CN219611643U - Steering device, support portal and flexible suspension cable photovoltaic bracket system - Google Patents

Abstract

The utility model discloses a steering device, a support portal and a flexible suspension cable photovoltaic bracket system, which comprise a steering base and a cable guide part, wherein the steering base is used for being mounted on the support portal of an assembly cable; the stay cable guiding part is arranged on the steering base and used for allowing the component stay cable to pass through and guiding the component stay cable to change to the oblique pulling direction. The steering device is applied to the oblique pulling direction change of the component inhaul cable, the steering base is mounted on the supporting portal of the component inhaul cable, the component inhaul cable passes through the inhaul cable guide part of the steering device, the component inhaul cable is guided to be converted to the oblique pulling direction by the inhaul cable guide part, and then the component inhaul cable after oblique pulling is fixed to a preset fixing position, namely, the end side anchoring of the flexible suspension cable photovoltaic bracket system is completed, a plurality of groups of oblique pull rods are not required to be additionally arranged to balance the prestress suspension cable, system components are greatly reduced, the structure is simplified, and the system cost is reduced.

Description

Steering device, support portal and flexible suspension cable photovoltaic bracket system

Technical Field

The utility model relates to the technical field of photovoltaics, in particular to a steering device, a supporting portal frame and a flexible suspension cable photovoltaic bracket system.

Background

The flexible prestress suspension cable photovoltaic support system has a larger use value for realizing comprehensive utilization of the land because of being capable of realizing crossing unfavorable terrains with large span and high clearance, and is an important component of future photovoltaic supports. The current large-span flexible suspension cable photovoltaic support system comprises two end side door frames, a plurality of middle door frames arranged between the two end side door frames at intervals and component inhaul cables which are arranged at the tops of the end side door frames and the middle door frames in a crossing mode, wherein the component inhaul cables are used for supporting and installing photovoltaic components, two ends of the component inhaul cables are respectively fixed on the two end side door frames, and the end side door frames under the flexible suspension cable photovoltaic support system are required to be additionally provided with diagonal tension rods for balancing the horizontal tension of the prestress suspension cable, so that a plurality of prestress anchoring systems are required to be arranged at the end side door frames, the whole system is more in components, the structure is quite complex, and the cost is high.

In summary, how to solve the problems of complex structure and high cost of the flexible suspension photovoltaic support system has become a technical problem to be solved by those skilled in the art.

Disclosure of Invention

In view of the above, the utility model provides a steering device, a support portal and a flexible suspension cable photovoltaic bracket system, so as to solve the problems of complex structure and high cost of the flexible suspension cable photovoltaic bracket system.

In order to achieve the above purpose, the present utility model provides the following technical solutions:

a steering device for cable-stayed steering of an assembly cable, comprising:

a steering base for mounting to a support mast of the assembly cable;

and the stay cable guide part is arranged on the steering base and used for allowing the component stay cable to pass through and guiding the component stay cable to change to a diagonal direction.

Optionally, the steering base includes a mounting base and a supporting framework disposed on the mounting base, and the cable guiding portion is disposed on the supporting framework.

Optionally, the guy cable guiding part is an arc-shaped bent pipe arranged on the supporting framework;

or, the inhaul cable guiding part is an arc-shaped guiding groove arranged on the supporting framework;

or, be provided with the arc bearing face on the braced frame, it presses the cover to detain to be equipped with the arc on the arc bearing face, the arc press the cover with the cavity that the arc bearing face encloses forms the cable guiding portion.

Optionally, the steering base is provided with a rotating part, and the rotating part is used for being rotatably mounted on the support portal frame.

Optionally, the rotation connection mode between the rotation part and the support portal is hinged connection.

Optionally, a hinge axis between the rotating part and the support mast is arranged in a lateral or vertical direction of the support mast.

Compared with the prior art, the steering device is applied to the inclined pulling direction changing of the component inhaul cable, the steering base is mounted on the supporting portal of the component inhaul cable, the component inhaul cable passes through the inhaul cable guiding part of the steering device, the component inhaul cable is guided to be converted to the inclined pulling direction by the inhaul cable guiding part, and then the inclined pulling back component inhaul cable is fixed to the preset fixing position, namely, the end side anchoring of the flexible suspension cable photovoltaic support system is completed.

