rope 4. The fixing piece 11 may be replaced by a connecting ring fixedly connected to the frame of the photovoltaic module 5, so that the carrier cable 4 passes through the connecting ring to achieve the fixing effect, and in other embodiments, the photovoltaic module 5 may also be fixedly connected to the carrier cable 4 in the form of module pressing blocks, backing plates, hoops, etc.

The above-described embodiments are intended to explain the present utility model in further detail with reference to the figures so that those skilled in the art can understand the technical concept of the present utility model. Within the scope of the claims, the structural optimization or equivalent replacement of the parts involved, and the implementation of the different embodiments without structural and principle conflicts, all fall within the scope of protection of the present utility model.

Claims (10)

1. The utility model provides a flexible cable photovoltaic tracking support, includes stand and girder, the girder can carry out circumference rotation, its characterized in that, flexible cable photovoltaic tracking support still includes crossbeam and carrier cable, crossbeam fixed mounting is in on the girder, adjacent stride between the crossbeam and be equipped with two piece at least parallel carrier cable to permit photovoltaic module cross-over connection to install on the carrier cable.

2. The flexible cable photovoltaic tracking stent of claim 1 wherein the carrier cable is configured as a steel strand.

3. The flexible cable photovoltaic tracking bracket of claim 2, wherein the steel strand is pre-stressed.

4. A flexible cable photovoltaic tracking bracket as claimed in claim 1 or claim 2 wherein the messenger is connected to the cross beam by an adjustable anchor.

5. The flexible cable photovoltaic tracking bracket of claim 1 or 2, wherein the main beam is connected to the upright via a slewing reducer.

6. The flexible cord photovoltaic tracking bracket of claim 1 or 2, wherein the cross beam is configured as an i-beam.

7. The flexible cable photovoltaic tracking bracket of claim 6, wherein the cross beam side is welded with an ear plate perpendicular to the cross beam extension direction.

8. The flexible cable photovoltaic tracking bracket of claim 7, wherein the ear plate is provided with a connection hole for securing the carrier cable.

9. A flexible cable photovoltaic tracking bracket according to claim 1 or claim 2 wherein a damper is mounted on the main beam, the damper being connected between the main beam and the upright.

10. The flexible cable photovoltaic tracking bracket of claim 1 or 2, wherein the carrier cable is connected to each of two sides of the cross beam.