In addition, the utility model also provides a support portal frame for supporting the component guy cable, wherein the support portal frame is provided with at least one steering device described in the scheme. The above-mentioned steering device has the foregoing technical effects, so the support portal having the steering device should also have corresponding technical effects, and will not be described herein.

Optionally, a plurality of steering devices are arranged on the support portal frame, and the steering devices are sequentially distributed along the transverse direction of the support portal frame.

Optionally, the number of the steering devices is 2N, wherein N is a positive integer greater than or equal to 1, and two adjacent steering devices form a steering working group.

Optionally, the two steering devices on one steering working group are arranged in a high-low arrangement or an equal-height arrangement.

Optionally, two component cables penetrating through the two steering devices on one steering working group are anchored on two independent anchoring members after being inclined;

or, two component inhaul cables penetrating through the two steering devices on one steering working group are anchored on one anchoring member after being stayed.

Optionally, the support portal includes first stand, second stand and crossbeam, first stand with the second stand is followed the horizontal interval arrangement of support portal, the crossbeam connect in between the first stand with the second stand.

Optionally, two steering devices are disposed on the support portal, one steering device is mounted on the first upright, and the other steering device is mounted on the second upright.

Optionally, two steering devices are arranged on the support portal, one steering device is installed above the beam, and the other steering device is installed below the beam.

In addition, the utility model also provides a flexible suspension cable photovoltaic bracket system, which comprises a support portal, wherein the support portal is the support portal described in any scheme. Because the supporting portal has the technical effects, the flexible suspension cable photovoltaic bracket system with the supporting portal also has corresponding technical effects, and the description is omitted herein.

Drawings

In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

Fig. 1 is a schematic axial side structure of a rotatable steering device of a flexible suspension cable photovoltaic bracket unit corresponding to a support portal provided in an embodiment of the present utility model;

fig. 2 is a schematic structural diagram of a flexible suspension cable photovoltaic bracket unit provided by the embodiment of the utility model, in which a steering device is rotatably arranged corresponding to a support portal at a front view angle;

fig. 3 is a schematic axial side structure diagram of a steering device arranged in a fixed connection manner corresponding to a support portal of a flexible suspension photovoltaic bracket unit according to an embodiment of the present utility model;

fig. 4 is a schematic structural diagram of a flexible suspension cable photovoltaic bracket unit according to an embodiment of the present utility model, in which a steering device is disposed in a fixed connection manner with respect to a support portal at a front view angle;

fig. 5 is a schematic axial side structure diagram of a steering device rotatably arranged on a beam of a flexible suspension cable photovoltaic bracket unit corresponding to a supporting portal in an embodiment of the present utility model;

fig. 6 is a schematic structural diagram of a steering device rotatably disposed on a beam of a flexible suspension cable photovoltaic bracket unit corresponding to a support portal in the embodiment of the present utility model under a front view angle;

fig. 7 is a schematic axial side structure diagram of a flexible suspension cable photovoltaic bracket unit provided by the embodiment of the utility model, wherein a steering device is rotatably arranged on a beam corresponding to a supporting portal frame, and two component inhaul cables are anchored on one anchoring member;

fig. 8 is a schematic structural diagram of a flexible suspension cable photovoltaic bracket unit provided by the embodiment of the utility model, in which a steering device is rotatably arranged on a beam corresponding to a support portal, and two component guys are anchored on one anchoring member under a front view;

fig. 9 is a schematic view of a first structure of a steering device according to an embodiment of the present utility model;

fig. 10 is a schematic view of a second structure of a steering device according to an embodiment of the present utility model;

fig. 11 is a schematic view of a third structure of a steering device according to an embodiment of the present utility model;

fig. 12 is a schematic view of a fourth structure of a steering device according to an embodiment of the present utility model;

fig. 13 is a schematic view of a fifth structure of a steering device according to an embodiment of the present utility model;

fig. 14 is a schematic view of a sixth structure of a steering device according to an embodiment of the present utility model.

Wherein, in fig. 1-14:

the photovoltaic module comprises a module guy cable 1, a first upright post 2, a steering device 3, a photovoltaic module 4, a cross beam 5, a second upright post 6 and an anchoring member 7;

the cable guide device comprises a supporting framework 301, a cable guide part 302, an arc bearing surface 3021, an arc pressing cover 3022, a mounting base 303 and a rotating part 304.

Detailed Description

The utility model aims at providing a steering device, a supporting portal frame and a flexible suspension cable photovoltaic bracket system so as to solve the problems of complex structure and high cost of the flexible suspension cable photovoltaic bracket system.

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-14, the present utility model specifically provides a steering device 3 for cable-stayed steering of an assembly cable 1, comprising a steering base 30 and a cable guide 302, wherein the steering base 30 is used for being mounted on a support portal of the assembly cable 1; the cable guide 302 is provided on the steering base 30, and is used for passing the assembly cable 1 and being capable of guiding the assembly cable 1 to shift in the diagonal direction.

The steering device is applied to the inclined pull direction changing of the component guy cable 1, the steering base 30 is arranged on the supporting portal of the component guy cable 1, the component guy cable 1 passes through the guy cable guide part 302 of the steering device 3, the component guy cable 1 is guided to be converted in the inclined pull direction by the guy cable guide part 302, and then the inclined pull back component guy cable 1 is fixed to a preset fixing position, namely, the end side anchoring of the flexible suspension cable photovoltaic bracket system is completed.

It should be noted that, the steering device 3 is used for guiding the component cable 1 to change direction in a cable-stayed direction, and the specific cable-stayed direction may be a cable-stayed direction, for example, under a working condition that the end of the component cable 1 needs to be fixed to the foundation surface; the component cable 1 may be pulled up obliquely, for example, and fixed to a specific fixing frame, a building or a broken wall, etc., in practical application, the corresponding cable pulling direction may be selected according to the actual situation, which is not limited in detail herein.

In some specific embodiments, referring to fig. 9-14, the steering base 30 may specifically include a mounting base 303 and a supporting frame 301 disposed on the mounting base 303, and the cable guide portion 302 is disposed on the supporting frame 301. The steering base 30 mainly facilitates the installation of the steering device 3 on the supporting portal, and the supporting framework 301 mainly realizes the structural connection between the cable guiding portion 302 and the installation base 303, which may specifically be in the form of a reinforcing rib structure or a reinforcing rib pair-splicing combination as shown in fig. 9-14, so long as the structural connection and stable support can be realized, which is not limited in detail herein.

It should be noted that, the cable guiding portion 302 is configured to allow the component cable 1 to pass through and be capable of guiding the component cable 1 to change in a diagonal direction, and mainly provides a passage for the component cable 1 and plays a role in guiding the direction change transition, and specific structural forms thereof may be various, and the shape of the cross section of the passage may be limited, and may be circular, square, V-shaped, and any other desired shape, where the supporting frame 301 and the cable guiding portion 302 are not limited by a manufacturing process and a special shape, so long as the desired function thereof can be achieved.

For example, as shown in fig. 9 to 11, the cable guiding portion 302 may be an arc-shaped elbow pipe disposed on the supporting frame 301, specifically, the supporting frame 301 supports and fixes the arc-shaped elbow pipe, and as shown in fig. 9, the supporting frame 301 may be carried on an arc-shaped side of the arc-shaped elbow pipe, which has the advantages of convenient processing and is mainly suitable for top installation; the arc-shaped bent pipe as shown in fig. 10 can be arranged in the middle of the supporting framework 301 and forms a part of the supporting framework 301, and the structure has the advantages of being more stable and reliable and being capable of simultaneously adapting to top installation and bottom installation; or referring to fig. 11, the curved side of the curved elbow is directly fixed on the supporting side of the supporting framework 301, so that the structure is simpler, and the top installation and the bottom installation can be simultaneously adapted.

For another example, referring to fig. 12, the cable guiding portion 302 may be an arc-shaped guiding groove provided on the supporting frame 301, in which the component cable 1 is directly slidably provided, and the structure is also simpler, but the disadvantage is also that it is only suitable for top mounting.

For another example, referring to fig. 13 and 14, an arc bearing surface 3021 may be provided on the support frame 301, an arc pressing cover 3022 is fastened on the arc bearing surface 3021, and a cavity surrounded by the arc pressing cover 3022 and the arc bearing surface 3021 forms the cable guiding portion 302. This kind of structural style, not only processing is simple, and arc pressure cover 3022 can be directly fixed on arc bearing face 3021 through the welded mode, and when arc pressure cover 3022's intensity and connection steadiness are enough, this kind of structure both can be applicable to the top installation and also can be applicable to the bottom installation. It should be noted that, the specific structural form of the arc-shaped pressure cover 3022 may be a structural form with a rectangular cross section as shown in fig. 13, or a structural form with a circular cross section as shown in fig. 14, which is of course not limited to a rectangular shape and a circular shape, and may be designed into other shapes in the practical application process, which is not limited in detail herein.

In addition, the connection between the steering base 30 and the support mast may be a rotation connection structure or a fixed connection structure. In the actual application process, the configuration can be selected according to the actual requirements.

Specifically, referring to fig. 1 and 2, in combination with fig. 9 and 10, the steering device 3 is provided with a rotating portion 304, and the rotating portion 304 is configured to be rotatably mounted on the support mast. Through design rotation portion 304 on turning to device 3 for turning to device 3 can be according to the real-time adjustment direction of guiding of drawing to one side of subassembly cable 1, realizes the transition of the arbitrary angle of subassembly cable through the self-adaptation rotation of turning to device 3, can adapt to different oblique-drawing angle demands better. It should be noted that, the specific rotatable structure of the steering device 3 may be that the rotating portion 304 of the steering device 3 is hinged to the support portal, so that an angle can be freely changed around the hinge position, specifically, the rotating portion 304 may be designed into a structure of a hinge ear, which is hinged to the support portal through a hinge shaft, and an arrangement direction of the hinge shaft may be configured according to a requirement, for example, the hinge shaft of the rotating portion 304 may be arranged along a transverse direction of the support portal or may be arranged along a vertical direction of the support portal. It should be understood that the above manner of implementing the rotation of the rotation portion 304 by using the hinge connection is merely an example of the embodiment of the present utility model, and other rotatable structures may be designed in the practical application process, which is not limited in detail herein.

It should be noted that, the steering device 3 may be rotatably connected to the gantry body, and may also be disposed on the gantry body in a fixed connection manner, where the fixed connection manner has the advantage of being more stable and reliable in structure, and may be a specific fixed connection manner as shown in fig. 3 and fig. 4, or may be a welded connection manner, or other fixed connection manners commonly used by those skilled in the art, such as a fastening manner, etc., and is not limited in this regard.

With reference to fig. 1-8, in combination with fig. 9-14, the present utility model also provides a support mast for a support assembly cable 1, the support mast being provided with at least one steering device 3 as described in any of the above-mentioned versions.

It should be noted that, as will be understood by those skilled in the art, the flexible suspension cable photovoltaic support system is generally assembled from a plurality of flexible suspension cable photovoltaic support units, and the flexible suspension cable photovoltaic support units generally include a plurality of support shelves arranged at intervals, wherein the support shelves corresponding to the extreme sides of the flexible suspension cable photovoltaic support units are generally referred to as end shelves, and the support shelves corresponding to the non-extreme sides of the flexible suspension cable photovoltaic support units, for example, when the two end shelves are arranged at both end sides of the flexible suspension cable photovoltaic support units, the support shelves between the two end shelves are referred to as intermediate shelves, and the bottom of each of the two end shelves is provided with a mounting base for facilitating the fixed mounting of the shelves on the foundation ground where the shelves are located.

When the support portal frame is an end portal frame, the component guy cable 1 on the flexible suspension cable photovoltaic support frame unit is arranged on the end portal frame in a crossing way, the photovoltaic component 4 is arranged on the component guy cable 1, the end part of the component guy cable 1 passes through the corresponding steering device 3, the component guy cable 1 changes direction towards the inclined pulling direction under the steering guiding effect of the steering device 3, then the end part of the component guy cable 1 is directly connected to a preset anchoring position, anchoring can be realized through the anchoring member 7, compared with the anchoring structure of the traditional flexible suspension cable photovoltaic support frame unit, the anchoring can be realized by the end side of the component guy cable 1 through the inclined pulling of the component guy cable, a plurality of groups of inclined pull rods are not required to be additionally arranged to balance the prestress suspension cable, system components are greatly reduced, the structure is simplified, and the system cost is reduced; the number of the anchorage devices is reduced, the workload of high-altitude anchoring construction is reduced, the structure is simple, the steel consumption is saved, and the construction and installation are more convenient; in addition, the problem of complex stress of the anchoring area is also optimized.

In some embodiments, the support mast may be provided with a plurality of steering devices 3, and arranged in sequence in the transverse direction of the support mast. By designing a plurality of steering devices 3 on the support portal, the support portal can support, guide and change the direction of the plurality of component inhaul cables 1. It will be understood, of course, that in the practical application process, referring to fig. 1-8, two steering devices 3 may also be disposed on one support portal, and in the practical application process, the configuration may be selected according to specific disposition requirements and convenience of processing, which is not limited in more detail herein. The transverse direction of the support portal specifically refers to the width direction of the support portal, that is, the crossing direction of the component inhaul cable on the flexible suspension cable photovoltaic bracket unit.

In a further embodiment, the number of the steering devices 3 is preferably 2N, where N is a positive integer greater than or equal to 1, and two adjacent steering devices 3 form a steering working group. This is because, in general, two component cables 1 form a cable working group, two component cables 1 on a cable working group are used to mount a row or column of photovoltaic components 4, and two steering devices 3 of a steering working group can just provide cable-stayed steering of two component cables 1 of a cable working group. Therefore, by designing the steering device 3 to be 2N, the diagonal direction change of the N cable work groups can be satisfied.

In a further embodiment, in order to enable the photovoltaic module 4 mounted on the module cable 1 to better adapt to the local illumination environment, generally, the two steering devices 3 on one steering working group may be arranged in a high-low manner, that is, the two module cables 1 correspondingly passing through the steering working group are arranged in a high-low manner, and refer to fig. 1-8. It will be understood, of course, that in certain specific requirements, when the two component cables 1 of one cable working group need to be designed in a uniform height manner, the two steering devices 3 corresponding to the two component cables 1 of the cable working group need to be configured in a uniform height arrangement on the support mast. In the actual application process, the configuration can be performed according to actual requirements, and the configuration is not limited in detail herein.

In some specific embodiments, referring to fig. 1-6, two component cables 1 penetrating through two steering devices 3 on one steering working group can be respectively anchored on two independent anchoring members 7 after being inclined, and by designing the structure, the two component cables 1 of one cable working group can be independently installed, maintained and debugged, so that the installation and maintenance are more convenient; of course, as shown in fig. 7 and 8, the two component cables 1 penetrating through the two steering devices 3 on one steering working group are anchored on one anchoring member 7 after being inclined, and by designing the structure, the ground anchor member 7 can be saved, thereby being beneficial to saving the cost. In the actual application process, the configuration can be selected according to the actual requirements.

In some embodiments, referring to fig. 1-8, the support mast may include a first upright 2, a second upright 6, and a cross member 5, wherein the first upright 2 and the second upright 6 are spaced apart in a lateral direction of the support mast, and the cross member 5 is connected between the first upright 2 and the second upright 6. Through designing the support portal into this kind of structural style, not only simple structure processes the preparation convenience, but also the installation demand of adaptation turning to device 3 that can be better. For example, referring to fig. 1-4, one of the two steering devices 3 is mounted to the first upright 2 and the other is mounted to the second upright 6; alternatively, referring to fig. 5 to 8, one of the two steering devices 3 is mounted above the cross member 5, and the other is mounted below the cross member 5. In the practical application process, specific configuration can be performed according to practical requirements, and the specific limitation is not made here. It should be noted that the above-mentioned supporting portal adopts the structural forms of the first upright post 2, the second upright post 6 and the cross beam 5, which are merely examples of the embodiments of the present utility model, and other portal body structural forms may be adopted in the practical application process.

In addition, the utility model also provides a flexible suspension cable photovoltaic bracket system which is formed by assembling a plurality of flexible suspension cable photovoltaic bracket units, wherein the flexible suspension cable photovoltaic bracket units comprise support door frames, and the support door frames are the support door frames described in any scheme. Because the supporting portal has the technical effects, the flexible suspension cable photovoltaic bracket system and the unit with the supporting portal also have corresponding technical effects, and are not repeated herein.

It should be noted that, in the present specification, each embodiment is described in a progressive manner, and each embodiment is mainly described as different from other embodiments, and identical and similar parts between the embodiments are all enough to be referred to each other.

It should be appreciated that the use of "systems," "devices," "units," and/or "modules" in this disclosure is but one way to distinguish between different components, elements, parts, portions, or assemblies at different levels. However, if other words can achieve the same purpose, the word can be replaced by other expressions.

As used in the specification and in the claims, the terms "a," "an," "the," and/or "the" are not specific to a singular, but may include a plurality, unless the context clearly dictates otherwise. In general, the terms "comprises" and "comprising" merely indicate that the steps and elements are explicitly identified, and they do not constitute an exclusive list, as other steps or elements may be included in a method or apparatus. The inclusion of an element defined by the phrase "comprising one … …" does not exclude the presence of additional identical elements in a process, method, article, or apparatus that comprises an element.

Wherein, in the description of the embodiments of the present utility model, unless otherwise indicated, "/" means or, for example, a/B may represent a or B; "and/or" herein is merely an association relationship describing an association object, and means that three relationships may exist, for example, a and/or B may mean: a exists alone, A and B exist together, and B exists alone. In addition, in the description of the embodiments of the present utility model, "plurality" means two or more than two.

The terms "first," "second," and the like, if any, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature.

If a flowchart is used in the present utility model, the flowchart is used to describe the operations performed by a system according to an embodiment of the present utility model. It should be appreciated that the preceding or following operations are not necessarily performed in order precisely. Rather, the steps may be processed in reverse order or simultaneously. Also, other operations may be added to or removed from these processes.

The principles and embodiments of the present utility model have been described herein with reference to specific examples, the description of which is intended only to facilitate an understanding of the core concepts of the utility model. It should be noted that it will be apparent to those skilled in the art that various modifications and adaptations of the utility model can be made without departing from the principles of the utility model and these modifications and adaptations are intended to be within the scope of the utility model as defined in the following claims.

Claims (15)

1. A steering device for the cable-stayed steering of an assembly guy (1), characterized in that it comprises:

a steering base (30) for mounting to a support mast of the assembly cable (1);

and a stay cable guide part (302) which is arranged on the steering base (30) and is used for allowing the component stay cable (1) to pass through and guiding the component stay cable (1) to change in the oblique pulling direction.

2. The steering device according to claim 1, wherein the steering base (30) includes a mounting base (303) and a support frame (301) provided on the mounting base (303), and the cable guide portion (302) is provided on the support frame (301).

3. The steering device according to claim 2, wherein the cable guide (302) is an arc-shaped bent pipe provided on the support frame (301);

or, the guy cable guiding part (302) is an arc-shaped guiding groove arranged on the supporting framework (301);

or, be provided with arc bearing face (3021) on supporting skeleton (301), arc bearing face (3021) is gone up to detain and is equipped with arc pressure cover (3022), arc pressure cover (3022) with cavity that arc bearing face (3021) encloses forms cable guide portion (302).

4. Steering device according to claim 1, wherein the steering base (30) is provided with a turning part (304), the turning part (304) being intended to be rotatably mounted on the support mast.

5. Steering device according to claim 4, wherein the rotational connection between the swivel part (304) and the support mast is an articulated connection.

6. Steering device according to claim 5, wherein the hinge axis between the turning part (304) and the support mast is arranged in the lateral or vertical direction of the support mast.

7. A support mast for supporting the assembly cable (1), characterized in that the support mast is provided with at least one steering device (3) as claimed in any one of claims 1-6.

8. Support mast according to claim 7, characterized in that a plurality of said turning devices (3) are provided on the support mast and are arranged in succession in the transverse direction of the support mast.

9. The support mast as claimed in claim 8, characterized in that the number of said turning devices (3) is 2N, where N is a positive integer not less than 1, adjacent two of said turning devices (3) constituting a turning work group.

10. Support mast according to claim 9, characterized in that the two steering devices (3) on one of the steering groups are arranged in a high-low or equal-high arrangement.

11. Support mast according to claim 9, characterized in that the two module cables (1) threaded by the two steering devices (3) of one of the steering groups are anchored to two independent anchoring members (7) after being pulled in tension;

or, two component inhaul cables (1) penetrated by two steering devices (3) on one steering working group are anchored on one anchoring member (7) after being inclined.

12. The support mast according to claim 7, characterized in that it comprises a first upright (2), a second upright (6) and a cross-beam (5), said first upright (2) and said second upright (6) being arranged at intervals in the lateral direction of the support mast, said cross-beam (5) being connected between said first upright (2) and said second upright (6).

13. Support mast according to claim 12, characterized in that two of said steering devices (3) are provided on the support mast, one of said steering devices (3) being mounted to said first upright (2) and the other steering device (3) being mounted to said second upright (6).

14. Support mast according to claim 12, characterized in that the support mast is provided with two steering devices (3), one steering device (3) being mounted above the cross beam (5) and the other steering device (3) being mounted below the cross beam (5).

15. A flexible catenary photovoltaic support system comprising a support mast, wherein the support mast is a support mast according to any one of claims 7-14.